diff options
| author | Moonchild <moonchild@palemoon.org> | 2020-08-18 18:25:28 +0000 |
|---|---|---|
| committer | Moonchild <moonchild@palemoon.org> | 2020-08-18 18:25:28 +0000 |
| commit | 9074e69282caa4cceee26ca9ed42a83fd598265a (patch) | |
| tree | 9521958b9464324b7512c64b2f3a518c117b6d7e | |
| parent | 7ca7fe802e62eb1e361f54b165a102b042e8c1f3 (diff) | |
| download | uxp-9074e69282caa4cceee26ca9ed42a83fd598265a.tar.gz | |
[db] Update SQLite lib to 3.33.0
| -rw-r--r-- | db/sqlite3/src/sqlite3.c | 36397 | ||||
| -rw-r--r-- | db/sqlite3/src/sqlite3.h | 2097 |
2 files changed, 22133 insertions, 16361 deletions
diff --git a/db/sqlite3/src/sqlite3.c b/db/sqlite3/src/sqlite3.c index 8fd740b300..a82744931c 100644 --- a/db/sqlite3/src/sqlite3.c +++ b/db/sqlite3/src/sqlite3.c @@ -1,6 +1,6 @@ /****************************************************************************** ** This file is an amalgamation of many separate C source files from SQLite -** version 3.30.1. By combining all the individual C code files into this +** version 3.33.0. By combining all the individual C code files into this ** single large file, the entire code can be compiled as a single translation ** unit. This allows many compilers to do optimizations that would not be ** possible if the files were compiled separately. Performance improvements @@ -62,7 +62,7 @@ #define CTIMEOPT_VAL2(opt) CTIMEOPT_VAL2_(opt) /* -** An array of names of all compile-time options. This array should +** An array of names of all compile-time options. This array should ** be sorted A-Z. ** ** This array looks large, but in a typical installation actually uses @@ -71,8 +71,8 @@ */ static const char * const sqlite3azCompileOpt[] = { -/* -** BEGIN CODE GENERATED BY tool/mkctime.tcl +/* +** BEGIN CODE GENERATED BY tool/mkctime.tcl */ #if SQLITE_32BIT_ROWID "32BIT_ROWID", @@ -218,6 +218,9 @@ static const char * const sqlite3azCompileOpt[] = { #if SQLITE_ENABLE_BATCH_ATOMIC_WRITE "ENABLE_BATCH_ATOMIC_WRITE", #endif +#if SQLITE_ENABLE_BYTECODE_VTAB + "ENABLE_BYTECODE_VTAB", +#endif #if SQLITE_ENABLE_CEROD "ENABLE_CEROD=" CTIMEOPT_VAL(SQLITE_ENABLE_CEROD), #endif @@ -380,9 +383,6 @@ static const char * const sqlite3azCompileOpt[] = { #if SQLITE_FTS5_NO_WITHOUT_ROWID "FTS5_NO_WITHOUT_ROWID", #endif -#if SQLITE_HAS_CODEC - "HAS_CODEC", -#endif #if HAVE_ISNAN || SQLITE_HAVE_ISNAN "HAVE_ISNAN", #endif @@ -539,9 +539,6 @@ static const char * const sqlite3azCompileOpt[] = { #if SQLITE_OMIT_BLOB_LITERAL "OMIT_BLOB_LITERAL", #endif -#if SQLITE_OMIT_BTREECOUNT - "OMIT_BTREECOUNT", -#endif #if SQLITE_OMIT_CAST "OMIT_CAST", #endif @@ -777,8 +774,8 @@ static const char * const sqlite3azCompileOpt[] = { #if SQLITE_ZERO_MALLOC "ZERO_MALLOC", #endif -/* -** END CODE GENERATED BY tool/mkctime.tcl +/* +** END CODE GENERATED BY tool/mkctime.tcl */ }; @@ -828,10 +825,10 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ ** ** PREVENTS-HARMLESS-OVERREAD - This branch prevents a buffer overread ** that would be harmless and undetectable -** if it did occur. +** if it did occur. ** ** In all cases, the special comment must be enclosed in the usual -** slash-asterisk...asterisk-slash comment marks, with no spaces between the +** slash-asterisk...asterisk-slash comment marks, with no spaces between the ** asterisks and the comment text. */ @@ -1003,6 +1000,15 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){ #endif /* +** Macro to disable warnings about missing "break" at the end of a "case". +*/ +#if GCC_VERSION>=7000000 +# define deliberate_fall_through __attribute__((fallthrough)); +#else +# define deliberate_fall_through +#endif + +/* ** For MinGW, check to see if we can include the header file containing its ** version information, among other things. Normally, this internal MinGW ** header file would [only] be included automatically by other MinGW header @@ -1150,7 +1156,7 @@ extern "C" { ** be held constant and Z will be incremented or else Y will be incremented ** and Z will be reset to zero. ** -** Since [version 3.6.18] ([dateof:3.6.18]), +** Since [version 3.6.18] ([dateof:3.6.18]), ** SQLite source code has been stored in the ** <a href="http://www.fossil-scm.org/">Fossil configuration management ** system</a>. ^The SQLITE_SOURCE_ID macro evaluates to @@ -1165,9 +1171,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.30.1" -#define SQLITE_VERSION_NUMBER 3030001 -#define SQLITE_SOURCE_ID "2019-10-10 20:19:45 18db032d058f1436ce3dea84081f4ee5a0f2259ad97301d43c426bc7f3df1b0b" +#define SQLITE_VERSION "3.33.0" +#define SQLITE_VERSION_NUMBER 3033000 +#define SQLITE_SOURCE_ID "2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0ff3f" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -1193,8 +1199,8 @@ extern "C" { ** function is provided for use in DLLs since DLL users usually do not have ** direct access to string constants within the DLL. ^The ** sqlite3_libversion_number() function returns an integer equal to -** [SQLITE_VERSION_NUMBER]. ^(The sqlite3_sourceid() function returns -** a pointer to a string constant whose value is the same as the +** [SQLITE_VERSION_NUMBER]. ^(The sqlite3_sourceid() function returns +** a pointer to a string constant whose value is the same as the ** [SQLITE_SOURCE_ID] C preprocessor macro. Except if SQLite is built ** using an edited copy of [the amalgamation], then the last four characters ** of the hash might be different from [SQLITE_SOURCE_ID].)^ @@ -1209,20 +1215,20 @@ SQLITE_API int sqlite3_libversion_number(void); /* ** CAPI3REF: Run-Time Library Compilation Options Diagnostics ** -** ^The sqlite3_compileoption_used() function returns 0 or 1 -** indicating whether the specified option was defined at -** compile time. ^The SQLITE_ prefix may be omitted from the -** option name passed to sqlite3_compileoption_used(). +** ^The sqlite3_compileoption_used() function returns 0 or 1 +** indicating whether the specified option was defined at +** compile time. ^The SQLITE_ prefix may be omitted from the +** option name passed to sqlite3_compileoption_used(). ** ** ^The sqlite3_compileoption_get() function allows iterating ** over the list of options that were defined at compile time by ** returning the N-th compile time option string. ^If N is out of range, -** sqlite3_compileoption_get() returns a NULL pointer. ^The SQLITE_ -** prefix is omitted from any strings returned by +** sqlite3_compileoption_get() returns a NULL pointer. ^The SQLITE_ +** prefix is omitted from any strings returned by ** sqlite3_compileoption_get(). ** ** ^Support for the diagnostic functions sqlite3_compileoption_used() -** and sqlite3_compileoption_get() may be omitted by specifying the +** and sqlite3_compileoption_get() may be omitted by specifying the ** [SQLITE_OMIT_COMPILEOPTION_DIAGS] option at compile time. ** ** See also: SQL functions [sqlite_compileoption_used()] and @@ -1246,7 +1252,7 @@ SQLITE_API const char *sqlite3_compileoption_get(int N); ** SQLite can be compiled with or without mutexes. When ** the [SQLITE_THREADSAFE] C preprocessor macro is 1 or 2, mutexes ** are enabled and SQLite is threadsafe. When the -** [SQLITE_THREADSAFE] macro is 0, +** [SQLITE_THREADSAFE] macro is 0, ** the mutexes are omitted. Without the mutexes, it is not safe ** to use SQLite concurrently from more than one thread. ** @@ -1303,14 +1309,14 @@ typedef struct sqlite3 sqlite3; ** ** ^The sqlite3_int64 and sqlite_int64 types can store integer values ** between -9223372036854775808 and +9223372036854775807 inclusive. ^The -** sqlite3_uint64 and sqlite_uint64 types can store integer values +** sqlite3_uint64 and sqlite_uint64 types can store integer values ** between 0 and +18446744073709551615 inclusive. */ #ifdef SQLITE_INT64_TYPE typedef SQLITE_INT64_TYPE sqlite_int64; # ifdef SQLITE_UINT64_TYPE typedef SQLITE_UINT64_TYPE sqlite_uint64; -# else +# else typedef unsigned SQLITE_INT64_TYPE sqlite_uint64; # endif #elif defined(_MSC_VER) || defined(__BORLANDC__) @@ -1341,26 +1347,22 @@ typedef sqlite_uint64 sqlite3_uint64; ** the [sqlite3] object is successfully destroyed and all associated ** resources are deallocated. ** -** ^If the database connection is associated with unfinalized prepared -** statements or unfinished sqlite3_backup objects then sqlite3_close() -** will leave the database connection open and return [SQLITE_BUSY]. -** ^If sqlite3_close_v2() is called with unfinalized prepared statements -** and/or unfinished sqlite3_backups, then the database connection becomes -** an unusable "zombie" which will automatically be deallocated when the -** last prepared statement is finalized or the last sqlite3_backup is -** finished. The sqlite3_close_v2() interface is intended for use with -** host languages that are garbage collected, and where the order in which -** destructors are called is arbitrary. -** -** Applications should [sqlite3_finalize | finalize] all [prepared statements], -** [sqlite3_blob_close | close] all [BLOB handles], and +** Ideally, applications should [sqlite3_finalize | finalize] all +** [prepared statements], [sqlite3_blob_close | close] all [BLOB handles], and ** [sqlite3_backup_finish | finish] all [sqlite3_backup] objects associated -** with the [sqlite3] object prior to attempting to close the object. ^If -** sqlite3_close_v2() is called on a [database connection] that still has -** outstanding [prepared statements], [BLOB handles], and/or -** [sqlite3_backup] objects then it returns [SQLITE_OK] and the deallocation -** of resources is deferred until all [prepared statements], [BLOB handles], -** and [sqlite3_backup] objects are also destroyed. +** with the [sqlite3] object prior to attempting to close the object. +** ^If the database connection is associated with unfinalized prepared +** statements, BLOB handlers, and/or unfinished sqlite3_backup objects then +** sqlite3_close() will leave the database connection open and return +** [SQLITE_BUSY]. ^If sqlite3_close_v2() is called with unfinalized prepared +** statements, unclosed BLOB handlers, and/or unfinished sqlite3_backups, +** it returns [SQLITE_OK] regardless, but instead of deallocating the database +** connection immediately, it marks the database connection as an unusable +** "zombie" and makes arrangements to automatically deallocate the database +** connection after all prepared statements are finalized, all BLOB handles +** are closed, and all backups have finished. The sqlite3_close_v2() interface +** is intended for use with host languages that are garbage collected, and +** where the order in which destructors are called is arbitrary. ** ** ^If an [sqlite3] object is destroyed while a transaction is open, ** the transaction is automatically rolled back. @@ -1390,7 +1392,7 @@ typedef int (*sqlite3_callback)(void*,int,char**, char**); ** The sqlite3_exec() interface is a convenience wrapper around ** [sqlite3_prepare_v2()], [sqlite3_step()], and [sqlite3_finalize()], ** that allows an application to run multiple statements of SQL -** without having to use a lot of C code. +** without having to use a lot of C code. ** ** ^The sqlite3_exec() interface runs zero or more UTF-8 encoded, ** semicolon-separate SQL statements passed into its 2nd argument, @@ -1430,7 +1432,7 @@ typedef int (*sqlite3_callback)(void*,int,char**, char**); ** from [sqlite3_column_name()]. ** ** ^If the 2nd parameter to sqlite3_exec() is a NULL pointer, a pointer -** to an empty string, or a pointer that contains only whitespace and/or +** to an empty string, or a pointer that contains only whitespace and/or ** SQL comments, then no SQL statements are evaluated and the database ** is not changed. ** @@ -1549,17 +1551,21 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_BEGIN_ATOMIC (SQLITE_IOERR | (29<<8)) #define SQLITE_IOERR_COMMIT_ATOMIC (SQLITE_IOERR | (30<<8)) #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) +#define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) #define SQLITE_BUSY_SNAPSHOT (SQLITE_BUSY | (2<<8)) +#define SQLITE_BUSY_TIMEOUT (SQLITE_BUSY | (3<<8)) #define SQLITE_CANTOPEN_NOTEMPDIR (SQLITE_CANTOPEN | (1<<8)) #define SQLITE_CANTOPEN_ISDIR (SQLITE_CANTOPEN | (2<<8)) #define SQLITE_CANTOPEN_FULLPATH (SQLITE_CANTOPEN | (3<<8)) #define SQLITE_CANTOPEN_CONVPATH (SQLITE_CANTOPEN | (4<<8)) #define SQLITE_CANTOPEN_DIRTYWAL (SQLITE_CANTOPEN | (5<<8)) /* Not Used */ +#define SQLITE_CANTOPEN_SYMLINK (SQLITE_CANTOPEN | (6<<8)) #define SQLITE_CORRUPT_VTAB (SQLITE_CORRUPT | (1<<8)) #define SQLITE_CORRUPT_SEQUENCE (SQLITE_CORRUPT | (2<<8)) +#define SQLITE_CORRUPT_INDEX (SQLITE_CORRUPT | (3<<8)) #define SQLITE_READONLY_RECOVERY (SQLITE_READONLY | (1<<8)) #define SQLITE_READONLY_CANTLOCK (SQLITE_READONLY | (2<<8)) #define SQLITE_READONLY_ROLLBACK (SQLITE_READONLY | (3<<8)) @@ -1577,11 +1583,13 @@ SQLITE_API int sqlite3_exec( #define SQLITE_CONSTRAINT_UNIQUE (SQLITE_CONSTRAINT | (8<<8)) #define SQLITE_CONSTRAINT_VTAB (SQLITE_CONSTRAINT | (9<<8)) #define SQLITE_CONSTRAINT_ROWID (SQLITE_CONSTRAINT |(10<<8)) +#define SQLITE_CONSTRAINT_PINNED (SQLITE_CONSTRAINT |(11<<8)) #define SQLITE_NOTICE_RECOVER_WAL (SQLITE_NOTICE | (1<<8)) #define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8)) #define SQLITE_WARNING_AUTOINDEX (SQLITE_WARNING | (1<<8)) #define SQLITE_AUTH_USER (SQLITE_AUTH | (1<<8)) #define SQLITE_OK_LOAD_PERMANENTLY (SQLITE_OK | (1<<8)) +#define SQLITE_OK_SYMLINK (SQLITE_OK | (2<<8)) /* ** CAPI3REF: Flags For File Open Operations @@ -1604,14 +1612,18 @@ SQLITE_API int sqlite3_exec( #define SQLITE_OPEN_MAIN_JOURNAL 0x00000800 /* VFS only */ #define SQLITE_OPEN_TEMP_JOURNAL 0x00001000 /* VFS only */ #define SQLITE_OPEN_SUBJOURNAL 0x00002000 /* VFS only */ -#define SQLITE_OPEN_MASTER_JOURNAL 0x00004000 /* VFS only */ +#define SQLITE_OPEN_SUPER_JOURNAL 0x00004000 /* VFS only */ #define SQLITE_OPEN_NOMUTEX 0x00008000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_FULLMUTEX 0x00010000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_SHAREDCACHE 0x00020000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_PRIVATECACHE 0x00040000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_WAL 0x00080000 /* VFS only */ +#define SQLITE_OPEN_NOFOLLOW 0x01000000 /* Ok for sqlite3_open_v2() */ /* Reserved: 0x00F00000 */ +/* Legacy compatibility: */ +#define SQLITE_OPEN_MASTER_JOURNAL 0x00004000 /* VFS only */ + /* ** CAPI3REF: Device Characteristics @@ -1708,7 +1720,7 @@ SQLITE_API int sqlite3_exec( /* ** CAPI3REF: OS Interface Open File Handle ** -** An [sqlite3_file] object represents an open file in the +** An [sqlite3_file] object represents an open file in the ** [sqlite3_vfs | OS interface layer]. Individual OS interface ** implementations will ** want to subclass this object by appending additional fields @@ -1730,7 +1742,7 @@ struct sqlite3_file { ** This object defines the methods used to perform various operations ** against the open file represented by the [sqlite3_file] object. ** -** If the [sqlite3_vfs.xOpen] method sets the sqlite3_file.pMethods element +** If the [sqlite3_vfs.xOpen] method sets the sqlite3_file.pMethods element ** to a non-NULL pointer, then the sqlite3_io_methods.xClose method ** may be invoked even if the [sqlite3_vfs.xOpen] reported that it failed. The ** only way to prevent a call to xClose following a failed [sqlite3_vfs.xOpen] @@ -1880,7 +1892,7 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_CHUNK_SIZE]] ** The [SQLITE_FCNTL_CHUNK_SIZE] opcode is used to request that the VFS ** extends and truncates the database file in chunks of a size specified -** by the user. The fourth argument to [sqlite3_file_control()] should +** by the user. The fourth argument to [sqlite3_file_control()] should ** point to an integer (type int) containing the new chunk-size to use ** for the nominated database. Allocating database file space in large ** chunks (say 1MB at a time), may reduce file-system fragmentation and @@ -1903,24 +1915,24 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_SYNC]] ** The [SQLITE_FCNTL_SYNC] opcode is generated internally by SQLite and ** sent to the VFS immediately before the xSync method is invoked on a -** database file descriptor. Or, if the xSync method is not invoked -** because the user has configured SQLite with -** [PRAGMA synchronous | PRAGMA synchronous=OFF] it is invoked in place +** database file descriptor. Or, if the xSync method is not invoked +** because the user has configured SQLite with +** [PRAGMA synchronous | PRAGMA synchronous=OFF] it is invoked in place ** of the xSync method. In most cases, the pointer argument passed with ** this file-control is NULL. However, if the database file is being synced ** as part of a multi-database commit, the argument points to a nul-terminated -** string containing the transactions master-journal file name. VFSes that -** do not need this signal should silently ignore this opcode. Applications -** should not call [sqlite3_file_control()] with this opcode as doing so may -** disrupt the operation of the specialized VFSes that do require it. +** string containing the transactions super-journal file name. VFSes that +** do not need this signal should silently ignore this opcode. Applications +** should not call [sqlite3_file_control()] with this opcode as doing so may +** disrupt the operation of the specialized VFSes that do require it. ** ** <li>[[SQLITE_FCNTL_COMMIT_PHASETWO]] ** The [SQLITE_FCNTL_COMMIT_PHASETWO] opcode is generated internally by SQLite ** and sent to the VFS after a transaction has been committed immediately ** but before the database is unlocked. VFSes that do not need this signal ** should silently ignore this opcode. Applications should not call -** [sqlite3_file_control()] with this opcode as doing so may disrupt the -** operation of the specialized VFSes that do require it. +** [sqlite3_file_control()] with this opcode as doing so may disrupt the +** operation of the specialized VFSes that do require it. ** ** <li>[[SQLITE_FCNTL_WIN32_AV_RETRY]] ** ^The [SQLITE_FCNTL_WIN32_AV_RETRY] opcode is used to configure automatic @@ -1968,13 +1980,13 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_OVERWRITE]] ** ^The [SQLITE_FCNTL_OVERWRITE] opcode is invoked by SQLite after opening ** a write transaction to indicate that, unless it is rolled back for some -** reason, the entire database file will be overwritten by the current +** reason, the entire database file will be overwritten by the current ** transaction. This is used by VACUUM operations. ** ** <li>[[SQLITE_FCNTL_VFSNAME]] ** ^The [SQLITE_FCNTL_VFSNAME] opcode can be used to obtain the names of ** all [VFSes] in the VFS stack. The names are of all VFS shims and the -** final bottom-level VFS are written into memory obtained from +** final bottom-level VFS are written into memory obtained from ** [sqlite3_malloc()] and the result is stored in the char* variable ** that the fourth parameter of [sqlite3_file_control()] points to. ** The caller is responsible for freeing the memory when done. As with @@ -1993,7 +2005,7 @@ struct sqlite3_io_methods { ** upper-most shim only. ** ** <li>[[SQLITE_FCNTL_PRAGMA]] -** ^Whenever a [PRAGMA] statement is parsed, an [SQLITE_FCNTL_PRAGMA] +** ^Whenever a [PRAGMA] statement is parsed, an [SQLITE_FCNTL_PRAGMA] ** file control is sent to the open [sqlite3_file] object corresponding ** to the database file to which the pragma statement refers. ^The argument ** to the [SQLITE_FCNTL_PRAGMA] file control is an array of @@ -2004,7 +2016,7 @@ struct sqlite3_io_methods { ** of the char** argument point to a string obtained from [sqlite3_mprintf()] ** or the equivalent and that string will become the result of the pragma or ** the error message if the pragma fails. ^If the -** [SQLITE_FCNTL_PRAGMA] file control returns [SQLITE_NOTFOUND], then normal +** [SQLITE_FCNTL_PRAGMA] file control returns [SQLITE_NOTFOUND], then normal ** [PRAGMA] processing continues. ^If the [SQLITE_FCNTL_PRAGMA] ** file control returns [SQLITE_OK], then the parser assumes that the ** VFS has handled the PRAGMA itself and the parser generates a no-op @@ -2021,16 +2033,16 @@ struct sqlite3_io_methods { ** ^The [SQLITE_FCNTL_BUSYHANDLER] ** file-control may be invoked by SQLite on the database file handle ** shortly after it is opened in order to provide a custom VFS with access -** to the connections busy-handler callback. The argument is of type (void **) +** to the connection's busy-handler callback. The argument is of type (void**) ** - an array of two (void *) values. The first (void *) actually points -** to a function of type (int (*)(void *)). In order to invoke the connections +** to a function of type (int (*)(void *)). In order to invoke the connection's ** busy-handler, this function should be invoked with the second (void *) in ** the array as the only argument. If it returns non-zero, then the operation ** should be retried. If it returns zero, the custom VFS should abandon the ** current operation. ** ** <li>[[SQLITE_FCNTL_TEMPFILENAME]] -** ^Application can invoke the [SQLITE_FCNTL_TEMPFILENAME] file-control +** ^Applications can invoke the [SQLITE_FCNTL_TEMPFILENAME] file-control ** to have SQLite generate a ** temporary filename using the same algorithm that is followed to generate ** temporary filenames for TEMP tables and other internal uses. The @@ -2044,7 +2056,7 @@ struct sqlite3_io_methods { ** The argument is a pointer to a value of type sqlite3_int64 that ** is an advisory maximum number of bytes in the file to memory map. The ** pointer is overwritten with the old value. The limit is not changed if -** the value originally pointed to is negative, and so the current limit +** the value originally pointed to is negative, and so the current limit ** can be queried by passing in a pointer to a negative number. This ** file-control is used internally to implement [PRAGMA mmap_size]. ** @@ -2088,7 +2100,7 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_RBU]] ** The [SQLITE_FCNTL_RBU] opcode is implemented by the special VFS used by ** the RBU extension only. All other VFS should return SQLITE_NOTFOUND for -** this opcode. +** this opcode. ** ** <li>[[SQLITE_FCNTL_BEGIN_ATOMIC_WRITE]] ** If the [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE] opcode returns SQLITE_OK, then @@ -2105,7 +2117,7 @@ struct sqlite3_io_methods { ** ** <li>[[SQLITE_FCNTL_COMMIT_ATOMIC_WRITE]] ** The [SQLITE_FCNTL_COMMIT_ATOMIC_WRITE] opcode causes all write -** operations since the previous successful call to +** operations since the previous successful call to ** [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE] to be performed atomically. ** This file control returns [SQLITE_OK] if and only if the writes were ** all performed successfully and have been committed to persistent storage. @@ -2117,7 +2129,7 @@ struct sqlite3_io_methods { ** ** <li>[[SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE]] ** The [SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE] opcode causes all write -** operations since the previous successful call to +** operations since the previous successful call to ** [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE] to be rolled back. ** ^This file control takes the file descriptor out of batch write mode ** so that all subsequent write operations are independent. @@ -2125,10 +2137,12 @@ struct sqlite3_io_methods { ** a prior successful call to [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE]. ** ** <li>[[SQLITE_FCNTL_LOCK_TIMEOUT]] -** The [SQLITE_FCNTL_LOCK_TIMEOUT] opcode causes attempts to obtain -** a file lock using the xLock or xShmLock methods of the VFS to wait -** for up to M milliseconds before failing, where M is the single -** unsigned integer parameter. +** The [SQLITE_FCNTL_LOCK_TIMEOUT] opcode is used to configure a VFS +** to block for up to M milliseconds before failing when attempting to +** obtain a file lock using the xLock or xShmLock methods of the VFS. +** The parameter is a pointer to a 32-bit signed integer that contains +** the value that M is to be set to. Before returning, the 32-bit signed +** integer is overwritten with the previous value of M. ** ** <li>[[SQLITE_FCNTL_DATA_VERSION]] ** The [SQLITE_FCNTL_DATA_VERSION] opcode is used to detect changes to @@ -2143,12 +2157,23 @@ struct sqlite3_io_methods { ** not provide a mechanism to detect changes to MAIN only. Also, the ** [sqlite3_total_changes()] interface responds to internal changes only and ** omits changes made by other database connections. The -** [PRAGMA data_version] command provide a mechanism to detect changes to +** [PRAGMA data_version] command provides a mechanism to detect changes to ** a single attached database that occur due to other database connections, ** but omits changes implemented by the database connection on which it is ** called. This file control is the only mechanism to detect changes that ** happen either internally or externally and that are associated with ** a particular attached database. +** +** <li>[[SQLITE_FCNTL_CKPT_START]] +** The [SQLITE_FCNTL_CKPT_START] opcode is invoked from within a checkpoint +** in wal mode before the client starts to copy pages from the wal +** file to the database file. +** +** <li>[[SQLITE_FCNTL_CKPT_DONE]] +** The [SQLITE_FCNTL_CKPT_DONE] opcode is invoked from within a checkpoint +** in wal mode after the client has finished copying pages from the wal +** file to the database file, but before the *-shm file is updated to +** record the fact that the pages have been checkpointed. ** </ul> */ #define SQLITE_FCNTL_LOCKSTATE 1 @@ -2186,6 +2211,9 @@ struct sqlite3_io_methods { #define SQLITE_FCNTL_LOCK_TIMEOUT 34 #define SQLITE_FCNTL_DATA_VERSION 35 #define SQLITE_FCNTL_SIZE_LIMIT 36 +#define SQLITE_FCNTL_CKPT_DONE 37 +#define SQLITE_FCNTL_RESERVE_BYTES 38 +#define SQLITE_FCNTL_CKPT_START 39 /* deprecated names */ #define SQLITE_GET_LOCKPROXYFILE SQLITE_FCNTL_GET_LOCKPROXYFILE @@ -2231,10 +2259,10 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** to 3 with SQLite [version 3.7.6] on [dateof:3.7.6]. Additional fields ** may be appended to the sqlite3_vfs object and the iVersion value ** may increase again in future versions of SQLite. -** Note that the structure -** of the sqlite3_vfs object changes in the transition from +** Note that due to an oversight, the structure +** of the sqlite3_vfs object changed in the transition from ** SQLite [version 3.5.9] to [version 3.6.0] on [dateof:3.6.0] -** and yet the iVersion field was not modified. +** and yet the iVersion field was not increased. ** ** The szOsFile field is the size of the subclassed [sqlite3_file] ** structure used by this VFS. mxPathname is the maximum length of @@ -2269,14 +2297,14 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** the [sqlite3_file] can safely store a pointer to the ** filename if it needs to remember the filename for some reason. ** If the zFilename parameter to xOpen is a NULL pointer then xOpen -** must invent its own temporary name for the file. ^Whenever the +** must invent its own temporary name for the file. ^Whenever the ** xFilename parameter is NULL it will also be the case that the ** flags parameter will include [SQLITE_OPEN_DELETEONCLOSE]. ** ** The flags argument to xOpen() includes all bits set in ** the flags argument to [sqlite3_open_v2()]. Or if [sqlite3_open()] ** or [sqlite3_open16()] is used, then flags includes at least -** [SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]. +** [SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]. ** If xOpen() opens a file read-only then it sets *pOutFlags to ** include [SQLITE_OPEN_READONLY]. Other bits in *pOutFlags may be set. ** @@ -2290,7 +2318,7 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** <li> [SQLITE_OPEN_TEMP_JOURNAL] ** <li> [SQLITE_OPEN_TRANSIENT_DB] ** <li> [SQLITE_OPEN_SUBJOURNAL] -** <li> [SQLITE_OPEN_MASTER_JOURNAL] +** <li> [SQLITE_OPEN_SUPER_JOURNAL] ** <li> [SQLITE_OPEN_WAL] ** </ul>)^ ** @@ -2318,14 +2346,14 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** ^The [SQLITE_OPEN_EXCLUSIVE] flag is always used in conjunction ** with the [SQLITE_OPEN_CREATE] flag, which are both directly ** analogous to the O_EXCL and O_CREAT flags of the POSIX open() -** API. The SQLITE_OPEN_EXCLUSIVE flag, when paired with the +** API. The SQLITE_OPEN_EXCLUSIVE flag, when paired with the ** SQLITE_OPEN_CREATE, is used to indicate that file should always ** be created, and that it is an error if it already exists. -** It is <i>not</i> used to indicate the file should be opened +** It is <i>not</i> used to indicate the file should be opened ** for exclusive access. ** ** ^At least szOsFile bytes of memory are allocated by SQLite -** to hold the [sqlite3_file] structure passed as the third +** to hold the [sqlite3_file] structure passed as the third ** argument to xOpen. The xOpen method does not have to ** allocate the structure; it should just fill it in. Note that ** the xOpen method must set the sqlite3_file.pMethods to either @@ -2345,7 +2373,7 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** non-zero error code if there is an I/O error or if the name of ** the file given in the second argument is illegal. If SQLITE_OK ** is returned, then non-zero or zero is written into *pResOut to indicate -** whether or not the file is accessible. +** whether or not the file is accessible. ** ** ^SQLite will always allocate at least mxPathname+1 bytes for the ** output buffer xFullPathname. The exact size of the output buffer @@ -2365,16 +2393,16 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** method returns a Julian Day Number for the current date and time as ** a floating point value. ** ^The xCurrentTimeInt64() method returns, as an integer, the Julian -** Day Number multiplied by 86400000 (the number of milliseconds in -** a 24-hour day). +** Day Number multiplied by 86400000 (the number of milliseconds in +** a 24-hour day). ** ^SQLite will use the xCurrentTimeInt64() method to get the current -** date and time if that method is available (if iVersion is 2 or +** date and time if that method is available (if iVersion is 2 or ** greater and the function pointer is not NULL) and will fall back ** to xCurrentTime() if xCurrentTimeInt64() is unavailable. ** ** ^The xSetSystemCall(), xGetSystemCall(), and xNestSystemCall() interfaces ** are not used by the SQLite core. These optional interfaces are provided -** by some VFSes to facilitate testing of the VFS code. By overriding +** by some VFSes to facilitate testing of the VFS code. By overriding ** system calls with functions under its control, a test program can ** simulate faults and error conditions that would otherwise be difficult ** or impossible to induce. The set of system calls that can be overridden @@ -2421,7 +2449,7 @@ struct sqlite3_vfs { /* ** The methods above are in versions 1 through 3 of the sqlite_vfs object. ** New fields may be appended in future versions. The iVersion - ** value will increment whenever this happens. + ** value will increment whenever this happens. */ }; @@ -2465,7 +2493,7 @@ struct sqlite3_vfs { ** </ul> ** ** When unlocking, the same SHARED or EXCLUSIVE flag must be supplied as -** was given on the corresponding lock. +** was given on the corresponding lock. ** ** The xShmLock method can transition between unlocked and SHARED or ** between unlocked and EXCLUSIVE. It cannot transition between SHARED @@ -2610,7 +2638,7 @@ SQLITE_API int sqlite3_config(int, ...); ** [database connection] (specified in the first argument). ** ** The second argument to sqlite3_db_config(D,V,...) is the -** [SQLITE_DBCONFIG_LOOKASIDE | configuration verb] - an integer code +** [SQLITE_DBCONFIG_LOOKASIDE | configuration verb] - an integer code ** that indicates what aspect of the [database connection] is being configured. ** Subsequent arguments vary depending on the configuration verb. ** @@ -2628,7 +2656,7 @@ SQLITE_API int sqlite3_db_config(sqlite3*, int op, ...); ** This object is used in only one place in the SQLite interface. ** A pointer to an instance of this object is the argument to ** [sqlite3_config()] when the configuration option is -** [SQLITE_CONFIG_MALLOC] or [SQLITE_CONFIG_GETMALLOC]. +** [SQLITE_CONFIG_MALLOC] or [SQLITE_CONFIG_GETMALLOC]. ** By creating an instance of this object ** and passing it to [sqlite3_config]([SQLITE_CONFIG_MALLOC]) ** during configuration, an application can specify an alternative @@ -2658,17 +2686,17 @@ SQLITE_API int sqlite3_db_config(sqlite3*, int op, ...); ** allocators round up memory allocations at least to the next multiple ** of 8. Some allocators round up to a larger multiple or to a power of 2. ** Every memory allocation request coming in through [sqlite3_malloc()] -** or [sqlite3_realloc()] first calls xRoundup. If xRoundup returns 0, +** or [sqlite3_realloc()] first calls xRoundup. If xRoundup returns 0, ** that causes the corresponding memory allocation to fail. ** ** The xInit method initializes the memory allocator. For example, -** it might allocate any require mutexes or initialize internal data +** it might allocate any required mutexes or initialize internal data ** structures. The xShutdown method is invoked (indirectly) by ** [sqlite3_shutdown()] and should deallocate any resources acquired ** by xInit. The pAppData pointer is used as the only parameter to ** xInit and xShutdown. ** -** SQLite holds the [SQLITE_MUTEX_STATIC_MASTER] mutex when it invokes +** SQLite holds the [SQLITE_MUTEX_STATIC_MAIN] mutex when it invokes ** the xInit method, so the xInit method need not be threadsafe. The ** xShutdown method is only called from [sqlite3_shutdown()] so it does ** not need to be threadsafe either. For all other methods, SQLite @@ -2716,7 +2744,7 @@ struct sqlite3_mem_methods { ** by a single thread. ^If SQLite is compiled with ** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then ** it is not possible to change the [threading mode] from its default -** value of Single-thread and so [sqlite3_config()] will return +** value of Single-thread and so [sqlite3_config()] will return ** [SQLITE_ERROR] if called with the SQLITE_CONFIG_SINGLETHREAD ** configuration option.</dd> ** @@ -2751,7 +2779,7 @@ struct sqlite3_mem_methods { ** SQLITE_CONFIG_SERIALIZED configuration option.</dd> ** ** [[SQLITE_CONFIG_MALLOC]] <dt>SQLITE_CONFIG_MALLOC</dt> -** <dd> ^(The SQLITE_CONFIG_MALLOC option takes a single argument which is +** <dd> ^(The SQLITE_CONFIG_MALLOC option takes a single argument which is ** a pointer to an instance of the [sqlite3_mem_methods] structure. ** The argument specifies ** alternative low-level memory allocation routines to be used in place of @@ -2784,6 +2812,7 @@ struct sqlite3_mem_methods { ** memory allocation statistics. ^(When memory allocation statistics are ** disabled, the following SQLite interfaces become non-operational: ** <ul> +** <li> [sqlite3_hard_heap_limit64()] ** <li> [sqlite3_memory_used()] ** <li> [sqlite3_memory_highwater()] ** <li> [sqlite3_soft_heap_limit64()] @@ -2801,8 +2830,8 @@ struct sqlite3_mem_methods { ** [[SQLITE_CONFIG_PAGECACHE]] <dt>SQLITE_CONFIG_PAGECACHE</dt> ** <dd> ^The SQLITE_CONFIG_PAGECACHE option specifies a memory pool ** that SQLite can use for the database page cache with the default page -** cache implementation. -** This configuration option is a no-op if an application-define page +** cache implementation. +** This configuration option is a no-op if an application-defined page ** cache implementation is loaded using the [SQLITE_CONFIG_PCACHE2]. ** ^There are three arguments to SQLITE_CONFIG_PAGECACHE: A pointer to ** 8-byte aligned memory (pMem), the size of each page cache line (sz), @@ -2829,7 +2858,7 @@ struct sqlite3_mem_methods { ** additional cache line. </dd> ** ** [[SQLITE_CONFIG_HEAP]] <dt>SQLITE_CONFIG_HEAP</dt> -** <dd> ^The SQLITE_CONFIG_HEAP option specifies a static memory buffer +** <dd> ^The SQLITE_CONFIG_HEAP option specifies a static memory buffer ** that SQLite will use for all of its dynamic memory allocation needs ** beyond those provided for by [SQLITE_CONFIG_PAGECACHE]. ** ^The SQLITE_CONFIG_HEAP option is only available if SQLite is compiled @@ -2884,7 +2913,7 @@ struct sqlite3_mem_methods { ** configuration on individual connections.)^ </dd> ** ** [[SQLITE_CONFIG_PCACHE2]] <dt>SQLITE_CONFIG_PCACHE2</dt> -** <dd> ^(The SQLITE_CONFIG_PCACHE2 option takes a single argument which is +** <dd> ^(The SQLITE_CONFIG_PCACHE2 option takes a single argument which is ** a pointer to an [sqlite3_pcache_methods2] object. This object specifies ** the interface to a custom page cache implementation.)^ ** ^SQLite makes a copy of the [sqlite3_pcache_methods2] object.</dd> @@ -2898,7 +2927,7 @@ struct sqlite3_mem_methods { ** <dd> The SQLITE_CONFIG_LOG option is used to configure the SQLite ** global [error log]. ** (^The SQLITE_CONFIG_LOG option takes two arguments: a pointer to a -** function with a call signature of void(*)(void*,int,const char*), +** function with a call signature of void(*)(void*,int,const char*), ** and a pointer to void. ^If the function pointer is not NULL, it is ** invoked by [sqlite3_log()] to process each logging event. ^If the ** function pointer is NULL, the [sqlite3_log()] interface becomes a no-op. @@ -3007,7 +3036,7 @@ struct sqlite3_mem_methods { ** [[SQLITE_CONFIG_STMTJRNL_SPILL]] ** <dt>SQLITE_CONFIG_STMTJRNL_SPILL ** <dd>^The SQLITE_CONFIG_STMTJRNL_SPILL option takes a single parameter which -** becomes the [statement journal] spill-to-disk threshold. +** becomes the [statement journal] spill-to-disk threshold. ** [Statement journals] are held in memory until their size (in bytes) ** exceeds this threshold, at which point they are written to disk. ** Or if the threshold is -1, statement journals are always held @@ -3029,7 +3058,7 @@ struct sqlite3_mem_methods { ** than the configured sorter-reference size threshold - then a reference ** is stored in each sorted record and the required column values loaded ** from the database as records are returned in sorted order. The default -** value for this option is to never use this optimization. Specifying a +** value for this option is to never use this optimization. Specifying a ** negative value for this option restores the default behaviour. ** This option is only available if SQLite is compiled with the ** [SQLITE_ENABLE_SORTER_REFERENCES] compile-time option. @@ -3057,7 +3086,7 @@ struct sqlite3_mem_methods { #define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ #define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ #define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ -/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ +/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ #define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ #define SQLITE_CONFIG_PCACHE 14 /* no-op */ #define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ @@ -3092,7 +3121,7 @@ struct sqlite3_mem_methods { ** <dl> ** [[SQLITE_DBCONFIG_LOOKASIDE]] ** <dt>SQLITE_DBCONFIG_LOOKASIDE</dt> -** <dd> ^This option takes three additional arguments that determine the +** <dd> ^This option takes three additional arguments that determine the ** [lookaside memory allocator] configuration for the [database connection]. ** ^The first argument (the third parameter to [sqlite3_db_config()] is a ** pointer to a memory buffer to use for lookaside memory. @@ -3110,7 +3139,7 @@ struct sqlite3_mem_methods { ** when the "current value" returned by ** [sqlite3_db_status](D,[SQLITE_CONFIG_LOOKASIDE],...) is zero. ** Any attempt to change the lookaside memory configuration when lookaside -** memory is in use leaves the configuration unchanged and returns +** memory is in use leaves the configuration unchanged and returns ** [SQLITE_BUSY].)^</dd> ** ** [[SQLITE_DBCONFIG_ENABLE_FKEY]] @@ -3187,11 +3216,11 @@ struct sqlite3_mem_methods { ** until after the database connection closes. ** </dd> ** -** [[SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE]] +** [[SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE]] ** <dt>SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE</dt> -** <dd> Usually, when a database in wal mode is closed or detached from a -** database handle, SQLite checks if this will mean that there are now no -** connections at all to the database. If so, it performs a checkpoint +** <dd> Usually, when a database in wal mode is closed or detached from a +** database handle, SQLite checks if this will mean that there are now no +** connections at all to the database. If so, it performs a checkpoint ** operation before closing the connection. This option may be used to ** override this behaviour. The first parameter passed to this operation ** is an integer - positive to disable checkpoints-on-close, or zero (the @@ -3210,7 +3239,7 @@ struct sqlite3_mem_methods { ** slower. But the QPSG has the advantage of more predictable behavior. With ** the QPSG active, SQLite will always use the same query plan in the field as ** was used during testing in the lab. -** The first argument to this setting is an integer which is 0 to disable +** The first argument to this setting is an integer which is 0 to disable ** the QPSG, positive to enable QPSG, or negative to leave the setting ** unchanged. The second parameter is a pointer to an integer into which ** is written 0 or 1 to indicate whether the QPSG is disabled or enabled @@ -3218,15 +3247,15 @@ struct sqlite3_mem_methods { ** </dd> ** ** [[SQLITE_DBCONFIG_TRIGGER_EQP]] <dt>SQLITE_DBCONFIG_TRIGGER_EQP</dt> -** <dd> By default, the output of EXPLAIN QUERY PLAN commands does not +** <dd> By default, the output of EXPLAIN QUERY PLAN commands does not ** include output for any operations performed by trigger programs. This ** option is used to set or clear (the default) a flag that governs this ** behavior. The first parameter passed to this operation is an integer - ** positive to enable output for trigger programs, or zero to disable it, ** or negative to leave the setting unchanged. -** The second parameter is a pointer to an integer into which is written -** 0 or 1 to indicate whether output-for-triggers has been disabled - 0 if -** it is not disabled, 1 if it is. +** The second parameter is a pointer to an integer into which is written +** 0 or 1 to indicate whether output-for-triggers has been disabled - 0 if +** it is not disabled, 1 if it is. ** </dd> ** ** [[SQLITE_DBCONFIG_RESET_DATABASE]] <dt>SQLITE_DBCONFIG_RESET_DATABASE</dt> @@ -3240,7 +3269,7 @@ struct sqlite3_mem_methods { ** database, or calling sqlite3_table_column_metadata(), ignoring any ** errors. This step is only necessary if the application desires to keep ** the database in WAL mode after the reset if it was in WAL mode before -** the reset. +** the reset. ** <li> sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 1, 0); ** <li> [sqlite3_exec](db, "[VACUUM]", 0, 0, 0); ** <li> sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0); @@ -3252,7 +3281,7 @@ struct sqlite3_mem_methods { ** [[SQLITE_DBCONFIG_DEFENSIVE]] <dt>SQLITE_DBCONFIG_DEFENSIVE</dt> ** <dd>The SQLITE_DBCONFIG_DEFENSIVE option activates or deactivates the ** "defensive" flag for a database connection. When the defensive -** flag is enabled, language features that allow ordinary SQL to +** flag is enabled, language features that allow ordinary SQL to ** deliberately corrupt the database file are disabled. The disabled ** features include but are not limited to the following: ** <ul> @@ -3267,7 +3296,7 @@ struct sqlite3_mem_methods { ** <dd>The SQLITE_DBCONFIG_WRITABLE_SCHEMA option activates or deactivates the ** "writable_schema" flag. This has the same effect and is logically equivalent ** to setting [PRAGMA writable_schema=ON] or [PRAGMA writable_schema=OFF]. -** The first argument to this setting is an integer which is 0 to disable +** The first argument to this setting is an integer which is 0 to disable ** the writable_schema, positive to enable writable_schema, or negative to ** leave the setting unchanged. The second parameter is a pointer to an ** integer into which is written 0 or 1 to indicate whether the writable_schema @@ -3287,7 +3316,7 @@ struct sqlite3_mem_methods { ** [[SQLITE_DBCONFIG_DQS_DML]] ** <dt>SQLITE_DBCONFIG_DQS_DML</td> ** <dd>The SQLITE_DBCONFIG_DQS_DML option activates or deactivates -** the legacy [double-quoted string literal] misfeature for DML statement +** the legacy [double-quoted string literal] misfeature for DML statements ** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The ** default value of this setting is determined by the [-DSQLITE_DQS] ** compile-time option. @@ -3301,6 +3330,48 @@ struct sqlite3_mem_methods { ** default value of this setting is determined by the [-DSQLITE_DQS] ** compile-time option. ** </dd> +** +** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]] +** <dt>SQLITE_DBCONFIG_TRUSTED_SCHEMA</td> +** <dd>The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to +** assume that database schemas are untainted by malicious content. +** When the SQLITE_DBCONFIG_TRUSTED_SCHEMA option is disabled, SQLite +** takes additional defensive steps to protect the application from harm +** including: +** <ul> +** <li> Prohibit the use of SQL functions inside triggers, views, +** CHECK constraints, DEFAULT clauses, expression indexes, +** partial indexes, or generated columns +** unless those functions are tagged with [SQLITE_INNOCUOUS]. +** <li> Prohibit the use of virtual tables inside of triggers or views +** unless those virtual tables are tagged with [SQLITE_VTAB_INNOCUOUS]. +** </ul> +** This setting defaults to "on" for legacy compatibility, however +** all applications are advised to turn it off if possible. This setting +** can also be controlled using the [PRAGMA trusted_schema] statement. +** </dd> +** +** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]] +** <dt>SQLITE_DBCONFIG_LEGACY_FILE_FORMAT</td> +** <dd>The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates +** the legacy file format flag. When activated, this flag causes all newly +** created database file to have a schema format version number (the 4-byte +** integer found at offset 44 into the database header) of 1. This in turn +** means that the resulting database file will be readable and writable by +** any SQLite version back to 3.0.0 ([dateof:3.0.0]). Without this setting, +** newly created databases are generally not understandable by SQLite versions +** prior to 3.3.0 ([dateof:3.3.0]). As these words are written, there +** is now scarcely any need to generated database files that are compatible +** all the way back to version 3.0.0, and so this setting is of little +** practical use, but is provided so that SQLite can continue to claim the +** ability to generate new database files that are compatible with version +** 3.0.0. +** <p>Note that when the SQLITE_DBCONFIG_LEGACY_FILE_FORMAT setting is on, +** the [VACUUM] command will fail with an obscure error when attempting to +** process a table with generated columns and a descending index. This is +** not considered a bug since SQLite versions 3.3.0 and earlier do not support +** either generated columns or decending indexes. +** </dd> ** </dl> */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ @@ -3319,7 +3390,9 @@ struct sqlite3_mem_methods { #define SQLITE_DBCONFIG_DQS_DML 1013 /* int int* */ #define SQLITE_DBCONFIG_DQS_DDL 1014 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_VIEW 1015 /* int int* */ -#define SQLITE_DBCONFIG_MAX 1015 /* Largest DBCONFIG */ +#define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT 1016 /* int int* */ +#define SQLITE_DBCONFIG_TRUSTED_SCHEMA 1017 /* int int* */ +#define SQLITE_DBCONFIG_MAX 1017 /* Largest DBCONFIG */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes @@ -3346,8 +3419,8 @@ SQLITE_API int sqlite3_extended_result_codes(sqlite3*, int onoff); ** ^The sqlite3_last_insert_rowid(D) interface usually returns the [rowid] of ** the most recent successful [INSERT] into a rowid table or [virtual table] ** on database connection D. ^Inserts into [WITHOUT ROWID] tables are not -** recorded. ^If no successful [INSERT]s into rowid tables have ever occurred -** on the database connection D, then sqlite3_last_insert_rowid(D) returns +** recorded. ^If no successful [INSERT]s into rowid tables have ever occurred +** on the database connection D, then sqlite3_last_insert_rowid(D) returns ** zero. ** ** As well as being set automatically as rows are inserted into database @@ -3357,15 +3430,15 @@ SQLITE_API int sqlite3_extended_result_codes(sqlite3*, int onoff); ** Some virtual table implementations may INSERT rows into rowid tables as ** part of committing a transaction (e.g. to flush data accumulated in memory ** to disk). In this case subsequent calls to this function return the rowid -** associated with these internal INSERT operations, which leads to +** associated with these internal INSERT operations, which leads to ** unintuitive results. Virtual table implementations that do write to rowid -** tables in this way can avoid this problem by restoring the original -** rowid value using [sqlite3_set_last_insert_rowid()] before returning +** tables in this way can avoid this problem by restoring the original +** rowid value using [sqlite3_set_last_insert_rowid()] before returning ** control to the user. ** -** ^(If an [INSERT] occurs within a trigger then this routine will -** return the [rowid] of the inserted row as long as the trigger is -** running. Once the trigger program ends, the value returned +** ^(If an [INSERT] occurs within a trigger then this routine will +** return the [rowid] of the inserted row as long as the trigger is +** running. Once the trigger program ends, the value returned ** by this routine reverts to what it was before the trigger was fired.)^ ** ** ^An [INSERT] that fails due to a constraint violation is not a @@ -3398,7 +3471,7 @@ SQLITE_API sqlite3_int64 sqlite3_last_insert_rowid(sqlite3*); ** METHOD: sqlite3 ** ** The sqlite3_set_last_insert_rowid(D, R) method allows the application to -** set the value returned by calling sqlite3_last_insert_rowid(D) to R +** set the value returned by calling sqlite3_last_insert_rowid(D) to R ** without inserting a row into the database. */ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); @@ -3414,37 +3487,37 @@ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); ** returned by this function. ** ** ^Only changes made directly by the INSERT, UPDATE or DELETE statement are -** considered - auxiliary changes caused by [CREATE TRIGGER | triggers], +** considered - auxiliary changes caused by [CREATE TRIGGER | triggers], ** [foreign key actions] or [REPLACE] constraint resolution are not counted. -** -** Changes to a view that are intercepted by -** [INSTEAD OF trigger | INSTEAD OF triggers] are not counted. ^The value -** returned by sqlite3_changes() immediately after an INSERT, UPDATE or -** DELETE statement run on a view is always zero. Only changes made to real +** +** Changes to a view that are intercepted by +** [INSTEAD OF trigger | INSTEAD OF triggers] are not counted. ^The value +** returned by sqlite3_changes() immediately after an INSERT, UPDATE or +** DELETE statement run on a view is always zero. Only changes made to real ** tables are counted. ** ** Things are more complicated if the sqlite3_changes() function is ** executed while a trigger program is running. This may happen if the ** program uses the [changes() SQL function], or if some other callback ** function invokes sqlite3_changes() directly. Essentially: -** +** ** <ul> ** <li> ^(Before entering a trigger program the value returned by -** sqlite3_changes() function is saved. After the trigger program +** sqlite3_changes() function is saved. After the trigger program ** has finished, the original value is restored.)^ -** -** <li> ^(Within a trigger program each INSERT, UPDATE and DELETE -** statement sets the value returned by sqlite3_changes() -** upon completion as normal. Of course, this value will not include -** any changes performed by sub-triggers, as the sqlite3_changes() +** +** <li> ^(Within a trigger program each INSERT, UPDATE and DELETE +** statement sets the value returned by sqlite3_changes() +** upon completion as normal. Of course, this value will not include +** any changes performed by sub-triggers, as the sqlite3_changes() ** value will be saved and restored after each sub-trigger has run.)^ ** </ul> -** +** ** ^This means that if the changes() SQL function (or similar) is used -** by the first INSERT, UPDATE or DELETE statement within a trigger, it +** by the first INSERT, UPDATE or DELETE statement within a trigger, it ** returns the value as set when the calling statement began executing. -** ^If it is used by the second or subsequent such statement within a trigger -** program, the value returned reflects the number of rows modified by the +** ^If it is used by the second or subsequent such statement within a trigger +** program, the value returned reflects the number of rows modified by the ** previous INSERT, UPDATE or DELETE statement within the same trigger. ** ** If a separate thread makes changes on the same database connection @@ -3470,10 +3543,10 @@ SQLITE_API int sqlite3_changes(sqlite3*); ** since the database connection was opened, including those executed as ** part of trigger programs. ^Executing any other type of SQL statement ** does not affect the value returned by sqlite3_total_changes(). -** +** ** ^Changes made as part of [foreign key actions] are included in the ** count, but those made as part of REPLACE constraint resolution are -** not. ^Changes to a view that are intercepted by INSTEAD OF triggers +** not. ^Changes to a view that are intercepted by INSTEAD OF triggers ** are not counted. ** ** The [sqlite3_total_changes(D)] interface only reports the number @@ -3482,7 +3555,7 @@ SQLITE_API int sqlite3_changes(sqlite3*); ** To detect changes against a database file from other database ** connections use the [PRAGMA data_version] command or the ** [SQLITE_FCNTL_DATA_VERSION] [file control]. -** +** ** If a separate thread makes changes on the same database connection ** while [sqlite3_total_changes()] is running then the value ** returned is unpredictable and not meaningful. @@ -3524,8 +3597,8 @@ SQLITE_API int sqlite3_total_changes(sqlite3*); ** ** ^The sqlite3_interrupt(D) call is in effect until all currently running ** SQL statements on [database connection] D complete. ^Any new SQL statements -** that are started after the sqlite3_interrupt() call and before the -** running statements reaches zero are interrupted as if they had been +** that are started after the sqlite3_interrupt() call and before the +** running statement count reaches zero are interrupted as if they had been ** running prior to the sqlite3_interrupt() call. ^New SQL statements ** that are started after the running statement count reaches zero are ** not effected by the sqlite3_interrupt(). @@ -3556,7 +3629,7 @@ SQLITE_API void sqlite3_interrupt(sqlite3*); ** ^These routines do not parse the SQL statements thus ** will not detect syntactically incorrect SQL. ** -** ^(If SQLite has not been initialized using [sqlite3_initialize()] prior +** ^(If SQLite has not been initialized using [sqlite3_initialize()] prior ** to invoking sqlite3_complete16() then sqlite3_initialize() is invoked ** automatically by sqlite3_complete16(). If that initialization fails, ** then the return value from sqlite3_complete16() will be non-zero @@ -3601,7 +3674,7 @@ SQLITE_API int sqlite3_complete16(const void *sql); ** The presence of a busy handler does not guarantee that it will be invoked ** when there is lock contention. ^If SQLite determines that invoking the busy ** handler could result in a deadlock, it will go ahead and return [SQLITE_BUSY] -** to the application instead of invoking the +** to the application instead of invoking the ** busy handler. ** Consider a scenario where one process is holding a read lock that ** it is trying to promote to a reserved lock and @@ -3626,7 +3699,7 @@ SQLITE_API int sqlite3_complete16(const void *sql); ** database connection that invoked the busy handler. In other words, ** the busy handler is not reentrant. Any such actions ** result in undefined behavior. -** +** ** A busy handler must not close the database connection ** or [prepared statement] that invoked the busy handler. */ @@ -3693,9 +3766,9 @@ SQLITE_API int sqlite3_busy_timeout(sqlite3*, int ms); ** Cindy | 21 ** </pre></blockquote> ** -** There are two column (M==2) and three rows (N==3). Thus the +** There are two columns (M==2) and three rows (N==3). Thus the ** result table has 8 entries. Suppose the result table is stored -** in an array names azResult. Then azResult holds this content: +** in an array named azResult. Then azResult holds this content: ** ** <blockquote><pre> ** azResult[0] = "Name"; @@ -3744,7 +3817,7 @@ SQLITE_API void sqlite3_free_table(char **result); ** These routines are work-alikes of the "printf()" family of functions ** from the standard C library. ** These routines understand most of the common formatting options from -** the standard library printf() +** the standard library printf() ** plus some additional non-standard formats ([%q], [%Q], [%w], and [%z]). ** See the [built-in printf()] documentation for details. ** @@ -3788,7 +3861,7 @@ SQLITE_API char *sqlite3_vsnprintf(int,char*,const char*, va_list); ** ** The SQLite core uses these three routines for all of its own ** internal memory allocation needs. "Core" in the previous sentence -** does not include operating-system specific VFS implementation. The +** does not include operating-system specific [VFS] implementation. The ** Windows VFS uses native malloc() and free() for some operations. ** ** ^The sqlite3_malloc() routine returns a pointer to a block @@ -3849,19 +3922,6 @@ SQLITE_API char *sqlite3_vsnprintf(int,char*,const char*, va_list); ** 4 byte boundary if the [SQLITE_4_BYTE_ALIGNED_MALLOC] compile-time ** option is used. ** -** In SQLite version 3.5.0 and 3.5.1, it was possible to define -** the SQLITE_OMIT_MEMORY_ALLOCATION which would cause the built-in -** implementation of these routines to be omitted. That capability -** is no longer provided. Only built-in memory allocators can be used. -** -** Prior to SQLite version 3.7.10, the Windows OS interface layer called -** the system malloc() and free() directly when converting -** filenames between the UTF-8 encoding used by SQLite -** and whatever filename encoding is used by the particular Windows -** installation. Memory allocation errors were detected, but -** they were reported back as [SQLITE_CANTOPEN] or -** [SQLITE_IOERR] rather than [SQLITE_NOMEM]. -** ** The pointer arguments to [sqlite3_free()] and [sqlite3_realloc()] ** must be either NULL or else pointers obtained from a prior ** invocation of [sqlite3_malloc()] or [sqlite3_realloc()] that have @@ -3910,7 +3970,7 @@ SQLITE_API sqlite3_int64 sqlite3_memory_highwater(int resetFlag); ** SQLite contains a high-quality pseudo-random number generator (PRNG) used to ** select random [ROWID | ROWIDs] when inserting new records into a table that ** already uses the largest possible [ROWID]. The PRNG is also used for -** the build-in random() and randomblob() SQL functions. This interface allows +** the built-in random() and randomblob() SQL functions. This interface allows ** applications to access the same PRNG for other purposes. ** ** ^A call to this routine stores N bytes of randomness into buffer P. @@ -3953,7 +4013,7 @@ SQLITE_API void sqlite3_randomness(int N, void *P); ** requested is ok. ^When the callback returns [SQLITE_DENY], the ** [sqlite3_prepare_v2()] or equivalent call that triggered the ** authorizer will fail with an error message explaining that -** access is denied. +** access is denied. ** ** ^The first parameter to the authorizer callback is a copy of the third ** parameter to the sqlite3_set_authorizer() interface. ^The second parameter @@ -4006,7 +4066,7 @@ SQLITE_API void sqlite3_randomness(int N, void *P); ** database connections for the meaning of "modify" in this paragraph. ** ** ^When [sqlite3_prepare_v2()] is used to prepare a statement, the -** statement might be re-prepared during [sqlite3_step()] due to a +** statement might be re-prepared during [sqlite3_step()] due to a ** schema change. Hence, the application should ensure that the ** correct authorizer callback remains in place during the [sqlite3_step()]. ** @@ -4154,7 +4214,7 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** execution of the prepared statement, such as at the start of each ** trigger subprogram. ^The P argument is a pointer to the ** [prepared statement]. ^The X argument is a pointer to a string which -** is the unexpanded SQL text of the prepared statement or an SQL comment +** is the unexpanded SQL text of the prepared statement or an SQL comment ** that indicates the invocation of a trigger. ^The callback can compute ** the same text that would have been returned by the legacy [sqlite3_trace()] ** interface by using the X argument when X begins with "--" and invoking @@ -4170,7 +4230,7 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** ** [[SQLITE_TRACE_ROW]] <dt>SQLITE_TRACE_ROW</dt> ** <dd>^An SQLITE_TRACE_ROW callback is invoked whenever a prepared -** statement generates a single row of result. +** statement generates a single row of result. ** ^The P argument is a pointer to the [prepared statement] and the ** X argument is unused. ** @@ -4197,10 +4257,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides +** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides ** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). ** -** ^The X callback is invoked whenever any of the events identified by +** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently ** ignored, though this may change in future releases. Callback ** implementations should return zero to ensure future compatibility. @@ -4232,8 +4292,8 @@ SQLITE_API int sqlite3_trace_v2( ** database connection D. An example use for this ** interface is to keep a GUI updated during a large query. ** -** ^The parameter P is passed through as the only parameter to the -** callback function X. ^The parameter N is the approximate number of +** ^The parameter P is passed through as the only parameter to the +** callback function X. ^The parameter N is the approximate number of ** [virtual machine instructions] that are evaluated between successive ** invocations of the callback X. ^If N is less than one then the progress ** handler is disabled. @@ -4260,7 +4320,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** CAPI3REF: Opening A New Database Connection ** CONSTRUCTOR: sqlite3 ** -** ^These routines open an SQLite database file as specified by the +** ^These routines open an SQLite database file as specified by the ** filename argument. ^The filename argument is interpreted as UTF-8 for ** sqlite3_open() and sqlite3_open_v2() and as UTF-16 in the native byte ** order for sqlite3_open16(). ^(A [database connection] handle is usually @@ -4284,10 +4344,8 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** The sqlite3_open_v2() interface works like sqlite3_open() ** except that it accepts two additional parameters for additional control ** over the new database connection. ^(The flags parameter to -** sqlite3_open_v2() can take one of -** the following three values, optionally combined with the -** [SQLITE_OPEN_NOMUTEX], [SQLITE_OPEN_FULLMUTEX], [SQLITE_OPEN_SHAREDCACHE], -** [SQLITE_OPEN_PRIVATECACHE], and/or [SQLITE_OPEN_URI] flags:)^ +** sqlite3_open_v2() must include, at a minimum, one of the following +** three flag combinations:)^ ** ** <dl> ** ^(<dt>[SQLITE_OPEN_READONLY]</dt> @@ -4305,23 +4363,51 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** sqlite3_open() and sqlite3_open16().</dd>)^ ** </dl> ** +** In addition to the required flags, the following optional flags are +** also supported: +** +** <dl> +** ^(<dt>[SQLITE_OPEN_URI]</dt> +** <dd>The filename can be interpreted as a URI if this flag is set.</dd>)^ +** +** ^(<dt>[SQLITE_OPEN_MEMORY]</dt> +** <dd>The database will be opened as an in-memory database. The database +** is named by the "filename" argument for the purposes of cache-sharing, +** if shared cache mode is enabled, but the "filename" is otherwise ignored. +** </dd>)^ +** +** ^(<dt>[SQLITE_OPEN_NOMUTEX]</dt> +** <dd>The new database connection will use the "multi-thread" +** [threading mode].)^ This means that separate threads are allowed +** to use SQLite at the same time, as long as each thread is using +** a different [database connection]. +** +** ^(<dt>[SQLITE_OPEN_FULLMUTEX]</dt> +** <dd>The new database connection will use the "serialized" +** [threading mode].)^ This means the multiple threads can safely +** attempt to use the same database connection at the same time. +** (Mutexes will block any actual concurrency, but in this mode +** there is no harm in trying.) +** +** ^(<dt>[SQLITE_OPEN_SHAREDCACHE]</dt> +** <dd>The database is opened [shared cache] enabled, overriding +** the default shared cache setting provided by +** [sqlite3_enable_shared_cache()].)^ +** +** ^(<dt>[SQLITE_OPEN_PRIVATECACHE]</dt> +** <dd>The database is opened [shared cache] disabled, overriding +** the default shared cache setting provided by +** [sqlite3_enable_shared_cache()].)^ +** +** [[OPEN_NOFOLLOW]] ^(<dt>[SQLITE_OPEN_NOFOLLOW]</dt> +** <dd>The database filename is not allowed to be a symbolic link</dd> +** </dl>)^ +** ** If the 3rd parameter to sqlite3_open_v2() is not one of the -** combinations shown above optionally combined with other +** required combinations shown above optionally combined with other ** [SQLITE_OPEN_READONLY | SQLITE_OPEN_* bits] ** then the behavior is undefined. ** -** ^If the [SQLITE_OPEN_NOMUTEX] flag is set, then the database connection -** opens in the multi-thread [threading mode] as long as the single-thread -** mode has not been set at compile-time or start-time. ^If the -** [SQLITE_OPEN_FULLMUTEX] flag is set then the database connection opens -** in the serialized [threading mode] unless single-thread was -** previously selected at compile-time or start-time. -** ^The [SQLITE_OPEN_SHAREDCACHE] flag causes the database connection to be -** eligible to use [shared cache mode], regardless of whether or not shared -** cache is enabled using [sqlite3_enable_shared_cache()]. ^The -** [SQLITE_OPEN_PRIVATECACHE] flag causes the database connection to not -** participate in [shared cache mode] even if it is enabled. -** ** ^The fourth parameter to sqlite3_open_v2() is the name of the ** [sqlite3_vfs] object that defines the operating system interface that ** the new database connection should use. ^If the fourth parameter is @@ -4353,17 +4439,17 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** information. ** ** URI filenames are parsed according to RFC 3986. ^If the URI contains an -** authority, then it must be either an empty string or the string -** "localhost". ^If the authority is not an empty string or "localhost", an -** error is returned to the caller. ^The fragment component of a URI, if +** authority, then it must be either an empty string or the string +** "localhost". ^If the authority is not an empty string or "localhost", an +** error is returned to the caller. ^The fragment component of a URI, if ** present, is ignored. ** ** ^SQLite uses the path component of the URI as the name of the disk file -** which contains the database. ^If the path begins with a '/' character, -** then it is interpreted as an absolute path. ^If the path does not begin +** which contains the database. ^If the path begins with a '/' character, +** then it is interpreted as an absolute path. ^If the path does not begin ** with a '/' (meaning that the authority section is omitted from the URI) -** then the path is interpreted as a relative path. -** ^(On windows, the first component of an absolute path +** then the path is interpreted as a relative path. +** ^(On windows, the first component of an absolute path ** is a drive specification (e.g. "C:").)^ ** ** [[core URI query parameters]] @@ -4383,13 +4469,13 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** ** <li> <b>mode</b>: ^(The mode parameter may be set to either "ro", "rw", ** "rwc", or "memory". Attempting to set it to any other value is -** an error)^. -** ^If "ro" is specified, then the database is opened for read-only -** access, just as if the [SQLITE_OPEN_READONLY] flag had been set in the -** third argument to sqlite3_open_v2(). ^If the mode option is set to -** "rw", then the database is opened for read-write (but not create) -** access, as if SQLITE_OPEN_READWRITE (but not SQLITE_OPEN_CREATE) had -** been set. ^Value "rwc" is equivalent to setting both +** an error)^. +** ^If "ro" is specified, then the database is opened for read-only +** access, just as if the [SQLITE_OPEN_READONLY] flag had been set in the +** third argument to sqlite3_open_v2(). ^If the mode option is set to +** "rw", then the database is opened for read-write (but not create) +** access, as if SQLITE_OPEN_READWRITE (but not SQLITE_OPEN_CREATE) had +** been set. ^Value "rwc" is equivalent to setting both ** SQLITE_OPEN_READWRITE and SQLITE_OPEN_CREATE. ^If the mode option is ** set to "memory" then a pure [in-memory database] that never reads ** or writes from disk is used. ^It is an error to specify a value for @@ -4399,7 +4485,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** <li> <b>cache</b>: ^The cache parameter may be set to either "shared" or ** "private". ^Setting it to "shared" is equivalent to setting the ** SQLITE_OPEN_SHAREDCACHE bit in the flags argument passed to -** sqlite3_open_v2(). ^Setting the cache parameter to "private" is +** sqlite3_open_v2(). ^Setting the cache parameter to "private" is ** equivalent to setting the SQLITE_OPEN_PRIVATECACHE bit. ** ^If sqlite3_open_v2() is used and the "cache" parameter is present in ** a URI filename, its value overrides any behavior requested by setting @@ -4425,7 +4511,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** property on a database file that does in fact change can result ** in incorrect query results and/or [SQLITE_CORRUPT] errors. ** See also: [SQLITE_IOCAP_IMMUTABLE]. -** +** ** </ul> ** ** ^Specifying an unknown parameter in the query component of a URI is not an @@ -4437,36 +4523,36 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** ** <table border="1" align=center cellpadding=5> ** <tr><th> URI filenames <th> Results -** <tr><td> file:data.db <td> +** <tr><td> file:data.db <td> ** Open the file "data.db" in the current directory. ** <tr><td> file:/home/fred/data.db<br> -** file:///home/fred/data.db <br> -** file://localhost/home/fred/data.db <br> <td> +** file:///home/fred/data.db <br> +** file://localhost/home/fred/data.db <br> <td> ** Open the database file "/home/fred/data.db". -** <tr><td> file://darkstar/home/fred/data.db <td> +** <tr><td> file://darkstar/home/fred/data.db <td> ** An error. "darkstar" is not a recognized authority. -** <tr><td style="white-space:nowrap"> +** <tr><td style="white-space:nowrap"> ** file:///C:/Documents%20and%20Settings/fred/Desktop/data.db ** <td> Windows only: Open the file "data.db" on fred's desktop on drive -** C:. Note that the %20 escaping in this example is not strictly +** C:. Note that the %20 escaping in this example is not strictly ** necessary - space characters can be used literally ** in URI filenames. -** <tr><td> file:data.db?mode=ro&cache=private <td> +** <tr><td> file:data.db?mode=ro&cache=private <td> ** Open file "data.db" in the current directory for read-only access. ** Regardless of whether or not shared-cache mode is enabled by ** default, use a private cache. ** <tr><td> file:/home/fred/data.db?vfs=unix-dotfile <td> ** Open file "/home/fred/data.db". Use the special VFS "unix-dotfile" ** that uses dot-files in place of posix advisory locking. -** <tr><td> file:data.db?mode=readonly <td> +** <tr><td> file:data.db?mode=readonly <td> ** An error. "readonly" is not a valid option for the "mode" parameter. ** </table> ** ** ^URI hexadecimal escape sequences (%HH) are supported within the path and ** query components of a URI. A hexadecimal escape sequence consists of a -** percent sign - "%" - followed by exactly two hexadecimal digits +** percent sign - "%" - followed by exactly two hexadecimal digits ** specifying an octet value. ^Before the path or query components of a -** URI filename are interpreted, they are encoded using UTF-8 and all +** URI filename are interpreted, they are encoded using UTF-8 and all ** hexadecimal escape sequences replaced by a single byte containing the ** corresponding octet. If this process generates an invalid UTF-8 encoding, ** the results are undefined. @@ -4501,17 +4587,27 @@ SQLITE_API int sqlite3_open_v2( /* ** CAPI3REF: Obtain Values For URI Parameters ** -** These are utility routines, useful to VFS implementations, that check -** to see if a database file was a URI that contained a specific query +** These are utility routines, useful to [VFS|custom VFS implementations], +** that check if a database file was a URI that contained a specific query ** parameter, and if so obtains the value of that query parameter. ** -** If F is the database filename pointer passed into the xOpen() method of -** a VFS implementation when the flags parameter to xOpen() has one or -** more of the [SQLITE_OPEN_URI] or [SQLITE_OPEN_MAIN_DB] bits set and -** P is the name of the query parameter, then +** The first parameter to these interfaces (hereafter referred to +** as F) must be one of: +** <ul> +** <li> A database filename pointer created by the SQLite core and +** passed into the xOpen() method of a VFS implemention, or +** <li> A filename obtained from [sqlite3_db_filename()], or +** <li> A new filename constructed using [sqlite3_create_filename()]. +** </ul> +** If the F parameter is not one of the above, then the behavior is +** undefined and probably undesirable. Older versions of SQLite were +** more tolerant of invalid F parameters than newer versions. +** +** If F is a suitable filename (as described in the previous paragraph) +** and if P is the name of the query parameter, then ** sqlite3_uri_parameter(F,P) returns the value of the P -** parameter if it exists or a NULL pointer if P does not appear as a -** query parameter on F. If P is a query parameter of F +** parameter if it exists or a NULL pointer if P does not appear as a +** query parameter on F. If P is a query parameter of F and it ** has no explicit value, then sqlite3_uri_parameter(F,P) returns ** a pointer to an empty string. ** @@ -4519,41 +4615,160 @@ SQLITE_API int sqlite3_open_v2( ** parameter and returns true (1) or false (0) according to the value ** of P. The sqlite3_uri_boolean(F,P,B) routine returns true (1) if the ** value of query parameter P is one of "yes", "true", or "on" in any -** case or if the value begins with a non-zero number. The +** case or if the value begins with a non-zero number. The ** sqlite3_uri_boolean(F,P,B) routines returns false (0) if the value of ** query parameter P is one of "no", "false", or "off" in any case or ** if the value begins with a numeric zero. If P is not a query -** parameter on F or if the value of P is does not match any of the +** parameter on F or if the value of P does not match any of the ** above, then sqlite3_uri_boolean(F,P,B) returns (B!=0). ** ** The sqlite3_uri_int64(F,P,D) routine converts the value of P into a ** 64-bit signed integer and returns that integer, or D if P does not ** exist. If the value of P is something other than an integer, then ** zero is returned. -** +** +** The sqlite3_uri_key(F,N) returns a pointer to the name (not +** the value) of the N-th query parameter for filename F, or a NULL +** pointer if N is less than zero or greater than the number of query +** parameters minus 1. The N value is zero-based so N should be 0 to obtain +** the name of the first query parameter, 1 for the second parameter, and +** so forth. +** ** If F is a NULL pointer, then sqlite3_uri_parameter(F,P) returns NULL and ** sqlite3_uri_boolean(F,P,B) returns B. If F is not a NULL pointer and -** is not a database file pathname pointer that SQLite passed into the xOpen -** VFS method, then the behavior of this routine is undefined and probably -** undesirable. +** is not a database file pathname pointer that the SQLite core passed +** into the xOpen VFS method, then the behavior of this routine is undefined +** and probably undesirable. +** +** Beginning with SQLite [version 3.31.0] ([dateof:3.31.0]) the input F +** parameter can also be the name of a rollback journal file or WAL file +** in addition to the main database file. Prior to version 3.31.0, these +** routines would only work if F was the name of the main database file. +** When the F parameter is the name of the rollback journal or WAL file, +** it has access to all the same query parameters as were found on the +** main database file. ** ** See the [URI filename] documentation for additional information. */ SQLITE_API const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam); SQLITE_API int sqlite3_uri_boolean(const char *zFile, const char *zParam, int bDefault); SQLITE_API sqlite3_int64 sqlite3_uri_int64(const char*, const char*, sqlite3_int64); +SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N); + +/* +** CAPI3REF: Translate filenames +** +** These routines are available to [VFS|custom VFS implementations] for +** translating filenames between the main database file, the journal file, +** and the WAL file. +** +** If F is the name of an sqlite database file, journal file, or WAL file +** passed by the SQLite core into the VFS, then sqlite3_filename_database(F) +** returns the name of the corresponding database file. +** +** If F is the name of an sqlite database file, journal file, or WAL file +** passed by the SQLite core into the VFS, or if F is a database filename +** obtained from [sqlite3_db_filename()], then sqlite3_filename_journal(F) +** returns the name of the corresponding rollback journal file. +** +** If F is the name of an sqlite database file, journal file, or WAL file +** that was passed by the SQLite core into the VFS, or if F is a database +** filename obtained from [sqlite3_db_filename()], then +** sqlite3_filename_wal(F) returns the name of the corresponding +** WAL file. +** +** In all of the above, if F is not the name of a database, journal or WAL +** filename passed into the VFS from the SQLite core and F is not the +** return value from [sqlite3_db_filename()], then the result is +** undefined and is likely a memory access violation. +*/ +SQLITE_API const char *sqlite3_filename_database(const char*); +SQLITE_API const char *sqlite3_filename_journal(const char*); +SQLITE_API const char *sqlite3_filename_wal(const char*); +/* +** CAPI3REF: Database File Corresponding To A Journal +** +** ^If X is the name of a rollback or WAL-mode journal file that is +** passed into the xOpen method of [sqlite3_vfs], then +** sqlite3_database_file_object(X) returns a pointer to the [sqlite3_file] +** object that represents the main database file. +** +** This routine is intended for use in custom [VFS] implementations +** only. It is not a general-purpose interface. +** The argument sqlite3_file_object(X) must be a filename pointer that +** has been passed into [sqlite3_vfs].xOpen method where the +** flags parameter to xOpen contains one of the bits +** [SQLITE_OPEN_MAIN_JOURNAL] or [SQLITE_OPEN_WAL]. Any other use +** of this routine results in undefined and probably undesirable +** behavior. +*/ +SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); + +/* +** CAPI3REF: Create and Destroy VFS Filenames +** +** These interfces are provided for use by [VFS shim] implementations and +** are not useful outside of that context. +** +** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of +** database filename D with corresponding journal file J and WAL file W and +** with N URI parameters key/values pairs in the array P. The result from +** sqlite3_create_filename(D,J,W,N,P) is a pointer to a database filename that +** is safe to pass to routines like: +** <ul> +** <li> [sqlite3_uri_parameter()], +** <li> [sqlite3_uri_boolean()], +** <li> [sqlite3_uri_int64()], +** <li> [sqlite3_uri_key()], +** <li> [sqlite3_filename_database()], +** <li> [sqlite3_filename_journal()], or +** <li> [sqlite3_filename_wal()]. +** </ul> +** If a memory allocation error occurs, sqlite3_create_filename() might +** return a NULL pointer. The memory obtained from sqlite3_create_filename(X) +** must be released by a corresponding call to sqlite3_free_filename(Y). +** +** The P parameter in sqlite3_create_filename(D,J,W,N,P) should be an array +** of 2*N pointers to strings. Each pair of pointers in this array corresponds +** to a key and value for a query parameter. The P parameter may be a NULL +** pointer if N is zero. None of the 2*N pointers in the P array may be +** NULL pointers and key pointers should not be empty strings. +** None of the D, J, or W parameters to sqlite3_create_filename(D,J,W,N,P) may +** be NULL pointers, though they can be empty strings. +** +** The sqlite3_free_filename(Y) routine releases a memory allocation +** previously obtained from sqlite3_create_filename(). Invoking +** sqlite3_free_filename(Y) where Y is a NULL pointer is a harmless no-op. +** +** If the Y parameter to sqlite3_free_filename(Y) is anything other +** than a NULL pointer or a pointer previously acquired from +** sqlite3_create_filename(), then bad things such as heap +** corruption or segfaults may occur. The value Y should be +** used again after sqlite3_free_filename(Y) has been called. This means +** that if the [sqlite3_vfs.xOpen()] method of a VFS has been called using Y, +** then the corresponding [sqlite3_module.xClose() method should also be +** invoked prior to calling sqlite3_free_filename(Y). +*/ +SQLITE_API char *sqlite3_create_filename( + const char *zDatabase, + const char *zJournal, + const char *zWal, + int nParam, + const char **azParam +); +SQLITE_API void sqlite3_free_filename(char*); /* ** CAPI3REF: Error Codes And Messages ** METHOD: sqlite3 ** -** ^If the most recent sqlite3_* API call associated with +** ^If the most recent sqlite3_* API call associated with ** [database connection] D failed, then the sqlite3_errcode(D) interface ** returns the numeric [result code] or [extended result code] for that ** API call. ** ^The sqlite3_extended_errcode() -** interface is the same except that it always returns the +** interface is the same except that it always returns the ** [extended result code] even when extended result codes are ** disabled. ** @@ -4610,7 +4825,7 @@ SQLITE_API const char *sqlite3_errstr(int); ** has been compiled into binary form and is ready to be evaluated. ** ** Think of each SQL statement as a separate computer program. The -** original SQL text is source code. A prepared statement object +** original SQL text is source code. A prepared statement object ** is the compiled object code. All SQL must be converted into a ** prepared statement before it can be run. ** @@ -4640,7 +4855,7 @@ typedef struct sqlite3_stmt sqlite3_stmt; ** new limit for that construct.)^ ** ** ^If the new limit is a negative number, the limit is unchanged. -** ^(For each limit category SQLITE_LIMIT_<i>NAME</i> there is a +** ^(For each limit category SQLITE_LIMIT_<i>NAME</i> there is a ** [limits | hard upper bound] ** set at compile-time by a C preprocessor macro called ** [limits | SQLITE_MAX_<i>NAME</i>]. @@ -4648,7 +4863,7 @@ typedef struct sqlite3_stmt sqlite3_stmt; ** ^Attempts to increase a limit above its hard upper bound are ** silently truncated to the hard upper bound. ** -** ^Regardless of whether or not the limit was changed, the +** ^Regardless of whether or not the limit was changed, the ** [sqlite3_limit()] interface returns the prior value of the limit. ** ^Hence, to find the current value of a limit without changing it, ** simply invoke this interface with the third parameter set to -1. @@ -4753,7 +4968,7 @@ SQLITE_API int sqlite3_limit(sqlite3*, int id, int newVal); ** <dd>The SQLITE_PREPARE_PERSISTENT flag is a hint to the query planner ** that the prepared statement will be retained for a long time and ** probably reused many times.)^ ^Without this flag, [sqlite3_prepare_v3()] -** and [sqlite3_prepare16_v3()] assume that the prepared statement will +** and [sqlite3_prepare16_v3()] assume that the prepared statement will ** be used just once or at most a few times and then destroyed using ** [sqlite3_finalize()] relatively soon. The current implementation acts ** on this hint by avoiding the use of [lookaside memory] so as not to @@ -4860,12 +5075,12 @@ SQLITE_API int sqlite3_limit(sqlite3*, int id, int newVal); ** </li> ** ** <li> -** ^If the specific value bound to [parameter | host parameter] in the +** ^If the specific value bound to a [parameter | host parameter] in the ** WHERE clause might influence the choice of query plan for a statement, -** then the statement will be automatically recompiled, as if there had been -** a schema change, on the first [sqlite3_step()] call following any change -** to the [sqlite3_bind_text | bindings] of that [parameter]. -** ^The specific value of WHERE-clause [parameter] might influence the +** then the statement will be automatically recompiled, as if there had been +** a schema change, on the first [sqlite3_step()] call following any change +** to the [sqlite3_bind_text | bindings] of that [parameter]. +** ^The specific value of a WHERE-clause [parameter] might influence the ** choice of query plan if the parameter is the left-hand side of a [LIKE] ** or [GLOB] operator or if the parameter is compared to an indexed column ** and the [SQLITE_ENABLE_STAT4] compile-time option is enabled. @@ -4974,8 +5189,8 @@ SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); ** the content of the database file. ** ** Note that [application-defined SQL functions] or -** [virtual tables] might change the database indirectly as a side effect. -** ^(For example, if an application defines a function "eval()" that +** [virtual tables] might change the database indirectly as a side effect. +** ^(For example, if an application defines a function "eval()" that ** calls [sqlite3_exec()], then the following SQL statement would ** change the database file through side-effects: ** @@ -4989,10 +5204,10 @@ SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); ** ^Transaction control statements such as [BEGIN], [COMMIT], [ROLLBACK], ** [SAVEPOINT], and [RELEASE] cause sqlite3_stmt_readonly() to return true, ** since the statements themselves do not actually modify the database but -** rather they control the timing of when other statements modify the +** rather they control the timing of when other statements modify the ** database. ^The [ATTACH] and [DETACH] statements also cause ** sqlite3_stmt_readonly() to return true since, while those statements -** change the configuration of a database connection, they do not make +** change the configuration of a database connection, they do not make ** changes to the content of the database files on disk. ** ^The sqlite3_stmt_readonly() interface returns true for [BEGIN] since ** [BEGIN] merely sets internal flags, but the [BEGIN|BEGIN IMMEDIATE] and @@ -5018,18 +5233,18 @@ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); ** METHOD: sqlite3_stmt ** ** ^The sqlite3_stmt_busy(S) interface returns true (non-zero) if the -** [prepared statement] S has been stepped at least once using +** [prepared statement] S has been stepped at least once using ** [sqlite3_step(S)] but has neither run to completion (returned ** [SQLITE_DONE] from [sqlite3_step(S)]) nor ** been reset using [sqlite3_reset(S)]. ^The sqlite3_stmt_busy(S) -** interface returns false if S is a NULL pointer. If S is not a +** interface returns false if S is a NULL pointer. If S is not a ** NULL pointer and is not a pointer to a valid [prepared statement] ** object, then the behavior is undefined and probably undesirable. ** ** This interface can be used in combination [sqlite3_next_stmt()] -** to locate all prepared statements associated with a database +** to locate all prepared statements associated with a database ** connection that are in need of being reset. This can be used, -** for example, in diagnostic routines to search for prepared +** for example, in diagnostic routines to search for prepared ** statements that are holding a transaction open. */ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); @@ -5048,7 +5263,7 @@ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); ** will accept either a protected or an unprotected sqlite3_value. ** Every interface that accepts sqlite3_value arguments specifies ** whether or not it requires a protected sqlite3_value. The -** [sqlite3_value_dup()] interface can be used to construct a new +** [sqlite3_value_dup()] interface can be used to construct a new ** protected sqlite3_value from an unprotected sqlite3_value. ** ** The terms "protected" and "unprotected" refer to whether or not @@ -5056,7 +5271,7 @@ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); ** sqlite3_value object but no mutex is held for an unprotected ** sqlite3_value object. If SQLite is compiled to be single-threaded ** (with [SQLITE_THREADSAFE=0] and with [sqlite3_threadsafe()] returning 0) -** or if SQLite is run in one of reduced mutex modes +** or if SQLite is run in one of reduced mutex modes ** [SQLITE_CONFIG_SINGLETHREAD] or [SQLITE_CONFIG_MULTITHREAD] ** then there is no distinction between protected and unprotected ** sqlite3_value objects and they can be used interchangeably. However, @@ -5125,12 +5340,30 @@ typedef struct sqlite3_context sqlite3_context; ** [sqlite3_bind_parameter_index()] API if desired. ^The index ** for "?NNN" parameters is the value of NNN. ** ^The NNN value must be between 1 and the [sqlite3_limit()] -** parameter [SQLITE_LIMIT_VARIABLE_NUMBER] (default value: 999). +** parameter [SQLITE_LIMIT_VARIABLE_NUMBER] (default value: 32766). ** ** ^The third argument is the value to bind to the parameter. ** ^If the third parameter to sqlite3_bind_text() or sqlite3_bind_text16() ** or sqlite3_bind_blob() is a NULL pointer then the fourth parameter ** is ignored and the end result is the same as sqlite3_bind_null(). +** ^If the third parameter to sqlite3_bind_text() is not NULL, then +** it should be a pointer to well-formed UTF8 text. +** ^If the third parameter to sqlite3_bind_text16() is not NULL, then +** it should be a pointer to well-formed UTF16 text. +** ^If the third parameter to sqlite3_bind_text64() is not NULL, then +** it should be a pointer to a well-formed unicode string that is +** either UTF8 if the sixth parameter is SQLITE_UTF8, or UTF16 +** otherwise. +** +** [[byte-order determination rules]] ^The byte-order of +** UTF16 input text is determined by the byte-order mark (BOM, U+FEFF) +** found in first character, which is removed, or in the absence of a BOM +** the byte order is the native byte order of the host +** machine for sqlite3_bind_text16() or the byte order specified in +** the 6th parameter for sqlite3_bind_text64().)^ +** ^If UTF16 input text contains invalid unicode +** characters, then SQLite might change those invalid characters +** into the unicode replacement character: U+FFFD. ** ** ^(In those routines that have a fourth argument, its value is the ** number of bytes in the parameter. To be clear: the value is the @@ -5144,7 +5377,7 @@ typedef struct sqlite3_context sqlite3_context; ** or sqlite3_bind_text16() or sqlite3_bind_text64() then ** that parameter must be the byte offset ** where the NUL terminator would occur assuming the string were NUL -** terminated. If any NUL characters occur at byte offsets less than +** terminated. If any NUL characters occurs at byte offsets less than ** the value of the fourth parameter then the resulting string value will ** contain embedded NULs. The result of expressions involving strings ** with embedded NULs is undefined. @@ -5306,7 +5539,7 @@ SQLITE_API int sqlite3_clear_bindings(sqlite3_stmt*); ** METHOD: sqlite3_stmt ** ** ^Return the number of columns in the result set returned by the -** [prepared statement]. ^If this routine returns 0, that means the +** [prepared statement]. ^If this routine returns 0, that means the ** [prepared statement] returns no data (for example an [UPDATE]). ** ^However, just because this routine returns a positive number does not ** mean that one or more rows of data will be returned. ^A SELECT statement @@ -5374,7 +5607,7 @@ SQLITE_API const void *sqlite3_column_name16(sqlite3_stmt*, int N); ** ** ^If the Nth column returned by the statement is an expression or ** subquery and is not a column value, then all of these functions return -** NULL. ^These routine might also return NULL if a memory allocation error +** NULL. ^These routines might also return NULL if a memory allocation error ** occurs. ^Otherwise, they return the name of the attached database, table, ** or column that query result column was extracted from. ** @@ -5384,10 +5617,6 @@ SQLITE_API const void *sqlite3_column_name16(sqlite3_stmt*, int N); ** ^These APIs are only available if the library was compiled with the ** [SQLITE_ENABLE_COLUMN_METADATA] C-preprocessor symbol. ** -** If two or more threads call one or more of these routines against the same -** prepared statement and column at the same time then the results are -** undefined. -** ** If two or more threads call one or more ** [sqlite3_column_database_name | column metadata interfaces] ** for the same [prepared statement] and result column @@ -5492,7 +5721,7 @@ SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt*,int); ** For all versions of SQLite up to and including 3.6.23.1, a call to ** [sqlite3_reset()] was required after sqlite3_step() returned anything ** other than [SQLITE_ROW] before any subsequent invocation of -** sqlite3_step(). Failure to reset the prepared statement using +** sqlite3_step(). Failure to reset the prepared statement using ** [sqlite3_reset()] would result in an [SQLITE_MISUSE] return from ** sqlite3_step(). But after [version 3.6.23.1] ([dateof:3.6.23.1], ** sqlite3_step() began @@ -5524,7 +5753,7 @@ SQLITE_API int sqlite3_step(sqlite3_stmt*); ** ^The sqlite3_data_count(P) interface returns the number of columns in the ** current row of the result set of [prepared statement] P. ** ^If prepared statement P does not have results ready to return -** (via calls to the [sqlite3_column_int | sqlite3_column_*()] of +** (via calls to the [sqlite3_column_int | sqlite3_column()] family of ** interfaces) then sqlite3_data_count(P) returns 0. ** ^The sqlite3_data_count(P) routine also returns 0 if P is a NULL pointer. ** ^The sqlite3_data_count(P) routine returns 0 if the previous call to @@ -5583,7 +5812,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** <tr><td><b>sqlite3_column_int64</b><td>→<td>64-bit INTEGER result ** <tr><td><b>sqlite3_column_text</b><td>→<td>UTF-8 TEXT result ** <tr><td><b>sqlite3_column_text16</b><td>→<td>UTF-16 TEXT result -** <tr><td><b>sqlite3_column_value</b><td>→<td>The result as an +** <tr><td><b>sqlite3_column_value</b><td>→<td>The result as an ** [sqlite3_value|unprotected sqlite3_value] object. ** <tr><td> <td> <td> ** <tr><td><b>sqlite3_column_bytes</b><td>→<td>Size of a BLOB @@ -5631,7 +5860,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** The return value of sqlite3_column_type() can be used to decide which ** of the first six interface should be used to extract the column value. ** The value returned by sqlite3_column_type() is only meaningful if no -** automatic type conversions have occurred for the value in question. +** automatic type conversions have occurred for the value in question. ** After a type conversion, the result of calling sqlite3_column_type() ** is undefined, though harmless. Future ** versions of SQLite may change the behavior of sqlite3_column_type() @@ -5659,7 +5888,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** the number of bytes in that string. ** ^If the result is NULL, then sqlite3_column_bytes16() returns zero. ** -** ^The values returned by [sqlite3_column_bytes()] and +** ^The values returned by [sqlite3_column_bytes()] and ** [sqlite3_column_bytes16()] do not include the zero terminators at the end ** of the string. ^For clarity: the values returned by ** [sqlite3_column_bytes()] and [sqlite3_column_bytes16()] are the number of @@ -5678,7 +5907,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** to routines like [sqlite3_value_int()], [sqlite3_value_text()], ** or [sqlite3_value_bytes()], the behavior is not threadsafe. ** Hence, the sqlite3_column_value() interface -** is normally only useful within the implementation of +** is normally only useful within the implementation of ** [application-defined SQL functions] or [virtual tables], not within ** top-level application code. ** @@ -5848,15 +6077,13 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); /* ** CAPI3REF: Create Or Redefine SQL Functions ** KEYWORDS: {function creation routines} -** KEYWORDS: {application-defined SQL function} -** KEYWORDS: {application-defined SQL functions} ** METHOD: sqlite3 ** ** ^These functions (collectively known as "function creation routines") ** are used to add SQL functions or aggregates or to redefine the behavior ** of existing SQL functions or aggregates. The only differences between -** the three "sqlite3_create_function*" routines are the text encoding -** expected for the second parameter (the name of the function being +** the three "sqlite3_create_function*" routines are the text encoding +** expected for the second parameter (the name of the function being ** created) and the presence or absence of a destructor callback for ** the application data pointer. Function sqlite3_create_window_function() ** is similar, but allows the user to supply the extra callback functions @@ -5870,7 +6097,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** ^The second parameter is the name of the SQL function to be created or ** redefined. ^The length of the name is limited to 255 bytes in a UTF-8 ** representation, exclusive of the zero-terminator. ^Note that the name -** length limit is in UTF-8 bytes, not characters nor UTF-16 bytes. +** length limit is in UTF-8 bytes, not characters nor UTF-16 bytes. ** ^Any attempt to create a function with a longer name ** will result in [SQLITE_MISUSE] being returned. ** @@ -5885,7 +6112,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** ^The fourth parameter, eTextRep, specifies what ** [SQLITE_UTF8 | text encoding] this SQL function prefers for ** its parameters. The application should set this parameter to -** [SQLITE_UTF16LE] if the function implementation invokes +** [SQLITE_UTF16LE] if the function implementation invokes ** [sqlite3_value_text16le()] on an input, or [SQLITE_UTF16BE] if the ** implementation invokes [sqlite3_value_text16be()] on an input, or ** [SQLITE_UTF16] if [sqlite3_value_text16()] is used, or [SQLITE_UTF8] @@ -5905,9 +6132,20 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** ** ^The fourth parameter may also optionally include the [SQLITE_DIRECTONLY] ** flag, which if present prevents the function from being invoked from -** within VIEWs or TRIGGERs. For security reasons, the [SQLITE_DIRECTONLY] -** flag is recommended for any application-defined SQL function that has -** side-effects. +** within VIEWs, TRIGGERs, CHECK constraints, generated column expressions, +** index expressions, or the WHERE clause of partial indexes. +** +** <span style="background-color:#ffff90;"> +** For best security, the [SQLITE_DIRECTONLY] flag is recommended for +** all application-defined SQL functions that do not need to be +** used inside of triggers, view, CHECK constraints, or other elements of +** the database schema. This flags is especially recommended for SQL +** functions that have side effects or reveal internal application state. +** Without this flag, an attacker might be able to modify the schema of +** a database file to include invocations of the function with parameters +** chosen by the attacker, which the application will then execute when +** the database file is opened and read. +** </span> ** ** ^(The fifth parameter is an arbitrary pointer. The implementation of the ** function can gain access to this pointer using [sqlite3_user_data()].)^ @@ -5922,21 +6160,21 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** SQL function or aggregate, pass NULL pointers for all three function ** callbacks. ** -** ^The sixth, seventh, eighth and ninth parameters (xStep, xFinal, xValue +** ^The sixth, seventh, eighth and ninth parameters (xStep, xFinal, xValue ** and xInverse) passed to sqlite3_create_window_function are pointers to ** C-language callbacks that implement the new function. xStep and xFinal ** must both be non-NULL. xValue and xInverse may either both be NULL, in -** which case a regular aggregate function is created, or must both be +** which case a regular aggregate function is created, or must both be ** non-NULL, in which case the new function may be used as either an aggregate ** or aggregate window function. More details regarding the implementation -** of aggregate window functions are +** of aggregate window functions are ** [user-defined window functions|available here]. ** ** ^(If the final parameter to sqlite3_create_function_v2() or ** sqlite3_create_window_function() is not NULL, then it is destructor for -** the application data pointer. The destructor is invoked when the function -** is deleted, either by being overloaded or when the database connection -** closes.)^ ^The destructor is also invoked if the call to +** the application data pointer. The destructor is invoked when the function +** is deleted, either by being overloaded or when the database connection +** closes.)^ ^The destructor is also invoked if the call to ** sqlite3_create_function_v2() fails. ^When the destructor callback is ** invoked, it is passed a single argument which is a copy of the application ** data pointer which was the fifth parameter to sqlite3_create_function_v2(). @@ -5949,7 +6187,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** nArg parameter is a better match than a function implementation with ** a negative nArg. ^A function where the preferred text encoding ** matches the database encoding is a better -** match than a function where the encoding is different. +** match than a function where the encoding is different. ** ^A function where the encoding difference is between UTF16le and UTF16be ** is a closer match than a function where the encoding difference is ** between UTF8 and UTF16. @@ -6021,23 +6259,58 @@ SQLITE_API int sqlite3_create_window_function( /* ** CAPI3REF: Function Flags ** -** These constants may be ORed together with the +** These constants may be ORed together with the ** [SQLITE_UTF8 | preferred text encoding] as the fourth argument ** to [sqlite3_create_function()], [sqlite3_create_function16()], or ** [sqlite3_create_function_v2()]. ** -** The SQLITE_DETERMINISTIC flag means that the new function will always -** maps the same inputs into the same output. The abs() function is -** deterministic, for example, but randomblob() is not. +** <dl> +** [[SQLITE_DETERMINISTIC]] <dt>SQLITE_DETERMINISTIC</dt><dd> +** The SQLITE_DETERMINISTIC flag means that the new function always gives +** the same output when the input parameters are the same. +** The [abs|abs() function] is deterministic, for example, but +** [randomblob|randomblob()] is not. Functions must +** be deterministic in order to be used in certain contexts such as +** with the WHERE clause of [partial indexes] or in [generated columns]. +** SQLite might also optimize deterministic functions by factoring them +** out of inner loops. +** </dd> ** +** [[SQLITE_DIRECTONLY]] <dt>SQLITE_DIRECTONLY</dt><dd> ** The SQLITE_DIRECTONLY flag means that the function may only be invoked -** from top-level SQL, and cannot be used in VIEWs or TRIGGERs. This is -** a security feature which is recommended for all -** [application-defined SQL functions] that have side-effects. This flag -** prevents an attacker from adding triggers and views to a schema then -** tricking a high-privilege application into causing unintended side-effects -** while performing ordinary queries. +** from top-level SQL, and cannot be used in VIEWs or TRIGGERs nor in +** schema structures such as [CHECK constraints], [DEFAULT clauses], +** [expression indexes], [partial indexes], or [generated columns]. +** The SQLITE_DIRECTONLY flags is a security feature which is recommended +** for all [application-defined SQL functions], and especially for functions +** that have side-effects or that could potentially leak sensitive +** information. +** </dd> +** +** [[SQLITE_INNOCUOUS]] <dt>SQLITE_INNOCUOUS</dt><dd> +** The SQLITE_INNOCUOUS flag means that the function is unlikely +** to cause problems even if misused. An innocuous function should have +** no side effects and should not depend on any values other than its +** input parameters. The [abs|abs() function] is an example of an +** innocuous function. +** The [load_extension() SQL function] is not innocuous because of its +** side effects. +** <p> SQLITE_INNOCUOUS is similar to SQLITE_DETERMINISTIC, but is not +** exactly the same. The [random|random() function] is an example of a +** function that is innocuous but not deterministic. +** <p>Some heightened security settings +** ([SQLITE_DBCONFIG_TRUSTED_SCHEMA] and [PRAGMA trusted_schema=OFF]) +** disable the use of SQL functions inside views and triggers and in +** schema structures such as [CHECK constraints], [DEFAULT clauses], +** [expression indexes], [partial indexes], and [generated columns] unless +** the function is tagged with SQLITE_INNOCUOUS. Most built-in functions +** are innocuous. Developers are advised to avoid using the +** SQLITE_INNOCUOUS flag for application-defined functions unless the +** function has been carefully audited and found to be free of potentially +** security-adverse side-effects and information-leaks. +** </dd> ** +** [[SQLITE_SUBTYPE]] <dt>SQLITE_SUBTYPE</dt><dd> ** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call ** [sqlite3_value_subtype()] to inspect the sub-types of its arguments. ** Specifying this flag makes no difference for scalar or aggregate user @@ -6045,17 +6318,20 @@ SQLITE_API int sqlite3_create_window_function( ** function, then any sub-types belonging to arguments passed to the window ** function may be discarded before the window function is called (i.e. ** sqlite3_value_subtype() will always return 0). +** </dd> +** </dl> */ #define SQLITE_DETERMINISTIC 0x000000800 #define SQLITE_DIRECTONLY 0x000080000 #define SQLITE_SUBTYPE 0x000100000 +#define SQLITE_INNOCUOUS 0x000200000 /* ** CAPI3REF: Deprecated Functions ** DEPRECATED ** ** These functions are [deprecated]. In order to maintain -** backwards compatibility with older code, these functions continue +** backwards compatibility with older code, these functions continue ** to be supported. However, new applications should avoid ** the use of these functions. To encourage programmers to avoid ** these functions, we will not explain what they do. @@ -6107,8 +6383,8 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** ** These routines extract type, size, and content information from ** [protected sqlite3_value] objects. Protected sqlite3_value objects -** are used to pass parameter information into implementation of -** [application-defined SQL functions] and [virtual tables]. +** are used to pass parameter information into the functions that +** implement [application-defined SQL functions] and [virtual tables]. ** ** These routines work only with [protected sqlite3_value] objects. ** Any attempt to use these routines on an [unprotected sqlite3_value] @@ -6123,11 +6399,11 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** sqlite3_value_text16be() and sqlite3_value_text16le() interfaces ** extract UTF-16 strings as big-endian and little-endian respectively. ** -** ^If [sqlite3_value] object V was initialized +** ^If [sqlite3_value] object V was initialized ** using [sqlite3_bind_pointer(S,I,P,X,D)] or [sqlite3_result_pointer(C,P,X,D)] ** and if X and Y are strings that compare equal according to strcmp(X,Y), ** then sqlite3_value_pointer(V,Y) will return the pointer P. ^Otherwise, -** sqlite3_value_pointer(V,Y) returns a NULL. The sqlite3_bind_pointer() +** sqlite3_value_pointer(V,Y) returns a NULL. The sqlite3_bind_pointer() ** routine is part of the [pointer passing interface] added for SQLite 3.20.0. ** ** ^(The sqlite3_value_type(V) interface returns the @@ -6165,7 +6441,7 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** ^The sqlite3_value_frombind(X) interface returns non-zero if the ** value X originated from one of the [sqlite3_bind_int|sqlite3_bind()] ** interfaces. ^If X comes from an SQL literal value, or a table column, -** and expression, then sqlite3_value_frombind(X) returns zero. +** or an expression, then sqlite3_value_frombind(X) returns zero. ** ** Please pay particular attention to the fact that the pointer returned ** from [sqlite3_value_blob()], [sqlite3_value_text()], or @@ -6250,9 +6526,9 @@ SQLITE_API void sqlite3_value_free(sqlite3_value*); ** Implementations of aggregate SQL functions use this ** routine to allocate memory for storing their state. ** -** ^The first time the sqlite3_aggregate_context(C,N) routine is called -** for a particular aggregate function, SQLite -** allocates N of memory, zeroes out that memory, and returns a pointer +** ^The first time the sqlite3_aggregate_context(C,N) routine is called +** for a particular aggregate function, SQLite allocates +** N bytes of memory, zeroes out that memory, and returns a pointer ** to the new memory. ^On second and subsequent calls to ** sqlite3_aggregate_context() for the same aggregate function instance, ** the same buffer is returned. Sqlite3_aggregate_context() is normally @@ -6263,19 +6539,19 @@ SQLITE_API void sqlite3_value_free(sqlite3_value*); ** In those cases, sqlite3_aggregate_context() might be called for the ** first time from within xFinal().)^ ** -** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer +** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer ** when first called if N is less than or equal to zero or if a memory ** allocate error occurs. ** ** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is ** determined by the N parameter on first successful call. Changing the -** value of N in subsequent call to sqlite3_aggregate_context() within +** value of N in any subsequent call to sqlite3_aggregate_context() within ** the same aggregate function instance will not resize the memory ** allocation.)^ Within the xFinal callback, it is customary to set -** N=0 in calls to sqlite3_aggregate_context(C,N) so that no +** N=0 in calls to sqlite3_aggregate_context(C,N) so that no ** pointless memory allocations occur. ** -** ^SQLite automatically frees the memory allocated by +** ^SQLite automatically frees the memory allocated by ** sqlite3_aggregate_context() when the aggregate query concludes. ** ** The first parameter must be a copy of the @@ -6325,7 +6601,7 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** some circumstances the associated metadata may be preserved. An example ** of where this might be useful is in a regular-expression matching ** function. The compiled version of the regular expression can be stored as -** metadata associated with the pattern string. +** metadata associated with the pattern string. ** Then as long as the pattern string remains the same, ** the compiled regular expression can be reused on multiple ** invocations of the same function. @@ -6351,10 +6627,10 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** SQL statement)^, or ** <li> ^(when sqlite3_set_auxdata() is invoked again on the same ** parameter)^, or -** <li> ^(during the original sqlite3_set_auxdata() call when a memory +** <li> ^(during the original sqlite3_set_auxdata() call when a memory ** allocation error occurs.)^ </ul> ** -** Note the last bullet in particular. The destructor X in +** Note the last bullet in particular. The destructor X in ** sqlite3_set_auxdata(C,N,P,X) might be called immediately, before the ** sqlite3_set_auxdata() interface even returns. Hence sqlite3_set_auxdata() ** should be called near the end of the function implementation and the @@ -6426,8 +6702,9 @@ typedef void (*sqlite3_destructor_type)(void*); ** 2nd parameter of sqlite3_result_error() or sqlite3_result_error16() ** as the text of an error message. ^SQLite interprets the error ** message string from sqlite3_result_error() as UTF-8. ^SQLite -** interprets the string from sqlite3_result_error16() as UTF-16 in native -** byte order. ^If the third parameter to sqlite3_result_error() +** interprets the string from sqlite3_result_error16() as UTF-16 using +** the same [byte-order determination rules] as [sqlite3_bind_text16()]. +** ^If the third parameter to sqlite3_result_error() ** or sqlite3_result_error16() is negative then SQLite takes as the error ** message all text up through the first zero character. ** ^If the third parameter to sqlite3_result_error() or @@ -6495,6 +6772,25 @@ typedef void (*sqlite3_destructor_type)(void*); ** then SQLite makes a copy of the result into space obtained ** from [sqlite3_malloc()] before it returns. ** +** ^For the sqlite3_result_text16(), sqlite3_result_text16le(), and +** sqlite3_result_text16be() routines, and for sqlite3_result_text64() +** when the encoding is not UTF8, if the input UTF16 begins with a +** byte-order mark (BOM, U+FEFF) then the BOM is removed from the +** string and the rest of the string is interpreted according to the +** byte-order specified by the BOM. ^The byte-order specified by +** the BOM at the beginning of the text overrides the byte-order +** specified by the interface procedure. ^So, for example, if +** sqlite3_result_text16le() is invoked with text that begins +** with bytes 0xfe, 0xff (a big-endian byte-order mark) then the +** first two bytes of input are skipped and the remaining input +** is interpreted as UTF16BE text. +** +** ^For UTF16 input text to the sqlite3_result_text16(), +** sqlite3_result_text16be(), sqlite3_result_text16le(), and +** sqlite3_result_text64() routines, if the text contains invalid +** UTF16 characters, the invalid characters might be converted +** into the unicode replacement character, U+FFFD. +** ** ^The sqlite3_result_value() interface sets the result of ** the application-defined function to be a copy of the ** [unprotected sqlite3_value] object specified by the 2nd parameter. ^The @@ -6507,7 +6803,7 @@ typedef void (*sqlite3_destructor_type)(void*); ** ** ^The sqlite3_result_pointer(C,P,T,D) interface sets the result to an ** SQL NULL value, just like [sqlite3_result_null(C)], except that it -** also associates the host-language pointer P or type T with that +** also associates the host-language pointer P or type T with that ** NULL value such that the pointer can be retrieved within an ** [application-defined SQL function] using [sqlite3_value_pointer()]. ** ^If the D parameter is not NULL, then it is a pointer to a destructor @@ -6549,8 +6845,8 @@ SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); ** METHOD: sqlite3_context ** ** The sqlite3_result_subtype(C,T) function causes the subtype of -** the result from the [application-defined SQL function] with -** [sqlite3_context] C to be the value T. Only the lower 8 bits +** the result from the [application-defined SQL function] with +** [sqlite3_context] C to be the value T. Only the lower 8 bits ** of the subtype T are preserved in current versions of SQLite; ** higher order bits are discarded. ** The number of subtype bytes preserved by SQLite might increase @@ -6580,7 +6876,7 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** <li> [SQLITE_UTF16_ALIGNED]. ** </ul>)^ ** ^The eTextRep argument determines the encoding of strings passed -** to the collating function callback, xCallback. +** to the collating function callback, xCompare. ** ^The [SQLITE_UTF16] and [SQLITE_UTF16_ALIGNED] values for eTextRep ** force strings to be UTF16 with native byte order. ** ^The [SQLITE_UTF16_ALIGNED] value for eTextRep forces strings to begin @@ -6589,18 +6885,19 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** ^The fourth argument, pArg, is an application data pointer that is passed ** through as the first argument to the collating function callback. ** -** ^The fifth argument, xCallback, is a pointer to the collating function. +** ^The fifth argument, xCompare, is a pointer to the collating function. ** ^Multiple collating functions can be registered using the same name but ** with different eTextRep parameters and SQLite will use whichever ** function requires the least amount of data transformation. -** ^If the xCallback argument is NULL then the collating function is +** ^If the xCompare argument is NULL then the collating function is ** deleted. ^When all collating functions having the same name are deleted, ** that collation is no longer usable. ** -** ^The collating function callback is invoked with a copy of the pArg +** ^The collating function callback is invoked with a copy of the pArg ** application data pointer and with two strings in the encoding specified -** by the eTextRep argument. The collating function must return an -** integer that is negative, zero, or positive +** by the eTextRep argument. The two integer parameters to the collating +** function callback are the length of the two strings, in bytes. The collating +** function must return an integer that is negative, zero, or positive ** if the first string is less than, equal to, or greater than the second, ** respectively. A collating function must always return the same answer ** given the same inputs. If two or more collating functions are registered @@ -6617,7 +6914,7 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** </ol> ** ** If a collating function fails any of the above constraints and that -** collating function is registered and used, then the behavior of SQLite +** collating function is registered and used, then the behavior of SQLite ** is undefined. ** ** ^The sqlite3_create_collation_v2() works like sqlite3_create_collation() @@ -6627,36 +6924,36 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** calls to the collation creation functions or when the ** [database connection] is closed using [sqlite3_close()]. ** -** ^The xDestroy callback is <u>not</u> called if the +** ^The xDestroy callback is <u>not</u> called if the ** sqlite3_create_collation_v2() function fails. Applications that invoke -** sqlite3_create_collation_v2() with a non-NULL xDestroy argument should +** sqlite3_create_collation_v2() with a non-NULL xDestroy argument should ** check the return code and dispose of the application data pointer ** themselves rather than expecting SQLite to deal with it for them. -** This is different from every other SQLite interface. The inconsistency -** is unfortunate but cannot be changed without breaking backwards +** This is different from every other SQLite interface. The inconsistency +** is unfortunate but cannot be changed without breaking backwards ** compatibility. ** ** See also: [sqlite3_collation_needed()] and [sqlite3_collation_needed16()]. */ SQLITE_API int sqlite3_create_collation( - sqlite3*, - const char *zName, - int eTextRep, + sqlite3*, + const char *zName, + int eTextRep, void *pArg, int(*xCompare)(void*,int,const void*,int,const void*) ); SQLITE_API int sqlite3_create_collation_v2( - sqlite3*, - const char *zName, - int eTextRep, + sqlite3*, + const char *zName, + int eTextRep, void *pArg, int(*xCompare)(void*,int,const void*,int,const void*), void(*xDestroy)(void*) ); SQLITE_API int sqlite3_create_collation16( - sqlite3*, + sqlite3*, const void *zName, - int eTextRep, + int eTextRep, void *pArg, int(*xCompare)(void*,int,const void*,int,const void*) ); @@ -6689,64 +6986,19 @@ SQLITE_API int sqlite3_create_collation16( ** [sqlite3_create_collation_v2()]. */ SQLITE_API int sqlite3_collation_needed( - sqlite3*, - void*, + sqlite3*, + void*, void(*)(void*,sqlite3*,int eTextRep,const char*) ); SQLITE_API int sqlite3_collation_needed16( - sqlite3*, + sqlite3*, void*, void(*)(void*,sqlite3*,int eTextRep,const void*) ); -#ifdef SQLITE_HAS_CODEC -/* -** Specify the key for an encrypted database. This routine should be -** called right after sqlite3_open(). -** -** The code to implement this API is not available in the public release -** of SQLite. -*/ -SQLITE_API int sqlite3_key( - sqlite3 *db, /* Database to be rekeyed */ - const void *pKey, int nKey /* The key */ -); -SQLITE_API int sqlite3_key_v2( - sqlite3 *db, /* Database to be rekeyed */ - const char *zDbName, /* Name of the database */ - const void *pKey, int nKey /* The key */ -); - -/* -** Change the key on an open database. If the current database is not -** encrypted, this routine will encrypt it. If pNew==0 or nNew==0, the -** database is decrypted. -** -** The code to implement this API is not available in the public release -** of SQLite. -*/ -SQLITE_API int sqlite3_rekey( - sqlite3 *db, /* Database to be rekeyed */ - const void *pKey, int nKey /* The new key */ -); -SQLITE_API int sqlite3_rekey_v2( - sqlite3 *db, /* Database to be rekeyed */ - const char *zDbName, /* Name of the database */ - const void *pKey, int nKey /* The new key */ -); - -/* -** Specify the activation key for a SEE database. Unless -** activated, none of the SEE routines will work. -*/ -SQLITE_API void sqlite3_activate_see( - const char *zPassPhrase /* Activation phrase */ -); -#endif - #ifdef SQLITE_ENABLE_CEROD /* -** Specify the activation key for a CEROD database. Unless +** Specify the activation key for a CEROD database. Unless ** activated, none of the CEROD routines will work. */ SQLITE_API void sqlite3_activate_cerod( @@ -6802,7 +7054,7 @@ SQLITE_API int sqlite3_sleep(int); ** ^The [temp_store_directory pragma] may modify this variable and cause ** it to point to memory obtained from [sqlite3_malloc]. ^Furthermore, ** the [temp_store_directory pragma] always assumes that any string -** that this variable points to is held in memory obtained from +** that this variable points to is held in memory obtained from ** [sqlite3_malloc] and the pragma may attempt to free that memory ** using [sqlite3_free]. ** Hence, if this variable is modified directly, either it should be @@ -6859,7 +7111,7 @@ SQLITE_API char *sqlite3_temp_directory; ** ^The [data_store_directory pragma] may modify this variable and cause ** it to point to memory obtained from [sqlite3_malloc]. ^Furthermore, ** the [data_store_directory pragma] always assumes that any string -** that this variable points to is held in memory obtained from +** that this variable points to is held in memory obtained from ** [sqlite3_malloc] and the pragma may attempt to free that memory ** using [sqlite3_free]. ** Hence, if this variable is modified directly, either it should be @@ -6944,16 +7196,31 @@ SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*); ** CAPI3REF: Return The Filename For A Database Connection ** METHOD: sqlite3 ** -** ^The sqlite3_db_filename(D,N) interface returns a pointer to a filename -** associated with database N of connection D. ^The main database file -** has the name "main". If there is no attached database N on the database +** ^The sqlite3_db_filename(D,N) interface returns a pointer to the filename +** associated with database N of connection D. +** ^If there is no attached database N on the database ** connection D, or if database N is a temporary or in-memory database, then ** this function will return either a NULL pointer or an empty string. ** +** ^The string value returned by this routine is owned and managed by +** the database connection. ^The value will be valid until the database N +** is [DETACH]-ed or until the database connection closes. +** ** ^The filename returned by this function is the output of the ** xFullPathname method of the [VFS]. ^In other words, the filename ** will be an absolute pathname, even if the filename used ** to open the database originally was a URI or relative pathname. +** +** If the filename pointer returned by this routine is not NULL, then it +** can be used as the filename input parameter to these routines: +** <ul> +** <li> [sqlite3_uri_parameter()] +** <li> [sqlite3_uri_boolean()] +** <li> [sqlite3_uri_int64()] +** <li> [sqlite3_filename_database()] +** <li> [sqlite3_filename_journal()] +** <li> [sqlite3_filename_wal()] +** </ul> */ SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName); @@ -7057,7 +7324,7 @@ SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); ** ^In the case of an update, this is the [rowid] after the update takes place. ** ** ^(The update hook is not invoked when internal system tables are -** modified (i.e. sqlite_master and sqlite_sequence).)^ +** modified (i.e. sqlite_sequence).)^ ** ^The update hook is not invoked when [WITHOUT ROWID] tables are modified. ** ** ^In the current implementation, the update hook @@ -7083,7 +7350,7 @@ SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); ** and [sqlite3_preupdate_hook()] interfaces. */ SQLITE_API void *sqlite3_update_hook( - sqlite3*, + sqlite3*, void(*)(void *,int ,char const *,char const *,sqlite3_int64), void* ); @@ -7097,25 +7364,29 @@ SQLITE_API void *sqlite3_update_hook( ** and disabled if the argument is false.)^ ** ** ^Cache sharing is enabled and disabled for an entire process. -** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). +** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). ** In prior versions of SQLite, ** sharing was enabled or disabled for each thread separately. ** ** ^(The cache sharing mode set by this interface effects all subsequent ** calls to [sqlite3_open()], [sqlite3_open_v2()], and [sqlite3_open16()]. -** Existing database connections continue use the sharing mode +** Existing database connections continue to use the sharing mode ** that was in effect at the time they were opened.)^ ** ** ^(This routine returns [SQLITE_OK] if shared cache was enabled or disabled ** successfully. An [error code] is returned otherwise.)^ ** -** ^Shared cache is disabled by default. But this might change in -** future releases of SQLite. Applications that care about shared -** cache setting should set it explicitly. +** ^Shared cache is disabled by default. It is recommended that it stay +** that way. In other words, do not use this routine. This interface +** continues to be provided for historical compatibility, but its use is +** discouraged. Any use of shared cache is discouraged. If shared cache +** must be used, it is recommended that shared cache only be enabled for +** individual database connections using the [sqlite3_open_v2()] interface +** with the [SQLITE_OPEN_SHAREDCACHE] flag. ** ** Note: This method is disabled on MacOS X 10.7 and iOS version 5.0 -** and will always return SQLITE_MISUSE. On those systems, -** shared cache mode should be enabled per-database connection via +** and will always return SQLITE_MISUSE. On those systems, +** shared cache mode should be enabled per-database connection via ** [sqlite3_open_v2()] with [SQLITE_OPEN_SHAREDCACHE]. ** ** This interface is threadsafe on processors where writing a @@ -7158,6 +7429,9 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); /* ** CAPI3REF: Impose A Limit On Heap Size ** +** These interfaces impose limits on the amount of heap memory that will be +** by all database connections within a single process. +** ** ^The sqlite3_soft_heap_limit64() interface sets and/or queries the ** soft limit on the amount of heap memory that may be allocated by SQLite. ** ^SQLite strives to keep heap memory utilization below the soft heap @@ -7165,23 +7439,44 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); ** as heap memory usages approaches the limit. ** ^The soft heap limit is "soft" because even though SQLite strives to stay ** below the limit, it will exceed the limit rather than generate -** an [SQLITE_NOMEM] error. In other words, the soft heap limit +** an [SQLITE_NOMEM] error. In other words, the soft heap limit ** is advisory only. ** -** ^The return value from sqlite3_soft_heap_limit64() is the size of -** the soft heap limit prior to the call, or negative in the case of an -** error. ^If the argument N is negative -** then no change is made to the soft heap limit. Hence, the current -** size of the soft heap limit can be determined by invoking -** sqlite3_soft_heap_limit64() with a negative argument. -** -** ^If the argument N is zero then the soft heap limit is disabled. +** ^The sqlite3_hard_heap_limit64(N) interface sets a hard upper bound of +** N bytes on the amount of memory that will be allocated. ^The +** sqlite3_hard_heap_limit64(N) interface is similar to +** sqlite3_soft_heap_limit64(N) except that memory allocations will fail +** when the hard heap limit is reached. ** -** ^(The soft heap limit is not enforced in the current implementation +** ^The return value from both sqlite3_soft_heap_limit64() and +** sqlite3_hard_heap_limit64() is the size of +** the heap limit prior to the call, or negative in the case of an +** error. ^If the argument N is negative +** then no change is made to the heap limit. Hence, the current +** size of heap limits can be determined by invoking +** sqlite3_soft_heap_limit64(-1) or sqlite3_hard_heap_limit(-1). +** +** ^Setting the heap limits to zero disables the heap limiter mechanism. +** +** ^The soft heap limit may not be greater than the hard heap limit. +** ^If the hard heap limit is enabled and if sqlite3_soft_heap_limit(N) +** is invoked with a value of N that is greater than the hard heap limit, +** the the soft heap limit is set to the value of the hard heap limit. +** ^The soft heap limit is automatically enabled whenever the hard heap +** limit is enabled. ^When sqlite3_hard_heap_limit64(N) is invoked and +** the soft heap limit is outside the range of 1..N, then the soft heap +** limit is set to N. ^Invoking sqlite3_soft_heap_limit64(0) when the +** hard heap limit is enabled makes the soft heap limit equal to the +** hard heap limit. +** +** The memory allocation limits can also be adjusted using +** [PRAGMA soft_heap_limit] and [PRAGMA hard_heap_limit]. +** +** ^(The heap limits are not enforced in the current implementation ** if one or more of following conditions are true: ** ** <ul> -** <li> The soft heap limit is set to zero. +** <li> The limit value is set to zero. ** <li> Memory accounting is disabled using a combination of the ** [sqlite3_config]([SQLITE_CONFIG_MEMSTATUS],...) start-time option and ** the [SQLITE_DEFAULT_MEMSTATUS] compile-time option. @@ -7192,21 +7487,11 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); ** from the heap. ** </ul>)^ ** -** Beginning with SQLite [version 3.7.3] ([dateof:3.7.3]), -** the soft heap limit is enforced -** regardless of whether or not the [SQLITE_ENABLE_MEMORY_MANAGEMENT] -** compile-time option is invoked. With [SQLITE_ENABLE_MEMORY_MANAGEMENT], -** the soft heap limit is enforced on every memory allocation. Without -** [SQLITE_ENABLE_MEMORY_MANAGEMENT], the soft heap limit is only enforced -** when memory is allocated by the page cache. Testing suggests that because -** the page cache is the predominate memory user in SQLite, most -** applications will achieve adequate soft heap limit enforcement without -** the use of [SQLITE_ENABLE_MEMORY_MANAGEMENT]. -** -** The circumstances under which SQLite will enforce the soft heap limit may +** The circumstances under which SQLite will enforce the heap limits may ** changes in future releases of SQLite. */ SQLITE_API sqlite3_int64 sqlite3_soft_heap_limit64(sqlite3_int64 N); +SQLITE_API sqlite3_int64 sqlite3_hard_heap_limit64(sqlite3_int64 N); /* ** CAPI3REF: Deprecated Soft Heap Limit Interface @@ -7230,7 +7515,7 @@ SQLITE_API SQLITE_DEPRECATED void sqlite3_soft_heap_limit(int N); ** interface returns SQLITE_OK and fills in the non-NULL pointers in ** the final five arguments with appropriate values if the specified ** column exists. ^The sqlite3_table_column_metadata() interface returns -** SQLITE_ERROR and if the specified column does not exist. +** SQLITE_ERROR if the specified column does not exist. ** ^If the column-name parameter to sqlite3_table_column_metadata() is a ** NULL pointer, then this routine simply checks for the existence of the ** table and returns SQLITE_OK if the table exists and SQLITE_ERROR if it @@ -7270,7 +7555,7 @@ SQLITE_API SQLITE_DEPRECATED void sqlite3_soft_heap_limit(int N); ** ** ^If the specified table is actually a view, an [error code] is returned. ** -** ^If the specified column is "rowid", "oid" or "_rowid_" and the table +** ^If the specified column is "rowid", "oid" or "_rowid_" and the table ** is not a [WITHOUT ROWID] table and an ** [INTEGER PRIMARY KEY] column has been explicitly declared, then the output ** parameters are set for the explicitly declared column. ^(If there is no @@ -7336,7 +7621,7 @@ SQLITE_API int sqlite3_table_column_metadata( ** prior to calling this API, ** otherwise an error will be returned. ** -** <b>Security warning:</b> It is recommended that the +** <b>Security warning:</b> It is recommended that the ** [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method be used to enable only this ** interface. The use of the [sqlite3_enable_load_extension()] interface ** should be avoided. This will keep the SQL function [load_extension()] @@ -7372,7 +7657,7 @@ SQLITE_API int sqlite3_load_extension( ** to enable or disable only the C-API.)^ ** ** <b>Security warning:</b> It is recommended that extension loading -** be disabled using the [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method +** be enabled using the [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method ** rather than this interface, so the [load_extension()] SQL function ** remains disabled. This will prevent SQL injections from giving attackers ** access to extension loading capabilities. @@ -7423,7 +7708,7 @@ SQLITE_API int sqlite3_auto_extension(void(*xEntryPoint)(void)); ** ^The [sqlite3_cancel_auto_extension(X)] interface unregisters the ** initialization routine X that was registered using a prior call to ** [sqlite3_auto_extension(X)]. ^The [sqlite3_cancel_auto_extension(X)] -** routine returns 1 if initialization routine X was successfully +** routine returns 1 if initialization routine X was successfully ** unregistered and it returns 0 if X was not on the list of initialization ** routines. */ @@ -7458,8 +7743,8 @@ typedef struct sqlite3_module sqlite3_module; ** CAPI3REF: Virtual Table Object ** KEYWORDS: sqlite3_module {virtual table module} ** -** This structure, sometimes called a "virtual table module", -** defines the implementation of a [virtual tables]. +** This structure, sometimes called a "virtual table module", +** defines the implementation of a [virtual table]. ** This structure consists mostly of methods for the module. ** ** ^A virtual table module is created by filling in a persistent @@ -7498,7 +7783,7 @@ struct sqlite3_module { void (**pxFunc)(sqlite3_context*,int,sqlite3_value**), void **ppArg); int (*xRename)(sqlite3_vtab *pVtab, const char *zNew); - /* The methods above are in version 1 of the sqlite_module object. Those + /* The methods above are in version 1 of the sqlite_module object. Those ** below are for version 2 and greater. */ int (*xSavepoint)(sqlite3_vtab *pVTab, int); int (*xRelease)(sqlite3_vtab *pVTab, int); @@ -7548,7 +7833,7 @@ struct sqlite3_module { ** required by SQLite. If the table has at least 64 columns and any column ** to the right of the first 63 is required, then bit 63 of colUsed is also ** set. In other words, column iCol may be required if the expression -** (colUsed & ((sqlite3_uint64)1 << (iCol>=63 ? 63 : iCol))) evaluates to +** (colUsed & ((sqlite3_uint64)1 << (iCol>=63 ? 63 : iCol))) evaluates to ** non-zero. ** ** The [xBestIndex] method must fill aConstraintUsage[] with information @@ -7556,7 +7841,13 @@ struct sqlite3_module { ** the right-hand side of the corresponding aConstraint[] is evaluated ** and becomes the argvIndex-th entry in argv. ^(If aConstraintUsage[].omit ** is true, then the constraint is assumed to be fully handled by the -** virtual table and is not checked again by SQLite.)^ +** virtual table and might not be checked again by the byte code.)^ ^(The +** aConstraintUsage[].omit flag is an optimization hint. When the omit flag +** is left in its default setting of false, the constraint will always be +** checked separately in byte code. If the omit flag is change to true, then +** the constraint may or may not be checked in byte code. In other words, +** when the omit flag is true there is no guarantee that the constraint will +** not be checked again using byte code.)^ ** ** ^The idxNum and idxPtr values are recorded and passed into the ** [xFilter] method. @@ -7569,17 +7860,17 @@ struct sqlite3_module { ** ** ^The estimatedCost value is an estimate of the cost of a particular ** strategy. A cost of N indicates that the cost of the strategy is similar -** to a linear scan of an SQLite table with N rows. A cost of log(N) +** to a linear scan of an SQLite table with N rows. A cost of log(N) ** indicates that the expense of the operation is similar to that of a ** binary search on a unique indexed field of an SQLite table with N rows. ** ** ^The estimatedRows value is an estimate of the number of rows that ** will be returned by the strategy. ** -** The xBestIndex method may optionally populate the idxFlags field with a +** The xBestIndex method may optionally populate the idxFlags field with a ** mask of SQLITE_INDEX_SCAN_* flags. Currently there is only one such flag - ** SQLITE_INDEX_SCAN_UNIQUE. If the xBestIndex method sets this flag, SQLite -** assumes that the strategy may visit at most one row. +** assumes that the strategy may visit at most one row. ** ** Additionally, if xBestIndex sets the SQLITE_INDEX_SCAN_UNIQUE flag, then ** SQLite also assumes that if a call to the xUpdate() method is made as @@ -7592,14 +7883,14 @@ struct sqlite3_module { ** the xUpdate method are automatically rolled back by SQLite. ** ** IMPORTANT: The estimatedRows field was added to the sqlite3_index_info -** structure for SQLite [version 3.8.2] ([dateof:3.8.2]). +** structure for SQLite [version 3.8.2] ([dateof:3.8.2]). ** If a virtual table extension is -** used with an SQLite version earlier than 3.8.2, the results of attempting -** to read or write the estimatedRows field are undefined (but are likely -** to included crashing the application). The estimatedRows field should +** used with an SQLite version earlier than 3.8.2, the results of attempting +** to read or write the estimatedRows field are undefined (but are likely +** to include crashing the application). The estimatedRows field should ** therefore only be used if [sqlite3_libversion_number()] returns a ** value greater than or equal to 3008002. Similarly, the idxFlags field -** was added for [version 3.9.0] ([dateof:3.9.0]). +** was added for [version 3.9.0] ([dateof:3.9.0]). ** It may therefore only be used if ** sqlite3_libversion_number() returns a value greater than or equal to ** 3009000. @@ -7639,7 +7930,7 @@ struct sqlite3_index_info { /* ** CAPI3REF: Virtual Table Scan Flags ** -** Virtual table implementations are allowed to set the +** Virtual table implementations are allowed to set the ** [sqlite3_index_info].idxFlags field to some combination of ** these bits. */ @@ -7648,7 +7939,7 @@ struct sqlite3_index_info { /* ** CAPI3REF: Virtual Table Constraint Operator Codes ** -** These macros defined the allowed values for the +** These macros define the allowed values for the ** [sqlite3_index_info].aConstraint[].op field. Each value represents ** an operator that is part of a constraint term in the wHERE clause of ** a query that uses a [virtual table]. @@ -7679,7 +7970,7 @@ struct sqlite3_index_info { ** preexisting [virtual table] for the module. ** ** ^The module name is registered on the [database connection] specified -** by the first parameter. ^The name of the module is given by the +** by the first parameter. ^The name of the module is given by the ** second parameter. ^The third parameter is a pointer to ** the implementation of the [virtual table module]. ^The fourth ** parameter is an arbitrary client data pointer that is passed through @@ -7794,7 +8085,7 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3*, const char *zSQL); ** METHOD: sqlite3 ** ** ^(Virtual tables can provide alternative implementations of functions -** using the [xFindFunction] method of the [virtual table module]. +** using the [xFindFunction] method of the [virtual table module]. ** But global versions of those functions ** must exist in order to be overloaded.)^ ** @@ -7845,7 +8136,7 @@ typedef struct sqlite3_blob sqlite3_blob; ** SELECT zColumn FROM zDb.zTable WHERE [rowid] = iRow; ** </pre>)^ ** -** ^(Parameter zDb is not the filename that contains the database, but +** ^(Parameter zDb is not the filename that contains the database, but ** rather the symbolic name of the database. For attached databases, this is ** the name that appears after the AS keyword in the [ATTACH] statement. ** For the main database file, the database name is "main". For TEMP @@ -7858,28 +8149,28 @@ typedef struct sqlite3_blob sqlite3_blob; ** ^(On success, [SQLITE_OK] is returned and the new [BLOB handle] is stored ** in *ppBlob. Otherwise an [error code] is returned and, unless the error ** code is SQLITE_MISUSE, *ppBlob is set to NULL.)^ ^This means that, provided -** the API is not misused, it is always safe to call [sqlite3_blob_close()] +** the API is not misused, it is always safe to call [sqlite3_blob_close()] ** on *ppBlob after this function it returns. ** ** This function fails with SQLITE_ERROR if any of the following are true: ** <ul> -** <li> ^(Database zDb does not exist)^, -** <li> ^(Table zTable does not exist within database zDb)^, -** <li> ^(Table zTable is a WITHOUT ROWID table)^, +** <li> ^(Database zDb does not exist)^, +** <li> ^(Table zTable does not exist within database zDb)^, +** <li> ^(Table zTable is a WITHOUT ROWID table)^, ** <li> ^(Column zColumn does not exist)^, ** <li> ^(Row iRow is not present in the table)^, ** <li> ^(The specified column of row iRow contains a value that is not ** a TEXT or BLOB value)^, -** <li> ^(Column zColumn is part of an index, PRIMARY KEY or UNIQUE +** <li> ^(Column zColumn is part of an index, PRIMARY KEY or UNIQUE ** constraint and the blob is being opened for read/write access)^, -** <li> ^([foreign key constraints | Foreign key constraints] are enabled, +** <li> ^([foreign key constraints | Foreign key constraints] are enabled, ** column zColumn is part of a [child key] definition and the blob is ** being opened for read/write access)^. ** </ul> ** -** ^Unless it returns SQLITE_MISUSE, this function sets the -** [database connection] error code and message accessible via -** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. +** ^Unless it returns SQLITE_MISUSE, this function sets the +** [database connection] error code and message accessible via +** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. ** ** A BLOB referenced by sqlite3_blob_open() may be read using the ** [sqlite3_blob_read()] interface and modified by using @@ -7905,7 +8196,7 @@ typedef struct sqlite3_blob sqlite3_blob; ** blob. ** ** ^The [sqlite3_bind_zeroblob()] and [sqlite3_result_zeroblob()] interfaces -** and the built-in [zeroblob] SQL function may be used to create a +** and the built-in [zeroblob] SQL function may be used to create a ** zero-filled blob to read or write using the incremental-blob interface. ** ** To avoid a resource leak, every open [BLOB handle] should eventually @@ -7955,7 +8246,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *, sqlite3_int64); ** DESTRUCTOR: sqlite3_blob ** ** ^This function closes an open [BLOB handle]. ^(The BLOB handle is closed -** unconditionally. Even if this routine returns an error code, the +** unconditionally. Even if this routine returns an error code, the ** handle is still closed.)^ ** ** ^If the blob handle being closed was opened for read-write access, and if @@ -7965,10 +8256,10 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *, sqlite3_int64); ** code is returned and the transaction rolled back. ** ** Calling this function with an argument that is not a NULL pointer or an -** open blob handle results in undefined behaviour. ^Calling this routine -** with a null pointer (such as would be returned by a failed call to +** open blob handle results in undefined behaviour. ^Calling this routine +** with a null pointer (such as would be returned by a failed call to ** [sqlite3_blob_open()]) is a harmless no-op. ^Otherwise, if this function -** is passed a valid open blob handle, the values returned by the +** is passed a valid open blob handle, the values returned by the ** sqlite3_errcode() and sqlite3_errmsg() functions are set before returning. */ SQLITE_API int sqlite3_blob_close(sqlite3_blob *); @@ -7977,7 +8268,7 @@ SQLITE_API int sqlite3_blob_close(sqlite3_blob *); ** CAPI3REF: Return The Size Of An Open BLOB ** METHOD: sqlite3_blob ** -** ^Returns the size in bytes of the BLOB accessible via the +** ^Returns the size in bytes of the BLOB accessible via the ** successfully opened [BLOB handle] in its only argument. ^The ** incremental blob I/O routines can only read or overwriting existing ** blob content; they cannot change the size of a blob. @@ -8028,9 +8319,9 @@ SQLITE_API int sqlite3_blob_read(sqlite3_blob *, void *Z, int N, int iOffset); ** ** ^(On success, sqlite3_blob_write() returns SQLITE_OK. ** Otherwise, an [error code] or an [extended error code] is returned.)^ -** ^Unless SQLITE_MISUSE is returned, this function sets the -** [database connection] error code and message accessible via -** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. +** ^Unless SQLITE_MISUSE is returned, this function sets the +** [database connection] error code and message accessible via +** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. ** ** ^If the [BLOB handle] passed as the first argument was not opened for ** writing (the flags parameter to [sqlite3_blob_open()] was zero), @@ -8039,9 +8330,9 @@ SQLITE_API int sqlite3_blob_read(sqlite3_blob *, void *Z, int N, int iOffset); ** This function may only modify the contents of the BLOB; it is ** not possible to increase the size of a BLOB using this API. ** ^If offset iOffset is less than N bytes from the end of the BLOB, -** [SQLITE_ERROR] is returned and no data is written. The size of the -** BLOB (and hence the maximum value of N+iOffset) can be determined -** using the [sqlite3_blob_bytes()] interface. ^If N or iOffset are less +** [SQLITE_ERROR] is returned and no data is written. The size of the +** BLOB (and hence the maximum value of N+iOffset) can be determined +** using the [sqlite3_blob_bytes()] interface. ^If N or iOffset are less ** than zero [SQLITE_ERROR] is returned and no data is written. ** ** ^An attempt to write to an expired [BLOB handle] fails with an @@ -8135,7 +8426,7 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** <ul> ** <li> SQLITE_MUTEX_FAST ** <li> SQLITE_MUTEX_RECURSIVE -** <li> SQLITE_MUTEX_STATIC_MASTER +** <li> SQLITE_MUTEX_STATIC_MAIN ** <li> SQLITE_MUTEX_STATIC_MEM ** <li> SQLITE_MUTEX_STATIC_OPEN ** <li> SQLITE_MUTEX_STATIC_PRNG @@ -8193,7 +8484,7 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** ^(Some systems (for example, Windows 95) do not support the operation ** implemented by sqlite3_mutex_try(). On those systems, sqlite3_mutex_try() ** will always return SQLITE_BUSY. The SQLite core only ever uses -** sqlite3_mutex_try() as an optimization so this is acceptable +** sqlite3_mutex_try() as an optimization so this is acceptable ** behavior.)^ ** ** ^The sqlite3_mutex_leave() routine exits a mutex that was @@ -8258,7 +8549,7 @@ SQLITE_API void sqlite3_mutex_leave(sqlite3_mutex*); ** The only difference is that the public sqlite3_XXX functions enumerated ** above silently ignore any invocations that pass a NULL pointer instead ** of a valid mutex handle. The implementations of the methods defined -** by this structure are not required to handle this case, the results +** by this structure are not required to handle this case. The results ** of passing a NULL pointer instead of a valid mutex handle are undefined ** (i.e. it is acceptable to provide an implementation that segfaults if ** it is passed a NULL pointer). @@ -8337,7 +8628,7 @@ SQLITE_API int sqlite3_mutex_notheld(sqlite3_mutex*); */ #define SQLITE_MUTEX_FAST 0 #define SQLITE_MUTEX_RECURSIVE 1 -#define SQLITE_MUTEX_STATIC_MASTER 2 +#define SQLITE_MUTEX_STATIC_MAIN 2 #define SQLITE_MUTEX_STATIC_MEM 3 /* sqlite3_malloc() */ #define SQLITE_MUTEX_STATIC_MEM2 4 /* NOT USED */ #define SQLITE_MUTEX_STATIC_OPEN 4 /* sqlite3BtreeOpen() */ @@ -8352,11 +8643,15 @@ SQLITE_API int sqlite3_mutex_notheld(sqlite3_mutex*); #define SQLITE_MUTEX_STATIC_VFS2 12 /* For use by extension VFS */ #define SQLITE_MUTEX_STATIC_VFS3 13 /* For use by application VFS */ +/* Legacy compatibility: */ +#define SQLITE_MUTEX_STATIC_MASTER 2 + + /* ** CAPI3REF: Retrieve the mutex for a database connection ** METHOD: sqlite3 ** -** ^This interface returns a pointer the [sqlite3_mutex] object that +** ^This interface returns a pointer the [sqlite3_mutex] object that ** serializes access to the [database connection] given in the argument ** when the [threading mode] is Serialized. ** ^If the [threading mode] is Single-thread or Multi-thread then this @@ -8383,7 +8678,7 @@ SQLITE_API sqlite3_mutex *sqlite3_db_mutex(sqlite3*); ** method becomes the return value of this routine. ** ** A few opcodes for [sqlite3_file_control()] are handled directly -** by the SQLite core and never invoke the +** by the SQLite core and never invoke the ** sqlite3_io_methods.xFileControl method. ** ^The [SQLITE_FCNTL_FILE_POINTER] value for the op parameter causes ** a pointer to the underlying [sqlite3_file] object to be written into @@ -8447,7 +8742,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_PENDING_BYTE 11 #define SQLITE_TESTCTRL_ASSERT 12 #define SQLITE_TESTCTRL_ALWAYS 13 -#define SQLITE_TESTCTRL_RESERVE 14 +#define SQLITE_TESTCTRL_RESERVE 14 /* NOT USED */ #define SQLITE_TESTCTRL_OPTIMIZATIONS 15 #define SQLITE_TESTCTRL_ISKEYWORD 16 /* NOT USED */ #define SQLITE_TESTCTRL_SCRATCHMALLOC 17 /* NOT USED */ @@ -8470,7 +8765,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); /* ** CAPI3REF: SQL Keyword Checking ** -** These routines provide access to the set of SQL language keywords +** These routines provide access to the set of SQL language keywords ** recognized by SQLite. Applications can uses these routines to determine ** whether or not a specific identifier needs to be escaped (for example, ** by enclosing in double-quotes) so as not to confuse the parser. @@ -8542,14 +8837,14 @@ typedef struct sqlite3_str sqlite3_str; ** ** ^The [sqlite3_str_new(D)] interface allocates and initializes ** a new [sqlite3_str] object. To avoid memory leaks, the object returned by -** [sqlite3_str_new()] must be freed by a subsequent call to +** [sqlite3_str_new()] must be freed by a subsequent call to ** [sqlite3_str_finish(X)]. ** ** ^The [sqlite3_str_new(D)] interface always returns a pointer to a ** valid [sqlite3_str] object, though in the event of an out-of-memory ** error the returned object might be a special singleton that will -** silently reject new text, always return SQLITE_NOMEM from -** [sqlite3_str_errcode()], always return 0 for +** silently reject new text, always return SQLITE_NOMEM from +** [sqlite3_str_errcode()], always return 0 for ** [sqlite3_str_length()], and always return NULL from ** [sqlite3_str_finish(X)]. It is always safe to use the value ** returned by [sqlite3_str_new(D)] as the sqlite3_str parameter @@ -8585,9 +8880,9 @@ SQLITE_API char *sqlite3_str_finish(sqlite3_str*); ** These interfaces add content to an sqlite3_str object previously obtained ** from [sqlite3_str_new()]. ** -** ^The [sqlite3_str_appendf(X,F,...)] and +** ^The [sqlite3_str_appendf(X,F,...)] and ** [sqlite3_str_vappendf(X,F,V)] interfaces uses the [built-in printf] -** functionality of SQLite to append formatted text onto the end of +** functionality of SQLite to append formatted text onto the end of ** [sqlite3_str] object X. ** ** ^The [sqlite3_str_append(X,S,N)] method appends exactly N bytes from string S @@ -8604,7 +8899,7 @@ SQLITE_API char *sqlite3_str_finish(sqlite3_str*); ** ^This method can be used, for example, to add whitespace indentation. ** ** ^The [sqlite3_str_reset(X)] method resets the string under construction -** inside [sqlite3_str] object X back to zero bytes in length. +** inside [sqlite3_str] object X back to zero bytes in length. ** ** These methods do not return a result code. ^If an error occurs, that fact ** is recorded in the [sqlite3_str] object and can be recovered by a @@ -8706,7 +9001,7 @@ SQLITE_API int sqlite3_status64( ** <dd>This parameter records the largest memory allocation request ** handed to [sqlite3_malloc()] or [sqlite3_realloc()] (or their ** internal equivalents). Only the value returned in the -** *pHighwater parameter to [sqlite3_status()] is of interest. +** *pHighwater parameter to [sqlite3_status()] is of interest. ** The value written into the *pCurrent parameter is undefined.</dd>)^ ** ** [[SQLITE_STATUS_MALLOC_COUNT]] ^(<dt>SQLITE_STATUS_MALLOC_COUNT</dt> @@ -8715,11 +9010,11 @@ SQLITE_API int sqlite3_status64( ** ** [[SQLITE_STATUS_PAGECACHE_USED]] ^(<dt>SQLITE_STATUS_PAGECACHE_USED</dt> ** <dd>This parameter returns the number of pages used out of the -** [pagecache memory allocator] that was configured using +** [pagecache memory allocator] that was configured using ** [SQLITE_CONFIG_PAGECACHE]. The ** value returned is in pages, not in bytes.</dd>)^ ** -** [[SQLITE_STATUS_PAGECACHE_OVERFLOW]] +** [[SQLITE_STATUS_PAGECACHE_OVERFLOW]] ** ^(<dt>SQLITE_STATUS_PAGECACHE_OVERFLOW</dt> ** <dd>This parameter returns the number of bytes of page cache ** allocation which could not be satisfied by the [SQLITE_CONFIG_PAGECACHE] @@ -8731,8 +9026,8 @@ SQLITE_API int sqlite3_status64( ** ** [[SQLITE_STATUS_PAGECACHE_SIZE]] ^(<dt>SQLITE_STATUS_PAGECACHE_SIZE</dt> ** <dd>This parameter records the largest memory allocation request -** handed to [pagecache memory allocator]. Only the value returned in the -** *pHighwater parameter to [sqlite3_status()] is of interest. +** handed to the [pagecache memory allocator]. Only the value returned in the +** *pHighwater parameter to [sqlite3_status()] is of interest. ** The value written into the *pCurrent parameter is undefined.</dd>)^ ** ** [[SQLITE_STATUS_SCRATCH_USED]] <dt>SQLITE_STATUS_SCRATCH_USED</dt> @@ -8745,7 +9040,7 @@ SQLITE_API int sqlite3_status64( ** <dd>No longer used.</dd> ** ** [[SQLITE_STATUS_PARSER_STACK]] ^(<dt>SQLITE_STATUS_PARSER_STACK</dt> -** <dd>The *pHighwater parameter records the deepest parser stack. +** <dd>The *pHighwater parameter records the deepest parser stack. ** The *pCurrent value is undefined. The *pHighwater value is only ** meaningful if SQLite is compiled with [YYTRACKMAXSTACKDEPTH].</dd>)^ ** </dl> @@ -8767,12 +9062,12 @@ SQLITE_API int sqlite3_status64( ** CAPI3REF: Database Connection Status ** METHOD: sqlite3 ** -** ^This interface is used to retrieve runtime status information +** ^This interface is used to retrieve runtime status information ** about a single [database connection]. ^The first argument is the ** database connection object to be interrogated. ^The second argument ** is an integer constant, taken from the set of ** [SQLITE_DBSTATUS options], that -** determines the parameter to interrogate. The set of +** determines the parameter to interrogate. The set of ** [SQLITE_DBSTATUS options] is likely ** to grow in future releases of SQLite. ** @@ -8807,7 +9102,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** checked out.</dd>)^ ** ** [[SQLITE_DBSTATUS_LOOKASIDE_HIT]] ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_HIT</dt> -** <dd>This parameter returns the number malloc attempts that were +** <dd>This parameter returns the number of malloc attempts that were ** satisfied using lookaside memory. Only the high-water value is meaningful; ** the current value is always zero.)^ ** @@ -8832,7 +9127,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** memory used by all pager caches associated with the database connection.)^ ** ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_USED is always 0. ** -** [[SQLITE_DBSTATUS_CACHE_USED_SHARED]] +** [[SQLITE_DBSTATUS_CACHE_USED_SHARED]] ** ^(<dt>SQLITE_DBSTATUS_CACHE_USED_SHARED</dt> ** <dd>This parameter is similar to DBSTATUS_CACHE_USED, except that if a ** pager cache is shared between two or more connections the bytes of heap @@ -8847,7 +9142,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** [[SQLITE_DBSTATUS_SCHEMA_USED]] ^(<dt>SQLITE_DBSTATUS_SCHEMA_USED</dt> ** <dd>This parameter returns the approximate number of bytes of heap ** memory used to store the schema for all databases associated -** with the connection - main, temp, and any [ATTACH]-ed databases.)^ +** with the connection - main, temp, and any [ATTACH]-ed databases.)^ ** ^The full amount of memory used by the schemas is reported, even if the ** schema memory is shared with other database connections due to ** [shared cache mode] being enabled. @@ -8862,13 +9157,13 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** ** [[SQLITE_DBSTATUS_CACHE_HIT]] ^(<dt>SQLITE_DBSTATUS_CACHE_HIT</dt> ** <dd>This parameter returns the number of pager cache hits that have -** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_HIT +** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_HIT ** is always 0. ** </dd> ** ** [[SQLITE_DBSTATUS_CACHE_MISS]] ^(<dt>SQLITE_DBSTATUS_CACHE_MISS</dt> ** <dd>This parameter returns the number of pager cache misses that have -** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_MISS +** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_MISS ** is always 0. ** </dd> ** @@ -8889,7 +9184,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** cache overflowing. Transactions are more efficient if they are written ** to disk all at once. When pages spill mid-transaction, that introduces ** additional overhead. This parameter can be used help identify -** inefficiencies that can be resolve by increasing the cache size. +** inefficiencies that can be resolved by increasing the cache size. ** </dd> ** ** [[SQLITE_DBSTATUS_DEFERRED_FKS]] ^(<dt>SQLITE_DBSTATUS_DEFERRED_FKS</dt> @@ -8926,7 +9221,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** statements. For example, if the number of table steps greatly exceeds ** the number of table searches or result rows, that would tend to indicate ** that the prepared statement is using a full table scan rather than -** an index. +** an index. ** ** ^(This interface is used to retrieve and reset counter values from ** a [prepared statement]. The first argument is the prepared statement @@ -8953,7 +9248,7 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); ** [[SQLITE_STMTSTATUS_FULLSCAN_STEP]] <dt>SQLITE_STMTSTATUS_FULLSCAN_STEP</dt> ** <dd>^This is the number of times that SQLite has stepped forward in ** a table as part of a full table scan. Large numbers for this counter -** may indicate opportunities for performance improvement through +** may indicate opportunities for performance improvement through ** careful use of indices.</dd> ** ** [[SQLITE_STMTSTATUS_SORT]] <dt>SQLITE_STMTSTATUS_SORT</dt> @@ -8971,14 +9266,14 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); ** [[SQLITE_STMTSTATUS_VM_STEP]] <dt>SQLITE_STMTSTATUS_VM_STEP</dt> ** <dd>^This is the number of virtual machine operations executed ** by the prepared statement if that number is less than or equal -** to 2147483647. The number of virtual machine operations can be +** to 2147483647. The number of virtual machine operations can be ** used as a proxy for the total work done by the prepared statement. ** If the number of virtual machine operations exceeds 2147483647 ** then the value returned by this statement status code is undefined. ** ** [[SQLITE_STMTSTATUS_REPREPARE]] <dt>SQLITE_STMTSTATUS_REPREPARE</dt> ** <dd>^This is the number of times that the prepare statement has been -** automatically regenerated due to schema changes or change to +** automatically regenerated due to schema changes or changes to ** [bound parameters] that might affect the query plan. ** ** [[SQLITE_STMTSTATUS_RUN]] <dt>SQLITE_STMTSTATUS_RUN</dt> @@ -9038,15 +9333,15 @@ struct sqlite3_pcache_page { ** KEYWORDS: {page cache} ** ** ^(The [sqlite3_config]([SQLITE_CONFIG_PCACHE2], ...) interface can -** register an alternative page cache implementation by passing in an +** register an alternative page cache implementation by passing in an ** instance of the sqlite3_pcache_methods2 structure.)^ -** In many applications, most of the heap memory allocated by +** In many applications, most of the heap memory allocated by ** SQLite is used for the page cache. -** By implementing a +** By implementing a ** custom page cache using this API, an application can better control -** the amount of memory consumed by SQLite, the way in which -** that memory is allocated and released, and the policies used to -** determine exactly which parts of a database file are cached and for +** the amount of memory consumed by SQLite, the way in which +** that memory is allocated and released, and the policies used to +** determine exactly which parts of a database file are cached and for ** how long. ** ** The alternative page cache mechanism is an @@ -9059,19 +9354,19 @@ struct sqlite3_pcache_page { ** [sqlite3_config()] returns.)^ ** ** [[the xInit() page cache method]] -** ^(The xInit() method is called once for each effective +** ^(The xInit() method is called once for each effective ** call to [sqlite3_initialize()])^ ** (usually only once during the lifetime of the process). ^(The xInit() ** method is passed a copy of the sqlite3_pcache_methods2.pArg value.)^ -** The intent of the xInit() method is to set up global data structures -** required by the custom page cache implementation. -** ^(If the xInit() method is NULL, then the +** The intent of the xInit() method is to set up global data structures +** required by the custom page cache implementation. +** ^(If the xInit() method is NULL, then the ** built-in default page cache is used instead of the application defined ** page cache.)^ ** ** [[the xShutdown() page cache method]] ** ^The xShutdown() method is called by [sqlite3_shutdown()]. -** It can be used to clean up +** It can be used to clean up ** any outstanding resources before process shutdown, if required. ** ^The xShutdown() method may be NULL. ** @@ -9090,7 +9385,7 @@ struct sqlite3_pcache_page { ** though this is not guaranteed. ^The ** first parameter, szPage, is the size in bytes of the pages that must ** be allocated by the cache. ^szPage will always a power of two. ^The -** second parameter szExtra is a number of bytes of extra storage +** second parameter szExtra is a number of bytes of extra storage ** associated with each page cache entry. ^The szExtra parameter will ** a number less than 250. SQLite will use the ** extra szExtra bytes on each page to store metadata about the underlying @@ -9103,7 +9398,7 @@ struct sqlite3_pcache_page { ** it is purely advisory. ^On a cache where bPurgeable is false, SQLite will ** never invoke xUnpin() except to deliberately delete a page. ** ^In other words, calls to xUnpin() on a cache with bPurgeable set to -** false will always have the "discard" flag set to true. +** false will always have the "discard" flag set to true. ** ^Hence, a cache created with bPurgeable false will ** never contain any unpinned pages. ** @@ -9118,12 +9413,12 @@ struct sqlite3_pcache_page { ** [[the xPagecount() page cache methods]] ** The xPagecount() method must return the number of pages currently ** stored in the cache, both pinned and unpinned. -** +** ** [[the xFetch() page cache methods]] -** The xFetch() method locates a page in the cache and returns a pointer to +** The xFetch() method locates a page in the cache and returns a pointer to ** an sqlite3_pcache_page object associated with that page, or a NULL pointer. ** The pBuf element of the returned sqlite3_pcache_page object will be a -** pointer to a buffer of szPage bytes used to store the content of a +** pointer to a buffer of szPage bytes used to store the content of a ** single database page. The pExtra element of sqlite3_pcache_page will be ** a pointer to the szExtra bytes of extra storage that SQLite has requested ** for each entry in the page cache. @@ -9149,7 +9444,7 @@ struct sqlite3_pcache_page { ** ** ^(SQLite will normally invoke xFetch() with a createFlag of 0 or 1. SQLite ** will only use a createFlag of 2 after a prior call with a createFlag of 1 -** failed.)^ In between the to xFetch() calls, SQLite may +** failed.)^ In between the xFetch() calls, SQLite may ** attempt to unpin one or more cache pages by spilling the content of ** pinned pages to disk and synching the operating system disk cache. ** @@ -9162,8 +9457,8 @@ struct sqlite3_pcache_page { ** page cache implementation. ^The page cache implementation ** may choose to evict unpinned pages at any time. ** -** The cache must not perform any reference counting. A single -** call to xUnpin() unpins the page regardless of the number of prior calls +** The cache must not perform any reference counting. A single +** call to xUnpin() unpins the page regardless of the number of prior calls ** to xFetch(). ** ** [[the xRekey() page cache methods]] @@ -9203,7 +9498,7 @@ struct sqlite3_pcache_methods2 { int (*xPagecount)(sqlite3_pcache*); sqlite3_pcache_page *(*xFetch)(sqlite3_pcache*, unsigned key, int createFlag); void (*xUnpin)(sqlite3_pcache*, sqlite3_pcache_page*, int discard); - void (*xRekey)(sqlite3_pcache*, sqlite3_pcache_page*, + void (*xRekey)(sqlite3_pcache*, sqlite3_pcache_page*, unsigned oldKey, unsigned newKey); void (*xTruncate)(sqlite3_pcache*, unsigned iLimit); void (*xDestroy)(sqlite3_pcache*); @@ -9248,7 +9543,7 @@ typedef struct sqlite3_backup sqlite3_backup; ** ** The backup API copies the content of one database into another. ** It is useful either for creating backups of databases or -** for copying in-memory databases to or from persistent files. +** for copying in-memory databases to or from persistent files. ** ** See Also: [Using the SQLite Online Backup API] ** @@ -9259,36 +9554,36 @@ typedef struct sqlite3_backup sqlite3_backup; ** ^Thus, the backup may be performed on a live source database without ** preventing other database connections from ** reading or writing to the source database while the backup is underway. -** -** ^(To perform a backup operation: +** +** ^(To perform a backup operation: ** <ol> ** <li><b>sqlite3_backup_init()</b> is called once to initialize the -** backup, -** <li><b>sqlite3_backup_step()</b> is called one or more times to transfer +** backup, +** <li><b>sqlite3_backup_step()</b> is called one or more times to transfer ** the data between the two databases, and finally -** <li><b>sqlite3_backup_finish()</b> is called to release all resources -** associated with the backup operation. +** <li><b>sqlite3_backup_finish()</b> is called to release all resources +** associated with the backup operation. ** </ol>)^ ** There should be exactly one call to sqlite3_backup_finish() for each ** successful call to sqlite3_backup_init(). ** ** [[sqlite3_backup_init()]] <b>sqlite3_backup_init()</b> ** -** ^The D and N arguments to sqlite3_backup_init(D,N,S,M) are the -** [database connection] associated with the destination database +** ^The D and N arguments to sqlite3_backup_init(D,N,S,M) are the +** [database connection] associated with the destination database ** and the database name, respectively. ** ^The database name is "main" for the main database, "temp" for the ** temporary database, or the name specified after the AS keyword in ** an [ATTACH] statement for an attached database. -** ^The S and M arguments passed to +** ^The S and M arguments passed to ** sqlite3_backup_init(D,N,S,M) identify the [database connection] ** and database name of the source database, respectively. ** ^The source and destination [database connections] (parameters S and D) ** must be different or else sqlite3_backup_init(D,N,S,M) will fail with ** an error. ** -** ^A call to sqlite3_backup_init() will fail, returning NULL, if -** there is already a read or read-write transaction open on the +** ^A call to sqlite3_backup_init() will fail, returning NULL, if +** there is already a read or read-write transaction open on the ** destination database. ** ** ^If an error occurs within sqlite3_backup_init(D,N,S,M), then NULL is @@ -9300,14 +9595,14 @@ typedef struct sqlite3_backup sqlite3_backup; ** ^A successful call to sqlite3_backup_init() returns a pointer to an ** [sqlite3_backup] object. ** ^The [sqlite3_backup] object may be used with the sqlite3_backup_step() and -** sqlite3_backup_finish() functions to perform the specified backup +** sqlite3_backup_finish() functions to perform the specified backup ** operation. ** ** [[sqlite3_backup_step()]] <b>sqlite3_backup_step()</b> ** -** ^Function sqlite3_backup_step(B,N) will copy up to N pages between +** ^Function sqlite3_backup_step(B,N) will copy up to N pages between ** the source and destination databases specified by [sqlite3_backup] object B. -** ^If N is negative, all remaining source pages are copied. +** ^If N is negative, all remaining source pages are copied. ** ^If sqlite3_backup_step(B,N) successfully copies N pages and there ** are still more pages to be copied, then the function returns [SQLITE_OK]. ** ^If sqlite3_backup_step(B,N) successfully finishes copying all pages @@ -9329,8 +9624,8 @@ typedef struct sqlite3_backup sqlite3_backup; ** ** ^If sqlite3_backup_step() cannot obtain a required file-system lock, then ** the [sqlite3_busy_handler | busy-handler function] -** is invoked (if one is specified). ^If the -** busy-handler returns non-zero before the lock is available, then +** is invoked (if one is specified). ^If the +** busy-handler returns non-zero before the lock is available, then ** [SQLITE_BUSY] is returned to the caller. ^In this case the call to ** sqlite3_backup_step() can be retried later. ^If the source ** [database connection] @@ -9338,15 +9633,15 @@ typedef struct sqlite3_backup sqlite3_backup; ** is called, then [SQLITE_LOCKED] is returned immediately. ^Again, in this ** case the call to sqlite3_backup_step() can be retried later on. ^(If ** [SQLITE_IOERR_ACCESS | SQLITE_IOERR_XXX], [SQLITE_NOMEM], or -** [SQLITE_READONLY] is returned, then -** there is no point in retrying the call to sqlite3_backup_step(). These -** errors are considered fatal.)^ The application must accept -** that the backup operation has failed and pass the backup operation handle +** [SQLITE_READONLY] is returned, then +** there is no point in retrying the call to sqlite3_backup_step(). These +** errors are considered fatal.)^ The application must accept +** that the backup operation has failed and pass the backup operation handle ** to the sqlite3_backup_finish() to release associated resources. ** ** ^The first call to sqlite3_backup_step() obtains an exclusive lock -** on the destination file. ^The exclusive lock is not released until either -** sqlite3_backup_finish() is called or the backup operation is complete +** on the destination file. ^The exclusive lock is not released until either +** sqlite3_backup_finish() is called or the backup operation is complete ** and sqlite3_backup_step() returns [SQLITE_DONE]. ^Every call to ** sqlite3_backup_step() obtains a [shared lock] on the source database that ** lasts for the duration of the sqlite3_backup_step() call. @@ -9355,18 +9650,18 @@ typedef struct sqlite3_backup sqlite3_backup; ** through the backup process. ^If the source database is modified by an ** external process or via a database connection other than the one being ** used by the backup operation, then the backup will be automatically -** restarted by the next call to sqlite3_backup_step(). ^If the source +** restarted by the next call to sqlite3_backup_step(). ^If the source ** database is modified by the using the same database connection as is used ** by the backup operation, then the backup database is automatically ** updated at the same time. ** ** [[sqlite3_backup_finish()]] <b>sqlite3_backup_finish()</b> ** -** When sqlite3_backup_step() has returned [SQLITE_DONE], or when the +** When sqlite3_backup_step() has returned [SQLITE_DONE], or when the ** application wishes to abandon the backup operation, the application ** should destroy the [sqlite3_backup] by passing it to sqlite3_backup_finish(). ** ^The sqlite3_backup_finish() interfaces releases all -** resources associated with the [sqlite3_backup] object. +** resources associated with the [sqlite3_backup] object. ** ^If sqlite3_backup_step() has not yet returned [SQLITE_DONE], then any ** active write-transaction on the destination database is rolled back. ** The [sqlite3_backup] object is invalid @@ -9406,8 +9701,8 @@ typedef struct sqlite3_backup sqlite3_backup; ** connections, then the source database connection may be used concurrently ** from within other threads. ** -** However, the application must guarantee that the destination -** [database connection] is not passed to any other API (by any thread) after +** However, the application must guarantee that the destination +** [database connection] is not passed to any other API (by any thread) after ** sqlite3_backup_init() is called and before the corresponding call to ** sqlite3_backup_finish(). SQLite does not currently check to see ** if the application incorrectly accesses the destination [database connection] @@ -9418,11 +9713,11 @@ typedef struct sqlite3_backup sqlite3_backup; ** If running in [shared cache mode], the application must ** guarantee that the shared cache used by the destination database ** is not accessed while the backup is running. In practice this means -** that the application must guarantee that the disk file being +** that the application must guarantee that the disk file being ** backed up to is not accessed by any connection within the process, ** not just the specific connection that was passed to sqlite3_backup_init(). ** -** The [sqlite3_backup] object itself is partially threadsafe. Multiple +** The [sqlite3_backup] object itself is partially threadsafe. Multiple ** threads may safely make multiple concurrent calls to sqlite3_backup_step(). ** However, the sqlite3_backup_remaining() and sqlite3_backup_pagecount() ** APIs are not strictly speaking threadsafe. If they are invoked at the @@ -9447,8 +9742,8 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ^When running in shared-cache mode, a database operation may fail with ** an [SQLITE_LOCKED] error if the required locks on the shared-cache or ** individual tables within the shared-cache cannot be obtained. See -** [SQLite Shared-Cache Mode] for a description of shared-cache locking. -** ^This API may be used to register a callback that SQLite will invoke +** [SQLite Shared-Cache Mode] for a description of shared-cache locking. +** ^This API may be used to register a callback that SQLite will invoke ** when the connection currently holding the required lock relinquishes it. ** ^This API is only available if the library was compiled with the ** [SQLITE_ENABLE_UNLOCK_NOTIFY] C-preprocessor symbol defined. @@ -9456,18 +9751,18 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** See Also: [Using the SQLite Unlock Notification Feature]. ** ** ^Shared-cache locks are released when a database connection concludes -** its current transaction, either by committing it or rolling it back. +** its current transaction, either by committing it or rolling it back. ** ** ^When a connection (known as the blocked connection) fails to obtain a ** shared-cache lock and SQLITE_LOCKED is returned to the caller, the ** identity of the database connection (the blocking connection) that -** has locked the required resource is stored internally. ^After an +** has locked the required resource is stored internally. ^After an ** application receives an SQLITE_LOCKED error, it may call the -** sqlite3_unlock_notify() method with the blocked connection handle as +** sqlite3_unlock_notify() method with the blocked connection handle as ** the first argument to register for a callback that will be invoked ** when the blocking connections current transaction is concluded. ^The ** callback is invoked from within the [sqlite3_step] or [sqlite3_close] -** call that concludes the blocking connections transaction. +** call that concludes the blocking connection's transaction. ** ** ^(If sqlite3_unlock_notify() is called in a multi-threaded application, ** there is a chance that the blocking connection will have already @@ -9477,15 +9772,15 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ** ^If the blocked connection is attempting to obtain a write-lock on a ** shared-cache table, and more than one other connection currently holds -** a read-lock on the same table, then SQLite arbitrarily selects one of +** a read-lock on the same table, then SQLite arbitrarily selects one of ** the other connections to use as the blocking connection. ** -** ^(There may be at most one unlock-notify callback registered by a +** ^(There may be at most one unlock-notify callback registered by a ** blocked connection. If sqlite3_unlock_notify() is called when the ** blocked connection already has a registered unlock-notify callback, ** then the new callback replaces the old.)^ ^If sqlite3_unlock_notify() is ** called with a NULL pointer as its second argument, then any existing -** unlock-notify callback is canceled. ^The blocked connections +** unlock-notify callback is canceled. ^The blocked connections ** unlock-notify callback may also be canceled by closing the blocked ** connection using [sqlite3_close()]. ** @@ -9498,25 +9793,25 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ** <b>Callback Invocation Details</b> ** -** When an unlock-notify callback is registered, the application provides a +** When an unlock-notify callback is registered, the application provides a ** single void* pointer that is passed to the callback when it is invoked. ** However, the signature of the callback function allows SQLite to pass ** it an array of void* context pointers. The first argument passed to ** an unlock-notify callback is a pointer to an array of void* pointers, ** and the second is the number of entries in the array. ** -** When a blocking connections transaction is concluded, there may be +** When a blocking connection's transaction is concluded, there may be ** more than one blocked connection that has registered for an unlock-notify ** callback. ^If two or more such blocked connections have specified the ** same callback function, then instead of invoking the callback function ** multiple times, it is invoked once with the set of void* context pointers ** specified by the blocked connections bundled together into an array. -** This gives the application an opportunity to prioritize any actions +** This gives the application an opportunity to prioritize any actions ** related to the set of unblocked database connections. ** ** <b>Deadlock Detection</b> ** -** Assuming that after registering for an unlock-notify callback a +** Assuming that after registering for an unlock-notify callback a ** database waits for the callback to be issued before taking any further ** action (a reasonable assumption), then using this API may cause the ** application to deadlock. For example, if connection X is waiting for @@ -9539,7 +9834,7 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ** <b>The "DROP TABLE" Exception</b> ** -** When a call to [sqlite3_step()] returns SQLITE_LOCKED, it is almost +** When a call to [sqlite3_step()] returns SQLITE_LOCKED, it is almost ** always appropriate to call sqlite3_unlock_notify(). There is however, ** one exception. When executing a "DROP TABLE" or "DROP INDEX" statement, ** SQLite checks if there are any currently executing SELECT statements @@ -9552,7 +9847,7 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** One way around this problem is to check the extended error code returned ** by an sqlite3_step() call. ^(If there is a blocking connection, then the ** extended error code is set to SQLITE_LOCKED_SHAREDCACHE. Otherwise, in -** the special "DROP TABLE/INDEX" case, the extended error code is just +** the special "DROP TABLE/INDEX" case, the extended error code is just ** SQLITE_LOCKED.)^ */ SQLITE_API int sqlite3_unlock_notify( @@ -9643,8 +9938,8 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** ^The [sqlite3_wal_hook()] function is used to register a callback that ** is invoked each time data is committed to a database in wal mode. ** -** ^(The callback is invoked by SQLite after the commit has taken place and -** the associated write-lock on the database released)^, so the implementation +** ^(The callback is invoked by SQLite after the commit has taken place and +** the associated write-lock on the database released)^, so the implementation ** may read, write or [checkpoint] the database as required. ** ** ^The first parameter passed to the callback function when it is invoked @@ -9663,7 +9958,7 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** that does not correspond to any valid SQLite error code, the results ** are undefined. ** -** A single database handle may have at most a single write-ahead log callback +** A single database handle may have at most a single write-ahead log callback ** registered at one time. ^Calling [sqlite3_wal_hook()] replaces any ** previously registered write-ahead log callback. ^Note that the ** [sqlite3_wal_autocheckpoint()] interface and the @@ -9671,7 +9966,7 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** overwrite any prior [sqlite3_wal_hook()] settings. */ SQLITE_API void *sqlite3_wal_hook( - sqlite3*, + sqlite3*, int(*)(void *,sqlite3*,const char*,int), void* ); @@ -9684,7 +9979,7 @@ SQLITE_API void *sqlite3_wal_hook( ** [sqlite3_wal_hook()] that causes any database on [database connection] D ** to automatically [checkpoint] ** after committing a transaction if there are N or -** more frames in the [write-ahead log] file. ^Passing zero or +** more frames in the [write-ahead log] file. ^Passing zero or ** a negative value as the nFrame parameter disables automatic ** checkpoints entirely. ** @@ -9714,7 +10009,7 @@ SQLITE_API int sqlite3_wal_autocheckpoint(sqlite3 *db, int N); ** ^(The sqlite3_wal_checkpoint(D,X) is equivalent to ** [sqlite3_wal_checkpoint_v2](D,X,[SQLITE_CHECKPOINT_PASSIVE],0,0).)^ ** -** In brief, sqlite3_wal_checkpoint(D,X) causes the content in the +** In brief, sqlite3_wal_checkpoint(D,X) causes the content in the ** [write-ahead log] for database X on [database connection] D to be ** transferred into the database file and for the write-ahead log to ** be reset. See the [checkpointing] documentation for addition @@ -9740,10 +10035,10 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb); ** ** <dl> ** <dt>SQLITE_CHECKPOINT_PASSIVE<dd> -** ^Checkpoint as many frames as possible without waiting for any database -** readers or writers to finish, then sync the database file if all frames +** ^Checkpoint as many frames as possible without waiting for any database +** readers or writers to finish, then sync the database file if all frames ** in the log were checkpointed. ^The [busy-handler callback] -** is never invoked in the SQLITE_CHECKPOINT_PASSIVE mode. +** is never invoked in the SQLITE_CHECKPOINT_PASSIVE mode. ** ^On the other hand, passive mode might leave the checkpoint unfinished ** if there are concurrent readers or writers. ** @@ -9757,9 +10052,9 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb); ** ** <dt>SQLITE_CHECKPOINT_RESTART<dd> ** ^This mode works the same way as SQLITE_CHECKPOINT_FULL with the addition -** that after checkpointing the log file it blocks (calls the +** that after checkpointing the log file it blocks (calls the ** [busy-handler callback]) -** until all readers are reading from the database file only. ^This ensures +** until all readers are reading from the database file only. ^This ensures ** that the next writer will restart the log file from the beginning. ** ^Like SQLITE_CHECKPOINT_FULL, this mode blocks new ** database writer attempts while it is pending, but does not impede readers. @@ -9781,31 +10076,31 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb); ** truncated to zero bytes and so both *pnLog and *pnCkpt will be set to zero. ** ** ^All calls obtain an exclusive "checkpoint" lock on the database file. ^If -** any other process is running a checkpoint operation at the same time, the -** lock cannot be obtained and SQLITE_BUSY is returned. ^Even if there is a +** any other process is running a checkpoint operation at the same time, the +** lock cannot be obtained and SQLITE_BUSY is returned. ^Even if there is a ** busy-handler configured, it will not be invoked in this case. ** -** ^The SQLITE_CHECKPOINT_FULL, RESTART and TRUNCATE modes also obtain the +** ^The SQLITE_CHECKPOINT_FULL, RESTART and TRUNCATE modes also obtain the ** exclusive "writer" lock on the database file. ^If the writer lock cannot be ** obtained immediately, and a busy-handler is configured, it is invoked and ** the writer lock retried until either the busy-handler returns 0 or the lock ** is successfully obtained. ^The busy-handler is also invoked while waiting for ** database readers as described above. ^If the busy-handler returns 0 before ** the writer lock is obtained or while waiting for database readers, the -** checkpoint operation proceeds from that point in the same way as -** SQLITE_CHECKPOINT_PASSIVE - checkpointing as many frames as possible +** checkpoint operation proceeds from that point in the same way as +** SQLITE_CHECKPOINT_PASSIVE - checkpointing as many frames as possible ** without blocking any further. ^SQLITE_BUSY is returned in this case. ** ** ^If parameter zDb is NULL or points to a zero length string, then the -** specified operation is attempted on all WAL databases [attached] to +** specified operation is attempted on all WAL databases [attached] to ** [database connection] db. In this case the -** values written to output parameters *pnLog and *pnCkpt are undefined. ^If -** an SQLITE_BUSY error is encountered when processing one or more of the -** attached WAL databases, the operation is still attempted on any remaining -** attached databases and SQLITE_BUSY is returned at the end. ^If any other -** error occurs while processing an attached database, processing is abandoned -** and the error code is returned to the caller immediately. ^If no error -** (SQLITE_BUSY or otherwise) is encountered while processing the attached +** values written to output parameters *pnLog and *pnCkpt are undefined. ^If +** an SQLITE_BUSY error is encountered when processing one or more of the +** attached WAL databases, the operation is still attempted on any remaining +** attached databases and SQLITE_BUSY is returned at the end. ^If any other +** error occurs while processing an attached database, processing is abandoned +** and the error code is returned to the caller immediately. ^If no error +** (SQLITE_BUSY or otherwise) is encountered while processing the attached ** databases, SQLITE_OK is returned. ** ** ^If database zDb is the name of an attached database that is not in WAL @@ -9853,14 +10148,20 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( ** If this interface is invoked outside the context of an xConnect or ** xCreate virtual table method then the behavior is undefined. ** -** At present, there is only one option that may be configured using -** this function. (See [SQLITE_VTAB_CONSTRAINT_SUPPORT].) Further options -** may be added in the future. +** In the call sqlite3_vtab_config(D,C,...) the D parameter is the +** [database connection] in which the virtual table is being created and +** which is passed in as the first argument to the [xConnect] or [xCreate] +** method that is invoking sqlite3_vtab_config(). The C parameter is one +** of the [virtual table configuration options]. The presence and meaning +** of parameters after C depend on which [virtual table configuration option] +** is used. */ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); /* ** CAPI3REF: Virtual Table Configuration Options +** KEYWORDS: {virtual table configuration options} +** KEYWORDS: {virtual table configuration option} ** ** These macros define the various options to the ** [sqlite3_vtab_config()] interface that [virtual table] implementations @@ -9868,7 +10169,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** ** <dl> ** [[SQLITE_VTAB_CONSTRAINT_SUPPORT]] -** <dt>SQLITE_VTAB_CONSTRAINT_SUPPORT +** <dt>SQLITE_VTAB_CONSTRAINT_SUPPORT</dt> ** <dd>Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_CONSTRAINT_SUPPORT,X) are supported, ** where X is an integer. If X is zero, then the [virtual table] whose @@ -9882,24 +10183,46 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** If X is non-zero, then the virtual table implementation guarantees ** that if [xUpdate] returns [SQLITE_CONSTRAINT], it will do so before ** any modifications to internal or persistent data structures have been made. -** If the [ON CONFLICT] mode is ABORT, FAIL, IGNORE or ROLLBACK, SQLite +** If the [ON CONFLICT] mode is ABORT, FAIL, IGNORE or ROLLBACK, SQLite ** is able to roll back a statement or database transaction, and abandon -** or continue processing the current SQL statement as appropriate. +** or continue processing the current SQL statement as appropriate. ** If the ON CONFLICT mode is REPLACE and the [xUpdate] method returns ** [SQLITE_CONSTRAINT], SQLite handles this as if the ON CONFLICT mode ** had been ABORT. ** ** Virtual table implementations that are required to handle OR REPLACE -** must do so within the [xUpdate] method. If a call to the -** [sqlite3_vtab_on_conflict()] function indicates that the current ON -** CONFLICT policy is REPLACE, the virtual table implementation should +** must do so within the [xUpdate] method. If a call to the +** [sqlite3_vtab_on_conflict()] function indicates that the current ON +** CONFLICT policy is REPLACE, the virtual table implementation should ** silently replace the appropriate rows within the xUpdate callback and ** return SQLITE_OK. Or, if this is not possible, it may return -** SQLITE_CONSTRAINT, in which case SQLite falls back to OR ABORT +** SQLITE_CONSTRAINT, in which case SQLite falls back to OR ABORT ** constraint handling. +** </dd> +** +** [[SQLITE_VTAB_DIRECTONLY]]<dt>SQLITE_VTAB_DIRECTONLY</dt> +** <dd>Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** prohibits that virtual table from being used from within triggers and +** views. +** </dd> +** +** [[SQLITE_VTAB_INNOCUOUS]]<dt>SQLITE_VTAB_INNOCUOUS</dt> +** <dd>Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_INNOCUOUS) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** identify that virtual table as being safe to use from within triggers +** and views. Conceptually, the SQLITE_VTAB_INNOCUOUS tag means that the +** virtual table can do no serious harm even if it is controlled by a +** malicious hacker. Developers should avoid setting the SQLITE_VTAB_INNOCUOUS +** flag unless absolutely necessary. +** </dd> ** </dl> */ #define SQLITE_VTAB_CONSTRAINT_SUPPORT 1 +#define SQLITE_VTAB_INNOCUOUS 2 +#define SQLITE_VTAB_DIRECTONLY 3 /* ** CAPI3REF: Determine The Virtual Table Conflict Policy @@ -9936,12 +10259,12 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*); ** CAPI3REF: Determine The Collation For a Virtual Table Constraint ** ** This function may only be called from within a call to the [xBestIndex] -** method of a [virtual table]. +** method of a [virtual table]. ** ** The first argument must be the sqlite3_index_info object that is the ** first parameter to the xBestIndex() method. The second argument must be ** an index into the aConstraint[] array belonging to the sqlite3_index_info -** structure passed to xBestIndex. This function returns a pointer to a buffer +** structure passed to xBestIndex. This function returns a pointer to a buffer ** containing the name of the collation sequence for the corresponding ** constraint. */ @@ -9979,15 +10302,15 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** ** <dl> ** [[SQLITE_SCANSTAT_NLOOP]] <dt>SQLITE_SCANSTAT_NLOOP</dt> -** <dd>^The [sqlite3_int64] variable pointed to by the T parameter will be +** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be ** set to the total number of times that the X-th loop has run.</dd> ** ** [[SQLITE_SCANSTAT_NVISIT]] <dt>SQLITE_SCANSTAT_NVISIT</dt> -** <dd>^The [sqlite3_int64] variable pointed to by the T parameter will be set +** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be set ** to the total number of rows examined by all iterations of the X-th loop.</dd> ** ** [[SQLITE_SCANSTAT_EST]] <dt>SQLITE_SCANSTAT_EST</dt> -** <dd>^The "double" variable pointed to by the T parameter will be set to the +** <dd>^The "double" variable pointed to by the V parameter will be set to the ** query planner's estimate for the average number of rows output from each ** iteration of the X-th loop. If the query planner's estimates was accurate, ** then this value will approximate the quotient NVISIT/NLOOP and the @@ -9995,17 +10318,17 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** be the NLOOP value for the current loop. ** ** [[SQLITE_SCANSTAT_NAME]] <dt>SQLITE_SCANSTAT_NAME</dt> -** <dd>^The "const char *" variable pointed to by the T parameter will be set +** <dd>^The "const char *" variable pointed to by the V parameter will be set ** to a zero-terminated UTF-8 string containing the name of the index or table ** used for the X-th loop. ** ** [[SQLITE_SCANSTAT_EXPLAIN]] <dt>SQLITE_SCANSTAT_EXPLAIN</dt> -** <dd>^The "const char *" variable pointed to by the T parameter will be set +** <dd>^The "const char *" variable pointed to by the V parameter will be set ** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN] ** description for the X-th loop. ** ** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECT</dt> -** <dd>^The "int" variable pointed to by the T parameter will be set to the +** <dd>^The "int" variable pointed to by the V parameter will be set to the ** "select-id" for the X-th loop. The select-id identifies which query or ** subquery the loop is part of. The main query has a select-id of zero. ** The select-id is the same value as is output in the first column @@ -10055,7 +10378,7 @@ SQLITE_API int sqlite3_stmt_scanstatus( int idx, /* Index of loop to report on */ int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ void *pOut /* Result written here */ -); +); /* ** CAPI3REF: Zero Scan-Status Counters @@ -10073,15 +10396,15 @@ SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt*); ** ** ^If a write-transaction is open on [database connection] D when the ** [sqlite3_db_cacheflush(D)] interface invoked, any dirty -** pages in the pager-cache that are not currently in use are written out +** pages in the pager-cache that are not currently in use are written out ** to disk. A dirty page may be in use if a database cursor created by an ** active SQL statement is reading from it, or if it is page 1 of a database ** file (page 1 is always "in use"). ^The [sqlite3_db_cacheflush(D)] ** interface flushes caches for all schemas - "main", "temp", and ** any [attached] databases. ** -** ^If this function needs to obtain extra database locks before dirty pages -** can be flushed to disk, it does so. ^If those locks cannot be obtained +** ^If this function needs to obtain extra database locks before dirty pages +** can be flushed to disk, it does so. ^If those locks cannot be obtained ** immediately and there is a busy-handler callback configured, it is invoked ** in the usual manner. ^If the required lock still cannot be obtained, then ** the database is skipped and an attempt made to flush any dirty pages @@ -10119,7 +10442,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** ** ^The preupdate hook only fires for changes to real database tables; the ** preupdate hook is not invoked for changes to [virtual tables] or to -** system tables like sqlite_master or sqlite_stat1. +** system tables like sqlite_sequence or sqlite_stat1. ** ** ^The second parameter to the preupdate callback is a pointer to ** the [database connection] that registered the preupdate hook. @@ -10128,16 +10451,16 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** kind of update operation that is about to occur. ** ^(The fourth parameter to the preupdate callback is the name of the ** database within the database connection that is being modified. This -** will be "main" for the main database or "temp" for TEMP tables or +** will be "main" for the main database or "temp" for TEMP tables or ** the name given after the AS keyword in the [ATTACH] statement for attached ** databases.)^ ** ^The fifth parameter to the preupdate callback is the name of the ** table that is being modified. ** ** For an UPDATE or DELETE operation on a [rowid table], the sixth -** parameter passed to the preupdate callback is the initial [rowid] of the +** parameter passed to the preupdate callback is the initial [rowid] of the ** row being modified or deleted. For an INSERT operation on a rowid table, -** or any operation on a WITHOUT ROWID table, the value of the sixth +** or any operation on a WITHOUT ROWID table, the value of the sixth ** parameter is undefined. For an INSERT or UPDATE on a rowid table the ** seventh parameter is the final rowid value of the row being inserted ** or updated. The value of the seventh parameter passed to the callback @@ -10176,7 +10499,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** ** ^The [sqlite3_preupdate_depth(D)] interface returns 0 if the preupdate ** callback was invoked as a result of a direct insert, update, or delete -** operation; or 1 for inserts, updates, or deletes invoked by top-level +** operation; or 1 for inserts, updates, or deletes invoked by top-level ** triggers; or 2 for changes resulting from triggers called by top-level ** triggers; and so forth. ** @@ -10210,7 +10533,7 @@ SQLITE_API int sqlite3_preupdate_new(sqlite3 *, int, sqlite3_value **); ** The return value is OS-dependent. For example, on unix systems, after ** [sqlite3_open_v2()] returns [SQLITE_CANTOPEN], this interface could be ** called to get back the underlying "errno" that caused the problem, such -** as ENOSPC, EAUTH, EISDIR, and so forth. +** as ENOSPC, EAUTH, EISDIR, and so forth. */ SQLITE_API int sqlite3_system_errno(sqlite3*); @@ -10248,12 +10571,12 @@ typedef struct sqlite3_snapshot { ** [sqlite3_snapshot_get(D,S,P)] interface writes a pointer to the newly ** created [sqlite3_snapshot] object into *P and returns SQLITE_OK. ** If there is not already a read-transaction open on schema S when -** this function is called, one is opened automatically. +** this function is called, one is opened automatically. ** ** The following must be true for this function to succeed. If any of ** the following statements are false when sqlite3_snapshot_get() is ** called, SQLITE_ERROR is returned. The final value of *P is undefined -** in this case. +** in this case. ** ** <ul> ** <li> The database handle must not be in [autocommit mode]. @@ -10265,13 +10588,13 @@ typedef struct sqlite3_snapshot { ** ** <li> One or more transactions must have been written to the current wal ** file since it was created on disk (by any connection). This means -** that a snapshot cannot be taken on a wal mode database with no wal +** that a snapshot cannot be taken on a wal mode database with no wal ** file immediately after it is first opened. At least one transaction ** must be written to it first. ** </ul> ** ** This function may also return SQLITE_NOMEM. If it is called with the -** database handle in autocommit mode but fails for some other reason, +** database handle in autocommit mode but fails for some other reason, ** whether or not a read transaction is opened on schema S is undefined. ** ** The [sqlite3_snapshot] object returned from a successful call to @@ -10291,38 +10614,38 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_get( ** CAPI3REF: Start a read transaction on an historical snapshot ** METHOD: sqlite3_snapshot ** -** ^The [sqlite3_snapshot_open(D,S,P)] interface either starts a new read -** transaction or upgrades an existing one for schema S of -** [database connection] D such that the read transaction refers to -** historical [snapshot] P, rather than the most recent change to the -** database. ^The [sqlite3_snapshot_open()] interface returns SQLITE_OK +** ^The [sqlite3_snapshot_open(D,S,P)] interface either starts a new read +** transaction or upgrades an existing one for schema S of +** [database connection] D such that the read transaction refers to +** historical [snapshot] P, rather than the most recent change to the +** database. ^The [sqlite3_snapshot_open()] interface returns SQLITE_OK ** on success or an appropriate [error code] if it fails. ** -** ^In order to succeed, the database connection must not be in +** ^In order to succeed, the database connection must not be in ** [autocommit mode] when [sqlite3_snapshot_open(D,S,P)] is called. If there ** is already a read transaction open on schema S, then the database handle ** must have no active statements (SELECT statements that have been passed -** to sqlite3_step() but not sqlite3_reset() or sqlite3_finalize()). +** to sqlite3_step() but not sqlite3_reset() or sqlite3_finalize()). ** SQLITE_ERROR is returned if either of these conditions is violated, or ** if schema S does not exist, or if the snapshot object is invalid. ** ** ^A call to sqlite3_snapshot_open() will fail to open if the specified -** snapshot has been overwritten by a [checkpoint]. In this case +** snapshot has been overwritten by a [checkpoint]. In this case ** SQLITE_ERROR_SNAPSHOT is returned. ** -** If there is already a read transaction open when this function is +** If there is already a read transaction open when this function is ** invoked, then the same read transaction remains open (on the same ** database snapshot) if SQLITE_ERROR, SQLITE_BUSY or SQLITE_ERROR_SNAPSHOT ** is returned. If another error code - for example SQLITE_PROTOCOL or an ** SQLITE_IOERR error code - is returned, then the final state of the -** read transaction is undefined. If SQLITE_OK is returned, then the +** read transaction is undefined. If SQLITE_OK is returned, then the ** read transaction is now open on database snapshot P. ** ** ^(A call to [sqlite3_snapshot_open(D,S,P)] will fail if the ** database connection D does not know that the database file for ** schema S is in [WAL mode]. A database connection might not know ** that the database file is in [WAL mode] if there has been no prior -** I/O on that database connection, or if the database entered [WAL mode] +** I/O on that database connection, or if the database entered [WAL mode] ** after the most recent I/O on the database connection.)^ ** (Hint: Run "[PRAGMA application_id]" against a newly opened ** database connection in order to make it ready to use snapshots.) @@ -10354,17 +10677,17 @@ SQLITE_API SQLITE_EXPERIMENTAL void sqlite3_snapshot_free(sqlite3_snapshot*); ** METHOD: sqlite3_snapshot ** ** The sqlite3_snapshot_cmp(P1, P2) interface is used to compare the ages -** of two valid snapshot handles. +** of two valid snapshot handles. ** -** If the two snapshot handles are not associated with the same database -** file, the result of the comparison is undefined. +** If the two snapshot handles are not associated with the same database +** file, the result of the comparison is undefined. ** ** Additionally, the result of the comparison is only valid if both of the ** snapshot handles were obtained by calling sqlite3_snapshot_get() since the ** last time the wal file was deleted. The wal file is deleted when the ** database is changed back to rollback mode or when the number of database -** clients drops to zero. If either snapshot handle was obtained before the -** wal file was last deleted, the value returned by this function +** clients drops to zero. If either snapshot handle was obtained before the +** wal file was last deleted, the value returned by this function ** is undefined. ** ** Otherwise, this API returns a negative value if P1 refers to an older @@ -10429,7 +10752,7 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_recover(sqlite3 *db, const c ** representation of the database will usually only exist if there has ** been a prior call to [sqlite3_deserialize(D,S,...)] with the same ** values of D and S. -** The size of the database is written into *P even if the +** The size of the database is written into *P even if the ** SQLITE_SERIALIZE_NOCOPY bit is set but no contiguous copy ** of the database exists. ** @@ -10466,7 +10789,7 @@ SQLITE_API unsigned char *sqlite3_serialize( /* ** CAPI3REF: Deserialize a database ** -** The sqlite3_deserialize(D,S,P,N,M,F) interface causes the +** The sqlite3_deserialize(D,S,P,N,M,F) interface causes the ** [database connection] D to disconnect from database S and then ** reopen S as an in-memory database based on the serialization contained ** in P. The serialized database P is N bytes in size. M is the size of @@ -10485,7 +10808,7 @@ SQLITE_API unsigned char *sqlite3_serialize( ** database is currently in a read transaction or is involved in a backup ** operation. ** -** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the +** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the ** SQLITE_DESERIALIZE_FREEONCLOSE bit is set in argument F, then ** [sqlite3_free()] is invoked on argument P prior to returning. ** @@ -10600,7 +10923,7 @@ struct sqlite3_rtree_geometry { }; /* -** Register a 2nd-generation geometry callback named zScore that can be +** Register a 2nd-generation geometry callback named zScore that can be ** used as part of an R-Tree geometry query as follows: ** ** SELECT ... FROM <rtree> WHERE <rtree col> MATCH $zQueryFunc(... params ...) @@ -10615,7 +10938,7 @@ SQLITE_API int sqlite3_rtree_query_callback( /* -** A pointer to a structure of the following type is passed as the +** A pointer to a structure of the following type is passed as the ** argument to scored geometry callback registered using ** sqlite3_rtree_query_callback(). ** @@ -10710,7 +11033,7 @@ typedef struct sqlite3_changeset_iter sqlite3_changeset_iter; ** is not possible for an application to register a pre-update hook on a ** database handle that has one or more session objects attached. Nor is ** it possible to create a session object attached to a database handle for -** which a pre-update hook is already defined. The results of attempting +** which a pre-update hook is already defined. The results of attempting ** either of these things are undefined. ** ** The session object will be used to create changesets for tables in @@ -10728,13 +11051,13 @@ SQLITE_API int sqlite3session_create( ** CAPI3REF: Delete A Session Object ** DESTRUCTOR: sqlite3_session ** -** Delete a session object previously allocated using +** Delete a session object previously allocated using ** [sqlite3session_create()]. Once a session object has been deleted, the ** results of attempting to use pSession with any other session module ** function are undefined. ** ** Session objects must be deleted before the database handle to which they -** are attached is closed. Refer to the documentation for +** are attached is closed. Refer to the documentation for ** [sqlite3session_create()] for details. */ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); @@ -10752,10 +11075,10 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); ** the eventual changesets. ** ** Passing zero to this function disables the session. Passing a value -** greater than zero enables it. Passing a value less than zero is a +** greater than zero enables it. Passing a value less than zero is a ** no-op, and may be used to query the current state of the session. ** -** The return value indicates the final state of the session object: 0 if +** The return value indicates the final state of the session object: 0 if ** the session is disabled, or 1 if it is enabled. */ SQLITE_API int sqlite3session_enable(sqlite3_session *pSession, int bEnable); @@ -10770,7 +11093,7 @@ SQLITE_API int sqlite3session_enable(sqlite3_session *pSession, int bEnable); ** <ul> ** <li> The session object "indirect" flag is set when the change is ** made, or -** <li> The change is made by an SQL trigger or foreign key action +** <li> The change is made by an SQL trigger or foreign key action ** instead of directly as a result of a users SQL statement. ** </ul> ** @@ -10782,10 +11105,10 @@ SQLITE_API int sqlite3session_enable(sqlite3_session *pSession, int bEnable); ** flag. If the second argument passed to this function is zero, then the ** indirect flag is cleared. If it is greater than zero, the indirect flag ** is set. Passing a value less than zero does not modify the current value -** of the indirect flag, and may be used to query the current state of the +** of the indirect flag, and may be used to query the current state of the ** indirect flag for the specified session object. ** -** The return value indicates the final state of the indirect flag: 0 if +** The return value indicates the final state of the indirect flag: 0 if ** it is clear, or 1 if it is set. */ SQLITE_API int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect); @@ -10795,20 +11118,20 @@ SQLITE_API int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect) ** METHOD: sqlite3_session ** ** If argument zTab is not NULL, then it is the name of a table to attach -** to the session object passed as the first argument. All subsequent changes -** made to the table while the session object is enabled will be recorded. See +** to the session object passed as the first argument. All subsequent changes +** made to the table while the session object is enabled will be recorded. See ** documentation for [sqlite3session_changeset()] for further details. ** ** Or, if argument zTab is NULL, then changes are recorded for all tables -** in the database. If additional tables are added to the database (by -** executing "CREATE TABLE" statements) after this call is made, changes for +** in the database. If additional tables are added to the database (by +** executing "CREATE TABLE" statements) after this call is made, changes for ** the new tables are also recorded. ** ** Changes can only be recorded for tables that have a PRIMARY KEY explicitly -** defined as part of their CREATE TABLE statement. It does not matter if the +** defined as part of their CREATE TABLE statement. It does not matter if the ** PRIMARY KEY is an "INTEGER PRIMARY KEY" (rowid alias) or not. The PRIMARY ** KEY may consist of a single column, or may be a composite key. -** +** ** It is not an error if the named table does not exist in the database. Nor ** is it an error if the named table does not have a PRIMARY KEY. However, ** no changes will be recorded in either of these scenarios. @@ -10816,29 +11139,29 @@ SQLITE_API int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect) ** Changes are not recorded for individual rows that have NULL values stored ** in one or more of their PRIMARY KEY columns. ** -** SQLITE_OK is returned if the call completes without error. Or, if an error +** SQLITE_OK is returned if the call completes without error. Or, if an error ** occurs, an SQLite error code (e.g. SQLITE_NOMEM) is returned. ** ** <h3>Special sqlite_stat1 Handling</h3> ** -** As of SQLite version 3.22.0, the "sqlite_stat1" table is an exception to +** As of SQLite version 3.22.0, the "sqlite_stat1" table is an exception to ** some of the rules above. In SQLite, the schema of sqlite_stat1 is: ** <pre> -** CREATE TABLE sqlite_stat1(tbl,idx,stat) +** CREATE TABLE sqlite_stat1(tbl,idx,stat) ** </pre> ** -** Even though sqlite_stat1 does not have a PRIMARY KEY, changes are -** recorded for it as if the PRIMARY KEY is (tbl,idx). Additionally, changes +** Even though sqlite_stat1 does not have a PRIMARY KEY, changes are +** recorded for it as if the PRIMARY KEY is (tbl,idx). Additionally, changes ** are recorded for rows for which (idx IS NULL) is true. However, for such ** rows a zero-length blob (SQL value X'') is stored in the changeset or ** patchset instead of a NULL value. This allows such changesets to be ** manipulated by legacy implementations of sqlite3changeset_invert(), ** concat() and similar. ** -** The sqlite3changeset_apply() function automatically converts the +** The sqlite3changeset_apply() function automatically converts the ** zero-length blob back to a NULL value when updating the sqlite_stat1 ** table. However, if the application calls sqlite3changeset_new(), -** sqlite3changeset_old() or sqlite3changeset_conflict on a changeset +** sqlite3changeset_old() or sqlite3changeset_conflict on a changeset ** iterator directly (including on a changeset iterator passed to a ** conflict-handler callback) then the X'' value is returned. The application ** must translate X'' to NULL itself if required. @@ -10857,10 +11180,10 @@ SQLITE_API int sqlite3session_attach( ** CAPI3REF: Set a table filter on a Session Object. ** METHOD: sqlite3_session ** -** The second argument (xFilter) is the "filter callback". For changes to rows +** The second argument (xFilter) is the "filter callback". For changes to rows ** in tables that are not attached to the Session object, the filter is called -** to determine whether changes to the table's rows should be tracked or not. -** If xFilter returns 0, changes is not tracked. Note that once a table is +** to determine whether changes to the table's rows should be tracked or not. +** If xFilter returns 0, changes are not tracked. Note that once a table is ** attached, xFilter will not be called again. */ SQLITE_API void sqlite3session_table_filter( @@ -10876,9 +11199,9 @@ SQLITE_API void sqlite3session_table_filter( ** CAPI3REF: Generate A Changeset From A Session Object ** METHOD: sqlite3_session ** -** Obtain a changeset containing changes to the tables attached to the -** session object passed as the first argument. If successful, -** set *ppChangeset to point to a buffer containing the changeset +** Obtain a changeset containing changes to the tables attached to the +** session object passed as the first argument. If successful, +** set *ppChangeset to point to a buffer containing the changeset ** and *pnChangeset to the size of the changeset in bytes before returning ** SQLITE_OK. If an error occurs, set both *ppChangeset and *pnChangeset to ** zero and return an SQLite error code. @@ -10893,7 +11216,7 @@ SQLITE_API void sqlite3session_table_filter( ** modifies the values of primary key columns. If such a change is made, it ** is represented in a changeset as a DELETE followed by an INSERT. ** -** Changes are not recorded for rows that have NULL values stored in one or +** Changes are not recorded for rows that have NULL values stored in one or ** more of their PRIMARY KEY columns. If such a row is inserted or deleted, ** no corresponding change is present in the changesets returned by this ** function. If an existing row with one or more NULL values stored in @@ -10946,14 +11269,14 @@ SQLITE_API void sqlite3session_table_filter( ** <ul> ** <li> For each record generated by an insert, the database is queried ** for a row with a matching primary key. If one is found, an INSERT -** change is added to the changeset. If no such row is found, no change +** change is added to the changeset. If no such row is found, no change ** is added to the changeset. ** -** <li> For each record generated by an update or delete, the database is +** <li> For each record generated by an update or delete, the database is ** queried for a row with a matching primary key. If such a row is ** found and one or more of the non-primary key fields have been -** modified from their original values, an UPDATE change is added to -** the changeset. Or, if no such row is found in the table, a DELETE +** modified from their original values, an UPDATE change is added to +** the changeset. Or, if no such row is found in the table, a DELETE ** change is added to the changeset. If there is a row with a matching ** primary key in the database, but all fields contain their original ** values, no change is added to the changeset. @@ -10961,7 +11284,7 @@ SQLITE_API void sqlite3session_table_filter( ** ** This means, amongst other things, that if a row is inserted and then later ** deleted while a session object is active, neither the insert nor the delete -** will be present in the changeset. Or if a row is deleted and then later a +** will be present in the changeset. Or if a row is deleted and then later a ** row with the same primary key values inserted while a session object is ** active, the resulting changeset will contain an UPDATE change instead of ** a DELETE and an INSERT. @@ -10970,10 +11293,10 @@ SQLITE_API void sqlite3session_table_filter( ** it does not accumulate records when rows are inserted, updated or deleted. ** This may appear to have some counter-intuitive effects if a single row ** is written to more than once during a session. For example, if a row -** is inserted while a session object is enabled, then later deleted while +** is inserted while a session object is enabled, then later deleted while ** the same session object is disabled, no INSERT record will appear in the ** changeset, even though the delete took place while the session was disabled. -** Or, if one field of a row is updated while a session is disabled, and +** Or, if one field of a row is updated while a session is disabled, and ** another field of the same row is updated while the session is enabled, the ** resulting changeset will contain an UPDATE change that updates both fields. */ @@ -10994,7 +11317,7 @@ SQLITE_API int sqlite3session_changeset( ** an error). ** ** Argument zFromDb must be the name of a database ("main", "temp" etc.) -** attached to the same database handle as the session object that contains +** attached to the same database handle as the session object that contains ** a table compatible with the table attached to the session by this function. ** A table is considered compatible if it: ** @@ -11010,33 +11333,33 @@ SQLITE_API int sqlite3session_changeset( ** APIs, tables without PRIMARY KEYs are simply ignored. ** ** This function adds a set of changes to the session object that could be -** used to update the table in database zFrom (call this the "from-table") -** so that its content is the same as the table attached to the session +** used to update the table in database zFrom (call this the "from-table") +** so that its content is the same as the table attached to the session ** object (call this the "to-table"). Specifically: ** ** <ul> -** <li> For each row (primary key) that exists in the to-table but not in +** <li> For each row (primary key) that exists in the to-table but not in ** the from-table, an INSERT record is added to the session object. ** -** <li> For each row (primary key) that exists in the to-table but not in +** <li> For each row (primary key) that exists in the to-table but not in ** the from-table, a DELETE record is added to the session object. ** -** <li> For each row (primary key) that exists in both tables, but features +** <li> For each row (primary key) that exists in both tables, but features ** different non-PK values in each, an UPDATE record is added to the -** session. +** session. ** </ul> ** ** To clarify, if this function is called and then a changeset constructed -** using [sqlite3session_changeset()], then after applying that changeset to -** database zFrom the contents of the two compatible tables would be +** using [sqlite3session_changeset()], then after applying that changeset to +** database zFrom the contents of the two compatible tables would be ** identical. ** ** It an error if database zFrom does not exist or does not contain the ** required compatible table. ** -** If the operation successful, SQLITE_OK is returned. Otherwise, an SQLite +** If the operation is successful, SQLITE_OK is returned. Otherwise, an SQLite ** error code. In this case, if argument pzErrMsg is not NULL, *pzErrMsg -** may be set to point to a buffer containing an English language error +** may be set to point to a buffer containing an English language error ** message. It is the responsibility of the caller to free this buffer using ** sqlite3_free(). */ @@ -11055,19 +11378,19 @@ SQLITE_API int sqlite3session_diff( ** The differences between a patchset and a changeset are that: ** ** <ul> -** <li> DELETE records consist of the primary key fields only. The +** <li> DELETE records consist of the primary key fields only. The ** original values of other fields are omitted. -** <li> The original values of any modified fields are omitted from +** <li> The original values of any modified fields are omitted from ** UPDATE records. ** </ul> ** -** A patchset blob may be used with up to date versions of all -** sqlite3changeset_xxx API functions except for sqlite3changeset_invert(), +** A patchset blob may be used with up to date versions of all +** sqlite3changeset_xxx API functions except for sqlite3changeset_invert(), ** which returns SQLITE_CORRUPT if it is passed a patchset. Similarly, ** attempting to use a patchset blob with old versions of the -** sqlite3changeset_xxx APIs also provokes an SQLITE_CORRUPT error. +** sqlite3changeset_xxx APIs also provokes an SQLITE_CORRUPT error. ** -** Because the non-primary key "old.*" fields are omitted, no +** Because the non-primary key "old.*" fields are omitted, no ** SQLITE_CHANGESET_DATA conflicts can be detected or reported if a patchset ** is passed to the sqlite3changeset_apply() API. Other conflict types work ** in the same way as for changesets. @@ -11086,22 +11409,22 @@ SQLITE_API int sqlite3session_patchset( /* ** CAPI3REF: Test if a changeset has recorded any changes. ** -** Return non-zero if no changes to attached tables have been recorded by -** the session object passed as the first argument. Otherwise, if one or +** Return non-zero if no changes to attached tables have been recorded by +** the session object passed as the first argument. Otherwise, if one or ** more changes have been recorded, return zero. ** ** Even if this function returns zero, it is possible that calling ** [sqlite3session_changeset()] on the session handle may still return a -** changeset that contains no changes. This can happen when a row in -** an attached table is modified and then later on the original values +** changeset that contains no changes. This can happen when a row in +** an attached table is modified and then later on the original values ** are restored. However, if this function returns non-zero, then it is -** guaranteed that a call to sqlite3session_changeset() will return a +** guaranteed that a call to sqlite3session_changeset() will return a ** changeset containing zero changes. */ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); /* -** CAPI3REF: Create An Iterator To Traverse A Changeset +** CAPI3REF: Create An Iterator To Traverse A Changeset ** CONSTRUCTOR: sqlite3_changeset_iter ** ** Create an iterator used to iterate through the contents of a changeset. @@ -11109,7 +11432,7 @@ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); ** is returned. Otherwise, if an error occurs, *pp is set to zero and an ** SQLite error code is returned. ** -** The following functions can be used to advance and query a changeset +** The following functions can be used to advance and query a changeset ** iterator created by this function: ** ** <ul> @@ -11126,12 +11449,12 @@ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); ** ** Assuming the changeset blob was created by one of the ** [sqlite3session_changeset()], [sqlite3changeset_concat()] or -** [sqlite3changeset_invert()] functions, all changes within the changeset -** that apply to a single table are grouped together. This means that when -** an application iterates through a changeset using an iterator created by -** this function, all changes that relate to a single table are visited -** consecutively. There is no chance that the iterator will visit a change -** the applies to table X, then one for table Y, and then later on visit +** [sqlite3changeset_invert()] functions, all changes within the changeset +** that apply to a single table are grouped together. This means that when +** an application iterates through a changeset using an iterator created by +** this function, all changes that relate to a single table are visited +** consecutively. There is no chance that the iterator will visit a change +** the applies to table X, then one for table Y, and then later on visit ** another change for table X. ** ** The behavior of sqlite3changeset_start_v2() and its streaming equivalent @@ -11171,7 +11494,7 @@ SQLITE_API int sqlite3changeset_start_v2( ** CAPI3REF: Advance A Changeset Iterator ** METHOD: sqlite3_changeset_iter ** -** This function may only be used with iterators created by function +** This function may only be used with iterators created by the function ** [sqlite3changeset_start()]. If it is called on an iterator passed to ** a conflict-handler callback by [sqlite3changeset_apply()], SQLITE_MISUSE ** is returned and the call has no effect. @@ -11182,12 +11505,12 @@ SQLITE_API int sqlite3changeset_start_v2( ** point to the first change in the changeset. Each subsequent call advances ** the iterator to point to the next change in the changeset (if any). If ** no error occurs and the iterator points to a valid change after a call -** to sqlite3changeset_next() has advanced it, SQLITE_ROW is returned. +** to sqlite3changeset_next() has advanced it, SQLITE_ROW is returned. ** Otherwise, if all changes in the changeset have already been visited, ** SQLITE_DONE is returned. ** -** If an error occurs, an SQLite error code is returned. Possible error -** codes include SQLITE_CORRUPT (if the changeset buffer is corrupt) or +** If an error occurs, an SQLite error code is returned. Possible error +** codes include SQLITE_CORRUPT (if the changeset buffer is corrupt) or ** SQLITE_NOMEM. */ SQLITE_API int sqlite3changeset_next(sqlite3_changeset_iter *pIter); @@ -11205,14 +11528,14 @@ SQLITE_API int sqlite3changeset_next(sqlite3_changeset_iter *pIter); ** If argument pzTab is not NULL, then *pzTab is set to point to a ** nul-terminated utf-8 encoded string containing the name of the table ** affected by the current change. The buffer remains valid until either -** sqlite3changeset_next() is called on the iterator or until the -** conflict-handler function returns. If pnCol is not NULL, then *pnCol is +** sqlite3changeset_next() is called on the iterator or until the +** conflict-handler function returns. If pnCol is not NULL, then *pnCol is ** set to the number of columns in the table affected by the change. If ** pbIndirect is not NULL, then *pbIndirect is set to true (1) if the change ** is an indirect change, or false (0) otherwise. See the documentation for ** [sqlite3session_indirect()] for a description of direct and indirect -** changes. Finally, if pOp is not NULL, then *pOp is set to one of -** [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], depending on the +** changes. Finally, if pOp is not NULL, then *pOp is set to one of +** [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], depending on the ** type of change that the iterator currently points to. ** ** If no error occurs, SQLITE_OK is returned. If an error does occur, an @@ -11266,7 +11589,7 @@ SQLITE_API int sqlite3changeset_pk( ** The pIter argument passed to this function may either be an iterator ** passed to a conflict-handler by [sqlite3changeset_apply()], or an iterator ** created by [sqlite3changeset_start()]. In the latter case, the most recent -** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. +** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. ** Furthermore, it may only be called if the type of change that the iterator ** currently points to is either [SQLITE_DELETE] or [SQLITE_UPDATE]. Otherwise, ** this function returns [SQLITE_MISUSE] and sets *ppValue to NULL. @@ -11276,9 +11599,9 @@ SQLITE_API int sqlite3changeset_pk( ** [SQLITE_RANGE] is returned and *ppValue is set to NULL. ** ** If successful, this function sets *ppValue to point to a protected -** sqlite3_value object containing the iVal'th value from the vector of +** sqlite3_value object containing the iVal'th value from the vector of ** original row values stored as part of the UPDATE or DELETE change and -** returns SQLITE_OK. The name of the function comes from the fact that this +** returns SQLITE_OK. The name of the function comes from the fact that this ** is similar to the "old.*" columns available to update or delete triggers. ** ** If some other error occurs (e.g. an OOM condition), an SQLite error code @@ -11297,7 +11620,7 @@ SQLITE_API int sqlite3changeset_old( ** The pIter argument passed to this function may either be an iterator ** passed to a conflict-handler by [sqlite3changeset_apply()], or an iterator ** created by [sqlite3changeset_start()]. In the latter case, the most recent -** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. +** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. ** Furthermore, it may only be called if the type of change that the iterator ** currently points to is either [SQLITE_UPDATE] or [SQLITE_INSERT]. Otherwise, ** this function returns [SQLITE_MISUSE] and sets *ppValue to NULL. @@ -11307,12 +11630,12 @@ SQLITE_API int sqlite3changeset_old( ** [SQLITE_RANGE] is returned and *ppValue is set to NULL. ** ** If successful, this function sets *ppValue to point to a protected -** sqlite3_value object containing the iVal'th value from the vector of +** sqlite3_value object containing the iVal'th value from the vector of ** new row values stored as part of the UPDATE or INSERT change and ** returns SQLITE_OK. If the change is an UPDATE and does not include -** a new value for the requested column, *ppValue is set to NULL and -** SQLITE_OK returned. The name of the function comes from the fact that -** this is similar to the "new.*" columns available to update or delete +** a new value for the requested column, *ppValue is set to NULL and +** SQLITE_OK returned. The name of the function comes from the fact that +** this is similar to the "new.*" columns available to update or delete ** triggers. ** ** If some other error occurs (e.g. an OOM condition), an SQLite error code @@ -11339,7 +11662,7 @@ SQLITE_API int sqlite3changeset_new( ** [SQLITE_RANGE] is returned and *ppValue is set to NULL. ** ** If successful, this function sets *ppValue to point to a protected -** sqlite3_value object containing the iVal'th value from the +** sqlite3_value object containing the iVal'th value from the ** "conflicting row" associated with the current conflict-handler callback ** and returns SQLITE_OK. ** @@ -11383,7 +11706,7 @@ SQLITE_API int sqlite3changeset_fk_conflicts( ** call has no effect. ** ** If an error was encountered within a call to an sqlite3changeset_xxx() -** function (for example an [SQLITE_CORRUPT] in [sqlite3changeset_next()] or an +** function (for example an [SQLITE_CORRUPT] in [sqlite3changeset_next()] or an ** [SQLITE_NOMEM] in [sqlite3changeset_new()]) then an error code corresponding ** to that error is returned by this function. Otherwise, SQLITE_OK is ** returned. This is to allow the following pattern (pseudo-code): @@ -11395,7 +11718,7 @@ SQLITE_API int sqlite3changeset_fk_conflicts( ** } ** rc = sqlite3changeset_finalize(); ** if( rc!=SQLITE_OK ){ -** // An error has occurred +** // An error has occurred ** } ** </pre> */ @@ -11423,7 +11746,7 @@ SQLITE_API int sqlite3changeset_finalize(sqlite3_changeset_iter *pIter); ** zeroed and an SQLite error code returned. ** ** It is the responsibility of the caller to eventually call sqlite3_free() -** on the *ppOut pointer to free the buffer allocation following a successful +** on the *ppOut pointer to free the buffer allocation following a successful ** call to this function. ** ** WARNING/TODO: This function currently assumes that the input is a valid @@ -11437,11 +11760,11 @@ SQLITE_API int sqlite3changeset_invert( /* ** CAPI3REF: Concatenate Two Changeset Objects ** -** This function is used to concatenate two changesets, A and B, into a +** This function is used to concatenate two changesets, A and B, into a ** single changeset. The result is a changeset equivalent to applying -** changeset A followed by changeset B. +** changeset A followed by changeset B. ** -** This function combines the two input changesets using an +** This function combines the two input changesets using an ** sqlite3_changegroup object. Calling it produces similar results as the ** following code fragment: ** @@ -11473,7 +11796,7 @@ SQLITE_API int sqlite3changeset_concat( /* ** CAPI3REF: Changegroup Handle ** -** A changegroup is an object used to combine two or more +** A changegroup is an object used to combine two or more ** [changesets] or [patchsets] */ typedef struct sqlite3_changegroup sqlite3_changegroup; @@ -11489,7 +11812,7 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; ** ** If successful, this function returns SQLITE_OK and populates (*pp) with ** a pointer to a new sqlite3_changegroup object before returning. The caller -** should eventually free the returned object using a call to +** should eventually free the returned object using a call to ** sqlite3changegroup_delete(). If an error occurs, an SQLite error code ** (i.e. SQLITE_NOMEM) is returned and *pp is set to NULL. ** @@ -11501,7 +11824,7 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; ** <li> Zero or more changesets (or patchsets) are added to the object ** by calling sqlite3changegroup_add(). ** -** <li> The result of combining all input changesets together is obtained +** <li> The result of combining all input changesets together is obtained ** by the application via a call to sqlite3changegroup_output(). ** ** <li> The object is deleted using a call to sqlite3changegroup_delete(). @@ -11510,7 +11833,7 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; ** Any number of calls to add() and output() may be made between the calls to ** new() and delete(), and in any order. ** -** As well as the regular sqlite3changegroup_add() and +** As well as the regular sqlite3changegroup_add() and ** sqlite3changegroup_output() functions, also available are the streaming ** versions sqlite3changegroup_add_strm() and sqlite3changegroup_output_strm(). */ @@ -11521,7 +11844,7 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** METHOD: sqlite3_changegroup ** ** Add all changes within the changeset (or patchset) in buffer pData (size -** nData bytes) to the changegroup. +** nData bytes) to the changegroup. ** ** If the buffer contains a patchset, then all prior calls to this function ** on the same changegroup object must also have specified patchsets. Or, if @@ -11548,7 +11871,7 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** changeset was recorded immediately after the changesets already ** added to the changegroup. ** <tr><td>INSERT <td>UPDATE <td> -** The INSERT change remains in the changegroup. The values in the +** The INSERT change remains in the changegroup. The values in the ** INSERT change are modified as if the row was inserted by the ** existing change and then updated according to the new change. ** <tr><td>INSERT <td>DELETE <td> @@ -11559,17 +11882,17 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** changeset was recorded immediately after the changesets already ** added to the changegroup. ** <tr><td>UPDATE <td>UPDATE <td> -** The existing UPDATE remains within the changegroup. It is amended -** so that the accompanying values are as if the row was updated once +** The existing UPDATE remains within the changegroup. It is amended +** so that the accompanying values are as if the row was updated once ** by the existing change and then again by the new change. ** <tr><td>UPDATE <td>DELETE <td> ** The existing UPDATE is replaced by the new DELETE within the ** changegroup. ** <tr><td>DELETE <td>INSERT <td> ** If one or more of the column values in the row inserted by the -** new change differ from those in the row deleted by the existing +** new change differ from those in the row deleted by the existing ** change, the existing DELETE is replaced by an UPDATE within the -** changegroup. Otherwise, if the inserted row is exactly the same +** changegroup. Otherwise, if the inserted row is exactly the same ** as the deleted row, the existing DELETE is simply discarded. ** <tr><td>DELETE <td>UPDATE <td> ** The new change is ignored. This case does not occur if the new @@ -11587,8 +11910,8 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** case, this function fails with SQLITE_SCHEMA. If the input changeset ** appears to be corrupt and the corruption is detected, SQLITE_CORRUPT is ** returned. Or, if an out-of-memory condition occurs during processing, this -** function returns SQLITE_NOMEM. In all cases, if an error occurs the -** final contents of the changegroup is undefined. +** function returns SQLITE_NOMEM. In all cases, if an error occurs the state +** of the final contents of the changegroup is undefined. ** ** If no error occurs, SQLITE_OK is returned. */ @@ -11614,7 +11937,7 @@ SQLITE_API int sqlite3changegroup_add(sqlite3_changegroup*, int nData, void *pDa ** ** If an error occurs, an SQLite error code is returned and the output ** variables (*pnData) and (*ppData) are set to 0. Otherwise, SQLITE_OK -** is returned and the output variables are set to the size of and a +** is returned and the output variables are set to the size of and a ** pointer to the output buffer, respectively. In this case it is the ** responsibility of the caller to eventually free the buffer using a ** call to sqlite3_free(). @@ -11636,7 +11959,7 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** ** Apply a changeset or patchset to a database. These functions attempt to ** update the "main" database attached to handle db with the changes found in -** the changeset passed via the second and third arguments. +** the changeset passed via the second and third arguments. ** ** The fourth argument (xFilter) passed to these functions is the "filter ** callback". If it is not NULL, then for each table affected by at least one @@ -11647,16 +11970,16 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** Otherwise, if the return value is non-zero or the xFilter argument to ** is NULL, all changes related to the table are attempted. ** -** For each table that is not excluded by the filter callback, this function -** tests that the target database contains a compatible table. A table is +** For each table that is not excluded by the filter callback, this function +** tests that the target database contains a compatible table. A table is ** considered compatible if all of the following are true: ** ** <ul> -** <li> The table has the same name as the name recorded in the +** <li> The table has the same name as the name recorded in the ** changeset, and -** <li> The table has at least as many columns as recorded in the +** <li> The table has at least as many columns as recorded in the ** changeset, and -** <li> The table has primary key columns in the same position as +** <li> The table has primary key columns in the same position as ** recorded in the changeset. ** </ul> ** @@ -11665,11 +11988,11 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** via the sqlite3_log() mechanism with the error code SQLITE_SCHEMA. At most ** one such warning is issued for each table in the changeset. ** -** For each change for which there is a compatible table, an attempt is made -** to modify the table contents according to the UPDATE, INSERT or DELETE -** change. If a change cannot be applied cleanly, the conflict handler -** function passed as the fifth argument to sqlite3changeset_apply() may be -** invoked. A description of exactly when the conflict handler is invoked for +** For each change for which there is a compatible table, an attempt is made +** to modify the table contents according to the UPDATE, INSERT or DELETE +** change. If a change cannot be applied cleanly, the conflict handler +** function passed as the fifth argument to sqlite3changeset_apply() may be +** invoked. A description of exactly when the conflict handler is invoked for ** each type of change is below. ** ** Unlike the xFilter argument, xConflict may not be passed NULL. The results @@ -11677,23 +12000,23 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** argument are undefined. ** ** Each time the conflict handler function is invoked, it must return one -** of [SQLITE_CHANGESET_OMIT], [SQLITE_CHANGESET_ABORT] or +** of [SQLITE_CHANGESET_OMIT], [SQLITE_CHANGESET_ABORT] or ** [SQLITE_CHANGESET_REPLACE]. SQLITE_CHANGESET_REPLACE may only be returned ** if the second argument passed to the conflict handler is either ** SQLITE_CHANGESET_DATA or SQLITE_CHANGESET_CONFLICT. If the conflict-handler ** returns an illegal value, any changes already made are rolled back and -** the call to sqlite3changeset_apply() returns SQLITE_MISUSE. Different +** the call to sqlite3changeset_apply() returns SQLITE_MISUSE. Different ** actions are taken by sqlite3changeset_apply() depending on the value ** returned by each invocation of the conflict-handler function. Refer to -** the documentation for the three +** the documentation for the three ** [SQLITE_CHANGESET_OMIT|available return values] for details. ** ** <dl> ** <dt>DELETE Changes<dd> -** For each DELETE change, the function checks if the target database -** contains a row with the same primary key value (or values) as the -** original row values stored in the changeset. If it does, and the values -** stored in all non-primary key columns also match the values stored in +** For each DELETE change, the function checks if the target database +** contains a row with the same primary key value (or values) as the +** original row values stored in the changeset. If it does, and the values +** stored in all non-primary key columns also match the values stored in ** the changeset the row is deleted from the target database. ** ** If a row with matching primary key values is found, but one or more of @@ -11722,22 +12045,22 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** database table, the trailing fields are populated with their default ** values. ** -** If the attempt to insert the row fails because the database already +** If the attempt to insert the row fails because the database already ** contains a row with the same primary key values, the conflict handler -** function is invoked with the second argument set to +** function is invoked with the second argument set to ** [SQLITE_CHANGESET_CONFLICT]. ** ** If the attempt to insert the row fails because of some other constraint -** violation (e.g. NOT NULL or UNIQUE), the conflict handler function is +** violation (e.g. NOT NULL or UNIQUE), the conflict handler function is ** invoked with the second argument set to [SQLITE_CHANGESET_CONSTRAINT]. -** This includes the case where the INSERT operation is re-attempted because -** an earlier call to the conflict handler function returned +** This includes the case where the INSERT operation is re-attempted because +** an earlier call to the conflict handler function returned ** [SQLITE_CHANGESET_REPLACE]. ** ** <dt>UPDATE Changes<dd> -** For each UPDATE change, the function checks if the target database -** contains a row with the same primary key value (or values) as the -** original row values stored in the changeset. If it does, and the values +** For each UPDATE change, the function checks if the target database +** contains a row with the same primary key value (or values) as the +** original row values stored in the changeset. If it does, and the values ** stored in all modified non-primary key columns also match the values ** stored in the changeset the row is updated within the target database. ** @@ -11753,28 +12076,28 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** the conflict-handler function is invoked with [SQLITE_CHANGESET_NOTFOUND] ** passed as the second argument. ** -** If the UPDATE operation is attempted, but SQLite returns -** SQLITE_CONSTRAINT, the conflict-handler function is invoked with +** If the UPDATE operation is attempted, but SQLite returns +** SQLITE_CONSTRAINT, the conflict-handler function is invoked with ** [SQLITE_CHANGESET_CONSTRAINT] passed as the second argument. -** This includes the case where the UPDATE operation is attempted after +** This includes the case where the UPDATE operation is attempted after ** an earlier call to the conflict handler function returned -** [SQLITE_CHANGESET_REPLACE]. +** [SQLITE_CHANGESET_REPLACE]. ** </dl> ** ** It is safe to execute SQL statements, including those that write to the ** table that the callback related to, from within the xConflict callback. -** This can be used to further customize the applications conflict +** This can be used to further customize the application's conflict ** resolution strategy. ** ** All changes made by these functions are enclosed in a savepoint transaction. ** If any other error (aside from a constraint failure when attempting to ** write to the target database) occurs, then the savepoint transaction is -** rolled back, restoring the target database to its original state, and an +** rolled back, restoring the target database to its original state, and an ** SQLite error code returned. ** ** If the output parameters (ppRebase) and (pnRebase) are non-NULL and ** the input is a changeset (not a patchset), then sqlite3changeset_apply_v2() -** may set (*ppRebase) to point to a "rebase" that may be used with the +** may set (*ppRebase) to point to a "rebase" that may be used with the ** sqlite3_rebaser APIs buffer before returning. In this case (*pnRebase) ** is set to the size of the buffer in bytes. It is the responsibility of the ** caller to eventually free any such buffer using sqlite3_free(). The buffer @@ -11835,7 +12158,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** SAVEPOINT is committed if the changeset or patchset is successfully ** applied, or rolled back if an error occurs. Specifying this flag ** causes the sessions module to omit this savepoint. In this case, if the -** caller has an open transaction or savepoint when apply_v2() is called, +** caller has an open transaction or savepoint when apply_v2() is called, ** it may revert the partially applied changeset by rolling it back. ** ** <dt>SQLITE_CHANGESETAPPLY_INVERT <dd> @@ -11846,7 +12169,7 @@ SQLITE_API int sqlite3changeset_apply_v2( #define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001 #define SQLITE_CHANGESETAPPLY_INVERT 0x0002 -/* +/* ** CAPI3REF: Constants Passed To The Conflict Handler ** ** Values that may be passed as the second argument to a conflict-handler. @@ -11855,32 +12178,32 @@ SQLITE_API int sqlite3changeset_apply_v2( ** <dt>SQLITE_CHANGESET_DATA<dd> ** The conflict handler is invoked with CHANGESET_DATA as the second argument ** when processing a DELETE or UPDATE change if a row with the required -** PRIMARY KEY fields is present in the database, but one or more other -** (non primary-key) fields modified by the update do not contain the +** PRIMARY KEY fields is present in the database, but one or more other +** (non primary-key) fields modified by the update do not contain the ** expected "before" values. -** +** ** The conflicting row, in this case, is the database row with the matching ** primary key. -** +** ** <dt>SQLITE_CHANGESET_NOTFOUND<dd> ** The conflict handler is invoked with CHANGESET_NOTFOUND as the second ** argument when processing a DELETE or UPDATE change if a row with the ** required PRIMARY KEY fields is not present in the database. -** +** ** There is no conflicting row in this case. The results of invoking the ** sqlite3changeset_conflict() API are undefined. -** +** ** <dt>SQLITE_CHANGESET_CONFLICT<dd> ** CHANGESET_CONFLICT is passed as the second argument to the conflict -** handler while processing an INSERT change if the operation would result +** handler while processing an INSERT change if the operation would result ** in duplicate primary key values. -** +** ** The conflicting row in this case is the database row with the matching ** primary key. ** ** <dt>SQLITE_CHANGESET_FOREIGN_KEY<dd> ** If foreign key handling is enabled, and applying a changeset leaves the -** database in a state containing foreign key violations, the conflict +** database in a state containing foreign key violations, the conflict ** handler is invoked with CHANGESET_FOREIGN_KEY as the second argument ** exactly once before the changeset is committed. If the conflict handler ** returns CHANGESET_OMIT, the changes, including those that caused the @@ -11890,12 +12213,12 @@ SQLITE_API int sqlite3changeset_apply_v2( ** No current or conflicting row information is provided. The only function ** it is possible to call on the supplied sqlite3_changeset_iter handle ** is sqlite3changeset_fk_conflicts(). -** +** ** <dt>SQLITE_CHANGESET_CONSTRAINT<dd> -** If any other constraint violation occurs while applying a change (i.e. -** a UNIQUE, CHECK or NOT NULL constraint), the conflict handler is +** If any other constraint violation occurs while applying a change (i.e. +** a UNIQUE, CHECK or NOT NULL constraint), the conflict handler is ** invoked with CHANGESET_CONSTRAINT as the second argument. -** +** ** There is no conflicting row in this case. The results of invoking the ** sqlite3changeset_conflict() API are undefined. ** @@ -11907,7 +12230,7 @@ SQLITE_API int sqlite3changeset_apply_v2( #define SQLITE_CHANGESET_CONSTRAINT 4 #define SQLITE_CHANGESET_FOREIGN_KEY 5 -/* +/* ** CAPI3REF: Constants Returned By The Conflict Handler ** ** A conflict handler callback must return one of the following three values. @@ -11915,13 +12238,13 @@ SQLITE_API int sqlite3changeset_apply_v2( ** <dl> ** <dt>SQLITE_CHANGESET_OMIT<dd> ** If a conflict handler returns this value no special action is taken. The -** change that caused the conflict is not applied. The session module +** change that caused the conflict is not applied. The session module ** continues to the next change in the changeset. ** ** <dt>SQLITE_CHANGESET_REPLACE<dd> ** This value may only be returned if the second argument to the conflict ** handler was SQLITE_CHANGESET_DATA or SQLITE_CHANGESET_CONFLICT. If this -** is not the case, any changes applied so far are rolled back and the +** is not the case, any changes applied so far are rolled back and the ** call to sqlite3changeset_apply() returns SQLITE_MISUSE. ** ** If CHANGESET_REPLACE is returned by an SQLITE_CHANGESET_DATA conflict @@ -11934,7 +12257,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** the original row is restored to the database before continuing. ** ** <dt>SQLITE_CHANGESET_ABORT<dd> -** If this value is returned, any changes applied so far are rolled back +** If this value is returned, any changes applied so far are rolled back ** and the call to sqlite3changeset_apply() returns SQLITE_ABORT. ** </dl> */ @@ -11942,20 +12265,20 @@ SQLITE_API int sqlite3changeset_apply_v2( #define SQLITE_CHANGESET_REPLACE 1 #define SQLITE_CHANGESET_ABORT 2 -/* +/* ** CAPI3REF: Rebasing changesets ** EXPERIMENTAL ** ** Suppose there is a site hosting a database in state S0. And that ** modifications are made that move that database to state S1 and a ** changeset recorded (the "local" changeset). Then, a changeset based -** on S0 is received from another site (the "remote" changeset) and -** applied to the database. The database is then in state +** on S0 is received from another site (the "remote" changeset) and +** applied to the database. The database is then in state ** (S1+"remote"), where the exact state depends on any conflict ** resolution decisions (OMIT or REPLACE) made while applying "remote". -** Rebasing a changeset is to update it to take those conflict +** Rebasing a changeset is to update it to take those conflict ** resolution decisions into account, so that the same conflicts -** do not have to be resolved elsewhere in the network. +** do not have to be resolved elsewhere in the network. ** ** For example, if both the local and remote changesets contain an ** INSERT of the same key on "CREATE TABLE t1(a PRIMARY KEY, b)": @@ -11974,7 +12297,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** ** <dl> ** <dt>Local INSERT<dd> -** This may only conflict with a remote INSERT. If the conflict +** This may only conflict with a remote INSERT. If the conflict ** resolution was OMIT, then add an UPDATE change to the rebased ** changeset. Or, if the conflict resolution was REPLACE, add ** nothing to the rebased changeset. @@ -11998,12 +12321,12 @@ SQLITE_API int sqlite3changeset_apply_v2( ** the old.* values are rebased using the new.* values in the remote ** change. Or, if the resolution is REPLACE, then the change is copied ** into the rebased changeset with updates to columns also updated by -** the conflicting remote UPDATE removed. If this means no columns would +** the conflicting remote UPDATE removed. If this means no columns would ** be updated, the change is omitted. ** </dl> ** -** A local change may be rebased against multiple remote changes -** simultaneously. If a single key is modified by multiple remote +** A local change may be rebased against multiple remote changes +** simultaneously. If a single key is modified by multiple remote ** changesets, they are combined as follows before the local changeset ** is rebased: ** @@ -12016,10 +12339,10 @@ SQLITE_API int sqlite3changeset_apply_v2( ** of the OMIT resolutions. ** </ul> ** -** Note that conflict resolutions from multiple remote changesets are -** combined on a per-field basis, not per-row. This means that in the -** case of multiple remote UPDATE operations, some fields of a single -** local change may be rebased for REPLACE while others are rebased for +** Note that conflict resolutions from multiple remote changesets are +** combined on a per-field basis, not per-row. This means that in the +** case of multiple remote UPDATE operations, some fields of a single +** local change may be rebased for REPLACE while others are rebased for ** OMIT. ** ** In order to rebase a local changeset, the remote changeset must first @@ -12027,7 +12350,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** the buffer of rebase information captured. Then: ** ** <ol> -** <li> An sqlite3_rebaser object is created by calling +** <li> An sqlite3_rebaser object is created by calling ** sqlite3rebaser_create(). ** <li> The new object is configured with the rebase buffer obtained from ** sqlite3changeset_apply_v2() by calling sqlite3rebaser_configure(). @@ -12048,8 +12371,8 @@ typedef struct sqlite3_rebaser sqlite3_rebaser; ** ** Allocate a new changeset rebaser object. If successful, set (*ppNew) to ** point to the new object and return SQLITE_OK. Otherwise, if an error -** occurs, return an SQLite error code (e.g. SQLITE_NOMEM) and set (*ppNew) -** to NULL. +** occurs, return an SQLite error code (e.g. SQLITE_NOMEM) and set (*ppNew) +** to NULL. */ SQLITE_API int sqlite3rebaser_create(sqlite3_rebaser **ppNew); @@ -12063,9 +12386,9 @@ SQLITE_API int sqlite3rebaser_create(sqlite3_rebaser **ppNew); ** sqlite3changeset_apply_v2(). */ SQLITE_API int sqlite3rebaser_configure( - sqlite3_rebaser*, + sqlite3_rebaser*, int nRebase, const void *pRebase -); +); /* ** CAPI3REF: Rebase a changeset @@ -12073,9 +12396,9 @@ SQLITE_API int sqlite3rebaser_configure( ** ** Argument pIn must point to a buffer containing a changeset nIn bytes ** in size. This function allocates and populates a buffer with a copy -** of the changeset rebased rebased according to the configuration of the +** of the changeset rebased according to the configuration of the ** rebaser object passed as the first argument. If successful, (*ppOut) -** is set to point to the new buffer containing the rebased changeset and +** is set to point to the new buffer containing the rebased changeset and ** (*pnOut) to its size in bytes and SQLITE_OK returned. It is the ** responsibility of the caller to eventually free the new buffer using ** sqlite3_free(). Otherwise, if an error occurs, (*ppOut) and (*pnOut) @@ -12083,8 +12406,8 @@ SQLITE_API int sqlite3rebaser_configure( */ SQLITE_API int sqlite3rebaser_rebase( sqlite3_rebaser*, - int nIn, const void *pIn, - int *pnOut, void **ppOut + int nIn, const void *pIn, + int *pnOut, void **ppOut ); /* @@ -12095,30 +12418,30 @@ SQLITE_API int sqlite3rebaser_rebase( ** should be one call to this function for each successful invocation ** of sqlite3rebaser_create(). */ -SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); +SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); /* ** CAPI3REF: Streaming Versions of API functions. ** -** The six streaming API xxx_strm() functions serve similar purposes to the +** The six streaming API xxx_strm() functions serve similar purposes to the ** corresponding non-streaming API functions: ** ** <table border=1 style="margin-left:8ex;margin-right:8ex"> ** <tr><th>Streaming function<th>Non-streaming equivalent</th> -** <tr><td>sqlite3changeset_apply_strm<td>[sqlite3changeset_apply] -** <tr><td>sqlite3changeset_apply_strm_v2<td>[sqlite3changeset_apply_v2] -** <tr><td>sqlite3changeset_concat_strm<td>[sqlite3changeset_concat] -** <tr><td>sqlite3changeset_invert_strm<td>[sqlite3changeset_invert] -** <tr><td>sqlite3changeset_start_strm<td>[sqlite3changeset_start] -** <tr><td>sqlite3session_changeset_strm<td>[sqlite3session_changeset] -** <tr><td>sqlite3session_patchset_strm<td>[sqlite3session_patchset] +** <tr><td>sqlite3changeset_apply_strm<td>[sqlite3changeset_apply] +** <tr><td>sqlite3changeset_apply_strm_v2<td>[sqlite3changeset_apply_v2] +** <tr><td>sqlite3changeset_concat_strm<td>[sqlite3changeset_concat] +** <tr><td>sqlite3changeset_invert_strm<td>[sqlite3changeset_invert] +** <tr><td>sqlite3changeset_start_strm<td>[sqlite3changeset_start] +** <tr><td>sqlite3session_changeset_strm<td>[sqlite3session_changeset] +** <tr><td>sqlite3session_patchset_strm<td>[sqlite3session_patchset] ** </table> ** ** Non-streaming functions that accept changesets (or patchsets) as input -** require that the entire changeset be stored in a single buffer in memory. -** Similarly, those that return a changeset or patchset do so by returning -** a pointer to a single large buffer allocated using sqlite3_malloc(). -** Normally this is convenient. However, if an application running in a +** require that the entire changeset be stored in a single buffer in memory. +** Similarly, those that return a changeset or patchset do so by returning +** a pointer to a single large buffer allocated using sqlite3_malloc(). +** Normally this is convenient. However, if an application running in a ** low-memory environment is required to handle very large changesets, the ** large contiguous memory allocations required can become onerous. ** @@ -12140,12 +12463,12 @@ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); ** </pre> ** ** Each time the xInput callback is invoked by the sessions module, the first -** argument passed is a copy of the supplied pIn context pointer. The second -** argument, pData, points to a buffer (*pnData) bytes in size. Assuming no -** error occurs the xInput method should copy up to (*pnData) bytes of data -** into the buffer and set (*pnData) to the actual number of bytes copied -** before returning SQLITE_OK. If the input is completely exhausted, (*pnData) -** should be set to zero to indicate this. Or, if an error occurs, an SQLite +** argument passed is a copy of the supplied pIn context pointer. The second +** argument, pData, points to a buffer (*pnData) bytes in size. Assuming no +** error occurs the xInput method should copy up to (*pnData) bytes of data +** into the buffer and set (*pnData) to the actual number of bytes copied +** before returning SQLITE_OK. If the input is completely exhausted, (*pnData) +** should be set to zero to indicate this. Or, if an error occurs, an SQLite ** error code should be returned. In all cases, if an xInput callback returns ** an error, all processing is abandoned and the streaming API function ** returns a copy of the error code to the caller. @@ -12153,7 +12476,7 @@ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); ** In the case of sqlite3changeset_start_strm(), the xInput callback may be ** invoked by the sessions module at any point during the lifetime of the ** iterator. If such an xInput callback returns an error, the iterator enters -** an error state, whereby all subsequent calls to iterator functions +** an error state, whereby all subsequent calls to iterator functions ** immediately fail with the same error code as returned by xInput. ** ** Similarly, streaming API functions that return changesets (or patchsets) @@ -12183,7 +12506,7 @@ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); ** is immediately abandoned and the streaming API function returns a copy ** of the xOutput error code to the application. ** -** The sessions module never invokes an xOutput callback with the third +** The sessions module never invokes an xOutput callback with the third ** parameter set to a value less than or equal to zero. Other than this, ** no guarantees are made as to the size of the chunks of data returned. */ @@ -12254,12 +12577,12 @@ SQLITE_API int sqlite3session_patchset_strm( int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ); -SQLITE_API int sqlite3changegroup_add_strm(sqlite3_changegroup*, +SQLITE_API int sqlite3changegroup_add_strm(sqlite3_changegroup*, int (*xInput)(void *pIn, void *pData, int *pnData), void *pIn ); SQLITE_API int sqlite3changegroup_output_strm(sqlite3_changegroup*, - int (*xOutput)(void *pOut, const void *pData, int nData), + int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ); SQLITE_API int sqlite3rebaser_rebase_strm( @@ -12274,16 +12597,16 @@ SQLITE_API int sqlite3rebaser_rebase_strm( ** CAPI3REF: Configure global parameters ** ** The sqlite3session_config() interface is used to make global configuration -** changes to the sessions module in order to tune it to the specific needs +** changes to the sessions module in order to tune it to the specific needs ** of the application. ** ** The sqlite3session_config() interface is not threadsafe. If it is invoked ** while any other thread is inside any other sessions method then the ** results are undefined. Furthermore, if it is invoked after any sessions -** related objects have been created, the results are also undefined. +** related objects have been created, the results are also undefined. ** ** The first argument to the sqlite3session_config() function must be one -** of the SQLITE_SESSION_CONFIG_XXX constants defined below. The +** of the SQLITE_SESSION_CONFIG_XXX constants defined below. The ** interpretation of the (void*) value passed as the second parameter and ** the effect of calling this function depends on the value of the first ** parameter. @@ -12333,7 +12656,7 @@ SQLITE_API int sqlite3session_config(int op, void *pArg); ** ****************************************************************************** ** -** Interfaces to extend FTS5. Using the interfaces defined in this file, +** Interfaces to extend FTS5. Using the interfaces defined in this file, ** FTS5 may be extended with: ** ** * custom tokenizers, and @@ -12377,19 +12700,19 @@ struct Fts5PhraseIter { ** EXTENSION API FUNCTIONS ** ** xUserData(pFts): -** Return a copy of the context pointer the extension function was +** Return a copy of the context pointer the extension function was ** registered with. ** ** xColumnTotalSize(pFts, iCol, pnToken): ** If parameter iCol is less than zero, set output variable *pnToken ** to the total number of tokens in the FTS5 table. Or, if iCol is ** non-negative but less than the number of columns in the table, return -** the total number of tokens in column iCol, considering all rows in +** the total number of tokens in column iCol, considering all rows in ** the FTS5 table. ** ** If parameter iCol is greater than or equal to the number of columns ** in the table, SQLITE_RANGE is returned. Or, if an error occurs (e.g. -** an OOM condition or IO error), an appropriate SQLite error code is +** an OOM condition or IO error), an appropriate SQLite error code is ** returned. ** ** xColumnCount(pFts): @@ -12403,7 +12726,7 @@ struct Fts5PhraseIter { ** ** If parameter iCol is greater than or equal to the number of columns ** in the table, SQLITE_RANGE is returned. Or, if an error occurs (e.g. -** an OOM condition or IO error), an appropriate SQLite error code is +** an OOM condition or IO error), an appropriate SQLite error code is ** returned. ** ** This function may be quite inefficient if used with an FTS5 table @@ -12430,8 +12753,8 @@ struct Fts5PhraseIter { ** an error code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. If the FTS5 table is created -** with either "detail=none" or "detail=column" and "content=" option +** "detail=none" or "detail=column" option. If the FTS5 table is created +** with either "detail=none" or "detail=column" and "content=" option ** (i.e. if it is a contentless table), then this API always returns 0. ** ** xInst: @@ -12446,7 +12769,7 @@ struct Fts5PhraseIter { ** code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. +** "detail=none" or "detail=column" option. ** ** xRowid: ** Returns the rowid of the current row. @@ -12462,11 +12785,11 @@ struct Fts5PhraseIter { ** ** with $p set to a phrase equivalent to the phrase iPhrase of the ** current query is executed. Any column filter that applies to -** phrase iPhrase of the current query is included in $p. For each -** row visited, the callback function passed as the fourth argument -** is invoked. The context and API objects passed to the callback +** phrase iPhrase of the current query is included in $p. For each +** row visited, the callback function passed as the fourth argument +** is invoked. The context and API objects passed to the callback ** function may be used to access the properties of each matched row. -** Invoking Api.xUserData() returns a copy of the pointer passed as +** Invoking Api.xUserData() returns a copy of the pointer passed as ** the third argument to pUserData. ** ** If the callback function returns any value other than SQLITE_OK, the @@ -12481,14 +12804,14 @@ struct Fts5PhraseIter { ** ** xSetAuxdata(pFts5, pAux, xDelete) ** -** Save the pointer passed as the second argument as the extension functions +** Save the pointer passed as the second argument as the extension function's ** "auxiliary data". The pointer may then be retrieved by the current or any ** future invocation of the same fts5 extension function made as part of ** the same MATCH query using the xGetAuxdata() API. ** ** Each extension function is allocated a single auxiliary data slot for -** each FTS query (MATCH expression). If the extension function is invoked -** more than once for a single FTS query, then all invocations share a +** each FTS query (MATCH expression). If the extension function is invoked +** more than once for a single FTS query, then all invocations share a ** single auxiliary data context. ** ** If there is already an auxiliary data pointer when this function is @@ -12507,7 +12830,7 @@ struct Fts5PhraseIter { ** ** xGetAuxdata(pFts5, bClear) ** -** Returns the current auxiliary data pointer for the fts5 extension +** Returns the current auxiliary data pointer for the fts5 extension ** function. See the xSetAuxdata() method for details. ** ** If the bClear argument is non-zero, then the auxiliary data is cleared @@ -12527,7 +12850,7 @@ struct Fts5PhraseIter { ** method, to iterate through all instances of a single query phrase within ** the current row. This is the same information as is accessible via the ** xInstCount/xInst APIs. While the xInstCount/xInst APIs are more convenient -** to use, this API may be faster under some circumstances. To iterate +** to use, this API may be faster under some circumstances. To iterate ** through instances of phrase iPhrase, use the following code: ** ** Fts5PhraseIter iter; @@ -12545,8 +12868,8 @@ struct Fts5PhraseIter { ** xPhraseFirstColumn() and xPhraseNextColumn() as illustrated below). ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. If the FTS5 table is created -** with either "detail=none" or "detail=column" and "content=" option +** "detail=none" or "detail=column" option. If the FTS5 table is created +** with either "detail=none" or "detail=column" and "content=" option ** (i.e. if it is a contentless table), then this API always iterates ** through an empty set (all calls to xPhraseFirst() set iCol to -1). ** @@ -12570,16 +12893,16 @@ struct Fts5PhraseIter { ** } ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" option. If the FTS5 table is created with either -** "detail=none" "content=" option (i.e. if it is a contentless table), -** then this API always iterates through an empty set (all calls to +** "detail=none" option. If the FTS5 table is created with either +** "detail=none" "content=" option (i.e. if it is a contentless table), +** then this API always iterates through an empty set (all calls to ** xPhraseFirstColumn() set iCol to -1). ** ** The information accessed using this API and its companion ** xPhraseFirstColumn() may also be obtained using xPhraseFirst/xPhraseNext ** (or xInst/xInstCount). The chief advantage of this API is that it is ** significantly more efficient than those alternatives when used with -** "detail=column" tables. +** "detail=column" tables. ** ** xPhraseNextColumn() ** See xPhraseFirstColumn above. @@ -12593,7 +12916,7 @@ struct Fts5ExtensionApi { int (*xRowCount)(Fts5Context*, sqlite3_int64 *pnRow); int (*xColumnTotalSize)(Fts5Context*, int iCol, sqlite3_int64 *pnToken); - int (*xTokenize)(Fts5Context*, + int (*xTokenize)(Fts5Context*, const char *pText, int nText, /* Text to tokenize */ void *pCtx, /* Context passed to xToken() */ int (*xToken)(void*, int, const char*, int, int, int) /* Callback */ @@ -12622,15 +12945,15 @@ struct Fts5ExtensionApi { void (*xPhraseNextColumn)(Fts5Context*, Fts5PhraseIter*, int *piCol); }; -/* +/* ** CUSTOM AUXILIARY FUNCTIONS *************************************************************************/ /************************************************************************* ** CUSTOM TOKENIZERS ** -** Applications may also register custom tokenizer types. A tokenizer -** is registered by providing fts5 with a populated instance of the +** Applications may also register custom tokenizer types. A tokenizer +** is registered by providing fts5 with a populated instance of the ** following structure. All structure methods must be defined, setting ** any member of the fts5_tokenizer struct to NULL leads to undefined ** behaviour. The structure methods are expected to function as follows: @@ -12641,16 +12964,16 @@ struct Fts5ExtensionApi { ** ** The first argument passed to this function is a copy of the (void*) ** pointer provided by the application when the fts5_tokenizer object -** was registered with FTS5 (the third argument to xCreateTokenizer()). +** was registered with FTS5 (the third argument to xCreateTokenizer()). ** The second and third arguments are an array of nul-terminated strings ** containing the tokenizer arguments, if any, specified following the ** tokenizer name as part of the CREATE VIRTUAL TABLE statement used ** to create the FTS5 table. ** -** The final argument is an output variable. If successful, (*ppOut) +** The final argument is an output variable. If successful, (*ppOut) ** should be set to point to the new tokenizer handle and SQLITE_OK ** returned. If an error occurs, some value other than SQLITE_OK should -** be returned. In this case, fts5 assumes that the final value of *ppOut +** be returned. In this case, fts5 assumes that the final value of *ppOut ** is undefined. ** ** xDelete: @@ -12659,7 +12982,7 @@ struct Fts5ExtensionApi { ** be invoked exactly once for each successful call to xCreate(). ** ** xTokenize: -** This function is expected to tokenize the nText byte string indicated +** This function is expected to tokenize the nText byte string indicated ** by argument pText. pText may or may not be nul-terminated. The first ** argument passed to this function is a pointer to an Fts5Tokenizer object ** returned by an earlier call to xCreate(). @@ -12673,8 +12996,8 @@ struct Fts5ExtensionApi { ** determine the set of tokens to add to (or delete from) the ** FTS index. ** -** <li> <b>FTS5_TOKENIZE_QUERY</b> - A MATCH query is being executed -** against the FTS index. The tokenizer is being called to tokenize +** <li> <b>FTS5_TOKENIZE_QUERY</b> - A MATCH query is being executed +** against the FTS index. The tokenizer is being called to tokenize ** a bareword or quoted string specified as part of the query. ** ** <li> <b>(FTS5_TOKENIZE_QUERY | FTS5_TOKENIZE_PREFIX)</b> - Same as @@ -12682,10 +13005,10 @@ struct Fts5ExtensionApi { ** followed by a "*" character, indicating that the last token ** returned by the tokenizer will be treated as a token prefix. ** -** <li> <b>FTS5_TOKENIZE_AUX</b> - The tokenizer is being invoked to +** <li> <b>FTS5_TOKENIZE_AUX</b> - The tokenizer is being invoked to ** satisfy an fts5_api.xTokenize() request made by an auxiliary ** function. Or an fts5_api.xColumnSize() request made by the same -** on a columnsize=0 database. +** on a columnsize=0 database. ** </ul> ** ** For each token in the input string, the supplied callback xToken() must @@ -12697,10 +13020,10 @@ struct Fts5ExtensionApi { ** which the token is derived within the input. ** ** The second argument passed to the xToken() callback ("tflags") should -** normally be set to 0. The exception is if the tokenizer supports +** normally be set to 0. The exception is if the tokenizer supports ** synonyms. In this case see the discussion below for details. ** -** FTS5 assumes the xToken() callback is invoked for each token in the +** FTS5 assumes the xToken() callback is invoked for each token in the ** order that they occur within the input text. ** ** If an xToken() callback returns any value other than SQLITE_OK, then @@ -12714,7 +13037,7 @@ struct Fts5ExtensionApi { ** SYNONYM SUPPORT ** ** Custom tokenizers may also support synonyms. Consider a case in which a -** user wishes to query for a phrase such as "first place". Using the +** user wishes to query for a phrase such as "first place". Using the ** built-in tokenizers, the FTS5 query 'first + place' will match instances ** of "first place" within the document set, but not alternative forms ** such as "1st place". In some applications, it would be better to match @@ -12723,8 +13046,8 @@ struct Fts5ExtensionApi { ** ** There are several ways to approach this in FTS5: ** -** <ol><li> By mapping all synonyms to a single token. In this case, the -** In the above example, this means that the tokenizer returns the +** <ol><li> By mapping all synonyms to a single token. In this case, using +** the above example, this means that the tokenizer returns the ** same token for inputs "first" and "1st". Say that token is in ** fact "first", so that when the user inserts the document "I won ** 1st place" entries are added to the index for tokens "i", "won", @@ -12734,34 +13057,34 @@ struct Fts5ExtensionApi { ** ** <li> By querying the index for all synonyms of each query term ** separately. In this case, when tokenizing query text, the -** tokenizer may provide multiple synonyms for a single term -** within the document. FTS5 then queries the index for each +** tokenizer may provide multiple synonyms for a single term +** within the document. FTS5 then queries the index for each ** synonym individually. For example, faced with the query: ** ** <codeblock> ** ... MATCH 'first place'</codeblock> ** ** the tokenizer offers both "1st" and "first" as synonyms for the -** first token in the MATCH query and FTS5 effectively runs a query +** first token in the MATCH query and FTS5 effectively runs a query ** similar to: ** ** <codeblock> ** ... MATCH '(first OR 1st) place'</codeblock> ** ** except that, for the purposes of auxiliary functions, the query -** still appears to contain just two phrases - "(first OR 1st)" +** still appears to contain just two phrases - "(first OR 1st)" ** being treated as a single phrase. ** ** <li> By adding multiple synonyms for a single term to the FTS index. ** Using this method, when tokenizing document text, the tokenizer -** provides multiple synonyms for each token. So that when a +** provides multiple synonyms for each token. So that when a ** document such as "I won first place" is tokenized, entries are ** added to the FTS index for "i", "won", "first", "1st" and ** "place". ** ** This way, even if the tokenizer does not provide synonyms ** when tokenizing query text (it should not - to do so would be -** inefficient), it doesn't matter if the user queries for +** inefficient), it doesn't matter if the user queries for ** 'first + place' or '1st + place', as there are entries in the ** FTS index corresponding to both forms of the first token. ** </ol> @@ -12782,11 +13105,11 @@ struct Fts5ExtensionApi { ** ** It is an error to specify the FTS5_TOKEN_COLOCATED flag the first time ** xToken() is called. Multiple synonyms may be specified for a single token -** by making multiple calls to xToken(FTS5_TOKEN_COLOCATED) in sequence. +** by making multiple calls to xToken(FTS5_TOKEN_COLOCATED) in sequence. ** There is no limit to the number of synonyms that may be provided for a ** single token. ** -** In many cases, method (1) above is the best approach. It does not add +** In many cases, method (1) above is the best approach. It does not add ** extra data to the FTS index or require FTS5 to query for multiple terms, ** so it is efficient in terms of disk space and query speed. However, it ** does not support prefix queries very well. If, as suggested above, the @@ -12798,18 +13121,18 @@ struct Fts5ExtensionApi { ** will not match documents that contain the token "1st" (as the tokenizer ** will probably not map "1s" to any prefix of "first"). ** -** For full prefix support, method (3) may be preferred. In this case, +** For full prefix support, method (3) may be preferred. In this case, ** because the index contains entries for both "first" and "1st", prefix ** queries such as 'fi*' or '1s*' will match correctly. However, because ** extra entries are added to the FTS index, this method uses more space ** within the database. ** ** Method (2) offers a midpoint between (1) and (3). Using this method, -** a query such as '1s*' will match documents that contain the literal +** a query such as '1s*' will match documents that contain the literal ** token "1st", but not "first" (assuming the tokenizer is not able to ** provide synonyms for prefixes). However, a non-prefix query like '1st' ** will match against "1st" and "first". This method does not require -** extra disk space, as no extra entries are added to the FTS index. +** extra disk space, as no extra entries are added to the FTS index. ** On the other hand, it may require more CPU cycles to run MATCH queries, ** as separate queries of the FTS index are required for each synonym. ** @@ -12823,10 +13146,10 @@ typedef struct fts5_tokenizer fts5_tokenizer; struct fts5_tokenizer { int (*xCreate)(void*, const char **azArg, int nArg, Fts5Tokenizer **ppOut); void (*xDelete)(Fts5Tokenizer*); - int (*xTokenize)(Fts5Tokenizer*, + int (*xTokenize)(Fts5Tokenizer*, void *pCtx, int flags, /* Mask of FTS5_TOKENIZE_* flags */ - const char *pText, int nText, + const char *pText, int nText, int (*xToken)( void *pCtx, /* Copy of 2nd argument to xTokenize() */ int tflags, /* Mask of FTS5_TOKEN_* flags */ @@ -12923,7 +13246,7 @@ struct fts5_api { ** May you share freely, never taking more than you give. ** ************************************************************************* -** +** ** This file defines various limits of what SQLite can process. */ @@ -12971,9 +13294,9 @@ struct fts5_api { #endif /* -** The maximum depth of an expression tree. This is limited to -** some extent by SQLITE_MAX_SQL_LENGTH. But sometime you might -** want to place more severe limits on the complexity of an +** The maximum depth of an expression tree. This is limited to +** some extent by SQLITE_MAX_SQL_LENGTH. But sometime you might +** want to place more severe limits on the complexity of an ** expression. ** ** A value of 0 used to mean that the limit was not enforced. @@ -13045,9 +13368,12 @@ struct fts5_api { /* ** The maximum value of a ?nnn wildcard that the parser will accept. +** If the value exceeds 32767 then extra space is required for the Expr +** structure. But otherwise, we believe that the number can be as large +** as a signed 32-bit integer can hold. */ #ifndef SQLITE_MAX_VARIABLE_NUMBER -# define SQLITE_MAX_VARIABLE_NUMBER 999 +# define SQLITE_MAX_VARIABLE_NUMBER 32766 #endif /* Maximum page size. The upper bound on this value is 65536. This a limit @@ -13055,10 +13381,10 @@ struct fts5_api { ** ** Earlier versions of SQLite allowed the user to change this value at ** compile time. This is no longer permitted, on the grounds that it creates -** a library that is technically incompatible with an SQLite library -** compiled with a different limit. If a process operating on a database -** with a page-size of 65536 bytes crashes, then an instance of SQLite -** compiled with the default page-size limit will not be able to rollback +** a library that is technically incompatible with an SQLite library +** compiled with a different limit. If a process operating on a database +** with a page-size of 65536 bytes crashes, then an instance of SQLite +** compiled with the default page-size limit will not be able to rollback ** the aborted transaction. This could lead to database corruption. */ #ifdef SQLITE_MAX_PAGE_SIZE @@ -13117,7 +13443,7 @@ struct fts5_api { ** Maximum depth of recursion for triggers. ** ** A value of 1 means that a trigger program will not be able to itself -** fire any triggers. A value of 0 means that no trigger programs at all +** fire any triggers. A value of 0 means that no trigger programs at all ** may be executed. */ #ifndef SQLITE_MAX_TRIGGER_DEPTH @@ -13137,6 +13463,21 @@ struct fts5_api { #endif /* +** WAL mode depends on atomic aligned 32-bit loads and stores in a few +** places. The following macros try to make this explicit. +*/ +#ifndef __has_extension +# define __has_extension(x) 0 /* compatibility with non-clang compilers */ +#endif +#if GCC_VERSION>=4007000 || __has_extension(c_atomic) +# define AtomicLoad(PTR) __atomic_load_n((PTR),__ATOMIC_RELAXED) +# define AtomicStore(PTR,VAL) __atomic_store_n((PTR),(VAL),__ATOMIC_RELAXED) +#else +# define AtomicLoad(PTR) (*(PTR)) +# define AtomicStore(PTR,VAL) (*(PTR) = (VAL)) +#endif + +/* ** Include standard header files as necessary */ #ifdef HAVE_STDINT_H @@ -13397,6 +13738,26 @@ SQLITE_PRIVATE void sqlite3Coverage(int); #endif /* +** The harmless(X) macro indicates that expression X is usually false +** but can be true without causing any problems, but we don't know of +** any way to cause X to be true. +** +** In debugging and testing builds, this macro will abort if X is ever +** true. In this way, developers are alerted to a possible test case +** that causes X to be true. If a harmless macro ever fails, that is +** an opportunity to change the macro into a testcase() and add a new +** test case to the test suite. +** +** For normal production builds, harmless(X) is a no-op, since it does +** not matter whether expression X is true or false. +*/ +#ifdef SQLITE_DEBUG +# define harmless(X) assert(!(X)); +#else +# define harmless(X) +#endif + +/* ** Some conditionals are optimizations only. In other words, if the ** conditionals are replaced with a constant 1 (true) or 0 (false) then ** the correct answer is still obtained, though perhaps not as quickly. @@ -13515,7 +13876,7 @@ typedef struct HashElem HashElem; ** element pointed to plus the next _ht.count-1 elements in the list. ** ** Hash.htsize and Hash.ht may be zero. In that case lookup is done -** by a linear search of the global list. For small tables, the +** by a linear search of the global list. For small tables, the ** Hash.ht table is never allocated because if there are few elements ** in the table, it is faster to do a linear search than to manage ** the hash table. @@ -13530,7 +13891,7 @@ struct Hash { } *ht; }; -/* Each element in the hash table is an instance of the following +/* Each element in the hash table is an instance of the following ** structure. All elements are stored on a single doubly-linked list. ** ** Again, this structure is intended to be opaque, but it can't really @@ -13673,90 +14034,92 @@ SQLITE_PRIVATE void sqlite3HashClear(Hash*); #define TK_GROUPS 92 #define TK_OTHERS 93 #define TK_TIES 94 -#define TK_REINDEX 95 -#define TK_RENAME 96 -#define TK_CTIME_KW 97 -#define TK_ANY 98 -#define TK_BITAND 99 -#define TK_BITOR 100 -#define TK_LSHIFT 101 -#define TK_RSHIFT 102 -#define TK_PLUS 103 -#define TK_MINUS 104 -#define TK_STAR 105 -#define TK_SLASH 106 -#define TK_REM 107 -#define TK_CONCAT 108 -#define TK_COLLATE 109 -#define TK_BITNOT 110 -#define TK_ON 111 -#define TK_INDEXED 112 -#define TK_STRING 113 -#define TK_JOIN_KW 114 -#define TK_CONSTRAINT 115 -#define TK_DEFAULT 116 -#define TK_NULL 117 -#define TK_PRIMARY 118 -#define TK_UNIQUE 119 -#define TK_CHECK 120 -#define TK_REFERENCES 121 -#define TK_AUTOINCR 122 -#define TK_INSERT 123 -#define TK_DELETE 124 -#define TK_UPDATE 125 -#define TK_SET 126 -#define TK_DEFERRABLE 127 -#define TK_FOREIGN 128 -#define TK_DROP 129 -#define TK_UNION 130 -#define TK_ALL 131 -#define TK_EXCEPT 132 -#define TK_INTERSECT 133 -#define TK_SELECT 134 -#define TK_VALUES 135 -#define TK_DISTINCT 136 -#define TK_DOT 137 -#define TK_FROM 138 -#define TK_JOIN 139 -#define TK_USING 140 -#define TK_ORDER 141 -#define TK_GROUP 142 -#define TK_HAVING 143 -#define TK_LIMIT 144 -#define TK_WHERE 145 -#define TK_INTO 146 -#define TK_NOTHING 147 -#define TK_FLOAT 148 -#define TK_BLOB 149 -#define TK_INTEGER 150 -#define TK_VARIABLE 151 -#define TK_CASE 152 -#define TK_WHEN 153 -#define TK_THEN 154 -#define TK_ELSE 155 -#define TK_INDEX 156 -#define TK_ALTER 157 -#define TK_ADD 158 -#define TK_WINDOW 159 -#define TK_OVER 160 -#define TK_FILTER 161 -#define TK_COLUMN 162 -#define TK_AGG_FUNCTION 163 -#define TK_AGG_COLUMN 164 -#define TK_TRUEFALSE 165 -#define TK_ISNOT 166 -#define TK_FUNCTION 167 -#define TK_UMINUS 168 -#define TK_UPLUS 169 -#define TK_TRUTH 170 -#define TK_REGISTER 171 -#define TK_VECTOR 172 -#define TK_SELECT_COLUMN 173 -#define TK_IF_NULL_ROW 174 -#define TK_ASTERISK 175 -#define TK_SPAN 176 -#define TK_SPACE 177 -#define TK_ILLEGAL 178 +#define TK_GENERATED 95 +#define TK_ALWAYS 96 +#define TK_REINDEX 97 +#define TK_RENAME 98 +#define TK_CTIME_KW 99 +#define TK_ANY 100 +#define TK_BITAND 101 +#define TK_BITOR 102 +#define TK_LSHIFT 103 +#define TK_RSHIFT 104 +#define TK_PLUS 105 +#define TK_MINUS 106 +#define TK_STAR 107 +#define TK_SLASH 108 +#define TK_REM 109 +#define TK_CONCAT 110 +#define TK_COLLATE 111 +#define TK_BITNOT 112 +#define TK_ON 113 +#define TK_INDEXED 114 +#define TK_STRING 115 +#define TK_JOIN_KW 116 +#define TK_CONSTRAINT 117 +#define TK_DEFAULT 118 +#define TK_NULL 119 +#define TK_PRIMARY 120 +#define TK_UNIQUE 121 +#define TK_CHECK 122 +#define TK_REFERENCES 123 +#define TK_AUTOINCR 124 +#define TK_INSERT 125 +#define TK_DELETE 126 +#define TK_UPDATE 127 +#define TK_SET 128 +#define TK_DEFERRABLE 129 +#define TK_FOREIGN 130 +#define TK_DROP 131 +#define TK_UNION 132 +#define TK_ALL 133 +#define TK_EXCEPT 134 +#define TK_INTERSECT 135 +#define TK_SELECT 136 +#define TK_VALUES 137 +#define TK_DISTINCT 138 +#define TK_DOT 139 +#define TK_FROM 140 +#define TK_JOIN 141 +#define TK_USING 142 +#define TK_ORDER 143 +#define TK_GROUP 144 +#define TK_HAVING 145 +#define TK_LIMIT 146 +#define TK_WHERE 147 +#define TK_INTO 148 +#define TK_NOTHING 149 +#define TK_FLOAT 150 +#define TK_BLOB 151 +#define TK_INTEGER 152 +#define TK_VARIABLE 153 +#define TK_CASE 154 +#define TK_WHEN 155 +#define TK_THEN 156 +#define TK_ELSE 157 +#define TK_INDEX 158 +#define TK_ALTER 159 +#define TK_ADD 160 +#define TK_WINDOW 161 +#define TK_OVER 162 +#define TK_FILTER 163 +#define TK_COLUMN 164 +#define TK_AGG_FUNCTION 165 +#define TK_AGG_COLUMN 166 +#define TK_TRUEFALSE 167 +#define TK_ISNOT 168 +#define TK_FUNCTION 169 +#define TK_UMINUS 170 +#define TK_UPLUS 171 +#define TK_TRUTH 172 +#define TK_REGISTER 173 +#define TK_VECTOR 174 +#define TK_SELECT_COLUMN 175 +#define TK_IF_NULL_ROW 176 +#define TK_ASTERISK 177 +#define TK_SPAN 178 +#define TK_SPACE 179 +#define TK_ILLEGAL 180 /************** End of parse.h ***********************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ @@ -13877,7 +14240,7 @@ SQLITE_PRIVATE void sqlite3HashClear(Hash*); #endif /* -** The compile-time options SQLITE_MMAP_READWRITE and +** The compile-time options SQLITE_MMAP_READWRITE and ** SQLITE_ENABLE_BATCH_ATOMIC_WRITE are not compatible with one another. ** You must choose one or the other (or neither) but not both. */ @@ -14099,6 +14462,7 @@ typedef INT16_TYPE LogEst; ** compilers. */ #define LARGEST_INT64 (0xffffffff|(((i64)0x7fffffff)<<32)) +#define LARGEST_UINT64 (0xffffffff|(((u64)0xffffffff)<<32)) #define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64) /* @@ -14176,6 +14540,16 @@ typedef INT16_TYPE LogEst; #else # define SELECTTRACE_ENABLED 0 #endif +#if defined(SQLITE_ENABLE_SELECTTRACE) +# define SELECTTRACE_ENABLED 1 +# define SELECTTRACE(K,P,S,X) \ + if(sqlite3_unsupported_selecttrace&(K)) \ + sqlite3DebugPrintf("%u/%d/%p: ",(S)->selId,(P)->addrExplain,(S)),\ + sqlite3DebugPrintf X +#else +# define SELECTTRACE(K,P,S,X) +# define SELECTTRACE_ENABLED 0 +#endif /* ** An instance of the following structure is used to store the busy-handler @@ -14191,26 +14565,27 @@ struct BusyHandler { int (*xBusyHandler)(void *,int); /* The busy callback */ void *pBusyArg; /* First arg to busy callback */ int nBusy; /* Incremented with each busy call */ - u8 bExtraFileArg; /* Include sqlite3_file as callback arg */ }; /* -** Name of the master database table. The master database table -** is a special table that holds the names and attributes of all -** user tables and indices. +** Name of table that holds the database schema. */ -#define MASTER_NAME "sqlite_master" -#define TEMP_MASTER_NAME "sqlite_temp_master" +#define DFLT_SCHEMA_TABLE "sqlite_master" +#define DFLT_TEMP_SCHEMA_TABLE "sqlite_temp_master" +#define ALT_SCHEMA_TABLE "sqlite_schema" +#define ALT_TEMP_SCHEMA_TABLE "sqlite_temp_schema" + /* -** The root-page of the master database table. +** The root-page of the schema table. */ -#define MASTER_ROOT 1 +#define SCHEMA_ROOT 1 /* -** The name of the schema table. +** The name of the schema table. The name is different for TEMP. */ -#define SCHEMA_TABLE(x) ((!OMIT_TEMPDB)&&(x==1)?TEMP_MASTER_NAME:MASTER_NAME) +#define SCHEMA_TABLE(x) \ + ((!OMIT_TEMPDB)&&(x==1)?DFLT_TEMP_SCHEMA_TABLE:DFLT_SCHEMA_TABLE) /* ** A convenience macro that returns the number of elements in @@ -14231,7 +14606,7 @@ struct BusyHandler { ** pointer will work here as long as it is distinct from SQLITE_STATIC ** and SQLITE_TRANSIENT. */ -#define SQLITE_DYNAMIC ((sqlite3_destructor_type)sqlite3MallocSize) +#define SQLITE_DYNAMIC ((sqlite3_destructor_type)sqlite3OomFault) /* ** When SQLITE_OMIT_WSD is defined, it means that the target platform does @@ -14354,6 +14729,7 @@ typedef struct With With; ** A bit in a Bitmask */ #define MASKBIT(n) (((Bitmask)1)<<(n)) +#define MASKBIT64(n) (((u64)1)<<(n)) #define MASKBIT32(n) (((unsigned int)1)<<(n)) #define ALLBITS ((Bitmask)-1) @@ -14370,6 +14746,253 @@ typedef int VList; ** "BusyHandler" typedefs. vdbe.h also requires a few of the opaque ** pointer types (i.e. FuncDef) defined above. */ +/************** Include pager.h in the middle of sqliteInt.h *****************/ +/************** Begin file pager.h *******************************************/ +/* +** 2001 September 15 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +************************************************************************* +** This header file defines the interface that the sqlite page cache +** subsystem. The page cache subsystem reads and writes a file a page +** at a time and provides a journal for rollback. +*/ + +#ifndef SQLITE_PAGER_H +#define SQLITE_PAGER_H + +/* +** Default maximum size for persistent journal files. A negative +** value means no limit. This value may be overridden using the +** sqlite3PagerJournalSizeLimit() API. See also "PRAGMA journal_size_limit". +*/ +#ifndef SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT + #define SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT -1 +#endif + +/* +** The type used to represent a page number. The first page in a file +** is called page 1. 0 is used to represent "not a page". +*/ +typedef u32 Pgno; + +/* +** Each open file is managed by a separate instance of the "Pager" structure. +*/ +typedef struct Pager Pager; + +/* +** Handle type for pages. +*/ +typedef struct PgHdr DbPage; + +/* +** Page number PAGER_MJ_PGNO is never used in an SQLite database (it is +** reserved for working around a windows/posix incompatibility). It is +** used in the journal to signify that the remainder of the journal file +** is devoted to storing a super-journal name - there are no more pages to +** roll back. See comments for function writeSuperJournal() in pager.c +** for details. +*/ +#define PAGER_MJ_PGNO(x) ((Pgno)((PENDING_BYTE/((x)->pageSize))+1)) + +/* +** Allowed values for the flags parameter to sqlite3PagerOpen(). +** +** NOTE: These values must match the corresponding BTREE_ values in btree.h. +*/ +#define PAGER_OMIT_JOURNAL 0x0001 /* Do not use a rollback journal */ +#define PAGER_MEMORY 0x0002 /* In-memory database */ + +/* +** Valid values for the second argument to sqlite3PagerLockingMode(). +*/ +#define PAGER_LOCKINGMODE_QUERY -1 +#define PAGER_LOCKINGMODE_NORMAL 0 +#define PAGER_LOCKINGMODE_EXCLUSIVE 1 + +/* +** Numeric constants that encode the journalmode. +** +** The numeric values encoded here (other than PAGER_JOURNALMODE_QUERY) +** are exposed in the API via the "PRAGMA journal_mode" command and +** therefore cannot be changed without a compatibility break. +*/ +#define PAGER_JOURNALMODE_QUERY (-1) /* Query the value of journalmode */ +#define PAGER_JOURNALMODE_DELETE 0 /* Commit by deleting journal file */ +#define PAGER_JOURNALMODE_PERSIST 1 /* Commit by zeroing journal header */ +#define PAGER_JOURNALMODE_OFF 2 /* Journal omitted. */ +#define PAGER_JOURNALMODE_TRUNCATE 3 /* Commit by truncating journal */ +#define PAGER_JOURNALMODE_MEMORY 4 /* In-memory journal file */ +#define PAGER_JOURNALMODE_WAL 5 /* Use write-ahead logging */ + +/* +** Flags that make up the mask passed to sqlite3PagerGet(). +*/ +#define PAGER_GET_NOCONTENT 0x01 /* Do not load data from disk */ +#define PAGER_GET_READONLY 0x02 /* Read-only page is acceptable */ + +/* +** Flags for sqlite3PagerSetFlags() +** +** Value constraints (enforced via assert()): +** PAGER_FULLFSYNC == SQLITE_FullFSync +** PAGER_CKPT_FULLFSYNC == SQLITE_CkptFullFSync +** PAGER_CACHE_SPILL == SQLITE_CacheSpill +*/ +#define PAGER_SYNCHRONOUS_OFF 0x01 /* PRAGMA synchronous=OFF */ +#define PAGER_SYNCHRONOUS_NORMAL 0x02 /* PRAGMA synchronous=NORMAL */ +#define PAGER_SYNCHRONOUS_FULL 0x03 /* PRAGMA synchronous=FULL */ +#define PAGER_SYNCHRONOUS_EXTRA 0x04 /* PRAGMA synchronous=EXTRA */ +#define PAGER_SYNCHRONOUS_MASK 0x07 /* Mask for four values above */ +#define PAGER_FULLFSYNC 0x08 /* PRAGMA fullfsync=ON */ +#define PAGER_CKPT_FULLFSYNC 0x10 /* PRAGMA checkpoint_fullfsync=ON */ +#define PAGER_CACHESPILL 0x20 /* PRAGMA cache_spill=ON */ +#define PAGER_FLAGS_MASK 0x38 /* All above except SYNCHRONOUS */ + +/* +** The remainder of this file contains the declarations of the functions +** that make up the Pager sub-system API. See source code comments for +** a detailed description of each routine. +*/ + +/* Open and close a Pager connection. */ +SQLITE_PRIVATE int sqlite3PagerOpen( + sqlite3_vfs*, + Pager **ppPager, + const char*, + int, + int, + int, + void(*)(DbPage*) +); +SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager, sqlite3*); +SQLITE_PRIVATE int sqlite3PagerReadFileheader(Pager*, int, unsigned char*); + +/* Functions used to configure a Pager object. */ +SQLITE_PRIVATE void sqlite3PagerSetBusyHandler(Pager*, int(*)(void *), void *); +SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager*, u32*, int); +SQLITE_PRIVATE Pgno sqlite3PagerMaxPageCount(Pager*, Pgno); +SQLITE_PRIVATE void sqlite3PagerSetCachesize(Pager*, int); +SQLITE_PRIVATE int sqlite3PagerSetSpillsize(Pager*, int); +SQLITE_PRIVATE void sqlite3PagerSetMmapLimit(Pager *, sqlite3_int64); +SQLITE_PRIVATE void sqlite3PagerShrink(Pager*); +SQLITE_PRIVATE void sqlite3PagerSetFlags(Pager*,unsigned); +SQLITE_PRIVATE int sqlite3PagerLockingMode(Pager *, int); +SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *, int); +SQLITE_PRIVATE int sqlite3PagerGetJournalMode(Pager*); +SQLITE_PRIVATE int sqlite3PagerOkToChangeJournalMode(Pager*); +SQLITE_PRIVATE i64 sqlite3PagerJournalSizeLimit(Pager *, i64); +SQLITE_PRIVATE sqlite3_backup **sqlite3PagerBackupPtr(Pager*); +SQLITE_PRIVATE int sqlite3PagerFlush(Pager*); + +/* Functions used to obtain and release page references. */ +SQLITE_PRIVATE int sqlite3PagerGet(Pager *pPager, Pgno pgno, DbPage **ppPage, int clrFlag); +SQLITE_PRIVATE DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno); +SQLITE_PRIVATE void sqlite3PagerRef(DbPage*); +SQLITE_PRIVATE void sqlite3PagerUnref(DbPage*); +SQLITE_PRIVATE void sqlite3PagerUnrefNotNull(DbPage*); +SQLITE_PRIVATE void sqlite3PagerUnrefPageOne(DbPage*); + +/* Operations on page references. */ +SQLITE_PRIVATE int sqlite3PagerWrite(DbPage*); +SQLITE_PRIVATE void sqlite3PagerDontWrite(DbPage*); +SQLITE_PRIVATE int sqlite3PagerMovepage(Pager*,DbPage*,Pgno,int); +SQLITE_PRIVATE int sqlite3PagerPageRefcount(DbPage*); +SQLITE_PRIVATE void *sqlite3PagerGetData(DbPage *); +SQLITE_PRIVATE void *sqlite3PagerGetExtra(DbPage *); + +/* Functions used to manage pager transactions and savepoints. */ +SQLITE_PRIVATE void sqlite3PagerPagecount(Pager*, int*); +SQLITE_PRIVATE int sqlite3PagerBegin(Pager*, int exFlag, int); +SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne(Pager*,const char *zSuper, int); +SQLITE_PRIVATE int sqlite3PagerExclusiveLock(Pager*); +SQLITE_PRIVATE int sqlite3PagerSync(Pager *pPager, const char *zSuper); +SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager*); +SQLITE_PRIVATE int sqlite3PagerRollback(Pager*); +SQLITE_PRIVATE int sqlite3PagerOpenSavepoint(Pager *pPager, int n); +SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint); +SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager); + +#ifndef SQLITE_OMIT_WAL +SQLITE_PRIVATE int sqlite3PagerCheckpoint(Pager *pPager, sqlite3*, int, int*, int*); +SQLITE_PRIVATE int sqlite3PagerWalSupported(Pager *pPager); +SQLITE_PRIVATE int sqlite3PagerWalCallback(Pager *pPager); +SQLITE_PRIVATE int sqlite3PagerOpenWal(Pager *pPager, int *pisOpen); +SQLITE_PRIVATE int sqlite3PagerCloseWal(Pager *pPager, sqlite3*); +# ifdef SQLITE_ENABLE_SNAPSHOT +SQLITE_PRIVATE int sqlite3PagerSnapshotGet(Pager*, sqlite3_snapshot **ppSnapshot); +SQLITE_PRIVATE int sqlite3PagerSnapshotOpen(Pager*, sqlite3_snapshot *pSnapshot); +SQLITE_PRIVATE int sqlite3PagerSnapshotRecover(Pager *pPager); +SQLITE_PRIVATE int sqlite3PagerSnapshotCheck(Pager *pPager, sqlite3_snapshot *pSnapshot); +SQLITE_PRIVATE void sqlite3PagerSnapshotUnlock(Pager *pPager); +# endif +#endif + +#if !defined(SQLITE_OMIT_WAL) && defined(SQLITE_ENABLE_SETLK_TIMEOUT) +SQLITE_PRIVATE int sqlite3PagerWalWriteLock(Pager*, int); +SQLITE_PRIVATE void sqlite3PagerWalDb(Pager*, sqlite3*); +#else +# define sqlite3PagerWalWriteLock(y,z) SQLITE_OK +# define sqlite3PagerWalDb(x,y) +#endif + +#ifdef SQLITE_DIRECT_OVERFLOW_READ +SQLITE_PRIVATE int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno); +#endif + +#ifdef SQLITE_ENABLE_ZIPVFS +SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager); +#endif + +/* Functions used to query pager state and configuration. */ +SQLITE_PRIVATE u8 sqlite3PagerIsreadonly(Pager*); +SQLITE_PRIVATE u32 sqlite3PagerDataVersion(Pager*); +#ifdef SQLITE_DEBUG +SQLITE_PRIVATE int sqlite3PagerRefcount(Pager*); +#endif +SQLITE_PRIVATE int sqlite3PagerMemUsed(Pager*); +SQLITE_PRIVATE const char *sqlite3PagerFilename(const Pager*, int); +SQLITE_PRIVATE sqlite3_vfs *sqlite3PagerVfs(Pager*); +SQLITE_PRIVATE sqlite3_file *sqlite3PagerFile(Pager*); +SQLITE_PRIVATE sqlite3_file *sqlite3PagerJrnlFile(Pager*); +SQLITE_PRIVATE const char *sqlite3PagerJournalname(Pager*); +SQLITE_PRIVATE void *sqlite3PagerTempSpace(Pager*); +SQLITE_PRIVATE int sqlite3PagerIsMemdb(Pager*); +SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *, int, int, int *); +SQLITE_PRIVATE void sqlite3PagerClearCache(Pager*); +SQLITE_PRIVATE int sqlite3SectorSize(sqlite3_file *); + +/* Functions used to truncate the database file. */ +SQLITE_PRIVATE void sqlite3PagerTruncateImage(Pager*,Pgno); + +SQLITE_PRIVATE void sqlite3PagerRekey(DbPage*, Pgno, u16); + +/* Functions to support testing and debugging. */ +#if !defined(NDEBUG) || defined(SQLITE_TEST) +SQLITE_PRIVATE Pgno sqlite3PagerPagenumber(DbPage*); +SQLITE_PRIVATE int sqlite3PagerIswriteable(DbPage*); +#endif +#ifdef SQLITE_TEST +SQLITE_PRIVATE int *sqlite3PagerStats(Pager*); +SQLITE_PRIVATE void sqlite3PagerRefdump(Pager*); + void disable_simulated_io_errors(void); + void enable_simulated_io_errors(void); +#else +# define disable_simulated_io_errors() +# define enable_simulated_io_errors() +#endif + +#endif /* SQLITE_PAGER_H */ + +/************** End of pager.h ***********************************************/ +/************** Continuing where we left off in sqliteInt.h ******************/ /************** Include btree.h in the middle of sqliteInt.h *****************/ /************** Begin file btree.h *******************************************/ /* @@ -14445,20 +15068,20 @@ SQLITE_PRIVATE int sqlite3BtreeSetMmapLimit(Btree*,sqlite3_int64); SQLITE_PRIVATE int sqlite3BtreeSetPagerFlags(Btree*,unsigned); SQLITE_PRIVATE int sqlite3BtreeSetPageSize(Btree *p, int nPagesize, int nReserve, int eFix); SQLITE_PRIVATE int sqlite3BtreeGetPageSize(Btree*); -SQLITE_PRIVATE int sqlite3BtreeMaxPageCount(Btree*,int); -SQLITE_PRIVATE u32 sqlite3BtreeLastPage(Btree*); +SQLITE_PRIVATE Pgno sqlite3BtreeMaxPageCount(Btree*,Pgno); +SQLITE_PRIVATE Pgno sqlite3BtreeLastPage(Btree*); SQLITE_PRIVATE int sqlite3BtreeSecureDelete(Btree*,int); -SQLITE_PRIVATE int sqlite3BtreeGetOptimalReserve(Btree*); +SQLITE_PRIVATE int sqlite3BtreeGetRequestedReserve(Btree*); SQLITE_PRIVATE int sqlite3BtreeGetReserveNoMutex(Btree *p); SQLITE_PRIVATE int sqlite3BtreeSetAutoVacuum(Btree *, int); SQLITE_PRIVATE int sqlite3BtreeGetAutoVacuum(Btree *); SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree*,int,int*); -SQLITE_PRIVATE int sqlite3BtreeCommitPhaseOne(Btree*, const char *zMaster); +SQLITE_PRIVATE int sqlite3BtreeCommitPhaseOne(Btree*, const char*); SQLITE_PRIVATE int sqlite3BtreeCommitPhaseTwo(Btree*, int); SQLITE_PRIVATE int sqlite3BtreeCommit(Btree*); SQLITE_PRIVATE int sqlite3BtreeRollback(Btree*,int,int); SQLITE_PRIVATE int sqlite3BtreeBeginStmt(Btree*,int); -SQLITE_PRIVATE int sqlite3BtreeCreateTable(Btree*, int*, int flags); +SQLITE_PRIVATE int sqlite3BtreeCreateTable(Btree*, Pgno*, int flags); SQLITE_PRIVATE int sqlite3BtreeIsInTrans(Btree*); SQLITE_PRIVATE int sqlite3BtreeIsInReadTrans(Btree*); SQLITE_PRIVATE int sqlite3BtreeIsInBackup(Btree*); @@ -14500,7 +15123,7 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p); /* ** The second parameter to sqlite3BtreeGetMeta or sqlite3BtreeUpdateMeta -** should be one of the following values. The integer values are assigned +** should be one of the following values. The integer values are assigned ** to constants so that the offset of the corresponding field in an ** SQLite database header may be found using the following formula: ** @@ -14571,7 +15194,7 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p); #define BTREE_BULKLOAD 0x00000001 /* Used to full index in sorted order */ #define BTREE_SEEK_EQ 0x00000002 /* EQ seeks only - no range seeks */ -/* +/* ** Flags passed as the third argument to sqlite3BtreeCursor(). ** ** For read-only cursors the wrFlag argument is always zero. For read-write @@ -14599,7 +15222,7 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p); SQLITE_PRIVATE int sqlite3BtreeCursor( Btree*, /* BTree containing table to open */ - int iTable, /* Index of root page */ + Pgno iTable, /* Index of root page */ int wrFlag, /* 1 for writing. 0 for read-only */ struct KeyInfo*, /* First argument to compare function */ BtCursor *pCursor /* Space to write cursor structure */ @@ -14639,7 +15262,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor*, u8 flags); ** The nMem field might be zero, indicating that no decomposition is available. ** ** Table btrees (used for rowid tables) contain an integer rowid used as -** the key and passed in the nKey field. The pKey field is zero. +** the key and passed in the nKey field. The pKey field is zero. ** pData,nData hold the content of the new entry. nZero extra zero bytes ** are appended to the end of the content when constructing the entry. ** The aMem,nMem fields are uninitialized for table btrees. @@ -14658,7 +15281,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor*, u8 flags); ** ** This object is used to pass information into sqlite3BtreeInsert(). The ** same information used to be passed as five separate parameters. But placing -** the information into this object helps to keep the interface more +** the information into this object helps to keep the interface more ** organized and understandable, and it also helps the resulting code to ** run a little faster by using fewer registers for parameter passing. */ @@ -14680,6 +15303,8 @@ SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int flags); SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); +SQLITE_PRIVATE void sqlite3BtreeCursorPin(BtCursor*); +SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor*); #ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC SQLITE_PRIVATE i64 sqlite3BtreeOffset(BtCursor*); #endif @@ -14688,7 +15313,7 @@ SQLITE_PRIVATE const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt); SQLITE_PRIVATE u32 sqlite3BtreePayloadSize(BtCursor*); SQLITE_PRIVATE sqlite3_int64 sqlite3BtreeMaxRecordSize(BtCursor*); -SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot, int, int*); +SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck(sqlite3*,Btree*,Pgno*aRoot,int nRoot,int,int*); SQLITE_PRIVATE struct Pager *sqlite3BtreePager(Btree*); SQLITE_PRIVATE i64 sqlite3BtreeRowCountEst(BtCursor*); @@ -14708,9 +15333,7 @@ SQLITE_PRIVATE int sqlite3BtreeCursorIsValid(BtCursor*); #endif SQLITE_PRIVATE int sqlite3BtreeCursorIsValidNN(BtCursor*); -#ifndef SQLITE_OMIT_BTREECOUNT -SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *, i64 *); -#endif +SQLITE_PRIVATE int sqlite3BtreeCount(sqlite3*, BtCursor*, i64*); #ifdef SQLITE_TEST SQLITE_PRIVATE int sqlite3BtreeCursorInfo(BtCursor*, int*, int); @@ -14733,7 +15356,7 @@ SQLITE_PRIVATE int sqlite3BtreeSharable(Btree*); SQLITE_PRIVATE void sqlite3BtreeEnterCursor(BtCursor*); SQLITE_PRIVATE int sqlite3BtreeConnectionCount(Btree*); #else -# define sqlite3BtreeEnter(X) +# define sqlite3BtreeEnter(X) # define sqlite3BtreeEnterAll(X) # define sqlite3BtreeSharable(X) 0 # define sqlite3BtreeEnterCursor(X) @@ -14827,7 +15450,7 @@ struct VdbeOp { Mem *pMem; /* Used when p4type is P4_MEM */ VTable *pVtab; /* Used when p4type is P4_VTAB */ KeyInfo *pKeyInfo; /* Used when p4type is P4_KEYINFO */ - int *ai; /* Used when p4type is P4_INTARRAY */ + u32 *ai; /* Used when p4type is P4_INTARRAY */ SubProgram *pProgram; /* Used when p4type is P4_SUBPROGRAM */ Table *pTab; /* Used when p4type is P4_TABLE */ #ifdef SQLITE_ENABLE_CURSOR_HINTS @@ -14907,7 +15530,7 @@ typedef struct VdbeOpList VdbeOpList; #define P5_ConstraintFK 4 /* -** The Vdbe.aColName array contains 5n Mem structures, where n is the +** The Vdbe.aColName array contains 5n Mem structures, where n is the ** number of columns of data returned by the statement. */ #define COLNAME_NAME 0 @@ -14966,30 +15589,30 @@ typedef struct VdbeOpList VdbeOpList; #define OP_SeekLE 23 /* jump, synopsis: key=r[P3@P4] */ #define OP_SeekGE 24 /* jump, synopsis: key=r[P3@P4] */ #define OP_SeekGT 25 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IfNoHope 26 /* jump, synopsis: key=r[P3@P4] */ -#define OP_NoConflict 27 /* jump, synopsis: key=r[P3@P4] */ -#define OP_NotFound 28 /* jump, synopsis: key=r[P3@P4] */ -#define OP_Found 29 /* jump, synopsis: key=r[P3@P4] */ -#define OP_SeekRowid 30 /* jump, synopsis: intkey=r[P3] */ -#define OP_NotExists 31 /* jump, synopsis: intkey=r[P3] */ -#define OP_Last 32 /* jump */ -#define OP_IfSmaller 33 /* jump */ -#define OP_SorterSort 34 /* jump */ -#define OP_Sort 35 /* jump */ -#define OP_Rewind 36 /* jump */ -#define OP_IdxLE 37 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxGT 38 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxLT 39 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxGE 40 /* jump, synopsis: key=r[P3@P4] */ -#define OP_RowSetRead 41 /* jump, synopsis: r[P3]=rowset(P1) */ -#define OP_RowSetTest 42 /* jump, synopsis: if r[P3] in rowset(P1) goto P2 */ +#define OP_IfNotOpen 26 /* jump, synopsis: if( !csr[P1] ) goto P2 */ +#define OP_IfNoHope 27 /* jump, synopsis: key=r[P3@P4] */ +#define OP_NoConflict 28 /* jump, synopsis: key=r[P3@P4] */ +#define OP_NotFound 29 /* jump, synopsis: key=r[P3@P4] */ +#define OP_Found 30 /* jump, synopsis: key=r[P3@P4] */ +#define OP_SeekRowid 31 /* jump, synopsis: intkey=r[P3] */ +#define OP_NotExists 32 /* jump, synopsis: intkey=r[P3] */ +#define OP_Last 33 /* jump */ +#define OP_IfSmaller 34 /* jump */ +#define OP_SorterSort 35 /* jump */ +#define OP_Sort 36 /* jump */ +#define OP_Rewind 37 /* jump */ +#define OP_IdxLE 38 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IdxGT 39 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IdxLT 40 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IdxGE 41 /* jump, synopsis: key=r[P3@P4] */ +#define OP_RowSetRead 42 /* jump, synopsis: r[P3]=rowset(P1) */ #define OP_Or 43 /* same as TK_OR, synopsis: r[P3]=(r[P1] || r[P2]) */ #define OP_And 44 /* same as TK_AND, synopsis: r[P3]=(r[P1] && r[P2]) */ -#define OP_Program 45 /* jump */ -#define OP_FkIfZero 46 /* jump, synopsis: if fkctr[P1]==0 goto P2 */ -#define OP_IfPos 47 /* jump, synopsis: if r[P1]>0 then r[P1]-=P3, goto P2 */ -#define OP_IfNotZero 48 /* jump, synopsis: if r[P1]!=0 then r[P1]--, goto P2 */ -#define OP_DecrJumpZero 49 /* jump, synopsis: if (--r[P1])==0 goto P2 */ +#define OP_RowSetTest 45 /* jump, synopsis: if r[P3] in rowset(P1) goto P2 */ +#define OP_Program 46 /* jump */ +#define OP_FkIfZero 47 /* jump, synopsis: if fkctr[P1]==0 goto P2 */ +#define OP_IfPos 48 /* jump, synopsis: if r[P1]>0 then r[P1]-=P3, goto P2 */ +#define OP_IfNotZero 49 /* jump, synopsis: if r[P1]!=0 then r[P1]--, goto P2 */ #define OP_IsNull 50 /* jump, same as TK_ISNULL, synopsis: if r[P1]==NULL goto P2 */ #define OP_NotNull 51 /* jump, same as TK_NOTNULL, synopsis: if r[P1]!=NULL goto P2 */ #define OP_Ne 52 /* jump, same as TK_NE, synopsis: IF r[P3]!=r[P1] */ @@ -14999,83 +15622,83 @@ typedef struct VdbeOpList VdbeOpList; #define OP_Lt 56 /* jump, same as TK_LT, synopsis: IF r[P3]<r[P1] */ #define OP_Ge 57 /* jump, same as TK_GE, synopsis: IF r[P3]>=r[P1] */ #define OP_ElseNotEq 58 /* jump, same as TK_ESCAPE */ -#define OP_IncrVacuum 59 /* jump */ -#define OP_VNext 60 /* jump */ -#define OP_Init 61 /* jump, synopsis: Start at P2 */ -#define OP_PureFunc0 62 -#define OP_Function0 63 /* synopsis: r[P3]=func(r[P2@P5]) */ -#define OP_PureFunc 64 -#define OP_Function 65 /* synopsis: r[P3]=func(r[P2@P5]) */ -#define OP_Return 66 -#define OP_EndCoroutine 67 -#define OP_HaltIfNull 68 /* synopsis: if r[P3]=null halt */ -#define OP_Halt 69 -#define OP_Integer 70 /* synopsis: r[P2]=P1 */ -#define OP_Int64 71 /* synopsis: r[P2]=P4 */ -#define OP_String 72 /* synopsis: r[P2]='P4' (len=P1) */ -#define OP_Null 73 /* synopsis: r[P2..P3]=NULL */ -#define OP_SoftNull 74 /* synopsis: r[P1]=NULL */ -#define OP_Blob 75 /* synopsis: r[P2]=P4 (len=P1) */ -#define OP_Variable 76 /* synopsis: r[P2]=parameter(P1,P4) */ -#define OP_Move 77 /* synopsis: r[P2@P3]=r[P1@P3] */ -#define OP_Copy 78 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ -#define OP_SCopy 79 /* synopsis: r[P2]=r[P1] */ -#define OP_IntCopy 80 /* synopsis: r[P2]=r[P1] */ -#define OP_ResultRow 81 /* synopsis: output=r[P1@P2] */ -#define OP_CollSeq 82 -#define OP_AddImm 83 /* synopsis: r[P1]=r[P1]+P2 */ -#define OP_RealAffinity 84 -#define OP_Cast 85 /* synopsis: affinity(r[P1]) */ -#define OP_Permutation 86 -#define OP_Compare 87 /* synopsis: r[P1@P3] <-> r[P2@P3] */ -#define OP_IsTrue 88 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */ -#define OP_Offset 89 /* synopsis: r[P3] = sqlite_offset(P1) */ -#define OP_Column 90 /* synopsis: r[P3]=PX */ -#define OP_Affinity 91 /* synopsis: affinity(r[P1@P2]) */ -#define OP_MakeRecord 92 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ -#define OP_Count 93 /* synopsis: r[P2]=count() */ -#define OP_ReadCookie 94 -#define OP_SetCookie 95 -#define OP_ReopenIdx 96 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenRead 97 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenWrite 98 /* synopsis: root=P2 iDb=P3 */ -#define OP_BitAnd 99 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */ -#define OP_BitOr 100 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */ -#define OP_ShiftLeft 101 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<<r[P1] */ -#define OP_ShiftRight 102 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */ -#define OP_Add 103 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ -#define OP_Subtract 104 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ -#define OP_Multiply 105 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ -#define OP_Divide 106 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ -#define OP_Remainder 107 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ -#define OP_Concat 108 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ -#define OP_OpenDup 109 -#define OP_BitNot 110 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */ -#define OP_OpenAutoindex 111 /* synopsis: nColumn=P2 */ -#define OP_OpenEphemeral 112 /* synopsis: nColumn=P2 */ -#define OP_String8 113 /* same as TK_STRING, synopsis: r[P2]='P4' */ -#define OP_SorterOpen 114 -#define OP_SequenceTest 115 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ -#define OP_OpenPseudo 116 /* synopsis: P3 columns in r[P2] */ -#define OP_Close 117 -#define OP_ColumnsUsed 118 -#define OP_SeekHit 119 /* synopsis: seekHit=P2 */ -#define OP_Sequence 120 /* synopsis: r[P2]=cursor[P1].ctr++ */ -#define OP_NewRowid 121 /* synopsis: r[P2]=rowid */ -#define OP_Insert 122 /* synopsis: intkey=r[P3] data=r[P2] */ -#define OP_Delete 123 -#define OP_ResetCount 124 -#define OP_SorterCompare 125 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ -#define OP_SorterData 126 /* synopsis: r[P2]=data */ -#define OP_RowData 127 /* synopsis: r[P2]=data */ -#define OP_Rowid 128 /* synopsis: r[P2]=rowid */ -#define OP_NullRow 129 -#define OP_SeekEnd 130 +#define OP_DecrJumpZero 59 /* jump, synopsis: if (--r[P1])==0 goto P2 */ +#define OP_IncrVacuum 60 /* jump */ +#define OP_VNext 61 /* jump */ +#define OP_Init 62 /* jump, synopsis: Start at P2 */ +#define OP_PureFunc 63 /* synopsis: r[P3]=func(r[P2@NP]) */ +#define OP_Function 64 /* synopsis: r[P3]=func(r[P2@NP]) */ +#define OP_Return 65 +#define OP_EndCoroutine 66 +#define OP_HaltIfNull 67 /* synopsis: if r[P3]=null halt */ +#define OP_Halt 68 +#define OP_Integer 69 /* synopsis: r[P2]=P1 */ +#define OP_Int64 70 /* synopsis: r[P2]=P4 */ +#define OP_String 71 /* synopsis: r[P2]='P4' (len=P1) */ +#define OP_Null 72 /* synopsis: r[P2..P3]=NULL */ +#define OP_SoftNull 73 /* synopsis: r[P1]=NULL */ +#define OP_Blob 74 /* synopsis: r[P2]=P4 (len=P1) */ +#define OP_Variable 75 /* synopsis: r[P2]=parameter(P1,P4) */ +#define OP_Move 76 /* synopsis: r[P2@P3]=r[P1@P3] */ +#define OP_Copy 77 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ +#define OP_SCopy 78 /* synopsis: r[P2]=r[P1] */ +#define OP_IntCopy 79 /* synopsis: r[P2]=r[P1] */ +#define OP_ResultRow 80 /* synopsis: output=r[P1@P2] */ +#define OP_CollSeq 81 +#define OP_AddImm 82 /* synopsis: r[P1]=r[P1]+P2 */ +#define OP_RealAffinity 83 +#define OP_Cast 84 /* synopsis: affinity(r[P1]) */ +#define OP_Permutation 85 +#define OP_Compare 86 /* synopsis: r[P1@P3] <-> r[P2@P3] */ +#define OP_IsTrue 87 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */ +#define OP_Offset 88 /* synopsis: r[P3] = sqlite_offset(P1) */ +#define OP_Column 89 /* synopsis: r[P3]=PX */ +#define OP_Affinity 90 /* synopsis: affinity(r[P1@P2]) */ +#define OP_MakeRecord 91 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ +#define OP_Count 92 /* synopsis: r[P2]=count() */ +#define OP_ReadCookie 93 +#define OP_SetCookie 94 +#define OP_ReopenIdx 95 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenRead 96 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenWrite 97 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenDup 98 +#define OP_OpenAutoindex 99 /* synopsis: nColumn=P2 */ +#define OP_OpenEphemeral 100 /* synopsis: nColumn=P2 */ +#define OP_BitAnd 101 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */ +#define OP_BitOr 102 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */ +#define OP_ShiftLeft 103 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<<r[P1] */ +#define OP_ShiftRight 104 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */ +#define OP_Add 105 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ +#define OP_Subtract 106 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ +#define OP_Multiply 107 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ +#define OP_Divide 108 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ +#define OP_Remainder 109 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ +#define OP_Concat 110 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ +#define OP_SorterOpen 111 +#define OP_BitNot 112 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */ +#define OP_SequenceTest 113 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ +#define OP_OpenPseudo 114 /* synopsis: P3 columns in r[P2] */ +#define OP_String8 115 /* same as TK_STRING, synopsis: r[P2]='P4' */ +#define OP_Close 116 +#define OP_ColumnsUsed 117 +#define OP_SeekHit 118 /* synopsis: seekHit=P2 */ +#define OP_Sequence 119 /* synopsis: r[P2]=cursor[P1].ctr++ */ +#define OP_NewRowid 120 /* synopsis: r[P2]=rowid */ +#define OP_Insert 121 /* synopsis: intkey=r[P3] data=r[P2] */ +#define OP_Delete 122 +#define OP_ResetCount 123 +#define OP_SorterCompare 124 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ +#define OP_SorterData 125 /* synopsis: r[P2]=data */ +#define OP_RowData 126 /* synopsis: r[P2]=data */ +#define OP_Rowid 127 /* synopsis: r[P2]=rowid */ +#define OP_NullRow 128 +#define OP_SeekEnd 129 +#define OP_IdxInsert 130 /* synopsis: key=r[P2] */ #define OP_SorterInsert 131 /* synopsis: key=r[P2] */ -#define OP_IdxInsert 132 /* synopsis: key=r[P2] */ -#define OP_IdxDelete 133 /* synopsis: key=r[P2@P3] */ -#define OP_DeferredSeek 134 /* synopsis: Move P3 to P1.rowid if needed */ -#define OP_IdxRowid 135 /* synopsis: r[P2]=rowid */ +#define OP_IdxDelete 132 /* synopsis: key=r[P2@P3] */ +#define OP_DeferredSeek 133 /* synopsis: Move P3 to P1.rowid if needed */ +#define OP_IdxRowid 134 /* synopsis: r[P2]=rowid */ +#define OP_FinishSeek 135 #define OP_Destroy 136 #define OP_Clear 137 #define OP_ResetSorter 138 @@ -15088,9 +15711,9 @@ typedef struct VdbeOpList VdbeOpList; #define OP_DropTrigger 145 #define OP_IntegrityCk 146 #define OP_RowSetAdd 147 /* synopsis: rowset(P1)=r[P2] */ -#define OP_Real 148 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ -#define OP_Param 149 -#define OP_FkCounter 150 /* synopsis: fkctr[P1]+=P2 */ +#define OP_Param 148 +#define OP_FkCounter 149 /* synopsis: fkctr[P1]+=P2 */ +#define OP_Real 150 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ #define OP_MemMax 151 /* synopsis: r[P1]=max(r[P1],r[P2]) */ #define OP_OffsetLimit 152 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ #define OP_AggInverse 153 /* synopsis: accum=r[P3] inverse(r[P2@P5]) */ @@ -15099,20 +15722,23 @@ typedef struct VdbeOpList VdbeOpList; #define OP_AggValue 156 /* synopsis: r[P3]=value N=P2 */ #define OP_AggFinal 157 /* synopsis: accum=r[P1] N=P2 */ #define OP_Expire 158 -#define OP_TableLock 159 /* synopsis: iDb=P1 root=P2 write=P3 */ -#define OP_VBegin 160 -#define OP_VCreate 161 -#define OP_VDestroy 162 -#define OP_VOpen 163 -#define OP_VColumn 164 /* synopsis: r[P3]=vcolumn(P2) */ -#define OP_VRename 165 -#define OP_Pagecount 166 -#define OP_MaxPgcnt 167 -#define OP_Trace 168 -#define OP_CursorHint 169 -#define OP_Noop 170 -#define OP_Explain 171 -#define OP_Abortable 172 +#define OP_CursorLock 159 +#define OP_CursorUnlock 160 +#define OP_TableLock 161 /* synopsis: iDb=P1 root=P2 write=P3 */ +#define OP_VBegin 162 +#define OP_VCreate 163 +#define OP_VDestroy 164 +#define OP_VOpen 165 +#define OP_VColumn 166 /* synopsis: r[P3]=vcolumn(P2) */ +#define OP_VRename 167 +#define OP_Pagecount 168 +#define OP_MaxPgcnt 169 +#define OP_Trace 170 +#define OP_CursorHint 171 +#define OP_ReleaseReg 172 /* synopsis: release r[P1@P2] mask P3 */ +#define OP_Noop 173 +#define OP_Explain 174 +#define OP_Abortable 175 /* Properties such as "out2" or "jump" that are specified in ** comments following the "case" for each opcode in the vdbe.c @@ -15128,25 +15754,26 @@ typedef struct VdbeOpList VdbeOpList; /* 0 */ 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x10,\ /* 8 */ 0x00, 0x01, 0x00, 0x01, 0x01, 0x01, 0x03, 0x03,\ /* 16 */ 0x01, 0x01, 0x03, 0x12, 0x03, 0x01, 0x09, 0x09,\ -/* 24 */ 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09, 0x09,\ -/* 32 */ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\ -/* 40 */ 0x01, 0x23, 0x0b, 0x26, 0x26, 0x01, 0x01, 0x03,\ +/* 24 */ 0x09, 0x09, 0x01, 0x09, 0x09, 0x09, 0x09, 0x09,\ +/* 32 */ 0x09, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,\ +/* 40 */ 0x01, 0x01, 0x23, 0x26, 0x26, 0x0b, 0x01, 0x01,\ /* 48 */ 0x03, 0x03, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\ -/* 56 */ 0x0b, 0x0b, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,\ -/* 64 */ 0x00, 0x00, 0x02, 0x02, 0x08, 0x00, 0x10, 0x10,\ -/* 72 */ 0x10, 0x10, 0x00, 0x10, 0x10, 0x00, 0x00, 0x10,\ -/* 80 */ 0x10, 0x00, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00,\ -/* 88 */ 0x12, 0x20, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00,\ -/* 96 */ 0x00, 0x00, 0x00, 0x26, 0x26, 0x26, 0x26, 0x26,\ -/* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x00, 0x12, 0x00,\ -/* 112 */ 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 120 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 128 */ 0x10, 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x10,\ +/* 56 */ 0x0b, 0x0b, 0x01, 0x03, 0x01, 0x01, 0x01, 0x00,\ +/* 64 */ 0x00, 0x02, 0x02, 0x08, 0x00, 0x10, 0x10, 0x10,\ +/* 72 */ 0x10, 0x00, 0x10, 0x10, 0x00, 0x00, 0x10, 0x10,\ +/* 80 */ 0x00, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00, 0x12,\ +/* 88 */ 0x20, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00,\ +/* 96 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x26, 0x26, 0x26,\ +/* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x00,\ +/* 112 */ 0x12, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x10,\ +/* 120 */ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,\ +/* 128 */ 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x10, 0x00,\ /* 136 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\ -/* 144 */ 0x00, 0x00, 0x00, 0x06, 0x10, 0x10, 0x00, 0x04,\ +/* 144 */ 0x00, 0x00, 0x00, 0x06, 0x10, 0x00, 0x10, 0x04,\ /* 152 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 160 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10,\ -/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00,} +/* 160 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ +/* 168 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ +} /* The sqlite3P2Values() routine is able to run faster if it knows ** the value of the largest JUMP opcode. The smaller the maximum @@ -15154,7 +15781,7 @@ typedef struct VdbeOpList VdbeOpList; ** generated this include file strives to group all JUMP opcodes ** together near the beginning of the list. */ -#define SQLITE_MX_JUMP_OPCODE 61 /* Maximum JUMP opcode */ +#define SQLITE_MX_JUMP_OPCODE 62 /* Maximum JUMP opcode */ /************** End of opcodes.h *********************************************/ /************** Continuing where we left off in vdbe.h ***********************/ @@ -15170,6 +15797,7 @@ typedef struct VdbeOpList VdbeOpList; ** for a description of what each of these routines does. */ SQLITE_PRIVATE Vdbe *sqlite3VdbeCreate(Parse*); +SQLITE_PRIVATE Parse *sqlite3VdbeParser(Vdbe*); SQLITE_PRIVATE int sqlite3VdbeAddOp0(Vdbe*,int); SQLITE_PRIVATE int sqlite3VdbeAddOp1(Vdbe*,int,int); SQLITE_PRIVATE int sqlite3VdbeAddOp2(Vdbe*,int,int,int); @@ -15180,6 +15808,7 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe*,int,int,int,int); SQLITE_PRIVATE int sqlite3VdbeAddOp4(Vdbe*,int,int,int,int,const char *zP4,int); SQLITE_PRIVATE int sqlite3VdbeAddOp4Dup8(Vdbe*,int,int,int,int,const u8*,int); SQLITE_PRIVATE int sqlite3VdbeAddOp4Int(Vdbe*,int,int,int,int,int); +SQLITE_PRIVATE int sqlite3VdbeAddFunctionCall(Parse*,int,int,int,int,const FuncDef*,int); SQLITE_PRIVATE void sqlite3VdbeEndCoroutine(Vdbe*,int); #if defined(SQLITE_DEBUG) && !defined(SQLITE_TEST_REALLOC_STRESS) SQLITE_PRIVATE void sqlite3VdbeVerifyNoMallocRequired(Vdbe *p, int N); @@ -15219,8 +15848,14 @@ SQLITE_PRIVATE void sqlite3VdbeChangeP2(Vdbe*, int addr, int P2); SQLITE_PRIVATE void sqlite3VdbeChangeP3(Vdbe*, int addr, int P3); SQLITE_PRIVATE void sqlite3VdbeChangeP5(Vdbe*, u16 P5); SQLITE_PRIVATE void sqlite3VdbeJumpHere(Vdbe*, int addr); +SQLITE_PRIVATE void sqlite3VdbeJumpHereOrPopInst(Vdbe*, int addr); SQLITE_PRIVATE int sqlite3VdbeChangeToNoop(Vdbe*, int addr); SQLITE_PRIVATE int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op); +#ifdef SQLITE_DEBUG +SQLITE_PRIVATE void sqlite3VdbeReleaseRegisters(Parse*,int addr, int n, u32 mask, int); +#else +# define sqlite3VdbeReleaseRegisters(P,A,N,M,F) +#endif SQLITE_PRIVATE void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N); SQLITE_PRIVATE void sqlite3VdbeAppendP4(Vdbe*, void *pP4, int p4type); SQLITE_PRIVATE void sqlite3VdbeSetP4KeyInfo(Parse*, Index*); @@ -15269,11 +15904,13 @@ SQLITE_PRIVATE UnpackedRecord *sqlite3VdbeAllocUnpackedRecord(KeyInfo*); typedef int (*RecordCompare)(int,const void*,UnpackedRecord*); SQLITE_PRIVATE RecordCompare sqlite3VdbeFindCompare(UnpackedRecord*); -#ifndef SQLITE_OMIT_TRIGGER SQLITE_PRIVATE void sqlite3VdbeLinkSubProgram(Vdbe *, SubProgram *); -#endif +SQLITE_PRIVATE int sqlite3VdbeHasSubProgram(Vdbe*); SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context*); +#ifdef SQLITE_ENABLE_BYTECODE_VTAB +SQLITE_PRIVATE int sqlite3VdbeBytecodeVtabInit(sqlite3*); +#endif /* Use SQLITE_ENABLE_COMMENTS to enable generation of extra comments on ** each VDBE opcode. @@ -15378,257 +16015,6 @@ SQLITE_PRIVATE void sqlite3VdbePrintOp(FILE*, int, VdbeOp*); /************** End of vdbe.h ************************************************/ /************** Continuing where we left off in sqliteInt.h ******************/ -/************** Include pager.h in the middle of sqliteInt.h *****************/ -/************** Begin file pager.h *******************************************/ -/* -** 2001 September 15 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -************************************************************************* -** This header file defines the interface that the sqlite page cache -** subsystem. The page cache subsystem reads and writes a file a page -** at a time and provides a journal for rollback. -*/ - -#ifndef SQLITE_PAGER_H -#define SQLITE_PAGER_H - -/* -** Default maximum size for persistent journal files. A negative -** value means no limit. This value may be overridden using the -** sqlite3PagerJournalSizeLimit() API. See also "PRAGMA journal_size_limit". -*/ -#ifndef SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT - #define SQLITE_DEFAULT_JOURNAL_SIZE_LIMIT -1 -#endif - -/* -** The type used to represent a page number. The first page in a file -** is called page 1. 0 is used to represent "not a page". -*/ -typedef u32 Pgno; - -/* -** Each open file is managed by a separate instance of the "Pager" structure. -*/ -typedef struct Pager Pager; - -/* -** Handle type for pages. -*/ -typedef struct PgHdr DbPage; - -/* -** Page number PAGER_MJ_PGNO is never used in an SQLite database (it is -** reserved for working around a windows/posix incompatibility). It is -** used in the journal to signify that the remainder of the journal file -** is devoted to storing a master journal name - there are no more pages to -** roll back. See comments for function writeMasterJournal() in pager.c -** for details. -*/ -#define PAGER_MJ_PGNO(x) ((Pgno)((PENDING_BYTE/((x)->pageSize))+1)) - -/* -** Allowed values for the flags parameter to sqlite3PagerOpen(). -** -** NOTE: These values must match the corresponding BTREE_ values in btree.h. -*/ -#define PAGER_OMIT_JOURNAL 0x0001 /* Do not use a rollback journal */ -#define PAGER_MEMORY 0x0002 /* In-memory database */ - -/* -** Valid values for the second argument to sqlite3PagerLockingMode(). -*/ -#define PAGER_LOCKINGMODE_QUERY -1 -#define PAGER_LOCKINGMODE_NORMAL 0 -#define PAGER_LOCKINGMODE_EXCLUSIVE 1 - -/* -** Numeric constants that encode the journalmode. -** -** The numeric values encoded here (other than PAGER_JOURNALMODE_QUERY) -** are exposed in the API via the "PRAGMA journal_mode" command and -** therefore cannot be changed without a compatibility break. -*/ -#define PAGER_JOURNALMODE_QUERY (-1) /* Query the value of journalmode */ -#define PAGER_JOURNALMODE_DELETE 0 /* Commit by deleting journal file */ -#define PAGER_JOURNALMODE_PERSIST 1 /* Commit by zeroing journal header */ -#define PAGER_JOURNALMODE_OFF 2 /* Journal omitted. */ -#define PAGER_JOURNALMODE_TRUNCATE 3 /* Commit by truncating journal */ -#define PAGER_JOURNALMODE_MEMORY 4 /* In-memory journal file */ -#define PAGER_JOURNALMODE_WAL 5 /* Use write-ahead logging */ - -/* -** Flags that make up the mask passed to sqlite3PagerGet(). -*/ -#define PAGER_GET_NOCONTENT 0x01 /* Do not load data from disk */ -#define PAGER_GET_READONLY 0x02 /* Read-only page is acceptable */ - -/* -** Flags for sqlite3PagerSetFlags() -** -** Value constraints (enforced via assert()): -** PAGER_FULLFSYNC == SQLITE_FullFSync -** PAGER_CKPT_FULLFSYNC == SQLITE_CkptFullFSync -** PAGER_CACHE_SPILL == SQLITE_CacheSpill -*/ -#define PAGER_SYNCHRONOUS_OFF 0x01 /* PRAGMA synchronous=OFF */ -#define PAGER_SYNCHRONOUS_NORMAL 0x02 /* PRAGMA synchronous=NORMAL */ -#define PAGER_SYNCHRONOUS_FULL 0x03 /* PRAGMA synchronous=FULL */ -#define PAGER_SYNCHRONOUS_EXTRA 0x04 /* PRAGMA synchronous=EXTRA */ -#define PAGER_SYNCHRONOUS_MASK 0x07 /* Mask for four values above */ -#define PAGER_FULLFSYNC 0x08 /* PRAGMA fullfsync=ON */ -#define PAGER_CKPT_FULLFSYNC 0x10 /* PRAGMA checkpoint_fullfsync=ON */ -#define PAGER_CACHESPILL 0x20 /* PRAGMA cache_spill=ON */ -#define PAGER_FLAGS_MASK 0x38 /* All above except SYNCHRONOUS */ - -/* -** The remainder of this file contains the declarations of the functions -** that make up the Pager sub-system API. See source code comments for -** a detailed description of each routine. -*/ - -/* Open and close a Pager connection. */ -SQLITE_PRIVATE int sqlite3PagerOpen( - sqlite3_vfs*, - Pager **ppPager, - const char*, - int, - int, - int, - void(*)(DbPage*) -); -SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager, sqlite3*); -SQLITE_PRIVATE int sqlite3PagerReadFileheader(Pager*, int, unsigned char*); - -/* Functions used to configure a Pager object. */ -SQLITE_PRIVATE void sqlite3PagerSetBusyHandler(Pager*, int(*)(void *), void *); -SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager*, u32*, int); -#ifdef SQLITE_HAS_CODEC -SQLITE_PRIVATE void sqlite3PagerAlignReserve(Pager*,Pager*); -#endif -SQLITE_PRIVATE int sqlite3PagerMaxPageCount(Pager*, int); -SQLITE_PRIVATE void sqlite3PagerSetCachesize(Pager*, int); -SQLITE_PRIVATE int sqlite3PagerSetSpillsize(Pager*, int); -SQLITE_PRIVATE void sqlite3PagerSetMmapLimit(Pager *, sqlite3_int64); -SQLITE_PRIVATE void sqlite3PagerShrink(Pager*); -SQLITE_PRIVATE void sqlite3PagerSetFlags(Pager*,unsigned); -SQLITE_PRIVATE int sqlite3PagerLockingMode(Pager *, int); -SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *, int); -SQLITE_PRIVATE int sqlite3PagerGetJournalMode(Pager*); -SQLITE_PRIVATE int sqlite3PagerOkToChangeJournalMode(Pager*); -SQLITE_PRIVATE i64 sqlite3PagerJournalSizeLimit(Pager *, i64); -SQLITE_PRIVATE sqlite3_backup **sqlite3PagerBackupPtr(Pager*); -SQLITE_PRIVATE int sqlite3PagerFlush(Pager*); - -/* Functions used to obtain and release page references. */ -SQLITE_PRIVATE int sqlite3PagerGet(Pager *pPager, Pgno pgno, DbPage **ppPage, int clrFlag); -SQLITE_PRIVATE DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno); -SQLITE_PRIVATE void sqlite3PagerRef(DbPage*); -SQLITE_PRIVATE void sqlite3PagerUnref(DbPage*); -SQLITE_PRIVATE void sqlite3PagerUnrefNotNull(DbPage*); -SQLITE_PRIVATE void sqlite3PagerUnrefPageOne(DbPage*); - -/* Operations on page references. */ -SQLITE_PRIVATE int sqlite3PagerWrite(DbPage*); -SQLITE_PRIVATE void sqlite3PagerDontWrite(DbPage*); -SQLITE_PRIVATE int sqlite3PagerMovepage(Pager*,DbPage*,Pgno,int); -SQLITE_PRIVATE int sqlite3PagerPageRefcount(DbPage*); -SQLITE_PRIVATE void *sqlite3PagerGetData(DbPage *); -SQLITE_PRIVATE void *sqlite3PagerGetExtra(DbPage *); - -/* Functions used to manage pager transactions and savepoints. */ -SQLITE_PRIVATE void sqlite3PagerPagecount(Pager*, int*); -SQLITE_PRIVATE int sqlite3PagerBegin(Pager*, int exFlag, int); -SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne(Pager*,const char *zMaster, int); -SQLITE_PRIVATE int sqlite3PagerExclusiveLock(Pager*); -SQLITE_PRIVATE int sqlite3PagerSync(Pager *pPager, const char *zMaster); -SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager*); -SQLITE_PRIVATE int sqlite3PagerRollback(Pager*); -SQLITE_PRIVATE int sqlite3PagerOpenSavepoint(Pager *pPager, int n); -SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint); -SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager); - -#ifndef SQLITE_OMIT_WAL -SQLITE_PRIVATE int sqlite3PagerCheckpoint(Pager *pPager, sqlite3*, int, int*, int*); -SQLITE_PRIVATE int sqlite3PagerWalSupported(Pager *pPager); -SQLITE_PRIVATE int sqlite3PagerWalCallback(Pager *pPager); -SQLITE_PRIVATE int sqlite3PagerOpenWal(Pager *pPager, int *pisOpen); -SQLITE_PRIVATE int sqlite3PagerCloseWal(Pager *pPager, sqlite3*); -# ifdef SQLITE_ENABLE_SNAPSHOT -SQLITE_PRIVATE int sqlite3PagerSnapshotGet(Pager *pPager, sqlite3_snapshot **ppSnapshot); -SQLITE_PRIVATE int sqlite3PagerSnapshotOpen(Pager *pPager, sqlite3_snapshot *pSnapshot); -SQLITE_PRIVATE int sqlite3PagerSnapshotRecover(Pager *pPager); -SQLITE_PRIVATE int sqlite3PagerSnapshotCheck(Pager *pPager, sqlite3_snapshot *pSnapshot); -SQLITE_PRIVATE void sqlite3PagerSnapshotUnlock(Pager *pPager); -# endif -#endif - -#ifdef SQLITE_DIRECT_OVERFLOW_READ -SQLITE_PRIVATE int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno); -#endif - -#ifdef SQLITE_ENABLE_ZIPVFS -SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager); -#endif - -/* Functions used to query pager state and configuration. */ -SQLITE_PRIVATE u8 sqlite3PagerIsreadonly(Pager*); -SQLITE_PRIVATE u32 sqlite3PagerDataVersion(Pager*); -#ifdef SQLITE_DEBUG -SQLITE_PRIVATE int sqlite3PagerRefcount(Pager*); -#endif -SQLITE_PRIVATE int sqlite3PagerMemUsed(Pager*); -SQLITE_PRIVATE const char *sqlite3PagerFilename(Pager*, int); -SQLITE_PRIVATE sqlite3_vfs *sqlite3PagerVfs(Pager*); -SQLITE_PRIVATE sqlite3_file *sqlite3PagerFile(Pager*); -SQLITE_PRIVATE sqlite3_file *sqlite3PagerJrnlFile(Pager*); -SQLITE_PRIVATE const char *sqlite3PagerJournalname(Pager*); -SQLITE_PRIVATE void *sqlite3PagerTempSpace(Pager*); -SQLITE_PRIVATE int sqlite3PagerIsMemdb(Pager*); -SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *, int, int, int *); -SQLITE_PRIVATE void sqlite3PagerClearCache(Pager*); -SQLITE_PRIVATE int sqlite3SectorSize(sqlite3_file *); -#ifdef SQLITE_ENABLE_SETLK_TIMEOUT -SQLITE_PRIVATE void sqlite3PagerResetLockTimeout(Pager *pPager); -#else -# define sqlite3PagerResetLockTimeout(X) -#endif - -/* Functions used to truncate the database file. */ -SQLITE_PRIVATE void sqlite3PagerTruncateImage(Pager*,Pgno); - -SQLITE_PRIVATE void sqlite3PagerRekey(DbPage*, Pgno, u16); - -#if defined(SQLITE_HAS_CODEC) && !defined(SQLITE_OMIT_WAL) -SQLITE_PRIVATE void *sqlite3PagerCodec(DbPage *); -#endif - -/* Functions to support testing and debugging. */ -#if !defined(NDEBUG) || defined(SQLITE_TEST) -SQLITE_PRIVATE Pgno sqlite3PagerPagenumber(DbPage*); -SQLITE_PRIVATE int sqlite3PagerIswriteable(DbPage*); -#endif -#ifdef SQLITE_TEST -SQLITE_PRIVATE int *sqlite3PagerStats(Pager*); -SQLITE_PRIVATE void sqlite3PagerRefdump(Pager*); - void disable_simulated_io_errors(void); - void enable_simulated_io_errors(void); -#else -# define disable_simulated_io_errors() -# define enable_simulated_io_errors() -#endif - -#endif /* SQLITE_PAGER_H */ - -/************** End of pager.h ***********************************************/ -/************** Continuing where we left off in sqliteInt.h ******************/ /************** Include pcache.h in the middle of sqliteInt.h ****************/ /************** Begin file pcache.h ******************************************/ /* @@ -15643,7 +16029,7 @@ SQLITE_PRIVATE void sqlite3PagerRefdump(Pager*); ** ************************************************************************* ** This header file defines the interface that the sqlite page cache -** subsystem. +** subsystem. */ #ifndef _PCACHE_H_ @@ -15669,7 +16055,7 @@ struct PgHdr { u16 flags; /* PGHDR flags defined below */ /********************************************************************** - ** Elements above, except pCache, are public. All that follow are + ** Elements above, except pCache, are public. All that follow are ** private to pcache.c and should not be accessed by other modules. ** pCache is grouped with the public elements for efficiency. */ @@ -15722,7 +16108,7 @@ SQLITE_PRIVATE int sqlite3PcacheSetPageSize(PCache *, int); SQLITE_PRIVATE int sqlite3PcacheSize(void); /* One release per successful fetch. Page is pinned until released. -** Reference counted. +** Reference counted. */ SQLITE_PRIVATE sqlite3_pcache_page *sqlite3PcacheFetch(PCache*, Pgno, int createFlag); SQLITE_PRIVATE int sqlite3PcacheFetchStress(PCache*, Pgno, sqlite3_pcache_page**); @@ -15766,7 +16152,7 @@ SQLITE_PRIVATE int sqlite3PcachePagecount(PCache*); #if defined(SQLITE_CHECK_PAGES) || defined(SQLITE_DEBUG) /* Iterate through all dirty pages currently stored in the cache. This -** interface is only available if SQLITE_CHECK_PAGES is defined when the +** interface is only available if SQLITE_CHECK_PAGES is defined when the ** library is built. */ SQLITE_PRIVATE void sqlite3PcacheIterateDirty(PCache *pCache, void (*xIter)(PgHdr *)); @@ -15941,10 +16327,10 @@ SQLITE_PRIVATE int sqlite3PCacheIsDirty(PCache *pCache); ** 2006-10-31: The default prefix used to be "sqlite_". But then ** Mcafee started using SQLite in their anti-virus product and it ** started putting files with the "sqlite" name in the c:/temp folder. -** This annoyed many windows users. Those users would then do a +** This annoyed many windows users. Those users would then do a ** Google search for "sqlite", find the telephone numbers of the ** developers and call to wake them up at night and complain. -** For this reason, the default name prefix is changed to be "sqlite" +** For this reason, the default name prefix is changed to be "sqlite" ** spelled backwards. So the temp files are still identified, but ** anybody smart enough to figure out the code is also likely smart ** enough to know that calling the developer will not help get rid @@ -15985,9 +16371,9 @@ SQLITE_PRIVATE int sqlite3PCacheIsDirty(PCache *pCache); ** UnlockFile(). ** ** LockFile() prevents not just writing but also reading by other processes. -** A SHARED_LOCK is obtained by locking a single randomly-chosen -** byte out of a specific range of bytes. The lock byte is obtained at -** random so two separate readers can probably access the file at the +** A SHARED_LOCK is obtained by locking a single randomly-chosen +** byte out of a specific range of bytes. The lock byte is obtained at +** random so two separate readers can probably access the file at the ** same time, unless they are unlucky and choose the same lock byte. ** An EXCLUSIVE_LOCK is obtained by locking all bytes in the range. ** There can only be one writer. A RESERVED_LOCK is obtained by locking @@ -16006,7 +16392,7 @@ SQLITE_PRIVATE int sqlite3PCacheIsDirty(PCache *pCache); ** The following #defines specify the range of bytes used for locking. ** SHARED_SIZE is the number of bytes available in the pool from which ** a random byte is selected for a shared lock. The pool of bytes for -** shared locks begins at SHARED_FIRST. +** shared locks begins at SHARED_FIRST. ** ** The same locking strategy and ** byte ranges are used for Unix. This leaves open the possibility of having @@ -16022,7 +16408,7 @@ SQLITE_PRIVATE int sqlite3PCacheIsDirty(PCache *pCache); ** that all locks will fit on a single page even at the minimum page size. ** PENDING_BYTE defines the beginning of the locks. By default PENDING_BYTE ** is set high so that we don't have to allocate an unused page except -** for very large databases. But one should test the page skipping logic +** for very large databases. But one should test the page skipping logic ** by setting PENDING_BYTE low and running the entire regression suite. ** ** Changing the value of PENDING_BYTE results in a subtly incompatible @@ -16046,8 +16432,8 @@ SQLITE_PRIVATE int sqlite3PCacheIsDirty(PCache *pCache); */ SQLITE_PRIVATE int sqlite3OsInit(void); -/* -** Functions for accessing sqlite3_file methods +/* +** Functions for accessing sqlite3_file methods */ SQLITE_PRIVATE void sqlite3OsClose(sqlite3_file*); SQLITE_PRIVATE int sqlite3OsRead(sqlite3_file*, void*, int amt, i64 offset); @@ -16073,8 +16459,8 @@ SQLITE_PRIVATE int sqlite3OsFetch(sqlite3_file *id, i64, int, void **); SQLITE_PRIVATE int sqlite3OsUnfetch(sqlite3_file *, i64, void *); -/* -** Functions for accessing sqlite3_vfs methods +/* +** Functions for accessing sqlite3_vfs methods */ SQLITE_PRIVATE int sqlite3OsOpen(sqlite3_vfs *, const char *, sqlite3_file*, int, int *); SQLITE_PRIVATE int sqlite3OsDelete(sqlite3_vfs *, const char *, int); @@ -16092,7 +16478,7 @@ SQLITE_PRIVATE int sqlite3OsGetLastError(sqlite3_vfs*); SQLITE_PRIVATE int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*); /* -** Convenience functions for opening and closing files using +** Convenience functions for opening and closing files using ** sqlite3_malloc() to obtain space for the file-handle structure. */ SQLITE_PRIVATE int sqlite3OsOpenMalloc(sqlite3_vfs *, const char *, sqlite3_file **, int,int*); @@ -16162,9 +16548,9 @@ SQLITE_PRIVATE void sqlite3OsCloseFree(sqlite3_file *); */ #define sqlite3_mutex_alloc(X) ((sqlite3_mutex*)8) #define sqlite3_mutex_free(X) -#define sqlite3_mutex_enter(X) +#define sqlite3_mutex_enter(X) #define sqlite3_mutex_try(X) SQLITE_OK -#define sqlite3_mutex_leave(X) +#define sqlite3_mutex_leave(X) #define sqlite3_mutex_held(X) ((void)(X),1) #define sqlite3_mutex_notheld(X) ((void)(X),1) #define sqlite3MutexAlloc(X) ((sqlite3_mutex*)8) @@ -16277,7 +16663,6 @@ struct Schema { */ #define DB_SchemaLoaded 0x0001 /* The schema has been loaded */ #define DB_UnresetViews 0x0002 /* Some views have defined column names */ -#define DB_Empty 0x0004 /* The file is empty (length 0 bytes) */ #define DB_ResetWanted 0x0008 /* Reset the schema when nSchemaLock==0 */ /* @@ -16305,15 +16690,47 @@ struct Schema { ** is shared by multiple database connections. Therefore, while parsing ** schema information, the Lookaside.bEnabled flag is cleared so that ** lookaside allocations are not used to construct the schema objects. +** +** New lookaside allocations are only allowed if bDisable==0. When +** bDisable is greater than zero, sz is set to zero which effectively +** disables lookaside without adding a new test for the bDisable flag +** in a performance-critical path. sz should be set by to szTrue whenever +** bDisable changes back to zero. +** +** Lookaside buffers are initially held on the pInit list. As they are +** used and freed, they are added back to the pFree list. New allocations +** come off of pFree first, then pInit as a fallback. This dual-list +** allows use to compute a high-water mark - the maximum number of allocations +** outstanding at any point in the past - by subtracting the number of +** allocations on the pInit list from the total number of allocations. +** +** Enhancement on 2019-12-12: Two-size-lookaside +** The default lookaside configuration is 100 slots of 1200 bytes each. +** The larger slot sizes are important for performance, but they waste +** a lot of space, as most lookaside allocations are less than 128 bytes. +** The two-size-lookaside enhancement breaks up the lookaside allocation +** into two pools: One of 128-byte slots and the other of the default size +** (1200-byte) slots. Allocations are filled from the small-pool first, +** failing over to the full-size pool if that does not work. Thus more +** lookaside slots are available while also using less memory. +** This enhancement can be omitted by compiling with +** SQLITE_OMIT_TWOSIZE_LOOKASIDE. */ struct Lookaside { u32 bDisable; /* Only operate the lookaside when zero */ u16 sz; /* Size of each buffer in bytes */ + u16 szTrue; /* True value of sz, even if disabled */ u8 bMalloced; /* True if pStart obtained from sqlite3_malloc() */ u32 nSlot; /* Number of lookaside slots allocated */ u32 anStat[3]; /* 0: hits. 1: size misses. 2: full misses */ LookasideSlot *pInit; /* List of buffers not previously used */ LookasideSlot *pFree; /* List of available buffers */ +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + LookasideSlot *pSmallInit; /* List of small buffers not prediously used */ + LookasideSlot *pSmallFree; /* List of available small buffers */ + void *pMiddle; /* First byte past end of full-size buffers and + ** the first byte of LOOKASIDE_SMALL buffers */ +#endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ void *pStart; /* First byte of available memory space */ void *pEnd; /* First byte past end of available space */ }; @@ -16321,6 +16738,17 @@ struct LookasideSlot { LookasideSlot *pNext; /* Next buffer in the list of free buffers */ }; +#define DisableLookaside db->lookaside.bDisable++;db->lookaside.sz=0 +#define EnableLookaside db->lookaside.bDisable--;\ + db->lookaside.sz=db->lookaside.bDisable?0:db->lookaside.szTrue + +/* Size of the smaller allocations in two-size lookside */ +#ifdef SQLITE_OMIT_TWOSIZE_LOOKASIDE +# define LOOKASIDE_SMALL 0 +#else +# define LOOKASIDE_SMALL 128 +#endif + /* ** A hash table for built-in function definitions. (Application-defined ** functions use a regular table table from hash.h.) @@ -16392,7 +16820,7 @@ SQLITE_PRIVATE void sqlite3CryptFunc(sqlite3_context*,int,sqlite3_value**); struct sqlite3 { sqlite3_vfs *pVfs; /* OS Interface */ struct Vdbe *pVdbe; /* List of active virtual machines */ - CollSeq *pDfltColl; /* The default collating sequence (BINARY) */ + CollSeq *pDfltColl; /* BINARY collseq for the database encoding */ sqlite3_mutex *mutex; /* Connection mutex */ Db *aDb; /* All backends */ int nDb; /* Number of backends currently in use */ @@ -16426,7 +16854,7 @@ struct sqlite3 { int aLimit[SQLITE_N_LIMIT]; /* Limits */ int nMaxSorterMmap; /* Maximum size of regions mapped by sorter */ struct sqlite3InitInfo { /* Information used during initialization */ - int newTnum; /* Rootpage of table being initialized */ + Pgno newTnum; /* Rootpage of table being initialized */ u8 iDb; /* Which db file is being initialized */ u8 busy; /* TRUE if currently initializing */ unsigned orphanTrigger : 1; /* Last statement is orphaned TEMP trigger */ @@ -16441,7 +16869,10 @@ struct sqlite3 { int nVDestroy; /* Number of active OP_VDestroy operations */ int nExtension; /* Number of loaded extensions */ void **aExtension; /* Array of shared library handles */ - int (*xTrace)(u32,void*,void*,void*); /* Trace function */ + union { + void (*xLegacy)(void*,const char*); /* Legacy trace function */ + int (*xV2)(u32,void*,void*,void*); /* V2 Trace function */ + } trace; void *pTraceArg; /* Argument to the trace function */ #ifndef SQLITE_OMIT_DEPRECATED void (*xProfile)(void*,const char*,u64); /* Profiling function */ @@ -16495,6 +16926,7 @@ struct sqlite3 { BusyHandler busyHandler; /* Busy callback */ Db aDbStatic[2]; /* Static space for the 2 default backends */ Savepoint *pSavepoint; /* List of active savepoints */ + int nAnalysisLimit; /* Number of index rows to ANALYZE */ int busyTimeout; /* Busy handler timeout, in msec */ int nSavepoint; /* Number of non-transaction savepoints */ int nStatement; /* Number of nested statement-transactions */ @@ -16502,7 +16934,7 @@ struct sqlite3 { i64 nDeferredImmCons; /* Net deferred immediate constraints */ int *pnBytesFreed; /* If not NULL, increment this in DbFree() */ #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY - /* The following variables are all protected by the STATIC_MASTER + /* The following variables are all protected by the STATIC_MAIN ** mutex, not by sqlite3.mutex. They are used by code in notify.c. ** ** When X.pUnlockConnection==Y, that means that X is waiting for Y to @@ -16530,6 +16962,13 @@ struct sqlite3 { #define ENC(db) ((db)->enc) /* +** A u64 constant where the lower 32 bits are all zeros. Only the +** upper 32 bits are included in the argument. Necessary because some +** C-compilers still do not accept LL integer literals. +*/ +#define HI(X) ((u64)(X)<<32) + +/* ** Possible values for the sqlite3.flags. ** ** Value constraints (enforced via assert()): @@ -16537,16 +16976,15 @@ struct sqlite3 { ** SQLITE_CkptFullFSync == PAGER_CKPT_FULLFSYNC ** SQLITE_CacheSpill == PAGER_CACHE_SPILL */ -#define SQLITE_WriteSchema 0x00000001 /* OK to update SQLITE_MASTER */ +#define SQLITE_WriteSchema 0x00000001 /* OK to update SQLITE_SCHEMA */ #define SQLITE_LegacyFileFmt 0x00000002 /* Create new databases in format 1 */ #define SQLITE_FullColNames 0x00000004 /* Show full column names on SELECT */ #define SQLITE_FullFSync 0x00000008 /* Use full fsync on the backend */ #define SQLITE_CkptFullFSync 0x00000010 /* Use full fsync for checkpoint */ #define SQLITE_CacheSpill 0x00000020 /* OK to spill pager cache */ #define SQLITE_ShortColNames 0x00000040 /* Show short columns names */ -#define SQLITE_CountRows 0x00000080 /* Count rows changed by INSERT, */ - /* DELETE, or UPDATE and return */ - /* the count using a callback. */ +#define SQLITE_TrustedSchema 0x00000080 /* Allow unsafe functions and + ** vtabs in the schema definition */ #define SQLITE_NullCallback 0x00000100 /* Invoke the callback once if the */ /* result set is empty */ #define SQLITE_IgnoreChecks 0x00000200 /* Do not enforce check constraints */ @@ -16572,9 +17010,11 @@ struct sqlite3 { #define SQLITE_DqsDDL 0x20000000 /* dbl-quoted strings allowed in DDL*/ #define SQLITE_DqsDML 0x40000000 /* dbl-quoted strings allowed in DML*/ #define SQLITE_EnableView 0x80000000 /* Enable the use of views */ +#define SQLITE_CountRows HI(0x00001) /* Count rows changed by INSERT, */ + /* DELETE, or UPDATE and return */ + /* the count using a callback. */ /* Flags used only if debugging */ -#define HI(X) ((u64)(X)<<32) #ifdef SQLITE_DEBUG #define SQLITE_SqlTrace HI(0x0100000) /* Debug print SQL as it executes */ #define SQLITE_VdbeListing HI(0x0200000) /* Debug listings of VDBE progs */ @@ -16592,6 +17032,8 @@ struct sqlite3 { #define DBFLAG_Vacuum 0x0004 /* Currently in a VACUUM */ #define DBFLAG_VacuumInto 0x0008 /* Currently running VACUUM INTO */ #define DBFLAG_SchemaKnownOk 0x0010 /* Schema is known to be valid */ +#define DBFLAG_InternalFunc 0x0020 /* Allow use of internal functions */ +#define DBFLAG_EncodingFixed 0x0040 /* No longer possible to change enc. */ /* ** Bits of the sqlite3.dbOptFlags field that are used by the @@ -16699,6 +17141,7 @@ struct FuncDestructor { ** SQLITE_FUNC_TYPEOF == OPFLAG_TYPEOFARG ** SQLITE_FUNC_CONSTANT == SQLITE_DETERMINISTIC from the API ** SQLITE_FUNC_DIRECT == SQLITE_DIRECTONLY from the API +** SQLITE_FUNC_UNSAFE == SQLITE_INNOCUOUS ** SQLITE_FUNC_ENCMASK depends on SQLITE_UTF* macros in the API */ #define SQLITE_FUNC_ENCMASK 0x0003 /* SQLITE_UTF8, SQLITE_UTF16BE or UTF16LE */ @@ -16709,18 +17152,29 @@ struct FuncDestructor { #define SQLITE_FUNC_LENGTH 0x0040 /* Built-in length() function */ #define SQLITE_FUNC_TYPEOF 0x0080 /* Built-in typeof() function */ #define SQLITE_FUNC_COUNT 0x0100 /* Built-in count(*) aggregate */ -#define SQLITE_FUNC_COALESCE 0x0200 /* Built-in coalesce() or ifnull() */ +/* 0x0200 -- available for reuse */ #define SQLITE_FUNC_UNLIKELY 0x0400 /* Built-in unlikely() function */ #define SQLITE_FUNC_CONSTANT 0x0800 /* Constant inputs give a constant output */ #define SQLITE_FUNC_MINMAX 0x1000 /* True for min() and max() aggregates */ #define SQLITE_FUNC_SLOCHNG 0x2000 /* "Slow Change". Value constant during a ** single query - might change over time */ -#define SQLITE_FUNC_AFFINITY 0x4000 /* Built-in affinity() function */ +#define SQLITE_FUNC_TEST 0x4000 /* Built-in testing functions */ #define SQLITE_FUNC_OFFSET 0x8000 /* Built-in sqlite_offset() function */ #define SQLITE_FUNC_WINDOW 0x00010000 /* Built-in window-only function */ #define SQLITE_FUNC_INTERNAL 0x00040000 /* For use by NestedParse() only */ #define SQLITE_FUNC_DIRECT 0x00080000 /* Not for use in TRIGGERs or VIEWs */ #define SQLITE_FUNC_SUBTYPE 0x00100000 /* Result likely to have sub-type */ +#define SQLITE_FUNC_UNSAFE 0x00200000 /* Function has side effects */ +#define SQLITE_FUNC_INLINE 0x00400000 /* Functions implemented in-line */ + +/* Identifier numbers for each in-line function */ +#define INLINEFUNC_coalesce 0 +#define INLINEFUNC_implies_nonnull_row 1 +#define INLINEFUNC_expr_implies_expr 2 +#define INLINEFUNC_expr_compare 3 +#define INLINEFUNC_affinity 4 +#define INLINEFUNC_iif 5 +#define INLINEFUNC_unlikely 99 /* Default case */ /* ** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are @@ -16736,6 +17190,22 @@ struct FuncDestructor { ** VFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag. ** +** SFUNCTION(zName, nArg, iArg, bNC, xFunc) +** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag and +** adds the SQLITE_DIRECTONLY flag. +** +** INLINE_FUNC(zName, nArg, iFuncId, mFlags) +** zName is the name of a function that is implemented by in-line +** byte code rather than by the usual callbacks. The iFuncId +** parameter determines the function id. The mFlags parameter is +** optional SQLITE_FUNC_ flags for this function. +** +** TEST_FUNC(zName, nArg, iFuncId, mFlags) +** zName is the name of a test-only function implemented by in-line +** byte code rather than by the usual callbacks. The iFuncId +** parameter determines the function id. The mFlags parameter is +** optional SQLITE_FUNC_ flags for this function. +** ** DFUNCTION(zName, nArg, iArg, bNC, xFunc) ** Like FUNCTION except it omits the SQLITE_FUNC_CONSTANT flag and ** adds the SQLITE_FUNC_SLOCHNG flag. Used for date & time functions @@ -16746,7 +17216,7 @@ struct FuncDestructor { ** PURE_DATE(zName, nArg, iArg, bNC, xFunc) ** Used for "pure" date/time functions, this macro is like DFUNCTION ** except that it does set the SQLITE_FUNC_CONSTANT flags. iArg is -** ignored and the user-data for these functions is set to an +** ignored and the user-data for these functions is set to an ** arbitrary non-NULL pointer. The bNC parameter is not used. ** ** AGGREGATE(zName, nArg, iArg, bNC, xStep, xFinal) @@ -16775,6 +17245,16 @@ struct FuncDestructor { #define VFUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL), \ SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } +#define SFUNCTION(zName, nArg, iArg, bNC, xFunc) \ + {nArg, SQLITE_UTF8|SQLITE_DIRECTONLY|SQLITE_FUNC_UNSAFE, \ + SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, 0, #zName, {0} } +#define INLINE_FUNC(zName, nArg, iArg, mFlags) \ + {nArg, SQLITE_UTF8|SQLITE_FUNC_INLINE|SQLITE_FUNC_CONSTANT|(mFlags), \ + SQLITE_INT_TO_PTR(iArg), 0, noopFunc, 0, 0, 0, #zName, {0} } +#define TEST_FUNC(zName, nArg, iArg, mFlags) \ + {nArg, SQLITE_UTF8|SQLITE_FUNC_INTERNAL|SQLITE_FUNC_TEST| \ + SQLITE_FUNC_INLINE|SQLITE_FUNC_CONSTANT|(mFlags), \ + SQLITE_INT_TO_PTR(iArg), 0, noopFunc, 0, 0, 0, #zName, {0} } #define DFUNCTION(zName, nArg, iArg, bNC, xFunc) \ {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8, \ 0, 0, xFunc, 0, 0, 0, #zName, {0} } @@ -16790,12 +17270,6 @@ struct FuncDestructor { #define LIKEFUNC(zName, nArg, arg, flags) \ {nArg, SQLITE_FUNC_CONSTANT|SQLITE_UTF8|flags, \ (void *)arg, 0, likeFunc, 0, 0, 0, #zName, {0} } -#define AGGREGATE(zName, nArg, arg, nc, xStep, xFinal, xValue) \ - {nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL), \ - SQLITE_INT_TO_PTR(arg), 0, xStep,xFinal,xValue,0,#zName, {0}} -#define AGGREGATE2(zName, nArg, arg, nc, xStep, xFinal, extraFlags) \ - {nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|extraFlags, \ - SQLITE_INT_TO_PTR(arg), 0, xStep,xFinal,xFinal,0,#zName, {0}} #define WAGGREGATE(zName, nArg, arg, nc, xStep, xFinal, xValue, xInverse, f) \ {nArg, SQLITE_UTF8|(nc*SQLITE_FUNC_NEEDCOLL)|f, \ SQLITE_INT_TO_PTR(arg), 0, xStep,xFinal,xValue,xInverse,#zName, {0}} @@ -16841,26 +17315,46 @@ struct Module { }; /* -** information about each column of an SQL table is held in an instance -** of this structure. +** Information about each column of an SQL table is held in an instance +** of the Column structure, in the Table.aCol[] array. +** +** Definitions: +** +** "table column index" This is the index of the column in the +** Table.aCol[] array, and also the index of +** the column in the original CREATE TABLE stmt. +** +** "storage column index" This is the index of the column in the +** record BLOB generated by the OP_MakeRecord +** opcode. The storage column index is less than +** or equal to the table column index. It is +** equal if and only if there are no VIRTUAL +** columns to the left. */ struct Column { char *zName; /* Name of this column, \000, then the type */ - Expr *pDflt; /* Default value of this column */ + Expr *pDflt; /* Default value or GENERATED ALWAYS AS value */ char *zColl; /* Collating sequence. If NULL, use the default */ u8 notNull; /* An OE_ code for handling a NOT NULL constraint */ char affinity; /* One of the SQLITE_AFF_... values */ u8 szEst; /* Estimated size of value in this column. sizeof(INT)==1 */ - u8 colFlags; /* Boolean properties. See COLFLAG_ defines below */ + u8 hName; /* Column name hash for faster lookup */ + u16 colFlags; /* Boolean properties. See COLFLAG_ defines below */ }; /* Allowed values for Column.colFlags: */ -#define COLFLAG_PRIMKEY 0x0001 /* Column is part of the primary key */ -#define COLFLAG_HIDDEN 0x0002 /* A hidden column in a virtual table */ -#define COLFLAG_HASTYPE 0x0004 /* Type name follows column name */ -#define COLFLAG_UNIQUE 0x0008 /* Column def contains "UNIQUE" or "PK" */ +#define COLFLAG_PRIMKEY 0x0001 /* Column is part of the primary key */ +#define COLFLAG_HIDDEN 0x0002 /* A hidden column in a virtual table */ +#define COLFLAG_HASTYPE 0x0004 /* Type name follows column name */ +#define COLFLAG_UNIQUE 0x0008 /* Column def contains "UNIQUE" or "PK" */ #define COLFLAG_SORTERREF 0x0010 /* Use sorter-refs with this column */ +#define COLFLAG_VIRTUAL 0x0020 /* GENERATED ALWAYS AS ... VIRTUAL */ +#define COLFLAG_STORED 0x0040 /* GENERATED ALWAYS AS ... STORED */ +#define COLFLAG_NOTAVAIL 0x0080 /* STORED column not yet calculated */ +#define COLFLAG_BUSY 0x0100 /* Blocks recursion on GENERATED columns */ +#define COLFLAG_GENERATED 0x0060 /* Combo: _STORED, _VIRTUAL */ +#define COLFLAG_NOINSERT 0x0062 /* Combo: _HIDDEN, _STORED, _VIRTUAL */ /* ** A "Collating Sequence" is defined by an instance of the following @@ -16978,10 +17472,17 @@ struct VTable { sqlite3_vtab *pVtab; /* Pointer to vtab instance */ int nRef; /* Number of pointers to this structure */ u8 bConstraint; /* True if constraints are supported */ + u8 eVtabRisk; /* Riskiness of allowing hacker access */ int iSavepoint; /* Depth of the SAVEPOINT stack */ VTable *pNext; /* Next in linked list (see above) */ }; +/* Allowed values for VTable.eVtabRisk +*/ +#define SQLITE_VTABRISK_Low 0 +#define SQLITE_VTABRISK_Normal 1 +#define SQLITE_VTABRISK_High 2 + /* ** The schema for each SQL table and view is represented in memory ** by an instance of the following structure. @@ -16995,11 +17496,12 @@ struct Table { char *zColAff; /* String defining the affinity of each column */ ExprList *pCheck; /* All CHECK constraints */ /* ... also used as column name list in a VIEW */ - int tnum; /* Root BTree page for this table */ + Pgno tnum; /* Root BTree page for this table */ u32 nTabRef; /* Number of pointers to this Table */ u32 tabFlags; /* Mask of TF_* values */ i16 iPKey; /* If not negative, use aCol[iPKey] as the rowid */ i16 nCol; /* Number of columns in this table */ + i16 nNVCol; /* Number of columns that are not VIRTUAL */ LogEst nRowLogEst; /* Estimated rows in table - from sqlite_stat1 table */ LogEst szTabRow; /* Estimated size of each table row in bytes */ #ifdef SQLITE_ENABLE_COSTMULT @@ -17026,20 +17528,28 @@ struct Table { ** followed by non-hidden columns. Example: "CREATE VIRTUAL TABLE x USING ** vtab1(a HIDDEN, b);". Since "b" is a non-hidden column but "a" is hidden, ** the TF_OOOHidden attribute would apply in this case. Such tables require -** special handling during INSERT processing. +** special handling during INSERT processing. The "OOO" means "Out Of Order". +** +** Constraints: +** +** TF_HasVirtual == COLFLAG_Virtual +** TF_HasStored == COLFLAG_Stored */ #define TF_Readonly 0x0001 /* Read-only system table */ #define TF_Ephemeral 0x0002 /* An ephemeral table */ #define TF_HasPrimaryKey 0x0004 /* Table has a primary key */ #define TF_Autoincrement 0x0008 /* Integer primary key is autoincrement */ #define TF_HasStat1 0x0010 /* nRowLogEst set from sqlite_stat1 */ -#define TF_WithoutRowid 0x0020 /* No rowid. PRIMARY KEY is the key */ -#define TF_NoVisibleRowid 0x0040 /* No user-visible "rowid" column */ -#define TF_OOOHidden 0x0080 /* Out-of-Order hidden columns */ +#define TF_HasVirtual 0x0020 /* Has one or more VIRTUAL columns */ +#define TF_HasStored 0x0040 /* Has one or more STORED columns */ +#define TF_HasGenerated 0x0060 /* Combo: HasVirtual + HasStored */ +#define TF_WithoutRowid 0x0080 /* No rowid. PRIMARY KEY is the key */ #define TF_StatsUsed 0x0100 /* Query planner decisions affected by ** Index.aiRowLogEst[] values */ -#define TF_HasNotNull 0x0200 /* Contains NOT NULL constraints */ -#define TF_Shadow 0x0400 /* True for a shadow table */ +#define TF_NoVisibleRowid 0x0200 /* No user-visible "rowid" column */ +#define TF_OOOHidden 0x0400 /* Out-of-Order hidden columns */ +#define TF_HasNotNull 0x0800 /* Contains NOT NULL constraints */ +#define TF_Shadow 0x1000 /* True for a shadow table */ /* ** Test to see whether or not a table is a virtual table. This is @@ -17048,8 +17558,11 @@ struct Table { */ #ifndef SQLITE_OMIT_VIRTUALTABLE # define IsVirtual(X) ((X)->nModuleArg) +# define ExprIsVtab(X) \ + ((X)->op==TK_COLUMN && (X)->y.pTab!=0 && (X)->y.pTab->nModuleArg) #else # define IsVirtual(X) 0 +# define ExprIsVtab(X) 0 #endif /* @@ -17257,7 +17770,7 @@ struct UnpackedRecord { ** element. ** ** While parsing a CREATE TABLE or CREATE INDEX statement in order to -** generate VDBE code (as opposed to parsing one read from an sqlite_master +** generate VDBE code (as opposed to parsing one read from an sqlite_schema ** table as part of parsing an existing database schema), transient instances ** of this structure may be created. In this case the Index.tnum variable is ** used to store the address of a VDBE instruction, not a database page @@ -17276,7 +17789,7 @@ struct Index { const char **azColl; /* Array of collation sequence names for index */ Expr *pPartIdxWhere; /* WHERE clause for partial indices */ ExprList *aColExpr; /* Column expressions */ - int tnum; /* DB Page containing root of this index */ + Pgno tnum; /* DB Page containing root of this index */ LogEst szIdxRow; /* Estimated average row size in bytes */ u16 nKeyCol; /* Number of columns forming the key */ u16 nColumn; /* Number of columns stored in the index */ @@ -17290,6 +17803,7 @@ struct Index { unsigned hasStat1:1; /* aiRowLogEst values come from sqlite_stat1 */ unsigned bNoQuery:1; /* Do not use this index to optimize queries */ unsigned bAscKeyBug:1; /* True if the bba7b69f9849b5bf bug applies */ + unsigned bHasVCol:1; /* Index references one or more VIRTUAL columns */ #ifdef SQLITE_ENABLE_STAT4 int nSample; /* Number of elements in aSample[] */ int nSampleCol; /* Size of IndexSample.anEq[] and so on */ @@ -17360,7 +17874,7 @@ struct Token { ** code for a SELECT that contains aggregate functions. ** ** If Expr.op==TK_AGG_COLUMN or TK_AGG_FUNCTION then Expr.pAggInfo is a -** pointer to this structure. The Expr.iColumn field is the index in +** pointer to this structure. The Expr.iAgg field is the index in ** AggInfo.aCol[] or AggInfo.aFunc[] of information needed to generate ** code for that node. ** @@ -17380,23 +17894,25 @@ struct AggInfo { ExprList *pGroupBy; /* The group by clause */ struct AggInfo_col { /* For each column used in source tables */ Table *pTab; /* Source table */ + Expr *pCExpr; /* The original expression */ int iTable; /* Cursor number of the source table */ - int iColumn; /* Column number within the source table */ - int iSorterColumn; /* Column number in the sorting index */ int iMem; /* Memory location that acts as accumulator */ - Expr *pExpr; /* The original expression */ + i16 iColumn; /* Column number within the source table */ + i16 iSorterColumn; /* Column number in the sorting index */ } *aCol; int nColumn; /* Number of used entries in aCol[] */ int nAccumulator; /* Number of columns that show through to the output. ** Additional columns are used only as parameters to ** aggregate functions */ struct AggInfo_func { /* For each aggregate function */ - Expr *pExpr; /* Expression encoding the function */ + Expr *pFExpr; /* Expression encoding the function */ FuncDef *pFunc; /* The aggregate function implementation */ int iMem; /* Memory location that acts as accumulator */ int iDistinct; /* Ephemeral table used to enforce DISTINCT */ } *aFunc; int nFunc; /* Number of entries in aFunc[] */ + u32 selId; /* Select to which this AggInfo belongs */ + AggInfo *pNext; /* Next in list of them all */ }; /* @@ -17406,10 +17922,10 @@ struct AggInfo { ** it uses less memory in the Expr object, which is a big memory user ** in systems with lots of prepared statements. And few applications ** need more than about 10 or 20 variables. But some extreme users want -** to have prepared statements with over 32767 variables, and for them +** to have prepared statements with over 32766 variables, and for them ** the option is available (at compile-time). */ -#if SQLITE_MAX_VARIABLE_NUMBER<=32767 +#if SQLITE_MAX_VARIABLE_NUMBER<32767 typedef i16 ynVar; #else typedef int ynVar; @@ -17481,6 +17997,13 @@ typedef int ynVar; struct Expr { u8 op; /* Operation performed by this node */ char affExpr; /* affinity, or RAISE type */ + u8 op2; /* TK_REGISTER/TK_TRUTH: original value of Expr.op + ** TK_COLUMN: the value of p5 for OP_Column + ** TK_AGG_FUNCTION: nesting depth + ** TK_FUNCTION: NC_SelfRef flag if needs OP_PureFunc */ +#ifdef SQLITE_DEBUG + u8 vvaFlags; /* Verification flags. */ +#endif u32 flags; /* Various flags. EP_* See below */ union { char *zToken; /* Token value. Zero terminated and dequoted */ @@ -17519,9 +18042,6 @@ struct Expr { ** TK_SELECT_COLUMN: column of the result vector */ i16 iAgg; /* Which entry in pAggInfo->aCol[] or ->aFunc[] */ i16 iRightJoinTable; /* If EP_FromJoin, the right table of the join */ - u8 op2; /* TK_REGISTER/TK_TRUTH: original value of Expr.op - ** TK_COLUMN: the value of p5 for OP_Column - ** TK_AGG_FUNCTION: nesting depth */ AggInfo *pAggInfo; /* Used by TK_AGG_COLUMN and TK_AGG_FUNCTION */ union { Table *pTab; /* TK_COLUMN: Table containing column. Can be NULL @@ -17550,7 +18070,7 @@ struct Expr { #define EP_DblQuoted 0x000040 /* token.z was originally in "..." */ #define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */ #define EP_Collate 0x000100 /* Tree contains a TK_COLLATE operator */ - /* 0x000200 Available for reuse */ +#define EP_Commuted 0x000200 /* Comparison operator has been commuted */ #define EP_IntValue 0x000400 /* Integer value contained in u.iValue */ #define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */ #define EP_Skip 0x001000 /* Operator does not contribute to affinity */ @@ -17558,7 +18078,7 @@ struct Expr { #define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */ #define EP_Win 0x008000 /* Contains window functions */ #define EP_MemToken 0x010000 /* Need to sqlite3DbFree() Expr.zToken */ -#define EP_NoReduce 0x020000 /* Cannot EXPRDUP_REDUCE this Expr */ + /* 0x020000 // available for reuse */ #define EP_Unlikely 0x040000 /* unlikely() or likelihood() function */ #define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */ #define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */ @@ -17571,7 +18091,8 @@ struct Expr { #define EP_Static 0x8000000 /* Held in memory not obtained from malloc() */ #define EP_IsTrue 0x10000000 /* Always has boolean value of TRUE */ #define EP_IsFalse 0x20000000 /* Always has boolean value of FALSE */ -#define EP_Indirect 0x40000000 /* Contained within a TRIGGER or a VIEW */ +#define EP_FromDDL 0x40000000 /* Originates from sqlite_schema */ + /* 0x80000000 // Available */ /* ** The EP_Propagate mask is a set of properties that automatically propagate @@ -17590,14 +18111,24 @@ struct Expr { #define ExprAlwaysTrue(E) (((E)->flags&(EP_FromJoin|EP_IsTrue))==EP_IsTrue) #define ExprAlwaysFalse(E) (((E)->flags&(EP_FromJoin|EP_IsFalse))==EP_IsFalse) + +/* Flags for use with Expr.vvaFlags +*/ +#define EP_NoReduce 0x01 /* Cannot EXPRDUP_REDUCE this Expr */ +#define EP_Immutable 0x02 /* Do not change this Expr node */ + /* The ExprSetVVAProperty() macro is used for Verification, Validation, ** and Accreditation only. It works like ExprSetProperty() during VVA ** processes but is a no-op for delivery. */ #ifdef SQLITE_DEBUG -# define ExprSetVVAProperty(E,P) (E)->flags|=(P) +# define ExprSetVVAProperty(E,P) (E)->vvaFlags|=(P) +# define ExprHasVVAProperty(E,P) (((E)->vvaFlags&(P))!=0) +# define ExprClearVVAProperties(E) (E)->vvaFlags = 0 #else # define ExprSetVVAProperty(E,P) +# define ExprHasVVAProperty(E,P) 0 +# define ExprClearVVAProperties(E) #endif /* @@ -17635,23 +18166,28 @@ struct Expr { ** also be used as the argument to a function, in which case the a.zName ** field is not used. ** -** By default the Expr.zSpan field holds a human-readable description of -** the expression that is used in the generation of error messages and -** column labels. In this case, Expr.zSpan is typically the text of a -** column expression as it exists in a SELECT statement. However, if -** the bSpanIsTab flag is set, then zSpan is overloaded to mean the name -** of the result column in the form: DATABASE.TABLE.COLUMN. This later -** form is used for name resolution with nested FROM clauses. +** In order to try to keep memory usage down, the Expr.a.zEName field +** is used for multiple purposes: +** +** eEName Usage +** ---------- ------------------------- +** ENAME_NAME (1) the AS of result set column +** (2) COLUMN= of an UPDATE +** +** ENAME_TAB DB.TABLE.NAME used to resolve names +** of subqueries +** +** ENAME_SPAN Text of the original result set +** expression. */ struct ExprList { int nExpr; /* Number of expressions on the list */ struct ExprList_item { /* For each expression in the list */ Expr *pExpr; /* The parse tree for this expression */ - char *zName; /* Token associated with this expression */ - char *zSpan; /* Original text of the expression */ + char *zEName; /* Token associated with this expression */ u8 sortFlags; /* Mask of KEYINFO_ORDER_* flags */ + unsigned eEName :2; /* Meaning of zEName */ unsigned done :1; /* A flag to indicate when processing is finished */ - unsigned bSpanIsTab :1; /* zSpan holds DB.TABLE.COLUMN */ unsigned reusable :1; /* Constant expression is reusable */ unsigned bSorterRef :1; /* Defer evaluation until after sorting */ unsigned bNulls: 1; /* True if explicit "NULLS FIRST/LAST" */ @@ -17666,6 +18202,13 @@ struct ExprList { }; /* +** Allowed values for Expr.a.eEName +*/ +#define ENAME_NAME 0 /* The AS clause of a result set */ +#define ENAME_SPAN 1 /* Complete text of the result set expression */ +#define ENAME_TAB 2 /* "DB.TABLE.NAME" for the result set */ + +/* ** An instance of this structure can hold a simple list of identifiers, ** such as the list "a,b,c" in the following statements: ** @@ -17728,6 +18271,7 @@ struct SrcList { unsigned isCorrelated :1; /* True if sub-query is correlated */ unsigned viaCoroutine :1; /* Implemented as a co-routine */ unsigned isRecursive :1; /* True for recursive reference in WITH */ + unsigned fromDDL :1; /* Comes from sqlite_schema */ } fg; int iCursor; /* The VDBE cursor number used to access this table */ Expr *pOn; /* The ON clause of a join */ @@ -17831,21 +18375,24 @@ struct NameContext { ** NC_HasWin == EP_Win ** */ -#define NC_AllowAgg 0x0001 /* Aggregate functions are allowed here */ -#define NC_PartIdx 0x0002 /* True if resolving a partial index WHERE */ -#define NC_IsCheck 0x0004 /* True if resolving names in a CHECK constraint */ -#define NC_InAggFunc 0x0008 /* True if analyzing arguments to an agg func */ -#define NC_HasAgg 0x0010 /* One or more aggregate functions seen */ -#define NC_IdxExpr 0x0020 /* True if resolving columns of CREATE INDEX */ -#define NC_VarSelect 0x0040 /* A correlated subquery has been seen */ -#define NC_UEList 0x0080 /* True if uNC.pEList is used */ -#define NC_UAggInfo 0x0100 /* True if uNC.pAggInfo is used */ -#define NC_UUpsert 0x0200 /* True if uNC.pUpsert is used */ -#define NC_MinMaxAgg 0x1000 /* min/max aggregates seen. See note above */ -#define NC_Complex 0x2000 /* True if a function or subquery seen */ -#define NC_AllowWin 0x4000 /* Window functions are allowed here */ -#define NC_HasWin 0x8000 /* One or more window functions seen */ -#define NC_IsDDL 0x10000 /* Resolving names in a CREATE statement */ +#define NC_AllowAgg 0x00001 /* Aggregate functions are allowed here */ +#define NC_PartIdx 0x00002 /* True if resolving a partial index WHERE */ +#define NC_IsCheck 0x00004 /* True if resolving a CHECK constraint */ +#define NC_GenCol 0x00008 /* True for a GENERATED ALWAYS AS clause */ +#define NC_HasAgg 0x00010 /* One or more aggregate functions seen */ +#define NC_IdxExpr 0x00020 /* True if resolving columns of CREATE INDEX */ +#define NC_SelfRef 0x0002e /* Combo: PartIdx, isCheck, GenCol, and IdxExpr */ +#define NC_VarSelect 0x00040 /* A correlated subquery has been seen */ +#define NC_UEList 0x00080 /* True if uNC.pEList is used */ +#define NC_UAggInfo 0x00100 /* True if uNC.pAggInfo is used */ +#define NC_UUpsert 0x00200 /* True if uNC.pUpsert is used */ +#define NC_MinMaxAgg 0x01000 /* min/max aggregates seen. See note above */ +#define NC_Complex 0x02000 /* True if a function or subquery seen */ +#define NC_AllowWin 0x04000 /* Window functions are allowed here */ +#define NC_HasWin 0x08000 /* One or more window functions seen */ +#define NC_IsDDL 0x10000 /* Resolving names in a CREATE statement */ +#define NC_InAggFunc 0x20000 /* True if analyzing arguments to an agg func */ +#define NC_FromDDL 0x40000 /* SQL text comes from sqlite_schema */ /* ** An instance of the following object describes a single ON CONFLICT @@ -17856,7 +18403,7 @@ struct NameContext { ** conflict-target clause.) The pUpsertTargetWhere is the optional ** WHERE clause used to identify partial unique indexes. ** -** pUpsertSet is the list of column=expr terms of the UPDATE statement. +** pUpsertSet is the list of column=expr terms of the UPDATE statement. ** The pUpsertSet field is NULL for a ON CONFLICT DO NOTHING. The ** pUpsertWhere is the WHERE clause for the UPDATE and is NULL if the ** WHERE clause is omitted. @@ -17895,13 +18442,13 @@ struct Upsert { ** sequences for the ORDER BY clause. */ struct Select { - ExprList *pEList; /* The fields of the result */ u8 op; /* One of: TK_UNION TK_ALL TK_INTERSECT TK_EXCEPT */ LogEst nSelectRow; /* Estimated number of result rows */ u32 selFlags; /* Various SF_* values */ int iLimit, iOffset; /* Memory registers holding LIMIT & OFFSET counters */ u32 selId; /* Unique identifier number for this SELECT */ int addrOpenEphm[2]; /* OP_OpenEphem opcodes related to this select */ + ExprList *pEList; /* The fields of the result */ SrcList *pSrc; /* The FROM clause */ Expr *pWhere; /* The WHERE clause */ ExprList *pGroupBy; /* The GROUP BY clause */ @@ -17926,26 +18473,30 @@ struct Select { ** SF_MinMaxAgg == NC_MinMaxAgg == SQLITE_FUNC_MINMAX ** SF_FixedLimit == WHERE_USE_LIMIT */ -#define SF_Distinct 0x00001 /* Output should be DISTINCT */ -#define SF_All 0x00002 /* Includes the ALL keyword */ -#define SF_Resolved 0x00004 /* Identifiers have been resolved */ -#define SF_Aggregate 0x00008 /* Contains agg functions or a GROUP BY */ -#define SF_HasAgg 0x00010 /* Contains aggregate functions */ -#define SF_UsesEphemeral 0x00020 /* Uses the OpenEphemeral opcode */ -#define SF_Expanded 0x00040 /* sqlite3SelectExpand() called on this */ -#define SF_HasTypeInfo 0x00080 /* FROM subqueries have Table metadata */ -#define SF_Compound 0x00100 /* Part of a compound query */ -#define SF_Values 0x00200 /* Synthesized from VALUES clause */ -#define SF_MultiValue 0x00400 /* Single VALUES term with multiple rows */ -#define SF_NestedFrom 0x00800 /* Part of a parenthesized FROM clause */ -#define SF_MinMaxAgg 0x01000 /* Aggregate containing min() or max() */ -#define SF_Recursive 0x02000 /* The recursive part of a recursive CTE */ -#define SF_FixedLimit 0x04000 /* nSelectRow set by a constant LIMIT */ -#define SF_MaybeConvert 0x08000 /* Need convertCompoundSelectToSubquery() */ -#define SF_Converted 0x10000 /* By convertCompoundSelectToSubquery() */ -#define SF_IncludeHidden 0x20000 /* Include hidden columns in output */ -#define SF_ComplexResult 0x40000 /* Result contains subquery or function */ -#define SF_WhereBegin 0x80000 /* Really a WhereBegin() call. Debug Only */ +#define SF_Distinct 0x0000001 /* Output should be DISTINCT */ +#define SF_All 0x0000002 /* Includes the ALL keyword */ +#define SF_Resolved 0x0000004 /* Identifiers have been resolved */ +#define SF_Aggregate 0x0000008 /* Contains agg functions or a GROUP BY */ +#define SF_HasAgg 0x0000010 /* Contains aggregate functions */ +#define SF_UsesEphemeral 0x0000020 /* Uses the OpenEphemeral opcode */ +#define SF_Expanded 0x0000040 /* sqlite3SelectExpand() called on this */ +#define SF_HasTypeInfo 0x0000080 /* FROM subqueries have Table metadata */ +#define SF_Compound 0x0000100 /* Part of a compound query */ +#define SF_Values 0x0000200 /* Synthesized from VALUES clause */ +#define SF_MultiValue 0x0000400 /* Single VALUES term with multiple rows */ +#define SF_NestedFrom 0x0000800 /* Part of a parenthesized FROM clause */ +#define SF_MinMaxAgg 0x0001000 /* Aggregate containing min() or max() */ +#define SF_Recursive 0x0002000 /* The recursive part of a recursive CTE */ +#define SF_FixedLimit 0x0004000 /* nSelectRow set by a constant LIMIT */ +#define SF_MaybeConvert 0x0008000 /* Need convertCompoundSelectToSubquery() */ +#define SF_Converted 0x0010000 /* By convertCompoundSelectToSubquery() */ +#define SF_IncludeHidden 0x0020000 /* Include hidden columns in output */ +#define SF_ComplexResult 0x0040000 /* Result contains subquery or function */ +#define SF_WhereBegin 0x0080000 /* Really a WhereBegin() call. Debug Only */ +#define SF_WinRewrite 0x0100000 /* Window function rewrite accomplished */ +#define SF_View 0x0200000 /* SELECT statement is a view */ +#define SF_NoopOrderBy 0x0400000 /* ORDER BY is ignored for this query */ +#define SF_UpdateFrom 0x0800000 /* Statement is an UPDATE...FROM */ /* ** The results of a SELECT can be distributed in several ways, as defined @@ -18010,6 +18561,14 @@ struct Select { ** SRT_DistQueue Store results in priority queue pDest->iSDParm only if ** the same record has never been stored before. The ** index at pDest->iSDParm+1 hold all prior stores. +** +** SRT_Upfrom Store results in the temporary table already opened by +** pDest->iSDParm. If (pDest->iSDParm<0), then the temp +** table is an intkey table - in this case the first +** column returned by the SELECT is used as the integer +** key. If (pDest->iSDParm>0), then the table is an index +** table. (pDest->iSDParm) is the number of key columns in +** each index record in this case. */ #define SRT_Union 1 /* Store result as keys in an index */ #define SRT_Except 2 /* Remove result from a UNION index */ @@ -18029,14 +18588,16 @@ struct Select { #define SRT_EphemTab 12 /* Create transient tab and store like SRT_Table */ #define SRT_Coroutine 13 /* Generate a single row of result */ #define SRT_Table 14 /* Store result as data with an automatic rowid */ +#define SRT_Upfrom 15 /* Store result as data with rowid */ /* ** An instance of this object describes where to put of the results of ** a SELECT statement. */ struct SelectDest { - u8 eDest; /* How to dispose of the results. On of SRT_* above. */ + u8 eDest; /* How to dispose of the results. One of SRT_* above. */ int iSDParm; /* A parameter used by the eDest disposal method */ + int iSDParm2; /* A second parameter for the eDest disposal method */ int iSdst; /* Base register where results are written */ int nSdst; /* Number of registers allocated */ char *zAffSdst; /* Affinity used when eDest==SRT_Set */ @@ -18162,6 +18723,7 @@ struct Parse { Parse *pToplevel; /* Parse structure for main program (or NULL) */ Table *pTriggerTab; /* Table triggers are being coded for */ Parse *pParentParse; /* Parent parser if this parser is nested */ + AggInfo *pAggList; /* List of all AggInfo objects */ int addrCrTab; /* Address of OP_CreateBtree opcode on CREATE TABLE */ u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u32 oldmask; /* Mask of old.* columns referenced */ @@ -18191,9 +18753,7 @@ struct Parse { ynVar nVar; /* Number of '?' variables seen in the SQL so far */ u8 iPkSortOrder; /* ASC or DESC for INTEGER PRIMARY KEY */ u8 explain; /* True if the EXPLAIN flag is found on the query */ -#if !(defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_OMIT_ALTERTABLE)) u8 eParseMode; /* PARSE_MODE_XXX constant */ -#endif #ifndef SQLITE_OMIT_VIRTUALTABLE int nVtabLock; /* Number of virtual tables to lock */ #endif @@ -18225,8 +18785,8 @@ struct Parse { #define PARSE_MODE_NORMAL 0 #define PARSE_MODE_DECLARE_VTAB 1 -#define PARSE_MODE_RENAME_COLUMN 2 -#define PARSE_MODE_RENAME_TABLE 3 +#define PARSE_MODE_RENAME 2 +#define PARSE_MODE_UNMAP 3 /* ** Sizes and pointers of various parts of the Parse object. @@ -18248,7 +18808,7 @@ struct Parse { #if defined(SQLITE_OMIT_ALTERTABLE) #define IN_RENAME_OBJECT 0 #else - #define IN_RENAME_OBJECT (pParse->eParseMode>=PARSE_MODE_RENAME_COLUMN) + #define IN_RENAME_OBJECT (pParse->eParseMode>=PARSE_MODE_RENAME) #endif #if defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_OMIT_ALTERTABLE) @@ -18381,6 +18941,7 @@ struct TriggerStep { Trigger *pTrig; /* The trigger that this step is a part of */ Select *pSelect; /* SELECT statement or RHS of INSERT INTO SELECT ... */ char *zTarget; /* Target table for DELETE, UPDATE, INSERT */ + SrcList *pFrom; /* FROM clause for UPDATE statement (if any) */ Expr *pWhere; /* The WHERE clause for DELETE or UPDATE steps */ ExprList *pExprList; /* SET clause for UPDATE */ IdList *pIdList; /* Column names for INSERT */ @@ -18399,7 +18960,7 @@ typedef struct DbFixer DbFixer; struct DbFixer { Parse *pParse; /* The parsing context. Error messages written here */ Schema *pSchema; /* Fix items to this schema */ - int bVarOnly; /* Check for variable references only */ + u8 bTemp; /* True for TEMP schema entries */ const char *zDb; /* Make sure all objects are contained in this database */ const char *zType; /* Type of the container - used for error messages */ const Token *pName; /* Name of the container - used for error messages */ @@ -18436,6 +18997,7 @@ typedef struct { int rc; /* Result code stored here */ u32 mInitFlags; /* Flags controlling error messages */ u32 nInitRow; /* Number of rows processed */ + Pgno mxPage; /* Maximum page number. 0 for no limit. */ } InitData; /* @@ -18504,7 +19066,6 @@ struct Sqlite3Config { int (*xTestCallback)(int); /* Invoked by sqlite3FaultSim() */ #endif int bLocaltimeFault; /* True to fail localtime() calls */ - int bInternalFunctions; /* Internal SQL functions are visible */ int iOnceResetThreshold; /* When to reset OP_Once counters */ u32 szSorterRef; /* Min size in bytes to use sorter-refs */ unsigned int iPrngSeed; /* Alternative fixed seed for the PRNG */ @@ -18537,7 +19098,7 @@ struct Walker { int (*xSelectCallback)(Walker*,Select*); /* Callback for SELECTs */ void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */ int walkerDepth; /* Number of subqueries */ - u8 eCode; /* A small processing code */ + u16 eCode; /* A small processing code */ union { /* Extra data for callback */ NameContext *pNC; /* Naming context */ int n; /* A counter */ @@ -18553,6 +19114,8 @@ struct Walker { struct WindowRewrite *pRewrite; /* Window rewrite context */ struct WhereConst *pConst; /* WHERE clause constants */ struct RenameCtx *pRename; /* RENAME COLUMN context */ + struct Table *pTab; /* Table of generated column */ + struct SrcList_item *pSrcItem; /* A single FROM clause item */ } u; }; @@ -18565,6 +19128,9 @@ SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker*, Select*); SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker*, Expr*); SQLITE_PRIVATE int sqlite3SelectWalkNoop(Walker*, Select*); SQLITE_PRIVATE int sqlite3SelectWalkFail(Walker*, Select*); +SQLITE_PRIVATE int sqlite3WalkerDepthIncrease(Walker*,Select*); +SQLITE_PRIVATE void sqlite3WalkerDepthDecrease(Walker*,Select*); + #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3SelectWalkAssert2(Walker*, Select*); #endif @@ -18666,7 +19232,7 @@ SQLITE_PRIVATE Window *sqlite3WindowAlloc(Parse*, int, int, Expr*, int , Expr*, SQLITE_PRIVATE void sqlite3WindowAttach(Parse*, Expr*, Window*); SQLITE_PRIVATE void sqlite3WindowLink(Select *pSel, Window *pWin); SQLITE_PRIVATE int sqlite3WindowCompare(Parse*, Window*, Window*, int); -SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse*, Window*); +SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse*, Select*); SQLITE_PRIVATE void sqlite3WindowCodeStep(Parse*, Select*, WhereInfo*, int, int); SQLITE_PRIVATE int sqlite3WindowRewrite(Parse*, Select*); SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse*, struct SrcList_item*); @@ -18709,13 +19275,16 @@ SQLITE_PRIVATE int sqlite3CantopenError(int); #ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NomemError(int); SQLITE_PRIVATE int sqlite3IoerrnomemError(int); -SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); # define SQLITE_NOMEM_BKPT sqlite3NomemError(__LINE__) # define SQLITE_IOERR_NOMEM_BKPT sqlite3IoerrnomemError(__LINE__) -# define SQLITE_CORRUPT_PGNO(P) sqlite3CorruptPgnoError(__LINE__,(P)) #else # define SQLITE_NOMEM_BKPT SQLITE_NOMEM # define SQLITE_IOERR_NOMEM_BKPT SQLITE_IOERR_NOMEM +#endif +#if defined(SQLITE_DEBUG) || defined(SQLITE_ENABLE_CORRUPT_PGNO) +SQLITE_PRIVATE int sqlite3CorruptPgnoError(int,Pgno); +# define SQLITE_CORRUPT_PGNO(P) sqlite3CorruptPgnoError(__LINE__,(P)) +#else # define SQLITE_CORRUPT_PGNO(P) sqlite3CorruptError(__LINE__) #endif @@ -18932,6 +19501,7 @@ SQLITE_PRIVATE void sqlite3PExprAddSelect(Parse*, Expr*, Select*); SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse*,Expr*, Expr*); SQLITE_PRIVATE Expr *sqlite3ExprSimplifiedAndOr(Expr*); SQLITE_PRIVATE Expr *sqlite3ExprFunction(Parse*,ExprList*, Token*, int); +SQLITE_PRIVATE void sqlite3ExprFunctionUsable(Parse*,Expr*,FuncDef*); SQLITE_PRIVATE void sqlite3ExprAssignVarNumber(Parse*, Expr*, u32); SQLITE_PRIVATE void sqlite3ExprDelete(sqlite3*, Expr*); SQLITE_PRIVATE void sqlite3ExprUnmapAndDelete(Parse*, Expr*); @@ -18958,9 +19528,16 @@ SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3*,Table*); SQLITE_PRIVATE int sqlite3ColumnsFromExprList(Parse*,ExprList*,i16*,Column**); SQLITE_PRIVATE void sqlite3SelectAddColumnTypeAndCollation(Parse*,Table*,Select*,char); SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse*,Select*,char); -SQLITE_PRIVATE void sqlite3OpenMasterTable(Parse *, int); +SQLITE_PRIVATE void sqlite3OpenSchemaTable(Parse *, int); SQLITE_PRIVATE Index *sqlite3PrimaryKeyIndex(Table*); -SQLITE_PRIVATE i16 sqlite3ColumnOfIndex(Index*, i16); +SQLITE_PRIVATE i16 sqlite3TableColumnToIndex(Index*, i16); +#ifdef SQLITE_OMIT_GENERATED_COLUMNS +# define sqlite3TableColumnToStorage(T,X) (X) /* No-op pass-through */ +# define sqlite3StorageColumnToTable(T,X) (X) /* No-op pass-through */ +#else +SQLITE_PRIVATE i16 sqlite3TableColumnToStorage(Table*, i16); +SQLITE_PRIVATE i16 sqlite3StorageColumnToTable(Table*, i16); +#endif SQLITE_PRIVATE void sqlite3StartTable(Parse*,Token*,Token*,int,int,int,int); #if SQLITE_ENABLE_HIDDEN_COLUMNS SQLITE_PRIVATE void sqlite3ColumnPropertiesFromName(Table*, Column*); @@ -18973,14 +19550,11 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int, int); SQLITE_PRIVATE void sqlite3AddCheckConstraint(Parse*, Expr*); SQLITE_PRIVATE void sqlite3AddDefaultValue(Parse*,Expr*,const char*,const char*); SQLITE_PRIVATE void sqlite3AddCollateType(Parse*, Token*); +SQLITE_PRIVATE void sqlite3AddGenerated(Parse*,Expr*,Token*); SQLITE_PRIVATE void sqlite3EndTable(Parse*,Token*,Token*,u8,Select*); SQLITE_PRIVATE int sqlite3ParseUri(const char*,const char*,unsigned int*, sqlite3_vfs**,char**,char **); -#ifdef SQLITE_HAS_CODEC -SQLITE_PRIVATE int sqlite3CodecQueryParameters(sqlite3*,const char*,const char*); -#else -# define sqlite3CodecQueryParameters(A,B,C) 0 -#endif +#define sqlite3CodecQueryParameters(A,B,C) 0 SQLITE_PRIVATE Btree *sqlite3DbNameToBtree(sqlite3*,const char*); #ifdef SQLITE_UNTESTABLE @@ -19030,10 +19604,14 @@ SQLITE_PRIVATE void sqlite3AutoincrementEnd(Parse *pParse); # define sqlite3AutoincrementEnd(X) #endif SQLITE_PRIVATE void sqlite3Insert(Parse*, SrcList*, Select*, IdList*, int, Upsert*); +#ifndef SQLITE_OMIT_GENERATED_COLUMNS +SQLITE_PRIVATE void sqlite3ComputeGeneratedColumns(Parse*, int, Table*); +#endif SQLITE_PRIVATE void *sqlite3ArrayAllocate(sqlite3*,void*,int,int*,int*); SQLITE_PRIVATE IdList *sqlite3IdListAppend(Parse*, IdList*, Token*); SQLITE_PRIVATE int sqlite3IdListIndex(IdList*,const char*); SQLITE_PRIVATE SrcList *sqlite3SrcListEnlarge(Parse*, SrcList*, int, int); +SQLITE_PRIVATE SrcList *sqlite3SrcListAppendList(Parse *pParse, SrcList *p1, SrcList *p2); SQLITE_PRIVATE SrcList *sqlite3SrcListAppend(Parse*, SrcList*, Token*, Token*); SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm(Parse*, SrcList*, Token*, Token*, Token*, Select*, Expr*, IdList*); @@ -19074,17 +19652,20 @@ SQLITE_PRIVATE int sqlite3WhereOkOnePass(WhereInfo*, int*); #define ONEPASS_OFF 0 /* Use of ONEPASS not allowed */ #define ONEPASS_SINGLE 1 /* ONEPASS valid for a single row update */ #define ONEPASS_MULTI 2 /* ONEPASS is valid for multiple rows */ +SQLITE_PRIVATE int sqlite3WhereUsesDeferredSeek(WhereInfo*); SQLITE_PRIVATE void sqlite3ExprCodeLoadIndexColumn(Parse*, Index*, int, int, int); SQLITE_PRIVATE int sqlite3ExprCodeGetColumn(Parse*, Table*, int, int, int, u8); SQLITE_PRIVATE void sqlite3ExprCodeGetColumnOfTable(Vdbe*, Table*, int, int, int); SQLITE_PRIVATE void sqlite3ExprCodeMove(Parse*, int, int, int); SQLITE_PRIVATE void sqlite3ExprCode(Parse*, Expr*, int); +#ifndef SQLITE_OMIT_GENERATED_COLUMNS +SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn(Parse*, Column*, int); +#endif SQLITE_PRIVATE void sqlite3ExprCodeCopy(Parse*, Expr*, int); SQLITE_PRIVATE void sqlite3ExprCodeFactorable(Parse*, Expr*, int); -SQLITE_PRIVATE int sqlite3ExprCodeAtInit(Parse*, Expr*, int); +SQLITE_PRIVATE int sqlite3ExprCodeRunJustOnce(Parse*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCodeTemp(Parse*, Expr*, int*); SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse*, Expr*, int); -SQLITE_PRIVATE void sqlite3ExprCodeAndCache(Parse*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCodeExprList(Parse*, ExprList*, int, int, u8); #define SQLITE_ECEL_DUP 0x01 /* Deep, not shallow copies */ #define SQLITE_ECEL_FACTOR 0x02 /* Factor out constant terms */ @@ -19109,6 +19690,7 @@ SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList*, ExprList*, int); SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse*,Expr*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr*,int); +SQLITE_PRIVATE void sqlite3AggInfoPersistWalkerInit(Walker*,Parse*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); SQLITE_PRIVATE void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); SQLITE_PRIVATE int sqlite3ExprCoveredByIndex(Expr*, int iCur, Index *pIdx); @@ -19126,6 +19708,7 @@ SQLITE_PRIVATE void sqlite3EndTransaction(Parse*,int); SQLITE_PRIVATE void sqlite3Savepoint(Parse*, int, Token*); SQLITE_PRIVATE void sqlite3CloseSavepoints(sqlite3 *); SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3*); +SQLITE_PRIVATE u32 sqlite3IsTrueOrFalse(const char*); SQLITE_PRIVATE int sqlite3ExprIdToTrueFalse(Expr*); SQLITE_PRIVATE int sqlite3ExprTruthValue(const Expr*); SQLITE_PRIVATE int sqlite3ExprIsConstant(Expr*); @@ -19198,13 +19781,14 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerSelectStep(sqlite3*,Select*, SQLITE_PRIVATE TriggerStep *sqlite3TriggerInsertStep(Parse*,Token*, IdList*, Select*,u8,Upsert*, const char*,const char*); -SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep(Parse*,Token*,ExprList*, Expr*, u8, - const char*,const char*); +SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep(Parse*,Token*,SrcList*,ExprList*, + Expr*, u8, const char*,const char*); SQLITE_PRIVATE TriggerStep *sqlite3TriggerDeleteStep(Parse*,Token*, Expr*, const char*,const char*); SQLITE_PRIVATE void sqlite3DeleteTrigger(sqlite3*, Trigger*); SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTrigger(sqlite3*,int,const char*); SQLITE_PRIVATE u32 sqlite3TriggerColmask(Parse*,Trigger*,ExprList*,int,int,Table*,int); +SQLITE_PRIVATE SrcList *sqlite3TriggerStepSrc(Parse*, TriggerStep*); # define sqlite3ParseToplevel(p) ((p)->pToplevel ? (p)->pToplevel : (p)) # define sqlite3IsToplevel(p) ((p)->pToplevel==0) #else @@ -19218,9 +19802,11 @@ SQLITE_PRIVATE u32 sqlite3TriggerColmask(Parse*,Trigger*,ExprList*,int,int,Tab # define sqlite3ParseToplevel(p) p # define sqlite3IsToplevel(p) 1 # define sqlite3TriggerColmask(A,B,C,D,E,F,G) 0 +# define sqlite3TriggerStepSrc(A,B) 0 #endif SQLITE_PRIVATE int sqlite3JoinType(Parse*, Token*, Token*, Token*); +SQLITE_PRIVATE void sqlite3SetJoinExpr(Expr*,int); SQLITE_PRIVATE void sqlite3CreateForeignKey(Parse*, ExprList*, Token*, ExprList*, int); SQLITE_PRIVATE void sqlite3DeferForeignKey(Parse*, int); #ifndef SQLITE_OMIT_AUTHORIZATION @@ -19235,6 +19821,7 @@ SQLITE_PRIVATE int sqlite3AuthReadCol(Parse*, const char *, const char *, int) # define sqlite3AuthContextPush(a,b,c) # define sqlite3AuthContextPop(a) ((void)(a)) #endif +SQLITE_PRIVATE int sqlite3DbIsNamed(sqlite3 *db, int iDb, const char *zName); SQLITE_PRIVATE void sqlite3Attach(Parse*, Expr*, Expr*, Expr*); SQLITE_PRIVATE void sqlite3Detach(Parse*, Expr*); SQLITE_PRIVATE void sqlite3FixInit(DbFixer*, Parse*, int, const char*, const Token*); @@ -19244,8 +19831,10 @@ SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*); SQLITE_PRIVATE int sqlite3FixTriggerStep(DbFixer*, TriggerStep*); SQLITE_PRIVATE int sqlite3RealSameAsInt(double,sqlite3_int64); +SQLITE_PRIVATE void sqlite3Int64ToText(i64,char*); SQLITE_PRIVATE int sqlite3AtoF(const char *z, double*, int, u8); SQLITE_PRIVATE int sqlite3GetInt32(const char *, int*); +SQLITE_PRIVATE int sqlite3GetUInt32(const char*, u32*); SQLITE_PRIVATE int sqlite3Atoi(const char*); #ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE int sqlite3Utf16ByteLen(const void *pData, int nChar); @@ -19283,6 +19872,8 @@ SQLITE_PRIVATE int sqlite3VarintLen(u64 v); */ #define getVarint32(A,B) \ (u8)((*(A)<(u8)0x80)?((B)=(u32)*(A)),1:sqlite3GetVarint32((A),(u32 *)&(B))) +#define getVarint32NR(A,B) \ + B=(u32)*(A);if(B>=0x80)sqlite3GetVarint32((A),(u32*)&(B)) #define putVarint32(A,B) \ (u8)(((u32)(B)<(u32)0x80)?(*(A)=(unsigned char)(B)),1:\ sqlite3PutVarint((A),(B))) @@ -19292,10 +19883,10 @@ SQLITE_PRIVATE int sqlite3VarintLen(u64 v); SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3*, Index*); SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe*, Table*, int); -SQLITE_PRIVATE char sqlite3CompareAffinity(Expr *pExpr, char aff2); -SQLITE_PRIVATE int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity); +SQLITE_PRIVATE char sqlite3CompareAffinity(const Expr *pExpr, char aff2); +SQLITE_PRIVATE int sqlite3IndexAffinityOk(const Expr *pExpr, char idx_affinity); SQLITE_PRIVATE char sqlite3TableColumnAffinity(Table*,int); -SQLITE_PRIVATE char sqlite3ExprAffinity(Expr *pExpr); +SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr); SQLITE_PRIVATE int sqlite3Atoi64(const char*, i64*, int, u8); SQLITE_PRIVATE int sqlite3DecOrHexToI64(const char*, i64*); SQLITE_PRIVATE void sqlite3ErrorWithMsg(sqlite3*, int, const char*,...); @@ -19318,9 +19909,10 @@ SQLITE_PRIVATE int sqlite3ReadSchema(Parse *pParse); SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq(sqlite3*,u8 enc, const char*,int); SQLITE_PRIVATE int sqlite3IsBinary(const CollSeq*); SQLITE_PRIVATE CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName); -SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr); -SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, Expr *pExpr); -SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse*,Expr*,Expr*); +SQLITE_PRIVATE void sqlite3SetTextEncoding(sqlite3 *db, u8); +SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr); +SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, const Expr *pExpr); +SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse*,const Expr*,const Expr*); SQLITE_PRIVATE Expr *sqlite3ExprAddCollateToken(Parse *pParse, Expr*, const Token*, int); SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(Parse*,Expr*,const char*); SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr*); @@ -19362,14 +19954,15 @@ SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[]; SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[]; SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config; SQLITE_PRIVATE FuncDefHash sqlite3BuiltinFunctions; +SQLITE_API extern u32 sqlite3_unsupported_selecttrace; #ifndef SQLITE_OMIT_WSD SQLITE_PRIVATE int sqlite3PendingByte; #endif -#endif +#endif /* SQLITE_AMALGAMATION */ #ifdef VDBE_PROFILE SQLITE_PRIVATE sqlite3_uint64 sqlite3NProfileCnt; #endif -SQLITE_PRIVATE void sqlite3RootPageMoved(sqlite3*, int, int, int); +SQLITE_PRIVATE void sqlite3RootPageMoved(sqlite3*, int, Pgno, Pgno); SQLITE_PRIVATE void sqlite3Reindex(Parse*, Token*, Token*); SQLITE_PRIVATE void sqlite3AlterFunctions(void); SQLITE_PRIVATE void sqlite3AlterRenameTable(Parse*, SrcList*, Token*); @@ -19381,7 +19974,14 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN(Parse*, Expr*, int); SQLITE_PRIVATE int sqlite3CodeSubselect(Parse*, Expr*); SQLITE_PRIVATE void sqlite3SelectPrep(Parse*, Select*, NameContext*); SQLITE_PRIVATE void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p); -SQLITE_PRIVATE int sqlite3MatchSpanName(const char*, const char*, const char*, const char*); +SQLITE_PRIVATE int sqlite3MatchEName( + const struct ExprList_item*, + const char*, + const char*, + const char* +); +SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr*); +SQLITE_PRIVATE u8 sqlite3StrIHash(const char*); SQLITE_PRIVATE int sqlite3ResolveExprNames(NameContext*, Expr*); SQLITE_PRIVATE int sqlite3ResolveExprListNames(NameContext*, ExprList*); SQLITE_PRIVATE void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*); @@ -19397,7 +19997,7 @@ SQLITE_PRIVATE void sqlite3RenameExprlistUnmap(Parse*, ExprList*); SQLITE_PRIVATE CollSeq *sqlite3GetCollSeq(Parse*, u8, CollSeq *, const char*); SQLITE_PRIVATE char sqlite3AffinityType(const char*, Column*); SQLITE_PRIVATE void sqlite3Analyze(Parse*, Token*, Token*); -SQLITE_PRIVATE int sqlite3InvokeBusyHandler(BusyHandler*, sqlite3_file*); +SQLITE_PRIVATE int sqlite3InvokeBusyHandler(BusyHandler*); SQLITE_PRIVATE int sqlite3FindDb(sqlite3*, Token*); SQLITE_PRIVATE int sqlite3FindDbName(sqlite3 *, const char *); SQLITE_PRIVATE int sqlite3AnalysisLoad(sqlite3*,int iDB); @@ -19420,10 +20020,10 @@ SQLITE_PRIVATE int sqlite3KeyInfoIsWriteable(KeyInfo*); #endif SQLITE_PRIVATE int sqlite3CreateFunc(sqlite3 *, const char *, int, int, void *, void (*)(sqlite3_context*,int,sqlite3_value **), - void (*)(sqlite3_context*,int,sqlite3_value **), + void (*)(sqlite3_context*,int,sqlite3_value **), void (*)(sqlite3_context*), void (*)(sqlite3_context*), - void (*)(sqlite3_context*,int,sqlite3_value **), + void (*)(sqlite3_context*,int,sqlite3_value **), FuncDestructor *pDestructor ); SQLITE_PRIVATE void sqlite3NoopDestructor(void*); @@ -19476,7 +20076,7 @@ SQLITE_PRIVATE void sqlite3CloseExtensions(sqlite3*); #endif #ifndef SQLITE_OMIT_SHARED_CACHE -SQLITE_PRIVATE void sqlite3TableLock(Parse *, int, int, u8, const char *); +SQLITE_PRIVATE void sqlite3TableLock(Parse *, int, Pgno, u8, const char *); #else #define sqlite3TableLock(v,w,x,y,z) #endif @@ -19519,6 +20119,14 @@ SQLITE_PRIVATE Module *sqlite3VtabCreateModule( ); # define sqlite3VtabInSync(db) ((db)->nVTrans>0 && (db)->aVTrans==0) #endif +SQLITE_PRIVATE int sqlite3ReadOnlyShadowTables(sqlite3 *db); +#ifndef SQLITE_OMIT_VIRTUALTABLE +SQLITE_PRIVATE int sqlite3ShadowTableName(sqlite3 *db, const char *zName); +SQLITE_PRIVATE int sqlite3IsShadowTableOf(sqlite3*,Table*,const char*); +#else +# define sqlite3ShadowTableName(A,B) 0 +# define sqlite3IsShadowTableOf(A,B,C) 0 +#endif SQLITE_PRIVATE int sqlite3VtabEponymousTableInit(Parse*,Module*); SQLITE_PRIVATE void sqlite3VtabEponymousTableClear(sqlite3*,Module*); SQLITE_PRIVATE void sqlite3VtabMakeWritable(Parse*,Table*); @@ -19540,7 +20148,8 @@ SQLITE_PRIVATE char *sqlite3Normalize(Vdbe*, const char*); #endif SQLITE_PRIVATE int sqlite3Reprepare(Vdbe*); SQLITE_PRIVATE void sqlite3ExprListCheckLength(Parse*, ExprList*, const char*); -SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq(Parse *, Expr *, Expr *); +SQLITE_PRIVATE CollSeq *sqlite3ExprCompareCollSeq(Parse*,const Expr*); +SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq(Parse *, const Expr*, const Expr*); SQLITE_PRIVATE int sqlite3TempInMemory(const sqlite3*); SQLITE_PRIVATE const char *sqlite3JournalModename(int); #ifndef SQLITE_OMIT_WAL @@ -19774,7 +20383,7 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt); /* #include "sqliteInt.h" */ /* An array to map all upper-case characters into their corresponding -** lower-case character. +** lower-case character. ** ** SQLite only considers US-ASCII (or EBCDIC) characters. We do not ** handle case conversions for the UTF character set since the tables @@ -19841,12 +20450,11 @@ SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[] = { ** The equivalent of tolower() is implemented using the sqlite3UpperToLower[] ** array. tolower() is used more often than toupper() by SQLite. ** -** Bit 0x40 is set if the character is non-alphanumeric and can be used in an +** Bit 0x40 is set if the character is non-alphanumeric and can be used in an ** SQLite identifier. Identifiers are alphanumerics, "_", "$", and any ** non-ASCII UTF character. Hence the test for whether or not a character is ** part of an identifier is 0x46. */ -#ifdef SQLITE_ASCII SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[256] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00..07 ........ */ 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, /* 08..0f ........ */ @@ -19884,7 +20492,6 @@ SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[256] = { 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, /* f0..f7 ........ */ 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40 /* f8..ff ........ */ }; -#endif /* EVIDENCE-OF: R-02982-34736 In order to maintain full backwards ** compatibility for legacy applications, the URI filename capability is @@ -19896,16 +20503,9 @@ SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[256] = { ** EVIDENCE-OF: R-43642-56306 By default, URI handling is globally ** disabled. The default value may be changed by compiling with the ** SQLITE_USE_URI symbol defined. -** -** URI filenames are enabled by default if SQLITE_HAS_CODEC is -** enabled. */ #ifndef SQLITE_USE_URI -# ifdef SQLITE_HAS_CODEC -# define SQLITE_USE_URI 1 -# else -# define SQLITE_USE_URI 0 -# endif +# define SQLITE_USE_URI 0 #endif /* EVIDENCE-OF: R-38720-18127 The default setting is determined by the @@ -19915,7 +20515,7 @@ SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[256] = { #if !defined(SQLITE_ALLOW_COVERING_INDEX_SCAN) # define SQLITE_ALLOW_COVERING_INDEX_SCAN 1 #else -# if !SQLITE_ALLOW_COVERING_INDEX_SCAN +# if !SQLITE_ALLOW_COVERING_INDEX_SCAN # error "Compile-time disabling of covering index scan using the\ -DSQLITE_ALLOW_COVERING_INDEX_SCAN=0 option is deprecated.\ Contact SQLite developers if this is a problem for you, and\ @@ -19938,7 +20538,7 @@ SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[256] = { ** if journal_mode=MEMORY or if temp_store=MEMORY, regardless of this ** setting.) */ -#ifndef SQLITE_STMTJRNL_SPILL +#ifndef SQLITE_STMTJRNL_SPILL # define SQLITE_STMTJRNL_SPILL (64*1024) #endif @@ -19949,9 +20549,18 @@ SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[256] = { ** changed as start-time using sqlite3_config(SQLITE_CONFIG_LOOKASIDE) ** or at run-time for an individual database connection using ** sqlite3_db_config(db, SQLITE_DBCONFIG_LOOKASIDE); +** +** With the two-size-lookaside enhancement, less lookaside is required. +** The default configuration of 1200,40 actually provides 30 1200-byte slots +** and 93 128-byte slots, which is more lookaside than is available +** using the older 1200,100 configuration without two-size-lookaside. */ #ifndef SQLITE_DEFAULT_LOOKASIDE -# define SQLITE_DEFAULT_LOOKASIDE 1200,100 +# ifdef SQLITE_OMIT_TWOSIZE_LOOKASIDE +# define SQLITE_DEFAULT_LOOKASIDE 1200,100 /* 120KB of memory */ +# else +# define SQLITE_DEFAULT_LOOKASIDE 1200,40 /* 48KB of memory */ +# endif #endif @@ -20017,7 +20626,6 @@ SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = { 0, /* xTestCallback */ #endif 0, /* bLocaltimeFault */ - 0, /* bInternalFunctions */ 0x7ffffffe, /* iOnceResetThreshold */ SQLITE_DEFAULT_SORTERREF_SIZE, /* szSorterRef */ 0, /* iPrngSeed */ @@ -20060,12 +20668,17 @@ SQLITE_PRIVATE sqlite3_uint64 sqlite3NProfileCnt = 0; SQLITE_PRIVATE int sqlite3PendingByte = 0x40000000; #endif +/* +** Flags for select tracing and the ".selecttrace" macro of the CLI +*/ +SQLITE_API u32 sqlite3_unsupported_selecttrace = 0; + /* #include "opcodes.h" */ /* ** Properties of opcodes. The OPFLG_INITIALIZER macro is ** created by mkopcodeh.awk during compilation. Data is obtained ** from the comments following the "case OP_xxxx:" statements in -** the vdbe.c file. +** the vdbe.c file. */ SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[] = OPFLG_INITIALIZER; @@ -20127,7 +20740,8 @@ SQLITE_PRIVATE const char sqlite3StrBINARY[] = "BINARY"; ** "explain" P4 display logic is enabled. */ #if !defined(SQLITE_OMIT_EXPLAIN) || !defined(NDEBUG) \ - || defined(VDBE_PROFILE) || defined(SQLITE_DEBUG) + || defined(VDBE_PROFILE) || defined(SQLITE_DEBUG) \ + || defined(SQLITE_ENABLE_BYTECODE_VTAB) # define VDBE_DISPLAY_P4 1 #else # define VDBE_DISPLAY_P4 0 @@ -20184,7 +20798,7 @@ struct VdbeCursor { Bool seekHit:1; /* See the OP_SeekHit and OP_IfNoHope opcodes */ Btree *pBtx; /* Separate file holding temporary table */ i64 seqCount; /* Sequence counter */ - int *aAltMap; /* Mapping from table to index column numbers */ + u32 *aAltMap; /* Mapping from table to index column numbers */ /* Cached OP_Column parse information is only valid if cacheStatus matches ** Vdbe.cacheCtr. Vdbe.cacheCtr will never take on the value of @@ -20236,7 +20850,7 @@ struct VdbeCursor { ** When a sub-program is executed (OP_Program), a structure of this type ** is allocated to store the current value of the program counter, as ** well as the current memory cell array and various other frame specific -** values stored in the Vdbe struct. When the sub-program is finished, +** values stored in the Vdbe struct. When the sub-program is finished, ** these values are copied back to the Vdbe from the VdbeFrame structure, ** restoring the state of the VM to as it was before the sub-program ** began executing. @@ -20333,7 +20947,7 @@ struct sqlite3_value { ** If the MEM_Str flag is set then Mem.z points at a string representation. ** Usually this is encoded in the same unicode encoding as the main ** database (see below for exceptions). If the MEM_Term flag is also -** set, then the string is nul terminated. The MEM_Int and MEM_Real +** set, then the string is nul terminated. The MEM_Int and MEM_Real ** flags may coexist with the MEM_Str flag. */ #define MEM_Null 0x0001 /* Value is NULL (or a pointer) */ @@ -20382,7 +20996,8 @@ struct sqlite3_value { ** True if Mem X is a NULL-nochng type. */ #define MemNullNochng(X) \ - ((X)->flags==(MEM_Null|MEM_Zero) && (X)->n==0 && (X)->u.nZero==0) + (((X)->flags&MEM_TypeMask)==(MEM_Null|MEM_Zero) \ + && (X)->n==0 && (X)->u.nZero==0) /* ** Return true if a memory cell is not marked as invalid. This macro @@ -20393,7 +21008,7 @@ struct sqlite3_value { #endif /* -** Each auxiliary data pointer stored by a user defined function +** Each auxiliary data pointer stored by a user defined function ** implementation calling sqlite3_set_auxdata() is stored in an instance ** of this structure. All such structures associated with a single VM ** are stored in a linked list headed at Vdbe.pAuxData. All are destroyed @@ -20513,9 +21128,9 @@ struct Vdbe { u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ + u8 doingRerun; /* True if rerunning after an auto-reprepare */ bft expired:2; /* 1: recompile VM immediately 2: when convenient */ bft explain:2; /* True if EXPLAIN present on SQL command */ - bft doingRerun:1; /* True if rerunning after an auto-reprepare */ bft changeCntOn:1; /* True to update the change-counter */ bft runOnlyOnce:1; /* Automatically expire on reset */ bft usesStmtJournal:1; /* True if uses a statement journal */ @@ -20553,7 +21168,7 @@ struct Vdbe { #define VDBE_MAGIC_DEAD 0x5606c3c8 /* The VDBE has been deallocated */ /* -** Structure used to store the context required by the +** Structure used to store the context required by the ** sqlite3_preupdate_*() API functions. */ struct PreUpdate { @@ -20568,7 +21183,7 @@ struct PreUpdate { i64 iKey1; /* First key value passed to hook */ i64 iKey2; /* Second key value passed to hook */ Mem *aNew; /* Array of new.* values */ - Table *pTab; /* Schema object being upated */ + Table *pTab; /* Schema object being upated */ Index *pPk; /* PK index if pTab is WITHOUT ROWID */ }; @@ -20578,7 +21193,8 @@ struct PreUpdate { SQLITE_PRIVATE void sqlite3VdbeError(Vdbe*, const char *, ...); SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*); void sqliteVdbePopStack(Vdbe*,int); -SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor**, int*); +SQLITE_PRIVATE int SQLITE_NOINLINE sqlite3VdbeFinishMoveto(VdbeCursor*); +SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor**, u32*); SQLITE_PRIVATE int sqlite3VdbeCursorRestore(VdbeCursor*); SQLITE_PRIVATE u32 sqlite3VdbeSerialTypeLen(u32); SQLITE_PRIVATE u8 sqlite3VdbeOneByteSerialTypeLen(u8); @@ -20590,7 +21206,14 @@ int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *); SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare(sqlite3*,VdbeCursor*,UnpackedRecord*,int*); SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3*, BtCursor*, i64*); SQLITE_PRIVATE int sqlite3VdbeExec(Vdbe*); -#ifndef SQLITE_OMIT_EXPLAIN +#if !defined(SQLITE_OMIT_EXPLAIN) || defined(SQLITE_ENABLE_BYTECODE_VTAB) +SQLITE_PRIVATE int sqlite3VdbeNextOpcode(Vdbe*,Mem*,int,int*,int*,Op**); +SQLITE_PRIVATE char *sqlite3VdbeDisplayP4(sqlite3*,Op*); +#endif +#if defined(SQLITE_ENABLE_EXPLAIN_COMMENTS) +SQLITE_PRIVATE char *sqlite3VdbeDisplayComment(sqlite3*,const Op*,const char*); +#endif +#if !defined(SQLITE_OMIT_EXPLAIN) SQLITE_PRIVATE int sqlite3VdbeList(Vdbe*); #endif SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe*); @@ -20624,14 +21247,15 @@ SQLITE_PRIVATE int sqlite3VdbeBooleanValue(Mem*, int ifNull); SQLITE_PRIVATE void sqlite3VdbeIntegerAffinity(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemRealify(Mem*); SQLITE_PRIVATE int sqlite3VdbeMemNumerify(Mem*); -SQLITE_PRIVATE void sqlite3VdbeMemCast(Mem*,u8,u8); +SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem*,u8,u8); SQLITE_PRIVATE int sqlite3VdbeMemFromBtree(BtCursor*,u32,u32,Mem*); +SQLITE_PRIVATE int sqlite3VdbeMemFromBtreeZeroOffset(BtCursor*,u32,Mem*); SQLITE_PRIVATE void sqlite3VdbeMemRelease(Mem *p); SQLITE_PRIVATE int sqlite3VdbeMemFinalize(Mem*, FuncDef*); #ifndef SQLITE_OMIT_WINDOWFUNC SQLITE_PRIVATE int sqlite3VdbeMemAggValue(Mem*, Mem*, FuncDef*); #endif -#ifndef SQLITE_OMIT_EXPLAIN +#if !defined(SQLITE_OMIT_EXPLAIN) || defined(SQLITE_ENABLE_BYTECODE_VTAB) SQLITE_PRIVATE const char *sqlite3OpcodeName(int); #endif SQLITE_PRIVATE int sqlite3VdbeMemGrow(Mem *pMem, int n, int preserve); @@ -20665,7 +21289,7 @@ SQLITE_PRIVATE void sqlite3VdbeAssertAbortable(Vdbe*); # define sqlite3VdbeAssertAbortable(V) #endif -#if !defined(SQLITE_OMIT_SHARED_CACHE) +#if !defined(SQLITE_OMIT_SHARED_CACHE) SQLITE_PRIVATE void sqlite3VdbeEnter(Vdbe*); #else # define sqlite3VdbeEnter(X) @@ -20690,7 +21314,7 @@ SQLITE_PRIVATE int sqlite3VdbeCheckFk(Vdbe *, int); #ifdef SQLITE_DEBUG SQLITE_PRIVATE void sqlite3VdbePrintSql(Vdbe*); -SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf); +SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, StrAccum *pStr); #endif #ifndef SQLITE_OMIT_UTF16 SQLITE_PRIVATE int sqlite3VdbeMemTranslate(Mem*, u8); @@ -20882,6 +21506,10 @@ static u32 countLookasideSlots(LookasideSlot *p){ SQLITE_PRIVATE int sqlite3LookasideUsed(sqlite3 *db, int *pHighwater){ u32 nInit = countLookasideSlots(db->lookaside.pInit); u32 nFree = countLookasideSlots(db->lookaside.pFree); +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + nInit += countLookasideSlots(db->lookaside.pSmallInit); + nFree += countLookasideSlots(db->lookaside.pSmallFree); +#endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ if( pHighwater ) *pHighwater = db->lookaside.nSlot - nInit; return db->lookaside.nSlot - (nInit+nFree); } @@ -20914,6 +21542,15 @@ SQLITE_API int sqlite3_db_status( db->lookaside.pInit = db->lookaside.pFree; db->lookaside.pFree = 0; } +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + p = db->lookaside.pSmallFree; + if( p ){ + while( p->pNext ) p = p->pNext; + p->pNext = db->lookaside.pSmallInit; + db->lookaside.pSmallInit = db->lookaside.pSmallFree; + db->lookaside.pSmallFree = 0; + } +#endif } break; } @@ -20934,7 +21571,7 @@ SQLITE_API int sqlite3_db_status( break; } - /* + /* ** Return an approximation for the amount of memory currently used ** by all pagers associated with the given database connection. The ** highwater mark is meaningless and is returned as zero. @@ -20978,7 +21615,7 @@ SQLITE_API int sqlite3_db_status( HashElem *p; nByte += sqlite3GlobalConfig.m.xRoundup(sizeof(HashElem)) * ( - pSchema->tblHash.count + pSchema->tblHash.count + pSchema->trigHash.count + pSchema->idxHash.count + pSchema->fkeyHash.count @@ -21028,12 +21665,12 @@ SQLITE_API int sqlite3_db_status( /* ** Set *pCurrent to the total cache hits or misses encountered by all - ** pagers the database handle is connected to. *pHighwater is always set + ** pagers the database handle is connected to. *pHighwater is always set ** to zero. */ case SQLITE_DBSTATUS_CACHE_SPILL: op = SQLITE_DBSTATUS_CACHE_WRITE+1; - /* Fall through into the next case */ + /* no break */ deliberate_fall_through case SQLITE_DBSTATUS_CACHE_HIT: case SQLITE_DBSTATUS_CACHE_MISS: case SQLITE_DBSTATUS_CACHE_WRITE:{ @@ -21087,7 +21724,7 @@ SQLITE_API int sqlite3_db_status( ** ************************************************************************* ** This file contains the C functions that implement date and time -** functions for SQLite. +** functions for SQLite. ** ** There is only one exported symbol in this file - the function ** sqlite3RegisterDateTimeFunctions() found at the bottom of the file. @@ -21096,7 +21733,7 @@ SQLITE_API int sqlite3_db_status( ** SQLite processes all times and dates as julian day numbers. The ** dates and times are stored as the number of days since noon ** in Greenwich on November 24, 4714 B.C. according to the Gregorian -** calendar system. +** calendar system. ** ** 1970-01-01 00:00:00 is JD 2440587.5 ** 2000-01-01 00:00:00 is JD 2451544.5 @@ -21444,7 +22081,7 @@ static void setRawDateNumber(DateTime *p, double r){ ** The following are acceptable forms for the input string: ** ** YYYY-MM-DD HH:MM:SS.FFF +/-HH:MM -** DDDD.DD +** DDDD.DD ** now ** ** In the first form, the +/-HH:MM is always optional. The fractional @@ -21454,8 +22091,8 @@ static void setRawDateNumber(DateTime *p, double r){ ** as there is a year and date. */ static int parseDateOrTime( - sqlite3_context *context, - const char *zDate, + sqlite3_context *context, + const char *zDate, DateTime *p ){ double r; @@ -21476,7 +22113,7 @@ static int parseDateOrTime( ** Multiplying this by 86400000 gives 464269060799999 as the maximum value ** for DateTime.iJD. ** -** But some older compilers (ex: gcc 4.2.1 on older Macs) cannot deal with +** But some older compilers (ex: gcc 4.2.1 on older Macs) cannot deal with ** such a large integer literal, so we have to encode it. */ #define INT_464269060799999 ((((i64)0x1a640)<<32)|0x1072fdff) @@ -21558,14 +22195,14 @@ static void clearYMD_HMS_TZ(DateTime *p){ #ifndef SQLITE_OMIT_LOCALTIME /* ** On recent Windows platforms, the localtime_s() function is available -** as part of the "Secure CRT". It is essentially equivalent to -** localtime_r() available under most POSIX platforms, except that the +** as part of the "Secure CRT". It is essentially equivalent to +** localtime_r() available under most POSIX platforms, except that the ** order of the parameters is reversed. ** ** See http://msdn.microsoft.com/en-us/library/a442x3ye(VS.80).aspx. ** ** If the user has not indicated to use localtime_r() or localtime_s() -** already, check for an MSVC build environment that provides +** already, check for an MSVC build environment that provides ** localtime_s(). */ #if !HAVE_LOCALTIME_R && !HAVE_LOCALTIME_S \ @@ -21592,7 +22229,7 @@ static int osLocaltime(time_t *t, struct tm *pTm){ #if !HAVE_LOCALTIME_R && !HAVE_LOCALTIME_S struct tm *pX; #if SQLITE_THREADSAFE>0 - sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); + sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); #endif sqlite3_mutex_enter(mutex); pX = localtime(t); @@ -21621,7 +22258,7 @@ static int osLocaltime(time_t *t, struct tm *pTm){ /* ** Compute the difference (in milliseconds) between localtime and UTC ** (a.k.a. GMT) for the time value p where p is in UTC. If no error occurs, -** return this value and set *pRc to SQLITE_OK. +** return this value and set *pRc to SQLITE_OK. ** ** Or, if an error does occur, set *pRc to SQLITE_ERROR. The returned value ** is undefined in this case. @@ -21698,12 +22335,12 @@ static const struct { double rLimit; /* Maximum NNN value for this transform */ double rXform; /* Constant used for this transform */ } aXformType[] = { - { 0, 6, "second", 464269060800.0, 86400000.0/(24.0*60.0*60.0) }, - { 0, 6, "minute", 7737817680.0, 86400000.0/(24.0*60.0) }, - { 0, 4, "hour", 128963628.0, 86400000.0/24.0 }, - { 0, 3, "day", 5373485.0, 86400000.0 }, - { 1, 5, "month", 176546.0, 30.0*86400000.0 }, - { 2, 4, "year", 14713.0, 365.0*86400000.0 }, + { 0, 6, "second", 464269060800.0, 1000.0 }, + { 0, 6, "minute", 7737817680.0, 60000.0 }, + { 0, 4, "hour", 128963628.0, 3600000.0 }, + { 0, 3, "day", 5373485.0, 86400000.0 }, + { 1, 5, "month", 176546.0, 2592000000.0 }, + { 2, 4, "year", 14713.0, 31536000000.0 }, }; /* @@ -21765,7 +22402,7 @@ static int parseModifier( r = p->s*1000.0 + 210866760000000.0; if( r>=0.0 && r<464269060800000.0 ){ clearYMD_HMS_TZ(p); - p->iJD = (sqlite3_int64)r; + p->iJD = (sqlite3_int64)(r + 0.5); p->validJD = 1; p->rawS = 0; rc = 0; @@ -21948,9 +22585,9 @@ static int parseModifier( ** then assume a default value of "now" for argv[0]. */ static int isDate( - sqlite3_context *context, - int argc, - sqlite3_value **argv, + sqlite3_context *context, + int argc, + sqlite3_value **argv, DateTime *p ){ int i, n; @@ -22189,8 +22826,8 @@ static void strftimeFunc( case 'm': sqlite3_snprintf(3, &z[j],"%02d",x.M); j+=2; break; case 'M': sqlite3_snprintf(3, &z[j],"%02d",x.m); j+=2; break; case 's': { - sqlite3_snprintf(30,&z[j],"%lld", - (i64)(x.iJD/1000 - 21086676*(i64)10000)); + i64 iS = (i64)(x.iJD/1000 - 21086676*(i64)10000); + sqlite3Int64ToText(iS, &z[j]); j += sqlite3Strlen30(&z[j]); break; } @@ -22288,10 +22925,10 @@ static void currentTimeFunc( #if HAVE_GMTIME_R pTm = gmtime_r(&t, &sNow); #else - sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); + sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN)); pTm = gmtime(&t); if( pTm ) memcpy(&sNow, pTm, sizeof(sNow)); - sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN)); #endif if( pTm ){ strftime(zBuf, 20, zFormat, &sNow); @@ -22544,7 +23181,7 @@ SQLITE_PRIVATE int sqlite3OsOpen( ** down into the VFS layer. Some SQLITE_OPEN_ flags (for example, ** SQLITE_OPEN_FULLMUTEX or SQLITE_OPEN_SHAREDCACHE) are blocked before ** reaching the VFS. */ - rc = pVfs->xOpen(pVfs, zPath, pFile, flags & 0x87f7f, pFlagsOut); + rc = pVfs->xOpen(pVfs, zPath, pFile, flags & 0x1087f7f, pFlagsOut); assert( rc==SQLITE_OK || pFile->pMethods==0 ); return rc; } @@ -22595,7 +23232,7 @@ SQLITE_PRIVATE int sqlite3OsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufO }else{ return pVfs->xRandomness(pVfs, nByte, zBufOut); } - + } SQLITE_PRIVATE int sqlite3OsSleep(sqlite3_vfs *pVfs, int nMicro){ return pVfs->xSleep(pVfs, nMicro); @@ -22682,7 +23319,7 @@ SQLITE_API sqlite3_vfs *sqlite3_vfs_find(const char *zVfs){ if( rc ) return 0; #endif #if SQLITE_THREADSAFE - mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); + mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); #endif sqlite3_mutex_enter(mutex); for(pVfs = vfsList; pVfs; pVfs=pVfs->pNext){ @@ -22697,7 +23334,7 @@ SQLITE_API sqlite3_vfs *sqlite3_vfs_find(const char *zVfs){ ** Unlink a VFS from the linked list */ static void vfsUnlink(sqlite3_vfs *pVfs){ - assert( sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)) ); + assert( sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN)) ); if( pVfs==0 ){ /* No-op */ }else if( vfsList==pVfs ){ @@ -22728,7 +23365,7 @@ SQLITE_API int sqlite3_vfs_register(sqlite3_vfs *pVfs, int makeDflt){ if( pVfs==0 ) return SQLITE_MISUSE_BKPT; #endif - MUTEX_LOGIC( mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); ) + MUTEX_LOGIC( mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) sqlite3_mutex_enter(mutex); vfsUnlink(pVfs); if( makeDflt || vfsList==0 ){ @@ -22752,7 +23389,7 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs *pVfs){ int rc = sqlite3_initialize(); if( rc ) return rc; #endif - MUTEX_LOGIC( mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); ) + MUTEX_LOGIC( mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) sqlite3_mutex_enter(mutex); vfsUnlink(pVfs); sqlite3_mutex_leave(mutex); @@ -22773,17 +23410,17 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs *pVfs){ ** ************************************************************************* ** -** This file contains code to support the concept of "benign" +** This file contains code to support the concept of "benign" ** malloc failures (when the xMalloc() or xRealloc() method of the ** sqlite3_mem_methods structure fails to allocate a block of memory -** and returns 0). +** and returns 0). ** ** Most malloc failures are non-benign. After they occur, SQLite ** abandons the current operation and returns an error code (usually ** SQLITE_NOMEM) to the user. However, sometimes a fault is not necessarily -** fatal. For example, if a malloc fails while resizing a hash table, this -** is completely recoverable simply by not carrying out the resize. The -** hash table will continue to function normally. So a malloc failure +** fatal. For example, if a malloc fails while resizing a hash table, this +** is completely recoverable simply by not carrying out the resize. The +** hash table will continue to function normally. So a malloc failure ** during a hash table resize is a benign fault. */ @@ -22985,7 +23622,7 @@ static malloc_zone_t* _sqliteZone_; #else /* if not __APPLE__ */ /* -** Use standard C library malloc and free on non-Apple systems. +** Use standard C library malloc and free on non-Apple systems. ** Also used by Apple systems if SQLITE_WITHOUT_ZONEMALLOC is defined. */ #define SQLITE_MALLOC(x) malloc(x) @@ -23165,7 +23802,7 @@ static int sqlite3MemInit(void *NotUsed){ /* defer MT decisions to system malloc */ _sqliteZone_ = malloc_default_zone(); }else{ - /* only 1 core, use our own zone to contention over global locks, + /* only 1 core, use our own zone to contention over global locks, ** e.g. we have our own dedicated locks */ _sqliteZone_ = malloc_create_zone(4096, 0); malloc_set_zone_name(_sqliteZone_, "Sqlite_Heap"); @@ -23289,7 +23926,7 @@ struct MemBlockHdr { ** when this module is combined with other in the amalgamation. */ static struct { - + /* ** Mutex to control access to the memory allocation subsystem. */ @@ -23300,7 +23937,7 @@ static struct { */ struct MemBlockHdr *pFirst; struct MemBlockHdr *pLast; - + /* ** The number of levels of backtrace to save in new allocations. */ @@ -23313,7 +23950,7 @@ static struct { int nTitle; /* Bytes of zTitle to save. Includes '\0' and padding */ char zTitle[100]; /* The title text */ - /* + /* ** sqlite3MallocDisallow() increments the following counter. ** sqlite3MallocAllow() decrements it. */ @@ -23372,7 +24009,7 @@ static struct MemBlockHdr *sqlite3MemsysGetHeader(void *pAllocation){ pU8 = (u8*)pAllocation; assert( pInt[nReserve/sizeof(int)]==(int)REARGUARD ); /* This checks any of the "extra" bytes allocated due - ** to rounding up to an 8 byte boundary to ensure + ** to rounding up to an 8 byte boundary to ensure ** they haven't been overwritten. */ while( nReserve-- > p->iSize ) assert( pU8[nReserve]==0x65 ); @@ -23501,7 +24138,7 @@ static void *sqlite3MemMalloc(int nByte){ p = (void*)pInt; } sqlite3_mutex_leave(mem.mutex); - return p; + return p; } /* @@ -23511,7 +24148,7 @@ static void sqlite3MemFree(void *pPrior){ struct MemBlockHdr *pHdr; void **pBt; char *z; - assert( sqlite3GlobalConfig.bMemstat || sqlite3GlobalConfig.bCoreMutex==0 + assert( sqlite3GlobalConfig.bMemstat || sqlite3GlobalConfig.bCoreMutex==0 || mem.mutex!=0 ); pHdr = sqlite3MemsysGetHeader(pPrior); pBt = (void**)pHdr; @@ -23537,15 +24174,15 @@ static void sqlite3MemFree(void *pPrior){ randomFill(z, sizeof(void*)*pHdr->nBacktraceSlots + sizeof(*pHdr) + (int)pHdr->iSize + sizeof(int) + pHdr->nTitle); free(z); - sqlite3_mutex_leave(mem.mutex); + sqlite3_mutex_leave(mem.mutex); } /* ** Change the size of an existing memory allocation. ** ** For this debugging implementation, we *always* make a copy of the -** allocation into a new place in memory. In this way, if the -** higher level code is using pointer to the old allocation, it is +** allocation into a new place in memory. In this way, if the +** higher level code is using pointer to the old allocation, it is ** much more likely to break and we are much more liking to find ** the error. */ @@ -23588,7 +24225,7 @@ SQLITE_PRIVATE void sqlite3MemSetDefault(void){ ** Set the "type" of an allocation. */ SQLITE_PRIVATE void sqlite3MemdebugSetType(void *p, u8 eType){ - if( p && sqlite3GlobalConfig.m.xMalloc==sqlite3MemMalloc ){ + if( p && sqlite3GlobalConfig.m.xFree==sqlite3MemFree ){ struct MemBlockHdr *pHdr; pHdr = sqlite3MemsysGetHeader(p); assert( pHdr->iForeGuard==FOREGUARD ); @@ -23607,7 +24244,7 @@ SQLITE_PRIVATE void sqlite3MemdebugSetType(void *p, u8 eType){ */ SQLITE_PRIVATE int sqlite3MemdebugHasType(void *p, u8 eType){ int rc = 1; - if( p && sqlite3GlobalConfig.m.xMalloc==sqlite3MemMalloc ){ + if( p && sqlite3GlobalConfig.m.xFree==sqlite3MemFree ){ struct MemBlockHdr *pHdr; pHdr = sqlite3MemsysGetHeader(p); assert( pHdr->iForeGuard==FOREGUARD ); /* Allocation is valid */ @@ -23629,7 +24266,7 @@ SQLITE_PRIVATE int sqlite3MemdebugHasType(void *p, u8 eType){ */ SQLITE_PRIVATE int sqlite3MemdebugNoType(void *p, u8 eType){ int rc = 1; - if( p && sqlite3GlobalConfig.m.xMalloc==sqlite3MemMalloc ){ + if( p && sqlite3GlobalConfig.m.xFree==sqlite3MemFree ){ struct MemBlockHdr *pHdr; pHdr = sqlite3MemsysGetHeader(p); assert( pHdr->iForeGuard==FOREGUARD ); /* Allocation is valid */ @@ -23679,7 +24316,7 @@ SQLITE_PRIVATE void sqlite3MemdebugSync(){ } /* -** Open the file indicated and write a log of all unfreed memory +** Open the file indicated and write a log of all unfreed memory ** allocations into that log. */ SQLITE_PRIVATE void sqlite3MemdebugDump(const char *zFilename){ @@ -23696,7 +24333,7 @@ SQLITE_PRIVATE void sqlite3MemdebugDump(const char *zFilename){ for(pHdr=mem.pFirst; pHdr; pHdr=pHdr->pNext){ char *z = (char*)pHdr; z -= pHdr->nBacktraceSlots*sizeof(void*) + pHdr->nTitle; - fprintf(out, "**** %lld bytes at %p from %s ****\n", + fprintf(out, "**** %lld bytes at %p from %s ****\n", pHdr->iSize, &pHdr[1], pHdr->nTitle ? z : "???"); if( pHdr->nBacktrace ){ fflush(out); @@ -23709,7 +24346,7 @@ SQLITE_PRIVATE void sqlite3MemdebugDump(const char *zFilename){ fprintf(out, "COUNTS:\n"); for(i=0; i<NCSIZE-1; i++){ if( mem.nAlloc[i] ){ - fprintf(out, " %5d: %10d %10d %10d\n", + fprintf(out, " %5d: %10d %10d %10d\n", i*8, mem.nAlloc[i], mem.nCurrent[i], mem.mxCurrent[i]); } } @@ -23750,12 +24387,12 @@ SQLITE_PRIVATE int sqlite3MemdebugMallocCount(){ ** ************************************************************************* ** This file contains the C functions that implement a memory -** allocation subsystem for use by SQLite. +** allocation subsystem for use by SQLite. ** ** This version of the memory allocation subsystem omits all ** use of malloc(). The SQLite user supplies a block of memory ** before calling sqlite3_initialize() from which allocations -** are made and returned by the xMalloc() and xRealloc() +** are made and returned by the xMalloc() and xRealloc() ** implementations. Once sqlite3_initialize() has been called, ** the amount of memory available to SQLite is fixed and cannot ** be changed. @@ -23786,8 +24423,8 @@ SQLITE_PRIVATE int sqlite3MemdebugMallocCount(){ #define N_HASH 61 /* -** A memory allocation (also called a "chunk") consists of two or -** more blocks where each block is 8 bytes. The first 8 bytes are +** A memory allocation (also called a "chunk") consists of two or +** more blocks where each block is 8 bytes. The first 8 bytes are ** a header that is not returned to the user. ** ** A chunk is two or more blocks that is either checked out or @@ -23810,10 +24447,10 @@ SQLITE_PRIVATE int sqlite3MemdebugMallocCount(){ ** ** The second block of free chunks is of the form u.list. The ** two fields form a double-linked list of chunks of related sizes. -** Pointers to the head of the list are stored in mem3.aiSmall[] +** Pointers to the head of the list are stored in mem3.aiSmall[] ** for smaller chunks and mem3.aiHash[] for larger chunks. ** -** The second block of a chunk is user data if the chunk is checked +** The second block of a chunk is user data if the chunk is checked ** out. If a chunk is checked out, the user data may extend into ** the u.hdr.prevSize value of the following chunk. */ @@ -23849,28 +24486,28 @@ static SQLITE_WSD struct Mem3Global { ** True if we are evaluating an out-of-memory callback. */ int alarmBusy; - + /* ** Mutex to control access to the memory allocation subsystem. */ sqlite3_mutex *mutex; - + /* ** The minimum amount of free space that we have seen. */ - u32 mnMaster; + u32 mnKeyBlk; /* - ** iMaster is the index of the master chunk. Most new allocations - ** occur off of this chunk. szMaster is the size (in Mem3Blocks) - ** of the current master. iMaster is 0 if there is not master chunk. - ** The master chunk is not in either the aiHash[] or aiSmall[]. + ** iKeyBlk is the index of the key chunk. Most new allocations + ** occur off of this chunk. szKeyBlk is the size (in Mem3Blocks) + ** of the current key chunk. iKeyBlk is 0 if there is no key chunk. + ** The key chunk is not in either the aiHash[] or aiSmall[]. */ - u32 iMaster; - u32 szMaster; + u32 iKeyBlk; + u32 szKeyBlk; /* - ** Array of lists of free blocks according to the block size + ** Array of lists of free blocks according to the block size ** for smaller chunks, or a hash on the block size for larger ** chunks. */ @@ -23901,7 +24538,7 @@ static void memsys3UnlinkFromList(u32 i, u32 *pRoot){ } /* -** Unlink the chunk at index i from +** Unlink the chunk at index i from ** whatever list is currently a member of. */ static void memsys3Unlink(u32 i){ @@ -23985,8 +24622,8 @@ static void memsys3OutOfMemory(int nByte){ /* -** Chunk i is a free chunk that has been unlinked. Adjust its -** size parameters for check-out and return a pointer to the +** Chunk i is a free chunk that has been unlinked. Adjust its +** size parameters for check-out and return a pointer to the ** user portion of the chunk. */ static void *memsys3Checkout(u32 i, u32 nBlock){ @@ -24003,34 +24640,34 @@ static void *memsys3Checkout(u32 i, u32 nBlock){ } /* -** Carve a piece off of the end of the mem3.iMaster free chunk. -** Return a pointer to the new allocation. Or, if the master chunk +** Carve a piece off of the end of the mem3.iKeyBlk free chunk. +** Return a pointer to the new allocation. Or, if the key chunk ** is not large enough, return 0. */ -static void *memsys3FromMaster(u32 nBlock){ +static void *memsys3FromKeyBlk(u32 nBlock){ assert( sqlite3_mutex_held(mem3.mutex) ); - assert( mem3.szMaster>=nBlock ); - if( nBlock>=mem3.szMaster-1 ){ - /* Use the entire master */ - void *p = memsys3Checkout(mem3.iMaster, mem3.szMaster); - mem3.iMaster = 0; - mem3.szMaster = 0; - mem3.mnMaster = 0; + assert( mem3.szKeyBlk>=nBlock ); + if( nBlock>=mem3.szKeyBlk-1 ){ + /* Use the entire key chunk */ + void *p = memsys3Checkout(mem3.iKeyBlk, mem3.szKeyBlk); + mem3.iKeyBlk = 0; + mem3.szKeyBlk = 0; + mem3.mnKeyBlk = 0; return p; }else{ - /* Split the master block. Return the tail. */ + /* Split the key block. Return the tail. */ u32 newi, x; - newi = mem3.iMaster + mem3.szMaster - nBlock; - assert( newi > mem3.iMaster+1 ); - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.prevSize = nBlock; - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.size4x |= 2; + newi = mem3.iKeyBlk + mem3.szKeyBlk - nBlock; + assert( newi > mem3.iKeyBlk+1 ); + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.prevSize = nBlock; + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.size4x |= 2; mem3.aPool[newi-1].u.hdr.size4x = nBlock*4 + 1; - mem3.szMaster -= nBlock; - mem3.aPool[newi-1].u.hdr.prevSize = mem3.szMaster; - x = mem3.aPool[mem3.iMaster-1].u.hdr.size4x & 2; - mem3.aPool[mem3.iMaster-1].u.hdr.size4x = mem3.szMaster*4 | x; - if( mem3.szMaster < mem3.mnMaster ){ - mem3.mnMaster = mem3.szMaster; + mem3.szKeyBlk -= nBlock; + mem3.aPool[newi-1].u.hdr.prevSize = mem3.szKeyBlk; + x = mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x & 2; + mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x = mem3.szKeyBlk*4 | x; + if( mem3.szKeyBlk < mem3.mnKeyBlk ){ + mem3.mnKeyBlk = mem3.szKeyBlk; } return (void*)&mem3.aPool[newi]; } @@ -24039,18 +24676,18 @@ static void *memsys3FromMaster(u32 nBlock){ /* ** *pRoot is the head of a list of free chunks of the same size ** or same size hash. In other words, *pRoot is an entry in either -** mem3.aiSmall[] or mem3.aiHash[]. +** mem3.aiSmall[] or mem3.aiHash[]. ** ** This routine examines all entries on the given list and tries -** to coalesce each entries with adjacent free chunks. +** to coalesce each entries with adjacent free chunks. ** -** If it sees a chunk that is larger than mem3.iMaster, it replaces -** the current mem3.iMaster with the new larger chunk. In order for -** this mem3.iMaster replacement to work, the master chunk must be +** If it sees a chunk that is larger than mem3.iKeyBlk, it replaces +** the current mem3.iKeyBlk with the new larger chunk. In order for +** this mem3.iKeyBlk replacement to work, the key chunk must be ** linked into the hash tables. That is not the normal state of -** affairs, of course. The calling routine must link the master +** affairs, of course. The calling routine must link the key ** chunk before invoking this routine, then must unlink the (possibly -** changed) master chunk once this routine has finished. +** changed) key chunk once this routine has finished. */ static void memsys3Merge(u32 *pRoot){ u32 iNext, prev, size, i, x; @@ -24077,9 +24714,9 @@ static void memsys3Merge(u32 *pRoot){ }else{ size /= 4; } - if( size>mem3.szMaster ){ - mem3.iMaster = i; - mem3.szMaster = size; + if( size>mem3.szKeyBlk ){ + mem3.iKeyBlk = i; + mem3.szKeyBlk = size; } } } @@ -24128,26 +24765,26 @@ static void *memsys3MallocUnsafe(int nByte){ /* STEP 2: ** Try to satisfy the allocation by carving a piece off of the end - ** of the master chunk. This step usually works if step 1 fails. + ** of the key chunk. This step usually works if step 1 fails. */ - if( mem3.szMaster>=nBlock ){ - return memsys3FromMaster(nBlock); + if( mem3.szKeyBlk>=nBlock ){ + return memsys3FromKeyBlk(nBlock); } - /* STEP 3: + /* STEP 3: ** Loop through the entire memory pool. Coalesce adjacent free - ** chunks. Recompute the master chunk as the largest free chunk. + ** chunks. Recompute the key chunk as the largest free chunk. ** Then try again to satisfy the allocation by carving a piece off - ** of the end of the master chunk. This step happens very + ** of the end of the key chunk. This step happens very ** rarely (we hope!) */ for(toFree=nBlock*16; toFree<(mem3.nPool*16); toFree *= 2){ memsys3OutOfMemory(toFree); - if( mem3.iMaster ){ - memsys3Link(mem3.iMaster); - mem3.iMaster = 0; - mem3.szMaster = 0; + if( mem3.iKeyBlk ){ + memsys3Link(mem3.iKeyBlk); + mem3.iKeyBlk = 0; + mem3.szKeyBlk = 0; } for(i=0; i<N_HASH; i++){ memsys3Merge(&mem3.aiHash[i]); @@ -24155,10 +24792,10 @@ static void *memsys3MallocUnsafe(int nByte){ for(i=0; i<MX_SMALL-1; i++){ memsys3Merge(&mem3.aiSmall[i]); } - if( mem3.szMaster ){ - memsys3Unlink(mem3.iMaster); - if( mem3.szMaster>=nBlock ){ - return memsys3FromMaster(nBlock); + if( mem3.szKeyBlk ){ + memsys3Unlink(mem3.iKeyBlk); + if( mem3.szKeyBlk>=nBlock ){ + return memsys3FromKeyBlk(nBlock); } } } @@ -24188,23 +24825,23 @@ static void memsys3FreeUnsafe(void *pOld){ mem3.aPool[i+size-1].u.hdr.size4x &= ~2; memsys3Link(i); - /* Try to expand the master using the newly freed chunk */ - if( mem3.iMaster ){ - while( (mem3.aPool[mem3.iMaster-1].u.hdr.size4x&2)==0 ){ - size = mem3.aPool[mem3.iMaster-1].u.hdr.prevSize; - mem3.iMaster -= size; - mem3.szMaster += size; - memsys3Unlink(mem3.iMaster); - x = mem3.aPool[mem3.iMaster-1].u.hdr.size4x & 2; - mem3.aPool[mem3.iMaster-1].u.hdr.size4x = mem3.szMaster*4 | x; - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.prevSize = mem3.szMaster; + /* Try to expand the key using the newly freed chunk */ + if( mem3.iKeyBlk ){ + while( (mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x&2)==0 ){ + size = mem3.aPool[mem3.iKeyBlk-1].u.hdr.prevSize; + mem3.iKeyBlk -= size; + mem3.szKeyBlk += size; + memsys3Unlink(mem3.iKeyBlk); + x = mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x & 2; + mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x = mem3.szKeyBlk*4 | x; + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.prevSize = mem3.szKeyBlk; } - x = mem3.aPool[mem3.iMaster-1].u.hdr.size4x & 2; - while( (mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.size4x&1)==0 ){ - memsys3Unlink(mem3.iMaster+mem3.szMaster); - mem3.szMaster += mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.size4x/4; - mem3.aPool[mem3.iMaster-1].u.hdr.size4x = mem3.szMaster*4 | x; - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.prevSize = mem3.szMaster; + x = mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x & 2; + while( (mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.size4x&1)==0 ){ + memsys3Unlink(mem3.iKeyBlk+mem3.szKeyBlk); + mem3.szKeyBlk += mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.size4x/4; + mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x = mem3.szKeyBlk*4 | x; + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.prevSize = mem3.szKeyBlk; } } } @@ -24242,7 +24879,7 @@ static void *memsys3Malloc(int nBytes){ memsys3Enter(); p = memsys3MallocUnsafe(nBytes); memsys3Leave(); - return (void*)p; + return (void*)p; } /* @@ -24300,11 +24937,11 @@ static int memsys3Init(void *NotUsed){ mem3.aPool = (Mem3Block *)sqlite3GlobalConfig.pHeap; mem3.nPool = (sqlite3GlobalConfig.nHeap / sizeof(Mem3Block)) - 2; - /* Initialize the master block. */ - mem3.szMaster = mem3.nPool; - mem3.mnMaster = mem3.szMaster; - mem3.iMaster = 1; - mem3.aPool[0].u.hdr.size4x = (mem3.szMaster<<2) + 2; + /* Initialize the key block. */ + mem3.szKeyBlk = mem3.nPool; + mem3.mnKeyBlk = mem3.szKeyBlk; + mem3.iKeyBlk = 1; + mem3.aPool[0].u.hdr.size4x = (mem3.szKeyBlk<<2) + 2; mem3.aPool[mem3.nPool].u.hdr.prevSize = mem3.nPool; mem3.aPool[mem3.nPool].u.hdr.size4x = 1; @@ -24323,7 +24960,7 @@ static void memsys3Shutdown(void *NotUsed){ /* -** Open the file indicated and write a log of all unfreed memory +** Open the file indicated and write a log of all unfreed memory ** allocations into that log. */ SQLITE_PRIVATE void sqlite3Memsys3Dump(const char *zFilename){ @@ -24364,7 +25001,7 @@ SQLITE_PRIVATE void sqlite3Memsys3Dump(const char *zFilename){ fprintf(out, "%p %6d bytes checked out\n", &mem3.aPool[i], (size/4)*8-8); }else{ fprintf(out, "%p %6d bytes free%s\n", &mem3.aPool[i], (size/4)*8-8, - i==mem3.iMaster ? " **master**" : ""); + i==mem3.iKeyBlk ? " **key**" : ""); } } for(i=0; i<MX_SMALL-1; i++){ @@ -24374,7 +25011,7 @@ SQLITE_PRIVATE void sqlite3Memsys3Dump(const char *zFilename){ fprintf(out, " %p(%d)", &mem3.aPool[j], (mem3.aPool[j-1].u.hdr.size4x/4)*8-8); } - fprintf(out, "\n"); + fprintf(out, "\n"); } for(i=0; i<N_HASH; i++){ if( mem3.aiHash[i]==0 ) continue; @@ -24383,11 +25020,11 @@ SQLITE_PRIVATE void sqlite3Memsys3Dump(const char *zFilename){ fprintf(out, " %p(%d)", &mem3.aPool[j], (mem3.aPool[j-1].u.hdr.size4x/4)*8-8); } - fprintf(out, "\n"); + fprintf(out, "\n"); } - fprintf(out, "master=%d\n", mem3.iMaster); - fprintf(out, "nowUsed=%d\n", mem3.nPool*8 - mem3.szMaster*8); - fprintf(out, "mxUsed=%d\n", mem3.nPool*8 - mem3.mnMaster*8); + fprintf(out, "key=%d\n", mem3.iKeyBlk); + fprintf(out, "nowUsed=%d\n", mem3.nPool*8 - mem3.szKeyBlk*8); + fprintf(out, "mxUsed=%d\n", mem3.nPool*8 - mem3.mnKeyBlk*8); sqlite3_mutex_leave(mem3.mutex); if( out==stdout ){ fflush(stdout); @@ -24400,7 +25037,7 @@ SQLITE_PRIVATE void sqlite3Memsys3Dump(const char *zFilename){ } /* -** This routine is the only routine in this file with external +** This routine is the only routine in this file with external ** linkage. ** ** Populate the low-level memory allocation function pointers in @@ -24440,12 +25077,12 @@ SQLITE_PRIVATE const sqlite3_mem_methods *sqlite3MemGetMemsys3(void){ ** ************************************************************************* ** This file contains the C functions that implement a memory -** allocation subsystem for use by SQLite. +** allocation subsystem for use by SQLite. ** ** This version of the memory allocation subsystem omits all ** use of malloc(). The application gives SQLite a block of memory ** before calling sqlite3_initialize() from which allocations -** are made and returned by the xMalloc() and xRealloc() +** are made and returned by the xMalloc() and xRealloc() ** implementations. Once sqlite3_initialize() has been called, ** the amount of memory available to SQLite is fixed and cannot ** be changed. @@ -24465,12 +25102,12 @@ SQLITE_PRIVATE const sqlite3_mem_methods *sqlite3MemGetMemsys3(void){ ** This algorithm is described in: J. M. Robson. "Bounds for Some Functions ** Concerning Dynamic Storage Allocation". Journal of the Association for ** Computing Machinery, Volume 21, Number 8, July 1974, pages 491-499. -** +** ** Let n be the size of the largest allocation divided by the minimum ** allocation size (after rounding all sizes up to a power of 2.) Let M ** be the maximum amount of memory ever outstanding at one time. Let ** N be the total amount of memory available for allocation. Robson -** proved that this memory allocator will never breakdown due to +** proved that this memory allocator will never breakdown due to ** fragmentation as long as the following constraint holds: ** ** N >= M*(1 + log2(n)/2) - n + 1 @@ -24481,7 +25118,7 @@ SQLITE_PRIVATE const sqlite3_mem_methods *sqlite3MemGetMemsys3(void){ /* #include "sqliteInt.h" */ /* -** This version of the memory allocator is used only when +** This version of the memory allocator is used only when ** SQLITE_ENABLE_MEMSYS5 is defined. */ #ifdef SQLITE_ENABLE_MEMSYS5 @@ -24526,7 +25163,7 @@ static SQLITE_WSD struct Mem5Global { int szAtom; /* Smallest possible allocation in bytes */ int nBlock; /* Number of szAtom sized blocks in zPool */ u8 *zPool; /* Memory available to be allocated */ - + /* ** Mutex to control access to the memory allocation subsystem. */ @@ -24545,7 +25182,7 @@ static SQLITE_WSD struct Mem5Global { u32 maxCount; /* Maximum instantaneous currentCount */ u32 maxRequest; /* Largest allocation (exclusive of internal frag) */ #endif - + /* ** Lists of free blocks. aiFreelist[0] is a list of free blocks of ** size mem5.szAtom. aiFreelist[1] holds blocks of size szAtom*2. @@ -24721,7 +25358,7 @@ static void memsys5FreeUnsafe(void *pOld){ u32 size, iLogsize; int iBlock; - /* Set iBlock to the index of the block pointed to by pOld in + /* Set iBlock to the index of the block pointed to by pOld in ** the array of mem5.szAtom byte blocks pointed to by mem5.zPool. */ iBlock = (int)(((u8 *)pOld-mem5.zPool)/mem5.szAtom); @@ -24790,7 +25427,7 @@ static void *memsys5Malloc(int nBytes){ p = memsys5MallocUnsafe(nBytes); memsys5Leave(); } - return (void*)p; + return (void*)p; } /* @@ -24803,14 +25440,14 @@ static void memsys5Free(void *pPrior){ assert( pPrior!=0 ); memsys5Enter(); memsys5FreeUnsafe(pPrior); - memsys5Leave(); + memsys5Leave(); } /* ** Change the size of an existing memory allocation. ** ** The outer layer memory allocator prevents this routine from -** being called with pPrior==0. +** being called with pPrior==0. ** ** nBytes is always a value obtained from a prior call to ** memsys5Round(). Hence nBytes is always a non-negative power @@ -24943,7 +25580,7 @@ static void memsys5Shutdown(void *NotUsed){ #ifdef SQLITE_TEST /* -** Open the file indicated and write a log of all unfreed memory +** Open the file indicated and write a log of all unfreed memory ** allocations into that log. */ SQLITE_PRIVATE void sqlite3Memsys5Dump(const char *zFilename){ @@ -24985,7 +25622,7 @@ SQLITE_PRIVATE void sqlite3Memsys5Dump(const char *zFilename){ #endif /* -** This routine is the only routine in this file with external +** This routine is the only routine in this file with external ** linkage. It returns a pointer to a static sqlite3_mem_methods ** struct populated with the memsys5 methods. */ @@ -25040,7 +25677,7 @@ static SQLITE_WSD int mutexIsInit = 0; /* ** This block (enclosed by SQLITE_ENABLE_MULTITHREADED_CHECKS) contains ** the implementation of a wrapper around the system default mutex -** implementation (sqlite3DefaultMutex()). +** implementation (sqlite3DefaultMutex()). ** ** Most calls are passed directly through to the underlying default ** mutex implementation. Except, if a mutex is configured by calling @@ -25051,7 +25688,7 @@ static SQLITE_WSD int mutexIsInit = 0; ** apps that usually use SQLITE_CONFIG_MULTITHREAD mode. */ -/* +/* ** Type for all mutexes used when SQLITE_ENABLE_MULTITHREADED_CHECKS ** is defined. Variable CheckMutex.mutex is a pointer to the real mutex ** allocated by the system mutex implementation. Variable iType is usually set @@ -25068,9 +25705,9 @@ struct CheckMutex { #define SQLITE_MUTEX_WARNONCONTENTION (-1) -/* +/* ** Pointer to real mutex methods object used by the CheckMutex -** implementation. Set by checkMutexInit(). +** implementation. Set by checkMutexInit(). */ static SQLITE_WSD const sqlite3_mutex_methods *pGlobalMutexMethods; @@ -25086,13 +25723,13 @@ static int checkMutexNotheld(sqlite3_mutex *p){ /* ** Initialize and deinitialize the mutex subsystem. */ -static int checkMutexInit(void){ +static int checkMutexInit(void){ pGlobalMutexMethods = sqlite3DefaultMutex(); - return SQLITE_OK; + return SQLITE_OK; } -static int checkMutexEnd(void){ +static int checkMutexEnd(void){ pGlobalMutexMethods = 0; - return SQLITE_OK; + return SQLITE_OK; } /* @@ -25166,7 +25803,7 @@ static void checkMutexEnter(sqlite3_mutex *p){ if( SQLITE_OK==pGlobalMutexMethods->xMutexTry(pCheck->mutex) ){ return; } - sqlite3_log(SQLITE_MISUSE, + sqlite3_log(SQLITE_MISUSE, "illegal multi-threaded access to database connection" ); } @@ -25225,11 +25862,11 @@ SQLITE_PRIVATE void sqlite3MutexWarnOnContention(sqlite3_mutex *p){ /* ** Initialize the mutex system. */ -SQLITE_PRIVATE int sqlite3MutexInit(void){ +SQLITE_PRIVATE int sqlite3MutexInit(void){ int rc = SQLITE_OK; if( !sqlite3GlobalConfig.mutex.xMutexAlloc ){ /* If the xMutexAlloc method has not been set, then the user did not - ** install a mutex implementation via sqlite3_config() prior to + ** install a mutex implementation via sqlite3_config() prior to ** sqlite3_initialize() being called. This block copies pointers to ** the default implementation into the sqlite3GlobalConfig structure. */ @@ -25263,6 +25900,7 @@ SQLITE_PRIVATE int sqlite3MutexInit(void){ GLOBAL(int, mutexIsInit) = 1; #endif + sqlite3MemoryBarrier(); return rc; } @@ -25340,7 +25978,7 @@ SQLITE_API int sqlite3_mutex_try(sqlite3_mutex *p){ /* ** The sqlite3_mutex_leave() routine exits a mutex that was previously -** entered by the same thread. The behavior is undefined if the mutex +** entered by the same thread. The behavior is undefined if the mutex ** is not currently entered. If a NULL pointer is passed as an argument ** this function is a no-op. */ @@ -25409,9 +26047,9 @@ SQLITE_API int sqlite3_mutex_notheld(sqlite3_mutex *p){ */ static int noopMutexInit(void){ return SQLITE_OK; } static int noopMutexEnd(void){ return SQLITE_OK; } -static sqlite3_mutex *noopMutexAlloc(int id){ +static sqlite3_mutex *noopMutexAlloc(int id){ UNUSED_PARAMETER(id); - return (sqlite3_mutex*)8; + return (sqlite3_mutex*)8; } static void noopMutexFree(sqlite3_mutex *p){ UNUSED_PARAMETER(p); return; } static void noopMutexEnter(sqlite3_mutex *p){ UNUSED_PARAMETER(p); return; } @@ -25476,7 +26114,7 @@ static int debugMutexEnd(void){ return SQLITE_OK; } /* ** The sqlite3_mutex_alloc() routine allocates a new ** mutex and returns a pointer to it. If it returns NULL -** that means that a mutex could not be allocated. +** that means that a mutex could not be allocated. */ static sqlite3_mutex *debugMutexAlloc(int id){ static sqlite3_debug_mutex aStatic[SQLITE_MUTEX_STATIC_VFS3 - 1]; @@ -25654,7 +26292,7 @@ struct sqlite3_mutex { ** there might be race conditions that can cause these routines to ** deliver incorrect results. In particular, if pthread_equal() is ** not an atomic operation, then these routines might delivery -** incorrect results. On most platforms, pthread_equal() is a +** incorrect results. On most platforms, pthread_equal() is a ** comparison of two integers and is therefore atomic. But we are ** told that HPUX is not such a platform. If so, then these routines ** will not always work correctly on HPUX. @@ -25702,7 +26340,7 @@ static int pthreadMutexEnd(void){ return SQLITE_OK; } ** <ul> ** <li> SQLITE_MUTEX_FAST ** <li> SQLITE_MUTEX_RECURSIVE -** <li> SQLITE_MUTEX_STATIC_MASTER +** <li> SQLITE_MUTEX_STATIC_MAIN ** <li> SQLITE_MUTEX_STATIC_MEM ** <li> SQLITE_MUTEX_STATIC_OPEN ** <li> SQLITE_MUTEX_STATIC_PRNG @@ -25736,7 +26374,7 @@ static int pthreadMutexEnd(void){ return SQLITE_OK; } ** ** Note that if one of the dynamic mutex parameters (SQLITE_MUTEX_FAST ** or SQLITE_MUTEX_RECURSIVE) is used then sqlite3_mutex_alloc() -** returns a different mutex on every call. But for the static +** returns a different mutex on every call. But for the static ** mutex types, the same mutex is returned on every call that has ** the same type number. */ @@ -25847,7 +26485,7 @@ static void pthreadMutexEnter(sqlite3_mutex *p){ ** is atomic - that it cannot be deceived into thinking self ** and p->owner are equal if p->owner changes between two values ** that are not equal to self while the comparison is taking place. - ** This implementation also assumes a coherent cache - that + ** This implementation also assumes a coherent cache - that ** separate processes cannot read different values from the same ** address at the same time. If either of these two conditions ** are not met, then the mutexes will fail and problems will result. @@ -25890,7 +26528,7 @@ static int pthreadMutexTry(sqlite3_mutex *p){ ** is atomic - that it cannot be deceived into thinking self ** and p->owner are equal if p->owner changes between two values ** that are not equal to self while the comparison is taking place. - ** This implementation also assumes a coherent cache - that + ** This implementation also assumes a coherent cache - that ** separate processes cannot read different values from the same ** address at the same time. If either of these two conditions ** are not met, then the mutexes will fail and problems will result. @@ -26062,7 +26700,7 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ ****************************************************************************** ** ** This file contains inline asm code for retrieving "high-performance" -** counters for x86 class CPUs. +** counters for x86 and x86_64 class CPUs. */ #ifndef SQLITE_HWTIME_H #define SQLITE_HWTIME_H @@ -26073,8 +26711,9 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ ** processor and returns that value. This can be used for high-res ** profiling. */ -#if (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) +#if !defined(__STRICT_ANSI__) && \ + (defined(__GNUC__) || defined(_MSC_VER)) && \ + (defined(i386) || defined(__i386__) || defined(_M_IX86)) #if defined(__GNUC__) @@ -26095,15 +26734,15 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ #endif -#elif (defined(__GNUC__) && defined(__x86_64__)) +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long val; __asm__ __volatile__ ("rdtsc" : "=A" (val)); return val; } - -#elif (defined(__GNUC__) && defined(__ppc__)) + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long long retval; @@ -26120,14 +26759,13 @@ SQLITE_PRIVATE sqlite3_mutex_methods const *sqlite3DefaultMutex(void){ #else - #error Need implementation of sqlite3Hwtime() for your platform. - /* - ** To compile without implementing sqlite3Hwtime() for your platform, - ** you can remove the above #error and use the following - ** stub function. You will lose timing support for many - ** of the debugging and testing utilities, but it should at - ** least compile and run. + ** asm() is needed for hardware timing support. Without asm(), + ** disable the sqlite3Hwtime() routine. + ** + ** sqlite3Hwtime() is only used for some obscure debugging + ** and analysis configurations, not in any deliverable, so this + ** should not be a great loss. */ SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } @@ -26448,7 +27086,7 @@ static int winMutexEnd(void){ ** <ul> ** <li> SQLITE_MUTEX_FAST ** <li> SQLITE_MUTEX_RECURSIVE -** <li> SQLITE_MUTEX_STATIC_MASTER +** <li> SQLITE_MUTEX_STATIC_MAIN ** <li> SQLITE_MUTEX_STATIC_MEM ** <li> SQLITE_MUTEX_STATIC_OPEN ** <li> SQLITE_MUTEX_STATIC_PRNG @@ -26712,18 +27350,26 @@ SQLITE_API int sqlite3_release_memory(int n){ } /* +** Default value of the hard heap limit. 0 means "no limit". +*/ +#ifndef SQLITE_MAX_MEMORY +# define SQLITE_MAX_MEMORY 0 +#endif + +/* ** State information local to the memory allocation subsystem. */ static SQLITE_WSD struct Mem0Global { sqlite3_mutex *mutex; /* Mutex to serialize access */ sqlite3_int64 alarmThreshold; /* The soft heap limit */ + sqlite3_int64 hardLimit; /* The hard upper bound on memory */ /* ** True if heap is nearly "full" where "full" is defined by the ** sqlite3_soft_heap_limit() setting. */ int nearlyFull; -} mem0 = { 0, 0, 0 }; +} mem0 = { 0, SQLITE_MAX_MEMORY, SQLITE_MAX_MEMORY, 0 }; #define mem0 GLOBAL(struct Mem0Global, mem0) @@ -26753,8 +27399,15 @@ SQLITE_API int sqlite3_memory_alarm( #endif /* -** Set the soft heap-size limit for the library. Passing a zero or -** negative value indicates no limit. +** Set the soft heap-size limit for the library. An argument of +** zero disables the limit. A negative argument is a no-op used to +** obtain the return value. +** +** The return value is the value of the heap limit just before this +** interface was called. +** +** If the hard heap limit is enabled, then the soft heap limit cannot +** be disabled nor raised above the hard heap limit. */ SQLITE_API sqlite3_int64 sqlite3_soft_heap_limit64(sqlite3_int64 n){ sqlite3_int64 priorLimit; @@ -26770,9 +27423,12 @@ SQLITE_API sqlite3_int64 sqlite3_soft_heap_limit64(sqlite3_int64 n){ sqlite3_mutex_leave(mem0.mutex); return priorLimit; } + if( mem0.hardLimit>0 && (n>mem0.hardLimit || n==0) ){ + n = mem0.hardLimit; + } mem0.alarmThreshold = n; nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED); - mem0.nearlyFull = (n>0 && n<=nUsed); + AtomicStore(&mem0.nearlyFull, n>0 && n<=nUsed); sqlite3_mutex_leave(mem0.mutex); excess = sqlite3_memory_used() - n; if( excess>0 ) sqlite3_release_memory((int)(excess & 0x7fffffff)); @@ -26784,6 +27440,37 @@ SQLITE_API void sqlite3_soft_heap_limit(int n){ } /* +** Set the hard heap-size limit for the library. An argument of zero +** disables the hard heap limit. A negative argument is a no-op used +** to obtain the return value without affecting the hard heap limit. +** +** The return value is the value of the hard heap limit just prior to +** calling this interface. +** +** Setting the hard heap limit will also activate the soft heap limit +** and constrain the soft heap limit to be no more than the hard heap +** limit. +*/ +SQLITE_API sqlite3_int64 sqlite3_hard_heap_limit64(sqlite3_int64 n){ + sqlite3_int64 priorLimit; +#ifndef SQLITE_OMIT_AUTOINIT + int rc = sqlite3_initialize(); + if( rc ) return -1; +#endif + sqlite3_mutex_enter(mem0.mutex); + priorLimit = mem0.hardLimit; + if( n>=0 ){ + mem0.hardLimit = n; + if( n<mem0.alarmThreshold || mem0.alarmThreshold==0 ){ + mem0.alarmThreshold = n; + } + } + sqlite3_mutex_leave(mem0.mutex); + return priorLimit; +} + + +/* ** Initialize the memory allocation subsystem. */ SQLITE_PRIVATE int sqlite3MallocInit(void){ @@ -26809,7 +27496,7 @@ SQLITE_PRIVATE int sqlite3MallocInit(void){ ** sqlite3_soft_heap_limit(). */ SQLITE_PRIVATE int sqlite3HeapNearlyFull(void){ - return mem0.nearlyFull; + return AtomicLoad(&mem0.nearlyFull); } /* @@ -26843,7 +27530,7 @@ SQLITE_API sqlite3_int64 sqlite3_memory_highwater(int resetFlag){ } /* -** Trigger the alarm +** Trigger the alarm */ static void sqlite3MallocAlarm(int nByte){ if( mem0.alarmThreshold<=0 ) return; @@ -26869,21 +27556,21 @@ static void mallocWithAlarm(int n, void **pp){ ** following xRoundup() call. */ nFull = sqlite3GlobalConfig.m.xRoundup(n); -#ifdef SQLITE_MAX_MEMORY - if( sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED)+nFull>SQLITE_MAX_MEMORY ){ - *pp = 0; - return; - } -#endif - sqlite3StatusHighwater(SQLITE_STATUS_MALLOC_SIZE, n); if( mem0.alarmThreshold>0 ){ sqlite3_int64 nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED); if( nUsed >= mem0.alarmThreshold - nFull ){ - mem0.nearlyFull = 1; + AtomicStore(&mem0.nearlyFull, 1); sqlite3MallocAlarm(nFull); + if( mem0.hardLimit ){ + nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED); + if( nUsed >= mem0.hardLimit - nFull ){ + *pp = 0; + return; + } + } }else{ - mem0.nearlyFull = 0; + AtomicStore(&mem0.nearlyFull, 0); } } p = sqlite3GlobalConfig.m.xMalloc(nFull); @@ -26962,10 +27649,17 @@ SQLITE_PRIVATE int sqlite3MallocSize(void *p){ assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) ); return sqlite3GlobalConfig.m.xSize(p); } +static int lookasideMallocSize(sqlite3 *db, void *p){ +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + return p<db->lookaside.pMiddle ? db->lookaside.szTrue : LOOKASIDE_SMALL; +#else + return db->lookaside.szTrue; +#endif +} SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3 *db, void *p){ assert( p!=0 ); - if( db==0 || !isLookaside(db,p) ){ #ifdef SQLITE_DEBUG + if( db==0 || !isLookaside(db,p) ){ if( db==0 ){ assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) ); assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) ); @@ -26973,12 +27667,23 @@ SQLITE_PRIVATE int sqlite3DbMallocSize(sqlite3 *db, void *p){ assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); } + } #endif - return sqlite3GlobalConfig.m.xSize(p); - }else{ - assert( sqlite3_mutex_held(db->mutex) ); - return db->lookaside.sz; + if( db ){ + if( ((uptr)p)<(uptr)(db->lookaside.pEnd) ){ +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + if( ((uptr)p)>=(uptr)(db->lookaside.pMiddle) ){ + assert( sqlite3_mutex_held(db->mutex) ); + return LOOKASIDE_SMALL; + } +#endif + if( ((uptr)p)>=(uptr)(db->lookaside.pStart) ){ + assert( sqlite3_mutex_held(db->mutex) ); + return db->lookaside.szTrue; + } + } } + return sqlite3GlobalConfig.m.xSize(p); } SQLITE_API sqlite3_uint64 sqlite3_msize(void *p){ assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) ); @@ -27025,15 +27730,27 @@ SQLITE_PRIVATE void sqlite3DbFreeNN(sqlite3 *db, void *p){ measureAllocationSize(db, p); return; } - if( isLookaside(db, p) ){ - LookasideSlot *pBuf = (LookasideSlot*)p; + if( ((uptr)p)<(uptr)(db->lookaside.pEnd) ){ +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + if( ((uptr)p)>=(uptr)(db->lookaside.pMiddle) ){ + LookasideSlot *pBuf = (LookasideSlot*)p; #ifdef SQLITE_DEBUG - /* Trash all content in the buffer being freed */ - memset(p, 0xaa, db->lookaside.sz); + memset(p, 0xaa, LOOKASIDE_SMALL); /* Trash freed content */ #endif - pBuf->pNext = db->lookaside.pFree; - db->lookaside.pFree = pBuf; - return; + pBuf->pNext = db->lookaside.pSmallFree; + db->lookaside.pSmallFree = pBuf; + return; + } +#endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ + if( ((uptr)p)>=(uptr)(db->lookaside.pStart) ){ + LookasideSlot *pBuf = (LookasideSlot*)p; +#ifdef SQLITE_DEBUG + memset(p, 0xaa, db->lookaside.szTrue); /* Trash freed content */ +#endif + pBuf->pNext = db->lookaside.pFree; + db->lookaside.pFree = pBuf; + return; + } } } assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); @@ -27077,15 +27794,17 @@ SQLITE_PRIVATE void *sqlite3Realloc(void *pOld, u64 nBytes){ sqlite3_mutex_enter(mem0.mutex); sqlite3StatusHighwater(SQLITE_STATUS_MALLOC_SIZE, (int)nBytes); nDiff = nNew - nOld; - if( nDiff>0 && sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED) >= + if( nDiff>0 && sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED) >= mem0.alarmThreshold-nDiff ){ sqlite3MallocAlarm(nDiff); } pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew); +#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT if( pNew==0 && mem0.alarmThreshold>0 ){ sqlite3MallocAlarm((int)nBytes); pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew); } +#endif if( pNew ){ nNew = sqlite3MallocSize(pNew); sqlite3StatusUp(SQLITE_STATUS_MEMORY_USED, nNew-nOld); @@ -27119,7 +27838,7 @@ SQLITE_API void *sqlite3_realloc64(void *pOld, sqlite3_uint64 n){ /* ** Allocate and zero memory. -*/ +*/ SQLITE_PRIVATE void *sqlite3MallocZero(u64 n){ void *p = sqlite3Malloc(n); if( p ){ @@ -27149,13 +27868,13 @@ static SQLITE_NOINLINE void *dbMallocRawFinish(sqlite3 *db, u64 n){ assert( db!=0 ); p = sqlite3Malloc(n); if( !p ) sqlite3OomFault(db); - sqlite3MemdebugSetType(p, + sqlite3MemdebugSetType(p, (db->lookaside.bDisable==0) ? MEMTYPE_LOOKASIDE : MEMTYPE_HEAP); return p; } /* -** Allocate memory, either lookaside (if possible) or heap. +** Allocate memory, either lookaside (if possible) or heap. ** If the allocation fails, set the mallocFailed flag in ** the connection pointer. ** @@ -27189,23 +27908,37 @@ SQLITE_PRIVATE void *sqlite3DbMallocRawNN(sqlite3 *db, u64 n){ assert( db!=0 ); assert( sqlite3_mutex_held(db->mutex) ); assert( db->pnBytesFreed==0 ); - if( db->lookaside.bDisable==0 ){ - assert( db->mallocFailed==0 ); - if( n>db->lookaside.sz ){ + if( n>db->lookaside.sz ){ + if( !db->lookaside.bDisable ){ db->lookaside.anStat[1]++; - }else if( (pBuf = db->lookaside.pFree)!=0 ){ - db->lookaside.pFree = pBuf->pNext; + }else if( db->mallocFailed ){ + return 0; + } + return dbMallocRawFinish(db, n); + } +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + if( n<=LOOKASIDE_SMALL ){ + if( (pBuf = db->lookaside.pSmallFree)!=0 ){ + db->lookaside.pSmallFree = pBuf->pNext; db->lookaside.anStat[0]++; return (void*)pBuf; - }else if( (pBuf = db->lookaside.pInit)!=0 ){ - db->lookaside.pInit = pBuf->pNext; + }else if( (pBuf = db->lookaside.pSmallInit)!=0 ){ + db->lookaside.pSmallInit = pBuf->pNext; db->lookaside.anStat[0]++; return (void*)pBuf; - }else{ - db->lookaside.anStat[2]++; } - }else if( db->mallocFailed ){ - return 0; + } +#endif + if( (pBuf = db->lookaside.pFree)!=0 ){ + db->lookaside.pFree = pBuf->pNext; + db->lookaside.anStat[0]++; + return (void*)pBuf; + }else if( (pBuf = db->lookaside.pInit)!=0 ){ + db->lookaside.pInit = pBuf->pNext; + db->lookaside.anStat[0]++; + return (void*)pBuf; + }else{ + db->lookaside.anStat[2]++; } #else assert( db!=0 ); @@ -27229,7 +27962,16 @@ SQLITE_PRIVATE void *sqlite3DbRealloc(sqlite3 *db, void *p, u64 n){ assert( db!=0 ); if( p==0 ) return sqlite3DbMallocRawNN(db, n); assert( sqlite3_mutex_held(db->mutex) ); - if( isLookaside(db,p) && n<=db->lookaside.sz ) return p; + if( ((uptr)p)<(uptr)db->lookaside.pEnd ){ +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + if( ((uptr)p)>=(uptr)db->lookaside.pMiddle ){ + if( n<=LOOKASIDE_SMALL ) return p; + }else +#endif + if( ((uptr)p)>=(uptr)db->lookaside.pStart ){ + if( n<=db->lookaside.szTrue ) return p; + } + } return dbReallocFinish(db, p, n); } static SQLITE_NOINLINE void *dbReallocFinish(sqlite3 *db, void *p, u64 n){ @@ -27240,14 +27982,14 @@ static SQLITE_NOINLINE void *dbReallocFinish(sqlite3 *db, void *p, u64 n){ if( isLookaside(db, p) ){ pNew = sqlite3DbMallocRawNN(db, n); if( pNew ){ - memcpy(pNew, p, db->lookaside.sz); + memcpy(pNew, p, lookasideMallocSize(db, p)); sqlite3DbFree(db, p); } }else{ assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); assert( sqlite3MemdebugNoType(p, (u8)~(MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) ); sqlite3MemdebugSetType(p, MEMTYPE_HEAP); - pNew = sqlite3_realloc64(p, n); + pNew = sqlite3Realloc(p, n); if( !pNew ){ sqlite3OomFault(db); } @@ -27272,9 +28014,9 @@ SQLITE_PRIVATE void *sqlite3DbReallocOrFree(sqlite3 *db, void *p, u64 n){ } /* -** Make a copy of a string in memory obtained from sqliteMalloc(). These +** Make a copy of a string in memory obtained from sqliteMalloc(). These ** functions call sqlite3MallocRaw() directly instead of sqliteMalloc(). This -** is because when memory debugging is turned on, these two functions are +** is because when memory debugging is turned on, these two functions are ** called via macros that record the current file and line number in the ** ThreadData structure. */ @@ -27294,11 +28036,9 @@ SQLITE_PRIVATE char *sqlite3DbStrDup(sqlite3 *db, const char *z){ SQLITE_PRIVATE char *sqlite3DbStrNDup(sqlite3 *db, const char *z, u64 n){ char *zNew; assert( db!=0 ); - if( z==0 ){ - return 0; - } + assert( z!=0 || n==0 ); assert( (n&0x7fffffff)==n ); - zNew = sqlite3DbMallocRawNN(db, n+1); + zNew = z ? sqlite3DbMallocRawNN(db, n+1) : 0; if( zNew ){ memcpy(zNew, z, (size_t)n); zNew[n] = 0; @@ -27337,9 +28077,9 @@ SQLITE_PRIVATE void sqlite3OomFault(sqlite3 *db){ if( db->mallocFailed==0 && db->bBenignMalloc==0 ){ db->mallocFailed = 1; if( db->nVdbeExec>0 ){ - db->u1.isInterrupted = 1; + AtomicStore(&db->u1.isInterrupted, 1); } - db->lookaside.bDisable++; + DisableLookaside; if( db->pParse ){ db->pParse->rc = SQLITE_NOMEM_BKPT; } @@ -27356,9 +28096,9 @@ SQLITE_PRIVATE void sqlite3OomFault(sqlite3 *db){ SQLITE_PRIVATE void sqlite3OomClear(sqlite3 *db){ if( db->mallocFailed && db->nVdbeExec==0 ){ db->mallocFailed = 0; - db->u1.isInterrupted = 0; + AtomicStore(&db->u1.isInterrupted, 0); assert( db->lookaside.bDisable>0 ); - db->lookaside.bDisable--; + EnableLookaside; } } @@ -27372,20 +28112,20 @@ static SQLITE_NOINLINE int apiOomError(sqlite3 *db){ } /* -** This function must be called before exiting any API function (i.e. +** This function must be called before exiting any API function (i.e. ** returning control to the user) that has called sqlite3_malloc or ** sqlite3_realloc. ** ** The returned value is normally a copy of the second argument to this ** function. However, if a malloc() failure has occurred since the previous -** invocation SQLITE_NOMEM is returned instead. +** invocation SQLITE_NOMEM is returned instead. ** ** If an OOM as occurred, then the connection error-code (the value ** returned by sqlite3_errcode()) is set to SQLITE_NOMEM. */ SQLITE_PRIVATE int sqlite3ApiExit(sqlite3* db, int rc){ /* If the db handle must hold the connection handle mutex here. - ** Otherwise the read (and possible write) of db->mallocFailed + ** Otherwise the read (and possible write) of db->mallocFailed ** is unsafe, as is the call to sqlite3Error(). */ assert( db!=0 ); @@ -27400,7 +28140,7 @@ SQLITE_PRIVATE int sqlite3ApiExit(sqlite3* db, int rc){ /************** Begin file printf.c ******************************************/ /* ** The "printf" code that follows dates from the 1980's. It is in -** the public domain. +** the public domain. ** ************************************************************************** ** @@ -27595,6 +28335,13 @@ static char *printfTempBuf(sqlite3_str *pAccum, sqlite3_int64 n){ #define etBUFSIZE SQLITE_PRINT_BUF_SIZE /* Size of the output buffer */ /* +** Hard limit on the precision of floating-point conversions. +*/ +#ifndef SQLITE_PRINTF_PRECISION_LIMIT +# define SQLITE_FP_PRECISION_LIMIT 100000000 +#endif + +/* ** Render a string given by "fmt" into the StrAccum object. */ SQLITE_API void sqlite3_str_vappendf( @@ -27635,7 +28382,7 @@ SQLITE_API void sqlite3_str_vappendf( PrintfArguments *pArgList = 0; /* Arguments for SQLITE_PRINTF_SQLFUNC */ char buf[etBUFSIZE]; /* Conversion buffer */ - /* pAccum never starts out with an empty buffer that was obtained from + /* pAccum never starts out with an empty buffer that was obtained from ** malloc(). This precondition is required by the mprintf("%z...") ** optimization. */ assert( pAccum->nChar>0 || (pAccum->printfFlags&SQLITE_PRINTF_MALLOCED)==0 ); @@ -27794,15 +28541,17 @@ SQLITE_API void sqlite3_str_vappendf( ** xtype The class of the conversion. ** infop Pointer to the appropriate info struct. */ + assert( width>=0 ); + assert( precision>=(-1) ); switch( xtype ){ case etPOINTER: flag_long = sizeof(char*)==sizeof(i64) ? 2 : sizeof(char*)==sizeof(long int) ? 1 : 0; - /* Fall through into the next case */ + /* no break */ deliberate_fall_through case etORDINAL: - case etRADIX: + case etRADIX: cThousand = 0; - /* Fall through into the next case */ + /* no break */ deliberate_fall_through case etDECIMAL: if( infop->flags & FLAG_SIGNED ){ i64 v; @@ -27915,6 +28664,11 @@ SQLITE_API void sqlite3_str_vappendf( length = 0; #else if( precision<0 ) precision = 6; /* Set default precision */ +#ifdef SQLITE_FP_PRECISION_LIMIT + if( precision>SQLITE_FP_PRECISION_LIMIT ){ + precision = SQLITE_FP_PRECISION_LIMIT; + } +#endif if( realvalue<0.0 ){ realvalue = -realvalue; prefix = '-'; @@ -28197,7 +28951,7 @@ SQLITE_API void sqlite3_str_vappendf( } isnull = escarg==0; if( isnull ) escarg = (xtype==etSQLESCAPE2 ? "NULL" : "(NULL)"); - /* For %q, %Q, and %w, the precision is the number of byte (or + /* For %q, %Q, and %w, the precision is the number of bytes (or ** characters if the ! flags is present) to use from the input. ** Because of the extra quoting characters inserted, the number ** of output characters may be larger than the precision. @@ -28324,7 +29078,7 @@ static int sqlite3StrAccumEnlarge(StrAccum *p, int N){ if( p->db ){ zNew = sqlite3DbRealloc(p->db, zOld, p->nAlloc); }else{ - zNew = sqlite3_realloc64(zOld, p->nAlloc); + zNew = sqlite3Realloc(zOld, p->nAlloc); } if( zNew ){ assert( p->zText!=0 || p->nChar==0 ); @@ -28553,7 +29307,7 @@ SQLITE_API char *sqlite3_vmprintf(const char *zFormat, va_list ap){ char zBase[SQLITE_PRINT_BUF_SIZE]; StrAccum acc; -#ifdef SQLITE_ENABLE_API_ARMOR +#ifdef SQLITE_ENABLE_API_ARMOR if( zFormat==0 ){ (void)SQLITE_MISUSE_BKPT; return 0; @@ -28666,7 +29420,7 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...){ SQLITE_PRIVATE void sqlite3DebugPrintf(const char *zFormat, ...){ va_list ap; StrAccum acc; - char zBuf[500]; + char zBuf[SQLITE_PRINT_BUF_SIZE*10]; sqlite3StrAccumInit(&acc, 0, zBuf, sizeof(zBuf), 0); va_start(ap,zFormat); sqlite3_str_vappendf(&acc, zFormat, ap); @@ -28712,7 +29466,7 @@ SQLITE_API void sqlite3_str_appendf(StrAccum *p, const char *zFormat, ...){ ** ** This file contains C code to implement the TreeView debugging routines. ** These routines print a parse tree to standard output for debugging and -** analysis. +** analysis. ** ** The interfaces in this file is only available when compiling ** with SQLITE_DEBUG. @@ -28766,7 +29520,7 @@ static void sqlite3TreeViewLine(TreeView *p, const char *zFormat, ...){ va_start(ap, zFormat); sqlite3_str_vappendf(&acc, zFormat, ap); va_end(ap); - assert( acc.nChar>0 ); + assert( acc.nChar>0 || acc.accError ); sqlite3_str_append(&acc, "\n", 1); } sqlite3StrAccumFinish(&acc); @@ -28806,7 +29560,7 @@ SQLITE_PRIVATE void sqlite3TreeViewWith(TreeView *pView, const With *pWith, u8 m char cSep = '('; int j; for(j=0; j<pCte->pCols->nExpr; j++){ - sqlite3_str_appendf(&x, "%c%s", cSep, pCte->pCols->a[j].zName); + sqlite3_str_appendf(&x, "%c%s", cSep, pCte->pCols->a[j].zEName); cSep = ','; } sqlite3_str_appendf(&x, ")"); @@ -28831,15 +29585,15 @@ SQLITE_PRIVATE void sqlite3TreeViewSrcList(TreeView *pView, const SrcList *pSrc) StrAccum x; char zLine[100]; sqlite3StrAccumInit(&x, 0, zLine, sizeof(zLine), 0); - sqlite3_str_appendf(&x, "{%d,*}", pItem->iCursor); + sqlite3_str_appendf(&x, "{%d:*}", pItem->iCursor); if( pItem->zDatabase ){ sqlite3_str_appendf(&x, " %s.%s", pItem->zDatabase, pItem->zName); }else if( pItem->zName ){ sqlite3_str_appendf(&x, " %s", pItem->zName); } if( pItem->pTab ){ - sqlite3_str_appendf(&x, " tab=%Q nCol=%d ptr=%p", - pItem->pTab->zName, pItem->pTab->nCol, pItem->pTab); + sqlite3_str_appendf(&x, " tab=%Q nCol=%d ptr=%p used=%llx", + pItem->pTab->zName, pItem->pTab->nCol, pItem->pTab, pItem->colUsed); } if( pItem->zAlias ){ sqlite3_str_appendf(&x, " (AS %s)", pItem->zAlias); @@ -28847,8 +29601,11 @@ SQLITE_PRIVATE void sqlite3TreeViewSrcList(TreeView *pView, const SrcList *pSrc) if( pItem->fg.jointype & JT_LEFT ){ sqlite3_str_appendf(&x, " LEFT-JOIN"); } + if( pItem->fg.fromDDL ){ + sqlite3_str_appendf(&x, " DDL"); + } sqlite3StrAccumFinish(&x); - sqlite3TreeViewItem(pView, zLine, i<pSrc->nSrc-1); + sqlite3TreeViewItem(pView, zLine, i<pSrc->nSrc-1); if( pItem->pSelect ){ sqlite3TreeViewSelect(pView, pItem->pSelect, 0); } @@ -28868,7 +29625,7 @@ SQLITE_PRIVATE void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 m if( p==0 ){ sqlite3TreeViewLine(pView, "nil-SELECT"); return; - } + } pView = sqlite3TreeViewPush(pView, moreToFollow); if( p->pWith ){ sqlite3TreeViewWith(pView, p->pWith, 1); @@ -29095,22 +29852,28 @@ SQLITE_PRIVATE void sqlite3TreeViewWinFunc(TreeView *pView, const Window *pWin, SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 moreToFollow){ const char *zBinOp = 0; /* Binary operator */ const char *zUniOp = 0; /* Unary operator */ - char zFlgs[60]; + char zFlgs[200]; pView = sqlite3TreeViewPush(pView, moreToFollow); if( pExpr==0 ){ sqlite3TreeViewLine(pView, "nil"); sqlite3TreeViewPop(pView); return; } - if( pExpr->flags || pExpr->affExpr ){ + if( pExpr->flags || pExpr->affExpr || pExpr->vvaFlags ){ + StrAccum x; + sqlite3StrAccumInit(&x, 0, zFlgs, sizeof(zFlgs), 0); + sqlite3_str_appendf(&x, " fg.af=%x.%c", + pExpr->flags, pExpr->affExpr ? pExpr->affExpr : 'n'); if( ExprHasProperty(pExpr, EP_FromJoin) ){ - sqlite3_snprintf(sizeof(zFlgs),zFlgs," fg.af=%x.%c iRJT=%d", - pExpr->flags, pExpr->affExpr ? pExpr->affExpr : 'n', - pExpr->iRightJoinTable); - }else{ - sqlite3_snprintf(sizeof(zFlgs),zFlgs," fg.af=%x.%c", - pExpr->flags, pExpr->affExpr ? pExpr->affExpr : 'n'); + sqlite3_str_appendf(&x, " iRJT=%d", pExpr->iRightJoinTable); + } + if( ExprHasProperty(pExpr, EP_FromDDL) ){ + sqlite3_str_appendf(&x, " DDL"); + } + if( ExprHasVVAProperty(pExpr, EP_Immutable) ){ + sqlite3_str_appendf(&x, " IMMUTABLE"); } + sqlite3StrAccumFinish(&x); }else{ zFlgs[0] = 0; } @@ -29123,10 +29886,18 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m case TK_COLUMN: { if( pExpr->iTable<0 ){ /* This only happens when coding check constraints */ - sqlite3TreeViewLine(pView, "COLUMN(%d)%s", pExpr->iColumn, zFlgs); + char zOp2[16]; + if( pExpr->op2 ){ + sqlite3_snprintf(sizeof(zOp2),zOp2," op2=0x%02x",pExpr->op2); + }else{ + zOp2[0] = 0; + } + sqlite3TreeViewLine(pView, "COLUMN(%d)%s%s", + pExpr->iColumn, zFlgs, zOp2); }else{ - sqlite3TreeViewLine(pView, "{%d:%d}%s", - pExpr->iTable, pExpr->iColumn, zFlgs); + sqlite3TreeViewLine(pView, "{%d:%d} pTab=%p%s", + pExpr->iTable, pExpr->iColumn, + pExpr->y.pTab, zFlgs); } if( ExprHasProperty(pExpr, EP_FixedCol) ){ sqlite3TreeViewExpr(pView, pExpr->pLeft, 0); @@ -29208,6 +29979,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m case TK_RSHIFT: zBinOp = "RSHIFT"; break; case TK_CONCAT: zBinOp = "CONCAT"; break; case TK_DOT: zBinOp = "DOT"; break; + case TK_LIMIT: zBinOp = "LIMIT"; break; case TK_UMINUS: zUniOp = "UMINUS"; break; case TK_UPLUS: zUniOp = "UPLUS"; break; @@ -29258,14 +30030,27 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m }else{ pFarg = pExpr->x.pList; #ifndef SQLITE_OMIT_WINDOWFUNC - pWin = pExpr->y.pWin; + pWin = ExprHasProperty(pExpr, EP_WinFunc) ? pExpr->y.pWin : 0; #else pWin = 0; -#endif +#endif } if( pExpr->op==TK_AGG_FUNCTION ){ - sqlite3TreeViewLine(pView, "AGG_FUNCTION%d %Q%s", - pExpr->op2, pExpr->u.zToken, zFlgs); + sqlite3TreeViewLine(pView, "AGG_FUNCTION%d %Q%s agg=%d[%d]/%p", + pExpr->op2, pExpr->u.zToken, zFlgs, + pExpr->pAggInfo ? pExpr->pAggInfo->selId : 0, + pExpr->iAgg, pExpr->pAggInfo); + }else if( pExpr->op2!=0 ){ + const char *zOp2; + char zBuf[8]; + sqlite3_snprintf(sizeof(zBuf),zBuf,"0x%02x",pExpr->op2); + zOp2 = zBuf; + if( pExpr->op2==NC_IsCheck ) zOp2 = "NC_IsCheck"; + if( pExpr->op2==NC_IdxExpr ) zOp2 = "NC_IdxExpr"; + if( pExpr->op2==NC_PartIdx ) zOp2 = "NC_PartIdx"; + if( pExpr->op2==NC_GenCol ) zOp2 = "NC_GenCol"; + sqlite3TreeViewLine(pView, "FUNCTION %Q%s op2=%s", + pExpr->u.zToken, zFlgs, zOp2); }else{ sqlite3TreeViewLine(pView, "FUNCTION %Q%s", pExpr->u.zToken, zFlgs); } @@ -29286,7 +30071,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m break; } case TK_SELECT: { - sqlite3TreeViewLine(pView, "SELECT-expr flags=0x%x", pExpr->flags); + sqlite3TreeViewLine(pView, "subquery-expr flags=0x%x", pExpr->flags); sqlite3TreeViewSelect(pView, pExpr->x.pSelect, 0); break; } @@ -29331,7 +30116,7 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m ** is set to the column of the pseudo-table to read, or to -1 to ** read the rowid field. */ - sqlite3TreeViewLine(pView, "%s(%d)", + sqlite3TreeViewLine(pView, "%s(%d)", pExpr->iTable ? "NEW" : "OLD", pExpr->iColumn); break; } @@ -29361,7 +30146,9 @@ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 m break; } case TK_VECTOR: { - sqlite3TreeViewBareExprList(pView, pExpr->x.pList, "VECTOR"); + char *z = sqlite3_mprintf("VECTOR%s",zFlgs); + sqlite3TreeViewBareExprList(pView, pExpr->x.pList, z); + sqlite3_free(z); break; } case TK_SELECT_COLUMN: { @@ -29407,8 +30194,9 @@ SQLITE_PRIVATE void sqlite3TreeViewBareExprList( sqlite3TreeViewLine(pView, "%s", zLabel); for(i=0; i<pList->nExpr; i++){ int j = pList->a[i].u.x.iOrderByCol; - char *zName = pList->a[i].zName; + char *zName = pList->a[i].zEName; int moreToFollow = i<pList->nExpr - 1; + if( pList->a[i].eEName!=ENAME_NAME ) zName = 0; if( j || zName ){ sqlite3TreeViewPush(pView, moreToFollow); moreToFollow = 0; @@ -29650,13 +30438,13 @@ SQLITE_PRIVATE int sqlite3ThreadCreate( memset(p, 0, sizeof(*p)); p->xTask = xTask; p->pIn = pIn; - /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a + /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a ** function that returns SQLITE_ERROR when passed the argument 200, that - ** forces worker threads to run sequentially and deterministically + ** forces worker threads to run sequentially and deterministically ** for testing purposes. */ if( sqlite3FaultSim(200) ){ rc = 1; - }else{ + }else{ rc = pthread_create(&p->tid, 0, xTask, pIn); } if( rc ){ @@ -29738,9 +30526,9 @@ SQLITE_PRIVATE int sqlite3ThreadCreate( *ppThread = 0; p = sqlite3Malloc(sizeof(*p)); if( p==0 ) return SQLITE_NOMEM_BKPT; - /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a + /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a ** function that returns SQLITE_ERROR when passed the argument 200, that - ** forces worker threads to run sequentially and deterministically + ** forces worker threads to run sequentially and deterministically ** (via the sqlite3FaultSim() term of the conditional) for testing ** purposes. */ if( sqlite3GlobalConfig.bCoreMutex==0 || sqlite3FaultSim(200) ){ @@ -29869,7 +30657,7 @@ SQLITE_PRIVATE int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){ ** May you share freely, never taking more than you give. ** ************************************************************************* -** This file contains routines used to translate between UTF-8, +** This file contains routines used to translate between UTF-8, ** UTF-16, UTF-16BE, and UTF-16LE. ** ** Notes on UTF-8: @@ -29965,26 +30753,6 @@ static const unsigned char sqlite3Utf8Trans1[] = { } \ } -#define READ_UTF16LE(zIn, TERM, c){ \ - c = (*zIn++); \ - c += ((*zIn++)<<8); \ - if( c>=0xD800 && c<0xE000 && TERM ){ \ - int c2 = (*zIn++); \ - c2 += ((*zIn++)<<8); \ - c = (c2&0x03FF) + ((c&0x003F)<<10) + (((c&0x03C0)+0x0040)<<10); \ - } \ -} - -#define READ_UTF16BE(zIn, TERM, c){ \ - c = ((*zIn++)<<8); \ - c += (*zIn++); \ - if( c>=0xD800 && c<0xE000 && TERM ){ \ - int c2 = ((*zIn++)<<8); \ - c2 += (*zIn++); \ - c = (c2&0x03FF) + ((c&0x003F)<<10) + (((c&0x03C0)+0x0040)<<10); \ - } \ -} - /* ** Translate a single UTF-8 character. Return the unicode value. ** @@ -30050,7 +30818,7 @@ SQLITE_PRIVATE u32 sqlite3Utf8Read( /* ** If the TRANSLATE_TRACE macro is defined, the value of each Mem is ** printed on stderr on the way into and out of sqlite3VdbeMemTranslate(). -*/ +*/ /* #define TRANSLATE_TRACE 1 */ #ifndef SQLITE_OMIT_UTF16 @@ -30075,13 +30843,15 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desired #if defined(TRANSLATE_TRACE) && defined(SQLITE_DEBUG) { - char zBuf[100]; - sqlite3VdbeMemPrettyPrint(pMem, zBuf); - fprintf(stderr, "INPUT: %s\n", zBuf); + StrAccum acc; + char zBuf[1000]; + sqlite3StrAccumInit(&acc, 0, zBuf, sizeof(zBuf), 0); + sqlite3VdbeMemPrettyPrint(pMem, &acc); + fprintf(stderr, "INPUT: %s\n", sqlite3StrAccumFinish(&acc)); } #endif - /* If the translation is between UTF-16 little and big endian, then + /* If the translation is between UTF-16 little and big endian, then ** all that is required is to swap the byte order. This case is handled ** differently from the others. */ @@ -30159,13 +30929,59 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desired if( pMem->enc==SQLITE_UTF16LE ){ /* UTF-16 Little-endian -> UTF-8 */ while( zIn<zTerm ){ - READ_UTF16LE(zIn, zIn<zTerm, c); + c = *(zIn++); + c += (*(zIn++))<<8; + if( c>=0xd800 && c<0xe000 ){ +#ifdef SQLITE_REPLACE_INVALID_UTF + if( c>=0xdc00 || zIn>=zTerm ){ + c = 0xfffd; + }else{ + int c2 = *(zIn++); + c2 += (*(zIn++))<<8; + if( c2<0xdc00 || c2>=0xe000 ){ + zIn -= 2; + c = 0xfffd; + }else{ + c = ((c&0x3ff)<<10) + (c2&0x3ff) + 0x10000; + } + } +#else + if( zIn<zTerm ){ + int c2 = (*zIn++); + c2 += ((*zIn++)<<8); + c = (c2&0x03FF) + ((c&0x003F)<<10) + (((c&0x03C0)+0x0040)<<10); + } +#endif + } WRITE_UTF8(z, c); } }else{ /* UTF-16 Big-endian -> UTF-8 */ while( zIn<zTerm ){ - READ_UTF16BE(zIn, zIn<zTerm, c); + c = (*(zIn++))<<8; + c += *(zIn++); + if( c>=0xd800 && c<0xe000 ){ +#ifdef SQLITE_REPLACE_INVALID_UTF + if( c>=0xdc00 || zIn>=zTerm ){ + c = 0xfffd; + }else{ + int c2 = (*(zIn++))<<8; + c2 += *(zIn++); + if( c2<0xdc00 || c2>=0xe000 ){ + zIn -= 2; + c = 0xfffd; + }else{ + c = ((c&0x3ff)<<10) + (c2&0x3ff) + 0x10000; + } + } +#else + if( zIn<zTerm ){ + int c2 = ((*zIn++)<<8); + c2 += (*zIn++); + c = (c2&0x03FF) + ((c&0x003F)<<10) + (((c&0x03C0)+0x0040)<<10); + } +#endif + } WRITE_UTF8(z, c); } } @@ -30174,9 +30990,9 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desired *z = 0; assert( (pMem->n+(desiredEnc==SQLITE_UTF8?1:2))<=len ); - c = pMem->flags; + c = MEM_Str|MEM_Term|(pMem->flags&(MEM_AffMask|MEM_Subtype)); sqlite3VdbeMemRelease(pMem); - pMem->flags = MEM_Str|MEM_Term|(c&(MEM_AffMask|MEM_Subtype)); + pMem->flags = c; pMem->enc = desiredEnc; pMem->z = (char*)zOut; pMem->zMalloc = pMem->z; @@ -30185,9 +31001,11 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3VdbeMemTranslate(Mem *pMem, u8 desired translate_out: #if defined(TRANSLATE_TRACE) && defined(SQLITE_DEBUG) { - char zBuf[100]; - sqlite3VdbeMemPrettyPrint(pMem, zBuf); - fprintf(stderr, "OUTPUT: %s\n", zBuf); + StrAccum acc; + char zBuf[1000]; + sqlite3StrAccumInit(&acc, 0, zBuf, sizeof(zBuf), 0); + sqlite3VdbeMemPrettyPrint(pMem, &acc); + fprintf(stderr, "OUTPUT: %s\n", sqlite3StrAccumFinish(&acc)); } #endif return SQLITE_OK; @@ -30196,7 +31014,7 @@ translate_out: #ifndef SQLITE_OMIT_UTF16 /* -** This routine checks for a byte-order mark at the beginning of the +** This routine checks for a byte-order mark at the beginning of the ** UTF-16 string stored in *pMem. If one is present, it is removed and ** the encoding of the Mem adjusted. This routine does not do any ** byte-swapping, it just sets Mem.enc appropriately. @@ -30219,7 +31037,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemHandleBom(Mem *pMem){ bom = SQLITE_UTF16LE; } } - + if( bom ){ rc = sqlite3VdbeMemMakeWriteable(pMem); if( rc==SQLITE_OK ){ @@ -30239,7 +31057,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemHandleBom(Mem *pMem){ ** pZ is a UTF-8 encoded unicode string. If nByte is less than zero, ** return the number of unicode characters in pZ up to (but not including) ** the first 0x00 byte. If nByte is not less than zero, return the -** number of unicode characters in the first nByte of pZ (or up to +** number of unicode characters in the first nByte of pZ (or up to ** the first 0x00, whichever comes first). */ SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *zIn, int nByte){ @@ -30259,7 +31077,7 @@ SQLITE_PRIVATE int sqlite3Utf8CharLen(const char *zIn, int nByte){ return r; } -/* This test function is not currently used by the automated test-suite. +/* This test function is not currently used by the automated test-suite. ** Hence it is only available in debug builds. */ #if defined(SQLITE_TEST) && defined(SQLITE_DEBUG) @@ -30321,19 +31139,16 @@ SQLITE_PRIVATE int sqlite3Utf16ByteLen(const void *zIn, int nChar){ int c; unsigned char const *z = zIn; int n = 0; - - if( SQLITE_UTF16NATIVE==SQLITE_UTF16BE ){ - while( n<nChar ){ - READ_UTF16BE(z, 1, c); - n++; - } - }else{ - while( n<nChar ){ - READ_UTF16LE(z, 1, c); - n++; - } + + if( SQLITE_UTF16NATIVE==SQLITE_UTF16LE ) z++; + while( n<nChar ){ + c = z[0]; + z += 2; + if( c>=0xd8 && c<0xdc && z[0]>=0xdc && z[0]<0xe0 ) z += 2; + n++; } - return (int)(z-(unsigned char const *)zIn); + return (int)(z-(unsigned char const *)zIn) + - (SQLITE_UTF16NATIVE==SQLITE_UTF16LE); } #if defined(SQLITE_TEST) @@ -30363,30 +31178,6 @@ SQLITE_PRIVATE void sqlite3UtfSelfTest(void){ assert( c==t ); assert( (z-zBuf)==n ); } - for(i=0; i<0x00110000; i++){ - if( i>=0xD800 && i<0xE000 ) continue; - z = zBuf; - WRITE_UTF16LE(z, i); - n = (int)(z-zBuf); - assert( n>0 && n<=4 ); - z[0] = 0; - z = zBuf; - READ_UTF16LE(z, 1, c); - assert( c==i ); - assert( (z-zBuf)==n ); - } - for(i=0; i<0x00110000; i++){ - if( i>=0xD800 && i<0xE000 ) continue; - z = zBuf; - WRITE_UTF16BE(z, i); - n = (int)(z-zBuf); - assert( n>0 && n<=4 ); - z[0] = 0; - z = zBuf; - READ_UTF16BE(z, 1, c); - assert( c==i ); - assert( (z-zBuf)==n ); - } } #endif /* SQLITE_TEST */ #endif /* SQLITE_OMIT_UTF16 */ @@ -30412,7 +31203,9 @@ SQLITE_PRIVATE void sqlite3UtfSelfTest(void){ */ /* #include "sqliteInt.h" */ /* #include <stdarg.h> */ +#ifndef SQLITE_OMIT_FLOATING_POINT #include <math.h> +#endif /* ** Routine needed to support the testcase() macro. @@ -30426,7 +31219,7 @@ SQLITE_PRIVATE void sqlite3Coverage(int x){ /* ** Calls to sqlite3FaultSim() are used to simulate a failure during testing, -** or to bypass normal error detection during testing in order to let +** or to bypass normal error detection during testing in order to let ** execute proceed futher downstream. ** ** In deployment, sqlite3FaultSim() *always* return SQLITE_OK (0). The @@ -30475,7 +31268,7 @@ SQLITE_PRIVATE int sqlite3Strlen30(const char *z){ } /* -** Return the declared type of a column. Or return zDflt if the column +** Return the declared type of a column. Or return zDflt if the column ** has no declared type. ** ** The column type is an extra string stored after the zero-terminator on @@ -30587,6 +31380,7 @@ SQLITE_PRIVATE void sqlite3ErrorMsg(Parse *pParse, const char *zFormat, ...){ sqlite3DbFree(db, pParse->zErrMsg); pParse->zErrMsg = zMsg; pParse->rc = SQLITE_ERROR; + pParse->pWith = 0; } } @@ -30710,6 +31504,19 @@ SQLITE_API int sqlite3_strnicmp(const char *zLeft, const char *zRight, int N){ } /* +** Compute an 8-bit hash on a string that is insensitive to case differences +*/ +SQLITE_PRIVATE u8 sqlite3StrIHash(const char *z){ + u8 h = 0; + if( z==0 ) return 0; + while( z[0] ){ + h += UpperToLower[(unsigned char)z[0]]; + z++; + } + return h; +} + +/* ** Compute 10 to the E-th power. Examples: E==1 results in 10. ** E==2 results in 100. E==50 results in 1.0e50. ** @@ -30744,7 +31551,7 @@ static LONGDOUBLE_TYPE sqlite3Pow10(int E){ if( E==0 ) break; x *= x; } - return r; + return r; #endif } @@ -30761,7 +31568,7 @@ static LONGDOUBLE_TYPE sqlite3Pow10(int E){ ** 1 => The input string is a pure integer ** 2 or more => The input has a decimal point or eNNN clause ** 0 or less => The input string is not a valid number -** -1 => Not a valid number, but has a valid prefix which +** -1 => Not a valid number, but has a valid prefix which ** includes a decimal point and/or an eNNN clause ** ** Valid numbers are in one of these formats: @@ -30777,10 +31584,13 @@ static LONGDOUBLE_TYPE sqlite3Pow10(int E){ ** returns FALSE but it still converts the prefix and writes the result ** into *pResult. */ +#if defined(_MSC_VER) +#pragma warning(disable : 4756) +#endif SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 enc){ #ifndef SQLITE_OMIT_FLOATING_POINT int incr; - const char *zEnd = z + length; + const char *zEnd; /* sign * significand * (10 ^ (esign * exponent)) */ int sign = 1; /* sign of significand */ i64 s = 0; /* significand */ @@ -30794,12 +31604,15 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en assert( enc==SQLITE_UTF8 || enc==SQLITE_UTF16LE || enc==SQLITE_UTF16BE ); *pResult = 0.0; /* Default return value, in case of an error */ + if( length==0 ) return 0; if( enc==SQLITE_UTF8 ){ incr = 1; + zEnd = z + length; }else{ int i; incr = 2; + length &= ~1; assert( SQLITE_UTF16LE==2 && SQLITE_UTF16BE==3 ); testcase( enc==SQLITE_UTF16LE ); testcase( enc==SQLITE_UTF16BE ); @@ -30856,7 +31669,7 @@ SQLITE_PRIVATE int sqlite3AtoF(const char *z, double *pResult, int length, u8 en eValid = 0; eType++; - /* This branch is needed to avoid a (harmless) buffer overread. The + /* This branch is needed to avoid a (harmless) buffer overread. The ** special comment alerts the mutation tester that the correct answer ** is obtained even if the branch is omitted */ if( z>=zEnd ) goto do_atof_calc; /*PREVENTS-HARMLESS-OVERREAD*/ @@ -30964,6 +31777,33 @@ do_atof_calc: return !sqlite3Atoi64(z, pResult, length, enc); #endif /* SQLITE_OMIT_FLOATING_POINT */ } +#if defined(_MSC_VER) +#pragma warning(default : 4756) +#endif + +/* +** Render an signed 64-bit integer as text. Store the result in zOut[]. +** +** The caller must ensure that zOut[] is at least 21 bytes in size. +*/ +SQLITE_PRIVATE void sqlite3Int64ToText(i64 v, char *zOut){ + int i; + u64 x; + char zTemp[22]; + if( v<0 ){ + x = (v==SMALLEST_INT64) ? ((u64)1)<<63 : (u64)-v; + }else{ + x = v; + } + i = sizeof(zTemp)-2; + zTemp[sizeof(zTemp)-1] = 0; + do{ + zTemp[i--] = (x%10) + '0'; + x = x/10; + }while( x ); + if( v<0 ) zTemp[i--] = '-'; + memcpy(zOut, &zTemp[i+1], sizeof(zTemp)-1-i); +} /* ** Compare the 19-character string zNum against the text representation @@ -31205,11 +32045,29 @@ SQLITE_PRIVATE int sqlite3GetInt32(const char *zNum, int *pValue){ */ SQLITE_PRIVATE int sqlite3Atoi(const char *z){ int x = 0; - if( z ) sqlite3GetInt32(z, &x); + sqlite3GetInt32(z, &x); return x; } /* +** Try to convert z into an unsigned 32-bit integer. Return true on +** success and false if there is an error. +** +** Only decimal notation is accepted. +*/ +SQLITE_PRIVATE int sqlite3GetUInt32(const char *z, u32 *pI){ + u64 v = 0; + int i; + for(i=0; sqlite3Isdigit(z[i]); i++){ + v = v*10 + z[i] - '0'; + if( v>4294967296LL ){ *pI = 0; return 0; } + } + if( i==0 || z[i]!=0 ){ *pI = 0; return 0; } + *pI = (u32)v; + return 1; +} + +/* ** The variable-length integer encoding is as follows: ** ** KEY: @@ -31249,7 +32107,7 @@ static int SQLITE_NOINLINE putVarint64(unsigned char *p, u64 v){ v >>= 7; } return 9; - } + } n = 0; do{ buf[n++] = (u8)((v & 0x7f) | 0x80); @@ -31449,8 +32307,8 @@ SQLITE_PRIVATE u8 sqlite3GetVarint(const unsigned char *p, u64 *v){ ** If the varint stored in p[0] is larger than can fit in a 32-bit unsigned ** integer, then set *v to 0xffffffff. ** -** A MACRO version, getVarint32, is provided which inlines the -** single-byte case. All code should use the MACRO version as +** A MACRO version, getVarint32, is provided which inlines the +** single-byte case. All code should use the MACRO version as ** this function assumes the single-byte case has already been handled. */ SQLITE_PRIVATE u8 sqlite3GetVarint32(const unsigned char *p, u32 *v){ @@ -31511,8 +32369,7 @@ SQLITE_PRIVATE u8 sqlite3GetVarint32(const unsigned char *p, u32 *v){ u64 v64; u8 n; - p -= 2; - n = sqlite3GetVarint(p, &v64); + n = sqlite3GetVarint(p-2, &v64); assert( n>3 && n<=9 ); if( (v64 & SQLITE_MAX_U32)!=v64 ){ *v = 0xffffffff; @@ -31639,7 +32496,7 @@ SQLITE_PRIVATE u8 sqlite3HexToInt(int h){ return (u8)(h & 0xf); } -#if !defined(SQLITE_OMIT_BLOB_LITERAL) || defined(SQLITE_HAS_CODEC) +#if !defined(SQLITE_OMIT_BLOB_LITERAL) /* ** Convert a BLOB literal of the form "x'hhhhhh'" into its binary ** value. Return a pointer to its binary value. Space to hold the @@ -31660,7 +32517,7 @@ SQLITE_PRIVATE void *sqlite3HexToBlob(sqlite3 *db, const char *z, int n){ } return zBlob; } -#endif /* !SQLITE_OMIT_BLOB_LITERAL || SQLITE_HAS_CODEC */ +#endif /* !SQLITE_OMIT_BLOB_LITERAL */ /* ** Log an error that is an API call on a connection pointer that should @@ -31668,7 +32525,7 @@ SQLITE_PRIVATE void *sqlite3HexToBlob(sqlite3 *db, const char *z, int n){ ** argument. The zType is a word like "NULL" or "closed" or "invalid". */ static void logBadConnection(const char *zType){ - sqlite3_log(SQLITE_MISUSE, + sqlite3_log(SQLITE_MISUSE, "API call with %s database connection pointer", zType ); @@ -31742,7 +32599,7 @@ SQLITE_PRIVATE int sqlite3AddInt64(i64 *pA, i64 iB){ if( iA<0 && -(iA + LARGEST_INT64) > iB + 1 ) return 1; } *pA += iB; - return 0; + return 0; #endif } SQLITE_PRIVATE int sqlite3SubInt64(i64 *pA, i64 iB){ @@ -31783,7 +32640,7 @@ SQLITE_PRIVATE int sqlite3MulInt64(i64 *pA, i64 iB){ } /* -** Compute the absolute value of a 32-bit signed integer, of possible. Or +** Compute the absolute value of a 32-bit signed integer, of possible. Or ** if the integer has a value of -2147483648, return +2147483647 */ SQLITE_PRIVATE int sqlite3AbsInt32(int x){ @@ -31823,11 +32680,11 @@ SQLITE_PRIVATE void sqlite3FileSuffix3(const char *zBaseFilename, char *z){ } #endif -/* +/* ** Find (an approximate) sum of two LogEst values. This computation is ** not a simple "+" operator because LogEst is stored as a logarithmic ** value. -** +** */ SQLITE_PRIVATE LogEst sqlite3LogEstAdd(LogEst a, LogEst b){ static const unsigned char x[] = { @@ -31941,8 +32798,8 @@ SQLITE_PRIVATE u64 sqlite3LogEstToInt(LogEst x){ ** Conceptually: ** ** struct VList { -** int nAlloc; // Number of allocated slots -** int nUsed; // Number of used slots +** int nAlloc; // Number of allocated slots +** int nUsed; // Number of used slots ** struct VListEntry { ** int iValue; // Value for this entry ** int nSlot; // Slots used by this entry @@ -31951,7 +32808,7 @@ SQLITE_PRIVATE u64 sqlite3LogEstToInt(LogEst x){ ** } ** ** During code generation, pointers to the variable names within the -** VList are taken. When that happens, nAlloc is set to zero as an +** VList are taken. When that happens, nAlloc is set to zero as an ** indication that the VList may never again be enlarged, since the ** accompanying realloc() would invalidate the pointers. */ @@ -32142,7 +32999,7 @@ static int rehash(Hash *pH, unsigned int new_size){ /* The inability to allocates space for a larger hash table is ** a performance hit but it is not a fatal error. So mark the - ** allocation as a benign. Use sqlite3Malloc()/memset(0) instead of + ** allocation as a benign. Use sqlite3Malloc()/memset(0) instead of ** sqlite3MallocZero() to make the allocation, as sqlite3MallocZero() ** only zeroes the requested number of bytes whereas this module will ** use the actual amount of space allocated for the hash table (which @@ -32194,7 +33051,7 @@ static HashElem *findElementWithHash( if( pHash ) *pHash = h; while( count-- ){ assert( elem!=0 ); - if( sqlite3StrICmp(elem->pKey,pKey)==0 ){ + if( sqlite3StrICmp(elem->pKey,pKey)==0 ){ return elem; } elem = elem->next; @@ -32212,7 +33069,7 @@ static void removeElementGivenHash( ){ struct _ht *pEntry; if( elem->prev ){ - elem->prev->next = elem->next; + elem->prev->next = elem->next; }else{ pH->first = elem->next; } @@ -32334,30 +33191,30 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* 23 */ "SeekLE" OpHelp("key=r[P3@P4]"), /* 24 */ "SeekGE" OpHelp("key=r[P3@P4]"), /* 25 */ "SeekGT" OpHelp("key=r[P3@P4]"), - /* 26 */ "IfNoHope" OpHelp("key=r[P3@P4]"), - /* 27 */ "NoConflict" OpHelp("key=r[P3@P4]"), - /* 28 */ "NotFound" OpHelp("key=r[P3@P4]"), - /* 29 */ "Found" OpHelp("key=r[P3@P4]"), - /* 30 */ "SeekRowid" OpHelp("intkey=r[P3]"), - /* 31 */ "NotExists" OpHelp("intkey=r[P3]"), - /* 32 */ "Last" OpHelp(""), - /* 33 */ "IfSmaller" OpHelp(""), - /* 34 */ "SorterSort" OpHelp(""), - /* 35 */ "Sort" OpHelp(""), - /* 36 */ "Rewind" OpHelp(""), - /* 37 */ "IdxLE" OpHelp("key=r[P3@P4]"), - /* 38 */ "IdxGT" OpHelp("key=r[P3@P4]"), - /* 39 */ "IdxLT" OpHelp("key=r[P3@P4]"), - /* 40 */ "IdxGE" OpHelp("key=r[P3@P4]"), - /* 41 */ "RowSetRead" OpHelp("r[P3]=rowset(P1)"), - /* 42 */ "RowSetTest" OpHelp("if r[P3] in rowset(P1) goto P2"), + /* 26 */ "IfNotOpen" OpHelp("if( !csr[P1] ) goto P2"), + /* 27 */ "IfNoHope" OpHelp("key=r[P3@P4]"), + /* 28 */ "NoConflict" OpHelp("key=r[P3@P4]"), + /* 29 */ "NotFound" OpHelp("key=r[P3@P4]"), + /* 30 */ "Found" OpHelp("key=r[P3@P4]"), + /* 31 */ "SeekRowid" OpHelp("intkey=r[P3]"), + /* 32 */ "NotExists" OpHelp("intkey=r[P3]"), + /* 33 */ "Last" OpHelp(""), + /* 34 */ "IfSmaller" OpHelp(""), + /* 35 */ "SorterSort" OpHelp(""), + /* 36 */ "Sort" OpHelp(""), + /* 37 */ "Rewind" OpHelp(""), + /* 38 */ "IdxLE" OpHelp("key=r[P3@P4]"), + /* 39 */ "IdxGT" OpHelp("key=r[P3@P4]"), + /* 40 */ "IdxLT" OpHelp("key=r[P3@P4]"), + /* 41 */ "IdxGE" OpHelp("key=r[P3@P4]"), + /* 42 */ "RowSetRead" OpHelp("r[P3]=rowset(P1)"), /* 43 */ "Or" OpHelp("r[P3]=(r[P1] || r[P2])"), /* 44 */ "And" OpHelp("r[P3]=(r[P1] && r[P2])"), - /* 45 */ "Program" OpHelp(""), - /* 46 */ "FkIfZero" OpHelp("if fkctr[P1]==0 goto P2"), - /* 47 */ "IfPos" OpHelp("if r[P1]>0 then r[P1]-=P3, goto P2"), - /* 48 */ "IfNotZero" OpHelp("if r[P1]!=0 then r[P1]--, goto P2"), - /* 49 */ "DecrJumpZero" OpHelp("if (--r[P1])==0 goto P2"), + /* 45 */ "RowSetTest" OpHelp("if r[P3] in rowset(P1) goto P2"), + /* 46 */ "Program" OpHelp(""), + /* 47 */ "FkIfZero" OpHelp("if fkctr[P1]==0 goto P2"), + /* 48 */ "IfPos" OpHelp("if r[P1]>0 then r[P1]-=P3, goto P2"), + /* 49 */ "IfNotZero" OpHelp("if r[P1]!=0 then r[P1]--, goto P2"), /* 50 */ "IsNull" OpHelp("if r[P1]==NULL goto P2"), /* 51 */ "NotNull" OpHelp("if r[P1]!=NULL goto P2"), /* 52 */ "Ne" OpHelp("IF r[P3]!=r[P1]"), @@ -32367,83 +33224,83 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* 56 */ "Lt" OpHelp("IF r[P3]<r[P1]"), /* 57 */ "Ge" OpHelp("IF r[P3]>=r[P1]"), /* 58 */ "ElseNotEq" OpHelp(""), - /* 59 */ "IncrVacuum" OpHelp(""), - /* 60 */ "VNext" OpHelp(""), - /* 61 */ "Init" OpHelp("Start at P2"), - /* 62 */ "PureFunc0" OpHelp(""), - /* 63 */ "Function0" OpHelp("r[P3]=func(r[P2@P5])"), - /* 64 */ "PureFunc" OpHelp(""), - /* 65 */ "Function" OpHelp("r[P3]=func(r[P2@P5])"), - /* 66 */ "Return" OpHelp(""), - /* 67 */ "EndCoroutine" OpHelp(""), - /* 68 */ "HaltIfNull" OpHelp("if r[P3]=null halt"), - /* 69 */ "Halt" OpHelp(""), - /* 70 */ "Integer" OpHelp("r[P2]=P1"), - /* 71 */ "Int64" OpHelp("r[P2]=P4"), - /* 72 */ "String" OpHelp("r[P2]='P4' (len=P1)"), - /* 73 */ "Null" OpHelp("r[P2..P3]=NULL"), - /* 74 */ "SoftNull" OpHelp("r[P1]=NULL"), - /* 75 */ "Blob" OpHelp("r[P2]=P4 (len=P1)"), - /* 76 */ "Variable" OpHelp("r[P2]=parameter(P1,P4)"), - /* 77 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), - /* 78 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), - /* 79 */ "SCopy" OpHelp("r[P2]=r[P1]"), - /* 80 */ "IntCopy" OpHelp("r[P2]=r[P1]"), - /* 81 */ "ResultRow" OpHelp("output=r[P1@P2]"), - /* 82 */ "CollSeq" OpHelp(""), - /* 83 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), - /* 84 */ "RealAffinity" OpHelp(""), - /* 85 */ "Cast" OpHelp("affinity(r[P1])"), - /* 86 */ "Permutation" OpHelp(""), - /* 87 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), - /* 88 */ "IsTrue" OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"), - /* 89 */ "Offset" OpHelp("r[P3] = sqlite_offset(P1)"), - /* 90 */ "Column" OpHelp("r[P3]=PX"), - /* 91 */ "Affinity" OpHelp("affinity(r[P1@P2])"), - /* 92 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), - /* 93 */ "Count" OpHelp("r[P2]=count()"), - /* 94 */ "ReadCookie" OpHelp(""), - /* 95 */ "SetCookie" OpHelp(""), - /* 96 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), - /* 97 */ "OpenRead" OpHelp("root=P2 iDb=P3"), - /* 98 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), - /* 99 */ "BitAnd" OpHelp("r[P3]=r[P1]&r[P2]"), - /* 100 */ "BitOr" OpHelp("r[P3]=r[P1]|r[P2]"), - /* 101 */ "ShiftLeft" OpHelp("r[P3]=r[P2]<<r[P1]"), - /* 102 */ "ShiftRight" OpHelp("r[P3]=r[P2]>>r[P1]"), - /* 103 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), - /* 104 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), - /* 105 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), - /* 106 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), - /* 107 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), - /* 108 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), - /* 109 */ "OpenDup" OpHelp(""), - /* 110 */ "BitNot" OpHelp("r[P2]= ~r[P1]"), - /* 111 */ "OpenAutoindex" OpHelp("nColumn=P2"), - /* 112 */ "OpenEphemeral" OpHelp("nColumn=P2"), - /* 113 */ "String8" OpHelp("r[P2]='P4'"), - /* 114 */ "SorterOpen" OpHelp(""), - /* 115 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), - /* 116 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), - /* 117 */ "Close" OpHelp(""), - /* 118 */ "ColumnsUsed" OpHelp(""), - /* 119 */ "SeekHit" OpHelp("seekHit=P2"), - /* 120 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), - /* 121 */ "NewRowid" OpHelp("r[P2]=rowid"), - /* 122 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), - /* 123 */ "Delete" OpHelp(""), - /* 124 */ "ResetCount" OpHelp(""), - /* 125 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), - /* 126 */ "SorterData" OpHelp("r[P2]=data"), - /* 127 */ "RowData" OpHelp("r[P2]=data"), - /* 128 */ "Rowid" OpHelp("r[P2]=rowid"), - /* 129 */ "NullRow" OpHelp(""), - /* 130 */ "SeekEnd" OpHelp(""), + /* 59 */ "DecrJumpZero" OpHelp("if (--r[P1])==0 goto P2"), + /* 60 */ "IncrVacuum" OpHelp(""), + /* 61 */ "VNext" OpHelp(""), + /* 62 */ "Init" OpHelp("Start at P2"), + /* 63 */ "PureFunc" OpHelp("r[P3]=func(r[P2@NP])"), + /* 64 */ "Function" OpHelp("r[P3]=func(r[P2@NP])"), + /* 65 */ "Return" OpHelp(""), + /* 66 */ "EndCoroutine" OpHelp(""), + /* 67 */ "HaltIfNull" OpHelp("if r[P3]=null halt"), + /* 68 */ "Halt" OpHelp(""), + /* 69 */ "Integer" OpHelp("r[P2]=P1"), + /* 70 */ "Int64" OpHelp("r[P2]=P4"), + /* 71 */ "String" OpHelp("r[P2]='P4' (len=P1)"), + /* 72 */ "Null" OpHelp("r[P2..P3]=NULL"), + /* 73 */ "SoftNull" OpHelp("r[P1]=NULL"), + /* 74 */ "Blob" OpHelp("r[P2]=P4 (len=P1)"), + /* 75 */ "Variable" OpHelp("r[P2]=parameter(P1,P4)"), + /* 76 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), + /* 77 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), + /* 78 */ "SCopy" OpHelp("r[P2]=r[P1]"), + /* 79 */ "IntCopy" OpHelp("r[P2]=r[P1]"), + /* 80 */ "ResultRow" OpHelp("output=r[P1@P2]"), + /* 81 */ "CollSeq" OpHelp(""), + /* 82 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), + /* 83 */ "RealAffinity" OpHelp(""), + /* 84 */ "Cast" OpHelp("affinity(r[P1])"), + /* 85 */ "Permutation" OpHelp(""), + /* 86 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), + /* 87 */ "IsTrue" OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"), + /* 88 */ "Offset" OpHelp("r[P3] = sqlite_offset(P1)"), + /* 89 */ "Column" OpHelp("r[P3]=PX"), + /* 90 */ "Affinity" OpHelp("affinity(r[P1@P2])"), + /* 91 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), + /* 92 */ "Count" OpHelp("r[P2]=count()"), + /* 93 */ "ReadCookie" OpHelp(""), + /* 94 */ "SetCookie" OpHelp(""), + /* 95 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), + /* 96 */ "OpenRead" OpHelp("root=P2 iDb=P3"), + /* 97 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), + /* 98 */ "OpenDup" OpHelp(""), + /* 99 */ "OpenAutoindex" OpHelp("nColumn=P2"), + /* 100 */ "OpenEphemeral" OpHelp("nColumn=P2"), + /* 101 */ "BitAnd" OpHelp("r[P3]=r[P1]&r[P2]"), + /* 102 */ "BitOr" OpHelp("r[P3]=r[P1]|r[P2]"), + /* 103 */ "ShiftLeft" OpHelp("r[P3]=r[P2]<<r[P1]"), + /* 104 */ "ShiftRight" OpHelp("r[P3]=r[P2]>>r[P1]"), + /* 105 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), + /* 106 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), + /* 107 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), + /* 108 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), + /* 109 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), + /* 110 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), + /* 111 */ "SorterOpen" OpHelp(""), + /* 112 */ "BitNot" OpHelp("r[P2]= ~r[P1]"), + /* 113 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), + /* 114 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), + /* 115 */ "String8" OpHelp("r[P2]='P4'"), + /* 116 */ "Close" OpHelp(""), + /* 117 */ "ColumnsUsed" OpHelp(""), + /* 118 */ "SeekHit" OpHelp("seekHit=P2"), + /* 119 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), + /* 120 */ "NewRowid" OpHelp("r[P2]=rowid"), + /* 121 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), + /* 122 */ "Delete" OpHelp(""), + /* 123 */ "ResetCount" OpHelp(""), + /* 124 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), + /* 125 */ "SorterData" OpHelp("r[P2]=data"), + /* 126 */ "RowData" OpHelp("r[P2]=data"), + /* 127 */ "Rowid" OpHelp("r[P2]=rowid"), + /* 128 */ "NullRow" OpHelp(""), + /* 129 */ "SeekEnd" OpHelp(""), + /* 130 */ "IdxInsert" OpHelp("key=r[P2]"), /* 131 */ "SorterInsert" OpHelp("key=r[P2]"), - /* 132 */ "IdxInsert" OpHelp("key=r[P2]"), - /* 133 */ "IdxDelete" OpHelp("key=r[P2@P3]"), - /* 134 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), - /* 135 */ "IdxRowid" OpHelp("r[P2]=rowid"), + /* 132 */ "IdxDelete" OpHelp("key=r[P2@P3]"), + /* 133 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), + /* 134 */ "IdxRowid" OpHelp("r[P2]=rowid"), + /* 135 */ "FinishSeek" OpHelp(""), /* 136 */ "Destroy" OpHelp(""), /* 137 */ "Clear" OpHelp(""), /* 138 */ "ResetSorter" OpHelp(""), @@ -32456,9 +33313,9 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* 145 */ "DropTrigger" OpHelp(""), /* 146 */ "IntegrityCk" OpHelp(""), /* 147 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), - /* 148 */ "Real" OpHelp("r[P2]=P4"), - /* 149 */ "Param" OpHelp(""), - /* 150 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), + /* 148 */ "Param" OpHelp(""), + /* 149 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), + /* 150 */ "Real" OpHelp("r[P2]=P4"), /* 151 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), /* 152 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), /* 153 */ "AggInverse" OpHelp("accum=r[P3] inverse(r[P2@P5])"), @@ -32467,20 +33324,23 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ /* 156 */ "AggValue" OpHelp("r[P3]=value N=P2"), /* 157 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), /* 158 */ "Expire" OpHelp(""), - /* 159 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), - /* 160 */ "VBegin" OpHelp(""), - /* 161 */ "VCreate" OpHelp(""), - /* 162 */ "VDestroy" OpHelp(""), - /* 163 */ "VOpen" OpHelp(""), - /* 164 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), - /* 165 */ "VRename" OpHelp(""), - /* 166 */ "Pagecount" OpHelp(""), - /* 167 */ "MaxPgcnt" OpHelp(""), - /* 168 */ "Trace" OpHelp(""), - /* 169 */ "CursorHint" OpHelp(""), - /* 170 */ "Noop" OpHelp(""), - /* 171 */ "Explain" OpHelp(""), - /* 172 */ "Abortable" OpHelp(""), + /* 159 */ "CursorLock" OpHelp(""), + /* 160 */ "CursorUnlock" OpHelp(""), + /* 161 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), + /* 162 */ "VBegin" OpHelp(""), + /* 163 */ "VCreate" OpHelp(""), + /* 164 */ "VDestroy" OpHelp(""), + /* 165 */ "VOpen" OpHelp(""), + /* 166 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), + /* 167 */ "VRename" OpHelp(""), + /* 168 */ "Pagecount" OpHelp(""), + /* 169 */ "MaxPgcnt" OpHelp(""), + /* 170 */ "Trace" OpHelp(""), + /* 171 */ "CursorHint" OpHelp(""), + /* 172 */ "ReleaseReg" OpHelp("release r[P1@P2] mask P3"), + /* 173 */ "Noop" OpHelp(""), + /* 174 */ "Explain" OpHelp(""), + /* 175 */ "Abortable" OpHelp(""), }; return azName[i]; } @@ -32551,7 +33411,7 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ ** Styles 4, 5, and 7 are only available of SQLITE_ENABLE_LOCKING_STYLE ** is defined to 1. The SQLITE_ENABLE_LOCKING_STYLE also enables automatic ** selection of the appropriate locking style based on the filesystem -** where the database is located. +** where the database is located. */ #if !defined(SQLITE_ENABLE_LOCKING_STYLE) # if defined(__APPLE__) @@ -32677,7 +33537,7 @@ SQLITE_PRIVATE const char *sqlite3OpcodeName(int i){ #define osGetpid(X) (pid_t)getpid() /* -** Only set the lastErrno if the error code is a real error and not +** Only set the lastErrno if the error code is a real error and not ** a normal expected return code of SQLITE_BUSY or SQLITE_OK */ #define IS_LOCK_ERROR(x) ((x != SQLITE_OK) && (x != SQLITE_BUSY)) @@ -32745,7 +33605,7 @@ struct unixFile { ** whenever any part of the database changes. An assertion fault will ** occur if a file is updated without also updating the transaction ** counter. This test is made to avoid new problems similar to the - ** one described by ticket #3584. + ** one described by ticket #3584. */ unsigned char transCntrChng; /* True if the transaction counter changed */ unsigned char dbUpdate; /* True if any part of database file changed */ @@ -32754,7 +33614,7 @@ struct unixFile { #endif #ifdef SQLITE_TEST - /* In test mode, increase the size of this structure a bit so that + /* In test mode, increase the size of this structure a bit so that ** it is larger than the struct CrashFile defined in test6.c. */ char aPadding[32]; @@ -32844,7 +33704,7 @@ static pid_t randomnessPid = 0; ****************************************************************************** ** ** This file contains inline asm code for retrieving "high-performance" -** counters for x86 class CPUs. +** counters for x86 and x86_64 class CPUs. */ #ifndef SQLITE_HWTIME_H #define SQLITE_HWTIME_H @@ -32855,8 +33715,9 @@ static pid_t randomnessPid = 0; ** processor and returns that value. This can be used for high-res ** profiling. */ -#if (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) +#if !defined(__STRICT_ANSI__) && \ + (defined(__GNUC__) || defined(_MSC_VER)) && \ + (defined(i386) || defined(__i386__) || defined(_M_IX86)) #if defined(__GNUC__) @@ -32877,15 +33738,15 @@ static pid_t randomnessPid = 0; #endif -#elif (defined(__GNUC__) && defined(__x86_64__)) +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long val; __asm__ __volatile__ ("rdtsc" : "=A" (val)); return val; } - -#elif (defined(__GNUC__) && defined(__ppc__)) + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long long retval; @@ -32902,14 +33763,13 @@ static pid_t randomnessPid = 0; #else - #error Need implementation of sqlite3Hwtime() for your platform. - /* - ** To compile without implementing sqlite3Hwtime() for your platform, - ** you can remove the above #error and use the following - ** stub function. You will lose timing support for many - ** of the debugging and testing utilities, but it should at - ** least compile and run. + ** asm() is needed for hardware timing support. Without asm(), + ** disable the sqlite3Hwtime() routine. + ** + ** sqlite3Hwtime() is only used for some obscure debugging + ** and analysis configurations, not in any deliverable, so this + ** should not be a great loss. */ SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } @@ -33097,7 +33957,7 @@ static struct unix_syscall { #ifdef __DJGPP__ { "fstat", 0, 0 }, #define osFstat(a,b,c) 0 -#else +#else { "fstat", (sqlite3_syscall_ptr)fstat, 0 }, #define osFstat ((int(*)(int,struct stat*))aSyscall[5].pCurrent) #endif @@ -33335,7 +34195,7 @@ static const char *unixNextSystemCall(sqlite3_vfs *p, const char *zName){ /* ** Do not accept any file descriptor less than this value, in order to avoid -** opening database file using file descriptors that are commonly used for +** opening database file using file descriptors that are commonly used for ** standard input, output, and error. */ #ifndef SQLITE_MINIMUM_FILE_DESCRIPTOR @@ -33374,17 +34234,17 @@ static int robust_open(const char *z, int f, mode_t m){ } if( fd>=SQLITE_MINIMUM_FILE_DESCRIPTOR ) break; osClose(fd); - sqlite3_log(SQLITE_WARNING, + sqlite3_log(SQLITE_WARNING, "attempt to open \"%s\" as file descriptor %d", z, fd); fd = -1; - if( osOpen("/dev/null", f, m)<0 ) break; + if( osOpen("/dev/null", O_RDONLY, m)<0 ) break; } if( fd>=0 ){ if( m!=0 ){ struct stat statbuf; - if( osFstat(fd, &statbuf)==0 + if( osFstat(fd, &statbuf)==0 && statbuf.st_size==0 - && (statbuf.st_mode&0777)!=m + && (statbuf.st_mode&0777)!=m ){ osFchmod(fd, m); } @@ -33399,11 +34259,11 @@ static int robust_open(const char *z, int f, mode_t m){ /* ** Helper functions to obtain and relinquish the global mutex. The ** global mutex is used to protect the unixInodeInfo and -** vxworksFileId objects used by this file, all of which may be +** vxworksFileId objects used by this file, all of which may be ** shared by multiple threads. ** -** Function unixMutexHeld() is used to assert() that the global mutex -** is held when required. This function is only used as part of assert() +** Function unixMutexHeld() is used to assert() that the global mutex +** is held when required. This function is only used as part of assert() ** statements. e.g. ** ** unixEnterMutex() @@ -33525,7 +34385,7 @@ static int lockTrace(int fd, int op, struct flock *p){ static int robust_ftruncate(int h, sqlite3_int64 sz){ int rc; #ifdef __ANDROID__ - /* On Android, ftruncate() always uses 32-bit offsets, even if + /* On Android, ftruncate() always uses 32-bit offsets, even if ** _FILE_OFFSET_BITS=64 is defined. This means it is unsafe to attempt to ** truncate a file to any size larger than 2GiB. Silently ignore any ** such attempts. */ @@ -33541,32 +34401,32 @@ static int robust_ftruncate(int h, sqlite3_int64 sz){ ** This routine translates a standard POSIX errno code into something ** useful to the clients of the sqlite3 functions. Specifically, it is ** intended to translate a variety of "try again" errors into SQLITE_BUSY -** and a variety of "please close the file descriptor NOW" errors into +** and a variety of "please close the file descriptor NOW" errors into ** SQLITE_IOERR -** +** ** Errors during initialization of locks, or file system support for locks, ** should handle ENOLCK, ENOTSUP, EOPNOTSUPP separately. */ static int sqliteErrorFromPosixError(int posixError, int sqliteIOErr) { - assert( (sqliteIOErr == SQLITE_IOERR_LOCK) || - (sqliteIOErr == SQLITE_IOERR_UNLOCK) || + assert( (sqliteIOErr == SQLITE_IOERR_LOCK) || + (sqliteIOErr == SQLITE_IOERR_UNLOCK) || (sqliteIOErr == SQLITE_IOERR_RDLOCK) || (sqliteIOErr == SQLITE_IOERR_CHECKRESERVEDLOCK) ); switch (posixError) { - case EACCES: + case EACCES: case EAGAIN: case ETIMEDOUT: case EBUSY: case EINTR: - case ENOLCK: - /* random NFS retry error, unless during file system support + case ENOLCK: + /* random NFS retry error, unless during file system support * introspection, in which it actually means what it says */ return SQLITE_BUSY; - - case EPERM: + + case EPERM: return SQLITE_PERM; - - default: + + default: return sqliteIOErr; } } @@ -33581,7 +34441,7 @@ static int sqliteErrorFromPosixError(int posixError, int sqliteIOErr) { ** ** A pointer to an instance of the following structure can be used as a ** unique file ID in VxWorks. Each instance of this structure contains -** a copy of the canonical filename. There is also a reference count. +** a copy of the canonical filename. There is also a reference count. ** The structure is reclaimed when the number of pointers to it drops to ** zero. ** @@ -33597,7 +34457,7 @@ struct vxworksFileId { }; #if OS_VXWORKS -/* +/* ** All unique filenames are held on a linked list headed by this ** variable: */ @@ -33669,7 +34529,7 @@ static struct vxworksFileId *vxworksFindFileId(const char *zAbsoluteName){ */ unixEnterMutex(); for(pCandidate=vxworksFileList; pCandidate; pCandidate=pCandidate->pNext){ - if( pCandidate->nName==n + if( pCandidate->nName==n && memcmp(pCandidate->zCanonicalName, pNew->zCanonicalName, n)==0 ){ sqlite3_free(pNew); @@ -33762,7 +34622,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** cnt>0 means there are cnt shared locks on the file. ** ** Any attempt to lock or unlock a file first checks the locking -** structure. The fcntl() system call is only invoked to set a +** structure. The fcntl() system call is only invoked to set a ** POSIX lock if the internal lock structure transitions between ** a locked and an unlocked state. ** @@ -33795,7 +34655,7 @@ static void vxworksReleaseFileId(struct vxworksFileId *pId){ ** ** SQLite used to support LinuxThreads. But support for LinuxThreads ** was dropped beginning with version 3.7.0. SQLite will still work with -** LinuxThreads provided that (1) there is no more than one connection +** LinuxThreads provided that (1) there is no more than one connection ** per database file in the same process and (2) database connections ** do not move across threads. */ @@ -33812,7 +34672,7 @@ struct unixFileId { /* We are told that some versions of Android contain a bug that ** sizes ino_t at only 32-bits instead of 64-bits. (See ** https://android-review.googlesource.com/#/c/115351/3/dist/sqlite3.c) - ** To work around this, always allocate 64-bits for the inode number. + ** To work around this, always allocate 64-bits for the inode number. ** On small machines that only have 32-bit inodes, this wastes 4 bytes, ** but that should not be a big deal. */ /* WAS: ino_t ino; */ @@ -33900,7 +34760,7 @@ int unixFileMutexNotheld(unixFile *pFile){ ** strerror_r(). ** ** The first argument passed to the macro should be the error code that -** will be returned to SQLite (e.g. SQLITE_IOERR_DELETE, SQLITE_CANTOPEN). +** will be returned to SQLite (e.g. SQLITE_IOERR_DELETE, SQLITE_CANTOPEN). ** The two subsequent arguments should be the name of the OS function that ** failed (e.g. "unlink", "open") and the associated file-system path, ** if any. @@ -33918,7 +34778,7 @@ static int unixLogErrorAtLine( /* If this is not a threadsafe build (SQLITE_THREADSAFE==0), then use ** the strerror() function to obtain the human-readable error message ** equivalent to errno. Otherwise, use strerror_r(). - */ + */ #if SQLITE_THREADSAFE && defined(HAVE_STRERROR_R) char aErr[80]; memset(aErr, 0, sizeof(aErr)); @@ -33926,18 +34786,18 @@ static int unixLogErrorAtLine( /* If STRERROR_R_CHAR_P (set by autoconf scripts) or __USE_GNU is defined, ** assume that the system provides the GNU version of strerror_r() that - ** returns a pointer to a buffer containing the error message. That pointer - ** may point to aErr[], or it may point to some static storage somewhere. - ** Otherwise, assume that the system provides the POSIX version of + ** returns a pointer to a buffer containing the error message. That pointer + ** may point to aErr[], or it may point to some static storage somewhere. + ** Otherwise, assume that the system provides the POSIX version of ** strerror_r(), which always writes an error message into aErr[]. ** ** If the code incorrectly assumes that it is the POSIX version that is ** available, the error message will often be an empty string. Not a - ** huge problem. Incorrectly concluding that the GNU version is available + ** huge problem. Incorrectly concluding that the GNU version is available ** could lead to a segfault though. */ #if defined(STRERROR_R_CHAR_P) || defined(__USE_GNU) - zErr = + zErr = # endif strerror_r(iErrno, aErr, sizeof(aErr)-1); @@ -33988,7 +34848,7 @@ static void storeLastErrno(unixFile *pFile, int error){ /* ** Close all file descriptors accumuated in the unixInodeInfo->pUnused list. -*/ +*/ static void closePendingFds(unixFile *pFile){ unixInodeInfo *pInode = pFile->pInode; UnixUnusedFd *p; @@ -34143,7 +35003,7 @@ static int fileHasMoved(unixFile *pFile){ #else struct stat buf; return pFile->pInode!=0 && - (osStat(pFile->zPath, &buf)!=0 + (osStat(pFile->zPath, &buf)!=0 || (u64)buf.st_ino!=pFile->pInode->fileId.ino); #endif } @@ -34224,7 +35084,7 @@ static int unixCheckReservedLock(sqlite3_file *id, int *pResOut){ } } #endif - + sqlite3_mutex_leave(pFile->pInode->pLockMutex); OSTRACE(("TEST WR-LOCK %d %d %d (unix)\n", pFile->h, rc, reserved)); @@ -34253,8 +35113,9 @@ static int osSetPosixAdvisoryLock( struct flock *pLock, /* The description of the lock */ unixFile *pFile /* Structure holding timeout value */ ){ + int tm = pFile->iBusyTimeout; int rc = osFcntl(h,F_SETLK,pLock); - while( rc<0 && pFile->iBusyTimeout>0 ){ + while( rc<0 && tm>0 ){ /* On systems that support some kind of blocking file lock with a timeout, ** make appropriate changes here to invoke that blocking file lock. On ** generic posix, however, there is no such API. So we simply try the @@ -34262,7 +35123,7 @@ static int osSetPosixAdvisoryLock( ** the lock is obtained. */ usleep(1000); rc = osFcntl(h,F_SETLK,pLock); - pFile->iBusyTimeout--; + tm--; } return rc; } @@ -34270,7 +35131,7 @@ static int osSetPosixAdvisoryLock( /* -** Attempt to set a system-lock on the file pFile. The lock is +** Attempt to set a system-lock on the file pFile. The lock is ** described by pLock. ** ** If the pFile was opened read/write from unix-excl, then the only lock @@ -34362,7 +35223,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** ** A process may only obtain a RESERVED lock after it has a SHARED lock. ** A RESERVED lock is implemented by grabbing a write-lock on the - ** 'reserved byte'. + ** 'reserved byte'. ** ** A process may only obtain a PENDING lock after it has obtained a ** SHARED lock. A PENDING lock is implemented by obtaining a write-lock @@ -34376,7 +35237,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** implemented by obtaining a write-lock on the entire 'shared byte ** range'. Since all other locks require a read-lock on one of the bytes ** within this range, this ensures that no other locks are held on the - ** database. + ** database. */ int rc = SQLITE_OK; unixFile *pFile = (unixFile*)id; @@ -34417,7 +35278,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ /* If some thread using this PID has a lock via a different unixFile* ** handle that precludes the requested lock, return BUSY. */ - if( (pFile->eFileLock!=pInode->eFileLock && + if( (pFile->eFileLock!=pInode->eFileLock && (pInode->eFileLock>=PENDING_LOCK || eFileLock>SHARED_LOCK)) ){ rc = SQLITE_BUSY; @@ -34428,7 +35289,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ ** has a SHARED or RESERVED lock, then increment reference counts and ** return SQLITE_OK. */ - if( eFileLock==SHARED_LOCK && + if( eFileLock==SHARED_LOCK && (pInode->eFileLock==SHARED_LOCK || pInode->eFileLock==RESERVED_LOCK) ){ assert( eFileLock==SHARED_LOCK ); assert( pFile->eFileLock==0 ); @@ -34446,7 +35307,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ */ lock.l_len = 1L; lock.l_whence = SEEK_SET; - if( eFileLock==SHARED_LOCK + if( eFileLock==SHARED_LOCK || (eFileLock==EXCLUSIVE_LOCK && pFile->eFileLock<PENDING_LOCK) ){ lock.l_type = (eFileLock==SHARED_LOCK?F_RDLCK:F_WRLCK); @@ -34485,7 +35346,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ if( unixFileLock(pFile, &lock) && rc==SQLITE_OK ){ /* This could happen with a network mount */ tErrno = errno; - rc = SQLITE_IOERR_UNLOCK; + rc = SQLITE_IOERR_UNLOCK; } if( rc ){ @@ -34527,7 +35388,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ } } } - + #ifdef SQLITE_DEBUG /* Set up the transaction-counter change checking flags when @@ -34556,7 +35417,7 @@ static int unixLock(sqlite3_file *id, int eFileLock){ end_lock: sqlite3_mutex_leave(pInode->pLockMutex); - OSTRACE(("LOCK %d %s %s (unix)\n", pFile->h, azFileLock(eFileLock), + OSTRACE(("LOCK %d %s %s (unix)\n", pFile->h, azFileLock(eFileLock), rc==SQLITE_OK ? "ok" : "failed")); return rc; } @@ -34581,11 +35442,11 @@ static void setPendingFd(unixFile *pFile){ ** ** If the locking level of the file descriptor is already at or below ** the requested locking level, this routine is a no-op. -** +** ** If handleNFSUnlock is true, then on downgrading an EXCLUSIVE_LOCK to SHARED ** the byte range is divided into 2 parts and the first part is unlocked then -** set to a read lock, then the other part is simply unlocked. This works -** around a bug in BSD NFS lockd (also seen on MacOSX 10.3+) that fails to +** set to a read lock, then the other part is simply unlocked. This works +** around a bug in BSD NFS lockd (also seen on MacOSX 10.3+) that fails to ** remove the write lock on a region when a read lock is set. */ static int posixUnlock(sqlite3_file *id, int eFileLock, int handleNFSUnlock){ @@ -34623,7 +35484,7 @@ static int posixUnlock(sqlite3_file *id, int eFileLock, int handleNFSUnlock){ /* downgrading to a shared lock on NFS involves clearing the write lock ** before establishing the readlock - to avoid a race condition we downgrade - ** the lock in 2 blocks, so that part of the range will be covered by a + ** the lock in 2 blocks, so that part of the range will be covered by a ** write lock until the rest is covered by a read lock: ** 1: [WWWWW] ** 2: [....W] @@ -34639,7 +35500,7 @@ static int posixUnlock(sqlite3_file *id, int eFileLock, int handleNFSUnlock){ if( handleNFSUnlock ){ int tErrno; /* Error code from system call errors */ off_t divSize = SHARED_SIZE - 1; - + lock.l_type = F_UNLCK; lock.l_whence = SEEK_SET; lock.l_start = SHARED_FIRST; @@ -34681,11 +35542,11 @@ static int posixUnlock(sqlite3_file *id, int eFileLock, int handleNFSUnlock){ lock.l_len = SHARED_SIZE; if( unixFileLock(pFile, &lock) ){ /* In theory, the call to unixFileLock() cannot fail because another - ** process is holding an incompatible lock. If it does, this + ** process is holding an incompatible lock. If it does, this ** indicates that the other process is not following the locking ** protocol. If this happens, return SQLITE_IOERR_RDLOCK. Returning - ** SQLITE_BUSY would confuse the upper layer (in practice it causes - ** an assert to fail). */ + ** SQLITE_BUSY would confuse the upper layer (in practice it causes + ** an assert to fail). */ rc = SQLITE_IOERR_RDLOCK; storeLastErrno(pFile, errno); goto end_unlock; @@ -34761,7 +35622,7 @@ static void unixUnmapfile(unixFile *pFd); #endif /* -** This function performs the parts of the "close file" operation +** This function performs the parts of the "close file" operation ** common to all locking schemes. It closes the directory and file ** handles, if they are valid, and sets all fields of the unixFile ** structure to 0. @@ -34824,7 +35685,7 @@ static int unixClose(sqlite3_file *id){ if( pInode->nLock ){ /* If there are outstanding locks, do not actually close the file just ** yet because that would clear those locks. Instead, add the file - ** descriptor to pInode->pUnused list. It will be automatically closed + ** descriptor to pInode->pUnused list. It will be automatically closed ** when the last lock is cleared. */ setPendingFd(pFile); @@ -34924,7 +35785,7 @@ static int dotlockCheckReservedLock(sqlite3_file *id, int *pResOut) { unixFile *pFile = (unixFile*)id; SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; ); - + assert( pFile ); reserved = osAccess((const char*)pFile->lockingContext, 0)==0; OSTRACE(("TEST WR-LOCK %d %d %d (dotlock)\n", pFile->h, rc, reserved)); @@ -34978,7 +35839,7 @@ static int dotlockLock(sqlite3_file *id, int eFileLock) { #endif return SQLITE_OK; } - + /* grab an exclusive lock */ rc = osMkdir(zLockFile, 0777); if( rc<0 ){ @@ -34993,8 +35854,8 @@ static int dotlockLock(sqlite3_file *id, int eFileLock) { } } return rc; - } - + } + /* got it, set the type and return ok */ pFile->eFileLock = eFileLock; return rc; @@ -35018,7 +35879,7 @@ static int dotlockUnlock(sqlite3_file *id, int eFileLock) { OSTRACE(("UNLOCK %d %d was %d pid=%d (dotlock)\n", pFile->h, eFileLock, pFile->eFileLock, osGetpid(0))); assert( eFileLock<=SHARED_LOCK ); - + /* no-op if possible */ if( pFile->eFileLock==eFileLock ){ return SQLITE_OK; @@ -35031,7 +35892,7 @@ static int dotlockUnlock(sqlite3_file *id, int eFileLock) { pFile->eFileLock = SHARED_LOCK; return SQLITE_OK; } - + /* To fully unlock the database, delete the lock file */ assert( eFileLock==NO_LOCK ); rc = osRmdir(zLockFile); @@ -35043,7 +35904,7 @@ static int dotlockUnlock(sqlite3_file *id, int eFileLock) { rc = SQLITE_IOERR_UNLOCK; storeLastErrno(pFile, tErrno); } - return rc; + return rc; } pFile->eFileLock = NO_LOCK; return SQLITE_OK; @@ -35090,7 +35951,7 @@ static int robust_flock(int fd, int op){ #else # define robust_flock(a,b) flock(a,b) #endif - + /* ** This routine checks if there is a RESERVED lock held on the specified @@ -35102,16 +35963,16 @@ static int flockCheckReservedLock(sqlite3_file *id, int *pResOut){ int rc = SQLITE_OK; int reserved = 0; unixFile *pFile = (unixFile*)id; - + SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; ); - + assert( pFile ); - + /* Check if a thread in this process holds such a lock */ if( pFile->eFileLock>SHARED_LOCK ){ reserved = 1; } - + /* Otherwise see if some other process holds it. */ if( !reserved ){ /* attempt to get the lock */ @@ -35122,7 +35983,7 @@ static int flockCheckReservedLock(sqlite3_file *id, int *pResOut){ if ( lrc ) { int tErrno = errno; /* unlock failed with an error */ - lrc = SQLITE_IOERR_UNLOCK; + lrc = SQLITE_IOERR_UNLOCK; storeLastErrno(pFile, tErrno); rc = lrc; } @@ -35130,7 +35991,7 @@ static int flockCheckReservedLock(sqlite3_file *id, int *pResOut){ int tErrno = errno; reserved = 1; /* someone else might have it reserved */ - lrc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK); + lrc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK); if( IS_LOCK_ERROR(lrc) ){ storeLastErrno(pFile, tErrno); rc = lrc; @@ -35184,15 +36045,15 @@ static int flockLock(sqlite3_file *id, int eFileLock) { assert( pFile ); - /* if we already have a lock, it is exclusive. + /* if we already have a lock, it is exclusive. ** Just adjust level and punt on outta here. */ if (pFile->eFileLock > NO_LOCK) { pFile->eFileLock = eFileLock; return SQLITE_OK; } - + /* grab an exclusive lock */ - + if (robust_flock(pFile->h, LOCK_EX | LOCK_NB)) { int tErrno = errno; /* didn't get, must be busy */ @@ -35204,7 +36065,7 @@ static int flockLock(sqlite3_file *id, int eFileLock) { /* got it, set the type and return ok */ pFile->eFileLock = eFileLock; } - OSTRACE(("LOCK %d %s %s (flock)\n", pFile->h, azFileLock(eFileLock), + OSTRACE(("LOCK %d %s %s (flock)\n", pFile->h, azFileLock(eFileLock), rc==SQLITE_OK ? "ok" : "failed")); #ifdef SQLITE_IGNORE_FLOCK_LOCK_ERRORS if( (rc & 0xff) == SQLITE_IOERR ){ @@ -35224,23 +36085,23 @@ static int flockLock(sqlite3_file *id, int eFileLock) { */ static int flockUnlock(sqlite3_file *id, int eFileLock) { unixFile *pFile = (unixFile*)id; - + assert( pFile ); OSTRACE(("UNLOCK %d %d was %d pid=%d (flock)\n", pFile->h, eFileLock, pFile->eFileLock, osGetpid(0))); assert( eFileLock<=SHARED_LOCK ); - + /* no-op if possible */ if( pFile->eFileLock==eFileLock ){ return SQLITE_OK; } - + /* shared can just be set because we always have an exclusive */ if (eFileLock==SHARED_LOCK) { pFile->eFileLock = eFileLock; return SQLITE_OK; } - + /* no, really, unlock. */ if( robust_flock(pFile->h, LOCK_UN) ){ #ifdef SQLITE_IGNORE_FLOCK_LOCK_ERRORS @@ -35291,14 +36152,14 @@ static int semXCheckReservedLock(sqlite3_file *id, int *pResOut) { unixFile *pFile = (unixFile*)id; SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; ); - + assert( pFile ); /* Check if a thread in this process holds such a lock */ if( pFile->eFileLock>SHARED_LOCK ){ reserved = 1; } - + /* Otherwise see if some other process holds it. */ if( !reserved ){ sem_t *pSem = pFile->pInode->pSem; @@ -35357,14 +36218,14 @@ static int semXLock(sqlite3_file *id, int eFileLock) { sem_t *pSem = pFile->pInode->pSem; int rc = SQLITE_OK; - /* if we already have a lock, it is exclusive. + /* if we already have a lock, it is exclusive. ** Just adjust level and punt on outta here. */ if (pFile->eFileLock > NO_LOCK) { pFile->eFileLock = eFileLock; rc = SQLITE_OK; goto sem_end_lock; } - + /* lock semaphore now but bail out when already locked. */ if( sem_trywait(pSem)==-1 ){ rc = SQLITE_BUSY; @@ -35394,18 +36255,18 @@ static int semXUnlock(sqlite3_file *id, int eFileLock) { OSTRACE(("UNLOCK %d %d was %d pid=%d (sem)\n", pFile->h, eFileLock, pFile->eFileLock, osGetpid(0))); assert( eFileLock<=SHARED_LOCK ); - + /* no-op if possible */ if( pFile->eFileLock==eFileLock ){ return SQLITE_OK; } - + /* shared can just be set because we always have an exclusive */ if (eFileLock==SHARED_LOCK) { pFile->eFileLock = eFileLock; return SQLITE_OK; } - + /* no, really unlock. */ if ( sem_post(pSem)==-1 ) { int rc, tErrno = errno; @@ -35413,7 +36274,7 @@ static int semXUnlock(sqlite3_file *id, int eFileLock) { if( IS_LOCK_ERROR(rc) ){ storeLastErrno(pFile, tErrno); } - return rc; + return rc; } pFile->eFileLock = NO_LOCK; return SQLITE_OK; @@ -35479,7 +36340,7 @@ struct ByteRangeLockPB2 /* ** This is a utility for setting or clearing a bit-range lock on an ** AFP filesystem. -** +** ** Return SQLITE_OK on success, SQLITE_BUSY on failure. */ static int afpSetLock( @@ -35491,14 +36352,14 @@ static int afpSetLock( ){ struct ByteRangeLockPB2 pb; int err; - + pb.unLockFlag = setLockFlag ? 0 : 1; pb.startEndFlag = 0; pb.offset = offset; - pb.length = length; + pb.length = length; pb.fd = pFile->h; - - OSTRACE(("AFPSETLOCK [%s] for %d%s in range %llx:%llx\n", + + OSTRACE(("AFPSETLOCK [%s] for %d%s in range %llx:%llx\n", (setLockFlag?"ON":"OFF"), pFile->h, (pb.fd==-1?"[testval-1]":""), offset, length)); err = fsctl(path, afpfsByteRangeLock2FSCTL, &pb, 0); @@ -35533,9 +36394,9 @@ static int afpCheckReservedLock(sqlite3_file *id, int *pResOut){ int reserved = 0; unixFile *pFile = (unixFile*)id; afpLockingContext *context; - + SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; ); - + assert( pFile ); context = (afpLockingContext *) pFile->lockingContext; if( context->reserved ){ @@ -35547,12 +36408,12 @@ static int afpCheckReservedLock(sqlite3_file *id, int *pResOut){ if( pFile->pInode->eFileLock>SHARED_LOCK ){ reserved = 1; } - + /* Otherwise see if some other process holds it. */ if( !reserved ){ /* lock the RESERVED byte */ - int lrc = afpSetLock(context->dbPath, pFile, RESERVED_BYTE, 1,1); + int lrc = afpSetLock(context->dbPath, pFile, RESERVED_BYTE, 1,1); if( SQLITE_OK==lrc ){ /* if we succeeded in taking the reserved lock, unlock it to restore ** the original state */ @@ -35565,10 +36426,10 @@ static int afpCheckReservedLock(sqlite3_file *id, int *pResOut){ rc=lrc; } } - + sqlite3_mutex_leave(pFile->pInode->pLockMutex); OSTRACE(("TEST WR-LOCK %d %d %d (afp)\n", pFile->h, rc, reserved)); - + *pResOut = reserved; return rc; } @@ -35602,7 +36463,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ unixFile *pFile = (unixFile*)id; unixInodeInfo *pInode = pFile->pInode; afpLockingContext *context = (afpLockingContext *) pFile->lockingContext; - + assert( pFile ); OSTRACE(("LOCK %d %s was %s(%s,%d) pid=%d (afp)\n", pFile->h, azFileLock(eFileLock), azFileLock(pFile->eFileLock), @@ -35626,7 +36487,7 @@ static int afpLock(sqlite3_file *id, int eFileLock){ assert( pFile->eFileLock!=NO_LOCK || eFileLock==SHARED_LOCK ); assert( eFileLock!=PENDING_LOCK ); assert( eFileLock!=RESERVED_LOCK || pFile->eFileLock==SHARED_LOCK ); - + /* This mutex is needed because pFile->pInode is shared across threads */ pInode = pFile->pInode; @@ -35635,18 +36496,18 @@ static int afpLock(sqlite3_file *id, int eFileLock){ /* If some thread using this PID has a lock via a different unixFile* ** handle that precludes the requested lock, return BUSY. */ - if( (pFile->eFileLock!=pInode->eFileLock && + if( (pFile->eFileLock!=pInode->eFileLock && (pInode->eFileLock>=PENDING_LOCK || eFileLock>SHARED_LOCK)) ){ rc = SQLITE_BUSY; goto afp_end_lock; } - + /* If a SHARED lock is requested, and some thread using this PID already ** has a SHARED or RESERVED lock, then increment reference counts and ** return SQLITE_OK. */ - if( eFileLock==SHARED_LOCK && + if( eFileLock==SHARED_LOCK && (pInode->eFileLock==SHARED_LOCK || pInode->eFileLock==RESERVED_LOCK) ){ assert( eFileLock==SHARED_LOCK ); assert( pFile->eFileLock==0 ); @@ -35656,12 +36517,12 @@ static int afpLock(sqlite3_file *id, int eFileLock){ pInode->nLock++; goto afp_end_lock; } - + /* A PENDING lock is needed before acquiring a SHARED lock and before ** acquiring an EXCLUSIVE lock. For the SHARED lock, the PENDING will ** be released. */ - if( eFileLock==SHARED_LOCK + if( eFileLock==SHARED_LOCK || (eFileLock==EXCLUSIVE_LOCK && pFile->eFileLock<PENDING_LOCK) ){ int failed; @@ -35671,30 +36532,30 @@ static int afpLock(sqlite3_file *id, int eFileLock){ goto afp_end_lock; } } - + /* If control gets to this point, then actually go ahead and make ** operating system calls for the specified lock. */ if( eFileLock==SHARED_LOCK ){ int lrc1, lrc2, lrc1Errno = 0; long lk, mask; - + assert( pInode->nShared==0 ); assert( pInode->eFileLock==0 ); - + mask = (sizeof(long)==8) ? LARGEST_INT64 : 0x7fffffff; /* Now get the read-lock SHARED_LOCK */ /* note that the quality of the randomness doesn't matter that much */ - lk = random(); + lk = random(); pInode->sharedByte = (lk & mask)%(SHARED_SIZE - 1); - lrc1 = afpSetLock(context->dbPath, pFile, + lrc1 = afpSetLock(context->dbPath, pFile, SHARED_FIRST+pInode->sharedByte, 1, 1); if( IS_LOCK_ERROR(lrc1) ){ lrc1Errno = pFile->lastErrno; } /* Drop the temporary PENDING lock */ lrc2 = afpSetLock(context->dbPath, pFile, PENDING_BYTE, 1, 0); - + if( IS_LOCK_ERROR(lrc1) ) { storeLastErrno(pFile, lrc1Errno); rc = lrc1; @@ -35729,34 +36590,34 @@ static int afpLock(sqlite3_file *id, int eFileLock){ } if (!failed && eFileLock == EXCLUSIVE_LOCK) { /* Acquire an EXCLUSIVE lock */ - - /* Remove the shared lock before trying the range. we'll need to + + /* Remove the shared lock before trying the range. we'll need to ** reestablish the shared lock if we can't get the afpUnlock */ if( !(failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST + pInode->sharedByte, 1, 0)) ){ int failed2 = SQLITE_OK; /* now attemmpt to get the exclusive lock range */ - failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST, + failed = afpSetLock(context->dbPath, pFile, SHARED_FIRST, SHARED_SIZE, 1); - if( failed && (failed2 = afpSetLock(context->dbPath, pFile, + if( failed && (failed2 = afpSetLock(context->dbPath, pFile, SHARED_FIRST + pInode->sharedByte, 1, 1)) ){ /* Can't reestablish the shared lock. Sqlite can't deal, this is ** a critical I/O error */ - rc = ((failed & 0xff) == SQLITE_IOERR) ? failed2 : + rc = ((failed & 0xff) == SQLITE_IOERR) ? failed2 : SQLITE_IOERR_LOCK; goto afp_end_lock; - } + } }else{ - rc = failed; + rc = failed; } } if( failed ){ rc = failed; } } - + if( rc==SQLITE_OK ){ pFile->eFileLock = eFileLock; pInode->eFileLock = eFileLock; @@ -35764,10 +36625,10 @@ static int afpLock(sqlite3_file *id, int eFileLock){ pFile->eFileLock = PENDING_LOCK; pInode->eFileLock = PENDING_LOCK; } - + afp_end_lock: sqlite3_mutex_leave(pInode->pLockMutex); - OSTRACE(("LOCK %d %s %s (afp)\n", pFile->h, azFileLock(eFileLock), + OSTRACE(("LOCK %d %s %s (afp)\n", pFile->h, azFileLock(eFileLock), rc==SQLITE_OK ? "ok" : "failed")); return rc; } @@ -35806,7 +36667,7 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { SimulateIOErrorBenign(1); SimulateIOError( h=(-1) ) SimulateIOErrorBenign(0); - + #ifdef SQLITE_DEBUG /* When reducing a lock such that other processes can start ** reading the database file again, make sure that the @@ -35821,7 +36682,7 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { || pFile->transCntrChng==1 ); pFile->inNormalWrite = 0; #endif - + if( pFile->eFileLock==EXCLUSIVE_LOCK ){ rc = afpSetLock(context->dbPath, pFile, SHARED_FIRST, SHARED_SIZE, 0); if( rc==SQLITE_OK && (eFileLock==SHARED_LOCK || pInode->nShared>1) ){ @@ -35834,11 +36695,11 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { } if( rc==SQLITE_OK && pFile->eFileLock>=PENDING_LOCK ){ rc = afpSetLock(context->dbPath, pFile, PENDING_BYTE, 1, 0); - } + } if( rc==SQLITE_OK && pFile->eFileLock>=RESERVED_LOCK && context->reserved ){ rc = afpSetLock(context->dbPath, pFile, RESERVED_BYTE, 1, 0); - if( !rc ){ - context->reserved = 0; + if( !rc ){ + context->reserved = 0; } } if( rc==SQLITE_OK && (eFileLock==SHARED_LOCK || pInode->nShared>1)){ @@ -35871,7 +36732,7 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { if( pInode->nLock==0 ) closePendingFds(pFile); } } - + sqlite3_mutex_leave(pInode->pLockMutex); if( rc==SQLITE_OK ){ pFile->eFileLock = eFileLock; @@ -35880,7 +36741,7 @@ static int afpUnlock(sqlite3_file *id, int eFileLock) { } /* -** Close a file & cleanup AFP specific locking context +** Close a file & cleanup AFP specific locking context */ static int afpClose(sqlite3_file *id) { int rc = SQLITE_OK; @@ -35938,7 +36799,7 @@ static int nfsUnlock(sqlite3_file *id, int eFileLock){ /* ** The code above is the NFS lock implementation. The code is specific ** to MacOSX and does not work on other unix platforms. No alternative -** is available. +** is available. ** ********************* End of the NFS lock implementation ********************** ******************************************************************************/ @@ -35946,7 +36807,7 @@ static int nfsUnlock(sqlite3_file *id, int eFileLock){ /****************************************************************************** **************** Non-locking sqlite3_file methods ***************************** ** -** The next division contains implementations for all methods of the +** The next division contains implementations for all methods of the ** sqlite3_file object other than the locking methods. The locking ** methods were defined in divisions above (one locking method per ** division). Those methods that are common to all locking modes @@ -35954,7 +36815,7 @@ static int nfsUnlock(sqlite3_file *id, int eFileLock){ */ /* -** Seek to the offset passed as the second argument, then read cnt +** Seek to the offset passed as the second argument, then read cnt ** bytes into pBuf. Return the number of bytes actually read. ** ** NB: If you define USE_PREAD or USE_PREAD64, then it might also @@ -36016,8 +36877,8 @@ static int seekAndRead(unixFile *id, sqlite3_int64 offset, void *pBuf, int cnt){ ** wrong. */ static int unixRead( - sqlite3_file *id, - void *pBuf, + sqlite3_file *id, + void *pBuf, int amt, sqlite3_int64 offset ){ @@ -36027,12 +36888,12 @@ static int unixRead( assert( offset>=0 ); assert( amt>0 ); - /* If this is a database file (not a journal, master-journal or temp + /* If this is a database file (not a journal, super-journal or temp ** file), the bytes in the locking range should never be read or written. */ #if 0 assert( pFile->pPreallocatedUnused==0 || offset>=PENDING_BYTE+512 - || offset+amt<=PENDING_BYTE + || offset+amt<=PENDING_BYTE ); #endif @@ -36070,7 +36931,7 @@ static int unixRead( /* ** Attempt to seek the file-descriptor passed as the first argument to ** absolute offset iOff, then attempt to write nBuf bytes of data from -** pBuf to it. If an error occurs, return -1 and set *piErrno. Otherwise, +** pBuf to it. If an error occurs, return -1 and set *piErrno. Otherwise, ** return the actual number of bytes written (which may be less than ** nBuf). */ @@ -36130,22 +36991,22 @@ static int seekAndWrite(unixFile *id, i64 offset, const void *pBuf, int cnt){ ** or some other error code on failure. */ static int unixWrite( - sqlite3_file *id, - const void *pBuf, + sqlite3_file *id, + const void *pBuf, int amt, - sqlite3_int64 offset + sqlite3_int64 offset ){ unixFile *pFile = (unixFile*)id; int wrote = 0; assert( id ); assert( amt>0 ); - /* If this is a database file (not a journal, master-journal or temp + /* If this is a database file (not a journal, super-journal or temp ** file), the bytes in the locking range should never be read or written. */ #if 0 assert( pFile->pPreallocatedUnused==0 || offset>=PENDING_BYTE+512 - || offset+amt<=PENDING_BYTE + || offset+amt<=PENDING_BYTE ); #endif @@ -36187,7 +37048,7 @@ static int unixWrite( } } #endif - + while( (wrote = seekAndWrite(pFile, offset, pBuf, amt))<amt && wrote>0 ){ amt -= wrote; offset += wrote; @@ -36253,8 +37114,8 @@ SQLITE_API int sqlite3_fullsync_count = 0; ** ** SQLite sets the dataOnly flag if the size of the file is unchanged. ** The idea behind dataOnly is that it should only write the file content -** to disk, not the inode. We only set dataOnly if the file size is -** unchanged since the file size is part of the inode. However, +** to disk, not the inode. We only set dataOnly if the file size is +** unchanged since the file size is part of the inode. However, ** Ted Ts'o tells us that fdatasync() will also write the inode if the ** file size has changed. The only real difference between fdatasync() ** and fsync(), Ted tells us, is that fdatasync() will not flush the @@ -36268,7 +37129,7 @@ static int full_fsync(int fd, int fullSync, int dataOnly){ int rc; /* The following "ifdef/elif/else/" block has the same structure as - ** the one below. It is replicated here solely to avoid cluttering + ** the one below. It is replicated here solely to avoid cluttering ** up the real code with the UNUSED_PARAMETER() macros. */ #ifdef SQLITE_NO_SYNC @@ -36282,7 +37143,7 @@ static int full_fsync(int fd, int fullSync, int dataOnly){ UNUSED_PARAMETER(dataOnly); #endif - /* Record the number of times that we do a normal fsync() and + /* Record the number of times that we do a normal fsync() and ** FULLSYNC. This is used during testing to verify that this procedure ** gets called with the correct arguments. */ @@ -36308,11 +37169,11 @@ static int full_fsync(int fd, int fullSync, int dataOnly){ rc = 1; } /* If the FULLFSYNC failed, fall back to attempting an fsync(). - ** It shouldn't be possible for fullfsync to fail on the local + ** It shouldn't be possible for fullfsync to fail on the local ** file system (on OSX), so failure indicates that FULLFSYNC - ** isn't supported for this file system. So, attempt an fsync - ** and (for now) ignore the overhead of a superfluous fcntl call. - ** It'd be better to detect fullfsync support once and avoid + ** isn't supported for this file system. So, attempt an fsync + ** and (for now) ignore the overhead of a superfluous fcntl call. + ** It'd be better to detect fullfsync support once and avoid ** the fcntl call every time sync is called. */ if( rc ) rc = fsync(fd); @@ -36322,7 +37183,7 @@ static int full_fsync(int fd, int fullSync, int dataOnly){ ** so currently we default to the macro that redefines fdatasync to fsync */ rc = fsync(fd); -#else +#else rc = fdatasync(fd); #if OS_VXWORKS if( rc==-1 && errno==ENOTSUP ){ @@ -36483,7 +37344,7 @@ static int unixTruncate(sqlite3_file *id, i64 nByte){ #if SQLITE_MAX_MMAP_SIZE>0 /* If the file was just truncated to a size smaller than the currently ** mapped region, reduce the effective mapping size as well. SQLite will - ** use read() and write() to access data beyond this point from now on. + ** use read() and write() to access data beyond this point from now on. */ if( nByte<pFile->mmapSize ){ pFile->mmapSize = nByte; @@ -36529,8 +37390,8 @@ static int unixFileSize(sqlite3_file *id, i64 *pSize){ static int proxyFileControl(sqlite3_file*,int,void*); #endif -/* -** This function is called to handle the SQLITE_FCNTL_SIZE_HINT +/* +** This function is called to handle the SQLITE_FCNTL_SIZE_HINT ** file-control operation. Enlarge the database to nBytes in size ** (rounded up to the next chunk-size). If the database is already ** nBytes or larger, this routine is a no-op. @@ -36539,7 +37400,7 @@ static int fcntlSizeHint(unixFile *pFile, i64 nByte){ if( pFile->szChunk>0 ){ i64 nSize; /* Required file size */ struct stat buf; /* Used to hold return values of fstat() */ - + if( osFstat(pFile->h, &buf) ){ return SQLITE_IOERR_FSTAT; } @@ -36548,8 +37409,8 @@ static int fcntlSizeHint(unixFile *pFile, i64 nByte){ if( nSize>(i64)buf.st_size ){ #if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE - /* The code below is handling the return value of osFallocate() - ** correctly. posix_fallocate() is defined to "returns zero on success, + /* The code below is handling the return value of osFallocate() + ** correctly. posix_fallocate() is defined to "returns zero on success, ** or an error number on failure". See the manpage for details. */ int err; do{ @@ -36557,7 +37418,7 @@ static int fcntlSizeHint(unixFile *pFile, i64 nByte){ }while( err==EINTR ); if( err && err!=EINVAL ) return SQLITE_IOERR_WRITE; #else - /* If the OS does not have posix_fallocate(), fake it. Write a + /* If the OS does not have posix_fallocate(), fake it. Write a ** single byte to the last byte in each block that falls entirely ** within the extended region. Then, if required, a single byte ** at offset (nSize-1), to set the size of the file correctly. @@ -36683,7 +37544,9 @@ static int unixFileControl(sqlite3_file *id, int op, void *pArg){ } #ifdef SQLITE_ENABLE_SETLK_TIMEOUT case SQLITE_FCNTL_LOCK_TIMEOUT: { + int iOld = pFile->iBusyTimeout; pFile->iBusyTimeout = *(int*)pArg; + *(int*)pArg = iOld; return SQLITE_OK; } #endif @@ -36736,9 +37599,9 @@ static int unixFileControl(sqlite3_file *id, int op, void *pArg){ /* ** If pFd->sectorSize is non-zero when this function is called, it is a -** no-op. Otherwise, the values of pFd->sectorSize and -** pFd->deviceCharacteristics are set according to the file-system -** characteristics. +** no-op. Otherwise, the values of pFd->sectorSize and +** pFd->deviceCharacteristics are set according to the file-system +** characteristics. ** ** There are two versions of this function. One for QNX and one for all ** other systems. @@ -36772,7 +37635,7 @@ static void setDeviceCharacteristics(unixFile *pFd){ static void setDeviceCharacteristics(unixFile *pFile){ if( pFile->sectorSize == 0 ){ struct statvfs fsInfo; - + /* Set defaults for non-supported filesystems */ pFile->sectorSize = SQLITE_DEFAULT_SECTOR_SIZE; pFile->deviceCharacteristics = 0; @@ -36881,7 +37744,7 @@ static int unixDeviceCharacteristics(sqlite3_file *id){ /* ** Return the system page size. ** -** This function should not be called directly by other code in this file. +** This function should not be called directly by other code in this file. ** Instead, it should be called via macro osGetpagesize(). */ static int unixGetpagesize(void){ @@ -36899,7 +37762,7 @@ static int unixGetpagesize(void){ #ifndef SQLITE_OMIT_WAL /* -** Object used to represent an shared memory buffer. +** Object used to represent an shared memory buffer. ** ** When multiple threads all reference the same wal-index, each thread ** has its own unixShm object, but they all point to a single instance @@ -36919,7 +37782,7 @@ static int unixGetpagesize(void){ ** nRef ** ** The following fields are read-only after the object is created: -** +** ** hShm ** zFilename ** @@ -37002,13 +37865,20 @@ static int unixShmSystemLock( assert( n>=1 && n<=SQLITE_SHM_NLOCK ); if( pShmNode->hShm>=0 ){ + int res; /* Initialize the locking parameters */ f.l_type = lockType; f.l_whence = SEEK_SET; f.l_start = ofst; f.l_len = n; - rc = osSetPosixAdvisoryLock(pShmNode->hShm, &f, pFile); - rc = (rc!=(-1)) ? SQLITE_OK : SQLITE_BUSY; + res = osSetPosixAdvisoryLock(pShmNode->hShm, &f, pFile); + if( res==-1 ){ +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + rc = (pFile->iBusyTimeout ? SQLITE_BUSY_TIMEOUT : SQLITE_BUSY); +#else + rc = SQLITE_BUSY; +#endif + } } /* Update the global lock state and do debug tracing */ @@ -37046,7 +37916,7 @@ static int unixShmSystemLock( } #endif - return rc; + return rc; } /* @@ -37102,7 +37972,7 @@ static void unixShmPurge(unixFile *pFd){ ** take it now. Return SQLITE_OK if successful, or an SQLite error ** code otherwise. ** -** If the DMS cannot be locked because this is a readonly_shm=1 +** If the DMS cannot be locked because this is a readonly_shm=1 ** connection and no other process already holds a lock, return ** SQLITE_READONLY_CANTINIT and set pShmNode->isUnlocked=1. */ @@ -37113,7 +37983,7 @@ static int unixLockSharedMemory(unixFile *pDbFd, unixShmNode *pShmNode){ /* Use F_GETLK to determine the locks other processes are holding ** on the DMS byte. If it indicates that another process is holding ** a SHARED lock, then this process may also take a SHARED lock - ** and proceed with opening the *-shm file. + ** and proceed with opening the *-shm file. ** ** Or, if no other process is holding any lock, then this process ** is the first to open it. In this case take an EXCLUSIVE lock on the @@ -37161,20 +38031,20 @@ static int unixLockSharedMemory(unixFile *pDbFd, unixShmNode *pShmNode){ } /* -** Open a shared-memory area associated with open database file pDbFd. +** Open a shared-memory area associated with open database file pDbFd. ** This particular implementation uses mmapped files. ** ** The file used to implement shared-memory is in the same directory ** as the open database file and has the same name as the open database ** file with the "-shm" suffix added. For example, if the database file ** is "/home/user1/config.db" then the file that is created and mmapped -** for shared memory will be called "/home/user1/config.db-shm". +** for shared memory will be called "/home/user1/config.db-shm". ** ** Another approach to is to use files in /dev/shm or /dev/tmp or an ** some other tmpfs mount. But if a file in a different directory ** from the database file is used, then differing access permissions ** or a chroot() might cause two different processes on the same -** database to end up using different files for shared memory - +** database to end up using different files for shared memory - ** meaning that their memory would not really be shared - resulting ** in database corruption. Nevertheless, this tmpfs file usage ** can be enabled at compile-time using -DSQLITE_SHM_DIRECTORY="/dev/shm" @@ -37244,7 +38114,7 @@ static int unixOpenSharedMemory(unixFile *pDbFd){ memset(pShmNode, 0, sizeof(*pShmNode)+nShmFilename); zShm = pShmNode->zFilename = (char*)&pShmNode[1]; #ifdef SQLITE_SHM_DIRECTORY - sqlite3_snprintf(nShmFilename, zShm, + sqlite3_snprintf(nShmFilename, zShm, SQLITE_SHM_DIRECTORY "/sqlite-shm-%x-%x", (u32)sStat.st_ino, (u32)sStat.st_dev); #else @@ -37264,10 +38134,12 @@ static int unixOpenSharedMemory(unixFile *pDbFd){ if( pInode->bProcessLock==0 ){ if( 0==sqlite3_uri_boolean(pDbFd->zPath, "readonly_shm", 0) ){ - pShmNode->hShm = robust_open(zShm, O_RDWR|O_CREAT,(sStat.st_mode&0777)); + pShmNode->hShm = robust_open(zShm, O_RDWR|O_CREAT|O_NOFOLLOW, + (sStat.st_mode&0777)); } if( pShmNode->hShm<0 ){ - pShmNode->hShm = robust_open(zShm, O_RDONLY, (sStat.st_mode&0777)); + pShmNode->hShm = robust_open(zShm, O_RDONLY|O_NOFOLLOW, + (sStat.st_mode&0777)); if( pShmNode->hShm<0 ){ rc = unixLogError(SQLITE_CANTOPEN_BKPT, "open", zShm); goto shm_open_err; @@ -37317,22 +38189,22 @@ shm_open_err: } /* -** This function is called to obtain a pointer to region iRegion of the -** shared-memory associated with the database file fd. Shared-memory regions -** are numbered starting from zero. Each shared-memory region is szRegion +** This function is called to obtain a pointer to region iRegion of the +** shared-memory associated with the database file fd. Shared-memory regions +** are numbered starting from zero. Each shared-memory region is szRegion ** bytes in size. ** ** If an error occurs, an error code is returned and *pp is set to NULL. ** ** Otherwise, if the bExtend parameter is 0 and the requested shared-memory ** region has not been allocated (by any client, including one running in a -** separate process), then *pp is set to NULL and SQLITE_OK returned. If -** bExtend is non-zero and the requested shared-memory region has not yet +** separate process), then *pp is set to NULL and SQLITE_OK returned. If +** bExtend is non-zero and the requested shared-memory region has not yet ** been allocated, it is allocated by this function. ** ** If the shared-memory region has already been allocated or is allocated by -** this call as described above, then it is mapped into this processes -** address space (if it is not already), *pp is set to point to the mapped +** this call as described above, then it is mapped into this processes +** address space (if it is not already), *pp is set to point to the mapped ** memory and SQLITE_OK returned. */ static int unixShmMap( @@ -37387,7 +38259,7 @@ static int unixShmMap( rc = SQLITE_IOERR_SHMSIZE; goto shmpage_out; } - + if( sStat.st_size<nByte ){ /* The requested memory region does not exist. If bExtend is set to ** false, exit early. *pp will be set to NULL and SQLITE_OK returned. @@ -37436,7 +38308,7 @@ static int unixShmMap( void *pMem; if( pShmNode->hShm>=0 ){ pMem = osMmap(0, nMap, - pShmNode->isReadonly ? PROT_READ : PROT_READ|PROT_WRITE, + pShmNode->isReadonly ? PROT_READ : PROT_READ|PROT_WRITE, MAP_SHARED, pShmNode->hShm, szRegion*(i64)pShmNode->nRegion ); if( pMem==MAP_FAILED ){ @@ -37503,6 +38375,28 @@ static int unixShmLock( assert( pShmNode->hShm>=0 || pDbFd->pInode->bProcessLock==1 ); assert( pShmNode->hShm<0 || pDbFd->pInode->bProcessLock==0 ); + /* Check that, if this to be a blocking lock, no locks that occur later + ** in the following list than the lock being obtained are already held: + ** + ** 1. Checkpointer lock (ofst==1). + ** 2. Write lock (ofst==0). + ** 3. Read locks (ofst>=3 && ofst<SQLITE_SHM_NLOCK). + ** + ** In other words, if this is a blocking lock, none of the locks that + ** occur later in the above list than the lock being obtained may be + ** held. + ** + ** It is not permitted to block on the RECOVER lock. + */ +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + assert( (flags & SQLITE_SHM_UNLOCK) || pDbFd->iBusyTimeout==0 || ( + (ofst!=2) /* not RECOVER */ + && (ofst!=1 || (p->exclMask|p->sharedMask)==0) + && (ofst!=0 || (p->exclMask|p->sharedMask)<3) + && (ofst<3 || (p->exclMask|p->sharedMask)<(1<<ofst)) + )); +#endif + mask = (1<<(ofst+n)) - (1<<ofst); assert( n>1 || mask==(1<<ofst) ); sqlite3_mutex_enter(pShmNode->pShmMutex); @@ -37527,7 +38421,7 @@ static int unixShmLock( if( rc==SQLITE_OK ){ p->exclMask &= ~mask; p->sharedMask &= ~mask; - } + } }else if( flags & SQLITE_SHM_SHARED ){ u16 allShared = 0; /* Union of locks held by connections other than "p" */ @@ -37566,7 +38460,7 @@ static int unixShmLock( break; } } - + /* Get the exclusive locks at the system level. Then if successful ** also mark the local connection as being locked. */ @@ -37585,7 +38479,7 @@ static int unixShmLock( } /* -** Implement a memory barrier or memory fence on shared memory. +** Implement a memory barrier or memory fence on shared memory. ** ** All loads and stores begun before the barrier must complete before ** any load or store begun after the barrier. @@ -37595,15 +38489,15 @@ static void unixShmBarrier( ){ UNUSED_PARAMETER(fd); sqlite3MemoryBarrier(); /* compiler-defined memory barrier */ - assert( fd->pMethods->xLock==nolockLock - || unixFileMutexNotheld((unixFile*)fd) + assert( fd->pMethods->xLock==nolockLock + || unixFileMutexNotheld((unixFile*)fd) ); unixEnterMutex(); /* Also mutex, for redundancy */ unixLeaveMutex(); } /* -** Close a connection to shared-memory. Delete the underlying +** Close a connection to shared-memory. Delete the underlying ** storage if deleteFlag is true. ** ** If there is no shared memory associated with the connection then this @@ -37677,7 +38571,7 @@ static void unixUnmapfile(unixFile *pFd){ } /* -** Attempt to set the size of the memory mapping maintained by file +** Attempt to set the size of the memory mapping maintained by file ** descriptor pFd to nNew bytes. Any existing mapping is discarded. ** ** If successful, this function sets the following variables: @@ -37769,14 +38663,14 @@ static void unixRemapfile( /* ** Memory map or remap the file opened by file-descriptor pFd (if the file -** is already mapped, the existing mapping is replaced by the new). Or, if -** there already exists a mapping for this file, and there are still +** is already mapped, the existing mapping is replaced by the new). Or, if +** there already exists a mapping for this file, and there are still ** outstanding xFetch() references to it, this function is a no-op. ** -** If parameter nByte is non-negative, then it is the requested size of -** the mapping to create. Otherwise, if nByte is less than zero, then the +** If parameter nByte is non-negative, then it is the requested size of +** the mapping to create. Otherwise, if nByte is less than zero, then the ** requested size is the size of the file on disk. The actual size of the -** created mapping is either the requested size or the value configured +** created mapping is either the requested size or the value configured ** using SQLITE_FCNTL_MMAP_LIMIT, whichever is smaller. ** ** SQLITE_OK is returned if no error occurs (even if the mapping is not @@ -37817,7 +38711,7 @@ static int unixMapfile(unixFile *pFd, i64 nMap){ ** Finally, if an error does occur, return an SQLite error code. The final ** value of *pp is undefined in this case. ** -** If this function does return a pointer, the caller must eventually +** If this function does return a pointer, the caller must eventually ** release the reference by calling unixUnfetch(). */ static int unixFetch(sqlite3_file *fd, i64 iOff, int nAmt, void **pp){ @@ -37842,13 +38736,13 @@ static int unixFetch(sqlite3_file *fd, i64 iOff, int nAmt, void **pp){ } /* -** If the third argument is non-NULL, then this function releases a +** If the third argument is non-NULL, then this function releases a ** reference obtained by an earlier call to unixFetch(). The second ** argument passed to this function must be the same as the corresponding -** argument that was passed to the unixFetch() invocation. +** argument that was passed to the unixFetch() invocation. ** -** Or, if the third argument is NULL, then this function is being called -** to inform the VFS layer that, according to POSIX, any existing mapping +** Or, if the third argument is NULL, then this function is being called +** to inform the VFS layer that, according to POSIX, any existing mapping ** may now be invalid and should be unmapped. */ static int unixUnfetch(sqlite3_file *fd, i64 iOff, void *p){ @@ -37856,7 +38750,7 @@ static int unixUnfetch(sqlite3_file *fd, i64 iOff, void *p){ unixFile *pFd = (unixFile *)fd; /* The underlying database file */ UNUSED_PARAMETER(iOff); - /* If p==0 (unmap the entire file) then there must be no outstanding + /* If p==0 (unmap the entire file) then there must be no outstanding ** xFetch references. Or, if p!=0 (meaning it is an xFetch reference), ** then there must be at least one outstanding. */ assert( (p==0)==(pFd->nFetchOut==0) ); @@ -38064,8 +38958,8 @@ IOMETHODS( #endif #if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE -/* -** This "finder" function attempts to determine the best locking strategy +/* +** This "finder" function attempts to determine the best locking strategy ** for the database file "filePath". It then returns the sqlite3_io_methods ** object that implements that strategy. ** @@ -38107,8 +39001,8 @@ static const sqlite3_io_methods *autolockIoFinderImpl( } /* Default case. Handles, amongst others, "nfs". - ** Test byte-range lock using fcntl(). If the call succeeds, - ** assume that the file-system supports POSIX style locks. + ** Test byte-range lock using fcntl(). If the call succeeds, + ** assume that the file-system supports POSIX style locks. */ lockInfo.l_len = 1; lockInfo.l_start = 0; @@ -38124,7 +39018,7 @@ static const sqlite3_io_methods *autolockIoFinderImpl( return &dotlockIoMethods; } } -static const sqlite3_io_methods +static const sqlite3_io_methods *(*const autolockIoFinder)(const char*,unixFile*) = autolockIoFinderImpl; #endif /* defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE */ @@ -38160,7 +39054,7 @@ static const sqlite3_io_methods *vxworksIoFinderImpl( return &semIoMethods; } } -static const sqlite3_io_methods +static const sqlite3_io_methods *(*const vxworksIoFinder)(const char*,unixFile*) = vxworksIoFinderImpl; #endif /* OS_VXWORKS */ @@ -38288,14 +39182,14 @@ static int fillInUnixFile( robust_close(pNew, h, __LINE__); h = -1; } - unixLeaveMutex(); + unixLeaveMutex(); } } #endif else if( pLockingStyle == &dotlockIoMethods ){ /* Dotfile locking uses the file path so it needs to be included in - ** the dotlockLockingContext + ** the dotlockLockingContext */ char *zLockFile; int nFilename; @@ -38333,7 +39227,7 @@ static int fillInUnixFile( unixLeaveMutex(); } #endif - + storeLastErrno(pNew, 0); #if OS_VXWORKS if( rc!=SQLITE_OK ){ @@ -38346,7 +39240,7 @@ static int fillInUnixFile( if( rc!=SQLITE_OK ){ if( h>=0 ) robust_close(pNew, h, __LINE__); }else{ - pNew->pMethod = pLockingStyle; + pId->pMethods = pLockingStyle; OpenCounter(+1); verifyDbFile(pNew); } @@ -38397,7 +39291,7 @@ static int unixGetTempname(int nBuf, char *zBuf){ /* It's odd to simulate an io-error here, but really this is just ** using the io-error infrastructure to test that SQLite handles this - ** function failing. + ** function failing. */ zBuf[0] = 0; SimulateIOError( return SQLITE_IOERR ); @@ -38426,8 +39320,8 @@ static int proxyTransformUnixFile(unixFile*, const char*); #endif /* -** Search for an unused file descriptor that was opened on the database -** file (not a journal or master-journal file) identified by pathname +** Search for an unused file descriptor that was opened on the database +** file (not a journal or super-journal file) identified by pathname ** zPath with SQLITE_OPEN_XXX flags matching those passed as the second ** argument to this function. ** @@ -38435,7 +39329,7 @@ static int proxyTransformUnixFile(unixFile*, const char*); ** but the associated file descriptor could not be closed because some ** other file descriptor open on the same file is holding a file-lock. ** Refer to comments in the unixClose() function and the lengthy comment -** describing "Posix Advisory Locking" at the start of this file for +** describing "Posix Advisory Locking" at the start of this file for ** further details. Also, ticket #4018. ** ** If a suitable file descriptor is found, then it is returned. If no @@ -38446,8 +39340,8 @@ static UnixUnusedFd *findReusableFd(const char *zPath, int flags){ /* Do not search for an unused file descriptor on vxworks. Not because ** vxworks would not benefit from the change (it might, we're not sure), - ** but because no way to test it is currently available. It is better - ** not to risk breaking vxworks support for the sake of such an obscure + ** but because no way to test it is currently available. It is better + ** not to risk breaking vxworks support for the sake of such an obscure ** feature. */ #if !OS_VXWORKS struct stat sStat; /* Results of stat() call */ @@ -38489,7 +39383,7 @@ static UnixUnusedFd *findReusableFd(const char *zPath, int flags){ } /* -** Find the mode, uid and gid of file zFile. +** Find the mode, uid and gid of file zFile. */ static int getFileMode( const char *zFile, /* File name */ @@ -38513,16 +39407,16 @@ static int getFileMode( ** This function is called by unixOpen() to determine the unix permissions ** to create new files with. If no error occurs, then SQLITE_OK is returned ** and a value suitable for passing as the third argument to open(2) is -** written to *pMode. If an IO error occurs, an SQLite error code is +** written to *pMode. If an IO error occurs, an SQLite error code is ** returned and the value of *pMode is not modified. ** ** In most cases, this routine sets *pMode to 0, which will become ** an indication to robust_open() to create the file using ** SQLITE_DEFAULT_FILE_PERMISSIONS adjusted by the umask. -** But if the file being opened is a WAL or regular journal file, then -** this function queries the file-system for the permissions on the -** corresponding database file and sets *pMode to this value. Whenever -** possible, WAL and journal files are created using the same permissions +** But if the file being opened is a WAL or regular journal file, then +** this function queries the file-system for the permissions on the +** corresponding database file and sets *pMode to this value. Whenever +** possible, WAL and journal files are created using the same permissions ** as the associated database file. ** ** If the SQLITE_ENABLE_8_3_NAMES option is enabled, then the @@ -38554,14 +39448,14 @@ static int findCreateFileMode( ** "<path to db>-journalNN" ** "<path to db>-walNN" ** - ** where NN is a decimal number. The NN naming schemes are + ** where NN is a decimal number. The NN naming schemes are ** used by the test_multiplex.c module. */ - nDb = sqlite3Strlen30(zPath) - 1; + nDb = sqlite3Strlen30(zPath) - 1; while( zPath[nDb]!='-' ){ /* In normal operation, the journal file name will always contain ** a '-' character. However in 8+3 filename mode, or if a corrupt - ** rollback journal specifies a master journal with a goofy name, then + ** rollback journal specifies a super-journal with a goofy name, then ** the '-' might be missing. */ if( nDb==0 || zPath[nDb]=='.' ) return SQLITE_OK; nDb--; @@ -38587,7 +39481,7 @@ static int findCreateFileMode( /* ** Open the file zPath. -** +** ** Previously, the SQLite OS layer used three functions in place of this ** one: ** @@ -38598,13 +39492,13 @@ static int findCreateFileMode( ** These calls correspond to the following combinations of flags: ** ** ReadWrite() -> (READWRITE | CREATE) -** ReadOnly() -> (READONLY) +** ReadOnly() -> (READONLY) ** OpenExclusive() -> (READWRITE | CREATE | EXCLUSIVE) ** ** The old OpenExclusive() accepted a boolean argument - "delFlag". If ** true, the file was configured to be automatically deleted when the -** file handle closed. To achieve the same effect using this new -** interface, add the DELETEONCLOSE flag to those specified above for +** file handle closed. To achieve the same effect using this new +** interface, add the DELETEONCLOSE flag to those specified above for ** OpenExclusive(). */ static int unixOpen( @@ -38617,7 +39511,7 @@ static int unixOpen( unixFile *p = (unixFile *)pFile; int fd = -1; /* File descriptor returned by open() */ int openFlags = 0; /* Flags to pass to open() */ - int eType = flags&0xFFFFFF00; /* Type of file to open */ + int eType = flags&0x0FFF00; /* Type of file to open */ int noLock; /* True to omit locking primitives */ int rc = SQLITE_OK; /* Function Return Code */ int ctrlFlags = 0; /* UNIXFILE_* flags */ @@ -38634,13 +39528,13 @@ static int unixOpen( struct statfs fsInfo; #endif - /* If creating a master or main-file journal, this function will open + /* If creating a super- or main-file journal, this function will open ** a file-descriptor on the directory too. The first time unixSync() ** is called the directory file descriptor will be fsync()ed and close()d. */ int isNewJrnl = (isCreate && ( - eType==SQLITE_OPEN_MASTER_JOURNAL - || eType==SQLITE_OPEN_MAIN_JOURNAL + eType==SQLITE_OPEN_SUPER_JOURNAL + || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_WAL )); @@ -38650,9 +39544,9 @@ static int unixOpen( char zTmpname[MAX_PATHNAME+2]; const char *zName = zPath; - /* Check the following statements are true: + /* Check the following statements are true: ** - ** (a) Exactly one of the READWRITE and READONLY flags must be set, and + ** (a) Exactly one of the READWRITE and READONLY flags must be set, and ** (b) if CREATE is set, then READWRITE must also be set, and ** (c) if EXCLUSIVE is set, then CREATE must also be set. ** (d) if DELETEONCLOSE is set, then CREATE must also be set. @@ -38662,17 +39556,17 @@ static int unixOpen( assert(isExclusive==0 || isCreate); assert(isDelete==0 || isCreate); - /* The main DB, main journal, WAL file and master journal are never + /* The main DB, main journal, WAL file and super-journal are never ** automatically deleted. Nor are they ever temporary files. */ assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_DB ); assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_JOURNAL ); - assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MASTER_JOURNAL ); + assert( (!isDelete && zName) || eType!=SQLITE_OPEN_SUPER_JOURNAL ); assert( (!isDelete && zName) || eType!=SQLITE_OPEN_WAL ); /* Assert that the upper layer has set one of the "file-type" flags. */ - assert( eType==SQLITE_OPEN_MAIN_DB || eType==SQLITE_OPEN_TEMP_DB - || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_TEMP_JOURNAL - || eType==SQLITE_OPEN_SUBJOURNAL || eType==SQLITE_OPEN_MASTER_JOURNAL + assert( eType==SQLITE_OPEN_MAIN_DB || eType==SQLITE_OPEN_TEMP_DB + || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_TEMP_JOURNAL + || eType==SQLITE_OPEN_SUBJOURNAL || eType==SQLITE_OPEN_SUPER_JOURNAL || eType==SQLITE_OPEN_TRANSIENT_DB || eType==SQLITE_OPEN_WAL ); @@ -38721,13 +39615,13 @@ static int unixOpen( /* Determine the value of the flags parameter passed to POSIX function ** open(). These must be calculated even if open() is not called, as - ** they may be stored as part of the file handle and used by the + ** they may be stored as part of the file handle and used by the ** 'conch file' locking functions later on. */ if( isReadonly ) openFlags |= O_RDONLY; if( isReadWrite ) openFlags |= O_RDWR; if( isCreate ) openFlags |= O_CREAT; if( isExclusive ) openFlags |= (O_EXCL|O_NOFOLLOW); - openFlags |= (O_LARGEFILE|O_BINARY); + openFlags |= (O_LARGEFILE|O_BINARY|O_NOFOLLOW); if( fd<0 ){ mode_t openMode; /* Permissions to create file with */ @@ -38786,7 +39680,7 @@ static int unixOpen( if( p->pPreallocatedUnused ){ p->pPreallocatedUnused->fd = fd; - p->pPreallocatedUnused->flags = + p->pPreallocatedUnused->flags = flags & (SQLITE_OPEN_READONLY|SQLITE_OPEN_READWRITE); } @@ -38808,7 +39702,7 @@ static int unixOpen( p->openFlags = openFlags; } #endif - + #if defined(__APPLE__) || SQLITE_ENABLE_LOCKING_STYLE if( fstatfs(fd, &fsInfo) == -1 ){ storeLastErrno(p, errno); @@ -38839,7 +39733,7 @@ static int unixOpen( char *envforce = getenv("SQLITE_FORCE_PROXY_LOCKING"); int useProxy = 0; - /* SQLITE_FORCE_PROXY_LOCKING==1 means force always use proxy, 0 means + /* SQLITE_FORCE_PROXY_LOCKING==1 means force always use proxy, 0 means ** never use proxy, NULL means use proxy for non-local files only. */ if( envforce!=NULL ){ useProxy = atoi(envforce)>0; @@ -38851,9 +39745,9 @@ static int unixOpen( if( rc==SQLITE_OK ){ rc = proxyTransformUnixFile((unixFile*)pFile, ":auto:"); if( rc!=SQLITE_OK ){ - /* Use unixClose to clean up the resources added in fillInUnixFile - ** and clear all the structure's references. Specifically, - ** pFile->pMethods will be NULL so sqlite3OsClose will be a no-op + /* Use unixClose to clean up the resources added in fillInUnixFile + ** and clear all the structure's references. Specifically, + ** pFile->pMethods will be NULL so sqlite3OsClose will be a no-op */ unixClose(pFile); return rc; @@ -38863,9 +39757,9 @@ static int unixOpen( } } #endif - - assert( zPath==0 || zPath[0]=='/' - || eType==SQLITE_OPEN_MASTER_JOURNAL || eType==SQLITE_OPEN_MAIN_JOURNAL + + assert( zPath==0 || zPath[0]=='/' + || eType==SQLITE_OPEN_SUPER_JOURNAL || eType==SQLITE_OPEN_MAIN_JOURNAL ); rc = fillInUnixFile(pVfs, fd, pFile, zPath, ctrlFlags); @@ -38945,7 +39839,8 @@ static int unixAccess( if( flags==SQLITE_ACCESS_EXISTS ){ struct stat buf; - *pResOut = (0==osStat(zPath, &buf) && buf.st_size>0); + *pResOut = 0==osStat(zPath, &buf) && + (!S_ISREG(buf.st_mode) || buf.st_size>0); }else{ *pResOut = osAccess(zPath, W_OK|R_OK)==0; } @@ -38982,9 +39877,9 @@ static int mkFullPathname( /* ** Turn a relative pathname into a full pathname. The relative path ** is stored as a nul-terminated string in the buffer pointed to by -** zPath. +** zPath. ** -** zOut points to a buffer of at least sqlite3_vfs.mxPathname bytes +** zOut points to a buffer of at least sqlite3_vfs.mxPathname bytes ** (in this case, MAX_PATHNAME bytes). The full-path is written to ** this buffer before returning. */ @@ -38999,7 +39894,7 @@ static int unixFullPathname( #else int rc = SQLITE_OK; int nByte; - int nLink = 1; /* Number of symbolic links followed so far */ + int nLink = 0; /* Number of symbolic links followed so far */ const char *zIn = zPath; /* Input path for each iteration of loop */ char *zDel = 0; @@ -39028,10 +39923,11 @@ static int unixFullPathname( } if( bLink ){ + nLink++; if( zDel==0 ){ zDel = sqlite3_malloc(nOut); if( zDel==0 ) rc = SQLITE_NOMEM_BKPT; - }else if( ++nLink>SQLITE_MAX_SYMLINKS ){ + }else if( nLink>=SQLITE_MAX_SYMLINKS ){ rc = SQLITE_CANTOPEN_BKPT; } @@ -39067,6 +39963,7 @@ static int unixFullPathname( }while( rc==SQLITE_OK ); sqlite3_free(zDel); + if( rc==SQLITE_OK && nLink ) rc = SQLITE_OK_SYMLINK; return rc; #endif /* HAVE_READLINK && HAVE_LSTAT */ } @@ -39101,7 +39998,7 @@ static void unixDlError(sqlite3_vfs *NotUsed, int nBuf, char *zBufOut){ unixLeaveMutex(); } static void (*unixDlSym(sqlite3_vfs *NotUsed, void *p, const char*zSym))(void){ - /* + /* ** GCC with -pedantic-errors says that C90 does not allow a void* to be ** cast into a pointer to a function. And yet the library dlsym() routine ** returns a void* which is really a pointer to a function. So how do we @@ -39111,7 +40008,7 @@ static void (*unixDlSym(sqlite3_vfs *NotUsed, void *p, const char*zSym))(void){ ** parameters void* and const char* and returning a pointer to a function. ** We initialize x by assigning it a pointer to the dlsym() function. ** (That assignment requires a cast.) Then we call the function that - ** x points to. + ** x points to. ** ** This work-around is unlikely to work correctly on any system where ** you really cannot cast a function pointer into void*. But then, on the @@ -39154,7 +40051,7 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nBuf, char *zBuf){ ** tests repeatable. */ memset(zBuf, 0, nBuf); - randomnessPid = osGetpid(0); + randomnessPid = osGetpid(0); #if !defined(SQLITE_TEST) && !defined(SQLITE_OMIT_RANDOMNESS) { int fd, got; @@ -39221,7 +40118,7 @@ SQLITE_API int sqlite3_current_time = 0; /* Fake system time in seconds since 1 ** epoch of noon in Greenwich on November 24, 4714 B.C according to the ** proleptic Gregorian calendar. ** -** On success, return SQLITE_OK. Return SQLITE_ERROR if the time and date +** On success, return SQLITE_OK. Return SQLITE_ERROR if the time and date ** cannot be found. */ static int unixCurrentTimeInt64(sqlite3_vfs *NotUsed, sqlite3_int64 *piNow){ @@ -39328,7 +40225,7 @@ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){ ** To address the performance and cache coherency issues, proxy file locking ** changes the way database access is controlled by limiting access to a ** single host at a time and moving file locks off of the database file -** and onto a proxy file on the local file system. +** and onto a proxy file on the local file system. ** ** ** Using proxy locks @@ -39354,19 +40251,19 @@ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){ ** actual proxy file name is generated from the name and path of the ** database file. For example: ** -** For database path "/Users/me/foo.db" +** For database path "/Users/me/foo.db" ** The lock path will be "<tmpdir>/sqliteplocks/_Users_me_foo.db:auto:") ** ** Once a lock proxy is configured for a database connection, it can not ** be removed, however it may be switched to a different proxy path via ** the above APIs (assuming the conch file is not being held by another -** connection or process). +** connection or process). ** ** ** How proxy locking works ** ----------------------- ** -** Proxy file locking relies primarily on two new supporting files: +** Proxy file locking relies primarily on two new supporting files: ** ** * conch file to limit access to the database file to a single host ** at a time @@ -39393,11 +40290,11 @@ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){ ** host (the conch ensures that they all use the same local lock file). ** ** Requesting the lock proxy does not immediately take the conch, it is -** only taken when the first request to lock database file is made. +** only taken when the first request to lock database file is made. ** This matches the semantics of the traditional locking behavior, where ** opening a connection to a database file does not take a lock on it. -** The shared lock and an open file descriptor are maintained until -** the connection to the database is closed. +** The shared lock and an open file descriptor are maintained until +** the connection to the database is closed. ** ** The proxy file and the lock file are never deleted so they only need ** to be created the first time they are used. @@ -39411,7 +40308,7 @@ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){ ** automatically configured for proxy locking, lock files are ** named automatically using the same logic as ** PRAGMA lock_proxy_file=":auto:" -** +** ** SQLITE_PROXY_DEBUG ** ** Enables the logging of error messages during host id file @@ -39426,8 +40323,8 @@ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){ ** ** Permissions to use when creating a directory for storing the ** lock proxy files, only used when LOCKPROXYDIR is not set. -** -** +** +** ** As mentioned above, when compiled with SQLITE_PREFER_PROXY_LOCKING, ** setting the environment variable SQLITE_FORCE_PROXY_LOCKING to 1 will ** force proxy locking to be used for every database file opened, and 0 @@ -39437,12 +40334,12 @@ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){ */ /* -** Proxy locking is only available on MacOSX +** Proxy locking is only available on MacOSX */ #if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE /* -** The proxyLockingContext has the path and file structures for the remote +** The proxyLockingContext has the path and file structures for the remote ** and local proxy files in it */ typedef struct proxyLockingContext proxyLockingContext; @@ -39458,10 +40355,10 @@ struct proxyLockingContext { sqlite3_io_methods const *pOldMethod; /* Original I/O methods for close */ }; -/* -** The proxy lock file path for the database at dbPath is written into lPath, +/* +** The proxy lock file path for the database at dbPath is written into lPath, ** which must point to valid, writable memory large enough for a maxLen length -** file path. +** file path. */ static int proxyGetLockPath(const char *dbPath, char *lPath, size_t maxLen){ int len; @@ -39478,7 +40375,7 @@ static int proxyGetLockPath(const char *dbPath, char *lPath, size_t maxLen){ lPath, errno, osGetpid(0))); return SQLITE_IOERR_LOCK; } - len = strlcat(lPath, "sqliteplocks", maxLen); + len = strlcat(lPath, "sqliteplocks", maxLen); } # else len = strlcpy(lPath, "/tmp/", maxLen); @@ -39488,7 +40385,7 @@ static int proxyGetLockPath(const char *dbPath, char *lPath, size_t maxLen){ if( lPath[len-1]!='/' ){ len = strlcat(lPath, "/", maxLen); } - + /* transform the db path to a unique cache name */ dbLen = (int)strlen(dbPath); for( i=0; i<dbLen && (i+len+7)<(int)maxLen; i++){ @@ -39501,14 +40398,14 @@ static int proxyGetLockPath(const char *dbPath, char *lPath, size_t maxLen){ return SQLITE_OK; } -/* +/* ** Creates the lock file and any missing directories in lockPath */ static int proxyCreateLockPath(const char *lockPath){ int i, len; char buf[MAXPATHLEN]; int start = 0; - + assert(lockPath!=NULL); /* try to create all the intermediate directories */ len = (int)strlen(lockPath); @@ -39516,7 +40413,7 @@ static int proxyCreateLockPath(const char *lockPath){ for( i=1; i<len; i++ ){ if( lockPath[i] == '/' && (i - start > 0) ){ /* only mkdir if leaf dir != "." or "/" or ".." */ - if( i-start>2 || (i-start==1 && buf[start] != '.' && buf[start] != '/') + if( i-start>2 || (i-start==1 && buf[start] != '.' && buf[start] != '/') || (i-start==2 && buf[start] != '.' && buf[start+1] != '.') ){ buf[i]='\0'; if( osMkdir(buf, SQLITE_DEFAULT_PROXYDIR_PERMISSIONS) ){ @@ -39552,7 +40449,7 @@ static int proxyCreateUnixFile( int fd = -1; unixFile *pNew; int rc = SQLITE_OK; - int openFlags = O_RDWR | O_CREAT; + int openFlags = O_RDWR | O_CREAT | O_NOFOLLOW; sqlite3_vfs dummyVfs; int terrno = 0; UnixUnusedFd *pUnused = NULL; @@ -39582,7 +40479,7 @@ static int proxyCreateUnixFile( } } if( fd<0 ){ - openFlags = O_RDONLY; + openFlags = O_RDONLY | O_NOFOLLOW; fd = robust_open(path, openFlags, 0); terrno = errno; } @@ -39593,13 +40490,13 @@ static int proxyCreateUnixFile( switch (terrno) { case EACCES: return SQLITE_PERM; - case EIO: + case EIO: return SQLITE_IOERR_LOCK; /* even though it is the conch */ default: return SQLITE_CANTOPEN_BKPT; } } - + pNew = (unixFile *)sqlite3_malloc64(sizeof(*pNew)); if( pNew==NULL ){ rc = SQLITE_NOMEM_BKPT; @@ -39613,13 +40510,13 @@ static int proxyCreateUnixFile( pUnused->fd = fd; pUnused->flags = openFlags; pNew->pPreallocatedUnused = pUnused; - + rc = fillInUnixFile(&dummyVfs, fd, (sqlite3_file*)pNew, path, 0); if( rc==SQLITE_OK ){ *ppFile = pNew; return SQLITE_OK; } -end_create_proxy: +end_create_proxy: robust_close(pNew, fd, __LINE__); sqlite3_free(pNew); sqlite3_free(pUnused); @@ -39638,7 +40535,7 @@ SQLITE_API int sqlite3_hostid_num = 0; extern int gethostuuid(uuid_t id, const struct timespec *wait); #endif -/* get the host ID via gethostuuid(), pHostID must point to PROXY_HOSTIDLEN +/* get the host ID via gethostuuid(), pHostID must point to PROXY_HOSTIDLEN ** bytes of writable memory. */ static int proxyGetHostID(unsigned char *pHostID, int *pError){ @@ -39664,7 +40561,7 @@ static int proxyGetHostID(unsigned char *pHostID, int *pError){ pHostID[0] = (char)(pHostID[0] + (char)(sqlite3_hostid_num & 0xFF)); } #endif - + return SQLITE_OK; } @@ -39675,14 +40572,14 @@ static int proxyGetHostID(unsigned char *pHostID, int *pError){ #define PROXY_PATHINDEX (PROXY_HEADERLEN+PROXY_HOSTIDLEN) #define PROXY_MAXCONCHLEN (PROXY_HEADERLEN+PROXY_HOSTIDLEN+MAXPATHLEN) -/* -** Takes an open conch file, copies the contents to a new path and then moves +/* +** Takes an open conch file, copies the contents to a new path and then moves ** it back. The newly created file's file descriptor is assigned to the -** conch file structure and finally the original conch file descriptor is +** conch file structure and finally the original conch file descriptor is ** closed. Returns zero if successful. */ static int proxyBreakConchLock(unixFile *pFile, uuid_t myHostID){ - proxyLockingContext *pCtx = (proxyLockingContext *)pFile->lockingContext; + proxyLockingContext *pCtx = (proxyLockingContext *)pFile->lockingContext; unixFile *conchFile = pCtx->conchFile; char tPath[MAXPATHLEN]; char buf[PROXY_MAXCONCHLEN]; @@ -39696,7 +40593,7 @@ static int proxyBreakConchLock(unixFile *pFile, uuid_t myHostID){ /* create a new path by replace the trailing '-conch' with '-break' */ pathLen = strlcpy(tPath, cPath, MAXPATHLEN); - if( pathLen>MAXPATHLEN || pathLen<6 || + if( pathLen>MAXPATHLEN || pathLen<6 || (strlcpy(&tPath[pathLen-5], "break", 6) != 5) ){ sqlite3_snprintf(sizeof(errmsg),errmsg,"path error (len %d)",(int)pathLen); goto end_breaklock; @@ -39708,7 +40605,7 @@ static int proxyBreakConchLock(unixFile *pFile, uuid_t myHostID){ goto end_breaklock; } /* write it out to the temporary break file */ - fd = robust_open(tPath, (O_RDWR|O_CREAT|O_EXCL), 0); + fd = robust_open(tPath, (O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW), 0); if( fd<0 ){ sqlite3_snprintf(sizeof(errmsg), errmsg, "create failed (%d)", errno); goto end_breaklock; @@ -39738,24 +40635,24 @@ end_breaklock: return rc; } -/* Take the requested lock on the conch file and break a stale lock if the +/* Take the requested lock on the conch file and break a stale lock if the ** host id matches. */ static int proxyConchLock(unixFile *pFile, uuid_t myHostID, int lockType){ - proxyLockingContext *pCtx = (proxyLockingContext *)pFile->lockingContext; + proxyLockingContext *pCtx = (proxyLockingContext *)pFile->lockingContext; unixFile *conchFile = pCtx->conchFile; int rc = SQLITE_OK; int nTries = 0; struct timespec conchModTime; - + memset(&conchModTime, 0, sizeof(conchModTime)); do { rc = conchFile->pMethod->xLock((sqlite3_file*)conchFile, lockType); nTries ++; if( rc==SQLITE_BUSY ){ /* If the lock failed (busy): - * 1st try: get the mod time of the conch, wait 0.5s and try again. - * 2nd try: fail if the mod time changed or host id is different, wait + * 1st try: get the mod time of the conch, wait 0.5s and try again. + * 2nd try: fail if the mod time changed or host id is different, wait * 10 sec and try again * 3rd try: break the lock unless the mod time has changed. */ @@ -39764,20 +40661,20 @@ static int proxyConchLock(unixFile *pFile, uuid_t myHostID, int lockType){ storeLastErrno(pFile, errno); return SQLITE_IOERR_LOCK; } - + if( nTries==1 ){ conchModTime = buf.st_mtimespec; usleep(500000); /* wait 0.5 sec and try the lock again*/ - continue; + continue; } assert( nTries>1 ); - if( conchModTime.tv_sec != buf.st_mtimespec.tv_sec || + if( conchModTime.tv_sec != buf.st_mtimespec.tv_sec || conchModTime.tv_nsec != buf.st_mtimespec.tv_nsec ){ return SQLITE_BUSY; } - - if( nTries==2 ){ + + if( nTries==2 ){ char tBuf[PROXY_MAXCONCHLEN]; int len = osPread(conchFile->h, tBuf, PROXY_MAXCONCHLEN, 0); if( len<0 ){ @@ -39794,9 +40691,9 @@ static int proxyConchLock(unixFile *pFile, uuid_t myHostID, int lockType){ return SQLITE_BUSY; } usleep(10000000); /* wait 10 sec and try the lock again */ - continue; + continue; } - + assert( nTries==3 ); if( 0==proxyBreakConchLock(pFile, myHostID) ){ rc = SQLITE_OK; @@ -39809,19 +40706,19 @@ static int proxyConchLock(unixFile *pFile, uuid_t myHostID, int lockType){ } } } while( rc==SQLITE_BUSY && nTries<3 ); - + return rc; } -/* Takes the conch by taking a shared lock and read the contents conch, if -** lockPath is non-NULL, the host ID and lock file path must match. A NULL -** lockPath means that the lockPath in the conch file will be used if the -** host IDs match, or a new lock path will be generated automatically +/* Takes the conch by taking a shared lock and read the contents conch, if +** lockPath is non-NULL, the host ID and lock file path must match. A NULL +** lockPath means that the lockPath in the conch file will be used if the +** host IDs match, or a new lock path will be generated automatically ** and written to the conch file. */ static int proxyTakeConch(unixFile *pFile){ - proxyLockingContext *pCtx = (proxyLockingContext *)pFile->lockingContext; - + proxyLockingContext *pCtx = (proxyLockingContext *)pFile->lockingContext; + if( pCtx->conchHeld!=0 ){ return SQLITE_OK; }else{ @@ -39837,7 +40734,7 @@ static int proxyTakeConch(unixFile *pFile){ int readLen = 0; int tryOldLockPath = 0; int forceNewLockPath = 0; - + OSTRACE(("TAKECONCH %d for %s pid=%d\n", conchFile->h, (pCtx->lockProxyPath ? pCtx->lockProxyPath : ":auto:"), osGetpid(0))); @@ -39858,21 +40755,21 @@ static int proxyTakeConch(unixFile *pFile){ storeLastErrno(pFile, conchFile->lastErrno); rc = SQLITE_IOERR_READ; goto end_takeconch; - }else if( readLen<=(PROXY_HEADERLEN+PROXY_HOSTIDLEN) || + }else if( readLen<=(PROXY_HEADERLEN+PROXY_HOSTIDLEN) || readBuf[0]!=(char)PROXY_CONCHVERSION ){ - /* a short read or version format mismatch means we need to create a new - ** conch file. + /* a short read or version format mismatch means we need to create a new + ** conch file. */ createConch = 1; } /* if the host id matches and the lock path already exists in the conch - ** we'll try to use the path there, if we can't open that path, we'll - ** retry with a new auto-generated path + ** we'll try to use the path there, if we can't open that path, we'll + ** retry with a new auto-generated path */ do { /* in case we need to try again for an :auto: named lock file */ if( !createConch && !forceNewLockPath ){ - hostIdMatch = !memcmp(&readBuf[PROXY_HEADERLEN], myHostID, + hostIdMatch = !memcmp(&readBuf[PROXY_HEADERLEN], myHostID, PROXY_HOSTIDLEN); /* if the conch has data compare the contents */ if( !pCtx->lockProxyPath ){ @@ -39881,7 +40778,7 @@ static int proxyTakeConch(unixFile *pFile){ */ if( hostIdMatch ){ size_t pathLen = (readLen - PROXY_PATHINDEX); - + if( pathLen>=MAXPATHLEN ){ pathLen=MAXPATHLEN-1; } @@ -39897,23 +40794,23 @@ static int proxyTakeConch(unixFile *pFile){ readLen-PROXY_PATHINDEX) ){ /* conch host and lock path match */ - goto end_takeconch; + goto end_takeconch; } } - + /* if the conch isn't writable and doesn't match, we can't take it */ if( (conchFile->openFlags&O_RDWR) == 0 ){ rc = SQLITE_BUSY; goto end_takeconch; } - + /* either the conch didn't match or we need to create a new one */ if( !pCtx->lockProxyPath ){ proxyGetLockPath(pCtx->dbPath, lockPath, MAXPATHLEN); tempLockPath = lockPath; /* create a copy of the lock path _only_ if the conch is taken */ } - + /* update conch with host and path (this will fail if other process ** has a shared lock already), if the host id matches, use the big ** stick. @@ -39924,7 +40821,7 @@ static int proxyTakeConch(unixFile *pFile){ /* We are trying for an exclusive lock but another thread in this ** same process is still holding a shared lock. */ rc = SQLITE_BUSY; - } else { + } else { rc = proxyConchLock(pFile, myHostID, EXCLUSIVE_LOCK); } }else{ @@ -39933,7 +40830,7 @@ static int proxyTakeConch(unixFile *pFile){ if( rc==SQLITE_OK ){ char writeBuffer[PROXY_MAXCONCHLEN]; int writeSize = 0; - + writeBuffer[0] = (char)PROXY_CONCHVERSION; memcpy(&writeBuffer[PROXY_HEADERLEN], myHostID, PROXY_HOSTIDLEN); if( pCtx->lockProxyPath!=NULL ){ @@ -39946,8 +40843,8 @@ static int proxyTakeConch(unixFile *pFile){ robust_ftruncate(conchFile->h, writeSize); rc = unixWrite((sqlite3_file *)conchFile, writeBuffer, writeSize, 0); full_fsync(conchFile->h,0,0); - /* If we created a new conch file (not just updated the contents of a - ** valid conch file), try to match the permissions of the database + /* If we created a new conch file (not just updated the contents of a + ** valid conch file), try to match the permissions of the database */ if( rc==SQLITE_OK && createConch ){ struct stat buf; @@ -39971,14 +40868,14 @@ static int proxyTakeConch(unixFile *pFile){ } }else{ int code = errno; - fprintf(stderr, "STAT FAILED[%d] with %d %s\n", + fprintf(stderr, "STAT FAILED[%d] with %d %s\n", err, code, strerror(code)); #endif } } } conchFile->pMethod->xUnlock((sqlite3_file*)conchFile, SHARED_LOCK); - + end_takeconch: OSTRACE(("TRANSPROXY: CLOSE %d\n", pFile->h)); if( rc==SQLITE_OK && pFile->openFlags ){ @@ -40001,7 +40898,7 @@ static int proxyTakeConch(unixFile *pFile){ rc = proxyCreateUnixFile(path, &pCtx->lockProxy, 1); if( rc!=SQLITE_OK && rc!=SQLITE_NOMEM && tryOldLockPath ){ /* we couldn't create the proxy lock file with the old lock file path - ** so try again via auto-naming + ** so try again via auto-naming */ forceNewLockPath = 1; tryOldLockPath = 0; @@ -40021,7 +40918,7 @@ static int proxyTakeConch(unixFile *pFile){ } if( rc==SQLITE_OK ){ pCtx->conchHeld = 1; - + if( pCtx->lockProxy->pMethod == &afpIoMethods ){ afpLockingContext *afpCtx; afpCtx = (afpLockingContext *)pCtx->lockProxy->lockingContext; @@ -40033,7 +40930,7 @@ static int proxyTakeConch(unixFile *pFile){ OSTRACE(("TAKECONCH %d %s\n", conchFile->h, rc==SQLITE_OK?"ok":"failed")); return rc; - } while (1); /* in case we need to retry the :auto: lock file - + } while (1); /* in case we need to retry the :auto: lock file - ** we should never get here except via the 'continue' call. */ } } @@ -40049,7 +40946,7 @@ static int proxyReleaseConch(unixFile *pFile){ pCtx = (proxyLockingContext *)pFile->lockingContext; conchFile = pCtx->conchFile; OSTRACE(("RELEASECONCH %d for %s pid=%d\n", conchFile->h, - (pCtx->lockProxyPath ? pCtx->lockProxyPath : ":auto:"), + (pCtx->lockProxyPath ? pCtx->lockProxyPath : ":auto:"), osGetpid(0))); if( pCtx->conchHeld>0 ){ rc = conchFile->pMethod->xUnlock((sqlite3_file*)conchFile, NO_LOCK); @@ -40077,13 +40974,13 @@ static int proxyCreateConchPathname(char *dbPath, char **pConchPath){ char *conchPath; /* buffer in which to construct conch name */ /* Allocate space for the conch filename and initialize the name to - ** the name of the original database file. */ + ** the name of the original database file. */ *pConchPath = conchPath = (char *)sqlite3_malloc64(len + 8); if( conchPath==0 ){ return SQLITE_NOMEM_BKPT; } memcpy(conchPath, dbPath, len+1); - + /* now insert a "." before the last / character */ for( i=(len-1); i>=0; i-- ){ if( conchPath[i]=='/' ){ @@ -40106,7 +41003,7 @@ static int proxyCreateConchPathname(char *dbPath, char **pConchPath){ /* Takes a fully configured proxy locking-style unix file and switches -** the local lock file path +** the local lock file path */ static int switchLockProxyPath(unixFile *pFile, const char *path) { proxyLockingContext *pCtx = (proxyLockingContext*)pFile->lockingContext; @@ -40115,7 +41012,7 @@ static int switchLockProxyPath(unixFile *pFile, const char *path) { if( pFile->eFileLock!=NO_LOCK ){ return SQLITE_BUSY; - } + } /* nothing to do if the path is NULL, :auto: or matches the existing path */ if( !path || path[0]=='\0' || !strcmp(path, ":auto:") || @@ -40133,7 +41030,7 @@ static int switchLockProxyPath(unixFile *pFile, const char *path) { sqlite3_free(oldPath); pCtx->lockProxyPath = sqlite3DbStrDup(0, path); } - + return rc; } @@ -40147,7 +41044,7 @@ static int switchLockProxyPath(unixFile *pFile, const char *path) { static int proxyGetDbPathForUnixFile(unixFile *pFile, char *dbPath){ #if defined(__APPLE__) if( pFile->pMethod == &afpIoMethods ){ - /* afp style keeps a reference to the db path in the filePath field + /* afp style keeps a reference to the db path in the filePath field ** of the struct */ assert( (int)strlen((char*)pFile->lockingContext)<=MAXPATHLEN ); strlcpy(dbPath, ((afpLockingContext *)pFile->lockingContext)->dbPath, @@ -40168,9 +41065,9 @@ static int proxyGetDbPathForUnixFile(unixFile *pFile, char *dbPath){ } /* -** Takes an already filled in unix file and alters it so all file locking +** Takes an already filled in unix file and alters it so all file locking ** will be performed on the local proxy lock file. The following fields -** are preserved in the locking context so that they can be restored and +** are preserved in the locking context so that they can be restored and ** the unix structure properly cleaned up at close time: ** ->lockingContext ** ->pMethod @@ -40180,7 +41077,7 @@ static int proxyTransformUnixFile(unixFile *pFile, const char *path) { char dbPath[MAXPATHLEN+1]; /* Name of the database file */ char *lockPath=NULL; int rc = SQLITE_OK; - + if( pFile->eFileLock!=NO_LOCK ){ return SQLITE_BUSY; } @@ -40190,7 +41087,7 @@ static int proxyTransformUnixFile(unixFile *pFile, const char *path) { }else{ lockPath=(char *)path; } - + OSTRACE(("TRANSPROXY %d for %s pid=%d\n", pFile->h, (lockPath ? lockPath : ":auto:"), osGetpid(0))); @@ -40224,7 +41121,7 @@ static int proxyTransformUnixFile(unixFile *pFile, const char *path) { rc = SQLITE_OK; } } - } + } if( rc==SQLITE_OK && lockPath ){ pCtx->lockProxyPath = sqlite3DbStrDup(0, lockPath); } @@ -40236,7 +41133,7 @@ static int proxyTransformUnixFile(unixFile *pFile, const char *path) { } } if( rc==SQLITE_OK ){ - /* all memory is allocated, proxys are created and assigned, + /* all memory is allocated, proxys are created and assigned, ** switch the locking context and pMethod then return. */ pCtx->oldLockingContext = pFile->lockingContext; @@ -40244,12 +41141,12 @@ static int proxyTransformUnixFile(unixFile *pFile, const char *path) { pCtx->pOldMethod = pFile->pMethod; pFile->pMethod = &proxyIoMethods; }else{ - if( pCtx->conchFile ){ + if( pCtx->conchFile ){ pCtx->conchFile->pMethod->xClose((sqlite3_file *)pCtx->conchFile); sqlite3_free(pCtx->conchFile); } sqlite3DbFree(0, pCtx->lockProxyPath); - sqlite3_free(pCtx->conchFilePath); + sqlite3_free(pCtx->conchFilePath); sqlite3_free(pCtx); } OSTRACE(("TRANSPROXY %d %s\n", pFile->h, @@ -40287,7 +41184,7 @@ static int proxyFileControl(sqlite3_file *id, int op, void *pArg){ if( isProxyStyle ){ /* turn off proxy locking - not supported. If support is added for ** switching proxy locking mode off then it will need to fail if - ** the journal mode is WAL mode. + ** the journal mode is WAL mode. */ rc = SQLITE_ERROR /*SQLITE_PROTOCOL? SQLITE_MISUSE?*/; }else{ @@ -40297,9 +41194,9 @@ static int proxyFileControl(sqlite3_file *id, int op, void *pArg){ }else{ const char *proxyPath = (const char *)pArg; if( isProxyStyle ){ - proxyLockingContext *pCtx = + proxyLockingContext *pCtx = (proxyLockingContext*)pFile->lockingContext; - if( !strcmp(pArg, ":auto:") + if( !strcmp(pArg, ":auto:") || (pCtx->lockProxyPath && !strncmp(pCtx->lockProxyPath, proxyPath, MAXPATHLEN)) ){ @@ -40424,7 +41321,7 @@ static int proxyClose(sqlite3_file *id) { unixFile *lockProxy = pCtx->lockProxy; unixFile *conchFile = pCtx->conchFile; int rc = SQLITE_OK; - + if( lockProxy ){ rc = lockProxy->pMethod->xUnlock((sqlite3_file*)lockProxy, NO_LOCK); if( rc ) return rc; @@ -40461,7 +41358,7 @@ static int proxyClose(sqlite3_file *id) { ** The proxy locking style is intended for use with AFP filesystems. ** And since AFP is only supported on MacOSX, the proxy locking is also ** restricted to MacOSX. -** +** ** ******************* End of the proxy lock implementation ********************** ******************************************************************************/ @@ -40479,8 +41376,8 @@ static int proxyClose(sqlite3_file *id) { ** necessarily been initialized when this routine is called, and so they ** should not be used. */ -SQLITE_API int sqlite3_os_init(void){ - /* +SQLITE_API int sqlite3_os_init(void){ + /* ** The following macro defines an initializer for an sqlite3_vfs object. ** The name of the VFS is NAME. The pAppData is a pointer to a pointer ** to the "finder" function. (pAppData is a pointer to a pointer because @@ -40496,7 +41393,7 @@ SQLITE_API int sqlite3_os_init(void){ ** ** Most finders simply return a pointer to a fixed sqlite3_io_methods ** object. But the "autolockIoFinder" available on MacOSX does a little - ** more than that; it looks at the filesystem type that hosts the + ** more than that; it looks at the filesystem type that hosts the ** database file and tries to choose an locking method appropriate for ** that filesystem time. */ @@ -40569,7 +41466,7 @@ SQLITE_API int sqlite3_os_init(void){ sqlite3_vfs_register(&aVfs[i], i==0); } unixBigLock = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1); - return SQLITE_OK; + return SQLITE_OK; } /* @@ -40579,11 +41476,11 @@ SQLITE_API int sqlite3_os_init(void){ ** to release dynamically allocated objects. But not on unix. ** This routine is a no-op for unix. */ -SQLITE_API int sqlite3_os_end(void){ +SQLITE_API int sqlite3_os_end(void){ unixBigLock = 0; - return SQLITE_OK; + return SQLITE_OK; } - + #endif /* SQLITE_OS_UNIX */ /************** End of os_unix.c *********************************************/ @@ -40666,7 +41563,7 @@ SQLITE_API int sqlite3_os_end(void){ ****************************************************************************** ** ** This file contains inline asm code for retrieving "high-performance" -** counters for x86 class CPUs. +** counters for x86 and x86_64 class CPUs. */ #ifndef SQLITE_HWTIME_H #define SQLITE_HWTIME_H @@ -40677,8 +41574,9 @@ SQLITE_API int sqlite3_os_end(void){ ** processor and returns that value. This can be used for high-res ** profiling. */ -#if (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) +#if !defined(__STRICT_ANSI__) && \ + (defined(__GNUC__) || defined(_MSC_VER)) && \ + (defined(i386) || defined(__i386__) || defined(_M_IX86)) #if defined(__GNUC__) @@ -40699,15 +41597,15 @@ SQLITE_API int sqlite3_os_end(void){ #endif -#elif (defined(__GNUC__) && defined(__x86_64__)) +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long val; __asm__ __volatile__ ("rdtsc" : "=A" (val)); return val; } - -#elif (defined(__GNUC__) && defined(__ppc__)) + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long long retval; @@ -40724,14 +41622,13 @@ SQLITE_API int sqlite3_os_end(void){ #else - #error Need implementation of sqlite3Hwtime() for your platform. - /* - ** To compile without implementing sqlite3Hwtime() for your platform, - ** you can remove the above #error and use the following - ** stub function. You will lose timing support for many - ** of the debugging and testing utilities, but it should at - ** least compile and run. + ** asm() is needed for hardware timing support. Without asm(), + ** disable the sqlite3Hwtime() routine. + ** + ** sqlite3Hwtime() is only used for some obscure debugging + ** and analysis configurations, not in any deliverable, so this + ** should not be a great loss. */ SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } @@ -42078,17 +42975,17 @@ SQLITE_API int sqlite3_win32_compact_heap(LPUINT pnLargest){ */ SQLITE_API int sqlite3_win32_reset_heap(){ int rc; - MUTEX_LOGIC( sqlite3_mutex *pMaster; ) /* The main static mutex */ + MUTEX_LOGIC( sqlite3_mutex *pMainMtx; ) /* The main static mutex */ MUTEX_LOGIC( sqlite3_mutex *pMem; ) /* The memsys static mutex */ - MUTEX_LOGIC( pMaster = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); ) + MUTEX_LOGIC( pMainMtx = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) MUTEX_LOGIC( pMem = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MEM); ) - sqlite3_mutex_enter(pMaster); + sqlite3_mutex_enter(pMainMtx); sqlite3_mutex_enter(pMem); winMemAssertMagic(); if( winMemGetHeap()!=NULL && winMemGetOwned() && sqlite3_memory_used()==0 ){ /* ** At this point, there should be no outstanding memory allocations on - ** the heap. Also, since both the master and memsys locks are currently + ** the heap. Also, since both the main and memsys locks are currently ** being held by us, no other function (i.e. from another thread) should ** be able to even access the heap. Attempt to destroy and recreate our ** isolated Win32 native heap now. @@ -42111,7 +43008,7 @@ SQLITE_API int sqlite3_win32_reset_heap(){ rc = SQLITE_BUSY; } sqlite3_mutex_leave(pMem); - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); return rc; } #endif /* SQLITE_WIN32_MALLOC */ @@ -44290,6 +45187,7 @@ static void winModeBit(winFile *pFile, unsigned char mask, int *pArg){ /* Forward references to VFS helper methods used for temporary files */ static int winGetTempname(sqlite3_vfs *, char **); static int winIsDir(const void *); +static BOOL winIsLongPathPrefix(const char *); static BOOL winIsDriveLetterAndColon(const char *); /* @@ -45810,7 +46708,7 @@ static int winOpen( #ifndef NDEBUG int isOpenJournal = (isCreate && ( - eType==SQLITE_OPEN_MASTER_JOURNAL + eType==SQLITE_OPEN_SUPER_JOURNAL || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_WAL )); @@ -45831,17 +46729,17 @@ static int winOpen( assert(isExclusive==0 || isCreate); assert(isDelete==0 || isCreate); - /* The main DB, main journal, WAL file and master journal are never + /* The main DB, main journal, WAL file and super-journal are never ** automatically deleted. Nor are they ever temporary files. */ assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_DB ); assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_JOURNAL ); - assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MASTER_JOURNAL ); + assert( (!isDelete && zName) || eType!=SQLITE_OPEN_SUPER_JOURNAL ); assert( (!isDelete && zName) || eType!=SQLITE_OPEN_WAL ); /* Assert that the upper layer has set one of the "file-type" flags. */ assert( eType==SQLITE_OPEN_MAIN_DB || eType==SQLITE_OPEN_TEMP_DB || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_TEMP_JOURNAL - || eType==SQLITE_OPEN_SUBJOURNAL || eType==SQLITE_OPEN_MASTER_JOURNAL + || eType==SQLITE_OPEN_SUBJOURNAL || eType==SQLITE_OPEN_SUPER_JOURNAL || eType==SQLITE_OPEN_TRANSIENT_DB || eType==SQLITE_OPEN_WAL ); @@ -46053,13 +46951,15 @@ static int winOpen( } sqlite3_free(zTmpname); - pFile->pMethod = pAppData ? pAppData->pMethod : &winIoMethod; + id->pMethods = pAppData ? pAppData->pMethod : &winIoMethod; pFile->pVfs = pVfs; pFile->h = h; if( isReadonly ){ pFile->ctrlFlags |= WINFILE_RDONLY; } - if( sqlite3_uri_boolean(zName, "psow", SQLITE_POWERSAFE_OVERWRITE) ){ + if( (flags & SQLITE_OPEN_MAIN_DB) + && sqlite3_uri_boolean(zName, "psow", SQLITE_POWERSAFE_OVERWRITE) + ){ pFile->ctrlFlags |= WINFILE_PSOW; } pFile->lastErrno = NO_ERROR; @@ -46270,6 +47170,17 @@ static int winAccess( } /* +** Returns non-zero if the specified path name starts with the "long path" +** prefix. +*/ +static BOOL winIsLongPathPrefix( + const char *zPathname +){ + return ( zPathname[0]=='\\' && zPathname[1]=='\\' + && zPathname[2]=='?' && zPathname[3]=='\\' ); +} + +/* ** Returns non-zero if the specified path name starts with a drive letter ** followed by a colon character. */ @@ -46333,10 +47244,11 @@ static int winFullPathname( char *zOut; #endif - /* If this path name begins with "/X:", where "X" is any alphabetic - ** character, discard the initial "/" from the pathname. + /* If this path name begins with "/X:" or "\\?\", where "X" is any + ** alphabetic character, discard the initial "/" from the pathname. */ - if( zRelative[0]=='/' && winIsDriveLetterAndColon(zRelative+1) ){ + if( zRelative[0]=='/' && (winIsDriveLetterAndColon(zRelative+1) + || winIsLongPathPrefix(zRelative+1)) ){ zRelative++; } @@ -47008,7 +47920,7 @@ static sqlite3_vfs memdb_vfs = { 1024, /* mxPathname */ 0, /* pNext */ "memdb", /* zName */ - 0, /* pAppData (set when registered) */ + 0, /* pAppData (set when registered) */ memdbOpen, /* xOpen */ 0, /* memdbDelete, */ /* xDelete */ memdbAccess, /* xAccess */ @@ -47033,7 +47945,7 @@ static const sqlite3_io_methods memdb_io_methods = { memdbSync, /* xSync */ memdbFileSize, /* xFileSize */ memdbLock, /* xLock */ - memdbLock, /* xUnlock - same as xLock in this case */ + memdbLock, /* xUnlock - same as xLock in this case */ 0, /* memdbCheckReservedLock, */ /* xCheckReservedLock */ memdbFileControl, /* xFileControl */ 0, /* memdbSectorSize,*/ /* xSectorSize */ @@ -47064,9 +47976,9 @@ static int memdbClose(sqlite3_file *pFile){ ** Read data from an memdb-file. */ static int memdbRead( - sqlite3_file *pFile, - void *zBuf, - int iAmt, + sqlite3_file *pFile, + void *zBuf, + int iAmt, sqlite_int64 iOfst ){ MemFile *p = (MemFile *)pFile; @@ -47092,7 +48004,7 @@ static int memdbEnlarge(MemFile *p, sqlite3_int64 newSz){ } newSz *= 2; if( newSz>p->szMax ) newSz = p->szMax; - pNew = sqlite3_realloc64(p->aData, newSz); + pNew = sqlite3Realloc(p->aData, newSz); if( pNew==0 ) return SQLITE_NOMEM; p->aData = pNew; p->szAlloc = newSz; @@ -47134,7 +48046,7 @@ static int memdbWrite( static int memdbTruncate(sqlite3_file *pFile, sqlite_int64 size){ MemFile *p = (MemFile *)pFile; if( NEVER(size>p->sz) ) return SQLITE_FULL; - p->sz = size; + p->sz = size; return SQLITE_OK; } @@ -47159,7 +48071,7 @@ static int memdbFileSize(sqlite3_file *pFile, sqlite_int64 *pSize){ */ static int memdbLock(sqlite3_file *pFile, int eLock){ MemFile *p = (MemFile *)pFile; - if( eLock>SQLITE_LOCK_SHARED + if( eLock>SQLITE_LOCK_SHARED && (p->mFlags & SQLITE_DESERIALIZE_READONLY)!=0 ){ return SQLITE_READONLY; @@ -47217,7 +48129,7 @@ static int memdbSectorSize(sqlite3_file *pFile){ ** Return the device characteristic flags supported by an memdb-file. */ static int memdbDeviceCharacteristics(sqlite3_file *pFile){ - return SQLITE_IOCAP_ATOMIC | + return SQLITE_IOCAP_ATOMIC | SQLITE_IOCAP_POWERSAFE_OVERWRITE | SQLITE_IOCAP_SAFE_APPEND | SQLITE_IOCAP_SEQUENTIAL; @@ -47265,12 +48177,12 @@ static int memdbOpen( p->mFlags = SQLITE_DESERIALIZE_RESIZEABLE | SQLITE_DESERIALIZE_FREEONCLOSE; assert( pOutFlags!=0 ); /* True because flags==SQLITE_OPEN_MAIN_DB */ *pOutFlags = flags | SQLITE_OPEN_MEMORY; - p->base.pMethods = &memdb_io_methods; + pFile->pMethods = &memdb_io_methods; p->szMax = sqlite3GlobalConfig.mxMemdbSize; return SQLITE_OK; } -#if 0 /* Only used to delete rollback journals, master journals, and WAL +#if 0 /* Only used to delete rollback journals, super-journals, and WAL ** files, none of which exist in memdb. So this routine is never used */ /* ** Delete the file located at zPath. If the dirSync argument is true, @@ -47289,9 +48201,9 @@ static int memdbDelete(sqlite3_vfs *pVfs, const char *zPath, int dirSync){ ** With memdb, no files ever exist on disk. So always return false. */ static int memdbAccess( - sqlite3_vfs *pVfs, - const char *zPath, - int flags, + sqlite3_vfs *pVfs, + const char *zPath, + int flags, int *pResOut ){ *pResOut = 0; @@ -47304,9 +48216,9 @@ static int memdbAccess( ** of at least (INST_MAX_PATHNAME+1) bytes. */ static int memdbFullPathname( - sqlite3_vfs *pVfs, - const char *zPath, - int nOut, + sqlite3_vfs *pVfs, + const char *zPath, + int nOut, char *zOut ){ sqlite3_snprintf(nOut, zOut, "%s", zPath); @@ -47322,7 +48234,7 @@ static void *memdbDlOpen(sqlite3_vfs *pVfs, const char *zPath){ /* ** Populate the buffer zErrMsg (size nByte bytes) with a human readable -** utf-8 string describing the most recent error encountered associated +** utf-8 string describing the most recent error encountered associated ** with dynamic libraries. */ static void memdbDlError(sqlite3_vfs *pVfs, int nByte, char *zErrMsg){ @@ -47344,7 +48256,7 @@ static void memdbDlClose(sqlite3_vfs *pVfs, void *pHandle){ } /* -** Populate the buffer pointed to by zBufOut with nByte bytes of +** Populate the buffer pointed to by zBufOut with nByte bytes of ** random data. */ static int memdbRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){ @@ -47352,7 +48264,7 @@ static int memdbRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){ } /* -** Sleep for nMicro microseconds. Return the number of microseconds +** Sleep for nMicro microseconds. Return the number of microseconds ** actually slept. */ static int memdbSleep(sqlite3_vfs *pVfs, int nMicro){ @@ -47458,7 +48370,7 @@ SQLITE_API unsigned char *sqlite3_serialize( }else{ memset(pTo, 0, szPage); } - sqlite3PagerUnref(pPage); + sqlite3PagerUnref(pPage); } } } @@ -47497,7 +48409,7 @@ SQLITE_API int sqlite3_deserialize( if( iDb<0 ){ rc = SQLITE_ERROR; goto end_deserialize; - } + } zSql = sqlite3_mprintf("ATTACH x AS %Q", zSchema); rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); @@ -47531,7 +48443,7 @@ end_deserialize: return rc; } -/* +/* ** This routine is called when the extension is loaded. ** Register the new VFS. */ @@ -47539,10 +48451,11 @@ SQLITE_PRIVATE int sqlite3MemdbInit(void){ sqlite3_vfs *pLower = sqlite3_vfs_find(0); int sz = pLower->szOsFile; memdb_vfs.pAppData = pLower; - /* In all known configurations of SQLite, the size of a default - ** sqlite3_file is greater than the size of a memdb sqlite3_file. - ** Should that ever change, remove the following NEVER() */ - if( NEVER(sz<sizeof(MemFile)) ) sz = sizeof(MemFile); + /* The following conditional can only be true when compiled for + ** Windows x86 and SQLITE_MAX_MMAP_SIZE=0. We always leave + ** it in, to be safe, but it is marked as NO_TEST since there + ** is no way to reach it under most builds. */ + if( sz<sizeof(MemFile) ) sz = sizeof(MemFile); /*NO_TEST*/ memdb_vfs.szOsFile = sz; return sqlite3_vfs_register(&memdb_vfs, 0); } @@ -47569,8 +48482,8 @@ SQLITE_PRIVATE int sqlite3MemdbInit(void){ ** property. Usually only a few pages are meet either condition. ** So the bitmap is usually sparse and has low cardinality. ** But sometimes (for example when during a DROP of a large table) most -** or all of the pages in a database can get journalled. In those cases, -** the bitmap becomes dense with high cardinality. The algorithm needs +** or all of the pages in a database can get journalled. In those cases, +** the bitmap becomes dense with high cardinality. The algorithm needs ** to handle both cases well. ** ** The size of the bitmap is fixed when the object is created. @@ -47591,13 +48504,13 @@ SQLITE_PRIVATE int sqlite3MemdbInit(void){ /* Size of the Bitvec structure in bytes. */ #define BITVEC_SZ 512 -/* Round the union size down to the nearest pointer boundary, since that's how +/* Round the union size down to the nearest pointer boundary, since that's how ** it will be aligned within the Bitvec struct. */ #define BITVEC_USIZE \ (((BITVEC_SZ-(3*sizeof(u32)))/sizeof(Bitvec*))*sizeof(Bitvec*)) -/* Type of the array "element" for the bitmap representation. -** Should be a power of 2, and ideally, evenly divide into BITVEC_USIZE. +/* Type of the array "element" for the bitmap representation. +** Should be a power of 2, and ideally, evenly divide into BITVEC_USIZE. ** Setting this to the "natural word" size of your CPU may improve ** performance. */ #define BITVEC_TELEM u8 @@ -47610,12 +48523,12 @@ SQLITE_PRIVATE int sqlite3MemdbInit(void){ /* Number of u32 values in hash table. */ #define BITVEC_NINT (BITVEC_USIZE/sizeof(u32)) -/* Maximum number of entries in hash table before +/* Maximum number of entries in hash table before ** sub-dividing and re-hashing. */ #define BITVEC_MXHASH (BITVEC_NINT/2) /* Hashing function for the aHash representation. -** Empirical testing showed that the *37 multiplier -** (an arbitrary prime)in the hash function provided +** Empirical testing showed that the *37 multiplier +** (an arbitrary prime)in the hash function provided ** no fewer collisions than the no-op *1. */ #define BITVEC_HASH(X) (((X)*1)%BITVEC_NINT) @@ -47661,7 +48574,7 @@ struct Bitvec { /* ** Create a new bitmap object able to handle bits between 0 and iSize, -** inclusive. Return a pointer to the new object. Return NULL if +** inclusive. Return a pointer to the new object. Return NULL if ** malloc fails. */ SQLITE_PRIVATE Bitvec *sqlite3BitvecCreate(u32 iSize){ @@ -47917,7 +48830,7 @@ SQLITE_PRIVATE int sqlite3BitvecBuiltinTest(int sz, int *aOp){ break; } case 3: - case 4: + case 4: default: { nx = 2; sqlite3_randomness(sizeof(i), &i); @@ -47997,7 +48910,7 @@ bitvec_end: ** ** The PCache.pSynced variable is used to optimize searching for a dirty ** page to eject from the cache mid-transaction. It is better to eject -** a page that does not require a journal sync than one that does. +** a page that does not require a journal sync than one that does. ** Therefore, pSynced is maintained so that it *almost* always points ** to either the oldest page in the pDirty/pDirtyTail list that has a ** clear PGHDR_NEED_SYNC flag or to a page that is older than this one @@ -48038,7 +48951,7 @@ struct PCache { sqlite3_pcache_page *pLower; PgHdr *pPg; unsigned char *a; - + if( sqlite3PcacheTrace<2 ) return; if( pCache->pCache==0 ) return; N = sqlite3PcachePagecount(pCache); @@ -48130,12 +49043,12 @@ static void pcacheManageDirtyList(PgHdr *pPage, u8 addRemove){ if( addRemove & PCACHE_DIRTYLIST_REMOVE ){ assert( pPage->pDirtyNext || pPage==p->pDirtyTail ); assert( pPage->pDirtyPrev || pPage==p->pDirty ); - + /* Update the PCache1.pSynced variable if necessary. */ if( p->pSynced==pPage ){ p->pSynced = pPage->pDirtyPrev; } - + if( pPage->pDirtyNext ){ pPage->pDirtyNext->pDirtyPrev = pPage->pDirtyPrev; }else{ @@ -48145,7 +49058,7 @@ static void pcacheManageDirtyList(PgHdr *pPage, u8 addRemove){ if( pPage->pDirtyPrev ){ pPage->pDirtyPrev->pDirtyNext = pPage->pDirtyNext; }else{ - /* If there are now no dirty pages in the cache, set eCreate to 2. + /* If there are now no dirty pages in the cache, set eCreate to 2. ** This is an optimization that allows sqlite3PcacheFetch() to skip ** searching for a dirty page to eject from the cache when it might ** otherwise have to. */ @@ -48174,11 +49087,11 @@ static void pcacheManageDirtyList(PgHdr *pPage, u8 addRemove){ p->pDirty = pPage; /* If pSynced is NULL and this page has a clear NEED_SYNC flag, set - ** pSynced to point to it. Checking the NEED_SYNC flag is an + ** pSynced to point to it. Checking the NEED_SYNC flag is an ** optimization, as if pSynced points to a page with the NEED_SYNC - ** flag set sqlite3PcacheFetchStress() searches through all newer + ** flag set sqlite3PcacheFetchStress() searches through all newer ** entries of the dirty-list for a page with NEED_SYNC clear anyway. */ - if( !p->pSynced + if( !p->pSynced && 0==(pPage->flags&PGHDR_NEED_SYNC) /*OPTIMIZATION-IF-FALSE*/ ){ p->pSynced = pPage; @@ -48219,7 +49132,7 @@ static int numberOfCachePages(PCache *p){ /*************************************************** General Interfaces ****** ** -** Initialize and shutdown the page cache subsystem. Neither of these +** Initialize and shutdown the page cache subsystem. Neither of these ** functions are threadsafe. */ SQLITE_PRIVATE int sqlite3PcacheInitialize(void){ @@ -48246,8 +49159,8 @@ SQLITE_PRIVATE int sqlite3PcacheSize(void){ return sizeof(PCache); } /* ** Create a new PCache object. Storage space to hold the object -** has already been allocated and is passed in as the p pointer. -** The caller discovers how much space needs to be allocated by +** has already been allocated and is passed in as the p pointer. +** The caller discovers how much space needs to be allocated by ** calling sqlite3PcacheSize(). ** ** szExtra is some extra space allocated for each page. The first @@ -48359,7 +49272,7 @@ SQLITE_PRIVATE sqlite3_pcache_page *sqlite3PcacheFetch( /* ** If the sqlite3PcacheFetch() routine is unable to allocate a new ** page because no clean pages are available for reuse and the cache -** size limit has been reached, then this routine can be invoked to +** size limit has been reached, then this routine can be invoked to ** try harder to allocate a page. This routine might invoke the stress ** callback to spill dirty pages to the journal. It will then try to ** allocate the new page and will only fail to allocate a new page on @@ -48376,17 +49289,17 @@ SQLITE_PRIVATE int sqlite3PcacheFetchStress( if( pCache->eCreate==2 ) return 0; if( sqlite3PcachePagecount(pCache)>pCache->szSpill ){ - /* Find a dirty page to write-out and recycle. First try to find a + /* Find a dirty page to write-out and recycle. First try to find a ** page that does not require a journal-sync (one with PGHDR_NEED_SYNC - ** cleared), but if that is not possible settle for any other + ** cleared), but if that is not possible settle for any other ** unreferenced dirty page. ** ** If the LRU page in the dirty list that has a clear PGHDR_NEED_SYNC ** flag is currently referenced, then the following may leave pSynced ** set incorrectly (pointing to other than the LRU page with NEED_SYNC ** cleared). This is Ok, as pSynced is just an optimization. */ - for(pPg=pCache->pSynced; - pPg && (pPg->nRef || (pPg->flags&PGHDR_NEED_SYNC)); + for(pPg=pCache->pSynced; + pPg && (pPg->nRef || (pPg->flags&PGHDR_NEED_SYNC)); pPg=pPg->pDirtyPrev ); pCache->pSynced = pPg; @@ -48396,7 +49309,7 @@ SQLITE_PRIVATE int sqlite3PcacheFetchStress( if( pPg ){ int rc; #ifdef SQLITE_LOG_CACHE_SPILL - sqlite3_log(SQLITE_FULL, + sqlite3_log(SQLITE_FULL, "spill page %d making room for %d - cache used: %d/%d", pPg->pgno, pgno, sqlite3GlobalConfig.pcache2.xPagecount(pCache->pCache), @@ -48581,7 +49494,7 @@ SQLITE_PRIVATE void sqlite3PcacheClearSyncFlags(PCache *pCache){ } /* -** Change the page number of page p to newPgno. +** Change the page number of page p to newPgno. */ SQLITE_PRIVATE void sqlite3PcacheMove(PgHdr *p, Pgno newPgno){ PCache *pCache = p->pCache; @@ -48644,7 +49557,7 @@ SQLITE_PRIVATE void sqlite3PcacheClose(PCache *pCache){ sqlite3GlobalConfig.pcache2.xDestroy(pCache->pCache); } -/* +/* ** Discard the contents of the cache. */ SQLITE_PRIVATE void sqlite3PcacheClear(PCache *pCache){ @@ -48735,7 +49648,7 @@ SQLITE_PRIVATE PgHdr *sqlite3PcacheDirtyList(PCache *pCache){ return pcacheSortDirtyList(pCache->pDirty); } -/* +/* ** Return the total number of references to all pages held by the cache. ** ** This is not the total number of pages referenced, but the sum of the @@ -48752,7 +49665,7 @@ SQLITE_PRIVATE int sqlite3PcachePageRefcount(PgHdr *p){ return p->nRef; } -/* +/* ** Return the total number of pages in the cache. */ SQLITE_PRIVATE int sqlite3PcachePagecount(PCache *pCache){ @@ -48794,7 +49707,7 @@ SQLITE_PRIVATE int sqlite3PcacheSetSpillsize(PCache *p, int mxPage){ p->szSpill = mxPage; } res = numberOfCachePages(p); - if( res<p->szSpill ) res = p->szSpill; + if( res<p->szSpill ) res = p->szSpill; return res; } @@ -48825,7 +49738,7 @@ SQLITE_PRIVATE int sqlite3PCachePercentDirty(PCache *pCache){ } #ifdef SQLITE_DIRECT_OVERFLOW_READ -/* +/* ** Return true if there are one or more dirty pages in the cache. Else false. */ SQLITE_PRIVATE int sqlite3PCacheIsDirty(PCache *pCache){ @@ -48914,7 +49827,7 @@ SQLITE_PRIVATE void sqlite3PcacheIterateDirty(PCache *pCache, void (*xIter)(PgHd ** ** The third case is a chunk of heap memory (defaulting to 100 pages worth) ** that is allocated when the page cache is created. The size of the local -** bulk allocation can be adjusted using +** bulk allocation can be adjusted using ** ** sqlite3_config(SQLITE_CONFIG_PAGECACHE, (void*)0, 0, N). ** @@ -48939,16 +49852,16 @@ typedef struct PgFreeslot PgFreeslot; typedef struct PGroup PGroup; /* -** Each cache entry is represented by an instance of the following +** Each cache entry is represented by an instance of the following ** structure. Unless SQLITE_PCACHE_SEPARATE_HEADER is defined, a buffer of -** PgHdr1.pCache->szPage bytes is allocated directly before this structure +** PgHdr1.pCache->szPage bytes is allocated directly before this structure ** in memory. ** ** Note: Variables isBulkLocal and isAnchor were once type "u8". That works, -** but causes a 2-byte gap in the structure for most architectures (since +** but causes a 2-byte gap in the structure for most architectures (since ** pointers must be either 4 or 8-byte aligned). As this structure is located ** in memory directly after the associated page data, if the database is -** corrupt, code at the b-tree layer may overread the page buffer and +** corrupt, code at the b-tree layer may overread the page buffer and ** read part of this structure before the corruption is detected. This ** can cause a valgrind error if the unitialized gap is accessed. Using u16 ** ensures there is no such gap, and therefore no bytes of unitialized memory @@ -48973,7 +49886,7 @@ struct PgHdr1 { #define PAGE_IS_PINNED(p) ((p)->pLruNext==0) #define PAGE_IS_UNPINNED(p) ((p)->pLruNext!=0) -/* Each page cache (or PCache) belongs to a PGroup. A PGroup is a set +/* Each page cache (or PCache) belongs to a PGroup. A PGroup is a set ** of one or more PCaches that are able to recycle each other's unpinned ** pages when they are under memory pressure. A PGroup is an instance of ** the following object. @@ -49009,13 +49922,13 @@ struct PGroup { ** temporary or transient database) has a single page cache which ** is an instance of this object. ** -** Pointers to structures of this type are cast and returned as +** Pointers to structures of this type are cast and returned as ** opaque sqlite3_pcache* handles. */ struct PCache1 { /* Cache configuration parameters. Page size (szPage) and the purgeable ** flag (bPurgeable) and the pnPurgeable pointer are all set when the - ** cache is created and are never changed thereafter. nMax may be + ** cache is created and are never changed thereafter. nMax may be ** modified at any time by a call to the pcache1Cachesize() method. ** The PGroup mutex must be held when accessing nMax. */ @@ -49063,7 +49976,7 @@ static SQLITE_WSD struct PCacheGlobal { */ int isInit; /* True if initialized */ int separateCache; /* Use a new PGroup for each PCache */ - int nInitPage; /* Initial bulk allocation size */ + int nInitPage; /* Initial bulk allocation size */ int szSlot; /* Size of each free slot */ int nSlot; /* The number of pcache slots */ int nReserve; /* Try to keep nFreeSlot above this */ @@ -49104,7 +50017,7 @@ static SQLITE_WSD struct PCacheGlobal { /* -** This function is called during initialization if a static buffer is +** This function is called during initialization if a static buffer is ** supplied to use for the page-cache by passing the SQLITE_CONFIG_PAGECACHE ** verb to sqlite3_config(). Parameter pBuf points to an allocation large ** enough to contain 'n' buffers of 'sz' bytes each. @@ -49174,8 +50087,8 @@ static int pcache1InitBulk(PCache1 *pCache){ /* ** Malloc function used within this file to allocate space from the buffer -** configured using sqlite3_config(SQLITE_CONFIG_PAGECACHE) option. If no -** such buffer exists or there is no space left in it, this function falls +** configured using sqlite3_config(SQLITE_CONFIG_PAGECACHE) option. If no +** such buffer exists or there is no space left in it, this function falls ** back to sqlite3Malloc(). ** ** Multiple threads can run this routine at the same time. Global variables @@ -49282,7 +50195,7 @@ static PgHdr1 *pcache1AllocPage(PCache1 *pCache, int benignMalloc){ }else{ #ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT /* The group mutex must be released before pcache1Alloc() is called. This - ** is because it might call sqlite3_release_memory(), which assumes that + ** is because it might call sqlite3_release_memory(), which assumes that ** this mutex is not held. */ assert( pcache1.separateCache==0 ); assert( pCache->pGroup==&pcache1.grp ); @@ -49299,13 +50212,15 @@ static PgHdr1 *pcache1AllocPage(PCache1 *pCache, int benignMalloc){ } #else pPg = pcache1Alloc(pCache->szAlloc); - p = (PgHdr1 *)&((u8 *)pPg)[pCache->szPage]; #endif if( benignMalloc ){ sqlite3EndBenignMalloc(); } #ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT pcache1EnterMutex(pCache->pGroup); #endif if( pPg==0 ) return 0; +#ifndef SQLITE_PCACHE_SEPARATE_HEADER + p = (PgHdr1 *)&((u8 *)pPg)[pCache->szPage]; +#endif p->page.pBuf = pPg; p->page.pExtra = &p[1]; p->isBulkLocal = 0; @@ -49421,7 +50336,7 @@ static void pcache1ResizeHash(PCache1 *p){ } /* -** This function is used internally to remove the page pPage from the +** This function is used internally to remove the page pPage from the ** PGroup LRU list, if is part of it. If pPage is not part of the PGroup ** LRU list, then this function is a no-op. ** @@ -49446,7 +50361,7 @@ static PgHdr1 *pcache1PinPage(PgHdr1 *pPage){ /* -** Remove the page supplied as an argument from the hash table +** Remove the page supplied as an argument from the hash table ** (PCache1.apHash structure) that it is currently stored in. ** Also free the page if freePage is true. ** @@ -49489,8 +50404,8 @@ static void pcache1EnforceMaxPage(PCache1 *pCache){ } /* -** Discard all pages from cache pCache with a page number (key value) -** greater than or equal to iLimit. Any pinned pages that meet this +** Discard all pages from cache pCache with a page number (key value) +** greater than or equal to iLimit. Any pinned pages that meet this ** criteria are unpinned before they are discarded. ** ** The PCache mutex must be held when this function is called. @@ -49522,7 +50437,7 @@ static void pcache1TruncateUnsafe( PgHdr1 **pp; PgHdr1 *pPage; assert( h<pCache->nHash ); - pp = &pCache->apHash[h]; + pp = &pCache->apHash[h]; while( (pPage = *pp)!=0 ){ if( pPage->iKey>=iLimit ){ pCache->nPage--; @@ -49561,7 +50476,7 @@ static int pcache1Init(void *NotUsed){ ** ** * Use a unified cache in single-threaded applications that have ** configured a start-time buffer for use as page-cache memory using - ** sqlite3_config(SQLITE_CONFIG_PAGECACHE, pBuf, sz, N) with non-NULL + ** sqlite3_config(SQLITE_CONFIG_PAGECACHE, pBuf, sz, N) with non-NULL ** pBuf argument. ** ** * Otherwise use separate caches (mode-1) @@ -49596,7 +50511,7 @@ static int pcache1Init(void *NotUsed){ /* ** Implementation of the sqlite3_pcache.xShutdown method. -** Note that the static mutex allocated in xInit does +** Note that the static mutex allocated in xInit does ** not need to be freed. */ static void pcache1Shutdown(void *NotUsed){ @@ -49659,7 +50574,7 @@ static sqlite3_pcache *pcache1Create(int szPage, int szExtra, int bPurgeable){ } /* -** Implementation of the sqlite3_pcache.xCachesize method. +** Implementation of the sqlite3_pcache.xCachesize method. ** ** Configure the cache_size limit for a cache. */ @@ -49678,7 +50593,7 @@ static void pcache1Cachesize(sqlite3_pcache *p, int nMax){ } /* -** Implementation of the sqlite3_pcache.xShrink method. +** Implementation of the sqlite3_pcache.xShrink method. ** ** Free up as much memory as possible. */ @@ -49697,7 +50612,7 @@ static void pcache1Shrink(sqlite3_pcache *p){ } /* -** Implementation of the sqlite3_pcache.xPagecount method. +** Implementation of the sqlite3_pcache.xPagecount method. */ static int pcache1Pagecount(sqlite3_pcache *p){ int n; @@ -49718,8 +50633,8 @@ static int pcache1Pagecount(sqlite3_pcache *p){ ** for these steps, the main pcache1Fetch() procedure can run faster. */ static SQLITE_NOINLINE PgHdr1 *pcache1FetchStage2( - PCache1 *pCache, - unsigned int iKey, + PCache1 *pCache, + unsigned int iKey, int createFlag ){ unsigned int nPinned; @@ -49761,8 +50676,8 @@ static SQLITE_NOINLINE PgHdr1 *pcache1FetchStage2( } } - /* Step 5. If a usable page buffer has still not been found, - ** attempt to allocate a new one. + /* Step 5. If a usable page buffer has still not been found, + ** attempt to allocate a new one. */ if( !pPage ){ pPage = pcache1AllocPage(pCache, createFlag==1); @@ -49787,13 +50702,13 @@ static SQLITE_NOINLINE PgHdr1 *pcache1FetchStage2( } /* -** Implementation of the sqlite3_pcache.xFetch method. +** Implementation of the sqlite3_pcache.xFetch method. ** ** Fetch a page by key value. ** ** Whether or not a new page may be allocated by this function depends on ** the value of the createFlag argument. 0 means do not allocate a new -** page. 1 means allocate a new page if space is easily available. 2 +** page. 1 means allocate a new page if space is easily available. 2 ** means to try really hard to allocate a new page. ** ** For a non-purgeable cache (a cache used as the storage for an in-memory @@ -49804,7 +50719,7 @@ static SQLITE_NOINLINE PgHdr1 *pcache1FetchStage2( ** There are three different approaches to obtaining space for a page, ** depending on the value of parameter createFlag (which may be 0, 1 or 2). ** -** 1. Regardless of the value of createFlag, the cache is searched for a +** 1. Regardless of the value of createFlag, the cache is searched for a ** copy of the requested page. If one is found, it is returned. ** ** 2. If createFlag==0 and the page is not already in the cache, NULL is @@ -49818,13 +50733,13 @@ static SQLITE_NOINLINE PgHdr1 *pcache1FetchStage2( ** PCache1.nMax, or ** ** (b) the number of pages pinned by the cache is greater than -** the sum of nMax for all purgeable caches, less the sum of +** the sum of nMax for all purgeable caches, less the sum of ** nMin for all other purgeable caches, or ** ** 4. If none of the first three conditions apply and the cache is marked ** as purgeable, and if one of the following is true: ** -** (a) The number of pages allocated for the cache is already +** (a) The number of pages allocated for the cache is already ** PCache1.nMax, or ** ** (b) The number of pages allocated for all purgeable caches is @@ -49836,7 +50751,7 @@ static SQLITE_NOINLINE PgHdr1 *pcache1FetchStage2( ** ** then attempt to recycle a page from the LRU list. If it is the right ** size, return the recycled buffer. Otherwise, free the buffer and -** proceed to step 5. +** proceed to step 5. ** ** 5. Otherwise, allocate and return a new page buffer. ** @@ -49846,8 +50761,8 @@ static SQLITE_NOINLINE PgHdr1 *pcache1FetchStage2( ** invokes the appropriate routine. */ static PgHdr1 *pcache1FetchNoMutex( - sqlite3_pcache *p, - unsigned int iKey, + sqlite3_pcache *p, + unsigned int iKey, int createFlag ){ PCache1 *pCache = (PCache1 *)p; @@ -49876,8 +50791,8 @@ static PgHdr1 *pcache1FetchNoMutex( } #if PCACHE1_MIGHT_USE_GROUP_MUTEX static PgHdr1 *pcache1FetchWithMutex( - sqlite3_pcache *p, - unsigned int iKey, + sqlite3_pcache *p, + unsigned int iKey, int createFlag ){ PCache1 *pCache = (PCache1 *)p; @@ -49891,8 +50806,8 @@ static PgHdr1 *pcache1FetchWithMutex( } #endif static sqlite3_pcache_page *pcache1Fetch( - sqlite3_pcache *p, - unsigned int iKey, + sqlite3_pcache *p, + unsigned int iKey, int createFlag ){ #if PCACHE1_MIGHT_USE_GROUP_MUTEX || defined(SQLITE_DEBUG) @@ -49922,18 +50837,18 @@ static sqlite3_pcache_page *pcache1Fetch( ** Mark a page as unpinned (eligible for asynchronous recycling). */ static void pcache1Unpin( - sqlite3_pcache *p, - sqlite3_pcache_page *pPg, + sqlite3_pcache *p, + sqlite3_pcache_page *pPg, int reuseUnlikely ){ PCache1 *pCache = (PCache1 *)p; PgHdr1 *pPage = (PgHdr1 *)pPg; PGroup *pGroup = pCache->pGroup; - + assert( pPage->pCache==pCache ); pcache1EnterMutex(pGroup); - /* It is an error to call this function if the page is already + /* It is an error to call this function if the page is already ** part of the PGroup LRU list. */ assert( pPage->pLruNext==0 ); @@ -49954,7 +50869,7 @@ static void pcache1Unpin( } /* -** Implementation of the sqlite3_pcache.xRekey method. +** Implementation of the sqlite3_pcache.xRekey method. */ static void pcache1Rekey( sqlite3_pcache *p, @@ -49965,7 +50880,7 @@ static void pcache1Rekey( PCache1 *pCache = (PCache1 *)p; PgHdr1 *pPage = (PgHdr1 *)pPg; PgHdr1 **pp; - unsigned int h; + unsigned int h; assert( pPage->iKey==iOld ); assert( pPage->pCache==pCache ); @@ -49990,7 +50905,7 @@ static void pcache1Rekey( } /* -** Implementation of the sqlite3_pcache.xTruncate method. +** Implementation of the sqlite3_pcache.xTruncate method. ** ** Discard all unpinned pages in the cache with a page number equal to ** or greater than parameter iLimit. Any pinned pages with a page number @@ -50007,7 +50922,7 @@ static void pcache1Truncate(sqlite3_pcache *p, unsigned int iLimit){ } /* -** Implementation of the sqlite3_pcache.xDestroy method. +** Implementation of the sqlite3_pcache.xDestroy method. ** ** Destroy a cache allocated using pcache1Create(). */ @@ -50073,7 +50988,7 @@ SQLITE_PRIVATE sqlite3_mutex *sqlite3Pcache1Mutex(void){ ** by the current thread may be sqlite3_free()ed. ** ** nReq is the number of bytes of memory required. Once this much has -** been released, the function returns. The return value is the total number +** been released, the function returns. The return value is the total number ** of bytes of memory released. */ SQLITE_PRIVATE int sqlite3PcacheReleaseMemory(int nReq){ @@ -50164,7 +51079,7 @@ SQLITE_PRIVATE void sqlite3PcacheStats( ** extracts the least value from the RowSet. ** ** The INSERT primitive might allocate additional memory. Memory is -** allocated in chunks so most INSERTs do no allocation. There is an +** allocated in chunks so most INSERTs do no allocation. There is an ** upper bound on the size of allocated memory. No memory is freed ** until DESTROY. ** @@ -50212,7 +51127,7 @@ SQLITE_PRIVATE void sqlite3PcacheStats( ** in the list, pLeft points to the tree, and v is unused. The ** RowSet.pForest value points to the head of this forest list. */ -struct RowSetEntry { +struct RowSetEntry { i64 v; /* ROWID value for this entry */ struct RowSetEntry *pRight; /* Right subtree (larger entries) or list */ struct RowSetEntry *pLeft; /* Left subtree (smaller entries) */ @@ -50306,7 +51221,7 @@ SQLITE_PRIVATE void sqlite3RowSetDelete(void *pArg){ /* ** Allocate a new RowSetEntry object that is associated with the ** given RowSet. Return a pointer to the new and completely uninitialized -** objected. +** object. ** ** In an OOM situation, the RowSet.db->mallocFailed flag is set and this ** routine returns NULL. @@ -50364,7 +51279,7 @@ SQLITE_PRIVATE void sqlite3RowSetInsert(RowSet *p, i64 rowid){ /* ** Merge two lists of RowSetEntry objects. Remove duplicates. ** -** The input lists are connected via pRight pointers and are +** The input lists are connected via pRight pointers and are ** assumed to each already be in sorted order. */ static struct RowSetEntry *rowSetEntryMerge( @@ -50401,7 +51316,7 @@ static struct RowSetEntry *rowSetEntryMerge( /* ** Sort all elements on the list of RowSetEntry objects into order of ** increasing v. -*/ +*/ static struct RowSetEntry *rowSetEntrySort(struct RowSetEntry *pIn){ unsigned int i; struct RowSetEntry *pNext, *aBucket[40]; @@ -50474,7 +51389,7 @@ static struct RowSetEntry *rowSetNDeepTree( struct RowSetEntry *pLeft; /* Left subtree */ if( *ppList==0 ){ /*OPTIMIZATION-IF-TRUE*/ /* Prevent unnecessary deep recursion when we run out of entries */ - return 0; + return 0; } if( iDepth>1 ){ /*OPTIMIZATION-IF-TRUE*/ /* This branch causes a *balanced* tree to be generated. A valid tree @@ -50582,7 +51497,7 @@ SQLITE_PRIVATE int sqlite3RowSetTest(RowSet *pRowSet, int iBatch, sqlite3_int64 if( p ){ struct RowSetEntry **ppPrevTree = &pRowSet->pForest; if( (pRowSet->rsFlags & ROWSET_SORTED)==0 ){ /*OPTIMIZATION-IF-FALSE*/ - /* Only sort the current set of entiries if they need it */ + /* Only sort the current set of entries if they need it */ p = rowSetEntrySort(p); } for(pTree = pRowSet->pForest; pTree; pTree=pTree->pRight){ @@ -50644,7 +51559,7 @@ SQLITE_PRIVATE int sqlite3RowSetTest(RowSet *pRowSet, int iBatch, sqlite3_int64 ** ************************************************************************* ** This is the implementation of the page cache subsystem or "pager". -** +** ** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file @@ -50667,8 +51582,8 @@ SQLITE_PRIVATE int sqlite3RowSetTest(RowSet *pRowSet, int iBatch, sqlite3_int64 ** May you share freely, never taking more than you give. ** ************************************************************************* -** This header file defines the interface to the write-ahead logging -** system. Refer to the comments below and the header comment attached to +** This header file defines the interface to the write-ahead logging +** system. Refer to the comments below and the header comment attached to ** the implementation of each function in log.c for further details. */ @@ -50707,8 +51622,8 @@ SQLITE_PRIVATE int sqlite3RowSetTest(RowSet *pRowSet, int iBatch, sqlite3_int64 #define WAL_SAVEPOINT_NDATA 4 -/* Connection to a write-ahead log (WAL) file. -** There is one object of this type for each pager. +/* Connection to a write-ahead log (WAL) file. +** There is one object of this type for each pager. */ typedef struct Wal Wal; @@ -50719,7 +51634,7 @@ SQLITE_PRIVATE int sqlite3WalClose(Wal *pWal, sqlite3*, int sync_flags, int, u8 /* Set the limiting size of a WAL file. */ SQLITE_PRIVATE void sqlite3WalLimit(Wal*, i64); -/* Used by readers to open (lock) and close (unlock) a snapshot. A +/* Used by readers to open (lock) and close (unlock) a snapshot. A ** snapshot is like a read-transaction. It is the state of the database ** at an instant in time. sqlite3WalOpenSnapshot gets a read lock and ** preserves the current state even if the other threads or processes @@ -50754,7 +51669,7 @@ SQLITE_PRIVATE int sqlite3WalSavepointUndo(Wal *pWal, u32 *aWalData); /* Write a frame or frames to the log. */ SQLITE_PRIVATE int sqlite3WalFrames(Wal *pWal, int, PgHdr *, Pgno, int, int); -/* Copy pages from the log to the database file */ +/* Copy pages from the log to the database file */ SQLITE_PRIVATE int sqlite3WalCheckpoint( Wal *pWal, /* Write-ahead log connection */ sqlite3 *db, /* Check this handle's interrupt flag */ @@ -50782,7 +51697,7 @@ SQLITE_PRIVATE int sqlite3WalExclusiveMode(Wal *pWal, int op); /* Return true if the argument is non-NULL and the WAL module is using ** heap-memory for the wal-index. Otherwise, if the argument is NULL or the -** WAL module is using shared-memory, return false. +** WAL module is using shared-memory, return false. */ SQLITE_PRIVATE int sqlite3WalHeapMemory(Wal *pWal); @@ -50804,6 +51719,11 @@ SQLITE_PRIVATE int sqlite3WalFramesize(Wal *pWal); /* Return the sqlite3_file object for the WAL file */ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal); +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT +SQLITE_PRIVATE int sqlite3WalWriteLock(Wal *pWal, int bLock); +SQLITE_PRIVATE void sqlite3WalDb(Wal *pWal, sqlite3 *db); +#endif + #endif /* ifndef SQLITE_OMIT_WAL */ #endif /* SQLITE_WAL_H */ @@ -50824,60 +51744,60 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal); ** ** Definition: A page of the database file is said to be "overwriteable" if ** one or more of the following are true about the page: -** +** ** (a) The original content of the page as it was at the beginning of ** the transaction has been written into the rollback journal and ** synced. -** +** ** (b) The page was a freelist leaf page at the start of the transaction. -** +** ** (c) The page number is greater than the largest page that existed in ** the database file at the start of the transaction. -** +** ** (1) A page of the database file is never overwritten unless one of the ** following are true: -** +** ** (a) The page and all other pages on the same sector are overwriteable. -** +** ** (b) The atomic page write optimization is enabled, and the entire ** transaction other than the update of the transaction sequence ** number consists of a single page change. -** +** ** (2) The content of a page written into the rollback journal exactly matches ** both the content in the database when the rollback journal was written ** and the content in the database at the beginning of the current ** transaction. -** +** ** (3) Writes to the database file are an integer multiple of the page size ** in length and are aligned on a page boundary. -** +** ** (4) Reads from the database file are either aligned on a page boundary and ** an integer multiple of the page size in length or are taken from the ** first 100 bytes of the database file. -** +** ** (5) All writes to the database file are synced prior to the rollback journal ** being deleted, truncated, or zeroed. -** -** (6) If a master journal file is used, then all writes to the database file -** are synced prior to the master journal being deleted. -** +** +** (6) If a super-journal file is used, then all writes to the database file +** are synced prior to the super-journal being deleted. +** ** Definition: Two databases (or the same database at two points it time) ** are said to be "logically equivalent" if they give the same answer to ** all queries. Note in particular the content of freelist leaf ** pages can be changed arbitrarily without affecting the logical equivalence ** of the database. -** +** ** (7) At any time, if any subset, including the empty set and the total set, -** of the unsynced changes to a rollback journal are removed and the +** of the unsynced changes to a rollback journal are removed and the ** journal is rolled back, the resulting database file will be logically ** equivalent to the database file at the beginning of the transaction. -** +** ** (8) When a transaction is rolled back, the xTruncate method of the VFS ** is called to restore the database file to the same size it was at ** the beginning of the transaction. (In some VFSes, the xTruncate ** method is a no-op, but that does not change the fact the SQLite will ** invoke it.) -** +** ** (9) Whenever the database file is modified, at least one bit in the range ** of bytes from 24 through 39 inclusive will be changed prior to releasing ** the EXCLUSIVE lock, thus signaling other connections on the same @@ -50910,7 +51830,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ /* ** The following two macros are used within the PAGERTRACE() macros above -** to print out file-descriptors. +** to print out file-descriptors. ** ** PAGERID() takes a pointer to a Pager struct as its argument. The ** associated file-descriptor is returned. FILEHANDLEID() takes an sqlite3_file @@ -50931,7 +51851,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** | | | ** | V | ** |<-------WRITER_LOCKED------> ERROR -** | | ^ +** | | ^ ** | V | ** |<------WRITER_CACHEMOD-------->| ** | | | @@ -50943,7 +51863,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** ** ** List of state transitions and the C [function] that performs each: -** +** ** OPEN -> READER [sqlite3PagerSharedLock] ** READER -> OPEN [pager_unlock] ** @@ -50955,7 +51875,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** ** WRITER_*** -> ERROR [pager_error] ** ERROR -> OPEN [pager_unlock] -** +** ** ** OPEN: ** @@ -50969,9 +51889,9 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** ** READER: ** -** In this state all the requirements for reading the database in +** In this state all the requirements for reading the database in ** rollback (non-WAL) mode are met. Unless the pager is (or recently -** was) in exclusive-locking mode, a user-level read transaction is +** was) in exclusive-locking mode, a user-level read transaction is ** open. The database size is known in this state. ** ** A connection running with locking_mode=normal enters this state when @@ -50981,28 +51901,28 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** this state even after the read-transaction is closed. The only way ** a locking_mode=exclusive connection can transition from READER to OPEN ** is via the ERROR state (see below). -** +** ** * A read transaction may be active (but a write-transaction cannot). ** * A SHARED or greater lock is held on the database file. -** * The dbSize variable may be trusted (even if a user-level read +** * The dbSize variable may be trusted (even if a user-level read ** transaction is not active). The dbOrigSize and dbFileSize variables ** may not be trusted at this point. ** * If the database is a WAL database, then the WAL connection is open. -** * Even if a read-transaction is not open, it is guaranteed that +** * Even if a read-transaction is not open, it is guaranteed that ** there is no hot-journal in the file-system. ** ** WRITER_LOCKED: ** ** The pager moves to this state from READER when a write-transaction -** is first opened on the database. In WRITER_LOCKED state, all locks -** required to start a write-transaction are held, but no actual +** is first opened on the database. In WRITER_LOCKED state, all locks +** required to start a write-transaction are held, but no actual ** modifications to the cache or database have taken place. ** -** In rollback mode, a RESERVED or (if the transaction was opened with +** In rollback mode, a RESERVED or (if the transaction was opened with ** BEGIN EXCLUSIVE) EXCLUSIVE lock is obtained on the database file when -** moving to this state, but the journal file is not written to or opened -** to in this state. If the transaction is committed or rolled back while -** in WRITER_LOCKED state, all that is required is to unlock the database +** moving to this state, but the journal file is not written to or opened +** to in this state. If the transaction is committed or rolled back while +** in WRITER_LOCKED state, all that is required is to unlock the database ** file. ** ** IN WAL mode, WalBeginWriteTransaction() is called to lock the log file. @@ -51010,7 +51930,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** is made to obtain an EXCLUSIVE lock on the database file. ** ** * A write transaction is active. -** * If the connection is open in rollback-mode, a RESERVED or greater +** * If the connection is open in rollback-mode, a RESERVED or greater ** lock is held on the database file. ** * If the connection is open in WAL-mode, a WAL write transaction ** is open (i.e. sqlite3WalBeginWriteTransaction() has been successfully @@ -51029,7 +51949,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** ** * A write transaction is active. ** * A RESERVED or greater lock is held on the database file. -** * The journal file is open and the first header has been written +** * The journal file is open and the first header has been written ** to it, but the header has not been synced to disk. ** * The contents of the page cache have been modified. ** @@ -51042,7 +51962,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** ** * A write transaction is active. ** * An EXCLUSIVE or greater lock is held on the database file. -** * The journal file is open and the first header has been written +** * The journal file is open and the first header has been written ** and synced to disk. ** * The contents of the page cache have been modified (and possibly ** written to disk). @@ -51054,8 +51974,8 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** A rollback-mode pager changes to WRITER_FINISHED state from WRITER_DBMOD ** state after the entire transaction has been successfully written into the ** database file. In this state the transaction may be committed simply -** by finalizing the journal file. Once in WRITER_FINISHED state, it is -** not possible to modify the database further. At this point, the upper +** by finalizing the journal file. Once in WRITER_FINISHED state, it is +** not possible to modify the database further. At this point, the upper ** layer must either commit or rollback the transaction. ** ** * A write transaction is active. @@ -51063,19 +51983,19 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** * All writing and syncing of journal and database data has finished. ** If no error occurred, all that remains is to finalize the journal to ** commit the transaction. If an error did occur, the caller will need -** to rollback the transaction. +** to rollback the transaction. ** ** ERROR: ** ** The ERROR state is entered when an IO or disk-full error (including -** SQLITE_IOERR_NOMEM) occurs at a point in the code that makes it -** difficult to be sure that the in-memory pager state (cache contents, +** SQLITE_IOERR_NOMEM) occurs at a point in the code that makes it +** difficult to be sure that the in-memory pager state (cache contents, ** db size etc.) are consistent with the contents of the file-system. ** ** Temporary pager files may enter the ERROR state, but in-memory pagers ** cannot. ** -** For example, if an IO error occurs while performing a rollback, +** For example, if an IO error occurs while performing a rollback, ** the contents of the page-cache may be left in an inconsistent state. ** At this point it would be dangerous to change back to READER state ** (as usually happens after a rollback). Any subsequent readers might @@ -51085,13 +52005,13 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** instead of READER following such an error. ** ** Once it has entered the ERROR state, any attempt to use the pager -** to read or write data returns an error. Eventually, once all +** to read or write data returns an error. Eventually, once all ** outstanding transactions have been abandoned, the pager is able to -** transition back to OPEN state, discarding the contents of the +** transition back to OPEN state, discarding the contents of the ** page-cache and any other in-memory state at the same time. Everything ** is reloaded from disk (and, if necessary, hot-journal rollback peformed) ** when a read-transaction is next opened on the pager (transitioning -** the pager into READER state). At that point the system has recovered +** the pager into READER state). At that point the system has recovered ** from the error. ** ** Specifically, the pager jumps into the ERROR state if: @@ -51107,21 +52027,21 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** memory. ** ** In other cases, the error is returned to the b-tree layer. The b-tree -** layer then attempts a rollback operation. If the error condition +** layer then attempts a rollback operation. If the error condition ** persists, the pager enters the ERROR state via condition (1) above. ** ** Condition (3) is necessary because it can be triggered by a read-only ** statement executed within a transaction. In this case, if the error ** code were simply returned to the user, the b-tree layer would not ** automatically attempt a rollback, as it assumes that an error in a -** read-only statement cannot leave the pager in an internally inconsistent +** read-only statement cannot leave the pager in an internally inconsistent ** state. ** ** * The Pager.errCode variable is set to something other than SQLITE_OK. ** * There are one or more outstanding references to pages (after the ** last reference is dropped the pager should move back to OPEN state). ** * The pager is not an in-memory pager. -** +** ** ** Notes: ** @@ -51131,7 +52051,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** ** * Normally, a connection open in exclusive mode is never in PAGER_OPEN ** state. There are two exceptions: immediately after exclusive-mode has -** been turned on (and before any read or write transactions are +** been turned on (and before any read or write transactions are ** executed), and when the pager is leaving the "error state". ** ** * See also: assert_pager_state(). @@ -51145,7 +52065,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ #define PAGER_ERROR 6 /* -** The Pager.eLock variable is almost always set to one of the +** The Pager.eLock variable is almost always set to one of the ** following locking-states, according to the lock currently held on ** the database file: NO_LOCK, SHARED_LOCK, RESERVED_LOCK or EXCLUSIVE_LOCK. ** This variable is kept up to date as locks are taken and released by @@ -51160,20 +52080,20 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** to a less exclusive (lower) value than the lock that is actually held ** at the system level, but it is never set to a more exclusive value. ** -** This is usually safe. If an xUnlock fails or appears to fail, there may +** This is usually safe. If an xUnlock fails or appears to fail, there may ** be a few redundant xLock() calls or a lock may be held for longer than ** required, but nothing really goes wrong. ** ** The exception is when the database file is unlocked as the pager moves -** from ERROR to OPEN state. At this point there may be a hot-journal file +** from ERROR to OPEN state. At this point there may be a hot-journal file ** in the file-system that needs to be rolled back (as part of an OPEN->SHARED ** transition, by the same pager or any other). If the call to xUnlock() ** fails at this point and the pager is left holding an EXCLUSIVE lock, this ** can confuse the call to xCheckReservedLock() call made later as part ** of hot-journal detection. ** -** xCheckReservedLock() is defined as returning true "if there is a RESERVED -** lock held by this process or any others". So xCheckReservedLock may +** xCheckReservedLock() is defined as returning true "if there is a RESERVED +** lock held by this process or any others". So xCheckReservedLock may ** return true because the caller itself is holding an EXCLUSIVE lock (but ** doesn't know it because of a previous error in xUnlock). If this happens ** a hot-journal may be mistaken for a journal being created by an active @@ -51184,32 +52104,18 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** database in the ERROR state, Pager.eLock is set to UNKNOWN_LOCK. It ** is only changed back to a real locking state after a successful call ** to xLock(EXCLUSIVE). Also, the code to do the OPEN->SHARED state transition -** omits the check for a hot-journal if Pager.eLock is set to UNKNOWN_LOCK +** omits the check for a hot-journal if Pager.eLock is set to UNKNOWN_LOCK ** lock. Instead, it assumes a hot-journal exists and obtains an EXCLUSIVE ** lock on the database file before attempting to roll it back. See function ** PagerSharedLock() for more detail. ** -** Pager.eLock may only be set to UNKNOWN_LOCK when the pager is in +** Pager.eLock may only be set to UNKNOWN_LOCK when the pager is in ** PAGER_OPEN state. */ #define UNKNOWN_LOCK (EXCLUSIVE_LOCK+1) /* -** A macro used for invoking the codec if there is one -*/ -#ifdef SQLITE_HAS_CODEC -# define CODEC1(P,D,N,X,E) \ - if( P->xCodec && P->xCodec(P->pCodec,D,N,X)==0 ){ E; } -# define CODEC2(P,D,N,X,E,O) \ - if( P->xCodec==0 ){ O=(char*)D; }else \ - if( (O=(char*)(P->xCodec(P->pCodec,D,N,X)))==0 ){ E; } -#else -# define CODEC1(P,D,N,X,E) /* NO-OP */ -# define CODEC2(P,D,N,X,E,O) O=(char*)D -#endif - -/* -** The maximum allowed sector size. 64KiB. If the xSectorsize() method +** The maximum allowed sector size. 64KiB. If the xSectorsize() method ** returns a value larger than this, then MAX_SECTOR_SIZE is used instead. ** This could conceivably cause corruption following a power failure on ** such a system. This is currently an undocumented limit. @@ -51225,7 +52131,7 @@ int sqlite3PagerTrace=1; /* True to enable tracing */ ** ** When a savepoint is created, the PagerSavepoint.iHdrOffset field is ** set to 0. If a journal-header is written into the main journal while -** the savepoint is active, then iHdrOffset is set to the byte offset +** the savepoint is active, then iHdrOffset is set to the byte offset ** immediately following the last journal record written into the main ** journal before the journal-header. This is required during savepoint ** rollback (see pagerPlaybackSavepoint()). @@ -51275,44 +52181,44 @@ struct PagerSavepoint { ** ** changeCountDone ** -** This boolean variable is used to make sure that the change-counter -** (the 4-byte header field at byte offset 24 of the database file) is -** not updated more often than necessary. +** This boolean variable is used to make sure that the change-counter +** (the 4-byte header field at byte offset 24 of the database file) is +** not updated more often than necessary. ** -** It is set to true when the change-counter field is updated, which +** It is set to true when the change-counter field is updated, which ** can only happen if an exclusive lock is held on the database file. -** It is cleared (set to false) whenever an exclusive lock is +** It is cleared (set to false) whenever an exclusive lock is ** relinquished on the database file. Each time a transaction is committed, ** The changeCountDone flag is inspected. If it is true, the work of ** updating the change-counter is omitted for the current transaction. ** -** This mechanism means that when running in exclusive mode, a connection +** This mechanism means that when running in exclusive mode, a connection ** need only update the change-counter once, for the first transaction ** committed. ** -** setMaster +** setSuper ** ** When PagerCommitPhaseOne() is called to commit a transaction, it may -** (or may not) specify a master-journal name to be written into the +** (or may not) specify a super-journal name to be written into the ** journal file before it is synced to disk. ** -** Whether or not a journal file contains a master-journal pointer affects -** the way in which the journal file is finalized after the transaction is +** Whether or not a journal file contains a super-journal pointer affects +** the way in which the journal file is finalized after the transaction is ** committed or rolled back when running in "journal_mode=PERSIST" mode. -** If a journal file does not contain a master-journal pointer, it is +** If a journal file does not contain a super-journal pointer, it is ** finalized by overwriting the first journal header with zeroes. If -** it does contain a master-journal pointer the journal file is finalized -** by truncating it to zero bytes, just as if the connection were +** it does contain a super-journal pointer the journal file is finalized +** by truncating it to zero bytes, just as if the connection were ** running in "journal_mode=truncate" mode. ** -** Journal files that contain master journal pointers cannot be finalized +** Journal files that contain super-journal pointers cannot be finalized ** simply by overwriting the first journal-header with zeroes, as the -** master journal pointer could interfere with hot-journal rollback of any +** super-journal pointer could interfere with hot-journal rollback of any ** subsequently interrupted transaction that reuses the journal file. ** ** The flag is cleared as soon as the journal file is finalized (either ** by PagerCommitPhaseTwo or PagerRollback). If an IO error prevents the -** journal file from being successfully finalized, the setMaster flag +** journal file from being successfully finalized, the setSuper flag ** is cleared anyway (and the pager will move to ERROR state). ** ** doNotSpill @@ -51328,12 +52234,12 @@ struct PagerSavepoint { ** to allocate a new page to prevent the journal file from being written ** while it is being traversed by code in pager_playback(). The SPILLFLAG_OFF ** case is a user preference. -** +** ** If the SPILLFLAG_NOSYNC bit is set, writing to the database from ** pagerStress() is permitted, but syncing the journal file is not. ** This flag is set by sqlite3PagerWrite() when the file-system sector-size ** is larger than the database page-size in order to prevent a journal sync -** from happening in between the journalling of two pages on the same sector. +** from happening in between the journalling of two pages on the same sector. ** ** subjInMemory ** @@ -51341,16 +52247,16 @@ struct PagerSavepoint { ** is opened as an in-memory journal file. If false, then in-memory ** sub-journals are only used for in-memory pager files. ** -** This variable is updated by the upper layer each time a new +** This variable is updated by the upper layer each time a new ** write-transaction is opened. ** ** dbSize, dbOrigSize, dbFileSize ** ** Variable dbSize is set to the number of pages in the database file. ** It is valid in PAGER_READER and higher states (all states except for -** OPEN and ERROR). +** OPEN and ERROR). ** -** dbSize is set based on the size of the database file, which may be +** dbSize is set based on the size of the database file, which may be ** larger than the size of the database (the value stored at offset ** 28 of the database header by the btree). If the size of the file ** is not an integer multiple of the page-size, the value stored in @@ -51361,10 +52267,10 @@ struct PagerSavepoint { ** ** During a write-transaction, if pages with page-numbers greater than ** dbSize are modified in the cache, dbSize is updated accordingly. -** Similarly, if the database is truncated using PagerTruncateImage(), +** Similarly, if the database is truncated using PagerTruncateImage(), ** dbSize is updated. ** -** Variables dbOrigSize and dbFileSize are valid in states +** Variables dbOrigSize and dbFileSize are valid in states ** PAGER_WRITER_LOCKED and higher. dbOrigSize is a copy of the dbSize ** variable at the start of the transaction. It is used during rollback, ** and to determine whether or not pages need to be journalled before @@ -51373,12 +52279,12 @@ struct PagerSavepoint { ** Throughout a write-transaction, dbFileSize contains the size of ** the file on disk in pages. It is set to a copy of dbSize when the ** write-transaction is first opened, and updated when VFS calls are made -** to write or truncate the database file on disk. +** to write or truncate the database file on disk. ** -** The only reason the dbFileSize variable is required is to suppress -** unnecessary calls to xTruncate() after committing a transaction. If, -** when a transaction is committed, the dbFileSize variable indicates -** that the database file is larger than the database image (Pager.dbSize), +** The only reason the dbFileSize variable is required is to suppress +** unnecessary calls to xTruncate() after committing a transaction. If, +** when a transaction is committed, the dbFileSize variable indicates +** that the database file is larger than the database image (Pager.dbSize), ** pager_truncate() is called. The pager_truncate() call uses xFilesize() ** to measure the database file on disk, and then truncates it if required. ** dbFileSize is not used when rolling back a transaction. In this case @@ -51389,20 +52295,20 @@ struct PagerSavepoint { ** dbHintSize ** ** The dbHintSize variable is used to limit the number of calls made to -** the VFS xFileControl(FCNTL_SIZE_HINT) method. +** the VFS xFileControl(FCNTL_SIZE_HINT) method. ** ** dbHintSize is set to a copy of the dbSize variable when a ** write-transaction is opened (at the same time as dbFileSize and ** dbOrigSize). If the xFileControl(FCNTL_SIZE_HINT) method is called, ** dbHintSize is increased to the number of pages that correspond to the -** size-hint passed to the method call. See pager_write_pagelist() for +** size-hint passed to the method call. See pager_write_pagelist() for ** details. ** ** errCode ** ** The Pager.errCode variable is only ever used in PAGER_ERROR state. It -** is set to zero in all other states. In PAGER_ERROR state, Pager.errCode -** is always set to SQLITE_FULL, SQLITE_IOERR or one of the SQLITE_IOERR_XXX +** is set to zero in all other states. In PAGER_ERROR state, Pager.errCode +** is always set to SQLITE_FULL, SQLITE_IOERR or one of the SQLITE_IOERR_XXX ** sub-codes. ** ** syncFlags, walSyncFlags @@ -51444,7 +52350,7 @@ struct Pager { u8 eState; /* Pager state (OPEN, READER, WRITER_LOCKED..) */ u8 eLock; /* Current lock held on database file */ u8 changeCountDone; /* Set after incrementing the change-counter */ - u8 setMaster; /* True if a m-j name has been written to jrnl */ + u8 setSuper; /* Super-jrnl name is written into jrnl */ u8 doNotSpill; /* Do not spill the cache when non-zero */ u8 subjInMemory; /* True to use in-memory sub-journals */ u8 bUseFetch; /* True to use xFetch() */ @@ -51493,12 +52399,6 @@ struct Pager { #endif void (*xReiniter)(DbPage*); /* Call this routine when reloading pages */ int (*xGet)(Pager*,Pgno,DbPage**,int); /* Routine to fetch a patch */ -#ifdef SQLITE_HAS_CODEC - void *(*xCodec)(void*,void*,Pgno,int); /* Routine for en/decoding data */ - void (*xCodecSizeChng)(void*,int,int); /* Notify of page size changes */ - void (*xCodecFree)(void*); /* Destructor for the codec */ - void *pCodec; /* First argument to xCodec... methods */ -#endif char *pTmpSpace; /* Pager.pageSize bytes of space for tmp use */ PCache *pPCache; /* Pointer to page cache object */ #ifndef SQLITE_OMIT_WAL @@ -51509,7 +52409,7 @@ struct Pager { /* ** Indexes for use with Pager.aStat[]. The Pager.aStat[] array contains -** the values accessed by passing SQLITE_DBSTATUS_CACHE_HIT, CACHE_MISS +** the values accessed by passing SQLITE_DBSTATUS_CACHE_HIT, CACHE_MISS ** or CACHE_WRITE to sqlite3_db_status(). */ #define PAGER_STAT_HIT 0 @@ -51567,7 +52467,7 @@ static const unsigned char aJournalMagic[] = { #define JOURNAL_PG_SZ(pPager) ((pPager->pageSize) + 8) /* -** The journal header size for this pager. This is usually the same +** The journal header size for this pager. This is usually the same ** size as a single disk sector. See also setSectorSize(). */ #define JOURNAL_HDR_SZ(pPager) (pPager->sectorSize) @@ -51595,11 +52495,6 @@ static const unsigned char aJournalMagic[] = { #endif /* -** The maximum legal page number is (2^31 - 1). -*/ -#define PAGER_MAX_PGNO 2147483647 - -/* ** The argument to this macro is a file descriptor (type sqlite3_file*). ** Return 0 if it is not open, or non-zero (but not 1) if it is. ** @@ -51625,9 +52520,6 @@ static const unsigned char aJournalMagic[] = { SQLITE_PRIVATE int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){ if( pPager->fd->pMethods==0 ) return 0; if( sqlite3PCacheIsDirty(pPager->pPCache) ) return 0; -#ifdef SQLITE_HAS_CODEC - if( pPager->xCodec!=0 ) return 0; -#endif #ifndef SQLITE_OMIT_WAL if( pPager->pWal ){ u32 iRead = 0; @@ -51650,7 +52542,7 @@ SQLITE_PRIVATE int sqlite3PagerDirectReadOk(Pager *pPager, Pgno pgno){ # define pagerBeginReadTransaction(z) SQLITE_OK #endif -#ifndef NDEBUG +#ifndef NDEBUG /* ** Usage: ** @@ -51679,25 +52571,25 @@ static int assert_pager_state(Pager *p){ assert( p->tempFile==0 || p->eLock==EXCLUSIVE_LOCK ); assert( p->tempFile==0 || pPager->changeCountDone ); - /* If the useJournal flag is clear, the journal-mode must be "OFF". + /* If the useJournal flag is clear, the journal-mode must be "OFF". ** And if the journal-mode is "OFF", the journal file must not be open. */ assert( p->journalMode==PAGER_JOURNALMODE_OFF || p->useJournal ); assert( p->journalMode!=PAGER_JOURNALMODE_OFF || !isOpen(p->jfd) ); - /* Check that MEMDB implies noSync. And an in-memory journal. Since - ** this means an in-memory pager performs no IO at all, it cannot encounter - ** either SQLITE_IOERR or SQLITE_FULL during rollback or while finalizing - ** a journal file. (although the in-memory journal implementation may - ** return SQLITE_IOERR_NOMEM while the journal file is being written). It - ** is therefore not possible for an in-memory pager to enter the ERROR + /* Check that MEMDB implies noSync. And an in-memory journal. Since + ** this means an in-memory pager performs no IO at all, it cannot encounter + ** either SQLITE_IOERR or SQLITE_FULL during rollback or while finalizing + ** a journal file. (although the in-memory journal implementation may + ** return SQLITE_IOERR_NOMEM while the journal file is being written). It + ** is therefore not possible for an in-memory pager to enter the ERROR ** state. */ if( MEMDB ){ assert( !isOpen(p->fd) ); assert( p->noSync ); - assert( p->journalMode==PAGER_JOURNALMODE_OFF - || p->journalMode==PAGER_JOURNALMODE_MEMORY + assert( p->journalMode==PAGER_JOURNALMODE_OFF + || p->journalMode==PAGER_JOURNALMODE_MEMORY ); assert( p->eState!=PAGER_ERROR && p->eState!=PAGER_OPEN ); assert( pagerUseWal(p)==0 ); @@ -51731,7 +52623,7 @@ static int assert_pager_state(Pager *p){ assert( pPager->dbSize==pPager->dbOrigSize ); assert( pPager->dbOrigSize==pPager->dbFileSize ); assert( pPager->dbOrigSize==pPager->dbHintSize ); - assert( pPager->setMaster==0 ); + assert( pPager->setSuper==0 ); break; case PAGER_WRITER_CACHEMOD: @@ -51744,9 +52636,9 @@ static int assert_pager_state(Pager *p){ ** to journal_mode=wal. */ assert( p->eLock>=RESERVED_LOCK ); - assert( isOpen(p->jfd) - || p->journalMode==PAGER_JOURNALMODE_OFF - || p->journalMode==PAGER_JOURNALMODE_WAL + assert( isOpen(p->jfd) + || p->journalMode==PAGER_JOURNALMODE_OFF + || p->journalMode==PAGER_JOURNALMODE_WAL ); } assert( pPager->dbOrigSize==pPager->dbFileSize ); @@ -51758,9 +52650,9 @@ static int assert_pager_state(Pager *p){ assert( pPager->errCode==SQLITE_OK ); assert( !pagerUseWal(pPager) ); assert( p->eLock>=EXCLUSIVE_LOCK ); - assert( isOpen(p->jfd) - || p->journalMode==PAGER_JOURNALMODE_OFF - || p->journalMode==PAGER_JOURNALMODE_WAL + assert( isOpen(p->jfd) + || p->journalMode==PAGER_JOURNALMODE_OFF + || p->journalMode==PAGER_JOURNALMODE_WAL || (sqlite3OsDeviceCharacteristics(p->fd)&SQLITE_IOCAP_BATCH_ATOMIC) ); assert( pPager->dbOrigSize<=pPager->dbHintSize ); @@ -51770,9 +52662,9 @@ static int assert_pager_state(Pager *p){ assert( p->eLock==EXCLUSIVE_LOCK ); assert( pPager->errCode==SQLITE_OK ); assert( !pagerUseWal(pPager) ); - assert( isOpen(p->jfd) - || p->journalMode==PAGER_JOURNALMODE_OFF - || p->journalMode==PAGER_JOURNALMODE_WAL + assert( isOpen(p->jfd) + || p->journalMode==PAGER_JOURNALMODE_OFF + || p->journalMode==PAGER_JOURNALMODE_WAL || (sqlite3OsDeviceCharacteristics(p->fd)&SQLITE_IOCAP_BATCH_ATOMIC) ); break; @@ -51791,7 +52683,7 @@ static int assert_pager_state(Pager *p){ } #endif /* ifndef NDEBUG */ -#ifdef SQLITE_DEBUG +#ifdef SQLITE_DEBUG /* ** Return a pointer to a human readable string in a static buffer ** containing the state of the Pager object passed as an argument. This @@ -51861,11 +52753,7 @@ static void setGetterMethod(Pager *pPager){ if( pPager->errCode ){ pPager->xGet = getPageError; #if SQLITE_MAX_MMAP_SIZE>0 - }else if( USEFETCH(pPager) -#ifdef SQLITE_HAS_CODEC - && pPager->xCodec==0 -#endif - ){ + }else if( USEFETCH(pPager) ){ pPager->xGet = getPageMMap; #endif /* SQLITE_MAX_MMAP_SIZE>0 */ }else{ @@ -51943,7 +52831,7 @@ static int write32bits(sqlite3_file *fd, i64 offset, u32 val){ ** succeeds, set the Pager.eLock variable to match the (attempted) new lock. ** ** Except, if Pager.eLock is set to UNKNOWN_LOCK when this function is -** called, do not modify it. See the comment above the #define of +** called, do not modify it. See the comment above the #define of ** UNKNOWN_LOCK for an explanation of this. */ static int pagerUnlockDb(Pager *pPager, int eLock){ @@ -51960,17 +52848,18 @@ static int pagerUnlockDb(Pager *pPager, int eLock){ } IOTRACE(("UNLOCK %p %d\n", pPager, eLock)) } + pPager->changeCountDone = pPager->tempFile; /* ticket fb3b3024ea238d5c */ return rc; } /* ** Lock the database file to level eLock, which must be either SHARED_LOCK, ** RESERVED_LOCK or EXCLUSIVE_LOCK. If the caller is successful, set the -** Pager.eLock variable to the new locking state. +** Pager.eLock variable to the new locking state. ** -** Except, if Pager.eLock is set to UNKNOWN_LOCK when this function is -** called, do not modify it unless the new locking state is EXCLUSIVE_LOCK. -** See the comment above the #define of UNKNOWN_LOCK for an explanation +** Except, if Pager.eLock is set to UNKNOWN_LOCK when this function is +** called, do not modify it unless the new locking state is EXCLUSIVE_LOCK. +** See the comment above the #define of UNKNOWN_LOCK for an explanation ** of this. */ static int pagerLockDb(Pager *pPager, int eLock){ @@ -51997,7 +52886,7 @@ static int pagerLockDb(Pager *pPager, int eLock){ ** (b) the value returned by OsSectorSize() is less than or equal ** to the page size. ** -** If it can be used, then the value returned is the size of the journal +** If it can be used, then the value returned is the size of the journal ** file when it contains rollback data for exactly one page. ** ** The atomic-batch-write optimization can be used if OsDeviceCharacteristics() @@ -52088,72 +52977,73 @@ static void checkPage(PgHdr *pPg){ /* ** When this is called the journal file for pager pPager must be open. -** This function attempts to read a master journal file name from the -** end of the file and, if successful, copies it into memory supplied -** by the caller. See comments above writeMasterJournal() for the format -** used to store a master journal file name at the end of a journal file. +** This function attempts to read a super-journal file name from the +** end of the file and, if successful, copies it into memory supplied +** by the caller. See comments above writeSuperJournal() for the format +** used to store a super-journal file name at the end of a journal file. ** -** zMaster must point to a buffer of at least nMaster bytes allocated by +** zSuper must point to a buffer of at least nSuper bytes allocated by ** the caller. This should be sqlite3_vfs.mxPathname+1 (to ensure there is -** enough space to write the master journal name). If the master journal -** name in the journal is longer than nMaster bytes (including a -** nul-terminator), then this is handled as if no master journal name +** enough space to write the super-journal name). If the super-journal +** name in the journal is longer than nSuper bytes (including a +** nul-terminator), then this is handled as if no super-journal name ** were present in the journal. ** -** If a master journal file name is present at the end of the journal -** file, then it is copied into the buffer pointed to by zMaster. A -** nul-terminator byte is appended to the buffer following the master -** journal file name. +** If a super-journal file name is present at the end of the journal +** file, then it is copied into the buffer pointed to by zSuper. A +** nul-terminator byte is appended to the buffer following the +** super-journal file name. ** -** If it is determined that no master journal file name is present -** zMaster[0] is set to 0 and SQLITE_OK returned. +** If it is determined that no super-journal file name is present +** zSuper[0] is set to 0 and SQLITE_OK returned. ** ** If an error occurs while reading from the journal file, an SQLite ** error code is returned. */ -static int readMasterJournal(sqlite3_file *pJrnl, char *zMaster, u32 nMaster){ +static int readSuperJournal(sqlite3_file *pJrnl, char *zSuper, u32 nSuper){ int rc; /* Return code */ - u32 len; /* Length in bytes of master journal name */ + u32 len; /* Length in bytes of super-journal name */ i64 szJ; /* Total size in bytes of journal file pJrnl */ u32 cksum; /* MJ checksum value read from journal */ u32 u; /* Unsigned loop counter */ unsigned char aMagic[8]; /* A buffer to hold the magic header */ - zMaster[0] = '\0'; + zSuper[0] = '\0'; if( SQLITE_OK!=(rc = sqlite3OsFileSize(pJrnl, &szJ)) || szJ<16 || SQLITE_OK!=(rc = read32bits(pJrnl, szJ-16, &len)) - || len>=nMaster + || len>=nSuper || len>szJ-16 - || len==0 + || len==0 || SQLITE_OK!=(rc = read32bits(pJrnl, szJ-12, &cksum)) || SQLITE_OK!=(rc = sqlite3OsRead(pJrnl, aMagic, 8, szJ-8)) || memcmp(aMagic, aJournalMagic, 8) - || SQLITE_OK!=(rc = sqlite3OsRead(pJrnl, zMaster, len, szJ-16-len)) + || SQLITE_OK!=(rc = sqlite3OsRead(pJrnl, zSuper, len, szJ-16-len)) ){ return rc; } - /* See if the checksum matches the master journal name */ + /* See if the checksum matches the super-journal name */ for(u=0; u<len; u++){ - cksum -= zMaster[u]; + cksum -= zSuper[u]; } if( cksum ){ /* If the checksum doesn't add up, then one or more of the disk sectors - ** containing the master journal filename is corrupted. This means + ** containing the super-journal filename is corrupted. This means ** definitely roll back, so just return SQLITE_OK and report a (nul) - ** master-journal filename. + ** super-journal filename. */ len = 0; } - zMaster[len] = '\0'; - + zSuper[len] = '\0'; + zSuper[len+1] = '\0'; + return SQLITE_OK; } /* -** Return the offset of the sector boundary at or immediately -** following the value in pPager->journalOff, assuming a sector +** Return the offset of the sector boundary at or immediately +** following the value in pPager->journalOff, assuming a sector ** size of pPager->sectorSize bytes. ** ** i.e for a sector size of 512: @@ -52164,7 +53054,7 @@ static int readMasterJournal(sqlite3_file *pJrnl, char *zMaster, u32 nMaster){ ** 512 512 ** 100 512 ** 2000 2048 -** +** */ static i64 journalHdrOffset(Pager *pPager){ i64 offset = 0; @@ -52186,12 +53076,12 @@ static i64 journalHdrOffset(Pager *pPager){ ** ** If doTruncate is non-zero or the Pager.journalSizeLimit variable is ** set to 0, then truncate the journal file to zero bytes in size. Otherwise, -** zero the 28-byte header at the start of the journal file. In either case, -** if the pager is not in no-sync mode, sync the journal file immediately +** zero the 28-byte header at the start of the journal file. In either case, +** if the pager is not in no-sync mode, sync the journal file immediately ** after writing or truncating it. ** ** If Pager.journalSizeLimit is set to a positive, non-zero value, and -** following the truncation or zeroing described above the size of the +** following the truncation or zeroing described above the size of the ** journal file in bytes is larger than this value, then truncate the ** journal file to Pager.journalSizeLimit bytes. The journal file does ** not need to be synced following this operation. @@ -52217,8 +53107,8 @@ static int zeroJournalHdr(Pager *pPager, int doTruncate){ rc = sqlite3OsSync(pPager->jfd, SQLITE_SYNC_DATAONLY|pPager->syncFlags); } - /* At this point the transaction is committed but the write lock - ** is still held on the file. If there is a size limit configured for + /* At this point the transaction is committed but the write lock + ** is still held on the file. If there is a size limit configured for ** the persistent journal and the journal file currently consumes more ** space than that limit allows for, truncate it now. There is no need ** to sync the file following this operation. @@ -52246,7 +53136,7 @@ static int zeroJournalHdr(Pager *pPager, int doTruncate){ ** - 4 bytes: Initial database page count. ** - 4 bytes: Sector size used by the process that wrote this journal. ** - 4 bytes: Database page size. -** +** ** Followed by (JOURNAL_HDR_SZ - 28) bytes of unused space. */ static int writeJournalHdr(Pager *pPager){ @@ -52262,8 +53152,8 @@ static int writeJournalHdr(Pager *pPager){ nHeader = JOURNAL_HDR_SZ(pPager); } - /* If there are active savepoints and any of them were created - ** since the most recent journal header was written, update the + /* If there are active savepoints and any of them were created + ** since the most recent journal header was written, update the ** PagerSavepoint.iHdrOffset fields now. */ for(ii=0; ii<pPager->nSavepoint; ii++){ @@ -52274,10 +53164,10 @@ static int writeJournalHdr(Pager *pPager){ pPager->journalHdr = pPager->journalOff = journalHdrOffset(pPager); - /* + /* ** Write the nRec Field - the number of page records that follow this ** journal header. Normally, zero is written to this value at this time. - ** After the records are added to the journal (and the journal synced, + ** After the records are added to the journal (and the journal synced, ** if in full-sync mode), the zero is overwritten with the true number ** of records (see syncJournal()). ** @@ -52296,7 +53186,7 @@ static int writeJournalHdr(Pager *pPager){ */ assert( isOpen(pPager->fd) || pPager->noSync ); if( pPager->noSync || (pPager->journalMode==PAGER_JOURNALMODE_MEMORY) - || (sqlite3OsDeviceCharacteristics(pPager->fd)&SQLITE_IOCAP_SAFE_APPEND) + || (sqlite3OsDeviceCharacteristics(pPager->fd)&SQLITE_IOCAP_SAFE_APPEND) ){ memcpy(zHeader, aJournalMagic, sizeof(aJournalMagic)); put32bits(&zHeader[sizeof(aJournalMagic)], 0xffffffff); @@ -52304,7 +53194,7 @@ static int writeJournalHdr(Pager *pPager){ memset(zHeader, 0, sizeof(aJournalMagic)+4); } - /* The random check-hash initializer */ + /* The random check-hash initializer */ sqlite3_randomness(sizeof(pPager->cksumInit), &pPager->cksumInit); put32bits(&zHeader[sizeof(aJournalMagic)+4], pPager->cksumInit); /* The initial database size */ @@ -52323,23 +53213,23 @@ static int writeJournalHdr(Pager *pPager){ memset(&zHeader[sizeof(aJournalMagic)+20], 0, nHeader-(sizeof(aJournalMagic)+20)); - /* In theory, it is only necessary to write the 28 bytes that the - ** journal header consumes to the journal file here. Then increment the - ** Pager.journalOff variable by JOURNAL_HDR_SZ so that the next + /* In theory, it is only necessary to write the 28 bytes that the + ** journal header consumes to the journal file here. Then increment the + ** Pager.journalOff variable by JOURNAL_HDR_SZ so that the next ** record is written to the following sector (leaving a gap in the file ** that will be implicitly filled in by the OS). ** - ** However it has been discovered that on some systems this pattern can + ** However it has been discovered that on some systems this pattern can ** be significantly slower than contiguously writing data to the file, - ** even if that means explicitly writing data to the block of + ** even if that means explicitly writing data to the block of ** (JOURNAL_HDR_SZ - 28) bytes that will not be used. So that is what - ** is done. + ** is done. ** - ** The loop is required here in case the sector-size is larger than the + ** The loop is required here in case the sector-size is larger than the ** database page size. Since the zHeader buffer is only Pager.pageSize ** bytes in size, more than one call to sqlite3OsWrite() may be required ** to populate the entire journal header sector. - */ + */ for(nWrite=0; rc==SQLITE_OK&&nWrite<JOURNAL_HDR_SZ(pPager); nWrite+=nHeader){ IOTRACE(("JHDR %p %lld %d\n", pPager, pPager->journalHdr, nHeader)) rc = sqlite3OsWrite(pPager->jfd, zHeader, nHeader, pPager->journalOff); @@ -52437,29 +53327,29 @@ static int readJournalHdr( /* Check that the values read from the page-size and sector-size fields ** are within range. To be 'in range', both values need to be a power - ** of two greater than or equal to 512 or 32, and not greater than their + ** of two greater than or equal to 512 or 32, and not greater than their ** respective compile time maximum limits. */ if( iPageSize<512 || iSectorSize<32 || iPageSize>SQLITE_MAX_PAGE_SIZE || iSectorSize>MAX_SECTOR_SIZE - || ((iPageSize-1)&iPageSize)!=0 || ((iSectorSize-1)&iSectorSize)!=0 + || ((iPageSize-1)&iPageSize)!=0 || ((iSectorSize-1)&iSectorSize)!=0 ){ - /* If the either the page-size or sector-size in the journal-header is - ** invalid, then the process that wrote the journal-header must have - ** crashed before the header was synced. In this case stop reading + /* If the either the page-size or sector-size in the journal-header is + ** invalid, then the process that wrote the journal-header must have + ** crashed before the header was synced. In this case stop reading ** the journal file here. */ return SQLITE_DONE; } - /* Update the page-size to match the value read from the journal. - ** Use a testcase() macro to make sure that malloc failure within + /* Update the page-size to match the value read from the journal. + ** Use a testcase() macro to make sure that malloc failure within ** PagerSetPagesize() is tested. */ rc = sqlite3PagerSetPagesize(pPager, &iPageSize, -1); testcase( rc!=SQLITE_OK ); - /* Update the assumed sector-size to match the value used by + /* Update the assumed sector-size to match the value used by ** the process that created this journal. If this journal was ** created by a process other than this one, then this routine ** is being called from within pager_playback(). The local value @@ -52474,50 +53364,50 @@ static int readJournalHdr( /* -** Write the supplied master journal name into the journal file for pager -** pPager at the current location. The master journal name must be the last +** Write the supplied super-journal name into the journal file for pager +** pPager at the current location. The super-journal name must be the last ** thing written to a journal file. If the pager is in full-sync mode, the ** journal file descriptor is advanced to the next sector boundary before ** anything is written. The format is: ** ** + 4 bytes: PAGER_MJ_PGNO. -** + N bytes: Master journal filename in utf-8. -** + 4 bytes: N (length of master journal name in bytes, no nul-terminator). -** + 4 bytes: Master journal name checksum. +** + N bytes: super-journal filename in utf-8. +** + 4 bytes: N (length of super-journal name in bytes, no nul-terminator). +** + 4 bytes: super-journal name checksum. ** + 8 bytes: aJournalMagic[]. ** -** The master journal page checksum is the sum of the bytes in the master -** journal name, where each byte is interpreted as a signed 8-bit integer. +** The super-journal page checksum is the sum of the bytes in thesuper-journal +** name, where each byte is interpreted as a signed 8-bit integer. ** -** If zMaster is a NULL pointer (occurs for a single database transaction), +** If zSuper is a NULL pointer (occurs for a single database transaction), ** this call is a no-op. */ -static int writeMasterJournal(Pager *pPager, const char *zMaster){ +static int writeSuperJournal(Pager *pPager, const char *zSuper){ int rc; /* Return code */ - int nMaster; /* Length of string zMaster */ + int nSuper; /* Length of string zSuper */ i64 iHdrOff; /* Offset of header in journal file */ i64 jrnlSize; /* Size of journal file on disk */ - u32 cksum = 0; /* Checksum of string zMaster */ + u32 cksum = 0; /* Checksum of string zSuper */ - assert( pPager->setMaster==0 ); + assert( pPager->setSuper==0 ); assert( !pagerUseWal(pPager) ); - if( !zMaster - || pPager->journalMode==PAGER_JOURNALMODE_MEMORY + if( !zSuper + || pPager->journalMode==PAGER_JOURNALMODE_MEMORY || !isOpen(pPager->jfd) ){ return SQLITE_OK; } - pPager->setMaster = 1; + pPager->setSuper = 1; assert( pPager->journalHdr <= pPager->journalOff ); - /* Calculate the length in bytes and the checksum of zMaster */ - for(nMaster=0; zMaster[nMaster]; nMaster++){ - cksum += zMaster[nMaster]; + /* Calculate the length in bytes and the checksum of zSuper */ + for(nSuper=0; zSuper[nSuper]; nSuper++){ + cksum += zSuper[nSuper]; } /* If in full-sync mode, advance to the next disk sector before writing - ** the master journal name. This is in case the previous page written to + ** the super-journal name. This is in case the previous page written to ** the journal has already been synced. */ if( pPager->fullSync ){ @@ -52525,30 +53415,30 @@ static int writeMasterJournal(Pager *pPager, const char *zMaster){ } iHdrOff = pPager->journalOff; - /* Write the master journal data to the end of the journal file. If + /* Write the super-journal data to the end of the journal file. If ** an error occurs, return the error code to the caller. */ if( (0 != (rc = write32bits(pPager->jfd, iHdrOff, PAGER_MJ_PGNO(pPager)))) - || (0 != (rc = sqlite3OsWrite(pPager->jfd, zMaster, nMaster, iHdrOff+4))) - || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nMaster, nMaster))) - || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nMaster+4, cksum))) + || (0 != (rc = sqlite3OsWrite(pPager->jfd, zSuper, nSuper, iHdrOff+4))) + || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper, nSuper))) + || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper+4, cksum))) || (0 != (rc = sqlite3OsWrite(pPager->jfd, aJournalMagic, 8, - iHdrOff+4+nMaster+8))) + iHdrOff+4+nSuper+8))) ){ return rc; } - pPager->journalOff += (nMaster+20); + pPager->journalOff += (nSuper+20); - /* If the pager is in peristent-journal mode, then the physical - ** journal-file may extend past the end of the master-journal name - ** and 8 bytes of magic data just written to the file. This is + /* If the pager is in peristent-journal mode, then the physical + ** journal-file may extend past the end of the super-journal name + ** and 8 bytes of magic data just written to the file. This is ** dangerous because the code to rollback a hot-journal file - ** will not be able to find the master-journal name to determine - ** whether or not the journal is hot. + ** will not be able to find the super-journal name to determine + ** whether or not the journal is hot. ** - ** Easiest thing to do in this scenario is to truncate the journal + ** Easiest thing to do in this scenario is to truncate the journal ** file to the required size. - */ + */ if( SQLITE_OK==(rc = sqlite3OsFileSize(pPager->jfd, &jrnlSize)) && jrnlSize>pPager->journalOff ){ @@ -52593,7 +53483,7 @@ static void releaseAllSavepoints(Pager *pPager){ } /* -** Set the bit number pgno in the PagerSavepoint.pInSavepoint +** Set the bit number pgno in the PagerSavepoint.pInSavepoint ** bitvecs of all open savepoints. Return SQLITE_OK if successful ** or SQLITE_NOMEM if a malloc failure occurs. */ @@ -52622,8 +53512,8 @@ static int addToSavepointBitvecs(Pager *pPager, Pgno pgno){ ** not exhibit the UNDELETABLE_WHEN_OPEN property, the journal file is ** closed (if it is open). ** -** If the pager is in ERROR state when this function is called, the -** contents of the pager cache are discarded before switching back to +** If the pager is in ERROR state when this function is called, the +** contents of the pager cache are discarded before switching back to ** the OPEN state. Regardless of whether the pager is in exclusive-mode ** or not, any journal file left in the file-system will be treated ** as a hot-journal and rolled back the next time a read-transaction @@ -52631,9 +53521,9 @@ static int addToSavepointBitvecs(Pager *pPager, Pgno pgno){ */ static void pager_unlock(Pager *pPager){ - assert( pPager->eState==PAGER_READER - || pPager->eState==PAGER_OPEN - || pPager->eState==PAGER_ERROR + assert( pPager->eState==PAGER_READER + || pPager->eState==PAGER_OPEN + || pPager->eState==PAGER_ERROR ); sqlite3BitvecDestroy(pPager->pInJournal); @@ -52680,7 +53570,6 @@ static void pager_unlock(Pager *pPager){ ** code is cleared and the cache reset in the block below. */ assert( pPager->errCode || pPager->eState!=PAGER_ERROR ); - pPager->changeCountDone = 0; pPager->eState = PAGER_OPEN; } @@ -52705,23 +53594,23 @@ static void pager_unlock(Pager *pPager){ pPager->journalOff = 0; pPager->journalHdr = 0; - pPager->setMaster = 0; + pPager->setSuper = 0; } /* ** This function is called whenever an IOERR or FULL error that requires ** the pager to transition into the ERROR state may ahve occurred. -** The first argument is a pointer to the pager structure, the second -** the error-code about to be returned by a pager API function. The -** value returned is a copy of the second argument to this function. +** The first argument is a pointer to the pager structure, the second +** the error-code about to be returned by a pager API function. The +** value returned is a copy of the second argument to this function. ** ** If the second argument is SQLITE_FULL, SQLITE_IOERR or one of the ** IOERR sub-codes, the pager enters the ERROR state and the error code ** is stored in Pager.errCode. While the pager remains in the ERROR state, ** all major API calls on the Pager will immediately return Pager.errCode. ** -** The ERROR state indicates that the contents of the pager-cache -** cannot be trusted. This state can be cleared by completely discarding +** The ERROR state indicates that the contents of the pager-cache +** cannot be trusted. This state can be cleared by completely discarding ** the contents of the pager-cache. If a transaction was active when ** the persistent error occurred, then the rollback journal may need ** to be replayed to restore the contents of the database file (as if @@ -52769,27 +53658,27 @@ static int pagerFlushOnCommit(Pager *pPager, int bCommit){ } /* -** This routine ends a transaction. A transaction is usually ended by -** either a COMMIT or a ROLLBACK operation. This routine may be called +** This routine ends a transaction. A transaction is usually ended by +** either a COMMIT or a ROLLBACK operation. This routine may be called ** after rollback of a hot-journal, or if an error occurs while opening ** the journal file or writing the very first journal-header of a ** database transaction. -** +** ** This routine is never called in PAGER_ERROR state. If it is called ** in PAGER_NONE or PAGER_SHARED state and the lock held is less ** exclusive than a RESERVED lock, it is a no-op. ** ** Otherwise, any active savepoints are released. ** -** If the journal file is open, then it is "finalized". Once a journal -** file has been finalized it is not possible to use it to roll back a +** If the journal file is open, then it is "finalized". Once a journal +** file has been finalized it is not possible to use it to roll back a ** transaction. Nor will it be considered to be a hot-journal by this ** or any other database connection. Exactly how a journal is finalized ** depends on whether or not the pager is running in exclusive mode and ** the current journal-mode (Pager.journalMode value), as follows: ** ** journalMode==MEMORY -** Journal file descriptor is simply closed. This destroys an +** Journal file descriptor is simply closed. This destroys an ** in-memory journal. ** ** journalMode==TRUNCATE @@ -52809,19 +53698,19 @@ static int pagerFlushOnCommit(Pager *pPager, int bCommit){ ** journalMode==PERSIST is used instead. ** ** After the journal is finalized, the pager moves to PAGER_READER state. -** If running in non-exclusive rollback mode, the lock on the file is +** If running in non-exclusive rollback mode, the lock on the file is ** downgraded to a SHARED_LOCK. ** ** SQLITE_OK is returned if no error occurs. If an error occurs during ** any of the IO operations to finalize the journal file or unlock the -** database then the IO error code is returned to the user. If the +** database then the IO error code is returned to the user. If the ** operation to finalize the journal file fails, then the code still ** tries to unlock the database file if not in exclusive mode. If the ** unlock operation fails as well, then the first error code related ** to the first error encountered (the journal finalization one) is ** returned. */ -static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ +static int pager_end_transaction(Pager *pPager, int hasSuper, int bCommit){ int rc = SQLITE_OK; /* Error code from journal finalization operation */ int rc2 = SQLITE_OK; /* Error code from db file unlock operation */ @@ -52833,9 +53722,9 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ ** 1. After a successful hot-journal rollback, it is called with ** eState==PAGER_NONE and eLock==EXCLUSIVE_LOCK. ** - ** 2. If a connection with locking_mode=exclusive holding an EXCLUSIVE + ** 2. If a connection with locking_mode=exclusive holding an EXCLUSIVE ** lock switches back to locking_mode=normal and then executes a - ** read-transaction, this function is called with eState==PAGER_READER + ** read-transaction, this function is called with eState==PAGER_READER ** and eLock==EXCLUSIVE_LOCK when the read-transaction is closed. */ assert( assert_pager_state(pPager) ); @@ -52845,7 +53734,7 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ } releaseAllSavepoints(pPager); - assert( isOpen(pPager->jfd) || pPager->pInJournal==0 + assert( isOpen(pPager->jfd) || pPager->pInJournal==0 || (sqlite3OsDeviceCharacteristics(pPager->fd)&SQLITE_IOCAP_BATCH_ATOMIC) ); if( isOpen(pPager->jfd) ){ @@ -52873,7 +53762,7 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ }else if( pPager->journalMode==PAGER_JOURNALMODE_PERSIST || (pPager->exclusiveMode && pPager->journalMode!=PAGER_JOURNALMODE_WAL) ){ - rc = zeroJournalHdr(pPager, hasMaster||pPager->tempFile); + rc = zeroJournalHdr(pPager, hasSuper||pPager->tempFile); pPager->journalOff = 0; }else{ /* This branch may be executed with Pager.journalMode==MEMORY if @@ -52883,9 +53772,9 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ */ int bDelete = !pPager->tempFile; assert( sqlite3JournalIsInMemory(pPager->jfd)==0 ); - assert( pPager->journalMode==PAGER_JOURNALMODE_DELETE - || pPager->journalMode==PAGER_JOURNALMODE_MEMORY - || pPager->journalMode==PAGER_JOURNALMODE_WAL + assert( pPager->journalMode==PAGER_JOURNALMODE_DELETE + || pPager->journalMode==PAGER_JOURNALMODE_MEMORY + || pPager->journalMode==PAGER_JOURNALMODE_WAL ); sqlite3OsClose(pPager->jfd); if( bDelete ){ @@ -52918,8 +53807,8 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ } if( pagerUseWal(pPager) ){ - /* Drop the WAL write-lock, if any. Also, if the connection was in - ** locking_mode=exclusive mode but is no longer, drop the EXCLUSIVE + /* Drop the WAL write-lock, if any. Also, if the connection was in + ** locking_mode=exclusive mode but is no longer, drop the EXCLUSIVE ** lock held on the database file. */ rc2 = sqlite3WalEndWriteTransaction(pPager->pWal); @@ -52927,7 +53816,7 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ }else if( rc==SQLITE_OK && bCommit && pPager->dbFileSize>pPager->dbSize ){ /* This branch is taken when committing a transaction in rollback-journal ** mode if the database file on disk is larger than the database image. - ** At this point the journal has been finalized and the transaction + ** At this point the journal has been finalized and the transaction ** successfully committed, but the EXCLUSIVE lock is still held on the ** file. So it is safe to truncate the database file to its minimum ** required size. */ @@ -52940,32 +53829,31 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ if( rc==SQLITE_NOTFOUND ) rc = SQLITE_OK; } - if( !pPager->exclusiveMode + if( !pPager->exclusiveMode && (!pagerUseWal(pPager) || sqlite3WalExclusiveMode(pPager->pWal, 0)) ){ rc2 = pagerUnlockDb(pPager, SHARED_LOCK); - pPager->changeCountDone = 0; } pPager->eState = PAGER_READER; - pPager->setMaster = 0; + pPager->setSuper = 0; return (rc==SQLITE_OK?rc2:rc); } /* -** Execute a rollback if a transaction is active and unlock the -** database file. +** Execute a rollback if a transaction is active and unlock the +** database file. ** -** If the pager has already entered the ERROR state, do not attempt +** If the pager has already entered the ERROR state, do not attempt ** the rollback at this time. Instead, pager_unlock() is called. The ** call to pager_unlock() will discard all in-memory pages, unlock -** the database file and move the pager back to OPEN state. If this -** means that there is a hot-journal left in the file-system, the next -** connection to obtain a shared lock on the pager (which may be this one) +** the database file and move the pager back to OPEN state. If this +** means that there is a hot-journal left in the file-system, the next +** connection to obtain a shared lock on the pager (which may be this one) ** will roll it back. ** ** If the pager has not already entered the ERROR state, but an IO or -** malloc error occurs during a rollback, then this will itself cause +** malloc error occurs during a rollback, then this will itself cause ** the pager to enter the ERROR state. Which will be cleared by the ** call to pager_unlock(), as described above. */ @@ -52986,10 +53874,10 @@ static void pagerUnlockAndRollback(Pager *pPager){ /* ** Parameter aData must point to a buffer of pPager->pageSize bytes -** of data. Compute and return a checksum based ont the contents of the +** of data. Compute and return a checksum based ont the contents of the ** page of data and the current value of pPager->cksumInit. ** -** This is not a real checksum. It is really just the sum of the +** This is not a real checksum. It is really just the sum of the ** random initial value (pPager->cksumInit) and every 200th byte ** of the page data, starting with byte offset (pPager->pageSize%200). ** Each byte is interpreted as an 8-bit unsigned integer. @@ -52997,8 +53885,8 @@ static void pagerUnlockAndRollback(Pager *pPager){ ** Changing the formula used to compute this checksum results in an ** incompatible journal file format. ** -** If journal corruption occurs due to a power failure, the most likely -** scenario is that one end or the other of the record will be changed. +** If journal corruption occurs due to a power failure, the most likely +** scenario is that one end or the other of the record will be changed. ** It is much less likely that the two ends of the journal record will be ** correct and the middle be corrupt. Thus, this "checksum" scheme, ** though fast and simple, catches the mostly likely kind of corruption. @@ -53014,41 +53902,12 @@ static u32 pager_cksum(Pager *pPager, const u8 *aData){ } /* -** Report the current page size and number of reserved bytes back -** to the codec. -*/ -#ifdef SQLITE_HAS_CODEC -static void pagerReportSize(Pager *pPager){ - if( pPager->xCodecSizeChng ){ - pPager->xCodecSizeChng(pPager->pCodec, pPager->pageSize, - (int)pPager->nReserve); - } -} -#else -# define pagerReportSize(X) /* No-op if we do not support a codec */ -#endif - -#ifdef SQLITE_HAS_CODEC -/* -** Make sure the number of reserved bits is the same in the destination -** pager as it is in the source. This comes up when a VACUUM changes the -** number of reserved bits to the "optimal" amount. -*/ -SQLITE_PRIVATE void sqlite3PagerAlignReserve(Pager *pDest, Pager *pSrc){ - if( pDest->nReserve!=pSrc->nReserve ){ - pDest->nReserve = pSrc->nReserve; - pagerReportSize(pDest); - } -} -#endif - -/* ** Read a single page from either the journal file (if isMainJrnl==1) or ** from the sub-journal (if isMainJrnl==0) and playback that page. ** The page begins at offset *pOffset into the file. The *pOffset ** value is increased to the start of the next page in the journal. ** -** The main rollback journal uses checksums - the statement journal does +** The main rollback journal uses checksums - the statement journal does ** not. ** ** If the page number of the page record read from the (sub-)journal file @@ -53068,7 +53927,7 @@ SQLITE_PRIVATE void sqlite3PagerAlignReserve(Pager *pDest, Pager *pSrc){ ** is successfully read from the (sub-)journal file but appears to be ** corrupted, SQLITE_DONE is returned. Data is considered corrupted in ** two circumstances: -** +** ** * If the record page-number is illegal (0 or PAGER_MJ_PGNO), or ** * If the record is being rolled back from the main journal file ** and the checksum field does not match the record content. @@ -53093,11 +53952,6 @@ static int pager_playback_one_page( char *aData; /* Temporary storage for the page */ sqlite3_file *jfd; /* The file descriptor for the journal file */ int isSynced; /* True if journal page is synced */ -#ifdef SQLITE_HAS_CODEC - /* The jrnlEnc flag is true if Journal pages should be passed through - ** the codec. It is false for pure in-memory journals. */ - const int jrnlEnc = (isMainJrnl || pPager->subjInMemory==0); -#endif assert( (isMainJrnl&~1)==0 ); /* isMainJrnl is 0 or 1 */ assert( (isSavepnt&~1)==0 ); /* isSavepnt is 0 or 1 */ @@ -53108,7 +53962,7 @@ static int pager_playback_one_page( assert( aData ); /* Temp storage must have already been allocated */ assert( pagerUseWal(pPager)==0 || (!isMainJrnl && isSavepnt) ); - /* Either the state is greater than PAGER_WRITER_CACHEMOD (a transaction + /* Either the state is greater than PAGER_WRITER_CACHEMOD (a transaction ** or savepoint rollback done at the request of the caller) or this is ** a hot-journal rollback. If it is a hot-journal rollback, the pager ** is in state OPEN and holds an EXCLUSIVE lock. Hot-journal rollback @@ -53160,7 +54014,6 @@ static int pager_playback_one_page( */ if( pgno==1 && pPager->nReserve!=((u8*)aData)[20] ){ pPager->nReserve = ((u8*)aData)[20]; - pagerReportSize(pPager); } /* If the pager is in CACHEMOD state, then there must be a copy of this @@ -53175,7 +54028,7 @@ static int pager_playback_one_page( ** assert()able. ** ** If in WRITER_DBMOD, WRITER_FINISHED or OPEN state, then we update the - ** pager cache if it exists and the main file. The page is then marked + ** pager cache if it exists and the main file. The page is then marked ** not dirty. Since this code is only executed in PAGER_OPEN state for ** a hot-journal rollback, it is guaranteed that the page-cache is empty ** if the pager is in OPEN state. @@ -53228,43 +54081,29 @@ static int pager_playback_one_page( ** is if the data was just read from an in-memory sub-journal. In that ** case it must be encrypted here before it is copied into the database ** file. */ -#ifdef SQLITE_HAS_CODEC - if( !jrnlEnc ){ - CODEC2(pPager, aData, pgno, 7, rc=SQLITE_NOMEM_BKPT, aData); - rc = sqlite3OsWrite(pPager->fd, (u8 *)aData, pPager->pageSize, ofst); - CODEC1(pPager, aData, pgno, 3, rc=SQLITE_NOMEM_BKPT); - }else -#endif rc = sqlite3OsWrite(pPager->fd, (u8 *)aData, pPager->pageSize, ofst); if( pgno>pPager->dbFileSize ){ pPager->dbFileSize = pgno; } if( pPager->pBackup ){ -#ifdef SQLITE_HAS_CODEC - if( jrnlEnc ){ - CODEC1(pPager, aData, pgno, 3, rc=SQLITE_NOMEM_BKPT); - sqlite3BackupUpdate(pPager->pBackup, pgno, (u8*)aData); - CODEC2(pPager, aData, pgno, 7, rc=SQLITE_NOMEM_BKPT,aData); - }else -#endif sqlite3BackupUpdate(pPager->pBackup, pgno, (u8*)aData); } }else if( !isMainJrnl && pPg==0 ){ /* If this is a rollback of a savepoint and data was not written to ** the database and the page is not in-memory, there is a potential - ** problem. When the page is next fetched by the b-tree layer, it - ** will be read from the database file, which may or may not be - ** current. + ** problem. When the page is next fetched by the b-tree layer, it + ** will be read from the database file, which may or may not be + ** current. ** ** There are a couple of different ways this can happen. All are quite - ** obscure. When running in synchronous mode, this can only happen + ** obscure. When running in synchronous mode, this can only happen ** if the page is on the free-list at the start of the transaction, then ** populated, then moved using sqlite3PagerMovepage(). ** ** The solution is to add an in-memory page to the cache containing - ** the data just read from the sub-journal. Mark the page as dirty - ** and if the pager requires a journal-sync, then mark the page as + ** the data just read from the sub-journal. Mark the page as dirty + ** and if the pager requires a journal-sync, then mark the page as ** requiring a journal-sync before it is written. */ assert( isSavepnt ); @@ -53298,164 +54137,164 @@ static int pager_playback_one_page( if( pgno==1 ){ memcpy(&pPager->dbFileVers, &((u8*)pData)[24],sizeof(pPager->dbFileVers)); } - - /* Decode the page just read from disk */ -#if SQLITE_HAS_CODEC - if( jrnlEnc ){ CODEC1(pPager, pData, pPg->pgno, 3, rc=SQLITE_NOMEM_BKPT); } -#endif sqlite3PcacheRelease(pPg); } return rc; } /* -** Parameter zMaster is the name of a master journal file. A single journal -** file that referred to the master journal file has just been rolled back. -** This routine checks if it is possible to delete the master journal file, +** Parameter zSuper is the name of a super-journal file. A single journal +** file that referred to the super-journal file has just been rolled back. +** This routine checks if it is possible to delete the super-journal file, ** and does so if it is. ** -** Argument zMaster may point to Pager.pTmpSpace. So that buffer is not +** Argument zSuper may point to Pager.pTmpSpace. So that buffer is not ** available for use within this function. ** -** When a master journal file is created, it is populated with the names -** of all of its child journals, one after another, formatted as utf-8 -** encoded text. The end of each child journal file is marked with a -** nul-terminator byte (0x00). i.e. the entire contents of a master journal +** When a super-journal file is created, it is populated with the names +** of all of its child journals, one after another, formatted as utf-8 +** encoded text. The end of each child journal file is marked with a +** nul-terminator byte (0x00). i.e. the entire contents of a super-journal ** file for a transaction involving two databases might be: ** ** "/home/bill/a.db-journal\x00/home/bill/b.db-journal\x00" ** -** A master journal file may only be deleted once all of its child +** A super-journal file may only be deleted once all of its child ** journals have been rolled back. ** -** This function reads the contents of the master-journal file into +** This function reads the contents of the super-journal file into ** memory and loops through each of the child journal names. For ** each child journal, it checks if: ** ** * if the child journal exists, and if so -** * if the child journal contains a reference to master journal -** file zMaster +** * if the child journal contains a reference to super-journal +** file zSuper ** ** If a child journal can be found that matches both of the criteria ** above, this function returns without doing anything. Otherwise, if -** no such child journal can be found, file zMaster is deleted from +** no such child journal can be found, file zSuper is deleted from ** the file-system using sqlite3OsDelete(). ** ** If an IO error within this function, an error code is returned. This ** function allocates memory by calling sqlite3Malloc(). If an allocation -** fails, SQLITE_NOMEM is returned. Otherwise, if no IO or malloc errors +** fails, SQLITE_NOMEM is returned. Otherwise, if no IO or malloc errors ** occur, SQLITE_OK is returned. ** ** TODO: This function allocates a single block of memory to load -** the entire contents of the master journal file. This could be -** a couple of kilobytes or so - potentially larger than the page +** the entire contents of the super-journal file. This could be +** a couple of kilobytes or so - potentially larger than the page ** size. */ -static int pager_delmaster(Pager *pPager, const char *zMaster){ +static int pager_delsuper(Pager *pPager, const char *zSuper){ sqlite3_vfs *pVfs = pPager->pVfs; int rc; /* Return code */ - sqlite3_file *pMaster; /* Malloc'd master-journal file descriptor */ + sqlite3_file *pSuper; /* Malloc'd super-journal file descriptor */ sqlite3_file *pJournal; /* Malloc'd child-journal file descriptor */ - char *zMasterJournal = 0; /* Contents of master journal file */ - i64 nMasterJournal; /* Size of master journal file */ + char *zSuperJournal = 0; /* Contents of super-journal file */ + i64 nSuperJournal; /* Size of super-journal file */ char *zJournal; /* Pointer to one journal within MJ file */ - char *zMasterPtr; /* Space to hold MJ filename from a journal file */ - int nMasterPtr; /* Amount of space allocated to zMasterPtr[] */ + char *zSuperPtr; /* Space to hold super-journal filename */ + int nSuperPtr; /* Amount of space allocated to zSuperPtr[] */ - /* Allocate space for both the pJournal and pMaster file descriptors. - ** If successful, open the master journal file for reading. + /* Allocate space for both the pJournal and pSuper file descriptors. + ** If successful, open the super-journal file for reading. */ - pMaster = (sqlite3_file *)sqlite3MallocZero(pVfs->szOsFile * 2); - pJournal = (sqlite3_file *)(((u8 *)pMaster) + pVfs->szOsFile); - if( !pMaster ){ + pSuper = (sqlite3_file *)sqlite3MallocZero(pVfs->szOsFile * 2); + if( !pSuper ){ rc = SQLITE_NOMEM_BKPT; + pJournal = 0; }else{ - const int flags = (SQLITE_OPEN_READONLY|SQLITE_OPEN_MASTER_JOURNAL); - rc = sqlite3OsOpen(pVfs, zMaster, pMaster, flags, 0); + const int flags = (SQLITE_OPEN_READONLY|SQLITE_OPEN_SUPER_JOURNAL); + rc = sqlite3OsOpen(pVfs, zSuper, pSuper, flags, 0); + pJournal = (sqlite3_file *)(((u8 *)pSuper) + pVfs->szOsFile); } - if( rc!=SQLITE_OK ) goto delmaster_out; + if( rc!=SQLITE_OK ) goto delsuper_out; - /* Load the entire master journal file into space obtained from - ** sqlite3_malloc() and pointed to by zMasterJournal. Also obtain - ** sufficient space (in zMasterPtr) to hold the names of master - ** journal files extracted from regular rollback-journals. + /* Load the entire super-journal file into space obtained from + ** sqlite3_malloc() and pointed to by zSuperJournal. Also obtain + ** sufficient space (in zSuperPtr) to hold the names of super-journal + ** files extracted from regular rollback-journals. */ - rc = sqlite3OsFileSize(pMaster, &nMasterJournal); - if( rc!=SQLITE_OK ) goto delmaster_out; - nMasterPtr = pVfs->mxPathname+1; - zMasterJournal = sqlite3Malloc(nMasterJournal + nMasterPtr + 1); - if( !zMasterJournal ){ + rc = sqlite3OsFileSize(pSuper, &nSuperJournal); + if( rc!=SQLITE_OK ) goto delsuper_out; + nSuperPtr = pVfs->mxPathname+1; + zSuperJournal = sqlite3Malloc(nSuperJournal + nSuperPtr + 2); + if( !zSuperJournal ){ rc = SQLITE_NOMEM_BKPT; - goto delmaster_out; + goto delsuper_out; } - zMasterPtr = &zMasterJournal[nMasterJournal+1]; - rc = sqlite3OsRead(pMaster, zMasterJournal, (int)nMasterJournal, 0); - if( rc!=SQLITE_OK ) goto delmaster_out; - zMasterJournal[nMasterJournal] = 0; + zSuperPtr = &zSuperJournal[nSuperJournal+2]; + rc = sqlite3OsRead(pSuper, zSuperJournal, (int)nSuperJournal, 0); + if( rc!=SQLITE_OK ) goto delsuper_out; + zSuperJournal[nSuperJournal] = 0; + zSuperJournal[nSuperJournal+1] = 0; - zJournal = zMasterJournal; - while( (zJournal-zMasterJournal)<nMasterJournal ){ + zJournal = zSuperJournal; + while( (zJournal-zSuperJournal)<nSuperJournal ){ int exists; rc = sqlite3OsAccess(pVfs, zJournal, SQLITE_ACCESS_EXISTS, &exists); if( rc!=SQLITE_OK ){ - goto delmaster_out; + goto delsuper_out; } if( exists ){ - /* One of the journals pointed to by the master journal exists. - ** Open it and check if it points at the master journal. If - ** so, return without deleting the master journal file. + /* One of the journals pointed to by the super-journal exists. + ** Open it and check if it points at the super-journal. If + ** so, return without deleting the super-journal file. + ** NB: zJournal is really a MAIN_JOURNAL. But call it a + ** SUPER_JOURNAL here so that the VFS will not send the zJournal + ** name into sqlite3_database_file_object(). */ int c; - int flags = (SQLITE_OPEN_READONLY|SQLITE_OPEN_MAIN_JOURNAL); + int flags = (SQLITE_OPEN_READONLY|SQLITE_OPEN_SUPER_JOURNAL); rc = sqlite3OsOpen(pVfs, zJournal, pJournal, flags, 0); if( rc!=SQLITE_OK ){ - goto delmaster_out; + goto delsuper_out; } - rc = readMasterJournal(pJournal, zMasterPtr, nMasterPtr); + rc = readSuperJournal(pJournal, zSuperPtr, nSuperPtr); sqlite3OsClose(pJournal); if( rc!=SQLITE_OK ){ - goto delmaster_out; + goto delsuper_out; } - c = zMasterPtr[0]!=0 && strcmp(zMasterPtr, zMaster)==0; + c = zSuperPtr[0]!=0 && strcmp(zSuperPtr, zSuper)==0; if( c ){ - /* We have a match. Do not delete the master journal file. */ - goto delmaster_out; + /* We have a match. Do not delete the super-journal file. */ + goto delsuper_out; } } zJournal += (sqlite3Strlen30(zJournal)+1); } - - sqlite3OsClose(pMaster); - rc = sqlite3OsDelete(pVfs, zMaster, 0); -delmaster_out: - sqlite3_free(zMasterJournal); - if( pMaster ){ - sqlite3OsClose(pMaster); + sqlite3OsClose(pSuper); + rc = sqlite3OsDelete(pVfs, zSuper, 0); + +delsuper_out: + sqlite3_free(zSuperJournal); + if( pSuper ){ + sqlite3OsClose(pSuper); assert( !isOpen(pJournal) ); - sqlite3_free(pMaster); + sqlite3_free(pSuper); } return rc; } /* -** This function is used to change the actual size of the database +** This function is used to change the actual size of the database ** file in the file-system. This only happens when committing a transaction, ** or rolling back a transaction (including rolling back a hot-journal). ** ** If the main database file is not open, or the pager is not in either -** DBMOD or OPEN state, this function is a no-op. Otherwise, the size -** of the file is changed to nPage pages (nPage*pPager->pageSize bytes). +** DBMOD or OPEN state, this function is a no-op. Otherwise, the size +** of the file is changed to nPage pages (nPage*pPager->pageSize bytes). ** If the file on disk is currently larger than nPage pages, then use the VFS ** xTruncate() method to truncate it. ** -** Or, it might be the case that the file on disk is smaller than -** nPage pages. Some operating system implementations can get confused if -** you try to truncate a file to some size that is larger than it -** currently is, so detect this case and write a single zero byte to +** Or, it might be the case that the file on disk is smaller than +** nPage pages. Some operating system implementations can get confused if +** you try to truncate a file to some size that is larger than it +** currently is, so detect this case and write a single zero byte to ** the end of the new file instead. ** ** If successful, return SQLITE_OK. If an IO error occurs while modifying @@ -53465,9 +54304,9 @@ static int pager_truncate(Pager *pPager, Pgno nPage){ int rc = SQLITE_OK; assert( pPager->eState!=PAGER_ERROR ); assert( pPager->eState!=PAGER_READER ); - - if( isOpen(pPager->fd) - && (pPager->eState>=PAGER_WRITER_DBMOD || pPager->eState==PAGER_OPEN) + + if( isOpen(pPager->fd) + && (pPager->eState>=PAGER_WRITER_DBMOD || pPager->eState==PAGER_OPEN) ){ i64 currentSize, newSize; int szPage = pPager->pageSize; @@ -53511,9 +54350,9 @@ SQLITE_PRIVATE int sqlite3SectorSize(sqlite3_file *pFile){ /* ** Set the value of the Pager.sectorSize variable for the given ** pager based on the value returned by the xSectorSize method -** of the open database file. The sector size will be used -** to determine the size and alignment of journal header and -** master journal pointers within created journal files. +** of the open database file. The sector size will be used +** to determine the size and alignment of journal header and +** super-journal pointers within created journal files. ** ** For temporary files the effective sector size is always 512 bytes. ** @@ -53535,7 +54374,7 @@ static void setSectorSize(Pager *pPager){ assert( isOpen(pPager->fd) || pPager->tempFile ); if( pPager->tempFile - || (sqlite3OsDeviceCharacteristics(pPager->fd) & + || (sqlite3OsDeviceCharacteristics(pPager->fd) & SQLITE_IOCAP_POWERSAFE_OVERWRITE)!=0 ){ /* Sector size doesn't matter for temporary files. Also, the file @@ -53549,15 +54388,15 @@ static void setSectorSize(Pager *pPager){ /* ** Playback the journal and thus restore the database file to -** the state it was in before we started making changes. +** the state it was in before we started making changes. ** -** The journal file format is as follows: +** The journal file format is as follows: ** ** (1) 8 byte prefix. A copy of aJournalMagic[]. ** (2) 4 byte big-endian integer which is the number of valid page records ** in the journal. If this value is 0xffffffff, then compute the ** number of page records from the journal size. -** (3) 4 byte big-endian integer which is the initial value for the +** (3) 4 byte big-endian integer which is the initial value for the ** sanity checksum. ** (4) 4 byte integer which is the number of pages to truncate the ** database to during a rollback. @@ -53586,7 +54425,7 @@ static void setSectorSize(Pager *pPager){ ** from the file size. This value is used when the user selects the ** no-sync option for the journal. A power failure could lead to corruption ** in this case. But for things like temporary table (which will be -** deleted when the power is restored) we don't care. +** deleted when the power is restored) we don't care. ** ** If the file opened as the journal file is not a well-formed ** journal file then all pages up to the first corrupted page are rolled @@ -53598,7 +54437,7 @@ static void setSectorSize(Pager *pPager){ ** and an error code is returned. ** ** The isHot parameter indicates that we are trying to rollback a journal -** that might be a hot journal. Or, it could be that the journal is +** that might be a hot journal. Or, it could be that the journal is ** preserved because of JOURNALMODE_PERSIST or JOURNALMODE_TRUNCATE. ** If the journal really is hot, reset the pager cache prior rolling ** back any content. If the journal is merely persistent, no reset is @@ -53612,7 +54451,7 @@ static int pager_playback(Pager *pPager, int isHot){ Pgno mxPg = 0; /* Size of the original file in pages */ int rc; /* Result code of a subroutine */ int res = 1; /* Value returned by sqlite3OsAccess() */ - char *zMaster = 0; /* Name of master journal file if any */ + char *zSuper = 0; /* Name of super-journal file if any */ int needPagerReset; /* True to reset page prior to first page rollback */ int nPlayback = 0; /* Total number of pages restored from journal */ u32 savedPageSize = pPager->pageSize; @@ -53626,8 +54465,8 @@ static int pager_playback(Pager *pPager, int isHot){ goto end_playback; } - /* Read the master journal name from the journal, if it is present. - ** If a master journal file name is specified, but the file is not + /* Read the super-journal name from the journal, if it is present. + ** If a super-journal file name is specified, but the file is not ** present on disk, then the journal is not hot and does not need to be ** played back. ** @@ -53637,21 +54476,21 @@ static int pager_playback(Pager *pPager, int isHot){ ** mxPathname is 512, which is the same as the minimum allowable value ** for pageSize. */ - zMaster = pPager->pTmpSpace; - rc = readMasterJournal(pPager->jfd, zMaster, pPager->pVfs->mxPathname+1); - if( rc==SQLITE_OK && zMaster[0] ){ - rc = sqlite3OsAccess(pVfs, zMaster, SQLITE_ACCESS_EXISTS, &res); + zSuper = pPager->pTmpSpace; + rc = readSuperJournal(pPager->jfd, zSuper, pPager->pVfs->mxPathname+1); + if( rc==SQLITE_OK && zSuper[0] ){ + rc = sqlite3OsAccess(pVfs, zSuper, SQLITE_ACCESS_EXISTS, &res); } - zMaster = 0; + zSuper = 0; if( rc!=SQLITE_OK || !res ){ goto end_playback; } pPager->journalOff = 0; needPagerReset = isHot; - /* This loop terminates either when a readJournalHdr() or - ** pager_playback_one_page() call returns SQLITE_DONE or an IO error - ** occurs. + /* This loop terminates either when a readJournalHdr() or + ** pager_playback_one_page() call returns SQLITE_DONE or an IO error + ** occurs. */ while( 1 ){ /* Read the next journal header from the journal file. If there are @@ -53660,7 +54499,7 @@ static int pager_playback(Pager *pPager, int isHot){ ** This indicates nothing more needs to be rolled back. */ rc = readJournalHdr(pPager, isHot, szJ, &nRec, &mxPg); - if( rc!=SQLITE_OK ){ + if( rc!=SQLITE_OK ){ if( rc==SQLITE_DONE ){ rc = SQLITE_OK; } @@ -53688,7 +54527,7 @@ static int pager_playback(Pager *pPager, int isHot){ ** chunk of the journal contains zero pages to be rolled back. But ** when doing a ROLLBACK and the nRec==0 chunk is the last chunk in ** the journal, it means that the journal might contain additional - ** pages that need to be rolled back and that the number of pages + ** pages that need to be rolled back and that the number of pages ** should be computed based on the journal file size. */ if( nRec==0 && !isHot && @@ -53707,7 +54546,7 @@ static int pager_playback(Pager *pPager, int isHot){ pPager->dbSize = mxPg; } - /* Copy original pages out of the journal and back into the + /* Copy original pages out of the journal and back into the ** database file and/or page cache. */ for(u=0; u<nRec; u++){ @@ -53757,10 +54596,10 @@ end_playback: sqlite3OsFileControlHint(pPager->fd,SQLITE_FCNTL_DB_UNCHANGED,0); #endif - /* If this playback is happening automatically as a result of an IO or - ** malloc error that occurred after the change-counter was updated but - ** before the transaction was committed, then the change-counter - ** modification may just have been reverted. If this happens in exclusive + /* If this playback is happening automatically as a result of an IO or + ** malloc error that occurred after the change-counter was updated but + ** before the transaction was committed, then the change-counter + ** modification may just have been reverted. If this happens in exclusive ** mode, then subsequent transactions performed by the connection will not ** update the change-counter at all. This may lead to cache inconsistency ** problems for other processes at some point in the future. So, just @@ -53769,8 +54608,8 @@ end_playback: pPager->changeCountDone = pPager->tempFile; if( rc==SQLITE_OK ){ - zMaster = pPager->pTmpSpace; - rc = readMasterJournal(pPager->jfd, zMaster, pPager->pVfs->mxPathname+1); + zSuper = pPager->pTmpSpace; + rc = readSuperJournal(pPager->jfd, zSuper, pPager->pVfs->mxPathname+1); testcase( rc!=SQLITE_OK ); } if( rc==SQLITE_OK @@ -53779,14 +54618,14 @@ end_playback: rc = sqlite3PagerSync(pPager, 0); } if( rc==SQLITE_OK ){ - rc = pager_end_transaction(pPager, zMaster[0]!='\0', 0); + rc = pager_end_transaction(pPager, zSuper[0]!='\0', 0); testcase( rc!=SQLITE_OK ); } - if( rc==SQLITE_OK && zMaster[0] && res ){ - /* If there was a master journal and this routine will return success, - ** see if it is possible to delete the master journal. + if( rc==SQLITE_OK && zSuper[0] && res ){ + /* If there was a super-journal and this routine will return success, + ** see if it is possible to delete the super-journal. */ - rc = pager_delmaster(pPager, zMaster); + rc = pager_delsuper(pPager, zSuper); testcase( rc!=SQLITE_OK ); } if( isHot && nPlayback ){ @@ -53805,7 +54644,7 @@ end_playback: /* ** Read the content for page pPg out of the database file (or out of -** the WAL if that is where the most recent copy if found) into +** the WAL if that is where the most recent copy if found) into ** pPg->pData. A shared lock or greater must be held on the database ** file before this function is called. ** @@ -53861,8 +54700,6 @@ static int readDbPage(PgHdr *pPg){ memcpy(&pPager->dbFileVers, dbFileVers, sizeof(pPager->dbFileVers)); } } - CODEC1(pPager, pPg->pData, pPg->pgno, 3, rc = SQLITE_NOMEM_BKPT); - PAGER_INCR(sqlite3_pager_readdb_count); PAGER_INCR(pPager->nRead); IOTRACE(("PGIN %p %d\n", pPager, pPg->pgno)); @@ -53896,15 +54733,15 @@ static void pager_write_changecounter(PgHdr *pPg){ #ifndef SQLITE_OMIT_WAL /* -** This function is invoked once for each page that has already been +** This function is invoked once for each page that has already been ** written into the log file when a WAL transaction is rolled back. -** Parameter iPg is the page number of said page. The pCtx argument +** Parameter iPg is the page number of said page. The pCtx argument ** is actually a pointer to the Pager structure. ** ** If page iPg is present in the cache, and has no outstanding references, ** it is discarded. Otherwise, if there are one or more outstanding ** references, the page content is reloaded from the database. If the -** attempt to reload content from the database is required and fails, +** attempt to reload content from the database is required and fails, ** return an SQLite error code. Otherwise, SQLITE_OK. */ static int pagerUndoCallback(void *pCtx, Pgno iPg){ @@ -53930,7 +54767,7 @@ static int pagerUndoCallback(void *pCtx, Pgno iPg){ ** updated as data is copied out of the rollback journal and into the ** database. This is not generally possible with a WAL database, as ** rollback involves simply truncating the log file. Therefore, if one - ** or more frames have already been written to the log (and therefore + ** or more frames have already been written to the log (and therefore ** also copied into the backup databases) as part of this transaction, ** the backups must be restarted. */ @@ -53947,7 +54784,7 @@ static int pagerRollbackWal(Pager *pPager){ PgHdr *pList; /* List of dirty pages to revert */ /* For all pages in the cache that are currently dirty or have already - ** been written (but not committed) to the log file, do one of the + ** been written (but not committed) to the log file, do one of the ** following: ** ** + Discard the cached page (if refcount==0), or @@ -53969,11 +54806,11 @@ static int pagerRollbackWal(Pager *pPager){ ** This function is a wrapper around sqlite3WalFrames(). As well as logging ** the contents of the list of pages headed by pList (connected by pDirty), ** this function notifies any active backup processes that the pages have -** changed. +** changed. ** ** The list of pages passed into this routine is always sorted by page number. ** Hence, if page 1 appears anywhere on the list, it will be the first page. -*/ +*/ static int pagerWalFrames( Pager *pPager, /* Pager object */ PgHdr *pList, /* List of frames to log */ @@ -54014,7 +54851,7 @@ static int pagerWalFrames( pPager->aStat[PAGER_STAT_WRITE] += nList; if( pList->pgno==1 ) pager_write_changecounter(pList); - rc = sqlite3WalFrames(pPager->pWal, + rc = sqlite3WalFrames(pPager->pWal, pPager->pageSize, pList, nTruncate, isCommit, pPager->walSyncFlags ); if( rc==SQLITE_OK && pPager->pBackup ){ @@ -54129,9 +54966,9 @@ static int pagerPagecount(Pager *pPager, Pgno *pnPage){ ** Return SQLITE_OK or an error code. ** ** The caller must hold a SHARED lock on the database file to call this -** function. Because an EXCLUSIVE lock on the db file is required to delete -** a WAL on a none-empty database, this ensures there is no race condition -** between the xAccess() below and an xDelete() being executed by some +** function. Because an EXCLUSIVE lock on the db file is required to delete +** a WAL on a none-empty database, this ensures there is no race condition +** between the xAccess() below and an xDelete() being executed by some ** other connection. */ static int pagerOpenWalIfPresent(Pager *pPager){ @@ -54167,21 +55004,21 @@ static int pagerOpenWalIfPresent(Pager *pPager){ /* ** Playback savepoint pSavepoint. Or, if pSavepoint==NULL, then playback -** the entire master journal file. The case pSavepoint==NULL occurs when -** a ROLLBACK TO command is invoked on a SAVEPOINT that is a transaction +** the entire super-journal file. The case pSavepoint==NULL occurs when +** a ROLLBACK TO command is invoked on a SAVEPOINT that is a transaction ** savepoint. ** -** When pSavepoint is not NULL (meaning a non-transaction savepoint is +** When pSavepoint is not NULL (meaning a non-transaction savepoint is ** being rolled back), then the rollback consists of up to three stages, ** performed in the order specified: ** ** * Pages are played back from the main journal starting at byte -** offset PagerSavepoint.iOffset and continuing to +** offset PagerSavepoint.iOffset and continuing to ** PagerSavepoint.iHdrOffset, or to the end of the main journal ** file if PagerSavepoint.iHdrOffset is zero. ** ** * If PagerSavepoint.iHdrOffset is not zero, then pages are played -** back starting from the journal header immediately following +** back starting from the journal header immediately following ** PagerSavepoint.iHdrOffset to the end of the main journal file. ** ** * Pages are then played back from the sub-journal file, starting @@ -54197,7 +55034,7 @@ static int pagerOpenWalIfPresent(Pager *pPager){ ** journal file. There is no need for a bitvec in this case. ** ** In either case, before playback commences the Pager.dbSize variable -** is reset to the value that it held at the start of the savepoint +** is reset to the value that it held at the start of the savepoint ** (or transaction). No page with a page-number greater than this value ** is played back. If one is encountered it is simply skipped. */ @@ -54218,7 +55055,7 @@ static int pagerPlaybackSavepoint(Pager *pPager, PagerSavepoint *pSavepoint){ } } - /* Set the database size back to the value it was before the savepoint + /* Set the database size back to the value it was before the savepoint ** being reverted was opened. */ pPager->dbSize = pSavepoint ? pSavepoint->nOrig : pPager->dbOrigSize; @@ -54271,7 +55108,7 @@ static int pagerPlaybackSavepoint(Pager *pPager, PagerSavepoint *pSavepoint){ ** test is related to ticket #2565. See the discussion in the ** pager_playback() function for additional information. */ - if( nJRec==0 + if( nJRec==0 && pPager->journalHdr+JOURNAL_HDR_SZ(pPager)==pPager->journalOff ){ nJRec = (u32)((szJ - pPager->journalOff)/JOURNAL_PG_SZ(pPager)); @@ -54447,7 +55284,7 @@ SQLITE_PRIVATE void sqlite3PagerSetFlags( /* ** The following global variable is incremented whenever the library ** attempts to open a temporary file. This information is used for -** testing and analysis only. +** testing and analysis only. */ #ifdef SQLITE_TEST SQLITE_API int sqlite3_opentemp_count = 0; @@ -54456,8 +55293,8 @@ SQLITE_API int sqlite3_opentemp_count = 0; /* ** Open a temporary file. ** -** Write the file descriptor into *pFile. Return SQLITE_OK on success -** or some other error code if we fail. The OS will automatically +** Write the file descriptor into *pFile. Return SQLITE_OK on success +** or some other error code if we fail. The OS will automatically ** delete the temporary file when it is closed. ** ** The flags passed to the VFS layer xOpen() call are those specified @@ -54489,9 +55326,9 @@ static int pagerOpentemp( /* ** Set the busy handler function. ** -** The pager invokes the busy-handler if sqlite3OsLock() returns +** The pager invokes the busy-handler if sqlite3OsLock() returns ** SQLITE_BUSY when trying to upgrade from no-lock to a SHARED lock, -** or when trying to upgrade from a RESERVED lock to an EXCLUSIVE +** or when trying to upgrade from a RESERVED lock to an EXCLUSIVE ** lock. It does *not* invoke the busy handler when upgrading from ** SHARED to RESERVED, or when upgrading from SHARED to EXCLUSIVE ** (which occurs during hot-journal rollback). Summary: @@ -54503,7 +55340,7 @@ static int pagerOpentemp( ** SHARED_LOCK -> EXCLUSIVE_LOCK | No ** RESERVED_LOCK -> EXCLUSIVE_LOCK | Yes ** -** If the busy-handler callback returns non-zero, the lock is +** If the busy-handler callback returns non-zero, the lock is ** retried. If it returns zero, then the SQLITE_BUSY error is ** returned to the caller of the pager API function. */ @@ -54522,16 +55359,16 @@ SQLITE_PRIVATE void sqlite3PagerSetBusyHandler( } /* -** Change the page size used by the Pager object. The new page size +** Change the page size used by the Pager object. The new page size ** is passed in *pPageSize. ** ** If the pager is in the error state when this function is called, it -** is a no-op. The value returned is the error state error code (i.e. +** is a no-op. The value returned is the error state error code (i.e. ** one of SQLITE_IOERR, an SQLITE_IOERR_xxx sub-code or SQLITE_FULL). ** ** Otherwise, if all of the following are true: ** -** * the new page size (value of *pPageSize) is valid (a power +** * the new page size (value of *pPageSize) is valid (a power ** of two between 512 and SQLITE_MAX_PAGE_SIZE, inclusive), and ** ** * there are no outstanding page references, and @@ -54541,14 +55378,14 @@ SQLITE_PRIVATE void sqlite3PagerSetBusyHandler( ** ** then the pager object page size is set to *pPageSize. ** -** If the page size is changed, then this function uses sqlite3PagerMalloc() -** to obtain a new Pager.pTmpSpace buffer. If this allocation attempt -** fails, SQLITE_NOMEM is returned and the page size remains unchanged. +** If the page size is changed, then this function uses sqlite3PagerMalloc() +** to obtain a new Pager.pTmpSpace buffer. If this allocation attempt +** fails, SQLITE_NOMEM is returned and the page size remains unchanged. ** In all other cases, SQLITE_OK is returned. ** ** If the page size is not changed, either because one of the enumerated ** conditions above is not true, the pager was in error state when this -** function was called, or because the memory allocation attempt failed, +** function was called, or because the memory allocation attempt failed, ** then *pPageSize is set to the old, retained page size before returning. */ SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager *pPager, u32 *pPageSize, int nReserve){ @@ -54558,7 +55395,7 @@ SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager *pPager, u32 *pPageSize, int nR ** function may be called from within PagerOpen(), before the state ** of the Pager object is internally consistent. ** - ** At one point this function returned an error if the pager was in + ** At one point this function returned an error if the pager was in ** PAGER_ERROR state. But since PAGER_ERROR state guarantees that ** there is at least one outstanding page reference, this function ** is a no-op for that case anyhow. @@ -54567,8 +55404,8 @@ SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager *pPager, u32 *pPageSize, int nR u32 pageSize = *pPageSize; assert( pageSize==0 || (pageSize>=512 && pageSize<=SQLITE_MAX_PAGE_SIZE) ); if( (pPager->memDb==0 || pPager->dbSize==0) - && sqlite3PcacheRefCount(pPager->pPCache)==0 - && pageSize && pageSize!=(u32)pPager->pageSize + && sqlite3PcacheRefCount(pPager->pPCache)==0 + && pageSize && pageSize!=(u32)pPager->pageSize ){ char *pNew = NULL; /* New temp space */ i64 nByte = 0; @@ -54606,7 +55443,6 @@ SQLITE_PRIVATE int sqlite3PagerSetPagesize(Pager *pPager, u32 *pPageSize, int nR if( nReserve<0 ) nReserve = pPager->nReserve; assert( nReserve>=0 && nReserve<1000 ); pPager->nReserve = (i16)nReserve; - pagerReportSize(pPager); pagerFixMaplimit(pPager); } return rc; @@ -54625,13 +55461,13 @@ SQLITE_PRIVATE void *sqlite3PagerTempSpace(Pager *pPager){ } /* -** Attempt to set the maximum database page count if mxPage is positive. +** Attempt to set the maximum database page count if mxPage is positive. ** Make no changes if mxPage is zero or negative. And never reduce the ** maximum page count below the current size of the database. ** ** Regardless of mxPage, return the current maximum page count. */ -SQLITE_PRIVATE int sqlite3PagerMaxPageCount(Pager *pPager, int mxPage){ +SQLITE_PRIVATE Pgno sqlite3PagerMaxPageCount(Pager *pPager, Pgno mxPage){ if( mxPage>0 ){ pPager->mxPgno = mxPage; } @@ -54669,11 +55505,11 @@ void enable_simulated_io_errors(void){ /* ** Read the first N bytes from the beginning of the file into memory -** that pDest points to. +** that pDest points to. ** ** If the pager was opened on a transient file (zFilename==""), or ** opened on a file less than N bytes in size, the output buffer is -** zeroed and SQLITE_OK returned. The rationale for this is that this +** zeroed and SQLITE_OK returned. The rationale for this is that this ** function is used to read database headers, and a new transient or ** zero sized database has a header than consists entirely of zeroes. ** @@ -54706,7 +55542,7 @@ SQLITE_PRIVATE int sqlite3PagerReadFileheader(Pager *pPager, int N, unsigned cha ** This function may only be called when a read-transaction is open on ** the pager. It returns the total number of pages in the database. ** -** However, if the file is between 1 and <page-size> bytes in size, then +** However, if the file is between 1 and <page-size> bytes in size, then ** this is considered a 1 page file. */ SQLITE_PRIVATE void sqlite3PagerPagecount(Pager *pPager, int *pnPage){ @@ -54721,19 +55557,19 @@ SQLITE_PRIVATE void sqlite3PagerPagecount(Pager *pPager, int *pnPage){ ** a similar or greater lock is already held, this function is a no-op ** (returning SQLITE_OK immediately). ** -** Otherwise, attempt to obtain the lock using sqlite3OsLock(). Invoke -** the busy callback if the lock is currently not available. Repeat -** until the busy callback returns false or until the attempt to +** Otherwise, attempt to obtain the lock using sqlite3OsLock(). Invoke +** the busy callback if the lock is currently not available. Repeat +** until the busy callback returns false or until the attempt to ** obtain the lock succeeds. ** ** Return SQLITE_OK on success and an error code if we cannot obtain -** the lock. If the lock is obtained successfully, set the Pager.state +** the lock. If the lock is obtained successfully, set the Pager.state ** variable to locktype before returning. */ static int pager_wait_on_lock(Pager *pPager, int locktype){ int rc; /* Return code */ - /* Check that this is either a no-op (because the requested lock is + /* Check that this is either a no-op (because the requested lock is ** already held), or one of the transitions that the busy-handler ** may be invoked during, according to the comment above ** sqlite3PagerSetBusyhandler(). @@ -54750,10 +55586,10 @@ static int pager_wait_on_lock(Pager *pPager, int locktype){ } /* -** Function assertTruncateConstraint(pPager) checks that one of the +** Function assertTruncateConstraint(pPager) checks that one of the ** following is true for all dirty pages currently in the page-cache: ** -** a) The page number is less than or equal to the size of the +** a) The page number is less than or equal to the size of the ** current database image, in pages, OR ** ** b) if the page content were written at this time, it would not @@ -54766,9 +55602,9 @@ static int pager_wait_on_lock(Pager *pPager, int locktype){ ** the database file. If a savepoint transaction were rolled back after ** this happened, the correct behavior would be to restore the current ** content of the page. However, since this content is not present in either -** the database file or the portion of the rollback journal and +** the database file or the portion of the rollback journal and ** sub-journal rolled back the content could not be restored and the -** database image would become corrupt. It is therefore fortunate that +** database image would become corrupt. It is therefore fortunate that ** this circumstance cannot arise. */ #if defined(SQLITE_DEBUG) @@ -54784,9 +55620,9 @@ static void assertTruncateConstraint(Pager *pPager){ #endif /* -** Truncate the in-memory database file image to nPage pages. This -** function does not actually modify the database file on disk. It -** just sets the internal state of the pager object so that the +** Truncate the in-memory database file image to nPage pages. This +** function does not actually modify the database file on disk. It +** just sets the internal state of the pager object so that the ** truncation will be done when the current transaction is committed. ** ** This function is only called right before committing a transaction. @@ -54801,11 +55637,11 @@ SQLITE_PRIVATE void sqlite3PagerTruncateImage(Pager *pPager, Pgno nPage){ /* At one point the code here called assertTruncateConstraint() to ** ensure that all pages being truncated away by this operation are, - ** if one or more savepoints are open, present in the savepoint + ** if one or more savepoints are open, present in the savepoint ** journal so that they can be restored if the savepoint is rolled ** back. This is no longer necessary as this function is now only - ** called right before committing a transaction. So although the - ** Pager object may still have open savepoints (Pager.nSavepoint!=0), + ** called right before committing a transaction. So although the + ** Pager object may still have open savepoints (Pager.nSavepoint!=0), ** they cannot be rolled back. So the assertTruncateConstraint() call ** is no longer correct. */ } @@ -54817,12 +55653,12 @@ SQLITE_PRIVATE void sqlite3PagerTruncateImage(Pager *pPager, Pgno nPage){ ** size of the journal file so that the pager_playback() routine knows ** that the entire journal file has been synced. ** -** Syncing a hot-journal to disk before attempting to roll it back ensures +** Syncing a hot-journal to disk before attempting to roll it back ensures ** that if a power-failure occurs during the rollback, the process that ** attempts rollback following system recovery sees the same journal ** content as this process. ** -** If everything goes as planned, SQLITE_OK is returned. Otherwise, +** If everything goes as planned, SQLITE_OK is returned. Otherwise, ** an SQLite error code. */ static int pagerSyncHotJournal(Pager *pPager){ @@ -54838,7 +55674,7 @@ static int pagerSyncHotJournal(Pager *pPager){ #if SQLITE_MAX_MMAP_SIZE>0 /* -** Obtain a reference to a memory mapped page object for page number pgno. +** Obtain a reference to a memory mapped page object for page number pgno. ** The new object will use the pointer pData, obtained from xFetch(). ** If successful, set *ppPage to point to the new page reference ** and return SQLITE_OK. Otherwise, return an SQLite error code and set @@ -54854,7 +55690,7 @@ static int pagerAcquireMapPage( PgHdr **ppPage /* OUT: Acquired page object */ ){ PgHdr *p; /* Memory mapped page to return */ - + if( pPager->pMmapFreelist ){ *ppPage = p = pPager->pMmapFreelist; pPager->pMmapFreelist = p->pDirty; @@ -54888,7 +55724,7 @@ static int pagerAcquireMapPage( #endif /* -** Release a reference to page pPg. pPg must have been returned by an +** Release a reference to page pPg. pPg must have been returned by an ** earlier call to pagerAcquireMapPage(). */ static void pagerReleaseMapPage(PgHdr *pPg){ @@ -54948,7 +55784,7 @@ static int databaseIsUnmoved(Pager *pPager){ ** result in a coredump. ** ** This function always succeeds. If a transaction is active an attempt -** is made to roll it back. If an error occurs during the rollback +** is made to roll it back. If an error occurs during the rollback ** a hot journal may be left in the filesystem but no error is returned ** to the caller. */ @@ -54965,7 +55801,7 @@ SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager, sqlite3 *db){ { u8 *a = 0; assert( db || pPager->pWal==0 ); - if( db && 0==(db->flags & SQLITE_NoCkptOnClose) + if( db && 0==(db->flags & SQLITE_NoCkptOnClose) && SQLITE_OK==databaseIsUnmoved(pPager) ){ a = pTmp; @@ -54979,8 +55815,8 @@ SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager, sqlite3 *db){ pager_unlock(pPager); }else{ /* If it is open, sync the journal file before calling UnlockAndRollback. - ** If this is not done, then an unsynced portion of the open journal - ** file may be played back into the database. If a power failure occurs + ** If this is not done, then an unsynced portion of the open journal + ** file may be played back into the database. If a power failure occurs ** while this is happening, the database could become corrupt. ** ** If an error occurs while trying to sync the journal, shift the pager @@ -55002,11 +55838,6 @@ SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager, sqlite3 *db){ sqlite3OsClose(pPager->fd); sqlite3PageFree(pTmp); sqlite3PcacheClose(pPager->pPCache); - -#ifdef SQLITE_HAS_CODEC - if( pPager->xCodecFree ) pPager->xCodecFree(pPager->pCodec); -#endif - assert( !pPager->aSavepoint && !pPager->pInJournal ); assert( !isOpen(pPager->jfd) && !isOpen(pPager->sjfd) ); @@ -55036,7 +55867,7 @@ SQLITE_PRIVATE void sqlite3PagerRef(DbPage *pPg){ ** disk and can be restored in the event of a hot-journal rollback. ** ** If the Pager.noSync flag is set, then this function is a no-op. -** Otherwise, the actions required depend on the journal-mode and the +** Otherwise, the actions required depend on the journal-mode and the ** device characteristics of the file-system, as follows: ** ** * If the journal file is an in-memory journal file, no action need @@ -55048,7 +55879,7 @@ SQLITE_PRIVATE void sqlite3PagerRef(DbPage *pPg){ ** been written following it. If the pager is operating in full-sync ** mode, then the journal file is synced before this field is updated. ** -** * If the device does not support the SEQUENTIAL property, then +** * If the device does not support the SEQUENTIAL property, then ** journal file is synced. ** ** Or, in pseudo-code: @@ -55057,11 +55888,11 @@ SQLITE_PRIVATE void sqlite3PagerRef(DbPage *pPg){ ** if( NOT SAFE_APPEND ){ ** if( <full-sync mode> ) xSync(<journal file>); ** <update nRec field> -** } +** } ** if( NOT SEQUENTIAL ) xSync(<journal file>); ** } ** -** If successful, this routine clears the PGHDR_NEED_SYNC flag of every +** If successful, this routine clears the PGHDR_NEED_SYNC flag of every ** page currently held in memory before returning SQLITE_OK. If an IO ** error is encountered, then the IO error code is returned to the caller. */ @@ -55089,10 +55920,10 @@ static int syncJournal(Pager *pPager, int newHdr){ ** mode, then the journal file may at this point actually be larger ** than Pager.journalOff bytes. If the next thing in the journal ** file happens to be a journal-header (written as part of the - ** previous connection's transaction), and a crash or power-failure - ** occurs after nRec is updated but before this connection writes - ** anything else to the journal file (or commits/rolls back its - ** transaction), then SQLite may become confused when doing the + ** previous connection's transaction), and a crash or power-failure + ** occurs after nRec is updated but before this connection writes + ** anything else to the journal file (or commits/rolls back its + ** transaction), then SQLite may become confused when doing the ** hot-journal rollback following recovery. It may roll back all ** of this connections data, then proceed to rolling back the old, ** out-of-date data that follows it. Database corruption. @@ -55102,7 +55933,7 @@ static int syncJournal(Pager *pPager, int newHdr){ ** byte to the start of it to prevent it from being recognized. ** ** Variable iNextHdrOffset is set to the offset at which this - ** problematic header will occur, if it exists. aMagic is used + ** problematic header will occur, if it exists. aMagic is used ** as a temporary buffer to inspect the first couple of bytes of ** the potential journal header. */ @@ -55129,7 +55960,7 @@ static int syncJournal(Pager *pPager, int newHdr){ ** it as a candidate for rollback. ** ** This is not required if the persistent media supports the - ** SAFE_APPEND property. Because in this case it is not possible + ** SAFE_APPEND property. Because in this case it is not possible ** for garbage data to be appended to the file, the nRec field ** is populated with 0xFFFFFFFF when the journal header is written ** and never needs to be updated. @@ -55149,7 +55980,7 @@ static int syncJournal(Pager *pPager, int newHdr){ if( 0==(iDc&SQLITE_IOCAP_SEQUENTIAL) ){ PAGERTRACE(("SYNC journal of %d\n", PAGERID(pPager))); IOTRACE(("JSYNC %p\n", pPager)) - rc = sqlite3OsSync(pPager->jfd, pPager->syncFlags| + rc = sqlite3OsSync(pPager->jfd, pPager->syncFlags| (pPager->syncFlags==SQLITE_SYNC_FULL?SQLITE_SYNC_DATAONLY:0) ); if( rc!=SQLITE_OK ) return rc; @@ -55166,8 +55997,8 @@ static int syncJournal(Pager *pPager, int newHdr){ } } - /* Unless the pager is in noSync mode, the journal file was just - ** successfully synced. Either way, clear the PGHDR_NEED_SYNC flag on + /* Unless the pager is in noSync mode, the journal file was just + ** successfully synced. Either way, clear the PGHDR_NEED_SYNC flag on ** all pages. */ sqlite3PcacheClearSyncFlags(pPager->pPCache); @@ -55187,9 +56018,9 @@ static int syncJournal(Pager *pPager, int newHdr){ ** is called. Before writing anything to the database file, this lock ** is upgraded to an EXCLUSIVE lock. If the lock cannot be obtained, ** SQLITE_BUSY is returned and no data is written to the database file. -** +** ** If the pager is a temp-file pager and the actual file-system file -** is not yet open, it is created and opened before any data is +** is not yet open, it is created and opened before any data is ** written out. ** ** Once the lock has been upgraded and, if necessary, the file opened, @@ -55204,7 +56035,7 @@ static int syncJournal(Pager *pPager, int newHdr){ ** in Pager.dbFileVers[] is updated to match the new value stored in ** the database file. ** -** If everything is successful, SQLITE_OK is returned. If an IO error +** If everything is successful, SQLITE_OK is returned. If an IO error ** occurs, an IO error code is returned. Or, if the EXCLUSIVE lock cannot ** be obtained, SQLITE_BUSY is returned. */ @@ -55230,7 +56061,7 @@ static int pager_write_pagelist(Pager *pPager, PgHdr *pList){ ** file size will be. */ assert( rc!=SQLITE_OK || isOpen(pPager->fd) ); - if( rc==SQLITE_OK + if( rc==SQLITE_OK && pPager->dbHintSize<pPager->dbSize && (pList->pDirty || pList->pgno>pPager->dbHintSize) ){ @@ -55252,20 +56083,19 @@ static int pager_write_pagelist(Pager *pPager, PgHdr *pList){ */ if( pgno<=pPager->dbSize && 0==(pList->flags&PGHDR_DONT_WRITE) ){ i64 offset = (pgno-1)*(i64)pPager->pageSize; /* Offset to write */ - char *pData; /* Data to write */ + char *pData; /* Data to write */ assert( (pList->flags&PGHDR_NEED_SYNC)==0 ); if( pList->pgno==1 ) pager_write_changecounter(pList); - /* Encode the database */ - CODEC2(pPager, pList->pData, pgno, 6, return SQLITE_NOMEM_BKPT, pData); + pData = pList->pData; /* Write out the page data. */ rc = sqlite3OsWrite(pPager->fd, pData, pPager->pageSize, offset); /* If page 1 was just written, update Pager.dbFileVers to match - ** the value now stored in the database file. If writing this - ** page caused the database file to grow, update dbFileSize. + ** the value now stored in the database file. If writing this + ** page caused the database file to grow, update dbFileSize. */ if( pgno==1 ){ memcpy(&pPager->dbFileVers, &pData[24], sizeof(pPager->dbFileVers)); @@ -55293,18 +56123,18 @@ static int pager_write_pagelist(Pager *pPager, PgHdr *pList){ } /* -** Ensure that the sub-journal file is open. If it is already open, this +** Ensure that the sub-journal file is open. If it is already open, this ** function is a no-op. ** -** SQLITE_OK is returned if everything goes according to plan. An -** SQLITE_IOERR_XXX error code is returned if a call to sqlite3OsOpen() +** SQLITE_OK is returned if everything goes according to plan. An +** SQLITE_IOERR_XXX error code is returned if a call to sqlite3OsOpen() ** fails. */ static int openSubJournal(Pager *pPager){ int rc = SQLITE_OK; if( !isOpen(pPager->sjfd) ){ - const int flags = SQLITE_OPEN_SUBJOURNAL | SQLITE_OPEN_READWRITE - | SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE + const int flags = SQLITE_OPEN_SUBJOURNAL | SQLITE_OPEN_READWRITE + | SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE | SQLITE_OPEN_DELETEONCLOSE; int nStmtSpill = sqlite3Config.nStmtSpill; if( pPager->journalMode==PAGER_JOURNALMODE_MEMORY || pPager->subjInMemory ){ @@ -55316,13 +56146,13 @@ static int openSubJournal(Pager *pPager){ } /* -** Append a record of the current state of page pPg to the sub-journal. +** Append a record of the current state of page pPg to the sub-journal. ** ** If successful, set the bit corresponding to pPg->pgno in the bitvecs ** for all open savepoints before returning. ** ** This function returns SQLITE_OK if everything is successful, an IO -** error code if the attempt to write to the sub-journal fails, or +** error code if the attempt to write to the sub-journal fails, or ** SQLITE_NOMEM if a malloc fails while setting a bit in a savepoint ** bitvec. */ @@ -55335,9 +56165,9 @@ static int subjournalPage(PgHdr *pPg){ assert( pPager->useJournal ); assert( isOpen(pPager->jfd) || pagerUseWal(pPager) ); assert( isOpen(pPager->sjfd) || pPager->nSubRec==0 ); - assert( pagerUseWal(pPager) - || pageInJournal(pPager, pPg) - || pPg->pgno>pPager->dbOrigSize + assert( pagerUseWal(pPager) + || pageInJournal(pPager, pPg) + || pPg->pgno>pPager->dbOrigSize ); rc = openSubJournal(pPager); @@ -55347,12 +56177,6 @@ static int subjournalPage(PgHdr *pPg){ void *pData = pPg->pData; i64 offset = (i64)pPager->nSubRec*(4+pPager->pageSize); char *pData2; - -#if SQLITE_HAS_CODEC - if( !pPager->subjInMemory ){ - CODEC2(pPager, pData, pPg->pgno, 7, return SQLITE_NOMEM_BKPT, pData2); - }else -#endif pData2 = pData; PAGERTRACE(("STMT-JOURNAL %d page %d\n", PAGERID(pPager), pPg->pgno)); rc = write32bits(pPager->sjfd, offset, pPg->pgno); @@ -55380,14 +56204,14 @@ static int subjournalPageIfRequired(PgHdr *pPg){ ** This function is called by the pcache layer when it has reached some ** soft memory limit. The first argument is a pointer to a Pager object ** (cast as a void*). The pager is always 'purgeable' (not an in-memory -** database). The second argument is a reference to a page that is +** database). The second argument is a reference to a page that is ** currently dirty but has no outstanding references. The page -** is always associated with the Pager object passed as the first +** is always associated with the Pager object passed as the first ** argument. ** ** The job of this function is to make pPg clean by writing its contents ** out to the database file, if possible. This may involve syncing the -** journal file. +** journal file. ** ** If successful, sqlite3PcacheMakeClean() is called on the page and ** SQLITE_OK returned. If an IO error occurs while trying to make the @@ -55412,7 +56236,7 @@ static int pagerStress(void *p, PgHdr *pPg){ ** a rollback or by user request, respectively. ** ** Spilling is also prohibited when in an error state since that could - ** lead to database corruption. In the current implementation it + ** lead to database corruption. In the current implementation it ** is impossible for sqlite3PcacheFetch() to be called with createFlag==3 ** while in the error state, hence it is impossible for this routine to ** be called in the error state. Nevertheless, we include a NEVER() @@ -55433,26 +56257,26 @@ static int pagerStress(void *p, PgHdr *pPg){ pPg->pDirty = 0; if( pagerUseWal(pPager) ){ /* Write a single frame for this page to the log. */ - rc = subjournalPageIfRequired(pPg); + rc = subjournalPageIfRequired(pPg); if( rc==SQLITE_OK ){ rc = pagerWalFrames(pPager, pPg, 0, 0); } }else{ - + #ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE if( pPager->tempFile==0 ){ rc = sqlite3JournalCreate(pPager->jfd); if( rc!=SQLITE_OK ) return pager_error(pPager, rc); } #endif - + /* Sync the journal file if required. */ - if( pPg->flags&PGHDR_NEED_SYNC + if( pPg->flags&PGHDR_NEED_SYNC || pPager->eState==PAGER_WRITER_CACHEMOD ){ rc = syncJournal(pPager, 1); } - + /* Write the contents of the page out to the database file. */ if( rc==SQLITE_OK ){ assert( (pPg->flags&PGHDR_NEED_SYNC)==0 ); @@ -55466,7 +56290,7 @@ static int pagerStress(void *p, PgHdr *pPg){ sqlite3PcacheMakeClean(pPg); } - return pager_error(pPager, rc); + return pager_error(pPager, rc); } /* @@ -55497,8 +56321,8 @@ SQLITE_PRIVATE int sqlite3PagerFlush(Pager *pPager){ ** The zFilename argument is the path to the database file to open. ** If zFilename is NULL then a randomly-named temporary file is created ** and used as the file to be cached. Temporary files are be deleted -** automatically when they are closed. If zFilename is ":memory:" then -** all information is held in cache. It is never written to disk. +** automatically when they are closed. If zFilename is ":memory:" then +** all information is held in cache. It is never written to disk. ** This can be used to implement an in-memory database. ** ** The nExtra parameter specifies the number of bytes of space allocated @@ -55512,13 +56336,13 @@ SQLITE_PRIVATE int sqlite3PagerFlush(Pager *pPager){ ** of the PAGER_* flags. ** ** The vfsFlags parameter is a bitmask to pass to the flags parameter -** of the xOpen() method of the supplied VFS when opening files. +** of the xOpen() method of the supplied VFS when opening files. ** -** If the pager object is allocated and the specified file opened +** If the pager object is allocated and the specified file opened ** successfully, SQLITE_OK is returned and *ppPager set to point to ** the new pager object. If an error occurs, *ppPager is set to NULL ** and error code returned. This function may return SQLITE_NOMEM -** (sqlite3Malloc() is used to allocate memory), SQLITE_CANTOPEN or +** (sqlite3Malloc() is used to allocate memory), SQLITE_CANTOPEN or ** various SQLITE_IO_XXX errors. */ SQLITE_PRIVATE int sqlite3PagerOpen( @@ -55548,7 +56372,8 @@ SQLITE_PRIVATE int sqlite3PagerOpen( int pcacheSize = sqlite3PcacheSize(); /* Bytes to allocate for PCache */ u32 szPageDflt = SQLITE_DEFAULT_PAGE_SIZE; /* Default page size */ const char *zUri = 0; /* URI args to copy */ - int nUri = 0; /* Number of bytes of URI args at *zUri */ + int nUriByte = 1; /* Number of bytes of URI args at *zUri */ + int nUri = 0; /* Number of URI parameters */ /* Figure out how much space is required for each journal file-handle ** (there are two of them, the main journal and the sub-journal). */ @@ -55582,14 +56407,24 @@ SQLITE_PRIVATE int sqlite3PagerOpen( } zPathname[0] = 0; /* Make sure initialized even if FullPathname() fails */ rc = sqlite3OsFullPathname(pVfs, zFilename, nPathname, zPathname); + if( rc!=SQLITE_OK ){ + if( rc==SQLITE_OK_SYMLINK ){ + if( vfsFlags & SQLITE_OPEN_NOFOLLOW ){ + rc = SQLITE_CANTOPEN_SYMLINK; + }else{ + rc = SQLITE_OK; + } + } + } nPathname = sqlite3Strlen30(zPathname); z = zUri = &zFilename[sqlite3Strlen30(zFilename)+1]; while( *z ){ - z += sqlite3Strlen30(z)+1; - z += sqlite3Strlen30(z)+1; + z += strlen(z)+1; + z += strlen(z)+1; + nUri++; } - nUri = (int)(&z[1] - zUri); - assert( nUri>=0 ); + nUriByte = (int)(&z[1] - zUri); + assert( nUriByte>=1 ); if( rc==SQLITE_OK && nPathname+8>pVfs->mxPathname ){ /* This branch is taken when the journal path required by ** the database being opened will be more than pVfs->mxPathname @@ -55606,7 +56441,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( } /* Allocate memory for the Pager structure, PCache object, the - ** three file descriptors, the database file name and the journal + ** three file descriptors, the database file name and the journal ** file name. The layout in memory is as follows: ** ** Pager object (sizeof(Pager) bytes) @@ -55614,50 +56449,111 @@ SQLITE_PRIVATE int sqlite3PagerOpen( ** Database file handle (pVfs->szOsFile bytes) ** Sub-journal file handle (journalFileSize bytes) ** Main journal file handle (journalFileSize bytes) + ** Ptr back to the Pager (sizeof(Pager*) bytes) + ** \0\0\0\0 database prefix (4 bytes) ** Database file name (nPathname+1 bytes) - ** Journal file name (nPathname+8+1 bytes) + ** URI query parameters (nUriByte bytes) + ** Journal filename (nPathname+8+1 bytes) + ** WAL filename (nPathname+4+1 bytes) + ** \0\0\0 terminator (3 bytes) + ** + ** Some 3rd-party software, over which we have no control, depends on + ** the specific order of the filenames and the \0 separators between them + ** so that it can (for example) find the database filename given the WAL + ** filename without using the sqlite3_filename_database() API. This is a + ** misuse of SQLite and a bug in the 3rd-party software, but the 3rd-party + ** software is in widespread use, so we try to avoid changing the filename + ** order and formatting if possible. In particular, the details of the + ** filename format expected by 3rd-party software should be as follows: + ** + ** - Main Database Path + ** - \0 + ** - Multiple URI components consisting of: + ** - Key + ** - \0 + ** - Value + ** - \0 + ** - \0 + ** - Journal Path + ** - \0 + ** - WAL Path (zWALName) + ** - \0 + ** + ** The sqlite3_create_filename() interface and the databaseFilename() utility + ** that is used by sqlite3_filename_database() and kin also depend on the + ** specific formatting and order of the various filenames, so if the format + ** changes here, be sure to change it there as well. */ pPtr = (u8 *)sqlite3MallocZero( - ROUND8(sizeof(*pPager)) + /* Pager structure */ - ROUND8(pcacheSize) + /* PCache object */ - ROUND8(pVfs->szOsFile) + /* The main db file */ - journalFileSize * 2 + /* The two journal files */ - nPathname + 1 + nUri + /* zFilename */ - nPathname + 8 + 2 /* zJournal */ + ROUND8(sizeof(*pPager)) + /* Pager structure */ + ROUND8(pcacheSize) + /* PCache object */ + ROUND8(pVfs->szOsFile) + /* The main db file */ + journalFileSize * 2 + /* The two journal files */ + sizeof(pPager) + /* Space to hold a pointer */ + 4 + /* Database prefix */ + nPathname + 1 + /* database filename */ + nUriByte + /* query parameters */ + nPathname + 8 + 1 + /* Journal filename */ #ifndef SQLITE_OMIT_WAL - + nPathname + 4 + 2 /* zWal */ + nPathname + 4 + 1 + /* WAL filename */ #endif + 3 /* Terminator */ ); assert( EIGHT_BYTE_ALIGNMENT(SQLITE_INT_TO_PTR(journalFileSize)) ); if( !pPtr ){ sqlite3DbFree(0, zPathname); return SQLITE_NOMEM_BKPT; } - pPager = (Pager*)(pPtr); - pPager->pPCache = (PCache*)(pPtr += ROUND8(sizeof(*pPager))); - pPager->fd = (sqlite3_file*)(pPtr += ROUND8(pcacheSize)); - pPager->sjfd = (sqlite3_file*)(pPtr += ROUND8(pVfs->szOsFile)); - pPager->jfd = (sqlite3_file*)(pPtr += journalFileSize); - pPager->zFilename = (char*)(pPtr += journalFileSize); + pPager = (Pager*)pPtr; pPtr += ROUND8(sizeof(*pPager)); + pPager->pPCache = (PCache*)pPtr; pPtr += ROUND8(pcacheSize); + pPager->fd = (sqlite3_file*)pPtr; pPtr += ROUND8(pVfs->szOsFile); + pPager->sjfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; + pPager->jfd = (sqlite3_file*)pPtr; pPtr += journalFileSize; assert( EIGHT_BYTE_ALIGNMENT(pPager->jfd) ); + memcpy(pPtr, &pPager, sizeof(pPager)); pPtr += sizeof(pPager); + + /* Fill in the Pager.zFilename and pPager.zQueryParam fields */ + pPtr += 4; /* Skip zero prefix */ + pPager->zFilename = (char*)pPtr; + if( nPathname>0 ){ + memcpy(pPtr, zPathname, nPathname); pPtr += nPathname + 1; + if( zUri ){ + memcpy(pPtr, zUri, nUriByte); pPtr += nUriByte; + }else{ + pPtr++; + } + } + + + /* Fill in Pager.zJournal */ + if( nPathname>0 ){ + pPager->zJournal = (char*)pPtr; + memcpy(pPtr, zPathname, nPathname); pPtr += nPathname; + memcpy(pPtr, "-journal",8); pPtr += 8 + 1; +#ifdef SQLITE_ENABLE_8_3_NAMES + sqlite3FileSuffix3(zFilename,pPager->zJournal); + pPtr = (u8*)(pPager->zJournal + sqlite3Strlen30(pPager->zJournal)+1); +#endif + }else{ + pPager->zJournal = 0; + } - /* Fill in the Pager.zFilename and Pager.zJournal buffers, if required. */ - if( zPathname ){ - assert( nPathname>0 ); - pPager->zJournal = (char*)(pPtr += nPathname + 1 + nUri); - memcpy(pPager->zFilename, zPathname, nPathname); - if( nUri ) memcpy(&pPager->zFilename[nPathname+1], zUri, nUri); - memcpy(pPager->zJournal, zPathname, nPathname); - memcpy(&pPager->zJournal[nPathname], "-journal\000", 8+2); - sqlite3FileSuffix3(pPager->zFilename, pPager->zJournal); #ifndef SQLITE_OMIT_WAL - pPager->zWal = &pPager->zJournal[nPathname+8+1]; - memcpy(pPager->zWal, zPathname, nPathname); - memcpy(&pPager->zWal[nPathname], "-wal\000", 4+1); - sqlite3FileSuffix3(pPager->zFilename, pPager->zWal); + /* Fill in Pager.zWal */ + if( nPathname>0 ){ + pPager->zWal = (char*)pPtr; + memcpy(pPtr, zPathname, nPathname); pPtr += nPathname; + memcpy(pPtr, "-wal", 4); pPtr += 4 + 1; +#ifdef SQLITE_ENABLE_8_3_NAMES + sqlite3FileSuffix3(zFilename, pPager->zWal); + pPtr = (u8*)(pPager->zWal + sqlite3Strlen30(pPager->zWal)+1); #endif - sqlite3DbFree(0, zPathname); + }else{ + pPager->zWal = 0; } +#endif + + if( nPathname ) sqlite3DbFree(0, zPathname); pPager->pVfs = pVfs; pPager->vfsFlags = vfsFlags; @@ -55706,9 +56602,9 @@ SQLITE_PRIVATE int sqlite3PagerOpen( } #endif } - pPager->noLock = sqlite3_uri_boolean(zFilename, "nolock", 0); + pPager->noLock = sqlite3_uri_boolean(pPager->zFilename, "nolock", 0); if( (iDc & SQLITE_IOCAP_IMMUTABLE)!=0 - || sqlite3_uri_boolean(zFilename, "immutable", 0) ){ + || sqlite3_uri_boolean(pPager->zFilename, "immutable", 0) ){ vfsFlags |= SQLITE_OPEN_READONLY; goto act_like_temp_file; } @@ -55723,7 +56619,7 @@ SQLITE_PRIVATE int sqlite3PagerOpen( ** disk and uses an in-memory rollback journal. ** ** This branch also runs for files marked as immutable. - */ + */ act_like_temp_file: tempFile = 1; pPager->eState = PAGER_READER; /* Pretend we already have a lock */ @@ -55732,7 +56628,7 @@ act_like_temp_file: readOnly = (vfsFlags&SQLITE_OPEN_READONLY); } - /* The following call to PagerSetPagesize() serves to set the value of + /* The following call to PagerSetPagesize() serves to set the value of ** Pager.pageSize and to allocate the Pager.pTmpSpace buffer. */ if( rc==SQLITE_OK ){ @@ -55772,10 +56668,10 @@ act_like_temp_file: /* pPager->state = PAGER_UNLOCK; */ /* pPager->errMask = 0; */ pPager->tempFile = (u8)tempFile; - assert( tempFile==PAGER_LOCKINGMODE_NORMAL + assert( tempFile==PAGER_LOCKINGMODE_NORMAL || tempFile==PAGER_LOCKINGMODE_EXCLUSIVE ); assert( PAGER_LOCKINGMODE_EXCLUSIVE==1 ); - pPager->exclusiveMode = (u8)tempFile; + pPager->exclusiveMode = (u8)tempFile; pPager->changeCountDone = pPager->tempFile; pPager->memDb = (u8)memDb; pPager->readOnly = (u8)readOnly; @@ -55815,12 +56711,25 @@ act_like_temp_file: return SQLITE_OK; } +/* +** Return the sqlite3_file for the main database given the name +** of the corresonding WAL or Journal name as passed into +** xOpen. +*/ +SQLITE_API sqlite3_file *sqlite3_database_file_object(const char *zName){ + Pager *pPager; + while( zName[-1]!=0 || zName[-2]!=0 || zName[-3]!=0 || zName[-4]!=0 ){ + zName--; + } + pPager = *(Pager**)(zName - 4 - sizeof(Pager*)); + return pPager->fd; +} /* ** This function is called after transitioning from PAGER_UNLOCK to ** PAGER_SHARED state. It tests if there is a hot journal present in -** the file-system for the given pager. A hot journal is one that +** the file-system for the given pager. A hot journal is one that ** needs to be played back. According to this function, a hot-journal ** file exists if the following criteria are met: ** @@ -55835,14 +56744,14 @@ act_like_temp_file: ** just deleted using OsDelete, *pExists is set to 0 and SQLITE_OK ** is returned. ** -** This routine does not check if there is a master journal filename -** at the end of the file. If there is, and that master journal file +** This routine does not check if there is a super-journal filename +** at the end of the file. If there is, and that super-journal file ** does not exist, then the journal file is not really hot. In this ** case this routine will return a false-positive. The pager_playback() -** routine will discover that the journal file is not really hot and -** will not roll it back. +** routine will discover that the journal file is not really hot and +** will not roll it back. ** -** If a hot-journal file is found to exist, *pExists is set to 1 and +** If a hot-journal file is found to exist, *pExists is set to 1 and ** SQLITE_OK returned. If no hot-journal file is present, *pExists is ** set to 0 and SQLITE_OK returned. If an IO error occurs while trying ** to determine whether or not a hot-journal file exists, the IO error @@ -55870,7 +56779,7 @@ static int hasHotJournal(Pager *pPager, int *pExists){ int locked = 0; /* True if some process holds a RESERVED lock */ /* Race condition here: Another process might have been holding the - ** the RESERVED lock and have a journal open at the sqlite3OsAccess() + ** the RESERVED lock and have a journal open at the sqlite3OsAccess() ** call above, but then delete the journal and drop the lock before ** we get to the following sqlite3OsCheckReservedLock() call. If that ** is the case, this routine might think there is a hot journal when @@ -55903,7 +56812,7 @@ static int hasHotJournal(Pager *pPager, int *pExists){ /* The journal file exists and no other connection has a reserved ** or greater lock on the database file. Now check that there is ** at least one non-zero bytes at the start of the journal file. - ** If there is, then we consider this journal to be hot. If not, + ** If there is, then we consider this journal to be hot. If not, ** it can be ignored. */ if( !jrnlOpen ){ @@ -55953,7 +56862,7 @@ static int hasHotJournal(Pager *pPager, int *pExists){ ** on the database file), then an attempt is made to obtain a ** SHARED lock on the database file. Immediately after obtaining ** the SHARED lock, the file-system is checked for a hot-journal, -** which is played back if present. Following any hot-journal +** which is played back if present. Following any hot-journal ** rollback, the contents of the cache are validated by checking ** the 'change-counter' field of the database file header and ** discarded if they are found to be invalid. @@ -55964,8 +56873,8 @@ static int hasHotJournal(Pager *pPager, int *pExists){ ** the contents of the page cache and rolling back any open journal ** file. ** -** If everything is successful, SQLITE_OK is returned. If an IO error -** occurs while locking the database, checking for a hot-journal file or +** If everything is successful, SQLITE_OK is returned. If an IO error +** occurs while locking the database, checking for a hot-journal file or ** rolling back a journal file, the IO error code is returned. */ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ @@ -55973,7 +56882,7 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ /* This routine is only called from b-tree and only when there are no ** outstanding pages. This implies that the pager state should either - ** be OPEN or READER. READER is only possible if the pager is or was in + ** be OPEN or READER. READER is only possible if the pager is or was in ** exclusive access mode. */ assert( sqlite3PcacheRefCount(pPager->pPCache)==0 ); assert( assert_pager_state(pPager) ); @@ -56011,12 +56920,12 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ ** important that a RESERVED lock is not obtained on the way to the ** EXCLUSIVE lock. If it were, another process might open the ** database file, detect the RESERVED lock, and conclude that the - ** database is safe to read while this process is still rolling the + ** database is safe to read while this process is still rolling the ** hot-journal back. - ** + ** ** Because the intermediate RESERVED lock is not requested, any - ** other process attempting to access the database file will get to - ** this point in the code and fail to obtain its own EXCLUSIVE lock + ** other process attempting to access the database file will get to + ** this point in the code and fail to obtain its own EXCLUSIVE lock ** on the database file. ** ** Unless the pager is in locking_mode=exclusive mode, the lock is @@ -56026,17 +56935,17 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ if( rc!=SQLITE_OK ){ goto failed; } - - /* If it is not already open and the file exists on disk, open the - ** journal for read/write access. Write access is required because - ** in exclusive-access mode the file descriptor will be kept open - ** and possibly used for a transaction later on. Also, write-access - ** is usually required to finalize the journal in journal_mode=persist + + /* If it is not already open and the file exists on disk, open the + ** journal for read/write access. Write access is required because + ** in exclusive-access mode the file descriptor will be kept open + ** and possibly used for a transaction later on. Also, write-access + ** is usually required to finalize the journal in journal_mode=persist ** mode (and also for journal_mode=truncate on some systems). ** - ** If the journal does not exist, it usually means that some - ** other connection managed to get in and roll it back before - ** this connection obtained the exclusive lock above. Or, it + ** If the journal does not exist, it usually means that some + ** other connection managed to get in and roll it back before + ** this connection obtained the exclusive lock above. Or, it ** may mean that the pager was in the error-state when this ** function was called and the journal file does not exist. */ @@ -56057,7 +56966,7 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ } } } - + /* Playback and delete the journal. Drop the database write ** lock and reacquire the read lock. Purge the cache before ** playing back the hot-journal so that we don't end up with @@ -56082,8 +56991,8 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ ** or roll back a hot-journal while holding an EXCLUSIVE lock. The ** pager_unlock() routine will be called before returning to unlock ** the file. If the unlock attempt fails, then Pager.eLock must be - ** set to UNKNOWN_LOCK (see the comment above the #define for - ** UNKNOWN_LOCK above for an explanation). + ** set to UNKNOWN_LOCK (see the comment above the #define for + ** UNKNOWN_LOCK above for an explanation). ** ** In order to get pager_unlock() to do this, set Pager.eState to ** PAGER_ERROR now. This is not actually counted as a transition @@ -56091,7 +57000,7 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ ** since we know that the same call to pager_unlock() will very ** shortly transition the pager object to the OPEN state. Calling ** assert_pager_state() would fail now, as it should not be possible - ** to be in ERROR state when there are zero outstanding page + ** to be in ERROR state when there are zero outstanding page ** references. */ pager_error(pPager, rc); @@ -56116,8 +57025,8 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ ** a 32-bit counter that is incremented with each change. The ** other bytes change randomly with each file change when ** a codec is in use. - ** - ** There is a vanishingly small chance that a change will not be + ** + ** There is a vanishingly small chance that a change will not be ** detected. The chance of an undetected change is so small that ** it can be neglected. */ @@ -56184,7 +57093,7 @@ SQLITE_PRIVATE int sqlite3PagerSharedLock(Pager *pPager){ ** Except, in locking_mode=EXCLUSIVE when there is nothing to in ** the rollback journal, the unlock is not performed and there is ** nothing to rollback, so this routine is a no-op. -*/ +*/ static void pagerUnlockIfUnused(Pager *pPager){ if( sqlite3PcacheRefCount(pPager->pPCache)==0 ){ assert( pPager->nMmapOut==0 ); /* because page1 is never memory mapped */ @@ -56194,7 +57103,7 @@ static void pagerUnlockIfUnused(Pager *pPager){ /* ** The page getter methods each try to acquire a reference to a -** page with page number pgno. If the requested reference is +** page with page number pgno. If the requested reference is ** successfully obtained, it is copied to *ppPage and SQLITE_OK returned. ** ** There are different implementations of the getter method depending @@ -56204,22 +57113,22 @@ static void pagerUnlockIfUnused(Pager *pPager){ ** getPageError() -- Used if the pager is in an error state ** getPageMmap() -- Used if memory-mapped I/O is enabled ** -** If the requested page is already in the cache, it is returned. +** If the requested page is already in the cache, it is returned. ** Otherwise, a new page object is allocated and populated with data ** read from the database file. In some cases, the pcache module may ** choose not to allocate a new page object and may reuse an existing ** object with no outstanding references. ** -** The extra data appended to a page is always initialized to zeros the -** first time a page is loaded into memory. If the page requested is +** The extra data appended to a page is always initialized to zeros the +** first time a page is loaded into memory. If the page requested is ** already in the cache when this function is called, then the extra ** data is left as it was when the page object was last used. ** -** If the database image is smaller than the requested page or if -** the flags parameter contains the PAGER_GET_NOCONTENT bit and the -** requested page is not already stored in the cache, then no -** actual disk read occurs. In this case the memory image of the -** page is initialized to all zeros. +** If the database image is smaller than the requested page or if +** the flags parameter contains the PAGER_GET_NOCONTENT bit and the +** requested page is not already stored in the cache, then no +** actual disk read occurs. In this case the memory image of the +** page is initialized to all zeros. ** ** If PAGER_GET_NOCONTENT is true, it means that we do not care about ** the contents of the page. This occurs in two scenarios: @@ -56285,18 +57194,18 @@ static int getPageNormal( if( pPg->pPager && !noContent ){ /* In this case the pcache already contains an initialized copy of ** the page. Return without further ado. */ - assert( pgno<=PAGER_MAX_PGNO && pgno!=PAGER_MJ_PGNO(pPager) ); + assert( pgno!=PAGER_MJ_PGNO(pPager) ); pPager->aStat[PAGER_STAT_HIT]++; return SQLITE_OK; }else{ - /* The pager cache has created a new page. Its content needs to + /* The pager cache has created a new page. Its content needs to ** be initialized. But first some error checks: ** - ** (1) The maximum page number is 2^31 + ** (*) obsolete. Was: maximum page number is 2^31 ** (2) Never try to fetch the locking page */ - if( pgno>PAGER_MAX_PGNO || pgno==PAGER_MJ_PGNO(pPager) ){ + if( pgno==PAGER_MJ_PGNO(pPager) ){ rc = SQLITE_CORRUPT_BKPT; goto pager_acquire_err; } @@ -56311,9 +57220,9 @@ static int getPageNormal( } if( noContent ){ /* Failure to set the bits in the InJournal bit-vectors is benign. - ** It merely means that we might do some extra work to journal a - ** page that does not need to be journaled. Nevertheless, be sure - ** to test the case where a malloc error occurs while trying to set + ** It merely means that we might do some extra work to journal a + ** page that does not need to be journaled. Nevertheless, be sure + ** to test the case where a malloc error occurs while trying to set ** a bit in a bit vector. */ sqlite3BeginBenignMalloc(); @@ -56363,16 +57272,13 @@ static int getPageMMap( /* It is acceptable to use a read-only (mmap) page for any page except ** page 1 if there is no write-transaction open or the ACQUIRE_READONLY - ** flag was specified by the caller. And so long as the db is not a + ** flag was specified by the caller. And so long as the db is not a ** temporary or in-memory database. */ const int bMmapOk = (pgno>1 && (pPager->eState==PAGER_READER || (flags & PAGER_GET_READONLY)) ); assert( USEFETCH(pPager) ); -#ifdef SQLITE_HAS_CODEC - assert( pPager->xCodec==0 ); -#endif /* Optimization note: Adding the "pgno<=1" term before "pgno==0" here ** allows the compiler optimizer to reuse the results of the "pgno>1" @@ -56395,7 +57301,7 @@ static int getPageMMap( } if( bMmapOk && iFrame==0 ){ void *pData = 0; - rc = sqlite3OsFetch(pPager->fd, + rc = sqlite3OsFetch(pPager->fd, (i64)(pgno-1) * pPager->pageSize, pPager->pageSize, &pData ); if( rc==SQLITE_OK && pData ){ @@ -56451,12 +57357,12 @@ SQLITE_PRIVATE int sqlite3PagerGet( /* ** Acquire a page if it is already in the in-memory cache. Do ** not read the page from disk. Return a pointer to the page, -** or 0 if the page is not in cache. +** or 0 if the page is not in cache. ** ** See also sqlite3PagerGet(). The difference between this routine ** and sqlite3PagerGet() is that _get() will go to the disk and read ** in the page if the page is not already in cache. This routine -** returns NULL if the page is not in cache or if a disk I/O error +** returns NULL if the page is not in cache or if a disk I/O error ** has ever happened. */ SQLITE_PRIVATE DbPage *sqlite3PagerLookup(Pager *pPager, Pgno pgno){ @@ -56503,31 +57409,30 @@ SQLITE_PRIVATE void sqlite3PagerUnrefPageOne(DbPage *pPg){ assert( pPg->pgno==1 ); assert( (pPg->flags & PGHDR_MMAP)==0 ); /* Page1 is never memory mapped */ pPager = pPg->pPager; - sqlite3PagerResetLockTimeout(pPager); sqlite3PcacheRelease(pPg); pagerUnlockIfUnused(pPager); } /* ** This function is called at the start of every write transaction. -** There must already be a RESERVED or EXCLUSIVE lock on the database +** There must already be a RESERVED or EXCLUSIVE lock on the database ** file when this routine is called. ** ** Open the journal file for pager pPager and write a journal header ** to the start of it. If there are active savepoints, open the sub-journal -** as well. This function is only used when the journal file is being -** opened to write a rollback log for a transaction. It is not used +** as well. This function is only used when the journal file is being +** opened to write a rollback log for a transaction. It is not used ** when opening a hot journal file to roll it back. ** ** If the journal file is already open (as it may be in exclusive mode), ** then this function just writes a journal header to the start of the -** already open file. +** already open file. ** ** Whether or not the journal file is opened by this function, the ** Pager.pInJournal bitvec structure is allocated. ** -** Return SQLITE_OK if everything is successful. Otherwise, return -** SQLITE_NOMEM if the attempt to allocate Pager.pInJournal fails, or +** Return SQLITE_OK if everything is successful. Otherwise, return +** SQLITE_NOMEM if the attempt to allocate Pager.pInJournal fails, or ** an IO error code if opening or writing the journal file fails. */ static int pager_open_journal(Pager *pPager){ @@ -56537,7 +57442,7 @@ static int pager_open_journal(Pager *pPager){ assert( pPager->eState==PAGER_WRITER_LOCKED ); assert( assert_pager_state(pPager) ); assert( pPager->pInJournal==0 ); - + /* If already in the error state, this function is a no-op. But on ** the other hand, this routine is never called if we are already in ** an error state. */ @@ -56548,7 +57453,7 @@ static int pager_open_journal(Pager *pPager){ if( pPager->pInJournal==0 ){ return SQLITE_NOMEM_BKPT; } - + /* Open the journal file if it is not already open. */ if( !isOpen(pPager->jfd) ){ if( pPager->journalMode==PAGER_JOURNALMODE_MEMORY ){ @@ -56564,7 +57469,7 @@ static int pager_open_journal(Pager *pPager){ flags |= SQLITE_OPEN_MAIN_JOURNAL; nSpill = jrnlBufferSize(pPager); } - + /* Verify that the database still has the same name as it did when ** it was originally opened. */ rc = databaseIsUnmoved(pPager); @@ -56576,16 +57481,16 @@ static int pager_open_journal(Pager *pPager){ } assert( rc!=SQLITE_OK || isOpen(pPager->jfd) ); } - - - /* Write the first journal header to the journal file and open + + + /* Write the first journal header to the journal file and open ** the sub-journal if necessary. */ if( rc==SQLITE_OK ){ /* TODO: Check if all of these are really required. */ pPager->nRec = 0; pPager->journalOff = 0; - pPager->setMaster = 0; + pPager->setSuper = 0; pPager->journalHdr = 0; rc = writeJournalHdr(pPager); } @@ -56603,12 +57508,12 @@ static int pager_open_journal(Pager *pPager){ } /* -** Begin a write-transaction on the specified pager object. If a +** Begin a write-transaction on the specified pager object. If a ** write-transaction has already been opened, this function is a no-op. ** ** If the exFlag argument is false, then acquire at least a RESERVED ** lock on the database file. If exFlag is true, then acquire at least -** an EXCLUSIVE lock. If such a lock is already held, no locking +** an EXCLUSIVE lock. If such a lock is already held, no locking ** functions need be called. ** ** If the subjInMemory argument is non-zero, then any sub-journal opened @@ -56616,7 +57521,7 @@ static int pager_open_journal(Pager *pPager){ ** has no effect if the sub-journal is already opened (as it may be when ** running in exclusive mode) or if the transaction does not require a ** sub-journal. If the subjInMemory argument is zero, then any required -** sub-journal is implemented in-memory if pPager is an in-memory database, +** sub-journal is implemented in-memory if pPager is an in-memory database, ** or using a temporary file otherwise. */ SQLITE_PRIVATE int sqlite3PagerBegin(Pager *pPager, int exFlag, int subjInMemory){ @@ -56664,9 +57569,9 @@ SQLITE_PRIVATE int sqlite3PagerBegin(Pager *pPager, int exFlag, int subjInMemory ** ** WAL mode sets Pager.eState to PAGER_WRITER_LOCKED or CACHEMOD ** when it has an open transaction, but never to DBMOD or FINISHED. - ** This is because in those states the code to roll back savepoint - ** transactions may copy data from the sub-journal into the database - ** file as well as into the page cache. Which would be incorrect in + ** This is because in those states the code to roll back savepoint + ** transactions may copy data from the sub-journal into the database + ** file as well as into the page cache. Which would be incorrect in ** WAL mode. */ pPager->eState = PAGER_WRITER_LOCKED; @@ -56701,7 +57606,7 @@ static SQLITE_NOINLINE int pagerAddPageToRollbackJournal(PgHdr *pPg){ assert( pPg->pgno!=PAGER_MJ_PGNO(pPager) ); assert( pPager->journalHdr<=pPager->journalOff ); - CODEC2(pPager, pPg->pData, pPg->pgno, 7, return SQLITE_NOMEM_BKPT, pData2); + pData2 = pPg->pData; cksum = pager_cksum(pPager, (u8*)pData2); /* Even if an IO or diskfull error occurs while journalling the @@ -56720,11 +57625,11 @@ static SQLITE_NOINLINE int pagerAddPageToRollbackJournal(PgHdr *pPg){ rc = write32bits(pPager->jfd, iOff+pPager->pageSize+4, cksum); if( rc!=SQLITE_OK ) return rc; - IOTRACE(("JOUT %p %d %lld %d\n", pPager, pPg->pgno, + IOTRACE(("JOUT %p %d %lld %d\n", pPager, pPg->pgno, pPager->journalOff, pPager->pageSize)); PAGER_INCR(sqlite3_pager_writej_count); PAGERTRACE(("JOURNAL %d page %d needSync=%d hash(%08x)\n", - PAGERID(pPager), pPg->pgno, + PAGERID(pPager), pPg->pgno, ((pPg->flags&PGHDR_NEED_SYNC)?1:0), pager_pagehash(pPg))); pPager->journalOff += 8 + pPager->pageSize; @@ -56739,9 +57644,9 @@ static SQLITE_NOINLINE int pagerAddPageToRollbackJournal(PgHdr *pPg){ } /* -** Mark a single data page as writeable. The page is written into the +** Mark a single data page as writeable. The page is written into the ** main journal or sub-journal as required. If the page is written into -** one of the journals, the corresponding bit is set in the +** one of the journals, the corresponding bit is set in the ** Pager.pInJournal bitvec and the PagerSavepoint.pInSavepoint bitvecs ** of any open savepoints as appropriate. */ @@ -56749,7 +57654,7 @@ static int pager_write(PgHdr *pPg){ Pager *pPager = pPg->pPager; int rc = SQLITE_OK; - /* This routine is not called unless a write-transaction has already + /* This routine is not called unless a write-transaction has already ** been started. The journal file may or may not be open at this point. ** It is never called in the ERROR state. */ @@ -56766,7 +57671,7 @@ static int pager_write(PgHdr *pPg){ ** obtained the necessary locks to begin the write-transaction, but the ** rollback journal might not yet be open. Open it now if this is the case. ** - ** This is done before calling sqlite3PcacheMakeDirty() on the page. + ** This is done before calling sqlite3PcacheMakeDirty() on the page. ** Otherwise, if it were done after calling sqlite3PcacheMakeDirty(), then ** an error might occur and the pager would end up in WRITER_LOCKED state ** with pages marked as dirty in the cache. @@ -56811,7 +57716,7 @@ static int pager_write(PgHdr *pPg){ ** PGHDR_WRITEABLE bit that indicates that the page can be safely modified. */ pPg->flags |= PGHDR_WRITEABLE; - + /* If the statement journal is open and the page is not in it, ** then write the page into the statement journal. */ @@ -56895,7 +57800,7 @@ static SQLITE_NOINLINE int pagerWriteLargeSector(PgHdr *pPg){ } } - /* If the PGHDR_NEED_SYNC flag is set for any of the nPage pages + /* If the PGHDR_NEED_SYNC flag is set for any of the nPage pages ** starting at pg1, then it needs to be set for all of them. Because ** writing to any of these nPage pages may damage the others, the ** journal file must contain sync()ed copies of all of them @@ -56918,9 +57823,9 @@ static SQLITE_NOINLINE int pagerWriteLargeSector(PgHdr *pPg){ } /* -** Mark a data page as writeable. This routine must be called before -** making changes to a page. The caller must check the return value -** of this function and be careful not to change any page data unless +** Mark a data page as writeable. This routine must be called before +** making changes to a page. The caller must check the return value +** of this function and be careful not to change any page data unless ** this routine returns SQLITE_OK. ** ** The difference between this function and pager_write() is that this @@ -56971,13 +57876,13 @@ SQLITE_PRIVATE int sqlite3PagerIswriteable(DbPage *pPg){ ** on the given page is unused. The pager marks the page as clean so ** that it does not get written to disk. ** -** Tests show that this optimization can quadruple the speed of large +** Tests show that this optimization can quadruple the speed of large ** DELETE operations. ** ** This optimization cannot be used with a temp-file, as the page may ** have been dirty at the start of the transaction. In that case, if -** memory pressure forces page pPg out of the cache, the data does need -** to be written out to disk so that it may be read back in if the +** memory pressure forces page pPg out of the cache, the data does need +** to be written out to disk so that it may be read back in if the ** current transaction is rolled back. */ SQLITE_PRIVATE void sqlite3PagerDontWrite(PgHdr *pPg){ @@ -56993,17 +57898,17 @@ SQLITE_PRIVATE void sqlite3PagerDontWrite(PgHdr *pPg){ } /* -** This routine is called to increment the value of the database file -** change-counter, stored as a 4-byte big-endian integer starting at +** This routine is called to increment the value of the database file +** change-counter, stored as a 4-byte big-endian integer starting at ** byte offset 24 of the pager file. The secondary change counter at ** 92 is also updated, as is the SQLite version number at offset 96. ** ** But this only happens if the pPager->changeCountDone flag is false. ** To avoid excess churning of page 1, the update only happens once. -** See also the pager_write_changecounter() routine that does an +** See also the pager_write_changecounter() routine that does an ** unconditional update of the change counters. ** -** If the isDirectMode flag is zero, then this is done by calling +** If the isDirectMode flag is zero, then this is done by calling ** sqlite3PagerWrite() on page 1, then modifying the contents of the ** page data. In this case the file will be updated when the current ** transaction is committed. @@ -57011,7 +57916,7 @@ SQLITE_PRIVATE void sqlite3PagerDontWrite(PgHdr *pPg){ ** The isDirectMode flag may only be non-zero if the library was compiled ** with the SQLITE_ENABLE_ATOMIC_WRITE macro defined. In this case, ** if isDirect is non-zero, then the database file is updated directly -** by writing an updated version of page 1 using a call to the +** by writing an updated version of page 1 using a call to the ** sqlite3OsWrite() function. */ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ @@ -57050,7 +57955,7 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ assert( pPgHdr==0 || rc==SQLITE_OK ); /* If page one was fetched successfully, and this function is not - ** operating in direct-mode, make page 1 writable. When not in + ** operating in direct-mode, make page 1 writable. When not in ** direct mode, page 1 is always held in cache and hence the PagerGet() ** above is always successful - hence the ALWAYS on rc==SQLITE_OK. */ @@ -57066,7 +57971,7 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ if( DIRECT_MODE ){ const void *zBuf; assert( pPager->dbFileSize>0 ); - CODEC2(pPager, pPgHdr->pData, 1, 6, rc=SQLITE_NOMEM_BKPT, zBuf); + zBuf = pPgHdr->pData; if( rc==SQLITE_OK ){ rc = sqlite3OsWrite(pPager->fd, zBuf, pPager->pageSize, 0); pPager->aStat[PAGER_STAT_WRITE]++; @@ -57097,9 +58002,9 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ ** If successful, or if called on a pager for which it is a no-op, this ** function returns SQLITE_OK. Otherwise, an IO error code is returned. */ -SQLITE_PRIVATE int sqlite3PagerSync(Pager *pPager, const char *zMaster){ +SQLITE_PRIVATE int sqlite3PagerSync(Pager *pPager, const char *zSuper){ int rc = SQLITE_OK; - void *pArg = (void*)zMaster; + void *pArg = (void*)zSuper; rc = sqlite3OsFileControl(pPager->fd, SQLITE_FCNTL_SYNC, pArg); if( rc==SQLITE_NOTFOUND ) rc = SQLITE_OK; if( rc==SQLITE_OK && !pPager->noSync ){ @@ -57111,22 +58016,22 @@ SQLITE_PRIVATE int sqlite3PagerSync(Pager *pPager, const char *zMaster){ /* ** This function may only be called while a write-transaction is active in -** rollback. If the connection is in WAL mode, this call is a no-op. -** Otherwise, if the connection does not already have an EXCLUSIVE lock on +** rollback. If the connection is in WAL mode, this call is a no-op. +** Otherwise, if the connection does not already have an EXCLUSIVE lock on ** the database file, an attempt is made to obtain one. ** ** If the EXCLUSIVE lock is already held or the attempt to obtain it is ** successful, or the connection is in WAL mode, SQLITE_OK is returned. -** Otherwise, either SQLITE_BUSY or an SQLITE_IOERR_XXX error code is +** Otherwise, either SQLITE_BUSY or an SQLITE_IOERR_XXX error code is ** returned. */ SQLITE_PRIVATE int sqlite3PagerExclusiveLock(Pager *pPager){ int rc = pPager->errCode; assert( assert_pager_state(pPager) ); if( rc==SQLITE_OK ){ - assert( pPager->eState==PAGER_WRITER_CACHEMOD - || pPager->eState==PAGER_WRITER_DBMOD - || pPager->eState==PAGER_WRITER_LOCKED + assert( pPager->eState==PAGER_WRITER_CACHEMOD + || pPager->eState==PAGER_WRITER_DBMOD + || pPager->eState==PAGER_WRITER_LOCKED ); assert( assert_pager_state(pPager) ); if( 0==pagerUseWal(pPager) ){ @@ -57137,24 +58042,24 @@ SQLITE_PRIVATE int sqlite3PagerExclusiveLock(Pager *pPager){ } /* -** Sync the database file for the pager pPager. zMaster points to the name -** of a master journal file that should be written into the individual -** journal file. zMaster may be NULL, which is interpreted as no master -** journal (a single database transaction). +** Sync the database file for the pager pPager. zSuper points to the name +** of a super-journal file that should be written into the individual +** journal file. zSuper may be NULL, which is interpreted as no +** super-journal (a single database transaction). ** ** This routine ensures that: ** ** * The database file change-counter is updated, ** * the journal is synced (unless the atomic-write optimization is used), -** * all dirty pages are written to the database file, +** * all dirty pages are written to the database file, ** * the database file is truncated (if required), and -** * the database file synced. +** * the database file synced. ** -** The only thing that remains to commit the transaction is to finalize -** (delete, truncate or zero the first part of) the journal file (or -** delete the master journal file if specified). +** The only thing that remains to commit the transaction is to finalize +** (delete, truncate or zero the first part of) the journal file (or +** delete the super-journal file if specified). ** -** Note that if zMaster==NULL, this does not overwrite a previous value +** Note that if zSuper==NULL, this does not overwrite a previous value ** passed to an sqlite3PagerCommitPhaseOne() call. ** ** If the final parameter - noSync - is true, then the database file itself @@ -57164,7 +58069,7 @@ SQLITE_PRIVATE int sqlite3PagerExclusiveLock(Pager *pPager){ */ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( Pager *pPager, /* Pager object */ - const char *zMaster, /* If not NULL, the master journal name */ + const char *zSuper, /* If not NULL, the super-journal name */ int noSync /* True to omit the xSync on the db file */ ){ int rc = SQLITE_OK; /* Return code */ @@ -57182,8 +58087,8 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( /* Provide the ability to easily simulate an I/O error during testing */ if( sqlite3FaultSim(400) ) return SQLITE_IOERR; - PAGERTRACE(("DATABASE SYNC: File=%s zMaster=%s nSize=%d\n", - pPager->zFilename, zMaster, pPager->dbSize)); + PAGERTRACE(("DATABASE SYNC: File=%s zSuper=%s nSize=%d\n", + pPager->zFilename, zSuper, pPager->dbSize)); /* If no database changes have been made, return early. */ if( pPager->eState<PAGER_WRITER_CACHEMOD ) return SQLITE_OK; @@ -57222,7 +58127,7 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( */ #ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE sqlite3_file *fd = pPager->fd; - int bBatch = zMaster==0 /* An SQLITE_IOCAP_BATCH_ATOMIC commit */ + int bBatch = zSuper==0 /* An SQLITE_IOCAP_BATCH_ATOMIC commit */ && (sqlite3OsDeviceCharacteristics(fd) & SQLITE_IOCAP_BATCH_ATOMIC) && !pPager->noSync && sqlite3JournalIsInMemory(pPager->jfd); @@ -57233,11 +58138,11 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( #ifdef SQLITE_ENABLE_ATOMIC_WRITE /* The following block updates the change-counter. Exactly how it ** does this depends on whether or not the atomic-update optimization - ** was enabled at compile time, and if this transaction meets the - ** runtime criteria to use the operation: + ** was enabled at compile time, and if this transaction meets the + ** runtime criteria to use the operation: ** ** * The file-system supports the atomic-write property for - ** blocks of size page-size, and + ** blocks of size page-size, and ** * This commit is not part of a multi-file transaction, and ** * Exactly one page has been modified and store in the journal file. ** @@ -57247,7 +58152,7 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( ** is not applicable to this transaction, call sqlite3JournalCreate() ** to make sure the journal file has actually been created, then call ** pager_incr_changecounter() to update the change-counter in indirect - ** mode. + ** mode. ** ** Otherwise, if the optimization is both enabled and applicable, ** then call pager_incr_changecounter() to update the change-counter @@ -57256,19 +58161,19 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( */ if( bBatch==0 ){ PgHdr *pPg; - assert( isOpen(pPager->jfd) - || pPager->journalMode==PAGER_JOURNALMODE_OFF - || pPager->journalMode==PAGER_JOURNALMODE_WAL + assert( isOpen(pPager->jfd) + || pPager->journalMode==PAGER_JOURNALMODE_OFF + || pPager->journalMode==PAGER_JOURNALMODE_WAL ); - if( !zMaster && isOpen(pPager->jfd) - && pPager->journalOff==jrnlBufferSize(pPager) + if( !zSuper && isOpen(pPager->jfd) + && pPager->journalOff==jrnlBufferSize(pPager) && pPager->dbSize>=pPager->dbOrigSize && (!(pPg = sqlite3PcacheDirtyList(pPager->pPCache)) || 0==pPg->pDirty) ){ - /* Update the db file change counter via the direct-write method. The - ** following call will modify the in-memory representation of page 1 - ** to include the updated change counter and then write page 1 - ** directly to the database file. Because of the atomic-write + /* Update the db file change counter via the direct-write method. The + ** following call will modify the in-memory representation of page 1 + ** to include the updated change counter and then write page 1 + ** directly to the database file. Because of the atomic-write ** property of the host file-system, this is safe. */ rc = pager_incr_changecounter(pPager, 1); @@ -57281,7 +58186,7 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( } #else /* SQLITE_ENABLE_ATOMIC_WRITE */ #ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE - if( zMaster ){ + if( zSuper ){ rc = sqlite3JournalCreate(pPager->jfd); if( rc!=SQLITE_OK ) goto commit_phase_one_exit; assert( bBatch==0 ); @@ -57290,24 +58195,24 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( rc = pager_incr_changecounter(pPager, 0); #endif /* !SQLITE_ENABLE_ATOMIC_WRITE */ if( rc!=SQLITE_OK ) goto commit_phase_one_exit; - - /* Write the master journal name into the journal file. If a master - ** journal file name has already been written to the journal file, - ** or if zMaster is NULL (no master journal), then this call is a no-op. + + /* Write the super-journal name into the journal file. If a + ** super-journal file name has already been written to the journal file, + ** or if zSuper is NULL (no super-journal), then this call is a no-op. */ - rc = writeMasterJournal(pPager, zMaster); + rc = writeSuperJournal(pPager, zSuper); if( rc!=SQLITE_OK ) goto commit_phase_one_exit; - + /* Sync the journal file and write all dirty pages to the database. - ** If the atomic-update optimization is being used, this sync will not + ** If the atomic-update optimization is being used, this sync will not ** create the journal file or perform any real IO. ** ** Because the change-counter page was just modified, unless the ** atomic-update optimization is used it is almost certain that the ** journal requires a sync here. However, in locking_mode=exclusive - ** on a system under memory pressure it is just possible that this is + ** on a system under memory pressure it is just possible that this is ** not the case. In this case it is likely enough that the redundant - ** xSync() call will be changed to a no-op by the OS anyhow. + ** xSync() call will be changed to a no-op by the OS anyhow. */ rc = syncJournal(pPager, 0); if( rc!=SQLITE_OK ) goto commit_phase_one_exit; @@ -57348,7 +58253,7 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( } sqlite3PcacheCleanAll(pPager->pPCache); - /* If the file on disk is smaller than the database image, use + /* If the file on disk is smaller than the database image, use ** pager_truncate to grow the file here. This can happen if the database ** image was extended as part of the current transaction and then the ** last page in the db image moved to the free-list. In this case the @@ -57360,10 +58265,10 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseOne( rc = pager_truncate(pPager, nNew); if( rc!=SQLITE_OK ) goto commit_phase_one_exit; } - + /* Finally, sync the database file. */ if( !noSync ){ - rc = sqlite3PagerSync(pPager, zMaster); + rc = sqlite3PagerSync(pPager, zSuper); } IOTRACE(("DBSYNC %p\n", pPager)) } @@ -57380,12 +58285,12 @@ commit_phase_one_exit: /* ** When this function is called, the database file has been completely ** updated to reflect the changes made by the current transaction and -** synced to disk. The journal file still exists in the file-system +** synced to disk. The journal file still exists in the file-system ** though, and if a failure occurs at this point it will eventually ** be used as a hot-journal and the current transaction rolled back. ** -** This function finalizes the journal file, either by deleting, -** truncating or partially zeroing it, so that it cannot be used +** This function finalizes the journal file, either by deleting, +** truncating or partially zeroing it, so that it cannot be used ** for hot-journal rollback. Once this is done the transaction is ** irrevocably committed. ** @@ -57399,6 +58304,7 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager *pPager){ ** But if (due to a coding error elsewhere in the system) it does get ** called, just return the same error code without doing anything. */ if( NEVER(pPager->errCode) ) return pPager->errCode; + pPager->iDataVersion++; assert( pPager->eState==PAGER_WRITER_LOCKED || pPager->eState==PAGER_WRITER_FINISHED @@ -57410,15 +58316,15 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager *pPager){ ** this transaction, the pager is running in exclusive-mode and is ** using persistent journals, then this function is a no-op. ** - ** The start of the journal file currently contains a single journal + ** The start of the journal file currently contains a single journal ** header with the nRec field set to 0. If such a journal is used as ** a hot-journal during hot-journal rollback, 0 changes will be made - ** to the database file. So there is no need to zero the journal + ** to the database file. So there is no need to zero the journal ** header. Since the pager is in exclusive mode, there is no need ** to drop any locks either. */ - if( pPager->eState==PAGER_WRITER_LOCKED - && pPager->exclusiveMode + if( pPager->eState==PAGER_WRITER_LOCKED + && pPager->exclusiveMode && pPager->journalMode==PAGER_JOURNALMODE_PERSIST ){ assert( pPager->journalOff==JOURNAL_HDR_SZ(pPager) || !pPager->journalOff ); @@ -57427,13 +58333,12 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager *pPager){ } PAGERTRACE(("COMMIT %d\n", PAGERID(pPager))); - pPager->iDataVersion++; - rc = pager_end_transaction(pPager, pPager->setMaster, 1); + rc = pager_end_transaction(pPager, pPager->setSuper, 1); return pager_error(pPager, rc); } /* -** If a write transaction is open, then all changes made within the +** If a write transaction is open, then all changes made within the ** transaction are reverted and the current write-transaction is closed. ** The pager falls back to PAGER_READER state if successful, or PAGER_ERROR ** state if an error occurs. @@ -57443,14 +58348,14 @@ SQLITE_PRIVATE int sqlite3PagerCommitPhaseTwo(Pager *pPager){ ** ** Otherwise, in rollback mode, this function performs two functions: ** -** 1) It rolls back the journal file, restoring all database file and +** 1) It rolls back the journal file, restoring all database file and ** in-memory cache pages to the state they were in when the transaction ** was opened, and ** ** 2) It finalizes the journal file, so that it is not used for hot ** rollback at any point in the future. ** -** Finalization of the journal file (task 2) is only performed if the +** Finalization of the journal file (task 2) is only performed if the ** rollback is successful. ** ** In WAL mode, all cache-entries containing data modified within the @@ -57463,7 +58368,7 @@ SQLITE_PRIVATE int sqlite3PagerRollback(Pager *pPager){ PAGERTRACE(("ROLLBACK %d\n", PAGERID(pPager))); /* PagerRollback() is a no-op if called in READER or OPEN state. If - ** the pager is already in the ERROR state, the rollback is not + ** the pager is already in the ERROR state, the rollback is not ** attempted here. Instead, the error code is returned to the caller. */ assert( assert_pager_state(pPager) ); @@ -57473,13 +58378,13 @@ SQLITE_PRIVATE int sqlite3PagerRollback(Pager *pPager){ if( pagerUseWal(pPager) ){ int rc2; rc = sqlite3PagerSavepoint(pPager, SAVEPOINT_ROLLBACK, -1); - rc2 = pager_end_transaction(pPager, pPager->setMaster, 0); + rc2 = pager_end_transaction(pPager, pPager->setSuper, 0); if( rc==SQLITE_OK ) rc = rc2; }else if( !isOpen(pPager->jfd) || pPager->eState==PAGER_WRITER_LOCKED ){ int eState = pPager->eState; rc = pager_end_transaction(pPager, 0, 0); if( !MEMDB && eState>PAGER_WRITER_LOCKED ){ - /* This can happen using journal_mode=off. Move the pager to the error + /* This can happen using journal_mode=off. Move the pager to the error ** state to indicate that the contents of the cache may not be trusted. ** Any active readers will get SQLITE_ABORT. */ @@ -57494,7 +58399,7 @@ SQLITE_PRIVATE int sqlite3PagerRollback(Pager *pPager){ assert( pPager->eState==PAGER_READER || rc!=SQLITE_OK ); assert( rc==SQLITE_OK || rc==SQLITE_FULL || rc==SQLITE_CORRUPT - || rc==SQLITE_NOMEM || (rc&0xFF)==SQLITE_IOERR + || rc==SQLITE_NOMEM || (rc&0xFF)==SQLITE_IOERR || rc==SQLITE_CANTOPEN ); @@ -57568,8 +58473,8 @@ SQLITE_PRIVATE int *sqlite3PagerStats(Pager *pPager){ ** it was added later. ** ** Before returning, *pnVal is incremented by the -** current cache hit or miss count, according to the value of eStat. If the -** reset parameter is non-zero, the cache hit or miss count is zeroed before +** current cache hit or miss count, according to the value of eStat. If the +** reset parameter is non-zero, the cache hit or miss count is zeroed before ** returning. */ SQLITE_PRIVATE void sqlite3PagerCacheStat(Pager *pPager, int eStat, int reset, int *pnVal){ @@ -57605,7 +58510,7 @@ SQLITE_PRIVATE int sqlite3PagerIsMemdb(Pager *pPager){ ** to make up the difference. If the number of savepoints is already ** equal to nSavepoint, then this function is a no-op. ** -** If a memory allocation fails, SQLITE_NOMEM is returned. If an error +** If a memory allocation fails, SQLITE_NOMEM is returned. If an error ** occurs while opening the sub-journal file, then an IO error code is ** returned. Otherwise, SQLITE_OK. */ @@ -57620,7 +58525,7 @@ static SQLITE_NOINLINE int pagerOpenSavepoint(Pager *pPager, int nSavepoint){ assert( nSavepoint>nCurrent && pPager->useJournal ); /* Grow the Pager.aSavepoint array using realloc(). Return SQLITE_NOMEM - ** if the allocation fails. Otherwise, zero the new portion in case a + ** if the allocation fails. Otherwise, zero the new portion in case a ** malloc failure occurs while populating it in the for(...) loop below. */ aNew = (PagerSavepoint *)sqlite3Realloc( @@ -57668,7 +58573,7 @@ SQLITE_PRIVATE int sqlite3PagerOpenSavepoint(Pager *pPager, int nSavepoint){ /* ** This function is called to rollback or release (commit) a savepoint. -** The savepoint to release or rollback need not be the most recently +** The savepoint to release or rollback need not be the most recently ** created savepoint. ** ** Parameter op is always either SAVEPOINT_ROLLBACK or SAVEPOINT_RELEASE. @@ -57676,29 +58581,29 @@ SQLITE_PRIVATE int sqlite3PagerOpenSavepoint(Pager *pPager, int nSavepoint){ ** index iSavepoint. If it is SAVEPOINT_ROLLBACK, then rollback all changes ** that have occurred since the specified savepoint was created. ** -** The savepoint to rollback or release is identified by parameter +** The savepoint to rollback or release is identified by parameter ** iSavepoint. A value of 0 means to operate on the outermost savepoint ** (the first created). A value of (Pager.nSavepoint-1) means operate ** on the most recently created savepoint. If iSavepoint is greater than ** (Pager.nSavepoint-1), then this function is a no-op. ** ** If a negative value is passed to this function, then the current -** transaction is rolled back. This is different to calling +** transaction is rolled back. This is different to calling ** sqlite3PagerRollback() because this function does not terminate -** the transaction or unlock the database, it just restores the -** contents of the database to its original state. +** the transaction or unlock the database, it just restores the +** contents of the database to its original state. ** -** In any case, all savepoints with an index greater than iSavepoint +** In any case, all savepoints with an index greater than iSavepoint ** are destroyed. If this is a release operation (op==SAVEPOINT_RELEASE), ** then savepoint iSavepoint is also destroyed. ** ** This function may return SQLITE_NOMEM if a memory allocation fails, -** or an IO error code if an IO error occurs while rolling back a +** or an IO error code if an IO error occurs while rolling back a ** savepoint. If no errors occur, SQLITE_OK is returned. -*/ +*/ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ int rc = pPager->errCode; - + #ifdef SQLITE_ENABLE_ZIPVFS if( op==SAVEPOINT_RELEASE ) rc = SQLITE_OK; #endif @@ -57711,7 +58616,7 @@ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ int nNew; /* Number of remaining savepoints after this op. */ /* Figure out how many savepoints will still be active after this - ** operation. Store this value in nNew. Then free resources associated + ** operation. Store this value in nNew. Then free resources associated ** with any savepoints that are destroyed by this operation. */ nNew = iSavepoint + (( op==SAVEPOINT_RELEASE ) ? 0 : 1); @@ -57720,7 +58625,7 @@ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ } pPager->nSavepoint = nNew; - /* If this is a release of the outermost savepoint, truncate + /* If this is a release of the outermost savepoint, truncate ** the sub-journal to zero bytes in size. */ if( op==SAVEPOINT_RELEASE ){ if( nNew==0 && isOpen(pPager->sjfd) ){ @@ -57742,14 +58647,14 @@ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ rc = pagerPlaybackSavepoint(pPager, pSavepoint); assert(rc!=SQLITE_DONE); } - + #ifdef SQLITE_ENABLE_ZIPVFS - /* If the cache has been modified but the savepoint cannot be rolled + /* If the cache has been modified but the savepoint cannot be rolled ** back journal_mode=off, put the pager in the error state. This way, ** if the VFS used by this pager includes ZipVFS, the entire transaction ** can be rolled back at the ZipVFS level. */ - else if( - pPager->journalMode==PAGER_JOURNALMODE_OFF + else if( + pPager->journalMode==PAGER_JOURNALMODE_OFF && pPager->eState>=PAGER_WRITER_CACHEMOD ){ pPager->errCode = SQLITE_ABORT; @@ -57771,9 +58676,13 @@ SQLITE_PRIVATE int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint){ ** behavior. But when the Btree needs to know the filename for matching to ** shared cache, it uses nullIfMemDb==0 so that in-memory databases can ** participate in shared-cache. +** +** The return value to this routine is always safe to use with +** sqlite3_uri_parameter() and sqlite3_filename_database() and friends. */ -SQLITE_PRIVATE const char *sqlite3PagerFilename(Pager *pPager, int nullIfMemDb){ - return (nullIfMemDb && pPager->memDb) ? "" : pPager->zFilename; +SQLITE_PRIVATE const char *sqlite3PagerFilename(const Pager *pPager, int nullIfMemDb){ + static const char zFake[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; + return (nullIfMemDb && pPager->memDb) ? &zFake[4] : pPager->zFilename; } /* @@ -57792,16 +58701,6 @@ SQLITE_PRIVATE sqlite3_file *sqlite3PagerFile(Pager *pPager){ return pPager->fd; } -#ifdef SQLITE_ENABLE_SETLK_TIMEOUT -/* -** Reset the lock timeout for pager. -*/ -SQLITE_PRIVATE void sqlite3PagerResetLockTimeout(Pager *pPager){ - int x = 0; - sqlite3OsFileControl(pPager->fd, SQLITE_FCNTL_LOCK_TIMEOUT, &x); -} -#endif - /* ** Return the file handle for the journal file (if it exists). ** This will be either the rollback journal or the WAL file. @@ -57821,54 +58720,6 @@ SQLITE_PRIVATE const char *sqlite3PagerJournalname(Pager *pPager){ return pPager->zJournal; } -#ifdef SQLITE_HAS_CODEC -/* -** Set or retrieve the codec for this pager -*/ -SQLITE_PRIVATE void sqlite3PagerSetCodec( - Pager *pPager, - void *(*xCodec)(void*,void*,Pgno,int), - void (*xCodecSizeChng)(void*,int,int), - void (*xCodecFree)(void*), - void *pCodec -){ - if( pPager->xCodecFree ){ - pPager->xCodecFree(pPager->pCodec); - }else{ - pager_reset(pPager); - } - pPager->xCodec = pPager->memDb ? 0 : xCodec; - pPager->xCodecSizeChng = xCodecSizeChng; - pPager->xCodecFree = xCodecFree; - pPager->pCodec = pCodec; - setGetterMethod(pPager); - pagerReportSize(pPager); -} -SQLITE_PRIVATE void *sqlite3PagerGetCodec(Pager *pPager){ - return pPager->pCodec; -} - -/* -** This function is called by the wal module when writing page content -** into the log file. -** -** This function returns a pointer to a buffer containing the encrypted -** page content. If a malloc fails, this function may return NULL. -*/ -SQLITE_PRIVATE void *sqlite3PagerCodec(PgHdr *pPg){ - void *aData = 0; - CODEC2(pPg->pPager, pPg->pData, pPg->pgno, 6, return 0, aData); - return aData; -} - -/* -** Return the current pager state -*/ -SQLITE_PRIVATE int sqlite3PagerState(Pager *pPager){ - return pPager->eState; -} -#endif /* SQLITE_HAS_CODEC */ - #ifndef SQLITE_OMIT_AUTOVACUUM /* ** Move the page pPg to location pgno in the file. @@ -57888,8 +58739,8 @@ SQLITE_PRIVATE int sqlite3PagerState(Pager *pPager){ ** transaction is active). ** ** If the fourth argument, isCommit, is non-zero, then this page is being -** moved as part of a database reorganization just before the transaction -** is being committed. In this case, it is guaranteed that the database page +** moved as part of a database reorganization just before the transaction +** is being committed. In this case, it is guaranteed that the database page ** pPg refers to will not be written to again within this transaction. ** ** This function may return SQLITE_NOMEM or an IO error code if an error @@ -57917,7 +58768,7 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i } /* If the page being moved is dirty and has not been saved by the latest - ** savepoint, then save the current contents of the page into the + ** savepoint, then save the current contents of the page into the ** sub-journal now. This is required to handle the following scenario: ** ** BEGIN; @@ -57940,7 +58791,7 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i return rc; } - PAGERTRACE(("MOVE %d page %d (needSync=%d) moves to %d\n", + PAGERTRACE(("MOVE %d page %d (needSync=%d) moves to %d\n", PAGERID(pPager), pPg->pgno, (pPg->flags&PGHDR_NEED_SYNC)?1:0, pgno)); IOTRACE(("MOVE %p %d %d\n", pPager, pPg->pgno, pgno)) @@ -57948,7 +58799,7 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i ** be written to, store pPg->pgno in local variable needSyncPgno. ** ** If the isCommit flag is set, there is no need to remember that - ** the journal needs to be sync()ed before database page pPg->pgno + ** the journal needs to be sync()ed before database page pPg->pgno ** can be written to. The caller has already promised not to write to it. */ if( (pPg->flags&PGHDR_NEED_SYNC) && !isCommit ){ @@ -57959,8 +58810,8 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i } /* If the cache contains a page with page-number pgno, remove it - ** from its hash chain. Also, if the PGHDR_NEED_SYNC flag was set for - ** page pgno before the 'move' operation, it needs to be retained + ** from its hash chain. Also, if the PGHDR_NEED_SYNC flag was set for + ** page pgno before the 'move' operation, it needs to be retained ** for the page moved there. */ pPg->flags &= ~PGHDR_NEED_SYNC; @@ -57995,9 +58846,9 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i } if( needSyncPgno ){ - /* If needSyncPgno is non-zero, then the journal file needs to be + /* If needSyncPgno is non-zero, then the journal file needs to be ** sync()ed before any data is written to database file page needSyncPgno. - ** Currently, no such page exists in the page-cache and the + ** Currently, no such page exists in the page-cache and the ** "is journaled" bitvec flag has been set. This needs to be remedied by ** loading the page into the pager-cache and setting the PGHDR_NEED_SYNC ** flag. @@ -58028,9 +58879,9 @@ SQLITE_PRIVATE int sqlite3PagerMovepage(Pager *pPager, DbPage *pPg, Pgno pgno, i #endif /* -** The page handle passed as the first argument refers to a dirty page -** with a page number other than iNew. This function changes the page's -** page number to iNew and sets the value of the PgHdr.flags field to +** The page handle passed as the first argument refers to a dirty page +** with a page number other than iNew. This function changes the page's +** page number to iNew and sets the value of the PgHdr.flags field to ** the value passed as the third parameter. */ SQLITE_PRIVATE void sqlite3PagerRekey(DbPage *pPg, Pgno iNew, u16 flags){ @@ -58048,7 +58899,7 @@ SQLITE_PRIVATE void *sqlite3PagerGetData(DbPage *pPg){ } /* -** Return a pointer to the Pager.nExtra bytes of "extra" space +** Return a pointer to the Pager.nExtra bytes of "extra" space ** allocated along with the specified page. */ SQLITE_PRIVATE void *sqlite3PagerGetExtra(DbPage *pPg){ @@ -58057,7 +58908,7 @@ SQLITE_PRIVATE void *sqlite3PagerGetExtra(DbPage *pPg){ /* ** Get/set the locking-mode for this pager. Parameter eMode must be one -** of PAGER_LOCKINGMODE_QUERY, PAGER_LOCKINGMODE_NORMAL or +** of PAGER_LOCKINGMODE_QUERY, PAGER_LOCKINGMODE_NORMAL or ** PAGER_LOCKINGMODE_EXCLUSIVE. If the parameter is not _QUERY, then ** the locking-mode is set to the value specified. ** @@ -58105,8 +58956,8 @@ SQLITE_PRIVATE int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){ assert( eMode==PAGER_JOURNALMODE_DELETE || eMode==PAGER_JOURNALMODE_TRUNCATE || eMode==PAGER_JOURNALMODE_PERSIST - || eMode==PAGER_JOURNALMODE_OFF - || eMode==PAGER_JOURNALMODE_WAL + || eMode==PAGER_JOURNALMODE_OFF + || eMode==PAGER_JOURNALMODE_WAL || eMode==PAGER_JOURNALMODE_MEMORY ); /* This routine is only called from the OP_JournalMode opcode, and @@ -58263,7 +59114,6 @@ SQLITE_PRIVATE int sqlite3PagerCheckpoint( pPager->walSyncFlags, pPager->pageSize, (u8 *)pPager->pTmpSpace, pnLog, pnCkpt ); - sqlite3PagerResetLockTimeout(pPager); } return rc; } @@ -58292,7 +59142,7 @@ static int pagerExclusiveLock(Pager *pPager){ assert( pPager->eLock==SHARED_LOCK || pPager->eLock==EXCLUSIVE_LOCK ); rc = pagerLockDb(pPager, EXCLUSIVE_LOCK); if( rc!=SQLITE_OK ){ - /* If the attempt to grab the exclusive lock failed, release the + /* If the attempt to grab the exclusive lock failed, release the ** pending lock that may have been obtained instead. */ pagerUnlockDb(pPager, SHARED_LOCK); } @@ -58301,7 +59151,7 @@ static int pagerExclusiveLock(Pager *pPager){ } /* -** Call sqlite3WalOpen() to open the WAL handle. If the pager is in +** Call sqlite3WalOpen() to open the WAL handle. If the pager is in ** exclusive-locking mode when this function is called, take an EXCLUSIVE ** lock on the database file and use heap-memory to store the wal-index ** in. Otherwise, use the normal shared-memory. @@ -58312,8 +59162,8 @@ static int pagerOpenWal(Pager *pPager){ assert( pPager->pWal==0 && pPager->tempFile==0 ); assert( pPager->eLock==SHARED_LOCK || pPager->eLock==EXCLUSIVE_LOCK ); - /* If the pager is already in exclusive-mode, the WAL module will use - ** heap-memory for the wal-index instead of the VFS shared-memory + /* If the pager is already in exclusive-mode, the WAL module will use + ** heap-memory for the wal-index instead of the VFS shared-memory ** implementation. Take the exclusive lock now, before opening the WAL ** file, to make sure this is safe. */ @@ -58321,7 +59171,7 @@ static int pagerOpenWal(Pager *pPager){ rc = pagerExclusiveLock(pPager); } - /* Open the connection to the log file. If this operation fails, + /* Open the connection to the log file. If this operation fails, ** (e.g. due to malloc() failure), return an error code. */ if( rc==SQLITE_OK ){ @@ -58343,7 +59193,7 @@ static int pagerOpenWal(Pager *pPager){ ** If the pager passed as the first argument is open on a real database ** file (not a temp file or an in-memory database), and the WAL file ** is not already open, make an attempt to open it now. If successful, -** return SQLITE_OK. If an error occurs or the VFS used by the pager does +** return SQLITE_OK. If an error occurs or the VFS used by the pager does ** not support the xShmXXX() methods, return an error code. *pbOpen is ** not modified in either case. ** @@ -58385,7 +59235,7 @@ SQLITE_PRIVATE int sqlite3PagerOpenWal( ** This function is called to close the connection to the log file prior ** to switching from WAL to rollback mode. ** -** Before closing the log file, this function attempts to take an +** Before closing the log file, this function attempts to take an ** EXCLUSIVE lock on the database file. If this cannot be obtained, an ** error (SQLITE_BUSY) is returned and the log connection is not closed. ** If successful, the EXCLUSIVE lock is not released before returning. @@ -58411,7 +59261,7 @@ SQLITE_PRIVATE int sqlite3PagerCloseWal(Pager *pPager, sqlite3 *db){ rc = pagerOpenWal(pPager); } } - + /* Checkpoint and close the log. Because an EXCLUSIVE lock is held on ** the database file, the log and log-summary files will be deleted. */ @@ -58428,6 +59278,32 @@ SQLITE_PRIVATE int sqlite3PagerCloseWal(Pager *pPager, sqlite3 *db){ return rc; } +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT +/* +** If pager pPager is a wal-mode database not in exclusive locking mode, +** invoke the sqlite3WalWriteLock() function on the associated Wal object +** with the same db and bLock parameters as were passed to this function. +** Return an SQLite error code if an error occurs, or SQLITE_OK otherwise. +*/ +SQLITE_PRIVATE int sqlite3PagerWalWriteLock(Pager *pPager, int bLock){ + int rc = SQLITE_OK; + if( pagerUseWal(pPager) && pPager->exclusiveMode==0 ){ + rc = sqlite3WalWriteLock(pPager->pWal, bLock); + } + return rc; +} + +/* +** Set the database handle used by the wal layer to determine if +** blocking locks are required. +*/ +SQLITE_PRIVATE void sqlite3PagerWalDb(Pager *pPager, sqlite3 *db){ + if( pagerUseWal(pPager) ){ + sqlite3WalDb(pPager->pWal, db); + } +} +#endif + #ifdef SQLITE_ENABLE_SNAPSHOT /* ** If this is a WAL database, obtain a snapshot handle for the snapshot @@ -58443,10 +59319,13 @@ SQLITE_PRIVATE int sqlite3PagerSnapshotGet(Pager *pPager, sqlite3_snapshot **ppS /* ** If this is a WAL database, store a pointer to pSnapshot. Next time a -** read transaction is opened, attempt to read from the snapshot it +** read transaction is opened, attempt to read from the snapshot it ** identifies. If this is not a WAL database, return an error. */ -SQLITE_PRIVATE int sqlite3PagerSnapshotOpen(Pager *pPager, sqlite3_snapshot *pSnapshot){ +SQLITE_PRIVATE int sqlite3PagerSnapshotOpen( + Pager *pPager, + sqlite3_snapshot *pSnapshot +){ int rc = SQLITE_OK; if( pPager->pWal ){ sqlite3WalSnapshotOpen(pPager->pWal, pSnapshot); @@ -58457,7 +59336,7 @@ SQLITE_PRIVATE int sqlite3PagerSnapshotOpen(Pager *pPager, sqlite3_snapshot *pSn } /* -** If this is a WAL database, call sqlite3WalSnapshotRecover(). If this +** If this is a WAL database, call sqlite3WalSnapshotRecover(). If this ** is not a WAL database, return an error. */ SQLITE_PRIVATE int sqlite3PagerSnapshotRecover(Pager *pPager){ @@ -58474,7 +59353,7 @@ SQLITE_PRIVATE int sqlite3PagerSnapshotRecover(Pager *pPager){ ** The caller currently has a read transaction open on the database. ** If this is not a WAL database, SQLITE_ERROR is returned. Otherwise, ** this function takes a SHARED lock on the CHECKPOINTER slot and then -** checks if the snapshot passed as the second argument is still +** checks if the snapshot passed as the second argument is still ** available. If so, SQLITE_OK is returned. ** ** If the snapshot is not available, SQLITE_ERROR is returned. Or, if @@ -58534,7 +59413,7 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** ************************************************************************* ** -** This file contains the implementation of a write-ahead log (WAL) used in +** This file contains the implementation of a write-ahead log (WAL) used in ** "journal_mode=WAL" mode. ** ** WRITE-AHEAD LOG (WAL) FILE FORMAT @@ -58543,7 +59422,7 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** Each frame records the revised content of a single page from the ** database file. All changes to the database are recorded by writing ** frames into the WAL. Transactions commit when a frame is written that -** contains a commit marker. A single WAL can and usually does record +** contains a commit marker. A single WAL can and usually does record ** multiple transactions. Periodically, the content of the WAL is ** transferred back into the database file in an operation called a ** "checkpoint". @@ -58569,11 +59448,11 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** ** Immediately following the wal-header are zero or more frames. Each ** frame consists of a 24-byte frame-header followed by a <page-size> bytes -** of page data. The frame-header is six big-endian 32-bit unsigned +** of page data. The frame-header is six big-endian 32-bit unsigned ** integer values, as follows: ** ** 0: Page number. -** 4: For commit records, the size of the database image in pages +** 4: For commit records, the size of the database image in pages ** after the commit. For all other records, zero. ** 8: Salt-1 (copied from the header) ** 12: Salt-2 (copied from the header) @@ -58599,7 +59478,7 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** the checksum. The checksum is computed by interpreting the input as ** an even number of unsigned 32-bit integers: x[0] through x[N]. The ** algorithm used for the checksum is as follows: -** +** ** for i from 0 to n-1 step 2: ** s0 += x[i] + s1; ** s1 += x[i+1] + s0; @@ -58607,7 +59486,7 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** ** Note that s0 and s1 are both weighted checksums using fibonacci weights ** in reverse order (the largest fibonacci weight occurs on the first element -** of the sequence being summed.) The s1 value spans all 32-bit +** of the sequence being summed.) The s1 value spans all 32-bit ** terms of the sequence whereas s0 omits the final term. ** ** On a checkpoint, the WAL is first VFS.xSync-ed, then valid content of the @@ -58640,19 +59519,19 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** multiple concurrent readers to view different versions of the database ** content simultaneously. ** -** The reader algorithm in the previous paragraphs works correctly, but +** The reader algorithm in the previous paragraphs works correctly, but ** because frames for page P can appear anywhere within the WAL, the ** reader has to scan the entire WAL looking for page P frames. If the ** WAL is large (multiple megabytes is typical) that scan can be slow, ** and read performance suffers. To overcome this problem, a separate ** data structure called the wal-index is maintained to expedite the ** search for frames of a particular page. -** +** ** WAL-INDEX FORMAT ** ** Conceptually, the wal-index is shared memory, though VFS implementations ** might choose to implement the wal-index using a mmapped file. Because -** the wal-index is shared memory, SQLite does not support journal_mode=WAL +** the wal-index is shared memory, SQLite does not support journal_mode=WAL ** on a network filesystem. All users of the database must be able to ** share memory. ** @@ -58670,28 +59549,28 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** byte order of the host computer. ** ** The purpose of the wal-index is to answer this question quickly: Given -** a page number P and a maximum frame index M, return the index of the +** a page number P and a maximum frame index M, return the index of the ** last frame in the wal before frame M for page P in the WAL, or return ** NULL if there are no frames for page P in the WAL prior to M. ** ** The wal-index consists of a header region, followed by an one or -** more index blocks. +** more index blocks. ** ** The wal-index header contains the total number of frames within the WAL ** in the mxFrame field. ** -** Each index block except for the first contains information on +** Each index block except for the first contains information on ** HASHTABLE_NPAGE frames. The first index block contains information on -** HASHTABLE_NPAGE_ONE frames. The values of HASHTABLE_NPAGE_ONE and +** HASHTABLE_NPAGE_ONE frames. The values of HASHTABLE_NPAGE_ONE and ** HASHTABLE_NPAGE are selected so that together the wal-index header and ** first index block are the same size as all other index blocks in the ** wal-index. ** ** Each index block contains two sections, a page-mapping that contains the -** database page number associated with each wal frame, and a hash-table +** database page number associated with each wal frame, and a hash-table ** that allows readers to query an index block for a specific page number. ** The page-mapping is an array of HASHTABLE_NPAGE (or HASHTABLE_NPAGE_ONE -** for the first index block) 32-bit page numbers. The first entry in the +** for the first index block) 32-bit page numbers. The first entry in the ** first index-block contains the database page number corresponding to the ** first frame in the WAL file. The first entry in the second index block ** in the WAL file corresponds to the (HASHTABLE_NPAGE_ONE+1)th frame in @@ -58712,8 +59591,8 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** ** The hash table consists of HASHTABLE_NSLOT 16-bit unsigned integers. ** HASHTABLE_NSLOT = 2*HASHTABLE_NPAGE, and there is one entry in the -** hash table for each page number in the mapping section, so the hash -** table is never more than half full. The expected number of collisions +** hash table for each page number in the mapping section, so the hash +** table is never more than half full. The expected number of collisions ** prior to finding a match is 1. Each entry of the hash table is an ** 1-based index of an entry in the mapping section of the same ** index block. Let K be the 1-based index of the largest entry in @@ -58732,12 +59611,12 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** reached) until an unused hash slot is found. Let the first unused slot ** be at index iUnused. (iUnused might be less than iKey if there was ** wrap-around.) Because the hash table is never more than half full, -** the search is guaranteed to eventually hit an unused entry. Let +** the search is guaranteed to eventually hit an unused entry. Let ** iMax be the value between iKey and iUnused, closest to iUnused, ** where aHash[iMax]==P. If there is no iMax entry (if there exists ** no hash slot such that aHash[i]==p) then page P is not in the ** current index block. Otherwise the iMax-th mapping entry of the -** current index block corresponds to the last entry that references +** current index block corresponds to the last entry that references ** page P. ** ** A hash search begins with the last index block and moves toward the @@ -58762,7 +59641,7 @@ SQLITE_PRIVATE int sqlite3PagerWalFramesize(Pager *pPager){ ** if no values greater than K0 had ever been inserted into the hash table ** in the first place - which is what reader one wants. Meanwhile, the ** second reader using K1 will see additional values that were inserted -** later, which is exactly what reader two wants. +** later, which is exactly what reader two wants. ** ** When a rollback occurs, the value of K is decreased. Hash table entries ** that correspond to frames greater than the new K value are removed @@ -58783,18 +59662,6 @@ SQLITE_PRIVATE int sqlite3WalTrace = 0; #endif /* -** WAL mode depends on atomic aligned 32-bit loads and stores in a few -** places. The following macros try to make this explicit. -*/ -#if GCC_VESRION>=5004000 -# define AtomicLoad(PTR) __atomic_load_n((PTR),__ATOMIC_RELAXED) -# define AtomicStore(PTR,VAL) __atomic_store_n((PTR),(VAL),__ATOMIC_RELAXED) -#else -# define AtomicLoad(PTR) (*(PTR)) -# define AtomicStore(PTR,VAL) (*(PTR) = (VAL)) -#endif - -/* ** The maximum (and only) versions of the wal and wal-index formats ** that may be interpreted by this version of SQLite. ** @@ -58802,7 +59669,7 @@ SQLITE_PRIVATE int sqlite3WalTrace = 0; ** values in the wal-header are correct and (b) the version field is not ** WAL_MAX_VERSION, recovery fails and SQLite returns SQLITE_CANTOPEN. ** -** Similarly, if a client successfully reads a wal-index header (i.e. the +** Similarly, if a client successfully reads a wal-index header (i.e. the ** checksum test is successful) and finds that the version field is not ** WALINDEX_MAX_VERSION, then no read-transaction is opened and SQLite ** returns SQLITE_CANTOPEN. @@ -58849,7 +59716,7 @@ typedef struct WalCkptInfo WalCkptInfo; ** ** The szPage value can be any power of 2 between 512 and 32768, inclusive. ** Or it can be 1 to represent a 65536-byte page. The latter case was -** added in 3.7.1 when support for 64K pages was added. +** added in 3.7.1 when support for 64K pages was added. */ struct WalIndexHdr { u32 iVersion; /* Wal-index version */ @@ -58891,7 +59758,7 @@ struct WalIndexHdr { ** There is one entry in aReadMark[] for each reader lock. If a reader ** holds read-lock K, then the value in aReadMark[K] is no greater than ** the mxFrame for that reader. The value READMARK_NOT_USED (0xffffffff) -** for any aReadMark[] means that entry is unused. aReadMark[0] is +** for any aReadMark[] means that entry is unused. aReadMark[0] is ** a special case; its value is never used and it exists as a place-holder ** to avoid having to offset aReadMark[] indexs by one. Readers holding ** WAL_READ_LOCK(0) always ignore the entire WAL and read all content @@ -58911,7 +59778,7 @@ struct WalIndexHdr { ** previous sentence is when nBackfill equals mxFrame (meaning that everything ** in the WAL has been backfilled into the database) then new readers ** will choose aReadMark[0] which has value 0 and hence such reader will -** get all their all content directly from the database file and ignore +** get all their all content directly from the database file and ignore ** the WAL. ** ** Writers normally append new frames to the end of the WAL. However, @@ -58953,14 +59820,14 @@ struct WalCkptInfo { ** big-endian format in the first 4 bytes of a WAL file. ** ** If the LSB is set, then the checksums for each frame within the WAL -** file are calculated by treating all data as an array of 32-bit -** big-endian words. Otherwise, they are calculated by interpreting +** file are calculated by treating all data as an array of 32-bit +** big-endian words. Otherwise, they are calculated by interpreting ** all data as 32-bit little-endian words. */ #define WAL_MAGIC 0x377f0682 /* -** Return the offset of frame iFrame in the write-ahead log file, +** Return the offset of frame iFrame in the write-ahead log file, ** assuming a database page size of szPage bytes. The offset returned ** is to the start of the write-ahead log frame-header. */ @@ -59003,13 +59870,16 @@ struct Wal { #ifdef SQLITE_ENABLE_SNAPSHOT WalIndexHdr *pSnapshot; /* Start transaction here if not NULL */ #endif +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + sqlite3 *db; +#endif }; /* ** Candidate values for Wal.exclusiveMode. */ #define WAL_NORMAL_MODE 0 -#define WAL_EXCLUSIVE_MODE 1 +#define WAL_EXCLUSIVE_MODE 1 #define WAL_HEAPMEMORY_MODE 2 /* @@ -59028,7 +59898,7 @@ typedef u16 ht_slot; /* ** This structure is used to implement an iterator that loops through ** all frames in the WAL in database page order. Where two or more frames -** correspond to the same database page, the iterator visits only the +** correspond to the same database page, the iterator visits only the ** frame most recently written to the WAL (in other words, the frame with ** the largest index). ** @@ -59041,7 +59911,7 @@ typedef u16 ht_slot; ** This functionality is used by the checkpoint code (see walCheckpoint()). */ struct WalIterator { - int iPrior; /* Last result returned from the iterator */ + u32 iPrior; /* Last result returned from the iterator */ int nSegment; /* Number of entries in aSegment[] */ struct WalSegment { int iNext; /* Next slot in aIndex[] not yet returned */ @@ -59064,7 +59934,7 @@ struct WalIterator { #define HASHTABLE_HASH_1 383 /* Should be prime */ #define HASHTABLE_NSLOT (HASHTABLE_NPAGE*2) /* Must be a power of 2 */ -/* +/* ** The block of page numbers associated with the first hash-table in a ** wal-index is smaller than usual. This is so that there is a complete ** hash-table on each aligned 32KB page of the wal-index. @@ -59101,7 +59971,7 @@ static SQLITE_NOINLINE int walIndexPageRealloc( if( pWal->nWiData<=iPage ){ sqlite3_int64 nByte = sizeof(u32*)*(iPage+1); volatile u32 **apNew; - apNew = (volatile u32 **)sqlite3_realloc64((void *)pWal->apWiData, nByte); + apNew = (volatile u32 **)sqlite3Realloc((void *)pWal->apWiData, nByte); if( !apNew ){ *ppPage = 0; return SQLITE_NOMEM_BKPT; @@ -59118,12 +59988,14 @@ static SQLITE_NOINLINE int walIndexPageRealloc( pWal->apWiData[iPage] = (u32 volatile *)sqlite3MallocZero(WALINDEX_PGSZ); if( !pWal->apWiData[iPage] ) rc = SQLITE_NOMEM_BKPT; }else{ - rc = sqlite3OsShmMap(pWal->pDbFd, iPage, WALINDEX_PGSZ, + rc = sqlite3OsShmMap(pWal->pDbFd, iPage, WALINDEX_PGSZ, pWal->writeLock, (void volatile **)&pWal->apWiData[iPage] ); assert( pWal->apWiData[iPage]!=0 || rc!=SQLITE_OK || pWal->writeLock==0 ); testcase( pWal->apWiData[iPage]==0 && rc==SQLITE_OK ); - if( (rc&0xff)==SQLITE_READONLY ){ + if( rc==SQLITE_OK ){ + if( iPage>0 && sqlite3FaultSim(600) ) rc = SQLITE_NOMEM; + }else if( (rc&0xff)==SQLITE_READONLY ){ pWal->readOnly |= WAL_SHM_RDONLY; if( rc==SQLITE_READONLY ){ rc = SQLITE_OK; @@ -59175,7 +60047,7 @@ static volatile WalIndexHdr *walIndexHdr(Wal *pWal){ ) /* -** Generate or extend an 8 byte checksum based on the data in +** Generate or extend an 8 byte checksum based on the data in ** array aByte[] and the initial values of aIn[0] and aIn[1] (or ** initial values of 0 and 0 if aIn==NULL). ** @@ -59222,6 +60094,10 @@ static void walChecksumBytes( aOut[1] = s2; } +/* +** If there is the possibility of concurrent access to the SHM file +** from multiple threads and/or processes, then do a memory barrier. +*/ static void walShmBarrier(Wal *pWal){ if( pWal->exclusiveMode!=WAL_HEAPMEMORY_MODE ){ sqlite3OsShmBarrier(pWal->pDbFd); @@ -59229,11 +60105,24 @@ static void walShmBarrier(Wal *pWal){ } /* +** Add the SQLITE_NO_TSAN as part of the return-type of a function +** definition as a hint that the function contains constructs that +** might give false-positive TSAN warnings. +** +** See tag-20200519-1. +*/ +#if defined(__clang__) && !defined(SQLITE_NO_TSAN) +# define SQLITE_NO_TSAN __attribute__((no_sanitize_thread)) +#else +# define SQLITE_NO_TSAN +#endif + +/* ** Write the header information in pWal->hdr into the wal-index. ** ** The checksum on pWal->hdr is updated before it is written. */ -static void walIndexWriteHdr(Wal *pWal){ +static SQLITE_NO_TSAN void walIndexWriteHdr(Wal *pWal){ volatile WalIndexHdr *aHdr = walIndexHdr(pWal); const int nCksum = offsetof(WalIndexHdr, aCksum); @@ -59241,6 +60130,7 @@ static void walIndexWriteHdr(Wal *pWal){ pWal->hdr.isInit = 1; pWal->hdr.iVersion = WALINDEX_MAX_VERSION; walChecksumBytes(1, (u8*)&pWal->hdr, nCksum, 0, pWal->hdr.aCksum); + /* Possible TSAN false-positive. See tag-20200519-1 */ memcpy((void*)&aHdr[1], (const void*)&pWal->hdr, sizeof(WalIndexHdr)); walShmBarrier(pWal); memcpy((void*)&aHdr[0], (const void*)&pWal->hdr, sizeof(WalIndexHdr)); @@ -59248,11 +60138,11 @@ static void walIndexWriteHdr(Wal *pWal){ /* ** This function encodes a single frame header and writes it to a buffer -** supplied by the caller. A frame-header is made up of a series of +** supplied by the caller. A frame-header is made up of a series of ** 4-byte big-endian integers, as follows: ** ** 0: Page number. -** 4: For commit records, the size of the database image in pages +** 4: For commit records, the size of the database image in pages ** after the commit. For all other records, zero. ** 8: Salt-1 (copied from the wal-header) ** 12: Salt-2 (copied from the wal-header) @@ -59303,7 +60193,7 @@ static int walDecodeFrame( assert( WAL_FRAME_HDRSIZE==24 ); /* A frame is only valid if the salt values in the frame-header - ** match the salt values in the wal-header. + ** match the salt values in the wal-header. */ if( memcmp(&pWal->hdr.aSalt, &aFrame[8], 8)!=0 ){ return 0; @@ -59317,15 +60207,15 @@ static int walDecodeFrame( } /* A frame is only valid if a checksum of the WAL header, - ** all prior frams, the first 16 bytes of this frame-header, - ** and the frame-data matches the checksum in the last 8 + ** all prior frams, the first 16 bytes of this frame-header, + ** and the frame-data matches the checksum in the last 8 ** bytes of this frame-header. */ nativeCksum = (pWal->hdr.bigEndCksum==SQLITE_BIGENDIAN); walChecksumBytes(nativeCksum, aFrame, 8, aCksum, aCksum); walChecksumBytes(nativeCksum, aData, pWal->szPage, aCksum, aCksum); - if( aCksum[0]!=sqlite3Get4byte(&aFrame[16]) - || aCksum[1]!=sqlite3Get4byte(&aFrame[20]) + if( aCksum[0]!=sqlite3Get4byte(&aFrame[16]) + || aCksum[1]!=sqlite3Get4byte(&aFrame[20]) ){ /* Checksum failed. */ return 0; @@ -59360,7 +60250,7 @@ static const char *walLockName(int lockIdx){ } } #endif /*defined(SQLITE_TEST) || defined(SQLITE_DEBUG) */ - + /* ** Set or release locks on the WAL. Locks are either shared or exclusive. @@ -59376,7 +60266,7 @@ static int walLockShared(Wal *pWal, int lockIdx){ SQLITE_SHM_LOCK | SQLITE_SHM_SHARED); WALTRACE(("WAL%p: acquire SHARED-%s %s\n", pWal, walLockName(lockIdx), rc ? "failed" : "ok")); - VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && rc!=SQLITE_BUSY); ) + VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) return rc; } static void walUnlockShared(Wal *pWal, int lockIdx){ @@ -59392,7 +60282,7 @@ static int walLockExclusive(Wal *pWal, int lockIdx, int n){ SQLITE_SHM_LOCK | SQLITE_SHM_EXCLUSIVE); WALTRACE(("WAL%p: acquire EXCLUSIVE-%s cnt=%d %s\n", pWal, walLockName(lockIdx), n, rc ? "failed" : "ok")); - VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && rc!=SQLITE_BUSY); ) + VVA_ONLY( pWal->lockError = (u8)(rc!=SQLITE_OK && (rc&0xFF)!=SQLITE_BUSY); ) return rc; } static void walUnlockExclusive(Wal *pWal, int lockIdx, int n){ @@ -59429,15 +60319,15 @@ struct WalHashLoc { u32 iZero; /* One less than the frame number of first indexed*/ }; -/* +/* ** Return pointers to the hash table and page number array stored on ** page iHash of the wal-index. The wal-index is broken into 32KB pages ** numbered starting from 0. ** ** Set output variable pLoc->aHash to point to the start of the hash table -** in the wal-index file. Set pLoc->iZero to one less than the frame +** in the wal-index file. Set pLoc->iZero to one less than the frame ** number of the first frame indexed by this hash table. If a -** slot in the hash table is set to N, it refers to frame number +** slot in the hash table is set to N, it refers to frame number ** (pLoc->iZero+N) in the log. ** ** Finally, set pLoc->aPgno so that pLoc->aPgno[1] is the page number of the @@ -59469,7 +60359,7 @@ static int walHashGet( /* ** Return the number of the wal-index page that contains the hash-table ** and page-number array that contain entries corresponding to WAL frame -** iFrame. The wal-index is broken up into 32KB pages. Wal-index pages +** iFrame. The wal-index is broken up into 32KB pages. Wal-index pages ** are numbered starting from 0. */ static int walFramePage(u32 iFrame){ @@ -59480,6 +60370,7 @@ static int walFramePage(u32 iFrame){ && (iHash>=2 || iFrame<=HASHTABLE_NPAGE_ONE+HASHTABLE_NPAGE) && (iHash<=2 || iFrame>(HASHTABLE_NPAGE_ONE+2*HASHTABLE_NPAGE)) ); + assert( iHash>=0 ); return iHash; } @@ -59520,7 +60411,7 @@ static void walCleanupHash(Wal *pWal){ if( pWal->hdr.mxFrame==0 ) return; - /* Obtain pointers to the hash-table and page-number array containing + /* Obtain pointers to the hash-table and page-number array containing ** the entry that corresponds to frame pWal->hdr.mxFrame. It is guaranteed ** that the page said hash-table and array reside on is already mapped.(1) */ @@ -59539,9 +60430,9 @@ static void walCleanupHash(Wal *pWal){ sLoc.aHash[i] = 0; } } - + /* Zero the entries in the aPgno array that correspond to frames with - ** frame numbers greater than pWal->hdr.mxFrame. + ** frame numbers greater than pWal->hdr.mxFrame. */ nByte = (int)((char *)sLoc.aHash - (char *)&sLoc.aPgno[iLimit+1]); memset((void *)&sLoc.aPgno[iLimit+1], 0, nByte); @@ -59584,9 +60475,9 @@ static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){ idx = iFrame - sLoc.iZero; assert( idx <= HASHTABLE_NSLOT/2 + 1 ); - + /* If this is the first entry to be added to this hash-table, zero the - ** entire hash table and aPgno[] array before proceeding. + ** entire hash table and aPgno[] array before proceeding. */ if( idx==1 ){ int nByte = (int)((u8 *)&sLoc.aHash[HASHTABLE_NSLOT] @@ -59596,8 +60487,8 @@ static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){ /* If the entry in aPgno[] is already set, then the previous writer ** must have exited unexpectedly in the middle of a transaction (after - ** writing one or more dirty pages to the WAL to free up memory). - ** Remove the remnants of that writers uncommitted transaction from + ** writing one or more dirty pages to the WAL to free up memory). + ** Remove the remnants of that writers uncommitted transaction from ** the hash-table before writing any new entries. */ if( sLoc.aPgno[idx] ){ @@ -59611,7 +60502,7 @@ static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){ if( (nCollide--)==0 ) return SQLITE_CORRUPT_BKPT; } sLoc.aPgno[idx] = iPage; - sLoc.aHash[iKey] = (ht_slot)idx; + AtomicStore(&sLoc.aHash[iKey], (ht_slot)idx); #ifdef SQLITE_ENABLE_EXPENSIVE_ASSERT /* Verify that the number of entries in the hash table exactly equals @@ -59649,7 +60540,7 @@ static int walIndexAppend(Wal *pWal, u32 iFrame, u32 iPage){ /* -** Recover the wal-index by reading the write-ahead log file. +** Recover the wal-index by reading the write-ahead log file. ** ** This routine first tries to establish an exclusive lock on the ** wal-index to prevent other threads/processes from doing anything @@ -59676,12 +60567,6 @@ static int walIndexRecover(Wal *pWal){ assert( pWal->writeLock ); iLock = WAL_ALL_BUT_WRITE + pWal->ckptLock; rc = walLockExclusive(pWal, iLock, WAL_READ_LOCK(0)-iLock); - if( rc==SQLITE_OK ){ - rc = walLockExclusive(pWal, WAL_READ_LOCK(1), WAL_NREADER-1); - if( rc!=SQLITE_OK ){ - walUnlockExclusive(pWal, iLock, WAL_READ_LOCK(0)-iLock); - } - } if( rc ){ return rc; } @@ -59697,15 +60582,16 @@ static int walIndexRecover(Wal *pWal){ if( nSize>WAL_HDRSIZE ){ u8 aBuf[WAL_HDRSIZE]; /* Buffer to load WAL header into */ + u32 *aPrivate = 0; /* Heap copy of *-shm hash being populated */ u8 *aFrame = 0; /* Malloc'd buffer to load entire frame */ int szFrame; /* Number of bytes in buffer aFrame[] */ u8 *aData; /* Pointer to data part of aFrame buffer */ - int iFrame; /* Index of last frame read */ - i64 iOffset; /* Next offset to read from log file */ int szPage; /* Page size according to the log */ u32 magic; /* Magic value read from WAL header */ u32 version; /* Magic value read from WAL header */ int isValid; /* True if this frame is valid */ + u32 iPg; /* Current 32KB wal-index page */ + u32 iLastFrame; /* Last frame in wal, based on nSize alone */ /* Read in the WAL header. */ rc = sqlite3OsRead(pWal->pWalFd, aBuf, WAL_HDRSIZE, 0); @@ -59714,16 +60600,16 @@ static int walIndexRecover(Wal *pWal){ } /* If the database page size is not a power of two, or is greater than - ** SQLITE_MAX_PAGE_SIZE, conclude that the WAL file contains no valid + ** SQLITE_MAX_PAGE_SIZE, conclude that the WAL file contains no valid ** data. Similarly, if the 'magic' value is invalid, ignore the whole ** WAL file. */ magic = sqlite3Get4byte(&aBuf[0]); szPage = sqlite3Get4byte(&aBuf[8]); - if( (magic&0xFFFFFFFE)!=WAL_MAGIC - || szPage&(szPage-1) - || szPage>SQLITE_MAX_PAGE_SIZE - || szPage<512 + if( (magic&0xFFFFFFFE)!=WAL_MAGIC + || szPage&(szPage-1) + || szPage>SQLITE_MAX_PAGE_SIZE + || szPage<512 ){ goto finished; } @@ -59733,7 +60619,7 @@ static int walIndexRecover(Wal *pWal){ memcpy(&pWal->hdr.aSalt, &aBuf[16], 8); /* Verify that the WAL header checksum is correct */ - walChecksumBytes(pWal->hdr.bigEndCksum==SQLITE_BIGENDIAN, + walChecksumBytes(pWal->hdr.bigEndCksum==SQLITE_BIGENDIAN, aBuf, WAL_HDRSIZE-2*4, 0, pWal->hdr.aFrameCksum ); if( pWal->hdr.aFrameCksum[0]!=sqlite3Get4byte(&aBuf[24]) @@ -59752,38 +60638,82 @@ static int walIndexRecover(Wal *pWal){ /* Malloc a buffer to read frames into. */ szFrame = szPage + WAL_FRAME_HDRSIZE; - aFrame = (u8 *)sqlite3_malloc64(szFrame); + aFrame = (u8 *)sqlite3_malloc64(szFrame + WALINDEX_PGSZ); if( !aFrame ){ rc = SQLITE_NOMEM_BKPT; goto recovery_error; } aData = &aFrame[WAL_FRAME_HDRSIZE]; + aPrivate = (u32*)&aData[szPage]; /* Read all frames from the log file. */ - iFrame = 0; - for(iOffset=WAL_HDRSIZE; (iOffset+szFrame)<=nSize; iOffset+=szFrame){ - u32 pgno; /* Database page number for frame */ - u32 nTruncate; /* dbsize field from frame header */ - - /* Read and decode the next log frame. */ - iFrame++; - rc = sqlite3OsRead(pWal->pWalFd, aFrame, szFrame, iOffset); - if( rc!=SQLITE_OK ) break; - isValid = walDecodeFrame(pWal, &pgno, &nTruncate, aData, aFrame); - if( !isValid ) break; - rc = walIndexAppend(pWal, iFrame, pgno); - if( rc!=SQLITE_OK ) break; + iLastFrame = (nSize - WAL_HDRSIZE) / szFrame; + for(iPg=0; iPg<=(u32)walFramePage(iLastFrame); iPg++){ + u32 *aShare; + u32 iFrame; /* Index of last frame read */ + u32 iLast = MIN(iLastFrame, HASHTABLE_NPAGE_ONE+iPg*HASHTABLE_NPAGE); + u32 iFirst = 1 + (iPg==0?0:HASHTABLE_NPAGE_ONE+(iPg-1)*HASHTABLE_NPAGE); + u32 nHdr, nHdr32; + rc = walIndexPage(pWal, iPg, (volatile u32**)&aShare); + if( rc ) break; + pWal->apWiData[iPg] = aPrivate; + + for(iFrame=iFirst; iFrame<=iLast; iFrame++){ + i64 iOffset = walFrameOffset(iFrame, szPage); + u32 pgno; /* Database page number for frame */ + u32 nTruncate; /* dbsize field from frame header */ - /* If nTruncate is non-zero, this is a commit record. */ - if( nTruncate ){ - pWal->hdr.mxFrame = iFrame; - pWal->hdr.nPage = nTruncate; - pWal->hdr.szPage = (u16)((szPage&0xff00) | (szPage>>16)); - testcase( szPage<=32768 ); - testcase( szPage>=65536 ); - aFrameCksum[0] = pWal->hdr.aFrameCksum[0]; - aFrameCksum[1] = pWal->hdr.aFrameCksum[1]; + /* Read and decode the next log frame. */ + rc = sqlite3OsRead(pWal->pWalFd, aFrame, szFrame, iOffset); + if( rc!=SQLITE_OK ) break; + isValid = walDecodeFrame(pWal, &pgno, &nTruncate, aData, aFrame); + if( !isValid ) break; + rc = walIndexAppend(pWal, iFrame, pgno); + if( NEVER(rc!=SQLITE_OK) ) break; + + /* If nTruncate is non-zero, this is a commit record. */ + if( nTruncate ){ + pWal->hdr.mxFrame = iFrame; + pWal->hdr.nPage = nTruncate; + pWal->hdr.szPage = (u16)((szPage&0xff00) | (szPage>>16)); + testcase( szPage<=32768 ); + testcase( szPage>=65536 ); + aFrameCksum[0] = pWal->hdr.aFrameCksum[0]; + aFrameCksum[1] = pWal->hdr.aFrameCksum[1]; + } + } + pWal->apWiData[iPg] = aShare; + nHdr = (iPg==0 ? WALINDEX_HDR_SIZE : 0); + nHdr32 = nHdr / sizeof(u32); +#ifndef SQLITE_SAFER_WALINDEX_RECOVERY + /* Memcpy() should work fine here, on all reasonable implementations. + ** Technically, memcpy() might change the destination to some + ** intermediate value before setting to the final value, and that might + ** cause a concurrent reader to malfunction. Memcpy() is allowed to + ** do that, according to the spec, but no memcpy() implementation that + ** we know of actually does that, which is why we say that memcpy() + ** is safe for this. Memcpy() is certainly a lot faster. + */ + memcpy(&aShare[nHdr32], &aPrivate[nHdr32], WALINDEX_PGSZ-nHdr); +#else + /* In the event that some platform is found for which memcpy() + ** changes the destination to some intermediate value before + ** setting the final value, this alternative copy routine is + ** provided. + */ + { + int i; + for(i=nHdr32; i<WALINDEX_PGSZ/sizeof(u32); i++){ + if( aShare[i]!=aPrivate[i] ){ + /* Atomic memory operations are not required here because if + ** the value needs to be changed, that means it is not being + ** accessed concurrently. */ + aShare[i] = aPrivate[i]; + } + } } +#endif + if( iFrame<=iLast ) break; } sqlite3_free(aFrame); @@ -59797,16 +60727,27 @@ finished: pWal->hdr.aFrameCksum[1] = aFrameCksum[1]; walIndexWriteHdr(pWal); - /* Reset the checkpoint-header. This is safe because this thread is - ** currently holding locks that exclude all other readers, writers and - ** checkpointers. + /* Reset the checkpoint-header. This is safe because this thread is + ** currently holding locks that exclude all other writers and + ** checkpointers. Then set the values of read-mark slots 1 through N. */ pInfo = walCkptInfo(pWal); pInfo->nBackfill = 0; pInfo->nBackfillAttempted = pWal->hdr.mxFrame; pInfo->aReadMark[0] = 0; - for(i=1; i<WAL_NREADER; i++) pInfo->aReadMark[i] = READMARK_NOT_USED; - if( pWal->hdr.mxFrame ) pInfo->aReadMark[1] = pWal->hdr.mxFrame; + for(i=1; i<WAL_NREADER; i++){ + rc = walLockExclusive(pWal, WAL_READ_LOCK(i), 1); + if( rc==SQLITE_OK ){ + if( i==1 && pWal->hdr.mxFrame ){ + pInfo->aReadMark[i] = pWal->hdr.mxFrame; + }else{ + pInfo->aReadMark[i] = READMARK_NOT_USED; + } + walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); + }else if( rc!=SQLITE_BUSY ){ + goto recovery_error; + } + } /* If more than one frame was recovered from the log file, report an ** event via sqlite3_log(). This is to help with identifying performance @@ -59824,7 +60765,6 @@ finished: recovery_error: WALTRACE(("WAL%p: recovery %s\n", pWal, rc ? "failed" : "ok")); walUnlockExclusive(pWal, iLock, WAL_READ_LOCK(0)-iLock); - walUnlockExclusive(pWal, WAL_READ_LOCK(1), WAL_NREADER-1); return rc; } @@ -59844,8 +60784,8 @@ static void walIndexClose(Wal *pWal, int isDelete){ } } -/* -** Open a connection to the WAL file zWalName. The database file must +/* +** Open a connection to the WAL file zWalName. The database file must ** already be opened on connection pDbFd. The buffer that zWalName points ** to must remain valid for the lifetime of the returned Wal* handle. ** @@ -59855,7 +60795,7 @@ static void walIndexClose(Wal *pWal, int isDelete){ ** were to do this just after this client opened one of these files, the ** system would be badly broken. ** -** If the log file is successfully opened, SQLITE_OK is returned and +** If the log file is successfully opened, SQLITE_OK is returned and ** *ppWal is set to point to a new WAL handle. If an error occurs, ** an SQLite error code is returned and *ppWal is left unmodified. */ @@ -60019,7 +60959,7 @@ static void walMerge( ht_slot logpage; Pgno dbpage; - if( (iLeft<nLeft) + if( (iLeft<nLeft) && (iRight>=nRight || aContent[aLeft[iLeft]]<aContent[aRight[iRight]]) ){ logpage = aLeft[iLeft++]; @@ -60117,7 +61057,7 @@ static void walMergesort( #endif } -/* +/* ** Free an iterator allocated by walIteratorInit(). */ static void walIteratorFree(WalIterator *p){ @@ -60125,7 +61065,7 @@ static void walIteratorFree(WalIterator *p){ } /* -** Construct a WalInterator object that can be used to loop over all +** Construct a WalInterator object that can be used to loop over all ** pages in the WAL following frame nBackfill in ascending order. Frames ** nBackfill or earlier may be included - excluding them is an optimization ** only. The caller must hold the checkpoint lock. @@ -60154,7 +61094,7 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){ /* Allocate space for the WalIterator object. */ nSegment = walFramePage(iLast) + 1; - nByte = sizeof(WalIterator) + nByte = sizeof(WalIterator) + (nSegment-1)*sizeof(struct WalSegment) + iLast*sizeof(ht_slot); p = (WalIterator *)sqlite3_malloc64(nByte); @@ -60191,7 +61131,7 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){ } aIndex = &((ht_slot *)&p->aSegment[p->nSegment])[sLoc.iZero]; sLoc.iZero++; - + for(j=0; j<nEntry; j++){ aIndex[j] = (ht_slot)j; } @@ -60212,6 +61152,89 @@ static int walIteratorInit(Wal *pWal, u32 nBackfill, WalIterator **pp){ return rc; } +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT +/* +** Attempt to enable blocking locks. Blocking locks are enabled only if (a) +** they are supported by the VFS, and (b) the database handle is configured +** with a busy-timeout. Return 1 if blocking locks are successfully enabled, +** or 0 otherwise. +*/ +static int walEnableBlocking(Wal *pWal){ + int res = 0; + if( pWal->db ){ + int tmout = pWal->db->busyTimeout; + if( tmout ){ + int rc; + rc = sqlite3OsFileControl( + pWal->pDbFd, SQLITE_FCNTL_LOCK_TIMEOUT, (void*)&tmout + ); + res = (rc==SQLITE_OK); + } + } + return res; +} + +/* +** Disable blocking locks. +*/ +static void walDisableBlocking(Wal *pWal){ + int tmout = 0; + sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_LOCK_TIMEOUT, (void*)&tmout); +} + +/* +** If parameter bLock is true, attempt to enable blocking locks, take +** the WRITER lock, and then disable blocking locks. If blocking locks +** cannot be enabled, no attempt to obtain the WRITER lock is made. Return +** an SQLite error code if an error occurs, or SQLITE_OK otherwise. It is not +** an error if blocking locks can not be enabled. +** +** If the bLock parameter is false and the WRITER lock is held, release it. +*/ +SQLITE_PRIVATE int sqlite3WalWriteLock(Wal *pWal, int bLock){ + int rc = SQLITE_OK; + assert( pWal->readLock<0 || bLock==0 ); + if( bLock ){ + assert( pWal->db ); + if( walEnableBlocking(pWal) ){ + rc = walLockExclusive(pWal, WAL_WRITE_LOCK, 1); + if( rc==SQLITE_OK ){ + pWal->writeLock = 1; + } + walDisableBlocking(pWal); + } + }else if( pWal->writeLock ){ + walUnlockExclusive(pWal, WAL_WRITE_LOCK, 1); + pWal->writeLock = 0; + } + return rc; +} + +/* +** Set the database handle used to determine if blocking locks are required. +*/ +SQLITE_PRIVATE void sqlite3WalDb(Wal *pWal, sqlite3 *db){ + pWal->db = db; +} + +/* +** Take an exclusive WRITE lock. Blocking if so configured. +*/ +static int walLockWriter(Wal *pWal){ + int rc; + walEnableBlocking(pWal); + rc = walLockExclusive(pWal, WAL_WRITE_LOCK, 1); + walDisableBlocking(pWal); + return rc; +} +#else +# define walEnableBlocking(x) 0 +# define walDisableBlocking(x) +# define walLockWriter(pWal) walLockExclusive((pWal), WAL_WRITE_LOCK, 1) +# define sqlite3WalDb(pWal, db) +#endif /* ifdef SQLITE_ENABLE_SETLK_TIMEOUT */ + + /* ** Attempt to obtain the exclusive WAL lock defined by parameters lockIdx and ** n. If the attempt fails and parameter xBusy is not NULL, then it is a @@ -60229,6 +61252,12 @@ static int walBusyLock( do { rc = walLockExclusive(pWal, lockIdx, n); }while( xBusy && rc==SQLITE_BUSY && xBusy(pBusyArg) ); +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + if( rc==SQLITE_BUSY_TIMEOUT ){ + walDisableBlocking(pWal); + rc = SQLITE_BUSY; + } +#endif return rc; } @@ -60253,8 +61282,8 @@ static int walPagesize(Wal *pWal){ ** client to write to the database (which may be this one) does so by ** writing frames into the start of the log file. ** -** The value of parameter salt1 is used as the aSalt[1] value in the -** new wal-index header. It should be passed a pseudo-random value (i.e. +** The value of parameter salt1 is used as the aSalt[1] value in the +** new wal-index header. It should be passed a pseudo-random value (i.e. ** one obtained from sqlite3_randomness()). */ static void walRestartHdr(Wal *pWal, u32 salt1){ @@ -60266,7 +61295,7 @@ static void walRestartHdr(Wal *pWal, u32 salt1){ sqlite3Put4byte((u8*)&aSalt[0], 1 + sqlite3Get4byte((u8*)&aSalt[0])); memcpy(&pWal->hdr.aSalt[1], &salt1, 4); walIndexWriteHdr(pWal); - pInfo->nBackfill = 0; + AtomicStore(&pInfo->nBackfill, 0); pInfo->nBackfillAttempted = 0; pInfo->aReadMark[1] = 0; for(i=2; i<WAL_NREADER; i++) pInfo->aReadMark[i] = READMARK_NOT_USED; @@ -60282,8 +61311,8 @@ static void walRestartHdr(Wal *pWal, u32 salt1){ ** that a concurrent reader might be using. ** ** All I/O barrier operations (a.k.a fsyncs) occur in this routine when -** SQLite is in WAL-mode in synchronous=NORMAL. That means that if -** checkpoints are always run by a background thread or background +** SQLite is in WAL-mode in synchronous=NORMAL. That means that if +** checkpoints are always run by a background thread or background ** process, foreground threads will never block on a lengthy fsync call. ** ** Fsync is called on the WAL before writing content out of the WAL and @@ -60296,7 +61325,7 @@ static void walRestartHdr(Wal *pWal, u32 salt1){ ** database file. ** ** This routine uses and updates the nBackfill field of the wal-index header. -** This is the only routine that will increase the value of nBackfill. +** This is the only routine that will increase the value of nBackfill. ** (A WAL reset or recovery will revert nBackfill to zero, but not increase ** its value.) ** @@ -60341,20 +61370,13 @@ static int walCheckpoint( mxSafeFrame = pWal->hdr.mxFrame; mxPage = pWal->hdr.nPage; for(i=1; i<WAL_NREADER; i++){ - /* Thread-sanitizer reports that the following is an unsafe read, - ** as some other thread may be in the process of updating the value - ** of the aReadMark[] slot. The assumption here is that if that is - ** happening, the other client may only be increasing the value, - ** not decreasing it. So assuming either that either the "old" or - ** "new" version of the value is read, and not some arbitrary value - ** that would never be written by a real client, things are still - ** safe. */ - u32 y = pInfo->aReadMark[i]; + u32 y = AtomicLoad(pInfo->aReadMark+i); if( mxSafeFrame>y ){ assert( y<=pWal->hdr.mxFrame ); rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1); if( rc==SQLITE_OK ){ - pInfo->aReadMark[i] = (i==1 ? mxSafeFrame : READMARK_NOT_USED); + u32 iMark = (i==1 ? mxSafeFrame : READMARK_NOT_USED); + AtomicStore(pInfo->aReadMark+i, iMark); walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); }else if( rc==SQLITE_BUSY ){ mxSafeFrame = y; @@ -60372,7 +61394,7 @@ static int walCheckpoint( } if( pIter - && (rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(0),1))==SQLITE_OK + && (rc = walBusyLock(pWal,xBusy,pBusyArg,WAL_READ_LOCK(0),1))==SQLITE_OK ){ u32 nBackfill = pInfo->nBackfill; @@ -60387,18 +61409,27 @@ static int walCheckpoint( if( rc==SQLITE_OK ){ i64 nReq = ((i64)mxPage * szPage); i64 nSize; /* Current size of database file */ + sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_CKPT_START, 0); rc = sqlite3OsFileSize(pWal->pDbFd, &nSize); if( rc==SQLITE_OK && nSize<nReq ){ - sqlite3OsFileControlHint(pWal->pDbFd, SQLITE_FCNTL_SIZE_HINT, &nReq); + if( (nSize+65536+(i64)pWal->hdr.mxFrame*szPage)<nReq ){ + /* If the size of the final database is larger than the current + ** database plus the amount of data in the wal file, plus the + ** maximum size of the pending-byte page (65536 bytes), then + ** must be corruption somewhere. */ + rc = SQLITE_CORRUPT_BKPT; + }else{ + sqlite3OsFileControlHint(pWal->pDbFd, SQLITE_FCNTL_SIZE_HINT,&nReq); + } } - } + } /* Iterate through the contents of the WAL, copying data to the db file */ while( rc==SQLITE_OK && 0==walIteratorNext(pIter, &iDbpage, &iFrame) ){ i64 iOffset; assert( walFramePgno(pWal, iFrame)==iDbpage ); - if( db->u1.isInterrupted ){ + if( AtomicLoad(&db->u1.isInterrupted) ){ rc = db->mallocFailed ? SQLITE_NOMEM_BKPT : SQLITE_INTERRUPT; break; } @@ -60414,6 +61445,7 @@ static int walCheckpoint( rc = sqlite3OsWrite(pWal->pDbFd, zBuf, szPage, iOffset); if( rc!=SQLITE_OK ) break; } + sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_CKPT_DONE, 0); /* If work was actually accomplished... */ if( rc==SQLITE_OK ){ @@ -60426,7 +61458,7 @@ static int walCheckpoint( } } if( rc==SQLITE_OK ){ - pInfo->nBackfill = mxSafeFrame; + AtomicStore(&pInfo->nBackfill, mxSafeFrame); } } @@ -60442,8 +61474,8 @@ static int walCheckpoint( } /* If this is an SQLITE_CHECKPOINT_RESTART or TRUNCATE operation, and the - ** entire wal file has been copied into the database file, then block - ** until all readers have finished using the wal file. This ensures that + ** entire wal file has been copied into the database file, then block + ** until all readers have finished using the wal file. This ensures that ** the next process to write to the database restarts the wal file. */ if( rc==SQLITE_OK && eMode!=SQLITE_CHECKPOINT_PASSIVE ){ @@ -60467,7 +61499,7 @@ static int walCheckpoint( ** writer clients should see that the entire log file has been ** checkpointed and behave accordingly. This seems unsafe though, ** as it would leave the system in a state where the contents of - ** the wal-index header do not match the contents of the + ** the wal-index header do not match the contents of the ** file-system. To avoid this, update the wal-index header to ** indicate that the log file contains zero valid frames. */ walRestartHdr(pWal, salt1); @@ -60529,7 +61561,7 @@ SQLITE_PRIVATE int sqlite3WalClose( if( pWal->exclusiveMode==WAL_NORMAL_MODE ){ pWal->exclusiveMode = WAL_EXCLUSIVE_MODE; } - rc = sqlite3WalCheckpoint(pWal, db, + rc = sqlite3WalCheckpoint(pWal, db, SQLITE_CHECKPOINT_PASSIVE, 0, 0, sync_flags, nBuf, zBuf, 0, 0 ); if( rc==SQLITE_OK ){ @@ -60585,7 +61617,7 @@ SQLITE_PRIVATE int sqlite3WalClose( ** If the checksum cannot be verified return non-zero. If the header ** is read successfully and the checksum verified, return zero. */ -static int walIndexTryHdr(Wal *pWal, int *pChanged){ +static SQLITE_NO_TSAN int walIndexTryHdr(Wal *pWal, int *pChanged){ u32 aCksum[2]; /* Checksum on the header content */ WalIndexHdr h1, h2; /* Two copies of the header content */ WalIndexHdr volatile *aHdr; /* Header in shared memory */ @@ -60598,19 +61630,25 @@ static int walIndexTryHdr(Wal *pWal, int *pChanged){ ** meaning it is possible that an inconsistent snapshot is read ** from the file. If this happens, return non-zero. ** + ** tag-20200519-1: ** There are two copies of the header at the beginning of the wal-index. ** When reading, read [0] first then [1]. Writes are in the reverse order. ** Memory barriers are used to prevent the compiler or the hardware from - ** reordering the reads and writes. + ** reordering the reads and writes. TSAN and similar tools can sometimes + ** give false-positive warnings about these accesses because the tools do not + ** account for the double-read and the memory barrier. The use of mutexes + ** here would be problematic as the memory being accessed is potentially + ** shared among multiple processes and not all mutex implementions work + ** reliably in that environment. */ aHdr = walIndexHdr(pWal); - memcpy(&h1, (void *)&aHdr[0], sizeof(h1)); + memcpy(&h1, (void *)&aHdr[0], sizeof(h1)); /* Possible TSAN false-positive */ walShmBarrier(pWal); memcpy(&h2, (void *)&aHdr[1], sizeof(h2)); if( memcmp(&h1, &h2, sizeof(h1))!=0 ){ return 1; /* Dirty read */ - } + } if( h1.isInit==0 ){ return 1; /* Malformed header - probably all zeros */ } @@ -60646,7 +61684,7 @@ static int walIndexTryHdr(Wal *pWal, int *pChanged){ ** changed by this operation. If pWal->hdr is unchanged, set *pChanged ** to 0. ** -** If the wal-index header is successfully read, return SQLITE_OK. +** If the wal-index header is successfully read, return SQLITE_OK. ** Otherwise an SQLite error code. */ static int walIndexReadHdr(Wal *pWal, int *pChanged){ @@ -60654,7 +61692,7 @@ static int walIndexReadHdr(Wal *pWal, int *pChanged){ int badHdr; /* True if a header read failed */ volatile u32 *page0; /* Chunk of wal-index containing header */ - /* Ensure that page 0 of the wal-index (the page that contains the + /* Ensure that page 0 of the wal-index (the page that contains the ** wal-index header) is mapped. Return early if an error occurs here. */ assert( pChanged ); @@ -60686,7 +61724,7 @@ static int walIndexReadHdr(Wal *pWal, int *pChanged){ /* If the first page of the wal-index has been mapped, try to read the ** wal-index header immediately, without holding any lock. This usually - ** works, but may fail if the wal-index header is corrupt or currently + ** works, but may fail if the wal-index header is corrupt or currently ** being modified by another thread or process. */ badHdr = (page0 ? walIndexTryHdr(pWal, pChanged) : 1); @@ -60694,28 +61732,32 @@ static int walIndexReadHdr(Wal *pWal, int *pChanged){ /* If the first attempt failed, it might have been due to a race ** with a writer. So get a WRITE lock and try again. */ - assert( badHdr==0 || pWal->writeLock==0 ); if( badHdr ){ if( pWal->bShmUnreliable==0 && (pWal->readOnly & WAL_SHM_RDONLY) ){ if( SQLITE_OK==(rc = walLockShared(pWal, WAL_WRITE_LOCK)) ){ walUnlockShared(pWal, WAL_WRITE_LOCK); rc = SQLITE_READONLY_RECOVERY; } - }else if( SQLITE_OK==(rc = walLockExclusive(pWal, WAL_WRITE_LOCK, 1)) ){ - pWal->writeLock = 1; - if( SQLITE_OK==(rc = walIndexPage(pWal, 0, &page0)) ){ - badHdr = walIndexTryHdr(pWal, pChanged); - if( badHdr ){ - /* If the wal-index header is still malformed even while holding - ** a WRITE lock, it can only mean that the header is corrupted and - ** needs to be reconstructed. So run recovery to do exactly that. - */ - rc = walIndexRecover(pWal); - *pChanged = 1; + }else{ + int bWriteLock = pWal->writeLock; + if( bWriteLock || SQLITE_OK==(rc = walLockWriter(pWal)) ){ + pWal->writeLock = 1; + if( SQLITE_OK==(rc = walIndexPage(pWal, 0, &page0)) ){ + badHdr = walIndexTryHdr(pWal, pChanged); + if( badHdr ){ + /* If the wal-index header is still malformed even while holding + ** a WRITE lock, it can only mean that the header is corrupted and + ** needs to be reconstructed. So run recovery to do exactly that. + */ + rc = walIndexRecover(pWal); + *pChanged = 1; + } + } + if( bWriteLock==0 ){ + pWal->writeLock = 0; + walUnlockExclusive(pWal, WAL_WRITE_LOCK, 1); } } - pWal->writeLock = 0; - walUnlockExclusive(pWal, WAL_WRITE_LOCK, 1); } } @@ -60757,15 +61799,15 @@ static int walIndexReadHdr(Wal *pWal, int *pChanged){ ** ** The *-wal file has been read and an appropriate wal-index has been ** constructed in pWal->apWiData[] using heap memory instead of shared -** memory. +** memory. ** ** If this function returns SQLITE_OK, then the read transaction has -** been successfully opened. In this case output variable (*pChanged) +** been successfully opened. In this case output variable (*pChanged) ** is set to true before returning if the caller should discard the -** contents of the page cache before proceeding. Or, if it returns -** WAL_RETRY, then the heap memory wal-index has been discarded and -** the caller should retry opening the read transaction from the -** beginning (including attempting to map the *-shm file). +** contents of the page cache before proceeding. Or, if it returns +** WAL_RETRY, then the heap memory wal-index has been discarded and +** the caller should retry opening the read transaction from the +** beginning (including attempting to map the *-shm file). ** ** If an error occurs, an SQLite error code is returned. */ @@ -60876,8 +61918,8 @@ static int walBeginShmUnreliable(Wal *pWal, int *pChanged){ ** the caller. */ aSaveCksum[0] = pWal->hdr.aFrameCksum[0]; aSaveCksum[1] = pWal->hdr.aFrameCksum[1]; - for(iOffset=walFrameOffset(pWal->hdr.mxFrame+1, pWal->hdr.szPage); - iOffset+szFrame<=szWal; + for(iOffset=walFrameOffset(pWal->hdr.mxFrame+1, pWal->hdr.szPage); + iOffset+szFrame<=szWal; iOffset+=szFrame ){ u32 pgno; /* Database page number for frame */ @@ -60925,10 +61967,10 @@ static int walBeginShmUnreliable(Wal *pWal, int *pChanged){ ** ** The useWal parameter is true to force the use of the WAL and disable ** the case where the WAL is bypassed because it has been completely -** checkpointed. If useWal==0 then this routine calls walIndexReadHdr() -** to make a copy of the wal-index header into pWal->hdr. If the -** wal-index header has changed, *pChanged is set to 1 (as an indication -** to the caller that the local page cache is obsolete and needs to be +** checkpointed. If useWal==0 then this routine calls walIndexReadHdr() +** to make a copy of the wal-index header into pWal->hdr. If the +** wal-index header has changed, *pChanged is set to 1 (as an indication +** to the caller that the local page cache is obsolete and needs to be ** flushed.) When useWal==1, the wal-index header is assumed to already ** be loaded and the pChanged parameter is unused. ** @@ -60943,7 +61985,7 @@ static int walBeginShmUnreliable(Wal *pWal, int *pChanged){ ** bad luck when there is lots of contention for the wal-index, but that ** possibility is so small that it can be safely neglected, we believe. ** -** On success, this routine obtains a read lock on +** On success, this routine obtains a read lock on ** WAL_READ_LOCK(pWal->readLock). The pWal->readLock integer is ** in the range 0 <= pWal->readLock < WAL_NREADER. If pWal->readLock==(-1) ** that means the Wal does not hold any read lock. The reader must not @@ -60981,16 +62023,16 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ ** ** Circumstances that cause a RETRY should only last for the briefest ** instances of time. No I/O or other system calls are done while the - ** locks are held, so the locks should not be held for very long. But + ** locks are held, so the locks should not be held for very long. But ** if we are unlucky, another process that is holding a lock might get - ** paged out or take a page-fault that is time-consuming to resolve, + ** paged out or take a page-fault that is time-consuming to resolve, ** during the few nanoseconds that it is holding the lock. In that case, ** it might take longer than normal for the lock to free. ** ** After 5 RETRYs, we begin calling sqlite3OsSleep(). The first few ** calls to sqlite3OsSleep() have a delay of 1 microsecond. Really this ** is more of a scheduler yield than an actual delay. But on the 10th - ** an subsequent retries, the delays start becoming longer and longer, + ** an subsequent retries, the delays start becoming longer and longer, ** so that on the 100th (and last) RETRY we delay for 323 milliseconds. ** The total delay time before giving up is less than 10 seconds. */ @@ -61021,9 +62063,9 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ if( pWal->apWiData[0]==0 ){ /* This branch is taken when the xShmMap() method returns SQLITE_BUSY. ** We assume this is a transient condition, so return WAL_RETRY. The - ** xShmMap() implementation used by the default unix and win32 VFS - ** modules may return SQLITE_BUSY due to a race condition in the - ** code that determines whether or not the shared-memory region + ** xShmMap() implementation used by the default unix and win32 VFS + ** modules may return SQLITE_BUSY due to a race condition in the + ** code that determines whether or not the shared-memory region ** must be zeroed before the requested page is returned. */ rc = WAL_RETRY; @@ -61045,7 +62087,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ assert( pWal->nWiData>0 ); assert( pWal->apWiData[0]!=0 ); pInfo = walCkptInfo(pWal); - if( !useWal && pInfo->nBackfill==pWal->hdr.mxFrame + if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame #ifdef SQLITE_ENABLE_SNAPSHOT && (pWal->pSnapshot==0 || pWal->hdr.mxFrame==0) #endif @@ -61064,7 +62106,7 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ ** snapshot. Since holding READ_LOCK(0) prevents a checkpoint from ** happening, this is usually correct. ** - ** However, if frames have been appended to the log (or if the log + ** However, if frames have been appended to the log (or if the log ** is wrapped and written for that matter) before the READ_LOCK(0) ** is obtained, that is not necessarily true. A checkpointer may ** have started to backfill the appended frames but crashed before @@ -61107,7 +62149,8 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ for(i=1; i<WAL_NREADER; i++){ rc = walLockExclusive(pWal, WAL_READ_LOCK(i), 1); if( rc==SQLITE_OK ){ - mxReadMark = AtomicStore(pInfo->aReadMark+i,mxFrame); + AtomicStore(pInfo->aReadMark+i,mxFrame); + mxReadMark = mxFrame; mxI = i; walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1); break; @@ -61145,9 +62188,9 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ ** to read any frames earlier than minFrame from the wal file - they ** can be safely read directly from the database file. ** - ** Because a ShmBarrier() call is made between taking the copy of + ** Because a ShmBarrier() call is made between taking the copy of ** nBackfill and checking that the wal-header in shared-memory still - ** matches the one cached in pWal->hdr, it is guaranteed that the + ** matches the one cached in pWal->hdr, it is guaranteed that the ** checkpointer that set nBackfill was not working with a wal-index ** header newer than that cached in pWal->hdr. If it were, that could ** cause a problem. The checkpointer could omit to checkpoint @@ -61175,15 +62218,15 @@ static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int cnt){ #ifdef SQLITE_ENABLE_SNAPSHOT /* -** Attempt to reduce the value of the WalCkptInfo.nBackfillAttempted +** Attempt to reduce the value of the WalCkptInfo.nBackfillAttempted ** variable so that older snapshots can be accessed. To do this, loop -** through all wal frames from nBackfillAttempted to (nBackfill+1), +** through all wal frames from nBackfillAttempted to (nBackfill+1), ** comparing their content to the corresponding page with the database ** file, if any. Set nBackfillAttempted to the frame number of the ** first frame for which the wal file content matches the db file. ** -** This is only really safe if the file-system is such that any page -** writes made by earlier checkpointers were atomic operations, which +** This is only really safe if the file-system is such that any page +** writes made by earlier checkpointers were atomic operations, which ** is not always true. It is also possible that nBackfillAttempted ** may be left set to a value larger than expected, if a wal frame ** contains content that duplicate of an earlier version of the same @@ -61211,7 +62254,7 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ rc = SQLITE_NOMEM; }else{ u32 i = pInfo->nBackfillAttempted; - for(i=pInfo->nBackfillAttempted; i>pInfo->nBackfill; i--){ + for(i=pInfo->nBackfillAttempted; i>AtomicLoad(&pInfo->nBackfill); i--){ WalHashLoc sLoc; /* Hash table location */ u32 pgno; /* Page number in db file */ i64 iDbOff; /* Offset of db file entry */ @@ -61266,12 +62309,35 @@ SQLITE_PRIVATE int sqlite3WalSnapshotRecover(Wal *pWal){ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ int rc; /* Return code */ int cnt = 0; /* Number of TryBeginRead attempts */ - #ifdef SQLITE_ENABLE_SNAPSHOT int bChanged = 0; WalIndexHdr *pSnapshot = pWal->pSnapshot; - if( pSnapshot && memcmp(pSnapshot, &pWal->hdr, sizeof(WalIndexHdr))!=0 ){ - bChanged = 1; +#endif + + assert( pWal->ckptLock==0 ); + +#ifdef SQLITE_ENABLE_SNAPSHOT + if( pSnapshot ){ + if( memcmp(pSnapshot, &pWal->hdr, sizeof(WalIndexHdr))!=0 ){ + bChanged = 1; + } + + /* It is possible that there is a checkpointer thread running + ** concurrent with this code. If this is the case, it may be that the + ** checkpointer has already determined that it will checkpoint + ** snapshot X, where X is later in the wal file than pSnapshot, but + ** has not yet set the pInfo->nBackfillAttempted variable to indicate + ** its intent. To avoid the race condition this leads to, ensure that + ** there is no checkpointer process by taking a shared CKPT lock + ** before checking pInfo->nBackfillAttempted. */ + (void)walEnableBlocking(pWal); + rc = walLockShared(pWal, WAL_CKPT_LOCK); + walDisableBlocking(pWal); + + if( rc!=SQLITE_OK ){ + return rc; + } + pWal->ckptLock = 1; } #endif @@ -61304,48 +62370,42 @@ SQLITE_PRIVATE int sqlite3WalBeginReadTransaction(Wal *pWal, int *pChanged){ assert( pWal->readLock>0 || pWal->hdr.mxFrame==0 ); assert( pInfo->aReadMark[pWal->readLock]<=pSnapshot->mxFrame ); - /* It is possible that there is a checkpointer thread running - ** concurrent with this code. If this is the case, it may be that the - ** checkpointer has already determined that it will checkpoint - ** snapshot X, where X is later in the wal file than pSnapshot, but - ** has not yet set the pInfo->nBackfillAttempted variable to indicate - ** its intent. To avoid the race condition this leads to, ensure that - ** there is no checkpointer process by taking a shared CKPT lock - ** before checking pInfo->nBackfillAttempted. - ** - ** TODO: Does the aReadMark[] lock prevent a checkpointer from doing - ** this already? - */ - rc = walLockShared(pWal, WAL_CKPT_LOCK); - - if( rc==SQLITE_OK ){ - /* Check that the wal file has not been wrapped. Assuming that it has - ** not, also check that no checkpointer has attempted to checkpoint any - ** frames beyond pSnapshot->mxFrame. If either of these conditions are - ** true, return SQLITE_ERROR_SNAPSHOT. Otherwise, overwrite pWal->hdr - ** with *pSnapshot and set *pChanged as appropriate for opening the - ** snapshot. */ - if( !memcmp(pSnapshot->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) - && pSnapshot->mxFrame>=pInfo->nBackfillAttempted - ){ - assert( pWal->readLock>0 ); - memcpy(&pWal->hdr, pSnapshot, sizeof(WalIndexHdr)); - *pChanged = bChanged; - }else{ - rc = SQLITE_ERROR_SNAPSHOT; - } - - /* Release the shared CKPT lock obtained above. */ - walUnlockShared(pWal, WAL_CKPT_LOCK); - pWal->minFrame = 1; + /* Check that the wal file has not been wrapped. Assuming that it has + ** not, also check that no checkpointer has attempted to checkpoint any + ** frames beyond pSnapshot->mxFrame. If either of these conditions are + ** true, return SQLITE_ERROR_SNAPSHOT. Otherwise, overwrite pWal->hdr + ** with *pSnapshot and set *pChanged as appropriate for opening the + ** snapshot. */ + if( !memcmp(pSnapshot->aSalt, pWal->hdr.aSalt, sizeof(pWal->hdr.aSalt)) + && pSnapshot->mxFrame>=pInfo->nBackfillAttempted + ){ + assert( pWal->readLock>0 ); + memcpy(&pWal->hdr, pSnapshot, sizeof(WalIndexHdr)); + *pChanged = bChanged; + }else{ + rc = SQLITE_ERROR_SNAPSHOT; } + /* A client using a non-current snapshot may not ignore any frames + ** from the start of the wal file. This is because, for a system + ** where (minFrame < iSnapshot < maxFrame), a checkpointer may + ** have omitted to checkpoint a frame earlier than minFrame in + ** the file because there exists a frame after iSnapshot that + ** is the same database page. */ + pWal->minFrame = 1; if( rc!=SQLITE_OK ){ sqlite3WalEndReadTransaction(pWal); } } } + + /* Release the shared CKPT lock obtained above. */ + if( pWal->ckptLock ){ + assert( pSnapshot ); + walUnlockShared(pWal, WAL_CKPT_LOCK); + pWal->ckptLock = 0; + } #endif return rc; } @@ -61385,8 +62445,8 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( /* If the "last page" field of the wal-index header snapshot is 0, then ** no data will be read from the wal under any circumstances. Return early - ** in this case as an optimization. Likewise, if pWal->readLock==0, - ** then the WAL is ignored by the reader so return early, as if the + ** in this case as an optimization. Likewise, if pWal->readLock==0, + ** then the WAL is ignored by the reader so return early, as if the ** WAL were empty. */ if( iLast==0 || (pWal->readLock==0 && pWal->bShmUnreliable==0) ){ @@ -61399,9 +62459,9 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( ** hash table (each hash table indexes up to HASHTABLE_NPAGE frames). ** ** This code might run concurrently to the code in walIndexAppend() - ** that adds entries to the wal-index (and possibly to this hash - ** table). This means the value just read from the hash - ** slot (aHash[iKey]) may have been added before or after the + ** that adds entries to the wal-index (and possibly to this hash + ** table). This means the value just read from the hash + ** slot (aHash[iKey]) may have been added before or after the ** current read transaction was opened. Values added after the ** read transaction was opened may have been written incorrectly - ** i.e. these slots may contain garbage data. However, we assume @@ -61409,13 +62469,13 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( ** opened remain unmodified. ** ** For the reasons above, the if(...) condition featured in the inner - ** loop of the following block is more stringent that would be required + ** loop of the following block is more stringent that would be required ** if we had exclusive access to the hash-table: ** - ** (aPgno[iFrame]==pgno): + ** (aPgno[iFrame]==pgno): ** This condition filters out normal hash-table collisions. ** - ** (iFrame<=iLast): + ** (iFrame<=iLast): ** This condition filters out entries that were added to the hash ** table after the current read-transaction had started. */ @@ -61425,14 +62485,15 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( int iKey; /* Hash slot index */ int nCollide; /* Number of hash collisions remaining */ int rc; /* Error code */ + u32 iH; rc = walHashGet(pWal, iHash, &sLoc); if( rc!=SQLITE_OK ){ return rc; } nCollide = HASHTABLE_NSLOT; - for(iKey=walHash(pgno); sLoc.aHash[iKey]; iKey=walNextHash(iKey)){ - u32 iH = sLoc.aHash[iKey]; + iKey = walHash(pgno); + while( (iH = AtomicLoad(&sLoc.aHash[iKey]))!=0 ){ u32 iFrame = iH + sLoc.iZero; if( iFrame<=iLast && iFrame>=pWal->minFrame && sLoc.aPgno[iH]==pgno ){ assert( iFrame>iRead || CORRUPT_DB ); @@ -61441,6 +62502,7 @@ SQLITE_PRIVATE int sqlite3WalFindFrame( if( (nCollide--)==0 ){ return SQLITE_CORRUPT_BKPT; } + iKey = walNextHash(iKey); } if( iRead ) break; } @@ -61489,7 +62551,7 @@ SQLITE_PRIVATE int sqlite3WalReadFrame( return sqlite3OsRead(pWal->pWalFd, pOut, (nOut>sz ? sz : nOut), iOffset); } -/* +/* ** Return the size of the database in pages (or zero, if unknown). */ SQLITE_PRIVATE Pgno sqlite3WalDbsize(Wal *pWal){ @@ -61500,7 +62562,7 @@ SQLITE_PRIVATE Pgno sqlite3WalDbsize(Wal *pWal){ } -/* +/* ** This function starts a write transaction on the WAL. ** ** A read transaction must have already been started by a prior call @@ -61516,6 +62578,16 @@ SQLITE_PRIVATE Pgno sqlite3WalDbsize(Wal *pWal){ SQLITE_PRIVATE int sqlite3WalBeginWriteTransaction(Wal *pWal){ int rc; +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + /* If the write-lock is already held, then it was obtained before the + ** read-transaction was even opened, making this call a no-op. + ** Return early. */ + if( pWal->writeLock ){ + assert( !memcmp(&pWal->hdr,(void *)walIndexHdr(pWal),sizeof(WalIndexHdr)) ); + return SQLITE_OK; + } +#endif + /* Cannot start a write transaction without first holding a read ** transaction. */ assert( pWal->readLock>=0 ); @@ -61578,18 +62650,18 @@ SQLITE_PRIVATE int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *p if( ALWAYS(pWal->writeLock) ){ Pgno iMax = pWal->hdr.mxFrame; Pgno iFrame; - + /* Restore the clients cache of the wal-index header to the state it - ** was in before the client began writing to the database. + ** was in before the client began writing to the database. */ memcpy(&pWal->hdr, (void *)walIndexHdr(pWal), sizeof(WalIndexHdr)); - for(iFrame=pWal->hdr.mxFrame+1; - ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; + for(iFrame=pWal->hdr.mxFrame+1; + ALWAYS(rc==SQLITE_OK) && iFrame<=iMax; iFrame++ ){ /* This call cannot fail. Unless the page for which the page number - ** is passed as the second argument is (a) in the cache and + ** is passed as the second argument is (a) in the cache and ** (b) has an outstanding reference, then xUndo is either a no-op ** (if (a) is false) or simply expels the page from the cache (if (b) ** is false). @@ -61607,10 +62679,10 @@ SQLITE_PRIVATE int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *p return rc; } -/* -** Argument aWalData must point to an array of WAL_SAVEPOINT_NDATA u32 -** values. This function populates the array with values required to -** "rollback" the write position of the WAL handle back to the current +/* +** Argument aWalData must point to an array of WAL_SAVEPOINT_NDATA u32 +** values. This function populates the array with values required to +** "rollback" the write position of the WAL handle back to the current ** point in the event of a savepoint rollback (via WalSavepointUndo()). */ SQLITE_PRIVATE void sqlite3WalSavepoint(Wal *pWal, u32 *aWalData){ @@ -61621,7 +62693,7 @@ SQLITE_PRIVATE void sqlite3WalSavepoint(Wal *pWal, u32 *aWalData){ aWalData[3] = pWal->nCkpt; } -/* +/* ** Move the write position of the WAL back to the point identified by ** the values in the aWalData[] array. aWalData must point to an array ** of WAL_SAVEPOINT_NDATA u32 values that has been previously populated @@ -61761,11 +62833,7 @@ static int walWriteOneFrame( int rc; /* Result code from subfunctions */ void *pData; /* Data actually written */ u8 aFrame[WAL_FRAME_HDRSIZE]; /* Buffer to assemble frame-header in */ -#if defined(SQLITE_HAS_CODEC) - if( (pData = sqlite3PagerCodec(pPage))==0 ) return SQLITE_NOMEM_BKPT; -#else pData = pPage->pData; -#endif walEncodeFrame(p->pWal, pPage->pgno, nTruncate, pData, aFrame); rc = walWriteToLog(p, aFrame, sizeof(aFrame), iOffset); if( rc ) return rc; @@ -61827,7 +62895,7 @@ static int walRewriteChecksums(Wal *pWal, u32 iLast){ return rc; } -/* +/* ** Write a set of frames to the log. The caller must hold the write-lock ** on the log file (obtained using sqlite3WalBeginWriteTransaction()). */ @@ -61894,7 +62962,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( walChecksumBytes(1, aWalHdr, WAL_HDRSIZE-2*4, 0, aCksum); sqlite3Put4byte(&aWalHdr[24], aCksum[0]); sqlite3Put4byte(&aWalHdr[28], aCksum[1]); - + pWal->szPage = szPage; pWal->hdr.bigEndCksum = SQLITE_BIGENDIAN; pWal->hdr.aFrameCksum[0] = aCksum[0]; @@ -61936,7 +63004,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( /* Check if this page has already been written into the wal file by ** the current transaction. If so, overwrite the existing frame and - ** set Wal.writeLock to WAL_WRITELOCK_RECKSUM - indicating that + ** set Wal.writeLock to WAL_WRITELOCK_RECKSUM - indicating that ** checksums must be recomputed when the transaction is committed. */ if( iFirst && (p->pDirty || isCommit==0) ){ u32 iWrite = 0; @@ -61948,11 +63016,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( if( pWal->iReCksum==0 || iWrite<pWal->iReCksum ){ pWal->iReCksum = iWrite; } -#if defined(SQLITE_HAS_CODEC) - if( (pData = sqlite3PagerCodec(p))==0 ) return SQLITE_NOMEM; -#else pData = p->pData; -#endif rc = sqlite3OsWrite(pWal->pWalFd, pData, szPage, iOff); if( rc ) return rc; p->flags &= ~PGHDR_WAL_APPEND; @@ -62024,7 +63088,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( pWal->truncateOnCommit = 0; } - /* Append data to the wal-index. It is not necessary to lock the + /* Append data to the wal-index. It is not necessary to lock the ** wal-index to do this as the SQLITE_SHM_WRITE lock held on the wal-index ** guarantees that there are no other writers, and no data that may ** be in use by existing readers is being overwritten. @@ -62063,7 +63127,7 @@ SQLITE_PRIVATE int sqlite3WalFrames( return rc; } -/* +/* ** This routine is called to implement sqlite3_wal_checkpoint() and ** related interfaces. ** @@ -62100,45 +63164,52 @@ SQLITE_PRIVATE int sqlite3WalCheckpoint( if( pWal->readOnly ) return SQLITE_READONLY; WALTRACE(("WAL%p: checkpoint begins\n", pWal)); - /* IMPLEMENTATION-OF: R-62028-47212 All calls obtain an exclusive - ** "checkpoint" lock on the database file. */ - rc = walLockExclusive(pWal, WAL_CKPT_LOCK, 1); - if( rc ){ - /* EVIDENCE-OF: R-10421-19736 If any other process is running a - ** checkpoint operation at the same time, the lock cannot be obtained and - ** SQLITE_BUSY is returned. - ** EVIDENCE-OF: R-53820-33897 Even if there is a busy-handler configured, - ** it will not be invoked in this case. - */ - testcase( rc==SQLITE_BUSY ); - testcase( xBusy!=0 ); - return rc; - } - pWal->ckptLock = 1; + /* Enable blocking locks, if possible. If blocking locks are successfully + ** enabled, set xBusy2=0 so that the busy-handler is never invoked. */ + sqlite3WalDb(pWal, db); + (void)walEnableBlocking(pWal); - /* IMPLEMENTATION-OF: R-59782-36818 The SQLITE_CHECKPOINT_FULL, RESTART and - ** TRUNCATE modes also obtain the exclusive "writer" lock on the database - ** file. - ** - ** EVIDENCE-OF: R-60642-04082 If the writer lock cannot be obtained - ** immediately, and a busy-handler is configured, it is invoked and the - ** writer lock retried until either the busy-handler returns 0 or the - ** lock is successfully obtained. + /* IMPLEMENTATION-OF: R-62028-47212 All calls obtain an exclusive + ** "checkpoint" lock on the database file. + ** EVIDENCE-OF: R-10421-19736 If any other process is running a + ** checkpoint operation at the same time, the lock cannot be obtained and + ** SQLITE_BUSY is returned. + ** EVIDENCE-OF: R-53820-33897 Even if there is a busy-handler configured, + ** it will not be invoked in this case. */ - if( eMode!=SQLITE_CHECKPOINT_PASSIVE ){ - rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_WRITE_LOCK, 1); - if( rc==SQLITE_OK ){ - pWal->writeLock = 1; - }else if( rc==SQLITE_BUSY ){ - eMode2 = SQLITE_CHECKPOINT_PASSIVE; - xBusy2 = 0; - rc = SQLITE_OK; + rc = walLockExclusive(pWal, WAL_CKPT_LOCK, 1); + testcase( rc==SQLITE_BUSY ); + testcase( rc!=SQLITE_OK && xBusy2!=0 ); + if( rc==SQLITE_OK ){ + pWal->ckptLock = 1; + + /* IMPLEMENTATION-OF: R-59782-36818 The SQLITE_CHECKPOINT_FULL, RESTART and + ** TRUNCATE modes also obtain the exclusive "writer" lock on the database + ** file. + ** + ** EVIDENCE-OF: R-60642-04082 If the writer lock cannot be obtained + ** immediately, and a busy-handler is configured, it is invoked and the + ** writer lock retried until either the busy-handler returns 0 or the + ** lock is successfully obtained. + */ + if( eMode!=SQLITE_CHECKPOINT_PASSIVE ){ + rc = walBusyLock(pWal, xBusy2, pBusyArg, WAL_WRITE_LOCK, 1); + if( rc==SQLITE_OK ){ + pWal->writeLock = 1; + }else if( rc==SQLITE_BUSY ){ + eMode2 = SQLITE_CHECKPOINT_PASSIVE; + xBusy2 = 0; + rc = SQLITE_OK; + } } } + /* Read the wal-index header. */ if( rc==SQLITE_OK ){ + walDisableBlocking(pWal); rc = walIndexReadHdr(pWal, &isChanged); + (void)walEnableBlocking(pWal); if( isChanged && pWal->pDbFd->pMethods->iVersion>=3 ){ sqlite3OsUnfetch(pWal->pDbFd, 0, 0); } @@ -62161,7 +63232,7 @@ SQLITE_PRIVATE int sqlite3WalCheckpoint( } if( isChanged ){ - /* If a new wal-index header was loaded before the checkpoint was + /* If a new wal-index header was loaded before the checkpoint was ** performed, then the pager-cache associated with pWal is now ** out of date. So zero the cached wal-index header to ensure that ** next time the pager opens a snapshot on this database it knows that @@ -62170,11 +63241,19 @@ SQLITE_PRIVATE int sqlite3WalCheckpoint( memset(&pWal->hdr, 0, sizeof(WalIndexHdr)); } + walDisableBlocking(pWal); + sqlite3WalDb(pWal, 0); + /* Release the locks. */ sqlite3WalEndWriteTransaction(pWal); - walUnlockExclusive(pWal, WAL_CKPT_LOCK, 1); - pWal->ckptLock = 0; + if( pWal->ckptLock ){ + walUnlockExclusive(pWal, WAL_CKPT_LOCK, 1); + pWal->ckptLock = 0; + } WALTRACE(("WAL%p: checkpoint %s\n", pWal, rc ? "failed" : "ok")); +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + if( rc==SQLITE_BUSY_TIMEOUT ) rc = SQLITE_BUSY; +#endif return (rc==SQLITE_OK && eMode!=eMode2 ? SQLITE_BUSY : rc); } @@ -62204,7 +63283,7 @@ SQLITE_PRIVATE int sqlite3WalCallback(Wal *pWal){ ** operation must occur while the pager is still holding the exclusive ** lock on the main database file. ** -** If op is one, then change from locking_mode=NORMAL into +** If op is one, then change from locking_mode=NORMAL into ** locking_mode=EXCLUSIVE. This means that the pWal->readLock must ** be released. Return 1 if the transition is made and 0 if the ** WAL is already in exclusive-locking mode - meaning that this @@ -62221,8 +63300,8 @@ SQLITE_PRIVATE int sqlite3WalExclusiveMode(Wal *pWal, int op){ assert( pWal->writeLock==0 ); assert( pWal->exclusiveMode!=WAL_HEAPMEMORY_MODE || op==-1 ); - /* pWal->readLock is usually set, but might be -1 if there was a - ** prior error while attempting to acquire are read-lock. This cannot + /* pWal->readLock is usually set, but might be -1 if there was a + ** prior error while attempting to acquire are read-lock. This cannot ** happen if the connection is actually in exclusive mode (as no xShmLock ** locks are taken in this case). Nor should the pager attempt to ** upgrade to exclusive-mode following such an error. @@ -62253,10 +63332,10 @@ SQLITE_PRIVATE int sqlite3WalExclusiveMode(Wal *pWal, int op){ return rc; } -/* +/* ** Return true if the argument is non-NULL and the WAL module is using ** heap-memory for the wal-index. Otherwise, if the argument is NULL or the -** WAL module is using shared-memory, return false. +** WAL module is using shared-memory, return false. */ SQLITE_PRIVATE int sqlite3WalHeapMemory(Wal *pWal){ return (pWal && pWal->exclusiveMode==WAL_HEAPMEMORY_MODE ); @@ -62291,11 +63370,14 @@ SQLITE_PRIVATE int sqlite3WalSnapshotGet(Wal *pWal, sqlite3_snapshot **ppSnapsho /* Try to open on pSnapshot when the next read-transaction starts */ -SQLITE_PRIVATE void sqlite3WalSnapshotOpen(Wal *pWal, sqlite3_snapshot *pSnapshot){ +SQLITE_PRIVATE void sqlite3WalSnapshotOpen( + Wal *pWal, + sqlite3_snapshot *pSnapshot +){ pWal->pSnapshot = (WalIndexHdr*)pSnapshot; } -/* +/* ** Return a +ve value if snapshot p1 is newer than p2. A -ve value if ** p1 is older than p2 and zero if p1 and p2 are the same snapshot. */ @@ -62315,7 +63397,7 @@ SQLITE_API int sqlite3_snapshot_cmp(sqlite3_snapshot *p1, sqlite3_snapshot *p2){ /* ** The caller currently has a read transaction open on the database. ** This function takes a SHARED lock on the CHECKPOINTER slot and then -** checks if the snapshot passed as the second argument is still +** checks if the snapshot passed as the second argument is still ** available. If so, SQLITE_OK is returned. ** ** If the snapshot is not available, SQLITE_ERROR is returned. Or, if @@ -62422,16 +63504,16 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** on Ptr(N) and its subpages have values greater than Key(N-1). And ** so forth. ** -** Finding a particular key requires reading O(log(M)) pages from the +** Finding a particular key requires reading O(log(M)) pages from the ** disk where M is the number of entries in the tree. ** -** In this implementation, a single file can hold one or more separate +** In this implementation, a single file can hold one or more separate ** BTrees. Each BTree is identified by the index of its root page. The ** key and data for any entry are combined to form the "payload". A ** fixed amount of payload can be carried directly on the database ** page. If the payload is larger than the preset amount then surplus ** bytes are stored on overflow pages. The payload for an entry -** and the preceding pointer are combined to form a "Cell". Each +** and the preceding pointer are combined to form a "Cell". Each ** page has a small header which contains the Ptr(N) pointer and other ** information such as the size of key and data. ** @@ -62561,7 +63643,7 @@ SQLITE_PRIVATE sqlite3_file *sqlite3WalFile(Wal *pWal){ ** contiguous or in order, but cell pointers are contiguous and in order. ** ** Cell content makes use of variable length integers. A variable -** length integer is 1 to 9 bytes where the lower 7 bits of each +** length integer is 1 to 9 bytes where the lower 7 bits of each ** byte are used. The integer consists of all bytes that have bit 8 set and ** the first byte with bit 8 clear. The most significant byte of the integer ** appears first. A variable-length integer may not be more than 9 bytes long. @@ -62634,7 +63716,7 @@ typedef struct CellInfo CellInfo; ** -DSQLITE_FILE_HEADER="..." on the compiler command-line. The ** header must be exactly 16 bytes including the zero-terminator so ** the string itself should be 15 characters long. If you change -** the header, then your custom library will not be able to read +** the header, then your custom library will not be able to read ** databases generated by the standard tools and the standard tools ** will not be able to read databases created by your custom library. */ @@ -62697,7 +63779,7 @@ struct MemPage { /* ** A linked list of the following structures is stored at BtShared.pLock. -** Locks are added (or upgraded from READ_LOCK to WRITE_LOCK) when a cursor +** Locks are added (or upgraded from READ_LOCK to WRITE_LOCK) when a cursor ** is opened on the table with root page BtShared.iTable. Locks are removed ** from this list when a transaction is committed or rolled back, or when ** a btree handle is closed. @@ -62721,7 +63803,7 @@ struct BtLock { ** see the internals of this structure and only deals with pointers to ** this structure. ** -** For some database files, the same underlying database cache might be +** For some database files, the same underlying database cache might be ** shared between multiple connections. In that case, each connection ** has it own instance of this object. But each instance of this object ** points to the same BtShared object. The database cache and the @@ -62729,7 +63811,7 @@ struct BtLock { ** the BtShared object. ** ** All fields in this structure are accessed under sqlite3.mutex. -** The pBt pointer itself may not be changed while there exists cursors +** The pBt pointer itself may not be changed while there exists cursors ** in the referenced BtShared that point back to this Btree since those ** cursors have to go through this Btree to find their BtShared and ** they often do so without holding sqlite3.mutex. @@ -62764,7 +63846,7 @@ struct Btree { /* ** An instance of this object represents a single database file. -** +** ** A single database file can be in use at the same time by two ** or more database connections. When two or more connections are ** sharing the same database file, each connection has it own @@ -62774,7 +63856,7 @@ struct Btree { ** ** Fields in this structure are accessed under the BtShared.mutex ** mutex, except for nRef and pNext which are accessed under the -** global SQLITE_MUTEX_STATIC_MASTER mutex. The pPager field +** global SQLITE_MUTEX_STATIC_MAIN mutex. The pPager field ** may not be modified once it is initially set as long as nRef>0. ** The pSchema field may be set once under BtShared.mutex and ** thereafter is unchanged as long as nRef>0. @@ -62810,9 +63892,7 @@ struct BtShared { #endif u8 inTransaction; /* Transaction state */ u8 max1bytePayload; /* Maximum first byte of cell for a 1-byte payload */ -#ifdef SQLITE_HAS_CODEC - u8 optimalReserve; /* Desired amount of reserved space per page */ -#endif + u8 nReserveWanted; /* Desired number of extra bytes per page */ u16 btsFlags; /* Boolean parameters. See BTS_* macros below */ u16 maxLocal; /* Maximum local payload in non-LEAFDATA tables */ u16 minLocal; /* Minimum local payload in non-LEAFDATA tables */ @@ -62884,7 +63964,7 @@ struct CellInfo { ** particular database connection identified BtCursor.pBtree.db. ** ** Fields in this structure are accessed under the BtShared.mutex -** found at self->pBt->mutex. +** found at self->pBt->mutex. ** ** skipNext meaning: ** The meaning of skipNext depends on the value of eState: @@ -62935,12 +64015,13 @@ struct BtCursor { #define BTCF_AtLast 0x08 /* Cursor is pointing ot the last entry */ #define BTCF_Incrblob 0x10 /* True if an incremental I/O handle */ #define BTCF_Multiple 0x20 /* Maybe another cursor on the same btree */ +#define BTCF_Pinned 0x40 /* Cursor is busy and cannot be moved */ /* ** Potential values for BtCursor.eState. ** ** CURSOR_INVALID: -** Cursor does not point to a valid entry. This can happen (for example) +** Cursor does not point to a valid entry. This can happen (for example) ** because the table is empty or because BtreeCursorFirst() has not been ** called. ** @@ -62953,9 +64034,9 @@ struct BtCursor { ** operation should be a no-op. ** ** CURSOR_REQUIRESEEK: -** The table that this cursor was opened on still exists, but has been +** The table that this cursor was opened on still exists, but has been ** modified since the cursor was last used. The cursor position is saved -** in variables BtCursor.pKey and BtCursor.nKey. When a cursor is in +** in variables BtCursor.pKey and BtCursor.nKey. When a cursor is in ** this state, restoreCursorPosition() can be called to attempt to ** seek the cursor to the saved position. ** @@ -62972,13 +64053,13 @@ struct BtCursor { #define CURSOR_REQUIRESEEK 3 #define CURSOR_FAULT 4 -/* +/* ** The database page the PENDING_BYTE occupies. This page is never used. */ # define PENDING_BYTE_PAGE(pBt) PAGER_MJ_PGNO(pBt) /* -** These macros define the location of the pointer-map entry for a +** These macros define the location of the pointer-map entry for a ** database page. The first argument to each is the number of usable ** bytes on each page of the database (often 1024). The second is the ** page number to look up in the pointer map. @@ -63013,10 +64094,10 @@ struct BtCursor { ** PTRMAP_ROOTPAGE: The database page is a root-page. The page-number is not ** used in this case. ** -** PTRMAP_FREEPAGE: The database page is an unused (free) page. The page-number +** PTRMAP_FREEPAGE: The database page is an unused (free) page. The page-number ** is not used in this case. ** -** PTRMAP_OVERFLOW1: The database page is the first page in a list of +** PTRMAP_OVERFLOW1: The database page is the first page in a list of ** overflow pages. The page number identifies the page that ** contains the cell with a pointer to this overflow page. ** @@ -63038,13 +64119,13 @@ struct BtCursor { */ #define btreeIntegrity(p) \ assert( p->pBt->inTransaction!=TRANS_NONE || p->pBt->nTransaction==0 ); \ - assert( p->pBt->inTransaction>=p->inTrans ); + assert( p->pBt->inTransaction>=p->inTrans ); /* ** The ISAUTOVACUUM macro is used within balance_nonroot() to determine ** if the database supports auto-vacuum or not. Because it is used -** within an expression that is an argument to another macro +** within an expression that is an argument to another macro ** (sqliteMallocRaw), it is not possible to use conditional compilation. ** So, this macro is defined instead. */ @@ -63061,8 +64142,8 @@ struct BtCursor { ** ** The aRef[] array is allocated so that there is 1 bit for each page in ** the database. As the integrity-check proceeds, for each page used in -** the database the corresponding bit is set. This allows integrity-check to -** detect pages that are used twice and orphaned pages (both of which +** the database the corresponding bit is set. This allows integrity-check to +** detect pages that are used twice and orphaned pages (both of which ** indicate corruption). */ typedef struct IntegrityCk IntegrityCk; @@ -63073,11 +64154,13 @@ struct IntegrityCk { Pgno nPage; /* Number of pages in the database */ int mxErr; /* Stop accumulating errors when this reaches zero */ int nErr; /* Number of messages written to zErrMsg so far */ - int mallocFailed; /* A memory allocation error has occurred */ + int bOomFault; /* A memory allocation error has occurred */ const char *zPfx; /* Error message prefix */ - int v1, v2; /* Values for up to two %d fields in zPfx */ + Pgno v1; /* Value for first %u substitution in zPfx */ + int v2; /* Value for second %d substitution in zPfx */ StrAccum errMsg; /* Accumulate the error message text here */ u32 *heap; /* Min-heap used for analyzing cell coverage */ + sqlite3 *db; /* Database connection running the check */ }; /* @@ -63378,10 +64461,10 @@ SQLITE_PRIVATE void sqlite3BtreeEnterAll(sqlite3 *db){ #ifndef SQLITE_OMIT_INCRBLOB /* -** Enter a mutex on a Btree given a cursor owned by that Btree. +** Enter a mutex on a Btree given a cursor owned by that Btree. ** -** These entry points are used by incremental I/O only. Enter() is required -** any time OMIT_SHARED_CACHE is not defined, regardless of whether or not +** These entry points are used by incremental I/O only. Enter() is required +** any time OMIT_SHARED_CACHE is not defined, regardless of whether or not ** the build is threadsafe. Leave() is only required by threadsafe builds. */ SQLITE_PRIVATE void sqlite3BtreeEnterCursor(BtCursor *pCur){ @@ -63451,7 +64534,7 @@ int sqlite3BtreeTrace=1; /* True to enable tracing */ #define BTALLOC_LE 2 /* Allocate any page <= the parameter */ /* -** Macro IfNotOmitAV(x) returns (x) if SQLITE_OMIT_AUTOVACUUM is not +** Macro IfNotOmitAV(x) returns (x) if SQLITE_OMIT_AUTOVACUUM is not ** defined, or 0 if it is. For example: ** ** bIncrVacuum = IfNotOmitAV(pBtShared->incrVacuum); @@ -63466,10 +64549,10 @@ int sqlite3BtreeTrace=1; /* True to enable tracing */ /* ** A list of BtShared objects that are eligible for participation ** in shared cache. This variable has file scope during normal builds, -** but the test harness needs to access it so we make it global for +** but the test harness needs to access it so we make it global for ** test builds. ** -** Access to this variable is protected by SQLITE_MUTEX_STATIC_MASTER. +** Access to this variable is protected by SQLITE_MUTEX_STATIC_MAIN. */ #ifdef SQLITE_TEST SQLITE_PRIVATE BtShared *SQLITE_WSD sqlite3SharedCacheList = 0; @@ -63501,7 +64584,7 @@ SQLITE_API int sqlite3_enable_shared_cache(int enable){ ** manipulate entries in the BtShared.pLock linked list used to store ** shared-cache table level locks. If the library is compiled with the ** shared-cache feature disabled, then there is only ever one user - ** of each BtShared structure and so this locking is not necessary. + ** of each BtShared structure and so this locking is not necessary. ** So define the lock related functions as no-ops. */ #define querySharedCacheTableLock(a,b,c) SQLITE_OK @@ -63546,15 +64629,15 @@ int corruptPageError(int lineno, MemPage *p){ /* **** This function is only used as part of an assert() statement. *** ** -** Check to see if pBtree holds the required locks to read or write to the +** Check to see if pBtree holds the required locks to read or write to the ** table with root page iRoot. Return 1 if it does and 0 if not. ** -** For example, when writing to a table with root-page iRoot via +** For example, when writing to a table with root-page iRoot via ** Btree connection pBtree: ** ** assert( hasSharedCacheTableLock(pBtree, iRoot, 0, WRITE_LOCK) ); ** -** When writing to an index that resides in a sharable database, the +** When writing to an index that resides in a sharable database, the ** caller should have first obtained a lock specifying the root page of ** the corresponding table. This makes things a bit more complicated, ** as this module treats each table as a separate structure. To determine @@ -63576,7 +64659,7 @@ static int hasSharedCacheTableLock( BtLock *pLock; /* If this database is not shareable, or if the client is reading - ** and has the read-uncommitted flag set, then no lock is required. + ** and has the read-uncommitted flag set, then no lock is required. ** Return true immediately. */ if( (pBtree->sharable==0) @@ -63600,29 +64683,31 @@ static int hasSharedCacheTableLock( ** table. */ if( isIndex ){ HashElem *p; + int bSeen = 0; for(p=sqliteHashFirst(&pSchema->idxHash); p; p=sqliteHashNext(p)){ Index *pIdx = (Index *)sqliteHashData(p); if( pIdx->tnum==(int)iRoot ){ - if( iTab ){ + if( bSeen ){ /* Two or more indexes share the same root page. There must ** be imposter tables. So just return true. The assert is not ** useful in that case. */ return 1; } iTab = pIdx->pTable->tnum; + bSeen = 1; } } }else{ iTab = iRoot; } - /* Search for the required lock. Either a write-lock on root-page iTab, a + /* Search for the required lock. Either a write-lock on root-page iTab, a ** write-lock on the schema table, or (if the client is reading) a ** read-lock on iTab will suffice. Return 1 if any of these are found. */ for(pLock=pBtree->pBt->pLock; pLock; pLock=pLock->pNext){ - if( pLock->pBtree==pBtree + if( pLock->pBtree==pBtree && (pLock->iTable==iTab || (pLock->eLock==WRITE_LOCK && pLock->iTable==1)) - && pLock->eLock>=eLockType + && pLock->eLock>=eLockType ){ return 1; } @@ -63655,7 +64740,7 @@ static int hasSharedCacheTableLock( static int hasReadConflicts(Btree *pBtree, Pgno iRoot){ BtCursor *p; for(p=pBtree->pBt->pCursor; p; p=p->pNext){ - if( p->pgnoRoot==iRoot + if( p->pgnoRoot==iRoot && p->pBtree!=pBtree && 0==(p->pBtree->db->flags & SQLITE_ReadUncommit) ){ @@ -63667,7 +64752,7 @@ static int hasReadConflicts(Btree *pBtree, Pgno iRoot){ #endif /* #ifdef SQLITE_DEBUG */ /* -** Query to see if Btree handle p may obtain a lock of type eLock +** Query to see if Btree handle p may obtain a lock of type eLock ** (READ_LOCK or WRITE_LOCK) on the table with root-page iTab. Return ** SQLITE_OK if the lock may be obtained (by calling ** setSharedCacheTableLock()), or SQLITE_LOCKED if not. @@ -63680,14 +64765,14 @@ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ assert( eLock==READ_LOCK || eLock==WRITE_LOCK ); assert( p->db!=0 ); assert( !(p->db->flags&SQLITE_ReadUncommit)||eLock==WRITE_LOCK||iTab==1 ); - + /* If requesting a write-lock, then the Btree must have an open write - ** transaction on this file. And, obviously, for this to be so there + ** transaction on this file. And, obviously, for this to be so there ** must be an open write transaction on the file itself. */ assert( eLock==READ_LOCK || (p==pBt->pWriter && p->inTrans==TRANS_WRITE) ); assert( eLock==READ_LOCK || pBt->inTransaction==TRANS_WRITE ); - + /* This routine is a no-op if the shared-cache is not enabled */ if( !p->sharable ){ return SQLITE_OK; @@ -63702,7 +64787,7 @@ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ } for(pIter=pBt->pLock; pIter; pIter=pIter->pNext){ - /* The condition (pIter->eLock!=eLock) in the following if(...) + /* The condition (pIter->eLock!=eLock) in the following if(...) ** statement is a simplification of: ** ** (eLock==WRITE_LOCK || pIter->eLock==WRITE_LOCK) @@ -63729,7 +64814,7 @@ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ #ifndef SQLITE_OMIT_SHARED_CACHE /* ** Add a lock on the table with root-page iTable to the shared-btree used -** by Btree handle p. Parameter eLock must be either READ_LOCK or +** by Btree handle p. Parameter eLock must be either READ_LOCK or ** WRITE_LOCK. ** ** This function assumes the following: @@ -63741,7 +64826,7 @@ static int querySharedCacheTableLock(Btree *p, Pgno iTab, u8 eLock){ ** with the requested lock (i.e. querySharedCacheTableLock() has ** already been called and returned SQLITE_OK). ** -** SQLITE_OK is returned if the lock is added successfully. SQLITE_NOMEM +** SQLITE_OK is returned if the lock is added successfully. SQLITE_NOMEM ** is returned if a malloc attempt fails. */ static int setSharedCacheTableLock(Btree *p, Pgno iTable, u8 eLock){ @@ -63755,11 +64840,11 @@ static int setSharedCacheTableLock(Btree *p, Pgno iTable, u8 eLock){ /* A connection with the read-uncommitted flag set will never try to ** obtain a read-lock using this function. The only read-lock obtained - ** by a connection in read-uncommitted mode is on the sqlite_master + ** by a connection in read-uncommitted mode is on the sqlite_schema ** table, and that lock is obtained in BtreeBeginTrans(). */ assert( 0==(p->db->flags&SQLITE_ReadUncommit) || eLock==WRITE_LOCK ); - /* This function should only be called on a sharable b-tree after it + /* This function should only be called on a sharable b-tree after it ** has been determined that no other b-tree holds a conflicting lock. */ assert( p->sharable ); assert( SQLITE_OK==querySharedCacheTableLock(p, iTable, eLock) ); @@ -63804,7 +64889,7 @@ static int setSharedCacheTableLock(Btree *p, Pgno iTable, u8 eLock){ ** Release all the table locks (locks obtained via calls to ** the setSharedCacheTableLock() procedure) held by Btree object p. ** -** This function assumes that Btree p has an open read or write +** This function assumes that Btree p has an open read or write ** transaction. If it does not, then the BTS_PENDING flag ** may be incorrectly cleared. */ @@ -63836,7 +64921,7 @@ static void clearAllSharedCacheTableLocks(Btree *p){ pBt->pWriter = 0; pBt->btsFlags &= ~(BTS_EXCLUSIVE|BTS_PENDING); }else if( pBt->nTransaction==2 ){ - /* This function is called when Btree p is concluding its + /* This function is called when Btree p is concluding its ** transaction. If there currently exists a writer, and p is not ** that writer, then the number of locks held by connections other ** than the writer must be about to drop to zero. In this case @@ -63882,7 +64967,7 @@ static int cursorHoldsMutex(BtCursor *p){ } /* Verify that the cursor and the BtShared agree about what is the current -** database connetion. This is important in shared-cache mode. If the database +** database connetion. This is important in shared-cache mode. If the database ** connection pointers get out-of-sync, it is possible for routines like ** btreeInitPage() to reference an stale connection pointer that references a ** a connection that has already closed. This routine is used inside assert() @@ -63953,8 +65038,8 @@ static void invalidateIncrblobCursors( #endif /* SQLITE_OMIT_INCRBLOB */ /* -** Set bit pgno of the BtShared.pHasContent bitvec. This is called -** when a page that previously contained data becomes a free-list leaf +** Set bit pgno of the BtShared.pHasContent bitvec. This is called +** when a page that previously contained data becomes a free-list leaf ** page. ** ** The BtShared.pHasContent bitvec exists to work around an obscure @@ -63980,7 +65065,7 @@ static void invalidateIncrblobCursors( ** may be lost. In the event of a rollback, it may not be possible ** to restore the database to its original configuration. ** -** The solution is the BtShared.pHasContent bitvec. Whenever a page is +** The solution is the BtShared.pHasContent bitvec. Whenever a page is ** moved to become a free-list leaf page, the corresponding bit is ** set in the bitvec. Whenever a leaf page is extracted from the free-list, ** optimization 2 above is omitted if the corresponding bit is already @@ -64011,7 +65096,7 @@ static int btreeSetHasContent(BtShared *pBt, Pgno pgno){ */ static int btreeGetHasContent(BtShared *pBt, Pgno pgno){ Bitvec *p = pBt->pHasContent; - return (p && (pgno>sqlite3BitvecSize(p) || sqlite3BitvecTest(p, pgno))); + return p && (pgno>sqlite3BitvecSize(p) || sqlite3BitvecTestNotNull(p, pgno)); } /* @@ -64041,13 +65126,13 @@ static void btreeReleaseAllCursorPages(BtCursor *pCur){ ** The cursor passed as the only argument must point to a valid entry ** when this function is called (i.e. have eState==CURSOR_VALID). This ** function saves the current cursor key in variables pCur->nKey and -** pCur->pKey. SQLITE_OK is returned if successful or an SQLite error +** pCur->pKey. SQLITE_OK is returned if successful or an SQLite error ** code otherwise. ** ** If the cursor is open on an intkey table, then the integer key ** (the rowid) is stored in pCur->nKey and pCur->pKey is left set to -** NULL. If the cursor is open on a non-intkey table, then pCur->pKey is -** set to point to a malloced buffer pCur->nKey bytes in size containing +** NULL. If the cursor is open on a non-intkey table, then pCur->pKey is +** set to point to a malloced buffer pCur->nKey bytes in size containing ** the key. */ static int saveCursorKey(BtCursor *pCur){ @@ -64063,8 +65148,8 @@ static int saveCursorKey(BtCursor *pCur){ /* For an index btree, save the complete key content. It is possible ** that the current key is corrupt. In that case, it is possible that ** the sqlite3VdbeRecordUnpack() function may overread the buffer by - ** up to the size of 1 varint plus 1 8-byte value when the cursor - ** position is restored. Hence the 17 bytes of padding allocated + ** up to the size of 1 varint plus 1 8-byte value when the cursor + ** position is restored. Hence the 17 bytes of padding allocated ** below. */ void *pKey; pCur->nKey = sqlite3BtreePayloadSize(pCur); @@ -64086,11 +65171,11 @@ static int saveCursorKey(BtCursor *pCur){ } /* -** Save the current cursor position in the variables BtCursor.nKey +** Save the current cursor position in the variables BtCursor.nKey ** and BtCursor.pKey. The cursor's state is set to CURSOR_REQUIRESEEK. ** ** The caller must ensure that the cursor is valid (has eState==CURSOR_VALID) -** prior to calling this routine. +** prior to calling this routine. */ static int saveCursorPosition(BtCursor *pCur){ int rc; @@ -64099,6 +65184,9 @@ static int saveCursorPosition(BtCursor *pCur){ assert( 0==pCur->pKey ); assert( cursorHoldsMutex(pCur) ); + if( pCur->curFlags & BTCF_Pinned ){ + return SQLITE_CONSTRAINT_PINNED; + } if( pCur->eState==CURSOR_SKIPNEXT ){ pCur->eState = CURSOR_VALID; }else{ @@ -64126,7 +65214,7 @@ static int SQLITE_NOINLINE saveCursorsOnList(BtCursor*,Pgno,BtCursor*); ** routine is called just before cursor pExcept is used to modify the ** table, for example in BtreeDelete() or BtreeInsert(). ** -** If there are two or more cursors on the same btree, then all such +** If there are two or more cursors on the same btree, then all such ** cursors should have their BTCF_Multiple flag set. The btreeCursor() ** routine enforces that rule. This routine only needs to be called in ** the uncommon case when pExpect has the BTCF_Multiple flag set. @@ -64226,9 +65314,9 @@ moveto_done: /* ** Restore the cursor to the position it was in (or as close to as possible) -** when saveCursorPosition() was called. Note that this call deletes the +** when saveCursorPosition() was called. Note that this call deletes the ** saved position info stored by saveCursorPosition(), so there can be -** at most one effective restoreCursorPosition() call after each +** at most one effective restoreCursorPosition() call after each ** saveCursorPosition(). */ static int btreeRestoreCursorPosition(BtCursor *pCur){ @@ -64296,7 +65384,7 @@ SQLITE_PRIVATE BtCursor *sqlite3BtreeFakeValidCursor(void){ /* ** This routine restores a cursor back to its original position after it ** has been moved by some outside activity (such as a btree rebalance or -** a row having been deleted out from under the cursor). +** a row having been deleted out from under the cursor). ** ** On success, the *pDifferentRow parameter is false if the cursor is left ** pointing at exactly the same row. *pDifferntRow is the row the cursor @@ -64361,7 +65449,7 @@ static Pgno ptrmapPageno(BtShared *pBt, Pgno pgno){ if( pgno<2 ) return 0; nPagesPerMapPage = (pBt->usableSize/5)+1; iPtrMap = (pgno-2)/nPagesPerMapPage; - ret = (iPtrMap*nPagesPerMapPage) + 2; + ret = (iPtrMap*nPagesPerMapPage) + 2; if( ret==PENDING_BYTE_PAGE(pBt) ){ ret++; } @@ -64388,7 +65476,7 @@ static void ptrmapPut(BtShared *pBt, Pgno key, u8 eType, Pgno parent, int *pRC){ if( *pRC ) return; assert( sqlite3_mutex_held(pBt->mutex) ); - /* The master-journal page number must never be used as a pointer map page */ + /* The super-journal page number must never be used as a pointer map page */ assert( 0==PTRMAP_ISPAGE(pBt, PENDING_BYTE_PAGE(pBt)) ); assert( pBt->autoVacuum ); @@ -64707,7 +65795,7 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){ } pIter++; if( pPage->intKey ){ - /* pIter now points at the 64-bit integer key value, a variable length + /* pIter now points at the 64-bit integer key value, a variable length ** integer. The following block moves pIter to point at the first byte ** past the end of the key value. */ pEnd = &pIter[9]; @@ -64832,7 +65920,7 @@ static int defragmentPage(MemPage *pPage, int nMaxFrag){ /* This block handles pages with two or fewer free blocks and nMaxFrag ** or fewer fragmented bytes. In this case it is faster to move the ** two (or one) blocks of cells using memmove() and add the required - ** offsets to each pointer in the cell-pointer array than it is to + ** offsets to each pointer in the cell-pointer array than it is to ** reconstruct the entire page. */ if( (int)data[hdr+7]<=nMaxFrag ){ int iFree = get2byte(&data[hdr+1]); @@ -64855,7 +65943,7 @@ static int defragmentPage(MemPage *pPage, int nMaxFrag){ if( iFree2+sz2 > usableSize ) return SQLITE_CORRUPT_PAGE(pPage); memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz)); sz += sz2; - }else if( iFree+sz>usableSize ){ + }else if( NEVER(iFree+sz>usableSize) ){ return SQLITE_CORRUPT_PAGE(pPage); } @@ -65010,7 +66098,7 @@ static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ int top; /* First byte of cell content area */ int rc = SQLITE_OK; /* Integer return code */ int gap; /* First byte of gap between cell pointers and cell content */ - + assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( pPage->pBt ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); @@ -65047,8 +66135,10 @@ static int allocateSpace(MemPage *pPage, int nByte, int *pIdx){ if( (data[hdr+2] || data[hdr+1]) && gap+2<=top ){ u8 *pSpace = pageFindSlot(pPage, nByte, &rc); if( pSpace ){ + int g2; assert( pSpace+nByte<=data+pPage->pBt->usableSize ); - if( (*pIdx = (int)(pSpace-data))<=gap ){ + *pIdx = g2 = (int)(pSpace-data); + if( NEVER(g2<=gap) ){ return SQLITE_CORRUPT_PAGE(pPage); }else{ return SQLITE_OK; @@ -65116,7 +66206,7 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ assert( iSize>=4 ); /* Minimum cell size is 4 */ assert( iStart<=pPage->pBt->usableSize-4 ); - /* The list of freeblocks must be in ascending order. Find the + /* The list of freeblocks must be in ascending order. Find the ** spot on the list where iStart should be inserted. */ hdr = pPage->hdrOffset; @@ -65126,16 +66216,16 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ }else{ while( (iFreeBlk = get2byte(&data[iPtr]))<iStart ){ if( iFreeBlk<iPtr+4 ){ - if( iFreeBlk==0 ) break; + if( iFreeBlk==0 ) break; /* TH3: corrupt082.100 */ return SQLITE_CORRUPT_PAGE(pPage); } iPtr = iFreeBlk; } - if( iFreeBlk>pPage->pBt->usableSize-4 ){ + if( iFreeBlk>pPage->pBt->usableSize-4 ){ /* TH3: corrupt081.100 */ return SQLITE_CORRUPT_PAGE(pPage); } assert( iFreeBlk>iPtr || iFreeBlk==0 ); - + /* At this point: ** iFreeBlk: First freeblock after iStart, or zero if none ** iPtr: The address of a pointer to iFreeBlk @@ -65152,7 +66242,7 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ iSize = iEnd - iStart; iFreeBlk = get2byte(&data[iFreeBlk]); } - + /* If iPtr is another freeblock (that is, if iPtr is not the freelist ** pointer in the page header) then check to see if iStart should be ** coalesced onto the end of iPtr. @@ -65174,7 +66264,8 @@ static int freeSpace(MemPage *pPage, u16 iStart, u16 iSize){ /* The new freeblock is at the beginning of the cell content area, ** so just extend the cell content area rather than create another ** freelist entry */ - if( iStart<x || iPtr!=hdr+1 ) return SQLITE_CORRUPT_PAGE(pPage); + if( iStart<x ) return SQLITE_CORRUPT_PAGE(pPage); + if( iPtr!=hdr+1 ) return SQLITE_CORRUPT_PAGE(pPage); put2byte(&data[hdr+1], iFreeBlk); put2byte(&data[hdr+5], iEnd); }else{ @@ -65294,11 +66385,11 @@ static int btreeComputeFreeSpace(MemPage *pPage){ nFree = data[hdr+7] + top; /* Init nFree to non-freeblock free space */ if( pc>0 ){ u32 next, size; - if( pc<iCellFirst ){ + if( pc<top ){ /* EVIDENCE-OF: R-55530-52930 In a well-formed b-tree page, there will ** always be at least one cell before the first freeblock. */ - return SQLITE_CORRUPT_PAGE(pPage); + return SQLITE_CORRUPT_PAGE(pPage); } while( 1 ){ if( pc>iCellLast ){ @@ -65337,7 +66428,7 @@ static int btreeComputeFreeSpace(MemPage *pPage){ /* ** Do additional sanity check after btreeInitPage() if -** PRAGMA cell_size_check=ON +** PRAGMA cell_size_check=ON */ static SQLITE_NOINLINE int btreeCellSizeCheck(MemPage *pPage){ int iCellFirst; /* First allowable cell or freeblock offset */ @@ -65375,7 +66466,7 @@ static SQLITE_NOINLINE int btreeCellSizeCheck(MemPage *pPage){ ** Initialize the auxiliary information for a disk block. ** ** Return SQLITE_OK on success. If we see that the page does -** not contain a well-formed database page, then return +** not contain a well-formed database page, then return ** SQLITE_CORRUPT. Note that a return of SQLITE_OK does not ** guarantee that the page is well-formed. It only shows that ** we failed to detect any corruption. @@ -65480,7 +66571,7 @@ static MemPage *btreePageFromDbPage(DbPage *pDbPage, Pgno pgno, BtShared *pBt){ pPage->hdrOffset = pgno==1 ? 100 : 0; } assert( pPage->aData==sqlite3PagerGetData(pDbPage) ); - return pPage; + return pPage; } /* @@ -65533,9 +66624,8 @@ static MemPage *btreePageLookup(BtShared *pBt, Pgno pgno){ static Pgno btreePagecount(BtShared *pBt){ return pBt->nPage; } -SQLITE_PRIVATE u32 sqlite3BtreeLastPage(Btree *p){ +SQLITE_PRIVATE Pgno sqlite3BtreeLastPage(Btree *p){ assert( sqlite3BtreeHoldsMutex(p) ); - assert( ((p->pBt->nPage)&0x80000000)==0 ); return btreePagecount(p->pBt); } @@ -65698,17 +66788,16 @@ static int btreeInvokeBusyHandler(void *pArg){ BtShared *pBt = (BtShared*)pArg; assert( pBt->db ); assert( sqlite3_mutex_held(pBt->db->mutex) ); - return sqlite3InvokeBusyHandler(&pBt->db->busyHandler, - sqlite3PagerFile(pBt->pPager)); + return sqlite3InvokeBusyHandler(&pBt->db->busyHandler); } /* ** Open a database file. -** +** ** zFilename is the name of the database file. If zFilename is NULL ** then an ephemeral database is created. The ephemeral database might ** be exclusively in memory, or it might use a disk-based memory cache. -** Either way, the ephemeral database will be automatically deleted +** Either way, the ephemeral database will be automatically deleted ** when sqlite3BtreeClose() is called. ** ** If zFilename is ":memory:" then an in-memory database is created @@ -65741,7 +66830,7 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( /* True if opening an ephemeral, temporary database */ const int isTempDb = zFilename==0 || zFilename[0]==0; - /* Set the variable isMemdb to true for an in-memory database, or + /* Set the variable isMemdb to true for an in-memory database, or ** false for a file-based database. */ #ifdef SQLITE_OMIT_MEMORYDB @@ -65803,15 +66892,19 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( rc = sqlite3OsFullPathname(pVfs, zFilename, nFullPathname, zFullPathname); if( rc ){ - sqlite3_free(zFullPathname); - sqlite3_free(p); - return rc; + if( rc==SQLITE_OK_SYMLINK ){ + rc = SQLITE_OK; + }else{ + sqlite3_free(zFullPathname); + sqlite3_free(p); + return rc; + } } } #if SQLITE_THREADSAFE mutexOpen = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_OPEN); sqlite3_mutex_enter(mutexOpen); - mutexShared = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); + mutexShared = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); sqlite3_mutex_enter(mutexShared); #endif for(pBt=GLOBAL(BtShared*,sqlite3SharedCacheList); pBt; pBt=pBt->pNext){ @@ -65860,7 +66953,7 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( assert( sizeof(u32)==4 ); assert( sizeof(u16)==2 ); assert( sizeof(Pgno)==4 ); - + pBt = sqlite3MallocZero( sizeof(*pBt) ); if( pBt==0 ){ rc = SQLITE_NOMEM_BKPT; @@ -65879,7 +66972,7 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( pBt->db = db; sqlite3PagerSetBusyHandler(pBt->pPager, btreeInvokeBusyHandler, pBt); p->pBt = pBt; - + pBt->pCursor = 0; pBt->pPage1 = 0; if( sqlite3PagerIsreadonly(pBt->pPager) ) pBt->btsFlags |= BTS_READ_ONLY; @@ -65923,14 +67016,14 @@ SQLITE_PRIVATE int sqlite3BtreeOpen( if( rc ) goto btree_open_out; pBt->usableSize = pBt->pageSize - nReserve; assert( (pBt->pageSize & 7)==0 ); /* 8-byte alignment of pageSize */ - + #if !defined(SQLITE_OMIT_SHARED_CACHE) && !defined(SQLITE_OMIT_DISKIO) /* Add the new BtShared object to the linked list sharable BtShareds. */ pBt->nRef = 1; if( p->sharable ){ MUTEX_LOGIC( sqlite3_mutex *mutexShared; ) - MUTEX_LOGIC( mutexShared = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER);) + MUTEX_LOGIC( mutexShared = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN);) if( SQLITE_THREADSAFE && sqlite3GlobalConfig.bCoreMutex ){ pBt->mutex = sqlite3MutexAlloc(SQLITE_MUTEX_FAST); if( pBt->mutex==0 ){ @@ -66019,13 +67112,13 @@ btree_open_out: */ static int removeFromSharingList(BtShared *pBt){ #ifndef SQLITE_OMIT_SHARED_CACHE - MUTEX_LOGIC( sqlite3_mutex *pMaster; ) + MUTEX_LOGIC( sqlite3_mutex *pMainMtx; ) BtShared *pList; int removed = 0; assert( sqlite3_mutex_notheld(pBt->mutex) ); - MUTEX_LOGIC( pMaster = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); ) - sqlite3_mutex_enter(pMaster); + MUTEX_LOGIC( pMainMtx = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) + sqlite3_mutex_enter(pMainMtx); pBt->nRef--; if( pBt->nRef<=0 ){ if( GLOBAL(BtShared*,sqlite3SharedCacheList)==pBt ){ @@ -66044,7 +67137,7 @@ static int removeFromSharingList(BtShared *pBt){ } removed = 1; } - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); return removed; #else return 1; @@ -66052,7 +67145,7 @@ static int removeFromSharingList(BtShared *pBt){ } /* -** Make sure pBt->pTmpSpace points to an allocation of +** Make sure pBt->pTmpSpace points to an allocation of ** MX_CELL_SIZE(pBt) bytes with a 4-byte prefix for a left-child ** pointer. */ @@ -66067,7 +67160,7 @@ static void allocateTempSpace(BtShared *pBt){ ** can mean that fillInCell() only initializes the first 2 or 3 ** bytes of pTmpSpace, but that the first 4 bytes are copied from ** it into a database page. This is not actually a problem, but it - ** does cause a valgrind error when the 1 or 2 bytes of unitialized + ** does cause a valgrind error when the 1 or 2 bytes of unitialized ** data is passed to system call write(). So to avoid this error, ** zero the first 4 bytes of temp space here. ** @@ -66120,7 +67213,7 @@ SQLITE_PRIVATE int sqlite3BtreeClose(Btree *p){ sqlite3BtreeLeave(p); /* If there are still other outstanding references to the shared-btree - ** structure, return now. The remainder of this procedure cleans + ** structure, return now. The remainder of this procedure cleans ** up the shared-btree. */ assert( p->wantToLock==0 && p->locked==0 ); @@ -66226,7 +67319,7 @@ SQLITE_PRIVATE int sqlite3BtreeSetPagerFlags( /* ** Change the default pages size and the number of reserved bytes per page. -** Or, if the page size has already been fixed, return SQLITE_READONLY +** Or, if the page size has already been fixed, return SQLITE_READONLY ** without changing anything. ** ** The page size must be a power of 2 between 512 and 65536. If the page @@ -66246,19 +67339,17 @@ SQLITE_PRIVATE int sqlite3BtreeSetPagerFlags( */ SQLITE_PRIVATE int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, int iFix){ int rc = SQLITE_OK; + int x; BtShared *pBt = p->pBt; - assert( nReserve>=-1 && nReserve<=255 ); + assert( nReserve>=0 && nReserve<=255 ); sqlite3BtreeEnter(p); -#if SQLITE_HAS_CODEC - if( nReserve>pBt->optimalReserve ) pBt->optimalReserve = (u8)nReserve; -#endif + pBt->nReserveWanted = nReserve; + x = pBt->pageSize - pBt->usableSize; + if( nReserve<x ) nReserve = x; if( pBt->btsFlags & BTS_PAGESIZE_FIXED ){ sqlite3BtreeLeave(p); return SQLITE_READONLY; } - if( nReserve<0 ){ - nReserve = pBt->pageSize - pBt->usableSize; - } assert( nReserve>=0 && nReserve<=255 ); if( pageSize>=512 && pageSize<=SQLITE_MAX_PAGE_SIZE && ((pageSize-1)&pageSize)==0 ){ @@ -66287,7 +67378,7 @@ SQLITE_PRIVATE int sqlite3BtreeGetPageSize(Btree *p){ ** held. ** ** This is useful in one special case in the backup API code where it is -** known that the shared b-tree mutex is held, but the mutex on the +** known that the shared b-tree mutex is held, but the mutex on the ** database handle that owns *p is not. In this case if sqlite3BtreeEnter() ** were to be called, it might collide with some other operation on the ** database handle that owns *p, causing undefined behavior. @@ -66304,19 +67395,17 @@ SQLITE_PRIVATE int sqlite3BtreeGetReserveNoMutex(Btree *p){ ** are intentually left unused. This is the "reserved" space that is ** sometimes used by extensions. ** -** If SQLITE_HAS_MUTEX is defined then the number returned is the -** greater of the current reserved space and the maximum requested -** reserve space. +** The value returned is the larger of the current reserve size and +** the latest reserve size requested by SQLITE_FILECTRL_RESERVE_BYTES. +** The amount of reserve can only grow - never shrink. */ -SQLITE_PRIVATE int sqlite3BtreeGetOptimalReserve(Btree *p){ - int n; +SQLITE_PRIVATE int sqlite3BtreeGetRequestedReserve(Btree *p){ + int n1, n2; sqlite3BtreeEnter(p); - n = sqlite3BtreeGetReserveNoMutex(p); -#ifdef SQLITE_HAS_CODEC - if( n<p->pBt->optimalReserve ) n = p->pBt->optimalReserve; -#endif + n1 = (int)p->pBt->nReserveWanted; + n2 = sqlite3BtreeGetReserveNoMutex(p); sqlite3BtreeLeave(p); - return n; + return n1>n2 ? n1 : n2; } @@ -66325,8 +67414,8 @@ SQLITE_PRIVATE int sqlite3BtreeGetOptimalReserve(Btree *p){ ** No changes are made if mxPage is 0 or negative. ** Regardless of the value of mxPage, return the maximum page count. */ -SQLITE_PRIVATE int sqlite3BtreeMaxPageCount(Btree *p, int mxPage){ - int n; +SQLITE_PRIVATE Pgno sqlite3BtreeMaxPageCount(Btree *p, Pgno mxPage){ + Pgno n; sqlite3BtreeEnter(p); n = sqlite3PagerMaxPageCount(p->pBt->pPager, mxPage); sqlite3BtreeLeave(p); @@ -66369,7 +67458,7 @@ SQLITE_PRIVATE int sqlite3BtreeSecureDelete(Btree *p, int newFlag){ /* ** Change the 'auto-vacuum' property of the database. If the 'autoVacuum' ** parameter is non-zero, then auto-vacuum mode is enabled. If zero, it -** is disabled. The default value for the auto-vacuum property is +** is disabled. The default value for the auto-vacuum property is ** determined by the SQLITE_DEFAULT_AUTOVACUUM macro. */ SQLITE_PRIVATE int sqlite3BtreeSetAutoVacuum(Btree *p, int autoVacuum){ @@ -66393,7 +67482,7 @@ SQLITE_PRIVATE int sqlite3BtreeSetAutoVacuum(Btree *p, int autoVacuum){ } /* -** Return the value of the 'auto-vacuum' property. If auto-vacuum is +** Return the value of the 'auto-vacuum' property. If auto-vacuum is ** enabled 1 is returned. Otherwise 0. */ SQLITE_PRIVATE int sqlite3BtreeGetAutoVacuum(Btree *p){ @@ -66425,9 +67514,9 @@ static void setDefaultSyncFlag(BtShared *pBt, u8 safety_level){ Db *pDb; if( (db=pBt->db)!=0 && (pDb=db->aDb)!=0 ){ while( pDb->pBt==0 || pDb->pBt->pBt!=pBt ){ pDb++; } - if( pDb->bSyncSet==0 - && pDb->safety_level!=safety_level - && pDb!=&db->aDb[1] + if( pDb->bSyncSet==0 + && pDb->safety_level!=safety_level + && pDb!=&db->aDb[1] ){ pDb->safety_level = safety_level; sqlite3PagerSetFlags(pBt->pPager, @@ -66450,7 +67539,7 @@ static int newDatabase(BtShared*); ** SQLITE_OK is returned on success. If the file is not a ** well-formed database file, then SQLITE_CORRUPT is returned. ** SQLITE_BUSY is returned if the database is locked. SQLITE_NOMEM -** is returned if we run out of memory. +** is returned if we run out of memory. */ static int lockBtree(BtShared *pBt){ int rc; /* Result code from subfunctions */ @@ -66467,7 +67556,7 @@ static int lockBtree(BtShared *pBt){ if( rc!=SQLITE_OK ) return rc; /* Do some checking to help insure the file we opened really is - ** a valid database file. + ** a valid database file. */ nPage = nPageHeader = get4byte(28+(u8*)pPage1->aData); sqlite3PagerPagecount(pBt->pPager, (int*)&nPageFile); @@ -66505,7 +67594,7 @@ static int lockBtree(BtShared *pBt){ } /* If the write version is set to 2, this database should be accessed - ** in WAL mode. If the log is not already open, open it now. Then + ** in WAL mode. If the log is not already open, open it now. Then ** return SQLITE_OK and return without populating BtShared.pPage1. ** The caller detects this and calls this function again. This is ** required as the version of page 1 currently in the page1 buffer @@ -66546,8 +67635,8 @@ static int lockBtree(BtShared *pBt){ /* EVIDENCE-OF: R-25008-21688 The size of a page is a power of two ** between 512 and 65536 inclusive. */ if( ((pageSize-1)&pageSize)!=0 - || pageSize>SQLITE_MAX_PAGE_SIZE - || pageSize<=256 + || pageSize>SQLITE_MAX_PAGE_SIZE + || pageSize<=256 ){ goto page1_init_failed; } @@ -66555,7 +67644,7 @@ static int lockBtree(BtShared *pBt){ assert( (pageSize & 7)==0 ); /* EVIDENCE-OF: R-59310-51205 The "reserved space" size in the 1-byte ** integer at offset 20 is the number of bytes of space at the end of - ** each page to reserve for extensions. + ** each page to reserve for extensions. ** ** EVIDENCE-OF: R-37497-42412 The size of the reserved region is ** determined by the one-byte unsigned integer found at an offset of 20 @@ -66645,7 +67734,7 @@ static int countValidCursors(BtShared *pBt, int wrOnly){ int r = 0; for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){ if( (wrOnly==0 || (pCur->curFlags & BTCF_WriteFlag)!=0) - && pCur->eState!=CURSOR_FAULT ) r++; + && pCur->eState!=CURSOR_FAULT ) r++; } return r; } @@ -66654,7 +67743,7 @@ static int countValidCursors(BtShared *pBt, int wrOnly){ /* ** If there are no outstanding cursors and we are not in the middle ** of a transaction but there is a read lock on the database, then -** this routine unrefs the first page of the database file which +** this routine unrefs the first page of the database file which ** has the effect of releasing the read lock. ** ** If there is a transaction in progress, this routine is a no-op. @@ -66738,8 +67827,8 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p){ ** upgraded to exclusive by calling this routine a second time - the ** exclusivity flag only works for a new transaction. ** -** A write-transaction must be started before attempting any -** changes to the database. None of the following routines +** A write-transaction must be started before attempting any +** changes to the database. None of the following routines ** will work unless a transaction is started first: ** ** sqlite3BtreeCreateTable() @@ -66753,7 +67842,7 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p){ ** If an initial attempt to acquire the lock fails because of lock contention ** and the database was previously unlocked, then invoke the busy handler ** if there is one. But if there was previously a read-lock, do not -** invoke the busy handler - just return SQLITE_BUSY. SQLITE_BUSY is +** invoke the busy handler - just return SQLITE_BUSY. SQLITE_BUSY is ** returned when there is already a read-lock in order to avoid a deadlock. ** ** Suppose there are two processes A and B. A has a read lock and B has @@ -66766,6 +67855,7 @@ SQLITE_PRIVATE int sqlite3BtreeNewDb(Btree *p){ */ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVersion){ BtShared *pBt = p->pBt; + Pager *pPager = pBt->pPager; int rc = SQLITE_OK; sqlite3BtreeEnter(p); @@ -66780,8 +67870,8 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVers } assert( pBt->inTransaction==TRANS_WRITE || IfNotOmitAV(pBt->bDoTruncate)==0 ); - if( (p->db->flags & SQLITE_ResetDatabase) - && sqlite3PagerIsreadonly(pBt->pPager)==0 + if( (p->db->flags & SQLITE_ResetDatabase) + && sqlite3PagerIsreadonly(pPager)==0 ){ pBt->btsFlags &= ~BTS_READ_ONLY; } @@ -66795,7 +67885,7 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVers #ifndef SQLITE_OMIT_SHARED_CACHE { sqlite3 *pBlock = 0; - /* If another database handle has already opened a write transaction + /* If another database handle has already opened a write transaction ** on this shared-btree structure and a second write transaction is ** requested, return SQLITE_LOCKED. */ @@ -66820,19 +67910,31 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVers } #endif - /* Any read-only or read-write transaction implies a read-lock on - ** page 1. So if some other shared-cache client already has a write-lock + /* Any read-only or read-write transaction implies a read-lock on + ** page 1. So if some other shared-cache client already has a write-lock ** on page 1, the transaction cannot be opened. */ - rc = querySharedCacheTableLock(p, MASTER_ROOT, READ_LOCK); + rc = querySharedCacheTableLock(p, SCHEMA_ROOT, READ_LOCK); if( SQLITE_OK!=rc ) goto trans_begun; pBt->btsFlags &= ~BTS_INITIALLY_EMPTY; if( pBt->nPage==0 ) pBt->btsFlags |= BTS_INITIALLY_EMPTY; do { + sqlite3PagerWalDb(pPager, p->db); + +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + /* If transitioning from no transaction directly to a write transaction, + ** block for the WRITER lock first if possible. */ + if( pBt->pPage1==0 && wrflag ){ + assert( pBt->inTransaction==TRANS_NONE ); + rc = sqlite3PagerWalWriteLock(pPager, 1); + if( rc!=SQLITE_BUSY && rc!=SQLITE_OK ) break; + } +#endif + /* Call lockBtree() until either pBt->pPage1 is populated or ** lockBtree() returns something other than SQLITE_OK. lockBtree() ** may return SQLITE_OK but leave pBt->pPage1 set to 0 if after - ** reading page 1 it discovers that the page-size of the database + ** reading page 1 it discovers that the page-size of the database ** file is not pBt->pageSize. In this case lockBtree() will update ** pBt->pageSize to the page-size of the file on disk. */ @@ -66842,7 +67944,7 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVers if( (pBt->btsFlags & BTS_READ_ONLY)!=0 ){ rc = SQLITE_READONLY; }else{ - rc = sqlite3PagerBegin(pBt->pPager,wrflag>1,sqlite3TempInMemory(p->db)); + rc = sqlite3PagerBegin(pPager, wrflag>1, sqlite3TempInMemory(p->db)); if( rc==SQLITE_OK ){ rc = newDatabase(pBt); }else if( rc==SQLITE_BUSY_SNAPSHOT && pBt->inTransaction==TRANS_NONE ){ @@ -66853,13 +67955,17 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVers } } } - + if( rc!=SQLITE_OK ){ + (void)sqlite3PagerWalWriteLock(pPager, 0); unlockBtreeIfUnused(pBt); } }while( (rc&0xFF)==SQLITE_BUSY && pBt->inTransaction==TRANS_NONE && btreeInvokeBusyHandler(pBt) ); - sqlite3PagerResetLockTimeout(pBt->pPager); + sqlite3PagerWalDb(pPager, 0); +#ifdef SQLITE_ENABLE_SETLK_TIMEOUT + if( rc==SQLITE_BUSY_TIMEOUT ) rc = SQLITE_BUSY; +#endif if( rc==SQLITE_OK ){ if( p->inTrans==TRANS_NONE ){ @@ -66888,7 +67994,7 @@ SQLITE_PRIVATE int sqlite3BtreeBeginTrans(Btree *p, int wrflag, int *pSchemaVers /* If the db-size header field is incorrect (as it may be if an old ** client has been writing the database file), update it now. Doing - ** this sooner rather than later means the database size can safely + ** this sooner rather than later means the database size can safely ** re-read the database size from page 1 if a savepoint or transaction ** rollback occurs within the transaction. */ @@ -66911,7 +68017,7 @@ trans_begun: ** open savepoints. If the second parameter is greater than 0 and ** the sub-journal is not already open, then it will be opened here. */ - rc = sqlite3PagerOpenSavepoint(pBt->pPager, p->db->nSavepoint); + rc = sqlite3PagerOpenSavepoint(pPager, p->db->nSavepoint); } } @@ -66963,7 +68069,7 @@ static int setChildPtrmaps(MemPage *pPage){ ** that it points to iTo. Parameter eType describes the type of pointer to ** be modified, as follows: ** -** PTRMAP_BTREE: pPage is a btree-page. The pointer points at a child +** PTRMAP_BTREE: pPage is a btree-page. The pointer points at a child ** page of pPage. ** ** PTRMAP_OVERFLOW1: pPage is a btree-page. The pointer points at an overflow @@ -67011,9 +68117,9 @@ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ } } } - + if( i==nCell ){ - if( eType!=PTRMAP_BTREE || + if( eType!=PTRMAP_BTREE || get4byte(&pPage->aData[pPage->hdrOffset+8])!=iFrom ){ return SQLITE_CORRUPT_PAGE(pPage); } @@ -67025,11 +68131,11 @@ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ /* -** Move the open database page pDbPage to location iFreePage in the +** Move the open database page pDbPage to location iFreePage in the ** database. The pDbPage reference remains valid. ** ** The isCommit flag indicates that there is no need to remember that -** the journal needs to be sync()ed before database page pDbPage->pgno +** the journal needs to be sync()ed before database page pDbPage->pgno ** can be written to. The caller has already promised not to write to that ** page. */ @@ -67046,14 +68152,14 @@ static int relocatePage( Pager *pPager = pBt->pPager; int rc; - assert( eType==PTRMAP_OVERFLOW2 || eType==PTRMAP_OVERFLOW1 || + assert( eType==PTRMAP_OVERFLOW2 || eType==PTRMAP_OVERFLOW1 || eType==PTRMAP_BTREE || eType==PTRMAP_ROOTPAGE ); assert( sqlite3_mutex_held(pBt->mutex) ); assert( pDbPage->pBt==pBt ); if( iDbPage<3 ) return SQLITE_CORRUPT_BKPT; /* Move page iDbPage from its current location to page number iFreePage */ - TRACE(("AUTOVACUUM: Moving %d to free page %d (ptr page %d type %d)\n", + TRACE(("AUTOVACUUM: Moving %d to free page %d (ptr page %d type %d)\n", iDbPage, iFreePage, iPtrPage, eType)); rc = sqlite3PagerMovepage(pPager, pDbPage->pDbPage, iFreePage, isCommit); if( rc!=SQLITE_OK ){ @@ -67112,19 +68218,19 @@ static int allocateBtreePage(BtShared *, MemPage **, Pgno *, Pgno, u8); /* ** Perform a single step of an incremental-vacuum. If successful, return -** SQLITE_OK. If there is no work to do (and therefore no point in -** calling this function again), return SQLITE_DONE. Or, if an error +** SQLITE_OK. If there is no work to do (and therefore no point in +** calling this function again), return SQLITE_DONE. Or, if an error ** occurs, return some other error code. ** -** More specifically, this function attempts to re-organize the database so +** More specifically, this function attempts to re-organize the database so ** that the last page of the file currently in use is no longer in use. ** ** Parameter nFin is the number of pages that this database would contain ** were this function called until it returns SQLITE_DONE. ** -** If the bCommit parameter is non-zero, this function assumes that the -** caller will keep calling incrVacuumStep() until it returns SQLITE_DONE -** or an error. bCommit is passed true for an auto-vacuum-on-commit +** If the bCommit parameter is non-zero, this function assumes that the +** caller will keep calling incrVacuumStep() until it returns SQLITE_DONE +** or an error. bCommit is passed true for an auto-vacuum-on-commit ** operation, or false for an incremental vacuum. */ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg, int bCommit){ @@ -67155,7 +68261,7 @@ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg, int bCommit){ if( bCommit==0 ){ /* Remove the page from the files free-list. This is not required ** if bCommit is non-zero. In that case, the free-list will be - ** truncated to zero after this function returns, so it doesn't + ** truncated to zero after this function returns, so it doesn't ** matter if it still contains some garbage entries. */ Pgno iFreePg; @@ -67199,7 +68305,7 @@ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg, int bCommit){ releasePage(pFreePg); }while( bCommit && iFreePg>nFin ); assert( iFreePg<iLastPg ); - + rc = relocatePage(pBt, pLastPg, eType, iPtrPage, iFreePg, bCommit); releasePage(pLastPg); if( rc!=SQLITE_OK ){ @@ -67220,7 +68326,7 @@ static int incrVacuumStep(BtShared *pBt, Pgno nFin, Pgno iLastPg, int bCommit){ /* ** The database opened by the first argument is an auto-vacuum database -** nOrig pages in size containing nFree free pages. Return the expected +** nOrig pages in size containing nFree free pages. Return the expected ** size of the database in pages following an auto-vacuum operation. */ static Pgno finalDbSize(BtShared *pBt, Pgno nOrig, Pgno nFree){ @@ -67247,7 +68353,7 @@ static Pgno finalDbSize(BtShared *pBt, Pgno nOrig, Pgno nFree){ ** ** If the incremental vacuum is finished after this function has run, ** SQLITE_DONE is returned. If it is not finished, but no error occurred, -** SQLITE_OK is returned. Otherwise an SQLite error code. +** SQLITE_OK is returned. Otherwise an SQLite error code. */ SQLITE_PRIVATE int sqlite3BtreeIncrVacuum(Btree *p){ int rc; @@ -67262,7 +68368,7 @@ SQLITE_PRIVATE int sqlite3BtreeIncrVacuum(Btree *p){ Pgno nFree = get4byte(&pBt->pPage1->aData[36]); Pgno nFin = finalDbSize(pBt, nOrig, nFree); - if( nOrig<nFin ){ + if( nOrig<nFin || nFree>=nOrig ){ rc = SQLITE_CORRUPT_BKPT; }else if( nFree>0 ){ rc = saveAllCursors(pBt, 0, 0); @@ -67287,7 +68393,7 @@ SQLITE_PRIVATE int sqlite3BtreeIncrVacuum(Btree *p){ ** is committed for an auto-vacuum database. ** ** If SQLITE_OK is returned, then *pnTrunc is set to the number of pages -** the database file should be truncated to during the commit process. +** the database file should be truncated to during the commit process. ** i.e. the database has been reorganized so that only the first *pnTrunc ** pages are in use. */ @@ -67359,18 +68465,18 @@ static int autoVacuumCommit(BtShared *pBt){ ** ** This call is a no-op if no write-transaction is currently active on pBt. ** -** Otherwise, sync the database file for the btree pBt. zMaster points to -** the name of a master journal file that should be written into the -** individual journal file, or is NULL, indicating no master journal file +** Otherwise, sync the database file for the btree pBt. zSuperJrnl points to +** the name of a super-journal file that should be written into the +** individual journal file, or is NULL, indicating no super-journal file ** (single database transaction). ** -** When this is called, the master journal should already have been +** When this is called, the super-journal should already have been ** created, populated with this journal pointer and synced to disk. ** ** Once this is routine has returned, the only thing required to commit ** the write-transaction for this database file is to delete the journal. */ -SQLITE_PRIVATE int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zMaster){ +SQLITE_PRIVATE int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zSuperJrnl){ int rc = SQLITE_OK; if( p->inTrans==TRANS_WRITE ){ BtShared *pBt = p->pBt; @@ -67387,7 +68493,7 @@ SQLITE_PRIVATE int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zMaster){ sqlite3PagerTruncateImage(pBt->pPager, pBt->nPage); } #endif - rc = sqlite3PagerCommitPhaseOne(pBt->pPager, zMaster, 0); + rc = sqlite3PagerCommitPhaseOne(pBt->pPager, zSuperJrnl, 0); sqlite3BtreeLeave(p); } return rc; @@ -67412,8 +68518,8 @@ static void btreeEndTransaction(Btree *p){ downgradeAllSharedCacheTableLocks(p); p->inTrans = TRANS_READ; }else{ - /* If the handle had any kind of transaction open, decrement the - ** transaction count of the shared btree. If the transaction count + /* If the handle had any kind of transaction open, decrement the + ** transaction count of the shared btree. If the transaction count ** reaches 0, set the shared state to TRANS_NONE. The unlockBtreeIfUnused() ** call below will unlock the pager. */ if( p->inTrans!=TRANS_NONE ){ @@ -67424,7 +68530,7 @@ static void btreeEndTransaction(Btree *p){ } } - /* Set the current transaction state to TRANS_NONE and unlock the + /* Set the current transaction state to TRANS_NONE and unlock the ** pager if this call closed the only read or write transaction. */ p->inTrans = TRANS_NONE; unlockBtreeIfUnused(pBt); @@ -67445,12 +68551,12 @@ static void btreeEndTransaction(Btree *p){ ** the rollback journal (which causes the transaction to commit) and ** drop locks. ** -** Normally, if an error occurs while the pager layer is attempting to +** Normally, if an error occurs while the pager layer is attempting to ** finalize the underlying journal file, this function returns an error and ** the upper layer will attempt a rollback. However, if the second argument -** is non-zero then this b-tree transaction is part of a multi-file -** transaction. In this case, the transaction has already been committed -** (by deleting a master journal file) and the caller will ignore this +** is non-zero then this b-tree transaction is part of a multi-file +** transaction. In this case, the transaction has already been committed +** (by deleting a super-journal file) and the caller will ignore this ** functions return code. So, even if an error occurs in the pager layer, ** reset the b-tree objects internal state to indicate that the write ** transaction has been closed. This is quite safe, as the pager will have @@ -67465,7 +68571,7 @@ SQLITE_PRIVATE int sqlite3BtreeCommitPhaseTwo(Btree *p, int bCleanup){ sqlite3BtreeEnter(p); btreeIntegrity(p); - /* If the handle has a write-transaction open, commit the shared-btrees + /* If the handle has a write-transaction open, commit the shared-btrees ** transaction and set the shared state to TRANS_READ. */ if( p->inTrans==TRANS_WRITE ){ @@ -67514,15 +68620,15 @@ SQLITE_PRIVATE int sqlite3BtreeCommit(Btree *p){ ** ** This routine gets called when a rollback occurs. If the writeOnly ** flag is true, then only write-cursors need be tripped - read-only -** cursors save their current positions so that they may continue -** following the rollback. Or, if writeOnly is false, all cursors are +** cursors save their current positions so that they may continue +** following the rollback. Or, if writeOnly is false, all cursors are ** tripped. In general, writeOnly is false if the transaction being ** rolled back modified the database schema. In this case b-tree root ** pages may be moved or deleted from the database altogether, making ** it unsafe for read cursors to continue. ** -** If the writeOnly flag is true and an error is encountered while -** saving the current position of a read-only cursor, all cursors, +** If the writeOnly flag is true and an error is encountered while +** saving the current position of a read-only cursor, all cursors, ** including all read-cursors are tripped. ** ** SQLITE_OK is returned if successful, or if an error occurs while @@ -67628,8 +68734,8 @@ SQLITE_PRIVATE int sqlite3BtreeRollback(Btree *p, int tripCode, int writeOnly){ /* ** Start a statement subtransaction. The subtransaction can be rolled -** back independently of the main transaction. You must start a transaction -** before starting a subtransaction. The subtransaction is ended automatically +** back independently of the main transaction. You must start a transaction +** before starting a subtransaction. The subtransaction is ended automatically ** if the main transaction commits or rolls back. ** ** Statement subtransactions are used around individual SQL statements @@ -67666,11 +68772,11 @@ SQLITE_PRIVATE int sqlite3BtreeBeginStmt(Btree *p, int iStatement){ /* ** The second argument to this function, op, is always SAVEPOINT_ROLLBACK ** or SAVEPOINT_RELEASE. This function either releases or rolls back the -** savepoint identified by parameter iSavepoint, depending on the value +** savepoint identified by parameter iSavepoint, depending on the value ** of op. ** ** Normally, iSavepoint is greater than or equal to zero. However, if op is -** SAVEPOINT_ROLLBACK, then iSavepoint may also be -1. In this case the +** SAVEPOINT_ROLLBACK, then iSavepoint may also be -1. In this case the ** contents of the entire transaction are rolled back. This is different ** from a normal transaction rollback, as no locks are released and the ** transaction remains open. @@ -67695,7 +68801,7 @@ SQLITE_PRIVATE int sqlite3BtreeSavepoint(Btree *p, int op, int iSavepoint){ rc = newDatabase(pBt); btreeSetNPage(pBt, pBt->pPage1); - /* pBt->nPage might be zero if the database was corrupt when + /* pBt->nPage might be zero if the database was corrupt when ** the transaction was started. Otherwise, it must be at least 1. */ assert( CORRUPT_DB || pBt->nPage>0 ); } @@ -67733,10 +68839,10 @@ SQLITE_PRIVATE int sqlite3BtreeSavepoint(Btree *p, int op, int iSavepoint){ ** is set. If FORDELETE is set, that is a hint to the implementation that ** this cursor will only be used to seek to and delete entries of an index ** as part of a larger DELETE statement. The FORDELETE hint is not used by -** this implementation. But in a hypothetical alternative storage engine +** this implementation. But in a hypothetical alternative storage engine ** in which index entries are automatically deleted when corresponding table ** rows are deleted, the FORDELETE flag is a hint that all SEEK and DELETE -** operations on this cursor can be no-ops and all READ operations can +** operations on this cursor can be no-ops and all READ operations can ** return a null row (2-bytes: 0x01 0x00). ** ** No checking is done to make sure that page iTable really is the @@ -67748,7 +68854,7 @@ SQLITE_PRIVATE int sqlite3BtreeSavepoint(Btree *p, int op, int iSavepoint){ */ static int btreeCursor( Btree *p, /* The btree */ - int iTable, /* Root page of table to open */ + Pgno iTable, /* Root page of table to open */ int wrFlag, /* 1 to write. 0 read-only */ struct KeyInfo *pKeyInfo, /* First arg to comparison function */ BtCursor *pCur /* Space for new cursor */ @@ -67757,16 +68863,17 @@ static int btreeCursor( BtCursor *pX; /* Looping over other all cursors */ assert( sqlite3BtreeHoldsMutex(p) ); - assert( wrFlag==0 - || wrFlag==BTREE_WRCSR - || wrFlag==(BTREE_WRCSR|BTREE_FORDELETE) + assert( wrFlag==0 + || wrFlag==BTREE_WRCSR + || wrFlag==(BTREE_WRCSR|BTREE_FORDELETE) ); - /* The following assert statements verify that if this is a sharable - ** b-tree database, the connection is holding the required table locks, - ** and that no other connection has any open cursor that conflicts with - ** this lock. */ - assert( hasSharedCacheTableLock(p, iTable, pKeyInfo!=0, (wrFlag?2:1)) ); + /* The following assert statements verify that if this is a sharable + ** b-tree database, the connection is holding the required table locks, + ** and that no other connection has any open cursor that conflicts with + ** this lock. The iTable<1 term disables the check for corrupt schemas. */ + assert( hasSharedCacheTableLock(p, iTable, pKeyInfo!=0, (wrFlag?2:1)) + || iTable<1 ); assert( wrFlag==0 || !hasReadConflicts(p, iTable) ); /* Assert that the caller has opened the required transaction. */ @@ -67779,14 +68886,18 @@ static int btreeCursor( allocateTempSpace(pBt); if( pBt->pTmpSpace==0 ) return SQLITE_NOMEM_BKPT; } - if( iTable==1 && btreePagecount(pBt)==0 ){ - assert( wrFlag==0 ); - iTable = 0; + if( iTable<=1 ){ + if( iTable<1 ){ + return SQLITE_CORRUPT_BKPT; + }else if( btreePagecount(pBt)==0 ){ + assert( wrFlag==0 ); + iTable = 0; + } } /* Now that no other errors can occur, finish filling in the BtCursor ** variables and link the cursor into the BtShared list. */ - pCur->pgnoRoot = (Pgno)iTable; + pCur->pgnoRoot = iTable; pCur->iPage = -1; pCur->pKeyInfo = pKeyInfo; pCur->pBtree = p; @@ -67796,7 +68907,7 @@ static int btreeCursor( /* If there are two or more cursors on the same btree, then all such ** cursors *must* have the BTCF_Multiple flag set. */ for(pX=pBt->pCursor; pX; pX=pX->pNext){ - if( pX->pgnoRoot==(Pgno)iTable ){ + if( pX->pgnoRoot==iTable ){ pX->curFlags |= BTCF_Multiple; pCur->curFlags |= BTCF_Multiple; } @@ -67806,22 +68917,31 @@ static int btreeCursor( pCur->eState = CURSOR_INVALID; return SQLITE_OK; } +static int btreeCursorWithLock( + Btree *p, /* The btree */ + Pgno iTable, /* Root page of table to open */ + int wrFlag, /* 1 to write. 0 read-only */ + struct KeyInfo *pKeyInfo, /* First arg to comparison function */ + BtCursor *pCur /* Space for new cursor */ +){ + int rc; + sqlite3BtreeEnter(p); + rc = btreeCursor(p, iTable, wrFlag, pKeyInfo, pCur); + sqlite3BtreeLeave(p); + return rc; +} SQLITE_PRIVATE int sqlite3BtreeCursor( Btree *p, /* The btree */ - int iTable, /* Root page of table to open */ + Pgno iTable, /* Root page of table to open */ int wrFlag, /* 1 to write. 0 read-only */ struct KeyInfo *pKeyInfo, /* First arg to xCompare() */ BtCursor *pCur /* Write new cursor here */ ){ - int rc; - if( iTable<1 ){ - rc = SQLITE_CORRUPT_BKPT; + if( p->sharable ){ + return btreeCursorWithLock(p, iTable, wrFlag, pKeyInfo, pCur); }else{ - sqlite3BtreeEnter(p); - rc = btreeCursor(p, iTable, wrFlag, pKeyInfo, pCur); - sqlite3BtreeLeave(p); + return btreeCursor(p, iTable, wrFlag, pKeyInfo, pCur); } - return rc; } /* @@ -67944,6 +69064,18 @@ SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor *pCur){ return pCur->info.nKey; } +/* +** Pin or unpin a cursor. +*/ +SQLITE_PRIVATE void sqlite3BtreeCursorPin(BtCursor *pCur){ + assert( (pCur->curFlags & BTCF_Pinned)==0 ); + pCur->curFlags |= BTCF_Pinned; +} +SQLITE_PRIVATE void sqlite3BtreeCursorUnpin(BtCursor *pCur){ + assert( (pCur->curFlags & BTCF_Pinned)!=0 ); + pCur->curFlags &= ~BTCF_Pinned; +} + #ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC /* ** Return the offset into the database file for the start of the @@ -67995,15 +69127,15 @@ SQLITE_PRIVATE sqlite3_int64 sqlite3BtreeMaxRecordSize(BtCursor *pCur){ /* ** Given the page number of an overflow page in the database (parameter -** ovfl), this function finds the page number of the next page in the +** ovfl), this function finds the page number of the next page in the ** linked list of overflow pages. If possible, it uses the auto-vacuum -** pointer-map data instead of reading the content of page ovfl to do so. +** pointer-map data instead of reading the content of page ovfl to do so. ** ** If an error occurs an SQLite error code is returned. Otherwise: ** -** The page number of the next overflow page in the linked list is -** written to *pPgnoNext. If page ovfl is the last page in its linked -** list, *pPgnoNext is set to zero. +** The page number of the next overflow page in the linked list is +** written to *pPgnoNext. If page ovfl is the last page in its linked +** list, *pPgnoNext is set to zero. ** ** If ppPage is not NULL, and a reference to the MemPage object corresponding ** to page number pOvfl was obtained, then *ppPage is set to point to that @@ -68027,9 +69159,9 @@ static int getOverflowPage( #ifndef SQLITE_OMIT_AUTOVACUUM /* Try to find the next page in the overflow list using the - ** autovacuum pointer-map pages. Guess that the next page in - ** the overflow list is page number (ovfl+1). If that guess turns - ** out to be wrong, fall back to loading the data of page + ** autovacuum pointer-map pages. Guess that the next page in + ** the overflow list is page number (ovfl+1). If that guess turns + ** out to be wrong, fall back to loading the data of page ** number ovfl to determine the next page number. */ if( pBt->autoVacuum ){ @@ -68117,8 +69249,8 @@ static int copyPayload( ** ** If the current cursor entry uses one or more overflow pages ** this function may allocate space for and lazily populate -** the overflow page-list cache array (BtCursor.aOverflow). -** Subsequent calls use this cache to make seeking to the supplied offset +** the overflow page-list cache array (BtCursor.aOverflow). +** Subsequent calls use this cache to make seeking to the supplied offset ** more efficient. ** ** Once an overflow page-list cache has been allocated, it must be @@ -68134,7 +69266,7 @@ static int accessPayload( BtCursor *pCur, /* Cursor pointing to entry to read from */ u32 offset, /* Begin reading this far into payload */ u32 amt, /* Read this many bytes */ - unsigned char *pBuf, /* Write the bytes into this buffer */ + unsigned char *pBuf, /* Write the bytes into this buffer */ int eOp /* zero to read. non-zero to write. */ ){ unsigned char *aPayload; @@ -68225,6 +69357,7 @@ static int accessPayload( assert( rc==SQLITE_OK && amt>0 ); while( nextPage ){ /* If required, populate the overflow page-list cache. */ + if( nextPage > pBt->nPage ) return SQLITE_CORRUPT_BKPT; assert( pCur->aOverflow[iIdx]==0 || pCur->aOverflow[iIdx]==nextPage || CORRUPT_DB ); @@ -68257,12 +69390,12 @@ static int accessPayload( #ifdef SQLITE_DIRECT_OVERFLOW_READ /* If all the following are true: ** - ** 1) this is a read operation, and + ** 1) this is a read operation, and ** 2) data is required from the start of this overflow page, and ** 3) there are no dirty pages in the page-cache ** 4) the database is file-backed, and ** 5) the page is not in the WAL file - ** 6) at least 4 bytes have already been read into the output buffer + ** 6) at least 4 bytes have already been read into the output buffer ** ** then data can be read directly from the database file into the ** output buffer, bypassing the page-cache altogether. This speeds @@ -68370,7 +69503,7 @@ SQLITE_PRIVATE int sqlite3BtreePayloadChecked(BtCursor *pCur, u32 offset, u32 am #endif /* SQLITE_OMIT_INCRBLOB */ /* -** Return a pointer to payload information from the entry that the +** Return a pointer to payload information from the entry that the ** pCur cursor is pointing to. The pointer is to the beginning of ** the key if index btrees (pPage->intKey==0) and is the data for ** table btrees (pPage->intKey==1). The number of bytes of available @@ -68462,7 +69595,7 @@ static int moveToChild(BtCursor *pCur, u32 newPgno){ #ifdef SQLITE_DEBUG /* -** Page pParent is an internal (non-leaf) tree page. This function +** Page pParent is an internal (non-leaf) tree page. This function ** asserts that page number iChild is the left-child if the iIdx'th ** cell in page pParent. Or, if iIdx is equal to the total number of ** cells in pParent, that page number iChild is the right-child of @@ -68479,7 +69612,7 @@ static void assertParentIndex(MemPage *pParent, int iIdx, Pgno iChild){ } } #else -# define assertParentIndex(x,y,z) +# define assertParentIndex(x,y,z) #endif /* @@ -68497,8 +69630,8 @@ static void moveToParent(BtCursor *pCur){ assert( pCur->iPage>0 ); assert( pCur->pPage ); assertParentIndex( - pCur->apPage[pCur->iPage-1], - pCur->aiIdx[pCur->iPage-1], + pCur->apPage[pCur->iPage-1], + pCur->aiIdx[pCur->iPage-1], pCur->pPage->pgno ); testcase( pCur->aiIdx[pCur->iPage-1] > pCur->apPage[pCur->iPage-1]->nCell ); @@ -68515,19 +69648,19 @@ static void moveToParent(BtCursor *pCur){ ** ** If the table has a virtual root page, then the cursor is moved to point ** to the virtual root page instead of the actual root page. A table has a -** virtual root page when the actual root page contains no cells and a +** virtual root page when the actual root page contains no cells and a ** single child page. This can only happen with the table rooted at page 1. ** -** If the b-tree structure is empty, the cursor state is set to +** If the b-tree structure is empty, the cursor state is set to ** CURSOR_INVALID and this routine returns SQLITE_EMPTY. Otherwise, ** the cursor is set to point to the first cell located on the root ** (or virtual root) page and the cursor state is set to CURSOR_VALID. ** ** If this function returns successfully, it may be assumed that the -** page-header flags indicate that the [virtual] root-page is the expected +** page-header flags indicate that the [virtual] root-page is the expected ** kind of b-tree page (i.e. if when opening the cursor the caller did not ** specify a KeyInfo structure the flags byte is set to 0x05 or 0x0D, -** indicating a table b-tree, or if the caller did specify a KeyInfo +** indicating a table b-tree, or if the caller did specify a KeyInfo ** structure the flags byte is set to 0x02 or 0x0A, indicating an index ** b-tree). */ @@ -68578,19 +69711,19 @@ static int moveToRoot(BtCursor *pCur){ /* If pCur->pKeyInfo is not NULL, then the caller that opened this cursor ** expected to open it on an index b-tree. Otherwise, if pKeyInfo is ** NULL, the caller expects a table b-tree. If this is not the case, - ** return an SQLITE_CORRUPT error. + ** return an SQLITE_CORRUPT error. ** ** Earlier versions of SQLite assumed that this test could not fail ** if the root page was already loaded when this function was called (i.e. - ** if pCur->iPage>=0). But this is not so if the database is corrupted - ** in such a way that page pRoot is linked into a second b-tree table + ** if pCur->iPage>=0). But this is not so if the database is corrupted + ** in such a way that page pRoot is linked into a second b-tree table ** (or the freelist). */ assert( pRoot->intKey==1 || pRoot->intKey==0 ); if( pRoot->isInit==0 || (pCur->pKeyInfo==0)!=pRoot->intKey ){ return SQLITE_CORRUPT_PAGE(pCur->pPage); } -skip_init: +skip_init: pCur->ix = 0; pCur->info.nSize = 0; pCur->curFlags &= ~(BTCF_AtLast|BTCF_ValidNKey|BTCF_ValidOvfl); @@ -68690,14 +69823,14 @@ SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor *pCur, int *pRes){ */ SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ int rc; - + assert( cursorOwnsBtShared(pCur) ); assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); /* If the cursor already points to the last entry, this is a no-op. */ if( CURSOR_VALID==pCur->eState && (pCur->curFlags & BTCF_AtLast)!=0 ){ #ifdef SQLITE_DEBUG - /* This block serves to assert() that the cursor really does point + /* This block serves to assert() that the cursor really does point ** to the last entry in the b-tree. */ int ii; for(ii=0; ii<pCur->iPage; ii++){ @@ -68728,10 +69861,10 @@ SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ return rc; } -/* Move the cursor so that it points to an entry near the key +/* Move the cursor so that it points to an entry near the key ** specified by pIdxKey or intKey. Return a success code. ** -** For INTKEY tables, the intKey parameter is used. pIdxKey +** For INTKEY tables, the intKey parameter is used. pIdxKey ** must be NULL. For index tables, pIdxKey is used and intKey ** is ignored. ** @@ -68741,7 +69874,7 @@ SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ ** before or after the key. ** ** An integer is written into *pRes which is the result of -** comparing the key with the entry to which the cursor is +** comparing the key with the entry to which the cursor is ** pointing. The meaning of the integer written into ** *pRes is as follows: ** @@ -68756,7 +69889,7 @@ SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor *pCur, int *pRes){ ** is larger than intKey/pIdxKey. ** ** For index tables, the pIdxKey->eqSeen field is set to 1 if there -** exists an entry in the table that exactly matches pIdxKey. +** exists an entry in the table that exactly matches pIdxKey. */ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( BtCursor *pCur, /* The cursor to be moved */ @@ -68812,8 +69945,8 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( if( pIdxKey ){ xRecordCompare = sqlite3VdbeFindCompare(pIdxKey); pIdxKey->errCode = 0; - assert( pIdxKey->default_rc==1 - || pIdxKey->default_rc==0 + assert( pIdxKey->default_rc==1 + || pIdxKey->default_rc==0 || pIdxKey->default_rc==-1 ); }else{ @@ -68897,9 +70030,9 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( /* The maximum supported page-size is 65536 bytes. This means that ** the maximum number of record bytes stored on an index B-Tree ** page is less than 16384 bytes and may be stored as a 2-byte - ** varint. This information is used to attempt to avoid parsing - ** the entire cell by checking for the cases where the record is - ** stored entirely within the b-tree page by inspecting the first + ** varint. This information is used to attempt to avoid parsing + ** the entire cell by checking for the cases where the record is + ** stored entirely within the b-tree page by inspecting the first ** 2 bytes of the cell. */ nCell = pCell[0]; @@ -68909,10 +70042,10 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( ** b-tree page. */ testcase( pCell+nCell+1==pPage->aDataEnd ); c = xRecordCompare(nCell, (void*)&pCell[1], pIdxKey); - }else if( !(pCell[1] & 0x80) + }else if( !(pCell[1] & 0x80) && (nCell = ((nCell&0x7f)<<7) + pCell[1])<=pPage->maxLocal ){ - /* The record-size field is a 2 byte varint and the record + /* The record-size field is a 2 byte varint and the record ** fits entirely on the main b-tree page. */ testcase( pCell+nCell+2==pPage->aDataEnd ); c = xRecordCompare(nCell, (void*)&pCell[2], pIdxKey); @@ -68920,10 +70053,10 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( /* The record flows over onto one or more overflow pages. In ** this case the whole cell needs to be parsed, a buffer allocated ** and accessPayload() used to retrieve the record into the - ** buffer before VdbeRecordCompare() can be called. + ** buffer before VdbeRecordCompare() can be called. ** ** If the record is corrupt, the xRecordCompare routine may read - ** up to two varints past the end of the buffer. An extra 18 + ** up to two varints past the end of the buffer. An extra 18 ** bytes of padding is allocated at the end of the buffer in ** case this happens. */ void *pCellKey; @@ -68955,7 +70088,7 @@ SQLITE_PRIVATE int sqlite3BtreeMovetoUnpacked( c = sqlite3VdbeRecordCompare(nCell, pCellKey, pIdxKey); sqlite3_free(pCellKey); } - assert( + assert( (pIdxKey->errCode!=SQLITE_CORRUPT || c==0) && (pIdxKey->errCode!=SQLITE_NOMEM || pCur->pBtree->db->mallocFailed) ); @@ -69019,7 +70152,7 @@ SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor *pCur){ /* ** Return an estimate for the number of rows in the table that pCur is -** pointing to. Return a negative number if no estimate is currently +** pointing to. Return a negative number if no estimate is currently ** available. */ SQLITE_PRIVATE i64 sqlite3BtreeRowCountEst(BtCursor *pCur){ @@ -69043,7 +70176,7 @@ SQLITE_PRIVATE i64 sqlite3BtreeRowCountEst(BtCursor *pCur){ } /* -** Advance the cursor to the next entry in the database. +** Advance the cursor to the next entry in the database. ** Return value: ** ** SQLITE_OK success @@ -69096,12 +70229,15 @@ static SQLITE_NOINLINE int btreeNext(BtCursor *pCur){ return SQLITE_CORRUPT_BKPT; } - /* If the database file is corrupt, it is possible for the value of idx + /* If the database file is corrupt, it is possible for the value of idx ** to be invalid here. This can only occur if a second cursor modifies ** the page while cursor pCur is holding a reference to it. Which can ** only happen if the database is corrupt in such a way as to link the - ** page into more than one b-tree structure. */ - testcase( idx>pPage->nCell ); + ** page into more than one b-tree structure. + ** + ** Update 2019-12-23: appears to long longer be possible after the + ** addition of anotherValidCursor() condition on balance_deeper(). */ + harmless( idx>pPage->nCell ); if( idx>=pPage->nCell ){ if( !pPage->leaf ){ @@ -69245,7 +70381,7 @@ SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor *pCur, int flags){ ** SQLITE_OK is returned on success. Any other return value indicates ** an error. *ppPage is set to NULL in the event of an error. ** -** If the "nearby" parameter is not 0, then an effort is made to +** If the "nearby" parameter is not 0, then an effort is made to ** locate a page close to the page number "nearby". This can be used in an ** attempt to keep related pages close to each other in the database file, ** which in turn can make database access faster. @@ -69287,7 +70423,7 @@ static int allocateBtreePage( Pgno iTrunk; u8 searchList = 0; /* If the free-list must be searched for 'nearby' */ u32 nSearch = 0; /* Count of the number of search attempts */ - + /* If eMode==BTALLOC_EXACT and a query of the pointer-map ** shows that the page 'nearby' is somewhere on the free-list, then ** the entire-list will be searched for that page. @@ -69350,8 +70486,8 @@ static int allocateBtreePage( ** is the number of leaf page pointers to follow. */ k = get4byte(&pTrunk->aData[4]); if( k==0 && !searchList ){ - /* The trunk has no leaves and the list is not being searched. - ** So extract the trunk page itself and use it as the newly + /* The trunk has no leaves and the list is not being searched. + ** So extract the trunk page itself and use it as the newly ** allocated page */ assert( pPrevTrunk==0 ); rc = sqlite3PagerWrite(pTrunk->pDbPage); @@ -69368,8 +70504,8 @@ static int allocateBtreePage( rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; #ifndef SQLITE_OMIT_AUTOVACUUM - }else if( searchList - && (nearby==iTrunk || (iTrunk<nearby && eMode==BTALLOC_LE)) + }else if( searchList + && (nearby==iTrunk || (iTrunk<nearby && eMode==BTALLOC_LE)) ){ /* The list is being searched and this trunk page is the page ** to allocate, regardless of whether it has leaves. @@ -69392,13 +70528,13 @@ static int allocateBtreePage( memcpy(&pPrevTrunk->aData[0], &pTrunk->aData[0], 4); } }else{ - /* The trunk page is required by the caller but it contains + /* The trunk page is required by the caller but it contains ** pointers to free-list leaves. The first leaf becomes a trunk ** page in this case. */ MemPage *pNewTrunk; Pgno iNewTrunk = get4byte(&pTrunk->aData[8]); - if( iNewTrunk>mxPage ){ + if( iNewTrunk>mxPage ){ rc = SQLITE_CORRUPT_PGNO(iTrunk); goto end_allocate_page; } @@ -69468,8 +70604,8 @@ static int allocateBtreePage( goto end_allocate_page; } testcase( iPage==mxPage ); - if( !searchList - || (iPage==nearby || (iPage<nearby && eMode==BTALLOC_LE)) + if( !searchList + || (iPage==nearby || (iPage<nearby && eMode==BTALLOC_LE)) ){ int noContent; *pPgno = iPage; @@ -69510,7 +70646,7 @@ static int allocateBtreePage( ** not set the no-content flag. This causes the pager to load and journal ** the current page content before overwriting it. ** - ** Note that the pager will not actually attempt to load or journal + ** Note that the pager will not actually attempt to load or journal ** content for any page that really does lie past the end of the database ** file on disk. So the effects of disabling the no-content optimization ** here are confined to those pages that lie between the end of the @@ -69567,12 +70703,12 @@ end_allocate_page: } /* -** This function is used to add page iPage to the database file free-list. +** This function is used to add page iPage to the database file free-list. ** It is assumed that the page is not already a part of the free-list. ** ** The value passed as the second argument to this function is optional. -** If the caller happens to have a pointer to the MemPage object -** corresponding to page iPage handy, it may pass it as the second value. +** If the caller happens to have a pointer to the MemPage object +** corresponding to page iPage handy, it may pass it as the second value. ** Otherwise, it may pass NULL. ** ** If a pointer to a MemPage object is passed as the second argument, @@ -69580,7 +70716,7 @@ end_allocate_page: */ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ MemPage *pTrunk = 0; /* Free-list trunk page */ - Pgno iTrunk = 0; /* Page number of free-list trunk page */ + Pgno iTrunk = 0; /* Page number of free-list trunk page */ MemPage *pPage1 = pBt->pPage1; /* Local reference to page 1 */ MemPage *pPage; /* Page being freed. May be NULL. */ int rc; /* Return Code */ @@ -69637,6 +70773,10 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ u32 nLeaf; /* Initial number of leaf cells on trunk page */ iTrunk = get4byte(&pPage1->aData[32]); + if( iTrunk>btreePagecount(pBt) ){ + rc = SQLITE_CORRUPT_BKPT; + goto freepage_out; + } rc = btreeGetPage(pBt, iTrunk, &pTrunk, 0); if( rc!=SQLITE_OK ){ goto freepage_out; @@ -69684,7 +70824,7 @@ static int freePage2(BtShared *pBt, MemPage *pMemPage, Pgno iPage){ /* If control flows to this point, then it was not possible to add the ** the page being freed as a leaf page of the first trunk in the free-list. - ** Possibly because the free-list is empty, or possibly because the + ** Possibly because the free-list is empty, or possibly because the ** first trunk in the free-list is full. Either way, the page being freed ** will become the new first trunk page in the free-list. */ @@ -69745,15 +70885,15 @@ static int clearCell( assert( pBt->usableSize > 4 ); ovflPageSize = pBt->usableSize - 4; nOvfl = (pInfo->nPayload - pInfo->nLocal + ovflPageSize - 1)/ovflPageSize; - assert( nOvfl>0 || + assert( nOvfl>0 || (CORRUPT_DB && (pInfo->nPayload + ovflPageSize)<ovflPageSize) ); while( nOvfl-- ){ Pgno iNext = 0; MemPage *pOvfl = 0; if( ovflPgno<2 || ovflPgno>btreePagecount(pBt) ){ - /* 0 is not a legal page number and page 1 cannot be an - ** overflow page. Therefore if ovflPgno<2 or past the end of the + /* 0 is not a legal page number and page 1 cannot be an + ** overflow page. Therefore if ovflPgno<2 or past the end of the ** file the database must be corrupt. */ return SQLITE_CORRUPT_BKPT; } @@ -69765,11 +70905,11 @@ static int clearCell( if( ( pOvfl || ((pOvfl = btreePageLookup(pBt, ovflPgno))!=0) ) && sqlite3PagerPageRefcount(pOvfl->pDbPage)!=1 ){ - /* There is no reason any cursor should have an outstanding reference + /* There is no reason any cursor should have an outstanding reference ** to an overflow page belonging to a cell that is being deleted/updated. - ** So if there exists more than one reference to this page, then it - ** must not really be an overflow page and the database must be corrupt. - ** It is helpful to detect this before calling freePage2(), as + ** So if there exists more than one reference to this page, then it + ** must not really be an overflow page and the database must be corrupt. + ** It is helpful to detect this before calling freePage2(), as ** freePage2() may zero the page contents if secure-delete mode is ** enabled. If this 'overflow' page happens to be a page that the ** caller is iterating through or using in some other way, this @@ -69840,7 +70980,7 @@ static int fillInCell( pSrc = pX->pKey; nHeader += putVarint32(&pCell[nHeader], nPayload); } - + /* Fill in the payload */ pPayload = &pCell[nHeader]; if( nPayload<=pPage->maxLocal ){ @@ -69931,8 +71071,8 @@ static int fillInCell( if( pBt->autoVacuum ){ do{ pgnoOvfl++; - } while( - PTRMAP_ISPAGE(pBt, pgnoOvfl) || pgnoOvfl==PENDING_BYTE_PAGE(pBt) + } while( + PTRMAP_ISPAGE(pBt, pgnoOvfl) || pgnoOvfl==PENDING_BYTE_PAGE(pBt) ); } #endif @@ -69940,9 +71080,9 @@ static int fillInCell( #ifndef SQLITE_OMIT_AUTOVACUUM /* If the database supports auto-vacuum, and the second or subsequent ** overflow page is being allocated, add an entry to the pointer-map - ** for that page now. + ** for that page now. ** - ** If this is the first overflow page, then write a partial entry + ** If this is the first overflow page, then write a partial entry ** to the pointer-map. If we write nothing to this pointer-map slot, ** then the optimistic overflow chain processing in clearCell() ** may misinterpret the uninitialized values and delete the @@ -70041,8 +71181,8 @@ static void dropCell(MemPage *pPage, int idx, int sz, int *pRC){ ** will not fit, then make a copy of the cell content into pTemp if ** pTemp is not null. Regardless of pTemp, allocate a new entry ** in pPage->apOvfl[] and make it point to the cell content (either -** in pTemp or the original pCell) and also record its index. -** Allocating a new entry in pPage->aCell[] implies that +** in pTemp or the original pCell) and also record its index. +** Allocating a new entry in pPage->aCell[] implies that ** pPage->nOverflow is incremented. ** ** *pRC must be SQLITE_OK when this routine is called. @@ -70267,16 +71407,16 @@ static u16 cachedCellSize(CellArray *p, int N){ } /* -** Array apCell[] contains pointers to nCell b-tree page cells. The +** Array apCell[] contains pointers to nCell b-tree page cells. The ** szCell[] array contains the size in bytes of each cell. This function ** replaces the current contents of page pPg with the contents of the cell ** array. ** ** Some of the cells in apCell[] may currently be stored in pPg. This -** function works around problems caused by this by making a copy of any +** function works around problems caused by this by making a copy of any ** such cells before overwriting the page data. ** -** The MemPage.nFree field is invalidated by this function. It is the +** The MemPage.nFree field is invalidated by this function. It is the ** responsibility of the caller to set it correctly. */ static int rebuildPage( @@ -70300,7 +71440,7 @@ static int rebuildPage( assert( i<iEnd ); j = get2byte(&aData[hdr+5]); - if( j>(u32)usableSize ){ j = 0; } + if( NEVER(j>(u32)usableSize) ){ j = 0; } memcpy(&pTmp[j], &aData[j], usableSize - j); for(k=0; pCArray->ixNx[k]<=i && ALWAYS(k<NB*2); k++){} @@ -70326,7 +71466,7 @@ static int rebuildPage( if( pData < pCellptr ) return SQLITE_CORRUPT_BKPT; memcpy(pData, pCell, sz); assert( sz==pPg->xCellSize(pPg, pCell) || CORRUPT_DB ); - testcase( sz!=pPg->xCellSize(pPg,pCell) ); + testcase( sz!=pPg->xCellSize(pPg,pCell) ) i++; if( i>=iEnd ) break; if( pCArray->ixNx[k]<=i ){ @@ -70359,7 +71499,7 @@ static int rebuildPage( ** cell in the array. It is the responsibility of the caller to ensure ** that it is safe to overwrite this part of the cell-pointer array. ** -** When this function is called, *ppData points to the start of the +** When this function is called, *ppData points to the start of the ** content area on page pPg. If the size of the content area is extended, ** *ppData is updated to point to the new start of the content area ** before returning. @@ -70518,7 +71658,7 @@ static int editPage( assert( nCell>=0 ); if( iOld<iNew ){ int nShift = pageFreeArray(pPg, iOld, iNew-iOld, pCArray); - if( nShift>nCell ) return SQLITE_CORRUPT_BKPT; + if( NEVER(nShift>nCell) ) return SQLITE_CORRUPT_BKPT; memmove(pPg->aCellIdx, &pPg->aCellIdx[nShift*2], nCell*2); nCell -= nShift; } @@ -70629,12 +71769,12 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( sqlite3PagerIswriteable(pParent->pDbPage) ); assert( pPage->nOverflow==1 ); - + if( pPage->nCell==0 ) return SQLITE_CORRUPT_BKPT; /* dbfuzz001.test */ assert( pPage->nFree>=0 ); assert( pParent->nFree>=0 ); - /* Allocate a new page. This page will become the right-sibling of + /* Allocate a new page. This page will become the right-sibling of ** pPage. Make the parent page writable, so that the new divider cell ** may be inserted. If both these operations are successful, proceed. */ @@ -70665,7 +71805,7 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ pNew->nFree = pBt->usableSize - pNew->cellOffset - 2 - szCell; /* If this is an auto-vacuum database, update the pointer map - ** with entries for the new page, and any pointer from the + ** with entries for the new page, and any pointer from the ** cell on the page to an overflow page. If either of these ** operations fails, the return code is set, but the contents ** of the parent page are still manipulated by thh code below. @@ -70679,14 +71819,14 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ ptrmapPutOvflPtr(pNew, pNew, pCell, &rc); } } - + /* Create a divider cell to insert into pParent. The divider cell ** consists of a 4-byte page number (the page number of pPage) and ** a variable length key value (which must be the same value as the ** largest key on pPage). ** - ** To find the largest key value on pPage, first find the right-most - ** cell on pPage. The first two fields of this cell are the + ** To find the largest key value on pPage, first find the right-most + ** cell on pPage. The first two fields of this cell are the ** record-length (a variable length integer at most 32-bits in size) ** and the key value (a variable length integer, may have any value). ** The first of the while(...) loops below skips over the record-length @@ -70707,7 +71847,7 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ /* Set the right-child pointer of pParent to point to the new page. */ put4byte(&pParent->aData[pParent->hdrOffset+8], pgnoNew); - + /* Release the reference to the new page. */ releasePage(pNew); } @@ -70719,7 +71859,7 @@ static int balance_quick(MemPage *pParent, MemPage *pPage, u8 *pSpace){ #if 0 /* ** This function does not contribute anything to the operation of SQLite. -** it is sometimes activated temporarily while debugging code responsible +** it is sometimes activated temporarily while debugging code responsible ** for setting pointer-map entries. */ static int ptrmapCheckPages(MemPage **apPage, int nPage){ @@ -70734,7 +71874,7 @@ static int ptrmapCheckPages(MemPage **apPage, int nPage){ for(j=0; j<pPage->nCell; j++){ CellInfo info; u8 *z; - + z = findCell(pPage, j); pPage->xParseCell(pPage, z, &info); if( info.nLocal<info.nPayload ){ @@ -70759,7 +71899,7 @@ static int ptrmapCheckPages(MemPage **apPage, int nPage){ #endif /* -** This function is used to copy the contents of the b-tree node stored +** This function is used to copy the contents of the b-tree node stored ** on page pFrom to page pTo. If page pFrom was not a leaf page, then ** the pointer-map entries for each child page are updated so that the ** parent page stored in the pointer map is page pTo. If pFrom contained @@ -70767,11 +71907,11 @@ static int ptrmapCheckPages(MemPage **apPage, int nPage){ ** map entries are also updated so that the parent page is page pTo. ** ** If pFrom is currently carrying any overflow cells (entries in the -** MemPage.apOvfl[] array), they are not copied to pTo. +** MemPage.apOvfl[] array), they are not copied to pTo. ** ** Before returning, page pTo is reinitialized using btreeInitPage(). ** -** The performance of this function is not critical. It is only used by +** The performance of this function is not critical. It is only used by ** the balance_shallower() and balance_deeper() procedures, neither of ** which are called often under normal circumstances. */ @@ -70784,20 +71924,20 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ int const iToHdr = ((pTo->pgno==1) ? 100 : 0); int rc; int iData; - - + + assert( pFrom->isInit ); assert( pFrom->nFree>=iToHdr ); assert( get2byte(&aFrom[iFromHdr+5]) <= (int)pBt->usableSize ); - + /* Copy the b-tree node content from page pFrom to page pTo. */ iData = get2byte(&aFrom[iFromHdr+5]); memcpy(&aTo[iData], &aFrom[iData], pBt->usableSize-iData); memcpy(&aTo[iToHdr], &aFrom[iFromHdr], pFrom->cellOffset + 2*pFrom->nCell); - + /* Reinitialize page pTo so that the contents of the MemPage structure ** match the new data. The initialization of pTo can actually fail under - ** fairly obscure circumstances, even though it is a copy of initialized + ** fairly obscure circumstances, even though it is a copy of initialized ** page pFrom. */ pTo->isInit = 0; @@ -70807,7 +71947,7 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ *pRC = rc; return; } - + /* If this is an auto-vacuum database, update the pointer-map entries ** for any b-tree or overflow pages that pTo now contains the pointers to. */ @@ -70822,13 +71962,13 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ ** (hereafter "the page") and up to 2 siblings so that all pages have about the ** same amount of free space. Usually a single sibling on either side of the ** page are used in the balancing, though both siblings might come from one -** side if the page is the first or last child of its parent. If the page +** side if the page is the first or last child of its parent. If the page ** has fewer than 2 siblings (something which can only happen if the page ** is a root page or a child of a root page) then all available siblings ** participate in the balancing. ** -** The number of siblings of the page might be increased or decreased by -** one or two in an effort to keep pages nearly full but not over full. +** The number of siblings of the page might be increased or decreased by +** one or two in an effort to keep pages nearly full but not over full. ** ** Note that when this routine is called, some of the cells on the page ** might not actually be stored in MemPage.aData[]. This can happen @@ -70839,7 +71979,7 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ ** inserted into or removed from the parent page (pParent). Doing so ** may cause the parent page to become overfull or underfull. If this ** happens, it is the responsibility of the caller to invoke the correct -** balancing routine to fix this problem (see the balance() routine). +** balancing routine to fix this problem (see the balance() routine). ** ** If this routine fails for any reason, it might leave the database ** in a corrupted state. So if this routine fails, the database should @@ -70854,7 +71994,7 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){ ** of the page-size, the aOvflSpace[] buffer is guaranteed to be large ** enough for all overflow cells. ** -** If aOvflSpace is set to a null pointer, this function returns +** If aOvflSpace is set to a null pointer, this function returns ** SQLITE_NOMEM. */ static int balance_nonroot( @@ -70901,7 +72041,7 @@ static int balance_nonroot( assert( sqlite3PagerIswriteable(pParent->pDbPage) ); /* At this point pParent may have at most one overflow cell. And if - ** this overflow cell is present, it must be the cell with + ** this overflow cell is present, it must be the cell with ** index iParentIdx. This scenario comes about when this function ** is called (indirectly) from sqlite3BtreeDelete(). */ @@ -70913,11 +72053,11 @@ static int balance_nonroot( } assert( pParent->nFree>=0 ); - /* Find the sibling pages to balance. Also locate the cells in pParent - ** that divide the siblings. An attempt is made to find NN siblings on - ** either side of pPage. More siblings are taken from one side, however, + /* Find the sibling pages to balance. Also locate the cells in pParent + ** that divide the siblings. An attempt is made to find NN siblings on + ** either side of pPage. More siblings are taken from one side, however, ** if there are fewer than NN siblings on the other side. If pParent - ** has NB or fewer children then all children of pParent are taken. + ** has NB or fewer children then all children of pParent are taken. ** ** This loop also drops the divider cells from the parent page. This ** way, the remainder of the function does not have to deal with any @@ -70929,7 +72069,7 @@ static int balance_nonroot( nxDiv = 0; }else{ assert( bBulk==0 || bBulk==1 ); - if( iParentIdx==0 ){ + if( iParentIdx==0 ){ nxDiv = 0; }else if( iParentIdx==i ){ nxDiv = i-2+bBulk; @@ -70975,7 +72115,7 @@ static int balance_nonroot( ** This is safe because dropping a cell only overwrites the first ** four bytes of it, and this function does not need the first ** four bytes of the divider cell. So the pointer is safe to use - ** later on. + ** later on. ** ** But not if we are in secure-delete mode. In secure-delete mode, ** the dropCell() routine will overwrite the entire cell with zeroes. @@ -71141,7 +72281,7 @@ static int balance_nonroot( ** Figure out the number of pages needed to hold all b.nCell cells. ** Store this number in "k". Also compute szNew[] which is the total ** size of all cells on the i-th page and cntNew[] which is the index - ** in b.apCell[] of the cell that divides page i from page i+1. + ** in b.apCell[] of the cell that divides page i from page i+1. ** cntNew[k] should equal b.nCell. ** ** Values computed by this block: @@ -71151,7 +72291,7 @@ static int balance_nonroot( ** cntNew[i]: Index in b.apCell[] and b.szCell[] for the first cell to ** the right of the i-th sibling page. ** usableSpace: Number of bytes of space available on each sibling. - ** + ** */ usableSpace = pBt->usableSize - 12 + leafCorrection; for(i=k=0; i<nOld; i++, k++){ @@ -71305,15 +72445,15 @@ static int balance_nonroot( } /* - ** Reassign page numbers so that the new pages are in ascending order. + ** Reassign page numbers so that the new pages are in ascending order. ** This helps to keep entries in the disk file in order so that a scan - ** of the table is closer to a linear scan through the file. That in turn + ** of the table is closer to a linear scan through the file. That in turn ** helps the operating system to deliver pages from the disk more rapidly. ** - ** An O(n^2) insertion sort algorithm is used, but since n is never more + ** An O(n^2) insertion sort algorithm is used, but since n is never more ** than (NB+2) (a small constant), that should not be a problem. ** - ** When NB==3, this one optimization makes the database about 25% faster + ** When NB==3, this one optimization makes the database about 25% faster ** for large insertions and deletions. */ for(i=0; i<nNew; i++){ @@ -71322,7 +72462,7 @@ static int balance_nonroot( for(j=0; j<i; j++){ if( aPgno[j]==aPgno[i] ){ /* This branch is taken if the set of sibling pages somehow contains - ** duplicate entries. This can happen if the database is corrupt. + ** duplicate entries. This can happen if the database is corrupt. ** It would be simpler to detect this as part of the loop below, but ** we do the detection here in order to avoid populating the pager ** cache with two separate objects associated with the same @@ -71368,14 +72508,14 @@ static int balance_nonroot( put4byte(pRight, apNew[nNew-1]->pgno); /* If the sibling pages are not leaves, ensure that the right-child pointer - ** of the right-most new sibling page is set to the value that was + ** of the right-most new sibling page is set to the value that was ** originally in the same field of the right-most old sibling page. */ if( (pageFlags & PTF_LEAF)==0 && nOld!=nNew ){ MemPage *pOld = (nNew>nOld ? apNew : apOld)[nOld-1]; memcpy(&apNew[nNew-1]->aData[8], &pOld->aData[8], 4); } - /* Make any required updates to pointer map entries associated with + /* Make any required updates to pointer map entries associated with ** cells stored on sibling pages following the balance operation. Pointer ** map entries associated with divider cells are set by the insertCell() ** routine. The associated pointer map entries are: @@ -71386,9 +72526,9 @@ static int balance_nonroot( ** b) if the sibling pages are not leaves, the child page associated ** with the cell. ** - ** If the sibling pages are not leaves, then the pointer map entry - ** associated with the right-child of each sibling may also need to be - ** updated. This happens below, after the sibling pages have been + ** If the sibling pages are not leaves, then the pointer map entry + ** associated with the right-child of each sibling may also need to be + ** updated. This happens below, after the sibling pages have been ** populated, not here. */ if( ISAUTOVACUUM ){ @@ -71413,7 +72553,7 @@ static int balance_nonroot( } /* Cell pCell is destined for new sibling page pNew. Originally, it - ** was either part of sibling page iOld (possibly an overflow cell), + ** was either part of sibling page iOld (possibly an overflow cell), ** or else the divider cell to the left of sibling page iOld. So, ** if sibling page iOld had the same page number as pNew, and if ** pCell really was a part of sibling page iOld (not a divider or @@ -71449,9 +72589,9 @@ static int balance_nonroot( if( !pNew->leaf ){ memcpy(&pNew->aData[8], pCell, 4); }else if( leafData ){ - /* If the tree is a leaf-data tree, and the siblings are leaves, - ** then there is no divider cell in b.apCell[]. Instead, the divider - ** cell consists of the integer key for the right-most cell of + /* If the tree is a leaf-data tree, and the siblings are leaves, + ** then there is no divider cell in b.apCell[]. Instead, the divider + ** cell consists of the integer key for the right-most cell of ** the sibling-page assembled above only. */ CellInfo info; @@ -71464,9 +72604,9 @@ static int balance_nonroot( pCell -= 4; /* Obscure case for non-leaf-data trees: If the cell at pCell was ** previously stored on a leaf node, and its reported size was 4 - ** bytes, then it may actually be smaller than this + ** bytes, then it may actually be smaller than this ** (see btreeParseCellPtr(), 4 bytes is the minimum size of - ** any cell). But it is important to pass the correct size to + ** any cell). But it is important to pass the correct size to ** insertCell(), so reparse the cell now. ** ** This can only happen for b-trees used to evaluate "IN (SELECT ...)" @@ -71558,8 +72698,8 @@ static int balance_nonroot( ** b-tree structure by one. This is described as the "balance-shallower" ** sub-algorithm in some documentation. ** - ** If this is an auto-vacuum database, the call to copyNodeContent() - ** sets all pointer-map entries corresponding to database image pages + ** If this is an auto-vacuum database, the call to copyNodeContent() + ** sets all pointer-map entries corresponding to database image pages ** for which the pointer is stored within the content being copied. ** ** It is critical that the child page be defragmented before being @@ -71570,7 +72710,7 @@ static int balance_nonroot( assert( nNew==1 || CORRUPT_DB ); rc = defragmentPage(apNew[0], -1); testcase( rc!=SQLITE_OK ); - assert( apNew[0]->nFree == + assert( apNew[0]->nFree == (get2byteNotZero(&apNew[0]->aData[5]) - apNew[0]->cellOffset - apNew[0]->nCell*2) || rc!=SQLITE_OK @@ -71600,7 +72740,7 @@ static int balance_nonroot( #if 0 if( ISAUTOVACUUM && rc==SQLITE_OK && apNew[0]->isInit ){ /* The ptrmapCheckPages() contains assert() statements that verify that - ** all pointer map pages are set correctly. This is helpful while + ** all pointer map pages are set correctly. This is helpful while ** debugging. This is usually disabled because a corrupt database may ** cause an assert() statement to fail. */ ptrmapCheckPages(apNew, nNew); @@ -71630,15 +72770,15 @@ balance_cleanup: ** ** A new child page is allocated and the contents of the current root ** page, including overflow cells, are copied into the child. The root -** page is then overwritten to make it an empty page with the right-child +** page is then overwritten to make it an empty page with the right-child ** pointer pointing to the new page. ** -** Before returning, all pointer-map entries corresponding to pages +** Before returning, all pointer-map entries corresponding to pages ** that the new child-page now contains pointers to are updated. The ** entry corresponding to the new right-child pointer of the root ** page is also updated. ** -** If successful, *ppChild is set to contain a reference to the child +** If successful, *ppChild is set to contain a reference to the child ** page and SQLITE_OK is returned. In this case the caller is required ** to call releasePage() on *ppChild exactly once. If an error occurs, ** an error code is returned and *ppChild is set to 0. @@ -71652,7 +72792,7 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ assert( pRoot->nOverflow>0 ); assert( sqlite3_mutex_held(pBt->mutex) ); - /* Make pRoot, the root page of the b-tree, writable. Allocate a new + /* Make pRoot, the root page of the b-tree, writable. Allocate a new ** page that will become the new right-child of pPage. Copy the contents ** of the node stored on pRoot into the new child page. */ @@ -71691,9 +72831,33 @@ static int balance_deeper(MemPage *pRoot, MemPage **ppChild){ } /* +** Return SQLITE_CORRUPT if any cursor other than pCur is currently valid +** on the same B-tree as pCur. +** +** This can if a database is corrupt with two or more SQL tables +** pointing to the same b-tree. If an insert occurs on one SQL table +** and causes a BEFORE TRIGGER to do a secondary insert on the other SQL +** table linked to the same b-tree. If the secondary insert causes a +** rebalance, that can change content out from under the cursor on the +** first SQL table, violating invariants on the first insert. +*/ +static int anotherValidCursor(BtCursor *pCur){ + BtCursor *pOther; + for(pOther=pCur->pBt->pCursor; pOther; pOther=pOther->pNext){ + if( pOther!=pCur + && pOther->eState==CURSOR_VALID + && pOther->pPage==pCur->pPage + ){ + return SQLITE_CORRUPT_BKPT; + } + } + return SQLITE_OK; +} + +/* ** The page that pCur currently points to has just been modified in ** some way. This function figures out if this modification means the -** tree needs to be balanced, and if so calls the appropriate balancing +** tree needs to be balanced, and if so calls the appropriate balancing ** routine. Balancing routines are: ** ** balance_quick() @@ -71717,12 +72881,12 @@ static int balance(BtCursor *pCur){ if( pPage->nOverflow==0 && pPage->nFree<=nMin ){ break; }else if( (iPage = pCur->iPage)==0 ){ - if( pPage->nOverflow ){ + if( pPage->nOverflow && (rc = anotherValidCursor(pCur))==SQLITE_OK ){ /* The root page of the b-tree is overfull. In this case call the ** balance_deeper() function to create a new child for the root-page ** and copy the current contents of the root-page to it. The ** next iteration of the do-loop will balance the child page. - */ + */ assert( balance_deeper_called==0 ); VVA_ONLY( balance_deeper_called++ ); rc = balance_deeper(pPage, &pCur->apPage[1]); @@ -71756,17 +72920,17 @@ static int balance(BtCursor *pCur){ /* Call balance_quick() to create a new sibling of pPage on which ** to store the overflow cell. balance_quick() inserts a new cell ** into pParent, which may cause pParent overflow. If this - ** happens, the next iteration of the do-loop will balance pParent + ** happens, the next iteration of the do-loop will balance pParent ** use either balance_nonroot() or balance_deeper(). Until this ** happens, the overflow cell is stored in the aBalanceQuickSpace[] - ** buffer. + ** buffer. ** ** The purpose of the following assert() is to check that only a ** single call to balance_quick() is made for each call to this ** function. If this were not verified, a subtle bug involving reuse ** of the aBalanceQuickSpace[] might sneak in. */ - assert( balance_quick_called==0 ); + assert( balance_quick_called==0 ); VVA_ONLY( balance_quick_called++ ); rc = balance_quick(pParent, pPage, aBalanceQuickSpace); }else @@ -71777,15 +72941,15 @@ static int balance(BtCursor *pCur){ ** modifying the contents of pParent, which may cause pParent to ** become overfull or underfull. The next iteration of the do-loop ** will balance the parent page to correct this. - ** + ** ** If the parent page becomes overfull, the overflow cell or cells - ** are stored in the pSpace buffer allocated immediately below. + ** are stored in the pSpace buffer allocated immediately below. ** A subsequent iteration of the do-loop will deal with this by ** calling balance_nonroot() (balance_deeper() may be called first, ** but it doesn't deal with overflow cells - just moves them to a - ** different page). Once this subsequent call to balance_nonroot() + ** different page). Once this subsequent call to balance_nonroot() ** has completed, it is safe to release the pSpace buffer used by - ** the previous call, as the overflow cell data will have been + ** the previous call, as the overflow cell data will have been ** copied either into the body of a database page or into the new ** pSpace buffer passed to the latter call to balance_nonroot(). */ @@ -71793,9 +72957,9 @@ static int balance(BtCursor *pCur){ rc = balance_nonroot(pParent, iIdx, pSpace, iPage==1, pCur->hints&BTREE_BULKLOAD); if( pFree ){ - /* If pFree is not NULL, it points to the pSpace buffer used + /* If pFree is not NULL, it points to the pSpace buffer used ** by a previous call to balance_nonroot(). Its contents are - ** now stored either on real database pages or within the + ** now stored either on real database pages or within the ** new pSpace buffer, so it may be safely freed here. */ sqlite3PageFree(pFree); } @@ -71914,7 +73078,7 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ if( rc ) return rc; iOffset += ovflPageSize; }while( iOffset<nTotal ); - return SQLITE_OK; + return SQLITE_OK; } @@ -71930,7 +73094,7 @@ static int btreeOverwriteCell(BtCursor *pCur, const BtreePayload *pX){ ** hold the content of the row. ** ** For an index btree (used for indexes and WITHOUT ROWID tables), the -** key is an arbitrary byte sequence stored in pX.pKey,nKey. The +** key is an arbitrary byte sequence stored in pX.pKey,nKey. The ** pX.pData,nData,nZero fields must be zero. ** ** If the seekResult parameter is non-zero, then a successful call to @@ -71988,8 +73152,8 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( ** ** In some cases, the call to btreeMoveto() below is a no-op. For ** example, when inserting data into a table with auto-generated integer - ** keys, the VDBE layer invokes sqlite3BtreeLast() to figure out the - ** integer key to use. It then calls this function to actually insert the + ** keys, the VDBE layer invokes sqlite3BtreeLast() to figure out the + ** integer key to use. It then calls this function to actually insert the ** data into the intkey B-Tree. In this case btreeMoveto() recognizes ** that the cursor is already where it needs to be and returns without ** doing any work. To avoid thwarting these optimizations, it is important @@ -72002,18 +73166,17 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( if( pCur->pKeyInfo==0 ){ assert( pX->pKey==0 ); - /* If this is an insert into a table b-tree, invalidate any incrblob + /* If this is an insert into a table b-tree, invalidate any incrblob ** cursors open on the row being replaced */ invalidateIncrblobCursors(p, pCur->pgnoRoot, pX->nKey, 0); - /* If BTREE_SAVEPOSITION is set, the cursor must already be pointing + /* If BTREE_SAVEPOSITION is set, the cursor must already be pointing ** to a row with the same key as the new entry being inserted. */ #ifdef SQLITE_DEBUG if( flags & BTREE_SAVEPOSITION ){ assert( pCur->curFlags & BTCF_ValidNKey ); assert( pX->nKey==pCur->info.nKey ); - assert( pCur->info.nSize!=0 ); assert( loc==0 ); } #endif @@ -72044,7 +73207,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( }else{ /* This is an index or a WITHOUT ROWID table */ - /* If BTREE_SAVEPOSITION is set, the cursor must already be pointing + /* If BTREE_SAVEPOSITION is set, the cursor must already be pointing ** to a row with the same key as the new entry being inserted. */ assert( (flags & BTREE_SAVEPOSITION)==0 || loc==0 ); @@ -72088,13 +73251,19 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( } } - assert( pCur->eState==CURSOR_VALID || (pCur->eState==CURSOR_INVALID && loc) ); + assert( pCur->eState==CURSOR_VALID + || (pCur->eState==CURSOR_INVALID && loc) + || CORRUPT_DB ); pPage = pCur->pPage; assert( pPage->intKey || pX->nKey>=0 ); assert( pPage->leaf || !pPage->intKey ); if( pPage->nFree<0 ){ - rc = btreeComputeFreeSpace(pPage); + if( pCur->eState>CURSOR_INVALID ){ + rc = SQLITE_CORRUPT_BKPT; + }else{ + rc = btreeComputeFreeSpace(pPage); + } if( rc ) return rc; } @@ -72123,14 +73292,14 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( rc = clearCell(pPage, oldCell, &info); testcase( pCur->curFlags & BTCF_ValidOvfl ); invalidateOverflowCache(pCur); - if( info.nSize==szNew && info.nLocal==info.nPayload + if( info.nSize==szNew && info.nLocal==info.nPayload && (!ISAUTOVACUUM || szNew<pPage->minLocal) ){ /* Overwrite the old cell with the new if they are the same size. ** We could also try to do this if the old cell is smaller, then add ** the leftover space to the free list. But experiments show that ** doing that is no faster then skipping this optimization and just - ** calling dropCell() and insertCell(). + ** calling dropCell() and insertCell(). ** ** This optimization cannot be used on an autovacuum database if the ** new entry uses overflow pages, as the insertCell() call below is @@ -72158,7 +73327,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( assert( pPage->nOverflow==0 || rc==SQLITE_OK ); assert( rc!=SQLITE_OK || pPage->nCell>0 || pPage->nOverflow>0 ); - /* If no error has occurred and pPage has an overflow cell, call balance() + /* If no error has occurred and pPage has an overflow cell, call balance() ** to redistribute the cells within the tree. Since balance() may move ** the cursor, zero the BtCursor.info.nSize and BTCF_ValidNKey ** variables. @@ -72185,7 +73354,7 @@ SQLITE_PRIVATE int sqlite3BtreeInsert( rc = balance(pCur); /* Must make sure nOverflow is reset to zero even if the balance() - ** fails. Internal data structure corruption will result otherwise. + ** fails. Internal data structure corruption will result otherwise. ** Also, set the cursor state to invalid. This stops saveCursorPosition() ** from trying to save the current position of the cursor. */ pCur->pPage->nOverflow = 0; @@ -72212,7 +73381,7 @@ end_insert: } /* -** Delete the entry that the cursor is pointing to. +** Delete the entry that the cursor is pointing to. ** ** If the BTREE_SAVEPOSITION bit of the flags parameter is zero, then ** the cursor is left pointing at an arbitrary location after the delete. @@ -72230,12 +73399,12 @@ end_insert: */ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ Btree *p = pCur->pBtree; - BtShared *pBt = p->pBt; + BtShared *pBt = p->pBt; int rc; /* Return code */ MemPage *pPage; /* Page to delete cell from */ unsigned char *pCell; /* Pointer to cell to delete */ int iCellIdx; /* Index of cell to delete */ - int iCellDepth; /* Depth of node containing pCell */ + int iCellDepth; /* Depth of node containing pCell */ CellInfo info; /* Size of the cell being deleted */ int bSkipnext = 0; /* Leaf cursor in SKIPNEXT state */ u8 bPreserve = flags & BTREE_SAVEPOSITION; /* Keep cursor valid */ @@ -72262,14 +73431,14 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ /* If the bPreserve flag is set to true, then the cursor position must ** be preserved following this delete operation. If the current delete ** will cause a b-tree rebalance, then this is done by saving the cursor - ** key and leaving the cursor in CURSOR_REQUIRESEEK state before - ** returning. + ** key and leaving the cursor in CURSOR_REQUIRESEEK state before + ** returning. ** ** Or, if the current delete will not cause a rebalance, then the cursor ** will be left in CURSOR_SKIPNEXT state pointing to the entry immediately ** before or after the deleted entry. In this case set bSkipnext to true. */ if( bPreserve ){ - if( !pPage->leaf + if( !pPage->leaf || (pPage->nFree+cellSizePtr(pPage,pCell)+2)>(int)(pBt->usableSize*2/3) || pPage->nCell==1 /* See dbfuzz001.test for a test case */ ){ @@ -72364,7 +73533,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ ** on the leaf node first. If the balance proceeds far enough up the ** tree that we can be sure that any problem in the internal node has ** been corrected, so be it. Otherwise, after balancing the leaf node, - ** walk the cursor up the tree to the internal node and balance it as + ** walk the cursor up the tree to the internal node and balance it as ** well. */ rc = balance(pCur); if( rc==SQLITE_OK && pCur->iPage>iCellDepth ){ @@ -72412,7 +73581,7 @@ SQLITE_PRIVATE int sqlite3BtreeDelete(BtCursor *pCur, u8 flags){ ** BTREE_INTKEY|BTREE_LEAFDATA Used for SQL tables with rowid keys ** BTREE_ZERODATA Used for SQL indices */ -static int btreeCreateTable(Btree *p, int *piTable, int createTabFlags){ +static int btreeCreateTable(Btree *p, Pgno *piTable, int createTabFlags){ BtShared *pBt = p->pBt; MemPage *pRoot; Pgno pgnoRoot; @@ -72445,6 +73614,9 @@ static int btreeCreateTable(Btree *p, int *piTable, int createTabFlags){ ** created so far, so the new root-page is (meta[3]+1). */ sqlite3BtreeGetMeta(p, BTREE_LARGEST_ROOT_PAGE, &pgnoRoot); + if( pgnoRoot>btreePagecount(pBt) ){ + return SQLITE_CORRUPT_BKPT; + } pgnoRoot++; /* The new root-page may not be allocated on a pointer-map page, or the @@ -72454,8 +73626,7 @@ static int btreeCreateTable(Btree *p, int *piTable, int createTabFlags){ pgnoRoot==PENDING_BYTE_PAGE(pBt) ){ pgnoRoot++; } - assert( pgnoRoot>=3 || CORRUPT_DB ); - testcase( pgnoRoot<3 ); + assert( pgnoRoot>=3 ); /* Allocate a page. The page that currently resides at pgnoRoot will ** be moved to the allocated page (unless the allocated page happens @@ -72518,7 +73689,7 @@ static int btreeCreateTable(Btree *p, int *piTable, int createTabFlags){ } }else{ pRoot = pPageMove; - } + } /* Update the pointer-map and meta-data with the new root-page number. */ ptrmapPut(pBt, pgnoRoot, PTRMAP_ROOTPAGE, 0, &rc); @@ -72552,10 +73723,10 @@ static int btreeCreateTable(Btree *p, int *piTable, int createTabFlags){ zeroPage(pRoot, ptfFlags); sqlite3PagerUnref(pRoot->pDbPage); assert( (pBt->openFlags & BTREE_SINGLE)==0 || pgnoRoot==2 ); - *piTable = (int)pgnoRoot; + *piTable = pgnoRoot; return SQLITE_OK; } -SQLITE_PRIVATE int sqlite3BtreeCreateTable(Btree *p, int *piTable, int flags){ +SQLITE_PRIVATE int sqlite3BtreeCreateTable(Btree *p, Pgno *piTable, int flags){ int rc; sqlite3BtreeEnter(p); rc = btreeCreateTable(p, piTable, flags); @@ -72671,12 +73842,12 @@ SQLITE_PRIVATE int sqlite3BtreeClearTableOfCursor(BtCursor *pCur){ ** cursors on the table. ** ** If AUTOVACUUM is enabled and the page at iTable is not the last -** root page in the database file, then the last root page +** root page in the database file, then the last root page ** in the database file is moved into the slot formerly occupied by ** iTable and that last slot formerly occupied by the last root page ** is added to the freelist instead of iTable. In this say, all ** root pages are kept at the beginning of the database file, which -** is necessary for AUTOVACUUM to work right. *piMoved is set to the +** is necessary for AUTOVACUUM to work right. *piMoved is set to the ** page number that used to be the last root page in the file before ** the move. If no page gets moved, *piMoved is set to 0. ** The last root page is recorded in meta[3] and the value of @@ -72714,7 +73885,7 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ if( iTable==maxRootPgno ){ /* If the table being dropped is the table with the largest root-page - ** number in the database, put the root page on the free list. + ** number in the database, put the root page on the free list. */ freePage(pPage, &rc); releasePage(pPage); @@ -72723,7 +73894,7 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ } }else{ /* The table being dropped does not have the largest root-page - ** number in the database. So move the page that does into the + ** number in the database. So move the page that does into the ** gap left by the deleted root-page. */ MemPage *pMove; @@ -72765,7 +73936,7 @@ static int btreeDropTable(Btree *p, Pgno iTable, int *piMoved){ releasePage(pPage); } #endif - return rc; + return rc; } SQLITE_PRIVATE int sqlite3BtreeDropTable(Btree *p, int iTable, int *piMoved){ int rc; @@ -72784,7 +73955,7 @@ SQLITE_PRIVATE int sqlite3BtreeDropTable(Btree *p, int iTable, int *piMoved){ ** is the number of free pages currently in the database. Meta[1] ** through meta[15] are available for use by higher layers. Meta[0] ** is read-only, the others are read/write. -** +** ** The schema layer numbers meta values differently. At the schema ** layer (and the SetCookie and ReadCookie opcodes) the number of ** free pages is not visible. So Cookie[0] is the same as Meta[1]. @@ -72801,7 +73972,7 @@ SQLITE_PRIVATE void sqlite3BtreeGetMeta(Btree *p, int idx, u32 *pMeta){ sqlite3BtreeEnter(p); assert( p->inTrans>TRANS_NONE ); - assert( SQLITE_OK==querySharedCacheTableLock(p, MASTER_ROOT, READ_LOCK) ); + assert( SQLITE_OK==querySharedCacheTableLock(p, SCHEMA_ROOT, READ_LOCK) ); assert( pBt->pPage1 ); assert( idx>=0 && idx<=15 ); @@ -72850,16 +74021,15 @@ SQLITE_PRIVATE int sqlite3BtreeUpdateMeta(Btree *p, int idx, u32 iMeta){ return rc; } -#ifndef SQLITE_OMIT_BTREECOUNT /* ** The first argument, pCur, is a cursor opened on some b-tree. Count the ** number of entries in the b-tree and write the result to *pnEntry. ** -** SQLITE_OK is returned if the operation is successfully executed. +** SQLITE_OK is returned if the operation is successfully executed. ** Otherwise, if an error is encountered (i.e. an IO error or database ** corruption) an SQLite error code is returned. */ -SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *pCur, i64 *pnEntry){ +SQLITE_PRIVATE int sqlite3BtreeCount(sqlite3 *db, BtCursor *pCur, i64 *pnEntry){ i64 nEntry = 0; /* Value to return in *pnEntry */ int rc; /* Return code */ @@ -72870,13 +74040,13 @@ SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *pCur, i64 *pnEntry){ } /* Unless an error occurs, the following loop runs one iteration for each - ** page in the B-Tree structure (not including overflow pages). + ** page in the B-Tree structure (not including overflow pages). */ - while( rc==SQLITE_OK ){ + while( rc==SQLITE_OK && !AtomicLoad(&db->u1.isInterrupted) ){ int iIdx; /* Index of child node in parent */ MemPage *pPage; /* Current page of the b-tree */ - /* If this is a leaf page or the tree is not an int-key tree, then + /* If this is a leaf page or the tree is not an int-key tree, then ** this page contains countable entries. Increment the entry counter ** accordingly. */ @@ -72885,7 +74055,7 @@ SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *pCur, i64 *pnEntry){ nEntry += pPage->nCell; } - /* pPage is a leaf node. This loop navigates the cursor so that it + /* pPage is a leaf node. This loop navigates the cursor so that it ** points to the first interior cell that it points to the parent of ** the next page in the tree that has not yet been visited. The ** pCur->aiIdx[pCur->iPage] value is set to the index of the parent cell @@ -72909,7 +74079,7 @@ SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *pCur, i64 *pnEntry){ pPage = pCur->pPage; } - /* Descend to the child node of the cell that the cursor currently + /* Descend to the child node of the cell that the cursor currently ** points at. This is the right-child if (iIdx==pPage->nCell). */ iIdx = pCur->ix; @@ -72923,7 +74093,6 @@ SQLITE_PRIVATE int sqlite3BtreeCount(BtCursor *pCur, i64 *pnEntry){ /* An error has occurred. Return an error code. */ return rc; } -#endif /* ** Return the pager associated with a BTree. This routine is used for @@ -72956,7 +74125,7 @@ static void checkAppendMsg( sqlite3_str_vappendf(&pCheck->errMsg, zFormat, ap); va_end(ap); if( pCheck->errMsg.accError==SQLITE_NOMEM ){ - pCheck->mallocFailed = 1; + pCheck->bOomFault = 1; } } #endif /* SQLITE_OMIT_INTEGRITY_CHECK */ @@ -72998,13 +74167,14 @@ static int checkRef(IntegrityCk *pCheck, Pgno iPage){ checkAppendMsg(pCheck, "2nd reference to page %d", iPage); return 1; } + if( AtomicLoad(&pCheck->db->u1.isInterrupted) ) return 1; setPageReferenced(pCheck, iPage); return 0; } #ifndef SQLITE_OMIT_AUTOVACUUM /* -** Check that the entry in the pointer-map for page iChild maps to +** Check that the entry in the pointer-map for page iChild maps to ** page iParent, pointer type ptrType. If not, append an error message ** to pCheck. */ @@ -73020,14 +74190,14 @@ static void checkPtrmap( rc = ptrmapGet(pCheck->pBt, iChild, &ePtrmapType, &iPtrmapParent); if( rc!=SQLITE_OK ){ - if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) pCheck->mallocFailed = 1; + if( rc==SQLITE_NOMEM || rc==SQLITE_IOERR_NOMEM ) pCheck->bOomFault = 1; checkAppendMsg(pCheck, "Failed to read ptrmap key=%d", iChild); return; } if( ePtrmapType!=eType || iPtrmapParent!=iParent ){ checkAppendMsg(pCheck, - "Bad ptr map entry key=%d expected=(%d,%d) got=(%d,%d)", + "Bad ptr map entry key=%d expected=(%d,%d) got=(%d,%d)", iChild, eType, iParent, ePtrmapType, iPtrmapParent); } } @@ -73040,7 +74210,7 @@ static void checkPtrmap( static void checkList( IntegrityCk *pCheck, /* Integrity checking context */ int isFreeList, /* True for a freelist. False for overflow page list */ - int iPage, /* Page number for first page in the list */ + Pgno iPage, /* Page number for first page in the list */ u32 N /* Expected number of pages in the list */ ){ int i; @@ -73122,7 +74292,7 @@ static void checkList( ** property. ** ** This heap is used for cell overlap and coverage testing. Each u32 -** entry represents the span of a cell or freeblock on a btree page. +** entry represents the span of a cell or freeblock on a btree page. ** The upper 16 bits are the index of the first byte of a range and the ** lower 16 bits are the index of the last byte of that range. */ @@ -73152,7 +74322,7 @@ static int btreeHeapPull(u32 *aHeap, u32 *pOut){ aHeap[j] = x; i = j; } - return 1; + return 1; } #ifndef SQLITE_OMIT_INTEGRITY_CHECK @@ -73160,7 +74330,7 @@ static int btreeHeapPull(u32 *aHeap, u32 *pOut){ ** Do various sanity checks on a single page of a tree. Return ** the tree depth. Root pages return 0. Parents of root pages ** return 1, and so forth. -** +** ** These checks are done: ** ** 1. Make sure that cells and freeblocks do not overlap @@ -73172,7 +74342,7 @@ static int btreeHeapPull(u32 *aHeap, u32 *pOut){ */ static int checkTreePage( IntegrityCk *pCheck, /* Context for the sanity check */ - int iPage, /* Page number of the page to check */ + Pgno iPage, /* Page number of the page to check */ i64 *piMinKey, /* Write minimum integer primary key here */ i64 maxKey /* Error if integer primary key greater than this */ ){ @@ -73208,9 +74378,9 @@ static int checkTreePage( usableSize = pBt->usableSize; if( iPage==0 ) return 0; if( checkRef(pCheck, iPage) ) return 0; - pCheck->zPfx = "Page %d: "; + pCheck->zPfx = "Page %u: "; pCheck->v1 = iPage; - if( (rc = btreeGetPage(pBt, (Pgno)iPage, &pPage, 0))!=0 ){ + if( (rc = btreeGetPage(pBt, iPage, &pPage, 0))!=0 ){ checkAppendMsg(pCheck, "unable to get the page. error code=%d", rc); goto end_of_check; @@ -73235,7 +74405,7 @@ static int checkTreePage( hdr = pPage->hdrOffset; /* Set up for cell analysis */ - pCheck->zPfx = "On tree page %d cell %d: "; + pCheck->zPfx = "On tree page %u cell %d: "; contentOffset = get2byteNotZero(&data[hdr+5]); assert( contentOffset<=usableSize ); /* Enforced by btreeInitPage() */ @@ -73255,7 +74425,7 @@ static int checkTreePage( pgno = get4byte(&data[hdr+8]); #ifndef SQLITE_OMIT_AUTOVACUUM if( pBt->autoVacuum ){ - pCheck->zPfx = "On page %d at right child: "; + pCheck->zPfx = "On page %u at right child: "; checkPtrmap(pCheck, pgno, PTRMAP_BTREE, iPage); } #endif @@ -73358,7 +74528,7 @@ static int checkTreePage( ** ** EVIDENCE-OF: R-20690-50594 The second field of the b-tree page header ** is the offset of the first freeblock, or zero if there are no - ** freeblocks on the page. + ** freeblocks on the page. */ i = get2byte(&data[hdr+1]); while( i>0 ){ @@ -73378,13 +74548,13 @@ static int checkTreePage( assert( (u32)j<=usableSize-4 ); /* Enforced by btreeComputeFreeSpace() */ i = j; } - /* Analyze the min-heap looking for overlap between cells and/or + /* Analyze the min-heap looking for overlap between cells and/or ** freeblocks, and counting the number of untracked bytes in nFrag. - ** + ** ** Each min-heap entry is of the form: (start_address<<16)|end_address. ** There is an implied first entry the covers the page header, the cell ** pointer index, and the gap between the cell pointer index and the start - ** of cell content. + ** of cell content. ** ** The loop below pulls entries from the min-heap in order and compares ** the start_address against the previous end_address. If there is an @@ -73396,7 +74566,7 @@ static int checkTreePage( while( btreeHeapPull(heap,&x) ){ if( (prev&0xffff)>=(x>>16) ){ checkAppendMsg(pCheck, - "Multiple uses for byte %u of page %d", x>>16, iPage); + "Multiple uses for byte %u of page %u", x>>16, iPage); break; }else{ nFrag += (x>>16) - (prev&0xffff) - 1; @@ -73411,7 +74581,7 @@ static int checkTreePage( */ if( heap[0]==0 && nFrag!=data[hdr+7] ){ checkAppendMsg(pCheck, - "Fragmentation of %d bytes reported as %d on page %d", + "Fragmentation of %d bytes reported as %d on page %u", nFrag, data[hdr+7], iPage); } } @@ -73439,10 +74609,20 @@ end_of_check: ** allocation errors, an error message held in memory obtained from ** malloc is returned if *pnErr is non-zero. If *pnErr==0 then NULL is ** returned. If a memory allocation error occurs, NULL is returned. +** +** If the first entry in aRoot[] is 0, that indicates that the list of +** root pages is incomplete. This is a "partial integrity-check". This +** happens when performing an integrity check on a single table. The +** zero is skipped, of course. But in addition, the freelist checks +** and the checks to make sure every page is referenced are also skipped, +** since obviously it is not possible to know which pages are covered by +** the unverified btrees. Except, if aRoot[1] is 1, then the freelist +** checks are still performed. */ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( + sqlite3 *db, /* Database connection that is running the check */ Btree *p, /* The btree to be checked */ - int *aRoot, /* An array of root pages numbers for individual trees */ + Pgno *aRoot, /* An array of root pages numbers for individual trees */ int nRoot, /* Number of entries in aRoot[] */ int mxErr, /* Stop reporting errors after this many */ int *pnErr /* Write number of errors seen to this variable */ @@ -73452,18 +74632,29 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( BtShared *pBt = p->pBt; u64 savedDbFlags = pBt->db->flags; char zErr[100]; + int bPartial = 0; /* True if not checking all btrees */ + int bCkFreelist = 1; /* True to scan the freelist */ VVA_ONLY( int nRef ); + assert( nRoot>0 ); + + /* aRoot[0]==0 means this is a partial check */ + if( aRoot[0]==0 ){ + assert( nRoot>1 ); + bPartial = 1; + if( aRoot[1]!=1 ) bCkFreelist = 0; + } sqlite3BtreeEnter(p); assert( p->inTrans>TRANS_NONE && pBt->inTransaction>TRANS_NONE ); VVA_ONLY( nRef = sqlite3PagerRefcount(pBt->pPager) ); assert( nRef>=0 ); + sCheck.db = db; sCheck.pBt = pBt; sCheck.pPager = pBt->pPager; sCheck.nPage = btreePagecount(sCheck.pBt); sCheck.mxErr = mxErr; sCheck.nErr = 0; - sCheck.mallocFailed = 0; + sCheck.bOomFault = 0; sCheck.zPfx = 0; sCheck.v1 = 0; sCheck.v2 = 0; @@ -73477,12 +74668,12 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( sCheck.aPgRef = sqlite3MallocZero((sCheck.nPage / 8)+ 1); if( !sCheck.aPgRef ){ - sCheck.mallocFailed = 1; + sCheck.bOomFault = 1; goto integrity_ck_cleanup; } sCheck.heap = (u32*)sqlite3PageMalloc( pBt->pageSize ); if( sCheck.heap==0 ){ - sCheck.mallocFailed = 1; + sCheck.bOomFault = 1; goto integrity_ck_cleanup; } @@ -73491,29 +74682,33 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( /* Check the integrity of the freelist */ - sCheck.zPfx = "Main freelist: "; - checkList(&sCheck, 1, get4byte(&pBt->pPage1->aData[32]), - get4byte(&pBt->pPage1->aData[36])); - sCheck.zPfx = 0; + if( bCkFreelist ){ + sCheck.zPfx = "Main freelist: "; + checkList(&sCheck, 1, get4byte(&pBt->pPage1->aData[32]), + get4byte(&pBt->pPage1->aData[36])); + sCheck.zPfx = 0; + } /* Check all the tables. */ #ifndef SQLITE_OMIT_AUTOVACUUM - if( pBt->autoVacuum ){ - int mx = 0; - int mxInHdr; - for(i=0; (int)i<nRoot; i++) if( mx<aRoot[i] ) mx = aRoot[i]; - mxInHdr = get4byte(&pBt->pPage1->aData[52]); - if( mx!=mxInHdr ){ + if( !bPartial ){ + if( pBt->autoVacuum ){ + Pgno mx = 0; + Pgno mxInHdr; + for(i=0; (int)i<nRoot; i++) if( mx<aRoot[i] ) mx = aRoot[i]; + mxInHdr = get4byte(&pBt->pPage1->aData[52]); + if( mx!=mxInHdr ){ + checkAppendMsg(&sCheck, + "max rootpage (%d) disagrees with header (%d)", + mx, mxInHdr + ); + } + }else if( get4byte(&pBt->pPage1->aData[64])!=0 ){ checkAppendMsg(&sCheck, - "max rootpage (%d) disagrees with header (%d)", - mx, mxInHdr + "incremental_vacuum enabled with a max rootpage of zero" ); } - }else if( get4byte(&pBt->pPage1->aData[64])!=0 ){ - checkAppendMsg(&sCheck, - "incremental_vacuum enabled with a max rootpage of zero" - ); } #endif testcase( pBt->db->flags & SQLITE_CellSizeCk ); @@ -73522,7 +74717,7 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( i64 notUsed; if( aRoot[i]==0 ) continue; #ifndef SQLITE_OMIT_AUTOVACUUM - if( pBt->autoVacuum && aRoot[i]>1 ){ + if( pBt->autoVacuum && aRoot[i]>1 && !bPartial ){ checkPtrmap(&sCheck, aRoot[i], PTRMAP_ROOTPAGE, 0); } #endif @@ -73532,24 +74727,26 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( /* Make sure every page in the file is referenced */ - for(i=1; i<=sCheck.nPage && sCheck.mxErr; i++){ + if( !bPartial ){ + for(i=1; i<=sCheck.nPage && sCheck.mxErr; i++){ #ifdef SQLITE_OMIT_AUTOVACUUM - if( getPageReferenced(&sCheck, i)==0 ){ - checkAppendMsg(&sCheck, "Page %d is never used", i); - } + if( getPageReferenced(&sCheck, i)==0 ){ + checkAppendMsg(&sCheck, "Page %d is never used", i); + } #else - /* If the database supports auto-vacuum, make sure no tables contain - ** references to pointer-map pages. - */ - if( getPageReferenced(&sCheck, i)==0 && - (PTRMAP_PAGENO(pBt, i)!=i || !pBt->autoVacuum) ){ - checkAppendMsg(&sCheck, "Page %d is never used", i); - } - if( getPageReferenced(&sCheck, i)!=0 && - (PTRMAP_PAGENO(pBt, i)==i && pBt->autoVacuum) ){ - checkAppendMsg(&sCheck, "Pointer map page %d is referenced", i); - } + /* If the database supports auto-vacuum, make sure no tables contain + ** references to pointer-map pages. + */ + if( getPageReferenced(&sCheck, i)==0 && + (PTRMAP_PAGENO(pBt, i)!=i || !pBt->autoVacuum) ){ + checkAppendMsg(&sCheck, "Page %d is never used", i); + } + if( getPageReferenced(&sCheck, i)!=0 && + (PTRMAP_PAGENO(pBt, i)==i && pBt->autoVacuum) ){ + checkAppendMsg(&sCheck, "Pointer map page %d is referenced", i); + } #endif + } } /* Clean up and report errors. @@ -73557,7 +74754,7 @@ SQLITE_PRIVATE char *sqlite3BtreeIntegrityCheck( integrity_ck_cleanup: sqlite3PageFree(sCheck.heap); sqlite3_free(sCheck.aPgRef); - if( sCheck.mallocFailed ){ + if( sCheck.bOomFault ){ sqlite3_str_reset(&sCheck.errMsg); sCheck.nErr++; } @@ -73607,7 +74804,7 @@ SQLITE_PRIVATE int sqlite3BtreeIsInTrans(Btree *p){ /* ** Run a checkpoint on the Btree passed as the first argument. ** -** Return SQLITE_LOCKED if this or any other connection has an open +** Return SQLITE_LOCKED if this or any other connection has an open ** transaction on the shared-cache the argument Btree is connected to. ** ** Parameter eMode is one of SQLITE_CHECKPOINT_PASSIVE, FULL or RESTART. @@ -73646,20 +74843,20 @@ SQLITE_PRIVATE int sqlite3BtreeIsInBackup(Btree *p){ /* ** This function returns a pointer to a blob of memory associated with ** a single shared-btree. The memory is used by client code for its own -** purposes (for example, to store a high-level schema associated with +** purposes (for example, to store a high-level schema associated with ** the shared-btree). The btree layer manages reference counting issues. ** ** The first time this is called on a shared-btree, nBytes bytes of memory -** are allocated, zeroed, and returned to the caller. For each subsequent +** are allocated, zeroed, and returned to the caller. For each subsequent ** call the nBytes parameter is ignored and a pointer to the same blob -** of memory returned. +** of memory returned. ** ** If the nBytes parameter is 0 and the blob of memory has not yet been ** allocated, a null pointer is returned. If the blob has already been ** allocated, it is returned as normal. ** -** Just before the shared-btree is closed, the function passed as the -** xFree argument when the memory allocation was made is invoked on the +** Just before the shared-btree is closed, the function passed as the +** xFree argument when the memory allocation was made is invoked on the ** blob of allocated memory. The xFree function should not call sqlite3_free() ** on the memory, the btree layer does that. */ @@ -73675,15 +74872,15 @@ SQLITE_PRIVATE void *sqlite3BtreeSchema(Btree *p, int nBytes, void(*xFree)(void } /* -** Return SQLITE_LOCKED_SHAREDCACHE if another user of the same shared -** btree as the argument handle holds an exclusive lock on the -** sqlite_master table. Otherwise SQLITE_OK. +** Return SQLITE_LOCKED_SHAREDCACHE if another user of the same shared +** btree as the argument handle holds an exclusive lock on the +** sqlite_schema table. Otherwise SQLITE_OK. */ SQLITE_PRIVATE int sqlite3BtreeSchemaLocked(Btree *p){ int rc; assert( sqlite3_mutex_held(p->db->mutex) ); sqlite3BtreeEnter(p); - rc = querySharedCacheTableLock(p, MASTER_ROOT, READ_LOCK); + rc = querySharedCacheTableLock(p, SCHEMA_ROOT, READ_LOCK); assert( rc==SQLITE_OK || rc==SQLITE_LOCKED_SHAREDCACHE ); sqlite3BtreeLeave(p); return rc; @@ -73717,11 +74914,11 @@ SQLITE_PRIVATE int sqlite3BtreeLockTable(Btree *p, int iTab, u8 isWriteLock){ #ifndef SQLITE_OMIT_INCRBLOB /* -** Argument pCsr must be a cursor opened for writing on an -** INTKEY table currently pointing at a valid table entry. +** Argument pCsr must be a cursor opened for writing on an +** INTKEY table currently pointing at a valid table entry. ** This function modifies the data stored as part of that entry. ** -** Only the data content may only be modified, it is not possible to +** Only the data content may only be modified, it is not possible to ** change the length of the data stored. If this function is called with ** parameters that attempt to write past the end of the existing data, ** no modifications are made and SQLITE_CORRUPT is returned. @@ -73752,7 +74949,7 @@ SQLITE_PRIVATE int sqlite3BtreePutData(BtCursor *pCsr, u32 offset, u32 amt, void VVA_ONLY(rc =) saveAllCursors(pCsr->pBt, pCsr->pgnoRoot, pCsr); assert( rc==SQLITE_OK ); - /* Check some assumptions: + /* Check some assumptions: ** (a) the cursor is open for writing, ** (b) there is a read/write transaction open, ** (c) the connection holds a write-lock on the table (if required), @@ -73771,7 +74968,7 @@ SQLITE_PRIVATE int sqlite3BtreePutData(BtCursor *pCsr, u32 offset, u32 amt, void return accessPayload(pCsr, offset, amt, (unsigned char *)z, 1); } -/* +/* ** Mark this cursor as an incremental blob cursor. */ SQLITE_PRIVATE void sqlite3BtreeIncrblobCursor(BtCursor *pCur){ @@ -73781,14 +74978,14 @@ SQLITE_PRIVATE void sqlite3BtreeIncrblobCursor(BtCursor *pCur){ #endif /* -** Set both the "read version" (single byte at byte offset 18) and +** Set both the "read version" (single byte at byte offset 18) and ** "write version" (single byte at byte offset 19) fields in the database ** header to iVersion. */ SQLITE_PRIVATE int sqlite3BtreeSetVersion(Btree *pBtree, int iVersion){ BtShared *pBt = pBtree->pBt; int rc; /* Return code */ - + assert( iVersion==1 || iVersion==2 ); /* If setting the version fields to 1, do not automatically open the @@ -73846,7 +75043,7 @@ SQLITE_PRIVATE int sqlite3BtreeSharable(Btree *p){ /* ** Return the number of connections to the BtShared object accessed by -** the Btree handle passed as the only argument. For private caches +** the Btree handle passed as the only argument. For private caches ** this is always 1. For shared caches it may be 1 or greater. */ SQLITE_PRIVATE int sqlite3BtreeConnectionCount(Btree *p){ @@ -73868,7 +75065,7 @@ SQLITE_PRIVATE int sqlite3BtreeConnectionCount(Btree *p){ ** May you share freely, never taking more than you give. ** ************************************************************************* -** This file contains the implementation of the sqlite3_backup_XXX() +** This file contains the implementation of the sqlite3_backup_XXX() ** API functions and the related features. */ /* #include "sqliteInt.h" */ @@ -73905,15 +75102,15 @@ struct sqlite3_backup { ** Once it has been created using backup_init(), a single sqlite3_backup ** structure may be accessed via two groups of thread-safe entry points: ** -** * Via the sqlite3_backup_XXX() API function backup_step() and +** * Via the sqlite3_backup_XXX() API function backup_step() and ** backup_finish(). Both these functions obtain the source database -** handle mutex and the mutex associated with the source BtShared +** handle mutex and the mutex associated with the source BtShared ** structure, in that order. ** ** * Via the BackupUpdate() and BackupRestart() functions, which are ** invoked by the pager layer to report various state changes in ** the page cache associated with the source database. The mutex -** associated with the source database BtShared structure will always +** associated with the source database BtShared structure will always ** be held when either of these functions are invoked. ** ** The other sqlite3_backup_XXX() API functions, backup_remaining() and @@ -73934,8 +75131,8 @@ struct sqlite3_backup { ** in connection handle pDb. If such a database cannot be found, return ** a NULL pointer and write an error message to pErrorDb. ** -** If the "temp" database is requested, it may need to be opened by this -** function. If an error occurs while doing so, return 0 and write an +** If the "temp" database is requested, it may need to be opened by this +** function. If an error occurs while doing so, return 0 and write an ** error message to pErrorDb. */ static Btree *findBtree(sqlite3 *pErrorDb, sqlite3 *pDb, const char *zDb){ @@ -73971,14 +75168,14 @@ static Btree *findBtree(sqlite3 *pErrorDb, sqlite3 *pDb, const char *zDb){ */ static int setDestPgsz(sqlite3_backup *p){ int rc; - rc = sqlite3BtreeSetPageSize(p->pDest,sqlite3BtreeGetPageSize(p->pSrc),-1,0); + rc = sqlite3BtreeSetPageSize(p->pDest,sqlite3BtreeGetPageSize(p->pSrc),0,0); return rc; } /* ** Check that there is no open read-transaction on the b-tree passed as the ** second argument. If there is not, return SQLITE_OK. Otherwise, if there -** is an open read-transaction, return SQLITE_ERROR and leave an error +** is an open read-transaction, return SQLITE_ERROR and leave an error ** message in database handle db. */ static int checkReadTransaction(sqlite3 *db, Btree *p){ @@ -74048,13 +75245,13 @@ SQLITE_API sqlite3_backup *sqlite3_backup_init( p->iNext = 1; p->isAttached = 0; - if( 0==p->pSrc || 0==p->pDest - || checkReadTransaction(pDestDb, p->pDest)!=SQLITE_OK + if( 0==p->pSrc || 0==p->pDest + || checkReadTransaction(pDestDb, p->pDest)!=SQLITE_OK ){ /* One (or both) of the named databases did not exist or an OOM ** error was hit. Or there is a transaction open on the destination - ** database. The error has already been written into the pDestDb - ** handle. All that is left to do here is free the sqlite3_backup + ** database. The error has already been written into the pDestDb + ** handle. All that is left to do here is free the sqlite3_backup ** structure. */ sqlite3_free(p); p = 0; @@ -74070,7 +75267,7 @@ SQLITE_API sqlite3_backup *sqlite3_backup_init( } /* -** Argument rc is an SQLite error code. Return true if this error is +** Argument rc is an SQLite error code. Return true if this error is ** considered fatal if encountered during a backup operation. All errors ** are considered fatal except for SQLITE_BUSY and SQLITE_LOCKED. */ @@ -74079,8 +75276,8 @@ static int isFatalError(int rc){ } /* -** Parameter zSrcData points to a buffer containing the data for -** page iSrcPg from the source database. Copy this data into the +** Parameter zSrcData points to a buffer containing the data for +** page iSrcPg from the source database. Copy this data into the ** destination database. */ static int backupOnePage( @@ -74094,13 +75291,6 @@ static int backupOnePage( int nDestPgsz = sqlite3BtreeGetPageSize(p->pDest); const int nCopy = MIN(nSrcPgsz, nDestPgsz); const i64 iEnd = (i64)iSrcPg*(i64)nSrcPgsz; -#ifdef SQLITE_HAS_CODEC - /* Use BtreeGetReserveNoMutex() for the source b-tree, as although it is - ** guaranteed that the shared-mutex is held by this thread, handle - ** p->pSrc may not actually be the owner. */ - int nSrcReserve = sqlite3BtreeGetReserveNoMutex(p->pSrc); - int nDestReserve = sqlite3BtreeGetOptimalReserve(p->pDest); -#endif int rc = SQLITE_OK; i64 iOff; @@ -74111,33 +75301,13 @@ static int backupOnePage( assert( zSrcData ); /* Catch the case where the destination is an in-memory database and the - ** page sizes of the source and destination differ. + ** page sizes of the source and destination differ. */ if( nSrcPgsz!=nDestPgsz && sqlite3PagerIsMemdb(pDestPager) ){ rc = SQLITE_READONLY; } -#ifdef SQLITE_HAS_CODEC - /* Backup is not possible if the page size of the destination is changing - ** and a codec is in use. - */ - if( nSrcPgsz!=nDestPgsz && sqlite3PagerGetCodec(pDestPager)!=0 ){ - rc = SQLITE_READONLY; - } - - /* Backup is not possible if the number of bytes of reserve space differ - ** between source and destination. If there is a difference, try to - ** fix the destination to agree with the source. If that is not possible, - ** then the backup cannot proceed. - */ - if( nSrcReserve!=nDestReserve ){ - u32 newPgsz = nSrcPgsz; - rc = sqlite3PagerSetPagesize(pDestPager, &newPgsz, nSrcReserve); - if( rc==SQLITE_OK && newPgsz!=(u32)nSrcPgsz ) rc = SQLITE_READONLY; - } -#endif - - /* This loop runs once for each destination page spanned by the source + /* This loop runs once for each destination page spanned by the source ** page. For each iteration, variable iOff is set to the byte offset ** of the destination page. */ @@ -74156,7 +75326,7 @@ static int backupOnePage( ** Then clear the Btree layer MemPage.isInit flag. Both this module ** and the pager code use this trick (clearing the first byte ** of the page 'extra' space to invalidate the Btree layers - ** cached parse of the page). MemPage.isInit is marked + ** cached parse of the page). MemPage.isInit is marked ** "MUST BE FIRST" for this purpose. */ memcpy(zOut, zIn, nCopy); @@ -74176,7 +75346,7 @@ static int backupOnePage( ** exactly iSize bytes. If pFile is not larger than iSize bytes, then ** this function is a no-op. ** -** Return SQLITE_OK if everything is successful, or an SQLite error +** Return SQLITE_OK if everything is successful, or an SQLite error ** code if an error occurs. */ static int backupTruncateFile(sqlite3_file *pFile, i64 iSize){ @@ -74258,7 +75428,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ /* Lock the destination database, if it is not locked already. */ if( SQLITE_OK==rc && p->bDestLocked==0 && SQLITE_OK==(rc = sqlite3BtreeBeginTrans(p->pDest, 2, - (int*)&p->iDestSchema)) + (int*)&p->iDestSchema)) ){ p->bDestLocked = 1; } @@ -74271,7 +75441,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ if( SQLITE_OK==rc && destMode==PAGER_JOURNALMODE_WAL && pgszSrc!=pgszDest ){ rc = SQLITE_READONLY; } - + /* Now that there is a read-lock on the source database, query the ** source pager for the number of pages in the database. */ @@ -74298,7 +75468,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ attachBackupObject(p); } } - + /* Update the schema version field in the destination database. This ** is to make sure that the schema-version really does change in ** the case where the source and destination databases have the @@ -74324,12 +75494,12 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ int nDestTruncate; /* Set nDestTruncate to the final number of pages in the destination ** database. The complication here is that the destination page - ** size may be different to the source page size. + ** size may be different to the source page size. ** - ** If the source page size is smaller than the destination page size, + ** If the source page size is smaller than the destination page size, ** round up. In this case the call to sqlite3OsTruncate() below will ** fix the size of the file. However it is important to call - ** sqlite3PagerTruncateImage() here so that any pages in the + ** sqlite3PagerTruncateImage() here so that any pages in the ** destination file that lie beyond the nDestTruncate page mark are ** journalled by PagerCommitPhaseOne() before they are destroyed ** by the file truncation. @@ -74353,7 +75523,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ ** ** * The destination may need to be truncated, and ** - ** * Data stored on the pages immediately following the + ** * Data stored on the pages immediately following the ** pending-byte page in the source database may need to be ** copied into the destination database. */ @@ -74365,7 +75535,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ i64 iEnd; assert( pFile ); - assert( nDestTruncate==0 + assert( nDestTruncate==0 || (i64)nDestTruncate*(i64)pgszDest >= iSize || ( nDestTruncate==(int)(PENDING_BYTE_PAGE(p->pDest->pBt)-1) && iSize>=PENDING_BYTE && iSize<=PENDING_BYTE+pgszDest @@ -74375,7 +75545,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ ** database has been stored in the journal for pDestPager and the ** journal synced to disk. So at this point we may safely modify ** the database file in any way, knowing that if a power failure - ** occurs, the original database will be reconstructed from the + ** occurs, the original database will be reconstructed from the ** journal file. */ sqlite3PagerPagecount(pDestPager, &nDstPage); for(iPg=nDestTruncate; rc==SQLITE_OK && iPg<=(Pgno)nDstPage; iPg++){ @@ -74395,8 +75565,8 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ /* Write the extra pages and truncate the database file as required */ iEnd = MIN(PENDING_BYTE + pgszDest, iSize); for( - iOff=PENDING_BYTE+pgszSrc; - rc==SQLITE_OK && iOff<iEnd; + iOff=PENDING_BYTE+pgszSrc; + rc==SQLITE_OK && iOff<iEnd; iOff+=pgszSrc ){ PgHdr *pSrcPg = 0; @@ -74420,7 +75590,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ sqlite3PagerTruncateImage(pDestPager, nDestTruncate); rc = sqlite3PagerCommitPhaseOne(pDestPager, 0, 0); } - + /* Finish committing the transaction to the destination database. */ if( SQLITE_OK==rc && SQLITE_OK==(rc = sqlite3BtreeCommitPhaseTwo(p->pDest, 0)) @@ -74429,7 +75599,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ } } } - + /* If bCloseTrans is true, then this function opened a read transaction ** on the source database. Close the read transaction here. There is ** no need to check the return values of the btree methods here, as @@ -74441,7 +75611,7 @@ SQLITE_API int sqlite3_backup_step(sqlite3_backup *p, int nPage){ TESTONLY( rc2 |= ) sqlite3BtreeCommitPhaseTwo(p->pSrc, 0); assert( rc2==SQLITE_OK ); } - + if( rc==SQLITE_IOERR_NOMEM ){ rc = SQLITE_NOMEM_BKPT; } @@ -74523,7 +75693,7 @@ SQLITE_API int sqlite3_backup_remaining(sqlite3_backup *p){ } /* -** Return the total number of pages in the source database as of the most +** Return the total number of pages in the source database as of the most ** recent call to sqlite3_backup_step(). */ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p){ @@ -74538,7 +75708,7 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p){ /* ** This function is called after the contents of page iPage of the -** source database have been modified. If page iPage has already been +** source database have been modified. If page iPage has already been ** copied into the destination database, then the data written to the ** destination is now invalidated. The destination copy of iPage needs ** to be updated with the new data before the backup operation is @@ -74581,7 +75751,7 @@ SQLITE_PRIVATE void sqlite3BackupUpdate(sqlite3_backup *pBackup, Pgno iPage, con ** Restart the backup process. This is called when the pager layer ** detects that the database has been modified by an external database ** connection. In this case there is no way of knowing which of the -** pages that have been copied into the destination database are still +** pages that have been copied into the destination database are still ** valid and which are not, so the entire process needs to be restarted. ** ** It is assumed that the mutex associated with the BtShared object @@ -74601,8 +75771,8 @@ SQLITE_PRIVATE void sqlite3BackupRestart(sqlite3_backup *pBackup){ ** Copy the complete content of pBtFrom into pBtTo. A transaction ** must be active for both files. ** -** The size of file pTo may be reduced by this operation. If anything -** goes wrong, the transaction on pTo is rolled back. If successful, the +** The size of file pTo may be reduced by this operation. If anything +** goes wrong, the transaction on pTo is rolled back. If successful, the ** transaction is committed before returning. */ SQLITE_PRIVATE int sqlite3BtreeCopyFile(Btree *pTo, Btree *pFrom){ @@ -74632,15 +75802,11 @@ SQLITE_PRIVATE int sqlite3BtreeCopyFile(Btree *pTo, Btree *pFrom){ b.pDest = pTo; b.iNext = 1; -#ifdef SQLITE_HAS_CODEC - sqlite3PagerAlignReserve(sqlite3BtreePager(pTo), sqlite3BtreePager(pFrom)); -#endif - /* 0x7FFFFFFF is the hard limit for the number of pages in a database ** file. By passing this as the number of pages to copy to - ** sqlite3_backup_step(), we can guarantee that the copy finishes + ** sqlite3_backup_step(), we can guarantee that the copy finishes ** within a single call (unless an error occurs). The assert() statement - ** checks this assumption - (p->rc) should be set to either SQLITE_DONE + ** checks this assumption - (p->rc) should be set to either SQLITE_DONE ** or an error code. */ sqlite3_backup_step(&b, 0x7FFFFFFF); assert( b.rc!=SQLITE_OK ); @@ -74695,7 +75861,7 @@ copy_finished: ** this: assert( sqlite3VdbeCheckMemInvariants(pMem) ); */ SQLITE_PRIVATE int sqlite3VdbeCheckMemInvariants(Mem *p){ - /* If MEM_Dyn is set then Mem.xDel!=0. + /* If MEM_Dyn is set then Mem.xDel!=0. ** Mem.xDel might not be initialized if MEM_Dyn is clear. */ assert( (p->flags & MEM_Dyn)==0 || p->xDel!=0 ); @@ -74750,7 +75916,7 @@ SQLITE_PRIVATE int sqlite3VdbeCheckMemInvariants(Mem *p){ ** (4) A static string or blob */ if( (p->flags & (MEM_Str|MEM_Blob)) && p->n>0 ){ - assert( + assert( ((p->szMalloc>0 && p->z==p->zMalloc)? 1 : 0) + ((p->flags&MEM_Dyn)!=0 ? 1 : 0) + ((p->flags&MEM_Ephem)!=0 ? 1 : 0) + @@ -74768,16 +75934,25 @@ SQLITE_PRIVATE int sqlite3VdbeCheckMemInvariants(Mem *p){ static void vdbeMemRenderNum(int sz, char *zBuf, Mem *p){ StrAccum acc; assert( p->flags & (MEM_Int|MEM_Real|MEM_IntReal) ); - sqlite3StrAccumInit(&acc, 0, zBuf, sz, 0); + assert( sz>22 ); if( p->flags & MEM_Int ){ - sqlite3_str_appendf(&acc, "%lld", p->u.i); - }else if( p->flags & MEM_IntReal ){ - sqlite3_str_appendf(&acc, "%!.15g", (double)p->u.i); +#if GCC_VERSION>=7000000 + /* Work-around for GCC bug + ** https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96270 */ + i64 x; + assert( (p->flags&MEM_Int)*2==sizeof(x) ); + memcpy(&x, (char*)&p->u, (p->flags&MEM_Int)*2); + sqlite3Int64ToText(x, zBuf); +#else + sqlite3Int64ToText(p->u.i, zBuf); +#endif }else{ - sqlite3_str_appendf(&acc, "%!.15g", p->u.r); + sqlite3StrAccumInit(&acc, 0, zBuf, sz, 0); + sqlite3_str_appendf(&acc, "%!.15g", + (p->flags & MEM_IntReal)!=0 ? (double)p->u.i : p->u.r); + assert( acc.zText==zBuf && acc.mxAlloc<=0 ); + zBuf[acc.nChar] = 0; /* Fast version of sqlite3StrAccumFinish(&acc) */ } - assert( acc.zText==zBuf && acc.mxAlloc<=0 ); - zBuf[acc.nChar] = 0; /* Fast version of sqlite3StrAccumFinish(&acc) */ } #ifdef SQLITE_DEBUG @@ -75118,21 +76293,17 @@ SQLITE_PRIVATE int sqlite3VdbeMemFinalize(Mem *pMem, FuncDef *pFunc){ ** This routine calls the xValue method for that function and stores ** the results in memory cell pMem. ** -** SQLITE_ERROR is returned if xValue() reports an error. SQLITE_OK +** SQLITE_ERROR is returned if xValue() reports an error. SQLITE_OK ** otherwise. */ #ifndef SQLITE_OMIT_WINDOWFUNC SQLITE_PRIVATE int sqlite3VdbeMemAggValue(Mem *pAccum, Mem *pOut, FuncDef *pFunc){ sqlite3_context ctx; - Mem t; assert( pFunc!=0 ); assert( pFunc->xValue!=0 ); assert( (pAccum->flags & MEM_Null)!=0 || pFunc==pAccum->u.pDef ); assert( pAccum->db==0 || sqlite3_mutex_held(pAccum->db->mutex) ); memset(&ctx, 0, sizeof(ctx)); - memset(&t, 0, sizeof(t)); - t.flags = MEM_Null; - t.db = pAccum->db; sqlite3VdbeMemSetNull(pOut); ctx.pOut = pOut; ctx.pMem = pAccum; @@ -75258,8 +76429,7 @@ SQLITE_PRIVATE i64 sqlite3VdbeIntValue(Mem *pMem){ return pMem->u.i; }else if( flags & MEM_Real ){ return doubleToInt64(pMem->u.r); - }else if( flags & (MEM_Str|MEM_Blob) ){ - assert( pMem->z || pMem->n==0 ); + }else if( (flags & (MEM_Str|MEM_Blob))!=0 && pMem->z!=0 ){ return memIntValue(pMem); }else{ return 0; @@ -75296,7 +76466,7 @@ SQLITE_PRIVATE double sqlite3VdbeRealValue(Mem *pMem){ /* ** Return 1 if pMem represents true, and return 0 if pMem represents false. -** Return the value ifNull if pMem is NULL. +** Return the value ifNull if pMem is NULL. */ SQLITE_PRIVATE int sqlite3VdbeBooleanValue(Mem *pMem, int ifNull){ testcase( pMem->flags & MEM_IntReal ); @@ -75416,8 +76586,8 @@ SQLITE_PRIVATE int sqlite3VdbeMemNumerify(Mem *pMem){ ** affinity even if that results in loss of data. This routine is ** used (for example) to implement the SQL "cast()" operator. */ -SQLITE_PRIVATE void sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ - if( pMem->flags & MEM_Null ) return; +SQLITE_PRIVATE int sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ + if( pMem->flags & MEM_Null ) return SQLITE_OK; switch( aff ){ case SQLITE_AFF_BLOB: { /* Really a cast to BLOB */ if( (pMem->flags & MEM_Blob)==0 ){ @@ -75448,9 +76618,10 @@ SQLITE_PRIVATE void sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){ sqlite3ValueApplyAffinity(pMem, SQLITE_AFF_TEXT, encoding); assert( pMem->flags & MEM_Str || pMem->db->mallocFailed ); pMem->flags &= ~(MEM_Int|MEM_Real|MEM_IntReal|MEM_Blob|MEM_Zero); - break; + return sqlite3VdbeChangeEncoding(pMem, encoding); } } + return SQLITE_OK; } /* @@ -75486,7 +76657,7 @@ SQLITE_PRIVATE void sqlite3VdbeMemSetNull(Mem *pMem){ } } SQLITE_PRIVATE void sqlite3ValueSetNull(sqlite3_value *p){ - sqlite3VdbeMemSetNull((Mem*)p); + sqlite3VdbeMemSetNull((Mem*)p); } /* @@ -75607,7 +76778,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemTooBig(Mem *p){ } return n>p->db->aLimit[SQLITE_LIMIT_LENGTH]; } - return 0; + return 0; } #ifdef SQLITE_DEBUG @@ -75616,26 +76787,28 @@ SQLITE_PRIVATE int sqlite3VdbeMemTooBig(Mem *p){ ** its link to a shallow copy and by marking any current shallow ** copies of this cell as invalid. ** -** This is used for testing and debugging only - to make sure shallow -** copies are not misused. +** This is used for testing and debugging only - to help ensure that shallow +** copies (created by OP_SCopy) are not misused. */ SQLITE_PRIVATE void sqlite3VdbeMemAboutToChange(Vdbe *pVdbe, Mem *pMem){ int i; Mem *pX; - for(i=0, pX=pVdbe->aMem; i<pVdbe->nMem; i++, pX++){ + for(i=1, pX=pVdbe->aMem+1; i<pVdbe->nMem; i++, pX++){ if( pX->pScopyFrom==pMem ){ - /* If pX is marked as a shallow copy of pMem, then verify that + u16 mFlags; + if( pVdbe->db->flags & SQLITE_VdbeTrace ){ + sqlite3DebugPrintf("Invalidate R[%d] due to change in R[%d]\n", + (int)(pX - pVdbe->aMem), (int)(pMem - pVdbe->aMem)); + } + /* If pX is marked as a shallow copy of pMem, then try to verify that ** no significant changes have been made to pX since the OP_SCopy. ** A significant change would indicated a missed call to this ** function for pX. Minor changes, such as adding or removing a ** dual type, are allowed, as long as the underlying value is the ** same. */ - u16 mFlags = pMem->flags & pX->flags & pX->mScopyFlags; + mFlags = pMem->flags & pX->flags & pX->mScopyFlags; assert( (mFlags&(MEM_Int|MEM_IntReal))==0 || pMem->u.i==pX->u.i ); - assert( (mFlags&MEM_Real)==0 || pMem->u.r==pX->u.r ); - assert( (mFlags&MEM_Str)==0 || (pMem->n==pX->n && pMem->z==pX->z) ); - assert( (mFlags&MEM_Blob)==0 || sqlite3BlobCompare(pMem,pX)==0 ); - + /* pMem is the register that is changing. But also mark pX as ** undefined so that we can quickly detect the shallow-copy error */ pX->flags = MEM_Undefined; @@ -75646,7 +76819,6 @@ SQLITE_PRIVATE void sqlite3VdbeMemAboutToChange(Vdbe *pVdbe, Mem *pMem){ } #endif /* SQLITE_DEBUG */ - /* ** Make an shallow copy of pFrom into pTo. Prior contents of ** pTo are freed. The pFrom->z field is not duplicated. If @@ -75712,8 +76884,8 @@ SQLITE_PRIVATE void sqlite3VdbeMemMove(Mem *pTo, Mem *pFrom){ ** Change the value of a Mem to be a string or a BLOB. ** ** The memory management strategy depends on the value of the xDel -** parameter. If the value passed is SQLITE_TRANSIENT, then the -** string is copied into a (possibly existing) buffer managed by the +** parameter. If the value passed is SQLITE_TRANSIENT, then the +** string is copied into a (possibly existing) buffer managed by the ** Mem structure. Otherwise, any existing buffer is freed and the ** pointer copied. ** @@ -75792,10 +76964,19 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetStr( pMem->n = nByte; pMem->flags = flags; - pMem->enc = (enc==0 ? SQLITE_UTF8 : enc); + if( enc ){ + pMem->enc = enc; +#ifdef SQLITE_ENABLE_SESSION + }else if( pMem->db==0 ){ + pMem->enc = SQLITE_UTF8; +#endif + }else{ + assert( pMem->db!=0 ); + pMem->enc = ENC(pMem->db); + } #ifndef SQLITE_OMIT_UTF16 - if( pMem->enc!=SQLITE_UTF8 && sqlite3VdbeMemHandleBom(pMem) ){ + if( enc>SQLITE_UTF8 && sqlite3VdbeMemHandleBom(pMem) ){ return SQLITE_NOMEM_BKPT; } #endif @@ -75822,7 +77003,7 @@ SQLITE_PRIVATE int sqlite3VdbeMemSetStr( ** If this routine fails for any reason (malloc returns NULL or unable ** to read from the disk) then the pMem is left in an inconsistent state. */ -static SQLITE_NOINLINE int vdbeMemFromBtreeResize( +SQLITE_PRIVATE int sqlite3VdbeMemFromBtree( BtCursor *pCur, /* Cursor pointing at record to retrieve. */ u32 offset, /* Offset from the start of data to return bytes from. */ u32 amt, /* Number of bytes to return. */ @@ -75845,31 +77026,28 @@ static SQLITE_NOINLINE int vdbeMemFromBtreeResize( } return rc; } -SQLITE_PRIVATE int sqlite3VdbeMemFromBtree( +SQLITE_PRIVATE int sqlite3VdbeMemFromBtreeZeroOffset( BtCursor *pCur, /* Cursor pointing at record to retrieve. */ - u32 offset, /* Offset from the start of data to return bytes from. */ u32 amt, /* Number of bytes to return. */ Mem *pMem /* OUT: Return data in this Mem structure. */ ){ - char *zData; /* Data from the btree layer */ u32 available = 0; /* Number of bytes available on the local btree page */ int rc = SQLITE_OK; /* Return code */ assert( sqlite3BtreeCursorIsValid(pCur) ); assert( !VdbeMemDynamic(pMem) ); - /* Note: the calls to BtreeKeyFetch() and DataFetch() below assert() + /* Note: the calls to BtreeKeyFetch() and DataFetch() below assert() ** that both the BtShared and database handle mutexes are held. */ assert( !sqlite3VdbeMemIsRowSet(pMem) ); - zData = (char *)sqlite3BtreePayloadFetch(pCur, &available); - assert( zData!=0 ); + pMem->z = (char *)sqlite3BtreePayloadFetch(pCur, &available); + assert( pMem->z!=0 ); - if( offset+amt<=available ){ - pMem->z = &zData[offset]; + if( amt<=available ){ pMem->flags = MEM_Blob|MEM_Ephem; pMem->n = (int)amt; }else{ - rc = vdbeMemFromBtreeResize(pCur, offset, amt, pMem); + rc = sqlite3VdbeMemFromBtree(pCur, 0, amt, pMem); } return rc; @@ -75951,7 +77129,7 @@ SQLITE_PRIVATE sqlite3_value *sqlite3ValueNew(sqlite3 *db){ } /* -** Context object passed by sqlite3Stat4ProbeSetValue() through to +** Context object passed by sqlite3Stat4ProbeSetValue() through to ** valueNew(). See comments above valueNew() for details. */ struct ValueNewStat4Ctx { @@ -75966,9 +77144,9 @@ struct ValueNewStat4Ctx { ** the second argument to this function is NULL, the object is allocated ** by calling sqlite3ValueNew(). ** -** Otherwise, if the second argument is non-zero, then this function is +** Otherwise, if the second argument is non-zero, then this function is ** being called indirectly by sqlite3Stat4ProbeSetValue(). If it has not -** already been allocated, allocate the UnpackedRecord structure that +** already been allocated, allocate the UnpackedRecord structure that ** that function will return to its caller here. Then return a pointer to ** an sqlite3_value within the UnpackedRecord.a[] array. */ @@ -75982,7 +77160,7 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ int nByte; /* Bytes of space to allocate */ int i; /* Counter variable */ int nCol = pIdx->nColumn; /* Number of index columns including rowid */ - + nByte = sizeof(Mem) * nCol + ROUND8(sizeof(UnpackedRecord)); pRec = (UnpackedRecord*)sqlite3DbMallocZero(db, nByte); if( pRec ){ @@ -76003,7 +77181,7 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ if( pRec==0 ) return 0; p->ppRec[0] = pRec; } - + pRec->nField = p->iVal+1; return &pRec->aMem[p->iVal]; } @@ -76022,11 +77200,11 @@ static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){ ** * the SQLITE_FUNC_NEEDCOLL function flag is not set, ** ** then this routine attempts to invoke the SQL function. Assuming no -** error occurs, output parameter (*ppVal) is set to point to a value +** error occurs, output parameter (*ppVal) is set to point to a value ** object containing the result before returning SQLITE_OK. ** ** Affinity aff is applied to the result of the function before returning. -** If the result is a text value, the sqlite3_value object uses encoding +** If the result is a text value, the sqlite3_value object uses encoding ** enc. ** ** If the conditions above are not met, this function returns SQLITE_OK @@ -76057,7 +77235,7 @@ static int valueFromFunction( if( pList ) nVal = pList->nExpr; pFunc = sqlite3FindFunction(db, p->u.zToken, nVal, enc, 0); assert( pFunc ); - if( (pFunc->funcFlags & (SQLITE_FUNC_CONSTANT|SQLITE_FUNC_SLOCHNG))==0 + if( (pFunc->funcFlags & (SQLITE_FUNC_CONSTANT|SQLITE_FUNC_SLOCHNG))==0 || (pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL) ){ return SQLITE_OK; @@ -76205,14 +77383,18 @@ static int valueFromExpr( } }else if( op==TK_UMINUS ) { /* This branch happens for multiple negative signs. Ex: -(-5) */ - if( SQLITE_OK==valueFromExpr(db,pExpr->pLeft,enc,affinity,&pVal,pCtx) + if( SQLITE_OK==valueFromExpr(db,pExpr->pLeft,enc,affinity,&pVal,pCtx) && pVal!=0 ){ sqlite3VdbeMemNumerify(pVal); if( pVal->flags & MEM_Real ){ pVal->u.r = -pVal->u.r; }else if( pVal->u.i==SMALLEST_INT64 ){ +#ifndef SQLITE_OMIT_FLOATING_POINT pVal->u.r = -(double)SMALLEST_INT64; +#else + pVal->u.r = LARGEST_INT64; +#endif MemSetTypeFlag(pVal, MEM_Real); }else{ pVal->u.i = -pVal->u.i; @@ -76350,8 +77532,8 @@ static int stat4ValueFromExpr( } /* -** This function is used to allocate and populate UnpackedRecord -** structures intended to be compared against sample index keys stored +** This function is used to allocate and populate UnpackedRecord +** structures intended to be compared against sample index keys stored ** in the sqlite_stat4 table. ** ** A single call to this function populates zero or more fields of the @@ -76362,14 +77544,14 @@ static int stat4ValueFromExpr( ** ** * The expression is a bound variable, and this is a reprepare, or ** -** * The sqlite3ValueFromExpr() function is able to extract a value +** * The sqlite3ValueFromExpr() function is able to extract a value ** from the expression (i.e. the expression is a literal value). ** ** Or, if pExpr is a TK_VECTOR, one field is populated for each of the ** vector components that match either of the two latter criteria listed ** above. ** -** Before any value is appended to the record, the affinity of the +** Before any value is appended to the record, the affinity of the ** corresponding column within index pIdx is applied to it. Before ** this function returns, output parameter *pnExtract is set to the ** number of values appended to the record. @@ -76420,9 +77602,9 @@ SQLITE_PRIVATE int sqlite3Stat4ProbeSetValue( /* ** Attempt to extract a value from expression pExpr using the methods -** as described for sqlite3Stat4ProbeSetValue() above. +** as described for sqlite3Stat4ProbeSetValue() above. ** -** If successful, set *ppVal to point to a new value object and return +** If successful, set *ppVal to point to a new value object and return ** SQLITE_OK. If no value can be extracted, but no other error occurs ** (e.g. OOM), return SQLITE_OK and set *ppVal to NULL. Or, if an error ** does occur, return an SQLite error code. The final value of *ppVal @@ -76442,7 +77624,7 @@ SQLITE_PRIVATE int sqlite3Stat4ValueFromExpr( ** the column value into *ppVal. If *ppVal is initially NULL then a new ** sqlite3_value object is allocated. ** -** If *ppVal is initially NULL then the caller is responsible for +** If *ppVal is initially NULL then the caller is responsible for ** ensuring that the value written into *ppVal is eventually freed. */ SQLITE_PRIVATE int sqlite3Stat4Column( @@ -76566,11 +77748,15 @@ SQLITE_PRIVATE int sqlite3ValueBytes(sqlite3_value *pVal, u8 enc){ ** ************************************************************************* ** This file contains code used for creating, destroying, and populating -** a VDBE (or an "sqlite3_stmt" as it is known to the outside world.) +** a VDBE (or an "sqlite3_stmt" as it is known to the outside world.) */ /* #include "sqliteInt.h" */ /* #include "vdbeInt.h" */ +/* Forward references */ +static void freeEphemeralFunction(sqlite3 *db, FuncDef *pDef); +static void vdbeFreeOpArray(sqlite3 *, Op *, int); + /* ** Create a new virtual database engine. */ @@ -76599,6 +77785,13 @@ SQLITE_PRIVATE Vdbe *sqlite3VdbeCreate(Parse *pParse){ } /* +** Return the Parse object that owns a Vdbe object. +*/ +SQLITE_PRIVATE Parse *sqlite3VdbeParser(Vdbe *p){ + return p->pParse; +} + +/* ** Change the error string stored in Vdbe.zErrMsg */ SQLITE_PRIVATE void sqlite3VdbeError(Vdbe *p, const char *zFormat, ...){ @@ -76678,7 +77871,7 @@ SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){ zTmp = pA->zSql; pA->zSql = pB->zSql; pB->zSql = zTmp; -#if 0 +#ifdef SQLITE_ENABLE_NORMALIZE zTmp = pA->zNormSql; pA->zNormSql = pB->zNormSql; pB->zNormSql = zTmp; @@ -76690,13 +77883,13 @@ SQLITE_PRIVATE void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){ } /* -** Resize the Vdbe.aOp array so that it is at least nOp elements larger +** Resize the Vdbe.aOp array so that it is at least nOp elements larger ** than its current size. nOp is guaranteed to be less than or equal ** to 1024/sizeof(Op). ** ** If an out-of-memory error occurs while resizing the array, return -** SQLITE_NOMEM. In this case Vdbe.aOp and Vdbe.nOpAlloc remain -** unchanged (this is so that any opcodes already allocated can be +** SQLITE_NOMEM. In this case Vdbe.aOp and Vdbe.nOpAlloc remain +** unchanged (this is so that any opcodes already allocated can be ** correctly deallocated along with the rest of the Vdbe). */ static int growOpArray(Vdbe *v, int nOp){ @@ -76704,7 +77897,7 @@ static int growOpArray(Vdbe *v, int nOp){ Parse *p = v->pParse; /* The SQLITE_TEST_REALLOC_STRESS compile-time option is designed to force - ** more frequent reallocs and hence provide more opportunities for + ** more frequent reallocs and hence provide more opportunities for ** simulated OOM faults. SQLITE_TEST_REALLOC_STRESS is generally used ** during testing only. With SQLITE_TEST_REALLOC_STRESS grow the op array ** by the minimum* amount required until the size reaches 512. Normal @@ -76739,9 +77932,16 @@ static int growOpArray(Vdbe *v, int nOp){ #ifdef SQLITE_DEBUG /* This routine is just a convenient place to set a breakpoint that will ** fire after each opcode is inserted and displayed using -** "PRAGMA vdbe_addoptrace=on". +** "PRAGMA vdbe_addoptrace=on". Parameters "pc" (program counter) and +** pOp are available to make the breakpoint conditional. +** +** Other useful labels for breakpoints include: +** test_trace_breakpoint(pc,pOp) +** sqlite3CorruptError(lineno) +** sqlite3MisuseError(lineno) +** sqlite3CantopenError(lineno) */ -static void test_addop_breakpoint(void){ +static void test_addop_breakpoint(int pc, Op *pOp){ static int n = 0; n++; } @@ -76794,7 +77994,7 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){ #ifdef SQLITE_DEBUG if( p->db->flags & SQLITE_VdbeAddopTrace ){ sqlite3VdbePrintOp(0, i, &p->aOp[i]); - test_addop_breakpoint(); + test_addop_breakpoint(i, &p->aOp[i]); } #endif #ifdef VDBE_PROFILE @@ -76878,6 +78078,49 @@ SQLITE_PRIVATE int sqlite3VdbeAddOp4( } /* +** Add an OP_Function or OP_PureFunc opcode. +** +** The eCallCtx argument is information (typically taken from Expr.op2) +** that describes the calling context of the function. 0 means a general +** function call. NC_IsCheck means called by a check constraint, +** NC_IdxExpr means called as part of an index expression. NC_PartIdx +** means in the WHERE clause of a partial index. NC_GenCol means called +** while computing a generated column value. 0 is the usual case. +*/ +SQLITE_PRIVATE int sqlite3VdbeAddFunctionCall( + Parse *pParse, /* Parsing context */ + int p1, /* Constant argument mask */ + int p2, /* First argument register */ + int p3, /* Register into which results are written */ + int nArg, /* Number of argument */ + const FuncDef *pFunc, /* The function to be invoked */ + int eCallCtx /* Calling context */ +){ + Vdbe *v = pParse->pVdbe; + int nByte; + int addr; + sqlite3_context *pCtx; + assert( v ); + nByte = sizeof(*pCtx) + (nArg-1)*sizeof(sqlite3_value*); + pCtx = sqlite3DbMallocRawNN(pParse->db, nByte); + if( pCtx==0 ){ + assert( pParse->db->mallocFailed ); + freeEphemeralFunction(pParse->db, (FuncDef*)pFunc); + return 0; + } + pCtx->pOut = 0; + pCtx->pFunc = (FuncDef*)pFunc; + pCtx->pVdbe = 0; + pCtx->isError = 0; + pCtx->argc = nArg; + pCtx->iOp = sqlite3VdbeCurrentAddr(v); + addr = sqlite3VdbeAddOp4(v, eCallCtx ? OP_PureFunc : OP_Function, + p1, p2, p3, (char*)pCtx, P4_FUNCCTX); + sqlite3VdbeChangeP5(v, eCallCtx & NC_SelfRef); + return addr; +} + +/* ** Add an opcode that includes the p4 value with a P4_INT64 or ** P4_REAL type. */ @@ -76919,7 +78162,7 @@ SQLITE_PRIVATE void sqlite3ExplainBreakpoint(const char *z1, const char *z2){ #endif /* -** Add a new OP_ opcode. +** Add a new OP_Explain opcode. ** ** If the bPush flag is true, then make this opcode the parent for ** subsequent Explains until sqlite3VdbeExplainPop() is called. @@ -77093,19 +78336,19 @@ SQLITE_PRIVATE void sqlite3VdbeReusable(Vdbe *p){ /* ** The following type and function are used to iterate through all opcodes -** in a Vdbe main program and each of the sub-programs (triggers) it may +** in a Vdbe main program and each of the sub-programs (triggers) it may ** invoke directly or indirectly. It should be used as follows: ** ** Op *pOp; ** VdbeOpIter sIter; ** ** memset(&sIter, 0, sizeof(sIter)); -** sIter.v = v; // v is of type Vdbe* +** sIter.v = v; // v is of type Vdbe* ** while( (pOp = opIterNext(&sIter)) ){ ** // Do something with pOp ** } ** sqlite3DbFree(v->db, sIter.apSub); -** +** */ typedef struct VdbeOpIter VdbeOpIter; struct VdbeOpIter { @@ -77138,7 +78381,7 @@ static Op *opIterNext(VdbeOpIter *p){ p->iSub++; p->iAddr = 0; } - + if( pRet->p4type==P4_SUBPROGRAM ){ int nByte = (p->nSub+1)*sizeof(SubProgram*); int j; @@ -77169,9 +78412,10 @@ static Op *opIterNext(VdbeOpIter *p){ ** * OP_HaltIfNull with P1=SQLITE_CONSTRAINT and P2=OE_Abort. ** * OP_Destroy ** * OP_VUpdate +** * OP_VCreate ** * OP_VRename ** * OP_FkCounter with P2==0 (immediate foreign key constraint) -** * OP_CreateBtree/BTREE_INTKEY and OP_InitCoroutine +** * OP_CreateBtree/BTREE_INTKEY and OP_InitCoroutine ** (for CREATE TABLE AS SELECT ...) ** ** Then check that the value of Parse.mayAbort is true if an @@ -77194,10 +78438,11 @@ SQLITE_PRIVATE int sqlite3VdbeAssertMayAbort(Vdbe *v, int mayAbort){ while( (pOp = opIterNext(&sIter))!=0 ){ int opcode = pOp->opcode; - if( opcode==OP_Destroy || opcode==OP_VUpdate || opcode==OP_VRename + if( opcode==OP_Destroy || opcode==OP_VUpdate || opcode==OP_VRename || opcode==OP_VDestroy + || opcode==OP_VCreate || (opcode==OP_ParseSchema && pOp->p4.z==0) - || ((opcode==OP_Halt || opcode==OP_HaltIfNull) + || ((opcode==OP_Halt || opcode==OP_HaltIfNull) && ((pOp->p1)!=SQLITE_OK && pOp->p2==OE_Abort)) ){ hasAbort = 1; @@ -77206,7 +78451,7 @@ SQLITE_PRIVATE int sqlite3VdbeAssertMayAbort(Vdbe *v, int mayAbort){ if( opcode==OP_CreateBtree && pOp->p3==BTREE_INTKEY ) hasCreateTable = 1; if( mayAbort ){ /* hasCreateIndex may also be set for some DELETE statements that use - ** OP_Clear. So this routine may end up returning true in the case + ** OP_Clear. So this routine may end up returning true in the case ** where a "DELETE FROM tbl" has a statement-journal but does not ** require one. This is not so bad - it is an inefficiency, not a bug. */ if( opcode==OP_CreateBtree && pOp->p3==BTREE_BLOBKEY ) hasCreateIndex = 1; @@ -77301,7 +78546,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ switch( pOp->opcode ){ case OP_Transaction: { if( pOp->p2!=0 ) p->readOnly = 0; - /* fall thru */ + /* no break */ deliberate_fall_through } case OP_AutoCommit: case OP_Savepoint: { @@ -77322,7 +78567,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ pOp->p4.xAdvance = sqlite3BtreeNext; pOp->p4type = P4_ADVANCE; /* The code generator never codes any of these opcodes as a jump - ** to a label. They are always coded as a jump backwards to a + ** to a label. They are always coded as a jump backwards to a ** known address */ assert( pOp->p2>=0 ); break; @@ -77331,7 +78576,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ pOp->p4.xAdvance = sqlite3BtreePrevious; pOp->p4type = P4_ADVANCE; /* The code generator never codes any of these opcodes as a jump - ** to a label. They are always coded as a jump backwards to a + ** to a label. They are always coded as a jump backwards to a ** known address */ assert( pOp->p2>=0 ); break; @@ -77348,6 +78593,7 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ n = pOp[-1].p1; if( n>nMaxArgs ) nMaxArgs = n; /* Fall through into the default case */ + /* no break */ deliberate_fall_through } #endif default: { @@ -77429,12 +78675,12 @@ SQLITE_PRIVATE void sqlite3VdbeVerifyAbortable(Vdbe *p, int onError){ /* ** This function returns a pointer to the array of opcodes associated with ** the Vdbe passed as the first argument. It is the callers responsibility -** to arrange for the returned array to be eventually freed using the +** to arrange for the returned array to be eventually freed using the ** vdbeFreeOpArray() function. ** ** Before returning, *pnOp is set to the number of entries in the returned -** array. Also, *pnMaxArg is set to the larger of its current value and -** the number of entries in the Vdbe.apArg[] array required to execute the +** array. Also, *pnMaxArg is set to the larger of its current value and +** the number of entries in the Vdbe.apArg[] array required to execute the ** returned program. */ SQLITE_PRIVATE VdbeOp *sqlite3VdbeTakeOpArray(Vdbe *p, int *pnOp, int *pnMaxArg){ @@ -77508,7 +78754,7 @@ SQLITE_PRIVATE VdbeOp *sqlite3VdbeAddOpList( SQLITE_PRIVATE void sqlite3VdbeScanStatus( Vdbe *p, /* VM to add scanstatus() to */ int addrExplain, /* Address of OP_Explain (or 0) */ - int addrLoop, /* Address of loop counter */ + int addrLoop, /* Address of loop counter */ int addrVisit, /* Address of rows visited counter */ LogEst nEst, /* Estimated number of output rows */ const char *zName /* Name of table or index being scanned */ @@ -77558,6 +78804,34 @@ SQLITE_PRIVATE void sqlite3VdbeJumpHere(Vdbe *p, int addr){ sqlite3VdbeChangeP2(p, addr, p->nOp); } +/* +** Change the P2 operand of the jump instruction at addr so that +** the jump lands on the next opcode. Or if the jump instruction was +** the previous opcode (and is thus a no-op) then simply back up +** the next instruction counter by one slot so that the jump is +** overwritten by the next inserted opcode. +** +** This routine is an optimization of sqlite3VdbeJumpHere() that +** strives to omit useless byte-code like this: +** +** 7 Once 0 8 0 +** 8 ... +*/ +SQLITE_PRIVATE void sqlite3VdbeJumpHereOrPopInst(Vdbe *p, int addr){ + if( addr==p->nOp-1 ){ + assert( p->aOp[addr].opcode==OP_Once + || p->aOp[addr].opcode==OP_If + || p->aOp[addr].opcode==OP_FkIfZero ); + assert( p->aOp[addr].p4type==0 ); +#ifdef SQLITE_VDBE_COVERAGE + sqlite3VdbeGetOp(p,-1)->iSrcLine = 0; /* Erase VdbeCoverage() macros */ +#endif + p->nOp--; + }else{ + sqlite3VdbeChangeP2(p, addr, p->nOp); + } +} + /* ** If the input FuncDef structure is ephemeral, then free it. If @@ -77569,8 +78843,6 @@ static void freeEphemeralFunction(sqlite3 *db, FuncDef *pDef){ } } -static void vdbeFreeOpArray(sqlite3 *, Op *, int); - /* ** Delete a P4 value if necessary. */ @@ -77580,7 +78852,7 @@ static SQLITE_NOINLINE void freeP4Mem(sqlite3 *db, Mem *p){ } static SQLITE_NOINLINE void freeP4FuncCtx(sqlite3 *db, sqlite3_context *p){ freeEphemeralFunction(db, p->pFunc); - sqlite3DbFreeNN(db, p); + sqlite3DbFreeNN(db, p); } static void freeP4(sqlite3 *db, int p4type, void *p4){ assert( db ); @@ -77628,8 +78900,8 @@ static void freeP4(sqlite3 *db, int p4type, void *p4){ /* ** Free the space allocated for aOp and any p4 values allocated for the -** opcodes contained within. If aOp is not NULL it is assumed to contain -** nOp entries. +** opcodes contained within. If aOp is not NULL it is assumed to contain +** nOp entries. */ static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){ if( aOp ){ @@ -77638,7 +78910,7 @@ static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){ if( pOp->p4type <= P4_FREE_IF_LE ) freeP4(db, pOp->p4type, pOp->p4.p); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS sqlite3DbFree(db, pOp->zComment); -#endif +#endif } sqlite3DbFreeNN(db, aOp); } @@ -77655,6 +78927,13 @@ SQLITE_PRIVATE void sqlite3VdbeLinkSubProgram(Vdbe *pVdbe, SubProgram *p){ } /* +** Return true if the given Vdbe has any SubPrograms. +*/ +SQLITE_PRIVATE int sqlite3VdbeHasSubProgram(Vdbe *pVdbe){ + return pVdbe->pProgram!=0; +} + +/* ** Change the opcode at addr into OP_Noop */ SQLITE_PRIVATE int sqlite3VdbeChangeToNoop(Vdbe *p, int addr){ @@ -77681,6 +78960,41 @@ SQLITE_PRIVATE int sqlite3VdbeDeletePriorOpcode(Vdbe *p, u8 op){ } } +#ifdef SQLITE_DEBUG +/* +** Generate an OP_ReleaseReg opcode to indicate that a range of +** registers, except any identified by mask, are no longer in use. +*/ +SQLITE_PRIVATE void sqlite3VdbeReleaseRegisters( + Parse *pParse, /* Parsing context */ + int iFirst, /* Index of first register to be released */ + int N, /* Number of registers to release */ + u32 mask, /* Mask of registers to NOT release */ + int bUndefine /* If true, mark registers as undefined */ +){ + if( N==0 ) return; + assert( pParse->pVdbe ); + assert( iFirst>=1 ); + assert( iFirst+N-1<=pParse->nMem ); + if( N<=31 && mask!=0 ){ + while( N>0 && (mask&1)!=0 ){ + mask >>= 1; + iFirst++; + N--; + } + while( N>0 && N<=32 && (mask & MASKBIT32(N-1))!=0 ){ + mask &= ~MASKBIT32(N-1); + N--; + } + } + if( N>0 ){ + sqlite3VdbeAddOp3(pParse->pVdbe, OP_ReleaseReg, iFirst, N, *(int*)&mask); + if( bUndefine ) sqlite3VdbeChangeP5(pParse->pVdbe, 1); + } +} +#endif /* SQLITE_DEBUG */ + + /* ** Change the value of the P4 operand for a specific instruction. ** This routine is useful when a large program is loaded from a @@ -77691,7 +79005,7 @@ SQLITE_PRIVATE int sqlite3VdbeDeletePriorOpcode(Vdbe *p, u8 op){ ** the string is made into memory obtained from sqlite3_malloc(). ** A value of n==0 means copy bytes of zP4 up to and including the ** first null byte. If n>0 then copy n+1 bytes of zP4. -** +** ** Other values of n (P4_STATIC, P4_COLLSEQ etc.) indicate that zP4 points ** to a string or structure that is guaranteed to exist for the lifetime of ** the Vdbe. In these cases we can just copy the pointer. @@ -77752,7 +79066,7 @@ SQLITE_PRIVATE void sqlite3VdbeChangeP4(Vdbe *p, int addr, const char *zP4, int } /* -** Change the P4 operand of the most recently coded instruction +** Change the P4 operand of the most recently coded instruction ** to the value defined by the arguments. This is a high-speed ** version of sqlite3VdbeChangeP4(). ** @@ -77798,7 +79112,8 @@ SQLITE_PRIVATE void sqlite3VdbeSetP4KeyInfo(Parse *pParse, Index *pIdx){ */ static void vdbeVComment(Vdbe *p, const char *zFormat, va_list ap){ assert( p->nOp>0 || p->aOp==0 ); - assert( p->aOp==0 || p->aOp[p->nOp-1].zComment==0 || p->db->mallocFailed ); + assert( p->aOp==0 || p->aOp[p->nOp-1].zComment==0 || p->db->mallocFailed + || p->pParse->nErr>0 ); if( p->nOp ){ assert( p->aOp ); sqlite3DbFree(p->db, p->aOp[p->nOp-1].zComment); @@ -77841,7 +79156,7 @@ SQLITE_PRIVATE void sqlite3VdbeSetLineNumber(Vdbe *v, int iLine){ ** routine, then a pointer to a dummy VdbeOp will be returned. That opcode ** is readable but not writable, though it is cast to a writable value. ** The return of a dummy opcode allows the call to continue functioning -** after an OOM fault without having to check to see if the return from +** after an OOM fault without having to check to see if the return from ** this routine is a valid pointer. But because the dummy.opcode is 0, ** dummy will never be written to. This is verified by code inspection and ** by running with Valgrind. @@ -77888,17 +79203,19 @@ static int translateP(char c, const Op *pOp){ ** "PX@PY+1" -> "r[X..X+Y]" or "r[x]" if y is 0 ** "PY..PY" -> "r[X..Y]" or "r[x]" if y<=x */ -static int displayComment( +SQLITE_PRIVATE char *sqlite3VdbeDisplayComment( + sqlite3 *db, /* Optional - Oom error reporting only */ const Op *pOp, /* The opcode to be commented */ - const char *zP4, /* Previously obtained value for P4 */ - char *zTemp, /* Write result here */ - int nTemp /* Space available in zTemp[] */ + const char *zP4 /* Previously obtained value for P4 */ ){ const char *zOpName; const char *zSynopsis; int nOpName; - int ii, jj; + int ii; char zAlt[50]; + StrAccum x; + + sqlite3StrAccumInit(&x, 0, 0, 0, SQLITE_MAX_LENGTH); zOpName = sqlite3OpcodeName(pOp->opcode); nOpName = sqlite3Strlen30(zOpName); if( zOpName[nOpName+1] ){ @@ -77913,53 +79230,64 @@ static int displayComment( } zSynopsis = zAlt; } - for(ii=jj=0; jj<nTemp-1 && (c = zSynopsis[ii])!=0; ii++){ + for(ii=0; (c = zSynopsis[ii])!=0; ii++){ if( c=='P' ){ c = zSynopsis[++ii]; if( c=='4' ){ - sqlite3_snprintf(nTemp-jj, zTemp+jj, "%s", zP4); + sqlite3_str_appendall(&x, zP4); }else if( c=='X' ){ - sqlite3_snprintf(nTemp-jj, zTemp+jj, "%s", pOp->zComment); + sqlite3_str_appendall(&x, pOp->zComment); seenCom = 1; }else{ int v1 = translateP(c, pOp); int v2; - sqlite3_snprintf(nTemp-jj, zTemp+jj, "%d", v1); if( strncmp(zSynopsis+ii+1, "@P", 2)==0 ){ ii += 3; - jj += sqlite3Strlen30(zTemp+jj); v2 = translateP(zSynopsis[ii], pOp); if( strncmp(zSynopsis+ii+1,"+1",2)==0 ){ ii += 2; v2++; } - if( v2>1 ){ - sqlite3_snprintf(nTemp-jj, zTemp+jj, "..%d", v1+v2-1); + if( v2<2 ){ + sqlite3_str_appendf(&x, "%d", v1); + }else{ + sqlite3_str_appendf(&x, "%d..%d", v1, v1+v2-1); + } + }else if( strncmp(zSynopsis+ii+1, "@NP", 3)==0 ){ + sqlite3_context *pCtx = pOp->p4.pCtx; + if( pOp->p4type!=P4_FUNCCTX || pCtx->argc==1 ){ + sqlite3_str_appendf(&x, "%d", v1); + }else if( pCtx->argc>1 ){ + sqlite3_str_appendf(&x, "%d..%d", v1, v1+pCtx->argc-1); + }else{ + assert( x.nChar>2 ); + x.nChar -= 2; + ii++; + } + ii += 3; + }else{ + sqlite3_str_appendf(&x, "%d", v1); + if( strncmp(zSynopsis+ii+1, "..P3", 4)==0 && pOp->p3==0 ){ + ii += 4; } - }else if( strncmp(zSynopsis+ii+1, "..P3", 4)==0 && pOp->p3==0 ){ - ii += 4; } } - jj += sqlite3Strlen30(zTemp+jj); }else{ - zTemp[jj++] = c; + sqlite3_str_appendchar(&x, 1, c); } } - if( !seenCom && jj<nTemp-5 && pOp->zComment ){ - sqlite3_snprintf(nTemp-jj, zTemp+jj, "; %s", pOp->zComment); - jj += sqlite3Strlen30(zTemp+jj); + if( !seenCom && pOp->zComment ){ + sqlite3_str_appendf(&x, "; %s", pOp->zComment); } - if( jj<nTemp ) zTemp[jj] = 0; }else if( pOp->zComment ){ - sqlite3_snprintf(nTemp, zTemp, "%s", pOp->zComment); - jj = sqlite3Strlen30(zTemp); - }else{ - zTemp[0] = 0; - jj = 0; + sqlite3_str_appendall(&x, pOp->zComment); } - return jj; + if( (x.accError & SQLITE_NOMEM)!=0 && db!=0 ){ + sqlite3OomFault(db); + } + return sqlite3StrAccumFinish(&x); } -#endif /* SQLITE_DEBUG */ +#endif /* SQLITE_ENABLE_EXPLAIN_COMMENTS */ #if VDBE_DISPLAY_P4 && defined(SQLITE_ENABLE_CURSOR_HINTS) /* @@ -78040,11 +79368,11 @@ static void displayP4Expr(StrAccum *p, Expr *pExpr){ ** Compute a string that describes the P4 parameter for an opcode. ** Use zTemp for any required temporary buffer space. */ -static char *displayP4(Op *pOp, char *zTemp, int nTemp){ - char *zP4 = zTemp; +SQLITE_PRIVATE char *sqlite3VdbeDisplayP4(sqlite3 *db, Op *pOp){ + char *zP4 = 0; StrAccum x; - assert( nTemp>=20 ); - sqlite3StrAccumInit(&x, 0, zTemp, nTemp, 0); + + sqlite3StrAccumInit(&x, 0, 0, 0, SQLITE_MAX_LENGTH); switch( pOp->p4type ){ case P4_KEYINFO: { int j; @@ -78055,9 +79383,9 @@ static char *displayP4(Op *pOp, char *zTemp, int nTemp){ CollSeq *pColl = pKeyInfo->aColl[j]; const char *zColl = pColl ? pColl->zName : ""; if( strcmp(zColl, "BINARY")==0 ) zColl = "B"; - sqlite3_str_appendf(&x, ",%s%s%s", - (pKeyInfo->aSortFlags[j] & KEYINFO_ORDER_DESC) ? "-" : "", - (pKeyInfo->aSortFlags[j] & KEYINFO_ORDER_BIGNULL)? "N." : "", + sqlite3_str_appendf(&x, ",%s%s%s", + (pKeyInfo->aSortFlags[j] & KEYINFO_ORDER_DESC) ? "-" : "", + (pKeyInfo->aSortFlags[j] & KEYINFO_ORDER_BIGNULL)? "N." : "", zColl); } sqlite3_str_append(&x, ")", 1); @@ -78070,8 +79398,11 @@ static char *displayP4(Op *pOp, char *zTemp, int nTemp){ } #endif case P4_COLLSEQ: { + static const char *const encnames[] = {"?", "8", "16LE", "16BE"}; CollSeq *pColl = pOp->p4.pColl; - sqlite3_str_appendf(&x, "(%.20s)", pColl->zName); + assert( pColl->enc>=0 && pColl->enc<4 ); + sqlite3_str_appendf(&x, "%.18s-%s", pColl->zName, + encnames[pColl->enc]); break; } case P4_FUNCDEF: { @@ -78079,13 +79410,11 @@ static char *displayP4(Op *pOp, char *zTemp, int nTemp){ sqlite3_str_appendf(&x, "%s(%d)", pDef->zName, pDef->nArg); break; } -#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) case P4_FUNCCTX: { FuncDef *pDef = pOp->p4.pCtx->pFunc; sqlite3_str_appendf(&x, "%s(%d)", pDef->zName, pDef->nArg); break; } -#endif case P4_INT64: { sqlite3_str_appendf(&x, "%lld", *pOp->p4.pI64); break; @@ -78122,41 +79451,37 @@ static char *displayP4(Op *pOp, char *zTemp, int nTemp){ } #endif case P4_INTARRAY: { - int i; - int *ai = pOp->p4.ai; - int n = ai[0]; /* The first element of an INTARRAY is always the + u32 i; + u32 *ai = pOp->p4.ai; + u32 n = ai[0]; /* The first element of an INTARRAY is always the ** count of the number of elements to follow */ for(i=1; i<=n; i++){ - sqlite3_str_appendf(&x, ",%d", ai[i]); + sqlite3_str_appendf(&x, "%c%u", (i==1 ? '[' : ','), ai[i]); } - zTemp[0] = '['; sqlite3_str_append(&x, "]", 1); break; } case P4_SUBPROGRAM: { - sqlite3_str_appendf(&x, "program"); + zP4 = "program"; break; } case P4_DYNBLOB: case P4_ADVANCE: { - zTemp[0] = 0; break; } case P4_TABLE: { - sqlite3_str_appendf(&x, "%s", pOp->p4.pTab->zName); + zP4 = pOp->p4.pTab->zName; break; } default: { zP4 = pOp->p4.z; - if( zP4==0 ){ - zP4 = zTemp; - zTemp[0] = 0; - } } } - sqlite3StrAccumFinish(&x); - assert( zP4!=0 ); - return zP4; + if( zP4 ) sqlite3_str_appendall(&x, zP4); + if( (x.accError & SQLITE_NOMEM)!=0 ){ + sqlite3OomFault(db); + } + return sqlite3StrAccumFinish(&x); } #endif /* VDBE_DISPLAY_P4 */ @@ -78187,13 +79512,13 @@ SQLITE_PRIVATE void sqlite3VdbeUsesBtree(Vdbe *p, int i){ ** ** If SQLite is not threadsafe but does support shared-cache mode, then ** sqlite3BtreeEnter() is invoked to set the BtShared.db variables -** of all of BtShared structures accessible via the database handle +** of all of BtShared structures accessible via the database handle ** associated with the VM. ** ** If SQLite is not threadsafe and does not support shared-cache mode, this ** function is a no-op. ** -** The p->btreeMask field is a bitmask of all btrees that the prepared +** The p->btreeMask field is a bitmask of all btrees that the prepared ** statement p will ever use. Let N be the number of bits in p->btreeMask ** corresponding to btrees that use shared cache. Then the runtime of ** this routine is N*N. But as N is rarely more than 1, this should not @@ -78246,24 +79571,30 @@ SQLITE_PRIVATE void sqlite3VdbeLeave(Vdbe *p){ */ SQLITE_PRIVATE void sqlite3VdbePrintOp(FILE *pOut, int pc, VdbeOp *pOp){ char *zP4; - char zPtr[50]; - char zCom[100]; + char *zCom; + sqlite3 dummyDb; static const char *zFormat1 = "%4d %-13s %4d %4d %4d %-13s %.2X %s\n"; if( pOut==0 ) pOut = stdout; - zP4 = displayP4(pOp, zPtr, sizeof(zPtr)); + sqlite3BeginBenignMalloc(); + dummyDb.mallocFailed = 1; + zP4 = sqlite3VdbeDisplayP4(&dummyDb, pOp); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS - displayComment(pOp, zP4, zCom, sizeof(zCom)); + zCom = sqlite3VdbeDisplayComment(0, pOp, zP4); #else - zCom[0] = 0; + zCom = 0; #endif /* NB: The sqlite3OpcodeName() function is implemented by code created ** by the mkopcodeh.awk and mkopcodec.awk scripts which extract the ** information from the vdbe.c source text */ - fprintf(pOut, zFormat1, pc, - sqlite3OpcodeName(pOp->opcode), pOp->p1, pOp->p2, pOp->p3, zP4, pOp->p5, - zCom + fprintf(pOut, zFormat1, pc, + sqlite3OpcodeName(pOp->opcode), pOp->p1, pOp->p2, pOp->p3, + zP4 ? zP4 : "", pOp->p5, + zCom ? zCom : "" ); fflush(pOut); + sqlite3_free(zP4); + sqlite3_free(zCom); + sqlite3EndBenignMalloc(); } #endif @@ -78300,15 +79631,15 @@ static void releaseMemArray(Mem *p, int N){ assert( sqlite3VdbeCheckMemInvariants(p) ); /* This block is really an inlined version of sqlite3VdbeMemRelease() - ** that takes advantage of the fact that the memory cell value is + ** that takes advantage of the fact that the memory cell value is ** being set to NULL after releasing any dynamic resources. ** - ** The justification for duplicating code is that according to - ** callgrind, this causes a certain test case to hit the CPU 4.7 - ** percent less (x86 linux, gcc version 4.1.2, -O6) than if + ** The justification for duplicating code is that according to + ** callgrind, this causes a certain test case to hit the CPU 4.7 + ** percent less (x86 linux, gcc version 4.1.2, -O6) than if ** sqlite3MemRelease() were called from here. With -O2, this jumps - ** to 6.6 percent. The test case is inserting 1000 rows into a table - ** with no indexes using a single prepared INSERT statement, bind() + ** to 6.6 percent. The test case is inserting 1000 rows into a table + ** with no indexes using a single prepared INSERT statement, bind() ** and reset(). Inserts are grouped into a transaction. */ testcase( p->flags & MEM_Agg ); @@ -78354,6 +79685,121 @@ SQLITE_PRIVATE void sqlite3VdbeFrameMemDel(void *pArg){ pFrame->v->pDelFrame = pFrame; } +#if defined(SQLITE_ENABLE_BYTECODE_VTAB) || !defined(SQLITE_OMIT_EXPLAIN) +/* +** Locate the next opcode to be displayed in EXPLAIN or EXPLAIN +** QUERY PLAN output. +** +** Return SQLITE_ROW on success. Return SQLITE_DONE if there are no +** more opcodes to be displayed. +*/ +SQLITE_PRIVATE int sqlite3VdbeNextOpcode( + Vdbe *p, /* The statement being explained */ + Mem *pSub, /* Storage for keeping track of subprogram nesting */ + int eMode, /* 0: normal. 1: EQP. 2: TablesUsed */ + int *piPc, /* IN/OUT: Current rowid. Overwritten with next rowid */ + int *piAddr, /* OUT: Write index into (*paOp)[] here */ + Op **paOp /* OUT: Write the opcode array here */ +){ + int nRow; /* Stop when row count reaches this */ + int nSub = 0; /* Number of sub-vdbes seen so far */ + SubProgram **apSub = 0; /* Array of sub-vdbes */ + int i; /* Next instruction address */ + int rc = SQLITE_OK; /* Result code */ + Op *aOp = 0; /* Opcode array */ + int iPc; /* Rowid. Copy of value in *piPc */ + + /* When the number of output rows reaches nRow, that means the + ** listing has finished and sqlite3_step() should return SQLITE_DONE. + ** nRow is the sum of the number of rows in the main program, plus + ** the sum of the number of rows in all trigger subprograms encountered + ** so far. The nRow value will increase as new trigger subprograms are + ** encountered, but p->pc will eventually catch up to nRow. + */ + nRow = p->nOp; + if( pSub!=0 ){ + if( pSub->flags&MEM_Blob ){ + /* pSub is initiallly NULL. It is initialized to a BLOB by + ** the P4_SUBPROGRAM processing logic below */ + nSub = pSub->n/sizeof(Vdbe*); + apSub = (SubProgram **)pSub->z; + } + for(i=0; i<nSub; i++){ + nRow += apSub[i]->nOp; + } + } + iPc = *piPc; + while(1){ /* Loop exits via break */ + i = iPc++; + if( i>=nRow ){ + p->rc = SQLITE_OK; + rc = SQLITE_DONE; + break; + } + if( i<p->nOp ){ + /* The rowid is small enough that we are still in the + ** main program. */ + aOp = p->aOp; + }else{ + /* We are currently listing subprograms. Figure out which one and + ** pick up the appropriate opcode. */ + int j; + i -= p->nOp; + assert( apSub!=0 ); + assert( nSub>0 ); + for(j=0; i>=apSub[j]->nOp; j++){ + i -= apSub[j]->nOp; + assert( i<apSub[j]->nOp || j+1<nSub ); + } + aOp = apSub[j]->aOp; + } + + /* When an OP_Program opcode is encounter (the only opcode that has + ** a P4_SUBPROGRAM argument), expand the size of the array of subprograms + ** kept in p->aMem[9].z to hold the new program - assuming this subprogram + ** has not already been seen. + */ + if( pSub!=0 && aOp[i].p4type==P4_SUBPROGRAM ){ + int nByte = (nSub+1)*sizeof(SubProgram*); + int j; + for(j=0; j<nSub; j++){ + if( apSub[j]==aOp[i].p4.pProgram ) break; + } + if( j==nSub ){ + p->rc = sqlite3VdbeMemGrow(pSub, nByte, nSub!=0); + if( p->rc!=SQLITE_OK ){ + rc = SQLITE_ERROR; + break; + } + apSub = (SubProgram **)pSub->z; + apSub[nSub++] = aOp[i].p4.pProgram; + MemSetTypeFlag(pSub, MEM_Blob); + pSub->n = nSub*sizeof(SubProgram*); + nRow += aOp[i].p4.pProgram->nOp; + } + } + if( eMode==0 ) break; +#ifdef SQLITE_ENABLE_BYTECODE_VTAB + if( eMode==2 ){ + Op *pOp = aOp + i; + if( pOp->opcode==OP_OpenRead ) break; + if( pOp->opcode==OP_OpenWrite && (pOp->p5 & OPFLAG_P2ISREG)==0 ) break; + if( pOp->opcode==OP_ReopenIdx ) break; + }else +#endif + { + assert( eMode==1 ); + if( aOp[i].opcode==OP_Explain ) break; + if( aOp[i].opcode==OP_Init && iPc>1 ) break; + } + } + *piPc = iPc; + *piAddr = i; + *paOp = aOp; + return rc; +} +#endif /* SQLITE_ENABLE_BYTECODE_VTAB || !SQLITE_OMIT_EXPLAIN */ + /* ** Delete a VdbeFrame object and its contents. VdbeFrame objects are @@ -78394,16 +79840,14 @@ SQLITE_PRIVATE void sqlite3VdbeFrameDelete(VdbeFrame *p){ SQLITE_PRIVATE int sqlite3VdbeList( Vdbe *p /* The VDBE */ ){ - int nRow; /* Stop when row count reaches this */ - int nSub = 0; /* Number of sub-vdbes seen so far */ - SubProgram **apSub = 0; /* Array of sub-vdbes */ Mem *pSub = 0; /* Memory cell hold array of subprogs */ sqlite3 *db = p->db; /* The database connection */ int i; /* Loop counter */ int rc = SQLITE_OK; /* Return code */ Mem *pMem = &p->aMem[1]; /* First Mem of result set */ int bListSubprogs = (p->explain==1 || (db->flags & SQLITE_TriggerEQP)!=0); - Op *pOp = 0; + Op *aOp; /* Array of opcodes */ + Op *pOp; /* Current opcode */ assert( p->explain ); assert( p->magic==VDBE_MAGIC_RUN ); @@ -78423,14 +79867,6 @@ SQLITE_PRIVATE int sqlite3VdbeList( return SQLITE_ERROR; } - /* When the number of output rows reaches nRow, that means the - ** listing has finished and sqlite3_step() should return SQLITE_DONE. - ** nRow is the sum of the number of rows in the main program, plus - ** the sum of the number of rows in all trigger subprograms encountered - ** so far. The nRow value will increase as new trigger subprograms are - ** encountered, but p->pc will eventually catch up to nRow. - */ - nRow = p->nOp; if( bListSubprogs ){ /* The first 8 memory cells are used for the result set. So we will ** commandeer the 9th cell to use as storage for an array of pointers @@ -78438,147 +79874,55 @@ SQLITE_PRIVATE int sqlite3VdbeList( ** cells. */ assert( p->nMem>9 ); pSub = &p->aMem[9]; - if( pSub->flags&MEM_Blob ){ - /* On the first call to sqlite3_step(), pSub will hold a NULL. It is - ** initialized to a BLOB by the P4_SUBPROGRAM processing logic below */ - nSub = pSub->n/sizeof(Vdbe*); - apSub = (SubProgram **)pSub->z; - } - for(i=0; i<nSub; i++){ - nRow += apSub[i]->nOp; - } + }else{ + pSub = 0; } - while(1){ /* Loop exits via break */ - i = p->pc++; - if( i>=nRow ){ - p->rc = SQLITE_OK; - rc = SQLITE_DONE; - break; - } - if( i<p->nOp ){ - /* The output line number is small enough that we are still in the - ** main program. */ - pOp = &p->aOp[i]; - }else{ - /* We are currently listing subprograms. Figure out which one and - ** pick up the appropriate opcode. */ - int j; - i -= p->nOp; - assert( apSub!=0 ); - assert( nSub>0 ); - for(j=0; i>=apSub[j]->nOp; j++){ - i -= apSub[j]->nOp; - assert( i<apSub[j]->nOp || j+1<nSub ); - } - pOp = &apSub[j]->aOp[i]; - } - - /* When an OP_Program opcode is encounter (the only opcode that has - ** a P4_SUBPROGRAM argument), expand the size of the array of subprograms - ** kept in p->aMem[9].z to hold the new program - assuming this subprogram - ** has not already been seen. - */ - if( bListSubprogs && pOp->p4type==P4_SUBPROGRAM ){ - int nByte = (nSub+1)*sizeof(SubProgram*); - int j; - for(j=0; j<nSub; j++){ - if( apSub[j]==pOp->p4.pProgram ) break; - } - if( j==nSub ){ - p->rc = sqlite3VdbeMemGrow(pSub, nByte, nSub!=0); - if( p->rc!=SQLITE_OK ){ - rc = SQLITE_ERROR; - break; - } - apSub = (SubProgram **)pSub->z; - apSub[nSub++] = pOp->p4.pProgram; - pSub->flags |= MEM_Blob; - pSub->n = nSub*sizeof(SubProgram*); - nRow += pOp->p4.pProgram->nOp; - } - } - if( p->explain<2 ) break; - if( pOp->opcode==OP_Explain ) break; - if( pOp->opcode==OP_Init && p->pc>1 ) break; - } + /* Figure out which opcode is next to display */ + rc = sqlite3VdbeNextOpcode(p, pSub, p->explain==2, &p->pc, &i, &aOp); if( rc==SQLITE_OK ){ - if( db->u1.isInterrupted ){ + pOp = aOp + i; + if( AtomicLoad(&db->u1.isInterrupted) ){ p->rc = SQLITE_INTERRUPT; rc = SQLITE_ERROR; sqlite3VdbeError(p, sqlite3ErrStr(p->rc)); }else{ - char *zP4; - if( p->explain==1 ){ - pMem->flags = MEM_Int; - pMem->u.i = i; /* Program counter */ - pMem++; - - pMem->flags = MEM_Static|MEM_Str|MEM_Term; - pMem->z = (char*)sqlite3OpcodeName(pOp->opcode); /* Opcode */ - assert( pMem->z!=0 ); - pMem->n = sqlite3Strlen30(pMem->z); - pMem->enc = SQLITE_UTF8; - pMem++; - } - - pMem->flags = MEM_Int; - pMem->u.i = pOp->p1; /* P1 */ - pMem++; - - pMem->flags = MEM_Int; - pMem->u.i = pOp->p2; /* P2 */ - pMem++; - - pMem->flags = MEM_Int; - pMem->u.i = pOp->p3; /* P3 */ - pMem++; - - if( sqlite3VdbeMemClearAndResize(pMem, 100) ){ /* P4 */ - assert( p->db->mallocFailed ); - return SQLITE_ERROR; - } - pMem->flags = MEM_Str|MEM_Term; - zP4 = displayP4(pOp, pMem->z, pMem->szMalloc); - if( zP4!=pMem->z ){ - pMem->n = 0; - sqlite3VdbeMemSetStr(pMem, zP4, -1, SQLITE_UTF8, 0); + char *zP4 = sqlite3VdbeDisplayP4(db, pOp); + if( p->explain==2 ){ + sqlite3VdbeMemSetInt64(pMem, pOp->p1); + sqlite3VdbeMemSetInt64(pMem+1, pOp->p2); + sqlite3VdbeMemSetInt64(pMem+2, pOp->p3); + sqlite3VdbeMemSetStr(pMem+3, zP4, -1, SQLITE_UTF8, sqlite3_free); + p->nResColumn = 4; }else{ - assert( pMem->z!=0 ); - pMem->n = sqlite3Strlen30(pMem->z); - pMem->enc = SQLITE_UTF8; - } - pMem++; - - if( p->explain==1 ){ - if( sqlite3VdbeMemClearAndResize(pMem, 4) ){ - assert( p->db->mallocFailed ); - return SQLITE_ERROR; - } - pMem->flags = MEM_Str|MEM_Term; - pMem->n = 2; - sqlite3_snprintf(3, pMem->z, "%.2x", pOp->p5); /* P5 */ - pMem->enc = SQLITE_UTF8; - pMem++; - + sqlite3VdbeMemSetInt64(pMem+0, i); + sqlite3VdbeMemSetStr(pMem+1, (char*)sqlite3OpcodeName(pOp->opcode), + -1, SQLITE_UTF8, SQLITE_STATIC); + sqlite3VdbeMemSetInt64(pMem+2, pOp->p1); + sqlite3VdbeMemSetInt64(pMem+3, pOp->p2); + sqlite3VdbeMemSetInt64(pMem+4, pOp->p3); + /* pMem+5 for p4 is done last */ + sqlite3VdbeMemSetInt64(pMem+6, pOp->p5); #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS - if( sqlite3VdbeMemClearAndResize(pMem, 500) ){ - assert( p->db->mallocFailed ); - return SQLITE_ERROR; + { + char *zCom = sqlite3VdbeDisplayComment(db, pOp, zP4); + sqlite3VdbeMemSetStr(pMem+7, zCom, -1, SQLITE_UTF8, sqlite3_free); } - pMem->flags = MEM_Str|MEM_Term; - pMem->n = displayComment(pOp, zP4, pMem->z, 500); - pMem->enc = SQLITE_UTF8; #else - pMem->flags = MEM_Null; /* Comment */ + sqlite3VdbeMemSetNull(pMem+7); #endif + sqlite3VdbeMemSetStr(pMem+5, zP4, -1, SQLITE_UTF8, sqlite3_free); + p->nResColumn = 8; + } + p->pResultSet = pMem; + if( db->mallocFailed ){ + p->rc = SQLITE_NOMEM; + rc = SQLITE_ERROR; + }else{ + p->rc = SQLITE_OK; + rc = SQLITE_ROW; } - - p->nResColumn = 8 - 4*(p->explain-1); - p->pResultSet = &p->aMem[1]; - p->rc = SQLITE_OK; - rc = SQLITE_ROW; } } return rc; @@ -78721,11 +80065,11 @@ SQLITE_PRIVATE void sqlite3VdbeRewind(Vdbe *p){ ** creating the virtual machine. This involves things such ** as allocating registers and initializing the program counter. ** After the VDBE has be prepped, it can be executed by one or more -** calls to sqlite3VdbeExec(). +** calls to sqlite3VdbeExec(). ** ** This function may be called exactly once on each virtual machine. ** After this routine is called the VM has been "packaged" and is ready -** to run. After this routine is called, further calls to +** to run. After this routine is called, further calls to ** sqlite3VdbeAddOp() functions are prohibited. This routine disconnects ** the Vdbe from the Parse object that helped generate it so that the ** the Vdbe becomes an independent entity and the Parse object can be @@ -78757,7 +80101,7 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( nMem = pParse->nMem; nCursor = pParse->nTab; nArg = pParse->nMaxArg; - + /* Each cursor uses a memory cell. The first cursor (cursor 0) can ** use aMem[0] which is not otherwise used by the VDBE program. Allocate ** space at the end of aMem[] for cursors 1 and greater. @@ -78779,16 +80123,35 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( resolveP2Values(p, &nArg); p->usesStmtJournal = (u8)(pParse->isMultiWrite && pParse->mayAbort); - if( pParse->explain && nMem<10 ){ - nMem = 10; + if( pParse->explain ){ + static const char * const azColName[] = { + "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", + "id", "parent", "notused", "detail" + }; + int iFirst, mx, i; + if( nMem<10 ) nMem = 10; + p->explain = pParse->explain; + if( pParse->explain==2 ){ + sqlite3VdbeSetNumCols(p, 4); + iFirst = 8; + mx = 12; + }else{ + sqlite3VdbeSetNumCols(p, 8); + iFirst = 0; + mx = 8; + } + for(i=iFirst; i<mx; i++){ + sqlite3VdbeSetColName(p, i-iFirst, COLNAME_NAME, + azColName[i], SQLITE_STATIC); + } } p->expired = 0; /* Memory for registers, parameters, cursor, etc, is allocated in one or two - ** passes. On the first pass, we try to reuse unused memory at the + ** passes. On the first pass, we try to reuse unused memory at the ** end of the opcode array. If we are unable to satisfy all memory ** requirements by reusing the opcode array tail, then the second - ** pass will fill in the remainder using a fresh memory allocation. + ** pass will fill in the remainder using a fresh memory allocation. ** ** This two-pass approach that reuses as much memory as possible from ** the leftover memory at the end of the opcode array. This can significantly @@ -78818,7 +80181,6 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( p->pVList = pParse->pVList; pParse->pVList = 0; - p->explain = pParse->explain; if( db->mallocFailed ){ p->nVar = 0; p->nCursor = 0; @@ -78838,7 +80200,7 @@ SQLITE_PRIVATE void sqlite3VdbeMakeReady( } /* -** Close a VDBE cursor and release all the resources that cursor +** Close a VDBE cursor and release all the resources that cursor ** happens to hold. */ SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){ @@ -78920,7 +80282,7 @@ SQLITE_PRIVATE int sqlite3VdbeFrameRestore(VdbeFrame *pFrame){ /* ** Close all cursors. ** -** Also release any dynamic memory held by the VM in the Vdbe.aMem memory +** Also release any dynamic memory held by the VM in the Vdbe.aMem memory ** cell array. This is necessary as the memory cell array may contain ** pointers to VdbeFrame objects, which may in turn contain pointers to ** open cursors. @@ -79006,43 +80368,43 @@ SQLITE_PRIVATE int sqlite3VdbeSetColName( ** A read or write transaction may or may not be active on database handle ** db. If a transaction is active, commit it. If there is a ** write-transaction spanning more than one database file, this routine -** takes care of the master journal trickery. +** takes care of the super-journal trickery. */ static int vdbeCommit(sqlite3 *db, Vdbe *p){ int i; int nTrans = 0; /* Number of databases with an active write-transaction ** that are candidates for a two-phase commit using a - ** master-journal */ + ** super-journal */ int rc = SQLITE_OK; int needXcommit = 0; #ifdef SQLITE_OMIT_VIRTUALTABLE - /* With this option, sqlite3VtabSync() is defined to be simply - ** SQLITE_OK so p is not used. + /* With this option, sqlite3VtabSync() is defined to be simply + ** SQLITE_OK so p is not used. */ UNUSED_PARAMETER(p); #endif /* Before doing anything else, call the xSync() callback for any ** virtual module tables written in this transaction. This has to - ** be done before determining whether a master journal file is + ** be done before determining whether a super-journal file is ** required, as an xSync() callback may add an attached database ** to the transaction. */ rc = sqlite3VtabSync(db, p); /* This loop determines (a) if the commit hook should be invoked and - ** (b) how many database files have open write transactions, not - ** including the temp database. (b) is important because if more than - ** one database file has an open write transaction, a master journal + ** (b) how many database files have open write transactions, not + ** including the temp database. (b) is important because if more than + ** one database file has an open write transaction, a super-journal ** file is required for an atomic commit. - */ - for(i=0; rc==SQLITE_OK && i<db->nDb; i++){ + */ + for(i=0; rc==SQLITE_OK && i<db->nDb; i++){ Btree *pBt = db->aDb[i].pBt; if( sqlite3BtreeIsInTrans(pBt) ){ - /* Whether or not a database might need a master journal depends upon + /* Whether or not a database might need a super-journal depends upon ** its journal mode (among other things). This matrix determines which - ** journal modes use a master journal and which do not */ + ** journal modes use a super-journal and which do not */ static const u8 aMJNeeded[] = { /* DELETE */ 1, /* PERSIST */ 1, @@ -79058,7 +80420,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ if( db->aDb[i].safety_level!=PAGER_SYNCHRONOUS_OFF && aMJNeeded[sqlite3PagerGetJournalMode(pPager)] && sqlite3PagerIsMemdb(pPager)==0 - ){ + ){ assert( i!=1 ); nTrans++; } @@ -79080,11 +80442,11 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ /* The simple case - no more than one database file (not counting the ** TEMP database) has a transaction active. There is no need for the - ** master-journal. + ** super-journal. ** ** If the return value of sqlite3BtreeGetFilename() is a zero length - ** string, it means the main database is :memory: or a temp file. In - ** that case we do not support atomic multi-file commits, so use the + ** string, it means the main database is :memory: or a temp file. In + ** that case we do not support atomic multi-file commits, so use the ** simple case then too. */ if( 0==sqlite3Strlen30(sqlite3BtreeGetFilename(db->aDb[0].pBt)) @@ -79097,7 +80459,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ } } - /* Do the commit only if all databases successfully complete phase 1. + /* Do the commit only if all databases successfully complete phase 1. ** If one of the BtreeCommitPhaseOne() calls fails, this indicates an ** IO error while deleting or truncating a journal file. It is unlikely, ** but could happen. In this case abandon processing and return the error. @@ -79114,61 +80476,62 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ } /* The complex case - There is a multi-file write-transaction active. - ** This requires a master journal file to ensure the transaction is + ** This requires a super-journal file to ensure the transaction is ** committed atomically. */ #ifndef SQLITE_OMIT_DISKIO else{ sqlite3_vfs *pVfs = db->pVfs; - char *zMaster = 0; /* File-name for the master journal */ + char *zSuper = 0; /* File-name for the super-journal */ char const *zMainFile = sqlite3BtreeGetFilename(db->aDb[0].pBt); - sqlite3_file *pMaster = 0; + sqlite3_file *pSuperJrnl = 0; i64 offset = 0; int res; int retryCount = 0; int nMainFile; - /* Select a master journal file name */ + /* Select a super-journal file name */ nMainFile = sqlite3Strlen30(zMainFile); - zMaster = sqlite3MPrintf(db, "%s-mjXXXXXX9XXz", zMainFile); - if( zMaster==0 ) return SQLITE_NOMEM_BKPT; + zSuper = sqlite3MPrintf(db, "%.4c%s%.16c", 0,zMainFile,0); + if( zSuper==0 ) return SQLITE_NOMEM_BKPT; + zSuper += 4; do { u32 iRandom; if( retryCount ){ if( retryCount>100 ){ - sqlite3_log(SQLITE_FULL, "MJ delete: %s", zMaster); - sqlite3OsDelete(pVfs, zMaster, 0); + sqlite3_log(SQLITE_FULL, "MJ delete: %s", zSuper); + sqlite3OsDelete(pVfs, zSuper, 0); break; }else if( retryCount==1 ){ - sqlite3_log(SQLITE_FULL, "MJ collide: %s", zMaster); + sqlite3_log(SQLITE_FULL, "MJ collide: %s", zSuper); } } retryCount++; sqlite3_randomness(sizeof(iRandom), &iRandom); - sqlite3_snprintf(13, &zMaster[nMainFile], "-mj%06X9%02X", + sqlite3_snprintf(13, &zSuper[nMainFile], "-mj%06X9%02X", (iRandom>>8)&0xffffff, iRandom&0xff); - /* The antipenultimate character of the master journal name must + /* The antipenultimate character of the super-journal name must ** be "9" to avoid name collisions when using 8+3 filenames. */ - assert( zMaster[sqlite3Strlen30(zMaster)-3]=='9' ); - sqlite3FileSuffix3(zMainFile, zMaster); - rc = sqlite3OsAccess(pVfs, zMaster, SQLITE_ACCESS_EXISTS, &res); + assert( zSuper[sqlite3Strlen30(zSuper)-3]=='9' ); + sqlite3FileSuffix3(zMainFile, zSuper); + rc = sqlite3OsAccess(pVfs, zSuper, SQLITE_ACCESS_EXISTS, &res); }while( rc==SQLITE_OK && res ); if( rc==SQLITE_OK ){ - /* Open the master journal. */ - rc = sqlite3OsOpenMalloc(pVfs, zMaster, &pMaster, + /* Open the super-journal. */ + rc = sqlite3OsOpenMalloc(pVfs, zSuper, &pSuperJrnl, SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE| - SQLITE_OPEN_EXCLUSIVE|SQLITE_OPEN_MASTER_JOURNAL, 0 + SQLITE_OPEN_EXCLUSIVE|SQLITE_OPEN_SUPER_JOURNAL, 0 ); } if( rc!=SQLITE_OK ){ - sqlite3DbFree(db, zMaster); + sqlite3DbFree(db, zSuper-4); return rc; } - + /* Write the name of each database file in the transaction into the new - ** master journal file. If an error occurs at this point close - ** and delete the master journal file. All the individual journal files - ** still have 'null' as the master journal pointer, so they will roll + ** super-journal file. If an error occurs at this point close + ** and delete the super-journal file. All the individual journal files + ** still have 'null' as the super-journal pointer, so they will roll ** back independently if a failure occurs. */ for(i=0; i<db->nDb; i++){ @@ -79179,59 +80542,59 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ continue; /* Ignore TEMP and :memory: databases */ } assert( zFile[0]!=0 ); - rc = sqlite3OsWrite(pMaster, zFile, sqlite3Strlen30(zFile)+1, offset); + rc = sqlite3OsWrite(pSuperJrnl, zFile, sqlite3Strlen30(zFile)+1,offset); offset += sqlite3Strlen30(zFile)+1; if( rc!=SQLITE_OK ){ - sqlite3OsCloseFree(pMaster); - sqlite3OsDelete(pVfs, zMaster, 0); - sqlite3DbFree(db, zMaster); + sqlite3OsCloseFree(pSuperJrnl); + sqlite3OsDelete(pVfs, zSuper, 0); + sqlite3DbFree(db, zSuper-4); return rc; } } } - /* Sync the master journal file. If the IOCAP_SEQUENTIAL device + /* Sync the super-journal file. If the IOCAP_SEQUENTIAL device ** flag is set this is not required. */ - if( 0==(sqlite3OsDeviceCharacteristics(pMaster)&SQLITE_IOCAP_SEQUENTIAL) - && SQLITE_OK!=(rc = sqlite3OsSync(pMaster, SQLITE_SYNC_NORMAL)) + if( 0==(sqlite3OsDeviceCharacteristics(pSuperJrnl)&SQLITE_IOCAP_SEQUENTIAL) + && SQLITE_OK!=(rc = sqlite3OsSync(pSuperJrnl, SQLITE_SYNC_NORMAL)) ){ - sqlite3OsCloseFree(pMaster); - sqlite3OsDelete(pVfs, zMaster, 0); - sqlite3DbFree(db, zMaster); + sqlite3OsCloseFree(pSuperJrnl); + sqlite3OsDelete(pVfs, zSuper, 0); + sqlite3DbFree(db, zSuper-4); return rc; } /* Sync all the db files involved in the transaction. The same call - ** sets the master journal pointer in each individual journal. If - ** an error occurs here, do not delete the master journal file. + ** sets the super-journal pointer in each individual journal. If + ** an error occurs here, do not delete the super-journal file. ** ** If the error occurs during the first call to ** sqlite3BtreeCommitPhaseOne(), then there is a chance that the - ** master journal file will be orphaned. But we cannot delete it, - ** in case the master journal file name was written into the journal + ** super-journal file will be orphaned. But we cannot delete it, + ** in case the super-journal file name was written into the journal ** file before the failure occurred. */ - for(i=0; rc==SQLITE_OK && i<db->nDb; i++){ + for(i=0; rc==SQLITE_OK && i<db->nDb; i++){ Btree *pBt = db->aDb[i].pBt; if( pBt ){ - rc = sqlite3BtreeCommitPhaseOne(pBt, zMaster); + rc = sqlite3BtreeCommitPhaseOne(pBt, zSuper); } } - sqlite3OsCloseFree(pMaster); + sqlite3OsCloseFree(pSuperJrnl); assert( rc!=SQLITE_BUSY ); if( rc!=SQLITE_OK ){ - sqlite3DbFree(db, zMaster); + sqlite3DbFree(db, zSuper-4); return rc; } - /* Delete the master journal file. This commits the transaction. After + /* Delete the super-journal file. This commits the transaction. After ** doing this the directory is synced again before any individual ** transaction files are deleted. */ - rc = sqlite3OsDelete(pVfs, zMaster, 1); - sqlite3DbFree(db, zMaster); - zMaster = 0; + rc = sqlite3OsDelete(pVfs, zSuper, 1); + sqlite3DbFree(db, zSuper-4); + zSuper = 0; if( rc ){ return rc; } @@ -79245,7 +80608,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ */ disable_simulated_io_errors(); sqlite3BeginBenignMalloc(); - for(i=0; i<db->nDb; i++){ + for(i=0; i<db->nDb; i++){ Btree *pBt = db->aDb[i].pBt; if( pBt ){ sqlite3BtreeCommitPhaseTwo(pBt, 1); @@ -79261,7 +80624,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ return rc; } -/* +/* ** This routine checks that the sqlite3.nVdbeActive count variable ** matches the number of vdbe's in the list sqlite3.pVdbe that are ** currently active. An assertion fails if the two counts do not match. @@ -79297,10 +80660,10 @@ static void checkActiveVdbeCnt(sqlite3 *db){ ** If the Vdbe passed as the first argument opened a statement-transaction, ** close it now. Argument eOp must be either SAVEPOINT_ROLLBACK or ** SAVEPOINT_RELEASE. If it is SAVEPOINT_ROLLBACK, then the statement -** transaction is rolled back. If eOp is SAVEPOINT_RELEASE, then the +** transaction is rolled back. If eOp is SAVEPOINT_RELEASE, then the ** statement transaction is committed. ** -** If an IO error occurs, an SQLITE_IOERR_XXX error code is returned. +** If an IO error occurs, an SQLITE_IOERR_XXX error code is returned. ** Otherwise SQLITE_OK. */ static SQLITE_NOINLINE int vdbeCloseStatement(Vdbe *p, int eOp){ @@ -79313,7 +80676,7 @@ static SQLITE_NOINLINE int vdbeCloseStatement(Vdbe *p, int eOp){ assert( db->nStatement>0 ); assert( p->iStatement==(db->nStatement+db->nSavepoint) ); - for(i=0; i<db->nDb; i++){ + for(i=0; i<db->nDb; i++){ int rc2 = SQLITE_OK; Btree *pBt = db->aDb[i].pBt; if( pBt ){ @@ -79340,8 +80703,8 @@ static SQLITE_NOINLINE int vdbeCloseStatement(Vdbe *p, int eOp){ } } - /* If the statement transaction is being rolled back, also restore the - ** database handles deferred constraint counter to the value it had when + /* If the statement transaction is being rolled back, also restore the + ** database handles deferred constraint counter to the value it had when ** the statement transaction was opened. */ if( eOp==SAVEPOINT_ROLLBACK ){ db->nDeferredCons = p->nStmtDefCons; @@ -79358,20 +80721,20 @@ SQLITE_PRIVATE int sqlite3VdbeCloseStatement(Vdbe *p, int eOp){ /* -** This function is called when a transaction opened by the database -** handle associated with the VM passed as an argument is about to be +** This function is called when a transaction opened by the database +** handle associated with the VM passed as an argument is about to be ** committed. If there are outstanding deferred foreign key constraint ** violations, return SQLITE_ERROR. Otherwise, SQLITE_OK. ** -** If there are outstanding FK violations and this function returns +** If there are outstanding FK violations and this function returns ** SQLITE_ERROR, set the result of the VM to SQLITE_CONSTRAINT_FOREIGNKEY ** and write an error message to it. Then return SQLITE_ERROR. */ #ifndef SQLITE_OMIT_FOREIGN_KEY SQLITE_PRIVATE int sqlite3VdbeCheckFk(Vdbe *p, int deferred){ sqlite3 *db = p->db; - if( (deferred && (db->nDeferredCons+db->nDeferredImmCons)>0) - || (!deferred && p->nFkConstraint>0) + if( (deferred && (db->nDeferredCons+db->nDeferredImmCons)>0) + || (!deferred && p->nFkConstraint>0) ){ p->rc = SQLITE_CONSTRAINT_FOREIGNKEY; p->errorAction = OE_Abort; @@ -79401,7 +80764,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ /* This function contains the logic that determines if a statement or ** transaction will be committed or rolled back as a result of the - ** execution of this virtual machine. + ** execution of this virtual machine. ** ** If any of the following errors occur: ** @@ -79439,16 +80802,16 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ isSpecialError = mrc==SQLITE_NOMEM || mrc==SQLITE_IOERR || mrc==SQLITE_INTERRUPT || mrc==SQLITE_FULL; if( isSpecialError ){ - /* If the query was read-only and the error code is SQLITE_INTERRUPT, - ** no rollback is necessary. Otherwise, at least a savepoint - ** transaction must be rolled back to restore the database to a + /* If the query was read-only and the error code is SQLITE_INTERRUPT, + ** no rollback is necessary. Otherwise, at least a savepoint + ** transaction must be rolled back to restore the database to a ** consistent state. ** ** Even if the statement is read-only, it is important to perform - ** a statement or transaction rollback operation. If the error + ** a statement or transaction rollback operation. If the error ** occurred while writing to the journal, sub-journal or database ** file as part of an effort to free up cache space (see function - ** pagerStress() in pager.c), the rollback is required to restore + ** pagerStress() in pager.c), the rollback is required to restore ** the pager to a consistent state. */ if( !p->readOnly || mrc!=SQLITE_INTERRUPT ){ @@ -79470,16 +80833,16 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ if( p->rc==SQLITE_OK || (p->errorAction==OE_Fail && !isSpecialError) ){ sqlite3VdbeCheckFk(p, 0); } - - /* If the auto-commit flag is set and this is the only active writer - ** VM, then we do either a commit or rollback of the current transaction. + + /* If the auto-commit flag is set and this is the only active writer + ** VM, then we do either a commit or rollback of the current transaction. ** - ** Note: This block also runs if one of the special errors handled - ** above has occurred. + ** Note: This block also runs if one of the special errors handled + ** above has occurred. */ - if( !sqlite3VtabInSync(db) - && db->autoCommit - && db->nVdbeWrite==(p->readOnly==0) + if( !sqlite3VtabInSync(db) + && db->autoCommit + && db->nVdbeWrite==(p->readOnly==0) ){ if( p->rc==SQLITE_OK || (p->errorAction==OE_Fail && !isSpecialError) ){ rc = sqlite3VdbeCheckFk(p, 1); @@ -79489,10 +80852,10 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ return SQLITE_ERROR; } rc = SQLITE_CONSTRAINT_FOREIGNKEY; - }else{ - /* The auto-commit flag is true, the vdbe program was successful + }else{ + /* The auto-commit flag is true, the vdbe program was successful ** or hit an 'OR FAIL' constraint and there are no deferred foreign - ** key constraints to hold up the transaction. This means a commit + ** key constraints to hold up the transaction. This means a commit ** is required. */ rc = vdbeCommit(db, p); } @@ -79526,7 +80889,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ p->nChange = 0; } } - + /* If eStatementOp is non-zero, then a statement transaction needs to ** be committed or rolled back. Call sqlite3VdbeCloseStatement() to ** do so. If this operation returns an error, and the current statement @@ -79547,9 +80910,9 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ p->nChange = 0; } } - + /* If this was an INSERT, UPDATE or DELETE and no statement transaction - ** has been rolled back, update the database connection change-counter. + ** has been rolled back, update the database connection change-counter. */ if( p->changeCntOn ){ if( eStatementOp!=SAVEPOINT_ROLLBACK ){ @@ -79580,7 +80943,7 @@ SQLITE_PRIVATE int sqlite3VdbeHalt(Vdbe *p){ } /* If the auto-commit flag is set to true, then any locks that were held - ** by connection db have now been released. Call sqlite3ConnectionUnlocked() + ** by connection db have now been released. Call sqlite3ConnectionUnlocked() ** to invoke any required unlock-notify callbacks. */ if( db->autoCommit ){ @@ -79602,7 +80965,7 @@ SQLITE_PRIVATE void sqlite3VdbeResetStepResult(Vdbe *p){ /* ** Copy the error code and error message belonging to the VDBE passed -** as the first argument to its database handle (so that they will be +** as the first argument to its database handle (so that they will be ** returned by calls to sqlite3_errcode() and sqlite3_errmsg()). ** ** This function does not clear the VDBE error code or message, just @@ -79627,7 +80990,7 @@ SQLITE_PRIVATE int sqlite3VdbeTransferError(Vdbe *p){ #ifdef SQLITE_ENABLE_SQLLOG /* -** If an SQLITE_CONFIG_SQLLOG hook is registered and the VM has been run, +** If an SQLITE_CONFIG_SQLLOG hook is registered and the VM has been run, ** invoke it. */ static void vdbeInvokeSqllog(Vdbe *v){ @@ -79678,7 +81041,11 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ */ if( p->pc>=0 ){ vdbeInvokeSqllog(p); - sqlite3VdbeTransferError(p); + if( db->pErr || p->zErrMsg ){ + sqlite3VdbeTransferError(p); + }else{ + db->errCode = p->rc; + } if( p->runOnlyOnce ) p->expired = 1; }else if( p->rc && p->expired ){ /* The expired flag was set on the VDBE before the first call @@ -79691,15 +81058,17 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ /* Reset register contents and reclaim error message memory. */ #ifdef SQLITE_DEBUG - /* Execute assert() statements to ensure that the Vdbe.apCsr[] and + /* Execute assert() statements to ensure that the Vdbe.apCsr[] and ** Vdbe.aMem[] arrays have already been cleaned up. */ if( p->apCsr ) for(i=0; i<p->nCursor; i++) assert( p->apCsr[i]==0 ); if( p->aMem ){ for(i=0; i<p->nMem; i++) assert( p->aMem[i].flags==MEM_Undefined ); } #endif - sqlite3DbFree(db, p->zErrMsg); - p->zErrMsg = 0; + if( p->zErrMsg ){ + sqlite3DbFree(db, p->zErrMsg); + p->zErrMsg = 0; + } p->pResultSet = 0; #ifdef SQLITE_DEBUG p->nWrite = 0; @@ -79743,7 +81112,7 @@ SQLITE_PRIVATE int sqlite3VdbeReset(Vdbe *p){ p->magic = VDBE_MAGIC_RESET; return p->rc & db->errMask; } - + /* ** Clean up and delete a VDBE after execution. Return an integer which is ** the result code. Write any error message text into *pzErrMsg. @@ -79764,8 +81133,8 @@ SQLITE_PRIVATE int sqlite3VdbeFinalize(Vdbe *p){ ** the first argument. ** ** Or, if iOp is greater than or equal to zero, then the destructor is -** only invoked for those auxiliary data pointers created by the user -** function invoked by the OP_Function opcode at instruction iOp of +** only invoked for those auxiliary data pointers created by the user +** function invoked by the OP_Function opcode at instruction iOp of ** VM pVdbe, and only then if: ** ** * the associated function parameter is the 32nd or later (counting @@ -79869,7 +81238,7 @@ SQLITE_PRIVATE void sqlite3VdbeDelete(Vdbe *p){ ** carried out. Seek the cursor now. If an error occurs, return ** the appropriate error code. */ -static int SQLITE_NOINLINE handleDeferredMoveto(VdbeCursor *p){ +SQLITE_PRIVATE int SQLITE_NOINLINE sqlite3VdbeFinishMoveto(VdbeCursor *p){ int res, rc; #ifdef SQLITE_TEST extern int sqlite3_search_count; @@ -79931,17 +81300,17 @@ SQLITE_PRIVATE int sqlite3VdbeCursorRestore(VdbeCursor *p){ ** If the cursor is already pointing to the correct row and that row has ** not been deleted out from under the cursor, then this routine is a no-op. */ -SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor **pp, int *piCol){ +SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor **pp, u32 *piCol){ VdbeCursor *p = *pp; assert( p->eCurType==CURTYPE_BTREE || p->eCurType==CURTYPE_PSEUDO ); if( p->deferredMoveto ){ - int iMap; - if( p->aAltMap && (iMap = p->aAltMap[1+*piCol])>0 ){ + u32 iMap; + if( p->aAltMap && (iMap = p->aAltMap[1+*piCol])>0 && !p->nullRow ){ *pp = p->pAltCursor; *piCol = iMap - 1; return SQLITE_OK; } - return handleDeferredMoveto(p); + return sqlite3VdbeFinishMoveto(p); } if( sqlite3BtreeCursorHasMoved(p->uc.pCursor) ){ return handleMovedCursor(p); @@ -80068,7 +81437,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialType(Mem *pMem, int file_format, u32 *pLen){ ** The sizes for serial types less than 128 */ static const u8 sqlite3SmallTypeSizes[] = { - /* 0 1 2 3 4 5 6 7 8 9 */ + /* 0 1 2 3 4 5 6 7 8 9 */ /* 0 */ 0, 1, 2, 3, 4, 6, 8, 8, 0, 0, /* 10 */ 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, /* 20 */ 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, @@ -80091,19 +81460,19 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialTypeLen(u32 serial_type){ if( serial_type>=128 ){ return (serial_type-12)/2; }else{ - assert( serial_type<12 + assert( serial_type<12 || sqlite3SmallTypeSizes[serial_type]==(serial_type - 12)/2 ); return sqlite3SmallTypeSizes[serial_type]; } } SQLITE_PRIVATE u8 sqlite3VdbeOneByteSerialTypeLen(u8 serial_type){ assert( serial_type<128 ); - return sqlite3SmallTypeSizes[serial_type]; + return sqlite3SmallTypeSizes[serial_type]; } /* -** If we are on an architecture with mixed-endian floating -** points (ex: ARM7) then swap the lower 4 bytes with the +** If we are on an architecture with mixed-endian floating +** points (ex: ARM7) then swap the lower 4 bytes with the ** upper 4 bytes. Return the result. ** ** For most architectures, this is a no-op. @@ -80125,7 +81494,7 @@ SQLITE_PRIVATE u8 sqlite3VdbeOneByteSerialTypeLen(u8 serial_type){ ** (2007-08-30) Frank van Vugt has studied this problem closely ** and has send his findings to the SQLite developers. Frank ** writes that some Linux kernels offer floating point hardware -** emulation that uses only 32-bit mantissas instead of a full +** emulation that uses only 32-bit mantissas instead of a full ** 48-bits as required by the IEEE standard. (This is the ** CONFIG_FPE_FASTFPE option.) On such systems, floating point ** byte swapping becomes very complicated. To avoid problems, @@ -80155,7 +81524,7 @@ static u64 floatSwap(u64 in){ #endif /* -** Write the serialized data blob for the value stored in pMem into +** Write the serialized data blob for the value stored in pMem into ** buf. It is assumed that the caller has allocated sufficient space. ** Return the number of bytes written. ** @@ -80166,7 +81535,7 @@ static u64 floatSwap(u64 in){ ** Return the number of bytes actually written into buf[]. The number ** of bytes in the zero-filled tail is included in the return value only ** if those bytes were zeroed in buf[]. -*/ +*/ SQLITE_PRIVATE u32 sqlite3VdbeSerialPut(u8 *buf, Mem *pMem, u32 serial_type){ u32 len; @@ -80220,7 +81589,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialPut(u8 *buf, Mem *pMem, u32 serial_type){ ** The few cases that require local variables are broken out into a separate ** routine so that in most cases the overhead of moving the stack pointer ** is avoided. -*/ +*/ static u32 serialGet( const unsigned char *buf, /* Buffer to deserialize from */ u32 serial_type, /* Serial type to deserialize */ @@ -80304,7 +81673,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( /* EVIDENCE-OF: R-01849-26079 Value is a big-endian 32-bit ** twos-complement integer. */ pMem->u.i = FOUR_BYTE_INT(buf); -#ifdef __HP_cc +#ifdef __HP_cc /* Work around a sign-extension bug in the HP compiler for HP/UX */ if( buf[0]&0x80 ) pMem->u.i |= 0xffffffff80000000LL; #endif @@ -80356,7 +81725,7 @@ SQLITE_PRIVATE u32 sqlite3VdbeSerialGet( ** The space is either allocated using sqlite3DbMallocRaw() or from within ** the unaligned buffer passed via the second and third arguments (presumably ** stack space). If the former, then *ppFree is set to a pointer that should -** be eventually freed by the caller using sqlite3DbFree(). Or, if the +** be eventually freed by the caller using sqlite3DbFree(). Or, if the ** allocation comes from the pSpace/szSpace buffer, *ppFree is set to NULL ** before returning. ** @@ -80378,10 +81747,10 @@ SQLITE_PRIVATE UnpackedRecord *sqlite3VdbeAllocUnpackedRecord( } /* -** Given the nKey-byte encoding of a record in pKey[], populate the +** Given the nKey-byte encoding of a record in pKey[], populate the ** UnpackedRecord structure indicated by the fourth argument with the ** contents of the decoded record. -*/ +*/ SQLITE_PRIVATE void sqlite3VdbeRecordUnpack( KeyInfo *pKeyInfo, /* Information about the record format */ int nKey, /* Size of the binary record */ @@ -80389,7 +81758,7 @@ SQLITE_PRIVATE void sqlite3VdbeRecordUnpack( UnpackedRecord *p /* Populate this structure before returning. */ ){ const unsigned char *aKey = (const unsigned char *)pKey; - u32 d; + u32 d; u32 idx; /* Offset in aKey[] to read from */ u16 u; /* Unsigned loop counter */ u32 szHdr; @@ -80415,7 +81784,7 @@ SQLITE_PRIVATE void sqlite3VdbeRecordUnpack( } if( d>(u32)nKey && u ){ assert( CORRUPT_DB ); - /* In a corrupt record entry, the last pMem might have been set up using + /* In a corrupt record entry, the last pMem might have been set up using ** uninitialized memory. Overwrite its value with NULL, to prevent ** warnings from MSAN. */ sqlite3VdbeMemSetNull(pMem-1); @@ -80459,13 +81828,13 @@ static int vdbeRecordCompareDebug( /* Compilers may complain that mem1.u.i is potentially uninitialized. ** We could initialize it, as shown here, to silence those complaints. - ** But in fact, mem1.u.i will never actually be used uninitialized, and doing + ** But in fact, mem1.u.i will never actually be used uninitialized, and doing ** the unnecessary initialization has a measurable negative performance ** impact, since this routine is a very high runner. And so, we choose ** to ignore the compiler warnings and leave this variable uninitialized. */ /* mem1.u.i = 0; // not needed, here to silence compiler warning */ - + idx1 = getVarint32(aKey1, szHdr1); if( szHdr1>98307 ) return SQLITE_CORRUPT; d1 = szHdr1; @@ -80486,7 +81855,7 @@ static int vdbeRecordCompareDebug( ** sqlite3VdbeSerialTypeLen() in the common case. */ if( d1+(u64)serial_type1+2>(u64)nKey1 - && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)>(u64)nKey1 + && d1+(u64)sqlite3VdbeSerialTypeLen(serial_type1)>(u64)nKey1 ){ break; } @@ -80502,7 +81871,7 @@ static int vdbeRecordCompareDebug( if( rc!=0 ){ assert( mem1.szMalloc==0 ); /* See comment below */ if( (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_BIGNULL) - && ((mem1.flags & MEM_Null) || (pPKey2->aMem[i].flags & MEM_Null)) + && ((mem1.flags & MEM_Null) || (pPKey2->aMem[i].flags & MEM_Null)) ){ rc = -rc; } @@ -80548,7 +81917,7 @@ debugCompareEnd: ** incorrectly. */ static void vdbeAssertFieldCountWithinLimits( - int nKey, const void *pKey, /* The record to verify */ + int nKey, const void *pKey, /* The record to verify */ const KeyInfo *pKeyInfo /* Compare size with this KeyInfo */ ){ int nField = 0; @@ -80574,7 +81943,7 @@ static void vdbeAssertFieldCountWithinLimits( /* ** Both *pMem1 and *pMem2 contain string values. Compare the two values ** using the collation sequence pColl. As usual, return a negative , zero -** or positive value if *pMem1 is less than, equal to or greater than +** or positive value if *pMem1 is less than, equal to or greater than ** *pMem2, respectively. Similar in spirit to "rc = (*pMem1) - (*pMem2);". */ static int vdbeCompareMemString( @@ -80698,7 +82067,7 @@ SQLITE_PRIVATE int sqlite3MemCompare(const Mem *pMem1, const Mem *pMem2, const C f2 = pMem2->flags; combined_flags = f1|f2; assert( !sqlite3VdbeMemIsRowSet(pMem1) && !sqlite3VdbeMemIsRowSet(pMem2) ); - + /* If one value is NULL, it is less than the other. If both values ** are NULL, return 0. */ @@ -80761,7 +82130,7 @@ SQLITE_PRIVATE int sqlite3MemCompare(const Mem *pMem1, const Mem *pMem2, const C } assert( pMem1->enc==pMem2->enc || pMem1->db->mallocFailed ); - assert( pMem1->enc==SQLITE_UTF8 || + assert( pMem1->enc==SQLITE_UTF8 || pMem1->enc==SQLITE_UTF16LE || pMem1->enc==SQLITE_UTF16BE ); /* The collation sequence must be defined at this point, even if @@ -80776,7 +82145,7 @@ SQLITE_PRIVATE int sqlite3MemCompare(const Mem *pMem1, const Mem *pMem2, const C /* If a NULL pointer was passed as the collate function, fall through ** to the blob case and use memcmp(). */ } - + /* Both values must be blobs. Compare using memcmp(). */ return sqlite3BlobCompare(pMem1, pMem2); } @@ -80784,7 +82153,7 @@ SQLITE_PRIVATE int sqlite3MemCompare(const Mem *pMem1, const Mem *pMem2, const C /* ** The first argument passed to this function is a serial-type that -** corresponds to an integer - all values between 1 and 9 inclusive +** corresponds to an integer - all values between 1 and 9 inclusive ** except 7. The second points to a buffer containing an integer value ** serialized according to serial_type. This function deserializes ** and returns the value. @@ -80826,7 +82195,7 @@ static i64 vdbeRecordDecodeInt(u32 serial_type, const u8 *aKey){ /* ** This function compares the two table rows or index records ** specified by {nKey1, pKey1} and pPKey2. It returns a negative, zero -** or positive integer if key1 is less than, equal to or +** or positive integer if key1 is less than, equal to or ** greater than key2. The {nKey1, pKey1} key must be a blob ** created by the OP_MakeRecord opcode of the VDBE. The pPKey2 ** key must be a parsed key such as obtained from @@ -80835,12 +82204,12 @@ static i64 vdbeRecordDecodeInt(u32 serial_type, const u8 *aKey){ ** If argument bSkip is non-zero, it is assumed that the caller has already ** determined that the first fields of the keys are equal. ** -** Key1 and Key2 do not have to contain the same number of fields. If all -** fields that appear in both keys are equal, then pPKey2->default_rc is +** Key1 and Key2 do not have to contain the same number of fields. If all +** fields that appear in both keys are equal, then pPKey2->default_rc is ** returned. ** -** If database corruption is discovered, set pPKey2->errCode to -** SQLITE_CORRUPT and return 0. If an OOM error is encountered, +** If database corruption is discovered, set pPKey2->errCode to +** SQLITE_CORRUPT and return 0. If an OOM error is encountered, ** pPKey2->errCode is set to SQLITE_NOMEM and, if it is not NULL, the ** malloc-failed flag set on database handle (pPKey2->pKeyInfo->db). */ @@ -80874,13 +82243,13 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( d1 = szHdr1; i = 0; } - if( d1>(unsigned)nKey1 ){ + if( d1>(unsigned)nKey1 ){ pPKey2->errCode = (u8)SQLITE_CORRUPT_BKPT; return 0; /* Corruption */ } VVA_ONLY( mem1.szMalloc = 0; ) /* Only needed by assert() statements */ - assert( pPKey2->pKeyInfo->nAllField>=pPKey2->nField + assert( pPKey2->pKeyInfo->nAllField>=pPKey2->nField || CORRUPT_DB ); assert( pPKey2->pKeyInfo->aSortFlags!=0 ); assert( pPKey2->pKeyInfo->nKeyField>0 ); @@ -80917,7 +82286,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( serial_type = aKey1[idx1]; if( serial_type>=10 ){ /* Serial types 12 or greater are strings and blobs (greater than - ** numbers). Types 10 and 11 are currently "reserved for future + ** numbers). Types 10 and 11 are currently "reserved for future ** use", so it doesn't really matter what the results of comparing ** them to numberic values are. */ rc = +1; @@ -80939,7 +82308,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( /* RHS is a string */ else if( pRhs->flags & MEM_Str ){ - getVarint32(&aKey1[idx1], serial_type); + getVarint32NR(&aKey1[idx1], serial_type); testcase( serial_type==12 ); if( serial_type<12 ){ rc = -1; @@ -80965,7 +82334,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( }else{ int nCmp = MIN(mem1.n, pRhs->n); rc = memcmp(&aKey1[d1], pRhs->z, nCmp); - if( rc==0 ) rc = mem1.n - pRhs->n; + if( rc==0 ) rc = mem1.n - pRhs->n; } } } @@ -80973,7 +82342,7 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( /* RHS is a blob */ else if( pRhs->flags & MEM_Blob ){ assert( (pRhs->flags & MEM_Zero)==0 || pRhs->n==0 ); - getVarint32(&aKey1[idx1], serial_type); + getVarint32NR(&aKey1[idx1], serial_type); testcase( serial_type==12 ); if( serial_type<12 || (serial_type & 0x01) ){ rc = -1; @@ -81034,8 +82403,8 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompareWithSkip( /* rc==0 here means that one or both of the keys ran out of fields and ** all the fields up to that point were equal. Return the default_rc ** value. */ - assert( CORRUPT_DB - || vdbeRecordCompareDebug(nKey1, pKey1, pPKey2, pPKey2->default_rc) + assert( CORRUPT_DB + || vdbeRecordCompareDebug(nKey1, pKey1, pPKey2, pPKey2->default_rc) || pPKey2->pKeyInfo->db->mallocFailed ); pPKey2->eqSeen = 1; @@ -81050,8 +82419,8 @@ SQLITE_PRIVATE int sqlite3VdbeRecordCompare( /* -** This function is an optimized version of sqlite3VdbeRecordCompare() -** that (a) the first field of pPKey2 is an integer, and (b) the +** This function is an optimized version of sqlite3VdbeRecordCompare() +** that (a) the first field of pPKey2 is an integer, and (b) the ** size-of-header varint at the start of (pKey1/nKey1) fits in a single ** byte (i.e. is less than 128). ** @@ -81106,7 +82475,7 @@ static int vdbeRecordCompareInt( testcase( lhs<0 ); break; } - case 8: + case 8: lhs = 0; break; case 9: @@ -81114,11 +82483,11 @@ static int vdbeRecordCompareInt( break; /* This case could be removed without changing the results of running - ** this code. Including it causes gcc to generate a faster switch + ** this code. Including it causes gcc to generate a faster switch ** statement (since the range of switch targets now starts at zero and ** is contiguous) but does not cause any duplicate code to be generated - ** (as gcc is clever enough to combine the two like cases). Other - ** compilers might be similar. */ + ** (as gcc is clever enough to combine the two like cases). Other + ** compilers might be similar. */ case 0: case 7: return sqlite3VdbeRecordCompare(nKey1, pKey1, pPKey2); @@ -81132,7 +82501,7 @@ static int vdbeRecordCompareInt( }else if( v<lhs ){ res = pPKey2->r2; }else if( pPKey2->nField>1 ){ - /* The first fields of the two keys are equal. Compare the trailing + /* The first fields of the two keys are equal. Compare the trailing ** fields. */ res = sqlite3VdbeRecordCompareWithSkip(nKey1, pKey1, pPKey2, 1); }else{ @@ -81147,9 +82516,9 @@ static int vdbeRecordCompareInt( } /* -** This function is an optimized version of sqlite3VdbeRecordCompare() +** This function is an optimized version of sqlite3VdbeRecordCompare() ** that (a) the first field of pPKey2 is a string, that (b) the first field -** uses the collation sequence BINARY and (c) that the size-of-header varint +** uses the collation sequence BINARY and (c) that the size-of-header varint ** at the start of (pKey1/nKey1) fits in a single byte. */ static int vdbeRecordCompareString( @@ -81162,10 +82531,13 @@ static int vdbeRecordCompareString( assert( pPKey2->aMem[0].flags & MEM_Str ); vdbeAssertFieldCountWithinLimits(nKey1, pKey1, pPKey2->pKeyInfo); - getVarint32(&aKey1[1], serial_type); + serial_type = (u8)(aKey1[1]); + if( serial_type >= 0x80 ){ + sqlite3GetVarint32(&aKey1[1], (u32*)&serial_type); + } if( serial_type<12 ){ res = pPKey2->r1; /* (pKey1/nKey1) is a number or a null */ - }else if( !(serial_type & 0x01) ){ + }else if( !(serial_type & 0x01) ){ res = pPKey2->r2; /* (pKey1/nKey1) is a blob */ }else{ int nCmp; @@ -81217,7 +82589,7 @@ SQLITE_PRIVATE RecordCompare sqlite3VdbeFindCompare(UnpackedRecord *p){ /* varintRecordCompareInt() and varintRecordCompareString() both assume ** that the size-of-header varint that occurs at the start of each record ** fits in a single byte (i.e. is 127 or less). varintRecordCompareInt() - ** also assumes that it is safe to overread a buffer by at least the + ** also assumes that it is safe to overread a buffer by at least the ** maximum possible legal header size plus 8 bytes. Because there is ** guaranteed to be at least 74 (but not 136) bytes of padding following each ** buffer passed to varintRecordCompareInt() this makes it convenient to @@ -81275,7 +82647,7 @@ SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3 *db, BtCursor *pCur, i64 *rowid){ /* Get the size of the index entry. Only indices entries of less ** than 2GiB are support - anything large must be database corruption. ** Any corruption is detected in sqlite3BtreeParseCellPtr(), though, so - ** this code can safely assume that nCellKey is 32-bits + ** this code can safely assume that nCellKey is 32-bits */ assert( sqlite3BtreeCursorIsValid(pCur) ); nCellKey = sqlite3BtreePayloadSize(pCur); @@ -81283,13 +82655,13 @@ SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3 *db, BtCursor *pCur, i64 *rowid){ /* Read in the complete content of the index entry */ sqlite3VdbeMemInit(&m, db, 0); - rc = sqlite3VdbeMemFromBtree(pCur, 0, (u32)nCellKey, &m); + rc = sqlite3VdbeMemFromBtreeZeroOffset(pCur, (u32)nCellKey, &m); if( rc ){ return rc; } /* The index entry must begin with a header size */ - (void)getVarint32((u8*)m.z, szHdr); + getVarint32NR((u8*)m.z, szHdr); testcase( szHdr==3 ); testcase( szHdr==m.n ); testcase( szHdr>0x7fffffff ); @@ -81300,7 +82672,7 @@ SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3 *db, BtCursor *pCur, i64 *rowid){ /* The last field of the index should be an integer - the ROWID. ** Verify that the last entry really is an integer. */ - (void)getVarint32((u8*)&m.z[szHdr-1], typeRowid); + getVarint32NR((u8*)&m.z[szHdr-1], typeRowid); testcase( typeRowid==1 ); testcase( typeRowid==2 ); testcase( typeRowid==3 ); @@ -81340,7 +82712,7 @@ idx_rowid_corruption: ** ** pUnpacked is either created without a rowid or is truncated so that it ** omits the rowid at the end. The rowid at the end of the index entry -** is ignored as well. Hence, this routine only compares the prefixes +** is ignored as well. Hence, this routine only compares the prefixes ** of the keys prior to the final rowid, not the entire key. */ SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare( @@ -81365,7 +82737,7 @@ SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare( return SQLITE_CORRUPT_BKPT; } sqlite3VdbeMemInit(&m, db, 0); - rc = sqlite3VdbeMemFromBtree(pCur, 0, (u32)nCellKey, &m); + rc = sqlite3VdbeMemFromBtreeZeroOffset(pCur, (u32)nCellKey, &m); if( rc ){ return rc; } @@ -81376,7 +82748,7 @@ SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare( /* ** This routine sets the value to be returned by subsequent calls to -** sqlite3_changes() on the database handle 'db'. +** sqlite3_changes() on the database handle 'db'. */ SQLITE_PRIVATE void sqlite3VdbeSetChanges(sqlite3 *db, int nChange){ assert( sqlite3_mutex_held(db->mutex) ); @@ -81433,7 +82805,7 @@ SQLITE_PRIVATE u8 sqlite3VdbePrepareFlags(Vdbe *v){ /* ** Return a pointer to an sqlite3_value structure containing the value bound -** parameter iVar of VM v. Except, if the value is an SQL NULL, return +** parameter iVar of VM v. Except, if the value is an SQL NULL, return ** 0 instead. Unless it is NULL, apply affinity aff (one of the SQLITE_AFF_* ** constants) to the value before returning it. ** @@ -81481,13 +82853,25 @@ SQLITE_PRIVATE void sqlite3VdbeSetVarmask(Vdbe *v, int iVar){ ** features such as 'now'. */ SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context *pCtx){ + const VdbeOp *pOp; #ifdef SQLITE_ENABLE_STAT4 if( pCtx->pVdbe==0 ) return 1; #endif - if( pCtx->pVdbe->aOp[pCtx->iOp].opcode==OP_PureFunc ){ - sqlite3_result_error(pCtx, - "non-deterministic function in index expression or CHECK constraint", - -1); + pOp = pCtx->pVdbe->aOp + pCtx->iOp; + if( pOp->opcode==OP_PureFunc ){ + const char *zContext; + char *zMsg; + if( pOp->p5 & NC_IsCheck ){ + zContext = "a CHECK constraint"; + }else if( pOp->p5 & NC_GenCol ){ + zContext = "a generated column"; + }else{ + zContext = "an index"; + } + zMsg = sqlite3_mprintf("non-deterministic use of %s() in %s", + pCtx->pFunc->zName, zContext); + sqlite3_result_error(pCtx, zMsg, -1); + sqlite3_free(zMsg); return 0; } return 1; @@ -81513,7 +82897,7 @@ SQLITE_PRIVATE void sqlite3VtabImportErrmsg(Vdbe *p, sqlite3_vtab *pVtab){ #ifdef SQLITE_ENABLE_PREUPDATE_HOOK /* -** If the second argument is not NULL, release any allocations associated +** If the second argument is not NULL, release any allocations associated ** with the memory cells in the p->aMem[] array. Also free the UnpackedRecord ** structure itself, using sqlite3DbFree(). ** @@ -81567,7 +82951,7 @@ SQLITE_PRIVATE void sqlite3VdbePreUpdateHook( } } - assert( pCsr->nField==pTab->nCol + assert( pCsr->nField==pTab->nCol || (pCsr->nField==pTab->nCol+1 && op==SQLITE_DELETE && iReg==-1) ); @@ -81676,7 +83060,7 @@ static SQLITE_NOINLINE void invokeProfileCallback(sqlite3 *db, Vdbe *p){ } #endif if( db->mTrace & SQLITE_TRACE_PROFILE ){ - db->xTrace(SQLITE_TRACE_PROFILE, db->pTraceArg, p, (void*)&iElapse); + db->trace.xV2(SQLITE_TRACE_PROFILE, db->pTraceArg, p, (void*)&iElapse); } p->startTime = 0; } @@ -81958,7 +83342,7 @@ SQLITE_API sqlite3_value *sqlite3_value_dup(const sqlite3_value *pOrig){ SQLITE_API void sqlite3_value_free(sqlite3_value *pOld){ sqlite3ValueFree(pOld); } - + /**************************** sqlite3_result_ ******************************* ** The following routines are used by user-defined functions to specify @@ -81999,9 +83383,9 @@ static int invokeValueDestructor( return SQLITE_TOOBIG; } SQLITE_API void sqlite3_result_blob( - sqlite3_context *pCtx, - const void *z, - int n, + sqlite3_context *pCtx, + const void *z, + int n, void (*xDel)(void *) ){ assert( n>=0 ); @@ -82009,8 +83393,8 @@ SQLITE_API void sqlite3_result_blob( setResultStrOrError(pCtx, z, n, 0, xDel); } SQLITE_API void sqlite3_result_blob64( - sqlite3_context *pCtx, - const void *z, + sqlite3_context *pCtx, + const void *z, sqlite3_uint64 n, void (*xDel)(void *) ){ @@ -82069,8 +83453,8 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context *pCtx, unsigned int eSubt pOut->flags |= MEM_Subtype; } SQLITE_API void sqlite3_result_text( - sqlite3_context *pCtx, - const char *z, + sqlite3_context *pCtx, + const char *z, int n, void (*xDel)(void *) ){ @@ -82078,8 +83462,8 @@ SQLITE_API void sqlite3_result_text( setResultStrOrError(pCtx, z, n, SQLITE_UTF8, xDel); } SQLITE_API void sqlite3_result_text64( - sqlite3_context *pCtx, - const char *z, + sqlite3_context *pCtx, + const char *z, sqlite3_uint64 n, void (*xDel)(void *), unsigned char enc @@ -82095,27 +83479,27 @@ SQLITE_API void sqlite3_result_text64( } #ifndef SQLITE_OMIT_UTF16 SQLITE_API void sqlite3_result_text16( - sqlite3_context *pCtx, - const void *z, - int n, + sqlite3_context *pCtx, + const void *z, + int n, void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); setResultStrOrError(pCtx, z, n, SQLITE_UTF16NATIVE, xDel); } SQLITE_API void sqlite3_result_text16be( - sqlite3_context *pCtx, - const void *z, - int n, + sqlite3_context *pCtx, + const void *z, + int n, void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); setResultStrOrError(pCtx, z, n, SQLITE_UTF16BE, xDel); } SQLITE_API void sqlite3_result_text16le( - sqlite3_context *pCtx, - const void *z, - int n, + sqlite3_context *pCtx, + const void *z, + int n, void (*xDel)(void *) ){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); @@ -82145,7 +83529,7 @@ SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){ if( pCtx->pVdbe ) pCtx->pVdbe->rcApp = errCode; #endif if( pCtx->pOut->flags & MEM_Null ){ - sqlite3VdbeMemSetStr(pCtx->pOut, sqlite3ErrStr(errCode), -1, + sqlite3VdbeMemSetStr(pCtx->pOut, sqlite3ErrStr(errCode), -1, SQLITE_UTF8, SQLITE_STATIC); } } @@ -82154,7 +83538,7 @@ SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){ SQLITE_API void sqlite3_result_error_toobig(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); pCtx->isError = SQLITE_TOOBIG; - sqlite3VdbeMemSetStr(pCtx->pOut, "string or blob too big", -1, + sqlite3VdbeMemSetStr(pCtx->pOut, "string or blob too big", -1, SQLITE_UTF8, SQLITE_STATIC); } @@ -82171,7 +83555,7 @@ SQLITE_API void sqlite3_result_error_nomem(sqlite3_context *pCtx){ ** a MEM_IntReal value. See the SQLITE_TESTCTRL_RESULT_INTREAL ** test-control. */ -SQLITE_PRIVATE void sqlite3ResultIntReal(sqlite3_context *pCtx){ +SQLITE_PRIVATE void sqlite3ResultIntReal(sqlite3_context *pCtx){ assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); if( pCtx->pOut->flags & MEM_Int ){ pCtx->pOut->flags &= ~MEM_Int; @@ -82182,7 +83566,7 @@ SQLITE_PRIVATE void sqlite3ResultIntReal(sqlite3_context *pCtx){ /* -** This function is called after a transaction has been committed. It +** This function is called after a transaction has been committed. It ** invokes callbacks registered with sqlite3_wal_hook() as required. */ static int doWalCallbacks(sqlite3 *db){ @@ -82211,7 +83595,7 @@ static int doWalCallbacks(sqlite3 *db){ ** statement is completely executed or an error occurs. ** ** This routine implements the bulk of the logic behind the sqlite_step() -** API. The only thing omitted is the automatic recompile if a +** API. The only thing omitted is the automatic recompile if a ** schema change has occurred. That detail is handled by the ** outer sqlite3_step() wrapper procedure. */ @@ -82225,15 +83609,15 @@ static int sqlite3Step(Vdbe *p){ ** sqlite3_step() after any error or after SQLITE_DONE. But beginning ** with version 3.7.0, we changed this so that sqlite3_reset() would ** be called automatically instead of throwing the SQLITE_MISUSE error. - ** This "automatic-reset" change is not technically an incompatibility, + ** This "automatic-reset" change is not technically an incompatibility, ** since any application that receives an SQLITE_MISUSE is broken by ** definition. ** ** Nevertheless, some published applications that were originally written - ** for version 3.6.23 or earlier do in fact depend on SQLITE_MISUSE + ** for version 3.6.23 or earlier do in fact depend on SQLITE_MISUSE ** returns, and those were broken by the automatic-reset change. As a ** a work-around, the SQLITE_OMIT_AUTORESET compile-time restores the - ** legacy behavior of returning SQLITE_MISUSE for cases where the + ** legacy behavior of returning SQLITE_MISUSE for cases where the ** previous sqlite3_step() returned something other than a SQLITE_LOCKED ** or SQLITE_BUSY error. */ @@ -82258,6 +83642,13 @@ static int sqlite3Step(Vdbe *p){ if( p->pc<0 && p->expired ){ p->rc = SQLITE_SCHEMA; rc = SQLITE_ERROR; + if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 ){ + /* If this statement was prepared using saved SQL and an + ** error has occurred, then return the error code in p->rc to the + ** caller. Set the error code in the database handle to the same value. + */ + rc = sqlite3VdbeTransferError(p); + } goto end_of_step; } if( p->pc<0 ){ @@ -82266,10 +83657,10 @@ static int sqlite3Step(Vdbe *p){ ** from interrupting a statement that has not yet started. */ if( db->nVdbeActive==0 ){ - db->u1.isInterrupted = 0; + AtomicStore(&db->u1.isInterrupted, 0); } - assert( db->nVdbeWrite>0 || db->autoCommit==0 + assert( db->nVdbeWrite>0 || db->autoCommit==0 || (db->nDeferredCons==0 && db->nDeferredImmCons==0) ); @@ -82313,35 +83704,27 @@ static int sqlite3Step(Vdbe *p){ if( p->rc!=SQLITE_OK ){ rc = SQLITE_ERROR; } + }else if( rc!=SQLITE_DONE && (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 ){ + /* If this statement was prepared using saved SQL and an + ** error has occurred, then return the error code in p->rc to the + ** caller. Set the error code in the database handle to the same value. + */ + rc = sqlite3VdbeTransferError(p); } } db->errCode = rc; if( SQLITE_NOMEM==sqlite3ApiExit(p->db, p->rc) ){ p->rc = SQLITE_NOMEM_BKPT; + if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 ) rc = p->rc; } end_of_step: - /* At this point local variable rc holds the value that should be - ** returned if this statement was compiled using the legacy - ** sqlite3_prepare() interface. According to the docs, this can only - ** be one of the values in the first assert() below. Variable p->rc - ** contains the value that would be returned if sqlite3_finalize() - ** were called on statement p. - */ - assert( rc==SQLITE_ROW || rc==SQLITE_DONE || rc==SQLITE_ERROR + /* There are only a limited number of result codes allowed from the + ** statements prepared using the legacy sqlite3_prepare() interface */ + assert( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 + || rc==SQLITE_ROW || rc==SQLITE_DONE || rc==SQLITE_ERROR || (rc&0xff)==SQLITE_BUSY || rc==SQLITE_MISUSE ); - assert( (p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE) || p->rc==p->rcApp ); - if( rc!=SQLITE_ROW - && rc!=SQLITE_DONE - && (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0 - ){ - /* If this statement was prepared using saved SQL and an - ** error has occurred, then return the error code in p->rc to the - ** caller. Set the error code in the database handle to the same value. - */ - rc = sqlite3VdbeTransferError(p); - } return (rc&db->errMask); } @@ -82367,15 +83750,15 @@ SQLITE_API int sqlite3_step(sqlite3_stmt *pStmt){ int savedPc = v->pc; rc = sqlite3Reprepare(v); if( rc!=SQLITE_OK ){ - /* This case occurs after failing to recompile an sql statement. - ** The error message from the SQL compiler has already been loaded - ** into the database handle. This block copies the error message + /* This case occurs after failing to recompile an sql statement. + ** The error message from the SQL compiler has already been loaded + ** into the database handle. This block copies the error message ** from the database handle into the statement and sets the statement - ** program counter to 0 to ensure that when the statement is + ** program counter to 0 to ensure that when the statement is ** finalized or reset the parser error message is available via ** sqlite3_errmsg() and sqlite3_errcode(). */ - const char *zErr = (const char *)sqlite3_value_text(db->pErr); + const char *zErr = (const char *)sqlite3_value_text(db->pErr); sqlite3DbFree(db, v->zErrMsg); if( !db->mallocFailed ){ v->zErrMsg = sqlite3DbStrDup(db, zErr); @@ -82537,9 +83920,9 @@ SQLITE_API void *sqlite3_get_auxdata(sqlite3_context *pCtx, int iArg){ ** access code. */ SQLITE_API void sqlite3_set_auxdata( - sqlite3_context *pCtx, - int iArg, - void *pAux, + sqlite3_context *pCtx, + int iArg, + void *pAux, void (*xDelete)(void*) ){ AuxData *pAuxData; @@ -82581,7 +83964,7 @@ failed: #ifndef SQLITE_OMIT_DEPRECATED /* -** Return the number of times the Step function of an aggregate has been +** Return the number of times the Step function of an aggregate has been ** called. ** ** This function is deprecated. Do not use it for new code. It is @@ -82626,9 +84009,9 @@ static const Mem *columnNullValue(void){ ** these assert()s from failing, when building with SQLITE_DEBUG defined ** using gcc, we force nullMem to be 8-byte aligned using the magical ** __attribute__((aligned(8))) macro. */ - static const Mem nullMem + static const Mem nullMem #if defined(SQLITE_DEBUG) && defined(__GNUC__) - __attribute__((aligned(8))) + __attribute__((aligned(8))) #endif = { /* .u = */ {0}, @@ -82674,9 +84057,9 @@ static Mem *columnMem(sqlite3_stmt *pStmt, int i){ } /* -** This function is called after invoking an sqlite3_value_XXX function on a +** This function is called after invoking an sqlite3_value_XXX function on a ** column value (i.e. a value returned by evaluating an SQL expression in the -** select list of a SELECT statement) that may cause a malloc() failure. If +** select list of a SELECT statement) that may cause a malloc() failure. If ** malloc() has failed, the threads mallocFailed flag is cleared and the result ** code of statement pStmt set to SQLITE_NOMEM. ** @@ -82715,8 +84098,8 @@ SQLITE_API const void *sqlite3_column_blob(sqlite3_stmt *pStmt, int i){ const void *val; val = sqlite3_value_blob( columnMem(pStmt,i) ); /* Even though there is no encoding conversion, value_blob() might - ** need to call malloc() to expand the result of a zeroblob() - ** expression. + ** need to call malloc() to expand the result of a zeroblob() + ** expression. */ columnMallocFailure(pStmt); return val; @@ -82917,11 +84300,11 @@ SQLITE_API const void *sqlite3_column_origin_name16(sqlite3_stmt *pStmt, int N){ /******************************* sqlite3_bind_ *************************** -** +** ** Routines used to attach values to wildcards in a compiled SQL statement. */ /* -** Unbind the value bound to variable i in virtual machine p. This is the +** Unbind the value bound to variable i in virtual machine p. This is the ** the same as binding a NULL value to the column. If the "i" parameter is ** out of range, then SQLITE_RANGE is returned. Othewise SQLITE_OK. ** @@ -82940,7 +84323,7 @@ static int vdbeUnbind(Vdbe *p, int i){ if( p->magic!=VDBE_MAGIC_RUN || p->pc>=0 ){ sqlite3Error(p->db, SQLITE_MISUSE); sqlite3_mutex_leave(p->db->mutex); - sqlite3_log(SQLITE_MISUSE, + sqlite3_log(SQLITE_MISUSE, "bind on a busy prepared statement: [%s]", p->zSql); return SQLITE_MISUSE_BKPT; } @@ -82955,10 +84338,10 @@ static int vdbeUnbind(Vdbe *p, int i){ pVar->flags = MEM_Null; p->db->errCode = SQLITE_OK; - /* If the bit corresponding to this variable in Vdbe.expmask is set, then + /* If the bit corresponding to this variable in Vdbe.expmask is set, then ** binding a new value to this variable invalidates the current query plan. ** - ** IMPLEMENTATION-OF: R-48440-37595 If the specific value bound to host + ** IMPLEMENTATION-OF: R-57496-20354 If the specific value bound to a host ** parameter in the WHERE clause might influence the choice of query plan ** for a statement, then the statement will be automatically recompiled, ** as if there had been a schema change, on the first sqlite3_step() call @@ -83011,10 +84394,10 @@ static int bindText( ** Bind a blob value to an SQL statement variable. */ SQLITE_API int sqlite3_bind_blob( - sqlite3_stmt *pStmt, - int i, - const void *zData, - int nData, + sqlite3_stmt *pStmt, + int i, + const void *zData, + int nData, void (*xDel)(void*) ){ #ifdef SQLITE_ENABLE_API_ARMOR @@ -83023,10 +84406,10 @@ SQLITE_API int sqlite3_bind_blob( return bindText(pStmt, i, zData, nData, xDel, 0); } SQLITE_API int sqlite3_bind_blob64( - sqlite3_stmt *pStmt, - int i, - const void *zData, - sqlite3_uint64 nData, + sqlite3_stmt *pStmt, + int i, + const void *zData, + sqlite3_uint64 nData, void (*xDel)(void*) ){ assert( xDel!=SQLITE_DYNAMIC ); @@ -83086,20 +84469,20 @@ SQLITE_API int sqlite3_bind_pointer( } return rc; } -SQLITE_API int sqlite3_bind_text( - sqlite3_stmt *pStmt, - int i, - const char *zData, - int nData, +SQLITE_API int sqlite3_bind_text( + sqlite3_stmt *pStmt, + int i, + const char *zData, + int nData, void (*xDel)(void*) ){ return bindText(pStmt, i, zData, nData, xDel, SQLITE_UTF8); } -SQLITE_API int sqlite3_bind_text64( - sqlite3_stmt *pStmt, - int i, - const char *zData, - sqlite3_uint64 nData, +SQLITE_API int sqlite3_bind_text64( + sqlite3_stmt *pStmt, + int i, + const char *zData, + sqlite3_uint64 nData, void (*xDel)(void*), unsigned char enc ){ @@ -83113,10 +84496,10 @@ SQLITE_API int sqlite3_bind_text64( } #ifndef SQLITE_OMIT_UTF16 SQLITE_API int sqlite3_bind_text16( - sqlite3_stmt *pStmt, - int i, - const void *zData, - int nData, + sqlite3_stmt *pStmt, + int i, + const void *zData, + int nData, void (*xDel)(void*) ){ return bindText(pStmt, i, zData, nData, xDel, SQLITE_UTF16NATIVE); @@ -83180,7 +84563,7 @@ SQLITE_API int sqlite3_bind_zeroblob64(sqlite3_stmt *pStmt, int i, sqlite3_uint6 /* ** Return the number of wildcards that can be potentially bound to. -** This routine is added to support DBD::SQLite. +** This routine is added to support DBD::SQLite. */ SQLITE_API int sqlite3_bind_parameter_count(sqlite3_stmt *pStmt){ Vdbe *p = (Vdbe*)pStmt; @@ -83325,7 +84708,7 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt *pStmt, int op, int resetFlag){ Vdbe *pVdbe = (Vdbe*)pStmt; u32 v; #ifdef SQLITE_ENABLE_API_ARMOR - if( !pStmt + if( !pStmt || (op!=SQLITE_STMTSTATUS_MEMUSED && (op<0||op>=ArraySize(pVdbe->aCounter))) ){ (void)SQLITE_MISUSE_BKPT; @@ -83404,8 +84787,8 @@ SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt){ ** if successful, or a NULL pointer if an OOM error is encountered. */ static UnpackedRecord *vdbeUnpackRecord( - KeyInfo *pKeyInfo, - int nKey, + KeyInfo *pKeyInfo, + int nKey, const void *pKey ){ UnpackedRecord *pRet; /* Return value */ @@ -83434,7 +84817,7 @@ SQLITE_API int sqlite3_preupdate_old(sqlite3 *db, int iIdx, sqlite3_value **ppVa goto preupdate_old_out; } if( p->pPk ){ - iIdx = sqlite3ColumnOfIndex(p->pPk, iIdx); + iIdx = sqlite3TableColumnToIndex(p->pPk, iIdx); } if( iIdx>=p->pCsr->nField || iIdx<0 ){ rc = SQLITE_RANGE; @@ -83497,7 +84880,7 @@ SQLITE_API int sqlite3_preupdate_count(sqlite3 *db){ ** only. It returns zero if the change that caused the callback was made ** immediately by a user SQL statement. Or, if the change was made by a ** trigger program, it returns the number of trigger programs currently -** on the stack (1 for a top-level trigger, 2 for a trigger fired by a +** on the stack (1 for a top-level trigger, 2 for a trigger fired by a ** top-level trigger etc.). ** ** For the purposes of the previous paragraph, a foreign key CASCADE, SET NULL @@ -83524,7 +84907,7 @@ SQLITE_API int sqlite3_preupdate_new(sqlite3 *db, int iIdx, sqlite3_value **ppVa goto preupdate_new_out; } if( p->pPk && p->op!=SQLITE_UPDATE ){ - iIdx = sqlite3ColumnOfIndex(p->pPk, iIdx); + iIdx = sqlite3TableColumnToIndex(p->pPk, iIdx); } if( iIdx>=p->pCsr->nField || iIdx<0 ){ rc = SQLITE_RANGE; @@ -83706,8 +85089,8 @@ static int findNextHostParameter(const char *zSql, int *pnToken){ /* ** This function returns a pointer to a nul-terminated string in memory ** obtained from sqlite3DbMalloc(). If sqlite3.nVdbeExec is 1, then the -** string contains a copy of zRawSql but with host parameters expanded to -** their current bindings. Or, if sqlite3.nVdbeExec is greater than 1, +** string contains a copy of zRawSql but with host parameters expanded to +** their current bindings. Or, if sqlite3.nVdbeExec is greater than 1, ** then the returned string holds a copy of zRawSql with "-- " prepended ** to each line of text. ** @@ -83745,7 +85128,7 @@ SQLITE_PRIVATE char *sqlite3VdbeExpandSql( char zBase[100]; /* Initial working space */ db = p->db; - sqlite3StrAccumInit(&out, 0, zBase, sizeof(zBase), + sqlite3StrAccumInit(&out, 0, zBase, sizeof(zBase), db->aLimit[SQLITE_LIMIT_LENGTH]); if( db->nVdbeExec>1 ){ while( *zRawSql ){ @@ -83813,7 +85196,7 @@ SQLITE_PRIVATE char *sqlite3VdbeExpandSql( nOut = SQLITE_TRACE_SIZE_LIMIT; while( nOut<pVar->n && (pVar->z[nOut]&0xc0)==0x80 ){ nOut++; } } -#endif +#endif sqlite3_str_appendf(&out, "'%.*q'", nOut, pVar->z); #ifdef SQLITE_TRACE_SIZE_LIMIT if( nOut<pVar->n ){ @@ -83972,6 +85355,26 @@ SQLITE_API int sqlite3_found_count = 0; # define UPDATE_MAX_BLOBSIZE(P) #endif +#ifdef SQLITE_DEBUG +/* This routine provides a convenient place to set a breakpoint during +** tracing with PRAGMA vdbe_trace=on. The breakpoint fires right after +** each opcode is printed. Variables "pc" (program counter) and pOp are +** available to add conditionals to the breakpoint. GDB example: +** +** break test_trace_breakpoint if pc=22 +** +** Other useful labels for breakpoints include: +** test_addop_breakpoint(pc,pOp) +** sqlite3CorruptError(lineno) +** sqlite3MisuseError(lineno) +** sqlite3CantopenError(lineno) +*/ +static void test_trace_breakpoint(int pc, Op *pOp, Vdbe *v){ + static int n = 0; + n++; +} +#endif + /* ** Invoke the VDBE coverage callback, if that callback is defined. This ** feature is used for test suite validation only and does not appear an @@ -83986,7 +85389,7 @@ SQLITE_API int sqlite3_found_count = 0; ** ** In other words, if M is 2, then I is either 0 (for fall-through) or ** 1 (for when the branch is taken). If M is 3, the I is 0 for an -** ordinary fall-through, I is 1 if the branch was taken, and I is 2 +** ordinary fall-through, I is 1 if the branch was taken, and I is 2 ** if the result of comparison is NULL. For M=3, I=2 the jump may or ** may not be taken, depending on the SQLITE_JUMPIFNULL flags in p5. ** When M is 4, that means that an OP_Jump is being run. I is 0, 1, or 2 @@ -84080,7 +85483,7 @@ static VdbeCursor *allocateCursor( u8 eCurType /* Type of the new cursor */ ){ /* Find the memory cell that will be used to store the blob of memory - ** required for this VdbeCursor structure. It is convenient to use a + ** required for this VdbeCursor structure. It is convenient to use a ** vdbe memory cell to manage the memory allocation required for a ** VdbeCursor structure for the following reasons: ** @@ -84101,14 +85504,14 @@ static VdbeCursor *allocateCursor( int nByte; VdbeCursor *pCx = 0; - nByte = - ROUND8(sizeof(VdbeCursor)) + 2*sizeof(u32)*nField + + nByte = + ROUND8(sizeof(VdbeCursor)) + 2*sizeof(u32)*nField + (eCurType==CURTYPE_BTREE?sqlite3BtreeCursorSize():0); assert( iCur>=0 && iCur<p->nCursor ); if( p->apCsr[iCur] ){ /*OPTIMIZATION-IF-FALSE*/ /* Before calling sqlite3VdbeFreeCursor(), ensure the isEphemeral flag - ** is clear. Otherwise, if this is an ephemeral cursor created by + ** is clear. Otherwise, if this is an ephemeral cursor created by ** OP_OpenDup, the cursor will not be closed and will still be part ** of a BtShared.pCursor list. */ if( p->apCsr[iCur]->pBtx==0 ) p->apCsr[iCur]->isEphemeral = 0; @@ -84188,7 +85591,7 @@ static void applyNumericAffinity(Mem *pRec, int bTryForInt){ ** SQLITE_AFF_INTEGER: ** SQLITE_AFF_REAL: ** SQLITE_AFF_NUMERIC: -** Try to convert pRec to an integer representation or a +** Try to convert pRec to an integer representation or a ** floating-point representation if an integer representation ** is not possible. Note that the integer representation is ** always preferred, even if the affinity is REAL, because @@ -84219,7 +85622,7 @@ static void applyAffinity( }else if( affinity==SQLITE_AFF_TEXT ){ /* Only attempt the conversion to TEXT if there is an integer or real ** representation (blob and NULL do not get converted) but no string - ** representation. It would be harmless to repeat the conversion if + ** representation. It would be harmless to repeat the conversion if ** there is already a string rep, but it is pointless to waste those ** CPU cycles. */ if( 0==(pRec->flags&MEM_Str) ){ /*OPTIMIZATION-IF-FALSE*/ @@ -84251,12 +85654,12 @@ SQLITE_API int sqlite3_value_numeric_type(sqlite3_value *pVal){ } /* -** Exported version of applyAffinity(). This one works on sqlite3_value*, +** Exported version of applyAffinity(). This one works on sqlite3_value*, ** not the internal Mem* type. */ SQLITE_PRIVATE void sqlite3ValueApplyAffinity( - sqlite3_value *pVal, - u8 affinity, + sqlite3_value *pVal, + u8 affinity, u8 enc ){ applyAffinity((Mem *)pVal, affinity, enc); @@ -84291,7 +85694,7 @@ static u16 SQLITE_NOINLINE computeNumericType(Mem *pMem){ /* ** Return the numeric type for pMem, either MEM_Int or MEM_Real or both or -** none. +** none. ** ** Unlike applyNumericAffinity(), this routine does not modify pMem->flags. ** But it does set pMem->u.r and pMem->u.i appropriately. @@ -84316,12 +85719,9 @@ static u16 numericType(Mem *pMem){ ** Write a nice string representation of the contents of cell pMem ** into buffer zBuf, length nBuf. */ -SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf){ - char *zCsr = zBuf; +SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, StrAccum *pStr){ int f = pMem->flags; - static const char *const encnames[] = {"(X)", "(8)", "(16LE)", "(16BE)"}; - if( f&MEM_Blob ){ int i; char c; @@ -84337,57 +85737,40 @@ SQLITE_PRIVATE void sqlite3VdbeMemPrettyPrint(Mem *pMem, char *zBuf){ }else{ c = 's'; } - *(zCsr++) = c; - *(zCsr++) = 'x'; - sqlite3_snprintf(100, zCsr, "%d[", pMem->n); - zCsr += sqlite3Strlen30(zCsr); + sqlite3_str_appendf(pStr, "%cx[", c); for(i=0; i<25 && i<pMem->n; i++){ - sqlite3_snprintf(100, zCsr, "%02X", ((int)pMem->z[i] & 0xFF)); - zCsr += sqlite3Strlen30(zCsr); + sqlite3_str_appendf(pStr, "%02X", ((int)pMem->z[i] & 0xFF)); } - *zCsr++ = '|'; + sqlite3_str_appendf(pStr, "|"); for(i=0; i<25 && i<pMem->n; i++){ char z = pMem->z[i]; - if( z<32 || z>126 ) *zCsr++ = '.'; - else *zCsr++ = z; + sqlite3_str_appendchar(pStr, 1, (z<32||z>126)?'.':z); } - *(zCsr++) = ']'; + sqlite3_str_appendf(pStr,"]"); if( f & MEM_Zero ){ - sqlite3_snprintf(100, zCsr,"+%dz",pMem->u.nZero); - zCsr += sqlite3Strlen30(zCsr); + sqlite3_str_appendf(pStr, "+%dz",pMem->u.nZero); } - *zCsr = '\0'; }else if( f & MEM_Str ){ - int j, k; - zBuf[0] = ' '; + int j; + u8 c; if( f & MEM_Dyn ){ - zBuf[1] = 'z'; + c = 'z'; assert( (f & (MEM_Static|MEM_Ephem))==0 ); }else if( f & MEM_Static ){ - zBuf[1] = 't'; + c = 't'; assert( (f & (MEM_Dyn|MEM_Ephem))==0 ); }else if( f & MEM_Ephem ){ - zBuf[1] = 'e'; + c = 'e'; assert( (f & (MEM_Static|MEM_Dyn))==0 ); }else{ - zBuf[1] = 's'; + c = 's'; } - k = 2; - sqlite3_snprintf(100, &zBuf[k], "%d", pMem->n); - k += sqlite3Strlen30(&zBuf[k]); - zBuf[k++] = '['; + sqlite3_str_appendf(pStr, " %c%d[", c, pMem->n); for(j=0; j<25 && j<pMem->n; j++){ - u8 c = pMem->z[j]; - if( c>=0x20 && c<0x7f ){ - zBuf[k++] = c; - }else{ - zBuf[k++] = '.'; - } + c = pMem->z[j]; + sqlite3_str_appendchar(pStr, 1, (c>=0x20&&c<=0x7f) ? c : '.'); } - zBuf[k++] = ']'; - sqlite3_snprintf(100,&zBuf[k], encnames[pMem->enc]); - k += sqlite3Strlen30(&zBuf[k]); - zBuf[k++] = 0; + sqlite3_str_appendf(pStr, "]%s", encnames[pMem->enc]); } } #endif @@ -84414,21 +85797,38 @@ static void memTracePrint(Mem *p){ }else if( sqlite3VdbeMemIsRowSet(p) ){ printf(" (rowset)"); }else{ - char zBuf[200]; - sqlite3VdbeMemPrettyPrint(p, zBuf); - printf(" %s", zBuf); + StrAccum acc; + char zBuf[1000]; + sqlite3StrAccumInit(&acc, 0, zBuf, sizeof(zBuf), 0); + sqlite3VdbeMemPrettyPrint(p, &acc); + printf(" %s", sqlite3StrAccumFinish(&acc)); } if( p->flags & MEM_Subtype ) printf(" subtype=0x%02x", p->eSubtype); } static void registerTrace(int iReg, Mem *p){ - printf("REG[%d] = ", iReg); + printf("R[%d] = ", iReg); memTracePrint(p); + if( p->pScopyFrom ){ + printf(" <== R[%d]", (int)(p->pScopyFrom - &p[-iReg])); + } printf("\n"); sqlite3VdbeCheckMemInvariants(p); } #endif #ifdef SQLITE_DEBUG +/* +** Show the values of all registers in the virtual machine. Used for +** interactive debugging. +*/ +SQLITE_PRIVATE void sqlite3VdbeRegisterDump(Vdbe *v){ + int i; + for(i=1; i<v->nMem; i++) registerTrace(i, v->aMem+i); +} +#endif /* SQLITE_DEBUG */ + + +#ifdef SQLITE_DEBUG # define REGISTER_TRACE(R,M) if(db->flags&SQLITE_VdbeTrace)registerTrace(R,M) #else # define REGISTER_TRACE(R,M) @@ -84437,8 +85837,8 @@ static void registerTrace(int iReg, Mem *p){ #ifdef VDBE_PROFILE -/* -** hwtime.h contains inline assembler code for implementing +/* +** hwtime.h contains inline assembler code for implementing ** high-performance timing routines. */ /************** Include hwtime.h in the middle of vdbe.c *********************/ @@ -84456,7 +85856,7 @@ static void registerTrace(int iReg, Mem *p){ ****************************************************************************** ** ** This file contains inline asm code for retrieving "high-performance" -** counters for x86 class CPUs. +** counters for x86 and x86_64 class CPUs. */ #ifndef SQLITE_HWTIME_H #define SQLITE_HWTIME_H @@ -84467,8 +85867,9 @@ static void registerTrace(int iReg, Mem *p){ ** processor and returns that value. This can be used for high-res ** profiling. */ -#if (defined(__GNUC__) || defined(_MSC_VER)) && \ - (defined(i386) || defined(__i386__) || defined(_M_IX86)) +#if !defined(__STRICT_ANSI__) && \ + (defined(__GNUC__) || defined(_MSC_VER)) && \ + (defined(i386) || defined(__i386__) || defined(_M_IX86)) #if defined(__GNUC__) @@ -84489,15 +85890,15 @@ static void registerTrace(int iReg, Mem *p){ #endif -#elif (defined(__GNUC__) && defined(__x86_64__)) +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__x86_64__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long val; __asm__ __volatile__ ("rdtsc" : "=A" (val)); return val; } - -#elif (defined(__GNUC__) && defined(__ppc__)) + +#elif !defined(__STRICT_ANSI__) && (defined(__GNUC__) && defined(__ppc__)) __inline__ sqlite_uint64 sqlite3Hwtime(void){ unsigned long long retval; @@ -84514,14 +85915,13 @@ static void registerTrace(int iReg, Mem *p){ #else - #error Need implementation of sqlite3Hwtime() for your platform. - /* - ** To compile without implementing sqlite3Hwtime() for your platform, - ** you can remove the above #error and use the following - ** stub function. You will lose timing support for many - ** of the debugging and testing utilities, but it should at - ** least compile and run. + ** asm() is needed for hardware timing support. Without asm(), + ** disable the sqlite3Hwtime() routine. + ** + ** sqlite3Hwtime() is only used for some obscure debugging + ** and analysis configurations, not in any deliverable, so this + ** should not be a great loss. */ SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } @@ -84538,9 +85938,9 @@ SQLITE_PRIVATE sqlite_uint64 sqlite3Hwtime(void){ return ((sqlite_uint64)0); } /* ** This function is only called from within an assert() expression. It ** checks that the sqlite3.nTransaction variable is correctly set to -** the number of non-transaction savepoints currently in the +** the number of non-transaction savepoints currently in the ** linked list starting at sqlite3.pSavepoint. -** +** ** Usage: ** ** assert( checkSavepointCount(db) ); @@ -84580,7 +85980,7 @@ static Mem *out2Prerelease(Vdbe *p, VdbeOp *pOp){ /* ** Execute as much of a VDBE program as we can. -** This is the core of sqlite3_step(). +** This is the core of sqlite3_step(). */ SQLITE_PRIVATE int sqlite3VdbeExec( Vdbe *p /* The VDBE */ @@ -84598,9 +85998,9 @@ SQLITE_PRIVATE int sqlite3VdbeExec( u8 resetSchemaOnFault = 0; /* Reset schema after an error if positive */ u8 encoding = ENC(db); /* The database encoding */ int iCompare = 0; /* Result of last comparison */ - unsigned nVmStep = 0; /* Number of virtual machine steps */ + u64 nVmStep = 0; /* Number of virtual machine steps */ #ifndef SQLITE_OMIT_PROGRESS_CALLBACK - unsigned nProgressLimit; /* Invoke xProgress() when nVmStep reaches this */ + u64 nProgressLimit; /* Invoke xProgress() when nVmStep reaches this */ #endif Mem *aMem = p->aMem; /* Copy of p->aMem */ Mem *pIn1 = 0; /* 1st input operand */ @@ -84620,7 +86020,7 @@ SQLITE_PRIVATE int sqlite3VdbeExec( assert( 0 < db->nProgressOps ); nProgressLimit = db->nProgressOps - (iPrior % db->nProgressOps); }else{ - nProgressLimit = 0xffffffff; + nProgressLimit = LARGEST_UINT64; } #endif if( p->rc==SQLITE_NOMEM ){ @@ -84629,12 +86029,14 @@ SQLITE_PRIVATE int sqlite3VdbeExec( goto no_mem; } assert( p->rc==SQLITE_OK || (p->rc&0xff)==SQLITE_BUSY ); + testcase( p->rc!=SQLITE_OK ); + p->rc = SQLITE_OK; assert( p->bIsReader || p->readOnly!=0 ); p->iCurrentTime = 0; assert( p->explain==0 ); p->pResultSet = 0; db->busyHandler.nBusy = 0; - if( db->u1.isInterrupted ) goto abort_due_to_interrupt; + if( AtomicLoad(&db->u1.isInterrupted) ) goto abort_due_to_interrupt; sqlite3VdbeIOTraceSql(p); #ifdef SQLITE_DEBUG sqlite3BeginBenignMalloc(); @@ -84682,9 +86084,10 @@ SQLITE_PRIVATE int sqlite3VdbeExec( #ifdef SQLITE_DEBUG if( db->flags & SQLITE_VdbeTrace ){ sqlite3VdbePrintOp(stdout, (int)(pOp - aOp), pOp); + test_trace_breakpoint((int)(pOp - aOp),pOp,p); } #endif - + /* Check to see if we need to simulate an interrupt. This only happens ** if we have a special test build. @@ -84738,7 +86141,7 @@ SQLITE_PRIVATE int sqlite3VdbeExec( #if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) pOrigOp = pOp; #endif - + switch( pOp->opcode ){ /***************************************************************************** @@ -84779,7 +86182,7 @@ SQLITE_PRIVATE int sqlite3VdbeExec( /* Opcode: Goto * P2 * * * ** ** An unconditional jump to address P2. -** The next instruction executed will be +** The next instruction executed will be ** the one at index P2 from the beginning of ** the program. ** @@ -84789,13 +86192,27 @@ SQLITE_PRIVATE int sqlite3VdbeExec( ** to the current line should be indented for EXPLAIN output. */ case OP_Goto: { /* jump */ + +#ifdef SQLITE_DEBUG + /* In debuggging mode, when the p5 flags is set on an OP_Goto, that + ** means we should really jump back to the preceeding OP_ReleaseReg + ** instruction. */ + if( pOp->p5 ){ + assert( pOp->p2 < (int)(pOp - aOp) ); + assert( pOp->p2 > 1 ); + pOp = &aOp[pOp->p2 - 2]; + assert( pOp[1].opcode==OP_ReleaseReg ); + goto check_for_interrupt; + } +#endif + jump_to_p2_and_check_for_interrupt: pOp = &aOp[pOp->p2 - 1]; /* Opcodes that are used as the bottom of a loop (OP_Next, OP_Prev, ** OP_VNext, or OP_SorterNext) all jump here upon ** completion. Check to see if sqlite3_interrupt() has been called - ** or if the progress callback needs to be invoked. + ** or if the progress callback needs to be invoked. ** ** This code uses unstructured "goto" statements and does not look clean. ** But that is not due to sloppy coding habits. The code is written this @@ -84803,7 +86220,7 @@ jump_to_p2_and_check_for_interrupt: ** checks on every opcode. This helps sqlite3_step() to run about 1.5% ** faster according to "valgrind --tool=cachegrind" */ check_for_interrupt: - if( db->u1.isInterrupted ) goto abort_due_to_interrupt; + if( AtomicLoad(&db->u1.isInterrupted) ) goto abort_due_to_interrupt; #ifndef SQLITE_OMIT_PROGRESS_CALLBACK /* Call the progress callback if it is configured and the required number ** of VDBE ops have been executed (either since this invocation of @@ -84815,13 +86232,13 @@ check_for_interrupt: assert( db->nProgressOps!=0 ); nProgressLimit += db->nProgressOps; if( db->xProgress(db->pProgressArg) ){ - nProgressLimit = 0xffffffff; + nProgressLimit = LARGEST_UINT64; rc = SQLITE_INTERRUPT; goto abort_due_to_error; } } #endif - + break; } @@ -84943,6 +86360,7 @@ case OP_HaltIfNull: { /* in3 */ #endif if( (pIn3->flags & MEM_Null)==0 ) break; /* Fall through into OP_Halt */ + /* no break */ deliberate_fall_through } /* Opcode: Halt P1 P2 * P4 P5 @@ -84956,7 +86374,7 @@ case OP_HaltIfNull: { /* in3 */ ** whether or not to rollback the current transaction. Do not rollback ** if P2==OE_Fail. Do the rollback if P2==OE_Rollback. If P2==OE_Abort, ** then back out all changes that have occurred during this execution of the -** VDBE, but do not rollback the transaction. +** VDBE, but do not rollback the transaction. ** ** If P4 is not null then it is an error message string. ** @@ -84991,7 +86409,7 @@ case OP_Halt: { sqlite3VdbeSetChanges(db, p->nChange); pcx = sqlite3VdbeFrameRestore(pFrame); if( pOp->p2==OE_Ignore ){ - /* Instruction pcx is the OP_Program that invoked the sub-program + /* Instruction pcx is the OP_Program that invoked the sub-program ** currently being halted. If the p2 instruction of this OP_Halt ** instruction is set to OE_Ignore, then the sub-program is throwing ** an IGNORE exception. In this case jump to the address specified @@ -85079,7 +86497,7 @@ case OP_Real: { /* same as TK_FLOAT, out2 */ /* Opcode: String8 * P2 * P4 * ** Synopsis: r[P2]='P4' ** -** P4 points to a nul terminated UTF-8 string. This opcode is transformed +** P4 points to a nul terminated UTF-8 string. This opcode is transformed ** into a String opcode before it is executed for the first time. During ** this transformation, the length of string P4 is computed and stored ** as the P1 parameter. @@ -85113,8 +86531,9 @@ case OP_String8: { /* same as TK_STRING, out2 */ pOp->opcode = OP_String; assert( rc==SQLITE_OK ); /* Fall through to the next case, OP_String */ + /* no break */ deliberate_fall_through } - + /* Opcode: String P1 P2 P3 P4 P5 ** Synopsis: r[P2]='P4' (len=P1) ** @@ -85265,8 +86684,13 @@ case OP_Move: { memAboutToChange(p, pOut); sqlite3VdbeMemMove(pOut, pIn1); #ifdef SQLITE_DEBUG - if( pOut->pScopyFrom>=&aMem[p1] && pOut->pScopyFrom<pOut ){ - pOut->pScopyFrom += pOp->p2 - p1; + pIn1->pScopyFrom = 0; + { int i; + for(i=1; i<p->nMem; i++){ + if( aMem[i].pScopyFrom==pIn1 ){ + aMem[i].pScopyFrom = pOut; + } + } } #endif Deephemeralize(pOut); @@ -85373,8 +86797,8 @@ case OP_ResultRow: { goto abort_due_to_error; } - /* If the SQLITE_CountRows flag is set in sqlite3.flags mask, then - ** DML statements invoke this opcode to return the number of rows + /* If the SQLITE_CountRows flag is set in sqlite3.flags mask, then + ** DML statements invoke this opcode to return the number of rows ** modified to the user. This is the only way that a VM that ** opens a statement transaction may invoke this opcode. ** @@ -85407,13 +86831,22 @@ case OP_ResultRow: { || (pMem[i].flags & (MEM_Str|MEM_Blob))==0 ); sqlite3VdbeMemNulTerminate(&pMem[i]); REGISTER_TRACE(pOp->p1+i, &pMem[i]); +#ifdef SQLITE_DEBUG + /* The registers in the result will not be used again when the + ** prepared statement restarts. This is because sqlite3_column() + ** APIs might have caused type conversions of made other changes to + ** the register values. Therefore, we can go ahead and break any + ** OP_SCopy dependencies. */ + pMem[i].pScopyFrom = 0; +#endif } if( db->mallocFailed ) goto no_mem; if( db->mTrace & SQLITE_TRACE_ROW ){ - db->xTrace(SQLITE_TRACE_ROW, db->pTraceArg, p, 0); + db->trace.xV2(SQLITE_TRACE_ROW, db->pTraceArg, p, 0); } + /* Return SQLITE_ROW */ p->pc = (int)(pOp - aOp) + 1; @@ -85442,7 +86875,6 @@ case OP_Concat: { /* same as TK_CONCAT, in1, in2, out3 */ pIn1 = &aMem[pOp->p1]; pIn2 = &aMem[pOp->p2]; pOut = &aMem[pOp->p3]; - testcase( pIn1==pIn2 ); testcase( pOut==pIn2 ); assert( pIn1!=pOut ); flags1 = pIn1->flags; @@ -85519,15 +86951,15 @@ case OP_Concat: { /* same as TK_CONCAT, in1, in2, out3 */ ** Synopsis: r[P3]=r[P2]/r[P1] ** ** Divide the value in register P1 by the value in register P2 -** and store the result in register P3 (P3=P2/P1). If the value in -** register P1 is zero, then the result is NULL. If either input is +** and store the result in register P3 (P3=P2/P1). If the value in +** register P1 is zero, then the result is NULL. If either input is ** NULL, the result is NULL. */ /* Opcode: Remainder P1 P2 P3 * * ** Synopsis: r[P3]=r[P2]%r[P1] ** -** Compute the remainder after integer register P2 is divided by -** register P1 and store the result in register P3. +** Compute the remainder after integer register P2 is divided by +** register P1 and store the result in register P3. ** If the value in register P1 is zero the result is NULL. ** If either operand is NULL, the result is NULL. */ @@ -85722,7 +87154,7 @@ case OP_ShiftRight: { /* same as TK_RSHIFT, in1, in2, out3 */ /* Opcode: AddImm P1 P2 * * * ** Synopsis: r[P1]=r[P1]+P2 -** +** ** Add the constant P2 to the value in register P1. ** The result is always an integer. ** @@ -85737,7 +87169,7 @@ case OP_AddImm: { /* in1 */ } /* Opcode: MustBeInt P1 P2 * * * -** +** ** Force the value in register P1 to be an integer. If the value ** in P1 is not an integer and cannot be converted into an integer ** without data loss, then jump immediately to P2, or if P2==0 @@ -85789,7 +87221,7 @@ case OP_RealAffinity: { /* in1 */ ** Synopsis: affinity(r[P1]) ** ** Force the value in register P1 to be the type defined by P2. -** +** ** <ul> ** <li> P2=='A' → BLOB ** <li> P2=='B' → TEXT @@ -85810,9 +87242,11 @@ case OP_Cast: { /* in1 */ pIn1 = &aMem[pOp->p1]; memAboutToChange(p, pIn1); rc = ExpandBlob(pIn1); - sqlite3VdbeMemCast(pIn1, pOp->p2, encoding); - UPDATE_MAX_BLOBSIZE(pIn1); if( rc ) goto abort_due_to_error; + rc = sqlite3VdbeMemCast(pIn1, pOp->p2, encoding); + if( rc ) goto abort_due_to_error; + UPDATE_MAX_BLOBSIZE(pIn1); + REGISTER_TRACE(pOp->p1, pIn1); break; } #endif /* SQLITE_OMIT_CAST */ @@ -85825,14 +87259,14 @@ case OP_Cast: { /* in1 */ ** store the result of comparison in register P2. ** ** The SQLITE_AFF_MASK portion of P5 must be an affinity character - -** SQLITE_AFF_TEXT, SQLITE_AFF_INTEGER, and so forth. An attempt is made +** SQLITE_AFF_TEXT, SQLITE_AFF_INTEGER, and so forth. An attempt is made ** to coerce both inputs according to this affinity before the ** comparison is made. If the SQLITE_AFF_MASK is 0x00, then numeric ** affinity is used. Note that the affinity conversions are stored ** back into the input registers P1 and P3. So this opcode can cause ** persistent changes to registers P1 and P3. ** -** Once any conversions have taken place, and neither value is NULL, +** Once any conversions have taken place, and neither value is NULL, ** the values are compared. If both values are blobs then memcmp() is ** used to determine the results of the comparison. If both values ** are text, then the appropriate collating function specified in @@ -85871,18 +87305,18 @@ case OP_Cast: { /* in1 */ ** the result of comparison (0 or 1 or NULL) into register P2. ** ** If the SQLITE_JUMPIFNULL bit of P5 is set and either reg(P1) or -** reg(P3) is NULL then the take the jump. If the SQLITE_JUMPIFNULL +** reg(P3) is NULL then the take the jump. If the SQLITE_JUMPIFNULL ** bit is clear then fall through if either operand is NULL. ** ** The SQLITE_AFF_MASK portion of P5 must be an affinity character - -** SQLITE_AFF_TEXT, SQLITE_AFF_INTEGER, and so forth. An attempt is made +** SQLITE_AFF_TEXT, SQLITE_AFF_INTEGER, and so forth. An attempt is made ** to coerce both inputs according to this affinity before the ** comparison is made. If the SQLITE_AFF_MASK is 0x00, then numeric ** affinity is used. Note that the affinity conversions are stored ** back into the input registers P1 and P3. So this opcode can cause ** persistent changes to registers P1 and P3. ** -** Once any conversions have taken place, and neither value is NULL, +** Once any conversions have taken place, and neither value is NULL, ** the values are compared. If both values are blobs then memcmp() is ** used to determine the results of the comparison. If both values ** are text, then the appropriate collating function specified in @@ -85971,12 +87405,7 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ if( (flags1 | flags3)&MEM_Str ){ if( (flags1 & (MEM_Int|MEM_IntReal|MEM_Real|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn1,0); - assert( flags3==pIn3->flags ); - /* testcase( flags3!=pIn3->flags ); - ** this used to be possible with pIn1==pIn3, but not since - ** the column cache was removed. The following assignment - ** is essentially a no-op. But, it provides defense-in-depth - ** in case our analysis is incorrect, so it is left in. */ + testcase( flags3==pIn3->flags ); flags3 = pIn3->flags; } if( (flags3 & (MEM_Int|MEM_IntReal|MEM_Real|MEM_Str))==MEM_Str ){ @@ -85999,7 +87428,7 @@ case OP_Ge: { /* same as TK_GE, jump, in1, in3 */ sqlite3VdbeMemStringify(pIn1, encoding, 1); testcase( (flags1&MEM_Dyn) != (pIn1->flags&MEM_Dyn) ); flags1 = (pIn1->flags & ~MEM_TypeMask) | (flags1 & MEM_TypeMask); - assert( pIn1!=pIn3 ); + if( NEVER(pIn1==pIn3) ) flags3 = flags1 | MEM_Str; } if( (flags3 & MEM_Str)==0 && (flags3&(MEM_Int|MEM_Real|MEM_IntReal))!=0 ){ testcase( pIn3->flags & MEM_Int ); @@ -86034,10 +87463,10 @@ compare_op: } /* Undo any changes made by applyAffinity() to the input registers. */ - assert( (pIn1->flags & MEM_Dyn) == (flags1 & MEM_Dyn) ); - pIn1->flags = flags1; assert( (pIn3->flags & MEM_Dyn) == (flags3 & MEM_Dyn) ); pIn3->flags = flags3; + assert( (pIn1->flags & MEM_Dyn) == (flags1 & MEM_Dyn) ); + pIn1->flags = flags1; if( pOp->p5 & SQLITE_STOREP2 ){ pOut = &aMem[pOp->p2]; @@ -86073,16 +87502,31 @@ compare_op: /* Opcode: ElseNotEq * P2 * * * ** -** This opcode must immediately follow an OP_Lt or OP_Gt comparison operator. -** If result of an OP_Eq comparison on the same two operands -** would have be NULL or false (0), then then jump to P2. -** If the result of an OP_Eq comparison on the two previous operands -** would have been true (1), then fall through. +** This opcode must follow an OP_Lt or OP_Gt comparison operator. There +** can be zero or more OP_ReleaseReg opcodes intervening, but no other +** opcodes are allowed to occur between this instruction and the previous +** OP_Lt or OP_Gt. Furthermore, the prior OP_Lt or OP_Gt must have the +** SQLITE_STOREP2 bit set in the P5 field. +** +** If result of an OP_Eq comparison on the same two operands as the +** prior OP_Lt or OP_Gt would have been NULL or false (0), then then +** jump to P2. If the result of an OP_Eq comparison on the two previous +** operands would have been true (1), then fall through. */ case OP_ElseNotEq: { /* same as TK_ESCAPE, jump */ - assert( pOp>aOp ); - assert( pOp[-1].opcode==OP_Lt || pOp[-1].opcode==OP_Gt ); - assert( pOp[-1].p5 & SQLITE_STOREP2 ); + +#ifdef SQLITE_DEBUG + /* Verify the preconditions of this opcode - that it follows an OP_Lt or + ** OP_Gt with the SQLITE_STOREP2 flag set, with zero or more intervening + ** OP_ReleaseReg opcodes */ + int iAddr; + for(iAddr = (int)(pOp - aOp) - 1; ALWAYS(iAddr>=0); iAddr--){ + if( aOp[iAddr].opcode==OP_ReleaseReg ) continue; + assert( aOp[iAddr].opcode==OP_Lt || aOp[iAddr].opcode==OP_Gt ); + assert( aOp[iAddr].p5 & SQLITE_STOREP2 ); + break; + } +#endif /* SQLITE_DEBUG */ VdbeBranchTaken(iCompare!=0, 2); if( iCompare!=0 ) goto jump_to_p2; break; @@ -86095,7 +87539,7 @@ case OP_ElseNotEq: { /* same as TK_ESCAPE, jump */ ** instruction. The permutation is stored in the P4 operand. ** ** The permutation is only valid until the next OP_Compare that has -** the OPFLAG_PERMUTE bit set in P5. Typically the OP_Permutation should +** the OPFLAG_PERMUTE bit set in P5. Typically the OP_Permutation should ** occur immediately prior to the OP_Compare. ** ** The first integer in the P4 integer array is the length of the array @@ -86135,10 +87579,10 @@ case OP_Compare: { int p1; int p2; const KeyInfo *pKeyInfo; - int idx; + u32 idx; CollSeq *pColl; /* Collating sequence to use on this term */ int bRev; /* True for DESCENDING sort order */ - int *aPermute; /* The permutation */ + u32 *aPermute; /* The permutation */ if( (pOp->p5 & OPFLAG_PERMUTE)==0 ){ aPermute = 0; @@ -86158,7 +87602,7 @@ case OP_Compare: { #ifdef SQLITE_DEBUG if( aPermute ){ int k, mx = 0; - for(k=0; k<n; k++) if( aPermute[k]>mx ) mx = aPermute[k]; + for(k=0; k<n; k++) if( aPermute[k]>(u32)mx ) mx = aPermute[k]; assert( p1>0 && p1+mx<=(p->nMem+1 - p->nCursor)+1 ); assert( p2>0 && p2+mx<=(p->nMem+1 - p->nCursor)+1 ); }else{ @@ -86167,7 +87611,7 @@ case OP_Compare: { } #endif /* SQLITE_DEBUG */ for(i=0; i<n; i++){ - idx = aPermute ? aPermute[i] : i; + idx = aPermute ? aPermute[i] : (u32)i; assert( memIsValid(&aMem[p1+idx]) ); assert( memIsValid(&aMem[p2+idx]) ); REGISTER_TRACE(p1+idx, &aMem[p1+idx]); @@ -86177,7 +87621,7 @@ case OP_Compare: { bRev = (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_DESC); iCompare = sqlite3MemCompare(&aMem[p1+idx], &aMem[p2+idx], pColl); if( iCompare ){ - if( (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_BIGNULL) + if( (pKeyInfo->aSortFlags[i] & KEYINFO_ORDER_BIGNULL) && ((aMem[p1+idx].flags & MEM_Null) || (aMem[p2+idx].flags & MEM_Null)) ){ iCompare = -iCompare; @@ -86257,13 +87701,13 @@ case OP_Or: { /* same as TK_OR, in1, in2, out3 */ ** IS NOT FALSE operators. ** ** Interpret the value in register P1 as a boolean value. Store that -** boolean (a 0 or 1) in register P2. Or if the value in register P1 is +** boolean (a 0 or 1) in register P2. Or if the value in register P1 is ** NULL, then the P3 is stored in register P2. Invert the answer if P4 ** is 1. ** ** The logic is summarized like this: ** -** <ul> +** <ul> ** <li> If P3==0 and P4==0 then r[P2] := r[P1] IS TRUE ** <li> If P3==1 and P4==1 then r[P2] := r[P1] IS FALSE ** <li> If P3==0 and P4==1 then r[P2] := r[P1] IS NOT TRUE @@ -86283,7 +87727,7 @@ case OP_IsTrue: { /* in1, out2 */ ** Synopsis: r[P2]= !r[P1] ** ** Interpret the value in register P1 as a boolean value. Store the -** boolean complement in register P2. If the value in register P1 is +** boolean complement in register P2. If the value in register P1 is ** NULL, then a NULL is stored in P2. */ case OP_Not: { /* same as TK_NOT, in1, out2 */ @@ -86398,7 +87842,7 @@ case OP_IsNull: { /* same as TK_ISNULL, jump, in1 */ /* Opcode: NotNull P1 P2 * * * ** Synopsis: if r[P1]!=NULL goto P2 ** -** Jump to P2 if the value in register P1 is not NULL. +** Jump to P2 if the value in register P1 is not NULL. */ case OP_NotNull: { /* same as TK_NOTNULL, jump, in1 */ pIn1 = &aMem[pOp->p1]; @@ -86463,7 +87907,7 @@ case OP_Offset: { /* out3 */ ** Interpret the data that cursor P1 points to as a structure built using ** the MakeRecord instruction. (See the MakeRecord opcode for additional ** information about the format of the data.) Extract the P2-th column -** from this record. If there are less that (P2+1) +** from this record. If there are less that (P2+1) ** values in the record, extract a NULL. ** ** The value extracted is stored in register P3. @@ -86478,7 +87922,7 @@ case OP_Offset: { /* out3 */ ** skipped for length() and all content loading can be skipped for typeof(). */ case OP_Column: { - int p2; /* column number to retrieve */ + u32 p2; /* column number to retrieve */ VdbeCursor *pC; /* The VDBE cursor */ BtCursor *pCrsr; /* The BTree cursor */ u32 *aOffset; /* aOffset[i] is offset to start of data for i-th column */ @@ -86493,11 +87937,13 @@ case OP_Column: { u32 t; /* A type code from the record header */ Mem *pReg; /* PseudoTable input register */ + assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; - p2 = pOp->p2; + assert( pC!=0 ); + p2 = (u32)pOp->p2; /* If the cursor cache is stale (meaning it is not currently point at - ** the correct row) then bring it up-to-date by doing the necessary + ** the correct row) then bring it up-to-date by doing the necessary ** B-Tree seek. */ rc = sqlite3VdbeCursorMoveto(&pC, &p2); if( rc ) goto abort_due_to_error; @@ -86505,9 +87951,8 @@ case OP_Column: { assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); pDest = &aMem[pOp->p3]; memAboutToChange(p, pDest); - assert( pOp->p1>=0 && pOp->p1<p->nCursor ); assert( pC!=0 ); - assert( p2<pC->nField ); + assert( p2<(u32)pC->nField ); aOffset = pC->aOffset; assert( pC->eCurType!=CURTYPE_VTAB ); assert( pC->eCurType!=CURTYPE_PSEUDO || pC->nullRow ); @@ -86592,19 +88037,19 @@ case OP_Column: { */ if( pC->nHdrParsed<=p2 ){ /* If there is more header available for parsing in the record, try - ** to extract additional fields up through the p2+1-th field + ** to extract additional fields up through the p2+1-th field */ if( pC->iHdrOffset<aOffset[0] ){ /* Make sure zData points to enough of the record to cover the header. */ if( pC->aRow==0 ){ memset(&sMem, 0, sizeof(sMem)); - rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, 0, aOffset[0], &sMem); + rc = sqlite3VdbeMemFromBtreeZeroOffset(pC->uc.pCursor,aOffset[0],&sMem); if( rc!=SQLITE_OK ) goto abort_due_to_error; zData = (u8*)sMem.z; }else{ zData = pC->aRow; } - + /* Fill in pC->aType[i] and aOffset[i] values through the p2-th field. */ op_column_read_header: i = pC->nHdrParsed; @@ -86622,7 +88067,7 @@ case OP_Column: { offset64 += sqlite3VdbeSerialTypeLen(t); } aOffset[++i] = (u32)(offset64 & 0xffffffff); - }while( i<=p2 && zHdr<zEndHdr ); + }while( (u32)i<=p2 && zHdr<zEndHdr ); /* The record is corrupt if any of the following are true: ** (1) the bytes of the header extend past the declared header size @@ -86712,14 +88157,15 @@ case OP_Column: { ** 2. the length(X) function if X is a blob, and ** 3. if the content length is zero. ** So we might as well use bogus content rather than reading - ** content from disk. + ** content from disk. ** ** Although sqlite3VdbeSerialGet() may read at most 8 bytes from the ** buffer passed to it, debugging function VdbeMemPrettyPrint() may - ** read up to 16. So 16 bytes of bogus content is supplied. + ** read more. Use the global constant sqlite3CtypeMap[] as the array, + ** as that array is 256 bytes long (plenty for VdbeMemPrettyPrint()) + ** and it begins with a bunch of zeros. */ - static u8 aZero[16]; /* This is the bogus content */ - sqlite3VdbeSerialGet(aZero, t, pDest); + sqlite3VdbeSerialGet((u8*)sqlite3CtypeMap, t, pDest); }else{ rc = sqlite3VdbeMemFromBtree(pC->uc.pCursor, aOffset[p2], len, pDest); if( rc!=SQLITE_OK ) goto abort_due_to_error; @@ -86762,7 +88208,7 @@ case OP_Affinity: { pIn1 = &aMem[pOp->p1]; while( 1 /*exit-by-break*/ ){ assert( pIn1 <= &p->aMem[(p->nMem+1 - p->nCursor)] ); - assert( memIsValid(pIn1) ); + assert( zAffinity[0]==SQLITE_AFF_NONE || memIsValid(pIn1) ); applyAffinity(pIn1, zAffinity[0], encoding); if( zAffinity[0]==SQLITE_AFF_REAL && (pIn1->flags & MEM_Int)!=0 ){ /* When applying REAL affinity, if the result is still an MEM_Int @@ -86805,6 +88251,17 @@ case OP_Affinity: { ** macros defined in sqliteInt.h. ** ** If P4 is NULL then all index fields have the affinity BLOB. +** +** The meaning of P5 depends on whether or not the SQLITE_ENABLE_NULL_TRIM +** compile-time option is enabled: +** +** * If SQLITE_ENABLE_NULL_TRIM is enabled, then the P5 is the index +** of the right-most table that can be null-trimmed. +** +** * If SQLITE_ENABLE_NULL_TRIM is omitted, then P5 has the value +** OPFLAG_NOCHNG_MAGIC if the OP_MakeRecord opcode is allowed to +** accept no-change records with serial_type 10. This value is +** only used inside an assert() and does not affect the end result. */ case OP_MakeRecord: { Mem *pRec; /* The new record */ @@ -86827,13 +88284,13 @@ case OP_MakeRecord: { ** like this: ** ** ------------------------------------------------------------------------ - ** | hdr-size | type 0 | type 1 | ... | type N-1 | data0 | ... | data N-1 | + ** | hdr-size | type 0 | type 1 | ... | type N-1 | data0 | ... | data N-1 | ** ------------------------------------------------------------------------ ** ** Data(0) is taken from register P1. Data(1) comes from register P1+1 ** and so forth. ** - ** Each type field is a varint representing the serial type of the + ** Each type field is a varint representing the serial type of the ** corresponding data element (see sqlite3VdbeSerialType()). The ** hdr-size field is also a varint which is the offset from the beginning ** of the record to data0. @@ -86923,7 +88380,9 @@ case OP_MakeRecord: { ** Give such values a special internal-use-only serial-type of 10 ** so that they can be passed through to xUpdate and have ** a true sqlite3_value_nochange(). */ +#ifndef SQLITE_ENABLE_NULL_TRIM assert( pOp->p5==OPFLAG_NOCHNG_MAGIC || CORRUPT_DB ); +#endif pRec->uTemp = 10; }else{ pRec->uTemp = 0; @@ -87022,7 +88481,7 @@ case OP_MakeRecord: { } nByte = nHdr+nData; - /* Make sure the output register has a buffer large enough to store + /* Make sure the output register has a buffer large enough to store ** the new record. The output register (pOp->p3) is not allowed to ** be one of the input registers (because the following call to ** sqlite3VdbeMemClearAndResize() could clobber the value before it is used). @@ -87072,13 +88531,16 @@ case OP_MakeRecord: { break; } -/* Opcode: Count P1 P2 * * * +/* Opcode: Count P1 P2 p3 * * ** Synopsis: r[P2]=count() ** -** Store the number of entries (an integer value) in the table or index -** opened by cursor P1 in register P2 +** Store the number of entries (an integer value) in the table or index +** opened by cursor P1 in register P2. +** +** If P3==0, then an exact count is obtained, which involves visiting +** every btree page of the table. But if P3 is non-zero, an estimate +** is returned based on the current cursor position. */ -#ifndef SQLITE_OMIT_BTREECOUNT case OP_Count: { /* out2 */ i64 nEntry; BtCursor *pCrsr; @@ -87086,14 +88548,17 @@ case OP_Count: { /* out2 */ assert( p->apCsr[pOp->p1]->eCurType==CURTYPE_BTREE ); pCrsr = p->apCsr[pOp->p1]->uc.pCursor; assert( pCrsr ); - nEntry = 0; /* Not needed. Only used to silence a warning. */ - rc = sqlite3BtreeCount(pCrsr, &nEntry); - if( rc ) goto abort_due_to_error; + if( pOp->p3 ){ + nEntry = sqlite3BtreeRowCountEst(pCrsr); + }else{ + nEntry = 0; /* Not needed. Only used to silence a warning. */ + rc = sqlite3BtreeCount(db, pCrsr, &nEntry); + if( rc ) goto abort_due_to_error; + } pOut = out2Prerelease(p, pOp); pOut->u.i = nEntry; - break; + goto check_for_interrupt; } -#endif /* Opcode: Savepoint P1 * * P4 * ** @@ -87116,7 +88581,7 @@ case OP_Savepoint: { zName = pOp->p4.z; /* Assert that the p1 parameter is valid. Also that if there is no open - ** transaction, then there cannot be any savepoints. + ** transaction, then there cannot be any savepoints. */ assert( db->pSavepoint==0 || db->autoCommit==0 ); assert( p1==SAVEPOINT_BEGIN||p1==SAVEPOINT_RELEASE||p1==SAVEPOINT_ROLLBACK ); @@ -87126,7 +88591,7 @@ case OP_Savepoint: { if( p1==SAVEPOINT_BEGIN ){ if( db->nVdbeWrite>0 ){ - /* A new savepoint cannot be created if there are active write + /* A new savepoint cannot be created if there are active write ** statements (i.e. open read/write incremental blob handles). */ sqlite3VdbeError(p, "cannot open savepoint - SQL statements in progress"); @@ -87150,7 +88615,7 @@ case OP_Savepoint: { if( pNew ){ pNew->zName = (char *)&pNew[1]; memcpy(pNew->zName, zName, nName+1); - + /* If there is no open transaction, then mark this as a special ** "transaction savepoint". */ if( db->autoCommit ){ @@ -87174,7 +88639,7 @@ case OP_Savepoint: { /* Find the named savepoint. If there is no such savepoint, then an ** an error is returned to the user. */ for( - pSavepoint = db->pSavepoint; + pSavepoint = db->pSavepoint; pSavepoint && sqlite3StrICmp(pSavepoint->zName, zName); pSavepoint = pSavepoint->pNext ){ @@ -87184,7 +88649,7 @@ case OP_Savepoint: { sqlite3VdbeError(p, "no such savepoint: %s", zName); rc = SQLITE_ERROR; }else if( db->nVdbeWrite>0 && p1==SAVEPOINT_RELEASE ){ - /* It is not possible to release (commit) a savepoint if there are + /* It is not possible to release (commit) a savepoint if there are ** active write statements. */ sqlite3VdbeError(p, "cannot release savepoint - " @@ -87193,8 +88658,8 @@ case OP_Savepoint: { }else{ /* Determine whether or not this is a transaction savepoint. If so, - ** and this is a RELEASE command, then the current transaction - ** is committed. + ** and this is a RELEASE command, then the current transaction + ** is committed. */ int isTransaction = pSavepoint->pNext==0 && db->isTransactionSavepoint; if( isTransaction && p1==SAVEPOINT_RELEASE ){ @@ -87208,8 +88673,12 @@ case OP_Savepoint: { p->rc = rc = SQLITE_BUSY; goto vdbe_return; } - db->isTransactionSavepoint = 0; rc = p->rc; + if( rc ){ + db->autoCommit = 0; + }else{ + db->isTransactionSavepoint = 0; + } }else{ int isSchemaChange; iSavepoint = db->nSavepoint - iSavepoint - 1; @@ -87237,8 +88706,9 @@ case OP_Savepoint: { db->mDbFlags |= DBFLAG_SchemaChange; } } - - /* Regardless of whether this is a RELEASE or ROLLBACK, destroy all + if( rc ) goto abort_due_to_error; + + /* Regardless of whether this is a RELEASE or ROLLBACK, destroy all ** savepoints nested inside of the savepoint being operated on. */ while( db->pSavepoint!=pSavepoint ){ pTmp = db->pSavepoint; @@ -87247,8 +88717,8 @@ case OP_Savepoint: { db->nSavepoint--; } - /* If it is a RELEASE, then destroy the savepoint being operated on - ** too. If it is a ROLLBACK TO, then set the number of deferred + /* If it is a RELEASE, then destroy the savepoint being operated on + ** too. If it is a ROLLBACK TO, then set the number of deferred ** constraint violations present in the database to the value stored ** when the savepoint was created. */ if( p1==SAVEPOINT_RELEASE ){ @@ -87302,7 +88772,7 @@ case OP_AutoCommit: { db->autoCommit = 1; }else if( desiredAutoCommit && db->nVdbeWrite>0 ){ /* If this instruction implements a COMMIT and other VMs are writing - ** return an error indicating that the other VMs must complete first. + ** return an error indicating that the other VMs must complete first. */ sqlite3VdbeError(p, "cannot commit transaction - " "SQL statements in progress"); @@ -87319,7 +88789,6 @@ case OP_AutoCommit: { p->rc = rc = SQLITE_BUSY; goto vdbe_return; } - assert( db->nStatement==0 ); sqlite3CloseSavepoints(db); if( p->rc==SQLITE_OK ){ rc = SQLITE_DONE; @@ -87332,7 +88801,7 @@ case OP_AutoCommit: { (!desiredAutoCommit)?"cannot start a transaction within a transaction":( (iRollback)?"cannot rollback - no transaction is active": "cannot commit - no transaction is active")); - + rc = SQLITE_ERROR; goto abort_due_to_error; } @@ -87343,7 +88812,7 @@ case OP_AutoCommit: { ** ** Begin a transaction on database P1 if a transaction is not already ** active. -** If P2 is non-zero, then a write-transaction is started, or if a +** If P2 is non-zero, then a write-transaction is started, or if a ** read-transaction is already active, it is upgraded to a write-transaction. ** If P2 is zero, then a read-transaction is started. ** @@ -87400,13 +88869,14 @@ case OP_Transaction: { goto abort_due_to_error; } - if( pOp->p2 && p->usesStmtJournal - && (db->autoCommit==0 || db->nVdbeRead>1) + if( p->usesStmtJournal + && pOp->p2 + && (db->autoCommit==0 || db->nVdbeRead>1) ){ assert( sqlite3BtreeIsInTrans(pBt) ); if( p->iStatement==0 ){ assert( db->nStatement>=0 && db->nSavepoint>=0 ); - db->nStatement++; + db->nStatement++; p->iStatement = db->nSavepoint + db->nStatement; } @@ -87434,7 +88904,7 @@ case OP_Transaction: { */ sqlite3DbFree(db, p->zErrMsg); p->zErrMsg = sqlite3DbStrDup(db, "database schema has changed"); - /* If the schema-cookie from the database file matches the cookie + /* If the schema-cookie from the database file matches the cookie ** stored with the in-memory representation of the schema, do ** not reload the schema from the database file. ** @@ -87444,7 +88914,7 @@ case OP_Transaction: { ** prepared queries. If such a query is out-of-date, we do not want to ** discard the database schema, as the user code implementing the ** v-table would have to be ready for the sqlite3_vtab structure itself - ** to be invalidated whenever sqlite3_step() is called from within + ** to be invalidated whenever sqlite3_step() is called from within ** a v-table method. */ if( db->aDb[pOp->p1].pSchema->schema_cookie!=iMeta ){ @@ -87488,15 +88958,20 @@ case OP_ReadCookie: { /* out2 */ break; } -/* Opcode: SetCookie P1 P2 P3 * * +/* Opcode: SetCookie P1 P2 P3 * P5 ** ** Write the integer value P3 into cookie number P2 of database P1. ** P2==1 is the schema version. P2==2 is the database format. -** P2==3 is the recommended pager cache -** size, and so forth. P1==0 is the main database file and P1==1 is the +** P2==3 is the recommended pager cache +** size, and so forth. P1==0 is the main database file and P1==1 is the ** database file used to store temporary tables. ** ** A transaction must be started before executing this opcode. +** +** If P2 is the SCHEMA_VERSION cookie (cookie number 1) then the internal +** schema version is set to P3-P5. The "PRAGMA schema_version=N" statement +** has P5 set to 1, so that the internal schema version will be different +** from the database schema version, resulting in a schema reset. */ case OP_SetCookie: { Db *pDb; @@ -87513,7 +88988,7 @@ case OP_SetCookie: { rc = sqlite3BtreeUpdateMeta(pDb->pBt, pOp->p2, pOp->p3); if( pOp->p2==BTREE_SCHEMA_VERSION ){ /* When the schema cookie changes, record the new cookie internally */ - pDb->pSchema->schema_cookie = pOp->p3; + pDb->pSchema->schema_cookie = pOp->p3 - pOp->p5; db->mDbFlags |= DBFLAG_SchemaChange; }else if( pOp->p2==BTREE_FILE_FORMAT ){ /* Record changes in the file format */ @@ -87533,8 +89008,8 @@ case OP_SetCookie: { ** Synopsis: root=P2 iDb=P3 ** ** Open a read-only cursor for the database table whose root page is -** P2 in a database file. The database file is determined by P3. -** P3==0 means the main database, P3==1 means the database used for +** P2 in a database file. The database file is determined by P3. +** P3==0 means the main database, P3==1 means the database used for ** temporary tables, and P3>1 means used the corresponding attached ** database. Give the new cursor an identifier of P1. The P1 ** values need not be contiguous but all P1 values should be small integers. @@ -87544,14 +89019,14 @@ case OP_SetCookie: { ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT -** of OP_SeekLE/OP_IdxGT) +** of OP_SeekLE/OP_IdxLT) ** </ul> ** ** The P4 value may be either an integer (P4_INT32) or a pointer to -** a KeyInfo structure (P4_KEYINFO). If it is a pointer to a KeyInfo +** a KeyInfo structure (P4_KEYINFO). If it is a pointer to a KeyInfo ** object, then table being opened must be an [index b-tree] where the -** KeyInfo object defines the content and collating -** sequence of that index b-tree. Otherwise, if P4 is an integer +** KeyInfo object defines the content and collating +** sequence of that index b-tree. Otherwise, if P4 is an integer ** value, then the table being opened must be a [table b-tree] with a ** number of columns no less than the value of P4. ** @@ -87574,7 +89049,7 @@ case OP_SetCookie: { ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT -** of OP_SeekLE/OP_IdxGT) +** of OP_SeekLE/OP_IdxLT) ** </ul> ** ** See also: OP_OpenRead, OP_OpenWrite @@ -87587,10 +89062,10 @@ case OP_SetCookie: { ** OPFLAG_P2ISREG bit is set in P5 - see below). ** ** The P4 value may be either an integer (P4_INT32) or a pointer to -** a KeyInfo structure (P4_KEYINFO). If it is a pointer to a KeyInfo +** a KeyInfo structure (P4_KEYINFO). If it is a pointer to a KeyInfo ** object, then table being opened must be an [index b-tree] where the -** KeyInfo object defines the content and collating -** sequence of that index b-tree. Otherwise, if P4 is an integer +** KeyInfo object defines the content and collating +** sequence of that index b-tree. Otherwise, if P4 is an integer ** value, then the table being opened must be a [table b-tree] with a ** number of columns no less than the value of P4. ** @@ -87598,7 +89073,7 @@ case OP_SetCookie: { ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT -** of OP_SeekLE/OP_IdxGT) +** of OP_SeekLE/OP_IdxLT) ** <li> <b>0x08 OPFLAG_FORDELETE</b>: This cursor is used only to seek ** and subsequently delete entries in an index btree. This is a ** hint to the storage engine that the storage engine is allowed to @@ -87616,7 +89091,7 @@ case OP_SetCookie: { case OP_ReopenIdx: { int nField; KeyInfo *pKeyInfo; - int p2; + u32 p2; int iDb; int wrFlag; Btree *pX; @@ -87647,7 +89122,7 @@ case OP_OpenWrite: nField = 0; pKeyInfo = 0; - p2 = pOp->p2; + p2 = (u32)pOp->p2; iDb = pOp->p3; assert( iDb>=0 && iDb<db->nDb ); assert( DbMaskTest(p->btreeMask, iDb) ); @@ -87666,7 +89141,7 @@ case OP_OpenWrite: } if( pOp->p5 & OPFLAG_P2ISREG ){ assert( p2>0 ); - assert( p2<=(p->nMem+1 - p->nCursor) ); + assert( p2<=(u32)(p->nMem+1 - p->nCursor) ); assert( pOp->opcode==OP_OpenWrite ); pIn2 = &aMem[p2]; assert( memIsValid(pIn2) ); @@ -87703,16 +89178,14 @@ case OP_OpenWrite: /* Set the VdbeCursor.isTable variable. Previous versions of ** SQLite used to check if the root-page flags were sane at this point ** and report database corruption if they were not, but this check has - ** since moved into the btree layer. */ + ** since moved into the btree layer. */ pCur->isTable = pOp->p4type!=P4_KEYINFO; open_cursor_set_hints: assert( OPFLAG_BULKCSR==BTREE_BULKLOAD ); assert( OPFLAG_SEEKEQ==BTREE_SEEK_EQ ); testcase( pOp->p5 & OPFLAG_BULKCSR ); -#ifdef SQLITE_ENABLE_CURSOR_HINTS testcase( pOp->p2 & OPFLAG_SEEKEQ ); -#endif sqlite3BtreeCursorHintFlags(pCur->uc.pCursor, (pOp->p5 & (OPFLAG_BULKCSR|OPFLAG_SEEKEQ))); if( rc ) goto abort_due_to_error; @@ -87732,6 +89205,7 @@ case OP_OpenDup: { VdbeCursor *pCx; /* The new cursor */ pOrig = p->apCsr[pOp->p2]; + assert( pOrig ); assert( pOrig->pBtx!=0 ); /* Only ephemeral cursors can be duplicated */ pCx = allocateCursor(p, pOp->p1, pOrig->nField, -1, CURTYPE_BTREE); @@ -87756,7 +89230,7 @@ case OP_OpenDup: { ** Synopsis: nColumn=P2 ** ** Open a new cursor P1 to a transient table. -** The cursor is always opened read/write even if +** The cursor is always opened read/write even if ** the main database is read-only. The ephemeral ** table is deleted automatically when the cursor is closed. ** @@ -87781,12 +89255,12 @@ case OP_OpenDup: { ** by this opcode will be used for automatically created transient ** indices in joins. */ -case OP_OpenAutoindex: +case OP_OpenAutoindex: case OP_OpenEphemeral: { VdbeCursor *pCx; KeyInfo *pKeyInfo; - static const int vfsFlags = + static const int vfsFlags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE | @@ -87795,20 +89269,18 @@ case OP_OpenEphemeral: { assert( pOp->p1>=0 ); assert( pOp->p2>=0 ); pCx = p->apCsr[pOp->p1]; - if( pCx ){ + if( pCx && pCx->pBtx ){ /* If the ephermeral table is already open, erase all existing content ** so that the table is empty again, rather than creating a new table. */ assert( pCx->isEphemeral ); pCx->seqCount = 0; pCx->cacheStatus = CACHE_STALE; - if( pCx->pBtx ){ - rc = sqlite3BtreeClearTable(pCx->pBtx, pCx->pgnoRoot, 0); - } + rc = sqlite3BtreeClearTable(pCx->pBtx, pCx->pgnoRoot, 0); }else{ pCx = allocateCursor(p, pOp->p1, pOp->p2, -1, CURTYPE_BTREE); if( pCx==0 ) goto no_mem; pCx->isEphemeral = 1; - rc = sqlite3BtreeOpen(db->pVfs, 0, db, &pCx->pBtx, + rc = sqlite3BtreeOpen(db->pVfs, 0, db, &pCx->pBtx, BTREE_OMIT_JOURNAL | BTREE_SINGLE | pOp->p5, vfsFlags); if( rc==SQLITE_OK ){ @@ -87822,10 +89294,10 @@ case OP_OpenEphemeral: { */ if( (pCx->pKeyInfo = pKeyInfo = pOp->p4.pKeyInfo)!=0 ){ assert( pOp->p4type==P4_KEYINFO ); - rc = sqlite3BtreeCreateTable(pCx->pBtx, (int*)&pCx->pgnoRoot, - BTREE_BLOBKEY | pOp->p5); + rc = sqlite3BtreeCreateTable(pCx->pBtx, &pCx->pgnoRoot, + BTREE_BLOBKEY | pOp->p5); if( rc==SQLITE_OK ){ - assert( pCx->pgnoRoot==MASTER_ROOT+1 ); + assert( pCx->pgnoRoot==SCHEMA_ROOT+1 ); assert( pKeyInfo->db==db ); assert( pKeyInfo->enc==ENC(db) ); rc = sqlite3BtreeCursor(pCx->pBtx, pCx->pgnoRoot, BTREE_WRCSR, @@ -87833,8 +89305,8 @@ case OP_OpenEphemeral: { } pCx->isTable = 0; }else{ - pCx->pgnoRoot = MASTER_ROOT; - rc = sqlite3BtreeCursor(pCx->pBtx, MASTER_ROOT, BTREE_WRCSR, + pCx->pgnoRoot = SCHEMA_ROOT; + rc = sqlite3BtreeCursor(pCx->pBtx, SCHEMA_ROOT, BTREE_WRCSR, 0, pCx->uc.pCursor); pCx->isTable = 1; } @@ -87894,7 +89366,7 @@ case OP_SequenceTest: { ** ** Open a new cursor that points to a fake table that contains a single ** row of data. The content of that one row is the content of memory -** register P2. In other words, cursor P1 becomes an alias for the +** register P2. In other words, cursor P1 becomes an alias for the ** MEM_Blob content contained in register P2. ** ** A pseudo-table created by this opcode is used to hold a single @@ -87959,21 +89431,23 @@ case OP_ColumnsUsed: { /* Opcode: SeekGE P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** -** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), -** use the value in register P3 as the key. If cursor P1 refers -** to an SQL index, then P3 is the first in an array of P4 registers -** that are used as an unpacked index key. +** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), +** use the value in register P3 as the key. If cursor P1 refers +** to an SQL index, then P3 is the first in an array of P4 registers +** that are used as an unpacked index key. ** -** Reposition cursor P1 so that it points to the smallest entry that -** is greater than or equal to the key value. If there are no records +** Reposition cursor P1 so that it points to the smallest entry that +** is greater than or equal to the key value. If there are no records ** greater than or equal to the key and P2 is not zero, then jump to P2. ** ** If the cursor P1 was opened using the OPFLAG_SEEKEQ flag, then this -** opcode will always land on a record that equally equals the key, or -** else jump immediately to P2. When the cursor is OPFLAG_SEEKEQ, this -** opcode must be followed by an IdxLE opcode with the same arguments. -** The IdxLE opcode will be skipped if this opcode succeeds, but the -** IdxLE opcode will be used on subsequent loop iterations. +** opcode will either land on a record that exactly matches the key, or +** else it will cause a jump to P2. When the cursor is OPFLAG_SEEKEQ, +** this opcode must be followed by an IdxLE opcode with the same arguments. +** The IdxGT opcode will be skipped if this opcode succeeds, but the +** IdxGT opcode will be used on subsequent loop iterations. The +** OPFLAG_SEEKEQ flags is a hint to the btree layer to say that this +** is an equality search. ** ** This opcode leaves the cursor configured to move in forward order, ** from the beginning toward the end. In other words, the cursor is @@ -87984,13 +89458,13 @@ case OP_ColumnsUsed: { /* Opcode: SeekGT P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** -** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), -** use the value in register P3 as a key. If cursor P1 refers -** to an SQL index, then P3 is the first in an array of P4 registers -** that are used as an unpacked index key. +** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), +** use the value in register P3 as a key. If cursor P1 refers +** to an SQL index, then P3 is the first in an array of P4 registers +** that are used as an unpacked index key. ** -** Reposition cursor P1 so that it points to the smallest entry that -** is greater than the key value. If there are no records greater than +** Reposition cursor P1 so that it points to the smallest entry that +** is greater than the key value. If there are no records greater than ** the key and P2 is not zero, then jump to P2. ** ** This opcode leaves the cursor configured to move in forward order, @@ -87999,16 +89473,16 @@ case OP_ColumnsUsed: { ** ** See also: Found, NotFound, SeekLt, SeekGe, SeekLe */ -/* Opcode: SeekLT P1 P2 P3 P4 * +/* Opcode: SeekLT P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** -** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), -** use the value in register P3 as a key. If cursor P1 refers -** to an SQL index, then P3 is the first in an array of P4 registers -** that are used as an unpacked index key. +** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), +** use the value in register P3 as a key. If cursor P1 refers +** to an SQL index, then P3 is the first in an array of P4 registers +** that are used as an unpacked index key. ** -** Reposition cursor P1 so that it points to the largest entry that -** is less than the key value. If there are no records less than +** Reposition cursor P1 so that it points to the largest entry that +** is less than the key value. If there are no records less than ** the key and P2 is not zero, then jump to P2. ** ** This opcode leaves the cursor configured to move in reverse order, @@ -88020,13 +89494,13 @@ case OP_ColumnsUsed: { /* Opcode: SeekLE P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** -** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), -** use the value in register P3 as a key. If cursor P1 refers -** to an SQL index, then P3 is the first in an array of P4 registers -** that are used as an unpacked index key. +** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), +** use the value in register P3 as a key. If cursor P1 refers +** to an SQL index, then P3 is the first in an array of P4 registers +** that are used as an unpacked index key. ** -** Reposition cursor P1 so that it points to the largest entry that -** is less than or equal to the key value. If there are no records +** Reposition cursor P1 so that it points to the largest entry that +** is less than or equal to the key value. If there are no records ** less than or equal to the key and P2 is not zero, then jump to P2. ** ** This opcode leaves the cursor configured to move in reverse order, @@ -88034,11 +89508,13 @@ case OP_ColumnsUsed: { ** configured to use Prev, not Next. ** ** If the cursor P1 was opened using the OPFLAG_SEEKEQ flag, then this -** opcode will always land on a record that equally equals the key, or -** else jump immediately to P2. When the cursor is OPFLAG_SEEKEQ, this -** opcode must be followed by an IdxGE opcode with the same arguments. +** opcode will either land on a record that exactly matches the key, or +** else it will cause a jump to P2. When the cursor is OPFLAG_SEEKEQ, +** this opcode must be followed by an IdxLE opcode with the same arguments. ** The IdxGE opcode will be skipped if this opcode succeeds, but the -** IdxGE opcode will be used on subsequent loop iterations. +** IdxGE opcode will be used on subsequent loop iterations. The +** OPFLAG_SEEKEQ flags is a hint to the btree layer to say that this +** is an equality search. ** ** See also: Found, NotFound, SeekGt, SeekGe, SeekLt */ @@ -88075,7 +89551,7 @@ case OP_SeekGT: { /* jump, in3, group */ pC->cacheStatus = CACHE_STALE; if( pC->isTable ){ u16 flags3, newType; - /* The BTREE_SEEK_EQ flag is only set on index cursors */ + /* The OPFLAG_SEEKEQ/BTREE_SEEK_EQ flag is only set on index cursors */ assert( sqlite3BtreeCursorHasHint(pC->uc.pCursor, BTREE_SEEK_EQ)==0 || CORRUPT_DB ); @@ -88134,14 +89610,17 @@ case OP_SeekGT: { /* jump, in3, group */ goto abort_due_to_error; } }else{ - /* For a cursor with the BTREE_SEEK_EQ hint, only the OP_SeekGE and - ** OP_SeekLE opcodes are allowed, and these must be immediately followed - ** by an OP_IdxGT or OP_IdxLT opcode, respectively, with the same key. + /* For a cursor with the OPFLAG_SEEKEQ/BTREE_SEEK_EQ hint, only the + ** OP_SeekGE and OP_SeekLE opcodes are allowed, and these must be + ** immediately followed by an OP_IdxGT or OP_IdxLT opcode, respectively, + ** with the same key. */ if( sqlite3BtreeCursorHasHint(pC->uc.pCursor, BTREE_SEEK_EQ) ){ eqOnly = 1; assert( pOp->opcode==OP_SeekGE || pOp->opcode==OP_SeekLE ); assert( pOp[1].opcode==OP_IdxLT || pOp[1].opcode==OP_IdxGT ); + assert( pOp->opcode==OP_SeekGE || pOp[1].opcode==OP_IdxLT ); + assert( pOp->opcode==OP_SeekLE || pOp[1].opcode==OP_IdxGT ); assert( pOp[1].p1==pOp[0].p1 ); assert( pOp[1].p2==pOp[0].p2 ); assert( pOp[1].p3==pOp[0].p3 ); @@ -88250,6 +89729,20 @@ case OP_SeekHit: { break; } +/* Opcode: IfNotOpen P1 P2 * * * +** Synopsis: if( !csr[P1] ) goto P2 +** +** If cursor P1 is not open, jump to instruction P2. Otherwise, fall through. +*/ +case OP_IfNotOpen: { /* jump */ + assert( pOp->p1>=0 && pOp->p1<p->nCursor ); + VdbeBranchTaken(p->apCsr[pOp->p1]==0, 2); + if( !p->apCsr[pOp->p1] ){ + goto jump_to_p2_and_check_for_interrupt; + } + break; +} + /* Opcode: Found P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** @@ -88273,9 +89766,9 @@ case OP_SeekHit: { ** If P4==0 then register P3 holds a blob constructed by MakeRecord. If ** P4>0 then register P3 is the first of P4 registers that form an unpacked ** record. -** +** ** Cursor P1 is on an index btree. If the record identified by P3 and P4 -** is not the prefix of any entry in P1 then a jump is made to P2. If P1 +** is not the prefix of any entry in P1 then a jump is made to P2. If P1 ** does contain an entry whose prefix matches the P3/P4 record then control ** falls through to the next instruction and P1 is left pointing at the ** matching entry. @@ -88319,7 +89812,7 @@ case OP_SeekHit: { ** If P4==0 then register P3 holds a blob constructed by MakeRecord. If ** P4>0 then register P3 is the first of P4 registers that form an unpacked ** record. -** +** ** Cursor P1 is on an index btree. If the record identified by P3 and P4 ** contains any NULL value, jump immediately to P2. If all terms of the ** record are not-NULL then a check is done to determine if any row in the @@ -88343,6 +89836,7 @@ case OP_IfNoHope: { /* jump, in3 */ assert( pC!=0 ); if( pC->seekHit ) break; /* Fall through into OP_NotFound */ + /* no break */ deliberate_fall_through } case OP_NoConflict: /* jump, in3 */ case OP_NotFound: /* jump, in3 */ @@ -88431,9 +89925,9 @@ case OP_Found: { /* jump, in3 */ ** ** P1 is the index of a cursor open on an SQL table btree (with integer ** keys). If register P3 does not contain an integer or if P1 does not -** contain a record with rowid P3 then jump immediately to P2. +** contain a record with rowid P3 then jump immediately to P2. ** Or, if P2 is 0, raise an SQLITE_CORRUPT error. If P1 does contain -** a record with rowid P3 then +** a record with rowid P3 then ** leave the cursor pointing at that record and fall through to the next ** instruction. ** @@ -88456,7 +89950,7 @@ case OP_Found: { /* jump, in3 */ ** P1 is the index of a cursor open on an SQL table btree (with integer ** keys). P3 is an integer rowid. If P1 does not contain a record with ** rowid P3 then jump immediately to P2. Or, if P2 is 0, raise an -** SQLITE_CORRUPT error. If P1 does contain a record with rowid P3 then +** SQLITE_CORRUPT error. If P1 does contain a record with rowid P3 then ** leave the cursor pointing at that record and fall through to the next ** instruction. ** @@ -88497,6 +89991,7 @@ case OP_SeekRowid: { /* jump, in3 */ goto notExistsWithKey; } /* Fall through into OP_NotExists */ + /* no break */ deliberate_fall_through case OP_NotExists: /* jump, in3 */ pIn3 = &aMem[pOp->p3]; assert( (pIn3->flags & MEM_Int)!=0 || pOp->opcode==OP_SeekRowid ); @@ -88539,7 +90034,7 @@ notExistsWithKey: ** Find the next available sequence number for cursor P1. ** Write the sequence number into register P2. ** The sequence number on the cursor is incremented after this -** instruction. +** instruction. */ case OP_Sequence: { /* out2 */ assert( pOp->p1>=0 && pOp->p1<p->nCursor ); @@ -88559,9 +90054,9 @@ case OP_Sequence: { /* out2 */ ** table that cursor P1 points to. The new record number is written ** written to register P2. ** -** If P3>0 then P3 is a register in the root frame of this VDBE that holds +** If P3>0 then P3 is a register in the root frame of this VDBE that holds ** the largest previously generated record number. No new record numbers are -** allowed to be less than this value. When this value reaches its maximum, +** allowed to be less than this value. When this value reaches its maximum, ** an SQLITE_FULL error is generated. The P3 register is updated with the ' ** generated record number. This P3 mechanism is used to help implement the ** AUTOINCREMENT feature. @@ -88710,8 +90205,8 @@ case OP_NewRowid: { /* out2 */ ** is part of an INSERT operation. The difference is only important to ** the update hook. ** -** Parameter P4 may point to a Table structure, or may be NULL. If it is -** not NULL, then the update-hook (sqlite3.xUpdateCallback) is invoked +** Parameter P4 may point to a Table structure, or may be NULL. If it is +** not NULL, then the update-hook (sqlite3.xUpdateCallback) is invoked ** following a successful insert. ** ** (WARNING/TODO: If P1 is a pseudo-cursor and P2 is dynamically @@ -88738,6 +90233,7 @@ case OP_Insert: { pC = p->apCsr[pOp->p1]; assert( pC!=0 ); assert( pC->eCurType==CURTYPE_BTREE ); + assert( pC->deferredMoveto==0 ); assert( pC->uc.pCursor!=0 ); assert( (pOp->p5 & OPFLAG_ISNOOP) || pC->isTable ); assert( pOp->p4type==P4_TABLE || pOp->p4type>=P4_STATIC ); @@ -88812,7 +90308,7 @@ case OP_Insert: { ** the cursor will be left pointing at either the next or the previous ** record in the table. If it is left pointing at the next record, then ** the next Next instruction will be a no-op. As a result, in this case -** it is ok to delete a record from within a Next loop. If +** it is ok to delete a record from within a Next loop. If ** OPFLAG_SAVEPOSITION bit of P5 is clear, then the cursor will be ** left in an undefined state. ** @@ -88828,11 +90324,11 @@ case OP_Insert: { ** P1 must not be pseudo-table. It has to be a real table with ** multiple rows. ** -** If P4 is not NULL then it points to a Table object. In this case either +** If P4 is not NULL then it points to a Table object. In this case either ** the update or pre-update hook, or both, may be invoked. The P1 cursor must -** have been positioned using OP_NotFound prior to invoking this opcode in -** this case. Specifically, if one is configured, the pre-update hook is -** invoked if P4 is not NULL. The update-hook is invoked if one is configured, +** have been positioned using OP_NotFound prior to invoking this opcode in +** this case. Specifically, if one is configured, the pre-update hook is +** invoked if P4 is not NULL. The update-hook is invoked if one is configured, ** P4 is not NULL, and the OPFLAG_NCHANGE flag is set in P2. ** ** If the OPFLAG_ISUPDATE flag is set in P2, then P3 contains the address @@ -88855,7 +90351,11 @@ case OP_Delete: { sqlite3VdbeIncrWriteCounter(p, pC); #ifdef SQLITE_DEBUG - if( pOp->p4type==P4_TABLE && HasRowid(pOp->p4.pTab) && pOp->p5==0 ){ + if( pOp->p4type==P4_TABLE + && HasRowid(pOp->p4.pTab) + && pOp->p5==0 + && sqlite3BtreeCursorIsValidNN(pC->uc.pCursor) + ){ /* If p5 is zero, the seek operation that positioned the cursor prior to ** OP_Delete will have also set the pC->movetoTarget field to the rowid of ** the row that is being deleted */ @@ -88867,7 +90367,7 @@ case OP_Delete: { /* If the update-hook or pre-update-hook will be invoked, set zDb to ** the name of the db to pass as to it. Also set local pTab to a copy ** of p4.pTab. Finally, if p5 is true, indicating that this cursor was - ** last moved with OP_Next or OP_Prev, not Seek or NotFound, set + ** last moved with OP_Next or OP_Prev, not Seek or NotFound, set ** VdbeCursor.movetoTarget to the current rowid. */ if( pOp->p4type==P4_TABLE && HAS_UPDATE_HOOK(db) ){ assert( pC->iDb>=0 ); @@ -88885,20 +90385,20 @@ case OP_Delete: { #ifdef SQLITE_ENABLE_PREUPDATE_HOOK /* Invoke the pre-update-hook if required. */ if( db->xPreUpdateCallback && pOp->p4.pTab ){ - assert( !(opflags & OPFLAG_ISUPDATE) - || HasRowid(pTab)==0 - || (aMem[pOp->p3].flags & MEM_Int) + assert( !(opflags & OPFLAG_ISUPDATE) + || HasRowid(pTab)==0 + || (aMem[pOp->p3].flags & MEM_Int) ); sqlite3VdbePreUpdateHook(p, pC, - (opflags & OPFLAG_ISUPDATE) ? SQLITE_UPDATE : SQLITE_DELETE, + (opflags & OPFLAG_ISUPDATE) ? SQLITE_UPDATE : SQLITE_DELETE, zDb, pTab, pC->movetoTarget, pOp->p3 ); } if( opflags & OPFLAG_ISNOOP ) break; #endif - - /* Only flags that can be set are SAVEPOISTION and AUXDELETE */ + + /* Only flags that can be set are SAVEPOISTION and AUXDELETE */ assert( (pOp->p5 & ~(OPFLAG_SAVEPOSITION|OPFLAG_AUXDELETE))==0 ); assert( OPFLAG_SAVEPOSITION==BTREE_SAVEPOSITION ); assert( OPFLAG_AUXDELETE==BTREE_AUXDELETE ); @@ -88951,7 +90451,7 @@ case OP_ResetCount: { ** Synopsis: if key(P1)!=trim(r[P3],P4) goto P2 ** ** P1 is a sorter cursor. This instruction compares a prefix of the -** record blob in register P3 against a prefix of the entry that +** record blob in register P3 against a prefix of the entry that ** the sorter cursor currently points to. Only the first P4 fields ** of r[P3] and the sorter record are compared. ** @@ -89009,10 +90509,10 @@ case OP_SorterData: { /* Opcode: RowData P1 P2 P3 * * ** Synopsis: r[P2]=data ** -** Write into register P2 the complete row content for the row at +** Write into register P2 the complete row content for the row at ** which cursor P1 is currently pointing. -** There is no interpretation of the data. -** It is just copied onto the P2 register exactly as +** There is no interpretation of the data. +** It is just copied onto the P2 register exactly as ** it is found in the database file. ** ** If cursor P1 is an index, then the content is the key of the row. @@ -89060,17 +90560,13 @@ case OP_RowData: { */ assert( pC->deferredMoveto==0 ); assert( sqlite3BtreeCursorIsValid(pCrsr) ); -#if 0 /* Not required due to the previous to assert() statements */ - rc = sqlite3VdbeCursorMoveto(pC); - if( rc!=SQLITE_OK ) goto abort_due_to_error; -#endif n = sqlite3BtreePayloadSize(pCrsr); if( n>(u32)db->aLimit[SQLITE_LIMIT_LENGTH] ){ goto too_big; } testcase( n==0 ); - rc = sqlite3VdbeMemFromBtree(pCrsr, 0, n, pOut); + rc = sqlite3VdbeMemFromBtreeZeroOffset(pCrsr, n, pOut); if( rc ) goto abort_due_to_error; if( !pOp->p3 ) Deephemeralize(pOut); UPDATE_MAX_BLOBSIZE(pOut); @@ -89165,7 +90661,7 @@ case OP_NullRow: { */ /* Opcode: Last P1 P2 * * * ** -** The next use of the Rowid or Column or Prev instruction for P1 +** The next use of the Rowid or Column or Prev instruction for P1 ** will refer to the last entry in the database table or index. ** If the table or index is empty and P2>0, then jump immediately to P2. ** If P2 is 0 or if the table or index is not empty, fall through @@ -89267,13 +90763,14 @@ case OP_Sort: { /* jump */ #endif p->aCounter[SQLITE_STMTSTATUS_SORT]++; /* Fall through into OP_Rewind */ + /* no break */ deliberate_fall_through } /* Opcode: Rewind P1 P2 * * * ** -** The next use of the Rowid or Column or Next instruction for P1 +** The next use of the Rowid or Column or Next instruction for P1 ** will refer to the first entry in the database table or index. ** If the table or index is empty, jump immediately to P2. -** If the table or index is not empty, fall through to the following +** If the table or index is not empty, fall through to the following ** instruction. ** ** This opcode leaves the cursor configured to move in forward order, @@ -89443,11 +90940,41 @@ next_tail: ** run faster by avoiding an unnecessary seek on cursor P1. However, ** the OPFLAG_USESEEKRESULT flag must only be set if there have been no prior ** seeks on the cursor or if the most recent seek used a key equivalent -** to P2. +** to P2. ** ** This instruction only works for indices. The equivalent instruction ** for tables is OP_Insert. */ +case OP_IdxInsert: { /* in2 */ + VdbeCursor *pC; + BtreePayload x; + + assert( pOp->p1>=0 && pOp->p1<p->nCursor ); + pC = p->apCsr[pOp->p1]; + sqlite3VdbeIncrWriteCounter(p, pC); + assert( pC!=0 ); + assert( !isSorter(pC) ); + pIn2 = &aMem[pOp->p2]; + assert( pIn2->flags & MEM_Blob ); + if( pOp->p5 & OPFLAG_NCHANGE ) p->nChange++; + assert( pC->eCurType==CURTYPE_BTREE ); + assert( pC->isTable==0 ); + rc = ExpandBlob(pIn2); + if( rc ) goto abort_due_to_error; + x.nKey = pIn2->n; + x.pKey = pIn2->z; + x.aMem = aMem + pOp->p3; + x.nMem = (u16)pOp->p4.i; + rc = sqlite3BtreeInsert(pC->uc.pCursor, &x, + (pOp->p5 & (OPFLAG_APPEND|OPFLAG_SAVEPOSITION)), + ((pOp->p5 & OPFLAG_USESEEKRESULT) ? pC->seekResult : 0) + ); + assert( pC->deferredMoveto==0 ); + pC->cacheStatus = CACHE_STALE; + if( rc) goto abort_due_to_error; + break; +} + /* Opcode: SorterInsert P1 P2 * * * ** Synopsis: key=r[P2] ** @@ -89455,47 +90982,37 @@ next_tail: ** MakeRecord instructions. This opcode writes that key ** into the sorter P1. Data for the entry is nil. */ -case OP_SorterInsert: /* in2 */ -case OP_IdxInsert: { /* in2 */ +case OP_SorterInsert: { /* in2 */ VdbeCursor *pC; - BtreePayload x; assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; sqlite3VdbeIncrWriteCounter(p, pC); assert( pC!=0 ); - assert( isSorter(pC)==(pOp->opcode==OP_SorterInsert) ); + assert( isSorter(pC) ); pIn2 = &aMem[pOp->p2]; assert( pIn2->flags & MEM_Blob ); - if( pOp->p5 & OPFLAG_NCHANGE ) p->nChange++; - assert( pC->eCurType==CURTYPE_BTREE || pOp->opcode==OP_SorterInsert ); assert( pC->isTable==0 ); rc = ExpandBlob(pIn2); if( rc ) goto abort_due_to_error; - if( pOp->opcode==OP_SorterInsert ){ - rc = sqlite3VdbeSorterWrite(pC, pIn2); - }else{ - x.nKey = pIn2->n; - x.pKey = pIn2->z; - x.aMem = aMem + pOp->p3; - x.nMem = (u16)pOp->p4.i; - rc = sqlite3BtreeInsert(pC->uc.pCursor, &x, - (pOp->p5 & (OPFLAG_APPEND|OPFLAG_SAVEPOSITION)), - ((pOp->p5 & OPFLAG_USESEEKRESULT) ? pC->seekResult : 0) - ); - assert( pC->deferredMoveto==0 ); - pC->cacheStatus = CACHE_STALE; - } + rc = sqlite3VdbeSorterWrite(pC, pIn2); if( rc) goto abort_due_to_error; break; } -/* Opcode: IdxDelete P1 P2 P3 * * +/* Opcode: IdxDelete P1 P2 P3 * P5 ** Synopsis: key=r[P2@P3] ** ** The content of P3 registers starting at register P2 form -** an unpacked index key. This opcode removes that entry from the +** an unpacked index key. This opcode removes that entry from the ** index opened by cursor P1. +** +** If P5 is not zero, then raise an SQLITE_CORRUPT_INDEX error +** if no matching index entry is found. This happens when running +** an UPDATE or DELETE statement and the index entry to be updated +** or deleted is not found. For some uses of IdxDelete +** (example: the EXCEPT operator) it does not matter that no matching +** entry is found. For those cases, P5 is zero. */ case OP_IdxDelete: { VdbeCursor *pC; @@ -89512,7 +91029,6 @@ case OP_IdxDelete: { sqlite3VdbeIncrWriteCounter(p, pC); pCrsr = pC->uc.pCursor; assert( pCrsr!=0 ); - assert( pOp->p5==0 ); r.pKeyInfo = pC->pKeyInfo; r.nField = (u16)pOp->p3; r.default_rc = 0; @@ -89522,6 +91038,9 @@ case OP_IdxDelete: { if( res==0 ){ rc = sqlite3BtreeDelete(pCrsr, BTREE_AUXDELETE); if( rc ) goto abort_due_to_error; + }else if( pOp->p5 ){ + rc = SQLITE_CORRUPT_INDEX; + goto abort_due_to_error; } assert( pC->deferredMoveto==0 ); pC->cacheStatus = CACHE_STALE; @@ -89542,8 +91061,8 @@ case OP_IdxDelete: { ** ** P4 may be an array of integers (type P4_INTARRAY) containing ** one entry for each column in the P3 table. If array entry a(i) -** is non-zero, then reading column a(i)-1 from cursor P3 is -** equivalent to performing the deferred seek and then reading column i +** is non-zero, then reading column a(i)-1 from cursor P3 is +** equivalent to performing the deferred seek and then reading column i ** from P1. This information is stored in P3 and used to redirect ** reads against P3 over to P1, thus possibly avoiding the need to ** seek and read cursor P3. @@ -89611,12 +91130,30 @@ case OP_IdxRowid: { /* out2 */ break; } +/* Opcode: FinishSeek P1 * * * * +** +** If cursor P1 was previously moved via OP_DeferredSeek, complete that +** seek operation now, without further delay. If the cursor seek has +** already occurred, this instruction is a no-op. +*/ +case OP_FinishSeek: { + VdbeCursor *pC; /* The P1 index cursor */ + + assert( pOp->p1>=0 && pOp->p1<p->nCursor ); + pC = p->apCsr[pOp->p1]; + if( pC->deferredMoveto ){ + rc = sqlite3VdbeFinishMoveto(pC); + if( rc ) goto abort_due_to_error; + } + break; +} + /* Opcode: IdxGE P1 P2 P3 P4 P5 ** Synopsis: key=r[P3@P4] ** -** The P4 register values beginning with P3 form an unpacked index -** key that omits the PRIMARY KEY. Compare this key value against the index -** that P1 is currently pointing to, ignoring the PRIMARY KEY or ROWID +** The P4 register values beginning with P3 form an unpacked index +** key that omits the PRIMARY KEY. Compare this key value against the index +** that P1 is currently pointing to, ignoring the PRIMARY KEY or ROWID ** fields at the end. ** ** If the P1 index entry is greater than or equal to the key value @@ -89625,9 +91162,9 @@ case OP_IdxRowid: { /* out2 */ /* Opcode: IdxGT P1 P2 P3 P4 P5 ** Synopsis: key=r[P3@P4] ** -** The P4 register values beginning with P3 form an unpacked index -** key that omits the PRIMARY KEY. Compare this key value against the index -** that P1 is currently pointing to, ignoring the PRIMARY KEY or ROWID +** The P4 register values beginning with P3 form an unpacked index +** key that omits the PRIMARY KEY. Compare this key value against the index +** that P1 is currently pointing to, ignoring the PRIMARY KEY or ROWID ** fields at the end. ** ** If the P1 index entry is greater than the key value @@ -89636,7 +91173,7 @@ case OP_IdxRowid: { /* out2 */ /* Opcode: IdxLT P1 P2 P3 P4 P5 ** Synopsis: key=r[P3@P4] ** -** The P4 register values beginning with P3 form an unpacked index +** The P4 register values beginning with P3 form an unpacked index ** key that omits the PRIMARY KEY or ROWID. Compare this key value against ** the index that P1 is currently pointing to, ignoring the PRIMARY KEY or ** ROWID on the P1 index. @@ -89647,7 +91184,7 @@ case OP_IdxRowid: { /* out2 */ /* Opcode: IdxLE P1 P2 P3 P4 P5 ** Synopsis: key=r[P3@P4] ** -** The P4 register values beginning with P3 form an unpacked index +** The P4 register values beginning with P3 form an unpacked index ** key that omits the PRIMARY KEY or ROWID. Compare this key value against ** the index that P1 is currently pointing to, ignoring the PRIMARY KEY or ** ROWID on the P1 index. @@ -89721,15 +91258,15 @@ case OP_IdxGE: { /* jump */ ** root pages contiguous at the beginning of the database. The former ** value of the root page that moved - its value before the move occurred - ** is stored in register P2. If no page movement was required (because the -** table being dropped was already the last one in the database) then a -** zero is stored in register P2. If AUTOVACUUM is disabled then a zero +** table being dropped was already the last one in the database) then a +** zero is stored in register P2. If AUTOVACUUM is disabled then a zero ** is stored in register P2. ** ** This opcode throws an error if there are any active reader VMs when -** it is invoked. This is done to avoid the difficulty associated with -** updating existing cursors when a root page is moved in an AUTOVACUUM -** database. This error is thrown even if the database is not an AUTOVACUUM -** db in order to avoid introducing an incompatibility between autovacuum +** it is invoked. This is done to avoid the difficulty associated with +** updating existing cursors when a root page is moved in an AUTOVACUUM +** database. This error is thrown even if the database is not an AUTOVACUUM +** db in order to avoid introducing an incompatibility between autovacuum ** and non-autovacuum modes. ** ** See also: Clear @@ -89778,8 +91315,8 @@ case OP_Destroy: { /* out2 */ ** that is used to store tables create using CREATE TEMPORARY TABLE. ** ** If the P3 value is non-zero, then the table referred to must be an -** intkey table (an SQL table, not an index). In this case the row change -** count is incremented by the number of rows in the table being cleared. +** intkey table (an SQL table, not an index). In this case the row change +** count is incremented by the number of rows in the table being cleared. ** If P3 is greater than zero, then the value stored in register P3 is ** also incremented by the number of rows in the table being cleared. ** @@ -89787,13 +91324,13 @@ case OP_Destroy: { /* out2 */ */ case OP_Clear: { int nChange; - + sqlite3VdbeIncrWriteCounter(p, 0); nChange = 0; assert( p->readOnly==0 ); assert( DbMaskTest(p->btreeMask, pOp->p2) ); rc = sqlite3BtreeClearTable( - db->aDb[pOp->p2].pBt, pOp->p1, (pOp->p3 ? &nChange : 0) + db->aDb[pOp->p2].pBt, (u32)pOp->p1, (pOp->p3 ? &nChange : 0) ); if( pOp->p3 ){ p->nChange += nChange; @@ -89817,7 +91354,7 @@ case OP_Clear: { */ case OP_ResetSorter: { VdbeCursor *pC; - + assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); @@ -89842,7 +91379,7 @@ case OP_ResetSorter: { ** The root page number of the new b-tree is stored in register P2. */ case OP_CreateBtree: { /* out2 */ - int pgno; + Pgno pgno; Db *pDb; sqlite3VdbeIncrWriteCounter(p, 0); @@ -89875,7 +91412,7 @@ case OP_SqlExec: { /* Opcode: ParseSchema P1 * * P4 * ** -** Read and parse all entries from the SQLITE_MASTER table of database P1 +** Read and parse all entries from the schema table of database P1 ** that match the WHERE clause P4. If P4 is a NULL pointer, then the ** entire schema for P1 is reparsed. ** @@ -89884,12 +91421,12 @@ case OP_SqlExec: { */ case OP_ParseSchema: { int iDb; - const char *zMaster; + const char *zSchema; char *zSql; InitData initData; /* Any prepared statement that invokes this opcode will hold mutexes - ** on every btree. This is a prerequisite for invoking + ** on every btree. This is a prerequisite for invoking ** sqlite3InitCallback(). */ #ifdef SQLITE_DEBUG @@ -89912,14 +91449,15 @@ case OP_ParseSchema: { }else #endif { - zMaster = MASTER_NAME; + zSchema = DFLT_SCHEMA_TABLE; initData.db = db; initData.iDb = iDb; initData.pzErrMsg = &p->zErrMsg; initData.mInitFlags = 0; + initData.mxPage = sqlite3BtreeLastPage(db->aDb[iDb].pBt); zSql = sqlite3MPrintf(db, "SELECT*FROM\"%w\".%s WHERE %s ORDER BY rowid", - db->aDb[iDb].zDbSName, zMaster, pOp->p4.z); + db->aDb[iDb].zDbSName, zSchema, pOp->p4.z); if( zSql==0 ){ rc = SQLITE_NOMEM_BKPT; }else{ @@ -89933,7 +91471,7 @@ case OP_ParseSchema: { if( rc==SQLITE_OK && initData.nInitRow==0 ){ /* The OP_ParseSchema opcode with a non-NULL P4 argument should parse ** at least one SQL statement. Any less than that indicates that - ** the sqlite_master table is corrupt. */ + ** the sqlite_schema table is corrupt. */ rc = SQLITE_CORRUPT_BKPT; } sqlite3DbFreeNN(db, zSql); @@ -89947,7 +91485,7 @@ case OP_ParseSchema: { } goto abort_due_to_error; } - break; + break; } #if !defined(SQLITE_OMIT_ANALYZE) @@ -89961,7 +91499,7 @@ case OP_LoadAnalysis: { assert( pOp->p1>=0 && pOp->p1<db->nDb ); rc = sqlite3AnalysisLoad(db, pOp->p1); if( rc ) goto abort_due_to_error; - break; + break; } #endif /* !defined(SQLITE_OMIT_ANALYZE) */ @@ -89969,7 +91507,7 @@ case OP_LoadAnalysis: { ** ** Remove the internal (in-memory) data structures that describe ** the table named P4 in database P1. This is called after a table -** is dropped from disk (using the Destroy opcode) in order to keep +** is dropped from disk (using the Destroy opcode) in order to keep ** the internal representation of the ** schema consistent with what is on disk. */ @@ -89997,7 +91535,7 @@ case OP_DropIndex: { ** ** Remove the internal (in-memory) data structures that describe ** the trigger named P4 in database P1. This is called after a trigger -** is dropped from disk (using the Destroy opcode) in order to keep +** is dropped from disk (using the Destroy opcode) in order to keep ** the internal representation of the ** schema consistent with what is on disk. */ @@ -90017,7 +91555,7 @@ case OP_DropTrigger: { ** ** The register P3 contains one less than the maximum number of allowed errors. ** At most reg(P3) errors will be reported. -** In other words, the analysis stops as soon as reg(P1) errors are +** In other words, the analysis stops as soon as reg(P1) errors are ** seen. Reg(P1) is updated with the number of errors remaining. ** ** The root page numbers of all tables in the database are integers @@ -90030,7 +91568,7 @@ case OP_DropTrigger: { */ case OP_IntegrityCk: { int nRoot; /* Number of tables to check. (Number of root pages.) */ - int *aRoot; /* Array of rootpage numbers for tables to be checked */ + Pgno *aRoot; /* Array of rootpage numbers for tables to be checked */ int nErr; /* Number of errors reported */ char *z; /* Text of the error report */ Mem *pnErr; /* Register keeping track of errors remaining */ @@ -90039,7 +91577,7 @@ case OP_IntegrityCk: { nRoot = pOp->p2; aRoot = pOp->p4.ai; assert( nRoot>0 ); - assert( aRoot[0]==nRoot ); + assert( aRoot[0]==(Pgno)nRoot ); assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); pnErr = &aMem[pOp->p3]; assert( (pnErr->flags & MEM_Int)!=0 ); @@ -90047,7 +91585,7 @@ case OP_IntegrityCk: { pIn1 = &aMem[pOp->p1]; assert( pOp->p5<db->nDb ); assert( DbMaskTest(p->btreeMask, pOp->p5) ); - z = sqlite3BtreeIntegrityCheck(db->aDb[pOp->p5].pBt, &aRoot[1], nRoot, + z = sqlite3BtreeIntegrityCheck(db, db->aDb[pOp->p5].pBt, &aRoot[1], nRoot, (int)pnErr->u.i+1, &nErr); sqlite3VdbeMemSetNull(pIn1); if( nErr==0 ){ @@ -90060,7 +91598,7 @@ case OP_IntegrityCk: { } UPDATE_MAX_BLOBSIZE(pIn1); sqlite3VdbeChangeEncoding(pIn1, encoding); - break; + goto check_for_interrupt; } #endif /* SQLITE_OMIT_INTEGRITY_CHECK */ @@ -90097,7 +91635,7 @@ case OP_RowSetRead: { /* jump, in1, out3 */ pIn1 = &aMem[pOp->p1]; assert( (pIn1->flags & MEM_Blob)==0 || sqlite3VdbeMemIsRowSet(pIn1) ); - if( (pIn1->flags & MEM_Blob)==0 + if( (pIn1->flags & MEM_Blob)==0 || sqlite3RowSetNext((RowSet*)pIn1->z, &val)==0 ){ /* The boolean index is empty */ @@ -90169,13 +91707,13 @@ case OP_RowSetTest: { /* jump, in1, in3 */ /* Opcode: Program P1 P2 P3 P4 P5 ** -** Execute the trigger program passed as P4 (type P4_SUBPROGRAM). +** Execute the trigger program passed as P4 (type P4_SUBPROGRAM). ** -** P1 contains the address of the memory cell that contains the first memory -** cell in an array of values used as arguments to the sub-program. P2 -** contains the address to jump to if the sub-program throws an IGNORE -** exception using the RAISE() function. Register P3 contains the address -** of a memory cell in this (the parent) VM that is used to allocate the +** P1 contains the address of the memory cell that contains the first memory +** cell in an array of values used as arguments to the sub-program. P2 +** contains the address to jump to if the sub-program throws an IGNORE +** exception using the RAISE() function. Register P3 contains the address +** of a memory cell in this (the parent) VM that is used to allocate the ** memory required by the sub-vdbe at runtime. ** ** P4 is a pointer to the VM containing the trigger program. @@ -90195,17 +91733,17 @@ case OP_Program: { /* jump */ pProgram = pOp->p4.pProgram; pRt = &aMem[pOp->p3]; assert( pProgram->nOp>0 ); - - /* If the p5 flag is clear, then recursive invocation of triggers is + + /* If the p5 flag is clear, then recursive invocation of triggers is ** disabled for backwards compatibility (p5 is set if this sub-program ** is really a trigger, not a foreign key action, and the flag set ** and cleared by the "PRAGMA recursive_triggers" command is clear). - ** - ** It is recursive invocation of triggers, at the SQL level, that is - ** disabled. In some cases a single trigger may generate more than one - ** SubProgram (if the trigger may be executed with more than one different + ** + ** It is recursive invocation of triggers, at the SQL level, that is + ** disabled. In some cases a single trigger may generate more than one + ** SubProgram (if the trigger may be executed with more than one different ** ON CONFLICT algorithm). SubProgram structures associated with a - ** single trigger all have the same value for the SubProgram.token + ** single trigger all have the same value for the SubProgram.token ** variable. */ if( pOp->p5 ){ t = pProgram->token; @@ -90221,10 +91759,10 @@ case OP_Program: { /* jump */ /* Register pRt is used to store the memory required to save the state ** of the current program, and the memory required at runtime to execute - ** the trigger program. If this trigger has been fired before, then pRt + ** the trigger program. If this trigger has been fired before, then pRt ** is already allocated. Otherwise, it must be initialized. */ if( (pRt->flags&MEM_Blob)==0 ){ - /* SubProgram.nMem is set to the number of memory cells used by the + /* SubProgram.nMem is set to the number of memory cells used by the ** program stored in SubProgram.aOp. As well as these, one memory ** cell is required for each cursor used by the program. Set local ** variable nMem (and later, VdbeFrame.nChildMem) to this value. @@ -90272,7 +91810,7 @@ case OP_Program: { /* jump */ }else{ pFrame = (VdbeFrame*)pRt->z; assert( pRt->xDel==sqlite3VdbeFrameMemDel ); - assert( pProgram->nMem+pProgram->nCsr==pFrame->nChildMem + assert( pProgram->nMem+pProgram->nCsr==pFrame->nChildMem || (pProgram->nCsr==0 && pProgram->nMem+1==pFrame->nChildMem) ); assert( pProgram->nCsr==pFrame->nChildCsr ); assert( (int)(pOp - aOp)==pFrame->pc ); @@ -90306,7 +91844,7 @@ case OP_Program: { /* jump */ int i; for(i=0; i<p->nMem; i++){ aMem[i].pScopyFrom = 0; /* Prevent false-positive AboutToChange() errs */ - aMem[i].flags |= MEM_Undefined; /* Cause a fault if this reg is reused */ + MemSetTypeFlag(&aMem[i], MEM_Undefined); /* Fault if this reg is reused */ } } #endif @@ -90316,10 +91854,10 @@ case OP_Program: { /* jump */ /* Opcode: Param P1 P2 * * * ** -** This opcode is only ever present in sub-programs called via the -** OP_Program instruction. Copy a value currently stored in a memory -** cell of the calling (parent) frame to cell P2 in the current frames -** address space. This is used by trigger programs to access the new.* +** This opcode is only ever present in sub-programs called via the +** OP_Program instruction. Copy a value currently stored in a memory +** cell of the calling (parent) frame to cell P2 in the current frames +** address space. This is used by trigger programs to access the new.* ** and old.* values. ** ** The address of the cell in the parent frame is determined by adding @@ -90331,7 +91869,7 @@ case OP_Param: { /* out2 */ Mem *pIn; pOut = out2Prerelease(p, pOp); pFrame = p->pFrame; - pIn = &pFrame->aMem[pOp->p1 + pFrame->aOp[pFrame->pc].p1]; + pIn = &pFrame->aMem[pOp->p1 + pFrame->aOp[pFrame->pc].p1]; sqlite3VdbeMemShallowCopy(pOut, pIn, MEM_Ephem); break; } @@ -90343,8 +91881,8 @@ case OP_Param: { /* out2 */ ** Synopsis: fkctr[P1]+=P2 ** ** Increment a "constraint counter" by P2 (P2 may be negative or positive). -** If P1 is non-zero, the database constraint counter is incremented -** (deferred foreign key constraints). Otherwise, if P1 is zero, the +** If P1 is non-zero, the database constraint counter is incremented +** (deferred foreign key constraints). Otherwise, if P1 is zero, the ** statement counter is incremented (immediate foreign key constraints). */ case OP_FkCounter: { @@ -90362,7 +91900,7 @@ case OP_FkCounter: { ** Synopsis: if fkctr[P1]==0 goto P2 ** ** This opcode tests if a foreign key constraint-counter is currently zero. -** If so, jump to instruction P2. Otherwise, fall through to the next +** If so, jump to instruction P2. Otherwise, fall through to the next ** instruction. ** ** If P1 is non-zero, then the jump is taken if the database constraint-counter @@ -90388,7 +91926,7 @@ case OP_FkIfZero: { /* jump */ ** ** P1 is a register in the root frame of this VM (the root frame is ** different from the current frame if this instruction is being executed -** within a sub-program). Set the value of register P1 to the maximum of +** within a sub-program). Set the value of register P1 to the maximum of ** its current value and the value in register P2. ** ** This instruction throws an error if the memory cell is not initially @@ -90448,7 +91986,7 @@ case OP_IfPos: { /* jump, in1 */ ** and r[P2] is set to be the value of the LIMIT, r[P1]. ** ** if r[P1] is zero or negative, that means there is no LIMIT -** and r[P2] is set to -1. +** and r[P2] is set to -1. ** ** Otherwise, r[P2] is set to the sum of r[P1] and r[P3]. */ @@ -90480,7 +92018,7 @@ case OP_OffsetLimit: { /* in1, out2, in3 */ ** ** Register P1 must contain an integer. If the content of register P1 is ** initially greater than zero, then decrement the value in register P1. -** If it is non-zero (negative or positive) and then also jump to P2. +** If it is non-zero (negative or positive) and then also jump to P2. ** If register P1 is initially zero, leave it unchanged and fall through. */ case OP_IfNotZero: { /* jump, in1 */ @@ -90514,7 +92052,7 @@ case OP_DecrJumpZero: { /* jump, in1 */ ** Synopsis: accum=r[P3] step(r[P2@P5]) ** ** Execute the xStep function for an aggregate. -** The function has P5 arguments. P4 is a pointer to the +** The function has P5 arguments. P4 is a pointer to the ** FuncDef structure that specifies the function. Register P3 is the ** accumulator. ** @@ -90525,7 +92063,7 @@ case OP_DecrJumpZero: { /* jump, in1 */ ** Synopsis: accum=r[P3] inverse(r[P2@P5]) ** ** Execute the xInverse function for an aggregate. -** The function has P5 arguments. P4 is a pointer to the +** The function has P5 arguments. P4 is a pointer to the ** FuncDef structure that specifies the function. Register P3 is the ** accumulator. ** @@ -90536,7 +92074,7 @@ case OP_DecrJumpZero: { /* jump, in1 */ ** Synopsis: accum=r[P3] step(r[P2@P5]) ** ** Execute the xStep (if P1==0) or xInverse (if P1!=0) function for an -** aggregate. The function has P5 arguments. P4 is a pointer to the +** aggregate. The function has P5 arguments. P4 is a pointer to the ** FuncDef structure that specifies the function. Register P3 is the ** accumulator. ** @@ -90579,6 +92117,7 @@ case OP_AggStep: { pOp->opcode = OP_AggStep1; /* Fall through into OP_AggStep */ + /* no break */ deliberate_fall_through } case OP_AggStep1: { int i; @@ -90652,7 +92191,7 @@ case OP_AggStep1: { ** Synopsis: accum=r[P1] N=P2 ** ** P1 is the memory location that is the accumulator for an aggregate -** or window function. Execute the finalizer function +** or window function. Execute the finalizer function ** for an aggregate and store the result in P1. ** ** P2 is the number of arguments that the step function takes and @@ -90691,7 +92230,7 @@ case OP_AggFinal: { { rc = sqlite3VdbeMemFinalize(pMem, pOp->p4.pFunc); } - + if( rc ){ sqlite3VdbeError(p, "%s", sqlite3_value_text(pMem)); goto abort_due_to_error; @@ -90737,9 +92276,9 @@ case OP_Checkpoint: { } for(i=0, pMem = &aMem[pOp->p3]; i<3; i++, pMem++){ sqlite3VdbeMemSetInt64(pMem, (i64)aRes[i]); - } + } break; -}; +}; #endif #ifndef SQLITE_OMIT_PRAGMA @@ -90765,9 +92304,9 @@ case OP_JournalMode: { /* out2 */ pOut = out2Prerelease(p, pOp); eNew = pOp->p3; - assert( eNew==PAGER_JOURNALMODE_DELETE - || eNew==PAGER_JOURNALMODE_TRUNCATE - || eNew==PAGER_JOURNALMODE_PERSIST + assert( eNew==PAGER_JOURNALMODE_DELETE + || eNew==PAGER_JOURNALMODE_TRUNCATE + || eNew==PAGER_JOURNALMODE_PERSIST || eNew==PAGER_JOURNALMODE_OFF || eNew==PAGER_JOURNALMODE_MEMORY || eNew==PAGER_JOURNALMODE_WAL @@ -90786,7 +92325,7 @@ case OP_JournalMode: { /* out2 */ zFilename = sqlite3PagerFilename(pPager, 1); /* Do not allow a transition to journal_mode=WAL for a database - ** in temporary storage or if the VFS does not support shared memory + ** in temporary storage or if the VFS does not support shared memory */ if( eNew==PAGER_JOURNALMODE_WAL && (sqlite3Strlen30(zFilename)==0 /* Temp file */ @@ -90806,12 +92345,12 @@ case OP_JournalMode: { /* out2 */ ); goto abort_due_to_error; }else{ - + if( eOld==PAGER_JOURNALMODE_WAL ){ /* If leaving WAL mode, close the log file. If successful, the call - ** to PagerCloseWal() checkpoints and deletes the write-ahead-log - ** file. An EXCLUSIVE lock may still be held on the database file - ** after a successful return. + ** to PagerCloseWal() checkpoints and deletes the write-ahead-log + ** file. An EXCLUSIVE lock may still be held on the database file + ** after a successful return. */ rc = sqlite3PagerCloseWal(pPager, db); if( rc==SQLITE_OK ){ @@ -90822,7 +92361,7 @@ case OP_JournalMode: { /* out2 */ ** as an intermediate */ sqlite3PagerSetJournalMode(pPager, PAGER_JOURNALMODE_OFF); } - + /* Open a transaction on the database file. Regardless of the journal ** mode, this transaction always uses a rollback journal. */ @@ -90897,7 +92436,7 @@ case OP_IncrVacuum: { /* jump */ ** is executed using sqlite3_step() it will either automatically ** reprepare itself (if it was originally created using sqlite3_prepare_v2()) ** or it will fail with SQLITE_SCHEMA. -** +** ** If P1 is 0, then all SQL statements become expired. If P1 is non-zero, ** then only the currently executing statement is expired. ** @@ -90917,12 +92456,42 @@ case OP_Expire: { break; } +/* Opcode: CursorLock P1 * * * * +** +** Lock the btree to which cursor P1 is pointing so that the btree cannot be +** written by an other cursor. +*/ +case OP_CursorLock: { + VdbeCursor *pC; + assert( pOp->p1>=0 && pOp->p1<p->nCursor ); + pC = p->apCsr[pOp->p1]; + assert( pC!=0 ); + assert( pC->eCurType==CURTYPE_BTREE ); + sqlite3BtreeCursorPin(pC->uc.pCursor); + break; +} + +/* Opcode: CursorUnlock P1 * * * * +** +** Unlock the btree to which cursor P1 is pointing so that it can be +** written by other cursors. +*/ +case OP_CursorUnlock: { + VdbeCursor *pC; + assert( pOp->p1>=0 && pOp->p1<p->nCursor ); + pC = p->apCsr[pOp->p1]; + assert( pC!=0 ); + assert( pC->eCurType==CURTYPE_BTREE ); + sqlite3BtreeCursorUnpin(pC->uc.pCursor); + break; +} + #ifndef SQLITE_OMIT_SHARED_CACHE /* Opcode: TableLock P1 P2 P3 P4 * ** Synopsis: iDb=P1 root=P2 write=P3 ** ** Obtain a lock on a particular table. This instruction is only used when -** the shared-cache feature is enabled. +** the shared-cache feature is enabled. ** ** P1 is the index of the database in sqlite3.aDb[] of the database ** on which the lock is acquired. A readlock is obtained if P3==0 or @@ -90936,7 +92505,7 @@ case OP_Expire: { case OP_TableLock: { u8 isWriteLock = (u8)pOp->p3; if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommit) ){ - int p1 = pOp->p1; + int p1 = pOp->p1; assert( p1>=0 && p1<db->nDb ); assert( DbMaskTest(p->btreeMask, p1) ); assert( isWriteLock==0 || isWriteLock==1 ); @@ -90956,7 +92525,7 @@ case OP_TableLock: { #ifndef SQLITE_OMIT_VIRTUALTABLE /* Opcode: VBegin * * * P4 * ** -** P4 may be a pointer to an sqlite3_vtab structure. If so, call the +** P4 may be a pointer to an sqlite3_vtab structure. If so, call the ** xBegin method for that table. ** ** Also, whether or not P4 is set, check that this is not being called from @@ -90976,7 +92545,7 @@ case OP_VBegin: { #ifndef SQLITE_OMIT_VIRTUALTABLE /* Opcode: VCreate P1 P2 * * * ** -** P2 is a register that holds the name of a virtual table in database +** P2 is a register that holds the name of a virtual table in database ** P1. Call the xCreate method for that table. */ case OP_VCreate: { @@ -91161,7 +92730,7 @@ case OP_VColumn: { assert( pModule->xColumn ); memset(&sContext, 0, sizeof(sContext)); sContext.pOut = pDest; - testcase( (pOp->p5 & OPFLAG_NOCHNG)==0 && pOp->p5!=0 ); + assert( pOp->p5==OPFLAG_NOCHNG || pOp->p5==0 ); if( pOp->p5 & OPFLAG_NOCHNG ){ sqlite3VdbeMemSetNull(pDest); pDest->flags = MEM_Null|MEM_Zero; @@ -91212,7 +92781,7 @@ case OP_VNext: { /* jump */ /* Invoke the xNext() method of the module. There is no way for the ** underlying implementation to return an error if one occurs during - ** xNext(). Instead, if an error occurs, true is returned (indicating that + ** xNext(). Instead, if an error occurs, true is returned (indicating that ** data is available) and the error code returned when xColumn or ** some other method is next invoked on the save virtual table cursor. */ @@ -91240,7 +92809,7 @@ case OP_VRename: { sqlite3_vtab *pVtab; Mem *pName; int isLegacy; - + isLegacy = (db->flags & SQLITE_LegacyAlter); db->flags |= SQLITE_LegacyAlter; pVtab = pOp->p4.pVtab->pVtab; @@ -91270,23 +92839,23 @@ case OP_VRename: { ** ** P4 is a pointer to a virtual table object, an sqlite3_vtab structure. ** This opcode invokes the corresponding xUpdate method. P2 values -** are contiguous memory cells starting at P3 to pass to the xUpdate -** invocation. The value in register (P3+P2-1) corresponds to the +** are contiguous memory cells starting at P3 to pass to the xUpdate +** invocation. The value in register (P3+P2-1) corresponds to the ** p2th element of the argv array passed to xUpdate. ** ** The xUpdate method will do a DELETE or an INSERT or both. ** The argv[0] element (which corresponds to memory cell P3) -** is the rowid of a row to delete. If argv[0] is NULL then no -** deletion occurs. The argv[1] element is the rowid of the new -** row. This can be NULL to have the virtual table select the new -** rowid for itself. The subsequent elements in the array are +** is the rowid of a row to delete. If argv[0] is NULL then no +** deletion occurs. The argv[1] element is the rowid of the new +** row. This can be NULL to have the virtual table select the new +** rowid for itself. The subsequent elements in the array are ** the values of columns in the new row. ** ** If P2==1 then no insert is performed. argv[0] is the rowid of ** a row to delete. ** ** P1 is a boolean flag. If it is set to true and the xUpdate call -** is successful, then the value returned by sqlite3_last_insert_rowid() +** is successful, then the value returned by sqlite3_last_insert_rowid() ** is set to the value of the rowid for the row just inserted. ** ** P5 is the error actions (OE_Replace, OE_Fail, OE_Ignore, etc) to @@ -91301,7 +92870,7 @@ case OP_VUpdate: { Mem **apArg; Mem *pX; - assert( pOp->p2==1 || pOp->p5==OE_Fail || pOp->p5==OE_Rollback + assert( pOp->p2==1 || pOp->p5==OE_Fail || pOp->p5==OE_Rollback || pOp->p5==OE_Abort || pOp->p5==OE_Ignore || pOp->p5==OE_Replace ); assert( p->readOnly==0 ); @@ -91386,72 +92955,52 @@ case OP_MaxPgcnt: { /* out2 */ } #endif -/* Opcode: Function0 P1 P2 P3 P4 P5 -** Synopsis: r[P3]=func(r[P2@P5]) +/* Opcode: Function P1 P2 P3 P4 * +** Synopsis: r[P3]=func(r[P2@NP]) ** -** Invoke a user function (P4 is a pointer to a FuncDef object that -** defines the function) with P5 arguments taken from register P2 and -** successors. The result of the function is stored in register P3. -** Register P3 must not be one of the function inputs. +** Invoke a user function (P4 is a pointer to an sqlite3_context object that +** contains a pointer to the function to be run) with arguments taken +** from register P2 and successors. The number of arguments is in +** the sqlite3_context object that P4 points to. +** The result of the function is stored +** in register P3. Register P3 must not be one of the function inputs. ** -** P1 is a 32-bit bitmask indicating whether or not each argument to the +** P1 is a 32-bit bitmask indicating whether or not each argument to the ** function was determined to be constant at compile time. If the first ** argument was constant then bit 0 of P1 is set. This is used to determine ** whether meta data associated with a user function argument using the ** sqlite3_set_auxdata() API may be safely retained until the next ** invocation of this opcode. ** -** See also: Function, AggStep, AggFinal +** See also: AggStep, AggFinal, PureFunc */ -/* Opcode: Function P1 P2 P3 P4 P5 -** Synopsis: r[P3]=func(r[P2@P5]) +/* Opcode: PureFunc P1 P2 P3 P4 * +** Synopsis: r[P3]=func(r[P2@NP]) ** ** Invoke a user function (P4 is a pointer to an sqlite3_context object that -** contains a pointer to the function to be run) with P5 arguments taken -** from register P2 and successors. The result of the function is stored +** contains a pointer to the function to be run) with arguments taken +** from register P2 and successors. The number of arguments is in +** the sqlite3_context object that P4 points to. +** The result of the function is stored ** in register P3. Register P3 must not be one of the function inputs. ** -** P1 is a 32-bit bitmask indicating whether or not each argument to the +** P1 is a 32-bit bitmask indicating whether or not each argument to the ** function was determined to be constant at compile time. If the first ** argument was constant then bit 0 of P1 is set. This is used to determine ** whether meta data associated with a user function argument using the ** sqlite3_set_auxdata() API may be safely retained until the next ** invocation of this opcode. ** -** SQL functions are initially coded as OP_Function0 with P4 pointing -** to a FuncDef object. But on first evaluation, the P4 operand is -** automatically converted into an sqlite3_context object and the operation -** changed to this OP_Function opcode. In this way, the initialization of -** the sqlite3_context object occurs only once, rather than once for each -** evaluation of the function. +** This opcode works exactly like OP_Function. The only difference is in +** its name. This opcode is used in places where the function must be +** purely non-deterministic. Some built-in date/time functions can be +** either determinitic of non-deterministic, depending on their arguments. +** When those function are used in a non-deterministic way, they will check +** to see if they were called using OP_PureFunc instead of OP_Function, and +** if they were, they throw an error. ** -** See also: Function0, AggStep, AggFinal +** See also: AggStep, AggFinal, Function */ -case OP_PureFunc0: /* group */ -case OP_Function0: { /* group */ - int n; - sqlite3_context *pCtx; - - assert( pOp->p4type==P4_FUNCDEF ); - n = pOp->p5; - assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) ); - assert( n==0 || (pOp->p2>0 && pOp->p2+n<=(p->nMem+1 - p->nCursor)+1) ); - assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n ); - pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*)); - if( pCtx==0 ) goto no_mem; - pCtx->pOut = 0; - pCtx->pFunc = pOp->p4.pFunc; - pCtx->iOp = (int)(pOp - aOp); - pCtx->pVdbe = p; - pCtx->isError = 0; - pCtx->argc = n; - pOp->p4type = P4_FUNCCTX; - pOp->p4.pCtx = pCtx; - assert( OP_PureFunc == OP_PureFunc0+2 ); - assert( OP_Function == OP_Function0+2 ); - pOp->opcode += 2; - /* Fall through into OP_Function */ -} case OP_PureFunc: /* group */ case OP_Function: { /* group */ int i; @@ -91466,9 +93015,11 @@ case OP_Function: { /* group */ ** reinitializes the relavant parts of the sqlite3_context object */ pOut = &aMem[pOp->p3]; if( pCtx->pOut != pOut ){ + pCtx->pVdbe = p; pCtx->pOut = pOut; for(i=pCtx->argc-1; i>=0; i--) pCtx->argv[i] = &aMem[pOp->p2+i]; } + assert( pCtx->pVdbe==p ); memAboutToChange(p, pOut); #ifdef SQLITE_DEBUG @@ -91556,18 +93107,17 @@ case OP_Init: { /* jump */ ){ #ifndef SQLITE_OMIT_DEPRECATED if( db->mTrace & SQLITE_TRACE_LEGACY ){ - void (*x)(void*,const char*) = (void(*)(void*,const char*))db->xTrace; char *z = sqlite3VdbeExpandSql(p, zTrace); - x(db->pTraceArg, z); + db->trace.xLegacy(db->pTraceArg, z); sqlite3_free(z); }else #endif if( db->nVdbeExec>1 ){ char *z = sqlite3MPrintf(db, "-- %s", zTrace); - (void)db->xTrace(SQLITE_TRACE_STMT, db->pTraceArg, p, z); + (void)db->trace.xV2(SQLITE_TRACE_STMT, db->pTraceArg, p, z); sqlite3DbFree(db, z); }else{ - (void)db->xTrace(SQLITE_TRACE_STMT, db->pTraceArg, p, zTrace); + (void)db->trace.xV2(SQLITE_TRACE_STMT, db->pTraceArg, p, zTrace); } } #ifdef SQLITE_USE_FCNTL_TRACE @@ -91640,6 +93190,55 @@ case OP_Abortable: { } #endif +#ifdef SQLITE_DEBUG +/* Opcode: ReleaseReg P1 P2 P3 * P5 +** Synopsis: release r[P1@P2] mask P3 +** +** Release registers from service. Any content that was in the +** the registers is unreliable after this opcode completes. +** +** The registers released will be the P2 registers starting at P1, +** except if bit ii of P3 set, then do not release register P1+ii. +** In other words, P3 is a mask of registers to preserve. +** +** Releasing a register clears the Mem.pScopyFrom pointer. That means +** that if the content of the released register was set using OP_SCopy, +** a change to the value of the source register for the OP_SCopy will no longer +** generate an assertion fault in sqlite3VdbeMemAboutToChange(). +** +** If P5 is set, then all released registers have their type set +** to MEM_Undefined so that any subsequent attempt to read the released +** register (before it is reinitialized) will generate an assertion fault. +** +** P5 ought to be set on every call to this opcode. +** However, there are places in the code generator will release registers +** before their are used, under the (valid) assumption that the registers +** will not be reallocated for some other purpose before they are used and +** hence are safe to release. +** +** This opcode is only available in testing and debugging builds. It is +** not generated for release builds. The purpose of this opcode is to help +** validate the generated bytecode. This opcode does not actually contribute +** to computing an answer. +*/ +case OP_ReleaseReg: { + Mem *pMem; + int i; + u32 constMask; + assert( pOp->p1>0 ); + assert( pOp->p1+pOp->p2<=(p->nMem+1 - p->nCursor)+1 ); + pMem = &aMem[pOp->p1]; + constMask = pOp->p3; + for(i=0; i<pOp->p2; i++, pMem++){ + if( i>=32 || (constMask & MASKBIT32(i))==0 ){ + pMem->pScopyFrom = 0; + if( i<32 && pOp->p5 ) MemSetTypeFlag(pMem, MEM_Undefined); + } + } + break; +} +#endif + /* Opcode: Noop * * * * * ** ** Do nothing. This instruction is often useful as a jump @@ -91691,6 +93290,12 @@ default: { /* This is really OP_Noop, OP_Explain */ if( opProperty & OPFLG_OUT3 ){ registerTrace(pOrigOp->p3, &aMem[pOrigOp->p3]); } + if( opProperty==0xff ){ + /* Never happens. This code exists to avoid a harmless linkage + ** warning aboud sqlite3VdbeRegisterDump() being defined but not + ** used. */ + sqlite3VdbeRegisterDump(p); + } } #endif /* SQLITE_DEBUG */ #endif /* NDEBUG */ @@ -91708,7 +93313,7 @@ abort_due_to_error: p->rc = rc; sqlite3SystemError(db, rc); testcase( sqlite3GlobalConfig.xLog!=0 ); - sqlite3_log(rc, "statement aborts at %d: [%s] %s", + sqlite3_log(rc, "statement aborts at %d: [%s] %s", (int)(pOp - aOp), p->zSql, p->zErrMsg); sqlite3VdbeHalt(p); if( rc==SQLITE_IOERR_NOMEM ) sqlite3OomFault(db); @@ -91725,7 +93330,7 @@ vdbe_return: while( nVmStep>=nProgressLimit && db->xProgress!=0 ){ nProgressLimit += db->nProgressOps; if( db->xProgress(db->pProgressArg) ){ - nProgressLimit = 0xffffffff; + nProgressLimit = LARGEST_UINT64; rc = SQLITE_INTERRUPT; goto abort_due_to_error; } @@ -91733,8 +93338,8 @@ vdbe_return: #endif p->aCounter[SQLITE_STMTSTATUS_VM_STEP] += (int)nVmStep; sqlite3VdbeLeave(p); - assert( rc!=SQLITE_OK || nExtraDelete==0 - || sqlite3_strlike("DELETE%",p->zSql,0)!=0 + assert( rc!=SQLITE_OK || nExtraDelete==0 + || sqlite3_strlike("DELETE%",p->zSql,0)!=0 ); return rc; @@ -91758,10 +93363,8 @@ no_mem: ** flag. */ abort_due_to_interrupt: - assert( db->u1.isInterrupted ); - rc = db->mallocFailed ? SQLITE_NOMEM_BKPT : SQLITE_INTERRUPT; - p->rc = rc; - sqlite3VdbeError(p, "%s", sqlite3ErrStr(rc)); + assert( AtomicLoad(&db->u1.isInterrupted) ); + rc = SQLITE_INTERRUPT; goto abort_due_to_error; } @@ -91818,7 +93421,7 @@ struct Incrblob { ** sqlite3DbFree(). ** ** If an error does occur, then the b-tree cursor is closed. All subsequent -** calls to sqlite3_blob_read(), blob_write() or blob_reopen() will +** calls to sqlite3_blob_read(), blob_write() or blob_reopen() will ** immediately return SQLITE_ABORT. */ static int blobSeekToRow(Incrblob *p, sqlite3_int64 iRow, char **pzErr){ @@ -91826,7 +93429,7 @@ static int blobSeekToRow(Incrblob *p, sqlite3_int64 iRow, char **pzErr){ char *zErr = 0; /* Error message */ Vdbe *v = (Vdbe *)p->pStmt; - /* Set the value of register r[1] in the SQL statement to integer iRow. + /* Set the value of register r[1] in the SQL statement to integer iRow. ** This is done directly as a performance optimization */ v->aMem[1].flags = MEM_Int; @@ -91970,7 +93573,7 @@ SQLITE_API int sqlite3_blob_open( } /* If the value is being opened for writing, check that the - ** column is not indexed, and that it is not part of a foreign key. + ** column is not indexed, and that it is not part of a foreign key. */ if( wrFlag ){ const char *zFault = 0; @@ -91979,7 +93582,7 @@ SQLITE_API int sqlite3_blob_open( if( db->flags&SQLITE_ForeignKeys ){ /* Check that the column is not part of an FK child key definition. It ** is not necessary to check if it is part of a parent key, as parent - ** key columns must be indexed. The check below will pick up this + ** key columns must be indexed. The check below will pick up this ** case. */ FKey *pFKey; for(pFKey=pTab->pFKey; pFKey; pFKey=pFKey->pNextFrom){ @@ -92013,8 +93616,8 @@ SQLITE_API int sqlite3_blob_open( pBlob->pStmt = (sqlite3_stmt *)sqlite3VdbeCreate(&sParse); assert( pBlob->pStmt || db->mallocFailed ); if( pBlob->pStmt ){ - - /* This VDBE program seeks a btree cursor to the identified + + /* This VDBE program seeks a btree cursor to the identified ** db/table/row entry. The reason for using a vdbe program instead ** of writing code to use the b-tree layer directly is that the ** vdbe program will take advantage of the various transaction, @@ -92022,11 +93625,11 @@ SQLITE_API int sqlite3_blob_open( ** ** After seeking the cursor, the vdbe executes an OP_ResultRow. ** Code external to the Vdbe then "borrows" the b-tree cursor and - ** uses it to implement the blob_read(), blob_write() and + ** uses it to implement the blob_read(), blob_write() and ** blob_bytes() functions. ** ** The sqlite3_blob_close() function finalizes the vdbe program, - ** which closes the b-tree cursor and (possibly) commits the + ** which closes the b-tree cursor and (possibly) commits the ** transaction. */ static const int iLn = VDBE_OFFSET_LINENO(2); @@ -92043,7 +93646,7 @@ SQLITE_API int sqlite3_blob_open( int iDb = sqlite3SchemaToIndex(db, pTab->pSchema); VdbeOp *aOp; - sqlite3VdbeAddOp4Int(v, OP_Transaction, iDb, wrFlag, + sqlite3VdbeAddOp4Int(v, OP_Transaction, iDb, wrFlag, pTab->pSchema->schema_cookie, pTab->pSchema->iGeneration); sqlite3VdbeChangeP5(v, 1); @@ -92051,7 +93654,7 @@ SQLITE_API int sqlite3_blob_open( aOp = sqlite3VdbeAddOpList(v, ArraySize(openBlob), openBlob, iLn); /* Make sure a mutex is held on the table to be accessed */ - sqlite3VdbeUsesBtree(v, iDb); + sqlite3VdbeUsesBtree(v, iDb); if( db->mallocFailed==0 ){ assert( aOp!=0 ); @@ -92067,17 +93670,17 @@ SQLITE_API int sqlite3_blob_open( if( db->mallocFailed==0 ){ #endif - /* Remove either the OP_OpenWrite or OpenRead. Set the P2 + /* Remove either the OP_OpenWrite or OpenRead. Set the P2 ** parameter of the other to pTab->tnum. */ if( wrFlag ) aOp[1].opcode = OP_OpenWrite; aOp[1].p2 = pTab->tnum; - aOp[1].p3 = iDb; + aOp[1].p3 = iDb; /* Configure the number of columns. Configure the cursor to ** think that the table has one more column than it really ** does. An OP_Column to retrieve this imaginary column will ** always return an SQL NULL. This is useful because it means - ** we can invoke OP_Column to fill in the vdbe cursors type + ** we can invoke OP_Column to fill in the vdbe cursors type ** and offset cache without causing any IO. */ aOp[1].p4type = P4_INT32; @@ -92090,7 +93693,7 @@ SQLITE_API int sqlite3_blob_open( sqlite3VdbeMakeReady(v, &sParse); } } - + pBlob->iCol = iCol; pBlob->db = db; sqlite3BtreeLeaveAll(db); @@ -92141,10 +93744,10 @@ SQLITE_API int sqlite3_blob_close(sqlite3_blob *pBlob){ ** Perform a read or write operation on a blob */ static int blobReadWrite( - sqlite3_blob *pBlob, - void *z, - int n, - int iOffset, + sqlite3_blob *pBlob, + void *z, + int n, + int iOffset, int (*xCall)(BtCursor*, u32, u32, void*) ){ int rc; @@ -92174,14 +93777,14 @@ static int blobReadWrite( #ifdef SQLITE_ENABLE_PREUPDATE_HOOK if( xCall==sqlite3BtreePutData && db->xPreUpdateCallback ){ - /* If a pre-update hook is registered and this is a write cursor, - ** invoke it here. - ** + /* If a pre-update hook is registered and this is a write cursor, + ** invoke it here. + ** ** TODO: The preupdate-hook is passed SQLITE_DELETE, even though this ** operation should really be an SQLITE_UPDATE. This is probably - ** incorrect, but is convenient because at this point the new.* values - ** are not easily obtainable. And for the sessions module, an - ** SQLITE_UPDATE where the PK columns do not change is handled in the + ** incorrect, but is convenient because at this point the new.* values + ** are not easily obtainable. And for the sessions module, an + ** SQLITE_UPDATE where the PK columns do not change is handled in the ** same way as an SQLITE_DELETE (the SQLITE_DELETE code is actually ** slightly more efficient). Since you cannot write to a PK column ** using the incremental-blob API, this works. For the sessions module @@ -92241,8 +93844,8 @@ SQLITE_API int sqlite3_blob_bytes(sqlite3_blob *pBlob){ ** ** If an error occurs, or if the specified row does not exist or does not ** contain a blob or text value, then an error code is returned and the -** database handle error code and message set. If this happens, then all -** subsequent calls to sqlite3_blob_xxx() functions (except blob_close()) +** database handle error code and message set. If this happens, then all +** subsequent calls to sqlite3_blob_xxx() functions (except blob_close()) ** immediately return SQLITE_ABORT. */ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ @@ -92336,7 +93939,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** is like Close() followed by Init() only ** much faster. ** -** The interfaces above must be called in a particular order. Write() can +** The interfaces above must be called in a particular order. Write() can ** only occur in between Init()/Reset() and Rewind(). Next(), Rowkey(), and ** Compare() can only occur in between Rewind() and Close()/Reset(). i.e. ** @@ -92344,16 +93947,16 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** for each record: Write() ** Rewind() ** Rowkey()/Compare() -** Next() +** Next() ** Close() ** ** Algorithm: ** -** Records passed to the sorter via calls to Write() are initially held +** Records passed to the sorter via calls to Write() are initially held ** unsorted in main memory. Assuming the amount of memory used never exceeds ** a threshold, when Rewind() is called the set of records is sorted using ** an in-memory merge sort. In this case, no temporary files are required -** and subsequent calls to Rowkey(), Next() and Compare() read records +** and subsequent calls to Rowkey(), Next() and Compare() read records ** directly from main memory. ** ** If the amount of space used to store records in main memory exceeds the @@ -92363,10 +93966,10 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** of PMAs may be created by merging existing PMAs together - for example ** merging two or more level-0 PMAs together creates a level-1 PMA. ** -** The threshold for the amount of main memory to use before flushing +** The threshold for the amount of main memory to use before flushing ** records to a PMA is roughly the same as the limit configured for the -** page-cache of the main database. Specifically, the threshold is set to -** the value returned by "PRAGMA main.page_size" multipled by +** page-cache of the main database. Specifically, the threshold is set to +** the value returned by "PRAGMA main.page_size" multipled by ** that returned by "PRAGMA main.cache_size", in bytes. ** ** If the sorter is running in single-threaded mode, then all PMAs generated @@ -92383,7 +93986,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** than zero, and (b) worker threads have been enabled at runtime by calling ** "PRAGMA threads=N" with some value of N greater than 0. ** -** When Rewind() is called, any data remaining in memory is flushed to a +** When Rewind() is called, any data remaining in memory is flushed to a ** final PMA. So at this point the data is stored in some number of sorted ** PMAs within temporary files on disk. ** @@ -92395,16 +93998,16 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ ** ** Or, if running in multi-threaded mode, then a background thread is ** launched to merge the existing PMAs. Once the background thread has -** merged T bytes of data into a single sorted PMA, the main thread +** merged T bytes of data into a single sorted PMA, the main thread ** begins reading keys from that PMA while the background thread proceeds ** with merging the next T bytes of data. And so on. ** -** Parameter T is set to half the value of the memory threshold used +** Parameter T is set to half the value of the memory threshold used ** by Write() above to determine when to create a new PMA. ** -** If there are more than SORTER_MAX_MERGE_COUNT PMAs in total when -** Rewind() is called, then a hierarchy of incremental-merges is used. -** First, T bytes of data from the first SORTER_MAX_MERGE_COUNT PMAs on +** If there are more than SORTER_MAX_MERGE_COUNT PMAs in total when +** Rewind() is called, then a hierarchy of incremental-merges is used. +** First, T bytes of data from the first SORTER_MAX_MERGE_COUNT PMAs on ** disk are merged together. Then T bytes of data from the second set, and ** so on, such that no operation ever merges more than SORTER_MAX_MERGE_COUNT ** PMAs at a time. This done is to improve locality. @@ -92419,7 +94022,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *pBlob, sqlite3_int64 iRow){ /* #include "sqliteInt.h" */ /* #include "vdbeInt.h" */ -/* +/* ** If SQLITE_DEBUG_SORTER_THREADS is defined, this module outputs various ** messages to stderr that may be helpful in understanding the performance ** characteristics of the sorter in multi-threaded mode. @@ -92448,7 +94051,7 @@ typedef struct SorterList SorterList; /* In-memory list of records */ typedef struct IncrMerger IncrMerger; /* Read & merge multiple PMAs */ /* -** A container for a temp file handle and the current amount of data +** A container for a temp file handle and the current amount of data ** stored in the file. */ struct SorterFile { @@ -92488,17 +94091,17 @@ struct SorterList { ** the MergeEngine.nTree variable. ** ** The final (N/2) elements of aTree[] contain the results of comparing -** pairs of PMA keys together. Element i contains the result of +** pairs of PMA keys together. Element i contains the result of ** comparing aReadr[2*i-N] and aReadr[2*i-N+1]. Whichever key is smaller, the -** aTree element is set to the index of it. +** aTree element is set to the index of it. ** ** For the purposes of this comparison, EOF is considered greater than any ** other key value. If the keys are equal (only possible with two EOF ** values), it doesn't matter which index is stored. ** -** The (N/4) elements of aTree[] that precede the final (N/2) described +** The (N/4) elements of aTree[] that precede the final (N/2) described ** above contains the index of the smallest of each block of 4 PmaReaders -** And so on. So that aTree[1] contains the index of the PmaReader that +** And so on. So that aTree[1] contains the index of the PmaReader that ** currently points to the smallest key value. aTree[0] is unused. ** ** Example: @@ -92514,7 +94117,7 @@ struct SorterList { ** ** aTree[] = { X, 5 0, 5 0, 3, 5, 6 } ** -** The current element is "Apple" (the value of the key indicated by +** The current element is "Apple" (the value of the key indicated by ** PmaReader 5). When the Next() operation is invoked, PmaReader 5 will ** be advanced to the next key in its segment. Say the next key is ** "Eggplant": @@ -92555,8 +94158,8 @@ struct MergeEngine { ** each thread requries its own UnpackedRecord object to unpack records in ** as part of comparison operations. ** -** Before a background thread is launched, variable bDone is set to 0. Then, -** right before it exits, the thread itself sets bDone to 1. This is used for +** Before a background thread is launched, variable bDone is set to 0. Then, +** right before it exits, the thread itself sets bDone to 1. This is used for ** two purposes: ** ** 1. When flushing the contents of memory to a level-0 PMA on disk, to @@ -92587,7 +94190,7 @@ struct SortSubtask { /* -** Main sorter structure. A single instance of this is allocated for each +** Main sorter structure. A single instance of this is allocated for each ** sorter cursor created by the VDBE. ** ** mxKeysize: @@ -92643,21 +94246,21 @@ struct PmaReader { }; /* -** Normally, a PmaReader object iterates through an existing PMA stored +** Normally, a PmaReader object iterates through an existing PMA stored ** within a temp file. However, if the PmaReader.pIncr variable points to ** an object of the following type, it may be used to iterate/merge through ** multiple PMAs simultaneously. ** -** There are two types of IncrMerger object - single (bUseThread==0) and -** multi-threaded (bUseThread==1). +** There are two types of IncrMerger object - single (bUseThread==0) and +** multi-threaded (bUseThread==1). ** -** A multi-threaded IncrMerger object uses two temporary files - aFile[0] -** and aFile[1]. Neither file is allowed to grow to more than mxSz bytes in -** size. When the IncrMerger is initialized, it reads enough data from -** pMerger to populate aFile[0]. It then sets variables within the -** corresponding PmaReader object to read from that file and kicks off -** a background thread to populate aFile[1] with the next mxSz bytes of -** sorted record data from pMerger. +** A multi-threaded IncrMerger object uses two temporary files - aFile[0] +** and aFile[1]. Neither file is allowed to grow to more than mxSz bytes in +** size. When the IncrMerger is initialized, it reads enough data from +** pMerger to populate aFile[0]. It then sets variables within the +** corresponding PmaReader object to read from that file and kicks off +** a background thread to populate aFile[1] with the next mxSz bytes of +** sorted record data from pMerger. ** ** When the PmaReader reaches the end of aFile[0], it blocks until the ** background thread has finished populating aFile[1]. It then exchanges @@ -92668,7 +94271,7 @@ struct PmaReader { ** ** A single-threaded IncrMerger does not open any temporary files of its ** own. Instead, it has exclusive access to mxSz bytes of space beginning -** at offset iStartOff of file pTask->file2. And instead of using a +** at offset iStartOff of file pTask->file2. And instead of using a ** background thread to prepare data for the PmaReader, with a single ** threaded IncrMerger the allocate part of pTask->file2 is "refilled" with ** keys from pMerger by the calling thread whenever the PmaReader runs out @@ -92780,7 +94383,7 @@ static int vdbePmaReadBlob( assert( p->aBuffer ); - /* If there is no more data to be read from the buffer, read the next + /* If there is no more data to be read from the buffer, read the next ** p->nBuffer bytes of data from the file into it. Or, if there are less ** than p->nBuffer bytes remaining in the PMA, read all remaining data. */ iBuf = p->iReadOff % p->nBuffer; @@ -92801,11 +94404,11 @@ static int vdbePmaReadBlob( assert( rc!=SQLITE_IOERR_SHORT_READ ); if( rc!=SQLITE_OK ) return rc; } - nAvail = p->nBuffer - iBuf; + nAvail = p->nBuffer - iBuf; if( nByte<=nAvail ){ /* The requested data is available in the in-memory buffer. In this - ** case there is no need to make a copy of the data, just return a + ** case there is no need to make a copy of the data, just return a ** pointer into the buffer to the caller. */ *ppOut = &p->aBuffer[iBuf]; p->iReadOff += nByte; @@ -92884,7 +94487,7 @@ static int vdbePmaReadVarint(PmaReader *p, u64 *pnOut){ /* ** Attempt to memory map file pFile. If successful, set *pp to point to the -** new mapping and return SQLITE_OK. If the mapping is not attempted +** new mapping and return SQLITE_OK. If the mapping is not attempted ** (because the file is too large or the VFS layer is configured not to use ** mmap), return SQLITE_OK and set *pp to NULL. ** @@ -92905,7 +94508,7 @@ static int vdbeSorterMapFile(SortSubtask *pTask, SorterFile *pFile, u8 **pp){ /* ** Attach PmaReader pReadr to file pFile (if it is not already attached to -** that file) and seek it to offset iOff within the file. Return SQLITE_OK +** that file) and seek it to offset iOff within the file. Return SQLITE_OK ** if successful, or an SQLite error code if an error occurs. */ static int vdbePmaReaderSeek( @@ -92995,11 +94598,11 @@ static int vdbePmaReaderNext(PmaReader *pReadr){ /* ** Initialize PmaReader pReadr to scan through the PMA stored in file pFile -** starting at offset iStart and ending at offset iEof-1. This function -** leaves the PmaReader pointing to the first key in the PMA (or EOF if the +** starting at offset iStart and ending at offset iEof-1. This function +** leaves the PmaReader pointing to the first key in the PMA (or EOF if the ** PMA is empty). ** -** If the pnByte parameter is NULL, then it is assumed that the file +** If the pnByte parameter is NULL, then it is assumed that the file ** contains a single PMA, and that that PMA omits the initial length varint. */ static int vdbePmaReaderInit( @@ -93032,7 +94635,7 @@ static int vdbePmaReaderInit( /* ** A version of vdbeSorterCompare() that assumes that it has already been -** determined that the first field of key1 is equal to the first field of +** determined that the first field of key1 is equal to the first field of ** key2. */ static int vdbeSorterCompareTail( @@ -93050,7 +94653,7 @@ static int vdbeSorterCompareTail( } /* -** Compare key1 (buffer pKey1, size nKey1 bytes) with key2 (buffer pKey2, +** Compare key1 (buffer pKey1, size nKey1 bytes) with key2 (buffer pKey2, ** size nKey2 bytes). Use (pTask->pKeyInfo) for the collation sequences ** used by the comparison. Return the result of the comparison. ** @@ -93096,8 +94699,8 @@ static int vdbeSorterCompareText( int n2; int res; - getVarint32(&p1[1], n1); - getVarint32(&p2[1], n2); + getVarint32NR(&p1[1], n1); + getVarint32NR(&p2[1], n2); res = memcmp(v1, v2, (MIN(n1, n2) - 13)/2); if( res==0 ){ res = n1 - n2; @@ -93196,7 +94799,7 @@ static int vdbeSorterCompareInt( ** is non-zero and the sorter is able to guarantee a stable sort, nField ** is used instead. This is used when sorting records for a CREATE INDEX ** statement. In this case, keys are always delivered to the sorter in -** order of the primary key, which happens to be make up the final part +** order of the primary key, which happens to be make up the final part ** of the records being sorted. So if the sort is stable, there is never ** any reason to compare PK fields and they can be ignored for a small ** performance boost. @@ -93293,7 +94896,7 @@ SQLITE_PRIVATE int sqlite3VdbeSorterInit( } } - if( pKeyInfo->nAllField<13 + if( pKeyInfo->nAllField<13 && (pKeyInfo->aColl[0]==0 || pKeyInfo->aColl[0]==db->pDfltColl) && (pKeyInfo->aSortFlags[0] & KEYINFO_ORDER_BIGNULL)==0 ){ @@ -93318,7 +94921,7 @@ static void vdbeSorterRecordFree(sqlite3 *db, SorterRecord *pRecord){ } /* -** Free all resources owned by the object indicated by argument pTask. All +** Free all resources owned by the object indicated by argument pTask. All ** fields of *pTask are zeroed before returning. */ static void vdbeSortSubtaskCleanup(sqlite3 *db, SortSubtask *pTask){ @@ -93417,7 +95020,7 @@ static int vdbeSorterCreateThread( } /* -** Join all outstanding threads launched by SorterWrite() to create +** Join all outstanding threads launched by SorterWrite() to create ** level-0 PMAs. */ static int vdbeSorterJoinAll(VdbeSorter *pSorter, int rcin){ @@ -93426,10 +95029,10 @@ static int vdbeSorterJoinAll(VdbeSorter *pSorter, int rcin){ /* This function is always called by the main user thread. ** - ** If this function is being called after SorterRewind() has been called, + ** If this function is being called after SorterRewind() has been called, ** it is possible that thread pSorter->aTask[pSorter->nTask-1].pThread ** is currently attempt to join one of the other threads. To avoid a race - ** condition where this thread also attempts to join the same object, join + ** condition where this thread also attempts to join the same object, join ** thread pSorter->aTask[pSorter->nTask-1].pThread first. */ for(i=pSorter->nTask-1; i>=0; i--){ SortSubtask *pTask = &pSorter->aTask[i]; @@ -93601,8 +95204,8 @@ static int vdbeSorterOpenTempFile( } /* -** If it has not already been allocated, allocate the UnpackedRecord -** structure at pTask->pUnpacked. Return SQLITE_OK if successful (or +** If it has not already been allocated, allocate the UnpackedRecord +** structure at pTask->pUnpacked. Return SQLITE_OK if successful (or ** if no allocation was required), or SQLITE_NOMEM otherwise. */ static int vdbeSortAllocUnpacked(SortSubtask *pTask){ @@ -93665,32 +95268,28 @@ static SorterCompare vdbeSorterGetCompare(VdbeSorter *p){ if( p->typeMask==SORTER_TYPE_INTEGER ){ return vdbeSorterCompareInt; }else if( p->typeMask==SORTER_TYPE_TEXT ){ - return vdbeSorterCompareText; + return vdbeSorterCompareText; } return vdbeSorterCompare; } /* -** Sort the linked list of records headed at pTask->pList. Return -** SQLITE_OK if successful, or an SQLite error code (i.e. SQLITE_NOMEM) if +** Sort the linked list of records headed at pTask->pList. Return +** SQLITE_OK if successful, or an SQLite error code (i.e. SQLITE_NOMEM) if ** an error occurs. */ static int vdbeSorterSort(SortSubtask *pTask, SorterList *pList){ int i; - SorterRecord **aSlot; SorterRecord *p; int rc; + SorterRecord *aSlot[64]; rc = vdbeSortAllocUnpacked(pTask); if( rc!=SQLITE_OK ) return rc; p = pList->pList; pTask->xCompare = vdbeSorterGetCompare(pTask->pSorter); - - aSlot = (SorterRecord **)sqlite3MallocZero(64 * sizeof(SorterRecord *)); - if( !aSlot ){ - return SQLITE_NOMEM_BKPT; - } + memset(aSlot, 0, sizeof(aSlot)); while( p ){ SorterRecord *pNext; @@ -93715,15 +95314,14 @@ static int vdbeSorterSort(SortSubtask *pTask, SorterList *pList){ } p = 0; - for(i=0; i<64; i++){ + for(i=0; i<ArraySize(aSlot); i++){ if( aSlot[i]==0 ) continue; p = p ? vdbeSorterMerge(pTask, p, aSlot[i]) : aSlot[i]; } pList->pList = p; - sqlite3_free(aSlot); - assert( pTask->pUnpacked->errCode==SQLITE_OK - || pTask->pUnpacked->errCode==SQLITE_NOMEM + assert( pTask->pUnpacked->errCode==SQLITE_OK + || pTask->pUnpacked->errCode==SQLITE_NOMEM ); return pTask->pUnpacked->errCode; } @@ -93764,8 +95362,8 @@ static void vdbePmaWriteBlob(PmaWriter *p, u8 *pData, int nData){ memcpy(&p->aBuffer[p->iBufEnd], &pData[nData-nRem], nCopy); p->iBufEnd += nCopy; if( p->iBufEnd==p->nBuffer ){ - p->eFWErr = sqlite3OsWrite(p->pFd, - &p->aBuffer[p->iBufStart], p->iBufEnd - p->iBufStart, + p->eFWErr = sqlite3OsWrite(p->pFd, + &p->aBuffer[p->iBufStart], p->iBufEnd - p->iBufStart, p->iWriteOff + p->iBufStart ); p->iBufStart = p->iBufEnd = 0; @@ -93780,7 +95378,7 @@ static void vdbePmaWriteBlob(PmaWriter *p, u8 *pData, int nData){ /* ** Flush any buffered data to disk and clean up the PMA-writer object. ** The results of using the PMA-writer after this call are undefined. -** Return SQLITE_OK if flushing the buffered data succeeds or is not +** Return SQLITE_OK if flushing the buffered data succeeds or is not ** required. Otherwise, return an SQLite error code. ** ** Before returning, set *piEof to the offset immediately following the @@ -93789,8 +95387,8 @@ static void vdbePmaWriteBlob(PmaWriter *p, u8 *pData, int nData){ static int vdbePmaWriterFinish(PmaWriter *p, i64 *piEof){ int rc; if( p->eFWErr==0 && ALWAYS(p->aBuffer) && p->iBufEnd>p->iBufStart ){ - p->eFWErr = sqlite3OsWrite(p->pFd, - &p->aBuffer[p->iBufStart], p->iBufEnd - p->iBufStart, + p->eFWErr = sqlite3OsWrite(p->pFd, + &p->aBuffer[p->iBufStart], p->iBufEnd - p->iBufStart, p->iWriteOff + p->iBufStart ); } @@ -93802,11 +95400,11 @@ static int vdbePmaWriterFinish(PmaWriter *p, i64 *piEof){ } /* -** Write value iVal encoded as a varint to the PMA. Return +** Write value iVal encoded as a varint to the PMA. Return ** SQLITE_OK if successful, or an SQLite error code if an error occurs. */ static void vdbePmaWriteVarint(PmaWriter *p, u64 iVal){ - int nByte; + int nByte; u8 aByte[10]; nByte = sqlite3PutVarint(aByte, iVal); vdbePmaWriteBlob(p, aByte, nByte); @@ -93814,7 +95412,7 @@ static void vdbePmaWriteVarint(PmaWriter *p, u64 iVal){ /* ** Write the current contents of in-memory linked-list pList to a level-0 -** PMA in the temp file belonging to sub-task pTask. Return SQLITE_OK if +** PMA in the temp file belonging to sub-task pTask. Return SQLITE_OK if ** successful, or an SQLite error code otherwise. ** ** The format of a PMA is: @@ -93822,8 +95420,8 @@ static void vdbePmaWriteVarint(PmaWriter *p, u64 iVal){ ** * A varint. This varint contains the total number of bytes of content ** in the PMA (not including the varint itself). ** -** * One or more records packed end-to-end in order of ascending keys. -** Each record consists of a varint followed by a blob of data (the +** * One or more records packed end-to-end in order of ascending keys. +** Each record consists of a varint followed by a blob of data (the ** key). The varint is the number of bytes in the blob of data. */ static int vdbeSorterListToPMA(SortSubtask *pTask, SorterList *pList){ @@ -93832,7 +95430,7 @@ static int vdbeSorterListToPMA(SortSubtask *pTask, SorterList *pList){ PmaWriter writer; /* Object used to write to the file */ #ifdef SQLITE_DEBUG - /* Set iSz to the expected size of file pTask->file after writing the PMA. + /* Set iSz to the expected size of file pTask->file after writing the PMA. ** This is used by an assert() statement at the end of this function. */ i64 iSz = pList->szPMA + sqlite3VarintLen(pList->szPMA) + pTask->file.iEof; #endif @@ -93985,7 +95583,7 @@ static int vdbeSorterFlushPMA(VdbeSorter *pSorter){ SortSubtask *pTask = 0; /* Thread context used to create new PMA */ int nWorker = (pSorter->nTask-1); - /* Set the flag to indicate that at least one PMA has been written. + /* Set the flag to indicate that at least one PMA has been written. ** Or will be, anyhow. */ pSorter->bUsePMA = 1; @@ -93995,7 +95593,7 @@ static int vdbeSorterFlushPMA(VdbeSorter *pSorter){ ** the background thread from a sub-tasks previous turn is still running, ** skip it. If the first (pSorter->nTask-1) sub-tasks are all still busy, ** fall back to using the final sub-task. The first (pSorter->nTask-1) - ** sub-tasks are prefered as they use background threads - the final + ** sub-tasks are prefered as they use background threads - the final ** sub-task uses the main thread. */ for(i=0; i<nWorker; i++){ int iTest = (pSorter->iPrev + i + 1) % nWorker; @@ -94059,7 +95657,7 @@ SQLITE_PRIVATE int sqlite3VdbeSorterWrite( assert( pCsr->eCurType==CURTYPE_SORTER ); pSorter = pCsr->uc.pSorter; - getVarint32((const u8*)&pVal->z[1], t); + getVarint32NR((const u8*)&pVal->z[1], t); if( t>0 && t<10 && t!=7 ){ pSorter->typeMask &= SORTER_TYPE_INTEGER; }else if( t>10 && (t & 0x01) ){ @@ -94076,14 +95674,14 @@ SQLITE_PRIVATE int sqlite3VdbeSorterWrite( ** If using the single large allocation mode (pSorter->aMemory!=0), then ** flush the contents of memory to a new PMA if (a) at least one value is ** already in memory and (b) the new value will not fit in memory. - ** + ** ** Or, if using separate allocations for each record, flush the contents ** of memory to a PMA if either of the following are true: ** - ** * The total memory allocated for the in-memory list is greater + ** * The total memory allocated for the in-memory list is greater ** than (page-size * cache-size), or ** - ** * The total memory allocated for the in-memory list is greater + ** * The total memory allocated for the in-memory list is greater ** than (page-size * 10) and sqlite3HeapNearlyFull() returns true. */ nReq = pVal->n + sizeof(SorterRecord); @@ -94222,11 +95820,11 @@ static int vdbeIncrBgPopulate(IncrMerger *pIncr){ ** aFile[0] such that the PmaReader should start rereading it from the ** beginning. ** -** For single-threaded objects, this is accomplished by literally reading -** keys from pIncr->pMerger and repopulating aFile[0]. +** For single-threaded objects, this is accomplished by literally reading +** keys from pIncr->pMerger and repopulating aFile[0]. ** -** For multi-threaded objects, all that is required is to wait until the -** background thread is finished (if it is not already) and then swap +** For multi-threaded objects, all that is required is to wait until the +** background thread is finished (if it is not already) and then swap ** aFile[0] and aFile[1] in place. If the contents of pMerger have not ** been exhausted, this function also launches a new background thread ** to populate the new aFile[1]. @@ -94366,7 +95964,7 @@ static void vdbeMergeEngineCompare( #define INCRINIT_TASK 1 #define INCRINIT_ROOT 2 -/* +/* ** Forward reference required as the vdbeIncrMergeInit() and ** vdbePmaReaderIncrInit() routines are called mutually recursively when ** building a merge tree. @@ -94375,7 +95973,7 @@ static int vdbePmaReaderIncrInit(PmaReader *pReadr, int eMode); /* ** Initialize the MergeEngine object passed as the second argument. Once this -** function returns, the first key of merged data may be read from the +** function returns, the first key of merged data may be read from the ** MergeEngine object in the usual fashion. ** ** If argument eMode is INCRINIT_ROOT, then it is assumed that any IncrMerge @@ -94385,8 +95983,8 @@ static int vdbePmaReaderIncrInit(PmaReader *pReadr, int eMode); ** required is to call vdbePmaReaderNext() on each PmaReader to point it at ** its first key. ** -** Otherwise, if eMode is any value other than INCRINIT_ROOT, then use -** vdbePmaReaderIncrMergeInit() to initialize each PmaReader that feeds data +** Otherwise, if eMode is any value other than INCRINIT_ROOT, then use +** vdbePmaReaderIncrMergeInit() to initialize each PmaReader that feeds data ** to pMerger. ** ** SQLITE_OK is returned if successful, or an SQLite error code otherwise. @@ -94441,19 +96039,19 @@ static int vdbeMergeEngineInit( ** object at (pReadr->pIncr). ** ** If argument eMode is set to INCRINIT_NORMAL, then all PmaReaders -** in the sub-tree headed by pReadr are also initialized. Data is then -** loaded into the buffers belonging to pReadr and it is set to point to +** in the sub-tree headed by pReadr are also initialized. Data is then +** loaded into the buffers belonging to pReadr and it is set to point to ** the first key in its range. ** ** If argument eMode is set to INCRINIT_TASK, then pReadr is guaranteed ** to be a multi-threaded PmaReader and this function is being called in a -** background thread. In this case all PmaReaders in the sub-tree are +** background thread. In this case all PmaReaders in the sub-tree are ** initialized as for INCRINIT_NORMAL and the aFile[1] buffer belonging to ** pReadr is populated. However, pReadr itself is not set up to point ** to its first key. A call to vdbePmaReaderNext() is still required to do -** that. +** that. ** -** The reason this function does not call vdbePmaReaderNext() immediately +** The reason this function does not call vdbePmaReaderNext() immediately ** in the INCRINIT_TASK case is that vdbePmaReaderNext() assumes that it has ** to block on thread (pTask->thread) before accessing aFile[1]. But, since ** this entire function is being run by thread (pTask->thread), that will @@ -94509,12 +96107,12 @@ static int vdbePmaReaderIncrMergeInit(PmaReader *pReadr, int eMode){ if( rc==SQLITE_OK && pIncr->bUseThread ){ /* Use the current thread to populate aFile[1], even though this ** PmaReader is multi-threaded. If this is an INCRINIT_TASK object, - ** then this function is already running in background thread - ** pIncr->pTask->thread. + ** then this function is already running in background thread + ** pIncr->pTask->thread. ** - ** If this is the INCRINIT_ROOT object, then it is running in the + ** If this is the INCRINIT_ROOT object, then it is running in the ** main VDBE thread. But that is Ok, as that thread cannot return - ** control to the VDBE or proceed with anything useful until the + ** control to the VDBE or proceed with anything useful until the ** first results are ready from this merger object anyway. */ assert( eMode==INCRINIT_ROOT || eMode==INCRINIT_TASK ); @@ -94531,7 +96129,7 @@ static int vdbePmaReaderIncrMergeInit(PmaReader *pReadr, int eMode){ #if SQLITE_MAX_WORKER_THREADS>0 /* -** The main routine for vdbePmaReaderIncrMergeInit() operations run in +** The main routine for vdbePmaReaderIncrMergeInit() operations run in ** background threads. */ static void *vdbePmaReaderBgIncrInit(void *pCtx){ @@ -94549,8 +96147,8 @@ static void *vdbePmaReaderBgIncrInit(void *pCtx){ ** (if pReadr->pIncr==0), then this function is a no-op. Otherwise, it invokes ** the vdbePmaReaderIncrMergeInit() function with the parameters passed to ** this routine to initialize the incremental merge. -** -** If the IncrMerger object is multi-threaded (IncrMerger.bUseThread==1), +** +** If the IncrMerger object is multi-threaded (IncrMerger.bUseThread==1), ** then a background thread is launched to call vdbePmaReaderIncrMergeInit(). ** Or, if the IncrMerger is single threaded, the same function is called ** using the current thread. @@ -94580,7 +96178,7 @@ static int vdbePmaReaderIncrInit(PmaReader *pReadr, int eMode){ ** to NULL and return an SQLite error code. ** ** When this function is called, *piOffset is set to the offset of the -** first PMA to read from pTask->file. Assuming no error occurs, it is +** first PMA to read from pTask->file. Assuming no error occurs, it is ** set to the offset immediately following the last byte of the last ** PMA before returning. If an error does occur, then the final value of ** *piOffset is undefined. @@ -94690,12 +96288,12 @@ static int vdbeSorterAddToTree( /* ** This function is called as part of a SorterRewind() operation on a sorter ** that has already written two or more level-0 PMAs to one or more temp -** files. It builds a tree of MergeEngine/IncrMerger/PmaReader objects that +** files. It builds a tree of MergeEngine/IncrMerger/PmaReader objects that ** can be used to incrementally merge all PMAs on disk. ** ** If successful, SQLITE_OK is returned and *ppOut set to point to the ** MergeEngine object at the root of the tree before returning. Or, if an -** error occurs, an SQLite error code is returned and the final value +** error occurs, an SQLite error code is returned and the final value ** of *ppOut is undefined. */ static int vdbeSorterMergeTreeBuild( @@ -94707,8 +96305,8 @@ static int vdbeSorterMergeTreeBuild( int iTask; #if SQLITE_MAX_WORKER_THREADS>0 - /* If the sorter uses more than one task, then create the top-level - ** MergeEngine here. This MergeEngine will read data from exactly + /* If the sorter uses more than one task, then create the top-level + ** MergeEngine here. This MergeEngine will read data from exactly ** one PmaReader per sub-task. */ assert( pSorter->bUseThreads || pSorter->nTask==1 ); if( pSorter->nTask>1 ){ @@ -94817,7 +96415,7 @@ static int vdbeSorterSetupMerge(VdbeSorter *pSorter){ } for(iTask=0; rc==SQLITE_OK && iTask<pSorter->nTask; iTask++){ /* Check that: - ** + ** ** a) The incremental merge object is configured to use the ** right task, and ** b) If it is using task (nTask-1), it is configured to run @@ -94880,7 +96478,7 @@ SQLITE_PRIVATE int sqlite3VdbeSorterRewind(const VdbeCursor *pCsr, int *pbEof){ return rc; } - /* Write the current in-memory list to a PMA. When the VdbeSorterWrite() + /* Write the current in-memory list to a PMA. When the VdbeSorterWrite() ** function flushes the contents of memory to disk, it immediately always ** creates a new list consisting of a single key immediately afterwards. ** So the list is never empty at this point. */ @@ -94892,7 +96490,7 @@ SQLITE_PRIVATE int sqlite3VdbeSorterRewind(const VdbeCursor *pCsr, int *pbEof){ vdbeSorterRewindDebug("rewind"); - /* Assuming no errors have occurred, set up a merger structure to + /* Assuming no errors have occurred, set up a merger structure to ** incrementally read and merge all remaining PMAs. */ assert( pSorter->pReader==0 ); if( rc==SQLITE_OK ){ @@ -94946,7 +96544,7 @@ SQLITE_PRIVATE int sqlite3VdbeSorterNext(sqlite3 *db, const VdbeCursor *pCsr){ } /* -** Return a pointer to a buffer owned by the sorter that contains the +** Return a pointer to a buffer owned by the sorter that contains the ** current key. */ static void *vdbeSorterRowkey( @@ -95046,6 +96644,433 @@ SQLITE_PRIVATE int sqlite3VdbeSorterCompare( } /************** End of vdbesort.c ********************************************/ +/************** Begin file vdbevtab.c ****************************************/ +/* +** 2020-03-23 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +************************************************************************* +** +** This file implements virtual-tables for examining the bytecode content +** of a prepared statement. +*/ +/* #include "sqliteInt.h" */ +#if defined(SQLITE_ENABLE_BYTECODE_VTAB) && !defined(SQLITE_OMIT_VIRTUALTABLE) +/* #include "vdbeInt.h" */ + +/* An instance of the bytecode() table-valued function. +*/ +typedef struct bytecodevtab bytecodevtab; +struct bytecodevtab { + sqlite3_vtab base; /* Base class - must be first */ + sqlite3 *db; /* Database connection */ + int bTablesUsed; /* 2 for tables_used(). 0 for bytecode(). */ +}; + +/* A cursor for scanning through the bytecode +*/ +typedef struct bytecodevtab_cursor bytecodevtab_cursor; +struct bytecodevtab_cursor { + sqlite3_vtab_cursor base; /* Base class - must be first */ + sqlite3_stmt *pStmt; /* The statement whose bytecode is displayed */ + int iRowid; /* The rowid of the output table */ + int iAddr; /* Address */ + int needFinalize; /* Cursors owns pStmt and must finalize it */ + int showSubprograms; /* Provide a listing of subprograms */ + Op *aOp; /* Operand array */ + char *zP4; /* Rendered P4 value */ + const char *zType; /* tables_used.type */ + const char *zSchema; /* tables_used.schema */ + const char *zName; /* tables_used.name */ + Mem sub; /* Subprograms */ +}; + +/* +** Create a new bytecode() table-valued function. +*/ +static int bytecodevtabConnect( + sqlite3 *db, + void *pAux, + int argc, const char *const*argv, + sqlite3_vtab **ppVtab, + char **pzErr +){ + bytecodevtab *pNew; + int rc; + int isTabUsed = pAux!=0; + const char *azSchema[2] = { + /* bytecode() schema */ + "CREATE TABLE x(" + "addr INT," + "opcode TEXT," + "p1 INT," + "p2 INT," + "p3 INT," + "p4 TEXT," + "p5 INT," + "comment TEXT," + "subprog TEXT," + "stmt HIDDEN" + ");", + + /* Tables_used() schema */ + "CREATE TABLE x(" + "type TEXT," + "schema TEXT," + "name TEXT," + "wr INT," + "subprog TEXT," + "stmt HIDDEN" + ");" + }; + + rc = sqlite3_declare_vtab(db, azSchema[isTabUsed]); + if( rc==SQLITE_OK ){ + pNew = sqlite3_malloc( sizeof(*pNew) ); + *ppVtab = (sqlite3_vtab*)pNew; + if( pNew==0 ) return SQLITE_NOMEM; + memset(pNew, 0, sizeof(*pNew)); + pNew->db = db; + pNew->bTablesUsed = isTabUsed*2; + } + return rc; +} + +/* +** This method is the destructor for bytecodevtab objects. +*/ +static int bytecodevtabDisconnect(sqlite3_vtab *pVtab){ + bytecodevtab *p = (bytecodevtab*)pVtab; + sqlite3_free(p); + return SQLITE_OK; +} + +/* +** Constructor for a new bytecodevtab_cursor object. +*/ +static int bytecodevtabOpen(sqlite3_vtab *p, sqlite3_vtab_cursor **ppCursor){ + bytecodevtab *pVTab = (bytecodevtab*)p; + bytecodevtab_cursor *pCur; + pCur = sqlite3_malloc( sizeof(*pCur) ); + if( pCur==0 ) return SQLITE_NOMEM; + memset(pCur, 0, sizeof(*pCur)); + sqlite3VdbeMemInit(&pCur->sub, pVTab->db, 1); + *ppCursor = &pCur->base; + return SQLITE_OK; +} + +/* +** Clear all internal content from a bytecodevtab cursor. +*/ +static void bytecodevtabCursorClear(bytecodevtab_cursor *pCur){ + sqlite3_free(pCur->zP4); + pCur->zP4 = 0; + sqlite3VdbeMemRelease(&pCur->sub); + sqlite3VdbeMemSetNull(&pCur->sub); + if( pCur->needFinalize ){ + sqlite3_finalize(pCur->pStmt); + } + pCur->pStmt = 0; + pCur->needFinalize = 0; + pCur->zType = 0; + pCur->zSchema = 0; + pCur->zName = 0; +} + +/* +** Destructor for a bytecodevtab_cursor. +*/ +static int bytecodevtabClose(sqlite3_vtab_cursor *cur){ + bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; + bytecodevtabCursorClear(pCur); + sqlite3_free(pCur); + return SQLITE_OK; +} + + +/* +** Advance a bytecodevtab_cursor to its next row of output. +*/ +static int bytecodevtabNext(sqlite3_vtab_cursor *cur){ + bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; + bytecodevtab *pTab = (bytecodevtab*)cur->pVtab; + int rc; + if( pCur->zP4 ){ + sqlite3_free(pCur->zP4); + pCur->zP4 = 0; + } + if( pCur->zName ){ + pCur->zName = 0; + pCur->zType = 0; + pCur->zSchema = 0; + } + rc = sqlite3VdbeNextOpcode( + (Vdbe*)pCur->pStmt, + pCur->showSubprograms ? &pCur->sub : 0, + pTab->bTablesUsed, + &pCur->iRowid, + &pCur->iAddr, + &pCur->aOp); + if( rc!=SQLITE_OK ){ + sqlite3VdbeMemSetNull(&pCur->sub); + pCur->aOp = 0; + } + return SQLITE_OK; +} + +/* +** Return TRUE if the cursor has been moved off of the last +** row of output. +*/ +static int bytecodevtabEof(sqlite3_vtab_cursor *cur){ + bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; + return pCur->aOp==0; +} + +/* +** Return values of columns for the row at which the bytecodevtab_cursor +** is currently pointing. +*/ +static int bytecodevtabColumn( + sqlite3_vtab_cursor *cur, /* The cursor */ + sqlite3_context *ctx, /* First argument to sqlite3_result_...() */ + int i /* Which column to return */ +){ + bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; + bytecodevtab *pVTab = (bytecodevtab*)cur->pVtab; + Op *pOp = pCur->aOp + pCur->iAddr; + if( pVTab->bTablesUsed ){ + if( i==4 ){ + i = 8; + }else{ + if( i<=2 && pCur->zType==0 ){ + Schema *pSchema; + HashElem *k; + int iDb = pOp->p3; + Pgno iRoot = (Pgno)pOp->p2; + sqlite3 *db = pVTab->db; + pSchema = db->aDb[iDb].pSchema; + pCur->zSchema = db->aDb[iDb].zDbSName; + for(k=sqliteHashFirst(&pSchema->tblHash); k; k=sqliteHashNext(k)){ + Table *pTab = (Table*)sqliteHashData(k); + if( !IsVirtual(pTab) && pTab->tnum==iRoot ){ + pCur->zName = pTab->zName; + pCur->zType = "table"; + break; + } + } + if( pCur->zName==0 ){ + for(k=sqliteHashFirst(&pSchema->idxHash); k; k=sqliteHashNext(k)){ + Index *pIdx = (Index*)sqliteHashData(k); + if( pIdx->tnum==iRoot ){ + pCur->zName = pIdx->zName; + pCur->zType = "index"; + } + } + } + } + i += 10; + } + } + switch( i ){ + case 0: /* addr */ + sqlite3_result_int(ctx, pCur->iAddr); + break; + case 1: /* opcode */ + sqlite3_result_text(ctx, (char*)sqlite3OpcodeName(pOp->opcode), + -1, SQLITE_STATIC); + break; + case 2: /* p1 */ + sqlite3_result_int(ctx, pOp->p1); + break; + case 3: /* p2 */ + sqlite3_result_int(ctx, pOp->p2); + break; + case 4: /* p3 */ + sqlite3_result_int(ctx, pOp->p3); + break; + case 5: /* p4 */ + case 7: /* comment */ + if( pCur->zP4==0 ){ + pCur->zP4 = sqlite3VdbeDisplayP4(pVTab->db, pOp); + } + if( i==5 ){ + sqlite3_result_text(ctx, pCur->zP4, -1, SQLITE_STATIC); + }else{ +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS + char *zCom = sqlite3VdbeDisplayComment(pVTab->db, pOp, pCur->zP4); + sqlite3_result_text(ctx, zCom, -1, sqlite3_free); +#endif + } + break; + case 6: /* p5 */ + sqlite3_result_int(ctx, pOp->p5); + break; + case 8: { /* subprog */ + Op *aOp = pCur->aOp; + assert( aOp[0].opcode==OP_Init ); + assert( aOp[0].p4.z==0 || strncmp(aOp[0].p4.z,"-" "- ",3)==0 ); + if( pCur->iRowid==pCur->iAddr+1 ){ + break; /* Result is NULL for the main program */ + }else if( aOp[0].p4.z!=0 ){ + sqlite3_result_text(ctx, aOp[0].p4.z+3, -1, SQLITE_STATIC); + }else{ + sqlite3_result_text(ctx, "(FK)", 4, SQLITE_STATIC); + } + break; + } + case 10: /* tables_used.type */ + sqlite3_result_text(ctx, pCur->zType, -1, SQLITE_STATIC); + break; + case 11: /* tables_used.schema */ + sqlite3_result_text(ctx, pCur->zSchema, -1, SQLITE_STATIC); + break; + case 12: /* tables_used.name */ + sqlite3_result_text(ctx, pCur->zName, -1, SQLITE_STATIC); + break; + case 13: /* tables_used.wr */ + sqlite3_result_int(ctx, pOp->opcode==OP_OpenWrite); + break; + } + return SQLITE_OK; +} + +/* +** Return the rowid for the current row. In this implementation, the +** rowid is the same as the output value. +*/ +static int bytecodevtabRowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){ + bytecodevtab_cursor *pCur = (bytecodevtab_cursor*)cur; + *pRowid = pCur->iRowid; + return SQLITE_OK; +} + +/* +** Initialize a cursor. +** +** idxNum==0 means show all subprograms +** idxNum==1 means show only the main bytecode and omit subprograms. +*/ +static int bytecodevtabFilter( + sqlite3_vtab_cursor *pVtabCursor, + int idxNum, const char *idxStr, + int argc, sqlite3_value **argv +){ + bytecodevtab_cursor *pCur = (bytecodevtab_cursor *)pVtabCursor; + bytecodevtab *pVTab = (bytecodevtab *)pVtabCursor->pVtab; + int rc = SQLITE_OK; + + bytecodevtabCursorClear(pCur); + pCur->iRowid = 0; + pCur->iAddr = 0; + pCur->showSubprograms = idxNum==0; + assert( argc==1 ); + if( sqlite3_value_type(argv[0])==SQLITE_TEXT ){ + const char *zSql = (const char*)sqlite3_value_text(argv[0]); + if( zSql==0 ){ + rc = SQLITE_NOMEM; + }else{ + rc = sqlite3_prepare_v2(pVTab->db, zSql, -1, &pCur->pStmt, 0); + pCur->needFinalize = 1; + } + }else{ + pCur->pStmt = (sqlite3_stmt*)sqlite3_value_pointer(argv[0],"stmt-pointer"); + } + if( pCur->pStmt==0 ){ + pVTab->base.zErrMsg = sqlite3_mprintf( + "argument to %s() is not a valid SQL statement", + pVTab->bTablesUsed ? "tables_used" : "bytecode" + ); + rc = SQLITE_ERROR; + }else{ + bytecodevtabNext(pVtabCursor); + } + return rc; +} + +/* +** We must have a single stmt=? constraint that will be passed through +** into the xFilter method. If there is no valid stmt=? constraint, +** then return an SQLITE_CONSTRAINT error. +*/ +static int bytecodevtabBestIndex( + sqlite3_vtab *tab, + sqlite3_index_info *pIdxInfo +){ + int i; + int rc = SQLITE_CONSTRAINT; + struct sqlite3_index_constraint *p; + bytecodevtab *pVTab = (bytecodevtab*)tab; + int iBaseCol = pVTab->bTablesUsed ? 4 : 8; + pIdxInfo->estimatedCost = (double)100; + pIdxInfo->estimatedRows = 100; + pIdxInfo->idxNum = 0; + for(i=0, p=pIdxInfo->aConstraint; i<pIdxInfo->nConstraint; i++, p++){ + if( p->usable==0 ) continue; + if( p->op==SQLITE_INDEX_CONSTRAINT_EQ && p->iColumn==iBaseCol+1 ){ + rc = SQLITE_OK; + pIdxInfo->aConstraintUsage[i].omit = 1; + pIdxInfo->aConstraintUsage[i].argvIndex = 1; + } + if( p->op==SQLITE_INDEX_CONSTRAINT_ISNULL && p->iColumn==iBaseCol ){ + pIdxInfo->aConstraintUsage[i].omit = 1; + pIdxInfo->idxNum = 1; + } + } + return rc; +} + +/* +** This following structure defines all the methods for the +** virtual table. +*/ +static sqlite3_module bytecodevtabModule = { + /* iVersion */ 0, + /* xCreate */ 0, + /* xConnect */ bytecodevtabConnect, + /* xBestIndex */ bytecodevtabBestIndex, + /* xDisconnect */ bytecodevtabDisconnect, + /* xDestroy */ 0, + /* xOpen */ bytecodevtabOpen, + /* xClose */ bytecodevtabClose, + /* xFilter */ bytecodevtabFilter, + /* xNext */ bytecodevtabNext, + /* xEof */ bytecodevtabEof, + /* xColumn */ bytecodevtabColumn, + /* xRowid */ bytecodevtabRowid, + /* xUpdate */ 0, + /* xBegin */ 0, + /* xSync */ 0, + /* xCommit */ 0, + /* xRollback */ 0, + /* xFindMethod */ 0, + /* xRename */ 0, + /* xSavepoint */ 0, + /* xRelease */ 0, + /* xRollbackTo */ 0, + /* xShadowName */ 0 +}; + + +SQLITE_PRIVATE int sqlite3VdbeBytecodeVtabInit(sqlite3 *db){ + int rc; + rc = sqlite3_create_module(db, "bytecode", &bytecodevtabModule, 0); + if( rc==SQLITE_OK ){ + rc = sqlite3_create_module(db, "tables_used", &bytecodevtabModule, &db); + } + return rc; +} +#elif defined(SQLITE_ENABLE_BYTECODE_VTAB) +SQLITE_PRIVATE int sqlite3VdbeBytecodeVtabInit(sqlite3 *db){ return SQLITE_OK; } +#endif /* SQLITE_ENABLE_BYTECODE_VTAB */ + +/************** End of vdbevtab.c ********************************************/ /************** Begin file memjournal.c **************************************/ /* ** 2008 October 7 @@ -95151,7 +97176,7 @@ static int memjrnlRead( assert( p->readpoint.iOffset==0 || p->readpoint.pChunk!=0 ); if( p->readpoint.iOffset!=iOfst || iOfst==0 ){ sqlite3_int64 iOff = 0; - for(pChunk=p->pFirst; + for(pChunk=p->pFirst; ALWAYS(pChunk) && (iOff+p->nChunkSize)<=iOfst; pChunk=pChunk->pNext ){ @@ -95186,7 +97211,7 @@ static void memjrnlFreeChunks(MemJournal *p){ for(pIter=p->pFirst; pIter; pIter=pNext){ pNext = pIter->pNext; sqlite3_free(pIter); - } + } p->pFirst = 0; } @@ -95258,7 +97283,7 @@ static int memjrnlWrite( ** access writes are not required. The only exception to this is when ** the in-memory journal is being used by a connection using the ** atomic-write optimization. In this case the first 28 bytes of the - ** journal file may be written as part of committing the transaction. */ + ** journal file may be written as part of committing the transaction. */ assert( iOfst==p->endpoint.iOffset || iOfst==0 ); #if defined(SQLITE_ENABLE_ATOMIC_WRITE) \ || defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE) @@ -95309,7 +97334,7 @@ static int memjrnlWrite( ** ** If the journal file is already on disk, truncate it there. Or, if it ** is still in main memory but is being truncated to zero bytes in size, -** ignore +** ignore */ static int memjrnlTruncate(sqlite3_file *pJfd, sqlite_int64 size){ MemJournal *p = (MemJournal *)pJfd; @@ -95336,8 +97361,8 @@ static int memjrnlClose(sqlite3_file *pJfd){ /* ** Sync the file. ** -** If the real file has been created, call its xSync method. Otherwise, -** syncing an in-memory journal is a no-op. +** If the real file has been created, call its xSync method. Otherwise, +** syncing an in-memory journal is a no-op. */ static int memjrnlSync(sqlite3_file *pJfd, int flags){ UNUSED_PARAMETER2(pJfd, flags); @@ -95378,11 +97403,11 @@ static const struct sqlite3_io_methods MemJournalMethods = { 0 /* xUnfetch */ }; -/* -** Open a journal file. +/* +** Open a journal file. ** -** The behaviour of the journal file depends on the value of parameter -** nSpill. If nSpill is 0, then the journal file is always create and +** The behaviour of the journal file depends on the value of parameter +** nSpill. If nSpill is 0, then the journal file is always create and ** accessed using the underlying VFS. If nSpill is less than zero, then ** all content is always stored in main-memory. Finally, if nSpill is a ** positive value, then the journal file is initially created in-memory @@ -95415,7 +97440,7 @@ SQLITE_PRIVATE int sqlite3JournalOpen( assert( MEMJOURNAL_DFLT_FILECHUNKSIZE==fileChunkSize(p->nChunkSize) ); } - p->pMethod = (const sqlite3_io_methods*)&MemJournalMethods; + pJfd->pMethods = (const sqlite3_io_methods*)&MemJournalMethods; p->nSpill = nSpill; p->flags = flags; p->zJournal = zName; @@ -95433,15 +97458,15 @@ SQLITE_PRIVATE void sqlite3MemJournalOpen(sqlite3_file *pJfd){ #if defined(SQLITE_ENABLE_ATOMIC_WRITE) \ || defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE) /* -** If the argument p points to a MemJournal structure that is not an +** If the argument p points to a MemJournal structure that is not an ** in-memory-only journal file (i.e. is one that was opened with a +ve -** nSpill parameter or as SQLITE_OPEN_MAIN_JOURNAL), and the underlying +** nSpill parameter or as SQLITE_OPEN_MAIN_JOURNAL), and the underlying ** file has not yet been created, create it now. */ SQLITE_PRIVATE int sqlite3JournalCreate(sqlite3_file *pJfd){ int rc = SQLITE_OK; MemJournal *p = (MemJournal*)pJfd; - if( p->pMethod==&MemJournalMethods && ( + if( pJfd->pMethods==&MemJournalMethods && ( #ifdef SQLITE_ENABLE_ATOMIC_WRITE p->nSpill>0 #else @@ -95469,7 +97494,7 @@ SQLITE_PRIVATE int sqlite3JournalIsInMemory(sqlite3_file *p){ return p->pMethods==&MemJournalMethods; } -/* +/* ** Return the number of bytes required to store a JournalFile that uses vfs ** pVfs to create the underlying on-disk files. */ @@ -95554,8 +97579,8 @@ static SQLITE_NOINLINE int walkExpr(Walker *pWalker, Expr *pExpr){ rc = pWalker->xExprCallback(pWalker, pExpr); if( rc ) return rc & WRC_Abort; if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){ + assert( pExpr->x.pList==0 || pExpr->pRight==0 ); if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort; - assert( pExpr->x.pList==0 || pExpr->pRight==0 ); if( pExpr->pRight ){ assert( !ExprHasProperty(pExpr, EP_WinFunc) ); pExpr = pExpr->pRight; @@ -95628,7 +97653,7 @@ SQLITE_PRIVATE int sqlite3WalkSelectExpr(Walker *pWalker, Select *p){ ** Walk the parse trees associated with all subqueries in the ** FROM clause of SELECT statement p. Do not invoke the select ** callback on p, but do invoke it on each FROM clause subquery -** and on any subqueries further down in the tree. Return +** and on any subqueries further down in the tree. Return ** WRC_Abort or WRC_Continue; */ SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){ @@ -95637,24 +97662,25 @@ SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){ struct SrcList_item *pItem; pSrc = p->pSrc; - assert( pSrc!=0 ); - for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ - if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){ - return WRC_Abort; - } - if( pItem->fg.isTabFunc - && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg) - ){ - return WRC_Abort; + if( pSrc ){ + for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ + if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){ + return WRC_Abort; + } + if( pItem->fg.isTabFunc + && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg) + ){ + return WRC_Abort; + } } } return WRC_Continue; -} +} /* ** Call sqlite3WalkExpr() for every expression in Select statement p. ** Invoke sqlite3WalkSelect() for subqueries in the FROM clause and -** on the compound select chain, p->pPrior. +** on the compound select chain, p->pPrior. ** ** If it is not NULL, the xSelectCallback() callback is invoked before ** the walk of the expressions and FROM clause. The xSelectCallback2() @@ -95688,6 +97714,43 @@ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ return WRC_Continue; } +/* Increase the walkerDepth when entering a subquery, and +** descrease when leaving the subquery. +*/ +SQLITE_PRIVATE int sqlite3WalkerDepthIncrease(Walker *pWalker, Select *pSelect){ + UNUSED_PARAMETER(pSelect); + pWalker->walkerDepth++; + return WRC_Continue; +} +SQLITE_PRIVATE void sqlite3WalkerDepthDecrease(Walker *pWalker, Select *pSelect){ + UNUSED_PARAMETER(pSelect); + pWalker->walkerDepth--; +} + + +/* +** No-op routine for the parse-tree walker. +** +** When this routine is the Walker.xExprCallback then expression trees +** are walked without any actions being taken at each node. Presumably, +** when this routine is used for Walker.xExprCallback then +** Walker.xSelectCallback is set to do something useful for every +** subquery in the parser tree. +*/ +SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker *NotUsed, Expr *NotUsed2){ + UNUSED_PARAMETER2(NotUsed, NotUsed2); + return WRC_Continue; +} + +/* +** No-op routine for the parse-tree walker for SELECT statements. +** subquery in the parser tree. +*/ +SQLITE_PRIVATE int sqlite3SelectWalkNoop(Walker *NotUsed, Select *NotUsed2){ + UNUSED_PARAMETER2(NotUsed, NotUsed2); + return WRC_Continue; +} + /************** End of walker.c **********************************************/ /************** Begin file resolve.c *****************************************/ /* @@ -95709,6 +97772,11 @@ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ /* #include "sqliteInt.h" */ /* +** Magic table number to mean the EXCLUDED table in an UPSERT statement. +*/ +#define EXCLUDED_TABLE_NUMBER 2 + +/* ** Walk the expression tree pExpr and increase the aggregate function ** depth (the Expr.op2 field) by N on every TK_AGG_FUNCTION node. ** This needs to occur when copying a TK_AGG_FUNCTION node from an @@ -95716,6 +97784,8 @@ SQLITE_PRIVATE int sqlite3WalkSelect(Walker *pWalker, Select *p){ ** ** incrAggFunctionDepth(pExpr,n) is the main routine. incrAggDepth(..) ** is a helper function - a callback for the tree walker. +** +** See also the sqlite3WindowExtraAggFuncDepth() routine in window.c */ static int incrAggDepth(Walker *pWalker, Expr *pExpr){ if( pExpr->op==TK_AGG_FUNCTION ) pExpr->op2 += pWalker->u.n; @@ -95773,7 +97843,7 @@ static void resolveAlias( pDup = sqlite3ExprAddCollateString(pParse, pDup, pExpr->u.zToken); } - /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This + /* Before calling sqlite3ExprDelete(), set the EP_Static flag. This ** prevents ExprDelete() from deleting the Expr structure itself, ** allowing it to be repopulated by the memcpy() on the following line. ** The pExpr->u.zToken might point into memory that will be freed by the @@ -95824,13 +97894,16 @@ static int nameInUsingClause(IdList *pUsing, const char *zCol){ ** and zCol. If any of zDb, zTab, and zCol are NULL then those fields will ** match anything. */ -SQLITE_PRIVATE int sqlite3MatchSpanName( - const char *zSpan, +SQLITE_PRIVATE int sqlite3MatchEName( + const struct ExprList_item *pItem, const char *zCol, const char *zTab, const char *zDb ){ int n; + const char *zSpan; + if( pItem->eEName!=ENAME_TAB ) return 0; + zSpan = pItem->zEName; for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){} if( zDb && (sqlite3StrNICmp(zSpan, zDb, n)!=0 || zDb[n]!=0) ){ return 0; @@ -95865,8 +97938,33 @@ static int areDoubleQuotedStringsEnabled(sqlite3 *db, NameContext *pTopNC){ } /* +** The argument is guaranteed to be a non-NULL Expr node of type TK_COLUMN. +** return the appropriate colUsed mask. +*/ +SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr *pExpr){ + int n; + Table *pExTab; + + n = pExpr->iColumn; + pExTab = pExpr->y.pTab; + assert( pExTab!=0 ); + if( (pExTab->tabFlags & TF_HasGenerated)!=0 + && (pExTab->aCol[n].colFlags & COLFLAG_GENERATED)!=0 + ){ + testcase( pExTab->nCol==BMS-1 ); + testcase( pExTab->nCol==BMS ); + return pExTab->nCol>=BMS ? ALLBITS : MASKBIT(pExTab->nCol)-1; + }else{ + testcase( n==BMS-1 ); + testcase( n==BMS ); + if( n>=BMS ) n = BMS-1; + return ((Bitmask)1)<<n; + } +} + +/* ** Given the name of a column of the form X.Y.Z or Y.Z or just Z, look up -** that name in the set of source tables in pSrcList and make the pExpr +** that name in the set of source tables in pSrcList and make the pExpr ** expression node refer back to that source column. The following changes ** are made to pExpr: ** @@ -95941,6 +98039,12 @@ static int lookupName( break; } } + if( i==db->nDb && sqlite3StrICmp("main", zDb)==0 ){ + /* This branch is taken when the main database has been renamed + ** using SQLITE_DBCONFIG_MAINDBNAME. */ + pSchema = db->aDb[0].pSchema; + zDb = db->aDb[0].zDbSName; + } } } @@ -95952,6 +98056,7 @@ static int lookupName( if( pSrcList ){ for(i=0, pItem=pSrcList->a; i<pSrcList->nSrc; i++, pItem++){ + u8 hCol; pTab = pItem->pTab; assert( pTab!=0 && pTab->zName!=0 ); assert( pTab->nCol>0 ); @@ -95959,7 +98064,7 @@ static int lookupName( int hit = 0; pEList = pItem->pSelect->pEList; for(j=0; j<pEList->nExpr; j++){ - if( sqlite3MatchSpanName(pEList->a[j].zSpan, zCol, zTab, zDb) ){ + if( sqlite3MatchEName(&pEList->a[j], zCol, zTab, zDb) ){ cnt++; cntTab = 2; pMatch = pItem; @@ -95985,10 +98090,11 @@ static int lookupName( if( 0==(cntTab++) ){ pMatch = pItem; } + hCol = sqlite3StrIHash(zCol); for(j=0, pCol=pTab->aCol; j<pTab->nCol; j++, pCol++){ - if( sqlite3StrICmp(pCol->zName, zCol)==0 ){ + if( pCol->hName==hCol && sqlite3StrICmp(pCol->zName, zCol)==0 ){ /* If there has been exactly one prior match and this match - ** is for the right-hand table of a NATURAL JOIN or is in a + ** is for the right-hand table of a NATURAL JOIN or is in a ** USING clause, then skip this match. */ if( cnt==1 ){ @@ -96016,7 +98122,7 @@ static int lookupName( } /* if( pSrcList ) */ #if !defined(SQLITE_OMIT_TRIGGER) || !defined(SQLITE_OMIT_UPSERT) - /* If we have not already resolved the name, then maybe + /* If we have not already resolved the name, then maybe ** it is a new.* or old.* trigger argument reference. Or ** maybe it is an excluded.* from an upsert. */ @@ -96040,17 +98146,18 @@ static int lookupName( Upsert *pUpsert = pNC->uNC.pUpsert; if( pUpsert && sqlite3StrICmp("excluded",zTab)==0 ){ pTab = pUpsert->pUpsertSrc->a[0].pTab; - pExpr->iTable = 2; + pExpr->iTable = EXCLUDED_TABLE_NUMBER; } } #endif /* SQLITE_OMIT_UPSERT */ - if( pTab ){ + if( pTab ){ int iCol; + u8 hCol = sqlite3StrIHash(zCol); pSchema = pTab->pSchema; cntTab++; for(iCol=0, pCol=pTab->aCol; iCol<pTab->nCol; iCol++, pCol++){ - if( sqlite3StrICmp(pCol->zName, zCol)==0 ){ + if( pCol->hName==hCol && sqlite3StrICmp(pCol->zName, zCol)==0 ){ if( iCol==pTab->iPKey ){ iCol = -1; } @@ -96064,14 +98171,15 @@ static int lookupName( if( iCol<pTab->nCol ){ cnt++; #ifndef SQLITE_OMIT_UPSERT - if( pExpr->iTable==2 ){ + if( pExpr->iTable==EXCLUDED_TABLE_NUMBER ){ testcase( iCol==(-1) ); if( IN_RENAME_OBJECT ){ pExpr->iColumn = iCol; pExpr->y.pTab = pTab; eNewExprOp = TK_COLUMN; }else{ - pExpr->iTable = pNC->uNC.pUpsert->regData + iCol; + pExpr->iTable = pNC->uNC.pUpsert->regData + + sqlite3TableColumnToStorage(pTab, iCol); eNewExprOp = TK_REGISTER; ExprSetProperty(pExpr, EP_Alias); } @@ -96106,7 +98214,7 @@ static int lookupName( if( cnt==0 && cntTab==1 && pMatch - && (pNC->ncFlags & NC_IdxExpr)==0 + && (pNC->ncFlags & (NC_IdxExpr|NC_GenCol))==0 && sqlite3IsRowid(zCol) && VisibleRowid(pMatch->pTab) ){ @@ -96140,8 +98248,10 @@ static int lookupName( pEList = pNC->uNC.pEList; assert( pEList!=0 ); for(j=0; j<pEList->nExpr; j++){ - char *zAs = pEList->a[j].zName; - if( zAs!=0 && sqlite3StrICmp(zAs, zCol)==0 ){ + char *zAs = pEList->a[j].zEName; + if( pEList->a[j].eEName==ENAME_NAME + && sqlite3_stricmp(zAs, zCol)==0 + ){ Expr *pOrig; assert( pExpr->pLeft==0 && pExpr->pRight==0 ); assert( pExpr->x.pList==0 ); @@ -96151,7 +98261,9 @@ static int lookupName( sqlite3ErrorMsg(pParse, "misuse of aliased aggregate %s", zAs); return WRC_Abort; } - if( (pNC->ncFlags&NC_AllowWin)==0 && ExprHasProperty(pOrig, EP_Win) ){ + if( ExprHasProperty(pOrig, EP_Win) + && ((pNC->ncFlags&NC_AllowWin)==0 || pNC!=pTopNC ) + ){ sqlite3ErrorMsg(pParse, "misuse of aliased window function %s",zAs); return WRC_Abort; } @@ -96168,7 +98280,7 @@ static int lookupName( } goto lookupname_end; } - } + } } /* Advance to the next name context. The loop will exit when either @@ -96243,18 +98355,20 @@ static int lookupName( /* If a column from a table in pSrcList is referenced, then record ** this fact in the pSrcList.a[].colUsed bitmask. Column 0 causes - ** bit 0 to be set. Column 1 sets bit 1. And so forth. If the - ** column number is greater than the number of bits in the bitmask - ** then set the high-order bit of the bitmask. + ** bit 0 to be set. Column 1 sets bit 1. And so forth. Bit 63 is + ** set if the 63rd or any subsequent column is used. + ** + ** The colUsed mask is an optimization used to help determine if an + ** index is a covering index. The correct answer is still obtained + ** if the mask contains extra set bits. However, it is important to + ** avoid setting bits beyond the maximum column number of the table. + ** (See ticket [b92e5e8ec2cdbaa1]). + ** + ** If a generated column is referenced, set bits for every column + ** of the table. */ if( pExpr->iColumn>=0 && pMatch!=0 ){ - int n = pExpr->iColumn; - testcase( n==BMS-1 ); - if( n>=BMS ){ - n = BMS-1; - } - assert( pMatch->iCursor==pExpr->iTable ); - pMatch->colUsed |= ((Bitmask)1)<<n; + pMatch->colUsed |= sqlite3ExprColUsed(pExpr); } /* Clean up and return @@ -96293,15 +98407,23 @@ SQLITE_PRIVATE Expr *sqlite3CreateColumnExpr(sqlite3 *db, SrcList *pSrc, int iSr Expr *p = sqlite3ExprAlloc(db, TK_COLUMN, 0, 0); if( p ){ struct SrcList_item *pItem = &pSrc->a[iSrc]; - p->y.pTab = pItem->pTab; + Table *pTab = p->y.pTab = pItem->pTab; p->iTable = pItem->iCursor; if( p->y.pTab->iPKey==iCol ){ p->iColumn = -1; }else{ p->iColumn = (ynVar)iCol; - testcase( iCol==BMS ); - testcase( iCol==BMS-1 ); - pItem->colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol); + if( (pTab->tabFlags & TF_HasGenerated)!=0 + && (pTab->aCol[iCol].colFlags & COLFLAG_GENERATED)!=0 + ){ + testcase( pTab->nCol==63 ); + testcase( pTab->nCol==64 ); + pItem->colUsed = pTab->nCol>=64 ? ALLBITS : MASKBIT(pTab->nCol)-1; + }else{ + testcase( iCol==BMS ); + testcase( iCol==BMS-1 ); + pItem->colUsed |= ((Bitmask)1)<<(iCol>=BMS ? BMS-1 : iCol); + } } } return p; @@ -96310,23 +98432,39 @@ SQLITE_PRIVATE Expr *sqlite3CreateColumnExpr(sqlite3 *db, SrcList *pSrc, int iSr /* ** Report an error that an expression is not valid for some set of ** pNC->ncFlags values determined by validMask. -*/ -static void notValid( - Parse *pParse, /* Leave error message here */ - NameContext *pNC, /* The name context */ - const char *zMsg, /* Type of error */ - int validMask /* Set of contexts for which prohibited */ -){ - assert( (validMask&~(NC_IsCheck|NC_PartIdx|NC_IdxExpr))==0 ); - if( (pNC->ncFlags & validMask)!=0 ){ - const char *zIn = "partial index WHERE clauses"; - if( pNC->ncFlags & NC_IdxExpr ) zIn = "index expressions"; +** +** static void notValid( +** Parse *pParse, // Leave error message here +** NameContext *pNC, // The name context +** const char *zMsg, // Type of error +** int validMask, // Set of contexts for which prohibited +** Expr *pExpr // Invalidate this expression on error +** ){...} +** +** As an optimization, since the conditional is almost always false +** (because errors are rare), the conditional is moved outside of the +** function call using a macro. +*/ +static void notValidImpl( + Parse *pParse, /* Leave error message here */ + NameContext *pNC, /* The name context */ + const char *zMsg, /* Type of error */ + Expr *pExpr /* Invalidate this expression on error */ +){ + const char *zIn = "partial index WHERE clauses"; + if( pNC->ncFlags & NC_IdxExpr ) zIn = "index expressions"; #ifndef SQLITE_OMIT_CHECK - else if( pNC->ncFlags & NC_IsCheck ) zIn = "CHECK constraints"; + else if( pNC->ncFlags & NC_IsCheck ) zIn = "CHECK constraints"; #endif - sqlite3ErrorMsg(pParse, "%s prohibited in %s", zMsg, zIn); - } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + else if( pNC->ncFlags & NC_GenCol ) zIn = "generated columns"; +#endif + sqlite3ErrorMsg(pParse, "%s prohibited in %s", zMsg, zIn); + if( pExpr ) pExpr->op = TK_NULL; } +#define sqlite3ResolveNotValid(P,N,M,X,E) \ + assert( ((X)&~(NC_IsCheck|NC_PartIdx|NC_IdxExpr|NC_GenCol))==0 ); \ + if( ((N)->ncFlags & (X))!=0 ) notValidImpl(P,N,M,E); /* ** Expression p should encode a floating point value between 1.0 and 0.0. @@ -96373,33 +98511,30 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ #endif switch( pExpr->op ){ -#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY) /* The special operator TK_ROW means use the rowid for the first ** column in the FROM clause. This is used by the LIMIT and ORDER BY - ** clause processing on UPDATE and DELETE statements. + ** clause processing on UPDATE and DELETE statements, and by + ** UPDATE ... FROM statement processing. */ case TK_ROW: { SrcList *pSrcList = pNC->pSrcList; struct SrcList_item *pItem; - assert( pSrcList && pSrcList->nSrc==1 ); + assert( pSrcList && pSrcList->nSrc>=1 ); pItem = pSrcList->a; - assert( HasRowid(pItem->pTab) && pItem->pTab->pSelect==0 ); pExpr->op = TK_COLUMN; pExpr->y.pTab = pItem->pTab; pExpr->iTable = pItem->iCursor; - pExpr->iColumn = -1; + pExpr->iColumn--; pExpr->affExpr = SQLITE_AFF_INTEGER; break; } -#endif /* defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) - && !defined(SQLITE_OMIT_SUBQUERY) */ /* A column name: ID ** Or table name and column name: ID.ID ** Or a database, table and column: ID.ID.ID ** ** The TK_ID and TK_OUT cases are combined so that there will only - ** be one call to lookupName(). Then the compiler will in-line + ** be one call to lookupName(). Then the compiler will in-line ** lookupName() for a size reduction and performance increase. */ case TK_ID: @@ -96415,7 +98550,10 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ zColumn = pExpr->u.zToken; }else{ Expr *pLeft = pExpr->pLeft; - notValid(pParse, pNC, "the \".\" operator", NC_IdxExpr); + testcase( pNC->ncFlags & NC_IdxExpr ); + testcase( pNC->ncFlags & NC_GenCol ); + sqlite3ResolveNotValid(pParse, pNC, "the \".\" operator", + NC_IdxExpr|NC_GenCol, 0); pRight = pExpr->pRight; if( pRight->op==TK_ID ){ zDb = 0; @@ -96485,7 +98623,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ ** to likelihood(X,0.9375). */ /* TUNING: unlikely() probability is 0.0625. likely() is 0.9375 */ pExpr->iTable = pDef->zName[0]=='u' ? 8388608 : 125829120; - } + } } #ifndef SQLITE_OMIT_AUTHORIZATION { @@ -96504,33 +98642,39 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ if( pDef->funcFlags & (SQLITE_FUNC_CONSTANT|SQLITE_FUNC_SLOCHNG) ){ /* For the purposes of the EP_ConstFunc flag, date and time ** functions and other functions that change slowly are considered - ** constant because they are constant for the duration of one query */ + ** constant because they are constant for the duration of one query. + ** This allows them to be factored out of inner loops. */ ExprSetProperty(pExpr,EP_ConstFunc); } if( (pDef->funcFlags & SQLITE_FUNC_CONSTANT)==0 ){ - /* Date/time functions that use 'now', and other functions like + /* Clearly non-deterministic functions like random(), but also + ** date/time functions that use 'now', and other functions like ** sqlite_version() that might change over time cannot be used - ** in an index. */ - notValid(pParse, pNC, "non-deterministic functions", - NC_IdxExpr|NC_PartIdx); + ** in an index or generated column. Curiously, they can be used + ** in a CHECK constraint. SQLServer, MySQL, and PostgreSQL all + ** all this. */ + sqlite3ResolveNotValid(pParse, pNC, "non-deterministic functions", + NC_IdxExpr|NC_PartIdx|NC_GenCol, 0); + }else{ + assert( (NC_SelfRef & 0xff)==NC_SelfRef ); /* Must fit in 8 bits */ + pExpr->op2 = pNC->ncFlags & NC_SelfRef; + if( pNC->ncFlags & NC_FromDDL ) ExprSetProperty(pExpr, EP_FromDDL); } if( (pDef->funcFlags & SQLITE_FUNC_INTERNAL)!=0 && pParse->nested==0 - && sqlite3Config.bInternalFunctions==0 + && (pParse->db->mDbFlags & DBFLAG_InternalFunc)==0 ){ /* Internal-use-only functions are disallowed unless the - ** SQL is being compiled using sqlite3NestedParse() */ + ** SQL is being compiled using sqlite3NestedParse() or + ** the SQLITE_TESTCTRL_INTERNAL_FUNCTIONS test-control has be + ** used to activate internal functionsn for testing purposes */ no_such_func = 1; pDef = 0; }else - if( (pDef->funcFlags & SQLITE_FUNC_DIRECT)!=0 - && ExprHasProperty(pExpr, EP_Indirect) + if( (pDef->funcFlags & (SQLITE_FUNC_DIRECT|SQLITE_FUNC_UNSAFE))!=0 && !IN_RENAME_OBJECT ){ - /* Functions tagged with SQLITE_DIRECTONLY may not be used - ** inside of triggers and views */ - sqlite3ErrorMsg(pParse, "%s() prohibited in triggers and views", - pDef->zName); + sqlite3ExprFunctionUsable(pParse, pExpr, pDef); } } @@ -96541,11 +98685,11 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ || (pDef->xValue && pDef->xInverse && pDef->xSFunc && pDef->xFinalize) ); if( pDef && pDef->xValue==0 && pWin ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "%.*s() may not be used as a window function", nId, zId ); pNC->nErr++; - }else if( + }else if( (is_agg && (pNC->ncFlags & NC_AllowAgg)==0) || (is_agg && (pDef->funcFlags&SQLITE_FUNC_WINDOW) && !pWin) || (is_agg && pWin && (pNC->ncFlags & NC_AllowWin)==0) @@ -96581,8 +98725,8 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ } #ifndef SQLITE_OMIT_WINDOWFUNC else if( is_agg==0 && ExprHasProperty(pExpr, EP_WinFunc) ){ - sqlite3ErrorMsg(pParse, - "FILTER may not be used with non-aggregate %.*s()", + sqlite3ErrorMsg(pParse, + "FILTER may not be used with non-aggregate %.*s()", nId, zId ); pNC->nErr++; @@ -96611,7 +98755,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ Select *pSel = pNC->pWinSelect; assert( pWin==pExpr->y.pWin ); if( IN_RENAME_OBJECT==0 ){ - sqlite3WindowUpdate(pParse, pSel->pWinDefn, pWin, pDef); + sqlite3WindowUpdate(pParse, pSel ? pSel->pWinDefn : 0, pWin, pDef); } sqlite3WalkExprList(pWalker, pWin->pPartition); sqlite3WalkExprList(pWalker, pWin->pOrderBy); @@ -96644,7 +98788,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ pNC->ncFlags |= savedAllowFlags; } /* FIX ME: Compute pExpr->affinity based on the expected return - ** type of the function + ** type of the function */ return WRC_Prune; } @@ -96656,7 +98800,12 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_IN ); if( ExprHasProperty(pExpr, EP_xIsSelect) ){ int nRef = pNC->nRef; - notValid(pParse, pNC, "subqueries", NC_IsCheck|NC_PartIdx|NC_IdxExpr); + testcase( pNC->ncFlags & NC_IsCheck ); + testcase( pNC->ncFlags & NC_PartIdx ); + testcase( pNC->ncFlags & NC_IdxExpr ); + testcase( pNC->ncFlags & NC_GenCol ); + sqlite3ResolveNotValid(pParse, pNC, "subqueries", + NC_IsCheck|NC_PartIdx|NC_IdxExpr|NC_GenCol, pExpr); sqlite3WalkSelect(pWalker, pExpr->x.pSelect); assert( pNC->nRef>=nRef ); if( nRef!=pNC->nRef ){ @@ -96667,7 +98816,12 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ break; } case TK_VARIABLE: { - notValid(pParse, pNC, "parameters", NC_IsCheck|NC_PartIdx|NC_IdxExpr); + testcase( pNC->ncFlags & NC_IsCheck ); + testcase( pNC->ncFlags & NC_PartIdx ); + testcase( pNC->ncFlags & NC_IdxExpr ); + testcase( pNC->ncFlags & NC_GenCol ); + sqlite3ResolveNotValid(pParse, pNC, "parameters", + NC_IsCheck|NC_PartIdx|NC_IdxExpr|NC_GenCol, pExpr); break; } case TK_IS: @@ -96676,7 +98830,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ assert( !ExprHasProperty(pExpr, EP_Reduced) ); /* Handle special cases of "x IS TRUE", "x IS FALSE", "x IS NOT TRUE", ** and "x IS NOT FALSE". */ - if( pRight->op==TK_ID ){ + if( pRight && pRight->op==TK_ID ){ int rc = resolveExprStep(pWalker, pRight); if( rc==WRC_Abort ) return WRC_Abort; if( pRight->op==TK_TRUEFALSE ){ @@ -96685,7 +98839,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ return WRC_Continue; } } - /* Fall thru */ + /* no break */ deliberate_fall_through } case TK_BETWEEN: case TK_EQ: @@ -96719,7 +98873,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_BETWEEN ); sqlite3ErrorMsg(pParse, "row value misused"); } - break; + break; } } return (pParse->nErr || pParse->db->mallocFailed) ? WRC_Abort : WRC_Continue; @@ -96749,8 +98903,9 @@ static int resolveAsName( if( pE->op==TK_ID ){ char *zCol = pE->u.zToken; for(i=0; i<pEList->nExpr; i++){ - char *zAs = pEList->a[i].zName; - if( zAs!=0 && sqlite3StrICmp(zAs, zCol)==0 ){ + if( pEList->a[i].eEName==ENAME_NAME + && sqlite3_stricmp(pEList->a[i].zEName, zCol)==0 + ){ return i+1; } } @@ -96801,7 +98956,7 @@ static int resolveOrderByTermToExprList( nc.nErr = 0; db = pParse->db; savedSuppErr = db->suppressErr; - db->suppressErr = 1; + if( IN_RENAME_OBJECT==0 ) db->suppressErr = 1; rc = sqlite3ResolveExprNames(&nc, pE); db->suppressErr = savedSuppErr; if( rc ) return 0; @@ -96829,7 +98984,7 @@ static void resolveOutOfRangeError( int i, /* The index (1-based) of the term out of range */ int mx /* Largest permissible value of i */ ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "%r %s BY term out of range - should be " "between 1 and %d", i, zType, mx); } @@ -96893,7 +99048,7 @@ static int resolveCompoundOrderBy( iCol = resolveAsName(pParse, pEList, pE); if( iCol==0 ){ /* Now test if expression pE matches one of the values returned - ** by pSelect. In the usual case this is done by duplicating the + ** by pSelect. In the usual case this is done by duplicating the ** expression, resolving any symbols in it, and then comparing ** it against each expression returned by the SELECT statement. ** Once the comparisons are finished, the duplicate expression @@ -97117,7 +99272,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ ExprList *pGroupBy; /* The GROUP BY clause */ Select *pLeftmost; /* Left-most of SELECT of a compound */ sqlite3 *db; /* Database connection */ - + assert( p!=0 ); if( p->selFlags & SF_Resolved ){ @@ -97171,7 +99326,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ pSub->pOrderBy = p->pOrderBy; p->pOrderBy = 0; } - + /* Recursively resolve names in all subqueries */ for(i=0; i<p->pSrc->nSrc; i++){ @@ -97198,19 +99353,19 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ pItem->fg.isCorrelated = (nRef!=0); } } - + /* Set up the local name-context to pass to sqlite3ResolveExprNames() to ** resolve the result-set expression list. */ sNC.ncFlags = NC_AllowAgg|NC_AllowWin; sNC.pSrcList = p->pSrc; sNC.pNext = pOuterNC; - + /* Resolve names in the result set. */ if( sqlite3ResolveExprListNames(&sNC, p->pEList) ) return WRC_Abort; sNC.ncFlags &= ~NC_AllowWin; - - /* If there are no aggregate functions in the result-set, and no GROUP BY + + /* If there are no aggregate functions in the result-set, and no GROUP BY ** expression, do not allow aggregates in any of the other expressions. */ assert( (p->selFlags & SF_Aggregate)==0 ); @@ -97221,14 +99376,14 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ }else{ sNC.ncFlags &= ~NC_AllowAgg; } - + /* If a HAVING clause is present, then there must be a GROUP BY clause. */ if( p->pHaving && !pGroupBy ){ sqlite3ErrorMsg(pParse, "a GROUP BY clause is required before HAVING"); return WRC_Abort; } - + /* Add the output column list to the name-context before parsing the ** other expressions in the SELECT statement. This is so that ** expressions in the WHERE clause (etc.) can refer to expressions by @@ -97247,19 +99402,19 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ for(i=0; i<p->pSrc->nSrc; i++){ struct SrcList_item *pItem = &p->pSrc->a[i]; if( pItem->fg.isTabFunc - && sqlite3ResolveExprListNames(&sNC, pItem->u1.pFuncArg) + && sqlite3ResolveExprListNames(&sNC, pItem->u1.pFuncArg) ){ return WRC_Abort; } } /* The ORDER BY and GROUP BY clauses may not refer to terms in - ** outer queries + ** outer queries */ sNC.pNext = 0; sNC.ncFlags |= NC_AllowAgg|NC_AllowWin; - /* If this is a converted compound query, move the ORDER BY clause from + /* If this is a converted compound query, move the ORDER BY clause from ** the sub-query back to the parent query. At this point each term ** within the ORDER BY clause has been transformed to an integer value. ** These integers will be replaced by copies of the corresponding result @@ -97289,13 +99444,13 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ return WRC_Abort; } sNC.ncFlags &= ~NC_AllowWin; - - /* Resolve the GROUP BY clause. At the same time, make sure + + /* Resolve the GROUP BY clause. At the same time, make sure ** the GROUP BY clause does not contain aggregate functions. */ if( pGroupBy ){ struct ExprList_item *pItem; - + if( resolveOrderGroupBy(&sNC, p, pGroupBy, "GROUP") || db->mallocFailed ){ return WRC_Abort; } @@ -97350,7 +99505,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ ** checking on function usage and set a flag if any aggregate functions ** are seen. ** -** To resolve table columns references we look for nodes (or subtrees) of the +** To resolve table columns references we look for nodes (or subtrees) of the ** form X.Y.Z or Y.Z or just Z where ** ** X: The name of a database. Ex: "main" or "temp" or @@ -97382,7 +99537,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ ** ** SELECT a+b AS x, c+d AS y FROM t1 ORDER BY a+b; ** -** Function calls are checked to make sure that the function is +** Function calls are checked to make sure that the function is ** defined and that the correct number of arguments are specified. ** If the function is an aggregate function, then the NC_HasAgg flag is ** set and the opcode is changed from TK_FUNCTION to TK_AGG_FUNCTION. @@ -97392,7 +99547,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){ ** An error message is left in pParse if anything is amiss. The number ** if errors is returned. */ -SQLITE_PRIVATE int sqlite3ResolveExprNames( +SQLITE_PRIVATE int sqlite3ResolveExprNames( NameContext *pNC, /* Namespace to resolve expressions in. */ Expr *pExpr /* The expression to be analyzed. */ ){ @@ -97431,16 +99586,46 @@ SQLITE_PRIVATE int sqlite3ResolveExprNames( ** just like sqlite3ResolveExprNames() except that it works for an expression ** list rather than a single expression. */ -SQLITE_PRIVATE int sqlite3ResolveExprListNames( +SQLITE_PRIVATE int sqlite3ResolveExprListNames( NameContext *pNC, /* Namespace to resolve expressions in. */ ExprList *pList /* The expression list to be analyzed. */ ){ int i; - if( pList ){ - for(i=0; i<pList->nExpr; i++){ - if( sqlite3ResolveExprNames(pNC, pList->a[i].pExpr) ) return WRC_Abort; + int savedHasAgg = 0; + Walker w; + if( pList==0 ) return WRC_Continue; + w.pParse = pNC->pParse; + w.xExprCallback = resolveExprStep; + w.xSelectCallback = resolveSelectStep; + w.xSelectCallback2 = 0; + w.u.pNC = pNC; + savedHasAgg = pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin); + pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin); + for(i=0; i<pList->nExpr; i++){ + Expr *pExpr = pList->a[i].pExpr; + if( pExpr==0 ) continue; +#if SQLITE_MAX_EXPR_DEPTH>0 + w.pParse->nHeight += pExpr->nHeight; + if( sqlite3ExprCheckHeight(w.pParse, w.pParse->nHeight) ){ + return WRC_Abort; + } +#endif + sqlite3WalkExpr(&w, pExpr); +#if SQLITE_MAX_EXPR_DEPTH>0 + w.pParse->nHeight -= pExpr->nHeight; +#endif + assert( EP_Agg==NC_HasAgg ); + assert( EP_Win==NC_HasWin ); + testcase( pNC->ncFlags & NC_HasAgg ); + testcase( pNC->ncFlags & NC_HasWin ); + if( pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin) ){ + ExprSetProperty(pExpr, pNC->ncFlags & (NC_HasAgg|NC_HasWin) ); + savedHasAgg |= pNC->ncFlags & (NC_HasAgg|NC_MinMaxAgg|NC_HasWin); + pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin); } + if( pNC->nErr>0 || w.pParse->nErr>0 ) return WRC_Abort; } + pNC->ncFlags |= savedHasAgg; return WRC_Continue; } @@ -97476,10 +99661,13 @@ SQLITE_PRIVATE void sqlite3ResolveSelectNames( ** Resolve names in expressions that can only reference a single table ** or which cannot reference any tables at all. Examples: ** -** (1) CHECK constraints -** (2) WHERE clauses on partial indices -** (3) Expressions in indexes on expressions -** (4) Expression arguments to VACUUM INTO. +** "type" flag +** ------------ +** (1) CHECK constraints NC_IsCheck +** (2) WHERE clauses on partial indices NC_PartIdx +** (3) Expressions in indexes on expressions NC_IdxExpr +** (4) Expression arguments to VACUUM INTO. 0 +** (5) GENERATED ALWAYS as expressions NC_GenCol ** ** In all cases except (4), the Expr.iTable value for Expr.op==TK_COLUMN ** nodes of the expression is set to -1 and the Expr.iColumn value is @@ -97488,18 +99676,19 @@ SQLITE_PRIVATE void sqlite3ResolveSelectNames( ** Any errors cause an error message to be set in pParse. */ SQLITE_PRIVATE int sqlite3ResolveSelfReference( - Parse *pParse, /* Parsing context */ - Table *pTab, /* The table being referenced, or NULL */ - int type, /* NC_IsCheck or NC_PartIdx or NC_IdxExpr, or 0 */ - Expr *pExpr, /* Expression to resolve. May be NULL. */ - ExprList *pList /* Expression list to resolve. May be NULL. */ + Parse *pParse, /* Parsing context */ + Table *pTab, /* The table being referenced, or NULL */ + int type, /* NC_IsCheck, NC_PartIdx, NC_IdxExpr, NC_GenCol, or 0 */ + Expr *pExpr, /* Expression to resolve. May be NULL. */ + ExprList *pList /* Expression list to resolve. May be NULL. */ ){ SrcList sSrc; /* Fake SrcList for pParse->pNewTable */ NameContext sNC; /* Name context for pParse->pNewTable */ int rc; assert( type==0 || pTab!=0 ); - assert( type==NC_IsCheck || type==NC_PartIdx || type==NC_IdxExpr || pTab==0 ); + assert( type==NC_IsCheck || type==NC_PartIdx || type==NC_IdxExpr + || type==NC_GenCol || pTab==0 ); memset(&sNC, 0, sizeof(sNC)); memset(&sSrc, 0, sizeof(sSrc)); if( pTab ){ @@ -97507,6 +99696,11 @@ SQLITE_PRIVATE int sqlite3ResolveSelfReference( sSrc.a[0].zName = pTab->zName; sSrc.a[0].pTab = pTab; sSrc.a[0].iCursor = -1; + if( pTab->pSchema!=pParse->db->aDb[1].pSchema ){ + /* Cause EP_FromDDL to be set on TK_FUNCTION nodes of non-TEMP + ** schema elements */ + type |= NC_FromDDL; + } } sNC.pParse = pParse; sNC.pSrcList = &sSrc; @@ -97550,7 +99744,7 @@ SQLITE_PRIVATE char sqlite3TableColumnAffinity(Table *pTab, int iCol){ ** Return the 'affinity' of the expression pExpr if any. ** ** If pExpr is a column, a reference to a column via an 'AS' alias, -** or a sub-select with a column as the return value, then the +** or a sub-select with a column as the return value, then the ** affinity of that column is returned. Otherwise, 0x00 is returned, ** indicating no affinity for the expression. ** @@ -97562,16 +99756,19 @@ SQLITE_PRIVATE char sqlite3TableColumnAffinity(Table *pTab, int iCol){ ** SELECT a AS b FROM t1 WHERE b; ** SELECT * FROM t1 WHERE (select a from t1); */ -SQLITE_PRIVATE char sqlite3ExprAffinity(Expr *pExpr){ +SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr){ int op; while( ExprHasProperty(pExpr, EP_Skip) ){ - assert( pExpr->op==TK_COLLATE ); + assert( pExpr->op==TK_COLLATE || pExpr->op==TK_IF_NULL_ROW ); pExpr = pExpr->pLeft; assert( pExpr!=0 ); } op = pExpr->op; if( op==TK_SELECT ){ assert( pExpr->flags&EP_xIsSelect ); + assert( pExpr->x.pSelect!=0 ); + assert( pExpr->x.pSelect->pEList!=0 ); + assert( pExpr->x.pSelect->pEList->a[0].pExpr!=0 ); return sqlite3ExprAffinity(pExpr->x.pSelect->pEList->a[0].pExpr); } if( op==TK_REGISTER ) op = pExpr->op2; @@ -97590,6 +99787,9 @@ SQLITE_PRIVATE char sqlite3ExprAffinity(Expr *pExpr){ pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr ); } + if( op==TK_VECTOR ){ + return sqlite3ExprAffinity(pExpr->x.pList->a[0].pExpr); + } return pExpr->affExpr; } @@ -97629,9 +99829,9 @@ SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(Parse *pParse, Expr *pExpr, con */ SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr *pExpr){ while( pExpr && ExprHasProperty(pExpr, EP_Skip) ){ - assert( pExpr->op==TK_COLLATE ); + assert( pExpr->op==TK_COLLATE || pExpr->op==TK_IF_NULL_ROW ); pExpr = pExpr->pLeft; - } + } return pExpr; } @@ -97648,10 +99848,10 @@ SQLITE_PRIVATE Expr *sqlite3ExprSkipCollateAndLikely(Expr *pExpr){ assert( pExpr->op==TK_FUNCTION ); pExpr = pExpr->x.pList->a[0].pExpr; }else{ - assert( pExpr->op==TK_COLLATE ); + assert( pExpr->op==TK_COLLATE || pExpr->op==TK_IF_NULL_ROW ); pExpr = pExpr->pLeft; } - } + } return pExpr; } @@ -97669,10 +99869,10 @@ SQLITE_PRIVATE Expr *sqlite3ExprSkipCollateAndLikely(Expr *pExpr){ ** COLLATE operators take first precedence. Left operands take ** precedence over right operands. */ -SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){ +SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ sqlite3 *db = pParse->db; CollSeq *pColl = 0; - Expr *p = pExpr; + const Expr *p = pExpr; while( p ){ int op = p->op; if( op==TK_REGISTER ) op = p->op2; @@ -97692,6 +99892,10 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){ p = p->pLeft; continue; } + if( op==TK_VECTOR ){ + p = p->x.pList->a[0].pExpr; + continue; + } if( op==TK_COLLATE ){ pColl = sqlite3GetCollSeq(pParse, ENC(db), 0, p->u.zToken); break; @@ -97703,10 +99907,10 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){ Expr *pNext = p->pRight; /* The Expr.x union is never used at the same time as Expr.pRight */ assert( p->x.pList==0 || p->pRight==0 ); - /* p->flags holds EP_Collate and p->pLeft->flags does not. And - ** p->x.pSelect cannot. So if p->x.pLeft exists, it must hold at - ** least one EP_Collate. Thus the following two ALWAYS. */ - if( p->x.pList!=0 && ALWAYS(!ExprHasProperty(p, EP_xIsSelect)) ){ + if( p->x.pList!=0 + && !db->mallocFailed + && ALWAYS(!ExprHasProperty(p, EP_xIsSelect)) + ){ int i; for(i=0; ALWAYS(i<p->x.pList->nExpr); i++){ if( ExprHasProperty(p->x.pList->a[i].pExpr, EP_Collate) ){ @@ -97721,7 +99925,7 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){ break; } } - if( sqlite3CheckCollSeq(pParse, pColl) ){ + if( sqlite3CheckCollSeq(pParse, pColl) ){ pColl = 0; } return pColl; @@ -97737,7 +99941,7 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){ ** The sqlite3ExprCollSeq() routine works the same except that it ** returns NULL if there is no defined collation. */ -SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, Expr *pExpr){ +SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, const Expr *pExpr){ CollSeq *p = sqlite3ExprCollSeq(pParse, pExpr); if( p==0 ) p = pParse->db->pDfltColl; assert( p!=0 ); @@ -97747,7 +99951,7 @@ SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, Expr *pExpr){ /* ** Return TRUE if the two expressions have equivalent collating sequences. */ -SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse *pParse, Expr *pE1, Expr *pE2){ +SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse *pParse, const Expr *pE1, const Expr *pE2){ CollSeq *pColl1 = sqlite3ExprNNCollSeq(pParse, pE1); CollSeq *pColl2 = sqlite3ExprNNCollSeq(pParse, pE2); return sqlite3StrICmp(pColl1->zName, pColl2->zName)==0; @@ -97758,7 +99962,7 @@ SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse *pParse, Expr *pE1, Expr *pE2){ ** type affinity of the other operand. This routine returns the ** type affinity that should be used for the comparison operator. */ -SQLITE_PRIVATE char sqlite3CompareAffinity(Expr *pExpr, char aff2){ +SQLITE_PRIVATE char sqlite3CompareAffinity(const Expr *pExpr, char aff2){ char aff1 = sqlite3ExprAffinity(pExpr); if( aff1>SQLITE_AFF_NONE && aff2>SQLITE_AFF_NONE ){ /* Both sides of the comparison are columns. If one has numeric @@ -97780,7 +99984,7 @@ SQLITE_PRIVATE char sqlite3CompareAffinity(Expr *pExpr, char aff2){ ** pExpr is a comparison operator. Return the type affinity that should ** be applied to both operands prior to doing the comparison. */ -static char comparisonAffinity(Expr *pExpr){ +static char comparisonAffinity(const Expr *pExpr){ char aff; assert( pExpr->op==TK_EQ || pExpr->op==TK_IN || pExpr->op==TK_LT || pExpr->op==TK_GT || pExpr->op==TK_GE || pExpr->op==TK_LE || @@ -97803,7 +100007,7 @@ static char comparisonAffinity(Expr *pExpr){ ** if the index with affinity idx_affinity may be used to implement ** the comparison in pExpr. */ -SQLITE_PRIVATE int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity){ +SQLITE_PRIVATE int sqlite3IndexAffinityOk(const Expr *pExpr, char idx_affinity){ char aff = comparisonAffinity(pExpr); if( aff<SQLITE_AFF_TEXT ){ return 1; @@ -97818,7 +100022,11 @@ SQLITE_PRIVATE int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity){ ** Return the P5 value that should be used for a binary comparison ** opcode (OP_Eq, OP_Ge etc.) used to compare pExpr1 and pExpr2. */ -static u8 binaryCompareP5(Expr *pExpr1, Expr *pExpr2, int jumpIfNull){ +static u8 binaryCompareP5( + const Expr *pExpr1, /* Left operand */ + const Expr *pExpr2, /* Right operand */ + int jumpIfNull /* Extra flags added to P5 */ +){ u8 aff = (char)sqlite3ExprAffinity(pExpr2); aff = (u8)sqlite3CompareAffinity(pExpr1, aff) | (u8)jumpIfNull; return aff; @@ -97837,9 +100045,9 @@ static u8 binaryCompareP5(Expr *pExpr1, Expr *pExpr2, int jumpIfNull){ ** it is not considered. */ SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq( - Parse *pParse, - Expr *pLeft, - Expr *pRight + Parse *pParse, + const Expr *pLeft, + const Expr *pRight ){ CollSeq *pColl; assert( pLeft ); @@ -97856,6 +100064,22 @@ SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq( return pColl; } +/* Expresssion p is a comparison operator. Return a collation sequence +** appropriate for the comparison operator. +** +** This is normally just a wrapper around sqlite3BinaryCompareCollSeq(). +** However, if the OP_Commuted flag is set, then the order of the operands +** is reversed in the sqlite3BinaryCompareCollSeq() call so that the +** correct collating sequence is found. +*/ +SQLITE_PRIVATE CollSeq *sqlite3ExprCompareCollSeq(Parse *pParse, const Expr *p){ + if( ExprHasProperty(p, EP_Commuted) ){ + return sqlite3BinaryCompareCollSeq(pParse, p->pRight, p->pLeft); + }else{ + return sqlite3BinaryCompareCollSeq(pParse, p->pLeft, p->pRight); + } +} + /* ** Generate code for a comparison operator. */ @@ -97866,13 +100090,19 @@ static int codeCompare( int opcode, /* The comparison opcode */ int in1, int in2, /* Register holding operands */ int dest, /* Jump here if true. */ - int jumpIfNull /* If true, jump if either operand is NULL */ + int jumpIfNull, /* If true, jump if either operand is NULL */ + int isCommuted /* The comparison has been commuted */ ){ int p5; int addr; CollSeq *p4; - p4 = sqlite3BinaryCompareCollSeq(pParse, pLeft, pRight); + if( pParse->nErr ) return 0; + if( isCommuted ){ + p4 = sqlite3BinaryCompareCollSeq(pParse, pRight, pLeft); + }else{ + p4 = sqlite3BinaryCompareCollSeq(pParse, pLeft, pRight); + } p5 = binaryCompareP5(pLeft, pRight, jumpIfNull); addr = sqlite3VdbeAddOp4(pParse->pVdbe, opcode, in2, dest, in1, (void*)p4, P4_COLLSEQ); @@ -97894,7 +100124,7 @@ SQLITE_PRIVATE int sqlite3ExprIsVector(Expr *pExpr){ } /* -** If the expression passed as the only argument is of type TK_VECTOR +** If the expression passed as the only argument is of type TK_VECTOR ** return the number of expressions in the vector. Or, if the expression ** is a sub-select, return the number of columns in the sub-select. For ** any other type of expression, return 1. @@ -97944,7 +100174,7 @@ SQLITE_PRIVATE Expr *sqlite3VectorFieldSubexpr(Expr *pVector, int i){ ** sqlite3ExprCode() will generate all necessary code to compute ** the iField-th column of the vector expression pVector. ** -** It is ok for pVector to be a scalar (as long as iField==0). +** It is ok for pVector to be a scalar (as long as iField==0). ** In that case, this routine works like sqlite3ExprDup(). ** ** The caller owns the returned Expr object and is responsible for @@ -98000,7 +100230,7 @@ SQLITE_PRIVATE Expr *sqlite3ExprForVectorField( /* ** If expression pExpr is of type TK_SELECT, generate code to evaluate -** it. Return the register in which the result is stored (or, if the +** it. Return the register in which the result is stored (or, if the ** sub-select returns more than one column, the first in an array ** of registers in which the result is stored). ** @@ -98022,10 +100252,10 @@ static int exprCodeSubselect(Parse *pParse, Expr *pExpr){ ** the register number of a register that contains the value of ** element iField of the vector. ** -** If pVector is a TK_SELECT expression, then code for it must have +** If pVector is a TK_SELECT expression, then code for it must have ** already been generated using the exprCodeSubselect() routine. In this ** case parameter regSelect should be the first in an array of registers -** containing the results of the sub-select. +** containing the results of the sub-select. ** ** If pVector is of type TK_VECTOR, then code for the requested field ** is generated. In this case (*pRegFree) may be set to the number of @@ -98083,15 +100313,18 @@ static void codeVectorCompare( int regRight = 0; u8 opx = op; int addrDone = sqlite3VdbeMakeLabel(pParse); + int isCommuted = ExprHasProperty(pExpr,EP_Commuted); + assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); + if( pParse->nErr ) return; if( nLeft!=sqlite3ExprVectorSize(pRight) ){ sqlite3ErrorMsg(pParse, "row value misused"); return; } - assert( pExpr->op==TK_EQ || pExpr->op==TK_NE - || pExpr->op==TK_IS || pExpr->op==TK_ISNOT - || pExpr->op==TK_LT || pExpr->op==TK_GT - || pExpr->op==TK_LE || pExpr->op==TK_GE + assert( pExpr->op==TK_EQ || pExpr->op==TK_NE + || pExpr->op==TK_IS || pExpr->op==TK_ISNOT + || pExpr->op==TK_LT || pExpr->op==TK_GT + || pExpr->op==TK_LE || pExpr->op==TK_GE ); assert( pExpr->op==op || (pExpr->op==TK_IS && op==TK_EQ) || (pExpr->op==TK_ISNOT && op==TK_NE) ); @@ -98107,12 +100340,12 @@ static void codeVectorCompare( for(i=0; 1 /*Loop exits by "break"*/; i++){ int regFree1 = 0, regFree2 = 0; - Expr *pL, *pR; + Expr *pL, *pR; int r1, r2; assert( i>=0 && i<nLeft ); r1 = exprVectorRegister(pParse, pLeft, i, regLeft, &pL, ®Free1); r2 = exprVectorRegister(pParse, pRight, i, regRight, &pR, ®Free2); - codeCompare(pParse, pL, pR, opx, r1, r2, dest, p5); + codeCompare(pParse, pL, pR, opx, r1, r2, dest, p5, isCommuted); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le); testcase(op==OP_Gt); VdbeCoverageIf(v,op==OP_Gt); @@ -98153,7 +100386,7 @@ SQLITE_PRIVATE int sqlite3ExprCheckHeight(Parse *pParse, int nHeight){ int rc = SQLITE_OK; int mxHeight = pParse->db->aLimit[SQLITE_LIMIT_EXPR_DEPTH]; if( nHeight>mxHeight ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "Expression tree is too large (maximum depth %d)", mxHeight ); rc = SQLITE_ERROR; @@ -98198,10 +100431,10 @@ static void heightOfSelect(Select *pSelect, int *pnHeight){ } /* -** Set the Expr.nHeight variable in the structure passed as an -** argument. An expression with no children, Expr.pList or +** Set the Expr.nHeight variable in the structure passed as an +** argument. An expression with no children, Expr.pList or ** Expr.pSelect member has a height of 1. Any other expression -** has a height equal to the maximum height of any other +** has a height equal to the maximum height of any other ** referenced Expr plus one. ** ** Also propagate EP_Propagate flags up from Expr.x.pList to Expr.flags, @@ -98226,7 +100459,7 @@ static void exprSetHeight(Expr *p){ ** leave an error in pParse. ** ** Also propagate all EP_Propagate flags from the Expr.x.pList into -** Expr.flags. +** Expr.flags. */ SQLITE_PRIVATE void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ if( pParse->nErr ) return; @@ -98246,7 +100479,7 @@ SQLITE_PRIVATE int sqlite3SelectExprHeight(Select *p){ #else /* ABOVE: Height enforcement enabled. BELOW: Height enforcement off */ /* ** Propagate all EP_Propagate flags from the Expr.x.pList into -** Expr.flags. +** Expr.flags. */ SQLITE_PRIVATE void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){ if( p && p->x.pList && !ExprHasProperty(p, EP_xIsSelect) ){ @@ -98315,7 +100548,7 @@ SQLITE_PRIVATE Expr *sqlite3ExprAlloc( } #if SQLITE_MAX_EXPR_DEPTH>0 pNew->nHeight = 1; -#endif +#endif } return pNew; } @@ -98422,9 +100655,11 @@ SQLITE_PRIVATE Expr *sqlite3ExprAnd(Parse *pParse, Expr *pLeft, Expr *pRight){ return pRight; }else if( pRight==0 ){ return pLeft; - }else if( ExprAlwaysFalse(pLeft) || ExprAlwaysFalse(pRight) ){ - sqlite3ExprUnmapAndDelete(pParse, pLeft); - sqlite3ExprUnmapAndDelete(pParse, pRight); + }else if( (ExprAlwaysFalse(pLeft) || ExprAlwaysFalse(pRight)) + && !IN_RENAME_OBJECT + ){ + sqlite3ExprDelete(db, pLeft); + sqlite3ExprDelete(db, pRight); return sqlite3Expr(db, TK_INTEGER, "0"); }else{ return sqlite3PExpr(pParse, TK_AND, pLeft, pRight); @@ -98461,8 +100696,42 @@ SQLITE_PRIVATE Expr *sqlite3ExprFunction( } /* +** Check to see if a function is usable according to current access +** rules: +** +** SQLITE_FUNC_DIRECT - Only usable from top-level SQL +** +** SQLITE_FUNC_UNSAFE - Usable if TRUSTED_SCHEMA or from +** top-level SQL +** +** If the function is not usable, create an error. +*/ +SQLITE_PRIVATE void sqlite3ExprFunctionUsable( + Parse *pParse, /* Parsing and code generating context */ + Expr *pExpr, /* The function invocation */ + FuncDef *pDef /* The function being invoked */ +){ + assert( !IN_RENAME_OBJECT ); + assert( (pDef->funcFlags & (SQLITE_FUNC_DIRECT|SQLITE_FUNC_UNSAFE))!=0 ); + if( ExprHasProperty(pExpr, EP_FromDDL) ){ + if( (pDef->funcFlags & SQLITE_FUNC_DIRECT)!=0 + || (pParse->db->flags & SQLITE_TrustedSchema)==0 + ){ + /* Functions prohibited in triggers and views if: + ** (1) tagged with SQLITE_DIRECTONLY + ** (2) not tagged with SQLITE_INNOCUOUS (which means it + ** is tagged with SQLITE_FUNC_UNSAFE) and + ** SQLITE_DBCONFIG_TRUSTED_SCHEMA is off (meaning + ** that the schema is possibly tainted). + */ + sqlite3ErrorMsg(pParse, "unsafe use of %s()", pDef->zName); + } + } +} + +/* ** Assign a variable number to an expression that encodes a wildcard -** in the original SQL statement. +** in the original SQL statement. ** ** Wildcards consisting of a single "?" are assigned the next sequential ** variable number. @@ -98600,7 +100869,7 @@ SQLITE_PRIVATE void sqlite3ExprUnmapAndDelete(Parse *pParse, Expr *p){ } /* -** Return the number of bytes allocated for the expression structure +** Return the number of bytes allocated for the expression structure ** passed as the first argument. This is always one of EXPR_FULLSIZE, ** EXPR_REDUCEDSIZE or EXPR_TOKENONLYSIZE. */ @@ -98615,14 +100884,14 @@ static int exprStructSize(Expr *p){ ** to store a copy of an expression or expression tree. They differ in ** how much of the tree is measured. ** -** dupedExprStructSize() Size of only the Expr structure +** dupedExprStructSize() Size of only the Expr structure ** dupedExprNodeSize() Size of Expr + space for token ** dupedExprSize() Expr + token + subtree components ** *************************************************************************** ** -** The dupedExprStructSize() function returns two values OR-ed together: -** (1) the space required for a copy of the Expr structure only and +** The dupedExprStructSize() function returns two values OR-ed together: +** (1) the space required for a copy of the Expr structure only and ** (2) the EP_xxx flags that indicate what the structure size should be. ** The return values is always one of: ** @@ -98649,7 +100918,7 @@ static int dupedExprStructSize(Expr *p, int flags){ assert( flags==EXPRDUP_REDUCE || flags==0 ); /* Only one flag value allowed */ assert( EXPR_FULLSIZE<=0xfff ); assert( (0xfff & (EP_Reduced|EP_TokenOnly))==0 ); - if( 0==flags || p->op==TK_SELECT_COLUMN + if( 0==flags || p->op==TK_SELECT_COLUMN #ifndef SQLITE_OMIT_WINDOWFUNC || ExprHasProperty(p, EP_WinFunc) #endif @@ -98657,9 +100926,9 @@ static int dupedExprStructSize(Expr *p, int flags){ nSize = EXPR_FULLSIZE; }else{ assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); - assert( !ExprHasProperty(p, EP_FromJoin) ); + assert( !ExprHasProperty(p, EP_FromJoin) ); assert( !ExprHasProperty(p, EP_MemToken) ); - assert( !ExprHasProperty(p, EP_NoReduce) ); + assert( !ExprHasVVAProperty(p, EP_NoReduce) ); if( p->pLeft || p->x.pList ){ nSize = EXPR_REDUCEDSIZE | EP_Reduced; }else{ @@ -98671,7 +100940,7 @@ static int dupedExprStructSize(Expr *p, int flags){ } /* -** This function returns the space in bytes required to store the copy +** This function returns the space in bytes required to store the copy ** of the Expr structure and a copy of the Expr.u.zToken string (if that ** string is defined.) */ @@ -98684,16 +100953,16 @@ static int dupedExprNodeSize(Expr *p, int flags){ } /* -** Return the number of bytes required to create a duplicate of the +** Return the number of bytes required to create a duplicate of the ** expression passed as the first argument. The second argument is a ** mask containing EXPRDUP_XXX flags. ** ** The value returned includes space to create a copy of the Expr struct ** itself and the buffer referred to by Expr.u.zToken, if any. ** -** If the EXPRDUP_REDUCE flag is set, then the return value includes -** space to duplicate all Expr nodes in the tree formed by Expr.pLeft -** and Expr.pRight variables (but not for any structures pointed to or +** If the EXPRDUP_REDUCE flag is set, then the return value includes +** space to duplicate all Expr nodes in the tree formed by Expr.pLeft +** and Expr.pRight variables (but not for any structures pointed to or ** descended from the Expr.x.pList or Expr.x.pSelect variables). */ static int dupedExprSize(Expr *p, int flags){ @@ -98708,8 +100977,8 @@ static int dupedExprSize(Expr *p, int flags){ } /* -** This function is similar to sqlite3ExprDup(), except that if pzBuffer -** is not NULL then *pzBuffer is assumed to point to a buffer large enough +** This function is similar to sqlite3ExprDup(), except that if pzBuffer +** is not NULL then *pzBuffer is assumed to point to a buffer large enough ** to store the copy of expression p, the copies of p->u.zToken ** (if applicable), and the copies of the p->pLeft and p->pRight expressions, ** if any. Before returning, *pzBuffer is set to the first byte past the @@ -98755,7 +101024,7 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ }else{ u32 nSize = (u32)exprStructSize(p); memcpy(zAlloc, p, nSize); - if( nSize<EXPR_FULLSIZE ){ + if( nSize<EXPR_FULLSIZE ){ memset(&zAlloc[nSize], 0, EXPR_FULLSIZE-nSize); } } @@ -98764,6 +101033,10 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ pNew->flags &= ~(EP_Reduced|EP_TokenOnly|EP_Static|EP_MemToken); pNew->flags |= nStructSize & (EP_Reduced|EP_TokenOnly); pNew->flags |= staticFlag; + ExprClearVVAProperties(pNew); + if( dupFlags ){ + ExprSetVVAProperty(pNew, EP_Immutable); + } /* Copy the p->u.zToken string, if any. */ if( nToken ){ @@ -98815,7 +101088,7 @@ static Expr *exprDup(sqlite3 *db, Expr *p, int dupFlags, u8 **pzBuffer){ } /* -** Create and return a deep copy of the object passed as the second +** Create and return a deep copy of the object passed as the second ** argument. If an OOM condition is encountered, NULL is returned ** and the db->mallocFailed flag set. */ @@ -98881,7 +101154,7 @@ static void gatherSelectWindows(Select *p){ ** without effecting the originals. ** ** The expression list, ID, and source lists return by sqlite3ExprListDup(), -** sqlite3IdListDup(), and sqlite3SrcListDup() can not be further expanded +** sqlite3IdListDup(), and sqlite3SrcListDup() can not be further expanded ** by subsequent calls to sqlite*ListAppend() routines. ** ** Any tables that the SrcList might point to are not duplicated. @@ -98911,9 +101184,9 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags) Expr *pOldExpr = pOldItem->pExpr; Expr *pNewExpr; pItem->pExpr = sqlite3ExprDup(db, pOldExpr, flags); - if( pOldExpr + if( pOldExpr && pOldExpr->op==TK_SELECT_COLUMN - && (pNewExpr = pItem->pExpr)!=0 + && (pNewExpr = pItem->pExpr)!=0 ){ assert( pNewExpr->iColumn==0 || i>0 ); if( pNewExpr->iColumn==0 ){ @@ -98927,12 +101200,11 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags) pNewExpr->pLeft = pPriorSelectCol; } } - pItem->zName = sqlite3DbStrDup(db, pOldItem->zName); - pItem->zSpan = sqlite3DbStrDup(db, pOldItem->zSpan); + pItem->zEName = sqlite3DbStrDup(db, pOldItem->zEName); pItem->sortFlags = pOldItem->sortFlags; + pItem->eEName = pOldItem->eEName; pItem->done = 0; pItem->bNulls = pOldItem->bNulls; - pItem->bSpanIsTab = pOldItem->bSpanIsTab; pItem->bSorterRef = pOldItem->bSorterRef; pItem->u = pOldItem->u; } @@ -98941,7 +101213,7 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags) /* ** If cursors, triggers, views and subqueries are all omitted from -** the build, then none of the following routines, except for +** the build, then none of the following routines, except for ** sqlite3SelectDup(), can be called. sqlite3SelectDup() is sometimes ** called with a NULL argument. */ @@ -98974,7 +101246,7 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListDup(sqlite3 *db, SrcList *p, int flags){ } pNewItem->pIBIndex = pOldItem->pIBIndex; if( pNewItem->fg.isTabFunc ){ - pNewItem->u1.pFuncArg = + pNewItem->u1.pFuncArg = sqlite3ExprListDup(db, pOldItem->u1.pFuncArg, flags); } pTab = pNewItem->pTab = pOldItem->pTab; @@ -99091,7 +101363,7 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListAppend( pList->nExpr = 0; }else if( (pList->nExpr & (pList->nExpr-1))==0 ){ ExprList *pNew; - pNew = sqlite3DbRealloc(db, pList, + pNew = sqlite3DbRealloc(db, pList, sizeof(*pList)+(2*(sqlite3_int64)pList->nExpr-1)*sizeof(pList->a[0])); if( pNew==0 ){ goto no_mem; @@ -99099,13 +101371,13 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListAppend( pList = pNew; } pItem = &pList->a[pList->nExpr++]; - assert( offsetof(struct ExprList_item,zName)==sizeof(pItem->pExpr) ); + assert( offsetof(struct ExprList_item,zEName)==sizeof(pItem->pExpr) ); assert( offsetof(struct ExprList_item,pExpr)==0 ); - memset(&pItem->zName,0,sizeof(*pItem)-offsetof(struct ExprList_item,zName)); + memset(&pItem->zEName,0,sizeof(*pItem)-offsetof(struct ExprList_item,zEName)); pItem->pExpr = pExpr; return pList; -no_mem: +no_mem: /* Avoid leaking memory if malloc has failed. */ sqlite3ExprDelete(db, pExpr); sqlite3ExprListDelete(db, pList); @@ -99138,8 +101410,8 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListAppendVector( if( NEVER(pColumns==0) ) goto vector_append_error; if( pExpr==0 ) goto vector_append_error; - /* If the RHS is a vector, then we can immediately check to see that - ** the size of the RHS and LHS match. But if the RHS is a SELECT, + /* If the RHS is a vector, then we can immediately check to see that + ** the size of the RHS and LHS match. But if the RHS is a SELECT, ** wildcards ("*") in the result set of the SELECT must be expanded before ** we can do the size check, so defer the size check until code generation. */ @@ -99158,7 +101430,7 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListAppendVector( pList = sqlite3ExprListAppend(pParse, pList, pSubExpr); if( pList ){ assert( pList->nExpr==iFirst+i+1 ); - pList->a[pList->nExpr-1].zName = pColumns->a[i].zName; + pList->a[pList->nExpr-1].zEName = pColumns->a[i].zName; pColumns->a[i].zName = 0; } } @@ -99167,7 +101439,7 @@ SQLITE_PRIVATE ExprList *sqlite3ExprListAppendVector( Expr *pFirst = pList->a[iFirst].pExpr; assert( pFirst!=0 ); assert( pFirst->op==TK_SELECT_COLUMN ); - + /* Store the SELECT statement in pRight so it will be deleted when ** sqlite3ExprListDelete() is called */ pFirst->pRight = pExpr; @@ -99193,13 +101465,13 @@ SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList *p, int iSortOrder, int assert( p->nExpr>0 ); assert( SQLITE_SO_UNDEFINED<0 && SQLITE_SO_ASC==0 && SQLITE_SO_DESC>0 ); - assert( iSortOrder==SQLITE_SO_UNDEFINED - || iSortOrder==SQLITE_SO_ASC - || iSortOrder==SQLITE_SO_DESC + assert( iSortOrder==SQLITE_SO_UNDEFINED + || iSortOrder==SQLITE_SO_ASC + || iSortOrder==SQLITE_SO_DESC ); - assert( eNulls==SQLITE_SO_UNDEFINED - || eNulls==SQLITE_SO_ASC - || eNulls==SQLITE_SO_DESC + assert( eNulls==SQLITE_SO_UNDEFINED + || eNulls==SQLITE_SO_ASC + || eNulls==SQLITE_SO_DESC ); pItem = &p->a[p->nExpr-1]; @@ -99218,7 +101490,7 @@ SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList *p, int iSortOrder, int } /* -** Set the ExprList.a[].zName element of the most recently added item +** Set the ExprList.a[].zEName element of the most recently added item ** on the expression list. ** ** pList might be NULL following an OOM error. But pName should never be @@ -99232,15 +101504,22 @@ SQLITE_PRIVATE void sqlite3ExprListSetName( int dequote /* True to cause the name to be dequoted */ ){ assert( pList!=0 || pParse->db->mallocFailed!=0 ); + assert( pParse->eParseMode!=PARSE_MODE_UNMAP || dequote==0 ); if( pList ){ struct ExprList_item *pItem; assert( pList->nExpr>0 ); pItem = &pList->a[pList->nExpr-1]; - assert( pItem->zName==0 ); - pItem->zName = sqlite3DbStrNDup(pParse->db, pName->z, pName->n); - if( dequote ) sqlite3Dequote(pItem->zName); - if( IN_RENAME_OBJECT ){ - sqlite3RenameTokenMap(pParse, (void*)pItem->zName, pName); + assert( pItem->zEName==0 ); + assert( pItem->eEName==ENAME_NAME ); + pItem->zEName = sqlite3DbStrNDup(pParse->db, pName->z, pName->n); + if( dequote ){ + /* If dequote==0, then pName->z does not point to part of a DDL + ** statement handled by the parser. And so no token need be added + ** to the token-map. */ + sqlite3Dequote(pItem->zEName); + if( IN_RENAME_OBJECT ){ + sqlite3RenameTokenMap(pParse, (void*)pItem->zEName, pName); + } } } } @@ -99264,8 +101543,10 @@ SQLITE_PRIVATE void sqlite3ExprListSetSpan( if( pList ){ struct ExprList_item *pItem = &pList->a[pList->nExpr-1]; assert( pList->nExpr>0 ); - sqlite3DbFree(db, pItem->zSpan); - pItem->zSpan = sqlite3DbSpanDup(db, zStart, zEnd); + if( pItem->zEName==0 ){ + pItem->zEName = sqlite3DbSpanDup(db, zStart, zEnd); + pItem->eEName = ENAME_SPAN; + } } } @@ -99295,8 +101576,7 @@ static SQLITE_NOINLINE void exprListDeleteNN(sqlite3 *db, ExprList *pList){ assert( pList->nExpr>0 ); do{ sqlite3ExprDelete(db, pItem->pExpr); - sqlite3DbFree(db, pItem->zName); - sqlite3DbFree(db, pItem->zSpan); + sqlite3DbFree(db, pItem->zEName); pItem++; }while( --i>0 ); sqlite3DbFreeNN(db, pList); @@ -99335,18 +101615,33 @@ SQLITE_PRIVATE int sqlite3SelectWalkFail(Walker *pWalker, Select *NotUsed){ } /* +** Check the input string to see if it is "true" or "false" (in any case). +** +** If the string is.... Return +** "true" EP_IsTrue +** "false" EP_IsFalse +** anything else 0 +*/ +SQLITE_PRIVATE u32 sqlite3IsTrueOrFalse(const char *zIn){ + if( sqlite3StrICmp(zIn, "true")==0 ) return EP_IsTrue; + if( sqlite3StrICmp(zIn, "false")==0 ) return EP_IsFalse; + return 0; +} + + +/* ** If the input expression is an ID with the name "true" or "false" ** then convert it into an TK_TRUEFALSE term. Return non-zero if ** the conversion happened, and zero if the expression is unaltered. */ SQLITE_PRIVATE int sqlite3ExprIdToTrueFalse(Expr *pExpr){ + u32 v; assert( pExpr->op==TK_ID || pExpr->op==TK_STRING ); if( !ExprHasProperty(pExpr, EP_Quoted) - && (sqlite3StrICmp(pExpr->u.zToken, "true")==0 - || sqlite3StrICmp(pExpr->u.zToken, "false")==0) + && (v = sqlite3IsTrueOrFalse(pExpr->u.zToken))!=0 ){ pExpr->op = TK_TRUEFALSE; - ExprSetProperty(pExpr, pExpr->u.zToken[4]==0 ? EP_IsTrue : EP_IsFalse); + ExprSetProperty(pExpr, v); return 1; } return 0; @@ -99408,11 +101703,12 @@ SQLITE_PRIVATE Expr *sqlite3ExprSimplifiedAndOr(Expr *pExpr){ ** In all cases, the callbacks set Walker.eCode=0 and abort if the expression ** is found to not be a constant. ** -** The sqlite3ExprIsConstantOrFunction() is used for evaluating expressions -** in a CREATE TABLE statement. The Walker.eCode value is 5 when parsing -** an existing schema and 4 when processing a new statement. A bound -** parameter raises an error for new statements, but is silently converted -** to NULL for existing schemas. This allows sqlite_master tables that +** The sqlite3ExprIsConstantOrFunction() is used for evaluating DEFAULT +** expressions in a CREATE TABLE statement. The Walker.eCode value is 5 +** when parsing an existing schema out of the sqlite_schema table and 4 +** when processing a new CREATE TABLE statement. A bound parameter raises +** an error for new statements, but is silently converted +** to NULL for existing schemas. This allows sqlite_schema tables that ** contain a bound parameter because they were generated by older versions ** of SQLite to be parsed by newer versions of SQLite without raising a ** malformed schema error. @@ -99432,7 +101728,10 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){ ** and either pWalker->eCode==4 or 5 or the function has the ** SQLITE_FUNC_CONST flag. */ case TK_FUNCTION: - if( pWalker->eCode>=4 || ExprHasProperty(pExpr,EP_ConstFunc) ){ + if( (pWalker->eCode>=4 || ExprHasProperty(pExpr,EP_ConstFunc)) + && !ExprHasProperty(pExpr, EP_WinFunc) + ){ + if( pWalker->eCode==5 ) ExprSetProperty(pExpr, EP_FromDDL); return WRC_Continue; }else{ pWalker->eCode = 0; @@ -99444,7 +101743,7 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){ if( sqlite3ExprIdToTrueFalse(pExpr) ){ return WRC_Prune; } - /* Fall thru */ + /* no break */ deliberate_fall_through case TK_COLUMN: case TK_AGG_FUNCTION: case TK_AGG_COLUMN: @@ -99458,18 +101757,20 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){ if( pWalker->eCode==3 && pExpr->iTable==pWalker->u.iCur ){ return WRC_Continue; } - /* Fall through */ + /* no break */ deliberate_fall_through case TK_IF_NULL_ROW: case TK_REGISTER: + case TK_DOT: testcase( pExpr->op==TK_REGISTER ); testcase( pExpr->op==TK_IF_NULL_ROW ); + testcase( pExpr->op==TK_DOT ); pWalker->eCode = 0; return WRC_Abort; case TK_VARIABLE: if( pWalker->eCode==5 ){ /* Silently convert bound parameters that appear inside of CREATE ** statements into a NULL when parsing the CREATE statement text out - ** of the sqlite_master table */ + ** of the sqlite_schema table */ pExpr->op = TK_NULL; }else if( pWalker->eCode==4 ){ /* A bound parameter in a CREATE statement that originates from @@ -99477,7 +101778,7 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){ pWalker->eCode = 0; return WRC_Abort; } - /* Fall through */ + /* no break */ deliberate_fall_through default: testcase( pExpr->op==TK_SELECT ); /* sqlite3SelectWalkFail() disallows */ testcase( pExpr->op==TK_EXISTS ); /* sqlite3SelectWalkFail() disallows */ @@ -99520,7 +101821,7 @@ SQLITE_PRIVATE int sqlite3ExprIsConstant(Expr *p){ ** ** When this routine returns true, it indicates that the expression ** can be added to the pParse->pConstExpr list and evaluated once when -** the prepared statement starts up. See sqlite3ExprCodeAtInit(). +** the prepared statement starts up. See sqlite3ExprCodeRunJustOnce(). */ SQLITE_PRIVATE int sqlite3ExprIsConstantNotJoin(Expr *p){ return exprIsConst(p, 2, 0); @@ -99567,7 +101868,7 @@ static int exprNodeIsConstantOrGroupBy(Walker *pWalker, Expr *pExpr){ /* ** Walk the expression tree passed as the first argument. Return non-zero -** if the expression consists entirely of constants or copies of terms +** if the expression consists entirely of constants or copies of terms ** in pGroupBy that sort with the BINARY collation sequence. ** ** This routine is used to determine if a term of the HAVING clause can @@ -99596,9 +101897,21 @@ SQLITE_PRIVATE int sqlite3ExprIsConstantOrGroupBy(Parse *pParse, Expr *p, ExprLi } /* -** Walk an expression tree. Return non-zero if the expression is constant -** or a function call with constant arguments. Return and 0 if there -** are any variables. +** Walk an expression tree for the DEFAULT field of a column definition +** in a CREATE TABLE statement. Return non-zero if the expression is +** acceptable for use as a DEFAULT. That is to say, return non-zero if +** the expression is constant or a function call with constant arguments. +** Return and 0 if there are any variables. +** +** isInit is true when parsing from sqlite_schema. isInit is false when +** processing a new CREATE TABLE statement. When isInit is true, parameters +** (such as ? or $abc) in the expression are converted into NULL. When +** isInit is false, parameters raise an error. Parameters should not be +** allowed in a CREATE TABLE statement, but some legacy versions of SQLite +** allowed it, so we need to support it when reading sqlite_schema for +** backwards compatibility. +** +** If isInit is true, set EP_FromDDL on every TK_FUNCTION node. ** ** For the purposes of this function, a double-quoted string (ex: "abc") ** is considered a variable but a single-quoted string (ex: 'abc') is @@ -99669,7 +101982,7 @@ SQLITE_PRIVATE int sqlite3ExprIsInteger(Expr *p, int *pValue){ ** Return FALSE if there is no chance that the expression can be NULL. ** ** If the expression might be NULL or if the expression is too complex -** to tell return TRUE. +** to tell return TRUE. ** ** This routine is used as an optimization, to skip OP_IsNull opcodes ** when we know that a value cannot be NULL. Hence, a false positive @@ -99695,7 +102008,9 @@ SQLITE_PRIVATE int sqlite3ExprCanBeNull(const Expr *p){ case TK_COLUMN: return ExprHasProperty(p, EP_CanBeNull) || p->y.pTab==0 || /* Reference to column of index on expression */ - (p->iColumn>=0 && p->y.pTab->aCol[p->iColumn].notNull==0); + (p->iColumn>=0 + && ALWAYS(p->y.pTab->aCol!=0) /* Defense against OOM problems */ + && p->y.pTab->aCol[p->iColumn].notNull==0); default: return 1; } @@ -99755,7 +102070,7 @@ SQLITE_PRIVATE int sqlite3IsRowid(const char *z){ } /* -** pX is the RHS of an IN operator. If pX is a SELECT statement +** pX is the RHS of an IN operator. If pX is a SELECT statement ** that can be simplified to a direct table access, then return ** a pointer to the SELECT statement. If pX is not a SELECT statement, ** or if the SELECT statement needs to be manifested into a transient @@ -99821,7 +102136,7 @@ static void sqlite3SetHasNullFlag(Vdbe *v, int iCur, int regHasNull){ #ifndef SQLITE_OMIT_SUBQUERY /* -** The argument is an IN operator with a list (not a subquery) on the +** The argument is an IN operator with a list (not a subquery) on the ** right-hand side. Return TRUE if that list is constant. */ static int sqlite3InRhsIsConstant(Expr *pIn){ @@ -99880,9 +102195,9 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** to be unique - either because it is an INTEGER PRIMARY KEY or due to ** a UNIQUE constraint or index. ** -** When IN_INDEX_MEMBERSHIP is used (and the b-tree will be used -** for fast set membership tests) then an epheremal table must -** be used unless <columns> is a single INTEGER PRIMARY KEY column or an +** When IN_INDEX_MEMBERSHIP is used (and the b-tree will be used +** for fast set membership tests) then an epheremal table must +** be used unless <columns> is a single INTEGER PRIMARY KEY column or an ** index can be found with the specified <columns> as its left-most. ** ** If the IN_INDEX_NOOP_OK and IN_INDEX_MEMBERSHIP are both set and @@ -99894,7 +102209,7 @@ static int sqlite3InRhsIsConstant(Expr *pIn){ ** ** When the b-tree is being used for membership tests, the calling function ** might need to know whether or not the RHS side of the IN operator -** contains a NULL. If prRhsHasNull is not a NULL pointer and +** contains a NULL. If prRhsHasNull is not a NULL pointer and ** if there is any chance that the (...) might contain a NULL value at ** runtime, then a register is allocated and the register number written ** to *prRhsHasNull. If there is no chance that the (...) contains a @@ -99934,9 +102249,9 @@ SQLITE_PRIVATE int sqlite3FindInIndex( assert( pX->op==TK_IN ); mustBeUnique = (inFlags & IN_INDEX_LOOP)!=0; - /* If the RHS of this IN(...) operator is a SELECT, and if it matters + /* If the RHS of this IN(...) operator is a SELECT, and if it matters ** whether or not the SELECT result contains NULL values, check whether - ** or not NULL is actually possible (it may not be, for example, due + ** or not NULL is actually possible (it may not be, for example, due ** to NOT NULL constraints in the schema). If no NULL values are possible, ** set prRhsHasNull to 0 before continuing. */ if( prRhsHasNull && (pX->flags & EP_xIsSelect) ){ @@ -99951,12 +102266,12 @@ SQLITE_PRIVATE int sqlite3FindInIndex( } /* Check to see if an existing table or index can be used to - ** satisfy the query. This is preferable to generating a new + ** satisfy the query. This is preferable to generating a new ** ephemeral table. */ if( pParse->nErr==0 && (p = isCandidateForInOpt(pX))!=0 ){ sqlite3 *db = pParse->db; /* Database connection */ Table *pTab; /* Table <table>. */ - i16 iDb; /* Database idx for pTab */ + int iDb; /* Database idx for pTab */ ExprList *pEList = p->pEList; int nExpr = pEList->nExpr; @@ -99967,6 +102282,7 @@ SQLITE_PRIVATE int sqlite3FindInIndex( /* Code an OP_Transaction and OP_TableLock for <table>. */ iDb = sqlite3SchemaToIndex(db, pTab->pSchema); + assert( iDb>=0 && iDb<SQLITE_MAX_ATTACHED ); sqlite3CodeVerifySchema(pParse, iDb); sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName); @@ -99986,7 +102302,7 @@ SQLITE_PRIVATE int sqlite3FindInIndex( int affinity_ok = 1; int i; - /* Check that the affinity that will be used to perform each + /* Check that the affinity that will be used to perform each ** comparison is the same as the affinity of each column in table ** on the RHS of the IN operator. If it not, it is not possible to ** use any index of the RHS table. */ @@ -100031,14 +102347,14 @@ SQLITE_PRIVATE int sqlite3FindInIndex( continue; /* This index is not unique over the IN RHS columns */ } } - + colUsed = 0; /* Columns of index used so far */ for(i=0; i<nExpr; i++){ Expr *pLhs = sqlite3VectorFieldSubexpr(pX->pLeft, i); Expr *pRhs = pEList->a[i].pExpr; CollSeq *pReq = sqlite3BinaryCompareCollSeq(pParse, pLhs, pRhs); int j; - + assert( pReq!=0 || pRhs->iColumn==XN_ROWID || pParse->nErr ); for(j=0; j<nExpr; j++){ if( pIdx->aiColumn[j]!=pRhs->iColumn ) continue; @@ -100054,7 +102370,7 @@ SQLITE_PRIVATE int sqlite3FindInIndex( colUsed |= mCol; if( aiMap ) aiMap[i] = j; } - + assert( i==nExpr || colUsed!=(MASKBIT(nExpr)-1) ); if( colUsed==(MASKBIT(nExpr)-1) ){ /* If we reach this point, that means the index pIdx is usable */ @@ -100066,11 +102382,11 @@ SQLITE_PRIVATE int sqlite3FindInIndex( VdbeComment((v, "%s", pIdx->zName)); assert( IN_INDEX_INDEX_DESC == IN_INDEX_INDEX_ASC+1 ); eType = IN_INDEX_INDEX_ASC + pIdx->aSortOrder[0]; - + if( prRhsHasNull ){ #ifdef SQLITE_ENABLE_COLUMN_USED_MASK i64 mask = (1<<nExpr)-1; - sqlite3VdbeAddOp4Dup8(v, OP_ColumnsUsed, + sqlite3VdbeAddOp4Dup8(v, OP_ColumnsUsed, iTab, 0, 0, (u8*)&mask, P4_INT64); #endif *prRhsHasNull = ++pParse->nMem; @@ -100132,8 +102448,8 @@ SQLITE_PRIVATE int sqlite3FindInIndex( #ifndef SQLITE_OMIT_SUBQUERY /* -** Argument pExpr is an (?, ?...) IN(...) expression. This -** function allocates and returns a nul-terminated string containing +** Argument pExpr is an (?, ?...) IN(...) expression. This +** function allocates and returns a nul-terminated string containing ** the affinities to be used for each column of the comparison. ** ** It is the responsibility of the caller to ensure that the returned @@ -100166,20 +102482,22 @@ static char *exprINAffinity(Parse *pParse, Expr *pExpr){ #ifndef SQLITE_OMIT_SUBQUERY /* -** Load the Parse object passed as the first argument with an error +** Load the Parse object passed as the first argument with an error ** message of the form: ** ** "sub-select returns N columns - expected M" -*/ +*/ SQLITE_PRIVATE void sqlite3SubselectError(Parse *pParse, int nActual, int nExpect){ - const char *zFmt = "sub-select returns %d columns - expected %d"; - sqlite3ErrorMsg(pParse, zFmt, nActual, nExpect); + if( pParse->nErr==0 ){ + const char *zFmt = "sub-select returns %d columns - expected %d"; + sqlite3ErrorMsg(pParse, zFmt, nActual, nExpect); + } } #endif /* ** Expression pExpr is a vector that has been used in a context where -** it is not permitted. If pExpr is a sub-select vector, this routine +** it is not permitted. If pExpr is a sub-select vector, this routine ** loads the Parse object with a message of the form: ** ** "sub-select returns N columns - expected 1" @@ -100187,7 +102505,7 @@ SQLITE_PRIVATE void sqlite3SubselectError(Parse *pParse, int nActual, int nExpec ** Or, if it is a regular scalar vector: ** ** "row value misused" -*/ +*/ SQLITE_PRIVATE void sqlite3VectorErrorMsg(Parse *pParse, Expr *pExpr){ #ifndef SQLITE_OMIT_SUBQUERY if( pExpr->flags & EP_xIsSelect ){ @@ -100250,7 +102568,7 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( if( !ExprHasProperty(pExpr, EP_VarSelect) && pParse->iSelfTab==0 ){ /* Reuse of the RHS is allowed */ /* If this routine has already been coded, but the previous code - ** might not have been invoked yet, so invoke it now as a subroutine. + ** might not have been invoked yet, so invoke it now as a subroutine. */ if( ExprHasProperty(pExpr, EP_Subrtn) ){ addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); @@ -100267,6 +102585,7 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( /* Begin coding the subroutine */ ExprSetProperty(pExpr, EP_Subrtn); + assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) ); pExpr->y.sub.regReturn = ++pParse->nMem; pExpr->y.sub.iAddr = sqlite3VdbeAddOp2(v, OP_Integer, 0, pExpr->y.sub.regReturn) + 1; @@ -100348,6 +102667,8 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( affinity = sqlite3ExprAffinity(pLeft); if( affinity<=SQLITE_AFF_NONE ){ affinity = SQLITE_AFF_BLOB; + }else if( affinity==SQLITE_AFF_REAL ){ + affinity = SQLITE_AFF_NUMERIC; } if( pKeyInfo ){ assert( sqlite3KeyInfoIsWriteable(pKeyInfo) ); @@ -100401,7 +102722,7 @@ SQLITE_PRIVATE void sqlite3CodeRhsOfIN( ** ** The pExpr parameter is the SELECT or EXISTS operator to be coded. ** -** Return the register that holds the result. For a multi-column SELECT, +** Return the register that holds the result. For a multi-column SELECT, ** the result is stored in a contiguous array of registers and the ** return value is the register of the left-most result column. ** Return 0 if an error occurs. @@ -100452,7 +102773,7 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } - + /* For a SELECT, generate code to put the values for all columns of ** the first row into an array of registers and return the index of ** the first register. @@ -100460,7 +102781,7 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ ** If this is an EXISTS, write an integer 0 (not exists) or 1 (exists) ** into a register and return that register number. ** - ** In both cases, the query is augmented with "LIMIT 1". Any + ** In both cases, the query is augmented with "LIMIT 1". Any ** preexisting limit is discarded in place of the new LIMIT 1. */ ExplainQueryPlan((pParse, 1, "%sSCALAR SUBQUERY %d", @@ -100517,9 +102838,9 @@ SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){ #ifndef SQLITE_OMIT_SUBQUERY /* -** Expr pIn is an IN(...) expression. This function checks that the -** sub-select on the RHS of the IN() operator has the same number of -** columns as the vector on the LHS. Or, if the RHS of the IN() is not +** Expr pIn is an IN(...) expression. This function checks that the +** sub-select on the RHS of the IN() operator has the same number of +** columns as the vector on the LHS. Or, if the RHS of the IN() is not ** a sub-query, that the LHS is a vector of size 1. */ SQLITE_PRIVATE int sqlite3ExprCheckIN(Parse *pParse, Expr *pIn){ @@ -100544,18 +102865,18 @@ SQLITE_PRIVATE int sqlite3ExprCheckIN(Parse *pParse, Expr *pIn){ ** x IN (SELECT ...) ** x IN (value, value, ...) ** -** The left-hand side (LHS) is a scalar or vector expression. The +** The left-hand side (LHS) is a scalar or vector expression. The ** right-hand side (RHS) is an array of zero or more scalar values, or a ** subquery. If the RHS is a subquery, the number of result columns must ** match the number of columns in the vector on the LHS. If the RHS is -** a list of values, the LHS must be a scalar. +** a list of values, the LHS must be a scalar. ** ** The IN operator is true if the LHS value is contained within the RHS. -** The result is false if the LHS is definitely not in the RHS. The -** result is NULL if the presence of the LHS in the RHS cannot be +** The result is false if the LHS is definitely not in the RHS. The +** result is NULL if the presence of the LHS in the RHS cannot be ** determined due to NULLs. ** -** This routine generates code that jumps to destIfFalse if the LHS is not +** This routine generates code that jumps to destIfFalse if the LHS is not ** contained within the RHS. If due to NULLs we cannot determine if the LHS ** is contained in the RHS then jump to destIfNull. If the LHS is contained ** within the RHS then fall through. @@ -100584,9 +102905,11 @@ static void sqlite3ExprCodeIN( int destStep6 = 0; /* Start of code for Step 6 */ int addrTruthOp; /* Address of opcode that determines the IN is true */ int destNotNull; /* Jump here if a comparison is not true in step 6 */ - int addrTop; /* Top of the step-6 loop */ + int addrTop; /* Top of the step-6 loop */ int iTab = 0; /* Index to use */ + u8 okConstFactor = pParse->okConstFactor; + assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); pLeft = pExpr->pLeft; if( sqlite3ExprCheckIN(pParse, pExpr) ) return; zAff = exprINAffinity(pParse, pExpr); @@ -100609,7 +102932,7 @@ static void sqlite3ExprCodeIN( aiMap, &iTab); assert( pParse->nErr || nVector==1 || eType==IN_INDEX_EPH - || eType==IN_INDEX_INDEX_ASC || eType==IN_INDEX_INDEX_DESC + || eType==IN_INDEX_INDEX_ASC || eType==IN_INDEX_INDEX_DESC ); #ifdef SQLITE_DEBUG /* Confirm that aiMap[] contains nVector integer values between 0 and @@ -100621,16 +102944,22 @@ static void sqlite3ExprCodeIN( } #endif - /* Code the LHS, the <expr> from "<expr> IN (...)". If the LHS is a - ** vector, then it is stored in an array of nVector registers starting + /* Code the LHS, the <expr> from "<expr> IN (...)". If the LHS is a + ** vector, then it is stored in an array of nVector registers starting ** at r1. ** ** sqlite3FindInIndex() might have reordered the fields of the LHS vector ** so that the fields are in the same order as an existing index. The ** aiMap[] array contains a mapping from the original LHS field order to ** the field order that matches the RHS index. - */ + ** + ** Avoid factoring the LHS of the IN(...) expression out of the loop, + ** even if it is constant, as OP_Affinity may be used on the register + ** by code generated below. */ + assert( pParse->okConstFactor==okConstFactor ); + pParse->okConstFactor = 0; rLhsOrig = exprCodeVector(pParse, pLeft, &iDummy); + pParse->okConstFactor = okConstFactor; for(i=0; i<nVector && aiMap[i]==i; i++){} /* Are LHS fields reordered? */ if( i==nVector ){ /* LHS fields are not reordered */ @@ -100656,37 +102985,35 @@ static void sqlite3ExprCodeIN( int r2, regToFree; int regCkNull = 0; int ii; - int bLhsReal; /* True if the LHS of the IN has REAL affinity */ assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); if( destIfNull!=destIfFalse ){ regCkNull = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_BitAnd, rLhs, rLhs, regCkNull); } - bLhsReal = sqlite3ExprAffinity(pExpr->pLeft)==SQLITE_AFF_REAL; for(ii=0; ii<pList->nExpr; ii++){ - if( bLhsReal ){ - r2 = regToFree = sqlite3GetTempReg(pParse); - sqlite3ExprCode(pParse, pList->a[ii].pExpr, r2); - sqlite3VdbeAddOp4(v, OP_Affinity, r2, 1, 0, "E", P4_STATIC); - }else{ - r2 = sqlite3ExprCodeTemp(pParse, pList->a[ii].pExpr, ®ToFree); - } + r2 = sqlite3ExprCodeTemp(pParse, pList->a[ii].pExpr, ®ToFree); if( regCkNull && sqlite3ExprCanBeNull(pList->a[ii].pExpr) ){ sqlite3VdbeAddOp3(v, OP_BitAnd, regCkNull, r2, regCkNull); } + sqlite3ReleaseTempReg(pParse, regToFree); if( ii<pList->nExpr-1 || destIfNull!=destIfFalse ){ - sqlite3VdbeAddOp4(v, OP_Eq, rLhs, labelOk, r2, + int op = rLhs!=r2 ? OP_Eq : OP_NotNull; + sqlite3VdbeAddOp4(v, op, rLhs, labelOk, r2, (void*)pColl, P4_COLLSEQ); - VdbeCoverageIf(v, ii<pList->nExpr-1); - VdbeCoverageIf(v, ii==pList->nExpr-1); + VdbeCoverageIf(v, ii<pList->nExpr-1 && op==OP_Eq); + VdbeCoverageIf(v, ii==pList->nExpr-1 && op==OP_Eq); + VdbeCoverageIf(v, ii<pList->nExpr-1 && op==OP_NotNull); + VdbeCoverageIf(v, ii==pList->nExpr-1 && op==OP_NotNull); sqlite3VdbeChangeP5(v, zAff[0]); }else{ + int op = rLhs!=r2 ? OP_Ne : OP_IsNull; assert( destIfNull==destIfFalse ); - sqlite3VdbeAddOp4(v, OP_Ne, rLhs, destIfFalse, r2, - (void*)pColl, P4_COLLSEQ); VdbeCoverage(v); + sqlite3VdbeAddOp4(v, op, rLhs, destIfFalse, r2, + (void*)pColl, P4_COLLSEQ); + VdbeCoverageIf(v, op==OP_Ne); + VdbeCoverageIf(v, op==OP_IsNull); sqlite3VdbeChangeP5(v, zAff[0] | SQLITE_JUMPIFNULL); } - sqlite3ReleaseTempReg(pParse, regToFree); } if( regCkNull ){ sqlite3VdbeAddOp2(v, OP_IsNull, regCkNull, destIfNull); VdbeCoverage(v); @@ -100706,6 +103033,7 @@ static void sqlite3ExprCodeIN( }else{ destStep2 = destStep6 = sqlite3VdbeMakeLabel(pParse); } + if( pParse->nErr ) goto sqlite3ExprCodeIN_finished; for(i=0; i<nVector; i++){ Expr *p = sqlite3VectorFieldSubexpr(pExpr->pLeft, i); if( sqlite3ExprCanBeNull(p) ){ @@ -100747,7 +103075,7 @@ static void sqlite3ExprCodeIN( } /* Step 5. If we do not care about the difference between NULL and - ** FALSE, then just return false. + ** FALSE, then just return false. */ if( destIfFalse==destIfNull ) sqlite3VdbeGoto(v, destIfFalse); @@ -100808,7 +103136,7 @@ sqlite3ExprCodeIN_oom_error: ** Generate an instruction that will put the floating point ** value described by z[0..n-1] into register iMem. ** -** The z[] string will probably not be zero-terminated. But the +** The z[] string will probably not be zero-terminated. But the ** z[n] character is guaranteed to be something that does not look ** like the continuation of the number. */ @@ -100887,16 +103215,45 @@ SQLITE_PRIVATE void sqlite3ExprCodeLoadIndexColumn( } } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS +/* +** Generate code that will compute the value of generated column pCol +** and store the result in register regOut +*/ +SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn( + Parse *pParse, + Column *pCol, + int regOut +){ + int iAddr; + Vdbe *v = pParse->pVdbe; + assert( v!=0 ); + assert( pParse->iSelfTab!=0 ); + if( pParse->iSelfTab>0 ){ + iAddr = sqlite3VdbeAddOp3(v, OP_IfNullRow, pParse->iSelfTab-1, 0, regOut); + }else{ + iAddr = 0; + } + sqlite3ExprCodeCopy(pParse, pCol->pDflt, regOut); + if( pCol->affinity>=SQLITE_AFF_TEXT ){ + sqlite3VdbeAddOp4(v, OP_Affinity, regOut, 1, 0, &pCol->affinity, 1); + } + if( iAddr ) sqlite3VdbeJumpHere(v, iAddr); +} +#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ + /* ** Generate code to extract the value of the iCol-th column of a table. */ SQLITE_PRIVATE void sqlite3ExprCodeGetColumnOfTable( - Vdbe *v, /* The VDBE under construction */ + Vdbe *v, /* Parsing context */ Table *pTab, /* The table containing the value */ int iTabCur, /* The table cursor. Or the PK cursor for WITHOUT ROWID */ int iCol, /* Index of the column to extract */ int regOut /* Extract the value into this register */ ){ + Column *pCol; + assert( v!=0 ); if( pTab==0 ){ sqlite3VdbeAddOp3(v, OP_Column, iTabCur, iCol, regOut); return; @@ -100904,21 +103261,43 @@ SQLITE_PRIVATE void sqlite3ExprCodeGetColumnOfTable( if( iCol<0 || iCol==pTab->iPKey ){ sqlite3VdbeAddOp2(v, OP_Rowid, iTabCur, regOut); }else{ - int op = IsVirtual(pTab) ? OP_VColumn : OP_Column; - int x = iCol; - if( !HasRowid(pTab) && !IsVirtual(pTab) ){ - x = sqlite3ColumnOfIndex(sqlite3PrimaryKeyIndex(pTab), iCol); + int op; + int x; + if( IsVirtual(pTab) ){ + op = OP_VColumn; + x = iCol; +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + }else if( (pCol = &pTab->aCol[iCol])->colFlags & COLFLAG_VIRTUAL ){ + Parse *pParse = sqlite3VdbeParser(v); + if( pCol->colFlags & COLFLAG_BUSY ){ + sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", pCol->zName); + }else{ + int savedSelfTab = pParse->iSelfTab; + pCol->colFlags |= COLFLAG_BUSY; + pParse->iSelfTab = iTabCur+1; + sqlite3ExprCodeGeneratedColumn(pParse, pCol, regOut); + pParse->iSelfTab = savedSelfTab; + pCol->colFlags &= ~COLFLAG_BUSY; + } + return; +#endif + }else if( !HasRowid(pTab) ){ + testcase( iCol!=sqlite3TableColumnToStorage(pTab, iCol) ); + x = sqlite3TableColumnToIndex(sqlite3PrimaryKeyIndex(pTab), iCol); + op = OP_Column; + }else{ + x = sqlite3TableColumnToStorage(pTab,iCol); + testcase( x!=iCol ); + op = OP_Column; } sqlite3VdbeAddOp3(v, op, iTabCur, x, regOut); - } - if( iCol>=0 ){ sqlite3ColumnDefault(v, pTab, iCol, regOut); } } /* ** Generate code that will extract the iColumn-th column from -** table pTab and store the column value in register iReg. +** table pTab and store the column value in register iReg. ** ** There must be an open cursor to pTab in iTable when this routine ** is called. If iColumn<0 then code is generated that extracts the rowid. @@ -100931,11 +103310,11 @@ SQLITE_PRIVATE int sqlite3ExprCodeGetColumn( int iReg, /* Store results here */ u8 p5 /* P5 value for OP_Column + FLAGS */ ){ - Vdbe *v = pParse->pVdbe; - assert( v!=0 ); - sqlite3ExprCodeGetColumnOfTable(v, pTab, iTable, iColumn, iReg); + assert( pParse->pVdbe!=0 ); + sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pTab, iTable, iColumn, iReg); if( p5 ){ - sqlite3VdbeChangeP5(v, p5); + VdbeOp *pOp = sqlite3VdbeGetOp(pParse->pVdbe,-1); + if( pOp->opcode==OP_Column ) pOp->p5 = p5; } return iReg; } @@ -100945,7 +103324,6 @@ SQLITE_PRIVATE int sqlite3ExprCodeGetColumn( ** over to iTo..iTo+nReg-1. */ SQLITE_PRIVATE void sqlite3ExprCodeMove(Parse *pParse, int iFrom, int iTo, int nReg){ - assert( iFrom>=iTo+nReg || iFrom+nReg<=iTo ); sqlite3VdbeAddOp3(pParse->pVdbe, OP_Move, iFrom, iTo, nReg); } @@ -100997,6 +103375,124 @@ static int exprCodeVector(Parse *pParse, Expr *p, int *piFreeable){ return iResult; } +/* +** If the last opcode is a OP_Copy, then set the do-not-merge flag (p5) +** so that a subsequent copy will not be merged into this one. +*/ +static void setDoNotMergeFlagOnCopy(Vdbe *v){ + if( sqlite3VdbeGetOp(v, -1)->opcode==OP_Copy ){ + sqlite3VdbeChangeP5(v, 1); /* Tag trailing OP_Copy as not mergable */ + } +} + +/* +** Generate code to implement special SQL functions that are implemented +** in-line rather than by using the usual callbacks. +*/ +static int exprCodeInlineFunction( + Parse *pParse, /* Parsing context */ + ExprList *pFarg, /* List of function arguments */ + int iFuncId, /* Function ID. One of the INTFUNC_... values */ + int target /* Store function result in this register */ +){ + int nFarg; + Vdbe *v = pParse->pVdbe; + assert( v!=0 ); + assert( pFarg!=0 ); + nFarg = pFarg->nExpr; + assert( nFarg>0 ); /* All in-line functions have at least one argument */ + switch( iFuncId ){ + case INLINEFUNC_coalesce: { + /* Attempt a direct implementation of the built-in COALESCE() and + ** IFNULL() functions. This avoids unnecessary evaluation of + ** arguments past the first non-NULL argument. + */ + int endCoalesce = sqlite3VdbeMakeLabel(pParse); + int i; + assert( nFarg>=2 ); + sqlite3ExprCode(pParse, pFarg->a[0].pExpr, target); + for(i=1; i<nFarg; i++){ + sqlite3VdbeAddOp2(v, OP_NotNull, target, endCoalesce); + VdbeCoverage(v); + sqlite3ExprCode(pParse, pFarg->a[i].pExpr, target); + } + setDoNotMergeFlagOnCopy(v); + sqlite3VdbeResolveLabel(v, endCoalesce); + break; + } + case INLINEFUNC_iif: { + Expr caseExpr; + memset(&caseExpr, 0, sizeof(caseExpr)); + caseExpr.op = TK_CASE; + caseExpr.x.pList = pFarg; + return sqlite3ExprCodeTarget(pParse, &caseExpr, target); + } + + default: { + /* The UNLIKELY() function is a no-op. The result is the value + ** of the first argument. + */ + assert( nFarg==1 || nFarg==2 ); + target = sqlite3ExprCodeTarget(pParse, pFarg->a[0].pExpr, target); + break; + } + + /*********************************************************************** + ** Test-only SQL functions that are only usable if enabled + ** via SQLITE_TESTCTRL_INTERNAL_FUNCTIONS + */ + case INLINEFUNC_expr_compare: { + /* Compare two expressions using sqlite3ExprCompare() */ + assert( nFarg==2 ); + sqlite3VdbeAddOp2(v, OP_Integer, + sqlite3ExprCompare(0,pFarg->a[0].pExpr, pFarg->a[1].pExpr,-1), + target); + break; + } + + case INLINEFUNC_expr_implies_expr: { + /* Compare two expressions using sqlite3ExprImpliesExpr() */ + assert( nFarg==2 ); + sqlite3VdbeAddOp2(v, OP_Integer, + sqlite3ExprImpliesExpr(pParse,pFarg->a[0].pExpr, pFarg->a[1].pExpr,-1), + target); + break; + } + + case INLINEFUNC_implies_nonnull_row: { + /* REsult of sqlite3ExprImpliesNonNullRow() */ + Expr *pA1; + assert( nFarg==2 ); + pA1 = pFarg->a[1].pExpr; + if( pA1->op==TK_COLUMN ){ + sqlite3VdbeAddOp2(v, OP_Integer, + sqlite3ExprImpliesNonNullRow(pFarg->a[0].pExpr,pA1->iTable), + target); + }else{ + sqlite3VdbeAddOp2(v, OP_Null, 0, target); + } + break; + } + +#ifdef SQLITE_DEBUG + case INLINEFUNC_affinity: { + /* The AFFINITY() function evaluates to a string that describes + ** the type affinity of the argument. This is used for testing of + ** the SQLite type logic. + */ + const char *azAff[] = { "blob", "text", "numeric", "integer", "real" }; + char aff; + assert( nFarg==1 ); + aff = sqlite3ExprAffinity(pFarg->a[0].pExpr); + sqlite3VdbeLoadString(v, target, + (aff<=SQLITE_AFF_NONE) ? "none" : azAff[aff-SQLITE_AFF_BLOB]); + break; + } +#endif + } + return target; +} + /* ** Generate code into the current Vdbe to evaluate the given @@ -101020,33 +103516,45 @@ SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target) int p5 = 0; assert( target>0 && target<=pParse->nMem ); - if( v==0 ){ - assert( pParse->db->mallocFailed ); - return 0; - } + assert( v!=0 ); expr_code_doover: if( pExpr==0 ){ op = TK_NULL; }else{ + assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); op = pExpr->op; } switch( op ){ case TK_AGG_COLUMN: { AggInfo *pAggInfo = pExpr->pAggInfo; - struct AggInfo_col *pCol = &pAggInfo->aCol[pExpr->iAgg]; + struct AggInfo_col *pCol; + assert( pAggInfo!=0 ); + assert( pExpr->iAgg>=0 && pExpr->iAgg<pAggInfo->nColumn ); + pCol = &pAggInfo->aCol[pExpr->iAgg]; if( !pAggInfo->directMode ){ assert( pCol->iMem>0 ); return pCol->iMem; }else if( pAggInfo->useSortingIdx ){ + Table *pTab = pCol->pTab; sqlite3VdbeAddOp3(v, OP_Column, pAggInfo->sortingIdxPTab, pCol->iSorterColumn, target); + if( pCol->iColumn<0 ){ + VdbeComment((v,"%s.rowid",pTab->zName)); + }else{ + VdbeComment((v,"%s.%s",pTab->zName,pTab->aCol[pCol->iColumn].zName)); + if( pTab->aCol[pCol->iColumn].affinity==SQLITE_AFF_REAL ){ + sqlite3VdbeAddOp1(v, OP_RealAffinity, target); + } + } return target; } /* Otherwise, fall thru into the TK_COLUMN case */ + /* no break */ deliberate_fall_through } case TK_COLUMN: { int iTab = pExpr->iTable; + int iReg; if( ExprHasProperty(pExpr, EP_FixedCol) ){ /* This COLUMN expression is really a constant due to WHERE clause ** constraints, and that constant is coded by the pExpr->pLeft @@ -101054,16 +103562,17 @@ expr_code_doover: ** datatype by applying the Affinity of the table column to the ** constant. */ - int iReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft,target); - int aff = sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); + int aff; + iReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft,target); + if( pExpr->y.pTab ){ + aff = sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn); + }else{ + aff = pExpr->affExpr; + } if( aff>SQLITE_AFF_BLOB ){ static const char zAff[] = "B\000C\000D\000E"; assert( SQLITE_AFF_BLOB=='A' ); assert( SQLITE_AFF_TEXT=='B' ); - if( iReg!=target ){ - sqlite3VdbeAddOp2(v, OP_SCopy, iReg, target); - iReg = target; - } sqlite3VdbeAddOp4(v, OP_Affinity, iReg, 1, 0, &zAff[(aff-'B')*2], P4_STATIC); } @@ -101071,19 +103580,46 @@ expr_code_doover: } if( iTab<0 ){ if( pParse->iSelfTab<0 ){ - /* Generating CHECK constraints or inserting into partial index */ - assert( pExpr->y.pTab!=0 ); - assert( pExpr->iColumn>=XN_ROWID ); - assert( pExpr->iColumn<pExpr->y.pTab->nCol ); - if( pExpr->iColumn>=0 - && pExpr->y.pTab->aCol[pExpr->iColumn].affinity==SQLITE_AFF_REAL - ){ - sqlite3VdbeAddOp2(v, OP_SCopy, pExpr->iColumn - pParse->iSelfTab, - target); + /* Other columns in the same row for CHECK constraints or + ** generated columns or for inserting into partial index. + ** The row is unpacked into registers beginning at + ** 0-(pParse->iSelfTab). The rowid (if any) is in a register + ** immediately prior to the first column. + */ + Column *pCol; + Table *pTab = pExpr->y.pTab; + int iSrc; + int iCol = pExpr->iColumn; + assert( pTab!=0 ); + assert( iCol>=XN_ROWID ); + assert( iCol<pTab->nCol ); + if( iCol<0 ){ + return -1-pParse->iSelfTab; + } + pCol = pTab->aCol + iCol; + testcase( iCol!=sqlite3TableColumnToStorage(pTab,iCol) ); + iSrc = sqlite3TableColumnToStorage(pTab, iCol) - pParse->iSelfTab; +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( pCol->colFlags & COLFLAG_GENERATED ){ + if( pCol->colFlags & COLFLAG_BUSY ){ + sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", + pCol->zName); + return 0; + } + pCol->colFlags |= COLFLAG_BUSY; + if( pCol->colFlags & COLFLAG_NOTAVAIL ){ + sqlite3ExprCodeGeneratedColumn(pParse, pCol, iSrc); + } + pCol->colFlags &= ~(COLFLAG_BUSY|COLFLAG_NOTAVAIL); + return iSrc; + }else +#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ + if( pCol->affinity==SQLITE_AFF_REAL ){ + sqlite3VdbeAddOp2(v, OP_SCopy, iSrc, target); sqlite3VdbeAddOp1(v, OP_RealAffinity, target); return target; }else{ - return pExpr->iColumn - pParse->iSelfTab; + return iSrc; } }else{ /* Coding an expression that is part of an index where column names @@ -101091,9 +103627,13 @@ expr_code_doover: iTab = pParse->iSelfTab - 1; } } - return sqlite3ExprCodeGetColumn(pParse, pExpr->y.pTab, + iReg = sqlite3ExprCodeGetColumn(pParse, pExpr->y.pTab, pExpr->iColumn, iTab, target, pExpr->op2); + if( pExpr->y.pTab==0 && pExpr->affExpr==SQLITE_AFF_REAL ){ + sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg); + } + return iReg; } case TK_INTEGER: { codeInteger(pParse, pExpr, 0, target); @@ -101115,7 +103655,12 @@ expr_code_doover: sqlite3VdbeLoadString(v, target, pExpr->u.zToken); return target; } - case TK_NULL: { + default: { + /* Make NULL the default case so that if a bug causes an illegal + ** Expr node to be passed into this function, it will be handled + ** sanely and not crash. But keep the assert() to bring the problem + ** to the attention of the developers. */ + assert( op==TK_NULL ); sqlite3VdbeAddOp2(v, OP_Null, 0, target); return target; } @@ -101142,7 +103687,7 @@ expr_code_doover: sqlite3VdbeAddOp2(v, OP_Variable, pExpr->iColumn, target); if( pExpr->u.zToken[1]!=0 ){ const char *z = sqlite3VListNumToName(pParse->pVList, pExpr->iColumn); - assert( pExpr->u.zToken[0]=='?' || strcmp(pExpr->u.zToken, z)==0 ); + assert( pExpr->u.zToken[0]=='?' || (z && !strcmp(pExpr->u.zToken, z)) ); pParse->pVList[0] = 0; /* Indicate VList may no longer be enlarged */ sqlite3VdbeAppendP4(v, (char*)z, P4_STATIC); } @@ -101182,7 +103727,8 @@ expr_code_doover: r1 = sqlite3ExprCodeTemp(pParse, pLeft, ®Free1); r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2); codeCompare(pParse, pLeft, pExpr->pRight, op, - r1, r2, inReg, SQLITE_STOREP2 | p5); + r1, r2, inReg, SQLITE_STOREP2 | p5, + ExprHasProperty(pExpr,EP_Commuted)); assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt); assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le); assert(TK_GT==OP_Gt); testcase(op==OP_Gt); VdbeCoverageIf(v,op==OP_Gt); @@ -101204,7 +103750,7 @@ expr_code_doover: case TK_BITOR: case TK_SLASH: case TK_LSHIFT: - case TK_RSHIFT: + case TK_RSHIFT: case TK_CONCAT: { assert( TK_AND==OP_And ); testcase( op==TK_AND ); assert( TK_OR==OP_Or ); testcase( op==TK_OR ); @@ -101240,6 +103786,7 @@ expr_code_doover: tempX.op = TK_INTEGER; tempX.flags = EP_IntValue|EP_TokenOnly; tempX.u.iValue = 0; + ExprClearVVAProperties(&tempX); r1 = sqlite3ExprCodeTemp(pParse, &tempX, ®Free1); r2 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free2); sqlite3VdbeAddOp3(v, OP_Subtract, r2, r1, target); @@ -101285,7 +103832,10 @@ expr_code_doover: } case TK_AGG_FUNCTION: { AggInfo *pInfo = pExpr->pAggInfo; - if( pInfo==0 ){ + if( pInfo==0 + || NEVER(pExpr->iAgg<0) + || NEVER(pExpr->iAgg>=pInfo->nFunc) + ){ assert( !ExprHasProperty(pExpr, EP_IntValue) ); sqlite3ErrorMsg(pParse, "misuse of aggregate: %s()", pExpr->u.zToken); }else{ @@ -101311,16 +103861,13 @@ expr_code_doover: #endif if( ConstFactorOk(pParse) && sqlite3ExprIsConstantNotJoin(pExpr) ){ - /* SQL functions can be expensive. So try to move constant functions - ** out of the inner loop, even if that means an extra OP_Copy. */ - return sqlite3ExprCodeAtInit(pParse, pExpr, -1); + /* SQL functions can be expensive. So try to avoid running them + ** multiple times if we know they always give the same result */ + return sqlite3ExprCodeRunJustOnce(pParse, pExpr, -1); } assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); - if( ExprHasProperty(pExpr, EP_TokenOnly) ){ - pFarg = 0; - }else{ - pFarg = pExpr->x.pList; - } + assert( !ExprHasProperty(pExpr, EP_TokenOnly) ); + pFarg = pExpr->x.pList; nFarg = pFarg ? pFarg->nExpr : 0; assert( !ExprHasProperty(pExpr, EP_IntValue) ); zId = pExpr->u.zToken; @@ -101334,48 +103881,15 @@ expr_code_doover: sqlite3ErrorMsg(pParse, "unknown function: %s()", zId); break; } - - /* Attempt a direct implementation of the built-in COALESCE() and - ** IFNULL() functions. This avoids unnecessary evaluation of - ** arguments past the first non-NULL argument. - */ - if( pDef->funcFlags & SQLITE_FUNC_COALESCE ){ - int endCoalesce = sqlite3VdbeMakeLabel(pParse); - assert( nFarg>=2 ); - sqlite3ExprCode(pParse, pFarg->a[0].pExpr, target); - for(i=1; i<nFarg; i++){ - sqlite3VdbeAddOp2(v, OP_NotNull, target, endCoalesce); - VdbeCoverage(v); - sqlite3ExprCode(pParse, pFarg->a[i].pExpr, target); - } - sqlite3VdbeResolveLabel(v, endCoalesce); - break; + if( pDef->funcFlags & SQLITE_FUNC_INLINE ){ + assert( (pDef->funcFlags & SQLITE_FUNC_UNSAFE)==0 ); + assert( (pDef->funcFlags & SQLITE_FUNC_DIRECT)==0 ); + return exprCodeInlineFunction(pParse, pFarg, + SQLITE_PTR_TO_INT(pDef->pUserData), target); + }else if( pDef->funcFlags & (SQLITE_FUNC_DIRECT|SQLITE_FUNC_UNSAFE) ){ + sqlite3ExprFunctionUsable(pParse, pExpr, pDef); } - /* The UNLIKELY() function is a no-op. The result is the value - ** of the first argument. - */ - if( pDef->funcFlags & SQLITE_FUNC_UNLIKELY ){ - assert( nFarg>=1 ); - return sqlite3ExprCodeTarget(pParse, pFarg->a[0].pExpr, target); - } - -#ifdef SQLITE_DEBUG - /* The AFFINITY() function evaluates to a string that describes - ** the type affinity of the argument. This is used for testing of - ** the SQLite type logic. - */ - if( pDef->funcFlags & SQLITE_FUNC_AFFINITY ){ - const char *azAff[] = { "blob", "text", "numeric", "integer", "real" }; - char aff; - assert( nFarg==1 ); - aff = sqlite3ExprAffinity(pFarg->a[0].pExpr); - sqlite3VdbeLoadString(v, target, - (aff<=SQLITE_AFF_NONE) ? "none" : azAff[aff-SQLITE_AFF_BLOB]); - return target; - } -#endif - for(i=0; i<nFarg; i++){ if( i<32 && sqlite3ExprIsConstant(pFarg->a[i].pExpr) ){ testcase( i==31 ); @@ -101407,7 +103921,7 @@ expr_code_doover: assert( SQLITE_FUNC_LENGTH==OPFLAG_LENGTHARG ); assert( SQLITE_FUNC_TYPEOF==OPFLAG_TYPEOFARG ); testcase( pDef->funcFlags & OPFLAG_LENGTHARG ); - pFarg->a[0].pExpr->op2 = + pFarg->a[0].pExpr->op2 = pDef->funcFlags & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG); } } @@ -101426,7 +103940,7 @@ expr_code_doover: ** see if it is a column in a virtual table. This is done because ** the left operand of infix functions (the operand we want to ** control overloading) ends up as the second argument to the - ** function. The expression "A glob B" is equivalent to + ** function. The expression "A glob B" is equivalent to ** "glob(B,A). We want to use the A in "A glob B" to test ** for function overloading. But we use the B term in "glob(B,A)". */ @@ -101437,7 +103951,7 @@ expr_code_doover: } #endif if( pDef->funcFlags & SQLITE_FUNC_NEEDCOLL ){ - if( !pColl ) pColl = db->pDfltColl; + if( !pColl ) pColl = db->pDfltColl; sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ); } #ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC @@ -101451,12 +103965,15 @@ expr_code_doover: }else #endif { - sqlite3VdbeAddOp4(v, pParse->iSelfTab ? OP_PureFunc0 : OP_Function0, - constMask, r1, target, (char*)pDef, P4_FUNCDEF); - sqlite3VdbeChangeP5(v, (u8)nFarg); + sqlite3VdbeAddFunctionCall(pParse, constMask, r1, target, nFarg, + pDef, pExpr->op2); } - if( nFarg && constMask==0 ){ - sqlite3ReleaseTempRange(pParse, r1, nFarg); + if( nFarg ){ + if( constMask==0 ){ + sqlite3ReleaseTempRange(pParse, r1, nFarg); + }else{ + sqlite3VdbeReleaseRegisters(pParse, r1, nFarg, constMask, 1); + } } return target; } @@ -101466,7 +103983,9 @@ expr_code_doover: int nCol; testcase( op==TK_EXISTS ); testcase( op==TK_SELECT ); - if( op==TK_SELECT && (nCol = pExpr->x.pSelect->pEList->nExpr)!=1 ){ + if( pParse->db->mallocFailed ){ + return 0; + }else if( op==TK_SELECT && (nCol = pExpr->x.pSelect->pEList->nExpr)!=1 ){ sqlite3SubselectError(pParse, nCol, 1); }else{ return sqlite3CodeSubselect(pParse, pExpr); @@ -101517,7 +104036,7 @@ expr_code_doover: return target; } case TK_SPAN: - case TK_COLLATE: + case TK_COLLATE: case TK_UPLUS: { pExpr = pExpr->pLeft; goto expr_code_doover; /* 2018-04-28: Prevent deep recursion. OSSFuzz. */ @@ -101533,7 +104052,7 @@ expr_code_doover: ** ** The expression is implemented using an OP_Param opcode. The p1 ** parameter is set to 0 for an old.rowid reference, or to (i+1) - ** to reference another column of the old.* pseudo-table, where + ** to reference another column of the old.* pseudo-table, where ** i is the index of the column. For a new.rowid reference, p1 is ** set to (n+1), where n is the number of columns in each pseudo-table. ** For a reference to any other column in the new.* pseudo-table, p1 @@ -101547,20 +104066,22 @@ expr_code_doover: ** ** p1==0 -> old.rowid p1==3 -> new.rowid ** p1==1 -> old.a p1==4 -> new.a - ** p1==2 -> old.b p1==5 -> new.b + ** p1==2 -> old.b p1==5 -> new.b */ Table *pTab = pExpr->y.pTab; - int p1 = pExpr->iTable * (pTab->nCol+1) + 1 + pExpr->iColumn; + int iCol = pExpr->iColumn; + int p1 = pExpr->iTable * (pTab->nCol+1) + 1 + + sqlite3TableColumnToStorage(pTab, iCol); assert( pExpr->iTable==0 || pExpr->iTable==1 ); - assert( pExpr->iColumn>=-1 && pExpr->iColumn<pTab->nCol ); - assert( pTab->iPKey<0 || pExpr->iColumn!=pTab->iPKey ); + assert( iCol>=-1 && iCol<pTab->nCol ); + assert( pTab->iPKey<0 || iCol!=pTab->iPKey ); assert( p1>=0 && p1<(pTab->nCol*2+2) ); sqlite3VdbeAddOp2(v, OP_Param, p1, target); VdbeComment((v, "r[%d]=%s.%s", target, (pExpr->iTable ? "new" : "old"), - (pExpr->iColumn<0 ? "rowid" : pExpr->y.pTab->aCol[pExpr->iColumn].zName) + (pExpr->iColumn<0 ? "rowid" : pExpr->y.pTab->aCol[iCol].zName) )); #ifndef SQLITE_OMIT_FLOATING_POINT @@ -101569,9 +104090,7 @@ expr_code_doover: ** ** EVIDENCE-OF: R-60985-57662 SQLite will convert the value back to ** floating point when extracting it from the record. */ - if( pExpr->iColumn>=0 - && pTab->aCol[pExpr->iColumn].affinity==SQLITE_AFF_REAL - ){ + if( iCol>=0 && pTab->aCol[iCol].affinity==SQLITE_AFF_REAL ){ sqlite3VdbeAddOp1(v, OP_RealAffinity, target); } #endif @@ -101626,7 +104145,7 @@ expr_code_doover: ** or if there is no matching Ei, the ELSE term Y, or if there is ** no ELSE term, NULL. */ - default: assert( op==TK_CASE ); { + case TK_CASE: { int endLabel; /* GOTO label for end of CASE stmt */ int nextCase; /* GOTO label for next WHEN clause */ int nExpr; /* 2x number of WHEN terms */ @@ -101685,17 +104204,18 @@ expr_code_doover: sqlite3VdbeAddOp2(v, OP_Null, 0, target); } sqlite3ExprDelete(db, pDel); + setDoNotMergeFlagOnCopy(v); sqlite3VdbeResolveLabel(v, endLabel); break; } #ifndef SQLITE_OMIT_TRIGGER case TK_RAISE: { - assert( pExpr->affExpr==OE_Rollback + assert( pExpr->affExpr==OE_Rollback || pExpr->affExpr==OE_Abort || pExpr->affExpr==OE_Fail || pExpr->affExpr==OE_Ignore ); - if( !pParse->pTriggerTab ){ + if( !pParse->pTriggerTab && !pParse->nested ){ sqlite3ErrorMsg(pParse, "RAISE() may only be used within a trigger-program"); return 0; @@ -101709,8 +104229,9 @@ expr_code_doover: v, OP_Halt, SQLITE_OK, OE_Ignore, 0, pExpr->u.zToken,0); VdbeCoverage(v); }else{ - sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_TRIGGER, - pExpr->affExpr, pExpr->u.zToken, 0, 0); + sqlite3HaltConstraint(pParse, + pParse->pTriggerTab ? SQLITE_CONSTRAINT_TRIGGER : SQLITE_ERROR, + pExpr->affExpr, pExpr->u.zToken, 0, 0); } break; @@ -101723,15 +104244,23 @@ expr_code_doover: } /* -** Factor out the code of the given expression to initialization time. +** Generate code that will evaluate expression pExpr just one time +** per prepared statement execution. +** +** If the expression uses functions (that might throw an exception) then +** guard them with an OP_Once opcode to ensure that the code is only executed +** once. If no functions are involved, then factor the code out and put it at +** the end of the prepared statement in the initialization section. ** ** If regDest>=0 then the result is always stored in that register and the -** result is not reusable. If regDest<0 then this routine is free to -** store the value whereever it wants. The register where the expression -** is stored is returned. When regDest<0, two identical expressions will -** code to the same register. -*/ -SQLITE_PRIVATE int sqlite3ExprCodeAtInit( +** result is not reusable. If regDest<0 then this routine is free to +** store the value whereever it wants. The register where the expression +** is stored is returned. When regDest<0, two identical expressions might +** code to the same register, if they do not contain function calls and hence +** are factored out into the initialization section at the end of the +** prepared statement. +*/ +SQLITE_PRIVATE int sqlite3ExprCodeRunJustOnce( Parse *pParse, /* Parsing context */ Expr *pExpr, /* The expression to code when the VDBE initializes */ int regDest /* Store the value in this register */ @@ -101749,14 +104278,29 @@ SQLITE_PRIVATE int sqlite3ExprCodeAtInit( } } pExpr = sqlite3ExprDup(pParse->db, pExpr, 0); - p = sqlite3ExprListAppend(pParse, p, pExpr); - if( p ){ - struct ExprList_item *pItem = &p->a[p->nExpr-1]; - pItem->reusable = regDest<0; - if( regDest<0 ) regDest = ++pParse->nMem; - pItem->u.iConstExprReg = regDest; + if( pExpr!=0 && ExprHasProperty(pExpr, EP_HasFunc) ){ + Vdbe *v = pParse->pVdbe; + int addr; + assert( v ); + addr = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); + pParse->okConstFactor = 0; + if( !pParse->db->mallocFailed ){ + if( regDest<0 ) regDest = ++pParse->nMem; + sqlite3ExprCode(pParse, pExpr, regDest); + } + pParse->okConstFactor = 1; + sqlite3ExprDelete(pParse->db, pExpr); + sqlite3VdbeJumpHere(v, addr); + }else{ + p = sqlite3ExprListAppend(pParse, p, pExpr); + if( p ){ + struct ExprList_item *pItem = &p->a[p->nExpr-1]; + pItem->reusable = regDest<0; + if( regDest<0 ) regDest = ++pParse->nMem; + pItem->u.iConstExprReg = regDest; + } + pParse->pConstExpr = p; } - pParse->pConstExpr = p; return regDest; } @@ -101781,7 +104325,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeTemp(Parse *pParse, Expr *pExpr, int *pReg){ && sqlite3ExprIsConstantNotJoin(pExpr) ){ *pReg = 0; - r2 = sqlite3ExprCodeAtInit(pParse, pExpr, -1); + r2 = sqlite3ExprCodeRunJustOnce(pParse, pExpr, -1); }else{ int r1 = sqlite3GetTempReg(pParse); r2 = sqlite3ExprCodeTarget(pParse, pExpr, r1); @@ -101803,15 +104347,19 @@ SQLITE_PRIVATE int sqlite3ExprCodeTemp(Parse *pParse, Expr *pExpr, int *pReg){ SQLITE_PRIVATE void sqlite3ExprCode(Parse *pParse, Expr *pExpr, int target){ int inReg; + assert( pExpr==0 || !ExprHasVVAProperty(pExpr,EP_Immutable) ); assert( target>0 && target<=pParse->nMem ); - if( pExpr && pExpr->op==TK_REGISTER ){ - sqlite3VdbeAddOp2(pParse->pVdbe, OP_Copy, pExpr->iTable, target); - }else{ - inReg = sqlite3ExprCodeTarget(pParse, pExpr, target); - assert( pParse->pVdbe!=0 || pParse->db->mallocFailed ); - if( inReg!=target && pParse->pVdbe ){ - sqlite3VdbeAddOp2(pParse->pVdbe, OP_SCopy, inReg, target); + assert( pParse->pVdbe!=0 || pParse->db->mallocFailed ); + if( pParse->pVdbe==0 ) return; + inReg = sqlite3ExprCodeTarget(pParse, pExpr, target); + if( inReg!=target ){ + u8 op; + if( ExprHasProperty(pExpr,EP_Subquery) ){ + op = OP_Copy; + }else{ + op = OP_SCopy; } + sqlite3VdbeAddOp2(pParse->pVdbe, op, inReg, target); } } @@ -101835,37 +104383,13 @@ SQLITE_PRIVATE void sqlite3ExprCodeCopy(Parse *pParse, Expr *pExpr, int target){ */ SQLITE_PRIVATE void sqlite3ExprCodeFactorable(Parse *pParse, Expr *pExpr, int target){ if( pParse->okConstFactor && sqlite3ExprIsConstantNotJoin(pExpr) ){ - sqlite3ExprCodeAtInit(pParse, pExpr, target); + sqlite3ExprCodeRunJustOnce(pParse, pExpr, target); }else{ - sqlite3ExprCode(pParse, pExpr, target); + sqlite3ExprCodeCopy(pParse, pExpr, target); } } /* -** Generate code that evaluates the given expression and puts the result -** in register target. -** -** Also make a copy of the expression results into another "cache" register -** and modify the expression so that the next time it is evaluated, -** the result is a copy of the cache register. -** -** This routine is used for expressions that are used multiple -** times. They are evaluated once and the results of the expression -** are reused. -*/ -SQLITE_PRIVATE void sqlite3ExprCodeAndCache(Parse *pParse, Expr *pExpr, int target){ - Vdbe *v = pParse->pVdbe; - int iMem; - - assert( target>0 ); - assert( pExpr->op!=TK_REGISTER ); - sqlite3ExprCode(pParse, pExpr, target); - iMem = ++pParse->nMem; - sqlite3VdbeAddOp2(v, OP_Copy, target, iMem); - exprToRegister(pExpr, iMem); -} - -/* ** Generate code that pushes the value of every element of the given ** expression list into a sequence of registers beginning at target. ** @@ -101919,7 +104443,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeExprList( }else if( (flags & SQLITE_ECEL_FACTOR)!=0 && sqlite3ExprIsConstantNotJoin(pExpr) ){ - sqlite3ExprCodeAtInit(pParse, pExpr, target+i); + sqlite3ExprCodeRunJustOnce(pParse, pExpr, target+i); }else{ int inReg = sqlite3ExprCodeTarget(pParse, pExpr, target+i); if( inReg!=target+i ){ @@ -101928,6 +104452,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeExprList( && (pOp=sqlite3VdbeGetOp(v, -1))->opcode==OP_Copy && pOp->p1+pOp->p3+1==inReg && pOp->p2+pOp->p3+1==target+i + && pOp->p5==0 /* The do-not-merge flag must be clear */ ){ pOp->p3++; }else{ @@ -101944,7 +104469,7 @@ SQLITE_PRIVATE int sqlite3ExprCodeExprList( ** ** x BETWEEN y AND z ** -** The above is equivalent to +** The above is equivalent to ** ** x>=y AND x<=z ** @@ -102041,6 +104566,7 @@ SQLITE_PRIVATE void sqlite3ExprIfTrue(Parse *pParse, Expr *pExpr, int dest, int assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 ); if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( NEVER(pExpr==0) ) return; /* No way this can happen */ + assert( !ExprHasVVAProperty(pExpr, EP_Immutable) ); op = pExpr->op; switch( op ){ case TK_AND: @@ -102090,7 +104616,7 @@ SQLITE_PRIVATE void sqlite3ExprIfTrue(Parse *pParse, Expr *pExpr, int dest, int testcase( op==TK_ISNOT ); op = (op==TK_IS) ? TK_EQ : TK_NE; jumpIfNull = SQLITE_NULLEQ; - /* Fall thru */ + /* no break */ deliberate_fall_through case TK_LT: case TK_LE: case TK_GT: @@ -102102,7 +104628,7 @@ SQLITE_PRIVATE void sqlite3ExprIfTrue(Parse *pParse, Expr *pExpr, int dest, int r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1); r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2); codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op, - r1, r2, dest, jumpIfNull); + r1, r2, dest, jumpIfNull, ExprHasProperty(pExpr,EP_Commuted)); assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt); assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le); assert(TK_GT==OP_Gt); testcase(op==OP_Gt); VdbeCoverageIf(v,op==OP_Gt); @@ -102160,7 +104686,7 @@ SQLITE_PRIVATE void sqlite3ExprIfTrue(Parse *pParse, Expr *pExpr, int dest, int } } sqlite3ReleaseTempReg(pParse, regFree1); - sqlite3ReleaseTempReg(pParse, regFree2); + sqlite3ReleaseTempReg(pParse, regFree2); } /* @@ -102182,6 +104708,7 @@ SQLITE_PRIVATE void sqlite3ExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 ); if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( pExpr==0 ) return; + assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); /* The value of pExpr->op and op are related as follows: ** @@ -102265,7 +104792,7 @@ SQLITE_PRIVATE void sqlite3ExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int testcase( pExpr->op==TK_ISNOT ); op = (pExpr->op==TK_IS) ? TK_NE : TK_EQ; jumpIfNull = SQLITE_NULLEQ; - /* Fall thru */ + /* no break */ deliberate_fall_through case TK_LT: case TK_LE: case TK_GT: @@ -102277,7 +104804,7 @@ SQLITE_PRIVATE void sqlite3ExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1); r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2); codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op, - r1, r2, dest, jumpIfNull); + r1, r2, dest, jumpIfNull,ExprHasProperty(pExpr,EP_Commuted)); assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt); assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le); assert(TK_GT==OP_Gt); testcase(op==OP_Gt); VdbeCoverageIf(v,op==OP_Gt); @@ -102319,7 +104846,7 @@ SQLITE_PRIVATE void sqlite3ExprIfFalse(Parse *pParse, Expr *pExpr, int dest, int } #endif default: { - default_expr: + default_expr: if( ExprAlwaysFalse(pExpr) ){ sqlite3VdbeGoto(v, dest); }else if( ExprAlwaysTrue(pExpr) ){ @@ -102369,7 +104896,7 @@ static int exprCompareVariable(Parse *pParse, Expr *pVar, Expr *pExpr){ int res = 0; int iVar; sqlite3_value *pL, *pR = 0; - + sqlite3ValueFromExpr(pParse->db, pExpr, SQLITE_UTF8, SQLITE_AFF_BLOB, &pR); if( pR ){ iVar = pVar->iColumn; @@ -102411,9 +104938,9 @@ static int exprCompareVariable(Parse *pParse, Expr *pVar, Expr *pExpr){ ** an incorrect 0 or 1 could lead to a malfunction. ** ** If pParse is not NULL then TK_VARIABLE terms in pA with bindings in -** pParse->pReprepare can be matched against literals in pB. The +** pParse->pReprepare can be matched against literals in pB. The ** pParse->pVdbe->expmask bitmask is updated for each variable referenced. -** If pParse is NULL (the normal case) then any TK_VARIABLE term in +** If pParse is NULL (the normal case) then any TK_VARIABLE term in ** Argument pParse should normally be NULL. If it is not NULL and pA or ** pB causes a return value of 2. */ @@ -102463,8 +104990,9 @@ SQLITE_PRIVATE int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTa return 2; } } - if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2; - if( (combinedFlags & EP_TokenOnly)==0 ){ + if( (pA->flags & (EP_Distinct|EP_Commuted)) + != (pB->flags & (EP_Distinct|EP_Commuted)) ) return 2; + if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){ if( combinedFlags & EP_xIsSelect ) return 2; if( (combinedFlags & EP_FixedCol)==0 && sqlite3ExprCompare(pParse, pA->pLeft, pB->pLeft, iTab) ) return 2; @@ -102472,21 +105000,22 @@ SQLITE_PRIVATE int sqlite3ExprCompare(Parse *pParse, Expr *pA, Expr *pB, int iTa if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2; if( pA->op!=TK_STRING && pA->op!=TK_TRUEFALSE - && (combinedFlags & EP_Reduced)==0 + && ALWAYS((combinedFlags & EP_Reduced)==0) ){ if( pA->iColumn!=pB->iColumn ) return 2; - if( pA->op2!=pB->op2 ) return 2; - if( pA->op!=TK_IN - && pA->iTable!=pB->iTable - && (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2; + if( pA->op2!=pB->op2 && pA->op==TK_TRUTH ) return 2; + if( pA->op!=TK_IN && pA->iTable!=pB->iTable && pA->iTable!=iTab ){ + return 2; + } } } return 0; } /* -** Compare two ExprList objects. Return 0 if they are identical and -** non-zero if they differ in any way. +** Compare two ExprList objects. Return 0 if they are identical, 1 +** if they are certainly different, or 2 if it is not possible to +** determine if they are identical or not. ** ** If any subelement of pB has Expr.iTable==(-1) then it is allowed ** to compare equal to an equivalent element in pA with Expr.iTable==iTab. @@ -102505,10 +105034,11 @@ SQLITE_PRIVATE int sqlite3ExprListCompare(ExprList *pA, ExprList *pB, int iTab){ if( pA==0 || pB==0 ) return 1; if( pA->nExpr!=pB->nExpr ) return 1; for(i=0; i<pA->nExpr; i++){ + int res; Expr *pExprA = pA->a[i].pExpr; Expr *pExprB = pB->a[i].pExpr; if( pA->a[i].sortFlags!=pB->a[i].sortFlags ) return 1; - if( sqlite3ExprCompare(0, pExprA, pExprB, iTab) ) return 1; + if( (res = sqlite3ExprCompare(0, pExprA, pExprB, iTab)) ) return res; } return 0; } @@ -102571,16 +105101,16 @@ static int exprImpliesNotNull( case TK_MINUS: case TK_BITOR: case TK_LSHIFT: - case TK_RSHIFT: - case TK_CONCAT: + case TK_RSHIFT: + case TK_CONCAT: seenNot = 1; - /* Fall thru */ + /* no break */ deliberate_fall_through case TK_STAR: case TK_REM: case TK_BITAND: case TK_SLASH: { if( exprImpliesNotNull(pParse, p->pRight, pNN, iTab, seenNot) ) return 1; - /* Fall thru into the next case */ + /* no break */ deliberate_fall_through } case TK_SPAN: case TK_COLLATE: @@ -102617,9 +105147,9 @@ static int exprImpliesNotNull( ** When comparing TK_COLUMN nodes between pE1 and pE2, if pE2 has ** Expr.iTable<0 then assume a table number given by iTab. ** -** If pParse is not NULL, then the values of bound variables in pE1 are +** If pParse is not NULL, then the values of bound variables in pE1 are ** compared against literal values in pE2 and pParse->pVdbe->expmask is -** modified to record which bound variables are referenced. If pParse +** modified to record which bound variables are referenced. If pParse ** is NULL, then false will be returned if pE1 contains any bound variables. ** ** When in doubt, return false. Returning true might give a performance @@ -102645,7 +105175,7 @@ SQLITE_PRIVATE int sqlite3ExprImpliesExpr(Parse *pParse, Expr *pE1, Expr *pE2, i } /* -** This is the Expr node callback for sqlite3ExprImpliesNotNullRow(). +** This is the Expr node callback for sqlite3ExprImpliesNonNullRow(). ** If the expression node requires that the table at pWalker->iCur ** have one or more non-NULL column, then set pWalker->eCode to 1 and abort. ** @@ -102663,6 +105193,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ case TK_NOTNULL: case TK_IS: case TK_OR: + case TK_VECTOR: case TK_CASE: case TK_IN: case TK_FUNCTION: @@ -102672,6 +105203,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ testcase( pExpr->op==TK_NOTNULL ); testcase( pExpr->op==TK_IS ); testcase( pExpr->op==TK_OR ); + testcase( pExpr->op==TK_VECTOR ); testcase( pExpr->op==TK_CASE ); testcase( pExpr->op==TK_IN ); testcase( pExpr->op==TK_FUNCTION ); @@ -102685,15 +105217,20 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ return WRC_Prune; case TK_AND: - if( sqlite3ExprImpliesNonNullRow(pExpr->pLeft, pWalker->u.iCur) - && sqlite3ExprImpliesNonNullRow(pExpr->pRight, pWalker->u.iCur) - ){ - pWalker->eCode = 1; + if( pWalker->eCode==0 ){ + sqlite3WalkExpr(pWalker, pExpr->pLeft); + if( pWalker->eCode ){ + pWalker->eCode = 0; + sqlite3WalkExpr(pWalker, pExpr->pRight); + } } return WRC_Prune; case TK_BETWEEN: - sqlite3WalkExpr(pWalker, pExpr->pLeft); + if( sqlite3WalkExpr(pWalker, pExpr->pLeft)==WRC_Abort ){ + assert( pWalker->eCode ); + return WRC_Abort; + } return WRC_Prune; /* Virtual tables are allowed to use constraints like x=NULL. So @@ -102704,19 +105241,26 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ case TK_LT: case TK_LE: case TK_GT: - case TK_GE: + case TK_GE: { + Expr *pLeft = pExpr->pLeft; + Expr *pRight = pExpr->pRight; testcase( pExpr->op==TK_EQ ); testcase( pExpr->op==TK_NE ); testcase( pExpr->op==TK_LT ); testcase( pExpr->op==TK_LE ); testcase( pExpr->op==TK_GT ); testcase( pExpr->op==TK_GE ); - if( (pExpr->pLeft->op==TK_COLUMN && IsVirtual(pExpr->pLeft->y.pTab)) - || (pExpr->pRight->op==TK_COLUMN && IsVirtual(pExpr->pRight->y.pTab)) + /* The y.pTab=0 assignment in wherecode.c always happens after the + ** impliesNotNullRow() test */ + if( (pLeft->op==TK_COLUMN && ALWAYS(pLeft->y.pTab!=0) + && IsVirtual(pLeft->y.pTab)) + || (pRight->op==TK_COLUMN && ALWAYS(pRight->y.pTab!=0) + && IsVirtual(pRight->y.pTab)) ){ - return WRC_Prune; + return WRC_Prune; } - + /* no break */ deliberate_fall_through + } default: return WRC_Continue; } @@ -102747,14 +105291,13 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ Walker w; p = sqlite3ExprSkipCollateAndLikely(p); - while( p ){ - if( p->op==TK_NOTNULL ){ - p = p->pLeft; - }else if( p->op==TK_AND ){ + if( p==0 ) return 0; + if( p->op==TK_NOTNULL ){ + p = p->pLeft; + }else{ + while( p->op==TK_AND ){ if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab) ) return 1; p = p->pRight; - }else{ - break; } } w.xExprCallback = impliesNotNullRow; @@ -102779,14 +105322,14 @@ struct IdxCover { }; /* -** Check to see if there are references to columns in table +** Check to see if there are references to columns in table ** pWalker->u.pIdxCover->iCur can be satisfied using the index ** pWalker->u.pIdxCover->pIdx. */ static int exprIdxCover(Walker *pWalker, Expr *pExpr){ if( pExpr->op==TK_COLUMN && pExpr->iTable==pWalker->u.pIdxCover->iCur - && sqlite3ColumnOfIndex(pWalker->u.pIdxCover->pIdx, pExpr->iColumn)<0 + && sqlite3TableColumnToIndex(pWalker->u.pIdxCover->pIdx, pExpr->iColumn)<0 ){ pWalker->eCode = 1; return WRC_Abort; @@ -102823,26 +105366,42 @@ SQLITE_PRIVATE int sqlite3ExprCoveredByIndex( /* ** An instance of the following structure is used by the tree walker -** to count references to table columns in the arguments of an +** to count references to table columns in the arguments of an ** aggregate function, in order to implement the ** sqlite3FunctionThisSrc() routine. */ struct SrcCount { SrcList *pSrc; /* One particular FROM clause in a nested query */ + int iSrcInner; /* Smallest cursor number in this context */ int nThis; /* Number of references to columns in pSrcList */ int nOther; /* Number of references to columns in other FROM clauses */ }; /* +** xSelect callback for sqlite3FunctionUsesThisSrc(). If this is the first +** SELECT with a FROM clause encountered during this iteration, set +** SrcCount.iSrcInner to the cursor number of the leftmost object in +** the FROM cause. +*/ +static int selectSrcCount(Walker *pWalker, Select *pSel){ + struct SrcCount *p = pWalker->u.pSrcCount; + if( p->iSrcInner==0x7FFFFFFF && ALWAYS(pSel->pSrc) && pSel->pSrc->nSrc ){ + pWalker->u.pSrcCount->iSrcInner = pSel->pSrc->a[0].iCursor; + } + return WRC_Continue; +} + +/* ** Count the number of references to columns. */ static int exprSrcCount(Walker *pWalker, Expr *pExpr){ - /* The NEVER() on the second term is because sqlite3FunctionUsesThisSrc() - ** is always called before sqlite3ExprAnalyzeAggregates() and so the - ** TK_COLUMNs have not yet been converted into TK_AGG_COLUMN. If - ** sqlite3FunctionUsesThisSrc() is used differently in the future, the - ** NEVER() will need to be removed. */ - if( pExpr->op==TK_COLUMN || NEVER(pExpr->op==TK_AGG_COLUMN) ){ + /* There was once a NEVER() on the second term on the grounds that + ** sqlite3FunctionUsesThisSrc() was always called before + ** sqlite3ExprAnalyzeAggregates() and so the TK_COLUMNs have not yet + ** been converted into TK_AGG_COLUMN. But this is no longer true due + ** to window functions - sqlite3WindowRewrite() may now indirectly call + ** FunctionUsesThisSrc() when creating a new sub-select. */ + if( pExpr->op==TK_COLUMN || pExpr->op==TK_AGG_COLUMN ){ int i; struct SrcCount *p = pWalker->u.pSrcCount; SrcList *pSrc = p->pSrc; @@ -102852,7 +105411,7 @@ static int exprSrcCount(Walker *pWalker, Expr *pExpr){ } if( i<nSrc ){ p->nThis++; - }else if( nSrc==0 || pExpr->iTable<pSrc->a[0].iCursor ){ + }else if( pExpr->iTable<p->iSrcInner ){ /* In a well-formed parse tree (no name resolution errors), ** TK_COLUMN nodes with smaller Expr.iTable values are in an ** outer context. Those are the only ones to count as "other" */ @@ -102874,16 +105433,80 @@ SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr *pExpr, SrcList *pSrcList){ assert( pExpr->op==TK_AGG_FUNCTION ); memset(&w, 0, sizeof(w)); w.xExprCallback = exprSrcCount; - w.xSelectCallback = sqlite3SelectWalkNoop; + w.xSelectCallback = selectSrcCount; w.u.pSrcCount = &cnt; cnt.pSrc = pSrcList; + cnt.iSrcInner = (pSrcList&&pSrcList->nSrc)?pSrcList->a[0].iCursor:0x7FFFFFFF; cnt.nThis = 0; cnt.nOther = 0; sqlite3WalkExprList(&w, pExpr->x.pList); +#ifndef SQLITE_OMIT_WINDOWFUNC + if( ExprHasProperty(pExpr, EP_WinFunc) ){ + sqlite3WalkExpr(&w, pExpr->y.pWin->pFilter); + } +#endif return cnt.nThis>0 || cnt.nOther==0; } /* +** This is a Walker expression node callback. +** +** For Expr nodes that contain pAggInfo pointers, make sure the AggInfo +** object that is referenced does not refer directly to the Expr. If +** it does, make a copy. This is done because the pExpr argument is +** subject to change. +** +** The copy is stored on pParse->pConstExpr with a register number of 0. +** This will cause the expression to be deleted automatically when the +** Parse object is destroyed, but the zero register number means that it +** will not generate any code in the preamble. +*/ +static int agginfoPersistExprCb(Walker *pWalker, Expr *pExpr){ + if( ALWAYS(!ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced)) + && pExpr->pAggInfo!=0 + ){ + AggInfo *pAggInfo = pExpr->pAggInfo; + int iAgg = pExpr->iAgg; + Parse *pParse = pWalker->pParse; + sqlite3 *db = pParse->db; + assert( pExpr->op==TK_AGG_COLUMN || pExpr->op==TK_AGG_FUNCTION ); + if( pExpr->op==TK_AGG_COLUMN ){ + assert( iAgg>=0 && iAgg<pAggInfo->nColumn ); + if( pAggInfo->aCol[iAgg].pCExpr==pExpr ){ + pExpr = sqlite3ExprDup(db, pExpr, 0); + if( pExpr ){ + pAggInfo->aCol[iAgg].pCExpr = pExpr; + pParse->pConstExpr = + sqlite3ExprListAppend(pParse, pParse->pConstExpr, pExpr); + } + } + }else{ + assert( iAgg>=0 && iAgg<pAggInfo->nFunc ); + if( pAggInfo->aFunc[iAgg].pFExpr==pExpr ){ + pExpr = sqlite3ExprDup(db, pExpr, 0); + if( pExpr ){ + pAggInfo->aFunc[iAgg].pFExpr = pExpr; + pParse->pConstExpr = + sqlite3ExprListAppend(pParse, pParse->pConstExpr, pExpr); + } + } + } + } + return WRC_Continue; +} + +/* +** Initialize a Walker object so that will persist AggInfo entries referenced +** by the tree that is walked. +*/ +SQLITE_PRIVATE void sqlite3AggInfoPersistWalkerInit(Walker *pWalker, Parse *pParse){ + memset(pWalker, 0, sizeof(*pWalker)); + pWalker->pParse = pParse; + pWalker->xExprCallback = agginfoPersistExprCb; + pWalker->xSelectCallback = sqlite3SelectWalkNoop; +} + +/* ** Add a new element to the pAggInfo->aCol[] array. Return the index of ** the new element. Return a negative number if malloc fails. */ @@ -102897,7 +105520,7 @@ static int addAggInfoColumn(sqlite3 *db, AggInfo *pInfo){ &i ); return i; -} +} /* ** Add a new element to the pAggInfo->aFunc[] array. Return the index of @@ -102906,14 +105529,14 @@ static int addAggInfoColumn(sqlite3 *db, AggInfo *pInfo){ static int addAggInfoFunc(sqlite3 *db, AggInfo *pInfo){ int i; pInfo->aFunc = sqlite3ArrayAllocate( - db, + db, pInfo->aFunc, sizeof(pInfo->aFunc[0]), &pInfo->nFunc, &i ); return i; -} +} /* ** This is the xExprCallback for a tree walker. It is used to @@ -102942,7 +105565,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) ); if( pExpr->iTable==pItem->iCursor ){ /* If we reach this point, it means that pExpr refers to a table - ** that is in the FROM clause of the aggregate query. + ** that is in the FROM clause of the aggregate query. ** ** Make an entry for the column in pAggInfo->aCol[] if there ** is not an entry there already. @@ -102956,7 +105579,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ } } if( (k>=pAggInfo->nColumn) - && (k = addAggInfoColumn(pParse->db, pAggInfo))>=0 + && (k = addAggInfoColumn(pParse->db, pAggInfo))>=0 ){ pCol = &pAggInfo->aCol[k]; pCol->pTab = pExpr->y.pTab; @@ -102964,7 +105587,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ pCol->iColumn = pExpr->iColumn; pCol->iMem = ++pParse->nMem; pCol->iSorterColumn = -1; - pCol->pExpr = pExpr; + pCol->pCExpr = pExpr; if( pAggInfo->pGroupBy ){ int j, n; ExprList *pGB = pAggInfo->pGroupBy; @@ -103002,12 +105625,12 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ if( (pNC->ncFlags & NC_InAggFunc)==0 && pWalker->walkerDepth==pExpr->op2 ){ - /* Check to see if pExpr is a duplicate of another aggregate + /* Check to see if pExpr is a duplicate of another aggregate ** function that is already in the pAggInfo structure */ struct AggInfo_func *pItem = pAggInfo->aFunc; for(i=0; i<pAggInfo->nFunc; i++, pItem++){ - if( sqlite3ExprCompare(0, pItem->pExpr, pExpr, -1)==0 ){ + if( sqlite3ExprCompare(0, pItem->pFExpr, pExpr, -1)==0 ){ break; } } @@ -103019,11 +105642,11 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ if( i>=0 ){ assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); pItem = &pAggInfo->aFunc[i]; - pItem->pExpr = pExpr; + pItem->pFExpr = pExpr; pItem->iMem = ++pParse->nMem; assert( !ExprHasProperty(pExpr, EP_IntValue) ); pItem->pFunc = sqlite3FindFunction(pParse->db, - pExpr->u.zToken, + pExpr->u.zToken, pExpr->x.pList ? pExpr->x.pList->nExpr : 0, enc, 0); if( pExpr->flags & EP_Distinct ){ pItem->iDistinct = pParse->nTab++; @@ -103046,15 +105669,6 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){ } return WRC_Continue; } -static int analyzeAggregatesInSelect(Walker *pWalker, Select *pSelect){ - UNUSED_PARAMETER(pSelect); - pWalker->walkerDepth++; - return WRC_Continue; -} -static void analyzeAggregatesInSelectEnd(Walker *pWalker, Select *pSelect){ - UNUSED_PARAMETER(pSelect); - pWalker->walkerDepth--; -} /* ** Analyze the pExpr expression looking for aggregate functions and @@ -103068,8 +105682,8 @@ static void analyzeAggregatesInSelectEnd(Walker *pWalker, Select *pSelect){ SQLITE_PRIVATE void sqlite3ExprAnalyzeAggregates(NameContext *pNC, Expr *pExpr){ Walker w; w.xExprCallback = analyzeAggregate; - w.xSelectCallback = analyzeAggregatesInSelect; - w.xSelectCallback2 = analyzeAggregatesInSelectEnd; + w.xSelectCallback = sqlite3WalkerDepthIncrease; + w.xSelectCallback2 = sqlite3WalkerDepthDecrease; w.walkerDepth = 0; w.u.pNC = pNC; w.pParse = 0; @@ -103108,8 +105722,11 @@ SQLITE_PRIVATE int sqlite3GetTempReg(Parse *pParse){ ** purpose. */ SQLITE_PRIVATE void sqlite3ReleaseTempReg(Parse *pParse, int iReg){ - if( iReg && pParse->nTempReg<ArraySize(pParse->aTempReg) ){ - pParse->aTempReg[pParse->nTempReg++] = iReg; + if( iReg ){ + sqlite3VdbeReleaseRegisters(pParse, iReg, 1, 0, 0); + if( pParse->nTempReg<ArraySize(pParse->aTempReg) ){ + pParse->aTempReg[pParse->nTempReg++] = iReg; + } } } @@ -103135,6 +105752,7 @@ SQLITE_PRIVATE void sqlite3ReleaseTempRange(Parse *pParse, int iReg, int nReg){ sqlite3ReleaseTempReg(pParse, iReg); return; } + sqlite3VdbeReleaseRegisters(pParse, iReg, nReg, 0, 0); if( nReg>pParse->nRangeReg ){ pParse->nRangeReg = nReg; pParse->iRangeReg = iReg; @@ -103210,11 +105828,10 @@ SQLITE_PRIVATE int sqlite3NoTempsInRange(Parse *pParse, int iFirst, int iLast){ ** Or, if zName is not a system table, zero is returned. */ static int isAlterableTable(Parse *pParse, Table *pTab){ - if( 0==sqlite3StrNICmp(pTab->zName, "sqlite_", 7) + if( 0==sqlite3StrNICmp(pTab->zName, "sqlite_", 7) #ifndef SQLITE_OMIT_VIRTUALTABLE - || ( (pTab->tabFlags & TF_Shadow) - && (pParse->db->flags & SQLITE_Defensive) - && pParse->db->nVdbeExec==0 + || ( (pTab->tabFlags & TF_Shadow)!=0 + && sqlite3ReadOnlyShadowTables(pParse->db) ) #endif ){ @@ -103232,24 +105849,24 @@ static int isAlterableTable(Parse *pParse, Table *pTab){ ** objects unusable. */ static void renameTestSchema(Parse *pParse, const char *zDb, int bTemp){ - sqlite3NestedParse(pParse, + sqlite3NestedParse(pParse, "SELECT 1 " - "FROM \"%w\".%s " + "FROM \"%w\"." DFLT_SCHEMA_TABLE " " "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" " AND sql NOT LIKE 'create virtual%%'" " AND sqlite_rename_test(%Q, sql, type, name, %d)=NULL ", - zDb, MASTER_NAME, + zDb, zDb, bTemp ); if( bTemp==0 ){ - sqlite3NestedParse(pParse, + sqlite3NestedParse(pParse, "SELECT 1 " - "FROM temp.%s " + "FROM temp." DFLT_SCHEMA_TABLE " " "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" " AND sql NOT LIKE 'create virtual%%'" " AND sqlite_rename_test(%Q, sql, type, name, 1)=NULL ", - MASTER_NAME, zDb + zDb ); } } @@ -103268,8 +105885,8 @@ static void renameReloadSchema(Parse *pParse, int iDb){ } /* -** Generate code to implement the "ALTER TABLE xxx RENAME TO yyy" -** command. +** Generate code to implement the "ALTER TABLE xxx RENAME TO yyy" +** command. */ SQLITE_PRIVATE void sqlite3AlterRenameTable( Parse *pParse, /* Parser context. */ @@ -103279,7 +105896,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( int iDb; /* Database that contains the table */ char *zDb; /* Name of database iDb */ Table *pTab; /* Table being renamed */ - char *zName = 0; /* NULL-terminated version of pName */ + char *zName = 0; /* NULL-terminated version of pName */ sqlite3 *db = pParse->db; /* Database connection */ int nTabName; /* Number of UTF-8 characters in zTabName */ const char *zTabName; /* Original name of the table */ @@ -103287,7 +105904,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( VTable *pVTab = 0; /* Non-zero if this is a v-tab with an xRename() */ u32 savedDbFlags; /* Saved value of db->mDbFlags */ - savedDbFlags = db->mDbFlags; + savedDbFlags = db->mDbFlags; if( NEVER(db->mallocFailed) ) goto exit_rename_table; assert( pSrc->nSrc==1 ); assert( sqlite3BtreeHoldsAllMutexes(pParse->db) ); @@ -103305,8 +105922,11 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( /* Check that a table or index named 'zName' does not already exist ** in database iDb. If so, this is an error. */ - if( sqlite3FindTable(db, zName, zDb) || sqlite3FindIndex(db, zName, zDb) ){ - sqlite3ErrorMsg(pParse, + if( sqlite3FindTable(db, zName, zDb) + || sqlite3FindIndex(db, zName, zDb) + || sqlite3IsShadowTableOf(db, pTab, zName) + ){ + sqlite3ErrorMsg(pParse, "there is already another table or index with this name: %s", zName); goto exit_rename_table; } @@ -103349,7 +105969,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( /* Begin a transaction for database iDb. Then modify the schema cookie ** (since the ALTER TABLE modifies the schema). Call sqlite3MayAbort(), - ** as the scalar functions (e.g. sqlite_rename_table()) invoked by the + ** as the scalar functions (e.g. sqlite_rename_table()) invoked by the ** nested SQL may raise an exception. */ v = sqlite3GetVdbe(pParse); if( v==0 ){ @@ -103363,18 +105983,18 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( /* Rewrite all CREATE TABLE, INDEX, TRIGGER or VIEW statements in ** the schema to use the new table name. */ - sqlite3NestedParse(pParse, - "UPDATE \"%w\".%s SET " + sqlite3NestedParse(pParse, + "UPDATE \"%w\"." DFLT_SCHEMA_TABLE " SET " "sql = sqlite_rename_table(%Q, type, name, sql, %Q, %Q, %d) " "WHERE (type!='index' OR tbl_name=%Q COLLATE nocase)" "AND name NOT LIKE 'sqliteX_%%' ESCAPE 'X'" - , zDb, MASTER_NAME, zDb, zTabName, zName, (iDb==1), zTabName + , zDb, zDb, zTabName, zName, (iDb==1), zTabName ); - /* Update the tbl_name and name columns of the sqlite_master table + /* Update the tbl_name and name columns of the sqlite_schema table ** as required. */ sqlite3NestedParse(pParse, - "UPDATE %Q.%s SET " + "UPDATE %Q." DFLT_SCHEMA_TABLE " SET " "tbl_name = %Q, " "name = CASE " "WHEN type='table' THEN %Q " @@ -103383,14 +106003,14 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( "'sqlite_autoindex_' || %Q || substr(name,%d+18) " "ELSE name END " "WHERE tbl_name=%Q COLLATE nocase AND " - "(type='table' OR type='index' OR type='trigger');", - zDb, MASTER_NAME, - zName, zName, zName, + "(type='table' OR type='index' OR type='trigger');", + zDb, + zName, zName, zName, nTabName, zTabName ); #ifndef SQLITE_OMIT_AUTOINCREMENT - /* If the sqlite_sequence table exists in this database, then update + /* If the sqlite_sequence table exists in this database, then update ** it with the new table name. */ if( sqlite3FindTable(db, "sqlite_sequence", zDb) ){ @@ -103401,11 +106021,11 @@ SQLITE_PRIVATE void sqlite3AlterRenameTable( #endif /* If the table being renamed is not itself part of the temp database, - ** edit view and trigger definitions within the temp database + ** edit view and trigger definitions within the temp database ** as required. */ if( iDb!=1 ){ - sqlite3NestedParse(pParse, - "UPDATE sqlite_temp_master SET " + sqlite3NestedParse(pParse, + "UPDATE sqlite_temp_schema SET " "sql = sqlite_rename_table(%Q, type, name, sql, %Q, %Q, 1), " "tbl_name = " "CASE WHEN tbl_name=%Q COLLATE nocase AND " @@ -103438,6 +106058,22 @@ exit_rename_table: } /* +** Write code that will raise an error if the table described by +** zDb and zTab is not empty. +*/ +static void sqlite3ErrorIfNotEmpty( + Parse *pParse, /* Parsing context */ + const char *zDb, /* Schema holding the table */ + const char *zTab, /* Table to check for empty */ + const char *zErr /* Error message text */ +){ + sqlite3NestedParse(pParse, + "SELECT raise(ABORT,%Q) FROM \"%w\".\"%w\"", + zErr, zDb, zTab + ); +} + +/* ** This function is called after an "ALTER TABLE ... ADD" statement ** has been parsed. Argument pColDef contains the text of the new ** column definition. @@ -103479,14 +106115,6 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ } #endif - /* If the default value for the new column was specified with a - ** literal NULL, then set pDflt to 0. This simplifies checking - ** for an SQL NULL default below. - */ - assert( pDflt==0 || pDflt->op==TK_SPAN ); - if( pDflt && pDflt->pLeft->op==TK_NULL ){ - pDflt = 0; - } /* Check that the new column is not specified as PRIMARY KEY or UNIQUE. ** If there is a NOT NULL constraint, then the default value for the @@ -103497,39 +106125,52 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ return; } if( pNew->pIndex ){ - sqlite3ErrorMsg(pParse, "Cannot add a UNIQUE column"); - return; - } - if( (db->flags&SQLITE_ForeignKeys) && pNew->pFKey && pDflt ){ - sqlite3ErrorMsg(pParse, - "Cannot add a REFERENCES column with non-NULL default value"); - return; - } - if( pCol->notNull && !pDflt ){ - sqlite3ErrorMsg(pParse, - "Cannot add a NOT NULL column with default value NULL"); + sqlite3ErrorMsg(pParse, + "Cannot add a UNIQUE column"); return; } - - /* Ensure the default expression is something that sqlite3ValueFromExpr() - ** can handle (i.e. not CURRENT_TIME etc.) - */ - if( pDflt ){ - sqlite3_value *pVal = 0; - int rc; - rc = sqlite3ValueFromExpr(db, pDflt, SQLITE_UTF8, SQLITE_AFF_BLOB, &pVal); - assert( rc==SQLITE_OK || rc==SQLITE_NOMEM ); - if( rc!=SQLITE_OK ){ - assert( db->mallocFailed == 1 ); - return; + if( (pCol->colFlags & COLFLAG_GENERATED)==0 ){ + /* If the default value for the new column was specified with a + ** literal NULL, then set pDflt to 0. This simplifies checking + ** for an SQL NULL default below. + */ + assert( pDflt==0 || pDflt->op==TK_SPAN ); + if( pDflt && pDflt->pLeft->op==TK_NULL ){ + pDflt = 0; } - if( !pVal ){ - sqlite3ErrorMsg(pParse, "Cannot add a column with non-constant default"); - return; + if( (db->flags&SQLITE_ForeignKeys) && pNew->pFKey && pDflt ){ + sqlite3ErrorIfNotEmpty(pParse, zDb, zTab, + "Cannot add a REFERENCES column with non-NULL default value"); } - sqlite3ValueFree(pVal); + if( pCol->notNull && !pDflt ){ + sqlite3ErrorIfNotEmpty(pParse, zDb, zTab, + "Cannot add a NOT NULL column with default value NULL"); + } + + + /* Ensure the default expression is something that sqlite3ValueFromExpr() + ** can handle (i.e. not CURRENT_TIME etc.) + */ + if( pDflt ){ + sqlite3_value *pVal = 0; + int rc; + rc = sqlite3ValueFromExpr(db, pDflt, SQLITE_UTF8, SQLITE_AFF_BLOB, &pVal); + assert( rc==SQLITE_OK || rc==SQLITE_NOMEM ); + if( rc!=SQLITE_OK ){ + assert( db->mallocFailed == 1 ); + return; + } + if( !pVal ){ + sqlite3ErrorIfNotEmpty(pParse, zDb, zTab, + "Cannot add a column with non-constant default"); + } + sqlite3ValueFree(pVal); + } + }else if( pCol->colFlags & COLFLAG_STORED ){ + sqlite3ErrorIfNotEmpty(pParse, zDb, zTab, "cannot add a STORED column"); } + /* Modify the CREATE TABLE statement. */ zCol = sqlite3DbStrNDup(db, (char*)pColDef->z, pColDef->n); if( zCol ){ @@ -103539,11 +106180,11 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ *zEnd-- = '\0'; } db->mDbFlags |= DBFLAG_PreferBuiltin; - sqlite3NestedParse(pParse, - "UPDATE \"%w\".%s SET " + sqlite3NestedParse(pParse, + "UPDATE \"%w\"." DFLT_SCHEMA_TABLE " SET " "sql = substr(sql,1,%d) || ', ' || %Q || substr(sql,%d) " - "WHERE type = 'table' AND name = %Q", - zDb, MASTER_NAME, pNew->addColOffset, zCol, pNew->addColOffset+1, + "WHERE type = 'table' AND name = %Q", + zDb, pNew->addColOffset, zCol, pNew->addColOffset+1, zTab ); sqlite3DbFree(db, zCol); @@ -103572,14 +106213,14 @@ SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){ /* ** This function is called by the parser after the table-name in -** an "ALTER TABLE <table-name> ADD" statement is parsed. Argument +** an "ALTER TABLE <table-name> ADD" statement is parsed. Argument ** pSrc is the full-name of the table being altered. ** ** This routine makes a (partial) copy of the Table structure ** for the table being altered and sets Parse.pNewTable to point ** to it. Routines called by the parser as the column definition -** is parsed (i.e. sqlite3AddColumn()) add the new Column data to -** the copy. The copy of the Table structure is deleted by tokenize.c +** is parsed (i.e. sqlite3AddColumn()) add the new Column data to +** the copy. The copy of the Table structure is deleted by tokenize.c ** after parsing is finished. ** ** Routine sqlite3AlterFinishAddColumn() will be called to complete @@ -103645,6 +106286,7 @@ SQLITE_PRIVATE void sqlite3AlterBeginAddColumn(Parse *pParse, SrcList *pSrc){ for(i=0; i<pNew->nCol; i++){ Column *pCol = &pNew->aCol[i]; pCol->zName = sqlite3DbStrDup(db, pCol->zName); + pCol->hName = sqlite3StrIHash(pCol->zName); pCol->zColl = 0; pCol->pDflt = 0; } @@ -103718,7 +106360,7 @@ SQLITE_PRIVATE void sqlite3AlterRenameColumn( if( SQLITE_OK!=isAlterableTable(pParse, pTab) ) goto exit_rename_column; if( SQLITE_OK!=isRealTable(pParse, pTab) ) goto exit_rename_column; - /* Which schema holds the table to be altered */ + /* Which schema holds the table to be altered */ iSchema = sqlite3SchemaToIndex(db, pTab->pSchema); assert( iSchema>=0 ); zDb = db->aDb[iSchema].zDbSName; @@ -103744,29 +106386,28 @@ SQLITE_PRIVATE void sqlite3AlterRenameColumn( /* Do the rename operation using a recursive UPDATE statement that ** uses the sqlite_rename_column() SQL function to compute the new - ** CREATE statement text for the sqlite_master table. + ** CREATE statement text for the sqlite_schema table. */ sqlite3MayAbort(pParse); zNew = sqlite3NameFromToken(db, pNew); if( !zNew ) goto exit_rename_column; assert( pNew->n>0 ); bQuote = sqlite3Isquote(pNew->z[0]); - sqlite3NestedParse(pParse, - "UPDATE \"%w\".%s SET " + sqlite3NestedParse(pParse, + "UPDATE \"%w\"." DFLT_SCHEMA_TABLE " SET " "sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, %d) " "WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X' " " AND (type != 'index' OR tbl_name = %Q)" " AND sql NOT LIKE 'create virtual%%'", - zDb, MASTER_NAME, + zDb, zDb, pTab->zName, iCol, zNew, bQuote, iSchema==1, pTab->zName ); - sqlite3NestedParse(pParse, - "UPDATE temp.%s SET " + sqlite3NestedParse(pParse, + "UPDATE temp." DFLT_SCHEMA_TABLE " SET " "sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, 1) " "WHERE type IN ('trigger', 'view')", - MASTER_NAME, zDb, pTab->zName, iCol, zNew, bQuote ); @@ -103813,7 +106454,7 @@ struct RenameCtx { RenameToken *pList; /* List of tokens to overwrite */ int nList; /* Number of tokens in pList */ int iCol; /* Index of column being renamed */ - Table *pTab; /* Table being ALTERed */ + Table *pTab; /* Table being ALTERed */ const char *zOld; /* Old column name */ }; @@ -103821,14 +106462,14 @@ struct RenameCtx { /* ** This function is only for debugging. It performs two tasks: ** -** 1. Checks that pointer pPtr does not already appear in the +** 1. Checks that pointer pPtr does not already appear in the ** rename-token list. ** ** 2. Dereferences each pointer in the rename-token list. ** ** The second is most effective when debugging under valgrind or -** address-sanitizer or similar. If any of these pointers no longer -** point to valid objects, an exception is raised by the memory-checking +** address-sanitizer or similar. If any of these pointers no longer +** point to valid objects, an exception is raised by the memory-checking ** tool. ** ** The point of this is to prevent comparisons of invalid pointer values. @@ -103873,12 +106514,14 @@ SQLITE_PRIVATE void *sqlite3RenameTokenMap(Parse *pParse, void *pPtr, Token *pTo RenameToken *pNew; assert( pPtr || pParse->db->mallocFailed ); renameTokenCheckAll(pParse, pPtr); - pNew = sqlite3DbMallocZero(pParse->db, sizeof(RenameToken)); - if( pNew ){ - pNew->p = pPtr; - pNew->t = *pToken; - pNew->pNext = pParse->pRename; - pParse->pRename = pNew; + if( ALWAYS(pParse->eParseMode!=PARSE_MODE_UNMAP) ){ + pNew = sqlite3DbMallocZero(pParse->db, sizeof(RenameToken)); + if( pNew ){ + pNew->p = pPtr; + pNew->t = *pToken; + pNew->pNext = pParse->pRename; + pParse->pRename = pNew; + } } return pPtr; @@ -103910,16 +106553,53 @@ static int renameUnmapExprCb(Walker *pWalker, Expr *pExpr){ } /* +** Iterate through the Select objects that are part of WITH clauses attached +** to select statement pSelect. +*/ +static void renameWalkWith(Walker *pWalker, Select *pSelect){ + With *pWith = pSelect->pWith; + if( pWith ){ + int i; + for(i=0; i<pWith->nCte; i++){ + Select *p = pWith->a[i].pSelect; + NameContext sNC; + memset(&sNC, 0, sizeof(sNC)); + sNC.pParse = pWalker->pParse; + sqlite3SelectPrep(sNC.pParse, p, &sNC); + sqlite3WalkSelect(pWalker, p); + sqlite3RenameExprlistUnmap(pWalker->pParse, pWith->a[i].pCols); + } + } +} + +/* +** Unmap all tokens in the IdList object passed as the second argument. +*/ +static void unmapColumnIdlistNames( + Parse *pParse, + IdList *pIdList +){ + if( pIdList ){ + int ii; + for(ii=0; ii<pIdList->nId; ii++){ + sqlite3RenameTokenRemap(pParse, 0, (void*)pIdList->a[ii].zName); + } + } +} + +/* ** Walker callback used by sqlite3RenameExprUnmap(). */ static int renameUnmapSelectCb(Walker *pWalker, Select *p){ Parse *pParse = pWalker->pParse; int i; + if( pParse->nErr ) return WRC_Abort; + if( NEVER(p->selFlags & SF_View) ) return WRC_Prune; if( ALWAYS(p->pEList) ){ ExprList *pList = p->pEList; for(i=0; i<pList->nExpr; i++){ - if( pList->a[i].zName ){ - sqlite3RenameTokenRemap(pParse, 0, (void*)pList->a[i].zName); + if( pList->a[i].zEName && pList->a[i].eEName==ENAME_NAME ){ + sqlite3RenameTokenRemap(pParse, 0, (void*)pList->a[i].zEName); } } } @@ -103927,8 +106607,12 @@ static int renameUnmapSelectCb(Walker *pWalker, Select *p){ SrcList *pSrc = p->pSrc; for(i=0; i<pSrc->nSrc; i++){ sqlite3RenameTokenRemap(pParse, 0, (void*)pSrc->a[i].zName); + if( sqlite3WalkExpr(pWalker, pSrc->a[i].pOn) ) return WRC_Abort; + unmapColumnIdlistNames(pParse, pSrc->a[i].pUsing); } } + + renameWalkWith(pWalker, p); return WRC_Continue; } @@ -103936,16 +106620,19 @@ static int renameUnmapSelectCb(Walker *pWalker, Select *p){ ** Remove all nodes that are part of expression pExpr from the rename list. */ SQLITE_PRIVATE void sqlite3RenameExprUnmap(Parse *pParse, Expr *pExpr){ + u8 eMode = pParse->eParseMode; Walker sWalker; memset(&sWalker, 0, sizeof(Walker)); sWalker.pParse = pParse; sWalker.xExprCallback = renameUnmapExprCb; sWalker.xSelectCallback = renameUnmapSelectCb; + pParse->eParseMode = PARSE_MODE_UNMAP; sqlite3WalkExpr(&sWalker, pExpr); + pParse->eParseMode = eMode; } /* -** Remove all nodes that are part of expression-list pEList from the +** Remove all nodes that are part of expression-list pEList from the ** rename list. */ SQLITE_PRIVATE void sqlite3RenameExprlistUnmap(Parse *pParse, ExprList *pEList){ @@ -103957,7 +106644,9 @@ SQLITE_PRIVATE void sqlite3RenameExprlistUnmap(Parse *pParse, ExprList *pEList){ sWalker.xExprCallback = renameUnmapExprCb; sqlite3WalkExprList(&sWalker, pEList); for(i=0; i<pEList->nExpr; i++){ - sqlite3RenameTokenRemap(pParse, 0, (void*)pEList->a[i].zName); + if( ALWAYS(pEList->a[i].eEName==ENAME_NAME) ){ + sqlite3RenameTokenRemap(pParse, 0, (void*)pEList->a[i].zEName); + } } } } @@ -103996,29 +106685,12 @@ static void renameTokenFind(Parse *pParse, struct RenameCtx *pCtx, void *pPtr){ } /* -** Iterate through the Select objects that are part of WITH clauses attached -** to select statement pSelect. -*/ -static void renameWalkWith(Walker *pWalker, Select *pSelect){ - if( pSelect->pWith ){ - int i; - for(i=0; i<pSelect->pWith->nCte; i++){ - Select *p = pSelect->pWith->a[i].pSelect; - NameContext sNC; - memset(&sNC, 0, sizeof(sNC)); - sNC.pParse = pWalker->pParse; - sqlite3SelectPrep(sNC.pParse, p, &sNC); - sqlite3WalkSelect(pWalker, p); - } - } -} - -/* ** This is a Walker select callback. It does nothing. It is only required ** because without a dummy callback, sqlite3WalkExpr() and similar do not ** descend into sub-select statements. */ static int renameColumnSelectCb(Walker *pWalker, Select *p){ + if( p->selFlags & SF_View ) return WRC_Prune; renameWalkWith(pWalker, p); return WRC_Continue; } @@ -104034,13 +106706,13 @@ static int renameColumnSelectCb(Walker *pWalker, Select *p){ */ static int renameColumnExprCb(Walker *pWalker, Expr *pExpr){ RenameCtx *p = pWalker->u.pRename; - if( pExpr->op==TK_TRIGGER - && pExpr->iColumn==p->iCol + if( pExpr->op==TK_TRIGGER + && pExpr->iColumn==p->iCol && pWalker->pParse->pTriggerTab==p->pTab ){ renameTokenFind(pWalker->pParse, p, (void*)pExpr); - }else if( pExpr->op==TK_COLUMN - && pExpr->iColumn==p->iCol + }else if( pExpr->op==TK_COLUMN + && pExpr->iColumn==p->iCol && p->pTab==pExpr->y.pTab ){ renameTokenFind(pWalker->pParse, p, (void*)pExpr); @@ -104079,7 +106751,7 @@ static RenameToken *renameColumnTokenNext(RenameCtx *pCtx){ ** adds context to the error message and then stores it in pCtx. */ static void renameColumnParseError( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int bPost, sqlite3_value *pType, sqlite3_value *pObject, @@ -104089,7 +106761,7 @@ static void renameColumnParseError( const char *zN = (const char*)sqlite3_value_text(pObject); char *zErr; - zErr = sqlite3_mprintf("error in %s %s%s: %s", + zErr = sqlite3_mprintf("error in %s %s%s: %s", zT, zN, (bPost ? " after rename" : ""), pParse->zErrMsg ); @@ -104099,21 +106771,24 @@ static void renameColumnParseError( /* ** For each name in the the expression-list pEList (i.e. each -** pEList->a[i].zName) that matches the string in zOld, extract the +** pEList->a[i].zName) that matches the string in zOld, extract the ** corresponding rename-token from Parse object pParse and add it ** to the RenameCtx pCtx. */ static void renameColumnElistNames( - Parse *pParse, - RenameCtx *pCtx, - ExprList *pEList, + Parse *pParse, + RenameCtx *pCtx, + ExprList *pEList, const char *zOld ){ if( pEList ){ int i; for(i=0; i<pEList->nExpr; i++){ - char *zName = pEList->a[i].zName; - if( 0==sqlite3_stricmp(zName, zOld) ){ + char *zName = pEList->a[i].zEName; + if( ALWAYS(pEList->a[i].eEName==ENAME_NAME) + && ALWAYS(zName!=0) + && 0==sqlite3_stricmp(zName, zOld) + ){ renameTokenFind(pParse, pCtx, (void*)zName); } } @@ -104121,14 +106796,14 @@ static void renameColumnElistNames( } /* -** For each name in the the id-list pIdList (i.e. each pIdList->a[i].zName) -** that matches the string in zOld, extract the corresponding rename-token +** For each name in the the id-list pIdList (i.e. each pIdList->a[i].zName) +** that matches the string in zOld, extract the corresponding rename-token ** from Parse object pParse and add it to the RenameCtx pCtx. */ static void renameColumnIdlistNames( - Parse *pParse, - RenameCtx *pCtx, - IdList *pIdList, + Parse *pParse, + RenameCtx *pCtx, + IdList *pIdList, const char *zOld ){ if( pIdList ){ @@ -104142,6 +106817,7 @@ static void renameColumnIdlistNames( } } + /* ** Parse the SQL statement zSql using Parse object (*p). The Parse object ** is initialized by this function before it is used. @@ -104149,7 +106825,6 @@ static void renameColumnIdlistNames( static int renameParseSql( Parse *p, /* Memory to use for Parse object */ const char *zDb, /* Name of schema SQL belongs to */ - int bTable, /* 1 -> RENAME TABLE, 0 -> RENAME COLUMN */ sqlite3 *db, /* Database handle */ const char *zSql, /* SQL to parse */ int bTemp /* True if SQL is from temp schema */ @@ -104163,7 +106838,7 @@ static int renameParseSql( ** occurs and the parse does not result in a new table, index or ** trigger object, the database must be corrupt. */ memset(p, 0, sizeof(Parse)); - p->eParseMode = (bTable ? PARSE_MODE_RENAME_TABLE : PARSE_MODE_RENAME_COLUMN); + p->eParseMode = PARSE_MODE_RENAME; p->db = db; p->nQueryLoop = 1; rc = sqlite3RunParser(p, zSql, &zErr); @@ -104171,8 +106846,8 @@ static int renameParseSql( assert( rc!=SQLITE_OK || zErr==0 ); p->zErrMsg = zErr; if( db->mallocFailed ) rc = SQLITE_NOMEM; - if( rc==SQLITE_OK - && p->pNewTable==0 && p->pNewIndex==0 && p->pNewTrigger==0 + if( rc==SQLITE_OK + && p->pNewTable==0 && p->pNewIndex==0 && p->pNewTrigger==0 ){ rc = SQLITE_CORRUPT_BKPT; } @@ -104217,8 +106892,8 @@ static int renameEditSql( char *zOut; int nQuot; - /* Set zQuot to point to a buffer containing a quoted copy of the - ** identifier zNew. If the corresponding identifier in the original + /* Set zQuot to point to a buffer containing a quoted copy of the + ** identifier zNew. If the corresponding identifier in the original ** ALTER TABLE statement was quoted (bQuote==1), then set zNew to ** point to zQuot so that all substitutions are made using the ** quoted version of the new column name. */ @@ -104258,7 +106933,7 @@ static int renameEditSql( iOff = pBest->t.z - zSql; if( pBest->t.n!=nReplace ){ - memmove(&zOut[iOff + nReplace], &zOut[iOff + pBest->t.n], + memmove(&zOut[iOff + nReplace], &zOut[iOff + pBest->t.n], nOut - (iOff + pBest->t.n) ); nOut += nReplace - pBest->t.n; @@ -104280,11 +106955,11 @@ static int renameEditSql( /* ** Resolve all symbols in the trigger at pParse->pNewTrigger, assuming -** it was read from the schema of database zDb. Return SQLITE_OK if +** it was read from the schema of database zDb. Return SQLITE_OK if ** successful. Otherwise, return an SQLite error code and leave an error ** message in the Parse object. */ -static int renameResolveTrigger(Parse *pParse, const char *zDb){ +static int renameResolveTrigger(Parse *pParse){ sqlite3 *db = pParse->db; Trigger *pNew = pParse->pNewTrigger; TriggerStep *pStep; @@ -104294,7 +106969,7 @@ static int renameResolveTrigger(Parse *pParse, const char *zDb){ memset(&sNC, 0, sizeof(sNC)); sNC.pParse = pParse; assert( pNew->pTabSchema ); - pParse->pTriggerTab = sqlite3FindTable(db, pNew->table, + pParse->pTriggerTab = sqlite3FindTable(db, pNew->table, db->aDb[sqlite3SchemaToIndex(db, pNew->pTabSchema)].zDbSName ); pParse->eTriggerOp = pNew->op; @@ -104315,17 +106990,22 @@ static int renameResolveTrigger(Parse *pParse, const char *zDb){ if( pParse->nErr ) rc = pParse->rc; } if( rc==SQLITE_OK && pStep->zTarget ){ - Table *pTarget = sqlite3LocateTable(pParse, 0, pStep->zTarget, zDb); - if( pTarget==0 ){ - rc = SQLITE_ERROR; - }else if( SQLITE_OK==(rc = sqlite3ViewGetColumnNames(pParse, pTarget)) ){ - SrcList sSrc; - memset(&sSrc, 0, sizeof(sSrc)); - sSrc.nSrc = 1; - sSrc.a[0].zName = pStep->zTarget; - sSrc.a[0].pTab = pTarget; - sNC.pSrcList = &sSrc; - if( pStep->pWhere ){ + SrcList *pSrc = sqlite3TriggerStepSrc(pParse, pStep); + if( pSrc ){ + int i; + for(i=0; i<pSrc->nSrc && rc==SQLITE_OK; i++){ + struct SrcList_item *p = &pSrc->a[i]; + p->pTab = sqlite3LocateTableItem(pParse, 0, p); + p->iCursor = pParse->nTab++; + if( p->pTab==0 ){ + rc = SQLITE_ERROR; + }else{ + p->pTab->nTabRef++; + rc = sqlite3ViewGetColumnNames(pParse, p->pTab); + } + } + sNC.pSrcList = pSrc; + if( rc==SQLITE_OK && pStep->pWhere ){ rc = sqlite3ResolveExprNames(&sNC, pStep->pWhere); } if( rc==SQLITE_OK ){ @@ -104335,7 +107015,7 @@ static int renameResolveTrigger(Parse *pParse, const char *zDb){ if( pStep->pUpsert ){ Upsert *pUpsert = pStep->pUpsert; assert( rc==SQLITE_OK ); - pUpsert->pUpsertSrc = &sSrc; + pUpsert->pUpsertSrc = pSrc; sNC.uNC.pUpsert = pUpsert; sNC.ncFlags = NC_UUpsert; rc = sqlite3ResolveExprListNames(&sNC, pUpsert->pUpsertTarget); @@ -104352,6 +107032,9 @@ static int renameResolveTrigger(Parse *pParse, const char *zDb){ sNC.ncFlags = 0; } sNC.pSrcList = 0; + sqlite3SrcListDelete(db, pSrc); + }else{ + rc = SQLITE_NOMEM; } } } @@ -104470,7 +107153,7 @@ static void renameColumnFunc( #ifndef SQLITE_OMIT_AUTHORIZATION db->xAuth = 0; #endif - rc = renameParseSql(&sParse, zDb, 0, db, zSql, bTemp); + rc = renameParseSql(&sParse, zDb, db, zSql, bTemp); /* Find tokens that need to be replaced. */ memset(&sWalker, 0, sizeof(Walker)); @@ -104484,8 +107167,9 @@ static void renameColumnFunc( if( sParse.pNewTable ){ Select *pSelect = sParse.pNewTable->pSelect; if( pSelect ){ + pSelect->selFlags &= ~SF_View; sParse.rc = SQLITE_OK; - sqlite3SelectPrep(&sParse, sParse.pNewTable->pSelect, 0); + sqlite3SelectPrep(&sParse, pSelect, 0); rc = (db->mallocFailed ? SQLITE_NOMEM : sParse.rc); if( rc==SQLITE_OK ){ sqlite3WalkSelect(&sWalker, pSelect); @@ -104512,6 +107196,11 @@ static void renameColumnFunc( sqlite3WalkExprList(&sWalker, pIdx->aColExpr); } } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + for(i=0; i<sParse.pNewTable->nCol; i++){ + sqlite3WalkExpr(&sWalker, sParse.pNewTable->aCol[i].pDflt); + } +#endif for(pFKey=sParse.pNewTable->pFKey; pFKey; pFKey=pFKey->pNextFrom){ for(i=0; i<pFKey->nCol; i++){ @@ -104532,11 +107221,11 @@ static void renameColumnFunc( }else{ /* A trigger */ TriggerStep *pStep; - rc = renameResolveTrigger(&sParse, (bTemp ? 0 : zDb)); + rc = renameResolveTrigger(&sParse); if( rc!=SQLITE_OK ) goto renameColumnFunc_done; for(pStep=sParse.pNewTrigger->step_list; pStep; pStep=pStep->pNext){ - if( pStep->zTarget ){ + if( pStep->zTarget ){ Table *pTarget = sqlite3LocateTable(&sParse, 0, pStep->zTarget, zDb); if( pTarget==pTab ){ if( pStep->pUpsert ){ @@ -104580,7 +107269,7 @@ renameColumnFunc_done: } /* -** Walker expression callback used by "RENAME TABLE". +** Walker expression callback used by "RENAME TABLE". */ static int renameTableExprCb(Walker *pWalker, Expr *pExpr){ RenameCtx *p = pWalker->u.pRename; @@ -104591,12 +107280,13 @@ static int renameTableExprCb(Walker *pWalker, Expr *pExpr){ } /* -** Walker select callback used by "RENAME TABLE". +** Walker select callback used by "RENAME TABLE". */ static int renameTableSelectCb(Walker *pWalker, Select *pSelect){ int i; RenameCtx *p = pWalker->u.pRename; SrcList *pSrc = pSelect->pSrc; + if( pSelect->selFlags & SF_View ) return WRC_Prune; if( pSrc==0 ){ assert( pWalker->pParse->db->mallocFailed ); return WRC_Abort; @@ -104616,7 +107306,7 @@ static int renameTableSelectCb(Walker *pWalker, Select *pSelect){ /* ** This C function implements an SQL user function that is used by SQL code ** generated by the ALTER TABLE ... RENAME command to modify the definition -** of any foreign key constraints that use the table being renamed as the +** of any foreign key constraints that use the table being renamed as the ** parent table. It is passed three arguments: ** ** 0: The database containing the table being renamed. @@ -104667,7 +107357,7 @@ static void renameTableFunc( sWalker.xSelectCallback = renameTableSelectCb; sWalker.u.pRename = &sCtx; - rc = renameParseSql(&sParse, zDb, 1, db, zInput, bTemp); + rc = renameParseSql(&sParse, zDb, db, zInput, bTemp); if( rc==SQLITE_OK ){ int isLegacy = (db->flags & SQLITE_LegacyAlter); @@ -104676,13 +107366,19 @@ static void renameTableFunc( if( pTab->pSelect ){ if( isLegacy==0 ){ + Select *pSelect = pTab->pSelect; NameContext sNC; memset(&sNC, 0, sizeof(sNC)); sNC.pParse = &sParse; + assert( pSelect->selFlags & SF_View ); + pSelect->selFlags &= ~SF_View; sqlite3SelectPrep(&sParse, pTab->pSelect, &sNC); - if( sParse.nErr ) rc = sParse.rc; - sqlite3WalkSelect(&sWalker, pTab->pSelect); + if( sParse.nErr ){ + rc = sParse.rc; + }else{ + sqlite3WalkSelect(&sWalker, pTab->pSelect); + } } }else{ /* Modify any FK definitions to point to the new table. */ @@ -104721,14 +107417,14 @@ static void renameTableFunc( else{ Trigger *pTrigger = sParse.pNewTrigger; TriggerStep *pStep; - if( 0==sqlite3_stricmp(sParse.pNewTrigger->table, zOld) + if( 0==sqlite3_stricmp(sParse.pNewTrigger->table, zOld) && sCtx.pTab->pSchema==pTrigger->pTabSchema ){ renameTokenFind(&sParse, &sCtx, sParse.pNewTrigger->table); } if( isLegacy==0 ){ - rc = renameResolveTrigger(&sParse, bTemp ? 0 : zDb); + rc = renameResolveTrigger(&sParse); if( rc==SQLITE_OK ){ renameWalkTrigger(&sWalker, pTrigger); for(pStep=pTrigger->step_list; pStep; pStep=pStep->pNext){ @@ -104803,7 +107499,7 @@ static void renameTableTest( if( zDb && zInput ){ int rc; Parse sParse; - rc = renameParseSql(&sParse, zDb, 1, db, zInput, bTemp); + rc = renameParseSql(&sParse, zDb, db, zInput, bTemp); if( rc==SQLITE_OK ){ if( isLegacy==0 && sParse.pNewTable && sParse.pNewTable->pSelect ){ NameContext sNC; @@ -104815,7 +107511,7 @@ static void renameTableTest( else if( sParse.pNewTrigger ){ if( isLegacy==0 ){ - rc = renameResolveTrigger(&sParse, bTemp ? 0 : zDb); + rc = renameResolveTrigger(&sParse); } if( rc==SQLITE_OK ){ int i1 = sqlite3SchemaToIndex(db, sParse.pNewTrigger->pTabSchema); @@ -104883,7 +107579,7 @@ SQLITE_PRIVATE void sqlite3AlterFunctions(void){ ** created and used by SQLite versions 3.7.9 through 3.29.0 when ** SQLITE_ENABLE_STAT3 defined. The functionality of sqlite_stat3 ** is a superset of sqlite_stat2 and is also now deprecated. The -** sqlite_stat4 is an enhanced version of sqlite_stat3 and is only +** sqlite_stat4 is an enhanced version of sqlite_stat3 and is only ** available when compiled with SQLITE_ENABLE_STAT4 and in SQLite ** versions 3.8.1 and later. STAT4 is the only variant that is still ** supported. @@ -104902,7 +107598,7 @@ SQLITE_PRIVATE void sqlite3AlterFunctions(void){ ** integer is the average number of rows in the index that have the same ** value in the first column of the index. The third integer is the average ** number of rows in the index that have the same value for the first two -** columns. The N-th integer (for N>1) is the average number of rows in +** columns. The N-th integer (for N>1) is the average number of rows in ** the index which have the same value for the first N-1 columns. For ** a K-column index, there will be K+1 integers in the stat column. If ** the index is unique, then the last integer will be 1. @@ -104912,7 +107608,7 @@ SQLITE_PRIVATE void sqlite3AlterFunctions(void){ ** must be separated from the last integer by a single space. If the ** "unordered" keyword is present, then the query planner assumes that ** the index is unordered and will not use the index for a range query. -** +** ** If the sqlite_stat1.idx column is NULL, then the sqlite_stat1.stat ** column contains a single integer which is the (estimated) number of ** rows in the table identified by sqlite_stat1.tbl. @@ -104970,9 +107666,9 @@ SQLITE_PRIVATE void sqlite3AlterFunctions(void){ ** number of entries that are strictly less than the sample. The first ** integer in nLt contains the number of entries in the index where the ** left-most column is less than the left-most column of the sample. -** The K-th integer in the nLt entry is the number of index entries +** The K-th integer in the nLt entry is the number of index entries ** where the first K columns are less than the first K columns of the -** sample. The nDLt column is like nLt except that it contains the +** sample. The nDLt column is like nLt except that it contains the ** number of distinct entries in the index that are less than the ** sample. ** @@ -105039,8 +107735,13 @@ static void openStatTable( sqlite3 *db = pParse->db; Db *pDb; Vdbe *v = sqlite3GetVdbe(pParse); - int aRoot[ArraySize(aTable)]; + u32 aRoot[ArraySize(aTable)]; u8 aCreateTbl[ArraySize(aTable)]; +#ifdef SQLITE_ENABLE_STAT4 + const int nToOpen = OptimizationEnabled(db,SQLITE_Stat4) ? 2 : 1; +#else + const int nToOpen = 1; +#endif if( v==0 ) return; assert( sqlite3BtreeHoldsAllMutexes(db) ); @@ -105053,24 +107754,24 @@ static void openStatTable( for(i=0; i<ArraySize(aTable); i++){ const char *zTab = aTable[i].zName; Table *pStat; + aCreateTbl[i] = 0; if( (pStat = sqlite3FindTable(db, zTab, pDb->zDbSName))==0 ){ - if( aTable[i].zCols ){ - /* The sqlite_statN table does not exist. Create it. Note that a - ** side-effect of the CREATE TABLE statement is to leave the rootpage - ** of the new table in register pParse->regRoot. This is important + if( i<nToOpen ){ + /* The sqlite_statN table does not exist. Create it. Note that a + ** side-effect of the CREATE TABLE statement is to leave the rootpage + ** of the new table in register pParse->regRoot. This is important ** because the OpenWrite opcode below will be needing it. */ sqlite3NestedParse(pParse, "CREATE TABLE %Q.%s(%s)", pDb->zDbSName, zTab, aTable[i].zCols ); - aRoot[i] = pParse->regRoot; + aRoot[i] = (u32)pParse->regRoot; aCreateTbl[i] = OPFLAG_P2ISREG; } }else{ - /* The table already exists. If zWhere is not NULL, delete all entries + /* The table already exists. If zWhere is not NULL, delete all entries ** associated with the table zWhere. If zWhere is NULL, delete the ** entire contents of the table. */ aRoot[i] = pStat->tnum; - aCreateTbl[i] = 0; sqlite3TableLock(pParse, iDb, aRoot[i], 1, zTab); if( zWhere ){ sqlite3NestedParse(pParse, @@ -105083,15 +107784,15 @@ static void openStatTable( #endif }else{ /* The sqlite_stat[134] table already exists. Delete all rows. */ - sqlite3VdbeAddOp2(v, OP_Clear, aRoot[i], iDb); + sqlite3VdbeAddOp2(v, OP_Clear, (int)aRoot[i], iDb); } } } /* Open the sqlite_stat[134] tables for writing. */ - for(i=0; aTable[i].zCols; i++){ + for(i=0; i<nToOpen; i++){ assert( i<ArraySize(aTable) ); - sqlite3VdbeAddOp4Int(v, OP_OpenWrite, iStatCur+i, aRoot[i], iDb, 3); + sqlite3VdbeAddOp4Int(v, OP_OpenWrite, iStatCur+i, (int)aRoot[i], iDb, 3); sqlite3VdbeChangeP5(v, aCreateTbl[i]); VdbeComment((v, aTable[i].zName)); } @@ -105109,9 +107810,9 @@ static void openStatTable( ** share an instance of the following structure to hold their state ** information. */ -typedef struct Stat4Accum Stat4Accum; -typedef struct Stat4Sample Stat4Sample; -struct Stat4Sample { +typedef struct StatAccum StatAccum; +typedef struct StatSample StatSample; +struct StatSample { tRowcnt *anEq; /* sqlite_stat4.nEq */ tRowcnt *anDLt; /* sqlite_stat4.nDLt */ #ifdef SQLITE_ENABLE_STAT4 @@ -105125,28 +107826,33 @@ struct Stat4Sample { int iCol; /* If !isPSample, the reason for inclusion */ u32 iHash; /* Tiebreaker hash */ #endif -}; -struct Stat4Accum { - tRowcnt nRow; /* Number of rows in the entire table */ - tRowcnt nPSample; /* How often to do a periodic sample */ +}; +struct StatAccum { + sqlite3 *db; /* Database connection, for malloc() */ + tRowcnt nEst; /* Estimated number of rows */ + tRowcnt nRow; /* Number of rows visited so far */ + int nLimit; /* Analysis row-scan limit */ int nCol; /* Number of columns in index + pk/rowid */ int nKeyCol; /* Number of index columns w/o the pk/rowid */ + u8 nSkipAhead; /* Number of times of skip-ahead */ + StatSample current; /* Current row as a StatSample */ +#ifdef SQLITE_ENABLE_STAT4 + tRowcnt nPSample; /* How often to do a periodic sample */ int mxSample; /* Maximum number of samples to accumulate */ - Stat4Sample current; /* Current row as a Stat4Sample */ u32 iPrn; /* Pseudo-random number used for sampling */ - Stat4Sample *aBest; /* Array of nCol best samples */ + StatSample *aBest; /* Array of nCol best samples */ int iMin; /* Index in a[] of entry with minimum score */ int nSample; /* Current number of samples */ int nMaxEqZero; /* Max leading 0 in anEq[] for any a[] entry */ int iGet; /* Index of current sample accessed by stat_get() */ - Stat4Sample *a; /* Array of mxSample Stat4Sample objects */ - sqlite3 *db; /* Database connection, for malloc() */ + StatSample *a; /* Array of mxSample StatSample objects */ +#endif }; -/* Reclaim memory used by a Stat4Sample +/* Reclaim memory used by a StatSample */ #ifdef SQLITE_ENABLE_STAT4 -static void sampleClear(sqlite3 *db, Stat4Sample *p){ +static void sampleClear(sqlite3 *db, StatSample *p){ assert( db!=0 ); if( p->nRowid ){ sqlite3DbFree(db, p->u.aRowid); @@ -105158,7 +107864,7 @@ static void sampleClear(sqlite3 *db, Stat4Sample *p){ /* Initialize the BLOB value of a ROWID */ #ifdef SQLITE_ENABLE_STAT4 -static void sampleSetRowid(sqlite3 *db, Stat4Sample *p, int n, const u8 *pData){ +static void sampleSetRowid(sqlite3 *db, StatSample *p, int n, const u8 *pData){ assert( db!=0 ); if( p->nRowid ) sqlite3DbFree(db, p->u.aRowid); p->u.aRowid = sqlite3DbMallocRawNN(db, n); @@ -105174,7 +107880,7 @@ static void sampleSetRowid(sqlite3 *db, Stat4Sample *p, int n, const u8 *pData){ /* Initialize the INTEGER value of a ROWID. */ #ifdef SQLITE_ENABLE_STAT4 -static void sampleSetRowidInt64(sqlite3 *db, Stat4Sample *p, i64 iRowid){ +static void sampleSetRowidInt64(sqlite3 *db, StatSample *p, i64 iRowid){ assert( db!=0 ); if( p->nRowid ) sqlite3DbFree(db, p->u.aRowid); p->nRowid = 0; @@ -105187,7 +107893,7 @@ static void sampleSetRowidInt64(sqlite3 *db, Stat4Sample *p, i64 iRowid){ ** Copy the contents of object (*pFrom) into (*pTo). */ #ifdef SQLITE_ENABLE_STAT4 -static void sampleCopy(Stat4Accum *p, Stat4Sample *pTo, Stat4Sample *pFrom){ +static void sampleCopy(StatAccum *p, StatSample *pTo, StatSample *pFrom){ pTo->isPSample = pFrom->isPSample; pTo->iCol = pFrom->iCol; pTo->iHash = pFrom->iHash; @@ -105203,40 +107909,41 @@ static void sampleCopy(Stat4Accum *p, Stat4Sample *pTo, Stat4Sample *pFrom){ #endif /* -** Reclaim all memory of a Stat4Accum structure. +** Reclaim all memory of a StatAccum structure. */ -static void stat4Destructor(void *pOld){ - Stat4Accum *p = (Stat4Accum*)pOld; +static void statAccumDestructor(void *pOld){ + StatAccum *p = (StatAccum*)pOld; #ifdef SQLITE_ENABLE_STAT4 - int i; - for(i=0; i<p->nCol; i++) sampleClear(p->db, p->aBest+i); - for(i=0; i<p->mxSample; i++) sampleClear(p->db, p->a+i); - sampleClear(p->db, &p->current); + if( p->mxSample ){ + int i; + for(i=0; i<p->nCol; i++) sampleClear(p->db, p->aBest+i); + for(i=0; i<p->mxSample; i++) sampleClear(p->db, p->a+i); + sampleClear(p->db, &p->current); + } #endif sqlite3DbFree(p->db, p); } /* -** Implementation of the stat_init(N,K,C) SQL function. The three parameters +** Implementation of the stat_init(N,K,C,L) SQL function. The four parameters ** are: ** N: The number of columns in the index including the rowid/pk (note 1) ** K: The number of columns in the index excluding the rowid/pk. -** C: The number of rows in the index (note 2) +** C: Estimated number of rows in the index +** L: A limit on the number of rows to scan, or 0 for no-limit ** ** Note 1: In the special case of the covering index that implements a ** WITHOUT ROWID table, N is the number of PRIMARY KEY columns, not the ** total number of columns in the table. ** -** Note 2: C is only used for STAT4. -** ** For indexes on ordinary rowid tables, N==K+1. But for indexes on ** WITHOUT ROWID tables, N=K+P where P is the number of columns in the ** PRIMARY KEY of the table. The covering index that implements the ** original WITHOUT ROWID table as N==K as a special case. ** -** This routine allocates the Stat4Accum object in heap memory. The return -** value is a pointer to the Stat4Accum object. The datatype of the -** return value is BLOB, but it is really just a pointer to the Stat4Accum +** This routine allocates the StatAccum object in heap memory. The return +** value is a pointer to the StatAccum object. The datatype of the +** return value is BLOB, but it is really just a pointer to the StatAccum ** object. */ static void statInit( @@ -105244,14 +107951,15 @@ static void statInit( int argc, sqlite3_value **argv ){ - Stat4Accum *p; + StatAccum *p; int nCol; /* Number of columns in index being sampled */ int nKeyCol; /* Number of key columns */ int nColUp; /* nCol rounded up for alignment */ int n; /* Bytes of space to allocate */ - sqlite3 *db; /* Database connection */ + sqlite3 *db = sqlite3_context_db_handle(context); /* Database connection */ #ifdef SQLITE_ENABLE_STAT4 - int mxSample = SQLITE_STAT4_SAMPLES; + /* Maximum number of samples. 0 if STAT4 data is not collected */ + int mxSample = OptimizationEnabled(db,SQLITE_Stat4) ?SQLITE_STAT4_SAMPLES :0; #endif /* Decode the three function arguments */ @@ -105263,16 +107971,17 @@ static void statInit( assert( nKeyCol<=nCol ); assert( nKeyCol>0 ); - /* Allocate the space required for the Stat4Accum object */ - n = sizeof(*p) - + sizeof(tRowcnt)*nColUp /* Stat4Accum.anEq */ - + sizeof(tRowcnt)*nColUp /* Stat4Accum.anDLt */ + /* Allocate the space required for the StatAccum object */ + n = sizeof(*p) + + sizeof(tRowcnt)*nColUp /* StatAccum.anEq */ + + sizeof(tRowcnt)*nColUp; /* StatAccum.anDLt */ #ifdef SQLITE_ENABLE_STAT4 - + sizeof(tRowcnt)*nColUp /* Stat4Accum.anLt */ - + sizeof(Stat4Sample)*(nCol+mxSample) /* Stat4Accum.aBest[], a[] */ - + sizeof(tRowcnt)*3*nColUp*(nCol+mxSample) + if( mxSample ){ + n += sizeof(tRowcnt)*nColUp /* StatAccum.anLt */ + + sizeof(StatSample)*(nCol+mxSample) /* StatAccum.aBest[], a[] */ + + sizeof(tRowcnt)*3*nColUp*(nCol+mxSample); + } #endif - ; db = sqlite3_context_db_handle(context); p = sqlite3DbMallocZero(db, n); if( p==0 ){ @@ -105281,25 +107990,28 @@ static void statInit( } p->db = db; + p->nEst = sqlite3_value_int64(argv[2]); p->nRow = 0; + p->nLimit = sqlite3_value_int64(argv[3]); p->nCol = nCol; p->nKeyCol = nKeyCol; + p->nSkipAhead = 0; p->current.anDLt = (tRowcnt*)&p[1]; p->current.anEq = &p->current.anDLt[nColUp]; #ifdef SQLITE_ENABLE_STAT4 - { + p->mxSample = p->nLimit==0 ? mxSample : 0; + if( mxSample ){ u8 *pSpace; /* Allocated space not yet assigned */ int i; /* Used to iterate through p->aSample[] */ p->iGet = -1; - p->mxSample = mxSample; - p->nPSample = (tRowcnt)(sqlite3_value_int64(argv[2])/(mxSample/3+1) + 1); + p->nPSample = (tRowcnt)(p->nEst/(mxSample/3+1) + 1); p->current.anLt = &p->current.anEq[nColUp]; p->iPrn = 0x689e962d*(u32)nCol ^ 0xd0944565*(u32)sqlite3_value_int(argv[2]); - - /* Set up the Stat4Accum.a[] and aBest[] arrays */ - p->a = (struct Stat4Sample*)&p->current.anLt[nColUp]; + + /* Set up the StatAccum.a[] and aBest[] arrays */ + p->a = (struct StatSample*)&p->current.anLt[nColUp]; p->aBest = &p->a[mxSample]; pSpace = (u8*)(&p->a[mxSample+nCol]); for(i=0; i<(mxSample+nCol); i++){ @@ -105308,7 +108020,7 @@ static void statInit( p->a[i].anDLt = (tRowcnt *)pSpace; pSpace += (sizeof(tRowcnt) * nColUp); } assert( (pSpace - (u8*)p)==n ); - + for(i=0; i<nCol; i++){ p->aBest[i].iCol = i; } @@ -105319,10 +108031,10 @@ static void statInit( ** only the pointer (the 2nd parameter) matters. The size of the object ** (given by the 3rd parameter) is never used and can be any positive ** value. */ - sqlite3_result_blob(context, p, sizeof(*p), stat4Destructor); + sqlite3_result_blob(context, p, sizeof(*p), statAccumDestructor); } static const FuncDef statInitFuncdef = { - 2+IsStat4, /* nArg */ + 4, /* nArg */ SQLITE_UTF8, /* funcFlags */ 0, /* pUserData */ 0, /* pNext */ @@ -105335,20 +108047,20 @@ static const FuncDef statInitFuncdef = { #ifdef SQLITE_ENABLE_STAT4 /* -** pNew and pOld are both candidate non-periodic samples selected for -** the same column (pNew->iCol==pOld->iCol). Ignoring this column and +** pNew and pOld are both candidate non-periodic samples selected for +** the same column (pNew->iCol==pOld->iCol). Ignoring this column and ** considering only any trailing columns and the sample hash value, this ** function returns true if sample pNew is to be preferred over pOld. ** In other words, if we assume that the cardinalities of the selected ** column for pNew and pOld are equal, is pNew to be preferred over pOld. ** ** This function assumes that for each argument sample, the contents of -** the anEq[] array from pSample->anEq[pSample->iCol+1] onwards are valid. +** the anEq[] array from pSample->anEq[pSample->iCol+1] onwards are valid. */ static int sampleIsBetterPost( - Stat4Accum *pAccum, - Stat4Sample *pNew, - Stat4Sample *pOld + StatAccum *pAccum, + StatSample *pNew, + StatSample *pOld ){ int nCol = pAccum->nCol; int i; @@ -105367,12 +108079,12 @@ static int sampleIsBetterPost( ** Return true if pNew is to be preferred over pOld. ** ** This function assumes that for each argument sample, the contents of -** the anEq[] array from pSample->anEq[pSample->iCol] onwards are valid. +** the anEq[] array from pSample->anEq[pSample->iCol] onwards are valid. */ static int sampleIsBetter( - Stat4Accum *pAccum, - Stat4Sample *pNew, - Stat4Sample *pOld + StatAccum *pAccum, + StatSample *pNew, + StatSample *pOld ){ tRowcnt nEqNew = pNew->anEq[pNew->iCol]; tRowcnt nEqOld = pOld->anEq[pOld->iCol]; @@ -105392,30 +108104,30 @@ static int sampleIsBetter( ** Copy the contents of sample *pNew into the p->a[] array. If necessary, ** remove the least desirable sample from p->a[] to make room. */ -static void sampleInsert(Stat4Accum *p, Stat4Sample *pNew, int nEqZero){ - Stat4Sample *pSample = 0; +static void sampleInsert(StatAccum *p, StatSample *pNew, int nEqZero){ + StatSample *pSample = 0; int i; assert( IsStat4 || nEqZero==0 ); - /* Stat4Accum.nMaxEqZero is set to the maximum number of leading 0 - ** values in the anEq[] array of any sample in Stat4Accum.a[]. In + /* StatAccum.nMaxEqZero is set to the maximum number of leading 0 + ** values in the anEq[] array of any sample in StatAccum.a[]. In ** other words, if nMaxEqZero is n, then it is guaranteed that there - ** are no samples with Stat4Sample.anEq[m]==0 for (m>=n). */ + ** are no samples with StatSample.anEq[m]==0 for (m>=n). */ if( nEqZero>p->nMaxEqZero ){ p->nMaxEqZero = nEqZero; } if( pNew->isPSample==0 ){ - Stat4Sample *pUpgrade = 0; + StatSample *pUpgrade = 0; assert( pNew->anEq[pNew->iCol]>0 ); - /* This sample is being added because the prefix that ends in column + /* This sample is being added because the prefix that ends in column ** iCol occurs many times in the table. However, if we have already ** added a sample that shares this prefix, there is no need to add ** this one. Instead, upgrade the priority of the highest priority ** existing sample that shares this prefix. */ for(i=p->nSample-1; i>=0; i--){ - Stat4Sample *pOld = &p->a[i]; + StatSample *pOld = &p->a[i]; if( pOld->anEq[pNew->iCol]==0 ){ if( pOld->isPSample ) return; assert( pOld->iCol>pNew->iCol ); @@ -105434,7 +108146,7 @@ static void sampleInsert(Stat4Accum *p, Stat4Sample *pNew, int nEqZero){ /* If necessary, remove sample iMin to make room for the new sample. */ if( p->nSample>=p->mxSample ){ - Stat4Sample *pMin = &p->a[p->iMin]; + StatSample *pMin = &p->a[p->iMin]; tRowcnt *anEq = pMin->anEq; tRowcnt *anLt = pMin->anLt; tRowcnt *anDLt = pMin->anDLt; @@ -105451,7 +108163,7 @@ static void sampleInsert(Stat4Accum *p, Stat4Sample *pNew, int nEqZero){ /* The "rows less-than" for the rowid column must be greater than that ** for the last sample in the p->a[] array. Otherwise, the samples would ** be out of order. */ - assert( p->nSample==0 + assert( p->nSample==0 || pNew->anLt[p->nCol-1] > p->a[p->nSample-1].anLt[p->nCol-1] ); /* Insert the new sample */ @@ -105477,20 +108189,20 @@ find_new_min: } #endif /* SQLITE_ENABLE_STAT4 */ +#ifdef SQLITE_ENABLE_STAT4 /* ** Field iChng of the index being scanned has changed. So at this point ** p->current contains a sample that reflects the previous row of the ** index. The value of anEq[iChng] and subsequent anEq[] elements are ** correct at this point. */ -static void samplePushPrevious(Stat4Accum *p, int iChng){ -#ifdef SQLITE_ENABLE_STAT4 +static void samplePushPrevious(StatAccum *p, int iChng){ int i; /* Check if any samples from the aBest[] array should be pushed ** into IndexSample.a[] at this point. */ for(i=(p->nCol-2); i>=iChng; i--){ - Stat4Sample *pBest = &p->aBest[i]; + StatSample *pBest = &p->aBest[i]; pBest->anEq[i] = p->current.anEq[i]; if( p->nSample<p->mxSample || sampleIsBetter(p, pBest, &p->a[p->iMin]) ){ sampleInsert(p, pBest, i); @@ -105514,27 +108226,25 @@ static void samplePushPrevious(Stat4Accum *p, int iChng){ } p->nMaxEqZero = iChng; } -#endif - -#ifndef SQLITE_ENABLE_STAT4 - UNUSED_PARAMETER( p ); - UNUSED_PARAMETER( iChng ); -#endif } +#endif /* SQLITE_ENABLE_STAT4 */ /* ** Implementation of the stat_push SQL function: stat_push(P,C,R) ** Arguments: ** -** P Pointer to the Stat4Accum object created by stat_init() +** P Pointer to the StatAccum object created by stat_init() ** C Index of left-most column to differ from previous row ** R Rowid for the current row. Might be a key record for ** WITHOUT ROWID tables. ** -** This SQL function always returns NULL. It's purpose it to accumulate -** statistical data and/or samples in the Stat4Accum object about the -** index being analyzed. The stat_get() SQL function will later be used to -** extract relevant information for constructing the sqlite_statN tables. +** The purpose of this routine is to collect statistical data and/or +** samples from the index being analyzed into the StatAccum object. +** The stat_get() SQL function will be used afterwards to +** retrieve the information gathered. +** +** This SQL function usually returns NULL, but might return an integer +** if it wants the byte-code to do special processing. ** ** The R parameter is only used for STAT4 */ @@ -105546,7 +108256,7 @@ static void statPush( int i; /* The three function arguments */ - Stat4Accum *p = (Stat4Accum*)sqlite3_value_blob(argv[0]); + StatAccum *p = (StatAccum*)sqlite3_value_blob(argv[0]); int iChng = sqlite3_value_int(argv[1]); UNUSED_PARAMETER( argc ); @@ -105559,7 +108269,9 @@ static void statPush( for(i=0; i<p->nCol; i++) p->current.anEq[i] = 1; }else{ /* Second and subsequent calls get processed here */ - samplePushPrevious(p, iChng); +#ifdef SQLITE_ENABLE_STAT4 + if( p->mxSample ) samplePushPrevious(p, iChng); +#endif /* Update anDLt[], anLt[] and anEq[] to reflect the values that apply ** to the current row of the index. */ @@ -105569,26 +108281,25 @@ static void statPush( for(i=iChng; i<p->nCol; i++){ p->current.anDLt[i]++; #ifdef SQLITE_ENABLE_STAT4 - p->current.anLt[i] += p->current.anEq[i]; + if( p->mxSample ) p->current.anLt[i] += p->current.anEq[i]; #endif p->current.anEq[i] = 1; } } - p->nRow++; -#ifdef SQLITE_ENABLE_STAT4 - if( sqlite3_value_type(argv[2])==SQLITE_INTEGER ){ - sampleSetRowidInt64(p->db, &p->current, sqlite3_value_int64(argv[2])); - }else{ - sampleSetRowid(p->db, &p->current, sqlite3_value_bytes(argv[2]), - sqlite3_value_blob(argv[2])); - } - p->current.iHash = p->iPrn = p->iPrn*1103515245 + 12345; -#endif + p->nRow++; #ifdef SQLITE_ENABLE_STAT4 - { - tRowcnt nLt = p->current.anLt[p->nCol-1]; + if( p->mxSample ){ + tRowcnt nLt; + if( sqlite3_value_type(argv[2])==SQLITE_INTEGER ){ + sampleSetRowidInt64(p->db, &p->current, sqlite3_value_int64(argv[2])); + }else{ + sampleSetRowid(p->db, &p->current, sqlite3_value_bytes(argv[2]), + sqlite3_value_blob(argv[2])); + } + p->current.iHash = p->iPrn = p->iPrn*1103515245 + 12345; + nLt = p->current.anLt[p->nCol-1]; /* Check if this is to be a periodic sample. If so, add it. */ if( (nLt/p->nPSample)!=(nLt+1)/p->nPSample ){ p->current.isPSample = 1; @@ -105604,9 +108315,14 @@ static void statPush( sampleCopy(p, &p->aBest[i], &p->current); } } - } + }else #endif + if( p->nLimit && p->nRow>(tRowcnt)p->nLimit*(p->nSkipAhead+1) ){ + p->nSkipAhead++; + sqlite3_result_int(context, p->current.anDLt[0]>0); + } } + static const FuncDef statPushFuncdef = { 2+IsStat4, /* nArg */ SQLITE_UTF8, /* funcFlags */ @@ -105628,15 +108344,15 @@ static const FuncDef statPushFuncdef = { /* ** Implementation of the stat_get(P,J) SQL function. This routine is ** used to query statistical information that has been gathered into -** the Stat4Accum object by prior calls to stat_push(). The P parameter -** has type BLOB but it is really just a pointer to the Stat4Accum object. +** the StatAccum object by prior calls to stat_push(). The P parameter +** has type BLOB but it is really just a pointer to the StatAccum object. ** The content to returned is determined by the parameter J ** which is one of the STAT_GET_xxxx values defined above. ** ** The stat_get(P,J) function is not available to generic SQL. It is ** inserted as part of a manually constructed bytecode program. (See ** the callStatGet() routine below.) It is guaranteed that the P -** parameter will always be a poiner to a Stat4Accum object, never a +** parameter will always be a pointer to a StatAccum object, never a ** NULL. ** ** If STAT4 is not enabled, then J is always @@ -105649,15 +108365,16 @@ static void statGet( int argc, sqlite3_value **argv ){ - Stat4Accum *p = (Stat4Accum*)sqlite3_value_blob(argv[0]); + StatAccum *p = (StatAccum*)sqlite3_value_blob(argv[0]); #ifdef SQLITE_ENABLE_STAT4 /* STAT4 has a parameter on this routine. */ int eCall = sqlite3_value_int(argv[1]); assert( argc==2 ); - assert( eCall==STAT_GET_STAT1 || eCall==STAT_GET_NEQ + assert( eCall==STAT_GET_STAT1 || eCall==STAT_GET_NEQ || eCall==STAT_GET_ROWID || eCall==STAT_GET_NLT - || eCall==STAT_GET_NDLT + || eCall==STAT_GET_NDLT ); + assert( eCall==STAT_GET_STAT1 || p->mxSample ); if( eCall==STAT_GET_STAT1 ) #else assert( argc==1 ); @@ -105666,20 +108383,20 @@ static void statGet( /* Return the value to store in the "stat" column of the sqlite_stat1 ** table for this index. ** - ** The value is a string composed of a list of integers describing - ** the index. The first integer in the list is the total number of - ** entries in the index. There is one additional integer in the list + ** The value is a string composed of a list of integers describing + ** the index. The first integer in the list is the total number of + ** entries in the index. There is one additional integer in the list ** for each indexed column. This additional integer is an estimate of - ** the number of rows matched by a stabbing query on the index using + ** the number of rows matched by a equality query on the index using ** a key with the corresponding number of fields. In other words, - ** if the index is on columns (a,b) and the sqlite_stat1 value is + ** if the index is on columns (a,b) and the sqlite_stat1 value is ** "100 10 2", then SQLite estimates that: ** ** * the index contains 100 rows, ** * "WHERE a=?" matches 10 rows, and ** * "WHERE a=? AND b=?" matches 2 rows. ** - ** If D is the count of distinct values and K is the total number of + ** If D is the count of distinct values and K is the total number of ** rows, then each estimate is computed as: ** ** I = (K+D-1)/D @@ -105693,7 +108410,8 @@ static void statGet( return; } - sqlite3_snprintf(24, zRet, "%llu", (u64)p->nRow); + sqlite3_snprintf(24, zRet, "%llu", + p->nSkipAhead ? (u64)p->nEst : (u64)p->nRow); z = zRet + sqlite3Strlen30(zRet); for(i=0; i<p->nKeyCol; i++){ u64 nDistinct = p->current.anDLt[i] + 1; @@ -105713,7 +108431,7 @@ static void statGet( p->iGet = 0; } if( p->iGet<p->nSample ){ - Stat4Sample *pS = p->a + p->iGet; + StatSample *pS = p->a + p->iGet; if( pS->nRowid==0 ){ sqlite3_result_int64(context, pS->u.iRowid); }else{ @@ -105729,7 +108447,7 @@ static void statGet( case STAT_GET_NEQ: aCnt = p->a[p->iGet].anEq; break; case STAT_GET_NLT: aCnt = p->a[p->iGet].anLt; break; default: { - aCnt = p->a[p->iGet].anDLt; + aCnt = p->a[p->iGet].anDLt; p->iGet++; break; } @@ -105769,20 +108487,43 @@ static const FuncDef statGetFuncdef = { {0} }; -static void callStatGet(Vdbe *v, int regStat4, int iParam, int regOut){ - assert( regOut!=regStat4 && regOut!=regStat4+1 ); +static void callStatGet(Parse *pParse, int regStat, int iParam, int regOut){ #ifdef SQLITE_ENABLE_STAT4 - sqlite3VdbeAddOp2(v, OP_Integer, iParam, regStat4+1); + sqlite3VdbeAddOp2(pParse->pVdbe, OP_Integer, iParam, regStat+1); #elif SQLITE_DEBUG assert( iParam==STAT_GET_STAT1 ); #else UNUSED_PARAMETER( iParam ); #endif - sqlite3VdbeAddOp4(v, OP_Function0, 0, regStat4, regOut, - (char*)&statGetFuncdef, P4_FUNCDEF); - sqlite3VdbeChangeP5(v, 1 + IsStat4); + assert( regOut!=regStat && regOut!=regStat+1 ); + sqlite3VdbeAddFunctionCall(pParse, 0, regStat, regOut, 1+IsStat4, + &statGetFuncdef, 0); } +#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS +/* Add a comment to the most recent VDBE opcode that is the name +** of the k-th column of the pIdx index. +*/ +static void analyzeVdbeCommentIndexWithColumnName( + Vdbe *v, /* Prepared statement under construction */ + Index *pIdx, /* Index whose column is being loaded */ + int k /* Which column index */ +){ + int i; /* Index of column in the table */ + assert( k>=0 && k<pIdx->nColumn ); + i = pIdx->aiColumn[k]; + if( NEVER(i==XN_ROWID) ){ + VdbeComment((v,"%s.rowid",pIdx->zName)); + }else if( i==XN_EXPR ){ + VdbeComment((v,"%s.expr(%d)",pIdx->zName, k)); + }else{ + VdbeComment((v,"%s.%s", pIdx->zName, pIdx->pTable->aCol[i].zName)); + } +} +#else +# define analyzeVdbeCommentIndexWithColumnName(a,b,c) +#endif /* SQLITE_DEBUG */ + /* ** Generate code to do an analysis of all indices associated with ** a single table. @@ -105805,18 +108546,17 @@ static void analyzeOneTable( int iDb; /* Index of database containing pTab */ u8 needTableCnt = 1; /* True to count the table */ int regNewRowid = iMem++; /* Rowid for the inserted record */ - int regStat4 = iMem++; /* Register to hold Stat4Accum object */ + int regStat = iMem++; /* Register to hold StatAccum object */ int regChng = iMem++; /* Index of changed index field */ -#ifdef SQLITE_ENABLE_STAT4 int regRowid = iMem++; /* Rowid argument passed to stat_push() */ -#endif int regTemp = iMem++; /* Temporary use register */ + int regTemp2 = iMem++; /* Second temporary use register */ int regTabname = iMem++; /* Register containing table name */ int regIdxname = iMem++; /* Register containing index name */ int regStat1 = iMem++; /* Value for the stat column of sqlite_stat1 */ int regPrev = iMem; /* MUST BE LAST (see below) */ #ifdef SQLITE_ENABLE_PREUPDATE_HOOK - Table *pStat1 = 0; + Table *pStat1 = 0; #endif pParse->nMem = MAX(pParse->nMem, iMem); @@ -105855,7 +108595,7 @@ static void analyzeOneTable( } #endif - /* Establish a read-lock on the table at the shared-cache level. + /* Establish a read-lock on the table at the shared-cache level. ** Open a read-only cursor on the table. Also allocate a cursor number ** to use for scanning indexes (iIdxCur). No index cursor is opened at ** this time though. */ @@ -105921,9 +108661,9 @@ static void analyzeOneTable( ** end_of_scan: */ - /* Make sure there are enough memory cells allocated to accommodate + /* Make sure there are enough memory cells allocated to accommodate ** the regPrev array and a trailing rowid (the rowid slot is required - ** when building a record to insert into the sample column of + ** when building a record to insert into the sample column of ** the sqlite_stat4 table. */ pParse->nMem = MAX(pParse->nMem, regPrev+nColTest); @@ -105934,23 +108674,31 @@ static void analyzeOneTable( VdbeComment((v, "%s", pIdx->zName)); /* Invoke the stat_init() function. The arguments are: - ** + ** ** (1) the number of columns in the index including the rowid ** (or for a WITHOUT ROWID table, the number of PK columns), ** (2) the number of columns in the key without the rowid/pk - ** (3) the number of rows in the index, - ** - ** - ** The third argument is only used for STAT4 + ** (3) estimated number of rows in the index, */ + sqlite3VdbeAddOp2(v, OP_Integer, nCol, regStat+1); + assert( regRowid==regStat+2 ); + sqlite3VdbeAddOp2(v, OP_Integer, pIdx->nKeyCol, regRowid); #ifdef SQLITE_ENABLE_STAT4 - sqlite3VdbeAddOp2(v, OP_Count, iIdxCur, regStat4+3); + if( OptimizationEnabled(db, SQLITE_Stat4) ){ + sqlite3VdbeAddOp2(v, OP_Count, iIdxCur, regTemp); + addrRewind = sqlite3VdbeAddOp1(v, OP_Rewind, iIdxCur); + VdbeCoverage(v); + }else #endif - sqlite3VdbeAddOp2(v, OP_Integer, nCol, regStat4+1); - sqlite3VdbeAddOp2(v, OP_Integer, pIdx->nKeyCol, regStat4+2); - sqlite3VdbeAddOp4(v, OP_Function0, 0, regStat4+1, regStat4, - (char*)&statInitFuncdef, P4_FUNCDEF); - sqlite3VdbeChangeP5(v, 2+IsStat4); + { + addrRewind = sqlite3VdbeAddOp1(v, OP_Rewind, iIdxCur); + VdbeCoverage(v); + sqlite3VdbeAddOp3(v, OP_Count, iIdxCur, regTemp, 1); + } + assert( regTemp2==regStat+4 ); + sqlite3VdbeAddOp2(v, OP_Integer, db->nAnalysisLimit, regTemp2); + sqlite3VdbeAddFunctionCall(pParse, 0, regStat+1, regStat, 4, + &statInitFuncdef, 0); /* Implementation of the following: ** @@ -105960,8 +108708,6 @@ static void analyzeOneTable( ** goto next_push_0; ** */ - addrRewind = sqlite3VdbeAddOp1(v, OP_Rewind, iIdxCur); - VdbeCoverage(v); sqlite3VdbeAddOp2(v, OP_Integer, 0, regChng); addrNextRow = sqlite3VdbeCurrentAddr(v); @@ -105985,7 +108731,7 @@ static void analyzeOneTable( addrNextRow = sqlite3VdbeCurrentAddr(v); if( nColTest==1 && pIdx->nKeyCol==1 && IsUniqueIndex(pIdx) ){ /* For a single-column UNIQUE index, once we have found a non-NULL - ** row, we know that all the rest will be distinct, so skip + ** row, we know that all the rest will be distinct, so skip ** subsequent distinctness tests. */ sqlite3VdbeAddOp2(v, OP_NotNull, regPrev, endDistinctTest); VdbeCoverage(v); @@ -105994,15 +108740,16 @@ static void analyzeOneTable( char *pColl = (char*)sqlite3LocateCollSeq(pParse, pIdx->azColl[i]); sqlite3VdbeAddOp2(v, OP_Integer, i, regChng); sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, i, regTemp); - aGotoChng[i] = + analyzeVdbeCommentIndexWithColumnName(v,pIdx,i); + aGotoChng[i] = sqlite3VdbeAddOp4(v, OP_Ne, regTemp, 0, regPrev+i, pColl, P4_COLLSEQ); sqlite3VdbeChangeP5(v, SQLITE_NULLEQ); VdbeCoverage(v); } sqlite3VdbeAddOp2(v, OP_Integer, nColTest, regChng); sqlite3VdbeGoto(v, endDistinctTest); - - + + /* ** chng_addr_0: ** regPrev(0) = idx(0) @@ -106014,11 +108761,12 @@ static void analyzeOneTable( for(i=0; i<nColTest; i++){ sqlite3VdbeJumpHere(v, aGotoChng[i]); sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, i, regPrev+i); + analyzeVdbeCommentIndexWithColumnName(v,pIdx,i); } sqlite3VdbeResolveLabel(v, endDistinctTest); sqlite3DbFree(db, aGotoChng); } - + /* ** chng_addr_N: ** regRowid = idx(rowid) // STAT4 only @@ -106027,31 +108775,46 @@ static void analyzeOneTable( ** if !eof(csr) goto next_row; */ #ifdef SQLITE_ENABLE_STAT4 - assert( regRowid==(regStat4+2) ); - if( HasRowid(pTab) ){ - sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, regRowid); - }else{ - Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable); - int j, k, regKey; - regKey = sqlite3GetTempRange(pParse, pPk->nKeyCol); - for(j=0; j<pPk->nKeyCol; j++){ - k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[j]); - assert( k>=0 && k<pIdx->nColumn ); - sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, k, regKey+j); - VdbeComment((v, "%s", pTab->aCol[pPk->aiColumn[j]].zName)); + if( OptimizationEnabled(db, SQLITE_Stat4) ){ + assert( regRowid==(regStat+2) ); + if( HasRowid(pTab) ){ + sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, regRowid); + }else{ + Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable); + int j, k, regKey; + regKey = sqlite3GetTempRange(pParse, pPk->nKeyCol); + for(j=0; j<pPk->nKeyCol; j++){ + k = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[j]); + assert( k>=0 && k<pIdx->nColumn ); + sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, k, regKey+j); + analyzeVdbeCommentIndexWithColumnName(v,pIdx,k); + } + sqlite3VdbeAddOp3(v, OP_MakeRecord, regKey, pPk->nKeyCol, regRowid); + sqlite3ReleaseTempRange(pParse, regKey, pPk->nKeyCol); } - sqlite3VdbeAddOp3(v, OP_MakeRecord, regKey, pPk->nKeyCol, regRowid); - sqlite3ReleaseTempRange(pParse, regKey, pPk->nKeyCol); } #endif - assert( regChng==(regStat4+1) ); - sqlite3VdbeAddOp4(v, OP_Function0, 1, regStat4, regTemp, - (char*)&statPushFuncdef, P4_FUNCDEF); - sqlite3VdbeChangeP5(v, 2+IsStat4); - sqlite3VdbeAddOp2(v, OP_Next, iIdxCur, addrNextRow); VdbeCoverage(v); + assert( regChng==(regStat+1) ); + { + sqlite3VdbeAddFunctionCall(pParse, 1, regStat, regTemp, 2+IsStat4, + &statPushFuncdef, 0); + if( db->nAnalysisLimit ){ + int j1, j2, j3; + j1 = sqlite3VdbeAddOp1(v, OP_IsNull, regTemp); VdbeCoverage(v); + j2 = sqlite3VdbeAddOp1(v, OP_If, regTemp); VdbeCoverage(v); + j3 = sqlite3VdbeAddOp4Int(v, OP_SeekGT, iIdxCur, 0, regPrev, 1); + VdbeCoverage(v); + sqlite3VdbeJumpHere(v, j1); + sqlite3VdbeAddOp2(v, OP_Next, iIdxCur, addrNextRow); VdbeCoverage(v); + sqlite3VdbeJumpHere(v, j2); + sqlite3VdbeJumpHere(v, j3); + }else{ + sqlite3VdbeAddOp2(v, OP_Next, iIdxCur, addrNextRow); VdbeCoverage(v); + } + } /* Add the entry to the stat1 table. */ - callStatGet(v, regStat4, STAT_GET_STAT1, regStat1); + callStatGet(pParse, regStat, STAT_GET_STAT1, regStat1); assert( "BBB"[0]==SQLITE_AFF_TEXT ); sqlite3VdbeAddOp4(v, OP_MakeRecord, regTabname, 3, regTemp, "BBB", 0); sqlite3VdbeAddOp2(v, OP_NewRowid, iStatCur, regNewRowid); @@ -106063,7 +108826,7 @@ static void analyzeOneTable( /* Add the entries to the stat4 table. */ #ifdef SQLITE_ENABLE_STAT4 - { + if( OptimizationEnabled(db, SQLITE_Stat4) && db->nAnalysisLimit==0 ){ int regEq = regStat1; int regLt = regStat1+1; int regDLt = regStat1+2; @@ -106077,12 +108840,12 @@ static void analyzeOneTable( pParse->nMem = MAX(pParse->nMem, regCol+nCol); addrNext = sqlite3VdbeCurrentAddr(v); - callStatGet(v, regStat4, STAT_GET_ROWID, regSampleRowid); + callStatGet(pParse, regStat, STAT_GET_ROWID, regSampleRowid); addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regSampleRowid); VdbeCoverage(v); - callStatGet(v, regStat4, STAT_GET_NEQ, regEq); - callStatGet(v, regStat4, STAT_GET_NLT, regLt); - callStatGet(v, regStat4, STAT_GET_NDLT, regDLt); + callStatGet(pParse, regStat, STAT_GET_NEQ, regEq); + callStatGet(pParse, regStat, STAT_GET_NLT, regLt); + callStatGet(pParse, regStat, STAT_GET_NDLT, regDLt); sqlite3VdbeAddOp4Int(v, seekOp, iTabCur, addrNext, regSampleRowid, 0); VdbeCoverage(v); for(i=0; i<nCol; i++){ @@ -106322,7 +109085,7 @@ static void decodeIntArray( /* ** This callback is invoked once for each index when reading the -** sqlite_stat1 table. +** sqlite_stat1 table. ** ** argv[0] = name of the table ** argv[1] = name of the index (might be NULL) @@ -106360,7 +109123,7 @@ static int analysisLoader(void *pData, int argc, char **argv, char **NotUsed){ tRowcnt *aiRowEst = 0; int nCol = pIndex->nKeyCol+1; #ifdef SQLITE_ENABLE_STAT4 - /* Index.aiRowEst may already be set here if there are duplicate + /* Index.aiRowEst may already be set here if there are duplicate ** sqlite_stat1 entries for this index. In that case just clobber ** the old data with the new instead of allocating a new array. */ if( pIndex->aiRowEst==0 ){ @@ -106417,7 +109180,7 @@ SQLITE_PRIVATE void sqlite3DeleteIndexSamples(sqlite3 *db, Index *pIdx){ #ifdef SQLITE_ENABLE_STAT4 /* ** Populate the pIdx->aAvgEq[] array based on the samples currently -** stored in pIdx->aSample[]. +** stored in pIdx->aSample[]. */ static void initAvgEq(Index *pIdx){ if( pIdx ){ @@ -106453,12 +109216,12 @@ static void initAvgEq(Index *pIdx){ pIdx->nRowEst0 = nRow; /* Set nSum to the number of distinct (iCol+1) field prefixes that - ** occur in the stat4 table for this index. Set sumEq to the sum of - ** the nEq values for column iCol for the same set (adding the value + ** occur in the stat4 table for this index. Set sumEq to the sum of + ** the nEq values for column iCol for the same set (adding the value ** only once where there exist duplicate prefixes). */ for(i=0; i<nSample; i++){ if( i==(pIdx->nSample-1) - || aSample[i].anDLt[iCol]!=aSample[i+1].anDLt[iCol] + || aSample[i].anDLt[iCol]!=aSample[i+1].anDLt[iCol] ){ sumEq += aSample[i].anEq[iCol]; nSum100 += 100; @@ -106585,7 +109348,7 @@ static int loadStatTbl( if( zIndex==0 ) continue; pIdx = findIndexOrPrimaryKey(db, zIndex, zDb); if( pIdx==0 ) continue; - /* This next condition is true if data has already been loaded from + /* This next condition is true if data has already been loaded from ** the sqlite_stat4 table. */ nCol = pIdx->nSampleCol; if( pIdx!=pPrevIdx ){ @@ -106620,7 +109383,7 @@ static int loadStatTbl( } /* -** Load content from the sqlite_stat4 table into +** Load content from the sqlite_stat4 table into ** the Index.aSample[] arrays of all indices. */ static int loadStat4(sqlite3 *db, const char *zDb){ @@ -106629,7 +109392,7 @@ static int loadStat4(sqlite3 *db, const char *zDb){ assert( db->lookaside.bDisable ); if( sqlite3FindTable(db, "sqlite_stat4", zDb) ){ rc = loadStatTbl(db, - "SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx", + "SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx", "SELECT idx,neq,nlt,ndlt,sample FROM %Q.sqlite_stat4", zDb ); @@ -106645,11 +109408,11 @@ static int loadStat4(sqlite3 *db, const char *zDb){ ** Index.aSample[] arrays. ** ** If the sqlite_stat1 table is not present in the database, SQLITE_ERROR -** is returned. In this case, even if SQLITE_ENABLE_STAT4 was defined -** during compilation and the sqlite_stat4 table is present, no data is +** is returned. In this case, even if SQLITE_ENABLE_STAT4 was defined +** during compilation and the sqlite_stat4 table is present, no data is ** read from it. ** -** If SQLITE_ENABLE_STAT4 was defined during compilation and the +** If SQLITE_ENABLE_STAT4 was defined during compilation and the ** sqlite_stat4 table is not present in the database, SQLITE_ERROR is ** returned. However, in this case, data is read from the sqlite_stat1 ** table (if it is present) before returning. @@ -106687,7 +109450,7 @@ SQLITE_PRIVATE int sqlite3AnalysisLoad(sqlite3 *db, int iDb){ sInfo.db = db; sInfo.zDatabase = db->aDb[iDb].zDbSName; if( sqlite3FindTable(db, "sqlite_stat1", sInfo.zDatabase)!=0 ){ - zSql = sqlite3MPrintf(db, + zSql = sqlite3MPrintf(db, "SELECT tbl,idx,stat FROM %Q.sqlite_stat1", sInfo.zDatabase); if( zSql==0 ){ rc = SQLITE_NOMEM_BKPT; @@ -106707,9 +109470,9 @@ SQLITE_PRIVATE int sqlite3AnalysisLoad(sqlite3 *db, int iDb){ /* Load the statistics from the sqlite_stat4 table. */ #ifdef SQLITE_ENABLE_STAT4 if( rc==SQLITE_OK ){ - db->lookaside.bDisable++; + DisableLookaside; rc = loadStat4(db, sInfo.zDatabase); - db->lookaside.bDisable--; + EnableLookaside; } for(i=sqliteHashFirst(&pSchema->idxHash); i; i=sqliteHashNext(i)){ Index *pIdx = sqliteHashData(i); @@ -106777,6 +109540,17 @@ static int resolveAttachExpr(NameContext *pName, Expr *pExpr) } /* +** Return true if zName points to a name that may be used to refer to +** database iDb attached to handle db. +*/ +SQLITE_PRIVATE int sqlite3DbIsNamed(sqlite3 *db, int iDb, const char *zName){ + return ( + sqlite3StrICmp(db->aDb[iDb].zDbSName, zName)==0 + || (iDb==0 && sqlite3StrICmp("main", zName)==0) + ); +} + +/* ** An SQL user-function registered to do the work of an ATTACH statement. The ** three arguments to the function come directly from an attach statement: ** @@ -106842,20 +109616,19 @@ static void attachFunc( ** * Specified database name already being used. */ if( db->nDb>=db->aLimit[SQLITE_LIMIT_ATTACHED]+2 ){ - zErrDyn = sqlite3MPrintf(db, "too many attached databases - max %d", + zErrDyn = sqlite3MPrintf(db, "too many attached databases - max %d", db->aLimit[SQLITE_LIMIT_ATTACHED] ); goto attach_error; } for(i=0; i<db->nDb; i++){ - char *z = db->aDb[i].zDbSName; - assert( z && zName ); - if( sqlite3StrICmp(z, zName)==0 ){ + assert( zName ); + if( sqlite3DbIsNamed(db, i, zName) ){ zErrDyn = sqlite3MPrintf(db, "database %s is already in use", zName); goto attach_error; } } - + /* Allocate the new entry in the db->aDb[] array and initialize the schema ** hash tables. */ @@ -106870,7 +109643,7 @@ static void attachFunc( db->aDb = aNew; pNew = &db->aDb[db->nDb]; memset(pNew, 0, sizeof(*pNew)); - + /* Open the database file. If the btree is successfully opened, use ** it to obtain the database schema. At this point the schema may ** or may not be initialized. @@ -106899,7 +109672,7 @@ static void attachFunc( if( !pNew->pSchema ){ rc = SQLITE_NOMEM_BKPT; }else if( pNew->pSchema->file_format && pNew->pSchema->enc!=ENC(db) ){ - zErrDyn = sqlite3MPrintf(db, + zErrDyn = sqlite3MPrintf(db, "attached databases must use the same text encoding as main database"); rc = SQLITE_ERROR; } @@ -106918,46 +109691,10 @@ static void attachFunc( if( rc==SQLITE_OK && pNew->zDbSName==0 ){ rc = SQLITE_NOMEM_BKPT; } - - -#ifdef SQLITE_HAS_CODEC - if( rc==SQLITE_OK ){ - extern int sqlite3CodecAttach(sqlite3*, int, const void*, int); - extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*); - int nKey; - char *zKey; - int t = sqlite3_value_type(argv[2]); - switch( t ){ - case SQLITE_INTEGER: - case SQLITE_FLOAT: - zErrDyn = sqlite3DbStrDup(db, "Invalid key value"); - rc = SQLITE_ERROR; - break; - - case SQLITE_TEXT: - case SQLITE_BLOB: - nKey = sqlite3_value_bytes(argv[2]); - zKey = (char *)sqlite3_value_blob(argv[2]); - rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey); - break; - - case SQLITE_NULL: - /* No key specified. Use the key from URI filename, or if none, - ** use the key from the main database. */ - if( sqlite3CodecQueryParameters(db, zName, zPath)==0 ){ - sqlite3CodecGetKey(db, 0, (void**)&zKey, &nKey); - if( nKey || sqlite3BtreeGetOptimalReserve(db->aDb[0].pBt)>0 ){ - rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey); - } - } - break; - } - } -#endif - sqlite3_free( zPath ); + sqlite3_free_filename( zPath ); /* If the file was opened successfully, read the schema for the new database. - ** If this fails, or if opening the file failed, then close the file and + ** If this fails, or if opening the file failed, then close the file and ** remove the entry from the db->aDb[] array. i.e. put everything back the ** way we found it. */ @@ -107001,7 +109738,7 @@ static void attachFunc( } goto attach_error; } - + return; attach_error: @@ -107039,7 +109776,7 @@ static void detachFunc( for(i=0; i<db->nDb; i++){ pDb = &db->aDb[i]; if( pDb->pBt==0 ) continue; - if( sqlite3StrICmp(pDb->zDbSName, zName)==0 ) break; + if( sqlite3DbIsNamed(db, i, zName) ) break; } if( i>=db->nDb ){ @@ -107100,7 +109837,7 @@ static void codeAttach( memset(&sName, 0, sizeof(NameContext)); sName.pParse = pParse; - if( + if( SQLITE_OK!=(rc = resolveAttachExpr(&sName, pFilename)) || SQLITE_OK!=(rc = resolveAttachExpr(&sName, pDbname)) || SQLITE_OK!=(rc = resolveAttachExpr(&sName, pKey)) @@ -107132,18 +109869,15 @@ static void codeAttach( assert( v || db->mallocFailed ); if( v ){ - sqlite3VdbeAddOp4(v, OP_Function0, 0, regArgs+3-pFunc->nArg, regArgs+3, - (char *)pFunc, P4_FUNCDEF); - assert( pFunc->nArg==-1 || (pFunc->nArg&0xff)==pFunc->nArg ); - sqlite3VdbeChangeP5(v, (u8)(pFunc->nArg)); - + sqlite3VdbeAddFunctionCall(pParse, 0, regArgs+3-pFunc->nArg, regArgs+3, + pFunc->nArg, pFunc, 0); /* Code an OP_Expire. For an ATTACH statement, set P1 to true (expire this ** statement only). For DETACH, set it to false (expire all existing ** statements). */ sqlite3VdbeAddOp1(v, OP_Expire, (type==SQLITE_ATTACH)); } - + attach_end: sqlite3ExprDelete(db, pFilename); sqlite3ExprDelete(db, pDbname); @@ -107211,7 +109945,7 @@ SQLITE_PRIVATE void sqlite3FixInit( pFix->pSchema = db->aDb[iDb].pSchema; pFix->zType = zType; pFix->pName = pName; - pFix->bVarOnly = (iDb==1); + pFix->bTemp = (iDb==1); } /* @@ -107233,22 +109967,24 @@ SQLITE_PRIVATE int sqlite3FixSrcList( SrcList *pList /* The Source list to check and modify */ ){ int i; - const char *zDb; struct SrcList_item *pItem; + sqlite3 *db = pFix->pParse->db; + int iDb = sqlite3FindDbName(db, pFix->zDb); if( NEVER(pList==0) ) return 0; - zDb = pFix->zDb; + for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){ - if( pFix->bVarOnly==0 ){ - if( pItem->zDatabase && sqlite3StrICmp(pItem->zDatabase, zDb) ){ + if( pFix->bTemp==0 ){ + if( pItem->zDatabase && iDb!=sqlite3FindDbName(db, pItem->zDatabase) ){ sqlite3ErrorMsg(pFix->pParse, "%s %T cannot reference objects in database %s", pFix->zType, pFix->pName, pItem->zDatabase); return 1; } - sqlite3DbFree(pFix->pParse->db, pItem->zDatabase); + sqlite3DbFree(db, pItem->zDatabase); pItem->zDatabase = 0; pItem->pSchema = pFix->pSchema; + pItem->fg.fromDDL = 1; } #if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER) if( sqlite3FixSelect(pFix, pItem->pSelect) ) return 1; @@ -107304,7 +110040,7 @@ SQLITE_PRIVATE int sqlite3FixExpr( Expr *pExpr /* The expression to be fixed to one database */ ){ while( pExpr ){ - ExprSetProperty(pExpr, EP_Indirect); + if( !pFix->bTemp ) ExprSetProperty(pExpr, EP_FromDDL); if( pExpr->op==TK_VARIABLE ){ if( pFix->pParse->db->init.busy ){ pExpr->op = TK_NULL; @@ -107357,6 +110093,9 @@ SQLITE_PRIVATE int sqlite3FixTriggerStep( if( sqlite3FixExprList(pFix, pStep->pExprList) ){ return 1; } + if( pStep->pFrom && sqlite3FixSrcList(pFix, pStep->pFrom) ){ + return 1; + } #ifndef SQLITE_OMIT_UPSERT if( pStep->pUpsert ){ Upsert *pUp = pStep->pUpsert; @@ -107509,10 +110248,10 @@ SQLITE_PRIVATE int sqlite3AuthReadCol( /* ** The pExpr should be a TK_COLUMN expression. The table referred to -** is in pTabList or else it is the NEW or OLD table of a trigger. +** is in pTabList or else it is the NEW or OLD table of a trigger. ** Check to see if it is OK to read this particular column. ** -** If the auth function returns SQLITE_IGNORE, change the TK_COLUMN +** If the auth function returns SQLITE_IGNORE, change the TK_COLUMN ** instruction into a TK_NULL. If the auth function returns SQLITE_DENY, ** then generate an error. */ @@ -107629,7 +110368,7 @@ SQLITE_PRIVATE int sqlite3AuthCheck( */ SQLITE_PRIVATE void sqlite3AuthContextPush( Parse *pParse, - AuthContext *pContext, + AuthContext *pContext, const char *zContext ){ assert( pParse ); @@ -107686,13 +110425,13 @@ SQLITE_PRIVATE void sqlite3AuthContextPop(AuthContext *pContext){ */ struct TableLock { int iDb; /* The database containing the table to be locked */ - int iTab; /* The root page of the table to be locked */ + Pgno iTab; /* The root page of the table to be locked */ u8 isWriteLock; /* True for write lock. False for a read lock */ const char *zLockName; /* Name of the table */ }; /* -** Record the fact that we want to lock a table at run-time. +** Record the fact that we want to lock a table at run-time. ** ** The table to be locked has root page iTab and is found in database iDb. ** A read or a write lock can be taken depending on isWritelock. @@ -107704,7 +110443,7 @@ struct TableLock { SQLITE_PRIVATE void sqlite3TableLock( Parse *pParse, /* Parsing context */ int iDb, /* Index of the database containing the table to lock */ - int iTab, /* Root page number of the table to be locked */ + Pgno iTab, /* Root page number of the table to be locked */ u8 isWriteLock, /* True for a write lock */ const char *zName /* Name of the table to be locked */ ){ @@ -107745,7 +110484,7 @@ SQLITE_PRIVATE void sqlite3TableLock( */ static void codeTableLocks(Parse *pParse){ int i; - Vdbe *pVdbe; + Vdbe *pVdbe; pVdbe = sqlite3GetVdbe(pParse); assert( pVdbe!=0 ); /* sqlite3GetVdbe cannot fail: VDBE already allocated */ @@ -107800,7 +110539,7 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ ** vdbe program */ v = sqlite3GetVdbe(pParse); - assert( !pParse->isMultiWrite + assert( !pParse->isMultiWrite || sqlite3VdbeAssertMayAbort(v, pParse->mayAbort)); if( v ){ sqlite3VdbeAddOp0(v, OP_Halt); @@ -107822,7 +110561,7 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ ** transaction on each used database and to verify the schema cookie ** on each used database. */ - if( db->mallocFailed==0 + if( db->mallocFailed==0 && (DbMaskNonZero(pParse->cookieMask) || pParse->pConstExpr) ){ int iDb, i; @@ -107852,8 +110591,8 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ pParse->nVtabLock = 0; #endif - /* Once all the cookies have been verified and transactions opened, - ** obtain the required table-locks. This is a no-op unless the + /* Once all the cookies have been verified and transactions opened, + ** obtain the required table-locks. This is a no-op unless the ** shared-cache feature is enabled. */ codeTableLocks(pParse); @@ -107862,12 +110601,21 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ */ sqlite3AutoincrementBegin(pParse); - /* Code constant expressions that where factored out of inner loops */ + /* Code constant expressions that where factored out of inner loops. + ** + ** The pConstExpr list might also contain expressions that we simply + ** want to keep around until the Parse object is deleted. Such + ** expressions have iConstExprReg==0. Do not generate code for + ** those expressions, of course. + */ if( pParse->pConstExpr ){ ExprList *pEL = pParse->pConstExpr; pParse->okConstFactor = 0; for(i=0; i<pEL->nExpr; i++){ - sqlite3ExprCode(pParse, pEL->a[i].pExpr, pEL->a[i].u.iConstExprReg); + int iReg = pEL->a[i].u.iConstExprReg; + if( iReg>0 ){ + sqlite3ExprCode(pParse, pEL->a[i].pExpr, iReg); + } } } @@ -107899,7 +110647,7 @@ SQLITE_PRIVATE void sqlite3FinishCoding(Parse *pParse){ ** outermost parser. ** ** Not everything is nestable. This facility is designed to permit -** INSERT, UPDATE, and DELETE operations against SQLITE_MASTER. Use +** INSERT, UPDATE, and DELETE operations against the schema table. Use ** care if you decide to try to use this routine for some other purposes. */ SQLITE_PRIVATE void sqlite3NestedParse(Parse *pParse, const char *zFormat, ...){ @@ -107967,22 +110715,59 @@ SQLITE_PRIVATE Table *sqlite3FindTable(sqlite3 *db, const char *zName, const cha return 0; } #endif - while(1){ - for(i=OMIT_TEMPDB; i<db->nDb; i++){ - int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ - if( zDatabase==0 || sqlite3StrICmp(zDatabase, db->aDb[j].zDbSName)==0 ){ - assert( sqlite3SchemaMutexHeld(db, j, 0) ); - p = sqlite3HashFind(&db->aDb[j].pSchema->tblHash, zName); - if( p ) return p; + if( zDatabase ){ + for(i=0; i<db->nDb; i++){ + if( sqlite3StrICmp(zDatabase, db->aDb[i].zDbSName)==0 ) break; + } + if( i>=db->nDb ){ + /* No match against the official names. But always match "main" + ** to schema 0 as a legacy fallback. */ + if( sqlite3StrICmp(zDatabase,"main")==0 ){ + i = 0; + }else{ + return 0; + } + } + p = sqlite3HashFind(&db->aDb[i].pSchema->tblHash, zName); + if( p==0 && sqlite3StrNICmp(zName, "sqlite_", 7)==0 ){ + if( i==1 ){ + if( sqlite3StrICmp(zName+7, &ALT_TEMP_SCHEMA_TABLE[7])==0 + || sqlite3StrICmp(zName+7, &ALT_SCHEMA_TABLE[7])==0 + || sqlite3StrICmp(zName+7, &DFLT_SCHEMA_TABLE[7])==0 + ){ + p = sqlite3HashFind(&db->aDb[1].pSchema->tblHash, + DFLT_TEMP_SCHEMA_TABLE); + } + }else{ + if( sqlite3StrICmp(zName+7, &ALT_SCHEMA_TABLE[7])==0 ){ + p = sqlite3HashFind(&db->aDb[i].pSchema->tblHash, + DFLT_SCHEMA_TABLE); + } + } + } + }else{ + /* Match against TEMP first */ + p = sqlite3HashFind(&db->aDb[1].pSchema->tblHash, zName); + if( p ) return p; + /* The main database is second */ + p = sqlite3HashFind(&db->aDb[0].pSchema->tblHash, zName); + if( p ) return p; + /* Attached databases are in order of attachment */ + for(i=2; i<db->nDb; i++){ + assert( sqlite3SchemaMutexHeld(db, i, 0) ); + p = sqlite3HashFind(&db->aDb[i].pSchema->tblHash, zName); + if( p ) break; + } + if( p==0 && sqlite3StrNICmp(zName, "sqlite_", 7)==0 ){ + if( sqlite3StrICmp(zName+7, &ALT_SCHEMA_TABLE[7])==0 ){ + p = sqlite3HashFind(&db->aDb[0].pSchema->tblHash, DFLT_SCHEMA_TABLE); + }else if( sqlite3StrICmp(zName+7, &ALT_TEMP_SCHEMA_TABLE[7])==0 ){ + p = sqlite3HashFind(&db->aDb[1].pSchema->tblHash, + DFLT_TEMP_SCHEMA_TABLE); } } - /* Not found. If the name we were looking for was temp.sqlite_master - ** then change the name to sqlite_temp_master and try again. */ - if( sqlite3StrICmp(zName, MASTER_NAME)!=0 ) break; - if( sqlite3_stricmp(zDatabase, db->aDb[1].zDbSName)!=0 ) break; - zName = TEMP_MASTER_NAME; } - return 0; + return p; } /* @@ -108006,7 +110791,7 @@ SQLITE_PRIVATE Table *sqlite3LocateTable( /* Read the database schema. If an error occurs, leave an error message ** and code in pParse and return NULL. */ - if( (db->mDbFlags & DBFLAG_SchemaKnownOk)==0 + if( (db->mDbFlags & DBFLAG_SchemaKnownOk)==0 && SQLITE_OK!=sqlite3ReadSchema(pParse) ){ return 0; @@ -108056,7 +110841,7 @@ SQLITE_PRIVATE Table *sqlite3LocateTable( ** sqlite3FixSrcList() for details. */ SQLITE_PRIVATE Table *sqlite3LocateTableItem( - Parse *pParse, + Parse *pParse, u32 flags, struct SrcList_item *p ){ @@ -108072,7 +110857,7 @@ SQLITE_PRIVATE Table *sqlite3LocateTableItem( } /* -** Locate the in-memory structure that describes +** Locate the in-memory structure that describes ** a particular index given the name of that index ** and the name of the database that contains the index. ** Return NULL if not found. @@ -108092,7 +110877,7 @@ SQLITE_PRIVATE Index *sqlite3FindIndex(sqlite3 *db, const char *zName, const cha int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ Schema *pSchema = db->aDb[j].pSchema; assert( pSchema ); - if( zDb && sqlite3StrICmp(zDb, db->aDb[j].zDbSName) ) continue; + if( zDb && sqlite3DbIsNamed(db, j, zDb)==0 ) continue; assert( sqlite3SchemaMutexHeld(db, j, 0) ); p = sqlite3HashFind(&pSchema->idxHash, zName); if( p ) break; @@ -108245,6 +111030,7 @@ SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3 *db, Table *pTable){ assert( pTable!=0 ); if( (pCol = pTable->aCol)!=0 ){ for(i=0; i<pTable->nCol; i++, pCol++){ + assert( pCol->zName==0 || pCol->hName==sqlite3StrIHash(pCol->zName) ); sqlite3DbFree(db, pCol->zName); sqlite3ExprDelete(db, pCol->pDflt); sqlite3DbFree(db, pCol->zColl); @@ -108259,10 +111045,10 @@ SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3 *db, Table *pTable){ ** ** This routine just deletes the data structure. It does not unlink ** the table data structure from the hash table. But it does destroy -** memory structures of the indices and foreign keys associated with +** memory structures of the indices and foreign keys associated with ** the table. ** -** The db parameter is optional. It is needed if the Table object +** The db parameter is optional. It is needed if the Table object ** contains lookaside memory. (Table objects in the schema do not use ** lookaside memory, but some ephemeral Table objects do.) Or the ** db parameter can be used with db->pnBytesFreed to measure the memory @@ -108274,7 +111060,7 @@ static void SQLITE_NOINLINE deleteTable(sqlite3 *db, Table *pTable){ #ifdef SQLITE_DEBUG /* Record the number of outstanding lookaside allocations in schema Tables ** prior to doing any free() operations. Since schema Tables do not use - ** lookaside, this number should not change. + ** lookaside, this number should not change. ** ** If malloc has already failed, it may be that it failed while allocating ** a Table object that was going to be marked ephemeral. So do not check @@ -108291,7 +111077,7 @@ static void SQLITE_NOINLINE deleteTable(sqlite3 *db, Table *pTable){ assert( pIndex->pSchema==pTable->pSchema || (IsVirtual(pTable) && pIndex->idxType!=SQLITE_IDXTYPE_APPDEF) ); if( (db==0 || db->pnBytesFreed==0) && !IsVirtual(pTable) ){ - char *zName = pIndex->zName; + char *zName = pIndex->zName; TESTONLY ( Index *pOld = ) sqlite3HashInsert( &pIndex->pSchema->idxHash, zName, 0 ); @@ -108371,13 +111157,13 @@ SQLITE_PRIVATE char *sqlite3NameFromToken(sqlite3 *db, Token *pName){ } /* -** Open the sqlite_master table stored in database number iDb for +** Open the sqlite_schema table stored in database number iDb for ** writing. The table is opened using cursor 0. */ -SQLITE_PRIVATE void sqlite3OpenMasterTable(Parse *p, int iDb){ +SQLITE_PRIVATE void sqlite3OpenSchemaTable(Parse *p, int iDb){ Vdbe *v = sqlite3GetVdbe(p); - sqlite3TableLock(p, iDb, MASTER_ROOT, 1, MASTER_NAME); - sqlite3VdbeAddOp4Int(v, OP_OpenWrite, 0, MASTER_ROOT, iDb, 5); + sqlite3TableLock(p, iDb, SCHEMA_ROOT, 1, DFLT_SCHEMA_TABLE); + sqlite3VdbeAddOp4Int(v, OP_OpenWrite, 0, SCHEMA_ROOT, iDb, 5); if( p->nTab==0 ){ p->nTab = 1; } @@ -108406,7 +111192,7 @@ SQLITE_PRIVATE int sqlite3FindDbName(sqlite3 *db, const char *zName){ /* ** The token *pName contains the name of a database (either "main" or ** "temp" or the name of an attached db). This routine returns the -** index of the named database in db->aDb[], or -1 if the named db +** index of the named database in db->aDb[], or -1 if the named db ** does not exist. */ SQLITE_PRIVATE int sqlite3FindDb(sqlite3 *db, Token *pName){ @@ -108422,7 +111208,7 @@ SQLITE_PRIVATE int sqlite3FindDb(sqlite3 *db, Token *pName){ ** pName1 and pName2. If the table name was fully qualified, for example: ** ** CREATE TABLE xxx.yyy (...); -** +** ** Then pName1 is set to "xxx" and pName2 "yyy". On the other hand if ** the table name is not fully qualified, i.e.: ** @@ -108485,7 +111271,7 @@ SQLITE_PRIVATE int sqlite3WritableSchema(sqlite3 *db){ ** "sqlite_" (in upper, lower or mixed case). This portion of the namespace ** is reserved for internal use. ** -** When parsing the sqlite_master table, this routine also checks to +** When parsing the sqlite_schema table, this routine also checks to ** make sure the "type", "name", and "tbl_name" columns are consistent ** with the SQL. */ @@ -108496,7 +111282,10 @@ SQLITE_PRIVATE int sqlite3CheckObjectName( const char *zTblName /* Parent table name for triggers and indexes */ ){ sqlite3 *db = pParse->db; - if( sqlite3WritableSchema(db) || db->init.imposterTable ){ + if( sqlite3WritableSchema(db) + || db->init.imposterTable + || !sqlite3Config.bExtraSchemaChecks + ){ /* Skip these error checks for writable_schema=ON */ return SQLITE_OK; } @@ -108505,19 +111294,18 @@ SQLITE_PRIVATE int sqlite3CheckObjectName( || sqlite3_stricmp(zName, db->init.azInit[1]) || sqlite3_stricmp(zTblName, db->init.azInit[2]) ){ - if( sqlite3Config.bExtraSchemaChecks ){ - sqlite3ErrorMsg(pParse, ""); /* corruptSchema() will supply the error */ - return SQLITE_ERROR; - } + sqlite3ErrorMsg(pParse, ""); /* corruptSchema() will supply the error */ + return SQLITE_ERROR; } }else{ - if( pParse->nested==0 - && 0==sqlite3StrNICmp(zName, "sqlite_", 7) + if( (pParse->nested==0 && 0==sqlite3StrNICmp(zName, "sqlite_", 7)) + || (sqlite3ReadOnlyShadowTables(db) && sqlite3ShadowTableName(db, zName)) ){ sqlite3ErrorMsg(pParse, "object name reserved for internal use: %s", zName); return SQLITE_ERROR; } + } return SQLITE_OK; } @@ -108532,10 +111320,12 @@ SQLITE_PRIVATE Index *sqlite3PrimaryKeyIndex(Table *pTab){ } /* -** Return the column of index pIdx that corresponds to table -** column iCol. Return -1 if not found. +** Convert an table column number into a index column number. That is, +** for the column iCol in the table (as defined by the CREATE TABLE statement) +** find the (first) offset of that column in index pIdx. Or return -1 +** if column iCol is not used in index pIdx. */ -SQLITE_PRIVATE i16 sqlite3ColumnOfIndex(Index *pIdx, i16 iCol){ +SQLITE_PRIVATE i16 sqlite3TableColumnToIndex(Index *pIdx, i16 iCol){ int i; for(i=0; i<pIdx->nColumn; i++){ if( iCol==pIdx->aiColumn[i] ) return i; @@ -108543,6 +111333,84 @@ SQLITE_PRIVATE i16 sqlite3ColumnOfIndex(Index *pIdx, i16 iCol){ return -1; } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS +/* Convert a storage column number into a table column number. +** +** The storage column number (0,1,2,....) is the index of the value +** as it appears in the record on disk. The true column number +** is the index (0,1,2,...) of the column in the CREATE TABLE statement. +** +** The storage column number is less than the table column number if +** and only there are VIRTUAL columns to the left. +** +** If SQLITE_OMIT_GENERATED_COLUMNS, this routine is a no-op macro. +*/ +SQLITE_PRIVATE i16 sqlite3StorageColumnToTable(Table *pTab, i16 iCol){ + if( pTab->tabFlags & TF_HasVirtual ){ + int i; + for(i=0; i<=iCol; i++){ + if( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ) iCol++; + } + } + return iCol; +} +#endif + +#ifndef SQLITE_OMIT_GENERATED_COLUMNS +/* Convert a table column number into a storage column number. +** +** The storage column number (0,1,2,....) is the index of the value +** as it appears in the record on disk. Or, if the input column is +** the N-th virtual column (zero-based) then the storage number is +** the number of non-virtual columns in the table plus N. +** +** The true column number is the index (0,1,2,...) of the column in +** the CREATE TABLE statement. +** +** If the input column is a VIRTUAL column, then it should not appear +** in storage. But the value sometimes is cached in registers that +** follow the range of registers used to construct storage. This +** avoids computing the same VIRTUAL column multiple times, and provides +** values for use by OP_Param opcodes in triggers. Hence, if the +** input column is a VIRTUAL table, put it after all the other columns. +** +** In the following, N means "normal column", S means STORED, and +** V means VIRTUAL. Suppose the CREATE TABLE has columns like this: +** +** CREATE TABLE ex(N,S,V,N,S,V,N,S,V); +** -- 0 1 2 3 4 5 6 7 8 +** +** Then the mapping from this function is as follows: +** +** INPUTS: 0 1 2 3 4 5 6 7 8 +** OUTPUTS: 0 1 6 2 3 7 4 5 8 +** +** So, in other words, this routine shifts all the virtual columns to +** the end. +** +** If SQLITE_OMIT_GENERATED_COLUMNS then there are no virtual columns and +** this routine is a no-op macro. If the pTab does not have any virtual +** columns, then this routine is no-op that always return iCol. If iCol +** is negative (indicating the ROWID column) then this routine return iCol. +*/ +SQLITE_PRIVATE i16 sqlite3TableColumnToStorage(Table *pTab, i16 iCol){ + int i; + i16 n; + assert( iCol<pTab->nCol ); + if( (pTab->tabFlags & TF_HasVirtual)==0 || iCol<0 ) return iCol; + for(i=0, n=0; i<iCol; i++){ + if( (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 ) n++; + } + if( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ){ + /* iCol is a virtual column itself */ + return pTab->nNVCol + i - n; + }else{ + /* iCol is a normal or stored column */ + return n; + } +} +#endif + /* ** Begin constructing a new table representation in memory. This is ** the first of several action routines that get called in response @@ -108576,7 +111444,7 @@ SQLITE_PRIVATE void sqlite3StartTable( Token *pName; /* Unqualified name of the table to create */ if( db->init.busy && db->init.newTnum==1 ){ - /* Special case: Parsing the sqlite_master or sqlite_temp_master schema */ + /* Special case: Parsing the sqlite_schema or sqlite_temp_schema schema */ iDb = db->init.iDb; zName = sqlite3DbStrDup(db, SCHEMA_TABLE(iDb)); pName = pName1; @@ -108585,7 +111453,7 @@ SQLITE_PRIVATE void sqlite3StartTable( iDb = sqlite3TwoPartName(pParse, pName1, pName2, &pName); if( iDb<0 ) return; if( !OMIT_TEMPDB && isTemp && pName2->n>0 && iDb!=1 ){ - /* If creating a temp table, the name may not be qualified. Unless + /* If creating a temp table, the name may not be qualified. Unless ** the database name is "temp" anyway. */ sqlite3ErrorMsg(pParse, "temporary table name must be unqualified"); return; @@ -108682,10 +111550,10 @@ SQLITE_PRIVATE void sqlite3StartTable( #endif /* Begin generating the code that will insert the table record into - ** the SQLITE_MASTER table. Note in particular that we must go ahead + ** the schema table. Note in particular that we must go ahead ** and allocate the record number for the table entry now. Before any ** PRIMARY KEY or UNIQUE keywords are parsed. Those keywords will cause - ** indices to be created and the table record must come before the + ** indices to be created and the table record must come before the ** indices. Hence, the record number for the table must be allocated ** now. */ @@ -108703,7 +111571,7 @@ SQLITE_PRIVATE void sqlite3StartTable( } #endif - /* If the file format and encoding in the database have not been set, + /* If the file format and encoding in the database have not been set, ** set them now. */ reg1 = pParse->regRowid = ++pParse->nMem; @@ -108718,7 +111586,7 @@ SQLITE_PRIVATE void sqlite3StartTable( sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_TEXT_ENCODING, ENC(db)); sqlite3VdbeJumpHere(v, addr1); - /* This just creates a place-holder record in the sqlite_master table. + /* This just creates a place-holder record in the sqlite_schema table. ** The record created does not contain anything yet. It will be replaced ** by the real entry in code generated at sqlite3EndTable(). ** @@ -108736,7 +111604,7 @@ SQLITE_PRIVATE void sqlite3StartTable( pParse->addrCrTab = sqlite3VdbeAddOp3(v, OP_CreateBtree, iDb, reg2, BTREE_INTKEY); } - sqlite3OpenMasterTable(pParse, iDb); + sqlite3OpenSchemaTable(pParse, iDb); sqlite3VdbeAddOp2(v, OP_NewRowid, 0, reg1); sqlite3VdbeAddOp4(v, OP_Blob, 6, reg3, 0, nullRow, P4_STATIC); sqlite3VdbeAddOp3(v, OP_Insert, 0, reg3, reg1); @@ -108812,8 +111680,9 @@ SQLITE_PRIVATE void sqlite3AddColumn(Parse *pParse, Token *pName, Token *pType){ pCol = &p->aCol[p->nCol]; memset(pCol, 0, sizeof(p->aCol[0])); pCol->zName = z; + pCol->hName = sqlite3StrIHash(z); sqlite3ColumnPropertiesFromName(p, pCol); - + if( pType->n==0 ){ /* If there is no type specified, columns have the default affinity ** 'BLOB' with a default size of 4 bytes. */ @@ -108833,6 +111702,7 @@ SQLITE_PRIVATE void sqlite3AddColumn(Parse *pParse, Token *pName, Token *pType){ pCol->colFlags |= COLFLAG_HASTYPE; } p->nCol++; + p->nNVCol++; pParse->constraintName.n = 0; } @@ -108868,11 +111738,11 @@ SQLITE_PRIVATE void sqlite3AddNotNull(Parse *pParse, int onError){ ** Scan the column type name zType (length nType) and return the ** associated affinity type. ** -** This routine does a case-independent search of zType for the +** This routine does a case-independent search of zType for the ** substrings in the following table. If one of the substrings is ** found, the corresponding affinity is returned. If zType contains -** more than one of the substrings, entries toward the top of -** the table take priority. For example, if zType is 'BLOBINT', +** more than one of the substrings, entries toward the top of +** the table take priority. For example, if zType is 'BLOBINT', ** SQLITE_AFF_INTEGER is returned. ** ** Substring | Affinity @@ -108977,10 +111847,17 @@ SQLITE_PRIVATE void sqlite3AddDefaultValue( sqlite3 *db = pParse->db; p = pParse->pNewTable; if( p!=0 ){ + int isInit = db->init.busy && db->init.iDb!=1; pCol = &(p->aCol[p->nCol-1]); - if( !sqlite3ExprIsConstantOrFunction(pExpr, db->init.busy) ){ + if( !sqlite3ExprIsConstantOrFunction(pExpr, isInit) ){ sqlite3ErrorMsg(pParse, "default value of column [%s] is not constant", pCol->zName); +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + }else if( pCol->colFlags & COLFLAG_GENERATED ){ + testcase( pCol->colFlags & COLFLAG_VIRTUAL ); + testcase( pCol->colFlags & COLFLAG_STORED ); + sqlite3ErrorMsg(pParse, "cannot use DEFAULT on a generated column"); +#endif }else{ /* A copy of pExpr is used instead of the original, as pExpr contains ** tokens that point to volatile memory. @@ -109004,7 +111881,7 @@ SQLITE_PRIVATE void sqlite3AddDefaultValue( /* ** Backwards Compatibility Hack: -** +** ** Historical versions of SQLite accepted strings as column names in ** indexes and PRIMARY KEY constraints and in UNIQUE constraints. Example: ** @@ -109027,7 +111904,22 @@ static void sqlite3StringToId(Expr *p){ } /* -** Designate the PRIMARY KEY for the table. pList is a list of names +** Tag the given column as being part of the PRIMARY KEY +*/ +static void makeColumnPartOfPrimaryKey(Parse *pParse, Column *pCol){ + pCol->colFlags |= COLFLAG_PRIMKEY; +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( pCol->colFlags & COLFLAG_GENERATED ){ + testcase( pCol->colFlags & COLFLAG_VIRTUAL ); + testcase( pCol->colFlags & COLFLAG_STORED ); + sqlite3ErrorMsg(pParse, + "generated columns cannot be part of the PRIMARY KEY"); + } +#endif +} + +/* +** Designate the PRIMARY KEY for the table. pList is a list of names ** of columns that form the primary key. If pList is NULL, then the ** most recently added column of the table is the primary key. ** @@ -109057,7 +111949,7 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( int nTerm; if( pTab==0 ) goto primary_key_exit; if( pTab->tabFlags & TF_HasPrimaryKey ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "table \"%s\" has more than one primary key", pTab->zName); goto primary_key_exit; } @@ -109065,7 +111957,7 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( if( pList==0 ){ iCol = pTab->nCol - 1; pCol = &pTab->aCol[iCol]; - pCol->colFlags |= COLFLAG_PRIMKEY; + makeColumnPartOfPrimaryKey(pParse, pCol); nTerm = 1; }else{ nTerm = pList->nExpr; @@ -109078,7 +111970,7 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( for(iCol=0; iCol<pTab->nCol; iCol++){ if( sqlite3StrICmp(zCName, pTab->aCol[iCol].zName)==0 ){ pCol = &pTab->aCol[iCol]; - pCol->colFlags |= COLFLAG_PRIMKEY; + makeColumnPartOfPrimaryKey(pParse, pCol); break; } } @@ -109099,6 +111991,7 @@ SQLITE_PRIVATE void sqlite3AddPrimaryKey( assert( autoInc==0 || autoInc==1 ); pTab->tabFlags |= autoInc*TF_Autoincrement; if( pList ) pParse->iPkSortOrder = pList->a[0].sortFlags; + (void)sqlite3HasExplicitNulls(pParse, pList); }else if( autoInc ){ #ifndef SQLITE_OMIT_AUTOINCREMENT sqlite3ErrorMsg(pParse, "AUTOINCREMENT is only allowed on an " @@ -109159,7 +112052,7 @@ SQLITE_PRIVATE void sqlite3AddCollateType(Parse *pParse, Token *pToken){ Index *pIdx; sqlite3DbFree(db, p->aCol[i].zColl); p->aCol[i].zColl = zColl; - + /* If the column is declared as "<name> PRIMARY KEY COLLATE <type>", ** then an index may have been created on this column before the ** collation type was added. Correct this if it is the case. @@ -109175,41 +112068,58 @@ SQLITE_PRIVATE void sqlite3AddCollateType(Parse *pParse, Token *pToken){ } } -/* -** This function returns the collation sequence for database native text -** encoding identified by the string zName, length nName. -** -** If the requested collation sequence is not available, or not available -** in the database native encoding, the collation factory is invoked to -** request it. If the collation factory does not supply such a sequence, -** and the sequence is available in another text encoding, then that is -** returned instead. -** -** If no versions of the requested collations sequence are available, or -** another error occurs, NULL is returned and an error message written into -** pParse. -** -** This routine is a wrapper around sqlite3FindCollSeq(). This routine -** invokes the collation factory if the named collation cannot be found -** and generates an error message. -** -** See also: sqlite3FindCollSeq(), sqlite3GetCollSeq() +/* Change the most recently parsed column to be a GENERATED ALWAYS AS +** column. */ -SQLITE_PRIVATE CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char *zName){ - sqlite3 *db = pParse->db; - u8 enc = ENC(db); - u8 initbusy = db->init.busy; - CollSeq *pColl; - - pColl = sqlite3FindCollSeq(db, enc, zName, initbusy); - if( !initbusy && (!pColl || !pColl->xCmp) ){ - pColl = sqlite3GetCollSeq(pParse, enc, pColl, zName); +SQLITE_PRIVATE void sqlite3AddGenerated(Parse *pParse, Expr *pExpr, Token *pType){ +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + u8 eType = COLFLAG_VIRTUAL; + Table *pTab = pParse->pNewTable; + Column *pCol; + if( pTab==0 ){ + /* generated column in an CREATE TABLE IF NOT EXISTS that already exists */ + goto generated_done; } + pCol = &(pTab->aCol[pTab->nCol-1]); + if( IN_DECLARE_VTAB ){ + sqlite3ErrorMsg(pParse, "virtual tables cannot use computed columns"); + goto generated_done; + } + if( pCol->pDflt ) goto generated_error; + if( pType ){ + if( pType->n==7 && sqlite3StrNICmp("virtual",pType->z,7)==0 ){ + /* no-op */ + }else if( pType->n==6 && sqlite3StrNICmp("stored",pType->z,6)==0 ){ + eType = COLFLAG_STORED; + }else{ + goto generated_error; + } + } + if( eType==COLFLAG_VIRTUAL ) pTab->nNVCol--; + pCol->colFlags |= eType; + assert( TF_HasVirtual==COLFLAG_VIRTUAL ); + assert( TF_HasStored==COLFLAG_STORED ); + pTab->tabFlags |= eType; + if( pCol->colFlags & COLFLAG_PRIMKEY ){ + makeColumnPartOfPrimaryKey(pParse, pCol); /* For the error message */ + } + pCol->pDflt = pExpr; + pExpr = 0; + goto generated_done; - return pColl; +generated_error: + sqlite3ErrorMsg(pParse, "error in generated column \"%s\"", + pCol->zName); +generated_done: + sqlite3ExprDelete(pParse->db, pExpr); +#else + /* Throw and error for the GENERATED ALWAYS AS clause if the + ** SQLITE_OMIT_GENERATED_COLUMNS compile-time option is used. */ + sqlite3ErrorMsg(pParse, "generated columns not supported"); + sqlite3ExprDelete(pParse->db, pExpr); +#endif } - /* ** Generate code that will increment the schema cookie. ** @@ -109233,7 +112143,7 @@ SQLITE_PRIVATE void sqlite3ChangeCookie(Parse *pParse, int iDb){ sqlite3 *db = pParse->db; Vdbe *v = pParse->pVdbe; assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); - sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_SCHEMA_VERSION, + sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_SCHEMA_VERSION, (int)(1+(unsigned)db->aDb[iDb].pSchema->schema_cookie)); } @@ -109254,13 +112164,13 @@ static int identLength(const char *z){ } /* -** The first parameter is a pointer to an output buffer. The second +** The first parameter is a pointer to an output buffer. The second ** parameter is a pointer to an integer that contains the offset at ** which to write into the output buffer. This function copies the ** nul-terminated string pointed to by the third parameter, zSignedIdent, ** to the specified offset in the buffer and updates *pIdx to refer ** to the first byte after the last byte written before returning. -** +** ** If the string zSignedIdent consists entirely of alpha-numeric ** characters, does not begin with a digit and is not an SQL keyword, ** then it is copied to the output buffer exactly as it is. Otherwise, @@ -109304,7 +112214,7 @@ static char *createTableStmt(sqlite3 *db, Table *p){ n += identLength(pCol->zName) + 5; } n += identLength(p->zName); - if( n<50 ){ + if( n<50 ){ zSep = ""; zSep2 = ","; zEnd = ")"; @@ -109345,10 +112255,10 @@ static char *createTableStmt(sqlite3 *db, Table *p){ testcase( pCol->affinity==SQLITE_AFF_NUMERIC ); testcase( pCol->affinity==SQLITE_AFF_INTEGER ); testcase( pCol->affinity==SQLITE_AFF_REAL ); - + zType = azType[pCol->affinity - SQLITE_AFF_BLOB]; len = sqlite3Strlen30(zType); - assert( pCol->affinity==SQLITE_AFF_BLOB + assert( pCol->affinity==SQLITE_AFF_BLOB || pCol->affinity==sqlite3AffinityType(zType, 0) ); memcpy(&zStmt[k], zType, len); k += len; @@ -109451,7 +112361,7 @@ static int isDupColumn(Index *pIdx, int nKey, Index *pPk, int iCol){ assert( j!=XN_ROWID && j!=XN_EXPR ); for(i=0; i<nKey; i++){ assert( pIdx->aiColumn[i]>=0 || j>=0 ); - if( pIdx->aiColumn[i]==j + if( pIdx->aiColumn[i]==j && sqlite3StrICmp(pIdx->azColl[i], pPk->azColl[iCol])==0 ){ return 1; @@ -109467,15 +112377,24 @@ static int isDupColumn(Index *pIdx, int nKey, Index *pPk, int iCol){ ** high-order bit of colNotIdxed is always 1. All unindexed columns ** of the table have a 1. ** +** 2019-10-24: For the purpose of this computation, virtual columns are +** not considered to be covered by the index, even if they are in the +** index, because we do not trust the logic in whereIndexExprTrans() to be +** able to find all instances of a reference to the indexed table column +** and convert them into references to the index. Hence we always want +** the actual table at hand in order to recompute the virtual column, if +** necessary. +** ** The colNotIdxed mask is AND-ed with the SrcList.a[].colUsed mask ** to determine if the index is covering index. */ static void recomputeColumnsNotIndexed(Index *pIdx){ Bitmask m = 0; int j; + Table *pTab = pIdx->pTable; for(j=pIdx->nColumn-1; j>=0; j--){ int x = pIdx->aiColumn[j]; - if( x>=0 ){ + if( x>=0 && (pTab->aCol[x].colFlags & COLFLAG_VIRTUAL)==0 ){ testcase( x==BMS-1 ); testcase( x==BMS-2 ); if( x<BMS-1 ) m |= MASKBIT(x); @@ -109493,11 +112412,11 @@ static void recomputeColumnsNotIndexed(Index *pIdx){ ** Changes include: ** ** (1) Set all columns of the PRIMARY KEY schema object to be NOT NULL. -** (2) Convert P3 parameter of the OP_CreateBtree from BTREE_INTKEY +** (2) Convert P3 parameter of the OP_CreateBtree from BTREE_INTKEY ** into BTREE_BLOBKEY. -** (3) Bypass the creation of the sqlite_master table entry +** (3) Bypass the creation of the sqlite_schema table entry ** for the PRIMARY KEY as the primary key index is now -** identified by the sqlite_master table entry of the table itself. +** identified by the sqlite_schema table entry of the table itself. ** (4) Set the Index.tnum of the PRIMARY KEY Index object in the ** schema to the rootpage from the main table. ** (5) Add all table columns to the PRIMARY KEY Index object @@ -109526,6 +112445,7 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ pTab->aCol[i].notNull = OE_Abort; } } + pTab->tabFlags |= TF_HasNotNull; } /* Convert the P3 operand of the OP_CreateBtree opcode from BTREE_INTKEY @@ -109537,13 +112457,13 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ } /* Locate the PRIMARY KEY index. Or, if this table was originally - ** an INTEGER PRIMARY KEY table, create a new PRIMARY KEY index. + ** an INTEGER PRIMARY KEY table, create a new PRIMARY KEY index. */ if( pTab->iPKey>=0 ){ ExprList *pList; Token ipkToken; sqlite3TokenInit(&ipkToken, pTab->aCol[pTab->iPKey].zName); - pList = sqlite3ExprListAppend(pParse, 0, + pList = sqlite3ExprListAppend(pParse, 0, sqlite3ExprAlloc(db, TK_ID, &ipkToken, 0)); if( pList==0 ) return; if( IN_RENAME_OBJECT ){ @@ -109583,13 +112503,13 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ if( !db->init.imposterTable ) pPk->uniqNotNull = 1; nPk = pPk->nColumn = pPk->nKeyCol; - /* Bypass the creation of the PRIMARY KEY btree and the sqlite_master + /* Bypass the creation of the PRIMARY KEY btree and the sqlite_schema ** table entry. This is only required if currently generating VDBE ** code for a CREATE TABLE (not when parsing one as part of reading ** a database schema). */ if( v && pPk->tnum>0 ){ assert( db->init.busy==0 ); - sqlite3VdbeChangeOpcode(v, pPk->tnum, OP_Goto); + sqlite3VdbeChangeOpcode(v, (int)pPk->tnum, OP_Goto); } /* The root page of the PRIMARY KEY is the table root page */ @@ -109633,11 +112553,14 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ */ nExtra = 0; for(i=0; i<pTab->nCol; i++){ - if( !hasColumn(pPk->aiColumn, nPk, i) ) nExtra++; + if( !hasColumn(pPk->aiColumn, nPk, i) + && (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 ) nExtra++; } if( resizeIndexObject(db, pPk, nPk+nExtra) ) return; for(i=0, j=nPk; i<pTab->nCol; i++){ - if( !hasColumn(pPk->aiColumn, j, i) ){ + if( !hasColumn(pPk->aiColumn, j, i) + && (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 + ){ assert( j<pPk->nColumn ); pPk->aiColumn[j] = i; pPk->azColl[j] = sqlite3StrBINARY; @@ -109645,10 +112568,32 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ } } assert( pPk->nColumn==j ); - assert( pTab->nCol<=j ); + assert( pTab->nNVCol<=j ); recomputeColumnsNotIndexed(pPk); } + +#ifndef SQLITE_OMIT_VIRTUALTABLE +/* +** Return true if pTab is a virtual table and zName is a shadow table name +** for that virtual table. +*/ +SQLITE_PRIVATE int sqlite3IsShadowTableOf(sqlite3 *db, Table *pTab, const char *zName){ + int nName; /* Length of zName */ + Module *pMod; /* Module for the virtual table */ + + if( !IsVirtual(pTab) ) return 0; + nName = sqlite3Strlen30(pTab->zName); + if( sqlite3_strnicmp(zName, pTab->zName, nName)!=0 ) return 0; + if( zName[nName]!='_' ) return 0; + pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->azModuleArg[0]); + if( pMod==0 ) return 0; + if( pMod->pModule->iVersion<3 ) return 0; + if( pMod->pModule->xShadowName==0 ) return 0; + return pMod->pModule->xShadowName(zName+nName+1); +} +#endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */ + #ifndef SQLITE_OMIT_VIRTUALTABLE /* ** Return true if zName is a shadow table name in the current database @@ -109657,11 +112602,9 @@ static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){ ** zName is temporarily modified while this routine is running, but is ** restored to its original value prior to this routine returning. */ -static int isShadowTableName(sqlite3 *db, char *zName){ +SQLITE_PRIVATE int sqlite3ShadowTableName(sqlite3 *db, const char *zName){ char *zTail; /* Pointer to the last "_" in zName */ Table *pTab; /* Table that zName is a shadow of */ - Module *pMod; /* Module for the virtual table */ - zTail = strrchr(zName, '_'); if( zTail==0 ) return 0; *zTail = 0; @@ -109669,16 +112612,37 @@ static int isShadowTableName(sqlite3 *db, char *zName){ *zTail = '_'; if( pTab==0 ) return 0; if( !IsVirtual(pTab) ) return 0; - pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->azModuleArg[0]); - if( pMod==0 ) return 0; - if( pMod->pModule->iVersion<3 ) return 0; - if( pMod->pModule->xShadowName==0 ) return 0; - return pMod->pModule->xShadowName(zTail+1); + return sqlite3IsShadowTableOf(db, pTab, zName); } -#else -# define isShadowTableName(x,y) 0 #endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */ + +#ifdef SQLITE_DEBUG +/* +** Mark all nodes of an expression as EP_Immutable, indicating that +** they should not be changed. Expressions attached to a table or +** index definition are tagged this way to help ensure that we do +** not pass them into code generator routines by mistake. +*/ +static int markImmutableExprStep(Walker *pWalker, Expr *pExpr){ + ExprSetVVAProperty(pExpr, EP_Immutable); + return WRC_Continue; +} +static void markExprListImmutable(ExprList *pList){ + if( pList ){ + Walker w; + memset(&w, 0, sizeof(w)); + w.xExprCallback = markImmutableExprStep; + w.xSelectCallback = sqlite3SelectWalkNoop; + w.xSelectCallback2 = 0; + sqlite3WalkExprList(&w, pList); + } +} +#else +#define markExprListImmutable(X) /* no-op */ +#endif /* SQLITE_DEBUG */ + + /* ** This routine is called to report the final ")" that terminates ** a CREATE TABLE statement. @@ -109687,15 +112651,15 @@ static int isShadowTableName(sqlite3 *db, char *zName){ ** is added to the internal hash tables, assuming no errors have ** occurred. ** -** An entry for the table is made in the master table on disk, unless +** An entry for the table is made in the schema table on disk, unless ** this is a temporary table or db->init.busy==1. When db->init.busy==1 -** it means we are reading the sqlite_master table because we just -** connected to the database or because the sqlite_master table has +** it means we are reading the sqlite_schema table because we just +** connected to the database or because the sqlite_schema table has ** recently changed, so the entry for this table already exists in -** the sqlite_master table. We do not want to create it again. +** the sqlite_schema table. We do not want to create it again. ** ** If the pSelect argument is not NULL, it means that this routine -** was called to create a table generated from a +** was called to create a table generated from a ** "CREATE TABLE ... AS SELECT ..." statement. The column names of ** the new table will match the result set of the SELECT. */ @@ -109718,17 +112682,17 @@ SQLITE_PRIVATE void sqlite3EndTable( p = pParse->pNewTable; if( p==0 ) return; - if( pSelect==0 && isShadowTableName(db, p->zName) ){ + if( pSelect==0 && sqlite3ShadowTableName(db, p->zName) ){ p->tabFlags |= TF_Shadow; } /* If the db->init.busy is 1 it means we are reading the SQL off the - ** "sqlite_master" or "sqlite_temp_master" table on the disk. + ** "sqlite_schema" or "sqlite_temp_schema" table on the disk. ** So do not write to the disk again. Extract the root page number ** for the table from the db->init.newTnum field. (The page number ** should have been put there by the sqliteOpenCb routine.) ** - ** If the root page number is 1, that means this is the sqlite_master + ** If the root page number is 1, that means this is the sqlite_schema ** table itself. So mark it read-only. */ if( db->init.busy ){ @@ -109754,12 +112718,11 @@ SQLITE_PRIVATE void sqlite3EndTable( } if( (p->tabFlags & TF_HasPrimaryKey)==0 ){ sqlite3ErrorMsg(pParse, "PRIMARY KEY missing on table %s", p->zName); - }else{ - p->tabFlags |= TF_WithoutRowid | TF_NoVisibleRowid; - convertToWithoutRowidTable(pParse, p); + return; } + p->tabFlags |= TF_WithoutRowid | TF_NoVisibleRowid; + convertToWithoutRowidTable(pParse, p); } - iDb = sqlite3SchemaToIndex(db, p->pSchema); #ifndef SQLITE_OMIT_CHECK @@ -109767,8 +112730,47 @@ SQLITE_PRIVATE void sqlite3EndTable( */ if( p->pCheck ){ sqlite3ResolveSelfReference(pParse, p, NC_IsCheck, 0, p->pCheck); + if( pParse->nErr ){ + /* If errors are seen, delete the CHECK constraints now, else they might + ** actually be used if PRAGMA writable_schema=ON is set. */ + sqlite3ExprListDelete(db, p->pCheck); + p->pCheck = 0; + }else{ + markExprListImmutable(p->pCheck); + } } #endif /* !defined(SQLITE_OMIT_CHECK) */ +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( p->tabFlags & TF_HasGenerated ){ + int ii, nNG = 0; + testcase( p->tabFlags & TF_HasVirtual ); + testcase( p->tabFlags & TF_HasStored ); + for(ii=0; ii<p->nCol; ii++){ + u32 colFlags = p->aCol[ii].colFlags; + if( (colFlags & COLFLAG_GENERATED)!=0 ){ + Expr *pX = p->aCol[ii].pDflt; + testcase( colFlags & COLFLAG_VIRTUAL ); + testcase( colFlags & COLFLAG_STORED ); + if( sqlite3ResolveSelfReference(pParse, p, NC_GenCol, pX, 0) ){ + /* If there are errors in resolving the expression, change the + ** expression to a NULL. This prevents code generators that operate + ** on the expression from inserting extra parts into the expression + ** tree that have been allocated from lookaside memory, which is + ** illegal in a schema and will lead to errors or heap corruption + ** when the database connection closes. */ + sqlite3ExprDelete(db, pX); + p->aCol[ii].pDflt = sqlite3ExprAlloc(db, TK_NULL, 0, 0); + } + }else{ + nNG++; + } + } + if( nNG==0 ){ + sqlite3ErrorMsg(pParse, "must have at least one non-generated column"); + return; + } + } +#endif /* Estimate the average row size for the table and for all implied indices */ estimateTableWidth(p); @@ -109777,7 +112779,7 @@ SQLITE_PRIVATE void sqlite3EndTable( } /* If not initializing, then create a record for the new table - ** in the SQLITE_MASTER table of the database. + ** in the schema table of the database. ** ** If this is a TEMPORARY table, write the entry into the auxiliary ** file instead of into the main database file. @@ -109794,7 +112796,7 @@ SQLITE_PRIVATE void sqlite3EndTable( sqlite3VdbeAddOp1(v, OP_Close, 0); - /* + /* ** Initialize zType for the new view or table. */ if( p->pSelect==0 ){ @@ -109845,7 +112847,7 @@ SQLITE_PRIVATE void sqlite3EndTable( pSelTab = sqlite3ResultSetOfSelect(pParse, pSelect, SQLITE_AFF_BLOB); if( pSelTab==0 ) return; assert( p->aCol==0 ); - p->nCol = pSelTab->nCol; + p->nCol = p->nNVCol = pSelTab->nCol; p->aCol = pSelTab->aCol; pSelTab->nCol = 0; pSelTab->aCol = 0; @@ -109873,20 +112875,20 @@ SQLITE_PRIVATE void sqlite3EndTable( Token *pEnd2 = tabOpts ? &pParse->sLastToken : pEnd; n = (int)(pEnd2->z - pParse->sNameToken.z); if( pEnd2->z[0]!=';' ) n += pEnd2->n; - zStmt = sqlite3MPrintf(db, + zStmt = sqlite3MPrintf(db, "CREATE %s %.*s", zType2, n, pParse->sNameToken.z ); } - /* A slot for the record has already been allocated in the - ** SQLITE_MASTER table. We just need to update that slot with all + /* A slot for the record has already been allocated in the + ** schema table. We just need to update that slot with all ** the information we've collected. */ sqlite3NestedParse(pParse, - "UPDATE %Q.%s " - "SET type='%s', name=%Q, tbl_name=%Q, rootpage=#%d, sql=%Q " - "WHERE rowid=#%d", - db->aDb[iDb].zDbSName, MASTER_NAME, + "UPDATE %Q." DFLT_SCHEMA_TABLE + " SET type='%s', name=%Q, tbl_name=%Q, rootpage=#%d, sql=%Q" + " WHERE rowid=#%d", + db->aDb[iDb].zDbSName, zType, p->zName, p->zName, @@ -109918,7 +112920,6 @@ SQLITE_PRIVATE void sqlite3EndTable( sqlite3MPrintf(db, "tbl_name='%q' AND type!='trigger'", p->zName)); } - /* Add the table to the in-memory representation of the database. */ if( db->init.busy ){ @@ -109989,6 +112990,7 @@ SQLITE_PRIVATE void sqlite3CreateView( ** allocated rather than point to the input string - which means that ** they will persist after the current sqlite3_exec() call returns. */ + pSelect->selFlags |= SF_View; if( IN_RENAME_OBJECT ){ p->pSelect = pSelect; pSelect = 0; @@ -110014,7 +113016,7 @@ SQLITE_PRIVATE void sqlite3CreateView( sEnd.z = &z[n-1]; sEnd.n = 1; - /* Use sqlite3EndTable() to add the view to the SQLITE_MASTER table */ + /* Use sqlite3EndTable() to add the view to the schema table */ sqlite3EndTable(pParse, 0, &sEnd, 0, 0); create_view_fail: @@ -110074,7 +113076,7 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ ** Actually, the error above is now caught prior to reaching this point. ** But the following test is still important as it does come up ** in the following: - ** + ** ** CREATE TABLE main.ex1(a); ** CREATE TEMP VIEW ex1 AS SELECT a FROM ex1; ** SELECT * FROM temp.ex1; @@ -110095,14 +113097,12 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ assert( pTable->pSelect ); pSel = sqlite3SelectDup(db, pTable->pSelect, 0); if( pSel ){ -#ifndef SQLITE_OMIT_ALTERTABLE u8 eParseMode = pParse->eParseMode; pParse->eParseMode = PARSE_MODE_NORMAL; -#endif n = pParse->nTab; sqlite3SrcListAssignCursors(pParse, pSel->pSrc); pTable->nCol = -1; - db->lookaside.bDisable++; + DisableLookaside; #ifndef SQLITE_OMIT_AUTHORIZATION xAuth = db->xAuth; db->xAuth = 0; @@ -110112,23 +113112,26 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ pSelTab = sqlite3ResultSetOfSelect(pParse, pSel, SQLITE_AFF_NONE); #endif pParse->nTab = n; - if( pTable->pCheck ){ + if( pSelTab==0 ){ + pTable->nCol = 0; + nErr++; + }else if( pTable->pCheck ){ /* CREATE VIEW name(arglist) AS ... ** The names of the columns in the table are taken from ** arglist which is stored in pTable->pCheck. The pCheck field ** normally holds CHECK constraints on an ordinary table, but for ** a VIEW it holds the list of column names. */ - sqlite3ColumnsFromExprList(pParse, pTable->pCheck, + sqlite3ColumnsFromExprList(pParse, pTable->pCheck, &pTable->nCol, &pTable->aCol); - if( db->mallocFailed==0 + if( db->mallocFailed==0 && pParse->nErr==0 && pTable->nCol==pSel->pEList->nExpr ){ sqlite3SelectAddColumnTypeAndCollation(pParse, pTable, pSel, SQLITE_AFF_NONE); } - }else if( pSelTab ){ + }else{ /* CREATE VIEW name AS... without an argument list. Construct ** the column names from the SELECT statement that defines the view. */ @@ -110138,16 +113141,12 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ pSelTab->nCol = 0; pSelTab->aCol = 0; assert( sqlite3SchemaMutexHeld(db, 0, pTable->pSchema) ); - }else{ - pTable->nCol = 0; - nErr++; } + pTable->nNVCol = pTable->nCol; sqlite3DeleteTable(db, pSelTab); sqlite3SelectDelete(db, pSel); - db->lookaside.bDisable--; -#ifndef SQLITE_OMIT_ALTERTABLE + EnableLookaside; pParse->eParseMode = eParseMode; -#endif } else { nErr++; } @@ -110158,7 +113157,7 @@ SQLITE_PRIVATE int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){ pTable->nCol = 0; } #endif /* SQLITE_OMIT_VIEW */ - return nErr; + return nErr; } #endif /* !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE) */ @@ -110194,7 +113193,7 @@ static void sqliteViewResetAll(sqlite3 *db, int idx){ ** on tables and/or indices that are the process of being deleted. ** If you are unlucky, one of those deleted indices or tables might ** have the same rootpage number as the real table or index that is -** being moved. So we cannot stop searching after the first match +** being moved. So we cannot stop searching after the first match ** because the first match might be for one of the deleted indices ** or tables and not the table/index that is actually being moved. ** We must continue looping until all tables and indices with @@ -110202,7 +113201,7 @@ static void sqliteViewResetAll(sqlite3 *db, int idx){ ** in order to be certain that we got the right one. */ #ifndef SQLITE_OMIT_AUTOVACUUM -SQLITE_PRIVATE void sqlite3RootPageMoved(sqlite3 *db, int iDb, int iFrom, int iTo){ +SQLITE_PRIVATE void sqlite3RootPageMoved(sqlite3 *db, int iDb, Pgno iFrom, Pgno iTo){ HashElem *pElem; Hash *pHash; Db *pDb; @@ -110228,10 +113227,10 @@ SQLITE_PRIVATE void sqlite3RootPageMoved(sqlite3 *db, int iDb, int iFrom, int iT /* ** Write code to erase the table with root-page iTable from database iDb. -** Also write code to modify the sqlite_master table and internal schema +** Also write code to modify the sqlite_schema table and internal schema ** if a root-page of another table is moved by the btree-layer whilst ** erasing iTable (this can happen with an auto-vacuum database). -*/ +*/ static void destroyRootPage(Parse *pParse, int iTable, int iDb){ Vdbe *v = sqlite3GetVdbe(pParse); int r1 = sqlite3GetTempReg(pParse); @@ -110241,30 +113240,31 @@ static void destroyRootPage(Parse *pParse, int iTable, int iDb){ #ifndef SQLITE_OMIT_AUTOVACUUM /* OP_Destroy stores an in integer r1. If this integer ** is non-zero, then it is the root page number of a table moved to - ** location iTable. The following code modifies the sqlite_master table to + ** location iTable. The following code modifies the sqlite_schema table to ** reflect this. ** ** The "#NNN" in the SQL is a special constant that means whatever value ** is in register NNN. See grammar rules associated with the TK_REGISTER ** token for additional information. */ - sqlite3NestedParse(pParse, - "UPDATE %Q.%s SET rootpage=%d WHERE #%d AND rootpage=#%d", - pParse->db->aDb[iDb].zDbSName, MASTER_NAME, iTable, r1, r1); + sqlite3NestedParse(pParse, + "UPDATE %Q." DFLT_SCHEMA_TABLE + " SET rootpage=%d WHERE #%d AND rootpage=#%d", + pParse->db->aDb[iDb].zDbSName, iTable, r1, r1); #endif sqlite3ReleaseTempReg(pParse, r1); } /* ** Write VDBE code to erase table pTab and all associated indices on disk. -** Code to update the sqlite_master tables and internal schema definitions +** Code to update the sqlite_schema tables and internal schema definitions ** in case a root-page belonging to another table is moved by the btree layer ** is also added (this can happen with an auto-vacuum database). */ static void destroyTable(Parse *pParse, Table *pTab){ /* If the database may be auto-vacuum capable (if SQLITE_OMIT_AUTOVACUUM ** is not defined), then it is important to call OP_Destroy on the - ** table and index root-pages in order, starting with the numerically + ** table and index root-pages in order, starting with the numerically ** largest root-page number. This guarantees that none of the root-pages ** to be destroyed is relocated by an earlier OP_Destroy. i.e. if the ** following were coded: @@ -110274,22 +113274,22 @@ static void destroyTable(Parse *pParse, Table *pTab){ ** OP_Destroy 5 0 ** ** and root page 5 happened to be the largest root-page number in the - ** database, then root page 5 would be moved to page 4 by the + ** database, then root page 5 would be moved to page 4 by the ** "OP_Destroy 4 0" opcode. The subsequent "OP_Destroy 5 0" would hit ** a free-list page. */ - int iTab = pTab->tnum; - int iDestroyed = 0; + Pgno iTab = pTab->tnum; + Pgno iDestroyed = 0; while( 1 ){ Index *pIdx; - int iLargest = 0; + Pgno iLargest = 0; if( iDestroyed==0 || iTab<iDestroyed ){ iLargest = iTab; } for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ - int iIdx = pIdx->tnum; + Pgno iIdx = pIdx->tnum; assert( pIdx->pSchema==pTab->pSchema ); if( (iDestroyed==0 || (iIdx<iDestroyed)) && iIdx>iLargest ){ iLargest = iIdx; @@ -110350,12 +113350,12 @@ SQLITE_PRIVATE void sqlite3CodeDropTable(Parse *pParse, Table *pTab, int iDb, in #endif /* Drop all triggers associated with the table being dropped. Code - ** is generated to remove entries from sqlite_master and/or - ** sqlite_temp_master if required. + ** is generated to remove entries from sqlite_schema and/or + ** sqlite_temp_schema if required. */ pTrigger = sqlite3TriggerList(pParse, pTab); while( pTrigger ){ - assert( pTrigger->pSchema==pTab->pSchema || + assert( pTrigger->pSchema==pTab->pSchema || pTrigger->pSchema==db->aDb[1].pSchema ); sqlite3DropTriggerPtr(pParse, pTrigger); pTrigger = pTrigger->pNext; @@ -110375,16 +113375,17 @@ SQLITE_PRIVATE void sqlite3CodeDropTable(Parse *pParse, Table *pTab, int iDb, in } #endif - /* Drop all SQLITE_MASTER table and index entries that refer to the - ** table. The program name loops through the master table and deletes + /* Drop all entries in the schema table that refer to the + ** table. The program name loops through the schema table and deletes ** every row that refers to a table of the same name as the one being ** dropped. Triggers are handled separately because a trigger can be ** created in the temp database that refers to a table in another ** database. */ - sqlite3NestedParse(pParse, - "DELETE FROM %Q.%s WHERE tbl_name=%Q and type!='trigger'", - pDb->zDbSName, MASTER_NAME, pTab->zName); + sqlite3NestedParse(pParse, + "DELETE FROM %Q." DFLT_SCHEMA_TABLE + " WHERE tbl_name=%Q and type!='trigger'", + pDb->zDbSName, pTab->zName); if( !isView && !IsVirtual(pTab) ){ destroyTable(pParse, pTab); } @@ -110402,6 +113403,37 @@ SQLITE_PRIVATE void sqlite3CodeDropTable(Parse *pParse, Table *pTab, int iDb, in } /* +** Return TRUE if shadow tables should be read-only in the current +** context. +*/ +SQLITE_PRIVATE int sqlite3ReadOnlyShadowTables(sqlite3 *db){ +#ifndef SQLITE_OMIT_VIRTUALTABLE + if( (db->flags & SQLITE_Defensive)!=0 + && db->pVtabCtx==0 + && db->nVdbeExec==0 + ){ + return 1; + } +#endif + return 0; +} + +/* +** Return true if it is not allowed to drop the given table +*/ +static int tableMayNotBeDropped(sqlite3 *db, Table *pTab){ + if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 ){ + if( sqlite3StrNICmp(pTab->zName+7, "stat", 4)==0 ) return 0; + if( sqlite3StrNICmp(pTab->zName+7, "parameters", 10)==0 ) return 0; + return 1; + } + if( (pTab->tabFlags & TF_Shadow)!=0 && sqlite3ReadOnlyShadowTables(db) ){ + return 1; + } + return 0; +} + +/* ** This routine is called to do the work of a DROP TABLE statement. ** pName is the name of the table to be dropped. */ @@ -110470,9 +113502,7 @@ SQLITE_PRIVATE void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, } } #endif - if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 - && sqlite3StrNICmp(pTab->zName+7, "stat", 4)!=0 - && sqlite3StrNICmp(pTab->zName+7, "parameters", 10)!=0 ){ + if( tableMayNotBeDropped(db, pTab) ){ sqlite3ErrorMsg(pParse, "table %s may not be dropped", pTab->zName); goto exit_drop_table; } @@ -110491,7 +113521,7 @@ SQLITE_PRIVATE void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, } #endif - /* Generate code to remove the table from the master table + /* Generate code to remove the table from the schema table ** on disk. */ v = sqlite3GetVdbe(pParse); @@ -110564,7 +113594,7 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( nByte = sizeof(*pFKey) + (nCol-1)*sizeof(pFKey->aCol[0]) + pTo->n + 1; if( pToCol ){ for(i=0; i<pToCol->nExpr; i++){ - nByte += sqlite3Strlen30(pToCol->a[i].zName) + 1; + nByte += sqlite3Strlen30(pToCol->a[i].zEName) + 1; } } pFKey = sqlite3DbMallocZero(db, nByte ); @@ -110589,30 +113619,30 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( for(i=0; i<nCol; i++){ int j; for(j=0; j<p->nCol; j++){ - if( sqlite3StrICmp(p->aCol[j].zName, pFromCol->a[i].zName)==0 ){ + if( sqlite3StrICmp(p->aCol[j].zName, pFromCol->a[i].zEName)==0 ){ pFKey->aCol[i].iFrom = j; break; } } if( j>=p->nCol ){ - sqlite3ErrorMsg(pParse, - "unknown column \"%s\" in foreign key definition", - pFromCol->a[i].zName); + sqlite3ErrorMsg(pParse, + "unknown column \"%s\" in foreign key definition", + pFromCol->a[i].zEName); goto fk_end; } if( IN_RENAME_OBJECT ){ - sqlite3RenameTokenRemap(pParse, &pFKey->aCol[i], pFromCol->a[i].zName); + sqlite3RenameTokenRemap(pParse, &pFKey->aCol[i], pFromCol->a[i].zEName); } } } if( pToCol ){ for(i=0; i<nCol; i++){ - int n = sqlite3Strlen30(pToCol->a[i].zName); + int n = sqlite3Strlen30(pToCol->a[i].zEName); pFKey->aCol[i].zCol = z; if( IN_RENAME_OBJECT ){ - sqlite3RenameTokenRemap(pParse, z, pToCol->a[i].zName); + sqlite3RenameTokenRemap(pParse, z, pToCol->a[i].zEName); } - memcpy(z, pToCol->a[i].zName, n); + memcpy(z, pToCol->a[i].zEName, n); z[n] = 0; z += n+1; } @@ -110622,7 +113652,7 @@ SQLITE_PRIVATE void sqlite3CreateForeignKey( pFKey->aAction[1] = (u8)((flags >> 8 ) & 0xff); /* ON UPDATE action */ assert( sqlite3SchemaMutexHeld(db, 0, p->pSchema) ); - pNextTo = (FKey *)sqlite3HashInsert(&p->pSchema->fkeyHash, + pNextTo = (FKey *)sqlite3HashInsert(&p->pSchema->fkeyHash, pFKey->zTo, (void *)pFKey ); if( pNextTo==pFKey ){ @@ -110682,7 +113712,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){ int iSorter; /* Cursor opened by OpenSorter (if in use) */ int addr1; /* Address of top of loop */ int addr2; /* Address to jump to for next iteration */ - int tnum; /* Root page of index */ + Pgno tnum; /* Root page of index */ int iPartIdxLabel; /* Jump to this label to skip a row */ Vdbe *v; /* Generate code into this virtual machine */ KeyInfo *pKey; /* KeyInfo for index */ @@ -110703,7 +113733,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){ v = sqlite3GetVdbe(pParse); if( v==0 ) return; if( memRootPage>=0 ){ - tnum = memRootPage; + tnum = (Pgno)memRootPage; }else{ tnum = pIndex->tnum; } @@ -110728,7 +113758,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){ sqlite3VdbeAddOp2(v, OP_Next, iTab, addr1+1); VdbeCoverage(v); sqlite3VdbeJumpHere(v, addr1); if( memRootPage<0 ) sqlite3VdbeAddOp2(v, OP_Clear, tnum, iDb); - sqlite3VdbeAddOp4(v, OP_OpenWrite, iIdx, tnum, iDb, + sqlite3VdbeAddOp4(v, OP_OpenWrite, iIdx, (int)tnum, iDb, (char *)pKey, P4_KEYINFO); sqlite3VdbeChangeP5(v, OPFLAG_BULKCSR|((memRootPage>=0)?OPFLAG_P2ISREG:0)); @@ -110747,7 +113777,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){ ** user function that throws an exception when it is evaluated. But the ** overhead of adding a statement journal to a CREATE INDEX statement is ** very small (since most of the pages written do not contain content that - ** needs to be restored if the statement aborts), so we call + ** needs to be restored if the statement aborts), so we call ** sqlite3MayAbort() for all CREATE INDEX statements. */ sqlite3MayAbort(pParse); addr2 = sqlite3VdbeCurrentAddr(v); @@ -110820,7 +113850,7 @@ SQLITE_PRIVATE int sqlite3HasExplicitNulls(Parse *pParse, ExprList *pList){ for(i=0; i<pList->nExpr; i++){ if( pList->a[i].bNulls ){ u8 sf = pList->a[i].sortFlags; - sqlite3ErrorMsg(pParse, "unsupported use of NULLS %s", + sqlite3ErrorMsg(pParse, "unsupported use of NULLS %s", (sf==0 || sf==3) ? "FIRST" : "LAST" ); return 1; @@ -110831,8 +113861,8 @@ SQLITE_PRIVATE int sqlite3HasExplicitNulls(Parse *pParse, ExprList *pList){ } /* -** Create a new index for an SQL table. pName1.pName2 is the name of the index -** and pTblList is the name of the table that is to be indexed. Both will +** Create a new index for an SQL table. pName1.pName2 is the name of the index +** and pTblList is the name of the table that is to be indexed. Both will ** be NULL for a primary key or an index that is created to satisfy a ** UNIQUE constraint. If pTable and pIndex are NULL, use pParse->pNewTable ** as the table to be indexed. pParse->pNewTable is a table that is @@ -110840,7 +113870,7 @@ SQLITE_PRIVATE int sqlite3HasExplicitNulls(Parse *pParse, ExprList *pList){ ** ** pList is a list of columns to be indexed. pList will be NULL if this ** is a primary key or unique-constraint on the most recent column added -** to the table currently under construction. +** to the table currently under construction. */ SQLITE_PRIVATE void sqlite3CreateIndex( Parse *pParse, /* All information about this parse */ @@ -110890,7 +113920,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( */ if( pTblName!=0 ){ - /* Use the two-part index name to determine the database + /* Use the two-part index name to determine the database ** to search for the table. 'Fix' the table name to this db ** before looking up the table. */ @@ -110922,7 +113952,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( assert( db->mallocFailed==0 || pTab==0 ); if( pTab==0 ) goto exit_create_index; if( iDb==1 && db->aDb[iDb].pSchema!=pTab->pSchema ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "cannot create a TEMP index on non-TEMP table \"%s\"", pTab->zName); goto exit_create_index; @@ -110939,16 +113969,13 @@ SQLITE_PRIVATE void sqlite3CreateIndex( assert( pTab!=0 ); assert( pParse->nErr==0 ); - if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 + if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 && db->init.busy==0 && pTblName!=0 #if SQLITE_USER_AUTHENTICATION && sqlite3UserAuthTable(pTab->zName)==0 #endif -#ifdef SQLITE_ALLOW_SQLITE_MASTER_INDEX - && sqlite3StrICmp(&pTab->zName[7],"master")!=0 -#endif - ){ + ){ sqlite3ErrorMsg(pParse, "table %s may not be indexed", pTab->zName); goto exit_create_index; } @@ -110967,10 +113994,10 @@ SQLITE_PRIVATE void sqlite3CreateIndex( /* ** Find the name of the index. Make sure there is not already another - ** index or table with the same name. + ** index or table with the same name. ** ** Exception: If we are reading the names of permanent indices from the - ** sqlite_master table (because some other process changed the schema) and + ** sqlite_schema table (because some other process changed the schema) and ** one of the index names collides with the name of a temporary table or ** index, then we will continue to process this index. ** @@ -111065,8 +114092,8 @@ SQLITE_PRIVATE void sqlite3CreateIndex( } } - /* - ** Allocate the index structure. + /* + ** Allocate the index structure. */ nName = sqlite3Strlen30(zName); nExtraCol = pPk ? pPk->nKeyCol : 1; @@ -111143,8 +114170,13 @@ SQLITE_PRIVATE void sqlite3CreateIndex( assert( j<=0x7fff ); if( j<0 ){ j = pTab->iPKey; - }else if( pTab->aCol[j].notNull==0 ){ - pIndex->uniqNotNull = 0; + }else{ + if( pTab->aCol[j].notNull==0 ){ + pIndex->uniqNotNull = 0; + } + if( pTab->aCol[j].colFlags & COLFLAG_VIRTUAL ){ + pIndex->bHasVCol = 1; + } } pIndex->aiColumn[i] = (i16)j; } @@ -111179,7 +114211,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( int x = pPk->aiColumn[j]; assert( x>=0 ); if( isDupColumn(pIndex, pIndex->nKeyCol, pPk, j) ){ - pIndex->nColumn--; + pIndex->nColumn--; }else{ testcase( hasColumn(pIndex->aiColumn,pIndex->nKeyCol,x) ); pIndex->aiColumn[i] = x; @@ -111198,14 +114230,14 @@ SQLITE_PRIVATE void sqlite3CreateIndex( /* If this index contains every column of its table, then mark ** it as a covering index */ - assert( HasRowid(pTab) - || pTab->iPKey<0 || sqlite3ColumnOfIndex(pIndex, pTab->iPKey)>=0 ); + assert( HasRowid(pTab) + || pTab->iPKey<0 || sqlite3TableColumnToIndex(pIndex, pTab->iPKey)>=0 ); recomputeColumnsNotIndexed(pIndex); if( pTblName!=0 && pIndex->nColumn>=pTab->nCol ){ pIndex->isCovering = 1; for(j=0; j<pTab->nCol; j++){ if( j==pTab->iPKey ) continue; - if( sqlite3ColumnOfIndex(pIndex,j)>=0 ) continue; + if( sqlite3TableColumnToIndex(pIndex,j)>=0 ) continue; pIndex->isCovering = 0; break; } @@ -111254,13 +114286,13 @@ SQLITE_PRIVATE void sqlite3CreateIndex( if( pIdx->onError!=pIndex->onError ){ /* This constraint creates the same index as a previous ** constraint specified somewhere in the CREATE TABLE statement. - ** However the ON CONFLICT clauses are different. If both this + ** However the ON CONFLICT clauses are different. If both this ** constraint and the previous equivalent constraint have explicit ** ON CONFLICT clauses this is an error. Otherwise, use the ** explicitly specified behavior for the index. */ if( !(pIdx->onError==OE_Default || pIndex->onError==OE_Default) ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "conflicting ON CONFLICT clauses specified", 0); } if( pIdx->onError==OE_Default ){ @@ -111281,7 +114313,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( if( !IN_RENAME_OBJECT ){ /* Link the new Index structure to its table and to the other - ** in-memory database structures. + ** in-memory database structures. */ assert( pParse->nErr==0 ); if( db->init.busy ){ @@ -111296,7 +114328,7 @@ SQLITE_PRIVATE void sqlite3CreateIndex( goto exit_create_index; } } - p = sqlite3HashInsert(&pIndex->pSchema->idxHash, + p = sqlite3HashInsert(&pIndex->pSchema->idxHash, pIndex->zName, pIndex); if( p ){ assert( p==pIndex ); /* Malloc must have failed */ @@ -111309,8 +114341,8 @@ SQLITE_PRIVATE void sqlite3CreateIndex( /* If this is the initial CREATE INDEX statement (or CREATE TABLE if the ** index is an implied index for a UNIQUE or PRIMARY KEY constraint) then ** emit code to allocate the index rootpage on disk and make an entry for - ** the index in the sqlite_master table and populate the index with - ** content. But, do not do this if we are simply reading the sqlite_master + ** the index in the sqlite_schema table and populate the index with + ** content. But, do not do this if we are simply reading the sqlite_schema ** table to parse the schema, or if this index is the PRIMARY KEY index ** of a WITHOUT ROWID table. ** @@ -111330,12 +114362,12 @@ SQLITE_PRIVATE void sqlite3CreateIndex( sqlite3BeginWriteOperation(pParse, 1, iDb); /* Create the rootpage for the index using CreateIndex. But before - ** doing so, code a Noop instruction and store its address in - ** Index.tnum. This is required in case this index is actually a - ** PRIMARY KEY and the table is actually a WITHOUT ROWID table. In + ** doing so, code a Noop instruction and store its address in + ** Index.tnum. This is required in case this index is actually a + ** PRIMARY KEY and the table is actually a WITHOUT ROWID table. In ** that case the convertToWithoutRowidTable() routine will replace ** the Noop with a Goto to jump over the VDBE code generated below. */ - pIndex->tnum = sqlite3VdbeAddOp0(v, OP_Noop); + pIndex->tnum = (Pgno)sqlite3VdbeAddOp0(v, OP_Noop); sqlite3VdbeAddOp3(v, OP_CreateBtree, iDb, iMem, BTREE_BLOBKEY); /* Gather the complete text of the CREATE INDEX statement into @@ -111354,11 +114386,11 @@ SQLITE_PRIVATE void sqlite3CreateIndex( zStmt = 0; } - /* Add an entry in sqlite_master for this index + /* Add an entry in sqlite_schema for this index */ - sqlite3NestedParse(pParse, - "INSERT INTO %Q.%s VALUES('index',%Q,%Q,#%d,%Q);", - db->aDb[iDb].zDbSName, MASTER_NAME, + sqlite3NestedParse(pParse, + "INSERT INTO %Q." DFLT_SCHEMA_TABLE " VALUES('index',%Q,%Q,#%d,%Q);", + db->aDb[iDb].zDbSName, pIndex->zName, pTab->zName, iMem, @@ -111377,29 +114409,12 @@ SQLITE_PRIVATE void sqlite3CreateIndex( sqlite3VdbeAddOp2(v, OP_Expire, 0, 1); } - sqlite3VdbeJumpHere(v, pIndex->tnum); + sqlite3VdbeJumpHere(v, (int)pIndex->tnum); } } - - /* When adding an index to the list of indices for a table, make - ** sure all indices labeled OE_Replace come after all those labeled - ** OE_Ignore. This is necessary for the correct constraint check - ** processing (in sqlite3GenerateConstraintChecks()) as part of - ** UPDATE and INSERT statements. - */ if( db->init.busy || pTblName==0 ){ - if( onError!=OE_Replace || pTab->pIndex==0 - || pTab->pIndex->onError==OE_Replace){ - pIndex->pNext = pTab->pIndex; - pTab->pIndex = pIndex; - }else{ - Index *pOther = pTab->pIndex; - while( pOther->pNext && pOther->pNext->onError!=OE_Replace ){ - pOther = pOther->pNext; - } - pIndex->pNext = pOther->pNext; - pOther->pNext = pIndex; - } + pIndex->pNext = pTab->pIndex; + pTab->pIndex = pIndex; pIndex = 0; } else if( IN_RENAME_OBJECT ){ @@ -111411,6 +114426,21 @@ SQLITE_PRIVATE void sqlite3CreateIndex( /* Clean up before exiting */ exit_create_index: if( pIndex ) sqlite3FreeIndex(db, pIndex); + if( pTab ){ /* Ensure all REPLACE indexes are at the end of the list */ + Index **ppFrom = &pTab->pIndex; + Index *pThis; + for(ppFrom=&pTab->pIndex; (pThis = *ppFrom)!=0; ppFrom=&pThis->pNext){ + Index *pNext; + if( pThis->onError!=OE_Replace ) continue; + while( (pNext = pThis->pNext)!=0 && pNext->onError!=OE_Replace ){ + *ppFrom = pNext; + pThis->pNext = pNext->pNext; + pNext->pNext = pThis; + ppFrom = &pNext->pNext; + } + break; + } + } sqlite3ExprDelete(db, pPIWhere); sqlite3ExprListDelete(db, pList); sqlite3SrcListDelete(db, pTblName); @@ -111436,21 +114466,33 @@ exit_create_index: ** are based on typical values found in actual indices. */ SQLITE_PRIVATE void sqlite3DefaultRowEst(Index *pIdx){ - /* 10, 9, 8, 7, 6 */ - LogEst aVal[] = { 33, 32, 30, 28, 26 }; + /* 10, 9, 8, 7, 6 */ + static const LogEst aVal[] = { 33, 32, 30, 28, 26 }; LogEst *a = pIdx->aiRowLogEst; + LogEst x; int nCopy = MIN(ArraySize(aVal), pIdx->nKeyCol); int i; /* Indexes with default row estimates should not have stat1 data */ assert( !pIdx->hasStat1 ); - /* Set the first entry (number of rows in the index) to the estimated + /* Set the first entry (number of rows in the index) to the estimated ** number of rows in the table, or half the number of rows in the table - ** for a partial index. But do not let the estimate drop below 10. */ - a[0] = pIdx->pTable->nRowLogEst; - if( pIdx->pPartIdxWhere!=0 ) a[0] -= 10; assert( 10==sqlite3LogEst(2) ); - if( a[0]<33 ) a[0] = 33; assert( 33==sqlite3LogEst(10) ); + ** for a partial index. + ** + ** 2020-05-27: If some of the stat data is coming from the sqlite_stat1 + ** table but other parts we are having to guess at, then do not let the + ** estimated number of rows in the table be less than 1000 (LogEst 99). + ** Failure to do this can cause the indexes for which we do not have + ** stat1 data to be ignored by the query planner. + */ + x = pIdx->pTable->nRowLogEst; + assert( 99==sqlite3LogEst(1000) ); + if( x<99 ){ + pIdx->pTable->nRowLogEst = x = 99; + } + if( pIdx->pPartIdxWhere!=0 ) x -= 10; assert( 10==sqlite3LogEst(2) ); + a[0] = x; /* Estimate that a[1] is 10, a[2] is 9, a[3] is 8, a[4] is 7, a[5] is ** 6 and each subsequent value (if any) is 5. */ @@ -111513,13 +114555,13 @@ SQLITE_PRIVATE void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists } #endif - /* Generate code to remove the index and from the master table */ + /* Generate code to remove the index and from the schema table */ v = sqlite3GetVdbe(pParse); if( v ){ sqlite3BeginWriteOperation(pParse, 1, iDb); sqlite3NestedParse(pParse, - "DELETE FROM %Q.%s WHERE name=%Q AND type='index'", - db->aDb[iDb].zDbSName, MASTER_NAME, pIndex->zName + "DELETE FROM %Q." DFLT_SCHEMA_TABLE " WHERE name=%Q AND type='index'", + db->aDb[iDb].zDbSName, pIndex->zName ); sqlite3ClearStatTables(pParse, iDb, "idx", pIndex->zName); sqlite3ChangeCookie(pParse, iDb); @@ -111729,7 +114771,7 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListEnlarge( ** database name prefix. Like this: "database.table". The pDatabase ** points to the table name and the pTable points to the database name. ** The SrcList.a[].zName field is filled with the table name which might -** come from pTable (if pDatabase is NULL) or from pDatabase. +** come from pTable (if pDatabase is NULL) or from pDatabase. ** SrcList.a[].zDatabase is filled with the database name from pTable, ** or with NULL if no database is specified. ** @@ -111860,7 +114902,7 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm( struct SrcList_item *pItem; sqlite3 *db = pParse->db; if( !p && (pOn || pUsing) ){ - sqlite3ErrorMsg(pParse, "a JOIN clause is required before %s", + sqlite3ErrorMsg(pParse, "a JOIN clause is required before %s", (pOn ? "ON" : "USING") ); goto append_from_error; @@ -111895,7 +114937,7 @@ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendFromTerm( } /* -** Add an INDEXED BY or NOT INDEXED clause to the most recently added +** Add an INDEXED BY or NOT INDEXED clause to the most recently added ** element of the source-list passed as the second argument. */ SQLITE_PRIVATE void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pIndexedBy){ @@ -111908,7 +114950,7 @@ SQLITE_PRIVATE void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pI assert( pItem->fg.isIndexedBy==0 ); assert( pItem->fg.isTabFunc==0 ); if( pIndexedBy->n==1 && !pIndexedBy->z ){ - /* A "NOT INDEXED" clause was supplied. See parse.y + /* A "NOT INDEXED" clause was supplied. See parse.y ** construct "indexed_opt" for details. */ pItem->fg.notIndexed = 1; }else{ @@ -111919,6 +114961,26 @@ SQLITE_PRIVATE void sqlite3SrcListIndexedBy(Parse *pParse, SrcList *p, Token *pI } /* +** Append the contents of SrcList p2 to SrcList p1 and return the resulting +** SrcList. Or, if an error occurs, return NULL. In all cases, p1 and p2 +** are deleted by this function. +*/ +SQLITE_PRIVATE SrcList *sqlite3SrcListAppendList(Parse *pParse, SrcList *p1, SrcList *p2){ + assert( p1 && p1->nSrc==1 ); + if( p2 ){ + SrcList *pNew = sqlite3SrcListEnlarge(pParse, p1, p2->nSrc, 1); + if( pNew==0 ){ + sqlite3SrcListDelete(pParse->db, p2); + }else{ + p1 = pNew; + memcpy(&p1->a[1], p2->a, p2->nSrc*sizeof(struct SrcList_item)); + sqlite3DbFree(pParse->db, p2); + } + } + return p1; +} + +/* ** Add the list of function arguments to the SrcList entry for a ** table-valued-function. */ @@ -111998,7 +115060,7 @@ SQLITE_PRIVATE void sqlite3EndTransaction(Parse *pParse, int eType){ assert( pParse->db!=0 ); assert( eType==TK_COMMIT || eType==TK_END || eType==TK_ROLLBACK ); isRollback = eType==TK_ROLLBACK; - if( sqlite3AuthCheck(pParse, SQLITE_TRANSACTION, + if( sqlite3AuthCheck(pParse, SQLITE_TRANSACTION, isRollback ? "ROLLBACK" : "COMMIT", 0, 0) ){ return; } @@ -112010,7 +115072,7 @@ SQLITE_PRIVATE void sqlite3EndTransaction(Parse *pParse, int eType){ /* ** This function is called by the parser when it parses a command to create, -** release or rollback an SQL savepoint. +** release or rollback an SQL savepoint. */ SQLITE_PRIVATE void sqlite3Savepoint(Parse *pParse, int op, Token *pName){ char *zName = sqlite3NameFromToken(pParse->db, pName); @@ -112037,7 +115099,7 @@ SQLITE_PRIVATE int sqlite3OpenTempDatabase(Parse *pParse){ if( db->aDb[1].pBt==0 && !pParse->explain ){ int rc; Btree *pBt; - static const int flags = + static const int flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_EXCLUSIVE | @@ -112053,7 +115115,7 @@ SQLITE_PRIVATE int sqlite3OpenTempDatabase(Parse *pParse){ } db->aDb[1].pBt = pBt; assert( db->aDb[1].pSchema ); - if( SQLITE_NOMEM==sqlite3BtreeSetPageSize(pBt, db->nextPagesize, -1, 0) ){ + if( SQLITE_NOMEM==sqlite3BtreeSetPageSize(pBt, db->nextPagesize, 0, 0) ){ sqlite3OomFault(db); return 1; } @@ -112083,7 +115145,7 @@ SQLITE_PRIVATE void sqlite3CodeVerifySchema(Parse *pParse, int iDb){ } /* -** If argument zDb is NULL, then call sqlite3CodeVerifySchema() for each +** If argument zDb is NULL, then call sqlite3CodeVerifySchema() for each ** attached database. Otherwise, invoke it for the database named zDb only. */ SQLITE_PRIVATE void sqlite3CodeVerifyNamedSchema(Parse *pParse, const char *zDb){ @@ -112129,9 +115191,9 @@ SQLITE_PRIVATE void sqlite3MultiWrite(Parse *pParse){ pToplevel->isMultiWrite = 1; } -/* +/* ** The code generator calls this routine if is discovers that it is -** possible to abort a statement prior to completion. In order to +** possible to abort a statement prior to completion. In order to ** perform this abort without corrupting the database, we need to make ** sure that the statement is protected by a statement transaction. ** @@ -112140,7 +115202,7 @@ SQLITE_PRIVATE void sqlite3MultiWrite(Parse *pParse){ ** such that the abort must occur after the multiwrite. This makes ** some statements involving the REPLACE conflict resolution algorithm ** go a little faster. But taking advantage of this time dependency -** makes it more difficult to prove that the code is correct (in +** makes it more difficult to prove that the code is correct (in ** particular, it prevents us from writing an effective ** implementation of sqlite3AssertMayAbort()) and so we have chosen ** to take the safe route and skip the optimization. @@ -112164,7 +115226,7 @@ SQLITE_PRIVATE void sqlite3HaltConstraint( u8 p5Errmsg /* P5_ErrMsg type */ ){ Vdbe *v = sqlite3GetVdbe(pParse); - assert( (errCode&0xff)==SQLITE_CONSTRAINT ); + assert( (errCode&0xff)==SQLITE_CONSTRAINT || pParse->nested ); if( onError==OE_Abort ){ sqlite3MayAbort(pParse); } @@ -112185,7 +115247,7 @@ SQLITE_PRIVATE void sqlite3UniqueConstraint( StrAccum errMsg; Table *pTab = pIdx->pTable; - sqlite3StrAccumInit(&errMsg, pParse->db, 0, 0, + sqlite3StrAccumInit(&errMsg, pParse->db, 0, 0, pParse->db->aLimit[SQLITE_LIMIT_LENGTH]); if( pIdx->aColExpr ){ sqlite3_str_appendf(&errMsg, "index '%q'", pIdx->zName); @@ -112201,8 +115263,8 @@ SQLITE_PRIVATE void sqlite3UniqueConstraint( } } zErr = sqlite3StrAccumFinish(&errMsg); - sqlite3HaltConstraint(pParse, - IsPrimaryKeyIndex(pIdx) ? SQLITE_CONSTRAINT_PRIMARYKEY + sqlite3HaltConstraint(pParse, + IsPrimaryKeyIndex(pIdx) ? SQLITE_CONSTRAINT_PRIMARYKEY : SQLITE_CONSTRAINT_UNIQUE, onError, zErr, P4_DYNAMIC, P5_ConstraintUnique); } @@ -112214,7 +115276,7 @@ SQLITE_PRIVATE void sqlite3UniqueConstraint( SQLITE_PRIVATE void sqlite3RowidConstraint( Parse *pParse, /* Parsing context */ int onError, /* Conflict resolution algorithm */ - Table *pTab /* The table with the non-unique rowid */ + Table *pTab /* The table with the non-unique rowid */ ){ char *zMsg; int rc; @@ -112408,9 +115470,9 @@ SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoOfIndex(Parse *pParse, Index *pIdx){ } #ifndef SQLITE_OMIT_CTE -/* -** This routine is invoked once per CTE by the parser while parsing a -** WITH clause. +/* +** This routine is invoked once per CTE by the parser while parsing a +** WITH clause. */ SQLITE_PRIVATE With *sqlite3WithAdd( Parse *pParse, /* Parsing context */ @@ -112479,7 +115541,7 @@ SQLITE_PRIVATE void sqlite3WithDelete(sqlite3 *db, With *pWith){ /************** End of build.c ***********************************************/ /************** Begin file callback.c ****************************************/ /* -** 2005 May 23 +** 2005 May 23 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: @@ -112546,58 +115608,13 @@ static int synthCollSeq(sqlite3 *db, CollSeq *pColl){ } /* -** This function is responsible for invoking the collation factory callback -** or substituting a collation sequence of a different encoding when the -** requested collation sequence is not available in the desired encoding. -** -** If it is not NULL, then pColl must point to the database native encoding -** collation sequence with name zName, length nName. -** -** The return value is either the collation sequence to be used in database -** db for collation type name zName, length nName, or NULL, if no collation -** sequence can be found. If no collation is found, leave an error message. -** -** See also: sqlite3LocateCollSeq(), sqlite3FindCollSeq() -*/ -SQLITE_PRIVATE CollSeq *sqlite3GetCollSeq( - Parse *pParse, /* Parsing context */ - u8 enc, /* The desired encoding for the collating sequence */ - CollSeq *pColl, /* Collating sequence with native encoding, or NULL */ - const char *zName /* Collating sequence name */ -){ - CollSeq *p; - sqlite3 *db = pParse->db; - - p = pColl; - if( !p ){ - p = sqlite3FindCollSeq(db, enc, zName, 0); - } - if( !p || !p->xCmp ){ - /* No collation sequence of this type for this encoding is registered. - ** Call the collation factory to see if it can supply us with one. - */ - callCollNeeded(db, enc, zName); - p = sqlite3FindCollSeq(db, enc, zName, 0); - } - if( p && !p->xCmp && synthCollSeq(db, p) ){ - p = 0; - } - assert( !p || p->xCmp ); - if( p==0 ){ - sqlite3ErrorMsg(pParse, "no such collation sequence: %s", zName); - pParse->rc = SQLITE_ERROR_MISSING_COLLSEQ; - } - return p; -} - -/* ** This routine is called on a collation sequence before it is used to ** check that it is defined. An undefined collation sequence exists when ** a database is loaded that contains references to collation sequences ** that have not been defined by sqlite3_create_collation() etc. ** ** If required, this routine calls the 'collation needed' callback to -** request a definition of the collating sequence. If this doesn't work, +** request a definition of the collating sequence. If this doesn't work, ** an equivalent collating sequence that uses a text encoding different ** from the main database is substituted, if one is available. */ @@ -112651,7 +115668,7 @@ static CollSeq *findCollSeqEntry( memcpy(pColl[0].zName, zName, nName); pDel = sqlite3HashInsert(&db->aCollSeq, pColl[0].zName, pColl); - /* If a malloc() failure occurred in sqlite3HashInsert(), it will + /* If a malloc() failure occurred in sqlite3HashInsert(), it will ** return the pColl pointer to be deleted (because it wasn't added ** to the hash table). */ @@ -112682,20 +115699,112 @@ static CollSeq *findCollSeqEntry( ** See also: sqlite3LocateCollSeq(), sqlite3GetCollSeq() */ SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq( - sqlite3 *db, - u8 enc, - const char *zName, - int create + sqlite3 *db, /* Database connection to search */ + u8 enc, /* Desired text encoding */ + const char *zName, /* Name of the collating sequence. Might be NULL */ + int create /* True to create CollSeq if doesn't already exist */ ){ CollSeq *pColl; + assert( SQLITE_UTF8==1 && SQLITE_UTF16LE==2 && SQLITE_UTF16BE==3 ); + assert( enc>=SQLITE_UTF8 && enc<=SQLITE_UTF16BE ); if( zName ){ pColl = findCollSeqEntry(db, zName, create); + if( pColl ) pColl += enc-1; }else{ pColl = db->pDfltColl; } - assert( SQLITE_UTF8==1 && SQLITE_UTF16LE==2 && SQLITE_UTF16BE==3 ); - assert( enc>=SQLITE_UTF8 && enc<=SQLITE_UTF16BE ); - if( pColl ) pColl += enc-1; + return pColl; +} + +/* +** Change the text encoding for a database connection. This means that +** the pDfltColl must change as well. +*/ +SQLITE_PRIVATE void sqlite3SetTextEncoding(sqlite3 *db, u8 enc){ + assert( enc==SQLITE_UTF8 || enc==SQLITE_UTF16LE || enc==SQLITE_UTF16BE ); + db->enc = enc; + /* EVIDENCE-OF: R-08308-17224 The default collating function for all + ** strings is BINARY. + */ + db->pDfltColl = sqlite3FindCollSeq(db, enc, sqlite3StrBINARY, 0); +} + +/* +** This function is responsible for invoking the collation factory callback +** or substituting a collation sequence of a different encoding when the +** requested collation sequence is not available in the desired encoding. +** +** If it is not NULL, then pColl must point to the database native encoding +** collation sequence with name zName, length nName. +** +** The return value is either the collation sequence to be used in database +** db for collation type name zName, length nName, or NULL, if no collation +** sequence can be found. If no collation is found, leave an error message. +** +** See also: sqlite3LocateCollSeq(), sqlite3FindCollSeq() +*/ +SQLITE_PRIVATE CollSeq *sqlite3GetCollSeq( + Parse *pParse, /* Parsing context */ + u8 enc, /* The desired encoding for the collating sequence */ + CollSeq *pColl, /* Collating sequence with native encoding, or NULL */ + const char *zName /* Collating sequence name */ +){ + CollSeq *p; + sqlite3 *db = pParse->db; + + p = pColl; + if( !p ){ + p = sqlite3FindCollSeq(db, enc, zName, 0); + } + if( !p || !p->xCmp ){ + /* No collation sequence of this type for this encoding is registered. + ** Call the collation factory to see if it can supply us with one. + */ + callCollNeeded(db, enc, zName); + p = sqlite3FindCollSeq(db, enc, zName, 0); + } + if( p && !p->xCmp && synthCollSeq(db, p) ){ + p = 0; + } + assert( !p || p->xCmp ); + if( p==0 ){ + sqlite3ErrorMsg(pParse, "no such collation sequence: %s", zName); + pParse->rc = SQLITE_ERROR_MISSING_COLLSEQ; + } + return p; +} + +/* +** This function returns the collation sequence for database native text +** encoding identified by the string zName. +** +** If the requested collation sequence is not available, or not available +** in the database native encoding, the collation factory is invoked to +** request it. If the collation factory does not supply such a sequence, +** and the sequence is available in another text encoding, then that is +** returned instead. +** +** If no versions of the requested collations sequence are available, or +** another error occurs, NULL is returned and an error message written into +** pParse. +** +** This routine is a wrapper around sqlite3FindCollSeq(). This routine +** invokes the collation factory if the named collation cannot be found +** and generates an error message. +** +** See also: sqlite3FindCollSeq(), sqlite3GetCollSeq() +*/ +SQLITE_PRIVATE CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char *zName){ + sqlite3 *db = pParse->db; + u8 enc = ENC(db); + u8 initbusy = db->init.busy; + CollSeq *pColl; + + pColl = sqlite3FindCollSeq(db, enc, zName, initbusy); + if( !initbusy && (!pColl || !pColl->xCmp) ){ + pColl = sqlite3GetCollSeq(pParse, enc, pColl, zName); + } + return pColl; } @@ -112709,7 +115818,7 @@ SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq( ** is also -1. In other words, we are searching for a function that ** takes a variable number of arguments. ** -** If nArg is -2 that means that we are searching for any function +** If nArg is -2 that means that we are searching for any function ** regardless of the number of arguments it uses, so return a positive ** match score for any ** @@ -112734,12 +115843,13 @@ static int matchQuality( u8 enc /* Desired text encoding */ ){ int match; - - /* nArg of -2 is a special case */ - if( nArg==(-2) ) return (p->xSFunc==0) ? 0 : FUNC_PERFECT_MATCH; + assert( p->nArg>=-1 ); /* Wrong number of arguments means "no match" */ - if( p->nArg!=nArg && p->nArg>=0 ) return 0; + if( p->nArg!=nArg ){ + if( nArg==(-2) ) return (p->xSFunc==0) ? 0 : FUNC_PERFECT_MATCH; + if( p->nArg>=0 ) return 0; + } /* Give a better score to a function with a specific number of arguments ** than to function that accepts any number of arguments. */ @@ -112802,8 +115912,8 @@ SQLITE_PRIVATE void sqlite3InsertBuiltinFuncs( } } } - - + + /* ** Locate a user function given a name, a number of arguments and a flag @@ -112864,7 +115974,7 @@ SQLITE_PRIVATE FuncDef *sqlite3FindFunction( ** have fields overwritten with new information appropriate for the ** new function. But the FuncDefs for built-in functions are read-only. ** So we must not search for built-ins when creating a new function. - */ + */ if( !createFlag && (pBest==0 || (db->mDbFlags & DBFLAG_PreferBuiltin)!=0) ){ bestScore = 0; h = SQLITE_FUNC_HASH(sqlite3UpperToLower[(u8)zName[0]], nName); @@ -112883,7 +115993,7 @@ SQLITE_PRIVATE FuncDef *sqlite3FindFunction( ** exact match for the name, number of arguments and encoding, then add a ** new entry to the hash table and return it. */ - if( createFlag && bestScore<FUNC_PERFECT_MATCH && + if( createFlag && bestScore<FUNC_PERFECT_MATCH && (pBest = sqlite3DbMallocZero(db, sizeof(*pBest)+nName+1))!=0 ){ FuncDef *pOther; u8 *z; @@ -112910,7 +116020,7 @@ SQLITE_PRIVATE FuncDef *sqlite3FindFunction( /* ** Free all resources held by the schema structure. The void* argument points -** at a Schema struct. This function does not call sqlite3DbFree(db, ) on the +** at a Schema struct. This function does not call sqlite3DbFree(db, ) on the ** pointer itself, it just cleans up subsidiary resources (i.e. the contents ** of the schema hash tables). ** @@ -112990,7 +116100,7 @@ SQLITE_PRIVATE Schema *sqlite3SchemaGet(sqlite3 *db, Btree *pBt){ ** (as in the FROM clause of a SELECT statement) in this case it contains ** the name of a single table, as one might find in an INSERT, DELETE, ** or UPDATE statement. Look up that table in the symbol table and -** return a pointer. Set an error message and return NULL if the table +** return a pointer. Set an error message and return NULL if the table ** name is not found or if any other error occurs. ** ** The following fields are initialized appropriate in pSrc: @@ -113002,7 +116112,7 @@ SQLITE_PRIVATE Schema *sqlite3SchemaGet(sqlite3 *db, Btree *pBt){ SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){ struct SrcList_item *pItem = pSrc->a; Table *pTab; - assert( pItem && pSrc->nSrc==1 ); + assert( pItem && pSrc->nSrc>=1 ); pTab = sqlite3LocateTableItem(pParse, 0, pItem); sqlite3DeleteTable(pParse->db, pItem->pTab); pItem->pTab = pTab; @@ -113022,8 +116132,8 @@ SQLITE_PRIVATE Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){ ** 1) It is a virtual table and no implementation of the xUpdate method ** has been provided ** -** 2) It is a system table (i.e. sqlite_master), this call is not -** part of a nested parse and writable_schema pragma has not +** 2) It is a system table (i.e. sqlite_schema), this call is not +** part of a nested parse and writable_schema pragma has not ** been specified ** ** 3) The table is a shadow table, the database connection is in @@ -113041,11 +116151,7 @@ static int tabIsReadOnly(Parse *pParse, Table *pTab){ return sqlite3WritableSchema(db)==0 && pParse->nested==0; } assert( pTab->tabFlags & TF_Shadow ); - return (db->flags & SQLITE_Defensive)!=0 -#ifndef SQLITE_OMIT_VIRTUALTABLE - && db->pVtabCtx==0 -#endif - && db->nVdbeExec==0; + return sqlite3ReadOnlyShadowTables(db); } /* @@ -113096,7 +116202,7 @@ SQLITE_PRIVATE void sqlite3MaterializeView( assert( pFrom->a[0].pOn==0 ); assert( pFrom->a[0].pUsing==0 ); } - pSel = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, pOrderBy, + pSel = sqlite3SelectNew(pParse, 0, pFrom, pWhere, 0, 0, pOrderBy, SF_IncludeHidden, pLimit); sqlite3SelectDestInit(&dest, SRT_EphemTab, iCur); sqlite3Select(pParse, pSel, &dest); @@ -113145,11 +116251,11 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( return pWhere; } - /* Generate a select expression tree to enforce the limit/offset + /* Generate a select expression tree to enforce the limit/offset ** term for the DELETE or UPDATE statement. For example: ** DELETE FROM table_a WHERE col1=1 ORDER BY col2 LIMIT 1 OFFSET 1 ** becomes: - ** DELETE FROM table_a WHERE rowid IN ( + ** DELETE FROM table_a WHERE rowid IN ( ** SELECT rowid FROM table_a WHERE col1=1 ORDER BY col2 LIMIT 1 OFFSET 1 ** ); */ @@ -113187,7 +116293,7 @@ SQLITE_PRIVATE Expr *sqlite3LimitWhere( pSrc->a[0].pIBIndex = 0; /* generate the SELECT expression tree. */ - pSelect = sqlite3SelectNew(pParse, pEList, pSelectSrc, pWhere, 0 ,0, + pSelect = sqlite3SelectNew(pParse, pEList, pSelectSrc, pWhere, 0 ,0, pOrderBy,0,pLimit ); @@ -113243,7 +116349,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( int addrEphOpen = 0; /* Instruction to open the Ephemeral table */ int bComplex; /* True if there are triggers or FKs or ** subqueries in the WHERE clause */ - + #ifndef SQLITE_OMIT_TRIGGER int isView; /* True if attempting to delete from a view */ Trigger *pTrigger; /* List of table triggers, if required */ @@ -113302,7 +116408,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( } iDb = sqlite3SchemaToIndex(db, pTab->pSchema); assert( iDb<db->nDb ); - rcauth = sqlite3AuthCheck(pParse, SQLITE_DELETE, pTab->zName, 0, + rcauth = sqlite3AuthCheck(pParse, SQLITE_DELETE, pTab->zName, 0, db->aDb[iDb].zDbSName); assert( rcauth==SQLITE_OK || rcauth==SQLITE_DENY || rcauth==SQLITE_IGNORE ); if( rcauth==SQLITE_DENY ){ @@ -113338,7 +116444,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( */ #if !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER) if( isView ){ - sqlite3MaterializeView(pParse, pTab, + sqlite3MaterializeView(pParse, pTab, pWhere, pOrderBy, pLimit, iTabCur ); iDataCur = iIdxCur = iTabCur; @@ -113370,7 +116476,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( #ifndef SQLITE_OMIT_TRUNCATE_OPTIMIZATION /* Special case: A DELETE without a WHERE clause deletes everything. ** It is easier just to erase the whole table. Prior to version 3.6.5, - ** this optimization caused the row change count (the value returned by + ** this optimization caused the row change count (the value returned by ** API function sqlite3_count_changes) to be set incorrectly. ** ** The "rcauth==SQLITE_OK" terms is the @@ -113421,7 +116527,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( addrEphOpen = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, iEphCur, nPk); sqlite3VdbeSetP4KeyInfo(pParse, pPk); } - + /* Construct a query to find the rowid or primary key for every row ** to be deleted, based on the WHERE clause. Set variable eOnePass ** to indicate the strategy used to implement this delete: @@ -113436,12 +116542,12 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( assert( IsVirtual(pTab)==0 || eOnePass!=ONEPASS_MULTI ); assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF ); if( eOnePass!=ONEPASS_SINGLE ) sqlite3MultiWrite(pParse); - + /* Keep track of the number of rows to be deleted */ if( memCnt ){ sqlite3VdbeAddOp2(v, OP_AddImm, memCnt, 1); } - + /* Extract the rowid or primary key for the current row */ if( pPk ){ for(i=0; i<nPk; i++){ @@ -113454,7 +116560,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( iKey = ++pParse->nMem; sqlite3ExprCodeGetColumnOfTable(v, pTab, iTabCur, -1, iKey); } - + if( eOnePass!=ONEPASS_OFF ){ /* For ONEPASS, no need to store the rowid/primary-key. There is only ** one, so just keep it in its register(s) and fall through to the @@ -113484,18 +116590,18 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, iKey); } } - - /* If this DELETE cannot use the ONEPASS strategy, this is the + + /* If this DELETE cannot use the ONEPASS strategy, this is the ** end of the WHERE loop */ if( eOnePass!=ONEPASS_OFF ){ addrBypass = sqlite3VdbeMakeLabel(pParse); }else{ sqlite3WhereEnd(pWInfo); } - - /* Unless this is a view, open cursors for the table we are + + /* Unless this is a view, open cursors for the table we are ** deleting from and all its indices. If this is a view, then the - ** only effect this statement has is to fire the INSTEAD OF + ** only effect this statement has is to fire the INSTEAD OF ** triggers. */ if( !isView ){ @@ -113508,9 +116614,11 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( iTabCur, aToOpen, &iDataCur, &iIdxCur); assert( pPk || IsVirtual(pTab) || iDataCur==iTabCur ); assert( pPk || IsVirtual(pTab) || iIdxCur==iDataCur+1 ); - if( eOnePass==ONEPASS_MULTI ) sqlite3VdbeJumpHere(v, iAddrOnce); + if( eOnePass==ONEPASS_MULTI ){ + sqlite3VdbeJumpHereOrPopInst(v, iAddrOnce); + } } - + /* Set up a loop over the rowids/primary-keys that were found in the ** where-clause loop above. */ @@ -113533,8 +116641,8 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( addrLoop = sqlite3VdbeAddOp3(v, OP_RowSetRead, iRowSet, 0, iKey); VdbeCoverage(v); assert( nKey==1 ); - } - + } + /* Delete the row */ #ifndef SQLITE_OMIT_VIRTUALTABLE if( IsVirtual(pTab) ){ @@ -113557,7 +116665,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( sqlite3GenerateRowDelete(pParse, pTab, pTrigger, iDataCur, iIdxCur, iKey, nKey, count, OE_Default, eOnePass, aiCurOnePass[1]); } - + /* End of the loop over all rowids/primary-keys. */ if( eOnePass!=ONEPASS_OFF ){ sqlite3VdbeResolveLabel(v, addrBypass); @@ -113568,7 +116676,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( }else{ sqlite3VdbeGoto(v, addrLoop); sqlite3VdbeJumpHere(v, addrLoop); - } + } } /* End non-truncate path */ /* Update the sqlite_sequence table by storing the content of the @@ -113579,7 +116687,7 @@ SQLITE_PRIVATE void sqlite3DeleteFrom( sqlite3AutoincrementEnd(pParse); } - /* Return the number of rows that were deleted. If this routine is + /* Return the number of rows that were deleted. If this routine is ** generating code because of a call to sqlite3NestedParse(), do not ** invoke the callback function. */ @@ -113593,7 +116701,7 @@ delete_from_cleanup: sqlite3AuthContextPop(&sContext); sqlite3SrcListDelete(db, pTabList); sqlite3ExprDelete(db, pWhere); -#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) +#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) sqlite3ExprListDelete(db, pOrderBy); sqlite3ExprDelete(db, pLimit); #endif @@ -113638,7 +116746,7 @@ delete_from_cleanup: ** and nPk before reading from it. ** ** If eMode is ONEPASS_MULTI, then this call is being made as part -** of a ONEPASS delete that affects multiple rows. In this case, if +** of a ONEPASS delete that affects multiple rows. In this case, if ** iIdxNoSeek is a valid cursor number (>=0) and is not the same as ** iDataCur, then its position should be preserved following the delete ** operation. Or, if iIdxNoSeek is not a valid cursor number, the @@ -113674,7 +116782,7 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( VdbeModuleComment((v, "BEGIN: GenRowDel(%d,%d,%d,%d)", iDataCur, iIdxCur, iPk, (int)nPk)); - /* Seek cursor iCur to the row to delete. If this row no longer exists + /* Seek cursor iCur to the row to delete. If this row no longer exists ** (this can happen if a trigger program has already deleted it), do ** not attempt to delete it or fire any DELETE triggers. */ iLabel = sqlite3VdbeMakeLabel(pParse); @@ -113684,7 +116792,7 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( VdbeCoverageIf(v, opSeek==OP_NotExists); VdbeCoverageIf(v, opSeek==OP_NotFound); } - + /* If there are any triggers to fire, allocate a range of registers to ** use for the old.* references in the triggers. */ if( sqlite3FkRequired(pParse, pTab, 0, 0) || pTrigger ){ @@ -113701,24 +116809,25 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( iOld = pParse->nMem+1; pParse->nMem += (1 + pTab->nCol); - /* Populate the OLD.* pseudo-table register array. These values will be + /* Populate the OLD.* pseudo-table register array. These values will be ** used by any BEFORE and AFTER triggers that exist. */ sqlite3VdbeAddOp2(v, OP_Copy, iPk, iOld); for(iCol=0; iCol<pTab->nCol; iCol++){ testcase( mask!=0xffffffff && iCol==31 ); testcase( mask!=0xffffffff && iCol==32 ); if( mask==0xffffffff || (iCol<=31 && (mask & MASKBIT32(iCol))!=0) ){ - sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, iCol, iOld+iCol+1); + int kk = sqlite3TableColumnToStorage(pTab, iCol); + sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, iCol, iOld+kk+1); } } /* Invoke BEFORE DELETE trigger programs. */ addrStart = sqlite3VdbeCurrentAddr(v); - sqlite3CodeRowTrigger(pParse, pTrigger, + sqlite3CodeRowTrigger(pParse, pTrigger, TK_DELETE, 0, TRIGGER_BEFORE, pTab, iOld, onconf, iLabel ); - /* If any BEFORE triggers were coded, then seek the cursor to the + /* If any BEFORE triggers were coded, then seek the cursor to the ** row to be deleted again. It may be that the BEFORE triggers moved ** the cursor or already deleted the row that the cursor was ** pointing to. @@ -113735,21 +116844,21 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( } /* Do FK processing. This call checks that any FK constraints that - ** refer to this table (i.e. constraints attached to other tables) + ** refer to this table (i.e. constraints attached to other tables) ** are not violated by deleting this row. */ sqlite3FkCheck(pParse, pTab, iOld, 0, 0, 0); } /* Delete the index and table entries. Skip this step if pTab is really ** a view (in which case the only effect of the DELETE statement is to - ** fire the INSTEAD OF triggers). + ** fire the INSTEAD OF triggers). ** ** If variable 'count' is non-zero, then this OP_Delete instruction should ** invoke the update-hook. The pre-update-hook, on the other hand should ** be invoked unless table pTab is a system table. The difference is that - ** the update-hook is not invoked for rows removed by REPLACE, but the + ** the update-hook is not invoked for rows removed by REPLACE, but the ** pre-update-hook is. - */ + */ if( pTab->pSelect==0 ){ u8 p5 = 0; sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur,0,iIdxNoSeek); @@ -113769,16 +116878,16 @@ SQLITE_PRIVATE void sqlite3GenerateRowDelete( /* Do any ON CASCADE, SET NULL or SET DEFAULT operations required to ** handle rows (possibly in other tables) that refer via a foreign key - ** to the row just deleted. */ + ** to the row just deleted. */ sqlite3FkActions(pParse, pTab, 0, iOld, 0, 0); /* Invoke AFTER DELETE trigger programs. */ - sqlite3CodeRowTrigger(pParse, pTrigger, + sqlite3CodeRowTrigger(pParse, pTrigger, TK_DELETE, 0, TRIGGER_AFTER, pTab, iOld, onconf, iLabel ); /* Jump here if the row had already been deleted before any BEFORE - ** trigger programs were invoked. Or if a trigger program throws a + ** trigger programs were invoked. Or if a trigger program throws a ** RAISE(IGNORE) exception. */ sqlite3VdbeResolveLabel(v, iLabel); VdbeModuleComment((v, "END: GenRowDel()")); @@ -113830,6 +116939,7 @@ SQLITE_PRIVATE void sqlite3GenerateRowIndexDelete( &iPartIdxLabel, pPrior, r1); sqlite3VdbeAddOp3(v, OP_IdxDelete, iIdxCur+i, r1, pIdx->uniqNotNull ? pIdx->nKeyCol : pIdx->nColumn); + sqlite3VdbeChangeP5(v, 1); /* Cause IdxDelete to error if no entry found */ sqlite3ResolvePartIdxLabel(pParse, iPartIdxLabel); pPrior = pIdx; } @@ -113862,7 +116972,7 @@ SQLITE_PRIVATE void sqlite3GenerateRowIndexDelete( ** its key into the same sequence of registers and if pPrior and pIdx share ** a column in common, then the register corresponding to that column already ** holds the correct value and the loading of that register is skipped. -** This optimization is helpful when doing a DELETE or an INTEGRITY_CHECK +** This optimization is helpful when doing a DELETE or an INTEGRITY_CHECK ** on a table with multiple indices, and especially with the ROWID or ** PRIMARY KEY columns of the index. */ @@ -113885,9 +116995,11 @@ SQLITE_PRIVATE int sqlite3GenerateIndexKey( if( pIdx->pPartIdxWhere ){ *piPartIdxLabel = sqlite3VdbeMakeLabel(pParse); pParse->iSelfTab = iDataCur + 1; - sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, *piPartIdxLabel, + sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, *piPartIdxLabel, SQLITE_JUMPIFNULL); pParse->iSelfTab = 0; + pPrior = 0; /* Ticket a9efb42811fa41ee 2019-11-02; + ** pPartIdxWhere may have corrupted regPrior registers */ }else{ *piPartIdxLabel = 0; } @@ -113954,7 +117066,9 @@ SQLITE_PRIVATE void sqlite3ResolvePartIdxLabel(Parse *pParse, int iLabel){ /* #include "sqliteInt.h" */ /* #include <stdlib.h> */ /* #include <assert.h> */ +#ifndef SQLITE_OMIT_FLOATING_POINT /* #include <math.h> */ +#endif /* #include "vdbeInt.h" */ /* @@ -114077,7 +117191,7 @@ static void lengthFunc( ** Implementation of the abs() function. ** ** IMP: R-23979-26855 The abs(X) function returns the absolute value of -** the numeric argument X. +** the numeric argument X. */ static void absFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ assert( argc==1 ); @@ -114094,7 +117208,7 @@ static void absFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ return; } iVal = -iVal; - } + } sqlite3_result_int64(context, iVal); break; } @@ -114346,7 +117460,7 @@ static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ */ if( r<-4503599627370496.0 || r>+4503599627370496.0 ){ /* The value has no fractional part so there is nothing to round */ - }else if( n==0 ){ + }else if( n==0 ){ r = (double)((sqlite_int64)(r+(r<0?-0.5:+0.5))); }else{ zBuf = sqlite3_mprintf("%.*f",n,r); @@ -114439,7 +117553,7 @@ static void lowerFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ #define noopFunc versionFunc /* Substitute function - never called */ /* -** Implementation of random(). Return a random integer. +** Implementation of random(). Return a random integer. */ static void randomFunc( sqlite3_context *context, @@ -114450,11 +117564,11 @@ static void randomFunc( UNUSED_PARAMETER2(NotUsed, NotUsed2); sqlite3_randomness(sizeof(r), &r); if( r<0 ){ - /* We need to prevent a random number of 0x8000000000000000 + /* We need to prevent a random number of 0x8000000000000000 ** (or -9223372036854775808) since when you do abs() of that ** number of you get the same value back again. To do this ** in a way that is testable, mask the sign bit off of negative - ** values, resulting in a positive value. Then take the + ** values, resulting in a positive value. Then take the ** 2s complement of that positive value. The end result can ** therefore be no less than -9223372036854775807. */ @@ -114492,8 +117606,8 @@ static void randomBlob( ** value is the same as the sqlite3_last_insert_rowid() API function. */ static void last_insert_rowid( - sqlite3_context *context, - int NotUsed, + sqlite3_context *context, + int NotUsed, sqlite3_value **NotUsed2 ){ sqlite3 *db = sqlite3_context_db_handle(context); @@ -114601,7 +117715,7 @@ static const struct compareInfo likeInfoAlt = { '%', '_', 0, 0 }; ** it the last character in the list. ** ** Like matching rules: -** +** ** '%' Matches any sequence of zero or more characters ** *** '_' Matches any one character @@ -114624,7 +117738,7 @@ static int patternCompare( u32 matchAll = pInfo->matchAll; /* "*" or "%" */ u8 noCase = pInfo->noCase; /* True if uppercase==lowercase */ const u8 *zEscaped = 0; /* One past the last escaped input char */ - + while( (c = Utf8Read(zPattern))!=0 ){ if( c==matchAll ){ /* Match "*" */ /* Skip over multiple "*" characters in the pattern. If there @@ -114780,8 +117894,8 @@ SQLITE_API int sqlite3_like_count = 0; ** the GLOB operator. */ static void likeFunc( - sqlite3_context *context, - int argc, + sqlite3_context *context, + int argc, sqlite3_value **argv ){ const unsigned char *zA, *zB; @@ -114789,6 +117903,7 @@ static void likeFunc( int nPat; sqlite3 *db = sqlite3_context_db_handle(context); struct compareInfo *pInfo = sqlite3_user_data(context); + struct compareInfo backupInfo; #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS if( sqlite3_value_type(argv[0])==SQLITE_BLOB @@ -114819,11 +117934,17 @@ static void likeFunc( const unsigned char *zEsc = sqlite3_value_text(argv[2]); if( zEsc==0 ) return; if( sqlite3Utf8CharLen((char*)zEsc, -1)!=1 ){ - sqlite3_result_error(context, + sqlite3_result_error(context, "ESCAPE expression must be a single character", -1); return; } escape = sqlite3Utf8Read(&zEsc); + if( escape==pInfo->matchAll || escape==pInfo->matchOne ){ + memcpy(&backupInfo, pInfo, sizeof(backupInfo)); + pInfo = &backupInfo; + if( escape==pInfo->matchAll ) pInfo->matchAll = 0; + if( escape==pInfo->matchOne ) pInfo->matchOne = 0; + } }else{ escape = pInfo->matchSet; } @@ -114926,8 +118047,8 @@ static void compileoptionusedFunc( #endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ /* -** Implementation of the sqlite_compileoption_get() function. -** The result is a string that identifies the compiler options +** Implementation of the sqlite_compileoption_get() function. +** The result is a string that identifies the compiler options ** used to build SQLite. */ #ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS @@ -114951,7 +118072,7 @@ static void compileoptiongetFunc( ** digits. */ static const char hexdigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' + '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; /* @@ -114986,7 +118107,7 @@ static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ char const *zBlob = sqlite3_value_blob(argv[0]); int nBlob = sqlite3_value_bytes(argv[0]); assert( zBlob==sqlite3_value_blob(argv[0]) ); /* No encoding change */ - zText = (char *)contextMalloc(context, (2*(i64)nBlob)+4); + zText = (char *)contextMalloc(context, (2*(i64)nBlob)+4); if( zText ){ int i; for(i=0; i<nBlob; i++){ @@ -115035,7 +118156,7 @@ static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){ /* ** The unicode() function. Return the integer unicode code-point value -** for the first character of the input string. +** for the first character of the input string. */ static void unicodeFunc( sqlite3_context *context, @@ -115191,7 +118312,7 @@ static void replaceFunc( if( zOut==0 ){ return; } - loopLimit = nStr - nPattern; + loopLimit = nStr - nPattern; cntExpand = 0; for(i=j=0; i<=loopLimit; i++){ if( zStr[i]!=zPattern[0] || memcmp(&zStr[i], zPattern, nPattern) ){ @@ -115212,7 +118333,7 @@ static void replaceFunc( ** whose index is a power of two: 1, 2, 4, 8, 16, 32, ... */ u8 *zOld; zOld = zOut; - zOut = sqlite3_realloc64(zOut, (int)nOut + (nOut - nStr - 1)); + zOut = sqlite3Realloc(zOut, (int)nOut + (nOut - nStr - 1)); if( zOut==0 ){ sqlite3_result_error_nomem(context); sqlite3_free(zOld); @@ -115347,7 +118468,7 @@ static void unknownFunc( ** Compute the soundex encoding of a word. ** ** IMP: R-59782-00072 The soundex(X) function returns a string that is the -** soundex encoding of the string X. +** soundex encoding of the string X. */ static void soundexFunc( sqlite3_context *context, @@ -115436,7 +118557,7 @@ static void loadExt(sqlite3_context *context, int argc, sqlite3_value **argv){ typedef struct SumCtx SumCtx; struct SumCtx { double rSum; /* Floating point sum */ - i64 iSum; /* Integer sum */ + i64 iSum; /* Integer sum */ i64 cnt; /* Number of elements summed */ u8 overflow; /* True if integer overflow seen */ u8 approx; /* True if non-integer value was input to the sum */ @@ -115550,13 +118671,13 @@ static void countStep(sqlite3_context *context, int argc, sqlite3_value **argv){ #ifndef SQLITE_OMIT_DEPRECATED /* The sqlite3_aggregate_count() function is deprecated. But just to make - ** sure it still operates correctly, verify that its count agrees with our + ** sure it still operates correctly, verify that its count agrees with our ** internal count when using count(*) and when the total count can be ** expressed as a 32-bit integer. */ assert( argc==1 || p==0 || p->n>0x7fffffff || p->bInverse || p->n==sqlite3_aggregate_count(context) ); #endif -} +} static void countFinalize(sqlite3_context *context){ CountCtx *p; p = sqlite3_aggregate_context(context, 0); @@ -115573,7 +118694,7 @@ static void countInverse(sqlite3_context *ctx, int argc, sqlite3_value **argv){ p->bInverse = 1; #endif } -} +} #else # define countInverse 0 #endif /* SQLITE_OMIT_WINDOWFUNC */ @@ -115582,8 +118703,8 @@ static void countInverse(sqlite3_context *ctx, int argc, sqlite3_value **argv){ ** Routines to implement min() and max() aggregate functions. */ static void minmaxStep( - sqlite3_context *context, - int NotUsed, + sqlite3_context *context, + int NotUsed, sqlite3_value **argv ){ Mem *pArg = (Mem *)argv[0]; @@ -115715,8 +118836,8 @@ static void groupConcatFinalize(sqlite3_context *context){ sqlite3_result_error_toobig(context); }else if( pAccum->accError==SQLITE_NOMEM ){ sqlite3_result_error_nomem(context); - }else{ - sqlite3_result_text(context, sqlite3StrAccumFinish(pAccum), -1, + }else{ + sqlite3_result_text(context, sqlite3StrAccumFinish(pAccum), -1, sqlite3_free); } } @@ -115730,7 +118851,7 @@ static void groupConcatValue(sqlite3_context *context){ sqlite3_result_error_toobig(context); }else if( pAccum->accError==SQLITE_NOMEM ){ sqlite3_result_error_nomem(context); - }else{ + }else{ const char *zText = sqlite3_str_value(pAccum); sqlite3_result_text(context, zText, -1, SQLITE_TRANSIENT); } @@ -115778,7 +118899,7 @@ SQLITE_PRIVATE void sqlite3RegisterLikeFunctions(sqlite3 *db, int caseSensitive) ** pExpr points to an expression which implements a function. If ** it is appropriate to apply the LIKE optimization to that function ** then set aWc[0] through aWc[2] to the wildcard characters and the -** escape character and then return TRUE. If the function is not a +** escape character and then return TRUE. If the function is not a ** LIKE-style function then return FALSE. ** ** The expression "a LIKE b ESCAPE c" is only considered a valid LIKE @@ -115800,9 +118921,22 @@ SQLITE_PRIVATE int sqlite3IsLikeFunction(sqlite3 *db, Expr *pExpr, int *pIsNocas assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); nExpr = pExpr->x.pList->nExpr; pDef = sqlite3FindFunction(db, pExpr->u.zToken, nExpr, SQLITE_UTF8, 0); +#ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION + if( pDef==0 ) return 0; +#endif if( NEVER(pDef==0) || (pDef->funcFlags & SQLITE_FUNC_LIKE)==0 ){ return 0; } + + /* The memcpy() statement assumes that the wildcard characters are + ** the first three statements in the compareInfo structure. The + ** asserts() that follow verify that assumption + */ + memcpy(aWc, pDef->pUserData, 3); + assert( (char*)&likeInfoAlt == (char*)&likeInfoAlt.matchAll ); + assert( &((char*)&likeInfoAlt)[1] == (char*)&likeInfoAlt.matchOne ); + assert( &((char*)&likeInfoAlt)[2] == (char*)&likeInfoAlt.matchSet ); + if( nExpr<3 ){ aWc[3] = 0; }else{ @@ -115811,17 +118945,11 @@ SQLITE_PRIVATE int sqlite3IsLikeFunction(sqlite3 *db, Expr *pExpr, int *pIsNocas if( pEscape->op!=TK_STRING ) return 0; zEscape = pEscape->u.zToken; if( zEscape[0]==0 || zEscape[1]!=0 ) return 0; + if( zEscape[0]==aWc[0] ) return 0; + if( zEscape[0]==aWc[1] ) return 0; aWc[3] = zEscape[0]; } - /* The memcpy() statement assumes that the wildcard characters are - ** the first three statements in the compareInfo structure. The - ** asserts() that follow verify that assumption - */ - memcpy(aWc, pDef->pUserData, 3); - assert( (char*)&likeInfoAlt == (char*)&likeInfoAlt.matchAll ); - assert( &((char*)&likeInfoAlt)[1] == (char*)&likeInfoAlt.matchOne ); - assert( &((char*)&likeInfoAlt)[2] == (char*)&likeInfoAlt.matchSet ); *pIsNocase = (pDef->funcFlags & SQLITE_FUNC_CASE)==0; return 1; } @@ -115845,12 +118973,20 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ ** For peak efficiency, put the most frequently used function last. */ static FuncDef aBuiltinFunc[] = { +/***** Functions only available with SQLITE_TESTCTRL_INTERNAL_FUNCTIONS *****/ + TEST_FUNC(implies_nonnull_row, 2, INLINEFUNC_implies_nonnull_row, 0), + TEST_FUNC(expr_compare, 2, INLINEFUNC_expr_compare, 0), + TEST_FUNC(expr_implies_expr, 2, INLINEFUNC_expr_implies_expr, 0), +#ifdef SQLITE_DEBUG + TEST_FUNC(affinity, 1, INLINEFUNC_affinity, 0), +#endif +/***** Regular functions *****/ #ifdef SQLITE_SOUNDEX FUNCTION(soundex, 1, 0, 0, soundexFunc ), #endif #ifndef SQLITE_OMIT_LOAD_EXTENSION - VFUNCTION(load_extension, 1, 0, 0, loadExt ), - VFUNCTION(load_extension, 2, 0, 0, loadExt ), + SFUNCTION(load_extension, 1, 0, 0, loadExt ), + SFUNCTION(load_extension, 2, 0, 0, loadExt ), #endif #if SQLITE_USER_AUTHENTICATION FUNCTION(sqlite_crypt, 2, 0, 0, sqlite3CryptFunc ), @@ -115859,12 +118995,9 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ DFUNCTION(sqlite_compileoption_used,1, 0, 0, compileoptionusedFunc ), DFUNCTION(sqlite_compileoption_get, 1, 0, 0, compileoptiongetFunc ), #endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */ - FUNCTION2(unlikely, 1, 0, 0, noopFunc, SQLITE_FUNC_UNLIKELY), - FUNCTION2(likelihood, 2, 0, 0, noopFunc, SQLITE_FUNC_UNLIKELY), - FUNCTION2(likely, 1, 0, 0, noopFunc, SQLITE_FUNC_UNLIKELY), -#ifdef SQLITE_DEBUG - FUNCTION2(affinity, 1, 0, 0, noopFunc, SQLITE_FUNC_AFFINITY), -#endif + INLINE_FUNC(unlikely, 1, INLINEFUNC_unlikely, SQLITE_FUNC_UNLIKELY), + INLINE_FUNC(likelihood, 2, INLINEFUNC_unlikely, SQLITE_FUNC_UNLIKELY), + INLINE_FUNC(likely, 1, INLINEFUNC_unlikely, SQLITE_FUNC_UNLIKELY), #ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC FUNCTION2(sqlite_offset, 1, 0, 0, noopFunc, SQLITE_FUNC_OFFSET| SQLITE_FUNC_TYPEOF), @@ -115897,7 +119030,7 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ FUNCTION(upper, 1, 0, 0, upperFunc ), FUNCTION(lower, 1, 0, 0, lowerFunc ), FUNCTION(hex, 1, 0, 0, hexFunc ), - FUNCTION2(ifnull, 2, 0, 0, noopFunc, SQLITE_FUNC_COALESCE), + INLINE_FUNC(ifnull, 2, INLINEFUNC_coalesce, 0 ), VFUNCTION(random, 0, 0, 0, randomFunc ), VFUNCTION(randomblob, 1, 0, 0, randomBlob ), FUNCTION(nullif, 2, 0, 1, nullifFunc ), @@ -115915,15 +119048,15 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ WAGGREGATE(sum, 1,0,0, sumStep, sumFinalize, sumFinalize, sumInverse, 0), WAGGREGATE(total, 1,0,0, sumStep,totalFinalize,totalFinalize,sumInverse, 0), WAGGREGATE(avg, 1,0,0, sumStep, avgFinalize, avgFinalize, sumInverse, 0), - WAGGREGATE(count, 0,0,0, countStep, + WAGGREGATE(count, 0,0,0, countStep, countFinalize, countFinalize, countInverse, SQLITE_FUNC_COUNT ), - WAGGREGATE(count, 1,0,0, countStep, + WAGGREGATE(count, 1,0,0, countStep, countFinalize, countFinalize, countInverse, 0 ), - WAGGREGATE(group_concat, 1, 0, 0, groupConcatStep, + WAGGREGATE(group_concat, 1, 0, 0, groupConcatStep, groupConcatFinalize, groupConcatValue, groupConcatInverse, 0), - WAGGREGATE(group_concat, 2, 0, 0, groupConcatStep, + WAGGREGATE(group_concat, 2, 0, 0, groupConcatStep, groupConcatFinalize, groupConcatValue, groupConcatInverse, 0), - + LIKEFUNC(glob, 2, &globInfo, SQLITE_FUNC_LIKE|SQLITE_FUNC_CASE), #ifdef SQLITE_CASE_SENSITIVE_LIKE LIKEFUNC(like, 2, &likeInfoAlt, SQLITE_FUNC_LIKE|SQLITE_FUNC_CASE), @@ -115937,7 +119070,8 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ #endif FUNCTION(coalesce, 1, 0, 0, 0 ), FUNCTION(coalesce, 0, 0, 0, 0 ), - FUNCTION2(coalesce, -1, 0, 0, noopFunc, SQLITE_FUNC_COALESCE), + INLINE_FUNC(coalesce, -1, INLINEFUNC_coalesce, 0 ), + INLINE_FUNC(iif, 3, INLINEFUNC_iif, 0 ), }; #ifndef SQLITE_OMIT_ALTERTABLE sqlite3AlterFunctions(); @@ -115990,25 +119124,25 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ ** Foreign keys in SQLite come in two flavours: deferred and immediate. ** If an immediate foreign key constraint is violated, ** SQLITE_CONSTRAINT_FOREIGNKEY is returned and the current -** statement transaction rolled back. If a -** deferred foreign key constraint is violated, no action is taken -** immediately. However if the application attempts to commit the +** statement transaction rolled back. If a +** deferred foreign key constraint is violated, no action is taken +** immediately. However if the application attempts to commit the ** transaction before fixing the constraint violation, the attempt fails. ** ** Deferred constraints are implemented using a simple counter associated -** with the database handle. The counter is set to zero each time a -** database transaction is opened. Each time a statement is executed +** with the database handle. The counter is set to zero each time a +** database transaction is opened. Each time a statement is executed ** that causes a foreign key violation, the counter is incremented. Each ** time a statement is executed that removes an existing violation from ** the database, the counter is decremented. When the transaction is ** committed, the commit fails if the current value of the counter is ** greater than zero. This scheme has two big drawbacks: ** -** * When a commit fails due to a deferred foreign key constraint, +** * When a commit fails due to a deferred foreign key constraint, ** there is no way to tell which foreign constraint is not satisfied, ** or which row it is not satisfied for. ** -** * If the database contains foreign key violations when the +** * If the database contains foreign key violations when the ** transaction is opened, this may cause the mechanism to malfunction. ** ** Despite these problems, this approach is adopted as it seems simpler @@ -116020,26 +119154,26 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ ** the parent table for a match. If none is found increment the ** constraint counter. ** -** I.2) For each FK for which the table is the parent table, +** I.2) For each FK for which the table is the parent table, ** search the child table for rows that correspond to the new ** row in the parent table. Decrement the counter for each row ** found (as the constraint is now satisfied). ** ** DELETE operations: ** -** D.1) For each FK for which the table is the child table, -** search the parent table for a row that corresponds to the -** deleted row in the child table. If such a row is not found, +** D.1) For each FK for which the table is the child table, +** search the parent table for a row that corresponds to the +** deleted row in the child table. If such a row is not found, ** decrement the counter. ** -** D.2) For each FK for which the table is the parent table, search -** the child table for rows that correspond to the deleted row +** D.2) For each FK for which the table is the parent table, search +** the child table for rows that correspond to the deleted row ** in the parent table. For each found increment the counter. ** ** UPDATE operations: ** ** An UPDATE command requires that all 4 steps above are taken, but only -** for FK constraints for which the affected columns are actually +** for FK constraints for which the affected columns are actually ** modified (values must be compared at runtime). ** ** Note that I.1 and D.1 are very similar operations, as are I.2 and D.2. @@ -116048,10 +119182,10 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ ** For the purposes of immediate FK constraints, the OR REPLACE conflict ** resolution is considered to delete rows before the new row is inserted. ** If a delete caused by OR REPLACE violates an FK constraint, an exception -** is thrown, even if the FK constraint would be satisfied after the new +** is thrown, even if the FK constraint would be satisfied after the new ** row is inserted. ** -** Immediate constraints are usually handled similarly. The only difference +** Immediate constraints are usually handled similarly. The only difference ** is that the counter used is stored as part of each individual statement ** object (struct Vdbe). If, after the statement has run, its immediate ** constraint counter is greater than zero, @@ -116062,7 +119196,7 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ ** INSERT violates a foreign key constraint. This is necessary as such ** an INSERT does not open a statement transaction. ** -** TODO: How should dropping a table be handled? How should renaming a +** TODO: How should dropping a table be handled? How should renaming a ** table be handled? ** ** @@ -116073,7 +119207,7 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ ** for those two operations needs to know whether or not the operation ** requires any FK processing and, if so, which columns of the original ** row are required by the FK processing VDBE code (i.e. if FKs were -** implemented using triggers, which of the old.* columns would be +** implemented using triggers, which of the old.* columns would be ** accessed). No information is required by the code-generator before ** coding an INSERT operation. The functions used by the UPDATE/DELETE ** generation code to query for this information are: @@ -116110,13 +119244,13 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ /* ** A foreign key constraint requires that the key columns in the parent ** table are collectively subject to a UNIQUE or PRIMARY KEY constraint. -** Given that pParent is the parent table for foreign key constraint pFKey, -** search the schema for a unique index on the parent key columns. +** Given that pParent is the parent table for foreign key constraint pFKey, +** search the schema for a unique index on the parent key columns. +** +** If successful, zero is returned. If the parent key is an INTEGER PRIMARY +** KEY column, then output variable *ppIdx is set to NULL. Otherwise, *ppIdx +** is set to point to the unique index. ** -** If successful, zero is returned. If the parent key is an INTEGER PRIMARY -** KEY column, then output variable *ppIdx is set to NULL. Otherwise, *ppIdx -** is set to point to the unique index. -** ** If the parent key consists of a single column (the foreign key constraint ** is not a composite foreign key), output variable *paiCol is set to NULL. ** Otherwise, it is set to point to an allocated array of size N, where @@ -116139,8 +119273,8 @@ SQLITE_PRIVATE void sqlite3RegisterBuiltinFunctions(void){ ** PRIMARY KEY, or ** ** 4) No parent key columns were provided explicitly as part of the -** foreign key definition, and the PRIMARY KEY of the parent table -** consists of a different number of columns to the child key in +** foreign key definition, and the PRIMARY KEY of the parent table +** consists of a different number of columns to the child key in ** the child table. ** ** then non-zero is returned, and a "foreign key mismatch" error loaded @@ -116164,9 +119298,9 @@ SQLITE_PRIVATE int sqlite3FkLocateIndex( assert( !paiCol || *paiCol==0 ); assert( pParse ); - /* If this is a non-composite (single column) foreign key, check if it - ** maps to the INTEGER PRIMARY KEY of table pParent. If so, leave *ppIdx - ** and *paiCol set to zero and return early. + /* If this is a non-composite (single column) foreign key, check if it + ** maps to the INTEGER PRIMARY KEY of table pParent. If so, leave *ppIdx + ** and *paiCol set to zero and return early. ** ** Otherwise, for a composite foreign key (more than one column), allocate ** space for the aiCol array (returned via output parameter *paiCol). @@ -116175,7 +119309,7 @@ SQLITE_PRIVATE int sqlite3FkLocateIndex( if( nCol==1 ){ /* The FK maps to the IPK if any of the following are true: ** - ** 1) There is an INTEGER PRIMARY KEY column and the FK is implicitly + ** 1) There is an INTEGER PRIMARY KEY column and the FK is implicitly ** mapped to the primary key of table pParent, or ** 2) The FK is explicitly mapped to a column declared as INTEGER ** PRIMARY KEY. @@ -116192,14 +119326,14 @@ SQLITE_PRIVATE int sqlite3FkLocateIndex( } for(pIdx=pParent->pIndex; pIdx; pIdx=pIdx->pNext){ - if( pIdx->nKeyCol==nCol && IsUniqueIndex(pIdx) && pIdx->pPartIdxWhere==0 ){ + if( pIdx->nKeyCol==nCol && IsUniqueIndex(pIdx) && pIdx->pPartIdxWhere==0 ){ /* pIdx is a UNIQUE index (or a PRIMARY KEY) and has the right number ** of columns. If each indexed column corresponds to a foreign key ** column of pFKey, then this index is a winner. */ if( zKey==0 ){ - /* If zKey is NULL, then this foreign key is implicitly mapped to - ** the PRIMARY KEY of table pParent. The PRIMARY KEY index may be + /* If zKey is NULL, then this foreign key is implicitly mapped to + ** the PRIMARY KEY of table pParent. The PRIMARY KEY index may be ** identified by the test. */ if( IsPrimaryKeyIndex(pIdx) ){ if( aiCol ){ @@ -116257,15 +119391,15 @@ SQLITE_PRIVATE int sqlite3FkLocateIndex( } /* -** This function is called when a row is inserted into or deleted from the -** child table of foreign key constraint pFKey. If an SQL UPDATE is executed +** This function is called when a row is inserted into or deleted from the +** child table of foreign key constraint pFKey. If an SQL UPDATE is executed ** on the child table of pFKey, this function is invoked twice for each row ** affected - once to "delete" the old row, and then again to "insert" the ** new row. ** ** Each time it is called, this function generates VDBE code to locate the -** row in the parent table that corresponds to the row being inserted into -** or deleted from the child table. If the parent row can be found, no +** row in the parent table that corresponds to the row being inserted into +** or deleted from the child table. If the parent row can be found, no ** special action is taken. Otherwise, if the parent row can *not* be ** found in the parent table: ** @@ -116279,7 +119413,7 @@ SQLITE_PRIVATE int sqlite3FkLocateIndex( ** ** DELETE deferred Decrement the "deferred constraint counter". ** -** These operations are identified in the comment at the top of this file +** These operations are identified in the comment at the top of this file ** (fkey.c) as "I.1" and "D.1". */ static void fkLookupParent( @@ -116301,22 +119435,22 @@ static void fkLookupParent( sqlite3VdbeVerifyAbortable(v, (!pFKey->isDeferred && !(pParse->db->flags & SQLITE_DeferFKs) - && !pParse->pToplevel + && !pParse->pToplevel && !pParse->isMultiWrite) ? OE_Abort : OE_Ignore); /* If nIncr is less than zero, then check at runtime if there are any ** outstanding constraints to resolve. If there are not, there is no need ** to check if deleting this row resolves any outstanding violations. ** - ** Check if any of the key columns in the child table row are NULL. If - ** any are, then the constraint is considered satisfied. No need to + ** Check if any of the key columns in the child table row are NULL. If + ** any are, then the constraint is considered satisfied. No need to ** search for a matching row in the parent table. */ if( nIncr<0 ){ sqlite3VdbeAddOp2(v, OP_FkIfZero, pFKey->isDeferred, iOk); VdbeCoverage(v); } for(i=0; i<pFKey->nCol; i++){ - int iReg = aiCol[i] + regData + 1; + int iReg = sqlite3TableColumnToStorage(pFKey->pFrom,aiCol[i]) + regData + 1; sqlite3VdbeAddOp2(v, OP_IsNull, iReg, iOk); VdbeCoverage(v); } @@ -116326,16 +119460,17 @@ static void fkLookupParent( ** column of the parent table (table pTab). */ int iMustBeInt; /* Address of MustBeInt instruction */ int regTemp = sqlite3GetTempReg(pParse); - - /* Invoke MustBeInt to coerce the child key value to an integer (i.e. + + /* Invoke MustBeInt to coerce the child key value to an integer (i.e. ** apply the affinity of the parent key). If this fails, then there ** is no matching parent key. Before using MustBeInt, make a copy of ** the value. Otherwise, the value inserted into the child key column ** will have INTEGER affinity applied to it, which may not be correct. */ - sqlite3VdbeAddOp2(v, OP_SCopy, aiCol[0]+1+regData, regTemp); + sqlite3VdbeAddOp2(v, OP_SCopy, + sqlite3TableColumnToStorage(pFKey->pFrom,aiCol[0])+1+regData, regTemp); iMustBeInt = sqlite3VdbeAddOp2(v, OP_MustBeInt, regTemp, 0); VdbeCoverage(v); - + /* If the parent table is the same as the child table, and we are about ** to increment the constraint-counter (i.e. this is an INSERT operation), ** then check if the row being inserted matches itself. If so, do not @@ -116344,7 +119479,7 @@ static void fkLookupParent( sqlite3VdbeAddOp3(v, OP_Eq, regData, iOk, regTemp); VdbeCoverage(v); sqlite3VdbeChangeP5(v, SQLITE_NOTNULL); } - + sqlite3OpenTable(pParse, iCur, iDb, pTab, OP_OpenRead); sqlite3VdbeAddOp3(v, OP_NotExists, iCur, 0, regTemp); VdbeCoverage(v); sqlite3VdbeGoto(v, iOk); @@ -116355,19 +119490,21 @@ static void fkLookupParent( int nCol = pFKey->nCol; int regTemp = sqlite3GetTempRange(pParse, nCol); int regRec = sqlite3GetTempReg(pParse); - + sqlite3VdbeAddOp3(v, OP_OpenRead, iCur, pIdx->tnum, iDb); sqlite3VdbeSetP4KeyInfo(pParse, pIdx); for(i=0; i<nCol; i++){ - sqlite3VdbeAddOp2(v, OP_Copy, aiCol[i]+1+regData, regTemp+i); + sqlite3VdbeAddOp2(v, OP_Copy, + sqlite3TableColumnToStorage(pFKey->pFrom, aiCol[i])+1+regData, + regTemp+i); } - + /* If the parent table is the same as the child table, and we are about ** to increment the constraint-counter (i.e. this is an INSERT operation), ** then check if the row being inserted matches itself. If so, do not - ** increment the constraint-counter. + ** increment the constraint-counter. ** - ** If any of the parent-key values are NULL, then the row cannot match + ** If any of the parent-key values are NULL, then the row cannot match ** itself. So set JUMPIFNULL to make sure we do the OP_Found if any ** of the parent-key values are NULL (at this point it is known that ** none of the child key values are). @@ -116375,8 +119512,11 @@ static void fkLookupParent( if( pTab==pFKey->pFrom && nIncr==1 ){ int iJump = sqlite3VdbeCurrentAddr(v) + nCol + 1; for(i=0; i<nCol; i++){ - int iChild = aiCol[i]+1+regData; - int iParent = pIdx->aiColumn[i]+1+regData; + int iChild = sqlite3TableColumnToStorage(pFKey->pFrom,aiCol[i]) + +1+regData; + int iParent = 1+regData; + iParent += sqlite3TableColumnToStorage(pIdx->pTable, + pIdx->aiColumn[i]); assert( pIdx->aiColumn[i]>=0 ); assert( aiCol[i]!=pTab->iPKey ); if( pIdx->aiColumn[i]==pTab->iPKey ){ @@ -116388,19 +119528,19 @@ static void fkLookupParent( } sqlite3VdbeGoto(v, iOk); } - + sqlite3VdbeAddOp4(v, OP_MakeRecord, regTemp, nCol, regRec, sqlite3IndexAffinityStr(pParse->db,pIdx), nCol); sqlite3VdbeAddOp4Int(v, OP_Found, iCur, iOk, regRec, 0); VdbeCoverage(v); - + sqlite3ReleaseTempReg(pParse, regRec); sqlite3ReleaseTempRange(pParse, regTemp, nCol); } } if( !pFKey->isDeferred && !(pParse->db->flags & SQLITE_DeferFKs) - && !pParse->pToplevel - && !pParse->isMultiWrite + && !pParse->pToplevel + && !pParse->isMultiWrite ){ /* Special case: If this is an INSERT statement that will insert exactly ** one row into the table, raise a constraint immediately instead of @@ -116444,7 +119584,7 @@ static Expr *exprTableRegister( if( pExpr ){ if( iCol>=0 && iCol!=pTab->iPKey ){ pCol = &pTab->aCol[iCol]; - pExpr->iTable = regBase + iCol + 1; + pExpr->iTable = regBase + sqlite3TableColumnToStorage(pTab,iCol) + 1; pExpr->affExpr = pCol->affinity; zColl = pCol->zColl; if( zColl==0 ) zColl = db->pDfltColl->zName; @@ -116478,7 +119618,7 @@ static Expr *exprTableColumn( /* ** This function is called to generate code executed when a row is deleted -** from the parent table of foreign key constraint pFKey and, if pFKey is +** from the parent table of foreign key constraint pFKey and, if pFKey is ** deferred, when a row is inserted into the same table. When generating ** code for an SQL UPDATE operation, this function may be called twice - ** once to "delete" the old row and once to "insert" the new row. @@ -116505,7 +119645,7 @@ static Expr *exprTableColumn( ** ** INSERT deferred Decrement the "deferred constraint counter". ** -** These operations are identified in the comment at the top of this file +** These operations are identified in the comment at the top of this file ** (fkey.c) as "I.2" and "D.2". */ static void fkScanChildren( @@ -116548,7 +119688,7 @@ static void fkScanChildren( Expr *pLeft; /* Value from parent table row */ Expr *pRight; /* Column ref to child table */ Expr *pEq; /* Expression (pLeft = pRight) */ - i16 iCol; /* Index of column in child table */ + i16 iCol; /* Index of column in child table */ const char *zCol; /* Name of column in child table */ iCol = pIdx ? pIdx->aiColumn[i] : -1; @@ -116570,7 +119710,7 @@ static void fkScanChildren( ** ** The first form is used for rowid tables. The second form is used ** for WITHOUT ROWID tables. In the second form, the *parent* key is - ** (a,b,...). Either the parent or primary key could be used to + ** (a,b,...). Either the parent or primary key could be used to ** uniquely identify the current row, but the parent key is more convenient ** as the required values have already been loaded into registers ** by the caller. @@ -116619,7 +119759,7 @@ static void fkScanChildren( /* Clean up the WHERE clause constructed above. */ sqlite3ExprDelete(db, pWhere); if( iFkIfZero ){ - sqlite3VdbeJumpHere(v, iFkIfZero); + sqlite3VdbeJumpHereOrPopInst(v, iFkIfZero); } } @@ -116642,7 +119782,7 @@ SQLITE_PRIVATE FKey *sqlite3FkReferences(Table *pTab){ } /* -** The second argument is a Trigger structure allocated by the +** The second argument is a Trigger structure allocated by the ** fkActionTrigger() routine. This function deletes the Trigger structure ** and all of its sub-components. ** @@ -116670,7 +119810,7 @@ static void fkTriggerDelete(sqlite3 *dbMem, Trigger *p){ ** ** (a) The table is the parent table of a FK constraint, or ** (b) The table is the child table of a deferred FK constraint and it is -** determined at runtime that there are outstanding deferred FK +** determined at runtime that there are outstanding deferred FK ** constraint violations in the database, ** ** then the equivalent of "DELETE FROM <tbl>" is executed before dropping @@ -116687,7 +119827,7 @@ SQLITE_PRIVATE void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTa assert( pTab->pSelect==0 ); /* Not a view */ if( sqlite3FkReferences(pTab)==0 ){ /* Search for a deferred foreign key constraint for which this table - ** is the child table. If one cannot be found, return without + ** is the child table. If one cannot be found, return without ** generating any VDBE code. If one can be found, then jump over ** the entire DELETE if there are no outstanding deferred constraints ** when this statement is run. */ @@ -116704,10 +119844,10 @@ SQLITE_PRIVATE void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTa sqlite3DeleteFrom(pParse, sqlite3SrcListDup(db, pName, 0), 0, 0, 0); pParse->disableTriggers = 0; - /* If the DELETE has generated immediate foreign key constraint + /* If the DELETE has generated immediate foreign key constraint ** violations, halt the VDBE and return an error at this point, before ** any modifications to the schema are made. This is because statement - ** transactions are not able to rollback schema changes. + ** transactions are not able to rollback schema changes. ** ** If the SQLITE_DeferFKs flag is set, then this is not required, as ** the statement transaction will not be rolled back even if FK @@ -116731,7 +119871,7 @@ SQLITE_PRIVATE void sqlite3FkDropTable(Parse *pParse, SrcList *pName, Table *pTa /* ** The second argument points to an FKey object representing a foreign key ** for which pTab is the child table. An UPDATE statement against pTab -** is currently being processed. For each column of the table that is +** is currently being processed. For each column of the table that is ** actually updated, the corresponding element in the aChange[] array ** is zero or greater (if a column is unmodified the corresponding element ** is set to -1). If the rowid column is modified by the UPDATE statement @@ -116758,7 +119898,7 @@ static int fkChildIsModified( /* ** The second argument points to an FKey object representing a foreign key ** for which pTab is the parent table. An UPDATE statement against pTab -** is currently being processed. For each column of the table that is +** is currently being processed. For each column of the table that is ** actually updated, the corresponding element in the aChange[] array ** is zero or greater (if a column is unmodified the corresponding element ** is set to -1). If the rowid column is modified by the UPDATE statement @@ -116768,9 +119908,9 @@ static int fkChildIsModified( ** parent key for FK constraint *p are modified. */ static int fkParentIsModified( - Table *pTab, - FKey *p, - int *aChange, + Table *pTab, + FKey *p, + int *aChange, int bChngRowid ){ int i; @@ -116811,7 +119951,7 @@ static int isSetNullAction(Parse *pParse, FKey *pFKey){ /* ** This function is called when inserting, deleting or updating a row of -** table pTab to generate VDBE code to perform foreign key constraint +** table pTab to generate VDBE code to perform foreign key constraint ** processing for the operation. ** ** For a DELETE operation, parameter regOld is passed the index of the @@ -116827,11 +119967,11 @@ static int isSetNullAction(Parse *pParse, FKey *pFKey){ ** For an UPDATE operation, this function is called twice. Once before ** the original record is deleted from the table using the calling convention ** described for DELETE. Then again after the original record is deleted -** but before the new record is inserted using the INSERT convention. +** but before the new record is inserted using the INSERT convention. */ SQLITE_PRIVATE void sqlite3FkCheck( Parse *pParse, /* Parse context */ - Table *pTab, /* Row is being deleted from this table */ + Table *pTab, /* Row is being deleted from this table */ int regOld, /* Previous row data is stored here */ int regNew, /* New row data is stored here */ int *aChange, /* Array indicating UPDATEd columns (or 0) */ @@ -116863,16 +120003,16 @@ SQLITE_PRIVATE void sqlite3FkCheck( int i; int bIgnore = 0; - if( aChange + if( aChange && sqlite3_stricmp(pTab->zName, pFKey->zTo)!=0 - && fkChildIsModified(pTab, pFKey, aChange, bChngRowid)==0 + && fkChildIsModified(pTab, pFKey, aChange, bChngRowid)==0 ){ continue; } - /* Find the parent table of this foreign key. Also find a unique index - ** on the parent key columns in the parent table. If either of these - ** schema items cannot be located, set an error in pParse and return + /* Find the parent table of this foreign key. Also find a unique index + ** on the parent key columns in the parent table. If either of these + ** schema items cannot be located, set an error in pParse and return ** early. */ if( pParse->disableTriggers ){ pTo = sqlite3FindTable(db, pFKey->zTo, zDb); @@ -116893,7 +120033,9 @@ SQLITE_PRIVATE void sqlite3FkCheck( Vdbe *v = sqlite3GetVdbe(pParse); int iJump = sqlite3VdbeCurrentAddr(v) + pFKey->nCol + 1; for(i=0; i<pFKey->nCol; i++){ - int iReg = pFKey->aCol[i].iFrom + regOld + 1; + int iFromCol, iReg; + iFromCol = pFKey->aCol[i].iFrom; + iReg = sqlite3TableColumnToStorage(pFKey->pFrom,iFromCol) + regOld+1; sqlite3VdbeAddOp2(v, OP_IsNull, iReg, iJump); VdbeCoverage(v); } sqlite3VdbeAddOp2(v, OP_FkCounter, pFKey->isDeferred, -1); @@ -116914,7 +120056,7 @@ SQLITE_PRIVATE void sqlite3FkCheck( } assert( pIdx==0 || pIdx->aiColumn[i]>=0 ); #ifndef SQLITE_OMIT_AUTHORIZATION - /* Request permission to read the parent key columns. If the + /* Request permission to read the parent key columns. If the ** authorization callback returns SQLITE_IGNORE, behave as if any ** values read from the parent table are NULL. */ if( db->xAuth ){ @@ -116926,24 +120068,24 @@ SQLITE_PRIVATE void sqlite3FkCheck( #endif } - /* Take a shared-cache advisory read-lock on the parent table. Allocate - ** a cursor to use to search the unique index on the parent key columns + /* Take a shared-cache advisory read-lock on the parent table. Allocate + ** a cursor to use to search the unique index on the parent key columns ** in the parent table. */ sqlite3TableLock(pParse, iDb, pTo->tnum, 0, pTo->zName); pParse->nTab++; if( regOld!=0 ){ /* A row is being removed from the child table. Search for the parent. - ** If the parent does not exist, removing the child row resolves an + ** If the parent does not exist, removing the child row resolves an ** outstanding foreign key constraint violation. */ fkLookupParent(pParse, iDb, pTo, pIdx, pFKey, aiCol, regOld, -1, bIgnore); } if( regNew!=0 && !isSetNullAction(pParse, pFKey) ){ /* A row is being added to the child table. If a parent row cannot - ** be found, adding the child row has violated the FK constraint. + ** be found, adding the child row has violated the FK constraint. ** ** If this operation is being performed as part of a trigger program - ** that is actually a "SET NULL" action belonging to this very + ** that is actually a "SET NULL" action belonging to this very ** foreign key, then omit this scan altogether. As all child key ** values are guaranteed to be NULL, it is not possible for adding ** this row to cause an FK violation. */ @@ -116964,8 +120106,8 @@ SQLITE_PRIVATE void sqlite3FkCheck( continue; } - if( !pFKey->isDeferred && !(db->flags & SQLITE_DeferFKs) - && !pParse->pToplevel && !pParse->isMultiWrite + if( !pFKey->isDeferred && !(db->flags & SQLITE_DeferFKs) + && !pParse->pToplevel && !pParse->isMultiWrite ){ assert( regOld==0 && regNew!=0 ); /* Inserting a single row into a parent table cannot cause (or fix) @@ -116988,7 +120130,7 @@ SQLITE_PRIVATE void sqlite3FkCheck( pItem->zName = pFKey->pFrom->zName; pItem->pTab->nTabRef++; pItem->iCursor = pParse->nTab++; - + if( regNew!=0 ){ fkScanChildren(pParse, pSrc, pTab, pIdx, pFKey, aiCol, regNew, -1); } @@ -117007,10 +120149,10 @@ SQLITE_PRIVATE void sqlite3FkCheck( ** ** Note 2: At first glance it may seem like SQLite could simply omit ** all OP_FkCounter related scans when either CASCADE or SET NULL - ** applies. The trouble starts if the CASCADE or SET NULL action - ** trigger causes other triggers or action rules attached to the + ** applies. The trouble starts if the CASCADE or SET NULL action + ** trigger causes other triggers or action rules attached to the ** child table to fire. In these cases the fk constraint counters - ** might be set incorrectly if any OP_FkCounter related scans are + ** might be set incorrectly if any OP_FkCounter related scans are ** omitted. */ if( !pFKey->isDeferred && eAction!=OE_Cascade && eAction!=OE_SetNull ){ sqlite3MayAbort(pParse); @@ -117026,7 +120168,7 @@ SQLITE_PRIVATE void sqlite3FkCheck( #define COLUMN_MASK(x) (((x)>31) ? 0xffffffff : ((u32)1<<(x))) /* -** This function is called before generating code to update or delete a +** This function is called before generating code to update or delete a ** row contained in table pTab. */ SQLITE_PRIVATE u32 sqlite3FkOldmask( @@ -117056,17 +120198,17 @@ SQLITE_PRIVATE u32 sqlite3FkOldmask( /* -** This function is called before generating code to update or delete a +** This function is called before generating code to update or delete a ** row contained in table pTab. If the operation is a DELETE, then ** parameter aChange is passed a NULL value. For an UPDATE, aChange points ** to an array of size N, where N is the number of columns in table pTab. -** If the i'th column is not modified by the UPDATE, then the corresponding +** If the i'th column is not modified by the UPDATE, then the corresponding ** entry in the aChange[] array is set to -1. If the column is modified, ** the value is 0 or greater. Parameter chngRowid is set to true if the ** UPDATE statement modifies the rowid fields of the table. ** ** If any foreign key processing will be required, this function returns -** non-zero. If there is no foreign key related processing, this function +** non-zero. If there is no foreign key related processing, this function ** returns zero. ** ** For an UPDATE, this function returns 2 if: @@ -117086,8 +120228,8 @@ SQLITE_PRIVATE int sqlite3FkRequired( int eRet = 0; if( pParse->db->flags&SQLITE_ForeignKeys ){ if( !aChange ){ - /* A DELETE operation. Foreign key processing is required if the - ** table in question is either the child or parent table for any + /* A DELETE operation. Foreign key processing is required if the + ** table in question is either the child or parent table for any ** foreign key constraint. */ eRet = (sqlite3FkReferences(pTab) || pTab->pFKey); }else{ @@ -117116,7 +120258,7 @@ SQLITE_PRIVATE int sqlite3FkRequired( } /* -** This function is called when an UPDATE or DELETE operation is being +** This function is called when an UPDATE or DELETE operation is being ** compiled on table pTab, which is the parent table of foreign-key pFKey. ** If the current operation is an UPDATE, then the pChanges parameter is ** passed a pointer to the list of columns being modified. If it is a @@ -117128,7 +120270,7 @@ SQLITE_PRIVATE int sqlite3FkRequired( ** returned (these actions require no special handling by the triggers ** sub-system, code for them is created by fkScanChildren()). ** -** For example, if pFKey is the foreign key and pTab is table "p" in +** For example, if pFKey is the foreign key and pTab is table "p" in ** the following schema: ** ** CREATE TABLE p(pk PRIMARY KEY); @@ -117141,7 +120283,7 @@ SQLITE_PRIVATE int sqlite3FkRequired( ** END; ** ** The returned pointer is cached as part of the foreign key object. It -** is eventually freed along with the rest of the foreign key object by +** is eventually freed along with the rest of the foreign key object by ** sqlite3FkDelete(). */ static Trigger *fkActionTrigger( @@ -117197,7 +120339,7 @@ static Trigger *fkActionTrigger( ** that the affinity and collation sequence associated with the ** parent table are used for the comparison. */ pEq = sqlite3PExpr(pParse, TK_EQ, - sqlite3PExpr(pParse, TK_DOT, + sqlite3PExpr(pParse, TK_DOT, sqlite3ExprAlloc(db, TK_ID, &tOld, 0), sqlite3ExprAlloc(db, TK_ID, &tToCol, 0)), sqlite3ExprAlloc(db, TK_ID, &tFromCol, 0) @@ -117211,24 +120353,32 @@ static Trigger *fkActionTrigger( */ if( pChanges ){ pEq = sqlite3PExpr(pParse, TK_IS, - sqlite3PExpr(pParse, TK_DOT, + sqlite3PExpr(pParse, TK_DOT, sqlite3ExprAlloc(db, TK_ID, &tOld, 0), sqlite3ExprAlloc(db, TK_ID, &tToCol, 0)), - sqlite3PExpr(pParse, TK_DOT, + sqlite3PExpr(pParse, TK_DOT, sqlite3ExprAlloc(db, TK_ID, &tNew, 0), sqlite3ExprAlloc(db, TK_ID, &tToCol, 0)) ); pWhen = sqlite3ExprAnd(pParse, pWhen, pEq); } - + if( action!=OE_Restrict && (action!=OE_Cascade || pChanges) ){ Expr *pNew; if( action==OE_Cascade ){ - pNew = sqlite3PExpr(pParse, TK_DOT, + pNew = sqlite3PExpr(pParse, TK_DOT, sqlite3ExprAlloc(db, TK_ID, &tNew, 0), sqlite3ExprAlloc(db, TK_ID, &tToCol, 0)); }else if( action==OE_SetDflt ){ - Expr *pDflt = pFKey->pFrom->aCol[iFromCol].pDflt; + Column *pCol = pFKey->pFrom->aCol + iFromCol; + Expr *pDflt; + if( pCol->colFlags & COLFLAG_GENERATED ){ + testcase( pCol->colFlags & COLFLAG_VIRTUAL ); + testcase( pCol->colFlags & COLFLAG_STORED ); + pDflt = 0; + }else{ + pDflt = pCol->pDflt; + } if( pDflt ){ pNew = sqlite3ExprDup(db, pDflt, 0); }else{ @@ -117248,7 +120398,7 @@ static Trigger *fkActionTrigger( if( action==OE_Restrict ){ Token tFrom; - Expr *pRaise; + Expr *pRaise; tFrom.z = zFrom; tFrom.n = nFrom; @@ -117256,7 +120406,7 @@ static Trigger *fkActionTrigger( if( pRaise ){ pRaise->affExpr = OE_Abort; } - pSelect = sqlite3SelectNew(pParse, + pSelect = sqlite3SelectNew(pParse, sqlite3ExprListAppend(pParse, 0, pRaise), sqlite3SrcListAppend(pParse, 0, &tFrom, 0), pWhere, @@ -117266,9 +120416,9 @@ static Trigger *fkActionTrigger( } /* Disable lookaside memory allocation */ - db->lookaside.bDisable++; + DisableLookaside; - pTrigger = (Trigger *)sqlite3DbMallocZero(db, + pTrigger = (Trigger *)sqlite3DbMallocZero(db, sizeof(Trigger) + /* struct Trigger */ sizeof(TriggerStep) + /* Single step in trigger program */ nFrom + 1 /* Space for pStep->zTarget */ @@ -117277,7 +120427,7 @@ static Trigger *fkActionTrigger( pStep = pTrigger->step_list = (TriggerStep *)&pTrigger[1]; pStep->zTarget = (char *)&pStep[1]; memcpy((char *)pStep->zTarget, zFrom, nFrom); - + pStep->pWhere = sqlite3ExprDup(db, pWhere, EXPRDUP_REDUCE); pStep->pExprList = sqlite3ExprListDup(db, pList, EXPRDUP_REDUCE); pStep->pSelect = sqlite3SelectDup(db, pSelect, EXPRDUP_REDUCE); @@ -117288,7 +120438,7 @@ static Trigger *fkActionTrigger( } /* Re-enable the lookaside buffer, if it was disabled earlier. */ - db->lookaside.bDisable--; + EnableLookaside; sqlite3ExprDelete(db, pWhere); sqlite3ExprDelete(db, pWhen); @@ -117303,13 +120453,14 @@ static Trigger *fkActionTrigger( switch( action ){ case OE_Restrict: - pStep->op = TK_SELECT; + pStep->op = TK_SELECT; break; - case OE_Cascade: - if( !pChanges ){ - pStep->op = TK_DELETE; - break; + case OE_Cascade: + if( !pChanges ){ + pStep->op = TK_DELETE; + break; } + /* no break */ deliberate_fall_through default: pStep->op = TK_UPDATE; } @@ -117335,9 +120486,9 @@ SQLITE_PRIVATE void sqlite3FkActions( int *aChange, /* Array indicating UPDATEd columns (or 0) */ int bChngRowid /* True if rowid is UPDATEd */ ){ - /* If foreign-key support is enabled, iterate through all FKs that - ** refer to table pTab. If there is an action associated with the FK - ** for this operation (either update or delete), invoke the associated + /* If foreign-key support is enabled, iterate through all FKs that + ** refer to table pTab. If there is an action associated with the FK + ** for this operation (either update or delete), invoke the associated ** trigger sub-program. */ if( pParse->db->flags&SQLITE_ForeignKeys ){ FKey *pFKey; /* Iterator variable */ @@ -117417,7 +120568,7 @@ SQLITE_PRIVATE void sqlite3FkDelete(sqlite3 *db, Table *pTab){ /* #include "sqliteInt.h" */ /* -** Generate code that will +** Generate code that will ** ** (1) acquire a lock for table pTab then ** (2) open pTab as cursor iCur. @@ -117436,10 +120587,10 @@ SQLITE_PRIVATE void sqlite3OpenTable( assert( !IsVirtual(pTab) ); v = sqlite3GetVdbe(pParse); assert( opcode==OP_OpenWrite || opcode==OP_OpenRead ); - sqlite3TableLock(pParse, iDb, pTab->tnum, + sqlite3TableLock(pParse, iDb, pTab->tnum, (opcode==OP_OpenWrite)?1:0, pTab->zName); if( HasRowid(pTab) ){ - sqlite3VdbeAddOp4Int(v, opcode, iCur, pTab->tnum, iDb, pTab->nCol); + sqlite3VdbeAddOp4Int(v, opcode, iCur, pTab->tnum, iDb, pTab->nNVCol); VdbeComment((v, "%s", pTab->zName)); }else{ Index *pPk = sqlite3PrimaryKeyIndex(pTab); @@ -117453,7 +120604,7 @@ SQLITE_PRIVATE void sqlite3OpenTable( /* ** Return a pointer to the column affinity string associated with index -** pIdx. A column affinity string has one character for each column in +** pIdx. A column affinity string has one character for each column in ** the table, according to the affinity of the column: ** ** Character Column affinity @@ -117506,7 +120657,7 @@ SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3 *db, Index *pIdx){ } pIdx->zColAff[n] = 0; } - + return pIdx->zColAff; } @@ -117531,7 +120682,7 @@ SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3 *db, Index *pIdx){ ** 'E' REAL */ SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe *v, Table *pTab, int iReg){ - int i; + int i, j; char *zColAff = pTab->zColAff; if( zColAff==0 ){ sqlite3 *db = sqlite3VdbeDb(v); @@ -117541,13 +120692,15 @@ SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe *v, Table *pTab, int iReg){ return; } - for(i=0; i<pTab->nCol; i++){ + for(i=j=0; i<pTab->nCol; i++){ assert( pTab->aCol[i].affinity!=0 ); - zColAff[i] = pTab->aCol[i].affinity; + if( (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 ){ + zColAff[j++] = pTab->aCol[i].affinity; + } } do{ - zColAff[i--] = 0; - }while( i>=0 && zColAff[i]<=SQLITE_AFF_BLOB ); + zColAff[j--] = 0; + }while( j>=0 && zColAff[j]<=SQLITE_AFF_BLOB ); pTab->zColAff = zColAff; } assert( zColAff!=0 ); @@ -117563,9 +120716,9 @@ SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe *v, Table *pTab, int iReg){ /* ** Return non-zero if the table pTab in database iDb or any of its indices -** have been opened at any point in the VDBE program. This is used to see if -** a statement of the form "INSERT INTO <iDb, pTab> SELECT ..." can -** run without using a temporary table for the results of the SELECT. +** have been opened at any point in the VDBE program. This is used to see if +** a statement of the form "INSERT INTO <iDb, pTab> SELECT ..." can +** run without using a temporary table for the results of the SELECT. */ static int readsTable(Parse *p, int iDb, Table *pTab){ Vdbe *v = sqlite3GetVdbe(p); @@ -117580,7 +120733,7 @@ static int readsTable(Parse *p, int iDb, Table *pTab){ assert( pOp!=0 ); if( pOp->opcode==OP_OpenRead && pOp->p3==iDb ){ Index *pIndex; - int tnum = pOp->p2; + Pgno tnum = pOp->p2; if( tnum==pTab->tnum ){ return 1; } @@ -117601,6 +120754,119 @@ static int readsTable(Parse *p, int iDb, Table *pTab){ return 0; } +/* This walker callback will compute the union of colFlags flags for all +** referenced columns in a CHECK constraint or generated column expression. +*/ +static int exprColumnFlagUnion(Walker *pWalker, Expr *pExpr){ + if( pExpr->op==TK_COLUMN && pExpr->iColumn>=0 ){ + assert( pExpr->iColumn < pWalker->u.pTab->nCol ); + pWalker->eCode |= pWalker->u.pTab->aCol[pExpr->iColumn].colFlags; + } + return WRC_Continue; +} + +#ifndef SQLITE_OMIT_GENERATED_COLUMNS +/* +** All regular columns for table pTab have been puts into registers +** starting with iRegStore. The registers that correspond to STORED +** or VIRTUAL columns have not yet been initialized. This routine goes +** back and computes the values for those columns based on the previously +** computed normal columns. +*/ +SQLITE_PRIVATE void sqlite3ComputeGeneratedColumns( + Parse *pParse, /* Parsing context */ + int iRegStore, /* Register holding the first column */ + Table *pTab /* The table */ +){ + int i; + Walker w; + Column *pRedo; + int eProgress; + VdbeOp *pOp; + + assert( pTab->tabFlags & TF_HasGenerated ); + testcase( pTab->tabFlags & TF_HasVirtual ); + testcase( pTab->tabFlags & TF_HasStored ); + + /* Before computing generated columns, first go through and make sure + ** that appropriate affinity has been applied to the regular columns + */ + sqlite3TableAffinity(pParse->pVdbe, pTab, iRegStore); + if( (pTab->tabFlags & TF_HasStored)!=0 + && (pOp = sqlite3VdbeGetOp(pParse->pVdbe,-1))->opcode==OP_Affinity + ){ + /* Change the OP_Affinity argument to '@' (NONE) for all stored + ** columns. '@' is the no-op affinity and those columns have not + ** yet been computed. */ + int ii, jj; + char *zP4 = pOp->p4.z; + assert( zP4!=0 ); + assert( pOp->p4type==P4_DYNAMIC ); + for(ii=jj=0; zP4[jj]; ii++){ + if( pTab->aCol[ii].colFlags & COLFLAG_VIRTUAL ){ + continue; + } + if( pTab->aCol[ii].colFlags & COLFLAG_STORED ){ + zP4[jj] = SQLITE_AFF_NONE; + } + jj++; + } + } + + /* Because there can be multiple generated columns that refer to one another, + ** this is a two-pass algorithm. On the first pass, mark all generated + ** columns as "not available". + */ + for(i=0; i<pTab->nCol; i++){ + if( pTab->aCol[i].colFlags & COLFLAG_GENERATED ){ + testcase( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ); + testcase( pTab->aCol[i].colFlags & COLFLAG_STORED ); + pTab->aCol[i].colFlags |= COLFLAG_NOTAVAIL; + } + } + + w.u.pTab = pTab; + w.xExprCallback = exprColumnFlagUnion; + w.xSelectCallback = 0; + w.xSelectCallback2 = 0; + + /* On the second pass, compute the value of each NOT-AVAILABLE column. + ** Companion code in the TK_COLUMN case of sqlite3ExprCodeTarget() will + ** compute dependencies and mark remove the COLSPAN_NOTAVAIL mark, as + ** they are needed. + */ + pParse->iSelfTab = -iRegStore; + do{ + eProgress = 0; + pRedo = 0; + for(i=0; i<pTab->nCol; i++){ + Column *pCol = pTab->aCol + i; + if( (pCol->colFlags & COLFLAG_NOTAVAIL)!=0 ){ + int x; + pCol->colFlags |= COLFLAG_BUSY; + w.eCode = 0; + sqlite3WalkExpr(&w, pCol->pDflt); + pCol->colFlags &= ~COLFLAG_BUSY; + if( w.eCode & COLFLAG_NOTAVAIL ){ + pRedo = pCol; + continue; + } + eProgress = 1; + assert( pCol->colFlags & COLFLAG_GENERATED ); + x = sqlite3TableColumnToStorage(pTab, i) + iRegStore; + sqlite3ExprCodeGeneratedColumn(pParse, pCol, x); + pCol->colFlags &= ~COLFLAG_NOTAVAIL; + } + } + }while( pRedo && eProgress ); + if( pRedo ){ + sqlite3ErrorMsg(pParse, "generated column loop on \"%s\"", pRedo->zName); + } + pParse->iSelfTab = 0; +} +#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ + + #ifndef SQLITE_OMIT_AUTOINCREMENT /* ** Locate or create an AutoincInfo structure associated with table pTab @@ -117672,7 +120938,7 @@ static int autoIncBegin( /* ** This routine generates code that will initialize all of the -** register used by the autoincrement tracker. +** register used by the autoincrement tracker. */ SQLITE_PRIVATE void sqlite3AutoincrementBegin(Parse *pParse){ AutoincInfo *p; /* Information about an AUTOINCREMENT */ @@ -117701,7 +120967,7 @@ SQLITE_PRIVATE void sqlite3AutoincrementBegin(Parse *pParse){ /* 8 */ {OP_Goto, 0, 11, 0}, /* 9 */ {OP_Next, 0, 2, 0}, /* 10 */ {OP_Integer, 0, 0, 0}, - /* 11 */ {OP_Close, 0, 0, 0} + /* 11 */ {OP_Close, 0, 0, 0} }; VdbeOp *aOp; pDb = &db->aDb[p->iDb]; @@ -117908,7 +121174,7 @@ SQLITE_PRIVATE void sqlite3Insert( Parse *pParse, /* Parser context */ SrcList *pTabList, /* Name of table into which we are inserting */ Select *pSelect, /* A SELECT statement to use as the data source */ - IdList *pColumn, /* Column names corresponding to IDLIST. */ + IdList *pColumn, /* Column names corresponding to IDLIST, or NULL. */ int onError, /* How to handle constraint errors */ Upsert *pUpsert /* ON CONFLICT clauses for upsert, or NULL */ ){ @@ -117933,6 +121199,7 @@ SQLITE_PRIVATE void sqlite3Insert( u8 withoutRowid; /* 0 for normal table. 1 for WITHOUT ROWID table */ u8 bIdListInOrder; /* True if IDLIST is in table order */ ExprList *pList = 0; /* List of VALUES() to be inserted */ + int iRegStore; /* Register in which to store next column */ /* Register allocations */ int regFromSelect = 0;/* Base register for data coming from SELECT */ @@ -118040,8 +121307,8 @@ SQLITE_PRIVATE void sqlite3Insert( */ regAutoinc = autoIncBegin(pParse, iDb, pTab); - /* Allocate registers for holding the rowid of the new row, - ** the content of the new row, and the assembled row record. + /* Allocate a block registers to hold the rowid and the values + ** for all columns of the new row. */ regRowid = regIns = pParse->nMem+1; pParse->nMem += pTab->nCol + 1; @@ -118052,7 +121319,7 @@ SQLITE_PRIVATE void sqlite3Insert( regData = regRowid+1; /* If the INSERT statement included an IDLIST term, then make sure - ** all elements of the IDLIST really are columns of the table and + ** all elements of the IDLIST really are columns of the table and ** remember the column indices. ** ** If the table has an INTEGER PRIMARY KEY column and that column @@ -118060,9 +121327,17 @@ SQLITE_PRIVATE void sqlite3Insert( ** the index into IDLIST of the primary key column. ipkColumn is ** the index of the primary key as it appears in IDLIST, not as ** is appears in the original table. (The index of the INTEGER - ** PRIMARY KEY in the original table is pTab->iPKey.) + ** PRIMARY KEY in the original table is pTab->iPKey.) After this + ** loop, if ipkColumn==(-1), that means that integer primary key + ** is unspecified, and hence the table is either WITHOUT ROWID or + ** it will automatically generated an integer primary key. + ** + ** bIdListInOrder is true if the columns in IDLIST are in storage + ** order. This enables an optimization that avoids shuffling the + ** columns into storage order. False negatives are harmless, + ** but false positives will cause database corruption. */ - bIdListInOrder = (pTab->tabFlags & TF_OOOHidden)==0; + bIdListInOrder = (pTab->tabFlags & (TF_OOOHidden|TF_HasStored))==0; if( pColumn ){ for(i=0; i<pColumn->nId; i++){ pColumn->a[i].idx = -1; @@ -118075,6 +121350,14 @@ SQLITE_PRIVATE void sqlite3Insert( if( j==pTab->iPKey ){ ipkColumn = i; assert( !withoutRowid ); } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( pTab->aCol[j].colFlags & (COLFLAG_STORED|COLFLAG_VIRTUAL) ){ + sqlite3ErrorMsg(pParse, + "cannot INSERT into generated column \"%s\"", + pTab->aCol[j].zName); + goto insert_cleanup; + } +#endif break; } } @@ -118124,7 +121407,7 @@ SQLITE_PRIVATE void sqlite3Insert( ** the destination table (template 3). ** ** A temp table must be used if the table being updated is also one - ** of the tables being read by the SELECT statement. Also use a + ** of the tables being read by the SELECT statement. Also use a ** temp table in the case of row triggers. */ if( pTrigger || readsTable(pParse, iDb, pTab) ){ @@ -118160,7 +121443,7 @@ SQLITE_PRIVATE void sqlite3Insert( sqlite3ReleaseTempReg(pParse, regTempRowid); } }else{ - /* This is the case if the data for the INSERT is coming from a + /* This is the case if the data for the INSERT is coming from a ** single-row VALUES clause */ NameContext sNC; @@ -118179,21 +121462,34 @@ SQLITE_PRIVATE void sqlite3Insert( } /* If there is no IDLIST term but the table has an integer primary - ** key, the set the ipkColumn variable to the integer primary key + ** key, the set the ipkColumn variable to the integer primary key ** column index in the original table definition. */ if( pColumn==0 && nColumn>0 ){ ipkColumn = pTab->iPKey; +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( ipkColumn>=0 && (pTab->tabFlags & TF_HasGenerated)!=0 ){ + testcase( pTab->tabFlags & TF_HasVirtual ); + testcase( pTab->tabFlags & TF_HasStored ); + for(i=ipkColumn-1; i>=0; i--){ + if( pTab->aCol[i].colFlags & COLFLAG_GENERATED ){ + testcase( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ); + testcase( pTab->aCol[i].colFlags & COLFLAG_STORED ); + ipkColumn--; + } + } + } +#endif } /* Make sure the number of columns in the source data matches the number ** of columns to be inserted into the table. */ for(i=0; i<pTab->nCol; i++){ - nHidden += (IsHiddenColumn(&pTab->aCol[i]) ? 1 : 0); + if( pTab->aCol[i].colFlags & COLFLAG_NOINSERT ) nHidden++; } if( pColumn==0 && nColumn && nColumn!=(pTab->nCol-nHidden) ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "table %S has %d columns but %d values were supplied", pTabList, 0, pTab->nCol-nHidden, nColumn); goto insert_cleanup; @@ -118202,7 +121498,7 @@ SQLITE_PRIVATE void sqlite3Insert( sqlite3ErrorMsg(pParse, "%d values for %d columns", nColumn, pColumn->nId); goto insert_cleanup; } - + /* Initialize the count of rows to be inserted */ if( (db->flags & SQLITE_CountRows)!=0 @@ -118236,6 +121532,10 @@ SQLITE_PRIVATE void sqlite3Insert( pTab->zName); goto insert_cleanup; } + if( pTab->pSelect ){ + sqlite3ErrorMsg(pParse, "cannot UPSERT a view"); + goto insert_cleanup; + } if( sqlite3HasExplicitNulls(pParse, pUpsert->pUpsertTarget) ){ goto insert_cleanup; } @@ -118273,10 +121573,91 @@ SQLITE_PRIVATE void sqlite3Insert( ** goto C ** D: ... */ + sqlite3VdbeReleaseRegisters(pParse, regData, pTab->nCol, 0, 0); addrInsTop = addrCont = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm); VdbeCoverage(v); + if( ipkColumn>=0 ){ + /* tag-20191021-001: If the INTEGER PRIMARY KEY is being generated by the + ** SELECT, go ahead and copy the value into the rowid slot now, so that + ** the value does not get overwritten by a NULL at tag-20191021-002. */ + sqlite3VdbeAddOp2(v, OP_Copy, regFromSelect+ipkColumn, regRowid); + } + } + + /* Compute data for ordinary columns of the new entry. Values + ** are written in storage order into registers starting with regData. + ** Only ordinary columns are computed in this loop. The rowid + ** (if there is one) is computed later and generated columns are + ** computed after the rowid since they might depend on the value + ** of the rowid. + */ + nHidden = 0; + iRegStore = regData; assert( regData==regRowid+1 ); + for(i=0; i<pTab->nCol; i++, iRegStore++){ + int k; + u32 colFlags; + assert( i>=nHidden ); + if( i==pTab->iPKey ){ + /* tag-20191021-002: References to the INTEGER PRIMARY KEY are filled + ** using the rowid. So put a NULL in the IPK slot of the record to avoid + ** using excess space. The file format definition requires this extra + ** NULL - we cannot optimize further by skipping the column completely */ + sqlite3VdbeAddOp1(v, OP_SoftNull, iRegStore); + continue; + } + if( ((colFlags = pTab->aCol[i].colFlags) & COLFLAG_NOINSERT)!=0 ){ + nHidden++; + if( (colFlags & COLFLAG_VIRTUAL)!=0 ){ + /* Virtual columns do not participate in OP_MakeRecord. So back up + ** iRegStore by one slot to compensate for the iRegStore++ in the + ** outer for() loop */ + iRegStore--; + continue; + }else if( (colFlags & COLFLAG_STORED)!=0 ){ + /* Stored columns are computed later. But if there are BEFORE + ** triggers, the slots used for stored columns will be OP_Copy-ed + ** to a second block of registers, so the register needs to be + ** initialized to NULL to avoid an uninitialized register read */ + if( tmask & TRIGGER_BEFORE ){ + sqlite3VdbeAddOp1(v, OP_SoftNull, iRegStore); + } + continue; + }else if( pColumn==0 ){ + /* Hidden columns that are not explicitly named in the INSERT + ** get there default value */ + sqlite3ExprCodeFactorable(pParse, pTab->aCol[i].pDflt, iRegStore); + continue; + } + } + if( pColumn ){ + for(j=0; j<pColumn->nId && pColumn->a[j].idx!=i; j++){} + if( j>=pColumn->nId ){ + /* A column not named in the insert column list gets its + ** default value */ + sqlite3ExprCodeFactorable(pParse, pTab->aCol[i].pDflt, iRegStore); + continue; + } + k = j; + }else if( nColumn==0 ){ + /* This is INSERT INTO ... DEFAULT VALUES. Load the default value. */ + sqlite3ExprCodeFactorable(pParse, pTab->aCol[i].pDflt, iRegStore); + continue; + }else{ + k = i - nHidden; + } + + if( useTempTable ){ + sqlite3VdbeAddOp3(v, OP_Column, srcTab, k, iRegStore); + }else if( pSelect ){ + if( regFromSelect!=regData ){ + sqlite3VdbeAddOp2(v, OP_SCopy, regFromSelect+k, iRegStore); + } + }else{ + sqlite3ExprCode(pParse, pList->a[k].pExpr, iRegStore); + } } + /* Run the BEFORE and INSTEAD OF triggers, if there are any */ endOfLoop = sqlite3VdbeMakeLabel(pParse); @@ -118311,25 +121692,21 @@ SQLITE_PRIVATE void sqlite3Insert( */ assert( !IsVirtual(pTab) ); - /* Create the new column data - */ - for(i=j=0; i<pTab->nCol; i++){ - if( pColumn ){ - for(j=0; j<pColumn->nId; j++){ - if( pColumn->a[j].idx==i ) break; - } - } - if( (!useTempTable && !pList) || (pColumn && j>=pColumn->nId) - || (pColumn==0 && IsOrdinaryHiddenColumn(&pTab->aCol[i])) ){ - sqlite3ExprCode(pParse, pTab->aCol[i].pDflt, regCols+i+1); - }else if( useTempTable ){ - sqlite3VdbeAddOp3(v, OP_Column, srcTab, j, regCols+i+1); - }else{ - assert( pSelect==0 ); /* Otherwise useTempTable is true */ - sqlite3ExprCodeAndCache(pParse, pList->a[j].pExpr, regCols+i+1); - } - if( pColumn==0 && !IsOrdinaryHiddenColumn(&pTab->aCol[i]) ) j++; + /* Copy the new data already generated. */ + assert( pTab->nNVCol>0 ); + sqlite3VdbeAddOp3(v, OP_Copy, regRowid+1, regCols+1, pTab->nNVCol-1); + +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + /* Compute the new value for generated columns after all other + ** columns have already been computed. This must be done after + ** computing the ROWID in case one of the generated columns + ** refers to the ROWID. */ + if( pTab->tabFlags & TF_HasGenerated ){ + testcase( pTab->tabFlags & TF_HasVirtual ); + testcase( pTab->tabFlags & TF_HasStored ); + sqlite3ComputeGeneratedColumns(pParse, regCols+1, pTab); } +#endif /* If this is an INSERT on a view with an INSTEAD OF INSERT trigger, ** do not attempt any conversions before assembling the record. @@ -118341,25 +121718,23 @@ SQLITE_PRIVATE void sqlite3Insert( } /* Fire BEFORE or INSTEAD OF triggers */ - sqlite3CodeRowTrigger(pParse, pTrigger, TK_INSERT, 0, TRIGGER_BEFORE, + sqlite3CodeRowTrigger(pParse, pTrigger, TK_INSERT, 0, TRIGGER_BEFORE, pTab, regCols-pTab->nCol-1, onError, endOfLoop); sqlite3ReleaseTempRange(pParse, regCols, pTab->nCol+1); } - /* Compute the content of the next row to insert into a range of - ** registers beginning at regIns. - */ if( !isView ){ if( IsVirtual(pTab) ){ /* The row that the VUpdate opcode will delete: none */ sqlite3VdbeAddOp2(v, OP_Null, 0, regIns); } if( ipkColumn>=0 ){ + /* Compute the new rowid */ if( useTempTable ){ sqlite3VdbeAddOp3(v, OP_Column, srcTab, ipkColumn, regRowid); }else if( pSelect ){ - sqlite3VdbeAddOp2(v, OP_Copy, regFromSelect+ipkColumn, regRowid); + /* Rowid already initialized at tag-20191021-001 */ }else{ Expr *pIpk = pList->a[ipkColumn].pExpr; if( pIpk->op==TK_NULL && !IsVirtual(pTab) ){ @@ -118392,45 +121767,15 @@ SQLITE_PRIVATE void sqlite3Insert( } autoIncStep(pParse, regAutoinc, regRowid); - /* Compute data for all columns of the new entry, beginning - ** with the first column. - */ - nHidden = 0; - for(i=0; i<pTab->nCol; i++){ - int iRegStore = regRowid+1+i; - if( i==pTab->iPKey ){ - /* The value of the INTEGER PRIMARY KEY column is always a NULL. - ** Whenever this column is read, the rowid will be substituted - ** in its place. Hence, fill this column with a NULL to avoid - ** taking up data space with information that will never be used. - ** As there may be shallow copies of this value, make it a soft-NULL */ - sqlite3VdbeAddOp1(v, OP_SoftNull, iRegStore); - continue; - } - if( pColumn==0 ){ - if( IsHiddenColumn(&pTab->aCol[i]) ){ - j = -1; - nHidden++; - }else{ - j = i - nHidden; - } - }else{ - for(j=0; j<pColumn->nId; j++){ - if( pColumn->a[j].idx==i ) break; - } - } - if( j<0 || nColumn==0 || (pColumn && j>=pColumn->nId) ){ - sqlite3ExprCodeFactorable(pParse, pTab->aCol[i].pDflt, iRegStore); - }else if( useTempTable ){ - sqlite3VdbeAddOp3(v, OP_Column, srcTab, j, iRegStore); - }else if( pSelect ){ - if( regFromSelect!=regData ){ - sqlite3VdbeAddOp2(v, OP_SCopy, regFromSelect+j, iRegStore); - } - }else{ - sqlite3ExprCode(pParse, pList->a[j].pExpr, iRegStore); - } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + /* Compute the new value for generated columns after all other + ** columns have already been computed. This must be done after + ** computing the ROWID in case one of the generated columns + ** is derived from the INTEGER PRIMARY KEY. */ + if( pTab->tabFlags & TF_HasGenerated ){ + sqlite3ComputeGeneratedColumns(pParse, regRowid+1, pTab); } +#endif /* Generate code to check constraints and generate index keys and ** do the insertion. @@ -118456,13 +121801,11 @@ SQLITE_PRIVATE void sqlite3Insert( ** constraints or (b) there are no triggers and this table is not a ** parent table in a foreign key constraint. It is safe to set the ** flag in the second case as if any REPLACE constraint is hit, an - ** OP_Delete or OP_IdxDelete instruction will be executed on each + ** OP_Delete or OP_IdxDelete instruction will be executed on each ** cursor that is disturbed. And these instructions both clear the ** VdbeCursor.seekResult variable, disabling the OPFLAG_USESEEKRESULT ** functionality. */ - bUseSeek = (isReplace==0 || (pTrigger==0 && - ((db->flags & SQLITE_ForeignKeys)==0 || sqlite3FkReferences(pTab)==0) - )); + bUseSeek = (isReplace==0 || !sqlite3VdbeHasSubProgram(v)); sqlite3CompleteInsertion(pParse, pTab, iDataCur, iIdxCur, regIns, aRegIdx, 0, appendFlag, bUseSeek ); @@ -118477,7 +121820,7 @@ SQLITE_PRIVATE void sqlite3Insert( if( pTrigger ){ /* Code AFTER triggers */ - sqlite3CodeRowTrigger(pParse, pTrigger, TK_INSERT, 0, TRIGGER_AFTER, + sqlite3CodeRowTrigger(pParse, pTrigger, TK_INSERT, 0, TRIGGER_AFTER, pTab, regData-2-pTab->nCol, onError, endOfLoop); } @@ -118491,6 +121834,15 @@ SQLITE_PRIVATE void sqlite3Insert( sqlite3VdbeAddOp1(v, OP_Close, srcTab); }else if( pSelect ){ sqlite3VdbeGoto(v, addrCont); +#ifdef SQLITE_DEBUG + /* If we are jumping back to an OP_Yield that is preceded by an + ** OP_ReleaseReg, set the p5 flag on the OP_Goto so that the + ** OP_ReleaseReg will be included in the loop. */ + if( sqlite3VdbeGetOp(v, addrCont-1)->opcode==OP_ReleaseReg ){ + assert( sqlite3VdbeGetOp(v, addrCont)->opcode==OP_Yield ); + sqlite3VdbeChangeP5(v, 1); + } +#endif sqlite3VdbeJumpHere(v, addrInsTop); } @@ -118504,7 +121856,7 @@ insert_end: } /* - ** Return the number of rows inserted. If this routine is + ** Return the number of rows inserted. If this routine is ** generating code because of a call to sqlite3NestedParse(), do not ** invoke the callback function. */ @@ -118537,7 +121889,7 @@ insert_cleanup: #endif /* -** Meanings of bits in of pWalker->eCode for +** Meanings of bits in of pWalker->eCode for ** sqlite3ExprReferencesUpdatedColumn() */ #define CKCNSTRNT_COLUMN 0x01 /* CHECK constraint uses a changing column */ @@ -118713,7 +122065,6 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int ix; /* Index loop counter */ int nCol; /* Number of columns */ int onError; /* Conflict resolution strategy */ - int addr1; /* Address of jump instruction */ int seenReplace = 0; /* True if REPLACE is used to resolve INT PK conflict */ int nPkField; /* Number of fields in PRIMARY KEY. 1 for ROWID tables */ Index *pUpIdx = 0; /* Index to which to apply the upsert */ @@ -118723,6 +122074,13 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int upsertJump = 0; /* Address of Goto that jumps into upsert subroutine */ int ipkTop = 0; /* Top of the IPK uniqueness check */ int ipkBottom = 0; /* OP_Goto at the end of the IPK uniqueness check */ + /* Variables associated with retesting uniqueness constraints after + ** replace triggers fire have run */ + int regTrigCnt; /* Register used to count replace trigger invocations */ + int addrRecheck = 0; /* Jump here to recheck all uniqueness constraints */ + int lblRecheckOk = 0; /* Each recheck jumps to this label if it passes */ + Trigger *pTrigger; /* List of DELETE triggers on the table pTab */ + int nReplaceTrig = 0; /* Number of replace triggers coded */ isUpdate = regOldData!=0; db = pParse->db; @@ -118730,9 +122088,9 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( assert( v!=0 ); assert( pTab->pSelect==0 ); /* This table is not a VIEW */ nCol = pTab->nCol; - + /* pPk is the PRIMARY KEY index for WITHOUT ROWID tables and NULL for - ** normal rowid tables. nPkField is the number of key fields in the + ** normal rowid tables. nPkField is the number of key fields in the ** pPk index or 1 for a rowid table. In other words, nPkField is the ** number of fields in the true primary key of the table. */ if( HasRowid(pTab) ){ @@ -118749,63 +122107,103 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( /* Test all NOT NULL constraints. */ - for(i=0; i<nCol; i++){ - if( i==pTab->iPKey ){ - continue; /* ROWID is never NULL */ - } - if( aiChng && aiChng[i]<0 ){ - /* Don't bother checking for NOT NULL on columns that do not change */ - continue; - } - onError = pTab->aCol[i].notNull; - if( onError==OE_None ) continue; /* This column is allowed to be NULL */ - if( overrideError!=OE_Default ){ - onError = overrideError; - }else if( onError==OE_Default ){ - onError = OE_Abort; - } - if( onError==OE_Replace && pTab->aCol[i].pDflt==0 ){ - onError = OE_Abort; - } - assert( onError==OE_Rollback || onError==OE_Abort || onError==OE_Fail - || onError==OE_Ignore || onError==OE_Replace ); - addr1 = 0; - switch( onError ){ - case OE_Replace: { - assert( onError==OE_Replace ); - addr1 = sqlite3VdbeMakeLabel(pParse); - sqlite3VdbeAddOp2(v, OP_NotNull, regNewData+1+i, addr1); - VdbeCoverage(v); - sqlite3ExprCode(pParse, pTab->aCol[i].pDflt, regNewData+1+i); - sqlite3VdbeAddOp2(v, OP_NotNull, regNewData+1+i, addr1); - VdbeCoverage(v); - onError = OE_Abort; - /* Fall through into the OE_Abort case to generate code that runs - ** if both the input and the default value are NULL */ - } - case OE_Abort: - sqlite3MayAbort(pParse); - /* Fall through */ - case OE_Rollback: - case OE_Fail: { - char *zMsg = sqlite3MPrintf(db, "%s.%s", pTab->zName, - pTab->aCol[i].zName); - sqlite3VdbeAddOp3(v, OP_HaltIfNull, SQLITE_CONSTRAINT_NOTNULL, onError, - regNewData+1+i); - sqlite3VdbeAppendP4(v, zMsg, P4_DYNAMIC); - sqlite3VdbeChangeP5(v, P5_ConstraintNotNull); - VdbeCoverage(v); - if( addr1 ) sqlite3VdbeResolveLabel(v, addr1); - break; - } - default: { - assert( onError==OE_Ignore ); - sqlite3VdbeAddOp2(v, OP_IsNull, regNewData+1+i, ignoreDest); - VdbeCoverage(v); - break; + if( pTab->tabFlags & TF_HasNotNull ){ + int b2ndPass = 0; /* True if currently running 2nd pass */ + int nSeenReplace = 0; /* Number of ON CONFLICT REPLACE operations */ + int nGenerated = 0; /* Number of generated columns with NOT NULL */ + while(1){ /* Make 2 passes over columns. Exit loop via "break" */ + for(i=0; i<nCol; i++){ + int iReg; /* Register holding column value */ + Column *pCol = &pTab->aCol[i]; /* The column to check for NOT NULL */ + int isGenerated; /* non-zero if column is generated */ + onError = pCol->notNull; + if( onError==OE_None ) continue; /* No NOT NULL on this column */ + if( i==pTab->iPKey ){ + continue; /* ROWID is never NULL */ + } + isGenerated = pCol->colFlags & COLFLAG_GENERATED; + if( isGenerated && !b2ndPass ){ + nGenerated++; + continue; /* Generated columns processed on 2nd pass */ + } + if( aiChng && aiChng[i]<0 && !isGenerated ){ + /* Do not check NOT NULL on columns that do not change */ + continue; + } + if( overrideError!=OE_Default ){ + onError = overrideError; + }else if( onError==OE_Default ){ + onError = OE_Abort; + } + if( onError==OE_Replace ){ + if( b2ndPass /* REPLACE becomes ABORT on the 2nd pass */ + || pCol->pDflt==0 /* REPLACE is ABORT if no DEFAULT value */ + ){ + testcase( pCol->colFlags & COLFLAG_VIRTUAL ); + testcase( pCol->colFlags & COLFLAG_STORED ); + testcase( pCol->colFlags & COLFLAG_GENERATED ); + onError = OE_Abort; + }else{ + assert( !isGenerated ); + } + }else if( b2ndPass && !isGenerated ){ + continue; + } + assert( onError==OE_Rollback || onError==OE_Abort || onError==OE_Fail + || onError==OE_Ignore || onError==OE_Replace ); + testcase( i!=sqlite3TableColumnToStorage(pTab, i) ); + iReg = sqlite3TableColumnToStorage(pTab, i) + regNewData + 1; + switch( onError ){ + case OE_Replace: { + int addr1 = sqlite3VdbeAddOp1(v, OP_NotNull, iReg); + VdbeCoverage(v); + assert( (pCol->colFlags & COLFLAG_GENERATED)==0 ); + nSeenReplace++; + sqlite3ExprCodeCopy(pParse, pCol->pDflt, iReg); + sqlite3VdbeJumpHere(v, addr1); + break; + } + case OE_Abort: + sqlite3MayAbort(pParse); + /* no break */ deliberate_fall_through + case OE_Rollback: + case OE_Fail: { + char *zMsg = sqlite3MPrintf(db, "%s.%s", pTab->zName, + pCol->zName); + sqlite3VdbeAddOp3(v, OP_HaltIfNull, SQLITE_CONSTRAINT_NOTNULL, + onError, iReg); + sqlite3VdbeAppendP4(v, zMsg, P4_DYNAMIC); + sqlite3VdbeChangeP5(v, P5_ConstraintNotNull); + VdbeCoverage(v); + break; + } + default: { + assert( onError==OE_Ignore ); + sqlite3VdbeAddOp2(v, OP_IsNull, iReg, ignoreDest); + VdbeCoverage(v); + break; + } + } /* end switch(onError) */ + } /* end loop i over columns */ + if( nGenerated==0 && nSeenReplace==0 ){ + /* If there are no generated columns with NOT NULL constraints + ** and no NOT NULL ON CONFLICT REPLACE constraints, then a single + ** pass is sufficient */ + break; + } + if( b2ndPass ) break; /* Never need more than 2 passes */ + b2ndPass = 1; +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( nSeenReplace>0 && (pTab->tabFlags & TF_HasGenerated)!=0 ){ + /* If any NOT NULL ON CONFLICT REPLACE constraints fired on the + ** first pass, recomputed values for all generated columns, as + ** those values might depend on columns affected by the REPLACE. + */ + sqlite3ComputeGeneratedColumns(pParse, regNewData+1, pTab); } - } - } +#endif + } /* end of 2-pass loop */ + } /* end if( has-not-null-constraints ) */ /* Test all CHECK constraints */ @@ -118816,6 +122214,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( onError = overrideError!=OE_Default ? overrideError : OE_Abort; for(i=0; i<pCheck->nExpr; i++){ int allOk; + Expr *pCopy; Expr *pExpr = pCheck->a[i].pExpr; if( aiChng && !sqlite3ExprReferencesUpdatedColumn(pExpr, aiChng, pkChng) @@ -118824,13 +122223,21 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** updated so there is no point it verifying the check constraint */ continue; } + if( bAffinityDone==0 ){ + sqlite3TableAffinity(v, pTab, regNewData+1); + bAffinityDone = 1; + } allOk = sqlite3VdbeMakeLabel(pParse); sqlite3VdbeVerifyAbortable(v, onError); - sqlite3ExprIfTrue(pParse, pExpr, allOk, SQLITE_JUMPIFNULL); + pCopy = sqlite3ExprDup(db, pExpr, 0); + if( !db->mallocFailed ){ + sqlite3ExprIfTrue(pParse, pCopy, allOk, SQLITE_JUMPIFNULL); + } + sqlite3ExprDelete(db, pCopy); if( onError==OE_Ignore ){ sqlite3VdbeGoto(v, ignoreDest); }else{ - char *zName = pCheck->a[i].zName; + char *zName = pCheck->a[i].zEName; if( zName==0 ) zName = pTab->zName; if( onError==OE_Replace ) onError = OE_Abort; /* IMP: R-26383-51744 */ sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_CHECK, @@ -118887,6 +122294,50 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( } } + /* Determine if it is possible that triggers (either explicitly coded + ** triggers or FK resolution actions) might run as a result of deletes + ** that happen when OE_Replace conflict resolution occurs. (Call these + ** "replace triggers".) If any replace triggers run, we will need to + ** recheck all of the uniqueness constraints after they have all run. + ** But on the recheck, the resolution is OE_Abort instead of OE_Replace. + ** + ** If replace triggers are a possibility, then + ** + ** (1) Allocate register regTrigCnt and initialize it to zero. + ** That register will count the number of replace triggers that + ** fire. Constraint recheck only occurs if the number is positive. + ** (2) Initialize pTrigger to the list of all DELETE triggers on pTab. + ** (3) Initialize addrRecheck and lblRecheckOk + ** + ** The uniqueness rechecking code will create a series of tests to run + ** in a second pass. The addrRecheck and lblRecheckOk variables are + ** used to link together these tests which are separated from each other + ** in the generate bytecode. + */ + if( (db->flags & (SQLITE_RecTriggers|SQLITE_ForeignKeys))==0 ){ + /* There are not DELETE triggers nor FK constraints. No constraint + ** rechecks are needed. */ + pTrigger = 0; + regTrigCnt = 0; + }else{ + if( db->flags&SQLITE_RecTriggers ){ + pTrigger = sqlite3TriggersExist(pParse, pTab, TK_DELETE, 0, 0); + regTrigCnt = pTrigger!=0 || sqlite3FkRequired(pParse, pTab, 0, 0); + }else{ + pTrigger = 0; + regTrigCnt = sqlite3FkRequired(pParse, pTab, 0, 0); + } + if( regTrigCnt ){ + /* Replace triggers might exist. Allocate the counter and + ** initialize it to zero. */ + regTrigCnt = ++pParse->nMem; + sqlite3VdbeAddOp2(v, OP_Integer, 0, regTrigCnt); + VdbeComment((v, "trigger count")); + lblRecheckOk = sqlite3VdbeMakeLabel(pParse); + addrRecheck = lblRecheckOk; + } + } + /* If rowid is changing, make sure the new rowid does not previously ** exist in the table. */ @@ -118942,7 +122393,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( switch( onError ){ default: { onError = OE_Abort; - /* Fall thru into the next case */ + /* no break */ deliberate_fall_through } case OE_Rollback: case OE_Abort: @@ -118960,10 +122411,10 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** the triggers and remove both the table and index b-tree entries. ** ** Otherwise, if there are no triggers or the recursive-triggers - ** flag is not set, but the table has one or more indexes, call - ** GenerateRowIndexDelete(). This removes the index b-tree entries - ** only. The table b-tree entry will be replaced by the new entry - ** when it is inserted. + ** flag is not set, but the table has one or more indexes, call + ** GenerateRowIndexDelete(). This removes the index b-tree entries + ** only. The table b-tree entry will be replaced by the new entry + ** when it is inserted. ** ** If either GenerateRowDelete() or GenerateRowIndexDelete() is called, ** also invoke MultiWrite() to indicate that this VDBE may require @@ -118976,14 +122427,12 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** to run without a statement journal if there are no indexes on the ** table. */ - Trigger *pTrigger = 0; - if( db->flags&SQLITE_RecTriggers ){ - pTrigger = sqlite3TriggersExist(pParse, pTab, TK_DELETE, 0, 0); - } - if( pTrigger || sqlite3FkRequired(pParse, pTab, 0, 0) ){ + if( regTrigCnt ){ sqlite3MultiWrite(pParse); sqlite3GenerateRowDelete(pParse, pTab, pTrigger, iDataCur, iIdxCur, regNewData, 1, 0, OE_Replace, 1, -1); + sqlite3VdbeAddOp2(v, OP_AddImm, regTrigCnt, 1); /* incr trigger cnt */ + nReplaceTrig++; }else{ #ifdef SQLITE_ENABLE_PREUPDATE_HOOK assert( HasRowid(pTab) ); @@ -119005,7 +122454,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( #ifndef SQLITE_OMIT_UPSERT case OE_Update: { sqlite3UpsertDoUpdate(pParse, pUpsert, pTab, 0, iDataCur); - /* Fall through */ + /* no break */ deliberate_fall_through } #endif case OE_Ignore: { @@ -119033,6 +122482,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int regR; /* Range of registers holding conflicting PK */ int iThisCur; /* Cursor for this UNIQUE index */ int addrUniqueOk; /* Jump here if the UNIQUE constraint is satisfied */ + int addrConflictCk; /* First opcode in the conflict check logic */ if( aRegIdx[ix]==0 ) continue; /* Skip indices that do not change */ if( pUpIdx==pIdx ){ @@ -119047,7 +122497,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( sqlite3TableAffinity(v, pTab, regNewData+1); bAffinityDone = 1; } - VdbeNoopComment((v, "uniqueness check for %s", pIdx->zName)); + VdbeNoopComment((v, "prep index %s", pIdx->zName)); iThisCur = iIdxCur+ix; @@ -119072,14 +122522,15 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( sqlite3ExprCodeCopy(pParse, pIdx->aColExpr->a[i].pExpr, regIdx+i); pParse->iSelfTab = 0; VdbeComment((v, "%s column %d", pIdx->zName, i)); + }else if( iField==XN_ROWID || iField==pTab->iPKey ){ + x = regNewData; + sqlite3VdbeAddOp2(v, OP_IntCopy, x, regIdx+i); + VdbeComment((v, "rowid")); }else{ - if( iField==XN_ROWID || iField==pTab->iPKey ){ - x = regNewData; - }else{ - x = iField + regNewData + 1; - } - sqlite3VdbeAddOp2(v, iField<0 ? OP_IntCopy : OP_SCopy, x, regIdx+i); - VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName)); + testcase( sqlite3TableColumnToStorage(pTab, iField)!=iField ); + x = sqlite3TableColumnToStorage(pTab, iField) + regNewData + 1; + sqlite3VdbeAddOp2(v, OP_SCopy, x, regIdx+i); + VdbeComment((v, "%s", pTab->aCol[iField].zName)); } } sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]); @@ -119089,8 +122540,9 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( sqlite3SetMakeRecordP5(v, pIdx->pTable); } #endif + sqlite3VdbeReleaseRegisters(pParse, regIdx, pIdx->nColumn, 0, 0); - /* In an UPDATE operation, if this index is the PRIMARY KEY index + /* In an UPDATE operation, if this index is the PRIMARY KEY index ** of a WITHOUT ROWID table and there has been no change the ** primary key, then no collision is possible. The collision detection ** logic below can all be skipped. */ @@ -119101,7 +122553,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( /* Find out what action to take in case there is a uniqueness conflict */ onError = pIdx->onError; - if( onError==OE_None ){ + if( onError==OE_None ){ sqlite3VdbeResolveLabel(v, addrUniqueOk); continue; /* pIdx is not a UNIQUE index */ } @@ -119129,7 +122581,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( ** ** This is not possible for ENABLE_PREUPDATE_HOOK builds, as the row ** must be explicitly deleted in order to ensure any pre-update hook - ** is invoked. */ + ** is invoked. */ #ifndef SQLITE_ENABLE_PREUPDATE_HOOK if( (ix==0 && pIdx->pNext==0) /* Condition 3 */ && pPk==pIdx /* Condition 2 */ @@ -119146,8 +122598,9 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( /* Check to see if the new index entry will be unique */ sqlite3VdbeVerifyAbortable(v, onError); - sqlite3VdbeAddOp4Int(v, OP_NoConflict, iThisCur, addrUniqueOk, - regIdx, pIdx->nKeyCol); VdbeCoverage(v); + addrConflictCk = + sqlite3VdbeAddOp4Int(v, OP_NoConflict, iThisCur, addrUniqueOk, + regIdx, pIdx->nKeyCol); VdbeCoverage(v); /* Generate code to handle collisions */ regR = (pIdx==pPk) ? regIdx : sqlite3GetTempRange(pParse, nPkField); @@ -119168,14 +122621,14 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( if( pIdx!=pPk ){ for(i=0; i<pPk->nKeyCol; i++){ assert( pPk->aiColumn[i]>=0 ); - x = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[i]); + x = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[i]); sqlite3VdbeAddOp3(v, OP_Column, iThisCur, x, regR+i); VdbeComment((v, "%s.%s", pTab->zName, pTab->aCol[pPk->aiColumn[i]].zName)); } } if( isUpdate ){ - /* If currently processing the PRIMARY KEY of a WITHOUT ROWID + /* If currently processing the PRIMARY KEY of a WITHOUT ROWID ** table, only conflict if the new PRIMARY KEY values are actually ** different from the old. ** @@ -119185,7 +122638,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( int addrJump = sqlite3VdbeCurrentAddr(v)+pPk->nKeyCol; int op = OP_Ne; int regCmp = (IsPrimaryKeyIndex(pIdx) ? regIdx : regR); - + for(i=0; i<pPk->nKeyCol; i++){ char *p4 = (char*)sqlite3LocateCollSeq(pParse, pPk->azColl[i]); x = pPk->aiColumn[i]; @@ -119194,7 +122647,8 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( addrJump = addrUniqueOk; op = OP_Eq; } - sqlite3VdbeAddOp4(v, op, + x = sqlite3TableColumnToStorage(pTab, x); + sqlite3VdbeAddOp4(v, op, regOldData+1+x, addrJump, regCmp+i, p4, P4_COLLSEQ ); sqlite3VdbeChangeP5(v, SQLITE_NOTNULL); @@ -119221,7 +122675,7 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( #ifndef SQLITE_OMIT_UPSERT case OE_Update: { sqlite3UpsertDoUpdate(pParse, pUpsert, pTab, pIdx, iIdxCur+ix); - /* Fall through */ + /* no break */ deliberate_fall_through } #endif case OE_Ignore: { @@ -119230,17 +122684,73 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( break; } default: { - Trigger *pTrigger = 0; + int nConflictCk; /* Number of opcodes in conflict check logic */ + assert( onError==OE_Replace ); - if( db->flags&SQLITE_RecTriggers ){ - pTrigger = sqlite3TriggersExist(pParse, pTab, TK_DELETE, 0, 0); - } - if( pTrigger || sqlite3FkRequired(pParse, pTab, 0, 0) ){ + nConflictCk = sqlite3VdbeCurrentAddr(v) - addrConflictCk; + assert( nConflictCk>0 ); + testcase( nConflictCk>1 ); + if( regTrigCnt ){ sqlite3MultiWrite(pParse); + nReplaceTrig++; + } + if( pTrigger && isUpdate ){ + sqlite3VdbeAddOp1(v, OP_CursorLock, iDataCur); } sqlite3GenerateRowDelete(pParse, pTab, pTrigger, iDataCur, iIdxCur, regR, nPkField, 0, OE_Replace, (pIdx==pPk ? ONEPASS_SINGLE : ONEPASS_OFF), iThisCur); + if( pTrigger && isUpdate ){ + sqlite3VdbeAddOp1(v, OP_CursorUnlock, iDataCur); + } + if( regTrigCnt ){ + int addrBypass; /* Jump destination to bypass recheck logic */ + + sqlite3VdbeAddOp2(v, OP_AddImm, regTrigCnt, 1); /* incr trigger cnt */ + addrBypass = sqlite3VdbeAddOp0(v, OP_Goto); /* Bypass recheck */ + VdbeComment((v, "bypass recheck")); + + /* Here we insert code that will be invoked after all constraint + ** checks have run, if and only if one or more replace triggers + ** fired. */ + sqlite3VdbeResolveLabel(v, lblRecheckOk); + lblRecheckOk = sqlite3VdbeMakeLabel(pParse); + if( pIdx->pPartIdxWhere ){ + /* Bypass the recheck if this partial index is not defined + ** for the current row */ + sqlite3VdbeAddOp2(v, OP_IsNull, regIdx-1, lblRecheckOk); + VdbeCoverage(v); + } + /* Copy the constraint check code from above, except change + ** the constraint-ok jump destination to be the address of + ** the next retest block */ + while( nConflictCk>0 ){ + VdbeOp x; /* Conflict check opcode to copy */ + /* The sqlite3VdbeAddOp4() call might reallocate the opcode array. + ** Hence, make a complete copy of the opcode, rather than using + ** a pointer to the opcode. */ + x = *sqlite3VdbeGetOp(v, addrConflictCk); + if( x.opcode!=OP_IdxRowid ){ + int p2; /* New P2 value for copied conflict check opcode */ + const char *zP4; + if( sqlite3OpcodeProperty[x.opcode]&OPFLG_JUMP ){ + p2 = lblRecheckOk; + }else{ + p2 = x.p2; + } + zP4 = x.p4type==P4_INT32 ? SQLITE_INT_TO_PTR(x.p4.i) : x.p4.z; + sqlite3VdbeAddOp4(v, x.opcode, x.p1, p2, x.p3, zP4, x.p4type); + sqlite3VdbeChangeP5(v, x.p5); + VdbeCoverageIf(v, p2!=x.p2); + } + nConflictCk--; + addrConflictCk++; + } + /* If the retest fails, issue an abort */ + sqlite3UniqueConstraint(pParse, OE_Abort, pIdx); + + sqlite3VdbeJumpHere(v, addrBypass); /* Terminate the recheck bypass */ + } seenReplace = 1; break; } @@ -119261,10 +122771,30 @@ SQLITE_PRIVATE void sqlite3GenerateConstraintChecks( sqlite3VdbeJumpHere(v, ipkBottom); } + /* Recheck all uniqueness constraints after replace triggers have run */ + testcase( regTrigCnt!=0 && nReplaceTrig==0 ); + assert( regTrigCnt!=0 || nReplaceTrig==0 ); + if( nReplaceTrig ){ + sqlite3VdbeAddOp2(v, OP_IfNot, regTrigCnt, lblRecheckOk);VdbeCoverage(v); + if( !pPk ){ + if( isUpdate ){ + sqlite3VdbeAddOp3(v, OP_Eq, regNewData, addrRecheck, regOldData); + sqlite3VdbeChangeP5(v, SQLITE_NOTNULL); + VdbeCoverage(v); + } + sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, addrRecheck, regNewData); + VdbeCoverage(v); + sqlite3RowidConstraint(pParse, OE_Abort, pTab); + }else{ + sqlite3VdbeGoto(v, addrRecheck); + } + sqlite3VdbeResolveLabel(v, lblRecheckOk); + } + /* Generate the table record */ if( HasRowid(pTab) ){ int regRec = aRegIdx[ix]; - sqlite3VdbeAddOp3(v, OP_MakeRecord, regNewData+1, pTab->nCol, regRec); + sqlite3VdbeAddOp3(v, OP_MakeRecord, regNewData+1, pTab->nNVCol, regRec); sqlite3SetMakeRecordP5(v, pTab); if( !bAffinityDone ){ sqlite3TableAffinity(v, pTab, 0); @@ -119331,6 +122861,10 @@ SQLITE_PRIVATE void sqlite3CompleteInsertion( assert( v!=0 ); assert( pTab->pSelect==0 ); /* This table is not a VIEW */ for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){ + /* All REPLACE indexes are at the end of the list */ + assert( pIdx->onError!=OE_Replace + || pIdx->pNext==0 + || pIdx->pNext->onError==OE_Replace ); if( aRegIdx[i]==0 ) continue; if( pIdx->pPartIdxWhere ){ sqlite3VdbeAddOp2(v, OP_IsNull, aRegIdx[i], sqlite3VdbeCurrentAddr(v)+2); @@ -119345,7 +122879,7 @@ SQLITE_PRIVATE void sqlite3CompleteInsertion( if( update_flags==0 ){ int r = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp2(v, OP_Integer, 0, r); - sqlite3VdbeAddOp4(v, OP_Insert, + sqlite3VdbeAddOp4(v, OP_Insert, iIdxCur+i, aRegIdx[i], r, (char*)pTab, P4_TABLE ); sqlite3VdbeChangeP5(v, OPFLAG_ISNOOP); @@ -119481,7 +123015,7 @@ static int xferCompatibleIndex(Index *pDest, Index *pSrc){ int i; assert( pDest && pSrc ); assert( pDest->pTable!=pSrc->pTable ); - if( pDest->nKeyCol!=pSrc->nKeyCol ){ + if( pDest->nKeyCol!=pSrc->nKeyCol || pDest->nColumn!=pSrc->nColumn ){ return 0; /* Different number of columns */ } if( pDest->onError!=pSrc->onError ){ @@ -119518,7 +123052,7 @@ static int xferCompatibleIndex(Index *pDest, Index *pSrc){ ** ** INSERT INTO tab1 SELECT * FROM tab2; ** -** The xfer optimization transfers raw records from tab2 over to tab1. +** The xfer optimization transfers raw records from tab2 over to tab1. ** Columns are not decoded and reassembled, which greatly improves ** performance. Raw index records are transferred in the same way. ** @@ -119629,7 +123163,7 @@ static int xferOptimization( return 0; /* FROM clause does not contain a real table */ } if( pSrc->tnum==pDest->tnum && pSrc->pSchema==pDest->pSchema ){ - testcase( pSrc!=pDest ); /* Possible due to bad sqlite_master.rootpage */ + testcase( pSrc!=pDest ); /* Possible due to bad sqlite_schema.rootpage */ return 0; /* tab1 and tab2 may not be the same table */ } if( HasRowid(pDest)!=HasRowid(pSrc) ){ @@ -119653,12 +123187,45 @@ static int xferOptimization( Column *pDestCol = &pDest->aCol[i]; Column *pSrcCol = &pSrc->aCol[i]; #ifdef SQLITE_ENABLE_HIDDEN_COLUMNS - if( (db->mDbFlags & DBFLAG_Vacuum)==0 - && (pDestCol->colFlags | pSrcCol->colFlags) & COLFLAG_HIDDEN + if( (db->mDbFlags & DBFLAG_Vacuum)==0 + && (pDestCol->colFlags | pSrcCol->colFlags) & COLFLAG_HIDDEN ){ return 0; /* Neither table may have __hidden__ columns */ } #endif +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + /* Even if tables t1 and t2 have identical schemas, if they contain + ** generated columns, then this statement is semantically incorrect: + ** + ** INSERT INTO t2 SELECT * FROM t1; + ** + ** The reason is that generated column values are returned by the + ** the SELECT statement on the right but the INSERT statement on the + ** left wants them to be omitted. + ** + ** Nevertheless, this is a useful notational shorthand to tell SQLite + ** to do a bulk transfer all of the content from t1 over to t2. + ** + ** We could, in theory, disable this (except for internal use by the + ** VACUUM command where it is actually needed). But why do that? It + ** seems harmless enough, and provides a useful service. + */ + if( (pDestCol->colFlags & COLFLAG_GENERATED) != + (pSrcCol->colFlags & COLFLAG_GENERATED) ){ + return 0; /* Both columns have the same generated-column type */ + } + /* But the transfer is only allowed if both the source and destination + ** tables have the exact same expressions for generated columns. + ** This requirement could be relaxed for VIRTUAL columns, I suppose. + */ + if( (pDestCol->colFlags & COLFLAG_GENERATED)!=0 ){ + if( sqlite3ExprCompare(0, pSrcCol->pDflt, pDestCol->pDflt, -1)!=0 ){ + testcase( pDestCol->colFlags & COLFLAG_VIRTUAL ); + testcase( pDestCol->colFlags & COLFLAG_STORED ); + return 0; /* Different generator expressions */ + } + } +#endif if( pDestCol->affinity!=pSrcCol->affinity ){ return 0; /* Affinity must be the same on all columns */ } @@ -119669,10 +123236,10 @@ static int xferOptimization( return 0; /* tab2 must be NOT NULL if tab1 is */ } /* Default values for second and subsequent columns need to match. */ - if( i>0 ){ + if( (pDestCol->colFlags & COLFLAG_GENERATED)==0 && i>0 ){ assert( pDestCol->pDflt==0 || pDestCol->pDflt->op==TK_SPAN ); assert( pSrcCol->pDflt==0 || pSrcCol->pDflt->op==TK_SPAN ); - if( (pDestCol->pDflt==0)!=(pSrcCol->pDflt==0) + if( (pDestCol->pDflt==0)!=(pSrcCol->pDflt==0) || (pDestCol->pDflt && strcmp(pDestCol->pDflt->u.zToken, pSrcCol->pDflt->u.zToken)!=0) ){ @@ -119706,7 +123273,7 @@ static int xferOptimization( #ifndef SQLITE_OMIT_FOREIGN_KEY /* Disallow the transfer optimization if the destination table constains ** any foreign key constraints. This is more restrictive than necessary. - ** But the main beneficiary of the transfer optimization is the VACUUM + ** But the main beneficiary of the transfer optimization is the VACUUM ** command, and the VACUUM command disables foreign key constraints. So ** the extra complication to make this rule less restrictive is probably ** not worth the effort. Ticket [6284df89debdfa61db8073e062908af0c9b6118e] @@ -119753,7 +123320,7 @@ static int xferOptimization( ** (If the destination is not initially empty, the rowid fields ** of index entries might need to change.) ** - ** (2) The destination has a unique index. (The xfer optimization + ** (2) The destination has a unique index. (The xfer optimization ** is unable to test uniqueness.) ** ** (3) onError is something other than OE_Abort and OE_Rollback. @@ -119780,14 +123347,13 @@ static int xferOptimization( addr1 = sqlite3VdbeAddOp2(v, OP_Rowid, iSrc, regRowid); assert( (pDest->tabFlags & TF_Autoincrement)==0 ); } - sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); if( db->mDbFlags & DBFLAG_Vacuum ){ sqlite3VdbeAddOp1(v, OP_SeekEnd, iDest); - insFlags = OPFLAG_NCHANGE|OPFLAG_LASTROWID| - OPFLAG_APPEND|OPFLAG_USESEEKRESULT; + insFlags = OPFLAG_APPEND|OPFLAG_USESEEKRESULT; }else{ insFlags = OPFLAG_NCHANGE|OPFLAG_LASTROWID|OPFLAG_APPEND; } + sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); sqlite3VdbeAddOp4(v, OP_Insert, iDest, regData, regRowid, (char*)pDest, P4_TABLE); sqlite3VdbeChangeP5(v, insFlags); @@ -119812,19 +123378,18 @@ static int xferOptimization( sqlite3VdbeChangeP5(v, OPFLAG_BULKCSR); VdbeComment((v, "%s", pDestIdx->zName)); addr1 = sqlite3VdbeAddOp2(v, OP_Rewind, iSrc, 0); VdbeCoverage(v); - sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); if( db->mDbFlags & DBFLAG_Vacuum ){ /* This INSERT command is part of a VACUUM operation, which guarantees ** that the destination table is empty. If all indexed columns use ** collation sequence BINARY, then it can also be assumed that the - ** index will be populated by inserting keys in strictly sorted + ** index will be populated by inserting keys in strictly sorted ** order. In this case, instead of seeking within the b-tree as part ** of every OP_IdxInsert opcode, an OP_SeekEnd is added before the - ** OP_IdxInsert to seek to the point within the b-tree where each key + ** OP_IdxInsert to seek to the point within the b-tree where each key ** should be inserted. This is faster. ** ** If any of the indexed columns use a collation sequence other than - ** BINARY, this optimization is disabled. This is because the user + ** BINARY, this optimization is disabled. This is because the user ** might change the definition of a collation sequence and then run ** a VACUUM command. In that case keys may not be written in strictly ** sorted order. */ @@ -119836,10 +123401,10 @@ static int xferOptimization( idxInsFlags = OPFLAG_USESEEKRESULT; sqlite3VdbeAddOp1(v, OP_SeekEnd, iDest); } - } - if( !HasRowid(pSrc) && pDestIdx->idxType==SQLITE_IDXTYPE_PRIMARYKEY ){ + }else if( !HasRowid(pSrc) && pDestIdx->idxType==SQLITE_IDXTYPE_PRIMARYKEY ){ idxInsFlags |= OPFLAG_NCHANGE; } + sqlite3VdbeAddOp3(v, OP_RowData, iSrc, regData, 1); sqlite3VdbeAddOp2(v, OP_IdxInsert, iDest, regData); sqlite3VdbeChangeP5(v, idxInsFlags|OPFLAG_APPEND); sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1+1); VdbeCoverage(v); @@ -119933,7 +123498,7 @@ SQLITE_API int sqlite3_exec( rc = sqlite3_step(pStmt); /* Invoke the callback function if required */ - if( xCallback && (SQLITE_ROW==rc || + if( xCallback && (SQLITE_ROW==rc || (SQLITE_DONE==rc && !callbackIsInit && db->flags&SQLITE_NullCallback)) ){ if( !callbackIsInit ){ @@ -120042,7 +123607,7 @@ exec_out: ** This header file defines the SQLite interface for use by ** shared libraries that want to be imported as extensions into ** an SQLite instance. Shared libraries that intend to be loaded -** as extensions by SQLite should #include this file instead of +** as extensions by SQLite should #include this file instead of ** sqlite3.h. */ #ifndef SQLITE3EXT_H @@ -120354,6 +123919,17 @@ struct sqlite3_api_routines { int (*value_frombind)(sqlite3_value*); /* Version 3.30.0 and later */ int (*drop_modules)(sqlite3*,const char**); + /* Version 3.31.0 and later */ + sqlite3_int64 (*hard_heap_limit64)(sqlite3_int64); + const char *(*uri_key)(const char*,int); + const char *(*filename_database)(const char*); + const char *(*filename_journal)(const char*); + const char *(*filename_wal)(const char*); + /* Version 3.32.0 and later */ + char *(*create_filename)(const char*,const char*,const char*, + int,const char**); + void (*free_filename)(char*); + sqlite3_file *(*database_file_object)(const char*); }; /* @@ -120644,21 +124220,31 @@ typedef int (*sqlite3_loadext_entry)( /* Version 3.26.0 and later */ #define sqlite3_normalized_sql sqlite3_api->normalized_sql /* Version 3.28.0 and later */ -#define sqlite3_stmt_isexplain sqlite3_api->isexplain -#define sqlite3_value_frombind sqlite3_api->frombind +#define sqlite3_stmt_isexplain sqlite3_api->stmt_isexplain +#define sqlite3_value_frombind sqlite3_api->value_frombind /* Version 3.30.0 and later */ #define sqlite3_drop_modules sqlite3_api->drop_modules +/* Version 3.31.0 and later */ +#define sqlite3_hard_heap_limit64 sqlite3_api->hard_heap_limit64 +#define sqlite3_uri_key sqlite3_api->uri_key +#define sqlite3_filename_database sqlite3_api->filename_database +#define sqlite3_filename_journal sqlite3_api->filename_journal +#define sqlite3_filename_wal sqlite3_api->filename_wal +/* Version 3.32.0 and later */ +#define sqlite3_create_filename sqlite3_api->create_filename +#define sqlite3_free_filename sqlite3_api->free_filename +#define sqlite3_database_file_object sqlite3_api->database_file_object #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) - /* This case when the file really is being compiled as a loadable + /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; # define SQLITE_EXTENSION_INIT3 \ extern const sqlite3_api_routines *sqlite3_api; #else - /* This case when the file is being statically linked into the + /* This case when the file is being statically linked into the ** application */ # define SQLITE_EXTENSION_INIT1 /*no-op*/ # define SQLITE_EXTENSION_INIT2(v) (void)v; /* unused parameter */ @@ -120950,8 +124536,8 @@ static const sqlite3_api_routines sqlite3Apis = { sqlite3_memory_highwater, sqlite3_memory_used, #ifdef SQLITE_MUTEX_OMIT - 0, - 0, + 0, + 0, 0, 0, 0, @@ -121120,8 +124706,26 @@ static const sqlite3_api_routines sqlite3Apis = { #else 0, #endif + /* Version 3.31.0 and later */ + sqlite3_hard_heap_limit64, + sqlite3_uri_key, + sqlite3_filename_database, + sqlite3_filename_journal, + sqlite3_filename_wal, + /* Version 3.32.0 and later */ + sqlite3_create_filename, + sqlite3_free_filename, + sqlite3_database_file_object, }; +/* True if x is the directory separator character +*/ +#if SQLITE_OS_WIN +# define DirSep(X) ((X)=='/'||(X)=='\\') +#else +# define DirSep(X) ((X)=='/') +#endif + /* ** Attempt to load an SQLite extension library contained in the file ** zFile. The entry point is zProc. zProc may be 0 in which case a @@ -121130,7 +124734,7 @@ static const sqlite3_api_routines sqlite3Apis = { ** ** Return SQLITE_OK on success and SQLITE_ERROR if something goes wrong. ** -** If an error occurs and pzErrMsg is not 0, then fill *pzErrMsg with +** If an error occurs and pzErrMsg is not 0, then fill *pzErrMsg with ** error message text. The calling function should free this memory ** by calling sqlite3DbFree(db, ). */ @@ -121154,7 +124758,7 @@ static int sqlite3LoadExtension( /* Shared library endings to try if zFile cannot be loaded as written */ static const char *azEndings[] = { #if SQLITE_OS_WIN - "dll" + "dll" #elif defined(__APPLE__) "dylib" #else @@ -121194,7 +124798,7 @@ static int sqlite3LoadExtension( if( pzErrMsg ){ *pzErrMsg = zErrmsg = sqlite3_malloc64(nMsg); if( zErrmsg ){ - sqlite3_snprintf(nMsg, zErrmsg, + sqlite3_snprintf(nMsg, zErrmsg, "unable to open shared library [%s]", zFile); sqlite3OsDlError(pVfs, nMsg-1, zErrmsg); } @@ -121206,9 +124810,9 @@ static int sqlite3LoadExtension( /* If no entry point was specified and the default legacy ** entry point name "sqlite3_extension_init" was not found, then ** construct an entry point name "sqlite3_X_init" where the X is - ** replaced by the lowercase value of every ASCII alphabetic + ** replaced by the lowercase value of every ASCII alphabetic ** character in the filename after the last "/" upto the first ".", - ** and eliding the first three characters if they are "lib". + ** and eliding the first three characters if they are "lib". ** Examples: ** ** /usr/local/lib/libExample5.4.3.so ==> sqlite3_example_init @@ -121223,7 +124827,7 @@ static int sqlite3LoadExtension( return SQLITE_NOMEM_BKPT; } memcpy(zAltEntry, "sqlite3_", 8); - for(iFile=ncFile-1; iFile>=0 && zFile[iFile]!='/'; iFile--){} + for(iFile=ncFile-1; iFile>=0 && !DirSep(zFile[iFile]); iFile--){} iFile++; if( sqlite3_strnicmp(zFile+iFile, "lib", 3)==0 ) iFile += 3; for(iEntry=8; (c = zFile[iFile])!=0 && c!='.'; iFile++){ @@ -121323,12 +124927,12 @@ SQLITE_API int sqlite3_enable_load_extension(sqlite3 *db, int onoff){ ** The following object holds the list of automatically loaded ** extensions. ** -** This list is shared across threads. The SQLITE_MUTEX_STATIC_MASTER +** This list is shared across threads. The SQLITE_MUTEX_STATIC_MAIN ** mutex must be held while accessing this list. */ typedef struct sqlite3AutoExtList sqlite3AutoExtList; static SQLITE_WSD struct sqlite3AutoExtList { - u32 nExt; /* Number of entries in aExt[] */ + u32 nExt; /* Number of entries in aExt[] */ void (**aExt)(void); /* Pointers to the extension init functions */ } sqlite3Autoext = { 0, 0 }; @@ -121365,7 +124969,7 @@ SQLITE_API int sqlite3_auto_extension( { u32 i; #if SQLITE_THREADSAFE - sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); + sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); #endif wsdAutoextInit; sqlite3_mutex_enter(mutex); @@ -121403,7 +125007,7 @@ SQLITE_API int sqlite3_cancel_auto_extension( void (*xInit)(void) ){ #if SQLITE_THREADSAFE - sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); + sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); #endif int i; int n = 0; @@ -121430,7 +125034,7 @@ SQLITE_API void sqlite3_reset_auto_extension(void){ #endif { #if SQLITE_THREADSAFE - sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); + sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); #endif wsdAutoextInit; sqlite3_mutex_enter(mutex); @@ -121460,7 +125064,7 @@ SQLITE_PRIVATE void sqlite3AutoLoadExtensions(sqlite3 *db){ for(i=0; go; i++){ char *zErrmsg; #if SQLITE_THREADSAFE - sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); + sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); #endif #ifdef SQLITE_OMIT_LOAD_EXTENSION const sqlite3_api_routines *pThunk = 0; @@ -121515,7 +125119,7 @@ SQLITE_PRIVATE void sqlite3AutoLoadExtensions(sqlite3 *db){ ** that includes the PragType_XXXX macro definitions and the aPragmaName[] ** object. This ensures that the aPragmaName[] table is arranged in ** lexicographical order to facility a binary search of the pragma name. -** Do not edit pragma.h directly. Edit and rerun the script in at +** Do not edit pragma.h directly. Edit and rerun the script in at ** ../tool/mkpragmatab.tcl. */ /************** Include pragma.h in the middle of pragma.c *******************/ /************** Begin file pragma.h ******************************************/ @@ -121526,50 +125130,51 @@ SQLITE_PRIVATE void sqlite3AutoLoadExtensions(sqlite3 *db){ */ /* The various pragma types */ -#define PragTyp_HEADER_VALUE 0 -#define PragTyp_AUTO_VACUUM 1 -#define PragTyp_FLAG 2 -#define PragTyp_BUSY_TIMEOUT 3 -#define PragTyp_CACHE_SIZE 4 -#define PragTyp_CACHE_SPILL 5 -#define PragTyp_CASE_SENSITIVE_LIKE 6 -#define PragTyp_COLLATION_LIST 7 -#define PragTyp_COMPILE_OPTIONS 8 -#define PragTyp_DATA_STORE_DIRECTORY 9 -#define PragTyp_DATABASE_LIST 10 -#define PragTyp_DEFAULT_CACHE_SIZE 11 -#define PragTyp_ENCODING 12 -#define PragTyp_FOREIGN_KEY_CHECK 13 -#define PragTyp_FOREIGN_KEY_LIST 14 -#define PragTyp_FUNCTION_LIST 15 -#define PragTyp_INCREMENTAL_VACUUM 16 -#define PragTyp_INDEX_INFO 17 -#define PragTyp_INDEX_LIST 18 -#define PragTyp_INTEGRITY_CHECK 19 -#define PragTyp_JOURNAL_MODE 20 -#define PragTyp_JOURNAL_SIZE_LIMIT 21 -#define PragTyp_LOCK_PROXY_FILE 22 -#define PragTyp_LOCKING_MODE 23 -#define PragTyp_PAGE_COUNT 24 -#define PragTyp_MMAP_SIZE 25 -#define PragTyp_MODULE_LIST 26 -#define PragTyp_OPTIMIZE 27 -#define PragTyp_PAGE_SIZE 28 -#define PragTyp_PRAGMA_LIST 29 -#define PragTyp_SECURE_DELETE 30 -#define PragTyp_SHRINK_MEMORY 31 -#define PragTyp_SOFT_HEAP_LIMIT 32 -#define PragTyp_SYNCHRONOUS 33 -#define PragTyp_TABLE_INFO 34 -#define PragTyp_TEMP_STORE 35 -#define PragTyp_TEMP_STORE_DIRECTORY 36 -#define PragTyp_THREADS 37 -#define PragTyp_WAL_AUTOCHECKPOINT 38 -#define PragTyp_WAL_CHECKPOINT 39 -#define PragTyp_ACTIVATE_EXTENSIONS 40 -#define PragTyp_KEY 41 -#define PragTyp_LOCK_STATUS 42 -#define PragTyp_STATS 43 +#define PragTyp_ACTIVATE_EXTENSIONS 0 +#define PragTyp_ANALYSIS_LIMIT 1 +#define PragTyp_HEADER_VALUE 2 +#define PragTyp_AUTO_VACUUM 3 +#define PragTyp_FLAG 4 +#define PragTyp_BUSY_TIMEOUT 5 +#define PragTyp_CACHE_SIZE 6 +#define PragTyp_CACHE_SPILL 7 +#define PragTyp_CASE_SENSITIVE_LIKE 8 +#define PragTyp_COLLATION_LIST 9 +#define PragTyp_COMPILE_OPTIONS 10 +#define PragTyp_DATA_STORE_DIRECTORY 11 +#define PragTyp_DATABASE_LIST 12 +#define PragTyp_DEFAULT_CACHE_SIZE 13 +#define PragTyp_ENCODING 14 +#define PragTyp_FOREIGN_KEY_CHECK 15 +#define PragTyp_FOREIGN_KEY_LIST 16 +#define PragTyp_FUNCTION_LIST 17 +#define PragTyp_HARD_HEAP_LIMIT 18 +#define PragTyp_INCREMENTAL_VACUUM 19 +#define PragTyp_INDEX_INFO 20 +#define PragTyp_INDEX_LIST 21 +#define PragTyp_INTEGRITY_CHECK 22 +#define PragTyp_JOURNAL_MODE 23 +#define PragTyp_JOURNAL_SIZE_LIMIT 24 +#define PragTyp_LOCK_PROXY_FILE 25 +#define PragTyp_LOCKING_MODE 26 +#define PragTyp_PAGE_COUNT 27 +#define PragTyp_MMAP_SIZE 28 +#define PragTyp_MODULE_LIST 29 +#define PragTyp_OPTIMIZE 30 +#define PragTyp_PAGE_SIZE 31 +#define PragTyp_PRAGMA_LIST 32 +#define PragTyp_SECURE_DELETE 33 +#define PragTyp_SHRINK_MEMORY 34 +#define PragTyp_SOFT_HEAP_LIMIT 35 +#define PragTyp_SYNCHRONOUS 36 +#define PragTyp_TABLE_INFO 37 +#define PragTyp_TEMP_STORE 38 +#define PragTyp_TEMP_STORE_DIRECTORY 39 +#define PragTyp_THREADS 40 +#define PragTyp_WAL_AUTOCHECKPOINT 41 +#define PragTyp_WAL_CHECKPOINT 42 +#define PragTyp_LOCK_STATUS 43 +#define PragTyp_STATS 44 /* Property flags associated with various pragma. */ #define PragFlg_NeedSchema 0x01 /* Force schema load before running */ @@ -121587,56 +125192,60 @@ SQLITE_PRIVATE void sqlite3AutoLoadExtensions(sqlite3 *db){ */ static const char *const pragCName[] = { /* 0 */ "id", /* Used by: foreign_key_list */ - /* 1 */ "seq", - /* 2 */ "table", - /* 3 */ "from", - /* 4 */ "to", - /* 5 */ "on_update", - /* 6 */ "on_delete", - /* 7 */ "match", + /* 1 */ "seq", + /* 2 */ "table", + /* 3 */ "from", + /* 4 */ "to", + /* 5 */ "on_update", + /* 6 */ "on_delete", + /* 7 */ "match", /* 8 */ "cid", /* Used by: table_xinfo */ - /* 9 */ "name", - /* 10 */ "type", - /* 11 */ "notnull", - /* 12 */ "dflt_value", - /* 13 */ "pk", - /* 14 */ "hidden", + /* 9 */ "name", + /* 10 */ "type", + /* 11 */ "notnull", + /* 12 */ "dflt_value", + /* 13 */ "pk", + /* 14 */ "hidden", /* table_info reuses 8 */ /* 15 */ "seqno", /* Used by: index_xinfo */ - /* 16 */ "cid", - /* 17 */ "name", - /* 18 */ "desc", - /* 19 */ "coll", - /* 20 */ "key", - /* 21 */ "tbl", /* Used by: stats */ - /* 22 */ "idx", - /* 23 */ "wdth", - /* 24 */ "hght", - /* 25 */ "flgs", - /* 26 */ "seq", /* Used by: index_list */ - /* 27 */ "name", - /* 28 */ "unique", - /* 29 */ "origin", - /* 30 */ "partial", - /* 31 */ "table", /* Used by: foreign_key_check */ - /* 32 */ "rowid", - /* 33 */ "parent", - /* 34 */ "fkid", + /* 16 */ "cid", + /* 17 */ "name", + /* 18 */ "desc", + /* 19 */ "coll", + /* 20 */ "key", + /* 21 */ "name", /* Used by: function_list */ + /* 22 */ "builtin", + /* 23 */ "type", + /* 24 */ "enc", + /* 25 */ "narg", + /* 26 */ "flags", + /* 27 */ "tbl", /* Used by: stats */ + /* 28 */ "idx", + /* 29 */ "wdth", + /* 30 */ "hght", + /* 31 */ "flgs", + /* 32 */ "seq", /* Used by: index_list */ + /* 33 */ "name", + /* 34 */ "unique", + /* 35 */ "origin", + /* 36 */ "partial", + /* 37 */ "table", /* Used by: foreign_key_check */ + /* 38 */ "rowid", + /* 39 */ "parent", + /* 40 */ "fkid", /* index_info reuses 15 */ - /* 35 */ "seq", /* Used by: database_list */ - /* 36 */ "name", - /* 37 */ "file", - /* 38 */ "busy", /* Used by: wal_checkpoint */ - /* 39 */ "log", - /* 40 */ "checkpointed", - /* 41 */ "name", /* Used by: function_list */ - /* 42 */ "builtin", - /* collation_list reuses 26 */ - /* 43 */ "database", /* Used by: lock_status */ - /* 44 */ "status", - /* 45 */ "cache_size", /* Used by: default_cache_size */ + /* 41 */ "seq", /* Used by: database_list */ + /* 42 */ "name", + /* 43 */ "file", + /* 44 */ "busy", /* Used by: wal_checkpoint */ + /* 45 */ "log", + /* 46 */ "checkpointed", + /* collation_list reuses 32 */ + /* 47 */ "database", /* Used by: lock_status */ + /* 48 */ "status", + /* 49 */ "cache_size", /* Used by: default_cache_size */ /* module_list pragma_list reuses 9 */ - /* 46 */ "timeout", /* Used by: busy_timeout */ + /* 50 */ "timeout", /* Used by: busy_timeout */ }; /* Definitions of all built-in pragmas */ @@ -121649,13 +125258,18 @@ typedef struct PragmaName { u64 iArg; /* Extra argument */ } PragmaName; static const PragmaName aPragmaName[] = { -#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD) +#if defined(SQLITE_ENABLE_CEROD) {/* zName: */ "activate_extensions", /* ePragTyp: */ PragTyp_ACTIVATE_EXTENSIONS, /* ePragFlg: */ 0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif + {/* zName: */ "analysis_limit", + /* ePragTyp: */ PragTyp_ANALYSIS_LIMIT, + /* ePragFlg: */ PragFlg_Result0, + /* ColNames: */ 0, 0, + /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS) {/* zName: */ "application_id", /* ePragTyp: */ PragTyp_HEADER_VALUE, @@ -121682,7 +125296,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "busy_timeout", /* ePragTyp: */ PragTyp_BUSY_TIMEOUT, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 46, 1, + /* ColNames: */ 50, 1, /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) {/* zName: */ "cache_size", @@ -121721,7 +125335,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "collation_list", /* ePragTyp: */ PragTyp_COLLATION_LIST, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 26, 2, + /* ColNames: */ 32, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS) @@ -121756,14 +125370,14 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "database_list", /* ePragTyp: */ PragTyp_DATABASE_LIST, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0, - /* ColNames: */ 35, 3, + /* ColNames: */ 41, 3, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED) {/* zName: */ "default_cache_size", /* ePragTyp: */ PragTyp_DEFAULT_CACHE_SIZE, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq|PragFlg_NoColumns1, - /* ColNames: */ 45, 1, + /* ColNames: */ 49, 1, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) @@ -121792,8 +125406,8 @@ static const PragmaName aPragmaName[] = { #if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER) {/* zName: */ "foreign_key_check", /* ePragTyp: */ PragTyp_FOREIGN_KEY_CHECK, - /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0, - /* ColNames: */ 31, 4, + /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_Result1|PragFlg_SchemaOpt, + /* ColNames: */ 37, 4, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FOREIGN_KEY) @@ -121836,22 +125450,15 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "function_list", /* ePragTyp: */ PragTyp_FUNCTION_LIST, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 41, 2, + /* ColNames: */ 21, 6, /* iArg: */ 0 }, #endif #endif -#if defined(SQLITE_HAS_CODEC) - {/* zName: */ "hexkey", - /* ePragTyp: */ PragTyp_KEY, - /* ePragFlg: */ 0, - /* ColNames: */ 0, 0, - /* iArg: */ 2 }, - {/* zName: */ "hexrekey", - /* ePragTyp: */ PragTyp_KEY, - /* ePragFlg: */ 0, + {/* zName: */ "hard_heap_limit", + /* ePragTyp: */ PragTyp_HARD_HEAP_LIMIT, + /* ePragFlg: */ PragFlg_Result0, /* ColNames: */ 0, 0, - /* iArg: */ 3 }, -#endif + /* iArg: */ 0 }, #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) #if !defined(SQLITE_OMIT_CHECK) {/* zName: */ "ignore_check_constraints", @@ -121877,7 +125484,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "index_list", /* ePragTyp: */ PragTyp_INDEX_LIST, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result1|PragFlg_SchemaOpt, - /* ColNames: */ 26, 5, + /* ColNames: */ 32, 5, /* iArg: */ 0 }, {/* zName: */ "index_xinfo", /* ePragTyp: */ PragTyp_INDEX_INFO, @@ -121904,24 +125511,12 @@ static const PragmaName aPragmaName[] = { /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif -#if defined(SQLITE_HAS_CODEC) - {/* zName: */ "key", - /* ePragTyp: */ PragTyp_KEY, - /* ePragFlg: */ 0, - /* ColNames: */ 0, 0, - /* iArg: */ 0 }, -#endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "legacy_alter_table", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_LegacyAlter }, - {/* zName: */ "legacy_file_format", - /* ePragTyp: */ PragTyp_FLAG, - /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, - /* ColNames: */ 0, 0, - /* iArg: */ SQLITE_LegacyFileFmt }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE {/* zName: */ "lock_proxy_file", @@ -121934,7 +125529,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "lock_status", /* ePragTyp: */ PragTyp_LOCK_STATUS, /* ePragFlg: */ PragFlg_Result0, - /* ColNames: */ 43, 2, + /* ColNames: */ 47, 2, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) @@ -122023,15 +125618,6 @@ static const PragmaName aPragmaName[] = { /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, /* ColNames: */ 0, 0, /* iArg: */ SQLITE_RecTriggers }, -#endif -#if defined(SQLITE_HAS_CODEC) - {/* zName: */ "rekey", - /* ePragTyp: */ PragTyp_KEY, - /* ePragFlg: */ 0, - /* ColNames: */ 0, 0, - /* iArg: */ 1 }, -#endif -#if !defined(SQLITE_OMIT_FLAG_PRAGMAS) {/* zName: */ "reverse_unordered_selects", /* ePragTyp: */ PragTyp_FLAG, /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, @@ -122082,7 +125668,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "stats", /* ePragTyp: */ PragTyp_STATS, /* ePragFlg: */ PragFlg_NeedSchema|PragFlg_Result0|PragFlg_SchemaReq, - /* ColNames: */ 21, 5, + /* ColNames: */ 27, 5, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) @@ -122116,23 +125702,18 @@ static const PragmaName aPragmaName[] = { /* ColNames: */ 0, 0, /* iArg: */ 0 }, #endif -#if defined(SQLITE_HAS_CODEC) - {/* zName: */ "textkey", - /* ePragTyp: */ PragTyp_KEY, - /* ePragFlg: */ 0, - /* ColNames: */ 0, 0, - /* iArg: */ 4 }, - {/* zName: */ "textrekey", - /* ePragTyp: */ PragTyp_KEY, - /* ePragFlg: */ 0, - /* ColNames: */ 0, 0, - /* iArg: */ 5 }, -#endif {/* zName: */ "threads", /* ePragTyp: */ PragTyp_THREADS, /* ePragFlg: */ PragFlg_Result0, /* ColNames: */ 0, 0, /* iArg: */ 0 }, +#if !defined(SQLITE_OMIT_FLAG_PRAGMAS) + {/* zName: */ "trusted_schema", + /* ePragTyp: */ PragTyp_FLAG, + /* ePragFlg: */ PragFlg_Result0|PragFlg_NoColumns1, + /* ColNames: */ 0, 0, + /* iArg: */ SQLITE_TrustedSchema }, +#endif #if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS) {/* zName: */ "user_version", /* ePragTyp: */ PragTyp_HEADER_VALUE, @@ -122178,7 +125759,7 @@ static const PragmaName aPragmaName[] = { {/* zName: */ "wal_checkpoint", /* ePragTyp: */ PragTyp_WAL_CHECKPOINT, /* ePragFlg: */ PragFlg_NeedSchema, - /* ColNames: */ 38, 3, + /* ColNames: */ 44, 3, /* iArg: */ 0 }, #endif #if !defined(SQLITE_OMIT_FLAG_PRAGMAS) @@ -122189,14 +125770,14 @@ static const PragmaName aPragmaName[] = { /* iArg: */ SQLITE_WriteSchema|SQLITE_NoSchemaError }, #endif }; -/* Number of pragmas: 65 on by default, 81 total. */ +/* Number of pragmas: 67 on by default, 77 total. */ /************** End of pragma.h **********************************************/ /************** Continuing where we left off in pragma.c *********************/ /* ** Interpret the given string as a safety level. Return 0 for OFF, -** 1 for ON or NORMAL, 2 for FULL, and 3 for EXTRA. Return 1 for an empty or +** 1 for ON or NORMAL, 2 for FULL, and 3 for EXTRA. Return 1 for an empty or ** unrecognized string argument. The FULL and EXTRA option is disallowed ** if the omitFull parameter it 1. ** @@ -122255,7 +125836,7 @@ static int getLockingMode(const char *z){ /* ** Interpret the given string as an auto-vacuum mode value. ** -** The following strings, "none", "full" and "incremental" are +** The following strings, "none", "full" and "incremental" are ** acceptable, as are their numeric equivalents: 0, 1 and 2 respectively. */ static int getAutoVacuum(const char *z){ @@ -122407,7 +125988,7 @@ static const char *actionName(u8 action){ case OE_SetDflt: zName = "SET DEFAULT"; break; case OE_Cascade: zName = "CASCADE"; break; case OE_Restrict: zName = "RESTRICT"; break; - default: zName = "NO ACTION"; + default: zName = "NO ACTION"; assert( action==OE_None ); break; } return zName; @@ -122460,6 +126041,55 @@ static const PragmaName *pragmaLocate(const char *zName){ } /* +** Create zero or more entries in the output for the SQL functions +** defined by FuncDef p. +*/ +static void pragmaFunclistLine( + Vdbe *v, /* The prepared statement being created */ + FuncDef *p, /* A particular function definition */ + int isBuiltin, /* True if this is a built-in function */ + int showInternFuncs /* True if showing internal functions */ +){ + for(; p; p=p->pNext){ + const char *zType; + static const u32 mask = + SQLITE_DETERMINISTIC | + SQLITE_DIRECTONLY | + SQLITE_SUBTYPE | + SQLITE_INNOCUOUS | + SQLITE_FUNC_INTERNAL + ; + static const char *azEnc[] = { 0, "utf8", "utf16le", "utf16be" }; + + assert( SQLITE_FUNC_ENCMASK==0x3 ); + assert( strcmp(azEnc[SQLITE_UTF8],"utf8")==0 ); + assert( strcmp(azEnc[SQLITE_UTF16LE],"utf16le")==0 ); + assert( strcmp(azEnc[SQLITE_UTF16BE],"utf16be")==0 ); + + if( p->xSFunc==0 ) continue; + if( (p->funcFlags & SQLITE_FUNC_INTERNAL)!=0 + && showInternFuncs==0 + ){ + continue; + } + if( p->xValue!=0 ){ + zType = "w"; + }else if( p->xFinalize!=0 ){ + zType = "a"; + }else{ + zType = "s"; + } + sqlite3VdbeMultiLoad(v, 1, "sissii", + p->zName, isBuiltin, + zType, azEnc[p->funcFlags&SQLITE_FUNC_ENCMASK], + p->nArg, + (p->funcFlags & mask) ^ SQLITE_INNOCUOUS + ); + } +} + + +/* ** Helper subroutine for PRAGMA integrity_check: ** ** Generate code to output a single-column result row with a value of the @@ -122476,7 +126106,7 @@ static int integrityCheckResultRow(Vdbe *v){ } /* -** Process a pragma statement. +** Process a pragma statement. ** ** Pragmas are of this form: ** @@ -122491,7 +126121,7 @@ static int integrityCheckResultRow(Vdbe *v){ ** id and pId2 is any empty string. */ SQLITE_PRIVATE void sqlite3Pragma( - Parse *pParse, + Parse *pParse, Token *pId1, /* First part of [schema.]id field */ Token *pId2, /* Second part of [schema.]id field, or NULL */ Token *pValue, /* Token for <value>, or NULL */ @@ -122519,8 +126149,8 @@ SQLITE_PRIVATE void sqlite3Pragma( if( iDb<0 ) return; pDb = &db->aDb[iDb]; - /* If the temp database has been explicitly named as part of the - ** pragma, make sure it is open. + /* If the temp database has been explicitly named as part of the + ** pragma, make sure it is open. */ if( iDb==1 && sqlite3OpenTempDatabase(pParse) ){ return; @@ -122588,7 +126218,7 @@ SQLITE_PRIVATE void sqlite3Pragma( } /* Register the result column names for pragmas that return results */ - if( (pPragma->mPragFlg & PragFlg_NoColumns)==0 + if( (pPragma->mPragFlg & PragFlg_NoColumns)==0 && ((pPragma->mPragFlg & PragFlg_NoColumns1)==0 || zRight==0) ){ setPragmaResultColumnNames(v, pPragma); @@ -122596,7 +126226,7 @@ SQLITE_PRIVATE void sqlite3Pragma( /* Jump to the appropriate pragma handler */ switch( pPragma->ePragTyp ){ - + #if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED) /* ** PRAGMA [schema.]default_cache_size @@ -122670,7 +126300,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** buffer that the pager module resizes using sqlite3_realloc(). */ db->nextPagesize = sqlite3Atoi(zRight); - if( SQLITE_NOMEM==sqlite3BtreeSetPageSize(pBt, db->nextPagesize,-1,0) ){ + if( SQLITE_NOMEM==sqlite3BtreeSetPageSize(pBt, db->nextPagesize,0,0) ){ sqlite3OomFault(db); } } @@ -122712,7 +126342,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** PRAGMA [schema.]max_page_count=N ** ** The first form reports the current setting for the - ** maximum number of pages in the database file. The + ** maximum number of pages in the database file. The ** second form attempts to change this setting. Both ** forms return the current setting. ** @@ -122726,13 +126356,19 @@ SQLITE_PRIVATE void sqlite3Pragma( */ case PragTyp_PAGE_COUNT: { int iReg; + i64 x = 0; sqlite3CodeVerifySchema(pParse, iDb); iReg = ++pParse->nMem; if( sqlite3Tolower(zLeft[0])=='p' ){ sqlite3VdbeAddOp2(v, OP_Pagecount, iDb, iReg); }else{ - sqlite3VdbeAddOp3(v, OP_MaxPgcnt, iDb, iReg, - sqlite3AbsInt32(sqlite3Atoi(zRight))); + if( zRight && sqlite3DecOrHexToI64(zRight,&x)==0 ){ + if( x<0 ) x = 0; + else if( x>0xfffffffe ) x = 0xfffffffe; + }else{ + x = 0; + } + sqlite3VdbeAddOp3(v, OP_MaxPgcnt, iDb, iReg, (int)x); } sqlite3VdbeAddOp2(v, OP_ResultRow, iReg, 1); break; @@ -122873,7 +126509,7 @@ SQLITE_PRIVATE void sqlite3Pragma( */ rc = sqlite3BtreeSetAutoVacuum(pBt, eAuto); if( rc==SQLITE_OK && (eAuto==1 || eAuto==2) ){ - /* When setting the auto_vacuum mode to either "full" or + /* When setting the auto_vacuum mode to either "full" or ** "incremental", write the value of meta[6] in the database ** file. Before writing to meta[6], check that meta[3] indicates ** that this really is an auto-vacuum capable database. @@ -122975,7 +126611,7 @@ SQLITE_PRIVATE void sqlite3Pragma( assert( sqlite3SchemaMutexHeld(db, iDb, 0) ); if( !zRight ){ returnSingleInt(v, - (db->flags & SQLITE_CacheSpill)==0 ? 0 : + (db->flags & SQLITE_CacheSpill)==0 ? 0 : sqlite3BtreeSetSpillSize(pDb->pBt,0)); }else{ int size = 1; @@ -123149,7 +126785,7 @@ SQLITE_PRIVATE void sqlite3Pragma( Pager *pPager = sqlite3BtreePager(pDb->pBt); char *proxy_file_path = NULL; sqlite3_file *pFile = sqlite3PagerFile(pPager); - sqlite3OsFileControlHint(pFile, SQLITE_GET_LOCKPROXYFILE, + sqlite3OsFileControlHint(pFile, SQLITE_GET_LOCKPROXYFILE, &proxy_file_path); returnSingleText(v, proxy_file_path); }else{ @@ -123157,10 +126793,10 @@ SQLITE_PRIVATE void sqlite3Pragma( sqlite3_file *pFile = sqlite3PagerFile(pPager); int res; if( zRight[0] ){ - res=sqlite3OsFileControl(pFile, SQLITE_SET_LOCKPROXYFILE, + res=sqlite3OsFileControl(pFile, SQLITE_SET_LOCKPROXYFILE, zRight); } else { - res=sqlite3OsFileControl(pFile, SQLITE_SET_LOCKPROXYFILE, + res=sqlite3OsFileControl(pFile, SQLITE_SET_LOCKPROXYFILE, NULL); } if( res!=SQLITE_OK ){ @@ -123170,8 +126806,8 @@ SQLITE_PRIVATE void sqlite3Pragma( } break; } -#endif /* SQLITE_ENABLE_LOCKING_STYLE */ - +#endif /* SQLITE_ENABLE_LOCKING_STYLE */ + /* ** PRAGMA [schema.]synchronous ** PRAGMA [schema.]synchronous=OFF|ON|NORMAL|FULL|EXTRA @@ -123186,7 +126822,7 @@ SQLITE_PRIVATE void sqlite3Pragma( returnSingleInt(v, pDb->safety_level-1); }else{ if( !db->autoCommit ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "Safety level may not be changed inside a transaction"); }else if( iDb!=1 ){ int iLevel = (getSafetyLevel(zRight,0,1)+1) & PAGER_SYNCHRONOUS_MASK; @@ -123226,7 +126862,7 @@ SQLITE_PRIVATE void sqlite3Pragma( if( mask==SQLITE_DeferFKs ) db->nDeferredImmCons = 0; } - /* Many of the flag-pragmas modify the code generated by the SQL + /* Many of the flag-pragmas modify the code generated by the SQL ** compiler (eg. count_changes). So add an opcode to expire all ** compiled SQL statements after modifying a pragma value. */ @@ -123253,21 +126889,29 @@ SQLITE_PRIVATE void sqlite3Pragma( */ case PragTyp_TABLE_INFO: if( zRight ){ Table *pTab; + sqlite3CodeVerifyNamedSchema(pParse, zDb); pTab = sqlite3LocateTable(pParse, LOCATE_NOERR, zRight, zDb); if( pTab ){ - int iTabDb = sqlite3SchemaToIndex(db, pTab->pSchema); int i, k; int nHidden = 0; Column *pCol; Index *pPk = sqlite3PrimaryKeyIndex(pTab); pParse->nMem = 7; - sqlite3CodeVerifySchema(pParse, iTabDb); sqlite3ViewGetColumnNames(pParse, pTab); for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){ - int isHidden = IsHiddenColumn(pCol); - if( isHidden && pPragma->iArg==0 ){ - nHidden++; - continue; + int isHidden = 0; + if( pCol->colFlags & COLFLAG_NOINSERT ){ + if( pPragma->iArg==0 ){ + nHidden++; + continue; + } + if( pCol->colFlags & COLFLAG_VIRTUAL ){ + isHidden = 2; /* GENERATED ALWAYS AS ... VIRTUAL */ + }else if( pCol->colFlags & COLFLAG_STORED ){ + isHidden = 3; /* GENERATED ALWAYS AS ... STORED */ + }else{ assert( pCol->colFlags & COLFLAG_HIDDEN ); + isHidden = 1; /* HIDDEN */ + } } if( (pCol->colFlags & COLFLAG_PRIMKEY)==0 ){ k = 0; @@ -123276,13 +126920,13 @@ SQLITE_PRIVATE void sqlite3Pragma( }else{ for(k=1; k<=pTab->nCol && pPk->aiColumn[k-1]!=i; k++){} } - assert( pCol->pDflt==0 || pCol->pDflt->op==TK_SPAN ); + assert( pCol->pDflt==0 || pCol->pDflt->op==TK_SPAN || isHidden>=2 ); sqlite3VdbeMultiLoad(v, 1, pPragma->iArg ? "issisii" : "issisi", i-nHidden, pCol->zName, sqlite3ColumnType(pCol,""), pCol->notNull ? 1 : 0, - pCol->pDflt ? pCol->pDflt->u.zToken : 0, + pCol->pDflt && isHidden<2 ? pCol->pDflt->u.zToken : 0, k, isHidden); } @@ -123414,16 +127058,16 @@ SQLITE_PRIVATE void sqlite3Pragma( int i; HashElem *j; FuncDef *p; - pParse->nMem = 2; + int showInternFunc = (db->mDbFlags & DBFLAG_InternalFunc)!=0; + pParse->nMem = 6; for(i=0; i<SQLITE_FUNC_HASH_SZ; i++){ for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash ){ - if( p->funcFlags & SQLITE_FUNC_INTERNAL ) continue; - sqlite3VdbeMultiLoad(v, 1, "si", p->zName, 1); + pragmaFunclistLine(v, p, 1, showInternFunc); } } for(j=sqliteHashFirst(&db->aFunc); j; j=sqliteHashNext(j)){ p = (FuncDef*)sqliteHashData(j); - sqlite3VdbeMultiLoad(v, 1, "si", p->zName, 0); + pragmaFunclistLine(v, p, 0, showInternFunc); } } break; @@ -123460,7 +127104,7 @@ SQLITE_PRIVATE void sqlite3Pragma( pFK = pTab->pFKey; if( pFK ){ int iTabDb = sqlite3SchemaToIndex(db, pTab->pSchema); - int i = 0; + int i = 0; pParse->nMem = 8; sqlite3CodeVerifySchema(pParse, iTabDb); while(pFK){ @@ -123509,7 +127153,6 @@ SQLITE_PRIVATE void sqlite3Pragma( regRow = ++pParse->nMem; k = sqliteHashFirst(&db->aDb[iDb].pSchema->tblHash); while( k ){ - int iTabDb; if( zRight ){ pTab = sqlite3LocateTable(pParse, 0, zRight, zDb); k = 0; @@ -123518,23 +127161,24 @@ SQLITE_PRIVATE void sqlite3Pragma( k = sqliteHashNext(k); } if( pTab==0 || pTab->pFKey==0 ) continue; - iTabDb = sqlite3SchemaToIndex(db, pTab->pSchema); - sqlite3CodeVerifySchema(pParse, iTabDb); - sqlite3TableLock(pParse, iTabDb, pTab->tnum, 0, pTab->zName); + iDb = sqlite3SchemaToIndex(db, pTab->pSchema); + zDb = db->aDb[iDb].zDbSName; + sqlite3CodeVerifySchema(pParse, iDb); + sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName); if( pTab->nCol+regRow>pParse->nMem ) pParse->nMem = pTab->nCol + regRow; - sqlite3OpenTable(pParse, 0, iTabDb, pTab, OP_OpenRead); + sqlite3OpenTable(pParse, 0, iDb, pTab, OP_OpenRead); sqlite3VdbeLoadString(v, regResult, pTab->zName); for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){ pParent = sqlite3FindTable(db, pFK->zTo, zDb); if( pParent==0 ) continue; pIdx = 0; - sqlite3TableLock(pParse, iTabDb, pParent->tnum, 0, pParent->zName); + sqlite3TableLock(pParse, iDb, pParent->tnum, 0, pParent->zName); x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, 0); if( x==0 ){ if( pIdx==0 ){ - sqlite3OpenTable(pParse, i, iTabDb, pParent, OP_OpenRead); + sqlite3OpenTable(pParse, i, iDb, pParent, OP_OpenRead); }else{ - sqlite3VdbeAddOp3(v, OP_OpenRead, i, pIdx->tnum, iTabDb); + sqlite3VdbeAddOp3(v, OP_OpenRead, i, pIdx->tnum, iDb); sqlite3VdbeSetP4KeyInfo(pParse, pIdx); } }else{ @@ -123557,8 +127201,8 @@ SQLITE_PRIVATE void sqlite3Pragma( addrOk = sqlite3VdbeMakeLabel(pParse); /* Generate code to read the child key values into registers - ** regRow..regRow+n. If any of the child key values are NULL, this - ** row cannot cause an FK violation. Jump directly to addrOk in + ** regRow..regRow+n. If any of the child key values are NULL, this + ** row cannot cause an FK violation. Jump directly to addrOk in ** this case. */ for(j=0; j<pFK->nCol; j++){ int iCol = aiCols ? aiCols[j] : pFK->aCol[j].iFrom; @@ -123623,13 +127267,26 @@ SQLITE_PRIVATE void sqlite3Pragma( ** ** Verify the integrity of the database. ** - ** The "quick_check" is reduced version of + ** The "quick_check" is reduced version of ** integrity_check designed to detect most database corruption ** without the overhead of cross-checking indexes. Quick_check ** is linear time wherease integrity_check is O(NlogN). + ** + ** The maximum nubmer of errors is 100 by default. A different default + ** can be specified using a numeric parameter N. + ** + ** Or, the parameter N can be the name of a table. In that case, only + ** the one table named is verified. The freelist is only verified if + ** the named table is "sqlite_schema" (or one of its aliases). + ** + ** All schemas are checked by default. To check just a single + ** schema, use the form: + ** + ** PRAGMA schema.integrity_check; */ case PragTyp_INTEGRITY_CHECK: { int i, j, addr, mxErr; + Table *pObjTab = 0; /* Check only this one table, if not NULL */ int isQuick = (sqlite3Tolower(zLeft[0])=='q'); @@ -123652,9 +127309,13 @@ SQLITE_PRIVATE void sqlite3Pragma( /* Set the maximum error count */ mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX; if( zRight ){ - sqlite3GetInt32(zRight, &mxErr); - if( mxErr<=0 ){ - mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX; + if( sqlite3GetInt32(zRight, &mxErr) ){ + if( mxErr<=0 ){ + mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX; + } + }else{ + pObjTab = sqlite3LocateTable(pParse, 0, zRight, + iDb>=0 ? db->aDb[iDb].zDbSName : 0); } } sqlite3VdbeAddOp2(v, OP_Integer, mxErr-1, 1); /* reg[1] holds errors left */ @@ -123683,15 +127344,21 @@ SQLITE_PRIVATE void sqlite3Pragma( Table *pTab = sqliteHashData(x); /* Current table */ Index *pIdx; /* An index on pTab */ int nIdx; /* Number of indexes on pTab */ + if( pObjTab && pObjTab!=pTab ) continue; if( HasRowid(pTab) ) cnt++; for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){ cnt++; } if( nIdx>mxIdx ) mxIdx = nIdx; } + if( cnt==0 ) continue; + if( pObjTab ) cnt++; aRoot = sqlite3DbMallocRawNN(db, sizeof(int)*(cnt+1)); if( aRoot==0 ) break; - for(cnt=0, x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){ + cnt = 0; + if( pObjTab ) aRoot[++cnt] = 0; + for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){ Table *pTab = sqliteHashData(x); Index *pIdx; + if( pObjTab && pObjTab!=pTab ) continue; if( HasRowid(pTab) ) aRoot[++cnt] = pTab->tnum; for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ aRoot[++cnt] = pIdx->tnum; @@ -123725,11 +127392,12 @@ SQLITE_PRIVATE void sqlite3Pragma( int r1 = -1; if( pTab->tnum<1 ) continue; /* Skip VIEWs or VIRTUAL TABLEs */ + if( pObjTab && pObjTab!=pTab ) continue; pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab); sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenRead, 0, 1, 0, &iDataCur, &iIdxCur); /* reg[7] counts the number of entries in the table. - ** reg[8+i] counts the number of entries in the i-th index + ** reg[8+i] counts the number of entries in the i-th index */ sqlite3VdbeAddOp2(v, OP_Integer, 0, 7); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ @@ -123741,7 +127409,7 @@ SQLITE_PRIVATE void sqlite3Pragma( loopTop = sqlite3VdbeAddOp2(v, OP_AddImm, 7, 1); if( !isQuick ){ /* Sanity check on record header decoding */ - sqlite3VdbeAddOp3(v, OP_Column, iDataCur, pTab->nCol-1, 3); + sqlite3VdbeAddOp3(v, OP_Column, iDataCur, pTab->nNVCol-1,3); sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG); } /* Verify that all NOT NULL columns really are NOT NULL */ @@ -123751,7 +127419,9 @@ SQLITE_PRIVATE void sqlite3Pragma( if( j==pTab->iPKey ) continue; if( pTab->aCol[j].notNull==0 ) continue; sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3); - sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG); + if( sqlite3VdbeGetOp(v,-1)->opcode==OP_Column ){ + sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG); + } jmp2 = sqlite3VdbeAddOp1(v, OP_NotNull, 3); VdbeCoverage(v); zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName, pTab->aCol[j].zName); @@ -123771,7 +127441,7 @@ SQLITE_PRIVATE void sqlite3Pragma( for(k=pCheck->nExpr-1; k>0; k--){ sqlite3ExprIfFalse(pParse, pCheck->a[k].pExpr, addrCkFault, 0); } - sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, + sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, SQLITE_JUMPIFNULL); sqlite3VdbeResolveLabel(v, addrCkFault); pParse->iSelfTab = 0; @@ -123833,7 +127503,6 @@ SQLITE_PRIVATE void sqlite3Pragma( } sqlite3VdbeAddOp2(v, OP_Next, iDataCur, loopTop); VdbeCoverage(v); sqlite3VdbeJumpHere(v, loopTop-1); -#ifndef SQLITE_OMIT_BTREECOUNT if( !isQuick ){ sqlite3VdbeLoadString(v, 2, "wrong # of entries in index "); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ @@ -123847,8 +127516,7 @@ SQLITE_PRIVATE void sqlite3Pragma( sqlite3VdbeJumpHere(v, addr); } } -#endif /* SQLITE_OMIT_BTREECOUNT */ - } + } } { static const int iLn = VDBE_OFFSET_LINENO(2); @@ -123890,7 +127558,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** encoding that will be used for the main database file if a new file ** is created. If an existing main database file is opened, then the ** default text encoding for the existing database is used. - ** + ** ** In all cases new databases created using the ATTACH command are ** created to use the same default text encoding as the main database. If ** the main database has not been initialized and/or created when ATTACH @@ -123928,14 +127596,12 @@ SQLITE_PRIVATE void sqlite3Pragma( ** will be overwritten when the schema is next loaded. If it does not ** already exists, it will be created to use the new encoding value. */ - if( - !(DbHasProperty(db, 0, DB_SchemaLoaded)) || - DbHasProperty(db, 0, DB_Empty) - ){ + if( (db->mDbFlags & DBFLAG_EncodingFixed)==0 ){ for(pEnc=&encnames[0]; pEnc->zName; pEnc++){ if( 0==sqlite3StrICmp(zRight, pEnc->zName) ){ - SCHEMA_ENC(db) = ENC(db) = - pEnc->enc ? pEnc->enc : SQLITE_UTF16NATIVE; + u8 enc = pEnc->enc ? pEnc->enc : SQLITE_UTF16NATIVE; + SCHEMA_ENC(db) = enc; + sqlite3SetTextEncoding(db, enc); break; } } @@ -123998,6 +127664,7 @@ SQLITE_PRIVATE void sqlite3Pragma( aOp[1].p1 = iDb; aOp[1].p2 = iCookie; aOp[1].p3 = sqlite3Atoi(zRight); + aOp[1].p5 = 1; }else{ /* Read the specified cookie value */ static const VdbeOpList readCookie[] = { @@ -124074,8 +127741,8 @@ SQLITE_PRIVATE void sqlite3Pragma( if( zRight ){ sqlite3_wal_autocheckpoint(db, sqlite3Atoi(zRight)); } - returnSingleInt(v, - db->xWalCallback==sqlite3WalDefaultHook ? + returnSingleInt(v, + db->xWalCallback==sqlite3WalDefaultHook ? SQLITE_PTR_TO_INT(db->pWalArg) : 0); } break; @@ -124115,7 +127782,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** 0x0002 Run ANALYZE on tables that might benefit. On by default. ** See below for additional information. ** - ** 0x0004 (Not yet implemented) Record usage and performance + ** 0x0004 (Not yet implemented) Record usage and performance ** information from the current session in the ** database file so that it will be available to "optimize" ** pragmas run by future database connections. @@ -124126,7 +127793,7 @@ SQLITE_PRIVATE void sqlite3Pragma( ** The default MASK is and always shall be 0xfffe. 0xfffe means perform all ** of the optimizations listed above except Debug Mode, including new ** optimizations that have not yet been invented. If new optimizations are - ** ever added that should be off by default, those off-by-default + ** ever added that should be off by default, those off-by-default ** optimizations will have bitmasks of 0x10000 or larger. ** ** DETERMINATION OF WHEN TO RUN ANALYZE @@ -124187,7 +127854,7 @@ SQLITE_PRIVATE void sqlite3Pragma( } if( szThreshold ){ sqlite3OpenTable(pParse, iTabCur, iDb, pTab, OP_OpenRead); - sqlite3VdbeAddOp3(v, OP_IfSmaller, iTabCur, + sqlite3VdbeAddOp3(v, OP_IfSmaller, iTabCur, sqlite3VdbeCurrentAddr(v)+2+(opMask&1), szThreshold); VdbeCoverage(v); } @@ -124245,6 +127912,27 @@ SQLITE_PRIVATE void sqlite3Pragma( } /* + ** PRAGMA hard_heap_limit + ** PRAGMA hard_heap_limit = N + ** + ** Invoke sqlite3_hard_heap_limit64() to query or set the hard heap + ** limit. The hard heap limit can be activated or lowered by this + ** pragma, but not raised or deactivated. Only the + ** sqlite3_hard_heap_limit64() C-language API can raise or deactivate + ** the hard heap limit. This allows an application to set a heap limit + ** constraint that cannot be relaxed by an untrusted SQL script. + */ + case PragTyp_HARD_HEAP_LIMIT: { + sqlite3_int64 N; + if( zRight && sqlite3DecOrHexToI64(zRight, &N)==SQLITE_OK ){ + sqlite3_int64 iPrior = sqlite3_hard_heap_limit64(-1); + if( N>0 && (iPrior==0 || iPrior>N) ) sqlite3_hard_heap_limit64(N); + } + returnSingleInt(v, sqlite3_hard_heap_limit64(-1)); + break; + } + + /* ** PRAGMA threads ** PRAGMA threads = N ** @@ -124263,6 +127951,25 @@ SQLITE_PRIVATE void sqlite3Pragma( break; } + /* + ** PRAGMA analysis_limit + ** PRAGMA analysis_limit = N + ** + ** Configure the maximum number of rows that ANALYZE will examine + ** in each index that it looks at. Return the new limit. + */ + case PragTyp_ANALYSIS_LIMIT: { + sqlite3_int64 N; + if( zRight + && sqlite3DecOrHexToI64(zRight, &N)==SQLITE_OK + && N>=0 + ){ + db->nAnalysisLimit = (int)(N&0x7fffffff); + } + returnSingleInt(v, db->nAnalysisLimit); + break; + } + #if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) /* ** Report the current state of file logs for all databases @@ -124281,7 +127988,7 @@ SQLITE_PRIVATE void sqlite3Pragma( pBt = db->aDb[i].pBt; if( pBt==0 || sqlite3BtreePager(pBt)==0 ){ zState = "closed"; - }else if( sqlite3_file_control(db, i ? db->aDb[i].zDbSName : 0, + }else if( sqlite3_file_control(db, i ? db->aDb[i].zDbSName : 0, SQLITE_FCNTL_LOCKSTATE, &j)==SQLITE_OK ){ zState = azLockName[j]; } @@ -124291,59 +127998,11 @@ SQLITE_PRIVATE void sqlite3Pragma( } #endif -#ifdef SQLITE_HAS_CODEC - /* Pragma iArg - ** ---------- ------ - ** key 0 - ** rekey 1 - ** hexkey 2 - ** hexrekey 3 - ** textkey 4 - ** textrekey 5 - */ - case PragTyp_KEY: { - if( zRight ){ - char zBuf[40]; - const char *zKey = zRight; - int n; - if( pPragma->iArg==2 || pPragma->iArg==3 ){ - u8 iByte; - int i; - for(i=0, iByte=0; i<sizeof(zBuf)*2 && sqlite3Isxdigit(zRight[i]); i++){ - iByte = (iByte<<4) + sqlite3HexToInt(zRight[i]); - if( (i&1)!=0 ) zBuf[i/2] = iByte; - } - zKey = zBuf; - n = i/2; - }else{ - n = pPragma->iArg<4 ? sqlite3Strlen30(zRight) : -1; - } - if( (pPragma->iArg & 1)==0 ){ - rc = sqlite3_key_v2(db, zDb, zKey, n); - }else{ - rc = sqlite3_rekey_v2(db, zDb, zKey, n); - } - if( rc==SQLITE_OK && n!=0 ){ - sqlite3VdbeSetNumCols(v, 1); - sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "ok", SQLITE_STATIC); - returnSingleText(v, "ok"); - } - } - break; - } -#endif -#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD) +#if defined(SQLITE_ENABLE_CEROD) case PragTyp_ACTIVATE_EXTENSIONS: if( zRight ){ -#ifdef SQLITE_HAS_CODEC - if( sqlite3StrNICmp(zRight, "see-", 4)==0 ){ - sqlite3_activate_see(&zRight[4]); - } -#endif -#ifdef SQLITE_ENABLE_CEROD if( sqlite3StrNICmp(zRight, "cerod-", 6)==0 ){ sqlite3_activate_cerod(&zRight[6]); } -#endif } break; #endif @@ -124353,7 +128012,7 @@ SQLITE_PRIVATE void sqlite3Pragma( /* The following block is a no-op unless SQLITE_DEBUG is defined. Its only ** purpose is to execute assert() statements to verify that if the ** PragFlg_NoColumns1 flag is set and the caller specified an argument - ** to the PRAGMA, the implementation has not added any OP_ResultRow + ** to the PRAGMA, the implementation has not added any OP_ResultRow ** instructions to the VM. */ if( (pPragma->mPragFlg & PragFlg_NoColumns1) && zRight ){ sqlite3VdbeVerifyNoResultRow(v); @@ -124384,7 +128043,7 @@ struct PragmaVtabCursor { char *azArg[2]; /* Value of the argument and schema */ }; -/* +/* ** Pragma virtual table module xConnect method. */ static int pragmaVtabConnect( @@ -124446,7 +128105,7 @@ static int pragmaVtabConnect( return rc; } -/* +/* ** Pragma virtual table module xDisconnect method. */ static int pragmaVtabDisconnect(sqlite3_vtab *pVtab){ @@ -124544,11 +128203,11 @@ static int pragmaVtabNext(sqlite3_vtab_cursor *pVtabCursor){ return rc; } -/* +/* ** Pragma virtual table module xFilter method. */ static int pragmaVtabFilter( - sqlite3_vtab_cursor *pVtabCursor, + sqlite3_vtab_cursor *pVtabCursor, int idxNum, const char *idxStr, int argc, sqlite3_value **argv ){ @@ -124603,11 +128262,11 @@ static int pragmaVtabEof(sqlite3_vtab_cursor *pVtabCursor){ } /* The xColumn method simply returns the corresponding column from -** the PRAGMA. +** the PRAGMA. */ static int pragmaVtabColumn( - sqlite3_vtab_cursor *pVtabCursor, - sqlite3_context *ctx, + sqlite3_vtab_cursor *pVtabCursor, + sqlite3_context *ctx, int i ){ PragmaVtabCursor *pCsr = (PragmaVtabCursor*)pVtabCursor; @@ -124620,7 +128279,7 @@ static int pragmaVtabColumn( return SQLITE_OK; } -/* +/* ** Pragma virtual table module xRowid method. */ static int pragmaVtabRowid(sqlite3_vtab_cursor *pVtabCursor, sqlite_int64 *p){ @@ -124737,6 +128396,18 @@ SQLITE_PRIVATE int sqlite3IndexHasDuplicateRootPage(Index *pIndex){ return 0; } +/* forward declaration */ +static int sqlite3Prepare( + sqlite3 *db, /* Database handle. */ + const char *zSql, /* UTF-8 encoded SQL statement. */ + int nBytes, /* Length of zSql in bytes. */ + u32 prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ + Vdbe *pReprepare, /* VM being reprepared */ + sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ + const char **pzTail /* OUT: End of parsed string */ +); + + /* ** This is the callback routine for the code that initializes the ** database. See sqlite3Init() below for additional information. @@ -124759,7 +128430,7 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char assert( argc==5 ); UNUSED_PARAMETER2(NotUsed, argc); assert( sqlite3_mutex_held(db->mutex) ); - DbClearProperty(db, iDb, DB_Empty); + db->mDbFlags |= DBFLAG_EncodingFixed; pData->nInitRow++; if( db->mallocFailed ){ corruptSchema(pData, argv[1], 0); @@ -124783,10 +128454,17 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char assert( db->init.busy ); db->init.iDb = iDb; - db->init.newTnum = sqlite3Atoi(argv[3]); + if( sqlite3GetUInt32(argv[3], &db->init.newTnum)==0 + || (db->init.newTnum>pData->mxPage && pData->mxPage>0) + ){ + if( sqlite3Config.bExtraSchemaChecks ){ + corruptSchema(pData, argv[1], "invalid rootpage"); + } + } db->init.orphanTrigger = 0; db->init.azInit = argv; - TESTONLY(rcp = ) sqlite3_prepare(db, argv[4], -1, &pStmt, 0); + pStmt = 0; + TESTONLY(rcp = ) sqlite3Prepare(db, argv[4], -1, 0, 0, &pStmt, 0); rc = db->errCode; assert( (rc&0xFF)==(rcp&0xFF) ); db->init.iDb = saved_iDb; @@ -124815,12 +128493,17 @@ SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char */ Index *pIndex; pIndex = sqlite3FindIndex(db, argv[1], db->aDb[iDb].zDbSName); - if( pIndex==0 - || sqlite3GetInt32(argv[3],&pIndex->tnum)==0 + if( pIndex==0 ){ + corruptSchema(pData, argv[1], "orphan index"); + }else + if( sqlite3GetUInt32(argv[3],&pIndex->tnum)==0 || pIndex->tnum<2 + || pIndex->tnum>pData->mxPage || sqlite3IndexHasDuplicateRootPage(pIndex) ){ - corruptSchema(pData, argv[1], pIndex?"invalid rootpage":"orphan index"); + if( sqlite3Config.bExtraSchemaChecks ){ + corruptSchema(pData, argv[1], "invalid rootpage"); + } } } return 0; @@ -124844,8 +128527,9 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl char const *azArg[6]; int meta[5]; InitData initData; - const char *zMasterName; + const char *zSchemaTabName; int openedTransaction = 0; + int mask = ((db->mDbFlags & DBFLAG_EncodingFixed) | ~DBFLAG_EncodingFixed); assert( (db->mDbFlags & DBFLAG_SchemaKnownOk)==0 ); assert( iDb>=0 && iDb<db->nDb ); @@ -124855,13 +128539,13 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl db->init.busy = 1; - /* Construct the in-memory representation schema tables (sqlite_master or - ** sqlite_temp_master) by invoking the parser directly. The appropriate + /* Construct the in-memory representation schema tables (sqlite_schema or + ** sqlite_temp_schema) by invoking the parser directly. The appropriate ** table name will be inserted automatically by the parser so we can just ** use the abbreviation "x" here. The parser will also automatically tag ** the schema table as read-only. */ azArg[0] = "table"; - azArg[1] = zMasterName = SCHEMA_TABLE(iDb); + azArg[1] = zSchemaTabName = SCHEMA_TABLE(iDb); azArg[2] = azArg[1]; azArg[3] = "1"; azArg[4] = "CREATE TABLE x(type text,name text,tbl_name text," @@ -124873,7 +128557,9 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl initData.pzErrMsg = pzErrMsg; initData.mInitFlags = mFlags; initData.nInitRow = 0; + initData.mxPage = 0; sqlite3InitCallback(&initData, 5, (char **)azArg, 0); + db->mDbFlags &= mask; if( initData.rc ){ rc = initData.rc; goto error_out; @@ -124890,7 +128576,7 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl } /* If there is not already a read-only (or read-write) transaction opened - ** on the b-tree database, open one now. If a transaction is opened, it + ** on the b-tree database, open one now. If a transaction is opened, it ** will be closed before this function returns. */ sqlite3BtreeEnter(pDb->pBt); if( !sqlite3BtreeIsInReadTrans(pDb->pBt) ){ @@ -124933,27 +128619,25 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl ** as sqlite3.enc. */ if( meta[BTREE_TEXT_ENCODING-1] ){ /* text encoding */ - if( iDb==0 ){ -#ifndef SQLITE_OMIT_UTF16 + if( iDb==0 && (db->mDbFlags & DBFLAG_EncodingFixed)==0 ){ u8 encoding; +#ifndef SQLITE_OMIT_UTF16 /* If opening the main database, set ENC(db). */ encoding = (u8)meta[BTREE_TEXT_ENCODING-1] & 3; if( encoding==0 ) encoding = SQLITE_UTF8; - ENC(db) = encoding; #else - ENC(db) = SQLITE_UTF8; + encoding = SQLITE_UTF8; #endif + sqlite3SetTextEncoding(db, encoding); }else{ /* If opening an attached database, the encoding much match ENC(db) */ - if( meta[BTREE_TEXT_ENCODING-1]!=ENC(db) ){ + if( (meta[BTREE_TEXT_ENCODING-1] & 3)!=ENC(db) ){ sqlite3SetString(pzErrMsg, db, "attached databases must use the same" " text encoding as main database"); rc = SQLITE_ERROR; goto initone_error_out; } } - }else{ - DbSetProperty(db, iDb, DB_Empty); } pDb->pSchema->enc = ENC(db); @@ -124996,11 +128680,12 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl /* Read the schema information out of the schema tables */ assert( db->init.busy ); + initData.mxPage = sqlite3BtreeLastPage(pDb->pBt); { char *zSql; - zSql = sqlite3MPrintf(db, + zSql = sqlite3MPrintf(db, "SELECT*FROM\"%w\".%s ORDER BY rowid", - db->aDb[iDb].zDbSName, zMasterName); + db->aDb[iDb].zDbSName, zSchemaTabName); #ifndef SQLITE_OMIT_AUTHORIZATION { sqlite3_xauth xAuth; @@ -125026,11 +128711,11 @@ SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFl } if( rc==SQLITE_OK || (db->flags&SQLITE_NoSchemaError)){ /* Black magic: If the SQLITE_NoSchemaError flag is set, then consider - ** the schema loaded, even if errors occurred. In this situation the + ** the schema loaded, even if errors occurred. In this situation the ** current sqlite3_prepare() operation will fail, but the following one ** will attempt to compile the supplied statement against whatever subset ** of the schema was loaded before the error occurred. The primary - ** purpose of this is to allow access to the sqlite_master table + ** purpose of this is to allow access to the sqlite_schema table ** even when its contents have been corrupted. */ DbSetProperty(db, iDb, DB_SchemaLoaded); @@ -125065,13 +128750,12 @@ error_out: ** error occurs, write an error message into *pzErrMsg. ** ** After a database is initialized, the DB_SchemaLoaded bit is set -** bit is set in the flags field of the Db structure. If the database -** file was of zero-length, then the DB_Empty flag is also set. +** bit is set in the flags field of the Db structure. */ SQLITE_PRIVATE int sqlite3Init(sqlite3 *db, char **pzErrMsg){ int i, rc; int commit_internal = !(db->mDbFlags&DBFLAG_SchemaChange); - + assert( sqlite3_mutex_held(db->mutex) ); assert( sqlite3BtreeHoldsMutex(db->aDb[0].pBt) ); assert( db->init.busy==0 ); @@ -125136,7 +128820,7 @@ static void schemaIsValid(Parse *pParse){ if( pBt==0 ) continue; /* If there is not already a read-only (or read-write) transaction opened - ** on the b-tree database, open one now. If a transaction is opened, it + ** on the b-tree database, open one now. If a transaction is opened, it ** will be closed immediately after reading the meta-value. */ if( !sqlite3BtreeIsInReadTrans(pBt) ){ rc = sqlite3BtreeBeginTrans(pBt, 0, 0); @@ -125147,7 +128831,7 @@ static void schemaIsValid(Parse *pParse){ openedTransaction = 1; } - /* Read the schema cookie from the database. If it does not match the + /* Read the schema cookie from the database. If it does not match the ** value stored as part of the in-memory schema representation, ** set Parse.rc to SQLITE_SCHEMA. */ sqlite3BtreeGetMeta(pBt, BTREE_SCHEMA_VERSION, (u32 *)&cookie); @@ -125172,17 +128856,18 @@ static void schemaIsValid(Parse *pParse){ ** attached database is returned. */ SQLITE_PRIVATE int sqlite3SchemaToIndex(sqlite3 *db, Schema *pSchema){ - int i = -1000000; + int i = -32768; - /* If pSchema is NULL, then return -1000000. This happens when code in + /* If pSchema is NULL, then return -32768. This happens when code in ** expr.c is trying to resolve a reference to a transient table (i.e. one - ** created by a sub-select). In this case the return value of this + ** created by a sub-select). In this case the return value of this ** function should never be used. ** - ** We return -1000000 instead of the more usual -1 simply because using - ** -1000000 as the incorrect index into db->aDb[] is much + ** We return -32768 instead of the more usual -1 simply because using + ** -32768 as the incorrect index into db->aDb[] is much ** more likely to cause a segfault than -1 (of course there are assert() - ** statements too, but it never hurts to play the odds). + ** statements too, but it never hurts to play the odds) and + ** -32768 will still fit into a 16-bit signed integer. */ assert( sqlite3_mutex_held(db->mutex) ); if( pSchema ){ @@ -125198,15 +128883,31 @@ SQLITE_PRIVATE int sqlite3SchemaToIndex(sqlite3 *db, Schema *pSchema){ } /* +** Deallocate a single AggInfo object +*/ +static void agginfoFree(sqlite3 *db, AggInfo *p){ + sqlite3DbFree(db, p->aCol); + sqlite3DbFree(db, p->aFunc); + sqlite3DbFree(db, p); +} + +/* ** Free all memory allocations in the pParse object */ SQLITE_PRIVATE void sqlite3ParserReset(Parse *pParse){ sqlite3 *db = pParse->db; + AggInfo *pThis = pParse->pAggList; + while( pThis ){ + AggInfo *pNext = pThis->pNext; + agginfoFree(db, pThis); + pThis = pNext; + } sqlite3DbFree(db, pParse->aLabel); sqlite3ExprListDelete(db, pParse->pConstExpr); if( db ){ assert( db->lookaside.bDisable >= pParse->disableLookaside ); db->lookaside.bDisable -= pParse->disableLookaside; + db->lookaside.sz = db->lookaside.bDisable ? 0 : db->lookaside.szTrue; } pParse->disableLookaside = 0; } @@ -125240,7 +128941,7 @@ static int sqlite3Prepare( */ if( prepFlags & SQLITE_PREPARE_PERSISTENT ){ sParse.disableLookaside++; - db->lookaside.bDisable++; + DisableLookaside; } sParse.disableVtab = (prepFlags & SQLITE_PREPARE_NO_VTAB)!=0; @@ -125259,24 +128960,26 @@ static int sqlite3Prepare( ** This thread is currently holding mutexes on all Btrees (because ** of the sqlite3BtreeEnterAll() in sqlite3LockAndPrepare()) so it ** is not possible for another thread to start a new schema change - ** while this routine is running. Hence, we do not need to hold - ** locks on the schema, we just need to make sure nobody else is + ** while this routine is running. Hence, we do not need to hold + ** locks on the schema, we just need to make sure nobody else is ** holding them. ** ** Note that setting READ_UNCOMMITTED overrides most lock detection, ** but it does *not* override schema lock detection, so this all still ** works even if READ_UNCOMMITTED is set. */ - for(i=0; i<db->nDb; i++) { - Btree *pBt = db->aDb[i].pBt; - if( pBt ){ - assert( sqlite3BtreeHoldsMutex(pBt) ); - rc = sqlite3BtreeSchemaLocked(pBt); - if( rc ){ - const char *zDb = db->aDb[i].zDbSName; - sqlite3ErrorWithMsg(db, rc, "database schema is locked: %s", zDb); - testcase( db->flags & SQLITE_ReadUncommit ); - goto end_prepare; + if( !db->noSharedCache ){ + for(i=0; i<db->nDb; i++) { + Btree *pBt = db->aDb[i].pBt; + if( pBt ){ + assert( sqlite3BtreeHoldsMutex(pBt) ); + rc = sqlite3BtreeSchemaLocked(pBt); + if( rc ){ + const char *zDb = db->aDb[i].zDbSName; + sqlite3ErrorWithMsg(db, rc, "database schema is locked: %s", zDb); + testcase( db->flags & SQLITE_ReadUncommit ); + goto end_prepare; + } } } } @@ -125307,48 +129010,24 @@ static int sqlite3Prepare( } assert( 0==sParse.nQueryLoop ); - if( sParse.rc==SQLITE_DONE ) sParse.rc = SQLITE_OK; + if( sParse.rc==SQLITE_DONE ){ + sParse.rc = SQLITE_OK; + } if( sParse.checkSchema ){ schemaIsValid(&sParse); } - if( db->mallocFailed ){ - sParse.rc = SQLITE_NOMEM_BKPT; - } if( pzTail ){ *pzTail = sParse.zTail; } - rc = sParse.rc; - -#ifndef SQLITE_OMIT_EXPLAIN - /* Justification for the ALWAYS(): The only way for rc to be SQLITE_OK and - ** sParse.pVdbe to be NULL is if the input SQL is an empty string, but in - ** that case, sParse.explain will be false. */ - if( sParse.explain && rc==SQLITE_OK && ALWAYS(sParse.pVdbe) ){ - static const char * const azColName[] = { - "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", - "id", "parent", "notused", "detail" - }; - int iFirst, mx; - if( sParse.explain==2 ){ - sqlite3VdbeSetNumCols(sParse.pVdbe, 4); - iFirst = 8; - mx = 12; - }else{ - sqlite3VdbeSetNumCols(sParse.pVdbe, 8); - iFirst = 0; - mx = 8; - } - for(i=iFirst; i<mx; i++){ - sqlite3VdbeSetColName(sParse.pVdbe, i-iFirst, COLNAME_NAME, - azColName[i], SQLITE_STATIC); - } - } -#endif if( db->init.busy==0 ){ sqlite3VdbeSetSql(sParse.pVdbe, zSql, (int)(sParse.zTail-zSql), prepFlags); } - if( rc!=SQLITE_OK || db->mallocFailed ){ + if( db->mallocFailed ){ + sParse.rc = SQLITE_NOMEM_BKPT; + } + rc = sParse.rc; + if( rc!=SQLITE_OK ){ if( sParse.pVdbe ) sqlite3VdbeFinalize(sParse.pVdbe); assert(!(*ppStmt)); }else{ @@ -125416,7 +129095,7 @@ static int sqlite3LockAndPrepare( ** ** If the statement is successfully recompiled, return SQLITE_OK. Otherwise, ** if the statement cannot be recompiled because another connection has -** locked the sqlite3_master table, return SQLITE_LOCKED. If any other error +** locked the sqlite3_schema table, return SQLITE_LOCKED. If any other error ** occurs, return SQLITE_SCHEMA. */ SQLITE_PRIVATE int sqlite3Reprepare(Vdbe *p){ @@ -125517,7 +129196,7 @@ SQLITE_API int sqlite3_prepare_v3( ** Compile the UTF-16 encoded SQL statement zSql into a statement handle. */ static int sqlite3Prepare16( - sqlite3 *db, /* Database handle. */ + sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ u32 prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ @@ -125560,7 +129239,7 @@ static int sqlite3Prepare16( int chars_parsed = sqlite3Utf8CharLen(zSql8, (int)(zTail8-zSql8)); *pzTail = (u8 *)zSql + sqlite3Utf16ByteLen(zSql, chars_parsed); } - sqlite3DbFree(db, zSql8); + sqlite3DbFree(db, zSql8); rc = sqlite3ApiExit(db, rc); sqlite3_mutex_leave(db->mutex); return rc; @@ -125575,7 +129254,7 @@ static int sqlite3Prepare16( ** occurs. */ SQLITE_API int sqlite3_prepare16( - sqlite3 *db, /* Database handle. */ + sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ @@ -125587,7 +129266,7 @@ SQLITE_API int sqlite3_prepare16( return rc; } SQLITE_API int sqlite3_prepare16_v2( - sqlite3 *db, /* Database handle. */ + sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ sqlite3_stmt **ppStmt, /* OUT: A pointer to the prepared statement */ @@ -125599,7 +129278,7 @@ SQLITE_API int sqlite3_prepare16_v2( return rc; } SQLITE_API int sqlite3_prepare16_v3( - sqlite3 *db, /* Database handle. */ + sqlite3 *db, /* Database handle. */ const void *zSql, /* UTF-16 encoded SQL statement. */ int nBytes, /* Length of zSql in bytes. */ unsigned int prepFlags, /* Zero or more SQLITE_PREPARE_* flags */ @@ -125635,20 +129314,6 @@ SQLITE_API int sqlite3_prepare16_v3( /* #include "sqliteInt.h" */ /* -** Trace output macros -*/ -#if SELECTTRACE_ENABLED -/***/ int sqlite3SelectTrace = 0; -# define SELECTTRACE(K,P,S,X) \ - if(sqlite3SelectTrace&(K)) \ - sqlite3DebugPrintf("%u/%d/%p: ",(S)->selId,(P)->addrExplain,(S)),\ - sqlite3DebugPrintf X -#else -# define SELECTTRACE(K,P,S,X) -#endif - - -/* ** An instance of the following object is used to record information about ** how to process the DISTINCT keyword, to simplify passing that information ** into the selectInnerLoop() routine. @@ -125704,7 +129369,10 @@ struct SortCtx { /* ** Delete all the content of a Select structure. Deallocate the structure -** itself only if bFree is true. +** itself depending on the value of bFree +** +** If bFree==1, call sqlite3DbFree() on the p object. +** If bFree==0, Leave the first Select object unfreed */ static void clearSelect(sqlite3 *db, Select *p, int bFree){ while( p ){ @@ -125720,7 +129388,6 @@ static void clearSelect(sqlite3 *db, Select *p, int bFree){ if( OK_IF_ALWAYS_TRUE(p->pWinDefn) ){ sqlite3WindowListDelete(db, p->pWinDefn); } - assert( p->pWin==0 ); #endif if( OK_IF_ALWAYS_TRUE(p->pWith) ) sqlite3WithDelete(db, p->pWith); if( bFree ) sqlite3DbFreeNN(db, p); @@ -125735,6 +129402,7 @@ static void clearSelect(sqlite3 *db, Select *p, int bFree){ SQLITE_PRIVATE void sqlite3SelectDestInit(SelectDest *pDest, int eDest, int iParm){ pDest->eDest = (u8)eDest; pDest->iSDParm = iParm; + pDest->iSDParm2 = 0; pDest->zAffSdst = 0; pDest->iSdst = 0; pDest->nSdst = 0; @@ -125756,9 +129424,9 @@ SQLITE_PRIVATE Select *sqlite3SelectNew( u32 selFlags, /* Flag parameters, such as SF_Distinct */ Expr *pLimit /* LIMIT value. NULL means not used */ ){ - Select *pNew; + Select *pNew, *pAllocated; Select standin; - pNew = sqlite3DbMallocRawNN(pParse->db, sizeof(*pNew) ); + pAllocated = pNew = sqlite3DbMallocRawNN(pParse->db, sizeof(*pNew) ); if( pNew==0 ){ assert( pParse->db->mallocFailed ); pNew = &standin; @@ -125792,12 +129460,11 @@ SQLITE_PRIVATE Select *sqlite3SelectNew( #endif if( pParse->db->mallocFailed ) { clearSelect(pParse->db, pNew, pNew!=&standin); - pNew = 0; + pAllocated = 0; }else{ assert( pNew->pSrc!=0 || pParse->nErr>0 ); } - assert( pNew!=&standin ); - return pNew; + return pAllocated; } @@ -125859,7 +129526,7 @@ SQLITE_PRIVATE int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *p for(i=0; i<3 && apAll[i]; i++){ p = apAll[i]; for(j=0; j<ArraySize(aKeyword); j++){ - if( p->n==aKeyword[j].nChar + if( p->n==aKeyword[j].nChar && sqlite3StrNICmp((char*)p->z, &zKeyText[aKeyword[j].i], p->n)==0 ){ jointype |= aKeyword[j].code; break; @@ -125881,9 +129548,9 @@ SQLITE_PRIVATE int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *p sqlite3ErrorMsg(pParse, "unknown or unsupported join type: " "%T %T%s%T", pA, pB, zSp, pC); jointype = JT_INNER; - }else if( (jointype & JT_OUTER)!=0 + }else if( (jointype & JT_OUTER)!=0 && (jointype & (JT_LEFT|JT_RIGHT))!=JT_LEFT ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "RIGHT and FULL OUTER JOINs are not currently supported"); jointype = JT_INNER; } @@ -125896,15 +129563,17 @@ SQLITE_PRIVATE int sqlite3JoinType(Parse *pParse, Token *pA, Token *pB, Token *p */ static int columnIndex(Table *pTab, const char *zCol){ int i; - for(i=0; i<pTab->nCol; i++){ - if( sqlite3StrICmp(pTab->aCol[i].zName, zCol)==0 ) return i; + u8 h = sqlite3StrIHash(zCol); + Column *pCol; + for(pCol=pTab->aCol, i=0; i<pTab->nCol; pCol++, i++){ + if( pCol->hName==h && sqlite3StrICmp(pCol->zName, zCol)==0 ) return i; } return -1; } /* ** Search the first N tables in pSrc, from left to right, looking for a -** table that has a column named zCol. +** table that has a column named zCol. ** ** When found, set *piTab and *piCol to the table index and column index ** of the matching column and return TRUE. @@ -125916,7 +129585,8 @@ static int tableAndColumnIndex( int N, /* Number of tables in pSrc->a[] to search */ const char *zCol, /* Name of the column we are looking for */ int *piTab, /* Write index of pSrc->a[] here */ - int *piCol /* Write index of pSrc->a[*piTab].pTab->aCol[] here */ + int *piCol, /* Write index of pSrc->a[*piTab].pTab->aCol[] here */ + int bIgnoreHidden /* True to ignore hidden columns */ ){ int i; /* For looping over tables in pSrc */ int iCol; /* Index of column matching zCol */ @@ -125924,7 +129594,9 @@ static int tableAndColumnIndex( assert( (piTab==0)==(piCol==0) ); /* Both or neither are NULL */ for(i=0; i<N; i++){ iCol = columnIndex(pSrc->a[i].pTab, zCol); - if( iCol>=0 ){ + if( iCol>=0 + && (bIgnoreHidden==0 || IsHiddenColumn(&pSrc->a[i].pTab->aCol[iCol])==0) + ){ if( piTab ){ *piTab = i; *piCol = iCol; @@ -125942,7 +129614,7 @@ static int tableAndColumnIndex( ** ** (tab1.col1 = tab2.col2) ** -** where tab1 is the iSrc'th table in SrcList pSrc and tab2 is the +** where tab1 is the iSrc'th table in SrcList pSrc and tab2 is the ** (iSrc+1)'th. Column col1 is column iColLeft of tab1, and col2 is ** column iColRight of tab2. */ @@ -126005,7 +129677,7 @@ static void addWhereTerm( ** after the t1 loop and rows with t1.x!=5 will never appear in ** the output, which is incorrect. */ -static void setJoinExpr(Expr *p, int iTable){ +SQLITE_PRIVATE void sqlite3SetJoinExpr(Expr *p, int iTable){ while( p ){ ExprSetProperty(p, EP_FromJoin); assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); @@ -126014,15 +129686,15 @@ static void setJoinExpr(Expr *p, int iTable){ if( p->op==TK_FUNCTION && p->x.pList ){ int i; for(i=0; i<p->x.pList->nExpr; i++){ - setJoinExpr(p->x.pList->a[i].pExpr, iTable); + sqlite3SetJoinExpr(p->x.pList->a[i].pExpr, iTable); } } - setJoinExpr(p->pLeft, iTable); + sqlite3SetJoinExpr(p->pLeft, iTable); p = p->pRight; - } + } } -/* Undo the work of setJoinExpr(). In the expression tree p, convert every +/* Undo the work of sqlite3SetJoinExpr(). In the expression p, convert every ** term that is marked with EP_FromJoin and iRightJoinTable==iTable into ** an ordinary term that omits the EP_FromJoin mark. ** @@ -126042,7 +129714,7 @@ static void unsetJoinExpr(Expr *p, int iTable){ } unsetJoinExpr(p->pLeft, iTable); p = p->pRight; - } + } } /* @@ -126089,10 +129761,11 @@ static int sqliteProcessJoin(Parse *pParse, Select *p){ int iLeft; /* Matching left table */ int iLeftCol; /* Matching column in the left table */ + if( IsHiddenColumn(&pRightTab->aCol[j]) ) continue; zName = pRightTab->aCol[j].zName; - if( tableAndColumnIndex(pSrc, i+1, zName, &iLeft, &iLeftCol) ){ + if( tableAndColumnIndex(pSrc, i+1, zName, &iLeft, &iLeftCol, 1) ){ addWhereTerm(pParse, pSrc, iLeft, iLeftCol, i+1, j, - isOuter, &p->pWhere); + isOuter, &p->pWhere); } } } @@ -126109,13 +129782,13 @@ static int sqliteProcessJoin(Parse *pParse, Select *p){ ** an AND operator. */ if( pRight->pOn ){ - if( isOuter ) setJoinExpr(pRight->pOn, pRight->iCursor); + if( isOuter ) sqlite3SetJoinExpr(pRight->pOn, pRight->iCursor); p->pWhere = sqlite3ExprAnd(pParse, p->pWhere, pRight->pOn); pRight->pOn = 0; } /* Create extra terms on the WHERE clause for each column named - ** in the USING clause. Example: If the two tables to be joined are + ** in the USING clause. Example: If the two tables to be joined are ** A and B and the USING clause names X, Y, and Z, then add this ** to the WHERE clause: A.X=B.X AND A.Y=B.Y AND A.Z=B.Z ** Report an error if any column mentioned in the USING clause is @@ -126132,7 +129805,7 @@ static int sqliteProcessJoin(Parse *pParse, Select *p){ zName = pList->a[j].zName; iRightCol = columnIndex(pRightTab, zName); if( iRightCol<0 - || !tableAndColumnIndex(pSrc, i+1, zName, &iLeft, &iLeftCol) + || !tableAndColumnIndex(pSrc, i+1, zName, &iLeft, &iLeftCol, 0) ){ sqlite3ErrorMsg(pParse, "cannot join using column %s - column " "not present in both tables", zName); @@ -126236,7 +129909,7 @@ static void pushOntoSorter( ** case regData==regOrigData. ** (3) Some output columns are omitted from the sort record due to ** the SQLITE_ENABLE_SORTER_REFERENCE optimization, or due to the - ** SQLITE_ECEL_OMITREF optimization, or due to the + ** SQLITE_ECEL_OMITREF optimization, or due to the ** SortCtx.pDeferredRowLoad optimiation. In any of these cases ** regOrigData is 0 to prevent this routine from trying to copy ** values that might not yet exist. @@ -126274,7 +129947,7 @@ static void pushOntoSorter( pParse->nMem += pSort->nOBSat; nKey = nExpr - pSort->nOBSat + bSeq; if( bSeq ){ - addrFirst = sqlite3VdbeAddOp1(v, OP_IfNot, regBase+nExpr); + addrFirst = sqlite3VdbeAddOp1(v, OP_IfNot, regBase+nExpr); }else{ addrFirst = sqlite3VdbeAddOp1(v, OP_SequenceTest, pSort->iECursor); } @@ -126289,6 +129962,7 @@ static void pushOntoSorter( testcase( pKI->nAllField > pKI->nKeyField+2 ); pOp->p4.pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pSort->pOrderBy,nOBSat, pKI->nAllField-pKI->nKeyField-1); + pOp = 0; /* Ensure pOp not used after sqltie3VdbeAddOp3() */ addrJmp = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v); pSort->labelBkOut = sqlite3VdbeMakeLabel(pParse); @@ -126307,10 +129981,10 @@ static void pushOntoSorter( /* At this point the values for the new sorter entry are stored ** in an array of registers. They need to be composed into a record ** and inserted into the sorter if either (a) there are currently - ** less than LIMIT+OFFSET items or (b) the new record is smaller than + ** less than LIMIT+OFFSET items or (b) the new record is smaller than ** the largest record currently in the sorter. If (b) is true and there ** are already LIMIT+OFFSET items in the sorter, delete the largest - ** entry before inserting the new one. This way there are never more + ** entry before inserting the new one. This way there are never more ** than LIMIT+OFFSET items in the sorter. ** ** If the new record does not need to be inserted into the sorter, @@ -126389,8 +130063,8 @@ static void codeDistinct( #ifdef SQLITE_ENABLE_SORTER_REFERENCES /* ** This function is called as part of inner-loop generation for a SELECT -** statement with an ORDER BY that is not optimized by an index. It -** determines the expressions, if any, that the sorter-reference +** statement with an ORDER BY that is not optimized by an index. It +** determines the expressions, if any, that the sorter-reference ** optimization should be used for. The sorter-reference optimization ** is used for SELECT queries like: ** @@ -126400,11 +130074,11 @@ static void codeDistinct( ** storing values read from that column in the sorter records, the PK of ** the row from table t1 is stored instead. Then, as records are extracted from ** the sorter to return to the user, the required value of bigblob is -** retrieved directly from table t1. If the values are very large, this +** retrieved directly from table t1. If the values are very large, this ** can be more efficient than storing them directly in the sorter records. ** -** The ExprList_item.bSorterRef flag is set for each expression in pEList -** for which the sorter-reference optimization should be enabled. +** The ExprList_item.bSorterRef flag is set for each expression in pEList +** for which the sorter-reference optimization should be enabled. ** Additionally, the pSort->aDefer[] array is populated with entries ** for all cursors required to evaluate all selected expressions. Finally. ** output variable (*ppExtra) is set to an expression list containing @@ -126473,7 +130147,7 @@ static void selectExprDefer( ** ** If srcTab is negative, then the p->pEList expressions ** are evaluated in order to get the data for this row. If srcTab is -** zero or more, then data is pulled from srcTab and p->pEList is used only +** zero or more, then data is pulled from srcTab and p->pEList is used only ** to get the number of columns and the collation sequence for each column. */ static void selectInnerLoop( @@ -126537,7 +130211,7 @@ static void selectInnerLoop( if( srcTab>=0 ){ for(i=0; i<nResultCol; i++){ sqlite3VdbeAddOp3(v, OP_Column, srcTab, i, regResult+i); - VdbeComment((v, "%s", p->pEList->a[i].zName)); + VdbeComment((v, "%s", p->pEList->a[i].zEName)); } }else if( eDest!=SRT_Exists ){ #ifdef SQLITE_ENABLE_SORTER_REFERENCES @@ -126555,8 +130229,8 @@ static void selectInnerLoop( } if( pSort && hasDistinct==0 && eDest!=SRT_EphemTab && eDest!=SRT_Table ){ /* For each expression in p->pEList that is a copy of an expression in - ** the ORDER BY clause (pSort->pOrderBy), set the associated - ** iOrderByCol value to one more than the index of the ORDER BY + ** the ORDER BY clause (pSort->pOrderBy), set the associated + ** iOrderByCol value to one more than the index of the ORDER BY ** expression within the sort-key that pushOntoSorter() will generate. ** This allows the p->pEList field to be omitted from the sorted record, ** saving space and CPU cycles. */ @@ -126572,7 +130246,7 @@ static void selectInnerLoop( selectExprDefer(pParse, pSort, p->pEList, &pExtra); if( pExtra && pParse->db->mallocFailed==0 ){ /* If there are any extra PK columns to add to the sorter records, - ** allocate extra memory cells and adjust the OpenEphemeral + ** allocate extra memory cells and adjust the OpenEphemeral ** instruction to account for the larger records. This is only ** required if there are one or more WITHOUT ROWID tables with ** composite primary keys in the SortCtx.aDefer[] array. */ @@ -126602,8 +130276,9 @@ static void selectInnerLoop( testcase( eDest==SRT_Mem ); testcase( eDest==SRT_Coroutine ); testcase( eDest==SRT_Output ); - assert( eDest==SRT_Set || eDest==SRT_Mem - || eDest==SRT_Coroutine || eDest==SRT_Output ); + assert( eDest==SRT_Set || eDest==SRT_Mem + || eDest==SRT_Coroutine || eDest==SRT_Output + || eDest==SRT_Upfrom ); } sRowLoadInfo.regResult = regResult; sRowLoadInfo.ecelFlags = ecelFlags; @@ -126613,7 +130288,7 @@ static void selectInnerLoop( if( pExtra ) nResultCol += pExtra->nExpr; #endif if( p->iLimit - && (ecelFlags & SQLITE_ECEL_OMITREF)!=0 + && (ecelFlags & SQLITE_ECEL_OMITREF)!=0 && nPrefixReg>0 ){ assert( pSort!=0 ); @@ -126651,6 +130326,7 @@ static void selectInnerLoop( pOp->opcode = OP_Null; pOp->p1 = 1; pOp->p2 = regPrev; + pOp = 0; /* Ensure pOp is not used after sqlite3VdbeAddOp() */ iJump = sqlite3VdbeCurrentAddr(v) + nResultCol; for(i=0; i<nResultCol; i++){ @@ -126751,6 +130427,30 @@ static void selectInnerLoop( break; } + case SRT_Upfrom: { + if( pSort ){ + pushOntoSorter( + pParse, pSort, p, regResult, regOrig, nResultCol, nPrefixReg); + }else{ + int i2 = pDest->iSDParm2; + int r1 = sqlite3GetTempReg(pParse); + + /* If the UPDATE FROM join is an aggregate that matches no rows, it + ** might still be trying to return one row, because that is what + ** aggregates do. Don't record that empty row in the output table. */ + sqlite3VdbeAddOp2(v, OP_IsNull, regResult, iBreak); VdbeCoverage(v); + + sqlite3VdbeAddOp3(v, OP_MakeRecord, + regResult+(i2<0), nResultCol-(i2<0), r1); + if( i2<0 ){ + sqlite3VdbeAddOp3(v, OP_Insert, iParm, r1, regResult); + }else{ + sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iParm, r1, regResult, i2); + } + } + break; + } + #ifndef SQLITE_OMIT_SUBQUERY /* If we are creating a set for an "expr IN (SELECT ...)" construct, ** then there should be a single item on the stack. Write this @@ -126767,7 +130467,7 @@ static void selectInnerLoop( }else{ int r1 = sqlite3GetTempReg(pParse); assert( sqlite3Strlen30(pDest->zAffSdst)==nResultCol ); - sqlite3VdbeAddOp4(v, OP_MakeRecord, regResult, nResultCol, + sqlite3VdbeAddOp4(v, OP_MakeRecord, regResult, nResultCol, r1, pDest->zAffSdst, nResultCol); sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iParm, r1, regResult, nResultCol); sqlite3ReleaseTempReg(pParse, r1); @@ -126775,6 +130475,7 @@ static void selectInnerLoop( break; } + /* If any row exist in the result set, record that fact and abort. */ case SRT_Exists: { @@ -126784,7 +130485,7 @@ static void selectInnerLoop( } /* If this is a scalar select that is part of an expression, then - ** store the results in the appropriate memory cell or array of + ** store the results in the appropriate memory cell or array of ** memory cells and break out of the scan loop. */ case SRT_Mem: { @@ -126839,7 +130540,7 @@ static void selectInnerLoop( /* If the destination is DistQueue, then cursor (iParm+1) is open ** on a second ephemeral index that holds all values every previously ** added to the queue. */ - addrTest = sqlite3VdbeAddOp4Int(v, OP_Found, iParm+1, 0, + addrTest = sqlite3VdbeAddOp4Int(v, OP_Found, iParm+1, 0, regResult, nResultCol); VdbeCoverage(v); } @@ -127092,7 +130793,7 @@ static void generateSortTail( if( pSort->labelBkOut ){ addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } - sqlite3VdbeAddOp3(v, OP_OpenPseudo, iSortTab, regSortOut, + sqlite3VdbeAddOp3(v, OP_OpenPseudo, iSortTab, regSortOut, nKey+1+nColumn+nRefKey); if( addrOnce ) sqlite3VdbeJumpHere(v, addrOnce); addr = 1 + sqlite3VdbeAddOp2(v, OP_SorterSort, iTab, addrBreak); @@ -127125,7 +130826,7 @@ static void generateSortTail( sqlite3VdbeAddOp1(v, OP_NullRow, iCsr); if( HasRowid(pTab) ){ sqlite3VdbeAddOp3(v, OP_Column, iSortTab, iKey++, regKey); - sqlite3VdbeAddOp3(v, OP_SeekRowid, iCsr, + sqlite3VdbeAddOp3(v, OP_SeekRowid, iCsr, sqlite3VdbeCurrentAddr(v)+1, regKey); }else{ int k; @@ -127157,7 +130858,7 @@ static void generateSortTail( iRead = iCol--; } sqlite3VdbeAddOp3(v, OP_Column, iSortTab, iRead, regRow+i); - VdbeComment((v, "%s", aOutEx[i].zName?aOutEx[i].zName : aOutEx[i].zSpan)); + VdbeComment((v, "%s", aOutEx[i].zEName)); } } switch( eDest ){ @@ -127182,8 +130883,19 @@ static void generateSortTail( break; } #endif + case SRT_Upfrom: { + int i2 = pDest->iSDParm2; + int r1 = sqlite3GetTempReg(pParse); + sqlite3VdbeAddOp3(v, OP_MakeRecord,regRow+(i2<0),nColumn-(i2<0),r1); + if( i2<0 ){ + sqlite3VdbeAddOp3(v, OP_Insert, iParm, r1, regRow); + }else{ + sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iParm, r1, regRow, i2); + } + break; + } default: { - assert( eDest==SRT_Output || eDest==SRT_Coroutine ); + assert( eDest==SRT_Output || eDest==SRT_Coroutine ); testcase( eDest==SRT_Output ); testcase( eDest==SRT_Coroutine ); if( eDest==SRT_Output ){ @@ -127225,14 +130937,14 @@ static void generateSortTail( ** original CREATE TABLE statement if the expression is a column. The ** declaration type for a ROWID field is INTEGER. Exactly when an expression ** is considered a column can be complex in the presence of subqueries. The -** result-set expression in all of the following SELECT statements is +** result-set expression in all of the following SELECT statements is ** considered a column by this function. ** ** SELECT col FROM tbl; ** SELECT (SELECT col FROM tbl; ** SELECT (SELECT col FROM tbl); ** SELECT abc FROM (SELECT col AS abc FROM tbl); -** +** ** The declaration type for any expression other than a column is NULL. ** ** This routine has either 3 or 6 parameters depending on whether or not @@ -127244,7 +130956,7 @@ static void generateSortTail( # define columnType(A,B,C,D,E) columnTypeImpl(A,B) #endif static const char *columnTypeImpl( - NameContext *pNC, + NameContext *pNC, #ifndef SQLITE_ENABLE_COLUMN_METADATA Expr *pExpr #else @@ -127287,19 +130999,19 @@ static const char *columnTypeImpl( if( pTab==0 ){ /* At one time, code such as "SELECT new.x" within a trigger would ** cause this condition to run. Since then, we have restructured how - ** trigger code is generated and so this condition is no longer + ** trigger code is generated and so this condition is no longer ** possible. However, it can still be true for statements like ** the following: ** ** CREATE TABLE t1(col INTEGER); ** SELECT (SELECT t1.col) FROM FROM t1; ** - ** when columnType() is called on the expression "t1.col" in the + ** when columnType() is called on the expression "t1.col" in the ** sub-select. In this case, set the column type to NULL, even ** though it should really be "INTEGER". ** ** This is not a problem, as the column type of "t1.col" is never - ** used. When columnType() is called on the expression + ** used. When columnType() is called on the expression ** "(SELECT t1.col)", the correct type is returned (see the TK_SELECT ** branch below. */ break; @@ -127313,7 +131025,7 @@ static const char *columnTypeImpl( */ if( iCol>=0 && iCol<pS->pEList->nExpr ){ /* If iCol is less than zero, then the expression requests the - ** rowid of the sub-select or view. This expression is legal (see + ** rowid of the sub-select or view. This expression is legal (see ** test case misc2.2.2) - it always evaluates to NULL. */ NameContext sNC; @@ -127321,7 +131033,7 @@ static const char *columnTypeImpl( sNC.pSrcList = pS->pSrc; sNC.pNext = pNC; sNC.pParse = pNC->pParse; - zType = columnType(&sNC, p,&zOrigDb,&zOrigTab,&zOrigCol); + zType = columnType(&sNC, p,&zOrigDb,&zOrigTab,&zOrigCol); } }else{ /* A real table or a CTE table */ @@ -127365,13 +131077,13 @@ static const char *columnTypeImpl( sNC.pSrcList = pS->pSrc; sNC.pNext = pNC; sNC.pParse = pNC->pParse; - zType = columnType(&sNC, p, &zOrigDb, &zOrigTab, &zOrigCol); + zType = columnType(&sNC, p, &zOrigDb, &zOrigTab, &zOrigCol); break; } #endif } -#ifdef SQLITE_ENABLE_COLUMN_METADATA +#ifdef SQLITE_ENABLE_COLUMN_METADATA if( pzOrigDb ){ assert( pzOrigTab && pzOrigCol ); *pzOrigDb = zOrigDb; @@ -127407,7 +131119,7 @@ static void generateColumnTypes( const char *zOrigCol = 0; zType = columnType(&sNC, p, &zOrigDb, &zOrigTab, &zOrigCol); - /* The vdbe must make its own copy of the column-type and other + /* The vdbe must make its own copy of the column-type and other ** column specific strings, in case the schema is reset before this ** virtual machine is deleted. */ @@ -127491,9 +131203,9 @@ static void generateColumnNames( assert( p!=0 ); assert( p->op!=TK_AGG_COLUMN ); /* Agg processing has not run yet */ assert( p->op!=TK_COLUMN || p->y.pTab!=0 ); /* Covering idx not yet coded */ - if( pEList->a[i].zName ){ + if( pEList->a[i].zEName && pEList->a[i].eEName==ENAME_NAME ){ /* An AS clause always takes first priority */ - char *zName = pEList->a[i].zName; + char *zName = pEList->a[i].zEName; sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_TRANSIENT); }else if( srcName && p->op==TK_COLUMN ){ char *zCol; @@ -127515,7 +131227,7 @@ static void generateColumnNames( sqlite3VdbeSetColName(v, i, COLNAME_NAME, zCol, SQLITE_TRANSIENT); } }else{ - const char *z = pEList->a[i].zSpan; + const char *z = pEList->a[i].zEName; z = z==0 ? sqlite3MPrintf(db, "column%d", i+1) : sqlite3DbStrDup(db, z); sqlite3VdbeSetColName(v, i, COLNAME_NAME, z, SQLITE_DYNAMIC); } @@ -127577,7 +131289,7 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( for(i=0, pCol=aCol; i<nCol && !db->mallocFailed; i++, pCol++){ /* Get an appropriate name for the column */ - if( (zName = pEList->a[i].zName)!=0 ){ + if( (zName = pEList->a[i].zEName)!=0 && pEList->a[i].eEName==ENAME_NAME ){ /* If the column contains an "AS <name>" phrase, use <name> as the name */ }else{ Expr *pColExpr = sqlite3ExprSkipCollateAndLikely(pEList->a[i].pExpr); @@ -127597,10 +131309,10 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( zName = pColExpr->u.zToken; }else{ /* Use the original text of the column expression as its name */ - zName = pEList->a[i].zSpan; + zName = pEList->a[i].zEName; } } - if( zName ){ + if( zName && !sqlite3IsTrueOrFalse(zName) ){ zName = sqlite3DbStrDup(db, zName); }else{ zName = sqlite3MPrintf(db,"column%d",i+1); @@ -127620,6 +131332,7 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( if( cnt>3 ) sqlite3_randomness(sizeof(cnt), &cnt); } pCol->zName = zName; + pCol->hName = sqlite3StrIHash(zName); sqlite3ColumnPropertiesFromName(0, pCol); if( zName && sqlite3HashInsert(&ht, zName, pCol)==pCol ){ sqlite3OomFault(db); @@ -127641,7 +131354,7 @@ SQLITE_PRIVATE int sqlite3ColumnsFromExprList( /* ** Add type and collation information to a column list based on ** a SELECT statement. -** +** ** The column list presumably came from selectColumnNamesFromExprList(). ** The column list has only names, not types or collations. This ** routine goes through and adds the types and collations. @@ -127749,9 +131462,9 @@ SQLITE_PRIVATE Vdbe *sqlite3GetVdbe(Parse *pParse){ ** Compute the iLimit and iOffset fields of the SELECT based on the ** pLimit expressions. pLimit->pLeft and pLimit->pRight hold the expressions ** that appear in the original SQL statement after the LIMIT and OFFSET -** keywords. Or NULL if those keywords are omitted. iLimit and iOffset -** are the integer memory register numbers for counters used to compute -** the limit and offset. If there is no limit and/or offset, then +** keywords. Or NULL if those keywords are omitted. iLimit and iOffset +** are the integer memory register numbers for counters used to compute +** the limit and offset. If there is no limit and/or offset, then ** iLimit and iOffset are negative. ** ** This routine changes the values of iLimit and iOffset only if @@ -127777,7 +131490,7 @@ static void computeLimitRegisters(Parse *pParse, Select *p, int iBreak){ if( p->iLimit ) return; - /* + /* ** "LIMIT -1" always shows all rows. There is some ** controversy about what the correct behavior should be. ** The current implementation interprets "LIMIT 0" to mean @@ -127905,7 +131618,7 @@ static KeyInfo *multiSelectOrderByKeyInfo(Parse *pParse, Select *p, int nExtra){ ** inserted into the Queue table. The iDistinct table keeps a copy of all rows ** that have ever been inserted into Queue and causes duplicates to be ** discarded. If the operator is UNION ALL, then duplicates are allowed. -** +** ** If the query has an ORDER BY, then entries in the Queue table are kept in ** ORDER BY order and the first entry is extracted for each cycle. Without ** an ORDER BY, the Queue table is just a FIFO. @@ -128092,6 +131805,9 @@ static int multiSelectValues( assert( p->selFlags & SF_Values ); assert( p->op==TK_ALL || (p->op==TK_SELECT && p->pPrior==0) ); assert( p->pNext==0 || p->pEList->nExpr==p->pNext->pEList->nExpr ); +#ifndef SQLITE_OMIT_WINDOWFUNC + if( p->pWin ) return -1; +#endif if( p->pPrior==0 ) break; assert( p->pPrior->pNext==p ); p = p->pPrior; @@ -128115,7 +131831,7 @@ static int multiSelectValues( ** ** "p" points to the right-most of the two queries. the query on the ** left is p->pPrior. The left query could also be a compound query -** in which case this routine will be called recursively. +** in which case this routine will be called recursively. ** ** The results of the total query are to be written into a destination ** of type eDest with parameter iParm. @@ -128182,7 +131898,8 @@ static int multiSelect( */ if( p->selFlags & SF_MultiValue ){ rc = multiSelectValues(pParse, p, &dest); - goto multi_select_end; + if( rc>=0 ) goto multi_select_end; + rc = SQLITE_OK; } /* Make sure all SELECTs in the statement have the same number of elements @@ -128244,7 +131961,7 @@ static int multiSelect( p->nSelectRow = sqlite3LogEstAdd(p->nSelectRow, pPrior->nSelectRow); if( pPrior->pLimit && sqlite3ExprIsInteger(pPrior->pLimit->pLeft, &nLimit) - && nLimit>0 && p->nSelectRow > sqlite3LogEst((u64)nLimit) + && nLimit>0 && p->nSelectRow > sqlite3LogEst((u64)nLimit) ){ p->nSelectRow = sqlite3LogEst((u64)nLimit); } @@ -128261,7 +131978,7 @@ static int multiSelect( Expr *pLimit; /* Saved values of p->nLimit */ int addr; SelectDest uniondest; - + testcase( p->op==TK_EXCEPT ); testcase( p->op==TK_UNION ); priorOp = SRT_Union; @@ -128283,7 +132000,7 @@ static int multiSelect( findRightmost(p)->selFlags |= SF_UsesEphemeral; assert( p->pEList ); } - + /* Code the SELECT statements to our left */ assert( !pPrior->pOrderBy ); @@ -128292,7 +132009,7 @@ static int multiSelect( if( rc ){ goto multi_select_end; } - + /* Code the current SELECT statement */ if( p->op==TK_EXCEPT ){ @@ -128309,9 +132026,7 @@ static int multiSelect( selectOpName(p->op))); rc = sqlite3Select(pParse, p, &uniondest); testcase( rc!=SQLITE_OK ); - /* Query flattening in sqlite3Select() might refill p->pOrderBy. - ** Be sure to delete p->pOrderBy, therefore, to avoid a memory leak. */ - sqlite3ExprListDelete(db, p->pOrderBy); + assert( p->pOrderBy==0 ); pDelete = p->pPrior; p->pPrior = pPrior; p->pOrderBy = 0; @@ -128322,14 +132037,14 @@ static int multiSelect( p->pLimit = pLimit; p->iLimit = 0; p->iOffset = 0; - + /* Convert the data in the temporary table into whatever form ** it is that we currently need. */ assert( unionTab==dest.iSDParm || dest.eDest!=priorOp ); - if( dest.eDest!=priorOp ){ + assert( p->pEList || db->mallocFailed ); + if( dest.eDest!=priorOp && db->mallocFailed==0 ){ int iCont, iBreak, iStart; - assert( p->pEList ); iBreak = sqlite3VdbeMakeLabel(pParse); iCont = sqlite3VdbeMakeLabel(pParse); computeLimitRegisters(pParse, p, iBreak); @@ -128351,7 +132066,7 @@ static int multiSelect( int addr; SelectDest intersectdest; int r1; - + /* INTERSECT is different from the others since it requires ** two temporary tables. Hence it has its own case. Begin ** by allocating the tables we will need. @@ -128359,13 +132074,13 @@ static int multiSelect( tab1 = pParse->nTab++; tab2 = pParse->nTab++; assert( p->pOrderBy==0 ); - + addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, tab1, 0); assert( p->addrOpenEphm[0] == -1 ); p->addrOpenEphm[0] = addr; findRightmost(p)->selFlags |= SF_UsesEphemeral; assert( p->pEList ); - + /* Code the SELECTs to our left into temporary table "tab1". */ sqlite3SelectDestInit(&intersectdest, SRT_Union, tab1); @@ -128373,7 +132088,7 @@ static int multiSelect( if( rc ){ goto multi_select_end; } - + /* Code the current SELECT into temporary table "tab2" */ addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, tab2, 0); @@ -128394,10 +132109,11 @@ static int multiSelect( } sqlite3ExprDelete(db, p->pLimit); p->pLimit = pLimit; - + /* Generate code to take the intersection of the two temporary ** tables. */ + if( rc ) break; assert( p->pEList ); iBreak = sqlite3VdbeMakeLabel(pParse); iCont = sqlite3VdbeMakeLabel(pParse); @@ -128418,15 +132134,16 @@ static int multiSelect( break; } } - + #ifndef SQLITE_OMIT_EXPLAIN if( p->pNext==0 ){ ExplainQueryPlanPop(pParse); } #endif } - - /* Compute collating sequences used by + if( pParse->nErr ) goto multi_select_end; + + /* Compute collating sequences used by ** temporary tables needed to implement the compound select. ** Attach the KeyInfo structure to all temporary tables. ** @@ -128532,7 +132249,7 @@ static int generateOutputSubroutine( addr = sqlite3VdbeCurrentAddr(v); iContinue = sqlite3VdbeMakeLabel(pParse); - /* Suppress duplicates for UNION, EXCEPT, and INTERSECT + /* Suppress duplicates for UNION, EXCEPT, and INTERSECT */ if( regPrev ){ int addr1, addr2; @@ -128574,7 +132291,7 @@ static int generateOutputSubroutine( int r1; testcase( pIn->nSdst>1 ); r1 = sqlite3GetTempReg(pParse); - sqlite3VdbeAddOp4(v, OP_MakeRecord, pIn->iSdst, pIn->nSdst, + sqlite3VdbeAddOp4(v, OP_MakeRecord, pIn->iSdst, pIn->nSdst, r1, pDest->zAffSdst, pIn->nSdst); sqlite3VdbeAddOp4Int(v, OP_IdxInsert, pDest->iSDParm, r1, pIn->iSdst, pIn->nSdst); @@ -128614,7 +132331,7 @@ static int generateOutputSubroutine( ** SRT_Output. This routine is never called with any other ** destination other than the ones handled above or SRT_Output. ** - ** For SRT_Output, results are stored in a sequence of registers. + ** For SRT_Output, results are stored in a sequence of registers. ** Then the OP_ResultRow opcode is used to cause sqlite3_step() to ** return the next row of result. */ @@ -128671,7 +132388,7 @@ static int generateOutputSubroutine( ** ** EofB: Called when data is exhausted from selectB. ** -** The implementation of the latter five subroutines depend on which +** The implementation of the latter five subroutines depend on which ** <operator> is used: ** ** @@ -128763,7 +132480,7 @@ static int multiSelectOrderBy( sqlite3 *db; /* Database connection */ ExprList *pOrderBy; /* The ORDER BY clause */ int nOrderBy; /* Number of terms in the ORDER BY clause */ - int *aPermute; /* Mapping from ORDER BY terms to result set columns */ + u32 *aPermute; /* Mapping from ORDER BY terms to result set columns */ assert( p->pOrderBy!=0 ); assert( pKeyDup==0 ); /* "Managed" code needs this. Ticket #3382. */ @@ -128776,7 +132493,7 @@ static int multiSelectOrderBy( /* Patch up the ORDER BY clause */ - op = p->op; + op = p->op; pPrior = p->pPrior; assert( pPrior->pOrderBy==0 ); pOrderBy = p->pOrderBy; @@ -128812,7 +132529,7 @@ static int multiSelectOrderBy( ** to the right and the left are evaluated, they use the correct ** collation. */ - aPermute = sqlite3DbMallocRawNN(db, sizeof(int)*(nOrderBy + 1)); + aPermute = sqlite3DbMallocRawNN(db, sizeof(u32)*(nOrderBy + 1)); if( aPermute ){ struct ExprList_item *pItem; aPermute[0] = nOrderBy; @@ -128852,7 +132569,7 @@ static int multiSelectOrderBy( } } } - + /* Separate the left and the right query from one another */ p->pPrior = 0; @@ -128897,7 +132614,7 @@ static int multiSelectOrderBy( sqlite3VdbeEndCoroutine(v, regAddrA); sqlite3VdbeJumpHere(v, addr1); - /* Generate a coroutine to evaluate the SELECT statement on + /* Generate a coroutine to evaluate the SELECT statement on ** the right - the "B" select */ addrSelectB = sqlite3VdbeCurrentAddr(v) + 1; @@ -128906,7 +132623,7 @@ static int multiSelectOrderBy( savedLimit = p->iLimit; savedOffset = p->iOffset; p->iLimit = regLimitB; - p->iOffset = 0; + p->iOffset = 0; ExplainQueryPlan((pParse, 1, "RIGHT")); sqlite3Select(pParse, p, &destB); p->iLimit = savedLimit; @@ -128920,7 +132637,7 @@ static int multiSelectOrderBy( addrOutA = generateOutputSubroutine(pParse, p, &destA, pDest, regOutA, regPrev, pKeyDup, labelEnd); - + /* Generate a subroutine that outputs the current row of the B ** select as the next output row of the compound select. */ @@ -128937,7 +132654,7 @@ static int multiSelectOrderBy( */ if( op==TK_EXCEPT || op==TK_INTERSECT ){ addrEofA_noB = addrEofA = labelEnd; - }else{ + }else{ VdbeNoopComment((v, "eof-A subroutine")); addrEofA = sqlite3VdbeAddOp2(v, OP_Gosub, regOutB, addrOutB); addrEofA_noB = sqlite3VdbeAddOp2(v, OP_Yield, regAddrB, labelEnd); @@ -128952,7 +132669,7 @@ static int multiSelectOrderBy( if( op==TK_INTERSECT ){ addrEofB = addrEofA; if( p->nSelectRow > pPrior->nSelectRow ) p->nSelectRow = pPrior->nSelectRow; - }else{ + }else{ VdbeNoopComment((v, "eof-B subroutine")); addrEofB = sqlite3VdbeAddOp2(v, OP_Gosub, regOutA, addrOutA); sqlite3VdbeAddOp2(v, OP_Yield, regAddrA, labelEnd); VdbeCoverage(v); @@ -129047,13 +132764,13 @@ static void substSelect(SubstContext*, Select*, int); /* ** Scan through the expression pExpr. Replace every reference to ** a column in table number iTable with a copy of the iColumn-th -** entry in pEList. (But leave references to the ROWID column +** entry in pEList. (But leave references to the ROWID column ** unchanged.) ** ** This routine is part of the flattening procedure. A subquery ** whose result set is defined by pEList appears as entry in the ** FROM clause of a SELECT such that the VDBE cursor assigned to that -** FORM clause entry is iTable. This routine makes the necessary +** FORM clause entry is iTable. This routine makes the necessary ** changes to pExpr so that it refers directly to the source table ** of the subquery rather the result set of the subquery. */ @@ -129067,7 +132784,10 @@ static Expr *substExpr( ){ pExpr->iRightJoinTable = pSubst->iNewTable; } - if( pExpr->op==TK_COLUMN && pExpr->iTable==pSubst->iTable ){ + if( pExpr->op==TK_COLUMN + && pExpr->iTable==pSubst->iTable + && !ExprHasProperty(pExpr, EP_FixedCol) + ){ if( pExpr->iColumn<0 ){ pExpr->op = TK_NULL; }else{ @@ -129085,6 +132805,7 @@ static Expr *substExpr( ifNullRow.op = TK_IF_NULL_ROW; ifNullRow.pLeft = pCopy; ifNullRow.iTable = pSubst->iNewTable; + ifNullRow.flags = EP_Skip; pCopy = &ifNullRow; } testcase( ExprHasProperty(pCopy, EP_Subquery) ); @@ -129104,7 +132825,7 @@ static Expr *substExpr( if( pExpr ){ if( pExpr->op!=TK_COLUMN && pExpr->op!=TK_COLLATE ){ CollSeq *pColl = sqlite3ExprCollSeq(pSubst->pParse, pExpr); - pExpr = sqlite3ExprAddCollateString(pSubst->pParse, pExpr, + pExpr = sqlite3ExprAddCollateString(pSubst->pParse, pExpr, (pColl ? pColl->zName : "BINARY") ); } @@ -129173,6 +132894,38 @@ static void substSelect( #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* +** pSelect is a SELECT statement and pSrcItem is one item in the FROM +** clause of that SELECT. +** +** This routine scans the entire SELECT statement and recomputes the +** pSrcItem->colUsed mask. +*/ +static int recomputeColumnsUsedExpr(Walker *pWalker, Expr *pExpr){ + struct SrcList_item *pItem; + if( pExpr->op!=TK_COLUMN ) return WRC_Continue; + pItem = pWalker->u.pSrcItem; + if( pItem->iCursor!=pExpr->iTable ) return WRC_Continue; + if( pExpr->iColumn<0 ) return WRC_Continue; + pItem->colUsed |= sqlite3ExprColUsed(pExpr); + return WRC_Continue; +} +static void recomputeColumnsUsed( + Select *pSelect, /* The complete SELECT statement */ + struct SrcList_item *pSrcItem /* Which FROM clause item to recompute */ +){ + Walker w; + if( NEVER(pSrcItem->pTab==0) ) return; + memset(&w, 0, sizeof(w)); + w.xExprCallback = recomputeColumnsUsedExpr; + w.xSelectCallback = sqlite3SelectWalkNoop; + w.u.pSrcItem = pSrcItem; + pSrcItem->colUsed = 0; + sqlite3WalkSelect(&w, pSelect); +} +#endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ + +#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) +/* ** This routine attempts to flatten subqueries as a performance optimization. ** This routine returns 1 if it makes changes and 0 if no flattening occurs. ** @@ -129194,7 +132947,7 @@ static void substSelect( ** SELECT x+y AS a FROM t1 WHERE z<100 AND a>5 ** ** The code generated for this simplification gives the same result -** but only has to scan the data once. And because indices might +** but only has to scan the data once. And because indices might ** exist on the table t1, a complete scan of the data might be ** avoided. ** @@ -129216,11 +132969,12 @@ static void substSelect( ** (3b) the FROM clause of the subquery may not contain a virtual ** table and ** (3c) the outer query may not be an aggregate. +** (3d) the outer query may not be DISTINCT. ** ** (4) The subquery can not be DISTINCT. ** ** (**) At one point restrictions (4) and (5) defined a subset of DISTINCT -** sub-queries that were excluded from this optimization. Restriction +** sub-queries that were excluded from this optimization. Restriction ** (4) has since been expanded to exclude all DISTINCT subqueries. ** ** (**) We no longer attempt to flatten aggregate subqueries. Was: @@ -129237,7 +132991,7 @@ static void substSelect( ** ** (**) Restriction (10) was removed from the code on 2005-02-05 but we ** accidently carried the comment forward until 2014-09-15. Original -** constraint: "If the subquery is aggregate then the outer query +** constraint: "If the subquery is aggregate then the outer query ** may not use LIMIT." ** ** (11) The subquery and the outer query may not both have ORDER BY clauses. @@ -129255,7 +133009,7 @@ static void substSelect( ** ** (16) If the outer query is aggregate, then the subquery may not ** use ORDER BY. (Ticket #2942) This used to not matter -** until we introduced the group_concat() function. +** until we introduced the group_concat() function. ** ** (17) If the subquery is a compound select, then ** (17a) all compound operators must be a UNION ALL, and @@ -129266,6 +133020,7 @@ static void substSelect( ** (17d1) aggregate, or ** (17d2) DISTINCT, or ** (17d3) a join. +** (17e) the subquery may not contain window functions ** ** The parent and sub-query may contain WHERE clauses. Subject to ** rules (11), (13) and (14), they may also contain ORDER BY, @@ -129281,7 +133036,7 @@ static void substSelect( ** syntax error and return a detailed message. ** ** (18) If the sub-query is a compound select, then all terms of the -** ORDER BY clause of the parent must be simple references to +** ORDER BY clause of the parent must be simple references to ** columns of the sub-query. ** ** (19) If the subquery uses LIMIT then the outer query may not @@ -129305,7 +133060,7 @@ static void substSelect( ** recursive queries in multiSelect(). ** ** (**) We no longer attempt to flatten aggregate subqueries. Was: -** The subquery may not be an aggregate that uses the built-in min() or +** The subquery may not be an aggregate that uses the built-in min() or ** or max() functions. (Without this restriction, a query like: ** "SELECT x FROM (SELECT max(y), x FROM t1)" would not necessarily ** return the value X for which Y was maximal.) @@ -129339,11 +133094,12 @@ static int flattenSubquery( SrcList *pSubSrc; /* The FROM clause of the subquery */ int iParent; /* VDBE cursor number of the pSub result set temp table */ int iNewParent = -1;/* Replacement table for iParent */ - int isLeftJoin = 0; /* True if pSub is the right side of a LEFT JOIN */ + int isLeftJoin = 0; /* True if pSub is the right side of a LEFT JOIN */ int i; /* Loop counter */ Expr *pWhere; /* The WHERE clause */ struct SrcList_item *pSubitem; /* The subquery */ sqlite3 *db = pParse->db; + Walker w; /* Walker to persist agginfo data */ /* Check to see if flattening is permitted. Return 0 if not. */ @@ -129412,8 +133168,11 @@ static int flattenSubquery( */ if( (pSubitem->fg.jointype & JT_OUTER)!=0 ){ isLeftJoin = 1; - if( pSubSrc->nSrc>1 || isAgg || IsVirtual(pSubSrc->a[0].pTab) ){ - /* (3a) (3c) (3b) */ + if( pSubSrc->nSrc>1 /* (3a) */ + || isAgg /* (3b) */ + || IsVirtual(pSubSrc->a[0].pTab) /* (3c) */ + || (p->selFlags & SF_Distinct)!=0 /* (3d) */ + ){ return 0; } } @@ -129421,7 +133180,7 @@ static int flattenSubquery( else if( iFrom>0 && !isAgg ){ /* Setting isLeftJoin to -1 causes OP_IfNullRow opcodes to be generated for ** every reference to any result column from subquery in a join, even - ** though they are not necessary. This will stress-test the OP_IfNullRow + ** though they are not necessary. This will stress-test the OP_IfNullRow ** opcode. */ isLeftJoin = -1; } @@ -129447,6 +133206,9 @@ static int flattenSubquery( if( (pSub1->selFlags & (SF_Distinct|SF_Aggregate))!=0 /* (17b) */ || (pSub1->pPrior && pSub1->op!=TK_ALL) /* (17a) */ || pSub1->pSrc->nSrc<1 /* (17c) */ +#ifndef SQLITE_OMIT_WINDOWFUNC + || pSub1->pWin /* (17e) */ +#endif ){ return 0; } @@ -129481,13 +133243,13 @@ static int flattenSubquery( pParse->zAuthContext = zSavedAuthContext; /* If the sub-query is a compound SELECT statement, then (by restrictions - ** 17 and 18 above) it must be a UNION ALL and the parent query must + ** 17 and 18 above) it must be a UNION ALL and the parent query must ** be of the form: ** - ** SELECT <expr-list> FROM (<sub-query>) <where-clause> + ** SELECT <expr-list> FROM (<sub-query>) <where-clause> ** ** followed by any ORDER BY, LIMIT and/or OFFSET clauses. This block - ** creates N-1 copies of the parent query without any ORDER BY, LIMIT or + ** creates N-1 copies of the parent query without any ORDER BY, LIMIT or ** OFFSET clauses and joins them to the left-hand-side of the original ** using UNION ALL operators. In this case N is the number of simple ** select statements in the compound sub-query. @@ -129540,7 +133302,7 @@ static int flattenSubquery( if( db->mallocFailed ) return 1; } - /* Begin flattening the iFrom-th entry of the FROM clause + /* Begin flattening the iFrom-th entry of the FROM clause ** in the outer query. */ pSub = pSub1 = pSubitem->pSelect; @@ -129638,10 +133400,10 @@ static int flattenSubquery( memset(&pSubSrc->a[i], 0, sizeof(pSubSrc->a[i])); } pSrc->a[iFrom].fg.jointype = jointype; - - /* Now begin substituting subquery result set expressions for + + /* Now begin substituting subquery result set expressions for ** references to the iParent in the outer query. - ** + ** ** Example: ** ** SELECT a+5, b*10 FROM (SELECT x*3 AS a, y+10 AS b FROM t1) WHERE a>b; @@ -129651,7 +133413,7 @@ static int flattenSubquery( ** We look at every expression in the outer query and every place we see ** "a" we substitute "x*3" and every place we see "b" we substitute "y+10". */ - if( pSub->pOrderBy ){ + if( pSub->pOrderBy && (pParent->selFlags & SF_NoopOrderBy)==0 ){ /* At this point, any non-zero iOrderByCol values indicate that the ** ORDER BY column expression is identical to the iOrderByCol'th ** expression returned by SELECT statement pSub. Since these values @@ -129673,9 +133435,15 @@ static int flattenSubquery( pWhere = pSub->pWhere; pSub->pWhere = 0; if( isLeftJoin>0 ){ - setJoinExpr(pWhere, iNewParent); + sqlite3SetJoinExpr(pWhere, iNewParent); + } + if( pWhere ){ + if( pParent->pWhere ){ + pParent->pWhere = sqlite3PExpr(pParse, TK_AND, pWhere, pParent->pWhere); + }else{ + pParent->pWhere = pWhere; + } } - pParent->pWhere = sqlite3ExprAnd(pParse, pWhere, pParent->pWhere); if( db->mallocFailed==0 ){ SubstContext x; x.pParse = pParse; @@ -129685,12 +133453,12 @@ static int flattenSubquery( x.pEList = pSub->pEList; substSelect(&x, pParent, 0); } - + /* The flattened query is a compound if either the inner or the ** outer query is a compound. */ pParent->selFlags |= pSub->selFlags & SF_Compound; assert( (pSub->selFlags & SF_Distinct)==0 ); /* restriction (17b) */ - + /* ** SELECT ... FROM (SELECT ... LIMIT a OFFSET b) LIMIT x OFFSET y; ** @@ -129701,15 +133469,23 @@ static int flattenSubquery( pParent->pLimit = pSub->pLimit; pSub->pLimit = 0; } + + /* Recompute the SrcList_item.colUsed masks for the flattened + ** tables. */ + for(i=0; i<nSubSrc; i++){ + recomputeColumnsUsed(pParent, &pSrc->a[i+iFrom]); + } } /* Finially, delete what is left of the subquery and return ** success. */ + sqlite3AggInfoPersistWalkerInit(&w, pParse); + sqlite3WalkSelect(&w,pSub1); sqlite3SelectDelete(db, pSub1); #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x100 ){ + if( sqlite3_unsupported_selecttrace & 0x100 ){ SELECTTRACE(0x100,pParse,p,("After flattening:\n")); sqlite3TreeViewSelect(0, p, 0); } @@ -129733,23 +133509,35 @@ struct WhereConst { /* ** Add a new entry to the pConst object. Except, do not add duplicate -** pColumn entires. +** pColumn entires. Also, do not add if doing so would not be appropriate. +** +** The caller guarantees the pColumn is a column and pValue is a constant. +** This routine has to do some additional checks before completing the +** insert. */ static void constInsert( - WhereConst *pConst, /* The WhereConst into which we are inserting */ - Expr *pColumn, /* The COLUMN part of the constraint */ - Expr *pValue /* The VALUE part of the constraint */ + WhereConst *pConst, /* The WhereConst into which we are inserting */ + Expr *pColumn, /* The COLUMN part of the constraint */ + Expr *pValue, /* The VALUE part of the constraint */ + Expr *pExpr /* Overall expression: COLUMN=VALUE or VALUE=COLUMN */ ){ int i; assert( pColumn->op==TK_COLUMN ); + assert( sqlite3ExprIsConstant(pValue) ); + + if( ExprHasProperty(pColumn, EP_FixedCol) ) return; + if( sqlite3ExprAffinity(pValue)!=0 ) return; + if( !sqlite3IsBinary(sqlite3ExprCompareCollSeq(pConst->pParse,pExpr)) ){ + return; + } /* 2018-10-25 ticket [cf5ed20f] ** Make sure the same pColumn is not inserted more than once */ for(i=0; i<pConst->nConst; i++){ - const Expr *pExpr = pConst->apExpr[i*2]; - assert( pExpr->op==TK_COLUMN ); - if( pExpr->iTable==pColumn->iTable - && pExpr->iColumn==pColumn->iColumn + const Expr *pE2 = pConst->apExpr[i*2]; + assert( pE2->op==TK_COLUMN ); + if( pE2->iTable==pColumn->iTable + && pE2->iColumn==pColumn->iColumn ){ return; /* Already present. Return without doing anything. */ } @@ -129761,7 +133549,6 @@ static void constInsert( if( pConst->apExpr==0 ){ pConst->nConst = 0; }else{ - if( ExprHasProperty(pValue, EP_FixedCol) ) pValue = pValue->pLeft; pConst->apExpr[pConst->nConst*2-2] = pColumn; pConst->apExpr[pConst->nConst*2-1] = pValue; } @@ -129787,19 +133574,11 @@ static void findConstInWhere(WhereConst *pConst, Expr *pExpr){ pLeft = pExpr->pLeft; assert( pRight!=0 ); assert( pLeft!=0 ); - if( pRight->op==TK_COLUMN - && !ExprHasProperty(pRight, EP_FixedCol) - && sqlite3ExprIsConstant(pLeft) - && sqlite3IsBinary(sqlite3BinaryCompareCollSeq(pConst->pParse,pLeft,pRight)) - ){ - constInsert(pConst, pRight, pLeft); - }else - if( pLeft->op==TK_COLUMN - && !ExprHasProperty(pLeft, EP_FixedCol) - && sqlite3ExprIsConstant(pRight) - && sqlite3IsBinary(sqlite3BinaryCompareCollSeq(pConst->pParse,pLeft,pRight)) - ){ - constInsert(pConst, pLeft, pRight); + if( pRight->op==TK_COLUMN && sqlite3ExprIsConstant(pLeft) ){ + constInsert(pConst,pRight,pLeft,pExpr); + } + if( pLeft->op==TK_COLUMN && sqlite3ExprIsConstant(pRight) ){ + constInsert(pConst,pLeft,pRight,pExpr); } } @@ -129813,7 +133592,11 @@ static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ int i; WhereConst *pConst; if( pExpr->op!=TK_COLUMN ) return WRC_Continue; - if( ExprHasProperty(pExpr, EP_FixedCol) ) return WRC_Continue; + if( ExprHasProperty(pExpr, EP_FixedCol|EP_FromJoin) ){ + testcase( ExprHasProperty(pExpr, EP_FixedCol) ); + testcase( ExprHasProperty(pExpr, EP_FromJoin) ); + return WRC_Continue; + } pConst = pWalker->u.pConst; for(i=0; i<pConst->nConst; i++){ Expr *pColumn = pConst->apExpr[i*2]; @@ -129835,10 +133618,9 @@ static int propagateConstantExprRewrite(Walker *pWalker, Expr *pExpr){ ** The WHERE-clause constant propagation optimization. ** ** If the WHERE clause contains terms of the form COLUMN=CONSTANT or -** CONSTANT=COLUMN that must be tree (in other words, if the terms top-level -** AND-connected terms that are not part of a ON clause from a LEFT JOIN) -** then throughout the query replace all other occurrences of COLUMN -** with CONSTANT within the WHERE clause. +** CONSTANT=COLUMN that are top-level AND-connected terms that are not +** part of a ON clause from a LEFT JOIN, then throughout the query +** replace all other occurrences of COLUMN with CONSTANT. ** ** For example, the query: ** @@ -129893,7 +133675,7 @@ static int propagateConstants( sqlite3DbFree(x.pParse->db, x.apExpr); nChng += x.nChng; } - }while( x.nChng ); + }while( x.nChng ); return nChng; } @@ -129944,8 +133726,8 @@ static int propagateConstants( ** But if the (b2=2) term were to be pushed down into the bb subquery, ** then the (1,1,NULL) row would be suppressed. ** -** (6) The inner query features one or more window-functions (since -** changes to the WHERE clause of the inner query could change the +** (6) The inner query features one or more window-functions (since +** changes to the WHERE clause of the inner query could change the ** window over which window functions are calculated). ** ** Return 0 if no changes are made and non-zero if one or more WHERE clause @@ -129960,11 +133742,14 @@ static int pushDownWhereTerms( ){ Expr *pNew; int nChng = 0; + Select *pSel; if( pWhere==0 ) return 0; if( pSubq->selFlags & SF_Recursive ) return 0; /* restriction (2) */ #ifndef SQLITE_OMIT_WINDOWFUNC - if( pSubq->pWin ) return 0; /* restriction (6) */ + for(pSel=pSubq; pSel; pSel=pSel->pPrior){ + if( pSel->pWin ) return 0; /* restriction (6) */ + } #endif #ifdef SQLITE_DEBUG @@ -129973,7 +133758,7 @@ static int pushDownWhereTerms( ** in the future. */ { - Select *pX; + Select *pX; for(pX=pSubq; pX; pX=pX->pPrior){ assert( (pX->selFlags & (SF_Recursive))==0 ); } @@ -130023,7 +133808,7 @@ static int pushDownWhereTerms( /* ** The pFunc is the only aggregate function in the query. Check to see -** if the query is a candidate for the min/max optimization. +** if the query is a candidate for the min/max optimization. ** ** If the query is a candidate for the min/max optimization, then set ** *ppMinMax to be an ORDER BY clause to be used for the optimization @@ -130042,7 +133827,7 @@ static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){ ExprList *pEList = pFunc->x.pList; /* Arguments to agg function */ const char *zFunc; /* Name of aggregate function pFunc */ ExprList *pOrderBy; - u8 sortFlags; + u8 sortFlags = 0; assert( *ppMinMax==0 ); assert( pFunc->op==TK_AGG_FUNCTION ); @@ -130053,7 +133838,9 @@ static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){ zFunc = pFunc->u.zToken; if( sqlite3StrICmp(zFunc, "min")==0 ){ eRet = WHERE_ORDERBY_MIN; - sortFlags = KEYINFO_ORDER_BIGNULL; + if( sqlite3ExprCanBeNull(pEList->a[0].pExpr) ){ + sortFlags = KEYINFO_ORDER_BIGNULL; + } }else if( sqlite3StrICmp(zFunc, "max")==0 ){ eRet = WHERE_ORDERBY_MAX; sortFlags = KEYINFO_ORDER_DESC; @@ -130068,7 +133855,7 @@ static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){ /* ** The select statement passed as the first argument is an aggregate query. -** The second argument is the associated aggregate-info object. This +** The second argument is the associated aggregate-info object. This ** function tests if the SELECT is of the form: ** ** SELECT count(*) FROM <tbl> @@ -130083,7 +133870,7 @@ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){ assert( !p->pGroupBy ); - if( p->pWhere || p->pEList->nExpr!=1 + if( p->pWhere || p->pEList->nExpr!=1 || p->pSrc->nSrc!=1 || p->pSrc->a[0].pSelect ){ return 0; @@ -130104,8 +133891,8 @@ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){ /* ** If the source-list item passed as an argument was augmented with an ** INDEXED BY clause, then try to locate the specified index. If there -** was such a clause and the named index cannot be found, return -** SQLITE_ERROR and leave an error in pParse. Otherwise, populate +** was such a clause and the named index cannot be found, return +** SQLITE_ERROR and leave an error in pParse. Otherwise, populate ** pFrom->pIndex and return SQLITE_OK. */ SQLITE_PRIVATE int sqlite3IndexedByLookup(Parse *pParse, struct SrcList_item *pFrom){ @@ -130113,8 +133900,8 @@ SQLITE_PRIVATE int sqlite3IndexedByLookup(Parse *pParse, struct SrcList_item *pF Table *pTab = pFrom->pTab; char *zIndexedBy = pFrom->u1.zIndexedBy; Index *pIdx; - for(pIdx=pTab->pIndex; - pIdx && sqlite3StrICmp(pIdx->zName, zIndexedBy); + for(pIdx=pTab->pIndex; + pIdx && sqlite3StrICmp(pIdx->zName, zIndexedBy); pIdx=pIdx->pNext ); if( !pIdx ){ @@ -130127,7 +133914,7 @@ SQLITE_PRIVATE int sqlite3IndexedByLookup(Parse *pParse, struct SrcList_item *pF return SQLITE_OK; } /* -** Detect compound SELECT statements that use an ORDER BY clause with +** Detect compound SELECT statements that use an ORDER BY clause with ** an alternative collating sequence. ** ** SELECT ... FROM t1 EXCEPT SELECT ... FROM t2 ORDER BY .. COLLATE ... @@ -130162,6 +133949,14 @@ static int convertCompoundSelectToSubquery(Walker *pWalker, Select *p){ for(pX=p; pX && (pX->op==TK_ALL || pX->op==TK_SELECT); pX=pX->pPrior){} if( pX==0 ) return WRC_Continue; a = p->pOrderBy->a; +#ifndef SQLITE_OMIT_WINDOWFUNC + /* If iOrderByCol is already non-zero, then it has already been matched + ** to a result column of the SELECT statement. This occurs when the + ** SELECT is rewritten for window-functions processing and then passed + ** to sqlite3SelectPrep() and similar a second time. The rewriting done + ** by this function is not required in this case. */ + if( a[0].u.x.iOrderByCol ) return WRC_Continue; +#endif for(i=p->pOrderBy->nExpr-1; i>=0; i--){ if( a[i].pExpr->flags & EP_Collate ) break; } @@ -130187,6 +133982,9 @@ static int convertCompoundSelectToSubquery(Walker *pWalker, Select *p){ p->pPrior = 0; p->pNext = 0; p->pWith = 0; +#ifndef SQLITE_OMIT_WINDOWFUNC + p->pWinDefn = 0; +#endif p->selFlags &= ~SF_Compound; assert( (p->selFlags & SF_Converted)==0 ); p->selFlags |= SF_Converted; @@ -130211,9 +134009,9 @@ static int cannotBeFunction(Parse *pParse, struct SrcList_item *pFrom){ #ifndef SQLITE_OMIT_CTE /* -** Argument pWith (which may be NULL) points to a linked list of nested -** WITH contexts, from inner to outermost. If the table identified by -** FROM clause element pItem is really a common-table-expression (CTE) +** Argument pWith (which may be NULL) points to a linked list of nested +** WITH contexts, from inner to outermost. If the table identified by +** FROM clause element pItem is really a common-table-expression (CTE) ** then return a pointer to the CTE definition for that table. Otherwise ** return NULL. ** @@ -130248,7 +134046,7 @@ static struct Cte *searchWith( ** onto the top of the stack. If argument bFree is true, then this ** WITH clause will never be popped from the stack. In this case it ** should be freed along with the Parse object. In other cases, when -** bFree==0, the With object will be freed along with the SELECT +** bFree==0, the With object will be freed along with the SELECT ** statement with which it is associated. */ SQLITE_PRIVATE void sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){ @@ -130262,7 +134060,7 @@ SQLITE_PRIVATE void sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){ } /* -** This function checks if argument pFrom refers to a CTE declared by +** This function checks if argument pFrom refers to a CTE declared by ** a WITH clause on the stack currently maintained by the parser. And, ** if currently processing a CTE expression, if it is a recursive ** reference to the current CTE. @@ -130277,7 +134075,7 @@ SQLITE_PRIVATE void sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){ ** parser and some error code other than SQLITE_OK returned. */ static int withExpand( - Walker *pWalker, + Walker *pWalker, struct SrcList_item *pFrom ){ Parse *pParse = pWalker->pParse; @@ -130286,6 +134084,9 @@ static int withExpand( With *pWith; /* WITH clause that pCte belongs to */ assert( pFrom->pTab==0 ); + if( pParse->nErr ){ + return SQLITE_ERROR; + } pCte = searchWith(pParse->pWith, pFrom, &pWith); if( pCte ){ @@ -130326,8 +134127,8 @@ static int withExpand( SrcList *pSrc = pFrom->pSelect->pSrc; for(i=0; i<pSrc->nSrc; i++){ struct SrcList_item *pItem = &pSrc->a[i]; - if( pItem->zDatabase==0 - && pItem->zName!=0 + if( pItem->zDatabase==0 + && pItem->zName!=0 && 0==sqlite3StrICmp(pItem->zName, pCte->zName) ){ pItem->pTab = pTab; @@ -130338,14 +134139,14 @@ static int withExpand( } } - /* Only one recursive reference is permitted. */ + /* Only one recursive reference is permitted. */ if( pTab->nTabRef>2 ){ sqlite3ErrorMsg( pParse, "multiple references to recursive table: %s", pCte->zName ); return SQLITE_ERROR; } - assert( pTab->nTabRef==1 || + assert( pTab->nTabRef==1 || ((pSel->selFlags&SF_Recursive) && pTab->nTabRef==2 )); pCte->zCteErr = "circular reference: %s"; @@ -130394,19 +134195,19 @@ static int withExpand( #ifndef SQLITE_OMIT_CTE /* -** If the SELECT passed as the second argument has an associated WITH +** If the SELECT passed as the second argument has an associated WITH ** clause, pop it from the stack stored as part of the Parse object. ** ** This function is used as the xSelectCallback2() callback by ** sqlite3SelectExpand() when walking a SELECT tree to resolve table -** names and other FROM clause elements. +** names and other FROM clause elements. */ static void selectPopWith(Walker *pWalker, Select *p){ Parse *pParse = pWalker->pParse; if( OK_IF_ALWAYS_TRUE(pParse->pWith) && p->pPrior==0 ){ With *pWith = findRightmost(p)->pWith; if( pWith!=0 ){ - assert( pParse->pWith==pWith ); + assert( pParse->pWith==pWith || pParse->nErr ); pParse->pWith = pWith->pOuter; } } @@ -130451,7 +134252,7 @@ SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse *pParse, struct SrcList_item *pFr ** (1) Make sure VDBE cursor numbers have been assigned to every ** element of the FROM clause. ** -** (2) Fill in the pTabList->a[].pTab fields in the SrcList that +** (2) Fill in the pTabList->a[].pTab fields in the SrcList that ** defines FROM clause. When views appear in the FROM clause, ** fill pTabList->a[].pSelect with a copy of the SELECT statement ** that implements the view. A copy is made of the view's SELECT @@ -130507,8 +134308,8 @@ static int selectExpander(Walker *pWalker, Select *p){ for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){ Table *pTab; assert( pFrom->fg.isRecursive==0 || pFrom->pTab!=0 ); - if( pFrom->fg.isRecursive ) continue; - assert( pFrom->pTab==0 ); + if( pFrom->pTab ) continue; + assert( pFrom->fg.isRecursive==0 ); #ifndef SQLITE_OMIT_CTE if( withExpand(pWalker, pFrom) ) return WRC_Abort; if( pFrom->pTab ) {} else @@ -130537,7 +134338,7 @@ static int selectExpander(Walker *pWalker, Select *p){ if( !IsVirtual(pTab) && cannotBeFunction(pParse, pFrom) ){ return WRC_Abort; } -#if !defined(SQLITE_OMIT_VIEW) || !defined (SQLITE_OMIT_VIRTUALTABLE) +#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE) if( IsVirtual(pTab) || pTab->pSelect ){ i16 nCol; u8 eCodeOrig = pWalker->eCode; @@ -130545,8 +134346,18 @@ static int selectExpander(Walker *pWalker, Select *p){ assert( pFrom->pSelect==0 ); if( pTab->pSelect && (db->flags & SQLITE_EnableView)==0 ){ sqlite3ErrorMsg(pParse, "access to view \"%s\" prohibited", - pTab->zName); + pTab->zName); + } +#ifndef SQLITE_OMIT_VIRTUALTABLE + if( IsVirtual(pTab) + && pFrom->fg.fromDDL + && ALWAYS(pTab->pVTable!=0) + && pTab->pVTable->eVtabRisk > ((db->flags & SQLITE_TrustedSchema)!=0) + ){ + sqlite3ErrorMsg(pParse, "unsafe use of virtual table \"%s\"", + pTab->zName); } +#endif pFrom->pSelect = sqlite3SelectDup(db, pTab->pSelect, 0); nCol = pTab->nCol; pTab->nCol = -1; @@ -130566,7 +134377,7 @@ static int selectExpander(Walker *pWalker, Select *p){ /* Process NATURAL keywords, and ON and USING clauses of joins. */ - if( db->mallocFailed || sqliteProcessJoin(pParse, p) ){ + if( pParse->nErr || db->mallocFailed || sqliteProcessJoin(pParse, p) ){ return WRC_Abort; } @@ -130613,10 +134424,9 @@ static int selectExpander(Walker *pWalker, Select *p){ */ pNew = sqlite3ExprListAppend(pParse, pNew, a[k].pExpr); if( pNew ){ - pNew->a[pNew->nExpr-1].zName = a[k].zName; - pNew->a[pNew->nExpr-1].zSpan = a[k].zSpan; - a[k].zName = 0; - a[k].zSpan = 0; + pNew->a[pNew->nExpr-1].zEName = a[k].zEName; + pNew->a[pNew->nExpr-1].eEName = a[k].eEName; + a[k].zEName = 0; } a[k].pExpr = 0; }else{ @@ -130655,7 +134465,7 @@ static int selectExpander(Walker *pWalker, Select *p){ assert( zName ); if( zTName && pSub - && sqlite3MatchSpanName(pSub->pEList->a[j].zSpan, 0, zTName, 0)==0 + && sqlite3MatchEName(&pSub->pEList->a[j], 0, zTName, 0)==0 ){ continue; } @@ -130665,7 +134475,7 @@ static int selectExpander(Walker *pWalker, Select *p){ ** bit set. */ if( (p->selFlags & SF_IncludeHidden)==0 - && IsHiddenColumn(&pTab->aCol[j]) + && IsHiddenColumn(&pTab->aCol[j]) ){ continue; } @@ -130673,9 +134483,9 @@ static int selectExpander(Walker *pWalker, Select *p){ if( i>0 && zTName==0 ){ if( (pFrom->fg.jointype & JT_NATURAL)!=0 - && tableAndColumnIndex(pTabList, i, zName, 0, 0) + && tableAndColumnIndex(pTabList, i, zName, 0, 0, 1) ){ - /* In a NATURAL join, omit the join columns from the + /* In a NATURAL join, omit the join columns from the ** table to the right of the join */ continue; } @@ -130706,17 +134516,18 @@ static int selectExpander(Walker *pWalker, Select *p){ pNew = sqlite3ExprListAppend(pParse, pNew, pExpr); sqlite3TokenInit(&sColname, zColname); sqlite3ExprListSetName(pParse, pNew, &sColname, 0); - if( pNew && (p->selFlags & SF_NestedFrom)!=0 ){ + if( pNew && (p->selFlags & SF_NestedFrom)!=0 && !IN_RENAME_OBJECT ){ struct ExprList_item *pX = &pNew->a[pNew->nExpr-1]; + sqlite3DbFree(db, pX->zEName); if( pSub ){ - pX->zSpan = sqlite3DbStrDup(db, pSub->pEList->a[j].zSpan); - testcase( pX->zSpan==0 ); + pX->zEName = sqlite3DbStrDup(db, pSub->pEList->a[j].zEName); + testcase( pX->zEName==0 ); }else{ - pX->zSpan = sqlite3MPrintf(db, "%s.%s.%s", + pX->zEName = sqlite3MPrintf(db, "%s.%s.%s", zSchemaName, zTabName, zColname); - testcase( pX->zSpan==0 ); + testcase( pX->zEName==0 ); } - pX->bSpanIsTab = 1; + pX->eEName = ENAME_TAB; } sqlite3DbFree(db, zToFree); } @@ -130745,29 +134556,6 @@ static int selectExpander(Walker *pWalker, Select *p){ return WRC_Continue; } -/* -** No-op routine for the parse-tree walker. -** -** When this routine is the Walker.xExprCallback then expression trees -** are walked without any actions being taken at each node. Presumably, -** when this routine is used for Walker.xExprCallback then -** Walker.xSelectCallback is set to do something useful for every -** subquery in the parser tree. -*/ -SQLITE_PRIVATE int sqlite3ExprWalkNoop(Walker *NotUsed, Expr *NotUsed2){ - UNUSED_PARAMETER2(NotUsed, NotUsed2); - return WRC_Continue; -} - -/* -** No-op routine for the parse-tree walker for SELECT statements. -** subquery in the parser tree. -*/ -SQLITE_PRIVATE int sqlite3SelectWalkNoop(Walker *NotUsed, Select *NotUsed2){ - UNUSED_PARAMETER2(NotUsed, NotUsed2); - return WRC_Continue; -} - #if SQLITE_DEBUG /* ** Always assert. This xSelectCallback2 implementation proves that the @@ -130909,6 +134697,7 @@ static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){ struct AggInfo_func *pFunc; int nReg = pAggInfo->nFunc + pAggInfo->nColumn; if( nReg==0 ) return; + if( pParse->nErr || pParse->db->mallocFailed ) return; #ifdef SQLITE_DEBUG /* Verify that all AggInfo registers are within the range specified by ** AggInfo.mnReg..AggInfo.mxReg */ @@ -130925,7 +134714,7 @@ static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){ sqlite3VdbeAddOp3(v, OP_Null, 0, pAggInfo->mnReg, pAggInfo->mxReg); for(pFunc=pAggInfo->aFunc, i=0; i<pAggInfo->nFunc; i++, pFunc++){ if( pFunc->iDistinct>=0 ){ - Expr *pE = pFunc->pExpr; + Expr *pE = pFunc->pFExpr; assert( !ExprHasProperty(pE, EP_xIsSelect) ); if( pE->x.pList==0 || pE->x.pList->nExpr!=1 ){ sqlite3ErrorMsg(pParse, "DISTINCT aggregates must have exactly one " @@ -130949,8 +134738,8 @@ static void finalizeAggFunctions(Parse *pParse, AggInfo *pAggInfo){ int i; struct AggInfo_func *pF; for(i=0, pF=pAggInfo->aFunc; i<pAggInfo->nFunc; i++, pF++){ - ExprList *pList = pF->pExpr->x.pList; - assert( !ExprHasProperty(pF->pExpr, EP_xIsSelect) ); + ExprList *pList = pF->pFExpr->x.pList; + assert( !ExprHasProperty(pF->pFExpr, EP_xIsSelect) ); sqlite3VdbeAddOp2(v, OP_AggFinal, pF->iMem, pList ? pList->nExpr : 0); sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF); } @@ -130979,22 +134768,26 @@ static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ int nArg; int addrNext = 0; int regAgg; - ExprList *pList = pF->pExpr->x.pList; - assert( !ExprHasProperty(pF->pExpr, EP_xIsSelect) ); - assert( !IsWindowFunc(pF->pExpr) ); - if( ExprHasProperty(pF->pExpr, EP_WinFunc) ){ - Expr *pFilter = pF->pExpr->y.pWin->pFilter; - if( pAggInfo->nAccumulator - && (pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL) + ExprList *pList = pF->pFExpr->x.pList; + assert( !ExprHasProperty(pF->pFExpr, EP_xIsSelect) ); + assert( !IsWindowFunc(pF->pFExpr) ); + if( ExprHasProperty(pF->pFExpr, EP_WinFunc) ){ + Expr *pFilter = pF->pFExpr->y.pWin->pFilter; + if( pAggInfo->nAccumulator + && (pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL) + && regAcc ){ + /* If regAcc==0, there there exists some min() or max() function + ** without a FILTER clause that will ensure the magnet registers + ** are populated. */ if( regHit==0 ) regHit = ++pParse->nMem; - /* If this is the first row of the group (regAcc==0), clear the + /* If this is the first row of the group (regAcc contains 0), clear the ** "magnet" register regHit so that the accumulator registers - ** are populated if the FILTER clause jumps over the the + ** are populated if the FILTER clause jumps over the the ** invocation of min() or max() altogether. Or, if this is not - ** the first row (regAcc==1), set the magnet register so that the - ** accumulators are not populated unless the min()/max() is invoked and - ** indicates that they should be. */ + ** the first row (regAcc contains 1), set the magnet register so that + ** the accumulators are not populated unless the min()/max() is invoked + ** and indicates that they should be. */ sqlite3VdbeAddOp2(v, OP_Copy, regAcc, regHit); } addrNext = sqlite3VdbeMakeLabel(pParse); @@ -131009,7 +134802,7 @@ static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ regAgg = 0; } if( pF->iDistinct>=0 ){ - if( addrNext==0 ){ + if( addrNext==0 ){ addrNext = sqlite3VdbeMakeLabel(pParse); } testcase( nArg==0 ); /* Error condition */ @@ -131045,12 +134838,12 @@ static void updateAccumulator(Parse *pParse, int regAcc, AggInfo *pAggInfo){ addrHitTest = sqlite3VdbeAddOp1(v, OP_If, regHit); VdbeCoverage(v); } for(i=0, pC=pAggInfo->aCol; i<pAggInfo->nAccumulator; i++, pC++){ - sqlite3ExprCode(pParse, pC->pExpr, pC->iMem); + sqlite3ExprCode(pParse, pC->pCExpr, pC->iMem); } pAggInfo->directMode = 0; if( addrHitTest ){ - sqlite3VdbeJumpHere(v, addrHitTest); + sqlite3VdbeJumpHereOrPopInst(v, addrHitTest); } } @@ -131080,10 +134873,10 @@ static void explainSimpleCount( /* ** sqlite3WalkExpr() callback used by havingToWhere(). ** -** If the node passed to the callback is a TK_AND node, return +** If the node passed to the callback is a TK_AND node, return ** WRC_Continue to tell sqlite3WalkExpr() to iterate through child nodes. ** -** Otherwise, return WRC_Prune. In this case, also check if the +** Otherwise, return WRC_Prune. In this case, also check if the ** sub-expression matches the criteria for being moved to the WHERE ** clause. If so, add it to the WHERE clause and replace the sub-expression ** within the HAVING expression with a constant "1". @@ -131130,7 +134923,7 @@ static void havingToWhere(Parse *pParse, Select *p){ sWalker.u.pSelect = p; sqlite3WalkExpr(&sWalker, p->pHaving); #if SELECTTRACE_ENABLED - if( sWalker.eCode && (sqlite3SelectTrace & 0x100)!=0 ){ + if( sWalker.eCode && (sqlite3_unsupported_selecttrace & 0x100)!=0 ){ SELECTTRACE(0x100,pParse,p,("Move HAVING terms into WHERE:\n")); sqlite3TreeViewSelect(0, p, 0); } @@ -131163,7 +134956,7 @@ static struct SrcList_item *isSelfJoinView( continue; } if( sqlite3ExprCompare(0, pThis->pSelect->pWhere, pS1->pWhere, -1) - || sqlite3ExprCompare(0, pThis->pSelect->pHaving, pS1->pHaving, -1) + || sqlite3ExprCompare(0, pThis->pSelect->pHaving, pS1->pHaving, -1) ){ /* The view was modified by some other optimization such as ** pushDownWhereTerms() */ @@ -131252,7 +135045,7 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ p->selFlags &= ~SF_Aggregate; #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x400 ){ + if( sqlite3_unsupported_selecttrace & 0x400 ){ SELECTTRACE(0x400,pParse,p,("After count-of-view optimization:\n")); sqlite3TreeViewSelect(0, p, 0); } @@ -131262,7 +135055,7 @@ static int countOfViewOptimization(Parse *pParse, Select *p){ #endif /* SQLITE_COUNTOFVIEW_OPTIMIZATION */ /* -** Generate code for the SELECT statement given in the p argument. +** Generate code for the SELECT statement given in the p argument. ** ** The results are returned according to the SelectDest structure. ** See comments in sqliteInt.h for further information. @@ -131288,10 +135081,10 @@ SQLITE_PRIVATE int sqlite3Select( Expr *pWhere; /* The WHERE clause. May be NULL */ ExprList *pGroupBy; /* The GROUP BY clause. May be NULL */ Expr *pHaving; /* The HAVING clause. May be NULL */ + AggInfo *pAggInfo = 0; /* Aggregate information */ int rc = 1; /* Value to return from this function */ DistinctCtx sDistinct; /* Info on how to code the DISTINCT keyword */ SortCtx sSort; /* Info on how to code the ORDER BY clause */ - AggInfo sAggInfo; /* Information used by aggregate queries */ int iEnd; /* Address of the end of the query */ sqlite3 *db; /* The database connection */ ExprList *pMinMaxOrderBy = 0; /* Added ORDER BY for min/max queries */ @@ -131303,10 +135096,9 @@ SQLITE_PRIVATE int sqlite3Select( return 1; } if( sqlite3AuthCheck(pParse, SQLITE_SELECT, 0, 0, 0) ) return 1; - memset(&sAggInfo, 0, sizeof(sAggInfo)); #if SELECTTRACE_ENABLED SELECTTRACE(1,pParse,p, ("begin processing:\n", pParse->addrExplain)); - if( sqlite3SelectTrace & 0x100 ){ + if( sqlite3_unsupported_selecttrace & 0x100 ){ sqlite3TreeViewSelect(0, p, 0); } #endif @@ -131316,7 +135108,7 @@ SQLITE_PRIVATE int sqlite3Select( assert( p->pOrderBy==0 || pDest->eDest!=SRT_DistQueue ); assert( p->pOrderBy==0 || pDest->eDest!=SRT_Queue ); if( IgnorableOrderby(pDest) ){ - assert(pDest->eDest==SRT_Exists || pDest->eDest==SRT_Union || + assert(pDest->eDest==SRT_Exists || pDest->eDest==SRT_Union || pDest->eDest==SRT_Except || pDest->eDest==SRT_Discard || pDest->eDest==SRT_Queue || pDest->eDest==SRT_DistFifo || pDest->eDest==SRT_DistQueue || pDest->eDest==SRT_Fifo); @@ -131325,6 +135117,7 @@ SQLITE_PRIVATE int sqlite3Select( sqlite3ExprListDelete(db, p->pOrderBy); p->pOrderBy = 0; p->selFlags &= ~SF_Distinct; + p->selFlags |= SF_NoopOrderBy; } sqlite3SelectPrep(pParse, p, 0); if( pParse->nErr || db->mallocFailed ){ @@ -131332,22 +135125,42 @@ SQLITE_PRIVATE int sqlite3Select( } assert( p->pEList!=0 ); #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x104 ){ + if( sqlite3_unsupported_selecttrace & 0x104 ){ SELECTTRACE(0x104,pParse,p, ("after name resolution:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif + /* If the SF_UpdateFrom flag is set, then this function is being called + ** as part of populating the temp table for an UPDATE...FROM statement. + ** In this case, it is an error if the target object (pSrc->a[0]) name + ** or alias is duplicated within FROM clause (pSrc->a[1..n]). */ + if( p->selFlags & SF_UpdateFrom ){ + struct SrcList_item *p0 = &p->pSrc->a[0]; + for(i=1; i<p->pSrc->nSrc; i++){ + struct SrcList_item *p1 = &p->pSrc->a[i]; + if( p0->pTab==p1->pTab && 0==sqlite3_stricmp(p0->zAlias, p1->zAlias) ){ + sqlite3ErrorMsg(pParse, + "target object/alias may not appear in FROM clause: %s", + p0->zAlias ? p0->zAlias : p0->pTab->zName + ); + goto select_end; + } + } + } + if( pDest->eDest==SRT_Output ){ generateColumnNames(pParse, p); } #ifndef SQLITE_OMIT_WINDOWFUNC - if( sqlite3WindowRewrite(pParse, p) ){ + rc = sqlite3WindowRewrite(pParse, p); + if( rc ){ + assert( db->mallocFailed || pParse->nErr>0 ); goto select_end; } #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x108 ){ + if( p->pWin && (sqlite3_unsupported_selecttrace & 0x108)!=0 ){ SELECTTRACE(0x104,pParse,p, ("after window rewrite:\n")); sqlite3TreeViewSelect(0, p, 0); } @@ -131358,7 +135171,7 @@ SQLITE_PRIVATE int sqlite3Select( memset(&sSort, 0, sizeof(sSort)); sSort.pOrderBy = p->pOrderBy; - /* Try to various optimizations (flattening subqueries, and strength + /* Try to do various optimizations (flattening subqueries, and strength ** reduction of join operators) in the FROM clause up into the main query */ #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) @@ -131367,6 +135180,11 @@ SQLITE_PRIVATE int sqlite3Select( Select *pSub = pItem->pSelect; Table *pTab = pItem->pTab; + /* The expander should have already created transient Table objects + ** even for FROM clause elements such as subqueries that do not correspond + ** to a real table */ + assert( pTab!=0 ); + /* Convert LEFT JOIN into JOIN if there are terms of the right table ** of the LEFT JOIN used in the WHERE clause. */ @@ -131449,7 +135267,7 @@ SQLITE_PRIVATE int sqlite3Select( rc = multiSelect(pParse, p, pDest); #if SELECTTRACE_ENABLED SELECTTRACE(0x1,pParse,p,("end compound-select processing\n")); - if( (sqlite3SelectTrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ + if( (sqlite3_unsupported_selecttrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ sqlite3TreeViewSelect(0, p, 0); } #endif @@ -131468,7 +135286,7 @@ SQLITE_PRIVATE int sqlite3Select( && propagateConstants(pParse, p) ){ #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x100 ){ + if( sqlite3_unsupported_selecttrace & 0x100 ){ SELECTTRACE(0x100,pParse,p,("After constant propagation:\n")); sqlite3TreeViewSelect(0, p, 0); } @@ -131556,7 +135374,7 @@ SQLITE_PRIVATE int sqlite3Select( (pItem->fg.jointype & JT_OUTER)!=0) ){ #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x100 ){ + if( sqlite3_unsupported_selecttrace & 0x100 ){ SELECTTRACE(0x100,pParse,p, ("After WHERE-clause push-down into subquery %d:\n", pSub->selId)); sqlite3TreeViewSelect(0, p, 0); @@ -131586,7 +135404,7 @@ SQLITE_PRIVATE int sqlite3Select( ** set on each invocation. */ int addrTop = sqlite3VdbeCurrentAddr(v)+1; - + pItem->regReturn = ++pParse->nMem; sqlite3VdbeAddOp3(v, OP_InitCoroutine, pItem->regReturn, 0, addrTop); VdbeComment((v, "%s", pItem->pTab->zName)); @@ -131656,13 +135474,13 @@ SQLITE_PRIVATE int sqlite3Select( sDistinct.isTnct = (p->selFlags & SF_Distinct)!=0; #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x400 ){ + if( sqlite3_unsupported_selecttrace & 0x400 ){ SELECTTRACE(0x400,pParse,p,("After all FROM-clause analysis:\n")); sqlite3TreeViewSelect(0, p, 0); } #endif - /* If the query is DISTINCT with an ORDER BY but is not an aggregate, and + /* If the query is DISTINCT with an ORDER BY but is not an aggregate, and ** if the select-list is the same as the ORDER BY list, then this query ** can be rewritten as a GROUP BY. In other words, this: ** @@ -131672,23 +135490,27 @@ SQLITE_PRIVATE int sqlite3Select( ** ** SELECT xyz FROM ... GROUP BY xyz ORDER BY xyz ** - ** The second form is preferred as a single index (or temp-table) may be - ** used for both the ORDER BY and DISTINCT processing. As originally - ** written the query must use a temp-table for at least one of the ORDER + ** The second form is preferred as a single index (or temp-table) may be + ** used for both the ORDER BY and DISTINCT processing. As originally + ** written the query must use a temp-table for at least one of the ORDER ** BY and DISTINCT, and an index or separate temp-table for the other. */ - if( (p->selFlags & (SF_Distinct|SF_Aggregate))==SF_Distinct + if( (p->selFlags & (SF_Distinct|SF_Aggregate))==SF_Distinct && sqlite3ExprListCompare(sSort.pOrderBy, pEList, -1)==0 +#ifndef SQLITE_OMIT_WINDOWFUNC + && p->pWin==0 +#endif ){ p->selFlags &= ~SF_Distinct; pGroupBy = p->pGroupBy = sqlite3ExprListDup(db, pEList, 0); + p->selFlags |= SF_Aggregate; /* Notice that even thought SF_Distinct has been cleared from p->selFlags, ** the sDistinct.isTnct is still set. Hence, isTnct represents the ** original setting of the SF_Distinct flag, not the current setting */ assert( sDistinct.isTnct ); #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x400 ){ + if( sqlite3_unsupported_selecttrace & 0x400 ){ SELECTTRACE(0x400,pParse,p,("Transform DISTINCT into GROUP BY:\n")); sqlite3TreeViewSelect(0, p, 0); } @@ -131754,9 +135576,9 @@ SQLITE_PRIVATE int sqlite3Select( u16 wctrlFlags = (sDistinct.isTnct ? WHERE_WANT_DISTINCT : 0) | (p->selFlags & SF_FixedLimit); #ifndef SQLITE_OMIT_WINDOWFUNC - Window *pWin = p->pWin; /* Master window object (or NULL) */ + Window *pWin = p->pWin; /* Main window object (or NULL) */ if( pWin ){ - sqlite3WindowCodeInit(pParse, pWin); + sqlite3WindowCodeInit(pParse, p); } #endif assert( WHERE_USE_LIMIT==SF_FixedLimit ); @@ -131781,7 +135603,7 @@ SQLITE_PRIVATE int sqlite3Select( } } - /* If sorting index that was created by a prior OP_OpenEphemeral + /* If sorting index that was created by a prior OP_OpenEphemeral ** instruction ended up not being needed, then change the OP_OpenEphemeral ** into an OP_Noop. */ @@ -131853,8 +135675,8 @@ SQLITE_PRIVATE int sqlite3Select( if( p->nSelectRow>66 ) p->nSelectRow = 66; /* If there is both a GROUP BY and an ORDER BY clause and they are - ** identical, then it may be possible to disable the ORDER BY clause - ** on the grounds that the GROUP BY will cause elements to come out + ** identical, then it may be possible to disable the ORDER BY clause + ** on the grounds that the GROUP BY will cause elements to come out ** in the correct order. It also may not - the GROUP BY might use a ** database index that causes rows to be grouped together as required ** but not actually sorted. Either way, record the fact that the @@ -131864,8 +135686,8 @@ SQLITE_PRIVATE int sqlite3Select( int ii; /* The GROUP BY processing doesn't care whether rows are delivered in ** ASC or DESC order - only that each group is returned contiguously. - ** So set the ASC/DESC flags in the GROUP BY to match those in the - ** ORDER BY to maximize the chances of rows being delivered in an + ** So set the ASC/DESC flags in the GROUP BY to match those in the + ** ORDER BY to maximize the chances of rows being delivered in an ** order that makes the ORDER BY redundant. */ for(ii=0; ii<pGroupBy->nExpr; ii++){ u8 sortFlags = sSort.pOrderBy->a[ii].sortFlags & KEYINFO_ORDER_DESC; @@ -131887,14 +135709,21 @@ SQLITE_PRIVATE int sqlite3Select( ** sAggInfo for all TK_AGG_FUNCTION nodes in expressions of the ** SELECT statement. */ + pAggInfo = sqlite3DbMallocZero(db, sizeof(*pAggInfo) ); + if( pAggInfo==0 ){ + goto select_end; + } + pAggInfo->pNext = pParse->pAggList; + pParse->pAggList = pAggInfo; + pAggInfo->selId = p->selId; memset(&sNC, 0, sizeof(sNC)); sNC.pParse = pParse; sNC.pSrcList = pTabList; - sNC.uNC.pAggInfo = &sAggInfo; + sNC.uNC.pAggInfo = pAggInfo; VVA_ONLY( sNC.ncFlags = NC_UAggInfo; ) - sAggInfo.mnReg = pParse->nMem+1; - sAggInfo.nSortingColumn = pGroupBy ? pGroupBy->nExpr : 0; - sAggInfo.pGroupBy = pGroupBy; + pAggInfo->mnReg = pParse->nMem+1; + pAggInfo->nSortingColumn = pGroupBy ? pGroupBy->nExpr : 0; + pAggInfo->pGroupBy = pGroupBy; sqlite3ExprAnalyzeAggList(&sNC, pEList); sqlite3ExprAnalyzeAggList(&sNC, sSort.pOrderBy); if( pHaving ){ @@ -131907,14 +135736,14 @@ SQLITE_PRIVATE int sqlite3Select( } sqlite3ExprAnalyzeAggregates(&sNC, pHaving); } - sAggInfo.nAccumulator = sAggInfo.nColumn; - if( p->pGroupBy==0 && p->pHaving==0 && sAggInfo.nFunc==1 ){ - minMaxFlag = minMaxQuery(db, sAggInfo.aFunc[0].pExpr, &pMinMaxOrderBy); + pAggInfo->nAccumulator = pAggInfo->nColumn; + if( p->pGroupBy==0 && p->pHaving==0 && pAggInfo->nFunc==1 ){ + minMaxFlag = minMaxQuery(db, pAggInfo->aFunc[0].pFExpr, &pMinMaxOrderBy); }else{ minMaxFlag = WHERE_ORDERBY_NORMAL; } - for(i=0; i<sAggInfo.nFunc; i++){ - Expr *pExpr = sAggInfo.aFunc[i].pExpr; + for(i=0; i<pAggInfo->nFunc; i++){ + Expr *pExpr = pAggInfo->aFunc[i].pFExpr; assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); sNC.ncFlags |= NC_InAggFunc; sqlite3ExprAnalyzeAggList(&sNC, pExpr->x.pList); @@ -131926,22 +135755,22 @@ SQLITE_PRIVATE int sqlite3Select( #endif sNC.ncFlags &= ~NC_InAggFunc; } - sAggInfo.mxReg = pParse->nMem; + pAggInfo->mxReg = pParse->nMem; if( db->mallocFailed ) goto select_end; #if SELECTTRACE_ENABLED - if( sqlite3SelectTrace & 0x400 ){ + if( sqlite3_unsupported_selecttrace & 0x400 ){ int ii; - SELECTTRACE(0x400,pParse,p,("After aggregate analysis:\n")); + SELECTTRACE(0x400,pParse,p,("After aggregate analysis %p:\n", pAggInfo)); sqlite3TreeViewSelect(0, p, 0); - for(ii=0; ii<sAggInfo.nColumn; ii++){ + for(ii=0; ii<pAggInfo->nColumn; ii++){ sqlite3DebugPrintf("agg-column[%d] iMem=%d\n", - ii, sAggInfo.aCol[ii].iMem); - sqlite3TreeViewExpr(0, sAggInfo.aCol[ii].pExpr, 0); + ii, pAggInfo->aCol[ii].iMem); + sqlite3TreeViewExpr(0, pAggInfo->aCol[ii].pCExpr, 0); } - for(ii=0; ii<sAggInfo.nFunc; ii++){ + for(ii=0; ii<pAggInfo->nFunc; ii++){ sqlite3DebugPrintf("agg-func[%d]: iMem=%d\n", - ii, sAggInfo.aFunc[ii].iMem); - sqlite3TreeViewExpr(0, sAggInfo.aFunc[ii].pExpr, 0); + ii, pAggInfo->aFunc[ii].iMem); + sqlite3TreeViewExpr(0, pAggInfo->aFunc[ii].pFExpr, 0); } } #endif @@ -131964,12 +135793,13 @@ SQLITE_PRIVATE int sqlite3Select( /* If there is a GROUP BY clause we might need a sorting index to ** implement it. Allocate that sorting index now. If it turns out ** that we do not need it after all, the OP_SorterOpen instruction - ** will be converted into a Noop. + ** will be converted into a Noop. */ - sAggInfo.sortingIdx = pParse->nTab++; - pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pGroupBy,0,sAggInfo.nColumn); - addrSortingIdx = sqlite3VdbeAddOp4(v, OP_SorterOpen, - sAggInfo.sortingIdx, sAggInfo.nSortingColumn, + pAggInfo->sortingIdx = pParse->nTab++; + pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pGroupBy, + 0, pAggInfo->nColumn); + addrSortingIdx = sqlite3VdbeAddOp4(v, OP_SorterOpen, + pAggInfo->sortingIdx, pAggInfo->nSortingColumn, 0, (char*)pKeyInfo, P4_KEYINFO); /* Initialize memory locations used by GROUP BY aggregate processing @@ -132016,7 +135846,7 @@ SQLITE_PRIVATE int sqlite3Select( int nCol; int nGroupBy; - explainTempTable(pParse, + explainTempTable(pParse, (sDistinct.isTnct && (p->selFlags&SF_Distinct)==0) ? "DISTINCT" : "GROUP BY"); @@ -132024,8 +135854,8 @@ SQLITE_PRIVATE int sqlite3Select( nGroupBy = pGroupBy->nExpr; nCol = nGroupBy; j = nGroupBy; - for(i=0; i<sAggInfo.nColumn; i++){ - if( sAggInfo.aCol[i].iSorterColumn>=j ){ + for(i=0; i<pAggInfo->nColumn; i++){ + if( pAggInfo->aCol[i].iSorterColumn>=j ){ nCol++; j++; } @@ -132033,8 +135863,8 @@ SQLITE_PRIVATE int sqlite3Select( regBase = sqlite3GetTempRange(pParse, nCol); sqlite3ExprCodeExprList(pParse, pGroupBy, regBase, 0, 0); j = nGroupBy; - for(i=0; i<sAggInfo.nColumn; i++){ - struct AggInfo_col *pCol = &sAggInfo.aCol[i]; + for(i=0; i<pAggInfo->nColumn; i++){ + struct AggInfo_col *pCol = &pAggInfo->aCol[i]; if( pCol->iSorterColumn>=j ){ int r1 = j + regBase; sqlite3ExprCodeGetColumnOfTable(v, @@ -132044,16 +135874,16 @@ SQLITE_PRIVATE int sqlite3Select( } regRecord = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regRecord); - sqlite3VdbeAddOp2(v, OP_SorterInsert, sAggInfo.sortingIdx, regRecord); + sqlite3VdbeAddOp2(v, OP_SorterInsert, pAggInfo->sortingIdx, regRecord); sqlite3ReleaseTempReg(pParse, regRecord); sqlite3ReleaseTempRange(pParse, regBase, nCol); sqlite3WhereEnd(pWInfo); - sAggInfo.sortingIdxPTab = sortPTab = pParse->nTab++; + pAggInfo->sortingIdxPTab = sortPTab = pParse->nTab++; sortOut = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_OpenPseudo, sortPTab, sortOut, nCol); - sqlite3VdbeAddOp2(v, OP_SorterSort, sAggInfo.sortingIdx, addrEnd); + sqlite3VdbeAddOp2(v, OP_SorterSort, pAggInfo->sortingIdx, addrEnd); VdbeComment((v, "GROUP BY sort")); VdbeCoverage(v); - sAggInfo.useSortingIdx = 1; + pAggInfo->useSortingIdx = 1; } /* If the index or temporary table used by the GROUP BY sort @@ -132061,9 +135891,9 @@ SQLITE_PRIVATE int sqlite3Select( ** clause, cancel the ephemeral table open coded earlier. ** ** This is an optimization - the correct answer should result regardless. - ** Use the SQLITE_GroupByOrder flag with SQLITE_TESTCTRL_OPTIMIZER to + ** Use the SQLITE_GroupByOrder flag with SQLITE_TESTCTRL_OPTIMIZER to ** disable this optimization for testing purposes. */ - if( orderByGrp && OptimizationEnabled(db, SQLITE_GroupByOrder) + if( orderByGrp && OptimizationEnabled(db, SQLITE_GroupByOrder) && (groupBySort || sqlite3WhereIsSorted(pWInfo)) ){ sSort.pOrderBy = 0; @@ -132077,14 +135907,14 @@ SQLITE_PRIVATE int sqlite3Select( */ addrTopOfLoop = sqlite3VdbeCurrentAddr(v); if( groupBySort ){ - sqlite3VdbeAddOp3(v, OP_SorterData, sAggInfo.sortingIdx, + sqlite3VdbeAddOp3(v, OP_SorterData, pAggInfo->sortingIdx, sortOut, sortPTab); } for(j=0; j<pGroupBy->nExpr; j++){ if( groupBySort ){ sqlite3VdbeAddOp3(v, OP_Column, sortPTab, j, iBMem+j); }else{ - sAggInfo.directMode = 1; + pAggInfo->directMode = 1; sqlite3ExprCode(pParse, pGroupBy->a[j].pExpr, iBMem+j); } } @@ -132114,14 +135944,14 @@ SQLITE_PRIVATE int sqlite3Select( ** the current row */ sqlite3VdbeJumpHere(v, addr1); - updateAccumulator(pParse, iUseFlag, &sAggInfo); + updateAccumulator(pParse, iUseFlag, pAggInfo); sqlite3VdbeAddOp2(v, OP_Integer, 1, iUseFlag); VdbeComment((v, "indicate data in accumulator")); /* End of the loop */ if( groupBySort ){ - sqlite3VdbeAddOp2(v, OP_SorterNext, sAggInfo.sortingIdx, addrTopOfLoop); + sqlite3VdbeAddOp2(v, OP_SorterNext, pAggInfo->sortingIdx, addrTopOfLoop); VdbeCoverage(v); }else{ sqlite3WhereEnd(pWInfo); @@ -132154,7 +135984,7 @@ SQLITE_PRIVATE int sqlite3Select( VdbeCoverage(v); VdbeComment((v, "Groupby result generator entry point")); sqlite3VdbeAddOp1(v, OP_Return, regOutputRow); - finalizeAggFunctions(pParse, &sAggInfo); + finalizeAggFunctions(pParse, pAggInfo); sqlite3ExprIfFalse(pParse, pHaving, addrOutputRow+1, SQLITE_JUMPIFNULL); selectInnerLoop(pParse, p, -1, &sSort, &sDistinct, pDest, @@ -132165,16 +135995,15 @@ SQLITE_PRIVATE int sqlite3Select( /* Generate a subroutine that will reset the group-by accumulator */ sqlite3VdbeResolveLabel(v, addrReset); - resetAccumulator(pParse, &sAggInfo); + resetAccumulator(pParse, pAggInfo); sqlite3VdbeAddOp2(v, OP_Integer, 0, iUseFlag); VdbeComment((v, "indicate accumulator empty")); sqlite3VdbeAddOp1(v, OP_Return, regReset); - + } /* endif pGroupBy. Begin aggregate queries without GROUP BY: */ else { -#ifndef SQLITE_OMIT_BTREECOUNT Table *pTab; - if( (pTab = isSimpleCount(p, &sAggInfo))!=0 ){ + if( (pTab = isSimpleCount(p, pAggInfo))!=0 ){ /* If isSimpleCount() returns a pointer to a Table structure, then ** the SQL statement is of the form: ** @@ -132193,7 +136022,7 @@ SQLITE_PRIVATE int sqlite3Select( Index *pIdx; /* Iterator variable */ KeyInfo *pKeyInfo = 0; /* Keyinfo for scanned index */ Index *pBest = 0; /* Best index found so far */ - int iRoot = pTab->tnum; /* Root page of scanned b-tree */ + Pgno iRoot = pTab->tnum; /* Root page of scanned b-tree */ sqlite3CodeVerifySchema(pParse, iDb); sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName); @@ -132204,17 +136033,19 @@ SQLITE_PRIVATE int sqlite3Select( ** ** (2013-10-03) Do not count the entries in a partial index. ** - ** In practice the KeyInfo structure will not be used. It is only + ** In practice the KeyInfo structure will not be used. It is only ** passed to keep OP_OpenRead happy. */ if( !HasRowid(pTab) ) pBest = sqlite3PrimaryKeyIndex(pTab); - for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ - if( pIdx->bUnordered==0 - && pIdx->szIdxRow<pTab->szTabRow - && pIdx->pPartIdxWhere==0 - && (!pBest || pIdx->szIdxRow<pBest->szIdxRow) - ){ - pBest = pIdx; + if( !p->pSrc->a[0].fg.notIndexed ){ + for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){ + if( pIdx->bUnordered==0 + && pIdx->szIdxRow<pTab->szTabRow + && pIdx->pPartIdxWhere==0 + && (!pBest || pIdx->szIdxRow<pBest->szIdxRow) + ){ + pBest = pIdx; + } } } if( pBest ){ @@ -132223,17 +136054,16 @@ SQLITE_PRIVATE int sqlite3Select( } /* Open a read-only cursor, execute the OP_Count, close the cursor. */ - sqlite3VdbeAddOp4Int(v, OP_OpenRead, iCsr, iRoot, iDb, 1); + sqlite3VdbeAddOp4Int(v, OP_OpenRead, iCsr, (int)iRoot, iDb, 1); if( pKeyInfo ){ sqlite3VdbeChangeP4(v, -1, (char *)pKeyInfo, P4_KEYINFO); } - sqlite3VdbeAddOp2(v, OP_Count, iCsr, sAggInfo.aFunc[0].iMem); + sqlite3VdbeAddOp2(v, OP_Count, iCsr, pAggInfo->aFunc[0].iMem); sqlite3VdbeAddOp1(v, OP_Close, iCsr); explainSimpleCount(pParse, pTab, pBest); - }else -#endif /* SQLITE_OMIT_BTREECOUNT */ - { + }else{ int regAcc = 0; /* "populate accumulators" flag */ + int addrSkip; /* If there are accumulator registers but no min() or max() functions ** without FILTER clauses, allocate register regAcc. Register regAcc @@ -132242,14 +136072,18 @@ SQLITE_PRIVATE int sqlite3Select( ** that the accumulator registers are (a) updated only once if ** there are no min() or max functions or (b) always updated for the ** first row visited by the aggregate, so that they are updated at - ** least once even if the FILTER clause means the min() or max() + ** least once even if the FILTER clause means the min() or max() ** function visits zero rows. */ - if( sAggInfo.nAccumulator ){ - for(i=0; i<sAggInfo.nFunc; i++){ - if( ExprHasProperty(sAggInfo.aFunc[i].pExpr, EP_WinFunc) ) continue; - if( sAggInfo.aFunc[i].pFunc->funcFlags&SQLITE_FUNC_NEEDCOLL ) break; + if( pAggInfo->nAccumulator ){ + for(i=0; i<pAggInfo->nFunc; i++){ + if( ExprHasProperty(pAggInfo->aFunc[i].pFExpr, EP_WinFunc) ){ + continue; + } + if( pAggInfo->aFunc[i].pFunc->funcFlags&SQLITE_FUNC_NEEDCOLL ){ + break; + } } - if( i==sAggInfo.nFunc ){ + if( i==pAggInfo->nFunc ){ regAcc = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Integer, 0, regAcc); } @@ -132260,7 +136094,7 @@ SQLITE_PRIVATE int sqlite3Select( ** of output. */ assert( p->pGroupBy==0 ); - resetAccumulator(pParse, &sAggInfo); + resetAccumulator(pParse, pAggInfo); /* If this query is a candidate for the min/max optimization, then ** minMaxFlag will have been previously set to either @@ -132276,24 +136110,23 @@ SQLITE_PRIVATE int sqlite3Select( if( pWInfo==0 ){ goto select_end; } - updateAccumulator(pParse, regAcc, &sAggInfo); + updateAccumulator(pParse, regAcc, pAggInfo); if( regAcc ) sqlite3VdbeAddOp2(v, OP_Integer, 1, regAcc); - if( sqlite3WhereIsOrdered(pWInfo)>0 ){ - sqlite3VdbeGoto(v, sqlite3WhereBreakLabel(pWInfo)); - VdbeComment((v, "%s() by index", - (minMaxFlag==WHERE_ORDERBY_MIN?"min":"max"))); + addrSkip = sqlite3WhereOrderByLimitOptLabel(pWInfo); + if( addrSkip!=sqlite3WhereContinueLabel(pWInfo) ){ + sqlite3VdbeGoto(v, addrSkip); } sqlite3WhereEnd(pWInfo); - finalizeAggFunctions(pParse, &sAggInfo); + finalizeAggFunctions(pParse, pAggInfo); } sSort.pOrderBy = 0; sqlite3ExprIfFalse(pParse, pHaving, addrEnd, SQLITE_JUMPIFNULL); - selectInnerLoop(pParse, p, -1, 0, 0, + selectInnerLoop(pParse, p, -1, 0, 0, pDest, addrEnd, addrEnd); } sqlite3VdbeResolveLabel(v, addrEnd); - + } /* endif aggregate query */ if( sDistinct.eTnctType==WHERE_DISTINCT_UNORDERED ){ @@ -132323,11 +136156,28 @@ SQLITE_PRIVATE int sqlite3Select( */ select_end: sqlite3ExprListDelete(db, pMinMaxOrderBy); - sqlite3DbFree(db, sAggInfo.aCol); - sqlite3DbFree(db, sAggInfo.aFunc); +#ifdef SQLITE_DEBUG + if( pAggInfo && !db->mallocFailed ){ + for(i=0; i<pAggInfo->nColumn; i++){ + Expr *pExpr = pAggInfo->aCol[i].pCExpr; + assert( pExpr!=0 || db->mallocFailed ); + if( pExpr==0 ) continue; + assert( pExpr->pAggInfo==pAggInfo ); + assert( pExpr->iAgg==i ); + } + for(i=0; i<pAggInfo->nFunc; i++){ + Expr *pExpr = pAggInfo->aFunc[i].pFExpr; + assert( pExpr!=0 || db->mallocFailed ); + if( pExpr==0 ) continue; + assert( pExpr->pAggInfo==pAggInfo ); + assert( pExpr->iAgg==i ); + } + } +#endif + #if SELECTTRACE_ENABLED SELECTTRACE(0x1,pParse,p,("end processing\n")); - if( (sqlite3SelectTrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ + if( (sqlite3_unsupported_selecttrace & 0x2000)!=0 && ExplainQueryPlanParent(pParse)==0 ){ sqlite3TreeViewSelect(0, p, 0); } #endif @@ -132395,7 +136245,7 @@ static int sqlite3_get_table_cb(void *pArg, int nCol, char **argv, char **colv){ if( p->nData + need > p->nAlloc ){ char **azNew; p->nAlloc = p->nAlloc*2 + need; - azNew = sqlite3_realloc64( p->azResult, sizeof(char*)*p->nAlloc ); + azNew = sqlite3Realloc( p->azResult, sizeof(char*)*p->nAlloc ); if( azNew==0 ) goto malloc_failed; p->azResult = azNew; } @@ -132448,7 +136298,7 @@ malloc_failed: ** at the conclusion of the call. ** ** The result that is written to ***pazResult is held in memory obtained -** from malloc(). But the caller cannot free this memory directly. +** from malloc(). But the caller cannot free this memory directly. ** Instead, the entire table should be passed to sqlite3_free_table() when ** the calling procedure is finished using it. */ @@ -132504,7 +136354,7 @@ SQLITE_API int sqlite3_get_table( } if( res.nAlloc>res.nData ){ char **azNew; - azNew = sqlite3_realloc64( res.azResult, sizeof(char*)*res.nData ); + azNew = sqlite3Realloc( res.azResult, sizeof(char*)*res.nData ); if( azNew==0 ){ sqlite3_free_table(&res.azResult[1]); db->errCode = SQLITE_NOMEM; @@ -132566,6 +136416,7 @@ SQLITE_PRIVATE void sqlite3DeleteTriggerStep(sqlite3 *db, TriggerStep *pTriggerS sqlite3SelectDelete(db, pTmp->pSelect); sqlite3IdListDelete(db, pTmp->pIdList); sqlite3UpsertDelete(db, pTmp->pUpsert); + sqlite3SrcListDelete(db, pTmp->pFrom); sqlite3DbFree(db, pTmp->zSpan); sqlite3DbFree(db, pTmp); @@ -132573,7 +136424,7 @@ SQLITE_PRIVATE void sqlite3DeleteTriggerStep(sqlite3 *db, TriggerStep *pTriggerS } /* -** Given table pTab, return a list of all the triggers attached to +** Given table pTab, return a list of all the triggers attached to ** the table. The list is connected by Trigger.pNext pointers. ** ** All of the triggers on pTab that are in the same database as pTab @@ -132600,7 +136451,7 @@ SQLITE_PRIVATE Trigger *sqlite3TriggerList(Parse *pParse, Table *pTab){ for(p=sqliteHashFirst(&pTmpSchema->trigHash); p; p=sqliteHashNext(p)){ Trigger *pTrig = (Trigger *)sqliteHashData(p); if( pTrig->pTabSchema==pTab->pSchema - && 0==sqlite3StrICmp(pTrig->table, pTab->zName) + && 0==sqlite3StrICmp(pTrig->table, pTab->zName) ){ pTrig->pNext = (pList ? pList : pTab->pTrigger); pList = pTrig; @@ -132668,7 +136519,7 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( ** ^^^^^^^^ ** ** To maintain backwards compatibility, ignore the database - ** name on pTableName if we are reparsing out of SQLITE_MASTER. + ** name on pTableName if we are reparsing out of the schema table */ if( db->init.busy && iDb!=1 ){ sqlite3DbFree(db, pTableName->a[0].zDatabase); @@ -132747,7 +136598,7 @@ SQLITE_PRIVATE void sqlite3BeginTrigger( ** of triggers. */ if( pTab->pSelect && tr_tm!=TK_INSTEAD ){ - sqlite3ErrorMsg(pParse, "cannot create %s trigger on view: %S", + sqlite3ErrorMsg(pParse, "cannot create %s trigger on view: %S", (tr_tm == TK_BEFORE)?"BEFORE":"AFTER", pTableName, 0); goto trigger_cleanup; } @@ -132843,8 +136694,8 @@ SQLITE_PRIVATE void sqlite3FinishTrigger( } sqlite3TokenInit(&nameToken, pTrig->zName); sqlite3FixInit(&sFix, pParse, iDb, "trigger", &nameToken); - if( sqlite3FixTriggerStep(&sFix, pTrig->step_list) - || sqlite3FixExpr(&sFix, pTrig->pWhen) + if( sqlite3FixTriggerStep(&sFix, pTrig->step_list) + || sqlite3FixExpr(&sFix, pTrig->pWhen) ){ goto triggerfinish_cleanup; } @@ -132858,21 +136709,22 @@ SQLITE_PRIVATE void sqlite3FinishTrigger( #endif /* if we are not initializing, - ** build the sqlite_master entry + ** build the sqlite_schema entry */ if( !db->init.busy ){ Vdbe *v; char *z; - /* Make an entry in the sqlite_master table */ + /* Make an entry in the sqlite_schema table */ v = sqlite3GetVdbe(pParse); if( v==0 ) goto triggerfinish_cleanup; sqlite3BeginWriteOperation(pParse, 0, iDb); z = sqlite3DbStrNDup(db, (char*)pAll->z, pAll->n); testcase( z==0 ); sqlite3NestedParse(pParse, - "INSERT INTO %Q.%s VALUES('trigger',%Q,%Q,0,'CREATE TRIGGER %q')", - db->aDb[iDb].zDbSName, MASTER_NAME, zName, + "INSERT INTO %Q." DFLT_SCHEMA_TABLE + " VALUES('trigger',%Q,%Q,0,'CREATE TRIGGER %q')", + db->aDb[iDb].zDbSName, zName, pTrig->table, z); sqlite3DbFree(db, z); sqlite3ChangeCookie(pParse, iDb); @@ -132912,14 +136764,14 @@ static char *triggerSpanDup(sqlite3 *db, const char *zStart, const char *zEnd){ int i; if( z ) for(i=0; z[i]; i++) if( sqlite3Isspace(z[i]) ) z[i] = ' '; return z; -} +} /* ** Turn a SELECT statement (that the pSelect parameter points to) into ** a trigger step. Return a pointer to a TriggerStep structure. ** ** The parser calls this routine when it finds a SELECT statement in -** body of a TRIGGER. +** body of a TRIGGER. */ SQLITE_PRIVATE TriggerStep *sqlite3TriggerSelectStep( sqlite3 *db, /* Database connection */ @@ -133025,6 +136877,7 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerInsertStep( SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep( Parse *pParse, /* Parser */ Token *pTableName, /* Name of the table to be updated */ + SrcList *pFrom, ExprList *pEList, /* The SET clause: list of column and new values */ Expr *pWhere, /* The WHERE clause */ u8 orconf, /* The conflict algorithm. (OE_Abort, OE_Ignore, etc) */ @@ -133039,16 +136892,20 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerUpdateStep( if( IN_RENAME_OBJECT ){ pTriggerStep->pExprList = pEList; pTriggerStep->pWhere = pWhere; + pTriggerStep->pFrom = pFrom; pEList = 0; pWhere = 0; + pFrom = 0; }else{ pTriggerStep->pExprList = sqlite3ExprListDup(db, pEList, EXPRDUP_REDUCE); pTriggerStep->pWhere = sqlite3ExprDup(db, pWhere, EXPRDUP_REDUCE); + pTriggerStep->pFrom = sqlite3SrcListDup(db, pFrom, EXPRDUP_REDUCE); } pTriggerStep->orconf = orconf; } sqlite3ExprListDelete(db, pEList); sqlite3ExprDelete(db, pWhere); + sqlite3SrcListDelete(db, pFrom); return pTriggerStep; } @@ -133081,7 +136938,7 @@ SQLITE_PRIVATE TriggerStep *sqlite3TriggerDeleteStep( return pTriggerStep; } -/* +/* ** Recursively delete a Trigger structure */ SQLITE_PRIVATE void sqlite3DeleteTrigger(sqlite3 *db, Trigger *pTrigger){ @@ -133095,7 +136952,7 @@ SQLITE_PRIVATE void sqlite3DeleteTrigger(sqlite3 *db, Trigger *pTrigger){ } /* -** This function is called to drop a trigger from the database schema. +** This function is called to drop a trigger from the database schema. ** ** This may be called directly from the parser and therefore identifies ** the trigger by name. The sqlite3DropTriggerPtr() routine does the @@ -133120,7 +136977,7 @@ SQLITE_PRIVATE void sqlite3DropTrigger(Parse *pParse, SrcList *pName, int noErr) assert( zDb!=0 || sqlite3BtreeHoldsAllMutexes(db) ); for(i=OMIT_TEMPDB; i<db->nDb; i++){ int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ - if( zDb && sqlite3StrICmp(db->aDb[j].zDbSName, zDb) ) continue; + if( zDb && sqlite3DbIsNamed(db, j, zDb)==0 ) continue; assert( sqlite3SchemaMutexHeld(db, j, 0) ); pTrigger = sqlite3HashFind(&(db->aDb[j].pSchema->trigHash), zName); if( pTrigger ) break; @@ -133150,7 +137007,7 @@ static Table *tableOfTrigger(Trigger *pTrigger){ /* -** Drop a trigger given a pointer to that trigger. +** Drop a trigger given a pointer to that trigger. */ SQLITE_PRIVATE void sqlite3DropTriggerPtr(Parse *pParse, Trigger *pTrigger){ Table *pTable; @@ -133179,8 +137036,8 @@ SQLITE_PRIVATE void sqlite3DropTriggerPtr(Parse *pParse, Trigger *pTrigger){ */ if( (v = sqlite3GetVdbe(pParse))!=0 ){ sqlite3NestedParse(pParse, - "DELETE FROM %Q.%s WHERE name=%Q AND type='trigger'", - db->aDb[iDb].zDbSName, MASTER_NAME, pTrigger->zName + "DELETE FROM %Q." DFLT_SCHEMA_TABLE " WHERE name=%Q AND type='trigger'", + db->aDb[iDb].zDbSName, pTrigger->zName ); sqlite3ChangeCookie(pParse, iDb); sqlite3VdbeAddOp4(v, OP_DropTrigger, iDb, 0, 0, pTrigger->zName, 0); @@ -133202,8 +137059,12 @@ SQLITE_PRIVATE void sqlite3UnlinkAndDeleteTrigger(sqlite3 *db, int iDb, const ch Table *pTab = tableOfTrigger(pTrigger); if( pTab ){ Trigger **pp; - for(pp=&pTab->pTrigger; *pp!=pTrigger; pp=&((*pp)->pNext)); - *pp = (*pp)->pNext; + for(pp=&pTab->pTrigger; *pp; pp=&((*pp)->pNext)){ + if( *pp==pTrigger ){ + *pp = (*pp)->pNext; + break; + } + } } } sqlite3DeleteTrigger(db, pTrigger); @@ -133224,14 +137085,14 @@ static int checkColumnOverlap(IdList *pIdList, ExprList *pEList){ int e; if( pIdList==0 || NEVER(pEList==0) ) return 1; for(e=0; e<pEList->nExpr; e++){ - if( sqlite3IdListIndex(pIdList, pEList->a[e].zName)>=0 ) return 1; + if( sqlite3IdListIndex(pIdList, pEList->a[e].zEName)>=0 ) return 1; } - return 0; + return 0; } /* ** Return a list of all triggers on table pTab if there exists at least -** one trigger that must be fired when an operation of type 'op' is +** one trigger that must be fired when an operation of type 'op' is ** performed on the table, and, if that operation is an UPDATE, if at ** least one of the columns in pChanges is being modified. */ @@ -133271,37 +137132,40 @@ SQLITE_PRIVATE Trigger *sqlite3TriggersExist( ** trigger is in TEMP in which case it can refer to any other database it ** wants. */ -static SrcList *targetSrcList( +SQLITE_PRIVATE SrcList *sqlite3TriggerStepSrc( Parse *pParse, /* The parsing context */ TriggerStep *pStep /* The trigger containing the target token */ ){ sqlite3 *db = pParse->db; - int iDb; /* Index of the database to use */ - SrcList *pSrc; /* SrcList to be returned */ - + SrcList *pSrc; /* SrcList to be returned */ + char *zName = sqlite3DbStrDup(db, pStep->zTarget); pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); + assert( pSrc==0 || pSrc->nSrc==1 ); + assert( zName || pSrc==0 ); if( pSrc ){ - assert( pSrc->nSrc>0 ); - pSrc->a[pSrc->nSrc-1].zName = sqlite3DbStrDup(db, pStep->zTarget); - iDb = sqlite3SchemaToIndex(db, pStep->pTrig->pSchema); - if( iDb==0 || iDb>=2 ){ - const char *zDb; - assert( iDb<db->nDb ); - zDb = db->aDb[iDb].zDbSName; - pSrc->a[pSrc->nSrc-1].zDatabase = sqlite3DbStrDup(db, zDb); + Schema *pSchema = pStep->pTrig->pSchema; + pSrc->a[0].zName = zName; + if( pSchema!=db->aDb[1].pSchema ){ + pSrc->a[0].pSchema = pSchema; } + if( pStep->pFrom ){ + SrcList *pDup = sqlite3SrcListDup(db, pStep->pFrom, 0); + pSrc = sqlite3SrcListAppendList(pParse, pSrc, pDup); + } + }else{ + sqlite3DbFree(db, zName); } return pSrc; } /* -** Generate VDBE code for the statements inside the body of a single +** Generate VDBE code for the statements inside the body of a single ** trigger. */ static int codeTriggerProgram( Parse *pParse, /* The parser context */ TriggerStep *pStepList, /* List of statements inside the trigger body */ - int orconf /* Conflict algorithm. (OE_Abort, etc) */ + int orconf /* Conflict algorithm. (OE_Abort, etc) */ ){ TriggerStep *pStep; Vdbe *v = pParse->pVdbe; @@ -133337,27 +137201,27 @@ static int codeTriggerProgram( switch( pStep->op ){ case TK_UPDATE: { - sqlite3Update(pParse, - targetSrcList(pParse, pStep), - sqlite3ExprListDup(db, pStep->pExprList, 0), - sqlite3ExprDup(db, pStep->pWhere, 0), + sqlite3Update(pParse, + sqlite3TriggerStepSrc(pParse, pStep), + sqlite3ExprListDup(db, pStep->pExprList, 0), + sqlite3ExprDup(db, pStep->pWhere, 0), pParse->eOrconf, 0, 0, 0 ); break; } case TK_INSERT: { - sqlite3Insert(pParse, - targetSrcList(pParse, pStep), - sqlite3SelectDup(db, pStep->pSelect, 0), - sqlite3IdListDup(db, pStep->pIdList), + sqlite3Insert(pParse, + sqlite3TriggerStepSrc(pParse, pStep), + sqlite3SelectDup(db, pStep->pSelect, 0), + sqlite3IdListDup(db, pStep->pIdList), pParse->eOrconf, sqlite3UpsertDup(db, pStep->pUpsert) ); break; } case TK_DELETE: { - sqlite3DeleteFrom(pParse, - targetSrcList(pParse, pStep), + sqlite3DeleteFrom(pParse, + sqlite3TriggerStepSrc(pParse, pStep), sqlite3ExprDup(db, pStep->pWhere, 0), 0, 0 ); break; @@ -133370,7 +137234,7 @@ static int codeTriggerProgram( sqlite3SelectDelete(db, pSelect); break; } - } + } if( pStep->op!=TK_SELECT ){ sqlite3VdbeAddOp0(v, OP_ResetCount); } @@ -133415,7 +137279,7 @@ static void transferParseError(Parse *pTo, Parse *pFrom){ } /* -** Create and populate a new TriggerPrg object with a sub-program +** Create and populate a new TriggerPrg object with a sub-program ** implementing trigger pTrigger with ON CONFLICT policy orconf. */ static TriggerPrg *codeRowTrigger( @@ -133438,7 +137302,7 @@ static TriggerPrg *codeRowTrigger( assert( pTop->pVdbe ); /* Allocate the TriggerPrg and SubProgram objects. To ensure that they - ** are freed if an error occurs, link them into the Parse.pTriggerPrg + ** are freed if an error occurs, link them into the Parse.pTriggerPrg ** list of the top-level Parse object sooner rather than later. */ pPrg = sqlite3DbMallocZero(db, sizeof(TriggerPrg)); if( !pPrg ) return 0; @@ -133452,7 +137316,7 @@ static TriggerPrg *codeRowTrigger( pPrg->aColmask[0] = 0xffffffff; pPrg->aColmask[1] = 0xffffffff; - /* Allocate and populate a new Parse context to use for coding the + /* Allocate and populate a new Parse context to use for coding the ** trigger sub-program. */ pSubParse = sqlite3StackAllocZero(db, sizeof(Parse)); if( !pSubParse ) return 0; @@ -133468,7 +137332,7 @@ static TriggerPrg *codeRowTrigger( v = sqlite3GetVdbe(pSubParse); if( v ){ - VdbeComment((v, "Start: %s.%s (%s %s%s%s ON %s)", + VdbeComment((v, "Start: %s.%s (%s %s%s%s ON %s)", pTrigger->zName, onErrorText(orconf), (pTrigger->tr_tm==TRIGGER_BEFORE ? "BEFORE" : "AFTER"), (pTrigger->op==TK_UPDATE ? "UPDATE" : ""), @@ -133478,19 +137342,19 @@ static TriggerPrg *codeRowTrigger( )); #ifndef SQLITE_OMIT_TRACE if( pTrigger->zName ){ - sqlite3VdbeChangeP4(v, -1, + sqlite3VdbeChangeP4(v, -1, sqlite3MPrintf(db, "-- TRIGGER %s", pTrigger->zName), P4_DYNAMIC ); } #endif /* If one was specified, code the WHEN clause. If it evaluates to false - ** (or NULL) the sub-vdbe is immediately halted by jumping to the + ** (or NULL) the sub-vdbe is immediately halted by jumping to the ** OP_Halt inserted at the end of the program. */ if( pTrigger->pWhen ){ pWhen = sqlite3ExprDup(db, pTrigger->pWhen, 0); - if( SQLITE_OK==sqlite3ResolveExprNames(&sNC, pWhen) - && db->mallocFailed==0 + if( SQLITE_OK==sqlite3ResolveExprNames(&sNC, pWhen) + && db->mallocFailed==0 ){ iEndTrigger = sqlite3VdbeMakeLabel(pSubParse); sqlite3ExprIfFalse(pSubParse, pWhen, iEndTrigger, SQLITE_JUMPIFNULL); @@ -133527,7 +137391,7 @@ static TriggerPrg *codeRowTrigger( return pPrg; } - + /* ** Return a pointer to a TriggerPrg object containing the sub-program for ** trigger pTrigger with default ON CONFLICT algorithm orconf. If no such @@ -133549,8 +137413,8 @@ static TriggerPrg *getRowTrigger( ** process of being coded). If this is the case, then an entry with ** a matching TriggerPrg.pTrigger field will be present somewhere ** in the Parse.pTriggerPrg list. Search for such an entry. */ - for(pPrg=pRoot->pTriggerPrg; - pPrg && (pPrg->pTrigger!=pTrigger || pPrg->orconf!=orconf); + for(pPrg=pRoot->pTriggerPrg; + pPrg && (pPrg->pTrigger!=pTrigger || pPrg->orconf!=orconf); pPrg=pPrg->pNext ); @@ -133563,7 +137427,7 @@ static TriggerPrg *getRowTrigger( } /* -** Generate code for the trigger program associated with trigger p on +** Generate code for the trigger program associated with trigger p on ** table pTab. The reg, orconf and ignoreJump parameters passed to this ** function are the same as those described in the header function for ** sqlite3CodeRowTrigger() @@ -133581,7 +137445,7 @@ SQLITE_PRIVATE void sqlite3CodeRowTriggerDirect( pPrg = getRowTrigger(pParse, p, pTab, orconf); assert( pPrg || pParse->nErr || pParse->db->mallocFailed ); - /* Code the OP_Program opcode in the parent VDBE. P4 of the OP_Program + /* Code the OP_Program opcode in the parent VDBE. P4 of the OP_Program ** is a pointer to the sub-vdbe containing the trigger program. */ if( pPrg ){ int bRecursive = (p->zName && 0==(pParse->db->flags&SQLITE_RecTriggers)); @@ -133610,7 +137474,7 @@ SQLITE_PRIVATE void sqlite3CodeRowTriggerDirect( ** If there are no triggers that fire at the specified time for the specified ** operation on pTab, this function is a no-op. ** -** The reg argument is the address of the first in an array of registers +** The reg argument is the address of the first in an array of registers ** that contain the values substituted for the new.* and old.* references ** in the trigger program. If N is the number of columns in table pTab ** (a copy of pTab->nCol), then registers are populated as follows: @@ -133627,12 +137491,12 @@ SQLITE_PRIVATE void sqlite3CodeRowTriggerDirect( ** reg+N+N+1 NEW.* value of right-most column of pTab ** ** For ON DELETE triggers, the registers containing the NEW.* values will -** never be accessed by the trigger program, so they are not allocated or -** populated by the caller (there is no data to populate them with anyway). +** never be accessed by the trigger program, so they are not allocated or +** populated by the caller (there is no data to populate them with anyway). ** Similarly, for ON INSERT triggers the values stored in the OLD.* registers ** are never accessed, and so are not allocated by the caller. So, for an ** ON INSERT trigger, the value passed to this function as parameter reg -** is not a readable register, although registers (reg+N) through +** is not a readable register, although registers (reg+N) through ** (reg+N+N+1) are. ** ** Parameter orconf is the default conflict resolution algorithm for the @@ -133664,12 +137528,12 @@ SQLITE_PRIVATE void sqlite3CodeRowTrigger( ** or else it must be a TEMP trigger. */ assert( p->pSchema!=0 ); assert( p->pTabSchema!=0 ); - assert( p->pSchema==p->pTabSchema + assert( p->pSchema==p->pTabSchema || p->pSchema==pParse->db->aDb[1].pSchema ); /* Determine whether we should code this trigger */ - if( p->op==op - && p->tr_tm==tr_tm + if( p->op==op + && p->tr_tm==tr_tm && checkColumnOverlap(p->pColumns, pChanges) ){ sqlite3CodeRowTriggerDirect(pParse, p, pTab, reg, orconf, ignoreJump); @@ -133678,9 +137542,9 @@ SQLITE_PRIVATE void sqlite3CodeRowTrigger( } /* -** Triggers may access values stored in the old.* or new.* pseudo-table. -** This function returns a 32-bit bitmask indicating which columns of the -** old.* or new.* tables actually are used by triggers. This information +** Triggers may access values stored in the old.* or new.* pseudo-table. +** This function returns a 32-bit bitmask indicating which columns of the +** old.* or new.* tables actually are used by triggers. This information ** may be used by the caller, for example, to avoid having to load the entire ** old.* record into memory when executing an UPDATE or DELETE command. ** @@ -133690,7 +137554,7 @@ SQLITE_PRIVATE void sqlite3CodeRowTrigger( ** are more than 32 columns in the table, and at least one of the columns ** with an index greater than 32 may be accessed, 0xffffffff is returned. ** -** It is not possible to determine if the old.rowid or new.rowid column is +** It is not possible to determine if the old.rowid or new.rowid column is ** accessed by triggers. The caller must always assume that it is. ** ** Parameter isNew must be either 1 or 0. If it is 0, then the mask returned @@ -133767,10 +137631,10 @@ static void updateVirtualTable( /* ** The most recently coded instruction was an OP_Column to retrieve the -** i-th column of table pTab. This routine sets the P4 parameter of the +** i-th column of table pTab. This routine sets the P4 parameter of the ** OP_Column to the default value, if any. ** -** The default value of a column is specified by a DEFAULT clause in the +** The default value of a column is specified by a DEFAULT clause in the ** column definition. This was either supplied by the user when the table ** was created, or added later to the table definition by an ALTER TABLE ** command. If the latter, then the row-records in the table btree on disk @@ -133779,21 +137643,21 @@ static void updateVirtualTable( ** If the former, then all row-records are guaranteed to include a value ** for the column and the P4 value is not required. ** -** Column definitions created by an ALTER TABLE command may only have +** Column definitions created by an ALTER TABLE command may only have ** literal default values specified: a number, null or a string. (If a more -** complicated default expression value was provided, it is evaluated +** complicated default expression value was provided, it is evaluated ** when the ALTER TABLE is executed and one of the literal values written -** into the sqlite_master table.) +** into the sqlite_schema table.) ** ** Therefore, the P4 parameter is only required if the default value for ** the column is a literal number, string or null. The sqlite3ValueFromExpr() ** function is capable of transforming these types of expressions into ** sqlite3_value objects. ** -** If parameter iReg is not negative, code an OP_RealAffinity instruction -** on register iReg. This is used when an equivalent integer value is -** stored in place of an 8-byte floating point value in order to save -** space. +** If column as REAL affinity and the table is an ordinary b-tree table +** (not a virtual table) then the value might have been stored as an +** integer. In that case, add an OP_RealAffinity opcode to make sure +** it has been converted into REAL. */ SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i, int iReg){ assert( pTab!=0 ); @@ -133803,14 +137667,14 @@ SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *v, Table *pTab, int i, int iReg){ Column *pCol = &pTab->aCol[i]; VdbeComment((v, "%s.%s", pTab->zName, pCol->zName)); assert( i<pTab->nCol ); - sqlite3ValueFromExpr(sqlite3VdbeDb(v), pCol->pDflt, enc, + sqlite3ValueFromExpr(sqlite3VdbeDb(v), pCol->pDflt, enc, pCol->affinity, &pValue); if( pValue ){ sqlite3VdbeAppendP4(v, pValue, P4_MEM); } } #ifndef SQLITE_OMIT_FLOATING_POINT - if( pTab->aCol[i].affinity==SQLITE_AFF_REAL ){ + if( pTab->aCol[i].affinity==SQLITE_AFF_REAL && !IsVirtual(pTab) ){ sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg); } #endif @@ -133868,11 +137732,148 @@ static int indexWhereClauseMightChange( } /* +** Allocate and return a pointer to an expression of type TK_ROW with +** Expr.iColumn set to value (iCol+1). The resolver will modify the +** expression to be a TK_COLUMN reading column iCol of the first +** table in the source-list (pSrc->a[0]). +*/ +static Expr *exprRowColumn(Parse *pParse, int iCol){ + Expr *pRet = sqlite3PExpr(pParse, TK_ROW, 0, 0); + if( pRet ) pRet->iColumn = iCol+1; + return pRet; +} + +/* +** Assuming both the pLimit and pOrderBy parameters are NULL, this function +** generates VM code to run the query: +** +** SELECT <other-columns>, pChanges FROM pTabList WHERE pWhere +** +** and write the results to the ephemeral table already opened as cursor +** iEph. None of pChanges, pTabList or pWhere are modified or consumed by +** this function, they must be deleted by the caller. +** +** Or, if pLimit and pOrderBy are not NULL, and pTab is not a view: +** +** SELECT <other-columns>, pChanges FROM pTabList +** WHERE pWhere +** GROUP BY <other-columns> +** ORDER BY pOrderBy LIMIT pLimit +** +** If pTab is a view, the GROUP BY clause is omitted. +** +** Exactly how results are written to table iEph, and exactly what +** the <other-columns> in the query above are is determined by the type +** of table pTabList->a[0].pTab. +** +** If the table is a WITHOUT ROWID table, then argument pPk must be its +** PRIMARY KEY. In this case <other-columns> are the primary key columns +** of the table, in order. The results of the query are written to ephemeral +** table iEph as index keys, using OP_IdxInsert. +** +** If the table is actually a view, then <other-columns> are all columns of +** the view. The results are written to the ephemeral table iEph as records +** with automatically assigned integer keys. +** +** If the table is a virtual or ordinary intkey table, then <other-columns> +** is its rowid. For a virtual table, the results are written to iEph as +** records with automatically assigned integer keys For intkey tables, the +** rowid value in <other-columns> is used as the integer key, and the +** remaining fields make up the table record. +*/ +static void updateFromSelect( + Parse *pParse, /* Parse context */ + int iEph, /* Cursor for open eph. table */ + Index *pPk, /* PK if table 0 is WITHOUT ROWID */ + ExprList *pChanges, /* List of expressions to return */ + SrcList *pTabList, /* List of tables to select from */ + Expr *pWhere, /* WHERE clause for query */ + ExprList *pOrderBy, /* ORDER BY clause */ + Expr *pLimit /* LIMIT clause */ +){ + int i; + SelectDest dest; + Select *pSelect = 0; + ExprList *pList = 0; + ExprList *pGrp = 0; + Expr *pLimit2 = 0; + ExprList *pOrderBy2 = 0; + sqlite3 *db = pParse->db; + Table *pTab = pTabList->a[0].pTab; + SrcList *pSrc; + Expr *pWhere2; + int eDest; + +#ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT + if( pOrderBy && pLimit==0 ) { + sqlite3ErrorMsg(pParse, "ORDER BY without LIMIT on UPDATE"); + return; + } + pOrderBy2 = sqlite3ExprListDup(db, pOrderBy, 0); + pLimit2 = sqlite3ExprDup(db, pLimit, 0); +#else + UNUSED_PARAMETER(pOrderBy); + UNUSED_PARAMETER(pLimit); +#endif + + pSrc = sqlite3SrcListDup(db, pTabList, 0); + pWhere2 = sqlite3ExprDup(db, pWhere, 0); + + assert( pTabList->nSrc>1 ); + if( pSrc ){ + pSrc->a[0].iCursor = -1; + pSrc->a[0].pTab->nTabRef--; + pSrc->a[0].pTab = 0; + } + if( pPk ){ + for(i=0; i<pPk->nKeyCol; i++){ + Expr *pNew = exprRowColumn(pParse, pPk->aiColumn[i]); +#ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT + if( pLimit ){ + pGrp = sqlite3ExprListAppend(pParse, pGrp, sqlite3ExprDup(db, pNew, 0)); + } +#endif + pList = sqlite3ExprListAppend(pParse, pList, pNew); + } + eDest = SRT_Upfrom; + }else if( pTab->pSelect ){ + for(i=0; i<pTab->nCol; i++){ + pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i)); + } + eDest = SRT_Table; + }else{ + eDest = IsVirtual(pTab) ? SRT_Table : SRT_Upfrom; + pList = sqlite3ExprListAppend(pParse, 0, sqlite3PExpr(pParse,TK_ROW,0,0)); +#ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT + if( pLimit ){ + pGrp = sqlite3ExprListAppend(pParse, 0, sqlite3PExpr(pParse,TK_ROW,0,0)); + } +#endif + } + if( ALWAYS(pChanges) ){ + for(i=0; i<pChanges->nExpr; i++){ + pList = sqlite3ExprListAppend(pParse, pList, + sqlite3ExprDup(db, pChanges->a[i].pExpr, 0) + ); + } + } + pSelect = sqlite3SelectNew(pParse, pList, + pSrc, pWhere2, pGrp, 0, pOrderBy2, SF_UpdateFrom|SF_IncludeHidden, pLimit2 + ); + sqlite3SelectDestInit(&dest, eDest, iEph); + dest.iSDParm2 = (pPk ? pPk->nKeyCol : -1); + sqlite3Select(pParse, pSelect, &dest); + sqlite3SelectDelete(db, pSelect); +} + +/* ** Process an UPDATE statement. ** -** UPDATE OR IGNORE table_wxyz SET a=b, c=d WHERE e<5 AND f NOT NULL; -** \_______/ \________/ \______/ \________________/ -* onError pTabList pChanges pWhere +** UPDATE OR IGNORE tbl SET a=b, c=d FROM tbl2... WHERE e<5 AND f NOT NULL; +** \_______/ \_/ \______/ \_____/ \________________/ +** onError | pChanges | pWhere +** \_______________________/ +** pTabList */ SQLITE_PRIVATE void sqlite3Update( Parse *pParse, /* The parser context */ @@ -133884,10 +137885,10 @@ SQLITE_PRIVATE void sqlite3Update( Expr *pLimit, /* LIMIT clause. May be null */ Upsert *pUpsert /* ON CONFLICT clause, or null */ ){ - int i, j; /* Loop counters */ + int i, j, k; /* Loop counters */ Table *pTab; /* The table to be updated */ int addrTop = 0; /* VDBE instruction address of the start of the loop */ - WhereInfo *pWInfo; /* Information about the WHERE clause */ + WhereInfo *pWInfo = 0; /* Information about the WHERE clause */ Vdbe *v; /* The virtual database engine */ Index *pIdx; /* For looping over indices */ Index *pPk; /* The PRIMARY KEY index for WITHOUT ROWID tables */ @@ -133906,6 +137907,7 @@ SQLITE_PRIVATE void sqlite3Update( u8 chngRowid; /* Rowid changed in a normal table */ u8 chngKey; /* Either chngPk or chngRowid */ Expr *pRowidExpr = 0; /* Expression defining the new record number */ + int iRowidExpr = -1; /* Index of "rowid=" (or IPK) assignment in pChanges */ AuthContext sContext; /* The authorization context */ NameContext sNC; /* The name-context to resolve expressions in */ int iDb; /* Database containing the table being updated */ @@ -133928,6 +137930,8 @@ SQLITE_PRIVATE void sqlite3Update( int iPk = 0; /* First of nPk cells holding PRIMARY KEY value */ i16 nPk = 0; /* Number of components of the PRIMARY KEY */ int bReplace = 0; /* True if REPLACE conflict resolution might happen */ + int bFinishSeek = 1; /* The OP_FinishSeek opcode is needed */ + int nChangeFrom = 0; /* If there is a FROM, pChanges->nExpr, else 0 */ /* Register Allocations */ int regRowCount = 0; /* A count of rows changed */ @@ -133943,9 +137947,8 @@ SQLITE_PRIVATE void sqlite3Update( if( pParse->nErr || db->mallocFailed ){ goto update_cleanup; } - assert( pTabList->nSrc==1 ); - /* Locate the table which we want to update. + /* Locate the table which we want to update. */ pTab = sqlite3SrcListLookup(pParse, pTabList); if( pTab==0 ) goto update_cleanup; @@ -133968,8 +137971,15 @@ SQLITE_PRIVATE void sqlite3Update( # define isView 0 #endif + /* If there was a FROM clause, set nChangeFrom to the number of expressions + ** in the change-list. Otherwise, set it to 0. There cannot be a FROM + ** clause if this function is being called to generate code for part of + ** an UPSERT statement. */ + nChangeFrom = (pTabList->nSrc>1) ? pChanges->nExpr : 0; + assert( nChangeFrom==0 || pUpsert==0 ); + #ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT - if( !isView ){ + if( !isView && nChangeFrom==0 ){ pWhere = sqlite3LimitWhere( pParse, pTabList, pWhere, pOrderBy, pLimit, "UPDATE" ); @@ -134008,7 +138018,7 @@ SQLITE_PRIVATE void sqlite3Update( } pTabList->a[0].iCursor = iDataCur; - /* Allocate space for aXRef[], aRegIdx[], and aToOpen[]. + /* Allocate space for aXRef[], aRegIdx[], and aToOpen[]. ** Initialize aXRef[] and aToOpen[] to their default values. */ aXRef = sqlite3DbMallocRawNN(db, sizeof(int) * (pTab->nCol+nIdx+1) + nIdx+2 ); @@ -134026,6 +138036,10 @@ SQLITE_PRIVATE void sqlite3Update( sNC.uNC.pUpsert = pUpsert; sNC.ncFlags = NC_UUpsert; + /* Begin generating code. */ + v = sqlite3GetVdbe(pParse); + if( v==0 ) goto update_cleanup; + /* Resolve the column names in all the expressions of the ** of the UPDATE statement. Also find the column index ** for each column to be updated in the pChanges array. For each @@ -134034,28 +138048,42 @@ SQLITE_PRIVATE void sqlite3Update( */ chngRowid = chngPk = 0; for(i=0; i<pChanges->nExpr; i++){ - if( sqlite3ResolveExprNames(&sNC, pChanges->a[i].pExpr) ){ + /* If this is an UPDATE with a FROM clause, do not resolve expressions + ** here. The call to sqlite3Select() below will do that. */ + if( nChangeFrom==0 && sqlite3ResolveExprNames(&sNC, pChanges->a[i].pExpr) ){ goto update_cleanup; } for(j=0; j<pTab->nCol; j++){ - if( sqlite3StrICmp(pTab->aCol[j].zName, pChanges->a[i].zName)==0 ){ + if( sqlite3StrICmp(pTab->aCol[j].zName, pChanges->a[i].zEName)==0 ){ if( j==pTab->iPKey ){ chngRowid = 1; pRowidExpr = pChanges->a[i].pExpr; + iRowidExpr = i; }else if( pPk && (pTab->aCol[j].colFlags & COLFLAG_PRIMKEY)!=0 ){ chngPk = 1; } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + else if( pTab->aCol[j].colFlags & COLFLAG_GENERATED ){ + testcase( pTab->aCol[j].colFlags & COLFLAG_VIRTUAL ); + testcase( pTab->aCol[j].colFlags & COLFLAG_STORED ); + sqlite3ErrorMsg(pParse, + "cannot UPDATE generated column \"%s\"", + pTab->aCol[j].zName); + goto update_cleanup; + } +#endif aXRef[j] = i; break; } } if( j>=pTab->nCol ){ - if( pPk==0 && sqlite3IsRowid(pChanges->a[i].zName) ){ + if( pPk==0 && sqlite3IsRowid(pChanges->a[i].zEName) ){ j = -1; chngRowid = 1; pRowidExpr = pChanges->a[i].pExpr; + iRowidExpr = i; }else{ - sqlite3ErrorMsg(pParse, "no such column: %s", pChanges->a[i].zName); + sqlite3ErrorMsg(pParse, "no such column: %s", pChanges->a[i].zEName); pParse->checkSchema = 1; goto update_cleanup; } @@ -134079,7 +138107,34 @@ SQLITE_PRIVATE void sqlite3Update( assert( chngPk==0 || chngPk==1 ); chngKey = chngRowid + chngPk; - /* The SET expressions are not actually used inside the WHERE loop. +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + /* Mark generated columns as changing if their generator expressions + ** reference any changing column. The actual aXRef[] value for + ** generated expressions is not used, other than to check to see that it + ** is non-negative, so the value of aXRef[] for generated columns can be + ** set to any non-negative number. We use 99999 so that the value is + ** obvious when looking at aXRef[] in a symbolic debugger. + */ + if( pTab->tabFlags & TF_HasGenerated ){ + int bProgress; + testcase( pTab->tabFlags & TF_HasVirtual ); + testcase( pTab->tabFlags & TF_HasStored ); + do{ + bProgress = 0; + for(i=0; i<pTab->nCol; i++){ + if( aXRef[i]>=0 ) continue; + if( (pTab->aCol[i].colFlags & COLFLAG_GENERATED)==0 ) continue; + if( sqlite3ExprReferencesUpdatedColumn(pTab->aCol[i].pDflt, + aXRef, chngRowid) ){ + aXRef[i] = 99999; + bProgress = 1; + } + } + }while( bProgress ); + } +#endif + + /* The SET expressions are not actually used inside the WHERE loop. ** So reset the colUsed mask. Unless this is a virtual table. In that ** case, set all bits of the colUsed mask (to ensure that the virtual ** table implementation makes all columns available). @@ -134118,14 +138173,11 @@ SQLITE_PRIVATE void sqlite3Update( } aRegIdx[nAllIdx] = ++pParse->nMem; /* Register storing the table record */ if( bReplace ){ - /* If REPLACE conflict resolution might be invoked, open cursors on all + /* If REPLACE conflict resolution might be invoked, open cursors on all ** indexes in case they are needed to delete records. */ memset(aToOpen, 1, nIdx+1); } - /* Begin generating code. */ - v = sqlite3GetVdbe(pParse); - if( v==0 ) goto update_cleanup; if( pParse->nested==0 ) sqlite3VdbeCountChanges(v); sqlite3BeginWriteOperation(pParse, pTrigger || hasFK, iDb); @@ -134159,8 +138211,8 @@ SQLITE_PRIVATE void sqlite3Update( ** an ephemeral table. */ #if !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER) - if( isView ){ - sqlite3MaterializeView(pParse, pTab, + if( nChangeFrom==0 && isView ){ + sqlite3MaterializeView(pParse, pTab, pWhere, pOrderBy, pLimit, iDataCur ); pOrderBy = 0; @@ -134171,7 +138223,7 @@ SQLITE_PRIVATE void sqlite3Update( /* Resolve the column names in all the expressions in the ** WHERE clause. */ - if( sqlite3ResolveExprNames(&sNC, pWhere) ){ + if( nChangeFrom==0 && sqlite3ResolveExprNames(&sNC, pWhere) ){ goto update_cleanup; } @@ -134198,122 +138250,150 @@ SQLITE_PRIVATE void sqlite3Update( sqlite3VdbeAddOp2(v, OP_Integer, 0, regRowCount); } - if( HasRowid(pTab) ){ + if( nChangeFrom==0 && HasRowid(pTab) ){ sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid); }else{ - assert( pPk!=0 ); - nPk = pPk->nKeyCol; + assert( pPk!=0 || HasRowid(pTab) ); + nPk = pPk ? pPk->nKeyCol : 0; iPk = pParse->nMem+1; pParse->nMem += nPk; + pParse->nMem += nChangeFrom; regKey = ++pParse->nMem; if( pUpsert==0 ){ + int nEphCol = nPk + nChangeFrom + (isView ? pTab->nCol : 0); iEph = pParse->nTab++; - sqlite3VdbeAddOp3(v, OP_Null, 0, iPk, iPk+nPk-1); - addrOpen = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, iEph, nPk); - sqlite3VdbeSetP4KeyInfo(pParse, pPk); + if( pPk ) sqlite3VdbeAddOp3(v, OP_Null, 0, iPk, iPk+nPk-1); + addrOpen = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, iEph, nEphCol); + if( pPk ){ + KeyInfo *pKeyInfo = sqlite3KeyInfoOfIndex(pParse, pPk); + if( pKeyInfo ){ + pKeyInfo->nAllField = nEphCol; + sqlite3VdbeAppendP4(v, pKeyInfo, P4_KEYINFO); + } + } + if( nChangeFrom ){ + updateFromSelect( + pParse, iEph, pPk, pChanges, pTabList, pWhere, pOrderBy, pLimit + ); +#ifndef SQLITE_OMIT_SUBQUERY + if( isView ) iDataCur = iEph; +#endif + } } } - - if( pUpsert ){ - /* If this is an UPSERT, then all cursors have already been opened by - ** the outer INSERT and the data cursor should be pointing at the row - ** that is to be updated. So bypass the code that searches for the - ** row(s) to be updated. - */ - pWInfo = 0; - eOnePass = ONEPASS_SINGLE; - sqlite3ExprIfFalse(pParse, pWhere, labelBreak, SQLITE_JUMPIFNULL); + + if( nChangeFrom ){ + sqlite3MultiWrite(pParse); + eOnePass = ONEPASS_OFF; + nKey = nPk; + regKey = iPk; }else{ - /* Begin the database scan. - ** - ** Do not consider a single-pass strategy for a multi-row update if - ** there are any triggers or foreign keys to process, or rows may - ** be deleted as a result of REPLACE conflict handling. Any of these - ** things might disturb a cursor being used to scan through the table - ** or index, causing a single-pass approach to malfunction. */ - flags = WHERE_ONEPASS_DESIRED|WHERE_SEEK_UNIQ_TABLE; - if( !pParse->nested && !pTrigger && !hasFK && !chngKey && !bReplace ){ - flags |= WHERE_ONEPASS_MULTIROW; - } - pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, flags, iIdxCur); - if( pWInfo==0 ) goto update_cleanup; - - /* A one-pass strategy that might update more than one row may not - ** be used if any column of the index used for the scan is being - ** updated. Otherwise, if there is an index on "b", statements like - ** the following could create an infinite loop: - ** - ** UPDATE t1 SET b=b+1 WHERE b>? - ** - ** Fall back to ONEPASS_OFF if where.c has selected a ONEPASS_MULTI - ** strategy that uses an index for which one or more columns are being - ** updated. */ - eOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass); - if( eOnePass!=ONEPASS_SINGLE ){ - sqlite3MultiWrite(pParse); - if( eOnePass==ONEPASS_MULTI ){ - int iCur = aiCurOnePass[1]; - if( iCur>=0 && iCur!=iDataCur && aToOpen[iCur-iBaseCur] ){ - eOnePass = ONEPASS_OFF; + if( pUpsert ){ + /* If this is an UPSERT, then all cursors have already been opened by + ** the outer INSERT and the data cursor should be pointing at the row + ** that is to be updated. So bypass the code that searches for the + ** row(s) to be updated. + */ + pWInfo = 0; + eOnePass = ONEPASS_SINGLE; + sqlite3ExprIfFalse(pParse, pWhere, labelBreak, SQLITE_JUMPIFNULL); + bFinishSeek = 0; + }else{ + /* Begin the database scan. + ** + ** Do not consider a single-pass strategy for a multi-row update if + ** there are any triggers or foreign keys to process, or rows may + ** be deleted as a result of REPLACE conflict handling. Any of these + ** things might disturb a cursor being used to scan through the table + ** or index, causing a single-pass approach to malfunction. */ + flags = WHERE_ONEPASS_DESIRED|WHERE_SEEK_UNIQ_TABLE; + if( !pParse->nested && !pTrigger && !hasFK && !chngKey && !bReplace ){ + flags |= WHERE_ONEPASS_MULTIROW; + } + pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, flags,iIdxCur); + if( pWInfo==0 ) goto update_cleanup; + + /* A one-pass strategy that might update more than one row may not + ** be used if any column of the index used for the scan is being + ** updated. Otherwise, if there is an index on "b", statements like + ** the following could create an infinite loop: + ** + ** UPDATE t1 SET b=b+1 WHERE b>? + ** + ** Fall back to ONEPASS_OFF if where.c has selected a ONEPASS_MULTI + ** strategy that uses an index for which one or more columns are being + ** updated. */ + eOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass); + bFinishSeek = sqlite3WhereUsesDeferredSeek(pWInfo); + if( eOnePass!=ONEPASS_SINGLE ){ + sqlite3MultiWrite(pParse); + if( eOnePass==ONEPASS_MULTI ){ + int iCur = aiCurOnePass[1]; + if( iCur>=0 && iCur!=iDataCur && aToOpen[iCur-iBaseCur] ){ + eOnePass = ONEPASS_OFF; + } + assert( iCur!=iDataCur || !HasRowid(pTab) ); } - assert( iCur!=iDataCur || !HasRowid(pTab) ); } } - } - if( HasRowid(pTab) ){ - /* Read the rowid of the current row of the WHERE scan. In ONEPASS_OFF - ** mode, write the rowid into the FIFO. In either of the one-pass modes, - ** leave it in register regOldRowid. */ - sqlite3VdbeAddOp2(v, OP_Rowid, iDataCur, regOldRowid); - if( eOnePass==ONEPASS_OFF ){ - /* We need to use regRowSet, so reallocate aRegIdx[nAllIdx] */ - aRegIdx[nAllIdx] = ++pParse->nMem; - sqlite3VdbeAddOp2(v, OP_RowSetAdd, regRowSet, regOldRowid); - } - }else{ - /* Read the PK of the current row into an array of registers. In - ** ONEPASS_OFF mode, serialize the array into a record and store it in - ** the ephemeral table. Or, in ONEPASS_SINGLE or MULTI mode, change - ** the OP_OpenEphemeral instruction to a Noop (the ephemeral table - ** is not required) and leave the PK fields in the array of registers. */ - for(i=0; i<nPk; i++){ - assert( pPk->aiColumn[i]>=0 ); - sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur,pPk->aiColumn[i],iPk+i); - } - if( eOnePass ){ - if( addrOpen ) sqlite3VdbeChangeToNoop(v, addrOpen); - nKey = nPk; - regKey = iPk; - }else{ - sqlite3VdbeAddOp4(v, OP_MakeRecord, iPk, nPk, regKey, - sqlite3IndexAffinityStr(db, pPk), nPk); - sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iEph, regKey, iPk, nPk); + if( HasRowid(pTab) ){ + /* Read the rowid of the current row of the WHERE scan. In ONEPASS_OFF + ** mode, write the rowid into the FIFO. In either of the one-pass modes, + ** leave it in register regOldRowid. */ + sqlite3VdbeAddOp2(v, OP_Rowid, iDataCur, regOldRowid); + if( eOnePass==ONEPASS_OFF ){ + /* We need to use regRowSet, so reallocate aRegIdx[nAllIdx] */ + aRegIdx[nAllIdx] = ++pParse->nMem; + sqlite3VdbeAddOp2(v, OP_RowSetAdd, regRowSet, regOldRowid); + } + }else{ + /* Read the PK of the current row into an array of registers. In + ** ONEPASS_OFF mode, serialize the array into a record and store it in + ** the ephemeral table. Or, in ONEPASS_SINGLE or MULTI mode, change + ** the OP_OpenEphemeral instruction to a Noop (the ephemeral table + ** is not required) and leave the PK fields in the array of registers. */ + for(i=0; i<nPk; i++){ + assert( pPk->aiColumn[i]>=0 ); + sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, + pPk->aiColumn[i], iPk+i); + } + if( eOnePass ){ + if( addrOpen ) sqlite3VdbeChangeToNoop(v, addrOpen); + nKey = nPk; + regKey = iPk; + }else{ + sqlite3VdbeAddOp4(v, OP_MakeRecord, iPk, nPk, regKey, + sqlite3IndexAffinityStr(db, pPk), nPk); + sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iEph, regKey, iPk, nPk); + } } } if( pUpsert==0 ){ - if( eOnePass!=ONEPASS_MULTI ){ + if( nChangeFrom==0 && eOnePass!=ONEPASS_MULTI ){ sqlite3WhereEnd(pWInfo); } - + if( !isView ){ int addrOnce = 0; - + /* Open every index that needs updating. */ if( eOnePass!=ONEPASS_OFF ){ if( aiCurOnePass[0]>=0 ) aToOpen[aiCurOnePass[0]-iBaseCur] = 0; if( aiCurOnePass[1]>=0 ) aToOpen[aiCurOnePass[1]-iBaseCur] = 0; } - + if( eOnePass==ONEPASS_MULTI && (nIdx-(aiCurOnePass[1]>=0))>0 ){ addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenWrite, 0, iBaseCur, aToOpen, 0, 0); - if( addrOnce ) sqlite3VdbeJumpHere(v, addrOnce); + if( addrOnce ){ + sqlite3VdbeJumpHereOrPopInst(v, addrOnce); + } } - + /* Top of the update loop */ if( eOnePass!=ONEPASS_OFF ){ if( !isView && aiCurOnePass[0]!=iDataCur && aiCurOnePass[1]!=iDataCur ){ @@ -134327,12 +138407,31 @@ SQLITE_PRIVATE void sqlite3Update( sqlite3VdbeAddOp2(v, OP_IsNull, pPk ? regKey : regOldRowid, labelBreak); VdbeCoverageIf(v, pPk==0); VdbeCoverageIf(v, pPk!=0); - }else if( pPk ){ + }else if( pPk || nChangeFrom ){ labelContinue = sqlite3VdbeMakeLabel(pParse); sqlite3VdbeAddOp2(v, OP_Rewind, iEph, labelBreak); VdbeCoverage(v); - addrTop = sqlite3VdbeAddOp2(v, OP_RowData, iEph, regKey); - sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelContinue, regKey, 0); - VdbeCoverage(v); + addrTop = sqlite3VdbeCurrentAddr(v); + if( nChangeFrom ){ + if( !isView ){ + if( pPk ){ + for(i=0; i<nPk; i++){ + sqlite3VdbeAddOp3(v, OP_Column, iEph, i, iPk+i); + } + sqlite3VdbeAddOp4Int( + v, OP_NotFound, iDataCur, labelContinue, iPk, nPk + ); VdbeCoverage(v); + }else{ + sqlite3VdbeAddOp2(v, OP_Rowid, iEph, regOldRowid); + sqlite3VdbeAddOp3( + v, OP_NotExists, iDataCur, labelContinue, regOldRowid + ); VdbeCoverage(v); + } + } + }else{ + sqlite3VdbeAddOp2(v, OP_RowData, iEph, regKey); + sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelContinue, regKey,0); + VdbeCoverage(v); + } }else{ labelContinue = sqlite3VdbeAddOp3(v, OP_RowSetRead, regRowSet,labelBreak, regOldRowid); @@ -134348,7 +138447,12 @@ SQLITE_PRIVATE void sqlite3Update( ** already populated. */ assert( chngKey || pTrigger || hasFK || regOldRowid==regNewRowid ); if( chngRowid ){ - sqlite3ExprCode(pParse, pRowidExpr, regNewRowid); + assert( iRowidExpr>=0 ); + if( nChangeFrom==0 ){ + sqlite3ExprCode(pParse, pRowidExpr, regNewRowid); + }else{ + sqlite3VdbeAddOp3(v, OP_Column, iEph, iRowidExpr, regNewRowid); + } sqlite3VdbeAddOp1(v, OP_MustBeInt, regNewRowid); VdbeCoverage(v); } @@ -134356,18 +138460,20 @@ SQLITE_PRIVATE void sqlite3Update( ** information is needed */ if( chngPk || hasFK || pTrigger ){ u32 oldmask = (hasFK ? sqlite3FkOldmask(pParse, pTab) : 0); - oldmask |= sqlite3TriggerColmask(pParse, + oldmask |= sqlite3TriggerColmask(pParse, pTrigger, pChanges, 0, TRIGGER_BEFORE|TRIGGER_AFTER, pTab, onError ); for(i=0; i<pTab->nCol; i++){ + u32 colFlags = pTab->aCol[i].colFlags; + k = sqlite3TableColumnToStorage(pTab, i) + regOld; if( oldmask==0xffffffff || (i<32 && (oldmask & MASKBIT32(i))!=0) - || (pTab->aCol[i].colFlags & COLFLAG_PRIMKEY)!=0 + || (colFlags & COLFLAG_PRIMKEY)!=0 ){ testcase( oldmask!=0xffffffff && i==31 ); - sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, regOld+i); + sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, k); }else{ - sqlite3VdbeAddOp2(v, OP_Null, 0, regOld+i); + sqlite3VdbeAddOp2(v, OP_Null, 0, k); } } if( chngRowid==0 && pPk==0 ){ @@ -134383,71 +138489,98 @@ SQLITE_PRIVATE void sqlite3Update( ** If there are one or more BEFORE triggers, then do not populate the ** registers associated with columns that are (a) not modified by ** this UPDATE statement and (b) not accessed by new.* references. The - ** values for registers not modified by the UPDATE must be reloaded from - ** the database after the BEFORE triggers are fired anyway (as the trigger + ** values for registers not modified by the UPDATE must be reloaded from + ** the database after the BEFORE triggers are fired anyway (as the trigger ** may have modified them). So not loading those that are not going to ** be used eliminates some redundant opcodes. */ newmask = sqlite3TriggerColmask( pParse, pTrigger, pChanges, 1, TRIGGER_BEFORE, pTab, onError ); - for(i=0; i<pTab->nCol; i++){ + for(i=0, k=regNew; i<pTab->nCol; i++, k++){ if( i==pTab->iPKey ){ - sqlite3VdbeAddOp2(v, OP_Null, 0, regNew+i); + sqlite3VdbeAddOp2(v, OP_Null, 0, k); + }else if( (pTab->aCol[i].colFlags & COLFLAG_GENERATED)!=0 ){ + if( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ) k--; }else{ j = aXRef[i]; if( j>=0 ){ - sqlite3ExprCode(pParse, pChanges->a[j].pExpr, regNew+i); + if( nChangeFrom ){ + int nOff = (isView ? pTab->nCol : nPk); + assert( eOnePass==ONEPASS_OFF ); + sqlite3VdbeAddOp3(v, OP_Column, iEph, nOff+j, k); + }else{ + sqlite3ExprCode(pParse, pChanges->a[j].pExpr, k); + } }else if( 0==(tmask&TRIGGER_BEFORE) || i>31 || (newmask & MASKBIT32(i)) ){ - /* This branch loads the value of a column that will not be changed + /* This branch loads the value of a column that will not be changed ** into a register. This is done if there are no BEFORE triggers, or ** if there are one or more BEFORE triggers that use this value via ** a new.* reference in a trigger program. */ testcase( i==31 ); testcase( i==32 ); - sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, regNew+i); + sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, k); + bFinishSeek = 0; }else{ - sqlite3VdbeAddOp2(v, OP_Null, 0, regNew+i); + sqlite3VdbeAddOp2(v, OP_Null, 0, k); } } } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( pTab->tabFlags & TF_HasGenerated ){ + testcase( pTab->tabFlags & TF_HasVirtual ); + testcase( pTab->tabFlags & TF_HasStored ); + sqlite3ComputeGeneratedColumns(pParse, regNew, pTab); + } +#endif /* Fire any BEFORE UPDATE triggers. This happens before constraints are ** verified. One could argue that this is wrong. */ if( tmask&TRIGGER_BEFORE ){ sqlite3TableAffinity(v, pTab, regNew); - sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, + sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, TRIGGER_BEFORE, pTab, regOldRowid, onError, labelContinue); - /* The row-trigger may have deleted the row being updated. In this - ** case, jump to the next row. No updates or AFTER triggers are - ** required. This behavior - what happens when the row being updated - ** is deleted or renamed by a BEFORE trigger - is left undefined in the - ** documentation. - */ - if( pPk ){ - sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelContinue,regKey,nKey); - VdbeCoverage(v); - }else{ - sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue, regOldRowid); - VdbeCoverage(v); - } + if( !isView ){ + /* The row-trigger may have deleted the row being updated. In this + ** case, jump to the next row. No updates or AFTER triggers are + ** required. This behavior - what happens when the row being updated + ** is deleted or renamed by a BEFORE trigger - is left undefined in the + ** documentation. + */ + if( pPk ){ + sqlite3VdbeAddOp4Int(v, OP_NotFound,iDataCur,labelContinue,regKey,nKey); + VdbeCoverage(v); + }else{ + sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue,regOldRowid); + VdbeCoverage(v); + } - /* After-BEFORE-trigger-reload-loop: - ** If it did not delete it, the BEFORE trigger may still have modified - ** some of the columns of the row being updated. Load the values for - ** all columns not modified by the update statement into their registers - ** in case this has happened. Only unmodified columns are reloaded. - ** The values computed for modified columns use the values before the - ** BEFORE trigger runs. See test case trigger1-18.0 (added 2018-04-26) - ** for an example. - */ - for(i=0; i<pTab->nCol; i++){ - if( aXRef[i]<0 && i!=pTab->iPKey ){ - sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, regNew+i); + /* After-BEFORE-trigger-reload-loop: + ** If it did not delete it, the BEFORE trigger may still have modified + ** some of the columns of the row being updated. Load the values for + ** all columns not modified by the update statement into their registers + ** in case this has happened. Only unmodified columns are reloaded. + ** The values computed for modified columns use the values before the + ** BEFORE trigger runs. See test case trigger1-18.0 (added 2018-04-26) + ** for an example. + */ + for(i=0, k=regNew; i<pTab->nCol; i++, k++){ + if( pTab->aCol[i].colFlags & COLFLAG_GENERATED ){ + if( pTab->aCol[i].colFlags & COLFLAG_VIRTUAL ) k--; + }else if( aXRef[i]<0 && i!=pTab->iPKey ){ + sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, k); + } + } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + if( pTab->tabFlags & TF_HasGenerated ){ + testcase( pTab->tabFlags & TF_HasVirtual ); + testcase( pTab->tabFlags & TF_HasStored ); + sqlite3ComputeGeneratedColumns(pParse, regNew, pTab); } +#endif } } @@ -134478,11 +138611,20 @@ SQLITE_PRIVATE void sqlite3Update( /* Delete the index entries associated with the current record. */ sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur, aRegIdx, -1); + /* We must run the OP_FinishSeek opcode to resolve a prior + ** OP_DeferredSeek if there is any possibility that there have been + ** no OP_Column opcodes since the OP_DeferredSeek was issued. But + ** we want to avoid the OP_FinishSeek if possible, as running it + ** costs CPU cycles. */ + if( bFinishSeek ){ + sqlite3VdbeAddOp1(v, OP_FinishSeek, iDataCur); + } + /* If changing the rowid value, or if there are foreign key constraints ** to process, delete the old record. Otherwise, add a noop OP_Delete ** to invoke the pre-update hook. ** - ** That (regNew==regnewRowid+1) is true is also important for the + ** That (regNew==regnewRowid+1) is true is also important for the ** pre-update hook. If the caller invokes preupdate_new(), the returned ** value is copied from memory cell (regNewRowid+1+iCol), where iCol ** is the column index supplied by the user. @@ -134509,29 +138651,29 @@ SQLITE_PRIVATE void sqlite3Update( if( hasFK ){ sqlite3FkCheck(pParse, pTab, 0, regNewRowid, aXRef, chngKey); } - + /* Insert the new index entries and the new record. */ sqlite3CompleteInsertion( - pParse, pTab, iDataCur, iIdxCur, regNewRowid, aRegIdx, - OPFLAG_ISUPDATE | (eOnePass==ONEPASS_MULTI ? OPFLAG_SAVEPOSITION : 0), + pParse, pTab, iDataCur, iIdxCur, regNewRowid, aRegIdx, + OPFLAG_ISUPDATE | (eOnePass==ONEPASS_MULTI ? OPFLAG_SAVEPOSITION : 0), 0, 0 ); /* Do any ON CASCADE, SET NULL or SET DEFAULT operations required to ** handle rows (possibly in other tables) that refer via a foreign key - ** to the row just updated. */ + ** to the row just updated. */ if( hasFK ){ sqlite3FkActions(pParse, pTab, pChanges, regOldRowid, aXRef, chngKey); } } - /* Increment the row counter + /* Increment the row counter */ if( regRowCount ){ sqlite3VdbeAddOp2(v, OP_AddImm, regRowCount, 1); } - sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, + sqlite3CodeRowTrigger(pParse, pTrigger, TK_UPDATE, pChanges, TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue); /* Repeat the above with the next record to be updated, until @@ -134542,7 +138684,7 @@ SQLITE_PRIVATE void sqlite3Update( }else if( eOnePass==ONEPASS_MULTI ){ sqlite3VdbeResolveLabel(v, labelContinue); sqlite3WhereEnd(pWInfo); - }else if( pPk ){ + }else if( pPk || nChangeFrom ){ sqlite3VdbeResolveLabel(v, labelContinue); sqlite3VdbeAddOp2(v, OP_Next, iEph, addrTop); VdbeCoverage(v); }else{ @@ -134574,7 +138716,7 @@ update_cleanup: sqlite3SrcListDelete(db, pTabList); sqlite3ExprListDelete(db, pChanges); sqlite3ExprDelete(db, pWhere); -#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) +#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) sqlite3ExprListDelete(db, pOrderBy); sqlite3ExprDelete(db, pLimit); #endif @@ -134594,8 +138736,8 @@ update_cleanup: /* ** Generate code for an UPDATE of a virtual table. ** -** There are two possible strategies - the default and the special -** "onepass" strategy. Onepass is only used if the virtual table +** There are two possible strategies - the default and the special +** "onepass" strategy. Onepass is only used if the virtual table ** implementation indicates that pWhere may match at most one row. ** ** The default strategy is to create an ephemeral table that contains @@ -134627,7 +138769,7 @@ static void updateVirtualTable( int i; /* Loop counter */ sqlite3 *db = pParse->db; /* Database connection */ const char *pVTab = (const char*)sqlite3GetVTable(db, pTab); - WhereInfo *pWInfo; + WhereInfo *pWInfo = 0; int nArg = 2 + pTab->nCol; /* Number of arguments to VUpdate */ int regArg; /* First register in VUpdate arg array */ int regRec; /* Register in which to assemble record */ @@ -134645,73 +138787,101 @@ static void updateVirtualTable( addr= sqlite3VdbeAddOp2(v, OP_OpenEphemeral, ephemTab, nArg); regArg = pParse->nMem + 1; pParse->nMem += nArg; - regRec = ++pParse->nMem; - regRowid = ++pParse->nMem; + if( pSrc->nSrc>1 ){ + Expr *pRow; + ExprList *pList; + if( pRowid ){ + pRow = sqlite3ExprDup(db, pRowid, 0); + }else{ + pRow = sqlite3PExpr(pParse, TK_ROW, 0, 0); + } + pList = sqlite3ExprListAppend(pParse, 0, pRow); + + for(i=0; i<pTab->nCol; i++){ + if( aXRef[i]>=0 ){ + pList = sqlite3ExprListAppend(pParse, pList, + sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr, 0) + ); + }else{ + pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i)); + } + } + + updateFromSelect(pParse, ephemTab, 0, pList, pSrc, pWhere, 0, 0); + sqlite3ExprListDelete(db, pList); + eOnePass = ONEPASS_OFF; + }else{ + regRec = ++pParse->nMem; + regRowid = ++pParse->nMem; - /* Start scanning the virtual table */ - pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0,0,WHERE_ONEPASS_DESIRED,0); - if( pWInfo==0 ) return; + /* Start scanning the virtual table */ + pWInfo = sqlite3WhereBegin(pParse, pSrc,pWhere,0,0,WHERE_ONEPASS_DESIRED,0); + if( pWInfo==0 ) return; - /* Populate the argument registers. */ - for(i=0; i<pTab->nCol; i++){ - if( aXRef[i]>=0 ){ - sqlite3ExprCode(pParse, pChanges->a[aXRef[i]].pExpr, regArg+2+i); - }else{ - sqlite3VdbeAddOp3(v, OP_VColumn, iCsr, i, regArg+2+i); - sqlite3VdbeChangeP5(v, OPFLAG_NOCHNG);/* Enable sqlite3_vtab_nochange() */ + /* Populate the argument registers. */ + for(i=0; i<pTab->nCol; i++){ + assert( (pTab->aCol[i].colFlags & COLFLAG_GENERATED)==0 ); + if( aXRef[i]>=0 ){ + sqlite3ExprCode(pParse, pChanges->a[aXRef[i]].pExpr, regArg+2+i); + }else{ + sqlite3VdbeAddOp3(v, OP_VColumn, iCsr, i, regArg+2+i); + sqlite3VdbeChangeP5(v, OPFLAG_NOCHNG);/* For sqlite3_vtab_nochange() */ + } } - } - if( HasRowid(pTab) ){ - sqlite3VdbeAddOp2(v, OP_Rowid, iCsr, regArg); - if( pRowid ){ - sqlite3ExprCode(pParse, pRowid, regArg+1); + if( HasRowid(pTab) ){ + sqlite3VdbeAddOp2(v, OP_Rowid, iCsr, regArg); + if( pRowid ){ + sqlite3ExprCode(pParse, pRowid, regArg+1); + }else{ + sqlite3VdbeAddOp2(v, OP_Rowid, iCsr, regArg+1); + } }else{ - sqlite3VdbeAddOp2(v, OP_Rowid, iCsr, regArg+1); + Index *pPk; /* PRIMARY KEY index */ + i16 iPk; /* PRIMARY KEY column */ + pPk = sqlite3PrimaryKeyIndex(pTab); + assert( pPk!=0 ); + assert( pPk->nKeyCol==1 ); + iPk = pPk->aiColumn[0]; + sqlite3VdbeAddOp3(v, OP_VColumn, iCsr, iPk, regArg); + sqlite3VdbeAddOp2(v, OP_SCopy, regArg+2+iPk, regArg+1); } - }else{ - Index *pPk; /* PRIMARY KEY index */ - i16 iPk; /* PRIMARY KEY column */ - pPk = sqlite3PrimaryKeyIndex(pTab); - assert( pPk!=0 ); - assert( pPk->nKeyCol==1 ); - iPk = pPk->aiColumn[0]; - sqlite3VdbeAddOp3(v, OP_VColumn, iCsr, iPk, regArg); - sqlite3VdbeAddOp2(v, OP_SCopy, regArg+2+iPk, regArg+1); - } - eOnePass = sqlite3WhereOkOnePass(pWInfo, aDummy); + eOnePass = sqlite3WhereOkOnePass(pWInfo, aDummy); - /* There is no ONEPASS_MULTI on virtual tables */ - assert( eOnePass==ONEPASS_OFF || eOnePass==ONEPASS_SINGLE ); + /* There is no ONEPASS_MULTI on virtual tables */ + assert( eOnePass==ONEPASS_OFF || eOnePass==ONEPASS_SINGLE ); - if( eOnePass ){ - /* If using the onepass strategy, no-op out the OP_OpenEphemeral coded - ** above. */ - sqlite3VdbeChangeToNoop(v, addr); - sqlite3VdbeAddOp1(v, OP_Close, iCsr); - }else{ - /* Create a record from the argument register contents and insert it into - ** the ephemeral table. */ - sqlite3MultiWrite(pParse); - sqlite3VdbeAddOp3(v, OP_MakeRecord, regArg, nArg, regRec); -#ifdef SQLITE_DEBUG - /* Signal an assert() within OP_MakeRecord that it is allowed to - ** accept no-change records with serial_type 10 */ - sqlite3VdbeChangeP5(v, OPFLAG_NOCHNG_MAGIC); + if( eOnePass ){ + /* If using the onepass strategy, no-op out the OP_OpenEphemeral coded + ** above. */ + sqlite3VdbeChangeToNoop(v, addr); + sqlite3VdbeAddOp1(v, OP_Close, iCsr); + }else{ + /* Create a record from the argument register contents and insert it into + ** the ephemeral table. */ + sqlite3MultiWrite(pParse); + sqlite3VdbeAddOp3(v, OP_MakeRecord, regArg, nArg, regRec); +#if defined(SQLITE_DEBUG) && !defined(SQLITE_ENABLE_NULL_TRIM) + /* Signal an assert() within OP_MakeRecord that it is allowed to + ** accept no-change records with serial_type 10 */ + sqlite3VdbeChangeP5(v, OPFLAG_NOCHNG_MAGIC); #endif - sqlite3VdbeAddOp2(v, OP_NewRowid, ephemTab, regRowid); - sqlite3VdbeAddOp3(v, OP_Insert, ephemTab, regRec, regRowid); + sqlite3VdbeAddOp2(v, OP_NewRowid, ephemTab, regRowid); + sqlite3VdbeAddOp3(v, OP_Insert, ephemTab, regRec, regRowid); + } } if( eOnePass==ONEPASS_OFF ){ /* End the virtual table scan */ - sqlite3WhereEnd(pWInfo); + if( pSrc->nSrc==1 ){ + sqlite3WhereEnd(pWInfo); + } /* Begin scannning through the ephemeral table. */ addr = sqlite3VdbeAddOp1(v, OP_Rewind, ephemTab); VdbeCoverage(v); - /* Extract arguments from the current row of the ephemeral table and + /* Extract arguments from the current row of the ephemeral table and ** invoke the VUpdate method. */ for(i=0; i<nArg; i++){ sqlite3VdbeAddOp3(v, OP_Column, ephemTab, i, regArg+i); @@ -134845,11 +139015,11 @@ SQLITE_PRIVATE int sqlite3UpsertAnalyzeTarget( rc = sqlite3ResolveExprNames(&sNC, pUpsert->pUpsertTargetWhere); if( rc ) return rc; - /* Check to see if the conflict target matches the rowid. */ + /* Check to see if the conflict target matches the rowid. */ pTab = pTabList->a[0].pTab; pTarget = pUpsert->pUpsertTarget; iCursor = pTabList->a[0].iCursor; - if( HasRowid(pTab) + if( HasRowid(pTab) && pTarget->nExpr==1 && (pTerm = pTarget->a[0].pExpr)->op==TK_COLUMN && pTerm->iColumn==XN_ROWID @@ -134964,7 +139134,7 @@ SQLITE_PRIVATE void sqlite3UpsertDoUpdate( for(i=0; i<nPk; i++){ int k; assert( pPk->aiColumn[i]>=0 ); - k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[i]); + k = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[i]); sqlite3VdbeAddOp3(v, OP_Column, iCur, k, iPk+i); VdbeComment((v, "%s.%s", pIdx->zName, pTab->aCol[pPk->aiColumn[i]].zName)); @@ -134972,8 +139142,9 @@ SQLITE_PRIVATE void sqlite3UpsertDoUpdate( sqlite3VdbeVerifyAbortable(v, OE_Abort); i = sqlite3VdbeAddOp4Int(v, OP_Found, iDataCur, 0, iPk, nPk); VdbeCoverage(v); - sqlite3VdbeAddOp4(v, OP_Halt, SQLITE_CORRUPT, OE_Abort, 0, + sqlite3VdbeAddOp4(v, OP_Halt, SQLITE_CORRUPT, OE_Abort, 0, "corrupt database", P4_STATIC); + sqlite3MayAbort(pParse); sqlite3VdbeJumpHere(v, i); } } @@ -135040,7 +139211,7 @@ static int execSql(sqlite3 *db, char **pzErrMsg, const char *zSql){ assert( sqlite3_strnicmp(zSql,"SELECT",6)==0 ); /* The secondary SQL must be one of CREATE TABLE, CREATE INDEX, ** or INSERT. Historically there have been attacks that first - ** corrupt the sqlite_master.sql field with other kinds of statements + ** corrupt the sqlite_schema.sql field with other kinds of statements ** then run VACUUM to get those statements to execute at inappropriate ** times. */ if( zSubSql @@ -135182,7 +139353,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( zOut = ""; } - /* Save the current value of the database flags so that it can be + /* Save the current value of the database flags so that it can be ** restored before returning. Then set the writable-schema flag, and ** disable CHECK and foreign key constraints. */ saved_flags = db->flags; @@ -135232,18 +139403,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( } db->mDbFlags |= DBFLAG_VacuumInto; } - nRes = sqlite3BtreeGetOptimalReserve(pMain); - - /* A VACUUM cannot change the pagesize of an encrypted database. */ -#ifdef SQLITE_HAS_CODEC - if( db->nextPagesize ){ - extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*); - int nKey; - char *zKey; - sqlite3CodecGetKey(db, iDb, (void**)&zKey, &nKey); - if( nKey ) db->nextPagesize = 0; - } -#endif + nRes = sqlite3BtreeGetRequestedReserve(pMain); sqlite3BtreeSetCacheSize(pTemp, db->aDb[iDb].pSchema->cache_size); sqlite3BtreeSetSpillSize(pTemp, sqlite3BtreeSetSpillSize(pMain,0)); @@ -135282,14 +139442,14 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( */ db->init.iDb = nDb; /* force new CREATE statements into vacuum_db */ rc = execSqlF(db, pzErrMsg, - "SELECT sql FROM \"%w\".sqlite_master" + "SELECT sql FROM \"%w\".sqlite_schema" " WHERE type='table'AND name<>'sqlite_sequence'" " AND coalesce(rootpage,1)>0", zDbMain ); if( rc!=SQLITE_OK ) goto end_of_vacuum; rc = execSqlF(db, pzErrMsg, - "SELECT sql FROM \"%w\".sqlite_master" + "SELECT sql FROM \"%w\".sqlite_schema" " WHERE type='index'", zDbMain ); @@ -135303,7 +139463,7 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( rc = execSqlF(db, pzErrMsg, "SELECT'INSERT INTO vacuum_db.'||quote(name)" "||' SELECT*FROM\"%w\".'||quote(name)" - "FROM vacuum_db.sqlite_master " + "FROM vacuum_db.sqlite_schema " "WHERE type='table'AND coalesce(rootpage,1)>0", zDbMain ); @@ -135314,18 +139474,18 @@ SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3RunVacuum( /* Copy the triggers, views, and virtual tables from the main database ** over to the temporary database. None of these objects has any ** associated storage, so all we have to do is copy their entries - ** from the SQLITE_MASTER table. + ** from the schema table. */ rc = execSqlF(db, pzErrMsg, - "INSERT INTO vacuum_db.sqlite_master" - " SELECT*FROM \"%w\".sqlite_master" + "INSERT INTO vacuum_db.sqlite_schema" + " SELECT*FROM \"%w\".sqlite_schema" " WHERE type IN('view','trigger')" " OR(type='table'AND rootpage=0)", zDbMain ); if( rc ) goto end_of_vacuum; - /* At this point, there is a write transaction open on both the + /* At this point, there is a write transaction open on both the ** vacuum database and the main database. Assuming no error occurs, ** both transactions are closed by this block - the main database ** transaction by sqlite3BtreeCopyFile() and the other by an explicit @@ -135387,7 +139547,7 @@ end_of_vacuum: db->nChange = saved_nChange; db->nTotalChange = saved_nTotalChange; db->mTrace = saved_mTrace; - sqlite3BtreeSetPageSize(pMain, -1, -1, 1); + sqlite3BtreeSetPageSize(pMain, -1, 0, 1); /* Currently there is an SQL level transaction open on the vacuum ** database. No locks are held on any other files (since the main file @@ -135405,7 +139565,7 @@ end_of_vacuum: } /* This both clears the schemas and reduces the size of the db->aDb[] - ** array. */ + ** array. */ sqlite3ResetAllSchemasOfConnection(db); return rc; @@ -135434,7 +139594,7 @@ end_of_vacuum: /* ** Before a virtual table xCreate() or xConnect() method is invoked, the ** sqlite3.pVtabCtx member variable is set to point to an instance of -** this struct allocated on the stack. It is used by the implementation of +** this struct allocated on the stack. It is used by the implementation of ** the sqlite3_declare_vtab() and sqlite3_vtab_config() APIs, both of which ** are invoked only from within xCreate and xConnect methods. */ @@ -135591,7 +139751,7 @@ SQLITE_PRIVATE void sqlite3VtabModuleUnref(sqlite3 *db, Module *pMod){ /* ** Lock the virtual table so that it cannot be disconnected. ** Locks nest. Every lock should have a corresponding unlock. -** If an unlock is omitted, resources leaks will occur. +** If an unlock is omitted, resources leaks will occur. ** ** If a disconnect is attempted while a virtual table is locked, ** the disconnect is deferred until all locks have been removed. @@ -135603,7 +139763,7 @@ SQLITE_PRIVATE void sqlite3VtabLock(VTable *pVTab){ /* ** pTab is a pointer to a Table structure representing a virtual-table. -** Return a pointer to the VTable object used by connection db to access +** Return a pointer to the VTable object used by connection db to access ** this virtual-table, if one has been created, or NULL otherwise. */ SQLITE_PRIVATE VTable *sqlite3GetVTable(sqlite3 *db, Table *pTab){ @@ -135638,7 +139798,7 @@ SQLITE_PRIVATE void sqlite3VtabUnlock(VTable *pVTab){ /* ** Table p is a virtual table. This function moves all elements in the ** p->pVTable list to the sqlite3.pDisconnect lists of their associated -** database connections to be disconnected at the next opportunity. +** database connections to be disconnected at the next opportunity. ** Except, if argument db is not NULL, then the entry associated with ** connection db is left in the p->pVTable list. */ @@ -135647,8 +139807,8 @@ static VTable *vtabDisconnectAll(sqlite3 *db, Table *p){ VTable *pVTable = p->pVTable; p->pVTable = 0; - /* Assert that the mutex (if any) associated with the BtShared database - ** that contains table p is held by the caller. See header comments + /* Assert that the mutex (if any) associated with the BtShared database + ** that contains table p is held by the caller. See header comments ** above function sqlite3VtabUnlockList() for an explanation of why ** this makes it safe to access the sqlite3.pDisconnect list of any ** database connection that may have an entry in the p->pVTable list. @@ -135704,7 +139864,7 @@ SQLITE_PRIVATE void sqlite3VtabDisconnect(sqlite3 *db, Table *p){ ** Disconnect all the virtual table objects in the sqlite3.pDisconnect list. ** ** This function may only be called when the mutexes associated with all -** shared b-tree databases opened using connection db are held by the +** shared b-tree databases opened using connection db are held by the ** caller. This is done to protect the sqlite3.pDisconnect list. The ** sqlite3.pDisconnect list is accessed only as follows: ** @@ -135717,17 +139877,17 @@ SQLITE_PRIVATE void sqlite3VtabDisconnect(sqlite3 *db, Table *p){ ** or, if the virtual table is stored in a non-sharable database, then ** the database handle mutex is held. ** -** As a result, a sqlite3.pDisconnect cannot be accessed simultaneously +** As a result, a sqlite3.pDisconnect cannot be accessed simultaneously ** by multiple threads. It is thread-safe. */ SQLITE_PRIVATE void sqlite3VtabUnlockList(sqlite3 *db){ VTable *p = db->pDisconnect; - db->pDisconnect = 0; assert( sqlite3BtreeHoldsAllMutexes(db) ); assert( sqlite3_mutex_held(db->mutex) ); if( p ){ + db->pDisconnect = 0; sqlite3ExpirePreparedStatements(db, 0); do { VTable *pNext = p->pNext; @@ -135743,12 +139903,12 @@ SQLITE_PRIVATE void sqlite3VtabUnlockList(sqlite3 *db){ ** record. ** ** Since it is a virtual-table, the Table structure contains a pointer -** to the head of a linked list of VTable structures. Each VTable +** to the head of a linked list of VTable structures. Each VTable ** structure is associated with a single sqlite3* user of the schema. -** The reference count of the VTable structure associated with database -** connection db is decremented immediately (which may lead to the +** The reference count of the VTable structure associated with database +** connection db is decremented immediately (which may lead to the ** structure being xDisconnected and free). Any other VTable structures -** in the list are moved to the sqlite3.pDisconnect list of the associated +** in the list are moved to the sqlite3.pDisconnect list of the associated ** database connection. */ SQLITE_PRIVATE void sqlite3VtabClear(sqlite3 *db, Table *p){ @@ -135822,13 +139982,13 @@ SQLITE_PRIVATE void sqlite3VtabBeginParse( #ifndef SQLITE_OMIT_AUTHORIZATION /* Creating a virtual table invokes the authorization callback twice. ** The first invocation, to obtain permission to INSERT a row into the - ** sqlite_master table, has already been made by sqlite3StartTable(). + ** sqlite_schema table, has already been made by sqlite3StartTable(). ** The second call, to obtain permission to create the table, is made now. */ if( pTable->azModuleArg ){ int iDb = sqlite3SchemaToIndex(db, pTable->pSchema); assert( iDb>=0 ); /* The database the table is being created in */ - sqlite3AuthCheck(pParse, SQLITE_CREATE_VTABLE, pTable->zName, + sqlite3AuthCheck(pParse, SQLITE_CREATE_VTABLE, pTable->zName, pTable->azModuleArg[0], pParse->db->aDb[iDb].zDbSName); } #endif @@ -135860,12 +140020,12 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ addArgumentToVtab(pParse); pParse->sArg.z = 0; if( pTab->nModuleArg<1 ) return; - + /* If the CREATE VIRTUAL TABLE statement is being entered for the ** first time (in other words if the virtual table is actually being - ** created now instead of just being read out of sqlite_master) then + ** created now instead of just being read out of sqlite_schema) then ** do additional initialization work and store the statement text - ** in the sqlite_master table. + ** in the sqlite_schema table. */ if( !db->init.busy ){ char *zStmt; @@ -135874,45 +140034,47 @@ SQLITE_PRIVATE void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){ int iReg; Vdbe *v; + sqlite3MayAbort(pParse); + /* Compute the complete text of the CREATE VIRTUAL TABLE statement */ if( pEnd ){ pParse->sNameToken.n = (int)(pEnd->z - pParse->sNameToken.z) + pEnd->n; } zStmt = sqlite3MPrintf(db, "CREATE VIRTUAL TABLE %T", &pParse->sNameToken); - /* A slot for the record has already been allocated in the - ** SQLITE_MASTER table. We just need to update that slot with all - ** the information we've collected. + /* A slot for the record has already been allocated in the + ** schema table. We just need to update that slot with all + ** the information we've collected. ** ** The VM register number pParse->regRowid holds the rowid of an - ** entry in the sqlite_master table tht was created for this vtab + ** entry in the sqlite_schema table tht was created for this vtab ** by sqlite3StartTable(). */ iDb = sqlite3SchemaToIndex(db, pTab->pSchema); sqlite3NestedParse(pParse, - "UPDATE %Q.%s " + "UPDATE %Q." DFLT_SCHEMA_TABLE " " "SET type='table', name=%Q, tbl_name=%Q, rootpage=0, sql=%Q " "WHERE rowid=#%d", - db->aDb[iDb].zDbSName, MASTER_NAME, + db->aDb[iDb].zDbSName, pTab->zName, pTab->zName, zStmt, pParse->regRowid ); - sqlite3DbFree(db, zStmt); v = sqlite3GetVdbe(pParse); sqlite3ChangeCookie(pParse, iDb); sqlite3VdbeAddOp0(v, OP_Expire); - zWhere = sqlite3MPrintf(db, "name='%q' AND type='table'", pTab->zName); + zWhere = sqlite3MPrintf(db, "name=%Q AND sql=%Q", pTab->zName, zStmt); sqlite3VdbeAddParseSchemaOp(v, iDb, zWhere); + sqlite3DbFree(db, zStmt); iReg = ++pParse->nMem; sqlite3VdbeLoadString(v, iReg, pTab->zName); sqlite3VdbeAddOp2(v, OP_VCreate, iDb, iReg); } - /* If we are rereading the sqlite_master table create the in-memory + /* If we are rereading the sqlite_schema table create the in-memory ** record of the table. The xConnect() method is not called until ** the first time the virtual table is used in an SQL statement. This ** allows a schema that contains virtual tables to be loaded before @@ -135963,7 +140125,7 @@ SQLITE_PRIVATE void sqlite3VtabArgExtend(Parse *pParse, Token *p){ ** to this procedure. */ static int vtabCallConstructor( - sqlite3 *db, + sqlite3 *db, Table *pTab, Module *pMod, int (*xConstruct)(sqlite3*,void*,int,const char*const*,sqlite3_vtab**,char**), @@ -135982,7 +140144,7 @@ static int vtabCallConstructor( /* Check that the virtual-table is not already being initialized */ for(pCtx=db->pVtabCtx; pCtx; pCtx=pCtx->pPrior){ if( pCtx->pTab==pTab ){ - *pzErr = sqlite3MPrintf(db, + *pzErr = sqlite3MPrintf(db, "vtable constructor called recursively: %s", pTab->zName ); return SQLITE_LOCKED; @@ -136002,6 +140164,7 @@ static int vtabCallConstructor( } pVTable->db = db; pVTable->pMod = pMod; + pVTable->eVtabRisk = SQLITE_VTABRISK_Normal; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); pTab->azModuleArg[1] = db->aDb[iDb].zDbSName; @@ -136041,9 +140204,9 @@ static int vtabCallConstructor( rc = SQLITE_ERROR; }else{ int iCol; - u8 oooHidden = 0; + u16 oooHidden = 0; /* If everything went according to plan, link the new VTable structure - ** into the linked list headed by pTab->pVTable. Then loop through the + ** into the linked list headed by pTab->pVTable. Then loop through the ** columns of the table to see if any of them contain the token "hidden". ** If so, set the Column COLFLAG_HIDDEN flag and remove the token from ** the type string. */ @@ -136088,7 +140251,7 @@ static int vtabCallConstructor( /* ** This function is invoked by the parser to call the xConnect() method -** of the virtual table pTab. If an error occurs, an error code is returned +** of the virtual table pTab. If an error occurs, an error code is returned ** and an error left in pParse. ** ** This call is a no-op if table pTab is not a virtual table. @@ -136159,7 +140322,7 @@ static void addToVTrans(sqlite3 *db, VTable *pVTab){ /* ** This function is invoked by the vdbe to call the xCreate method -** of the virtual table named zTab in database iDb. +** of the virtual table named zTab in database iDb. ** ** If an error occurs, *pzErr is set to point to an English language ** description of the error and an SQLITE_XXX error code is returned. @@ -136178,8 +140341,8 @@ SQLITE_PRIVATE int sqlite3VtabCallCreate(sqlite3 *db, int iDb, const char *zTab, zMod = pTab->azModuleArg[0]; pMod = (Module*)sqlite3HashFind(&db->aModule, zMod); - /* If the module has been registered and includes a Create method, - ** invoke it now. If the module has not been registered, return an + /* If the module has been registered and includes a Create method, + ** invoke it now. If the module has not been registered, return an ** error. Otherwise, do nothing. */ if( pMod==0 || pMod->pModule->xCreate==0 || pMod->pModule->xDestroy==0 ){ @@ -136232,7 +140395,7 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){ sParse.eParseMode = PARSE_MODE_DECLARE_VTAB; sParse.db = db; sParse.nQueryLoop = 1; - if( SQLITE_OK==sqlite3RunParser(&sParse, zCreateTable, &zErr) + if( SQLITE_OK==sqlite3RunParser(&sParse, zCreateTable, &zErr) && sParse.pNewTable && !db->mallocFailed && !sParse.pNewTable->pSelect @@ -136307,7 +140470,8 @@ SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3 *db, int iDb, const char *zTab } p = vtabDisconnectAll(db, pTab); xDestroy = p->pMod->pModule->xDestroy; - assert( xDestroy!=0 ); /* Checked before the virtual table is created */ + if( xDestroy==0 ) xDestroy = p->pMod->pModule->xDisconnect; + assert( xDestroy!=0 ); pTab->nTabRef++; rc = xDestroy(p->pVtab); /* Remove the sqlite3_vtab* from the aVTrans[] array, if applicable */ @@ -136329,7 +140493,7 @@ SQLITE_PRIVATE int sqlite3VtabCallDestroy(sqlite3 *db, int iDb, const char *zTab ** called is identified by the second argument, "offset", which is ** the offset of the method to call in the sqlite3_module structure. ** -** The array is cleared after invoking the callbacks. +** The array is cleared after invoking the callbacks. */ static void callFinaliser(sqlite3 *db, int offset){ int i; @@ -136378,7 +140542,7 @@ SQLITE_PRIVATE int sqlite3VtabSync(sqlite3 *db, Vdbe *p){ } /* -** Invoke the xRollback method of all virtual tables in the +** Invoke the xRollback method of all virtual tables in the ** sqlite3.aVTrans array. Then clear the array itself. */ SQLITE_PRIVATE int sqlite3VtabRollback(sqlite3 *db){ @@ -136387,7 +140551,7 @@ SQLITE_PRIVATE int sqlite3VtabRollback(sqlite3 *db){ } /* -** Invoke the xCommit method of all virtual tables in the +** Invoke the xCommit method of all virtual tables in the ** sqlite3.aVTrans array. Then clear the array itself. */ SQLITE_PRIVATE int sqlite3VtabCommit(sqlite3 *db){ @@ -136409,7 +140573,7 @@ SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, VTable *pVTab){ /* Special case: If db->aVTrans is NULL and db->nVTrans is greater ** than zero, then this function is being called from within a - ** virtual module xSync() callback. It is illegal to write to + ** virtual module xSync() callback. It is illegal to write to ** virtual module tables in this case, so return SQLITE_LOCKED. */ if( sqlite3VtabInSync(db) ){ @@ -136417,7 +140581,7 @@ SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, VTable *pVTab){ } if( !pVTab ){ return SQLITE_OK; - } + } pModule = pVTab->pVtab->pModule; if( pModule->xBegin ){ @@ -136430,7 +140594,7 @@ SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, VTable *pVTab){ } } - /* Invoke the xBegin method. If successful, add the vtab to the + /* Invoke the xBegin method. If successful, add the vtab to the ** sqlite3.aVTrans[] array. */ rc = growVTrans(db); if( rc==SQLITE_OK ){ @@ -136454,11 +140618,11 @@ SQLITE_PRIVATE int sqlite3VtabBegin(sqlite3 *db, VTable *pVTab){ ** as the second argument to the virtual table method invoked. ** ** If op is SAVEPOINT_BEGIN, the xSavepoint method is invoked. If it is -** SAVEPOINT_ROLLBACK, the xRollbackTo method. Otherwise, if op is +** SAVEPOINT_ROLLBACK, the xRollbackTo method. Otherwise, if op is ** SAVEPOINT_RELEASE, then the xRelease method of each virtual table with ** an open transaction is invoked. ** -** If any virtual table method returns an error code other than SQLITE_OK, +** If any virtual table method returns an error code other than SQLITE_OK, ** processing is abandoned and the error returned to the caller of this ** function immediately. If all calls to virtual table methods are successful, ** SQLITE_OK is returned. @@ -136507,7 +140671,7 @@ SQLITE_PRIVATE int sqlite3VtabSavepoint(sqlite3 *db, int op, int iSavepoint){ ** This routine is used to allow virtual table implementations to ** overload MATCH, LIKE, GLOB, and REGEXP operators. ** -** Return either the pDef argument (indicating no change) or a +** Return either the pDef argument (indicating no change) or a ** new FuncDef structure that is marked as ephemeral using the ** SQLITE_FUNC_EPHEM flag. */ @@ -136536,7 +140700,7 @@ SQLITE_PRIVATE FuncDef *sqlite3VtabOverloadFunction( assert( pVtab->pModule!=0 ); pMod = (sqlite3_module *)pVtab->pModule; if( pMod->xFindFunction==0 ) return pDef; - + /* Call the xFindFunction method on the virtual table implementation ** to see if the implementation wants to overload this function. ** @@ -136590,7 +140754,7 @@ SQLITE_PRIVATE void sqlite3VtabMakeWritable(Parse *pParse, Table *pTab){ if( pTab==pToplevel->apVtabLock[i] ) return; } n = (pToplevel->nVtabLock+1)*sizeof(pToplevel->apVtabLock[0]); - apVtabLock = sqlite3_realloc64(pToplevel->apVtabLock, n); + apVtabLock = sqlite3Realloc(pToplevel->apVtabLock, n); if( apVtabLock ){ pToplevel->apVtabLock = apVtabLock; pToplevel->apVtabLock[pToplevel->nVtabLock++] = pTab; @@ -136654,7 +140818,7 @@ SQLITE_PRIVATE void sqlite3VtabEponymousTableClear(sqlite3 *db, Module *pMod){ Table *pTab = pMod->pEpoTab; if( pTab!=0 ){ /* Mark the table as Ephemeral prior to deleting it, so that the - ** sqlite3DeleteTable() routine will know that it is not stored in + ** sqlite3DeleteTable() routine will know that it is not stored in ** the schema. */ pTab->tabFlags |= TF_Ephemeral; sqlite3DeleteTable(db, pTab); @@ -136670,8 +140834,8 @@ SQLITE_PRIVATE void sqlite3VtabEponymousTableClear(sqlite3 *db, Module *pMod){ ** within an xUpdate method. */ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *db){ - static const unsigned char aMap[] = { - SQLITE_ROLLBACK, SQLITE_ABORT, SQLITE_FAIL, SQLITE_IGNORE, SQLITE_REPLACE + static const unsigned char aMap[] = { + SQLITE_ROLLBACK, SQLITE_ABORT, SQLITE_FAIL, SQLITE_IGNORE, SQLITE_REPLACE }; #ifdef SQLITE_ENABLE_API_ARMOR if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT; @@ -136683,35 +140847,45 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *db){ } /* -** Call from within the xCreate() or xConnect() methods to provide +** Call from within the xCreate() or xConnect() methods to provide ** the SQLite core with additional information about the behavior ** of the virtual table being implemented. */ SQLITE_API int sqlite3_vtab_config(sqlite3 *db, int op, ...){ va_list ap; int rc = SQLITE_OK; + VtabCtx *p; #ifdef SQLITE_ENABLE_API_ARMOR if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT; #endif sqlite3_mutex_enter(db->mutex); - va_start(ap, op); - switch( op ){ - case SQLITE_VTAB_CONSTRAINT_SUPPORT: { - VtabCtx *p = db->pVtabCtx; - if( !p ){ - rc = SQLITE_MISUSE_BKPT; - }else{ - assert( p->pTab==0 || IsVirtual(p->pTab) ); + p = db->pVtabCtx; + if( !p ){ + rc = SQLITE_MISUSE_BKPT; + }else{ + assert( p->pTab==0 || IsVirtual(p->pTab) ); + va_start(ap, op); + switch( op ){ + case SQLITE_VTAB_CONSTRAINT_SUPPORT: { p->pVTable->bConstraint = (u8)va_arg(ap, int); + break; + } + case SQLITE_VTAB_INNOCUOUS: { + p->pVTable->eVtabRisk = SQLITE_VTABRISK_Low; + break; + } + case SQLITE_VTAB_DIRECTONLY: { + p->pVTable->eVtabRisk = SQLITE_VTABRISK_High; + break; + } + default: { + rc = SQLITE_MISUSE_BKPT; + break; } - break; } - default: - rc = SQLITE_MISUSE_BKPT; - break; + va_end(ap); } - va_end(ap); if( rc!=SQLITE_OK ) sqlite3Error(db, rc); sqlite3_mutex_leave(db->mutex); @@ -136900,7 +141074,7 @@ struct WhereLoop { /* This object holds the prerequisites and the cost of running a ** subquery on one operand of an OR operator in the WHERE clause. -** See WhereOrSet for additional information +** See WhereOrSet for additional information */ struct WhereOrCost { Bitmask prereq; /* Prerequisites */ @@ -136952,7 +141126,7 @@ struct WherePath { ** clause subexpression is separated from the others by AND operators, ** usually, or sometimes subexpressions separated by OR. ** -** All WhereTerms are collected into a single WhereClause structure. +** All WhereTerms are collected into a single WhereClause structure. ** The following identity holds: ** ** WhereTerm.pWC->a[WhereTerm.idx] == WhereTerm @@ -137020,24 +141194,29 @@ struct WhereTerm { /* ** Allowed values of WhereTerm.wtFlags */ -#define TERM_DYNAMIC 0x01 /* Need to call sqlite3ExprDelete(db, pExpr) */ -#define TERM_VIRTUAL 0x02 /* Added by the optimizer. Do not code */ -#define TERM_CODED 0x04 /* This term is already coded */ -#define TERM_COPIED 0x08 /* Has a child */ -#define TERM_ORINFO 0x10 /* Need to free the WhereTerm.u.pOrInfo object */ -#define TERM_ANDINFO 0x20 /* Need to free the WhereTerm.u.pAndInfo obj */ -#define TERM_OR_OK 0x40 /* Used during OR-clause processing */ +#define TERM_DYNAMIC 0x0001 /* Need to call sqlite3ExprDelete(db, pExpr) */ +#define TERM_VIRTUAL 0x0002 /* Added by the optimizer. Do not code */ +#define TERM_CODED 0x0004 /* This term is already coded */ +#define TERM_COPIED 0x0008 /* Has a child */ +#define TERM_ORINFO 0x0010 /* Need to free the WhereTerm.u.pOrInfo object */ +#define TERM_ANDINFO 0x0020 /* Need to free the WhereTerm.u.pAndInfo obj */ +#define TERM_OR_OK 0x0040 /* Used during OR-clause processing */ #ifdef SQLITE_ENABLE_STAT4 -# define TERM_VNULL 0x80 /* Manufactured x>NULL or x<=NULL term */ +# define TERM_VNULL 0x0080 /* Manufactured x>NULL or x<=NULL term */ #else -# define TERM_VNULL 0x00 /* Disabled if not using stat4 */ +# define TERM_VNULL 0x0000 /* Disabled if not using stat4 */ #endif -#define TERM_LIKEOPT 0x100 /* Virtual terms from the LIKE optimization */ -#define TERM_LIKECOND 0x200 /* Conditionally this LIKE operator term */ -#define TERM_LIKE 0x400 /* The original LIKE operator */ -#define TERM_IS 0x800 /* Term.pExpr is an IS operator */ +#define TERM_LIKEOPT 0x0100 /* Virtual terms from the LIKE optimization */ +#define TERM_LIKECOND 0x0200 /* Conditionally this LIKE operator term */ +#define TERM_LIKE 0x0400 /* The original LIKE operator */ +#define TERM_IS 0x0800 /* Term.pExpr is an IS operator */ #define TERM_VARSELECT 0x1000 /* Term.pExpr contains a correlated sub-query */ -#define TERM_NOPARTIDX 0x2000 /* Not for use to enable a partial index */ +#define TERM_HEURTRUTH 0x2000 /* Heuristic truthProb used */ +#ifdef SQLITE_ENABLE_STAT4 +# define TERM_HIGHTRUTH 0x4000 /* Term excludes few rows */ +#else +# define TERM_HIGHTRUTH 0 /* Only used with STAT4 */ +#endif /* ** An instance of the WhereScan object is used as an iterator for locating @@ -137105,8 +141284,8 @@ struct WhereAndInfo { ** An instance of the following structure keeps track of a mapping ** between VDBE cursor numbers and bits of the bitmasks in WhereTerm. ** -** The VDBE cursor numbers are small integers contained in -** SrcList_item.iCursor and Expr.iTable fields. For any given WHERE +** The VDBE cursor numbers are small integers contained in +** SrcList_item.iCursor and Expr.iTable fields. For any given WHERE ** clause, the cursor numbers might not begin with 0 and they might ** contain gaps in the numbering sequence. But we want to make maximum ** use of the bits in our bitmasks. This structure provides a mapping @@ -137152,13 +141331,16 @@ struct WhereLoopBuilder { UnpackedRecord *pRec; /* Probe for stat4 (if required) */ int nRecValid; /* Number of valid fields currently in pRec */ #endif - unsigned int bldFlags; /* SQLITE_BLDF_* flags */ + unsigned char bldFlags1; /* First set of SQLITE_BLDF_* flags */ + unsigned char bldFlags2; /* Second set of SQLITE_BLDF_* flags */ unsigned int iPlanLimit; /* Search limiter */ }; /* Allowed values for WhereLoopBuider.bldFlags */ -#define SQLITE_BLDF_INDEXED 0x0001 /* An index is used */ -#define SQLITE_BLDF_UNIQUE 0x0002 /* All keys of a UNIQUE index used */ +#define SQLITE_BLDF1_INDEXED 0x0001 /* An index is used */ +#define SQLITE_BLDF1_UNIQUE 0x0002 /* All keys of a UNIQUE index used */ + +#define SQLITE_BLDF2_2NDPASS 0x0004 /* Second builder pass needed */ /* The WhereLoopBuilder.iPlanLimit is used to limit the number of ** index+constraint combinations the query planner will consider for a @@ -137181,6 +141363,20 @@ struct WhereLoopBuilder { #endif /* +** Each instance of this object records a change to a single node +** in an expression tree to cause that node to point to a column +** of an index rather than an expression or a virtual column. All +** such transformations need to be undone at the end of WHERE clause +** processing. +*/ +typedef struct WhereExprMod WhereExprMod; +struct WhereExprMod { + WhereExprMod *pNext; /* Next translation on a list of them all */ + Expr *pExpr; /* The Expr node that was transformed */ + Expr orig; /* Original value of the Expr node */ +}; + +/* ** The WHERE clause processing routine has two halves. The ** first part does the start of the WHERE loop and the second ** half does the tail of the WHERE loop. An instance of @@ -137196,23 +141392,25 @@ struct WhereInfo { ExprList *pOrderBy; /* The ORDER BY clause or NULL */ ExprList *pResultSet; /* Result set of the query */ Expr *pWhere; /* The complete WHERE clause */ - LogEst iLimit; /* LIMIT if wctrlFlags has WHERE_USE_LIMIT */ int aiCurOnePass[2]; /* OP_OpenWrite cursors for the ONEPASS opt */ int iContinue; /* Jump here to continue with next record */ int iBreak; /* Jump here to break out of the loop */ int savedNQueryLoop; /* pParse->nQueryLoop outside the WHERE loop */ u16 wctrlFlags; /* Flags originally passed to sqlite3WhereBegin() */ + LogEst iLimit; /* LIMIT if wctrlFlags has WHERE_USE_LIMIT */ u8 nLevel; /* Number of nested loop */ i8 nOBSat; /* Number of ORDER BY terms satisfied by indices */ - u8 sorted; /* True if really sorted (not just grouped) */ u8 eOnePass; /* ONEPASS_OFF, or _SINGLE, or _MULTI */ - u8 untestedTerms; /* Not all WHERE terms resolved by outer loop */ u8 eDistinct; /* One of the WHERE_DISTINCT_* values */ - u8 bOrderedInnerLoop; /* True if only the inner-most loop is ordered */ + unsigned bDeferredSeek :1; /* Uses OP_DeferredSeek */ + unsigned untestedTerms :1; /* Not all WHERE terms resolved by outer loop */ + unsigned bOrderedInnerLoop:1;/* True if only the inner-most loop is ordered */ + unsigned sorted :1; /* True if really sorted (not just grouped) */ + LogEst nRowOut; /* Estimated number of output rows */ int iTop; /* The very beginning of the WHERE loop */ WhereLoop *pLoops; /* List of all WhereLoop objects */ + WhereExprMod *pExprMods; /* Expression modifications */ Bitmask revMask; /* Mask of ORDER BY terms that need reversing */ - LogEst nRowOut; /* Estimated number of output rows */ WhereClause sWC; /* Decomposition of the WHERE clause */ WhereMaskSet sMaskSet; /* Map cursor numbers to bitmasks */ WhereLevel a[1]; /* Information about each nest loop in WHERE */ @@ -137226,6 +141424,8 @@ struct WhereInfo { SQLITE_PRIVATE Bitmask sqlite3WhereGetMask(WhereMaskSet*,int); #ifdef WHERETRACE_ENABLED SQLITE_PRIVATE void sqlite3WhereClausePrint(WhereClause *pWC); +SQLITE_PRIVATE void sqlite3WhereTermPrint(WhereTerm *pTerm, int iTerm); +SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC); #endif SQLITE_PRIVATE WhereTerm *sqlite3WhereFindTerm( WhereClause *pWC, /* The WHERE clause to be searched */ @@ -137393,7 +141593,7 @@ static void explainAppendTerm( } /* -** Argument pLevel describes a strategy for scanning table pTab. This +** Argument pLevel describes a strategy for scanning table pTab. This ** function appends text to pStr that describes the subset of table ** rows scanned by the strategy in the form of an SQL expression. ** @@ -137434,7 +141634,7 @@ static void explainIndexRange(StrAccum *pStr, WhereLoop *pLoop){ /* ** This function is a no-op unless currently processing an EXPLAIN QUERY PLAN ** command, or if either SQLITE_DEBUG or SQLITE_ENABLE_STMT_SCANSTATUS was -** defined at compile-time. If it is not a no-op, a single OP_Explain opcode +** defined at compile-time. If it is not a no-op, a single OP_Explain opcode ** is added to the output to describe the table scan strategy in pLevel. ** ** If an OP_Explain opcode is added to the VM, its address is returned. @@ -137517,7 +141717,7 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( assert( flags&WHERE_TOP_LIMIT); zRangeOp = "<"; } - sqlite3_str_appendf(&str, + sqlite3_str_appendf(&str, " USING INTEGER PRIMARY KEY (rowid%s?)",zRangeOp); } #ifndef SQLITE_OMIT_VIRTUALTABLE @@ -137546,11 +141746,11 @@ SQLITE_PRIVATE int sqlite3WhereExplainOneScan( #ifdef SQLITE_ENABLE_STMT_SCANSTATUS /* ** Configure the VM passed as the first argument with an -** sqlite3_stmt_scanstatus() entry corresponding to the scan used to -** implement level pLvl. Argument pSrclist is a pointer to the FROM +** sqlite3_stmt_scanstatus() entry corresponding to the scan used to +** implement level pLvl. Argument pSrclist is a pointer to the FROM ** clause that the scan reads data from. ** -** If argument addrExplain is not 0, it must be the address of an +** If argument addrExplain is not 0, it must be the address of an ** OP_Explain instruction that describes the same loop. */ SQLITE_PRIVATE void sqlite3WhereAddScanStatus( @@ -137606,7 +141806,7 @@ SQLITE_PRIVATE void sqlite3WhereAddScanStatus( ** ** Only the parent term was in the original WHERE clause. The child1 ** and child2 terms were added by the LIKE optimization. If both of -** the virtual child terms are valid, then testing of the parent can be +** the virtual child terms are valid, then testing of the parent can be ** skipped. ** ** Usually the parent term is marked as TERM_CODED. But if the parent @@ -137638,7 +141838,7 @@ static void disableTerm(WhereLevel *pLevel, WhereTerm *pTerm){ /* ** Code an OP_Affinity opcode to apply the column affinity string zAff -** to the n registers starting at base. +** to the n registers starting at base. ** ** As an optimization, SQLITE_AFF_BLOB and SQLITE_AFF_NONE entries (which ** are no-ops) at the beginning and end of zAff are ignored. If all entries @@ -137675,7 +141875,7 @@ static void codeApplyAffinity(Parse *pParse, int base, int n, char *zAff){ } /* -** Expression pRight, which is the RHS of a comparison operation, is +** Expression pRight, which is the RHS of a comparison operation, is ** either a vector of n elements or, if n==1, a scalar expression. ** Before the comparison operation, affinity zAff is to be applied ** to the pRight values. This function modifies characters within the @@ -137737,7 +141937,8 @@ static Expr *removeUnindexableInClauseTerms( Expr *pX /* The IN expression to be reduced */ ){ sqlite3 *db = pParse->db; - Expr *pNew = sqlite3ExprDup(db, pX, 0); + Expr *pNew; + pNew = sqlite3ExprDup(db, pX, 0); if( db->mallocFailed==0 ){ ExprList *pOrigRhs = pNew->x.pSelect->pEList; /* Original unmodified RHS */ ExprList *pOrigLhs = pNew->pLeft->x.pList; /* Original unmodified LHS */ @@ -137772,12 +141973,12 @@ static Expr *removeUnindexableInClauseTerms( } pSelect = pNew->x.pSelect; if( pSelect->pOrderBy ){ - /* If the SELECT statement has an ORDER BY clause, zero the - ** iOrderByCol variables. These are set to non-zero when an - ** ORDER BY term exactly matches one of the terms of the + /* If the SELECT statement has an ORDER BY clause, zero the + ** iOrderByCol variables. These are set to non-zero when an + ** ORDER BY term exactly matches one of the terms of the ** result-set. Since the result-set of the SELECT statement may - ** have been modified or reordered, these variables are no longer - ** set correctly. Since setting them is just an optimization, + ** have been modified or reordered, these variables are no longer + ** set correctly. Since setting them is just an optimization, ** it's easiest just to zero them here. */ ExprList *pOrderBy = pSelect->pOrderBy; for(i=0; i<pOrderBy->nExpr; i++){ @@ -137798,7 +141999,7 @@ static Expr *removeUnindexableInClauseTerms( /* ** Generate code for a single equality term of the WHERE clause. An equality -** term can be either X=expr or X IN (...). pTerm is the term to be +** term can be either X=expr or X IN (...). pTerm is the term to be ** coded. ** ** The current value for the constraint is left in a register, the index @@ -137914,7 +142115,7 @@ static int codeEqualityTerm( if( i==iEq ){ pIn->iCur = iTab; pIn->eEndLoopOp = bRev ? OP_Prev : OP_Next; - if( iEq>0 && (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 ){ + if( iEq>0 ){ pIn->iBase = iReg - i; pIn->nPrefix = i; pLoop->wsFlags |= WHERE_IN_EARLYOUT; @@ -137944,7 +142145,7 @@ static int codeEqualityTerm( ** For example, consider table t1(a,b,c,d,e,f) with index i1(a,b,c). ** Suppose the WHERE clause is this: a==5 AND b IN (1,2,3) AND c>5 AND c<10 ** The index has as many as three equality constraints, but in this -** example, the third "c" value is an inequality. So only two +** example, the third "c" value is an inequality. So only two ** constraints are coded. This routine will generate code to evaluate ** a==5 and b IN (1,2,3). The current values for a and b will be stored ** in consecutive registers and the index of the first register is returned. @@ -138034,7 +142235,7 @@ static int codeAllEqualityTerms( testcase( pIdx->aiColumn[j]==XN_EXPR ); VdbeComment((v, "%s", explainIndexColumnName(pIdx, j))); } - } + } /* Evaluate the equality constraints */ @@ -138043,7 +142244,7 @@ static int codeAllEqualityTerms( int r1; pTerm = pLoop->aLTerm[j]; assert( pTerm!=0 ); - /* The following testcase is true for indices with redundant columns. + /* The following testcase is true for indices with redundant columns. ** Ex: CREATE INDEX i1 ON t1(a,b,a); SELECT * FROM t1 WHERE a=0 AND b=0; */ testcase( (pTerm->wtFlags & TERM_CODED)!=0 ); testcase( pTerm->wtFlags & TERM_VIRTUAL ); @@ -138059,8 +142260,8 @@ static int codeAllEqualityTerms( if( pTerm->eOperator & WO_IN ){ if( pTerm->pExpr->flags & EP_xIsSelect ){ /* No affinity ever needs to be (or should be) applied to a value - ** from the RHS of an "? IN (SELECT ...)" expression. The - ** sqlite3FindInIndex() routine has already ensured that the + ** from the RHS of an "? IN (SELECT ...)" expression. The + ** sqlite3FindInIndex() routine has already ensured that the ** affinity of the comparison has been applied to the value. */ if( zAff ) zAff[j] = SQLITE_AFF_BLOB; } @@ -138087,7 +142288,7 @@ static int codeAllEqualityTerms( #ifndef SQLITE_LIKE_DOESNT_MATCH_BLOBS /* ** If the most recently coded instruction is a constant range constraint -** (a string literal) that originated from the LIKE optimization, then +** (a string literal) that originated from the LIKE optimization, then ** set P3 and P5 on the OP_String opcode so that the string will be cast ** to a BLOB at appropriate times. ** @@ -138112,7 +142313,7 @@ static void whereLikeOptimizationStringFixup( assert( pLevel->iLikeRepCntr>0 ); pOp = sqlite3VdbeGetOp(v, -1); assert( pOp!=0 ); - assert( pOp->opcode==OP_String8 + assert( pOp->opcode==OP_String8 || pTerm->pWC->pWInfo->pParse->db->mallocFailed ); pOp->p3 = (int)(pLevel->iLikeRepCntr>>1); /* Register holding counter */ pOp->p5 = (u8)(pLevel->iLikeRepCntr&1); /* ASC or DESC */ @@ -138145,7 +142346,7 @@ static int codeCursorHintCheckExpr(Walker *pWalker, Expr *pExpr){ assert( pHint->pIdx!=0 ); if( pExpr->op==TK_COLUMN && pExpr->iTable==pHint->iTabCur - && sqlite3ColumnOfIndex(pHint->pIdx, pExpr->iColumn)<0 + && sqlite3TableColumnToIndex(pHint->pIdx, pExpr->iColumn)<0 ){ pWalker->eCode = 1; } @@ -138155,7 +142356,7 @@ static int codeCursorHintCheckExpr(Walker *pWalker, Expr *pExpr){ /* ** Test whether or not expression pExpr, which was part of a WHERE clause, ** should be included in the cursor-hint for a table that is on the rhs -** of a LEFT JOIN. Set Walker.eCode to non-zero before returning if the +** of a LEFT JOIN. Set Walker.eCode to non-zero before returning if the ** expression is not suitable. ** ** An expression is unsuitable if it might evaluate to non NULL even if @@ -138168,9 +142369,9 @@ static int codeCursorHintCheckExpr(Walker *pWalker, Expr *pExpr){ ** CASE WHEN col THEN 0 ELSE 1 END */ static int codeCursorHintIsOrFunction(Walker *pWalker, Expr *pExpr){ - if( pExpr->op==TK_IS - || pExpr->op==TK_ISNULL || pExpr->op==TK_ISNOT - || pExpr->op==TK_NOTNULL || pExpr->op==TK_CASE + if( pExpr->op==TK_IS + || pExpr->op==TK_ISNULL || pExpr->op==TK_ISNOT + || pExpr->op==TK_NOTNULL || pExpr->op==TK_CASE ){ pWalker->eCode = 1; }else if( pExpr->op==TK_FUNCTION ){ @@ -138191,10 +142392,10 @@ static int codeCursorHintIsOrFunction(Walker *pWalker, Expr *pExpr){ ** that accesses any table other than the one identified by ** CCurHint.iTabCur, then do the following: ** -** 1) allocate a register and code an OP_Column instruction to read +** 1) allocate a register and code an OP_Column instruction to read ** the specified column into the new register, and ** -** 2) transform the expression node to a TK_REGISTER node that reads +** 2) transform the expression node to a TK_REGISTER node that reads ** from the newly populated register. ** ** Also, if the node is a TK_COLUMN that does access the table idenified @@ -138213,7 +142414,7 @@ static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){ pExpr->iTable = reg; }else if( pHint->pIdx!=0 ){ pExpr->iTable = pHint->iIdxCur; - pExpr->iColumn = sqlite3ColumnOfIndex(pHint->pIdx, pExpr->iColumn); + pExpr->iColumn = sqlite3TableColumnToIndex(pHint->pIdx, pExpr->iColumn); assert( pExpr->iColumn>=0 ); } }else if( pExpr->op==TK_AGG_FUNCTION ){ @@ -138222,7 +142423,7 @@ static int codeCursorHintFixExpr(Walker *pWalker, Expr *pExpr){ ** the parent context. Do not walk the function arguments in this case. ** ** todo: It should be possible to replace this node with a TK_REGISTER - ** expression, as the result of the expression must be stored in a + ** expression, as the result of the expression must be stored in a ** register at this point. The same holds for TK_AGG_COLUMN nodes. */ rc = WRC_Prune; } @@ -138265,18 +142466,18 @@ static void codeCursorHint( if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue; if( pTerm->prereqAll & pLevel->notReady ) continue; - /* Any terms specified as part of the ON(...) clause for any LEFT + /* Any terms specified as part of the ON(...) clause for any LEFT ** JOIN for which the current table is not the rhs are omitted - ** from the cursor-hint. + ** from the cursor-hint. ** - ** If this table is the rhs of a LEFT JOIN, "IS" or "IS NULL" terms + ** If this table is the rhs of a LEFT JOIN, "IS" or "IS NULL" terms ** that were specified as part of the WHERE clause must be excluded. ** This is to address the following: ** ** SELECT ... t1 LEFT JOIN t2 ON (t1.a=t2.b) WHERE t2.c IS NULL; ** ** Say there is a single row in t2 that matches (t1.a=t2.b), but its - ** t2.c values is not NULL. If the (t2.c IS NULL) constraint is + ** t2.c values is not NULL. If the (t2.c IS NULL) constraint is ** pushed down to the cursor, this row is filtered out, causing ** SQLite to synthesize a row of NULL values. Which does match the ** WHERE clause, and so the query returns a row. Which is incorrect. @@ -138289,7 +142490,7 @@ static void codeCursorHint( */ if( pTabItem->fg.jointype & JT_LEFT ){ Expr *pExpr = pTerm->pExpr; - if( !ExprHasProperty(pExpr, EP_FromJoin) + if( !ExprHasProperty(pExpr, EP_FromJoin) || pExpr->iRightJoinTable!=pTabItem->iCursor ){ sWalker.eCode = 0; @@ -138327,7 +142528,7 @@ static void codeCursorHint( if( pExpr!=0 ){ sWalker.xExprCallback = codeCursorHintFixExpr; sqlite3WalkExpr(&sWalker, pExpr); - sqlite3VdbeAddOp4(v, OP_CursorHint, + sqlite3VdbeAddOp4(v, OP_CursorHint, (sHint.pIdx ? sHint.iIdxCur : sHint.iTabCur), 0, 0, (const char*)pExpr, P4_EXPR); } @@ -138339,7 +142540,7 @@ static void codeCursorHint( /* ** Cursor iCur is open on an intkey b-tree (a table). Register iRowid contains ** a rowid value just read from cursor iIdxCur, open on index pIdx. This -** function generates code to do a deferred seek of cursor iCur to the +** function generates code to do a deferred seek of cursor iCur to the ** rowid stored in register iRowid. ** ** Normally, this is just: @@ -138349,8 +142550,8 @@ static void codeCursorHint( ** However, if the scan currently being coded is a branch of an OR-loop and ** the statement currently being coded is a SELECT, then P3 of OP_DeferredSeek ** is set to iIdxCur and P4 is set to point to an array of integers -** containing one entry for each column of the table cursor iCur is open -** on. For each table column, if the column is the i'th column of the +** containing one entry for each column of the table cursor iCur is open +** on. For each table column, if the column is the i'th column of the ** index, then the corresponding array entry is set to (i+1). If the column ** does not appear in the index at all, the array entry is set to 0. */ @@ -138365,19 +142566,24 @@ static void codeDeferredSeek( assert( iIdxCur>0 ); assert( pIdx->aiColumn[pIdx->nColumn-1]==-1 ); - + + pWInfo->bDeferredSeek = 1; sqlite3VdbeAddOp3(v, OP_DeferredSeek, iIdxCur, 0, iCur); if( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE) && DbMaskAllZero(sqlite3ParseToplevel(pParse)->writeMask) ){ int i; Table *pTab = pIdx->pTable; - int *ai = (int*)sqlite3DbMallocZero(pParse->db, sizeof(int)*(pTab->nCol+1)); + u32 *ai = (u32*)sqlite3DbMallocZero(pParse->db, sizeof(u32)*(pTab->nCol+1)); if( ai ){ ai[0] = pTab->nCol; for(i=0; i<pIdx->nColumn-1; i++){ + int x1, x2; assert( pIdx->aiColumn[i]<pTab->nCol ); - if( pIdx->aiColumn[i]>=0 ) ai[pIdx->aiColumn[i]+1] = i+1; + x1 = pIdx->aiColumn[i]; + x2 = sqlite3TableColumnToStorage(pTab, x1); + testcase( x1!=x2 ); + if( x1>=0 ) ai[x2+1] = i+1; } sqlite3VdbeChangeP4(v, -1, (char*)ai, P4_INTARRAY); } @@ -138428,8 +142634,24 @@ typedef struct IdxExprTrans { int iTabCur; /* The cursor of the corresponding table */ int iIdxCur; /* The cursor for the index */ int iIdxCol; /* The column for the index */ + int iTabCol; /* The column for the table */ + WhereInfo *pWInfo; /* Complete WHERE clause information */ + sqlite3 *db; /* Database connection (for malloc()) */ } IdxExprTrans; +/* +** Preserve pExpr on the WhereETrans list of the WhereInfo. +*/ +static void preserveExpr(IdxExprTrans *pTrans, Expr *pExpr){ + WhereExprMod *pNew; + pNew = sqlite3DbMallocRaw(pTrans->db, sizeof(*pNew)); + if( pNew==0 ) return; + pNew->pNext = pTrans->pWInfo->pExprMods; + pTrans->pWInfo->pExprMods = pNew; + pNew->pExpr = pExpr; + memcpy(&pNew->orig, pExpr, sizeof(*pExpr)); +} + /* The walker node callback used to transform matching expressions into ** a reference to an index column for an index on an expression. ** @@ -138439,21 +142661,49 @@ typedef struct IdxExprTrans { static int whereIndexExprTransNode(Walker *p, Expr *pExpr){ IdxExprTrans *pX = p->u.pIdxTrans; if( sqlite3ExprCompare(0, pExpr, pX->pIdxExpr, pX->iTabCur)==0 ){ + preserveExpr(pX, pExpr); pExpr->affExpr = sqlite3ExprAffinity(pExpr); pExpr->op = TK_COLUMN; pExpr->iTable = pX->iIdxCur; pExpr->iColumn = pX->iIdxCol; pExpr->y.pTab = 0; + testcase( ExprHasProperty(pExpr, EP_Skip) ); + testcase( ExprHasProperty(pExpr, EP_Unlikely) ); + ExprClearProperty(pExpr, EP_Skip|EP_Unlikely); return WRC_Prune; }else{ return WRC_Continue; } } +#ifndef SQLITE_OMIT_GENERATED_COLUMNS +/* A walker node callback that translates a column reference to a table +** into a corresponding column reference of an index. +*/ +static int whereIndexExprTransColumn(Walker *p, Expr *pExpr){ + if( pExpr->op==TK_COLUMN ){ + IdxExprTrans *pX = p->u.pIdxTrans; + if( pExpr->iTable==pX->iTabCur && pExpr->iColumn==pX->iTabCol ){ + assert( pExpr->y.pTab!=0 ); + preserveExpr(pX, pExpr); + pExpr->affExpr = sqlite3TableColumnAffinity(pExpr->y.pTab,pExpr->iColumn); + pExpr->iTable = pX->iIdxCur; + pExpr->iColumn = pX->iIdxCol; + pExpr->y.pTab = 0; + } + } + return WRC_Continue; +} +#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ + /* ** For an indexes on expression X, locate every instance of expression X ** in pExpr and change that subexpression into a reference to the appropriate ** column of the index. +** +** 2019-10-24: Updated to also translate references to a VIRTUAL column in +** the table into references to the corresponding (stored) column of the +** index. */ static void whereIndexExprTrans( Index *pIdx, /* The Index */ @@ -138463,20 +142713,48 @@ static void whereIndexExprTrans( ){ int iIdxCol; /* Column number of the index */ ExprList *aColExpr; /* Expressions that are indexed */ + Table *pTab; Walker w; IdxExprTrans x; aColExpr = pIdx->aColExpr; - if( aColExpr==0 ) return; /* Not an index on expressions */ + if( aColExpr==0 && !pIdx->bHasVCol ){ + /* The index does not reference any expressions or virtual columns + ** so no translations are needed. */ + return; + } + pTab = pIdx->pTable; memset(&w, 0, sizeof(w)); - w.xExprCallback = whereIndexExprTransNode; w.u.pIdxTrans = &x; x.iTabCur = iTabCur; x.iIdxCur = iIdxCur; - for(iIdxCol=0; iIdxCol<aColExpr->nExpr; iIdxCol++){ - if( pIdx->aiColumn[iIdxCol]!=XN_EXPR ) continue; - assert( aColExpr->a[iIdxCol].pExpr!=0 ); + x.pWInfo = pWInfo; + x.db = pWInfo->pParse->db; + for(iIdxCol=0; iIdxCol<pIdx->nColumn; iIdxCol++){ + i16 iRef = pIdx->aiColumn[iIdxCol]; + if( iRef==XN_EXPR ){ + assert( aColExpr->a[iIdxCol].pExpr!=0 ); + x.pIdxExpr = aColExpr->a[iIdxCol].pExpr; + if( sqlite3ExprIsConstant(x.pIdxExpr) ) continue; + w.xExprCallback = whereIndexExprTransNode; +#ifndef SQLITE_OMIT_GENERATED_COLUMNS + }else if( iRef>=0 + && (pTab->aCol[iRef].colFlags & COLFLAG_VIRTUAL)!=0 + && (pTab->aCol[iRef].zColl==0 + || sqlite3StrICmp(pTab->aCol[iRef].zColl, sqlite3StrBINARY)==0) + ){ + /* Check to see if there are direct references to generated columns + ** that are contained in the index. Pulling the generated column + ** out of the index is an optimization only - the main table is always + ** available if the index cannot be used. To avoid unnecessary + ** complication, omit this optimization if the collating sequence for + ** the column is non-standard */ + x.iTabCol = iRef; + w.xExprCallback = whereIndexExprTransColumn; +#endif /* SQLITE_OMIT_GENERATED_COLUMNS */ + }else{ + continue; + } x.iIdxCol = iIdxCol; - x.pIdxExpr = aColExpr->a[iIdxCol].pExpr; sqlite3WalkExpr(&w, pWInfo->pWhere); sqlite3WalkExprList(&w, pWInfo->pOrderBy); sqlite3WalkExprList(&w, pWInfo->pResultSet); @@ -138548,6 +142826,21 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur); bRev = (pWInfo->revMask>>iLevel)&1; VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName)); +#if WHERETRACE_ENABLED /* 0x20800 */ + if( sqlite3WhereTrace & 0x800 ){ + sqlite3DebugPrintf("Coding level %d of %d: notReady=%llx iFrom=%d\n", + iLevel, pWInfo->nLevel, (u64)notReady, pLevel->iFrom); + sqlite3WhereLoopPrint(pLoop, pWC); + } + if( sqlite3WhereTrace & 0x20000 ){ + if( iLevel==0 ){ + sqlite3DebugPrintf("WHERE clause being coded:\n"); + sqlite3TreeViewExpr(0, pWInfo->pWhere, 0); + } + sqlite3DebugPrintf("All WHERE-clause terms before coding:\n"); + sqlite3WhereClausePrint(pWC); + } +#endif /* Create labels for the "break" and "continue" instructions ** for the current loop. Jump to addrBrk to break out of a loop. @@ -138627,9 +142920,12 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( iIn = pLevel->u.in.nIn; for(j=nConstraint-1; j>=0; j--){ pTerm = pLoop->aLTerm[j]; + if( (pTerm->eOperator & WO_IN)!=0 ) iIn--; if( j<16 && (pLoop->u.vtab.omitMask>>j)&1 ){ disableTerm(pLevel, pTerm); - }else if( (pTerm->eOperator & WO_IN)!=0 ){ + }else if( (pTerm->eOperator & WO_IN)!=0 + && sqlite3ExprVectorSize(pTerm->pExpr->pLeft)==1 + ){ Expr *pCompare; /* The comparison operator */ Expr *pRight; /* RHS of the comparison */ VdbeOp *pOp; /* Opcode to access the value of the IN constraint */ @@ -138640,8 +142936,8 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** encoding of the value in the register, so it *must* be reloaded. */ assert( pLevel->u.in.aInLoop!=0 || db->mallocFailed ); if( !db->mallocFailed ){ - assert( iIn>0 ); - pOp = sqlite3VdbeGetOp(v, pLevel->u.in.aInLoop[--iIn].addrInTop); + assert( iIn>=0 && iIn<pLevel->u.in.nIn ); + pOp = sqlite3VdbeGetOp(v, pLevel->u.in.aInLoop[iIn].addrInTop); assert( pOp->opcode==OP_Column || pOp->opcode==OP_Rowid ); assert( pOp->opcode!=OP_Column || pOp->p3==iReg+j+2 ); assert( pOp->opcode!=OP_Rowid || pOp->p2==iReg+j+2 ); @@ -138649,7 +142945,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( sqlite3VdbeAddOp3(v, pOp->opcode, pOp->p1, pOp->p2, pOp->p3); } - /* Generate code that will continue to the next row if + /* Generate code that will continue to the next row if ** the IN constraint is not satisfied */ pCompare = sqlite3PExpr(pParse, TK_EQ, 0, 0); assert( pCompare!=0 || db->mallocFailed ); @@ -138658,13 +142954,16 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pCompare->pRight = pRight = sqlite3Expr(db, TK_REGISTER, 0); if( pRight ){ pRight->iTable = iReg+j+2; - sqlite3ExprIfFalse(pParse, pCompare, pLevel->addrCont, 0); + sqlite3ExprIfFalse( + pParse, pCompare, pLevel->addrCont, SQLITE_JUMPIFNULL + ); } pCompare->pLeft = 0; sqlite3ExprDelete(db, pCompare); } } } + assert( iIn==0 || db->mallocFailed ); /* These registers need to be preserved in case there is an IN operator ** loop. So we could deallocate the registers here (and potentially ** reuse them later) if (pLoop->wsFlags & WHERE_IN_ABLE)==0. But it seems @@ -138724,7 +143023,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( int r1, rTemp; /* Registers for holding the start boundary */ int op; /* Cursor seek operation */ - /* The following constant maps TK_xx codes into corresponding + /* The following constant maps TK_xx codes into corresponding ** seek opcodes. It depends on a particular ordering of TK_xx */ const u8 aMoveOp[] = { @@ -138780,8 +143079,8 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( testcase( pEnd->wtFlags & TERM_VIRTUAL ); memEndValue = ++pParse->nMem; codeExprOrVector(pParse, pX->pRight, memEndValue, 1); - if( 0==sqlite3ExprIsVector(pX->pRight) - && (pX->op==TK_LT || pX->op==TK_GT) + if( 0==sqlite3ExprIsVector(pX->pRight) + && (pX->op==TK_LT || pX->op==TK_GT) ){ testOp = bRev ? OP_Le : OP_Ge; }else{ @@ -138809,14 +143108,14 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( }else if( pLoop->wsFlags & WHERE_INDEXED ){ /* Case 4: A scan using an index. ** - ** The WHERE clause may contain zero or more equality + ** The WHERE clause may contain zero or more equality ** terms ("==" or "IN" operators) that refer to the N ** left-most columns of the index. It may also contain ** inequality constraints (>, <, >= or <=) on the indexed - ** column that immediately follows the N equalities. Only + ** column that immediately follows the N equalities. Only ** the right-most column can be an inequality - the rest must - ** use the "==" and "IN" operators. For example, if the - ** index is on (x,y,z), then the following clauses are all + ** use the "==" and "IN" operators. For example, if the + ** index is on (x,y,z), then the following clauses are all ** optimized: ** ** x=5 @@ -138837,7 +143136,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** This case is also used when there are no WHERE clause ** constraints but an index is selected anyway, in order ** to force the output order to conform to an ORDER BY. - */ + */ static const u8 aStartOp[] = { 0, 0, @@ -138878,15 +143177,15 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( iIdxCur = pLevel->iIdxCur; assert( nEq>=pLoop->nSkip ); - /* Find any inequality constraint terms for the start and end - ** of the range. + /* Find any inequality constraint terms for the start and end + ** of the range. */ j = nEq; if( pLoop->wsFlags & WHERE_BTM_LIMIT ){ pRangeStart = pLoop->aLTerm[j++]; nExtraReg = MAX(nExtraReg, pLoop->u.btree.nBtm); /* Like optimization range constraints always occur in pairs */ - assert( (pRangeStart->wtFlags & TERM_LIKEOPT)==0 || + assert( (pRangeStart->wtFlags & TERM_LIKEOPT)==0 || (pLoop->wsFlags & WHERE_TOP_LIMIT)!=0 ); } if( pLoop->wsFlags & WHERE_TOP_LIMIT ){ @@ -138919,7 +143218,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( assert( pRangeEnd==0 || (pRangeEnd->wtFlags & TERM_VNULL)==0 ); /* If the WHERE_BIGNULL_SORT flag is set, then index column nEq uses - ** a non-default "big-null" sort (either ASC NULLS LAST or DESC NULLS + ** a non-default "big-null" sort (either ASC NULLS LAST or DESC NULLS ** FIRST). In both cases separate ordered scans are made of those ** index entries for which the column is null and for those for which ** it is not. For an ASC sort, the non-NULL entries are scanned first. @@ -138930,15 +143229,18 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ){ assert( bSeekPastNull==0 && nExtraReg==0 && nBtm==0 && nTop==0 ); assert( pRangeEnd==0 && pRangeStart==0 ); - assert( pLoop->nSkip==0 ); + testcase( pLoop->nSkip>0 ); nExtraReg = 1; bSeekPastNull = 1; pLevel->regBignull = regBignull = ++pParse->nMem; + if( pLevel->iLeftJoin ){ + sqlite3VdbeAddOp2(v, OP_Integer, 0, regBignull); + } pLevel->addrBignull = sqlite3VdbeMakeLabel(pParse); } /* If we are doing a reverse order scan on an ascending index, or - ** a forward order scan on a descending index, interchange the + ** a forward order scan on a descending index, interchange the ** start and end terms (pRangeStart and pRangeEnd). */ if( (nEq<pIdx->nKeyCol && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC)) @@ -138983,7 +143285,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } if( zStartAff ){ updateRangeAffinityStr(pRight, nBtm, &zStartAff[nEq]); - } + } nConstraint += nBtm; testcase( pRangeStart->wtFlags & TERM_VIRTUAL ); if( sqlite3ExprIsVector(pRight)==0 ){ @@ -139034,7 +143336,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( assert( bStopAtNull==startEq ); sqlite3VdbeAddOp2(v, OP_Goto, 0, sqlite3VdbeCurrentAddr(v)+2); op = aStartOp[(nConstraint>1)*4 + 2 + bRev]; - sqlite3VdbeAddOp4Int(v, op, iIdxCur, addrNxt, regBase, + sqlite3VdbeAddOp4Int(v, op, iIdxCur, addrNxt, regBase, nConstraint-startEq); VdbeCoverage(v); VdbeCoverageIf(v, op==OP_Rewind); testcase( op==OP_Rewind ); @@ -139124,15 +143426,15 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } /* Seek the table cursor, if required */ - omitTable = (pLoop->wsFlags & WHERE_IDX_ONLY)!=0 + omitTable = (pLoop->wsFlags & WHERE_IDX_ONLY)!=0 && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0; if( omitTable ){ /* pIdx is a covering index. No need to access the main table. */ }else if( HasRowid(pIdx->pTable) ){ - if( (pWInfo->wctrlFlags & WHERE_SEEK_TABLE) || ( - (pWInfo->wctrlFlags & WHERE_SEEK_UNIQ_TABLE) - && (pWInfo->eOnePass==ONEPASS_SINGLE) - )){ + if( (pWInfo->wctrlFlags & WHERE_SEEK_TABLE) + || ( (pWInfo->wctrlFlags & WHERE_SEEK_UNIQ_TABLE)!=0 + && (pWInfo->eOnePass==ONEPASS_SINGLE || pLoop->nLTerm==0) ) + ){ iRowidReg = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, iRowidReg); sqlite3VdbeAddOp3(v, OP_NotExists, iCur, 0, iRowidReg); @@ -139144,38 +143446,51 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable); iRowidReg = sqlite3GetTempRange(pParse, pPk->nKeyCol); for(j=0; j<pPk->nKeyCol; j++){ - k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[j]); + k = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[j]); sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, k, iRowidReg+j); } sqlite3VdbeAddOp4Int(v, OP_NotFound, iCur, addrCont, iRowidReg, pPk->nKeyCol); VdbeCoverage(v); } - /* If pIdx is an index on one or more expressions, then look through - ** all the expressions in pWInfo and try to transform matching expressions - ** into reference to index columns. - ** - ** Do not do this for the RHS of a LEFT JOIN. This is because the - ** expression may be evaluated after OP_NullRow has been executed on - ** the cursor. In this case it is important to do the full evaluation, - ** as the result of the expression may not be NULL, even if all table - ** column values are. https://www.sqlite.org/src/info/7fa8049685b50b5a - ** - ** Also, do not do this when processing one index an a multi-index - ** OR clause, since the transformation will become invalid once we - ** move forward to the next index. - ** https://sqlite.org/src/info/4e8e4857d32d401f - */ - if( pLevel->iLeftJoin==0 && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ){ - whereIndexExprTrans(pIdx, iCur, iIdxCur, pWInfo); - } + if( pLevel->iLeftJoin==0 ){ + /* If pIdx is an index on one or more expressions, then look through + ** all the expressions in pWInfo and try to transform matching expressions + ** into reference to index columns. Also attempt to translate references + ** to virtual columns in the table into references to (stored) columns + ** of the index. + ** + ** Do not do this for the RHS of a LEFT JOIN. This is because the + ** expression may be evaluated after OP_NullRow has been executed on + ** the cursor. In this case it is important to do the full evaluation, + ** as the result of the expression may not be NULL, even if all table + ** column values are. https://www.sqlite.org/src/info/7fa8049685b50b5a + ** + ** Also, do not do this when processing one index an a multi-index + ** OR clause, since the transformation will become invalid once we + ** move forward to the next index. + ** https://sqlite.org/src/info/4e8e4857d32d401f + */ + if( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ){ + whereIndexExprTrans(pIdx, iCur, iIdxCur, pWInfo); + } - /* If a partial index is driving the loop, try to eliminate WHERE clause - ** terms from the query that must be true due to the WHERE clause of - ** the partial index - */ - if( pIdx->pPartIdxWhere ){ - whereApplyPartialIndexConstraints(pIdx->pPartIdxWhere, iCur, pWC); + /* If a partial index is driving the loop, try to eliminate WHERE clause + ** terms from the query that must be true due to the WHERE clause of + ** the partial index. + ** + ** 2019-11-02 ticket 623eff57e76d45f6: This optimization does not work + ** for a LEFT JOIN. + */ + if( pIdx->pPartIdxWhere ){ + whereApplyPartialIndexConstraints(pIdx->pPartIdxWhere, iCur, pWC); + } + }else{ + testcase( pIdx->pPartIdxWhere ); + /* The following assert() is not a requirement, merely an observation: + ** The OR-optimization doesn't work for the right hand table of + ** a LEFT JOIN: */ + assert( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0 ); } /* Record the instruction used to terminate the loop. */ @@ -139287,15 +143602,15 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( pOrTab = pWInfo->pTabList; } - /* Initialize the rowset register to contain NULL. An SQL NULL is + /* Initialize the rowset register to contain NULL. An SQL NULL is ** equivalent to an empty rowset. Or, create an ephemeral index ** capable of holding primary keys in the case of a WITHOUT ROWID. ** - ** Also initialize regReturn to contain the address of the instruction + ** Also initialize regReturn to contain the address of the instruction ** immediately following the OP_Return at the bottom of the loop. This ** is required in a few obscure LEFT JOIN cases where control jumps - ** over the top of the loop into the body of it. In this case the - ** correct response for the end-of-loop code (the OP_Return) is to + ** over the top of the loop into the body of it. In this case the + ** correct response for the end-of-loop code (the OP_Return) is to ** fall through to the next instruction, just as an OP_Next does if ** called on an uninitialized cursor. */ @@ -139320,7 +143635,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** ** Actually, each subexpression is converted to "xN AND w" where w is ** the "interesting" terms of z - terms that did not originate in the - ** ON or USING clause of a LEFT JOIN, and terms that are usable as + ** ON or USING clause of a LEFT JOIN, and terms that are usable as ** indices. ** ** This optimization also only applies if the (x1 OR x2 OR ...) term @@ -139344,7 +143659,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( /* The extra 0x10000 bit on the opcode is masked off and does not ** become part of the new Expr.op. However, it does make the ** op==TK_AND comparison inside of sqlite3PExpr() false, and this - ** prevents sqlite3PExpr() from implementing AND short-circuit + ** prevents sqlite3PExpr() from implementing AND short-circuit ** optimization, which we do not want here. */ pAndExpr = sqlite3PExpr(pParse, TK_AND|0x10000, 0, pAndExpr); } @@ -139362,9 +143677,9 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( WhereInfo *pSubWInfo; /* Info for single OR-term scan */ Expr *pOrExpr = pOrTerm->pExpr; /* Current OR clause term */ int jmp1 = 0; /* Address of jump operation */ - assert( (pTabItem[0].fg.jointype & JT_LEFT)==0 - || ExprHasProperty(pOrExpr, EP_FromJoin) - ); + testcase( (pTabItem[0].fg.jointype & JT_LEFT)!=0 + && !ExprHasProperty(pOrExpr, EP_FromJoin) + ); /* See TH3 vtab25.400 and ticket 614b25314c766238 */ if( pAndExpr ){ pAndExpr->pLeft = pOrExpr; pOrExpr = pAndExpr; @@ -139404,7 +143719,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( r = sqlite3GetTempRange(pParse, nPk); for(iPk=0; iPk<nPk; iPk++){ int iCol = pPk->aiColumn[iPk]; - sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, iCol, r+iPk); + sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, iCol,r+iPk); } /* Check if the temp table already contains this key. If so, @@ -139415,9 +143730,9 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** ** Use some of the same optimizations as OP_RowSetTest: If iSet ** is zero, assume that the key cannot already be present in - ** the temp table. And if iSet is -1, assume that there is no - ** need to insert the key into the temp table, as it will never - ** be tested for. */ + ** the temp table. And if iSet is -1, assume that there is no + ** need to insert the key into the temp table, as it will never + ** be tested for. */ if( iSet ){ jmp1 = sqlite3VdbeAddOp4Int(v, OP_Found, regRowset, 0, r, nPk); VdbeCoverage(v); @@ -139456,8 +143771,8 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** If the call to sqlite3WhereBegin() above resulted in a scan that ** uses an index, and this is either the first OR-connected term ** processed or the index is the same as that used by all previous - ** terms, set pCov to the candidate covering index. Otherwise, set - ** pCov to NULL to indicate that no candidate covering index will + ** terms, set pCov to the candidate covering index. Otherwise, set + ** pCov to NULL to indicate that no candidate covering index will ** be available. */ pSubLoop = pSubWInfo->a[0].pWLoop; @@ -139529,7 +143844,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( ** ** iLoop==1: Code only expressions that are entirely covered by pIdx. ** iLoop==2: Code remaining expressions that do not contain correlated - ** sub-queries. + ** sub-queries. ** iLoop==3: Code all remaining expressions. ** ** An effort is made to skip unnecessary iterations of the loop. @@ -139554,7 +143869,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( if( (pTabItem->fg.jointype&JT_LEFT) && !ExprHasProperty(pE,EP_FromJoin) ){ continue; } - + if( iLoop==1 && !sqlite3ExprCoveredByIndex(pE, pLevel->iTabCur, pIdx) ){ iNext = 2; continue; @@ -139586,6 +143901,10 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( VdbeNoopComment((v, "WhereTerm[%d] (%p) priority=%d", pWC->nTerm-j, pTerm, iLoop)); } + if( sqlite3WhereTrace & 0x800 ){ + sqlite3DebugPrintf("Coding auxiliary constraint:\n"); + sqlite3WhereTermPrint(pTerm, pWC->nTerm-j); + } #endif sqlite3ExprIfFalse(pParse, pE, addrCont, SQLITE_JUMPIFNULL); if( skipLikeAddr ) sqlite3VdbeJumpHere(v, skipLikeAddr); @@ -139609,15 +143928,21 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( if( (pTerm->eOperator & (WO_EQ|WO_IS))==0 ) continue; if( (pTerm->eOperator & WO_EQUIV)==0 ) continue; if( pTerm->leftCursor!=iCur ) continue; - if( pLevel->iLeftJoin ) continue; + if( pTabItem->fg.jointype & JT_LEFT ) continue; pE = pTerm->pExpr; +#ifdef WHERETRACE_ENABLED /* 0x800 */ + if( sqlite3WhereTrace & 0x800 ){ + sqlite3DebugPrintf("Coding transitive constraint:\n"); + sqlite3WhereTermPrint(pTerm, pWC->nTerm-j); + } +#endif assert( !ExprHasProperty(pE, EP_FromJoin) ); assert( (pTerm->prereqRight & pLevel->notReady)!=0 ); pAlt = sqlite3WhereFindTerm(pWC, iCur, pTerm->u.leftColumn, notReady, WO_EQ|WO_IN|WO_IS, 0); if( pAlt==0 ) continue; if( pAlt->wtFlags & (TERM_CODED) ) continue; - if( (pAlt->eOperator & WO_IN) + if( (pAlt->eOperator & WO_IN) && (pAlt->pExpr->flags & EP_xIsSelect) && (pAlt->pExpr->x.pSelect->pEList->nExpr>1) ){ @@ -139633,7 +143958,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } /* For a LEFT OUTER JOIN, generate code that will record the fact that - ** at least one row of the right table has matched the left table. + ** at least one row of the right table has matched the left table. */ if( pLevel->iLeftJoin ){ pLevel->addrFirst = sqlite3VdbeCurrentAddr(v); @@ -139653,6 +143978,17 @@ SQLITE_PRIVATE Bitmask sqlite3WhereCodeOneLoopStart( } } +#if WHERETRACE_ENABLED /* 0x20800 */ + if( sqlite3WhereTrace & 0x20000 ){ + sqlite3DebugPrintf("All WHERE-clause terms after coding level %d:\n", + iLevel); + sqlite3WhereClausePrint(pWC); + } + if( sqlite3WhereTrace & 0x800 ){ + sqlite3DebugPrintf("End Coding level %d: notReady=%llx\n", + iLevel, (u64)pLevel->notReady); + } +#endif return pLevel->notReady; } @@ -139769,39 +144105,14 @@ static int allowedOp(int op){ /* ** Commute a comparison operator. Expressions of the form "X op Y" ** are converted into "Y op X". -** -** If left/right precedence rules come into play when determining the -** collating sequence, then COLLATE operators are adjusted to ensure -** that the collating sequence does not change. For example: -** "Y collate NOCASE op X" becomes "X op Y" because any collation sequence on -** the left hand side of a comparison overrides any collation sequence -** attached to the right. For the same reason the EP_Collate flag -** is not commuted. -** -** The return value is extra flags that are added to the WhereTerm object -** after it is commuted. The only extra flag ever added is TERM_NOPARTIDX -** which prevents the term from being used to enable a partial index if -** COLLATE changes have been made. */ static u16 exprCommute(Parse *pParse, Expr *pExpr){ - u16 expRight = (pExpr->pRight->flags & EP_Collate); - u16 expLeft = (pExpr->pLeft->flags & EP_Collate); - u16 wtFlags = 0; - assert( allowedOp(pExpr->op) && pExpr->op!=TK_IN ); - if( expRight==expLeft ){ - /* Either X and Y both have COLLATE operator or neither do */ - if( expRight ){ - /* Both X and Y have COLLATE operators. Make sure X is always - ** used by clearing the EP_Collate flag from Y. */ - pExpr->pRight->flags &= ~EP_Collate; - wtFlags |= TERM_NOPARTIDX; - }else if( sqlite3ExprCollSeq(pParse, pExpr->pLeft)!=0 ){ - /* Neither X nor Y have COLLATE operators, but X has a non-default - ** collating sequence. So add the EP_Collate marker on X to cause - ** it to be searched first. */ - pExpr->pLeft->flags |= EP_Collate; - wtFlags |= TERM_NOPARTIDX; - } + if( pExpr->pLeft->op==TK_VECTOR + || pExpr->pRight->op==TK_VECTOR + || sqlite3BinaryCompareCollSeq(pParse, pExpr->pLeft, pExpr->pRight) != + sqlite3BinaryCompareCollSeq(pParse, pExpr->pRight, pExpr->pLeft) + ){ + pExpr->flags ^= EP_Commuted; } SWAP(Expr*,pExpr->pRight,pExpr->pLeft); if( pExpr->op>=TK_GT ){ @@ -139812,7 +144123,7 @@ static u16 exprCommute(Parse *pParse, Expr *pExpr){ assert( pExpr->op>=TK_GT && pExpr->op<=TK_GE ); pExpr->op = ((pExpr->op-TK_GT)^2)+TK_GT; } - return wtFlags; + return 0; } /* @@ -139946,8 +144257,8 @@ static int isLikeOrGlob( ** 2019-06-14 https://sqlite.org/src/info/ce8717f0885af975 ** 2019-09-03 https://sqlite.org/src/info/0f0428096f17252a */ - if( pLeft->op!=TK_COLUMN - || sqlite3ExprAffinity(pLeft)!=SQLITE_AFF_TEXT + if( pLeft->op!=TK_COLUMN + || sqlite3ExprAffinity(pLeft)!=SQLITE_AFF_TEXT || IsVirtual(pLeft->y.pTab) /* Value might be numeric */ ){ int isNum; @@ -139982,7 +144293,7 @@ static int isLikeOrGlob( ** function, then no OP_Variable will be added to the program. ** This causes problems for the sqlite3_bind_parameter_name() ** API. To work around them, add a dummy OP_Variable here. - */ + */ int r1 = sqlite3GetTempReg(pParse); sqlite3ExprCodeTarget(pParse, pRight, r1); sqlite3VdbeChangeP3(v, sqlite3VdbeCurrentAddr(v)-1, 0); @@ -140019,7 +144330,7 @@ static int isLikeOrGlob( ** 9. column IS NOT NULL SQLITE_INDEX_CONSTRAINT_ISNOTNULL ** ** In every case, "column" must be a column of a virtual table. If there -** is a match, set *ppLeft to the "column" expression, set *ppRight to the +** is a match, set *ppLeft to the "column" expression, set *ppRight to the ** "expr" expression (even though in forms (6) and (8) the column is on the ** right and the expression is on the left). Also set *peOp2 to the ** appropriate virtual table operator. The return value is 1 or 2 if there @@ -140062,7 +144373,8 @@ static int isAuxiliaryVtabOperator( ** MATCH(expression,vtab_column) */ pCol = pList->a[1].pExpr; - if( pCol->op==TK_COLUMN && IsVirtual(pCol->y.pTab) ){ + testcase( pCol->op==TK_COLUMN && pCol->y.pTab==0 ); + if( ExprIsVtab(pCol) ){ for(i=0; i<ArraySize(aOp); i++){ if( sqlite3StrICmp(pExpr->u.zToken, aOp[i].zOp)==0 ){ *peOp2 = aOp[i].eOp2; @@ -140084,7 +144396,8 @@ static int isAuxiliaryVtabOperator( ** with function names in an arbitrary case. */ pCol = pList->a[0].pExpr; - if( pCol->op==TK_COLUMN && IsVirtual(pCol->y.pTab) ){ + testcase( pCol->op==TK_COLUMN && pCol->y.pTab==0 ); + if( ExprIsVtab(pCol) ){ sqlite3_vtab *pVtab; sqlite3_module *pMod; void (*xNotUsed)(sqlite3_context*,int,sqlite3_value**); @@ -140107,10 +144420,12 @@ static int isAuxiliaryVtabOperator( int res = 0; Expr *pLeft = pExpr->pLeft; Expr *pRight = pExpr->pRight; - if( pLeft->op==TK_COLUMN && IsVirtual(pLeft->y.pTab) ){ + testcase( pLeft->op==TK_COLUMN && pLeft->y.pTab==0 ); + if( ExprIsVtab(pLeft) ){ res++; } - if( pRight && pRight->op==TK_COLUMN && IsVirtual(pRight->y.pTab) ){ + testcase( pRight && pRight->op==TK_COLUMN && pRight->y.pTab==0 ); + if( pRight && ExprIsVtab(pRight) ){ res++; SWAP(Expr*, pLeft, pRight); } @@ -140178,7 +144493,7 @@ static WhereTerm *whereNthSubterm(WhereTerm *pTerm, int N){ ** ** The following is NOT generated: ** -** x<y OR x>y --> x!=y +** x<y OR x>y --> x!=y */ static void whereCombineDisjuncts( SrcList *pSrc, /* the FROM clause */ @@ -140275,10 +144590,10 @@ static void whereCombineDisjuncts( ** WhereTerm.u.pOrInfo->indexable |= the cursor number for table T ** ** A subterm is "indexable" if it is of the form -** "T.C <op> <expr>" where C is any column of table T and +** "T.C <op> <expr>" where C is any column of table T and ** <op> is one of "=", "<", "<=", ">", ">=", "IS NULL", or "IN". ** A subterm is also indexable if it is an AND of two or more -** subsubterms at least one of which is indexable. Indexable AND +** subsubterms at least one of which is indexable. Indexable AND ** subterms have their eOperator set to WO_AND and they have ** u.pAndInfo set to a dynamically allocated WhereAndTerm object. ** @@ -140369,7 +144684,7 @@ static void exprAnalyzeOrTerm( if( !db->mallocFailed ){ for(j=0, pAndTerm=pAndWC->a; j<pAndWC->nTerm; j++, pAndTerm++){ assert( pAndTerm->pExpr ); - if( allowedOp(pAndTerm->pExpr->op) + if( allowedOp(pAndTerm->pExpr->op) || pAndTerm->eOperator==WO_AUX ){ b |= sqlite3WhereGetMask(&pWInfo->sMaskSet, pAndTerm->leftCursor); @@ -140472,7 +144787,7 @@ static void exprAnalyzeOrTerm( pOrTerm->leftCursor))==0 ){ /* This term must be of the form t1.a==t2.b where t2 is in the ** chngToIN set but t1 is not. This term will be either preceded - ** or follwed by an inverted copy (t2.b==t1.a). Skip this term + ** or follwed by an inverted copy (t2.b==t1.a). Skip this term ** and use its inversion. */ testcase( pOrTerm->wtFlags & TERM_COPIED ); testcase( pOrTerm->wtFlags & TERM_VIRTUAL ); @@ -140501,7 +144816,7 @@ static void exprAnalyzeOrTerm( assert( pOrTerm->eOperator & WO_EQ ); if( pOrTerm->leftCursor!=iCursor ){ pOrTerm->wtFlags &= ~TERM_OR_OK; - }else if( pOrTerm->u.leftColumn!=iColumn || (iColumn==XN_EXPR + }else if( pOrTerm->u.leftColumn!=iColumn || (iColumn==XN_EXPR && sqlite3ExprCompare(pParse, pOrTerm->pExpr->pLeft, pLeft, -1) )){ okToChngToIN = 0; @@ -140523,7 +144838,7 @@ static void exprAnalyzeOrTerm( } /* At this point, okToChngToIN is true if original pTerm satisfies - ** case 1. In that case, construct a new virtual term that is + ** case 1. In that case, construct a new virtual term that is ** pTerm converted into an IN operator. */ if( okToChngToIN ){ @@ -140590,7 +144905,7 @@ static int termIsEquivalence(Parse *pParse, Expr *pExpr){ ){ return 0; } - pColl = sqlite3BinaryCompareCollSeq(pParse, pExpr->pLeft, pExpr->pRight); + pColl = sqlite3ExprCompareCollSeq(pParse, pExpr); if( sqlite3IsBinary(pColl) ) return 1; return sqlite3ExprCollSeqMatch(pParse, pExpr->pLeft, pExpr->pRight); } @@ -140668,8 +144983,8 @@ static int exprMightBeIndexed( Expr *pExpr, /* An operand of a comparison operator */ int op /* The specific comparison operator */ ){ - /* If this expression is a vector to the left or right of a - ** inequality constraint (>, <, >= or <=), perform the processing + /* If this expression is a vector to the left or right of a + ** inequality constraint (>, <, >= or <=), perform the processing ** on the first element of the vector. */ assert( TK_GT+1==TK_LE && TK_GT+2==TK_LT && TK_GT+3==TK_GE ); assert( TK_IS<TK_GE && TK_ISNULL<TK_GE && TK_IN<TK_GE ); @@ -140784,7 +145099,7 @@ static void exprAnalyze( pTerm->eOperator = operatorMask(op) & opMask; } if( op==TK_IS ) pTerm->wtFlags |= TERM_IS; - if( pRight + if( pRight && exprMightBeIndexed(pSrc, pTerm->prereqRight, aiCurCol, pRight, op) ){ WhereTerm *pNew; @@ -140849,7 +145164,7 @@ static void exprAnalyze( for(i=0; i<2; i++){ Expr *pNewExpr; int idxNew; - pNewExpr = sqlite3PExpr(pParse, ops[i], + pNewExpr = sqlite3PExpr(pParse, ops[i], sqlite3ExprDup(db, pExpr->pLeft, 0), sqlite3ExprDup(db, pList->a[i].pExpr, 0)); transferJoinMarkings(pNewExpr, pExpr); @@ -140887,7 +145202,7 @@ static void exprAnalyze( ** bound is made all lowercase so that the bounds also work when comparing ** BLOBs. */ - if( pWC->op==TK_AND + if( pWC->op==TK_AND && isLikeOrGlob(pParse, pExpr, &pStr1, &isComplete, &noCase) ){ Expr *pLeft; /* LHS of LIKE/GLOB operator */ @@ -140923,7 +145238,7 @@ static void exprAnalyze( if( noCase ){ /* The point is to increment the last character before the first ** wildcard. But if we increment '@', that will push it into the - ** alphabetic range where case conversions will mess up the + ** alphabetic range where case conversions will mess up the ** inequality. To avoid this, make sure to also run the full ** LIKE on all candidate expressions by clearing the isComplete flag */ @@ -140979,10 +145294,11 @@ static void exprAnalyze( prereqColumn = sqlite3WhereExprUsage(pMaskSet, pLeft); if( (prereqExpr & prereqColumn)==0 ){ Expr *pNewExpr; - pNewExpr = sqlite3PExpr(pParse, TK_MATCH, + pNewExpr = sqlite3PExpr(pParse, TK_MATCH, 0, sqlite3ExprDup(db, pRight, 0)); if( ExprHasProperty(pExpr, EP_FromJoin) && pNewExpr ){ ExprSetProperty(pNewExpr, EP_FromJoin); + pNewExpr->iRightJoinTable = pExpr->iRightJoinTable; } idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC); testcase( idxNew==0 ); @@ -141009,11 +145325,11 @@ static void exprAnalyze( ** ** This is only required if at least one side of the comparison operation ** is not a sub-select. */ - if( pWC->op==TK_AND + if( pWC->op==TK_AND && (pExpr->op==TK_EQ || pExpr->op==TK_IS) && (nLeft = sqlite3ExprVectorSize(pExpr->pLeft))>1 && sqlite3ExprVectorSize(pExpr->pRight)==nLeft - && ( (pExpr->pLeft->flags & EP_xIsSelect)==0 + && ( (pExpr->pLeft->flags & EP_xIsSelect)==0 || (pExpr->pRight->flags & EP_xIsSelect)==0) ){ int i; @@ -141035,15 +145351,19 @@ static void exprAnalyze( /* If there is a vector IN term - e.g. "(a, b) IN (SELECT ...)" - create ** a virtual term for each vector component. The expression object - ** used by each such virtual term is pExpr (the full vector IN(...) + ** used by each such virtual term is pExpr (the full vector IN(...) ** expression). The WhereTerm.iField variable identifies the index within ** the vector on the LHS that the virtual term represents. ** - ** This only works if the RHS is a simple SELECT, not a compound + ** This only works if the RHS is a simple SELECT (not a compound) that does + ** not use window functions. */ if( pWC->op==TK_AND && pExpr->op==TK_IN && pTerm->iField==0 && pExpr->pLeft->op==TK_VECTOR && pExpr->x.pSelect->pPrior==0 +#ifndef SQLITE_OMIT_WINDOWFUNC + && pExpr->x.pSelect->pWin==0 +#endif ){ int i; for(i=0; i<sqlite3ExprVectorSize(pExpr->pLeft); i++){ @@ -141201,9 +145521,10 @@ SQLITE_PRIVATE Bitmask sqlite3WhereExprUsageNN(WhereMaskSet *pMaskSet, Expr *p){ mask |= sqlite3WhereExprListUsage(pMaskSet, p->x.pList); } #ifndef SQLITE_OMIT_WINDOWFUNC - if( p->op==TK_FUNCTION && p->y.pWin ){ + if( (p->op==TK_FUNCTION || p->op==TK_AGG_FUNCTION) && p->y.pWin ){ mask |= sqlite3WhereExprListUsage(pMaskSet, p->y.pWin->pPartition); mask |= sqlite3WhereExprListUsage(pMaskSet, p->y.pWin->pOrderBy); + mask |= sqlite3WhereExprUsage(pMaskSet, p->y.pWin->pFilter); } #endif return mask; @@ -141224,7 +145545,7 @@ SQLITE_PRIVATE Bitmask sqlite3WhereExprListUsage(WhereMaskSet *pMaskSet, ExprLis /* -** Call exprAnalyze on all terms in a WHERE clause. +** Call exprAnalyze on all terms in a WHERE clause. ** ** Note that exprAnalyze() might add new virtual terms onto the ** end of the WHERE clause. We do not want to analyze these new @@ -141243,7 +145564,7 @@ SQLITE_PRIVATE void sqlite3WhereExprAnalyze( /* ** For table-valued-functions, transform the function arguments into -** new WHERE clause terms. +** new WHERE clause terms. ** ** Each function argument translates into an equality constraint against ** a HIDDEN column in the table. @@ -141276,9 +145597,12 @@ SQLITE_PRIVATE void sqlite3WhereTabFuncArgs( pColRef->iTable = pItem->iCursor; pColRef->iColumn = k++; pColRef->y.pTab = pTab; - pRhs = sqlite3PExpr(pParse, TK_UPLUS, + pRhs = sqlite3PExpr(pParse, TK_UPLUS, sqlite3ExprDup(pParse->db, pArgs->a[j].pExpr, 0), 0); pTerm = sqlite3PExpr(pParse, TK_EQ, pColRef, pRhs); + if( pItem->fg.jointype & JT_LEFT ){ + sqlite3SetJoinExpr(pTerm, pItem->iCursor); + } whereClauseInsert(pWC, pTerm, TERM_DYNAMIC); } } @@ -141346,8 +145670,12 @@ SQLITE_PRIVATE int sqlite3WhereIsDistinct(WhereInfo *pWInfo){ } /* -** Return TRUE if the WHERE clause returns rows in ORDER BY order. -** Return FALSE if the output needs to be sorted. +** Return the number of ORDER BY terms that are satisfied by the +** WHERE clause. A return of 0 means that the output must be +** completely sorted. A return equal to the number of ORDER BY +** terms means that no sorting is needed at all. A return that +** is positive but less than the number of ORDER BY terms means that +** block sorting is required. */ SQLITE_PRIVATE int sqlite3WhereIsOrdered(WhereInfo *pWInfo){ return pWInfo->nOBSat; @@ -141371,7 +145699,7 @@ SQLITE_PRIVATE int sqlite3WhereIsOrdered(WhereInfo *pWInfo){ ** be the continuation for the inner-most loop. ** ** It is always safe for this routine to return the continuation of the -** inner-most loop, in the sense that a correct answer will result. +** inner-most loop, in the sense that a correct answer will result. ** Returning the continuation the second inner loop is an optimization ** that might make the code run a little faster, but should not change ** the final answer. @@ -141379,7 +145707,7 @@ SQLITE_PRIVATE int sqlite3WhereIsOrdered(WhereInfo *pWInfo){ SQLITE_PRIVATE int sqlite3WhereOrderByLimitOptLabel(WhereInfo *pWInfo){ WhereLevel *pInner; if( !pWInfo->bOrderedInnerLoop ){ - /* The ORDER BY LIMIT optimization does not apply. Jump to the + /* The ORDER BY LIMIT optimization does not apply. Jump to the ** continuation of the inner-most loop. */ return pWInfo->iContinue; } @@ -141407,10 +145735,10 @@ SQLITE_PRIVATE int sqlite3WhereBreakLabel(WhereInfo *pWInfo){ /* ** Return ONEPASS_OFF (0) if an UPDATE or DELETE statement is unable to -** operate directly on the rowis returned by a WHERE clause. Return +** operate directly on the rowids returned by a WHERE clause. Return ** ONEPASS_SINGLE (1) if the statement can operation directly because only ** a single row is to be changed. Return ONEPASS_MULTI (2) if the one-pass -** optimization can be used on multiple +** optimization can be used on multiple ** ** If the ONEPASS optimization is used (if this routine returns true) ** then also write the indices of open cursors used by ONEPASS @@ -141435,6 +145763,14 @@ SQLITE_PRIVATE int sqlite3WhereOkOnePass(WhereInfo *pWInfo, int *aiCur){ } /* +** Return TRUE if the WHERE loop uses the OP_DeferredSeek opcode to move +** the data cursor to the row selected by the index cursor. +*/ +SQLITE_PRIVATE int sqlite3WhereUsesDeferredSeek(WhereInfo *pWInfo){ + return pWInfo->bDeferredSeek; +} + +/* ** Move the content of pSrc into pDest */ static void whereOrMove(WhereOrSet *pDest, WhereOrSet *pSrc){ @@ -141566,8 +145902,7 @@ static WhereTerm *whereScanNext(WhereScan *pScan){ continue; } assert(pX->pLeft); - pColl = sqlite3BinaryCompareCollSeq(pParse, - pX->pLeft, pX->pRight); + pColl = sqlite3ExprCompareCollSeq(pParse, pX); if( pColl==0 ) pColl = pParse->db->pDfltColl; if( sqlite3StrICmp(pColl->zName, pScan->zCollName) ){ continue; @@ -141673,7 +146008,7 @@ static WhereTerm *whereScanInit( ** if pIdx!=0 and <op> is one of the WO_xx operator codes specified by ** the op parameter. Return a pointer to the term. Return 0 if not found. ** -** If pIdx!=0 then it must be one of the indexes of table iCur. +** If pIdx!=0 then it must be one of the indexes of table iCur. ** Search for terms matching the iColumn-th column of pIdx ** rather than the iColumn-th column of table iCur. ** @@ -141786,17 +146121,17 @@ static int isDistinctRedundant( ){ Table *pTab; Index *pIdx; - int i; + int i; int iBase; /* If there is more than one table or sub-select in the FROM clause of - ** this query, then it will not be possible to show that the DISTINCT + ** this query, then it will not be possible to show that the DISTINCT ** clause is redundant. */ if( pTabList->nSrc!=1 ) return 0; iBase = pTabList->a[0].iCursor; pTab = pTabList->a[0].pTab; - /* If any of the expressions is an IPK column on table iBase, then return + /* If any of the expressions is an IPK column on table iBase, then return ** true. Note: The (p->iTable==iBase) part of this test may be false if the ** current SELECT is a correlated sub-query. */ @@ -141847,7 +146182,7 @@ static LogEst estLog(LogEst N){ ** Convert OP_Column opcodes to OP_Copy in previously generated code. ** ** This routine runs over generated VDBE code and translates OP_Column -** opcodes into OP_Copy when the table is being accessed via co-routine +** opcodes into OP_Copy when the table is being accessed via co-routine ** instead of via table lookup. ** ** If the iAutoidxCur is not zero, then any OP_Rowid instructions on @@ -141893,7 +146228,7 @@ static void translateColumnToCopy( ** are no-ops. */ #if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(WHERETRACE_ENABLED) -static void TRACE_IDX_INPUTS(sqlite3_index_info *p){ +static void whereTraceIndexInfoInputs(sqlite3_index_info *p){ int i; if( !sqlite3WhereTrace ) return; for(i=0; i<p->nConstraint; i++){ @@ -141911,7 +146246,7 @@ static void TRACE_IDX_INPUTS(sqlite3_index_info *p){ p->aOrderBy[i].desc); } } -static void TRACE_IDX_OUTPUTS(sqlite3_index_info *p){ +static void whereTraceIndexInfoOutputs(sqlite3_index_info *p){ int i; if( !sqlite3WhereTrace ) return; for(i=0; i<p->nConstraint; i++){ @@ -141927,8 +146262,8 @@ static void TRACE_IDX_OUTPUTS(sqlite3_index_info *p){ sqlite3DebugPrintf(" estimatedRows=%lld\n", p->estimatedRows); } #else -#define TRACE_IDX_INPUTS(A) -#define TRACE_IDX_OUTPUTS(A) +#define whereTraceIndexInfoInputs(A) +#define whereTraceIndexInfoOutputs(A) #endif #ifndef SQLITE_OMIT_AUTOMATIC_INDEX @@ -141945,7 +146280,7 @@ static int termCanDriveIndex( char aff; if( pTerm->leftCursor!=pSrc->iCursor ) return 0; if( (pTerm->eOperator & (WO_EQ|WO_IS))==0 ) return 0; - if( (pSrc->fg.jointype & JT_LEFT) + if( (pSrc->fg.jointype & JT_LEFT) && !ExprHasProperty(pTerm->pExpr, EP_FromJoin) && (pTerm->eOperator & WO_IS) ){ @@ -142088,7 +146423,8 @@ static void constructAutomaticIndex( Expr *pX = pTerm->pExpr; idxCols |= cMask; pIdx->aiColumn[n] = pTerm->u.leftColumn; - pColl = sqlite3BinaryCompareCollSeq(pParse, pX->pLeft, pX->pRight); + pColl = sqlite3ExprCompareCollSeq(pParse, pX); + assert( pColl!=0 || pParse->nErr>0 ); /* TH3 collate01.800 */ pIdx->azColl[n] = pColl ? pColl->zName : sqlite3StrBINARY; n++; } @@ -142157,11 +146493,11 @@ static void constructAutomaticIndex( pTabItem->fg.viaCoroutine = 0; }else{ sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); VdbeCoverage(v); + sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX); } - sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX); sqlite3VdbeJumpHere(v, addrTop); sqlite3ReleaseTempReg(pParse, regRecord); - + /* Jump here when skipping the initialization */ sqlite3VdbeJumpHere(v, addrInit); @@ -142172,7 +146508,7 @@ end_auto_index_create: #ifndef SQLITE_OMIT_VIRTUALTABLE /* -** Allocate and populate an sqlite3_index_info structure. It is the +** Allocate and populate an sqlite3_index_info structure. It is the ** responsibility of the caller to eventually release the structure ** by passing the pointer returned by this function to sqlite3_free(). */ @@ -142211,7 +146547,7 @@ static sqlite3_index_info *allocateIndexInfo( nTerm++; } - /* If the ORDER BY clause contains only columns in the current + /* If the ORDER BY clause contains only columns in the current ** virtual table then allocate space for the aOrderBy part of ** the sqlite3_index_info structure. */ @@ -142237,23 +146573,14 @@ static sqlite3_index_info *allocateIndexInfo( sqlite3ErrorMsg(pParse, "out of memory"); return 0; } - - /* Initialize the structure. The sqlite3_index_info structure contains - ** many fields that are declared "const" to prevent xBestIndex from - ** changing them. We have to do some funky casting in order to - ** initialize those fields. - */ pHidden = (struct HiddenIndexInfo*)&pIdxInfo[1]; pIdxCons = (struct sqlite3_index_constraint*)&pHidden[1]; pIdxOrderBy = (struct sqlite3_index_orderby*)&pIdxCons[nTerm]; pUsage = (struct sqlite3_index_constraint_usage*)&pIdxOrderBy[nOrderBy]; - *(int*)&pIdxInfo->nConstraint = nTerm; - *(int*)&pIdxInfo->nOrderBy = nOrderBy; - *(struct sqlite3_index_constraint**)&pIdxInfo->aConstraint = pIdxCons; - *(struct sqlite3_index_orderby**)&pIdxInfo->aOrderBy = pIdxOrderBy; - *(struct sqlite3_index_constraint_usage**)&pIdxInfo->aConstraintUsage = - pUsage; - + pIdxInfo->nOrderBy = nOrderBy; + pIdxInfo->aConstraint = pIdxCons; + pIdxInfo->aOrderBy = pIdxOrderBy; + pIdxInfo->aConstraintUsage = pUsage; pHidden->pWC = pWC; pHidden->pParse = pParse; for(i=j=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ @@ -142267,18 +146594,13 @@ static sqlite3_index_info *allocateIndexInfo( testcase( pTerm->eOperator & WO_ALL ); if( (pTerm->eOperator & ~(WO_EQUIV))==0 ) continue; if( pTerm->wtFlags & TERM_VNULL ) continue; + + /* tag-20191211-002: WHERE-clause constraints are not useful to the + ** right-hand table of a LEFT JOIN. See tag-20191211-001 for the + ** equivalent restriction for ordinary tables. */ if( (pSrc->fg.jointype & JT_LEFT)!=0 && !ExprHasProperty(pTerm->pExpr, EP_FromJoin) - && (pTerm->eOperator & (WO_IS|WO_ISNULL)) ){ - /* An "IS" term in the WHERE clause where the virtual table is the rhs - ** of a LEFT JOIN. Do not pass this term to the virtual table - ** implementation, as this can lead to incorrect results from SQL such - ** as: - ** - ** "LEFT JOIN vtab WHERE vtab.col IS NULL" */ - testcase( pTerm->eOperator & WO_ISNULL ); - testcase( pTerm->eOperator & WO_IS ); continue; } assert( pTerm->u.leftColumn>=(-1) ); @@ -142307,9 +146629,10 @@ static sqlite3_index_info *allocateIndexInfo( assert( pTerm->eOperator&(WO_IN|WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE|WO_AUX) ); if( op & (WO_LT|WO_LE|WO_GT|WO_GE) - && sqlite3ExprIsVector(pTerm->pExpr->pRight) + && sqlite3ExprIsVector(pTerm->pExpr->pRight) ){ - if( i<16 ) mNoOmit |= (1 << i); + testcase( j!=i ); + if( j<16 ) mNoOmit |= (1 << j); if( op==WO_LT ) pIdxCons[j].op = WO_LE; if( op==WO_GT ) pIdxCons[j].op = WO_GE; } @@ -142317,6 +146640,7 @@ static sqlite3_index_info *allocateIndexInfo( j++; } + pIdxInfo->nConstraint = j; for(i=0; i<nOrderBy; i++){ Expr *pExpr = pOrderBy->a[i].pExpr; pIdxOrderBy[i].iColumn = pExpr->iColumn; @@ -142347,9 +146671,9 @@ static int vtabBestIndex(Parse *pParse, Table *pTab, sqlite3_index_info *p){ sqlite3_vtab *pVtab = sqlite3GetVTable(pParse->db, pTab)->pVtab; int rc; - TRACE_IDX_INPUTS(p); + whereTraceIndexInfoInputs(p); rc = pVtab->pModule->xBestIndex(pVtab, p); - TRACE_IDX_OUTPUTS(p); + whereTraceIndexInfoOutputs(p); if( rc!=SQLITE_OK && rc!=SQLITE_CONSTRAINT ){ if( rc==SQLITE_NOMEM ){ @@ -142377,8 +146701,8 @@ static int vtabBestIndex(Parse *pParse, Table *pTab, sqlite3_index_info *p){ ** Return the index of the sample that is the smallest sample that ** is greater than or equal to pRec. Note that this index is not an index ** into the aSample[] array - it is an index into a virtual set of samples -** based on the contents of aSample[] and the number of fields in record -** pRec. +** based on the contents of aSample[] and the number of fields in record +** pRec. */ static int whereKeyStats( Parse *pParse, /* Database connection */ @@ -142414,38 +146738,38 @@ static int whereKeyStats( ** consider prefixes of those samples. For example, if the set of samples ** in aSample is: ** - ** aSample[0] = (a, 5) - ** aSample[1] = (a, 10) - ** aSample[2] = (b, 5) - ** aSample[3] = (c, 100) + ** aSample[0] = (a, 5) + ** aSample[1] = (a, 10) + ** aSample[2] = (b, 5) + ** aSample[3] = (c, 100) ** aSample[4] = (c, 105) ** - ** Then the search space should ideally be the samples above and the - ** unique prefixes [a], [b] and [c]. But since that is hard to organize, + ** Then the search space should ideally be the samples above and the + ** unique prefixes [a], [b] and [c]. But since that is hard to organize, ** the code actually searches this set: ** - ** 0: (a) - ** 1: (a, 5) - ** 2: (a, 10) - ** 3: (a, 10) - ** 4: (b) - ** 5: (b, 5) - ** 6: (c) - ** 7: (c, 100) + ** 0: (a) + ** 1: (a, 5) + ** 2: (a, 10) + ** 3: (a, 10) + ** 4: (b) + ** 5: (b, 5) + ** 6: (c) + ** 7: (c, 100) ** 8: (c, 105) ** 9: (c, 105) ** ** For each sample in the aSample[] array, N samples are present in the - ** effective sample array. In the above, samples 0 and 1 are based on + ** effective sample array. In the above, samples 0 and 1 are based on ** sample aSample[0]. Samples 2 and 3 on aSample[1] etc. ** ** Often, sample i of each block of N effective samples has (i+1) fields. ** Except, each sample may be extended to ensure that it is greater than or - ** equal to the previous sample in the array. For example, in the above, - ** sample 2 is the first sample of a block of N samples, so at first it - ** appears that it should be 1 field in size. However, that would make it - ** smaller than sample 1, so the binary search would not work. As a result, - ** it is extended to two fields. The duplicates that this creates do not + ** equal to the previous sample in the array. For example, in the above, + ** sample 2 is the first sample of a block of N samples, so at first it + ** appears that it should be 1 field in size. However, that would make it + ** smaller than sample 1, so the binary search would not work. As a result, + ** it is extended to two fields. The duplicates that this creates do not ** cause any problems. */ nField = pRec->nField; @@ -142459,7 +146783,7 @@ static int whereKeyStats( iSamp = iTest / nField; if( iSamp>0 ){ /* The proposed effective sample is a prefix of sample aSample[iSamp]. - ** Specifically, the shortest prefix of at least (1 + iTest%nField) + ** Specifically, the shortest prefix of at least (1 + iTest%nField) ** fields that is greater than the previous effective sample. */ for(n=(iTest % nField) + 1; n<nField; n++){ if( aSample[iSamp-1].anLt[n-1]!=aSample[iSamp].anLt[n-1] ) break; @@ -142494,8 +146818,8 @@ static int whereKeyStats( assert( i<pIdx->nSample ); assert( iCol==nField-1 ); pRec->nField = nField; - assert( 0==sqlite3VdbeRecordCompare(aSample[i].n, aSample[i].p, pRec) - || pParse->db->mallocFailed + assert( 0==sqlite3VdbeRecordCompare(aSample[i].n, aSample[i].p, pRec) + || pParse->db->mallocFailed ); }else{ /* Unless i==pIdx->nSample, indicating that pRec is larger than @@ -142503,7 +146827,7 @@ static int whereKeyStats( ** (iCol+1) field prefix of sample i. */ assert( i<=pIdx->nSample && i>=0 ); pRec->nField = iCol+1; - assert( i==pIdx->nSample + assert( i==pIdx->nSample || sqlite3VdbeRecordCompare(aSample[i].n, aSample[i].p, pRec)>0 || pParse->db->mallocFailed ); @@ -142531,7 +146855,7 @@ static int whereKeyStats( aStat[0] = aSample[i].anLt[iCol]; aStat[1] = aSample[i].anEq[iCol]; }else{ - /* At this point, the (iCol+1) field prefix of aSample[i] is the first + /* At this point, the (iCol+1) field prefix of aSample[i] is the first ** sample that is greater than pRec. Or, if i==pIdx->nSample then pRec ** is larger than all samples in the array. */ tRowcnt iUpper, iGap; @@ -142563,7 +146887,7 @@ static int whereKeyStats( /* ** If it is not NULL, pTerm is a term that provides an upper or lower -** bound on a range scan. Without considering pTerm, it is estimated +** bound on a range scan. Without considering pTerm, it is estimated ** that the scan will visit nNew rows. This function returns the number ** estimated to be visited after taking pTerm into account. ** @@ -142601,18 +146925,18 @@ SQLITE_PRIVATE char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCo #ifdef SQLITE_ENABLE_STAT4 -/* +/* ** This function is called to estimate the number of rows visited by a ** range-scan on a skip-scan index. For example: ** ** CREATE INDEX i1 ON t1(a, b, c); ** SELECT * FROM t1 WHERE a=? AND c BETWEEN ? AND ?; ** -** Value pLoop->nOut is currently set to the estimated number of rows -** visited for scanning (a=? AND b=?). This function reduces that estimate +** Value pLoop->nOut is currently set to the estimated number of rows +** visited for scanning (a=? AND b=?). This function reduces that estimate ** by some factor to account for the (c BETWEEN ? AND ?) expression based -** on the stat4 data for the index. this scan will be peformed multiple -** times (once for each (a,b) combination that matches a=?) is dealt with +** on the stat4 data for the index. this scan will be peformed multiple +** times (once for each (a,b) combination that matches a=?) is dealt with ** by the caller. ** ** It does this by scanning through all stat4 samples, comparing values @@ -142633,7 +146957,7 @@ SQLITE_PRIVATE char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCo ** estimate of the number of rows delivered remains unchanged), *pbDone ** is left as is. ** -** If an error occurs, an SQLite error code is returned. Otherwise, +** If an error occurs, an SQLite error code is returned. Otherwise, ** SQLITE_OK. */ static int whereRangeSkipScanEst( @@ -142651,7 +146975,7 @@ static int whereRangeSkipScanEst( int rc = SQLITE_OK; u8 aff = sqlite3IndexColumnAffinity(db, p, nEq); CollSeq *pColl; - + sqlite3_value *p1 = 0; /* Value extracted from pLower */ sqlite3_value *p2 = 0; /* Value extracted from pUpper */ sqlite3_value *pVal = 0; /* Value extracted from record */ @@ -142683,7 +147007,7 @@ static int whereRangeSkipScanEst( nDiff = (nUpper - nLower); if( nDiff<=0 ) nDiff = 1; - /* If there is both an upper and lower bound specified, and the + /* If there is both an upper and lower bound specified, and the ** comparisons indicate that they are close together, use the fallback ** method (assume that the scan visits 1/64 of the rows) for estimating ** the number of rows visited. Otherwise, estimate the number of rows @@ -142730,7 +147054,7 @@ static int whereRangeSkipScanEst( ** ** ... FROM t1 WHERE a = ? AND b > ? AND b < ? ... ** -** then nEq is set to 1 (as the range restricted column, b, is the second +** then nEq is set to 1 (as the range restricted column, b, is the second ** left-most column of the index). Or, if the query is: ** ** ... FROM t1 WHERE a > ? AND a < ? ... @@ -142738,13 +147062,13 @@ static int whereRangeSkipScanEst( ** then nEq is set to 0. ** ** When this function is called, *pnOut is set to the sqlite3LogEst() of the -** number of rows that the index scan is expected to visit without -** considering the range constraints. If nEq is 0, then *pnOut is the number of +** number of rows that the index scan is expected to visit without +** considering the range constraints. If nEq is 0, then *pnOut is the number of ** rows in the index. Assuming no error occurs, *pnOut is adjusted (reduced) ** to account for the range constraints pLower and pUpper. -** +** ** In the absence of sqlite_stat4 ANALYZE data, or if such data cannot be -** used, a single range inequality reduces the search space by a factor of 4. +** used, a single range inequality reduces the search space by a factor of 4. ** and a pair of constraints (x>? AND x<?) reduces the expected number of ** rows visited by a factor of 64. */ @@ -142772,7 +147096,7 @@ static int whereRangeScanEst( int nBtm = pLoop->u.btree.nBtm; int nTop = pLoop->u.btree.nTop; - /* Variable iLower will be set to the estimate of the number of rows in + /* Variable iLower will be set to the estimate of the number of rows in ** the index that are less than the lower bound of the range query. The ** lower bound being the concatenation of $P and $L, where $P is the ** key-prefix formed by the nEq values matched against the nEq left-most @@ -142781,7 +147105,7 @@ static int whereRangeScanEst( ** Or, if pLower is NULL or $L cannot be extracted from it (because it ** is not a simple variable or literal value), the lower bound of the ** range is $P. Due to a quirk in the way whereKeyStats() works, even - ** if $L is available, whereKeyStats() is called for both ($P) and + ** if $L is available, whereKeyStats() is called for both ($P) and ** ($P:$L) and the larger of the two returned values is used. ** ** Similarly, iUpper is to be set to the estimate of the number of rows @@ -142805,7 +147129,7 @@ static int whereRangeScanEst( iLower = 0; iUpper = p->nRowEst0; }else{ - /* Note: this call could be optimized away - since the same values must + /* Note: this call could be optimized away - since the same values must ** have been requested when testing key $P in whereEqualScanEst(). */ whereKeyStats(pParse, p, pRec, 0, a); iLower = a[0]; @@ -142893,7 +147217,7 @@ static int whereRangeScanEst( ** reduced by an additional 75%. This means that, by default, an open-ended ** range query (e.g. col > ?) is assumed to match 1/4 of the rows in the ** index. While a closed range (e.g. col BETWEEN ? AND ?) is estimated to - ** match 1/64 of the index. */ + ** match 1/64 of the index. */ if( pLower && pLower->truthProb>0 && pUpper && pUpper->truthProb>0 ){ nNew -= 20; } @@ -142920,7 +147244,7 @@ static int whereRangeScanEst( ** for that index. When pExpr==NULL that means the constraint is ** "x IS NULL" instead of "x=VALUE". ** -** Write the estimated row count into *pnRow and return SQLITE_OK. +** Write the estimated row count into *pnRow and return SQLITE_OK. ** If unable to make an estimate, leave *pnRow unchanged and return ** non-zero. ** @@ -142971,7 +147295,7 @@ static int whereEqualScanEst( WHERETRACE(0x10,("equality scan regions %s(%d): %d\n", p->zName, nEq-1, (int)a[1])); *pnRow = a[1]; - + return rc; } #endif /* SQLITE_ENABLE_STAT4 */ @@ -142984,7 +147308,7 @@ static int whereEqualScanEst( ** ** WHERE x IN (1,2,3,4) ** -** Write the estimated row count into *pnRow and return SQLITE_OK. +** Write the estimated row count into *pnRow and return SQLITE_OK. ** If unable to make an estimate, leave *pnRow unchanged and return ** non-zero. ** @@ -143030,34 +147354,42 @@ static int whereInScanEst( /* ** Print the content of a WhereTerm object */ -static void whereTermPrint(WhereTerm *pTerm, int iTerm){ +SQLITE_PRIVATE void sqlite3WhereTermPrint(WhereTerm *pTerm, int iTerm){ if( pTerm==0 ){ sqlite3DebugPrintf("TERM-%-3d NULL\n", iTerm); }else{ - char zType[4]; + char zType[8]; char zLeft[50]; - memcpy(zType, "...", 4); + memcpy(zType, "....", 5); if( pTerm->wtFlags & TERM_VIRTUAL ) zType[0] = 'V'; if( pTerm->eOperator & WO_EQUIV ) zType[1] = 'E'; if( ExprHasProperty(pTerm->pExpr, EP_FromJoin) ) zType[2] = 'L'; + if( pTerm->wtFlags & TERM_CODED ) zType[3] = 'C'; if( pTerm->eOperator & WO_SINGLE ){ sqlite3_snprintf(sizeof(zLeft),zLeft,"left={%d:%d}", pTerm->leftCursor, pTerm->u.leftColumn); }else if( (pTerm->eOperator & WO_OR)!=0 && pTerm->u.pOrInfo!=0 ){ - sqlite3_snprintf(sizeof(zLeft),zLeft,"indexable=0x%lld", + sqlite3_snprintf(sizeof(zLeft),zLeft,"indexable=0x%lld", pTerm->u.pOrInfo->indexable); }else{ sqlite3_snprintf(sizeof(zLeft),zLeft,"left=%d", pTerm->leftCursor); } sqlite3DebugPrintf( - "TERM-%-3d %p %s %-12s prob=%-3d op=0x%03x wtFlags=0x%04x", - iTerm, pTerm, zType, zLeft, pTerm->truthProb, - pTerm->eOperator, pTerm->wtFlags); + "TERM-%-3d %p %s %-12s op=%03x wtFlags=%04x", + iTerm, pTerm, zType, zLeft, pTerm->eOperator, pTerm->wtFlags); + /* The 0x10000 .wheretrace flag causes extra information to be + ** shown about each Term */ + if( sqlite3WhereTrace & 0x10000 ){ + sqlite3DebugPrintf(" prob=%-3d prereq=%llx,%llx", + pTerm->truthProb, (u64)pTerm->prereqAll, (u64)pTerm->prereqRight); + } if( pTerm->iField ){ - sqlite3DebugPrintf(" iField=%d\n", pTerm->iField); - }else{ - sqlite3DebugPrintf("\n"); + sqlite3DebugPrintf(" iField=%d", pTerm->iField); } + if( pTerm->iParent>=0 ){ + sqlite3DebugPrintf(" iParent=%d", pTerm->iParent); + } + sqlite3DebugPrintf("\n"); sqlite3TreeViewExpr(0, pTerm->pExpr, 0); } } @@ -143070,7 +147402,7 @@ static void whereTermPrint(WhereTerm *pTerm, int iTerm){ SQLITE_PRIVATE void sqlite3WhereClausePrint(WhereClause *pWC){ int i; for(i=0; i<pWC->nTerm; i++){ - whereTermPrint(&pWC->a[i], i); + sqlite3WhereTermPrint(&pWC->a[i], i); } } #endif @@ -143079,7 +147411,7 @@ SQLITE_PRIVATE void sqlite3WhereClausePrint(WhereClause *pWC){ /* ** Print a WhereLoop object for debugging purposes */ -static void whereLoopPrint(WhereLoop *p, WhereClause *pWC){ +SQLITE_PRIVATE void sqlite3WhereLoopPrint(WhereLoop *p, WhereClause *pWC){ WhereInfo *pWInfo = pWC->pWInfo; int nb = 1+(pWInfo->pTabList->nSrc+3)/4; struct SrcList_item *pItem = pWInfo->pTabList->a + p->iTab; @@ -143104,7 +147436,7 @@ static void whereLoopPrint(WhereLoop *p, WhereClause *pWC){ }else{ char *z; if( p->u.vtab.idxStr ){ - z = sqlite3_mprintf("(%d,\"%s\",%x)", + z = sqlite3_mprintf("(%d,\"%s\",%#x)", p->u.vtab.idxNum, p->u.vtab.idxStr, p->u.vtab.omitMask); }else{ z = sqlite3_mprintf("(%d,%x)", p->u.vtab.idxNum, p->u.vtab.omitMask); @@ -143121,7 +147453,7 @@ static void whereLoopPrint(WhereLoop *p, WhereClause *pWC){ if( p->nLTerm && (sqlite3WhereTrace & 0x100)!=0 ){ int i; for(i=0; i<p->nLTerm; i++){ - whereTermPrint(p->aLTerm[i], i); + sqlite3WhereTermPrint(p->aLTerm[i], i); } } } @@ -143225,6 +147557,7 @@ static void whereInfoFree(sqlite3 *db, WhereInfo *pWInfo){ pWInfo->pLoops = p->pNextLoop; whereLoopDelete(db, p); } + assert( pWInfo->pExprMods==0 ); sqlite3DbFreeNN(db, pWInfo); } @@ -143239,7 +147572,7 @@ static void whereInfoFree(sqlite3 *db, WhereInfo *pWInfo){ ** ** Conditions (2) and (3) mean that X is a "proper subset" of Y. ** If X is a proper subset of Y then Y is a better choice and ought -** to have a lower cost. This routine returns TRUE when that cost +** to have a lower cost. This routine returns TRUE when that cost ** relationship is inverted and needs to be adjusted. Constraint (4) ** was added because if X uses skip-scan less than Y it still might ** deserve a lower cost even if it is a proper subset of Y. Constraint (5) @@ -143266,7 +147599,7 @@ static int whereLoopCheaperProperSubset( } if( j<0 ) return 0; /* X not a subset of Y since term X[i] not used by Y */ } - if( (pX->wsFlags&WHERE_IDX_ONLY)!=0 + if( (pX->wsFlags&WHERE_IDX_ONLY)!=0 && (pY->wsFlags&WHERE_IDX_ONLY)==0 ){ return 0; /* Constraint (5) */ } @@ -143293,7 +147626,7 @@ static void whereLoopAdjustCost(const WhereLoop *p, WhereLoop *pTemplate){ if( p->iTab!=pTemplate->iTab ) continue; if( (p->wsFlags & WHERE_INDEXED)==0 ) continue; if( whereLoopCheaperProperSubset(p, pTemplate) ){ - /* Adjust pTemplate cost downward so that it is cheaper than its + /* Adjust pTemplate cost downward so that it is cheaper than its ** subset p. */ WHERETRACE(0x80,("subset cost adjustment %d,%d to %d,%d\n", pTemplate->rRun, pTemplate->nOut, p->rRun, p->nOut-1)); @@ -143339,7 +147672,7 @@ static WhereLoop **whereLoopFindLesser( /* In the current implementation, the rSetup value is either zero ** or the cost of building an automatic index (NlogN) and the NlogN ** is the same for compatible WhereLoops. */ - assert( p->rSetup==0 || pTemplate->rSetup==0 + assert( p->rSetup==0 || pTemplate->rSetup==0 || p->rSetup==pTemplate->rSetup ); /* whereLoopAddBtree() always generates and inserts the automatic index @@ -143404,7 +147737,7 @@ static WhereLoop **whereLoopFindLesser( ** ** When accumulating multiple loops (when pBuilder->pOrSet is NULL) we ** still might overwrite similar loops with the new template if the -** new template is better. Loops may be overwritten if the following +** new template is better. Loops may be overwritten if the following ** conditions are met: ** ** (1) They have the same iTab. @@ -143426,6 +147759,8 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ } pBuilder->iPlanLimit--; + whereLoopAdjustCost(pWInfo->pLoops, pTemplate); + /* If pBuilder->pOrSet is defined, then only keep track of the costs ** and prereqs. */ @@ -143440,7 +147775,7 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ #if WHERETRACE_ENABLED /* 0x8 */ if( sqlite3WhereTrace & 0x8 ){ sqlite3DebugPrintf(x?" or-%d: ":" or-X: ", n); - whereLoopPrint(pTemplate, pBuilder->pWC); + sqlite3WhereLoopPrint(pTemplate, pBuilder->pWC); } #endif } @@ -143449,7 +147784,6 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ /* Look for an existing WhereLoop to replace with pTemplate */ - whereLoopAdjustCost(pWInfo->pLoops, pTemplate); ppPrev = whereLoopFindLesser(&pWInfo->pLoops, pTemplate); if( ppPrev==0 ){ @@ -143458,10 +147792,10 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ #if WHERETRACE_ENABLED /* 0x8 */ if( sqlite3WhereTrace & 0x8 ){ sqlite3DebugPrintf(" skip: "); - whereLoopPrint(pTemplate, pBuilder->pWC); + sqlite3WhereLoopPrint(pTemplate, pBuilder->pWC); } #endif - return SQLITE_OK; + return SQLITE_OK; }else{ p = *ppPrev; } @@ -143474,12 +147808,12 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ if( sqlite3WhereTrace & 0x8 ){ if( p!=0 ){ sqlite3DebugPrintf("replace: "); - whereLoopPrint(p, pBuilder->pWC); + sqlite3WhereLoopPrint(p, pBuilder->pWC); sqlite3DebugPrintf(" with: "); }else{ sqlite3DebugPrintf(" add: "); } - whereLoopPrint(pTemplate, pBuilder->pWC); + sqlite3WhereLoopPrint(pTemplate, pBuilder->pWC); } #endif if( p==0 ){ @@ -143503,7 +147837,7 @@ static int whereLoopInsert(WhereLoopBuilder *pBuilder, WhereLoop *pTemplate){ #if WHERETRACE_ENABLED /* 0x8 */ if( sqlite3WhereTrace & 0x8 ){ sqlite3DebugPrintf(" delete: "); - whereLoopPrint(pToDel, pBuilder->pWC); + sqlite3WhereLoopPrint(pToDel, pBuilder->pWC); } #endif whereLoopDelete(db, pToDel); @@ -143579,7 +147913,9 @@ static void whereLoopOutputAdjust( /* In the absence of explicit truth probabilities, use heuristics to ** guess a reasonable truth probability. */ pLoop->nOut--; - if( pTerm->eOperator&(WO_EQ|WO_IS) ){ + if( (pTerm->eOperator&(WO_EQ|WO_IS))!=0 + && (pTerm->wtFlags & TERM_HIGHTRUTH)==0 /* tag-20200224-1 */ + ){ Expr *pRight = pTerm->pExpr->pRight; int k = 0; testcase( pTerm->pExpr->op==TK_IS ); @@ -143588,7 +147924,10 @@ static void whereLoopOutputAdjust( }else{ k = 20; } - if( iReduce<k ) iReduce = k; + if( iReduce<k ){ + pTerm->wtFlags |= TERM_HEURTRUTH; + iReduce = k; + } } } } @@ -143596,7 +147935,7 @@ static void whereLoopOutputAdjust( if( pLoop->nOut > nRow-iReduce ) pLoop->nOut = nRow - iReduce; } -/* +/* ** Term pTerm is a vector range comparison operation. The first comparison ** in the vector can be optimized using column nEq of the index. This ** function returns the total number of vector elements that can be used @@ -143625,7 +147964,7 @@ static int whereRangeVectorLen( nCmp = MIN(nCmp, (pIdx->nColumn - nEq)); for(i=1; i<nCmp; i++){ - /* Test if comparison i of pTerm is compatible with column (i+nEq) + /* Test if comparison i of pTerm is compatible with column (i+nEq) ** of the index. If not, exit the loop. */ char aff; /* Comparison affinity */ char idxaff = 0; /* Indexed columns affinity */ @@ -143642,9 +147981,9 @@ static int whereRangeVectorLen( ** the right column of the right source table. And that the sort ** order of the index column is the same as the sort order of the ** leftmost index column. */ - if( pLhs->op!=TK_COLUMN - || pLhs->iTable!=iCur - || pLhs->iColumn!=pIdx->aiColumn[i+nEq] + if( pLhs->op!=TK_COLUMN + || pLhs->iTable!=iCur + || pLhs->iColumn!=pIdx->aiColumn[i+nEq] || pIdx->aSortOrder[i+nEq]!=pIdx->aSortOrder[nEq] ){ break; @@ -143673,15 +148012,15 @@ static int whereRangeVectorLen( #endif /* -** We have so far matched pBuilder->pNew->u.btree.nEq terms of the +** We have so far matched pBuilder->pNew->u.btree.nEq terms of the ** index pIndex. Try to match one more. ** -** When this function is called, pBuilder->pNew->nOut contains the -** number of rows expected to be visited by filtering using the nEq -** terms only. If it is modified, this value is restored before this +** When this function is called, pBuilder->pNew->nOut contains the +** number of rows expected to be visited by filtering using the nEq +** terms only. If it is modified, this value is restored before this ** function returns. ** -** If pProbe->idxType==SQLITE_IDXTYPE_IPK, that means pIndex is +** If pProbe->idxType==SQLITE_IDXTYPE_IPK, that means pIndex is ** a fake index used for the INTEGER PRIMARY KEY. */ static int whereLoopAddBtreeIndex( @@ -143712,8 +148051,9 @@ static int whereLoopAddBtreeIndex( pNew = pBuilder->pNew; if( db->mallocFailed ) return SQLITE_NOMEM_BKPT; - WHERETRACE(0x800, ("BEGIN %s.addBtreeIdx(%s), nEq=%d\n", - pProbe->pTable->zName,pProbe->zName, pNew->u.btree.nEq)); + WHERETRACE(0x800, ("BEGIN %s.addBtreeIdx(%s), nEq=%d, nSkip=%d\n", + pProbe->pTable->zName,pProbe->zName, + pNew->u.btree.nEq, pNew->nSkip)); assert( (pNew->wsFlags & WHERE_VIRTUALTABLE)==0 ); assert( (pNew->wsFlags & WHERE_TOP_LIMIT)==0 ); @@ -143759,9 +148099,9 @@ static int whereLoopAddBtreeIndex( ** to mix with a lower range bound from some other source */ if( pTerm->wtFlags & TERM_LIKEOPT && pTerm->eOperator==WO_LT ) continue; - /* Do not allow constraints from the WHERE clause to be used by the - ** right table of a LEFT JOIN. Only constraints in the ON clause are - ** allowed */ + /* tag-20191211-001: Do not allow constraints from the WHERE clause to + ** be used by the right table of a LEFT JOIN. Only constraints in the + ** ON clause are allowed. See tag-20191211-002 for the vtab equivalent. */ if( (pSrc->fg.jointype & JT_LEFT)!=0 && !ExprHasProperty(pTerm->pExpr, EP_FromJoin) ){ @@ -143769,9 +148109,9 @@ static int whereLoopAddBtreeIndex( } if( IsUniqueIndex(pProbe) && saved_nEq==pProbe->nKeyCol-1 ){ - pBuilder->bldFlags |= SQLITE_BLDF_UNIQUE; + pBuilder->bldFlags1 |= SQLITE_BLDF1_UNIQUE; }else{ - pBuilder->bldFlags |= SQLITE_BLDF_INDEXED; + pBuilder->bldFlags1 |= SQLITE_BLDF1_INDEXED; } pNew->wsFlags = saved_wsFlags; pNew->u.btree.nEq = saved_nEq; @@ -143783,9 +148123,9 @@ static int whereLoopAddBtreeIndex( pNew->prereq = (saved_prereq | pTerm->prereqRight) & ~pNew->maskSelf; assert( nInMul==0 - || (pNew->wsFlags & WHERE_COLUMN_NULL)!=0 - || (pNew->wsFlags & WHERE_COLUMN_IN)!=0 - || (pNew->wsFlags & WHERE_SKIPSCAN)!=0 + || (pNew->wsFlags & WHERE_COLUMN_NULL)!=0 + || (pNew->wsFlags & WHERE_COLUMN_IN)!=0 + || (pNew->wsFlags & WHERE_SKIPSCAN)!=0 ); if( eOp & WO_IN ){ @@ -143812,7 +148152,7 @@ static int whereLoopAddBtreeIndex( /* Let: ** N = the total number of rows in the table ** K = the number of entries on the RHS of the IN operator - ** M = the number of rows in the table that match terms to the + ** M = the number of rows in the table that match terms to the ** to the left in the same index. If the IN operator is on ** the left-most index column, M==N. ** @@ -143847,11 +148187,11 @@ static int whereLoopAddBtreeIndex( int iCol = pProbe->aiColumn[saved_nEq]; pNew->wsFlags |= WHERE_COLUMN_EQ; assert( saved_nEq==pNew->u.btree.nEq ); - if( iCol==XN_ROWID + if( iCol==XN_ROWID || (iCol>=0 && nInMul==0 && saved_nEq==pProbe->nKeyCol-1) ){ - if( iCol==XN_ROWID || pProbe->uniqNotNull - || (pProbe->nKeyCol==1 && pProbe->onError && eOp==WO_EQ) + if( iCol==XN_ROWID || pProbe->uniqNotNull + || (pProbe->nKeyCol==1 && pProbe->onError && eOp==WO_EQ) ){ pNew->wsFlags |= WHERE_ONEROW; }else{ @@ -143896,7 +148236,7 @@ static int whereLoopAddBtreeIndex( /* At this point pNew->nOut is set to the number of rows expected to ** be visited by the index scan before considering term pTerm, or the - ** values of nIn and nInMul. In other words, assuming that all + ** values of nIn and nInMul. In other words, assuming that all ** "x IN(...)" terms are replaced with "x = ?". This block updates ** the value of pNew->nOut to account for pTerm (but not nIn/nInMul). */ assert( pNew->nOut==saved_nOut ); @@ -143917,8 +148257,8 @@ static int whereLoopAddBtreeIndex( }else{ #ifdef SQLITE_ENABLE_STAT4 tRowcnt nOut = 0; - if( nInMul==0 - && pProbe->nSample + if( nInMul==0 + && pProbe->nSample && pNew->u.btree.nEq<=pProbe->nSampleCol && ((eOp & WO_IN)==0 || !ExprHasProperty(pTerm->pExpr, EP_xIsSelect)) && OptimizationEnabled(db, SQLITE_Stat4) @@ -143936,6 +148276,27 @@ static int whereLoopAddBtreeIndex( if( rc!=SQLITE_OK ) break; /* Jump out of the pTerm loop */ if( nOut ){ pNew->nOut = sqlite3LogEst(nOut); + if( nEq==1 + /* TUNING: Mark terms as "low selectivity" if they seem likely + ** to be true for half or more of the rows in the table. + ** See tag-202002240-1 */ + && pNew->nOut+10 > pProbe->aiRowLogEst[0] + ){ +#if WHERETRACE_ENABLED /* 0x01 */ + if( sqlite3WhereTrace & 0x01 ){ + sqlite3DebugPrintf( + "STAT4 determines term has low selectivity:\n"); + sqlite3WhereTermPrint(pTerm, 999); + } +#endif + pTerm->wtFlags |= TERM_HIGHTRUTH; + if( pTerm->wtFlags & TERM_HEURTRUTH ){ + /* If the term has previously been used with an assumption of + ** higher selectivity, then set the flag to rerun the + ** loop computations. */ + pBuilder->bldFlags2 |= SQLITE_BLDF2_2NDPASS; + } + } if( pNew->nOut>saved_nOut ) pNew->nOut = saved_nOut; pNew->nOut -= nIn; } @@ -143945,8 +148306,8 @@ static int whereLoopAddBtreeIndex( { pNew->nOut += (pProbe->aiRowLogEst[nEq] - pProbe->aiRowLogEst[nEq-1]); if( eOp & WO_ISNULL ){ - /* TUNING: If there is no likelihood() value, assume that a - ** "col IS NULL" expression matches twice as many rows + /* TUNING: If there is no likelihood() value, assume that a + ** "col IS NULL" expression matches twice as many rows ** as (col=?). */ pNew->nOut += 10; } @@ -143999,18 +148360,20 @@ static int whereLoopAddBtreeIndex( /* Consider using a skip-scan if there are no WHERE clause constraints ** available for the left-most terms of the index, and if the average - ** number of repeats in the left-most terms is at least 18. + ** number of repeats in the left-most terms is at least 18. ** ** The magic number 18 is selected on the basis that scanning 17 rows ** is almost always quicker than an index seek (even though if the index ** contains fewer than 2^17 rows we assume otherwise in other parts of - ** the code). And, even if it is not, it should not be too much slower. + ** the code). And, even if it is not, it should not be too much slower. ** On the other hand, the extra seeks could end up being significantly ** more expensive. */ assert( 42==sqlite3LogEst(18) ); if( saved_nEq==saved_nSkip && saved_nEq+1<pProbe->nKeyCol + && saved_nEq==pNew->nLTerm && pProbe->noSkipScan==0 + && pProbe->hasStat1!=0 && OptimizationEnabled(db, SQLITE_SkipScan) && pProbe->aiRowLogEst[saved_nEq+1]>=42 /* TUNING: Minimum for skip-scan */ && (rc = whereLoopResize(db, pNew, pNew->nLTerm+1))==SQLITE_OK @@ -144078,21 +148441,26 @@ static int indexMightHelpWithOrderBy( /* Check to see if a partial index with pPartIndexWhere can be used ** in the current query. Return true if it can be and false if not. */ -static int whereUsablePartialIndex(int iTab, WhereClause *pWC, Expr *pWhere){ +static int whereUsablePartialIndex( + int iTab, /* The table for which we want an index */ + int isLeft, /* True if iTab is the right table of a LEFT JOIN */ + WhereClause *pWC, /* The WHERE clause of the query */ + Expr *pWhere /* The WHERE clause from the partial index */ +){ int i; WhereTerm *pTerm; Parse *pParse = pWC->pWInfo->pParse; while( pWhere->op==TK_AND ){ - if( !whereUsablePartialIndex(iTab,pWC,pWhere->pLeft) ) return 0; + if( !whereUsablePartialIndex(iTab,isLeft,pWC,pWhere->pLeft) ) return 0; pWhere = pWhere->pRight; } if( pParse->db->flags & SQLITE_EnableQPSG ) pParse = 0; for(i=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ Expr *pExpr; - if( pTerm->wtFlags & TERM_NOPARTIDX ) continue; pExpr = pTerm->pExpr; if( (!ExprHasProperty(pExpr, EP_FromJoin) || pExpr->iRightJoinTable==iTab) - && sqlite3ExprImpliesExpr(pParse, pExpr, pWhere, iTab) + && (isLeft==0 || ExprHasProperty(pExpr, EP_FromJoin)) + && sqlite3ExprImpliesExpr(pParse, pExpr, pWhere, iTab) ){ return 1; } @@ -144114,18 +148482,18 @@ static int whereUsablePartialIndex(int iTab, WhereClause *pWC, Expr *pWhere){ ** cost = nRow * K // scan of covering index ** cost = nRow * (K+3.0) // scan of non-covering index ** -** where K is a value between 1.1 and 3.0 set based on the relative +** where K is a value between 1.1 and 3.0 set based on the relative ** estimated average size of the index and table records. ** ** For an index scan, where nVisit is the number of index rows visited -** by the scan, and nSeek is the number of seek operations required on +** by the scan, and nSeek is the number of seek operations required on ** the index b-tree: ** ** cost = nSeek * (log(nRow) + K * nVisit) // covering index ** cost = nSeek * (log(nRow) + (K+3.0) * nVisit) // non-covering index ** -** Normally, nSeek is 1. nSeek values greater than 1 come about if the -** WHERE clause includes "x IN (....)" terms used in place of "x=?". Or when +** Normally, nSeek is 1. nSeek values greater than 1 come about if the +** WHERE clause includes "x IN (....)" terms used in place of "x=?". Or when ** implicit "x IN (SELECT x FROM tbl)" terms are added for skip-scans. ** ** The estimated values (nRow, nVisit, nSeek) often contain a large amount @@ -144155,7 +148523,7 @@ static int whereLoopAddBtree( LogEst rLogSize; /* Logarithm of the number of rows in the table */ WhereClause *pWC; /* The parsed WHERE clause */ Table *pTab; /* Table being queried */ - + pNew = pBuilder->pNew; pWInfo = pBuilder->pWInfo; pTabList = pWInfo->pTabList; @@ -144249,13 +148617,16 @@ static int whereLoopAddBtree( } #endif /* SQLITE_OMIT_AUTOMATIC_INDEX */ - /* Loop over all indices. If there was an INDEXED BY clause, then only + /* Loop over all indices. If there was an INDEXED BY clause, then only ** consider index pProbe. */ - for(; rc==SQLITE_OK && pProbe; + for(; rc==SQLITE_OK && pProbe; pProbe=(pSrc->pIBIndex ? 0 : pProbe->pNext), iSortIdx++ ){ + int isLeft = (pSrc->fg.jointype & JT_OUTER)!=0; if( pProbe->pPartIdxWhere!=0 - && !whereUsablePartialIndex(pSrc->iCursor, pWC, pProbe->pPartIdxWhere) ){ + && !whereUsablePartialIndex(pSrc->iCursor, isLeft, pWC, + pProbe->pPartIdxWhere) + ){ testcase( pNew->iTab!=pSrc->iCursor ); /* See ticket [98d973b8f5] */ continue; /* Partial index inappropriate for this query */ } @@ -144272,6 +148643,7 @@ static int whereLoopAddBtree( pNew->nOut = rSize; pNew->u.btree.pIndex = pProbe; b = indexMightHelpWithOrderBy(pBuilder, pProbe, pSrc->iCursor); + /* The ONEPASS_DESIRED flags never occurs together with ORDER BY */ assert( (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 || b==0 ); if( pProbe->idxType==SQLITE_IDXTYPE_IPK ){ @@ -144301,6 +148673,7 @@ static int whereLoopAddBtree( if( b || !HasRowid(pTab) || pProbe->pPartIdxWhere!=0 + || pSrc->fg.isIndexedBy || ( m==0 && pProbe->bUnordered==0 && (pProbe->szIdxRow<pTab->szTabRow) @@ -144339,7 +148712,7 @@ static int whereLoopAddBtree( if( pTerm->eOperator & (WO_EQ|WO_IS) ) nLookup -= 19; } } - + pNew->rRun = sqlite3LogEstAdd(pNew->rRun, nLookup); } ApplyCostMultiplier(pNew->rRun, pTab->costMult); @@ -144350,9 +148723,9 @@ static int whereLoopAddBtree( } } - pBuilder->bldFlags = 0; + pBuilder->bldFlags1 = 0; rc = whereLoopAddBtreeIndex(pBuilder, pSrc, pProbe, 0); - if( pBuilder->bldFlags==SQLITE_BLDF_INDEXED ){ + if( pBuilder->bldFlags1==SQLITE_BLDF1_INDEXED ){ /* If a non-unique index is used, or if a prefix of the key for ** unique index is used (making the index functionally non-unique) ** then the sqlite_stat1 data becomes important for scoring the @@ -144414,13 +148787,13 @@ static int whereLoopAddVirtualOne( *pbIn = 0; pNew->prereq = mPrereq; - /* Set the usable flag on the subset of constraints identified by + /* Set the usable flag on the subset of constraints identified by ** arguments mUsable and mExclude. */ pIdxCons = *(struct sqlite3_index_constraint**)&pIdxInfo->aConstraint; for(i=0; i<nConstraint; i++, pIdxCons++){ WhereTerm *pTerm = &pWC->a[pIdxCons->iTermOffset]; pIdxCons->usable = 0; - if( (pTerm->prereqRight & mUsable)==pTerm->prereqRight + if( (pTerm->prereqRight & mUsable)==pTerm->prereqRight && (pTerm->eOperator & mExclude)==0 ){ pIdxCons->usable = 1; @@ -144482,7 +148855,14 @@ static int whereLoopAddVirtualOne( if( iTerm>mxTerm ) mxTerm = iTerm; testcase( iTerm==15 ); testcase( iTerm==16 ); - if( iTerm<16 && pUsage[i].omit ) pNew->u.vtab.omitMask |= 1<<iTerm; + if( pUsage[i].omit ){ + if( i<16 && ((1<<i)&mNoOmit)==0 ){ + testcase( i!=iTerm ); + pNew->u.vtab.omitMask |= 1<<iTerm; + }else{ + testcase( i!=iTerm ); + } + } if( (pTerm->eOperator & WO_IN)!=0 ){ /* A virtual table that is constrained by an IN clause may not ** consume the ORDER BY clause because (1) the order of IN terms @@ -144495,7 +148875,6 @@ static int whereLoopAddVirtualOne( } } } - pNew->u.vtab.omitMask &= ~mNoOmit; pNew->nLTerm = mxTerm+1; for(i=0; i<=mxTerm; i++){ @@ -144552,7 +148931,7 @@ SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info *pIdxInfo, int int iTerm = pIdxInfo->aConstraint[iCons].iTermOffset; Expr *pX = pHidden->pWC->a[iTerm].pExpr; if( pX->pLeft ){ - pC = sqlite3BinaryCompareCollSeq(pHidden->pParse, pX->pLeft, pX->pRight); + pC = sqlite3ExprCompareCollSeq(pHidden->pParse, pX); } zRet = (pC ? pC->zName : sqlite3StrBINARY); } @@ -144568,8 +148947,8 @@ SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info *pIdxInfo, int ** entries that occur before the virtual table in the FROM clause and are ** separated from it by at least one LEFT or CROSS JOIN. Similarly, the ** mUnusable mask contains all FROM clause entries that occur after the -** virtual table and are separated from it by at least one LEFT or -** CROSS JOIN. +** virtual table and are separated from it by at least one LEFT or +** CROSS JOIN. ** ** For example, if the query were: ** @@ -144577,9 +148956,9 @@ SQLITE_API const char *sqlite3_vtab_collation(sqlite3_index_info *pIdxInfo, int ** ** then mPrereq corresponds to (t1, t2) and mUnusable to (t5, t6). ** -** All the tables in mPrereq must be scanned before the current virtual -** table. So any terms for which all prerequisites are satisfied by -** mPrereq may be specified as "usable" in all calls to xBestIndex. +** All the tables in mPrereq must be scanned before the current virtual +** table. So any terms for which all prerequisites are satisfied by +** mPrereq may be specified as "usable" in all calls to xBestIndex. ** Conversely, all tables in mUnusable must be scanned after the current ** virtual table, so any terms for which the prerequisites overlap with ** mUnusable should always be configured as "not-usable" for xBestIndex. @@ -144608,7 +148987,7 @@ static int whereLoopAddVirtual( pNew = pBuilder->pNew; pSrc = &pWInfo->pTabList->a[pNew->iTab]; assert( IsVirtual(pSrc->pTab) ); - p = allocateIndexInfo(pParse, pWC, mUnusable, pSrc, pBuilder->pOrderBy, + p = allocateIndexInfo(pParse, pWC, mUnusable, pSrc, pBuilder->pOrderBy, &mNoOmit); if( p==0 ) return SQLITE_NOMEM_BKPT; pNew->rSetup = 0; @@ -144628,7 +149007,7 @@ static int whereLoopAddVirtual( /* If the call to xBestIndex() with all terms enabled produced a plan ** that does not require any source tables (IOW: a plan with mBest==0) - ** and does not use an IN(...) operator, then there is no point in making + ** and does not use an IN(...) operator, then there is no point in making ** any further calls to xBestIndex() since they will all return the same ** result (if the xBestIndex() implementation is sane). */ if( rc==SQLITE_OK && ((mBest = (pNew->prereq & ~mPrereq))!=0 || bIn) ){ @@ -144651,7 +149030,7 @@ static int whereLoopAddVirtual( } } - /* Call xBestIndex once for each distinct value of (prereqRight & ~mPrereq) + /* Call xBestIndex once for each distinct value of (prereqRight & ~mPrereq) ** in the set of terms that apply to the current virtual table. */ while( rc==SQLITE_OK ){ int i; @@ -144708,8 +149087,8 @@ static int whereLoopAddVirtual( ** btrees or virtual tables. */ static int whereLoopAddOr( - WhereLoopBuilder *pBuilder, - Bitmask mPrereq, + WhereLoopBuilder *pBuilder, + Bitmask mPrereq, Bitmask mUnusable ){ WhereInfo *pWInfo = pBuilder->pWInfo; @@ -144722,7 +149101,7 @@ static int whereLoopAddOr( WhereLoopBuilder sSubBuild; WhereOrSet sSum, sCur; struct SrcList_item *pItem; - + pWC = pBuilder->pWC; pWCEnd = pWC->a + pWC->nTerm; pNew = pBuilder->pNew; @@ -144732,14 +149111,14 @@ static int whereLoopAddOr( for(pTerm=pWC->a; pTerm<pWCEnd && rc==SQLITE_OK; pTerm++){ if( (pTerm->eOperator & WO_OR)!=0 - && (pTerm->u.pOrInfo->indexable & pNew->maskSelf)!=0 + && (pTerm->u.pOrInfo->indexable & pNew->maskSelf)!=0 ){ WhereClause * const pOrWC = &pTerm->u.pOrInfo->wc; WhereTerm * const pOrWCEnd = &pOrWC->a[pOrWC->nTerm]; WhereTerm *pOrTerm; int once = 1; int i, j; - + sSubBuild = *pBuilder; sSubBuild.pOrderBy = 0; sSubBuild.pOrSet = &sCur; @@ -144760,7 +149139,7 @@ static int whereLoopAddOr( } sCur.n = 0; #ifdef WHERETRACE_ENABLED - WHERETRACE(0x200, ("OR-term %d of %p has %d subterms:\n", + WHERETRACE(0x200, ("OR-term %d of %p has %d subterms:\n", (int)(pOrTerm-pOrWC->a), pTerm, sSubBuild.pWC->nTerm)); if( sqlite3WhereTrace & 0x400 ){ sqlite3WhereClausePrint(sSubBuild.pWC); @@ -144777,7 +149156,8 @@ static int whereLoopAddOr( if( rc==SQLITE_OK ){ rc = whereLoopAddOr(&sSubBuild, mPrereq, mUnusable); } - assert( rc==SQLITE_OK || sCur.n==0 ); + assert( rc==SQLITE_OK || rc==SQLITE_DONE || sCur.n==0 ); + testcase( rc==SQLITE_DONE ); if( sCur.n==0 ){ sSum.n = 0; break; @@ -144807,8 +149187,8 @@ static int whereLoopAddOr( /* TUNING: Currently sSum.a[i].rRun is set to the sum of the costs ** of all sub-scans required by the OR-scan. However, due to rounding ** errors, it may be that the cost of the OR-scan is equal to its - ** most expensive sub-scan. Add the smallest possible penalty - ** (equivalent to multiplying the cost by 1.07) to ensure that + ** most expensive sub-scan. Add the smallest possible penalty + ** (equivalent to multiplying the cost by 1.07) to ensure that ** this does not happen. Otherwise, for WHERE clauses such as the ** following where there is an index on "y": ** @@ -144828,7 +149208,7 @@ static int whereLoopAddOr( } /* -** Add all WhereLoop objects for all tables +** Add all WhereLoop objects for all tables */ static int whereLoopAddAll(WhereLoopBuilder *pBuilder){ WhereInfo *pWInfo = pBuilder->pWInfo; @@ -144841,7 +149221,6 @@ static int whereLoopAddAll(WhereLoopBuilder *pBuilder){ sqlite3 *db = pWInfo->pParse->db; int rc = SQLITE_OK; WhereLoop *pNew; - u8 priorJointype = 0; /* Loop over the tables in the join, from left to right */ pNew = pBuilder->pNew; @@ -144852,12 +149231,13 @@ static int whereLoopAddAll(WhereLoopBuilder *pBuilder){ pNew->iTab = iTab; pBuilder->iPlanLimit += SQLITE_QUERY_PLANNER_LIMIT_INCR; pNew->maskSelf = sqlite3WhereGetMask(&pWInfo->sMaskSet, pItem->iCursor); - if( ((pItem->fg.jointype|priorJointype) & (JT_LEFT|JT_CROSS))!=0 ){ + if( (pItem->fg.jointype & (JT_LEFT|JT_CROSS))!=0 ){ /* This condition is true when pItem is the FROM clause term on the ** right-hand-side of a LEFT or CROSS JOIN. */ mPrereq = mPrior; + }else{ + mPrereq = 0; } - priorJointype = pItem->fg.jointype; #ifndef SQLITE_OMIT_VIRTUALTABLE if( IsVirtual(pItem->pTab) ){ struct SrcList_item *p; @@ -144895,17 +149275,17 @@ static int whereLoopAddAll(WhereLoopBuilder *pBuilder){ ** Examine a WherePath (with the addition of the extra WhereLoop of the 6th ** parameters) to see if it outputs rows in the requested ORDER BY ** (or GROUP BY) without requiring a separate sort operation. Return N: -** +** ** N>0: N terms of the ORDER BY clause are satisfied ** N==0: No terms of the ORDER BY clause are satisfied -** N<0: Unknown yet how many terms of ORDER BY might be satisfied. +** N<0: Unknown yet how many terms of ORDER BY might be satisfied. ** ** Note that processing for WHERE_GROUPBY and WHERE_DISTINCTBY is not as ** strict. With GROUP BY and DISTINCT the only requirement is that ** equivalent rows appear immediately adjacent to one another. GROUP BY ** and DISTINCT do not require rows to appear in any particular order as long ** as equivalent rows are grouped together. Thus for GROUP BY and DISTINCT -** the pOrderBy terms can be matched in any order. With ORDER BY, the +** the pOrderBy terms can be matched in any order. With ORDER BY, the ** pOrderBy terms must be matched in strict left-to-right order. */ static i8 wherePathSatisfiesOrderBy( @@ -144955,7 +149335,7 @@ static i8 wherePathSatisfiesOrderBy( ** row of the WhereLoop. Every one-row WhereLoop is automatically ** order-distinct. A WhereLoop that has no columns in the ORDER BY clause ** is not order-distinct. To be order-distinct is not quite the same as being - ** UNIQUE since a UNIQUE column or index can have multiple rows that + ** UNIQUE since a UNIQUE column or index can have multiple rows that ** are NULL and NULL values are equivalent for the purpose of order-distinct. ** To be order-distinct, the columns must be UNIQUE and NOT NULL. ** @@ -144975,7 +149355,9 @@ static i8 wherePathSatisfiesOrderBy( orderDistinctMask = 0; ready = 0; eqOpMask = WO_EQ | WO_IS | WO_ISNULL; - if( wctrlFlags & WHERE_ORDERBY_LIMIT ) eqOpMask |= WO_IN; + if( wctrlFlags & (WHERE_ORDERBY_LIMIT|WHERE_ORDERBY_MAX|WHERE_ORDERBY_MIN) ){ + eqOpMask |= WO_IN; + } for(iLoop=0; isOrderDistinct && obSat<obDone && iLoop<=nLoop; iLoop++){ if( iLoop>0 ) ready |= pLoop->maskSelf; if( iLoop<nLoop ){ @@ -144985,7 +149367,9 @@ static i8 wherePathSatisfiesOrderBy( pLoop = pLast; } if( pLoop->wsFlags & WHERE_VIRTUALTABLE ){ - if( pLoop->u.vtab.isOrdered ) obSat = obDone; + if( pLoop->u.vtab.isOrdered && (wctrlFlags & WHERE_DISTINCTBY)==0 ){ + obSat = obDone; + } break; }else if( wctrlFlags & WHERE_DISTINCTBY ){ pLoop->u.btree.nDistinctCol = 0; @@ -145006,16 +149390,20 @@ static i8 wherePathSatisfiesOrderBy( ~ready, eqOpMask, 0); if( pTerm==0 ) continue; if( pTerm->eOperator==WO_IN ){ - /* IN terms are only valid for sorting in the ORDER BY LIMIT + /* IN terms are only valid for sorting in the ORDER BY LIMIT ** optimization, and then only if they are actually used ** by the query plan */ - assert( wctrlFlags & WHERE_ORDERBY_LIMIT ); + assert( wctrlFlags & + (WHERE_ORDERBY_LIMIT|WHERE_ORDERBY_MIN|WHERE_ORDERBY_MAX) ); for(j=0; j<pLoop->nLTerm && pTerm!=pLoop->aLTerm[j]; j++){} if( j>=pLoop->nLTerm ) continue; } if( (pTerm->eOperator&(WO_EQ|WO_IS))!=0 && pOBExpr->iColumn>=0 ){ - if( sqlite3ExprCollSeqMatch(pWInfo->pParse, - pOrderBy->a[i].pExpr, pTerm->pExpr)==0 ){ + Parse *pParse = pWInfo->pParse; + CollSeq *pColl1 = sqlite3ExprNNCollSeq(pParse, pOrderBy->a[i].pExpr); + CollSeq *pColl2 = sqlite3ExprCompareCollSeq(pParse, pTerm->pExpr); + assert( pColl1 ); + if( pColl2==0 || sqlite3StrICmp(pColl1->zName, pColl2->zName) ){ continue; } testcase( pTerm->pExpr->op==TK_IS ); @@ -145048,7 +149436,7 @@ static i8 wherePathSatisfiesOrderBy( for(j=0; j<nColumn; j++){ u8 bOnce = 1; /* True to run the ORDER BY search loop */ - assert( j>=pLoop->u.btree.nEq + assert( j>=pLoop->u.btree.nEq || (pLoop->aLTerm[j]==0)==(j<pLoop->nSkip) ); if( j<pLoop->u.btree.nEq && j>=pLoop->nSkip ){ @@ -145060,7 +149448,7 @@ static i8 wherePathSatisfiesOrderBy( ** the loop need to be marked as not order-distinct because it can ** have repeated NULL rows. ** - ** If the current term is a column of an ((?,?) IN (SELECT...)) + ** If the current term is a column of an ((?,?) IN (SELECT...)) ** expression for which the SELECT returns more than one column, ** check that it is the only column used by this loop. Otherwise, ** if it is one of two or more, none of the columns can be @@ -145073,7 +149461,7 @@ static i8 wherePathSatisfiesOrderBy( testcase( isOrderDistinct ); isOrderDistinct = 0; } - continue; + continue; }else if( ALWAYS(eOp & WO_IN) ){ /* ALWAYS() justification: eOp is an equality operator due to the ** j<pLoop->u.btree.nEq constraint above. Any equality other @@ -145114,7 +149502,7 @@ static i8 wherePathSatisfiesOrderBy( } /* Find the ORDER BY term that corresponds to the j-th column - ** of the index and mark that ORDER BY term off + ** of the index and mark that ORDER BY term off */ isMatch = 0; for(i=0; bOnce && i<nOrderBy; i++){ @@ -145254,7 +149642,7 @@ static const char *wherePathName(WherePath *pPath, int nLoop, WhereLoop *pLast){ #endif /* -** Return the cost of sorting nRow rows, assuming that the keys have +** Return the cost of sorting nRow rows, assuming that the keys have ** nOrderby columns and that the first nSorted columns are already in ** order. */ @@ -145264,13 +149652,13 @@ static LogEst whereSortingCost( int nOrderBy, int nSorted ){ - /* TUNING: Estimated cost of a full external sort, where N is + /* TUNING: Estimated cost of a full external sort, where N is ** the number of rows to sort is: ** ** cost = (3.0 * N * log(N)). - ** - ** Or, if the order-by clause has X terms but only the last Y - ** terms are out of order, then block-sorting will reduce the + ** + ** Or, if the order-by clause has X terms but only the last Y + ** terms are out of order, then block-sorting will reduce the ** sorting cost to: ** ** cost = (3.0 * N * log(N)) * (Y/X) @@ -145363,7 +149751,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ ** space for the aSortCost[] array. Each element of the aSortCost array ** is either zero - meaning it has not yet been initialized - or the ** cost of sorting nRowEst rows of data where the first X terms of - ** the ORDER BY clause are already in order, where X is the array + ** the ORDER BY clause are already in order, where X is the array ** index. */ aSortCost = (LogEst*)pX; memset(aSortCost, 0, sizeof(LogEst) * nOrderBy); @@ -145384,7 +149772,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ ** in this case the query may return a maximum of one row, the results ** are already in the requested order. Set isOrdered to nOrderBy to ** indicate this. Or, if nLoop is greater than zero, set isOrdered to - ** -1, indicating that the result set may or may not be ordered, + ** -1, indicating that the result set may or may not be ordered, ** depending on the loops added to the current plan. */ aFrom[0].isOrdered = nLoop>0 ? -1 : nOrderBy; } @@ -145414,7 +149802,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ continue; } - /* At this point, pWLoop is a candidate to be the next loop. + /* At this point, pWLoop is a candidate to be the next loop. ** Compute its cost */ rUnsorted = sqlite3LogEstAdd(pWLoop->rSetup,pWLoop->rRun + pFrom->nRow); rUnsorted = sqlite3LogEstAdd(rUnsorted, pFrom->rUnsorted); @@ -145441,7 +149829,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ WHERETRACE(0x002, ("---- sort cost=%-3d (%d/%d) increases cost %3d to %-3d\n", - aSortCost[isOrdered], (nOrderBy-isOrdered), nOrderBy, + aSortCost[isOrdered], (nOrderBy-isOrdered), nOrderBy, rUnsorted, rCost)); }else{ rCost = rUnsorted; @@ -145506,11 +149894,11 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ ** same set of loops and has the same isOrdered setting as the ** candidate path. Check to see if the candidate should replace ** pTo or if the candidate should be skipped. - ** + ** ** The conditional is an expanded vector comparison equivalent to: ** (pTo->rCost,pTo->nRow,pTo->rUnsorted) <= (rCost,nOut,rUnsorted) */ - if( pTo->rCost<rCost + if( pTo->rCost<rCost || (pTo->rCost==rCost && (pTo->nRow<nOut || (pTo->nRow==nOut && pTo->rUnsorted<=rUnsorted) @@ -145561,8 +149949,8 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ mxCost = aTo[0].rCost; mxUnsorted = aTo[0].nRow; for(jj=1, pTo=&aTo[1]; jj<mxChoice; jj++, pTo++){ - if( pTo->rCost>mxCost - || (pTo->rCost==mxCost && pTo->rUnsorted>mxUnsorted) + if( pTo->rCost>mxCost + || (pTo->rCost==mxCost && pTo->rUnsorted>mxUnsorted) ){ mxCost = pTo->rCost; mxUnsorted = pTo->rUnsorted; @@ -145601,7 +149989,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ sqlite3DbFreeNN(db, pSpace); return SQLITE_ERROR; } - + /* Find the lowest cost path. pFrom will be left pointing to that path */ pFrom = aFrom; for(ii=1; ii<nFrom; ii++){ @@ -145640,7 +150028,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ pWInfo->nOBSat = 0; if( nLoop>0 ){ u32 wsFlags = pFrom->aLoop[nLoop-1]->wsFlags; - if( (wsFlags & WHERE_ONEROW)==0 + if( (wsFlags & WHERE_ONEROW)==0 && (wsFlags&(WHERE_IPK|WHERE_COLUMN_IN))!=(WHERE_IPK|WHERE_COLUMN_IN) ){ Bitmask m = 0; @@ -145654,13 +150042,18 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ } } } + }else if( nLoop + && pWInfo->nOBSat==1 + && (pWInfo->wctrlFlags & (WHERE_ORDERBY_MIN|WHERE_ORDERBY_MAX))!=0 + ){ + pWInfo->bOrderedInnerLoop = 1; } } if( (pWInfo->wctrlFlags & WHERE_SORTBYGROUP) && pWInfo->nOBSat==pWInfo->pOrderBy->nExpr && nLoop>0 ){ Bitmask revMask = 0; - int nOrder = wherePathSatisfiesOrderBy(pWInfo, pWInfo->pOrderBy, + int nOrder = wherePathSatisfiesOrderBy(pWInfo, pWInfo->pOrderBy, pFrom, 0, nLoop-1, pFrom->aLoop[nLoop-1], &revMask ); assert( pWInfo->sorted==0 ); @@ -145687,7 +150080,7 @@ static int wherePathSolver(WhereInfo *pWInfo, LogEst nRowEst){ ** times for the common case. ** ** Return non-zero on success, if this query can be handled by this -** no-frills query planner. Return zero if this query needs the +** no-frills query planner. Return zero if this query needs the ** general-purpose query planner. */ static int whereShortCut(WhereLoopBuilder *pBuilder){ @@ -145727,8 +150120,8 @@ static int whereShortCut(WhereLoopBuilder *pBuilder){ int opMask; assert( pLoop->aLTermSpace==pLoop->aLTerm ); if( !IsUniqueIndex(pIdx) - || pIdx->pPartIdxWhere!=0 - || pIdx->nKeyCol>ArraySize(pLoop->aLTermSpace) + || pIdx->pPartIdxWhere!=0 + || pIdx->nKeyCol>ArraySize(pLoop->aLTermSpace) ) continue; opMask = pIdx->uniqNotNull ? (WO_EQ|WO_IS) : WO_EQ; for(j=0; j<pIdx->nKeyCol; j++){ @@ -145781,8 +150174,8 @@ static int exprNodeIsDeterministic(Walker *pWalker, Expr *pExpr){ } /* -** Return true if the expression contains no non-deterministic SQL -** functions. Do not consider non-deterministic SQL functions that are +** Return true if the expression contains no non-deterministic SQL +** functions. Do not consider non-deterministic SQL functions that are ** part of sub-select statements. */ static int exprIsDeterministic(Expr *p){ @@ -145795,6 +150188,28 @@ static int exprIsDeterministic(Expr *p){ return w.eCode; } + +#ifdef WHERETRACE_ENABLED +/* +** Display all WhereLoops in pWInfo +*/ +static void showAllWhereLoops(WhereInfo *pWInfo, WhereClause *pWC){ + if( sqlite3WhereTrace ){ /* Display all of the WhereLoop objects */ + WhereLoop *p; + int i; + static const char zLabel[] = "0123456789abcdefghijklmnopqrstuvwyxz" + "ABCDEFGHIJKLMNOPQRSTUVWYXZ"; + for(p=pWInfo->pLoops, i=0; p; p=p->pNextLoop, i++){ + p->cId = zLabel[i%(sizeof(zLabel)-1)]; + sqlite3WhereLoopPrint(p, pWC); + } + } +} +# define WHERETRACE_ALL_LOOPS(W,C) showAllWhereLoops(W,C) +#else +# define WHERETRACE_ALL_LOOPS(W,C) +#endif + /* ** Generate the beginning of the loop used for WHERE clause processing. ** The return value is a pointer to an opaque structure that contains @@ -145875,7 +150290,7 @@ static int exprIsDeterministic(Expr *p){ ** if there is one. If there is no ORDER BY clause or if this routine ** is called from an UPDATE or DELETE statement, then pOrderBy is NULL. ** -** The iIdxCur parameter is the cursor number of an index. If +** The iIdxCur parameter is the cursor number of an index. If ** WHERE_OR_SUBCLAUSE is set, iIdxCur is the cursor number of an index ** to use for OR clause processing. The WHERE clause should use this ** specific cursor. If WHERE_ONEPASS_DESIRED is set, then iIdxCur is @@ -145908,8 +150323,8 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( u8 bFordelete = 0; /* OPFLAG_FORDELETE or zero, as appropriate */ assert( (wctrlFlags & WHERE_ONEPASS_MULTIROW)==0 || ( - (wctrlFlags & WHERE_ONEPASS_DESIRED)!=0 - && (wctrlFlags & WHERE_OR_SUBCLAUSE)==0 + (wctrlFlags & WHERE_ONEPASS_DESIRED)!=0 + && (wctrlFlags & WHERE_OR_SUBCLAUSE)==0 )); /* Only one of WHERE_OR_SUBCLAUSE or WHERE_USE_LIMIT */ @@ -145932,7 +150347,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } /* The number of tables in the FROM clause is limited by the number of - ** bits in a Bitmask + ** bits in a Bitmask */ testcase( pTabList->nSrc==BMS ); if( pTabList->nSrc>BMS ){ @@ -145940,7 +150355,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( return 0; } - /* This function normally generates a nested loop for all tables in + /* This function normally generates a nested loop for all tables in ** pTabList. But if the WHERE_OR_SUBCLAUSE flag is set, then we should ** only generate code for the first table in pTabList and assume that ** any cursors associated with subsequent tables are uninitialized. @@ -145972,7 +150387,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( pWInfo->wctrlFlags = wctrlFlags; pWInfo->iLimit = iAuxArg; pWInfo->savedNQueryLoop = pParse->nQueryLoop; - memset(&pWInfo->nOBSat, 0, + memset(&pWInfo->nOBSat, 0, offsetof(WhereInfo,sWC) - offsetof(WhereInfo,nOBSat)); memset(&pWInfo->a[0], 0, sizeof(WhereLoop)+nTabList*sizeof(WhereLevel)); assert( pWInfo->eOnePass==ONEPASS_OFF ); /* ONEPASS defaults to OFF */ @@ -145992,7 +150407,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( initMaskSet(pMaskSet); sqlite3WhereClauseInit(&pWInfo->sWC, pWInfo); sqlite3WhereSplit(&pWInfo->sWC, pWhere, TK_AND); - + /* Special case: No FROM clause */ if( nTabList==0 ){ @@ -146032,14 +150447,14 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } #endif } - + /* Analyze all of the subexpressions. */ sqlite3WhereExprAnalyze(pTabList, &pWInfo->sWC); if( db->mallocFailed ) goto whereBeginError; /* Special case: WHERE terms that do not refer to any tables in the join ** (constant expressions). Evaluate each such term, and jump over all the - ** generated code if the result is not true. + ** generated code if the result is not true. ** ** Do not do this if the expression contains non-deterministic functions ** that are not within a sub-select. This is not strictly required, but @@ -146088,6 +150503,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } } if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */ + sqlite3DebugPrintf("---- WHERE clause at start of analysis:\n"); sqlite3WhereClausePrint(sWLB.pWC); } #endif @@ -146095,20 +150511,29 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( if( nTabList!=1 || whereShortCut(&sWLB)==0 ){ rc = whereLoopAddAll(&sWLB); if( rc ) goto whereBeginError; - -#ifdef WHERETRACE_ENABLED - if( sqlite3WhereTrace ){ /* Display all of the WhereLoop objects */ - WhereLoop *p; - int i; - static const char zLabel[] = "0123456789abcdefghijklmnopqrstuvwyxz" - "ABCDEFGHIJKLMNOPQRSTUVWYXZ"; - for(p=pWInfo->pLoops, i=0; p; p=p->pNextLoop, i++){ - p->cId = zLabel[i%(sizeof(zLabel)-1)]; - whereLoopPrint(p, sWLB.pWC); - } - } -#endif - + +#ifdef SQLITE_ENABLE_STAT4 + /* If one or more WhereTerm.truthProb values were used in estimating + ** loop parameters, but then those truthProb values were subsequently + ** changed based on STAT4 information while computing subsequent loops, + ** then we need to rerun the whole loop building process so that all + ** loops will be built using the revised truthProb values. */ + if( sWLB.bldFlags2 & SQLITE_BLDF2_2NDPASS ){ + WHERETRACE_ALL_LOOPS(pWInfo, sWLB.pWC); + WHERETRACE(0xffff, + ("**** Redo all loop computations due to" + " TERM_HIGHTRUTH changes ****\n")); + while( pWInfo->pLoops ){ + WhereLoop *p = pWInfo->pLoops; + pWInfo->pLoops = p->pNextLoop; + whereLoopDelete(db, p); + } + rc = whereLoopAddAll(&sWLB); + if( rc ) goto whereBeginError; + } +#endif + WHERETRACE_ALL_LOOPS(pWInfo, sWLB.pWC); + wherePathSolver(pWInfo, 0); if( db->mallocFailed ) goto whereBeginError; if( pWInfo->pOrderBy ){ @@ -146144,7 +150569,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( } sqlite3DebugPrintf("\n"); for(ii=0; ii<pWInfo->nLevel; ii++){ - whereLoopPrint(pWInfo->a[ii].pWLoop, sWLB.pWC); + sqlite3WhereLoopPrint(pWInfo->a[ii].pWLoop, sWLB.pWC); } } #endif @@ -146155,7 +150580,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** 1) The query must not be an aggregate. ** 2) The table must be the RHS of a LEFT JOIN. ** 3) Either the query must be DISTINCT, or else the ON or USING clause - ** must contain a constraint that limits the scan of the table to + ** must contain a constraint that limits the scan of the table to ** at most a single row. ** 4) The table must not be referenced by any part of the query apart ** from its own USING or ON clause. @@ -146168,15 +150593,15 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( ** ** then table t2 can be omitted from the following: ** - ** SELECT v1, v3 FROM t1 - ** LEFT JOIN t2 USING (t1.ipk=t2.ipk) - ** LEFT JOIN t3 USING (t1.ipk=t3.ipk) + ** SELECT v1, v3 FROM t1 + ** LEFT JOIN t2 ON (t1.ipk=t2.ipk) + ** LEFT JOIN t3 ON (t1.ipk=t3.ipk) ** ** or from: ** - ** SELECT DISTINCT v1, v3 FROM t1 + ** SELECT DISTINCT v1, v3 FROM t1 ** LEFT JOIN t2 - ** LEFT JOIN t3 USING (t1.ipk=t3.ipk) + ** LEFT JOIN t3 ON (t1.ipk=t3.ipk) */ notReady = ~(Bitmask)0; if( pWInfo->nLevel>=2 @@ -146226,7 +150651,13 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( nTabList--; } } +#if defined(WHERETRACE_ENABLED) + if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */ + sqlite3DebugPrintf("---- WHERE clause at end of analysis:\n"); + sqlite3WhereClausePrint(sWLB.pWC); + } WHERETRACE(0xffff,("*** Optimizer Finished ***\n")); +#endif pWInfo->pParse->nQueryLoop += pWInfo->nRowOut; /* If the caller is an UPDATE or DELETE statement that is requesting @@ -146303,7 +150734,13 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( assert( pTabItem->iCursor==pLevel->iTabCur ); testcase( pWInfo->eOnePass==ONEPASS_OFF && pTab->nCol==BMS-1 ); testcase( pWInfo->eOnePass==ONEPASS_OFF && pTab->nCol==BMS ); - if( pWInfo->eOnePass==ONEPASS_OFF && pTab->nCol<BMS && HasRowid(pTab) ){ + if( pWInfo->eOnePass==ONEPASS_OFF + && pTab->nCol<BMS + && (pTab->tabFlags & (TF_HasGenerated|TF_WithoutRowid))==0 + ){ + /* If we know that only a prefix of the record will be used, + ** it is advantageous to reduce the "column count" field in + ** the P4 operand of the OP_OpenRead/Write opcode. */ Bitmask b = pTabItem->colUsed; int n = 0; for(; b; b=b>>1, n++){} @@ -146366,7 +150803,7 @@ SQLITE_PRIVATE WhereInfo *sqlite3WhereBegin( && (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)==0 && pWInfo->eDistinct!=WHERE_DISTINCT_ORDERED ){ - sqlite3VdbeChangeP5(v, OPFLAG_SEEKEQ); /* Hint to COMDB2 */ + sqlite3VdbeChangeP5(v, OPFLAG_SEEKEQ); } VdbeComment((v, "%s", pIx->zName)); #ifdef SQLITE_ENABLE_COLUMN_USED_MASK @@ -146452,7 +150889,7 @@ whereBeginError: #endif /* -** Generate the end of the WHERE loop. See comments on +** Generate the end of the WHERE loop. See comments on ** sqlite3WhereBegin() for additional information. */ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ @@ -146524,10 +150961,27 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ if( pIn->eEndLoopOp!=OP_Noop ){ if( pIn->nPrefix ){ assert( pLoop->wsFlags & WHERE_IN_EARLYOUT ); - sqlite3VdbeAddOp4Int(v, OP_IfNoHope, pLevel->iIdxCur, - sqlite3VdbeCurrentAddr(v)+2, - pIn->iBase, pIn->nPrefix); - VdbeCoverage(v); + if( pLevel->iLeftJoin ){ + /* For LEFT JOIN queries, cursor pIn->iCur may not have been + ** opened yet. This occurs for WHERE clauses such as + ** "a = ? AND b IN (...)", where the index is on (a, b). If + ** the RHS of the (a=?) is NULL, then the "b IN (...)" may + ** never have been coded, but the body of the loop run to + ** return the null-row. So, if the cursor is not open yet, + ** jump over the OP_Next or OP_Prev instruction about to + ** be coded. */ + sqlite3VdbeAddOp2(v, OP_IfNotOpen, pIn->iCur, + sqlite3VdbeCurrentAddr(v) + 2 + + ((pLoop->wsFlags & WHERE_VIRTUALTABLE)==0) + ); + VdbeCoverage(v); + } + if( (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 ){ + sqlite3VdbeAddOp4Int(v, OP_IfNoHope, pLevel->iIdxCur, + sqlite3VdbeCurrentAddr(v)+2, + pIn->iBase, pIn->nPrefix); + VdbeCoverage(v); + } } sqlite3VdbeAddOp2(v, pIn->eEndLoopOp, pIn->iCur, pIn->addrInTop); VdbeCoverage(v); @@ -146559,8 +151013,8 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ assert( pLevel->iTabCur==pTabList->a[pLevel->iFrom].iCursor ); sqlite3VdbeAddOp1(v, OP_NullRow, pLevel->iTabCur); } - if( (ws & WHERE_INDEXED) - || ((ws & WHERE_MULTI_OR) && pLevel->u.pCovidx) + if( (ws & WHERE_INDEXED) + || ((ws & WHERE_MULTI_OR) && pLevel->u.pCovidx) ){ sqlite3VdbeAddOp1(v, OP_NullRow, pLevel->iIdxCur); } @@ -146616,7 +151070,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ sqlite3VdbeAddOp1(v, OP_Close, pTabItem->iCursor); } if( (ws & WHERE_INDEXED)!=0 - && (ws & (WHERE_IPK|WHERE_AUTO_INDEX))==0 + && (ws & (WHERE_IPK|WHERE_AUTO_INDEX))==0 && pLevel->iIdxCur!=pWInfo->aiCurOnePass[1] ){ sqlite3VdbeAddOp1(v, OP_Close, pLevel->iIdxCur); @@ -146628,7 +151082,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** from the index instead of from the table where possible. In some cases ** this optimization prevents the table from ever being read, which can ** yield a significant performance boost. - ** + ** ** Calls to the code generator in between sqlite3WhereBegin and ** sqlite3WhereEnd will have created code that references the table ** directly. This loop scans all that code looking for opcodes @@ -146665,14 +151119,17 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ Index *pPk = sqlite3PrimaryKeyIndex(pTab); x = pPk->aiColumn[x]; assert( x>=0 ); + }else{ + testcase( x!=sqlite3StorageColumnToTable(pTab,x) ); + x = sqlite3StorageColumnToTable(pTab,x); } - x = sqlite3ColumnOfIndex(pIdx, x); + x = sqlite3TableColumnToIndex(pIdx, x); if( x>=0 ){ pOp->p2 = x; pOp->p1 = pLevel->iIdxCur; OpcodeRewriteTrace(db, k, pOp); } - assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || x>=0 + assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || x>=0 || pWInfo->eOnePass ); }else if( pOp->opcode==OP_Rowid ){ pOp->p1 = pLevel->iIdxCur; @@ -146689,6 +151146,14 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ } } + /* Undo all Expr node modifications */ + while( pWInfo->pExprMods ){ + WhereExprMod *p = pWInfo->pExprMods; + pWInfo->pExprMods = p->pNext; + memcpy(p->pExpr, &p->orig, sizeof(p->orig)); + sqlite3DbFree(db, p); + } + /* Final cleanup */ pParse->nQueryLoop = pWInfo->savedNQueryLoop; @@ -146740,12 +151205,12 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** (in this case max()) to process rows sorted in order of (c, d), which ** makes things easier for obvious reasons. More generally: ** -** * FROM, WHERE, GROUP BY and HAVING clauses are all moved to +** * FROM, WHERE, GROUP BY and HAVING clauses are all moved to ** the sub-query. ** ** * ORDER BY, LIMIT and OFFSET remain part of the parent query. ** -** * Terminals from each of the expression trees that make up the +** * Terminals from each of the expression trees that make up the ** select-list and ORDER BY expressions in the parent query are ** selected by the sub-query. For the purposes of the transformation, ** terminals are column references and aggregate functions. @@ -146754,14 +151219,14 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** the same window declaration (the OVER bit), then a single scan may ** be used to process more than one window function. For example: ** -** SELECT max(b) OVER (PARTITION BY c ORDER BY d), -** min(e) OVER (PARTITION BY c ORDER BY d) +** SELECT max(b) OVER (PARTITION BY c ORDER BY d), +** min(e) OVER (PARTITION BY c ORDER BY d) ** FROM t1; ** ** is transformed in the same way as the example above. However: ** -** SELECT max(b) OVER (PARTITION BY c ORDER BY d), -** min(e) OVER (PARTITION BY a ORDER BY b) +** SELECT max(b) OVER (PARTITION BY c ORDER BY d), +** min(e) OVER (PARTITION BY a ORDER BY b) ** FROM t1; ** ** Must be transformed to: @@ -146814,15 +151279,15 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** first_value(expr) ** last_value(expr) ** nth_value(expr, N) -** -** These are the same built-in window functions supported by Postgres. +** +** These are the same built-in window functions supported by Postgres. ** Although the behaviour of aggregate window functions (functions that ** can be used as either aggregates or window funtions) allows them to ** be implemented using an API, built-in window functions are much more -** esoteric. Additionally, some window functions (e.g. nth_value()) +** esoteric. Additionally, some window functions (e.g. nth_value()) ** may only be implemented by caching the entire partition in memory. ** As such, some built-in window functions use the same API as aggregate -** window functions and some are implemented directly using VDBE +** window functions and some are implemented directly using VDBE ** instructions. Additionally, for those functions that use the API, the ** window frame is sometimes modified before the SELECT statement is ** rewritten. For example, regardless of the specified window frame, the @@ -146834,7 +151299,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** ** As well as some of the built-in window functions, aggregate window ** functions min() and max() are implemented using VDBE instructions if -** the start of the window frame is declared as anything other than +** the start of the window frame is declared as anything other than ** UNBOUNDED PRECEDING. */ @@ -146845,7 +151310,7 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){ ** ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW */ static void row_numberStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -146873,10 +151338,10 @@ struct CallCount { ** Implementation of built-in window function dense_rank(). Assumes that ** the window frame has been set to: ** -** RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW +** RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW */ static void dense_rankStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -146908,7 +151373,7 @@ struct NthValueCtx { sqlite3_value *pValue; }; static void nth_valueStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -146961,7 +151426,7 @@ static void nth_valueFinalizeFunc(sqlite3_context *pCtx){ #define nth_valueValueFunc noopValueFunc static void first_valueStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -146992,10 +151457,10 @@ static void first_valueFinalizeFunc(sqlite3_context *pCtx){ ** Implementation of built-in window function rank(). Assumes that ** the window frame has been set to: ** -** RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW +** RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW */ static void rankStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147026,7 +151491,7 @@ static void rankValueFunc(sqlite3_context *pCtx){ ** GROUPS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING */ static void percent_rankStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147039,7 +151504,7 @@ static void percent_rankStepFunc( } } static void percent_rankInvFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147071,7 +151536,7 @@ static void percent_rankValueFunc(sqlite3_context *pCtx){ ** GROUPS BETWEEN 1 FOLLOWING AND UNBOUNDED FOLLOWING */ static void cume_distStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147084,7 +151549,7 @@ static void cume_distStepFunc( } } static void cume_distInvFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147120,7 +151585,7 @@ struct NtileCtx { ** ROWS CURRENT ROW AND UNBOUNDED FOLLOWING */ static void ntileStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147140,7 +151605,7 @@ static void ntileStepFunc( } } static void ntileInvFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147186,7 +151651,7 @@ struct LastValueCtx { ** Implementation of last_value(). */ static void last_valueStepFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147204,7 +151669,7 @@ static void last_valueStepFunc( } } static void last_valueInvFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nArg, sqlite3_value **apArg ){ @@ -147357,7 +151822,7 @@ static Window *windowFind(Parse *pParse, Window *pList, const char *zName){ ** of this file), pWin is updated here. */ SQLITE_PRIVATE void sqlite3WindowUpdate( - Parse *pParse, + Parse *pParse, Window *pList, /* List of named windows for this SELECT */ Window *pWin, /* Window frame to update */ FuncDef *pFunc /* Window function definition */ @@ -147377,17 +151842,17 @@ SQLITE_PRIVATE void sqlite3WindowUpdate( sqlite3WindowChain(pParse, pWin, pList); } if( (pWin->eFrmType==TK_RANGE) - && (pWin->pStart || pWin->pEnd) + && (pWin->pStart || pWin->pEnd) && (pWin->pOrderBy==0 || pWin->pOrderBy->nExpr!=1) ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "RANGE with offset PRECEDING/FOLLOWING requires one ORDER BY expression" ); }else if( pFunc->funcFlags & SQLITE_FUNC_WINDOW ){ sqlite3 *db = pParse->db; if( pWin->pFilter ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "FILTER clause may only be used with aggregate window functions" ); }else{ @@ -147397,14 +151862,14 @@ SQLITE_PRIVATE void sqlite3WindowUpdate( int eStart; int eEnd; } aUp[] = { - { row_numberName, TK_ROWS, TK_UNBOUNDED, TK_CURRENT }, - { dense_rankName, TK_RANGE, TK_UNBOUNDED, TK_CURRENT }, - { rankName, TK_RANGE, TK_UNBOUNDED, TK_CURRENT }, - { percent_rankName, TK_GROUPS, TK_CURRENT, TK_UNBOUNDED }, - { cume_distName, TK_GROUPS, TK_FOLLOWING, TK_UNBOUNDED }, - { ntileName, TK_ROWS, TK_CURRENT, TK_UNBOUNDED }, - { leadName, TK_ROWS, TK_UNBOUNDED, TK_UNBOUNDED }, - { lagName, TK_ROWS, TK_UNBOUNDED, TK_CURRENT }, + { row_numberName, TK_ROWS, TK_UNBOUNDED, TK_CURRENT }, + { dense_rankName, TK_RANGE, TK_UNBOUNDED, TK_CURRENT }, + { rankName, TK_RANGE, TK_UNBOUNDED, TK_CURRENT }, + { percent_rankName, TK_GROUPS, TK_CURRENT, TK_UNBOUNDED }, + { cume_distName, TK_GROUPS, TK_FOLLOWING, TK_UNBOUNDED }, + { ntileName, TK_ROWS, TK_CURRENT, TK_UNBOUNDED }, + { leadName, TK_ROWS, TK_UNBOUNDED, TK_UNBOUNDED }, + { lagName, TK_ROWS, TK_UNBOUNDED, TK_CURRENT }, }; int i; for(i=0; i<ArraySize(aUp); i++){ @@ -147442,7 +151907,7 @@ struct WindowRewrite { /* ** Callback function used by selectWindowRewriteEList(). If necessary, -** this function appends to the output expression-list and updates +** this function appends to the output expression-list and updates ** expression (*ppExpr) in place. */ static int selectWindowRewriteExprCb(Walker *pWalker, Expr *pExpr){ @@ -147483,13 +151948,27 @@ static int selectWindowRewriteExprCb(Walker *pWalker, Expr *pExpr){ } } } - /* Fall through. */ + /* no break */ deliberate_fall_through case TK_AGG_FUNCTION: case TK_COLUMN: { - Expr *pDup = sqlite3ExprDup(pParse->db, pExpr, 0); - p->pSub = sqlite3ExprListAppend(pParse, p->pSub, pDup); + int iCol = -1; + if( p->pSub ){ + int i; + for(i=0; i<p->pSub->nExpr; i++){ + if( 0==sqlite3ExprCompare(0, p->pSub->a[i].pExpr, pExpr, -1) ){ + iCol = i; + break; + } + } + } + if( iCol<0 ){ + Expr *pDup = sqlite3ExprDup(pParse->db, pExpr, 0); + if( pDup && pDup->op==TK_AGG_FUNCTION ) pDup->op = TK_FUNCTION; + p->pSub = sqlite3ExprListAppend(pParse, p->pSub, pDup); + } if( p->pSub ){ + int f = pExpr->flags & EP_Collate; assert( ExprHasProperty(pExpr, EP_Static)==0 ); ExprSetProperty(pExpr, EP_Static); sqlite3ExprDelete(pParse->db, pExpr); @@ -147497,11 +151976,12 @@ static int selectWindowRewriteExprCb(Walker *pWalker, Expr *pExpr){ memset(pExpr, 0, sizeof(Expr)); pExpr->op = TK_COLUMN; - pExpr->iColumn = p->pSub->nExpr-1; + pExpr->iColumn = (iCol<0 ? p->pSub->nExpr-1: iCol); pExpr->iTable = p->pWin->iEphCsr; pExpr->y.pTab = p->pTab; + pExpr->flags = f; } - + if( pParse->db->mallocFailed ) return WRC_Abort; break; } @@ -147530,16 +152010,16 @@ static int selectWindowRewriteSelectCb(Walker *pWalker, Select *pSelect){ ** ** * TK_COLUMN, ** * aggregate function, or -** * window function with a Window object that is not a member of the +** * window function with a Window object that is not a member of the ** Window list passed as the second argument (pWin). ** ** Append the node to output expression-list (*ppSub). And replace it -** with a TK_COLUMN that reads the (N-1)th element of table +** with a TK_COLUMN that reads the (N-1)th element of table ** pWin->iEphCsr, where N is the number of elements in (*ppSub) after ** appending the new one. */ static void selectWindowRewriteEList( - Parse *pParse, + Parse *pParse, Window *pWin, SrcList *pSrc, ExprList *pEList, /* Rewrite expressions in this list */ @@ -147583,9 +152063,18 @@ static ExprList *exprListAppendList( int nInit = pList ? pList->nExpr : 0; for(i=0; i<pAppend->nExpr; i++){ Expr *pDup = sqlite3ExprDup(pParse->db, pAppend->a[i].pExpr, 0); - if( bIntToNull && pDup && pDup->op==TK_INTEGER ){ - pDup->op = TK_NULL; - pDup->flags &= ~(EP_IntValue|EP_IsTrue|EP_IsFalse); + assert( pDup==0 || !ExprHasProperty(pDup, EP_MemToken) ); + if( bIntToNull && pDup ){ + int iDummy; + Expr *pSub; + for(pSub=pDup; ExprHasProperty(pSub, EP_Skip); pSub=pSub->pLeft){ + assert( pSub ); + } + if( sqlite3ExprIsInteger(pSub, &iDummy) ){ + pSub->op = TK_NULL; + pSub->flags &= ~(EP_IntValue|EP_IsTrue|EP_IsFalse); + pSub->u.zToken = 0; + } } pList = sqlite3ExprListAppend(pParse, pList, pDup); if( pList ) pList->a[nInit+i].sortFlags = pAppend->a[i].sortFlags; @@ -147595,15 +152084,32 @@ static ExprList *exprListAppendList( } /* +** When rewriting a query, if the new subquery in the FROM clause +** contains TK_AGG_FUNCTION nodes that refer to an outer query, +** then we have to increase the Expr->op2 values of those nodes +** due to the extra subquery layer that was added. +** +** See also the incrAggDepth() routine in resolve.c +*/ +static int sqlite3WindowExtraAggFuncDepth(Walker *pWalker, Expr *pExpr){ + if( pExpr->op==TK_AGG_FUNCTION + && pExpr->op2>=pWalker->walkerDepth + ){ + pExpr->op2++; + } + return WRC_Continue; +} + +/* ** If the SELECT statement passed as the second argument does not invoke -** any SQL window functions, this function is a no-op. Otherwise, it +** any SQL window functions, this function is a no-op. Otherwise, it ** rewrites the SELECT statement so that window function xStep functions ** are invoked in the correct order as described under "SELECT REWRITING" ** at the top of this file. */ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ int rc = SQLITE_OK; - if( p->pWin && p->pPrior==0 ){ + if( p->pWin && p->pPrior==0 && (p->selFlags & SF_WinRewrite)==0 ){ Vdbe *v = sqlite3GetVdbe(pParse); sqlite3 *db = pParse->db; Select *pSub = 0; /* The subquery */ @@ -147614,25 +152120,31 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ ExprList *pSort = 0; ExprList *pSublist = 0; /* Expression list for sub-query */ - Window *pMWin = p->pWin; /* Master window object */ + Window *pMWin = p->pWin; /* Main window object */ Window *pWin; /* Window object iterator */ Table *pTab; + Walker w; + + u32 selFlags = p->selFlags; pTab = sqlite3DbMallocZero(db, sizeof(Table)); if( pTab==0 ){ - return SQLITE_NOMEM; + return sqlite3ErrorToParser(db, SQLITE_NOMEM); } + sqlite3AggInfoPersistWalkerInit(&w, pParse); + sqlite3WalkSelect(&w, p); p->pSrc = 0; p->pWhere = 0; p->pGroupBy = 0; p->pHaving = 0; p->selFlags &= ~SF_Aggregate; + p->selFlags |= SF_WinRewrite; /* Create the ORDER BY clause for the sub-select. This is the concatenation ** of the window PARTITION and ORDER BY clauses. Then, if this makes it ** redundant, remove the ORDER BY from the parent SELECT. */ - pSort = sqlite3ExprListDup(db, pMWin->pPartition, 0); + pSort = exprListAppendList(pParse, 0, pMWin->pPartition, 1); pSort = exprListAppendList(pParse, pSort, pMWin->pOrderBy, 1); if( pSort && p->pOrderBy && p->pOrderBy->nExpr<=pSort->nExpr ){ int nSave = pSort->nExpr; @@ -147654,8 +152166,8 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ selectWindowRewriteEList(pParse, pMWin, pSrc, p->pOrderBy, pTab, &pSublist); pMWin->nBufferCol = (pSublist ? pSublist->nExpr : 0); - /* Append the PARTITION BY and ORDER BY expressions to the to the - ** sub-select expression list. They are required to figure out where + /* Append the PARTITION BY and ORDER BY expressions to the to the + ** sub-select expression list. They are required to figure out where ** boundaries for partitions and sets of peer rows lie. */ pSublist = exprListAppendList(pParse, pSublist, pMWin->pPartition, 0); pSublist = exprListAppendList(pParse, pSublist, pMWin->pOrderBy, 0); @@ -147686,11 +152198,11 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ /* If there is no ORDER BY or PARTITION BY clause, and the window ** function accepts zero arguments, and there are no other columns ** selected (e.g. "SELECT row_number() OVER () FROM t1"), it is possible - ** that pSublist is still NULL here. Add a constant expression here to - ** keep everything legal in this case. + ** that pSublist is still NULL here. Add a constant expression here to + ** keep everything legal in this case. */ if( pSublist==0 ){ - pSublist = sqlite3ExprListAppend(pParse, 0, + pSublist = sqlite3ExprListAppend(pParse, 0, sqlite3Expr(db, TK_INTEGER, "0") ); } @@ -147698,6 +152210,9 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ pSub = sqlite3SelectNew( pParse, pSublist, pSrc, pWhere, pGroupBy, pHaving, pSort, 0, 0 ); + SELECTTRACE(1,pParse,pSub, + ("New window-function subquery in FROM clause of (%u/%p)\n", + p->selId, p)); p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); if( p->pSrc ){ Table *pTab2; @@ -147705,18 +152220,23 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ sqlite3SrcListAssignCursors(pParse, p->pSrc); pSub->selFlags |= SF_Expanded; pTab2 = sqlite3ResultSetOfSelect(pParse, pSub, SQLITE_AFF_NONE); + pSub->selFlags |= (selFlags & SF_Aggregate); if( pTab2==0 ){ + /* Might actually be some other kind of error, but in that case + ** pParse->nErr will be set, so if SQLITE_NOMEM is set, we will get + ** the correct error message regardless. */ rc = SQLITE_NOMEM; }else{ memcpy(pTab, pTab2, sizeof(Table)); pTab->tabFlags |= TF_Ephemeral; p->pSrc->a[0].pTab = pTab; pTab = pTab2; + memset(&w, 0, sizeof(w)); + w.xExprCallback = sqlite3WindowExtraAggFuncDepth; + w.xSelectCallback = sqlite3WalkerDepthIncrease; + w.xSelectCallback2 = sqlite3WalkerDepthDecrease; + sqlite3WalkSelect(&w, pSub); } - sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pMWin->iEphCsr, pSublist->nExpr); - sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+1, pMWin->iEphCsr); - sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+2, pMWin->iEphCsr); - sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+3, pMWin->iEphCsr); }else{ sqlite3SelectDelete(db, pSub); } @@ -147724,6 +152244,12 @@ SQLITE_PRIVATE int sqlite3WindowRewrite(Parse *pParse, Select *p){ sqlite3DbFree(db, pTab); } + if( rc ){ + if( pParse->nErr==0 ){ + assert( pParse->db->mallocFailed ); + sqlite3ErrorToParser(pParse->db, SQLITE_NOMEM); + } + } return rc; } @@ -147859,10 +152385,10 @@ windowAllocErr: ** equivalent nul-terminated string. */ SQLITE_PRIVATE Window *sqlite3WindowAssemble( - Parse *pParse, - Window *pWin, - ExprList *pPartition, - ExprList *pOrderBy, + Parse *pParse, + Window *pWin, + ExprList *pPartition, + ExprList *pOrderBy, Token *pBase ){ if( pWin ){ @@ -147900,7 +152426,7 @@ SQLITE_PRIVATE void sqlite3WindowChain(Parse *pParse, Window *pWin, Window *pLis zErr = "frame specification"; } if( zErr ){ - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "cannot override %s of window: %s", zErr, pWin->zBase ); }else{ @@ -147943,8 +152469,8 @@ SQLITE_PRIVATE void sqlite3WindowAttach(Parse *pParse, Expr *p, Window *pWin){ ** SELECT, or (b) the windows already linked use a compatible window frame. */ SQLITE_PRIVATE void sqlite3WindowLink(Select *pSel, Window *pWin){ - if( 0==pSel->pWin - || 0==sqlite3WindowCompare(0, pSel->pWin, pWin, 0) + if( pSel!=0 + && (0==pSel->pWin || 0==sqlite3WindowCompare(0, pSel->pWin, pWin, 0)) ){ pWin->pNextWin = pSel->pWin; if( pSel->pWin ){ @@ -147956,20 +152482,29 @@ SQLITE_PRIVATE void sqlite3WindowLink(Select *pSel, Window *pWin){ } /* -** Return 0 if the two window objects are identical, or non-zero otherwise. -** Identical window objects can be processed in a single scan. +** Return 0 if the two window objects are identical, 1 if they are +** different, or 2 if it cannot be determined if the objects are identical +** or not. Identical window objects can be processed in a single scan. */ SQLITE_PRIVATE int sqlite3WindowCompare(Parse *pParse, Window *p1, Window *p2, int bFilter){ + int res; + if( NEVER(p1==0) || NEVER(p2==0) ) return 1; if( p1->eFrmType!=p2->eFrmType ) return 1; if( p1->eStart!=p2->eStart ) return 1; if( p1->eEnd!=p2->eEnd ) return 1; if( p1->eExclude!=p2->eExclude ) return 1; if( sqlite3ExprCompare(pParse, p1->pStart, p2->pStart, -1) ) return 1; if( sqlite3ExprCompare(pParse, p1->pEnd, p2->pEnd, -1) ) return 1; - if( sqlite3ExprListCompare(p1->pPartition, p2->pPartition, -1) ) return 1; - if( sqlite3ExprListCompare(p1->pOrderBy, p2->pOrderBy, -1) ) return 1; + if( (res = sqlite3ExprListCompare(p1->pPartition, p2->pPartition, -1)) ){ + return res; + } + if( (res = sqlite3ExprListCompare(p1->pOrderBy, p2->pOrderBy, -1)) ){ + return res; + } if( bFilter ){ - if( sqlite3ExprCompare(pParse, p1->pFilter, p2->pFilter, -1) ) return 1; + if( (res = sqlite3ExprCompare(pParse, p1->pFilter, p2->pFilter, -1)) ){ + return res; + } } return 0; } @@ -147980,10 +152515,17 @@ SQLITE_PRIVATE int sqlite3WindowCompare(Parse *pParse, Window *p1, Window *p2, i ** to begin iterating through the sub-query results. It is used to allocate ** and initialize registers and cursors used by sqlite3WindowCodeStep(). */ -SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse *pParse, Window *pMWin){ +SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse *pParse, Select *pSelect){ + int nEphExpr = pSelect->pSrc->a[0].pSelect->pEList->nExpr; + Window *pMWin = pSelect->pWin; Window *pWin; Vdbe *v = sqlite3GetVdbe(pParse); + sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pMWin->iEphCsr, nEphExpr); + sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+1, pMWin->iEphCsr); + sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+2, pMWin->iEphCsr); + sqlite3VdbeAddOp2(v, OP_OpenDup, pMWin->iEphCsr+3, pMWin->iEphCsr); + /* Allocate registers to use for PARTITION BY values, if any. Initialize ** said registers to NULL. */ if( pMWin->pPartition ){ @@ -148120,7 +152662,7 @@ struct WindowCsrAndReg { }; /* -** A single instance of this structure is allocated on the stack by +** A single instance of this structure is allocated on the stack by ** sqlite3WindowCodeStep() and a pointer to it passed to the various helper ** routines. This is to reduce the number of arguments required by each ** helper function. @@ -148167,7 +152709,7 @@ struct WindowCsrAndReg { ** ** Each cursor (start, current and end) consists of a VDBE cursor ** (WindowCsrAndReg.csr) and an array of registers (starting at -** WindowCodeArg.reg) that always contains a copy of the peer values +** WindowCodeArg.reg) that always contains a copy of the peer values ** read from the corresponding cursor. ** ** Depending on the window-frame in question, all three cursors may not @@ -148211,8 +152753,8 @@ static void windowReadPeerValues( } /* -** Generate VM code to invoke either xStep() (if bInverse is 0) or -** xInverse (if bInverse is non-zero) for each window function in the +** Generate VM code to invoke either xStep() (if bInverse is 0) or +** xInverse (if bInverse is non-zero) for each window function in the ** linked list starting at pMWin. Or, for built-in window functions ** that do not use the standard function API, generate the required ** inline VM code. @@ -148249,7 +152791,7 @@ static void windowAggStep( /* All OVER clauses in the same window function aggregate step must ** be the same. */ - assert( pWin==pMWin || sqlite3WindowCompare(pParse,pWin,pMWin,0)==0 ); + assert( pWin==pMWin || sqlite3WindowCompare(pParse,pWin,pMWin,0)!=1 ); for(i=0; i<nArg; i++){ if( i!=1 || pFunc->zName!=nth_valueName ){ @@ -148261,7 +152803,7 @@ static void windowAggStep( regArg = reg; if( pMWin->regStartRowid==0 - && (pFunc->funcFlags & SQLITE_FUNC_MINMAX) + && (pFunc->funcFlags & SQLITE_FUNC_MINMAX) && (pWin->eStart!=TK_UNBOUNDED) ){ int addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regArg); @@ -148296,7 +152838,7 @@ static void windowAggStep( VdbeCoverage(v); sqlite3ReleaseTempReg(pParse, regTmp); } - + if( pWin->bExprArgs ){ int iStart = sqlite3VdbeCurrentAddr(v); VdbeOp *pOp, *pEnd; @@ -148318,7 +152860,7 @@ static void windowAggStep( pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr); sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ); } - sqlite3VdbeAddOp3(v, bInverse? OP_AggInverse : OP_AggStep, + sqlite3VdbeAddOp3(v, bInverse? OP_AggInverse : OP_AggStep, bInverse, regArg, pWin->regAccum); sqlite3VdbeAppendP4(v, pFunc, P4_FUNCDEF); sqlite3VdbeChangeP5(v, (u8)nArg); @@ -148351,7 +152893,7 @@ static void windowAggFinal(WindowCodeArg *p, int bFin){ for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ if( pMWin->regStartRowid==0 - && (pWin->pFunc->funcFlags & SQLITE_FUNC_MINMAX) + && (pWin->pFunc->funcFlags & SQLITE_FUNC_MINMAX) && (pWin->eStart!=TK_UNBOUNDED) ){ sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult); @@ -148507,7 +153049,7 @@ static void windowReturnOneRow(WindowCodeArg *p){ int lbl = sqlite3VdbeMakeLabel(pParse); int tmpReg = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult); - + if( pFunc->zName==nth_valueName ){ sqlite3VdbeAddOp3(v, OP_Column,pMWin->iEphCsr,pWin->iArgCol+1,tmpReg); windowCheckValue(pParse, tmpReg, 2); @@ -148529,7 +153071,7 @@ static void windowReturnOneRow(WindowCodeArg *p){ int lbl = sqlite3VdbeMakeLabel(pParse); int tmpReg = sqlite3GetTempReg(pParse); int iEph = pMWin->iEphCsr; - + if( nArg<3 ){ sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult); }else{ @@ -148546,7 +153088,7 @@ static void windowReturnOneRow(WindowCodeArg *p){ sqlite3VdbeAddOp3(v, op, tmpReg2, tmpReg, tmpReg); sqlite3ReleaseTempReg(pParse, tmpReg2); } - + sqlite3VdbeAddOp3(v, OP_SeekRowid, csr, lbl, tmpReg); VdbeCoverage(v); sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol, pWin->regResult); @@ -148571,6 +153113,7 @@ static int windowInitAccum(Parse *pParse, Window *pMWin){ Window *pWin; for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ FuncDef *pFunc = pWin->pFunc; + assert( pWin->regAccum ); sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum); nArg = MAX(nArg, windowArgCount(pWin)); if( pMWin->regStartRowid==0 ){ @@ -148591,7 +153134,7 @@ static int windowInitAccum(Parse *pParse, Window *pMWin){ return regArg; } -/* +/* ** Return true if the current frame should be cached in the ephemeral table, ** even if there are no xInverse() calls required. */ @@ -148615,9 +153158,9 @@ static int windowCacheFrame(Window *pMWin){ ** regOld and regNew are each the first register in an array of size ** pOrderBy->nExpr. This function generates code to compare the two ** arrays of registers using the collation sequences and other comparison -** parameters specified by pOrderBy. +** parameters specified by pOrderBy. ** -** If the two arrays are not equal, the contents of regNew is copied to +** If the two arrays are not equal, the contents of regNew is copied to ** regOld and control falls through. Otherwise, if the contents of the arrays ** are equal, an OP_Goto is executed. The address of the OP_Goto is returned. */ @@ -148634,7 +153177,7 @@ static void windowIfNewPeer( KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pOrderBy, 0, 0); sqlite3VdbeAddOp3(v, OP_Compare, regOld, regNew, nVal); sqlite3VdbeAppendP4(v, (void*)pKeyInfo, P4_KEYINFO); - sqlite3VdbeAddOp3(v, OP_Jump, + sqlite3VdbeAddOp3(v, OP_Jump, sqlite3VdbeCurrentAddr(v)+1, addr, sqlite3VdbeCurrentAddr(v)+1 ); VdbeCoverageEqNe(v); @@ -148668,7 +153211,7 @@ static void windowIfNewPeer( ** or subtraction is a a copy of csr1.peerVal. */ static void windowCodeRangeTest( - WindowCodeArg *p, + WindowCodeArg *p, int op, /* OP_Ge, OP_Gt, or OP_Le */ int csr1, /* Cursor number for cursor 1 */ int regVal, /* Register containing non-negative number */ @@ -148723,8 +153266,8 @@ static void windowCodeRangeTest( sqlite3VdbeAddOp3(v, arith, regVal, reg1, reg1); sqlite3VdbeJumpHere(v, addrGe); - /* If the BIGNULL flag is set for the ORDER BY, then it is required to - ** consider NULL values to be larger than all other values, instead of + /* If the BIGNULL flag is set for the ORDER BY, then it is required to + ** consider NULL values to be larger than all other values, instead of ** the usual smaller. The VDBE opcodes OP_Ge and so on do not handle this ** (and adding that capability causes a performance regression), so ** instead if the BIGNULL flag is set then cases where either reg1 or @@ -148739,23 +153282,23 @@ static void windowCodeRangeTest( ** if( op==OP_Le ) goto lbl; ** } ** - ** Additionally, if either reg1 or reg2 are NULL but the jump to lbl is + ** Additionally, if either reg1 or reg2 are NULL but the jump to lbl is ** not taken, control jumps over the comparison operator coded below this ** block. */ if( pOrderBy->a[0].sortFlags & KEYINFO_ORDER_BIGNULL ){ /* This block runs if reg1 contains a NULL. */ int addr = sqlite3VdbeAddOp1(v, OP_NotNull, reg1); VdbeCoverage(v); switch( op ){ - case OP_Ge: - sqlite3VdbeAddOp2(v, OP_Goto, 0, lbl); + case OP_Ge: + sqlite3VdbeAddOp2(v, OP_Goto, 0, lbl); break; - case OP_Gt: - sqlite3VdbeAddOp2(v, OP_NotNull, reg2, lbl); - VdbeCoverage(v); + case OP_Gt: + sqlite3VdbeAddOp2(v, OP_NotNull, reg2, lbl); + VdbeCoverage(v); break; - case OP_Le: - sqlite3VdbeAddOp2(v, OP_IsNull, reg2, lbl); - VdbeCoverage(v); + case OP_Le: + sqlite3VdbeAddOp2(v, OP_IsNull, reg2, lbl); + VdbeCoverage(v); break; default: assert( op==OP_Lt ); /* no-op */ break; } @@ -148788,7 +153331,7 @@ static void windowCodeRangeTest( /* ** Helper function for sqlite3WindowCodeStep(). Each call to this function -** generates VM code for a single RETURN_ROW, AGGSTEP or AGGINVERSE +** generates VM code for a single RETURN_ROW, AGGSTEP or AGGINVERSE ** operation. Refer to the header comment for sqlite3WindowCodeStep() for ** details. */ @@ -148847,8 +153390,8 @@ static int windowCodeOp( addrContinue = sqlite3VdbeCurrentAddr(v); /* If this is a (RANGE BETWEEN a FOLLOWING AND b FOLLOWING) or - ** (RANGE BETWEEN b PRECEDING AND a PRECEDING) frame, ensure the - ** start cursor does not advance past the end cursor within the + ** (RANGE BETWEEN b PRECEDING AND a PRECEDING) frame, ensure the + ** start cursor does not advance past the end cursor within the ** temporary table. It otherwise might, if (a>b). */ if( pMWin->eStart==pMWin->eEnd && regCountdown && pMWin->eFrmType==TK_RANGE && op==WINDOW_AGGINVERSE @@ -148949,6 +153492,10 @@ SQLITE_PRIVATE Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p){ pNew->eStart = p->eStart; pNew->eExclude = p->eExclude; pNew->regResult = p->regResult; + pNew->regAccum = p->regAccum; + pNew->iArgCol = p->iArgCol; + pNew->iEphCsr = p->iEphCsr; + pNew->bExprArgs = p->bExprArgs; pNew->pStart = sqlite3ExprDup(db, p->pStart, 0); pNew->pEnd = sqlite3ExprDup(db, p->pEnd, 0); pNew->pOwner = pOwner; @@ -148977,11 +153524,11 @@ SQLITE_PRIVATE Window *sqlite3WindowListDup(sqlite3 *db, Window *p){ } /* -** Return true if it can be determined at compile time that expression -** pExpr evaluates to a value that, when cast to an integer, is greater +** Return true if it can be determined at compile time that expression +** pExpr evaluates to a value that, when cast to an integer, is greater ** than zero. False otherwise. ** -** If an OOM error occurs, this function sets the Parse.db.mallocFailed +** If an OOM error occurs, this function sets the Parse.db.mallocFailed ** flag and returns zero. */ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ @@ -148997,11 +153544,11 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ } /* -** sqlite3WhereBegin() has already been called for the SELECT statement +** sqlite3WhereBegin() has already been called for the SELECT statement ** passed as the second argument when this function is invoked. It generates -** code to populate the Window.regResult register for each window function +** code to populate the Window.regResult register for each window function ** and invoke the sub-routine at instruction addrGosub once for each row. -** sqlite3WhereEnd() is always called before returning. +** sqlite3WhereEnd() is always called before returning. ** ** This function handles several different types of window frames, which ** require slightly different processing. The following pseudo code is @@ -149016,17 +153563,17 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ ** Gosub flush ** } ** Insert new row into eph table. -** +** ** if( first row of partition ){ ** // Rewind three cursors, all open on the eph table. ** Rewind(csrEnd); ** Rewind(csrStart); ** Rewind(csrCurrent); -** +** ** regEnd = <expr2> // FOLLOWING expression ** regStart = <expr1> // PRECEDING expression ** }else{ -** // First time this branch is taken, the eph table contains two +** // First time this branch is taken, the eph table contains two ** // rows. The first row in the partition, which all three cursors ** // currently point to, and the following row. ** AGGSTEP @@ -149055,17 +153602,17 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ ** with arguments read from the current row of cursor csrEnd, then ** step cursor csrEnd forward one row (i.e. sqlite3BtreeNext()). ** -** RETURN_ROW: return a row to the caller based on the contents of the -** current row of csrCurrent and the current state of all +** RETURN_ROW: return a row to the caller based on the contents of the +** current row of csrCurrent and the current state of all ** aggregates. Then step cursor csrCurrent forward one row. ** -** AGGINVERSE: invoke the aggregate xInverse() function for each window +** AGGINVERSE: invoke the aggregate xInverse() function for each window ** functions with arguments read from the current row of cursor ** csrStart. Then step csrStart forward one row. ** ** There are two other ROWS window frames that are handled significantly ** differently from the above - "BETWEEN <expr> PRECEDING AND <expr> PRECEDING" -** and "BETWEEN <expr> FOLLOWING AND <expr> FOLLOWING". These are special +** and "BETWEEN <expr> FOLLOWING AND <expr> FOLLOWING". These are special ** cases because they change the order in which the three cursors (csrStart, ** csrCurrent and csrEnd) iterate through the ephemeral table. Cases that ** use UNBOUNDED or CURRENT ROW are much simpler variations on one of these @@ -149215,15 +153762,15 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ ** regEnd = <expr2> ** regStart = <expr1> ** }else if( new group ){ -** ... +** ... ** } ** } ** -** 2. Instead of processing a single row, each RETURN_ROW, AGGSTEP or +** 2. Instead of processing a single row, each RETURN_ROW, AGGSTEP or ** AGGINVERSE step processes the current row of the relevant cursor and ** all subsequent rows belonging to the same group. ** -** RANGE window frames are a little different again. As for GROUPS, the +** RANGE window frames are a little different again. As for GROUPS, the ** main loop runs once per group only. And RETURN_ROW, AGGSTEP and AGGINVERSE ** deal in groups instead of rows. As for ROWS and GROUPS, there are three ** basic cases: @@ -149260,7 +153807,7 @@ static int windowExprGtZero(Parse *pParse, Expr *pExpr){ ** } ** } ** -** In the above notation, "csr.key" means the current value of the ORDER BY +** In the above notation, "csr.key" means the current value of the ORDER BY ** expression (there is only ever 1 for a RANGE that uses an <expr> FOLLOWING ** or <expr PRECEDING) read from cursor csr. ** @@ -149360,11 +153907,11 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( int regStart = 0; /* Value of <expr> PRECEDING */ int regEnd = 0; /* Value of <expr> FOLLOWING */ - assert( pMWin->eStart==TK_PRECEDING || pMWin->eStart==TK_CURRENT - || pMWin->eStart==TK_FOLLOWING || pMWin->eStart==TK_UNBOUNDED + assert( pMWin->eStart==TK_PRECEDING || pMWin->eStart==TK_CURRENT + || pMWin->eStart==TK_FOLLOWING || pMWin->eStart==TK_UNBOUNDED ); - assert( pMWin->eEnd==TK_FOLLOWING || pMWin->eEnd==TK_CURRENT - || pMWin->eEnd==TK_UNBOUNDED || pMWin->eEnd==TK_PRECEDING + assert( pMWin->eEnd==TK_FOLLOWING || pMWin->eEnd==TK_CURRENT + || pMWin->eEnd==TK_UNBOUNDED || pMWin->eEnd==TK_PRECEDING ); assert( pMWin->eExclude==0 || pMWin->eExclude==TK_CURRENT || pMWin->eExclude==TK_GROUP || pMWin->eExclude==TK_TIES @@ -149386,9 +153933,9 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( s.end.csr = s.current.csr+3; /* Figure out when rows may be deleted from the ephemeral table. There - ** are four options - they may never be deleted (eDelete==0), they may + ** are four options - they may never be deleted (eDelete==0), they may ** be deleted as soon as they are no longer part of the window frame - ** (eDelete==WINDOW_AGGINVERSE), they may be deleted as after the row + ** (eDelete==WINDOW_AGGINVERSE), they may be deleted as after the row ** has been returned to the caller (WINDOW_RETURN_ROW), or they may ** be deleted after they enter the frame (WINDOW_AGGSTEP). */ switch( pMWin->eStart ){ @@ -149436,7 +153983,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( } /* If this is not a "ROWS BETWEEN ..." frame, then allocate arrays of - ** registers to store copies of the ORDER BY expressions (peer values) + ** registers to store copies of the ORDER BY expressions (peer values) ** for the main loop, and for each cursor (start, current and end). */ if( pMWin->eFrmType!=TK_ROWS ){ int nPeer = (pOrderBy ? pOrderBy->nExpr : 0); @@ -149457,7 +154004,7 @@ SQLITE_PRIVATE void sqlite3WindowCodeStep( sqlite3VdbeAddOp3(v, OP_MakeRecord, regNew, nInput, regRecord); /* An input row has just been read into an array of registers starting - ** at regNew. If the window has a PARTITION clause, this block generates + ** at regNew. If the window has a PARTITION clause, this block generates ** VM code to check if the input row is the start of a new partition. ** If so, it does an OP_Gosub to an address to be filled in later. The ** address of the OP_Gosub is stored in local variable addrGosubFlush. */ @@ -149745,10 +154292,32 @@ struct FrameBound { int eType; Expr *pExpr; }; ** shared across database connections. */ static void disableLookaside(Parse *pParse){ + sqlite3 *db = pParse->db; pParse->disableLookaside++; - pParse->db->lookaside.bDisable++; + DisableLookaside; } +#if !defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) \ + && defined(SQLITE_UDL_CAPABLE_PARSER) +/* +** Issue an error message if an ORDER BY or LIMIT clause occurs on an +** UPDATE or DELETE statement. +*/ +static void updateDeleteLimitError( + Parse *pParse, + ExprList *pOrderBy, + Expr *pLimit +){ + if( pOrderBy ){ + sqlite3ErrorMsg(pParse, "syntax error near \"ORDER BY\""); + }else{ + sqlite3ErrorMsg(pParse, "syntax error near \"LIMIT\""); + } + sqlite3ExprListDelete(pParse->db, pOrderBy); + sqlite3ExprDelete(pParse->db, pLimit); +} +#endif /* SQLITE_ENABLE_UPDATE_DELETE_LIMIT */ + /* ** For a compound SELECT statement, make sure p->pPrior->pNext==p for @@ -149764,7 +154333,7 @@ static void disableLookaside(Parse *pParse){ pLoop->pNext = pNext; pLoop->selFlags |= SF_Compound; } - if( (p->selFlags & SF_MultiValue)==0 && + if( (p->selFlags & SF_MultiValue)==0 && (mxSelect = pParse->db->aLimit[SQLITE_LIMIT_COMPOUND_SELECT])>0 && cnt>mxSelect ){ @@ -149785,6 +154354,7 @@ static void disableLookaside(Parse *pParse){ p->op = (u8)op; p->affExpr = 0; p->flags = EP_Leaf; + ExprClearVVAProperties(p); p->iAgg = -1; p->pLeft = p->pRight = 0; p->x.pList = 0; @@ -149801,7 +154371,7 @@ static void disableLookaside(Parse *pParse){ } #if SQLITE_MAX_EXPR_DEPTH>0 p->nHeight = 1; -#endif +#endif if( IN_RENAME_OBJECT ){ return (Expr*)sqlite3RenameTokenMap(pParse, (void*)p, &t); } @@ -149877,7 +154447,7 @@ static void disableLookaside(Parse *pParse){ ** the minor type might be the name of the identifier. ** Each non-terminal can have a different minor type. ** Terminal symbols all have the same minor type, though. -** This macros defines the minor type for terminal +** This macros defines the minor type for terminal ** symbols. ** YYMINORTYPE is the data type used for all minor types. ** This is typically a union of many types, one of @@ -149910,28 +154480,28 @@ static void disableLookaside(Parse *pParse){ #endif /************* Begin control #defines *****************************************/ #define YYCODETYPE unsigned short int -#define YYNOCODE 307 +#define YYNOCODE 310 #define YYACTIONTYPE unsigned short int -#define YYWILDCARD 98 +#define YYWILDCARD 100 #define sqlite3ParserTOKENTYPE Token typedef union { int yyinit; sqlite3ParserTOKENTYPE yy0; - const char* yy8; - Select* yy25; - int yy32; - Expr* yy46; - struct FrameBound yy57; - u8 yy118; - ExprList* yy138; - Upsert* yy288; - With* yy297; - IdList* yy406; - Window* yy455; - struct {int value; int mask;} yy495; - TriggerStep* yy527; - struct TrigEvent yy572; - SrcList* yy609; + SrcList* yy47; + u8 yy58; + struct FrameBound yy77; + With* yy131; + int yy192; + Expr* yy202; + struct {int value; int mask;} yy207; + struct TrigEvent yy230; + ExprList* yy242; + Window* yy303; + Upsert* yy318; + const char* yy436; + TriggerStep* yy447; + Select* yy539; + IdList* yy600; } YYMINORTYPE; #ifndef YYSTACKDEPTH #define YYSTACKDEPTH 100 @@ -149947,17 +154517,18 @@ typedef union { #define sqlite3ParserCTX_FETCH Parse *pParse=yypParser->pParse; #define sqlite3ParserCTX_STORE yypParser->pParse=pParse; #define YYFALLBACK 1 -#define YYNSTATE 543 -#define YYNRULE 381 -#define YYNTOKEN 179 -#define YY_MAX_SHIFT 542 -#define YY_MIN_SHIFTREDUCE 790 -#define YY_MAX_SHIFTREDUCE 1170 -#define YY_ERROR_ACTION 1171 -#define YY_ACCEPT_ACTION 1172 -#define YY_NO_ACTION 1173 -#define YY_MIN_REDUCE 1174 -#define YY_MAX_REDUCE 1554 +#define YYNSTATE 553 +#define YYNRULE 385 +#define YYNRULE_WITH_ACTION 325 +#define YYNTOKEN 181 +#define YY_MAX_SHIFT 552 +#define YY_MIN_SHIFTREDUCE 803 +#define YY_MAX_SHIFTREDUCE 1187 +#define YY_ERROR_ACTION 1188 +#define YY_ACCEPT_ACTION 1189 +#define YY_NO_ACTION 1190 +#define YY_MIN_REDUCE 1191 +#define YY_MAX_REDUCE 1575 /************* End control #defines *******************************************/ #define YY_NLOOKAHEAD ((int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0]))) @@ -149977,7 +154548,7 @@ typedef union { /* Next are the tables used to determine what action to take based on the ** current state and lookahead token. These tables are used to implement ** functions that take a state number and lookahead value and return an -** action integer. +** action integer. ** ** Suppose the action integer is N. Then the action is determined as ** follows @@ -150024,579 +154595,592 @@ typedef union { ** yy_default[] Default action for each state. ** *********** Begin parsing tables **********************************************/ -#define YY_ACTTAB_COUNT (1913) +#define YY_ACTTAB_COUNT (1962) static const YYACTIONTYPE yy_action[] = { - /* 0 */ 537, 339, 537, 1241, 1220, 537, 12, 537, 112, 109, - /* 10 */ 209, 537, 1241, 537, 1205, 462, 112, 109, 209, 386, - /* 20 */ 338, 462, 42, 42, 42, 42, 445, 42, 42, 70, - /* 30 */ 70, 922, 1208, 70, 70, 70, 70, 1443, 403, 923, - /* 40 */ 531, 531, 531, 119, 120, 110, 1148, 1148, 991, 994, - /* 50 */ 984, 984, 117, 117, 118, 118, 118, 118, 425, 386, - /* 60 */ 1498, 542, 2, 1176, 1442, 519, 141, 1518, 289, 519, - /* 70 */ 134, 519, 95, 259, 495, 1215, 189, 1254, 518, 494, - /* 80 */ 484, 437, 296, 119, 120, 110, 1148, 1148, 991, 994, - /* 90 */ 984, 984, 117, 117, 118, 118, 118, 118, 270, 116, - /* 100 */ 116, 116, 116, 115, 115, 114, 114, 114, 113, 418, - /* 110 */ 264, 264, 264, 264, 423, 1479, 352, 1481, 123, 351, - /* 120 */ 1479, 508, 1094, 534, 1034, 534, 1099, 386, 1099, 239, - /* 130 */ 206, 112, 109, 209, 96, 1094, 376, 219, 1094, 116, - /* 140 */ 116, 116, 116, 115, 115, 114, 114, 114, 113, 418, - /* 150 */ 480, 119, 120, 110, 1148, 1148, 991, 994, 984, 984, - /* 160 */ 117, 117, 118, 118, 118, 118, 353, 422, 1407, 264, - /* 170 */ 264, 114, 114, 114, 113, 418, 883, 121, 416, 416, - /* 180 */ 416, 882, 534, 116, 116, 116, 116, 115, 115, 114, - /* 190 */ 114, 114, 113, 418, 212, 415, 414, 386, 443, 383, - /* 200 */ 382, 118, 118, 118, 118, 111, 177, 116, 116, 116, - /* 210 */ 116, 115, 115, 114, 114, 114, 113, 418, 112, 109, - /* 220 */ 209, 119, 120, 110, 1148, 1148, 991, 994, 984, 984, - /* 230 */ 117, 117, 118, 118, 118, 118, 386, 438, 312, 1163, - /* 240 */ 1155, 80, 1155, 1127, 514, 79, 116, 116, 116, 116, - /* 250 */ 115, 115, 114, 114, 114, 113, 418, 514, 428, 418, - /* 260 */ 119, 120, 110, 1148, 1148, 991, 994, 984, 984, 117, - /* 270 */ 117, 118, 118, 118, 118, 428, 427, 116, 116, 116, - /* 280 */ 116, 115, 115, 114, 114, 114, 113, 418, 115, 115, - /* 290 */ 114, 114, 114, 113, 418, 1127, 1127, 1128, 1129, 1094, - /* 300 */ 258, 258, 192, 386, 408, 371, 1168, 326, 118, 118, - /* 310 */ 118, 118, 1094, 534, 374, 1094, 116, 116, 116, 116, - /* 320 */ 115, 115, 114, 114, 114, 113, 418, 119, 120, 110, - /* 330 */ 1148, 1148, 991, 994, 984, 984, 117, 117, 118, 118, - /* 340 */ 118, 118, 386, 354, 445, 428, 829, 238, 1127, 1128, - /* 350 */ 1129, 515, 1466, 116, 116, 116, 116, 115, 115, 114, - /* 360 */ 114, 114, 113, 418, 1127, 1467, 119, 120, 110, 1148, - /* 370 */ 1148, 991, 994, 984, 984, 117, 117, 118, 118, 118, - /* 380 */ 118, 1169, 82, 116, 116, 116, 116, 115, 115, 114, - /* 390 */ 114, 114, 113, 418, 405, 112, 109, 209, 161, 445, - /* 400 */ 250, 267, 336, 478, 331, 477, 236, 951, 1127, 386, - /* 410 */ 888, 1521, 329, 822, 852, 162, 274, 1127, 1128, 1129, - /* 420 */ 338, 169, 116, 116, 116, 116, 115, 115, 114, 114, - /* 430 */ 114, 113, 418, 119, 120, 110, 1148, 1148, 991, 994, - /* 440 */ 984, 984, 117, 117, 118, 118, 118, 118, 386, 438, - /* 450 */ 312, 1502, 1112, 1176, 161, 288, 528, 311, 289, 883, - /* 460 */ 134, 1127, 1128, 1129, 882, 537, 143, 1254, 288, 528, - /* 470 */ 297, 275, 119, 120, 110, 1148, 1148, 991, 994, 984, - /* 480 */ 984, 117, 117, 118, 118, 118, 118, 70, 70, 116, - /* 490 */ 116, 116, 116, 115, 115, 114, 114, 114, 113, 418, - /* 500 */ 264, 264, 12, 264, 264, 395, 1127, 483, 1473, 1094, - /* 510 */ 204, 482, 6, 534, 1258, 386, 534, 1474, 825, 972, - /* 520 */ 504, 6, 1094, 500, 95, 1094, 534, 219, 116, 116, - /* 530 */ 116, 116, 115, 115, 114, 114, 114, 113, 418, 119, - /* 540 */ 120, 110, 1148, 1148, 991, 994, 984, 984, 117, 117, - /* 550 */ 118, 118, 118, 118, 386, 1339, 971, 422, 956, 1127, - /* 560 */ 1128, 1129, 231, 512, 1473, 475, 472, 471, 6, 113, - /* 570 */ 418, 825, 962, 298, 503, 470, 961, 452, 119, 120, - /* 580 */ 110, 1148, 1148, 991, 994, 984, 984, 117, 117, 118, - /* 590 */ 118, 118, 118, 395, 537, 116, 116, 116, 116, 115, - /* 600 */ 115, 114, 114, 114, 113, 418, 202, 961, 961, 963, - /* 610 */ 231, 971, 1127, 475, 472, 471, 13, 13, 951, 1127, - /* 620 */ 834, 386, 1207, 470, 399, 183, 447, 962, 462, 162, - /* 630 */ 397, 961, 1246, 1246, 116, 116, 116, 116, 115, 115, - /* 640 */ 114, 114, 114, 113, 418, 119, 120, 110, 1148, 1148, - /* 650 */ 991, 994, 984, 984, 117, 117, 118, 118, 118, 118, - /* 660 */ 386, 271, 961, 961, 963, 1127, 1128, 1129, 311, 433, - /* 670 */ 299, 1406, 1127, 1128, 1129, 178, 1471, 138, 162, 32, - /* 680 */ 6, 1127, 288, 528, 119, 120, 110, 1148, 1148, 991, - /* 690 */ 994, 984, 984, 117, 117, 118, 118, 118, 118, 909, - /* 700 */ 390, 116, 116, 116, 116, 115, 115, 114, 114, 114, - /* 710 */ 113, 418, 1127, 429, 817, 537, 1127, 265, 265, 981, - /* 720 */ 981, 992, 995, 324, 1055, 93, 520, 5, 338, 537, - /* 730 */ 534, 288, 528, 1522, 1127, 1128, 1129, 70, 70, 1056, - /* 740 */ 116, 116, 116, 116, 115, 115, 114, 114, 114, 113, - /* 750 */ 418, 70, 70, 1495, 1057, 537, 98, 1244, 1244, 264, - /* 760 */ 264, 908, 371, 1076, 1127, 1127, 1128, 1129, 817, 1127, - /* 770 */ 1128, 1129, 534, 519, 140, 863, 386, 13, 13, 456, - /* 780 */ 192, 193, 521, 453, 319, 864, 322, 284, 365, 430, - /* 790 */ 985, 402, 379, 1077, 1548, 101, 386, 1548, 3, 395, - /* 800 */ 119, 120, 110, 1148, 1148, 991, 994, 984, 984, 117, - /* 810 */ 117, 118, 118, 118, 118, 386, 451, 1127, 1128, 1129, - /* 820 */ 119, 120, 110, 1148, 1148, 991, 994, 984, 984, 117, - /* 830 */ 117, 118, 118, 118, 118, 1127, 1354, 1412, 1169, 119, - /* 840 */ 108, 110, 1148, 1148, 991, 994, 984, 984, 117, 117, - /* 850 */ 118, 118, 118, 118, 1412, 1414, 116, 116, 116, 116, - /* 860 */ 115, 115, 114, 114, 114, 113, 418, 272, 535, 1075, - /* 870 */ 877, 877, 337, 1492, 309, 462, 116, 116, 116, 116, - /* 880 */ 115, 115, 114, 114, 114, 113, 418, 537, 1127, 1128, - /* 890 */ 1129, 537, 360, 537, 356, 116, 116, 116, 116, 115, - /* 900 */ 115, 114, 114, 114, 113, 418, 386, 264, 264, 13, - /* 910 */ 13, 273, 1127, 13, 13, 13, 13, 304, 1253, 386, - /* 920 */ 534, 1077, 1549, 404, 1412, 1549, 496, 277, 451, 186, - /* 930 */ 1252, 120, 110, 1148, 1148, 991, 994, 984, 984, 117, - /* 940 */ 117, 118, 118, 118, 118, 110, 1148, 1148, 991, 994, - /* 950 */ 984, 984, 117, 117, 118, 118, 118, 118, 105, 529, - /* 960 */ 537, 4, 1339, 264, 264, 1127, 1128, 1129, 1039, 1039, - /* 970 */ 459, 795, 796, 797, 536, 532, 534, 242, 301, 807, - /* 980 */ 303, 462, 69, 69, 451, 1353, 116, 116, 116, 116, - /* 990 */ 115, 115, 114, 114, 114, 113, 418, 1075, 419, 116, - /* 1000 */ 116, 116, 116, 115, 115, 114, 114, 114, 113, 418, - /* 1010 */ 526, 537, 1146, 192, 350, 105, 529, 537, 4, 497, - /* 1020 */ 162, 337, 1492, 310, 1249, 385, 1550, 372, 9, 462, - /* 1030 */ 242, 400, 532, 13, 13, 499, 971, 843, 436, 70, - /* 1040 */ 70, 359, 103, 103, 8, 339, 278, 187, 278, 104, - /* 1050 */ 1127, 419, 539, 538, 1339, 419, 961, 302, 1339, 1172, - /* 1060 */ 1, 1, 542, 2, 1176, 1146, 1146, 526, 476, 289, - /* 1070 */ 30, 134, 317, 288, 528, 285, 844, 1014, 1254, 276, - /* 1080 */ 1472, 506, 410, 1194, 6, 207, 505, 961, 961, 963, - /* 1090 */ 964, 27, 449, 971, 415, 414, 234, 233, 232, 103, - /* 1100 */ 103, 31, 1152, 1127, 1128, 1129, 104, 1154, 419, 539, - /* 1110 */ 538, 264, 264, 961, 1399, 1153, 264, 264, 1470, 1146, - /* 1120 */ 537, 216, 6, 401, 534, 1197, 392, 458, 406, 534, - /* 1130 */ 537, 485, 358, 537, 261, 537, 1339, 907, 219, 1155, - /* 1140 */ 467, 1155, 50, 50, 961, 961, 963, 964, 27, 1497, - /* 1150 */ 1116, 421, 70, 70, 268, 70, 70, 13, 13, 369, - /* 1160 */ 369, 368, 253, 366, 264, 264, 804, 235, 422, 105, - /* 1170 */ 529, 516, 4, 287, 487, 510, 493, 534, 486, 213, - /* 1180 */ 1055, 294, 490, 384, 1127, 450, 532, 338, 413, 293, - /* 1190 */ 522, 417, 335, 1036, 509, 1056, 107, 1036, 16, 16, - /* 1200 */ 1469, 1094, 334, 1105, 6, 411, 1145, 264, 264, 419, - /* 1210 */ 1057, 102, 511, 100, 1094, 264, 264, 1094, 922, 215, - /* 1220 */ 534, 526, 907, 264, 264, 208, 923, 154, 534, 457, - /* 1230 */ 156, 525, 391, 142, 218, 506, 534, 1127, 1128, 1129, - /* 1240 */ 507, 139, 1131, 38, 214, 530, 392, 971, 329, 1454, - /* 1250 */ 907, 1105, 537, 103, 103, 105, 529, 537, 4, 537, - /* 1260 */ 104, 424, 419, 539, 538, 537, 502, 961, 517, 537, - /* 1270 */ 1072, 537, 532, 373, 54, 54, 288, 528, 387, 55, - /* 1280 */ 55, 15, 15, 288, 528, 17, 136, 44, 44, 1451, - /* 1290 */ 537, 56, 56, 57, 57, 419, 1131, 291, 961, 961, - /* 1300 */ 963, 964, 27, 393, 163, 537, 426, 526, 263, 206, - /* 1310 */ 208, 517, 58, 58, 235, 440, 842, 841, 197, 105, - /* 1320 */ 529, 506, 4, 1033, 439, 1033, 505, 59, 59, 308, - /* 1330 */ 849, 850, 95, 971, 537, 907, 532, 948, 832, 103, - /* 1340 */ 103, 105, 529, 537, 4, 1021, 104, 537, 419, 539, - /* 1350 */ 538, 1116, 421, 961, 537, 268, 60, 60, 532, 419, - /* 1360 */ 369, 369, 368, 253, 366, 61, 61, 804, 965, 45, - /* 1370 */ 45, 526, 537, 1032, 1277, 1032, 46, 46, 537, 391, - /* 1380 */ 213, 419, 294, 266, 961, 961, 963, 964, 27, 292, - /* 1390 */ 293, 295, 832, 526, 48, 48, 1290, 971, 1289, 1021, - /* 1400 */ 49, 49, 432, 103, 103, 887, 953, 537, 1457, 241, - /* 1410 */ 104, 305, 419, 539, 538, 925, 926, 961, 444, 971, - /* 1420 */ 215, 241, 965, 1224, 537, 103, 103, 1431, 154, 62, - /* 1430 */ 62, 156, 104, 1430, 419, 539, 538, 97, 529, 961, - /* 1440 */ 4, 537, 454, 537, 314, 214, 63, 63, 961, 961, - /* 1450 */ 963, 964, 27, 537, 532, 446, 1286, 318, 241, 537, - /* 1460 */ 321, 323, 325, 64, 64, 14, 14, 1237, 537, 1223, - /* 1470 */ 961, 961, 963, 964, 27, 65, 65, 419, 537, 387, - /* 1480 */ 537, 125, 125, 537, 288, 528, 537, 1486, 537, 526, - /* 1490 */ 66, 66, 313, 524, 537, 95, 468, 1221, 1511, 237, - /* 1500 */ 51, 51, 67, 67, 330, 68, 68, 426, 52, 52, - /* 1510 */ 149, 149, 1222, 340, 341, 971, 150, 150, 1298, 463, - /* 1520 */ 327, 103, 103, 95, 537, 1338, 1273, 537, 104, 537, - /* 1530 */ 419, 539, 538, 1284, 537, 961, 268, 283, 523, 1344, - /* 1540 */ 1204, 369, 369, 368, 253, 366, 75, 75, 804, 53, - /* 1550 */ 53, 71, 71, 537, 1196, 537, 126, 126, 537, 1017, - /* 1560 */ 537, 213, 237, 294, 537, 1185, 961, 961, 963, 964, - /* 1570 */ 27, 293, 537, 1184, 537, 72, 72, 127, 127, 1186, - /* 1580 */ 128, 128, 124, 124, 1505, 537, 148, 148, 537, 256, - /* 1590 */ 195, 537, 1270, 537, 147, 147, 132, 132, 537, 11, - /* 1600 */ 537, 215, 537, 199, 343, 345, 347, 131, 131, 154, - /* 1610 */ 129, 129, 156, 130, 130, 74, 74, 537, 370, 1323, - /* 1620 */ 76, 76, 73, 73, 43, 43, 214, 431, 211, 1331, - /* 1630 */ 300, 916, 880, 815, 241, 107, 137, 307, 881, 47, - /* 1640 */ 47, 107, 473, 378, 203, 448, 333, 1403, 1220, 1402, - /* 1650 */ 349, 190, 527, 191, 363, 198, 1508, 1163, 245, 165, - /* 1660 */ 387, 1450, 1448, 1160, 78, 288, 528, 1408, 81, 394, - /* 1670 */ 82, 442, 175, 159, 167, 93, 1328, 35, 1320, 434, - /* 1680 */ 170, 171, 172, 173, 435, 466, 221, 375, 426, 377, - /* 1690 */ 1334, 179, 455, 441, 1397, 225, 87, 36, 461, 1419, - /* 1700 */ 316, 257, 227, 184, 320, 464, 228, 479, 1187, 229, - /* 1710 */ 380, 1240, 1239, 407, 1238, 1212, 834, 332, 1231, 381, - /* 1720 */ 409, 1211, 204, 1210, 1491, 498, 1520, 1281, 92, 281, - /* 1730 */ 1230, 489, 282, 492, 342, 243, 1282, 344, 244, 1280, - /* 1740 */ 346, 412, 1279, 1477, 348, 122, 1476, 517, 10, 357, - /* 1750 */ 286, 1305, 1304, 99, 1383, 94, 501, 251, 1193, 34, - /* 1760 */ 1263, 355, 540, 194, 1262, 361, 362, 1122, 252, 254, - /* 1770 */ 255, 388, 541, 1182, 1177, 151, 1435, 389, 1436, 1434, - /* 1780 */ 1433, 791, 152, 135, 279, 200, 201, 420, 196, 77, - /* 1790 */ 153, 290, 269, 210, 1031, 133, 1029, 945, 166, 155, - /* 1800 */ 217, 168, 866, 306, 220, 1045, 174, 949, 157, 396, - /* 1810 */ 83, 398, 176, 84, 85, 164, 86, 158, 1048, 222, - /* 1820 */ 223, 1044, 144, 18, 224, 315, 1037, 180, 241, 460, - /* 1830 */ 1157, 226, 181, 37, 806, 465, 334, 230, 328, 469, - /* 1840 */ 182, 88, 474, 19, 20, 160, 89, 280, 145, 90, - /* 1850 */ 481, 845, 1110, 146, 997, 205, 1080, 39, 91, 40, - /* 1860 */ 488, 1081, 915, 491, 260, 262, 185, 910, 240, 107, - /* 1870 */ 1100, 1096, 1098, 1104, 21, 1084, 33, 513, 247, 22, - /* 1880 */ 23, 24, 1103, 25, 188, 95, 1012, 998, 996, 26, - /* 1890 */ 1000, 1054, 7, 1053, 1001, 246, 28, 41, 533, 966, - /* 1900 */ 816, 106, 29, 367, 248, 249, 1513, 1512, 364, 1117, - /* 1910 */ 1173, 1173, 876, + /* 0 */ 546, 1222, 546, 451, 1260, 546, 1239, 546, 114, 111, + /* 10 */ 211, 546, 1537, 546, 1260, 523, 114, 111, 211, 392, + /* 20 */ 1232, 344, 42, 42, 42, 42, 1225, 42, 42, 71, + /* 30 */ 71, 937, 1224, 71, 71, 71, 71, 1462, 1493, 938, + /* 40 */ 820, 453, 6, 121, 122, 112, 1165, 1165, 1006, 1009, + /* 50 */ 999, 999, 119, 119, 120, 120, 120, 120, 1543, 392, + /* 60 */ 1358, 1517, 552, 2, 1193, 194, 528, 436, 143, 291, + /* 70 */ 528, 136, 528, 371, 261, 504, 272, 385, 1273, 527, + /* 80 */ 503, 493, 164, 121, 122, 112, 1165, 1165, 1006, 1009, + /* 90 */ 999, 999, 119, 119, 120, 120, 120, 120, 1358, 442, + /* 100 */ 1514, 118, 118, 118, 118, 117, 117, 116, 116, 116, + /* 110 */ 115, 424, 266, 266, 266, 266, 1498, 358, 1500, 435, + /* 120 */ 357, 1498, 517, 524, 1485, 543, 1114, 543, 1114, 392, + /* 130 */ 405, 241, 208, 114, 111, 211, 98, 290, 537, 221, + /* 140 */ 1029, 118, 118, 118, 118, 117, 117, 116, 116, 116, + /* 150 */ 115, 424, 1142, 121, 122, 112, 1165, 1165, 1006, 1009, + /* 160 */ 999, 999, 119, 119, 120, 120, 120, 120, 406, 428, + /* 170 */ 117, 117, 116, 116, 116, 115, 424, 1418, 468, 123, + /* 180 */ 118, 118, 118, 118, 117, 117, 116, 116, 116, 115, + /* 190 */ 424, 116, 116, 116, 115, 424, 540, 540, 540, 392, + /* 200 */ 505, 120, 120, 120, 120, 113, 1051, 1142, 1143, 1144, + /* 210 */ 1051, 118, 118, 118, 118, 117, 117, 116, 116, 116, + /* 220 */ 115, 424, 1461, 121, 122, 112, 1165, 1165, 1006, 1009, + /* 230 */ 999, 999, 119, 119, 120, 120, 120, 120, 392, 444, + /* 240 */ 316, 83, 463, 81, 359, 382, 1142, 80, 118, 118, + /* 250 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 179, + /* 260 */ 434, 424, 121, 122, 112, 1165, 1165, 1006, 1009, 999, + /* 270 */ 999, 119, 119, 120, 120, 120, 120, 434, 433, 266, + /* 280 */ 266, 118, 118, 118, 118, 117, 117, 116, 116, 116, + /* 290 */ 115, 424, 543, 1109, 903, 506, 1142, 114, 111, 211, + /* 300 */ 1431, 1142, 1143, 1144, 206, 491, 1109, 392, 449, 1109, + /* 310 */ 545, 330, 120, 120, 120, 120, 298, 1431, 1433, 17, + /* 320 */ 118, 118, 118, 118, 117, 117, 116, 116, 116, 115, + /* 330 */ 424, 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, + /* 340 */ 119, 119, 120, 120, 120, 120, 392, 1358, 434, 1142, + /* 350 */ 482, 1142, 1143, 1144, 996, 996, 1007, 1010, 445, 118, + /* 360 */ 118, 118, 118, 117, 117, 116, 116, 116, 115, 424, + /* 370 */ 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, + /* 380 */ 119, 120, 120, 120, 120, 1054, 1054, 465, 1431, 118, + /* 390 */ 118, 118, 118, 117, 117, 116, 116, 116, 115, 424, + /* 400 */ 1142, 451, 546, 1426, 1142, 1143, 1144, 233, 966, 1142, + /* 410 */ 481, 478, 477, 171, 360, 392, 164, 407, 414, 842, + /* 420 */ 476, 164, 185, 334, 71, 71, 1243, 1000, 118, 118, + /* 430 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 121, + /* 440 */ 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, 119, + /* 450 */ 120, 120, 120, 120, 392, 1142, 1143, 1144, 835, 12, + /* 460 */ 314, 509, 163, 356, 1142, 1143, 1144, 114, 111, 211, + /* 470 */ 508, 290, 537, 546, 276, 180, 290, 537, 121, 122, + /* 480 */ 112, 1165, 1165, 1006, 1009, 999, 999, 119, 119, 120, + /* 490 */ 120, 120, 120, 345, 484, 71, 71, 118, 118, 118, + /* 500 */ 118, 117, 117, 116, 116, 116, 115, 424, 1142, 209, + /* 510 */ 411, 523, 1142, 1109, 1571, 378, 252, 269, 342, 487, + /* 520 */ 337, 486, 238, 392, 513, 364, 1109, 1127, 333, 1109, + /* 530 */ 191, 409, 286, 32, 457, 443, 118, 118, 118, 118, + /* 540 */ 117, 117, 116, 116, 116, 115, 424, 121, 122, 112, + /* 550 */ 1165, 1165, 1006, 1009, 999, 999, 119, 119, 120, 120, + /* 560 */ 120, 120, 392, 1142, 1143, 1144, 987, 1142, 1143, 1144, + /* 570 */ 1142, 233, 492, 1492, 481, 478, 477, 6, 163, 546, + /* 580 */ 512, 546, 115, 424, 476, 5, 121, 122, 112, 1165, + /* 590 */ 1165, 1006, 1009, 999, 999, 119, 119, 120, 120, 120, + /* 600 */ 120, 13, 13, 13, 13, 118, 118, 118, 118, 117, + /* 610 */ 117, 116, 116, 116, 115, 424, 403, 502, 408, 546, + /* 620 */ 1486, 544, 1142, 892, 892, 1142, 1143, 1144, 1473, 1142, + /* 630 */ 275, 392, 808, 809, 810, 971, 422, 422, 422, 16, + /* 640 */ 16, 55, 55, 1242, 118, 118, 118, 118, 117, 117, + /* 650 */ 116, 116, 116, 115, 424, 121, 122, 112, 1165, 1165, + /* 660 */ 1006, 1009, 999, 999, 119, 119, 120, 120, 120, 120, + /* 670 */ 392, 1189, 1, 1, 552, 2, 1193, 1142, 1143, 1144, + /* 680 */ 194, 291, 898, 136, 1142, 1143, 1144, 897, 521, 1492, + /* 690 */ 1273, 3, 380, 6, 121, 122, 112, 1165, 1165, 1006, + /* 700 */ 1009, 999, 999, 119, 119, 120, 120, 120, 120, 858, + /* 710 */ 546, 924, 546, 118, 118, 118, 118, 117, 117, 116, + /* 720 */ 116, 116, 115, 424, 266, 266, 1092, 1569, 1142, 551, + /* 730 */ 1569, 1193, 13, 13, 13, 13, 291, 543, 136, 392, + /* 740 */ 485, 421, 420, 966, 344, 1273, 468, 410, 859, 279, + /* 750 */ 140, 221, 118, 118, 118, 118, 117, 117, 116, 116, + /* 760 */ 116, 115, 424, 121, 122, 112, 1165, 1165, 1006, 1009, + /* 770 */ 999, 999, 119, 119, 120, 120, 120, 120, 546, 266, + /* 780 */ 266, 428, 392, 1142, 1143, 1144, 1172, 830, 1172, 468, + /* 790 */ 431, 145, 543, 1146, 401, 314, 439, 302, 838, 1490, + /* 800 */ 71, 71, 412, 6, 1090, 473, 221, 100, 112, 1165, + /* 810 */ 1165, 1006, 1009, 999, 999, 119, 119, 120, 120, 120, + /* 820 */ 120, 118, 118, 118, 118, 117, 117, 116, 116, 116, + /* 830 */ 115, 424, 237, 1425, 546, 451, 428, 287, 986, 546, + /* 840 */ 236, 235, 234, 830, 97, 529, 429, 1265, 1265, 1146, + /* 850 */ 494, 307, 430, 838, 977, 546, 71, 71, 976, 1241, + /* 860 */ 546, 51, 51, 300, 118, 118, 118, 118, 117, 117, + /* 870 */ 116, 116, 116, 115, 424, 194, 103, 70, 70, 266, + /* 880 */ 266, 546, 71, 71, 266, 266, 30, 391, 344, 976, + /* 890 */ 976, 978, 543, 528, 1109, 328, 392, 543, 495, 397, + /* 900 */ 1470, 195, 530, 13, 13, 1358, 240, 1109, 277, 280, + /* 910 */ 1109, 280, 304, 457, 306, 333, 392, 31, 188, 419, + /* 920 */ 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, + /* 930 */ 119, 120, 120, 120, 120, 142, 392, 365, 457, 986, + /* 940 */ 121, 122, 112, 1165, 1165, 1006, 1009, 999, 999, 119, + /* 950 */ 119, 120, 120, 120, 120, 977, 323, 1142, 326, 976, + /* 960 */ 121, 110, 112, 1165, 1165, 1006, 1009, 999, 999, 119, + /* 970 */ 119, 120, 120, 120, 120, 464, 377, 1185, 118, 118, + /* 980 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 1142, + /* 990 */ 976, 976, 978, 305, 9, 366, 244, 362, 118, 118, + /* 1000 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 313, + /* 1010 */ 546, 344, 1142, 1143, 1144, 299, 290, 537, 118, 118, + /* 1020 */ 118, 118, 117, 117, 116, 116, 116, 115, 424, 1263, + /* 1030 */ 1263, 1163, 13, 13, 278, 421, 420, 468, 392, 923, + /* 1040 */ 260, 260, 289, 1169, 1142, 1143, 1144, 189, 1171, 266, + /* 1050 */ 266, 468, 390, 543, 1186, 546, 1170, 263, 144, 489, + /* 1060 */ 922, 546, 543, 122, 112, 1165, 1165, 1006, 1009, 999, + /* 1070 */ 999, 119, 119, 120, 120, 120, 120, 71, 71, 1142, + /* 1080 */ 1172, 1272, 1172, 13, 13, 898, 1070, 1163, 546, 468, + /* 1090 */ 897, 107, 538, 1491, 4, 1268, 1109, 6, 525, 1049, + /* 1100 */ 12, 1071, 1092, 1570, 312, 455, 1570, 520, 541, 1109, + /* 1110 */ 56, 56, 1109, 1489, 423, 1358, 1072, 6, 345, 285, + /* 1120 */ 118, 118, 118, 118, 117, 117, 116, 116, 116, 115, + /* 1130 */ 424, 425, 1271, 321, 1142, 1143, 1144, 878, 266, 266, + /* 1140 */ 1277, 107, 538, 535, 4, 1488, 293, 879, 1211, 6, + /* 1150 */ 210, 543, 543, 164, 294, 496, 416, 204, 541, 267, + /* 1160 */ 267, 1214, 398, 511, 499, 204, 266, 266, 396, 531, + /* 1170 */ 8, 986, 543, 519, 546, 922, 458, 105, 105, 543, + /* 1180 */ 1090, 425, 266, 266, 106, 417, 425, 548, 547, 266, + /* 1190 */ 266, 976, 518, 535, 1373, 543, 15, 15, 266, 266, + /* 1200 */ 456, 1120, 543, 266, 266, 1070, 1372, 515, 290, 537, + /* 1210 */ 546, 543, 514, 97, 444, 316, 543, 546, 922, 125, + /* 1220 */ 1071, 986, 976, 976, 978, 979, 27, 105, 105, 401, + /* 1230 */ 343, 1511, 44, 44, 106, 1072, 425, 548, 547, 57, + /* 1240 */ 57, 976, 343, 1511, 107, 538, 546, 4, 462, 401, + /* 1250 */ 214, 1120, 459, 297, 377, 1091, 534, 1309, 546, 539, + /* 1260 */ 398, 541, 290, 537, 104, 244, 102, 526, 58, 58, + /* 1270 */ 546, 199, 976, 976, 978, 979, 27, 1516, 1131, 427, + /* 1280 */ 59, 59, 270, 237, 425, 138, 95, 375, 375, 374, + /* 1290 */ 255, 372, 60, 60, 817, 1180, 535, 546, 273, 546, + /* 1300 */ 1163, 1308, 389, 388, 546, 438, 546, 215, 210, 296, + /* 1310 */ 515, 849, 546, 265, 208, 516, 1476, 295, 274, 61, + /* 1320 */ 61, 62, 62, 308, 986, 109, 45, 45, 46, 46, + /* 1330 */ 105, 105, 1186, 922, 47, 47, 341, 106, 546, 425, + /* 1340 */ 548, 547, 1542, 546, 976, 867, 340, 217, 546, 937, + /* 1350 */ 397, 107, 538, 218, 4, 156, 1163, 938, 158, 546, + /* 1360 */ 49, 49, 1162, 546, 268, 50, 50, 546, 541, 1450, + /* 1370 */ 63, 63, 546, 1449, 216, 976, 976, 978, 979, 27, + /* 1380 */ 446, 64, 64, 546, 460, 65, 65, 546, 318, 14, + /* 1390 */ 14, 425, 1305, 546, 66, 66, 1087, 546, 141, 379, + /* 1400 */ 38, 546, 963, 535, 322, 127, 127, 546, 393, 67, + /* 1410 */ 67, 546, 325, 290, 537, 52, 52, 515, 546, 68, + /* 1420 */ 68, 845, 514, 69, 69, 399, 165, 857, 856, 53, + /* 1430 */ 53, 986, 311, 151, 151, 97, 432, 105, 105, 327, + /* 1440 */ 152, 152, 526, 1048, 106, 1048, 425, 548, 547, 1131, + /* 1450 */ 427, 976, 1032, 270, 968, 239, 329, 243, 375, 375, + /* 1460 */ 374, 255, 372, 940, 941, 817, 1296, 546, 220, 546, + /* 1470 */ 107, 538, 546, 4, 546, 1256, 199, 845, 215, 1036, + /* 1480 */ 296, 1530, 976, 976, 978, 979, 27, 541, 295, 76, + /* 1490 */ 76, 54, 54, 980, 72, 72, 128, 128, 864, 865, + /* 1500 */ 107, 538, 546, 4, 1047, 546, 1047, 533, 469, 546, + /* 1510 */ 425, 546, 450, 1240, 546, 243, 546, 541, 217, 546, + /* 1520 */ 452, 197, 535, 243, 73, 73, 156, 129, 129, 158, + /* 1530 */ 336, 130, 130, 126, 126, 1036, 150, 150, 149, 149, + /* 1540 */ 425, 134, 134, 317, 474, 216, 97, 239, 331, 980, + /* 1550 */ 986, 97, 535, 346, 347, 546, 105, 105, 902, 931, + /* 1560 */ 546, 895, 243, 106, 109, 425, 548, 547, 546, 1505, + /* 1570 */ 976, 828, 99, 538, 139, 4, 546, 133, 133, 393, + /* 1580 */ 986, 1317, 131, 131, 290, 537, 105, 105, 1357, 541, + /* 1590 */ 132, 132, 1292, 106, 1303, 425, 548, 547, 75, 75, + /* 1600 */ 976, 976, 976, 978, 979, 27, 546, 432, 896, 1289, + /* 1610 */ 532, 109, 425, 1363, 546, 1221, 1213, 1202, 258, 546, + /* 1620 */ 349, 546, 1201, 11, 535, 1203, 1524, 351, 77, 77, + /* 1630 */ 376, 976, 976, 978, 979, 27, 74, 74, 353, 213, + /* 1640 */ 301, 43, 43, 48, 48, 437, 310, 201, 303, 1350, + /* 1650 */ 315, 355, 986, 454, 479, 1239, 339, 192, 105, 105, + /* 1660 */ 1422, 1421, 193, 536, 205, 106, 1527, 425, 548, 547, + /* 1670 */ 1180, 167, 976, 270, 247, 1469, 1467, 1177, 375, 375, + /* 1680 */ 374, 255, 372, 200, 369, 817, 400, 83, 79, 82, + /* 1690 */ 1427, 448, 177, 95, 1342, 161, 169, 1339, 215, 440, + /* 1700 */ 296, 172, 173, 976, 976, 978, 979, 27, 295, 174, + /* 1710 */ 175, 441, 472, 223, 1347, 383, 35, 381, 36, 461, + /* 1720 */ 88, 1353, 181, 447, 384, 1416, 227, 467, 259, 229, + /* 1730 */ 186, 488, 470, 324, 1250, 230, 231, 320, 217, 1204, + /* 1740 */ 1438, 1259, 386, 1258, 413, 90, 156, 849, 1541, 158, + /* 1750 */ 206, 415, 1540, 507, 1300, 1257, 94, 348, 1229, 1301, + /* 1760 */ 387, 1510, 1228, 338, 1227, 216, 350, 1539, 498, 283, + /* 1770 */ 284, 1249, 501, 1299, 352, 245, 246, 418, 1298, 354, + /* 1780 */ 1496, 1495, 124, 10, 526, 363, 101, 1324, 253, 96, + /* 1790 */ 510, 1210, 34, 549, 1137, 254, 256, 257, 166, 393, + /* 1800 */ 550, 1199, 1282, 361, 290, 537, 1281, 196, 367, 368, + /* 1810 */ 1194, 153, 1454, 137, 281, 1323, 1455, 804, 154, 426, + /* 1820 */ 198, 155, 1453, 1452, 292, 212, 202, 432, 1402, 203, + /* 1830 */ 271, 135, 288, 78, 1046, 1044, 960, 168, 157, 881, + /* 1840 */ 170, 219, 309, 222, 1060, 176, 964, 159, 402, 84, + /* 1850 */ 178, 404, 85, 86, 87, 160, 1063, 224, 394, 395, + /* 1860 */ 225, 1059, 146, 18, 226, 319, 243, 1174, 466, 228, + /* 1870 */ 1052, 182, 183, 37, 819, 471, 340, 232, 332, 483, + /* 1880 */ 184, 89, 162, 19, 20, 475, 91, 480, 847, 335, + /* 1890 */ 147, 860, 282, 92, 490, 93, 1125, 148, 1012, 1095, + /* 1900 */ 39, 497, 1096, 40, 500, 262, 207, 264, 930, 187, + /* 1910 */ 925, 109, 1111, 1115, 1113, 7, 1099, 242, 33, 1119, + /* 1920 */ 21, 522, 22, 23, 24, 1118, 25, 190, 97, 26, + /* 1930 */ 1027, 1013, 1011, 1015, 1069, 1016, 1068, 249, 248, 28, + /* 1940 */ 41, 891, 981, 829, 108, 29, 250, 542, 251, 370, + /* 1950 */ 373, 1133, 1132, 1190, 1190, 1190, 1190, 1190, 1190, 1190, + /* 1960 */ 1532, 1531, }; static const YYCODETYPE yy_lookahead[] = { - /* 0 */ 187, 187, 187, 216, 217, 187, 206, 187, 264, 265, - /* 10 */ 266, 187, 225, 187, 209, 187, 264, 265, 266, 19, - /* 20 */ 187, 187, 209, 210, 209, 210, 187, 209, 210, 209, - /* 30 */ 210, 31, 209, 209, 210, 209, 210, 285, 224, 39, - /* 40 */ 203, 204, 205, 43, 44, 45, 46, 47, 48, 49, - /* 50 */ 50, 51, 52, 53, 54, 55, 56, 57, 230, 19, - /* 60 */ 181, 182, 183, 184, 230, 245, 233, 208, 189, 245, - /* 70 */ 191, 245, 26, 206, 254, 216, 276, 198, 254, 198, - /* 80 */ 254, 281, 187, 43, 44, 45, 46, 47, 48, 49, - /* 90 */ 50, 51, 52, 53, 54, 55, 56, 57, 259, 99, - /* 100 */ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 110 */ 231, 232, 231, 232, 286, 302, 303, 302, 22, 304, - /* 120 */ 302, 303, 76, 244, 11, 244, 86, 19, 88, 248, - /* 130 */ 249, 264, 265, 266, 26, 89, 198, 258, 92, 99, - /* 140 */ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 150 */ 105, 43, 44, 45, 46, 47, 48, 49, 50, 51, - /* 160 */ 52, 53, 54, 55, 56, 57, 212, 288, 273, 231, - /* 170 */ 232, 105, 106, 107, 108, 109, 131, 69, 203, 204, - /* 180 */ 205, 136, 244, 99, 100, 101, 102, 103, 104, 105, - /* 190 */ 106, 107, 108, 109, 15, 103, 104, 19, 260, 103, - /* 200 */ 104, 54, 55, 56, 57, 58, 22, 99, 100, 101, - /* 210 */ 102, 103, 104, 105, 106, 107, 108, 109, 264, 265, - /* 220 */ 266, 43, 44, 45, 46, 47, 48, 49, 50, 51, - /* 230 */ 52, 53, 54, 55, 56, 57, 19, 124, 125, 60, - /* 240 */ 148, 24, 150, 59, 187, 67, 99, 100, 101, 102, - /* 250 */ 103, 104, 105, 106, 107, 108, 109, 187, 187, 109, - /* 260 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 270 */ 53, 54, 55, 56, 57, 204, 205, 99, 100, 101, - /* 280 */ 102, 103, 104, 105, 106, 107, 108, 109, 103, 104, - /* 290 */ 105, 106, 107, 108, 109, 59, 112, 113, 114, 76, - /* 300 */ 231, 232, 187, 19, 19, 22, 23, 23, 54, 55, - /* 310 */ 56, 57, 89, 244, 199, 92, 99, 100, 101, 102, - /* 320 */ 103, 104, 105, 106, 107, 108, 109, 43, 44, 45, - /* 330 */ 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, - /* 340 */ 56, 57, 19, 212, 187, 274, 23, 26, 112, 113, - /* 350 */ 114, 294, 295, 99, 100, 101, 102, 103, 104, 105, - /* 360 */ 106, 107, 108, 109, 59, 295, 43, 44, 45, 46, - /* 370 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, - /* 380 */ 57, 98, 146, 99, 100, 101, 102, 103, 104, 105, - /* 390 */ 106, 107, 108, 109, 109, 264, 265, 266, 187, 187, - /* 400 */ 115, 116, 117, 118, 119, 120, 121, 73, 59, 19, - /* 410 */ 105, 23, 127, 23, 26, 81, 259, 112, 113, 114, - /* 420 */ 187, 72, 99, 100, 101, 102, 103, 104, 105, 106, - /* 430 */ 107, 108, 109, 43, 44, 45, 46, 47, 48, 49, - /* 440 */ 50, 51, 52, 53, 54, 55, 56, 57, 19, 124, - /* 450 */ 125, 182, 23, 184, 187, 134, 135, 123, 189, 131, - /* 460 */ 191, 112, 113, 114, 136, 187, 233, 198, 134, 135, - /* 470 */ 198, 259, 43, 44, 45, 46, 47, 48, 49, 50, - /* 480 */ 51, 52, 53, 54, 55, 56, 57, 209, 210, 99, - /* 490 */ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 500 */ 231, 232, 206, 231, 232, 187, 59, 296, 297, 76, - /* 510 */ 160, 161, 301, 244, 232, 19, 244, 297, 59, 23, - /* 520 */ 87, 301, 89, 245, 26, 92, 244, 258, 99, 100, - /* 530 */ 101, 102, 103, 104, 105, 106, 107, 108, 109, 43, - /* 540 */ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, - /* 550 */ 54, 55, 56, 57, 19, 187, 97, 288, 23, 112, - /* 560 */ 113, 114, 115, 296, 297, 118, 119, 120, 301, 108, - /* 570 */ 109, 112, 113, 255, 141, 128, 117, 281, 43, 44, - /* 580 */ 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, - /* 590 */ 55, 56, 57, 187, 187, 99, 100, 101, 102, 103, - /* 600 */ 104, 105, 106, 107, 108, 109, 26, 148, 149, 150, - /* 610 */ 115, 97, 59, 118, 119, 120, 209, 210, 73, 59, - /* 620 */ 122, 19, 209, 128, 256, 72, 187, 113, 187, 81, - /* 630 */ 223, 117, 227, 228, 99, 100, 101, 102, 103, 104, - /* 640 */ 105, 106, 107, 108, 109, 43, 44, 45, 46, 47, - /* 650 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, - /* 660 */ 19, 255, 148, 149, 150, 112, 113, 114, 123, 124, - /* 670 */ 125, 230, 112, 113, 114, 22, 297, 22, 81, 22, - /* 680 */ 301, 59, 134, 135, 43, 44, 45, 46, 47, 48, - /* 690 */ 49, 50, 51, 52, 53, 54, 55, 56, 57, 139, - /* 700 */ 192, 99, 100, 101, 102, 103, 104, 105, 106, 107, - /* 710 */ 108, 109, 59, 116, 59, 187, 59, 231, 232, 46, - /* 720 */ 47, 48, 49, 16, 12, 145, 198, 22, 187, 187, - /* 730 */ 244, 134, 135, 222, 112, 113, 114, 209, 210, 27, - /* 740 */ 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, - /* 750 */ 109, 209, 210, 187, 42, 187, 154, 227, 228, 231, - /* 760 */ 232, 139, 22, 23, 59, 112, 113, 114, 113, 112, - /* 770 */ 113, 114, 244, 245, 233, 63, 19, 209, 210, 271, - /* 780 */ 187, 24, 254, 275, 77, 73, 79, 245, 195, 260, - /* 790 */ 117, 223, 199, 22, 23, 154, 19, 26, 22, 187, - /* 800 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 810 */ 53, 54, 55, 56, 57, 19, 187, 112, 113, 114, - /* 820 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 830 */ 53, 54, 55, 56, 57, 59, 263, 187, 98, 43, - /* 840 */ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, - /* 850 */ 54, 55, 56, 57, 204, 205, 99, 100, 101, 102, - /* 860 */ 103, 104, 105, 106, 107, 108, 109, 255, 130, 98, - /* 870 */ 132, 133, 299, 300, 198, 187, 99, 100, 101, 102, - /* 880 */ 103, 104, 105, 106, 107, 108, 109, 187, 112, 113, - /* 890 */ 114, 187, 241, 187, 243, 99, 100, 101, 102, 103, - /* 900 */ 104, 105, 106, 107, 108, 109, 19, 231, 232, 209, - /* 910 */ 210, 282, 59, 209, 210, 209, 210, 16, 230, 19, - /* 920 */ 244, 22, 23, 223, 274, 26, 19, 223, 187, 223, - /* 930 */ 198, 44, 45, 46, 47, 48, 49, 50, 51, 52, - /* 940 */ 53, 54, 55, 56, 57, 45, 46, 47, 48, 49, - /* 950 */ 50, 51, 52, 53, 54, 55, 56, 57, 19, 20, - /* 960 */ 187, 22, 187, 231, 232, 112, 113, 114, 123, 124, - /* 970 */ 125, 7, 8, 9, 187, 36, 244, 24, 77, 21, - /* 980 */ 79, 187, 209, 210, 187, 263, 99, 100, 101, 102, - /* 990 */ 103, 104, 105, 106, 107, 108, 109, 98, 59, 99, - /* 1000 */ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - /* 1010 */ 71, 187, 59, 187, 187, 19, 20, 187, 22, 112, - /* 1020 */ 81, 299, 300, 282, 230, 199, 291, 292, 22, 187, - /* 1030 */ 24, 256, 36, 209, 210, 187, 97, 35, 80, 209, - /* 1040 */ 210, 268, 103, 104, 48, 187, 220, 223, 222, 110, - /* 1050 */ 59, 112, 113, 114, 187, 59, 117, 156, 187, 179, - /* 1060 */ 180, 181, 182, 183, 184, 59, 113, 71, 66, 189, - /* 1070 */ 22, 191, 230, 134, 135, 245, 74, 119, 198, 282, - /* 1080 */ 297, 85, 224, 198, 301, 187, 90, 148, 149, 150, - /* 1090 */ 151, 152, 19, 97, 103, 104, 123, 124, 125, 103, - /* 1100 */ 104, 53, 111, 112, 113, 114, 110, 116, 112, 113, - /* 1110 */ 114, 231, 232, 117, 156, 124, 231, 232, 297, 113, - /* 1120 */ 187, 24, 301, 256, 244, 201, 202, 256, 126, 244, - /* 1130 */ 187, 198, 187, 187, 23, 187, 187, 26, 258, 148, - /* 1140 */ 19, 150, 209, 210, 148, 149, 150, 151, 152, 0, - /* 1150 */ 1, 2, 209, 210, 5, 209, 210, 209, 210, 10, - /* 1160 */ 11, 12, 13, 14, 231, 232, 17, 46, 288, 19, - /* 1170 */ 20, 223, 22, 236, 198, 66, 187, 244, 245, 30, - /* 1180 */ 12, 32, 198, 246, 59, 112, 36, 187, 245, 40, - /* 1190 */ 198, 245, 117, 29, 85, 27, 26, 33, 209, 210, - /* 1200 */ 297, 76, 127, 94, 301, 256, 26, 231, 232, 59, - /* 1210 */ 42, 153, 87, 155, 89, 231, 232, 92, 31, 70, - /* 1220 */ 244, 71, 26, 231, 232, 114, 39, 78, 244, 65, - /* 1230 */ 81, 63, 111, 233, 137, 85, 244, 112, 113, 114, - /* 1240 */ 90, 22, 59, 24, 95, 201, 202, 97, 127, 187, - /* 1250 */ 139, 142, 187, 103, 104, 19, 20, 187, 22, 187, - /* 1260 */ 110, 187, 112, 113, 114, 187, 141, 117, 141, 187, - /* 1270 */ 23, 187, 36, 26, 209, 210, 134, 135, 129, 209, - /* 1280 */ 210, 209, 210, 134, 135, 22, 159, 209, 210, 187, - /* 1290 */ 187, 209, 210, 209, 210, 59, 113, 187, 148, 149, - /* 1300 */ 150, 151, 152, 289, 290, 187, 157, 71, 248, 249, - /* 1310 */ 114, 141, 209, 210, 46, 125, 116, 117, 138, 19, - /* 1320 */ 20, 85, 22, 148, 61, 150, 90, 209, 210, 23, - /* 1330 */ 7, 8, 26, 97, 187, 139, 36, 147, 59, 103, - /* 1340 */ 104, 19, 20, 187, 22, 59, 110, 187, 112, 113, - /* 1350 */ 114, 1, 2, 117, 187, 5, 209, 210, 36, 59, - /* 1360 */ 10, 11, 12, 13, 14, 209, 210, 17, 59, 209, - /* 1370 */ 210, 71, 187, 148, 250, 150, 209, 210, 187, 111, - /* 1380 */ 30, 59, 32, 22, 148, 149, 150, 151, 152, 187, - /* 1390 */ 40, 187, 113, 71, 209, 210, 187, 97, 187, 113, - /* 1400 */ 209, 210, 187, 103, 104, 105, 23, 187, 187, 26, - /* 1410 */ 110, 187, 112, 113, 114, 83, 84, 117, 23, 97, - /* 1420 */ 70, 26, 113, 218, 187, 103, 104, 187, 78, 209, - /* 1430 */ 210, 81, 110, 187, 112, 113, 114, 19, 20, 117, - /* 1440 */ 22, 187, 187, 187, 187, 95, 209, 210, 148, 149, - /* 1450 */ 150, 151, 152, 187, 36, 23, 187, 187, 26, 187, - /* 1460 */ 187, 187, 187, 209, 210, 209, 210, 187, 187, 218, - /* 1470 */ 148, 149, 150, 151, 152, 209, 210, 59, 187, 129, - /* 1480 */ 187, 209, 210, 187, 134, 135, 187, 306, 187, 71, - /* 1490 */ 209, 210, 23, 228, 187, 26, 23, 187, 137, 26, - /* 1500 */ 209, 210, 209, 210, 187, 209, 210, 157, 209, 210, - /* 1510 */ 209, 210, 218, 187, 187, 97, 209, 210, 187, 278, - /* 1520 */ 23, 103, 104, 26, 187, 187, 187, 187, 110, 187, - /* 1530 */ 112, 113, 114, 187, 187, 117, 5, 247, 187, 187, - /* 1540 */ 187, 10, 11, 12, 13, 14, 209, 210, 17, 209, - /* 1550 */ 210, 209, 210, 187, 187, 187, 209, 210, 187, 23, - /* 1560 */ 187, 30, 26, 32, 187, 187, 148, 149, 150, 151, - /* 1570 */ 152, 40, 187, 187, 187, 209, 210, 209, 210, 187, - /* 1580 */ 209, 210, 209, 210, 187, 187, 209, 210, 187, 277, - /* 1590 */ 234, 187, 247, 187, 209, 210, 209, 210, 187, 235, - /* 1600 */ 187, 70, 187, 207, 247, 247, 247, 209, 210, 78, - /* 1610 */ 209, 210, 81, 209, 210, 209, 210, 187, 185, 238, - /* 1620 */ 209, 210, 209, 210, 209, 210, 95, 251, 287, 238, - /* 1630 */ 251, 23, 23, 23, 26, 26, 26, 283, 23, 209, - /* 1640 */ 210, 26, 213, 238, 221, 283, 212, 212, 217, 212, - /* 1650 */ 251, 241, 270, 241, 237, 235, 190, 60, 137, 287, - /* 1660 */ 129, 194, 194, 38, 284, 134, 135, 273, 284, 194, - /* 1670 */ 146, 111, 22, 43, 226, 145, 262, 261, 238, 18, - /* 1680 */ 229, 229, 229, 229, 194, 18, 193, 238, 157, 262, - /* 1690 */ 226, 226, 194, 238, 238, 193, 153, 261, 62, 280, - /* 1700 */ 279, 194, 193, 22, 194, 214, 193, 111, 194, 193, - /* 1710 */ 214, 211, 211, 64, 211, 211, 122, 211, 219, 214, - /* 1720 */ 109, 213, 160, 211, 300, 140, 211, 253, 111, 272, - /* 1730 */ 219, 214, 272, 214, 252, 194, 253, 252, 91, 253, - /* 1740 */ 252, 82, 253, 305, 252, 144, 305, 141, 22, 194, - /* 1750 */ 269, 257, 257, 153, 267, 143, 142, 25, 197, 26, - /* 1760 */ 242, 241, 196, 240, 242, 239, 238, 13, 188, 188, - /* 1770 */ 6, 293, 186, 186, 186, 200, 206, 293, 206, 206, - /* 1780 */ 206, 4, 200, 215, 215, 207, 207, 3, 22, 206, - /* 1790 */ 200, 158, 96, 15, 23, 16, 23, 135, 146, 126, - /* 1800 */ 24, 138, 20, 16, 140, 1, 138, 147, 126, 61, - /* 1810 */ 53, 37, 146, 53, 53, 290, 53, 126, 112, 34, - /* 1820 */ 137, 1, 5, 22, 111, 156, 68, 68, 26, 41, - /* 1830 */ 75, 137, 111, 24, 20, 19, 127, 121, 23, 67, - /* 1840 */ 22, 22, 67, 22, 22, 37, 22, 67, 23, 145, - /* 1850 */ 22, 28, 23, 23, 23, 137, 23, 22, 26, 22, - /* 1860 */ 24, 23, 112, 24, 23, 23, 22, 139, 34, 26, - /* 1870 */ 75, 88, 86, 75, 34, 23, 22, 24, 22, 34, - /* 1880 */ 34, 34, 93, 34, 26, 26, 23, 23, 23, 34, - /* 1890 */ 23, 23, 44, 23, 11, 26, 22, 22, 26, 23, - /* 1900 */ 23, 22, 22, 15, 137, 137, 137, 137, 23, 1, - /* 1910 */ 307, 307, 131, 307, 307, 307, 307, 307, 307, 307, - /* 1920 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 1930 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 1940 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 1950 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 1960 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 1970 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 1980 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 1990 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2000 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2010 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2020 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2030 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2040 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2050 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2060 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2070 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2080 */ 307, 307, 307, 307, 307, 307, 307, 307, 307, 307, - /* 2090 */ 307, 307, + /* 0 */ 189, 211, 189, 189, 218, 189, 220, 189, 267, 268, + /* 10 */ 269, 189, 210, 189, 228, 189, 267, 268, 269, 19, + /* 20 */ 218, 189, 211, 212, 211, 212, 211, 211, 212, 211, + /* 30 */ 212, 31, 211, 211, 212, 211, 212, 288, 300, 39, + /* 40 */ 21, 189, 304, 43, 44, 45, 46, 47, 48, 49, + /* 50 */ 50, 51, 52, 53, 54, 55, 56, 57, 225, 19, + /* 60 */ 189, 183, 184, 185, 186, 189, 248, 263, 236, 191, + /* 70 */ 248, 193, 248, 197, 208, 257, 262, 201, 200, 257, + /* 80 */ 200, 257, 81, 43, 44, 45, 46, 47, 48, 49, + /* 90 */ 50, 51, 52, 53, 54, 55, 56, 57, 189, 80, + /* 100 */ 189, 101, 102, 103, 104, 105, 106, 107, 108, 109, + /* 110 */ 110, 111, 234, 235, 234, 235, 305, 306, 305, 118, + /* 120 */ 307, 305, 306, 297, 298, 247, 86, 247, 88, 19, + /* 130 */ 259, 251, 252, 267, 268, 269, 26, 136, 137, 261, + /* 140 */ 121, 101, 102, 103, 104, 105, 106, 107, 108, 109, + /* 150 */ 110, 111, 59, 43, 44, 45, 46, 47, 48, 49, + /* 160 */ 50, 51, 52, 53, 54, 55, 56, 57, 259, 291, + /* 170 */ 105, 106, 107, 108, 109, 110, 111, 158, 189, 69, + /* 180 */ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + /* 190 */ 111, 107, 108, 109, 110, 111, 205, 206, 207, 19, + /* 200 */ 19, 54, 55, 56, 57, 58, 29, 114, 115, 116, + /* 210 */ 33, 101, 102, 103, 104, 105, 106, 107, 108, 109, + /* 220 */ 110, 111, 233, 43, 44, 45, 46, 47, 48, 49, + /* 230 */ 50, 51, 52, 53, 54, 55, 56, 57, 19, 126, + /* 240 */ 127, 148, 65, 24, 214, 200, 59, 67, 101, 102, + /* 250 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 22, + /* 260 */ 189, 111, 43, 44, 45, 46, 47, 48, 49, 50, + /* 270 */ 51, 52, 53, 54, 55, 56, 57, 206, 207, 234, + /* 280 */ 235, 101, 102, 103, 104, 105, 106, 107, 108, 109, + /* 290 */ 110, 111, 247, 76, 107, 114, 59, 267, 268, 269, + /* 300 */ 189, 114, 115, 116, 162, 163, 89, 19, 263, 92, + /* 310 */ 189, 23, 54, 55, 56, 57, 189, 206, 207, 22, + /* 320 */ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + /* 330 */ 111, 43, 44, 45, 46, 47, 48, 49, 50, 51, + /* 340 */ 52, 53, 54, 55, 56, 57, 19, 189, 277, 59, + /* 350 */ 23, 114, 115, 116, 46, 47, 48, 49, 61, 101, + /* 360 */ 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, + /* 370 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + /* 380 */ 53, 54, 55, 56, 57, 125, 126, 127, 277, 101, + /* 390 */ 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, + /* 400 */ 59, 189, 189, 276, 114, 115, 116, 117, 73, 59, + /* 410 */ 120, 121, 122, 72, 214, 19, 81, 259, 19, 23, + /* 420 */ 130, 81, 72, 24, 211, 212, 221, 119, 101, 102, + /* 430 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 43, + /* 440 */ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + /* 450 */ 54, 55, 56, 57, 19, 114, 115, 116, 23, 208, + /* 460 */ 125, 248, 189, 189, 114, 115, 116, 267, 268, 269, + /* 470 */ 189, 136, 137, 189, 262, 22, 136, 137, 43, 44, + /* 480 */ 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + /* 490 */ 55, 56, 57, 189, 95, 211, 212, 101, 102, 103, + /* 500 */ 104, 105, 106, 107, 108, 109, 110, 111, 59, 189, + /* 510 */ 111, 189, 59, 76, 294, 295, 117, 118, 119, 120, + /* 520 */ 121, 122, 123, 19, 87, 189, 89, 23, 129, 92, + /* 530 */ 279, 227, 248, 22, 189, 284, 101, 102, 103, 104, + /* 540 */ 105, 106, 107, 108, 109, 110, 111, 43, 44, 45, + /* 550 */ 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + /* 560 */ 56, 57, 19, 114, 115, 116, 23, 114, 115, 116, + /* 570 */ 59, 117, 299, 300, 120, 121, 122, 304, 189, 189, + /* 580 */ 143, 189, 110, 111, 130, 22, 43, 44, 45, 46, + /* 590 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 600 */ 57, 211, 212, 211, 212, 101, 102, 103, 104, 105, + /* 610 */ 106, 107, 108, 109, 110, 111, 226, 189, 226, 189, + /* 620 */ 298, 132, 59, 134, 135, 114, 115, 116, 189, 59, + /* 630 */ 285, 19, 7, 8, 9, 23, 205, 206, 207, 211, + /* 640 */ 212, 211, 212, 221, 101, 102, 103, 104, 105, 106, + /* 650 */ 107, 108, 109, 110, 111, 43, 44, 45, 46, 47, + /* 660 */ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + /* 670 */ 19, 181, 182, 183, 184, 185, 186, 114, 115, 116, + /* 680 */ 189, 191, 133, 193, 114, 115, 116, 138, 299, 300, + /* 690 */ 200, 22, 201, 304, 43, 44, 45, 46, 47, 48, + /* 700 */ 49, 50, 51, 52, 53, 54, 55, 56, 57, 35, + /* 710 */ 189, 141, 189, 101, 102, 103, 104, 105, 106, 107, + /* 720 */ 108, 109, 110, 111, 234, 235, 22, 23, 59, 184, + /* 730 */ 26, 186, 211, 212, 211, 212, 191, 247, 193, 19, + /* 740 */ 66, 105, 106, 73, 189, 200, 189, 226, 74, 226, + /* 750 */ 22, 261, 101, 102, 103, 104, 105, 106, 107, 108, + /* 760 */ 109, 110, 111, 43, 44, 45, 46, 47, 48, 49, + /* 770 */ 50, 51, 52, 53, 54, 55, 56, 57, 189, 234, + /* 780 */ 235, 291, 19, 114, 115, 116, 150, 59, 152, 189, + /* 790 */ 233, 236, 247, 59, 189, 125, 126, 127, 59, 300, + /* 800 */ 211, 212, 128, 304, 100, 19, 261, 156, 45, 46, + /* 810 */ 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + /* 820 */ 57, 101, 102, 103, 104, 105, 106, 107, 108, 109, + /* 830 */ 110, 111, 46, 233, 189, 189, 291, 248, 99, 189, + /* 840 */ 125, 126, 127, 115, 26, 200, 289, 230, 231, 115, + /* 850 */ 200, 16, 189, 114, 115, 189, 211, 212, 119, 221, + /* 860 */ 189, 211, 212, 258, 101, 102, 103, 104, 105, 106, + /* 870 */ 107, 108, 109, 110, 111, 189, 156, 211, 212, 234, + /* 880 */ 235, 189, 211, 212, 234, 235, 22, 201, 189, 150, + /* 890 */ 151, 152, 247, 248, 76, 16, 19, 247, 248, 113, + /* 900 */ 189, 24, 257, 211, 212, 189, 26, 89, 262, 223, + /* 910 */ 92, 225, 77, 189, 79, 129, 19, 53, 226, 248, + /* 920 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + /* 930 */ 53, 54, 55, 56, 57, 236, 19, 271, 189, 99, + /* 940 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + /* 950 */ 53, 54, 55, 56, 57, 115, 77, 59, 79, 119, + /* 960 */ 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, + /* 970 */ 53, 54, 55, 56, 57, 259, 22, 23, 101, 102, + /* 980 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 59, + /* 990 */ 150, 151, 152, 158, 22, 244, 24, 246, 101, 102, + /* 1000 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 285, + /* 1010 */ 189, 189, 114, 115, 116, 200, 136, 137, 101, 102, + /* 1020 */ 103, 104, 105, 106, 107, 108, 109, 110, 111, 230, + /* 1030 */ 231, 59, 211, 212, 285, 105, 106, 189, 19, 141, + /* 1040 */ 234, 235, 239, 113, 114, 115, 116, 226, 118, 234, + /* 1050 */ 235, 189, 249, 247, 100, 189, 126, 23, 236, 107, + /* 1060 */ 26, 189, 247, 44, 45, 46, 47, 48, 49, 50, + /* 1070 */ 51, 52, 53, 54, 55, 56, 57, 211, 212, 59, + /* 1080 */ 150, 233, 152, 211, 212, 133, 12, 115, 189, 189, + /* 1090 */ 138, 19, 20, 300, 22, 233, 76, 304, 226, 11, + /* 1100 */ 208, 27, 22, 23, 200, 19, 26, 87, 36, 89, + /* 1110 */ 211, 212, 92, 300, 248, 189, 42, 304, 189, 250, + /* 1120 */ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, + /* 1130 */ 111, 59, 200, 233, 114, 115, 116, 63, 234, 235, + /* 1140 */ 235, 19, 20, 71, 22, 300, 189, 73, 200, 304, + /* 1150 */ 116, 247, 247, 81, 189, 200, 227, 26, 36, 234, + /* 1160 */ 235, 203, 204, 143, 200, 26, 234, 235, 194, 200, + /* 1170 */ 48, 99, 247, 66, 189, 141, 284, 105, 106, 247, + /* 1180 */ 100, 59, 234, 235, 112, 259, 114, 115, 116, 234, + /* 1190 */ 235, 119, 85, 71, 266, 247, 211, 212, 234, 235, + /* 1200 */ 114, 94, 247, 234, 235, 12, 266, 85, 136, 137, + /* 1210 */ 189, 247, 90, 26, 126, 127, 247, 189, 26, 22, + /* 1220 */ 27, 99, 150, 151, 152, 153, 154, 105, 106, 189, + /* 1230 */ 302, 303, 211, 212, 112, 42, 114, 115, 116, 211, + /* 1240 */ 212, 119, 302, 303, 19, 20, 189, 22, 274, 189, + /* 1250 */ 15, 144, 278, 189, 22, 23, 63, 189, 189, 203, + /* 1260 */ 204, 36, 136, 137, 155, 24, 157, 143, 211, 212, + /* 1270 */ 189, 140, 150, 151, 152, 153, 154, 0, 1, 2, + /* 1280 */ 211, 212, 5, 46, 59, 161, 147, 10, 11, 12, + /* 1290 */ 13, 14, 211, 212, 17, 60, 71, 189, 258, 189, + /* 1300 */ 59, 189, 105, 106, 189, 189, 189, 30, 116, 32, + /* 1310 */ 85, 124, 189, 251, 252, 90, 189, 40, 258, 211, + /* 1320 */ 212, 211, 212, 189, 99, 26, 211, 212, 211, 212, + /* 1330 */ 105, 106, 100, 141, 211, 212, 119, 112, 189, 114, + /* 1340 */ 115, 116, 23, 189, 119, 26, 129, 70, 189, 31, + /* 1350 */ 113, 19, 20, 24, 22, 78, 115, 39, 81, 189, + /* 1360 */ 211, 212, 26, 189, 22, 211, 212, 189, 36, 189, + /* 1370 */ 211, 212, 189, 189, 97, 150, 151, 152, 153, 154, + /* 1380 */ 127, 211, 212, 189, 189, 211, 212, 189, 189, 211, + /* 1390 */ 212, 59, 189, 189, 211, 212, 23, 189, 22, 26, + /* 1400 */ 24, 189, 149, 71, 189, 211, 212, 189, 131, 211, + /* 1410 */ 212, 189, 189, 136, 137, 211, 212, 85, 189, 211, + /* 1420 */ 212, 59, 90, 211, 212, 292, 293, 118, 119, 211, + /* 1430 */ 212, 99, 23, 211, 212, 26, 159, 105, 106, 189, + /* 1440 */ 211, 212, 143, 150, 112, 152, 114, 115, 116, 1, + /* 1450 */ 2, 119, 23, 5, 23, 26, 189, 26, 10, 11, + /* 1460 */ 12, 13, 14, 83, 84, 17, 253, 189, 139, 189, + /* 1470 */ 19, 20, 189, 22, 189, 189, 140, 115, 30, 59, + /* 1480 */ 32, 139, 150, 151, 152, 153, 154, 36, 40, 211, + /* 1490 */ 212, 211, 212, 59, 211, 212, 211, 212, 7, 8, + /* 1500 */ 19, 20, 189, 22, 150, 189, 152, 231, 281, 189, + /* 1510 */ 59, 189, 23, 189, 189, 26, 189, 36, 70, 189, + /* 1520 */ 23, 237, 71, 26, 211, 212, 78, 211, 212, 81, + /* 1530 */ 189, 211, 212, 211, 212, 115, 211, 212, 211, 212, + /* 1540 */ 59, 211, 212, 23, 23, 97, 26, 26, 23, 115, + /* 1550 */ 99, 26, 71, 189, 189, 189, 105, 106, 107, 23, + /* 1560 */ 189, 23, 26, 112, 26, 114, 115, 116, 189, 309, + /* 1570 */ 119, 23, 19, 20, 26, 22, 189, 211, 212, 131, + /* 1580 */ 99, 189, 211, 212, 136, 137, 105, 106, 189, 36, + /* 1590 */ 211, 212, 189, 112, 189, 114, 115, 116, 211, 212, + /* 1600 */ 119, 150, 151, 152, 153, 154, 189, 159, 23, 250, + /* 1610 */ 189, 26, 59, 189, 189, 189, 189, 189, 280, 189, + /* 1620 */ 250, 189, 189, 238, 71, 189, 189, 250, 211, 212, + /* 1630 */ 187, 150, 151, 152, 153, 154, 211, 212, 250, 290, + /* 1640 */ 240, 211, 212, 211, 212, 254, 286, 209, 254, 241, + /* 1650 */ 240, 254, 99, 286, 215, 220, 214, 244, 105, 106, + /* 1660 */ 214, 214, 244, 273, 224, 112, 192, 114, 115, 116, + /* 1670 */ 60, 290, 119, 5, 139, 196, 196, 38, 10, 11, + /* 1680 */ 12, 13, 14, 238, 240, 17, 196, 148, 287, 287, + /* 1690 */ 276, 113, 22, 147, 241, 43, 229, 241, 30, 18, + /* 1700 */ 32, 232, 232, 150, 151, 152, 153, 154, 40, 232, + /* 1710 */ 232, 196, 18, 195, 265, 265, 264, 241, 264, 196, + /* 1720 */ 155, 229, 229, 241, 241, 241, 195, 62, 196, 195, + /* 1730 */ 22, 113, 216, 196, 222, 195, 195, 282, 70, 196, + /* 1740 */ 283, 213, 216, 213, 64, 22, 78, 124, 219, 81, + /* 1750 */ 162, 111, 219, 142, 256, 213, 113, 255, 213, 256, + /* 1760 */ 216, 303, 215, 213, 213, 97, 255, 213, 216, 275, + /* 1770 */ 275, 222, 216, 256, 255, 196, 91, 82, 256, 255, + /* 1780 */ 308, 308, 146, 22, 143, 196, 155, 260, 25, 145, + /* 1790 */ 144, 199, 26, 198, 13, 190, 190, 6, 293, 131, + /* 1800 */ 188, 188, 245, 244, 136, 137, 245, 243, 242, 241, + /* 1810 */ 188, 202, 208, 217, 217, 260, 208, 4, 202, 3, + /* 1820 */ 22, 202, 208, 208, 160, 15, 209, 159, 270, 209, + /* 1830 */ 98, 16, 272, 208, 23, 23, 137, 148, 128, 20, + /* 1840 */ 140, 24, 16, 142, 1, 140, 149, 128, 61, 53, + /* 1850 */ 148, 37, 53, 53, 53, 128, 114, 34, 296, 296, + /* 1860 */ 139, 1, 5, 22, 113, 158, 26, 75, 41, 139, + /* 1870 */ 68, 68, 113, 24, 20, 19, 129, 123, 23, 96, + /* 1880 */ 22, 22, 37, 22, 22, 67, 22, 67, 59, 24, + /* 1890 */ 23, 28, 67, 147, 22, 26, 23, 23, 23, 23, + /* 1900 */ 22, 24, 23, 22, 24, 23, 139, 23, 114, 22, + /* 1910 */ 141, 26, 88, 75, 86, 44, 23, 34, 22, 75, + /* 1920 */ 34, 24, 34, 34, 34, 93, 34, 26, 26, 34, + /* 1930 */ 23, 23, 23, 23, 23, 11, 23, 22, 26, 22, + /* 1940 */ 22, 133, 23, 23, 22, 22, 139, 26, 139, 23, + /* 1950 */ 15, 1, 1, 310, 310, 310, 310, 310, 310, 310, + /* 1960 */ 139, 139, 310, 310, 310, 310, 310, 310, 310, 310, + /* 1970 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 1980 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 1990 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2000 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2010 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2020 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2030 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2040 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2050 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2060 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2070 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2080 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2090 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2100 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2110 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2120 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2130 */ 310, 310, 310, 310, 310, 310, 310, 310, 310, 310, + /* 2140 */ 310, 310, 310, }; -#define YY_SHIFT_COUNT (542) +#define YY_SHIFT_COUNT (552) #define YY_SHIFT_MIN (0) -#define YY_SHIFT_MAX (1908) +#define YY_SHIFT_MAX (1951) static const unsigned short int yy_shift_ofst[] = { - /* 0 */ 1350, 1149, 1531, 939, 939, 548, 996, 1150, 1236, 1322, - /* 10 */ 1322, 1322, 334, 0, 0, 178, 777, 1322, 1322, 1322, - /* 20 */ 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, - /* 30 */ 991, 991, 1125, 1125, 447, 597, 548, 548, 548, 548, - /* 40 */ 548, 548, 40, 108, 217, 284, 323, 390, 429, 496, - /* 50 */ 535, 602, 641, 757, 777, 777, 777, 777, 777, 777, - /* 60 */ 777, 777, 777, 777, 777, 777, 777, 777, 777, 777, - /* 70 */ 777, 777, 796, 777, 887, 900, 900, 1300, 1322, 1322, - /* 80 */ 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, - /* 90 */ 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, - /* 100 */ 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, - /* 110 */ 1418, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, 1322, - /* 120 */ 1322, 1322, 1322, 1322, 147, 254, 254, 254, 254, 254, - /* 130 */ 84, 185, 66, 853, 958, 1121, 853, 92, 92, 853, - /* 140 */ 321, 321, 321, 321, 325, 350, 350, 461, 150, 1913, - /* 150 */ 1913, 285, 285, 285, 236, 184, 349, 184, 184, 712, - /* 160 */ 712, 433, 553, 771, 899, 853, 853, 853, 853, 853, - /* 170 */ 853, 853, 853, 853, 853, 853, 853, 853, 853, 853, - /* 180 */ 853, 853, 853, 853, 853, 853, 46, 46, 853, 113, - /* 190 */ 223, 223, 1183, 1183, 1127, 1142, 1913, 1913, 1913, 459, - /* 200 */ 514, 514, 653, 495, 657, 305, 705, 560, 622, 776, - /* 210 */ 853, 853, 853, 853, 853, 853, 853, 853, 853, 545, - /* 220 */ 853, 853, 853, 853, 853, 853, 853, 853, 853, 853, - /* 230 */ 853, 853, 1002, 1002, 1002, 853, 853, 853, 853, 1111, - /* 240 */ 853, 853, 853, 1006, 1109, 853, 853, 1168, 853, 853, - /* 250 */ 853, 853, 853, 853, 853, 853, 845, 1164, 738, 953, - /* 260 */ 953, 953, 953, 1196, 738, 738, 45, 96, 964, 179, - /* 270 */ 580, 907, 907, 1073, 580, 580, 1073, 498, 388, 1268, - /* 280 */ 1187, 1187, 1187, 907, 1170, 1170, 1058, 1180, 328, 1219, - /* 290 */ 1597, 1521, 1521, 1625, 1625, 1521, 1524, 1560, 1650, 1630, - /* 300 */ 1530, 1661, 1661, 1661, 1661, 1521, 1667, 1530, 1530, 1560, - /* 310 */ 1650, 1630, 1630, 1530, 1521, 1667, 1543, 1636, 1521, 1667, - /* 320 */ 1681, 1521, 1667, 1521, 1667, 1681, 1596, 1596, 1596, 1649, - /* 330 */ 1681, 1596, 1594, 1596, 1649, 1596, 1596, 1562, 1681, 1611, - /* 340 */ 1611, 1681, 1585, 1617, 1585, 1617, 1585, 1617, 1585, 1617, - /* 350 */ 1521, 1647, 1647, 1659, 1659, 1601, 1606, 1726, 1521, 1600, - /* 360 */ 1601, 1612, 1614, 1530, 1732, 1733, 1754, 1754, 1764, 1764, - /* 370 */ 1764, 1913, 1913, 1913, 1913, 1913, 1913, 1913, 1913, 1913, - /* 380 */ 1913, 1913, 1913, 1913, 1913, 1913, 673, 901, 283, 740, - /* 390 */ 707, 973, 655, 1247, 1048, 1097, 1190, 1306, 1263, 1383, - /* 400 */ 1395, 1432, 1469, 1473, 1497, 1279, 1200, 1323, 1075, 1286, - /* 410 */ 1536, 1608, 1332, 1609, 1175, 1225, 1610, 1615, 1309, 1361, - /* 420 */ 1777, 1784, 1766, 1633, 1778, 1696, 1779, 1771, 1773, 1662, - /* 430 */ 1652, 1673, 1776, 1663, 1782, 1664, 1787, 1804, 1668, 1660, - /* 440 */ 1682, 1748, 1774, 1666, 1757, 1760, 1761, 1763, 1691, 1706, - /* 450 */ 1785, 1683, 1820, 1817, 1801, 1713, 1669, 1758, 1802, 1759, - /* 460 */ 1755, 1788, 1694, 1721, 1809, 1814, 1816, 1709, 1716, 1818, - /* 470 */ 1772, 1819, 1821, 1815, 1822, 1775, 1823, 1824, 1780, 1808, - /* 480 */ 1825, 1704, 1828, 1829, 1830, 1831, 1832, 1833, 1835, 1836, - /* 490 */ 1838, 1837, 1839, 1718, 1841, 1842, 1750, 1834, 1844, 1728, - /* 500 */ 1843, 1840, 1845, 1846, 1847, 1783, 1795, 1786, 1848, 1798, - /* 510 */ 1789, 1849, 1852, 1854, 1853, 1858, 1859, 1855, 1863, 1843, - /* 520 */ 1864, 1865, 1867, 1868, 1869, 1870, 1856, 1883, 1874, 1875, - /* 530 */ 1876, 1877, 1879, 1880, 1872, 1781, 1767, 1768, 1769, 1770, - /* 540 */ 1885, 1888, 1908, + /* 0 */ 1448, 1277, 1668, 1072, 1072, 340, 1122, 1225, 1332, 1481, + /* 10 */ 1481, 1481, 335, 0, 0, 180, 897, 1481, 1481, 1481, + /* 20 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, + /* 30 */ 930, 930, 1020, 1020, 290, 1, 340, 340, 340, 340, + /* 40 */ 340, 340, 40, 110, 219, 288, 327, 396, 435, 504, + /* 50 */ 543, 612, 651, 720, 877, 897, 897, 897, 897, 897, + /* 60 */ 897, 897, 897, 897, 897, 897, 897, 897, 897, 897, + /* 70 */ 897, 897, 897, 917, 897, 1019, 763, 763, 1451, 1481, + /* 80 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, + /* 90 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, + /* 100 */ 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, 1481, + /* 110 */ 1481, 1481, 1553, 1481, 1481, 1481, 1481, 1481, 1481, 1481, + /* 120 */ 1481, 1481, 1481, 1481, 1481, 1481, 147, 258, 258, 258, + /* 130 */ 258, 258, 79, 65, 84, 449, 19, 786, 449, 636, + /* 140 */ 636, 449, 880, 880, 880, 880, 113, 142, 142, 472, + /* 150 */ 150, 1962, 1962, 399, 399, 399, 93, 237, 341, 237, + /* 160 */ 237, 1074, 1074, 437, 350, 704, 1080, 449, 449, 449, + /* 170 */ 449, 449, 449, 449, 449, 449, 449, 449, 449, 449, + /* 180 */ 449, 449, 449, 449, 449, 449, 449, 449, 818, 818, + /* 190 */ 449, 1088, 217, 217, 734, 734, 1124, 1126, 1962, 1962, + /* 200 */ 1962, 739, 840, 840, 453, 454, 511, 187, 563, 570, + /* 210 */ 898, 669, 449, 449, 449, 449, 449, 449, 449, 449, + /* 220 */ 449, 670, 449, 449, 449, 449, 449, 449, 449, 449, + /* 230 */ 449, 449, 449, 449, 674, 674, 674, 449, 449, 449, + /* 240 */ 449, 1034, 449, 449, 449, 972, 1107, 449, 449, 1193, + /* 250 */ 449, 449, 449, 449, 449, 449, 449, 449, 260, 177, + /* 260 */ 489, 1241, 1241, 1241, 1241, 1192, 489, 489, 952, 1197, + /* 270 */ 625, 1235, 1131, 181, 181, 1086, 1139, 1131, 1086, 1187, + /* 280 */ 1319, 1237, 1318, 1318, 1318, 181, 1299, 1299, 1109, 1336, + /* 290 */ 549, 1376, 1610, 1535, 1535, 1639, 1639, 1535, 1539, 1578, + /* 300 */ 1670, 1546, 1652, 1546, 1681, 1681, 1681, 1681, 1535, 1694, + /* 310 */ 1546, 1546, 1578, 1670, 1652, 1546, 1652, 1546, 1535, 1694, + /* 320 */ 1565, 1665, 1535, 1694, 1708, 1535, 1694, 1535, 1694, 1708, + /* 330 */ 1618, 1618, 1618, 1680, 1723, 1723, 1708, 1618, 1623, 1618, + /* 340 */ 1680, 1618, 1618, 1588, 1708, 1640, 1640, 1708, 1611, 1643, + /* 350 */ 1611, 1643, 1611, 1643, 1611, 1643, 1535, 1685, 1685, 1695, + /* 360 */ 1695, 1636, 1641, 1761, 1535, 1631, 1636, 1644, 1646, 1546, + /* 370 */ 1763, 1766, 1781, 1781, 1791, 1791, 1791, 1962, 1962, 1962, + /* 380 */ 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, 1962, + /* 390 */ 1962, 1962, 308, 835, 954, 1232, 879, 715, 728, 1373, + /* 400 */ 864, 1329, 1253, 1409, 297, 1431, 1489, 1497, 1520, 1521, + /* 410 */ 1525, 1362, 1309, 1491, 1217, 1420, 1429, 1536, 1380, 1538, + /* 420 */ 1293, 1354, 1548, 1585, 1434, 1342, 1813, 1816, 1798, 1664, + /* 430 */ 1810, 1732, 1815, 1811, 1812, 1699, 1689, 1710, 1817, 1700, + /* 440 */ 1819, 1701, 1826, 1843, 1705, 1697, 1719, 1787, 1814, 1702, + /* 450 */ 1796, 1799, 1800, 1801, 1727, 1742, 1823, 1721, 1860, 1857, + /* 460 */ 1841, 1751, 1707, 1802, 1840, 1803, 1792, 1827, 1730, 1759, + /* 470 */ 1849, 1854, 1856, 1747, 1754, 1858, 1818, 1859, 1861, 1855, + /* 480 */ 1862, 1820, 1829, 1865, 1783, 1863, 1864, 1825, 1845, 1867, + /* 490 */ 1746, 1872, 1873, 1874, 1875, 1869, 1876, 1878, 1877, 1879, + /* 500 */ 1881, 1880, 1767, 1882, 1884, 1794, 1883, 1887, 1769, 1885, + /* 510 */ 1886, 1888, 1889, 1890, 1824, 1838, 1828, 1871, 1844, 1832, + /* 520 */ 1892, 1893, 1896, 1897, 1901, 1902, 1895, 1907, 1885, 1908, + /* 530 */ 1909, 1910, 1911, 1912, 1913, 1915, 1924, 1917, 1918, 1919, + /* 540 */ 1920, 1922, 1923, 1921, 1808, 1807, 1809, 1821, 1822, 1926, + /* 550 */ 1935, 1950, 1951, }; -#define YY_REDUCE_COUNT (385) -#define YY_REDUCE_MIN (-256) -#define YY_REDUCE_MAX (1590) +#define YY_REDUCE_COUNT (391) +#define YY_REDUCE_MIN (-262) +#define YY_REDUCE_MAX (1625) static const short yy_reduce_ofst[] = { - /* 0 */ 880, -121, 269, 528, 933, -119, -187, -185, -182, -180, - /* 10 */ -176, -174, -62, -46, 131, -248, -133, 407, 568, 700, - /* 20 */ 704, 278, 706, 824, 542, 830, 948, 773, 943, 946, - /* 30 */ 71, 650, 211, 267, 826, 272, 676, 732, 885, 976, - /* 40 */ 984, 992, -256, -256, -256, -256, -256, -256, -256, -256, - /* 50 */ -256, -256, -256, -256, -256, -256, -256, -256, -256, -256, - /* 60 */ -256, -256, -256, -256, -256, -256, -256, -256, -256, -256, - /* 70 */ -256, -256, -256, -256, -256, -256, -256, 989, 1065, 1070, - /* 80 */ 1072, 1078, 1082, 1084, 1103, 1118, 1147, 1156, 1160, 1167, - /* 90 */ 1185, 1191, 1220, 1237, 1254, 1256, 1266, 1272, 1281, 1291, - /* 100 */ 1293, 1296, 1299, 1301, 1307, 1337, 1340, 1342, 1347, 1366, - /* 110 */ 1368, 1371, 1373, 1377, 1385, 1387, 1398, 1401, 1404, 1406, - /* 120 */ 1411, 1413, 1415, 1430, -256, -256, -256, -256, -256, -256, - /* 130 */ -256, -256, -256, -172, 508, -213, 57, -163, -25, 593, - /* 140 */ 69, 486, 69, 486, -200, 573, 722, -256, -256, -256, - /* 150 */ -256, -141, -141, -141, -105, -161, -167, 157, 212, 405, - /* 160 */ 530, 220, 233, 735, 735, 115, 318, 406, 612, 541, - /* 170 */ -166, 441, 688, 794, 629, 368, 741, 775, 867, 797, - /* 180 */ 871, 842, -186, 1000, 858, 949, 379, 783, 70, 296, - /* 190 */ 821, 903, 924, 1044, 651, 282, 1014, 1060, 937, -195, - /* 200 */ -177, 413, 439, 511, 566, 787, 827, 848, 898, 945, - /* 210 */ 1062, 1074, 1102, 1110, 1202, 1204, 1209, 1211, 1215, 529, - /* 220 */ 1221, 1224, 1240, 1246, 1255, 1257, 1269, 1270, 1273, 1274, - /* 230 */ 1275, 1280, 1205, 1251, 1294, 1310, 1317, 1326, 1327, 1124, - /* 240 */ 1331, 1338, 1339, 1290, 1181, 1346, 1351, 1265, 1352, 787, - /* 250 */ 1353, 1367, 1378, 1386, 1392, 1397, 1241, 1312, 1356, 1345, - /* 260 */ 1357, 1358, 1359, 1124, 1356, 1356, 1364, 1396, 1433, 1341, - /* 270 */ 1381, 1376, 1379, 1354, 1391, 1405, 1362, 1429, 1423, 1431, - /* 280 */ 1434, 1435, 1437, 1399, 1410, 1412, 1382, 1417, 1420, 1466, - /* 290 */ 1372, 1467, 1468, 1380, 1384, 1475, 1394, 1414, 1416, 1448, - /* 300 */ 1440, 1451, 1452, 1453, 1454, 1490, 1493, 1449, 1455, 1427, - /* 310 */ 1436, 1464, 1465, 1456, 1498, 1502, 1419, 1421, 1507, 1509, - /* 320 */ 1491, 1510, 1513, 1514, 1516, 1496, 1500, 1501, 1503, 1499, - /* 330 */ 1505, 1504, 1508, 1506, 1511, 1512, 1515, 1424, 1517, 1457, - /* 340 */ 1460, 1519, 1474, 1482, 1483, 1485, 1486, 1488, 1489, 1492, - /* 350 */ 1541, 1438, 1441, 1494, 1495, 1518, 1520, 1487, 1555, 1481, - /* 360 */ 1522, 1523, 1526, 1528, 1561, 1566, 1580, 1581, 1586, 1587, - /* 370 */ 1588, 1478, 1484, 1525, 1575, 1570, 1572, 1573, 1574, 1582, - /* 380 */ 1568, 1569, 1578, 1579, 1583, 1590, + /* 0 */ 490, -122, 545, 645, 650, -120, -189, -187, -184, -182, + /* 10 */ -178, -176, 45, 30, 200, -251, -134, 390, 392, 521, + /* 20 */ 523, 213, 692, 821, 284, 589, 872, 666, 671, 866, + /* 30 */ 71, 111, 273, 389, 686, 815, 904, 932, 948, 955, + /* 40 */ 964, 969, -259, -259, -259, -259, -259, -259, -259, -259, + /* 50 */ -259, -259, -259, -259, -259, -259, -259, -259, -259, -259, + /* 60 */ -259, -259, -259, -259, -259, -259, -259, -259, -259, -259, + /* 70 */ -259, -259, -259, -259, -259, -259, -259, -259, 428, 430, + /* 80 */ 899, 985, 1021, 1028, 1057, 1069, 1081, 1108, 1110, 1115, + /* 90 */ 1117, 1123, 1149, 1154, 1159, 1170, 1174, 1178, 1183, 1194, + /* 100 */ 1198, 1204, 1208, 1212, 1218, 1222, 1229, 1278, 1280, 1283, + /* 110 */ 1285, 1313, 1316, 1320, 1322, 1325, 1327, 1330, 1366, 1371, + /* 120 */ 1379, 1387, 1417, 1425, 1430, 1432, -259, -259, -259, -259, + /* 130 */ -259, -259, -259, -259, -259, 557, 974, -214, -174, -9, + /* 140 */ 431, -124, 806, 925, 806, 925, 251, 928, 940, -259, + /* 150 */ -259, -259, -259, -198, -198, -198, 127, -186, -168, 212, + /* 160 */ 646, 617, 799, -262, 555, 220, 220, 491, 605, 1040, + /* 170 */ 1060, 699, -11, 600, 848, 862, 345, -129, 724, -91, + /* 180 */ 158, 749, 716, 900, 304, 822, 929, 926, 499, 793, + /* 190 */ 322, 892, 813, 845, 958, 1056, 751, 905, 1133, 1062, + /* 200 */ 803, -210, -185, -179, -148, -167, -89, 121, 274, 281, + /* 210 */ 320, 336, 439, 663, 711, 957, 965, 1064, 1068, 1112, + /* 220 */ 1116, -196, 1127, 1134, 1180, 1184, 1195, 1199, 1203, 1215, + /* 230 */ 1223, 1250, 1267, 1286, 205, 422, 638, 1324, 1341, 1364, + /* 240 */ 1365, 1213, 1392, 1399, 1403, 869, 1260, 1405, 1421, 1276, + /* 250 */ 1424, 121, 1426, 1427, 1428, 1433, 1436, 1437, 1227, 1338, + /* 260 */ 1284, 1359, 1370, 1377, 1388, 1213, 1284, 1284, 1385, 1438, + /* 270 */ 1443, 1349, 1400, 1391, 1394, 1360, 1408, 1410, 1367, 1439, + /* 280 */ 1440, 1435, 1442, 1446, 1447, 1397, 1413, 1418, 1390, 1444, + /* 290 */ 1445, 1474, 1381, 1479, 1480, 1401, 1402, 1490, 1414, 1449, + /* 300 */ 1452, 1453, 1467, 1456, 1469, 1470, 1477, 1478, 1515, 1518, + /* 310 */ 1476, 1482, 1450, 1454, 1492, 1483, 1493, 1484, 1523, 1531, + /* 320 */ 1457, 1455, 1532, 1534, 1516, 1537, 1540, 1543, 1541, 1526, + /* 330 */ 1528, 1530, 1542, 1512, 1529, 1533, 1544, 1545, 1547, 1550, + /* 340 */ 1549, 1551, 1554, 1458, 1552, 1494, 1495, 1556, 1498, 1502, + /* 350 */ 1503, 1511, 1517, 1519, 1522, 1524, 1579, 1472, 1473, 1527, + /* 360 */ 1555, 1557, 1559, 1558, 1589, 1560, 1561, 1564, 1566, 1568, + /* 370 */ 1592, 1595, 1605, 1606, 1612, 1613, 1622, 1562, 1563, 1505, + /* 380 */ 1609, 1604, 1608, 1614, 1615, 1616, 1596, 1597, 1617, 1620, + /* 390 */ 1625, 1619, }; static const YYACTIONTYPE yy_default[] = { - /* 0 */ 1554, 1554, 1554, 1392, 1171, 1278, 1171, 1171, 1171, 1392, - /* 10 */ 1392, 1392, 1171, 1308, 1308, 1445, 1202, 1171, 1171, 1171, - /* 20 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1391, 1171, 1171, - /* 30 */ 1171, 1171, 1475, 1475, 1171, 1171, 1171, 1171, 1171, 1171, - /* 40 */ 1171, 1171, 1171, 1317, 1171, 1171, 1171, 1171, 1171, 1393, - /* 50 */ 1394, 1171, 1171, 1171, 1444, 1446, 1409, 1327, 1326, 1325, - /* 60 */ 1324, 1427, 1295, 1322, 1315, 1319, 1387, 1388, 1386, 1390, - /* 70 */ 1394, 1393, 1171, 1318, 1358, 1372, 1357, 1171, 1171, 1171, - /* 80 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 90 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 100 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 110 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 120 */ 1171, 1171, 1171, 1171, 1366, 1371, 1377, 1370, 1367, 1360, - /* 130 */ 1359, 1361, 1362, 1171, 1192, 1242, 1171, 1171, 1171, 1171, - /* 140 */ 1463, 1462, 1171, 1171, 1202, 1352, 1351, 1363, 1364, 1374, - /* 150 */ 1373, 1452, 1510, 1509, 1410, 1171, 1171, 1171, 1171, 1171, - /* 160 */ 1171, 1475, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 170 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 180 */ 1171, 1171, 1171, 1171, 1171, 1171, 1475, 1475, 1171, 1202, - /* 190 */ 1475, 1475, 1198, 1198, 1302, 1171, 1458, 1278, 1269, 1171, - /* 200 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 210 */ 1171, 1171, 1171, 1449, 1447, 1171, 1171, 1171, 1171, 1171, - /* 220 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 230 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 240 */ 1171, 1171, 1171, 1274, 1171, 1171, 1171, 1171, 1171, 1171, - /* 250 */ 1171, 1171, 1171, 1171, 1171, 1504, 1171, 1422, 1256, 1274, - /* 260 */ 1274, 1274, 1274, 1276, 1257, 1255, 1268, 1203, 1178, 1546, - /* 270 */ 1321, 1297, 1297, 1543, 1321, 1321, 1543, 1217, 1524, 1214, - /* 280 */ 1308, 1308, 1308, 1297, 1302, 1302, 1389, 1275, 1268, 1171, - /* 290 */ 1546, 1283, 1283, 1545, 1545, 1283, 1410, 1330, 1336, 1245, - /* 300 */ 1321, 1251, 1251, 1251, 1251, 1283, 1189, 1321, 1321, 1330, - /* 310 */ 1336, 1245, 1245, 1321, 1283, 1189, 1426, 1540, 1283, 1189, - /* 320 */ 1400, 1283, 1189, 1283, 1189, 1400, 1243, 1243, 1243, 1232, - /* 330 */ 1400, 1243, 1217, 1243, 1232, 1243, 1243, 1493, 1400, 1404, - /* 340 */ 1404, 1400, 1301, 1296, 1301, 1296, 1301, 1296, 1301, 1296, - /* 350 */ 1283, 1485, 1485, 1311, 1311, 1316, 1302, 1395, 1283, 1171, - /* 360 */ 1316, 1314, 1312, 1321, 1195, 1235, 1507, 1507, 1503, 1503, - /* 370 */ 1503, 1551, 1551, 1458, 1519, 1202, 1202, 1202, 1202, 1519, - /* 380 */ 1219, 1219, 1203, 1203, 1202, 1519, 1171, 1171, 1171, 1171, - /* 390 */ 1171, 1171, 1514, 1171, 1411, 1287, 1171, 1171, 1171, 1171, - /* 400 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 410 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1341, - /* 420 */ 1171, 1174, 1455, 1171, 1171, 1453, 1171, 1171, 1171, 1171, - /* 430 */ 1171, 1171, 1288, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 440 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 450 */ 1171, 1542, 1171, 1171, 1171, 1171, 1171, 1171, 1425, 1424, - /* 460 */ 1171, 1171, 1285, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 470 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 480 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 490 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 500 */ 1313, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 510 */ 1171, 1171, 1171, 1171, 1171, 1490, 1303, 1171, 1171, 1533, - /* 520 */ 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, 1171, - /* 530 */ 1171, 1171, 1171, 1171, 1528, 1259, 1343, 1171, 1342, 1346, - /* 540 */ 1171, 1183, 1171, + /* 0 */ 1575, 1575, 1575, 1411, 1188, 1297, 1188, 1188, 1188, 1411, + /* 10 */ 1411, 1411, 1188, 1327, 1327, 1464, 1219, 1188, 1188, 1188, + /* 20 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1410, 1188, 1188, + /* 30 */ 1188, 1188, 1494, 1494, 1188, 1188, 1188, 1188, 1188, 1188, + /* 40 */ 1188, 1188, 1188, 1336, 1188, 1188, 1188, 1188, 1188, 1188, + /* 50 */ 1412, 1413, 1188, 1188, 1188, 1463, 1465, 1428, 1346, 1345, + /* 60 */ 1344, 1343, 1446, 1314, 1341, 1334, 1338, 1406, 1407, 1405, + /* 70 */ 1409, 1413, 1412, 1188, 1337, 1377, 1391, 1376, 1188, 1188, + /* 80 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 90 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 100 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 110 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 120 */ 1188, 1188, 1188, 1188, 1188, 1188, 1385, 1390, 1396, 1389, + /* 130 */ 1386, 1379, 1378, 1380, 1381, 1188, 1209, 1261, 1188, 1188, + /* 140 */ 1188, 1188, 1482, 1481, 1188, 1188, 1219, 1371, 1370, 1382, + /* 150 */ 1383, 1393, 1392, 1471, 1529, 1528, 1429, 1188, 1188, 1188, + /* 160 */ 1188, 1188, 1188, 1494, 1188, 1188, 1188, 1188, 1188, 1188, + /* 170 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 180 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1494, 1494, + /* 190 */ 1188, 1219, 1494, 1494, 1215, 1215, 1321, 1188, 1477, 1297, + /* 200 */ 1288, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 210 */ 1188, 1188, 1188, 1188, 1188, 1468, 1466, 1188, 1188, 1188, + /* 220 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 230 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 240 */ 1188, 1188, 1188, 1188, 1188, 1293, 1188, 1188, 1188, 1188, + /* 250 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1523, 1188, 1441, + /* 260 */ 1275, 1293, 1293, 1293, 1293, 1295, 1276, 1274, 1287, 1220, + /* 270 */ 1195, 1567, 1294, 1316, 1316, 1564, 1340, 1294, 1564, 1236, + /* 280 */ 1545, 1231, 1327, 1327, 1327, 1316, 1321, 1321, 1408, 1294, + /* 290 */ 1287, 1188, 1567, 1302, 1302, 1566, 1566, 1302, 1429, 1349, + /* 300 */ 1355, 1340, 1264, 1340, 1270, 1270, 1270, 1270, 1302, 1206, + /* 310 */ 1340, 1340, 1349, 1355, 1264, 1340, 1264, 1340, 1302, 1206, + /* 320 */ 1445, 1561, 1302, 1206, 1419, 1302, 1206, 1302, 1206, 1419, + /* 330 */ 1262, 1262, 1262, 1251, 1188, 1188, 1419, 1262, 1236, 1262, + /* 340 */ 1251, 1262, 1262, 1512, 1419, 1423, 1423, 1419, 1320, 1315, + /* 350 */ 1320, 1315, 1320, 1315, 1320, 1315, 1302, 1504, 1504, 1330, + /* 360 */ 1330, 1335, 1321, 1414, 1302, 1188, 1335, 1333, 1331, 1340, + /* 370 */ 1212, 1254, 1526, 1526, 1522, 1522, 1522, 1572, 1572, 1477, + /* 380 */ 1538, 1219, 1219, 1219, 1219, 1538, 1238, 1238, 1220, 1220, + /* 390 */ 1219, 1538, 1188, 1188, 1188, 1188, 1188, 1188, 1533, 1188, + /* 400 */ 1430, 1306, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 410 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 420 */ 1188, 1188, 1188, 1188, 1188, 1360, 1188, 1191, 1474, 1188, + /* 430 */ 1188, 1472, 1188, 1188, 1188, 1188, 1188, 1188, 1307, 1188, + /* 440 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 450 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1563, 1188, 1188, + /* 460 */ 1188, 1188, 1188, 1188, 1444, 1443, 1188, 1188, 1304, 1188, + /* 470 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 480 */ 1188, 1188, 1234, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 490 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 500 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1332, + /* 510 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 520 */ 1188, 1188, 1188, 1188, 1509, 1322, 1188, 1188, 1554, 1188, + /* 530 */ 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, 1188, + /* 540 */ 1188, 1188, 1188, 1549, 1278, 1362, 1188, 1361, 1365, 1188, + /* 550 */ 1200, 1188, 1188, }; /********** End of lemon-generated parsing tables *****************************/ -/* The next table maps tokens (terminal symbols) into fallback tokens. +/* The next table maps tokens (terminal symbols) into fallback tokens. ** If a construct like the following: -** +** ** %fallback ID X Y Z. ** ** appears in the grammar, then ID becomes a fallback token for X, Y, @@ -150705,6 +155289,8 @@ static const YYCODETYPE yyFallback[] = { 59, /* GROUPS => ID */ 59, /* OTHERS => ID */ 59, /* TIES => ID */ + 59, /* GENERATED => ID */ + 59, /* ALWAYS => ID */ 59, /* REINDEX => ID */ 59, /* RENAME => ID */ 59, /* CTIME_KW => ID */ @@ -150847,10 +155433,10 @@ static char *yyTracePrompt = 0; #endif /* NDEBUG */ #ifndef NDEBUG -/* +/* ** Turn parser tracing on by giving a stream to which to write the trace ** and a prompt to preface each trace message. Tracing is turned off -** by making either argument NULL +** by making either argument NULL ** ** Inputs: ** <ul> @@ -150875,7 +155461,7 @@ SQLITE_PRIVATE void sqlite3ParserTrace(FILE *TraceFILE, char *zTracePrompt){ #if defined(YYCOVERAGE) || !defined(NDEBUG) /* For tracing shifts, the names of all terminals and nonterminals ** are required. The following table supplies these names */ -static const char *const yyTokenName[] = { +static const char *const yyTokenName[] = { /* 0 */ "$", /* 1 */ "SEMI", /* 2 */ "EXPLAIN", @@ -150971,218 +155557,221 @@ static const char *const yyTokenName[] = { /* 92 */ "GROUPS", /* 93 */ "OTHERS", /* 94 */ "TIES", - /* 95 */ "REINDEX", - /* 96 */ "RENAME", - /* 97 */ "CTIME_KW", - /* 98 */ "ANY", - /* 99 */ "BITAND", - /* 100 */ "BITOR", - /* 101 */ "LSHIFT", - /* 102 */ "RSHIFT", - /* 103 */ "PLUS", - /* 104 */ "MINUS", - /* 105 */ "STAR", - /* 106 */ "SLASH", - /* 107 */ "REM", - /* 108 */ "CONCAT", - /* 109 */ "COLLATE", - /* 110 */ "BITNOT", - /* 111 */ "ON", - /* 112 */ "INDEXED", - /* 113 */ "STRING", - /* 114 */ "JOIN_KW", - /* 115 */ "CONSTRAINT", - /* 116 */ "DEFAULT", - /* 117 */ "NULL", - /* 118 */ "PRIMARY", - /* 119 */ "UNIQUE", - /* 120 */ "CHECK", - /* 121 */ "REFERENCES", - /* 122 */ "AUTOINCR", - /* 123 */ "INSERT", - /* 124 */ "DELETE", - /* 125 */ "UPDATE", - /* 126 */ "SET", - /* 127 */ "DEFERRABLE", - /* 128 */ "FOREIGN", - /* 129 */ "DROP", - /* 130 */ "UNION", - /* 131 */ "ALL", - /* 132 */ "EXCEPT", - /* 133 */ "INTERSECT", - /* 134 */ "SELECT", - /* 135 */ "VALUES", - /* 136 */ "DISTINCT", - /* 137 */ "DOT", - /* 138 */ "FROM", - /* 139 */ "JOIN", - /* 140 */ "USING", - /* 141 */ "ORDER", - /* 142 */ "GROUP", - /* 143 */ "HAVING", - /* 144 */ "LIMIT", - /* 145 */ "WHERE", - /* 146 */ "INTO", - /* 147 */ "NOTHING", - /* 148 */ "FLOAT", - /* 149 */ "BLOB", - /* 150 */ "INTEGER", - /* 151 */ "VARIABLE", - /* 152 */ "CASE", - /* 153 */ "WHEN", - /* 154 */ "THEN", - /* 155 */ "ELSE", - /* 156 */ "INDEX", - /* 157 */ "ALTER", - /* 158 */ "ADD", - /* 159 */ "WINDOW", - /* 160 */ "OVER", - /* 161 */ "FILTER", - /* 162 */ "COLUMN", - /* 163 */ "AGG_FUNCTION", - /* 164 */ "AGG_COLUMN", - /* 165 */ "TRUEFALSE", - /* 166 */ "ISNOT", - /* 167 */ "FUNCTION", - /* 168 */ "UMINUS", - /* 169 */ "UPLUS", - /* 170 */ "TRUTH", - /* 171 */ "REGISTER", - /* 172 */ "VECTOR", - /* 173 */ "SELECT_COLUMN", - /* 174 */ "IF_NULL_ROW", - /* 175 */ "ASTERISK", - /* 176 */ "SPAN", - /* 177 */ "SPACE", - /* 178 */ "ILLEGAL", - /* 179 */ "input", - /* 180 */ "cmdlist", - /* 181 */ "ecmd", - /* 182 */ "cmdx", - /* 183 */ "explain", - /* 184 */ "cmd", - /* 185 */ "transtype", - /* 186 */ "trans_opt", - /* 187 */ "nm", - /* 188 */ "savepoint_opt", - /* 189 */ "create_table", - /* 190 */ "create_table_args", - /* 191 */ "createkw", - /* 192 */ "temp", - /* 193 */ "ifnotexists", - /* 194 */ "dbnm", - /* 195 */ "columnlist", - /* 196 */ "conslist_opt", - /* 197 */ "table_options", - /* 198 */ "select", - /* 199 */ "columnname", - /* 200 */ "carglist", - /* 201 */ "typetoken", - /* 202 */ "typename", - /* 203 */ "signed", - /* 204 */ "plus_num", - /* 205 */ "minus_num", - /* 206 */ "scanpt", - /* 207 */ "scantok", - /* 208 */ "ccons", - /* 209 */ "term", - /* 210 */ "expr", - /* 211 */ "onconf", - /* 212 */ "sortorder", - /* 213 */ "autoinc", - /* 214 */ "eidlist_opt", - /* 215 */ "refargs", - /* 216 */ "defer_subclause", - /* 217 */ "refarg", - /* 218 */ "refact", - /* 219 */ "init_deferred_pred_opt", - /* 220 */ "conslist", - /* 221 */ "tconscomma", - /* 222 */ "tcons", - /* 223 */ "sortlist", - /* 224 */ "eidlist", - /* 225 */ "defer_subclause_opt", - /* 226 */ "orconf", - /* 227 */ "resolvetype", - /* 228 */ "raisetype", - /* 229 */ "ifexists", - /* 230 */ "fullname", - /* 231 */ "selectnowith", - /* 232 */ "oneselect", - /* 233 */ "wqlist", - /* 234 */ "multiselect_op", - /* 235 */ "distinct", - /* 236 */ "selcollist", - /* 237 */ "from", - /* 238 */ "where_opt", - /* 239 */ "groupby_opt", - /* 240 */ "having_opt", - /* 241 */ "orderby_opt", - /* 242 */ "limit_opt", - /* 243 */ "window_clause", - /* 244 */ "values", - /* 245 */ "nexprlist", - /* 246 */ "sclp", - /* 247 */ "as", - /* 248 */ "seltablist", - /* 249 */ "stl_prefix", - /* 250 */ "joinop", - /* 251 */ "indexed_opt", - /* 252 */ "on_opt", - /* 253 */ "using_opt", - /* 254 */ "exprlist", - /* 255 */ "xfullname", - /* 256 */ "idlist", - /* 257 */ "nulls", - /* 258 */ "with", - /* 259 */ "setlist", - /* 260 */ "insert_cmd", - /* 261 */ "idlist_opt", - /* 262 */ "upsert", - /* 263 */ "filter_over", - /* 264 */ "likeop", - /* 265 */ "between_op", - /* 266 */ "in_op", - /* 267 */ "paren_exprlist", - /* 268 */ "case_operand", - /* 269 */ "case_exprlist", - /* 270 */ "case_else", - /* 271 */ "uniqueflag", - /* 272 */ "collate", - /* 273 */ "vinto", - /* 274 */ "nmnum", - /* 275 */ "trigger_decl", - /* 276 */ "trigger_cmd_list", - /* 277 */ "trigger_time", - /* 278 */ "trigger_event", - /* 279 */ "foreach_clause", - /* 280 */ "when_clause", - /* 281 */ "trigger_cmd", - /* 282 */ "trnm", - /* 283 */ "tridxby", - /* 284 */ "database_kw_opt", - /* 285 */ "key_opt", - /* 286 */ "add_column_fullname", - /* 287 */ "kwcolumn_opt", - /* 288 */ "create_vtab", - /* 289 */ "vtabarglist", - /* 290 */ "vtabarg", - /* 291 */ "vtabargtoken", - /* 292 */ "lp", - /* 293 */ "anylist", - /* 294 */ "windowdefn_list", - /* 295 */ "windowdefn", - /* 296 */ "window", - /* 297 */ "frame_opt", - /* 298 */ "part_opt", - /* 299 */ "filter_clause", - /* 300 */ "over_clause", - /* 301 */ "range_or_rows", - /* 302 */ "frame_bound", - /* 303 */ "frame_bound_s", - /* 304 */ "frame_bound_e", - /* 305 */ "frame_exclude_opt", - /* 306 */ "frame_exclude", + /* 95 */ "GENERATED", + /* 96 */ "ALWAYS", + /* 97 */ "REINDEX", + /* 98 */ "RENAME", + /* 99 */ "CTIME_KW", + /* 100 */ "ANY", + /* 101 */ "BITAND", + /* 102 */ "BITOR", + /* 103 */ "LSHIFT", + /* 104 */ "RSHIFT", + /* 105 */ "PLUS", + /* 106 */ "MINUS", + /* 107 */ "STAR", + /* 108 */ "SLASH", + /* 109 */ "REM", + /* 110 */ "CONCAT", + /* 111 */ "COLLATE", + /* 112 */ "BITNOT", + /* 113 */ "ON", + /* 114 */ "INDEXED", + /* 115 */ "STRING", + /* 116 */ "JOIN_KW", + /* 117 */ "CONSTRAINT", + /* 118 */ "DEFAULT", + /* 119 */ "NULL", + /* 120 */ "PRIMARY", + /* 121 */ "UNIQUE", + /* 122 */ "CHECK", + /* 123 */ "REFERENCES", + /* 124 */ "AUTOINCR", + /* 125 */ "INSERT", + /* 126 */ "DELETE", + /* 127 */ "UPDATE", + /* 128 */ "SET", + /* 129 */ "DEFERRABLE", + /* 130 */ "FOREIGN", + /* 131 */ "DROP", + /* 132 */ "UNION", + /* 133 */ "ALL", + /* 134 */ "EXCEPT", + /* 135 */ "INTERSECT", + /* 136 */ "SELECT", + /* 137 */ "VALUES", + /* 138 */ "DISTINCT", + /* 139 */ "DOT", + /* 140 */ "FROM", + /* 141 */ "JOIN", + /* 142 */ "USING", + /* 143 */ "ORDER", + /* 144 */ "GROUP", + /* 145 */ "HAVING", + /* 146 */ "LIMIT", + /* 147 */ "WHERE", + /* 148 */ "INTO", + /* 149 */ "NOTHING", + /* 150 */ "FLOAT", + /* 151 */ "BLOB", + /* 152 */ "INTEGER", + /* 153 */ "VARIABLE", + /* 154 */ "CASE", + /* 155 */ "WHEN", + /* 156 */ "THEN", + /* 157 */ "ELSE", + /* 158 */ "INDEX", + /* 159 */ "ALTER", + /* 160 */ "ADD", + /* 161 */ "WINDOW", + /* 162 */ "OVER", + /* 163 */ "FILTER", + /* 164 */ "COLUMN", + /* 165 */ "AGG_FUNCTION", + /* 166 */ "AGG_COLUMN", + /* 167 */ "TRUEFALSE", + /* 168 */ "ISNOT", + /* 169 */ "FUNCTION", + /* 170 */ "UMINUS", + /* 171 */ "UPLUS", + /* 172 */ "TRUTH", + /* 173 */ "REGISTER", + /* 174 */ "VECTOR", + /* 175 */ "SELECT_COLUMN", + /* 176 */ "IF_NULL_ROW", + /* 177 */ "ASTERISK", + /* 178 */ "SPAN", + /* 179 */ "SPACE", + /* 180 */ "ILLEGAL", + /* 181 */ "input", + /* 182 */ "cmdlist", + /* 183 */ "ecmd", + /* 184 */ "cmdx", + /* 185 */ "explain", + /* 186 */ "cmd", + /* 187 */ "transtype", + /* 188 */ "trans_opt", + /* 189 */ "nm", + /* 190 */ "savepoint_opt", + /* 191 */ "create_table", + /* 192 */ "create_table_args", + /* 193 */ "createkw", + /* 194 */ "temp", + /* 195 */ "ifnotexists", + /* 196 */ "dbnm", + /* 197 */ "columnlist", + /* 198 */ "conslist_opt", + /* 199 */ "table_options", + /* 200 */ "select", + /* 201 */ "columnname", + /* 202 */ "carglist", + /* 203 */ "typetoken", + /* 204 */ "typename", + /* 205 */ "signed", + /* 206 */ "plus_num", + /* 207 */ "minus_num", + /* 208 */ "scanpt", + /* 209 */ "scantok", + /* 210 */ "ccons", + /* 211 */ "term", + /* 212 */ "expr", + /* 213 */ "onconf", + /* 214 */ "sortorder", + /* 215 */ "autoinc", + /* 216 */ "eidlist_opt", + /* 217 */ "refargs", + /* 218 */ "defer_subclause", + /* 219 */ "generated", + /* 220 */ "refarg", + /* 221 */ "refact", + /* 222 */ "init_deferred_pred_opt", + /* 223 */ "conslist", + /* 224 */ "tconscomma", + /* 225 */ "tcons", + /* 226 */ "sortlist", + /* 227 */ "eidlist", + /* 228 */ "defer_subclause_opt", + /* 229 */ "orconf", + /* 230 */ "resolvetype", + /* 231 */ "raisetype", + /* 232 */ "ifexists", + /* 233 */ "fullname", + /* 234 */ "selectnowith", + /* 235 */ "oneselect", + /* 236 */ "wqlist", + /* 237 */ "multiselect_op", + /* 238 */ "distinct", + /* 239 */ "selcollist", + /* 240 */ "from", + /* 241 */ "where_opt", + /* 242 */ "groupby_opt", + /* 243 */ "having_opt", + /* 244 */ "orderby_opt", + /* 245 */ "limit_opt", + /* 246 */ "window_clause", + /* 247 */ "values", + /* 248 */ "nexprlist", + /* 249 */ "sclp", + /* 250 */ "as", + /* 251 */ "seltablist", + /* 252 */ "stl_prefix", + /* 253 */ "joinop", + /* 254 */ "indexed_opt", + /* 255 */ "on_opt", + /* 256 */ "using_opt", + /* 257 */ "exprlist", + /* 258 */ "xfullname", + /* 259 */ "idlist", + /* 260 */ "nulls", + /* 261 */ "with", + /* 262 */ "setlist", + /* 263 */ "insert_cmd", + /* 264 */ "idlist_opt", + /* 265 */ "upsert", + /* 266 */ "filter_over", + /* 267 */ "likeop", + /* 268 */ "between_op", + /* 269 */ "in_op", + /* 270 */ "paren_exprlist", + /* 271 */ "case_operand", + /* 272 */ "case_exprlist", + /* 273 */ "case_else", + /* 274 */ "uniqueflag", + /* 275 */ "collate", + /* 276 */ "vinto", + /* 277 */ "nmnum", + /* 278 */ "trigger_decl", + /* 279 */ "trigger_cmd_list", + /* 280 */ "trigger_time", + /* 281 */ "trigger_event", + /* 282 */ "foreach_clause", + /* 283 */ "when_clause", + /* 284 */ "trigger_cmd", + /* 285 */ "trnm", + /* 286 */ "tridxby", + /* 287 */ "database_kw_opt", + /* 288 */ "key_opt", + /* 289 */ "add_column_fullname", + /* 290 */ "kwcolumn_opt", + /* 291 */ "create_vtab", + /* 292 */ "vtabarglist", + /* 293 */ "vtabarg", + /* 294 */ "vtabargtoken", + /* 295 */ "lp", + /* 296 */ "anylist", + /* 297 */ "windowdefn_list", + /* 298 */ "windowdefn", + /* 299 */ "window", + /* 300 */ "frame_opt", + /* 301 */ "part_opt", + /* 302 */ "filter_clause", + /* 303 */ "over_clause", + /* 304 */ "range_or_rows", + /* 305 */ "frame_bound", + /* 306 */ "frame_bound_s", + /* 307 */ "frame_bound_e", + /* 308 */ "frame_exclude_opt", + /* 309 */ "frame_exclude", }; #endif /* defined(YYCOVERAGE) || !defined(NDEBUG) */ @@ -151233,344 +155822,348 @@ static const char *const yyRuleName[] = { /* 40 */ "ccons ::= REFERENCES nm eidlist_opt refargs", /* 41 */ "ccons ::= defer_subclause", /* 42 */ "ccons ::= COLLATE ID|STRING", - /* 43 */ "autoinc ::=", - /* 44 */ "autoinc ::= AUTOINCR", - /* 45 */ "refargs ::=", - /* 46 */ "refargs ::= refargs refarg", - /* 47 */ "refarg ::= MATCH nm", - /* 48 */ "refarg ::= ON INSERT refact", - /* 49 */ "refarg ::= ON DELETE refact", - /* 50 */ "refarg ::= ON UPDATE refact", - /* 51 */ "refact ::= SET NULL", - /* 52 */ "refact ::= SET DEFAULT", - /* 53 */ "refact ::= CASCADE", - /* 54 */ "refact ::= RESTRICT", - /* 55 */ "refact ::= NO ACTION", - /* 56 */ "defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt", - /* 57 */ "defer_subclause ::= DEFERRABLE init_deferred_pred_opt", - /* 58 */ "init_deferred_pred_opt ::=", - /* 59 */ "init_deferred_pred_opt ::= INITIALLY DEFERRED", - /* 60 */ "init_deferred_pred_opt ::= INITIALLY IMMEDIATE", - /* 61 */ "conslist_opt ::=", - /* 62 */ "tconscomma ::= COMMA", - /* 63 */ "tcons ::= CONSTRAINT nm", - /* 64 */ "tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf", - /* 65 */ "tcons ::= UNIQUE LP sortlist RP onconf", - /* 66 */ "tcons ::= CHECK LP expr RP onconf", - /* 67 */ "tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt", - /* 68 */ "defer_subclause_opt ::=", - /* 69 */ "onconf ::=", - /* 70 */ "onconf ::= ON CONFLICT resolvetype", - /* 71 */ "orconf ::=", - /* 72 */ "orconf ::= OR resolvetype", - /* 73 */ "resolvetype ::= IGNORE", - /* 74 */ "resolvetype ::= REPLACE", - /* 75 */ "cmd ::= DROP TABLE ifexists fullname", - /* 76 */ "ifexists ::= IF EXISTS", - /* 77 */ "ifexists ::=", - /* 78 */ "cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select", - /* 79 */ "cmd ::= DROP VIEW ifexists fullname", - /* 80 */ "cmd ::= select", - /* 81 */ "select ::= WITH wqlist selectnowith", - /* 82 */ "select ::= WITH RECURSIVE wqlist selectnowith", - /* 83 */ "select ::= selectnowith", - /* 84 */ "selectnowith ::= selectnowith multiselect_op oneselect", - /* 85 */ "multiselect_op ::= UNION", - /* 86 */ "multiselect_op ::= UNION ALL", - /* 87 */ "multiselect_op ::= EXCEPT|INTERSECT", - /* 88 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt", - /* 89 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt", - /* 90 */ "values ::= VALUES LP nexprlist RP", - /* 91 */ "values ::= values COMMA LP nexprlist RP", - /* 92 */ "distinct ::= DISTINCT", - /* 93 */ "distinct ::= ALL", - /* 94 */ "distinct ::=", - /* 95 */ "sclp ::=", - /* 96 */ "selcollist ::= sclp scanpt expr scanpt as", - /* 97 */ "selcollist ::= sclp scanpt STAR", - /* 98 */ "selcollist ::= sclp scanpt nm DOT STAR", - /* 99 */ "as ::= AS nm", - /* 100 */ "as ::=", - /* 101 */ "from ::=", - /* 102 */ "from ::= FROM seltablist", - /* 103 */ "stl_prefix ::= seltablist joinop", - /* 104 */ "stl_prefix ::=", - /* 105 */ "seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt", - /* 106 */ "seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt", - /* 107 */ "seltablist ::= stl_prefix LP select RP as on_opt using_opt", - /* 108 */ "seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt", - /* 109 */ "dbnm ::=", - /* 110 */ "dbnm ::= DOT nm", - /* 111 */ "fullname ::= nm", - /* 112 */ "fullname ::= nm DOT nm", - /* 113 */ "xfullname ::= nm", - /* 114 */ "xfullname ::= nm DOT nm", - /* 115 */ "xfullname ::= nm DOT nm AS nm", - /* 116 */ "xfullname ::= nm AS nm", - /* 117 */ "joinop ::= COMMA|JOIN", - /* 118 */ "joinop ::= JOIN_KW JOIN", - /* 119 */ "joinop ::= JOIN_KW nm JOIN", - /* 120 */ "joinop ::= JOIN_KW nm nm JOIN", - /* 121 */ "on_opt ::= ON expr", - /* 122 */ "on_opt ::=", - /* 123 */ "indexed_opt ::=", - /* 124 */ "indexed_opt ::= INDEXED BY nm", - /* 125 */ "indexed_opt ::= NOT INDEXED", - /* 126 */ "using_opt ::= USING LP idlist RP", - /* 127 */ "using_opt ::=", - /* 128 */ "orderby_opt ::=", - /* 129 */ "orderby_opt ::= ORDER BY sortlist", - /* 130 */ "sortlist ::= sortlist COMMA expr sortorder nulls", - /* 131 */ "sortlist ::= expr sortorder nulls", - /* 132 */ "sortorder ::= ASC", - /* 133 */ "sortorder ::= DESC", - /* 134 */ "sortorder ::=", - /* 135 */ "nulls ::= NULLS FIRST", - /* 136 */ "nulls ::= NULLS LAST", - /* 137 */ "nulls ::=", - /* 138 */ "groupby_opt ::=", - /* 139 */ "groupby_opt ::= GROUP BY nexprlist", - /* 140 */ "having_opt ::=", - /* 141 */ "having_opt ::= HAVING expr", - /* 142 */ "limit_opt ::=", - /* 143 */ "limit_opt ::= LIMIT expr", - /* 144 */ "limit_opt ::= LIMIT expr OFFSET expr", - /* 145 */ "limit_opt ::= LIMIT expr COMMA expr", - /* 146 */ "cmd ::= with DELETE FROM xfullname indexed_opt where_opt", - /* 147 */ "where_opt ::=", - /* 148 */ "where_opt ::= WHERE expr", - /* 149 */ "cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt", - /* 150 */ "setlist ::= setlist COMMA nm EQ expr", - /* 151 */ "setlist ::= setlist COMMA LP idlist RP EQ expr", - /* 152 */ "setlist ::= nm EQ expr", - /* 153 */ "setlist ::= LP idlist RP EQ expr", - /* 154 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert", - /* 155 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES", - /* 156 */ "upsert ::=", - /* 157 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt", - /* 158 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING", - /* 159 */ "upsert ::= ON CONFLICT DO NOTHING", - /* 160 */ "insert_cmd ::= INSERT orconf", - /* 161 */ "insert_cmd ::= REPLACE", - /* 162 */ "idlist_opt ::=", - /* 163 */ "idlist_opt ::= LP idlist RP", - /* 164 */ "idlist ::= idlist COMMA nm", - /* 165 */ "idlist ::= nm", - /* 166 */ "expr ::= LP expr RP", - /* 167 */ "expr ::= ID|INDEXED", - /* 168 */ "expr ::= JOIN_KW", - /* 169 */ "expr ::= nm DOT nm", - /* 170 */ "expr ::= nm DOT nm DOT nm", - /* 171 */ "term ::= NULL|FLOAT|BLOB", - /* 172 */ "term ::= STRING", - /* 173 */ "term ::= INTEGER", - /* 174 */ "expr ::= VARIABLE", - /* 175 */ "expr ::= expr COLLATE ID|STRING", - /* 176 */ "expr ::= CAST LP expr AS typetoken RP", - /* 177 */ "expr ::= ID|INDEXED LP distinct exprlist RP", - /* 178 */ "expr ::= ID|INDEXED LP STAR RP", - /* 179 */ "expr ::= ID|INDEXED LP distinct exprlist RP filter_over", - /* 180 */ "expr ::= ID|INDEXED LP STAR RP filter_over", - /* 181 */ "term ::= CTIME_KW", - /* 182 */ "expr ::= LP nexprlist COMMA expr RP", - /* 183 */ "expr ::= expr AND expr", - /* 184 */ "expr ::= expr OR expr", - /* 185 */ "expr ::= expr LT|GT|GE|LE expr", - /* 186 */ "expr ::= expr EQ|NE expr", - /* 187 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr", - /* 188 */ "expr ::= expr PLUS|MINUS expr", - /* 189 */ "expr ::= expr STAR|SLASH|REM expr", - /* 190 */ "expr ::= expr CONCAT expr", - /* 191 */ "likeop ::= NOT LIKE_KW|MATCH", - /* 192 */ "expr ::= expr likeop expr", - /* 193 */ "expr ::= expr likeop expr ESCAPE expr", - /* 194 */ "expr ::= expr ISNULL|NOTNULL", - /* 195 */ "expr ::= expr NOT NULL", - /* 196 */ "expr ::= expr IS expr", - /* 197 */ "expr ::= expr IS NOT expr", - /* 198 */ "expr ::= NOT expr", - /* 199 */ "expr ::= BITNOT expr", - /* 200 */ "expr ::= PLUS|MINUS expr", - /* 201 */ "between_op ::= BETWEEN", - /* 202 */ "between_op ::= NOT BETWEEN", - /* 203 */ "expr ::= expr between_op expr AND expr", - /* 204 */ "in_op ::= IN", - /* 205 */ "in_op ::= NOT IN", - /* 206 */ "expr ::= expr in_op LP exprlist RP", - /* 207 */ "expr ::= LP select RP", - /* 208 */ "expr ::= expr in_op LP select RP", - /* 209 */ "expr ::= expr in_op nm dbnm paren_exprlist", - /* 210 */ "expr ::= EXISTS LP select RP", - /* 211 */ "expr ::= CASE case_operand case_exprlist case_else END", - /* 212 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr", - /* 213 */ "case_exprlist ::= WHEN expr THEN expr", - /* 214 */ "case_else ::= ELSE expr", - /* 215 */ "case_else ::=", - /* 216 */ "case_operand ::= expr", - /* 217 */ "case_operand ::=", - /* 218 */ "exprlist ::=", - /* 219 */ "nexprlist ::= nexprlist COMMA expr", - /* 220 */ "nexprlist ::= expr", - /* 221 */ "paren_exprlist ::=", - /* 222 */ "paren_exprlist ::= LP exprlist RP", - /* 223 */ "cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt", - /* 224 */ "uniqueflag ::= UNIQUE", - /* 225 */ "uniqueflag ::=", - /* 226 */ "eidlist_opt ::=", - /* 227 */ "eidlist_opt ::= LP eidlist RP", - /* 228 */ "eidlist ::= eidlist COMMA nm collate sortorder", - /* 229 */ "eidlist ::= nm collate sortorder", - /* 230 */ "collate ::=", - /* 231 */ "collate ::= COLLATE ID|STRING", - /* 232 */ "cmd ::= DROP INDEX ifexists fullname", - /* 233 */ "cmd ::= VACUUM vinto", - /* 234 */ "cmd ::= VACUUM nm vinto", - /* 235 */ "vinto ::= INTO expr", - /* 236 */ "vinto ::=", - /* 237 */ "cmd ::= PRAGMA nm dbnm", - /* 238 */ "cmd ::= PRAGMA nm dbnm EQ nmnum", - /* 239 */ "cmd ::= PRAGMA nm dbnm LP nmnum RP", - /* 240 */ "cmd ::= PRAGMA nm dbnm EQ minus_num", - /* 241 */ "cmd ::= PRAGMA nm dbnm LP minus_num RP", - /* 242 */ "plus_num ::= PLUS INTEGER|FLOAT", - /* 243 */ "minus_num ::= MINUS INTEGER|FLOAT", - /* 244 */ "cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END", - /* 245 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause", - /* 246 */ "trigger_time ::= BEFORE|AFTER", - /* 247 */ "trigger_time ::= INSTEAD OF", - /* 248 */ "trigger_time ::=", - /* 249 */ "trigger_event ::= DELETE|INSERT", - /* 250 */ "trigger_event ::= UPDATE", - /* 251 */ "trigger_event ::= UPDATE OF idlist", - /* 252 */ "when_clause ::=", - /* 253 */ "when_clause ::= WHEN expr", - /* 254 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI", - /* 255 */ "trigger_cmd_list ::= trigger_cmd SEMI", - /* 256 */ "trnm ::= nm DOT nm", - /* 257 */ "tridxby ::= INDEXED BY nm", - /* 258 */ "tridxby ::= NOT INDEXED", - /* 259 */ "trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt", - /* 260 */ "trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt", - /* 261 */ "trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt", - /* 262 */ "trigger_cmd ::= scanpt select scanpt", - /* 263 */ "expr ::= RAISE LP IGNORE RP", - /* 264 */ "expr ::= RAISE LP raisetype COMMA nm RP", - /* 265 */ "raisetype ::= ROLLBACK", - /* 266 */ "raisetype ::= ABORT", - /* 267 */ "raisetype ::= FAIL", - /* 268 */ "cmd ::= DROP TRIGGER ifexists fullname", - /* 269 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt", - /* 270 */ "cmd ::= DETACH database_kw_opt expr", - /* 271 */ "key_opt ::=", - /* 272 */ "key_opt ::= KEY expr", - /* 273 */ "cmd ::= REINDEX", - /* 274 */ "cmd ::= REINDEX nm dbnm", - /* 275 */ "cmd ::= ANALYZE", - /* 276 */ "cmd ::= ANALYZE nm dbnm", - /* 277 */ "cmd ::= ALTER TABLE fullname RENAME TO nm", - /* 278 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist", - /* 279 */ "add_column_fullname ::= fullname", - /* 280 */ "cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm", - /* 281 */ "cmd ::= create_vtab", - /* 282 */ "cmd ::= create_vtab LP vtabarglist RP", - /* 283 */ "create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm", - /* 284 */ "vtabarg ::=", - /* 285 */ "vtabargtoken ::= ANY", - /* 286 */ "vtabargtoken ::= lp anylist RP", - /* 287 */ "lp ::= LP", - /* 288 */ "with ::= WITH wqlist", - /* 289 */ "with ::= WITH RECURSIVE wqlist", - /* 290 */ "wqlist ::= nm eidlist_opt AS LP select RP", - /* 291 */ "wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP", - /* 292 */ "windowdefn_list ::= windowdefn", - /* 293 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", - /* 294 */ "windowdefn ::= nm AS LP window RP", - /* 295 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", - /* 296 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", - /* 297 */ "window ::= ORDER BY sortlist frame_opt", - /* 298 */ "window ::= nm ORDER BY sortlist frame_opt", - /* 299 */ "window ::= frame_opt", - /* 300 */ "window ::= nm frame_opt", - /* 301 */ "frame_opt ::=", - /* 302 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", - /* 303 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", - /* 304 */ "range_or_rows ::= RANGE|ROWS|GROUPS", - /* 305 */ "frame_bound_s ::= frame_bound", - /* 306 */ "frame_bound_s ::= UNBOUNDED PRECEDING", - /* 307 */ "frame_bound_e ::= frame_bound", - /* 308 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", - /* 309 */ "frame_bound ::= expr PRECEDING|FOLLOWING", - /* 310 */ "frame_bound ::= CURRENT ROW", - /* 311 */ "frame_exclude_opt ::=", - /* 312 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", - /* 313 */ "frame_exclude ::= NO OTHERS", - /* 314 */ "frame_exclude ::= CURRENT ROW", - /* 315 */ "frame_exclude ::= GROUP|TIES", - /* 316 */ "window_clause ::= WINDOW windowdefn_list", - /* 317 */ "filter_over ::= filter_clause over_clause", - /* 318 */ "filter_over ::= over_clause", - /* 319 */ "filter_over ::= filter_clause", - /* 320 */ "over_clause ::= OVER LP window RP", - /* 321 */ "over_clause ::= OVER nm", - /* 322 */ "filter_clause ::= FILTER LP WHERE expr RP", - /* 323 */ "input ::= cmdlist", - /* 324 */ "cmdlist ::= cmdlist ecmd", - /* 325 */ "cmdlist ::= ecmd", - /* 326 */ "ecmd ::= SEMI", - /* 327 */ "ecmd ::= cmdx SEMI", - /* 328 */ "ecmd ::= explain cmdx", - /* 329 */ "trans_opt ::=", - /* 330 */ "trans_opt ::= TRANSACTION", - /* 331 */ "trans_opt ::= TRANSACTION nm", - /* 332 */ "savepoint_opt ::= SAVEPOINT", - /* 333 */ "savepoint_opt ::=", - /* 334 */ "cmd ::= create_table create_table_args", - /* 335 */ "columnlist ::= columnlist COMMA columnname carglist", - /* 336 */ "columnlist ::= columnname carglist", - /* 337 */ "nm ::= ID|INDEXED", - /* 338 */ "nm ::= STRING", - /* 339 */ "nm ::= JOIN_KW", - /* 340 */ "typetoken ::= typename", - /* 341 */ "typename ::= ID|STRING", - /* 342 */ "signed ::= plus_num", - /* 343 */ "signed ::= minus_num", - /* 344 */ "carglist ::= carglist ccons", - /* 345 */ "carglist ::=", - /* 346 */ "ccons ::= NULL onconf", - /* 347 */ "conslist_opt ::= COMMA conslist", - /* 348 */ "conslist ::= conslist tconscomma tcons", - /* 349 */ "conslist ::= tcons", - /* 350 */ "tconscomma ::=", - /* 351 */ "defer_subclause_opt ::= defer_subclause", - /* 352 */ "resolvetype ::= raisetype", - /* 353 */ "selectnowith ::= oneselect", - /* 354 */ "oneselect ::= values", - /* 355 */ "sclp ::= selcollist COMMA", - /* 356 */ "as ::= ID|STRING", - /* 357 */ "expr ::= term", - /* 358 */ "likeop ::= LIKE_KW|MATCH", - /* 359 */ "exprlist ::= nexprlist", - /* 360 */ "nmnum ::= plus_num", - /* 361 */ "nmnum ::= nm", - /* 362 */ "nmnum ::= ON", - /* 363 */ "nmnum ::= DELETE", - /* 364 */ "nmnum ::= DEFAULT", - /* 365 */ "plus_num ::= INTEGER|FLOAT", - /* 366 */ "foreach_clause ::=", - /* 367 */ "foreach_clause ::= FOR EACH ROW", - /* 368 */ "trnm ::= nm", - /* 369 */ "tridxby ::=", - /* 370 */ "database_kw_opt ::= DATABASE", - /* 371 */ "database_kw_opt ::=", - /* 372 */ "kwcolumn_opt ::=", - /* 373 */ "kwcolumn_opt ::= COLUMNKW", - /* 374 */ "vtabarglist ::= vtabarg", - /* 375 */ "vtabarglist ::= vtabarglist COMMA vtabarg", - /* 376 */ "vtabarg ::= vtabarg vtabargtoken", - /* 377 */ "anylist ::=", - /* 378 */ "anylist ::= anylist LP anylist RP", - /* 379 */ "anylist ::= anylist ANY", - /* 380 */ "with ::=", + /* 43 */ "generated ::= LP expr RP", + /* 44 */ "generated ::= LP expr RP ID", + /* 45 */ "autoinc ::=", + /* 46 */ "autoinc ::= AUTOINCR", + /* 47 */ "refargs ::=", + /* 48 */ "refargs ::= refargs refarg", + /* 49 */ "refarg ::= MATCH nm", + /* 50 */ "refarg ::= ON INSERT refact", + /* 51 */ "refarg ::= ON DELETE refact", + /* 52 */ "refarg ::= ON UPDATE refact", + /* 53 */ "refact ::= SET NULL", + /* 54 */ "refact ::= SET DEFAULT", + /* 55 */ "refact ::= CASCADE", + /* 56 */ "refact ::= RESTRICT", + /* 57 */ "refact ::= NO ACTION", + /* 58 */ "defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt", + /* 59 */ "defer_subclause ::= DEFERRABLE init_deferred_pred_opt", + /* 60 */ "init_deferred_pred_opt ::=", + /* 61 */ "init_deferred_pred_opt ::= INITIALLY DEFERRED", + /* 62 */ "init_deferred_pred_opt ::= INITIALLY IMMEDIATE", + /* 63 */ "conslist_opt ::=", + /* 64 */ "tconscomma ::= COMMA", + /* 65 */ "tcons ::= CONSTRAINT nm", + /* 66 */ "tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf", + /* 67 */ "tcons ::= UNIQUE LP sortlist RP onconf", + /* 68 */ "tcons ::= CHECK LP expr RP onconf", + /* 69 */ "tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt", + /* 70 */ "defer_subclause_opt ::=", + /* 71 */ "onconf ::=", + /* 72 */ "onconf ::= ON CONFLICT resolvetype", + /* 73 */ "orconf ::=", + /* 74 */ "orconf ::= OR resolvetype", + /* 75 */ "resolvetype ::= IGNORE", + /* 76 */ "resolvetype ::= REPLACE", + /* 77 */ "cmd ::= DROP TABLE ifexists fullname", + /* 78 */ "ifexists ::= IF EXISTS", + /* 79 */ "ifexists ::=", + /* 80 */ "cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select", + /* 81 */ "cmd ::= DROP VIEW ifexists fullname", + /* 82 */ "cmd ::= select", + /* 83 */ "select ::= WITH wqlist selectnowith", + /* 84 */ "select ::= WITH RECURSIVE wqlist selectnowith", + /* 85 */ "select ::= selectnowith", + /* 86 */ "selectnowith ::= selectnowith multiselect_op oneselect", + /* 87 */ "multiselect_op ::= UNION", + /* 88 */ "multiselect_op ::= UNION ALL", + /* 89 */ "multiselect_op ::= EXCEPT|INTERSECT", + /* 90 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt", + /* 91 */ "oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt", + /* 92 */ "values ::= VALUES LP nexprlist RP", + /* 93 */ "values ::= values COMMA LP nexprlist RP", + /* 94 */ "distinct ::= DISTINCT", + /* 95 */ "distinct ::= ALL", + /* 96 */ "distinct ::=", + /* 97 */ "sclp ::=", + /* 98 */ "selcollist ::= sclp scanpt expr scanpt as", + /* 99 */ "selcollist ::= sclp scanpt STAR", + /* 100 */ "selcollist ::= sclp scanpt nm DOT STAR", + /* 101 */ "as ::= AS nm", + /* 102 */ "as ::=", + /* 103 */ "from ::=", + /* 104 */ "from ::= FROM seltablist", + /* 105 */ "stl_prefix ::= seltablist joinop", + /* 106 */ "stl_prefix ::=", + /* 107 */ "seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt", + /* 108 */ "seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt", + /* 109 */ "seltablist ::= stl_prefix LP select RP as on_opt using_opt", + /* 110 */ "seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt", + /* 111 */ "dbnm ::=", + /* 112 */ "dbnm ::= DOT nm", + /* 113 */ "fullname ::= nm", + /* 114 */ "fullname ::= nm DOT nm", + /* 115 */ "xfullname ::= nm", + /* 116 */ "xfullname ::= nm DOT nm", + /* 117 */ "xfullname ::= nm DOT nm AS nm", + /* 118 */ "xfullname ::= nm AS nm", + /* 119 */ "joinop ::= COMMA|JOIN", + /* 120 */ "joinop ::= JOIN_KW JOIN", + /* 121 */ "joinop ::= JOIN_KW nm JOIN", + /* 122 */ "joinop ::= JOIN_KW nm nm JOIN", + /* 123 */ "on_opt ::= ON expr", + /* 124 */ "on_opt ::=", + /* 125 */ "indexed_opt ::=", + /* 126 */ "indexed_opt ::= INDEXED BY nm", + /* 127 */ "indexed_opt ::= NOT INDEXED", + /* 128 */ "using_opt ::= USING LP idlist RP", + /* 129 */ "using_opt ::=", + /* 130 */ "orderby_opt ::=", + /* 131 */ "orderby_opt ::= ORDER BY sortlist", + /* 132 */ "sortlist ::= sortlist COMMA expr sortorder nulls", + /* 133 */ "sortlist ::= expr sortorder nulls", + /* 134 */ "sortorder ::= ASC", + /* 135 */ "sortorder ::= DESC", + /* 136 */ "sortorder ::=", + /* 137 */ "nulls ::= NULLS FIRST", + /* 138 */ "nulls ::= NULLS LAST", + /* 139 */ "nulls ::=", + /* 140 */ "groupby_opt ::=", + /* 141 */ "groupby_opt ::= GROUP BY nexprlist", + /* 142 */ "having_opt ::=", + /* 143 */ "having_opt ::= HAVING expr", + /* 144 */ "limit_opt ::=", + /* 145 */ "limit_opt ::= LIMIT expr", + /* 146 */ "limit_opt ::= LIMIT expr OFFSET expr", + /* 147 */ "limit_opt ::= LIMIT expr COMMA expr", + /* 148 */ "cmd ::= with DELETE FROM xfullname indexed_opt where_opt", + /* 149 */ "where_opt ::=", + /* 150 */ "where_opt ::= WHERE expr", + /* 151 */ "cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt", + /* 152 */ "setlist ::= setlist COMMA nm EQ expr", + /* 153 */ "setlist ::= setlist COMMA LP idlist RP EQ expr", + /* 154 */ "setlist ::= nm EQ expr", + /* 155 */ "setlist ::= LP idlist RP EQ expr", + /* 156 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert", + /* 157 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES", + /* 158 */ "upsert ::=", + /* 159 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt", + /* 160 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING", + /* 161 */ "upsert ::= ON CONFLICT DO NOTHING", + /* 162 */ "insert_cmd ::= INSERT orconf", + /* 163 */ "insert_cmd ::= REPLACE", + /* 164 */ "idlist_opt ::=", + /* 165 */ "idlist_opt ::= LP idlist RP", + /* 166 */ "idlist ::= idlist COMMA nm", + /* 167 */ "idlist ::= nm", + /* 168 */ "expr ::= LP expr RP", + /* 169 */ "expr ::= ID|INDEXED", + /* 170 */ "expr ::= JOIN_KW", + /* 171 */ "expr ::= nm DOT nm", + /* 172 */ "expr ::= nm DOT nm DOT nm", + /* 173 */ "term ::= NULL|FLOAT|BLOB", + /* 174 */ "term ::= STRING", + /* 175 */ "term ::= INTEGER", + /* 176 */ "expr ::= VARIABLE", + /* 177 */ "expr ::= expr COLLATE ID|STRING", + /* 178 */ "expr ::= CAST LP expr AS typetoken RP", + /* 179 */ "expr ::= ID|INDEXED LP distinct exprlist RP", + /* 180 */ "expr ::= ID|INDEXED LP STAR RP", + /* 181 */ "expr ::= ID|INDEXED LP distinct exprlist RP filter_over", + /* 182 */ "expr ::= ID|INDEXED LP STAR RP filter_over", + /* 183 */ "term ::= CTIME_KW", + /* 184 */ "expr ::= LP nexprlist COMMA expr RP", + /* 185 */ "expr ::= expr AND expr", + /* 186 */ "expr ::= expr OR expr", + /* 187 */ "expr ::= expr LT|GT|GE|LE expr", + /* 188 */ "expr ::= expr EQ|NE expr", + /* 189 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr", + /* 190 */ "expr ::= expr PLUS|MINUS expr", + /* 191 */ "expr ::= expr STAR|SLASH|REM expr", + /* 192 */ "expr ::= expr CONCAT expr", + /* 193 */ "likeop ::= NOT LIKE_KW|MATCH", + /* 194 */ "expr ::= expr likeop expr", + /* 195 */ "expr ::= expr likeop expr ESCAPE expr", + /* 196 */ "expr ::= expr ISNULL|NOTNULL", + /* 197 */ "expr ::= expr NOT NULL", + /* 198 */ "expr ::= expr IS expr", + /* 199 */ "expr ::= expr IS NOT expr", + /* 200 */ "expr ::= NOT expr", + /* 201 */ "expr ::= BITNOT expr", + /* 202 */ "expr ::= PLUS|MINUS expr", + /* 203 */ "between_op ::= BETWEEN", + /* 204 */ "between_op ::= NOT BETWEEN", + /* 205 */ "expr ::= expr between_op expr AND expr", + /* 206 */ "in_op ::= IN", + /* 207 */ "in_op ::= NOT IN", + /* 208 */ "expr ::= expr in_op LP exprlist RP", + /* 209 */ "expr ::= LP select RP", + /* 210 */ "expr ::= expr in_op LP select RP", + /* 211 */ "expr ::= expr in_op nm dbnm paren_exprlist", + /* 212 */ "expr ::= EXISTS LP select RP", + /* 213 */ "expr ::= CASE case_operand case_exprlist case_else END", + /* 214 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr", + /* 215 */ "case_exprlist ::= WHEN expr THEN expr", + /* 216 */ "case_else ::= ELSE expr", + /* 217 */ "case_else ::=", + /* 218 */ "case_operand ::= expr", + /* 219 */ "case_operand ::=", + /* 220 */ "exprlist ::=", + /* 221 */ "nexprlist ::= nexprlist COMMA expr", + /* 222 */ "nexprlist ::= expr", + /* 223 */ "paren_exprlist ::=", + /* 224 */ "paren_exprlist ::= LP exprlist RP", + /* 225 */ "cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt", + /* 226 */ "uniqueflag ::= UNIQUE", + /* 227 */ "uniqueflag ::=", + /* 228 */ "eidlist_opt ::=", + /* 229 */ "eidlist_opt ::= LP eidlist RP", + /* 230 */ "eidlist ::= eidlist COMMA nm collate sortorder", + /* 231 */ "eidlist ::= nm collate sortorder", + /* 232 */ "collate ::=", + /* 233 */ "collate ::= COLLATE ID|STRING", + /* 234 */ "cmd ::= DROP INDEX ifexists fullname", + /* 235 */ "cmd ::= VACUUM vinto", + /* 236 */ "cmd ::= VACUUM nm vinto", + /* 237 */ "vinto ::= INTO expr", + /* 238 */ "vinto ::=", + /* 239 */ "cmd ::= PRAGMA nm dbnm", + /* 240 */ "cmd ::= PRAGMA nm dbnm EQ nmnum", + /* 241 */ "cmd ::= PRAGMA nm dbnm LP nmnum RP", + /* 242 */ "cmd ::= PRAGMA nm dbnm EQ minus_num", + /* 243 */ "cmd ::= PRAGMA nm dbnm LP minus_num RP", + /* 244 */ "plus_num ::= PLUS INTEGER|FLOAT", + /* 245 */ "minus_num ::= MINUS INTEGER|FLOAT", + /* 246 */ "cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END", + /* 247 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause", + /* 248 */ "trigger_time ::= BEFORE|AFTER", + /* 249 */ "trigger_time ::= INSTEAD OF", + /* 250 */ "trigger_time ::=", + /* 251 */ "trigger_event ::= DELETE|INSERT", + /* 252 */ "trigger_event ::= UPDATE", + /* 253 */ "trigger_event ::= UPDATE OF idlist", + /* 254 */ "when_clause ::=", + /* 255 */ "when_clause ::= WHEN expr", + /* 256 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI", + /* 257 */ "trigger_cmd_list ::= trigger_cmd SEMI", + /* 258 */ "trnm ::= nm DOT nm", + /* 259 */ "tridxby ::= INDEXED BY nm", + /* 260 */ "tridxby ::= NOT INDEXED", + /* 261 */ "trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt", + /* 262 */ "trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt", + /* 263 */ "trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt", + /* 264 */ "trigger_cmd ::= scanpt select scanpt", + /* 265 */ "expr ::= RAISE LP IGNORE RP", + /* 266 */ "expr ::= RAISE LP raisetype COMMA nm RP", + /* 267 */ "raisetype ::= ROLLBACK", + /* 268 */ "raisetype ::= ABORT", + /* 269 */ "raisetype ::= FAIL", + /* 270 */ "cmd ::= DROP TRIGGER ifexists fullname", + /* 271 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt", + /* 272 */ "cmd ::= DETACH database_kw_opt expr", + /* 273 */ "key_opt ::=", + /* 274 */ "key_opt ::= KEY expr", + /* 275 */ "cmd ::= REINDEX", + /* 276 */ "cmd ::= REINDEX nm dbnm", + /* 277 */ "cmd ::= ANALYZE", + /* 278 */ "cmd ::= ANALYZE nm dbnm", + /* 279 */ "cmd ::= ALTER TABLE fullname RENAME TO nm", + /* 280 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist", + /* 281 */ "add_column_fullname ::= fullname", + /* 282 */ "cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm", + /* 283 */ "cmd ::= create_vtab", + /* 284 */ "cmd ::= create_vtab LP vtabarglist RP", + /* 285 */ "create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm", + /* 286 */ "vtabarg ::=", + /* 287 */ "vtabargtoken ::= ANY", + /* 288 */ "vtabargtoken ::= lp anylist RP", + /* 289 */ "lp ::= LP", + /* 290 */ "with ::= WITH wqlist", + /* 291 */ "with ::= WITH RECURSIVE wqlist", + /* 292 */ "wqlist ::= nm eidlist_opt AS LP select RP", + /* 293 */ "wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP", + /* 294 */ "windowdefn_list ::= windowdefn", + /* 295 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn", + /* 296 */ "windowdefn ::= nm AS LP window RP", + /* 297 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt", + /* 298 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt", + /* 299 */ "window ::= ORDER BY sortlist frame_opt", + /* 300 */ "window ::= nm ORDER BY sortlist frame_opt", + /* 301 */ "window ::= frame_opt", + /* 302 */ "window ::= nm frame_opt", + /* 303 */ "frame_opt ::=", + /* 304 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt", + /* 305 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt", + /* 306 */ "range_or_rows ::= RANGE|ROWS|GROUPS", + /* 307 */ "frame_bound_s ::= frame_bound", + /* 308 */ "frame_bound_s ::= UNBOUNDED PRECEDING", + /* 309 */ "frame_bound_e ::= frame_bound", + /* 310 */ "frame_bound_e ::= UNBOUNDED FOLLOWING", + /* 311 */ "frame_bound ::= expr PRECEDING|FOLLOWING", + /* 312 */ "frame_bound ::= CURRENT ROW", + /* 313 */ "frame_exclude_opt ::=", + /* 314 */ "frame_exclude_opt ::= EXCLUDE frame_exclude", + /* 315 */ "frame_exclude ::= NO OTHERS", + /* 316 */ "frame_exclude ::= CURRENT ROW", + /* 317 */ "frame_exclude ::= GROUP|TIES", + /* 318 */ "window_clause ::= WINDOW windowdefn_list", + /* 319 */ "filter_over ::= filter_clause over_clause", + /* 320 */ "filter_over ::= over_clause", + /* 321 */ "filter_over ::= filter_clause", + /* 322 */ "over_clause ::= OVER LP window RP", + /* 323 */ "over_clause ::= OVER nm", + /* 324 */ "filter_clause ::= FILTER LP WHERE expr RP", + /* 325 */ "input ::= cmdlist", + /* 326 */ "cmdlist ::= cmdlist ecmd", + /* 327 */ "cmdlist ::= ecmd", + /* 328 */ "ecmd ::= SEMI", + /* 329 */ "ecmd ::= cmdx SEMI", + /* 330 */ "ecmd ::= explain cmdx SEMI", + /* 331 */ "trans_opt ::=", + /* 332 */ "trans_opt ::= TRANSACTION", + /* 333 */ "trans_opt ::= TRANSACTION nm", + /* 334 */ "savepoint_opt ::= SAVEPOINT", + /* 335 */ "savepoint_opt ::=", + /* 336 */ "cmd ::= create_table create_table_args", + /* 337 */ "columnlist ::= columnlist COMMA columnname carglist", + /* 338 */ "columnlist ::= columnname carglist", + /* 339 */ "nm ::= ID|INDEXED", + /* 340 */ "nm ::= STRING", + /* 341 */ "nm ::= JOIN_KW", + /* 342 */ "typetoken ::= typename", + /* 343 */ "typename ::= ID|STRING", + /* 344 */ "signed ::= plus_num", + /* 345 */ "signed ::= minus_num", + /* 346 */ "carglist ::= carglist ccons", + /* 347 */ "carglist ::=", + /* 348 */ "ccons ::= NULL onconf", + /* 349 */ "ccons ::= GENERATED ALWAYS AS generated", + /* 350 */ "ccons ::= AS generated", + /* 351 */ "conslist_opt ::= COMMA conslist", + /* 352 */ "conslist ::= conslist tconscomma tcons", + /* 353 */ "conslist ::= tcons", + /* 354 */ "tconscomma ::=", + /* 355 */ "defer_subclause_opt ::= defer_subclause", + /* 356 */ "resolvetype ::= raisetype", + /* 357 */ "selectnowith ::= oneselect", + /* 358 */ "oneselect ::= values", + /* 359 */ "sclp ::= selcollist COMMA", + /* 360 */ "as ::= ID|STRING", + /* 361 */ "expr ::= term", + /* 362 */ "likeop ::= LIKE_KW|MATCH", + /* 363 */ "exprlist ::= nexprlist", + /* 364 */ "nmnum ::= plus_num", + /* 365 */ "nmnum ::= nm", + /* 366 */ "nmnum ::= ON", + /* 367 */ "nmnum ::= DELETE", + /* 368 */ "nmnum ::= DEFAULT", + /* 369 */ "plus_num ::= INTEGER|FLOAT", + /* 370 */ "foreach_clause ::=", + /* 371 */ "foreach_clause ::= FOR EACH ROW", + /* 372 */ "trnm ::= nm", + /* 373 */ "tridxby ::=", + /* 374 */ "database_kw_opt ::= DATABASE", + /* 375 */ "database_kw_opt ::=", + /* 376 */ "kwcolumn_opt ::=", + /* 377 */ "kwcolumn_opt ::= COLUMNKW", + /* 378 */ "vtabarglist ::= vtabarg", + /* 379 */ "vtabarglist ::= vtabarglist COMMA vtabarg", + /* 380 */ "vtabarg ::= vtabarg vtabargtoken", + /* 381 */ "anylist ::=", + /* 382 */ "anylist ::= anylist LP anylist RP", + /* 383 */ "anylist ::= anylist ANY", + /* 384 */ "with ::=", }; #endif /* NDEBUG */ @@ -151604,7 +156197,7 @@ static int yyGrowStack(yyParser *p){ #endif p->yystksz = newSize; } - return pNew==0; + return pNew==0; } #endif @@ -151646,7 +156239,7 @@ SQLITE_PRIVATE void sqlite3ParserInit(void *yypRawParser sqlite3ParserCTX_PDECL) } #ifndef sqlite3Parser_ENGINEALWAYSONSTACK -/* +/* ** This function allocates a new parser. ** The only argument is a pointer to a function which works like ** malloc. @@ -151673,7 +156266,7 @@ SQLITE_PRIVATE void *sqlite3ParserAlloc(void *(*mallocProc)(YYMALLOCARGTYPE) sql /* The following function deletes the "minor type" or semantic value ** associated with a symbol. The symbol can be either a terminal ** or nonterminal. "yymajor" is the symbol code, and "yypminor" is -** a pointer to the value to be deleted. The code used to do the +** a pointer to the value to be deleted. The code used to do the ** deletions is derived from the %destructor and/or %token_destructor ** directives of the input grammar. */ @@ -151688,7 +156281,7 @@ static void yy_destructor( /* Here is inserted the actions which take place when a ** terminal or non-terminal is destroyed. This can happen ** when the symbol is popped from the stack during a - ** reduce or during error processing or when a parser is + ** reduce or during error processing or when a parser is ** being destroyed before it is finished parsing. ** ** Note: during a reduce, the only symbols destroyed are those @@ -151696,98 +156289,98 @@ static void yy_destructor( ** inside the C code. */ /********* Begin destructor definitions ***************************************/ - case 198: /* select */ - case 231: /* selectnowith */ - case 232: /* oneselect */ - case 244: /* values */ + case 200: /* select */ + case 234: /* selectnowith */ + case 235: /* oneselect */ + case 247: /* values */ { -sqlite3SelectDelete(pParse->db, (yypminor->yy25)); +sqlite3SelectDelete(pParse->db, (yypminor->yy539)); } break; - case 209: /* term */ - case 210: /* expr */ - case 238: /* where_opt */ - case 240: /* having_opt */ - case 252: /* on_opt */ - case 268: /* case_operand */ - case 270: /* case_else */ - case 273: /* vinto */ - case 280: /* when_clause */ - case 285: /* key_opt */ - case 299: /* filter_clause */ + case 211: /* term */ + case 212: /* expr */ + case 241: /* where_opt */ + case 243: /* having_opt */ + case 255: /* on_opt */ + case 271: /* case_operand */ + case 273: /* case_else */ + case 276: /* vinto */ + case 283: /* when_clause */ + case 288: /* key_opt */ + case 302: /* filter_clause */ { -sqlite3ExprDelete(pParse->db, (yypminor->yy46)); +sqlite3ExprDelete(pParse->db, (yypminor->yy202)); } break; - case 214: /* eidlist_opt */ - case 223: /* sortlist */ - case 224: /* eidlist */ - case 236: /* selcollist */ - case 239: /* groupby_opt */ - case 241: /* orderby_opt */ - case 245: /* nexprlist */ - case 246: /* sclp */ - case 254: /* exprlist */ - case 259: /* setlist */ - case 267: /* paren_exprlist */ - case 269: /* case_exprlist */ - case 298: /* part_opt */ + case 216: /* eidlist_opt */ + case 226: /* sortlist */ + case 227: /* eidlist */ + case 239: /* selcollist */ + case 242: /* groupby_opt */ + case 244: /* orderby_opt */ + case 248: /* nexprlist */ + case 249: /* sclp */ + case 257: /* exprlist */ + case 262: /* setlist */ + case 270: /* paren_exprlist */ + case 272: /* case_exprlist */ + case 301: /* part_opt */ { -sqlite3ExprListDelete(pParse->db, (yypminor->yy138)); +sqlite3ExprListDelete(pParse->db, (yypminor->yy242)); } break; - case 230: /* fullname */ - case 237: /* from */ - case 248: /* seltablist */ - case 249: /* stl_prefix */ - case 255: /* xfullname */ + case 233: /* fullname */ + case 240: /* from */ + case 251: /* seltablist */ + case 252: /* stl_prefix */ + case 258: /* xfullname */ { -sqlite3SrcListDelete(pParse->db, (yypminor->yy609)); +sqlite3SrcListDelete(pParse->db, (yypminor->yy47)); } break; - case 233: /* wqlist */ + case 236: /* wqlist */ { -sqlite3WithDelete(pParse->db, (yypminor->yy297)); +sqlite3WithDelete(pParse->db, (yypminor->yy131)); } break; - case 243: /* window_clause */ - case 294: /* windowdefn_list */ + case 246: /* window_clause */ + case 297: /* windowdefn_list */ { -sqlite3WindowListDelete(pParse->db, (yypminor->yy455)); +sqlite3WindowListDelete(pParse->db, (yypminor->yy303)); } break; - case 253: /* using_opt */ - case 256: /* idlist */ - case 261: /* idlist_opt */ + case 256: /* using_opt */ + case 259: /* idlist */ + case 264: /* idlist_opt */ { -sqlite3IdListDelete(pParse->db, (yypminor->yy406)); +sqlite3IdListDelete(pParse->db, (yypminor->yy600)); } break; - case 263: /* filter_over */ - case 295: /* windowdefn */ - case 296: /* window */ - case 297: /* frame_opt */ - case 300: /* over_clause */ + case 266: /* filter_over */ + case 298: /* windowdefn */ + case 299: /* window */ + case 300: /* frame_opt */ + case 303: /* over_clause */ { -sqlite3WindowDelete(pParse->db, (yypminor->yy455)); +sqlite3WindowDelete(pParse->db, (yypminor->yy303)); } break; - case 276: /* trigger_cmd_list */ - case 281: /* trigger_cmd */ + case 279: /* trigger_cmd_list */ + case 284: /* trigger_cmd */ { -sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy527)); +sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy447)); } break; - case 278: /* trigger_event */ + case 281: /* trigger_event */ { -sqlite3IdListDelete(pParse->db, (yypminor->yy572).b); +sqlite3IdListDelete(pParse->db, (yypminor->yy230).b); } break; - case 302: /* frame_bound */ - case 303: /* frame_bound_s */ - case 304: /* frame_bound_e */ + case 305: /* frame_bound */ + case 306: /* frame_bound_s */ + case 307: /* frame_bound_e */ { -sqlite3ExprDelete(pParse->db, (yypminor->yy57).pExpr); +sqlite3ExprDelete(pParse->db, (yypminor->yy77).pExpr); } break; /********* End destructor definitions *****************************************/ @@ -151828,7 +156421,7 @@ SQLITE_PRIVATE void sqlite3ParserFinalize(void *p){ } #ifndef sqlite3Parser_ENGINEALWAYSONSTACK -/* +/* ** Deallocate and destroy a parser. Destructors are called for ** all stack elements before shutting the parser down. ** @@ -152050,7 +156643,7 @@ static void yy_shift( assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack) ); } #endif -#if YYSTACKDEPTH>0 +#if YYSTACKDEPTH>0 if( yypParser->yytos>yypParser->yystackEnd ){ yypParser->yytos--; yyStackOverflow(yypParser); @@ -152078,387 +156671,391 @@ static void yy_shift( /* For rule J, yyRuleInfoLhs[J] contains the symbol on the left-hand side ** of that rule */ static const YYCODETYPE yyRuleInfoLhs[] = { - 183, /* (0) explain ::= EXPLAIN */ - 183, /* (1) explain ::= EXPLAIN QUERY PLAN */ - 182, /* (2) cmdx ::= cmd */ - 184, /* (3) cmd ::= BEGIN transtype trans_opt */ - 185, /* (4) transtype ::= */ - 185, /* (5) transtype ::= DEFERRED */ - 185, /* (6) transtype ::= IMMEDIATE */ - 185, /* (7) transtype ::= EXCLUSIVE */ - 184, /* (8) cmd ::= COMMIT|END trans_opt */ - 184, /* (9) cmd ::= ROLLBACK trans_opt */ - 184, /* (10) cmd ::= SAVEPOINT nm */ - 184, /* (11) cmd ::= RELEASE savepoint_opt nm */ - 184, /* (12) cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */ - 189, /* (13) create_table ::= createkw temp TABLE ifnotexists nm dbnm */ - 191, /* (14) createkw ::= CREATE */ - 193, /* (15) ifnotexists ::= */ - 193, /* (16) ifnotexists ::= IF NOT EXISTS */ - 192, /* (17) temp ::= TEMP */ - 192, /* (18) temp ::= */ - 190, /* (19) create_table_args ::= LP columnlist conslist_opt RP table_options */ - 190, /* (20) create_table_args ::= AS select */ - 197, /* (21) table_options ::= */ - 197, /* (22) table_options ::= WITHOUT nm */ - 199, /* (23) columnname ::= nm typetoken */ - 201, /* (24) typetoken ::= */ - 201, /* (25) typetoken ::= typename LP signed RP */ - 201, /* (26) typetoken ::= typename LP signed COMMA signed RP */ - 202, /* (27) typename ::= typename ID|STRING */ - 206, /* (28) scanpt ::= */ - 207, /* (29) scantok ::= */ - 208, /* (30) ccons ::= CONSTRAINT nm */ - 208, /* (31) ccons ::= DEFAULT scantok term */ - 208, /* (32) ccons ::= DEFAULT LP expr RP */ - 208, /* (33) ccons ::= DEFAULT PLUS scantok term */ - 208, /* (34) ccons ::= DEFAULT MINUS scantok term */ - 208, /* (35) ccons ::= DEFAULT scantok ID|INDEXED */ - 208, /* (36) ccons ::= NOT NULL onconf */ - 208, /* (37) ccons ::= PRIMARY KEY sortorder onconf autoinc */ - 208, /* (38) ccons ::= UNIQUE onconf */ - 208, /* (39) ccons ::= CHECK LP expr RP */ - 208, /* (40) ccons ::= REFERENCES nm eidlist_opt refargs */ - 208, /* (41) ccons ::= defer_subclause */ - 208, /* (42) ccons ::= COLLATE ID|STRING */ - 213, /* (43) autoinc ::= */ - 213, /* (44) autoinc ::= AUTOINCR */ - 215, /* (45) refargs ::= */ - 215, /* (46) refargs ::= refargs refarg */ - 217, /* (47) refarg ::= MATCH nm */ - 217, /* (48) refarg ::= ON INSERT refact */ - 217, /* (49) refarg ::= ON DELETE refact */ - 217, /* (50) refarg ::= ON UPDATE refact */ - 218, /* (51) refact ::= SET NULL */ - 218, /* (52) refact ::= SET DEFAULT */ - 218, /* (53) refact ::= CASCADE */ - 218, /* (54) refact ::= RESTRICT */ - 218, /* (55) refact ::= NO ACTION */ - 216, /* (56) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ - 216, /* (57) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ - 219, /* (58) init_deferred_pred_opt ::= */ - 219, /* (59) init_deferred_pred_opt ::= INITIALLY DEFERRED */ - 219, /* (60) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ - 196, /* (61) conslist_opt ::= */ - 221, /* (62) tconscomma ::= COMMA */ - 222, /* (63) tcons ::= CONSTRAINT nm */ - 222, /* (64) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ - 222, /* (65) tcons ::= UNIQUE LP sortlist RP onconf */ - 222, /* (66) tcons ::= CHECK LP expr RP onconf */ - 222, /* (67) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ - 225, /* (68) defer_subclause_opt ::= */ - 211, /* (69) onconf ::= */ - 211, /* (70) onconf ::= ON CONFLICT resolvetype */ - 226, /* (71) orconf ::= */ - 226, /* (72) orconf ::= OR resolvetype */ - 227, /* (73) resolvetype ::= IGNORE */ - 227, /* (74) resolvetype ::= REPLACE */ - 184, /* (75) cmd ::= DROP TABLE ifexists fullname */ - 229, /* (76) ifexists ::= IF EXISTS */ - 229, /* (77) ifexists ::= */ - 184, /* (78) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ - 184, /* (79) cmd ::= DROP VIEW ifexists fullname */ - 184, /* (80) cmd ::= select */ - 198, /* (81) select ::= WITH wqlist selectnowith */ - 198, /* (82) select ::= WITH RECURSIVE wqlist selectnowith */ - 198, /* (83) select ::= selectnowith */ - 231, /* (84) selectnowith ::= selectnowith multiselect_op oneselect */ - 234, /* (85) multiselect_op ::= UNION */ - 234, /* (86) multiselect_op ::= UNION ALL */ - 234, /* (87) multiselect_op ::= EXCEPT|INTERSECT */ - 232, /* (88) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ - 232, /* (89) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ - 244, /* (90) values ::= VALUES LP nexprlist RP */ - 244, /* (91) values ::= values COMMA LP nexprlist RP */ - 235, /* (92) distinct ::= DISTINCT */ - 235, /* (93) distinct ::= ALL */ - 235, /* (94) distinct ::= */ - 246, /* (95) sclp ::= */ - 236, /* (96) selcollist ::= sclp scanpt expr scanpt as */ - 236, /* (97) selcollist ::= sclp scanpt STAR */ - 236, /* (98) selcollist ::= sclp scanpt nm DOT STAR */ - 247, /* (99) as ::= AS nm */ - 247, /* (100) as ::= */ - 237, /* (101) from ::= */ - 237, /* (102) from ::= FROM seltablist */ - 249, /* (103) stl_prefix ::= seltablist joinop */ - 249, /* (104) stl_prefix ::= */ - 248, /* (105) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ - 248, /* (106) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ - 248, /* (107) seltablist ::= stl_prefix LP select RP as on_opt using_opt */ - 248, /* (108) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ - 194, /* (109) dbnm ::= */ - 194, /* (110) dbnm ::= DOT nm */ - 230, /* (111) fullname ::= nm */ - 230, /* (112) fullname ::= nm DOT nm */ - 255, /* (113) xfullname ::= nm */ - 255, /* (114) xfullname ::= nm DOT nm */ - 255, /* (115) xfullname ::= nm DOT nm AS nm */ - 255, /* (116) xfullname ::= nm AS nm */ - 250, /* (117) joinop ::= COMMA|JOIN */ - 250, /* (118) joinop ::= JOIN_KW JOIN */ - 250, /* (119) joinop ::= JOIN_KW nm JOIN */ - 250, /* (120) joinop ::= JOIN_KW nm nm JOIN */ - 252, /* (121) on_opt ::= ON expr */ - 252, /* (122) on_opt ::= */ - 251, /* (123) indexed_opt ::= */ - 251, /* (124) indexed_opt ::= INDEXED BY nm */ - 251, /* (125) indexed_opt ::= NOT INDEXED */ - 253, /* (126) using_opt ::= USING LP idlist RP */ - 253, /* (127) using_opt ::= */ - 241, /* (128) orderby_opt ::= */ - 241, /* (129) orderby_opt ::= ORDER BY sortlist */ - 223, /* (130) sortlist ::= sortlist COMMA expr sortorder nulls */ - 223, /* (131) sortlist ::= expr sortorder nulls */ - 212, /* (132) sortorder ::= ASC */ - 212, /* (133) sortorder ::= DESC */ - 212, /* (134) sortorder ::= */ - 257, /* (135) nulls ::= NULLS FIRST */ - 257, /* (136) nulls ::= NULLS LAST */ - 257, /* (137) nulls ::= */ - 239, /* (138) groupby_opt ::= */ - 239, /* (139) groupby_opt ::= GROUP BY nexprlist */ - 240, /* (140) having_opt ::= */ - 240, /* (141) having_opt ::= HAVING expr */ - 242, /* (142) limit_opt ::= */ - 242, /* (143) limit_opt ::= LIMIT expr */ - 242, /* (144) limit_opt ::= LIMIT expr OFFSET expr */ - 242, /* (145) limit_opt ::= LIMIT expr COMMA expr */ - 184, /* (146) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ - 238, /* (147) where_opt ::= */ - 238, /* (148) where_opt ::= WHERE expr */ - 184, /* (149) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */ - 259, /* (150) setlist ::= setlist COMMA nm EQ expr */ - 259, /* (151) setlist ::= setlist COMMA LP idlist RP EQ expr */ - 259, /* (152) setlist ::= nm EQ expr */ - 259, /* (153) setlist ::= LP idlist RP EQ expr */ - 184, /* (154) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ - 184, /* (155) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ - 262, /* (156) upsert ::= */ - 262, /* (157) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ - 262, /* (158) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ - 262, /* (159) upsert ::= ON CONFLICT DO NOTHING */ - 260, /* (160) insert_cmd ::= INSERT orconf */ - 260, /* (161) insert_cmd ::= REPLACE */ - 261, /* (162) idlist_opt ::= */ - 261, /* (163) idlist_opt ::= LP idlist RP */ - 256, /* (164) idlist ::= idlist COMMA nm */ - 256, /* (165) idlist ::= nm */ - 210, /* (166) expr ::= LP expr RP */ - 210, /* (167) expr ::= ID|INDEXED */ - 210, /* (168) expr ::= JOIN_KW */ - 210, /* (169) expr ::= nm DOT nm */ - 210, /* (170) expr ::= nm DOT nm DOT nm */ - 209, /* (171) term ::= NULL|FLOAT|BLOB */ - 209, /* (172) term ::= STRING */ - 209, /* (173) term ::= INTEGER */ - 210, /* (174) expr ::= VARIABLE */ - 210, /* (175) expr ::= expr COLLATE ID|STRING */ - 210, /* (176) expr ::= CAST LP expr AS typetoken RP */ - 210, /* (177) expr ::= ID|INDEXED LP distinct exprlist RP */ - 210, /* (178) expr ::= ID|INDEXED LP STAR RP */ - 210, /* (179) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ - 210, /* (180) expr ::= ID|INDEXED LP STAR RP filter_over */ - 209, /* (181) term ::= CTIME_KW */ - 210, /* (182) expr ::= LP nexprlist COMMA expr RP */ - 210, /* (183) expr ::= expr AND expr */ - 210, /* (184) expr ::= expr OR expr */ - 210, /* (185) expr ::= expr LT|GT|GE|LE expr */ - 210, /* (186) expr ::= expr EQ|NE expr */ - 210, /* (187) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ - 210, /* (188) expr ::= expr PLUS|MINUS expr */ - 210, /* (189) expr ::= expr STAR|SLASH|REM expr */ - 210, /* (190) expr ::= expr CONCAT expr */ - 264, /* (191) likeop ::= NOT LIKE_KW|MATCH */ - 210, /* (192) expr ::= expr likeop expr */ - 210, /* (193) expr ::= expr likeop expr ESCAPE expr */ - 210, /* (194) expr ::= expr ISNULL|NOTNULL */ - 210, /* (195) expr ::= expr NOT NULL */ - 210, /* (196) expr ::= expr IS expr */ - 210, /* (197) expr ::= expr IS NOT expr */ - 210, /* (198) expr ::= NOT expr */ - 210, /* (199) expr ::= BITNOT expr */ - 210, /* (200) expr ::= PLUS|MINUS expr */ - 265, /* (201) between_op ::= BETWEEN */ - 265, /* (202) between_op ::= NOT BETWEEN */ - 210, /* (203) expr ::= expr between_op expr AND expr */ - 266, /* (204) in_op ::= IN */ - 266, /* (205) in_op ::= NOT IN */ - 210, /* (206) expr ::= expr in_op LP exprlist RP */ - 210, /* (207) expr ::= LP select RP */ - 210, /* (208) expr ::= expr in_op LP select RP */ - 210, /* (209) expr ::= expr in_op nm dbnm paren_exprlist */ - 210, /* (210) expr ::= EXISTS LP select RP */ - 210, /* (211) expr ::= CASE case_operand case_exprlist case_else END */ - 269, /* (212) case_exprlist ::= case_exprlist WHEN expr THEN expr */ - 269, /* (213) case_exprlist ::= WHEN expr THEN expr */ - 270, /* (214) case_else ::= ELSE expr */ - 270, /* (215) case_else ::= */ - 268, /* (216) case_operand ::= expr */ - 268, /* (217) case_operand ::= */ - 254, /* (218) exprlist ::= */ - 245, /* (219) nexprlist ::= nexprlist COMMA expr */ - 245, /* (220) nexprlist ::= expr */ - 267, /* (221) paren_exprlist ::= */ - 267, /* (222) paren_exprlist ::= LP exprlist RP */ - 184, /* (223) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ - 271, /* (224) uniqueflag ::= UNIQUE */ - 271, /* (225) uniqueflag ::= */ - 214, /* (226) eidlist_opt ::= */ - 214, /* (227) eidlist_opt ::= LP eidlist RP */ - 224, /* (228) eidlist ::= eidlist COMMA nm collate sortorder */ - 224, /* (229) eidlist ::= nm collate sortorder */ - 272, /* (230) collate ::= */ - 272, /* (231) collate ::= COLLATE ID|STRING */ - 184, /* (232) cmd ::= DROP INDEX ifexists fullname */ - 184, /* (233) cmd ::= VACUUM vinto */ - 184, /* (234) cmd ::= VACUUM nm vinto */ - 273, /* (235) vinto ::= INTO expr */ - 273, /* (236) vinto ::= */ - 184, /* (237) cmd ::= PRAGMA nm dbnm */ - 184, /* (238) cmd ::= PRAGMA nm dbnm EQ nmnum */ - 184, /* (239) cmd ::= PRAGMA nm dbnm LP nmnum RP */ - 184, /* (240) cmd ::= PRAGMA nm dbnm EQ minus_num */ - 184, /* (241) cmd ::= PRAGMA nm dbnm LP minus_num RP */ - 204, /* (242) plus_num ::= PLUS INTEGER|FLOAT */ - 205, /* (243) minus_num ::= MINUS INTEGER|FLOAT */ - 184, /* (244) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ - 275, /* (245) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ - 277, /* (246) trigger_time ::= BEFORE|AFTER */ - 277, /* (247) trigger_time ::= INSTEAD OF */ - 277, /* (248) trigger_time ::= */ - 278, /* (249) trigger_event ::= DELETE|INSERT */ - 278, /* (250) trigger_event ::= UPDATE */ - 278, /* (251) trigger_event ::= UPDATE OF idlist */ - 280, /* (252) when_clause ::= */ - 280, /* (253) when_clause ::= WHEN expr */ - 276, /* (254) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ - 276, /* (255) trigger_cmd_list ::= trigger_cmd SEMI */ - 282, /* (256) trnm ::= nm DOT nm */ - 283, /* (257) tridxby ::= INDEXED BY nm */ - 283, /* (258) tridxby ::= NOT INDEXED */ - 281, /* (259) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */ - 281, /* (260) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ - 281, /* (261) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ - 281, /* (262) trigger_cmd ::= scanpt select scanpt */ - 210, /* (263) expr ::= RAISE LP IGNORE RP */ - 210, /* (264) expr ::= RAISE LP raisetype COMMA nm RP */ - 228, /* (265) raisetype ::= ROLLBACK */ - 228, /* (266) raisetype ::= ABORT */ - 228, /* (267) raisetype ::= FAIL */ - 184, /* (268) cmd ::= DROP TRIGGER ifexists fullname */ - 184, /* (269) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ - 184, /* (270) cmd ::= DETACH database_kw_opt expr */ - 285, /* (271) key_opt ::= */ - 285, /* (272) key_opt ::= KEY expr */ - 184, /* (273) cmd ::= REINDEX */ - 184, /* (274) cmd ::= REINDEX nm dbnm */ - 184, /* (275) cmd ::= ANALYZE */ - 184, /* (276) cmd ::= ANALYZE nm dbnm */ - 184, /* (277) cmd ::= ALTER TABLE fullname RENAME TO nm */ - 184, /* (278) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ - 286, /* (279) add_column_fullname ::= fullname */ - 184, /* (280) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ - 184, /* (281) cmd ::= create_vtab */ - 184, /* (282) cmd ::= create_vtab LP vtabarglist RP */ - 288, /* (283) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ - 290, /* (284) vtabarg ::= */ - 291, /* (285) vtabargtoken ::= ANY */ - 291, /* (286) vtabargtoken ::= lp anylist RP */ - 292, /* (287) lp ::= LP */ - 258, /* (288) with ::= WITH wqlist */ - 258, /* (289) with ::= WITH RECURSIVE wqlist */ - 233, /* (290) wqlist ::= nm eidlist_opt AS LP select RP */ - 233, /* (291) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ - 294, /* (292) windowdefn_list ::= windowdefn */ - 294, /* (293) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - 295, /* (294) windowdefn ::= nm AS LP window RP */ - 296, /* (295) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - 296, /* (296) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - 296, /* (297) window ::= ORDER BY sortlist frame_opt */ - 296, /* (298) window ::= nm ORDER BY sortlist frame_opt */ - 296, /* (299) window ::= frame_opt */ - 296, /* (300) window ::= nm frame_opt */ - 297, /* (301) frame_opt ::= */ - 297, /* (302) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - 297, /* (303) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - 301, /* (304) range_or_rows ::= RANGE|ROWS|GROUPS */ - 303, /* (305) frame_bound_s ::= frame_bound */ - 303, /* (306) frame_bound_s ::= UNBOUNDED PRECEDING */ - 304, /* (307) frame_bound_e ::= frame_bound */ - 304, /* (308) frame_bound_e ::= UNBOUNDED FOLLOWING */ - 302, /* (309) frame_bound ::= expr PRECEDING|FOLLOWING */ - 302, /* (310) frame_bound ::= CURRENT ROW */ - 305, /* (311) frame_exclude_opt ::= */ - 305, /* (312) frame_exclude_opt ::= EXCLUDE frame_exclude */ - 306, /* (313) frame_exclude ::= NO OTHERS */ - 306, /* (314) frame_exclude ::= CURRENT ROW */ - 306, /* (315) frame_exclude ::= GROUP|TIES */ - 243, /* (316) window_clause ::= WINDOW windowdefn_list */ - 263, /* (317) filter_over ::= filter_clause over_clause */ - 263, /* (318) filter_over ::= over_clause */ - 263, /* (319) filter_over ::= filter_clause */ - 300, /* (320) over_clause ::= OVER LP window RP */ - 300, /* (321) over_clause ::= OVER nm */ - 299, /* (322) filter_clause ::= FILTER LP WHERE expr RP */ - 179, /* (323) input ::= cmdlist */ - 180, /* (324) cmdlist ::= cmdlist ecmd */ - 180, /* (325) cmdlist ::= ecmd */ - 181, /* (326) ecmd ::= SEMI */ - 181, /* (327) ecmd ::= cmdx SEMI */ - 181, /* (328) ecmd ::= explain cmdx */ - 186, /* (329) trans_opt ::= */ - 186, /* (330) trans_opt ::= TRANSACTION */ - 186, /* (331) trans_opt ::= TRANSACTION nm */ - 188, /* (332) savepoint_opt ::= SAVEPOINT */ - 188, /* (333) savepoint_opt ::= */ - 184, /* (334) cmd ::= create_table create_table_args */ - 195, /* (335) columnlist ::= columnlist COMMA columnname carglist */ - 195, /* (336) columnlist ::= columnname carglist */ - 187, /* (337) nm ::= ID|INDEXED */ - 187, /* (338) nm ::= STRING */ - 187, /* (339) nm ::= JOIN_KW */ - 201, /* (340) typetoken ::= typename */ - 202, /* (341) typename ::= ID|STRING */ - 203, /* (342) signed ::= plus_num */ - 203, /* (343) signed ::= minus_num */ - 200, /* (344) carglist ::= carglist ccons */ - 200, /* (345) carglist ::= */ - 208, /* (346) ccons ::= NULL onconf */ - 196, /* (347) conslist_opt ::= COMMA conslist */ - 220, /* (348) conslist ::= conslist tconscomma tcons */ - 220, /* (349) conslist ::= tcons */ - 221, /* (350) tconscomma ::= */ - 225, /* (351) defer_subclause_opt ::= defer_subclause */ - 227, /* (352) resolvetype ::= raisetype */ - 231, /* (353) selectnowith ::= oneselect */ - 232, /* (354) oneselect ::= values */ - 246, /* (355) sclp ::= selcollist COMMA */ - 247, /* (356) as ::= ID|STRING */ - 210, /* (357) expr ::= term */ - 264, /* (358) likeop ::= LIKE_KW|MATCH */ - 254, /* (359) exprlist ::= nexprlist */ - 274, /* (360) nmnum ::= plus_num */ - 274, /* (361) nmnum ::= nm */ - 274, /* (362) nmnum ::= ON */ - 274, /* (363) nmnum ::= DELETE */ - 274, /* (364) nmnum ::= DEFAULT */ - 204, /* (365) plus_num ::= INTEGER|FLOAT */ - 279, /* (366) foreach_clause ::= */ - 279, /* (367) foreach_clause ::= FOR EACH ROW */ - 282, /* (368) trnm ::= nm */ - 283, /* (369) tridxby ::= */ - 284, /* (370) database_kw_opt ::= DATABASE */ - 284, /* (371) database_kw_opt ::= */ - 287, /* (372) kwcolumn_opt ::= */ - 287, /* (373) kwcolumn_opt ::= COLUMNKW */ - 289, /* (374) vtabarglist ::= vtabarg */ - 289, /* (375) vtabarglist ::= vtabarglist COMMA vtabarg */ - 290, /* (376) vtabarg ::= vtabarg vtabargtoken */ - 293, /* (377) anylist ::= */ - 293, /* (378) anylist ::= anylist LP anylist RP */ - 293, /* (379) anylist ::= anylist ANY */ - 258, /* (380) with ::= */ + 185, /* (0) explain ::= EXPLAIN */ + 185, /* (1) explain ::= EXPLAIN QUERY PLAN */ + 184, /* (2) cmdx ::= cmd */ + 186, /* (3) cmd ::= BEGIN transtype trans_opt */ + 187, /* (4) transtype ::= */ + 187, /* (5) transtype ::= DEFERRED */ + 187, /* (6) transtype ::= IMMEDIATE */ + 187, /* (7) transtype ::= EXCLUSIVE */ + 186, /* (8) cmd ::= COMMIT|END trans_opt */ + 186, /* (9) cmd ::= ROLLBACK trans_opt */ + 186, /* (10) cmd ::= SAVEPOINT nm */ + 186, /* (11) cmd ::= RELEASE savepoint_opt nm */ + 186, /* (12) cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */ + 191, /* (13) create_table ::= createkw temp TABLE ifnotexists nm dbnm */ + 193, /* (14) createkw ::= CREATE */ + 195, /* (15) ifnotexists ::= */ + 195, /* (16) ifnotexists ::= IF NOT EXISTS */ + 194, /* (17) temp ::= TEMP */ + 194, /* (18) temp ::= */ + 192, /* (19) create_table_args ::= LP columnlist conslist_opt RP table_options */ + 192, /* (20) create_table_args ::= AS select */ + 199, /* (21) table_options ::= */ + 199, /* (22) table_options ::= WITHOUT nm */ + 201, /* (23) columnname ::= nm typetoken */ + 203, /* (24) typetoken ::= */ + 203, /* (25) typetoken ::= typename LP signed RP */ + 203, /* (26) typetoken ::= typename LP signed COMMA signed RP */ + 204, /* (27) typename ::= typename ID|STRING */ + 208, /* (28) scanpt ::= */ + 209, /* (29) scantok ::= */ + 210, /* (30) ccons ::= CONSTRAINT nm */ + 210, /* (31) ccons ::= DEFAULT scantok term */ + 210, /* (32) ccons ::= DEFAULT LP expr RP */ + 210, /* (33) ccons ::= DEFAULT PLUS scantok term */ + 210, /* (34) ccons ::= DEFAULT MINUS scantok term */ + 210, /* (35) ccons ::= DEFAULT scantok ID|INDEXED */ + 210, /* (36) ccons ::= NOT NULL onconf */ + 210, /* (37) ccons ::= PRIMARY KEY sortorder onconf autoinc */ + 210, /* (38) ccons ::= UNIQUE onconf */ + 210, /* (39) ccons ::= CHECK LP expr RP */ + 210, /* (40) ccons ::= REFERENCES nm eidlist_opt refargs */ + 210, /* (41) ccons ::= defer_subclause */ + 210, /* (42) ccons ::= COLLATE ID|STRING */ + 219, /* (43) generated ::= LP expr RP */ + 219, /* (44) generated ::= LP expr RP ID */ + 215, /* (45) autoinc ::= */ + 215, /* (46) autoinc ::= AUTOINCR */ + 217, /* (47) refargs ::= */ + 217, /* (48) refargs ::= refargs refarg */ + 220, /* (49) refarg ::= MATCH nm */ + 220, /* (50) refarg ::= ON INSERT refact */ + 220, /* (51) refarg ::= ON DELETE refact */ + 220, /* (52) refarg ::= ON UPDATE refact */ + 221, /* (53) refact ::= SET NULL */ + 221, /* (54) refact ::= SET DEFAULT */ + 221, /* (55) refact ::= CASCADE */ + 221, /* (56) refact ::= RESTRICT */ + 221, /* (57) refact ::= NO ACTION */ + 218, /* (58) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ + 218, /* (59) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ + 222, /* (60) init_deferred_pred_opt ::= */ + 222, /* (61) init_deferred_pred_opt ::= INITIALLY DEFERRED */ + 222, /* (62) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ + 198, /* (63) conslist_opt ::= */ + 224, /* (64) tconscomma ::= COMMA */ + 225, /* (65) tcons ::= CONSTRAINT nm */ + 225, /* (66) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ + 225, /* (67) tcons ::= UNIQUE LP sortlist RP onconf */ + 225, /* (68) tcons ::= CHECK LP expr RP onconf */ + 225, /* (69) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ + 228, /* (70) defer_subclause_opt ::= */ + 213, /* (71) onconf ::= */ + 213, /* (72) onconf ::= ON CONFLICT resolvetype */ + 229, /* (73) orconf ::= */ + 229, /* (74) orconf ::= OR resolvetype */ + 230, /* (75) resolvetype ::= IGNORE */ + 230, /* (76) resolvetype ::= REPLACE */ + 186, /* (77) cmd ::= DROP TABLE ifexists fullname */ + 232, /* (78) ifexists ::= IF EXISTS */ + 232, /* (79) ifexists ::= */ + 186, /* (80) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ + 186, /* (81) cmd ::= DROP VIEW ifexists fullname */ + 186, /* (82) cmd ::= select */ + 200, /* (83) select ::= WITH wqlist selectnowith */ + 200, /* (84) select ::= WITH RECURSIVE wqlist selectnowith */ + 200, /* (85) select ::= selectnowith */ + 234, /* (86) selectnowith ::= selectnowith multiselect_op oneselect */ + 237, /* (87) multiselect_op ::= UNION */ + 237, /* (88) multiselect_op ::= UNION ALL */ + 237, /* (89) multiselect_op ::= EXCEPT|INTERSECT */ + 235, /* (90) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ + 235, /* (91) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ + 247, /* (92) values ::= VALUES LP nexprlist RP */ + 247, /* (93) values ::= values COMMA LP nexprlist RP */ + 238, /* (94) distinct ::= DISTINCT */ + 238, /* (95) distinct ::= ALL */ + 238, /* (96) distinct ::= */ + 249, /* (97) sclp ::= */ + 239, /* (98) selcollist ::= sclp scanpt expr scanpt as */ + 239, /* (99) selcollist ::= sclp scanpt STAR */ + 239, /* (100) selcollist ::= sclp scanpt nm DOT STAR */ + 250, /* (101) as ::= AS nm */ + 250, /* (102) as ::= */ + 240, /* (103) from ::= */ + 240, /* (104) from ::= FROM seltablist */ + 252, /* (105) stl_prefix ::= seltablist joinop */ + 252, /* (106) stl_prefix ::= */ + 251, /* (107) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ + 251, /* (108) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ + 251, /* (109) seltablist ::= stl_prefix LP select RP as on_opt using_opt */ + 251, /* (110) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ + 196, /* (111) dbnm ::= */ + 196, /* (112) dbnm ::= DOT nm */ + 233, /* (113) fullname ::= nm */ + 233, /* (114) fullname ::= nm DOT nm */ + 258, /* (115) xfullname ::= nm */ + 258, /* (116) xfullname ::= nm DOT nm */ + 258, /* (117) xfullname ::= nm DOT nm AS nm */ + 258, /* (118) xfullname ::= nm AS nm */ + 253, /* (119) joinop ::= COMMA|JOIN */ + 253, /* (120) joinop ::= JOIN_KW JOIN */ + 253, /* (121) joinop ::= JOIN_KW nm JOIN */ + 253, /* (122) joinop ::= JOIN_KW nm nm JOIN */ + 255, /* (123) on_opt ::= ON expr */ + 255, /* (124) on_opt ::= */ + 254, /* (125) indexed_opt ::= */ + 254, /* (126) indexed_opt ::= INDEXED BY nm */ + 254, /* (127) indexed_opt ::= NOT INDEXED */ + 256, /* (128) using_opt ::= USING LP idlist RP */ + 256, /* (129) using_opt ::= */ + 244, /* (130) orderby_opt ::= */ + 244, /* (131) orderby_opt ::= ORDER BY sortlist */ + 226, /* (132) sortlist ::= sortlist COMMA expr sortorder nulls */ + 226, /* (133) sortlist ::= expr sortorder nulls */ + 214, /* (134) sortorder ::= ASC */ + 214, /* (135) sortorder ::= DESC */ + 214, /* (136) sortorder ::= */ + 260, /* (137) nulls ::= NULLS FIRST */ + 260, /* (138) nulls ::= NULLS LAST */ + 260, /* (139) nulls ::= */ + 242, /* (140) groupby_opt ::= */ + 242, /* (141) groupby_opt ::= GROUP BY nexprlist */ + 243, /* (142) having_opt ::= */ + 243, /* (143) having_opt ::= HAVING expr */ + 245, /* (144) limit_opt ::= */ + 245, /* (145) limit_opt ::= LIMIT expr */ + 245, /* (146) limit_opt ::= LIMIT expr OFFSET expr */ + 245, /* (147) limit_opt ::= LIMIT expr COMMA expr */ + 186, /* (148) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ + 241, /* (149) where_opt ::= */ + 241, /* (150) where_opt ::= WHERE expr */ + 186, /* (151) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt */ + 262, /* (152) setlist ::= setlist COMMA nm EQ expr */ + 262, /* (153) setlist ::= setlist COMMA LP idlist RP EQ expr */ + 262, /* (154) setlist ::= nm EQ expr */ + 262, /* (155) setlist ::= LP idlist RP EQ expr */ + 186, /* (156) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ + 186, /* (157) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ + 265, /* (158) upsert ::= */ + 265, /* (159) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ + 265, /* (160) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ + 265, /* (161) upsert ::= ON CONFLICT DO NOTHING */ + 263, /* (162) insert_cmd ::= INSERT orconf */ + 263, /* (163) insert_cmd ::= REPLACE */ + 264, /* (164) idlist_opt ::= */ + 264, /* (165) idlist_opt ::= LP idlist RP */ + 259, /* (166) idlist ::= idlist COMMA nm */ + 259, /* (167) idlist ::= nm */ + 212, /* (168) expr ::= LP expr RP */ + 212, /* (169) expr ::= ID|INDEXED */ + 212, /* (170) expr ::= JOIN_KW */ + 212, /* (171) expr ::= nm DOT nm */ + 212, /* (172) expr ::= nm DOT nm DOT nm */ + 211, /* (173) term ::= NULL|FLOAT|BLOB */ + 211, /* (174) term ::= STRING */ + 211, /* (175) term ::= INTEGER */ + 212, /* (176) expr ::= VARIABLE */ + 212, /* (177) expr ::= expr COLLATE ID|STRING */ + 212, /* (178) expr ::= CAST LP expr AS typetoken RP */ + 212, /* (179) expr ::= ID|INDEXED LP distinct exprlist RP */ + 212, /* (180) expr ::= ID|INDEXED LP STAR RP */ + 212, /* (181) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ + 212, /* (182) expr ::= ID|INDEXED LP STAR RP filter_over */ + 211, /* (183) term ::= CTIME_KW */ + 212, /* (184) expr ::= LP nexprlist COMMA expr RP */ + 212, /* (185) expr ::= expr AND expr */ + 212, /* (186) expr ::= expr OR expr */ + 212, /* (187) expr ::= expr LT|GT|GE|LE expr */ + 212, /* (188) expr ::= expr EQ|NE expr */ + 212, /* (189) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ + 212, /* (190) expr ::= expr PLUS|MINUS expr */ + 212, /* (191) expr ::= expr STAR|SLASH|REM expr */ + 212, /* (192) expr ::= expr CONCAT expr */ + 267, /* (193) likeop ::= NOT LIKE_KW|MATCH */ + 212, /* (194) expr ::= expr likeop expr */ + 212, /* (195) expr ::= expr likeop expr ESCAPE expr */ + 212, /* (196) expr ::= expr ISNULL|NOTNULL */ + 212, /* (197) expr ::= expr NOT NULL */ + 212, /* (198) expr ::= expr IS expr */ + 212, /* (199) expr ::= expr IS NOT expr */ + 212, /* (200) expr ::= NOT expr */ + 212, /* (201) expr ::= BITNOT expr */ + 212, /* (202) expr ::= PLUS|MINUS expr */ + 268, /* (203) between_op ::= BETWEEN */ + 268, /* (204) between_op ::= NOT BETWEEN */ + 212, /* (205) expr ::= expr between_op expr AND expr */ + 269, /* (206) in_op ::= IN */ + 269, /* (207) in_op ::= NOT IN */ + 212, /* (208) expr ::= expr in_op LP exprlist RP */ + 212, /* (209) expr ::= LP select RP */ + 212, /* (210) expr ::= expr in_op LP select RP */ + 212, /* (211) expr ::= expr in_op nm dbnm paren_exprlist */ + 212, /* (212) expr ::= EXISTS LP select RP */ + 212, /* (213) expr ::= CASE case_operand case_exprlist case_else END */ + 272, /* (214) case_exprlist ::= case_exprlist WHEN expr THEN expr */ + 272, /* (215) case_exprlist ::= WHEN expr THEN expr */ + 273, /* (216) case_else ::= ELSE expr */ + 273, /* (217) case_else ::= */ + 271, /* (218) case_operand ::= expr */ + 271, /* (219) case_operand ::= */ + 257, /* (220) exprlist ::= */ + 248, /* (221) nexprlist ::= nexprlist COMMA expr */ + 248, /* (222) nexprlist ::= expr */ + 270, /* (223) paren_exprlist ::= */ + 270, /* (224) paren_exprlist ::= LP exprlist RP */ + 186, /* (225) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ + 274, /* (226) uniqueflag ::= UNIQUE */ + 274, /* (227) uniqueflag ::= */ + 216, /* (228) eidlist_opt ::= */ + 216, /* (229) eidlist_opt ::= LP eidlist RP */ + 227, /* (230) eidlist ::= eidlist COMMA nm collate sortorder */ + 227, /* (231) eidlist ::= nm collate sortorder */ + 275, /* (232) collate ::= */ + 275, /* (233) collate ::= COLLATE ID|STRING */ + 186, /* (234) cmd ::= DROP INDEX ifexists fullname */ + 186, /* (235) cmd ::= VACUUM vinto */ + 186, /* (236) cmd ::= VACUUM nm vinto */ + 276, /* (237) vinto ::= INTO expr */ + 276, /* (238) vinto ::= */ + 186, /* (239) cmd ::= PRAGMA nm dbnm */ + 186, /* (240) cmd ::= PRAGMA nm dbnm EQ nmnum */ + 186, /* (241) cmd ::= PRAGMA nm dbnm LP nmnum RP */ + 186, /* (242) cmd ::= PRAGMA nm dbnm EQ minus_num */ + 186, /* (243) cmd ::= PRAGMA nm dbnm LP minus_num RP */ + 206, /* (244) plus_num ::= PLUS INTEGER|FLOAT */ + 207, /* (245) minus_num ::= MINUS INTEGER|FLOAT */ + 186, /* (246) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ + 278, /* (247) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ + 280, /* (248) trigger_time ::= BEFORE|AFTER */ + 280, /* (249) trigger_time ::= INSTEAD OF */ + 280, /* (250) trigger_time ::= */ + 281, /* (251) trigger_event ::= DELETE|INSERT */ + 281, /* (252) trigger_event ::= UPDATE */ + 281, /* (253) trigger_event ::= UPDATE OF idlist */ + 283, /* (254) when_clause ::= */ + 283, /* (255) when_clause ::= WHEN expr */ + 279, /* (256) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ + 279, /* (257) trigger_cmd_list ::= trigger_cmd SEMI */ + 285, /* (258) trnm ::= nm DOT nm */ + 286, /* (259) tridxby ::= INDEXED BY nm */ + 286, /* (260) tridxby ::= NOT INDEXED */ + 284, /* (261) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ + 284, /* (262) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ + 284, /* (263) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ + 284, /* (264) trigger_cmd ::= scanpt select scanpt */ + 212, /* (265) expr ::= RAISE LP IGNORE RP */ + 212, /* (266) expr ::= RAISE LP raisetype COMMA nm RP */ + 231, /* (267) raisetype ::= ROLLBACK */ + 231, /* (268) raisetype ::= ABORT */ + 231, /* (269) raisetype ::= FAIL */ + 186, /* (270) cmd ::= DROP TRIGGER ifexists fullname */ + 186, /* (271) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ + 186, /* (272) cmd ::= DETACH database_kw_opt expr */ + 288, /* (273) key_opt ::= */ + 288, /* (274) key_opt ::= KEY expr */ + 186, /* (275) cmd ::= REINDEX */ + 186, /* (276) cmd ::= REINDEX nm dbnm */ + 186, /* (277) cmd ::= ANALYZE */ + 186, /* (278) cmd ::= ANALYZE nm dbnm */ + 186, /* (279) cmd ::= ALTER TABLE fullname RENAME TO nm */ + 186, /* (280) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ + 289, /* (281) add_column_fullname ::= fullname */ + 186, /* (282) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ + 186, /* (283) cmd ::= create_vtab */ + 186, /* (284) cmd ::= create_vtab LP vtabarglist RP */ + 291, /* (285) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ + 293, /* (286) vtabarg ::= */ + 294, /* (287) vtabargtoken ::= ANY */ + 294, /* (288) vtabargtoken ::= lp anylist RP */ + 295, /* (289) lp ::= LP */ + 261, /* (290) with ::= WITH wqlist */ + 261, /* (291) with ::= WITH RECURSIVE wqlist */ + 236, /* (292) wqlist ::= nm eidlist_opt AS LP select RP */ + 236, /* (293) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ + 297, /* (294) windowdefn_list ::= windowdefn */ + 297, /* (295) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + 298, /* (296) windowdefn ::= nm AS LP window RP */ + 299, /* (297) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + 299, /* (298) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + 299, /* (299) window ::= ORDER BY sortlist frame_opt */ + 299, /* (300) window ::= nm ORDER BY sortlist frame_opt */ + 299, /* (301) window ::= frame_opt */ + 299, /* (302) window ::= nm frame_opt */ + 300, /* (303) frame_opt ::= */ + 300, /* (304) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + 300, /* (305) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + 304, /* (306) range_or_rows ::= RANGE|ROWS|GROUPS */ + 306, /* (307) frame_bound_s ::= frame_bound */ + 306, /* (308) frame_bound_s ::= UNBOUNDED PRECEDING */ + 307, /* (309) frame_bound_e ::= frame_bound */ + 307, /* (310) frame_bound_e ::= UNBOUNDED FOLLOWING */ + 305, /* (311) frame_bound ::= expr PRECEDING|FOLLOWING */ + 305, /* (312) frame_bound ::= CURRENT ROW */ + 308, /* (313) frame_exclude_opt ::= */ + 308, /* (314) frame_exclude_opt ::= EXCLUDE frame_exclude */ + 309, /* (315) frame_exclude ::= NO OTHERS */ + 309, /* (316) frame_exclude ::= CURRENT ROW */ + 309, /* (317) frame_exclude ::= GROUP|TIES */ + 246, /* (318) window_clause ::= WINDOW windowdefn_list */ + 266, /* (319) filter_over ::= filter_clause over_clause */ + 266, /* (320) filter_over ::= over_clause */ + 266, /* (321) filter_over ::= filter_clause */ + 303, /* (322) over_clause ::= OVER LP window RP */ + 303, /* (323) over_clause ::= OVER nm */ + 302, /* (324) filter_clause ::= FILTER LP WHERE expr RP */ + 181, /* (325) input ::= cmdlist */ + 182, /* (326) cmdlist ::= cmdlist ecmd */ + 182, /* (327) cmdlist ::= ecmd */ + 183, /* (328) ecmd ::= SEMI */ + 183, /* (329) ecmd ::= cmdx SEMI */ + 183, /* (330) ecmd ::= explain cmdx SEMI */ + 188, /* (331) trans_opt ::= */ + 188, /* (332) trans_opt ::= TRANSACTION */ + 188, /* (333) trans_opt ::= TRANSACTION nm */ + 190, /* (334) savepoint_opt ::= SAVEPOINT */ + 190, /* (335) savepoint_opt ::= */ + 186, /* (336) cmd ::= create_table create_table_args */ + 197, /* (337) columnlist ::= columnlist COMMA columnname carglist */ + 197, /* (338) columnlist ::= columnname carglist */ + 189, /* (339) nm ::= ID|INDEXED */ + 189, /* (340) nm ::= STRING */ + 189, /* (341) nm ::= JOIN_KW */ + 203, /* (342) typetoken ::= typename */ + 204, /* (343) typename ::= ID|STRING */ + 205, /* (344) signed ::= plus_num */ + 205, /* (345) signed ::= minus_num */ + 202, /* (346) carglist ::= carglist ccons */ + 202, /* (347) carglist ::= */ + 210, /* (348) ccons ::= NULL onconf */ + 210, /* (349) ccons ::= GENERATED ALWAYS AS generated */ + 210, /* (350) ccons ::= AS generated */ + 198, /* (351) conslist_opt ::= COMMA conslist */ + 223, /* (352) conslist ::= conslist tconscomma tcons */ + 223, /* (353) conslist ::= tcons */ + 224, /* (354) tconscomma ::= */ + 228, /* (355) defer_subclause_opt ::= defer_subclause */ + 230, /* (356) resolvetype ::= raisetype */ + 234, /* (357) selectnowith ::= oneselect */ + 235, /* (358) oneselect ::= values */ + 249, /* (359) sclp ::= selcollist COMMA */ + 250, /* (360) as ::= ID|STRING */ + 212, /* (361) expr ::= term */ + 267, /* (362) likeop ::= LIKE_KW|MATCH */ + 257, /* (363) exprlist ::= nexprlist */ + 277, /* (364) nmnum ::= plus_num */ + 277, /* (365) nmnum ::= nm */ + 277, /* (366) nmnum ::= ON */ + 277, /* (367) nmnum ::= DELETE */ + 277, /* (368) nmnum ::= DEFAULT */ + 206, /* (369) plus_num ::= INTEGER|FLOAT */ + 282, /* (370) foreach_clause ::= */ + 282, /* (371) foreach_clause ::= FOR EACH ROW */ + 285, /* (372) trnm ::= nm */ + 286, /* (373) tridxby ::= */ + 287, /* (374) database_kw_opt ::= DATABASE */ + 287, /* (375) database_kw_opt ::= */ + 290, /* (376) kwcolumn_opt ::= */ + 290, /* (377) kwcolumn_opt ::= COLUMNKW */ + 292, /* (378) vtabarglist ::= vtabarg */ + 292, /* (379) vtabarglist ::= vtabarglist COMMA vtabarg */ + 293, /* (380) vtabarg ::= vtabarg vtabargtoken */ + 296, /* (381) anylist ::= */ + 296, /* (382) anylist ::= anylist LP anylist RP */ + 296, /* (383) anylist ::= anylist ANY */ + 261, /* (384) with ::= */ }; /* For rule J, yyRuleInfoNRhs[J] contains the negative of the number @@ -152507,344 +157104,348 @@ static const signed char yyRuleInfoNRhs[] = { -4, /* (40) ccons ::= REFERENCES nm eidlist_opt refargs */ -1, /* (41) ccons ::= defer_subclause */ -2, /* (42) ccons ::= COLLATE ID|STRING */ - 0, /* (43) autoinc ::= */ - -1, /* (44) autoinc ::= AUTOINCR */ - 0, /* (45) refargs ::= */ - -2, /* (46) refargs ::= refargs refarg */ - -2, /* (47) refarg ::= MATCH nm */ - -3, /* (48) refarg ::= ON INSERT refact */ - -3, /* (49) refarg ::= ON DELETE refact */ - -3, /* (50) refarg ::= ON UPDATE refact */ - -2, /* (51) refact ::= SET NULL */ - -2, /* (52) refact ::= SET DEFAULT */ - -1, /* (53) refact ::= CASCADE */ - -1, /* (54) refact ::= RESTRICT */ - -2, /* (55) refact ::= NO ACTION */ - -3, /* (56) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ - -2, /* (57) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ - 0, /* (58) init_deferred_pred_opt ::= */ - -2, /* (59) init_deferred_pred_opt ::= INITIALLY DEFERRED */ - -2, /* (60) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ - 0, /* (61) conslist_opt ::= */ - -1, /* (62) tconscomma ::= COMMA */ - -2, /* (63) tcons ::= CONSTRAINT nm */ - -7, /* (64) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ - -5, /* (65) tcons ::= UNIQUE LP sortlist RP onconf */ - -5, /* (66) tcons ::= CHECK LP expr RP onconf */ - -10, /* (67) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ - 0, /* (68) defer_subclause_opt ::= */ - 0, /* (69) onconf ::= */ - -3, /* (70) onconf ::= ON CONFLICT resolvetype */ - 0, /* (71) orconf ::= */ - -2, /* (72) orconf ::= OR resolvetype */ - -1, /* (73) resolvetype ::= IGNORE */ - -1, /* (74) resolvetype ::= REPLACE */ - -4, /* (75) cmd ::= DROP TABLE ifexists fullname */ - -2, /* (76) ifexists ::= IF EXISTS */ - 0, /* (77) ifexists ::= */ - -9, /* (78) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ - -4, /* (79) cmd ::= DROP VIEW ifexists fullname */ - -1, /* (80) cmd ::= select */ - -3, /* (81) select ::= WITH wqlist selectnowith */ - -4, /* (82) select ::= WITH RECURSIVE wqlist selectnowith */ - -1, /* (83) select ::= selectnowith */ - -3, /* (84) selectnowith ::= selectnowith multiselect_op oneselect */ - -1, /* (85) multiselect_op ::= UNION */ - -2, /* (86) multiselect_op ::= UNION ALL */ - -1, /* (87) multiselect_op ::= EXCEPT|INTERSECT */ - -9, /* (88) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ - -10, /* (89) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ - -4, /* (90) values ::= VALUES LP nexprlist RP */ - -5, /* (91) values ::= values COMMA LP nexprlist RP */ - -1, /* (92) distinct ::= DISTINCT */ - -1, /* (93) distinct ::= ALL */ - 0, /* (94) distinct ::= */ - 0, /* (95) sclp ::= */ - -5, /* (96) selcollist ::= sclp scanpt expr scanpt as */ - -3, /* (97) selcollist ::= sclp scanpt STAR */ - -5, /* (98) selcollist ::= sclp scanpt nm DOT STAR */ - -2, /* (99) as ::= AS nm */ - 0, /* (100) as ::= */ - 0, /* (101) from ::= */ - -2, /* (102) from ::= FROM seltablist */ - -2, /* (103) stl_prefix ::= seltablist joinop */ - 0, /* (104) stl_prefix ::= */ - -7, /* (105) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ - -9, /* (106) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ - -7, /* (107) seltablist ::= stl_prefix LP select RP as on_opt using_opt */ - -7, /* (108) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ - 0, /* (109) dbnm ::= */ - -2, /* (110) dbnm ::= DOT nm */ - -1, /* (111) fullname ::= nm */ - -3, /* (112) fullname ::= nm DOT nm */ - -1, /* (113) xfullname ::= nm */ - -3, /* (114) xfullname ::= nm DOT nm */ - -5, /* (115) xfullname ::= nm DOT nm AS nm */ - -3, /* (116) xfullname ::= nm AS nm */ - -1, /* (117) joinop ::= COMMA|JOIN */ - -2, /* (118) joinop ::= JOIN_KW JOIN */ - -3, /* (119) joinop ::= JOIN_KW nm JOIN */ - -4, /* (120) joinop ::= JOIN_KW nm nm JOIN */ - -2, /* (121) on_opt ::= ON expr */ - 0, /* (122) on_opt ::= */ - 0, /* (123) indexed_opt ::= */ - -3, /* (124) indexed_opt ::= INDEXED BY nm */ - -2, /* (125) indexed_opt ::= NOT INDEXED */ - -4, /* (126) using_opt ::= USING LP idlist RP */ - 0, /* (127) using_opt ::= */ - 0, /* (128) orderby_opt ::= */ - -3, /* (129) orderby_opt ::= ORDER BY sortlist */ - -5, /* (130) sortlist ::= sortlist COMMA expr sortorder nulls */ - -3, /* (131) sortlist ::= expr sortorder nulls */ - -1, /* (132) sortorder ::= ASC */ - -1, /* (133) sortorder ::= DESC */ - 0, /* (134) sortorder ::= */ - -2, /* (135) nulls ::= NULLS FIRST */ - -2, /* (136) nulls ::= NULLS LAST */ - 0, /* (137) nulls ::= */ - 0, /* (138) groupby_opt ::= */ - -3, /* (139) groupby_opt ::= GROUP BY nexprlist */ - 0, /* (140) having_opt ::= */ - -2, /* (141) having_opt ::= HAVING expr */ - 0, /* (142) limit_opt ::= */ - -2, /* (143) limit_opt ::= LIMIT expr */ - -4, /* (144) limit_opt ::= LIMIT expr OFFSET expr */ - -4, /* (145) limit_opt ::= LIMIT expr COMMA expr */ - -6, /* (146) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ - 0, /* (147) where_opt ::= */ - -2, /* (148) where_opt ::= WHERE expr */ - -8, /* (149) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */ - -5, /* (150) setlist ::= setlist COMMA nm EQ expr */ - -7, /* (151) setlist ::= setlist COMMA LP idlist RP EQ expr */ - -3, /* (152) setlist ::= nm EQ expr */ - -5, /* (153) setlist ::= LP idlist RP EQ expr */ - -7, /* (154) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ - -7, /* (155) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ - 0, /* (156) upsert ::= */ - -11, /* (157) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ - -8, /* (158) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ - -4, /* (159) upsert ::= ON CONFLICT DO NOTHING */ - -2, /* (160) insert_cmd ::= INSERT orconf */ - -1, /* (161) insert_cmd ::= REPLACE */ - 0, /* (162) idlist_opt ::= */ - -3, /* (163) idlist_opt ::= LP idlist RP */ - -3, /* (164) idlist ::= idlist COMMA nm */ - -1, /* (165) idlist ::= nm */ - -3, /* (166) expr ::= LP expr RP */ - -1, /* (167) expr ::= ID|INDEXED */ - -1, /* (168) expr ::= JOIN_KW */ - -3, /* (169) expr ::= nm DOT nm */ - -5, /* (170) expr ::= nm DOT nm DOT nm */ - -1, /* (171) term ::= NULL|FLOAT|BLOB */ - -1, /* (172) term ::= STRING */ - -1, /* (173) term ::= INTEGER */ - -1, /* (174) expr ::= VARIABLE */ - -3, /* (175) expr ::= expr COLLATE ID|STRING */ - -6, /* (176) expr ::= CAST LP expr AS typetoken RP */ - -5, /* (177) expr ::= ID|INDEXED LP distinct exprlist RP */ - -4, /* (178) expr ::= ID|INDEXED LP STAR RP */ - -6, /* (179) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ - -5, /* (180) expr ::= ID|INDEXED LP STAR RP filter_over */ - -1, /* (181) term ::= CTIME_KW */ - -5, /* (182) expr ::= LP nexprlist COMMA expr RP */ - -3, /* (183) expr ::= expr AND expr */ - -3, /* (184) expr ::= expr OR expr */ - -3, /* (185) expr ::= expr LT|GT|GE|LE expr */ - -3, /* (186) expr ::= expr EQ|NE expr */ - -3, /* (187) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ - -3, /* (188) expr ::= expr PLUS|MINUS expr */ - -3, /* (189) expr ::= expr STAR|SLASH|REM expr */ - -3, /* (190) expr ::= expr CONCAT expr */ - -2, /* (191) likeop ::= NOT LIKE_KW|MATCH */ - -3, /* (192) expr ::= expr likeop expr */ - -5, /* (193) expr ::= expr likeop expr ESCAPE expr */ - -2, /* (194) expr ::= expr ISNULL|NOTNULL */ - -3, /* (195) expr ::= expr NOT NULL */ - -3, /* (196) expr ::= expr IS expr */ - -4, /* (197) expr ::= expr IS NOT expr */ - -2, /* (198) expr ::= NOT expr */ - -2, /* (199) expr ::= BITNOT expr */ - -2, /* (200) expr ::= PLUS|MINUS expr */ - -1, /* (201) between_op ::= BETWEEN */ - -2, /* (202) between_op ::= NOT BETWEEN */ - -5, /* (203) expr ::= expr between_op expr AND expr */ - -1, /* (204) in_op ::= IN */ - -2, /* (205) in_op ::= NOT IN */ - -5, /* (206) expr ::= expr in_op LP exprlist RP */ - -3, /* (207) expr ::= LP select RP */ - -5, /* (208) expr ::= expr in_op LP select RP */ - -5, /* (209) expr ::= expr in_op nm dbnm paren_exprlist */ - -4, /* (210) expr ::= EXISTS LP select RP */ - -5, /* (211) expr ::= CASE case_operand case_exprlist case_else END */ - -5, /* (212) case_exprlist ::= case_exprlist WHEN expr THEN expr */ - -4, /* (213) case_exprlist ::= WHEN expr THEN expr */ - -2, /* (214) case_else ::= ELSE expr */ - 0, /* (215) case_else ::= */ - -1, /* (216) case_operand ::= expr */ - 0, /* (217) case_operand ::= */ - 0, /* (218) exprlist ::= */ - -3, /* (219) nexprlist ::= nexprlist COMMA expr */ - -1, /* (220) nexprlist ::= expr */ - 0, /* (221) paren_exprlist ::= */ - -3, /* (222) paren_exprlist ::= LP exprlist RP */ - -12, /* (223) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ - -1, /* (224) uniqueflag ::= UNIQUE */ - 0, /* (225) uniqueflag ::= */ - 0, /* (226) eidlist_opt ::= */ - -3, /* (227) eidlist_opt ::= LP eidlist RP */ - -5, /* (228) eidlist ::= eidlist COMMA nm collate sortorder */ - -3, /* (229) eidlist ::= nm collate sortorder */ - 0, /* (230) collate ::= */ - -2, /* (231) collate ::= COLLATE ID|STRING */ - -4, /* (232) cmd ::= DROP INDEX ifexists fullname */ - -2, /* (233) cmd ::= VACUUM vinto */ - -3, /* (234) cmd ::= VACUUM nm vinto */ - -2, /* (235) vinto ::= INTO expr */ - 0, /* (236) vinto ::= */ - -3, /* (237) cmd ::= PRAGMA nm dbnm */ - -5, /* (238) cmd ::= PRAGMA nm dbnm EQ nmnum */ - -6, /* (239) cmd ::= PRAGMA nm dbnm LP nmnum RP */ - -5, /* (240) cmd ::= PRAGMA nm dbnm EQ minus_num */ - -6, /* (241) cmd ::= PRAGMA nm dbnm LP minus_num RP */ - -2, /* (242) plus_num ::= PLUS INTEGER|FLOAT */ - -2, /* (243) minus_num ::= MINUS INTEGER|FLOAT */ - -5, /* (244) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ - -11, /* (245) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ - -1, /* (246) trigger_time ::= BEFORE|AFTER */ - -2, /* (247) trigger_time ::= INSTEAD OF */ - 0, /* (248) trigger_time ::= */ - -1, /* (249) trigger_event ::= DELETE|INSERT */ - -1, /* (250) trigger_event ::= UPDATE */ - -3, /* (251) trigger_event ::= UPDATE OF idlist */ - 0, /* (252) when_clause ::= */ - -2, /* (253) when_clause ::= WHEN expr */ - -3, /* (254) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ - -2, /* (255) trigger_cmd_list ::= trigger_cmd SEMI */ - -3, /* (256) trnm ::= nm DOT nm */ - -3, /* (257) tridxby ::= INDEXED BY nm */ - -2, /* (258) tridxby ::= NOT INDEXED */ - -8, /* (259) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */ - -8, /* (260) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ - -6, /* (261) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ - -3, /* (262) trigger_cmd ::= scanpt select scanpt */ - -4, /* (263) expr ::= RAISE LP IGNORE RP */ - -6, /* (264) expr ::= RAISE LP raisetype COMMA nm RP */ - -1, /* (265) raisetype ::= ROLLBACK */ - -1, /* (266) raisetype ::= ABORT */ - -1, /* (267) raisetype ::= FAIL */ - -4, /* (268) cmd ::= DROP TRIGGER ifexists fullname */ - -6, /* (269) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ - -3, /* (270) cmd ::= DETACH database_kw_opt expr */ - 0, /* (271) key_opt ::= */ - -2, /* (272) key_opt ::= KEY expr */ - -1, /* (273) cmd ::= REINDEX */ - -3, /* (274) cmd ::= REINDEX nm dbnm */ - -1, /* (275) cmd ::= ANALYZE */ - -3, /* (276) cmd ::= ANALYZE nm dbnm */ - -6, /* (277) cmd ::= ALTER TABLE fullname RENAME TO nm */ - -7, /* (278) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ - -1, /* (279) add_column_fullname ::= fullname */ - -8, /* (280) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ - -1, /* (281) cmd ::= create_vtab */ - -4, /* (282) cmd ::= create_vtab LP vtabarglist RP */ - -8, /* (283) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ - 0, /* (284) vtabarg ::= */ - -1, /* (285) vtabargtoken ::= ANY */ - -3, /* (286) vtabargtoken ::= lp anylist RP */ - -1, /* (287) lp ::= LP */ - -2, /* (288) with ::= WITH wqlist */ - -3, /* (289) with ::= WITH RECURSIVE wqlist */ - -6, /* (290) wqlist ::= nm eidlist_opt AS LP select RP */ - -8, /* (291) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ - -1, /* (292) windowdefn_list ::= windowdefn */ - -3, /* (293) windowdefn_list ::= windowdefn_list COMMA windowdefn */ - -5, /* (294) windowdefn ::= nm AS LP window RP */ - -5, /* (295) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ - -6, /* (296) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ - -4, /* (297) window ::= ORDER BY sortlist frame_opt */ - -5, /* (298) window ::= nm ORDER BY sortlist frame_opt */ - -1, /* (299) window ::= frame_opt */ - -2, /* (300) window ::= nm frame_opt */ - 0, /* (301) frame_opt ::= */ - -3, /* (302) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ - -6, /* (303) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ - -1, /* (304) range_or_rows ::= RANGE|ROWS|GROUPS */ - -1, /* (305) frame_bound_s ::= frame_bound */ - -2, /* (306) frame_bound_s ::= UNBOUNDED PRECEDING */ - -1, /* (307) frame_bound_e ::= frame_bound */ - -2, /* (308) frame_bound_e ::= UNBOUNDED FOLLOWING */ - -2, /* (309) frame_bound ::= expr PRECEDING|FOLLOWING */ - -2, /* (310) frame_bound ::= CURRENT ROW */ - 0, /* (311) frame_exclude_opt ::= */ - -2, /* (312) frame_exclude_opt ::= EXCLUDE frame_exclude */ - -2, /* (313) frame_exclude ::= NO OTHERS */ - -2, /* (314) frame_exclude ::= CURRENT ROW */ - -1, /* (315) frame_exclude ::= GROUP|TIES */ - -2, /* (316) window_clause ::= WINDOW windowdefn_list */ - -2, /* (317) filter_over ::= filter_clause over_clause */ - -1, /* (318) filter_over ::= over_clause */ - -1, /* (319) filter_over ::= filter_clause */ - -4, /* (320) over_clause ::= OVER LP window RP */ - -2, /* (321) over_clause ::= OVER nm */ - -5, /* (322) filter_clause ::= FILTER LP WHERE expr RP */ - -1, /* (323) input ::= cmdlist */ - -2, /* (324) cmdlist ::= cmdlist ecmd */ - -1, /* (325) cmdlist ::= ecmd */ - -1, /* (326) ecmd ::= SEMI */ - -2, /* (327) ecmd ::= cmdx SEMI */ - -2, /* (328) ecmd ::= explain cmdx */ - 0, /* (329) trans_opt ::= */ - -1, /* (330) trans_opt ::= TRANSACTION */ - -2, /* (331) trans_opt ::= TRANSACTION nm */ - -1, /* (332) savepoint_opt ::= SAVEPOINT */ - 0, /* (333) savepoint_opt ::= */ - -2, /* (334) cmd ::= create_table create_table_args */ - -4, /* (335) columnlist ::= columnlist COMMA columnname carglist */ - -2, /* (336) columnlist ::= columnname carglist */ - -1, /* (337) nm ::= ID|INDEXED */ - -1, /* (338) nm ::= STRING */ - -1, /* (339) nm ::= JOIN_KW */ - -1, /* (340) typetoken ::= typename */ - -1, /* (341) typename ::= ID|STRING */ - -1, /* (342) signed ::= plus_num */ - -1, /* (343) signed ::= minus_num */ - -2, /* (344) carglist ::= carglist ccons */ - 0, /* (345) carglist ::= */ - -2, /* (346) ccons ::= NULL onconf */ - -2, /* (347) conslist_opt ::= COMMA conslist */ - -3, /* (348) conslist ::= conslist tconscomma tcons */ - -1, /* (349) conslist ::= tcons */ - 0, /* (350) tconscomma ::= */ - -1, /* (351) defer_subclause_opt ::= defer_subclause */ - -1, /* (352) resolvetype ::= raisetype */ - -1, /* (353) selectnowith ::= oneselect */ - -1, /* (354) oneselect ::= values */ - -2, /* (355) sclp ::= selcollist COMMA */ - -1, /* (356) as ::= ID|STRING */ - -1, /* (357) expr ::= term */ - -1, /* (358) likeop ::= LIKE_KW|MATCH */ - -1, /* (359) exprlist ::= nexprlist */ - -1, /* (360) nmnum ::= plus_num */ - -1, /* (361) nmnum ::= nm */ - -1, /* (362) nmnum ::= ON */ - -1, /* (363) nmnum ::= DELETE */ - -1, /* (364) nmnum ::= DEFAULT */ - -1, /* (365) plus_num ::= INTEGER|FLOAT */ - 0, /* (366) foreach_clause ::= */ - -3, /* (367) foreach_clause ::= FOR EACH ROW */ - -1, /* (368) trnm ::= nm */ - 0, /* (369) tridxby ::= */ - -1, /* (370) database_kw_opt ::= DATABASE */ - 0, /* (371) database_kw_opt ::= */ - 0, /* (372) kwcolumn_opt ::= */ - -1, /* (373) kwcolumn_opt ::= COLUMNKW */ - -1, /* (374) vtabarglist ::= vtabarg */ - -3, /* (375) vtabarglist ::= vtabarglist COMMA vtabarg */ - -2, /* (376) vtabarg ::= vtabarg vtabargtoken */ - 0, /* (377) anylist ::= */ - -4, /* (378) anylist ::= anylist LP anylist RP */ - -2, /* (379) anylist ::= anylist ANY */ - 0, /* (380) with ::= */ + -3, /* (43) generated ::= LP expr RP */ + -4, /* (44) generated ::= LP expr RP ID */ + 0, /* (45) autoinc ::= */ + -1, /* (46) autoinc ::= AUTOINCR */ + 0, /* (47) refargs ::= */ + -2, /* (48) refargs ::= refargs refarg */ + -2, /* (49) refarg ::= MATCH nm */ + -3, /* (50) refarg ::= ON INSERT refact */ + -3, /* (51) refarg ::= ON DELETE refact */ + -3, /* (52) refarg ::= ON UPDATE refact */ + -2, /* (53) refact ::= SET NULL */ + -2, /* (54) refact ::= SET DEFAULT */ + -1, /* (55) refact ::= CASCADE */ + -1, /* (56) refact ::= RESTRICT */ + -2, /* (57) refact ::= NO ACTION */ + -3, /* (58) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ + -2, /* (59) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ + 0, /* (60) init_deferred_pred_opt ::= */ + -2, /* (61) init_deferred_pred_opt ::= INITIALLY DEFERRED */ + -2, /* (62) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ + 0, /* (63) conslist_opt ::= */ + -1, /* (64) tconscomma ::= COMMA */ + -2, /* (65) tcons ::= CONSTRAINT nm */ + -7, /* (66) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ + -5, /* (67) tcons ::= UNIQUE LP sortlist RP onconf */ + -5, /* (68) tcons ::= CHECK LP expr RP onconf */ + -10, /* (69) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ + 0, /* (70) defer_subclause_opt ::= */ + 0, /* (71) onconf ::= */ + -3, /* (72) onconf ::= ON CONFLICT resolvetype */ + 0, /* (73) orconf ::= */ + -2, /* (74) orconf ::= OR resolvetype */ + -1, /* (75) resolvetype ::= IGNORE */ + -1, /* (76) resolvetype ::= REPLACE */ + -4, /* (77) cmd ::= DROP TABLE ifexists fullname */ + -2, /* (78) ifexists ::= IF EXISTS */ + 0, /* (79) ifexists ::= */ + -9, /* (80) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ + -4, /* (81) cmd ::= DROP VIEW ifexists fullname */ + -1, /* (82) cmd ::= select */ + -3, /* (83) select ::= WITH wqlist selectnowith */ + -4, /* (84) select ::= WITH RECURSIVE wqlist selectnowith */ + -1, /* (85) select ::= selectnowith */ + -3, /* (86) selectnowith ::= selectnowith multiselect_op oneselect */ + -1, /* (87) multiselect_op ::= UNION */ + -2, /* (88) multiselect_op ::= UNION ALL */ + -1, /* (89) multiselect_op ::= EXCEPT|INTERSECT */ + -9, /* (90) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ + -10, /* (91) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ + -4, /* (92) values ::= VALUES LP nexprlist RP */ + -5, /* (93) values ::= values COMMA LP nexprlist RP */ + -1, /* (94) distinct ::= DISTINCT */ + -1, /* (95) distinct ::= ALL */ + 0, /* (96) distinct ::= */ + 0, /* (97) sclp ::= */ + -5, /* (98) selcollist ::= sclp scanpt expr scanpt as */ + -3, /* (99) selcollist ::= sclp scanpt STAR */ + -5, /* (100) selcollist ::= sclp scanpt nm DOT STAR */ + -2, /* (101) as ::= AS nm */ + 0, /* (102) as ::= */ + 0, /* (103) from ::= */ + -2, /* (104) from ::= FROM seltablist */ + -2, /* (105) stl_prefix ::= seltablist joinop */ + 0, /* (106) stl_prefix ::= */ + -7, /* (107) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ + -9, /* (108) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ + -7, /* (109) seltablist ::= stl_prefix LP select RP as on_opt using_opt */ + -7, /* (110) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ + 0, /* (111) dbnm ::= */ + -2, /* (112) dbnm ::= DOT nm */ + -1, /* (113) fullname ::= nm */ + -3, /* (114) fullname ::= nm DOT nm */ + -1, /* (115) xfullname ::= nm */ + -3, /* (116) xfullname ::= nm DOT nm */ + -5, /* (117) xfullname ::= nm DOT nm AS nm */ + -3, /* (118) xfullname ::= nm AS nm */ + -1, /* (119) joinop ::= COMMA|JOIN */ + -2, /* (120) joinop ::= JOIN_KW JOIN */ + -3, /* (121) joinop ::= JOIN_KW nm JOIN */ + -4, /* (122) joinop ::= JOIN_KW nm nm JOIN */ + -2, /* (123) on_opt ::= ON expr */ + 0, /* (124) on_opt ::= */ + 0, /* (125) indexed_opt ::= */ + -3, /* (126) indexed_opt ::= INDEXED BY nm */ + -2, /* (127) indexed_opt ::= NOT INDEXED */ + -4, /* (128) using_opt ::= USING LP idlist RP */ + 0, /* (129) using_opt ::= */ + 0, /* (130) orderby_opt ::= */ + -3, /* (131) orderby_opt ::= ORDER BY sortlist */ + -5, /* (132) sortlist ::= sortlist COMMA expr sortorder nulls */ + -3, /* (133) sortlist ::= expr sortorder nulls */ + -1, /* (134) sortorder ::= ASC */ + -1, /* (135) sortorder ::= DESC */ + 0, /* (136) sortorder ::= */ + -2, /* (137) nulls ::= NULLS FIRST */ + -2, /* (138) nulls ::= NULLS LAST */ + 0, /* (139) nulls ::= */ + 0, /* (140) groupby_opt ::= */ + -3, /* (141) groupby_opt ::= GROUP BY nexprlist */ + 0, /* (142) having_opt ::= */ + -2, /* (143) having_opt ::= HAVING expr */ + 0, /* (144) limit_opt ::= */ + -2, /* (145) limit_opt ::= LIMIT expr */ + -4, /* (146) limit_opt ::= LIMIT expr OFFSET expr */ + -4, /* (147) limit_opt ::= LIMIT expr COMMA expr */ + -6, /* (148) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ + 0, /* (149) where_opt ::= */ + -2, /* (150) where_opt ::= WHERE expr */ + -9, /* (151) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt */ + -5, /* (152) setlist ::= setlist COMMA nm EQ expr */ + -7, /* (153) setlist ::= setlist COMMA LP idlist RP EQ expr */ + -3, /* (154) setlist ::= nm EQ expr */ + -5, /* (155) setlist ::= LP idlist RP EQ expr */ + -7, /* (156) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ + -7, /* (157) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ + 0, /* (158) upsert ::= */ + -11, /* (159) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ + -8, /* (160) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ + -4, /* (161) upsert ::= ON CONFLICT DO NOTHING */ + -2, /* (162) insert_cmd ::= INSERT orconf */ + -1, /* (163) insert_cmd ::= REPLACE */ + 0, /* (164) idlist_opt ::= */ + -3, /* (165) idlist_opt ::= LP idlist RP */ + -3, /* (166) idlist ::= idlist COMMA nm */ + -1, /* (167) idlist ::= nm */ + -3, /* (168) expr ::= LP expr RP */ + -1, /* (169) expr ::= ID|INDEXED */ + -1, /* (170) expr ::= JOIN_KW */ + -3, /* (171) expr ::= nm DOT nm */ + -5, /* (172) expr ::= nm DOT nm DOT nm */ + -1, /* (173) term ::= NULL|FLOAT|BLOB */ + -1, /* (174) term ::= STRING */ + -1, /* (175) term ::= INTEGER */ + -1, /* (176) expr ::= VARIABLE */ + -3, /* (177) expr ::= expr COLLATE ID|STRING */ + -6, /* (178) expr ::= CAST LP expr AS typetoken RP */ + -5, /* (179) expr ::= ID|INDEXED LP distinct exprlist RP */ + -4, /* (180) expr ::= ID|INDEXED LP STAR RP */ + -6, /* (181) expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ + -5, /* (182) expr ::= ID|INDEXED LP STAR RP filter_over */ + -1, /* (183) term ::= CTIME_KW */ + -5, /* (184) expr ::= LP nexprlist COMMA expr RP */ + -3, /* (185) expr ::= expr AND expr */ + -3, /* (186) expr ::= expr OR expr */ + -3, /* (187) expr ::= expr LT|GT|GE|LE expr */ + -3, /* (188) expr ::= expr EQ|NE expr */ + -3, /* (189) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ + -3, /* (190) expr ::= expr PLUS|MINUS expr */ + -3, /* (191) expr ::= expr STAR|SLASH|REM expr */ + -3, /* (192) expr ::= expr CONCAT expr */ + -2, /* (193) likeop ::= NOT LIKE_KW|MATCH */ + -3, /* (194) expr ::= expr likeop expr */ + -5, /* (195) expr ::= expr likeop expr ESCAPE expr */ + -2, /* (196) expr ::= expr ISNULL|NOTNULL */ + -3, /* (197) expr ::= expr NOT NULL */ + -3, /* (198) expr ::= expr IS expr */ + -4, /* (199) expr ::= expr IS NOT expr */ + -2, /* (200) expr ::= NOT expr */ + -2, /* (201) expr ::= BITNOT expr */ + -2, /* (202) expr ::= PLUS|MINUS expr */ + -1, /* (203) between_op ::= BETWEEN */ + -2, /* (204) between_op ::= NOT BETWEEN */ + -5, /* (205) expr ::= expr between_op expr AND expr */ + -1, /* (206) in_op ::= IN */ + -2, /* (207) in_op ::= NOT IN */ + -5, /* (208) expr ::= expr in_op LP exprlist RP */ + -3, /* (209) expr ::= LP select RP */ + -5, /* (210) expr ::= expr in_op LP select RP */ + -5, /* (211) expr ::= expr in_op nm dbnm paren_exprlist */ + -4, /* (212) expr ::= EXISTS LP select RP */ + -5, /* (213) expr ::= CASE case_operand case_exprlist case_else END */ + -5, /* (214) case_exprlist ::= case_exprlist WHEN expr THEN expr */ + -4, /* (215) case_exprlist ::= WHEN expr THEN expr */ + -2, /* (216) case_else ::= ELSE expr */ + 0, /* (217) case_else ::= */ + -1, /* (218) case_operand ::= expr */ + 0, /* (219) case_operand ::= */ + 0, /* (220) exprlist ::= */ + -3, /* (221) nexprlist ::= nexprlist COMMA expr */ + -1, /* (222) nexprlist ::= expr */ + 0, /* (223) paren_exprlist ::= */ + -3, /* (224) paren_exprlist ::= LP exprlist RP */ + -12, /* (225) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ + -1, /* (226) uniqueflag ::= UNIQUE */ + 0, /* (227) uniqueflag ::= */ + 0, /* (228) eidlist_opt ::= */ + -3, /* (229) eidlist_opt ::= LP eidlist RP */ + -5, /* (230) eidlist ::= eidlist COMMA nm collate sortorder */ + -3, /* (231) eidlist ::= nm collate sortorder */ + 0, /* (232) collate ::= */ + -2, /* (233) collate ::= COLLATE ID|STRING */ + -4, /* (234) cmd ::= DROP INDEX ifexists fullname */ + -2, /* (235) cmd ::= VACUUM vinto */ + -3, /* (236) cmd ::= VACUUM nm vinto */ + -2, /* (237) vinto ::= INTO expr */ + 0, /* (238) vinto ::= */ + -3, /* (239) cmd ::= PRAGMA nm dbnm */ + -5, /* (240) cmd ::= PRAGMA nm dbnm EQ nmnum */ + -6, /* (241) cmd ::= PRAGMA nm dbnm LP nmnum RP */ + -5, /* (242) cmd ::= PRAGMA nm dbnm EQ minus_num */ + -6, /* (243) cmd ::= PRAGMA nm dbnm LP minus_num RP */ + -2, /* (244) plus_num ::= PLUS INTEGER|FLOAT */ + -2, /* (245) minus_num ::= MINUS INTEGER|FLOAT */ + -5, /* (246) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ + -11, /* (247) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ + -1, /* (248) trigger_time ::= BEFORE|AFTER */ + -2, /* (249) trigger_time ::= INSTEAD OF */ + 0, /* (250) trigger_time ::= */ + -1, /* (251) trigger_event ::= DELETE|INSERT */ + -1, /* (252) trigger_event ::= UPDATE */ + -3, /* (253) trigger_event ::= UPDATE OF idlist */ + 0, /* (254) when_clause ::= */ + -2, /* (255) when_clause ::= WHEN expr */ + -3, /* (256) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ + -2, /* (257) trigger_cmd_list ::= trigger_cmd SEMI */ + -3, /* (258) trnm ::= nm DOT nm */ + -3, /* (259) tridxby ::= INDEXED BY nm */ + -2, /* (260) tridxby ::= NOT INDEXED */ + -9, /* (261) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ + -8, /* (262) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ + -6, /* (263) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ + -3, /* (264) trigger_cmd ::= scanpt select scanpt */ + -4, /* (265) expr ::= RAISE LP IGNORE RP */ + -6, /* (266) expr ::= RAISE LP raisetype COMMA nm RP */ + -1, /* (267) raisetype ::= ROLLBACK */ + -1, /* (268) raisetype ::= ABORT */ + -1, /* (269) raisetype ::= FAIL */ + -4, /* (270) cmd ::= DROP TRIGGER ifexists fullname */ + -6, /* (271) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ + -3, /* (272) cmd ::= DETACH database_kw_opt expr */ + 0, /* (273) key_opt ::= */ + -2, /* (274) key_opt ::= KEY expr */ + -1, /* (275) cmd ::= REINDEX */ + -3, /* (276) cmd ::= REINDEX nm dbnm */ + -1, /* (277) cmd ::= ANALYZE */ + -3, /* (278) cmd ::= ANALYZE nm dbnm */ + -6, /* (279) cmd ::= ALTER TABLE fullname RENAME TO nm */ + -7, /* (280) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ + -1, /* (281) add_column_fullname ::= fullname */ + -8, /* (282) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ + -1, /* (283) cmd ::= create_vtab */ + -4, /* (284) cmd ::= create_vtab LP vtabarglist RP */ + -8, /* (285) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ + 0, /* (286) vtabarg ::= */ + -1, /* (287) vtabargtoken ::= ANY */ + -3, /* (288) vtabargtoken ::= lp anylist RP */ + -1, /* (289) lp ::= LP */ + -2, /* (290) with ::= WITH wqlist */ + -3, /* (291) with ::= WITH RECURSIVE wqlist */ + -6, /* (292) wqlist ::= nm eidlist_opt AS LP select RP */ + -8, /* (293) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ + -1, /* (294) windowdefn_list ::= windowdefn */ + -3, /* (295) windowdefn_list ::= windowdefn_list COMMA windowdefn */ + -5, /* (296) windowdefn ::= nm AS LP window RP */ + -5, /* (297) window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + -6, /* (298) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + -4, /* (299) window ::= ORDER BY sortlist frame_opt */ + -5, /* (300) window ::= nm ORDER BY sortlist frame_opt */ + -1, /* (301) window ::= frame_opt */ + -2, /* (302) window ::= nm frame_opt */ + 0, /* (303) frame_opt ::= */ + -3, /* (304) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ + -6, /* (305) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ + -1, /* (306) range_or_rows ::= RANGE|ROWS|GROUPS */ + -1, /* (307) frame_bound_s ::= frame_bound */ + -2, /* (308) frame_bound_s ::= UNBOUNDED PRECEDING */ + -1, /* (309) frame_bound_e ::= frame_bound */ + -2, /* (310) frame_bound_e ::= UNBOUNDED FOLLOWING */ + -2, /* (311) frame_bound ::= expr PRECEDING|FOLLOWING */ + -2, /* (312) frame_bound ::= CURRENT ROW */ + 0, /* (313) frame_exclude_opt ::= */ + -2, /* (314) frame_exclude_opt ::= EXCLUDE frame_exclude */ + -2, /* (315) frame_exclude ::= NO OTHERS */ + -2, /* (316) frame_exclude ::= CURRENT ROW */ + -1, /* (317) frame_exclude ::= GROUP|TIES */ + -2, /* (318) window_clause ::= WINDOW windowdefn_list */ + -2, /* (319) filter_over ::= filter_clause over_clause */ + -1, /* (320) filter_over ::= over_clause */ + -1, /* (321) filter_over ::= filter_clause */ + -4, /* (322) over_clause ::= OVER LP window RP */ + -2, /* (323) over_clause ::= OVER nm */ + -5, /* (324) filter_clause ::= FILTER LP WHERE expr RP */ + -1, /* (325) input ::= cmdlist */ + -2, /* (326) cmdlist ::= cmdlist ecmd */ + -1, /* (327) cmdlist ::= ecmd */ + -1, /* (328) ecmd ::= SEMI */ + -2, /* (329) ecmd ::= cmdx SEMI */ + -3, /* (330) ecmd ::= explain cmdx SEMI */ + 0, /* (331) trans_opt ::= */ + -1, /* (332) trans_opt ::= TRANSACTION */ + -2, /* (333) trans_opt ::= TRANSACTION nm */ + -1, /* (334) savepoint_opt ::= SAVEPOINT */ + 0, /* (335) savepoint_opt ::= */ + -2, /* (336) cmd ::= create_table create_table_args */ + -4, /* (337) columnlist ::= columnlist COMMA columnname carglist */ + -2, /* (338) columnlist ::= columnname carglist */ + -1, /* (339) nm ::= ID|INDEXED */ + -1, /* (340) nm ::= STRING */ + -1, /* (341) nm ::= JOIN_KW */ + -1, /* (342) typetoken ::= typename */ + -1, /* (343) typename ::= ID|STRING */ + -1, /* (344) signed ::= plus_num */ + -1, /* (345) signed ::= minus_num */ + -2, /* (346) carglist ::= carglist ccons */ + 0, /* (347) carglist ::= */ + -2, /* (348) ccons ::= NULL onconf */ + -4, /* (349) ccons ::= GENERATED ALWAYS AS generated */ + -2, /* (350) ccons ::= AS generated */ + -2, /* (351) conslist_opt ::= COMMA conslist */ + -3, /* (352) conslist ::= conslist tconscomma tcons */ + -1, /* (353) conslist ::= tcons */ + 0, /* (354) tconscomma ::= */ + -1, /* (355) defer_subclause_opt ::= defer_subclause */ + -1, /* (356) resolvetype ::= raisetype */ + -1, /* (357) selectnowith ::= oneselect */ + -1, /* (358) oneselect ::= values */ + -2, /* (359) sclp ::= selcollist COMMA */ + -1, /* (360) as ::= ID|STRING */ + -1, /* (361) expr ::= term */ + -1, /* (362) likeop ::= LIKE_KW|MATCH */ + -1, /* (363) exprlist ::= nexprlist */ + -1, /* (364) nmnum ::= plus_num */ + -1, /* (365) nmnum ::= nm */ + -1, /* (366) nmnum ::= ON */ + -1, /* (367) nmnum ::= DELETE */ + -1, /* (368) nmnum ::= DEFAULT */ + -1, /* (369) plus_num ::= INTEGER|FLOAT */ + 0, /* (370) foreach_clause ::= */ + -3, /* (371) foreach_clause ::= FOR EACH ROW */ + -1, /* (372) trnm ::= nm */ + 0, /* (373) tridxby ::= */ + -1, /* (374) database_kw_opt ::= DATABASE */ + 0, /* (375) database_kw_opt ::= */ + 0, /* (376) kwcolumn_opt ::= */ + -1, /* (377) kwcolumn_opt ::= COLUMNKW */ + -1, /* (378) vtabarglist ::= vtabarg */ + -3, /* (379) vtabarglist ::= vtabarglist COMMA vtabarg */ + -2, /* (380) vtabarg ::= vtabarg vtabargtoken */ + 0, /* (381) anylist ::= */ + -4, /* (382) anylist ::= anylist LP anylist RP */ + -2, /* (383) anylist ::= anylist ANY */ + 0, /* (384) with ::= */ }; static void yy_accept(yyParser*); /* Forward Declaration */ @@ -152878,12 +157479,15 @@ static YYACTIONTYPE yy_reduce( if( yyTraceFILE && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){ yysize = yyRuleInfoNRhs[yyruleno]; if( yysize ){ - fprintf(yyTraceFILE, "%sReduce %d [%s], go to state %d.\n", + fprintf(yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n", yyTracePrompt, - yyruleno, yyRuleName[yyruleno], yymsp[yysize].stateno); + yyruleno, yyRuleName[yyruleno], + yyruleno<YYNRULE_WITH_ACTION ? "" : " without external action", + yymsp[yysize].stateno); }else{ - fprintf(yyTraceFILE, "%sReduce %d [%s].\n", - yyTracePrompt, yyruleno, yyRuleName[yyruleno]); + fprintf(yyTraceFILE, "%sReduce %d [%s]%s.\n", + yyTracePrompt, yyruleno, yyRuleName[yyruleno], + yyruleno<YYNRULE_WITH_ACTION ? "" : " without external action"); } } #endif /* NDEBUG */ @@ -152898,7 +157502,7 @@ static YYACTIONTYPE yy_reduce( assert( yypParser->yyhwm == (int)(yypParser->yytos - yypParser->yystack)); } #endif -#if YYSTACKDEPTH>0 +#if YYSTACKDEPTH>0 if( yypParser->yytos>=yypParser->yystackEnd ){ yyStackOverflow(yypParser); /* The call to yyStackOverflow() above pops the stack until it is @@ -152941,16 +157545,16 @@ static YYACTIONTYPE yy_reduce( { sqlite3FinishCoding(pParse); } break; case 3: /* cmd ::= BEGIN transtype trans_opt */ -{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy32);} +{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy192);} break; case 4: /* transtype ::= */ -{yymsp[1].minor.yy32 = TK_DEFERRED;} +{yymsp[1].minor.yy192 = TK_DEFERRED;} break; case 5: /* transtype ::= DEFERRED */ case 6: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==6); case 7: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==7); - case 304: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==304); -{yymsp[0].minor.yy32 = yymsp[0].major; /*A-overwrites-X*/} + case 306: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==306); +{yymsp[0].minor.yy192 = yymsp[0].major; /*A-overwrites-X*/} break; case 8: /* cmd ::= COMMIT|END trans_opt */ case 9: /* cmd ::= ROLLBACK trans_opt */ yytestcase(yyruleno==9); @@ -152973,7 +157577,7 @@ static YYACTIONTYPE yy_reduce( break; case 13: /* create_table ::= createkw temp TABLE ifnotexists nm dbnm */ { - sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy32,0,0,yymsp[-2].minor.yy32); + sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy192,0,0,yymsp[-2].minor.yy192); } break; case 14: /* createkw ::= CREATE */ @@ -152982,38 +157586,38 @@ static YYACTIONTYPE yy_reduce( case 15: /* ifnotexists ::= */ case 18: /* temp ::= */ yytestcase(yyruleno==18); case 21: /* table_options ::= */ yytestcase(yyruleno==21); - case 43: /* autoinc ::= */ yytestcase(yyruleno==43); - case 58: /* init_deferred_pred_opt ::= */ yytestcase(yyruleno==58); - case 68: /* defer_subclause_opt ::= */ yytestcase(yyruleno==68); - case 77: /* ifexists ::= */ yytestcase(yyruleno==77); - case 94: /* distinct ::= */ yytestcase(yyruleno==94); - case 230: /* collate ::= */ yytestcase(yyruleno==230); -{yymsp[1].minor.yy32 = 0;} + case 45: /* autoinc ::= */ yytestcase(yyruleno==45); + case 60: /* init_deferred_pred_opt ::= */ yytestcase(yyruleno==60); + case 70: /* defer_subclause_opt ::= */ yytestcase(yyruleno==70); + case 79: /* ifexists ::= */ yytestcase(yyruleno==79); + case 96: /* distinct ::= */ yytestcase(yyruleno==96); + case 232: /* collate ::= */ yytestcase(yyruleno==232); +{yymsp[1].minor.yy192 = 0;} break; case 16: /* ifnotexists ::= IF NOT EXISTS */ -{yymsp[-2].minor.yy32 = 1;} +{yymsp[-2].minor.yy192 = 1;} break; case 17: /* temp ::= TEMP */ - case 44: /* autoinc ::= AUTOINCR */ yytestcase(yyruleno==44); -{yymsp[0].minor.yy32 = 1;} + case 46: /* autoinc ::= AUTOINCR */ yytestcase(yyruleno==46); +{yymsp[0].minor.yy192 = 1;} break; case 19: /* create_table_args ::= LP columnlist conslist_opt RP table_options */ { - sqlite3EndTable(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,yymsp[0].minor.yy32,0); + sqlite3EndTable(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,yymsp[0].minor.yy192,0); } break; case 20: /* create_table_args ::= AS select */ { - sqlite3EndTable(pParse,0,0,0,yymsp[0].minor.yy25); - sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy25); + sqlite3EndTable(pParse,0,0,0,yymsp[0].minor.yy539); + sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy539); } break; case 22: /* table_options ::= WITHOUT nm */ { if( yymsp[0].minor.yy0.n==5 && sqlite3_strnicmp(yymsp[0].minor.yy0.z,"rowid",5)==0 ){ - yymsp[-1].minor.yy32 = TF_WithoutRowid | TF_NoVisibleRowid; + yymsp[-1].minor.yy192 = TF_WithoutRowid | TF_NoVisibleRowid; }else{ - yymsp[-1].minor.yy32 = 0; + yymsp[-1].minor.yy192 = 0; sqlite3ErrorMsg(pParse, "unknown table option: %.*s", yymsp[0].minor.yy0.n, yymsp[0].minor.yy0.z); } } @@ -153022,8 +157626,8 @@ static YYACTIONTYPE yy_reduce( {sqlite3AddColumn(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0);} break; case 24: /* typetoken ::= */ - case 61: /* conslist_opt ::= */ yytestcase(yyruleno==61); - case 100: /* as ::= */ yytestcase(yyruleno==100); + case 63: /* conslist_opt ::= */ yytestcase(yyruleno==63); + case 102: /* as ::= */ yytestcase(yyruleno==102); {yymsp[1].minor.yy0.n = 0; yymsp[1].minor.yy0.z = 0;} break; case 25: /* typetoken ::= typename LP signed RP */ @@ -153042,7 +157646,7 @@ static YYACTIONTYPE yy_reduce( case 28: /* scanpt ::= */ { assert( yyLookahead!=YYNOCODE ); - yymsp[1].minor.yy8 = yyLookaheadToken.z; + yymsp[1].minor.yy436 = yyLookaheadToken.z; } break; case 29: /* scantok ::= */ @@ -153052,21 +157656,21 @@ static YYACTIONTYPE yy_reduce( } break; case 30: /* ccons ::= CONSTRAINT nm */ - case 63: /* tcons ::= CONSTRAINT nm */ yytestcase(yyruleno==63); + case 65: /* tcons ::= CONSTRAINT nm */ yytestcase(yyruleno==65); {pParse->constraintName = yymsp[0].minor.yy0;} break; case 31: /* ccons ::= DEFAULT scantok term */ -{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy46,yymsp[-1].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} +{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy202,yymsp[-1].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} break; case 32: /* ccons ::= DEFAULT LP expr RP */ -{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy46,yymsp[-2].minor.yy0.z+1,yymsp[0].minor.yy0.z);} +{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy202,yymsp[-2].minor.yy0.z+1,yymsp[0].minor.yy0.z);} break; case 33: /* ccons ::= DEFAULT PLUS scantok term */ -{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy46,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} +{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy202,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);} break; case 34: /* ccons ::= DEFAULT MINUS scantok term */ { - Expr *p = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy46, 0); + Expr *p = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy202, 0); sqlite3AddDefaultValue(pParse,p,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]); } break; @@ -153081,170 +157685,176 @@ static YYACTIONTYPE yy_reduce( } break; case 36: /* ccons ::= NOT NULL onconf */ -{sqlite3AddNotNull(pParse, yymsp[0].minor.yy32);} +{sqlite3AddNotNull(pParse, yymsp[0].minor.yy192);} break; case 37: /* ccons ::= PRIMARY KEY sortorder onconf autoinc */ -{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy32,yymsp[0].minor.yy32,yymsp[-2].minor.yy32);} +{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy192,yymsp[0].minor.yy192,yymsp[-2].minor.yy192);} break; case 38: /* ccons ::= UNIQUE onconf */ -{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy32,0,0,0,0, +{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy192,0,0,0,0, SQLITE_IDXTYPE_UNIQUE);} break; case 39: /* ccons ::= CHECK LP expr RP */ -{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy46);} +{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy202);} break; case 40: /* ccons ::= REFERENCES nm eidlist_opt refargs */ -{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy138,yymsp[0].minor.yy32);} +{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy242,yymsp[0].minor.yy192);} break; case 41: /* ccons ::= defer_subclause */ -{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy32);} +{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy192);} break; case 42: /* ccons ::= COLLATE ID|STRING */ {sqlite3AddCollateType(pParse, &yymsp[0].minor.yy0);} break; - case 45: /* refargs ::= */ -{ yymsp[1].minor.yy32 = OE_None*0x0101; /* EV: R-19803-45884 */} + case 43: /* generated ::= LP expr RP */ +{sqlite3AddGenerated(pParse,yymsp[-1].minor.yy202,0);} + break; + case 44: /* generated ::= LP expr RP ID */ +{sqlite3AddGenerated(pParse,yymsp[-2].minor.yy202,&yymsp[0].minor.yy0);} break; - case 46: /* refargs ::= refargs refarg */ -{ yymsp[-1].minor.yy32 = (yymsp[-1].minor.yy32 & ~yymsp[0].minor.yy495.mask) | yymsp[0].minor.yy495.value; } + case 47: /* refargs ::= */ +{ yymsp[1].minor.yy192 = OE_None*0x0101; /* EV: R-19803-45884 */} break; - case 47: /* refarg ::= MATCH nm */ -{ yymsp[-1].minor.yy495.value = 0; yymsp[-1].minor.yy495.mask = 0x000000; } + case 48: /* refargs ::= refargs refarg */ +{ yymsp[-1].minor.yy192 = (yymsp[-1].minor.yy192 & ~yymsp[0].minor.yy207.mask) | yymsp[0].minor.yy207.value; } break; - case 48: /* refarg ::= ON INSERT refact */ -{ yymsp[-2].minor.yy495.value = 0; yymsp[-2].minor.yy495.mask = 0x000000; } + case 49: /* refarg ::= MATCH nm */ +{ yymsp[-1].minor.yy207.value = 0; yymsp[-1].minor.yy207.mask = 0x000000; } break; - case 49: /* refarg ::= ON DELETE refact */ -{ yymsp[-2].minor.yy495.value = yymsp[0].minor.yy32; yymsp[-2].minor.yy495.mask = 0x0000ff; } + case 50: /* refarg ::= ON INSERT refact */ +{ yymsp[-2].minor.yy207.value = 0; yymsp[-2].minor.yy207.mask = 0x000000; } break; - case 50: /* refarg ::= ON UPDATE refact */ -{ yymsp[-2].minor.yy495.value = yymsp[0].minor.yy32<<8; yymsp[-2].minor.yy495.mask = 0x00ff00; } + case 51: /* refarg ::= ON DELETE refact */ +{ yymsp[-2].minor.yy207.value = yymsp[0].minor.yy192; yymsp[-2].minor.yy207.mask = 0x0000ff; } break; - case 51: /* refact ::= SET NULL */ -{ yymsp[-1].minor.yy32 = OE_SetNull; /* EV: R-33326-45252 */} + case 52: /* refarg ::= ON UPDATE refact */ +{ yymsp[-2].minor.yy207.value = yymsp[0].minor.yy192<<8; yymsp[-2].minor.yy207.mask = 0x00ff00; } break; - case 52: /* refact ::= SET DEFAULT */ -{ yymsp[-1].minor.yy32 = OE_SetDflt; /* EV: R-33326-45252 */} + case 53: /* refact ::= SET NULL */ +{ yymsp[-1].minor.yy192 = OE_SetNull; /* EV: R-33326-45252 */} break; - case 53: /* refact ::= CASCADE */ -{ yymsp[0].minor.yy32 = OE_Cascade; /* EV: R-33326-45252 */} + case 54: /* refact ::= SET DEFAULT */ +{ yymsp[-1].minor.yy192 = OE_SetDflt; /* EV: R-33326-45252 */} break; - case 54: /* refact ::= RESTRICT */ -{ yymsp[0].minor.yy32 = OE_Restrict; /* EV: R-33326-45252 */} + case 55: /* refact ::= CASCADE */ +{ yymsp[0].minor.yy192 = OE_Cascade; /* EV: R-33326-45252 */} break; - case 55: /* refact ::= NO ACTION */ -{ yymsp[-1].minor.yy32 = OE_None; /* EV: R-33326-45252 */} + case 56: /* refact ::= RESTRICT */ +{ yymsp[0].minor.yy192 = OE_Restrict; /* EV: R-33326-45252 */} break; - case 56: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ -{yymsp[-2].minor.yy32 = 0;} + case 57: /* refact ::= NO ACTION */ +{ yymsp[-1].minor.yy192 = OE_None; /* EV: R-33326-45252 */} break; - case 57: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ - case 72: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==72); - case 160: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==160); -{yymsp[-1].minor.yy32 = yymsp[0].minor.yy32;} + case 58: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */ +{yymsp[-2].minor.yy192 = 0;} break; - case 59: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */ - case 76: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==76); - case 202: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==202); - case 205: /* in_op ::= NOT IN */ yytestcase(yyruleno==205); - case 231: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==231); -{yymsp[-1].minor.yy32 = 1;} + case 59: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */ + case 74: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==74); + case 162: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==162); +{yymsp[-1].minor.yy192 = yymsp[0].minor.yy192;} break; - case 60: /* init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ -{yymsp[-1].minor.yy32 = 0;} + case 61: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */ + case 78: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==78); + case 204: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==204); + case 207: /* in_op ::= NOT IN */ yytestcase(yyruleno==207); + case 233: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==233); +{yymsp[-1].minor.yy192 = 1;} break; - case 62: /* tconscomma ::= COMMA */ + case 62: /* init_deferred_pred_opt ::= INITIALLY IMMEDIATE */ +{yymsp[-1].minor.yy192 = 0;} + break; + case 64: /* tconscomma ::= COMMA */ {pParse->constraintName.n = 0;} break; - case 64: /* tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ -{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy138,yymsp[0].minor.yy32,yymsp[-2].minor.yy32,0);} + case 66: /* tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */ +{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy242,yymsp[0].minor.yy192,yymsp[-2].minor.yy192,0);} break; - case 65: /* tcons ::= UNIQUE LP sortlist RP onconf */ -{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy138,yymsp[0].minor.yy32,0,0,0,0, + case 67: /* tcons ::= UNIQUE LP sortlist RP onconf */ +{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy242,yymsp[0].minor.yy192,0,0,0,0, SQLITE_IDXTYPE_UNIQUE);} break; - case 66: /* tcons ::= CHECK LP expr RP onconf */ -{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy46);} + case 68: /* tcons ::= CHECK LP expr RP onconf */ +{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy202);} break; - case 67: /* tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ + case 69: /* tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */ { - sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy138, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy138, yymsp[-1].minor.yy32); - sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy32); + sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy242, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy242, yymsp[-1].minor.yy192); + sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy192); } break; - case 69: /* onconf ::= */ - case 71: /* orconf ::= */ yytestcase(yyruleno==71); -{yymsp[1].minor.yy32 = OE_Default;} + case 71: /* onconf ::= */ + case 73: /* orconf ::= */ yytestcase(yyruleno==73); +{yymsp[1].minor.yy192 = OE_Default;} break; - case 70: /* onconf ::= ON CONFLICT resolvetype */ -{yymsp[-2].minor.yy32 = yymsp[0].minor.yy32;} + case 72: /* onconf ::= ON CONFLICT resolvetype */ +{yymsp[-2].minor.yy192 = yymsp[0].minor.yy192;} break; - case 73: /* resolvetype ::= IGNORE */ -{yymsp[0].minor.yy32 = OE_Ignore;} + case 75: /* resolvetype ::= IGNORE */ +{yymsp[0].minor.yy192 = OE_Ignore;} break; - case 74: /* resolvetype ::= REPLACE */ - case 161: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==161); -{yymsp[0].minor.yy32 = OE_Replace;} + case 76: /* resolvetype ::= REPLACE */ + case 163: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==163); +{yymsp[0].minor.yy192 = OE_Replace;} break; - case 75: /* cmd ::= DROP TABLE ifexists fullname */ + case 77: /* cmd ::= DROP TABLE ifexists fullname */ { - sqlite3DropTable(pParse, yymsp[0].minor.yy609, 0, yymsp[-1].minor.yy32); + sqlite3DropTable(pParse, yymsp[0].minor.yy47, 0, yymsp[-1].minor.yy192); } break; - case 78: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ + case 80: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */ { - sqlite3CreateView(pParse, &yymsp[-8].minor.yy0, &yymsp[-4].minor.yy0, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy138, yymsp[0].minor.yy25, yymsp[-7].minor.yy32, yymsp[-5].minor.yy32); + sqlite3CreateView(pParse, &yymsp[-8].minor.yy0, &yymsp[-4].minor.yy0, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy242, yymsp[0].minor.yy539, yymsp[-7].minor.yy192, yymsp[-5].minor.yy192); } break; - case 79: /* cmd ::= DROP VIEW ifexists fullname */ + case 81: /* cmd ::= DROP VIEW ifexists fullname */ { - sqlite3DropTable(pParse, yymsp[0].minor.yy609, 1, yymsp[-1].minor.yy32); + sqlite3DropTable(pParse, yymsp[0].minor.yy47, 1, yymsp[-1].minor.yy192); } break; - case 80: /* cmd ::= select */ + case 82: /* cmd ::= select */ { - SelectDest dest = {SRT_Output, 0, 0, 0, 0, 0}; - sqlite3Select(pParse, yymsp[0].minor.yy25, &dest); - sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy25); + SelectDest dest = {SRT_Output, 0, 0, 0, 0, 0, 0}; + sqlite3Select(pParse, yymsp[0].minor.yy539, &dest); + sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy539); } break; - case 81: /* select ::= WITH wqlist selectnowith */ + case 83: /* select ::= WITH wqlist selectnowith */ { - Select *p = yymsp[0].minor.yy25; + Select *p = yymsp[0].minor.yy539; if( p ){ - p->pWith = yymsp[-1].minor.yy297; + p->pWith = yymsp[-1].minor.yy131; parserDoubleLinkSelect(pParse, p); }else{ - sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy297); + sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy131); } - yymsp[-2].minor.yy25 = p; + yymsp[-2].minor.yy539 = p; } break; - case 82: /* select ::= WITH RECURSIVE wqlist selectnowith */ + case 84: /* select ::= WITH RECURSIVE wqlist selectnowith */ { - Select *p = yymsp[0].minor.yy25; + Select *p = yymsp[0].minor.yy539; if( p ){ - p->pWith = yymsp[-1].minor.yy297; + p->pWith = yymsp[-1].minor.yy131; parserDoubleLinkSelect(pParse, p); }else{ - sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy297); + sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy131); } - yymsp[-3].minor.yy25 = p; + yymsp[-3].minor.yy539 = p; } break; - case 83: /* select ::= selectnowith */ + case 85: /* select ::= selectnowith */ { - Select *p = yymsp[0].minor.yy25; + Select *p = yymsp[0].minor.yy539; if( p ){ parserDoubleLinkSelect(pParse, p); } - yymsp[0].minor.yy25 = p; /*A-overwrites-X*/ + yymsp[0].minor.yy539 = p; /*A-overwrites-X*/ } break; - case 84: /* selectnowith ::= selectnowith multiselect_op oneselect */ + case 86: /* selectnowith ::= selectnowith multiselect_op oneselect */ { - Select *pRhs = yymsp[0].minor.yy25; - Select *pLhs = yymsp[-2].minor.yy25; + Select *pRhs = yymsp[0].minor.yy539; + Select *pLhs = yymsp[-2].minor.yy539; if( pRhs && pRhs->pPrior ){ SrcList *pFrom; Token x; @@ -153254,142 +157864,140 @@ static YYACTIONTYPE yy_reduce( pRhs = sqlite3SelectNew(pParse,0,pFrom,0,0,0,0,0,0); } if( pRhs ){ - pRhs->op = (u8)yymsp[-1].minor.yy32; + pRhs->op = (u8)yymsp[-1].minor.yy192; pRhs->pPrior = pLhs; if( ALWAYS(pLhs) ) pLhs->selFlags &= ~SF_MultiValue; pRhs->selFlags &= ~SF_MultiValue; - if( yymsp[-1].minor.yy32!=TK_ALL ) pParse->hasCompound = 1; + if( yymsp[-1].minor.yy192!=TK_ALL ) pParse->hasCompound = 1; }else{ sqlite3SelectDelete(pParse->db, pLhs); } - yymsp[-2].minor.yy25 = pRhs; + yymsp[-2].minor.yy539 = pRhs; } break; - case 85: /* multiselect_op ::= UNION */ - case 87: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==87); -{yymsp[0].minor.yy32 = yymsp[0].major; /*A-overwrites-OP*/} + case 87: /* multiselect_op ::= UNION */ + case 89: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==89); +{yymsp[0].minor.yy192 = yymsp[0].major; /*A-overwrites-OP*/} break; - case 86: /* multiselect_op ::= UNION ALL */ -{yymsp[-1].minor.yy32 = TK_ALL;} + case 88: /* multiselect_op ::= UNION ALL */ +{yymsp[-1].minor.yy192 = TK_ALL;} break; - case 88: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ + case 90: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */ { - yymsp[-8].minor.yy25 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy138,yymsp[-5].minor.yy609,yymsp[-4].minor.yy46,yymsp[-3].minor.yy138,yymsp[-2].minor.yy46,yymsp[-1].minor.yy138,yymsp[-7].minor.yy32,yymsp[0].minor.yy46); + yymsp[-8].minor.yy539 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy242,yymsp[-5].minor.yy47,yymsp[-4].minor.yy202,yymsp[-3].minor.yy242,yymsp[-2].minor.yy202,yymsp[-1].minor.yy242,yymsp[-7].minor.yy192,yymsp[0].minor.yy202); } break; - case 89: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ + case 91: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */ { - yymsp[-9].minor.yy25 = sqlite3SelectNew(pParse,yymsp[-7].minor.yy138,yymsp[-6].minor.yy609,yymsp[-5].minor.yy46,yymsp[-4].minor.yy138,yymsp[-3].minor.yy46,yymsp[-1].minor.yy138,yymsp[-8].minor.yy32,yymsp[0].minor.yy46); - if( yymsp[-9].minor.yy25 ){ - yymsp[-9].minor.yy25->pWinDefn = yymsp[-2].minor.yy455; + yymsp[-9].minor.yy539 = sqlite3SelectNew(pParse,yymsp[-7].minor.yy242,yymsp[-6].minor.yy47,yymsp[-5].minor.yy202,yymsp[-4].minor.yy242,yymsp[-3].minor.yy202,yymsp[-1].minor.yy242,yymsp[-8].minor.yy192,yymsp[0].minor.yy202); + if( yymsp[-9].minor.yy539 ){ + yymsp[-9].minor.yy539->pWinDefn = yymsp[-2].minor.yy303; }else{ - sqlite3WindowListDelete(pParse->db, yymsp[-2].minor.yy455); + sqlite3WindowListDelete(pParse->db, yymsp[-2].minor.yy303); } } break; - case 90: /* values ::= VALUES LP nexprlist RP */ + case 92: /* values ::= VALUES LP nexprlist RP */ { - yymsp[-3].minor.yy25 = sqlite3SelectNew(pParse,yymsp[-1].minor.yy138,0,0,0,0,0,SF_Values,0); + yymsp[-3].minor.yy539 = sqlite3SelectNew(pParse,yymsp[-1].minor.yy242,0,0,0,0,0,SF_Values,0); } break; - case 91: /* values ::= values COMMA LP nexprlist RP */ + case 93: /* values ::= values COMMA LP nexprlist RP */ { - Select *pRight, *pLeft = yymsp[-4].minor.yy25; - pRight = sqlite3SelectNew(pParse,yymsp[-1].minor.yy138,0,0,0,0,0,SF_Values|SF_MultiValue,0); + Select *pRight, *pLeft = yymsp[-4].minor.yy539; + pRight = sqlite3SelectNew(pParse,yymsp[-1].minor.yy242,0,0,0,0,0,SF_Values|SF_MultiValue,0); if( ALWAYS(pLeft) ) pLeft->selFlags &= ~SF_MultiValue; if( pRight ){ pRight->op = TK_ALL; pRight->pPrior = pLeft; - yymsp[-4].minor.yy25 = pRight; + yymsp[-4].minor.yy539 = pRight; }else{ - yymsp[-4].minor.yy25 = pLeft; + yymsp[-4].minor.yy539 = pLeft; } } break; - case 92: /* distinct ::= DISTINCT */ -{yymsp[0].minor.yy32 = SF_Distinct;} + case 94: /* distinct ::= DISTINCT */ +{yymsp[0].minor.yy192 = SF_Distinct;} break; - case 93: /* distinct ::= ALL */ -{yymsp[0].minor.yy32 = SF_All;} + case 95: /* distinct ::= ALL */ +{yymsp[0].minor.yy192 = SF_All;} break; - case 95: /* sclp ::= */ - case 128: /* orderby_opt ::= */ yytestcase(yyruleno==128); - case 138: /* groupby_opt ::= */ yytestcase(yyruleno==138); - case 218: /* exprlist ::= */ yytestcase(yyruleno==218); - case 221: /* paren_exprlist ::= */ yytestcase(yyruleno==221); - case 226: /* eidlist_opt ::= */ yytestcase(yyruleno==226); -{yymsp[1].minor.yy138 = 0;} + case 97: /* sclp ::= */ + case 130: /* orderby_opt ::= */ yytestcase(yyruleno==130); + case 140: /* groupby_opt ::= */ yytestcase(yyruleno==140); + case 220: /* exprlist ::= */ yytestcase(yyruleno==220); + case 223: /* paren_exprlist ::= */ yytestcase(yyruleno==223); + case 228: /* eidlist_opt ::= */ yytestcase(yyruleno==228); +{yymsp[1].minor.yy242 = 0;} break; - case 96: /* selcollist ::= sclp scanpt expr scanpt as */ + case 98: /* selcollist ::= sclp scanpt expr scanpt as */ { - yymsp[-4].minor.yy138 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy138, yymsp[-2].minor.yy46); - if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy138, &yymsp[0].minor.yy0, 1); - sqlite3ExprListSetSpan(pParse,yymsp[-4].minor.yy138,yymsp[-3].minor.yy8,yymsp[-1].minor.yy8); + yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy242, yymsp[-2].minor.yy202); + if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy242, &yymsp[0].minor.yy0, 1); + sqlite3ExprListSetSpan(pParse,yymsp[-4].minor.yy242,yymsp[-3].minor.yy436,yymsp[-1].minor.yy436); } break; - case 97: /* selcollist ::= sclp scanpt STAR */ + case 99: /* selcollist ::= sclp scanpt STAR */ { Expr *p = sqlite3Expr(pParse->db, TK_ASTERISK, 0); - yymsp[-2].minor.yy138 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy138, p); + yymsp[-2].minor.yy242 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy242, p); } break; - case 98: /* selcollist ::= sclp scanpt nm DOT STAR */ + case 100: /* selcollist ::= sclp scanpt nm DOT STAR */ { Expr *pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0); Expr *pLeft = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight); - yymsp[-4].minor.yy138 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy138, pDot); + yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242, pDot); } break; - case 99: /* as ::= AS nm */ - case 110: /* dbnm ::= DOT nm */ yytestcase(yyruleno==110); - case 242: /* plus_num ::= PLUS INTEGER|FLOAT */ yytestcase(yyruleno==242); - case 243: /* minus_num ::= MINUS INTEGER|FLOAT */ yytestcase(yyruleno==243); + case 101: /* as ::= AS nm */ + case 112: /* dbnm ::= DOT nm */ yytestcase(yyruleno==112); + case 244: /* plus_num ::= PLUS INTEGER|FLOAT */ yytestcase(yyruleno==244); + case 245: /* minus_num ::= MINUS INTEGER|FLOAT */ yytestcase(yyruleno==245); {yymsp[-1].minor.yy0 = yymsp[0].minor.yy0;} break; - case 101: /* from ::= */ -{yymsp[1].minor.yy609 = sqlite3DbMallocZero(pParse->db, sizeof(*yymsp[1].minor.yy609));} + case 103: /* from ::= */ + case 106: /* stl_prefix ::= */ yytestcase(yyruleno==106); +{yymsp[1].minor.yy47 = 0;} break; - case 102: /* from ::= FROM seltablist */ + case 104: /* from ::= FROM seltablist */ { - yymsp[-1].minor.yy609 = yymsp[0].minor.yy609; - sqlite3SrcListShiftJoinType(yymsp[-1].minor.yy609); + yymsp[-1].minor.yy47 = yymsp[0].minor.yy47; + sqlite3SrcListShiftJoinType(yymsp[-1].minor.yy47); } break; - case 103: /* stl_prefix ::= seltablist joinop */ + case 105: /* stl_prefix ::= seltablist joinop */ { - if( ALWAYS(yymsp[-1].minor.yy609 && yymsp[-1].minor.yy609->nSrc>0) ) yymsp[-1].minor.yy609->a[yymsp[-1].minor.yy609->nSrc-1].fg.jointype = (u8)yymsp[0].minor.yy32; + if( ALWAYS(yymsp[-1].minor.yy47 && yymsp[-1].minor.yy47->nSrc>0) ) yymsp[-1].minor.yy47->a[yymsp[-1].minor.yy47->nSrc-1].fg.jointype = (u8)yymsp[0].minor.yy192; } break; - case 104: /* stl_prefix ::= */ -{yymsp[1].minor.yy609 = 0;} - break; - case 105: /* seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ + case 107: /* seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */ { - yymsp[-6].minor.yy609 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy609,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy46,yymsp[0].minor.yy406); - sqlite3SrcListIndexedBy(pParse, yymsp[-6].minor.yy609, &yymsp[-2].minor.yy0); + yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); + sqlite3SrcListIndexedBy(pParse, yymsp[-6].minor.yy47, &yymsp[-2].minor.yy0); } break; - case 106: /* seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ + case 108: /* seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */ { - yymsp[-8].minor.yy609 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-8].minor.yy609,&yymsp[-7].minor.yy0,&yymsp[-6].minor.yy0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy46,yymsp[0].minor.yy406); - sqlite3SrcListFuncArgs(pParse, yymsp[-8].minor.yy609, yymsp[-4].minor.yy138); + yymsp[-8].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-8].minor.yy47,&yymsp[-7].minor.yy0,&yymsp[-6].minor.yy0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); + sqlite3SrcListFuncArgs(pParse, yymsp[-8].minor.yy47, yymsp[-4].minor.yy242); } break; - case 107: /* seltablist ::= stl_prefix LP select RP as on_opt using_opt */ + case 109: /* seltablist ::= stl_prefix LP select RP as on_opt using_opt */ { - yymsp[-6].minor.yy609 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy609,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy25,yymsp[-1].minor.yy46,yymsp[0].minor.yy406); + yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy539,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); } break; - case 108: /* seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ + case 110: /* seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */ { - if( yymsp[-6].minor.yy609==0 && yymsp[-2].minor.yy0.n==0 && yymsp[-1].minor.yy46==0 && yymsp[0].minor.yy406==0 ){ - yymsp[-6].minor.yy609 = yymsp[-4].minor.yy609; - }else if( yymsp[-4].minor.yy609->nSrc==1 ){ - yymsp[-6].minor.yy609 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy609,0,0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy46,yymsp[0].minor.yy406); - if( yymsp[-6].minor.yy609 ){ - struct SrcList_item *pNew = &yymsp[-6].minor.yy609->a[yymsp[-6].minor.yy609->nSrc-1]; - struct SrcList_item *pOld = yymsp[-4].minor.yy609->a; + if( yymsp[-6].minor.yy47==0 && yymsp[-2].minor.yy0.n==0 && yymsp[-1].minor.yy202==0 && yymsp[0].minor.yy600==0 ){ + yymsp[-6].minor.yy47 = yymsp[-4].minor.yy47; + }else if( yymsp[-4].minor.yy47->nSrc==1 ){ + yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,0,0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); + if( yymsp[-6].minor.yy47 ){ + struct SrcList_item *pNew = &yymsp[-6].minor.yy47->a[yymsp[-6].minor.yy47->nSrc-1]; + struct SrcList_item *pOld = yymsp[-4].minor.yy47->a; pNew->zName = pOld->zName; pNew->zDatabase = pOld->zDatabase; pNew->pSelect = pOld->pSelect; @@ -153402,208 +158010,209 @@ static YYACTIONTYPE yy_reduce( pOld->zName = pOld->zDatabase = 0; pOld->pSelect = 0; } - sqlite3SrcListDelete(pParse->db, yymsp[-4].minor.yy609); + sqlite3SrcListDelete(pParse->db, yymsp[-4].minor.yy47); }else{ Select *pSubquery; - sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy609); - pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy609,0,0,0,0,SF_NestedFrom,0); - yymsp[-6].minor.yy609 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy609,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy46,yymsp[0].minor.yy406); + sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy47); + pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy47,0,0,0,0,SF_NestedFrom,0); + yymsp[-6].minor.yy47 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy47,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy202,yymsp[0].minor.yy600); } } break; - case 109: /* dbnm ::= */ - case 123: /* indexed_opt ::= */ yytestcase(yyruleno==123); + case 111: /* dbnm ::= */ + case 125: /* indexed_opt ::= */ yytestcase(yyruleno==125); {yymsp[1].minor.yy0.z=0; yymsp[1].minor.yy0.n=0;} break; - case 111: /* fullname ::= nm */ + case 113: /* fullname ::= nm */ { - yylhsminor.yy609 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); - if( IN_RENAME_OBJECT && yylhsminor.yy609 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy609->a[0].zName, &yymsp[0].minor.yy0); + yylhsminor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); + if( IN_RENAME_OBJECT && yylhsminor.yy47 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy47->a[0].zName, &yymsp[0].minor.yy0); } - yymsp[0].minor.yy609 = yylhsminor.yy609; + yymsp[0].minor.yy47 = yylhsminor.yy47; break; - case 112: /* fullname ::= nm DOT nm */ + case 114: /* fullname ::= nm DOT nm */ { - yylhsminor.yy609 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); - if( IN_RENAME_OBJECT && yylhsminor.yy609 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy609->a[0].zName, &yymsp[0].minor.yy0); + yylhsminor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); + if( IN_RENAME_OBJECT && yylhsminor.yy47 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy47->a[0].zName, &yymsp[0].minor.yy0); } - yymsp[-2].minor.yy609 = yylhsminor.yy609; + yymsp[-2].minor.yy47 = yylhsminor.yy47; break; - case 113: /* xfullname ::= nm */ -{yymsp[0].minor.yy609 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); /*A-overwrites-X*/} + case 115: /* xfullname ::= nm */ +{yymsp[0].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); /*A-overwrites-X*/} break; - case 114: /* xfullname ::= nm DOT nm */ -{yymsp[-2].minor.yy609 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/} + case 116: /* xfullname ::= nm DOT nm */ +{yymsp[-2].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/} break; - case 115: /* xfullname ::= nm DOT nm AS nm */ + case 117: /* xfullname ::= nm DOT nm AS nm */ { - yymsp[-4].minor.yy609 = sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,&yymsp[-2].minor.yy0); /*A-overwrites-X*/ - if( yymsp[-4].minor.yy609 ) yymsp[-4].minor.yy609->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); + yymsp[-4].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,&yymsp[-2].minor.yy0); /*A-overwrites-X*/ + if( yymsp[-4].minor.yy47 ) yymsp[-4].minor.yy47->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); } break; - case 116: /* xfullname ::= nm AS nm */ -{ - yymsp[-2].minor.yy609 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,0); /*A-overwrites-X*/ - if( yymsp[-2].minor.yy609 ) yymsp[-2].minor.yy609->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); + case 118: /* xfullname ::= nm AS nm */ +{ + yymsp[-2].minor.yy47 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,0); /*A-overwrites-X*/ + if( yymsp[-2].minor.yy47 ) yymsp[-2].minor.yy47->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0); } break; - case 117: /* joinop ::= COMMA|JOIN */ -{ yymsp[0].minor.yy32 = JT_INNER; } + case 119: /* joinop ::= COMMA|JOIN */ +{ yymsp[0].minor.yy192 = JT_INNER; } break; - case 118: /* joinop ::= JOIN_KW JOIN */ -{yymsp[-1].minor.yy32 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); /*X-overwrites-A*/} + case 120: /* joinop ::= JOIN_KW JOIN */ +{yymsp[-1].minor.yy192 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); /*X-overwrites-A*/} break; - case 119: /* joinop ::= JOIN_KW nm JOIN */ -{yymsp[-2].minor.yy32 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); /*X-overwrites-A*/} + case 121: /* joinop ::= JOIN_KW nm JOIN */ +{yymsp[-2].minor.yy192 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); /*X-overwrites-A*/} break; - case 120: /* joinop ::= JOIN_KW nm nm JOIN */ -{yymsp[-3].minor.yy32 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);/*X-overwrites-A*/} + case 122: /* joinop ::= JOIN_KW nm nm JOIN */ +{yymsp[-3].minor.yy192 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);/*X-overwrites-A*/} break; - case 121: /* on_opt ::= ON expr */ - case 141: /* having_opt ::= HAVING expr */ yytestcase(yyruleno==141); - case 148: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==148); - case 214: /* case_else ::= ELSE expr */ yytestcase(yyruleno==214); - case 235: /* vinto ::= INTO expr */ yytestcase(yyruleno==235); -{yymsp[-1].minor.yy46 = yymsp[0].minor.yy46;} + case 123: /* on_opt ::= ON expr */ + case 143: /* having_opt ::= HAVING expr */ yytestcase(yyruleno==143); + case 150: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==150); + case 216: /* case_else ::= ELSE expr */ yytestcase(yyruleno==216); + case 237: /* vinto ::= INTO expr */ yytestcase(yyruleno==237); +{yymsp[-1].minor.yy202 = yymsp[0].minor.yy202;} break; - case 122: /* on_opt ::= */ - case 140: /* having_opt ::= */ yytestcase(yyruleno==140); - case 142: /* limit_opt ::= */ yytestcase(yyruleno==142); - case 147: /* where_opt ::= */ yytestcase(yyruleno==147); - case 215: /* case_else ::= */ yytestcase(yyruleno==215); - case 217: /* case_operand ::= */ yytestcase(yyruleno==217); - case 236: /* vinto ::= */ yytestcase(yyruleno==236); -{yymsp[1].minor.yy46 = 0;} + case 124: /* on_opt ::= */ + case 142: /* having_opt ::= */ yytestcase(yyruleno==142); + case 144: /* limit_opt ::= */ yytestcase(yyruleno==144); + case 149: /* where_opt ::= */ yytestcase(yyruleno==149); + case 217: /* case_else ::= */ yytestcase(yyruleno==217); + case 219: /* case_operand ::= */ yytestcase(yyruleno==219); + case 238: /* vinto ::= */ yytestcase(yyruleno==238); +{yymsp[1].minor.yy202 = 0;} break; - case 124: /* indexed_opt ::= INDEXED BY nm */ + case 126: /* indexed_opt ::= INDEXED BY nm */ {yymsp[-2].minor.yy0 = yymsp[0].minor.yy0;} break; - case 125: /* indexed_opt ::= NOT INDEXED */ + case 127: /* indexed_opt ::= NOT INDEXED */ {yymsp[-1].minor.yy0.z=0; yymsp[-1].minor.yy0.n=1;} break; - case 126: /* using_opt ::= USING LP idlist RP */ -{yymsp[-3].minor.yy406 = yymsp[-1].minor.yy406;} + case 128: /* using_opt ::= USING LP idlist RP */ +{yymsp[-3].minor.yy600 = yymsp[-1].minor.yy600;} break; - case 127: /* using_opt ::= */ - case 162: /* idlist_opt ::= */ yytestcase(yyruleno==162); -{yymsp[1].minor.yy406 = 0;} + case 129: /* using_opt ::= */ + case 164: /* idlist_opt ::= */ yytestcase(yyruleno==164); +{yymsp[1].minor.yy600 = 0;} break; - case 129: /* orderby_opt ::= ORDER BY sortlist */ - case 139: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==139); -{yymsp[-2].minor.yy138 = yymsp[0].minor.yy138;} + case 131: /* orderby_opt ::= ORDER BY sortlist */ + case 141: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==141); +{yymsp[-2].minor.yy242 = yymsp[0].minor.yy242;} break; - case 130: /* sortlist ::= sortlist COMMA expr sortorder nulls */ + case 132: /* sortlist ::= sortlist COMMA expr sortorder nulls */ { - yymsp[-4].minor.yy138 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy138,yymsp[-2].minor.yy46); - sqlite3ExprListSetSortOrder(yymsp[-4].minor.yy138,yymsp[-1].minor.yy32,yymsp[0].minor.yy32); + yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242,yymsp[-2].minor.yy202); + sqlite3ExprListSetSortOrder(yymsp[-4].minor.yy242,yymsp[-1].minor.yy192,yymsp[0].minor.yy192); } break; - case 131: /* sortlist ::= expr sortorder nulls */ + case 133: /* sortlist ::= expr sortorder nulls */ { - yymsp[-2].minor.yy138 = sqlite3ExprListAppend(pParse,0,yymsp[-2].minor.yy46); /*A-overwrites-Y*/ - sqlite3ExprListSetSortOrder(yymsp[-2].minor.yy138,yymsp[-1].minor.yy32,yymsp[0].minor.yy32); + yymsp[-2].minor.yy242 = sqlite3ExprListAppend(pParse,0,yymsp[-2].minor.yy202); /*A-overwrites-Y*/ + sqlite3ExprListSetSortOrder(yymsp[-2].minor.yy242,yymsp[-1].minor.yy192,yymsp[0].minor.yy192); } break; - case 132: /* sortorder ::= ASC */ -{yymsp[0].minor.yy32 = SQLITE_SO_ASC;} + case 134: /* sortorder ::= ASC */ +{yymsp[0].minor.yy192 = SQLITE_SO_ASC;} break; - case 133: /* sortorder ::= DESC */ -{yymsp[0].minor.yy32 = SQLITE_SO_DESC;} + case 135: /* sortorder ::= DESC */ +{yymsp[0].minor.yy192 = SQLITE_SO_DESC;} break; - case 134: /* sortorder ::= */ - case 137: /* nulls ::= */ yytestcase(yyruleno==137); -{yymsp[1].minor.yy32 = SQLITE_SO_UNDEFINED;} + case 136: /* sortorder ::= */ + case 139: /* nulls ::= */ yytestcase(yyruleno==139); +{yymsp[1].minor.yy192 = SQLITE_SO_UNDEFINED;} break; - case 135: /* nulls ::= NULLS FIRST */ -{yymsp[-1].minor.yy32 = SQLITE_SO_ASC;} + case 137: /* nulls ::= NULLS FIRST */ +{yymsp[-1].minor.yy192 = SQLITE_SO_ASC;} break; - case 136: /* nulls ::= NULLS LAST */ -{yymsp[-1].minor.yy32 = SQLITE_SO_DESC;} + case 138: /* nulls ::= NULLS LAST */ +{yymsp[-1].minor.yy192 = SQLITE_SO_DESC;} break; - case 143: /* limit_opt ::= LIMIT expr */ -{yymsp[-1].minor.yy46 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy46,0);} + case 145: /* limit_opt ::= LIMIT expr */ +{yymsp[-1].minor.yy202 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy202,0);} break; - case 144: /* limit_opt ::= LIMIT expr OFFSET expr */ -{yymsp[-3].minor.yy46 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[-2].minor.yy46,yymsp[0].minor.yy46);} + case 146: /* limit_opt ::= LIMIT expr OFFSET expr */ +{yymsp[-3].minor.yy202 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[-2].minor.yy202,yymsp[0].minor.yy202);} break; - case 145: /* limit_opt ::= LIMIT expr COMMA expr */ -{yymsp[-3].minor.yy46 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy46,yymsp[-2].minor.yy46);} + case 147: /* limit_opt ::= LIMIT expr COMMA expr */ +{yymsp[-3].minor.yy202 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy202,yymsp[-2].minor.yy202);} break; - case 146: /* cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ + case 148: /* cmd ::= with DELETE FROM xfullname indexed_opt where_opt */ { - sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy609, &yymsp[-1].minor.yy0); - sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy609,yymsp[0].minor.yy46,0,0); + sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy47, &yymsp[-1].minor.yy0); + sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy47,yymsp[0].minor.yy202,0,0); } break; - case 149: /* cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */ + case 151: /* cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist from where_opt */ { - sqlite3SrcListIndexedBy(pParse, yymsp[-4].minor.yy609, &yymsp[-3].minor.yy0); - sqlite3ExprListCheckLength(pParse,yymsp[-1].minor.yy138,"set list"); - sqlite3Update(pParse,yymsp[-4].minor.yy609,yymsp[-1].minor.yy138,yymsp[0].minor.yy46,yymsp[-5].minor.yy32,0,0,0); + sqlite3SrcListIndexedBy(pParse, yymsp[-5].minor.yy47, &yymsp[-4].minor.yy0); + sqlite3ExprListCheckLength(pParse,yymsp[-2].minor.yy242,"set list"); + yymsp[-5].minor.yy47 = sqlite3SrcListAppendList(pParse, yymsp[-5].minor.yy47, yymsp[-1].minor.yy47); + sqlite3Update(pParse,yymsp[-5].minor.yy47,yymsp[-2].minor.yy242,yymsp[0].minor.yy202,yymsp[-6].minor.yy192,0,0,0); } break; - case 150: /* setlist ::= setlist COMMA nm EQ expr */ + case 152: /* setlist ::= setlist COMMA nm EQ expr */ { - yymsp[-4].minor.yy138 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy138, yymsp[0].minor.yy46); - sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy138, &yymsp[-2].minor.yy0, 1); + yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy242, yymsp[0].minor.yy202); + sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy242, &yymsp[-2].minor.yy0, 1); } break; - case 151: /* setlist ::= setlist COMMA LP idlist RP EQ expr */ + case 153: /* setlist ::= setlist COMMA LP idlist RP EQ expr */ { - yymsp[-6].minor.yy138 = sqlite3ExprListAppendVector(pParse, yymsp[-6].minor.yy138, yymsp[-3].minor.yy406, yymsp[0].minor.yy46); + yymsp[-6].minor.yy242 = sqlite3ExprListAppendVector(pParse, yymsp[-6].minor.yy242, yymsp[-3].minor.yy600, yymsp[0].minor.yy202); } break; - case 152: /* setlist ::= nm EQ expr */ + case 154: /* setlist ::= nm EQ expr */ { - yylhsminor.yy138 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy46); - sqlite3ExprListSetName(pParse, yylhsminor.yy138, &yymsp[-2].minor.yy0, 1); + yylhsminor.yy242 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy202); + sqlite3ExprListSetName(pParse, yylhsminor.yy242, &yymsp[-2].minor.yy0, 1); } - yymsp[-2].minor.yy138 = yylhsminor.yy138; + yymsp[-2].minor.yy242 = yylhsminor.yy242; break; - case 153: /* setlist ::= LP idlist RP EQ expr */ + case 155: /* setlist ::= LP idlist RP EQ expr */ { - yymsp[-4].minor.yy138 = sqlite3ExprListAppendVector(pParse, 0, yymsp[-3].minor.yy406, yymsp[0].minor.yy46); + yymsp[-4].minor.yy242 = sqlite3ExprListAppendVector(pParse, 0, yymsp[-3].minor.yy600, yymsp[0].minor.yy202); } break; - case 154: /* cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ + case 156: /* cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */ { - sqlite3Insert(pParse, yymsp[-3].minor.yy609, yymsp[-1].minor.yy25, yymsp[-2].minor.yy406, yymsp[-5].minor.yy32, yymsp[0].minor.yy288); + sqlite3Insert(pParse, yymsp[-3].minor.yy47, yymsp[-1].minor.yy539, yymsp[-2].minor.yy600, yymsp[-5].minor.yy192, yymsp[0].minor.yy318); } break; - case 155: /* cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ + case 157: /* cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */ { - sqlite3Insert(pParse, yymsp[-3].minor.yy609, 0, yymsp[-2].minor.yy406, yymsp[-5].minor.yy32, 0); + sqlite3Insert(pParse, yymsp[-3].minor.yy47, 0, yymsp[-2].minor.yy600, yymsp[-5].minor.yy192, 0); } break; - case 156: /* upsert ::= */ -{ yymsp[1].minor.yy288 = 0; } + case 158: /* upsert ::= */ +{ yymsp[1].minor.yy318 = 0; } break; - case 157: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ -{ yymsp[-10].minor.yy288 = sqlite3UpsertNew(pParse->db,yymsp[-7].minor.yy138,yymsp[-5].minor.yy46,yymsp[-1].minor.yy138,yymsp[0].minor.yy46);} + case 159: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */ +{ yymsp[-10].minor.yy318 = sqlite3UpsertNew(pParse->db,yymsp[-7].minor.yy242,yymsp[-5].minor.yy202,yymsp[-1].minor.yy242,yymsp[0].minor.yy202);} break; - case 158: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ -{ yymsp[-7].minor.yy288 = sqlite3UpsertNew(pParse->db,yymsp[-4].minor.yy138,yymsp[-2].minor.yy46,0,0); } + case 160: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */ +{ yymsp[-7].minor.yy318 = sqlite3UpsertNew(pParse->db,yymsp[-4].minor.yy242,yymsp[-2].minor.yy202,0,0); } break; - case 159: /* upsert ::= ON CONFLICT DO NOTHING */ -{ yymsp[-3].minor.yy288 = sqlite3UpsertNew(pParse->db,0,0,0,0); } + case 161: /* upsert ::= ON CONFLICT DO NOTHING */ +{ yymsp[-3].minor.yy318 = sqlite3UpsertNew(pParse->db,0,0,0,0); } break; - case 163: /* idlist_opt ::= LP idlist RP */ -{yymsp[-2].minor.yy406 = yymsp[-1].minor.yy406;} + case 165: /* idlist_opt ::= LP idlist RP */ +{yymsp[-2].minor.yy600 = yymsp[-1].minor.yy600;} break; - case 164: /* idlist ::= idlist COMMA nm */ -{yymsp[-2].minor.yy406 = sqlite3IdListAppend(pParse,yymsp[-2].minor.yy406,&yymsp[0].minor.yy0);} + case 166: /* idlist ::= idlist COMMA nm */ +{yymsp[-2].minor.yy600 = sqlite3IdListAppend(pParse,yymsp[-2].minor.yy600,&yymsp[0].minor.yy0);} break; - case 165: /* idlist ::= nm */ -{yymsp[0].minor.yy406 = sqlite3IdListAppend(pParse,0,&yymsp[0].minor.yy0); /*A-overwrites-Y*/} + case 167: /* idlist ::= nm */ +{yymsp[0].minor.yy600 = sqlite3IdListAppend(pParse,0,&yymsp[0].minor.yy0); /*A-overwrites-Y*/} break; - case 166: /* expr ::= LP expr RP */ -{yymsp[-2].minor.yy46 = yymsp[-1].minor.yy46;} + case 168: /* expr ::= LP expr RP */ +{yymsp[-2].minor.yy202 = yymsp[-1].minor.yy202;} break; - case 167: /* expr ::= ID|INDEXED */ - case 168: /* expr ::= JOIN_KW */ yytestcase(yyruleno==168); -{yymsp[0].minor.yy46=tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/} + case 169: /* expr ::= ID|INDEXED */ + case 170: /* expr ::= JOIN_KW */ yytestcase(yyruleno==170); +{yymsp[0].minor.yy202=tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/} break; - case 169: /* expr ::= nm DOT nm */ + case 171: /* expr ::= nm DOT nm */ { Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1); @@ -153611,11 +158220,11 @@ static YYACTIONTYPE yy_reduce( sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[0].minor.yy0); sqlite3RenameTokenMap(pParse, (void*)temp1, &yymsp[-2].minor.yy0); } - yylhsminor.yy46 = sqlite3PExpr(pParse, TK_DOT, temp1, temp2); + yylhsminor.yy202 = sqlite3PExpr(pParse, TK_DOT, temp1, temp2); } - yymsp[-2].minor.yy46 = yylhsminor.yy46; + yymsp[-2].minor.yy202 = yylhsminor.yy202; break; - case 170: /* expr ::= nm DOT nm DOT nm */ + case 172: /* expr ::= nm DOT nm DOT nm */ { Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-4].minor.yy0, 1); Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1); @@ -153625,26 +158234,26 @@ static YYACTIONTYPE yy_reduce( sqlite3RenameTokenMap(pParse, (void*)temp3, &yymsp[0].minor.yy0); sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[-2].minor.yy0); } - yylhsminor.yy46 = sqlite3PExpr(pParse, TK_DOT, temp1, temp4); + yylhsminor.yy202 = sqlite3PExpr(pParse, TK_DOT, temp1, temp4); } - yymsp[-4].minor.yy46 = yylhsminor.yy46; + yymsp[-4].minor.yy202 = yylhsminor.yy202; break; - case 171: /* term ::= NULL|FLOAT|BLOB */ - case 172: /* term ::= STRING */ yytestcase(yyruleno==172); -{yymsp[0].minor.yy46=tokenExpr(pParse,yymsp[0].major,yymsp[0].minor.yy0); /*A-overwrites-X*/} + case 173: /* term ::= NULL|FLOAT|BLOB */ + case 174: /* term ::= STRING */ yytestcase(yyruleno==174); +{yymsp[0].minor.yy202=tokenExpr(pParse,yymsp[0].major,yymsp[0].minor.yy0); /*A-overwrites-X*/} break; - case 173: /* term ::= INTEGER */ + case 175: /* term ::= INTEGER */ { - yylhsminor.yy46 = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1); + yylhsminor.yy202 = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1); } - yymsp[0].minor.yy46 = yylhsminor.yy46; + yymsp[0].minor.yy202 = yylhsminor.yy202; break; - case 174: /* expr ::= VARIABLE */ + case 176: /* expr ::= VARIABLE */ { if( !(yymsp[0].minor.yy0.z[0]=='#' && sqlite3Isdigit(yymsp[0].minor.yy0.z[1])) ){ u32 n = yymsp[0].minor.yy0.n; - yymsp[0].minor.yy46 = tokenExpr(pParse, TK_VARIABLE, yymsp[0].minor.yy0); - sqlite3ExprAssignVarNumber(pParse, yymsp[0].minor.yy46, n); + yymsp[0].minor.yy202 = tokenExpr(pParse, TK_VARIABLE, yymsp[0].minor.yy0); + sqlite3ExprAssignVarNumber(pParse, yymsp[0].minor.yy202, n); }else{ /* When doing a nested parse, one can include terms in an expression ** that look like this: #1 #2 ... These terms refer to registers @@ -153653,156 +158262,159 @@ static YYACTIONTYPE yy_reduce( assert( t.n>=2 ); if( pParse->nested==0 ){ sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &t); - yymsp[0].minor.yy46 = 0; + yymsp[0].minor.yy202 = 0; }else{ - yymsp[0].minor.yy46 = sqlite3PExpr(pParse, TK_REGISTER, 0, 0); - if( yymsp[0].minor.yy46 ) sqlite3GetInt32(&t.z[1], &yymsp[0].minor.yy46->iTable); + yymsp[0].minor.yy202 = sqlite3PExpr(pParse, TK_REGISTER, 0, 0); + if( yymsp[0].minor.yy202 ) sqlite3GetInt32(&t.z[1], &yymsp[0].minor.yy202->iTable); } } } break; - case 175: /* expr ::= expr COLLATE ID|STRING */ + case 177: /* expr ::= expr COLLATE ID|STRING */ { - yymsp[-2].minor.yy46 = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy46, &yymsp[0].minor.yy0, 1); + yymsp[-2].minor.yy202 = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy202, &yymsp[0].minor.yy0, 1); } break; - case 176: /* expr ::= CAST LP expr AS typetoken RP */ + case 178: /* expr ::= CAST LP expr AS typetoken RP */ { - yymsp[-5].minor.yy46 = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1); - sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy46, yymsp[-3].minor.yy46, 0); + yymsp[-5].minor.yy202 = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1); + sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy202, yymsp[-3].minor.yy202, 0); } break; - case 177: /* expr ::= ID|INDEXED LP distinct exprlist RP */ + case 179: /* expr ::= ID|INDEXED LP distinct exprlist RP */ { - yylhsminor.yy46 = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy138, &yymsp[-4].minor.yy0, yymsp[-2].minor.yy32); + yylhsminor.yy202 = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy242, &yymsp[-4].minor.yy0, yymsp[-2].minor.yy192); } - yymsp[-4].minor.yy46 = yylhsminor.yy46; + yymsp[-4].minor.yy202 = yylhsminor.yy202; break; - case 178: /* expr ::= ID|INDEXED LP STAR RP */ + case 180: /* expr ::= ID|INDEXED LP STAR RP */ { - yylhsminor.yy46 = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0, 0); + yylhsminor.yy202 = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0, 0); } - yymsp[-3].minor.yy46 = yylhsminor.yy46; + yymsp[-3].minor.yy202 = yylhsminor.yy202; break; - case 179: /* expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ + case 181: /* expr ::= ID|INDEXED LP distinct exprlist RP filter_over */ { - yylhsminor.yy46 = sqlite3ExprFunction(pParse, yymsp[-2].minor.yy138, &yymsp[-5].minor.yy0, yymsp[-3].minor.yy32); - sqlite3WindowAttach(pParse, yylhsminor.yy46, yymsp[0].minor.yy455); + yylhsminor.yy202 = sqlite3ExprFunction(pParse, yymsp[-2].minor.yy242, &yymsp[-5].minor.yy0, yymsp[-3].minor.yy192); + sqlite3WindowAttach(pParse, yylhsminor.yy202, yymsp[0].minor.yy303); } - yymsp[-5].minor.yy46 = yylhsminor.yy46; + yymsp[-5].minor.yy202 = yylhsminor.yy202; break; - case 180: /* expr ::= ID|INDEXED LP STAR RP filter_over */ + case 182: /* expr ::= ID|INDEXED LP STAR RP filter_over */ { - yylhsminor.yy46 = sqlite3ExprFunction(pParse, 0, &yymsp[-4].minor.yy0, 0); - sqlite3WindowAttach(pParse, yylhsminor.yy46, yymsp[0].minor.yy455); + yylhsminor.yy202 = sqlite3ExprFunction(pParse, 0, &yymsp[-4].minor.yy0, 0); + sqlite3WindowAttach(pParse, yylhsminor.yy202, yymsp[0].minor.yy303); } - yymsp[-4].minor.yy46 = yylhsminor.yy46; + yymsp[-4].minor.yy202 = yylhsminor.yy202; break; - case 181: /* term ::= CTIME_KW */ + case 183: /* term ::= CTIME_KW */ { - yylhsminor.yy46 = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0, 0); + yylhsminor.yy202 = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0, 0); } - yymsp[0].minor.yy46 = yylhsminor.yy46; + yymsp[0].minor.yy202 = yylhsminor.yy202; break; - case 182: /* expr ::= LP nexprlist COMMA expr RP */ + case 184: /* expr ::= LP nexprlist COMMA expr RP */ { - ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy138, yymsp[-1].minor.yy46); - yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); - if( yymsp[-4].minor.yy46 ){ - yymsp[-4].minor.yy46->x.pList = pList; + ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy242, yymsp[-1].minor.yy202); + yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_VECTOR, 0, 0); + if( yymsp[-4].minor.yy202 ){ + yymsp[-4].minor.yy202->x.pList = pList; + if( ALWAYS(pList->nExpr) ){ + yymsp[-4].minor.yy202->flags |= pList->a[0].pExpr->flags & EP_Propagate; + } }else{ sqlite3ExprListDelete(pParse->db, pList); } } break; - case 183: /* expr ::= expr AND expr */ -{yymsp[-2].minor.yy46=sqlite3ExprAnd(pParse,yymsp[-2].minor.yy46,yymsp[0].minor.yy46);} + case 185: /* expr ::= expr AND expr */ +{yymsp[-2].minor.yy202=sqlite3ExprAnd(pParse,yymsp[-2].minor.yy202,yymsp[0].minor.yy202);} break; - case 184: /* expr ::= expr OR expr */ - case 185: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==185); - case 186: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==186); - case 187: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==187); - case 188: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==188); - case 189: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==189); - case 190: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==190); -{yymsp[-2].minor.yy46=sqlite3PExpr(pParse,yymsp[-1].major,yymsp[-2].minor.yy46,yymsp[0].minor.yy46);} + case 186: /* expr ::= expr OR expr */ + case 187: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==187); + case 188: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==188); + case 189: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==189); + case 190: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==190); + case 191: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==191); + case 192: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==192); +{yymsp[-2].minor.yy202=sqlite3PExpr(pParse,yymsp[-1].major,yymsp[-2].minor.yy202,yymsp[0].minor.yy202);} break; - case 191: /* likeop ::= NOT LIKE_KW|MATCH */ + case 193: /* likeop ::= NOT LIKE_KW|MATCH */ {yymsp[-1].minor.yy0=yymsp[0].minor.yy0; yymsp[-1].minor.yy0.n|=0x80000000; /*yymsp[-1].minor.yy0-overwrite-yymsp[0].minor.yy0*/} break; - case 192: /* expr ::= expr likeop expr */ + case 194: /* expr ::= expr likeop expr */ { ExprList *pList; int bNot = yymsp[-1].minor.yy0.n & 0x80000000; yymsp[-1].minor.yy0.n &= 0x7fffffff; - pList = sqlite3ExprListAppend(pParse,0, yymsp[0].minor.yy46); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[-2].minor.yy46); - yymsp[-2].minor.yy46 = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0, 0); - if( bNot ) yymsp[-2].minor.yy46 = sqlite3PExpr(pParse, TK_NOT, yymsp[-2].minor.yy46, 0); - if( yymsp[-2].minor.yy46 ) yymsp[-2].minor.yy46->flags |= EP_InfixFunc; + pList = sqlite3ExprListAppend(pParse,0, yymsp[0].minor.yy202); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[-2].minor.yy202); + yymsp[-2].minor.yy202 = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0, 0); + if( bNot ) yymsp[-2].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-2].minor.yy202, 0); + if( yymsp[-2].minor.yy202 ) yymsp[-2].minor.yy202->flags |= EP_InfixFunc; } break; - case 193: /* expr ::= expr likeop expr ESCAPE expr */ + case 195: /* expr ::= expr likeop expr ESCAPE expr */ { ExprList *pList; int bNot = yymsp[-3].minor.yy0.n & 0x80000000; yymsp[-3].minor.yy0.n &= 0x7fffffff; - pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy46); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[-4].minor.yy46); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy46); - yymsp[-4].minor.yy46 = sqlite3ExprFunction(pParse, pList, &yymsp[-3].minor.yy0, 0); - if( bNot ) yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy46, 0); - if( yymsp[-4].minor.yy46 ) yymsp[-4].minor.yy46->flags |= EP_InfixFunc; + pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy202); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[-4].minor.yy202); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy202); + yymsp[-4].minor.yy202 = sqlite3ExprFunction(pParse, pList, &yymsp[-3].minor.yy0, 0); + if( bNot ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); + if( yymsp[-4].minor.yy202 ) yymsp[-4].minor.yy202->flags |= EP_InfixFunc; } break; - case 194: /* expr ::= expr ISNULL|NOTNULL */ -{yymsp[-1].minor.yy46 = sqlite3PExpr(pParse,yymsp[0].major,yymsp[-1].minor.yy46,0);} + case 196: /* expr ::= expr ISNULL|NOTNULL */ +{yymsp[-1].minor.yy202 = sqlite3PExpr(pParse,yymsp[0].major,yymsp[-1].minor.yy202,0);} break; - case 195: /* expr ::= expr NOT NULL */ -{yymsp[-2].minor.yy46 = sqlite3PExpr(pParse,TK_NOTNULL,yymsp[-2].minor.yy46,0);} + case 197: /* expr ::= expr NOT NULL */ +{yymsp[-2].minor.yy202 = sqlite3PExpr(pParse,TK_NOTNULL,yymsp[-2].minor.yy202,0);} break; - case 196: /* expr ::= expr IS expr */ + case 198: /* expr ::= expr IS expr */ { - yymsp[-2].minor.yy46 = sqlite3PExpr(pParse,TK_IS,yymsp[-2].minor.yy46,yymsp[0].minor.yy46); - binaryToUnaryIfNull(pParse, yymsp[0].minor.yy46, yymsp[-2].minor.yy46, TK_ISNULL); + yymsp[-2].minor.yy202 = sqlite3PExpr(pParse,TK_IS,yymsp[-2].minor.yy202,yymsp[0].minor.yy202); + binaryToUnaryIfNull(pParse, yymsp[0].minor.yy202, yymsp[-2].minor.yy202, TK_ISNULL); } break; - case 197: /* expr ::= expr IS NOT expr */ + case 199: /* expr ::= expr IS NOT expr */ { - yymsp[-3].minor.yy46 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-3].minor.yy46,yymsp[0].minor.yy46); - binaryToUnaryIfNull(pParse, yymsp[0].minor.yy46, yymsp[-3].minor.yy46, TK_NOTNULL); + yymsp[-3].minor.yy202 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-3].minor.yy202,yymsp[0].minor.yy202); + binaryToUnaryIfNull(pParse, yymsp[0].minor.yy202, yymsp[-3].minor.yy202, TK_NOTNULL); } break; - case 198: /* expr ::= NOT expr */ - case 199: /* expr ::= BITNOT expr */ yytestcase(yyruleno==199); -{yymsp[-1].minor.yy46 = sqlite3PExpr(pParse, yymsp[-1].major, yymsp[0].minor.yy46, 0);/*A-overwrites-B*/} + case 200: /* expr ::= NOT expr */ + case 201: /* expr ::= BITNOT expr */ yytestcase(yyruleno==201); +{yymsp[-1].minor.yy202 = sqlite3PExpr(pParse, yymsp[-1].major, yymsp[0].minor.yy202, 0);/*A-overwrites-B*/} break; - case 200: /* expr ::= PLUS|MINUS expr */ + case 202: /* expr ::= PLUS|MINUS expr */ { - yymsp[-1].minor.yy46 = sqlite3PExpr(pParse, yymsp[-1].major==TK_PLUS ? TK_UPLUS : TK_UMINUS, yymsp[0].minor.yy46, 0); + yymsp[-1].minor.yy202 = sqlite3PExpr(pParse, yymsp[-1].major==TK_PLUS ? TK_UPLUS : TK_UMINUS, yymsp[0].minor.yy202, 0); /*A-overwrites-B*/ } break; - case 201: /* between_op ::= BETWEEN */ - case 204: /* in_op ::= IN */ yytestcase(yyruleno==204); -{yymsp[0].minor.yy32 = 0;} + case 203: /* between_op ::= BETWEEN */ + case 206: /* in_op ::= IN */ yytestcase(yyruleno==206); +{yymsp[0].minor.yy192 = 0;} break; - case 203: /* expr ::= expr between_op expr AND expr */ + case 205: /* expr ::= expr between_op expr AND expr */ { - ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy46); - pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy46); - yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy46, 0); - if( yymsp[-4].minor.yy46 ){ - yymsp[-4].minor.yy46->x.pList = pList; + ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy202); + pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy202); + yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy202, 0); + if( yymsp[-4].minor.yy202 ){ + yymsp[-4].minor.yy202->x.pList = pList; }else{ sqlite3ExprListDelete(pParse->db, pList); - } - if( yymsp[-3].minor.yy32 ) yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy46, 0); + } + if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); } break; - case 206: /* expr ::= expr in_op LP exprlist RP */ + case 208: /* expr ::= expr in_op LP exprlist RP */ { - if( yymsp[-1].minor.yy138==0 ){ + if( yymsp[-1].minor.yy242==0 ){ /* Expressions of the form ** ** expr1 IN () @@ -153811,533 +158423,542 @@ static YYACTIONTYPE yy_reduce( ** simplify to constants 0 (false) and 1 (true), respectively, ** regardless of the value of expr1. */ - sqlite3ExprUnmapAndDelete(pParse, yymsp[-4].minor.yy46); - yymsp[-4].minor.yy46 = sqlite3Expr(pParse->db, TK_INTEGER, yymsp[-3].minor.yy32 ? "1" : "0"); - }else{ - yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy46, 0); - if( yymsp[-4].minor.yy46 ){ - yymsp[-4].minor.yy46->x.pList = yymsp[-1].minor.yy138; - sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy46); + sqlite3ExprUnmapAndDelete(pParse, yymsp[-4].minor.yy202); + yymsp[-4].minor.yy202 = sqlite3Expr(pParse->db, TK_INTEGER, yymsp[-3].minor.yy192 ? "1" : "0"); + }else if( yymsp[-1].minor.yy242->nExpr==1 && sqlite3ExprIsConstant(yymsp[-1].minor.yy242->a[0].pExpr) ){ + Expr *pRHS = yymsp[-1].minor.yy242->a[0].pExpr; + yymsp[-1].minor.yy242->a[0].pExpr = 0; + sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy242); + pRHS = sqlite3PExpr(pParse, TK_UPLUS, pRHS, 0); + yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_EQ, yymsp[-4].minor.yy202, pRHS); + if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); + }else{ + yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy202, 0); + if( yymsp[-4].minor.yy202 ){ + yymsp[-4].minor.yy202->x.pList = yymsp[-1].minor.yy242; + sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy202); }else{ - sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy138); + sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy242); } - if( yymsp[-3].minor.yy32 ) yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy46, 0); + if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); } } break; - case 207: /* expr ::= LP select RP */ + case 209: /* expr ::= LP select RP */ { - yymsp[-2].minor.yy46 = sqlite3PExpr(pParse, TK_SELECT, 0, 0); - sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy46, yymsp[-1].minor.yy25); + yymsp[-2].minor.yy202 = sqlite3PExpr(pParse, TK_SELECT, 0, 0); + sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy202, yymsp[-1].minor.yy539); } break; - case 208: /* expr ::= expr in_op LP select RP */ + case 210: /* expr ::= expr in_op LP select RP */ { - yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy46, 0); - sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy46, yymsp[-1].minor.yy25); - if( yymsp[-3].minor.yy32 ) yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy46, 0); + yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy202, 0); + sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy202, yymsp[-1].minor.yy539); + if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); } break; - case 209: /* expr ::= expr in_op nm dbnm paren_exprlist */ + case 211: /* expr ::= expr in_op nm dbnm paren_exprlist */ { SrcList *pSrc = sqlite3SrcListAppend(pParse, 0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0); Select *pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0); - if( yymsp[0].minor.yy138 ) sqlite3SrcListFuncArgs(pParse, pSelect ? pSrc : 0, yymsp[0].minor.yy138); - yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy46, 0); - sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy46, pSelect); - if( yymsp[-3].minor.yy32 ) yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy46, 0); + if( yymsp[0].minor.yy242 ) sqlite3SrcListFuncArgs(pParse, pSelect ? pSrc : 0, yymsp[0].minor.yy242); + yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy202, 0); + sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy202, pSelect); + if( yymsp[-3].minor.yy192 ) yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy202, 0); } break; - case 210: /* expr ::= EXISTS LP select RP */ + case 212: /* expr ::= EXISTS LP select RP */ { Expr *p; - p = yymsp[-3].minor.yy46 = sqlite3PExpr(pParse, TK_EXISTS, 0, 0); - sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy25); + p = yymsp[-3].minor.yy202 = sqlite3PExpr(pParse, TK_EXISTS, 0, 0); + sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy539); } break; - case 211: /* expr ::= CASE case_operand case_exprlist case_else END */ + case 213: /* expr ::= CASE case_operand case_exprlist case_else END */ { - yymsp[-4].minor.yy46 = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy46, 0); - if( yymsp[-4].minor.yy46 ){ - yymsp[-4].minor.yy46->x.pList = yymsp[-1].minor.yy46 ? sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy138,yymsp[-1].minor.yy46) : yymsp[-2].minor.yy138; - sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy46); + yymsp[-4].minor.yy202 = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy202, 0); + if( yymsp[-4].minor.yy202 ){ + yymsp[-4].minor.yy202->x.pList = yymsp[-1].minor.yy202 ? sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy242,yymsp[-1].minor.yy202) : yymsp[-2].minor.yy242; + sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy202); }else{ - sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy138); - sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy46); + sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy242); + sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy202); } } break; - case 212: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ + case 214: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */ { - yymsp[-4].minor.yy138 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy138, yymsp[-2].minor.yy46); - yymsp[-4].minor.yy138 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy138, yymsp[0].minor.yy46); + yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242, yymsp[-2].minor.yy202); + yymsp[-4].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy242, yymsp[0].minor.yy202); } break; - case 213: /* case_exprlist ::= WHEN expr THEN expr */ + case 215: /* case_exprlist ::= WHEN expr THEN expr */ { - yymsp[-3].minor.yy138 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy46); - yymsp[-3].minor.yy138 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy138, yymsp[0].minor.yy46); + yymsp[-3].minor.yy242 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy202); + yymsp[-3].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy242, yymsp[0].minor.yy202); } break; - case 216: /* case_operand ::= expr */ -{yymsp[0].minor.yy46 = yymsp[0].minor.yy46; /*A-overwrites-X*/} + case 218: /* case_operand ::= expr */ +{yymsp[0].minor.yy202 = yymsp[0].minor.yy202; /*A-overwrites-X*/} break; - case 219: /* nexprlist ::= nexprlist COMMA expr */ -{yymsp[-2].minor.yy138 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy138,yymsp[0].minor.yy46);} + case 221: /* nexprlist ::= nexprlist COMMA expr */ +{yymsp[-2].minor.yy242 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy242,yymsp[0].minor.yy202);} break; - case 220: /* nexprlist ::= expr */ -{yymsp[0].minor.yy138 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy46); /*A-overwrites-Y*/} + case 222: /* nexprlist ::= expr */ +{yymsp[0].minor.yy242 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy202); /*A-overwrites-Y*/} break; - case 222: /* paren_exprlist ::= LP exprlist RP */ - case 227: /* eidlist_opt ::= LP eidlist RP */ yytestcase(yyruleno==227); -{yymsp[-2].minor.yy138 = yymsp[-1].minor.yy138;} + case 224: /* paren_exprlist ::= LP exprlist RP */ + case 229: /* eidlist_opt ::= LP eidlist RP */ yytestcase(yyruleno==229); +{yymsp[-2].minor.yy242 = yymsp[-1].minor.yy242;} break; - case 223: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ + case 225: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */ { - sqlite3CreateIndex(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, - sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,0), yymsp[-2].minor.yy138, yymsp[-10].minor.yy32, - &yymsp[-11].minor.yy0, yymsp[0].minor.yy46, SQLITE_SO_ASC, yymsp[-8].minor.yy32, SQLITE_IDXTYPE_APPDEF); + sqlite3CreateIndex(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, + sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,0), yymsp[-2].minor.yy242, yymsp[-10].minor.yy192, + &yymsp[-11].minor.yy0, yymsp[0].minor.yy202, SQLITE_SO_ASC, yymsp[-8].minor.yy192, SQLITE_IDXTYPE_APPDEF); if( IN_RENAME_OBJECT && pParse->pNewIndex ){ sqlite3RenameTokenMap(pParse, pParse->pNewIndex->zName, &yymsp[-4].minor.yy0); } } break; - case 224: /* uniqueflag ::= UNIQUE */ - case 266: /* raisetype ::= ABORT */ yytestcase(yyruleno==266); -{yymsp[0].minor.yy32 = OE_Abort;} + case 226: /* uniqueflag ::= UNIQUE */ + case 268: /* raisetype ::= ABORT */ yytestcase(yyruleno==268); +{yymsp[0].minor.yy192 = OE_Abort;} break; - case 225: /* uniqueflag ::= */ -{yymsp[1].minor.yy32 = OE_None;} + case 227: /* uniqueflag ::= */ +{yymsp[1].minor.yy192 = OE_None;} break; - case 228: /* eidlist ::= eidlist COMMA nm collate sortorder */ + case 230: /* eidlist ::= eidlist COMMA nm collate sortorder */ { - yymsp[-4].minor.yy138 = parserAddExprIdListTerm(pParse, yymsp[-4].minor.yy138, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy32, yymsp[0].minor.yy32); + yymsp[-4].minor.yy242 = parserAddExprIdListTerm(pParse, yymsp[-4].minor.yy242, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy192, yymsp[0].minor.yy192); } break; - case 229: /* eidlist ::= nm collate sortorder */ + case 231: /* eidlist ::= nm collate sortorder */ { - yymsp[-2].minor.yy138 = parserAddExprIdListTerm(pParse, 0, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy32, yymsp[0].minor.yy32); /*A-overwrites-Y*/ + yymsp[-2].minor.yy242 = parserAddExprIdListTerm(pParse, 0, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy192, yymsp[0].minor.yy192); /*A-overwrites-Y*/ } break; - case 232: /* cmd ::= DROP INDEX ifexists fullname */ -{sqlite3DropIndex(pParse, yymsp[0].minor.yy609, yymsp[-1].minor.yy32);} + case 234: /* cmd ::= DROP INDEX ifexists fullname */ +{sqlite3DropIndex(pParse, yymsp[0].minor.yy47, yymsp[-1].minor.yy192);} break; - case 233: /* cmd ::= VACUUM vinto */ -{sqlite3Vacuum(pParse,0,yymsp[0].minor.yy46);} + case 235: /* cmd ::= VACUUM vinto */ +{sqlite3Vacuum(pParse,0,yymsp[0].minor.yy202);} break; - case 234: /* cmd ::= VACUUM nm vinto */ -{sqlite3Vacuum(pParse,&yymsp[-1].minor.yy0,yymsp[0].minor.yy46);} + case 236: /* cmd ::= VACUUM nm vinto */ +{sqlite3Vacuum(pParse,&yymsp[-1].minor.yy0,yymsp[0].minor.yy202);} break; - case 237: /* cmd ::= PRAGMA nm dbnm */ + case 239: /* cmd ::= PRAGMA nm dbnm */ {sqlite3Pragma(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,0,0);} break; - case 238: /* cmd ::= PRAGMA nm dbnm EQ nmnum */ + case 240: /* cmd ::= PRAGMA nm dbnm EQ nmnum */ {sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,0);} break; - case 239: /* cmd ::= PRAGMA nm dbnm LP nmnum RP */ + case 241: /* cmd ::= PRAGMA nm dbnm LP nmnum RP */ {sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,0);} break; - case 240: /* cmd ::= PRAGMA nm dbnm EQ minus_num */ + case 242: /* cmd ::= PRAGMA nm dbnm EQ minus_num */ {sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,1);} break; - case 241: /* cmd ::= PRAGMA nm dbnm LP minus_num RP */ + case 243: /* cmd ::= PRAGMA nm dbnm LP minus_num RP */ {sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,1);} break; - case 244: /* cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ + case 246: /* cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */ { Token all; all.z = yymsp[-3].minor.yy0.z; all.n = (int)(yymsp[0].minor.yy0.z - yymsp[-3].minor.yy0.z) + yymsp[0].minor.yy0.n; - sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy527, &all); + sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy447, &all); } break; - case 245: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ + case 247: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */ { - sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy32, yymsp[-4].minor.yy572.a, yymsp[-4].minor.yy572.b, yymsp[-2].minor.yy609, yymsp[0].minor.yy46, yymsp[-10].minor.yy32, yymsp[-8].minor.yy32); + sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy192, yymsp[-4].minor.yy230.a, yymsp[-4].minor.yy230.b, yymsp[-2].minor.yy47, yymsp[0].minor.yy202, yymsp[-10].minor.yy192, yymsp[-8].minor.yy192); yymsp[-10].minor.yy0 = (yymsp[-6].minor.yy0.n==0?yymsp[-7].minor.yy0:yymsp[-6].minor.yy0); /*A-overwrites-T*/ } break; - case 246: /* trigger_time ::= BEFORE|AFTER */ -{ yymsp[0].minor.yy32 = yymsp[0].major; /*A-overwrites-X*/ } + case 248: /* trigger_time ::= BEFORE|AFTER */ +{ yymsp[0].minor.yy192 = yymsp[0].major; /*A-overwrites-X*/ } break; - case 247: /* trigger_time ::= INSTEAD OF */ -{ yymsp[-1].minor.yy32 = TK_INSTEAD;} + case 249: /* trigger_time ::= INSTEAD OF */ +{ yymsp[-1].minor.yy192 = TK_INSTEAD;} break; - case 248: /* trigger_time ::= */ -{ yymsp[1].minor.yy32 = TK_BEFORE; } + case 250: /* trigger_time ::= */ +{ yymsp[1].minor.yy192 = TK_BEFORE; } break; - case 249: /* trigger_event ::= DELETE|INSERT */ - case 250: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==250); -{yymsp[0].minor.yy572.a = yymsp[0].major; /*A-overwrites-X*/ yymsp[0].minor.yy572.b = 0;} + case 251: /* trigger_event ::= DELETE|INSERT */ + case 252: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==252); +{yymsp[0].minor.yy230.a = yymsp[0].major; /*A-overwrites-X*/ yymsp[0].minor.yy230.b = 0;} break; - case 251: /* trigger_event ::= UPDATE OF idlist */ -{yymsp[-2].minor.yy572.a = TK_UPDATE; yymsp[-2].minor.yy572.b = yymsp[0].minor.yy406;} + case 253: /* trigger_event ::= UPDATE OF idlist */ +{yymsp[-2].minor.yy230.a = TK_UPDATE; yymsp[-2].minor.yy230.b = yymsp[0].minor.yy600;} break; - case 252: /* when_clause ::= */ - case 271: /* key_opt ::= */ yytestcase(yyruleno==271); -{ yymsp[1].minor.yy46 = 0; } + case 254: /* when_clause ::= */ + case 273: /* key_opt ::= */ yytestcase(yyruleno==273); +{ yymsp[1].minor.yy202 = 0; } break; - case 253: /* when_clause ::= WHEN expr */ - case 272: /* key_opt ::= KEY expr */ yytestcase(yyruleno==272); -{ yymsp[-1].minor.yy46 = yymsp[0].minor.yy46; } + case 255: /* when_clause ::= WHEN expr */ + case 274: /* key_opt ::= KEY expr */ yytestcase(yyruleno==274); +{ yymsp[-1].minor.yy202 = yymsp[0].minor.yy202; } break; - case 254: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ + case 256: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */ { - assert( yymsp[-2].minor.yy527!=0 ); - yymsp[-2].minor.yy527->pLast->pNext = yymsp[-1].minor.yy527; - yymsp[-2].minor.yy527->pLast = yymsp[-1].minor.yy527; + assert( yymsp[-2].minor.yy447!=0 ); + yymsp[-2].minor.yy447->pLast->pNext = yymsp[-1].minor.yy447; + yymsp[-2].minor.yy447->pLast = yymsp[-1].minor.yy447; } break; - case 255: /* trigger_cmd_list ::= trigger_cmd SEMI */ -{ - assert( yymsp[-1].minor.yy527!=0 ); - yymsp[-1].minor.yy527->pLast = yymsp[-1].minor.yy527; + case 257: /* trigger_cmd_list ::= trigger_cmd SEMI */ +{ + assert( yymsp[-1].minor.yy447!=0 ); + yymsp[-1].minor.yy447->pLast = yymsp[-1].minor.yy447; } break; - case 256: /* trnm ::= nm DOT nm */ + case 258: /* trnm ::= nm DOT nm */ { yymsp[-2].minor.yy0 = yymsp[0].minor.yy0; - sqlite3ErrorMsg(pParse, + sqlite3ErrorMsg(pParse, "qualified table names are not allowed on INSERT, UPDATE, and DELETE " "statements within triggers"); } break; - case 257: /* tridxby ::= INDEXED BY nm */ + case 259: /* tridxby ::= INDEXED BY nm */ { sqlite3ErrorMsg(pParse, "the INDEXED BY clause is not allowed on UPDATE or DELETE statements " "within triggers"); } break; - case 258: /* tridxby ::= NOT INDEXED */ + case 260: /* tridxby ::= NOT INDEXED */ { sqlite3ErrorMsg(pParse, "the NOT INDEXED clause is not allowed on UPDATE or DELETE statements " "within triggers"); } break; - case 259: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */ -{yylhsminor.yy527 = sqlite3TriggerUpdateStep(pParse, &yymsp[-5].minor.yy0, yymsp[-2].minor.yy138, yymsp[-1].minor.yy46, yymsp[-6].minor.yy32, yymsp[-7].minor.yy0.z, yymsp[0].minor.yy8);} - yymsp[-7].minor.yy527 = yylhsminor.yy527; + case 261: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist from where_opt scanpt */ +{yylhsminor.yy447 = sqlite3TriggerUpdateStep(pParse, &yymsp[-6].minor.yy0, yymsp[-2].minor.yy47, yymsp[-3].minor.yy242, yymsp[-1].minor.yy202, yymsp[-7].minor.yy192, yymsp[-8].minor.yy0.z, yymsp[0].minor.yy436);} + yymsp[-8].minor.yy447 = yylhsminor.yy447; break; - case 260: /* trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ + case 262: /* trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */ { - yylhsminor.yy527 = sqlite3TriggerInsertStep(pParse,&yymsp[-4].minor.yy0,yymsp[-3].minor.yy406,yymsp[-2].minor.yy25,yymsp[-6].minor.yy32,yymsp[-1].minor.yy288,yymsp[-7].minor.yy8,yymsp[0].minor.yy8);/*yylhsminor.yy527-overwrites-yymsp[-6].minor.yy32*/ + yylhsminor.yy447 = sqlite3TriggerInsertStep(pParse,&yymsp[-4].minor.yy0,yymsp[-3].minor.yy600,yymsp[-2].minor.yy539,yymsp[-6].minor.yy192,yymsp[-1].minor.yy318,yymsp[-7].minor.yy436,yymsp[0].minor.yy436);/*yylhsminor.yy447-overwrites-yymsp[-6].minor.yy192*/ } - yymsp[-7].minor.yy527 = yylhsminor.yy527; + yymsp[-7].minor.yy447 = yylhsminor.yy447; break; - case 261: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ -{yylhsminor.yy527 = sqlite3TriggerDeleteStep(pParse, &yymsp[-3].minor.yy0, yymsp[-1].minor.yy46, yymsp[-5].minor.yy0.z, yymsp[0].minor.yy8);} - yymsp[-5].minor.yy527 = yylhsminor.yy527; + case 263: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */ +{yylhsminor.yy447 = sqlite3TriggerDeleteStep(pParse, &yymsp[-3].minor.yy0, yymsp[-1].minor.yy202, yymsp[-5].minor.yy0.z, yymsp[0].minor.yy436);} + yymsp[-5].minor.yy447 = yylhsminor.yy447; break; - case 262: /* trigger_cmd ::= scanpt select scanpt */ -{yylhsminor.yy527 = sqlite3TriggerSelectStep(pParse->db, yymsp[-1].minor.yy25, yymsp[-2].minor.yy8, yymsp[0].minor.yy8); /*yylhsminor.yy527-overwrites-yymsp[-1].minor.yy25*/} - yymsp[-2].minor.yy527 = yylhsminor.yy527; + case 264: /* trigger_cmd ::= scanpt select scanpt */ +{yylhsminor.yy447 = sqlite3TriggerSelectStep(pParse->db, yymsp[-1].minor.yy539, yymsp[-2].minor.yy436, yymsp[0].minor.yy436); /*yylhsminor.yy447-overwrites-yymsp[-1].minor.yy539*/} + yymsp[-2].minor.yy447 = yylhsminor.yy447; break; - case 263: /* expr ::= RAISE LP IGNORE RP */ + case 265: /* expr ::= RAISE LP IGNORE RP */ { - yymsp[-3].minor.yy46 = sqlite3PExpr(pParse, TK_RAISE, 0, 0); - if( yymsp[-3].minor.yy46 ){ - yymsp[-3].minor.yy46->affExpr = OE_Ignore; + yymsp[-3].minor.yy202 = sqlite3PExpr(pParse, TK_RAISE, 0, 0); + if( yymsp[-3].minor.yy202 ){ + yymsp[-3].minor.yy202->affExpr = OE_Ignore; } } break; - case 264: /* expr ::= RAISE LP raisetype COMMA nm RP */ + case 266: /* expr ::= RAISE LP raisetype COMMA nm RP */ { - yymsp[-5].minor.yy46 = sqlite3ExprAlloc(pParse->db, TK_RAISE, &yymsp[-1].minor.yy0, 1); - if( yymsp[-5].minor.yy46 ) { - yymsp[-5].minor.yy46->affExpr = (char)yymsp[-3].minor.yy32; + yymsp[-5].minor.yy202 = sqlite3ExprAlloc(pParse->db, TK_RAISE, &yymsp[-1].minor.yy0, 1); + if( yymsp[-5].minor.yy202 ) { + yymsp[-5].minor.yy202->affExpr = (char)yymsp[-3].minor.yy192; } } break; - case 265: /* raisetype ::= ROLLBACK */ -{yymsp[0].minor.yy32 = OE_Rollback;} + case 267: /* raisetype ::= ROLLBACK */ +{yymsp[0].minor.yy192 = OE_Rollback;} break; - case 267: /* raisetype ::= FAIL */ -{yymsp[0].minor.yy32 = OE_Fail;} + case 269: /* raisetype ::= FAIL */ +{yymsp[0].minor.yy192 = OE_Fail;} break; - case 268: /* cmd ::= DROP TRIGGER ifexists fullname */ + case 270: /* cmd ::= DROP TRIGGER ifexists fullname */ { - sqlite3DropTrigger(pParse,yymsp[0].minor.yy609,yymsp[-1].minor.yy32); + sqlite3DropTrigger(pParse,yymsp[0].minor.yy47,yymsp[-1].minor.yy192); } break; - case 269: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ + case 271: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */ { - sqlite3Attach(pParse, yymsp[-3].minor.yy46, yymsp[-1].minor.yy46, yymsp[0].minor.yy46); + sqlite3Attach(pParse, yymsp[-3].minor.yy202, yymsp[-1].minor.yy202, yymsp[0].minor.yy202); } break; - case 270: /* cmd ::= DETACH database_kw_opt expr */ + case 272: /* cmd ::= DETACH database_kw_opt expr */ { - sqlite3Detach(pParse, yymsp[0].minor.yy46); + sqlite3Detach(pParse, yymsp[0].minor.yy202); } break; - case 273: /* cmd ::= REINDEX */ + case 275: /* cmd ::= REINDEX */ {sqlite3Reindex(pParse, 0, 0);} break; - case 274: /* cmd ::= REINDEX nm dbnm */ + case 276: /* cmd ::= REINDEX nm dbnm */ {sqlite3Reindex(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; - case 275: /* cmd ::= ANALYZE */ + case 277: /* cmd ::= ANALYZE */ {sqlite3Analyze(pParse, 0, 0);} break; - case 276: /* cmd ::= ANALYZE nm dbnm */ + case 278: /* cmd ::= ANALYZE nm dbnm */ {sqlite3Analyze(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);} break; - case 277: /* cmd ::= ALTER TABLE fullname RENAME TO nm */ + case 279: /* cmd ::= ALTER TABLE fullname RENAME TO nm */ { - sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy609,&yymsp[0].minor.yy0); + sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy47,&yymsp[0].minor.yy0); } break; - case 278: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ + case 280: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */ { yymsp[-1].minor.yy0.n = (int)(pParse->sLastToken.z-yymsp[-1].minor.yy0.z) + pParse->sLastToken.n; sqlite3AlterFinishAddColumn(pParse, &yymsp[-1].minor.yy0); } break; - case 279: /* add_column_fullname ::= fullname */ + case 281: /* add_column_fullname ::= fullname */ { disableLookaside(pParse); - sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy609); + sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy47); } break; - case 280: /* cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ + case 282: /* cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */ { - sqlite3AlterRenameColumn(pParse, yymsp[-5].minor.yy609, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0); + sqlite3AlterRenameColumn(pParse, yymsp[-5].minor.yy47, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0); } break; - case 281: /* cmd ::= create_vtab */ + case 283: /* cmd ::= create_vtab */ {sqlite3VtabFinishParse(pParse,0);} break; - case 282: /* cmd ::= create_vtab LP vtabarglist RP */ + case 284: /* cmd ::= create_vtab LP vtabarglist RP */ {sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);} break; - case 283: /* create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ + case 285: /* create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */ { - sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-4].minor.yy32); + sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-4].minor.yy192); } break; - case 284: /* vtabarg ::= */ + case 286: /* vtabarg ::= */ {sqlite3VtabArgInit(pParse);} break; - case 285: /* vtabargtoken ::= ANY */ - case 286: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==286); - case 287: /* lp ::= LP */ yytestcase(yyruleno==287); + case 287: /* vtabargtoken ::= ANY */ + case 288: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==288); + case 289: /* lp ::= LP */ yytestcase(yyruleno==289); {sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);} break; - case 288: /* with ::= WITH wqlist */ - case 289: /* with ::= WITH RECURSIVE wqlist */ yytestcase(yyruleno==289); -{ sqlite3WithPush(pParse, yymsp[0].minor.yy297, 1); } + case 290: /* with ::= WITH wqlist */ + case 291: /* with ::= WITH RECURSIVE wqlist */ yytestcase(yyruleno==291); +{ sqlite3WithPush(pParse, yymsp[0].minor.yy131, 1); } break; - case 290: /* wqlist ::= nm eidlist_opt AS LP select RP */ + case 292: /* wqlist ::= nm eidlist_opt AS LP select RP */ { - yymsp[-5].minor.yy297 = sqlite3WithAdd(pParse, 0, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy138, yymsp[-1].minor.yy25); /*A-overwrites-X*/ + yymsp[-5].minor.yy131 = sqlite3WithAdd(pParse, 0, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy242, yymsp[-1].minor.yy539); /*A-overwrites-X*/ } break; - case 291: /* wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ + case 293: /* wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */ { - yymsp[-7].minor.yy297 = sqlite3WithAdd(pParse, yymsp[-7].minor.yy297, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy138, yymsp[-1].minor.yy25); + yymsp[-7].minor.yy131 = sqlite3WithAdd(pParse, yymsp[-7].minor.yy131, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy242, yymsp[-1].minor.yy539); } break; - case 292: /* windowdefn_list ::= windowdefn */ -{ yylhsminor.yy455 = yymsp[0].minor.yy455; } - yymsp[0].minor.yy455 = yylhsminor.yy455; + case 294: /* windowdefn_list ::= windowdefn */ +{ yylhsminor.yy303 = yymsp[0].minor.yy303; } + yymsp[0].minor.yy303 = yylhsminor.yy303; break; - case 293: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ + case 295: /* windowdefn_list ::= windowdefn_list COMMA windowdefn */ { - assert( yymsp[0].minor.yy455!=0 ); - sqlite3WindowChain(pParse, yymsp[0].minor.yy455, yymsp[-2].minor.yy455); - yymsp[0].minor.yy455->pNextWin = yymsp[-2].minor.yy455; - yylhsminor.yy455 = yymsp[0].minor.yy455; + assert( yymsp[0].minor.yy303!=0 ); + sqlite3WindowChain(pParse, yymsp[0].minor.yy303, yymsp[-2].minor.yy303); + yymsp[0].minor.yy303->pNextWin = yymsp[-2].minor.yy303; + yylhsminor.yy303 = yymsp[0].minor.yy303; } - yymsp[-2].minor.yy455 = yylhsminor.yy455; + yymsp[-2].minor.yy303 = yylhsminor.yy303; break; - case 294: /* windowdefn ::= nm AS LP window RP */ + case 296: /* windowdefn ::= nm AS LP window RP */ { - if( ALWAYS(yymsp[-1].minor.yy455) ){ - yymsp[-1].minor.yy455->zName = sqlite3DbStrNDup(pParse->db, yymsp[-4].minor.yy0.z, yymsp[-4].minor.yy0.n); + if( ALWAYS(yymsp[-1].minor.yy303) ){ + yymsp[-1].minor.yy303->zName = sqlite3DbStrNDup(pParse->db, yymsp[-4].minor.yy0.z, yymsp[-4].minor.yy0.n); } - yylhsminor.yy455 = yymsp[-1].minor.yy455; + yylhsminor.yy303 = yymsp[-1].minor.yy303; } - yymsp[-4].minor.yy455 = yylhsminor.yy455; + yymsp[-4].minor.yy303 = yylhsminor.yy303; break; - case 295: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ + case 297: /* window ::= PARTITION BY nexprlist orderby_opt frame_opt */ { - yymsp[-4].minor.yy455 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy455, yymsp[-2].minor.yy138, yymsp[-1].minor.yy138, 0); + yymsp[-4].minor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, yymsp[-2].minor.yy242, yymsp[-1].minor.yy242, 0); } break; - case 296: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ + case 298: /* window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */ { - yylhsminor.yy455 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy455, yymsp[-2].minor.yy138, yymsp[-1].minor.yy138, &yymsp[-5].minor.yy0); + yylhsminor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, yymsp[-2].minor.yy242, yymsp[-1].minor.yy242, &yymsp[-5].minor.yy0); } - yymsp[-5].minor.yy455 = yylhsminor.yy455; + yymsp[-5].minor.yy303 = yylhsminor.yy303; break; - case 297: /* window ::= ORDER BY sortlist frame_opt */ + case 299: /* window ::= ORDER BY sortlist frame_opt */ { - yymsp[-3].minor.yy455 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy455, 0, yymsp[-1].minor.yy138, 0); + yymsp[-3].minor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, 0, yymsp[-1].minor.yy242, 0); } break; - case 298: /* window ::= nm ORDER BY sortlist frame_opt */ + case 300: /* window ::= nm ORDER BY sortlist frame_opt */ { - yylhsminor.yy455 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy455, 0, yymsp[-1].minor.yy138, &yymsp[-4].minor.yy0); + yylhsminor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, 0, yymsp[-1].minor.yy242, &yymsp[-4].minor.yy0); } - yymsp[-4].minor.yy455 = yylhsminor.yy455; + yymsp[-4].minor.yy303 = yylhsminor.yy303; break; - case 299: /* window ::= frame_opt */ - case 318: /* filter_over ::= over_clause */ yytestcase(yyruleno==318); + case 301: /* window ::= frame_opt */ + case 320: /* filter_over ::= over_clause */ yytestcase(yyruleno==320); { - yylhsminor.yy455 = yymsp[0].minor.yy455; + yylhsminor.yy303 = yymsp[0].minor.yy303; } - yymsp[0].minor.yy455 = yylhsminor.yy455; + yymsp[0].minor.yy303 = yylhsminor.yy303; break; - case 300: /* window ::= nm frame_opt */ + case 302: /* window ::= nm frame_opt */ { - yylhsminor.yy455 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy455, 0, 0, &yymsp[-1].minor.yy0); + yylhsminor.yy303 = sqlite3WindowAssemble(pParse, yymsp[0].minor.yy303, 0, 0, &yymsp[-1].minor.yy0); } - yymsp[-1].minor.yy455 = yylhsminor.yy455; + yymsp[-1].minor.yy303 = yylhsminor.yy303; break; - case 301: /* frame_opt ::= */ -{ - yymsp[1].minor.yy455 = sqlite3WindowAlloc(pParse, 0, TK_UNBOUNDED, 0, TK_CURRENT, 0, 0); + case 303: /* frame_opt ::= */ +{ + yymsp[1].minor.yy303 = sqlite3WindowAlloc(pParse, 0, TK_UNBOUNDED, 0, TK_CURRENT, 0, 0); } break; - case 302: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ -{ - yylhsminor.yy455 = sqlite3WindowAlloc(pParse, yymsp[-2].minor.yy32, yymsp[-1].minor.yy57.eType, yymsp[-1].minor.yy57.pExpr, TK_CURRENT, 0, yymsp[0].minor.yy118); + case 304: /* frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */ +{ + yylhsminor.yy303 = sqlite3WindowAlloc(pParse, yymsp[-2].minor.yy192, yymsp[-1].minor.yy77.eType, yymsp[-1].minor.yy77.pExpr, TK_CURRENT, 0, yymsp[0].minor.yy58); } - yymsp[-2].minor.yy455 = yylhsminor.yy455; + yymsp[-2].minor.yy303 = yylhsminor.yy303; break; - case 303: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ -{ - yylhsminor.yy455 = sqlite3WindowAlloc(pParse, yymsp[-5].minor.yy32, yymsp[-3].minor.yy57.eType, yymsp[-3].minor.yy57.pExpr, yymsp[-1].minor.yy57.eType, yymsp[-1].minor.yy57.pExpr, yymsp[0].minor.yy118); + case 305: /* frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */ +{ + yylhsminor.yy303 = sqlite3WindowAlloc(pParse, yymsp[-5].minor.yy192, yymsp[-3].minor.yy77.eType, yymsp[-3].minor.yy77.pExpr, yymsp[-1].minor.yy77.eType, yymsp[-1].minor.yy77.pExpr, yymsp[0].minor.yy58); } - yymsp[-5].minor.yy455 = yylhsminor.yy455; + yymsp[-5].minor.yy303 = yylhsminor.yy303; break; - case 305: /* frame_bound_s ::= frame_bound */ - case 307: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==307); -{yylhsminor.yy57 = yymsp[0].minor.yy57;} - yymsp[0].minor.yy57 = yylhsminor.yy57; + case 307: /* frame_bound_s ::= frame_bound */ + case 309: /* frame_bound_e ::= frame_bound */ yytestcase(yyruleno==309); +{yylhsminor.yy77 = yymsp[0].minor.yy77;} + yymsp[0].minor.yy77 = yylhsminor.yy77; break; - case 306: /* frame_bound_s ::= UNBOUNDED PRECEDING */ - case 308: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==308); - case 310: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==310); -{yylhsminor.yy57.eType = yymsp[-1].major; yylhsminor.yy57.pExpr = 0;} - yymsp[-1].minor.yy57 = yylhsminor.yy57; + case 308: /* frame_bound_s ::= UNBOUNDED PRECEDING */ + case 310: /* frame_bound_e ::= UNBOUNDED FOLLOWING */ yytestcase(yyruleno==310); + case 312: /* frame_bound ::= CURRENT ROW */ yytestcase(yyruleno==312); +{yylhsminor.yy77.eType = yymsp[-1].major; yylhsminor.yy77.pExpr = 0;} + yymsp[-1].minor.yy77 = yylhsminor.yy77; break; - case 309: /* frame_bound ::= expr PRECEDING|FOLLOWING */ -{yylhsminor.yy57.eType = yymsp[0].major; yylhsminor.yy57.pExpr = yymsp[-1].minor.yy46;} - yymsp[-1].minor.yy57 = yylhsminor.yy57; + case 311: /* frame_bound ::= expr PRECEDING|FOLLOWING */ +{yylhsminor.yy77.eType = yymsp[0].major; yylhsminor.yy77.pExpr = yymsp[-1].minor.yy202;} + yymsp[-1].minor.yy77 = yylhsminor.yy77; break; - case 311: /* frame_exclude_opt ::= */ -{yymsp[1].minor.yy118 = 0;} + case 313: /* frame_exclude_opt ::= */ +{yymsp[1].minor.yy58 = 0;} break; - case 312: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ -{yymsp[-1].minor.yy118 = yymsp[0].minor.yy118;} + case 314: /* frame_exclude_opt ::= EXCLUDE frame_exclude */ +{yymsp[-1].minor.yy58 = yymsp[0].minor.yy58;} break; - case 313: /* frame_exclude ::= NO OTHERS */ - case 314: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==314); -{yymsp[-1].minor.yy118 = yymsp[-1].major; /*A-overwrites-X*/} + case 315: /* frame_exclude ::= NO OTHERS */ + case 316: /* frame_exclude ::= CURRENT ROW */ yytestcase(yyruleno==316); +{yymsp[-1].minor.yy58 = yymsp[-1].major; /*A-overwrites-X*/} break; - case 315: /* frame_exclude ::= GROUP|TIES */ -{yymsp[0].minor.yy118 = yymsp[0].major; /*A-overwrites-X*/} + case 317: /* frame_exclude ::= GROUP|TIES */ +{yymsp[0].minor.yy58 = yymsp[0].major; /*A-overwrites-X*/} break; - case 316: /* window_clause ::= WINDOW windowdefn_list */ -{ yymsp[-1].minor.yy455 = yymsp[0].minor.yy455; } + case 318: /* window_clause ::= WINDOW windowdefn_list */ +{ yymsp[-1].minor.yy303 = yymsp[0].minor.yy303; } break; - case 317: /* filter_over ::= filter_clause over_clause */ + case 319: /* filter_over ::= filter_clause over_clause */ { - yymsp[0].minor.yy455->pFilter = yymsp[-1].minor.yy46; - yylhsminor.yy455 = yymsp[0].minor.yy455; + yymsp[0].minor.yy303->pFilter = yymsp[-1].minor.yy202; + yylhsminor.yy303 = yymsp[0].minor.yy303; } - yymsp[-1].minor.yy455 = yylhsminor.yy455; + yymsp[-1].minor.yy303 = yylhsminor.yy303; break; - case 319: /* filter_over ::= filter_clause */ + case 321: /* filter_over ::= filter_clause */ { - yylhsminor.yy455 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); - if( yylhsminor.yy455 ){ - yylhsminor.yy455->eFrmType = TK_FILTER; - yylhsminor.yy455->pFilter = yymsp[0].minor.yy46; + yylhsminor.yy303 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); + if( yylhsminor.yy303 ){ + yylhsminor.yy303->eFrmType = TK_FILTER; + yylhsminor.yy303->pFilter = yymsp[0].minor.yy202; }else{ - sqlite3ExprDelete(pParse->db, yymsp[0].minor.yy46); + sqlite3ExprDelete(pParse->db, yymsp[0].minor.yy202); } } - yymsp[0].minor.yy455 = yylhsminor.yy455; + yymsp[0].minor.yy303 = yylhsminor.yy303; break; - case 320: /* over_clause ::= OVER LP window RP */ + case 322: /* over_clause ::= OVER LP window RP */ { - yymsp[-3].minor.yy455 = yymsp[-1].minor.yy455; - assert( yymsp[-3].minor.yy455!=0 ); + yymsp[-3].minor.yy303 = yymsp[-1].minor.yy303; + assert( yymsp[-3].minor.yy303!=0 ); } break; - case 321: /* over_clause ::= OVER nm */ + case 323: /* over_clause ::= OVER nm */ { - yymsp[-1].minor.yy455 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); - if( yymsp[-1].minor.yy455 ){ - yymsp[-1].minor.yy455->zName = sqlite3DbStrNDup(pParse->db, yymsp[0].minor.yy0.z, yymsp[0].minor.yy0.n); + yymsp[-1].minor.yy303 = (Window*)sqlite3DbMallocZero(pParse->db, sizeof(Window)); + if( yymsp[-1].minor.yy303 ){ + yymsp[-1].minor.yy303->zName = sqlite3DbStrNDup(pParse->db, yymsp[0].minor.yy0.z, yymsp[0].minor.yy0.n); } } break; - case 322: /* filter_clause ::= FILTER LP WHERE expr RP */ -{ yymsp[-4].minor.yy46 = yymsp[-1].minor.yy46; } + case 324: /* filter_clause ::= FILTER LP WHERE expr RP */ +{ yymsp[-4].minor.yy202 = yymsp[-1].minor.yy202; } break; default: - /* (323) input ::= cmdlist */ yytestcase(yyruleno==323); - /* (324) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==324); - /* (325) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=325); - /* (326) ecmd ::= SEMI */ yytestcase(yyruleno==326); - /* (327) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==327); - /* (328) ecmd ::= explain cmdx */ yytestcase(yyruleno==328); - /* (329) trans_opt ::= */ yytestcase(yyruleno==329); - /* (330) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==330); - /* (331) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==331); - /* (332) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==332); - /* (333) savepoint_opt ::= */ yytestcase(yyruleno==333); - /* (334) cmd ::= create_table create_table_args */ yytestcase(yyruleno==334); - /* (335) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==335); - /* (336) columnlist ::= columnname carglist */ yytestcase(yyruleno==336); - /* (337) nm ::= ID|INDEXED */ yytestcase(yyruleno==337); - /* (338) nm ::= STRING */ yytestcase(yyruleno==338); - /* (339) nm ::= JOIN_KW */ yytestcase(yyruleno==339); - /* (340) typetoken ::= typename */ yytestcase(yyruleno==340); - /* (341) typename ::= ID|STRING */ yytestcase(yyruleno==341); - /* (342) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=342); - /* (343) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=343); - /* (344) carglist ::= carglist ccons */ yytestcase(yyruleno==344); - /* (345) carglist ::= */ yytestcase(yyruleno==345); - /* (346) ccons ::= NULL onconf */ yytestcase(yyruleno==346); - /* (347) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==347); - /* (348) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==348); - /* (349) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=349); - /* (350) tconscomma ::= */ yytestcase(yyruleno==350); - /* (351) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=351); - /* (352) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=352); - /* (353) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=353); - /* (354) oneselect ::= values */ yytestcase(yyruleno==354); - /* (355) sclp ::= selcollist COMMA */ yytestcase(yyruleno==355); - /* (356) as ::= ID|STRING */ yytestcase(yyruleno==356); - /* (357) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=357); - /* (358) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==358); - /* (359) exprlist ::= nexprlist */ yytestcase(yyruleno==359); - /* (360) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=360); - /* (361) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=361); - /* (362) nmnum ::= ON */ yytestcase(yyruleno==362); - /* (363) nmnum ::= DELETE */ yytestcase(yyruleno==363); - /* (364) nmnum ::= DEFAULT */ yytestcase(yyruleno==364); - /* (365) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==365); - /* (366) foreach_clause ::= */ yytestcase(yyruleno==366); - /* (367) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==367); - /* (368) trnm ::= nm */ yytestcase(yyruleno==368); - /* (369) tridxby ::= */ yytestcase(yyruleno==369); - /* (370) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==370); - /* (371) database_kw_opt ::= */ yytestcase(yyruleno==371); - /* (372) kwcolumn_opt ::= */ yytestcase(yyruleno==372); - /* (373) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==373); - /* (374) vtabarglist ::= vtabarg */ yytestcase(yyruleno==374); - /* (375) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==375); - /* (376) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==376); - /* (377) anylist ::= */ yytestcase(yyruleno==377); - /* (378) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==378); - /* (379) anylist ::= anylist ANY */ yytestcase(yyruleno==379); - /* (380) with ::= */ yytestcase(yyruleno==380); + /* (325) input ::= cmdlist */ yytestcase(yyruleno==325); + /* (326) cmdlist ::= cmdlist ecmd */ yytestcase(yyruleno==326); + /* (327) cmdlist ::= ecmd (OPTIMIZED OUT) */ assert(yyruleno!=327); + /* (328) ecmd ::= SEMI */ yytestcase(yyruleno==328); + /* (329) ecmd ::= cmdx SEMI */ yytestcase(yyruleno==329); + /* (330) ecmd ::= explain cmdx SEMI (NEVER REDUCES) */ assert(yyruleno!=330); + /* (331) trans_opt ::= */ yytestcase(yyruleno==331); + /* (332) trans_opt ::= TRANSACTION */ yytestcase(yyruleno==332); + /* (333) trans_opt ::= TRANSACTION nm */ yytestcase(yyruleno==333); + /* (334) savepoint_opt ::= SAVEPOINT */ yytestcase(yyruleno==334); + /* (335) savepoint_opt ::= */ yytestcase(yyruleno==335); + /* (336) cmd ::= create_table create_table_args */ yytestcase(yyruleno==336); + /* (337) columnlist ::= columnlist COMMA columnname carglist */ yytestcase(yyruleno==337); + /* (338) columnlist ::= columnname carglist */ yytestcase(yyruleno==338); + /* (339) nm ::= ID|INDEXED */ yytestcase(yyruleno==339); + /* (340) nm ::= STRING */ yytestcase(yyruleno==340); + /* (341) nm ::= JOIN_KW */ yytestcase(yyruleno==341); + /* (342) typetoken ::= typename */ yytestcase(yyruleno==342); + /* (343) typename ::= ID|STRING */ yytestcase(yyruleno==343); + /* (344) signed ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=344); + /* (345) signed ::= minus_num (OPTIMIZED OUT) */ assert(yyruleno!=345); + /* (346) carglist ::= carglist ccons */ yytestcase(yyruleno==346); + /* (347) carglist ::= */ yytestcase(yyruleno==347); + /* (348) ccons ::= NULL onconf */ yytestcase(yyruleno==348); + /* (349) ccons ::= GENERATED ALWAYS AS generated */ yytestcase(yyruleno==349); + /* (350) ccons ::= AS generated */ yytestcase(yyruleno==350); + /* (351) conslist_opt ::= COMMA conslist */ yytestcase(yyruleno==351); + /* (352) conslist ::= conslist tconscomma tcons */ yytestcase(yyruleno==352); + /* (353) conslist ::= tcons (OPTIMIZED OUT) */ assert(yyruleno!=353); + /* (354) tconscomma ::= */ yytestcase(yyruleno==354); + /* (355) defer_subclause_opt ::= defer_subclause (OPTIMIZED OUT) */ assert(yyruleno!=355); + /* (356) resolvetype ::= raisetype (OPTIMIZED OUT) */ assert(yyruleno!=356); + /* (357) selectnowith ::= oneselect (OPTIMIZED OUT) */ assert(yyruleno!=357); + /* (358) oneselect ::= values */ yytestcase(yyruleno==358); + /* (359) sclp ::= selcollist COMMA */ yytestcase(yyruleno==359); + /* (360) as ::= ID|STRING */ yytestcase(yyruleno==360); + /* (361) expr ::= term (OPTIMIZED OUT) */ assert(yyruleno!=361); + /* (362) likeop ::= LIKE_KW|MATCH */ yytestcase(yyruleno==362); + /* (363) exprlist ::= nexprlist */ yytestcase(yyruleno==363); + /* (364) nmnum ::= plus_num (OPTIMIZED OUT) */ assert(yyruleno!=364); + /* (365) nmnum ::= nm (OPTIMIZED OUT) */ assert(yyruleno!=365); + /* (366) nmnum ::= ON */ yytestcase(yyruleno==366); + /* (367) nmnum ::= DELETE */ yytestcase(yyruleno==367); + /* (368) nmnum ::= DEFAULT */ yytestcase(yyruleno==368); + /* (369) plus_num ::= INTEGER|FLOAT */ yytestcase(yyruleno==369); + /* (370) foreach_clause ::= */ yytestcase(yyruleno==370); + /* (371) foreach_clause ::= FOR EACH ROW */ yytestcase(yyruleno==371); + /* (372) trnm ::= nm */ yytestcase(yyruleno==372); + /* (373) tridxby ::= */ yytestcase(yyruleno==373); + /* (374) database_kw_opt ::= DATABASE */ yytestcase(yyruleno==374); + /* (375) database_kw_opt ::= */ yytestcase(yyruleno==375); + /* (376) kwcolumn_opt ::= */ yytestcase(yyruleno==376); + /* (377) kwcolumn_opt ::= COLUMNKW */ yytestcase(yyruleno==377); + /* (378) vtabarglist ::= vtabarg */ yytestcase(yyruleno==378); + /* (379) vtabarglist ::= vtabarglist COMMA vtabarg */ yytestcase(yyruleno==379); + /* (380) vtabarg ::= vtabarg vtabargtoken */ yytestcase(yyruleno==380); + /* (381) anylist ::= */ yytestcase(yyruleno==381); + /* (382) anylist ::= anylist LP anylist RP */ yytestcase(yyruleno==382); + /* (383) anylist ::= anylist ANY */ yytestcase(yyruleno==383); + /* (384) with ::= */ yytestcase(yyruleno==384); break; /********** End reduce actions ************************************************/ }; @@ -154519,7 +159140,7 @@ SQLITE_PRIVATE void sqlite3Parser( #ifdef YYERRORSYMBOL /* A syntax error has occurred. ** The response to an error depends upon whether or not the - ** grammar defines an error token "ERROR". + ** grammar defines an error token "ERROR". ** ** This is what we do if the grammar does define ERROR: ** @@ -154633,8 +159254,8 @@ SQLITE_PRIVATE int sqlite3ParserFallback(int iToken){ return yyFallback[iToken]; #else (void)iToken; -#endif return 0; +#endif } /************** End of parse.c ***********************************************/ @@ -154743,7 +159364,7 @@ static const unsigned char aiClass[] = { ** lower-case ASCII equivalent. On ASCII machines, this is just ** an upper-to-lower case map. On EBCDIC machines we also need ** to adjust the encoding. The mapping is only valid for alphabetics -** which are the only characters for which this feature is used. +** which are the only characters for which this feature is used. ** ** Used by keywordhash.h */ @@ -154775,7 +159396,7 @@ const unsigned char ebcdicToAscii[] = { /* ** The sqlite3KeywordCode function looks up an identifier to determine if -** it is a keyword. If it is a keyword, the token code of that keyword is +** it is a keyword. If it is a keyword, the token code of that keyword is ** returned. If the input is not a keyword, TK_ID is returned. ** ** The implementation of this routine was generated by a program, @@ -154799,20 +159420,20 @@ const unsigned char ebcdicToAscii[] = { ** is substantially reduced. This is important for embedded applications ** on platforms with limited memory. */ -/* Hash score: 221 */ -/* zKWText[] encodes 967 bytes of keyword text in 638 bytes */ +/* Hash score: 227 */ +/* zKWText[] encodes 984 bytes of keyword text in 648 bytes */ /* REINDEXEDESCAPEACHECKEYBEFOREIGNOREGEXPLAINSTEADDATABASELECT */ /* ABLEFTHENDEFERRABLELSEXCLUDELETEMPORARYISNULLSAVEPOINTERSECT */ /* IESNOTNULLIKEXCEPTRANSACTIONATURALTERAISEXCLUSIVEXISTS */ -/* CONSTRAINTOFFSETRIGGEREFERENCESUNIQUERYWITHOUTERELEASEATTACH */ -/* AVINGLOBEGINNERANGEBETWEENOTHINGROUPSCASCADETACHCASECOLLATE */ -/* CREATECURRENT_DATEIMMEDIATEJOINSERTMATCHPLANALYZEPRAGMABORT */ -/* UPDATEVALUESVIRTUALASTWHENWHERECURSIVEAFTERENAMEANDEFAULT */ -/* AUTOINCREMENTCASTCOLUMNCOMMITCONFLICTCROSSCURRENT_TIMESTAMP */ -/* ARTITIONDEFERREDISTINCTDROPRECEDINGFAILIMITFILTEREPLACEFIRST */ -/* FOLLOWINGFROMFULLIFORDERESTRICTOTHERSOVERIGHTROLLBACKROWS */ +/* CONSTRAINTOFFSETRIGGERANGENERATEDETACHAVINGLOBEGINNEREFERENCES */ +/* UNIQUERYWITHOUTERELEASEATTACHBETWEENOTHINGROUPSCASCADEFAULT */ +/* CASECOLLATECREATECURRENT_DATEIMMEDIATEJOINSERTMATCHPLANALYZE */ +/* PRAGMABORTUPDATEVALUESVIRTUALWAYSWHENWHERECURSIVEAFTERENAMEAND */ +/* EFERREDISTINCTAUTOINCREMENTCASTCOLUMNCOMMITCONFLICTCROSS */ +/* CURRENT_TIMESTAMPARTITIONDROPRECEDINGFAILASTFILTEREPLACEFIRST */ +/* FOLLOWINGFROMFULLIMITIFORDERESTRICTOTHERSOVERIGHTROLLBACKROWS */ /* UNBOUNDEDUNIONUSINGVACUUMVIEWINDOWBYINITIALLYPRIMARY */ -static const char zKWText[637] = { +static const char zKWText[647] = { 'R','E','I','N','D','E','X','E','D','E','S','C','A','P','E','A','C','H', 'E','C','K','E','Y','B','E','F','O','R','E','I','G','N','O','R','E','G', 'E','X','P','L','A','I','N','S','T','E','A','D','D','A','T','A','B','A', @@ -154823,123 +159444,255 @@ static const char zKWText[637] = { 'N','U','L','L','I','K','E','X','C','E','P','T','R','A','N','S','A','C', 'T','I','O','N','A','T','U','R','A','L','T','E','R','A','I','S','E','X', 'C','L','U','S','I','V','E','X','I','S','T','S','C','O','N','S','T','R', - 'A','I','N','T','O','F','F','S','E','T','R','I','G','G','E','R','E','F', - 'E','R','E','N','C','E','S','U','N','I','Q','U','E','R','Y','W','I','T', - 'H','O','U','T','E','R','E','L','E','A','S','E','A','T','T','A','C','H', - 'A','V','I','N','G','L','O','B','E','G','I','N','N','E','R','A','N','G', - 'E','B','E','T','W','E','E','N','O','T','H','I','N','G','R','O','U','P', - 'S','C','A','S','C','A','D','E','T','A','C','H','C','A','S','E','C','O', - 'L','L','A','T','E','C','R','E','A','T','E','C','U','R','R','E','N','T', - '_','D','A','T','E','I','M','M','E','D','I','A','T','E','J','O','I','N', - 'S','E','R','T','M','A','T','C','H','P','L','A','N','A','L','Y','Z','E', - 'P','R','A','G','M','A','B','O','R','T','U','P','D','A','T','E','V','A', - 'L','U','E','S','V','I','R','T','U','A','L','A','S','T','W','H','E','N', - 'W','H','E','R','E','C','U','R','S','I','V','E','A','F','T','E','R','E', - 'N','A','M','E','A','N','D','E','F','A','U','L','T','A','U','T','O','I', - 'N','C','R','E','M','E','N','T','C','A','S','T','C','O','L','U','M','N', - 'C','O','M','M','I','T','C','O','N','F','L','I','C','T','C','R','O','S', - 'S','C','U','R','R','E','N','T','_','T','I','M','E','S','T','A','M','P', - 'A','R','T','I','T','I','O','N','D','E','F','E','R','R','E','D','I','S', - 'T','I','N','C','T','D','R','O','P','R','E','C','E','D','I','N','G','F', - 'A','I','L','I','M','I','T','F','I','L','T','E','R','E','P','L','A','C', - 'E','F','I','R','S','T','F','O','L','L','O','W','I','N','G','F','R','O', - 'M','F','U','L','L','I','F','O','R','D','E','R','E','S','T','R','I','C', - 'T','O','T','H','E','R','S','O','V','E','R','I','G','H','T','R','O','L', - 'L','B','A','C','K','R','O','W','S','U','N','B','O','U','N','D','E','D', - 'U','N','I','O','N','U','S','I','N','G','V','A','C','U','U','M','V','I', - 'E','W','I','N','D','O','W','B','Y','I','N','I','T','I','A','L','L','Y', - 'P','R','I','M','A','R','Y', + 'A','I','N','T','O','F','F','S','E','T','R','I','G','G','E','R','A','N', + 'G','E','N','E','R','A','T','E','D','E','T','A','C','H','A','V','I','N', + 'G','L','O','B','E','G','I','N','N','E','R','E','F','E','R','E','N','C', + 'E','S','U','N','I','Q','U','E','R','Y','W','I','T','H','O','U','T','E', + 'R','E','L','E','A','S','E','A','T','T','A','C','H','B','E','T','W','E', + 'E','N','O','T','H','I','N','G','R','O','U','P','S','C','A','S','C','A', + 'D','E','F','A','U','L','T','C','A','S','E','C','O','L','L','A','T','E', + 'C','R','E','A','T','E','C','U','R','R','E','N','T','_','D','A','T','E', + 'I','M','M','E','D','I','A','T','E','J','O','I','N','S','E','R','T','M', + 'A','T','C','H','P','L','A','N','A','L','Y','Z','E','P','R','A','G','M', + 'A','B','O','R','T','U','P','D','A','T','E','V','A','L','U','E','S','V', + 'I','R','T','U','A','L','W','A','Y','S','W','H','E','N','W','H','E','R', + 'E','C','U','R','S','I','V','E','A','F','T','E','R','E','N','A','M','E', + 'A','N','D','E','F','E','R','R','E','D','I','S','T','I','N','C','T','A', + 'U','T','O','I','N','C','R','E','M','E','N','T','C','A','S','T','C','O', + 'L','U','M','N','C','O','M','M','I','T','C','O','N','F','L','I','C','T', + 'C','R','O','S','S','C','U','R','R','E','N','T','_','T','I','M','E','S', + 'T','A','M','P','A','R','T','I','T','I','O','N','D','R','O','P','R','E', + 'C','E','D','I','N','G','F','A','I','L','A','S','T','F','I','L','T','E', + 'R','E','P','L','A','C','E','F','I','R','S','T','F','O','L','L','O','W', + 'I','N','G','F','R','O','M','F','U','L','L','I','M','I','T','I','F','O', + 'R','D','E','R','E','S','T','R','I','C','T','O','T','H','E','R','S','O', + 'V','E','R','I','G','H','T','R','O','L','L','B','A','C','K','R','O','W', + 'S','U','N','B','O','U','N','D','E','D','U','N','I','O','N','U','S','I', + 'N','G','V','A','C','U','U','M','V','I','E','W','I','N','D','O','W','B', + 'Y','I','N','I','T','I','A','L','L','Y','P','R','I','M','A','R','Y', }; /* aKWHash[i] is the hash value for the i-th keyword */ static const unsigned char aKWHash[127] = { - 82, 113, 130, 80, 110, 29, 0, 0, 89, 0, 83, 70, 0, - 53, 35, 84, 15, 0, 129, 92, 64, 124, 131, 19, 0, 0, - 136, 0, 134, 126, 0, 22, 100, 0, 9, 0, 0, 121, 78, - 0, 76, 6, 0, 58, 97, 143, 0, 132, 108, 0, 0, 48, - 0, 111, 24, 0, 17, 0, 137, 63, 23, 26, 5, 65, 138, - 103, 120, 0, 142, 114, 69, 141, 66, 118, 72, 0, 98, 0, - 107, 41, 0, 106, 0, 0, 0, 102, 99, 104, 109, 123, 14, - 50, 122, 0, 87, 0, 139, 119, 140, 68, 127, 135, 86, 81, - 37, 91, 117, 0, 0, 101, 51, 128, 125, 0, 133, 0, 0, - 44, 0, 93, 67, 39, 0, 20, 45, 115, 88, + 84, 102, 132, 82, 114, 29, 0, 0, 91, 0, 85, 72, 0, + 53, 35, 86, 15, 0, 42, 94, 54, 126, 133, 19, 0, 0, + 138, 0, 40, 128, 0, 22, 104, 0, 9, 0, 0, 122, 80, + 0, 78, 6, 0, 65, 99, 145, 0, 134, 112, 0, 0, 48, + 0, 100, 24, 0, 17, 0, 27, 70, 23, 26, 5, 60, 140, + 107, 121, 0, 73, 101, 71, 143, 61, 119, 74, 0, 49, 0, + 11, 41, 0, 110, 0, 0, 0, 106, 10, 108, 113, 124, 14, + 50, 123, 0, 89, 0, 18, 120, 142, 56, 129, 137, 88, 83, + 37, 30, 125, 0, 0, 105, 51, 130, 127, 0, 34, 0, 0, + 44, 0, 95, 38, 39, 0, 20, 45, 116, 90, }; /* aKWNext[] forms the hash collision chain. If aKWHash[i]==0 ** then the i-th keyword has no more hash collisions. Otherwise, ** the next keyword with the same hash is aKWHash[i]-1. */ -static const unsigned char aKWNext[143] = { - 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 2, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, - 0, 0, 0, 21, 0, 0, 0, 0, 12, 0, 0, 0, 0, - 0, 0, 0, 7, 0, 36, 0, 0, 28, 0, 0, 0, 31, - 0, 0, 0, 40, 0, 0, 0, 0, 0, 60, 0, 54, 0, - 0, 38, 47, 0, 0, 0, 3, 0, 0, 74, 1, 73, 0, - 0, 0, 52, 0, 0, 0, 0, 0, 0, 57, 59, 56, 30, - 0, 0, 0, 46, 0, 16, 49, 10, 0, 0, 0, 0, 0, - 0, 0, 11, 79, 95, 0, 0, 8, 0, 112, 0, 105, 0, - 43, 62, 0, 77, 0, 116, 0, 61, 0, 0, 94, 42, 55, - 0, 75, 34, 90, 32, 33, 27, 25, 18, 96, 0, 71, 85, +static const unsigned char aKWNext[145] = { + 0, 0, 0, 0, 4, 0, 43, 0, 0, 103, 111, 0, 0, + 0, 2, 0, 0, 141, 0, 0, 0, 13, 0, 0, 0, 0, + 139, 0, 0, 118, 52, 0, 0, 135, 12, 0, 0, 62, 0, + 136, 0, 131, 0, 0, 36, 0, 0, 28, 77, 0, 0, 0, + 0, 59, 0, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 69, 0, 0, 0, 0, 0, 144, 3, 0, 58, 0, 1, + 75, 0, 0, 0, 31, 0, 0, 0, 0, 0, 0, 64, 66, + 63, 0, 0, 0, 0, 46, 0, 16, 0, 115, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 81, 97, 0, 8, 0, 109, + 21, 7, 67, 0, 79, 93, 117, 0, 0, 68, 0, 0, 96, + 0, 55, 0, 76, 0, 92, 32, 33, 57, 25, 0, 98, 0, + 0, 87, }; /* aKWLen[i] is the length (in bytes) of the i-th keyword */ -static const unsigned char aKWLen[143] = { +static const unsigned char aKWLen[145] = { 7, 7, 5, 4, 6, 4, 5, 3, 6, 7, 3, 6, 6, 7, 7, 3, 8, 2, 6, 5, 4, 4, 3, 10, 4, 7, 6, 9, 4, 2, 6, 5, 9, 9, 4, 7, 3, 2, 4, 4, 6, 11, 6, 2, 7, 5, 5, 9, 6, 10, 4, 6, - 2, 3, 7, 10, 6, 5, 7, 4, 5, 7, 6, 6, 4, - 5, 5, 5, 7, 7, 6, 5, 7, 3, 6, 4, 7, 6, - 12, 9, 4, 6, 5, 4, 7, 6, 5, 6, 6, 7, 4, - 4, 5, 9, 5, 6, 3, 7, 13, 2, 2, 4, 6, 6, - 8, 5, 17, 12, 7, 9, 8, 8, 2, 4, 9, 4, 5, - 6, 7, 5, 9, 4, 4, 2, 5, 8, 6, 4, 5, 8, - 4, 3, 9, 5, 5, 6, 4, 6, 2, 2, 9, 3, 7, + 2, 3, 7, 5, 9, 6, 6, 4, 5, 5, 10, 6, 5, + 7, 4, 5, 7, 6, 7, 7, 6, 5, 7, 3, 7, 4, + 7, 6, 12, 9, 4, 6, 5, 4, 7, 6, 5, 6, 6, + 7, 6, 4, 5, 9, 5, 6, 3, 8, 8, 2, 13, 2, + 2, 4, 6, 6, 8, 5, 17, 12, 7, 9, 4, 9, 4, + 4, 6, 7, 5, 9, 4, 4, 5, 2, 5, 8, 6, 4, + 5, 8, 4, 3, 9, 5, 5, 6, 4, 6, 2, 2, 9, + 3, 7, }; /* aKWOffset[i] is the index into zKWText[] of the start of ** the text for the i-th keyword. */ -static const unsigned short int aKWOffset[143] = { +static const unsigned short int aKWOffset[145] = { 0, 2, 2, 8, 9, 14, 16, 20, 23, 25, 25, 29, 33, 36, 41, 46, 48, 53, 54, 59, 62, 65, 67, 69, 78, 81, 86, 90, 90, 94, 99, 101, 105, 111, 119, 123, 123, 123, 126, 129, 132, 137, 142, 146, 147, 152, 156, 160, 168, 174, 181, 184, - 184, 187, 189, 195, 205, 208, 213, 213, 217, 221, 228, 233, 238, - 241, 244, 248, 253, 259, 265, 265, 271, 272, 276, 282, 286, 293, - 299, 311, 320, 322, 328, 333, 335, 342, 347, 352, 358, 364, 370, - 374, 378, 381, 390, 394, 400, 402, 409, 411, 413, 422, 426, 432, - 438, 446, 451, 451, 451, 467, 476, 483, 484, 491, 494, 503, 506, - 511, 516, 523, 528, 537, 541, 545, 547, 551, 559, 565, 568, 573, - 581, 581, 585, 594, 599, 604, 610, 613, 616, 619, 621, 626, 630, + 184, 187, 189, 195, 198, 206, 211, 216, 219, 222, 226, 236, 239, + 244, 244, 248, 252, 259, 265, 271, 277, 277, 283, 284, 288, 295, + 299, 306, 312, 324, 333, 335, 341, 346, 348, 355, 360, 365, 371, + 377, 382, 388, 392, 395, 404, 408, 414, 416, 423, 424, 431, 433, + 435, 444, 448, 454, 460, 468, 473, 473, 473, 489, 498, 501, 510, + 513, 517, 522, 529, 534, 543, 547, 550, 555, 557, 561, 569, 575, + 578, 583, 591, 591, 595, 604, 609, 614, 620, 623, 626, 629, 631, + 636, 640, }; /* aKWCode[i] is the parser symbol code for the i-th keyword */ -static const unsigned char aKWCode[143] = { - TK_REINDEX, TK_INDEXED, TK_INDEX, TK_DESC, TK_ESCAPE, - TK_EACH, TK_CHECK, TK_KEY, TK_BEFORE, TK_FOREIGN, - TK_FOR, TK_IGNORE, TK_LIKE_KW, TK_EXPLAIN, TK_INSTEAD, - TK_ADD, TK_DATABASE, TK_AS, TK_SELECT, TK_TABLE, - TK_JOIN_KW, TK_THEN, TK_END, TK_DEFERRABLE, TK_ELSE, - TK_EXCLUDE, TK_DELETE, TK_TEMP, TK_TEMP, TK_OR, - TK_ISNULL, TK_NULLS, TK_SAVEPOINT, TK_INTERSECT, TK_TIES, - TK_NOTNULL, TK_NOT, TK_NO, TK_NULL, TK_LIKE_KW, - TK_EXCEPT, TK_TRANSACTION,TK_ACTION, TK_ON, TK_JOIN_KW, - TK_ALTER, TK_RAISE, TK_EXCLUSIVE, TK_EXISTS, TK_CONSTRAINT, - TK_INTO, TK_OFFSET, TK_OF, TK_SET, TK_TRIGGER, - TK_REFERENCES, TK_UNIQUE, TK_QUERY, TK_WITHOUT, TK_WITH, - TK_JOIN_KW, TK_RELEASE, TK_ATTACH, TK_HAVING, TK_LIKE_KW, - TK_BEGIN, TK_JOIN_KW, TK_RANGE, TK_BETWEEN, TK_NOTHING, - TK_GROUPS, TK_GROUP, TK_CASCADE, TK_ASC, TK_DETACH, - TK_CASE, TK_COLLATE, TK_CREATE, TK_CTIME_KW, TK_IMMEDIATE, - TK_JOIN, TK_INSERT, TK_MATCH, TK_PLAN, TK_ANALYZE, - TK_PRAGMA, TK_ABORT, TK_UPDATE, TK_VALUES, TK_VIRTUAL, - TK_LAST, TK_WHEN, TK_WHERE, TK_RECURSIVE, TK_AFTER, - TK_RENAME, TK_AND, TK_DEFAULT, TK_AUTOINCR, TK_TO, - TK_IN, TK_CAST, TK_COLUMNKW, TK_COMMIT, TK_CONFLICT, - TK_JOIN_KW, TK_CTIME_KW, TK_CTIME_KW, TK_CURRENT, TK_PARTITION, - TK_DEFERRED, TK_DISTINCT, TK_IS, TK_DROP, TK_PRECEDING, - TK_FAIL, TK_LIMIT, TK_FILTER, TK_REPLACE, TK_FIRST, - TK_FOLLOWING, TK_FROM, TK_JOIN_KW, TK_IF, TK_ORDER, - TK_RESTRICT, TK_OTHERS, TK_OVER, TK_JOIN_KW, TK_ROLLBACK, - TK_ROWS, TK_ROW, TK_UNBOUNDED, TK_UNION, TK_USING, - TK_VACUUM, TK_VIEW, TK_WINDOW, TK_DO, TK_BY, - TK_INITIALLY, TK_ALL, TK_PRIMARY, +static const unsigned char aKWCode[145] = { + TK_REINDEX, TK_INDEXED, TK_INDEX, TK_DESC, TK_ESCAPE, + TK_EACH, TK_CHECK, TK_KEY, TK_BEFORE, TK_FOREIGN, + TK_FOR, TK_IGNORE, TK_LIKE_KW, TK_EXPLAIN, TK_INSTEAD, + TK_ADD, TK_DATABASE, TK_AS, TK_SELECT, TK_TABLE, + TK_JOIN_KW, TK_THEN, TK_END, TK_DEFERRABLE, TK_ELSE, + TK_EXCLUDE, TK_DELETE, TK_TEMP, TK_TEMP, TK_OR, + TK_ISNULL, TK_NULLS, TK_SAVEPOINT, TK_INTERSECT, TK_TIES, + TK_NOTNULL, TK_NOT, TK_NO, TK_NULL, TK_LIKE_KW, + TK_EXCEPT, TK_TRANSACTION,TK_ACTION, TK_ON, TK_JOIN_KW, + TK_ALTER, TK_RAISE, TK_EXCLUSIVE, TK_EXISTS, TK_CONSTRAINT, + TK_INTO, TK_OFFSET, TK_OF, TK_SET, TK_TRIGGER, + TK_RANGE, TK_GENERATED, TK_DETACH, TK_HAVING, TK_LIKE_KW, + TK_BEGIN, TK_JOIN_KW, TK_REFERENCES, TK_UNIQUE, TK_QUERY, + TK_WITHOUT, TK_WITH, TK_JOIN_KW, TK_RELEASE, TK_ATTACH, + TK_BETWEEN, TK_NOTHING, TK_GROUPS, TK_GROUP, TK_CASCADE, + TK_ASC, TK_DEFAULT, TK_CASE, TK_COLLATE, TK_CREATE, + TK_CTIME_KW, TK_IMMEDIATE, TK_JOIN, TK_INSERT, TK_MATCH, + TK_PLAN, TK_ANALYZE, TK_PRAGMA, TK_ABORT, TK_UPDATE, + TK_VALUES, TK_VIRTUAL, TK_ALWAYS, TK_WHEN, TK_WHERE, + TK_RECURSIVE, TK_AFTER, TK_RENAME, TK_AND, TK_DEFERRED, + TK_DISTINCT, TK_IS, TK_AUTOINCR, TK_TO, TK_IN, + TK_CAST, TK_COLUMNKW, TK_COMMIT, TK_CONFLICT, TK_JOIN_KW, + TK_CTIME_KW, TK_CTIME_KW, TK_CURRENT, TK_PARTITION, TK_DROP, + TK_PRECEDING, TK_FAIL, TK_LAST, TK_FILTER, TK_REPLACE, + TK_FIRST, TK_FOLLOWING, TK_FROM, TK_JOIN_KW, TK_LIMIT, + TK_IF, TK_ORDER, TK_RESTRICT, TK_OTHERS, TK_OVER, + TK_JOIN_KW, TK_ROLLBACK, TK_ROWS, TK_ROW, TK_UNBOUNDED, + TK_UNION, TK_USING, TK_VACUUM, TK_VIEW, TK_WINDOW, + TK_DO, TK_BY, TK_INITIALLY, TK_ALL, TK_PRIMARY, }; +/* Hash table decoded: +** 0: INSERT +** 1: IS +** 2: ROLLBACK TRIGGER +** 3: IMMEDIATE +** 4: PARTITION +** 5: TEMP +** 6: +** 7: +** 8: VALUES WITHOUT +** 9: +** 10: MATCH +** 11: NOTHING +** 12: +** 13: OF +** 14: TIES IGNORE +** 15: PLAN +** 16: INSTEAD INDEXED +** 17: +** 18: TRANSACTION RIGHT +** 19: WHEN +** 20: SET HAVING +** 21: IF +** 22: ROWS +** 23: SELECT +** 24: +** 25: +** 26: VACUUM SAVEPOINT +** 27: +** 28: LIKE UNION VIRTUAL REFERENCES +** 29: RESTRICT +** 30: +** 31: THEN REGEXP +** 32: TO +** 33: +** 34: BEFORE +** 35: +** 36: +** 37: FOLLOWING COLLATE CASCADE +** 38: CREATE +** 39: +** 40: CASE REINDEX +** 41: EACH +** 42: +** 43: QUERY +** 44: AND ADD +** 45: PRIMARY ANALYZE +** 46: +** 47: ROW ASC DETACH +** 48: CURRENT_TIME CURRENT_DATE +** 49: +** 50: +** 51: EXCLUSIVE TEMPORARY +** 52: +** 53: DEFERRED +** 54: DEFERRABLE +** 55: +** 56: DATABASE +** 57: +** 58: DELETE VIEW GENERATED +** 59: ATTACH +** 60: END +** 61: EXCLUDE +** 62: ESCAPE DESC +** 63: GLOB +** 64: WINDOW ELSE +** 65: COLUMN +** 66: FIRST +** 67: +** 68: GROUPS ALL +** 69: DISTINCT DROP KEY +** 70: BETWEEN +** 71: INITIALLY +** 72: BEGIN +** 73: FILTER CHECK ACTION +** 74: GROUP INDEX +** 75: +** 76: EXISTS DEFAULT +** 77: +** 78: FOR CURRENT_TIMESTAMP +** 79: EXCEPT +** 80: +** 81: CROSS +** 82: +** 83: +** 84: +** 85: CAST +** 86: FOREIGN AUTOINCREMENT +** 87: COMMIT +** 88: CURRENT AFTER ALTER +** 89: FULL FAIL CONFLICT +** 90: EXPLAIN +** 91: CONSTRAINT +** 92: FROM ALWAYS +** 93: +** 94: ABORT +** 95: +** 96: AS DO +** 97: REPLACE WITH RELEASE +** 98: BY RENAME +** 99: RANGE RAISE +** 100: OTHERS +** 101: USING NULLS +** 102: PRAGMA +** 103: JOIN ISNULL OFFSET +** 104: NOT +** 105: OR LAST LEFT +** 106: LIMIT +** 107: +** 108: +** 109: IN +** 110: INTO +** 111: OVER RECURSIVE +** 112: ORDER OUTER +** 113: +** 114: INTERSECT UNBOUNDED +** 115: +** 116: +** 117: ON +** 118: +** 119: WHERE +** 120: NO INNER +** 121: NULL +** 122: +** 123: TABLE +** 124: NATURAL NOTNULL +** 125: PRECEDING +** 126: UPDATE UNIQUE +*/ /* Check to see if z[0..n-1] is a keyword. If it is, write the ** parser symbol code for that keyword into *pType. Always ** return the integer n (the length of the token). */ @@ -154950,12 +159703,17 @@ static int keywordCode(const char *z, int n, int *pType){ i = ((charMap(z[0])*4) ^ (charMap(z[n-1])*3) ^ n) % 127; for(i=((int)aKWHash[i])-1; i>=0; i=((int)aKWNext[i])-1){ if( aKWLen[i]!=n ) continue; - j = 0; zKW = &zKWText[aKWOffset[i]]; #ifdef SQLITE_ASCII + if( (z[0]&~0x20)!=zKW[0] ) continue; + if( (z[1]&~0x20)!=zKW[1] ) continue; + j = 2; while( j<n && (z[j]&~0x20)==zKW[j] ){ j++; } #endif #ifdef SQLITE_EBCDIC + if( toupper(z[0])!=zKW[0] ) continue; + if( toupper(z[1])!=zKW[1] ) continue; + j = 2; while( j<n && toupper(z[j])==zKW[j] ){ j++; } #endif if( j<n ) continue; @@ -155014,94 +159772,96 @@ static int keywordCode(const char *z, int n, int *pType){ testcase( i==52 ); /* OF */ testcase( i==53 ); /* SET */ testcase( i==54 ); /* TRIGGER */ - testcase( i==55 ); /* REFERENCES */ - testcase( i==56 ); /* UNIQUE */ - testcase( i==57 ); /* QUERY */ - testcase( i==58 ); /* WITHOUT */ - testcase( i==59 ); /* WITH */ - testcase( i==60 ); /* OUTER */ - testcase( i==61 ); /* RELEASE */ - testcase( i==62 ); /* ATTACH */ - testcase( i==63 ); /* HAVING */ - testcase( i==64 ); /* GLOB */ - testcase( i==65 ); /* BEGIN */ - testcase( i==66 ); /* INNER */ - testcase( i==67 ); /* RANGE */ - testcase( i==68 ); /* BETWEEN */ - testcase( i==69 ); /* NOTHING */ - testcase( i==70 ); /* GROUPS */ - testcase( i==71 ); /* GROUP */ - testcase( i==72 ); /* CASCADE */ - testcase( i==73 ); /* ASC */ - testcase( i==74 ); /* DETACH */ - testcase( i==75 ); /* CASE */ - testcase( i==76 ); /* COLLATE */ - testcase( i==77 ); /* CREATE */ - testcase( i==78 ); /* CURRENT_DATE */ - testcase( i==79 ); /* IMMEDIATE */ - testcase( i==80 ); /* JOIN */ - testcase( i==81 ); /* INSERT */ - testcase( i==82 ); /* MATCH */ - testcase( i==83 ); /* PLAN */ - testcase( i==84 ); /* ANALYZE */ - testcase( i==85 ); /* PRAGMA */ - testcase( i==86 ); /* ABORT */ - testcase( i==87 ); /* UPDATE */ - testcase( i==88 ); /* VALUES */ - testcase( i==89 ); /* VIRTUAL */ - testcase( i==90 ); /* LAST */ - testcase( i==91 ); /* WHEN */ - testcase( i==92 ); /* WHERE */ - testcase( i==93 ); /* RECURSIVE */ - testcase( i==94 ); /* AFTER */ - testcase( i==95 ); /* RENAME */ - testcase( i==96 ); /* AND */ - testcase( i==97 ); /* DEFAULT */ - testcase( i==98 ); /* AUTOINCREMENT */ - testcase( i==99 ); /* TO */ - testcase( i==100 ); /* IN */ - testcase( i==101 ); /* CAST */ - testcase( i==102 ); /* COLUMN */ - testcase( i==103 ); /* COMMIT */ - testcase( i==104 ); /* CONFLICT */ - testcase( i==105 ); /* CROSS */ - testcase( i==106 ); /* CURRENT_TIMESTAMP */ - testcase( i==107 ); /* CURRENT_TIME */ - testcase( i==108 ); /* CURRENT */ - testcase( i==109 ); /* PARTITION */ - testcase( i==110 ); /* DEFERRED */ - testcase( i==111 ); /* DISTINCT */ - testcase( i==112 ); /* IS */ - testcase( i==113 ); /* DROP */ - testcase( i==114 ); /* PRECEDING */ - testcase( i==115 ); /* FAIL */ - testcase( i==116 ); /* LIMIT */ - testcase( i==117 ); /* FILTER */ - testcase( i==118 ); /* REPLACE */ - testcase( i==119 ); /* FIRST */ - testcase( i==120 ); /* FOLLOWING */ - testcase( i==121 ); /* FROM */ - testcase( i==122 ); /* FULL */ - testcase( i==123 ); /* IF */ - testcase( i==124 ); /* ORDER */ - testcase( i==125 ); /* RESTRICT */ - testcase( i==126 ); /* OTHERS */ - testcase( i==127 ); /* OVER */ - testcase( i==128 ); /* RIGHT */ - testcase( i==129 ); /* ROLLBACK */ - testcase( i==130 ); /* ROWS */ - testcase( i==131 ); /* ROW */ - testcase( i==132 ); /* UNBOUNDED */ - testcase( i==133 ); /* UNION */ - testcase( i==134 ); /* USING */ - testcase( i==135 ); /* VACUUM */ - testcase( i==136 ); /* VIEW */ - testcase( i==137 ); /* WINDOW */ - testcase( i==138 ); /* DO */ - testcase( i==139 ); /* BY */ - testcase( i==140 ); /* INITIALLY */ - testcase( i==141 ); /* ALL */ - testcase( i==142 ); /* PRIMARY */ + testcase( i==55 ); /* RANGE */ + testcase( i==56 ); /* GENERATED */ + testcase( i==57 ); /* DETACH */ + testcase( i==58 ); /* HAVING */ + testcase( i==59 ); /* GLOB */ + testcase( i==60 ); /* BEGIN */ + testcase( i==61 ); /* INNER */ + testcase( i==62 ); /* REFERENCES */ + testcase( i==63 ); /* UNIQUE */ + testcase( i==64 ); /* QUERY */ + testcase( i==65 ); /* WITHOUT */ + testcase( i==66 ); /* WITH */ + testcase( i==67 ); /* OUTER */ + testcase( i==68 ); /* RELEASE */ + testcase( i==69 ); /* ATTACH */ + testcase( i==70 ); /* BETWEEN */ + testcase( i==71 ); /* NOTHING */ + testcase( i==72 ); /* GROUPS */ + testcase( i==73 ); /* GROUP */ + testcase( i==74 ); /* CASCADE */ + testcase( i==75 ); /* ASC */ + testcase( i==76 ); /* DEFAULT */ + testcase( i==77 ); /* CASE */ + testcase( i==78 ); /* COLLATE */ + testcase( i==79 ); /* CREATE */ + testcase( i==80 ); /* CURRENT_DATE */ + testcase( i==81 ); /* IMMEDIATE */ + testcase( i==82 ); /* JOIN */ + testcase( i==83 ); /* INSERT */ + testcase( i==84 ); /* MATCH */ + testcase( i==85 ); /* PLAN */ + testcase( i==86 ); /* ANALYZE */ + testcase( i==87 ); /* PRAGMA */ + testcase( i==88 ); /* ABORT */ + testcase( i==89 ); /* UPDATE */ + testcase( i==90 ); /* VALUES */ + testcase( i==91 ); /* VIRTUAL */ + testcase( i==92 ); /* ALWAYS */ + testcase( i==93 ); /* WHEN */ + testcase( i==94 ); /* WHERE */ + testcase( i==95 ); /* RECURSIVE */ + testcase( i==96 ); /* AFTER */ + testcase( i==97 ); /* RENAME */ + testcase( i==98 ); /* AND */ + testcase( i==99 ); /* DEFERRED */ + testcase( i==100 ); /* DISTINCT */ + testcase( i==101 ); /* IS */ + testcase( i==102 ); /* AUTOINCREMENT */ + testcase( i==103 ); /* TO */ + testcase( i==104 ); /* IN */ + testcase( i==105 ); /* CAST */ + testcase( i==106 ); /* COLUMN */ + testcase( i==107 ); /* COMMIT */ + testcase( i==108 ); /* CONFLICT */ + testcase( i==109 ); /* CROSS */ + testcase( i==110 ); /* CURRENT_TIMESTAMP */ + testcase( i==111 ); /* CURRENT_TIME */ + testcase( i==112 ); /* CURRENT */ + testcase( i==113 ); /* PARTITION */ + testcase( i==114 ); /* DROP */ + testcase( i==115 ); /* PRECEDING */ + testcase( i==116 ); /* FAIL */ + testcase( i==117 ); /* LAST */ + testcase( i==118 ); /* FILTER */ + testcase( i==119 ); /* REPLACE */ + testcase( i==120 ); /* FIRST */ + testcase( i==121 ); /* FOLLOWING */ + testcase( i==122 ); /* FROM */ + testcase( i==123 ); /* FULL */ + testcase( i==124 ); /* LIMIT */ + testcase( i==125 ); /* IF */ + testcase( i==126 ); /* ORDER */ + testcase( i==127 ); /* RESTRICT */ + testcase( i==128 ); /* OTHERS */ + testcase( i==129 ); /* OVER */ + testcase( i==130 ); /* RIGHT */ + testcase( i==131 ); /* ROLLBACK */ + testcase( i==132 ); /* ROWS */ + testcase( i==133 ); /* ROW */ + testcase( i==134 ); /* UNBOUNDED */ + testcase( i==135 ); /* UNION */ + testcase( i==136 ); /* USING */ + testcase( i==137 ); /* VACUUM */ + testcase( i==138 ); /* VIEW */ + testcase( i==139 ); /* WINDOW */ + testcase( i==140 ); /* DO */ + testcase( i==141 ); /* BY */ + testcase( i==142 ); /* INITIALLY */ + testcase( i==143 ); /* ALL */ + testcase( i==144 ); /* PRIMARY */ *pType = aKWCode[i]; break; } @@ -155113,7 +159873,7 @@ SQLITE_PRIVATE int sqlite3KeywordCode(const unsigned char *z, int n){ keywordCode((char*)z, n, &id); return id; } -#define SQLITE_N_KEYWORD 143 +#define SQLITE_N_KEYWORD 145 SQLITE_API int sqlite3_keyword_name(int i,const char **pzName,int *pnName){ if( i<0 || i>=SQLITE_N_KEYWORD ) return SQLITE_ERROR; *pzName = zKWText + aKWOffset[i]; @@ -155134,14 +159894,14 @@ SQLITE_API int sqlite3_keyword_check(const char *zName, int nName){ ** IdChar(X) will be true. Otherwise it is false. ** ** For ASCII, any character with the high-order bit set is -** allowed in an identifier. For 7-bit characters, +** allowed in an identifier. For 7-bit characters, ** sqlite3IsIdChar[X] must be 1. ** ** For EBCDIC, the rules are more complex but have the same ** end result. ** ** Ticket #1066. the SQL standard does not allow '$' in the -** middle of identifiers. But many SQL implementations do. +** middle of identifiers. But many SQL implementations do. ** SQLite will allow '$' in identifiers for compatibility. ** But the feature is undocumented. */ @@ -155181,12 +159941,12 @@ static int getToken(const unsigned char **pz){ do { z += sqlite3GetToken(z, &t); }while( t==TK_SPACE ); - if( t==TK_ID - || t==TK_STRING - || t==TK_JOIN_KW - || t==TK_WINDOW - || t==TK_OVER - || sqlite3ParserFallback(t)==TK_ID + if( t==TK_ID + || t==TK_STRING + || t==TK_JOIN_KW + || t==TK_WINDOW + || t==TK_OVER + || sqlite3ParserFallback(t)==TK_ID ){ t = TK_ID; } @@ -155203,8 +159963,8 @@ static int getToken(const unsigned char **pz){ ** ** SELECT sum(x) OVER ... ** -** In the above, "OVER" might be a keyword, or it might be an alias for the -** sum(x) expression. If a "%fallback ID OVER" directive were added to +** In the above, "OVER" might be a keyword, or it might be an alias for the +** sum(x) expression. If a "%fallback ID OVER" directive were added to ** grammar, then SQLite would always treat "OVER" as an alias, making it ** impossible to call a window-function without a FILTER clause. ** @@ -155248,7 +160008,7 @@ static int analyzeFilterKeyword(const unsigned char *z, int lastToken){ #endif /* SQLITE_OMIT_WINDOWFUNC */ /* -** Return the length (in bytes) of the token that begins at z[0]. +** Return the length (in bytes) of the token that begins at z[0]. ** Store the token type in *tokenType before returning. */ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ @@ -155405,6 +160165,7 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ } /* If the next character is a digit, this is a floating point ** number that begins with ".". Fall thru into the next case */ + /* no break */ deliberate_fall_through } case CC_DIGIT: { testcase( z[0]=='0' ); testcase( z[0]=='1' ); testcase( z[0]=='2' ); @@ -155426,7 +160187,7 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ *tokenType = TK_FLOAT; } if( (z[i]=='e' || z[i]=='E') && - ( sqlite3Isdigit(z[i+1]) + ( sqlite3Isdigit(z[i+1]) || ((z[i+1]=='+' || z[i+1]=='-') && sqlite3Isdigit(z[i+2])) ) ){ @@ -155509,6 +160270,7 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ #endif /* If it is not a BLOB literal, then it must be an ID, since no ** SQL keywords start with the letter 'x'. Fall through */ + /* no break */ deliberate_fall_through } case CC_ID: { i = 1; @@ -155531,7 +160293,7 @@ SQLITE_PRIVATE int sqlite3GetToken(const unsigned char *z, int *tokenType){ /* ** Run the parser on the given SQL string. The parser structure is ** passed in. An SQLITE_ status code is returned. If an error occurs -** then an and attempt is made to write an error message into +** then an and attempt is made to write an error message into ** memory obtained from sqlite3_malloc() and to make *pzErrMsg point to that ** error message. */ @@ -155551,7 +160313,7 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr assert( zSql!=0 ); mxSqlLen = db->aLimit[SQLITE_LIMIT_SQL_LENGTH]; if( db->nVdbeActive==0 ){ - db->u1.isInterrupted = 0; + AtomicStore(&db->u1.isInterrupted, 0); } pParse->rc = SQLITE_OK; pParse->zTail = zSql; @@ -155590,13 +160352,13 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr #ifndef SQLITE_OMIT_WINDOWFUNC if( tokenType>=TK_WINDOW ){ assert( tokenType==TK_SPACE || tokenType==TK_OVER || tokenType==TK_FILTER - || tokenType==TK_ILLEGAL || tokenType==TK_WINDOW + || tokenType==TK_ILLEGAL || tokenType==TK_WINDOW ); #else if( tokenType>=TK_SPACE ){ assert( tokenType==TK_SPACE || tokenType==TK_ILLEGAL ); #endif /* SQLITE_OMIT_WINDOWFUNC */ - if( db->u1.isInterrupted ){ + if( AtomicLoad(&db->u1.isInterrupted) ){ pParse->rc = SQLITE_INTERRUPT; break; } @@ -155661,7 +160423,7 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr assert( pzErrMsg!=0 ); if( pParse->zErrMsg ){ *pzErrMsg = pParse->zErrMsg; - sqlite3_log(pParse->rc, "%s in \"%s\"", + sqlite3_log(pParse->rc, "%s in \"%s\"", *pzErrMsg, pParse->zTail); pParse->zErrMsg = 0; nErr++; @@ -155683,7 +160445,7 @@ SQLITE_PRIVATE int sqlite3RunParser(Parse *pParse, const char *zSql, char **pzEr #endif if( !IN_SPECIAL_PARSE ){ - /* If the pParse->declareVtab flag is set, do not delete any table + /* If the pParse->declareVtab flag is set, do not delete any table ** structure built up in pParse->pNewTable. The calling code (see vtab.c) ** will take responsibility for freeing the Table structure. */ @@ -155740,7 +160502,7 @@ SQLITE_PRIVATE char *sqlite3Normalize( int nParen; /* Number of nested levels of parentheses */ int iStartIN; /* Start of RHS of IN operator in z[] */ int nParenAtIN; /* Value of nParent at start of RHS of IN operator */ - int j; /* Bytes of normalized SQL generated so far */ + u32 j; /* Bytes of normalized SQL generated so far */ sqlite3_str *pStr; /* The normalized SQL string under construction */ db = sqlite3VdbeDb(pVdbe); @@ -155784,7 +160546,7 @@ SQLITE_PRIVATE char *sqlite3Normalize( } case TK_RP: { if( iStartIN>0 && nParen==nParenAtIN ){ - assert( pStr->nChar>=iStartIN ); + assert( pStr->nChar>=(u32)iStartIN ); pStr->nChar = iStartIN+1; sqlite3_str_append(pStr, "?,?,?", 5); iStartIN = 0; @@ -155916,7 +160678,7 @@ SQLITE_PRIVATE const char sqlite3IsEbcdicIdChar[]; ** (2) NORMAL We are in the middle of statement which ends with a single ** semicolon. ** -** (3) EXPLAIN The keyword EXPLAIN has been seen at the beginning of +** (3) EXPLAIN The keyword EXPLAIN has been seen at the beginning of ** a statement. ** ** (4) CREATE The keyword CREATE has been seen at the beginning of a @@ -156259,29 +161021,91 @@ SQLITE_PRIVATE int sqlite3IcuInit(sqlite3 *db); } /* extern "C" */ #endif /* __cplusplus */ - /************** End of sqliteicu.h *******************************************/ /************** Continuing where we left off in main.c ***********************/ #endif + +/* +** This is an extension initializer that is a no-op and always +** succeeds, except that it fails if the fault-simulation is set +** to 500. +*/ +static int sqlite3TestExtInit(sqlite3 *db){ + (void)db; + return sqlite3FaultSim(500); +} + + +/* +** Forward declarations of external module initializer functions +** for modules that need them. +*/ +#ifdef SQLITE_ENABLE_FTS1 +SQLITE_PRIVATE int sqlite3Fts1Init(sqlite3*); +#endif +#ifdef SQLITE_ENABLE_FTS2 +SQLITE_PRIVATE int sqlite3Fts2Init(sqlite3*); +#endif +#ifdef SQLITE_ENABLE_FTS5 +SQLITE_PRIVATE int sqlite3Fts5Init(sqlite3*); +#endif #ifdef SQLITE_ENABLE_JSON1 SQLITE_PRIVATE int sqlite3Json1Init(sqlite3*); #endif #ifdef SQLITE_ENABLE_STMTVTAB SQLITE_PRIVATE int sqlite3StmtVtabInit(sqlite3*); #endif + +/* +** An array of pointers to extension initializer functions for +** built-in extensions. +*/ +static int (*const sqlite3BuiltinExtensions[])(sqlite3*) = { +#ifdef SQLITE_ENABLE_FTS1 + sqlite3Fts1Init, +#endif +#ifdef SQLITE_ENABLE_FTS2 + sqlite3Fts2Init, +#endif +#ifdef SQLITE_ENABLE_FTS3 + sqlite3Fts3Init, +#endif #ifdef SQLITE_ENABLE_FTS5 -SQLITE_PRIVATE int sqlite3Fts5Init(sqlite3*); + sqlite3Fts5Init, +#endif +#if defined(SQLITE_ENABLE_ICU) || defined(SQLITE_ENABLE_ICU_COLLATIONS) + sqlite3IcuInit, +#endif +#ifdef SQLITE_ENABLE_RTREE + sqlite3RtreeInit, +#endif +#ifdef SQLITE_ENABLE_DBPAGE_VTAB + sqlite3DbpageRegister, +#endif +#ifdef SQLITE_ENABLE_DBSTAT_VTAB + sqlite3DbstatRegister, #endif + sqlite3TestExtInit, +#ifdef SQLITE_ENABLE_JSON1 + sqlite3Json1Init, +#endif +#ifdef SQLITE_ENABLE_STMTVTAB + sqlite3StmtVtabInit, +#endif +#ifdef SQLITE_ENABLE_BYTECODE_VTAB + sqlite3VdbeBytecodeVtabInit, +#endif +}; #ifndef SQLITE_AMALGAMATION /* IMPLEMENTATION-OF: R-46656-45156 The sqlite3_version[] string constant -** contains the text of SQLITE_VERSION macro. +** contains the text of SQLITE_VERSION macro. */ SQLITE_API const char sqlite3_version[] = SQLITE_VERSION; #endif /* IMPLEMENTATION-OF: R-53536-42575 The sqlite3_libversion() function returns -** a pointer to the to the sqlite3_version[] string constant. +** a pointer to the to the sqlite3_version[] string constant. */ SQLITE_API const char *sqlite3_libversion(void){ return sqlite3_version; } @@ -156345,13 +161169,13 @@ SQLITE_API char *sqlite3_temp_directory = 0; SQLITE_API char *sqlite3_data_directory = 0; /* -** Initialize SQLite. +** Initialize SQLite. ** ** This routine must be called to initialize the memory allocation, ** VFS, and mutex subsystems prior to doing any serious work with ** SQLite. But as long as you do not compile with SQLITE_OMIT_AUTOINIT ** this routine will be called automatically by key routines such as -** sqlite3_open(). +** sqlite3_open(). ** ** This routine is a no-op except on its very first call for the process, ** or for the first call after a call to sqlite3_shutdown. @@ -156376,7 +161200,7 @@ SQLITE_API char *sqlite3_data_directory = 0; ** without blocking. */ SQLITE_API int sqlite3_initialize(void){ - MUTEX_LOGIC( sqlite3_mutex *pMaster; ) /* The main static mutex */ + MUTEX_LOGIC( sqlite3_mutex *pMainMtx; ) /* The main static mutex */ int rc; /* Result code */ #ifdef SQLITE_EXTRA_INIT int bRunExtraInit = 0; /* Extra initialization needed */ @@ -156399,9 +161223,12 @@ SQLITE_API int sqlite3_initialize(void){ ** must be complete. So isInit must not be set until the very end ** of this routine. */ - if( sqlite3GlobalConfig.isInit ) return SQLITE_OK; + if( sqlite3GlobalConfig.isInit ){ + sqlite3MemoryBarrier(); + return SQLITE_OK; + } - /* Make sure the mutex subsystem is initialized. If unable to + /* Make sure the mutex subsystem is initialized. If unable to ** initialize the mutex subsystem, return early with the error. ** If the system is so sick that we are unable to allocate a mutex, ** there is not much SQLite is going to be able to do. @@ -156413,13 +161240,13 @@ SQLITE_API int sqlite3_initialize(void){ if( rc ) return rc; /* Initialize the malloc() system and the recursive pInitMutex mutex. - ** This operation is protected by the STATIC_MASTER mutex. Note that + ** This operation is protected by the STATIC_MAIN mutex. Note that ** MutexAlloc() is called for a static mutex prior to initializing the ** malloc subsystem - this implies that the allocation of a static ** mutex must not require support from the malloc subsystem. */ - MUTEX_LOGIC( pMaster = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); ) - sqlite3_mutex_enter(pMaster); + MUTEX_LOGIC( pMainMtx = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) + sqlite3_mutex_enter(pMainMtx); sqlite3GlobalConfig.isMutexInit = 1; if( !sqlite3GlobalConfig.isMallocInit ){ rc = sqlite3MallocInit(); @@ -156437,7 +161264,7 @@ SQLITE_API int sqlite3_initialize(void){ if( rc==SQLITE_OK ){ sqlite3GlobalConfig.nRefInitMutex++; } - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); /* If rc is not SQLITE_OK at this point, then either the malloc ** subsystem could not be initialized or the system failed to allocate @@ -156483,8 +161310,9 @@ SQLITE_API int sqlite3_initialize(void){ } #endif if( rc==SQLITE_OK ){ - sqlite3PCacheBufferSetup( sqlite3GlobalConfig.pPage, + sqlite3PCacheBufferSetup( sqlite3GlobalConfig.pPage, sqlite3GlobalConfig.szPage, sqlite3GlobalConfig.nPage); + sqlite3MemoryBarrier(); sqlite3GlobalConfig.isInit = 1; #ifdef SQLITE_EXTRA_INIT bRunExtraInit = 1; @@ -156497,14 +161325,14 @@ SQLITE_API int sqlite3_initialize(void){ /* Go back under the static mutex and clean up the recursive ** mutex to prevent a resource leak. */ - sqlite3_mutex_enter(pMaster); + sqlite3_mutex_enter(pMainMtx); sqlite3GlobalConfig.nRefInitMutex--; if( sqlite3GlobalConfig.nRefInitMutex<=0 ){ assert( sqlite3GlobalConfig.nRefInitMutex==0 ); sqlite3_mutex_free(sqlite3GlobalConfig.pInitMutex); sqlite3GlobalConfig.pInitMutex = 0; } - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); /* The following is just a sanity check to make sure SQLite has ** been compiled correctly. It is important to run this code, but @@ -156700,7 +161528,7 @@ SQLITE_API int sqlite3_config(int op, ...){ ** a single parameter which is a pointer to an integer and writes into ** that integer the number of extra bytes per page required for each page ** in SQLITE_CONFIG_PAGECACHE. */ - *va_arg(ap, int*) = + *va_arg(ap, int*) = sqlite3HeaderSizeBtree() + sqlite3HeaderSizePcache() + sqlite3HeaderSizePcache1(); @@ -156787,7 +161615,7 @@ SQLITE_API int sqlite3_config(int op, ...){ sqlite3GlobalConfig.nLookaside = va_arg(ap, int); break; } - + /* Record a pointer to the logger function and its first argument. ** The default is NULL. Logging is disabled if the function pointer is ** NULL. @@ -156909,7 +161737,7 @@ SQLITE_API int sqlite3_config(int op, ...){ /* ** Set up the lookaside buffers for a database connection. -** Return SQLITE_OK on success. +** Return SQLITE_OK on success. ** If lookaside is already active, return SQLITE_BUSY. ** ** The sz parameter is the number of bytes in each lookaside slot. @@ -156921,12 +161749,15 @@ SQLITE_API int sqlite3_config(int op, ...){ static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){ #ifndef SQLITE_OMIT_LOOKASIDE void *pStart; - + sqlite3_int64 szAlloc = sz*(sqlite3_int64)cnt; + int nBig; /* Number of full-size slots */ + int nSm; /* Number smaller LOOKASIDE_SMALL-byte slots */ + if( sqlite3LookasideUsed(db,0)>0 ){ return SQLITE_BUSY; } /* Free any existing lookaside buffer for this handle before - ** allocating a new one so we don't have to have space for + ** allocating a new one so we don't have to have space for ** both at the same time. */ if( db->lookaside.bMalloced ){ @@ -156943,37 +161774,71 @@ static int setupLookaside(sqlite3 *db, void *pBuf, int sz, int cnt){ pStart = 0; }else if( pBuf==0 ){ sqlite3BeginBenignMalloc(); - pStart = sqlite3Malloc( sz*(sqlite3_int64)cnt ); /* IMP: R-61949-35727 */ + pStart = sqlite3Malloc( szAlloc ); /* IMP: R-61949-35727 */ sqlite3EndBenignMalloc(); - if( pStart ) cnt = sqlite3MallocSize(pStart)/sz; + if( pStart ) szAlloc = sqlite3MallocSize(pStart); }else{ pStart = pBuf; } +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + if( sz>=LOOKASIDE_SMALL*3 ){ + nBig = szAlloc/(3*LOOKASIDE_SMALL+sz); + nSm = (szAlloc - sz*nBig)/LOOKASIDE_SMALL; + }else if( sz>=LOOKASIDE_SMALL*2 ){ + nBig = szAlloc/(LOOKASIDE_SMALL+sz); + nSm = (szAlloc - sz*nBig)/LOOKASIDE_SMALL; + }else +#endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ + if( sz>0 ){ + nBig = szAlloc/sz; + nSm = 0; + }else{ + nBig = nSm = 0; + } db->lookaside.pStart = pStart; db->lookaside.pInit = 0; db->lookaside.pFree = 0; db->lookaside.sz = (u16)sz; + db->lookaside.szTrue = (u16)sz; if( pStart ){ int i; LookasideSlot *p; assert( sz > (int)sizeof(LookasideSlot*) ); - db->lookaside.nSlot = cnt; p = (LookasideSlot*)pStart; - for(i=cnt-1; i>=0; i--){ + for(i=0; i<nBig; i++){ p->pNext = db->lookaside.pInit; db->lookaside.pInit = p; p = (LookasideSlot*)&((u8*)p)[sz]; } +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + db->lookaside.pSmallInit = 0; + db->lookaside.pSmallFree = 0; + db->lookaside.pMiddle = p; + for(i=0; i<nSm; i++){ + p->pNext = db->lookaside.pSmallInit; + db->lookaside.pSmallInit = p; + p = (LookasideSlot*)&((u8*)p)[LOOKASIDE_SMALL]; + } +#endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ + assert( ((uptr)p)<=szAlloc + (uptr)pStart ); db->lookaside.pEnd = p; db->lookaside.bDisable = 0; db->lookaside.bMalloced = pBuf==0 ?1:0; + db->lookaside.nSlot = nBig+nSm; }else{ db->lookaside.pStart = db; +#ifndef SQLITE_OMIT_TWOSIZE_LOOKASIDE + db->lookaside.pSmallInit = 0; + db->lookaside.pSmallFree = 0; + db->lookaside.pMiddle = db; +#endif /* SQLITE_OMIT_TWOSIZE_LOOKASIDE */ db->lookaside.pEnd = db; db->lookaside.bDisable = 1; + db->lookaside.sz = 0; db->lookaside.bMalloced = 0; db->lookaside.nSlot = 0; } + assert( sqlite3LookasideUsed(db,0)==0 ); #endif /* SQLITE_OMIT_LOOKASIDE */ return SQLITE_OK; } @@ -157087,6 +161952,8 @@ SQLITE_API int sqlite3_db_config(sqlite3 *db, int op, ...){ { SQLITE_DBCONFIG_LEGACY_ALTER_TABLE, SQLITE_LegacyAlter }, { SQLITE_DBCONFIG_DQS_DDL, SQLITE_DqsDDL }, { SQLITE_DBCONFIG_DQS_DML, SQLITE_DqsDML }, + { SQLITE_DBCONFIG_LEGACY_FILE_FORMAT, SQLITE_LegacyFileFmt }, + { SQLITE_DBCONFIG_TRUSTED_SCHEMA, SQLITE_TrustedSchema }, }; unsigned int i; rc = SQLITE_ERROR; /* IMP: R-42790-23372 */ @@ -157165,7 +162032,7 @@ SQLITE_PRIVATE int sqlite3IsBinary(const CollSeq *p){ } /* -** Another built-in collating sequence: NOCASE. +** Another built-in collating sequence: NOCASE. ** ** This collating sequence is intended to be used for "case independent ** comparison". SQLite's knowledge of upper and lower case equivalents @@ -157307,7 +162174,7 @@ static void disconnectAllVtab(sqlite3 *db){ /* ** Return TRUE if database connection db has unfinalized prepared -** statements or unfinished sqlite3_backup objects. +** statements or unfinished sqlite3_backup objects. */ static int connectionIsBusy(sqlite3 *db){ int j; @@ -157334,7 +162201,7 @@ static int sqlite3Close(sqlite3 *db, int forceZombie){ } sqlite3_mutex_enter(db->mutex); if( db->mTrace & SQLITE_TRACE_CLOSE ){ - db->xTrace(SQLITE_TRACE_CLOSE, db->pTraceArg, db, 0); + db->trace.xV2(SQLITE_TRACE_CLOSE, db->pTraceArg, db, 0); } /* Force xDisconnect calls on all virtual tables */ @@ -157493,7 +162360,7 @@ SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){ /* The temp-database schema is allocated differently from the other schema ** objects (using sqliteMalloc() directly, instead of sqlite3BtreeSchema()). ** So it needs to be freed here. Todo: Why not roll the temp schema into - ** the same sqliteMalloc() as the one that allocates the database + ** the same sqliteMalloc() as the one that allocates the database ** structure? */ sqlite3DbFree(db, db->aDb[1].pSchema); @@ -157521,7 +162388,7 @@ SQLITE_PRIVATE void sqlite3RollbackAll(sqlite3 *db, int tripCode){ assert( sqlite3_mutex_held(db->mutex) ); sqlite3BeginBenignMalloc(); - /* Obtain all b-tree mutexes before making any calls to BtreeRollback(). + /* Obtain all b-tree mutexes before making any calls to BtreeRollback(). ** This is important in case the transaction being rolled back has ** modified the database schema. If the b-tree mutexes are not taken ** here, then another shared-cache connection might sneak in between @@ -157625,6 +162492,7 @@ SQLITE_PRIVATE const char *sqlite3ErrName(int rc){ case SQLITE_CANTOPEN_ISDIR: zName = "SQLITE_CANTOPEN_ISDIR"; break; case SQLITE_CANTOPEN_FULLPATH: zName = "SQLITE_CANTOPEN_FULLPATH"; break; case SQLITE_CANTOPEN_CONVPATH: zName = "SQLITE_CANTOPEN_CONVPATH"; break; + case SQLITE_CANTOPEN_SYMLINK: zName = "SQLITE_CANTOPEN_SYMLINK"; break; case SQLITE_PROTOCOL: zName = "SQLITE_PROTOCOL"; break; case SQLITE_EMPTY: zName = "SQLITE_EMPTY"; break; case SQLITE_SCHEMA: zName = "SQLITE_SCHEMA"; break; @@ -157746,8 +162614,7 @@ SQLITE_PRIVATE const char *sqlite3ErrStr(int rc){ */ static int sqliteDefaultBusyCallback( void *ptr, /* Database connection */ - int count, /* Number of times table has been busy */ - sqlite3_file *pFile /* The file on which the lock occurred */ + int count /* Number of times table has been busy */ ){ #if SQLITE_OS_WIN || HAVE_USLEEP /* This case is for systems that have support for sleeping for fractions of @@ -157761,19 +162628,6 @@ static int sqliteDefaultBusyCallback( int tmout = db->busyTimeout; int delay, prior; -#ifdef SQLITE_ENABLE_SETLK_TIMEOUT - if( sqlite3OsFileControl(pFile,SQLITE_FCNTL_LOCK_TIMEOUT,&tmout)==SQLITE_OK ){ - if( count ){ - tmout = 0; - sqlite3OsFileControl(pFile, SQLITE_FCNTL_LOCK_TIMEOUT, &tmout); - return 0; - }else{ - return 1; - } - } -#else - UNUSED_PARAMETER(pFile); -#endif assert( count>=0 ); if( count < NDELAY ){ delay = delays[count]; @@ -157793,7 +162647,6 @@ static int sqliteDefaultBusyCallback( ** must be done in increments of whole seconds */ sqlite3 *db = (sqlite3 *)ptr; int tmout = ((sqlite3 *)ptr)->busyTimeout; - UNUSED_PARAMETER(pFile); if( (count+1)*1000 > tmout ){ return 0; } @@ -157811,25 +162664,16 @@ static int sqliteDefaultBusyCallback( ** If this routine returns non-zero, the lock is retried. If it ** returns 0, the operation aborts with an SQLITE_BUSY error. */ -SQLITE_PRIVATE int sqlite3InvokeBusyHandler(BusyHandler *p, sqlite3_file *pFile){ +SQLITE_PRIVATE int sqlite3InvokeBusyHandler(BusyHandler *p){ int rc; if( p->xBusyHandler==0 || p->nBusy<0 ) return 0; - if( p->bExtraFileArg ){ - /* Add an extra parameter with the pFile pointer to the end of the - ** callback argument list */ - int (*xTra)(void*,int,sqlite3_file*); - xTra = (int(*)(void*,int,sqlite3_file*))p->xBusyHandler; - rc = xTra(p->pBusyArg, p->nBusy, pFile); - }else{ - /* Legacy style busy handler callback */ - rc = p->xBusyHandler(p->pBusyArg, p->nBusy); - } + rc = p->xBusyHandler(p->pBusyArg, p->nBusy); if( rc==0 ){ p->nBusy = -1; }else{ p->nBusy++; } - return rc; + return rc; } /* @@ -157848,7 +162692,6 @@ SQLITE_API int sqlite3_busy_handler( db->busyHandler.xBusyHandler = xBusy; db->busyHandler.pBusyArg = pArg; db->busyHandler.nBusy = 0; - db->busyHandler.bExtraFileArg = 0; db->busyTimeout = 0; sqlite3_mutex_leave(db->mutex); return SQLITE_OK; @@ -157861,9 +162704,9 @@ SQLITE_API int sqlite3_busy_handler( ** be invoked every nOps opcodes. */ SQLITE_API void sqlite3_progress_handler( - sqlite3 *db, + sqlite3 *db, int nOps, - int (*xProgress)(void*), + int (*xProgress)(void*), void *pArg ){ #ifdef SQLITE_ENABLE_API_ARMOR @@ -157899,7 +162742,6 @@ SQLITE_API int sqlite3_busy_timeout(sqlite3 *db, int ms){ sqlite3_busy_handler(db, (int(*)(void*,int))sqliteDefaultBusyCallback, (void*)db); db->busyTimeout = ms; - db->busyHandler.bExtraFileArg = 1; }else{ sqlite3_busy_handler(db, 0, 0); } @@ -157916,7 +162758,7 @@ SQLITE_API void sqlite3_interrupt(sqlite3 *db){ return; } #endif - db->u1.isInterrupted = 1; + AtomicStore(&db->u1.isInterrupted, 1); } @@ -157924,7 +162766,7 @@ SQLITE_API void sqlite3_interrupt(sqlite3 *db){ ** This function is exactly the same as sqlite3_create_function(), except ** that it is designed to be called by internal code. The difference is ** that if a malloc() fails in sqlite3_create_function(), an error code -** is returned and the mallocFailed flag cleared. +** is returned and the mallocFailed flag cleared. */ SQLITE_PRIVATE int sqlite3CreateFunc( sqlite3 *db, @@ -157957,9 +162799,16 @@ SQLITE_PRIVATE int sqlite3CreateFunc( assert( SQLITE_FUNC_CONSTANT==SQLITE_DETERMINISTIC ); assert( SQLITE_FUNC_DIRECT==SQLITE_DIRECTONLY ); - extraFlags = enc & (SQLITE_DETERMINISTIC|SQLITE_DIRECTONLY|SQLITE_SUBTYPE); + extraFlags = enc & (SQLITE_DETERMINISTIC|SQLITE_DIRECTONLY| + SQLITE_SUBTYPE|SQLITE_INNOCUOUS); enc &= (SQLITE_FUNC_ENCMASK|SQLITE_ANY); - + + /* The SQLITE_INNOCUOUS flag is the same bit as SQLITE_FUNC_UNSAFE. But + ** the meaning is inverted. So flip the bit. */ + assert( SQLITE_FUNC_UNSAFE==SQLITE_INNOCUOUS ); + extraFlags ^= SQLITE_FUNC_UNSAFE; + + #ifndef SQLITE_OMIT_UTF16 /* If SQLITE_UTF16 is specified as the encoding type, transform this ** to one of SQLITE_UTF16LE or SQLITE_UTF16BE using the @@ -157972,11 +162821,13 @@ SQLITE_PRIVATE int sqlite3CreateFunc( enc = SQLITE_UTF16NATIVE; }else if( enc==SQLITE_ANY ){ int rc; - rc = sqlite3CreateFunc(db, zFunctionName, nArg, SQLITE_UTF8|extraFlags, + rc = sqlite3CreateFunc(db, zFunctionName, nArg, + (SQLITE_UTF8|extraFlags)^SQLITE_FUNC_UNSAFE, pUserData, xSFunc, xStep, xFinal, xValue, xInverse, pDestructor); if( rc==SQLITE_OK ){ - rc = sqlite3CreateFunc(db, zFunctionName, nArg, SQLITE_UTF16LE|extraFlags, - pUserData, xSFunc, xStep, xFinal, xValue, xInverse, pDestructor); + rc = sqlite3CreateFunc(db, zFunctionName, nArg, + (SQLITE_UTF16LE|extraFlags)^SQLITE_FUNC_UNSAFE, + pUserData, xSFunc, xStep, xFinal, xValue, xInverse, pDestructor); } if( rc!=SQLITE_OK ){ return rc; @@ -157986,7 +162837,7 @@ SQLITE_PRIVATE int sqlite3CreateFunc( #else enc = SQLITE_UTF8; #endif - + /* Check if an existing function is being overridden or deleted. If so, ** and there are active VMs, then return SQLITE_BUSY. If a function ** is being overridden/deleted but there are no active VMs, allow the @@ -157995,7 +162846,7 @@ SQLITE_PRIVATE int sqlite3CreateFunc( p = sqlite3FindFunction(db, zFunctionName, nArg, (u8)enc, 0); if( p && (p->funcFlags & SQLITE_FUNC_ENCMASK)==(u32)enc && p->nArg==nArg ){ if( db->nVdbeActive ){ - sqlite3ErrorWithMsg(db, SQLITE_BUSY, + sqlite3ErrorWithMsg(db, SQLITE_BUSY, "unable to delete/modify user-function due to active statements"); assert( !db->mallocFailed ); return SQLITE_BUSY; @@ -158070,7 +162921,7 @@ static int createFunctionApi( pArg->xDestroy = xDestroy; pArg->pUserData = p; } - rc = sqlite3CreateFunc(db, zFunc, nArg, enc, p, + rc = sqlite3CreateFunc(db, zFunc, nArg, enc, p, xSFunc, xStep, xFinal, xValue, xInverse, pArg ); if( pArg && pArg->nRef==0 ){ @@ -158187,7 +163038,7 @@ static void sqlite3InvalidFunction( ** ** If the function already exists as a regular global function, then ** this routine is a no-op. If the function does not exist, then create -** a new one that always throws a run-time error. +** a new one that always throws a run-time error. ** ** When virtual tables intend to provide an overloaded function, they ** should call this routine to make sure the global function exists. @@ -158220,7 +163071,7 @@ SQLITE_API int sqlite3_overload_function( #ifndef SQLITE_OMIT_TRACE /* ** Register a trace function. The pArg from the previously registered trace -** is returned. +** is returned. ** ** A NULL trace function means that no tracing is executes. A non-NULL ** trace is a pointer to a function that is invoked at the start of each @@ -158239,7 +163090,7 @@ SQLITE_API void *sqlite3_trace(sqlite3 *db, void(*xTrace)(void*,const char*), vo sqlite3_mutex_enter(db->mutex); pOld = db->pTraceArg; db->mTrace = xTrace ? SQLITE_TRACE_LEGACY : 0; - db->xTrace = (int(*)(u32,void*,void*,void*))xTrace; + db->trace.xLegacy = xTrace; db->pTraceArg = pArg; sqlite3_mutex_leave(db->mutex); return pOld; @@ -158263,7 +163114,7 @@ SQLITE_API int sqlite3_trace_v2( if( mTrace==0 ) xTrace = 0; if( xTrace==0 ) mTrace = 0; db->mTrace = mTrace; - db->xTrace = xTrace; + db->trace.xV2 = xTrace; db->pTraceArg = pArg; sqlite3_mutex_leave(db->mutex); return SQLITE_OK; @@ -158271,8 +163122,8 @@ SQLITE_API int sqlite3_trace_v2( #ifndef SQLITE_OMIT_DEPRECATED /* -** Register a profile function. The pArg from the previously registered -** profile function is returned. +** Register a profile function. The pArg from the previously registered +** profile function is returned. ** ** A NULL profile function means that no profiling is executes. A non-NULL ** profile is a pointer to a function that is invoked at the conclusion of @@ -158406,7 +163257,7 @@ SQLITE_API void *sqlite3_preupdate_hook( ** Invoke sqlite3_wal_checkpoint if the number of frames in the log file ** is greater than sqlite3.pWalArg cast to an integer (the value configured by ** wal_autocheckpoint()). -*/ +*/ SQLITE_PRIVATE int sqlite3WalDefaultHook( void *pClientData, /* Argument */ sqlite3 *db, /* Connection */ @@ -158529,7 +163380,7 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( /* If there are no active statements, clear the interrupt flag at this ** point. */ if( db->nVdbeActive==0 ){ - db->u1.isInterrupted = 0; + AtomicStore(&db->u1.isInterrupted, 0); } sqlite3_mutex_leave(db->mutex); @@ -158540,7 +163391,7 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( /* ** Checkpoint database zDb. If zDb is NULL, or if the buffer zDb points -** to contains a zero-length string, all attached databases are +** to contains a zero-length string, all attached databases are ** checkpointed. */ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb){ @@ -158554,9 +163405,9 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb){ ** Run a checkpoint on database iDb. This is a no-op if database iDb is ** not currently open in WAL mode. ** -** If a transaction is open on the database being checkpointed, this -** function returns SQLITE_LOCKED and a checkpoint is not attempted. If -** an error occurs while running the checkpoint, an SQLite error code is +** If a transaction is open on the database being checkpointed, this +** function returns SQLITE_LOCKED and a checkpoint is not attempted. If +** an error occurs while running the checkpoint, an SQLite error code is ** returned (i.e. SQLITE_IOERR). Otherwise, SQLITE_OK. ** ** The mutex on database handle db should be held by the caller. The mutex @@ -158725,7 +163576,7 @@ SQLITE_API int sqlite3_extended_errcode(sqlite3 *db){ } SQLITE_API int sqlite3_system_errno(sqlite3 *db){ return db ? db->iSysErrno : 0; -} +} /* ** Return a string that describes the kind of error specified in the @@ -158742,7 +163593,7 @@ SQLITE_API const char *sqlite3_errstr(int rc){ */ static int createCollation( sqlite3* db, - const char *zName, + const char *zName, u8 enc, void* pCtx, int(*xCompare)(void*,int,const void*,int,const void*), @@ -158750,7 +163601,7 @@ static int createCollation( ){ CollSeq *pColl; int enc2; - + assert( sqlite3_mutex_held(db->mutex) ); /* If SQLITE_UTF16 is specified as the encoding type, transform this @@ -158767,14 +163618,14 @@ static int createCollation( return SQLITE_MISUSE_BKPT; } - /* Check if this call is removing or replacing an existing collation + /* Check if this call is removing or replacing an existing collation ** sequence. If so, and there are active VMs, return busy. If there ** are no active VMs, invalidate any pre-compiled statements. */ pColl = sqlite3FindCollSeq(db, (u8)enc2, zName, 0); if( pColl && pColl->xCmp ){ if( db->nVdbeActive ){ - sqlite3ErrorWithMsg(db, SQLITE_BUSY, + sqlite3ErrorWithMsg(db, SQLITE_BUSY, "unable to delete/modify collation sequence due to active statements"); return SQLITE_BUSY; } @@ -158785,7 +163636,7 @@ static int createCollation( ** then any copies made by synthCollSeq() need to be invalidated. ** Also, collation destructor - CollSeq.xDel() - function may need ** to be called. - */ + */ if( (pColl->enc & ~SQLITE_UTF16_ALIGNED)==enc2 ){ CollSeq *aColl = sqlite3HashFind(&db->aCollSeq, zName); int j; @@ -158934,17 +163785,19 @@ SQLITE_API int sqlite3_limit(sqlite3 *db, int limitId, int newLimit){ ** query parameter. The second argument contains the URI (or non-URI filename) ** itself. When this function is called the *pFlags variable should contain ** the default flags to open the database handle with. The value stored in -** *pFlags may be updated before returning if the URI filename contains +** *pFlags may be updated before returning if the URI filename contains ** "cache=xxx" or "mode=xxx" query parameters. ** ** If successful, SQLITE_OK is returned. In this case *ppVfs is set to point to ** the VFS that should be used to open the database file. *pzFile is set to -** point to a buffer containing the name of the file to open. It is the -** responsibility of the caller to eventually call sqlite3_free() to release -** this buffer. +** point to a buffer containing the name of the file to open. The value +** stored in *pzFile is a database name acceptable to sqlite3_uri_parameter() +** and is in the same format as names created using sqlite3_create_filename(). +** The caller must invoke sqlite3_free_filename() (not sqlite3_free()!) on +** the value returned in *pzFile to avoid a memory leak. ** ** If an error occurs, then an SQLite error code is returned and *pzErrMsg -** may be set to point to a buffer containing an English language error +** may be set to point to a buffer containing an English language error ** message. It is the responsibility of the caller to eventually release ** this buffer by calling sqlite3_free(). */ @@ -158952,7 +163805,7 @@ SQLITE_PRIVATE int sqlite3ParseUri( const char *zDefaultVfs, /* VFS to use if no "vfs=xxx" query option */ const char *zUri, /* Nul-terminated URI to parse */ unsigned int *pFlags, /* IN/OUT: SQLITE_OPEN_XXX flags */ - sqlite3_vfs **ppVfs, /* OUT: VFS to use */ + sqlite3_vfs **ppVfs, /* OUT: VFS to use */ char **pzFile, /* OUT: Filename component of URI */ char **pzErrMsg /* OUT: Error message (if rc!=SQLITE_OK) */ ){ @@ -158973,9 +163826,9 @@ SQLITE_PRIVATE int sqlite3ParseUri( int eState; /* Parser state when parsing URI */ int iIn; /* Input character index */ int iOut = 0; /* Output character index */ - u64 nByte = nUri+2; /* Bytes of space to allocate */ + u64 nByte = nUri+8; /* Bytes of space to allocate */ - /* Make sure the SQLITE_OPEN_URI flag is set to indicate to the VFS xOpen + /* Make sure the SQLITE_OPEN_URI flag is set to indicate to the VFS xOpen ** method that there may be extra parameters following the file-name. */ flags |= SQLITE_OPEN_URI; @@ -158983,6 +163836,9 @@ SQLITE_PRIVATE int sqlite3ParseUri( zFile = sqlite3_malloc64(nByte); if( !zFile ) return SQLITE_NOMEM_BKPT; + memset(zFile, 0, 4); /* 4-byte of 0x00 is the start of DB name marker */ + zFile += 4; + iIn = 5; #ifdef SQLITE_ALLOW_URI_AUTHORITY if( strncmp(zUri+5, "///", 3)==0 ){ @@ -158990,7 +163846,7 @@ SQLITE_PRIVATE int sqlite3ParseUri( /* The following condition causes URIs with five leading / characters ** like file://///host/path to be converted into UNCs like //host/path. ** The correct URI for that UNC has only two or four leading / characters - ** file://host/path or file:////host/path. But 5 leading slashes is a + ** file://host/path or file:////host/path. But 5 leading slashes is a ** common error, we are told, so we handle it as a special case. */ if( strncmp(zUri+7, "///", 3)==0 ){ iIn++; } }else if( strncmp(zUri+5, "//localhost/", 12)==0 ){ @@ -159002,7 +163858,7 @@ SQLITE_PRIVATE int sqlite3ParseUri( iIn = 7; while( zUri[iIn] && zUri[iIn]!='/' ) iIn++; if( iIn!=7 && (iIn!=16 || memcmp("localhost", &zUri[7], 9)) ){ - *pzErrMsg = sqlite3_mprintf("invalid uri authority: %.*s", + *pzErrMsg = sqlite3_mprintf("invalid uri authority: %.*s", iIn-7, &zUri[7]); rc = SQLITE_ERROR; goto parse_uri_out; @@ -159010,8 +163866,8 @@ SQLITE_PRIVATE int sqlite3ParseUri( } #endif - /* Copy the filename and any query parameters into the zFile buffer. - ** Decode %HH escape codes along the way. + /* Copy the filename and any query parameters into the zFile buffer. + ** Decode %HH escape codes along the way. ** ** Within this loop, variable eState may be set to 0, 1 or 2, depending ** on the parsing context. As follows: @@ -159023,9 +163879,9 @@ SQLITE_PRIVATE int sqlite3ParseUri( eState = 0; while( (c = zUri[iIn])!=0 && c!='#' ){ iIn++; - if( c=='%' - && sqlite3Isxdigit(zUri[iIn]) - && sqlite3Isxdigit(zUri[iIn+1]) + if( c=='%' + && sqlite3Isxdigit(zUri[iIn]) + && sqlite3Isxdigit(zUri[iIn+1]) ){ int octet = (sqlite3HexToInt(zUri[iIn++]) << 4); octet += sqlite3HexToInt(zUri[iIn++]); @@ -159037,7 +163893,7 @@ SQLITE_PRIVATE int sqlite3ParseUri( ** case we ignore all text in the remainder of the path, name or ** value currently being parsed. So ignore the current character ** and skip to the next "?", "=" or "&", as appropriate. */ - while( (c = zUri[iIn])!=0 && c!='#' + while( (c = zUri[iIn])!=0 && c!='#' && (eState!=0 || c!='?') && (eState!=1 || (c!='=' && c!='&')) && (eState!=2 || c!='&') @@ -159072,10 +163928,9 @@ SQLITE_PRIVATE int sqlite3ParseUri( zFile[iOut++] = c; } if( eState==1 ) zFile[iOut++] = '\0'; - zFile[iOut++] = '\0'; - zFile[iOut++] = '\0'; + memset(zFile+iOut, 0, 4); /* end-of-options + empty journal filenames */ - /* Check if there were any options specified that should be interpreted + /* Check if there were any options specified that should be interpreted ** here. Options that are interpreted here include "vfs" and those that ** correspond to flags that may be passed to the sqlite3_open_v2() ** method. */ @@ -159111,7 +163966,7 @@ SQLITE_PRIVATE int sqlite3ParseUri( if( nOpt==4 && memcmp("mode", zOpt, 4)==0 ){ static struct OpenMode aOpenMode[] = { { "ro", SQLITE_OPEN_READONLY }, - { "rw", SQLITE_OPEN_READWRITE }, + { "rw", SQLITE_OPEN_READWRITE }, { "rwc", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE }, { "memory", SQLITE_OPEN_MEMORY }, { 0, 0 } @@ -159153,13 +164008,14 @@ SQLITE_PRIVATE int sqlite3ParseUri( } }else{ - zFile = sqlite3_malloc64(nUri+2); + zFile = sqlite3_malloc64(nUri+8); if( !zFile ) return SQLITE_NOMEM_BKPT; + memset(zFile, 0, 4); + zFile += 4; if( nUri ){ memcpy(zFile, zUri, nUri); } - zFile[nUri] = '\0'; - zFile[nUri+1] = '\0'; + memset(zFile+nUri, 0, 4); flags &= ~SQLITE_OPEN_URI; } @@ -159170,7 +164026,7 @@ SQLITE_PRIVATE int sqlite3ParseUri( } parse_uri_out: if( rc!=SQLITE_OK ){ - sqlite3_free(zFile); + sqlite3_free_filename(zFile); zFile = 0; } *pFlags = flags; @@ -159178,44 +164034,26 @@ SQLITE_PRIVATE int sqlite3ParseUri( return rc; } -#if defined(SQLITE_HAS_CODEC) /* -** Process URI filename query parameters relevant to the SQLite Encryption -** Extension. Return true if any of the relevant query parameters are -** seen and return false if not. +** This routine does the core work of extracting URI parameters from a +** database filename for the sqlite3_uri_parameter() interface. */ -SQLITE_PRIVATE int sqlite3CodecQueryParameters( - sqlite3 *db, /* Database connection */ - const char *zDb, /* Which schema is being created/attached */ - const char *zUri /* URI filename */ -){ - const char *zKey; - if( (zKey = sqlite3_uri_parameter(zUri, "hexkey"))!=0 && zKey[0] ){ - u8 iByte; - int i; - char zDecoded[40]; - for(i=0, iByte=0; i<sizeof(zDecoded)*2 && sqlite3Isxdigit(zKey[i]); i++){ - iByte = (iByte<<4) + sqlite3HexToInt(zKey[i]); - if( (i&1)!=0 ) zDecoded[i/2] = iByte; - } - sqlite3_key_v2(db, zDb, zDecoded, i/2); - return 1; - }else if( (zKey = sqlite3_uri_parameter(zUri, "key"))!=0 ){ - sqlite3_key_v2(db, zDb, zKey, sqlite3Strlen30(zKey)); - return 1; - }else if( (zKey = sqlite3_uri_parameter(zUri, "textkey"))!=0 ){ - sqlite3_key_v2(db, zDb, zKey, -1); - return 1; - }else{ - return 0; +static const char *uriParameter(const char *zFilename, const char *zParam){ + zFilename += sqlite3Strlen30(zFilename) + 1; + while( zFilename[0] ){ + int x = strcmp(zFilename, zParam); + zFilename += sqlite3Strlen30(zFilename) + 1; + if( x==0 ) return zFilename; + zFilename += sqlite3Strlen30(zFilename) + 1; } + return 0; } -#endif + /* ** This routine does the work of opening a database on behalf of -** sqlite3_open() and sqlite3_open16(). The database filename "zFilename" +** sqlite3_open() and sqlite3_open16(). The database filename "zFilename" ** is UTF-8 encoded. */ static int openDatabase( @@ -159229,6 +164067,7 @@ static int openDatabase( int isThreadsafe; /* True for threadsafe connections */ char *zOpen = 0; /* Filename argument to pass to BtreeOpen() */ char *zErrMsg = 0; /* Error message from sqlite3ParseUri() */ + int i; /* Loop counter */ #ifdef SQLITE_ENABLE_API_ARMOR if( ppDb==0 ) return SQLITE_MISUSE_BKPT; @@ -159267,12 +164106,12 @@ static int openDatabase( flags &= ~( SQLITE_OPEN_DELETEONCLOSE | SQLITE_OPEN_EXCLUSIVE | SQLITE_OPEN_MAIN_DB | - SQLITE_OPEN_TEMP_DB | - SQLITE_OPEN_TRANSIENT_DB | - SQLITE_OPEN_MAIN_JOURNAL | - SQLITE_OPEN_TEMP_JOURNAL | - SQLITE_OPEN_SUBJOURNAL | - SQLITE_OPEN_MASTER_JOURNAL | + SQLITE_OPEN_TEMP_DB | + SQLITE_OPEN_TRANSIENT_DB | + SQLITE_OPEN_MAIN_JOURNAL | + SQLITE_OPEN_TEMP_JOURNAL | + SQLITE_OPEN_SUBJOURNAL | + SQLITE_OPEN_SUPER_JOURNAL | SQLITE_OPEN_NOMUTEX | SQLITE_OPEN_FULLMUTEX | SQLITE_OPEN_WAL @@ -159281,7 +164120,7 @@ static int openDatabase( /* Allocate the sqlite data structure */ db = sqlite3MallocZero( sizeof(sqlite3) ); if( db==0 ) goto opendb_out; - if( isThreadsafe + if( isThreadsafe #ifdef SQLITE_ENABLE_MULTITHREADED_CHECKS || sqlite3GlobalConfig.bCoreMutex #endif @@ -159302,6 +164141,7 @@ static int openDatabase( db->magic = SQLITE_MAGIC_BUSY; db->aDb = db->aDbStatic; db->lookaside.bDisable = 1; + db->lookaside.sz = 0; assert( sizeof(db->aLimit)==sizeof(aHardLimit) ); memcpy(db->aLimit, aHardLimit, sizeof(db->aLimit)); @@ -159315,13 +164155,15 @@ static int openDatabase( | SQLITE_EnableTrigger | SQLITE_EnableView | SQLITE_CacheSpill - +#if !defined(SQLITE_TRUSTED_SCHEMA) || SQLITE_TRUSTED_SCHEMA+0!=0 + | SQLITE_TrustedSchema +#endif /* The SQLITE_DQS compile-time option determines the default settings ** for SQLITE_DBCONFIG_DQS_DDL and SQLITE_DBCONFIG_DQS_DML. ** ** SQLITE_DQS SQLITE_DBCONFIG_DQS_DDL SQLITE_DBCONFIG_DQS_DML ** ---------- ----------------------- ----------------------- -** undefined on on +** undefined on on ** 3 on on ** 2 on off ** 1 off on @@ -159374,6 +164216,9 @@ static int openDatabase( #if defined(SQLITE_DEFAULT_DEFENSIVE) | SQLITE_Defensive #endif +#if defined(SQLITE_DEFAULT_LEGACY_ALTER_TABLE) + | SQLITE_LegacyAlter +#endif ; sqlite3HashInit(&db->aCollSeq); #ifndef SQLITE_OMIT_VIRTUALTABLE @@ -159395,15 +164240,10 @@ static int openDatabase( if( db->mallocFailed ){ goto opendb_out; } - /* EVIDENCE-OF: R-08308-17224 The default collating function for all - ** strings is BINARY. - */ - db->pDfltColl = sqlite3FindCollSeq(db, SQLITE_UTF8, sqlite3StrBINARY, 0); - assert( db->pDfltColl!=0 ); /* Parse the filename/URI argument ** - ** Only allow sensible combinations of bits in the flags argument. + ** Only allow sensible combinations of bits in the flags argument. ** Throw an error if any non-sense combination is used. If we ** do not block illegal combinations here, it could trigger ** assert() statements in deeper layers. Sensible combinations @@ -159421,7 +164261,7 @@ static int openDatabase( testcase( (1<<(flags&7))==0x04 ); /* READWRITE */ testcase( (1<<(flags&7))==0x40 ); /* READWRITE | CREATE */ if( ((1<<(flags&7)) & 0x46)==0 ){ - rc = SQLITE_MISUSE_BKPT; /* IMP: R-65497-44594 */ + rc = SQLITE_MISUSE_BKPT; /* IMP: R-18321-05872 */ }else{ rc = sqlite3ParseUri(zVfs, zFilename, &flags, &db->pVfs, &zOpen, &zErrMsg); } @@ -159444,12 +164284,14 @@ static int openDatabase( } sqlite3BtreeEnter(db->aDb[0].pBt); db->aDb[0].pSchema = sqlite3SchemaGet(db, db->aDb[0].pBt); - if( !db->mallocFailed ) ENC(db) = SCHEMA_ENC(db); + if( !db->mallocFailed ){ + sqlite3SetTextEncoding(db, SCHEMA_ENC(db)); + } sqlite3BtreeLeave(db->aDb[0].pBt); db->aDb[1].pSchema = sqlite3SchemaGet(db, 0); /* The default safety_level for the main database is FULL; for the temp - ** database it is OFF. This matches the pager layer defaults. + ** database it is OFF. This matches the pager layer defaults. */ db->aDb[0].zDbSName = "main"; db->aDb[0].safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1; @@ -159469,14 +164311,11 @@ static int openDatabase( sqlite3RegisterPerConnectionBuiltinFunctions(db); rc = sqlite3_errcode(db); -#ifdef SQLITE_ENABLE_FTS5 - /* Register any built-in FTS5 module before loading the automatic - ** extensions. This allows automatic extensions to register FTS5 - ** tokenizers and auxiliary functions. */ - if( !db->mallocFailed && rc==SQLITE_OK ){ - rc = sqlite3Fts5Init(db); + + /* Load compiled-in extensions */ + for(i=0; rc==SQLITE_OK && i<ArraySize(sqlite3BuiltinExtensions); i++){ + rc = sqlite3BuiltinExtensions[i](db); } -#endif /* Load automatic extensions - extensions that have been registered ** using the sqlite3_automatic_extension() API. @@ -159489,60 +164328,11 @@ static int openDatabase( } } -#ifdef SQLITE_ENABLE_FTS1 - if( !db->mallocFailed ){ - extern int sqlite3Fts1Init(sqlite3*); - rc = sqlite3Fts1Init(db); - } -#endif - -#ifdef SQLITE_ENABLE_FTS2 - if( !db->mallocFailed && rc==SQLITE_OK ){ - extern int sqlite3Fts2Init(sqlite3*); - rc = sqlite3Fts2Init(db); - } -#endif - -#ifdef SQLITE_ENABLE_FTS3 /* automatically defined by SQLITE_ENABLE_FTS4 */ - if( !db->mallocFailed && rc==SQLITE_OK ){ - rc = sqlite3Fts3Init(db); - } -#endif - -#if defined(SQLITE_ENABLE_ICU) || defined(SQLITE_ENABLE_ICU_COLLATIONS) - if( !db->mallocFailed && rc==SQLITE_OK ){ - rc = sqlite3IcuInit(db); - } -#endif - -#ifdef SQLITE_ENABLE_RTREE - if( !db->mallocFailed && rc==SQLITE_OK){ - rc = sqlite3RtreeInit(db); - } -#endif - -#ifdef SQLITE_ENABLE_DBPAGE_VTAB - if( !db->mallocFailed && rc==SQLITE_OK){ - rc = sqlite3DbpageRegister(db); - } -#endif - -#ifdef SQLITE_ENABLE_DBSTAT_VTAB - if( !db->mallocFailed && rc==SQLITE_OK){ - rc = sqlite3DbstatRegister(db); - } -#endif - -#ifdef SQLITE_ENABLE_JSON1 - if( !db->mallocFailed && rc==SQLITE_OK){ - rc = sqlite3Json1Init(db); - } -#endif - -#ifdef SQLITE_ENABLE_STMTVTAB - if( !db->mallocFailed && rc==SQLITE_OK){ - rc = sqlite3StmtVtabInit(db); - } +#ifdef SQLITE_ENABLE_INTERNAL_FUNCTIONS + /* Testing use only!!! The -DSQLITE_ENABLE_INTERNAL_FUNCTIONS=1 compile-time + ** option gives access to internal functions by default. + ** Testing use only!!! */ + db->mDbFlags |= DBFLAG_InternalFunc; #endif /* -DSQLITE_DEFAULT_LOCKING_MODE=1 makes EXCLUSIVE the default locking @@ -159585,10 +164375,7 @@ opendb_out: sqlite3GlobalConfig.xSqllog(pArg, db, zFilename, 0); } #endif -#if defined(SQLITE_HAS_CODEC) - if( rc==SQLITE_OK ) sqlite3CodecQueryParameters(db, 0, zOpen); -#endif - sqlite3_free(zOpen); + sqlite3_free_filename(zOpen); return rc & 0xff; } @@ -159597,8 +164384,8 @@ opendb_out: ** Open a new database handle. */ SQLITE_API int sqlite3_open( - const char *zFilename, - sqlite3 **ppDb + const char *zFilename, + sqlite3 **ppDb ){ return openDatabase(zFilename, ppDb, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, 0); @@ -159617,7 +164404,7 @@ SQLITE_API int sqlite3_open_v2( ** Open a new database handle. */ SQLITE_API int sqlite3_open16( - const void *zFilename, + const void *zFilename, sqlite3 **ppDb ){ char const *zFilename8; /* zFilename encoded in UTF-8 instead of UTF-16 */ @@ -159656,9 +164443,9 @@ SQLITE_API int sqlite3_open16( ** Register a new collation sequence with the database handle db. */ SQLITE_API int sqlite3_create_collation( - sqlite3* db, - const char *zName, - int enc, + sqlite3* db, + const char *zName, + int enc, void* pCtx, int(*xCompare)(void*,int,const void*,int,const void*) ){ @@ -159669,9 +164456,9 @@ SQLITE_API int sqlite3_create_collation( ** Register a new collation sequence with the database handle db. */ SQLITE_API int sqlite3_create_collation_v2( - sqlite3* db, - const char *zName, - int enc, + sqlite3* db, + const char *zName, + int enc, void* pCtx, int(*xCompare)(void*,int,const void*,int,const void*), void(*xDel)(void*) @@ -159694,9 +164481,9 @@ SQLITE_API int sqlite3_create_collation_v2( ** Register a new collation sequence with the database handle db. */ SQLITE_API int sqlite3_create_collation16( - sqlite3* db, + sqlite3* db, const void *zName, - int enc, + int enc, void* pCtx, int(*xCompare)(void*,int,const void*,int,const void*) ){ @@ -159724,8 +164511,8 @@ SQLITE_API int sqlite3_create_collation16( ** db. Replace any previously installed collation sequence factory. */ SQLITE_API int sqlite3_collation_needed( - sqlite3 *db, - void *pCollNeededArg, + sqlite3 *db, + void *pCollNeededArg, void(*xCollNeeded)(void*,sqlite3*,int eTextRep,const char*) ){ #ifdef SQLITE_ENABLE_API_ARMOR @@ -159745,8 +164532,8 @@ SQLITE_API int sqlite3_collation_needed( ** db. Replace any previously installed collation sequence factory. */ SQLITE_API int sqlite3_collation_needed16( - sqlite3 *db, - void *pCollNeededArg, + sqlite3 *db, + void *pCollNeededArg, void(*xCollNeeded16)(void*,sqlite3*,int eTextRep,const void*) ){ #ifdef SQLITE_ENABLE_API_ARMOR @@ -159815,13 +164602,15 @@ SQLITE_PRIVATE int sqlite3CantopenError(int lineno){ testcase( sqlite3GlobalConfig.xLog!=0 ); return sqlite3ReportError(SQLITE_CANTOPEN, lineno, "cannot open file"); } -#ifdef SQLITE_DEBUG +#if defined(SQLITE_DEBUG) || defined(SQLITE_ENABLE_CORRUPT_PGNO) SQLITE_PRIVATE int sqlite3CorruptPgnoError(int lineno, Pgno pgno){ char zMsg[100]; sqlite3_snprintf(sizeof(zMsg), zMsg, "database corruption page %d", pgno); testcase( sqlite3GlobalConfig.xLog!=0 ); return sqlite3ReportError(SQLITE_CORRUPT, lineno, zMsg); } +#endif +#ifdef SQLITE_DEBUG SQLITE_PRIVATE int sqlite3NomemError(int lineno){ testcase( sqlite3GlobalConfig.xLog!=0 ); return sqlite3ReportError(SQLITE_NOMEM, lineno, "OOM"); @@ -159916,13 +164705,13 @@ SQLITE_API int sqlite3_table_column_metadata( /* The following block stores the meta information that will be returned ** to the caller in local variables zDataType, zCollSeq, notnull, primarykey ** and autoinc. At this point there are two possibilities: - ** - ** 1. The specified column name was rowid", "oid" or "_rowid_" - ** and there is no explicitly declared IPK column. ** - ** 2. The table is not a view and the column name identified an + ** 1. The specified column name was rowid", "oid" or "_rowid_" + ** and there is no explicitly declared IPK column. + ** + ** 2. The table is not a view and the column name identified an ** explicitly declared column. Copy meta information from *pCol. - */ + */ if( pCol ){ zDataType = sqlite3ColumnType(pCol,0); zCollSeq = pCol->zColl; @@ -159972,7 +164761,7 @@ SQLITE_API int sqlite3_sleep(int ms){ pVfs = sqlite3_vfs_find(0); if( pVfs==0 ) return 0; - /* This function works in milliseconds, but the underlying OsSleep() + /* This function works in milliseconds, but the underlying OsSleep() ** API uses microseconds. Hence the 1000's. */ rc = (sqlite3OsSleep(pVfs, 1000*ms)/1000); @@ -160024,6 +164813,13 @@ SQLITE_API int sqlite3_file_control(sqlite3 *db, const char *zDbName, int op, vo }else if( op==SQLITE_FCNTL_DATA_VERSION ){ *(unsigned int*)pArg = sqlite3PagerDataVersion(pPager); rc = SQLITE_OK; + }else if( op==SQLITE_FCNTL_RESERVE_BYTES ){ + int iNew = *(int*)pArg; + *(int*)pArg = sqlite3BtreeGetRequestedReserve(pBtree); + if( iNew>=0 && iNew<=255 ){ + sqlite3BtreeSetPageSize(pBtree, 0, iNew, 0); + } + rc = SQLITE_OK; }else{ rc = sqlite3OsFileControl(fd, op, pArg); } @@ -160083,6 +164879,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** This test-control also resets the PRNG so that the new seed will ** be used for the next call to sqlite3_randomness(). */ +#ifndef SQLITE_OMIT_WSD case SQLITE_TESTCTRL_PRNG_SEED: { int x = va_arg(ap, int); int y; @@ -160093,6 +164890,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ sqlite3_randomness(0,0); break; } +#endif /* ** sqlite3_test_control(BITVEC_TEST, size, program) @@ -160134,7 +164932,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ /* ** sqlite3_test_control(BENIGN_MALLOC_HOOKS, xBegin, xEnd) ** - ** Register hooks to call to indicate which malloc() failures + ** Register hooks to call to indicate which malloc() failures ** are benign. */ case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS: { @@ -160232,29 +165030,15 @@ SQLITE_API int sqlite3_test_control(int op, ...){ ** 10 little-endian, determined at run-time ** 432101 big-endian, determined at compile-time ** 123410 little-endian, determined at compile-time - */ + */ case SQLITE_TESTCTRL_BYTEORDER: { rc = SQLITE_BYTEORDER*100 + SQLITE_LITTLEENDIAN*10 + SQLITE_BIGENDIAN; break; } - /* sqlite3_test_control(SQLITE_TESTCTRL_RESERVE, sqlite3 *db, int N) - ** - ** Set the nReserve size to N for the main database on the database - ** connection db. - */ - case SQLITE_TESTCTRL_RESERVE: { - sqlite3 *db = va_arg(ap, sqlite3*); - int x = va_arg(ap,int); - sqlite3_mutex_enter(db->mutex); - sqlite3BtreeSetPageSize(db->aDb[0].pBt, 0, x, 0); - sqlite3_mutex_leave(db->mutex); - break; - } - /* sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, sqlite3 *db, int N) ** - ** Enable or disable various optimizations for testing purposes. The + ** Enable or disable various optimizations for testing purposes. The ** argument N is a bitmask of optimizations to be disabled. For normal ** operation N should be 0. The idea is that a test program (like the ** SQL Logic Test or SLT test module) can run the same SQL multiple times @@ -160277,15 +165061,14 @@ SQLITE_API int sqlite3_test_control(int op, ...){ break; } - /* sqlite3_test_control(SQLITE_TESTCTRL_INTERNAL_FUNCS, int onoff); + /* sqlite3_test_control(SQLITE_TESTCTRL_INTERNAL_FUNCTIONS, sqlite3*); ** - ** If parameter onoff is non-zero, internal-use-only SQL functions - ** are visible to ordinary SQL. This is useful for testing but is - ** unsafe because invalid parameters to those internal-use-only functions - ** can result in crashes or segfaults. + ** Toggle the ability to use internal functions on or off for + ** the database connection given in the argument. */ case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS: { - sqlite3GlobalConfig.bInternalFunctions = va_arg(ap, int); + sqlite3 *db = va_arg(ap, sqlite3*); + db->mDbFlags ^= DBFLAG_InternalFunc; break; } @@ -160305,8 +165088,14 @@ SQLITE_API int sqlite3_test_control(int op, ...){ /* sqlite3_test_control(SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS, int); ** ** Set or clear a flag that causes SQLite to verify that type, name, - ** and tbl_name fields of the sqlite_master table. This is normally + ** and tbl_name fields of the sqlite_schema table. This is normally ** on, but it is sometimes useful to turn it off for testing. + ** + ** 2020-07-22: Disabling EXTRA_SCHEMA_CHECKS also disables the + ** verification of rootpage numbers when parsing the schema. This + ** is useful to make it easier to reach strange internal error states + ** during testing. The EXTRA_SCHEMA_CHECKS setting is always enabled + ** in production. */ case SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS: { sqlite3GlobalConfig.bExtraSchemaChecks = va_arg(ap, int); @@ -160325,7 +165114,7 @@ SQLITE_API int sqlite3_test_control(int op, ...){ /* sqlite3_test_control(SQLITE_TESTCTRL_VDBE_COVERAGE, xCallback, ptr); ** - ** Set the VDBE coverage callback function to xCallback with context + ** Set the VDBE coverage callback function to xCallback with context ** pointer ptr. */ case SQLITE_TESTCTRL_VDBE_COVERAGE: { @@ -160422,8 +165211,85 @@ SQLITE_API int sqlite3_test_control(int op, ...){ } /* +** The Pager stores the Database filename, Journal filename, and WAL filename +** consecutively in memory, in that order. The database filename is prefixed +** by four zero bytes. Locate the start of the database filename by searching +** backwards for the first byte following four consecutive zero bytes. +** +** This only works if the filename passed in was obtained from the Pager. +*/ +static const char *databaseName(const char *zName){ + while( zName[-1]!=0 || zName[-2]!=0 || zName[-3]!=0 || zName[-4]!=0 ){ + zName--; + } + return zName; +} + +/* +** Append text z[] to the end of p[]. Return a pointer to the first +** character after then zero terminator on the new text in p[]. +*/ +static char *appendText(char *p, const char *z){ + size_t n = strlen(z); + memcpy(p, z, n+1); + return p+n+1; +} + +/* +** Allocate memory to hold names for a database, journal file, WAL file, +** and query parameters. The pointer returned is valid for use by +** sqlite3_filename_database() and sqlite3_uri_parameter() and related +** functions. +** +** Memory layout must be compatible with that generated by the pager +** and expected by sqlite3_uri_parameter() and databaseName(). +*/ +SQLITE_API char *sqlite3_create_filename( + const char *zDatabase, + const char *zJournal, + const char *zWal, + int nParam, + const char **azParam +){ + sqlite3_int64 nByte; + int i; + char *pResult, *p; + nByte = strlen(zDatabase) + strlen(zJournal) + strlen(zWal) + 10; + for(i=0; i<nParam*2; i++){ + nByte += strlen(azParam[i])+1; + } + pResult = p = sqlite3_malloc64( nByte ); + if( p==0 ) return 0; + memset(p, 0, 4); + p += 4; + p = appendText(p, zDatabase); + for(i=0; i<nParam*2; i++){ + p = appendText(p, azParam[i]); + } + *(p++) = 0; + p = appendText(p, zJournal); + p = appendText(p, zWal); + *(p++) = 0; + *(p++) = 0; + assert( (sqlite3_int64)(p - pResult)==nByte ); + return pResult + 4; +} + +/* +** Free memory obtained from sqlite3_create_filename(). It is a severe +** error to call this routine with any parameter other than a pointer +** previously obtained from sqlite3_create_filename() or a NULL pointer. +*/ +SQLITE_API void sqlite3_free_filename(char *p){ + if( p==0 ) return; + p = (char*)databaseName(p); + sqlite3_free(p - 4); +} + + +/* ** This is a utility routine, useful to VFS implementations, that checks -** to see if a database file was a URI that contained a specific query +** to see if a database file was a URI that contained a specific query ** parameter, and if so obtains the value of the query parameter. ** ** The zFilename argument is the filename pointer passed into the xOpen() @@ -160434,14 +165300,22 @@ SQLITE_API int sqlite3_test_control(int op, ...){ */ SQLITE_API const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam){ if( zFilename==0 || zParam==0 ) return 0; + zFilename = databaseName(zFilename); + return uriParameter(zFilename, zParam); +} + +/* +** Return a pointer to the name of Nth query parameter of the filename. +*/ +SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N){ + if( zFilename==0 || N<0 ) return 0; + zFilename = databaseName(zFilename); zFilename += sqlite3Strlen30(zFilename) + 1; - while( zFilename[0] ){ - int x = strcmp(zFilename, zParam); + while( zFilename[0] && (N--)>0 ){ zFilename += sqlite3Strlen30(zFilename) + 1; - if( x==0 ) return zFilename; zFilename += sqlite3Strlen30(zFilename) + 1; } - return 0; + return zFilename[0] ? zFilename : 0; } /* @@ -160470,6 +165344,38 @@ SQLITE_API sqlite3_int64 sqlite3_uri_int64( } /* +** Translate a filename that was handed to a VFS routine into the corresponding +** database, journal, or WAL file. +** +** It is an error to pass this routine a filename string that was not +** passed into the VFS from the SQLite core. Doing so is similar to +** passing free() a pointer that was not obtained from malloc() - it is +** an error that we cannot easily detect but that will likely cause memory +** corruption. +*/ +SQLITE_API const char *sqlite3_filename_database(const char *zFilename){ + return databaseName(zFilename); +} +SQLITE_API const char *sqlite3_filename_journal(const char *zFilename){ + zFilename = databaseName(zFilename); + zFilename += sqlite3Strlen30(zFilename) + 1; + while( zFilename[0] ){ + zFilename += sqlite3Strlen30(zFilename) + 1; + zFilename += sqlite3Strlen30(zFilename) + 1; + } + return zFilename + 1; +} +SQLITE_API const char *sqlite3_filename_wal(const char *zFilename){ +#ifdef SQLITE_OMIT_WAL + return 0; +#else + zFilename = sqlite3_filename_journal(zFilename); + zFilename += sqlite3Strlen30(zFilename) + 1; + return zFilename; +#endif +} + +/* ** Return the Btree pointer identified by zDbName. Return NULL if not found. */ SQLITE_PRIVATE Btree *sqlite3DbNameToBtree(sqlite3 *db, const char *zDbName){ @@ -160511,11 +165417,11 @@ SQLITE_API int sqlite3_db_readonly(sqlite3 *db, const char *zDbName){ #ifdef SQLITE_ENABLE_SNAPSHOT /* -** Obtain a snapshot handle for the snapshot of database zDb currently +** Obtain a snapshot handle for the snapshot of database zDb currently ** being read by handle db. */ SQLITE_API int sqlite3_snapshot_get( - sqlite3 *db, + sqlite3 *db, const char *zDb, sqlite3_snapshot **ppSnapshot ){ @@ -160551,8 +165457,8 @@ SQLITE_API int sqlite3_snapshot_get( ** Open a read-transaction on the snapshot idendified by pSnapshot. */ SQLITE_API int sqlite3_snapshot_open( - sqlite3 *db, - const char *zDb, + sqlite3 *db, + const char *zDb, sqlite3_snapshot *pSnapshot ){ int rc = SQLITE_ERROR; @@ -160654,7 +165560,7 @@ SQLITE_API int sqlite3_compileoption_used(const char *zOptName){ int i, n; int nOpt; const char **azCompileOpt; - + #if SQLITE_ENABLE_API_ARMOR if( zOptName==0 ){ (void)SQLITE_MISUSE_BKPT; @@ -160667,7 +165573,7 @@ SQLITE_API int sqlite3_compileoption_used(const char *zOptName){ if( sqlite3StrNICmp(zOptName, "SQLITE_", 7)==0 ) zOptName += 7; n = sqlite3Strlen30(zOptName); - /* Since nOpt is normally in single digits, a linear search is + /* Since nOpt is normally in single digits, a linear search is ** adequate. No need for a binary search. */ for(i=0; i<nOpt; i++){ if( sqlite3StrNICmp(zOptName, azCompileOpt[i], n)==0 @@ -160727,25 +165633,25 @@ SQLITE_API const char *sqlite3_compileoption_get(int N){ */ #define assertMutexHeld() \ - assert( sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)) ) + assert( sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN)) ) /* ** Head of a linked list of all sqlite3 objects created by this process ** for which either sqlite3.pBlockingConnection or sqlite3.pUnlockConnection -** is not NULL. This variable may only accessed while the STATIC_MASTER +** is not NULL. This variable may only accessed while the STATIC_MAIN ** mutex is held. */ static sqlite3 *SQLITE_WSD sqlite3BlockedList = 0; #ifndef NDEBUG /* -** This function is a complex assert() that verifies the following +** This function is a complex assert() that verifies the following ** properties of the blocked connections list: ** -** 1) Each entry in the list has a non-NULL value for either +** 1) Each entry in the list has a non-NULL value for either ** pUnlockConnection or pBlockingConnection, or both. ** -** 2) All entries in the list that share a common value for +** 2) All entries in the list that share a common value for ** xUnlockNotify are grouped together. ** ** 3) If the argument db is not NULL, then none of the entries in the @@ -160797,8 +165703,8 @@ static void addToBlockedList(sqlite3 *db){ sqlite3 **pp; assertMutexHeld(); for( - pp=&sqlite3BlockedList; - *pp && (*pp)->xUnlockNotify!=db->xUnlockNotify; + pp=&sqlite3BlockedList; + *pp && (*pp)->xUnlockNotify!=db->xUnlockNotify; pp=&(*pp)->pNextBlocked ); db->pNextBlocked = *pp; @@ -160806,20 +165712,20 @@ static void addToBlockedList(sqlite3 *db){ } /* -** Obtain the STATIC_MASTER mutex. +** Obtain the STATIC_MAIN mutex. */ static void enterMutex(void){ - sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); + sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN)); checkListProperties(0); } /* -** Release the STATIC_MASTER mutex. +** Release the STATIC_MAIN mutex. */ static void leaveMutex(void){ assertMutexHeld(); checkListProperties(0); - sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); + sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN)); } /* @@ -160860,9 +165766,9 @@ SQLITE_API int sqlite3_unlock_notify( db->xUnlockNotify = 0; db->pUnlockArg = 0; }else if( 0==db->pBlockingConnection ){ - /* The blocking transaction has been concluded. Or there never was a + /* The blocking transaction has been concluded. Or there never was a ** blocking transaction. In either case, invoke the notify callback - ** immediately. + ** immediately. */ xNotify(&pArg, 1); }else{ @@ -160888,7 +165794,7 @@ SQLITE_API int sqlite3_unlock_notify( } /* -** This function is called while stepping or preparing a statement +** This function is called while stepping or preparing a statement ** associated with connection db. The operation will return SQLITE_LOCKED ** to the user because it requires a lock that will not be available ** until connection pBlocker concludes its current transaction. @@ -160904,7 +165810,7 @@ SQLITE_PRIVATE void sqlite3ConnectionBlocked(sqlite3 *db, sqlite3 *pBlocker){ /* ** This function is called when -** the transaction opened by database db has just finished. Locks held +** the transaction opened by database db has just finished. Locks held ** by database connection db have been released. ** ** This function loops through each entry in the blocked connections @@ -160930,7 +165836,7 @@ SQLITE_PRIVATE void sqlite3ConnectionUnlocked(sqlite3 *db){ void *aStatic[16]; /* Starter space for aArg[]. No malloc required */ aArg = aStatic; - enterMutex(); /* Enter STATIC_MASTER mutex */ + enterMutex(); /* Enter STATIC_MAIN mutex */ /* This loop runs once for each entry in the blocked-connections list. */ for(pp=&sqlite3BlockedList; *pp; /* no-op */ ){ @@ -160964,7 +165870,7 @@ SQLITE_PRIVATE void sqlite3ConnectionUnlocked(sqlite3 *db){ }else{ /* This occurs when the array of context pointers that need to ** be passed to the unlock-notify callback is larger than the - ** aStatic[] array allocated on the stack and the attempt to + ** aStatic[] array allocated on the stack and the attempt to ** allocate a larger array from the heap has failed. ** ** This is a difficult situation to handle. Returning an error @@ -160972,17 +165878,17 @@ SQLITE_PRIVATE void sqlite3ConnectionUnlocked(sqlite3 *db){ ** is returned the transaction on connection db will still be ** closed and the unlock-notify callbacks on blocked connections ** will go unissued. This might cause the application to wait - ** indefinitely for an unlock-notify callback that will never + ** indefinitely for an unlock-notify callback that will never ** arrive. ** ** Instead, invoke the unlock-notify callback with the context ** array already accumulated. We can then clear the array and - ** begin accumulating any further context pointers without + ** begin accumulating any further context pointers without ** requiring any dynamic allocation. This is sub-optimal because ** it means that instead of one callback with a large array of ** context pointers the application will receive two or more ** callbacks with smaller arrays of context pointers, which will - ** reduce the applications ability to prioritize multiple + ** reduce the applications ability to prioritize multiple ** connections. But it is the best that can be done under the ** circumstances. */ @@ -161013,11 +165919,11 @@ SQLITE_PRIVATE void sqlite3ConnectionUnlocked(sqlite3 *db){ xUnlockNotify(aArg, nArg); } sqlite3_free(aDyn); - leaveMutex(); /* Leave STATIC_MASTER mutex */ + leaveMutex(); /* Leave STATIC_MAIN mutex */ } /* -** This is called when the database connection passed as an argument is +** This is called when the database connection passed as an argument is ** being closed. The connection is removed from the blocked list. */ SQLITE_PRIVATE void sqlite3ConnectionClosed(sqlite3 *db){ @@ -161094,7 +166000,7 @@ SQLITE_PRIVATE void sqlite3ConnectionClosed(sqlite3 *db){ ** A doclist (document list) holds a docid-sorted list of hits for a ** given term. Doclists hold docids and associated token positions. ** A docid is the unique integer identifier for a single document. -** A position is the index of a word within the document. The first +** A position is the index of a word within the document. The first ** word of the document has a position of 0. ** ** FTS3 used to optionally store character offsets using a compile-time @@ -161119,7 +166025,7 @@ SQLITE_PRIVATE void sqlite3ConnectionClosed(sqlite3 *db){ ** ** Here, array { X } means zero or more occurrences of X, adjacent in ** memory. A "position" is an index of a token in the token stream -** generated by the tokenizer. Note that POS_END and POS_COLUMN occur +** generated by the tokenizer. Note that POS_END and POS_COLUMN occur ** in the same logical place as the position element, and act as sentinals ** ending a position list array. POS_END is 0. POS_COLUMN is 1. ** The positions numbers are not stored literally but rather as two more @@ -161143,7 +166049,7 @@ SQLITE_PRIVATE void sqlite3ConnectionClosed(sqlite3 *db){ ** a document record consists of a docid followed by a position-list and ** a doclist consists of one or more document records. ** -** A bare doclist omits the position information, becoming an +** A bare doclist omits the position information, becoming an ** array of varint-encoded docids. ** **** Segment leaf nodes **** @@ -161339,7 +166245,7 @@ SQLITE_PRIVATE void sqlite3ConnectionClosed(sqlite3 *db){ #ifndef _FTSINT_H #define _FTSINT_H -#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) +#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) # define NDEBUG 1 #endif @@ -161362,7 +166268,7 @@ SQLITE_PRIVATE void sqlite3ConnectionClosed(sqlite3 *db){ /* If not building as part of the core, include sqlite3ext.h. */ #ifndef SQLITE_CORE -/* # include "sqlite3ext.h" */ +/* # include "sqlite3ext.h" */ SQLITE_EXTENSION_INIT3 #endif @@ -161406,7 +166312,7 @@ SQLITE_EXTENSION_INIT3 ** When an fts3 table is created, it passes any arguments passed to ** the tokenizer clause of the CREATE VIRTUAL TABLE statement to the ** sqlite3_tokenizer_module.xCreate() function of the requested tokenizer -** implementation. The xCreate() function in turn returns an +** implementation. The xCreate() function in turn returns an ** sqlite3_tokenizer structure representing the specific tokenizer to ** be used for the fts3 table (customized by the tokenizer clause arguments). ** @@ -161438,7 +166344,7 @@ struct sqlite3_tokenizer_module { ** then argc is set to 2, and the argv[] array contains pointers ** to the strings "arg1" and "arg2". ** - ** This method should return either SQLITE_OK (0), or an SQLite error + ** This method should return either SQLITE_OK (0), or an SQLite error ** code. If SQLITE_OK is returned, then *ppTokenizer should be set ** to point at the newly created tokenizer structure. The generic ** sqlite3_tokenizer.pModule variable should not be initialized by @@ -161459,7 +166365,7 @@ struct sqlite3_tokenizer_module { /* ** Create a tokenizer cursor to tokenize an input buffer. The caller ** is responsible for ensuring that the input buffer remains valid - ** until the cursor is closed (using the xClose() method). + ** until the cursor is closed (using the xClose() method). */ int (*xOpen)( sqlite3_tokenizer *pTokenizer, /* Tokenizer object */ @@ -161468,7 +166374,7 @@ struct sqlite3_tokenizer_module { ); /* - ** Destroy an existing tokenizer cursor. The fts3 module calls this + ** Destroy an existing tokenizer cursor. The fts3 module calls this ** method exactly once for each successful call to xOpen(). */ int (*xClose)(sqlite3_tokenizer_cursor *pCursor); @@ -161479,7 +166385,7 @@ struct sqlite3_tokenizer_module { ** "OUT" variables identified below, or SQLITE_DONE to indicate that ** the end of the buffer has been reached, or an SQLite error code. ** - ** *ppToken should be set to point at a buffer containing the + ** *ppToken should be set to point at a buffer containing the ** normalized version of the token (i.e. after any case-folding and/or ** stemming has been performed). *pnBytes should be set to the length ** of this buffer in bytes. The input text that generated the token is @@ -161491,7 +166397,7 @@ struct sqlite3_tokenizer_module { ** ** The buffer *ppToken is set to point at is managed by the tokenizer ** implementation. It is only required to be valid until the next call - ** to xNext() or xClose(). + ** to xNext() or xClose(). */ /* TODO(shess) current implementation requires pInput to be ** nul-terminated. This should either be fixed, or pInput/nBytes @@ -161509,7 +166415,7 @@ struct sqlite3_tokenizer_module { ** Methods below this point are only available if iVersion>=1. */ - /* + /* ** Configure the language id of a tokenizer cursor. */ int (*xLanguageid)(sqlite3_tokenizer_cursor *pCsr, int iLangid); @@ -161578,7 +166484,7 @@ struct Fts3Hash { } *ht; }; -/* Each element in the hash table is an instance of the following +/* Each element in the hash table is an instance of the following ** structure. All elements are stored on a single doubly-linked list. ** ** Again, this structure is intended to be opaque, but it can't really @@ -161597,10 +166503,10 @@ struct Fts3HashElem { ** (including the null-terminator, if any). Case ** is respected in comparisons. ** -** FTS3_HASH_BINARY pKey points to binary data nKey bytes long. +** FTS3_HASH_BINARY pKey points to binary data nKey bytes long. ** memcmp() is used to compare keys. ** -** A copy of the key is made if the copyKey parameter to fts3HashInit is 1. +** A copy of the key is made if the copyKey parameter to fts3HashInit is 1. */ #define FTS3_HASH_STRING 1 #define FTS3_HASH_BINARY 2 @@ -161653,7 +166559,7 @@ SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem(const Fts3Hash *, const voi /* ** This constant determines the maximum depth of an FTS expression tree -** that the library will create and use. FTS uses recursion to perform +** that the library will create and use. FTS uses recursion to perform ** various operations on the query tree, so the disadvantage of a large ** limit is that it may allow very large queries to use large amounts ** of stack space (perhaps causing a stack overflow). @@ -161671,11 +166577,11 @@ SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem(const Fts3Hash *, const voi #define FTS3_MERGE_COUNT 16 /* -** This is the maximum amount of data (in bytes) to store in the +** This is the maximum amount of data (in bytes) to store in the ** Fts3Table.pendingTerms hash table. Normally, the hash table is ** populated as documents are inserted/updated/deleted in a transaction ** and used to create a new segment when the transaction is committed. -** However if this limit is reached midway through a transaction, a new +** However if this limit is reached midway through a transaction, a new ** segment is created and the hash table cleared immediately. */ #define FTS3_MAX_PENDING_DATA (1*1024*1024) @@ -161706,7 +166612,7 @@ SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem(const Fts3Hash *, const voi /* ** FTS4 virtual tables may maintain multiple indexes - one index of all terms ** in the document set and zero or more prefix indexes. All indexes are stored -** as one or more b+-trees in the %_segments and %_segdir tables. +** as one or more b+-trees in the %_segments and %_segdir tables. ** ** It is possible to determine which index a b+-tree belongs to based on the ** value stored in the "%_segdir.level" column. Given this value L, the index @@ -161714,8 +166620,8 @@ SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem(const Fts3Hash *, const voi ** level values between 0 and 1023 (inclusive) belong to index 0, all levels ** between 1024 and 2047 to index 1, and so on. ** -** It is considered impossible for an index to use more than 1024 levels. In -** theory though this may happen, but only after at least +** It is considered impossible for an index to use more than 1024 levels. In +** theory though this may happen, but only after at least ** (FTS3_MERGE_COUNT^1024) separate flushes of the pending-terms tables. */ #define FTS3_SEGDIR_MAXLEVEL 1024 @@ -161733,11 +166639,11 @@ SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem(const Fts3Hash *, const voi ** Terminator values for position-lists and column-lists. */ #define POS_COLUMN (1) /* Column-list terminator */ -#define POS_END (0) /* Position-list terminator */ +#define POS_END (0) /* Position-list terminator */ /* ** The assert_fts3_nc() macro is similar to the assert() macro, except that it -** is used for assert() conditions that are true only if it can be +** is used for assert() conditions that are true only if it can be ** guranteed that the database is not corrupt. */ #if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) @@ -161749,7 +166655,7 @@ SQLITE_API extern int sqlite3_fts3_may_be_corrupt; /* ** This section provides definitions to allow the -** FTS3 extension to be compiled outside of the +** FTS3 extension to be compiled outside of the ** amalgamation. */ #ifndef SQLITE_AMALGAMATION @@ -161787,7 +166693,7 @@ typedef sqlite3_int64 i64; /* 8-byte signed integer */ /* ** Activate assert() only if SQLITE_TEST is enabled. */ -#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) +#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) # define NDEBUG 1 #endif @@ -161802,6 +166708,11 @@ typedef sqlite3_int64 i64; /* 8-byte signed integer */ # define TESTONLY(X) #endif +#define LARGEST_INT64 (0xffffffff|(((i64)0x7fffffff)<<32)) +#define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64) + +#define deliberate_fall_through + #endif /* SQLITE_AMALGAMATION */ #ifdef SQLITE_DEBUG @@ -161845,9 +166756,10 @@ struct Fts3Table { char *zLanguageid; /* languageid=xxx option, or NULL */ int nAutoincrmerge; /* Value configured by 'automerge' */ u32 nLeafAdd; /* Number of leaf blocks added this trans */ + int bLock; /* Used to prevent recursive content= tbls */ - /* Precompiled statements used by the implementation. Each of these - ** statements is run and reset within a single virtual table API call. + /* Precompiled statements used by the implementation. Each of these + ** statements is run and reset within a single virtual table API call. */ sqlite3_stmt *aStmt[40]; sqlite3_stmt *pSeekStmt; /* Cache for fts3CursorSeekStmt() */ @@ -161865,8 +166777,8 @@ struct Fts3Table { char *zSegmentsTbl; /* Name of %_segments table */ sqlite3_blob *pSegments; /* Blob handle open on %_segments table */ - /* - ** The following array of hash tables is used to buffer pending index + /* + ** The following array of hash tables is used to buffer pending index ** updates during transactions. All pending updates buffered at any one ** time must share a common language-id (see the FTS4 langid= feature). ** The current language id is stored in variable iPrevLangid. @@ -161876,10 +166788,10 @@ struct Fts3Table { ** terms that appear in the document set. Each subsequent index in aIndex[] ** is an index of prefixes of a specific length. ** - ** Variable nPendingData contains an estimate the memory consumed by the + ** Variable nPendingData contains an estimate the memory consumed by the ** pending data structures, including hash table overhead, but not including ** malloc overhead. When nPendingData exceeds nMaxPendingData, all hash - ** tables are flushed to disk. Variable iPrevDocid is the docid of the most + ** tables are flushed to disk. Variable iPrevDocid is the docid of the most ** recently inserted record. */ int nIndex; /* Size of aIndex[] */ @@ -161903,13 +166815,23 @@ struct Fts3Table { int mxSavepoint; /* Largest valid xSavepoint integer */ #endif -#ifdef SQLITE_TEST +#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) /* True to disable the incremental doclist optimization. This is controled ** by special insert command 'test-no-incr-doclist'. */ int bNoIncrDoclist; + + /* Number of segments in a level */ + int nMergeCount; #endif }; +/* Macro to find the number of segments to merge */ +#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) +# define MergeCount(P) ((P)->nMergeCount) +#else +# define MergeCount(P) FTS3_MERGE_COUNT +#endif + /* ** When the core wants to read from the virtual table, it creates a ** virtual table cursor (an instance of the following structure) using @@ -161952,10 +166874,10 @@ struct Fts3Cursor { ** ** CREATE VIRTUAL TABLE ex1 USING fts3(a,b,c,d); ** SELECT docid FROM ex1 WHERE b MATCH 'one two three'; -** +** ** Because the LHS of the MATCH operator is 2nd column "b", ** Fts3Cursor.eSearch will be set to FTS3_FULLTEXT_SEARCH+1. (+0 for a, -** +1 for b, +2 for c, +3 for d.) If the LHS of MATCH were "ex1" +** +1 for b, +2 for c, +3 for d.) If the LHS of MATCH were "ex1" ** indicating that all columns should be searched, ** then eSearch would be set to FTS3_FULLTEXT_SEARCH+4. */ @@ -162014,8 +166936,8 @@ struct Fts3Phrase { char *pOrPoslist; i64 iOrDocid; - /* Variables below this point are populated by fts3_expr.c when parsing - ** a MATCH expression. Everything above is part of the evaluation phase. + /* Variables below this point are populated by fts3_expr.c when parsing + ** a MATCH expression. Everything above is part of the evaluation phase. */ int nToken; /* Number of tokens in the phrase */ int iColumn; /* Index of column this phrase must match */ @@ -162025,10 +166947,10 @@ struct Fts3Phrase { /* ** A tree of these objects forms the RHS of a MATCH operator. ** -** If Fts3Expr.eType is FTSQUERY_PHRASE and isLoaded is true, then aDoclist -** points to a malloced buffer, size nDoclist bytes, containing the results -** of this phrase query in FTS3 doclist format. As usual, the initial -** "Length" field found in doclists stored on disk is omitted from this +** If Fts3Expr.eType is FTSQUERY_PHRASE and isLoaded is true, then aDoclist +** points to a malloced buffer, size nDoclist bytes, containing the results +** of this phrase query in FTS3 doclist format. As usual, the initial +** "Length" field found in doclists stored on disk is omitted from this ** buffer. ** ** Variable aMI is used only for FTSQUERY_NEAR nodes to store the global @@ -162040,7 +166962,7 @@ struct Fts3Phrase { ** aMI[iCol*3 + 1] = Number of occurrences ** aMI[iCol*3 + 2] = Number of rows containing at least one instance ** -** The aMI array is allocated using sqlite3_malloc(). It should be freed +** The aMI array is allocated using sqlite3_malloc(). It should be freed ** when the expression node is. */ struct Fts3Expr { @@ -162064,7 +166986,7 @@ struct Fts3Expr { /* ** Candidate values for Fts3Query.eType. Note that the order of the first -** four values is in order of precedence when parsing expressions. For +** four values is in order of precedence when parsing expressions. For ** example, the following: ** ** "a OR b AND c NOT d NEAR e" @@ -162121,7 +167043,7 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStart(Fts3Table*, Fts3MultiSegReader*, Ft SQLITE_PRIVATE int sqlite3Fts3SegReaderStep(Fts3Table *, Fts3MultiSegReader *); SQLITE_PRIVATE void sqlite3Fts3SegReaderFinish(Fts3MultiSegReader *); -SQLITE_PRIVATE int sqlite3Fts3SegReaderCursor(Fts3Table *, +SQLITE_PRIVATE int sqlite3Fts3SegReaderCursor(Fts3Table *, int, int, int, const char *, int, int, int, Fts3MultiSegReader *); /* Flags allowed as part of the 4th argument to SegmentReaderIterate() */ @@ -162173,6 +167095,8 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table*,int,int); SQLITE_PRIVATE void sqlite3Fts3ErrMsg(char**,const char*,...); SQLITE_PRIVATE int sqlite3Fts3PutVarint(char *, sqlite3_int64); SQLITE_PRIVATE int sqlite3Fts3GetVarint(const char *, sqlite_int64 *); +SQLITE_PRIVATE int sqlite3Fts3GetVarintU(const char *, sqlite_uint64 *); +SQLITE_PRIVATE int sqlite3Fts3GetVarintBounded(const char*,const char*,sqlite3_int64*); SQLITE_PRIVATE int sqlite3Fts3GetVarint32(const char *, int *); SQLITE_PRIVATE int sqlite3Fts3VarintLen(sqlite3_uint64); SQLITE_PRIVATE void sqlite3Fts3Dequote(char *); @@ -162181,11 +167105,12 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhraseStats(Fts3Cursor *, Fts3Expr *, u32 *); SQLITE_PRIVATE int sqlite3Fts3FirstFilter(sqlite3_int64, char *, int, char *); SQLITE_PRIVATE void sqlite3Fts3CreateStatTable(int*, Fts3Table*); SQLITE_PRIVATE int sqlite3Fts3EvalTestDeferred(Fts3Cursor *pCsr, int *pRc); +SQLITE_PRIVATE int sqlite3Fts3ReadInt(const char *z, int *pnOut); /* fts3_tokenizer.c */ SQLITE_PRIVATE const char *sqlite3Fts3NextToken(const char *, int *); SQLITE_PRIVATE int sqlite3Fts3InitHashTable(sqlite3 *, Fts3Hash *, const char *); -SQLITE_PRIVATE int sqlite3Fts3InitTokenizer(Fts3Hash *pHash, const char *, +SQLITE_PRIVATE int sqlite3Fts3InitTokenizer(Fts3Hash *pHash, const char *, sqlite3_tokenizer **, char ** ); SQLITE_PRIVATE int sqlite3Fts3IsIdChar(char); @@ -162221,7 +167146,7 @@ SQLITE_PRIVATE int sqlite3Fts3MsrIncrStart( Fts3Table*, Fts3MultiSegReader*, int, const char*, int); SQLITE_PRIVATE int sqlite3Fts3MsrIncrNext( Fts3Table *, Fts3MultiSegReader *, sqlite3_int64 *, char **, int *); -SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist(Fts3Cursor *, Fts3Expr *, int iCol, char **); +SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist(Fts3Cursor *, Fts3Expr *, int iCol, char **); SQLITE_PRIVATE int sqlite3Fts3MsrOvfl(Fts3Cursor *, Fts3MultiSegReader *, int *); SQLITE_PRIVATE int sqlite3Fts3MsrIncrRestart(Fts3MultiSegReader *pCsr); @@ -162254,23 +167179,11 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeIsdiacritic(int); /* #include <stdarg.h> */ /* #include "fts3.h" */ -#ifndef SQLITE_CORE +#ifndef SQLITE_CORE /* # include "sqlite3ext.h" */ SQLITE_EXTENSION_INIT1 #endif -/* -** The following are copied from sqliteInt.h. -** -** Constants for the largest and smallest possible 64-bit signed integers. -** These macros are designed to work correctly on both 32-bit and 64-bit -** compilers. -*/ -#ifndef SQLITE_AMALGAMATION -# define LARGEST_INT64 (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32)) -# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64) -#endif - static int fts3EvalNext(Fts3Cursor *pCsr); static int fts3EvalStart(Fts3Cursor *pCsr); static int fts3TermSegReaderCursor( @@ -162291,7 +167204,7 @@ SQLITE_PRIVATE int sqlite3Fts3Never(int b) { assert( !b ); return b; } */ SQLITE_API int sqlite3_fts3_may_be_corrupt = 1; -/* +/* ** Write a 64-bit variable-length integer to memory starting at p[0]. ** The length of data written will be between 1 and FTS3_VARINT_MAX bytes. ** The number of bytes written is returned. @@ -162315,12 +167228,7 @@ SQLITE_PRIVATE int sqlite3Fts3PutVarint(char *p, sqlite_int64 v){ v = (*ptr++); \ if( (v & mask2)==0 ){ var = v; return ret; } -/* -** Read a 64-bit variable-length integer from memory starting at p[0]. -** Return the number of bytes read, or 0 on error. -** The value is stored in *v. -*/ -SQLITE_PRIVATE int sqlite3Fts3GetVarint(const char *pBuf, sqlite_int64 *v){ +SQLITE_PRIVATE int sqlite3Fts3GetVarintU(const char *pBuf, sqlite_uint64 *v){ const unsigned char *p = (const unsigned char*)pBuf; const unsigned char *pStart = p; u32 a; @@ -162343,7 +167251,42 @@ SQLITE_PRIVATE int sqlite3Fts3GetVarint(const char *pBuf, sqlite_int64 *v){ } /* -** Similar to sqlite3Fts3GetVarint(), except that the output is truncated to +** Read a 64-bit variable-length integer from memory starting at p[0]. +** Return the number of bytes read, or 0 on error. +** The value is stored in *v. +*/ +SQLITE_PRIVATE int sqlite3Fts3GetVarint(const char *pBuf, sqlite_int64 *v){ + return sqlite3Fts3GetVarintU(pBuf, (sqlite3_uint64*)v); +} + +/* +** Read a 64-bit variable-length integer from memory starting at p[0] and +** not extending past pEnd[-1]. +** Return the number of bytes read, or 0 on error. +** The value is stored in *v. +*/ +SQLITE_PRIVATE int sqlite3Fts3GetVarintBounded( + const char *pBuf, + const char *pEnd, + sqlite_int64 *v +){ + const unsigned char *p = (const unsigned char*)pBuf; + const unsigned char *pStart = p; + const unsigned char *pX = (const unsigned char*)pEnd; + u64 b = 0; + int shift; + for(shift=0; shift<=63; shift+=7){ + u64 c = p<pX ? *p : 0; + p++; + b += (c&0x7F) << shift; + if( (c & 0x80)==0 ) break; + } + *v = b; + return (int)(p - pStart); +} + +/* +** Similar to sqlite3Fts3GetVarint(), except that the output is truncated to ** a non-negative 32-bit integer before it is returned. */ SQLITE_PRIVATE int sqlite3Fts3GetVarint32(const char *p, int *pi){ @@ -162402,7 +167345,7 @@ SQLITE_PRIVATE void sqlite3Fts3Dequote(char *z){ int iOut = 0; /* Index of next byte to write to output */ /* If the first byte was a '[', then the close-quote character is a ']' */ - if( quote=='[' ) quote = ']'; + if( quote=='[' ) quote = ']'; while( z[iIn] ){ if( z[iIn]==quote ){ @@ -162438,14 +167381,14 @@ static void fts3GetDeltaVarint(char **pp, sqlite3_int64 *pVal){ ** varint is part of. */ static void fts3GetReverseVarint( - char **pp, - char *pStart, + char **pp, + char *pStart, sqlite3_int64 *pVal ){ sqlite3_int64 iVal; char *p; - /* Pointer p now points at the first byte past the varint we are + /* Pointer p now points at the first byte past the varint we are ** interested in. So, unless the doclist is corrupt, the 0x80 bit is ** clear on character p[-1]. */ for(p = (*pp)-2; p>=pStart && *p&0x80; p--); @@ -162532,7 +167475,7 @@ static int fts3DestroyMethod(sqlite3_vtab *pVtab){ sqlite3 *db = p->db; /* Database handle */ /* Drop the shadow tables */ - fts3DbExec(&rc, db, + fts3DbExec(&rc, db, "DROP TABLE IF EXISTS %Q.'%q_segments';" "DROP TABLE IF EXISTS %Q.'%q_segdir';" "DROP TABLE IF EXISTS %Q.'%q_docsize';" @@ -162558,7 +167501,7 @@ static int fts3DestroyMethod(sqlite3_vtab *pVtab){ ** passed as the first argument. This is done as part of the xConnect() ** and xCreate() methods. ** -** If *pRc is non-zero when this function is called, it is a no-op. +** If *pRc is non-zero when this function is called, it is a no-op. ** Otherwise, if an error occurs, an SQLite error code is stored in *pRc ** before returning. */ @@ -162581,7 +167524,7 @@ static void fts3DeclareVtab(int *pRc, Fts3Table *p){ /* Create the whole "CREATE TABLE" statement to pass to SQLite */ zSql = sqlite3_mprintf( - "CREATE TABLE x(%s %Q HIDDEN, docid HIDDEN, %Q HIDDEN)", + "CREATE TABLE x(%s %Q HIDDEN, docid HIDDEN, %Q HIDDEN)", zCols, p->zName, zLanguageid ); if( !zCols || !zSql ){ @@ -162600,7 +167543,7 @@ static void fts3DeclareVtab(int *pRc, Fts3Table *p){ ** Create the %_stat table if it does not already exist. */ SQLITE_PRIVATE void sqlite3Fts3CreateStatTable(int *pRc, Fts3Table *p){ - fts3DbExec(pRc, p->db, + fts3DbExec(pRc, p->db, "CREATE TABLE IF NOT EXISTS %Q.'%q_stat'" "(id INTEGER PRIMARY KEY, value BLOB);", p->zDb, p->zName @@ -162636,9 +167579,9 @@ static int fts3CreateTables(Fts3Table *p){ zContentCols = sqlite3_mprintf("%z, langid", zContentCols, zLanguageid); } if( zContentCols==0 ) rc = SQLITE_NOMEM; - + /* Create the content table */ - fts3DbExec(&rc, db, + fts3DbExec(&rc, db, "CREATE TABLE %Q.'%q_content'(%s)", p->zDb, p->zName, zContentCols ); @@ -162646,11 +167589,11 @@ static int fts3CreateTables(Fts3Table *p){ } /* Create other tables */ - fts3DbExec(&rc, db, + fts3DbExec(&rc, db, "CREATE TABLE %Q.'%q_segments'(blockid INTEGER PRIMARY KEY, block BLOB);", p->zDb, p->zName ); - fts3DbExec(&rc, db, + fts3DbExec(&rc, db, "CREATE TABLE %Q.'%q_segdir'(" "level INTEGER," "idx INTEGER," @@ -162663,7 +167606,7 @@ static int fts3CreateTables(Fts3Table *p){ p->zDb, p->zName ); if( p->bHasDocsize ){ - fts3DbExec(&rc, db, + fts3DbExec(&rc, db, "CREATE TABLE %Q.'%q_docsize'(docid INTEGER PRIMARY KEY, size BLOB);", p->zDb, p->zName ); @@ -162678,7 +167621,7 @@ static int fts3CreateTables(Fts3Table *p){ /* ** Store the current database page-size in bytes in p->nPgsz. ** -** If *pRc is non-zero when this function is called, it is a no-op. +** If *pRc is non-zero when this function is called, it is a no-op. ** Otherwise, if an error occurs, an SQLite error code is stored in *pRc ** before returning. */ @@ -162687,7 +167630,7 @@ static void fts3DatabasePageSize(int *pRc, Fts3Table *p){ int rc; /* Return code */ char *zSql; /* SQL text "PRAGMA %Q.page_size" */ sqlite3_stmt *pStmt; /* Compiled "PRAGMA %Q.page_size" statement */ - + zSql = sqlite3_mprintf("PRAGMA %Q.page_size", p->zDb); if( !zSql ){ rc = SQLITE_NOMEM; @@ -162713,11 +167656,11 @@ static void fts3DatabasePageSize(int *pRc, Fts3Table *p){ ** ** <key> = <value> ** -** There may not be whitespace surrounding the "=" character. The <value> +** There may not be whitespace surrounding the "=" character. The <value> ** term may be quoted, but the <key> may not. */ static int fts3IsSpecialColumn( - const char *z, + const char *z, int *pnKey, char **pzValue ){ @@ -162794,7 +167737,7 @@ static char *fts3QuoteId(char const *zInput){ } /* -** Return a list of comma separated SQL expressions and a FROM clause that +** Return a list of comma separated SQL expressions and a FROM clause that ** could be used in a SELECT statement such as the following: ** ** SELECT <list of expressions> FROM %_content AS x ... @@ -162845,7 +167788,7 @@ static char *fts3ReadExprList(Fts3Table *p, const char *zFunc, int *pRc){ fts3Appendf(pRc, &zRet, ", x.%Q", p->zLanguageid); } } - fts3Appendf(pRc, &zRet, " FROM '%q'.'%q%s' AS x", + fts3Appendf(pRc, &zRet, " FROM '%q'.'%q%s' AS x", p->zDb, (p->zContentTbl ? p->zContentTbl : p->zName), (p->zContentTbl ? "" : "_content") @@ -162860,7 +167803,7 @@ static char *fts3ReadExprList(Fts3Table *p, const char *zFunc, int *pRc){ ** ** If argument zFunc is not NULL, then all but the first question mark ** is preceded by zFunc and an open bracket, and followed by a closed -** bracket. For example, if zFunc is "zip" and the FTS3 table has three +** bracket. For example, if zFunc is "zip" and the FTS3 table has three ** user-defined text columns, the following string is returned: ** ** "?, zip(?), zip(?), zip(?)" @@ -162896,12 +167839,28 @@ static char *fts3WriteExprList(Fts3Table *p, const char *zFunc, int *pRc){ } /* +** Buffer z contains a positive integer value encoded as utf-8 text. +** Decode this value and store it in *pnOut, returning the number of bytes +** consumed. If an overflow error occurs return a negative value. +*/ +SQLITE_PRIVATE int sqlite3Fts3ReadInt(const char *z, int *pnOut){ + u64 iVal = 0; + int i; + for(i=0; z[i]>='0' && z[i]<='9'; i++){ + iVal = iVal*10 + (z[i] - '0'); + if( iVal>0x7FFFFFFF ) return -1; + } + *pnOut = (int)iVal; + return i; +} + +/* ** This function interprets the string at (*pp) as a non-negative integer -** value. It reads the integer and sets *pnOut to the value read, then +** value. It reads the integer and sets *pnOut to the value read, then ** sets *pp to point to the byte immediately following the last byte of ** the integer value. ** -** Only decimal digits ('0'..'9') may be part of an integer value. +** Only decimal digits ('0'..'9') may be part of an integer value. ** ** If *pp does not being with a decimal digit SQLITE_ERROR is returned and ** the output value undefined. Otherwise SQLITE_OK is returned. @@ -162910,19 +167869,17 @@ static char *fts3WriteExprList(Fts3Table *p, const char *zFunc, int *pRc){ */ static int fts3GobbleInt(const char **pp, int *pnOut){ const int MAX_NPREFIX = 10000000; - const char *p; /* Iterator pointer */ int nInt = 0; /* Output value */ - - for(p=*pp; p[0]>='0' && p[0]<='9'; p++){ - nInt = nInt * 10 + (p[0] - '0'); - if( nInt>MAX_NPREFIX ){ - nInt = 0; - break; - } + int nByte; + nByte = sqlite3Fts3ReadInt(*pp, &nInt); + if( nInt>MAX_NPREFIX ){ + nInt = 0; + } + if( nByte==0 ){ + return SQLITE_ERROR; } - if( p==*pp ) return SQLITE_ERROR; *pnOut = nInt; - *pp = p; + *pp += nByte; return SQLITE_OK; } @@ -163022,7 +167979,7 @@ static int fts3ContentColumns( char **pzErr /* OUT: error message */ ){ int rc = SQLITE_OK; /* Return code */ - char *zSql; /* "SELECT *" statement on zTbl */ + char *zSql; /* "SELECT *" statement on zTbl */ sqlite3_stmt *pStmt = 0; /* Compiled version of zSql */ zSql = sqlite3_mprintf("SELECT * FROM %Q.%Q", zDb, zTbl); @@ -163164,9 +168121,9 @@ static int fts3InitVtab( char *zVal; /* Check if this is a tokenizer specification */ - if( !pTokenizer + if( !pTokenizer && strlen(z)>8 - && 0==sqlite3_strnicmp(z, "tokenize", 8) + && 0==sqlite3_strnicmp(z, "tokenize", 8) && 0==sqlite3Fts3IsIdChar(z[8]) ){ rc = sqlite3Fts3InitTokenizer(pHash, &z[9], &pTokenizer, pzErr); @@ -163226,8 +168183,8 @@ static int fts3InitVtab( break; case 4: /* ORDER */ - if( (strlen(zVal)!=3 || sqlite3_strnicmp(zVal, "asc", 3)) - && (strlen(zVal)!=4 || sqlite3_strnicmp(zVal, "desc", 4)) + if( (strlen(zVal)!=3 || sqlite3_strnicmp(zVal, "asc", 3)) + && (strlen(zVal)!=4 || sqlite3_strnicmp(zVal, "desc", 4)) ){ sqlite3Fts3ErrMsg(pzErr, "unrecognized order: %s", zVal); rc = SQLITE_ERROR; @@ -163278,17 +168235,17 @@ static int fts3InitVtab( ** TABLE statement, use all columns from the content table. */ if( rc==SQLITE_OK && zContent ){ - sqlite3_free(zCompress); - sqlite3_free(zUncompress); + sqlite3_free(zCompress); + sqlite3_free(zUncompress); zCompress = 0; zUncompress = 0; if( nCol==0 ){ - sqlite3_free((void*)aCol); + sqlite3_free((void*)aCol); aCol = 0; rc = fts3ContentColumns(db, argv[1], zContent,&aCol,&nCol,&nString,pzErr); /* If a languageid= option was specified, remove the language id - ** column from the aCol[] array. */ + ** column from the aCol[] array. */ if( rc==SQLITE_OK && zLanguageid ){ int j; for(j=0; j<nCol; j++){ @@ -163375,7 +168332,7 @@ static int fts3InitVtab( /* Fill in the azColumn array */ for(iCol=0; iCol<nCol; iCol++){ - char *z; + char *z; int n = 0; z = (char *)sqlite3Fts3NextToken(aCol[iCol], &n); if( n>0 ){ @@ -163394,7 +168351,7 @@ static int fts3InitVtab( for(i=0; i<nNotindexed; i++){ char *zNot = azNotindexed[i]; if( zNot && n==(int)strlen(zNot) - && 0==sqlite3_strnicmp(p->azColumn[iCol], zNot, n) + && 0==sqlite3_strnicmp(p->azColumn[iCol], zNot, n) ){ p->abNotindexed[iCol] = 1; sqlite3_free(zNot); @@ -163418,7 +168375,7 @@ static int fts3InitVtab( p->zWriteExprlist = fts3WriteExprList(p, zCompress, &rc); if( rc!=SQLITE_OK ) goto fts3_init_out; - /* If this is an xCreate call, create the underlying tables in the + /* If this is an xCreate call, create the underlying tables in the ** database. TODO: For xConnect(), it could verify that said tables exist. */ if( isCreate ){ @@ -163437,6 +168394,10 @@ static int fts3InitVtab( fts3DatabasePageSize(&rc, p); p->nNodeSize = p->nPgsz-35; +#if defined(SQLITE_DEBUG)||defined(SQLITE_TEST) + p->nMergeCount = FTS3_MERGE_COUNT; +#endif + /* Declare the table schema to SQLite. */ fts3DeclareVtab(&rc, p); @@ -163514,11 +168475,11 @@ static void fts3SetUniqueFlag(sqlite3_index_info *pIdxInfo){ #endif } -/* +/* ** Implementation of the xBestIndex method for FTS3 tables. There ** are three possible strategies, in order of preference: ** -** 1. Direct lookup by rowid or docid. +** 1. Direct lookup by rowid or docid. ** 2. Full-text search using a MATCH operator on a non-docid column. ** 3. Linear scan of %_content table. */ @@ -163532,8 +168493,12 @@ static int fts3BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ int iDocidLe = -1; /* Index of docid<=x constraint, if present */ int iIdx; + if( p->bLock ){ + return SQLITE_ERROR; + } + /* By default use a full table scan. This is an expensive option, - ** so search through the constraints to see if a more efficient + ** so search through the constraints to see if a more efficient ** strategy is possible. */ pInfo->idxNum = FTS3_FULLSCAN_SEARCH; @@ -163569,12 +168534,12 @@ static int fts3BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ ** ** If there is more than one MATCH constraint available, use the first ** one encountered. If there is both a MATCH constraint and a direct - ** rowid/docid lookup, prefer the MATCH strategy. This is done even + ** rowid/docid lookup, prefer the MATCH strategy. This is done even ** though the rowid/docid lookup is faster than a MATCH query, selecting - ** it would lead to an "unable to use function MATCH in the requested + ** it would lead to an "unable to use function MATCH in the requested ** context" error. */ - if( pCons->op==SQLITE_INDEX_CONSTRAINT_MATCH + if( pCons->op==SQLITE_INDEX_CONSTRAINT_MATCH && pCons->iColumn>=0 && pCons->iColumn<=p->nColumn ){ pInfo->idxNum = FTS3_FULLTEXT_SEARCH + pCons->iColumn; @@ -163583,7 +168548,7 @@ static int fts3BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ } /* Equality constraint on the langid column */ - if( pCons->op==SQLITE_INDEX_CONSTRAINT_EQ + if( pCons->op==SQLITE_INDEX_CONSTRAINT_EQ && pCons->iColumn==p->nColumn + 2 ){ iLangidCons = i; @@ -163611,22 +168576,22 @@ static int fts3BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ if( iCons>=0 ){ pInfo->aConstraintUsage[iCons].argvIndex = iIdx++; pInfo->aConstraintUsage[iCons].omit = 1; - } + } if( iLangidCons>=0 ){ pInfo->idxNum |= FTS3_HAVE_LANGID; pInfo->aConstraintUsage[iLangidCons].argvIndex = iIdx++; - } + } if( iDocidGe>=0 ){ pInfo->idxNum |= FTS3_HAVE_DOCID_GE; pInfo->aConstraintUsage[iDocidGe].argvIndex = iIdx++; - } + } if( iDocidLe>=0 ){ pInfo->idxNum |= FTS3_HAVE_DOCID_LE; pInfo->aConstraintUsage[iDocidLe].argvIndex = iIdx++; - } + } /* Regardless of the strategy selected, FTS can deliver rows in rowid (or - ** docid) order. Both ascending and descending are possible. + ** docid) order. Both ascending and descending are possible. */ if( pInfo->nOrderBy==1 ){ struct sqlite3_index_orderby *pOrder = &pInfo->aOrderBy[0]; @@ -163653,7 +168618,7 @@ static int fts3OpenMethod(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCsr){ UNUSED_PARAMETER(pVTab); /* Allocate a buffer large enough for an Fts3Cursor structure. If the - ** allocation succeeds, zero it and return SQLITE_OK. Otherwise, + ** allocation succeeds, zero it and return SQLITE_OK. Otherwise, ** if the allocation fails, return SQLITE_NOMEM. */ *ppCsr = pCsr = (sqlite3_vtab_cursor *)sqlite3_malloc(sizeof(Fts3Cursor)); @@ -163730,7 +168695,11 @@ static int fts3CursorSeekStmt(Fts3Cursor *pCsr){ }else{ zSql = sqlite3_mprintf("SELECT %s WHERE rowid = ?", p->zReadExprlist); if( !zSql ) return SQLITE_NOMEM; - rc = sqlite3_prepare_v3(p->db, zSql,-1,SQLITE_PREPARE_PERSISTENT,&pCsr->pStmt,0); + p->bLock++; + rc = sqlite3_prepare_v3( + p->db, zSql,-1,SQLITE_PREPARE_PERSISTENT,&pCsr->pStmt,0 + ); + p->bLock--; sqlite3_free(zSql); } if( rc==SQLITE_OK ) pCsr->bSeekStmt = 1; @@ -163741,18 +168710,22 @@ static int fts3CursorSeekStmt(Fts3Cursor *pCsr){ /* ** Position the pCsr->pStmt statement so that it is on the row ** of the %_content table that contains the last match. Return -** SQLITE_OK on success. +** SQLITE_OK on success. */ static int fts3CursorSeek(sqlite3_context *pContext, Fts3Cursor *pCsr){ int rc = SQLITE_OK; if( pCsr->isRequireSeek ){ rc = fts3CursorSeekStmt(pCsr); if( rc==SQLITE_OK ){ + Fts3Table *pTab = (Fts3Table*)pCsr->base.pVtab; + pTab->bLock++; sqlite3_bind_int64(pCsr->pStmt, 1, pCsr->iPrevId); pCsr->isRequireSeek = 0; if( SQLITE_ROW==sqlite3_step(pCsr->pStmt) ){ + pTab->bLock--; return SQLITE_OK; }else{ + pTab->bLock--; rc = sqlite3_reset(pCsr->pStmt); if( rc==SQLITE_OK && ((Fts3Table *)pCsr->base.pVtab)->zContentTbl==0 ){ /* If no row was found and no error has occurred, then the %_content @@ -163773,7 +168746,7 @@ static int fts3CursorSeek(sqlite3_context *pContext, Fts3Cursor *pCsr){ /* ** This function is used to process a single interior node when searching -** a b-tree for a term or term prefix. The node data is passed to this +** a b-tree for a term or term prefix. The node data is passed to this ** function via the zNode/nNode parameters. The term to search for is ** passed in zTerm/nTerm. ** @@ -163801,10 +168774,11 @@ static int fts3ScanInteriorNode( i64 nAlloc = 0; /* Size of allocated buffer */ int isFirstTerm = 1; /* True when processing first term on page */ sqlite3_int64 iChild; /* Block id of child node to descend to */ + int nBuffer = 0; /* Total term size */ - /* Skip over the 'height' varint that occurs at the start of every + /* Skip over the 'height' varint that occurs at the start of every ** interior node. Then load the blockid of the left-child of the b-tree - ** node into variable iChild. + ** node into variable iChild. ** ** Even if the data structure on disk is corrupted, this (reading two ** varints from the buffer) does not risk an overread. If zNode is a @@ -163820,21 +168794,24 @@ static int fts3ScanInteriorNode( if( zCsr>zEnd ){ return FTS_CORRUPT_VTAB; } - + while( zCsr<zEnd && (piFirst || piLast) ){ int cmp; /* memcmp() result */ int nSuffix; /* Size of term suffix */ int nPrefix = 0; /* Size of term prefix */ - int nBuffer; /* Total term size */ - + /* Load the next term on the node into zBuffer. Use realloc() to expand ** the size of zBuffer if required. */ if( !isFirstTerm ){ zCsr += fts3GetVarint32(zCsr, &nPrefix); + if( nPrefix>nBuffer ){ + rc = FTS_CORRUPT_VTAB; + goto finish_scan; + } } isFirstTerm = 0; zCsr += fts3GetVarint32(zCsr, &nSuffix); - + assert( nPrefix>=0 && nSuffix>=0 ); if( nPrefix>zCsr-zNode || nSuffix>zEnd-zCsr || nSuffix==0 ){ rc = FTS_CORRUPT_VTAB; @@ -163857,8 +168834,8 @@ static int fts3ScanInteriorNode( /* Compare the term we are searching for with the term just loaded from ** the interior node. If the specified term is greater than or equal - ** to the term from the interior node, then all terms on the sub-tree - ** headed by node iChild are smaller than zTerm. No need to search + ** to the term from the interior node, then all terms on the sub-tree + ** headed by node iChild are smaller than zTerm. No need to search ** iChild. ** ** If the interior node term is larger than the specified term, then @@ -163894,20 +168871,20 @@ static int fts3ScanInteriorNode( ** node for the range of leaf nodes that may contain the specified term ** or terms for which the specified term is a prefix. ** -** If piLeaf is not NULL, then *piLeaf is set to the blockid of the +** If piLeaf is not NULL, then *piLeaf is set to the blockid of the ** left-most leaf node in the tree that may contain the specified term. ** If piLeaf2 is not NULL, then *piLeaf2 is set to the blockid of the ** right-most leaf node that may contain a term for which the specified ** term is a prefix. ** -** It is possible that the range of returned leaf nodes does not contain -** the specified term or any terms for which it is a prefix. However, if the +** It is possible that the range of returned leaf nodes does not contain +** the specified term or any terms for which it is a prefix. However, if the ** segment does contain any such terms, they are stored within the identified ** range. Because this function only inspects interior segment nodes (and ** never loads leaf nodes into memory), it is not possible to be sure. ** ** If an error occurs, an error code other than SQLITE_OK is returned. -*/ +*/ static int fts3SelectLeaf( Fts3Table *p, /* Virtual table handle */ const char *zTerm, /* Term to select leaves for */ @@ -163924,7 +168901,7 @@ static int fts3SelectLeaf( fts3GetVarint32(zNode, &iHeight); rc = fts3ScanInteriorNode(zTerm, nTerm, zNode, nNode, piLeaf, piLeaf2); - assert( !piLeaf2 || !piLeaf || rc!=SQLITE_OK || (*piLeaf<=*piLeaf2) ); + assert_fts3_nc( !piLeaf2 || !piLeaf || rc!=SQLITE_OK || (*piLeaf<=*piLeaf2) ); if( rc==SQLITE_OK && iHeight>1 ){ char *zBlob = 0; /* Blob read from %_segments table */ @@ -163944,7 +168921,13 @@ static int fts3SelectLeaf( rc = sqlite3Fts3ReadBlock(p, piLeaf?*piLeaf:*piLeaf2, &zBlob, &nBlob, 0); } if( rc==SQLITE_OK ){ - rc = fts3SelectLeaf(p, zTerm, nTerm, zBlob, nBlob, piLeaf, piLeaf2); + int iNewHeight = 0; + fts3GetVarint32(zBlob, &iNewHeight); + if( iNewHeight>=iHeight ){ + rc = FTS_CORRUPT_VTAB; + }else{ + rc = fts3SelectLeaf(p, zTerm, nTerm, zBlob, nBlob, piLeaf, piLeaf2); + } } sqlite3_free(zBlob); } @@ -163953,7 +168936,7 @@ static int fts3SelectLeaf( } /* -** This function is used to create delta-encoded serialized lists of FTS3 +** This function is used to create delta-encoded serialized lists of FTS3 ** varints. Each call to this function appends a single varint to a list. */ static void fts3PutDeltaVarint( @@ -163961,17 +168944,17 @@ static void fts3PutDeltaVarint( sqlite3_int64 *piPrev, /* IN/OUT: Previous value written to list */ sqlite3_int64 iVal /* Write this value to the list */ ){ - assert( iVal-*piPrev > 0 || (*piPrev==0 && iVal==0) ); + assert_fts3_nc( iVal-*piPrev > 0 || (*piPrev==0 && iVal==0) ); *pp += sqlite3Fts3PutVarint(*pp, iVal-*piPrev); *piPrev = iVal; } /* -** When this function is called, *ppPoslist is assumed to point to the +** When this function is called, *ppPoslist is assumed to point to the ** start of a position-list. After it returns, *ppPoslist points to the ** first byte after the position-list. ** -** A position list is list of positions (delta encoded) and columns for +** A position list is list of positions (delta encoded) and columns for ** a single document record of a doclist. So, in other words, this ** routine advances *ppPoslist so that it points to the next docid in ** the doclist, or to the first byte past the end of the doclist. @@ -163984,12 +168967,12 @@ static void fts3PoslistCopy(char **pp, char **ppPoslist){ char *pEnd = *ppPoslist; char c = 0; - /* The end of a position list is marked by a zero encoded as an FTS3 + /* The end of a position list is marked by a zero encoded as an FTS3 ** varint. A single POS_END (0) byte. Except, if the 0 byte is preceded by ** a byte with the 0x80 bit set, then it is not a varint 0, but the tail ** of some other, multi-byte, value. ** - ** The following while-loop moves pEnd to point to the first byte that is not + ** The following while-loop moves pEnd to point to the first byte that is not ** immediately preceded by a byte with the 0x80 bit set. Then increments ** pEnd once more so that it points to the byte immediately following the ** last byte in the position-list. @@ -164011,7 +168994,7 @@ static void fts3PoslistCopy(char **pp, char **ppPoslist){ } /* -** When this function is called, *ppPoslist is assumed to point to the +** When this function is called, *ppPoslist is assumed to point to the ** start of a column-list. After it returns, *ppPoslist points to the ** to the terminator (POS_COLUMN or POS_END) byte of the column-list. ** @@ -164062,7 +169045,7 @@ static void fts3ColumnlistCopy(char **pp, char **ppPoslist){ ** (in which case **pp will be a terminator bytes POS_END (0) or ** (1)). ** -** If *pp points past the end of the current position-list, set *pi to +** If *pp points past the end of the current position-list, set *pi to ** POSITION_LIST_END and return. Otherwise, read the next varint from *pp, ** increment the current value of *pi by the value read, and set *pp to ** point to the next value before returning. @@ -164078,7 +169061,9 @@ static void fts3ReadNextPos( sqlite3_int64 *pi /* IN/OUT: Value read from position-list */ ){ if( (**pp)&0xFE ){ - fts3GetDeltaVarint(pp, pi); + int iVal; + *pp += fts3GetVarint32((*pp), &iVal); + *pi += iVal; *pi -= 2; }else{ *pi = POSITION_LIST_END; @@ -164090,7 +169075,7 @@ static void fts3ReadNextPos( ** the value of iCol encoded as a varint to *pp. This will start a new ** column list. ** -** Set *pp to point to the byte just after the last byte written before +** Set *pp to point to the byte just after the last byte written before ** returning (do not modify it if iCol==0). Return the total number of bytes ** written (0 if iCol==0). */ @@ -164125,7 +169110,7 @@ static int fts3PoslistMerge( int iCol1; /* The current column index in pp1 */ int iCol2; /* The current column index in pp2 */ - if( *p1==POS_COLUMN ){ + if( *p1==POS_COLUMN ){ fts3GetVarint32(&p1[1], &iCol1); if( iCol1==0 ) return FTS_CORRUPT_VTAB; } @@ -164149,7 +169134,7 @@ static int fts3PoslistMerge( /* At this point, both p1 and p2 point to the start of column-lists ** for the same column (the column with index iCol1 and iCol2). - ** A column-list is a list of non-negative delta-encoded varints, each + ** A column-list is a list of non-negative delta-encoded varints, each ** incremented by 2 before being stored. Each list is terminated by a ** POS_END (0) or POS_COLUMN (1). The following block merges the two lists ** and writes the results to buffer p. p is left pointing to the byte @@ -164158,8 +169143,11 @@ static int fts3PoslistMerge( */ fts3GetDeltaVarint(&p1, &i1); fts3GetDeltaVarint(&p2, &i2); + if( i1<2 || i2<2 ){ + break; + } do { - fts3PutDeltaVarint(&p, &iPrev, (i1<i2) ? i1 : i2); + fts3PutDeltaVarint(&p, &iPrev, (i1<i2) ? i1 : i2); iPrev -= 2; if( i1==i2 ){ fts3ReadNextPos(&p1, &i1); @@ -164201,7 +169189,7 @@ static int fts3PoslistMerge( ** When this function returns, both *pp1 and *pp2 are left pointing to the ** byte following the 0x00 terminator of their respective position lists. ** -** If isSaveLeft is 0, an entry is added to the output position list for +** If isSaveLeft is 0, an entry is added to the output position list for ** each position in *pp2 for which there exists one or more positions in ** *pp1 so that (pos(*pp2)>pos(*pp1) && pos(*pp2)-pos(*pp1)<=nToken). i.e. ** when the *pp1 token appears before the *pp2 token, but not more than nToken @@ -164226,12 +169214,12 @@ static int fts3PoslistPhraseMerge( /* Never set both isSaveLeft and isExact for the same invocation. */ assert( isSaveLeft==0 || isExact==0 ); - assert( p!=0 && *p1!=0 && *p2!=0 ); - if( *p1==POS_COLUMN ){ + assert_fts3_nc( p!=0 && *p1!=0 && *p2!=0 ); + if( *p1==POS_COLUMN ){ p1++; p1 += fts3GetVarint32(p1, &iCol1); } - if( *p2==POS_COLUMN ){ + if( *p2==POS_COLUMN ){ p2++; p2 += fts3GetVarint32(p2, &iCol2); } @@ -164253,8 +169241,8 @@ static int fts3PoslistPhraseMerge( if( iPos1<0 || iPos2<0 ) break; while( 1 ){ - if( iPos2==iPos1+nToken - || (isExact==0 && iPos2>iPos1 && iPos2<=iPos1+nToken) + if( iPos2==iPos1+nToken + || (isExact==0 && iPos2>iPos1 && iPos2<=iPos1+nToken) ){ sqlite3_int64 iSave; iSave = isSaveLeft ? iPos1 : iPos2; @@ -164289,8 +169277,8 @@ static int fts3PoslistPhraseMerge( /* Advance pointer p1 or p2 (whichever corresponds to the smaller of ** iCol1 and iCol2) so that it points to either the 0x00 that marks the - ** end of the position list, or the 0x01 that precedes the next - ** column-number in the position list. + ** end of the position list, or the 0x01 that precedes the next + ** column-number in the position list. */ else if( iCol1<iCol2 ){ fts3ColumnlistCopy(0, &p1); @@ -164319,14 +169307,14 @@ static int fts3PoslistPhraseMerge( /* ** Merge two position-lists as required by the NEAR operator. The argument -** position lists correspond to the left and right phrases of an expression +** position lists correspond to the left and right phrases of an expression ** like: ** ** "phrase 1" NEAR "phrase number 2" ** -** Position list *pp1 corresponds to the left-hand side of the NEAR -** expression and *pp2 to the right. As usual, the indexes in the position -** lists are the offsets of the last token in each phrase (tokens "1" and "2" +** Position list *pp1 corresponds to the left-hand side of the NEAR +** expression and *pp2 to the right. As usual, the indexes in the position +** lists are the offsets of the last token in each phrase (tokens "1" and "2" ** in the example above). ** ** The output position list - written to *pp - is a copy of *pp2 with those @@ -164366,7 +169354,7 @@ static int fts3PoslistNearMerge( return res; } -/* +/* ** An instance of this function is used to merge together the (potentially ** large number of) doclists for each term that matches a prefix query. ** See function fts3TermSelectMerge() for details. @@ -164387,7 +169375,7 @@ struct TermSelect { ** from *pp. *pp is then set to point 1 byte past the end of the read varint. ** ** If bDescIdx is false, the value read is added to *pVal before returning. -** If it is true, the value read is subtracted from *pVal before this +** If it is true, the value read is subtracted from *pVal before this ** function returns. */ static void fts3GetDeltaVarint3( @@ -164399,12 +169387,12 @@ static void fts3GetDeltaVarint3( if( *pp>=pEnd ){ *pp = 0; }else{ - sqlite3_int64 iVal; - *pp += sqlite3Fts3GetVarint(*pp, &iVal); + u64 iVal; + *pp += sqlite3Fts3GetVarintU(*pp, &iVal); if( bDescIdx ){ - *pVal -= iVal; + *pVal = (i64)((u64)*pVal - iVal); }else{ - *pVal += iVal; + *pVal = (i64)((u64)*pVal + iVal); } } } @@ -164415,9 +169403,9 @@ static void fts3GetDeltaVarint3( ** end of the value written. ** ** If *pbFirst is zero when this function is called, the value written to -** the buffer is that of parameter iVal. +** the buffer is that of parameter iVal. ** -** If *pbFirst is non-zero when this function is called, then the value +** If *pbFirst is non-zero when this function is called, then the value ** written is either (iVal-*piPrev) (if bDescIdx is zero) or (*piPrev-iVal) ** (if bDescIdx is non-zero). ** @@ -164431,15 +169419,16 @@ static void fts3PutDeltaVarint3( int *pbFirst, /* IN/OUT: True after first int written */ sqlite3_int64 iVal /* Write this value to the list */ ){ - sqlite3_int64 iWrite; + sqlite3_uint64 iWrite; if( bDescIdx==0 || *pbFirst==0 ){ - iWrite = iVal - *piPrev; + assert_fts3_nc( *pbFirst==0 || iVal>=*piPrev ); + iWrite = (u64)iVal - (u64)*piPrev; }else{ - iWrite = *piPrev - iVal; + assert_fts3_nc( *piPrev>=iVal ); + iWrite = (u64)*piPrev - (u64)iVal; } assert( *pbFirst || *piPrev==0 ); assert_fts3_nc( *pbFirst==0 || iWrite>0 ); - assert( *pbFirst==0 || iWrite>=0 ); *pp += sqlite3Fts3PutVarint(*pp, iWrite); *piPrev = iVal; *pbFirst = 1; @@ -164449,17 +169438,18 @@ static void fts3PutDeltaVarint3( /* ** This macro is used by various functions that merge doclists. The two ** arguments are 64-bit docid values. If the value of the stack variable -** bDescDoclist is 0 when this macro is invoked, then it returns (i1-i2). +** bDescDoclist is 0 when this macro is invoked, then it returns (i1-i2). ** Otherwise, (i2-i1). ** ** Using this makes it easier to write code that can merge doclists that are ** sorted in either ascending or descending order. */ -#define DOCID_CMP(i1, i2) ((bDescDoclist?-1:1) * (i1-i2)) +/* #define DOCID_CMP(i1, i2) ((bDescDoclist?-1:1) * (i64)((u64)i1-i2)) */ +#define DOCID_CMP(i1, i2) ((bDescDoclist?-1:1) * (i1>i2?1:((i1==i2)?0:-1))) /* ** This function does an "OR" merge of two doclists (output contains all -** positions contained in either argument doclist). If the docids in the +** positions contained in either argument doclist). If the docids in the ** input doclists are sorted in ascending order, parameter bDescDoclist ** should be false. If they are sorted in ascending order, it should be ** passed a non-zero value. @@ -164499,12 +169489,12 @@ static int fts3DoclistOrMerge( ** current and previous docid (a positive number - since the list is in ** ascending order). ** - ** The first docid written to the output is therefore encoded using the + ** The first docid written to the output is therefore encoded using the ** same number of bytes as it is in whichever of the input lists it is - ** read from. And each subsequent docid read from the same input list + ** read from. And each subsequent docid read from the same input list ** consumes either the same or less bytes as it did in the input (since ** the difference between it and the previous value in the output must - ** be a positive value less than or equal to the delta value read from + ** be a positive value less than or equal to the delta value read from ** the input list). The same argument applies to all but the first docid ** read from the 'other' list. And to the contents of all position lists ** that will be copied and merged from the input to the output. @@ -164516,9 +169506,9 @@ static int fts3DoclistOrMerge( ** ** The space required to store the output is therefore the sum of the ** sizes of the two inputs, plus enough space for exactly one of the input - ** docids to grow. + ** docids to grow. ** - ** A symetric argument may be made if the doclists are in descending + ** A symetric argument may be made if the doclists are in descending ** order. */ aOut = sqlite3_malloc64((i64)n1+n2+FTS3_VARINT_MAX-1+FTS3_BUFFER_PADDING); @@ -164545,7 +169535,7 @@ static int fts3DoclistOrMerge( fts3PoslistCopy(&p, &p2); fts3GetDeltaVarint3(&p2, pEnd2, bDescDoclist, &i2); } - + assert( (p-aOut)<=((p1?(p1-a1):n1)+(p2?(p2-a2):n2)+FTS3_VARINT_MAX-1) ); } @@ -164568,7 +169558,7 @@ static int fts3DoclistOrMerge( ** exactly nDist tokens before it. ** ** If the docids in the input doclists are sorted in ascending order, -** parameter bDescDoclist should be false. If they are sorted in ascending +** parameter bDescDoclist should be false. If they are sorted in ascending ** order, it should be passed a non-zero value. ** ** The right-hand input doclist is overwritten by this function. @@ -164714,7 +169704,7 @@ static int fts3TermSelectFinishMerge(Fts3Table *p, TermSelect *pTS){ int nNew; char *aNew; - int rc = fts3DoclistOrMerge(p->bDescIdx, + int rc = fts3DoclistOrMerge(p->bDescIdx, pTS->aaOutput[i], pTS->anOutput[i], aOut, nOut, &aNew, &nNew ); if( rc!=SQLITE_OK ){ @@ -164758,15 +169748,15 @@ static int fts3TermSelectMerge( ){ if( pTS->aaOutput[0]==0 ){ /* If this is the first term selected, copy the doclist to the output - ** buffer using memcpy(). + ** buffer using memcpy(). ** - ** Add FTS3_VARINT_MAX bytes of unused space to the end of the + ** Add FTS3_VARINT_MAX bytes of unused space to the end of the ** allocation. This is so as to ensure that the buffer is big enough ** to hold the current doclist AND'd with any other doclist. If the ** doclists are stored in order=ASC order, this padding would not be ** required (since the size of [doclistA AND doclistB] is always less ** than or equal to the size of [doclistA] in that case). But this is - ** not true for order=DESC. For example, a doclist containing (1, -1) + ** not true for order=DESC. For example, a doclist containing (1, -1) ** may be smaller than (-1), as in the first example the -1 may be stored ** as a single-byte delta, whereas in the second it must be stored as a ** FTS3_VARINT_MAX byte varint. @@ -164796,7 +169786,7 @@ static int fts3TermSelectMerge( char *aNew; int nNew; - int rc = fts3DoclistOrMerge(p->bDescIdx, aMerge, nMerge, + int rc = fts3DoclistOrMerge(p->bDescIdx, aMerge, nMerge, pTS->aaOutput[iOut], pTS->anOutput[iOut], &aNew, &nNew ); if( rc!=SQLITE_OK ){ @@ -164807,7 +169797,7 @@ static int fts3TermSelectMerge( if( aMerge!=aDoclist ) sqlite3_free(aMerge); sqlite3_free(pTS->aaOutput[iOut]); pTS->aaOutput[iOut] = 0; - + aMerge = aNew; nMerge = nNew; if( (iOut+1)==SizeofArray(pTS->aaOutput) ){ @@ -164824,7 +169814,7 @@ static int fts3TermSelectMerge( ** Append SegReader object pNew to the end of the pCsr->apSegment[] array. */ static int fts3SegReaderCursorAppend( - Fts3MultiSegReader *pCsr, + Fts3MultiSegReader *pCsr, Fts3SegReader *pNew ){ if( (pCsr->nSegment%16)==0 ){ @@ -164863,13 +169853,13 @@ static int fts3SegReaderCursor( sqlite3_stmt *pStmt = 0; /* Statement to iterate through segments */ int rc2; /* Result of sqlite3_reset() */ - /* If iLevel is less than 0 and this is not a scan, include a seg-reader + /* If iLevel is less than 0 and this is not a scan, include a seg-reader ** for the pending-terms. If this is a scan, then this call must be being ** made by an fts4aux module, not an FTS table. In this case calling - ** Fts3SegReaderPending might segfault, as the data structures used by + ** Fts3SegReaderPending might segfault, as the data structures used by ** fts4aux are not completely populated. So it's easiest to filter these ** calls out here. */ - if( iLevel<0 && p->aIndex ){ + if( iLevel<0 && p->aIndex && p->iPrevLangid==iLangid ){ Fts3SegReader *pSeg = 0; rc = sqlite3Fts3SegReaderPending(p, iIndex, zTerm, nTerm, isPrefix||isScan, &pSeg); if( rc==SQLITE_OK && pSeg ){ @@ -164900,10 +169890,10 @@ static int fts3SegReaderCursor( if( rc!=SQLITE_OK ) goto finished; if( isPrefix==0 && isScan==0 ) iLeavesEndBlock = iStartBlock; } - - rc = sqlite3Fts3SegReaderNew(pCsr->nSegment+1, + + rc = sqlite3Fts3SegReaderNew(pCsr->nSegment+1, (isPrefix==0 && isScan==0), - iStartBlock, iLeavesEndBlock, + iStartBlock, iLeavesEndBlock, iEndBlock, zRoot, nRoot, &pSeg ); if( rc!=SQLITE_OK ) goto finished; @@ -164919,7 +169909,7 @@ static int fts3SegReaderCursor( } /* -** Set up a cursor object for iterating through a full-text index or a +** Set up a cursor object for iterating through a full-text index or a ** single level therein. */ SQLITE_PRIVATE int sqlite3Fts3SegReaderCursor( @@ -164935,7 +169925,7 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderCursor( ){ assert( iIndex>=0 && iIndex<p->nIndex ); assert( iLevel==FTS3_SEGCURSOR_ALL - || iLevel==FTS3_SEGCURSOR_PENDING + || iLevel==FTS3_SEGCURSOR_PENDING || iLevel>=0 ); assert( iLevel<FTS3_SEGDIR_MAXLEVEL ); @@ -164961,20 +169951,20 @@ static int fts3SegReaderCursorAddZero( int nTerm, /* Number of bytes in zTerm */ Fts3MultiSegReader *pCsr /* Fts3MultiSegReader to modify */ ){ - return fts3SegReaderCursor(p, + return fts3SegReaderCursor(p, iLangid, 0, FTS3_SEGCURSOR_ALL, zTerm, nTerm, 0, 0,pCsr ); } /* ** Open an Fts3MultiSegReader to scan the doclist for term zTerm/nTerm. Or, -** if isPrefix is true, to scan the doclist for all terms for which +** if isPrefix is true, to scan the doclist for all terms for which ** zTerm/nTerm is a prefix. If successful, return SQLITE_OK and write ** a pointer to the new Fts3MultiSegReader to *ppSegcsr. Otherwise, return ** an SQLite error code. ** ** It is the responsibility of the caller to free this object by eventually -** passing it to fts3SegReaderCursorFree() +** passing it to fts3SegReaderCursorFree() ** ** SQLITE_OK is returned if no error occurs, otherwise an SQLite error code. ** Output parameter *ppSegcsr is set to 0 if an error occurs. @@ -164999,7 +169989,7 @@ static int fts3TermSegReaderCursor( for(i=1; bFound==0 && i<p->nIndex; i++){ if( p->aIndex[i].nPrefix==nTerm ){ bFound = 1; - rc = sqlite3Fts3SegReaderCursor(p, pCsr->iLangid, + rc = sqlite3Fts3SegReaderCursor(p, pCsr->iLangid, i, FTS3_SEGCURSOR_ALL, zTerm, nTerm, 0, 0, pSegcsr ); pSegcsr->bLookup = 1; @@ -165009,7 +169999,7 @@ static int fts3TermSegReaderCursor( for(i=1; bFound==0 && i<p->nIndex; i++){ if( p->aIndex[i].nPrefix==nTerm+1 ){ bFound = 1; - rc = sqlite3Fts3SegReaderCursor(p, pCsr->iLangid, + rc = sqlite3Fts3SegReaderCursor(p, pCsr->iLangid, i, FTS3_SEGCURSOR_ALL, zTerm, nTerm, 1, 0, pSegcsr ); if( rc==SQLITE_OK ){ @@ -165022,7 +170012,7 @@ static int fts3TermSegReaderCursor( } if( bFound==0 ){ - rc = sqlite3Fts3SegReaderCursor(p, pCsr->iLangid, + rc = sqlite3Fts3SegReaderCursor(p, pCsr->iLangid, 0, FTS3_SEGCURSOR_ALL, zTerm, nTerm, isPrefix, 0, pSegcsr ); pSegcsr->bLookup = !isPrefix; @@ -165070,7 +170060,7 @@ static int fts3TermSelect( rc = sqlite3Fts3SegReaderStart(p, pSegcsr, &filter); while( SQLITE_OK==rc - && SQLITE_ROW==(rc = sqlite3Fts3SegReaderStep(p, pSegcsr)) + && SQLITE_ROW==(rc = sqlite3Fts3SegReaderStep(p, pSegcsr)) ){ rc = fts3TermSelectMerge(p, &tsc, pSegcsr->aDoclist, pSegcsr->nDoclist); } @@ -165099,7 +170089,7 @@ static int fts3TermSelect( ** ** If the isPoslist argument is true, then it is assumed that the doclist ** contains a position-list following each docid. Otherwise, it is assumed -** that the doclist is simply a list of docids stored as delta encoded +** that the doclist is simply a list of docids stored as delta encoded ** varints. */ static int fts3DoclistCountDocids(char *aList, int nList){ @@ -165132,6 +170122,8 @@ static int fts3NextMethod(sqlite3_vtab_cursor *pCursor){ int rc; Fts3Cursor *pCsr = (Fts3Cursor *)pCursor; if( pCsr->eSearch==FTS3_DOCID_SEARCH || pCsr->eSearch==FTS3_FULLSCAN_SEARCH ){ + Fts3Table *pTab = (Fts3Table*)pCursor->pVtab; + pTab->bLock++; if( SQLITE_ROW!=sqlite3_step(pCsr->pStmt) ){ pCsr->isEof = 1; rc = sqlite3_reset(pCsr->pStmt); @@ -165139,6 +170131,7 @@ static int fts3NextMethod(sqlite3_vtab_cursor *pCursor){ pCsr->iPrevId = sqlite3_column_int64(pCsr->pStmt, 0); rc = SQLITE_OK; } + pTab->bLock--; }else{ rc = fts3EvalNext((Fts3Cursor *)pCursor); } @@ -165199,6 +170192,10 @@ static int fts3FilterMethod( UNUSED_PARAMETER(idxStr); UNUSED_PARAMETER(nVal); + if( p->bLock ){ + return SQLITE_ERROR; + } + eSearch = (idxNum & 0x0000FFFF); assert( eSearch>=0 && eSearch<=(FTS3_FULLTEXT_SEARCH+p->nColumn) ); assert( p->pSegments==0 ); @@ -165238,7 +170235,7 @@ static int fts3FilterMethod( assert( p->base.zErrMsg==0 ); rc = sqlite3Fts3ExprParse(p->pTokenizer, pCsr->iLangid, - p->azColumn, p->bFts4, p->nColumn, iCol, zQuery, -1, &pCsr->pExpr, + p->azColumn, p->bFts4, p->nColumn, iCol, zQuery, -1, &pCsr->pExpr, &p->base.zErrMsg ); if( rc!=SQLITE_OK ){ @@ -165265,12 +170262,16 @@ static int fts3FilterMethod( (pCsr->bDesc ? "DESC" : "ASC") ); }else{ - zSql = sqlite3_mprintf("SELECT %s ORDER BY rowid %s", + zSql = sqlite3_mprintf("SELECT %s ORDER BY rowid %s", p->zReadExprlist, (pCsr->bDesc ? "DESC" : "ASC") ); } if( zSql ){ - rc = sqlite3_prepare_v3(p->db,zSql,-1,SQLITE_PREPARE_PERSISTENT,&pCsr->pStmt,0); + p->bLock++; + rc = sqlite3_prepare_v3( + p->db,zSql,-1,SQLITE_PREPARE_PERSISTENT,&pCsr->pStmt,0 + ); + p->bLock--; sqlite3_free(zSql); }else{ rc = SQLITE_NOMEM; @@ -165286,8 +170287,8 @@ static int fts3FilterMethod( return fts3NextMethod(pCursor); } -/* -** This is the xEof method of the virtual table. SQLite calls this +/* +** This is the xEof method of the virtual table. SQLite calls this ** routine to find out if it has reached the end of a result set. */ static int fts3EofMethod(sqlite3_vtab_cursor *pCursor){ @@ -165299,7 +170300,7 @@ static int fts3EofMethod(sqlite3_vtab_cursor *pCursor){ return pCsr->isEof; } -/* +/* ** This is the xRowid method. The SQLite core calls this routine to ** retrieve the rowid for the current row of the result set. fts3 ** exposes %_content.docid as the rowid for the virtual table. The @@ -165311,7 +170312,7 @@ static int fts3RowidMethod(sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid){ return SQLITE_OK; } -/* +/* ** This is the xColumn method, called by SQLite to request a value from ** the row that the supplied cursor currently points to. ** @@ -165354,7 +170355,7 @@ static int fts3ColumnMethod( break; }else{ iCol = p->nColumn; - /* fall-through */ + /* no break */ deliberate_fall_through } default: @@ -165371,8 +170372,8 @@ static int fts3ColumnMethod( return rc; } -/* -** This function is the implementation of the xUpdate callback used by +/* +** This function is the implementation of the xUpdate callback used by ** FTS3 virtual tables. It is invoked by SQLite each time a row is to be ** inserted, updated or deleted. */ @@ -165407,7 +170408,7 @@ static int fts3SyncMethod(sqlite3_vtab *pVtab){ ** ** Of course, updating the input segments also involves deleting a bunch ** of blocks from the segments table. But this is not considered overhead - ** as it would also be required by a crisis-merge that used the same input + ** as it would also be required by a crisis-merge that used the same input ** segments. */ const u32 nMinMerge = 64; /* Minimum amount of incr-merge work to do */ @@ -165417,8 +170418,8 @@ static int fts3SyncMethod(sqlite3_vtab *pVtab){ i64 iLastRowid = sqlite3_last_insert_rowid(p->db); rc = sqlite3Fts3PendingTermsFlush(p); - if( rc==SQLITE_OK - && p->nLeafAdd>(nMinMerge/16) + if( rc==SQLITE_OK + && p->nLeafAdd>(nMinMerge/16) && p->nAutoincrmerge && p->nAutoincrmerge!=0xff ){ int mxLevel = 0; /* Maximum relative level value in db */ @@ -165457,7 +170458,7 @@ static int fts3SetHasStat(Fts3Table *p){ } /* -** Implementation of xBegin() method. +** Implementation of xBegin() method. */ static int fts3BeginMethod(sqlite3_vtab *pVtab){ Fts3Table *p = (Fts3Table*)pVtab; @@ -165513,17 +170514,17 @@ static void fts3ReversePoslist(char *pStart, char **ppPoslist){ /* Skip backwards passed any trailing 0x00 bytes added by NearTrim() */ while( p>pStart && (c=*p--)==0 ); - /* Search backwards for a varint with value zero (the end of the previous + /* Search backwards for a varint with value zero (the end of the previous ** poslist). This is an 0x00 byte preceded by some byte that does not ** have the 0x80 bit set. */ - while( p>pStart && (*p & 0x80) | c ){ - c = *p--; + while( p>pStart && (*p & 0x80) | c ){ + c = *p--; } assert( p==pStart || c==0 ); /* At this point p points to that preceding byte without the 0x80 bit ** set. So to find the start of the poslist, skip forward 2 bytes then - ** over a varint. + ** over a varint. ** ** Normally. The other case is that p==pStart and the poslist to return ** is the first in the doclist. In this case do not skip forward 2 bytes. @@ -165544,7 +170545,7 @@ static void fts3ReversePoslist(char *pStart, char **ppPoslist){ ** offsets() and optimize() SQL functions. ** ** If the value passed as the third argument is a blob of size -** sizeof(Fts3Cursor*), then the blob contents are copied to the +** sizeof(Fts3Cursor*), then the blob contents are copied to the ** output variable *ppCsr and SQLITE_OK is returned. Otherwise, an error ** message is written to context pContext and SQLITE_ERROR returned. The ** string passed via zFunc is used as part of the error message. @@ -165589,7 +170590,7 @@ static void fts3SnippetFunc( assert( nVal>=1 ); if( nVal>6 ){ - sqlite3_result_error(pContext, + sqlite3_result_error(pContext, "wrong number of arguments to function snippet()", -1); return; } @@ -165597,9 +170598,13 @@ static void fts3SnippetFunc( switch( nVal ){ case 6: nToken = sqlite3_value_int(apVal[5]); + /* no break */ deliberate_fall_through case 5: iCol = sqlite3_value_int(apVal[4]); + /* no break */ deliberate_fall_through case 4: zEllipsis = (const char*)sqlite3_value_text(apVal[3]); + /* no break */ deliberate_fall_through case 3: zEnd = (const char*)sqlite3_value_text(apVal[2]); + /* no break */ deliberate_fall_through case 2: zStart = (const char*)sqlite3_value_text(apVal[1]); } if( !zEllipsis || !zEnd || !zStart ){ @@ -165631,8 +170636,8 @@ static void fts3OffsetsFunc( } } -/* -** Implementation of the special optimize() function for FTS3. This +/* +** Implementation of the special optimize() function for FTS3. This ** function merges all segments in the database to a single segment. ** Example usage is: ** @@ -165741,10 +170746,10 @@ static int fts3RenameMethod( /* At this point it must be known if the %_stat table exists or not. ** So bHasStat may not be 2. */ rc = fts3SetHasStat(p); - + /* As it happens, the pending terms table is always empty here. This is - ** because an "ALTER TABLE RENAME TABLE" statement inside a transaction - ** always opens a savepoint transaction. And the xSavepoint() method + ** because an "ALTER TABLE RENAME TABLE" statement inside a transaction + ** always opens a savepoint transaction. And the xSavepoint() method ** flushes the pending terms table. But leave the (no-op) call to ** PendingTermsFlush() in in case that changes. */ @@ -165835,7 +170840,7 @@ static int fts3RollbackToMethod(sqlite3_vtab *pVtab, int iSavepoint){ */ static int fts3ShadowName(const char *zName){ static const char *azName[] = { - "content", "docsize", "segdir", "segments", "stat", + "content", "docsize", "segdir", "segments", "stat", }; unsigned int i; for(i=0; i<sizeof(azName)/sizeof(azName[0]); i++){ @@ -165883,7 +170888,7 @@ static void hashDestroy(void *p){ } /* -** The fts3 built-in tokenizers - "simple", "porter" and "icu"- are +** The fts3 built-in tokenizers - "simple", "porter" and "icu"- are ** implemented in files fts3_tokenizer1.c, fts3_porter.c and fts3_icu.c ** respectively. The following three forward declarations are for functions ** declared in these files used to retrieve the respective implementations. @@ -165947,10 +170952,10 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ /* Load the built-in tokenizers into the hash table */ if( rc==SQLITE_OK ){ if( sqlite3Fts3HashInsert(pHash, "simple", 7, (void *)pSimple) - || sqlite3Fts3HashInsert(pHash, "porter", 7, (void *)pPorter) + || sqlite3Fts3HashInsert(pHash, "porter", 7, (void *)pPorter) #ifndef SQLITE_DISABLE_FTS3_UNICODE - || sqlite3Fts3HashInsert(pHash, "unicode61", 10, (void *)pUnicode) + || sqlite3Fts3HashInsert(pHash, "unicode61", 10, (void *)pUnicode) #endif #ifdef SQLITE_ENABLE_ICU || (pIcu && sqlite3Fts3HashInsert(pHash, "icu", 4, (void *)pIcu)) @@ -165966,11 +170971,11 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ } #endif - /* Create the virtual table wrapper around the hash-table and overload + /* Create the virtual table wrapper around the hash-table and overload ** the four scalar functions. If this is successful, register the ** module with sqlite. */ - if( SQLITE_OK==rc + if( SQLITE_OK==rc && SQLITE_OK==(rc = sqlite3Fts3InitHashTable(db, pHash, "fts3_tokenizer")) && SQLITE_OK==(rc = sqlite3_overload_function(db, "snippet", -1)) && SQLITE_OK==(rc = sqlite3_overload_function(db, "offsets", 1)) @@ -166004,7 +171009,7 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ /* ** Allocate an Fts3MultiSegReader for each token in the expression headed -** by pExpr. +** by pExpr. ** ** An Fts3SegReader object is a cursor that can seek or scan a range of ** entries within a single segment b-tree. An Fts3MultiSegReader uses multiple @@ -166014,7 +171019,7 @@ SQLITE_PRIVATE int sqlite3Fts3Init(sqlite3 *db){ ** If the allocated Fts3MultiSegReader just seeks to a single entry in a ** segment b-tree (if the term is not a prefix or it is a prefix for which ** there exists prefix b-tree of the right length) then it may be traversed -** and merged incrementally. Otherwise, it has to be merged into an in-memory +** and merged incrementally. Otherwise, it has to be merged into an in-memory ** doclist and then traversed. */ static void fts3EvalAllocateReaders( @@ -166031,7 +171036,7 @@ static void fts3EvalAllocateReaders( *pnToken += nToken; for(i=0; i<nToken; i++){ Fts3PhraseToken *pToken = &pExpr->pPhrase->aToken[i]; - int rc = fts3TermSegReaderCursor(pCsr, + int rc = fts3TermSegReaderCursor(pCsr, pToken->z, pToken->n, pToken->isPrefix, &pToken->pSegcsr ); if( rc!=SQLITE_OK ){ @@ -166237,7 +171242,7 @@ static int fts3EvalDeferredPhrase(Fts3Cursor *pCsr, Fts3Phrase *pPhrase){ sqlite3_free(aPoslist); return SQLITE_NOMEM; } - + pPhrase->doclist.pList = aOut; if( fts3PoslistPhraseMerge(&aOut, nDistance, 0, 1, &p1, &p2) ){ pPhrase->doclist.bFreeList = 1; @@ -166262,7 +171267,7 @@ static int fts3EvalDeferredPhrase(Fts3Cursor *pCsr, Fts3Phrase *pPhrase){ #define MAX_INCR_PHRASE_TOKENS 4 /* -** This function is called for each Fts3Phrase in a full-text query +** This function is called for each Fts3Phrase in a full-text query ** expression to initialize the mechanism for returning rows. Once this ** function has been called successfully on an Fts3Phrase, it may be ** used with fts3EvalPhraseNext() to iterate through the matching docids. @@ -166280,14 +171285,14 @@ static int fts3EvalPhraseStart(Fts3Cursor *pCsr, int bOptOk, Fts3Phrase *p){ /* Determine if doclists may be loaded from disk incrementally. This is ** possible if the bOptOk argument is true, the FTS doclists will be - ** scanned in forward order, and the phrase consists of + ** scanned in forward order, and the phrase consists of ** MAX_INCR_PHRASE_TOKENS or fewer tokens, none of which are are "^first" ** tokens or prefix tokens that cannot use a prefix-index. */ int bHaveIncr = 0; - int bIncrOk = (bOptOk - && pCsr->bDesc==pTab->bDescIdx + int bIncrOk = (bOptOk + && pCsr->bDesc==pTab->bDescIdx && p->nToken<=MAX_INCR_PHRASE_TOKENS && p->nToken>0 -#ifdef SQLITE_TEST +#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) && pTab->bNoIncrDoclist==0 #endif ); @@ -166321,12 +171326,12 @@ static int fts3EvalPhraseStart(Fts3Cursor *pCsr, int bOptOk, Fts3Phrase *p){ } /* -** This function is used to iterate backwards (from the end to start) +** This function is used to iterate backwards (from the end to start) ** through doclists. It is used by this module to iterate through phrase ** doclists in reverse and by the fts3_write.c module to iterate through ** pending-terms lists when writing to databases with "order=desc". ** -** The doclist may be sorted in ascending (parameter bDescIdx==0) or +** The doclist may be sorted in ascending (parameter bDescIdx==0) or ** descending (parameter bDescIdx==1) order of docid. Regardless, this ** function iterates from the end of the doclist to the beginning. */ @@ -166398,7 +171403,7 @@ SQLITE_PRIVATE void sqlite3Fts3DoclistNext( assert( nDoclist>0 ); assert( *pbEof==0 ); - assert( p || *piDocid==0 ); + assert_fts3_nc( p || *piDocid==0 ); assert( !p || (p>=aDoclist && p<=&aDoclist[nDoclist]) ); if( p==0 ){ @@ -166406,7 +171411,7 @@ SQLITE_PRIVATE void sqlite3Fts3DoclistNext( p += sqlite3Fts3GetVarint(p, piDocid); }else{ fts3PoslistCopy(0, &p); - while( p<&aDoclist[nDoclist] && *p==0 ) p++; + while( p<&aDoclist[nDoclist] && *p==0 ) p++; if( p>=&aDoclist[nDoclist] ){ *pbEof = 1; }else{ @@ -166429,15 +171434,16 @@ static void fts3EvalDlPhraseNext( u8 *pbEof ){ char *pIter; /* Used to iterate through aAll */ - char *pEnd = &pDL->aAll[pDL->nAll]; /* 1 byte past end of aAll */ - + char *pEnd; /* 1 byte past end of aAll */ + if( pDL->pNextDocid ){ pIter = pDL->pNextDocid; + assert( pDL->aAll!=0 || pIter==0 ); }else{ pIter = pDL->aAll; } - if( pIter>=pEnd ){ + if( pIter==0 || pIter>=(pEnd = pDL->aAll + pDL->nAll) ){ /* We have already reached the end of this doclist. EOF. */ *pbEof = 1; }else{ @@ -166478,12 +171484,12 @@ struct TokenDoclist { }; /* -** Token pToken is an incrementally loaded token that is part of a +** Token pToken is an incrementally loaded token that is part of a ** multi-token phrase. Advance it to the next matching document in the ** database and populate output variable *p with the details of the new ** entry. Or, if the iterator has reached EOF, set *pbEof to true. ** -** If an error occurs, return an SQLite error code. Otherwise, return +** If an error occurs, return an SQLite error code. Otherwise, return ** SQLITE_OK. */ static int incrPhraseTokenNext( @@ -166524,18 +171530,18 @@ static int incrPhraseTokenNext( /* ** The phrase iterator passed as the second argument: ** -** * features at least one token that uses an incremental doclist, and +** * features at least one token that uses an incremental doclist, and ** ** * does not contain any deferred tokens. ** ** Advance it to the next matching documnent in the database and populate -** the Fts3Doclist.pList and nList fields. +** the Fts3Doclist.pList and nList fields. ** ** If there is no "next" entry and no error occurs, then *pbEof is set to ** 1 before returning. Otherwise, if no error occurs and the iterator is ** successfully advanced, *pbEof is set to 0. ** -** If an error occurs, return an SQLite error code. Otherwise, return +** If an error occurs, return an SQLite error code. Otherwise, return ** SQLITE_OK. */ static int fts3EvalIncrPhraseNext( @@ -166553,7 +171559,7 @@ static int fts3EvalIncrPhraseNext( assert( p->bIncr==1 ); if( p->nToken==1 ){ - rc = sqlite3Fts3MsrIncrNext(pTab, p->aToken[0].pSegcsr, + rc = sqlite3Fts3MsrIncrNext(pTab, p->aToken[0].pSegcsr, &pDL->iDocid, &pDL->pList, &pDL->nList ); if( pDL->pList==0 ) bEof = 1; @@ -166583,8 +171589,8 @@ static int fts3EvalIncrPhraseNext( /* Keep advancing iterators until they all point to the same document */ for(i=0; i<p->nToken; i++){ - while( rc==SQLITE_OK && bEof==0 - && a[i].bIgnore==0 && DOCID_CMP(a[i].iDocid, iMax)<0 + while( rc==SQLITE_OK && bEof==0 + && a[i].bIgnore==0 && DOCID_CMP(a[i].iDocid, iMax)<0 ){ rc = incrPhraseTokenNext(pTab, p, i, &a[i], &bEof); if( DOCID_CMP(a[i].iDocid, iMax)>0 ){ @@ -166631,8 +171637,8 @@ static int fts3EvalIncrPhraseNext( } /* -** Attempt to move the phrase iterator to point to the next matching docid. -** If an error occurs, return an SQLite error code. Otherwise, return +** Attempt to move the phrase iterator to point to the next matching docid. +** If an error occurs, return an SQLite error code. Otherwise, return ** SQLITE_OK. ** ** If there is no "next" entry and no error occurs, then *pbEof is set to @@ -166651,7 +171657,7 @@ static int fts3EvalPhraseNext( if( p->bIncr ){ rc = fts3EvalIncrPhraseNext(pCsr, p, pbEof); }else if( pCsr->bDesc!=pTab->bDescIdx && pDL->nAll ){ - sqlite3Fts3DoclistPrev(pTab->bDescIdx, pDL->aAll, pDL->nAll, + sqlite3Fts3DoclistPrev(pTab->bDescIdx, pDL->aAll, pDL->nAll, &pDL->pNextDocid, &pDL->iDocid, &pDL->nList, pbEof ); pDL->pList = pDL->pNextDocid; @@ -166711,7 +171717,7 @@ static void fts3EvalStartReaders( ** Tokens are divided into AND/NEAR clusters. All tokens in a cluster belong ** to phrases that are connected only by AND and NEAR operators (not OR or ** NOT). When determining tokens to defer, each AND/NEAR cluster is considered -** separately. The root of a tokens AND/NEAR cluster is stored in +** separately. The root of a tokens AND/NEAR cluster is stored in ** Fts3TokenAndCost.pRoot. */ typedef struct Fts3TokenAndCost Fts3TokenAndCost; @@ -166779,7 +171785,7 @@ static void fts3EvalTokenCosts( ** write this value to *pnPage and return SQLITE_OK. Otherwise, return ** an SQLite error code. ** -** The average document size in pages is calculated by first calculating +** The average document size in pages is calculated by first calculating ** determining the average size in bytes, B. If B is less than the amount ** of data that will fit on a single leaf page of an intkey table in ** this database, then the average docsize is 1. Otherwise, it is 1 plus @@ -166789,10 +171795,10 @@ static int fts3EvalAverageDocsize(Fts3Cursor *pCsr, int *pnPage){ int rc = SQLITE_OK; if( pCsr->nRowAvg==0 ){ /* The average document size, which is required to calculate the cost - ** of each doclist, has not yet been determined. Read the required + ** of each doclist, has not yet been determined. Read the required ** data from the %_stat table to calculate it. ** - ** Entry 0 of the %_stat table is a blob containing (nCol+1) FTS3 + ** Entry 0 of the %_stat table is a blob containing (nCol+1) FTS3 ** varints, where nCol is the number of columns in the FTS3 table. ** The first varint is the number of documents currently stored in ** the table. The following nCol varints contain the total amount of @@ -166809,12 +171815,13 @@ static int fts3EvalAverageDocsize(Fts3Cursor *pCsr, int *pnPage){ rc = sqlite3Fts3SelectDoctotal(p, &pStmt); if( rc!=SQLITE_OK ) return rc; a = sqlite3_column_blob(pStmt, 0); - assert( a ); - - pEnd = &a[sqlite3_column_bytes(pStmt, 0)]; - a += sqlite3Fts3GetVarint(a, &nDoc); - while( a<pEnd ){ - a += sqlite3Fts3GetVarint(a, &nByte); + testcase( a==0 ); /* If %_stat.value set to X'' */ + if( a ){ + pEnd = &a[sqlite3_column_bytes(pStmt, 0)]; + a += sqlite3Fts3GetVarintBounded(a, pEnd, &nDoc); + while( a<pEnd ){ + a += sqlite3Fts3GetVarintBounded(a, pEnd, &nByte); + } } if( nDoc==0 || nByte==0 ){ sqlite3_reset(pStmt); @@ -166823,7 +171830,7 @@ static int fts3EvalAverageDocsize(Fts3Cursor *pCsr, int *pnPage){ pCsr->nDoc = nDoc; pCsr->nRowAvg = (int)(((nByte / nDoc) + p->nPgsz) / p->nPgsz); - assert( pCsr->nRowAvg>0 ); + assert( pCsr->nRowAvg>0 ); rc = sqlite3_reset(pStmt); } @@ -166832,11 +171839,11 @@ static int fts3EvalAverageDocsize(Fts3Cursor *pCsr, int *pnPage){ } /* -** This function is called to select the tokens (if any) that will be +** This function is called to select the tokens (if any) that will be ** deferred. The array aTC[] has already been populated when this is ** called. ** -** This function is called once for each AND/NEAR cluster in the +** This function is called once for each AND/NEAR cluster in the ** expression. Each invocation determines which tokens to defer within ** the cluster with root node pRoot. See comments above the definition ** of struct Fts3TokenAndCost for more details. @@ -166886,8 +171893,8 @@ static int fts3EvalSelectDeferred( assert( rc!=SQLITE_OK || nDocSize>0 ); - /* Iterate through all tokens in this AND/NEAR cluster, in ascending order - ** of the number of overflow pages that will be loaded by the pager layer + /* Iterate through all tokens in this AND/NEAR cluster, in ascending order + ** of the number of overflow pages that will be loaded by the pager layer ** to retrieve the entire doclist for the token from the full-text index. ** Load the doclists for tokens that are either: ** @@ -166898,7 +171905,7 @@ static int fts3EvalSelectDeferred( ** ** After each token doclist is loaded, merge it with the others from the ** same phrase and count the number of documents that the merged doclist - ** contains. Set variable "nMinEst" to the smallest number of documents in + ** contains. Set variable "nMinEst" to the smallest number of documents in ** any phrase doclist for which 1 or more token doclists have been loaded. ** Let nOther be the number of other phrases for which it is certain that ** one or more tokens will not be deferred. @@ -166914,8 +171921,8 @@ static int fts3EvalSelectDeferred( /* Set pTC to point to the cheapest remaining token. */ for(iTC=0; iTC<nTC; iTC++){ - if( aTC[iTC].pToken && aTC[iTC].pRoot==pRoot - && (!pTC || aTC[iTC].nOvfl<pTC->nOvfl) + if( aTC[iTC].pToken && aTC[iTC].pRoot==pRoot + && (!pTC || aTC[iTC].nOvfl<pTC->nOvfl) ){ pTC = &aTC[iTC]; } @@ -166924,7 +171931,7 @@ static int fts3EvalSelectDeferred( if( ii && pTC->nOvfl>=((nMinEst+(nLoad4/4)-1)/(nLoad4/4))*nDocSize ){ /* The number of overflow pages to load for this (and therefore all - ** subsequent) tokens is greater than the estimated number of pages + ** subsequent) tokens is greater than the estimated number of pages ** that will be loaded if all subsequent tokens are deferred. */ Fts3PhraseToken *pToken = pTC->pToken; @@ -166933,7 +171940,7 @@ static int fts3EvalSelectDeferred( pToken->pSegcsr = 0; }else{ /* Set nLoad4 to the value of (4^nOther) for the next iteration of the - ** for-loop. Except, limit the value to 2^24 to prevent it from + ** for-loop. Except, limit the value to 2^24 to prevent it from ** overflowing the 32-bit integer it is stored in. */ if( ii<12 ) nLoad4 = nLoad4*4; @@ -167046,7 +172053,7 @@ static void fts3EvalInvalidatePoslist(Fts3Phrase *pPhrase){ ** ** Parameter nNear is passed the NEAR distance of the expression (5 in ** the example above). When this function is called, *paPoslist points to -** the position list, and *pnToken is the number of phrase tokens in, the +** the position list, and *pnToken is the number of phrase tokens in the ** phrase on the other side of the NEAR operator to pPhrase. For example, ** if pPhrase refers to the "def ghi" phrase, then *paPoslist points to ** the position list associated with phrase "abc". @@ -167055,7 +172062,7 @@ static void fts3EvalInvalidatePoslist(Fts3Phrase *pPhrase){ ** close to a position in the *paPoslist position list are removed. If this ** leaves 0 positions, zero is returned. Otherwise, non-zero. ** -** Before returning, *paPoslist is set to point to the position lsit +** Before returning, *paPoslist is set to point to the position lsit ** associated with pPhrase. And *pnToken is set to the number of tokens in ** pPhrase. */ @@ -167069,8 +172076,8 @@ static int fts3EvalNearTrim( int nParam1 = nNear + pPhrase->nToken; int nParam2 = nNear + *pnToken; int nNew; - char *p2; - char *pOut; + char *p2; + char *pOut; int res; assert( pPhrase->doclist.pList ); @@ -167081,10 +172088,12 @@ static int fts3EvalNearTrim( ); if( res ){ nNew = (int)(pOut - pPhrase->doclist.pList) - 1; - assert( pPhrase->doclist.pList[nNew]=='\0' ); - assert( nNew<=pPhrase->doclist.nList && nNew>0 ); - memset(&pPhrase->doclist.pList[nNew], 0, pPhrase->doclist.nList - nNew); - pPhrase->doclist.nList = nNew; + if( nNew>=0 ){ + assert( pPhrase->doclist.pList[nNew]=='\0' ); + assert( nNew<=pPhrase->doclist.nList && nNew>0 ); + memset(&pPhrase->doclist.pList[nNew], 0, pPhrase->doclist.nList - nNew); + pPhrase->doclist.nList = nNew; + } *paPoslist = pPhrase->doclist.pList; *pnToken = pPhrase->nToken; } @@ -167117,19 +172126,19 @@ static int fts3EvalNearTrim( ** ** 1. Deferred tokens are not taken into account. If a phrase consists ** entirely of deferred tokens, it is assumed to match every row in -** the db. In this case the position-list is not populated at all. +** the db. In this case the position-list is not populated at all. ** ** Or, if a phrase contains one or more deferred tokens and one or -** more non-deferred tokens, then the expression is advanced to the +** more non-deferred tokens, then the expression is advanced to the ** next possible match, considering only non-deferred tokens. In other ** words, if the phrase is "A B C", and "B" is deferred, the expression -** is advanced to the next row that contains an instance of "A * C", +** is advanced to the next row that contains an instance of "A * C", ** where "*" may match any single token. The position list in this case ** is populated as for "A * C" before returning. ** -** 2. NEAR is treated as AND. If the expression is "x NEAR y", it is +** 2. NEAR is treated as AND. If the expression is "x NEAR y", it is ** advanced to point to the next row that matches "x AND y". -** +** ** See sqlite3Fts3EvalTestDeferred() for details on testing if a row is ** really a match, taking into account deferred tokens and NEAR operators. */ @@ -167193,11 +172202,12 @@ static void fts3EvalNextRow( fts3EvalNextRow(pCsr, pLeft, pRc); } } + pRight->bEof = pLeft->bEof = 1; } } break; } - + case FTSQUERY_OR: { Fts3Expr *pLeft = pExpr->pLeft; Fts3Expr *pRight = pExpr->pRight; @@ -167237,9 +172247,9 @@ static void fts3EvalNextRow( fts3EvalNextRow(pCsr, pLeft, pRc); if( pLeft->bEof==0 ){ - while( !*pRc - && !pRight->bEof - && DOCID_CMP(pLeft->iDocid, pRight->iDocid)>0 + while( !*pRc + && !pRight->bEof + && DOCID_CMP(pLeft->iDocid, pRight->iDocid)>0 ){ fts3EvalNextRow(pCsr, pRight, pRc); } @@ -167264,14 +172274,14 @@ static void fts3EvalNextRow( ** If *pRc is not SQLITE_OK, or if pExpr is not the root node of a NEAR ** cluster, then this function returns 1 immediately. ** -** Otherwise, it checks if the current row really does match the NEAR -** expression, using the data currently stored in the position lists -** (Fts3Expr->pPhrase.doclist.pList/nList) for each phrase in the expression. +** Otherwise, it checks if the current row really does match the NEAR +** expression, using the data currently stored in the position lists +** (Fts3Expr->pPhrase.doclist.pList/nList) for each phrase in the expression. ** ** If the current row is a match, the position list associated with each ** phrase in the NEAR expression is edited in place to contain only those ** phrase instances sufficiently close to their peers to satisfy all NEAR -** constraints. In this case it returns 1. If the NEAR expression does not +** constraints. In this case it returns 1. If the NEAR expression does not ** match the current row, 0 is returned. The position lists may or may not ** be edited if 0 is returned. */ @@ -167294,15 +172304,15 @@ static int fts3EvalNearTest(Fts3Expr *pExpr, int *pRc){ ** | | ** "w" "x" ** - ** The right-hand child of a NEAR node is always a phrase. The + ** The right-hand child of a NEAR node is always a phrase. The ** left-hand child may be either a phrase or a NEAR node. There are ** no exceptions to this - it's the way the parser in fts3_expr.c works. */ - if( *pRc==SQLITE_OK - && pExpr->eType==FTSQUERY_NEAR + if( *pRc==SQLITE_OK + && pExpr->eType==FTSQUERY_NEAR && (pExpr->pParent==0 || pExpr->pParent->eType!=FTSQUERY_NEAR) ){ - Fts3Expr *p; + Fts3Expr *p; sqlite3_int64 nTmp = 0; /* Bytes of temp space */ char *aTmp; /* Temp space for PoslistNearMerge() */ @@ -167349,12 +172359,12 @@ static int fts3EvalNearTest(Fts3Expr *pExpr, int *pRc){ /* ** This function is a helper function for sqlite3Fts3EvalTestDeferred(). ** Assuming no error occurs or has occurred, It returns non-zero if the -** expression passed as the second argument matches the row that pCsr +** expression passed as the second argument matches the row that pCsr ** currently points to, or zero if it does not. ** ** If *pRc is not SQLITE_OK when this function is called, it is a no-op. -** If an error occurs during execution of this function, *pRc is set to -** the appropriate SQLite error code. In this case the returned value is +** If an error occurs during execution of this function, *pRc is set to +** the appropriate SQLite error code. In this case the returned value is ** undefined. */ static int fts3EvalTestExpr( @@ -167373,10 +172383,10 @@ static int fts3EvalTestExpr( && fts3EvalNearTest(pExpr, pRc) ); - /* If the NEAR expression does not match any rows, zero the doclist for + /* If the NEAR expression does not match any rows, zero the doclist for ** all phrases involved in the NEAR. This is because the snippet(), - ** offsets() and matchinfo() functions are not supposed to recognize - ** any instances of phrases that are part of unmatched NEAR queries. + ** offsets() and matchinfo() functions are not supposed to recognize + ** any instances of phrases that are part of unmatched NEAR queries. ** For example if this expression: ** ** ... MATCH 'a OR (b NEAR c)' @@ -167388,8 +172398,8 @@ static int fts3EvalTestExpr( ** then any snippet() should ony highlight the "a" term, not the "b" ** (as "b" is part of a non-matching NEAR clause). */ - if( bHit==0 - && pExpr->eType==FTSQUERY_NEAR + if( bHit==0 + && pExpr->eType==FTSQUERY_NEAR && (pExpr->pParent==0 || pExpr->pParent->eType!=FTSQUERY_NEAR) ){ Fts3Expr *p; @@ -167421,7 +172431,7 @@ static int fts3EvalTestExpr( default: { #ifndef SQLITE_DISABLE_FTS4_DEFERRED - if( pCsr->pDeferred + if( pCsr->pDeferred && (pExpr->iDocid==pCsr->iPrevId || pExpr->bDeferred) ){ Fts3Phrase *pPhrase = pExpr->pPhrase; @@ -167435,7 +172445,10 @@ static int fts3EvalTestExpr( }else #endif { - bHit = (pExpr->bEof==0 && pExpr->iDocid==pCsr->iPrevId); + bHit = ( + pExpr->bEof==0 && pExpr->iDocid==pCsr->iPrevId + && pExpr->pPhrase->doclist.nList>0 + ); } break; } @@ -167477,7 +172490,7 @@ SQLITE_PRIVATE int sqlite3Fts3EvalTestDeferred(Fts3Cursor *pCsr, int *pRc){ ** memory and scan it to determine the position list for each deferred ** token. Then, see if this row is really a match, considering deferred ** tokens and NEAR operators (neither of which were taken into account - ** earlier, by fts3EvalNextRow()). + ** earlier, by fts3EvalNextRow()). */ if( pCsr->pDeferred ){ rc = fts3CursorSeek(0, pCsr); @@ -167532,7 +172545,7 @@ static int fts3EvalNext(Fts3Cursor *pCsr){ /* ** Restart interation for expression pExpr so that the next call to -** fts3EvalNext() visits the first row. Do not allow incremental +** fts3EvalNext() visits the first row. Do not allow incremental ** loading or merging of phrase doclists for this iteration. ** ** If *pRc is other than SQLITE_OK when this function is called, it is @@ -167575,11 +172588,11 @@ static void fts3EvalRestart( } /* -** After allocating the Fts3Expr.aMI[] array for each phrase in the +** After allocating the Fts3Expr.aMI[] array for each phrase in the ** expression rooted at pExpr, the cursor iterates through all rows matched ** by pExpr, calling this function for each row. This function increments ** the values in Fts3Expr.aMI[] according to the position-list currently -** found in Fts3Expr.pPhrase->doclist.pList for each of the phrase +** found in Fts3Expr.pPhrase->doclist.pList for each of the phrase ** expression nodes. */ static void fts3EvalUpdateCounts(Fts3Expr *pExpr, int nCol){ @@ -167673,9 +172686,9 @@ static int fts3EvalGatherStats( pCsr->isRequireSeek = 1; pCsr->isMatchinfoNeeded = 1; pCsr->iPrevId = pRoot->iDocid; - }while( pCsr->isEof==0 - && pRoot->eType==FTSQUERY_NEAR - && sqlite3Fts3EvalTestDeferred(pCsr, &rc) + }while( pCsr->isEof==0 + && pRoot->eType==FTSQUERY_NEAR + && sqlite3Fts3EvalTestDeferred(pCsr, &rc) ); if( rc==SQLITE_OK && pCsr->isEof==0 ){ @@ -167690,7 +172703,7 @@ static int fts3EvalGatherStats( pRoot->bEof = bEof; }else{ /* Caution: pRoot may iterate through docids in ascending or descending - ** order. For this reason, even though it seems more defensive, the + ** order. For this reason, even though it seems more defensive, the ** do loop can not be written: ** ** do {...} while( pRoot->iDocid<iDocid && rc==SQLITE_OK ); @@ -167698,7 +172711,8 @@ static int fts3EvalGatherStats( fts3EvalRestart(pCsr, pRoot, &rc); do { fts3EvalNextRow(pCsr, pRoot, &rc); - assert( pRoot->bEof==0 ); + assert_fts3_nc( pRoot->bEof==0 ); + if( pRoot->bEof ) rc = FTS_CORRUPT_VTAB; }while( pRoot->iDocid!=iDocid && rc==SQLITE_OK ); } } @@ -167706,10 +172720,10 @@ static int fts3EvalGatherStats( } /* -** This function is used by the matchinfo() module to query a phrase +** This function is used by the matchinfo() module to query a phrase ** expression node for the following information: ** -** 1. The total number of occurrences of the phrase in each column of +** 1. The total number of occurrences of the phrase in each column of ** the FTS table (considering all rows), and ** ** 2. For each column, the number of rows in the table for which the @@ -167723,12 +172737,12 @@ static int fts3EvalGatherStats( ** ** Caveats: ** -** * If a phrase consists entirely of deferred tokens, then all output +** * If a phrase consists entirely of deferred tokens, then all output ** values are set to the number of documents in the table. In other -** words we assume that very common tokens occur exactly once in each +** words we assume that very common tokens occur exactly once in each ** column of each row of the table. ** -** * If a phrase contains some deferred tokens (and some non-deferred +** * If a phrase contains some deferred tokens (and some non-deferred ** tokens), count the potential occurrence identified by considering ** the non-deferred tokens instead of actual phrase occurrences. ** @@ -167766,14 +172780,14 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhraseStats( /* ** The expression pExpr passed as the second argument to this function -** must be of type FTSQUERY_PHRASE. +** must be of type FTSQUERY_PHRASE. ** ** The returned value is either NULL or a pointer to a buffer containing ** a position-list indicating the occurrences of the phrase in column iCol -** of the current row. +** of the current row. ** -** More specifically, the returned buffer contains 1 varint for each -** occurrence of the phrase in the column, stored using the normal (delta+2) +** More specifically, the returned buffer contains 1 varint for each +** occurrence of the phrase in the column, stored using the normal (delta+2) ** compression and is terminated by either an 0x01 or 0x00 byte. For example, ** if the requested column contains "a b X c d X X" and the position-list ** for 'X' is requested, the buffer returned may contain: @@ -167795,7 +172809,7 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( int iThis; sqlite3_int64 iDocid; - /* If this phrase is applies specifically to some column other than + /* If this phrase is applies specifically to some column other than ** column iCol, return a NULL pointer. */ *ppOut = 0; assert( iCol>=0 && iCol<pTab->nColumn ); @@ -167814,8 +172828,8 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( Fts3Expr *pNear; /* Most senior NEAR ancestor (or pExpr) */ int bMatch; - /* Check if this phrase descends from an OR expression node. If not, - ** return NULL. Otherwise, the entry that corresponds to docid + /* Check if this phrase descends from an OR expression node. If not, + ** return NULL. Otherwise, the entry that corresponds to docid ** pCsr->iPrevId may lie earlier in the doclist buffer. Or, if the ** tree that the node is part of has been marked as EOF, but the node ** itself is not EOF, then it may point to an earlier entry. */ @@ -167863,7 +172877,7 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( (pIter >= (pPh->doclist.aAll + pPh->doclist.nAll)); while( (pIter==0 || DOCID_CMP(iDocid, pCsr->iPrevId)<0 ) && bEof==0 ){ sqlite3Fts3DoclistNext( - bDescDoclist, pPh->doclist.aAll, pPh->doclist.nAll, + bDescDoclist, pPh->doclist.aAll, pPh->doclist.nAll, &pIter, &iDocid, &bEof ); } @@ -167872,7 +172886,7 @@ SQLITE_PRIVATE int sqlite3Fts3EvalPhrasePoslist( while( (pIter==0 || DOCID_CMP(iDocid, pCsr->iPrevId)>0 ) && bEof==0 ){ int dummy; sqlite3Fts3DoclistPrev( - bDescDoclist, pPh->doclist.aAll, pPh->doclist.nAll, + bDescDoclist, pPh->doclist.aAll, pPh->doclist.nAll, &pIter, &iDocid, &dummy, &bEof ); } @@ -167948,7 +172962,7 @@ SQLITE_PRIVATE int sqlite3Fts3Corrupt(){ __declspec(dllexport) #endif SQLITE_API int sqlite3_fts3_init( - sqlite3 *db, + sqlite3 *db, char **pzErrMsg, const sqlite3_api_routines *pApi ){ @@ -168042,11 +173056,11 @@ static int fts3auxConnectMethod( */ if( argc!=4 && argc!=5 ) goto bad_args; - zDb = argv[1]; + zDb = argv[1]; nDb = (int)strlen(zDb); if( argc==5 ){ if( nDb==4 && 0==sqlite3_strnicmp("temp", zDb, 4) ){ - zDb = argv[3]; + zDb = argv[3]; nDb = (int)strlen(zDb); zFts3 = argv[4]; }else{ @@ -168110,7 +173124,7 @@ static int fts3auxDisconnectMethod(sqlite3_vtab *pVtab){ ** xBestIndex - Analyze a WHERE and ORDER BY clause. */ static int fts3auxBestIndexMethod( - sqlite3_vtab *pVTab, + sqlite3_vtab *pVTab, sqlite3_index_info *pInfo ){ int i; @@ -168123,14 +173137,14 @@ static int fts3auxBestIndexMethod( UNUSED_PARAMETER(pVTab); /* This vtab delivers always results in "ORDER BY term ASC" order. */ - if( pInfo->nOrderBy==1 - && pInfo->aOrderBy[0].iColumn==0 + if( pInfo->nOrderBy==1 + && pInfo->aOrderBy[0].iColumn==0 && pInfo->aOrderBy[0].desc==0 ){ pInfo->orderByConsumed = 1; } - /* Search for equality and range constraints on the "term" column. + /* Search for equality and range constraints on the "term" column. ** And equality constraints on the hidden "languageid" column. */ for(i=0; i<pInfo->nConstraint; i++){ if( pInfo->aConstraint[i].usable ){ @@ -168211,11 +173225,11 @@ static int fts3auxCloseMethod(sqlite3_vtab_cursor *pCursor){ static int fts3auxGrowStatArray(Fts3auxCursor *pCsr, int nSize){ if( nSize>pCsr->nStat ){ struct Fts3auxColstats *aNew; - aNew = (struct Fts3auxColstats *)sqlite3_realloc64(pCsr->aStat, + aNew = (struct Fts3auxColstats *)sqlite3_realloc64(pCsr->aStat, sizeof(struct Fts3auxColstats) * nSize ); if( aNew==0 ) return SQLITE_NOMEM; - memset(&aNew[pCsr->nStat], 0, + memset(&aNew[pCsr->nStat], 0, sizeof(struct Fts3auxColstats) * (nSize - pCsr->nStat) ); pCsr->aStat = aNew; @@ -168275,8 +173289,8 @@ static int fts3auxNextMethod(sqlite3_vtab_cursor *pCursor){ /* State 1. In this state we are expecting either a 1, indicating ** that the following integer will be a column number, or the - ** start of a position list for column 0. - ** + ** start of a position list for column 0. + ** ** The only difference between state 1 and state 2 is that if the ** integer encountered in state 1 is not 0 or 1, then we need to ** increment the column 0 "nDoc" count for this term. @@ -168389,7 +173403,7 @@ static int fts3auxFilterMethod( if( pCsr->zStop==0 ) return SQLITE_NOMEM; pCsr->nStop = (int)strlen(pCsr->zStop); } - + if( iLangid>=0 ){ iLangVal = sqlite3_value_int(apVal[iLangid]); @@ -168528,15 +173542,15 @@ SQLITE_PRIVATE int sqlite3Fts3InitAux(sqlite3 *db){ ****************************************************************************** ** ** This module contains code that implements a parser for fts3 query strings -** (the right-hand argument to the MATCH operator). Because the supported +** (the right-hand argument to the MATCH operator). Because the supported ** syntax is relatively simple, the whole tokenizer/parser system is -** hand-coded. +** hand-coded. */ /* #include "fts3Int.h" */ #if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS3) /* -** By default, this module parses the legacy syntax that has been +** By default, this module parses the legacy syntax that has been ** traditionally used by fts3. Or, if SQLITE_ENABLE_FTS3_PARENTHESIS ** is defined, then it uses the new syntax. The differences between ** the new and the old syntaxes are: @@ -168545,7 +173559,7 @@ SQLITE_PRIVATE int sqlite3Fts3InitAux(sqlite3 *db){ ** ** b) The new syntax supports the AND and NOT operators. The old does not. ** -** c) The old syntax supports the "-" token qualifier. This is not +** c) The old syntax supports the "-" token qualifier. This is not ** supported by the new syntax (it is replaced by the NOT operator). ** ** d) When using the old syntax, the OR operator has a greater precedence @@ -168554,7 +173568,7 @@ SQLITE_PRIVATE int sqlite3Fts3InitAux(sqlite3 *db){ ** ** If compiled with SQLITE_TEST defined, then this module exports the ** symbol "int sqlite3_fts3_enable_parentheses". Setting this variable -** to zero causes the module to use the old syntax. If it is set to +** to zero causes the module to use the old syntax. If it is set to ** non-zero the new syntax is activated. This is so both syntaxes can ** be tested using a single build of testfixture. ** @@ -168583,7 +173597,7 @@ SQLITE_PRIVATE int sqlite3Fts3InitAux(sqlite3 *db){ #ifdef SQLITE_TEST SQLITE_API int sqlite3_fts3_enable_parentheses = 0; #else -# ifdef SQLITE_ENABLE_FTS3_PARENTHESIS +# ifdef SQLITE_ENABLE_FTS3_PARENTHESIS # define sqlite3_fts3_enable_parentheses 1 # else # define sqlite3_fts3_enable_parentheses 0 @@ -168601,7 +173615,7 @@ SQLITE_API int sqlite3_fts3_enable_parentheses = 0; /* ** isNot: ** This variable is used by function getNextNode(). When getNextNode() is -** called, it sets ParseContext.isNot to true if the 'next node' is a +** called, it sets ParseContext.isNot to true if the 'next node' is a ** FTSQUERY_PHRASE with a unary "-" attached to it. i.e. "mysql" in the ** FTS3 query "sqlite -mysql". Otherwise, ParseContext.isNot is set to ** zero. @@ -168620,7 +173634,7 @@ struct ParseContext { }; /* -** This function is equivalent to the standard isspace() function. +** This function is equivalent to the standard isspace() function. ** ** The standard isspace() can be awkward to use safely, because although it ** is defined to accept an argument of type int, its behavior when passed @@ -168636,7 +173650,7 @@ static int fts3isspace(char c){ /* ** Allocate nByte bytes of memory using sqlite3_malloc(). If successful, -** zero the memory before returning a pointer to it. If unsuccessful, +** zero the memory before returning a pointer to it. If unsuccessful, ** return NULL. */ static void *fts3MallocZero(sqlite3_int64 nByte){ @@ -168684,7 +173698,7 @@ static int fts3ExprParse(ParseContext *, const char *, int, Fts3Expr **, int *); ** structure of type FTSQUERY_PHRASE containing a phrase consisting of this ** single token and set *ppExpr to point to it. If the end of the buffer is ** reached before a token is found, set *ppExpr to zero. It is the -** responsibility of the caller to eventually deallocate the allocated +** responsibility of the caller to eventually deallocate the allocated ** Fts3Expr structure (if any) by passing it to sqlite3_free(). ** ** Return SQLITE_OK if successful, or SQLITE_NOMEM if a memory allocation @@ -168738,8 +173752,8 @@ static int getNextToken( } while( 1 ){ - if( !sqlite3_fts3_enable_parentheses - && iStart>0 && z[iStart-1]=='-' + if( !sqlite3_fts3_enable_parentheses + && iStart>0 && z[iStart-1]=='-' ){ pParse->isNot = 1; iStart--; @@ -168759,7 +173773,7 @@ static int getNextToken( pModule->xClose(pCursor); } - + *ppExpr = pRet; return rc; } @@ -168781,7 +173795,7 @@ static void *fts3ReallocOrFree(void *pOrig, sqlite3_int64 nNew){ ** Buffer zInput, length nInput, contains the contents of a quoted string ** that appeared as part of an fts3 query expression. Neither quote character ** is included in the buffer. This function attempts to tokenize the entire -** input buffer and create an Fts3Expr structure of type FTSQUERY_PHRASE +** input buffer and create an Fts3Expr structure of type FTSQUERY_PHRASE ** containing the results. ** ** If successful, SQLITE_OK is returned and *ppExpr set to point at the @@ -168806,7 +173820,7 @@ static int getNextString( int nToken = 0; /* The final Fts3Expr data structure, including the Fts3Phrase, - ** Fts3PhraseToken structures token buffers are all stored as a single + ** Fts3PhraseToken structures token buffers are all stored as a single ** allocation so that the expression can be freed with a single call to ** sqlite3_free(). Setting this up requires a two pass approach. ** @@ -168815,7 +173829,7 @@ static int getNextString( ** to assemble data in two dynamic buffers: ** ** Buffer p: Points to the Fts3Expr structure, followed by the Fts3Phrase - ** structure, followed by the array of Fts3PhraseToken + ** structure, followed by the array of Fts3PhraseToken ** structures. This pass only populates the Fts3PhraseToken array. ** ** Buffer zTemp: Contains copies of all tokens. @@ -168900,7 +173914,7 @@ no_mem: } /* -** The output variable *ppExpr is populated with an allocated Fts3Expr +** The output variable *ppExpr is populated with an allocated Fts3Expr ** structure, or set to 0 if the end of the input buffer is reached. ** ** Returns an SQLite error code. SQLITE_OK if everything works, SQLITE_NOMEM @@ -168936,7 +173950,7 @@ static int getNextNode( pParse->isNot = 0; /* Skip over any whitespace before checking for a keyword, an open or - ** close bracket, or a quoted string. + ** close bracket, or a quoted string. */ while( nInput>0 && fts3isspace(*zInput) ){ nInput--; @@ -168963,19 +173977,16 @@ static int getNextNode( if( pKey->eType==FTSQUERY_NEAR ){ assert( nKey==4 ); if( zInput[4]=='/' && zInput[5]>='0' && zInput[5]<='9' ){ - nNear = 0; - for(nKey=5; zInput[nKey]>='0' && zInput[nKey]<='9'; nKey++){ - nNear = nNear * 10 + (zInput[nKey] - '0'); - } + nKey += 1+sqlite3Fts3ReadInt(&zInput[nKey+1], &nNear); } } /* At this point this is probably a keyword. But for that to be true, ** the next byte must contain either whitespace, an open or close - ** parenthesis, a quote character, or EOF. + ** parenthesis, a quote character, or EOF. */ cNext = zInput[nKey]; - if( fts3isspace(cNext) + if( fts3isspace(cNext) || cNext=='"' || cNext=='(' || cNext==')' || cNext==0 ){ pRet = (Fts3Expr *)fts3MallocZero(sizeof(Fts3Expr)); @@ -169024,15 +174035,15 @@ static int getNextNode( } } - /* If control flows to this point, this must be a regular token, or + /* If control flows to this point, this must be a regular token, or ** the end of the input. Read a regular token using the sqlite3_tokenizer ** interface. Before doing so, figure out if there is an explicit - ** column specifier for the token. + ** column specifier for the token. ** ** TODO: Strangely, it is not possible to associate a column specifier ** with a quoted phrase, only with a single token. Not sure if this was ** an implementation artifact or an intentional decision when fts3 was - ** first implemented. Whichever it was, this module duplicates the + ** first implemented. Whichever it was, this module duplicates the ** limitation. */ iCol = pParse->iDefaultCol; @@ -169040,8 +174051,8 @@ static int getNextNode( for(ii=0; ii<pParse->nCol; ii++){ const char *zStr = pParse->azCol[ii]; int nStr = (int)strlen(zStr); - if( nInput>nStr && zInput[nStr]==':' - && sqlite3_strnicmp(zStr, zInput, nStr)==0 + if( nInput>nStr && zInput[nStr]==':' + && sqlite3_strnicmp(zStr, zInput, nStr)==0 ){ iCol = ii; iColLen = (int)((zInput - z) + nStr + 1); @@ -169086,7 +174097,7 @@ static int opPrecedence(Fts3Expr *p){ } /* -** Argument ppHead contains a pointer to the current head of a query +** Argument ppHead contains a pointer to the current head of a query ** expression tree being parsed. pPrev is the expression node most recently ** inserted into the tree. This function adds pNew, which is always a binary ** operator node, into the expression tree based on the relative precedence @@ -169116,7 +174127,7 @@ static void insertBinaryOperator( /* ** Parse the fts3 query expression found in buffer z, length n. This function -** returns either when the end of the buffer is reached or an unmatched +** returns either when the end of the buffer is reached or an unmatched ** closing bracket - ')' - is encountered. ** ** If successful, SQLITE_OK is returned, *ppExpr is set to point to the @@ -169148,8 +174159,8 @@ static int fts3ExprParse( if( p ){ int isPhrase; - if( !sqlite3_fts3_enable_parentheses - && p->eType==FTSQUERY_PHRASE && pParse->isNot + if( !sqlite3_fts3_enable_parentheses + && p->eType==FTSQUERY_PHRASE && pParse->isNot ){ /* Create an implicit NOT operator. */ Fts3Expr *pNot = fts3MallocZero(sizeof(Fts3Expr)); @@ -169270,13 +174281,13 @@ exprparse_out: } /* -** Return SQLITE_ERROR if the maximum depth of the expression tree passed +** Return SQLITE_ERROR if the maximum depth of the expression tree passed ** as the only argument is more than nMaxDepth. */ static int fts3ExprCheckDepth(Fts3Expr *p, int nMaxDepth){ int rc = SQLITE_OK; if( p ){ - if( nMaxDepth<0 ){ + if( nMaxDepth<0 ){ rc = SQLITE_TOOBIG; }else{ rc = fts3ExprCheckDepth(p->pLeft, nMaxDepth-1); @@ -169291,12 +174302,12 @@ static int fts3ExprCheckDepth(Fts3Expr *p, int nMaxDepth){ /* ** This function attempts to transform the expression tree at (*pp) to ** an equivalent but more balanced form. The tree is modified in place. -** If successful, SQLITE_OK is returned and (*pp) set to point to the -** new root expression node. +** If successful, SQLITE_OK is returned and (*pp) set to point to the +** new root expression node. ** ** nMaxDepth is the maximum allowable depth of the balanced sub-tree. ** -** Otherwise, if an error occurs, an SQLite error code is returned and +** Otherwise, if an error occurs, an SQLite error code is returned and ** expression (*pp) freed. */ static int fts3ExprBalance(Fts3Expr **pp, int nMaxDepth){ @@ -169411,7 +174422,7 @@ static int fts3ExprBalance(Fts3Expr **pp, int nMaxDepth){ } pRoot = p; }else{ - /* An error occurred. Delete the contents of the apLeaf[] array + /* An error occurred. Delete the contents of the apLeaf[] array ** and pFree list. Everything else is cleaned up by the call to ** sqlite3Fts3ExprFree(pRoot) below. */ Fts3Expr *pDel; @@ -169453,7 +174464,7 @@ static int fts3ExprBalance(Fts3Expr **pp, int nMaxDepth){ } } } - + if( rc!=SQLITE_OK ){ sqlite3Fts3ExprFree(pRoot); pRoot = 0; @@ -169467,9 +174478,9 @@ static int fts3ExprBalance(Fts3Expr **pp, int nMaxDepth){ ** differences: ** ** 1. It does not do expression rebalancing. -** 2. It does not check that the expression does not exceed the +** 2. It does not check that the expression does not exceed the ** maximum allowable depth. -** 3. Even if it fails, *ppExpr may still be set to point to an +** 3. Even if it fails, *ppExpr may still be set to point to an ** expression tree. It should be deleted using sqlite3Fts3ExprFree() ** in this case. */ @@ -169508,7 +174519,7 @@ static int fts3ExprParseUnbalanced( if( rc==SQLITE_OK && sParse.nNest ){ rc = SQLITE_ERROR; } - + return rc; } @@ -169527,7 +174538,7 @@ static int fts3ExprParseUnbalanced( ** The first parameter, pTokenizer, is passed the fts3 tokenizer module to ** use to normalize query tokens while parsing the expression. The azCol[] ** array, which is assumed to contain nCol entries, should contain the names -** of each column in the target fts3 table, in order from left to right. +** of each column in the target fts3 table, in order from left to right. ** Column names must be nul-terminated strings. ** ** The iDefaultCol parameter should be passed the index of the table column @@ -169550,7 +174561,7 @@ SQLITE_PRIVATE int sqlite3Fts3ExprParse( int rc = fts3ExprParseUnbalanced( pTokenizer, iLangid, azCol, bFts4, nCol, iDefaultCol, z, n, ppExpr ); - + /* Rebalance the expression. And check that its depth does not exceed ** SQLITE_FTS3_MAX_EXPR_DEPTH. */ if( rc==SQLITE_OK && *ppExpr ){ @@ -169565,7 +174576,7 @@ SQLITE_PRIVATE int sqlite3Fts3ExprParse( *ppExpr = 0; if( rc==SQLITE_TOOBIG ){ sqlite3Fts3ErrMsg(pzErr, - "FTS expression tree is too large (maximum depth %d)", + "FTS expression tree is too large (maximum depth %d)", SQLITE_FTS3_MAX_EXPR_DEPTH ); rc = SQLITE_ERROR; @@ -169627,11 +174638,11 @@ SQLITE_PRIVATE void sqlite3Fts3ExprFree(Fts3Expr *pDel){ /* ** Return a pointer to a buffer containing a text representation of the ** expression passed as the first argument. The buffer is obtained from -** sqlite3_malloc(). It is the responsibility of the caller to use +** sqlite3_malloc(). It is the responsibility of the caller to use ** sqlite3_free() to release the memory. If an OOM condition is encountered, ** NULL is returned. ** -** If the second argument is not NULL, then its contents are prepended to +** If the second argument is not NULL, then its contents are prepended to ** the returned expression text and then freed using sqlite3_free(). */ static char *exprToString(Fts3Expr *pExpr, char *zBuf){ @@ -169645,7 +174656,7 @@ static char *exprToString(Fts3Expr *pExpr, char *zBuf){ zBuf = sqlite3_mprintf( "%zPHRASE %d 0", zBuf, pPhrase->iColumn); for(i=0; zBuf && i<pPhrase->nToken; i++){ - zBuf = sqlite3_mprintf("%z %.*s%s", zBuf, + zBuf = sqlite3_mprintf("%z %.*s%s", zBuf, pPhrase->aToken[i].n, pPhrase->aToken[i].z, (pPhrase->aToken[i].isPrefix?"+":"") ); @@ -169678,7 +174689,7 @@ static char *exprToString(Fts3Expr *pExpr, char *zBuf){ } /* -** This is the implementation of a scalar SQL function used to test the +** This is the implementation of a scalar SQL function used to test the ** expression parser. It should be called as follows: ** ** fts3_exprtest(<tokenizer>, <expr>, <column 1>, ...); @@ -169711,7 +174722,7 @@ static void fts3ExprTestCommon( char *zErr = 0; if( argc<3 ){ - sqlite3_result_error(context, + sqlite3_result_error(context, "Usage: fts3_exprtest(tokenizer, expr, col1, ...", -1 ); return; @@ -169789,15 +174800,15 @@ static void fts3ExprTestRebalance( } /* -** Register the query expression parser test function fts3_exprtest() -** with database connection db. +** Register the query expression parser test function fts3_exprtest() +** with database connection db. */ SQLITE_PRIVATE int sqlite3Fts3ExprInitTestInterface(sqlite3 *db, Fts3Hash *pHash){ int rc = sqlite3_create_function( db, "fts3_exprtest", -1, SQLITE_UTF8, (void*)pHash, fts3ExprTest, 0, 0 ); if( rc==SQLITE_OK ){ - rc = sqlite3_create_function(db, "fts3_exprtest_rebalance", + rc = sqlite3_create_function(db, "fts3_exprtest_rebalance", -1, SQLITE_UTF8, (void*)pHash, fts3ExprTestRebalance, 0, 0 ); } @@ -169861,8 +174872,8 @@ static void fts3HashFree(void *p){ ** fields of the Hash structure. ** ** "pNew" is a pointer to the hash table that is to be initialized. -** keyClass is one of the constants -** FTS3_HASH_BINARY or FTS3_HASH_STRING. The value of keyClass +** keyClass is one of the constants +** FTS3_HASH_BINARY or FTS3_HASH_STRING. The value of keyClass ** determines what kind of key the hash table will use. "copyKey" is ** true if the hash table should make its own private copy of keys and ** false if it should just use the supplied pointer. @@ -169939,7 +174950,7 @@ static int fts3BinCompare(const void *pKey1, int n1, const void *pKey2, int n2){ /* ** Return a pointer to the appropriate hash function given the key class. ** -** The C syntax in this function definition may be unfamilar to some +** The C syntax in this function definition may be unfamilar to some ** programmers, so we provide the following additional explanation: ** ** The name of the function is "ftsHashFunction". The function takes a @@ -169999,7 +175010,7 @@ static void fts3HashInsertElement( /* Resize the hash table so that it cantains "new_size" buckets. -** "new_size" must be a power of 2. The hash table might fail +** "new_size" must be a power of 2. The hash table might fail ** to resize if sqliteMalloc() fails. ** ** Return non-zero if a memory allocation error occurs. @@ -170044,7 +175055,7 @@ static Fts3HashElem *fts3FindElementByHash( count = pEntry->count; xCompare = ftsCompareFunction(pH->keyClass); while( count-- && elem ){ - if( (*xCompare)(elem->pKey,elem->nKey,pKey,nKey)==0 ){ + if( (*xCompare)(elem->pKey,elem->nKey,pKey,nKey)==0 ){ return elem; } elem = elem->next; @@ -170063,7 +175074,7 @@ static void fts3RemoveElementByHash( ){ struct _fts3ht *pEntry; if( elem->prev ){ - elem->prev->next = elem->next; + elem->prev->next = elem->next; }else{ pH->first = elem->next; } @@ -170091,8 +175102,8 @@ static void fts3RemoveElementByHash( } SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem( - const Fts3Hash *pH, - const void *pKey, + const Fts3Hash *pH, + const void *pKey, int nKey ){ int h; /* A hash on key */ @@ -170106,7 +175117,7 @@ SQLITE_PRIVATE Fts3HashElem *sqlite3Fts3HashFindElem( return fts3FindElementByHash(pH,pKey,nKey, h & (pH->htsize-1)); } -/* +/* ** Attempt to locate an element of the hash table pH with a key ** that matches pKey,nKey. Return the data for this element if it is ** found, or NULL if there is no match. @@ -170280,7 +175291,7 @@ static int porterDestroy(sqlite3_tokenizer *pTokenizer){ /* ** Prepare to begin tokenizing a particular string. The input ** string to be tokenized is zInput[0..nInput-1]. A cursor -** used to incrementally tokenize this string is returned in +** used to incrementally tokenize this string is returned in ** *ppCursor. */ static int porterOpen( @@ -170333,7 +175344,7 @@ static const char cType[] = { /* ** isConsonant() and isVowel() determine if their first character in ** the string they point to is a consonant or a vowel, according -** to Porter ruls. +** to Porter ruls. ** ** A consonate is any letter other than 'a', 'e', 'i', 'o', or 'u'. ** 'Y' is a consonant unless it follows another consonant, @@ -170453,11 +175464,11 @@ static int star_oh(const char *z){ /* ** If the word ends with zFrom and xCond() is true for the stem -** of the word that preceeds the zFrom ending, then change the +** of the word that preceeds the zFrom ending, then change the ** ending to zTo. ** ** The input word *pz and zFrom are both in reverse order. zTo -** is in normal order. +** is in normal order. ** ** Return TRUE if zFrom matches. Return FALSE if zFrom does not ** match. Not that TRUE is returned even if xCond() fails and @@ -170526,9 +175537,9 @@ static void copy_stemmer(const char *zIn, int nIn, char *zOut, int *pnOut){ ** word contains digits, 3 bytes are taken from the beginning and ** 3 bytes from the end. For long words without digits, 10 bytes ** are taken from each end. US-ASCII case folding still applies. -** -** If the input word contains not digits but does characters not -** in [a-zA-Z] then no stemming is attempted and this routine just +** +** If the input word contains not digits but does characters not +** in [a-zA-Z] then no stemming is attempted and this routine just ** copies the input into the input into the output with US-ASCII ** case folding. ** @@ -170573,11 +175584,11 @@ static void porter_stemmer(const char *zIn, int nIn, char *zOut, int *pnOut){ } } - /* Step 1b */ + /* Step 1b */ z2 = z; if( stem(&z, "dee", "ee", m_gt_0) ){ /* Do nothing. The work was all in the test */ - }else if( + }else if( (stem(&z, "gni", "", hasVowel) || stem(&z, "de", "", hasVowel)) && z!=z2 ){ @@ -170616,7 +175627,7 @@ static void porter_stemmer(const char *zIn, int nIn, char *zOut, int *pnOut){ stem(&z, "igol", "log", m_gt_0); break; case 'l': - if( !stem(&z, "ilb", "ble", m_gt_0) + if( !stem(&z, "ilb", "ble", m_gt_0) && !stem(&z, "illa", "al", m_gt_0) && !stem(&z, "iltne", "ent", m_gt_0) && !stem(&z, "ile", "e", m_gt_0) @@ -170904,7 +175915,7 @@ static int fts3TokenizerEnabled(sqlite3_context *context){ } /* -** Implementation of the SQL scalar function for accessing the underlying +** Implementation of the SQL scalar function for accessing the underlying ** hash table. This function may be called as follows: ** ** SELECT <function-name>(<key-name>); @@ -171076,7 +176087,7 @@ SQLITE_PRIVATE int sqlite3Fts3InitTokenizer( if( rc!=SQLITE_OK ){ sqlite3Fts3ErrMsg(pzErr, "unknown tokenizer"); }else{ - (*ppTok)->pModule = m; + (*ppTok)->pModule = m; } sqlite3_free((void *)aArg); } @@ -171096,7 +176107,7 @@ SQLITE_PRIVATE int sqlite3Fts3InitTokenizer( /* #include <string.h> */ /* -** Implementation of a special SQL scalar function for testing tokenizers +** Implementation of a special SQL scalar function for testing tokenizers ** designed to be used in concert with the Tcl testing framework. This ** function must be called with two or more arguments: ** @@ -171108,9 +176119,9 @@ SQLITE_PRIVATE int sqlite3Fts3InitTokenizer( ** ** The return value is a string that may be interpreted as a Tcl ** list. For each token in the <input-string>, three elements are -** added to the returned list. The first is the token position, the +** added to the returned list. The first is the token position, the ** second is the token text (folded, stemmed, etc.) and the third is the -** substring of <input-string> associated with the token. For example, +** substring of <input-string> associated with the token. For example, ** using the built-in "simple" tokenizer: ** ** SELECT fts_tokenizer_test('simple', 'I don't see how'); @@ -171118,7 +176129,7 @@ SQLITE_PRIVATE int sqlite3Fts3InitTokenizer( ** will return the string: ** ** "{0 i I 1 dont don't 2 see see 3 how how}" -** +** */ static void testFunc( sqlite3_context *context, @@ -171213,8 +176224,8 @@ finish: static int registerTokenizer( - sqlite3 *db, - char *zName, + sqlite3 *db, + char *zName, const sqlite3_tokenizer_module *p ){ int rc; @@ -171236,8 +176247,8 @@ int registerTokenizer( static int queryTokenizer( - sqlite3 *db, - char *zName, + sqlite3 *db, + char *zName, const sqlite3_tokenizer_module **pp ){ int rc; @@ -171252,7 +176263,9 @@ int queryTokenizer( sqlite3_bind_text(pStmt, 1, zName, -1, SQLITE_STATIC); if( SQLITE_ROW==sqlite3_step(pStmt) ){ - if( sqlite3_column_type(pStmt, 0)==SQLITE_BLOB ){ + if( sqlite3_column_type(pStmt, 0)==SQLITE_BLOB + && sqlite3_column_bytes(pStmt, 0)==sizeof(*pp) + ){ memcpy((void *)pp, sqlite3_column_blob(pStmt, 0), sizeof(*pp)); } } @@ -171320,28 +176333,28 @@ static void intTestFunc( /* ** Set up SQL objects in database db used to access the contents of ** the hash table pointed to by argument pHash. The hash table must -** been initialized to use string keys, and to take a private copy +** been initialized to use string keys, and to take a private copy ** of the key when a value is inserted. i.e. by a call similar to: ** ** sqlite3Fts3HashInit(pHash, FTS3_HASH_STRING, 1); ** ** This function adds a scalar function (see header comment above ** fts3TokenizerFunc() in this file for details) and, if ENABLE_TABLE is -** defined at compilation time, a temporary virtual table (see header -** comment above struct HashTableVtab) to the database schema. Both +** defined at compilation time, a temporary virtual table (see header +** comment above struct HashTableVtab) to the database schema. Both ** provide read/write access to the contents of *pHash. ** ** The third argument to this function, zName, is used as the name ** of both the scalar and, if created, the virtual table. */ SQLITE_PRIVATE int sqlite3Fts3InitHashTable( - sqlite3 *db, - Fts3Hash *pHash, + sqlite3 *db, + Fts3Hash *pHash, const char *zName ){ int rc = SQLITE_OK; void *p = (void *)pHash; - const int any = SQLITE_ANY; + const int any = SQLITE_UTF8|SQLITE_DIRECTONLY; #ifdef SQLITE_TEST char *zTest = 0; @@ -171490,7 +176503,7 @@ static int simpleDestroy(sqlite3_tokenizer *pTokenizer){ /* ** Prepare to begin tokenizing a particular string. The input ** string to be tokenized is pInput[0..nBytes-1]. A cursor -** used to incrementally tokenize this string is returned in +** used to incrementally tokenize this string is returned in ** *ppCursor. */ static int simpleOpen( @@ -171645,8 +176658,8 @@ SQLITE_PRIVATE void sqlite3Fts3SimpleTokenizerModule( ** ** input = <string> ** -** The virtual table module tokenizes this <string>, using the FTS3 -** tokenizer specified by the arguments to the CREATE VIRTUAL TABLE +** The virtual table module tokenizes this <string>, using the FTS3 +** tokenizer specified by the arguments to the CREATE VIRTUAL TABLE ** statement and returns one row for each token in the result. With ** fields set as follows: ** @@ -171715,7 +176728,7 @@ static int fts3tokQueryTokenizer( /* ** The second argument, argv[], is an array of pointers to nul-terminated -** strings. This function makes a copy of the array and strings into a +** strings. This function makes a copy of the array and strings into a ** single block of memory. It then dequotes any of the strings that appear ** to be quoted. ** @@ -171771,7 +176784,7 @@ static int fts3tokDequoteArray( ** and xCreate are identical operations. ** ** argv[0]: module name -** argv[1]: database name +** argv[1]: database name ** argv[2]: table name ** argv[3]: first argument (tokenizer name) */ @@ -171808,7 +176821,8 @@ static int fts3tokConnectMethod( assert( (rc==SQLITE_OK)==(pMod!=0) ); if( rc==SQLITE_OK ){ - const char * const *azArg = (const char * const *)&azDequote[1]; + const char * const *azArg = 0; + if( nDequote>1 ) azArg = (const char * const *)&azDequote[1]; rc = pMod->xCreate((nDequote>1 ? nDequote-1 : 0), azArg, &pTok); } @@ -171851,16 +176865,16 @@ static int fts3tokDisconnectMethod(sqlite3_vtab *pVtab){ ** xBestIndex - Analyze a WHERE and ORDER BY clause. */ static int fts3tokBestIndexMethod( - sqlite3_vtab *pVTab, + sqlite3_vtab *pVTab, sqlite3_index_info *pInfo ){ int i; UNUSED_PARAMETER(pVTab); for(i=0; i<pInfo->nConstraint; i++){ - if( pInfo->aConstraint[i].usable - && pInfo->aConstraint[i].iColumn==0 - && pInfo->aConstraint[i].op==SQLITE_INDEX_CONSTRAINT_EQ + if( pInfo->aConstraint[i].usable + && pInfo->aConstraint[i].iColumn==0 + && pInfo->aConstraint[i].op==SQLITE_INDEX_CONSTRAINT_EQ ){ pInfo->idxNum = 1; pInfo->aConstraintUsage[i].argvIndex = 1; @@ -171970,7 +176984,7 @@ static int fts3tokFilterMethod( if( pCsr->zInput==0 ){ rc = SQLITE_NOMEM; }else{ - memcpy(pCsr->zInput, zByte, nByte); + if( nByte>0 ) memcpy(pCsr->zInput, zByte, nByte); pCsr->zInput[nByte] = 0; rc = pTab->pMod->xOpen(pTab->pTok, pCsr->zInput, nByte, &pCsr->pCsr); if( rc==SQLITE_OK ){ @@ -172091,7 +177105,7 @@ SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3 *db, Fts3Hash *pHash){ ** This file is part of the SQLite FTS3 extension module. Specifically, ** this file contains code to insert, update and delete rows from FTS3 ** tables. It also contains code to merge FTS3 b-tree segments. Some -** of the sub-routines used to merge segments are also used by the query +** of the sub-routines used to merge segments are also used by the query ** code in fts3.c. */ @@ -172101,13 +177115,13 @@ SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3 *db, Fts3Hash *pHash){ /* #include <string.h> */ /* #include <assert.h> */ /* #include <stdlib.h> */ - +/* #include <stdio.h> */ #define FTS_MAX_APPENDABLE_HEIGHT 16 /* ** When full-text index nodes are loaded from disk, the buffer that they -** are loaded into has the following number of bytes of padding at the end +** are loaded into has the following number of bytes of padding at the end ** of it. i.e. if a full-text index node is 900 bytes in size, then a buffer ** of 920 bytes is allocated for it. ** @@ -172124,10 +177138,10 @@ SQLITE_PRIVATE int sqlite3Fts3InitTok(sqlite3 *db, Fts3Hash *pHash){ ** method before retrieving all query results (as may happen, for example, ** if a query has a LIMIT clause). ** -** Incremental loading is used for b-tree nodes FTS3_NODE_CHUNK_THRESHOLD +** Incremental loading is used for b-tree nodes FTS3_NODE_CHUNK_THRESHOLD ** bytes and larger. Nodes are loaded in chunks of FTS3_NODE_CHUNKSIZE bytes. -** The code is written so that the hard lower-limit for each of these values -** is 1. Clearly such small values would be inefficient, but can be useful +** The code is written so that the hard lower-limit for each of these values +** is 1. Clearly such small values would be inefficient, but can be useful ** for testing purposes. ** ** If this module is built with SQLITE_TEST defined, these constants may @@ -172140,12 +177154,12 @@ int test_fts3_node_chunk_threshold = (4*1024)*4; # define FTS3_NODE_CHUNKSIZE test_fts3_node_chunksize # define FTS3_NODE_CHUNK_THRESHOLD test_fts3_node_chunk_threshold #else -# define FTS3_NODE_CHUNKSIZE (4*1024) +# define FTS3_NODE_CHUNKSIZE (4*1024) # define FTS3_NODE_CHUNK_THRESHOLD (FTS3_NODE_CHUNKSIZE*4) #endif /* -** The two values that may be meaningfully bound to the :1 parameter in +** The values that may be meaningfully bound to the :1 parameter in ** statements SQL_REPLACE_STAT and SQL_SELECT_STAT. */ #define FTS_STAT_DOCTOTAL 0 @@ -172154,7 +177168,7 @@ int test_fts3_node_chunk_threshold = (4*1024)*4; /* ** If FTS_LOG_MERGES is defined, call sqlite3_log() to report each automatic -** and incremental merge operation that takes place. This is used for +** and incremental merge operation that takes place. This is used for ** debugging FTS only, it should not usually be turned on in production ** systems. */ @@ -172240,7 +177254,7 @@ struct Fts3SegReader { char *aDoclist; /* Pointer to doclist of current entry */ int nDoclist; /* Size of doclist in current entry */ - /* The following variables are used by fts3SegReaderNextDocid() to iterate + /* The following variables are used by fts3SegReaderNextDocid() to iterate ** through the current doclist (aDoclist/nDoclist). */ char *pOffsetList; @@ -172285,11 +177299,11 @@ struct SegmentWriter { ** fts3NodeFree() ** ** When a b+tree is written to the database (either as a result of a merge -** or the pending-terms table being flushed), leaves are written into the +** or the pending-terms table being flushed), leaves are written into the ** database file as soon as they are completely populated. The interior of ** the tree is assembled in memory and written out only once all leaves have ** been populated and stored. This is Ok, as the b+-tree fanout is usually -** very large, meaning that the interior of the tree consumes relatively +** very large, meaning that the interior of the tree consumes relatively ** little memory. */ struct SegmentNode { @@ -172310,7 +177324,7 @@ struct SegmentNode { */ #define SQL_DELETE_CONTENT 0 #define SQL_IS_EMPTY 1 -#define SQL_DELETE_ALL_CONTENT 2 +#define SQL_DELETE_ALL_CONTENT 2 #define SQL_DELETE_ALL_SEGMENTS 3 #define SQL_DELETE_ALL_SEGDIR 4 #define SQL_DELETE_ALL_DOCSIZE 5 @@ -172358,7 +177372,7 @@ struct SegmentNode { ** Otherwise, an SQLite error code is returned and *pp is set to 0. ** ** If argument apVal is not NULL, then it must point to an array with -** at least as many entries as the requested statement has bound +** at least as many entries as the requested statement has bound ** parameters. The values are bound to the statements parameters before ** returning. */ @@ -172382,7 +177396,7 @@ static int fts3SqlStmt( /* 10 */ "SELECT coalesce((SELECT max(blockid) FROM %Q.'%q_segments') + 1, 1)", /* 11 */ "REPLACE INTO %Q.'%q_segdir' VALUES(?,?,?,?,?,?)", - /* Return segments in order from oldest to newest.*/ + /* Return segments in order from oldest to newest.*/ /* 12 */ "SELECT idx, start_block, leaves_end_block, end_block, root " "FROM %Q.'%q_segdir' WHERE level = ? ORDER BY idx ASC", /* 13 */ "SELECT idx, start_block, leaves_end_block, end_block, root " @@ -172413,13 +177427,15 @@ static int fts3SqlStmt( ** returns zero rows. */ /* 28 */ "SELECT level, count(*) AS cnt FROM %Q.'%q_segdir' " " GROUP BY level HAVING cnt>=?" - " ORDER BY (level %% 1024) ASC LIMIT 1", + " ORDER BY (level %% 1024) ASC, 2 DESC LIMIT 1", /* Estimate the upper limit on the number of leaf nodes in a new segment -** created by merging the oldest :2 segments from absolute level :1. See +** created by merging the oldest :2 segments from absolute level :1. See ** function sqlite3Fts3Incrmerge() for details. */ /* 29 */ "SELECT 2 * total(1 + leaves_end_block - start_block) " - " FROM %Q.'%q_segdir' WHERE level = ? AND idx < ?", + " FROM (SELECT * FROM %Q.'%q_segdir' " + " WHERE level = ? ORDER BY idx ASC LIMIT ?" + " )", /* SQL_DELETE_SEGDIR_ENTRY ** Delete the %_segdir entry on absolute level :1 with index :2. */ @@ -172431,7 +177447,7 @@ static int fts3SqlStmt( /* 31 */ "UPDATE %Q.'%q_segdir' SET idx = ? WHERE level=? AND idx=?", /* SQL_SELECT_SEGDIR -** Read a single entry from the %_segdir table. The entry from absolute +** Read a single entry from the %_segdir table. The entry from absolute ** level :1 with index value :2. */ /* 32 */ "SELECT idx, start_block, leaves_end_block, end_block, root " "FROM %Q.'%q_segdir' WHERE level = ? AND idx = ?", @@ -172455,7 +177471,7 @@ static int fts3SqlStmt( ** Return the largest relative level in the FTS index or indexes. */ /* 36 */ "SELECT max( level %% 1024 ) FROM %Q.'%q_segdir'", - /* Return segments in order from oldest to newest.*/ + /* Return segments in order from oldest to newest.*/ /* 37 */ "SELECT level, idx, end_block " "FROM %Q.'%q_segdir' WHERE level BETWEEN ? AND ? " "ORDER BY level DESC, idx ASC", @@ -172471,7 +177487,7 @@ static int fts3SqlStmt( assert( SizeofArray(azSql)==SizeofArray(p->aStmt) ); assert( eStmt<SizeofArray(azSql) && eStmt>=0 ); - + pStmt = p->aStmt[eStmt]; if( !pStmt ){ int f = SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_NO_VTAB; @@ -172576,7 +177592,7 @@ static void fts3SqlExec( sqlite3_stmt *pStmt; int rc; if( *pRC ) return; - rc = fts3SqlStmt(p, eStmt, &pStmt, apVal); + rc = fts3SqlStmt(p, eStmt, &pStmt, apVal); if( rc==SQLITE_OK ){ sqlite3_step(pStmt); rc = sqlite3_reset(pStmt); @@ -172586,22 +177602,22 @@ static void fts3SqlExec( /* -** This function ensures that the caller has obtained an exclusive -** shared-cache table-lock on the %_segdir table. This is required before +** This function ensures that the caller has obtained an exclusive +** shared-cache table-lock on the %_segdir table. This is required before ** writing data to the fts3 table. If this lock is not acquired first, then ** the caller may end up attempting to take this lock as part of committing -** a transaction, causing SQLite to return SQLITE_LOCKED or +** a transaction, causing SQLite to return SQLITE_LOCKED or ** LOCKED_SHAREDCACHEto a COMMIT command. ** -** It is best to avoid this because if FTS3 returns any error when -** committing a transaction, the whole transaction will be rolled back. -** And this is not what users expect when they get SQLITE_LOCKED_SHAREDCACHE. -** It can still happen if the user locks the underlying tables directly +** It is best to avoid this because if FTS3 returns any error when +** committing a transaction, the whole transaction will be rolled back. +** And this is not what users expect when they get SQLITE_LOCKED_SHAREDCACHE. +** It can still happen if the user locks the underlying tables directly ** instead of accessing them via FTS. */ static int fts3Writelock(Fts3Table *p){ int rc = SQLITE_OK; - + if( p->nPendingData==0 ){ sqlite3_stmt *pStmt; rc = fts3SqlStmt(p, SQL_DELETE_SEGDIR_LEVEL, &pStmt, 0); @@ -172618,7 +177634,7 @@ static int fts3Writelock(Fts3Table *p){ /* ** FTS maintains a separate indexes for each language-id (a 32-bit integer). ** Within each language id, a separate index is maintained to store the -** document terms, and each configured prefix size (configured the FTS +** document terms, and each configured prefix size (configured the FTS ** "prefix=" option). And each index consists of multiple levels ("relative ** levels"). ** @@ -172628,14 +177644,14 @@ static int fts3Writelock(Fts3Table *p){ ** separate component values into the single 64-bit integer value that ** can be used to query the %_segdir table. ** -** Specifically, each language-id/index combination is allocated 1024 +** Specifically, each language-id/index combination is allocated 1024 ** 64-bit integer level values ("absolute levels"). The main terms index ** for language-id 0 is allocate values 0-1023. The first prefix index ** (if any) for language-id 0 is allocated values 1024-2047. And so on. ** Language 1 indexes are allocated immediately following language 0. ** ** So, for a system with nPrefix prefix indexes configured, the block of -** absolute levels that corresponds to language-id iLangid and index +** absolute levels that corresponds to language-id iLangid and index ** iIndex starts at absolute level ((iLangid * (nPrefix+1) + iIndex) * 1024). */ static sqlite3_int64 getAbsoluteLevel( @@ -172656,7 +177672,7 @@ static sqlite3_int64 getAbsoluteLevel( /* ** Set *ppStmt to a statement handle that may be used to iterate through ** all rows in the %_segdir table, from oldest to newest. If successful, -** return SQLITE_OK. If an error occurs while preparing the statement, +** return SQLITE_OK. If an error occurs while preparing the statement, ** return an SQLite error code. ** ** There is only ever one instance of this SQL statement compiled for @@ -172687,16 +177703,16 @@ SQLITE_PRIVATE int sqlite3Fts3AllSegdirs( if( iLevel<0 ){ /* "SELECT * FROM %_segdir WHERE level BETWEEN ? AND ? ORDER BY ..." */ rc = fts3SqlStmt(p, SQL_SELECT_LEVEL_RANGE, &pStmt, 0); - if( rc==SQLITE_OK ){ + if( rc==SQLITE_OK ){ sqlite3_bind_int64(pStmt, 1, getAbsoluteLevel(p, iLangid, iIndex, 0)); - sqlite3_bind_int64(pStmt, 2, + sqlite3_bind_int64(pStmt, 2, getAbsoluteLevel(p, iLangid, iIndex, FTS3_SEGDIR_MAXLEVEL-1) ); } }else{ /* "SELECT * FROM %_segdir WHERE level = ? ORDER BY ..." */ rc = fts3SqlStmt(p, SQL_SELECT_LEVEL, &pStmt, 0); - if( rc==SQLITE_OK ){ + if( rc==SQLITE_OK ){ sqlite3_bind_int64(pStmt, 1, getAbsoluteLevel(p, iLangid, iIndex,iLevel)); } } @@ -172774,7 +177790,7 @@ static int fts3PendingListAppend( assert( !p || p->iLastDocid<=iDocid ); if( !p || p->iLastDocid!=iDocid ){ - sqlite3_int64 iDelta = iDocid - (p ? p->iLastDocid : 0); + u64 iDelta = (u64)iDocid - (u64)(p ? p->iLastDocid : 0); if( p ){ assert( p->nData<p->nSpace ); assert( p->aData[p->nData]==0 ); @@ -172840,7 +177856,7 @@ static int fts3PendingTermsAddOne( } if( fts3PendingListAppend(&pList, p->iPrevDocid, iCol, iPos, &rc) ){ if( pList==fts3HashInsert(pHash, zToken, nToken, pList) ){ - /* Malloc failed while inserting the new entry. This can only + /* Malloc failed while inserting the new entry. This can only ** happen if there was no previous entry for this token. */ assert( 0==fts3HashFind(pHash, zToken, nToken) ); @@ -172886,7 +177902,7 @@ static int fts3PendingTermsAdd( assert( pTokenizer && pModule ); /* If the user has inserted a NULL value, this function may be called with - ** zText==0. In this case, add zero token entries to the hash table and + ** zText==0. In this case, add zero token entries to the hash table and ** return early. */ if( zText==0 ){ *pnWord = 0; @@ -172917,8 +177933,8 @@ static int fts3PendingTermsAdd( rc = fts3PendingTermsAddOne( p, iCol, iPos, &p->aIndex[0].hPending, zToken, nToken ); - - /* Add the term to each of the prefix indexes that it is not too + + /* Add the term to each of the prefix indexes that it is not too ** short for. */ for(i=1; rc==SQLITE_OK && i<p->nIndex; i++){ struct Fts3Index *pIndex = &p->aIndex[i]; @@ -172934,8 +177950,8 @@ static int fts3PendingTermsAdd( return (rc==SQLITE_DONE ? SQLITE_OK : rc); } -/* -** Calling this function indicates that subsequent calls to +/* +** Calling this function indicates that subsequent calls to ** fts3PendingTermsAdd() are to add term/position-list pairs for the ** contents of the document with docid iDocid. */ @@ -172954,10 +177970,10 @@ static int fts3PendingTermsDocid( ** buffer was half empty, that would let the less frequent terms ** generate longer doclists. */ - if( iDocid<p->iPrevDocid + if( iDocid<p->iPrevDocid || (iDocid==p->iPrevDocid && p->bPrevDelete==0) || p->iPrevLangid!=iLangid - || p->nPendingData>p->nMaxPendingData + || p->nPendingData>p->nMaxPendingData ){ int rc = sqlite3Fts3PendingTermsFlush(p); if( rc!=SQLITE_OK ) return rc; @@ -172969,7 +177985,7 @@ static int fts3PendingTermsDocid( } /* -** Discard the contents of the pending-terms hash tables. +** Discard the contents of the pending-terms hash tables. */ SQLITE_PRIVATE void sqlite3Fts3PendingTermsClear(Fts3Table *p){ int i; @@ -172994,9 +178010,9 @@ SQLITE_PRIVATE void sqlite3Fts3PendingTermsClear(Fts3Table *p){ ** fts3InsertData(). Parameter iDocid is the docid of the new row. */ static int fts3InsertTerms( - Fts3Table *p, - int iLangid, - sqlite3_value **apVal, + Fts3Table *p, + int iLangid, + sqlite3_value **apVal, u32 *aSz ){ int i; /* Iterator variable */ @@ -173059,7 +178075,7 @@ static int fts3InsertData( rc = fts3SqlStmt(p, SQL_CONTENT_INSERT, &pContentInsert, &apVal[1]); if( rc==SQLITE_OK && p->zLanguageid ){ rc = sqlite3_bind_int( - pContentInsert, p->nColumn+2, + pContentInsert, p->nColumn+2, sqlite3_value_int(apVal[p->nColumn+4]) ); } @@ -173086,8 +178102,8 @@ static int fts3InsertData( if( rc!=SQLITE_OK ) return rc; } - /* Execute the statement to insert the record. Set *piDocid to the - ** new docid value. + /* Execute the statement to insert the record. Set *piDocid to the + ** new docid value. */ sqlite3_step(pContentInsert); rc = sqlite3_reset(pContentInsert); @@ -173137,7 +178153,7 @@ static int langidFromSelect(Fts3Table *p, sqlite3_stmt *pSelect){ ** (an integer) of a row about to be deleted. Remove all terms from the ** full-text index. */ -static void fts3DeleteTerms( +static void fts3DeleteTerms( int *pRC, /* Result code */ Fts3Table *p, /* The FTS table to delete from */ sqlite3_value *pRowid, /* The docid to be deleted */ @@ -173184,7 +178200,7 @@ static void fts3DeleteTerms( */ static int fts3SegmentMerge(Fts3Table *, int, int, int); -/* +/* ** This function allocates a new level iLevel index in the segdir table. ** Usually, indexes are allocated within a level sequentially starting ** with 0, so the allocated index is one greater than the value returned @@ -173193,17 +178209,17 @@ static int fts3SegmentMerge(Fts3Table *, int, int, int); ** SELECT max(idx) FROM %_segdir WHERE level = :iLevel ** ** However, if there are already FTS3_MERGE_COUNT indexes at the requested -** level, they are merged into a single level (iLevel+1) segment and the +** level, they are merged into a single level (iLevel+1) segment and the ** allocated index is 0. ** ** If successful, *piIdx is set to the allocated index slot and SQLITE_OK ** returned. Otherwise, an SQLite error code is returned. */ static int fts3AllocateSegdirIdx( - Fts3Table *p, + Fts3Table *p, int iLangid, /* Language id */ int iIndex, /* Index for p->aIndex */ - int iLevel, + int iLevel, int *piIdx ){ int rc; /* Return Code */ @@ -173231,7 +178247,7 @@ static int fts3AllocateSegdirIdx( ** segment and allocate (newly freed) index 0 at level iLevel. Otherwise, ** if iNext is less than FTS3_MERGE_COUNT, allocate index iNext. */ - if( iNext>=FTS3_MERGE_COUNT ){ + if( iNext>=MergeCount(p) ){ fts3LogMerge(16, getAbsoluteLevel(p, iLangid, iIndex, iLevel)); rc = fts3SegmentMerge(p, iLangid, iIndex, iLevel); *piIdx = 0; @@ -173251,7 +178267,7 @@ static int fts3AllocateSegdirIdx( ** This function reads data from a single row of the %_segments table. The ** specific row is identified by the iBlockid parameter. If paBlob is not ** NULL, then a buffer is allocated using sqlite3_malloc() and populated -** with the contents of the blob stored in the "block" column of the +** with the contents of the blob stored in the "block" column of the ** identified table row is. Whether or not paBlob is NULL, *pnBlob is set ** to the size of the blob in bytes before returning. ** @@ -173315,6 +178331,8 @@ SQLITE_PRIVATE int sqlite3Fts3ReadBlock( } *paBlob = aByte; } + }else if( rc==SQLITE_ERROR ){ + rc = FTS_CORRUPT_VTAB; } return rc; @@ -173328,14 +178346,14 @@ SQLITE_PRIVATE void sqlite3Fts3SegmentsClose(Fts3Table *p){ sqlite3_blob_close(p->pSegments); p->pSegments = 0; } - + static int fts3SegReaderIncrRead(Fts3SegReader *pReader){ int nRead; /* Number of bytes to read */ int rc; /* Return code */ nRead = MIN(pReader->nNode - pReader->nPopulate, FTS3_NODE_CHUNKSIZE); rc = sqlite3_blob_read( - pReader->pBlob, + pReader->pBlob, &pReader->aNode[pReader->nPopulate], nRead, pReader->nPopulate @@ -173355,10 +178373,10 @@ static int fts3SegReaderIncrRead(Fts3SegReader *pReader){ static int fts3SegReaderRequire(Fts3SegReader *pReader, char *pFrom, int nByte){ int rc = SQLITE_OK; - assert( !pReader->pBlob + assert( !pReader->pBlob || (pFrom>=pReader->aNode && pFrom<&pReader->aNode[pReader->nNode]) ); - while( pReader->pBlob && rc==SQLITE_OK + while( pReader->pBlob && rc==SQLITE_OK && (pFrom - pReader->aNode + nByte)>pReader->nPopulate ){ rc = fts3SegReaderIncrRead(pReader); @@ -173384,7 +178402,7 @@ static void fts3SegReaderSetEof(Fts3SegReader *pSeg){ ** SQLITE_DONE. Otherwise, an SQLite error code. */ static int fts3SegReaderNext( - Fts3Table *p, + Fts3Table *p, Fts3SegReader *pReader, int bIncr ){ @@ -173424,7 +178442,7 @@ static int fts3SegReaderNext( fts3SegReaderSetEof(pReader); - /* If iCurrentBlock>=iLeafEndBlock, this is an EOF condition. All leaf + /* If iCurrentBlock>=iLeafEndBlock, this is an EOF condition. All leaf ** blocks have already been traversed. */ #ifdef CORRUPT_DB assert( pReader->iCurrentBlock<=pReader->iLeafEndBlock || CORRUPT_DB ); @@ -173434,7 +178452,7 @@ static int fts3SegReaderNext( } rc = sqlite3Fts3ReadBlock( - p, ++pReader->iCurrentBlock, &pReader->aNode, &pReader->nNode, + p, ++pReader->iCurrentBlock, &pReader->aNode, &pReader->nNode, (bIncr ? &pReader->nPopulate : 0) ); if( rc!=SQLITE_OK ) return rc; @@ -173450,14 +178468,14 @@ static int fts3SegReaderNext( rc = fts3SegReaderRequire(pReader, pNext, FTS3_VARINT_MAX*2); if( rc!=SQLITE_OK ) return rc; - - /* Because of the FTS3_NODE_PADDING bytes of padding, the following is + + /* Because of the FTS3_NODE_PADDING bytes of padding, the following is ** safe (no risk of overread) even if the node data is corrupted. */ pNext += fts3GetVarint32(pNext, &nPrefix); pNext += fts3GetVarint32(pNext, &nSuffix); - if( nSuffix<=0 + if( nSuffix<=0 || (&pReader->aNode[pReader->nNode] - pNext)<nSuffix - || nPrefix>pReader->nTermAlloc + || nPrefix>pReader->nTerm ){ return FTS_CORRUPT_VTAB; } @@ -173486,11 +178504,12 @@ static int fts3SegReaderNext( pReader->pOffsetList = 0; /* Check that the doclist does not appear to extend past the end of the - ** b-tree node. And that the final byte of the doclist is 0x00. If either + ** b-tree node. And that the final byte of the doclist is 0x00. If either ** of these statements is untrue, then the data structure is corrupt. */ if( pReader->nDoclist > pReader->nNode-(pReader->aDoclist-pReader->aNode) || (pReader->nPopulate==0 && pReader->aDoclist[pReader->nDoclist-1]) + || pReader->nDoclist==0 ){ return FTS_CORRUPT_VTAB; } @@ -173510,7 +178529,7 @@ static int fts3SegReaderFirstDocid(Fts3Table *pTab, Fts3SegReader *pReader){ pReader->iDocid = 0; pReader->nOffsetList = 0; sqlite3Fts3DoclistPrev(0, - pReader->aDoclist, pReader->nDoclist, &pReader->pOffsetList, + pReader->aDoclist, pReader->nDoclist, &pReader->pOffsetList, &pReader->iDocid, &pReader->nOffsetList, &bEof ); }else{ @@ -173526,8 +178545,8 @@ static int fts3SegReaderFirstDocid(Fts3Table *pTab, Fts3SegReader *pReader){ /* ** Advance the SegReader to point to the next docid in the doclist ** associated with the current term. -** -** If arguments ppOffsetList and pnOffsetList are not NULL, then +** +** If arguments ppOffsetList and pnOffsetList are not NULL, then ** *ppOffsetList is set to point to the first column-offset list ** in the doclist entry (i.e. immediately past the docid varint). ** *pnOffsetList is set to the length of the set of column-offset @@ -173570,22 +178589,22 @@ static int fts3SegReaderNextDocid( ** following block advances it to point one byte past the end of ** the same offset list. */ while( 1 ){ - + /* The following line of code (and the "p++" below the while() loop) is - ** normally all that is required to move pointer p to the desired + ** normally all that is required to move pointer p to the desired ** position. The exception is if this node is being loaded from disk ** incrementally and pointer "p" now points to the first byte past ** the populated part of pReader->aNode[]. */ while( *p | c ) c = *p++ & 0x80; assert( *p==0 ); - + if( pReader->pBlob==0 || p<&pReader->aNode[pReader->nPopulate] ) break; rc = fts3SegReaderIncrRead(pReader); if( rc!=SQLITE_OK ) return rc; } p++; - + /* If required, populate the output variables with a pointer to and the ** size of the previous offset-list. */ @@ -173596,7 +178615,7 @@ static int fts3SegReaderNextDocid( /* List may have been edited in place by fts3EvalNearTrim() */ while( p<pEnd && *p==0 ) p++; - + /* If there are no more entries in the doclist, set pOffsetList to ** NULL. Otherwise, set Fts3SegReader.iDocid to the next docid and ** Fts3SegReader.pOffsetList to point to the next offset list before @@ -173607,23 +178626,23 @@ static int fts3SegReaderNextDocid( }else{ rc = fts3SegReaderRequire(pReader, p, FTS3_VARINT_MAX); if( rc==SQLITE_OK ){ - sqlite3_int64 iDelta; - pReader->pOffsetList = p + sqlite3Fts3GetVarint(p, &iDelta); + u64 iDelta; + pReader->pOffsetList = p + sqlite3Fts3GetVarintU(p, &iDelta); if( pTab->bDescIdx ){ - pReader->iDocid -= iDelta; + pReader->iDocid = (i64)((u64)pReader->iDocid - iDelta); }else{ - pReader->iDocid += iDelta; + pReader->iDocid = (i64)((u64)pReader->iDocid + iDelta); } } } } - return SQLITE_OK; + return rc; } SQLITE_PRIVATE int sqlite3Fts3MsrOvfl( - Fts3Cursor *pCsr, + Fts3Cursor *pCsr, Fts3MultiSegReader *pMsr, int *pnOvfl ){ @@ -173638,8 +178657,8 @@ SQLITE_PRIVATE int sqlite3Fts3MsrOvfl( for(ii=0; rc==SQLITE_OK && ii<pMsr->nSegment; ii++){ Fts3SegReader *pReader = pMsr->apSegment[ii]; - if( !fts3SegReaderIsPending(pReader) - && !fts3SegReaderIsRootOnly(pReader) + if( !fts3SegReaderIsPending(pReader) + && !fts3SegReaderIsRootOnly(pReader) ){ sqlite3_int64 jj; for(jj=pReader->iStartBlock; jj<=pReader->iLeafEndBlock; jj++){ @@ -173657,7 +178676,7 @@ SQLITE_PRIVATE int sqlite3Fts3MsrOvfl( } /* -** Free all allocations associated with the iterator passed as the +** Free all allocations associated with the iterator passed as the ** second argument. */ SQLITE_PRIVATE void sqlite3Fts3SegReaderFree(Fts3SegReader *pReader){ @@ -173816,7 +178835,7 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderPending( }else{ /* The query is a simple term lookup that matches at most one term in - ** the index. All that is required is a straight hash-lookup. + ** the index. All that is required is a straight hash-lookup. ** ** Because the stack address of pE may be accessed via the aElem pointer ** below, the "Fts3HashElem *pE" must be declared so that it is valid @@ -173851,7 +178870,7 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderPending( } /* -** Compare the entries pointed to by two Fts3SegReader structures. +** Compare the entries pointed to by two Fts3SegReader structures. ** Comparison is as follows: ** ** 1) EOF is greater than not EOF. @@ -173922,7 +178941,7 @@ static int fts3SegReaderDoclistCmpRev(Fts3SegReader *pLhs, Fts3SegReader *pRhs){ /* ** Compare the term that the Fts3SegReader object passed as the first argument -** points to with the term specified by arguments zTerm and nTerm. +** points to with the term specified by arguments zTerm and nTerm. ** ** If the pSeg iterator is already at EOF, return 0. Otherwise, return ** -ve if the pSeg term is less than zTerm/nTerm, 0 if the two terms are @@ -173983,7 +179002,7 @@ static void fts3SegReaderSort( #endif } -/* +/* ** Insert a record into the %_segments table. */ static int fts3WriteSegment( @@ -174025,7 +179044,7 @@ SQLITE_PRIVATE int sqlite3Fts3MaxLevel(Fts3Table *p, int *pnMax){ return rc; } -/* +/* ** Insert a record into the %_segdir table. */ static int fts3WriteSegdir( @@ -174063,7 +179082,7 @@ static int fts3WriteSegdir( /* ** Return the size of the common prefix (if any) shared by zPrev and -** zNext, in bytes. For example, +** zNext, in bytes. For example, ** ** fts3PrefixCompress("abc", 3, "abcdef", 6) // returns 3 ** fts3PrefixCompress("abX", 3, "abcdef", 6) // returns 2 @@ -174087,7 +179106,7 @@ static int fts3PrefixCompress( */ static int fts3NodeAddTerm( Fts3Table *p, /* Virtual table handle */ - SegmentNode **ppTree, /* IN/OUT: SegmentNode handle */ + SegmentNode **ppTree, /* IN/OUT: SegmentNode handle */ int isCopyTerm, /* True if zTerm/nTerm is transient */ const char *zTerm, /* Pointer to buffer containing term */ int nTerm /* Size of term in bytes */ @@ -174096,7 +179115,7 @@ static int fts3NodeAddTerm( int rc; SegmentNode *pNew; - /* First try to append the term to the current node. Return early if + /* First try to append the term to the current node. Return early if ** this is possible. */ if( pTree ){ @@ -174108,6 +179127,11 @@ static int fts3NodeAddTerm( nPrefix = fts3PrefixCompress(pTree->zTerm, pTree->nTerm, zTerm, nTerm); nSuffix = nTerm-nPrefix; + /* If nSuffix is zero or less, then zTerm/nTerm must be a prefix of + ** pWriter->zTerm/pWriter->nTerm. i.e. must be equal to or less than when + ** compared with BINARY collation. This indicates corruption. */ + if( nSuffix<=0 ) return FTS_CORRUPT_VTAB; + nReq += sqlite3Fts3VarintLen(nPrefix)+sqlite3Fts3VarintLen(nSuffix)+nSuffix; if( nReq<=p->nNodeSize || !pTree->zTerm ){ @@ -174116,8 +179140,8 @@ static int fts3NodeAddTerm( ** and the static node buffer (p->nNodeSize bytes) is not large ** enough. Use a separately malloced buffer instead This wastes ** p->nNodeSize bytes, but since this scenario only comes about when - ** the database contain two terms that share a prefix of almost 2KB, - ** this is not expected to be a serious problem. + ** the database contain two terms that share a prefix of almost 2KB, + ** this is not expected to be a serious problem. */ assert( pTree->aData==(char *)&pTree[1] ); pTree->aData = (char *)sqlite3_malloc(nReq); @@ -174161,7 +179185,7 @@ static int fts3NodeAddTerm( ** If this is the first node in the tree, the term is added to it. ** ** Otherwise, the term is not added to the new node, it is left empty for - ** now. Instead, the term is inserted into the parent of pTree. If pTree + ** now. Instead, the term is inserted into the parent of pTree. If pTree ** has no parent, one is created here. */ pNew = (SegmentNode *)sqlite3_malloc(sizeof(SegmentNode) + p->nNodeSize); @@ -174186,7 +179210,7 @@ static int fts3NodeAddTerm( pTree->zMalloc = 0; }else{ pNew->pLeftmost = pNew; - rc = fts3NodeAddTerm(p, &pNew, isCopyTerm, zTerm, nTerm); + rc = fts3NodeAddTerm(p, &pNew, isCopyTerm, zTerm, nTerm); } *ppTree = pNew; @@ -174197,8 +179221,8 @@ static int fts3NodeAddTerm( ** Helper function for fts3NodeWrite(). */ static int fts3TreeFinishNode( - SegmentNode *pTree, - int iHeight, + SegmentNode *pTree, + int iHeight, sqlite3_int64 iLeftChild ){ int nStart; @@ -174211,15 +179235,15 @@ static int fts3TreeFinishNode( /* ** Write the buffer for the segment node pTree and all of its peers to the -** database. Then call this function recursively to write the parent of -** pTree and its peers to the database. +** database. Then call this function recursively to write the parent of +** pTree and its peers to the database. ** ** Except, if pTree is a root node, do not write it to the database. Instead, ** set output variables *paRoot and *pnRoot to contain the root node. ** ** If successful, SQLITE_OK is returned and output variable *piLast is ** set to the largest blockid written to the database (or zero if no -** blocks were written to the db). Otherwise, an SQLite error code is +** blocks were written to the db). Otherwise, an SQLite error code is ** returned. */ static int fts3NodeWrite( @@ -174247,7 +179271,7 @@ static int fts3NodeWrite( for(pIter=pTree->pLeftmost; pIter && rc==SQLITE_OK; pIter=pIter->pRight){ int nStart = fts3TreeFinishNode(pIter, iHeight, iNextLeaf); int nWrite = pIter->nData - nStart; - + rc = fts3WriteSegment(p, iNextFree, &pIter->aData[nStart], nWrite); iNextFree++; iNextLeaf += (pIter->nEntry+1); @@ -174293,7 +179317,7 @@ static void fts3NodeFree(SegmentNode *pTree){ */ static int fts3SegWriterAdd( Fts3Table *p, /* Virtual table handle */ - SegmentWriter **ppWriter, /* IN/OUT: SegmentWriter handle */ + SegmentWriter **ppWriter, /* IN/OUT: SegmentWriter handle */ int isCopyTerm, /* True if buffer zTerm must be copied */ const char *zTerm, /* Pointer to buffer containing term */ int nTerm, /* Size of term in bytes */ @@ -174336,7 +179360,7 @@ static int fts3SegWriterAdd( nPrefix = fts3PrefixCompress(pWriter->zTerm, pWriter->nTerm, zTerm, nTerm); nSuffix = nTerm-nPrefix; - /* If nSuffix is zero or less, then zTerm/nTerm must be a prefix of + /* If nSuffix is zero or less, then zTerm/nTerm must be a prefix of ** pWriter->zTerm/pWriter->nTerm. i.e. must be equal to or less than when ** compared with BINARY collation. This indicates corruption. */ if( nSuffix<=0 ) return FTS_CORRUPT_VTAB; @@ -174352,6 +179376,7 @@ static int fts3SegWriterAdd( int rc; /* The current leaf node is full. Write it out to the database. */ + if( pWriter->iFree==LARGEST_INT64 ) return FTS_CORRUPT_VTAB; rc = fts3WriteSegment(p, pWriter->iFree++, pWriter->aData, nData); if( rc!=SQLITE_OK ) return rc; p->nLeafAdd++; @@ -174401,9 +179426,11 @@ static int fts3SegWriterAdd( /* Append the prefix-compressed term and doclist to the buffer. */ nData += sqlite3Fts3PutVarint(&pWriter->aData[nData], nPrefix); nData += sqlite3Fts3PutVarint(&pWriter->aData[nData], nSuffix); + assert( nSuffix>0 ); memcpy(&pWriter->aData[nData], &zTerm[nPrefix], nSuffix); nData += nSuffix; nData += sqlite3Fts3PutVarint(&pWriter->aData[nData], nDoclist); + assert( nDoclist>0 ); memcpy(&pWriter->aData[nData], aDoclist, nDoclist); pWriter->nData = nData + nDoclist; @@ -174423,6 +179450,7 @@ static int fts3SegWriterAdd( pWriter->zTerm = zNew; } assert( pWriter->zTerm==pWriter->zMalloc ); + assert( nTerm>0 ); memcpy(pWriter->zTerm, zTerm, nTerm); }else{ pWriter->zTerm = (char *)zTerm; @@ -174458,12 +179486,12 @@ static int fts3SegWriterFlush( pWriter->iFirst, pWriter->iFree, &iLast, &zRoot, &nRoot); } if( rc==SQLITE_OK ){ - rc = fts3WriteSegdir(p, iLevel, iIdx, + rc = fts3WriteSegdir(p, iLevel, iIdx, pWriter->iFirst, iLastLeaf, iLast, pWriter->nLeafData, zRoot, nRoot); } }else{ /* The entire tree fits on the root node. Write it to the segdir table. */ - rc = fts3WriteSegdir(p, iLevel, iIdx, + rc = fts3WriteSegdir(p, iLevel, iIdx, 0, 0, 0, pWriter->nLeafData, pWriter->aData, pWriter->nData); } p->nLeafAdd++; @@ -174471,7 +179499,7 @@ static int fts3SegWriterFlush( } /* -** Release all memory held by the SegmentWriter object passed as the +** Release all memory held by the SegmentWriter object passed as the ** first argument. */ static void fts3SegWriterFree(SegmentWriter *pWriter){ @@ -174521,9 +179549,9 @@ static int fts3IsEmpty(Fts3Table *p, sqlite3_value *pRowid, int *pisEmpty){ ** Return SQLITE_OK if successful, or an SQLite error code if not. */ static int fts3SegmentMaxLevel( - Fts3Table *p, + Fts3Table *p, int iLangid, - int iIndex, + int iIndex, sqlite3_int64 *pnMax ){ sqlite3_stmt *pStmt; @@ -174539,7 +179567,7 @@ static int fts3SegmentMaxLevel( rc = fts3SqlStmt(p, SQL_SELECT_SEGDIR_MAX_LEVEL, &pStmt, 0); if( rc!=SQLITE_OK ) return rc; sqlite3_bind_int64(pStmt, 1, getAbsoluteLevel(p, iLangid, iIndex, 0)); - sqlite3_bind_int64(pStmt, 2, + sqlite3_bind_int64(pStmt, 2, getAbsoluteLevel(p, iLangid, iIndex, FTS3_SEGDIR_MAXLEVEL-1) ); if( SQLITE_ROW==sqlite3_step(pStmt) ){ @@ -174568,8 +179596,8 @@ static int fts3SegmentIsMaxLevel(Fts3Table *p, i64 iAbsLevel, int *pbMax){ int rc = fts3SqlStmt(p, SQL_SELECT_SEGDIR_MAX_LEVEL, &pStmt, 0); if( rc!=SQLITE_OK ) return rc; sqlite3_bind_int64(pStmt, 1, iAbsLevel+1); - sqlite3_bind_int64(pStmt, 2, - ((iAbsLevel/FTS3_SEGDIR_MAXLEVEL)+1) * FTS3_SEGDIR_MAXLEVEL + sqlite3_bind_int64(pStmt, 2, + (((u64)iAbsLevel/FTS3_SEGDIR_MAXLEVEL)+1) * FTS3_SEGDIR_MAXLEVEL ); *pbMax = 0; @@ -174606,9 +179634,9 @@ static int fts3DeleteSegment( ** This function is used after merging multiple segments into a single large ** segment to delete the old, now redundant, segment b-trees. Specifically, ** it: -** -** 1) Deletes all %_segments entries for the segments associated with -** each of the SegReader objects in the array passed as the third +** +** 1) Deletes all %_segments entries for the segments associated with +** each of the SegReader objects in the array passed as the third ** argument, and ** ** 2) deletes all %_segdir entries with level iLevel, or all %_segdir @@ -174640,7 +179668,7 @@ static int fts3DeleteSegdir( rc = fts3SqlStmt(p, SQL_DELETE_SEGDIR_RANGE, &pDelete, 0); if( rc==SQLITE_OK ){ sqlite3_bind_int64(pDelete, 1, getAbsoluteLevel(p, iLangid, iIndex, 0)); - sqlite3_bind_int64(pDelete, 2, + sqlite3_bind_int64(pDelete, 2, getAbsoluteLevel(p, iLangid, iIndex, FTS3_SEGDIR_MAXLEVEL-1) ); } @@ -174662,7 +179690,7 @@ static int fts3DeleteSegdir( } /* -** When this function is called, buffer *ppList (size *pnList bytes) contains +** When this function is called, buffer *ppList (size *pnList bytes) contains ** a position list that may (or may not) feature multiple columns. This ** function adjusts the pointer *ppList and the length *pnList so that they ** identify the subset of the position list that corresponds to column iCol. @@ -174689,7 +179717,7 @@ static void fts3ColumnFilter( while( 1 ){ char c = 0; while( p<pEnd && (c | *p)&0xFE ) c = *p++ & 0x80; - + if( iCol==iCurrent ){ nList = (int)(p - pList); break; @@ -174731,6 +179759,7 @@ static int fts3MsrBufferData( pMsr->aBuffer = pNew; } + assert( nList>0 ); memcpy(pMsr->aBuffer, pList, nList); return SQLITE_OK; } @@ -174769,7 +179798,7 @@ SQLITE_PRIVATE int sqlite3Fts3MsrIncrNext( rc = fts3SegReaderNextDocid(p, apSegment[0], &pList, &nList); j = 1; - while( rc==SQLITE_OK + while( rc==SQLITE_OK && j<nMerge && apSegment[j]->pOffsetList && apSegment[j]->iDocid==iDocid @@ -174812,7 +179841,7 @@ static int fts3SegReaderStart( int i; int nSeg = pCsr->nSegment; - /* If the Fts3SegFilter defines a specific term (or term prefix) to search + /* If the Fts3SegFilter defines a specific term (or term prefix) to search ** for, then advance each segment iterator until it points to a term of ** equal or greater value than the specified term. This prevents many ** unnecessary merge/sort operations for the case where single segment @@ -174896,7 +179925,7 @@ SQLITE_PRIVATE int sqlite3Fts3MsrIncrStart( ** sqlite3Fts3SegReaderStart() ** sqlite3Fts3SegReaderStep() ** -** then the entire doclist for the term is available in +** then the entire doclist for the term is available in ** MultiSegReader.aDoclist/nDoclist. */ SQLITE_PRIVATE int sqlite3Fts3MsrIncrRestart(Fts3MultiSegReader *pCsr){ @@ -174918,6 +179947,19 @@ SQLITE_PRIVATE int sqlite3Fts3MsrIncrRestart(Fts3MultiSegReader *pCsr){ return SQLITE_OK; } +static int fts3GrowSegReaderBuffer(Fts3MultiSegReader *pCsr, int nReq){ + if( nReq>pCsr->nBuffer ){ + char *aNew; + pCsr->nBuffer = nReq*2; + aNew = sqlite3_realloc(pCsr->aBuffer, pCsr->nBuffer); + if( !aNew ){ + return SQLITE_NOMEM; + } + pCsr->aBuffer = aNew; + } + return SQLITE_OK; +} + SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( Fts3Table *p, /* Virtual table handle */ @@ -174944,9 +179986,9 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( do { int nMerge; int i; - + /* Advance the first pCsr->nAdvance entries in the apSegment[] array - ** forward. Then sort the list in order of current term again. + ** forward. Then sort the list in order of current term again. */ for(i=0; i<pCsr->nAdvance; i++){ Fts3SegReader *pSeg = apSegment[i]; @@ -174968,34 +180010,34 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( pCsr->zTerm = apSegment[0]->zTerm; /* If this is a prefix-search, and if the term that apSegment[0] points - ** to does not share a suffix with pFilter->zTerm/nTerm, then all + ** to does not share a suffix with pFilter->zTerm/nTerm, then all ** required callbacks have been made. In this case exit early. ** ** Similarly, if this is a search for an exact match, and the first term ** of segment apSegment[0] is not a match, exit early. */ if( pFilter->zTerm && !isScan ){ - if( pCsr->nTerm<pFilter->nTerm + if( pCsr->nTerm<pFilter->nTerm || (!isPrefix && pCsr->nTerm>pFilter->nTerm) - || memcmp(pCsr->zTerm, pFilter->zTerm, pFilter->nTerm) + || memcmp(pCsr->zTerm, pFilter->zTerm, pFilter->nTerm) ){ break; } } nMerge = 1; - while( nMerge<nSegment + while( nMerge<nSegment && apSegment[nMerge]->aNode - && apSegment[nMerge]->nTerm==pCsr->nTerm + && apSegment[nMerge]->nTerm==pCsr->nTerm && 0==memcmp(pCsr->zTerm, apSegment[nMerge]->zTerm, pCsr->nTerm) ){ nMerge++; } assert( isIgnoreEmpty || (isRequirePos && !isColFilter) ); - if( nMerge==1 - && !isIgnoreEmpty - && !isFirst + if( nMerge==1 + && !isIgnoreEmpty + && !isFirst && (p->bDescIdx==0 || fts3SegReaderIsPending(apSegment[0])==0) ){ pCsr->nDoclist = apSegment[0]->nDoclist; @@ -175040,34 +180082,26 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( if( !isIgnoreEmpty || nList>0 ){ - /* Calculate the 'docid' delta value to write into the merged + /* Calculate the 'docid' delta value to write into the merged ** doclist. */ sqlite3_int64 iDelta; if( p->bDescIdx && nDoclist>0 ){ - iDelta = iPrev - iDocid; + if( iPrev<=iDocid ) return FTS_CORRUPT_VTAB; + iDelta = (i64)((u64)iPrev - (u64)iDocid); }else{ - iDelta = iDocid - iPrev; - } - if( iDelta<=0 && (nDoclist>0 || iDelta!=iDocid) ){ - return FTS_CORRUPT_VTAB; + if( nDoclist>0 && iPrev>=iDocid ) return FTS_CORRUPT_VTAB; + iDelta = (i64)((u64)iDocid - (u64)iPrev); } - assert( nDoclist>0 || iDelta==iDocid ); nByte = sqlite3Fts3VarintLen(iDelta) + (isRequirePos?nList+1:0); - if( nDoclist+nByte>pCsr->nBuffer ){ - char *aNew; - pCsr->nBuffer = (nDoclist+nByte)*2; - aNew = sqlite3_realloc(pCsr->aBuffer, pCsr->nBuffer); - if( !aNew ){ - return SQLITE_NOMEM; - } - pCsr->aBuffer = aNew; - } + + rc = fts3GrowSegReaderBuffer(pCsr, nByte+nDoclist); + if( rc ) return rc; if( isFirst ){ char *a = &pCsr->aBuffer[nDoclist]; int nWrite; - + nWrite = sqlite3Fts3FirstFilter(iDelta, pList, nList, a); if( nWrite ){ iPrev = iDocid; @@ -175087,6 +180121,9 @@ SQLITE_PRIVATE int sqlite3Fts3SegReaderStep( fts3SegReaderSort(apSegment, nMerge, j, xCmp); } if( nDoclist>0 ){ + rc = fts3GrowSegReaderBuffer(pCsr, nDoclist+FTS3_NODE_PADDING); + if( rc ) return rc; + memset(&pCsr->aBuffer[nDoclist], 0, FTS3_NODE_PADDING); pCsr->aDoclist = pCsr->aBuffer; pCsr->nDoclist = nDoclist; rc = SQLITE_ROW; @@ -175117,18 +180154,18 @@ SQLITE_PRIVATE void sqlite3Fts3SegReaderFinish( } /* -** Decode the "end_block" field, selected by column iCol of the SELECT -** statement passed as the first argument. +** Decode the "end_block" field, selected by column iCol of the SELECT +** statement passed as the first argument. ** ** The "end_block" field may contain either an integer, or a text field -** containing the text representation of two non-negative integers separated -** by one or more space (0x20) characters. In the first case, set *piEndBlock -** to the integer value and *pnByte to zero before returning. In the second, +** containing the text representation of two non-negative integers separated +** by one or more space (0x20) characters. In the first case, set *piEndBlock +** to the integer value and *pnByte to zero before returning. In the second, ** set *piEndBlock to the first value and *pnByte to the second. */ static void fts3ReadEndBlockField( - sqlite3_stmt *pStmt, - int iCol, + sqlite3_stmt *pStmt, + int iCol, i64 *piEndBlock, i64 *pnByte ){ @@ -175136,11 +180173,11 @@ static void fts3ReadEndBlockField( if( zText ){ int i; int iMul = 1; - i64 iVal = 0; + u64 iVal = 0; for(i=0; zText[i]>='0' && zText[i]<='9'; i++){ iVal = iVal*10 + (zText[i] - '0'); } - *piEndBlock = iVal; + *piEndBlock = (i64)iVal; while( zText[i]==' ' ) i++; iVal = 0; if( zText[i]=='-' ){ @@ -175150,7 +180187,7 @@ static void fts3ReadEndBlockField( for(/* no-op */; zText[i]>='0' && zText[i]<='9'; i++){ iVal = iVal*10 + (zText[i] - '0'); } - *pnByte = (iVal * (i64)iMul); + *pnByte = ((i64)iVal * (i64)iMul); } } @@ -175174,10 +180211,10 @@ static int fts3PromoteSegments( i64 iLast = (iAbsLevel/FTS3_SEGDIR_MAXLEVEL + 1) * FTS3_SEGDIR_MAXLEVEL - 1; i64 nLimit = (nByte*3)/2; - /* Loop through all entries in the %_segdir table corresponding to + /* Loop through all entries in the %_segdir table corresponding to ** segments in this index on levels greater than iAbsLevel. If there is - ** at least one such segment, and it is possible to determine that all - ** such segments are smaller than nLimit bytes in size, they will be + ** at least one such segment, and it is possible to determine that all + ** such segments are smaller than nLimit bytes in size, they will be ** promoted to level iAbsLevel. */ sqlite3_bind_int64(pRange, 1, iAbsLevel+1); sqlite3_bind_int64(pRange, 2, iLast); @@ -175185,7 +180222,7 @@ static int fts3PromoteSegments( i64 nSize = 0, dummy; fts3ReadEndBlockField(pRange, 2, &dummy, &nSize); if( nSize<=0 || nSize>nLimit ){ - /* If nSize==0, then the %_segdir.end_block field does not not + /* If nSize==0, then the %_segdir.end_block field does not not ** contain a size value. This happens if it was written by an ** old version of FTS. In this case it is not possible to determine ** the size of the segment, and so segment promotion does not @@ -175251,18 +180288,18 @@ static int fts3PromoteSegments( } /* -** Merge all level iLevel segments in the database into a single +** Merge all level iLevel segments in the database into a single ** iLevel+1 segment. Or, if iLevel<0, merge all segments into a -** single segment with a level equal to the numerically largest level +** single segment with a level equal to the numerically largest level ** currently present in the database. ** ** If this function is called with iLevel<0, but there is only one -** segment in the database, SQLITE_DONE is returned immediately. -** Otherwise, if successful, SQLITE_OK is returned. If an error occurs, +** segment in the database, SQLITE_DONE is returned immediately. +** Otherwise, if successful, SQLITE_OK is returned. If an error occurs, ** an SQLite error code is returned. */ static int fts3SegmentMerge( - Fts3Table *p, + Fts3Table *p, int iLangid, /* Language id to merge */ int iIndex, /* Index in p->aIndex[] to merge */ int iLevel /* Level to merge */ @@ -175306,7 +180343,7 @@ static int fts3SegmentMerge( }else{ /* This call is to merge all segments at level iLevel. find the next ** available segment index at level iLevel+1. The call to - ** fts3AllocateSegdirIdx() will merge the segments at level iLevel+1 to + ** fts3AllocateSegdirIdx() will merge the segments at level iLevel+1 to ** a single iLevel+2 segment if necessary. */ assert( FTS3_SEGCURSOR_PENDING==-1 ); iNewLevel = getAbsoluteLevel(p, iLangid, iIndex, iLevel+1); @@ -175317,8 +180354,8 @@ static int fts3SegmentMerge( assert( csr.nSegment>0 ); assert_fts3_nc( iNewLevel>=getAbsoluteLevel(p, iLangid, iIndex, 0) ); - assert_fts3_nc( - iNewLevel<getAbsoluteLevel(p, iLangid, iIndex,FTS3_SEGDIR_MAXLEVEL) + assert_fts3_nc( + iNewLevel<getAbsoluteLevel(p, iLangid, iIndex,FTS3_SEGDIR_MAXLEVEL) ); memset(&filter, 0, sizeof(Fts3SegFilter)); @@ -175329,11 +180366,11 @@ static int fts3SegmentMerge( while( SQLITE_OK==rc ){ rc = sqlite3Fts3SegReaderStep(p, &csr); if( rc!=SQLITE_ROW ) break; - rc = fts3SegWriterAdd(p, &pWriter, 1, + rc = fts3SegWriterAdd(p, &pWriter, 1, csr.zTerm, csr.nTerm, csr.aDoclist, csr.nDoclist); } if( rc!=SQLITE_OK ) goto finished; - assert( pWriter || bIgnoreEmpty ); + assert_fts3_nc( pWriter || bIgnoreEmpty ); if( iLevel!=FTS3_SEGCURSOR_PENDING ){ rc = fts3DeleteSegdir( @@ -175357,13 +180394,13 @@ static int fts3SegmentMerge( } -/* -** Flush the contents of pendingTerms to level 0 segments. +/* +** Flush the contents of pendingTerms to level 0 segments. */ SQLITE_PRIVATE int sqlite3Fts3PendingTermsFlush(Fts3Table *p){ int rc = SQLITE_OK; int i; - + for(i=0; rc==SQLITE_OK && i<p->nIndex; i++){ rc = fts3SegmentMerge(p, p->iPrevLangid, i, FTS3_SEGCURSOR_PENDING); if( rc==SQLITE_DONE ) rc = SQLITE_OK; @@ -175467,7 +180504,7 @@ static void fts3InsertDocsize( /* ** Record 0 of the %_stat table contains a blob consisting of N varints, ** where N is the number of user defined columns in the fts3 table plus -** two. If nCol is the number of user defined columns, then values of the +** two. If nCol is the number of user defined columns, then values of the ** varints are set as follows: ** ** Varint 0: Total number of rows in the table. @@ -175552,7 +180589,7 @@ static void fts3UpdateDocTotals( } /* -** Merge the entire database so that there is one segment for each +** Merge the entire database so that there is one segment for each ** iIndex/iLangid combination. */ static int fts3DoOptimize(Fts3Table *p, int bReturnDone){ @@ -175560,7 +180597,10 @@ static int fts3DoOptimize(Fts3Table *p, int bReturnDone){ int rc; sqlite3_stmt *pAllLangid = 0; - rc = fts3SqlStmt(p, SQL_SELECT_ALL_LANGID, &pAllLangid, 0); + rc = sqlite3Fts3PendingTermsFlush(p); + if( rc==SQLITE_OK ){ + rc = fts3SqlStmt(p, SQL_SELECT_ALL_LANGID, &pAllLangid, 0); + } if( rc==SQLITE_OK ){ int rc2; sqlite3_bind_int(pAllLangid, 1, p->iPrevLangid); @@ -175581,7 +180621,6 @@ static int fts3DoOptimize(Fts3Table *p, int bReturnDone){ } sqlite3Fts3SegmentsClose(p); - sqlite3Fts3PendingTermsClear(p); return (rc==SQLITE_OK && bReturnDone && bSeenDone) ? SQLITE_DONE : rc; } @@ -175591,7 +180630,7 @@ static int fts3DoOptimize(Fts3Table *p, int bReturnDone){ ** ** INSERT INTO <tbl>(<tbl>) VALUES('rebuild'); ** -** The entire FTS index is discarded and rebuilt. If the table is one +** The entire FTS index is discarded and rebuilt. If the table is one ** created using the content=xxx option, then the new index is based on ** the current contents of the xxx table. Otherwise, it is rebuilt based ** on the contents of the %_content table. @@ -175671,9 +180710,9 @@ static int fts3DoRebuild(Fts3Table *p){ /* -** This function opens a cursor used to read the input data for an +** This function opens a cursor used to read the input data for an ** incremental merge operation. Specifically, it opens a cursor to scan -** the oldest nSeg segments (idx=0 through idx=(nSeg-1)) in absolute +** the oldest nSeg segments (idx=0 through idx=(nSeg-1)) in absolute ** level iAbsLevel. */ static int fts3IncrmergeCsr( @@ -175683,7 +180722,7 @@ static int fts3IncrmergeCsr( Fts3MultiSegReader *pCsr /* Cursor object to populate */ ){ int rc; /* Return Code */ - sqlite3_stmt *pStmt = 0; /* Statement used to read %_segdir entry */ + sqlite3_stmt *pStmt = 0; /* Statement used to read %_segdir entry */ sqlite3_int64 nByte; /* Bytes allocated at pCsr->apSegment[] */ /* Allocate space for the Fts3MultiSegReader.aCsr[] array */ @@ -175738,7 +180777,7 @@ struct Blob { }; /* -** This structure is used to build up buffers containing segment b-tree +** This structure is used to build up buffers containing segment b-tree ** nodes (blocks). */ struct NodeWriter { @@ -175807,12 +180846,12 @@ static void blobGrowBuffer(Blob *pBlob, int nMin, int *pRc){ /* ** Attempt to advance the node-reader object passed as the first argument to -** the next entry on the node. +** the next entry on the node. ** -** Return an error code if an error occurs (SQLITE_NOMEM is possible). +** Return an error code if an error occurs (SQLITE_NOMEM is possible). ** Otherwise return SQLITE_OK. If there is no next entry on the node ** (e.g. because the current entry is the last) set NodeReader->aNode to -** NULL to indicate EOF. Otherwise, populate the NodeReader structure output +** NULL to indicate EOF. Otherwise, populate the NodeReader structure output ** variables for the new entry. */ static int nodeReaderNext(NodeReader *p){ @@ -175865,7 +180904,7 @@ static void nodeReaderRelease(NodeReader *p){ /* ** Initialize a node-reader object to read the node in buffer aNode/nNode. ** -** If successful, SQLITE_OK is returned and the NodeReader object set to +** If successful, SQLITE_OK is returned and the NodeReader object set to ** point to the first entry on the node (if any). Otherwise, an SQLite ** error code is returned. */ @@ -175914,17 +180953,18 @@ static int fts3IncrmergePush( int nSpace; /* Figure out how much space the key will consume if it is written to - ** the current node of layer iLayer. Due to the prefix compression, + ** the current node of layer iLayer. Due to the prefix compression, ** the space required changes depending on which node the key is to ** be added to. */ nPrefix = fts3PrefixCompress(pNode->key.a, pNode->key.n, zTerm, nTerm); nSuffix = nTerm - nPrefix; + if(nSuffix<=0 ) return FTS_CORRUPT_VTAB; nSpace = sqlite3Fts3VarintLen(nPrefix); nSpace += sqlite3Fts3VarintLen(nSuffix) + nSuffix; - if( pNode->key.n==0 || (pNode->block.n + nSpace)<=p->nNodeSize ){ + if( pNode->key.n==0 || (pNode->block.n + nSpace)<=p->nNodeSize ){ /* If the current node of layer iLayer contains zero keys, or if adding - ** the key to it will not cause it to grow to larger than nNodeSize + ** the key to it will not cause it to grow to larger than nNodeSize ** bytes in size, write the key here. */ Blob *pBlk = &pNode->block; @@ -175980,12 +181020,12 @@ static int fts3IncrmergePush( ** A node header is a single 0x00 byte for a leaf node, or a height varint ** followed by the left-hand-child varint for an internal node. ** -** The term to be appended is passed via arguments zTerm/nTerm. For a +** The term to be appended is passed via arguments zTerm/nTerm. For a ** leaf node, the doclist is passed as aDoclist/nDoclist. For an internal ** node, both aDoclist and nDoclist must be passed 0. ** ** If the size of the value in blob pPrev is zero, then this is the first -** term written to the node. Otherwise, pPrev contains a copy of the +** term written to the node. Otherwise, pPrev contains a copy of the ** previous term. Before this function returns, it is updated to contain a ** copy of zTerm/nTerm. ** @@ -176002,7 +181042,7 @@ static int fts3AppendToNode( const char *zTerm, /* New term to write */ int nTerm, /* Size of zTerm in bytes */ const char *aDoclist, /* Doclist (or NULL) to write */ - int nDoclist /* Size of aDoclist in bytes */ + int nDoclist /* Size of aDoclist in bytes */ ){ int rc = SQLITE_OK; /* Return code */ int bFirst = (pPrev->n==0); /* True if this is the first term written */ @@ -176077,7 +181117,7 @@ static int fts3IncrmergeAppend( rc = fts3WriteSegment(p, pLeaf->iBlock, pLeaf->block.a, pLeaf->block.n); pWriter->nWork++; - /* Add the current term to the parent node. The term added to the + /* Add the current term to the parent node. The term added to the ** parent must: ** ** a) be greater than the largest term on the leaf node just written @@ -176142,7 +181182,7 @@ static void fts3IncrmergeRelease( NodeWriter *pRoot; /* NodeWriter for root node */ int rc = *pRc; /* Error code */ - /* Set iRoot to the index in pWriter->aNodeWriter[] of the output segment + /* Set iRoot to the index in pWriter->aNodeWriter[] of the output segment ** root node. If the segment fits entirely on a single leaf node, iRoot ** will be set to 0. If the root node is the parent of the leaves, iRoot ** will be 1. And so on. */ @@ -176160,17 +181200,17 @@ static void fts3IncrmergeRelease( /* The entire output segment fits on a single node. Normally, this means ** the node would be stored as a blob in the "root" column of the %_segdir - ** table. However, this is not permitted in this case. The problem is that - ** space has already been reserved in the %_segments table, and so the - ** start_block and end_block fields of the %_segdir table must be populated. - ** And, by design or by accident, released versions of FTS cannot handle + ** table. However, this is not permitted in this case. The problem is that + ** space has already been reserved in the %_segments table, and so the + ** start_block and end_block fields of the %_segdir table must be populated. + ** And, by design or by accident, released versions of FTS cannot handle ** segments that fit entirely on the root node with start_block!=0. ** - ** Instead, create a synthetic root node that contains nothing but a + ** Instead, create a synthetic root node that contains nothing but a ** pointer to the single content node. So that the segment consists of a ** single leaf and a single interior (root) node. ** - ** Todo: Better might be to defer allocating space in the %_segments + ** Todo: Better might be to defer allocating space in the %_segments ** table until we are sure it is needed. */ if( iRoot==0 ){ @@ -176198,7 +181238,7 @@ static void fts3IncrmergeRelease( /* Write the %_segdir record. */ if( rc==SQLITE_OK ){ - rc = fts3WriteSegdir(p, + rc = fts3WriteSegdir(p, pWriter->iAbsLevel+1, /* level */ pWriter->iIdx, /* idx */ pWriter->iStart, /* start_block */ @@ -176237,11 +181277,11 @@ static int fts3TermCmp( /* -** Query to see if the entry in the %_segments table with blockid iEnd is +** Query to see if the entry in the %_segments table with blockid iEnd is ** NULL. If no error occurs and the entry is NULL, set *pbRes 1 before -** returning. Otherwise, set *pbRes to 0. +** returning. Otherwise, set *pbRes to 0. ** -** Or, if an error occurs while querying the database, return an SQLite +** Or, if an error occurs while querying the database, return an SQLite ** error code. The final value of *pbRes is undefined in this case. ** ** This is used to test if a segment is an "appendable" segment. If it @@ -176259,14 +181299,14 @@ static int fts3IsAppendable(Fts3Table *p, sqlite3_int64 iEnd, int *pbRes){ if( SQLITE_ROW==sqlite3_step(pCheck) ) bRes = 1; rc = sqlite3_reset(pCheck); } - + *pbRes = bRes; return rc; } /* ** This function is called when initializing an incremental-merge operation. -** It checks if the existing segment with index value iIdx at absolute level +** It checks if the existing segment with index value iIdx at absolute level ** (iAbsLevel+1) can be appended to by the incremental merge. If it can, the ** merge-writer object *pWriter is initialized to write to it. ** @@ -176275,7 +181315,7 @@ static int fts3IsAppendable(Fts3Table *p, sqlite3_int64 iEnd, int *pbRes){ ** * It was initially created as an appendable segment (with all required ** space pre-allocated), and ** -** * The first key read from the input (arguments zKey and nKey) is +** * The first key read from the input (arguments zKey and nKey) is ** greater than the largest key currently stored in the potential ** output segment. */ @@ -176313,6 +181353,10 @@ static int fts3IncrmergeLoad( pWriter->bNoLeafData = (pWriter->nLeafData==0); nRoot = sqlite3_column_bytes(pSelect, 4); aRoot = sqlite3_column_blob(pSelect, 4); + if( aRoot==0 ){ + sqlite3_reset(pSelect); + return nRoot ? SQLITE_NOMEM : FTS_CORRUPT_VTAB; + } }else{ return sqlite3_reset(pSelect); } @@ -176348,6 +181392,10 @@ static int fts3IncrmergeLoad( int i; int nHeight = (int)aRoot[0]; NodeWriter *pNode; + if( nHeight<1 || nHeight>=FTS_MAX_APPENDABLE_HEIGHT ){ + sqlite3_reset(pSelect); + return FTS_CORRUPT_VTAB; + } pWriter->nLeafEst = (int)((iEnd - iStart) + 1)/FTS_MAX_APPENDABLE_HEIGHT; pWriter->iStart = iStart; @@ -176361,7 +181409,7 @@ static int fts3IncrmergeLoad( pNode = &pWriter->aNodeWriter[nHeight]; pNode->iBlock = pWriter->iStart + pWriter->nLeafEst*nHeight; - blobGrowBuffer(&pNode->block, + blobGrowBuffer(&pNode->block, MAX(nRoot, p->nNodeSize)+FTS3_NODE_PADDING, &rc ); if( rc==SQLITE_OK ){ @@ -176387,7 +181435,7 @@ static int fts3IncrmergeLoad( pNode = &pWriter->aNodeWriter[i-1]; pNode->iBlock = reader.iChild; rc = sqlite3Fts3ReadBlock(p, reader.iChild, &aBlock, &nBlock, 0); - blobGrowBuffer(&pNode->block, + blobGrowBuffer(&pNode->block, MAX(nBlock, p->nNodeSize)+FTS3_NODE_PADDING, &rc ); if( rc==SQLITE_OK ){ @@ -176413,13 +181461,13 @@ static int fts3IncrmergeLoad( /* ** Determine the largest segment index value that exists within absolute ** level iAbsLevel+1. If no error occurs, set *piIdx to this value plus -** one before returning SQLITE_OK. Or, if there are no segments at all +** one before returning SQLITE_OK. Or, if there are no segments at all ** within level iAbsLevel, set *piIdx to zero. ** ** If an error occurs, return an SQLite error code. The final value of ** *piIdx is undefined in this case. */ -static int fts3IncrmergeOutputIdx( +static int fts3IncrmergeOutputIdx( Fts3Table *p, /* FTS Table handle */ sqlite3_int64 iAbsLevel, /* Absolute index of input segments */ int *piIdx /* OUT: Next free index at iAbsLevel+1 */ @@ -176438,7 +181486,7 @@ static int fts3IncrmergeOutputIdx( return rc; } -/* +/* ** Allocate an appendable output segment on absolute level iAbsLevel+1 ** with idx value iIdx. ** @@ -176452,7 +181500,7 @@ static int fts3IncrmergeOutputIdx( ** When an appendable segment is allocated, it is estimated that the ** maximum number of leaf blocks that may be required is the sum of the ** number of leaf blocks consumed by the input segments, plus the number -** of input segments, multiplied by two. This value is stored in stack +** of input segments, multiplied by two. This value is stored in stack ** variable nLeafEst. ** ** A total of 16*nLeafEst blocks are allocated when an appendable segment @@ -176461,10 +181509,10 @@ static int fts3IncrmergeOutputIdx( ** of interior nodes that are parents of the leaf nodes start at block ** (start_block + (1 + end_block - start_block) / 16). And so on. ** -** In the actual code below, the value "16" is replaced with the +** In the actual code below, the value "16" is replaced with the ** pre-processor macro FTS_MAX_APPENDABLE_HEIGHT. */ -static int fts3IncrmergeWriter( +static int fts3IncrmergeWriter( Fts3Table *p, /* Fts3 table handle */ sqlite3_int64 iAbsLevel, /* Absolute level of input segments */ int iIdx, /* Index of new output segment */ @@ -176502,7 +181550,7 @@ static int fts3IncrmergeWriter( if( rc!=SQLITE_OK ) return rc; /* Insert the marker in the %_segments table to make sure nobody tries - ** to steal the space just allocated. This is also used to identify + ** to steal the space just allocated. This is also used to identify ** appendable segments. */ rc = fts3WriteSegment(p, pWriter->iEnd, 0, 0); if( rc!=SQLITE_OK ) return rc; @@ -176519,13 +181567,13 @@ static int fts3IncrmergeWriter( } /* -** Remove an entry from the %_segdir table. This involves running the +** Remove an entry from the %_segdir table. This involves running the ** following two statements: ** ** DELETE FROM %_segdir WHERE level = :iAbsLevel AND idx = :iIdx ** UPDATE %_segdir SET idx = idx - 1 WHERE level = :iAbsLevel AND idx > :iIdx ** -** The DELETE statement removes the specific %_segdir level. The UPDATE +** The DELETE statement removes the specific %_segdir level. The UPDATE ** statement ensures that the remaining segments have contiguously allocated ** idx values. */ @@ -176650,8 +181698,8 @@ static int fts3TruncateNode( pNew->n = 0; /* Populate new node buffer */ - for(rc = nodeReaderInit(&reader, aNode, nNode); - rc==SQLITE_OK && reader.aNode; + for(rc = nodeReaderInit(&reader, aNode, nNode); + rc==SQLITE_OK && reader.aNode; rc = nodeReaderNext(&reader) ){ if( pNew->n==0 ){ @@ -176678,7 +181726,7 @@ static int fts3TruncateNode( } /* -** Remove all terms smaller than zTerm/nTerm from segment iIdx in absolute +** Remove all terms smaller than zTerm/nTerm from segment iIdx in absolute ** level iAbsLevel. This may involve deleting entries from the %_segments ** table, and modifying existing entries in both the %_segments and %_segdir ** tables. @@ -176802,9 +181850,9 @@ static int fts3IncrmergeChomp( } *pnRem = 0; }else{ - /* The incremental merge did not copy all the data from this + /* The incremental merge did not copy all the data from this ** segment to the upper level. The segment is modified in place - ** so that it contains no keys smaller than zTerm/nTerm. */ + ** so that it contains no keys smaller than zTerm/nTerm. */ const char *zTerm = pSeg->zTerm; int nTerm = pSeg->nTerm; rc = fts3TruncateSegment(p, iAbsLevel, pSeg->iIdx, zTerm, nTerm); @@ -176840,7 +181888,7 @@ static int fts3IncrmergeHintStore(Fts3Table *p, Blob *pHint){ } /* -** Load an incr-merge hint from the database. The incr-merge hint, if one +** Load an incr-merge hint from the database. The incr-merge hint, if one ** exists, is stored in the rowid==1 row of the %_stat table. ** ** If successful, populate blob *pHint with the value read from the %_stat @@ -176877,7 +181925,7 @@ static int fts3IncrmergeHintLoad(Fts3Table *p, Blob *pHint){ /* ** If *pRc is not SQLITE_OK when this function is called, it is a no-op. ** Otherwise, append an entry to the hint stored in blob *pHint. Each entry -** consists of two varints, the absolute level number of the input segments +** consists of two varints, the absolute level number of the input segments ** and the number of input segments. ** ** If successful, leave *pRc set to SQLITE_OK and return. If an error occurs, @@ -176898,7 +181946,7 @@ static void fts3IncrmergeHintPush( /* ** Read the last entry (most recently pushed) from the hint blob *pHint -** and then remove the entry. Write the two values read to *piAbsLevel and +** and then remove the entry. Write the two values read to *piAbsLevel and ** *pnInput before returning. ** ** If no error occurs, return SQLITE_OK. If the hint blob in *pHint does @@ -176908,13 +181956,17 @@ static int fts3IncrmergeHintPop(Blob *pHint, i64 *piAbsLevel, int *pnInput){ const int nHint = pHint->n; int i; - i = pHint->n-2; + i = pHint->n-1; + if( (pHint->a[i] & 0x80) ) return FTS_CORRUPT_VTAB; while( i>0 && (pHint->a[i-1] & 0x80) ) i--; + if( i==0 ) return FTS_CORRUPT_VTAB; + i--; while( i>0 && (pHint->a[i-1] & 0x80) ) i--; pHint->n = i; i += sqlite3Fts3GetVarint(&pHint->a[i], piAbsLevel); i += fts3GetVarint32(&pHint->a[i], pnInput); + assert( i<=nHint ); if( i!=nHint ) return FTS_CORRUPT_VTAB; return SQLITE_OK; @@ -176924,10 +181976,10 @@ static int fts3IncrmergeHintPop(Blob *pHint, i64 *piAbsLevel, int *pnInput){ /* ** Attempt an incremental merge that writes nMerge leaf blocks. ** -** Incremental merges happen nMin segments at a time. The segments -** to be merged are the nMin oldest segments (the ones with the smallest -** values for the _segdir.idx field) in the highest level that contains -** at least nMin segments. Multiple merges might occur in an attempt to +** Incremental merges happen nMin segments at a time. The segments +** to be merged are the nMin oldest segments (the ones with the smallest +** values for the _segdir.idx field) in the highest level that contains +** at least nMin segments. Multiple merges might occur in an attempt to ** write the quota of nMerge leaf blocks. */ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ @@ -176958,7 +182010,7 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ /* Search the %_segdir table for the absolute level with the smallest ** relative level number that contains at least nMin segments, if any. ** If one is found, set iAbsLevel to the absolute level number and - ** nSeg to nMin. If no level with at least nMin segments can be found, + ** nSeg to nMin. If no level with at least nMin segments can be found, ** set nSeg to -1. */ rc = fts3SqlStmt(p, SQL_FIND_MERGE_LEVEL, &pFindLevel, 0); @@ -176974,7 +182026,7 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ /* If the hint read from the %_stat table is not empty, check if the ** last entry in it specifies a relative level smaller than or equal - ** to the level identified by the block above (if any). If so, this + ** to the level identified by the block above (if any). If so, this ** iteration of the loop will work on merging at the hinted level. */ if( rc==SQLITE_OK && hint.n ){ @@ -176984,8 +182036,14 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ rc = fts3IncrmergeHintPop(&hint, &iHintAbsLevel, &nHintSeg); if( nSeg<0 || (iAbsLevel % nMod) >= (iHintAbsLevel % nMod) ){ + /* Based on the scan in the block above, it is known that there + ** are no levels with a relative level smaller than that of + ** iAbsLevel with more than nSeg segments, or if nSeg is -1, + ** no levels with more than nMin segments. Use this to limit the + ** value of nHintSeg to avoid a large memory allocation in case the + ** merge-hint is corrupt*/ iAbsLevel = iHintAbsLevel; - nSeg = nHintSeg; + nSeg = MIN(MAX(nMin,nSeg), nHintSeg); bUseHint = 1; bDirtyHint = 1; }else{ @@ -176998,13 +182056,19 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ /* If nSeg is less that zero, then there is no level with at least ** nMin segments and no hint in the %_stat table. No work to do. ** Exit early in this case. */ - if( nSeg<0 ) break; + if( nSeg<=0 ) break; - /* Open a cursor to iterate through the contents of the oldest nSeg - ** indexes of absolute level iAbsLevel. If this cursor is opened using + assert( nMod<=0x7FFFFFFF ); + if( iAbsLevel<0 || iAbsLevel>(nMod<<32) ){ + rc = FTS_CORRUPT_VTAB; + break; + } + + /* Open a cursor to iterate through the contents of the oldest nSeg + ** indexes of absolute level iAbsLevel. If this cursor is opened using ** the 'hint' parameters, it is possible that there are less than nSeg ** segments available in level iAbsLevel. In this case, no work is - ** done on iAbsLevel - fall through to the next iteration of the loop + ** done on iAbsLevel - fall through to the next iteration of the loop ** to start work on some other level. */ memset(pWriter, 0, nAlloc); pFilter->flags = FTS3_SEGMENT_REQUIRE_POS; @@ -177026,8 +182090,15 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ } if( SQLITE_OK==rc && pCsr->nSegment==nSeg && SQLITE_OK==(rc = sqlite3Fts3SegReaderStart(p, pCsr, pFilter)) - && SQLITE_ROW==(rc = sqlite3Fts3SegReaderStep(p, pCsr)) ){ + int bEmpty = 0; + rc = sqlite3Fts3SegReaderStep(p, pCsr); + if( rc==SQLITE_OK ){ + bEmpty = 1; + }else if( rc!=SQLITE_ROW ){ + sqlite3Fts3SegReaderFinish(pCsr); + break; + } if( bUseHint && iIdx>0 ){ const char *zKey = pCsr->zTerm; int nKey = pCsr->nTerm; @@ -177038,11 +182109,13 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ if( rc==SQLITE_OK && pWriter->nLeafEst ){ fts3LogMerge(nSeg, iAbsLevel); - do { - rc = fts3IncrmergeAppend(p, pWriter, pCsr); - if( rc==SQLITE_OK ) rc = sqlite3Fts3SegReaderStep(p, pCsr); - if( pWriter->nWork>=nRem && rc==SQLITE_ROW ) rc = SQLITE_OK; - }while( rc==SQLITE_ROW ); + if( bEmpty==0 ){ + do { + rc = fts3IncrmergeAppend(p, pWriter, pCsr); + if( rc==SQLITE_OK ) rc = sqlite3Fts3SegReaderStep(p, pCsr); + if( pWriter->nWork>=nRem && rc==SQLITE_ROW ) rc = SQLITE_OK; + }while( rc==SQLITE_ROW ); + } /* Update or delete the input segments */ if( rc==SQLITE_OK ){ @@ -177083,7 +182156,7 @@ SQLITE_PRIVATE int sqlite3Fts3Incrmerge(Fts3Table *p, int nMerge, int nMin){ ** the integer. ** ** This function used for parameters to merge= and incrmerge= -** commands. +** commands. */ static int fts3Getint(const char **pz){ const char *z = *pz; @@ -177107,7 +182180,7 @@ static int fts3DoIncrmerge( const char *zParam /* Nul-terminated string containing "A,B" */ ){ int rc; - int nMin = (FTS3_MERGE_COUNT / 2); + int nMin = (MergeCount(p) / 2); int nMerge = 0; const char *z = zParam; @@ -177152,7 +182225,7 @@ static int fts3DoAutoincrmerge( int rc = SQLITE_OK; sqlite3_stmt *pStmt = 0; p->nAutoincrmerge = fts3Getint(&zParam); - if( p->nAutoincrmerge==1 || p->nAutoincrmerge>FTS3_MERGE_COUNT ){ + if( p->nAutoincrmerge==1 || p->nAutoincrmerge>MergeCount(p) ){ p->nAutoincrmerge = 8; } if( !p->bHasStat ){ @@ -177235,12 +182308,12 @@ static u64 fts3ChecksumIndex( i64 iDocid = 0; i64 iCol = 0; - i64 iPos = 0; + u64 iPos = 0; pCsr += sqlite3Fts3GetVarint(pCsr, &iDocid); while( pCsr<pEnd ){ - i64 iVal = 0; - pCsr += sqlite3Fts3GetVarint(pCsr, &iVal); + u64 iVal = 0; + pCsr += sqlite3Fts3GetVarintU(pCsr, &iVal); if( pCsr<pEnd ){ if( iVal==0 || iVal==1 ){ iCol = 0; @@ -177248,8 +182321,12 @@ static u64 fts3ChecksumIndex( if( iVal ){ pCsr += sqlite3Fts3GetVarint(pCsr, &iCol); }else{ - pCsr += sqlite3Fts3GetVarint(pCsr, &iVal); - iDocid += iVal; + pCsr += sqlite3Fts3GetVarintU(pCsr, &iVal); + if( p->bDescIdx ){ + iDocid = (i64)((u64)iDocid - iVal); + }else{ + iDocid = (i64)((u64)iDocid + iVal); + } } }else{ iPos += (iVal - 2); @@ -177274,7 +182351,7 @@ static u64 fts3ChecksumIndex( ** to true and return SQLITE_OK. Or if the contents do not match, set *pbOk ** to false before returning. ** -** If an error occurs (e.g. an OOM or IO error), return an SQLite error +** If an error occurs (e.g. an OOM or IO error), return an SQLite error ** code. The final value of *pbOk is undefined in this case. */ static int fts3IntegrityCheck(Fts3Table *p, int *pbOk){ @@ -177305,7 +182382,7 @@ static int fts3IntegrityCheck(Fts3Table *p, int *pbOk){ sqlite3_tokenizer_module const *pModule = p->pTokenizer->pModule; sqlite3_stmt *pStmt = 0; char *zSql; - + zSql = sqlite3_mprintf("SELECT %s" , p->zReadExprlist); if( !zSql ){ rc = SQLITE_NOMEM; @@ -177322,10 +182399,9 @@ static int fts3IntegrityCheck(Fts3Table *p, int *pbOk){ for(iCol=0; rc==SQLITE_OK && iCol<p->nColumn; iCol++){ if( p->abNotindexed[iCol]==0 ){ const char *zText = (const char *)sqlite3_column_text(pStmt, iCol+1); - int nText = sqlite3_column_bytes(pStmt, iCol+1); sqlite3_tokenizer_cursor *pT = 0; - rc = sqlite3Fts3OpenTokenizer(p->pTokenizer, iLang, zText, nText,&pT); + rc = sqlite3Fts3OpenTokenizer(p->pTokenizer, iLang, zText, -1, &pT); while( rc==SQLITE_OK ){ char const *zToken; /* Buffer containing token */ int nToken = 0; /* Number of bytes in token */ @@ -177365,7 +182441,7 @@ static int fts3IntegrityCheck(Fts3Table *p, int *pbOk){ ** the FTS index are correct, return SQLITE_OK. Or, if the contents of the ** FTS index are incorrect, return SQLITE_CORRUPT_VTAB. ** -** Or, if an error (e.g. an OOM or IO error) occurs, return an SQLite +** Or, if an error (e.g. an OOM or IO error) occurs, return an SQLite ** error code. ** ** The integrity-check works as follows. For each token and indexed token @@ -177374,7 +182450,7 @@ static int fts3IntegrityCheck(Fts3Table *p, int *pbOk){ ** ** + The index number (0 for the main index, 1 for the first prefix ** index etc.), -** + The token (or token prefix) text itself, +** + The token (or token prefix) text itself, ** + The language-id of the row it appears in, ** + The docid of the row it appears in, ** + The column it appears in, and @@ -177385,7 +182461,7 @@ static int fts3IntegrityCheck(Fts3Table *p, int *pbOk){ ** ** The integrity-check code calculates the same checksum in two ways: ** -** 1. By scanning the contents of the FTS index, and +** 1. By scanning the contents of the FTS index, and ** 2. By scanning and tokenizing the content table. ** ** If the two checksums are identical, the integrity-check is deemed to have @@ -177406,11 +182482,11 @@ static int fts3DoIntegrityCheck( ** ** "INSERT INTO tbl(tbl) VALUES(<expr>)" ** -** Argument pVal contains the result of <expr>. Currently the only +** Argument pVal contains the result of <expr>. Currently the only ** meaningful value to insert is the text 'optimize'. */ static int fts3SpecialInsert(Fts3Table *p, sqlite3_value *pVal){ - int rc; /* Return Code */ + int rc = SQLITE_ERROR; /* Return Code */ const char *zVal = (const char *)sqlite3_value_text(pVal); int nVal = sqlite3_value_bytes(pVal); @@ -177426,21 +182502,27 @@ static int fts3SpecialInsert(Fts3Table *p, sqlite3_value *pVal){ rc = fts3DoIncrmerge(p, &zVal[6]); }else if( nVal>10 && 0==sqlite3_strnicmp(zVal, "automerge=", 10) ){ rc = fts3DoAutoincrmerge(p, &zVal[10]); -#ifdef SQLITE_TEST - }else if( nVal>9 && 0==sqlite3_strnicmp(zVal, "nodesize=", 9) ){ - p->nNodeSize = atoi(&zVal[9]); - rc = SQLITE_OK; - }else if( nVal>11 && 0==sqlite3_strnicmp(zVal, "maxpending=", 9) ){ - p->nMaxPendingData = atoi(&zVal[11]); - rc = SQLITE_OK; - }else if( nVal>21 && 0==sqlite3_strnicmp(zVal, "test-no-incr-doclist=", 21) ){ - p->bNoIncrDoclist = atoi(&zVal[21]); - rc = SQLITE_OK; -#endif +#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST) }else{ - rc = SQLITE_ERROR; + int v; + if( nVal>9 && 0==sqlite3_strnicmp(zVal, "nodesize=", 9) ){ + v = atoi(&zVal[9]); + if( v>=24 && v<=p->nPgsz-35 ) p->nNodeSize = v; + rc = SQLITE_OK; + }else if( nVal>11 && 0==sqlite3_strnicmp(zVal, "maxpending=", 9) ){ + v = atoi(&zVal[11]); + if( v>=64 && v<=FTS3_MAX_PENDING_DATA ) p->nMaxPendingData = v; + rc = SQLITE_OK; + }else if( nVal>21 && 0==sqlite3_strnicmp(zVal,"test-no-incr-doclist=",21) ){ + p->bNoIncrDoclist = atoi(&zVal[21]); + rc = SQLITE_OK; + }else if( nVal>11 && 0==sqlite3_strnicmp(zVal,"mergecount=",11) ){ + v = atoi(&zVal[11]); + if( v>=4 && v<=FTS3_MERGE_COUNT && (v&1)==0 ) p->nMergeCount = v; + rc = SQLITE_OK; + } +#endif } - return rc; } @@ -177458,7 +182540,7 @@ SQLITE_PRIVATE void sqlite3Fts3FreeDeferredDoclists(Fts3Cursor *pCsr){ } /* -** Free all entries in the pCsr->pDeffered list. Entries are added to +** Free all entries in the pCsr->pDeffered list. Entries are added to ** this list using sqlite3Fts3DeferToken(). */ SQLITE_PRIVATE void sqlite3Fts3FreeDeferredTokens(Fts3Cursor *pCsr){ @@ -177486,14 +182568,14 @@ SQLITE_PRIVATE int sqlite3Fts3CacheDeferredDoclists(Fts3Cursor *pCsr){ int i; /* Used to iterate through table columns */ sqlite3_int64 iDocid; /* Docid of the row pCsr points to */ Fts3DeferredToken *pDef; /* Used to iterate through deferred tokens */ - + Fts3Table *p = (Fts3Table *)pCsr->base.pVtab; sqlite3_tokenizer *pT = p->pTokenizer; sqlite3_tokenizer_module const *pModule = pT->pModule; - + assert( pCsr->isRequireSeek==0 ); iDocid = sqlite3_column_int64(pCsr->pStmt, 0); - + for(i=0; i<p->nColumn && rc==SQLITE_OK; i++){ if( p->abNotindexed[i]==0 ){ const char *zText = (const char *)sqlite3_column_text(pCsr->pStmt, i+1); @@ -177534,8 +182616,8 @@ SQLITE_PRIVATE int sqlite3Fts3CacheDeferredDoclists(Fts3Cursor *pCsr){ } SQLITE_PRIVATE int sqlite3Fts3DeferredTokenList( - Fts3DeferredToken *p, - char **ppData, + Fts3DeferredToken *p, + char **ppData, int *pnData ){ char *pRet; @@ -177555,7 +182637,7 @@ SQLITE_PRIVATE int sqlite3Fts3DeferredTokenList( nSkip = sqlite3Fts3GetVarint(p->pList->aData, &dummy); *pnData = p->pList->nData - nSkip; *ppData = pRet; - + memcpy(pRet, &p->pList->aData[nSkip], *pnData); return SQLITE_OK; } @@ -177575,7 +182657,7 @@ SQLITE_PRIVATE int sqlite3Fts3DeferToken( } memset(pDeferred, 0, sizeof(*pDeferred)); pDeferred->pToken = pToken; - pDeferred->pNext = pCsr->pDeferred; + pDeferred->pNext = pCsr->pDeferred; pDeferred->iCol = iCol; pCsr->pDeferred = pDeferred; @@ -177592,8 +182674,8 @@ SQLITE_PRIVATE int sqlite3Fts3DeferToken( ** of subsiduary data structures accordingly. */ static int fts3DeleteByRowid( - Fts3Table *p, - sqlite3_value *pRowid, + Fts3Table *p, + sqlite3_value *pRowid, int *pnChng, /* IN/OUT: Decrement if row is deleted */ u32 *aSzDel ){ @@ -177631,14 +182713,14 @@ static int fts3DeleteByRowid( ** This function does the work for the xUpdate method of FTS3 virtual ** tables. The schema of the virtual table being: ** -** CREATE TABLE <table name>( +** CREATE TABLE <table name>( ** <user columns>, -** <table name> HIDDEN, -** docid HIDDEN, +** <table name> HIDDEN, +** docid HIDDEN, ** <langid> HIDDEN ** ); ** -** +** */ SQLITE_PRIVATE int sqlite3Fts3UpdateMethod( sqlite3_vtab *pVtab, /* FTS3 vtab object */ @@ -177658,7 +182740,7 @@ SQLITE_PRIVATE int sqlite3Fts3UpdateMethod( assert( p->bHasStat==0 || p->bHasStat==1 ); assert( p->pSegments==0 ); - assert( + assert( nArg==1 /* DELETE operations */ || nArg==(2 + p->nColumn + 3) /* INSERT or UPDATE operations */ ); @@ -177667,9 +182749,9 @@ SQLITE_PRIVATE int sqlite3Fts3UpdateMethod( ** ** INSERT INTO xyz(xyz) VALUES('command'); */ - if( nArg>1 - && sqlite3_value_type(apVal[0])==SQLITE_NULL - && sqlite3_value_type(apVal[p->nColumn+2])!=SQLITE_NULL + if( nArg>1 + && sqlite3_value_type(apVal[0])==SQLITE_NULL + && sqlite3_value_type(apVal[p->nColumn+2])!=SQLITE_NULL ){ rc = fts3SpecialInsert(p, apVal[p->nColumn+2]); goto update_out; @@ -177708,24 +182790,24 @@ SQLITE_PRIVATE int sqlite3Fts3UpdateMethod( pNewRowid = apVal[1]; } - if( sqlite3_value_type(pNewRowid)!=SQLITE_NULL && ( + if( sqlite3_value_type(pNewRowid)!=SQLITE_NULL && ( sqlite3_value_type(apVal[0])==SQLITE_NULL || sqlite3_value_int64(apVal[0])!=sqlite3_value_int64(pNewRowid) )){ /* The new rowid is not NULL (in this case the rowid will be - ** automatically assigned and there is no chance of a conflict), and + ** automatically assigned and there is no chance of a conflict), and ** the statement is either an INSERT or an UPDATE that modifies the ** rowid column. So if the conflict mode is REPLACE, then delete any - ** existing row with rowid=pNewRowid. + ** existing row with rowid=pNewRowid. ** - ** Or, if the conflict mode is not REPLACE, insert the new record into + ** Or, if the conflict mode is not REPLACE, insert the new record into ** the %_content table. If we hit the duplicate rowid constraint (or any ** other error) while doing so, return immediately. ** ** This branch may also run if pNewRowid contains a value that cannot - ** be losslessly converted to an integer. In this case, the eventual + ** be losslessly converted to an integer. In this case, the eventual ** call to fts3InsertData() (either just below or further on in this - ** function) will return SQLITE_MISMATCH. If fts3DeleteByRowid is + ** function) will return SQLITE_MISMATCH. If fts3DeleteByRowid is ** invoked, it will delete zero rows (since no row will have ** docid=$pNewRowid if $pNewRowid is not an integer value). */ @@ -177746,7 +182828,7 @@ SQLITE_PRIVATE int sqlite3Fts3UpdateMethod( assert( sqlite3_value_type(apVal[0])==SQLITE_INTEGER ); rc = fts3DeleteByRowid(p, apVal[0], &nChng, aSzDel); } - + /* If this is an INSERT or UPDATE operation, insert the new record. */ if( nArg>1 && rc==SQLITE_OK ){ int iLangid = sqlite3_value_int(apVal[2 + p->nColumn + 2]); @@ -177779,10 +182861,10 @@ SQLITE_PRIVATE int sqlite3Fts3UpdateMethod( return rc; } -/* +/* ** Flush any data in the pending-terms hash table to disk. If successful, -** merge all segments in the database (including the new segment, if -** there was any data to flush) into a single segment. +** merge all segments in the database (including the new segment, if +** there was any data to flush) into a single segment. */ SQLITE_PRIVATE int sqlite3Fts3Optimize(Fts3Table *p){ int rc; @@ -177838,7 +182920,7 @@ SQLITE_PRIVATE int sqlite3Fts3Optimize(Fts3Table *p){ #define FTS3_MATCHINFO_LHITS_BM 'b' /* nCol*nPhrase values */ /* -** The default value for the second argument to matchinfo(). +** The default value for the second argument to matchinfo(). */ #define FTS3_MATCHINFO_DEFAULT "pcx" @@ -177855,7 +182937,7 @@ struct LoadDoclistCtx { }; /* -** The following types are used as part of the implementation of the +** The following types are used as part of the implementation of the ** fts3BestSnippet() routine. */ typedef struct SnippetIter SnippetIter; @@ -177888,7 +182970,7 @@ struct SnippetFragment { }; /* -** This type is used as an fts3ExprIterate() context object while +** This type is used as an fts3ExprIterate() context object while ** accumulating the data returned by the matchinfo() function. */ typedef struct MatchInfo MatchInfo; @@ -177959,8 +183041,8 @@ static MatchinfoBuffer *fts3MIBufferNew(size_t nElem, const char *zMatchinfo){ static void fts3MIBufferFree(void *p){ MatchinfoBuffer *pBuf = (MatchinfoBuffer*)((u8*)p - ((u32*)p)[-1]); - assert( (u32*)p==&pBuf->aMatchinfo[1] - || (u32*)p==&pBuf->aMatchinfo[pBuf->nElem+2] + assert( (u32*)p==&pBuf->aMatchinfo[1] + || (u32*)p==&pBuf->aMatchinfo[pBuf->nElem+2] ); if( (u32*)p==&pBuf->aMatchinfo[1] ){ pBuf->aRef[1] = 0; @@ -178016,7 +183098,7 @@ SQLITE_PRIVATE void sqlite3Fts3MIBufferFree(MatchinfoBuffer *p){ } } -/* +/* ** End of MatchinfoBuffer code. *************************************************************************/ @@ -178077,7 +183159,7 @@ static int fts3ExprIterate2( ** are part of a sub-tree that is the right-hand-side of a NOT operator. ** For each phrase node found, the supplied callback function is invoked. ** -** If the callback function returns anything other than SQLITE_OK, +** If the callback function returns anything other than SQLITE_OK, ** the iteration is abandoned and the error code returned immediately. ** Otherwise, SQLITE_OK is returned after a callback has been made for ** all eligible phrase nodes. @@ -178112,11 +183194,11 @@ static int fts3ExprLoadDoclistsCb(Fts3Expr *pExpr, int iPhrase, void *ctx){ /* ** Load the doclists for each phrase in the query associated with FTS3 cursor -** pCsr. +** pCsr. ** -** If pnPhrase is not NULL, then *pnPhrase is set to the number of matchable -** phrases in the expression (all phrases except those directly or -** indirectly descended from the right-hand-side of a NOT operator). If +** If pnPhrase is not NULL, then *pnPhrase is set to the number of matchable +** phrases in the expression (all phrases except those directly or +** indirectly descended from the right-hand-side of a NOT operator). If ** pnToken is not NULL, then it is set to the number of tokens in all ** matchable phrases of the expression. */ @@ -178146,7 +183228,7 @@ static int fts3ExprPhraseCount(Fts3Expr *pExpr){ } /* -** Advance the position list iterator specified by the first two +** Advance the position list iterator specified by the first two ** arguments so that it points to the first element with a value greater ** than or equal to parameter iNext. */ @@ -178215,7 +183297,7 @@ static int fts3SnippetNextCandidate(SnippetIter *pIter){ } /* -** Retrieve information about the current candidate snippet of snippet +** Retrieve information about the current candidate snippet of snippet ** iterator pIter. */ static void fts3SnippetDetails( @@ -178295,7 +183377,7 @@ static int fts3SnippetFindPositions(Fts3Expr *pExpr, int iPhrase, void *ctx){ } }else{ assert( rc!=SQLITE_OK || ( - pPhrase->pList==0 && pPhrase->pHead==0 && pPhrase->pTail==0 + pPhrase->pList==0 && pPhrase->pHead==0 && pPhrase->pTail==0 )); } @@ -178303,14 +183385,14 @@ static int fts3SnippetFindPositions(Fts3Expr *pExpr, int iPhrase, void *ctx){ } /* -** Select the fragment of text consisting of nFragment contiguous tokens +** Select the fragment of text consisting of nFragment contiguous tokens ** from column iCol that represent the "best" snippet. The best snippet ** is the snippet with the highest score, where scores are calculated ** by adding: ** ** (a) +1 point for each occurrence of a matchable phrase in the snippet. ** -** (b) +1000 points for the first occurrence of each matchable phrase in +** (b) +1000 points for the first occurrence of each matchable phrase in ** the snippet for which the corresponding mCovered bit is not set. ** ** The selected snippet parameters are stored in structure *pFragment before @@ -178367,11 +183449,11 @@ static int fts3BestSnippet( /* Set the *pmSeen output variable. */ for(i=0; i<nList; i++){ if( sIter.aPhrase[i].pHead ){ - *pmSeen |= (u64)1 << i; + *pmSeen |= (u64)1 << (i%64); } } - /* Loop through all candidate snippets. Store the best snippet in + /* Loop through all candidate snippets. Store the best snippet in ** *pFragment. Store its associated 'score' in iBestScore. */ pFragment->iCol = iCol; @@ -178443,8 +183525,8 @@ static int fts3StringAppend( ** ** ........X.....X ** -** This function "shifts" the beginning of the snippet forward in the -** document so that there are approximately the same number of +** This function "shifts" the beginning of the snippet forward in the +** document so that there are approximately the same number of ** non-highlighted terms to the right of the final highlighted term as there ** are to the left of the first highlighted term. For example, to this: ** @@ -178452,8 +183534,8 @@ static int fts3StringAppend( ** ** This is done as part of extracting the snippet text, not when selecting ** the snippet. Snippet selection is done based on doclists only, so there -** is no way for fts3BestSnippet() to know whether or not the document -** actually contains terms that follow the final highlighted term. +** is no way for fts3BestSnippet() to know whether or not the document +** actually contains terms that follow the final highlighted term. */ static int fts3SnippetShift( Fts3Table *pTab, /* FTS3 table snippet comes from */ @@ -178543,7 +183625,7 @@ static int fts3SnippetText( int iCol = pFragment->iCol+1; /* Query column to extract text from */ sqlite3_tokenizer_module *pMod; /* Tokenizer module methods object */ sqlite3_tokenizer_cursor *pC; /* Tokenizer cursor open on zDoc/nDoc */ - + zDoc = (const char *)sqlite3_column_text(pCsr->pStmt, iCol); if( zDoc==0 ){ if( sqlite3_column_type(pCsr->pStmt, iCol)!=SQLITE_NULL ){ @@ -178583,7 +183665,7 @@ static int fts3SnippetText( if( rc==SQLITE_DONE ){ /* Special case - the last token of the snippet is also the last token ** of the column. Append any punctuation that occurred between the end - ** of the previous token and the end of the document to the output. + ** of the previous token and the end of the document to the output. ** Then break out of the loop. */ rc = fts3StringAppend(pOut, &zDoc[iEnd], -1); } @@ -178600,7 +183682,7 @@ static int fts3SnippetText( /* Now that the shift has been done, check if the initial "..." are ** required. They are required if (a) this is not the first fragment, - ** or (b) this fragment does not begin at position 0 of its column. + ** or (b) this fragment does not begin at position 0 of its column. */ if( rc==SQLITE_OK ){ if( iPos>0 || iFragment>0 ){ @@ -178636,8 +183718,8 @@ static int fts3SnippetText( /* -** This function is used to count the entries in a column-list (a -** delta-encoded list of term offsets within a single column of a single +** This function is used to count the entries in a column-list (a +** delta-encoded list of term offsets within a single column of a single ** row). When this function is called, *ppCollist should point to the ** beginning of the first varint in the column-list (the varint that ** contains the position of the first matching term in the column data). @@ -178683,7 +183765,7 @@ static int fts3ExprLHits( iStart = pExpr->iPhrase * ((p->nCol + 31) / 32); } - while( 1 ){ + if( pIter ) while( 1 ){ int nHit = fts3ColumnlistCount(&pIter); if( (pPhrase->iColumn>=pTab->nColumn || pPhrase->iColumn==iCol) ){ if( p->flag==FTS3_MATCHINFO_LHITS ){ @@ -178723,11 +183805,11 @@ static int fts3ExprLHitGather( /* ** fts3ExprIterate() callback used to collect the "global" matchinfo stats -** for a single query. +** for a single query. ** ** fts3ExprIterate() callback to load the 'global' elements of a -** FTS3_MATCHINFO_HITS matchinfo array. The global stats are those elements -** of the matchinfo array that are constant for all rows returned by the +** FTS3_MATCHINFO_HITS matchinfo array. The global stats are those elements +** of the matchinfo array that are constant for all rows returned by the ** current query. ** ** Argument pCtx is actually a pointer to a struct of type MatchInfo. This @@ -178743,7 +183825,7 @@ static int fts3ExprLHitGather( ** at least one instance of phrase iPhrase. ** ** If the phrase pExpr consists entirely of deferred tokens, then all X and -** Y values are set to nDoc, where nDoc is the number of documents in the +** Y values are set to nDoc, where nDoc is the number of documents in the ** file system. This is done because the full-text index doclist is required ** to calculate these values properly, and the full-text index doclist is ** not available for deferred tokens. @@ -178761,7 +183843,7 @@ static int fts3ExprGlobalHitsCb( /* ** fts3ExprIterate() callback used to collect the "local" part of the -** FTS3_MATCHINFO_HITS array. The local stats are those elements of the +** FTS3_MATCHINFO_HITS array. The local stats are those elements of the ** array that are different for each row returned by the query. */ static int fts3ExprLocalHitsCb( @@ -178788,7 +183870,7 @@ static int fts3ExprLocalHitsCb( } static int fts3MatchinfoCheck( - Fts3Table *pTab, + Fts3Table *pTab, char cArg, char **pzErr ){ @@ -178813,8 +183895,8 @@ static size_t fts3MatchinfoSize(MatchInfo *pInfo, char cArg){ switch( cArg ){ case FTS3_MATCHINFO_NDOC: - case FTS3_MATCHINFO_NPHRASE: - case FTS3_MATCHINFO_NCOL: + case FTS3_MATCHINFO_NPHRASE: + case FTS3_MATCHINFO_NCOL: nVal = 1; break; @@ -178845,11 +183927,15 @@ static int fts3MatchinfoSelectDoctotal( Fts3Table *pTab, sqlite3_stmt **ppStmt, sqlite3_int64 *pnDoc, - const char **paLen + const char **paLen, + const char **ppEnd ){ sqlite3_stmt *pStmt; const char *a; + const char *pEnd; sqlite3_int64 nDoc; + int n; + if( !*ppStmt ){ int rc = sqlite3Fts3SelectDoctotal(pTab, ppStmt); @@ -178858,17 +183944,25 @@ static int fts3MatchinfoSelectDoctotal( pStmt = *ppStmt; assert( sqlite3_data_count(pStmt)==1 ); + n = sqlite3_column_bytes(pStmt, 0); a = sqlite3_column_blob(pStmt, 0); - a += sqlite3Fts3GetVarint(a, &nDoc); - if( nDoc==0 ) return FTS_CORRUPT_VTAB; - *pnDoc = (u32)nDoc; + if( a==0 ){ + return FTS_CORRUPT_VTAB; + } + pEnd = a + n; + a += sqlite3Fts3GetVarintBounded(a, pEnd, &nDoc); + if( nDoc<=0 || a>pEnd ){ + return FTS_CORRUPT_VTAB; + } + *pnDoc = nDoc; if( paLen ) *paLen = a; + if( ppEnd ) *ppEnd = pEnd; return SQLITE_OK; } /* -** An instance of the following structure is used to store state while +** An instance of the following structure is used to store state while ** iterating through a multi-column position-list corresponding to the ** hits for a single phrase on a single row in order to calculate the ** values for a matchinfo() FTS3_MATCHINFO_LCS request. @@ -178881,7 +183975,7 @@ struct LcsIterator { int iPos; /* Current position */ }; -/* +/* ** If LcsIterator.iCol is set to the following value, the iterator has ** finished iterating through all offsets for all columns. */ @@ -178918,16 +184012,16 @@ static int fts3LcsIteratorAdvance(LcsIterator *pIter){ pIter->pRead = pRead; return rc; } - + /* -** This function implements the FTS3_MATCHINFO_LCS matchinfo() flag. +** This function implements the FTS3_MATCHINFO_LCS matchinfo() flag. ** ** If the call is successful, the longest-common-substring lengths for each -** column are written into the first nCol elements of the pInfo->aMatchinfo[] +** column are written into the first nCol elements of the pInfo->aMatchinfo[] ** array before returning. SQLITE_OK is returned in this case. ** ** Otherwise, if an error occurs, an SQLite error code is returned and the -** data written to the first nCol elements of pInfo->aMatchinfo[] is +** data written to the first nCol elements of pInfo->aMatchinfo[] is ** undefined. */ static int fts3MatchinfoLcs(Fts3Cursor *pCsr, MatchInfo *pInfo){ @@ -179004,7 +184098,7 @@ static int fts3MatchinfoLcs(Fts3Cursor *pCsr, MatchInfo *pInfo){ /* ** Populate the buffer pInfo->aMatchinfo[] with an array of integers to -** be returned by the matchinfo() function. Argument zArg contains the +** be returned by the matchinfo() function. Argument zArg contains the ** format string passed as the second argument to matchinfo (or the ** default value "pcx" if no second argument was specified). The format ** string has already been validated and the pInfo->aMatchinfo[] array @@ -179015,7 +184109,7 @@ static int fts3MatchinfoLcs(Fts3Cursor *pCsr, MatchInfo *pInfo){ ** rows (i.e. FTS3_MATCHINFO_NPHRASE, NCOL, NDOC, AVGLENGTH and part of HITS) ** have already been populated. ** -** Return SQLITE_OK if successful, or an SQLite error code if an error +** Return SQLITE_OK if successful, or an SQLite error code if an error ** occurs. If a value other than SQLITE_OK is returned, the state the ** pInfo->aMatchinfo[] buffer is left in is undefined. */ @@ -179040,27 +184134,32 @@ static int fts3MatchinfoValues( case FTS3_MATCHINFO_NCOL: if( bGlobal ) pInfo->aMatchinfo[0] = pInfo->nCol; break; - + case FTS3_MATCHINFO_NDOC: if( bGlobal ){ sqlite3_int64 nDoc = 0; - rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &nDoc, 0); + rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &nDoc, 0, 0); pInfo->aMatchinfo[0] = (u32)nDoc; } break; - case FTS3_MATCHINFO_AVGLENGTH: + case FTS3_MATCHINFO_AVGLENGTH: if( bGlobal ){ sqlite3_int64 nDoc; /* Number of rows in table */ const char *a; /* Aggregate column length array */ + const char *pEnd; /* First byte past end of length array */ - rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &nDoc, &a); + rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &nDoc, &a, &pEnd); if( rc==SQLITE_OK ){ int iCol; for(iCol=0; iCol<pInfo->nCol; iCol++){ u32 iVal; sqlite3_int64 nToken; a += sqlite3Fts3GetVarint(a, &nToken); + if( a>pEnd ){ + rc = SQLITE_CORRUPT_VTAB; + break; + } iVal = (u32)(((u32)(nToken&0xffffffff)+nDoc/2)/nDoc); pInfo->aMatchinfo[iCol] = iVal; } @@ -179074,9 +184173,14 @@ static int fts3MatchinfoValues( if( rc==SQLITE_OK ){ int iCol; const char *a = sqlite3_column_blob(pSelectDocsize, 0); + const char *pEnd = a + sqlite3_column_bytes(pSelectDocsize, 0); for(iCol=0; iCol<pInfo->nCol; iCol++){ sqlite3_int64 nToken; - a += sqlite3Fts3GetVarint(a, &nToken); + a += sqlite3Fts3GetVarintBounded(a, pEnd, &nToken); + if( a>pEnd ){ + rc = SQLITE_CORRUPT_VTAB; + break; + } pInfo->aMatchinfo[iCol] = (u32)nToken; } } @@ -179107,7 +184211,7 @@ static int fts3MatchinfoValues( if( rc!=SQLITE_OK ) break; if( bGlobal ){ if( pCsr->pDeferred ){ - rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &pInfo->nDoc, 0); + rc = fts3MatchinfoSelectDoctotal(pTab, &pSelect, &pInfo->nDoc,0,0); if( rc!=SQLITE_OK ) break; } rc = fts3ExprIterate(pExpr, fts3ExprGlobalHitsCb,(void*)pInfo); @@ -179128,7 +184232,7 @@ static int fts3MatchinfoValues( /* -** Populate pCsr->aMatchinfo[] with data for the current row. The +** Populate pCsr->aMatchinfo[] with data for the current row. The ** 'matchinfo' data is an array of 32-bit unsigned integers (C type u32). */ static void fts3GetMatchinfo( @@ -179148,8 +184252,8 @@ static void fts3GetMatchinfo( sInfo.pCursor = pCsr; sInfo.nCol = pTab->nColumn; - /* If there is cached matchinfo() data, but the format string for the - ** cache does not match the format string for this request, discard + /* If there is cached matchinfo() data, but the format string for the + ** cache does not match the format string for this request, discard ** the cached data. */ if( pCsr->pMIBuffer && strcmp(pCsr->pMIBuffer->zMatchinfo, zArg) ){ sqlite3Fts3MIBufferFree(pCsr->pMIBuffer); @@ -179157,7 +184261,7 @@ static void fts3GetMatchinfo( } /* If Fts3Cursor.pMIBuffer is NULL, then this is the first time the - ** matchinfo function has been called for this query. In this case + ** matchinfo function has been called for this query. In this case ** allocate the array used to accumulate the matchinfo data and ** initialize those elements that are constant for every row. */ @@ -179232,7 +184336,7 @@ SQLITE_PRIVATE void sqlite3Fts3Snippet( /* The returned text includes up to four fragments of text extracted from ** the data in the current row. The first iteration of the for(...) loop - ** below attempts to locate a single fragment of text nToken tokens in + ** below attempts to locate a single fragment of text nToken tokens in ** size that contains at least one instance of all phrases in the query ** expression that appear in the current row. If such a fragment of text ** cannot be found, the second iteration of the loop attempts to locate @@ -179303,7 +184407,7 @@ SQLITE_PRIVATE void sqlite3Fts3Snippet( assert( nFToken>0 ); for(i=0; i<nSnippet && rc==SQLITE_OK; i++){ - rc = fts3SnippetText(pCsr, &aSnippet[i], + rc = fts3SnippetText(pCsr, &aSnippet[i], i, (i==nSnippet-1), nFToken, zStart, zEnd, zEllipsis, &res ); } @@ -179401,7 +184505,7 @@ SQLITE_PRIVATE void sqlite3Fts3Offsets( sCtx.iDocid = pCsr->iPrevId; sCtx.pCsr = pCsr; - /* Loop through the table columns, appending offset information to + /* Loop through the table columns, appending offset information to ** string-buffer res for each column. */ for(iCol=0; iCol<pTab->nColumn; iCol++){ @@ -179414,7 +184518,7 @@ SQLITE_PRIVATE void sqlite3Fts3Offsets( const char *zDoc; int nDoc; - /* Initialize the contents of sCtx.aTerm[] for column iCol. There is + /* Initialize the contents of sCtx.aTerm[] for column iCol. There is ** no way that this operation can fail, so the return code from ** fts3ExprIterate() can be discarded. */ @@ -179422,11 +184526,11 @@ SQLITE_PRIVATE void sqlite3Fts3Offsets( sCtx.iTerm = 0; (void)fts3ExprIterate(pCsr->pExpr, fts3ExprTermOffsetInit, (void*)&sCtx); - /* Retreive the text stored in column iCol. If an SQL NULL is stored + /* Retreive the text stored in column iCol. If an SQL NULL is stored ** in column iCol, jump immediately to the next iteration of the loop. ** If an OOM occurs while retrieving the data (this can happen if SQLite - ** needs to transform the data from utf-16 to utf-8), return SQLITE_NOMEM - ** to the caller. + ** needs to transform the data from utf-16 to utf-8), return SQLITE_NOMEM + ** to the caller. */ zDoc = (const char *)sqlite3_column_text(pCsr->pStmt, iCol+1); nDoc = sqlite3_column_bytes(pCsr->pStmt, iCol+1); @@ -179473,7 +184577,7 @@ SQLITE_PRIVATE void sqlite3Fts3Offsets( } if( rc==SQLITE_OK ){ char aBuffer[64]; - sqlite3_snprintf(sizeof(aBuffer), aBuffer, + sqlite3_snprintf(sizeof(aBuffer), aBuffer, "%d %d %d %d ", iCol, pTerm-sCtx.aTerm, iStart, iEnd-iStart ); rc = fts3StringAppend(&res, aBuffer, -1); @@ -179654,7 +184758,7 @@ static int unicodeDestroy(sqlite3_tokenizer *pTokenizer){ ** ** For each codepoint in the zIn/nIn string, this function checks if the ** sqlite3FtsUnicodeIsalnum() function already returns the desired result. -** If so, no action is taken. Otherwise, the codepoint is added to the +** If so, no action is taken. Otherwise, the codepoint is added to the ** unicode_tokenizer.aiException[] array. For the purposes of tokenization, ** the return value of sqlite3FtsUnicodeIsalnum() is inverted for all ** codepoints in the aiException[] array. @@ -179680,8 +184784,8 @@ static int unicodeAddExceptions( while( z<zTerm ){ READ_UTF8(z, zTerm, iCode); assert( (sqlite3FtsUnicodeIsalnum((int)iCode) & 0xFFFFFFFE)==0 ); - if( sqlite3FtsUnicodeIsalnum((int)iCode)!=bAlnum - && sqlite3FtsUnicodeIsdiacritic((int)iCode)==0 + if( sqlite3FtsUnicodeIsalnum((int)iCode)!=bAlnum + && sqlite3FtsUnicodeIsdiacritic((int)iCode)==0 ){ nEntry++; } @@ -179698,7 +184802,7 @@ static int unicodeAddExceptions( z = (const unsigned char *)zIn; while( z<zTerm ){ READ_UTF8(z, zTerm, iCode); - if( sqlite3FtsUnicodeIsalnum((int)iCode)!=bAlnum + if( sqlite3FtsUnicodeIsalnum((int)iCode)!=bAlnum && sqlite3FtsUnicodeIsdiacritic((int)iCode)==0 ){ int i, j; @@ -179801,7 +184905,7 @@ static int unicodeCreate( /* ** Prepare to begin tokenizing a particular string. The input ** string to be tokenized is pInput[0..nBytes-1]. A cursor -** used to incrementally tokenize this string is returned in +** used to incrementally tokenize this string is returned in ** *ppCursor. */ static int unicodeOpen( @@ -179865,7 +184969,7 @@ static int unicodeNext( const unsigned char *zTerm = &pCsr->aInput[pCsr->nInput]; /* Scan past any delimiter characters before the start of the next token. - ** Return SQLITE_DONE early if this takes us all the way to the end of + ** Return SQLITE_DONE early if this takes us all the way to the end of ** the input. */ while( z<zTerm ){ READ_UTF8(z, zTerm, iCode); @@ -179897,7 +185001,7 @@ static int unicodeNext( /* If the cursor is not at EOF, read the next character */ if( z>=zTerm ) break; READ_UTF8(z, zTerm, iCode); - }while( unicodeIsAlnum(p, (int)iCode) + }while( unicodeIsAlnum(p, (int)iCode) || sqlite3FtsUnicodeIsdiacritic((int)iCode) ); @@ -179912,7 +185016,7 @@ static int unicodeNext( } /* -** Set *ppModule to a pointer to the sqlite3_tokenizer_module +** Set *ppModule to a pointer to the sqlite3_tokenizer_module ** structure for the unicode tokenizer. */ SQLITE_PRIVATE void sqlite3Fts3UnicodeTokenizer(sqlite3_tokenizer_module const **ppModule){ @@ -179967,11 +185071,11 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeIsalnum(int c){ ** range of unicode codepoints that are not either letters or numbers (i.e. ** codepoints for which this function should return 0). ** - ** The most significant 22 bits in each 32-bit value contain the first + ** The most significant 22 bits in each 32-bit value contain the first ** codepoint in the range. The least significant 10 bits are used to store - ** the size of the range (always at least 1). In other words, the value - ** ((C<<22) + N) represents a range of N codepoints starting with codepoint - ** C. It is not possible to represent a range larger than 1023 codepoints + ** the size of the range (always at least 1). In other words, the value + ** ((C<<22) + N) represents a range of N codepoints starting with codepoint + ** C. It is not possible to represent a range larger than 1023 codepoints ** using this format. */ static const unsigned int aEntry[] = { @@ -180096,46 +185200,46 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeIsalnum(int c){ */ static int remove_diacritic(int c, int bComplex){ unsigned short aDia[] = { - 0, 1797, 1848, 1859, 1891, 1928, 1940, 1995, - 2024, 2040, 2060, 2110, 2168, 2206, 2264, 2286, - 2344, 2383, 2472, 2488, 2516, 2596, 2668, 2732, - 2782, 2842, 2894, 2954, 2984, 3000, 3028, 3336, - 3456, 3696, 3712, 3728, 3744, 3766, 3832, 3896, - 3912, 3928, 3944, 3968, 4008, 4040, 4056, 4106, - 4138, 4170, 4202, 4234, 4266, 4296, 4312, 4344, - 4408, 4424, 4442, 4472, 4488, 4504, 6148, 6198, - 6264, 6280, 6360, 6429, 6505, 6529, 61448, 61468, - 61512, 61534, 61592, 61610, 61642, 61672, 61688, 61704, - 61726, 61784, 61800, 61816, 61836, 61880, 61896, 61914, - 61948, 61998, 62062, 62122, 62154, 62184, 62200, 62218, - 62252, 62302, 62364, 62410, 62442, 62478, 62536, 62554, - 62584, 62604, 62640, 62648, 62656, 62664, 62730, 62766, - 62830, 62890, 62924, 62974, 63032, 63050, 63082, 63118, - 63182, 63242, 63274, 63310, 63368, 63390, + 0, 1797, 1848, 1859, 1891, 1928, 1940, 1995, + 2024, 2040, 2060, 2110, 2168, 2206, 2264, 2286, + 2344, 2383, 2472, 2488, 2516, 2596, 2668, 2732, + 2782, 2842, 2894, 2954, 2984, 3000, 3028, 3336, + 3456, 3696, 3712, 3728, 3744, 3766, 3832, 3896, + 3912, 3928, 3944, 3968, 4008, 4040, 4056, 4106, + 4138, 4170, 4202, 4234, 4266, 4296, 4312, 4344, + 4408, 4424, 4442, 4472, 4488, 4504, 6148, 6198, + 6264, 6280, 6360, 6429, 6505, 6529, 61448, 61468, + 61512, 61534, 61592, 61610, 61642, 61672, 61688, 61704, + 61726, 61784, 61800, 61816, 61836, 61880, 61896, 61914, + 61948, 61998, 62062, 62122, 62154, 62184, 62200, 62218, + 62252, 62302, 62364, 62410, 62442, 62478, 62536, 62554, + 62584, 62604, 62640, 62648, 62656, 62664, 62730, 62766, + 62830, 62890, 62924, 62974, 63032, 63050, 63082, 63118, + 63182, 63242, 63274, 63310, 63368, 63390, }; #define HIBIT ((unsigned char)0x80) unsigned char aChar[] = { - '\0', 'a', 'c', 'e', 'i', 'n', - 'o', 'u', 'y', 'y', 'a', 'c', - 'd', 'e', 'e', 'g', 'h', 'i', - 'j', 'k', 'l', 'n', 'o', 'r', - 's', 't', 'u', 'u', 'w', 'y', - 'z', 'o', 'u', 'a', 'i', 'o', - 'u', 'u'|HIBIT, 'a'|HIBIT, 'g', 'k', 'o', - 'o'|HIBIT, 'j', 'g', 'n', 'a'|HIBIT, 'a', - 'e', 'i', 'o', 'r', 'u', 's', - 't', 'h', 'a', 'e', 'o'|HIBIT, 'o', - 'o'|HIBIT, 'y', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', 'a', 'b', - 'c'|HIBIT, 'd', 'd', 'e'|HIBIT, 'e', 'e'|HIBIT, - 'f', 'g', 'h', 'h', 'i', 'i'|HIBIT, - 'k', 'l', 'l'|HIBIT, 'l', 'm', 'n', - 'o'|HIBIT, 'p', 'r', 'r'|HIBIT, 'r', 's', - 's'|HIBIT, 't', 'u', 'u'|HIBIT, 'v', 'w', - 'w', 'x', 'y', 'z', 'h', 't', - 'w', 'y', 'a', 'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, - 'e', 'e'|HIBIT, 'e'|HIBIT, 'i', 'o', 'o'|HIBIT, - 'o'|HIBIT, 'o'|HIBIT, 'u', 'u'|HIBIT, 'u'|HIBIT, 'y', + '\0', 'a', 'c', 'e', 'i', 'n', + 'o', 'u', 'y', 'y', 'a', 'c', + 'd', 'e', 'e', 'g', 'h', 'i', + 'j', 'k', 'l', 'n', 'o', 'r', + 's', 't', 'u', 'u', 'w', 'y', + 'z', 'o', 'u', 'a', 'i', 'o', + 'u', 'u'|HIBIT, 'a'|HIBIT, 'g', 'k', 'o', + 'o'|HIBIT, 'j', 'g', 'n', 'a'|HIBIT, 'a', + 'e', 'i', 'o', 'r', 'u', 's', + 't', 'h', 'a', 'e', 'o'|HIBIT, 'o', + 'o'|HIBIT, 'y', '\0', '\0', '\0', '\0', + '\0', '\0', '\0', '\0', 'a', 'b', + 'c'|HIBIT, 'd', 'd', 'e'|HIBIT, 'e', 'e'|HIBIT, + 'f', 'g', 'h', 'h', 'i', 'i'|HIBIT, + 'k', 'l', 'l'|HIBIT, 'l', 'm', 'n', + 'o'|HIBIT, 'p', 'r', 'r'|HIBIT, 'r', 's', + 's'|HIBIT, 't', 'u', 'u'|HIBIT, 'v', 'w', + 'w', 'x', 'y', 'z', 'h', 't', + 'w', 'y', 'a', 'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, + 'e', 'e'|HIBIT, 'e'|HIBIT, 'i', 'o', 'o'|HIBIT, + 'o'|HIBIT, 'o'|HIBIT, 'u', 'u'|HIBIT, 'u'|HIBIT, 'y', }; unsigned int key = (((unsigned int)c)<<3) | 0x00000007; @@ -180257,19 +185361,19 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeFold(int c, int eRemoveDiacritic){ {42802, 1, 62}, {42873, 1, 4}, {42877, 76, 1}, {42878, 1, 10}, {42891, 0, 1}, {42893, 74, 1}, {42896, 1, 4}, {42912, 1, 10}, {42922, 72, 1}, - {65313, 14, 26}, + {65313, 14, 26}, }; static const unsigned short aiOff[] = { - 1, 2, 8, 15, 16, 26, 28, 32, - 37, 38, 40, 48, 63, 64, 69, 71, - 79, 80, 116, 202, 203, 205, 206, 207, - 209, 210, 211, 213, 214, 217, 218, 219, - 775, 7264, 10792, 10795, 23228, 23256, 30204, 54721, - 54753, 54754, 54756, 54787, 54793, 54809, 57153, 57274, - 57921, 58019, 58363, 61722, 65268, 65341, 65373, 65406, - 65408, 65410, 65415, 65424, 65436, 65439, 65450, 65462, - 65472, 65476, 65478, 65480, 65482, 65488, 65506, 65511, - 65514, 65521, 65527, 65528, 65529, + 1, 2, 8, 15, 16, 26, 28, 32, + 37, 38, 40, 48, 63, 64, 69, 71, + 79, 80, 116, 202, 203, 205, 206, 207, + 209, 210, 211, 213, 214, 217, 218, 219, + 775, 7264, 10792, 10795, 23228, 23256, 30204, 54721, + 54753, 54754, 54756, 54787, 54793, 54809, 57153, 57274, + 57921, 58019, 58363, 61722, 65268, 65341, 65373, 65406, + 65408, 65410, 65415, 65424, 65436, 65439, 65450, 65462, + 65472, 65476, 65478, 65480, 65482, 65488, 65506, 65511, + 65514, 65521, 65527, 65528, 65529, }; int ret = c; @@ -180307,7 +185411,7 @@ SQLITE_PRIVATE int sqlite3FtsUnicodeFold(int c, int eRemoveDiacritic){ ret = remove_diacritic(ret, eRemoveDiacritic==2); } } - + else if( c>=66560 && c<66600 ){ ret = c + 40; } @@ -180363,6 +185467,10 @@ SQLITE_EXTENSION_INIT1 # define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64) #endif +#ifndef deliberate_fall_through +# define deliberate_fall_through +#endif + /* ** Versions of isspace(), isalnum() and isdigit() to which it is safe ** to pass signed char values. @@ -180536,7 +185644,7 @@ static void jsonReset(JsonString *p){ } -/* Report an out-of-memory (OOM) condition +/* Report an out-of-memory (OOM) condition */ static void jsonOom(JsonString *p){ p->bErr = 1; @@ -180575,6 +185683,7 @@ static int jsonGrow(JsonString *p, u32 N){ /* Append N bytes from zIn onto the end of the JsonString string. */ static void jsonAppendRaw(JsonString *p, const char *zIn, u32 N){ + if( N==0 ) return; if( (N+p->nUsed >= p->nAlloc) && jsonGrow(p,N)!=0 ) return; memcpy(p->zBuf+p->nUsed, zIn, N); p->nUsed += N; @@ -180653,7 +185762,7 @@ static void jsonAppendString(JsonString *p, const char *zIn, u32 N){ } /* -** Append a function parameter value to the JSON string under +** Append a function parameter value to the JSON string under ** construction. */ static void jsonAppendValue( @@ -180698,7 +185807,7 @@ static void jsonAppendValue( */ static void jsonResult(JsonString *p){ if( p->bErr==0 ){ - sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, + sqlite3_result_text64(p->pCtx, p->zBuf, p->nUsed, p->bStatic ? SQLITE_TRANSIENT : sqlite3_free, SQLITE_UTF8); jsonZero(p); @@ -180780,7 +185889,7 @@ static void jsonRenderNode( jsonAppendString(pOut, pNode->u.zJContent, pNode->n); break; } - /* Fall through into the next case */ + /* no break */ deliberate_fall_through } case JSON_REAL: case JSON_INT: { @@ -180844,6 +185953,37 @@ static void jsonReturnJson( } /* +** Translate a single byte of Hex into an integer. +** This routine only works if h really is a valid hexadecimal +** character: 0..9a..fA..F +*/ +static u8 jsonHexToInt(int h){ + assert( (h>='0' && h<='9') || (h>='a' && h<='f') || (h>='A' && h<='F') ); +#ifdef SQLITE_EBCDIC + h += 9*(1&~(h>>4)); +#else + h += 9*(1&(h>>6)); +#endif + return (u8)(h & 0xf); +} + +/* +** Convert a 4-byte hex string into an integer +*/ +static u32 jsonHexToInt4(const char *z){ + u32 v; + assert( safe_isxdigit(z[0]) ); + assert( safe_isxdigit(z[1]) ); + assert( safe_isxdigit(z[2]) ); + assert( safe_isxdigit(z[3]) ); + v = (jsonHexToInt(z[0])<<12) + + (jsonHexToInt(z[1])<<8) + + (jsonHexToInt(z[2])<<4) + + jsonHexToInt(z[3]); + return v; +} + +/* ** Make the JsonNode the return value of the function. */ static void jsonReturn( @@ -180890,7 +186030,7 @@ static void jsonReturn( sqlite3_result_int64(pCtx, i); int_done: break; - int_as_real: /* fall through to real */; + int_as_real: i=0; /* no break */ deliberate_fall_through } case JSON_REAL: { double r; @@ -180910,7 +186050,7 @@ static void jsonReturn( if( pNode->jnFlags & JNODE_RAW ){ sqlite3_result_text(pCtx, pNode->u.zJContent, pNode->n, SQLITE_TRANSIENT); - }else + }else #endif assert( (pNode->jnFlags & JNODE_RAW)==0 ); if( (pNode->jnFlags & JNODE_ESCAPE)==0 ){ @@ -180936,15 +186076,8 @@ static void jsonReturn( }else{ c = z[++i]; if( c=='u' ){ - u32 v = 0, k; - for(k=0; k<4; i++, k++){ - assert( i<n-2 ); - c = z[i+1]; - assert( safe_isxdigit(c) ); - if( c<='9' ) v = v*16 + c - '0'; - else if( c<='F' ) v = v*16 + c - 'A' + 10; - else v = v*16 + c - 'a' + 10; - } + u32 v = jsonHexToInt4(z+i+1); + i += 4; if( v==0 ) break; if( v<=0x7f ){ zOut[j++] = (char)v; @@ -180952,9 +186085,25 @@ static void jsonReturn( zOut[j++] = (char)(0xc0 | (v>>6)); zOut[j++] = 0x80 | (v&0x3f); }else{ - zOut[j++] = (char)(0xe0 | (v>>12)); - zOut[j++] = 0x80 | ((v>>6)&0x3f); - zOut[j++] = 0x80 | (v&0x3f); + u32 vlo; + if( (v&0xfc00)==0xd800 + && i<n-6 + && z[i+1]=='\\' + && z[i+2]=='u' + && ((vlo = jsonHexToInt4(z+i+3))&0xfc00)==0xdc00 + ){ + /* We have a surrogate pair */ + v = ((v&0x3ff)<<10) + (vlo&0x3ff) + 0x10000; + i += 6; + zOut[j++] = 0xf0 | (v>>18); + zOut[j++] = 0x80 | ((v>>12)&0x3f); + zOut[j++] = 0x80 | ((v>>6)&0x3f); + zOut[j++] = 0x80 | (v&0x3f); + }else{ + zOut[j++] = 0xe0 | (v>>12); + zOut[j++] = 0x80 | ((v>>6)&0x3f); + zOut[j++] = 0x80 | (v&0x3f); + } } }else{ if( c=='b' ){ @@ -181457,18 +186606,49 @@ static JsonNode *jsonLookupStep( } return pNode; } - }else if( zPath[0]=='[' && safe_isdigit(zPath[1]) ){ - if( pRoot->eType!=JSON_ARRAY ) return 0; + }else if( zPath[0]=='[' ){ i = 0; j = 1; while( safe_isdigit(zPath[j]) ){ i = i*10 + zPath[j] - '0'; j++; } - if( zPath[j]!=']' ){ - *pzErr = zPath; - return 0; + if( j<2 || zPath[j]!=']' ){ + if( zPath[1]=='#' ){ + JsonNode *pBase = pRoot; + int iBase = iRoot; + if( pRoot->eType!=JSON_ARRAY ) return 0; + for(;;){ + while( j<=pBase->n ){ + if( (pBase[j].jnFlags & JNODE_REMOVE)==0 ) i++; + j += jsonNodeSize(&pBase[j]); + } + if( (pBase->jnFlags & JNODE_APPEND)==0 ) break; + iBase += pBase->u.iAppend; + pBase = &pParse->aNode[iBase]; + j = 1; + } + j = 2; + if( zPath[2]=='-' && safe_isdigit(zPath[3]) ){ + unsigned int x = 0; + j = 3; + do{ + x = x*10 + zPath[j] - '0'; + j++; + }while( safe_isdigit(zPath[j]) ); + if( x>i ) return 0; + i -= x; + } + if( zPath[j]!=']' ){ + *pzErr = zPath; + return 0; + } + }else{ + *pzErr = zPath; + return 0; + } } + if( pRoot->eType!=JSON_ARRAY ) return 0; zPath += j + 1; j = 1; for(;;){ @@ -181591,7 +186771,7 @@ static void jsonWrongNumArgs( char *zMsg = sqlite3_mprintf("json_%s() needs an odd number of arguments", zFuncName); sqlite3_result_error(pCtx, zMsg, -1); - sqlite3_free(zMsg); + sqlite3_free(zMsg); } /* @@ -181678,7 +186858,7 @@ static void jsonTest1Func( /* ** Implementation of the json_QUOTE(VALUE) function. Return a JSON value -** corresponding to the SQL value input. Mostly this means putting +** corresponding to the SQL value input. Mostly this means putting ** double-quotes around strings and returning the unquoted string "null" ** when given a NULL input. */ @@ -181725,7 +186905,7 @@ static void jsonArrayFunc( ** json_array_length(JSON) ** json_array_length(JSON, PATH) ** -** Return the number of elements in the top-level JSON array. +** Return the number of elements in the top-level JSON array. ** Return 0 if the input is not a well-formed JSON array. */ static void jsonArrayLengthFunc( @@ -182218,7 +187398,7 @@ static void jsonGroupInverse( if( c=='}' || c==']' ) nNest--; } } - pStr->nUsed -= i; + pStr->nUsed -= i; memmove(&z[1], &z[i+1], (size_t)pStr->nUsed-1); } #else @@ -182334,13 +187514,14 @@ static int jsonEachConnect( UNUSED_PARAM(argv); UNUSED_PARAM(argc); UNUSED_PARAM(pAux); - rc = sqlite3_declare_vtab(db, + rc = sqlite3_declare_vtab(db, "CREATE TABLE x(key,value,type,atom,id,parent,fullkey,path," "json HIDDEN,root HIDDEN)"); if( rc==SQLITE_OK ){ pNew = *ppVtab = sqlite3_malloc( sizeof(*pNew) ); if( pNew==0 ) return SQLITE_NOMEM; memset(pNew, 0, sizeof(*pNew)); + sqlite3_vtab_config(db, SQLITE_VTAB_INNOCUOUS); } return rc; } @@ -182512,7 +187693,7 @@ static int jsonEachColumn( break; } case JEACH_ID: { - sqlite3_result_int64(ctx, + sqlite3_result_int64(ctx, (sqlite3_int64)p->i + ((pThis->jnFlags & JNODE_LABEL)!=0)); break; } @@ -182552,6 +187733,7 @@ static int jsonEachColumn( } /* For json_each() path and root are the same so fall through ** into the root case */ + /* no break */ deliberate_fall_through } default: { const char *zRoot = p->zRoot; @@ -182831,16 +188013,19 @@ SQLITE_PRIVATE int sqlite3Json1Init(sqlite3 *db){ { "json_tree", &jsonTreeModule }, }; #endif + static const int enc = + SQLITE_UTF8 | + SQLITE_DETERMINISTIC | + SQLITE_INNOCUOUS; for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){ - rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg, - SQLITE_UTF8 | SQLITE_DETERMINISTIC, + rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg, enc, (void*)&aFunc[i].flag, aFunc[i].xFunc, 0, 0); } #ifndef SQLITE_OMIT_WINDOWFUNC for(i=0; i<sizeof(aAgg)/sizeof(aAgg[0]) && rc==SQLITE_OK; i++){ rc = sqlite3_create_window_function(db, aAgg[i].zName, aAgg[i].nArg, - SQLITE_SUBTYPE | SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0, + SQLITE_SUBTYPE | enc, 0, aAgg[i].xStep, aAgg[i].xFinal, aAgg[i].xValue, jsonGroupInverse, 0); } @@ -182859,8 +188044,8 @@ SQLITE_PRIVATE int sqlite3Json1Init(sqlite3 *db){ __declspec(dllexport) #endif SQLITE_API int sqlite3_json_init( - sqlite3 *db, - char **pzErrMsg, + sqlite3 *db, + char **pzErrMsg, const sqlite3_api_routines *pApi ){ SQLITE_EXTENSION_INIT2(pApi); @@ -182891,7 +188076,7 @@ SQLITE_API int sqlite3_json_init( ** Database Format of R-Tree Tables ** -------------------------------- ** -** The data structure for a single virtual r-tree table is stored in three +** The data structure for a single virtual r-tree table is stored in three ** native SQLite tables declared as follows. In each case, the '%' character ** in the table name is replaced with the user-supplied name of the r-tree ** table. @@ -182917,7 +188102,7 @@ SQLITE_API int sqlite3_json_init( ** of the node contain the tree depth as a big-endian integer. ** For non-root nodes, the first 2 bytes are left unused. ** -** 2. The next 2 bytes contain the number of entries currently +** 2. The next 2 bytes contain the number of entries currently ** stored in the node. ** ** 3. The remainder of the node contains the node entries. Each entry @@ -182936,6 +188121,7 @@ SQLITE_API int sqlite3_json_init( #else /* #include "sqlite3.h" */ #endif +SQLITE_PRIVATE int sqlite3GetToken(const unsigned char*,int*); /* In the SQLite core */ #ifndef SQLITE_AMALGAMATION #include "sqlite3rtree.h" @@ -182955,6 +188141,7 @@ typedef unsigned int u32; /* #include <string.h> */ /* #include <stdio.h> */ /* #include <assert.h> */ +/* #include <stdlib.h> */ /* The following macro is used to suppress compiler warnings. */ @@ -182979,7 +188166,7 @@ typedef struct RtreeSearchPoint RtreeSearchPoint; #define RTREE_MAX_AUX_COLUMN 100 /* Size of hash table Rtree.aHash. This hash table is not expected to -** ever contain very many entries, so a fixed number of buckets is +** ever contain very many entries, so a fixed number of buckets is ** used. */ #define HASHSIZE 97 @@ -182988,13 +188175,13 @@ typedef struct RtreeSearchPoint RtreeSearchPoint; ** the number of rows in the virtual table to calculate the costs of ** various strategies. If possible, this estimate is loaded from the ** sqlite_stat1 table (with RTREE_MIN_ROWEST as a hard-coded minimum). -** Otherwise, if no sqlite_stat1 entry is available, use +** Otherwise, if no sqlite_stat1 entry is available, use ** RTREE_DEFAULT_ROWEST. */ #define RTREE_DEFAULT_ROWEST 1048576 #define RTREE_MIN_ROWEST 100 -/* +/* ** An rtree virtual-table object. */ struct Rtree { @@ -183013,7 +188200,7 @@ struct Rtree { #endif int iDepth; /* Current depth of the r-tree structure */ char *zDb; /* Name of database containing r-tree table */ - char *zName; /* Name of r-tree table */ + char *zName; /* Name of r-tree table */ u32 nBusy; /* Current number of users of this structure */ i64 nRowEst; /* Estimated number of rows in this table */ u32 nCursor; /* Number of open cursors */ @@ -183022,7 +188209,7 @@ struct Rtree { /* List of nodes removed during a CondenseTree operation. List is ** linked together via the pointer normally used for hash chains - - ** RtreeNode.pNext. RtreeNode.iNode stores the depth of the sub-tree + ** RtreeNode.pNext. RtreeNode.iNode stores the depth of the sub-tree ** headed by the node (leaf nodes have RtreeNode.iNode==0). */ RtreeNode *pDeleted; @@ -183048,7 +188235,7 @@ struct Rtree { /* Statement for writing to the "aux:" fields, if there are any */ sqlite3_stmt *pWriteAux; - RtreeNode *aHash[HASHSIZE]; /* Hash table of in-memory nodes. */ + RtreeNode *aHash[HASHSIZE]; /* Hash table of in-memory nodes. */ }; /* Possible values for Rtree.eCoordType: */ @@ -183097,7 +188284,7 @@ struct RtreeSearchPoint { }; /* -** The minimum number of cells allowed for a node is a third of the +** The minimum number of cells allowed for a node is a third of the ** maximum. In Gutman's notation: ** ** m = M/3 @@ -183112,7 +188299,7 @@ struct RtreeSearchPoint { /* ** The smallest possible node-size is (512-64)==448 bytes. And the largest ** supported cell size is 48 bytes (8 byte rowid + ten 4 byte coordinates). -** Therefore all non-root nodes must contain at least 3 entries. Since +** Therefore all non-root nodes must contain at least 3 entries. Since ** 3^40 is greater than 2^64, an r-tree structure always has a depth of ** 40 or less. */ @@ -183126,7 +188313,7 @@ struct RtreeSearchPoint { */ #define RTREE_CACHE_SZ 5 -/* +/* ** An rtree cursor object. */ struct RtreeCursor { @@ -183199,8 +188386,14 @@ struct RtreeConstraint { #define RTREE_MATCH 0x46 /* F: Old-style sqlite3_rtree_geometry_callback() */ #define RTREE_QUERY 0x47 /* G: New-style sqlite3_rtree_query_callback() */ +/* Special operators available only on cursors. Needs to be consecutive +** with the normal values above, but must be less than RTREE_MATCH. These +** are used in the cursor for contraints such as x=NULL (RTREE_FALSE) or +** x<'xyz' (RTREE_TRUE) */ +#define RTREE_TRUE 0x3f /* ? */ +#define RTREE_FALSE 0x40 /* @ */ -/* +/* ** An rtree structure node. */ struct RtreeNode { @@ -183215,7 +188408,7 @@ struct RtreeNode { /* Return the number of cells in a node */ #define NCELL(pNode) readInt16(&(pNode)->zData[2]) -/* +/* ** A single cell from a node, deserialized */ struct RtreeCell { @@ -183230,11 +188423,11 @@ struct RtreeCell { ** sqlite3_rtree_query_callback() and which appear on the right of MATCH ** operators in order to constrain a search. ** -** xGeom and xQueryFunc are the callback functions. Exactly one of +** xGeom and xQueryFunc are the callback functions. Exactly one of ** xGeom and xQueryFunc fields is non-NULL, depending on whether the ** SQL function was created using sqlite3_rtree_geometry_callback() or ** sqlite3_rtree_query_callback(). -** +** ** This object is deleted automatically by the destructor mechanism in ** sqlite3_create_function_v2(). */ @@ -183287,6 +188480,23 @@ struct RtreeMatchArg { #endif /* +** Make sure that the compiler intrinsics we desire are enabled when +** compiling with an appropriate version of MSVC unless prevented by +** the SQLITE_DISABLE_INTRINSIC define. +*/ +#if !defined(SQLITE_DISABLE_INTRINSIC) +# if defined(_MSC_VER) && _MSC_VER>=1400 +# if !defined(_WIN32_WCE) +/* # include <intrin.h> */ +# pragma intrinsic(_byteswap_ulong) +# pragma intrinsic(_byteswap_uint64) +# else +/* # include <cmnintrin.h> */ +# endif +# endif +#endif + +/* ** Macros to determine whether the machine is big or little endian, ** and whether or not that determination is run-time or compile-time. ** @@ -183335,9 +188545,9 @@ static void readCoord(u8 *p, RtreeCoord *pCoord){ pCoord->u = *(u32*)p; #else pCoord->u = ( - (((u32)p[0]) << 24) + - (((u32)p[1]) << 16) + - (((u32)p[2]) << 8) + + (((u32)p[0]) << 24) + + (((u32)p[1]) << 16) + + (((u32)p[2]) << 8) + (((u32)p[3]) << 0) ); #endif @@ -183357,13 +188567,13 @@ static i64 readInt64(u8 *p){ return x; #else return (i64)( - (((u64)p[0]) << 56) + - (((u64)p[1]) << 48) + - (((u64)p[2]) << 40) + - (((u64)p[3]) << 32) + - (((u64)p[4]) << 24) + - (((u64)p[5]) << 16) + - (((u64)p[6]) << 8) + + (((u64)p[0]) << 56) + + (((u64)p[1]) << 48) + + (((u64)p[2]) << 40) + + (((u64)p[3]) << 32) + + (((u64)p[4]) << 24) + + (((u64)p[5]) << 16) + + (((u64)p[6]) << 8) + (((u64)p[7]) << 0) ); #endif @@ -183617,7 +188827,7 @@ static int nodeAcquire( } /* If no error has occurred so far, check if the "number of entries" - ** field on the node is too large. If so, set the return code to + ** field on the node is too large. If so, set the return code to ** SQLITE_CORRUPT_VTAB. */ if( pNode && rc==SQLITE_OK ){ @@ -183816,7 +189026,7 @@ static int rtreeInit( sqlite3 *, void *, int, const char *const*, sqlite3_vtab **, char **, int ); -/* +/* ** Rtree virtual table module xCreate method. */ static int rtreeCreate( @@ -183829,7 +189039,7 @@ static int rtreeCreate( return rtreeInit(db, pAux, argc, argv, ppVtab, pzErr, 1); } -/* +/* ** Rtree virtual table module xConnect method. */ static int rtreeConnect( @@ -183874,7 +189084,7 @@ static void rtreeRelease(Rtree *pRtree){ } } -/* +/* ** Rtree virtual table module xDisconnect method. */ static int rtreeDisconnect(sqlite3_vtab *pVtab){ @@ -183882,7 +189092,7 @@ static int rtreeDisconnect(sqlite3_vtab *pVtab){ return SQLITE_OK; } -/* +/* ** Rtree virtual table module xDestroy method. */ static int rtreeDestroy(sqlite3_vtab *pVtab){ @@ -183892,7 +189102,7 @@ static int rtreeDestroy(sqlite3_vtab *pVtab){ "DROP TABLE '%q'.'%q_node';" "DROP TABLE '%q'.'%q_rowid';" "DROP TABLE '%q'.'%q_parent';", - pRtree->zDb, pRtree->zName, + pRtree->zDb, pRtree->zName, pRtree->zDb, pRtree->zName, pRtree->zDb, pRtree->zName ); @@ -183910,7 +189120,7 @@ static int rtreeDestroy(sqlite3_vtab *pVtab){ return rc; } -/* +/* ** Rtree virtual table module xOpen method. */ static int rtreeOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){ @@ -183932,9 +189142,12 @@ static int rtreeOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){ /* -** Free the RtreeCursor.aConstraint[] array and its contents. +** Reset a cursor back to its initial state. */ -static void freeCursorConstraints(RtreeCursor *pCsr){ +static void resetCursor(RtreeCursor *pCsr){ + Rtree *pRtree = (Rtree *)(pCsr->base.pVtab); + int ii; + sqlite3_stmt *pStmt; if( pCsr->aConstraint ){ int i; /* Used to iterate through constraint array */ for(i=0; i<pCsr->nConstraint; i++){ @@ -183947,20 +189160,24 @@ static void freeCursorConstraints(RtreeCursor *pCsr){ sqlite3_free(pCsr->aConstraint); pCsr->aConstraint = 0; } + for(ii=0; ii<RTREE_CACHE_SZ; ii++) nodeRelease(pRtree, pCsr->aNode[ii]); + sqlite3_free(pCsr->aPoint); + pStmt = pCsr->pReadAux; + memset(pCsr, 0, sizeof(RtreeCursor)); + pCsr->base.pVtab = (sqlite3_vtab*)pRtree; + pCsr->pReadAux = pStmt; + } -/* +/* ** Rtree virtual table module xClose method. */ static int rtreeClose(sqlite3_vtab_cursor *cur){ Rtree *pRtree = (Rtree *)(cur->pVtab); - int ii; RtreeCursor *pCsr = (RtreeCursor *)cur; assert( pRtree->nCursor>0 ); - freeCursorConstraints(pCsr); + resetCursor(pCsr); sqlite3_finalize(pCsr->pReadAux); - sqlite3_free(pCsr->aPoint); - for(ii=0; ii<RTREE_CACHE_SZ; ii++) nodeRelease(pRtree, pCsr->aNode[ii]); sqlite3_free(pCsr); pRtree->nCursor--; nodeBlobReset(pRtree); @@ -183970,7 +189187,7 @@ static int rtreeClose(sqlite3_vtab_cursor *cur){ /* ** Rtree virtual table module xEof method. ** -** Return non-zero if the cursor does not currently point to a valid +** Return non-zero if the cursor does not currently point to a valid ** record (i.e if the scan has finished), or zero otherwise. */ static int rtreeEof(sqlite3_vtab_cursor *cur){ @@ -184026,7 +189243,7 @@ static int rtreeEof(sqlite3_vtab_cursor *cur){ /* ** Check the RTree node or entry given by pCellData and p against the MATCH -** constraint pConstraint. +** constraint pConstraint. */ static int rtreeCallbackConstraint( RtreeConstraint *pConstraint, /* The constraint to test */ @@ -184099,7 +189316,7 @@ static int rtreeCallbackConstraint( return rc; } -/* +/* ** Check the internal RTree node given by pCellData against constraint p. ** If this constraint cannot be satisfied by any child within the node, ** set *peWithin to NOT_WITHIN. @@ -184117,10 +189334,13 @@ static void rtreeNonleafConstraint( */ pCellData += 8 + 4*(p->iCoord&0xfe); - assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE - || p->op==RTREE_GT || p->op==RTREE_EQ ); + assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE + || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE + || p->op==RTREE_FALSE ); assert( ((((char*)pCellData) - (char*)0)&3)==0 ); /* 4-byte aligned */ switch( p->op ){ + case RTREE_TRUE: return; /* Always satisfied */ + case RTREE_FALSE: break; /* Never satisfied */ case RTREE_LE: case RTREE_LT: case RTREE_EQ: @@ -184157,28 +189377,31 @@ static void rtreeLeafConstraint( ){ RtreeDValue xN; /* Coordinate value converted to a double */ - assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE - || p->op==RTREE_GT || p->op==RTREE_EQ ); + assert(p->op==RTREE_LE || p->op==RTREE_LT || p->op==RTREE_GE + || p->op==RTREE_GT || p->op==RTREE_EQ || p->op==RTREE_TRUE + || p->op==RTREE_FALSE ); pCellData += 8 + p->iCoord*4; assert( ((((char*)pCellData) - (char*)0)&3)==0 ); /* 4-byte aligned */ RTREE_DECODE_COORD(eInt, pCellData, xN); switch( p->op ){ - case RTREE_LE: if( xN <= p->u.rValue ) return; break; - case RTREE_LT: if( xN < p->u.rValue ) return; break; - case RTREE_GE: if( xN >= p->u.rValue ) return; break; - case RTREE_GT: if( xN > p->u.rValue ) return; break; - default: if( xN == p->u.rValue ) return; break; + case RTREE_TRUE: return; /* Always satisfied */ + case RTREE_FALSE: break; /* Never satisfied */ + case RTREE_LE: if( xN <= p->u.rValue ) return; break; + case RTREE_LT: if( xN < p->u.rValue ) return; break; + case RTREE_GE: if( xN >= p->u.rValue ) return; break; + case RTREE_GT: if( xN > p->u.rValue ) return; break; + default: if( xN == p->u.rValue ) return; break; } *peWithin = NOT_WITHIN; } /* -** One of the cells in node pNode is guaranteed to have a 64-bit +** One of the cells in node pNode is guaranteed to have a 64-bit ** integer value equal to iRowid. Return the index of this cell. */ static int nodeRowidIndex( - Rtree *pRtree, - RtreeNode *pNode, + Rtree *pRtree, + RtreeNode *pNode, i64 iRowid, int *piIndex ){ @@ -184320,7 +189543,7 @@ static RtreeSearchPoint *rtreeSearchPointNew( pFirst = rtreeSearchPointFirst(pCur); pCur->anQueue[iLevel]++; if( pFirst==0 - || pFirst->rScore>rScore + || pFirst->rScore>rScore || (pFirst->rScore==rScore && pFirst->iLevel>iLevel) ){ if( pCur->bPoint ){ @@ -184504,7 +189727,7 @@ static int rtreeStepToLeaf(RtreeCursor *pCur){ return SQLITE_OK; } -/* +/* ** Rtree virtual table module xNext method. */ static int rtreeNext(sqlite3_vtab_cursor *pVtabCursor){ @@ -184522,7 +189745,7 @@ static int rtreeNext(sqlite3_vtab_cursor *pVtabCursor){ return rc; } -/* +/* ** Rtree virtual table module xRowid method. */ static int rtreeRowid(sqlite3_vtab_cursor *pVtabCursor, sqlite_int64 *pRowid){ @@ -184536,7 +189759,7 @@ static int rtreeRowid(sqlite3_vtab_cursor *pVtabCursor, sqlite_int64 *pRowid){ return rc; } -/* +/* ** Rtree virtual table module xColumn method. */ static int rtreeColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ @@ -184569,7 +189792,7 @@ static int rtreeColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ &pCsr->pReadAux, 0); if( rc ) return rc; } - sqlite3_bind_int64(pCsr->pReadAux, 1, + sqlite3_bind_int64(pCsr->pReadAux, 1, nodeGetRowid(pRtree, pNode, p->iCell)); rc = sqlite3_step(pCsr->pReadAux); if( rc==SQLITE_ROW ){ @@ -184582,12 +189805,12 @@ static int rtreeColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ } sqlite3_result_value(ctx, sqlite3_column_value(pCsr->pReadAux, i - pRtree->nDim2 + 1)); - } + } return SQLITE_OK; } -/* -** Use nodeAcquire() to obtain the leaf node containing the record with +/* +** Use nodeAcquire() to obtain the leaf node containing the record with ** rowid iRowid. If successful, set *ppLeaf to point to the node and ** return SQLITE_OK. If there is no such record in the table, set ** *ppLeaf to 0 and return SQLITE_OK. If an error occurs, set *ppLeaf @@ -184646,11 +189869,11 @@ static int deserializeGeometry(sqlite3_value *pValue, RtreeConstraint *pCons){ return SQLITE_OK; } -/* +/* ** Rtree virtual table module xFilter method. */ static int rtreeFilter( - sqlite3_vtab_cursor *pVtabCursor, + sqlite3_vtab_cursor *pVtabCursor, int idxNum, const char *idxStr, int argc, sqlite3_value **argv ){ @@ -184660,17 +189883,11 @@ static int rtreeFilter( int ii; int rc = SQLITE_OK; int iCell = 0; - sqlite3_stmt *pStmt; rtreeReference(pRtree); /* Reset the cursor to the same state as rtreeOpen() leaves it in. */ - freeCursorConstraints(pCsr); - sqlite3_free(pCsr->aPoint); - pStmt = pCsr->pReadAux; - memset(pCsr, 0, sizeof(RtreeCursor)); - pCsr->base.pVtab = (sqlite3_vtab*)pRtree; - pCsr->pReadAux = pStmt; + resetCursor(pCsr); pCsr->iStrategy = idxNum; if( idxNum==1 ){ @@ -184679,7 +189896,15 @@ static int rtreeFilter( RtreeSearchPoint *p; /* Search point for the leaf */ i64 iRowid = sqlite3_value_int64(argv[0]); i64 iNode = 0; - rc = findLeafNode(pRtree, iRowid, &pLeaf, &iNode); + int eType = sqlite3_value_numeric_type(argv[0]); + if( eType==SQLITE_INTEGER + || (eType==SQLITE_FLOAT && sqlite3_value_double(argv[0])==iRowid) + ){ + rc = findLeafNode(pRtree, iRowid, &pLeaf, &iNode); + }else{ + rc = SQLITE_OK; + pLeaf = 0; + } if( rc==SQLITE_OK && pLeaf!=0 ){ p = rtreeSearchPointNew(pCsr, RTREE_ZERO, 0); assert( p!=0 ); /* Always returns pCsr->sPoint */ @@ -184693,8 +189918,8 @@ static int rtreeFilter( pCsr->atEOF = 1; } }else{ - /* Normal case - r-tree scan. Set up the RtreeCursor.aConstraint array - ** with the configured constraints. + /* Normal case - r-tree scan. Set up the RtreeCursor.aConstraint array + ** with the configured constraints. */ rc = nodeAcquire(pRtree, 1, 0, &pRoot); if( rc==SQLITE_OK && argc>0 ){ @@ -184709,6 +189934,7 @@ static int rtreeFilter( || (idxStr && (int)strlen(idxStr)==argc*2) ); for(ii=0; ii<argc; ii++){ RtreeConstraint *p = &pCsr->aConstraint[ii]; + int eType = sqlite3_value_numeric_type(argv[ii]); p->op = idxStr[ii*2]; p->iCoord = idxStr[ii*2+1]-'0'; if( p->op>=RTREE_MATCH ){ @@ -184723,12 +189949,21 @@ static int rtreeFilter( p->pInfo->nCoord = pRtree->nDim2; p->pInfo->anQueue = pCsr->anQueue; p->pInfo->mxLevel = pRtree->iDepth + 1; - }else{ + }else if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){ #ifdef SQLITE_RTREE_INT_ONLY p->u.rValue = sqlite3_value_int64(argv[ii]); #else p->u.rValue = sqlite3_value_double(argv[ii]); #endif + }else{ + p->u.rValue = RTREE_ZERO; + if( eType==SQLITE_NULL ){ + p->op = RTREE_FALSE; + }else if( p->op==RTREE_LT || p->op==RTREE_LE ){ + p->op = RTREE_TRUE; + }else{ + p->op = RTREE_FALSE; + } } } } @@ -184755,7 +189990,7 @@ static int rtreeFilter( /* ** Rtree virtual table module xBestIndex method. There are three -** table scan strategies to choose from (in order from most to +** table scan strategies to choose from (in order from most to ** least desirable): ** ** idxNum idxStr Strategy @@ -184765,8 +190000,8 @@ static int rtreeFilter( ** ------------------------------------------------ ** ** If strategy 1 is used, then idxStr is not meaningful. If strategy -** 2 is used, idxStr is formatted to contain 2 bytes for each -** constraint used. The first two bytes of idxStr correspond to +** 2 is used, idxStr is formatted to contain 2 bytes for each +** constraint used. The first two bytes of idxStr correspond to ** the constraint in sqlite3_index_info.aConstraintUsage[] with ** (argvIndex==1) etc. ** @@ -184812,8 +190047,8 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ for(ii=0; ii<pIdxInfo->nConstraint && iIdx<(int)(sizeof(zIdxStr)-1); ii++){ struct sqlite3_index_constraint *p = &pIdxInfo->aConstraint[ii]; - if( bMatch==0 && p->usable - && p->iColumn==0 && p->op==SQLITE_INDEX_CONSTRAINT_EQ + if( bMatch==0 && p->usable + && p->iColumn==0 && p->op==SQLITE_INDEX_CONSTRAINT_EQ ){ /* We have an equality constraint on the rowid. Use strategy 1. */ int jj; @@ -184826,11 +190061,11 @@ static int rtreeBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ pIdxInfo->aConstraintUsage[jj].omit = 1; /* This strategy involves a two rowid lookups on an B-Tree structures - ** and then a linear search of an R-Tree node. This should be - ** considered almost as quick as a direct rowid lookup (for which + ** and then a linear search of an R-Tree node. This should be + ** considered almost as quick as a direct rowid lookup (for which ** sqlite uses an internal cost of 0.0). It is expected to return ** a single row. - */ + */ pIdxInfo->estimatedCost = 30.0; pIdxInfo->estimatedRows = 1; pIdxInfo->idxFlags = SQLITE_INDEX_SCAN_UNIQUE; @@ -184946,8 +190181,8 @@ static int cellContains(Rtree *pRtree, RtreeCell *p1, RtreeCell *p2){ for(ii=0; ii<pRtree->nDim2; ii+=2){ RtreeCoord *a1 = &p1->aCoord[ii]; RtreeCoord *a2 = &p2->aCoord[ii]; - if( (!isInt && (a2[0].f<a1[0].f || a2[1].f>a1[1].f)) - || ( isInt && (a2[0].i<a1[0].i || a2[1].i>a1[1].i)) + if( (!isInt && (a2[0].f<a1[0].f || a2[1].f>a1[1].f)) + || ( isInt && (a2[0].i<a1[0].i || a2[1].i>a1[1].i)) ){ return 0; } @@ -184968,9 +190203,9 @@ static RtreeDValue cellGrowth(Rtree *pRtree, RtreeCell *p, RtreeCell *pCell){ } static RtreeDValue cellOverlap( - Rtree *pRtree, - RtreeCell *p, - RtreeCell *aCell, + Rtree *pRtree, + RtreeCell *p, + RtreeCell *aCell, int nCell ){ int ii; @@ -185081,7 +190316,7 @@ static int AdjustTree( cellUnion(pRtree, &cell, pCell); nodeOverwriteCell(pRtree, pParent, &cell, iCell); } - + p = pParent; } return SQLITE_OK; @@ -185112,7 +190347,7 @@ static int rtreeInsertCell(Rtree *, RtreeNode *, RtreeCell *, int); /* ** Arguments aIdx, aDistance and aSpare all point to arrays of size -** nIdx. The aIdx array contains the set of integers from 0 to +** nIdx. The aIdx array contains the set of integers from 0 to ** (nIdx-1) in no particular order. This function sorts the values ** in aIdx according to the indexed values in aDistance. For ** example, assuming the inputs: @@ -185128,9 +190363,9 @@ static int rtreeInsertCell(Rtree *, RtreeNode *, RtreeCell *, int); ** sorting algorithm. */ static void SortByDistance( - int *aIdx, - int nIdx, - RtreeDValue *aDistance, + int *aIdx, + int nIdx, + RtreeDValue *aDistance, int *aSpare ){ if( nIdx>1 ){ @@ -185184,7 +190419,7 @@ static void SortByDistance( /* ** Arguments aIdx, aCell and aSpare all point to arrays of size -** nIdx. The aIdx array contains the set of integers from 0 to +** nIdx. The aIdx array contains the set of integers from 0 to ** (nIdx-1) in no particular order. This function sorts the values ** in aIdx according to dimension iDim of the cells in aCell. The ** minimum value of dimension iDim is considered first, the @@ -185195,10 +190430,10 @@ static void SortByDistance( */ static void SortByDimension( Rtree *pRtree, - int *aIdx, - int nIdx, - int iDim, - RtreeCell *aCell, + int *aIdx, + int nIdx, + int iDim, + RtreeCell *aCell, int *aSpare ){ if( nIdx>1 ){ @@ -185295,8 +190530,8 @@ static int splitNodeStartree( int nLeft; for( - nLeft=RTREE_MINCELLS(pRtree); - nLeft<=(nCell-RTREE_MINCELLS(pRtree)); + nLeft=RTREE_MINCELLS(pRtree); + nLeft<=(nCell-RTREE_MINCELLS(pRtree)); nLeft++ ){ RtreeCell left; @@ -185351,9 +190586,9 @@ static int splitNodeStartree( static int updateMapping( - Rtree *pRtree, - i64 iRowid, - RtreeNode *pNode, + Rtree *pRtree, + i64 iRowid, + RtreeNode *pNode, int iHeight ){ int (*xSetMapping)(Rtree *, sqlite3_int64, sqlite3_int64); @@ -185389,7 +190624,7 @@ static int SplitNode( RtreeCell leftbbox; RtreeCell rightbbox; - /* Allocate an array and populate it with a copy of pCell and + /* Allocate an array and populate it with a copy of pCell and ** all cells from node pLeft. Then zero the original node. */ aCell = sqlite3_malloc64((sizeof(RtreeCell)+sizeof(int))*(nCell+1)); @@ -185506,14 +190741,14 @@ splitnode_out: } /* -** If node pLeaf is not the root of the r-tree and its pParent pointer is +** If node pLeaf is not the root of the r-tree and its pParent pointer is ** still NULL, load all ancestor nodes of pLeaf into memory and populate ** the pLeaf->pParent chain all the way up to the root node. ** ** This operation is required when a row is deleted (or updated - an update ** is implemented as a delete followed by an insert). SQLite provides the ** rowid of the row to delete, which can be used to find the leaf on which -** the entry resides (argument pLeaf). Once the leaf is located, this +** the entry resides (argument pLeaf). Once the leaf is located, this ** function is called to determine its ancestry. */ static int fixLeafParent(Rtree *pRtree, RtreeNode *pLeaf){ @@ -185587,7 +190822,7 @@ static int removeNode(Rtree *pRtree, RtreeNode *pNode, int iHeight){ if( SQLITE_OK!=(rc = sqlite3_reset(pRtree->pDeleteParent)) ){ return rc; } - + /* Remove the node from the in-memory hash table and link it into ** the Rtree.pDeleted list. Its contents will be re-inserted later on. */ @@ -185602,9 +190837,9 @@ static int removeNode(Rtree *pRtree, RtreeNode *pNode, int iHeight){ static int fixBoundingBox(Rtree *pRtree, RtreeNode *pNode){ RtreeNode *pParent = pNode->pParent; - int rc = SQLITE_OK; + int rc = SQLITE_OK; if( pParent ){ - int ii; + int ii; int nCell = NCELL(pNode); RtreeCell box; /* Bounding box for pNode */ nodeGetCell(pRtree, pNode, 0, &box); @@ -185659,9 +190894,9 @@ static int deleteCell(Rtree *pRtree, RtreeNode *pNode, int iCell, int iHeight){ } static int Reinsert( - Rtree *pRtree, - RtreeNode *pNode, - RtreeCell *pCell, + Rtree *pRtree, + RtreeNode *pNode, + RtreeCell *pCell, int iHeight ){ int *aOrder; @@ -185715,7 +190950,7 @@ static int Reinsert( for(ii=0; ii<nCell; ii++){ aDistance[ii] = RTREE_ZERO; for(iDim=0; iDim<pRtree->nDim; iDim++){ - RtreeDValue coord = (DCOORD(aCell[ii].aCoord[iDim*2+1]) - + RtreeDValue coord = (DCOORD(aCell[ii].aCoord[iDim*2+1]) - DCOORD(aCell[ii].aCoord[iDim*2])); aDistance[ii] += (coord-aCenterCoord[iDim])*(coord-aCenterCoord[iDim]); } @@ -185760,7 +190995,7 @@ static int Reinsert( } /* -** Insert cell pCell into node pNode. Node pNode is the head of a +** Insert cell pCell into node pNode. Node pNode is the head of a ** subtree iHeight high (leaf nodes have iHeight==0). */ static int rtreeInsertCell( @@ -185850,8 +191085,8 @@ static int rtreeDeleteRowid(Rtree *pRtree, sqlite3_int64 iDelete){ /* Obtain a reference to the root node to initialize Rtree.iDepth */ rc = nodeAcquire(pRtree, 1, 0, &pRoot); - /* Obtain a reference to the leaf node that contains the entry - ** about to be deleted. + /* Obtain a reference to the leaf node that contains the entry + ** about to be deleted. */ if( rc==SQLITE_OK ){ rc = findLeafNode(pRtree, iDelete, &pLeaf, 0); @@ -185882,11 +191117,11 @@ static int rtreeDeleteRowid(Rtree *pRtree, sqlite3_int64 iDelete){ } /* Check if the root node now has exactly one child. If so, remove - ** it, schedule the contents of the child for reinsertion and + ** it, schedule the contents of the child for reinsertion and ** reduce the tree height by one. ** ** This is equivalent to copying the contents of the child into - ** the root node (the operation that Gutman's paper says to perform + ** the root node (the operation that Gutman's paper says to perform ** in this scenario). */ if( rc==SQLITE_OK && pRtree->iDepth>0 && NCELL(pRoot)==1 ){ @@ -185956,8 +191191,8 @@ static RtreeValue rtreeValueUp(sqlite3_value *v){ #endif /* !defined(SQLITE_RTREE_INT_ONLY) */ /* -** A constraint has failed while inserting a row into an rtree table. -** Assuming no OOM error occurs, this function sets the error message +** A constraint has failed while inserting a row into an rtree table. +** Assuming no OOM error occurs, this function sets the error message ** (at pRtree->base.zErrMsg) to an appropriate value and returns ** SQLITE_CONSTRAINT. ** @@ -185970,7 +191205,7 @@ static RtreeValue rtreeValueUp(sqlite3_value *v){ */ static int rtreeConstraintError(Rtree *pRtree, int iCol){ sqlite3_stmt *pStmt = 0; - char *zSql; + char *zSql; int rc; assert( iCol==0 || iCol%2 ); @@ -186007,9 +191242,9 @@ static int rtreeConstraintError(Rtree *pRtree, int iCol){ ** The xUpdate method for rtree module virtual tables. */ static int rtreeUpdate( - sqlite3_vtab *pVtab, - int nData, - sqlite3_value **aData, + sqlite3_vtab *pVtab, + int nData, + sqlite3_value **aData, sqlite_int64 *pRowid ){ Rtree *pRtree = (Rtree *)pVtab; @@ -186076,7 +191311,7 @@ static int rtreeUpdate( } } - /* If a rowid value was supplied, check if it is already present in + /* If a rowid value was supplied, check if it is already present in ** the table. If so, the constraint has failed. */ if( sqlite3_value_type(aData[2])!=SQLITE_NULL ){ cell.iRowid = sqlite3_value_int64(aData[2]); @@ -186182,8 +191417,8 @@ static int rtreeRename(sqlite3_vtab *pVtab, const char *zNewName){ "ALTER TABLE %Q.'%q_node' RENAME TO \"%w_node\";" "ALTER TABLE %Q.'%q_parent' RENAME TO \"%w_parent\";" "ALTER TABLE %Q.'%q_rowid' RENAME TO \"%w_rowid\";" - , pRtree->zDb, pRtree->zName, zNewName - , pRtree->zDb, pRtree->zName, zNewName + , pRtree->zDb, pRtree->zName, zNewName + , pRtree->zDb, pRtree->zName, zNewName , pRtree->zDb, pRtree->zName, zNewName ); if( zSql ){ @@ -186198,8 +191433,8 @@ static int rtreeRename(sqlite3_vtab *pVtab, const char *zNewName){ ** The xSavepoint method. ** ** This module does not need to do anything to support savepoints. However, -** it uses this hook to close any open blob handle. This is done because a -** DROP TABLE command - which fortunately always opens a savepoint - cannot +** it uses this hook to close any open blob handle. This is done because a +** DROP TABLE command - which fortunately always opens a savepoint - cannot ** succeed if there are any open blob handles. i.e. if the blob handle were ** not closed here, the following would fail: ** @@ -186306,10 +191541,10 @@ static sqlite3_module rtreeModule = { }; static int rtreeSqlInit( - Rtree *pRtree, - sqlite3 *db, - const char *zDb, - const char *zPrefix, + Rtree *pRtree, + sqlite3 *db, + const char *zDb, + const char *zPrefix, int isCreate ){ int rc = SQLITE_OK; @@ -186389,7 +191624,7 @@ static int rtreeSqlInit( } zSql = sqlite3_mprintf(zFormat, zDb, zPrefix); if( zSql ){ - rc = sqlite3_prepare_v3(db, zSql, -1, f, appStmt[i], 0); + rc = sqlite3_prepare_v3(db, zSql, -1, f, appStmt[i], 0); }else{ rc = SQLITE_NOMEM; } @@ -186419,7 +191654,7 @@ static int rtreeSqlInit( if( zSql==0 ){ rc = SQLITE_NOMEM; }else{ - rc = sqlite3_prepare_v3(db, zSql, -1, f, &pRtree->pWriteAux, 0); + rc = sqlite3_prepare_v3(db, zSql, -1, f, &pRtree->pWriteAux, 0); sqlite3_free(zSql); } } @@ -186460,9 +191695,9 @@ static int getIntFromStmt(sqlite3 *db, const char *zSql, int *piVal){ ** table already exists. In this case the node-size is determined by inspecting ** the root node of the tree. ** -** Otherwise, for an xCreate(), use 64 bytes less than the database page-size. -** This ensures that each node is stored on a single database page. If the -** database page-size is so large that more than RTREE_MAXCELLS entries +** Otherwise, for an xCreate(), use 64 bytes less than the database page-size. +** This ensures that each node is stored on a single database page. If the +** database page-size is so large that more than RTREE_MAXCELLS entries ** would fit in a single node, use a smaller node-size. */ static int getNodeSize( @@ -186505,7 +191740,15 @@ static int getNodeSize( return rc; } -/* +/* +** Return the length of a token +*/ +static int rtreeTokenLength(const char *z){ + int dummy = 0; + return sqlite3GetToken((const unsigned char*)z,&dummy); +} + +/* ** This function is the implementation of both the xConnect and xCreate ** methods of the r-tree virtual table. ** @@ -186541,8 +191784,8 @@ static int rtreeInit( }; assert( RTREE_MAX_AUX_COLUMN<256 ); /* Aux columns counted by a u8 */ - if( argc>RTREE_MAX_AUX_COLUMN+3 ){ - *pzErr = sqlite3_mprintf("%s", aErrMsg[3]); + if( argc<6 || argc>RTREE_MAX_AUX_COLUMN+3 ){ + *pzErr = sqlite3_mprintf("%s", aErrMsg[2 + (argc>=6)]); return SQLITE_ERROR; } @@ -186570,16 +191813,20 @@ static int rtreeInit( ** the r-tree table schema. */ pSql = sqlite3_str_new(db); - sqlite3_str_appendf(pSql, "CREATE TABLE x(%s", argv[3]); + sqlite3_str_appendf(pSql, "CREATE TABLE x(%.*s INT", + rtreeTokenLength(argv[3]), argv[3]); for(ii=4; ii<argc; ii++){ - if( argv[ii][0]=='+' ){ + const char *zArg = argv[ii]; + if( zArg[0]=='+' ){ pRtree->nAux++; - sqlite3_str_appendf(pSql, ",%s", argv[ii]+1); + sqlite3_str_appendf(pSql, ",%.*s", rtreeTokenLength(zArg+1), zArg+1); }else if( pRtree->nAux>0 ){ break; }else{ + static const char *azFormat[] = {",%.*s REAL", ",%.*s INT"}; pRtree->nDim2++; - sqlite3_str_appendf(pSql, ",%s", argv[ii]); + sqlite3_str_appendf(pSql, azFormat[eCoordType], + rtreeTokenLength(zArg), zArg); } } sqlite3_str_appendf(pSql, ");"); @@ -186644,7 +191891,7 @@ rtreeInit_fail: ** ** The human readable string takes the form of a Tcl list with one ** entry for each cell in the r-tree node. Each entry is itself a -** list, containing the 8-byte rowid/pageno followed by the +** list, containing the 8-byte rowid/pageno followed by the ** <num-dimension>*2 coordinates. */ static void rtreenode(sqlite3_context *ctx, int nArg, sqlite3_value **apArg){ @@ -186700,10 +191947,10 @@ static void rtreenode(sqlite3_context *ctx, int nArg, sqlite3_value **apArg){ */ static void rtreedepth(sqlite3_context *ctx, int nArg, sqlite3_value **apArg){ UNUSED_PARAMETER(nArg); - if( sqlite3_value_type(apArg[0])!=SQLITE_BLOB + if( sqlite3_value_type(apArg[0])!=SQLITE_BLOB || sqlite3_value_bytes(apArg[0])<2 ){ - sqlite3_result_error(ctx, "Invalid argument to rtreedepth()", -1); + sqlite3_result_error(ctx, "Invalid argument to rtreedepth()", -1); }else{ u8 *zBlob = (u8 *)sqlite3_value_blob(apArg[0]); sqlite3_result_int(ctx, readInt16(zBlob)); @@ -186786,7 +192033,7 @@ static void rtreeCheckAppendMsg(RtreeCheck *pCheck, const char *zFmt, ...){ if( z==0 ){ pCheck->rc = SQLITE_NOMEM; }else{ - pCheck->zReport = sqlite3_mprintf("%z%s%z", + pCheck->zReport = sqlite3_mprintf("%z%s%z", pCheck->zReport, (pCheck->zReport ? "\n" : ""), z ); if( pCheck->zReport==0 ){ @@ -186817,7 +192064,7 @@ static u8 *rtreeCheckGetNode(RtreeCheck *pCheck, i64 iNode, int *pnNode){ if( pCheck->rc==SQLITE_OK && pCheck->pGetNode==0 ){ pCheck->pGetNode = rtreeCheckPrepare(pCheck, - "SELECT data FROM %Q.'%q_node' WHERE nodeno=?", + "SELECT data FROM %Q.'%q_node' WHERE nodeno=?", pCheck->zDb, pCheck->zTab ); } @@ -186887,7 +192134,7 @@ static void rtreeCheckMapping( }else if( rc==SQLITE_ROW ){ i64 ii = sqlite3_column_int64(pStmt, 0); if( ii!=iVal ){ - rtreeCheckAppendMsg(pCheck, + rtreeCheckAppendMsg(pCheck, "Found (%lld -> %lld) in %s table, expected (%lld -> %lld)", iKey, ii, (bLeaf ? "%_rowid" : "%_parent"), iKey, iVal ); @@ -186903,13 +192150,13 @@ static void rtreeCheckMapping( ** if they are not. ** ** Additionally, if pParent is not NULL, then it is assumed to point to -** the array of coordinates on the parent page that bound the page +** the array of coordinates on the parent page that bound the page ** containing pCell. In this case it is also verified that the two ** sets of coordinates are mutually consistent and an error message added ** to the RtreeCheck object if they are not. */ static void rtreeCheckCellCoord( - RtreeCheck *pCheck, + RtreeCheck *pCheck, i64 iNode, /* Node id to use in error messages */ int iCell, /* Cell number to use in error messages */ u8 *pCell, /* Pointer to cell coordinates */ @@ -186925,7 +192172,7 @@ static void rtreeCheckCellCoord( /* printf("%e, %e\n", c1.u.f, c2.u.f); */ if( pCheck->bInt ? c1.i>c2.i : c1.f>c2.f ){ - rtreeCheckAppendMsg(pCheck, + rtreeCheckAppendMsg(pCheck, "Dimension %d of cell %d on node %lld is corrupt", i, iCell, iNode ); } @@ -186934,10 +192181,10 @@ static void rtreeCheckCellCoord( readCoord(&pParent[4*2*i], &p1); readCoord(&pParent[4*(2*i + 1)], &p2); - if( (pCheck->bInt ? c1.i<p1.i : c1.f<p1.f) + if( (pCheck->bInt ? c1.i<p1.i : c1.f<p1.f) || (pCheck->bInt ? c2.i>p2.i : c2.f>p2.f) ){ - rtreeCheckAppendMsg(pCheck, + rtreeCheckAppendMsg(pCheck, "Dimension %d of cell %d on node %lld is corrupt relative to parent" , i, iCell, iNode ); @@ -186969,7 +192216,7 @@ static void rtreeCheckNode( aNode = rtreeCheckGetNode(pCheck, iNode, &nNode); if( aNode ){ if( nNode<4 ){ - rtreeCheckAppendMsg(pCheck, + rtreeCheckAppendMsg(pCheck, "Node %lld is too small (%d bytes)", iNode, nNode ); }else{ @@ -186985,8 +192232,8 @@ static void rtreeCheckNode( } nCell = readInt16(&aNode[2]); if( (4 + nCell*(8 + pCheck->nDim*2*4))>nNode ){ - rtreeCheckAppendMsg(pCheck, - "Node %lld is too small for cell count of %d (%d bytes)", + rtreeCheckAppendMsg(pCheck, + "Node %lld is too small for cell count of %d (%d bytes)", iNode, nCell, nNode ); }else{ @@ -187129,11 +192376,11 @@ static int rtreeCheckTable( ** b) unless the cell is on the root node, that the cell is bounded ** by the parent cell on the parent node. ** -** c) for leaf nodes, that there is an entry in the %_rowid -** table corresponding to the cell's rowid value that +** c) for leaf nodes, that there is an entry in the %_rowid +** table corresponding to the cell's rowid value that ** points to the correct node. ** -** d) for cells on non-leaf nodes, that there is an entry in the +** d) for cells on non-leaf nodes, that there is an entry in the ** %_parent table mapping from the cell's child node to the ** node that it resides on. ** @@ -187142,17 +192389,17 @@ static int rtreeCheckTable( ** is a leaf cell that corresponds to each entry in the %_rowid table. ** ** 3. That there are the same number of entries in the %_parent table -** as there are non-leaf cells in the r-tree structure, and that -** there is a non-leaf cell that corresponds to each entry in the +** as there are non-leaf cells in the r-tree structure, and that +** there is a non-leaf cell that corresponds to each entry in the ** %_parent table. */ static void rtreecheck( - sqlite3_context *ctx, - int nArg, + sqlite3_context *ctx, + int nArg, sqlite3_value **apArg ){ if( nArg!=1 && nArg!=2 ){ - sqlite3_result_error(ctx, + sqlite3_result_error(ctx, "wrong number of arguments to function rtreecheck()", -1 ); }else{ @@ -187543,7 +192790,7 @@ static void geopolyBlobFunc( ){ GeoPoly *p = geopolyFuncParam(context, argv[0], 0); if( p ){ - sqlite3_result_blob(context, p->hdr, + sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); sqlite3_free(p); } @@ -187651,7 +192898,7 @@ static void geopolyXformFunc( GeoX(p,ii) = x1; GeoY(p,ii) = y1; } - sqlite3_result_blob(context, p->hdr, + sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); sqlite3_free(p); } @@ -187695,7 +192942,7 @@ static void geopolyAreaFunc( if( p ){ sqlite3_result_double(context, geopolyArea(p)); sqlite3_free(p); - } + } } /* @@ -187703,7 +192950,7 @@ static void geopolyAreaFunc( ** ** If the rotation of polygon X is clockwise (incorrect) instead of ** counter-clockwise (the correct winding order according to RFC7946) -** then reverse the order of the vertexes in polygon X. +** then reverse the order of the vertexes in polygon X. ** ** In other words, this routine returns a CCW polygon regardless of the ** winding order of its input. @@ -187729,10 +192976,10 @@ static void geopolyCcwFunc( GeoY(p,jj) = t; } } - sqlite3_result_blob(context, p->hdr, + sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); sqlite3_free(p); - } + } } #define GEOPOLY_PI 3.1415926535897932385 @@ -187865,6 +193112,8 @@ static GeoPoly *geopolyBBox( aCoord[2].f = mnY; aCoord[3].f = mxY; } + }else{ + memset(aCoord, 0, sizeof(RtreeCoord)*4); } return pOut; } @@ -187879,7 +193128,7 @@ static void geopolyBBoxFunc( ){ GeoPoly *p = geopolyBBox(context, argv[0], 0, 0); if( p ){ - sqlite3_result_blob(context, p->hdr, + sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); sqlite3_free(p); } @@ -187930,7 +193179,7 @@ static void geopolyBBoxFinal( if( pBBox==0 ) return; p = geopolyBBox(context, 0, pBBox->a, 0); if( p ){ - sqlite3_result_blob(context, p->hdr, + sqlite3_result_blob(context, p->hdr, 4+8*p->nVertex, SQLITE_TRANSIENT); sqlite3_free(p); } @@ -188110,7 +193359,7 @@ static void geopolyAddOneSegment( pEvent->eType = 1; pEvent->pSeg = pSeg; } - + /* @@ -188150,7 +193399,7 @@ static GeoEvent *geopolyEventMerge(GeoEvent *pLeft, GeoEvent *pRight){ } } pLast->pNext = pRight ? pRight : pLeft; - return head.pNext; + return head.pNext; } /* @@ -188199,7 +193448,7 @@ static GeoSegment *geopolySegmentMerge(GeoSegment *pLeft, GeoSegment *pRight){ } } pLast->pNext = pRight ? pRight : pLeft; - return head.pNext; + return head.pNext; } /* @@ -188244,8 +193493,8 @@ static int geopolyOverlap(GeoPoly *p1, GeoPoly *p2){ GeoSegment *pSeg; unsigned char aOverlap[4]; - nByte = sizeof(GeoEvent)*nVertex*2 - + sizeof(GeoSegment)*nVertex + nByte = sizeof(GeoEvent)*nVertex*2 + + sizeof(GeoSegment)*nVertex + sizeof(GeoOverlap); p = sqlite3_malloc64( nByte ); if( p==0 ) return -1; @@ -188387,7 +193636,7 @@ static void geopolyDebugFunc( #endif } -/* +/* ** This function is the implementation of both the xConnect and xCreate ** methods of the geopoly virtual table. ** @@ -188477,7 +193726,7 @@ geopolyInit_fail: } -/* +/* ** GEOPOLY virtual table module xCreate method. */ static int geopolyCreate( @@ -188490,7 +193739,7 @@ static int geopolyCreate( return geopolyInit(db, pAux, argc, argv, ppVtab, pzErr, 1); } -/* +/* ** GEOPOLY virtual table module xConnect method. */ static int geopolyConnect( @@ -188504,7 +193753,7 @@ static int geopolyConnect( } -/* +/* ** GEOPOLY virtual table module xFilter method. ** ** Query plans: @@ -188527,17 +193776,11 @@ static int geopolyFilter( RtreeNode *pRoot = 0; int rc = SQLITE_OK; int iCell = 0; - sqlite3_stmt *pStmt; rtreeReference(pRtree); /* Reset the cursor to the same state as rtreeOpen() leaves it in. */ - freeCursorConstraints(pCsr); - sqlite3_free(pCsr->aPoint); - pStmt = pCsr->pReadAux; - memset(pCsr, 0, sizeof(RtreeCursor)); - pCsr->base.pVtab = (sqlite3_vtab*)pRtree; - pCsr->pReadAux = pStmt; + resetCursor(pCsr); pCsr->iStrategy = idxNum; if( idxNum==1 ){ @@ -188560,8 +193803,8 @@ static int geopolyFilter( pCsr->atEOF = 1; } }else{ - /* Normal case - r-tree scan. Set up the RtreeCursor.aConstraint array - ** with the configured constraints. + /* Normal case - r-tree scan. Set up the RtreeCursor.aConstraint array + ** with the configured constraints. */ rc = nodeAcquire(pRtree, 1, 0, &pRoot); if( rc==SQLITE_OK && idxNum<=3 ){ @@ -188642,7 +193885,7 @@ geopoly_filter_end: /* ** Rtree virtual table module xBestIndex method. There are three -** table scan strategies to choose from (in order from most to +** table scan strategies to choose from (in order from most to ** least desirable): ** ** idxNum idxStr Strategy @@ -188702,7 +193945,7 @@ static int geopolyBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ } -/* +/* ** GEOPOLY virtual table module xColumn method. */ static int geopolyColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ @@ -188722,7 +193965,7 @@ static int geopolyColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ &pCsr->pReadAux, 0); if( rc ) return rc; } - sqlite3_bind_int64(pCsr->pReadAux, 1, + sqlite3_bind_int64(pCsr->pReadAux, 1, nodeGetRowid(pRtree, pNode, p->iCell)); rc = sqlite3_step(pCsr->pReadAux); if( rc==SQLITE_ROW ){ @@ -188761,9 +194004,9 @@ static int geopolyColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){ ** argv[3] = new value for first application-defined column.... */ static int geopolyUpdate( - sqlite3_vtab *pVtab, - int nData, - sqlite3_value **aData, + sqlite3_vtab *pVtab, + int nData, + sqlite3_value **aData, sqlite_int64 *pRowid ){ Rtree *pRtree = (Rtree *)pVtab; @@ -188805,7 +194048,7 @@ static int geopolyUpdate( } coordChange = 1; - /* If a rowid value was supplied, check if it is already present in + /* If a rowid value was supplied, check if it is already present in ** the table. If so, the constraint has failed. */ if( newRowidValid && (!oldRowidValid || oldRowid!=newRowid) ){ int steprc; @@ -188974,14 +194217,20 @@ static int sqlite3_geopoly_init(sqlite3 *db){ }; int i; for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){ - int enc = aFunc[i].bPure ? SQLITE_UTF8|SQLITE_DETERMINISTIC : SQLITE_UTF8; + int enc; + if( aFunc[i].bPure ){ + enc = SQLITE_UTF8|SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS; + }else{ + enc = SQLITE_UTF8|SQLITE_DIRECTONLY; + } rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg, enc, 0, aFunc[i].xFunc, 0, 0); } for(i=0; i<sizeof(aAgg)/sizeof(aAgg[0]) && rc==SQLITE_OK; i++){ - rc = sqlite3_create_function(db, aAgg[i].zName, 1, SQLITE_UTF8, 0, - 0, aAgg[i].xStep, aAgg[i].xFinal); + rc = sqlite3_create_function(db, aAgg[i].zName, 1, + SQLITE_UTF8|SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS, 0, + 0, aAgg[i].xStep, aAgg[i].xFinal); } if( rc==SQLITE_OK ){ rc = sqlite3_create_module_v2(db, "geopoly", &geopolyModule, 0, 0); @@ -188995,7 +194244,7 @@ static int sqlite3_geopoly_init(sqlite3 *db){ /* ** Register the r-tree module with database handle db. This creates the -** virtual table module "rtree" and the debugging/analysis scalar +** virtual table module "rtree" and the debugging/analysis scalar ** function "rtreenode". */ SQLITE_PRIVATE int sqlite3RtreeInit(sqlite3 *db){ @@ -189122,7 +194371,7 @@ SQLITE_API int sqlite3_rtree_geometry_callback( pGeomCtx->xQueryFunc = 0; pGeomCtx->xDestructor = 0; pGeomCtx->pContext = pContext; - return sqlite3_create_function_v2(db, zGeom, -1, SQLITE_ANY, + return sqlite3_create_function_v2(db, zGeom, -1, SQLITE_ANY, (void *)pGeomCtx, geomCallback, 0, 0, rtreeFreeCallback ); } @@ -189147,7 +194396,7 @@ SQLITE_API int sqlite3_rtree_query_callback( pGeomCtx->xQueryFunc = xQueryFunc; pGeomCtx->xDestructor = xDestructor; pGeomCtx->pContext = pContext; - return sqlite3_create_function_v2(db, zQueryFunc, -1, SQLITE_ANY, + return sqlite3_create_function_v2(db, zQueryFunc, -1, SQLITE_ANY, (void *)pGeomCtx, geomCallback, 0, 0, rtreeFreeCallback ); } @@ -189183,9 +194432,9 @@ SQLITE_API int sqlite3_rtree_init( ************************************************************************* ** $Id: icu.c,v 1.7 2007/12/13 21:54:11 drh Exp $ ** -** This file implements an integration between the ICU library -** ("International Components for Unicode", an open-source library -** for handling unicode data) and SQLite. The integration uses +** This file implements an integration between the ICU library +** ("International Components for Unicode", an open-source library +** for handling unicode data) and SQLite. The integration uses ** ICU to provide the following to SQLite: ** ** * An implementation of the SQL regexp() function (and hence REGEXP @@ -189196,7 +194445,7 @@ SQLITE_API int sqlite3_rtree_init( ** ** * Integration of ICU and SQLite collation sequences. ** -** * An implementation of the LIKE operator that uses ICU to +** * An implementation of the LIKE operator that uses ICU to ** provide case-independent matching. */ @@ -189223,7 +194472,7 @@ SQLITE_API int sqlite3_rtree_init( ** This function is called when an ICU function called from within ** the implementation of an SQL scalar function returns an error. ** -** The scalar function context passed as the first argument is +** The scalar function context passed as the first argument is ** loaded with an error message based on the following two args. */ static void icuFunctionError( @@ -189288,7 +194537,7 @@ static const unsigned char icuUtf8Trans1[] = { /* ** Compare two UTF-8 strings for equality where the first string is -** a "LIKE" expression. Return true (1) if they are the same and +** a "LIKE" expression. Return true (1) if they are the same and ** false (0) if they are different. */ static int icuLikeCompare( @@ -189315,12 +194564,12 @@ static int icuLikeCompare( ** 3. uPattern is an unescaped escape character, or ** 4. uPattern is to be handled as an ordinary character */ - if( !prevEscape && uPattern==MATCH_ALL ){ + if( uPattern==MATCH_ALL && !prevEscape && uPattern!=(uint32_t)uEsc ){ /* Case 1. */ uint8_t c; /* Skip any MATCH_ALL or MATCH_ONE characters that follow a - ** MATCH_ALL. For each MATCH_ONE, skip one character in the + ** MATCH_ALL. For each MATCH_ONE, skip one character in the ** test string. */ while( (c=*zPattern) == MATCH_ALL || c == MATCH_ONE ){ @@ -189341,12 +194590,12 @@ static int icuLikeCompare( } return 0; - }else if( !prevEscape && uPattern==MATCH_ONE ){ + }else if( uPattern==MATCH_ONE && !prevEscape && uPattern!=(uint32_t)uEsc ){ /* Case 2. */ if( *zString==0 ) return 0; SQLITE_ICU_SKIP_UTF8(zString); - }else if( !prevEscape && uPattern==(uint32_t)uEsc){ + }else if( uPattern==(uint32_t)uEsc && !prevEscape ){ /* Case 3. */ prevEscape = 1; @@ -189373,15 +194622,15 @@ static int icuLikeCompare( ** ** A LIKE B ** -** is implemented as like(B, A). If there is an escape character E, +** is implemented as like(B, A). If there is an escape character E, ** ** A LIKE B ESCAPE E ** ** is mapped to like(B, A, E). */ static void icuLikeFunc( - sqlite3_context *context, - int argc, + sqlite3_context *context, + int argc, sqlite3_value **argv ){ const unsigned char *zA = sqlite3_value_text(argv[0]); @@ -189407,7 +194656,7 @@ static void icuLikeFunc( if( zE==0 ) return; U8_NEXT(zE, i, nE, uEsc); if( i!=nE){ - sqlite3_result_error(context, + sqlite3_result_error(context, "ESCAPE expression must be a single character", -1); return; } @@ -189430,7 +194679,7 @@ static void icuRegexpDelete(void *p){ /* ** Implementation of SQLite REGEXP operator. This scalar function takes ** two arguments. The first is a regular expression pattern to compile -** the second is a string to match against that pattern. If either +** the second is a string to match against that pattern. If either ** argument is an SQL NULL, then NULL Is returned. Otherwise, the result ** is 1 if the string matches the pattern, or 0 otherwise. ** @@ -189454,8 +194703,8 @@ static void icuRegexpFunc(sqlite3_context *p, int nArg, sqlite3_value **apArg){ (void)nArg; /* Unused parameter */ - /* If the left hand side of the regexp operator is NULL, - ** then the result is also NULL. + /* If the left hand side of the regexp operator is NULL, + ** then the result is also NULL. */ if( !zString ){ return; @@ -189493,7 +194742,7 @@ static void icuRegexpFunc(sqlite3_context *p, int nArg, sqlite3_value **apArg){ } /* Set the text that the regular expression operates on to a NULL - ** pointer. This is not really necessary, but it is tidier than + ** pointer. This is not really necessary, but it is tidier than ** leaving the regular expression object configured with an invalid ** pointer after this function returns. */ @@ -189504,7 +194753,7 @@ static void icuRegexpFunc(sqlite3_context *p, int nArg, sqlite3_value **apArg){ } /* -** Implementations of scalar functions for case mapping - upper() and +** Implementations of scalar functions for case mapping - upper() and ** lower(). Function upper() converts its input to upper-case (ABC). ** Function lower() converts to lower-case (abc). ** @@ -189512,7 +194761,7 @@ static void icuRegexpFunc(sqlite3_context *p, int nArg, sqlite3_value **apArg){ ** "language specific". Refer to ICU documentation for the differences ** between the two. ** -** To utilise "general" case mapping, the upper() or lower() scalar +** To utilise "general" case mapping, the upper() or lower() scalar ** functions are invoked with one argument: ** ** upper('ABC') -> 'abc' @@ -189620,7 +194869,7 @@ static int icuCollationColl( /* ** Implementation of the scalar function icu_load_collation(). ** -** This scalar function is used to add ICU collation based collation +** This scalar function is used to add ICU collation based collation ** types to an SQLite database connection. It is intended to be called ** as follows: ** @@ -189631,8 +194880,8 @@ static int icuCollationColl( ** collation sequence to create. */ static void icuLoadCollation( - sqlite3_context *p, - int nArg, + sqlite3_context *p, + int nArg, sqlite3_value **apArg ){ sqlite3 *db = (sqlite3 *)sqlite3_user_data(p); @@ -189658,7 +194907,7 @@ static void icuLoadCollation( } assert(p); - rc = sqlite3_create_collation_v2(db, zName, SQLITE_UTF16, (void *)pUCollator, + rc = sqlite3_create_collation_v2(db, zName, SQLITE_UTF16, (void *)pUCollator, icuCollationColl, icuCollationDel ); if( rc!=SQLITE_OK ){ @@ -189671,35 +194920,36 @@ static void icuLoadCollation( ** Register the ICU extension functions with database db. */ SQLITE_PRIVATE int sqlite3IcuInit(sqlite3 *db){ +# define SQLITEICU_EXTRAFLAGS (SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS) static const struct IcuScalar { const char *zName; /* Function name */ unsigned char nArg; /* Number of arguments */ - unsigned short enc; /* Optimal text encoding */ + unsigned int enc; /* Optimal text encoding */ unsigned char iContext; /* sqlite3_user_data() context */ void (*xFunc)(sqlite3_context*,int,sqlite3_value**); } scalars[] = { - {"icu_load_collation", 2, SQLITE_UTF8, 1, icuLoadCollation}, + {"icu_load_collation",2,SQLITE_UTF8|SQLITE_DIRECTONLY,1, icuLoadCollation}, #if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ICU) - {"regexp", 2, SQLITE_ANY|SQLITE_DETERMINISTIC, 0, icuRegexpFunc}, - {"lower", 1, SQLITE_UTF16|SQLITE_DETERMINISTIC, 0, icuCaseFunc16}, - {"lower", 2, SQLITE_UTF16|SQLITE_DETERMINISTIC, 0, icuCaseFunc16}, - {"upper", 1, SQLITE_UTF16|SQLITE_DETERMINISTIC, 1, icuCaseFunc16}, - {"upper", 2, SQLITE_UTF16|SQLITE_DETERMINISTIC, 1, icuCaseFunc16}, - {"lower", 1, SQLITE_UTF8|SQLITE_DETERMINISTIC, 0, icuCaseFunc16}, - {"lower", 2, SQLITE_UTF8|SQLITE_DETERMINISTIC, 0, icuCaseFunc16}, - {"upper", 1, SQLITE_UTF8|SQLITE_DETERMINISTIC, 1, icuCaseFunc16}, - {"upper", 2, SQLITE_UTF8|SQLITE_DETERMINISTIC, 1, icuCaseFunc16}, - {"like", 2, SQLITE_UTF8|SQLITE_DETERMINISTIC, 0, icuLikeFunc}, - {"like", 3, SQLITE_UTF8|SQLITE_DETERMINISTIC, 0, icuLikeFunc}, + {"regexp", 2, SQLITE_ANY|SQLITEICU_EXTRAFLAGS, 0, icuRegexpFunc}, + {"lower", 1, SQLITE_UTF16|SQLITEICU_EXTRAFLAGS, 0, icuCaseFunc16}, + {"lower", 2, SQLITE_UTF16|SQLITEICU_EXTRAFLAGS, 0, icuCaseFunc16}, + {"upper", 1, SQLITE_UTF16|SQLITEICU_EXTRAFLAGS, 1, icuCaseFunc16}, + {"upper", 2, SQLITE_UTF16|SQLITEICU_EXTRAFLAGS, 1, icuCaseFunc16}, + {"lower", 1, SQLITE_UTF8|SQLITEICU_EXTRAFLAGS, 0, icuCaseFunc16}, + {"lower", 2, SQLITE_UTF8|SQLITEICU_EXTRAFLAGS, 0, icuCaseFunc16}, + {"upper", 1, SQLITE_UTF8|SQLITEICU_EXTRAFLAGS, 1, icuCaseFunc16}, + {"upper", 2, SQLITE_UTF8|SQLITEICU_EXTRAFLAGS, 1, icuCaseFunc16}, + {"like", 2, SQLITE_UTF8|SQLITEICU_EXTRAFLAGS, 0, icuLikeFunc}, + {"like", 3, SQLITE_UTF8|SQLITEICU_EXTRAFLAGS, 0, icuLikeFunc}, #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_ICU) */ }; int rc = SQLITE_OK; int i; - + for(i=0; rc==SQLITE_OK && i<(int)(sizeof(scalars)/sizeof(scalars[0])); i++){ const struct IcuScalar *p = &scalars[i]; rc = sqlite3_create_function( - db, p->zName, p->nArg, p->enc, + db, p->zName, p->nArg, p->enc, p->iContext ? (void*)db : (void*)0, p->xFunc, 0, 0 ); @@ -189713,7 +194963,7 @@ SQLITE_PRIVATE int sqlite3IcuInit(sqlite3 *db){ __declspec(dllexport) #endif SQLITE_API int sqlite3_icu_init( - sqlite3 *db, + sqlite3 *db, char **pzErrMsg, const sqlite3_api_routines *pApi ){ @@ -189816,7 +195066,7 @@ static int icuDestroy(sqlite3_tokenizer *pTokenizer){ /* ** Prepare to begin tokenizing a particular string. The input ** string to be tokenized is pInput[0..nBytes-1]. A cursor -** used to incrementally tokenize this string is returned in +** used to incrementally tokenize this string is returned in ** *ppCursor. */ static int icuOpen( @@ -189858,7 +195108,7 @@ static int icuOpen( pCsr->aOffset = (int *)&pCsr->aChar[(nChar+3)&~3]; pCsr->aOffset[iOut] = iInput; - U8_NEXT(zInput, iInput, nInput, c); + U8_NEXT(zInput, iInput, nInput, c); while( c>0 ){ int isError = 0; c = u_foldCase(c, opt); @@ -190004,7 +195254,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ************************************************************************* ** ** -** OVERVIEW +** OVERVIEW ** ** The RBU extension requires that the RBU update be packaged as an ** SQLite database. The tables it expects to find are described in @@ -190012,34 +195262,34 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** that the user wishes to write to, a corresponding data_xyz table is ** created in the RBU database and populated with one row for each row to ** update, insert or delete from the target table. -** +** ** The update proceeds in three stages: -** +** ** 1) The database is updated. The modified database pages are written ** to a *-oal file. A *-oal file is just like a *-wal file, except ** that it is named "<database>-oal" instead of "<database>-wal". ** Because regular SQLite clients do not look for file named ** "<database>-oal", they go on using the original database in ** rollback mode while the *-oal file is being generated. -** +** ** During this stage RBU does not update the database by writing ** directly to the target tables. Instead it creates "imposter" ** tables using the SQLITE_TESTCTRL_IMPOSTER interface that it uses ** to update each b-tree individually. All updates required by each ** b-tree are completed before moving on to the next, and all ** updates are done in sorted key order. -** +** ** 2) The "<database>-oal" file is moved to the equivalent "<database>-wal" ** location using a call to rename(2). Before doing this the RBU ** module takes an EXCLUSIVE lock on the database file, ensuring ** that there are no other active readers. -** +** ** Once the EXCLUSIVE lock is released, any other database readers ** detect the new *-wal file and read the database in wal mode. At ** this point they see the new version of the database - including ** the updates made as part of the RBU update. -** -** 3) The new *-wal file is checkpointed. This proceeds in the same way +** +** 3) The new *-wal file is checkpointed. This proceeds in the same way ** as a regular database checkpoint, except that a single frame is ** checkpointed each time sqlite3rbu_step() is called. If the RBU ** handle is closed before the entire *-wal file is checkpointed, @@ -190048,7 +195298,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** the future. ** ** POTENTIAL PROBLEMS -** +** ** The rename() call might not be portable. And RBU is not currently ** syncing the directory after renaming the file. ** @@ -190070,7 +195320,7 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** fields are collected. This means we're probably writing a lot more ** data to disk when saving the state of an ongoing update to the RBU ** update database than is strictly necessary. -** +** */ /* #include <assert.h> */ @@ -190094,42 +195344,42 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** ************************************************************************* ** -** This file contains the public interface for the RBU extension. +** This file contains the public interface for the RBU extension. */ /* ** SUMMARY ** -** Writing a transaction containing a large number of operations on +** Writing a transaction containing a large number of operations on ** b-tree indexes that are collectively larger than the available cache -** memory can be very inefficient. +** memory can be very inefficient. ** ** The problem is that in order to update a b-tree, the leaf page (at least) ** containing the entry being inserted or deleted must be modified. If the -** working set of leaves is larger than the available cache memory, then a -** single leaf that is modified more than once as part of the transaction +** working set of leaves is larger than the available cache memory, then a +** single leaf that is modified more than once as part of the transaction ** may be loaded from or written to the persistent media multiple times. ** Additionally, because the index updates are likely to be applied in -** random order, access to pages within the database is also likely to be in +** random order, access to pages within the database is also likely to be in ** random order, which is itself quite inefficient. ** ** One way to improve the situation is to sort the operations on each index ** by index key before applying them to the b-tree. This leads to an IO ** pattern that resembles a single linear scan through the index b-tree, -** and all but guarantees each modified leaf page is loaded and stored +** and all but guarantees each modified leaf page is loaded and stored ** exactly once. SQLite uses this trick to improve the performance of ** CREATE INDEX commands. This extension allows it to be used to improve ** the performance of large transactions on existing databases. ** -** Additionally, this extension allows the work involved in writing the -** large transaction to be broken down into sub-transactions performed -** sequentially by separate processes. This is useful if the system cannot -** guarantee that a single update process will run for long enough to apply -** the entire update, for example because the update is being applied on a -** mobile device that is frequently rebooted. Even after the writer process +** Additionally, this extension allows the work involved in writing the +** large transaction to be broken down into sub-transactions performed +** sequentially by separate processes. This is useful if the system cannot +** guarantee that a single update process will run for long enough to apply +** the entire update, for example because the update is being applied on a +** mobile device that is frequently rebooted. Even after the writer process ** has committed one or more sub-transactions, other database clients continue -** to read from the original database snapshot. In other words, partially -** applied transactions are not visible to other clients. +** to read from the original database snapshot. In other words, partially +** applied transactions are not visible to other clients. ** ** "RBU" stands for "Resumable Bulk Update". As in a large database update ** transmitted via a wireless network to a mobile device. A transaction @@ -190145,9 +195395,9 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** ** * INSERT statements may not use any default values. ** -** * UPDATE and DELETE statements must identify their target rows by +** * UPDATE and DELETE statements must identify their target rows by ** non-NULL PRIMARY KEY values. Rows with NULL values stored in PRIMARY -** KEY fields may not be updated or deleted. If the table being written +** KEY fields may not be updated or deleted. If the table being written ** has no PRIMARY KEY, affected rows must be identified by rowid. ** ** * UPDATE statements may not modify PRIMARY KEY columns. @@ -190164,10 +195414,10 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** PREPARATION ** ** An "RBU update" is stored as a separate SQLite database. A database -** containing an RBU update is an "RBU database". For each table in the +** containing an RBU update is an "RBU database". For each table in the ** target database to be updated, the RBU database should contain a table ** named "data_<target name>" containing the same set of columns as the -** target table, and one more - "rbu_control". The data_% table should +** target table, and one more - "rbu_control". The data_% table should ** have no PRIMARY KEY or UNIQUE constraints, but each column should have ** the same type as the corresponding column in the target database. ** The "rbu_control" column should have no type at all. For example, if @@ -190182,22 +195432,22 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** The order of the columns in the data_% table does not matter. ** ** Instead of a regular table, the RBU database may also contain virtual -** tables or view named using the data_<target> naming scheme. +** tables or view named using the data_<target> naming scheme. ** -** Instead of the plain data_<target> naming scheme, RBU database tables +** Instead of the plain data_<target> naming scheme, RBU database tables ** may also be named data<integer>_<target>, where <integer> is any sequence ** of zero or more numeric characters (0-9). This can be significant because -** tables within the RBU database are always processed in order sorted by +** tables within the RBU database are always processed in order sorted by ** name. By judicious selection of the <integer> portion of the names ** of the RBU tables the user can therefore control the order in which they ** are processed. This can be useful, for example, to ensure that "external ** content" FTS4 tables are updated before their underlying content tables. ** ** If the target database table is a virtual table or a table that has no -** PRIMARY KEY declaration, the data_% table must also contain a column -** named "rbu_rowid". This column is mapped to the tables implicit primary -** key column - "rowid". Virtual tables for which the "rowid" column does -** not function like a primary key value cannot be updated using RBU. For +** PRIMARY KEY declaration, the data_% table must also contain a column +** named "rbu_rowid". This column is mapped to the tables implicit primary +** key column - "rowid". Virtual tables for which the "rowid" column does +** not function like a primary key value cannot be updated using RBU. For ** example, if the target db contains either of the following: ** ** CREATE VIRTUAL TABLE x1 USING fts3(a, b); @@ -190220,35 +195470,35 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** CREATE TABLE data_ft1(a, b, langid, rbu_rowid, rbu_control); ** CREATE TABLE data_ft1(a, b, rbu_rowid, rbu_control); ** -** For each row to INSERT into the target database as part of the RBU +** For each row to INSERT into the target database as part of the RBU ** update, the corresponding data_% table should contain a single record ** with the "rbu_control" column set to contain integer value 0. The -** other columns should be set to the values that make up the new record -** to insert. +** other columns should be set to the values that make up the new record +** to insert. ** -** If the target database table has an INTEGER PRIMARY KEY, it is not -** possible to insert a NULL value into the IPK column. Attempting to +** If the target database table has an INTEGER PRIMARY KEY, it is not +** possible to insert a NULL value into the IPK column. Attempting to ** do so results in an SQLITE_MISMATCH error. ** -** For each row to DELETE from the target database as part of the RBU +** For each row to DELETE from the target database as part of the RBU ** update, the corresponding data_% table should contain a single record ** with the "rbu_control" column set to contain integer value 1. The ** real primary key values of the row to delete should be stored in the ** corresponding columns of the data_% table. The values stored in the ** other columns are not used. ** -** For each row to UPDATE from the target database as part of the RBU +** For each row to UPDATE from the target database as part of the RBU ** update, the corresponding data_% table should contain a single record ** with the "rbu_control" column set to contain a value of type text. -** The real primary key values identifying the row to update should be +** The real primary key values identifying the row to update should be ** stored in the corresponding columns of the data_% table row, as should -** the new values of all columns being update. The text value in the +** the new values of all columns being update. The text value in the ** "rbu_control" column must contain the same number of characters as ** there are columns in the target database table, and must consist entirely -** of 'x' and '.' characters (or in some special cases 'd' - see below). For +** of 'x' and '.' characters (or in some special cases 'd' - see below). For ** each column that is being updated, the corresponding character is set to ** 'x'. For those that remain as they are, the corresponding character of the -** rbu_control value should be set to '.'. For example, given the tables +** rbu_control value should be set to '.'. For example, given the tables ** above, the update statement: ** ** UPDATE t1 SET c = 'usa' WHERE a = 4; @@ -190262,30 +195512,30 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** target table with the value stored in the corresponding data_% column, the ** user-defined SQL function "rbu_delta()" is invoked and the result stored in ** the target table column. rbu_delta() is invoked with two arguments - the -** original value currently stored in the target table column and the +** original value currently stored in the target table column and the ** value specified in the data_xxx table. ** ** For example, this row: ** ** INSERT INTO data_t1(a, b, c, rbu_control) VALUES(4, NULL, 'usa', '..d'); ** -** is similar to an UPDATE statement such as: +** is similar to an UPDATE statement such as: ** ** UPDATE t1 SET c = rbu_delta(c, 'usa') WHERE a = 4; ** -** Finally, if an 'f' character appears in place of a 'd' or 's' in an +** Finally, if an 'f' character appears in place of a 'd' or 's' in an ** ota_control string, the contents of the data_xxx table column is assumed ** to be a "fossil delta" - a patch to be applied to a blob value in the ** format used by the fossil source-code management system. In this case -** the existing value within the target database table must be of type BLOB. +** the existing value within the target database table must be of type BLOB. ** It is replaced by the result of applying the specified fossil delta to ** itself. ** ** If the target database table is a virtual table or a table with no PRIMARY -** KEY, the rbu_control value should not include a character corresponding +** KEY, the rbu_control value should not include a character corresponding ** to the rbu_rowid value. For example, this: ** -** INSERT INTO data_ft1(a, b, rbu_rowid, rbu_control) +** INSERT INTO data_ft1(a, b, rbu_rowid, rbu_control) ** VALUES(NULL, 'usa', 12, '.x'); ** ** causes a result similar to: @@ -190295,14 +195545,14 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** The data_xxx tables themselves should have no PRIMARY KEY declarations. ** However, RBU is more efficient if reading the rows in from each data_xxx ** table in "rowid" order is roughly the same as reading them sorted by -** the PRIMARY KEY of the corresponding target database table. In other -** words, rows should be sorted using the destination table PRIMARY KEY +** the PRIMARY KEY of the corresponding target database table. In other +** words, rows should be sorted using the destination table PRIMARY KEY ** fields before they are inserted into the data_xxx tables. ** ** USAGE ** -** The API declared below allows an application to apply an RBU update -** stored on disk to an existing target database. Essentially, the +** The API declared below allows an application to apply an RBU update +** stored on disk to an existing target database. Essentially, the ** application: ** ** 1) Opens an RBU handle using the sqlite3rbu_open() function. @@ -190313,24 +195563,24 @@ SQLITE_PRIVATE void sqlite3Fts3IcuTokenizerModule( ** ** 3) Calls the sqlite3rbu_step() function one or more times on ** the new handle. Each call to sqlite3rbu_step() performs a single -** b-tree operation, so thousands of calls may be required to apply +** b-tree operation, so thousands of calls may be required to apply ** a complete update. ** ** 4) Calls sqlite3rbu_close() to close the RBU update handle. If ** sqlite3rbu_step() has been called enough times to completely ** apply the update to the target database, then the RBU database -** is marked as fully applied. Otherwise, the state of the RBU -** update application is saved in the RBU database for later +** is marked as fully applied. Otherwise, the state of the RBU +** update application is saved in the RBU database for later ** resumption. ** ** See comments below for more detail on APIs. ** ** If an update is only partially applied to the target database by the -** time sqlite3rbu_close() is called, various state information is saved +** time sqlite3rbu_close() is called, various state information is saved ** within the RBU database. This allows subsequent processes to automatically ** resume the RBU update from where it left off. ** -** To remove all RBU extension state information, returning an RBU database +** To remove all RBU extension state information, returning an RBU database ** to its original contents, it is sufficient to drop all tables that begin ** with the prefix "rbu_" ** @@ -190366,21 +195616,21 @@ typedef struct sqlite3rbu sqlite3rbu; ** the path to the RBU database. Each call to this function must be matched ** by a call to sqlite3rbu_close(). When opening the databases, RBU passes ** the SQLITE_CONFIG_URI flag to sqlite3_open_v2(). So if either zTarget -** or zRbu begin with "file:", it will be interpreted as an SQLite +** or zRbu begin with "file:", it will be interpreted as an SQLite ** database URI, not a regular file name. ** -** If the zState argument is passed a NULL value, the RBU extension stores -** the current state of the update (how many rows have been updated, which +** If the zState argument is passed a NULL value, the RBU extension stores +** the current state of the update (how many rows have been updated, which ** indexes are yet to be updated etc.) within the RBU database itself. This ** can be convenient, as it means that the RBU application does not need to -** organize removing a separate state file after the update is concluded. -** Or, if zState is non-NULL, it must be a path to a database file in which +** organize removing a separate state file after the update is concluded. +** Or, if zState is non-NULL, it must be a path to a database file in which ** the RBU extension can store the state of the update. ** ** When resuming an RBU update, the zState argument must be passed the same ** value as when the RBU update was started. ** -** Once the RBU update is finished, the RBU extension does not +** Once the RBU update is finished, the RBU extension does not ** automatically remove any zState database file, even if it created it. ** ** By default, RBU uses the default VFS to access the files on disk. To @@ -190393,7 +195643,7 @@ typedef struct sqlite3rbu sqlite3rbu; ** the zipvfs_create_vfs() API below for details on using RBU with zipvfs. */ SQLITE_API sqlite3rbu *sqlite3rbu_open( - const char *zTarget, + const char *zTarget, const char *zRbu, const char *zState ); @@ -190403,13 +195653,13 @@ SQLITE_API sqlite3rbu *sqlite3rbu_open( ** An RBU vacuum is similar to SQLite's built-in VACUUM command, except ** that it can be suspended and resumed like an RBU update. ** -** The second argument to this function identifies a database in which -** to store the state of the RBU vacuum operation if it is suspended. The +** The second argument to this function identifies a database in which +** to store the state of the RBU vacuum operation if it is suspended. The ** first time sqlite3rbu_vacuum() is called, to start an RBU vacuum ** operation, the state database should either not exist or be empty -** (contain no tables). If an RBU vacuum is suspended by calling +** (contain no tables). If an RBU vacuum is suspended by calling ** sqlite3rbu_close() on the RBU handle before sqlite3rbu_step() has -** returned SQLITE_DONE, the vacuum state is stored in the state database. +** returned SQLITE_DONE, the vacuum state is stored in the state database. ** The vacuum can be resumed by calling this function to open a new RBU ** handle specifying the same target and state databases. ** @@ -190417,26 +195667,26 @@ SQLITE_API sqlite3rbu *sqlite3rbu_open( ** name of the state database is "<database>-vacuum", where <database> ** is the name of the target database file. In this case, on UNIX, if the ** state database is not already present in the file-system, it is created -** with the same permissions as the target db is made. +** with the same permissions as the target db is made. ** -** With an RBU vacuum, it is an SQLITE_MISUSE error if the name of the -** state database ends with "-vactmp". This name is reserved for internal +** With an RBU vacuum, it is an SQLITE_MISUSE error if the name of the +** state database ends with "-vactmp". This name is reserved for internal ** use. ** ** This function does not delete the state database after an RBU vacuum ** is completed, even if it created it. However, if the call to ** sqlite3rbu_close() returns any value other than SQLITE_OK, the contents ** of the state tables within the state database are zeroed. This way, -** the next call to sqlite3rbu_vacuum() opens a handle that starts a +** the next call to sqlite3rbu_vacuum() opens a handle that starts a ** new RBU vacuum operation. ** ** As with sqlite3rbu_open(), Zipvfs users should rever to the comment -** describing the sqlite3rbu_create_vfs() API function below for -** a description of the complications associated with using RBU with +** describing the sqlite3rbu_create_vfs() API function below for +** a description of the complications associated with using RBU with ** zipvfs databases. */ SQLITE_API sqlite3rbu *sqlite3rbu_vacuum( - const char *zTarget, + const char *zTarget, const char *zState ); @@ -190448,7 +195698,7 @@ SQLITE_API sqlite3rbu *sqlite3rbu_vacuum( ** is removed entirely. If the second parameter is negative, the limit is ** not modified (this is useful for querying the current limit). ** -** In all cases the returned value is the current limit in bytes (zero +** In all cases the returned value is the current limit in bytes (zero ** indicates unlimited). ** ** If the temp space limit is exceeded during operation, an SQLITE_FULL @@ -190457,13 +195707,13 @@ SQLITE_API sqlite3rbu *sqlite3rbu_vacuum( SQLITE_API sqlite3_int64 sqlite3rbu_temp_size_limit(sqlite3rbu*, sqlite3_int64); /* -** Return the current amount of temp file space, in bytes, currently used by +** Return the current amount of temp file space, in bytes, currently used by ** the RBU handle passed as the only argument. */ SQLITE_API sqlite3_int64 sqlite3rbu_temp_size(sqlite3rbu*); /* -** Internally, each RBU connection uses a separate SQLite database +** Internally, each RBU connection uses a separate SQLite database ** connection to access the target and rbu update databases. This ** API allows the application direct access to these database handles. ** @@ -190474,10 +195724,10 @@ SQLITE_API sqlite3_int64 sqlite3rbu_temp_size(sqlite3rbu*); ** following scenarios: ** ** * If any target tables are virtual tables, it may be necessary to -** call sqlite3_create_module() on the target database handle to +** call sqlite3_create_module() on the target database handle to ** register the required virtual table implementations. ** -** * If the data_xxx tables in the RBU source database are virtual +** * If the data_xxx tables in the RBU source database are virtual ** tables, the application may need to call sqlite3_create_module() on ** the rbu update db handle to any required virtual table ** implementations. @@ -190496,12 +195746,12 @@ SQLITE_API sqlite3_int64 sqlite3rbu_temp_size(sqlite3rbu*); SQLITE_API sqlite3 *sqlite3rbu_db(sqlite3rbu*, int bRbu); /* -** Do some work towards applying the RBU update to the target db. +** Do some work towards applying the RBU update to the target db. ** -** Return SQLITE_DONE if the update has been completely applied, or +** Return SQLITE_DONE if the update has been completely applied, or ** SQLITE_OK if no error occurs but there remains work to do to apply -** the RBU update. If an error does occur, some other error code is -** returned. +** the RBU update. If an error does occur, some other error code is +** returned. ** ** Once a call to sqlite3rbu_step() has returned a value other than ** SQLITE_OK, all subsequent calls on the same RBU handle are no-ops @@ -190514,7 +195764,7 @@ SQLITE_API int sqlite3rbu_step(sqlite3rbu *pRbu); ** ** If a power failure or application crash occurs during an update, following ** system recovery RBU may resume the update from the point at which the state -** was last saved. In other words, from the most recent successful call to +** was last saved. In other words, from the most recent successful call to ** sqlite3rbu_close() or this function. ** ** SQLITE_OK is returned if successful, or an SQLite error code otherwise. @@ -190522,7 +195772,7 @@ SQLITE_API int sqlite3rbu_step(sqlite3rbu *pRbu); SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *pRbu); /* -** Close an RBU handle. +** Close an RBU handle. ** ** If the RBU update has been completely applied, mark the RBU database ** as fully applied. Otherwise, assuming no error has occurred, save the @@ -190536,20 +195786,20 @@ SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *pRbu); ** eventually free any such buffer using sqlite3_free(). ** ** Otherwise, if no error occurs, this function returns SQLITE_OK if the -** update has been partially applied, or SQLITE_DONE if it has been +** update has been partially applied, or SQLITE_DONE if it has been ** completely applied. */ SQLITE_API int sqlite3rbu_close(sqlite3rbu *pRbu, char **pzErrmsg); /* -** Return the total number of key-value operations (inserts, deletes or +** Return the total number of key-value operations (inserts, deletes or ** updates) that have been performed on the target database since the ** current RBU update was started. */ SQLITE_API sqlite3_int64 sqlite3rbu_progress(sqlite3rbu *pRbu); /* -** Obtain permyriadage (permyriadage is to 10000 as percentage is to 100) +** Obtain permyriadage (permyriadage is to 10000 as percentage is to 100) ** progress indications for the two stages of an RBU update. This API may ** be useful for driving GUI progress indicators and similar. ** @@ -190562,16 +195812,16 @@ SQLITE_API sqlite3_int64 sqlite3rbu_progress(sqlite3rbu *pRbu); ** The update is visible to non-RBU clients during stage 2. During stage 1 ** non-RBU reader clients may see the original database. ** -** If this API is called during stage 2 of the update, output variable +** If this API is called during stage 2 of the update, output variable ** (*pnOne) is set to 10000 to indicate that stage 1 has finished and (*pnTwo) ** to a value between 0 and 10000 to indicate the permyriadage progress of -** stage 2. A value of 5000 indicates that stage 2 is half finished, +** stage 2. A value of 5000 indicates that stage 2 is half finished, ** 9000 indicates that it is 90% finished, and so on. ** -** If this API is called during stage 1 of the update, output variable +** If this API is called during stage 1 of the update, output variable ** (*pnTwo) is set to 0 to indicate that stage 2 has not yet started. The -** value to which (*pnOne) is set depends on whether or not the RBU -** database contains an "rbu_count" table. The rbu_count table, if it +** value to which (*pnOne) is set depends on whether or not the RBU +** database contains an "rbu_count" table. The rbu_count table, if it ** exists, must contain the same columns as the following: ** ** CREATE TABLE rbu_count(tbl TEXT PRIMARY KEY, cnt INTEGER) WITHOUT ROWID; @@ -190630,20 +195880,20 @@ SQLITE_API int sqlite3rbu_state(sqlite3rbu *pRbu); /* ** Create an RBU VFS named zName that accesses the underlying file-system -** via existing VFS zParent. Or, if the zParent parameter is passed NULL, +** via existing VFS zParent. Or, if the zParent parameter is passed NULL, ** then the new RBU VFS uses the default system VFS to access the file-system. -** The new object is registered as a non-default VFS with SQLite before +** The new object is registered as a non-default VFS with SQLite before ** returning. ** ** Part of the RBU implementation uses a custom VFS object. Usually, this -** object is created and deleted automatically by RBU. +** object is created and deleted automatically by RBU. ** ** The exception is for applications that also use zipvfs. In this case, ** the custom VFS must be explicitly created by the user before the RBU ** handle is opened. The RBU VFS should be installed so that the zipvfs -** VFS uses the RBU VFS, which in turn uses any other VFS layers in use +** VFS uses the RBU VFS, which in turn uses any other VFS layers in use ** (for example multiplexor) to access the file-system. For example, -** to assemble an RBU enabled VFS stack that uses both zipvfs and +** to assemble an RBU enabled VFS stack that uses both zipvfs and ** multiplexor (error checking omitted): ** ** // Create a VFS named "multiplex" (not the default). @@ -190665,9 +195915,9 @@ SQLITE_API int sqlite3rbu_state(sqlite3rbu *pRbu); ** may be used by RBU clients. Attempting to use RBU with a zipvfs VFS stack ** that does not include the RBU layer results in an error. ** -** The overhead of adding the "rbu" VFS to the system is negligible for -** non-RBU users. There is no harm in an application accessing the -** file-system via "rbu" all the time, even if it only uses RBU functionality +** The overhead of adding the "rbu" VFS to the system is negligible for +** non-RBU users. There is no harm in an application accessing the +** file-system via "rbu" all the time, even if it only uses RBU functionality ** occasionally. */ SQLITE_API int sqlite3rbu_create_vfs(const char *zName, const char *zParent); @@ -190720,17 +195970,17 @@ SQLITE_API void sqlite3rbu_destroy_vfs(const char *zName); ** RBU_STATE_STAGE: ** May be set to integer values 1, 2, 4 or 5. As follows: ** 1: the *-rbu file is currently under construction. -** 2: the *-rbu file has been constructed, but not yet moved +** 2: the *-rbu file has been constructed, but not yet moved ** to the *-wal path. ** 4: the checkpoint is underway. ** 5: the rbu update has been checkpointed. ** ** RBU_STATE_TBL: -** Only valid if STAGE==1. The target database name of the table +** Only valid if STAGE==1. The target database name of the table ** currently being written. ** ** RBU_STATE_IDX: -** Only valid if STAGE==1. The target database name of the index +** Only valid if STAGE==1. The target database name of the index ** currently being written, or NULL if the main table is currently being ** updated. ** @@ -190750,14 +196000,14 @@ SQLITE_API void sqlite3rbu_destroy_vfs(const char *zName); ** be continued if this happens). ** ** RBU_STATE_COOKIE: -** Valid if STAGE==1. The current change-counter cookie value in the +** Valid if STAGE==1. The current change-counter cookie value in the ** target db file. ** ** RBU_STATE_OALSZ: ** Valid if STAGE==1. The size in bytes of the *-oal file. ** ** RBU_STATE_DATATBL: -** Only valid if STAGE==1. The RBU database name of the table +** Only valid if STAGE==1. The RBU database name of the table ** currently being read. */ #define RBU_STATE_STAGE 1 @@ -190839,7 +196089,7 @@ struct RbuSpan { ** the target database that require updating. For each such table, the ** iterator visits, in order: ** -** * the table itself, +** * the table itself, ** * each index of the table (zero or more points to visit), and ** * a special "cleanup table" state. ** @@ -190853,7 +196103,7 @@ struct RbuSpan { ** this array set set to 1. This is because in that case, the module has ** no way to tell which fields will be required to add and remove entries ** from the partial indexes. -** +** */ struct RbuObjIter { sqlite3_stmt *pTblIter; /* Iterate through tables */ @@ -190935,7 +196185,7 @@ struct RbuFrame { ** ** nPhaseOneStep: ** If the RBU database contains an rbu_count table, this value is set to -** a running estimate of the number of b-tree operations required to +** a running estimate of the number of b-tree operations required to ** finish populating the *-oal file. This allows the sqlite3_bp_progress() ** API to calculate the permyriadage progress of populating the *-oal file ** using the formula: @@ -190955,7 +196205,7 @@ struct RbuFrame { ** ** * the RBU update contains any UPDATE operations. If the PK specified ** for an UPDATE operation does not exist in the target table, then -** no b-tree operations are required on index b-trees. Or if the +** no b-tree operations are required on index b-trees. Or if the ** specified PK does exist, then (nIndex*2) such operations are ** required (one delete and one insert on each index b-tree). ** @@ -191312,7 +196562,7 @@ static void rbuFossilDeltaFunc( /* ** Prepare the SQL statement in buffer zSql against database handle db. ** If successful, set *ppStmt to point to the new statement and return -** SQLITE_OK. +** SQLITE_OK. ** ** Otherwise, if an error does occur, set *ppStmt to NULL and return ** an SQLite error code. Additionally, set output variable *pzErrmsg to @@ -191320,7 +196570,7 @@ static void rbuFossilDeltaFunc( ** of the caller to (eventually) free this buffer using sqlite3_free(). */ static int prepareAndCollectError( - sqlite3 *db, + sqlite3 *db, sqlite3_stmt **ppStmt, char **pzErrmsg, const char *zSql @@ -191352,9 +196602,9 @@ static int resetAndCollectError(sqlite3_stmt *pStmt, char **pzErrmsg){ /* ** Unless it is NULL, argument zSql points to a buffer allocated using ** sqlite3_malloc containing an SQL statement. This function prepares the SQL -** statement against database db and frees the buffer. If statement -** compilation is successful, *ppStmt is set to point to the new statement -** handle and SQLITE_OK is returned. +** statement against database db and frees the buffer. If statement +** compilation is successful, *ppStmt is set to point to the new statement +** handle and SQLITE_OK is returned. ** ** Otherwise, if an error occurs, *ppStmt is set to NULL and an error code ** returned. In this case, *pzErrmsg may also be set to point to an error @@ -191365,7 +196615,7 @@ static int resetAndCollectError(sqlite3_stmt *pStmt, char **pzErrmsg){ ** In this case SQLITE_NOMEM is returned and *ppStmt set to NULL. */ static int prepareFreeAndCollectError( - sqlite3 *db, + sqlite3 *db, sqlite3_stmt **ppStmt, char **pzErrmsg, char *zSql @@ -191422,7 +196672,7 @@ static void rbuObjIterClearStatements(RbuObjIter *pIter){ } sqlite3_free(pIter->aIdxCol); sqlite3_free(pIter->zIdxSql); - + pIter->pSelect = 0; pIter->pInsert = 0; pIter->pDelete = 0; @@ -191449,16 +196699,16 @@ static void rbuObjIterFinalize(RbuObjIter *pIter){ /* ** Advance the iterator to the next position. ** -** If no error occurs, SQLITE_OK is returned and the iterator is left -** pointing to the next entry. Otherwise, an error code and message is -** left in the RBU handle passed as the first argument. A copy of the +** If no error occurs, SQLITE_OK is returned and the iterator is left +** pointing to the next entry. Otherwise, an error code and message is +** left in the RBU handle passed as the first argument. A copy of the ** error code is returned. */ static int rbuObjIterNext(sqlite3rbu *p, RbuObjIter *pIter){ int rc = p->rc; if( rc==SQLITE_OK ){ - /* Free any SQLite statements used while processing the previous object */ + /* Free any SQLite statements used while processing the previous object */ rbuObjIterClearStatements(pIter); if( pIter->zIdx==0 ){ rc = sqlite3_exec(p->dbMain, @@ -191517,7 +196767,7 @@ static int rbuObjIterNext(sqlite3rbu *p, RbuObjIter *pIter){ ** The implementation of the rbu_target_name() SQL function. This function ** accepts one or two arguments. The first argument is the name of a table - ** the name of a table in the RBU database. The second, if it is present, is 1 -** for a view or 0 for a table. +** for a view or 0 for a table. ** ** For a non-vacuum RBU handle, if the table name matches the pattern: ** @@ -191565,19 +196815,19 @@ static void rbuTargetNameFunc( /* ** Initialize the iterator structure passed as the second argument. ** -** If no error occurs, SQLITE_OK is returned and the iterator is left -** pointing to the first entry. Otherwise, an error code and message is -** left in the RBU handle passed as the first argument. A copy of the +** If no error occurs, SQLITE_OK is returned and the iterator is left +** pointing to the first entry. Otherwise, an error code and message is +** left in the RBU handle passed as the first argument. A copy of the ** error code is returned. */ static int rbuObjIterFirst(sqlite3rbu *p, RbuObjIter *pIter){ int rc; memset(pIter, 0, sizeof(RbuObjIter)); - rc = prepareFreeAndCollectError(p->dbRbu, &pIter->pTblIter, &p->zErrmsg, + rc = prepareFreeAndCollectError(p->dbRbu, &pIter->pTblIter, &p->zErrmsg, sqlite3_mprintf( "SELECT rbu_target_name(name, type='view') AS target, name " - "FROM sqlite_master " + "FROM sqlite_schema " "WHERE type IN ('table', 'view') AND target IS NOT NULL " " %s " "ORDER BY name" @@ -191586,7 +196836,7 @@ static int rbuObjIterFirst(sqlite3rbu *p, RbuObjIter *pIter){ if( rc==SQLITE_OK ){ rc = prepareAndCollectError(p->dbMain, &pIter->pIdxIter, &p->zErrmsg, "SELECT name, rootpage, sql IS NULL OR substr(8, 6)=='UNIQUE' " - " FROM main.sqlite_master " + " FROM main.sqlite_schema " " WHERE type='index' AND tbl_name = ?" ); } @@ -191602,7 +196852,7 @@ static int rbuObjIterFirst(sqlite3rbu *p, RbuObjIter *pIter){ ** ** If an error has already occurred (p->rc is already set to something other ** than SQLITE_OK), then this function returns NULL without modifying the -** stored error code. In this case it still calls sqlite3_free() on any +** stored error code. In this case it still calls sqlite3_free() on any ** printf() parameters associated with %z conversions. */ static char *rbuMPrintf(sqlite3rbu *p, const char *zFmt, ...){ @@ -191648,12 +196898,12 @@ static int rbuMPrintfExec(sqlite3rbu *p, sqlite3 *db, const char *zFmt, ...){ } /* -** Attempt to allocate and return a pointer to a zeroed block of nByte -** bytes. +** Attempt to allocate and return a pointer to a zeroed block of nByte +** bytes. ** -** If an error (i.e. an OOM condition) occurs, return NULL and leave an -** error code in the rbu handle passed as the first argument. Or, if an -** error has already occurred when this function is called, return NULL +** If an error (i.e. an OOM condition) occurs, return NULL and leave an +** error code in the rbu handle passed as the first argument. Or, if an +** error has already occurred when this function is called, return NULL ** immediately without attempting the allocation or modifying the stored ** error code. */ @@ -191750,7 +197000,7 @@ static void rbuFinalize(sqlite3rbu *p, sqlite3_stmt *pStmt){ ** RBU_PK_VTAB: Table is a virtual table. ** ** Argument *piPk is also of type (int*), and also points to an output -** parameter. Unless the table has an external primary key index +** parameter. Unless the table has an external primary key index ** (i.e. unless *peType is set to 3), then *piPk is set to zero. Or, ** if the table does have an external primary key index, then *piPk ** is set to the root page number of the primary key index before @@ -191758,12 +197008,12 @@ static void rbuFinalize(sqlite3rbu *p, sqlite3_stmt *pStmt){ ** ** ALGORITHM: ** -** if( no entry exists in sqlite_master ){ +** if( no entry exists in sqlite_schema ){ ** return RBU_PK_NOTABLE ** }else if( sql for the entry starts with "CREATE VIRTUAL" ){ ** return RBU_PK_VTAB ** }else if( "PRAGMA index_list()" for the table contains a "pk" index ){ -** if( the index that is the pk exists in sqlite_master ){ +** if( the index that is the pk exists in sqlite_schema ){ ** *piPK = rootpage of that index. ** return RBU_PK_EXTERNAL ** }else{ @@ -191783,9 +197033,9 @@ static void rbuTableType( int *piPk ){ /* - ** 0) SELECT count(*) FROM sqlite_master where name=%Q AND IsVirtual(%Q) + ** 0) SELECT count(*) FROM sqlite_schema where name=%Q AND IsVirtual(%Q) ** 1) PRAGMA index_list = ? - ** 2) SELECT count(*) FROM sqlite_master where name=%Q + ** 2) SELECT count(*) FROM sqlite_schema where name=%Q ** 3) PRAGMA table_info = ? */ sqlite3_stmt *aStmt[4] = {0, 0, 0, 0}; @@ -191794,10 +197044,10 @@ static void rbuTableType( *piPk = 0; assert( p->rc==SQLITE_OK ); - p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[0], &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[0], &p->zErrmsg, sqlite3_mprintf( "SELECT (sql LIKE 'create virtual%%'), rootpage" - " FROM sqlite_master" + " FROM sqlite_schema" " WHERE name=%Q", zTab )); if( p->rc!=SQLITE_OK || sqlite3_step(aStmt[0])!=SQLITE_ROW ){ @@ -191810,7 +197060,7 @@ static void rbuTableType( } *piTnum = sqlite3_column_int(aStmt[0], 1); - p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[1], &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[1], &p->zErrmsg, sqlite3_mprintf("PRAGMA index_list=%Q",zTab) ); if( p->rc ) goto rbuTableType_end; @@ -191818,9 +197068,9 @@ static void rbuTableType( const u8 *zOrig = sqlite3_column_text(aStmt[1], 3); const u8 *zIdx = sqlite3_column_text(aStmt[1], 1); if( zOrig && zIdx && zOrig[0]=='p' ){ - p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[2], &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[2], &p->zErrmsg, sqlite3_mprintf( - "SELECT rootpage FROM sqlite_master WHERE name = %Q", zIdx + "SELECT rootpage FROM sqlite_schema WHERE name = %Q", zIdx )); if( p->rc==SQLITE_OK ){ if( sqlite3_step(aStmt[2])==SQLITE_ROW ){ @@ -191834,7 +197084,7 @@ static void rbuTableType( } } - p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[3], &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbMain, &aStmt[3], &p->zErrmsg, sqlite3_mprintf("PRAGMA table_info=%Q",zTab) ); if( p->rc==SQLITE_OK ){ @@ -191910,7 +197160,7 @@ static void rbuObjIterCacheIndexedCols(sqlite3rbu *p, RbuObjIter *pIter){ ** the table (not index) that the iterator currently points to. ** ** Return SQLITE_OK if successful, or an SQLite error code otherwise. If -** an error does occur, an error code and error message are also left in +** an error does occur, an error code and error message are also left in ** the RBU handle. */ static int rbuObjIterCacheTableInfo(sqlite3rbu *p, RbuObjIter *pIter){ @@ -191932,7 +197182,7 @@ static int rbuObjIterCacheTableInfo(sqlite3rbu *p, RbuObjIter *pIter){ if( p->rc ) return p->rc; if( pIter->zIdx==0 ) pIter->iTnum = iTnum; - assert( pIter->eType==RBU_PK_NONE || pIter->eType==RBU_PK_IPK + assert( pIter->eType==RBU_PK_NONE || pIter->eType==RBU_PK_IPK || pIter->eType==RBU_PK_EXTERNAL || pIter->eType==RBU_PK_WITHOUT_ROWID || pIter->eType==RBU_PK_VTAB ); @@ -191940,7 +197190,7 @@ static int rbuObjIterCacheTableInfo(sqlite3rbu *p, RbuObjIter *pIter){ /* Populate the azTblCol[] and nTblCol variables based on the columns ** of the input table. Ignore any input table columns that begin with ** "rbu_". */ - p->rc = prepareFreeAndCollectError(p->dbRbu, &pStmt, &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbRbu, &pStmt, &p->zErrmsg, sqlite3_mprintf("SELECT * FROM '%q'", pIter->zDataTbl) ); if( p->rc==SQLITE_OK ){ @@ -191976,7 +197226,7 @@ static int rbuObjIterCacheTableInfo(sqlite3rbu *p, RbuObjIter *pIter){ ** present in the input table. Populate the abTblPk[], azTblType[] and ** aiTblOrder[] arrays at the same time. */ if( p->rc==SQLITE_OK ){ - p->rc = prepareFreeAndCollectError(p->dbMain, &pStmt, &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbMain, &pStmt, &p->zErrmsg, sqlite3_mprintf("PRAGMA table_info(%Q)", pIter->zTbl) ); } @@ -192019,8 +197269,8 @@ static int rbuObjIterCacheTableInfo(sqlite3rbu *p, RbuObjIter *pIter){ } /* -** This function constructs and returns a pointer to a nul-terminated -** string containing some SQL clause or list based on one or more of the +** This function constructs and returns a pointer to a nul-terminated +** string containing some SQL clause or list based on one or more of the ** column names currently stored in the pIter->azTblCol[] array. */ static char *rbuObjIterGetCollist( @@ -192071,10 +197321,10 @@ static char *rbuObjIterGetPkList( } /* -** This function is called as part of restarting an RBU vacuum within +** This function is called as part of restarting an RBU vacuum within ** stage 1 of the process (while the *-oal file is being built) while ** updating a table (not an index). The table may be a rowid table or -** a WITHOUT ROWID table. It queries the target database to find the +** a WITHOUT ROWID table. It queries the target database to find the ** largest key that has already been written to the target table and ** constructs a WHERE clause that can be used to extract the remaining ** rows from the source table. For a rowid table, the WHERE clause @@ -192098,7 +197348,7 @@ static char *rbuVacuumTableStart( sqlite3_stmt *pMax = 0; char *zRet = 0; if( bRowid ){ - p->rc = prepareFreeAndCollectError(p->dbMain, &pMax, &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbMain, &pMax, &p->zErrmsg, sqlite3_mprintf( "SELECT max(_rowid_) FROM \"%s%w\"", zWrite, pIter->zTbl ) @@ -192114,9 +197364,9 @@ static char *rbuVacuumTableStart( char *zList = rbuObjIterGetPkList(p, pIter, "", ", ", ""); if( p->rc==SQLITE_OK ){ - p->rc = prepareFreeAndCollectError(p->dbMain, &pMax, &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbMain, &pMax, &p->zErrmsg, sqlite3_mprintf( - "SELECT %s FROM \"%s%w\" ORDER BY %s LIMIT 1", + "SELECT %s FROM \"%s%w\" ORDER BY %s LIMIT 1", zSelect, zWrite, pIter->zTbl, zOrder ) ); @@ -192138,12 +197388,12 @@ static char *rbuVacuumTableStart( ** This function is called as part of restating an RBU vacuum when the ** current operation is writing content to an index. If possible, it ** queries the target index b-tree for the largest key already written to -** it, then composes and returns an expression that can be used in a WHERE -** clause to select the remaining required rows from the source table. +** it, then composes and returns an expression that can be used in a WHERE +** clause to select the remaining required rows from the source table. ** It is only possible to return such an expression if: ** ** * The index contains no DESC columns, and -** * The last key written to the index before the operation was +** * The last key written to the index before the operation was ** suspended does not contain any NULL values. ** ** The expression is of the form: @@ -192153,7 +197403,7 @@ static char *rbuVacuumTableStart( ** except that the "?" placeholders are replaced with literal values. ** ** If the expression cannot be created, NULL is returned. In this case, -** the caller has to use an OFFSET clause to extract only the required +** the caller has to use an OFFSET clause to extract only the required ** rows from the sourct table, just as it does for an RBU update operation. */ char *rbuVacuumIndexStart( @@ -192246,23 +197496,23 @@ char *rbuVacuumIndexStart( } /* -** This function is used to create a SELECT list (the list of SQL -** expressions that follows a SELECT keyword) for a SELECT statement -** used to read from an data_xxx or rbu_tmp_xxx table while updating the -** index object currently indicated by the iterator object passed as the -** second argument. A "PRAGMA index_xinfo = <idxname>" statement is used +** This function is used to create a SELECT list (the list of SQL +** expressions that follows a SELECT keyword) for a SELECT statement +** used to read from an data_xxx or rbu_tmp_xxx table while updating the +** index object currently indicated by the iterator object passed as the +** second argument. A "PRAGMA index_xinfo = <idxname>" statement is used ** to obtain the required information. ** ** If the index is of the following form: ** ** CREATE INDEX i1 ON t1(c, b COLLATE nocase); ** -** and "t1" is a table with an explicit INTEGER PRIMARY KEY column +** and "t1" is a table with an explicit INTEGER PRIMARY KEY column ** "ipk", the returned string is: ** ** "`c` COLLATE 'BINARY', `b` COLLATE 'NOCASE', `ipk` COLLATE 'BINARY'" ** -** As well as the returned string, three other malloc'd strings are +** As well as the returned string, three other malloc'd strings are ** returned via output parameters. As follows: ** ** pzImposterCols: ... @@ -192332,11 +197582,11 @@ static char *rbuObjIterGetIndexCols( if( pIter->bUnique==0 || sqlite3_column_int(pXInfo, 5) ){ const char *zOrder = (bDesc ? " DESC" : ""); - zImpPK = sqlite3_mprintf("%z%s\"rbu_imp_%d%w\"%s", + zImpPK = sqlite3_mprintf("%z%s\"rbu_imp_%d%w\"%s", zImpPK, zCom, nBind, zCol, zOrder ); } - zImpCols = sqlite3_mprintf("%z%s\"rbu_imp_%d%w\" %s COLLATE %Q", + zImpCols = sqlite3_mprintf("%z%s\"rbu_imp_%d%w\" %s COLLATE %Q", zImpCols, zCom, nBind, zCol, zType, zCollate ); zWhere = sqlite3_mprintf( @@ -192382,7 +197632,7 @@ static char *rbuObjIterGetIndexCols( ** the text ", old._rowid_" to the returned value. */ static char *rbuObjIterGetOldlist( - sqlite3rbu *p, + sqlite3rbu *p, RbuObjIter *pIter, const char *zObj ){ @@ -192423,7 +197673,7 @@ static char *rbuObjIterGetOldlist( ** "b = ?1 AND c = ?2" */ static char *rbuObjIterGetWhere( - sqlite3rbu *p, + sqlite3rbu *p, RbuObjIter *pIter ){ char *zList = 0; @@ -192438,7 +197688,7 @@ static char *rbuObjIterGetWhere( zSep = " AND "; } } - zList = rbuMPrintf(p, + zList = rbuMPrintf(p, "_rowid_ = (SELECT id FROM rbu_imposter2 WHERE %z)", zList ); @@ -192478,7 +197728,7 @@ static void rbuBadControlError(sqlite3rbu *p){ ** ** The memory for the returned string is obtained from sqlite3_malloc(). ** It is the responsibility of the caller to eventually free it using -** sqlite3_free(). +** sqlite3_free(). ** ** If an OOM error is encountered when allocating space for the new ** string, an error code is left in the rbu handle passed as the first @@ -192502,19 +197752,19 @@ static char *rbuObjIterGetSetlist( for(i=0; i<pIter->nTblCol; i++){ char c = zMask[pIter->aiSrcOrder[i]]; if( c=='x' ){ - zList = rbuMPrintf(p, "%z%s\"%w\"=?%d", + zList = rbuMPrintf(p, "%z%s\"%w\"=?%d", zList, zSep, pIter->azTblCol[i], i+1 ); zSep = ", "; } else if( c=='d' ){ - zList = rbuMPrintf(p, "%z%s\"%w\"=rbu_delta(\"%w\", ?%d)", + zList = rbuMPrintf(p, "%z%s\"%w\"=rbu_delta(\"%w\", ?%d)", zList, zSep, pIter->azTblCol[i], pIter->azTblCol[i], i+1 ); zSep = ", "; } else if( c=='f' ){ - zList = rbuMPrintf(p, "%z%s\"%w\"=rbu_fossil_delta(\"%w\", ?%d)", + zList = rbuMPrintf(p, "%z%s\"%w\"=rbu_fossil_delta(\"%w\", ?%d)", zList, zSep, pIter->azTblCol[i], pIter->azTblCol[i], i+1 ); zSep = ", "; @@ -192532,7 +197782,7 @@ static char *rbuObjIterGetSetlist( ** ** The memory for the returned string is obtained from sqlite3_malloc(). ** It is the responsibility of the caller to eventually free it using -** sqlite3_free(). +** sqlite3_free(). ** ** If an OOM error is encountered when allocating space for the new ** string, an error code is left in the rbu handle passed as the first @@ -192556,8 +197806,8 @@ static char *rbuObjIterGetBindlist(sqlite3rbu *p, int nBind){ } /* -** The iterator currently points to a table (not index) of type -** RBU_PK_WITHOUT_ROWID. This function creates the PRIMARY KEY +** The iterator currently points to a table (not index) of type +** RBU_PK_WITHOUT_ROWID. This function creates the PRIMARY KEY ** declaration for the corresponding imposter table. For example, ** if the iterator points to a table created as: ** @@ -192574,7 +197824,7 @@ static char *rbuWithoutRowidPK(sqlite3rbu *p, RbuObjIter *pIter){ const char *zSep = "PRIMARY KEY("; sqlite3_stmt *pXList = 0; /* PRAGMA index_list = (pIter->zTbl) */ sqlite3_stmt *pXInfo = 0; /* PRAGMA index_xinfo = <pk-index> */ - + p->rc = prepareFreeAndCollectError(p->dbMain, &pXList, &p->zErrmsg, sqlite3_mprintf("PRAGMA main.index_list = %Q", pIter->zTbl) ); @@ -192612,7 +197862,7 @@ static char *rbuWithoutRowidPK(sqlite3rbu *p, RbuObjIter *pIter){ ** a table b-tree where the table has an external primary key. If the ** iterator passed as the second argument does not currently point to ** a table (not index) with an external primary key, this function is a -** no-op. +** no-op. ** ** Assuming the iterator does point to a table with an external PK, this ** function creates a WITHOUT ROWID imposter table named "rbu_imposter2" @@ -192639,8 +197889,8 @@ static void rbuCreateImposterTable2(sqlite3rbu *p, RbuObjIter *pIter){ /* Figure out the name of the primary key index for the current table. ** This is needed for the argument to "PRAGMA index_xinfo". Set ** zIdx to point to a nul-terminated string containing this name. */ - p->rc = prepareAndCollectError(p->dbMain, &pQuery, &p->zErrmsg, - "SELECT name FROM sqlite_master WHERE rootpage = ?" + p->rc = prepareAndCollectError(p->dbMain, &pQuery, &p->zErrmsg, + "SELECT name FROM sqlite_schema WHERE rootpage = ?" ); if( p->rc==SQLITE_OK ){ sqlite3_bind_int(pQuery, 1, tnum); @@ -192661,7 +197911,7 @@ static void rbuCreateImposterTable2(sqlite3rbu *p, RbuObjIter *pIter){ int iCid = sqlite3_column_int(pXInfo, 1); int bDesc = sqlite3_column_int(pXInfo, 3); const char *zCollate = (const char*)sqlite3_column_text(pXInfo, 4); - zCols = rbuMPrintf(p, "%z%sc%d %s COLLATE %Q", zCols, zComma, + zCols = rbuMPrintf(p, "%z%sc%d %s COLLATE %Q", zCols, zComma, iCid, pIter->azTblType[iCid], zCollate ); zPk = rbuMPrintf(p, "%z%sc%d%s", zPk, zComma, iCid, bDesc?" DESC":""); @@ -192673,7 +197923,7 @@ static void rbuCreateImposterTable2(sqlite3rbu *p, RbuObjIter *pIter){ sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->dbMain, "main", 1, tnum); rbuMPrintfExec(p, p->dbMain, - "CREATE TABLE rbu_imposter2(%z, PRIMARY KEY(%z)) WITHOUT ROWID", + "CREATE TABLE rbu_imposter2(%z, PRIMARY KEY(%z)) WITHOUT ROWID", zCols, zPk ); sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->dbMain, "main", 0, 0); @@ -192681,7 +197931,7 @@ static void rbuCreateImposterTable2(sqlite3rbu *p, RbuObjIter *pIter){ } /* -** If an error has already occurred when this function is called, it +** If an error has already occurred when this function is called, it ** immediately returns zero (without doing any work). Or, if an error ** occurs during the execution of this function, it sets the error code ** in the sqlite3rbu object indicated by the first argument and returns @@ -192694,9 +197944,9 @@ static void rbuCreateImposterTable2(sqlite3rbu *p, RbuObjIter *pIter){ ** an imposter table are created, or zero otherwise. ** ** An imposter table is required in all cases except RBU_PK_VTAB. Only -** virtual tables are written to directly. The imposter table has the -** same schema as the actual target table (less any UNIQUE constraints). -** More precisely, the "same schema" means the same columns, types, +** virtual tables are written to directly. The imposter table has the +** same schema as the actual target table (less any UNIQUE constraints). +** More precisely, the "same schema" means the same columns, types, ** collation sequences. For tables that do not have an external PRIMARY ** KEY, it also means the same PRIMARY KEY declaration. */ @@ -192722,7 +197972,7 @@ static void rbuCreateImposterTable(sqlite3rbu *p, RbuObjIter *pIter){ ** "PRIMARY KEY" to the imposter table column declaration. */ zPk = "PRIMARY KEY "; } - zSql = rbuMPrintf(p, "%z%s\"%w\" %s %sCOLLATE %Q%s", + zSql = rbuMPrintf(p, "%z%s\"%w\" %s %sCOLLATE %Q%s", zSql, zComma, zCol, pIter->azTblType[iCol], zPk, zColl, (pIter->abNotNull[iCol] ? " NOT NULL" : "") ); @@ -192737,8 +197987,8 @@ static void rbuCreateImposterTable(sqlite3rbu *p, RbuObjIter *pIter){ } sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->dbMain, "main", 1, tnum); - rbuMPrintfExec(p, p->dbMain, "CREATE TABLE \"rbu_imp_%w\"(%z)%s", - pIter->zTbl, zSql, + rbuMPrintfExec(p, p->dbMain, "CREATE TABLE \"rbu_imp_%w\"(%z)%s", + pIter->zTbl, zSql, (pIter->eType==RBU_PK_WITHOUT_ROWID ? " WITHOUT ROWID" : "") ); sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, p->dbMain, "main", 0, 0); @@ -192752,12 +198002,12 @@ static void rbuCreateImposterTable(sqlite3rbu *p, RbuObjIter *pIter){ ** INSERT INTO rbu_tmp_xxx VALUES(?, ?, ? ...); ** ** The number of bound variables is equal to the number of columns in -** the target table, plus one (for the rbu_control column), plus one more -** (for the rbu_rowid column) if the target table is an implicit IPK or +** the target table, plus one (for the rbu_control column), plus one more +** (for the rbu_rowid column) if the target table is an implicit IPK or ** virtual table. */ static void rbuObjIterPrepareTmpInsert( - sqlite3rbu *p, + sqlite3rbu *p, RbuObjIter *pIter, const char *zCollist, const char *zRbuRowid @@ -192768,14 +198018,14 @@ static void rbuObjIterPrepareTmpInsert( assert( pIter->pTmpInsert==0 ); p->rc = prepareFreeAndCollectError( p->dbRbu, &pIter->pTmpInsert, &p->zErrmsg, sqlite3_mprintf( - "INSERT INTO %s.'rbu_tmp_%q'(rbu_control,%s%s) VALUES(%z)", + "INSERT INTO %s.'rbu_tmp_%q'(rbu_control,%s%s) VALUES(%z)", p->zStateDb, pIter->zDataTbl, zCollist, zRbuRowid, zBind )); } } static void rbuTmpInsertFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ @@ -192784,8 +198034,8 @@ static void rbuTmpInsertFunc( int i; assert( sqlite3_value_int(apVal[0])!=0 - || p->objiter.eType==RBU_PK_EXTERNAL - || p->objiter.eType==RBU_PK_NONE + || p->objiter.eType==RBU_PK_EXTERNAL + || p->objiter.eType==RBU_PK_NONE ); if( sqlite3_value_int(apVal[0])!=0 ){ p->nPhaseOneStep += p->objiter.nIndex; @@ -192813,7 +198063,7 @@ static char *rbuObjIterGetIndexWhere(sqlite3rbu *p, RbuObjIter *pIter){ if( rc==SQLITE_OK ){ rc = prepareAndCollectError(p->dbMain, &pStmt, &p->zErrmsg, - "SELECT trim(sql) FROM sqlite_master WHERE type='index' AND name=?" + "SELECT trim(sql) FROM sqlite_schema WHERE type='index' AND name=?" ); } if( rc==SQLITE_OK ){ @@ -192900,12 +198150,12 @@ static char *rbuObjIterGetIndexWhere(sqlite3rbu *p, RbuObjIter *pIter){ } /* -** Ensure that the SQLite statement handles required to update the -** target database object currently indicated by the iterator passed +** Ensure that the SQLite statement handles required to update the +** target database object currently indicated by the iterator passed ** as the second argument are available. */ static int rbuObjIterPrepareAll( - sqlite3rbu *p, + sqlite3rbu *p, RbuObjIter *pIter, int nOffset /* Add "LIMIT -1 OFFSET $nOffset" to SELECT */ ){ @@ -192979,9 +198229,9 @@ static int rbuObjIterPrepareAll( zSql = sqlite3_mprintf( "SELECT %s, 0 AS rbu_control FROM '%q' %s %s %s ORDER BY %s%s", - zCollist, + zCollist, pIter->zDataTbl, - zPart, + zPart, (zStart ? (zPart ? "AND" : "WHERE") : ""), zStart, zCollist, zLimit ); @@ -193002,7 +198252,7 @@ static int rbuObjIterPrepareAll( "%s %s typeof(rbu_control)='integer' AND rbu_control!=1 " "ORDER BY %s%s", zCollist, p->zStateDb, pIter->zDataTbl, zPart, - zCollist, pIter->zDataTbl, + zCollist, pIter->zDataTbl, zPart, (zPart ? "AND" : "WHERE"), zCollist, zLimit @@ -193044,7 +198294,7 @@ static int rbuObjIterPrepareAll( if( p->rc==SQLITE_OK ){ p->rc = prepareFreeAndCollectError(p->dbMain, &pIter->pInsert, pz, sqlite3_mprintf( - "INSERT INTO \"%s%w\"(%s%s) VALUES(%s)", + "INSERT INTO \"%s%w\"(%s%s) VALUES(%s)", zWrite, zTbl, zCollist, (bRbuRowid ? ", _rowid_" : ""), zBindings ) ); @@ -193137,10 +198387,10 @@ static int rbuObjIterPrepareAll( p->rc = prepareFreeAndCollectError(p->dbRbu, &pIter->pSelect, pz, sqlite3_mprintf( "SELECT %s,%s rbu_control%s FROM '%q'%s %s %s %s", - zCollist, + zCollist, (rbuIsVacuum(p) ? "0 AS " : ""), zRbuRowid, - pIter->zDataTbl, (zStart ? zStart : ""), + pIter->zDataTbl, (zStart ? zStart : ""), (zOrder ? "ORDER BY" : ""), zOrder, zLimit ) @@ -193158,16 +198408,16 @@ static int rbuObjIterPrepareAll( sqlite3_free(zCollist); sqlite3_free(zLimit); } - + return p->rc; } /* ** Set output variable *ppStmt to point to an UPDATE statement that may ** be used to update the imposter table for the main table b-tree of the -** table object that pIter currently points to, assuming that the +** table object that pIter currently points to, assuming that the ** rbu_control column of the data_xyz table contains zMask. -** +** ** If the zMask string does not specify any columns to update, then this ** is not an error. Output variable *ppStmt is set to NULL in this case. */ @@ -193194,7 +198444,7 @@ static int rbuGetUpdateStmt( *pp = pUp->pNext; pUp->pNext = pIter->pRbuUpdate; pIter->pRbuUpdate = pUp; - *ppStmt = pUp->pUpdate; + *ppStmt = pUp->pUpdate; return SQLITE_OK; } nUp++; @@ -193224,7 +198474,7 @@ static int rbuGetUpdateStmt( const char *zPrefix = ""; if( pIter->eType!=RBU_PK_VTAB ) zPrefix = "rbu_imp_"; - zUpdate = sqlite3_mprintf("UPDATE \"%s%w\" SET %s WHERE %s", + zUpdate = sqlite3_mprintf("UPDATE \"%s%w\" SET %s WHERE %s", zPrefix, pIter->zTbl, zSet, zWhere ); p->rc = prepareFreeAndCollectError( @@ -193240,8 +198490,8 @@ static int rbuGetUpdateStmt( } static sqlite3 *rbuOpenDbhandle( - sqlite3rbu *p, - const char *zName, + sqlite3rbu *p, + const char *zName, int bUseVfs ){ sqlite3 *db = 0; @@ -193270,8 +198520,8 @@ static void rbuFreeState(RbuState *p){ } /* -** Allocate an RbuState object and load the contents of the rbu_state -** table into it. Return a pointer to the new object. It is the +** Allocate an RbuState object and load the contents of the rbu_state +** table into it. Return a pointer to the new object. It is the ** responsibility of the caller to eventually free the object using ** sqlite3_free(). ** @@ -193287,7 +198537,7 @@ static RbuState *rbuLoadState(sqlite3rbu *p){ pRet = (RbuState*)rbuMalloc(p, sizeof(RbuState)); if( pRet==0 ) return 0; - rc = prepareFreeAndCollectError(p->dbRbu, &pStmt, &p->zErrmsg, + rc = prepareFreeAndCollectError(p->dbRbu, &pStmt, &p->zErrmsg, sqlite3_mprintf("SELECT k, v FROM %s.rbu_state", p->zStateDb) ); while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){ @@ -193395,9 +198645,9 @@ static void rbuOpenDatabase(sqlite3rbu *p, int *pbRetry){ int bOk = 0; sqlite3_stmt *pCnt = 0; p->rc = prepareAndCollectError(p->dbRbu, &pCnt, &p->zErrmsg, - "SELECT count(*) FROM stat.sqlite_master" + "SELECT count(*) FROM stat.sqlite_schema" ); - if( p->rc==SQLITE_OK + if( p->rc==SQLITE_OK && sqlite3_step(pCnt)==SQLITE_ROW && 1==sqlite3_column_int(pCnt, 0) ){ @@ -193410,7 +198660,7 @@ static void rbuOpenDatabase(sqlite3rbu *p, int *pbRetry){ p->rc = SQLITE_ERROR; p->zErrmsg = sqlite3_mprintf("invalid state database"); } - + if( p->rc==SQLITE_OK ){ p->rc = sqlite3_exec(p->dbRbu, "COMMIT", 0, 0, 0); } @@ -193464,7 +198714,7 @@ static void rbuOpenDatabase(sqlite3rbu *p, int *pbRetry){ if( *zExtra=='\0' ) zExtra = 0; } - zTarget = sqlite3_mprintf("file:%s-vactmp?rbu_memory=1%s%s", + zTarget = sqlite3_mprintf("file:%s-vactmp?rbu_memory=1%s%s", sqlite3_db_filename(p->dbRbu, "main"), (zExtra==0 ? "" : "&"), (zExtra==0 ? "" : zExtra) ); @@ -193479,19 +198729,19 @@ static void rbuOpenDatabase(sqlite3rbu *p, int *pbRetry){ } if( p->rc==SQLITE_OK ){ - p->rc = sqlite3_create_function(p->dbMain, + p->rc = sqlite3_create_function(p->dbMain, "rbu_tmp_insert", -1, SQLITE_UTF8, (void*)p, rbuTmpInsertFunc, 0, 0 ); } if( p->rc==SQLITE_OK ){ - p->rc = sqlite3_create_function(p->dbMain, + p->rc = sqlite3_create_function(p->dbMain, "rbu_fossil_delta", 2, SQLITE_UTF8, 0, rbuFossilDeltaFunc, 0, 0 ); } if( p->rc==SQLITE_OK ){ - p->rc = sqlite3_create_function(p->dbRbu, + p->rc = sqlite3_create_function(p->dbRbu, "rbu_target_name", -1, SQLITE_UTF8, (void*)p, rbuTargetNameFunc, 0, 0 ); } @@ -193499,9 +198749,9 @@ static void rbuOpenDatabase(sqlite3rbu *p, int *pbRetry){ if( p->rc==SQLITE_OK ){ p->rc = sqlite3_file_control(p->dbMain, "main", SQLITE_FCNTL_RBU, (void*)p); } - rbuMPrintfExec(p, p->dbMain, "SELECT * FROM sqlite_master"); + rbuMPrintfExec(p, p->dbMain, "SELECT * FROM sqlite_schema"); - /* Mark the database file just opened as an RBU target database. If + /* Mark the database file just opened as an RBU target database. If ** this call returns SQLITE_NOTFOUND, then the RBU vfs is not in use. ** This is an error. */ if( p->rc==SQLITE_OK ){ @@ -193549,10 +198799,10 @@ static void rbuFileSuffix3(const char *zBase, char *z){ } /* -** Return the current wal-index header checksum for the target database +** Return the current wal-index header checksum for the target database ** as a 64-bit integer. ** -** The checksum is store in the first page of xShmMap memory as an 8-byte +** The checksum is store in the first page of xShmMap memory as an 8-byte ** blob starting at byte offset 40. */ static i64 rbuShmChecksum(sqlite3rbu *p){ @@ -193570,11 +198820,11 @@ static i64 rbuShmChecksum(sqlite3rbu *p){ /* ** This function is called as part of initializing or reinitializing an -** incremental checkpoint. +** incremental checkpoint. ** -** It populates the sqlite3rbu.aFrame[] array with the set of -** (wal frame -> db page) copy operations required to checkpoint the -** current wal file, and obtains the set of shm locks required to safely +** It populates the sqlite3rbu.aFrame[] array with the set of +** (wal frame -> db page) copy operations required to checkpoint the +** current wal file, and obtains the set of shm locks required to safely ** perform the copy operations directly on the file-system. ** ** If argument pState is not NULL, then the incremental checkpoint is @@ -193592,7 +198842,7 @@ static void rbuSetupCheckpoint(sqlite3rbu *p, RbuState *pState){ if( pState==0 ){ p->eStage = 0; if( p->rc==SQLITE_OK ){ - p->rc = sqlite3_exec(p->dbMain, "SELECT * FROM sqlite_master", 0, 0, 0); + p->rc = sqlite3_exec(p->dbMain, "SELECT * FROM sqlite_schema", 0, 0, 0); } } @@ -193609,19 +198859,19 @@ static void rbuSetupCheckpoint(sqlite3rbu *p, RbuState *pState){ ** would be read/written are recorded in the sqlite3rbu.aFrame[] ** array. ** - ** * Calls to xShmLock(UNLOCK) to release the exclusive shm WRITER, + ** * Calls to xShmLock(UNLOCK) to release the exclusive shm WRITER, ** READ0 and CHECKPOINT locks taken as part of the checkpoint are ** no-ops. These locks will not be released until the connection ** is closed. ** - ** * Attempting to xSync() the database file causes an SQLITE_INTERNAL + ** * Attempting to xSync() the database file causes an SQLITE_INTERNAL ** error. ** ** As a result, unless an error (i.e. OOM or SQLITE_BUSY) occurs, the ** checkpoint below fails with SQLITE_INTERNAL, and leaves the aFrame[] - ** array populated with a set of (frame -> page) mappings. Because the - ** WRITER, CHECKPOINT and READ0 locks are still held, it is safe to copy - ** data from the wal file into the database file according to the + ** array populated with a set of (frame -> page) mappings. Because the + ** WRITER, CHECKPOINT and READ0 locks are still held, it is safe to copy + ** data from the wal file into the database file according to the ** contents of aFrame[]. */ if( p->rc==SQLITE_OK ){ @@ -193654,9 +198904,9 @@ static void rbuSetupCheckpoint(sqlite3rbu *p, RbuState *pState){ p->nPagePerSector = 1; } - /* Call xSync() on the wal file. This causes SQLite to sync the - ** directory in which the target database and the wal file reside, in - ** case it has not been synced since the rename() call in + /* Call xSync() on the wal file. This causes SQLite to sync the + ** directory in which the target database and the wal file reside, in + ** case it has not been synced since the rename() call in ** rbuMoveOalFile(). */ p->rc = pWal->pMethods->xSync(pWal, SQLITE_SYNC_NORMAL); } @@ -193697,7 +198947,7 @@ static int rbuCaptureWalRead(sqlite3rbu *pRbu, i64 iOff, int iAmt){ /* ** Called when a page of data is written to offset iOff of the database -** file while the rbu handle is in capture mode. Record the page number +** file while the rbu handle is in capture mode. Record the page number ** of the page being written in the aFrame[] array. */ static int rbuCaptureDbWrite(sqlite3rbu *pRbu, i64 iOff){ @@ -193765,7 +199015,7 @@ static LPWSTR rbuWinUtf8ToUnicode(const char *zFilename){ ** The RBU handle is currently in RBU_STAGE_OAL state, with a SHARED lock ** on the database file. This proc moves the *-oal file to the *-wal path, ** then reopens the database file (this time in vanilla, non-oal, WAL mode). -** If an error occurs, leave an error code and error message in the rbu +** If an error occurs, leave an error code and error message in the rbu ** handle. */ static void rbuMoveOalFile(sqlite3rbu *p){ @@ -193787,7 +199037,7 @@ static void rbuMoveOalFile(sqlite3rbu *p){ }else{ /* Move the *-oal file to *-wal. At this point connection p->db is ** holding a SHARED lock on the target database file (because it is - ** in WAL mode). So no other connection may be writing the db. + ** in WAL mode). So no other connection may be writing the db. ** ** In order to ensure that there are no database readers, an EXCLUSIVE ** lock is obtained here before the *-oal is moved to *-wal. @@ -193945,8 +199195,8 @@ static void rbuStepOneOp(sqlite3rbu *p, int eType){ /* If this is an INSERT into a table b-tree and the table has an ** explicit INTEGER PRIMARY KEY, check that this is not an attempt ** to write a NULL into the IPK column. That is not permitted. */ - if( eType==RBU_INSERT - && pIter->zIdx==0 && pIter->eType==RBU_PK_IPK && pIter->abTblPk[i] + if( eType==RBU_INSERT + && pIter->zIdx==0 && pIter->eType==RBU_PK_IPK && pIter->abTblPk[i] && sqlite3_column_type(pIter->pSelect, i)==SQLITE_NULL ){ p->rc = SQLITE_MISMATCH; @@ -193963,18 +199213,18 @@ static void rbuStepOneOp(sqlite3rbu *p, int eType){ if( p->rc ) return; } if( pIter->zIdx==0 ){ - if( pIter->eType==RBU_PK_VTAB - || pIter->eType==RBU_PK_NONE - || (pIter->eType==RBU_PK_EXTERNAL && rbuIsVacuum(p)) + if( pIter->eType==RBU_PK_VTAB + || pIter->eType==RBU_PK_NONE + || (pIter->eType==RBU_PK_EXTERNAL && rbuIsVacuum(p)) ){ - /* For a virtual table, or a table with no primary key, the + /* For a virtual table, or a table with no primary key, the ** SELECT statement is: ** ** SELECT <cols>, rbu_control, rbu_rowid FROM .... ** ** Hence column_value(pIter->nCol+1). */ - assertColumnName(pIter->pSelect, pIter->nCol+1, + assertColumnName(pIter->pSelect, pIter->nCol+1, rbuIsVacuum(p) ? "rowid" : "rbu_rowid" ); pVal = sqlite3_column_value(pIter->pSelect, pIter->nCol+1); @@ -194038,8 +199288,8 @@ static int rbuStep(sqlite3rbu *p){ p->rc = sqlite3_bind_value(pUpdate, i+1, pVal); } } - if( p->rc==SQLITE_OK - && (pIter->eType==RBU_PK_VTAB || pIter->eType==RBU_PK_NONE) + if( p->rc==SQLITE_OK + && (pIter->eType==RBU_PK_VTAB || pIter->eType==RBU_PK_NONE) ){ /* Bind the rbu_rowid value to column _rowid_ */ assertColumnName(pIter->pSelect, pIter->nCol+1, "rbu_rowid"); @@ -194069,7 +199319,7 @@ static void rbuIncrSchemaCookie(sqlite3rbu *p){ int iCookie = 1000000; sqlite3_stmt *pStmt; - p->rc = prepareAndCollectError(dbread, &pStmt, &p->zErrmsg, + p->rc = prepareAndCollectError(dbread, &pStmt, &p->zErrmsg, "PRAGMA schema_version" ); if( p->rc==SQLITE_OK ){ @@ -194101,7 +199351,7 @@ static void rbuSaveState(sqlite3rbu *p, int eStage){ int rc; assert( p->zErrmsg==0 ); - rc = prepareFreeAndCollectError(p->dbRbu, &pInsert, &p->zErrmsg, + rc = prepareFreeAndCollectError(p->dbRbu, &pInsert, &p->zErrmsg, sqlite3_mprintf( "INSERT OR REPLACE INTO %s.rbu_state(k, v) VALUES " "(%d, %d), " @@ -194116,9 +199366,9 @@ static void rbuSaveState(sqlite3rbu *p, int eStage){ "(%d, %Q) ", p->zStateDb, RBU_STATE_STAGE, eStage, - RBU_STATE_TBL, p->objiter.zTbl, - RBU_STATE_IDX, p->objiter.zIdx, - RBU_STATE_ROW, p->nStep, + RBU_STATE_TBL, p->objiter.zTbl, + RBU_STATE_IDX, p->objiter.zIdx, + RBU_STATE_ROW, p->nStep, RBU_STATE_PROGRESS, p->nProgress, RBU_STATE_CKPT, p->iWalCksum, RBU_STATE_COOKIE, (i64)pFd->iCookie, @@ -194139,7 +199389,7 @@ static void rbuSaveState(sqlite3rbu *p, int eStage){ /* -** The second argument passed to this function is the name of a PRAGMA +** The second argument passed to this function is the name of a PRAGMA ** setting - "page_size", "auto_vacuum", "user_version" or "application_id". ** This function executes the following on sqlite3rbu.dbRbu: ** @@ -194158,7 +199408,7 @@ static void rbuSaveState(sqlite3rbu *p, int eStage){ static void rbuCopyPragma(sqlite3rbu *p, const char *zPragma){ if( p->rc==SQLITE_OK ){ sqlite3_stmt *pPragma = 0; - p->rc = prepareFreeAndCollectError(p->dbRbu, &pPragma, &p->zErrmsg, + p->rc = prepareFreeAndCollectError(p->dbRbu, &pPragma, &p->zErrmsg, sqlite3_mprintf("PRAGMA main.%s", zPragma) ); if( p->rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pPragma) ){ @@ -194171,7 +199421,7 @@ static void rbuCopyPragma(sqlite3rbu *p, const char *zPragma){ } /* -** The RBU handle passed as the only argument has just been opened and +** The RBU handle passed as the only argument has just been opened and ** the state database is empty. If this RBU handle was opened for an ** RBU vacuum operation, create the schema in the target db. */ @@ -194182,8 +199432,8 @@ static void rbuCreateTargetSchema(sqlite3rbu *p){ assert( rbuIsVacuum(p) ); p->rc = sqlite3_exec(p->dbMain, "PRAGMA writable_schema=1", 0,0, &p->zErrmsg); if( p->rc==SQLITE_OK ){ - p->rc = prepareAndCollectError(p->dbRbu, &pSql, &p->zErrmsg, - "SELECT sql FROM sqlite_master WHERE sql!='' AND rootpage!=0" + p->rc = prepareAndCollectError(p->dbRbu, &pSql, &p->zErrmsg, + "SELECT sql FROM sqlite_schema WHERE sql!='' AND rootpage!=0" " AND name!='sqlite_sequence' " " ORDER BY type DESC" ); @@ -194197,14 +199447,14 @@ static void rbuCreateTargetSchema(sqlite3rbu *p){ if( p->rc!=SQLITE_OK ) return; if( p->rc==SQLITE_OK ){ - p->rc = prepareAndCollectError(p->dbRbu, &pSql, &p->zErrmsg, - "SELECT * FROM sqlite_master WHERE rootpage=0 OR rootpage IS NULL" + p->rc = prepareAndCollectError(p->dbRbu, &pSql, &p->zErrmsg, + "SELECT * FROM sqlite_schema WHERE rootpage=0 OR rootpage IS NULL" ); } if( p->rc==SQLITE_OK ){ - p->rc = prepareAndCollectError(p->dbMain, &pInsert, &p->zErrmsg, - "INSERT INTO sqlite_master VALUES(?,?,?,?,?)" + p->rc = prepareAndCollectError(p->dbMain, &pInsert, &p->zErrmsg, + "INSERT INTO sqlite_schema VALUES(?,?,?,?,?)" ); } @@ -194244,11 +199494,11 @@ SQLITE_API int sqlite3rbu_step(sqlite3rbu *p){ while( p->rc==SQLITE_OK && pIter->zTbl ){ if( pIter->bCleanup ){ - /* Clean up the rbu_tmp_xxx table for the previous table. It + /* Clean up the rbu_tmp_xxx table for the previous table. It ** cannot be dropped as there are currently active SQL statements. ** But the contents can be deleted. */ if( rbuIsVacuum(p)==0 && pIter->abIndexed ){ - rbuMPrintfExec(p, p->dbRbu, + rbuMPrintfExec(p, p->dbRbu, "DELETE FROM %s.'rbu_tmp_%q'", p->zStateDb, pIter->zDataTbl ); } @@ -194298,10 +199548,10 @@ SQLITE_API int sqlite3rbu_step(sqlite3rbu *p){ if( p->rc==SQLITE_OK ){ if( p->nStep>=p->nFrame ){ sqlite3_file *pDb = p->pTargetFd->pReal; - + /* Sync the db file */ p->rc = pDb->pMethods->xSync(pDb, SQLITE_SYNC_NORMAL); - + /* Update nBackfill */ if( p->rc==SQLITE_OK ){ void volatile *ptr; @@ -194310,7 +199560,7 @@ SQLITE_API int sqlite3rbu_step(sqlite3rbu *p){ ((u32 volatile*)ptr)[24] = p->iMaxFrame; } } - + if( p->rc==SQLITE_OK ){ p->eStage = RBU_STAGE_DONE; p->rc = SQLITE_DONE; @@ -194318,7 +199568,7 @@ SQLITE_API int sqlite3rbu_step(sqlite3rbu *p){ }else{ /* At one point the following block copied a single frame from the ** wal file to the database file. So that one call to sqlite3rbu_step() - ** checkpointed a single frame. + ** checkpointed a single frame. ** ** However, if the sector-size is larger than the page-size, and the ** application calls sqlite3rbu_savestate() or close() immediately @@ -194332,7 +199582,7 @@ SQLITE_API int sqlite3rbu_step(sqlite3rbu *p){ iSector = (pFrame->iDbPage-1) / p->nPagePerSector; rbuCheckpointFrame(p, pFrame); p->nStep++; - }while( p->nStep<p->nFrame + }while( p->nStep<p->nFrame && iSector==((p->aFrame[p->nStep].iDbPage-1) / p->nPagePerSector) && p->rc==SQLITE_OK ); @@ -194378,7 +199628,7 @@ static void rbuSetupOal(sqlite3rbu *p, RbuState *pState){ RbuObjIter *pIter = &p->objiter; int rc = SQLITE_OK; - while( rc==SQLITE_OK && pIter->zTbl && (pIter->bCleanup + while( rc==SQLITE_OK && pIter->zTbl && (pIter->bCleanup || rbuStrCompare(pIter->zIdx, pState->zIdx) || (pState->zDataTbl==0 && rbuStrCompare(pIter->zTbl, pState->zTbl)) || (pState->zDataTbl && rbuStrCompare(pIter->zDataTbl, pState->zDataTbl)) @@ -194454,7 +199704,7 @@ static void rbuDeleteVfs(sqlite3rbu *p){ ** the number of auxilliary indexes on the table. */ static void rbuIndexCntFunc( - sqlite3_context *pCtx, + sqlite3_context *pCtx, int nVal, sqlite3_value **apVal ){ @@ -194465,9 +199715,9 @@ static void rbuIndexCntFunc( sqlite3 *db = (rbuIsVacuum(p) ? p->dbRbu : p->dbMain); assert( nVal==1 ); - - rc = prepareFreeAndCollectError(db, &pStmt, &zErrmsg, - sqlite3_mprintf("SELECT count(*) FROM sqlite_master " + + rc = prepareFreeAndCollectError(db, &pStmt, &zErrmsg, + sqlite3_mprintf("SELECT count(*) FROM sqlite_schema " "WHERE type='index' AND tbl_name = %Q", sqlite3_value_text(apVal[0])) ); if( rc!=SQLITE_OK ){ @@ -194500,7 +199750,7 @@ static void rbuIndexCntFunc( ** and the cnt column the number of rows it contains. ** ** sqlite3rbu.nPhaseOneStep is initialized to the sum of (1 + nIndex) * cnt -** for all rows in the rbu_count table, where nIndex is the number of +** for all rows in the rbu_count table, where nIndex is the number of ** indexes on the corresponding target database table. */ static void rbuInitPhaseOneSteps(sqlite3rbu *p){ @@ -194510,15 +199760,15 @@ static void rbuInitPhaseOneSteps(sqlite3rbu *p){ p->nPhaseOneStep = -1; - p->rc = sqlite3_create_function(p->dbRbu, + p->rc = sqlite3_create_function(p->dbRbu, "rbu_index_cnt", 1, SQLITE_UTF8, (void*)p, rbuIndexCntFunc, 0, 0 ); - + /* Check for the rbu_count table. If it does not exist, or if an error ** occurs, nPhaseOneStep will be left set to -1. */ if( p->rc==SQLITE_OK ){ p->rc = prepareAndCollectError(p->dbRbu, &pStmt, &p->zErrmsg, - "SELECT 1 FROM sqlite_master WHERE tbl_name = 'rbu_count'" + "SELECT 1 FROM sqlite_schema WHERE tbl_name = 'rbu_count'" ); } if( p->rc==SQLITE_OK ){ @@ -194527,7 +199777,7 @@ static void rbuInitPhaseOneSteps(sqlite3rbu *p){ } p->rc = sqlite3_finalize(pStmt); } - + if( p->rc==SQLITE_OK && bExists ){ p->rc = prepareAndCollectError(p->dbRbu, &pStmt, &p->zErrmsg, "SELECT sum(cnt * (1 + rbu_index_cnt(rbu_target_name(tbl))))" @@ -194545,7 +199795,7 @@ static void rbuInitPhaseOneSteps(sqlite3rbu *p){ static sqlite3rbu *openRbuHandle( - const char *zTarget, + const char *zTarget, const char *zRbu, const char *zState ){ @@ -194583,7 +199833,7 @@ static sqlite3rbu *openRbuHandle( ** to be a wal-mode db. But, this may have happened due to an earlier ** RBU vacuum operation leaving an old wal file in the directory. ** If this is the case, it will have been checkpointed and deleted - ** when the handle was closed and a second attempt to open the + ** when the handle was closed and a second attempt to open the ** database may succeed. */ rbuOpenDatabase(p, &bRetry); if( bRetry ){ @@ -194596,7 +199846,7 @@ static sqlite3rbu *openRbuHandle( assert( pState || p->rc!=SQLITE_OK ); if( p->rc==SQLITE_OK ){ - if( pState->eStage==0 ){ + if( pState->eStage==0 ){ rbuDeleteOalFile(p); rbuInitPhaseOneSteps(p); p->eStage = RBU_STAGE_OAL; @@ -194620,15 +199870,15 @@ static sqlite3rbu *openRbuHandle( } } - if( p->rc==SQLITE_OK + if( p->rc==SQLITE_OK && (p->eStage==RBU_STAGE_OAL || p->eStage==RBU_STAGE_MOVE) && pState->eStage!=0 ){ rbu_file *pFd = (rbuIsVacuum(p) ? p->pRbuFd : p->pTargetFd); - if( pFd->iCookie!=pState->iCookie ){ + if( pFd->iCookie!=pState->iCookie ){ /* At this point (pTargetFd->iCookie) contains the value of the - ** change-counter cookie (the thing that gets incremented when a - ** transaction is committed in rollback mode) currently stored on + ** change-counter cookie (the thing that gets incremented when a + ** transaction is committed in rollback mode) currently stored on ** page 1 of the database file. */ p->rc = SQLITE_BUSY; p->zErrmsg = sqlite3_mprintf("database modified during rbu %s", @@ -194665,7 +199915,7 @@ static sqlite3rbu *openRbuHandle( } /* Check if the main database is a zipvfs db. If it is, set the upper - ** level pager to use "journal_mode=off". This prevents it from + ** level pager to use "journal_mode=off". This prevents it from ** generating a large journal using a temp file. */ if( p->rc==SQLITE_OK ){ int frc = sqlite3_file_control(db, "main", SQLITE_FCNTL_ZIPVFS, 0); @@ -194711,10 +199961,10 @@ static sqlite3rbu *rbuMisuseError(void){ } /* -** Open and return a new RBU handle. +** Open and return a new RBU handle. */ SQLITE_API sqlite3rbu *sqlite3rbu_open( - const char *zTarget, + const char *zTarget, const char *zRbu, const char *zState ){ @@ -194727,7 +199977,7 @@ SQLITE_API sqlite3rbu *sqlite3rbu_open( ** Open a handle to begin or resume an RBU VACUUM operation. */ SQLITE_API sqlite3rbu *sqlite3rbu_vacuum( - const char *zTarget, + const char *zTarget, const char *zState ){ if( zTarget==0 ){ return rbuMisuseError(); } @@ -194801,8 +200051,8 @@ SQLITE_API int sqlite3rbu_close(sqlite3rbu *p, char **pzErrmsg){ rbuObjIterFinalize(&p->objiter); /* If this is an RBU vacuum handle and the vacuum has either finished - ** successfully or encountered an error, delete the contents of the - ** state table. This causes the next call to sqlite3rbu_vacuum() + ** successfully or encountered an error, delete the contents of the + ** state table. This causes the next call to sqlite3rbu_vacuum() ** specifying the current target and state databases to start a new ** vacuum from scratch. */ if( rbuIsVacuum(p) && p->rc!=SQLITE_OK && p->dbRbu ){ @@ -194835,7 +200085,7 @@ SQLITE_API int sqlite3rbu_close(sqlite3rbu *p, char **pzErrmsg){ } /* -** Return the total number of key-value operations (inserts, deletes or +** Return the total number of key-value operations (inserts, deletes or ** updates) that have been performed on the target database since the ** current RBU update was started. */ @@ -194933,7 +200183,7 @@ SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *p){ if( p->eStage==RBU_STAGE_OAL ){ assert( rc!=SQLITE_DONE ); if( rc==SQLITE_OK ) rc = sqlite3_exec(p->dbRbu, "COMMIT", 0, 0, 0); - if( rc==SQLITE_OK ){ + if( rc==SQLITE_OK ){ const char *zBegin = rbuIsVacuum(p) ? "BEGIN" : "BEGIN IMMEDIATE"; rc = sqlite3_exec(p->dbRbu, zBegin, 0, 0, 0); } @@ -194948,7 +200198,7 @@ SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *p){ ** Beginning of RBU VFS shim methods. The VFS shim modifies the behaviour ** of a standard VFS in the following ways: ** -** 1. Whenever the first page of a main database file is read or +** 1. Whenever the first page of a main database file is read or ** written, the value of the change-counter cookie is stored in ** rbu_file.iCookie. Similarly, the value of the "write-version" ** database header field is stored in rbu_file.iWriteVer. This ensures @@ -194956,15 +200206,15 @@ SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *p){ ** ** 2. Whenever an SQLITE_OPEN_WAL file is opened, the (rbu_file.pWalFd) ** member variable of the associated database file descriptor is set -** to point to the new file. A mutex protected linked list of all main -** db fds opened using a particular RBU VFS is maintained at +** to point to the new file. A mutex protected linked list of all main +** db fds opened using a particular RBU VFS is maintained at ** rbu_vfs.pMain to facilitate this. ** -** 3. Using a new file-control "SQLITE_FCNTL_RBU", a main db rbu_file +** 3. Using a new file-control "SQLITE_FCNTL_RBU", a main db rbu_file ** object can be marked as the target database of an RBU update. This ** turns on the following extra special behaviour: ** -** 3a. If xAccess() is called to check if there exists a *-wal file +** 3a. If xAccess() is called to check if there exists a *-wal file ** associated with an RBU target database currently in RBU_STAGE_OAL ** stage (preparing the *-oal file), the following special handling ** applies: @@ -194977,26 +200227,26 @@ SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *p){ ** ** Then, when xOpen() is called to open the *-wal file associated with ** the RBU target in RBU_STAGE_OAL stage, instead of opening the *-wal -** file, the rbu vfs opens the corresponding *-oal file instead. +** file, the rbu vfs opens the corresponding *-oal file instead. ** ** 3b. The *-shm pages returned by xShmMap() for a target db file in ** RBU_STAGE_OAL mode are actually stored in heap memory. This is to ** avoid creating a *-shm file on disk. Additionally, xShmLock() calls ** are no-ops on target database files in RBU_STAGE_OAL mode. This is -** because assert() statements in some VFS implementations fail if +** because assert() statements in some VFS implementations fail if ** xShmLock() is called before xShmMap(). ** ** 3c. If an EXCLUSIVE lock is attempted on a target database file in any -** mode except RBU_STAGE_DONE (all work completed and checkpointed), it +** mode except RBU_STAGE_DONE (all work completed and checkpointed), it ** fails with an SQLITE_BUSY error. This is to stop RBU connections ** from automatically checkpointing a *-wal (or *-oal) file from within ** sqlite3_close(). ** ** 3d. In RBU_STAGE_CAPTURE mode, all xRead() calls on the wal file, and -** all xWrite() calls on the target database file perform no IO. +** all xWrite() calls on the target database file perform no IO. ** Instead the frame and page numbers that would be read and written ** are recorded. Additionally, successful attempts to obtain exclusive -** xShmLock() WRITER, CHECKPOINTER and READ0 locks on the target +** xShmLock() WRITER, CHECKPOINTER and READ0 locks on the target ** database file are recorded. xShmLock() calls to unlock the same ** locks are no-ops (so that once obtained, these locks are never ** relinquished). Finally, calls to xSync() on the target database @@ -195072,7 +200322,7 @@ static void rbuMainlistRemove(rbu_file *p){ } /* -** Given that zWal points to a buffer containing a wal file name passed to +** Given that zWal points to a buffer containing a wal file name passed to ** either the xOpen() or xAccess() VFS method, search the main-db list for ** a file-handle opened by the same database connection on the corresponding ** database file. @@ -195125,7 +200375,7 @@ static int rbuVfsClose(sqlite3_file *pFile){ /* -** Read and return an unsigned 32-bit big-endian integer from the buffer +** Read and return an unsigned 32-bit big-endian integer from the buffer ** passed as the only argument. */ static u32 rbuGetU32(u8 *aBuf){ @@ -195155,9 +200405,9 @@ static void rbuPutU16(u8 *aBuf, u16 iVal){ ** Read data from an rbuVfs-file. */ static int rbuVfsRead( - sqlite3_file *pFile, - void *zBuf, - int iAmt, + sqlite3_file *pFile, + void *zBuf, + int iAmt, sqlite_int64 iOfst ){ rbu_file *p = (rbu_file*)pFile; @@ -195168,20 +200418,20 @@ static int rbuVfsRead( assert( p->openFlags & SQLITE_OPEN_WAL ); rc = rbuCaptureWalRead(p->pRbu, iOfst, iAmt); }else{ - if( pRbu && pRbu->eStage==RBU_STAGE_OAL - && (p->openFlags & SQLITE_OPEN_WAL) - && iOfst>=pRbu->iOalSz + if( pRbu && pRbu->eStage==RBU_STAGE_OAL + && (p->openFlags & SQLITE_OPEN_WAL) + && iOfst>=pRbu->iOalSz ){ rc = SQLITE_OK; memset(zBuf, 0, iAmt); }else{ rc = p->pReal->pMethods->xRead(p->pReal, zBuf, iAmt, iOfst); #if 1 - /* If this is being called to read the first page of the target - ** database as part of an rbu vacuum operation, synthesize the + /* If this is being called to read the first page of the target + ** database as part of an rbu vacuum operation, synthesize the ** contents of the first page if it does not yet exist. Otherwise, ** SQLite will not check for a *-wal file. */ - if( pRbu && rbuIsVacuum(pRbu) + if( pRbu && rbuIsVacuum(pRbu) && rc==SQLITE_IOERR_SHORT_READ && iOfst==0 && (p->openFlags & SQLITE_OPEN_MAIN_DB) && pRbu->rc==SQLITE_OK @@ -195221,9 +200471,9 @@ static int rbuVfsRead( ** Write data to an rbuVfs-file. */ static int rbuVfsWrite( - sqlite3_file *pFile, - const void *zBuf, - int iAmt, + sqlite3_file *pFile, + const void *zBuf, + int iAmt, sqlite_int64 iOfst ){ rbu_file *p = (rbu_file*)pFile; @@ -195235,8 +200485,8 @@ static int rbuVfsWrite( rc = rbuCaptureDbWrite(p->pRbu, iOfst); }else{ if( pRbu ){ - if( pRbu->eStage==RBU_STAGE_OAL - && (p->openFlags & SQLITE_OPEN_WAL) + if( pRbu->eStage==RBU_STAGE_OAL + && (p->openFlags & SQLITE_OPEN_WAL) && iOfst>=pRbu->iOalSz ){ pRbu->iOalSz = iAmt + iOfst; @@ -195296,10 +200546,10 @@ static int rbuVfsFileSize(sqlite3_file *pFile, sqlite_int64 *pSize){ /* If this is an RBU vacuum operation and this is the target database, ** pretend that it has at least one page. Otherwise, SQLite will not - ** check for the existance of a *-wal file. rbuVfsRead() contains + ** check for the existance of a *-wal file. rbuVfsRead() contains ** similar logic. */ - if( rc==SQLITE_OK && *pSize==0 - && p->pRbu && rbuIsVacuum(p->pRbu) + if( rc==SQLITE_OK && *pSize==0 + && p->pRbu && rbuIsVacuum(p->pRbu) && (p->openFlags & SQLITE_OPEN_MAIN_DB) ){ *pSize = 1024; @@ -195316,10 +200566,10 @@ static int rbuVfsLock(sqlite3_file *pFile, int eLock){ int rc = SQLITE_OK; assert( p->openFlags & (SQLITE_OPEN_MAIN_DB|SQLITE_OPEN_TEMP_DB) ); - if( eLock==SQLITE_LOCK_EXCLUSIVE + if( eLock==SQLITE_LOCK_EXCLUSIVE && (p->bNolock || (pRbu && pRbu->eStage!=RBU_STAGE_DONE)) ){ - /* Do not allow EXCLUSIVE locks. Preventing SQLite from taking this + /* Do not allow EXCLUSIVE locks. Preventing SQLite from taking this ** prevents it from checkpointing the database from sqlite3_close(). */ rc = SQLITE_BUSY; }else{ @@ -195432,8 +200682,8 @@ static int rbuVfsShmLock(sqlite3_file *pFile, int ofst, int n, int flags){ assert( p->openFlags & (SQLITE_OPEN_MAIN_DB|SQLITE_OPEN_TEMP_DB) ); if( pRbu && (pRbu->eStage==RBU_STAGE_OAL || pRbu->eStage==RBU_STAGE_MOVE) ){ /* Magic number 1 is the WAL_CKPT_LOCK lock. Preventing SQLite from - ** taking this lock also prevents any checkpoints from occurring. - ** todo: really, it's not clear why this might occur, as + ** taking this lock also prevents any checkpoints from occurring. + ** todo: really, it's not clear why this might occur, as ** wal_autocheckpoint ought to be turned off. */ if( ofst==WAL_LOCK_CKPT && n==1 ) rc = SQLITE_BUSY; }else{ @@ -195457,10 +200707,10 @@ static int rbuVfsShmLock(sqlite3_file *pFile, int ofst, int n, int flags){ ** Obtain a pointer to a mapping of a single 32KiB page of the *-shm file. */ static int rbuVfsShmMap( - sqlite3_file *pFile, - int iRegion, - int szRegion, - int isWrite, + sqlite3_file *pFile, + int iRegion, + int szRegion, + int isWrite, void volatile **pp ){ rbu_file *p = (rbu_file*)pFile; @@ -195468,7 +200718,7 @@ static int rbuVfsShmMap( int eStage = (p->pRbu ? p->pRbu->eStage : 0); /* If not in RBU_STAGE_OAL, allow this call to pass through. Or, if this - ** rbu is in the RBU_STAGE_OAL state, use heap memory for *-shm space + ** rbu is in the RBU_STAGE_OAL state, use heap memory for *-shm space ** instead of a file on disk. */ assert( p->openFlags & (SQLITE_OPEN_MAIN_DB|SQLITE_OPEN_TEMP_DB) ); if( eStage==RBU_STAGE_OAL ){ @@ -195538,33 +200788,6 @@ static int rbuVfsShmUnmap(sqlite3_file *pFile, int delFlag){ return rc; } -/* -** A main database named zName has just been opened. The following -** function returns a pointer to a buffer owned by SQLite that contains -** the name of the *-wal file this db connection will use. SQLite -** happens to pass a pointer to this buffer when using xAccess() -** or xOpen() to operate on the *-wal file. -*/ -static const char *rbuMainToWal(const char *zName, int flags){ - int n = (int)strlen(zName); - const char *z = &zName[n]; - if( flags & SQLITE_OPEN_URI ){ - int odd = 0; - while( 1 ){ - if( z[0]==0 ){ - odd = 1 - odd; - if( odd && z[1]==0 ) break; - } - z++; - } - z += 2; - }else{ - while( *z==0 ) z++; - } - z += (n + 8 + 1); - return z; -} - /* ** Open an rbu file handle. */ @@ -195613,7 +200836,7 @@ static int rbuVfsOpen( ** the name of the *-wal file this db connection will use. SQLite ** happens to pass a pointer to this buffer when using xAccess() ** or xOpen() to operate on the *-wal file. */ - pFd->zWal = rbuMainToWal(zName, flags); + pFd->zWal = sqlite3_filename_wal(zName); } else if( flags & SQLITE_OPEN_WAL ){ rbu_file *pDb = rbuFindMaindb(pRbuVfs, zName, 0); @@ -195621,14 +200844,14 @@ static int rbuVfsOpen( if( pDb->pRbu && pDb->pRbu->eStage==RBU_STAGE_OAL ){ /* This call is to open a *-wal file. Intead, open the *-oal. This ** code ensures that the string passed to xOpen() is terminated by a - ** pair of '\0' bytes in case the VFS attempts to extract a URI + ** pair of '\0' bytes in case the VFS attempts to extract a URI ** parameter from it. */ const char *zBase = zName; size_t nCopy; char *zCopy; if( rbuIsVacuum(pDb->pRbu) ){ zBase = sqlite3_db_filename(pDb->pRbu->dbRbu, "main"); - zBase = rbuMainToWal(zBase, SQLITE_OPEN_URI); + zBase = sqlite3_filename_wal(zBase); } nCopy = strlen(zBase); zCopy = sqlite3_malloc64(nCopy+2); @@ -195650,8 +200873,8 @@ static int rbuVfsOpen( pFd->pRbu = pRbuVfs->pRbu; } - if( oflags & SQLITE_OPEN_MAIN_DB - && sqlite3_uri_boolean(zName, "rbu_memory", 0) + if( oflags & SQLITE_OPEN_MAIN_DB + && sqlite3_uri_boolean(zName, "rbu_memory", 0) ){ assert( oflags & SQLITE_OPEN_MAIN_DB ); oflags = SQLITE_OPEN_TEMP_DB | SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | @@ -195690,9 +200913,9 @@ static int rbuVfsDelete(sqlite3_vfs *pVfs, const char *zPath, int dirSync){ ** is available, or false otherwise. */ static int rbuVfsAccess( - sqlite3_vfs *pVfs, - const char *zPath, - int flags, + sqlite3_vfs *pVfs, + const char *zPath, + int flags, int *pResOut ){ rbu_vfs *pRbuVfs = (rbu_vfs*)pVfs; @@ -195708,7 +200931,7 @@ static int rbuVfsAccess( ** a) if the *-wal file does exist, return SQLITE_CANTOPEN. This ** ensures that the RBU extension never tries to update a database ** in wal mode, even if the first page of the database file has - ** been damaged. + ** been damaged. ** ** b) if the *-wal file does not exist, claim that it does anyway, ** causing SQLite to call xOpen() to open it. This call will also @@ -195738,9 +200961,9 @@ static int rbuVfsAccess( ** of at least (DEVSYM_MAX_PATHNAME+1) bytes. */ static int rbuVfsFullPathname( - sqlite3_vfs *pVfs, - const char *zPath, - int nOut, + sqlite3_vfs *pVfs, + const char *zPath, + int nOut, char *zOut ){ sqlite3_vfs *pRealVfs = ((rbu_vfs*)pVfs)->pRealVfs; @@ -195758,7 +200981,7 @@ static void *rbuVfsDlOpen(sqlite3_vfs *pVfs, const char *zPath){ /* ** Populate the buffer zErrMsg (size nByte bytes) with a human readable -** utf-8 string describing the most recent error encountered associated +** utf-8 string describing the most recent error encountered associated ** with dynamic libraries. */ static void rbuVfsDlError(sqlite3_vfs *pVfs, int nByte, char *zErrMsg){ @@ -195770,8 +200993,8 @@ static void rbuVfsDlError(sqlite3_vfs *pVfs, int nByte, char *zErrMsg){ ** Return a pointer to the symbol zSymbol in the dynamic library pHandle. */ static void (*rbuVfsDlSym( - sqlite3_vfs *pVfs, - void *pArg, + sqlite3_vfs *pVfs, + void *pArg, const char *zSym ))(void){ sqlite3_vfs *pRealVfs = ((rbu_vfs*)pVfs)->pRealVfs; @@ -195788,7 +201011,7 @@ static void rbuVfsDlClose(sqlite3_vfs *pVfs, void *pHandle){ #endif /* SQLITE_OMIT_LOAD_EXTENSION */ /* -** Populate the buffer pointed to by zBufOut with nByte bytes of +** Populate the buffer pointed to by zBufOut with nByte bytes of ** random data. */ static int rbuVfsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){ @@ -195797,7 +201020,7 @@ static int rbuVfsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){ } /* -** Sleep for nMicro microseconds. Return the number of microseconds +** Sleep for nMicro microseconds. Return the number of microseconds ** actually slept. */ static int rbuVfsSleep(sqlite3_vfs *pVfs, int nMicro){ @@ -195948,7 +201171,7 @@ SQLITE_API sqlite3_int64 sqlite3rbu_temp_size(sqlite3rbu *pRbu){ ** ** This file contains an implementation of the "dbstat" virtual table. ** -** The dbstat virtual table is used to extract low-level formatting +** The dbstat virtual table is used to extract low-level storage ** information from an SQLite database in order to implement the ** "sqlite3_analyzer" utility. See the ../tool/spaceanal.tcl script ** for an example implementation. @@ -195963,22 +201186,22 @@ SQLITE_API sqlite3_int64 sqlite3rbu_temp_size(sqlite3rbu *pRbu){ /* ** Page paths: -** -** The value of the 'path' column describes the path taken from the -** root-node of the b-tree structure to each page. The value of the +** +** The value of the 'path' column describes the path taken from the +** root-node of the b-tree structure to each page. The value of the ** root-node path is '/'. ** ** The value of the path for the left-most child page of the root of ** a b-tree is '/000/'. (Btrees store content ordered from left to right ** so the pages to the left have smaller keys than the pages to the right.) ** The next to left-most child of the root page is -** '/001', and so on, each sibling page identified by a 3-digit hex +** '/001', and so on, each sibling page identified by a 3-digit hex ** value. The children of the 451st left-most sibling have paths such ** as '/1c2/000/, '/1c2/001/' etc. ** -** Overflow pages are specified by appending a '+' character and a +** Overflow pages are specified by appending a '+' character and a ** six-digit hexadecimal value to the path to the cell they are linked -** from. For example, the three overflow pages in a chain linked from +** from. For example, the three overflow pages in a chain linked from ** the left-most cell of the 450th child of the root page are identified ** by the paths: ** @@ -195992,27 +201215,30 @@ SQLITE_API sqlite3_int64 sqlite3rbu_temp_size(sqlite3rbu *pRbu){ ** ** '/1c2/000/' // Left-most child of 451st child of root */ -#define VTAB_SCHEMA \ - "CREATE TABLE xx( " \ - " name TEXT, /* Name of table or index */" \ - " path TEXT, /* Path to page from root */" \ - " pageno INTEGER, /* Page number */" \ - " pagetype TEXT, /* 'internal', 'leaf' or 'overflow' */" \ - " ncell INTEGER, /* Cells on page (0 for overflow) */" \ - " payload INTEGER, /* Bytes of payload on this page */" \ - " unused INTEGER, /* Bytes of unused space on this page */" \ - " mx_payload INTEGER, /* Largest payload size of all cells */" \ - " pgoffset INTEGER, /* Offset of page in file */" \ - " pgsize INTEGER, /* Size of the page */" \ - " schema TEXT HIDDEN /* Database schema being analyzed */" \ - ");" - - +static const char zDbstatSchema[] = + "CREATE TABLE x(" + " name TEXT," /* 0 Name of table or index */ + " path TEXT," /* 1 Path to page from root (NULL for agg) */ + " pageno INTEGER," /* 2 Page number (page count for aggregates) */ + " pagetype TEXT," /* 3 'internal', 'leaf', 'overflow', or NULL */ + " ncell INTEGER," /* 4 Cells on page (0 for overflow) */ + " payload INTEGER," /* 5 Bytes of payload on this page */ + " unused INTEGER," /* 6 Bytes of unused space on this page */ + " mx_payload INTEGER," /* 7 Largest payload size of all cells */ + " pgoffset INTEGER," /* 8 Offset of page in file (NULL for agg) */ + " pgsize INTEGER," /* 9 Size of the page (sum for aggregate) */ + " schema TEXT HIDDEN," /* 10 Database schema being analyzed */ + " aggregate BOOLEAN HIDDEN" /* 11 aggregate info for each table */ + ")" +; + +/* Forward reference to data structured used in this module */ typedef struct StatTable StatTable; typedef struct StatCursor StatCursor; typedef struct StatPage StatPage; typedef struct StatCell StatCell; +/* Size information for a single cell within a btree page */ struct StatCell { int nLocal; /* Bytes of local payload */ u32 iChildPg; /* Child node (or 0 if this is a leaf) */ @@ -196022,10 +201248,11 @@ struct StatCell { int iOvfl; /* Iterates through aOvfl[] */ }; +/* Size information for a single btree page */ struct StatPage { - u32 iPgno; - DbPage *pPg; - int iCell; + u32 iPgno; /* Page number */ + DbPage *pPg; /* Page content */ + int iCell; /* Current cell */ char *zPath; /* Path to this page */ @@ -196035,34 +201262,38 @@ struct StatPage { int nUnused; /* Number of unused bytes on page */ StatCell *aCell; /* Array of parsed cells */ u32 iRightChildPg; /* Right-child page number (or 0) */ - int nMxPayload; /* Largest payload of any cell on this page */ + int nMxPayload; /* Largest payload of any cell on the page */ }; +/* The cursor for scanning the dbstat virtual table */ struct StatCursor { - sqlite3_vtab_cursor base; + sqlite3_vtab_cursor base; /* base class. MUST BE FIRST! */ sqlite3_stmt *pStmt; /* Iterates through set of root pages */ - int isEof; /* After pStmt has returned SQLITE_DONE */ + u8 isEof; /* After pStmt has returned SQLITE_DONE */ + u8 isAgg; /* Aggregate results for each table */ int iDb; /* Schema used for this query */ - StatPage aPage[32]; + StatPage aPage[32]; /* Pages in path to current page */ int iPage; /* Current entry in aPage[] */ /* Values to return. */ + u32 iPageno; /* Value of 'pageno' column */ char *zName; /* Value of 'name' column */ char *zPath; /* Value of 'path' column */ - u32 iPageno; /* Value of 'pageno' column */ char *zPagetype; /* Value of 'pagetype' column */ + int nPage; /* Number of pages in current btree */ int nCell; /* Value of 'ncell' column */ - int nPayload; /* Value of 'payload' column */ - int nUnused; /* Value of 'unused' column */ int nMxPayload; /* Value of 'mx_payload' column */ + i64 nUnused; /* Value of 'unused' column */ + i64 nPayload; /* Value of 'payload' column */ i64 iOffset; /* Value of 'pgOffset' column */ - int szPage; /* Value of 'pgSize' column */ + i64 szPage; /* Value of 'pgSize' column */ }; +/* An instance of the DBSTAT virtual table */ struct StatTable { - sqlite3_vtab base; - sqlite3 *db; + sqlite3_vtab base; /* base class. MUST BE FIRST! */ + sqlite3 *db; /* Database connection that owns this vtab */ int iDb; /* Index of database to analyze */ }; @@ -196071,7 +201302,7 @@ struct StatTable { #endif /* -** Connect to or create a statvfs virtual table. +** Connect to or create a new DBSTAT virtual table. */ static int statConnect( sqlite3 *db, @@ -196095,7 +201326,8 @@ static int statConnect( }else{ iDb = 0; } - rc = sqlite3_declare_vtab(db, VTAB_SCHEMA); + sqlite3_vtab_config(db, SQLITE_VTAB_DIRECTONLY); + rc = sqlite3_declare_vtab(db, zDbstatSchema); if( rc==SQLITE_OK ){ pTab = (StatTable *)sqlite3_malloc64(sizeof(StatTable)); if( pTab==0 ) rc = SQLITE_NOMEM_BKPT; @@ -196113,7 +201345,7 @@ static int statConnect( } /* -** Disconnect from or destroy a statvfs virtual table. +** Disconnect from or destroy the DBSTAT virtual table. */ static int statDisconnect(sqlite3_vtab *pVtab){ sqlite3_free(pVtab); @@ -196121,14 +201353,20 @@ static int statDisconnect(sqlite3_vtab *pVtab){ } /* -** There is no "best-index". This virtual table always does a linear -** scan. However, a schema=? constraint should cause this table to -** operate on a different database schema, so check for it. +** Compute the best query strategy and return the result in idxNum. ** -** idxNum is normally 0, but will be 1 if a schema=? constraint exists. +** idxNum-Bit Meaning +** ---------- ---------------------------------------------- +** 0x01 There is a schema=? term in the WHERE clause +** 0x02 There is a name=? term in the WHERE clause +** 0x04 There is an aggregate=? term in the WHERE clause +** 0x08 Output should be ordered by name and path */ static int statBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int i; + int iSchema = -1; + int iName = -1; + int iAgg = -1; /* Look for a valid schema=? constraint. If found, change the idxNum to ** 1 and request the value of that constraint be sent to xFilter. And @@ -196136,19 +201374,44 @@ static int statBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ ** used. */ for(i=0; i<pIdxInfo->nConstraint; i++){ - if( pIdxInfo->aConstraint[i].iColumn!=10 ) continue; - if( pIdxInfo->aConstraint[i].usable==0 ) return SQLITE_CONSTRAINT; if( pIdxInfo->aConstraint[i].op!=SQLITE_INDEX_CONSTRAINT_EQ ) continue; - pIdxInfo->idxNum = 1; - pIdxInfo->estimatedCost = 1.0; - pIdxInfo->aConstraintUsage[i].argvIndex = 1; - pIdxInfo->aConstraintUsage[i].omit = 1; - break; + if( pIdxInfo->aConstraint[i].usable==0 ){ + /* Force DBSTAT table should always be the right-most table in a join */ + return SQLITE_CONSTRAINT; + } + switch( pIdxInfo->aConstraint[i].iColumn ){ + case 0: { /* name */ + iName = i; + break; + } + case 10: { /* schema */ + iSchema = i; + break; + } + case 11: { /* aggregate */ + iAgg = i; + break; + } + } } + i = 0; + if( iSchema>=0 ){ + pIdxInfo->aConstraintUsage[iSchema].argvIndex = ++i; + pIdxInfo->aConstraintUsage[iSchema].omit = 1; + pIdxInfo->idxNum |= 0x01; + } + if( iName>=0 ){ + pIdxInfo->aConstraintUsage[iName].argvIndex = ++i; + pIdxInfo->idxNum |= 0x02; + } + if( iAgg>=0 ){ + pIdxInfo->aConstraintUsage[iAgg].argvIndex = ++i; + pIdxInfo->idxNum |= 0x04; + } + pIdxInfo->estimatedCost = 1.0; - - /* Records are always returned in ascending order of (name, path). - ** If this will satisfy the client, set the orderByConsumed flag so that + /* Records are always returned in ascending order of (name, path). + ** If this will satisfy the client, set the orderByConsumed flag so that ** SQLite does not do an external sort. */ if( ( pIdxInfo->nOrderBy==1 @@ -196163,13 +201426,14 @@ static int statBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ ) ){ pIdxInfo->orderByConsumed = 1; + pIdxInfo->idxNum |= 0x08; } return SQLITE_OK; } /* -** Open a new statvfs cursor. +** Open a new DBSTAT cursor. */ static int statOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){ StatTable *pTab = (StatTable *)pVTab; @@ -196219,8 +201483,18 @@ static void statResetCsr(StatCursor *pCsr){ pCsr->isEof = 0; } +/* Resize the space-used counters inside of the cursor */ +static void statResetCounts(StatCursor *pCsr){ + pCsr->nCell = 0; + pCsr->nMxPayload = 0; + pCsr->nUnused = 0; + pCsr->nPayload = 0; + pCsr->szPage = 0; + pCsr->nPage = 0; +} + /* -** Close a statvfs cursor. +** Close a DBSTAT cursor. */ static int statClose(sqlite3_vtab_cursor *pCursor){ StatCursor *pCsr = (StatCursor *)pCursor; @@ -196230,16 +201504,20 @@ static int statClose(sqlite3_vtab_cursor *pCursor){ return SQLITE_OK; } -static void getLocalPayload( +/* +** For a single cell on a btree page, compute the number of bytes of +** content (payload) stored on that page. That is to say, compute the +** number of bytes of content not found on overflow pages. +*/ +static int getLocalPayload( int nUsable, /* Usable bytes per page */ u8 flags, /* Page flags */ - int nTotal, /* Total record (payload) size */ - int *pnLocal /* OUT: Bytes stored locally */ + int nTotal /* Total record (payload) size */ ){ int nLocal; int nMinLocal; int nMaxLocal; - + if( flags==0x0D ){ /* Table leaf node */ nMinLocal = (nUsable - 12) * 32 / 255 - 23; nMaxLocal = nUsable - 35; @@ -196250,9 +201528,12 @@ static void getLocalPayload( nLocal = nMinLocal + (nTotal - nMinLocal) % (nUsable - 4); if( nLocal>nMaxLocal ) nLocal = nMinLocal; - *pnLocal = nLocal; + return nLocal; } +/* Populate the StatPage object with information about the all +** cells found on the page currently under analysis. +*/ static int statDecodePage(Btree *pBt, StatPage *p){ int nUnused; int iOff; @@ -196323,7 +201604,7 @@ static int statDecodePage(Btree *pBt, StatPage *p){ iOff += sqlite3GetVarint(&aData[iOff], &dummy); } if( nPayload>(u32)p->nMxPayload ) p->nMxPayload = nPayload; - getLocalPayload(nUsable, p->flags, nPayload, &nLocal); + nLocal = getLocalPayload(nUsable, p->flags, nPayload); if( nLocal<0 ) goto statPageIsCorrupt; pCell->nLocal = nLocal; assert( nPayload>=(u32)nLocal ); @@ -196331,7 +201612,9 @@ static int statDecodePage(Btree *pBt, StatPage *p){ if( nPayload>(u32)nLocal ){ int j; int nOvfl = ((nPayload - nLocal) + nUsable-4 - 1) / (nUsable - 4); - if( iOff+nLocal>nUsable ) goto statPageIsCorrupt; + if( iOff+nLocal>nUsable || nPayload>0x7fffffff ){ + goto statPageIsCorrupt; + } pCell->nLastOvfl = (nPayload-nLocal) - (nOvfl-1) * (nUsable-4); pCell->nOvfl = nOvfl; pCell->aOvfl = sqlite3_malloc64(sizeof(u32)*nOvfl); @@ -196345,7 +201628,7 @@ static int statDecodePage(Btree *pBt, StatPage *p){ if( rc!=SQLITE_OK ){ assert( pPg==0 ); return rc; - } + } pCell->aOvfl[j] = sqlite3Get4byte(sqlite3PagerGetData(pPg)); sqlite3PagerUnref(pPg); } @@ -196373,23 +201656,25 @@ static void statSizeAndOffset(StatCursor *pCsr){ sqlite3_file *fd; sqlite3_int64 x[2]; - /* The default page size and offset */ - pCsr->szPage = sqlite3BtreeGetPageSize(pBt); - pCsr->iOffset = (i64)pCsr->szPage * (pCsr->iPageno - 1); - - /* If connected to a ZIPVFS backend, override the page size and - ** offset with actual values obtained from ZIPVFS. + /* If connected to a ZIPVFS backend, find the page size and + ** offset from ZIPVFS. */ fd = sqlite3PagerFile(pPager); x[0] = pCsr->iPageno; if( sqlite3OsFileControl(fd, 230440, &x)==SQLITE_OK ){ pCsr->iOffset = x[0]; - pCsr->szPage = (int)x[1]; + pCsr->szPage += x[1]; + }else{ + /* Not ZIPVFS: The default page size and offset */ + pCsr->szPage += sqlite3BtreeGetPageSize(pBt); + pCsr->iOffset = (i64)pCsr->szPage * (pCsr->iPageno - 1); } } /* -** Move a statvfs cursor to the next entry in the file. +** Move a DBSTAT cursor to the next entry. Normally, the next +** entry will be the next page, but in aggregated mode (pCsr->isAgg!=0), +** the next entry is the next btree. */ static int statNext(sqlite3_vtab_cursor *pCursor){ int rc; @@ -196405,6 +201690,8 @@ static int statNext(sqlite3_vtab_cursor *pCursor){ statNextRestart: if( pCsr->aPage[0].pPg==0 ){ + /* Start measuring space on the next btree */ + statResetCounts(pCsr); rc = sqlite3_step(pCsr->pStmt); if( rc==SQLITE_ROW ){ int nPage; @@ -196417,44 +201704,47 @@ statNextRestart: rc = sqlite3PagerGet(pPager, iRoot, &pCsr->aPage[0].pPg, 0); pCsr->aPage[0].iPgno = iRoot; pCsr->aPage[0].iCell = 0; - pCsr->aPage[0].zPath = z = sqlite3_mprintf("/"); + if( !pCsr->isAgg ){ + pCsr->aPage[0].zPath = z = sqlite3_mprintf("/"); + if( z==0 ) rc = SQLITE_NOMEM_BKPT; + } pCsr->iPage = 0; - if( z==0 ) rc = SQLITE_NOMEM_BKPT; + pCsr->nPage = 1; }else{ pCsr->isEof = 1; return sqlite3_reset(pCsr->pStmt); } }else{ - - /* Page p itself has already been visited. */ + /* Continue analyzing the btree previously started */ StatPage *p = &pCsr->aPage[pCsr->iPage]; - + if( !pCsr->isAgg ) statResetCounts(pCsr); while( p->iCell<p->nCell ){ StatCell *pCell = &p->aCell[p->iCell]; - if( pCell->iOvfl<pCell->nOvfl ){ - int nUsable; + while( pCell->iOvfl<pCell->nOvfl ){ + int nUsable, iOvfl; sqlite3BtreeEnter(pBt); - nUsable = sqlite3BtreeGetPageSize(pBt) - + nUsable = sqlite3BtreeGetPageSize(pBt) - sqlite3BtreeGetReserveNoMutex(pBt); sqlite3BtreeLeave(pBt); - pCsr->zName = (char *)sqlite3_column_text(pCsr->pStmt, 0); - pCsr->iPageno = pCell->aOvfl[pCell->iOvfl]; - pCsr->zPagetype = "overflow"; - pCsr->nCell = 0; - pCsr->nMxPayload = 0; - pCsr->zPath = z = sqlite3_mprintf( - "%s%.3x+%.6x", p->zPath, p->iCell, pCell->iOvfl - ); + pCsr->nPage++; + statSizeAndOffset(pCsr); if( pCell->iOvfl<pCell->nOvfl-1 ){ - pCsr->nUnused = 0; - pCsr->nPayload = nUsable - 4; + pCsr->nPayload += nUsable - 4; }else{ - pCsr->nPayload = pCell->nLastOvfl; - pCsr->nUnused = nUsable - 4 - pCsr->nPayload; + pCsr->nPayload += pCell->nLastOvfl; + pCsr->nUnused += nUsable - 4 - pCell->nLastOvfl; } + iOvfl = pCell->iOvfl; pCell->iOvfl++; - statSizeAndOffset(pCsr); - return z==0 ? SQLITE_NOMEM_BKPT : SQLITE_OK; + if( !pCsr->isAgg ){ + pCsr->zName = (char *)sqlite3_column_text(pCsr->pStmt, 0); + pCsr->iPageno = pCell->aOvfl[iOvfl]; + pCsr->zPagetype = "overflow"; + pCsr->zPath = z = sqlite3_mprintf( + "%s%.3x+%.6x", p->zPath, p->iCell, iOvfl + ); + return z==0 ? SQLITE_NOMEM_BKPT : SQLITE_OK; + } } if( p->iRightChildPg ) break; p->iCell++; @@ -196462,8 +201752,13 @@ statNextRestart: if( !p->iRightChildPg || p->iCell>p->nCell ){ statClearPage(p); - if( pCsr->iPage==0 ) return statNext(pCursor); - pCsr->iPage--; + if( pCsr->iPage>0 ){ + pCsr->iPage--; + }else if( pCsr->isAgg ){ + /* label-statNext-done: When computing aggregate space usage over + ** an entire btree, this is the exit point from this function */ + return SQLITE_OK; + } goto statNextRestart; /* Tail recursion */ } pCsr->iPage++; @@ -196479,10 +201774,13 @@ statNextRestart: p[1].iPgno = p->aCell[p->iCell].iChildPg; } rc = sqlite3PagerGet(pPager, p[1].iPgno, &p[1].pPg, 0); + pCsr->nPage++; p[1].iCell = 0; - p[1].zPath = z = sqlite3_mprintf("%s%.3x/", p->zPath, p->iCell); + if( !pCsr->isAgg ){ + p[1].zPath = z = sqlite3_mprintf("%s%.3x/", p->zPath, p->iCell); + if( z==0 ) rc = SQLITE_NOMEM_BKPT; + } p->iCell++; - if( z==0 ) rc = SQLITE_NOMEM_BKPT; } @@ -196512,16 +201810,23 @@ statNextRestart: pCsr->zPagetype = "corrupted"; break; } - pCsr->nCell = p->nCell; - pCsr->nUnused = p->nUnused; - pCsr->nMxPayload = p->nMxPayload; - pCsr->zPath = z = sqlite3_mprintf("%s", p->zPath); - if( z==0 ) rc = SQLITE_NOMEM_BKPT; + pCsr->nCell += p->nCell; + pCsr->nUnused += p->nUnused; + if( p->nMxPayload>pCsr->nMxPayload ) pCsr->nMxPayload = p->nMxPayload; + if( !pCsr->isAgg ){ + pCsr->zPath = z = sqlite3_mprintf("%s", p->zPath); + if( z==0 ) rc = SQLITE_NOMEM_BKPT; + } nPayload = 0; for(i=0; i<p->nCell; i++){ nPayload += p->aCell[i].nLocal; } - pCsr->nPayload = nPayload; + pCsr->nPayload += nPayload; + + /* If computing aggregate space usage by btree, continue with the + ** next page. The loop will exit via the return at label-statNext-done + */ + if( pCsr->isAgg ) goto statNextRestart; } } @@ -196533,36 +201838,63 @@ static int statEof(sqlite3_vtab_cursor *pCursor){ return pCsr->isEof; } +/* Initialize a cursor according to the query plan idxNum using the +** arguments in argv[0]. See statBestIndex() for a description of the +** meaning of the bits in idxNum. +*/ static int statFilter( - sqlite3_vtab_cursor *pCursor, + sqlite3_vtab_cursor *pCursor, int idxNum, const char *idxStr, int argc, sqlite3_value **argv ){ StatCursor *pCsr = (StatCursor *)pCursor; StatTable *pTab = (StatTable*)(pCursor->pVtab); - char *zSql; - int rc = SQLITE_OK; + sqlite3_str *pSql; /* Query of btrees to analyze */ + char *zSql; /* String value of pSql */ + int iArg = 0; /* Count of argv[] parameters used so far */ + int rc = SQLITE_OK; /* Result of this operation */ + const char *zName = 0; /* Only provide analysis of this table */ - if( idxNum==1 ){ - const char *zDbase = (const char*)sqlite3_value_text(argv[0]); + statResetCsr(pCsr); + sqlite3_finalize(pCsr->pStmt); + pCsr->pStmt = 0; + if( idxNum & 0x01 ){ + /* schema=? constraint is present. Get its value */ + const char *zDbase = (const char*)sqlite3_value_text(argv[iArg++]); pCsr->iDb = sqlite3FindDbName(pTab->db, zDbase); if( pCsr->iDb<0 ){ - sqlite3_free(pCursor->pVtab->zErrMsg); - pCursor->pVtab->zErrMsg = sqlite3_mprintf("no such schema: %s", zDbase); - return pCursor->pVtab->zErrMsg ? SQLITE_ERROR : SQLITE_NOMEM_BKPT; + pCsr->iDb = 0; + pCsr->isEof = 1; + return SQLITE_OK; } }else{ pCsr->iDb = pTab->iDb; } - statResetCsr(pCsr); - sqlite3_finalize(pCsr->pStmt); - pCsr->pStmt = 0; - zSql = sqlite3_mprintf( - "SELECT 'sqlite_master' AS name, 1 AS rootpage, 'table' AS type" - " UNION ALL " - "SELECT name, rootpage, type" - " FROM \"%w\".sqlite_master WHERE rootpage!=0" - " ORDER BY name", pTab->db->aDb[pCsr->iDb].zDbSName); + if( idxNum & 0x02 ){ + /* name=? constraint is present */ + zName = (const char*)sqlite3_value_text(argv[iArg++]); + } + if( idxNum & 0x04 ){ + /* aggregate=? constraint is present */ + pCsr->isAgg = sqlite3_value_double(argv[iArg++])!=0.0; + }else{ + pCsr->isAgg = 0; + } + pSql = sqlite3_str_new(pTab->db); + sqlite3_str_appendf(pSql, + "SELECT * FROM (" + "SELECT 'sqlite_schema' AS name,1 AS rootpage,'table' AS type" + " UNION ALL " + "SELECT name,rootpage,type" + " FROM \"%w\".sqlite_schema WHERE rootpage!=0)", + pTab->db->aDb[pCsr->iDb].zDbSName); + if( zName ){ + sqlite3_str_appendf(pSql, "WHERE name=%Q", zName); + } + if( idxNum & 0x08 ){ + sqlite3_str_appendf(pSql, " ORDER BY name"); + } + zSql = sqlite3_str_finish(pSql); if( zSql==0 ){ return SQLITE_NOMEM_BKPT; }else{ @@ -196577,8 +201909,8 @@ static int statFilter( } static int statColumn( - sqlite3_vtab_cursor *pCursor, - sqlite3_context *ctx, + sqlite3_vtab_cursor *pCursor, + sqlite3_context *ctx, int i ){ StatCursor *pCsr = (StatCursor *)pCursor; @@ -196587,13 +201919,21 @@ static int statColumn( sqlite3_result_text(ctx, pCsr->zName, -1, SQLITE_TRANSIENT); break; case 1: /* path */ - sqlite3_result_text(ctx, pCsr->zPath, -1, SQLITE_TRANSIENT); + if( !pCsr->isAgg ){ + sqlite3_result_text(ctx, pCsr->zPath, -1, SQLITE_TRANSIENT); + } break; case 2: /* pageno */ - sqlite3_result_int64(ctx, pCsr->iPageno); + if( pCsr->isAgg ){ + sqlite3_result_int64(ctx, pCsr->nPage); + }else{ + sqlite3_result_int64(ctx, pCsr->iPageno); + } break; case 3: /* pagetype */ - sqlite3_result_text(ctx, pCsr->zPagetype, -1, SQLITE_STATIC); + if( !pCsr->isAgg ){ + sqlite3_result_text(ctx, pCsr->zPagetype, -1, SQLITE_STATIC); + } break; case 4: /* ncell */ sqlite3_result_int(ctx, pCsr->nCell); @@ -196608,17 +201948,23 @@ static int statColumn( sqlite3_result_int(ctx, pCsr->nMxPayload); break; case 8: /* pgoffset */ - sqlite3_result_int64(ctx, pCsr->iOffset); + if( !pCsr->isAgg ){ + sqlite3_result_int64(ctx, pCsr->iOffset); + } break; case 9: /* pgsize */ sqlite3_result_int(ctx, pCsr->szPage); break; - default: { /* schema */ + case 10: { /* schema */ sqlite3 *db = sqlite3_context_db_handle(ctx); int iDb = pCsr->iDb; sqlite3_result_text(ctx, db->aDb[iDb].zDbSName, -1, SQLITE_STATIC); break; } + default: { /* aggregate */ + sqlite3_result_int(ctx, pCsr->isAgg); + break; + } } return SQLITE_OK; } @@ -196682,7 +202028,7 @@ SQLITE_PRIVATE int sqlite3DbstatRegister(sqlite3 *db){ return SQLITE_OK; } ** This file contains an implementation of the "sqlite_dbpage" virtual table. ** ** The sqlite_dbpage virtual table is used to read or write whole raw -** pages of the database file. The pager interface is used so that +** pages of the database file. The pager interface is used so that ** uncommitted changes and changes recorded in the WAL file are correctly ** retrieved. ** @@ -196742,7 +202088,8 @@ static int dbpageConnect( DbpageTable *pTab = 0; int rc = SQLITE_OK; - rc = sqlite3_declare_vtab(db, + sqlite3_vtab_config(db, SQLITE_VTAB_DIRECTONLY); + rc = sqlite3_declare_vtab(db, "CREATE TABLE x(pgno INTEGER PRIMARY KEY, data BLOB, schema HIDDEN)"); if( rc==SQLITE_OK ){ pTab = (DbpageTable *)sqlite3_malloc64(sizeof(DbpageTable)); @@ -196882,7 +202229,7 @@ static int dbpageEof(sqlite3_vtab_cursor *pCursor){ ** idxStr is not used */ static int dbpageFilter( - sqlite3_vtab_cursor *pCursor, + sqlite3_vtab_cursor *pCursor, int idxNum, const char *idxStr, int argc, sqlite3_value **argv ){ @@ -196893,7 +202240,7 @@ static int dbpageFilter( Btree *pBt; /* Default setting is no rows of result */ - pCsr->pgno = 1; + pCsr->pgno = 1; pCsr->mxPgno = 0; if( idxNum & 2 ){ @@ -196928,8 +202275,8 @@ static int dbpageFilter( } static int dbpageColumn( - sqlite3_vtab_cursor *pCursor, - sqlite3_context *ctx, + sqlite3_vtab_cursor *pCursor, + sqlite3_context *ctx, int i ){ DbpageCursor *pCsr = (DbpageCursor *)pCursor; @@ -197006,7 +202353,7 @@ static int dbpageUpdate( goto update_fail; } szPage = sqlite3BtreeGetPageSize(pBt); - if( sqlite3_value_type(argv[3])!=SQLITE_BLOB + if( sqlite3_value_type(argv[3])!=SQLITE_BLOB || sqlite3_value_bytes(argv[3])!=szPage ){ zErr = "bad page value"; @@ -197151,7 +202498,7 @@ struct SessionBuffer { }; /* -** An object of this type is used internally as an abstraction for +** An object of this type is used internally as an abstraction for ** input data. Input data may be supplied either as a single large buffer ** (e.g. sqlite3changeset_start()) or using a stream function (e.g. ** sqlite3changeset_start_strm()). @@ -197212,11 +202559,11 @@ struct SessionTable { SessionChange **apChange; /* Hash table buckets */ }; -/* +/* ** RECORD FORMAT: ** -** The following record format is similar to (but not compatible with) that -** used in SQLite database files. This format is used as part of the +** The following record format is similar to (but not compatible with) that +** used in SQLite database files. This format is used as part of the ** change-set binary format, and so must be architecture independent. ** ** Unlike the SQLite database record format, each field is self-contained - @@ -197250,7 +202597,7 @@ struct SessionTable { ** Real values: ** An 8-byte big-endian IEEE 754-2008 real value. ** -** Varint values are encoded in the same way as varints in the SQLite +** Varint values are encoded in the same way as varints in the SQLite ** record format. ** ** CHANGESET FORMAT: @@ -197282,7 +202629,7 @@ struct SessionTable { ** ** The new.* record that is part of each INSERT change contains the values ** that make up the new row. Similarly, the old.* record that is part of each -** DELETE change contains the values that made up the row that was deleted +** DELETE change contains the values that made up the row that was deleted ** from the database. In the changeset format, the records that are part ** of INSERT or DELETE changes never contain any undefined (type byte 0x00) ** fields. @@ -197291,8 +202638,8 @@ struct SessionTable { ** associated with table columns that are not PRIMARY KEY columns and are ** not modified by the UPDATE change are set to "undefined". Other fields ** are set to the values that made up the row before the UPDATE that the -** change records took place. Within the new.* record, fields associated -** with table columns modified by the UPDATE change contain the new +** change records took place. Within the new.* record, fields associated +** with table columns modified by the UPDATE change contain the new ** values. Fields associated with table columns that are not modified ** are set to "undefined". ** @@ -197318,7 +202665,7 @@ struct SessionTable { ** ** As in the changeset format, each field of the single record that is part ** of a patchset change is associated with the correspondingly positioned -** table column, counting from left to right within the CREATE TABLE +** table column, counting from left to right within the CREATE TABLE ** statement. ** ** For a DELETE change, all fields within the record except those associated @@ -197336,7 +202683,7 @@ struct SessionTable { ** ** REBASE BLOB FORMAT: ** -** A rebase blob may be output by sqlite3changeset_apply_v2() and its +** A rebase blob may be output by sqlite3changeset_apply_v2() and its ** streaming equivalent for use with the sqlite3_rebaser APIs to rebase ** existing changesets. A rebase blob contains one entry for each conflict ** resolved using either the OMIT or REPLACE strategies within the apply_v2() @@ -197360,7 +202707,7 @@ struct SessionTable { ** ** In a rebase blob, the first field is set to SQLITE_INSERT if the change ** that caused the conflict was an INSERT or UPDATE, or to SQLITE_DELETE if -** it was a DELETE. The second field is set to 0x01 if the conflict +** it was a DELETE. The second field is set to 0x01 if the conflict ** resolution strategy was REPLACE, or 0x00 if it was OMIT. ** ** If the change that caused the conflict was a DELETE, then the single @@ -197384,7 +202731,7 @@ struct SessionChange { }; /* -** Write a varint with value iVal into the buffer at aBuf. Return the +** Write a varint with value iVal into the buffer at aBuf. Return the ** number of bytes written. */ static int sessionVarintPut(u8 *aBuf, int iVal){ @@ -197399,7 +202746,7 @@ static int sessionVarintLen(int iVal){ } /* -** Read a varint value from aBuf[] into *piVal. Return the number of +** Read a varint value from aBuf[] into *piVal. Return the number of ** bytes read. */ static int sessionVarintGet(u8 *aBuf, int *piVal){ @@ -197438,13 +202785,13 @@ static void sessionPutI64(u8 *aBuf, sqlite3_int64 i){ ** This function is used to serialize the contents of value pValue (see ** comment titled "RECORD FORMAT" above). ** -** If it is non-NULL, the serialized form of the value is written to +** If it is non-NULL, the serialized form of the value is written to ** buffer aBuf. *pnWrite is set to the number of bytes written before ** returning. Or, if aBuf is NULL, the only thing this function does is ** set *pnWrite. ** ** If no error occurs, SQLITE_OK is returned. Or, if an OOM error occurs -** within a call to sqlite3_value_text() (may fail if the db is utf-16)) +** within a call to sqlite3_value_text() (may fail if the db is utf-16)) ** SQLITE_NOMEM is returned. */ static int sessionSerializeValue( @@ -197456,16 +202803,16 @@ static int sessionSerializeValue( if( pValue ){ int eType; /* Value type (SQLITE_NULL, TEXT etc.) */ - + eType = sqlite3_value_type(pValue); if( aBuf ) aBuf[0] = eType; - + switch( eType ){ - case SQLITE_NULL: + case SQLITE_NULL: nByte = 1; break; - - case SQLITE_INTEGER: + + case SQLITE_INTEGER: case SQLITE_FLOAT: if( aBuf ){ /* TODO: SQLite does something special to deal with mixed-endian @@ -197482,14 +202829,14 @@ static int sessionSerializeValue( } sessionPutI64(&aBuf[1], i); } - nByte = 9; + nByte = 9; break; - + default: { u8 *z; int n; int nVarint; - + assert( eType==SQLITE_TEXT || eType==SQLITE_BLOB ); if( eType==SQLITE_TEXT ){ z = (u8 *)sqlite3_value_text(pValue); @@ -197499,12 +202846,12 @@ static int sessionSerializeValue( n = sqlite3_value_bytes(pValue); if( z==0 && (eType!=SQLITE_BLOB || n>0) ) return SQLITE_NOMEM; nVarint = sessionVarintLen(n); - + if( aBuf ){ sessionVarintPut(&aBuf[1], n); if( n ) memcpy(&aBuf[nVarint + 1], z, n); } - + nByte = 1 + nVarint + n; break; } @@ -197546,7 +202893,7 @@ static unsigned int sessionHashAppendI64(unsigned int h, i64 i){ } /* -** Append the hash of the blob passed via the second and third arguments to +** Append the hash of the blob passed via the second and third arguments to ** the hash-key value passed as the first. Return the new hash-key value. */ static unsigned int sessionHashAppendBlob(unsigned int h, int n, const u8 *z){ @@ -197565,7 +202912,7 @@ static unsigned int sessionHashAppendType(unsigned int h, int eType){ /* ** This function may only be called from within a pre-update callback. -** It calculates a hash based on the primary key values of the old.* or +** It calculates a hash based on the primary key values of the old.* or ** new.* row currently available and, assuming no error occurs, writes it to ** *piHash before returning. If the primary key contains one or more NULL ** values, *pbNullPK is set to true before returning. @@ -197672,12 +203019,12 @@ static unsigned int sessionChangeHash( int isPK = pTab->abPK[i]; if( bPkOnly && isPK==0 ) continue; - /* It is not possible for eType to be SQLITE_NULL here. The session + /* It is not possible for eType to be SQLITE_NULL here. The session ** module does not record changes for rows with NULL values stored in ** primary key columns. */ - assert( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT - || eType==SQLITE_TEXT || eType==SQLITE_BLOB - || eType==SQLITE_NULL || eType==0 + assert( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT + || eType==SQLITE_TEXT || eType==SQLITE_BLOB + || eType==SQLITE_NULL || eType==0 ); assert( !isPK || (eType!=0 && eType!=SQLITE_NULL) ); @@ -197688,7 +203035,7 @@ static unsigned int sessionChangeHash( h = sessionHashAppendI64(h, sessionGetI64(a)); a += 8; }else{ - int n; + int n; a += sessionVarintGet(a, &n); h = sessionHashAppendBlob(h, n, a); a += n; @@ -197703,7 +203050,7 @@ static unsigned int sessionChangeHash( /* ** Arguments aLeft and aRight are pointers to change records for table pTab. ** This function returns true if the two records apply to the same row (i.e. -** have the same values stored in the primary key columns), or false +** have the same values stored in the primary key columns), or false ** otherwise. */ static int sessionChangeEqual( @@ -197740,17 +203087,17 @@ static int sessionChangeEqual( ** Arguments aLeft and aRight both point to buffers containing change ** records with nCol columns. This function "merges" the two records into ** a single records which is written to the buffer at *paOut. *paOut is -** then set to point to one byte after the last byte written before +** then set to point to one byte after the last byte written before ** returning. ** -** The merging of records is done as follows: For each column, if the +** The merging of records is done as follows: For each column, if the ** aRight record contains a value for the column, copy the value from ** their. Otherwise, if aLeft contains a value, copy it. If neither ** record contains a value for a given column, then neither does the ** output record. */ static void sessionMergeRecord( - u8 **paOut, + u8 **paOut, int nCol, u8 *aLeft, u8 *aRight @@ -197780,13 +203127,13 @@ static void sessionMergeRecord( /* ** This is a helper function used by sessionMergeUpdate(). ** -** When this function is called, both *paOne and *paTwo point to a value -** within a change record. Before it returns, both have been advanced so +** When this function is called, both *paOne and *paTwo point to a value +** within a change record. Before it returns, both have been advanced so ** as to point to the next value in the record. ** ** If, when this function is called, *paTwo points to a valid value (i.e. ** *paTwo[0] is not 0x00 - the "no value" placeholder), a copy of the *paTwo -** pointer is returned and *pnVal is set to the number of bytes in the +** pointer is returned and *pnVal is set to the number of bytes in the ** serialized value. Otherwise, a copy of *paOne is returned and *pnVal ** set to the number of bytes in the value at *paOne. If *paOne points ** to the "no value" placeholder, *pnVal is set to 1. In other words: @@ -197885,8 +203232,8 @@ static int sessionMergeUpdate( aOld = sessionMergeValue(&aOld1, &aOld2, &nOld); aNew = sessionMergeValue(&aNew1, &aNew2, &nNew); - if( bPatchset==0 - && (pTab->abPK[i] || (nOld==nNew && 0==memcmp(aOld, aNew, nNew))) + if( bPatchset==0 + && (pTab->abPK[i] || (nOld==nNew && 0==memcmp(aOld, aNew, nNew))) ){ *(aOut++) = '\0'; }else{ @@ -197975,7 +203322,7 @@ static int sessionPreupdateEqual( } /* -** If required, grow the hash table used to store changes on table pTab +** If required, grow the hash table used to store changes on table pTab ** (part of the session pSession). If a fatal OOM error occurs, set the ** session object to failed and return SQLITE_ERROR. Otherwise, return ** SQLITE_OK. @@ -198115,7 +203462,7 @@ static int sessionTableInfo( *pzTab = (char *)pAlloc; pAlloc += nThis+1; } - + i = 0; while( SQLITE_ROW==sqlite3_step(pStmt) ){ int nName = sqlite3_column_bytes(pStmt, 1); @@ -198128,7 +203475,7 @@ static int sessionTableInfo( i++; } rc = sqlite3_reset(pStmt); - + } /* If successful, populate the output variables. Otherwise, zero them and @@ -198158,14 +203505,14 @@ static int sessionTableInfo( ** If an error occurs, an error code is stored in sqlite3_session.rc and ** non-zero returned. Or, if no error occurs but the table has no primary ** key, sqlite3_session.rc is left set to SQLITE_OK and non-zero returned to -** indicate that updates on this table should be ignored. SessionTable.abPK +** indicate that updates on this table should be ignored. SessionTable.abPK ** is set to NULL in this case. */ static int sessionInitTable(sqlite3_session *pSession, SessionTable *pTab){ if( pTab->nCol==0 ){ u8 *abPK; assert( pTab->azCol==0 || pTab->abPK==0 ); - pSession->rc = sessionTableInfo(pSession->db, pSession->zDb, + pSession->rc = sessionTableInfo(pSession->db, pSession->zDb, pTab->zName, &pTab->nCol, 0, &pTab->azCol, &abPK ); if( pSession->rc==SQLITE_OK ){ @@ -198226,7 +203573,7 @@ static int sessionStat1Depth(void *pCtx){ /* -** This function is only called from with a pre-update-hook reporting a +** This function is only called from with a pre-update-hook reporting a ** change on table pTab (attached to session pSession). The type of change ** (UPDATE, INSERT, DELETE) is specified by the first argument. ** @@ -198238,8 +203585,8 @@ static void sessionPreupdateOneChange( sqlite3_session *pSession, /* Session object pTab is attached to */ SessionTable *pTab /* Table that change applies to */ ){ - int iHash; - int bNull = 0; + int iHash; + int bNull = 0; int rc = SQLITE_OK; SessionStat1Ctx stat1 = {{0,0,0,0,0},0}; @@ -198248,7 +203595,7 @@ static void sessionPreupdateOneChange( /* Load table details if required */ if( sessionInitTable(pSession, pTab) ) return; - /* Check the number of columns in this xPreUpdate call matches the + /* Check the number of columns in this xPreUpdate call matches the ** number of columns in the table. */ if( pTab->nCol!=pSession->hook.xCount(pSession->hook.pCtx) ){ pSession->rc = SQLITE_SCHEMA; @@ -198300,10 +203647,10 @@ static void sessionPreupdateOneChange( SessionChange *pChange; /* New change object */ sqlite3_int64 nByte; /* Number of bytes to allocate */ int i; /* Used to iterate through columns */ - + assert( rc==SQLITE_OK ); pTab->nEntry++; - + /* Figure out how large an allocation is required */ nByte = sizeof(SessionChange); for(i=0; i<pTab->nCol; i++){ @@ -198321,7 +203668,7 @@ static void sessionPreupdateOneChange( rc = sessionSerializeValue(0, p, &nByte); if( rc!=SQLITE_OK ) goto error_out; } - + /* Allocate the change object */ pChange = (SessionChange *)sqlite3_malloc64(nByte); if( !pChange ){ @@ -198331,7 +203678,7 @@ static void sessionPreupdateOneChange( memset(pChange, 0, sizeof(SessionChange)); pChange->aRecord = (u8 *)&pChange[1]; } - + /* Populate the change object. None of the preupdate_old(), ** preupdate_new() or SerializeValue() calls below may fail as all ** required values and encodings have already been cached in memory. @@ -198359,8 +203706,8 @@ static void sessionPreupdateOneChange( }else if( pC->bIndirect ){ /* If the existing change is considered "indirect", but this current ** change is "direct", mark the change object as direct. */ - if( pSession->hook.xDepth(pSession->hook.pCtx)==0 - && pSession->bIndirect==0 + if( pSession->hook.xDepth(pSession->hook.pCtx)==0 + && pSession->bIndirect==0 ){ pC->bIndirect = 0; } @@ -198378,7 +203725,7 @@ static void sessionPreupdateOneChange( } static int sessionFindTable( - sqlite3_session *pSession, + sqlite3_session *pSession, const char *zName, SessionTable **ppTab ){ @@ -198395,7 +203742,7 @@ static int sessionFindTable( /* If there is a table-filter configured, invoke it. If it returns 0, ** do not automatically add the new table. */ if( pSession->xTableFilter==0 - || pSession->xTableFilter(pSession->pFilterCtx, zName) + || pSession->xTableFilter(pSession->pFilterCtx, zName) ){ rc = sqlite3session_attach(pSession, zName); if( rc==SQLITE_OK ){ @@ -198430,8 +203777,8 @@ static void xPreUpdate( for(pSession=(sqlite3_session *)pCtx; pSession; pSession=pSession->pNext){ SessionTable *pTab; - /* If this session is attached to a different database ("main", "temp" - ** etc.), or if it is not currently enabled, there is nothing to do. Skip + /* If this session is attached to a different database ("main", "temp" + ** etc.), or if it is not currently enabled, there is nothing to do. Skip ** to the next session object attached to this database. */ if( pSession->bEnable==0 ) continue; if( pSession->rc ) continue; @@ -198522,7 +203869,7 @@ static void sessionDiffHooks( static char *sessionExprComparePK( int nCol, - const char *zDb1, const char *zDb2, + const char *zDb1, const char *zDb2, const char *zTab, const char **azCol, u8 *abPK ){ @@ -198545,7 +203892,7 @@ static char *sessionExprComparePK( static char *sessionExprCompareOther( int nCol, - const char *zDb1, const char *zDb2, + const char *zDb1, const char *zDb2, const char *zTab, const char **azCol, u8 *abPK ){ @@ -198622,9 +203969,9 @@ static int sessionDiffFindNew( } static int sessionDiffFindModified( - sqlite3_session *pSession, - SessionTable *pTab, - const char *zFrom, + sqlite3_session *pSession, + SessionTable *pTab, + const char *zFrom, const char *zExpr ){ int rc = SQLITE_OK; @@ -198723,7 +204070,7 @@ SQLITE_API int sqlite3session_diff( } if( rc==SQLITE_OK ){ - zExpr = sessionExprComparePK(pTo->nCol, + zExpr = sessionExprComparePK(pTo->nCol, zDb, zFrom, pTo->zName, pTo->azCol, pTo->abPK ); } @@ -198778,7 +204125,7 @@ SQLITE_API int sqlite3session_create( memcpy(pNew->zDb, zDb, nDb+1); sessionPreupdateHooks(pNew); - /* Add the new session object to the linked list of session objects + /* Add the new session object to the linked list of session objects ** attached to database handle $db. Do this under the cover of the db ** handle mutex. */ sqlite3_mutex_enter(sqlite3_db_mutex(db)); @@ -198837,7 +204184,7 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession){ sqlite3_mutex_leave(sqlite3_db_mutex(db)); sqlite3ValueFree(pSession->pZeroBlob); - /* Delete all attached table objects. And the contents of their + /* Delete all attached table objects. And the contents of their ** associated hash-tables. */ sessionDeleteTable(pSession->pTable); @@ -198849,7 +204196,7 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession){ ** Set a table filter on a Session Object. */ SQLITE_API void sqlite3session_table_filter( - sqlite3_session *pSession, + sqlite3_session *pSession, int(*xFilter)(void*, const char*), void *pCtx /* First argument passed to xFilter */ ){ @@ -198893,7 +204240,7 @@ SQLITE_API int sqlite3session_attach( rc = SQLITE_NOMEM; }else{ /* Populate the new SessionTable object and link it into the list. - ** The new object must be linked onto the end of the list, not + ** The new object must be linked onto the end of the list, not ** simply added to the start of it in order to ensure that tables ** appear in the correct order when a changeset or patchset is ** eventually generated. */ @@ -198961,8 +204308,8 @@ static void sessionAppendValue(SessionBuffer *p, sqlite3_value *pVal, int *pRc){ } /* -** This function is a no-op if *pRc is other than SQLITE_OK when it is -** called. Otherwise, append a single byte to the buffer. +** This function is a no-op if *pRc is other than SQLITE_OK when it is +** called. Otherwise, append a single byte to the buffer. ** ** If an OOM condition is encountered, set *pRc to SQLITE_NOMEM before ** returning. @@ -198974,8 +204321,8 @@ static void sessionAppendByte(SessionBuffer *p, u8 v, int *pRc){ } /* -** This function is a no-op if *pRc is other than SQLITE_OK when it is -** called. Otherwise, append a single varint to the buffer. +** This function is a no-op if *pRc is other than SQLITE_OK when it is +** called. Otherwise, append a single varint to the buffer. ** ** If an OOM condition is encountered, set *pRc to SQLITE_NOMEM before ** returning. @@ -198987,16 +204334,16 @@ static void sessionAppendVarint(SessionBuffer *p, int v, int *pRc){ } /* -** This function is a no-op if *pRc is other than SQLITE_OK when it is -** called. Otherwise, append a blob of data to the buffer. +** This function is a no-op if *pRc is other than SQLITE_OK when it is +** called. Otherwise, append a blob of data to the buffer. ** ** If an OOM condition is encountered, set *pRc to SQLITE_NOMEM before ** returning. */ static void sessionAppendBlob( - SessionBuffer *p, - const u8 *aBlob, - int nBlob, + SessionBuffer *p, + const u8 *aBlob, + int nBlob, int *pRc ){ if( nBlob>0 && 0==sessionBufferGrow(p, nBlob, pRc) ){ @@ -199006,7 +204353,7 @@ static void sessionAppendBlob( } /* -** This function is a no-op if *pRc is other than SQLITE_OK when it is +** This function is a no-op if *pRc is other than SQLITE_OK when it is ** called. Otherwise, append a string to the buffer. All bytes in the string ** up to (but not including) the nul-terminator are written to the buffer. ** @@ -199014,8 +204361,8 @@ static void sessionAppendBlob( ** returning. */ static void sessionAppendStr( - SessionBuffer *p, - const char *zStr, + SessionBuffer *p, + const char *zStr, int *pRc ){ int nStr = sqlite3Strlen30(zStr); @@ -199026,7 +204373,7 @@ static void sessionAppendStr( } /* -** This function is a no-op if *pRc is other than SQLITE_OK when it is +** This function is a no-op if *pRc is other than SQLITE_OK when it is ** called. Otherwise, append the string representation of integer iVal ** to the buffer. No nul-terminator is written. ** @@ -199044,9 +204391,9 @@ static void sessionAppendInteger( } /* -** This function is a no-op if *pRc is other than SQLITE_OK when it is +** This function is a no-op if *pRc is other than SQLITE_OK when it is ** called. Otherwise, append the string zStr enclosed in quotes (") and -** with any embedded quote characters escaped to the buffer. No +** with any embedded quote characters escaped to the buffer. No ** nul-terminator byte is written. ** ** If an OOM condition is encountered, set *pRc to SQLITE_NOMEM before @@ -199119,8 +204466,8 @@ static void sessionAppendCol( /* ** -** This function appends an update change to the buffer (see the comments -** under "CHANGESET FORMAT" at the top of the file). An update change +** This function appends an update change to the buffer (see the comments +** under "CHANGESET FORMAT" at the top of the file). An update change ** consists of: ** ** 1 byte: SQLITE_UPDATE (0x17) @@ -199135,10 +204482,10 @@ static void sessionAppendCol( ** If all of the old.* values are equal to their corresponding new.* value ** (i.e. nothing has changed), then no data at all is appended to the buffer. ** -** Otherwise, the old.* record contains all primary key values and the -** original values of any fields that have been modified. The new.* record +** Otherwise, the old.* record contains all primary key values and the +** original values of any fields that have been modified. The new.* record ** contains the new values of only those fields that have been modified. -*/ +*/ static int sessionAppendUpdate( SessionBuffer *pBuf, /* Buffer to append to */ int bPatchset, /* True for "patchset", 0 for "changeset" */ @@ -199189,8 +204536,8 @@ static int sessionAppendUpdate( int nHdr = 1 + sessionVarintGet(&pCsr[1], &n); assert( eType==SQLITE_TEXT || eType==SQLITE_BLOB ); nAdvance = nHdr + n; - if( eType==sqlite3_column_type(pStmt, i) - && n==sqlite3_column_bytes(pStmt, i) + if( eType==sqlite3_column_type(pStmt, i) + && n==sqlite3_column_bytes(pStmt, i) && (n==0 || 0==memcmp(&pCsr[nHdr], sqlite3_column_blob(pStmt, i), n)) ){ break; @@ -199417,7 +204764,7 @@ static int sessionSelectBind( /* ** This function is a no-op if *pRc is set to other than SQLITE_OK when it -** is called. Otherwise, append a serialized table header (part of the binary +** is called. Otherwise, append a serialized table header (part of the binary ** changeset format) to buffer *pBuf. If an error occurs, set *pRc to an ** SQLite error code before returning. */ @@ -199441,7 +204788,7 @@ static void sessionAppendTableHdr( ** ** If no error occurs, SQLITE_OK is returned and the new changeset/patchset ** stored in output variables *pnChangeset and *ppChangeset. Or, if an error -** occurs, an SQLite error code is returned and both output variables set +** occurs, an SQLite error code is returned and both output variables set ** to 0. */ static int sessionGenerateChangeset( @@ -199526,10 +204873,10 @@ static int sessionGenerateChangeset( /* If the buffer is now larger than sessions_strm_chunk_size, pass ** its contents to the xOutput() callback. */ - if( xOutput - && rc==SQLITE_OK - && buf.nBuf>nNoop - && buf.nBuf>sessions_strm_chunk_size + if( xOutput + && rc==SQLITE_OK + && buf.nBuf>nNoop + && buf.nBuf>sessions_strm_chunk_size ){ rc = xOutput(pOut, (void*)buf.aBuf, buf.nBuf); nNoop = -1; @@ -199564,10 +204911,10 @@ static int sessionGenerateChangeset( } /* -** Obtain a changeset object containing all changes recorded by the +** Obtain a changeset object containing all changes recorded by the ** session object passed as the first argument. ** -** It is the responsibility of the caller to eventually free the buffer +** It is the responsibility of the caller to eventually free the buffer ** using sqlite3_free(). */ SQLITE_API int sqlite3session_changeset( @@ -199601,10 +204948,10 @@ SQLITE_API int sqlite3session_patchset_strm( } /* -** Obtain a patchset object containing all changes recorded by the +** Obtain a patchset object containing all changes recorded by the ** session object passed as the first argument. ** -** It is the responsibility of the caller to eventually free the buffer +** It is the responsibility of the caller to eventually free the buffer ** using sqlite3_free(). */ SQLITE_API int sqlite3session_patchset( @@ -199810,7 +205157,7 @@ static void sessionSkipRecord( /* ** This function sets the value of the sqlite3_value object passed as the -** first argument to a copy of the string or blob held in the aData[] +** first argument to a copy of the string or blob held in the aData[] ** buffer. SQLITE_OK is returned if successful, or SQLITE_NOMEM if an OOM ** error occurs. */ @@ -199821,7 +205168,7 @@ static int sessionValueSetStr( u8 enc /* String encoding (0 for blobs) */ ){ /* In theory this code could just pass SQLITE_TRANSIENT as the final - ** argument to sqlite3ValueSetStr() and have the copy created + ** argument to sqlite3ValueSetStr() and have the copy created ** automatically. But doing so makes it difficult to detect any OOM ** error. Hence the code to create the copy externally. */ u8 *aCopy = sqlite3_malloc64((sqlite3_int64)nData+1); @@ -199922,7 +205269,7 @@ static int sessionReadRecord( ** + array of PK flags (1 byte per column), ** + table name (nul terminated). ** -** This function ensures that all of the above is present in the input +** This function ensures that all of the above is present in the input ** buffer (i.e. that it can be accessed without any calls to xInput()). ** If successful, SQLITE_OK is returned. Otherwise, an SQLite error code. ** The input pointer is not moved. @@ -199936,11 +205283,11 @@ static int sessionChangesetBufferTblhdr(SessionInput *pIn, int *pnByte){ if( rc==SQLITE_OK ){ nRead += sessionVarintGet(&pIn->aData[pIn->iNext + nRead], &nCol); /* The hard upper limit for the number of columns in an SQLite - ** database table is, according to sqliteLimit.h, 32676. So - ** consider any table-header that purports to have more than 65536 - ** columns to be corrupt. This is convenient because otherwise, - ** if the (nCol>65536) condition below were omitted, a sufficiently - ** large value for nCol may cause nRead to wrap around and become + ** database table is, according to sqliteLimit.h, 32676. So + ** consider any table-header that purports to have more than 65536 + ** columns to be corrupt. This is convenient because otherwise, + ** if the (nCol>65536) condition below were omitted, a sufficiently + ** large value for nCol may cause nRead to wrap around and become ** negative. Leading to a crash. */ if( nCol<0 || nCol>65536 ){ rc = SQLITE_CORRUPT_BKPT; @@ -200005,8 +205352,8 @@ static int sessionChangesetBufferRecord( ** + array of PK flags (1 byte per column), ** + table name (nul terminated). ** -** This function decodes the table-header and populates the p->nCol, -** p->zTab and p->abPK[] variables accordingly. The p->apValue[] array is +** This function decodes the table-header and populates the p->nCol, +** p->zTab and p->abPK[] variables accordingly. The p->apValue[] array is ** also allocated or resized according to the new value of p->nCol. The ** input pointer is left pointing to the byte following the table header. ** @@ -200043,8 +205390,13 @@ static int sessionChangesetReadTblhdr(sqlite3_changeset_iter *p){ } p->apValue = (sqlite3_value**)p->tblhdr.aBuf; - p->abPK = (u8*)&p->apValue[p->nCol*2]; - p->zTab = (char*)&p->abPK[p->nCol]; + if( p->apValue==0 ){ + p->abPK = 0; + p->zTab = 0; + }else{ + p->abPK = (u8*)&p->apValue[p->nCol*2]; + p->zTab = p->abPK ? (char*)&p->abPK[p->nCol] : 0; + } return (p->rc = rc); } @@ -200059,9 +205411,9 @@ static int sessionChangesetReadTblhdr(sqlite3_changeset_iter *p){ ** record is written to *paRec before returning and the number of bytes in ** the record to *pnRec. ** -** Either way, this function returns SQLITE_ROW if the iterator is -** successfully advanced to the next change in the changeset, an SQLite -** error code if an error occurs, or SQLITE_DONE if there are no further +** Either way, this function returns SQLITE_ROW if the iterator is +** successfully advanced to the next change in the changeset, an SQLite +** error code if an error occurs, or SQLITE_DONE if there are no further ** changes in the changeset. */ static int sessionChangesetNext( @@ -200125,7 +205477,7 @@ static int sessionChangesetNext( return (p->rc = SQLITE_CORRUPT_BKPT); } - if( paRec ){ + if( paRec ){ int nVal; /* Number of values to buffer */ if( p->bPatchset==0 && op==SQLITE_UPDATE ){ nVal = p->nCol * 2; @@ -200292,7 +205644,7 @@ SQLITE_API int sqlite3changeset_new( /* ** This function may only be called with a changeset iterator that has been -** passed to an SQLITE_CHANGESET_DATA or SQLITE_CHANGESET_CONFLICT +** passed to an SQLITE_CHANGESET_DATA or SQLITE_CHANGESET_CONFLICT ** conflict-handler function. Otherwise, SQLITE_MISUSE is returned. ** ** If successful, *ppValue is set to point to an sqlite3_value structure @@ -200566,6 +205918,7 @@ struct SessionApplyCtx { u8 *abPK; /* Boolean array - true if column is in PK */ int bStat1; /* True if table is sqlite_stat1 */ int bDeferConstraints; /* True to defer constraints */ + int bInvertConstraints; /* Invert when iterating constraints buffer */ SessionBuffer constraints; /* Deferred constraints are stored here */ SessionBuffer rebase; /* Rebase information (if any) here */ u8 bRebaseStarted; /* If table header is already in rebase */ @@ -200600,7 +205953,7 @@ static int sessionDeleteRow( SessionBuffer buf = {0, 0, 0}; int nPk = 0; - sessionAppendStr(&buf, "DELETE FROM ", &rc); + sessionAppendStr(&buf, "DELETE FROM main.", &rc); sessionAppendIdent(&buf, zTab, &rc); sessionAppendStr(&buf, " WHERE ", &rc); @@ -200642,7 +205995,7 @@ static int sessionDeleteRow( } /* -** Formulate and prepare a statement to UPDATE a row from database db. +** Formulate and prepare a statement to UPDATE a row from database db. ** Assuming a table structure like this: ** ** CREATE TABLE x(a, b, c, d, PRIMARY KEY(a, c)); @@ -200654,7 +206007,7 @@ static int sessionDeleteRow( ** b = CASE WHEN ?5 THEN ?6 ELSE b END, ** c = CASE WHEN ?8 THEN ?9 ELSE c END, ** d = CASE WHEN ?11 THEN ?12 ELSE d END -** WHERE a = ?1 AND c = ?7 AND (?13 OR +** WHERE a = ?1 AND c = ?7 AND (?13 OR ** (?5==0 OR b IS ?4) AND (?11==0 OR d IS ?10) AND ** ) ** @@ -200683,7 +206036,7 @@ static int sessionUpdateRow( SessionBuffer buf = {0, 0, 0}; /* Append "UPDATE tbl SET " */ - sessionAppendStr(&buf, "UPDATE ", &rc); + sessionAppendStr(&buf, "UPDATE main.", &rc); sessionAppendIdent(&buf, zTab, &rc); sessionAppendStr(&buf, " SET ", &rc); @@ -200806,7 +206159,7 @@ static int sessionPrepare(sqlite3 *db, sqlite3_stmt **pp, const char *zSql){ /* ** Prepare statements for applying changes to the sqlite_stat1 table. ** These are similar to those created by sessionSelectRow(), -** sessionInsertRow(), sessionUpdateRow() and sessionDeleteRow() for +** sessionInsertRow(), sessionUpdateRow() and sessionDeleteRow() for ** other tables. */ static int sessionStat1Sql(sqlite3 *db, SessionApplyCtx *p){ @@ -200840,7 +206193,7 @@ static int sessionStat1Sql(sqlite3 *db, SessionApplyCtx *p){ } /* -** A wrapper around sqlite3_bind_value() that detects an extra problem. +** A wrapper around sqlite3_bind_value() that detects an extra problem. ** See comments in the body of this function for details. */ static int sessionBindValue( @@ -200863,15 +206216,15 @@ static int sessionBindValue( } /* -** Iterator pIter must point to an SQLITE_INSERT entry. This function +** Iterator pIter must point to an SQLITE_INSERT entry. This function ** transfers new.* values from the current iterator entry to statement ** pStmt. The table being inserted into has nCol columns. ** -** New.* value $i from the iterator is bound to variable ($i+1) of +** New.* value $i from the iterator is bound to variable ($i+1) of ** statement pStmt. If parameter abPK is NULL, all values from 0 to (nCol-1) ** are transfered to the statement. Otherwise, if abPK is not NULL, it points -** to an array nCol elements in size. In this case only those values for -** which abPK[$i] is true are read from the iterator and bound to the +** to an array nCol elements in size. In this case only those values for +** which abPK[$i] is true are read from the iterator and bound to the ** statement. ** ** An SQLite error code is returned if an error occurs. Otherwise, SQLITE_OK. @@ -200887,8 +206240,8 @@ static int sessionBindRow( int rc = SQLITE_OK; /* Neither sqlite3changeset_old or sqlite3changeset_new can fail if the - ** argument iterator points to a suitable entry. Make sure that xValue - ** is one of these to guarantee that it is safe to ignore the return + ** argument iterator points to a suitable entry. Make sure that xValue + ** is one of these to guarantee that it is safe to ignore the return ** in the code below. */ assert( xValue==sqlite3changeset_old || xValue==sqlite3changeset_new ); @@ -200912,18 +206265,18 @@ static int sessionBindRow( ** SQL statement pSelect is as generated by the sessionSelectRow() function. ** This function binds the primary key values from the change that changeset ** iterator pIter points to to the SELECT and attempts to seek to the table -** entry. If a row is found, the SELECT statement left pointing at the row +** entry. If a row is found, the SELECT statement left pointing at the row ** and SQLITE_ROW is returned. Otherwise, if no row is found and no error ** has occured, the statement is reset and SQLITE_OK is returned. If an ** error occurs, the statement is reset and an SQLite error code is returned. ** -** If this function returns SQLITE_ROW, the caller must eventually reset() +** If this function returns SQLITE_ROW, the caller must eventually reset() ** statement pSelect. If any other value is returned, the statement does ** not require a reset(). ** ** If the iterator currently points to an INSERT record, bind values from the ** new.* record to the SELECT statement. Or, if it points to a DELETE or -** UPDATE, bind values from the old.* record. +** UPDATE, bind values from the old.* record. */ static int sessionSeekToRow( sqlite3 *db, /* Database handle */ @@ -200937,7 +206290,7 @@ static int sessionSeekToRow( const char *zDummy; /* Unused */ sqlite3changeset_op(pIter, &zDummy, &nCol, &op, 0); - rc = sessionBindRow(pIter, + rc = sessionBindRow(pIter, op==SQLITE_INSERT ? sqlite3changeset_new : sqlite3changeset_old, nCol, abPK, pSelect ); @@ -200954,7 +206307,7 @@ static int sessionSeekToRow( ** This function is called from within sqlite3changeset_apply_v2() when ** a conflict is encountered and resolved using conflict resolution ** mode eType (either SQLITE_CHANGESET_OMIT or SQLITE_CHANGESET_REPLACE).. -** It adds a conflict resolution record to the buffer in +** It adds a conflict resolution record to the buffer in ** SessionApplyCtx.rebase, which will eventually be returned to the caller ** of apply_v2() as the "rebase" buffer. ** @@ -200982,7 +206335,7 @@ static int sessionRebaseAdd( assert( eType==SQLITE_CHANGESET_REPLACE||eType==SQLITE_CHANGESET_OMIT ); assert( eOp==SQLITE_DELETE || eOp==SQLITE_INSERT || eOp==SQLITE_UPDATE ); - sessionAppendByte(&p->rebase, + sessionAppendByte(&p->rebase, (eOp==SQLITE_DELETE ? SQLITE_DELETE : SQLITE_INSERT), &rc ); sessionAppendByte(&p->rebase, (eType==SQLITE_CHANGESET_REPLACE), &rc); @@ -201030,7 +206383,7 @@ static int sessionRebaseAdd( ** is set to non-zero before returning SQLITE_OK. ** ** If the conflict handler returns SQLITE_CHANGESET_ABORT, SQLITE_ABORT is -** returned. Or, if the conflict handler returns an invalid value, +** returned. Or, if the conflict handler returns an invalid value, ** SQLITE_MISUSE. If the conflict handler returns SQLITE_CHANGESET_OMIT, ** this function returns SQLITE_OK. */ @@ -201120,16 +206473,16 @@ static int sessionConflictHandler( ** to true before returning. In this case the caller will invoke this function ** again, this time with pbRetry set to NULL. ** -** If argument pbReplace is NULL and a CHANGESET_CONFLICT conflict is +** If argument pbReplace is NULL and a CHANGESET_CONFLICT conflict is ** encountered invoke the conflict handler with CHANGESET_CONSTRAINT instead. ** Or, if pbReplace is not NULL, invoke it with CHANGESET_CONFLICT. If such ** an invocation returns SQLITE_CHANGESET_REPLACE, set *pbReplace to true ** before retrying. In this case the caller attempts to remove the conflicting -** row before invoking this function again, this time with pbReplace set +** row before invoking this function again, this time with pbReplace set ** to NULL. ** ** If any conflict handler returns SQLITE_CHANGESET_ABORT, this function -** returns SQLITE_ABORT. Otherwise, if no error occurs, SQLITE_OK is +** returns SQLITE_ABORT. Otherwise, if no error occurs, SQLITE_OK is ** returned. */ static int sessionApplyOneOp( @@ -201229,7 +206582,7 @@ static int sessionApplyOneOp( assert( op==SQLITE_INSERT ); if( p->bStat1 ){ /* Check if there is a conflicting row. For sqlite_stat1, this needs - ** to be done using a SELECT, as there is no PRIMARY KEY in the + ** to be done using a SELECT, as there is no PRIMARY KEY in the ** database schema to throw an exception if a duplicate is inserted. */ rc = sessionSeekToRow(p->db, pIter, p->abPK, p->pSelect); if( rc==SQLITE_ROW ){ @@ -201262,7 +206615,7 @@ static int sessionApplyOneOp( ** the conflict handler callback. ** ** The difference between this function and sessionApplyOne() is that this -** function handles the case where the conflict-handler is invoked and +** function handles the case where the conflict-handler is invoked and ** returns SQLITE_CHANGESET_REPLACE - indicating that the change should be ** retried in some manner. */ @@ -201282,7 +206635,7 @@ static int sessionApplyOneWithRetry( /* If the bRetry flag is set, the change has not been applied due to an ** SQLITE_CHANGESET_DATA problem (i.e. this is an UPDATE or DELETE and ** a row with the correct PK is present in the db, but one or more other - ** fields do not contain the expected values) and the conflict handler + ** fields do not contain the expected values) and the conflict handler ** returned SQLITE_CHANGESET_REPLACE. In this case retry the operation, ** but pass NULL as the final argument so that sessionApplyOneOp() ignores ** the SQLITE_CHANGESET_DATA problem. */ @@ -201300,7 +206653,7 @@ static int sessionApplyOneWithRetry( assert( pIter->op==SQLITE_INSERT ); rc = sqlite3_exec(db, "SAVEPOINT replace_op", 0, 0, 0); if( rc==SQLITE_OK ){ - rc = sessionBindRow(pIter, + rc = sessionBindRow(pIter, sqlite3changeset_new, pApply->nCol, pApply->abPK, pApply->pDelete); sqlite3_bind_int(pApply->pDelete, pApply->nCol+1, 1); } @@ -201324,7 +206677,7 @@ static int sessionApplyOneWithRetry( ** Retry the changes accumulated in the pApply->constraints buffer. */ static int sessionRetryConstraints( - sqlite3 *db, + sqlite3 *db, int bPatchset, const char *zTab, SessionApplyCtx *pApply, @@ -201338,7 +206691,9 @@ static int sessionRetryConstraints( SessionBuffer cons = pApply->constraints; memset(&pApply->constraints, 0, sizeof(SessionBuffer)); - rc = sessionChangesetStart(&pIter2, 0, 0, cons.nBuf, cons.aBuf, 0); + rc = sessionChangesetStart( + &pIter2, 0, 0, cons.nBuf, cons.aBuf, pApply->bInvertConstraints + ); if( rc==SQLITE_OK ){ size_t nByte = 2*pApply->nCol*sizeof(sqlite3_value*); int rc2; @@ -201372,7 +206727,7 @@ static int sessionRetryConstraints( /* ** Argument pIter is a changeset iterator that has been initialized, but -** not yet passed to sqlite3changeset_next(). This function applies the +** not yet passed to sqlite3changeset_next(). This function applies the ** changeset to the main database attached to handle "db". The supplied ** conflict handler callback is invoked to resolve any conflicts encountered ** while applying the change. @@ -201405,6 +206760,7 @@ static int sessionChangesetApply( pIter->in.bNoDiscard = 1; memset(&sApply, 0, sizeof(sApply)); sApply.bRebase = (ppRebase && pnRebase); + sApply.bInvertConstraints = !!(flags & SQLITE_CHANGESETAPPLY_INVERT); sqlite3_mutex_enter(sqlite3_db_mutex(db)); if( (flags & SQLITE_CHANGESETAPPLY_NOSAVEPOINT)==0 ){ rc = sqlite3_exec(db, "SAVEPOINT changeset_apply", 0, 0, 0); @@ -201416,7 +206772,7 @@ static int sessionChangesetApply( int nCol; int op; const char *zNew; - + sqlite3changeset_op(pIter, &zNew, &nCol, &op, 0); if( zTab==0 || sqlite3_strnicmp(zNew, zTab, nTab+1) ){ @@ -201429,7 +206785,7 @@ static int sessionChangesetApply( sqlite3_free((char*)sApply.azCol); /* cast works around VC++ bug */ sqlite3_finalize(sApply.pDelete); - sqlite3_finalize(sApply.pUpdate); + sqlite3_finalize(sApply.pUpdate); sqlite3_finalize(sApply.pInsert); sqlite3_finalize(sApply.pSelect); sApply.db = db; @@ -201445,7 +206801,7 @@ static int sessionChangesetApply( sApply.bRebaseStarted = 0; memset(&sApply.constraints, 0, sizeof(SessionBuffer)); - /* If an xFilter() callback was specified, invoke it now. If the + /* If an xFilter() callback was specified, invoke it now. If the ** xFilter callback returns zero, skip this table. If it returns ** non-zero, proceed. */ schemaMismatch = (xFilter && (0==xFilter(pCtx, zNew))); @@ -201469,18 +206825,18 @@ static int sessionChangesetApply( for(i=0; i<sApply.nCol; i++){ if( sApply.abPK[i] ) nMinCol = i+1; } - + if( sApply.nCol==0 ){ schemaMismatch = 1; - sqlite3_log(SQLITE_SCHEMA, + sqlite3_log(SQLITE_SCHEMA, "sqlite3changeset_apply(): no such table: %s", zTab ); } else if( sApply.nCol<nCol ){ schemaMismatch = 1; - sqlite3_log(SQLITE_SCHEMA, + sqlite3_log(SQLITE_SCHEMA, "sqlite3changeset_apply(): table %s has %d columns, " - "expected %d or more", + "expected %d or more", zTab, sApply.nCol, nCol ); } @@ -201573,7 +206929,7 @@ static int sessionChangesetApply( } /* -** Apply the changeset passed via pChangeset/nChangeset to the main +** Apply the changeset passed via pChangeset/nChangeset to the main ** database attached to handle "db". */ SQLITE_API int sqlite3changeset_apply_v2( @@ -201593,7 +206949,7 @@ SQLITE_API int sqlite3changeset_apply_v2( void **ppRebase, int *pnRebase, int flags ){ - sqlite3_changeset_iter *pIter; /* Iterator to skip through changeset */ + sqlite3_changeset_iter *pIter; /* Iterator to skip through changeset */ int bInverse = !!(flags & SQLITE_CHANGESETAPPLY_INVERT); int rc = sessionChangesetStart(&pIter, 0, 0, nChangeset, pChangeset,bInverse); if( rc==SQLITE_OK ){ @@ -201651,7 +207007,7 @@ SQLITE_API int sqlite3changeset_apply_v2_strm( void **ppRebase, int *pnRebase, int flags ){ - sqlite3_changeset_iter *pIter; /* Iterator to skip through changeset */ + sqlite3_changeset_iter *pIter; /* Iterator to skip through changeset */ int bInverse = !!(flags & SQLITE_CHANGESETAPPLY_INVERT); int rc = sessionChangesetStart(&pIter, xInput, pIn, 0, 0, bInverse); if( rc==SQLITE_OK ){ @@ -201780,7 +207136,7 @@ static int sessionChangeMerge( }else{ int op1 = pExist->op; - /* + /* ** op1=INSERT, op2=INSERT -> Unsupported. Discard op2. ** op1=INSERT, op2=UPDATE -> INSERT. ** op1=INSERT, op2=DELETE -> (none) @@ -201792,7 +207148,7 @@ static int sessionChangeMerge( ** op1=DELETE, op2=INSERT -> UPDATE. ** op1=DELETE, op2=UPDATE -> Unsupported. Discard op2. ** op1=DELETE, op2=DELETE -> Unsupported. Discard op2. - */ + */ if( (op1==SQLITE_INSERT && op2==SQLITE_INSERT) || (op1==SQLITE_UPDATE && op2==SQLITE_INSERT) || (op1==SQLITE_DELETE && op2==SQLITE_UPDATE) @@ -201931,7 +207287,7 @@ static int sessionChangesetToHash( /* The new object must be linked on to the end of the list, not ** simply added to the start of it. This is to ensure that the - ** tables within the output of sqlite3changegroup_output() are in + ** tables within the output of sqlite3changegroup_output() are in ** the right order. */ for(ppTab=&pGrp->pList; *ppTab; ppTab=&(*ppTab)->pNext); *ppTab = pTab; @@ -201949,7 +207305,7 @@ static int sessionChangesetToHash( pTab, (pIter->bPatchset && op==SQLITE_DELETE), aRec, pTab->nChange ); - /* Search for existing entry. If found, remove it from the hash table. + /* Search for existing entry. If found, remove it from the hash table. ** Code below may link it back in. */ for(pp=&pTab->apChange[iHash]; *pp; pp=&(*pp)->pNext){ @@ -201967,7 +207323,7 @@ static int sessionChangesetToHash( } } - rc = sessionChangeMerge(pTab, bRebase, + rc = sessionChangeMerge(pTab, bRebase, pIter->bPatchset, pExist, op, bIndirect, aRec, nRec, &pChange ); if( rc ) break; @@ -201988,7 +207344,7 @@ static int sessionChangesetToHash( ** ** If xOutput is not NULL, then the changeset/patchset is returned to the ** user via one or more calls to xOutput, as with the other streaming -** interfaces. +** interfaces. ** ** Or, if xOutput is NULL, then (*ppOut) is populated with a pointer to a ** buffer containing the output changeset before this function returns. In @@ -202013,7 +207369,7 @@ static int sessionChangegroupOutput( assert( xOutput==0 || (ppOut==0 && pnOut==0) ); /* Create the serialized output changeset based on the contents of the - ** hash tables attached to the SessionTable objects in list p->pList. + ** hash tables attached to the SessionTable objects in list p->pList. */ for(pTab=pGrp->pList; rc==SQLITE_OK && pTab; pTab=pTab->pNext){ int i; @@ -202116,7 +207472,7 @@ SQLITE_API int sqlite3changegroup_add_strm( */ SQLITE_API int sqlite3changegroup_output_strm( sqlite3_changegroup *pGrp, - int (*xOutput)(void *pOut, const void *pData, int nData), + int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ){ return sessionChangegroupOutput(pGrp, xOutput, pOut, 0, 0); @@ -202132,7 +207488,7 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup *pGrp){ } } -/* +/* ** Combine two changesets together. */ SQLITE_API int sqlite3changeset_concat( @@ -202199,7 +207555,7 @@ struct sqlite3_rebaser { /* ** Buffers a1 and a2 must both contain a sessions module record nCol -** fields in size. This function appends an nCol sessions module +** fields in size. This function appends an nCol sessions module ** record to buffer pBuf that is a copy of a1, except that for ** each field that is undefined in a1[], swap in the field from a2[]. */ @@ -202234,20 +207590,20 @@ static void sessionAppendRecordMerge( } /* -** This function is called when rebasing a local UPDATE change against one +** This function is called when rebasing a local UPDATE change against one ** or more remote UPDATE changes. The aRec/nRec buffer contains the current ** old.* and new.* records for the change. The rebase buffer (a single ** record) is in aChange/nChange. The rebased change is appended to buffer ** pBuf. ** -** Rebasing the UPDATE involves: +** Rebasing the UPDATE involves: ** ** * Removing any changes to fields for which the corresponding field ** in the rebase buffer is set to "replaced" (type 0xFF). If this ** means the UPDATE change updates no fields, nothing is appended ** to the output buffer. ** -** * For each field modified by the local change for which the +** * For each field modified by the local change for which the ** corresponding field in the rebase buffer is not "undefined" (0x00) ** or "replaced" (0xFF), the old.* value is replaced by the value ** in the rebase buffer. @@ -202306,15 +207662,15 @@ static void sessionAppendPartialUpdate( } /* -** pIter is configured to iterate through a changeset. This function rebases -** that changeset according to the current configuration of the rebaser +** pIter is configured to iterate through a changeset. This function rebases +** that changeset according to the current configuration of the rebaser ** object passed as the first argument. If no error occurs and argument xOutput ** is not NULL, then the changeset is returned to the caller by invoking ** xOutput zero or more times and SQLITE_OK returned. Or, if xOutput is NULL, ** then (*ppOut) is set to point to a buffer containing the rebased changeset ** before this function returns. In this case (*pnOut) is set to the size of ** the buffer in bytes. It is the responsibility of the caller to eventually -** free the (*ppOut) buffer using sqlite3_free(). +** free the (*ppOut) buffer using sqlite3_free(). ** ** If an error occurs, an SQLite error code is returned. If ppOut and ** pnOut are not NULL, then the two output parameters are set to 0 before @@ -202392,7 +207748,7 @@ static int sessionRebase( sessionAppendByte(&sOut, SQLITE_INSERT, &rc); sessionAppendByte(&sOut, pIter->bIndirect, &rc); sessionAppendRecordMerge(&sOut, pIter->nCol, - pCsr, nRec-(pCsr-aRec), + pCsr, nRec-(pCsr-aRec), pChange->aRecord, pChange->nRecord, &rc ); } @@ -202449,7 +207805,7 @@ static int sessionRebase( return rc; } -/* +/* ** Create a new rebaser object. */ SQLITE_API int sqlite3rebaser_create(sqlite3_rebaser **ppNew){ @@ -202466,11 +207822,11 @@ SQLITE_API int sqlite3rebaser_create(sqlite3_rebaser **ppNew){ return rc; } -/* +/* ** Call this one or more times to configure a rebaser. */ SQLITE_API int sqlite3rebaser_configure( - sqlite3_rebaser *p, + sqlite3_rebaser *p, int nRebase, const void *pRebase ){ sqlite3_changeset_iter *pIter = 0; /* Iterator opened on pData/nData */ @@ -202483,15 +207839,15 @@ SQLITE_API int sqlite3rebaser_configure( return rc; } -/* -** Rebase a changeset according to current rebaser configuration +/* +** Rebase a changeset according to current rebaser configuration */ SQLITE_API int sqlite3rebaser_rebase( sqlite3_rebaser *p, - int nIn, const void *pIn, - int *pnOut, void **ppOut + int nIn, const void *pIn, + int *pnOut, void **ppOut ){ - sqlite3_changeset_iter *pIter = 0; /* Iterator to skip through input */ + sqlite3_changeset_iter *pIter = 0; /* Iterator to skip through input */ int rc = sqlite3changeset_start(&pIter, nIn, (void*)pIn); if( rc==SQLITE_OK ){ @@ -202502,8 +207858,8 @@ SQLITE_API int sqlite3rebaser_rebase( return rc; } -/* -** Rebase a changeset according to current rebaser configuration +/* +** Rebase a changeset according to current rebaser configuration */ SQLITE_API int sqlite3rebaser_rebase_strm( sqlite3_rebaser *p, @@ -202512,7 +207868,7 @@ SQLITE_API int sqlite3rebaser_rebase_strm( int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ){ - sqlite3_changeset_iter *pIter = 0; /* Iterator to skip through input */ + sqlite3_changeset_iter *pIter = 0; /* Iterator to skip through input */ int rc = sqlite3changeset_start_strm(&pIter, xInput, pIn); if( rc==SQLITE_OK ){ @@ -202523,8 +207879,8 @@ SQLITE_API int sqlite3rebaser_rebase_strm( return rc; } -/* -** Destroy a rebaser object +/* +** Destroy a rebaser object */ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p){ if( p ){ @@ -202533,7 +207889,7 @@ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p){ } } -/* +/* ** Global configuration */ SQLITE_API int sqlite3session_config(int op, void *pArg){ @@ -202560,9 +207916,9 @@ SQLITE_API int sqlite3session_config(int op, void *pArg){ /************** Begin file fts5.c ********************************************/ -#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) +#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) -#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) +#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) # define NDEBUG 1 #endif #if defined(NDEBUG) && defined(SQLITE_DEBUG) @@ -202581,7 +207937,7 @@ SQLITE_API int sqlite3session_config(int op, void *pArg){ ** ****************************************************************************** ** -** Interfaces to extend FTS5. Using the interfaces defined in this file, +** Interfaces to extend FTS5. Using the interfaces defined in this file, ** FTS5 may be extended with: ** ** * custom tokenizers, and @@ -202626,19 +207982,19 @@ struct Fts5PhraseIter { ** EXTENSION API FUNCTIONS ** ** xUserData(pFts): -** Return a copy of the context pointer the extension function was +** Return a copy of the context pointer the extension function was ** registered with. ** ** xColumnTotalSize(pFts, iCol, pnToken): ** If parameter iCol is less than zero, set output variable *pnToken ** to the total number of tokens in the FTS5 table. Or, if iCol is ** non-negative but less than the number of columns in the table, return -** the total number of tokens in column iCol, considering all rows in +** the total number of tokens in column iCol, considering all rows in ** the FTS5 table. ** ** If parameter iCol is greater than or equal to the number of columns ** in the table, SQLITE_RANGE is returned. Or, if an error occurs (e.g. -** an OOM condition or IO error), an appropriate SQLite error code is +** an OOM condition or IO error), an appropriate SQLite error code is ** returned. ** ** xColumnCount(pFts): @@ -202652,7 +208008,7 @@ struct Fts5PhraseIter { ** ** If parameter iCol is greater than or equal to the number of columns ** in the table, SQLITE_RANGE is returned. Or, if an error occurs (e.g. -** an OOM condition or IO error), an appropriate SQLite error code is +** an OOM condition or IO error), an appropriate SQLite error code is ** returned. ** ** This function may be quite inefficient if used with an FTS5 table @@ -202679,8 +208035,8 @@ struct Fts5PhraseIter { ** an error code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. If the FTS5 table is created -** with either "detail=none" or "detail=column" and "content=" option +** "detail=none" or "detail=column" option. If the FTS5 table is created +** with either "detail=none" or "detail=column" and "content=" option ** (i.e. if it is a contentless table), then this API always returns 0. ** ** xInst: @@ -202695,7 +208051,7 @@ struct Fts5PhraseIter { ** code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. +** "detail=none" or "detail=column" option. ** ** xRowid: ** Returns the rowid of the current row. @@ -202711,11 +208067,11 @@ struct Fts5PhraseIter { ** ** with $p set to a phrase equivalent to the phrase iPhrase of the ** current query is executed. Any column filter that applies to -** phrase iPhrase of the current query is included in $p. For each -** row visited, the callback function passed as the fourth argument -** is invoked. The context and API objects passed to the callback +** phrase iPhrase of the current query is included in $p. For each +** row visited, the callback function passed as the fourth argument +** is invoked. The context and API objects passed to the callback ** function may be used to access the properties of each matched row. -** Invoking Api.xUserData() returns a copy of the pointer passed as +** Invoking Api.xUserData() returns a copy of the pointer passed as ** the third argument to pUserData. ** ** If the callback function returns any value other than SQLITE_OK, the @@ -202730,14 +208086,14 @@ struct Fts5PhraseIter { ** ** xSetAuxdata(pFts5, pAux, xDelete) ** -** Save the pointer passed as the second argument as the extension functions +** Save the pointer passed as the second argument as the extension function's ** "auxiliary data". The pointer may then be retrieved by the current or any ** future invocation of the same fts5 extension function made as part of ** the same MATCH query using the xGetAuxdata() API. ** ** Each extension function is allocated a single auxiliary data slot for -** each FTS query (MATCH expression). If the extension function is invoked -** more than once for a single FTS query, then all invocations share a +** each FTS query (MATCH expression). If the extension function is invoked +** more than once for a single FTS query, then all invocations share a ** single auxiliary data context. ** ** If there is already an auxiliary data pointer when this function is @@ -202756,7 +208112,7 @@ struct Fts5PhraseIter { ** ** xGetAuxdata(pFts5, bClear) ** -** Returns the current auxiliary data pointer for the fts5 extension +** Returns the current auxiliary data pointer for the fts5 extension ** function. See the xSetAuxdata() method for details. ** ** If the bClear argument is non-zero, then the auxiliary data is cleared @@ -202776,7 +208132,7 @@ struct Fts5PhraseIter { ** method, to iterate through all instances of a single query phrase within ** the current row. This is the same information as is accessible via the ** xInstCount/xInst APIs. While the xInstCount/xInst APIs are more convenient -** to use, this API may be faster under some circumstances. To iterate +** to use, this API may be faster under some circumstances. To iterate ** through instances of phrase iPhrase, use the following code: ** ** Fts5PhraseIter iter; @@ -202794,8 +208150,8 @@ struct Fts5PhraseIter { ** xPhraseFirstColumn() and xPhraseNextColumn() as illustrated below). ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. If the FTS5 table is created -** with either "detail=none" or "detail=column" and "content=" option +** "detail=none" or "detail=column" option. If the FTS5 table is created +** with either "detail=none" or "detail=column" and "content=" option ** (i.e. if it is a contentless table), then this API always iterates ** through an empty set (all calls to xPhraseFirst() set iCol to -1). ** @@ -202819,16 +208175,16 @@ struct Fts5PhraseIter { ** } ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" option. If the FTS5 table is created with either -** "detail=none" "content=" option (i.e. if it is a contentless table), -** then this API always iterates through an empty set (all calls to +** "detail=none" option. If the FTS5 table is created with either +** "detail=none" "content=" option (i.e. if it is a contentless table), +** then this API always iterates through an empty set (all calls to ** xPhraseFirstColumn() set iCol to -1). ** ** The information accessed using this API and its companion ** xPhraseFirstColumn() may also be obtained using xPhraseFirst/xPhraseNext ** (or xInst/xInstCount). The chief advantage of this API is that it is ** significantly more efficient than those alternatives when used with -** "detail=column" tables. +** "detail=column" tables. ** ** xPhraseNextColumn() ** See xPhraseFirstColumn above. @@ -202842,7 +208198,7 @@ struct Fts5ExtensionApi { int (*xRowCount)(Fts5Context*, sqlite3_int64 *pnRow); int (*xColumnTotalSize)(Fts5Context*, int iCol, sqlite3_int64 *pnToken); - int (*xTokenize)(Fts5Context*, + int (*xTokenize)(Fts5Context*, const char *pText, int nText, /* Text to tokenize */ void *pCtx, /* Context passed to xToken() */ int (*xToken)(void*, int, const char*, int, int, int) /* Callback */ @@ -202871,15 +208227,15 @@ struct Fts5ExtensionApi { void (*xPhraseNextColumn)(Fts5Context*, Fts5PhraseIter*, int *piCol); }; -/* +/* ** CUSTOM AUXILIARY FUNCTIONS *************************************************************************/ /************************************************************************* ** CUSTOM TOKENIZERS ** -** Applications may also register custom tokenizer types. A tokenizer -** is registered by providing fts5 with a populated instance of the +** Applications may also register custom tokenizer types. A tokenizer +** is registered by providing fts5 with a populated instance of the ** following structure. All structure methods must be defined, setting ** any member of the fts5_tokenizer struct to NULL leads to undefined ** behaviour. The structure methods are expected to function as follows: @@ -202890,16 +208246,16 @@ struct Fts5ExtensionApi { ** ** The first argument passed to this function is a copy of the (void*) ** pointer provided by the application when the fts5_tokenizer object -** was registered with FTS5 (the third argument to xCreateTokenizer()). +** was registered with FTS5 (the third argument to xCreateTokenizer()). ** The second and third arguments are an array of nul-terminated strings ** containing the tokenizer arguments, if any, specified following the ** tokenizer name as part of the CREATE VIRTUAL TABLE statement used ** to create the FTS5 table. ** -** The final argument is an output variable. If successful, (*ppOut) +** The final argument is an output variable. If successful, (*ppOut) ** should be set to point to the new tokenizer handle and SQLITE_OK ** returned. If an error occurs, some value other than SQLITE_OK should -** be returned. In this case, fts5 assumes that the final value of *ppOut +** be returned. In this case, fts5 assumes that the final value of *ppOut ** is undefined. ** ** xDelete: @@ -202908,7 +208264,7 @@ struct Fts5ExtensionApi { ** be invoked exactly once for each successful call to xCreate(). ** ** xTokenize: -** This function is expected to tokenize the nText byte string indicated +** This function is expected to tokenize the nText byte string indicated ** by argument pText. pText may or may not be nul-terminated. The first ** argument passed to this function is a pointer to an Fts5Tokenizer object ** returned by an earlier call to xCreate(). @@ -202922,8 +208278,8 @@ struct Fts5ExtensionApi { ** determine the set of tokens to add to (or delete from) the ** FTS index. ** -** <li> <b>FTS5_TOKENIZE_QUERY</b> - A MATCH query is being executed -** against the FTS index. The tokenizer is being called to tokenize +** <li> <b>FTS5_TOKENIZE_QUERY</b> - A MATCH query is being executed +** against the FTS index. The tokenizer is being called to tokenize ** a bareword or quoted string specified as part of the query. ** ** <li> <b>(FTS5_TOKENIZE_QUERY | FTS5_TOKENIZE_PREFIX)</b> - Same as @@ -202931,10 +208287,10 @@ struct Fts5ExtensionApi { ** followed by a "*" character, indicating that the last token ** returned by the tokenizer will be treated as a token prefix. ** -** <li> <b>FTS5_TOKENIZE_AUX</b> - The tokenizer is being invoked to +** <li> <b>FTS5_TOKENIZE_AUX</b> - The tokenizer is being invoked to ** satisfy an fts5_api.xTokenize() request made by an auxiliary ** function. Or an fts5_api.xColumnSize() request made by the same -** on a columnsize=0 database. +** on a columnsize=0 database. ** </ul> ** ** For each token in the input string, the supplied callback xToken() must @@ -202946,10 +208302,10 @@ struct Fts5ExtensionApi { ** which the token is derived within the input. ** ** The second argument passed to the xToken() callback ("tflags") should -** normally be set to 0. The exception is if the tokenizer supports +** normally be set to 0. The exception is if the tokenizer supports ** synonyms. In this case see the discussion below for details. ** -** FTS5 assumes the xToken() callback is invoked for each token in the +** FTS5 assumes the xToken() callback is invoked for each token in the ** order that they occur within the input text. ** ** If an xToken() callback returns any value other than SQLITE_OK, then @@ -202963,7 +208319,7 @@ struct Fts5ExtensionApi { ** SYNONYM SUPPORT ** ** Custom tokenizers may also support synonyms. Consider a case in which a -** user wishes to query for a phrase such as "first place". Using the +** user wishes to query for a phrase such as "first place". Using the ** built-in tokenizers, the FTS5 query 'first + place' will match instances ** of "first place" within the document set, but not alternative forms ** such as "1st place". In some applications, it would be better to match @@ -202972,8 +208328,8 @@ struct Fts5ExtensionApi { ** ** There are several ways to approach this in FTS5: ** -** <ol><li> By mapping all synonyms to a single token. In this case, the -** In the above example, this means that the tokenizer returns the +** <ol><li> By mapping all synonyms to a single token. In this case, using +** the above example, this means that the tokenizer returns the ** same token for inputs "first" and "1st". Say that token is in ** fact "first", so that when the user inserts the document "I won ** 1st place" entries are added to the index for tokens "i", "won", @@ -202983,34 +208339,34 @@ struct Fts5ExtensionApi { ** ** <li> By querying the index for all synonyms of each query term ** separately. In this case, when tokenizing query text, the -** tokenizer may provide multiple synonyms for a single term -** within the document. FTS5 then queries the index for each +** tokenizer may provide multiple synonyms for a single term +** within the document. FTS5 then queries the index for each ** synonym individually. For example, faced with the query: ** ** <codeblock> ** ... MATCH 'first place'</codeblock> ** ** the tokenizer offers both "1st" and "first" as synonyms for the -** first token in the MATCH query and FTS5 effectively runs a query +** first token in the MATCH query and FTS5 effectively runs a query ** similar to: ** ** <codeblock> ** ... MATCH '(first OR 1st) place'</codeblock> ** ** except that, for the purposes of auxiliary functions, the query -** still appears to contain just two phrases - "(first OR 1st)" +** still appears to contain just two phrases - "(first OR 1st)" ** being treated as a single phrase. ** ** <li> By adding multiple synonyms for a single term to the FTS index. ** Using this method, when tokenizing document text, the tokenizer -** provides multiple synonyms for each token. So that when a +** provides multiple synonyms for each token. So that when a ** document such as "I won first place" is tokenized, entries are ** added to the FTS index for "i", "won", "first", "1st" and ** "place". ** ** This way, even if the tokenizer does not provide synonyms ** when tokenizing query text (it should not - to do so would be -** inefficient), it doesn't matter if the user queries for +** inefficient), it doesn't matter if the user queries for ** 'first + place' or '1st + place', as there are entries in the ** FTS index corresponding to both forms of the first token. ** </ol> @@ -203031,11 +208387,11 @@ struct Fts5ExtensionApi { ** ** It is an error to specify the FTS5_TOKEN_COLOCATED flag the first time ** xToken() is called. Multiple synonyms may be specified for a single token -** by making multiple calls to xToken(FTS5_TOKEN_COLOCATED) in sequence. +** by making multiple calls to xToken(FTS5_TOKEN_COLOCATED) in sequence. ** There is no limit to the number of synonyms that may be provided for a ** single token. ** -** In many cases, method (1) above is the best approach. It does not add +** In many cases, method (1) above is the best approach. It does not add ** extra data to the FTS index or require FTS5 to query for multiple terms, ** so it is efficient in terms of disk space and query speed. However, it ** does not support prefix queries very well. If, as suggested above, the @@ -203047,18 +208403,18 @@ struct Fts5ExtensionApi { ** will not match documents that contain the token "1st" (as the tokenizer ** will probably not map "1s" to any prefix of "first"). ** -** For full prefix support, method (3) may be preferred. In this case, +** For full prefix support, method (3) may be preferred. In this case, ** because the index contains entries for both "first" and "1st", prefix ** queries such as 'fi*' or '1s*' will match correctly. However, because ** extra entries are added to the FTS index, this method uses more space ** within the database. ** ** Method (2) offers a midpoint between (1) and (3). Using this method, -** a query such as '1s*' will match documents that contain the literal +** a query such as '1s*' will match documents that contain the literal ** token "1st", but not "first" (assuming the tokenizer is not able to ** provide synonyms for prefixes). However, a non-prefix query like '1st' ** will match against "1st" and "first". This method does not require -** extra disk space, as no extra entries are added to the FTS index. +** extra disk space, as no extra entries are added to the FTS index. ** On the other hand, it may require more CPU cycles to run MATCH queries, ** as separate queries of the FTS index are required for each synonym. ** @@ -203072,10 +208428,10 @@ typedef struct fts5_tokenizer fts5_tokenizer; struct fts5_tokenizer { int (*xCreate)(void*, const char **azArg, int nArg, Fts5Tokenizer **ppOut); void (*xDelete)(Fts5Tokenizer*); - int (*xTokenize)(Fts5Tokenizer*, + int (*xTokenize)(Fts5Tokenizer*, void *pCtx, int flags, /* Mask of FTS5_TOKENIZE_* flags */ - const char *pText, int nText, + const char *pText, int nText, int (*xToken)( void *pCtx, /* Copy of 2nd argument to xTokenize() */ int tflags, /* Mask of FTS5_TOKEN_* flags */ @@ -203196,7 +208552,7 @@ typedef sqlite3_uint64 u64; #endif -/* Truncate very long tokens to this many bytes. Hard limit is +/* Truncate very long tokens to this many bytes. Hard limit is ** (65536-1-1-4-9)==65521 bytes. The limiting factor is the 16-bit offset ** field that occurs at the start of each leaf page (see fts5_index.c). */ #define FTS5_MAX_TOKEN_SIZE 32768 @@ -203208,6 +208564,11 @@ typedef sqlite3_uint64 u64; */ #define FTS5_MAX_PREFIX_INDEXES 31 +/* +** Maximum segments permitted in a single index +*/ +#define FTS5_MAX_SEGMENT 2000 + #define FTS5_DEFAULT_NEARDIST 10 #define FTS5_DEFAULT_RANK "bm25" @@ -203224,7 +208585,7 @@ static int sqlite3Fts5Corrupt(void); /* ** The assert_nc() macro is similar to the assert() macro, except that it -** is used for assert() conditions that are true only if it can be +** is used for assert() conditions that are true only if it can be ** guranteed that the database is not corrupt. */ #ifdef SQLITE_DEBUG @@ -203253,7 +208614,7 @@ SQLITE_API extern int sqlite3_fts5_may_be_corrupt; typedef struct Fts5Global Fts5Global; typedef struct Fts5Colset Fts5Colset; -/* If a NEAR() clump or phrase may only match a specific set of columns, +/* If a NEAR() clump or phrase may only match a specific set of columns, ** then an object of the following type is used to record the set of columns. ** Each entry in the aiCol[] array is a column that may be matched. ** @@ -203281,20 +208642,20 @@ typedef struct Fts5Config Fts5Config; ** ** nAutomerge: ** The minimum number of segments that an auto-merge operation should -** attempt to merge together. A value of 1 sets the object to use the +** attempt to merge together. A value of 1 sets the object to use the ** compile time default. Zero disables auto-merge altogether. ** ** zContent: ** ** zContentRowid: -** The value of the content_rowid= option, if one was specified. Or +** The value of the content_rowid= option, if one was specified. Or ** the string "rowid" otherwise. This text is not quoted - if it is ** used as part of an SQL statement it needs to be quoted appropriately. ** ** zContentExprlist: ** ** pzErrmsg: -** This exists in order to allow the fts5_index.c module to return a +** This exists in order to allow the fts5_index.c module to return a ** decent error message if it encounters a file-format version it does ** not understand. ** @@ -203318,8 +208679,8 @@ struct Fts5Config { int nPrefix; /* Number of prefix indexes */ int *aPrefix; /* Sizes in bytes of nPrefix prefix indexes */ int eContent; /* An FTS5_CONTENT value */ - char *zContent; /* content table */ - char *zContentRowid; /* "content_rowid=" option value */ + char *zContent; /* content table */ + char *zContentRowid; /* "content_rowid=" option value */ int bColumnsize; /* "columnsize=" option value (dflt==1) */ int eDetail; /* FTS5_DETAIL_XXX value */ char *zContentExprlist; @@ -203521,27 +208882,27 @@ static int sqlite3Fts5IndexClose(Fts5Index *p); ** Return a simple checksum value based on the arguments. */ static u64 sqlite3Fts5IndexEntryCksum( - i64 iRowid, - int iCol, - int iPos, + i64 iRowid, + int iCol, + int iPos, int iIdx, const char *pTerm, int nTerm ); /* -** Argument p points to a buffer containing utf-8 text that is n bytes in +** Argument p points to a buffer containing utf-8 text that is n bytes in ** size. Return the number of bytes in the nChar character prefix of the ** buffer, or 0 if there are less than nChar characters in total. */ static int sqlite3Fts5IndexCharlenToBytelen( - const char *p, - int nByte, + const char *p, + int nByte, int nChar ); /* -** Open a new iterator to iterate though all rowids that match the +** Open a new iterator to iterate though all rowids that match the ** specified token or token prefix. */ static int sqlite3Fts5IndexQuery( @@ -203565,6 +208926,11 @@ static int sqlite3Fts5IterNextFrom(Fts5IndexIter*, i64 iMatch); static void sqlite3Fts5IterClose(Fts5IndexIter*); /* +** Close the reader blob handle, if it is open. +*/ +static void sqlite3Fts5IndexCloseReader(Fts5Index*); + +/* ** This interface is used by the fts5vocab module. */ static const char *sqlite3Fts5IterTerm(Fts5IndexIter*, int*); @@ -203572,7 +208938,7 @@ static int sqlite3Fts5IterNextScan(Fts5IndexIter*); /* -** Insert or remove data to or from the index. Each time a document is +** Insert or remove data to or from the index. Each time a document is ** added to or removed from the index, this function is called one or more ** times. ** @@ -203607,7 +208973,7 @@ static int sqlite3Fts5IndexSync(Fts5Index *p); /* ** Discard any data stored in the in-memory hash tables. Do not write it ** to the database. Additionally, assume that the contents of the %_data -** table may have changed on disk. So any in-memory caches of %_data +** table may have changed on disk. So any in-memory caches of %_data ** records must be invalidated. */ static int sqlite3Fts5IndexRollback(Fts5Index *p); @@ -203623,16 +208989,16 @@ static int sqlite3Fts5IndexSetAverages(Fts5Index *p, const u8*, int); */ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index*, u64 cksum); -/* -** Called during virtual module initialization to register UDF -** fts5_decode() with SQLite +/* +** Called during virtual module initialization to register UDF +** fts5_decode() with SQLite */ static int sqlite3Fts5IndexInit(sqlite3*); static int sqlite3Fts5IndexSetCookie(Fts5Index*, int); /* -** Return the total number of entries read from the %_data table by +** Return the total number of entries read from the %_data table by ** this connection since it was created. */ static int sqlite3Fts5IndexReads(Fts5Index *p); @@ -203649,7 +209015,7 @@ static int sqlite3Fts5IndexLoadConfig(Fts5Index *p); **************************************************************************/ /************************************************************************** -** Interface to code in fts5_varint.c. +** Interface to code in fts5_varint.c. */ static int sqlite3Fts5GetVarint32(const unsigned char *p, u32 *v); static int sqlite3Fts5GetVarintLen(u32 iVal); @@ -203674,7 +209040,7 @@ static int sqlite3Fts5PutVarint(unsigned char *p, u64 v); /************************************************************************** -** Interface to code in fts5_main.c. +** Interface to code in fts5_main.c. */ /* @@ -203688,7 +209054,7 @@ struct Fts5Table { }; static int sqlite3Fts5GetTokenizer( - Fts5Global*, + Fts5Global*, const char **azArg, int nArg, Fts5Tokenizer**, @@ -203705,7 +209071,7 @@ static int sqlite3Fts5FlushToDisk(Fts5Table*); **************************************************************************/ /************************************************************************** -** Interface to code in fts5_hash.c. +** Interface to code in fts5_hash.c. */ typedef struct Fts5Hash Fts5Hash; @@ -203755,7 +209121,7 @@ static void sqlite3Fts5HashScanEntry(Fts5Hash *, **************************************************************************/ /************************************************************************** -** Interface to code in fts5_storage.c. fts5_storage.c contains contains +** Interface to code in fts5_storage.c. fts5_storage.c contains contains ** code to access the data stored in the %_content and %_docsize tables. */ @@ -203804,7 +209170,7 @@ static int sqlite3Fts5StorageReset(Fts5Storage *p); /************************************************************************** -** Interface to code in fts5_expr.c. +** Interface to code in fts5_expr.c. */ typedef struct Fts5Expr Fts5Expr; typedef struct Fts5ExprNode Fts5ExprNode; @@ -203820,10 +209186,10 @@ struct Fts5Token { /* Parse a MATCH expression. */ static int sqlite3Fts5ExprNew( - Fts5Config *pConfig, + Fts5Config *pConfig, int iCol, /* Column on LHS of MATCH operator */ const char *zExpr, - Fts5Expr **ppNew, + Fts5Expr **ppNew, char **pzErr ); @@ -203884,8 +209250,8 @@ static Fts5ExprNode *sqlite3Fts5ParseImplicitAnd( ); static Fts5ExprPhrase *sqlite3Fts5ParseTerm( - Fts5Parse *pParse, - Fts5ExprPhrase *pPhrase, + Fts5Parse *pParse, + Fts5ExprPhrase *pPhrase, Fts5Token *pToken, int bPrefix ); @@ -203893,14 +209259,14 @@ static Fts5ExprPhrase *sqlite3Fts5ParseTerm( static void sqlite3Fts5ParseSetCaret(Fts5ExprPhrase*); static Fts5ExprNearset *sqlite3Fts5ParseNearset( - Fts5Parse*, + Fts5Parse*, Fts5ExprNearset*, - Fts5ExprPhrase* + Fts5ExprPhrase* ); static Fts5Colset *sqlite3Fts5ParseColset( - Fts5Parse*, - Fts5Colset*, + Fts5Parse*, + Fts5Colset*, Fts5Token * ); @@ -203921,7 +209287,7 @@ static void sqlite3Fts5ParseNear(Fts5Parse *pParse, Fts5Token*); /************************************************************************** -** Interface to code in fts5_aux.c. +** Interface to code in fts5_aux.c. */ static int sqlite3Fts5AuxInit(fts5_api*); @@ -203930,7 +209296,7 @@ static int sqlite3Fts5AuxInit(fts5_api*); **************************************************************************/ /************************************************************************** -** Interface to code in fts5_tokenizer.c. +** Interface to code in fts5_tokenizer.c. */ static int sqlite3Fts5TokenizerInit(fts5_api*); @@ -203939,7 +209305,7 @@ static int sqlite3Fts5TokenizerInit(fts5_api*); **************************************************************************/ /************************************************************************** -** Interface to code in fts5_vocab.c. +** Interface to code in fts5_vocab.c. */ static int sqlite3Fts5VocabInit(Fts5Global*, sqlite3*); @@ -203950,7 +209316,7 @@ static int sqlite3Fts5VocabInit(Fts5Global*, sqlite3*); /************************************************************************** -** Interface to automatically generated code in fts5_unicode2.c. +** Interface to automatically generated code in fts5_unicode2.c. */ static int sqlite3Fts5UnicodeIsdiacritic(int c); static int sqlite3Fts5UnicodeFold(int c, int bRemoveDiacritic); @@ -204064,7 +209430,7 @@ static void sqlite3Fts5UnicodeAscii(u8*, u8*); ** the minor type might be the name of the identifier. ** Each non-terminal can have a different minor type. ** Terminal symbols all have the same minor type, though. -** This macros defines the minor type for terminal +** This macros defines the minor type for terminal ** symbols. ** fts5YYMINORTYPE is the data type used for all minor types. ** This is typically a union of many types, one of @@ -204124,6 +209490,7 @@ typedef union { #define sqlite3Fts5ParserCTX_STORE #define fts5YYNSTATE 35 #define fts5YYNRULE 28 +#define fts5YYNRULE_WITH_ACTION 28 #define fts5YYNFTS5TOKEN 16 #define fts5YY_MAX_SHIFT 34 #define fts5YY_MIN_SHIFTREDUCE 52 @@ -204152,7 +209519,7 @@ typedef union { /* Next are the tables used to determine what action to take based on the ** current state and lookahead token. These tables are used to implement ** functions that take a state number and lookahead value and return an -** action integer. +** action integer. ** ** Suppose the action integer is N. Then the action is determined as ** follows @@ -204252,9 +209619,9 @@ static const fts5YYACTIONTYPE fts5yy_default[] = { }; /********** End of lemon-generated parsing tables *****************************/ -/* The next table maps tokens (terminal symbols) into fallback tokens. +/* The next table maps tokens (terminal symbols) into fallback tokens. ** If a construct like the following: -** +** ** %fallback ID X Y Z. ** ** appears in the grammar, then ID becomes a fallback token for X, Y, @@ -204326,10 +209693,10 @@ static char *fts5yyTracePrompt = 0; #endif /* NDEBUG */ #ifndef NDEBUG -/* +/* ** Turn parser tracing on by giving a stream to which to write the trace ** and a prompt to preface each trace message. Tracing is turned off -** by making either argument NULL +** by making either argument NULL ** ** Inputs: ** <ul> @@ -204354,7 +209721,7 @@ static void sqlite3Fts5ParserTrace(FILE *TraceFILE, char *zTracePrompt){ #if defined(fts5YYCOVERAGE) || !defined(NDEBUG) /* For tracing shifts, the names of all terminals and nonterminals ** are required. The following table supplies these names */ -static const char *const fts5yyTokenName[] = { +static const char *const fts5yyTokenName[] = { /* 0 */ "$", /* 1 */ "OR", /* 2 */ "AND", @@ -204450,7 +209817,7 @@ static int fts5yyGrowStack(fts5yyParser *p){ #endif p->fts5yystksz = newSize; } - return pNew==0; + return pNew==0; } #endif @@ -204492,7 +209859,7 @@ static void sqlite3Fts5ParserInit(void *fts5yypRawParser sqlite3Fts5ParserCTX_PD } #ifndef sqlite3Fts5Parser_ENGINEALWAYSONSTACK -/* +/* ** This function allocates a new parser. ** The only argument is a pointer to a function which works like ** malloc. @@ -204519,7 +209886,7 @@ static void *sqlite3Fts5ParserAlloc(void *(*mallocProc)(fts5YYMALLOCARGTYPE) sql /* The following function deletes the "minor type" or semantic value ** associated with a symbol. The symbol can be either a terminal ** or nonterminal. "fts5yymajor" is the symbol code, and "fts5yypminor" is -** a pointer to the value to be deleted. The code used to do the +** a pointer to the value to be deleted. The code used to do the ** deletions is derived from the %destructor and/or %token_destructor ** directives of the input grammar. */ @@ -204534,7 +209901,7 @@ static void fts5yy_destructor( /* Here is inserted the actions which take place when a ** terminal or non-terminal is destroyed. This can happen ** when the symbol is popped from the stack during a - ** reduce or during error processing or when a parser is + ** reduce or during error processing or when a parser is ** being destroyed before it is finished parsing. ** ** Note: during a reduce, the only symbols destroyed are those @@ -204544,31 +209911,31 @@ static void fts5yy_destructor( /********* Begin destructor definitions ***************************************/ case 16: /* input */ { - (void)pParse; + (void)pParse; } break; case 17: /* expr */ case 18: /* cnearset */ case 19: /* exprlist */ { - sqlite3Fts5ParseNodeFree((fts5yypminor->fts5yy24)); + sqlite3Fts5ParseNodeFree((fts5yypminor->fts5yy24)); } break; case 20: /* colset */ case 21: /* colsetlist */ { - sqlite3_free((fts5yypminor->fts5yy11)); + sqlite3_free((fts5yypminor->fts5yy11)); } break; case 22: /* nearset */ case 23: /* nearphrases */ { - sqlite3Fts5ParseNearsetFree((fts5yypminor->fts5yy46)); + sqlite3Fts5ParseNearsetFree((fts5yypminor->fts5yy46)); } break; case 24: /* phrase */ { - sqlite3Fts5ParsePhraseFree((fts5yypminor->fts5yy53)); + sqlite3Fts5ParsePhraseFree((fts5yypminor->fts5yy53)); } break; /********* End destructor definitions *****************************************/ @@ -204609,7 +209976,7 @@ static void sqlite3Fts5ParserFinalize(void *p){ } #ifndef sqlite3Fts5Parser_ENGINEALWAYSONSTACK -/* +/* ** Deallocate and destroy a parser. Destructors are called for ** all stack elements before shutting the parser down. ** @@ -204831,7 +210198,7 @@ static void fts5yy_shift( assert( fts5yypParser->fts5yyhwm == (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack) ); } #endif -#if fts5YYSTACKDEPTH>0 +#if fts5YYSTACKDEPTH>0 if( fts5yypParser->fts5yytos>fts5yypParser->fts5yystackEnd ){ fts5yypParser->fts5yytos--; fts5yyStackOverflow(fts5yypParser); @@ -204953,12 +210320,15 @@ static fts5YYACTIONTYPE fts5yy_reduce( if( fts5yyTraceFILE && fts5yyruleno<(int)(sizeof(fts5yyRuleName)/sizeof(fts5yyRuleName[0])) ){ fts5yysize = fts5yyRuleInfoNRhs[fts5yyruleno]; if( fts5yysize ){ - fprintf(fts5yyTraceFILE, "%sReduce %d [%s], go to state %d.\n", + fprintf(fts5yyTraceFILE, "%sReduce %d [%s]%s, pop back to state %d.\n", fts5yyTracePrompt, - fts5yyruleno, fts5yyRuleName[fts5yyruleno], fts5yymsp[fts5yysize].stateno); + fts5yyruleno, fts5yyRuleName[fts5yyruleno], + fts5yyruleno<fts5YYNRULE_WITH_ACTION ? "" : " without external action", + fts5yymsp[fts5yysize].stateno); }else{ - fprintf(fts5yyTraceFILE, "%sReduce %d [%s].\n", - fts5yyTracePrompt, fts5yyruleno, fts5yyRuleName[fts5yyruleno]); + fprintf(fts5yyTraceFILE, "%sReduce %d [%s]%s.\n", + fts5yyTracePrompt, fts5yyruleno, fts5yyRuleName[fts5yyruleno], + fts5yyruleno<fts5YYNRULE_WITH_ACTION ? "" : " without external action"); } } #endif /* NDEBUG */ @@ -204973,7 +210343,7 @@ static fts5YYACTIONTYPE fts5yy_reduce( assert( fts5yypParser->fts5yyhwm == (int)(fts5yypParser->fts5yytos - fts5yypParser->fts5yystack)); } #endif -#if fts5YYSTACKDEPTH>0 +#if fts5YYSTACKDEPTH>0 if( fts5yypParser->fts5yytos>=fts5yypParser->fts5yystackEnd ){ fts5yyStackOverflow(fts5yypParser); /* The call to fts5yyStackOverflow() above pops the stack until it is @@ -205010,7 +210380,7 @@ static fts5YYACTIONTYPE fts5yy_reduce( { sqlite3Fts5ParseFinished(pParse, fts5yymsp[0].minor.fts5yy24); } break; case 1: /* colset ::= MINUS LCP colsetlist RCP */ -{ +{ fts5yymsp[-3].minor.fts5yy11 = sqlite3Fts5ParseColsetInvert(pParse, fts5yymsp[-1].minor.fts5yy11); } break; @@ -205030,13 +210400,13 @@ static fts5YYACTIONTYPE fts5yy_reduce( } break; case 5: /* colsetlist ::= colsetlist STRING */ -{ +{ fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, fts5yymsp[-1].minor.fts5yy11, &fts5yymsp[0].minor.fts5yy0); } fts5yymsp[-1].minor.fts5yy11 = fts5yylhsminor.fts5yy11; break; case 6: /* colsetlist ::= STRING */ -{ - fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0); +{ + fts5yylhsminor.fts5yy11 = sqlite3Fts5ParseColset(pParse, 0, &fts5yymsp[0].minor.fts5yy0); } fts5yymsp[0].minor.fts5yy11 = fts5yylhsminor.fts5yy11; break; @@ -205080,14 +210450,14 @@ static fts5YYACTIONTYPE fts5yy_reduce( fts5yymsp[-1].minor.fts5yy24 = fts5yylhsminor.fts5yy24; break; case 15: /* cnearset ::= nearset */ -{ - fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); +{ + fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); } fts5yymsp[0].minor.fts5yy24 = fts5yylhsminor.fts5yy24; break; case 16: /* cnearset ::= colset COLON nearset */ -{ - fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); +{ + fts5yylhsminor.fts5yy24 = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, fts5yymsp[0].minor.fts5yy46); sqlite3Fts5ParseSetColset(pParse, fts5yylhsminor.fts5yy24, fts5yymsp[-2].minor.fts5yy11); } fts5yymsp[-2].minor.fts5yy24 = fts5yylhsminor.fts5yy24; @@ -205097,9 +210467,9 @@ static fts5YYACTIONTYPE fts5yy_reduce( fts5yymsp[0].minor.fts5yy46 = fts5yylhsminor.fts5yy46; break; case 18: /* nearset ::= CARET phrase */ -{ +{ sqlite3Fts5ParseSetCaret(fts5yymsp[0].minor.fts5yy53); - fts5yymsp[-1].minor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); + fts5yymsp[-1].minor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); } break; case 19: /* nearset ::= STRING LP nearphrases neardist_opt RP */ @@ -205111,8 +210481,8 @@ static fts5YYACTIONTYPE fts5yy_reduce( fts5yymsp[-4].minor.fts5yy46 = fts5yylhsminor.fts5yy46; break; case 20: /* nearphrases ::= phrase */ -{ - fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); +{ + fts5yylhsminor.fts5yy46 = sqlite3Fts5ParseNearset(pParse, 0, fts5yymsp[0].minor.fts5yy53); } fts5yymsp[0].minor.fts5yy46 = fts5yylhsminor.fts5yy46; break; @@ -205129,13 +210499,13 @@ static fts5YYACTIONTYPE fts5yy_reduce( { fts5yymsp[-1].minor.fts5yy0 = fts5yymsp[0].minor.fts5yy0; } break; case 24: /* phrase ::= phrase PLUS STRING star_opt */ -{ +{ fts5yylhsminor.fts5yy53 = sqlite3Fts5ParseTerm(pParse, fts5yymsp[-3].minor.fts5yy53, &fts5yymsp[-1].minor.fts5yy0, fts5yymsp[0].minor.fts5yy4); } fts5yymsp[-3].minor.fts5yy53 = fts5yylhsminor.fts5yy53; break; case 25: /* phrase ::= STRING star_opt */ -{ +{ fts5yylhsminor.fts5yy53 = sqlite3Fts5ParseTerm(pParse, 0, &fts5yymsp[-1].minor.fts5yy0, fts5yymsp[0].minor.fts5yy4); } fts5yymsp[-1].minor.fts5yy53 = fts5yylhsminor.fts5yy53; @@ -205326,7 +210696,7 @@ static void sqlite3Fts5Parser( #ifdef fts5YYERRORSYMBOL /* A syntax error has occurred. ** The response to an error depends upon whether or not the - ** grammar defines an error token "ERROR". + ** grammar defines an error token "ERROR". ** ** This is what we do if the grammar does define ERROR: ** @@ -205440,8 +210810,8 @@ static int sqlite3Fts5ParserFallback(int iToken){ return fts5yyFallback[iToken]; #else (void)iToken; -#endif return 0; +#endif } /* @@ -205462,7 +210832,7 @@ static int sqlite3Fts5ParserFallback(int iToken){ #include <math.h> /* amalgamator: keep */ /* -** Object used to iterate through all "coalesced phrase instances" in +** Object used to iterate through all "coalesced phrase instances" in ** a single column of the current row. If the phrase instances in the ** column being considered do not overlap, this object simply iterates ** through them. Or, if they do overlap (share one or more tokens in @@ -205525,7 +210895,7 @@ static int fts5CInstIterNext(CInstIter *pIter){ } /* -** Initialize the iterator object indicated by the final parameter to +** Initialize the iterator object indicated by the final parameter to ** iterate through coalesced phrase instances in column iCol. */ static int fts5CInstIterInit( @@ -205570,16 +210940,16 @@ struct HighlightContext { /* ** Append text to the HighlightContext output string - p->zOut. Argument -** z points to a buffer containing n bytes of text to append. If n is +** z points to a buffer containing n bytes of text to append. If n is ** negative, everything up until the first '\0' is appended to the output. ** -** If *pRc is set to any value other than SQLITE_OK when this function is -** called, it is a no-op. If an error (i.e. an OOM condition) is encountered, -** *pRc is set to an error code before returning. +** If *pRc is set to any value other than SQLITE_OK when this function is +** called, it is a no-op. If an error (i.e. an OOM condition) is encountered, +** *pRc is set to an error code before returning. */ static void fts5HighlightAppend( - int *pRc, - HighlightContext *p, + int *pRc, + HighlightContext *p, const char *z, int n ){ if( *pRc==SQLITE_OK && z ){ @@ -205806,7 +211176,7 @@ static int fts5SnippetScore( } /* -** Return the value in pVal interpreted as utf-8 text. Except, if pVal +** Return the value in pVal interpreted as utf-8 text. Except, if pVal ** contains a NULL value, return a pointer to a static string zero ** bytes in length instead of a NULL pointer. */ @@ -205875,7 +211245,7 @@ static void fts5SnippetFunction( sFinder.nFirst = 0; rc = pApi->xColumnText(pFts, i, &sFinder.zDoc, &nDoc); if( rc!=SQLITE_OK ) break; - rc = pApi->xTokenize(pFts, + rc = pApi->xTokenize(pFts, sFinder.zDoc, nDoc, (void*)&sFinder,fts5SentenceFinderCb ); if( rc!=SQLITE_OK ) break; @@ -205910,7 +211280,7 @@ static void fts5SnippetFunction( if( sFinder.aFirst[jj]<io ){ memset(aSeen, 0, nPhrase); - rc = fts5SnippetScore(pApi, pFts, nDocsize, aSeen, i, + rc = fts5SnippetScore(pApi, pFts, nDocsize, aSeen, i, sFinder.aFirst[jj], nToken, &nScore, 0 ); @@ -205989,7 +211359,7 @@ struct Fts5Bm25Data { ** table matched by each individual phrase within the query. */ static int fts5CountCb( - const Fts5ExtensionApi *pApi, + const Fts5ExtensionApi *pApi, Fts5Context *pFts, void *pUserData /* Pointer to sqlite3_int64 variable */ ){ @@ -206000,12 +211370,12 @@ static int fts5CountCb( } /* -** Set *ppData to point to the Fts5Bm25Data object for the current query. +** Set *ppData to point to the Fts5Bm25Data object for the current query. ** If the object has not already been allocated, allocate and populate it ** now. */ static int fts5Bm25GetData( - const Fts5ExtensionApi *pApi, + const Fts5ExtensionApi *pApi, Fts5Context *pFts, Fts5Bm25Data **ppData /* OUT: bm25-data object for this query */ ){ @@ -206053,7 +211423,7 @@ static int fts5Bm25GetData( ** is the number that contain at least one instance of the phrase ** under consideration. ** - ** The problem with this is that if (N < 2*nHit), the IDF is + ** The problem with this is that if (N < 2*nHit), the IDF is ** negative. Which is undesirable. So the mimimum allowable IDF is ** (1e-6) - roughly the same as a term that appears in just over ** half of set of 5,000,000 documents. */ @@ -206121,11 +211491,11 @@ static void fts5Bm25Function( /* Determine the BM25 score for the current row. */ for(i=0; rc==SQLITE_OK && i<pData->nPhrase; i++){ score += pData->aIDF[i] * ( - ( aFreq[i] * (k1 + 1.0) ) / + ( aFreq[i] * (k1 + 1.0) ) / ( aFreq[i] + k1 * (1 - b + b * D / pData->avgdl) ) ); } - + /* If no error has occurred, return the calculated score. Otherwise, ** throw an SQL exception. */ if( rc==SQLITE_OK ){ @@ -206219,14 +211589,14 @@ static int sqlite3Fts5Get32(const u8 *aBuf){ } /* -** Append buffer nData/pData to buffer pBuf. If an OOM error occurs, set +** Append buffer nData/pData to buffer pBuf. If an OOM error occurs, set ** the error code in p. If an error has already occurred when this function ** is called, it is a no-op. */ static void sqlite3Fts5BufferAppendBlob( int *pRc, - Fts5Buffer *pBuf, - u32 nData, + Fts5Buffer *pBuf, + u32 nData, const u8 *pData ){ assert_nc( *pRc || nData>=0 ); @@ -206239,12 +211609,12 @@ static void sqlite3Fts5BufferAppendBlob( /* ** Append the nul-terminated string zStr to the buffer pBuf. This function -** ensures that the byte following the buffer data is set to 0x00, even +** ensures that the byte following the buffer data is set to 0x00, even ** though this byte is not included in the pBuf->n count. */ static void sqlite3Fts5BufferAppendString( int *pRc, - Fts5Buffer *pBuf, + Fts5Buffer *pBuf, const char *zStr ){ int nStr = (int)strlen(zStr); @@ -206256,13 +211626,13 @@ static void sqlite3Fts5BufferAppendString( ** Argument zFmt is a printf() style format string. This function performs ** the printf() style processing, then appends the results to buffer pBuf. ** -** Like sqlite3Fts5BufferAppendString(), this function ensures that the byte +** Like sqlite3Fts5BufferAppendString(), this function ensures that the byte ** following the buffer data is set to 0x00, even though this byte is not ** included in the pBuf->n count. -*/ +*/ static void sqlite3Fts5BufferAppendPrintf( int *pRc, - Fts5Buffer *pBuf, + Fts5Buffer *pBuf, char *zFmt, ... ){ if( *pRc==SQLITE_OK ){ @@ -206289,12 +211659,12 @@ static char *sqlite3Fts5Mprintf(int *pRc, const char *zFmt, ...){ zRet = sqlite3_vmprintf(zFmt, ap); va_end(ap); if( zRet==0 ){ - *pRc = SQLITE_NOMEM; + *pRc = SQLITE_NOMEM; } } return zRet; } - + /* ** Free any buffer allocated by pBuf. Zero the structure before returning. @@ -206305,7 +211675,7 @@ static void sqlite3Fts5BufferFree(Fts5Buffer *pBuf){ } /* -** Zero the contents of the buffer object. But do not free the associated +** Zero the contents of the buffer object. But do not free the associated ** memory allocation. */ static void sqlite3Fts5BufferZero(Fts5Buffer *pBuf){ @@ -206319,8 +211689,8 @@ static void sqlite3Fts5BufferZero(Fts5Buffer *pBuf){ */ static void sqlite3Fts5BufferSet( int *pRc, - Fts5Buffer *pBuf, - int nData, + Fts5Buffer *pBuf, + int nData, const u8 *pData ){ pBuf->n = 0; @@ -206336,7 +211706,7 @@ static int sqlite3Fts5PoslistNext64( if( i>=n ){ /* EOF */ *piOff = -1; - return 1; + return 1; }else{ i64 iOff = *piOff; int iVal; @@ -206391,8 +211761,8 @@ static int sqlite3Fts5PoslistReaderInit( ** to iPos before returning. */ static void sqlite3Fts5PoslistSafeAppend( - Fts5Buffer *pBuf, - i64 *piPrev, + Fts5Buffer *pBuf, + i64 *piPrev, i64 iPos ){ static const i64 colmask = ((i64)(0x7FFFFFFF)) << 32; @@ -206406,7 +211776,7 @@ static void sqlite3Fts5PoslistSafeAppend( } static int sqlite3Fts5PoslistWriterAppend( - Fts5Buffer *pBuf, + Fts5Buffer *pBuf, Fts5PoslistWriter *pWriter, i64 iPos ){ @@ -206435,7 +211805,7 @@ static void *sqlite3Fts5MallocZero(int *pRc, sqlite3_int64 nByte){ ** the length of the string is determined using strlen(). ** ** It is the responsibility of the caller to eventually free the returned -** buffer using sqlite3_free(). If an OOM error occurs, NULL is returned. +** buffer using sqlite3_free(). If an OOM error occurs, NULL is returned. */ static char *sqlite3Fts5Strndup(int *pRc, const char *pIn, int nIn){ char *zRet = 0; @@ -206502,9 +211872,9 @@ static int sqlite3Fts5TermsetNew(Fts5Termset **pp){ } static int sqlite3Fts5TermsetAdd( - Fts5Termset *p, + Fts5Termset *p, int iIdx, - const char *pTerm, int nTerm, + const char *pTerm, int nTerm, int *pbPresent ){ int rc = SQLITE_OK; @@ -206525,9 +211895,9 @@ static int sqlite3Fts5TermsetAdd( hash = hash % ArraySize(p->apHash); for(pEntry=p->apHash[hash]; pEntry; pEntry=pEntry->pNext){ - if( pEntry->iIdx==iIdx - && pEntry->nTerm==nTerm - && memcmp(pEntry->pTerm, pTerm, nTerm)==0 + if( pEntry->iIdx==iIdx + && pEntry->nTerm==nTerm + && memcmp(pEntry->pTerm, pTerm, nTerm)==0 ){ *pbPresent = 1; break; @@ -206590,7 +211960,7 @@ static void sqlite3Fts5TermsetFree(Fts5Termset *p){ #define FTS5_DEFAULT_HASHSIZE (1024*1024) /* Maximum allowed page size */ -#define FTS5_MAX_PAGE_SIZE (128*1024) +#define FTS5_MAX_PAGE_SIZE (64*1024) static int fts5_iswhitespace(char x){ return (x==' '); @@ -206601,8 +211971,8 @@ static int fts5_isopenquote(char x){ } /* -** Argument pIn points to a character that is part of a nul-terminated -** string. Return a pointer to the first character following *pIn in +** Argument pIn points to a character that is part of a nul-terminated +** string. Return a pointer to the first character following *pIn in ** the string that is not a white-space character. */ static const char *fts5ConfigSkipWhitespace(const char *pIn){ @@ -206614,8 +211984,8 @@ static const char *fts5ConfigSkipWhitespace(const char *pIn){ } /* -** Argument pIn points to a character that is part of a nul-terminated -** string. Return a pointer to the first character following *pIn in +** Argument pIn points to a character that is part of a nul-terminated +** string. Return a pointer to the first character following *pIn in ** the string that is not a "bareword" character. */ static const char *fts5ConfigSkipBareword(const char *pIn){ @@ -206646,9 +212016,9 @@ static const char *fts5ConfigSkipLiteral(const char *pIn){ p++; if( *p=='\'' ){ p++; - while( (*p>='a' && *p<='f') - || (*p>='A' && *p<='F') - || (*p>='0' && *p<='9') + while( (*p>='a' && *p<='f') + || (*p>='A' && *p<='F') + || (*p>='0' && *p<='9') ){ p++; } @@ -206679,7 +212049,7 @@ static const char *fts5ConfigSkipLiteral(const char *pIn){ if( *p=='+' || *p=='-' ) p++; while( fts5_isdigit(*p) ) p++; - /* At this point, if the literal was an integer, the parse is + /* At this point, if the literal was an integer, the parse is ** finished. Or, if it is a floating point value, it may continue ** with either a decimal point or an 'E' character. */ if( *p=='.' && fts5_isdigit(p[1]) ){ @@ -206703,8 +212073,8 @@ static const char *fts5ConfigSkipLiteral(const char *pIn){ ** nul-terminator byte. ** ** If the close-quote is found, the value returned is the byte offset of -** the character immediately following it. Or, if the close-quote is not -** found, -1 is returned. If -1 is returned, the buffer is left in an +** the character immediately following it. Or, if the close-quote is not +** found, -1 is returned. If -1 is returned, the buffer is left in an ** undefined state. */ static int fts5Dequote(char *z){ @@ -206715,9 +212085,9 @@ static int fts5Dequote(char *z){ /* Set stack variable q to the close-quote character */ assert( q=='[' || q=='\'' || q=='"' || q=='`' ); - if( q=='[' ) q = ']'; + if( q=='[' ) q = ']'; - while( ALWAYS(z[iIn]) ){ + while( z[iIn] ){ if( z[iIn]==q ){ if( z[iIn+1]!=q ){ /* Character iIn was the close quote. */ @@ -206725,7 +212095,7 @@ static int fts5Dequote(char *z){ break; }else{ /* Character iIn and iIn+1 form an escaped quote character. Skip - ** the input cursor past both and copy a single quote character + ** the input cursor past both and copy a single quote character ** to the output buffer. */ iIn += 2; z[iOut++] = q; @@ -206770,8 +212140,8 @@ struct Fts5Enum { typedef struct Fts5Enum Fts5Enum; static int fts5ConfigSetEnum( - const Fts5Enum *aEnum, - const char *zEnum, + const Fts5Enum *aEnum, + const char *zEnum, int *peVal ){ int nEnum = (int)strlen(zEnum); @@ -206891,7 +212261,7 @@ static int fts5ConfigParseSpecial( *pzErr = sqlite3_mprintf("parse error in tokenize directive"); rc = SQLITE_ERROR; }else{ - rc = sqlite3Fts5GetTokenizer(pGlobal, + rc = sqlite3Fts5GetTokenizer(pGlobal, (const char**)azArg, (int)nArg, &pConfig->pTok, &pConfig->pTokApi, pzErr ); @@ -206958,7 +212328,7 @@ static int fts5ConfigParseSpecial( } /* -** Allocate an instance of the default tokenizer ("simple") at +** Allocate an instance of the default tokenizer ("simple") at ** Fts5Config.pTokenizer. Return SQLITE_OK if successful, or an SQLite error ** code if an error occurs. */ @@ -207025,14 +212395,14 @@ static const char *fts5ConfigGobbleWord( } static int fts5ConfigParseColumn( - Fts5Config *p, - char *zCol, - char *zArg, + Fts5Config *p, + char *zCol, + char *zArg, char **pzErr ){ int rc = SQLITE_OK; - if( 0==sqlite3_stricmp(zCol, FTS5_RANK_NAME) - || 0==sqlite3_stricmp(zCol, FTS5_ROWID_NAME) + if( 0==sqlite3_stricmp(zCol, FTS5_RANK_NAME) + || 0==sqlite3_stricmp(zCol, FTS5_ROWID_NAME) ){ *pzErr = sqlite3_mprintf("reserved fts5 column name: %s", zCol); rc = SQLITE_ERROR; @@ -207075,14 +212445,14 @@ static int fts5ConfigMakeExprlist(Fts5Config *p){ /* ** Arguments nArg/azArg contain the string arguments passed to the xCreate -** or xConnect method of the virtual table. This function attempts to +** or xConnect method of the virtual table. This function attempts to ** allocate an instance of Fts5Config containing the results of parsing ** those arguments. ** ** If successful, SQLITE_OK is returned and *ppOut is set to point to the -** new Fts5Config object. If an error occurs, an SQLite error code is +** new Fts5Config object. If an error occurs, an SQLite error code is ** returned, *ppOut is set to NULL and an error message may be left in -** *pzErr. It is the responsibility of the caller to eventually free any +** *pzErr. It is the responsibility of the caller to eventually free any ** such error message using sqlite3_free(). */ static int sqlite3Fts5ConfigParse( @@ -207169,8 +212539,8 @@ static int sqlite3Fts5ConfigParse( /* If no zContent option was specified, fill in the default values. */ if( rc==SQLITE_OK && pRet->zContent==0 ){ const char *zTail = 0; - assert( pRet->eContent==FTS5_CONTENT_NORMAL - || pRet->eContent==FTS5_CONTENT_NONE + assert( pRet->eContent==FTS5_CONTENT_NORMAL + || pRet->eContent==FTS5_CONTENT_NONE ); if( pRet->eContent==FTS5_CONTENT_NORMAL ){ zTail = "content"; @@ -207241,7 +212611,7 @@ static int sqlite3Fts5ConfigDeclareVtab(Fts5Config *pConfig){ const char *zSep = (i==0?"":", "); zSql = sqlite3Fts5Mprintf(&rc, "%z%s%Q", zSql, zSep, pConfig->azCol[i]); } - zSql = sqlite3Fts5Mprintf(&rc, "%z, %Q HIDDEN, %s HIDDEN)", + zSql = sqlite3Fts5Mprintf(&rc, "%z, %Q HIDDEN, %s HIDDEN)", zSql, pConfig->zName, FTS5_RANK_NAME ); @@ -207250,7 +212620,7 @@ static int sqlite3Fts5ConfigDeclareVtab(Fts5Config *pConfig){ rc = sqlite3_declare_vtab(pConfig->db, zSql); sqlite3_free(zSql); } - + return rc; } @@ -207268,7 +212638,7 @@ static int sqlite3Fts5ConfigDeclareVtab(Fts5Config *pConfig){ ** int iPos // Position of token in input (first token is 0) ** ** If the callback returns a non-zero value the tokenization is abandoned -** and no further callbacks are issued. +** and no further callbacks are issued. ** ** This function returns SQLITE_OK if successful or an SQLite error code ** if an error occurs. If the tokenization was abandoned early because @@ -207298,7 +212668,7 @@ static int sqlite3Fts5Tokenize( */ static const char *fts5ConfigSkipArgs(const char *pIn){ const char *p = pIn; - + while( 1 ){ p = fts5ConfigSkipWhitespace(p); p = fts5ConfigSkipLiteral(p); @@ -207315,7 +212685,7 @@ static const char *fts5ConfigSkipArgs(const char *pIn){ } /* -** Parameter zIn contains a rank() function specification. The format of +** Parameter zIn contains a rank() function specification. The format of ** this is: ** ** + Bareword (function name) @@ -207357,7 +212727,7 @@ static int sqlite3Fts5ConfigParseRank( p++; } if( rc==SQLITE_OK ){ - const char *pArgs; + const char *pArgs; p = fts5ConfigSkipWhitespace(p); pArgs = p; if( *p!=')' ){ @@ -207383,8 +212753,8 @@ static int sqlite3Fts5ConfigParseRank( } static int sqlite3Fts5ConfigSetValue( - Fts5Config *pConfig, - const char *zKey, + Fts5Config *pConfig, + const char *zKey, sqlite3_value *pVal, int *pbBadkey ){ @@ -207395,7 +212765,7 @@ static int sqlite3Fts5ConfigSetValue( if( SQLITE_INTEGER==sqlite3_value_numeric_type(pVal) ){ pgsz = sqlite3_value_int(pVal); } - if( pgsz<=0 || pgsz>FTS5_MAX_PAGE_SIZE ){ + if( pgsz<32 || pgsz>FTS5_MAX_PAGE_SIZE ){ *pbBadkey = 1; }else{ pConfig->pgsz = pgsz; @@ -207448,6 +212818,7 @@ static int sqlite3Fts5ConfigSetValue( *pbBadkey = 1; }else{ if( nCrisisMerge<=1 ) nCrisisMerge = FTS5_DEFAULT_CRISISMERGE; + if( nCrisisMerge>=FTS5_MAX_SEGMENT ) nCrisisMerge = FTS5_MAX_SEGMENT-1; pConfig->nCrisisMerge = nCrisisMerge; } } @@ -207509,7 +212880,7 @@ static int sqlite3Fts5ConfigLoad(Fts5Config *pConfig, int iCookie){ } rc = sqlite3_finalize(p); } - + if( rc==SQLITE_OK && iVersion!=FTS5_CURRENT_VERSION ){ rc = SQLITE_ERROR; if( pConfig->pzErrmsg ){ @@ -207598,7 +212969,7 @@ struct Fts5ExprNode { i64 iRowid; /* Current rowid */ Fts5ExprNearset *pNear; /* For FTS5_STRING - cluster of phrases */ - /* Child nodes. For a NOT node, this array always contains 2 entries. For + /* Child nodes. For a NOT node, this array always contains 2 entries. For ** AND or OR nodes, it contains 2 or more entries. */ int nChild; /* Number of child nodes */ Fts5ExprNode *apChild[1]; /* Array of child nodes */ @@ -207677,7 +213048,7 @@ static int fts5ExprIsspace(char t){ ** Read the first token from the nul-terminated string at *pz. */ static int fts5ExprGetToken( - Fts5Parse *pParse, + Fts5Parse *pParse, const char **pz, /* IN/OUT: Pointer into buffer */ Fts5Token *pToken ){ @@ -207747,7 +213118,7 @@ static int sqlite3Fts5ExprNew( Fts5Config *pConfig, /* FTS5 Configuration */ int iCol, const char *zExpr, /* Expression text */ - Fts5Expr **ppNew, + Fts5Expr **ppNew, char **pzErr ){ Fts5Parse sParse; @@ -207903,7 +213274,7 @@ static i64 fts5ExprSynonymRowid(Fts5ExprTerm *pTerm, int bDesc, int *pbEof){ ** Argument pTerm must be a synonym iterator. */ static int fts5ExprSynonymList( - Fts5ExprTerm *pTerm, + Fts5ExprTerm *pTerm, i64 iRowid, Fts5Buffer *pBuf, /* Use this buffer for space if required */ u8 **pa, int *pn @@ -207976,13 +213347,13 @@ static int fts5ExprSynonymList( /* ** All individual term iterators in pPhrase are guaranteed to be valid and -** pointing to the same rowid when this function is called. This function +** pointing to the same rowid when this function is called. This function ** checks if the current rowid really is a match, and if so populates ** the pPhrase->poslist buffer accordingly. Output parameter *pbMatch ** is set to true if this is really a match, or false otherwise. ** -** SQLITE_OK is returned if an error occurs, or an SQLite error code -** otherwise. It is not considered an error code if the current rowid is +** SQLITE_OK is returned if an error occurs, or an SQLite error code +** otherwise. It is not considered an error code if the current rowid is ** not a match. */ static int fts5ExprPhraseIsMatch( @@ -207996,7 +213367,7 @@ static int fts5ExprPhraseIsMatch( int i; int rc = SQLITE_OK; int bFirst = pPhrase->aTerm[0].bFirst; - + fts5BufferZero(&pPhrase->poslist); /* If the aStatic[] array is not large enough, allocate a large array @@ -208118,7 +213489,7 @@ struct Fts5NearTrimmer { ** function is called, it is a no-op. Or, if an error (e.g. SQLITE_NOMEM) ** occurs within this function (*pRc) is set accordingly before returning. ** The return value is undefined in both these cases. -** +** ** If no error occurs and non-zero (a match) is returned, the position-list ** of each phrase object is edited to contain only those entries that ** meet the constraint before returning. @@ -208150,7 +213521,7 @@ static int fts5ExprNearIsMatch(int *pRc, Fts5ExprNearset *pNear){ /* Initialize a lookahead iterator for each phrase. After passing the ** buffer and buffer size to the lookaside-reader init function, zero ** the phrase poslist buffer. The new poslist for the phrase (containing - ** the same entries as the original with some entries removed on account + ** the same entries as the original with some entries removed on account ** of the NEAR constraint) is written over the original even as it is ** being read. This is safe as the entries for the new poslist are a ** subset of the old, so it is not possible for data yet to be read to @@ -208307,7 +213678,7 @@ static int fts5ExprNearTest( ** phrase is not a match, break out of the loop early. */ for(i=0; rc==SQLITE_OK && i<pNear->nPhrase; i++){ Fts5ExprPhrase *pPhrase = pNear->apPhrase[i]; - if( pPhrase->nTerm>1 || pPhrase->aTerm[0].pSynonym + if( pPhrase->nTerm>1 || pPhrase->aTerm[0].pSynonym || pNear->pColset || pPhrase->aTerm[0].bFirst ){ int bMatch = 0; @@ -208455,7 +213826,7 @@ static void fts5ExprNodeZeroPoslist(Fts5ExprNode *pNode){ */ static int fts5NodeCompare( Fts5Expr *pExpr, - Fts5ExprNode *p1, + Fts5ExprNode *p1, Fts5ExprNode *p2 ){ if( p2->bEof ) return -1; @@ -208470,7 +213841,7 @@ static int fts5NodeCompare( ** If an EOF is reached before this happens, *pbEof is set to true before ** returning. ** -** SQLITE_OK is returned if an error occurs, or an SQLite error code +** SQLITE_OK is returned if an error occurs, or an SQLite error code ** otherwise. It is not considered an error code if an iterator reaches ** EOF. */ @@ -208487,8 +213858,8 @@ static int fts5ExprNodeTest_STRING( const int bDesc = pExpr->bDesc; /* Check that this node should not be FTS5_TERM */ - assert( pNear->nPhrase>1 - || pNear->apPhrase[0]->nTerm>1 + assert( pNear->nPhrase>1 + || pNear->apPhrase[0]->nTerm>1 || pNear->apPhrase[0]->aTerm[0].pSynonym || pNear->apPhrase[0]->aTerm[0].bFirst ); @@ -208548,7 +213919,7 @@ static int fts5ExprNodeNext_STRING( Fts5Expr *pExpr, /* Expression pPhrase belongs to */ Fts5ExprNode *pNode, /* FTS5_STRING or FTS5_TERM node */ int bFromValid, - i64 iFrom + i64 iFrom ){ Fts5ExprTerm *pTerm = &pNode->pNear->apPhrase[0]->aTerm[0]; int rc = SQLITE_OK; @@ -208566,8 +213937,8 @@ static int fts5ExprNodeNext_STRING( for(p=pTerm; p; p=p->pSynonym){ if( sqlite3Fts5IterEof(p->pIter)==0 ){ i64 ii = p->pIter->iRowid; - if( ii==iRowid - || (bFromValid && ii!=iFrom && (ii>iFrom)==pExpr->bDesc) + if( ii==iRowid + || (bFromValid && ii!=iFrom && (ii>iFrom)==pExpr->bDesc) ){ if( bFromValid ){ rc = sqlite3Fts5IterNextFrom(p->pIter, iFrom); @@ -208613,9 +213984,9 @@ static int fts5ExprNodeTest_TERM( Fts5Expr *pExpr, /* Expression that pNear is a part of */ Fts5ExprNode *pNode /* The "NEAR" node (FTS5_TERM) */ ){ - /* As this "NEAR" object is actually a single phrase that consists + /* As this "NEAR" object is actually a single phrase that consists ** of a single term only, grab pointers into the poslist managed by the - ** fts5_index.c iterator object. This is much faster than synthesizing + ** fts5_index.c iterator object. This is much faster than synthesizing ** a new poslist the way we have to for more complicated phrase or NEAR ** expressions. */ Fts5ExprPhrase *pPhrase = pNode->pNear->apPhrase[0]; @@ -208638,7 +214009,7 @@ static int fts5ExprNodeTest_TERM( ** xNext() method for a node of type FTS5_TERM. */ static int fts5ExprNodeNext_TERM( - Fts5Expr *pExpr, + Fts5Expr *pExpr, Fts5ExprNode *pNode, int bFromValid, i64 iFrom @@ -208681,7 +214052,7 @@ static void fts5ExprNodeTest_OR( } static int fts5ExprNodeNext_OR( - Fts5Expr *pExpr, + Fts5Expr *pExpr, Fts5ExprNode *pNode, int bFromValid, i64 iFrom @@ -208693,7 +214064,7 @@ static int fts5ExprNodeNext_OR( Fts5ExprNode *p1 = pNode->apChild[i]; assert( p1->bEof || fts5RowidCmp(pExpr, p1->iRowid, iLast)>=0 ); if( p1->bEof==0 ){ - if( (p1->iRowid==iLast) + if( (p1->iRowid==iLast) || (bFromValid && fts5RowidCmp(pExpr, p1->iRowid, iFrom)<0) ){ int rc = fts5ExprNodeNext(pExpr, p1, bFromValid, iFrom); @@ -208765,7 +214136,7 @@ static int fts5ExprNodeTest_AND( } static int fts5ExprNodeNext_AND( - Fts5Expr *pExpr, + Fts5Expr *pExpr, Fts5ExprNode *pNode, int bFromValid, i64 iFrom @@ -208808,7 +214179,7 @@ static int fts5ExprNodeTest_NOT( } static int fts5ExprNodeNext_NOT( - Fts5Expr *pExpr, + Fts5Expr *pExpr, Fts5ExprNode *pNode, int bFromValid, i64 iFrom @@ -208865,7 +214236,7 @@ static int fts5ExprNodeTest( return rc; } - + /* ** Set node pNode, which is part of expression pExpr, to point to the first ** match. If there are no matches, set the Node.bEof flag to indicate EOF. @@ -208919,8 +214290,8 @@ static int fts5ExprNodeFirst(Fts5Expr *pExpr, Fts5ExprNode *pNode){ /* ** Begin iterating through the set of documents in index pIdx matched by -** the MATCH expression passed as the first argument. If the "bDesc" -** parameter is passed a non-zero value, iteration is in descending rowid +** the MATCH expression passed as the first argument. If the "bDesc" +** parameter is passed a non-zero value, iteration is in descending rowid ** order. Or, if it is zero, in ascending order. ** ** If iterating in ascending rowid order (bDesc==0), the first document @@ -208942,9 +214313,9 @@ static int sqlite3Fts5ExprFirst(Fts5Expr *p, Fts5Index *pIdx, i64 iFirst, int bD /* If not at EOF but the current rowid occurs earlier than iFirst in ** the iteration order, move to document iFirst or later. */ - if( rc==SQLITE_OK - && 0==pRoot->bEof - && fts5RowidCmp(p, pRoot->iRowid, iFirst)<0 + if( rc==SQLITE_OK + && 0==pRoot->bEof + && fts5RowidCmp(p, pRoot->iRowid, iFirst)<0 ){ rc = fts5ExprNodeNext(p, pRoot, 1, iFirst); } @@ -208958,7 +214329,7 @@ static int sqlite3Fts5ExprFirst(Fts5Expr *p, Fts5Index *pIdx, i64 iFirst, int bD } /* -** Move to the next document +** Move to the next document ** ** Return SQLITE_OK if successful, or an SQLite error code otherwise. It ** is not considered an error if the query does not match any documents. @@ -209140,7 +214511,7 @@ static int fts5ParseTokenize( Fts5ExprPhrase *pNew; int nNew = SZALLOC + (pPhrase ? pPhrase->nTerm : 0); - pNew = (Fts5ExprPhrase*)sqlite3_realloc64(pPhrase, + pNew = (Fts5ExprPhrase*)sqlite3_realloc64(pPhrase, sizeof(Fts5ExprPhrase) + sizeof(Fts5ExprTerm) * nNew ); if( pNew==0 ){ @@ -209257,8 +214628,8 @@ static Fts5ExprPhrase *sqlite3Fts5ParseTerm( ** expression passed as the second argument. */ static int sqlite3Fts5ExprClonePhrase( - Fts5Expr *pExpr, - int iPhrase, + Fts5Expr *pExpr, + int iPhrase, Fts5Expr **ppNew ){ int rc = SQLITE_OK; /* Return code */ @@ -209269,15 +214640,15 @@ static int sqlite3Fts5ExprClonePhrase( pOrig = pExpr->apExprPhrase[iPhrase]; pNew = (Fts5Expr*)sqlite3Fts5MallocZero(&rc, sizeof(Fts5Expr)); if( rc==SQLITE_OK ){ - pNew->apExprPhrase = (Fts5ExprPhrase**)sqlite3Fts5MallocZero(&rc, + pNew->apExprPhrase = (Fts5ExprPhrase**)sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprPhrase*)); } if( rc==SQLITE_OK ){ - pNew->pRoot = (Fts5ExprNode*)sqlite3Fts5MallocZero(&rc, + pNew->pRoot = (Fts5ExprNode*)sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprNode)); } if( rc==SQLITE_OK ){ - pNew->pRoot->pNear = (Fts5ExprNearset*)sqlite3Fts5MallocZero(&rc, + pNew->pRoot->pNear = (Fts5ExprNearset*)sqlite3Fts5MallocZero(&rc, sizeof(Fts5ExprNearset) + sizeof(Fts5ExprPhrase*)); } if( rc==SQLITE_OK ){ @@ -209287,7 +214658,7 @@ static int sqlite3Fts5ExprClonePhrase( Fts5Colset *pColset; nByte = sizeof(Fts5Colset) + (pColsetOrig->nCol-1) * sizeof(int); pColset = (Fts5Colset*)sqlite3Fts5MallocZero(&rc, nByte); - if( pColset ){ + if( pColset ){ memcpy(pColset, pColsetOrig, (size_t)nByte); } pNew->pRoot->pNear->pColset = pColset; @@ -209326,9 +214697,9 @@ static int sqlite3Fts5ExprClonePhrase( pNew->pRoot->pNear->nPhrase = 1; sCtx.pPhrase->pNode = pNew->pRoot; - if( pOrig->nTerm==1 - && pOrig->aTerm[0].pSynonym==0 - && pOrig->aTerm[0].bFirst==0 + if( pOrig->nTerm==1 + && pOrig->aTerm[0].pSynonym==0 + && pOrig->aTerm[0].bFirst==0 ){ pNew->pRoot->eType = FTS5_TERM; pNew->pRoot->xNext = fts5ExprNodeNext_TERM; @@ -209361,7 +214732,7 @@ static void sqlite3Fts5ParseNear(Fts5Parse *pParse, Fts5Token *pTok){ } static void sqlite3Fts5ParseSetDistance( - Fts5Parse *pParse, + Fts5Parse *pParse, Fts5ExprNearset *pNear, Fts5Token *p ){ @@ -209390,7 +214761,7 @@ static void sqlite3Fts5ParseSetDistance( ** The second argument passed to this function may be NULL, or it may be ** an existing Fts5Colset object. This function returns a pointer to ** a new colset object containing the contents of (p) with new value column -** number iCol appended. +** number iCol appended. ** ** If an OOM error occurs, store an error code in pParse and return NULL. ** The old colset object (if any) is not freed in this case. @@ -209440,7 +214811,7 @@ static Fts5Colset *sqlite3Fts5ParseColsetInvert(Fts5Parse *pParse, Fts5Colset *p Fts5Colset *pRet; int nCol = pParse->pConfig->nCol; - pRet = (Fts5Colset*)sqlite3Fts5MallocZero(&pParse->rc, + pRet = (Fts5Colset*)sqlite3Fts5MallocZero(&pParse->rc, sizeof(Fts5Colset) + sizeof(int)*nCol ); if( pRet ){ @@ -209493,7 +214864,7 @@ static Fts5Colset *sqlite3Fts5ParseColset( /* ** If argument pOrig is NULL, or if (*pRc) is set to anything other than -** SQLITE_OK when this function is called, NULL is returned. +** SQLITE_OK when this function is called, NULL is returned. ** ** Otherwise, a copy of (*pOrig) is made into memory obtained from ** sqlite3Fts5MallocZero() and a pointer to it returned. If the allocation @@ -209504,7 +214875,7 @@ static Fts5Colset *fts5CloneColset(int *pRc, Fts5Colset *pOrig){ if( pOrig ){ sqlite3_int64 nByte = sizeof(Fts5Colset) + (pOrig->nCol-1) * sizeof(int); pRet = (Fts5Colset*)sqlite3Fts5MallocZero(pRc, nByte); - if( pRet ){ + if( pRet ){ memcpy(pRet, pOrig, (size_t)nByte); } }else{ @@ -209543,13 +214914,13 @@ static void fts5MergeColset(Fts5Colset *pColset, Fts5Colset *pMerge){ ** zero, or it may create copies of pColset using fts5CloneColset(). */ static void fts5ParseSetColset( - Fts5Parse *pParse, - Fts5ExprNode *pNode, + Fts5Parse *pParse, + Fts5ExprNode *pNode, Fts5Colset *pColset, Fts5Colset **ppFree ){ if( pParse->rc==SQLITE_OK ){ - assert( pNode->eType==FTS5_TERM || pNode->eType==FTS5_STRING + assert( pNode->eType==FTS5_TERM || pNode->eType==FTS5_STRING || pNode->eType==FTS5_AND || pNode->eType==FTS5_OR || pNode->eType==FTS5_NOT || pNode->eType==FTS5_EOF ); @@ -209581,9 +214952,9 @@ static void fts5ParseSetColset( ** Apply colset pColset to expression node pExpr and all of its descendents. */ static void sqlite3Fts5ParseSetColset( - Fts5Parse *pParse, - Fts5ExprNode *pExpr, - Fts5Colset *pColset + Fts5Parse *pParse, + Fts5ExprNode *pExpr, + Fts5Colset *pColset ){ Fts5Colset *pFree = pColset; if( pParse->pConfig->eDetail==FTS5_DETAIL_NONE ){ @@ -209601,7 +214972,7 @@ static void fts5ExprAssignXNext(Fts5ExprNode *pNode){ switch( pNode->eType ){ case FTS5_STRING: { Fts5ExprNearset *pNear = pNode->pNear; - if( pNear->nPhrase==1 && pNear->apPhrase[0]->nTerm==1 + if( pNear->nPhrase==1 && pNear->apPhrase[0]->nTerm==1 && pNear->apPhrase[0]->aTerm[0].pSynonym==0 && pNear->apPhrase[0]->aTerm[0].bFirst==0 ){ @@ -209657,7 +215028,7 @@ static Fts5ExprNode *sqlite3Fts5ParseNode( if( pParse->rc==SQLITE_OK ){ int nChild = 0; /* Number of children of returned node */ sqlite3_int64 nByte; /* Bytes of space to allocate for this node */ - + assert( (eType!=FTS5_STRING && !pNear) || (eType==FTS5_STRING && !pLeft && !pRight) ); @@ -209692,7 +215063,7 @@ static Fts5ExprNode *sqlite3Fts5ParseNode( if( pParse->pConfig->eDetail!=FTS5_DETAIL_FULL ){ Fts5ExprPhrase *pPhrase = pNear->apPhrase[0]; - if( pNear->nPhrase!=1 + if( pNear->nPhrase!=1 || pPhrase->nTerm>1 || (pPhrase->nTerm>0 && pPhrase->aTerm[0].bFirst) ){ @@ -209700,7 +215071,7 @@ static Fts5ExprNode *sqlite3Fts5ParseNode( pParse->rc = SQLITE_ERROR; assert( pParse->zErr==0 ); pParse->zErr = sqlite3_mprintf( - "fts5: %s queries are not supported (detail!=full)", + "fts5: %s queries are not supported (detail!=full)", pNear->nPhrase==1 ? "phrase": "NEAR" ); sqlite3_free(pRet); @@ -209736,14 +215107,14 @@ static Fts5ExprNode *sqlite3Fts5ParseImplicitAnd( sqlite3Fts5ParseNodeFree(pRight); }else{ - assert( pLeft->eType==FTS5_STRING + assert( pLeft->eType==FTS5_STRING || pLeft->eType==FTS5_TERM || pLeft->eType==FTS5_EOF || pLeft->eType==FTS5_AND ); - assert( pRight->eType==FTS5_STRING - || pRight->eType==FTS5_TERM - || pRight->eType==FTS5_EOF + assert( pRight->eType==FTS5_STRING + || pRight->eType==FTS5_TERM + || pRight->eType==FTS5_EOF ); if( pLeft->eType==FTS5_AND ){ @@ -209751,9 +215122,9 @@ static Fts5ExprNode *sqlite3Fts5ParseImplicitAnd( }else{ pPrev = pLeft; } - assert( pPrev->eType==FTS5_STRING - || pPrev->eType==FTS5_TERM - || pPrev->eType==FTS5_EOF + assert( pPrev->eType==FTS5_STRING + || pPrev->eType==FTS5_TERM + || pPrev->eType==FTS5_EOF ); if( pRight->eType==FTS5_EOF ){ @@ -209835,20 +215206,20 @@ static char *fts5PrintfAppend(char *zApp, const char *zFmt, ...){ } /* -** Compose a tcl-readable representation of expression pExpr. Return a -** pointer to a buffer containing that representation. It is the -** responsibility of the caller to at some point free the buffer using +** Compose a tcl-readable representation of expression pExpr. Return a +** pointer to a buffer containing that representation. It is the +** responsibility of the caller to at some point free the buffer using ** sqlite3_free(). */ static char *fts5ExprPrintTcl( - Fts5Config *pConfig, + Fts5Config *pConfig, const char *zNearsetCmd, Fts5ExprNode *pExpr ){ char *zRet = 0; if( pExpr->eType==FTS5_STRING || pExpr->eType==FTS5_TERM ){ Fts5ExprNearset *pNear = pExpr->pNear; - int i; + int i; int iTerm; zRet = fts5PrintfAppend(zRet, "%s ", zNearsetCmd); @@ -209898,9 +215269,9 @@ static char *fts5ExprPrintTcl( switch( pExpr->eType ){ case FTS5_AND: zOp = "AND"; break; case FTS5_NOT: zOp = "NOT"; break; - default: + default: assert( pExpr->eType==FTS5_OR ); - zOp = "OR"; + zOp = "OR"; break; } @@ -209926,7 +215297,7 @@ static char *fts5ExprPrint(Fts5Config *pConfig, Fts5ExprNode *pExpr){ }else if( pExpr->eType==FTS5_STRING || pExpr->eType==FTS5_TERM ){ Fts5ExprNearset *pNear = pExpr->pNear; - int i; + int i; int iTerm; if( pNear->pColset ){ @@ -209971,9 +215342,9 @@ static char *fts5ExprPrint(Fts5Config *pConfig, Fts5ExprNode *pExpr){ switch( pExpr->eType ){ case FTS5_AND: zOp = " AND "; break; case FTS5_NOT: zOp = " NOT "; break; - default: + default: assert( pExpr->eType==FTS5_OR ); - zOp = " OR "; + zOp = " OR "; break; } @@ -209985,7 +215356,7 @@ static char *fts5ExprPrint(Fts5Config *pConfig, Fts5ExprNode *pExpr){ }else{ int e = pExpr->apChild[i]->eType; int b = (e!=FTS5_STRING && e!=FTS5_TERM && e!=FTS5_EOF); - zRet = fts5PrintfAppend(zRet, "%s%s%z%s", + zRet = fts5PrintfAppend(zRet, "%s%s%z%s", (i==0 ? "" : zOp), (b?"(":""), z, (b?")":"") ); @@ -210045,10 +215416,12 @@ static void fts5ExprFunction( azConfig[1] = "main"; azConfig[2] = "tbl"; for(i=3; iArg<nArg; iArg++){ - azConfig[i++] = (const char*)sqlite3_value_text(apVal[iArg]); + const char *z = (const char*)sqlite3_value_text(apVal[iArg]); + azConfig[i++] = (z ? z : ""); } zExpr = (const char*)sqlite3_value_text(apVal[0]); + if( zExpr==0 ) zExpr = ""; rc = sqlite3Fts5ConfigParse(pGlobal, db, nConfig, azConfig, &pConfig, &zErr); if( rc==SQLITE_OK ){ @@ -210101,7 +215474,7 @@ static void fts5ExprFunctionTcl( /* ** The implementation of an SQLite user-defined-function that accepts a -** single integer as an argument. If the integer is an alpha-numeric +** single integer as an argument. If the integer is an alpha-numeric ** unicode code point, 1 is returned. Otherwise 0. */ static void fts5ExprIsAlnum( @@ -210112,7 +215485,7 @@ static void fts5ExprIsAlnum( int iCode; u8 aArr[32]; if( nArg!=1 ){ - sqlite3_result_error(pCtx, + sqlite3_result_error(pCtx, "wrong number of arguments to function fts5_isalnum", -1 ); return; @@ -210131,7 +215504,7 @@ static void fts5ExprFold( sqlite3_value **apVal /* Function arguments */ ){ if( nArg!=1 && nArg!=2 ){ - sqlite3_result_error(pCtx, + sqlite3_result_error(pCtx, "wrong number of arguments to function fts5_fold", -1 ); }else{ @@ -210225,7 +215598,7 @@ static Fts5PoslistPopulator *sqlite3Fts5ExprClearPoslists(Fts5Expr *pExpr, int b Fts5Buffer *pBuf = &pExpr->apExprPhrase[i]->poslist; Fts5ExprNode *pNode = pExpr->apExprPhrase[i]->pNode; assert( pExpr->apExprPhrase[i]->nTerm==1 ); - if( bLive && + if( bLive && (pBuf->n==0 || pNode->iRowid!=pExpr->pRoot->iRowid || pNode->bEof) ){ pRet[i].bMiss = 1; @@ -210292,9 +215665,9 @@ static int fts5ExprPopulatePoslistsCb( static int sqlite3Fts5ExprPopulatePoslists( Fts5Config *pConfig, - Fts5Expr *pExpr, + Fts5Expr *pExpr, Fts5PoslistPopulator *aPopulator, - int iCol, + int iCol, const char *z, int n ){ int i; @@ -210306,7 +215679,7 @@ static int sqlite3Fts5ExprPopulatePoslists( for(i=0; i<pExpr->nPhrase; i++){ Fts5ExprNode *pNode = pExpr->apExprPhrase[i]->pNode; Fts5Colset *pColset = pNode->pNear->pColset; - if( (pColset && 0==fts5ExprColsetTest(pColset, iCol)) + if( (pColset && 0==fts5ExprColsetTest(pColset, iCol)) || aPopulator[i].bMiss ){ aPopulator[i].bOk = 0; @@ -210315,7 +215688,7 @@ static int sqlite3Fts5ExprPopulatePoslists( } } - return sqlite3Fts5Tokenize(pConfig, + return sqlite3Fts5Tokenize(pConfig, FTS5_TOKENIZE_DOCUMENT, z, n, (void*)&sCtx, fts5ExprPopulatePoslistsCb ); } @@ -210380,12 +215753,12 @@ static void sqlite3Fts5ExprCheckPoslists(Fts5Expr *pExpr, i64 iRowid){ } /* -** This function is only called for detail=columns tables. +** This function is only called for detail=columns tables. */ static int sqlite3Fts5ExprPhraseCollist( - Fts5Expr *pExpr, - int iPhrase, - const u8 **ppCollist, + Fts5Expr *pExpr, + int iPhrase, + const u8 **ppCollist, int *pnCollist ){ Fts5ExprPhrase *pPhrase = pExpr->apExprPhrase[iPhrase]; @@ -210395,8 +215768,8 @@ static int sqlite3Fts5ExprPhraseCollist( assert( iPhrase>=0 && iPhrase<pExpr->nPhrase ); assert( pExpr->pConfig->eDetail==FTS5_DETAIL_COLUMNS ); - if( pNode->bEof==0 - && pNode->iRowid==pExpr->pRoot->iRowid + if( pNode->bEof==0 + && pNode->iRowid==pExpr->pRoot->iRowid && pPhrase->poslist.n>0 ){ Fts5ExprTerm *pTerm = &pPhrase->aTerm[0]; @@ -210454,9 +215827,9 @@ struct Fts5Hash { }; /* -** Each entry in the hash table is represented by an object of the -** following type. Each object, its key (a nul-terminated string) and -** its current data are stored in a single memory allocation. The +** Each entry in the hash table is represented by an object of the +** following type. Each object, its key (a nul-terminated string) and +** its current data are stored in a single memory allocation. The ** key immediately follows the object in memory. The position list ** data immediately follows the key data in memory. ** @@ -210478,7 +215851,7 @@ struct Fts5Hash { struct Fts5HashEntry { Fts5HashEntry *pHashNext; /* Next hash entry with same hash-key */ Fts5HashEntry *pScanNext; /* Next entry in sorted order */ - + int nAlloc; /* Total size of allocation */ int iSzPoslist; /* Offset of space for 4-byte poslist size */ int nData; /* Total bytes of data (incl. structure) */ @@ -210607,7 +215980,7 @@ static int fts5HashResize(Fts5Hash *pHash){ } static int fts5HashAddPoslistSize( - Fts5Hash *pHash, + Fts5Hash *pHash, Fts5HashEntry *p, Fts5HashEntry *p2 ){ @@ -210670,16 +216043,16 @@ static int sqlite3Fts5HashWrite( u8 *pPtr; int nIncr = 0; /* Amount to increment (*pHash->pnByte) by */ int bNew; /* If non-delete entry should be written */ - + bNew = (pHash->eDetail==FTS5_DETAIL_FULL); /* Attempt to locate an existing hash entry */ iHash = fts5HashKey2(pHash->nSlot, (u8)bByte, (const u8*)pToken, nToken); for(p=pHash->aSlot[iHash]; p; p=p->pHashNext){ char *zKey = fts5EntryKey(p); - if( zKey[0]==bByte + if( zKey[0]==bByte && p->nKey==nToken - && memcmp(&zKey[1], pToken, nToken)==0 + && memcmp(&zKey[1], pToken, nToken)==0 ){ break; } @@ -210728,8 +216101,8 @@ static int sqlite3Fts5HashWrite( nIncr += p->nData; }else{ - /* Appending to an existing hash-entry. Check that there is enough - ** space to append the largest possible new entry. Worst case scenario + /* Appending to an existing hash-entry. Check that there is enough + ** space to append the largest possible new entry. Worst case scenario ** is: ** ** + 9 bytes for a new rowid, @@ -210857,7 +216230,7 @@ static Fts5HashEntry *fts5HashEntryMerge( ** list. */ static int fts5HashEntrySort( - Fts5Hash *pHash, + Fts5Hash *pHash, const char *pTerm, int nTerm, /* Query prefix, if any */ Fts5HashEntry **ppSorted ){ @@ -210875,7 +216248,7 @@ static int fts5HashEntrySort( for(iSlot=0; iSlot<pHash->nSlot; iSlot++){ Fts5HashEntry *pIter; for(pIter=pHash->aSlot[iSlot]; pIter; pIter=pIter->pHashNext){ - if( pTerm==0 + if( pTerm==0 || (pIter->nKey+1>=nTerm && 0==memcmp(fts5EntryKey(pIter), pTerm, nTerm)) ){ Fts5HashEntry *pEntry = pIter; @@ -210990,7 +216363,7 @@ static void sqlite3Fts5HashScanEntry( ** ****************************************************************************** ** -** Low level access to the FTS index stored in the database file. The +** Low level access to the FTS index stored in the database file. The ** routines in this file file implement all read and write access to the ** %_data table. Other parts of the system access this functionality via ** the interface defined in fts5Int.h. @@ -211006,10 +216379,10 @@ static void sqlite3Fts5HashScanEntry( ** As well as the main term index, there may be up to 31 prefix indexes. ** The format is similar to FTS3/4, except that: ** -** * all segment b-tree leaf data is stored in fixed size page records -** (e.g. 1000 bytes). A single doclist may span multiple pages. Care is -** taken to ensure it is possible to iterate in either direction through -** the entries in a doclist, or to seek to a specific entry within a +** * all segment b-tree leaf data is stored in fixed size page records +** (e.g. 1000 bytes). A single doclist may span multiple pages. Care is +** taken to ensure it is possible to iterate in either direction through +** the entries in a doclist, or to seek to a specific entry within a ** doclist, without loading it into memory. ** ** * large doclists that span many pages have associated "doclist index" @@ -211042,14 +216415,14 @@ static void sqlite3Fts5HashScanEntry( ** CREATE TABLE %_data(id INTEGER PRIMARY KEY, block BLOB); ** ** , contains the following 5 types of records. See the comments surrounding -** the FTS5_*_ROWID macros below for a description of how %_data rowids are +** the FTS5_*_ROWID macros below for a description of how %_data rowids are ** assigned to each fo them. ** ** 1. Structure Records: ** ** The set of segments that make up an index - the index structure - are ** recorded in a single record within the %_data table. The record consists -** of a single 32-bit configuration cookie value followed by a list of +** of a single 32-bit configuration cookie value followed by a list of ** SQLite varints. If the FTS table features more than one index (because ** there are one or more prefix indexes), it is guaranteed that all share ** the same cookie value. @@ -211081,7 +216454,7 @@ static void sqlite3Fts5HashScanEntry( ** ** TERM/DOCLIST FORMAT: ** -** Most of each segment leaf is taken up by term/doclist data. The +** Most of each segment leaf is taken up by term/doclist data. The ** general format of term/doclist, starting with the first term ** on the leaf page, is: ** @@ -211124,7 +216497,7 @@ static void sqlite3Fts5HashScanEntry( ** ** PAGE FORMAT ** -** Each leaf page begins with a 4-byte header containing 2 16-bit +** Each leaf page begins with a 4-byte header containing 2 16-bit ** unsigned integer fields in big-endian format. They are: ** ** * The byte offset of the first rowid on the page, if it exists @@ -211159,7 +216532,7 @@ static void sqlite3Fts5HashScanEntry( ** 5. Segment doclist indexes: ** ** Doclist indexes are themselves b-trees, however they usually consist of -** a single leaf record only. The format of each doclist index leaf page +** a single leaf record only. The format of each doclist index leaf page ** is: ** ** * Flags byte. Bits are: @@ -211169,8 +216542,8 @@ static void sqlite3Fts5HashScanEntry( ** ** * First rowid on page indicated by previous field. As a varint. ** -** * A list of varints, one for each subsequent termless page. A -** positive delta if the termless page contains at least one rowid, +** * A list of varints, one for each subsequent termless page. A +** positive delta if the termless page contains at least one rowid, ** or an 0x00 byte otherwise. ** ** Internal doclist index nodes are: @@ -211183,7 +216556,7 @@ static void sqlite3Fts5HashScanEntry( ** * Copy of first rowid on page indicated by previous field. As a varint. ** ** * A list of delta-encoded varints - the first rowid on each subsequent -** child page. +** child page. ** */ @@ -211200,7 +216573,7 @@ static void sqlite3Fts5HashScanEntry( ** ** Each segment has a unique non-zero 16-bit id. ** -** The rowid for each segment leaf is found by passing the segment id and +** The rowid for each segment leaf is found by passing the segment id and ** the leaf page number to the FTS5_SEGMENT_ROWID macro. Leaves are numbered ** sequentially starting from 1. */ @@ -211219,11 +216592,6 @@ static void sqlite3Fts5HashScanEntry( #define FTS5_SEGMENT_ROWID(segid, pgno) fts5_dri(segid, 0, 0, pgno) #define FTS5_DLIDX_ROWID(segid, height, pgno) fts5_dri(segid, 1, height, pgno) -/* -** Maximum segments permitted in a single index -*/ -#define FTS5_MAX_SEGMENT 2000 - #ifdef SQLITE_DEBUG static int sqlite3Fts5Corrupt() { return SQLITE_CORRUPT_VTAB; } #endif @@ -211302,7 +216670,7 @@ struct Fts5DoclistIter { /* ** The contents of the "structure" record for each index are represented -** using an Fts5Structure record in memory. Which uses instances of the +** using an Fts5Structure record in memory. Which uses instances of the ** other Fts5StructureXXX types as components. */ struct Fts5StructureSegment { @@ -211375,10 +216743,10 @@ struct Fts5CResult { ** Current leaf page number within segment. ** ** iLeafOffset: -** Byte offset within the current leaf that is the first byte of the +** Byte offset within the current leaf that is the first byte of the ** position list data (one byte passed the position-list size field). ** rowid field of the current entry. Usually this is the size field of the -** position list data. The exception is if the rowid for the current entry +** position list data. The exception is if the rowid for the current entry ** is the last thing on the leaf page. ** ** pLeaf: @@ -211392,7 +216760,7 @@ struct Fts5CResult { ** Mask of FTS5_SEGITER_XXX values. Interpreted as follows: ** ** FTS5_SEGITER_ONETERM: -** If set, set the iterator to point to EOF after the current doclist +** If set, set the iterator to point to EOF after the current doclist ** has been exhausted. Do not proceed to the next term in the segment. ** ** FTS5_SEGITER_REVERSE: @@ -211421,7 +216789,7 @@ struct Fts5SegIter { /* Next method */ void (*xNext)(Fts5Index*, Fts5SegIter*, int*); - /* The page and offset from which the current term was read. The offset + /* The page and offset from which the current term was read. The offset ** is the offset of the first rowid in the current doclist. */ int iTermLeafPgno; int iTermLeafOffset; @@ -211444,7 +216812,7 @@ struct Fts5SegIter { }; /* -** Argument is a pointer to an Fts5Data structure that contains a +** Argument is a pointer to an Fts5Data structure that contains a ** leaf page. */ #define ASSERT_SZLEAF_OK(x) assert( \ @@ -211454,7 +216822,7 @@ struct Fts5SegIter { #define FTS5_SEGITER_ONETERM 0x01 #define FTS5_SEGITER_REVERSE 0x02 -/* +/* ** Argument is a pointer to an Fts5Data structure that contains a leaf ** page. This macro evaluates to true if the leaf contains no terms, or ** false if it contains at least one term. @@ -211476,13 +216844,13 @@ struct Fts5SegIter { ** on empty segments. ** ** The results of comparing segments aSeg[N] and aSeg[N+1], where N is an -** even number, is stored in aFirst[(nSeg+N)/2]. The "result" of the +** even number, is stored in aFirst[(nSeg+N)/2]. The "result" of the ** comparison in this context is the index of the iterator that currently ** points to the smaller term/rowid combination. Iterators at EOF are ** considered to be greater than all other iterators. ** ** aFirst[1] contains the index in aSeg[] of the iterator that points to -** the smallest key overall. aFirst[0] is unused. +** the smallest key overall. aFirst[0] is unused. ** ** poslist: ** Used by sqlite3Fts5IterPoslist() when the poslist needs to be buffered. @@ -211544,7 +216912,7 @@ static void fts5PutU16(u8 *aOut, u16 iVal){ static u16 fts5GetU16(const u8 *aIn){ return ((u16)aIn[0] << 8) + aIn[1]; -} +} /* ** Allocate and return a buffer at least nByte bytes in size. @@ -211599,7 +216967,7 @@ static int fts5LeafFirstTermOff(Fts5Data *pLeaf){ /* ** Close the read-only blob handle, if it is open. */ -static void fts5CloseReader(Fts5Index *p){ +static void sqlite3Fts5IndexCloseReader(Fts5Index *p){ if( p->pReader ){ sqlite3_blob *pReader = p->pReader; p->pReader = 0; @@ -211610,7 +216978,7 @@ static void fts5CloseReader(Fts5Index *p){ /* ** Retrieve a record from the %_data table. ** -** If an error occurs, NULL is returned and an error left in the +** If an error occurs, NULL is returned and an error left in the ** Fts5Index object. */ static Fts5Data *fts5DataRead(Fts5Index *p, i64 iRowid){ @@ -211628,16 +216996,16 @@ static Fts5Data *fts5DataRead(Fts5Index *p, i64 iRowid){ assert( p->pReader==0 ); p->pReader = pBlob; if( rc!=SQLITE_OK ){ - fts5CloseReader(p); + sqlite3Fts5IndexCloseReader(p); } if( rc==SQLITE_ABORT ) rc = SQLITE_OK; } - /* If the blob handle is not open at this point, open it and seek + /* If the blob handle is not open at this point, open it and seek ** to the requested entry. */ if( p->pReader==0 && rc==SQLITE_OK ){ Fts5Config *pConfig = p->pConfig; - rc = sqlite3_blob_open(pConfig->db, + rc = sqlite3_blob_open(pConfig->db, pConfig->zDb, p->zDataTbl, "block", iRowid, 0, &p->pReader ); } @@ -211645,7 +217013,7 @@ static Fts5Data *fts5DataRead(Fts5Index *p, i64 iRowid){ /* If either of the sqlite3_blob_open() or sqlite3_blob_reopen() calls ** above returned SQLITE_ERROR, return SQLITE_CORRUPT_VTAB instead. ** All the reasons those functions might return SQLITE_ERROR - missing - ** table, missing row, non-blob/text in block column - indicate + ** table, missing row, non-blob/text in block column - indicate ** backing store corruption. */ if( rc==SQLITE_ERROR ) rc = FTS5_CORRUPT; @@ -211730,7 +217098,7 @@ static void fts5DataWrite(Fts5Index *p, i64 iRowid, const u8 *pData, int nData){ if( p->pWriter==0 ){ Fts5Config *pConfig = p->pConfig; fts5IndexPrepareStmt(p, &p->pWriter, sqlite3_mprintf( - "REPLACE INTO '%q'.'%q_data'(id, block) VALUES(?,?)", + "REPLACE INTO '%q'.'%q_data'(id, block) VALUES(?,?)", pConfig->zDb, pConfig->zName )); if( p->rc ) return; @@ -211754,7 +217122,7 @@ static void fts5DataDelete(Fts5Index *p, i64 iFirst, i64 iLast){ if( p->pDeleter==0 ){ Fts5Config *pConfig = p->pConfig; char *zSql = sqlite3_mprintf( - "DELETE FROM '%q'.'%q_data' WHERE id>=? AND id<=?", + "DELETE FROM '%q'.'%q_data' WHERE id>=? AND id<=?", pConfig->zDb, pConfig->zName ); if( fts5IndexPrepareStmt(p, &p->pDeleter, zSql) ) return; @@ -211788,7 +217156,7 @@ static void fts5DataRemoveSegment(Fts5Index *p, int iSegid){ } /* -** Release a reference to an Fts5Structure object returned by an earlier +** Release a reference to an Fts5Structure object returned by an earlier ** call to fts5StructureRead() or fts5StructureDecode(). */ static void fts5StructureRelease(Fts5Structure *pStruct){ @@ -211868,7 +217236,7 @@ static int fts5StructureDecode( i += fts5GetVarint32(&pData[i], pLvl->nMerge); i += fts5GetVarint32(&pData[i], nTotal); if( nTotal<pLvl->nMerge ) rc = FTS5_CORRUPT; - pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(&rc, + pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(&rc, nTotal * sizeof(Fts5StructureSegment) ); nSegment -= nTotal; @@ -211934,10 +217302,10 @@ static void fts5StructureAddLevel(int *pRc, Fts5Structure **ppStruct){ ** segments. */ static void fts5StructureExtendLevel( - int *pRc, - Fts5Structure *pStruct, - int iLvl, - int nExtra, + int *pRc, + Fts5Structure *pStruct, + int iLvl, + int nExtra, int bInsert ){ if( *pRc==SQLITE_OK ){ @@ -211991,7 +217359,7 @@ static i64 fts5IndexDataVersion(Fts5Index *p){ if( p->rc==SQLITE_OK ){ if( p->pDataVersion==0 ){ - p->rc = fts5IndexPrepareStmt(p, &p->pDataVersion, + p->rc = fts5IndexPrepareStmt(p, &p->pDataVersion, sqlite3_mprintf("PRAGMA %Q.data_version", p->pConfig->zDb) ); if( p->rc ) return 0; @@ -212010,7 +217378,7 @@ static i64 fts5IndexDataVersion(Fts5Index *p){ ** Read, deserialize and return the structure record. ** ** The Fts5Structure.aLevel[] and each Fts5StructureLevel.aSeg[] array -** are over-allocated as described for function fts5StructureDecode() +** are over-allocated as described for function fts5StructureDecode() ** above. ** ** If an error occurs, NULL is returned and an error code left in the @@ -212159,8 +217527,8 @@ static int fts5SegmentSize(Fts5StructureSegment *pSeg){ } /* -** Return a copy of index structure pStruct. Except, promote as many -** segments as possible to level iPromote. If an OOM occurs, NULL is +** Return a copy of index structure pStruct. Except, promote as many +** segments as possible to level iPromote. If an OOM occurs, NULL is ** returned. */ static void fts5StructurePromoteTo( @@ -212200,8 +217568,8 @@ static void fts5StructurePromoteTo( ** ** b) If the segment just written is larger than the newest segment on ** the next populated level, then that segment, and any other adjacent -** segments that are also smaller than the one just written, are -** promoted. +** segments that are also smaller than the one just written, are +** promoted. ** ** If one or more segments are promoted, the structure object is updated ** to reflect this. @@ -212235,7 +217603,7 @@ static void fts5StructurePromote( if( sz>szMax ) szMax = sz; } if( szMax>=szSeg ){ - /* Condition (a) is true. Promote the newest segment on level + /* Condition (a) is true. Promote the newest segment on level ** iLvl to level iTst. */ iPromote = iTst; szPromote = szMax; @@ -212254,7 +217622,7 @@ static void fts5StructurePromote( /* -** Advance the iterator passed as the only argument. If the end of the +** Advance the iterator passed as the only argument. If the end of the ** doclist-index page is reached, return non-zero. */ static int fts5DlidxLvlNext(Fts5DlidxLvl *pLvl){ @@ -212269,7 +217637,7 @@ static int fts5DlidxLvlNext(Fts5DlidxLvl *pLvl){ }else{ int iOff; for(iOff=pLvl->iOff; iOff<pData->nn; iOff++){ - if( pData->p[iOff] ) break; + if( pData->p[iOff] ) break; } if( iOff<pData->nn ){ @@ -212299,7 +217667,7 @@ static int fts5DlidxIterNextR(Fts5Index *p, Fts5DlidxIter *pIter, int iLvl){ if( pLvl[1].bEof==0 ){ fts5DataRelease(pLvl->pData); memset(pLvl, 0, sizeof(Fts5DlidxLvl)); - pLvl->pData = fts5DataRead(p, + pLvl->pData = fts5DataRead(p, FTS5_DLIDX_ROWID(pIter->iSegid, iLvl, pLvl[1].iLeafPgno) ); if( pLvl->pData ) fts5DlidxLvlNext(pLvl); @@ -212319,7 +217687,7 @@ static int fts5DlidxIterNext(Fts5Index *p, Fts5DlidxIter *pIter){ ** points to the first rowid in the doclist-index. ** ** pData: -** pointer to doclist-index record, +** pointer to doclist-index record, ** ** When this function is called pIter->iLeafPgno is the page number the ** doclist is associated with (the one featuring the term). @@ -212350,7 +217718,7 @@ static void fts5DlidxIterLast(Fts5Index *p, Fts5DlidxIter *pIter){ Fts5DlidxLvl *pChild = &pLvl[-1]; fts5DataRelease(pChild->pData); memset(pChild, 0, sizeof(Fts5DlidxLvl)); - pChild->pData = fts5DataRead(p, + pChild->pData = fts5DataRead(p, FTS5_DLIDX_ROWID(pIter->iSegid, i-1, pLvl->iLeafPgno) ); } @@ -212373,8 +217741,8 @@ static int fts5DlidxLvlPrev(Fts5DlidxLvl *pLvl){ int ii; int nZero = 0; - /* Currently iOff points to the first byte of a varint. This block - ** decrements iOff until it points to the first byte of the previous + /* Currently iOff points to the first byte of a varint. This block + ** decrements iOff until it points to the first byte of the previous ** varint. Taking care not to read any memory locations that occur ** before the buffer in memory. */ iLimit = (iOff>9 ? iOff-9 : 0); @@ -212419,7 +217787,7 @@ static int fts5DlidxIterPrevR(Fts5Index *p, Fts5DlidxIter *pIter, int iLvl){ if( pLvl[1].bEof==0 ){ fts5DataRelease(pLvl->pData); memset(pLvl, 0, sizeof(Fts5DlidxLvl)); - pLvl->pData = fts5DataRead(p, + pLvl->pData = fts5DataRead(p, FTS5_DLIDX_ROWID(pIter->iSegid, iLvl, pLvl[1].iLeafPgno) ); if( pLvl->pData ){ @@ -212518,7 +217886,7 @@ static void fts5SegIterNextPage( pIter->pLeaf = pIter->pNextLeaf; pIter->pNextLeaf = 0; }else if( pIter->iLeafPgno<=pSeg->pgnoLast ){ - pIter->pLeaf = fts5LeafRead(p, + pIter->pLeaf = fts5LeafRead(p, FTS5_SEGMENT_ROWID(pSeg->iSegid, pIter->iLeafPgno) ); }else{ @@ -212562,7 +217930,7 @@ static int fts5GetPoslistSize(const u8 *p, int *pnSz, int *pbDel){ ** Fts5SegIter.nPos ** Fts5SegIter.bDel ** -** Leave Fts5SegIter.iLeafOffset pointing to the first byte of the +** Leave Fts5SegIter.iLeafOffset pointing to the first byte of the ** position list content (if any). */ static void fts5SegIterLoadNPos(Fts5Index *p, Fts5SegIter *pIter){ @@ -212613,7 +217981,7 @@ static void fts5SegIterLoadRowid(Fts5Index *p, Fts5SegIter *pIter){ } /* -** Fts5SegIter.iLeafOffset currently points to the first byte of the +** Fts5SegIter.iLeafOffset currently points to the first byte of the ** "nSuffix" field of a term. Function parameter nKeep contains the value ** of the "nPrefix" field (if there was one - it is passed 0 if this is ** the first term in the segment). @@ -212624,7 +217992,7 @@ static void fts5SegIterLoadRowid(Fts5Index *p, Fts5SegIter *pIter){ ** Fts5SegIter.rowid ** ** accordingly and leaves (Fts5SegIter.iLeafOffset) set to the content of -** the first position list. The position list belonging to document +** the first position list. The position list belonging to document ** (Fts5SegIter.iRowid). */ static void fts5SegIterLoadTerm(Fts5Index *p, Fts5SegIter *pIter, int nKeep){ @@ -212672,10 +218040,10 @@ static void fts5SegIterSetNext(Fts5Index *p, Fts5SegIter *pIter){ /* ** Initialize the iterator object pIter to iterate through the entries in -** segment pSeg. The iterator is left pointing to the first entry when +** segment pSeg. The iterator is left pointing to the first entry when ** this function returns. ** -** If an error occurs, Fts5Index.rc is set to an appropriate error code. If +** If an error occurs, Fts5Index.rc is set to an appropriate error code. If ** an error has already occurred when this function is called, it is a no-op. */ static void fts5SegIterInit( @@ -212720,8 +218088,8 @@ static void fts5SegIterInit( ** the position-list size field for the first relevant rowid on the page. ** Fts5SegIter.rowid is set, but nPos and bDel are not. ** -** This function advances the iterator so that it points to the last -** relevant rowid on the page and, if necessary, initializes the +** This function advances the iterator so that it points to the last +** relevant rowid on the page and, if necessary, initializes the ** aRowidOffset[] and iRowidOffset variables. At this point the iterator ** is in its regular state - Fts5SegIter.iLeafOffset points to the first ** byte of the position list content associated with said rowid. @@ -212941,10 +218309,10 @@ static void fts5SegIterNext_None( /* -** Advance iterator pIter to the next entry. +** Advance iterator pIter to the next entry. ** -** If an error occurs, Fts5Index.rc is set to an appropriate error code. It -** is not considered an error if the iterator reaches EOF. If an error has +** If an error occurs, Fts5Index.rc is set to an appropriate error code. It +** is not considered an error if the iterator reaches EOF. If an error has ** already occurred when this function is called, it is a no-op. */ static void fts5SegIterNext( @@ -213055,7 +218423,7 @@ static void fts5SegIterNext( }else{ /* The following could be done by calling fts5SegIterLoadNPos(). But ** this block is particularly performance critical, so equivalent - ** code is inlined. + ** code is inlined. ** ** Later: Switched back to fts5SegIterLoadNPos() because it supports ** detail=none mode. Not ideal. @@ -213135,7 +218503,7 @@ static void fts5SegIterReverse(Fts5Index *p, Fts5SegIter *pIter){ } /* If pLast is NULL at this point, then the last rowid for this doclist - ** lies on the page currently indicated by the iterator. In this case + ** lies on the page currently indicated by the iterator. In this case ** pIter->iLeafOffset is already set to point to the position-list size ** field associated with the first relevant rowid on the page. ** @@ -213165,8 +218533,8 @@ static void fts5SegIterReverse(Fts5Index *p, Fts5SegIter *pIter){ /* ** Iterator pIter currently points to the first rowid of a doclist. -** There is a doclist-index associated with the final term on the current -** page. If the current term is the last term on the page, load the +** There is a doclist-index associated with the final term on the current +** page. If the current term is the last term on the page, load the ** doclist-index from disk and initialize an iterator at (pIter->pDlidx). */ static void fts5SegIterLoadDlidx(Fts5Index *p, Fts5SegIter *pIter){ @@ -213180,8 +218548,8 @@ static void fts5SegIterLoadDlidx(Fts5Index *p, Fts5SegIter *pIter){ /* Check if the current doclist ends on this page. If it does, return ** early without loading the doclist-index (as it belongs to a different ** term. */ - if( pIter->iTermLeafPgno==pIter->iLeafPgno - && pIter->iEndofDoclist<pLeaf->szLeaf + if( pIter->iTermLeafPgno==pIter->iLeafPgno + && pIter->iEndofDoclist<pLeaf->szLeaf ){ return; } @@ -213306,11 +218674,11 @@ static void fts5LeafSeek( } search_success: - pIter->iLeafOffset = iOff + nNew; - if( pIter->iLeafOffset>n || nNew<1 ){ + if( (i64)iOff+nNew>n || nNew<1 ){ p->rc = FTS5_CORRUPT; return; } + pIter->iLeafOffset = iOff + nNew; pIter->iTermLeafOffset = pIter->iLeafOffset; pIter->iTermLeafPgno = pIter->iLeafPgno; @@ -213346,7 +218714,7 @@ static sqlite3_stmt *fts5IdxSelectStmt(Fts5Index *p){ ** Initialize the object pIter to point to term pTerm/nTerm within segment ** pSeg. If there is no such term in the index, the iterator is set to EOF. ** -** If an error occurs, Fts5Index.rc is set to an appropriate error code. If +** If an error occurs, Fts5Index.rc is set to an appropriate error code. If ** an error has already occurred when this function is called, it is a no-op. */ static void fts5SegIterSeekInit( @@ -213426,10 +218794,10 @@ static void fts5SegIterSeekInit( /* ** Initialize the object pIter to point to term pTerm/nTerm within the -** in-memory hash table. If there is no such term in the hash-table, the +** in-memory hash table. If there is no such term in the hash-table, the ** iterator is set to EOF. ** -** If an error occurs, Fts5Index.rc is set to an appropriate error code. If +** If an error occurs, Fts5Index.rc is set to an appropriate error code. If ** an error has already occurred when this function is called, it is a no-op. */ static void fts5SegIterHashInit( @@ -213459,7 +218827,7 @@ static void fts5SegIterHashInit( } } }else{ - p->rc = sqlite3Fts5HashQuery(p->pHash, sizeof(Fts5Data), + p->rc = sqlite3Fts5HashQuery(p->pHash, sizeof(Fts5Data), (const char*)pTerm, nTerm, (void**)&pLeaf, &nList ); if( pLeaf ){ @@ -213509,7 +218877,7 @@ static void fts5SegIterClear(Fts5SegIter *pIter){ ** two iterators. */ static void fts5AssertComparisonResult( - Fts5Iter *pIter, + Fts5Iter *pIter, Fts5SegIter *p1, Fts5SegIter *p2, Fts5CResult *pRes @@ -213546,7 +218914,7 @@ static void fts5AssertComparisonResult( /* ** This function is a no-op unless SQLITE_DEBUG is defined when this module -** is compiled. In that case, this function is essentially an assert() +** is compiled. In that case, this function is essentially an assert() ** statement used to verify that the contents of the pIter->aFirst[] array ** are correct. */ @@ -213560,9 +218928,9 @@ static void fts5AssertMultiIterSetup(Fts5Index *p, Fts5Iter *pIter){ /* Check that pIter->iSwitchRowid is set correctly. */ for(i=0; i<pIter->nSeg; i++){ Fts5SegIter *p1 = &pIter->aSeg[i]; - assert( p1==pFirst - || p1->pLeaf==0 - || fts5BufferCompare(&pFirst->term, &p1->term) + assert( p1==pFirst + || p1->pLeaf==0 + || fts5BufferCompare(&pFirst->term, &p1->term) || p1->iRowid==pIter->iSwitchRowid || (p1->iRowid<pIter->iSwitchRowid)==pIter->bRev ); @@ -213592,7 +218960,7 @@ static void fts5AssertMultiIterSetup(Fts5Index *p, Fts5Iter *pIter){ ** ** If the returned value is non-zero, then it is the index of an entry ** in the pIter->aSeg[] array that is (a) not at EOF, and (b) pointing -** to a key that is a duplicate of another, higher priority, +** to a key that is a duplicate of another, higher priority, ** segment-iterator in the pSeg->aSeg[] array. */ static int fts5MultiIterDoCompare(Fts5Iter *pIter, int iOut){ @@ -213683,7 +219051,7 @@ static void fts5SegIterGotoPage( } /* -** Advance the iterator passed as the second argument until it is at or +** Advance the iterator passed as the second argument until it is at or ** past rowid iFrom. Regardless of the value of iFrom, the iterator is ** always advanced at least once. */ @@ -213779,7 +219147,7 @@ static void fts5MultiIterAdvanced( ** If non-zero is returned, the caller should call fts5MultiIterAdvanced() ** on the iterator instead. That function does the same as this one, except ** that it deals with more complicated cases as well. -*/ +*/ static int fts5MultiIterAdvanceRowid( Fts5Iter *pIter, /* Iterator to update aFirst[] array for */ int iChanged, /* Index of sub-iterator just advanced */ @@ -213830,14 +219198,14 @@ static void fts5MultiIterSetEof(Fts5Iter *pIter){ } /* -** Move the iterator to the next entry. +** Move the iterator to the next entry. ** -** If an error occurs, an error code is left in Fts5Index.rc. It is not -** considered an error if the iterator reaches EOF, or if it is already at +** If an error occurs, an error code is left in Fts5Index.rc. It is not +** considered an error if the iterator reaches EOF, or if it is already at ** EOF when this function is called. */ static void fts5MultiIterNext( - Fts5Index *p, + Fts5Index *p, Fts5Iter *pIter, int bFrom, /* True if argument iFrom is valid */ i64 iFrom /* Advance at least as far as this */ @@ -213855,7 +219223,7 @@ static void fts5MultiIterNext( pSeg->xNext(p, pSeg, &bNewTerm); } - if( pSeg->pLeaf==0 || bNewTerm + if( pSeg->pLeaf==0 || bNewTerm || fts5MultiIterAdvanceRowid(pIter, iFirst, &pSeg) ){ fts5MultiIterAdvanced(p, pIter, iFirst, 1); @@ -213875,7 +219243,7 @@ static void fts5MultiIterNext( } static void fts5MultiIterNext2( - Fts5Index *p, + Fts5Index *p, Fts5Iter *pIter, int *pbNewTerm /* OUT: True if *might* be new term */ ){ @@ -213889,7 +219257,7 @@ static void fts5MultiIterNext2( assert( p->rc==SQLITE_OK ); pSeg->xNext(p, pSeg, &bNewTerm); - if( pSeg->pLeaf==0 || bNewTerm + if( pSeg->pLeaf==0 || bNewTerm || fts5MultiIterAdvanceRowid(pIter, iFirst, &pSeg) ){ fts5MultiIterAdvanced(p, pIter, iFirst, 1); @@ -213914,7 +219282,7 @@ static Fts5Iter *fts5MultiIterAlloc( int nSlot; /* Power of two >= nSeg */ for(nSlot=2; nSlot<nSeg; nSlot=nSlot*2); - pNew = fts5IdxMalloc(p, + pNew = fts5IdxMalloc(p, sizeof(Fts5Iter) + /* pNew */ sizeof(Fts5SegIter) * (nSlot-1) + /* pNew->aSeg[] */ sizeof(Fts5CResult) * nSlot /* pNew->aFirst[] */ @@ -213929,8 +219297,8 @@ static Fts5Iter *fts5MultiIterAlloc( } static void fts5PoslistCallback( - Fts5Index *pUnused, - void *pContext, + Fts5Index *pUnused, + void *pContext, const u8 *pChunk, int nChunk ){ UNUSED_PARAM(pUnused); @@ -213967,8 +219335,8 @@ static int fts5IndexColsetTest(Fts5Colset *pColset, int iCol){ } static void fts5PoslistOffsetsCallback( - Fts5Index *pUnused, - void *pContext, + Fts5Index *pUnused, + void *pContext, const u8 *pChunk, int nChunk ){ PoslistOffsetsCtx *pCtx = (PoslistOffsetsCtx*)pContext; @@ -213991,7 +219359,7 @@ static void fts5PoslistOffsetsCallback( static void fts5PoslistFilterCallback( Fts5Index *pUnused, - void *pContext, + void *pContext, const u8 *pChunk, int nChunk ){ PoslistCallbackCtx *pCtx = (PoslistCallbackCtx*)pContext; @@ -214136,7 +219504,7 @@ static int fts5IndexExtractCol( while( iCol>iCurrent ){ /* Advance pointer p until it points to pEnd or an 0x01 byte that is ** not part of a varint. Note that it is not possible for a negative - ** or extremely large varint to occur within an uncorrupted position + ** or extremely large varint to occur within an uncorrupted position ** list. So the last byte of each varint may be assumed to have a clear ** 0x80 bit. */ while( *p!=0x01 ){ @@ -214201,7 +219569,7 @@ static void fts5IterSetOutputs_Nocolset(Fts5Iter *pIter, Fts5SegIter *pSeg){ assert( pIter->pColset==0 ); if( pSeg->iLeafOffset+pSeg->nPos<=pSeg->pLeaf->szLeaf ){ - /* All data is stored on the current page. Populate the output + /* All data is stored on the current page. Populate the output ** variables to point into the body of the page object. */ pIter->base.pData = &pSeg->pLeaf->p[pSeg->iLeafOffset]; }else{ @@ -214237,13 +219605,13 @@ static void fts5IterSetOutputs_Col(Fts5Iter *pIter, Fts5SegIter *pSeg){ } /* -** xSetOutputs callback used when: +** xSetOutputs callback used when: ** ** * detail=col, ** * there is a column filter, and -** * the table contains 100 or fewer columns. +** * the table contains 100 or fewer columns. ** -** The last point is to ensure all column numbers are stored as +** The last point is to ensure all column numbers are stored as ** single-byte varints. */ static void fts5IterSetOutputs_Col100(Fts5Iter *pIter, Fts5SegIter *pSeg){ @@ -214255,7 +219623,7 @@ static void fts5IterSetOutputs_Col100(Fts5Iter *pIter, Fts5SegIter *pSeg){ fts5IterSetOutputs_Col(pIter, pSeg); }else{ u8 *a = (u8*)&pSeg->pLeaf->p[pSeg->iLeafOffset]; - u8 *pEnd = (u8*)&a[pSeg->nPos]; + u8 *pEnd = (u8*)&a[pSeg->nPos]; int iPrev = 0; int *aiCol = pIter->pColset->aiCol; int *aiColEnd = &aiCol[pIter->pColset->nCol]; @@ -214294,7 +219662,7 @@ static void fts5IterSetOutputs_Full(Fts5Iter *pIter, Fts5SegIter *pSeg){ assert( pColset ); if( pSeg->iLeafOffset+pSeg->nPos<=pSeg->pLeaf->szLeaf ){ - /* All data is stored on the current page. Populate the output + /* All data is stored on the current page. Populate the output ** variables to point into the body of the page object. */ const u8 *a = &pSeg->pLeaf->p[pSeg->iLeafOffset]; if( pColset->nCol==1 ){ @@ -214358,7 +219726,7 @@ static void fts5IterSetOutputCb(int *pRc, Fts5Iter *pIter){ ** is zero or greater, data from the first nSegment segments on level iLevel ** is merged. ** -** The iterator initially points to the first term/rowid entry in the +** The iterator initially points to the first term/rowid entry in the ** iterated data. */ static void fts5MultiIterNew( @@ -214427,8 +219795,8 @@ static void fts5MultiIterNew( assert( iIter==nSeg ); } - /* If the above was successful, each component iterators now points - ** to the first entry in its segment. In this case initialize the + /* If the above was successful, each component iterators now points + ** to the first entry in its segment. In this case initialize the ** aFirst[] array. Or, if an error has occurred, free the iterator ** object and set the output variable to NULL. */ if( p->rc==SQLITE_OK ){ @@ -214497,12 +219865,12 @@ static void fts5MultiIterNew2( } /* -** Return true if the iterator is at EOF or if an error has occurred. +** Return true if the iterator is at EOF or if an error has occurred. ** False otherwise. */ static int fts5MultiIterEof(Fts5Index *p, Fts5Iter *pIter){ - assert( p->rc - || (pIter->aSeg[ pIter->aFirst[1].iFirst ].pLeaf==0)==pIter->base.bEof + assert( p->rc + || (pIter->aSeg[ pIter->aFirst[1].iFirst ].pLeaf==0)==pIter->base.bEof ); return (p->rc || pIter->base.bEof); } @@ -214521,8 +219889,8 @@ static i64 fts5MultiIterRowid(Fts5Iter *pIter){ ** Move the iterator to the next entry at or following iMatch. */ static void fts5MultiIterNextFrom( - Fts5Index *p, - Fts5Iter *pIter, + Fts5Index *p, + Fts5Iter *pIter, i64 iMatch ){ while( 1 ){ @@ -214536,7 +219904,7 @@ static void fts5MultiIterNextFrom( } /* -** Return a pointer to a buffer containing the term associated with the +** Return a pointer to a buffer containing the term associated with the ** entry that the iterator currently points to. */ static const u8 *fts5MultiIterTerm(Fts5Iter *pIter, int *pn){ @@ -214547,11 +219915,11 @@ static const u8 *fts5MultiIterTerm(Fts5Iter *pIter, int *pn){ /* ** Allocate a new segment-id for the structure pStruct. The new segment -** id must be between 1 and 65335 inclusive, and must not be used by +** id must be between 1 and 65335 inclusive, and must not be used by ** any currently existing segment. If a free segment id cannot be found, ** SQLITE_FULL is returned. ** -** If an error has already occurred, this function is a no-op. 0 is +** If an error has already occurred, this function is a no-op. 0 is ** returned in this case. */ static int fts5AllocateSegid(Fts5Index *p, Fts5Structure *pStruct){ @@ -214620,10 +219988,10 @@ static void fts5IndexDiscardData(Fts5Index *p){ } /* -** Return the size of the prefix, in bytes, that buffer +** Return the size of the prefix, in bytes, that buffer ** (pNew/<length-unknown>) shares with buffer (pOld/nOld). ** -** Buffer (pNew/<length-unknown>) is guaranteed to be greater +** Buffer (pNew/<length-unknown>) is guaranteed to be greater ** than buffer (pOld/nOld). */ static int fts5PrefixCompress(int nOld, const u8 *pOld, const u8 *pNew){ @@ -214635,7 +220003,7 @@ static int fts5PrefixCompress(int nOld, const u8 *pOld, const u8 *pNew){ } static void fts5WriteDlidxClear( - Fts5Index *p, + Fts5Index *p, Fts5SegWriter *pWriter, int bFlush /* If true, write dlidx to disk */ ){ @@ -214646,7 +220014,7 @@ static void fts5WriteDlidxClear( if( pDlidx->buf.n==0 ) break; if( bFlush ){ assert( pDlidx->pgno!=0 ); - fts5DataWrite(p, + fts5DataWrite(p, FTS5_DLIDX_ROWID(pWriter->iSegid, i, pDlidx->pgno), pDlidx->buf.p, pDlidx->buf.n ); @@ -214700,8 +220068,8 @@ static int fts5WriteFlushDlidx(Fts5Index *p, Fts5SegWriter *pWriter){ } /* -** This function is called whenever processing of the doclist for the -** last term on leaf page (pWriter->iBtPage) is completed. +** This function is called whenever processing of the doclist for the +** last term on leaf page (pWriter->iBtPage) is completed. ** ** The doclist-index for that term is currently stored in-memory within the ** Fts5SegWriter.aDlidx[] array. If it is large enough, this function @@ -214786,8 +220154,8 @@ static i64 fts5DlidxExtractFirstRowid(Fts5Buffer *pBuf){ ** doclist-index. */ static void fts5WriteDlidxAppend( - Fts5Index *p, - Fts5SegWriter *pWriter, + Fts5Index *p, + Fts5SegWriter *pWriter, i64 iRowid ){ int i; @@ -214800,11 +220168,11 @@ static void fts5WriteDlidxAppend( if( pDlidx->buf.n>=p->pConfig->pgsz ){ /* The current doclist-index page is full. Write it to disk and push ** a copy of iRowid (which will become the first rowid on the next - ** doclist-index leaf page) up into the next level of the b-tree + ** doclist-index leaf page) up into the next level of the b-tree ** hierarchy. If the node being flushed is currently the root node, ** also push its first rowid upwards. */ pDlidx->buf.p[0] = 0x01; /* Not the root node */ - fts5DataWrite(p, + fts5DataWrite(p, FTS5_DLIDX_ROWID(pWriter->iSegid, i, pDlidx->pgno), pDlidx->buf.p, pDlidx->buf.n ); @@ -214888,13 +220256,13 @@ static void fts5WriteFlushLeaf(Fts5Index *p, Fts5SegWriter *pWriter){ ** Append term pTerm/nTerm to the segment being written by the writer passed ** as the second argument. ** -** If an error occurs, set the Fts5Index.rc error code. If an error has +** If an error occurs, set the Fts5Index.rc error code. If an error has ** already occurred, this function is a no-op. */ static void fts5WriteAppendTerm( - Fts5Index *p, + Fts5Index *p, Fts5SegWriter *pWriter, - int nTerm, const u8 *pTerm + int nTerm, const u8 *pTerm ){ int nPrefix; /* Bytes of prefix compression for term */ Fts5PageWriter *pPage = &pWriter->writer; @@ -214913,7 +220281,7 @@ static void fts5WriteAppendTerm( } fts5BufferGrow(&p->rc, &pPage->buf, nTerm+FTS5_DATA_PADDING); } - + /* TODO1: Updating pgidx here. */ pPgidx->n += sqlite3Fts5PutVarint( &pPgidx->p[pPgidx->n], pPage->buf.n - pPage->iPrevPgidx @@ -214929,11 +220297,11 @@ static void fts5WriteAppendTerm( if( pPage->pgno!=1 ){ /* This is the first term on a leaf that is not the leftmost leaf in ** the segment b-tree. In this case it is necessary to add a term to - ** the b-tree hierarchy that is (a) larger than the largest term + ** the b-tree hierarchy that is (a) larger than the largest term ** already written to the segment and (b) smaller than or equal to ** this term. In other words, a prefix of (pTerm/nTerm) that is one ** byte longer than the longest prefix (pTerm/nTerm) shares with the - ** previous term. + ** previous term. ** ** Usually, the previous term is available in pPage->term. The exception ** is if this is the first term written in an incremental-merge step. @@ -214970,10 +220338,10 @@ static void fts5WriteAppendTerm( } /* -** Append a rowid and position-list size field to the writers output. +** Append a rowid and position-list size field to the writers output. */ static void fts5WriteAppendRowid( - Fts5Index *p, + Fts5Index *p, Fts5SegWriter *pWriter, i64 iRowid ){ @@ -214984,7 +220352,7 @@ static void fts5WriteAppendRowid( fts5WriteFlushLeaf(p, pWriter); } - /* If this is to be the first rowid written to the page, set the + /* If this is to be the first rowid written to the page, set the ** rowid-pointer in the page-header. Also append a value to the dlidx ** buffer, in case a doclist-index is required. */ if( pWriter->bFirstRowidInPage ){ @@ -215006,18 +220374,18 @@ static void fts5WriteAppendRowid( } static void fts5WriteAppendPoslistData( - Fts5Index *p, - Fts5SegWriter *pWriter, - const u8 *aData, + Fts5Index *p, + Fts5SegWriter *pWriter, + const u8 *aData, int nData ){ Fts5PageWriter *pPage = &pWriter->writer; const u8 *a = aData; int n = nData; - + assert( p->pConfig->pgsz>0 ); - while( p->rc==SQLITE_OK - && (pPage->buf.n + pPage->pgidx.n + n)>=p->pConfig->pgsz + while( p->rc==SQLITE_OK + && (pPage->buf.n + pPage->pgidx.n + n)>=p->pConfig->pgsz ){ int nReq = p->pConfig->pgsz - pPage->buf.n - pPage->pgidx.n; int nCopy = 0; @@ -215040,7 +220408,7 @@ static void fts5WriteAppendPoslistData( ** allocations associated with the writer. */ static void fts5WriteFinish( - Fts5Index *p, + Fts5Index *p, Fts5SegWriter *pWriter, /* Writer object */ int *pnLeaf /* OUT: Number of leaf pages in b-tree */ ){ @@ -215068,8 +220436,8 @@ static void fts5WriteFinish( } static void fts5WriteInit( - Fts5Index *p, - Fts5SegWriter *pWriter, + Fts5Index *p, + Fts5SegWriter *pWriter, int iSegid ){ const int nBuffer = p->pConfig->pgsz + FTS5_DATA_PADDING; @@ -215092,7 +220460,7 @@ static void fts5WriteInit( if( p->pIdxWriter==0 ){ Fts5Config *pConfig = p->pConfig; fts5IndexPrepareStmt(p, &p->pIdxWriter, sqlite3_mprintf( - "INSERT INTO '%q'.'%q_idx'(segid,term,pgno) VALUES(?,?,?)", + "INSERT INTO '%q'.'%q_idx'(segid,term,pgno) VALUES(?,?,?)", pConfig->zDb, pConfig->zName )); } @@ -215158,13 +220526,13 @@ static void fts5TrimSegments(Fts5Index *p, Fts5Iter *pIter){ /* Set up the new page-index array */ fts5BufferAppendVarint(&p->rc, &buf, 4); - if( pSeg->iLeafPgno==pSeg->iTermLeafPgno + if( pSeg->iLeafPgno==pSeg->iTermLeafPgno && pSeg->iEndofDoclist<pData->szLeaf && pSeg->iPgidxOff<=pData->nn ){ int nDiff = pData->szLeaf - pSeg->iEndofDoclist; fts5BufferAppendVarint(&p->rc, &buf, buf.n - 1 - nDiff - 4); - fts5BufferAppendBlob(&p->rc, &buf, + fts5BufferAppendBlob(&p->rc, &buf, pData->nn - pSeg->iPgidxOff, &pData->p[pSeg->iPgidxOff] ); } @@ -215181,8 +220549,8 @@ static void fts5TrimSegments(Fts5Index *p, Fts5Iter *pIter){ } static void fts5MergeChunkCallback( - Fts5Index *p, - void *pCtx, + Fts5Index *p, + void *pCtx, const u8 *pChunk, int nChunk ){ Fts5SegWriter *pWriter = (Fts5SegWriter*)pCtx; @@ -215397,7 +220765,7 @@ static int fts5IndexMerge( ** segment. This function updates the write-counter accordingly and, if ** necessary, performs incremental merge work. ** -** If an error occurs, set the Fts5Index.rc error code. If an error has +** If an error occurs, set the Fts5Index.rc error code. If an error has ** already occurred, this function is a no-op. */ static void fts5IndexAutomerge( @@ -215448,12 +220816,12 @@ static int fts5IndexReturn(Fts5Index *p){ typedef struct Fts5FlushCtx Fts5FlushCtx; struct Fts5FlushCtx { Fts5Index *pIdx; - Fts5SegWriter writer; + Fts5SegWriter writer; }; /* ** Buffer aBuf[] contains a list of varints, all small enough to fit -** in a 32-bit integer. Return the size of the largest prefix of this +** in a 32-bit integer. Return the size of the largest prefix of this ** list nMax bytes or less in size. */ static int fts5PoslistPrefix(const u8 *aBuf, int nMax){ @@ -215471,10 +220839,10 @@ static int fts5PoslistPrefix(const u8 *aBuf, int nMax){ } /* -** Flush the contents of in-memory hash table iHash to a new level-0 +** Flush the contents of in-memory hash table iHash to a new level-0 ** segment on disk. Also update the corresponding structure record. ** -** If an error occurs, set the Fts5Index.rc error code. If an error has +** If an error occurs, set the Fts5Index.rc error code. If an error has ** already occurred, this function is a no-op. */ static void fts5FlushOneHash(Fts5Index *p){ @@ -215531,13 +220899,13 @@ static void fts5FlushOneHash(Fts5Index *p){ i64 iDelta = 0; int iOff = 0; - /* The entire doclist will not fit on this leaf. The following - ** loop iterates through the poslists that make up the current + /* The entire doclist will not fit on this leaf. The following + ** loop iterates through the poslists that make up the current ** doclist. */ while( p->rc==SQLITE_OK && iOff<nDoclist ){ iOff += fts5GetVarint(&pDoclist[iOff], (u64*)&iDelta); iRowid += iDelta; - + if( writer.bFirstRowidInPage ){ fts5PutU16(&pBuf->p[0], (u16)pBuf->n); /* first rowid on page */ pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iRowid); @@ -215641,7 +221009,7 @@ static void fts5IndexFlush(Fts5Index *p){ } static Fts5Structure *fts5IndexOptimizeStruct( - Fts5Index *p, + Fts5Index *p, Fts5Structure *pStruct ){ Fts5Structure *pNew = 0; @@ -215652,7 +221020,7 @@ static Fts5Structure *fts5IndexOptimizeStruct( /* Figure out if this structure requires optimization. A structure does ** not require optimization if either: ** - ** + it consists of fewer than two segments, or + ** + it consists of fewer than two segments, or ** + all segments are on the same level, or ** + all segments except one are currently inputs to a merge operation. ** @@ -215729,7 +221097,7 @@ static int sqlite3Fts5IndexOptimize(Fts5Index *p){ fts5StructureRelease(pNew); } - return fts5IndexReturn(p); + return fts5IndexReturn(p); } /* @@ -215813,7 +221181,7 @@ static void fts5DoclistIterNext(Fts5DoclistIter *pIter){ } static void fts5DoclistIterInit( - Fts5Buffer *pBuf, + Fts5Buffer *pBuf, Fts5DoclistIter *pIter ){ memset(pIter, 0, sizeof(*pIter)); @@ -215929,17 +221297,17 @@ static void fts5MergePrefixLists( Fts5Buffer out = {0, 0, 0}; Fts5Buffer tmp = {0, 0, 0}; - /* The maximum size of the output is equal to the sum of the two + /* The maximum size of the output is equal to the sum of the two ** input sizes + 1 varint (9 bytes). The extra varint is because if the ** first rowid in one input is a large negative number, and the first in ** the other a non-negative number, the delta for the non-negative ** number will be larger on disk than the literal integer value - ** was. + ** was. ** ** Or, if the input position-lists are corrupt, then the output might ** include up to 2 extra 10-byte positions created by interpreting -1 ** (the value PoslistNext64() uses for EOF) as a position and appending - ** it to the output. This can happen at most once for each input + ** it to the output. This can happen at most once for each input ** position-list, hence two 10 byte paddings. */ if( sqlite3Fts5BufferSize(&p->rc, &out, p1->n + p2->n + 9+10+10) ) return; fts5DoclistIterInit(p1, &i1); @@ -215963,7 +221331,7 @@ static void fts5MergePrefixLists( assert( out.n<=((i1.aPoslist-p1->p) + (i2.aPoslist-p2->p)+9+10+10) ); } else{ - /* Merge the two position lists. */ + /* Merge the two position lists. */ i64 iPos1 = 0; i64 iPos2 = 0; int iOff1 = 0; @@ -216088,8 +221456,8 @@ static void fts5SetupPrefixIter( pStruct = fts5StructureRead(p); if( aBuf && pStruct ){ - const int flags = FTS5INDEX_QUERY_SCAN - | FTS5INDEX_QUERY_SKIPEMPTY + const int flags = FTS5INDEX_QUERY_SCAN + | FTS5INDEX_QUERY_SKIPEMPTY | FTS5INDEX_QUERY_NOOUTPUT; int i; i64 iLastRowid = 0; @@ -216171,9 +221539,9 @@ static int sqlite3Fts5IndexBeginWrite(Fts5Index *p, int bDelete, i64 iRowid){ } /* Flush the hash table to disk if required */ - if( iRowid<p->iWriteRowid + if( iRowid<p->iWriteRowid || (iRowid==p->iWriteRowid && p->bDelete==0) - || (p->nPendingData > p->pConfig->nHashSize) + || (p->nPendingData > p->pConfig->nHashSize) ){ fts5IndexFlush(p); } @@ -216189,18 +221557,18 @@ static int sqlite3Fts5IndexBeginWrite(Fts5Index *p, int bDelete, i64 iRowid){ static int sqlite3Fts5IndexSync(Fts5Index *p){ assert( p->rc==SQLITE_OK ); fts5IndexFlush(p); - fts5CloseReader(p); + sqlite3Fts5IndexCloseReader(p); return fts5IndexReturn(p); } /* ** Discard any data stored in the in-memory hash tables. Do not write it ** to the database. Additionally, assume that the contents of the %_data -** table may have changed on disk. So any in-memory caches of %_data +** table may have changed on disk. So any in-memory caches of %_data ** records must be invalidated. */ static int sqlite3Fts5IndexRollback(Fts5Index *p){ - fts5CloseReader(p); + sqlite3Fts5IndexCloseReader(p); fts5IndexDiscardData(p); fts5StructureInvalidate(p); /* assert( p->rc==SQLITE_OK ); */ @@ -216215,6 +221583,7 @@ static int sqlite3Fts5IndexRollback(Fts5Index *p){ static int sqlite3Fts5IndexReinit(Fts5Index *p){ Fts5Structure s; fts5StructureInvalidate(p); + fts5IndexDiscardData(p); memset(&s, 0, sizeof(Fts5Structure)); fts5DataWrite(p, FTS5_AVERAGES_ROWID, (const u8*)"", 0); fts5StructureWrite(p, &s); @@ -216229,8 +221598,8 @@ static int sqlite3Fts5IndexReinit(Fts5Index *p){ ** Otherwise, set *pp to NULL and return an SQLite error code. */ static int sqlite3Fts5IndexOpen( - Fts5Config *pConfig, - int bCreate, + Fts5Config *pConfig, + int bCreate, Fts5Index **pp, char **pzErr ){ @@ -216247,8 +221616,8 @@ static int sqlite3Fts5IndexOpen( pConfig, "data", "id INTEGER PRIMARY KEY, block BLOB", 0, pzErr ); if( rc==SQLITE_OK ){ - rc = sqlite3Fts5CreateTable(pConfig, "idx", - "segid, term, pgno, PRIMARY KEY(segid, term)", + rc = sqlite3Fts5CreateTable(pConfig, "idx", + "segid, term, pgno, PRIMARY KEY(segid, term)", 1, pzErr ); } @@ -216288,13 +221657,13 @@ static int sqlite3Fts5IndexClose(Fts5Index *p){ } /* -** Argument p points to a buffer containing utf-8 text that is n bytes in +** Argument p points to a buffer containing utf-8 text that is n bytes in ** size. Return the number of bytes in the nChar character prefix of the ** buffer, or 0 if there are less than nChar characters in total. */ static int sqlite3Fts5IndexCharlenToBytelen( - const char *p, - int nByte, + const char *p, + int nByte, int nChar ){ int n = 0; @@ -216302,9 +221671,13 @@ static int sqlite3Fts5IndexCharlenToBytelen( for(i=0; i<nChar; i++){ if( n>=nByte ) return 0; /* Input contains fewer than nChar chars */ if( (unsigned char)p[n++]>=0xc0 ){ + if( n>=nByte ) return 0; while( (p[n] & 0xc0)==0x80 ){ n++; - if( n>=nByte ) break; + if( n>=nByte ){ + if( i+1==nChar ) break; + return 0; + } } } } @@ -216316,7 +221689,7 @@ static int sqlite3Fts5IndexCharlenToBytelen( ** unicode characters in the string. */ static int fts5IndexCharlen(const char *pIn, int nIn){ - int nChar = 0; + int nChar = 0; int i = 0; while( i<nIn ){ if( (unsigned char)pIn[i++]>=0xc0 ){ @@ -216328,7 +221701,7 @@ static int fts5IndexCharlen(const char *pIn, int nIn){ } /* -** Insert or remove data to or from the index. Each time a document is +** Insert or remove data to or from the index. Each time a document is ** added to or removed from the index, this function is called one or more ** times. ** @@ -216359,7 +221732,7 @@ static int sqlite3Fts5IndexWrite( const int nChar = pConfig->aPrefix[i]; int nByte = sqlite3Fts5IndexCharlenToBytelen(pToken, nToken, nChar); if( nByte ){ - rc = sqlite3Fts5HashWrite(p->pHash, + rc = sqlite3Fts5HashWrite(p->pHash, p->iWriteRowid, iCol, iPos, (char)(FTS5_MAIN_PREFIX+i+1), pToken, nByte ); @@ -216370,7 +221743,7 @@ static int sqlite3Fts5IndexWrite( } /* -** Open a new iterator to iterate though all rowid that match the +** Open a new iterator to iterate though all rowid that match the ** specified token or token prefix. */ static int sqlite3Fts5IndexQuery( @@ -216397,9 +221770,9 @@ static int sqlite3Fts5IndexQuery( ** satisfied by scanning multiple terms in the main index. ** ** If the QUERY_TEST_NOIDX flag was specified, then this must be a - ** prefix-query. Instead of using a prefix-index (if one exists), + ** prefix-query. Instead of using a prefix-index (if one exists), ** evaluate the prefix query using the main FTS index. This is used - ** for internal sanity checking by the integrity-check in debug + ** for internal sanity checking by the integrity-check in debug ** mode only. */ #ifdef SQLITE_DEBUG if( pConfig->bPrefixIndex==0 || (flags & FTS5INDEX_QUERY_TEST_NOIDX) ){ @@ -216419,7 +221792,7 @@ static int sqlite3Fts5IndexQuery( Fts5Structure *pStruct = fts5StructureRead(p); buf.p[0] = (u8)(FTS5_MAIN_PREFIX + iIdx); if( pStruct ){ - fts5MultiIterNew(p, pStruct, flags | FTS5INDEX_QUERY_SKIPEMPTY, + fts5MultiIterNew(p, pStruct, flags | FTS5INDEX_QUERY_SKIPEMPTY, pColset, buf.p, nToken+1, -1, 0, &pRet ); fts5StructureRelease(pStruct); @@ -216440,7 +221813,7 @@ static int sqlite3Fts5IndexQuery( if( p->rc ){ sqlite3Fts5IterClose((Fts5IndexIter*)pRet); pRet = 0; - fts5CloseReader(p); + sqlite3Fts5IndexCloseReader(p); } *ppIter = (Fts5IndexIter*)pRet; @@ -216453,7 +221826,7 @@ static int sqlite3Fts5IndexQuery( ** Return true if the iterator passed as the only argument is at EOF. */ /* -** Move to the next matching rowid. +** Move to the next matching rowid. */ static int sqlite3Fts5IterNext(Fts5IndexIter *pIndexIter){ Fts5Iter *pIter = (Fts5Iter*)pIndexIter; @@ -216513,12 +221886,12 @@ static void sqlite3Fts5IterClose(Fts5IndexIter *pIndexIter){ Fts5Iter *pIter = (Fts5Iter*)pIndexIter; Fts5Index *pIndex = pIter->pIndex; fts5MultiIterFree(pIter); - fts5CloseReader(pIndex); + sqlite3Fts5IndexCloseReader(pIndex); } } /* -** Read and decode the "averages" record from the database. +** Read and decode the "averages" record from the database. ** ** Parameter anSize must point to an array of size nCol, where nCol is ** the number of user defined columns in the FTS table. @@ -216544,7 +221917,7 @@ static int sqlite3Fts5IndexGetAverages(Fts5Index *p, i64 *pnRow, i64 *anSize){ } /* -** Replace the current "averages" record with the contents of the buffer +** Replace the current "averages" record with the contents of the buffer ** supplied as the second argument. */ static int sqlite3Fts5IndexSetAverages(Fts5Index *p, const u8 *pData, int nData){ @@ -216562,7 +221935,7 @@ static int sqlite3Fts5IndexReads(Fts5Index *p){ } /* -** Set the 32-bit cookie value stored at the start of all structure +** Set the 32-bit cookie value stored at the start of all structure ** records to the value passed as the second argument. ** ** Return SQLITE_OK if successful, or an SQLite error code if an error @@ -216577,7 +221950,7 @@ static int sqlite3Fts5IndexSetCookie(Fts5Index *p, int iNew){ assert( p->rc==SQLITE_OK ); sqlite3Fts5Put32(aCookie, iNew); - rc = sqlite3_blob_open(pConfig->db, pConfig->zDb, p->zDataTbl, + rc = sqlite3_blob_open(pConfig->db, pConfig->zDb, p->zDataTbl, "block", FTS5_STRUCTURE_ROWID, 1, &pBlob ); if( rc==SQLITE_OK ){ @@ -216598,7 +221971,7 @@ static int sqlite3Fts5IndexLoadConfig(Fts5Index *p){ /************************************************************************* ************************************************************************** -** Below this point is the implementation of the integrity-check +** Below this point is the implementation of the integrity-check ** functionality. */ @@ -216606,9 +221979,9 @@ static int sqlite3Fts5IndexLoadConfig(Fts5Index *p){ ** Return a simple checksum value based on the arguments. */ static u64 sqlite3Fts5IndexEntryCksum( - i64 iRowid, - int iCol, - int iPos, + i64 iRowid, + int iCol, + int iPos, int iIdx, const char *pTerm, int nTerm @@ -216624,15 +221997,15 @@ static u64 sqlite3Fts5IndexEntryCksum( #ifdef SQLITE_DEBUG /* -** This function is purely an internal test. It does not contribute to +** This function is purely an internal test. It does not contribute to ** FTS functionality, or even the integrity-check, in any way. ** -** Instead, it tests that the same set of pgno/rowid combinations are +** Instead, it tests that the same set of pgno/rowid combinations are ** visited regardless of whether the doclist-index identified by parameters ** iSegid/iLeaf is iterated in forwards or reverse order. */ static void fts5TestDlidxReverse( - Fts5Index *p, + Fts5Index *p, int iSegid, /* Segment id to load from */ int iLeaf /* Load doclist-index for this leaf */ ){ @@ -216706,13 +222079,44 @@ static int fts5QueryCksum( return rc; } +/* +** Check if buffer z[], size n bytes, contains as series of valid utf-8 +** encoded codepoints. If so, return 0. Otherwise, if the buffer does not +** contain valid utf-8, return non-zero. +*/ +static int fts5TestUtf8(const char *z, int n){ + int i = 0; + assert_nc( n>0 ); + while( i<n ){ + if( (z[i] & 0x80)==0x00 ){ + i++; + }else + if( (z[i] & 0xE0)==0xC0 ){ + if( i+1>=n || (z[i+1] & 0xC0)!=0x80 ) return 1; + i += 2; + }else + if( (z[i] & 0xF0)==0xE0 ){ + if( i+2>=n || (z[i+1] & 0xC0)!=0x80 || (z[i+2] & 0xC0)!=0x80 ) return 1; + i += 3; + }else + if( (z[i] & 0xF8)==0xF0 ){ + if( i+3>=n || (z[i+1] & 0xC0)!=0x80 || (z[i+2] & 0xC0)!=0x80 ) return 1; + if( (z[i+2] & 0xC0)!=0x80 ) return 1; + i += 3; + }else{ + return 1; + } + } + + return 0; +} /* -** This function is also purely an internal test. It does not contribute to +** This function is also purely an internal test. It does not contribute to ** FTS functionality, or even the integrity-check, in any way. */ static void fts5TestTerm( - Fts5Index *p, + Fts5Index *p, Fts5Buffer *pPrev, /* Previous term */ const char *z, int n, /* Possibly new term to test */ u64 expected, @@ -216741,13 +222145,19 @@ static void fts5TestTerm( if( rc==SQLITE_OK && ck1!=ck2 ) rc = FTS5_CORRUPT; /* If this is a prefix query, check that the results returned if the - ** the index is disabled are the same. In both ASC and DESC order. + ** the index is disabled are the same. In both ASC and DESC order. ** ** This check may only be performed if the hash table is empty. This ** is because the hash table only supports a single scan query at ** a time, and the multi-iter loop from which this function is called - ** is already performing such a scan. */ - if( p->nPendingData==0 ){ + ** is already performing such a scan. + ** + ** Also only do this if buffer zTerm contains nTerm bytes of valid + ** utf-8. Otherwise, the last part of the buffer contents might contain + ** a non-utf-8 sequence that happens to be a prefix of a valid utf-8 + ** character stored in the main fts index, which will cause the + ** test to fail. */ + if( p->nPendingData==0 && 0==fts5TestUtf8(zTerm, nTerm) ){ if( iIdx>0 && rc==SQLITE_OK ){ int f = flags|FTS5INDEX_QUERY_TEST_NOIDX; ck2 = 0; @@ -216772,7 +222182,7 @@ static void fts5TestTerm( } p->rc = rc; } - + #else # define fts5TestDlidxReverse(x,y,z) # define fts5TestTerm(u,v,w,x,y,z) @@ -216870,7 +222280,8 @@ static void fts5IndexIntegrityCheckSegment( if( pSeg->pgnoFirst==0 ) return; fts5IndexPrepareStmt(p, &pStmt, sqlite3_mprintf( - "SELECT segid, term, (pgno>>1), (pgno&1) FROM %Q.'%q_idx' WHERE segid=%d", + "SELECT segid, term, (pgno>>1), (pgno&1) FROM %Q.'%q_idx' WHERE segid=%d " + "ORDER BY 1, 2", pConfig->zDb, pConfig->zName, pSeg->iSegid )); @@ -216879,12 +222290,12 @@ static void fts5IndexIntegrityCheckSegment( i64 iRow; /* Rowid for this leaf */ Fts5Data *pLeaf; /* Data for this leaf */ + const char *zIdxTerm = (const char*)sqlite3_column_blob(pStmt, 1); int nIdxTerm = sqlite3_column_bytes(pStmt, 1); - const char *zIdxTerm = (const char*)sqlite3_column_text(pStmt, 1); int iIdxLeaf = sqlite3_column_int(pStmt, 2); int bIdxDlidx = sqlite3_column_int(pStmt, 3); - /* If the leaf in question has already been trimmed from the segment, + /* If the leaf in question has already been trimmed from the segment, ** ignore this b-tree entry. Otherwise, load it into memory. */ if( iIdxLeaf<pSeg->pgnoFirst ) continue; iRow = FTS5_SEGMENT_ROWID(pSeg->iSegid, iIdxLeaf); @@ -216992,7 +222403,7 @@ static void fts5IndexIntegrityCheckSegment( /* -** Run internal checks to ensure that the FTS index (a) is internally +** Run internal checks to ensure that the FTS index (a) is internally ** consistent and (b) contains entries for which the XOR of the checksums ** as calculated by sqlite3Fts5IndexEntryCksum() is cksum. ** @@ -217014,7 +222425,7 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ Fts5Buffer term = {0,0,0}; /* Buffer used to hold most recent term */ #endif const int flags = FTS5INDEX_QUERY_NOOUTPUT; - + /* Load the FTS index structure */ pStruct = fts5StructureRead(p); @@ -217036,7 +222447,7 @@ static int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ ** ** Two versions of the same checksum are calculated. The first (stack ** variable cksum2) based on entries extracted from the full-text index - ** while doing a linear scan of each individual index in turn. + ** while doing a linear scan of each individual index in turn. ** ** As each term visited by the linear scans, a separate query for the ** same term is performed. cksum3 is calculated based on the entries @@ -217138,12 +222549,12 @@ static void fts5DebugStructure( for(iLvl=0; iLvl<p->nLevel; iLvl++){ Fts5StructureLevel *pLvl = &p->aLevel[iLvl]; - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {lvl=%d nMerge=%d nSeg=%d", iLvl, pLvl->nMerge, pLvl->nSeg ); for(iSeg=0; iSeg<pLvl->nSeg; iSeg++){ Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg]; - sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d}", + sqlite3Fts5BufferAppendPrintf(pRc, pBuf, " {id=%d leaves=%d..%d}", pSeg->iSegid, pSeg->pgnoFirst, pSeg->pgnoLast ); } @@ -217156,7 +222567,7 @@ static void fts5DebugStructure( ** ** Arguments pBlob/nBlob contain a serialized Fts5Structure object. This ** function appends a human-readable representation of the same object -** to the buffer passed as the second argument. +** to the buffer passed as the second argument. */ static void fts5DecodeStructure( int *pRc, /* IN/OUT: error code */ @@ -217179,9 +222590,9 @@ static void fts5DecodeStructure( /* ** This is part of the fts5_decode() debugging aid. ** -** Arguments pBlob/nBlob contain an "averages" record. This function -** appends a human-readable representation of record to the buffer passed -** as the second argument. +** Arguments pBlob/nBlob contain an "averages" record. This function +** appends a human-readable representation of record to the buffer passed +** as the second argument. */ static void fts5DecodeAverages( int *pRc, /* IN/OUT: error code */ @@ -217220,7 +222631,7 @@ static int fts5DecodePoslist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ ** The start of buffer (a/n) contains the start of a doclist. The doclist ** may or may not finish within the buffer. This function appends a text ** representation of the part of the doclist that is present to buffer -** pBuf. +** pBuf. ** ** The return value is the number of bytes read from the input buffer. */ @@ -217250,7 +222661,7 @@ static int fts5DecodeDoclist(int *pRc, Fts5Buffer *pBuf, const u8 *a, int n){ } /* -** This function is part of the fts5_decode() debugging function. It is +** This function is part of the fts5_decode() debugging function. It is ** only ever used with detail=none tables. ** ** Buffer (pData/nData) contains a doclist in the format used by detail=none @@ -217337,7 +222748,7 @@ static void fts5DecodeFunction( lvl.iLeafPgno = iPgno; for(fts5DlidxLvlNext(&lvl); lvl.bEof==0; fts5DlidxLvlNext(&lvl)){ - sqlite3Fts5BufferAppendPrintf(&rc, &s, + sqlite3Fts5BufferAppendPrintf(&rc, &s, " %d(%lld)", lvl.iLeafPgno, lvl.iRowid ); } @@ -217448,7 +222859,7 @@ static void fts5DecodeFunction( int bFirst = (iPgidxOff==szLeaf); /* True for first term on page */ int nByte; /* Bytes of data */ int iEnd; - + iPgidxOff += fts5GetVarint32(&a[iPgidxOff], nByte); iPgidxPrev += nByte; iOff = iPgidxPrev; @@ -217488,7 +222899,7 @@ static void fts5DecodeFunction( fts5BufferFree(&term); } - + decode_out: sqlite3_free(a); if( rc==SQLITE_OK ){ @@ -217516,7 +222927,7 @@ static void fts5RowidFunction( i64 iRowid; int segid, pgno; if( nArg!=3 ){ - sqlite3_result_error(pCtx, + sqlite3_result_error(pCtx, "should be: fts5_rowid('segment', segid, pgno))", -1 ); }else{ @@ -217526,7 +222937,7 @@ static void fts5RowidFunction( sqlite3_result_int64(pCtx, iRowid); } }else{ - sqlite3_result_error(pCtx, + sqlite3_result_error(pCtx, "first arg to fts5_rowid() must be 'segment'" , -1 ); } @@ -217548,7 +222959,7 @@ static int sqlite3Fts5IndexInit(sqlite3 *db){ if( rc==SQLITE_OK ){ rc = sqlite3_create_function( - db, "fts5_decode_none", 2, + db, "fts5_decode_none", 2, SQLITE_UTF8, (void*)db, fts5DecodeFunction, 0, 0 ); } @@ -217605,9 +223016,9 @@ typedef struct Fts5Sorter Fts5Sorter; typedef struct Fts5TokenizerModule Fts5TokenizerModule; /* -** NOTES ON TRANSACTIONS: +** NOTES ON TRANSACTIONS: ** -** SQLite invokes the following virtual table methods as transactions are +** SQLite invokes the following virtual table methods as transactions are ** opened and closed by the user: ** ** xBegin(): Start of a new transaction. @@ -217616,7 +223027,7 @@ typedef struct Fts5TokenizerModule Fts5TokenizerModule; ** xRollback(): Rollback the transaction. ** ** Anything that is required as part of a commit that may fail is performed -** in the xSync() callback. Current versions of SQLite ignore any errors +** in the xSync() callback. Current versions of SQLite ignore any errors ** returned by xCommit(). ** ** And as sub-transactions are opened/closed: @@ -217625,9 +223036,9 @@ typedef struct Fts5TokenizerModule Fts5TokenizerModule; ** xRelease(int S): Commit and close savepoint S. ** xRollbackTo(int S): Rollback to start of savepoint S. ** -** During a write-transaction the fts5_index.c module may cache some data +** During a write-transaction the fts5_index.c module may cache some data ** in-memory. It is flushed to disk whenever xSync(), xRelease() or -** xSavepoint() is called. And discarded whenever xRollback() or xRollbackTo() +** xSavepoint() is called. And discarded whenever xRollback() or xRollbackTo() ** is called. ** ** Additionally, if SQLITE_DEBUG is defined, an instance of the following @@ -217641,13 +223052,13 @@ struct Fts5TransactionState { }; /* -** A single object of this type is allocated when the FTS5 module is +** A single object of this type is allocated when the FTS5 module is ** registered with a database handle. It is used to store pointers to ** all registered FTS5 extensions - tokenizers and auxiliary functions. */ struct Fts5Global { fts5_api api; /* User visible part of object (see fts5.h) */ - sqlite3 *db; /* Associated database connection */ + sqlite3 *db; /* Associated database connection */ i64 iNextId; /* Used to allocate unique cursor ids */ Fts5Auxiliary *pAux; /* First in list of all aux. functions */ Fts5TokenizerModule *pTok; /* First in list of all tokenizer modules */ @@ -217703,7 +223114,7 @@ struct Fts5MatchPhrase { ** ** aIdx[]: ** There is one entry in the aIdx[] array for each phrase in the query, -** the value of which is the offset within aPoslist[] following the last +** the value of which is the offset within aPoslist[] following the last ** byte of the position list for the corresponding phrase. */ struct Fts5Sorter { @@ -217719,8 +223130,8 @@ struct Fts5Sorter { ** Virtual-table cursor object. ** ** iSpecial: -** If this is a 'special' query (refer to function fts5SpecialMatch()), -** then this variable contains the result of the query. +** If this is a 'special' query (refer to function fts5SpecialMatch()), +** then this variable contains the result of the query. ** ** iFirstRowid, iLastRowid: ** These variables are only used for FTS5_PLAN_MATCH cursors. Assuming the @@ -217771,7 +223182,7 @@ struct Fts5Cursor { }; /* -** Bits that make up the "idxNum" parameter passed indirectly by +** Bits that make up the "idxNum" parameter passed indirectly by ** xBestIndex() to xFilter(). */ #define FTS5_BI_MATCH 0x0001 /* <tbl> MATCH ? */ @@ -217850,7 +223261,7 @@ static void fts5CheckTransactionState(Fts5FullTable *p, int op, int iSavepoint){ assert( iSavepoint>=p->ts.iSavepoint ); p->ts.iSavepoint = iSavepoint; break; - + case FTS5_RELEASE: assert( p->ts.eState==1 ); assert( iSavepoint>=0 ); @@ -217861,7 +223272,10 @@ static void fts5CheckTransactionState(Fts5FullTable *p, int op, int iSavepoint){ case FTS5_ROLLBACKTO: assert( p->ts.eState==1 ); assert( iSavepoint>=-1 ); - assert( iSavepoint<=p->ts.iSavepoint ); + /* The following assert() can fail if another vtab strikes an error + ** within an xSavepoint() call then SQLite calls xRollbackTo() - without + ** having called xSavepoint() on this vtab. */ + /* assert( iSavepoint<=p->ts.iSavepoint ); */ p->ts.iSavepoint = iSavepoint; break; } @@ -217878,7 +223292,7 @@ static int fts5IsContentless(Fts5FullTable *pTab){ } /* -** Delete a virtual table handle allocated by fts5InitVtab(). +** Delete a virtual table handle allocated by fts5InitVtab(). */ static void fts5FreeVtab(Fts5FullTable *pTab){ if( pTab ){ @@ -218034,7 +223448,7 @@ static void fts5SetUniqueFlag(sqlite3_index_info *pIdxInfo){ } /* -** Implementation of the xBestIndex method for FTS5 tables. Within the +** Implementation of the xBestIndex method for FTS5 tables. Within the ** WHERE constraint, it searches for the following: ** ** 1. A MATCH constraint against the table column. @@ -218049,7 +223463,7 @@ static void fts5SetUniqueFlag(sqlite3_index_info *pIdxInfo){ ** 5. ORDER BY rank [ASC|DESC] ** 6. ORDER BY rowid [ASC|DESC] ** -** Information for the xFilter call is passed via both the idxNum and +** Information for the xFilter call is passed via both the idxNum and ** idxStr variables. Specifically, idxNum is a bitmask of the following ** flags used to encode the ORDER BY clause: ** @@ -218136,7 +223550,7 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ ){ /* A MATCH operator or equivalent */ if( p->usable==0 || iCol<0 ){ - /* As there exists an unusable MATCH constraint this is an + /* As there exists an unusable MATCH constraint this is an ** unusable plan. Set a prohibitively high cost. */ pInfo->estimatedCost = 1e50; assert( iIdxStr < pInfo->nConstraint*6 + 1 ); @@ -218160,8 +223574,8 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ pInfo->aConstraintUsage[i].omit = 1; } } - else if( p->usable && bSeenEq==0 - && p->op==SQLITE_INDEX_CONSTRAINT_EQ && iCol<0 + else if( p->usable && bSeenEq==0 + && p->op==SQLITE_INDEX_CONSTRAINT_EQ && iCol<0 ){ idxStr[iIdxStr++] = '='; bSeenEq = 1; @@ -218269,15 +223683,15 @@ static int fts5StmtType(Fts5Cursor *pCsr){ /* ** This function is called after the cursor passed as the only argument -** is moved to point at a different row. It clears all cached data +** is moved to point at a different row. It clears all cached data ** specific to the previous row stored by the cursor object. */ static void fts5CsrNewrow(Fts5Cursor *pCsr){ - CsrFlagSet(pCsr, - FTS5CSR_REQUIRE_CONTENT - | FTS5CSR_REQUIRE_DOCSIZE - | FTS5CSR_REQUIRE_INST - | FTS5CSR_REQUIRE_POSLIST + CsrFlagSet(pCsr, + FTS5CSR_REQUIRE_CONTENT + | FTS5CSR_REQUIRE_DOCSIZE + | FTS5CSR_REQUIRE_INST + | FTS5CSR_REQUIRE_POSLIST ); } @@ -218316,6 +223730,7 @@ static void fts5FreeCursorComponents(Fts5Cursor *pCsr){ sqlite3_free(pCsr->zRankArgs); } + sqlite3Fts5IndexCloseReader(pTab->p.pIndex); memset(&pCsr->ePlan, 0, sizeof(Fts5Cursor) - ((u8*)&pCsr->ePlan - (u8*)pCsr)); } @@ -218380,14 +223795,14 @@ static int fts5SorterNext(Fts5Cursor *pCsr){ /* -** Set the FTS5CSR_REQUIRE_RESEEK flag on all FTS5_PLAN_MATCH cursors +** Set the FTS5CSR_REQUIRE_RESEEK flag on all FTS5_PLAN_MATCH cursors ** open on table pTab. */ static void fts5TripCursors(Fts5FullTable *pTab){ Fts5Cursor *pCsr; for(pCsr=pTab->pGlobal->pCsr; pCsr; pCsr=pCsr->pNext){ if( pCsr->ePlan==FTS5_PLAN_MATCH - && pCsr->base.pVtab==(sqlite3_vtab*)pTab + && pCsr->base.pVtab==(sqlite3_vtab*)pTab ){ CsrFlagSet(pCsr, FTS5CSR_REQUIRE_RESEEK); } @@ -218396,14 +223811,14 @@ static void fts5TripCursors(Fts5FullTable *pTab){ /* ** If the REQUIRE_RESEEK flag is set on the cursor passed as the first -** argument, close and reopen all Fts5IndexIter iterators that the cursor +** argument, close and reopen all Fts5IndexIter iterators that the cursor ** is using. Then attempt to move the cursor to a rowid equal to or laster -** (in the cursors sort order - ASC or DESC) than the current rowid. +** (in the cursors sort order - ASC or DESC) than the current rowid. ** ** If the new rowid is not equal to the old, set output parameter *pbSkip ** to 1 before returning. Otherwise, leave it unchanged. ** -** Return SQLITE_OK if successful or if no reseek was required, or an +** Return SQLITE_OK if successful or if no reseek was required, or an ** error code if an error occurred. */ static int fts5CursorReseek(Fts5Cursor *pCsr, int *pbSkip){ @@ -218431,7 +223846,7 @@ static int fts5CursorReseek(Fts5Cursor *pCsr, int *pbSkip){ /* -** Advance the cursor to the next row in the table that matches the +** Advance the cursor to the next row in the table that matches the ** search criteria. ** ** Return SQLITE_OK if nothing goes wrong. SQLITE_OK is returned @@ -218443,7 +223858,7 @@ static int fts5NextMethod(sqlite3_vtab_cursor *pCursor){ int rc; assert( (pCsr->ePlan<3)== - (pCsr->ePlan==FTS5_PLAN_MATCH || pCsr->ePlan==FTS5_PLAN_SOURCE) + (pCsr->ePlan==FTS5_PLAN_MATCH || pCsr->ePlan==FTS5_PLAN_SOURCE) ); assert( !CsrFlagTest(pCsr, FTS5CSR_EOF) ); @@ -218460,31 +223875,40 @@ static int fts5NextMethod(sqlite3_vtab_cursor *pCursor){ rc = SQLITE_OK; break; } - + case FTS5_PLAN_SORTED_MATCH: { rc = fts5SorterNext(pCsr); break; } - - default: + + default: { + Fts5Config *pConfig = ((Fts5Table*)pCursor->pVtab)->pConfig; + pConfig->bLock++; rc = sqlite3_step(pCsr->pStmt); + pConfig->bLock--; if( rc!=SQLITE_ROW ){ CsrFlagSet(pCsr, FTS5CSR_EOF); rc = sqlite3_reset(pCsr->pStmt); + if( rc!=SQLITE_OK ){ + pCursor->pVtab->zErrMsg = sqlite3_mprintf( + "%s", sqlite3_errmsg(pConfig->db) + ); + } }else{ rc = SQLITE_OK; } break; + } } } - + return rc; } static int fts5PrepareStatement( sqlite3_stmt **ppStmt, - Fts5Config *pConfig, + Fts5Config *pConfig, const char *zFmt, ... ){ @@ -218496,9 +223920,9 @@ static int fts5PrepareStatement( va_start(ap, zFmt); zSql = sqlite3_vmprintf(zFmt, ap); if( zSql==0 ){ - rc = SQLITE_NOMEM; + rc = SQLITE_NOMEM; }else{ - rc = sqlite3_prepare_v3(pConfig->db, zSql, -1, + rc = sqlite3_prepare_v3(pConfig->db, zSql, -1, SQLITE_PREPARE_PERSISTENT, &pRet, 0); if( rc!=SQLITE_OK ){ *pConfig->pzErrmsg = sqlite3_mprintf("%s", sqlite3_errmsg(pConfig->db)); @@ -218509,11 +223933,11 @@ static int fts5PrepareStatement( va_end(ap); *ppStmt = pRet; return rc; -} +} static int fts5CursorFirstSorted( - Fts5FullTable *pTab, - Fts5Cursor *pCsr, + Fts5FullTable *pTab, + Fts5Cursor *pCsr, int bDesc ){ Fts5Config *pConfig = pTab->p.pConfig; @@ -218523,7 +223947,7 @@ static int fts5CursorFirstSorted( int rc; const char *zRank = pCsr->zRank; const char *zRankArgs = pCsr->zRankArgs; - + nPhrase = sqlite3Fts5ExprPhraseCount(pCsr->pExpr); nByte = sizeof(Fts5Sorter) + sizeof(int) * (nPhrase-1); pSorter = (Fts5Sorter*)sqlite3_malloc64(nByte); @@ -218534,7 +223958,7 @@ static int fts5CursorFirstSorted( /* TODO: It would be better to have some system for reusing statement ** handles here, rather than preparing a new one for each query. But that ** is not possible as SQLite reference counts the virtual table objects. - ** And since the statement required here reads from this very virtual + ** And since the statement required here reads from this very virtual ** table, saving it creates a circular reference. ** ** If SQLite a built-in statement cache, this wouldn't be a problem. */ @@ -218581,8 +224005,8 @@ static int fts5CursorFirst(Fts5FullTable *pTab, Fts5Cursor *pCsr, int bDesc){ ** parameters. */ static int fts5SpecialMatch( - Fts5FullTable *pTab, - Fts5Cursor *pCsr, + Fts5FullTable *pTab, + Fts5Cursor *pCsr, const char *zQuery ){ int rc = SQLITE_OK; /* Return code */ @@ -218680,7 +224104,7 @@ static int fts5FindRankFunction(Fts5Cursor *pCsr){ static int fts5CursorParseRank( Fts5Config *pConfig, - Fts5Cursor *pCsr, + Fts5Cursor *pCsr, sqlite3_value *pRank ){ int rc = SQLITE_OK; @@ -218729,7 +224153,7 @@ static i64 fts5GetRowidLimit(sqlite3_value *pVal, i64 iDefault){ ** This is the xFilter interface for the virtual table. See ** the virtual table xFilter method documentation for additional ** information. -** +** ** There are three possible query strategies: ** ** 1. Full-text search using a MATCH operator. @@ -218759,6 +224183,13 @@ static int fts5FilterMethod( int iIdxStr = 0; Fts5Expr *pExpr = 0; + if( pConfig->bLock ){ + pTab->p.base.zErrMsg = sqlite3_mprintf( + "recursively defined fts5 content table" + ); + return SQLITE_ERROR; + } + if( pCsr->ePlan ){ fts5FreeCursorComponents(pCsr); memset(&pCsr->ePlan, 0, sizeof(Fts5Cursor) - ((u8*)&pCsr->ePlan-(u8*)pCsr)); @@ -218827,7 +224258,7 @@ static int fts5FilterMethod( bOrderByRank = ((idxNum & FTS5_BI_ORDER_RANK) ? 1 : 0); pCsr->bDesc = bDesc = ((idxNum & FTS5_BI_ORDER_DESC) ? 1 : 0); - /* Set the cursor upper and lower rowid limits. Only some strategies + /* Set the cursor upper and lower rowid limits. Only some strategies ** actually use them. This is ok, as the xBestIndex() method leaves the ** sqlite3_index_constraint.omit flag clear for range constraints ** on the rowid field. */ @@ -218843,11 +224274,11 @@ static int fts5FilterMethod( } if( pTab->pSortCsr ){ - /* If pSortCsr is non-NULL, then this call is being made as part of + /* If pSortCsr is non-NULL, then this call is being made as part of ** processing for a "... MATCH <expr> ORDER BY rank" query (ePlan is ** set to FTS5_PLAN_SORTED_MATCH). pSortCsr is the cursor that will - ** return results to the user for this query. The current cursor - ** (pCursor) is used to execute the query issued by function + ** return results to the user for this query. The current cursor + ** (pCursor) is used to execute the query issued by function ** fts5CursorFirstSorted() above. */ assert( pRowidEq==0 && pRowidLe==0 && pRowidGe==0 && pRank==0 ); assert( nVal==0 && bOrderByRank==0 && bDesc==0 ); @@ -218903,8 +224334,8 @@ static int fts5FilterMethod( return rc; } -/* -** This is the xEof method of the virtual table. SQLite calls this +/* +** This is the xEof method of the virtual table. SQLite calls this ** routine to find out if it has reached the end of a result set. */ static int fts5EofMethod(sqlite3_vtab_cursor *pCursor){ @@ -218916,9 +224347,9 @@ static int fts5EofMethod(sqlite3_vtab_cursor *pCursor){ ** Return the rowid that the cursor currently points to. */ static i64 fts5CursorRowid(Fts5Cursor *pCsr){ - assert( pCsr->ePlan==FTS5_PLAN_MATCH - || pCsr->ePlan==FTS5_PLAN_SORTED_MATCH - || pCsr->ePlan==FTS5_PLAN_SOURCE + assert( pCsr->ePlan==FTS5_PLAN_MATCH + || pCsr->ePlan==FTS5_PLAN_SORTED_MATCH + || pCsr->ePlan==FTS5_PLAN_SOURCE ); if( pCsr->pSorter ){ return pCsr->pSorter->iRowid; @@ -218927,7 +224358,7 @@ static i64 fts5CursorRowid(Fts5Cursor *pCsr){ } } -/* +/* ** This is the xRowid method. The SQLite core calls this routine to ** retrieve the rowid for the current row of the result set. fts5 ** exposes %_content.rowid as the rowid for the virtual table. The @@ -218936,7 +224367,7 @@ static i64 fts5CursorRowid(Fts5Cursor *pCsr){ static int fts5RowidMethod(sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid){ Fts5Cursor *pCsr = (Fts5Cursor*)pCursor; int ePlan = pCsr->ePlan; - + assert( CsrFlagTest(pCsr, FTS5CSR_EOF)==0 ); switch( ePlan ){ case FTS5_PLAN_SPECIAL: @@ -218967,7 +224398,7 @@ static int fts5RowidMethod(sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid){ static int fts5SeekCursor(Fts5Cursor *pCsr, int bErrormsg){ int rc = SQLITE_OK; - /* If the cursor does not yet have a statement handle, obtain one now. */ + /* If the cursor does not yet have a statement handle, obtain one now. */ if( pCsr->pStmt==0 ){ Fts5FullTable *pTab = (Fts5FullTable*)(pCsr->base.pVtab); int eStmt = fts5StmtType(pCsr); @@ -218979,10 +224410,13 @@ static int fts5SeekCursor(Fts5Cursor *pCsr, int bErrormsg){ } if( rc==SQLITE_OK && CsrFlagTest(pCsr, FTS5CSR_REQUIRE_CONTENT) ){ + Fts5Table *pTab = (Fts5Table*)(pCsr->base.pVtab); assert( pCsr->pExpr ); sqlite3_reset(pCsr->pStmt); sqlite3_bind_int64(pCsr->pStmt, 1, fts5CursorRowid(pCsr)); + pTab->pConfig->bLock++; rc = sqlite3_step(pCsr->pStmt); + pTab->pConfig->bLock--; if( rc==SQLITE_ROW ){ rc = SQLITE_OK; CsrFlagClear(pCsr, FTS5CSR_REQUIRE_CONTENT); @@ -218990,6 +224424,10 @@ static int fts5SeekCursor(Fts5Cursor *pCsr, int bErrormsg){ rc = sqlite3_reset(pCsr->pStmt); if( rc==SQLITE_OK ){ rc = FTS5_CORRUPT; + }else if( pTab->pConfig->pzErrmsg ){ + *pTab->pConfig->pzErrmsg = sqlite3_mprintf( + "%s", sqlite3_errmsg(pTab->pConfig->db) + ); } } } @@ -219011,7 +224449,7 @@ static void fts5SetVtabError(Fts5FullTable *p, const char *zFormat, ...){ ** INSERT INTO fts(fts) VALUES($pCmd) ** INSERT INTO fts(fts, rank) VALUES($pCmd, $pVal) ** -** Argument pVal is the value assigned to column "fts" by the INSERT +** Argument pVal is the value assigned to column "fts" by the INSERT ** statement. This function returns SQLITE_OK if successful, or an SQLite ** error code if an error occurs. ** @@ -219030,7 +224468,7 @@ static int fts5SpecialInsert( if( 0==sqlite3_stricmp("delete-all", zCmd) ){ if( pConfig->eContent==FTS5_CONTENT_NORMAL ){ - fts5SetVtabError(pTab, + fts5SetVtabError(pTab, "'delete-all' may only be used with a " "contentless or external content fts5 table" ); @@ -219040,7 +224478,7 @@ static int fts5SpecialInsert( } }else if( 0==sqlite3_stricmp("rebuild", zCmd) ){ if( pConfig->eContent==FTS5_CONTENT_NONE ){ - fts5SetVtabError(pTab, + fts5SetVtabError(pTab, "'rebuild' may not be used with a contentless fts5 table" ); rc = SQLITE_ERROR; @@ -219075,7 +224513,7 @@ static int fts5SpecialInsert( } static int fts5SpecialDelete( - Fts5FullTable *pTab, + Fts5FullTable *pTab, sqlite3_value **apVal ){ int rc = SQLITE_OK; @@ -219088,9 +224526,9 @@ static int fts5SpecialDelete( } static void fts5StorageInsert( - int *pRc, - Fts5FullTable *pTab, - sqlite3_value **apVal, + int *pRc, + Fts5FullTable *pTab, + sqlite3_value **apVal, i64 *piRowid ){ int rc = *pRc; @@ -219103,13 +224541,13 @@ static void fts5StorageInsert( *pRc = rc; } -/* -** This function is the implementation of the xUpdate callback used by +/* +** This function is the implementation of the xUpdate callback used by ** FTS3 virtual tables. It is invoked by SQLite each time a row is to be ** inserted, updated or deleted. ** ** A delete specifies a single argument - the rowid of the row to remove. -** +** ** Update and insert operations pass: ** ** 1. The "old" rowid, or NULL. @@ -219133,8 +224571,8 @@ static int fts5UpdateMethod( assert( pVtab->zErrMsg==0 ); assert( nArg==1 || nArg==(2+pConfig->nCol+2) ); - assert( sqlite3_value_type(apVal[0])==SQLITE_INTEGER - || sqlite3_value_type(apVal[0])==SQLITE_NULL + assert( sqlite3_value_type(apVal[0])==SQLITE_INTEGER + || sqlite3_value_type(apVal[0])==SQLITE_NULL ); assert( pTab->p.pConfig->pzErrmsg==0 ); pTab->p.pConfig->pzErrmsg = &pTab->p.base.zErrMsg; @@ -219143,13 +224581,13 @@ static int fts5UpdateMethod( fts5TripCursors(pTab); eType0 = sqlite3_value_type(apVal[0]); - if( eType0==SQLITE_NULL - && sqlite3_value_type(apVal[2+pConfig->nCol])!=SQLITE_NULL + if( eType0==SQLITE_NULL + && sqlite3_value_type(apVal[2+pConfig->nCol])!=SQLITE_NULL ){ /* A "special" INSERT op. These are handled separately. */ const char *z = (const char*)sqlite3_value_text(apVal[2+pConfig->nCol]); - if( pConfig->eContent!=FTS5_CONTENT_NORMAL - && 0==sqlite3_stricmp("delete", z) + if( pConfig->eContent!=FTS5_CONTENT_NORMAL + && 0==sqlite3_stricmp("delete", z) ){ rc = fts5SpecialDelete(pTab, apVal); }else{ @@ -219157,7 +224595,7 @@ static int fts5UpdateMethod( } }else{ /* A regular INSERT, UPDATE or DELETE statement. The trick here is that - ** any conflict on the rowid value must be detected before any + ** any conflict on the rowid value must be detected before any ** modifications are made to the database file. There are 4 cases: ** ** 1) DELETE @@ -219179,7 +224617,7 @@ static int fts5UpdateMethod( ** This is not suported. */ if( eType0==SQLITE_INTEGER && fts5IsContentless(pTab) ){ pTab->p.base.zErrMsg = sqlite3_mprintf( - "cannot %s contentless fts5 table: %s", + "cannot %s contentless fts5 table: %s", (nArg>1 ? "UPDATE" : "DELETE from"), pConfig->zName ); rc = SQLITE_ERROR; @@ -219199,7 +224637,7 @@ static int fts5UpdateMethod( rc = SQLITE_MISMATCH; } - else if( eType0!=SQLITE_INTEGER ){ + else if( eType0!=SQLITE_INTEGER ){ /* If this is a REPLACE, first remove the current entry (if any) */ if( eConflict==SQLITE_REPLACE && eType1==SQLITE_INTEGER ){ i64 iNew = sqlite3_value_int64(apVal[1]); /* Rowid to delete */ @@ -219241,7 +224679,7 @@ static int fts5UpdateMethod( } /* -** Implementation of xSync() method. +** Implementation of xSync() method. */ static int fts5SyncMethod(sqlite3_vtab *pVtab){ int rc; @@ -219255,7 +224693,7 @@ static int fts5SyncMethod(sqlite3_vtab *pVtab){ } /* -** Implementation of xBegin() method. +** Implementation of xBegin() method. */ static int fts5BeginMethod(sqlite3_vtab *pVtab){ fts5CheckTransactionState((Fts5FullTable*)pVtab, FTS5_BEGIN, 0); @@ -219299,8 +224737,8 @@ static int fts5ApiColumnCount(Fts5Context *pCtx){ } static int fts5ApiColumnTotalSize( - Fts5Context *pCtx, - int iCol, + Fts5Context *pCtx, + int iCol, sqlite3_int64 *pnToken ){ Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; @@ -219315,8 +224753,8 @@ static int fts5ApiRowCount(Fts5Context *pCtx, i64 *pnRow){ } static int fts5ApiTokenize( - Fts5Context *pCtx, - const char *pText, int nText, + Fts5Context *pCtx, + const char *pText, int nText, void *pUserData, int (*xToken)(void*, int, const char*, int, int, int) ){ @@ -219338,15 +224776,15 @@ static int fts5ApiPhraseSize(Fts5Context *pCtx, int iPhrase){ } static int fts5ApiColumnText( - Fts5Context *pCtx, - int iCol, - const char **pz, + Fts5Context *pCtx, + int iCol, + const char **pz, int *pn ){ int rc = SQLITE_OK; Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; - if( fts5IsContentless((Fts5FullTable*)(pCsr->base.pVtab)) - || pCsr->ePlan==FTS5_PLAN_SPECIAL + if( fts5IsContentless((Fts5FullTable*)(pCsr->base.pVtab)) + || pCsr->ePlan==FTS5_PLAN_SPECIAL ){ *pz = 0; *pn = 0; @@ -219361,8 +224799,8 @@ static int fts5ApiColumnText( } static int fts5CsrPoslist( - Fts5Cursor *pCsr, - int iPhrase, + Fts5Cursor *pCsr, + int iPhrase, const u8 **pa, int *pn ){ @@ -219417,7 +224855,7 @@ static int fts5CacheInstArray(Fts5Cursor *pCsr){ Fts5PoslistReader *aIter; /* One iterator for each phrase */ int nIter; /* Number of iterators/phrases */ int nCol = ((Fts5Table*)pCsr->base.pVtab)->pConfig->nCol; - + nIter = sqlite3Fts5ExprPhraseCount(pCsr->pExpr); if( pCsr->aInstIter==0 ){ sqlite3_int64 nByte = sizeof(Fts5PoslistReader) * nIter; @@ -219432,7 +224870,7 @@ static int fts5CacheInstArray(Fts5Cursor *pCsr){ /* Initialize all iterators */ for(i=0; i<nIter && rc==SQLITE_OK; i++){ const u8 *a; - int n; + int n; rc = fts5CsrPoslist(pCsr, i, &a, &n); if( rc==SQLITE_OK ){ sqlite3Fts5PoslistReaderInit(a, n, &aIter[i]); @@ -219444,8 +224882,8 @@ static int fts5CacheInstArray(Fts5Cursor *pCsr){ int *aInst; int iBest = -1; for(i=0; i<nIter; i++){ - if( (aIter[i].bEof==0) - && (iBest<0 || aIter[i].iPos<aIter[iBest].iPos) + if( (aIter[i].bEof==0) + && (iBest<0 || aIter[i].iPos<aIter[iBest].iPos) ){ iBest = i; } @@ -219487,7 +224925,7 @@ static int fts5CacheInstArray(Fts5Cursor *pCsr){ static int fts5ApiInstCount(Fts5Context *pCtx, int *pnInst){ Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; int rc = SQLITE_OK; - if( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_INST)==0 + if( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_INST)==0 || SQLITE_OK==(rc = fts5CacheInstArray(pCsr)) ){ *pnInst = pCsr->nInstCount; } @@ -219495,16 +224933,16 @@ static int fts5ApiInstCount(Fts5Context *pCtx, int *pnInst){ } static int fts5ApiInst( - Fts5Context *pCtx, - int iIdx, - int *piPhrase, - int *piCol, + Fts5Context *pCtx, + int iIdx, + int *piPhrase, + int *piCol, int *piOff ){ Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; int rc = SQLITE_OK; - if( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_INST)==0 - || SQLITE_OK==(rc = fts5CacheInstArray(pCsr)) + if( CsrFlagTest(pCsr, FTS5CSR_REQUIRE_INST)==0 + || SQLITE_OK==(rc = fts5CacheInstArray(pCsr)) ){ if( iIdx<0 || iIdx>=pCsr->nInstCount ){ rc = SQLITE_RANGE; @@ -219653,8 +225091,8 @@ static void *fts5ApiGetAuxdata(Fts5Context *pCtx, int bClear){ } static void fts5ApiPhraseNext( - Fts5Context *pUnused, - Fts5PhraseIter *pIter, + Fts5Context *pUnused, + Fts5PhraseIter *pIter, int *piCol, int *piOff ){ UNUSED_PARAM(pUnused); @@ -219675,9 +225113,9 @@ static void fts5ApiPhraseNext( } static int fts5ApiPhraseFirst( - Fts5Context *pCtx, - int iPhrase, - Fts5PhraseIter *pIter, + Fts5Context *pCtx, + int iPhrase, + Fts5PhraseIter *pIter, int *piCol, int *piOff ){ Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; @@ -219693,8 +225131,8 @@ static int fts5ApiPhraseFirst( } static void fts5ApiPhraseNextColumn( - Fts5Context *pCtx, - Fts5PhraseIter *pIter, + Fts5Context *pCtx, + Fts5PhraseIter *pIter, int *piCol ){ Fts5Cursor *pCsr = (Fts5Cursor*)pCtx; @@ -219723,9 +225161,9 @@ static void fts5ApiPhraseNextColumn( } static int fts5ApiPhraseFirstColumn( - Fts5Context *pCtx, - int iPhrase, - Fts5PhraseIter *pIter, + Fts5Context *pCtx, + int iPhrase, + Fts5PhraseIter *pIter, int *piCol ){ int rc = SQLITE_OK; @@ -219766,7 +225204,7 @@ static int fts5ApiPhraseFirstColumn( } -static int fts5ApiQueryPhrase(Fts5Context*, int, void*, +static int fts5ApiQueryPhrase(Fts5Context*, int, void*, int(*)(const Fts5ExtensionApi*, Fts5Context*, void*) ); @@ -219797,8 +225235,8 @@ static const Fts5ExtensionApi sFts5Api = { ** Implementation of API function xQueryPhrase(). */ static int fts5ApiQueryPhrase( - Fts5Context *pCtx, - int iPhrase, + Fts5Context *pCtx, + int iPhrase, void *pUserData, int(*xCallback)(const Fts5ExtensionApi*, Fts5Context*, void*) ){ @@ -219880,7 +225318,7 @@ static void fts5ApiCallback( /* -** Given cursor id iId, return a pointer to the corresponding Fts5Table +** Given cursor id iId, return a pointer to the corresponding Fts5Table ** object. Or NULL If the cursor id does not exist. */ static Fts5Table *sqlite3Fts5TableFromCsrid( @@ -219963,7 +225401,7 @@ static int fts5PoslistBlob(sqlite3_context *pCtx, Fts5Cursor *pCsr){ return rc; } -/* +/* ** This is the xColumn method, called by SQLite to request a value from ** the row that the supplied cursor currently points to. */ @@ -219976,7 +225414,7 @@ static int fts5ColumnMethod( Fts5Config *pConfig = pTab->p.pConfig; Fts5Cursor *pCsr = (Fts5Cursor*)pCursor; int rc = SQLITE_OK; - + assert( CsrFlagTest(pCsr, FTS5CSR_EOF)==0 ); if( pCsr->ePlan==FTS5_PLAN_SPECIAL ){ @@ -219996,7 +225434,7 @@ static int fts5ColumnMethod( /* The value of the "rank" column. */ if( pCsr->ePlan==FTS5_PLAN_SOURCE ){ fts5PoslistBlob(pCtx, pCsr); - }else if( + }else if( pCsr->ePlan==FTS5_PLAN_MATCH || pCsr->ePlan==FTS5_PLAN_SORTED_MATCH ){ @@ -220005,10 +225443,12 @@ static int fts5ColumnMethod( } } }else if( !fts5IsContentless(pTab) ){ + pConfig->pzErrmsg = &pTab->p.base.zErrMsg; rc = fts5SeekCursor(pCsr, 1); if( rc==SQLITE_OK ){ sqlite3_result_value(pCtx, sqlite3_column_value(pCsr->pStmt, iCol+1)); } + pConfig->pzErrmsg = 0; } return rc; } @@ -220130,7 +225570,7 @@ static int fts5CreateAux( } /* -** Register a new tokenizer. This is the implementation of the +** Register a new tokenizer. This is the implementation of the ** fts5_api.xCreateTokenizer() method. */ static int fts5CreateTokenizer( @@ -220169,7 +225609,7 @@ static int fts5CreateTokenizer( } static Fts5TokenizerModule *fts5LocateTokenizer( - Fts5Global *pGlobal, + Fts5Global *pGlobal, const char *zName ){ Fts5TokenizerModule *pMod = 0; @@ -220186,7 +225626,7 @@ static Fts5TokenizerModule *fts5LocateTokenizer( } /* -** Find a tokenizer. This is the implementation of the +** Find a tokenizer. This is the implementation of the ** fts5_api.xFindTokenizer() method. */ static int fts5FindTokenizer( @@ -220211,7 +225651,7 @@ static int fts5FindTokenizer( } static int sqlite3Fts5GetTokenizer( - Fts5Global *pGlobal, + Fts5Global *pGlobal, const char **azArg, int nArg, Fts5Tokenizer **ppTok, @@ -220285,7 +225725,7 @@ static void fts5SourceIdFunc( ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); - sqlite3_result_text(pCtx, "fts5: 2019-10-10 20:19:45 18db032d058f1436ce3dea84081f4ee5a0f2259ad97301d43c426bc7f3df1b0b", -1, SQLITE_TRANSIENT); + sqlite3_result_text(pCtx, "fts5: 2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0ff3f", -1, SQLITE_TRANSIENT); } /* @@ -220381,7 +225821,7 @@ static int fts5Init(sqlite3 *db){ ** this module is being built as part of the SQLite core (SQLITE_CORE is ** defined), then sqlite3_open() will call sqlite3Fts5Init() directly. ** -** Or, if this module is being built as a loadable extension, +** Or, if this module is being built as a loadable extension, ** sqlite3Fts5Init() is omitted and the two standard entry points ** sqlite3_fts_init() and sqlite3_fts5_init() defined instead. */ @@ -220440,19 +225880,19 @@ struct Fts5Storage { Fts5Index *pIndex; int bTotalsValid; /* True if nTotalRow/aTotalSize[] are valid */ i64 nTotalRow; /* Total number of rows in FTS table */ - i64 *aTotalSize; /* Total sizes of each column */ + i64 *aTotalSize; /* Total sizes of each column */ sqlite3_stmt *aStmt[11]; }; -#if FTS5_STMT_SCAN_ASC!=0 -# error "FTS5_STMT_SCAN_ASC mismatch" +#if FTS5_STMT_SCAN_ASC!=0 +# error "FTS5_STMT_SCAN_ASC mismatch" #endif -#if FTS5_STMT_SCAN_DESC!=1 -# error "FTS5_STMT_SCAN_DESC mismatch" +#if FTS5_STMT_SCAN_DESC!=1 +# error "FTS5_STMT_SCAN_DESC mismatch" #endif #if FTS5_STMT_LOOKUP!=2 -# error "FTS5_STMT_LOOKUP mismatch" +# error "FTS5_STMT_LOOKUP mismatch" #endif #define FTS5_STMT_INSERT_CONTENT 3 @@ -220478,12 +225918,12 @@ static int fts5StorageGetStmt( ){ int rc = SQLITE_OK; - /* If there is no %_docsize table, there should be no requests for + /* If there is no %_docsize table, there should be no requests for ** statements to operate on it. */ assert( p->pConfig->bColumnsize || ( - eStmt!=FTS5_STMT_REPLACE_DOCSIZE - && eStmt!=FTS5_STMT_DELETE_DOCSIZE - && eStmt!=FTS5_STMT_LOOKUP_DOCSIZE + eStmt!=FTS5_STMT_REPLACE_DOCSIZE + && eStmt!=FTS5_STMT_DELETE_DOCSIZE + && eStmt!=FTS5_STMT_LOOKUP_DOCSIZE )); assert( eStmt>=0 && eStmt<ArraySize(p->aStmt) ); @@ -220509,26 +225949,26 @@ static int fts5StorageGetStmt( switch( eStmt ){ case FTS5_STMT_SCAN: - zSql = sqlite3_mprintf(azStmt[eStmt], + zSql = sqlite3_mprintf(azStmt[eStmt], pC->zContentExprlist, pC->zContent ); break; case FTS5_STMT_SCAN_ASC: case FTS5_STMT_SCAN_DESC: - zSql = sqlite3_mprintf(azStmt[eStmt], pC->zContentExprlist, + zSql = sqlite3_mprintf(azStmt[eStmt], pC->zContentExprlist, pC->zContent, pC->zContentRowid, pC->zContentRowid, pC->zContentRowid ); break; case FTS5_STMT_LOOKUP: - zSql = sqlite3_mprintf(azStmt[eStmt], + zSql = sqlite3_mprintf(azStmt[eStmt], pC->zContentExprlist, pC->zContent, pC->zContentRowid ); break; - case FTS5_STMT_INSERT_CONTENT: + case FTS5_STMT_INSERT_CONTENT: case FTS5_STMT_REPLACE_CONTENT: { int nCol = pC->nCol + 1; char *zBind; @@ -220602,7 +226042,7 @@ static int fts5ExecPrintf( ** code otherwise. */ static int sqlite3Fts5DropAll(Fts5Config *pConfig){ - int rc = fts5ExecPrintf(pConfig->db, 0, + int rc = fts5ExecPrintf(pConfig->db, 0, "DROP TABLE IF EXISTS %Q.'%q_data';" "DROP TABLE IF EXISTS %Q.'%q_idx';" "DROP TABLE IF EXISTS %Q.'%q_config';", @@ -220611,13 +226051,13 @@ static int sqlite3Fts5DropAll(Fts5Config *pConfig){ pConfig->zDb, pConfig->zName ); if( rc==SQLITE_OK && pConfig->bColumnsize ){ - rc = fts5ExecPrintf(pConfig->db, 0, + rc = fts5ExecPrintf(pConfig->db, 0, "DROP TABLE IF EXISTS %Q.'%q_docsize';", pConfig->zDb, pConfig->zName ); } if( rc==SQLITE_OK && pConfig->eContent==FTS5_CONTENT_NORMAL ){ - rc = fts5ExecPrintf(pConfig->db, 0, + rc = fts5ExecPrintf(pConfig->db, 0, "DROP TABLE IF EXISTS %Q.'%q_content';", pConfig->zDb, pConfig->zName ); @@ -220632,7 +226072,7 @@ static void fts5StorageRenameOne( const char *zName /* New name of FTS5 table */ ){ if( *pRc==SQLITE_OK ){ - *pRc = fts5ExecPrintf(pConfig->db, 0, + *pRc = fts5ExecPrintf(pConfig->db, 0, "ALTER TABLE %Q.'%q_%s' RENAME TO '%q_%s';", pConfig->zDb, pConfig->zName, zTail, zName, zTail ); @@ -220670,7 +226110,7 @@ static int sqlite3Fts5CreateTable( char *zErr = 0; rc = fts5ExecPrintf(pConfig->db, &zErr, "CREATE TABLE %Q.'%q_%q'(%s)%s", - pConfig->zDb, pConfig->zName, zPost, zDefn, + pConfig->zDb, pConfig->zName, zPost, zDefn, #ifndef SQLITE_FTS5_NO_WITHOUT_ROWID bWithout?" WITHOUT ROWID": #endif @@ -220678,7 +226118,7 @@ static int sqlite3Fts5CreateTable( ); if( zErr ){ *pzErr = sqlite3_mprintf( - "fts5: error creating shadow table %q_%s: %s", + "fts5: error creating shadow table %q_%s: %s", pConfig->zName, zPost, zErr ); sqlite3_free(zErr); @@ -220689,15 +226129,15 @@ static int sqlite3Fts5CreateTable( /* ** Open a new Fts5Index handle. If the bCreate argument is true, create -** and initialize the underlying tables +** and initialize the underlying tables ** ** If successful, set *pp to point to the new object and return SQLITE_OK. ** Otherwise, set *pp to NULL and return an SQLite error code. */ static int sqlite3Fts5StorageOpen( - Fts5Config *pConfig, - Fts5Index *pIndex, - int bCreate, + Fts5Config *pConfig, + Fts5Index *pIndex, + int bCreate, Fts5Storage **pp, char **pzErr /* OUT: Error message */ ){ @@ -220809,8 +226249,8 @@ static int fts5StorageInsertCallback( ** remove the %_content row at this time though. */ static int fts5StorageDeleteFromIndex( - Fts5Storage *p, - i64 iDel, + Fts5Storage *p, + i64 iDel, sqlite3_value **apVal ){ Fts5Config *pConfig = p->pConfig; @@ -220844,7 +226284,7 @@ static int fts5StorageDeleteFromIndex( nText = sqlite3_value_bytes(apVal[iCol-1]); } ctx.szCol = 0; - rc = sqlite3Fts5Tokenize(pConfig, FTS5_TOKENIZE_DOCUMENT, + rc = sqlite3Fts5Tokenize(pConfig, FTS5_TOKENIZE_DOCUMENT, zText, nText, (void*)&ctx, fts5StorageInsertCallback ); p->aTotalSize[iCol-1] -= (i64)ctx.szCol; @@ -220887,7 +226327,7 @@ static int fts5StorageInsertDocsize( } /* -** Load the contents of the "averages" record from disk into the +** Load the contents of the "averages" record from disk into the ** p->nTotalRow and p->aTotalSize[] variables. If successful, and if ** argument bCache is true, set the p->bTotalsValid flag to indicate ** that the contents of aTotalSize[] and nTotalRow are valid until @@ -220906,7 +226346,7 @@ static int fts5StorageLoadTotals(Fts5Storage *p, int bCache){ } /* -** Store the current contents of the p->nTotalRow and p->aTotalSize[] +** Store the current contents of the p->nTotalRow and p->aTotalSize[] ** variables in the "averages" record on disk. ** ** Return SQLITE_OK if successful, or an SQLite error code if an error @@ -220979,9 +226419,11 @@ static int sqlite3Fts5StorageDeleteAll(Fts5Storage *p){ Fts5Config *pConfig = p->pConfig; int rc; + p->bTotalsValid = 0; + /* Delete the contents of the %_data and %_docsize tables. */ rc = fts5ExecPrintf(pConfig->db, 0, - "DELETE FROM %Q.'%q_data';" + "DELETE FROM %Q.'%q_data';" "DELETE FROM %Q.'%q_idx';", pConfig->zDb, pConfig->zName, pConfig->zDb, pConfig->zName @@ -221030,10 +226472,11 @@ static int sqlite3Fts5StorageRebuild(Fts5Storage *p){ for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){ ctx.szCol = 0; if( pConfig->abUnindexed[ctx.iCol]==0 ){ - rc = sqlite3Fts5Tokenize(pConfig, + const char *zText = (const char*)sqlite3_column_text(pScan, ctx.iCol+1); + int nText = sqlite3_column_bytes(pScan, ctx.iCol+1); + rc = sqlite3Fts5Tokenize(pConfig, FTS5_TOKENIZE_DOCUMENT, - (const char*)sqlite3_column_text(pScan, ctx.iCol+1), - sqlite3_column_bytes(pScan, ctx.iCol+1), + zText, nText, (void*)&ctx, fts5StorageInsertCallback ); @@ -221101,8 +226544,8 @@ static int fts5StorageNewRowid(Fts5Storage *p, i64 *piRowid){ ** Insert a new row into the FTS content table. */ static int sqlite3Fts5StorageContentInsert( - Fts5Storage *p, - sqlite3_value **apVal, + Fts5Storage *p, + sqlite3_value **apVal, i64 *piRowid ){ Fts5Config *pConfig = p->pConfig; @@ -221136,8 +226579,8 @@ static int sqlite3Fts5StorageContentInsert( ** Insert new entries into the FTS index and %_docsize table. */ static int sqlite3Fts5StorageIndexInsert( - Fts5Storage *p, - sqlite3_value **apVal, + Fts5Storage *p, + sqlite3_value **apVal, i64 iRowid ){ Fts5Config *pConfig = p->pConfig; @@ -221155,10 +226598,11 @@ static int sqlite3Fts5StorageIndexInsert( for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){ ctx.szCol = 0; if( pConfig->abUnindexed[ctx.iCol]==0 ){ - rc = sqlite3Fts5Tokenize(pConfig, + const char *zText = (const char*)sqlite3_value_text(apVal[ctx.iCol+2]); + int nText = sqlite3_value_bytes(apVal[ctx.iCol+2]); + rc = sqlite3Fts5Tokenize(pConfig, FTS5_TOKENIZE_DOCUMENT, - (const char*)sqlite3_value_text(apVal[ctx.iCol+2]), - sqlite3_value_bytes(apVal[ctx.iCol+2]), + zText, nText, (void*)&ctx, fts5StorageInsertCallback ); @@ -221182,7 +226626,7 @@ static int fts5StorageCount(Fts5Storage *p, const char *zSuffix, i64 *pnRow){ char *zSql; int rc; - zSql = sqlite3_mprintf("SELECT count(*) FROM %Q.'%q_%s'", + zSql = sqlite3_mprintf("SELECT count(*) FROM %Q.'%q_%s'", pConfig->zDb, pConfig->zName, zSuffix ); if( zSql==0 ){ @@ -221327,10 +226771,11 @@ static int sqlite3Fts5StorageIntegrity(Fts5Storage *p){ rc = sqlite3Fts5TermsetNew(&ctx.pTermset); } if( rc==SQLITE_OK ){ - rc = sqlite3Fts5Tokenize(pConfig, + const char *zText = (const char*)sqlite3_column_text(pScan, i+1); + int nText = sqlite3_column_bytes(pScan, i+1); + rc = sqlite3Fts5Tokenize(pConfig, FTS5_TOKENIZE_DOCUMENT, - (const char*)sqlite3_column_text(pScan, i+1), - sqlite3_column_bytes(pScan, i+1), + zText, nText, (void*)&ctx, fts5StorageIntegrityCallback ); @@ -221391,13 +226836,13 @@ static int sqlite3Fts5StorageIntegrity(Fts5Storage *p){ ** %_content table. */ static int sqlite3Fts5StorageStmt( - Fts5Storage *p, - int eStmt, - sqlite3_stmt **pp, + Fts5Storage *p, + int eStmt, + sqlite3_stmt **pp, char **pzErrMsg ){ int rc; - assert( eStmt==FTS5_STMT_SCAN_ASC + assert( eStmt==FTS5_STMT_SCAN_ASC || eStmt==FTS5_STMT_SCAN_DESC || eStmt==FTS5_STMT_LOOKUP ); @@ -221415,8 +226860,8 @@ static int sqlite3Fts5StorageStmt( ** must match that passed to the sqlite3Fts5StorageStmt() call. */ static void sqlite3Fts5StorageStmtRelease( - Fts5Storage *p, - int eStmt, + Fts5Storage *p, + int eStmt, sqlite3_stmt *pStmt ){ assert( eStmt==FTS5_STMT_SCAN_ASC @@ -221499,7 +226944,7 @@ static int sqlite3Fts5StorageSize(Fts5Storage *p, int iCol, i64 *pnToken){ static int sqlite3Fts5StorageRowCount(Fts5Storage *p, i64 *pnRow){ int rc = fts5StorageLoadTotals(p, 0); if( rc==SQLITE_OK ){ - /* nTotalRow being zero does not necessarily indicate a corrupt + /* nTotalRow being zero does not necessarily indicate a corrupt ** database - it might be that the FTS5 table really does contain zero ** rows. However this function is only called from the xRowCount() API, ** and there is no way for that API to be invoked if the table contains @@ -221533,7 +226978,7 @@ static int sqlite3Fts5StorageRollback(Fts5Storage *p){ } static int sqlite3Fts5StorageConfigValue( - Fts5Storage *p, + Fts5Storage *p, const char *z, sqlite3_value *pVal, int iVal @@ -221583,7 +227028,7 @@ static int sqlite3Fts5StorageConfigValue( /* ** For tokenizers with no "unicode" modifier, the set of token characters -** is the same as the set of ASCII range alphanumeric characters. +** is the same as the set of ASCII range alphanumeric characters. */ static unsigned char aAsciiTokenChar[128] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00..0x0F */ @@ -221602,8 +227047,8 @@ struct AsciiTokenizer { }; static void fts5AsciiAddExceptions( - AsciiTokenizer *p, - const char *zArg, + AsciiTokenizer *p, + const char *zArg, int bTokenChars ){ int i; @@ -221625,7 +227070,7 @@ static void fts5AsciiDelete(Fts5Tokenizer *p){ ** Create an "ascii" tokenizer. */ static int fts5AsciiCreate( - void *pUnused, + void *pUnused, const char **azArg, int nArg, Fts5Tokenizer **ppOut ){ @@ -221728,7 +227173,7 @@ static int fts5AsciiTokenize( rc = xToken(pCtx, 0, pFold, nByte, is, ie); is = ie+1; } - + if( pFold!=aFold ) sqlite3_free(pFold); if( rc==SQLITE_DONE ) rc = SQLITE_OK; return rc; @@ -221833,7 +227278,7 @@ static int fts5UnicodeAddExceptions( p->aTokenChar[iCode] = (unsigned char)bTokenChars; }else{ bToken = p->aCategory[sqlite3Fts5UnicodeCategory(iCode)]; - assert( (bToken==0 || bToken==1) ); + assert( (bToken==0 || bToken==1) ); assert( (bTokenChars==0 || bTokenChars==1) ); if( bToken!=bTokenChars && sqlite3Fts5UnicodeIsdiacritic(iCode)==0 ){ int i; @@ -221912,12 +227357,12 @@ static int unicodeSetCategories(Unicode61Tokenizer *p, const char *zCat){ ** Create a "unicode61" tokenizer. */ static int fts5UnicodeCreate( - void *pUnused, + void *pUnused, const char **azArg, int nArg, Fts5Tokenizer **ppOut ){ int rc = SQLITE_OK; /* Return code */ - Unicode61Tokenizer *p = 0; /* New tokenizer object */ + Unicode61Tokenizer *p = 0; /* New tokenizer object */ UNUSED_PARAM(pUnused); @@ -221988,7 +227433,7 @@ static int fts5UnicodeCreate( /* ** Return true if, for the purposes of tokenizing with the tokenizer -** passed as the first argument, codepoint iCode is considered a token +** passed as the first argument, codepoint iCode is considered a token ** character (not a separator). */ static int fts5UnicodeIsAlnum(Unicode61Tokenizer *p, int iCode){ @@ -222080,7 +227525,7 @@ static int fts5UnicodeTokenize( } }else if( a[*zCsr]==0 ){ /* An ascii-range separator character. End of token. */ - break; + break; }else{ ascii_tokenchar: if( *zCsr>='A' && *zCsr<='Z' ){ @@ -222094,9 +227539,9 @@ static int fts5UnicodeTokenize( } /* Invoke the token callback */ - rc = xToken(pCtx, 0, aFold, zOut-aFold, is, ie); + rc = xToken(pCtx, 0, aFold, zOut-aFold, is, ie); } - + tokenize_done: if( rc==SQLITE_DONE ) rc = SQLITE_OK; return rc; @@ -222134,7 +227579,7 @@ static void fts5PorterDelete(Fts5Tokenizer *pTok){ ** Create a "porter" tokenizer. */ static int fts5PorterCreate( - void *pCtx, + void *pCtx, const char **azArg, int nArg, Fts5Tokenizer **ppOut ){ @@ -222278,7 +227723,7 @@ static int fts5Porter_Ostar(char *zStem, int nStem){ /* porter rule condition: (m > 1 and (*S or *T)) */ static int fts5Porter_MGt1_and_S_or_T(char *zStem, int nStem){ assert( nStem>0 ); - return (zStem[nStem-1]=='s' || zStem[nStem-1]=='t') + return (zStem[nStem-1]=='s' || zStem[nStem-1]=='t') && fts5Porter_MGt1(zStem, nStem); } @@ -222303,16 +227748,16 @@ static int fts5PorterStep4(char *aBuf, int *pnBuf){ int ret = 0; int nBuf = *pnBuf; switch( aBuf[nBuf-2] ){ - - case 'a': + + case 'a': if( nBuf>2 && 0==memcmp("al", &aBuf[nBuf-2], 2) ){ if( fts5Porter_MGt1(aBuf, nBuf-2) ){ *pnBuf = nBuf - 2; } } break; - - case 'c': + + case 'c': if( nBuf>4 && 0==memcmp("ance", &aBuf[nBuf-4], 4) ){ if( fts5Porter_MGt1(aBuf, nBuf-4) ){ *pnBuf = nBuf - 4; @@ -222323,24 +227768,24 @@ static int fts5PorterStep4(char *aBuf, int *pnBuf){ } } break; - - case 'e': + + case 'e': if( nBuf>2 && 0==memcmp("er", &aBuf[nBuf-2], 2) ){ if( fts5Porter_MGt1(aBuf, nBuf-2) ){ *pnBuf = nBuf - 2; } } break; - - case 'i': + + case 'i': if( nBuf>2 && 0==memcmp("ic", &aBuf[nBuf-2], 2) ){ if( fts5Porter_MGt1(aBuf, nBuf-2) ){ *pnBuf = nBuf - 2; } } break; - - case 'l': + + case 'l': if( nBuf>4 && 0==memcmp("able", &aBuf[nBuf-4], 4) ){ if( fts5Porter_MGt1(aBuf, nBuf-4) ){ *pnBuf = nBuf - 4; @@ -222351,8 +227796,8 @@ static int fts5PorterStep4(char *aBuf, int *pnBuf){ } } break; - - case 'n': + + case 'n': if( nBuf>3 && 0==memcmp("ant", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt1(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; @@ -222371,8 +227816,8 @@ static int fts5PorterStep4(char *aBuf, int *pnBuf){ } } break; - - case 'o': + + case 'o': if( nBuf>3 && 0==memcmp("ion", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt1_and_S_or_T(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; @@ -222383,16 +227828,16 @@ static int fts5PorterStep4(char *aBuf, int *pnBuf){ } } break; - - case 's': + + case 's': if( nBuf>3 && 0==memcmp("ism", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt1(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; } } break; - - case 't': + + case 't': if( nBuf>3 && 0==memcmp("ate", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt1(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; @@ -222403,76 +227848,76 @@ static int fts5PorterStep4(char *aBuf, int *pnBuf){ } } break; - - case 'u': + + case 'u': if( nBuf>3 && 0==memcmp("ous", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt1(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; } } break; - - case 'v': + + case 'v': if( nBuf>3 && 0==memcmp("ive", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt1(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; } } break; - - case 'z': + + case 'z': if( nBuf>3 && 0==memcmp("ize", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt1(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; } } break; - + } return ret; } - + static int fts5PorterStep1B2(char *aBuf, int *pnBuf){ int ret = 0; int nBuf = *pnBuf; switch( aBuf[nBuf-2] ){ - - case 'a': + + case 'a': if( nBuf>2 && 0==memcmp("at", &aBuf[nBuf-2], 2) ){ memcpy(&aBuf[nBuf-2], "ate", 3); *pnBuf = nBuf - 2 + 3; ret = 1; } break; - - case 'b': + + case 'b': if( nBuf>2 && 0==memcmp("bl", &aBuf[nBuf-2], 2) ){ memcpy(&aBuf[nBuf-2], "ble", 3); *pnBuf = nBuf - 2 + 3; ret = 1; } break; - - case 'i': + + case 'i': if( nBuf>2 && 0==memcmp("iz", &aBuf[nBuf-2], 2) ){ memcpy(&aBuf[nBuf-2], "ize", 3); *pnBuf = nBuf - 2 + 3; ret = 1; } break; - + } return ret; } - + static int fts5PorterStep2(char *aBuf, int *pnBuf){ int ret = 0; int nBuf = *pnBuf; switch( aBuf[nBuf-2] ){ - - case 'a': + + case 'a': if( nBuf>7 && 0==memcmp("ational", &aBuf[nBuf-7], 7) ){ if( fts5Porter_MGt0(aBuf, nBuf-7) ){ memcpy(&aBuf[nBuf-7], "ate", 3); @@ -222485,8 +227930,8 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - - case 'c': + + case 'c': if( nBuf>4 && 0==memcmp("enci", &aBuf[nBuf-4], 4) ){ if( fts5Porter_MGt0(aBuf, nBuf-4) ){ memcpy(&aBuf[nBuf-4], "ence", 4); @@ -222499,8 +227944,8 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - - case 'e': + + case 'e': if( nBuf>4 && 0==memcmp("izer", &aBuf[nBuf-4], 4) ){ if( fts5Porter_MGt0(aBuf, nBuf-4) ){ memcpy(&aBuf[nBuf-4], "ize", 3); @@ -222508,8 +227953,8 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - - case 'g': + + case 'g': if( nBuf>4 && 0==memcmp("logi", &aBuf[nBuf-4], 4) ){ if( fts5Porter_MGt0(aBuf, nBuf-4) ){ memcpy(&aBuf[nBuf-4], "log", 3); @@ -222517,8 +227962,8 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - - case 'l': + + case 'l': if( nBuf>3 && 0==memcmp("bli", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt0(aBuf, nBuf-3) ){ memcpy(&aBuf[nBuf-3], "ble", 3); @@ -222546,8 +227991,8 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - - case 'o': + + case 'o': if( nBuf>7 && 0==memcmp("ization", &aBuf[nBuf-7], 7) ){ if( fts5Porter_MGt0(aBuf, nBuf-7) ){ memcpy(&aBuf[nBuf-7], "ize", 3); @@ -222565,8 +228010,8 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - - case 's': + + case 's': if( nBuf>5 && 0==memcmp("alism", &aBuf[nBuf-5], 5) ){ if( fts5Porter_MGt0(aBuf, nBuf-5) ){ memcpy(&aBuf[nBuf-5], "al", 2); @@ -222589,8 +228034,8 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - - case 't': + + case 't': if( nBuf>5 && 0==memcmp("aliti", &aBuf[nBuf-5], 5) ){ if( fts5Porter_MGt0(aBuf, nBuf-5) ){ memcpy(&aBuf[nBuf-5], "al", 2); @@ -222608,18 +228053,18 @@ static int fts5PorterStep2(char *aBuf, int *pnBuf){ } } break; - + } return ret; } - + static int fts5PorterStep3(char *aBuf, int *pnBuf){ int ret = 0; int nBuf = *pnBuf; switch( aBuf[nBuf-2] ){ - - case 'a': + + case 'a': if( nBuf>4 && 0==memcmp("ical", &aBuf[nBuf-4], 4) ){ if( fts5Porter_MGt0(aBuf, nBuf-4) ){ memcpy(&aBuf[nBuf-4], "ic", 2); @@ -222627,16 +228072,16 @@ static int fts5PorterStep3(char *aBuf, int *pnBuf){ } } break; - - case 's': + + case 's': if( nBuf>4 && 0==memcmp("ness", &aBuf[nBuf-4], 4) ){ if( fts5Porter_MGt0(aBuf, nBuf-4) ){ *pnBuf = nBuf - 4; } } break; - - case 't': + + case 't': if( nBuf>5 && 0==memcmp("icate", &aBuf[nBuf-5], 5) ){ if( fts5Porter_MGt0(aBuf, nBuf-5) ){ memcpy(&aBuf[nBuf-5], "ic", 2); @@ -222649,24 +228094,24 @@ static int fts5PorterStep3(char *aBuf, int *pnBuf){ } } break; - - case 'u': + + case 'u': if( nBuf>3 && 0==memcmp("ful", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt0(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; } } break; - - case 'v': + + case 'v': if( nBuf>5 && 0==memcmp("ative", &aBuf[nBuf-5], 5) ){ if( fts5Porter_MGt0(aBuf, nBuf-5) ){ *pnBuf = nBuf - 5; } } break; - - case 'z': + + case 'z': if( nBuf>5 && 0==memcmp("alize", &aBuf[nBuf-5], 5) ){ if( fts5Porter_MGt0(aBuf, nBuf-5) ){ memcpy(&aBuf[nBuf-5], "al", 2); @@ -222674,18 +228119,18 @@ static int fts5PorterStep3(char *aBuf, int *pnBuf){ } } break; - + } return ret; } - + static int fts5PorterStep1B(char *aBuf, int *pnBuf){ int ret = 0; int nBuf = *pnBuf; switch( aBuf[nBuf-2] ){ - - case 'e': + + case 'e': if( nBuf>3 && 0==memcmp("eed", &aBuf[nBuf-3], 3) ){ if( fts5Porter_MGt0(aBuf, nBuf-3) ){ memcpy(&aBuf[nBuf-3], "ee", 2); @@ -222698,8 +228143,8 @@ static int fts5PorterStep1B(char *aBuf, int *pnBuf){ } } break; - - case 'n': + + case 'n': if( nBuf>3 && 0==memcmp("ing", &aBuf[nBuf-3], 3) ){ if( fts5Porter_Vowel(aBuf, nBuf-3) ){ *pnBuf = nBuf - 3; @@ -222707,12 +228152,12 @@ static int fts5PorterStep1B(char *aBuf, int *pnBuf){ } } break; - + } return ret; } - -/* + +/* ** GENERATED CODE ENDS HERE (mkportersteps.tcl) *************************************************************************** **************************************************************************/ @@ -222721,7 +228166,7 @@ static void fts5PorterStep1A(char *aBuf, int *pnBuf){ int nBuf = *pnBuf; if( aBuf[nBuf-1]=='s' ){ if( aBuf[nBuf-2]=='e' ){ - if( (nBuf>4 && aBuf[nBuf-4]=='s' && aBuf[nBuf-3]=='s') + if( (nBuf>4 && aBuf[nBuf-4]=='s' && aBuf[nBuf-3]=='s') || (nBuf>3 && aBuf[nBuf-3]=='i' ) ){ *pnBuf = nBuf-2; @@ -222736,11 +228181,11 @@ static void fts5PorterStep1A(char *aBuf, int *pnBuf){ } static int fts5PorterCb( - void *pCtx, + void *pCtx, int tflags, - const char *pToken, - int nToken, - int iStart, + const char *pToken, + int nToken, + int iStart, int iEnd ){ PorterContext *p = (PorterContext*)pCtx; @@ -222758,8 +228203,8 @@ static int fts5PorterCb( if( fts5PorterStep1B(aBuf, &nBuf) ){ if( fts5PorterStep1B2(aBuf, &nBuf)==0 ){ char c = aBuf[nBuf-1]; - if( fts5PorterIsVowel(c, 0)==0 - && c!='l' && c!='s' && c!='z' && c==aBuf[nBuf-2] + if( fts5PorterIsVowel(c, 0)==0 + && c!='l' && c!='s' && c!='z' && c==aBuf[nBuf-2] ){ nBuf--; }else if( fts5Porter_MEq1(aBuf, nBuf) && fts5Porter_Ostar(aBuf, nBuf) ){ @@ -222781,7 +228226,7 @@ static int fts5PorterCb( /* Step 5a. */ assert( nBuf>0 ); if( aBuf[nBuf-1]=='e' ){ - if( fts5Porter_MGt1(aBuf, nBuf-1) + if( fts5Porter_MGt1(aBuf, nBuf-1) || (fts5Porter_MEq1(aBuf, nBuf-1) && !fts5Porter_Ostar(aBuf, nBuf-1)) ){ nBuf--; @@ -222789,8 +228234,8 @@ static int fts5PorterCb( } /* Step 5b. */ - if( nBuf>1 && aBuf[nBuf-1]=='l' - && aBuf[nBuf-2]=='l' && fts5Porter_MGt1(aBuf, nBuf-1) + if( nBuf>1 && aBuf[nBuf-1]=='l' + && aBuf[nBuf-2]=='l' && fts5Porter_MGt1(aBuf, nBuf-1) ){ nBuf--; } @@ -222833,7 +228278,7 @@ static int sqlite3Fts5TokenizerInit(fts5_api *pApi){ { "ascii", {fts5AsciiCreate, fts5AsciiDelete, fts5AsciiTokenize }}, { "porter", {fts5PorterCreate, fts5PorterDelete, fts5PorterTokenize }}, }; - + int rc = SQLITE_OK; /* Return code */ int i; /* To iterate through builtin functions */ @@ -222881,46 +228326,46 @@ static int sqlite3Fts5TokenizerInit(fts5_api *pApi){ */ static int fts5_remove_diacritic(int c, int bComplex){ unsigned short aDia[] = { - 0, 1797, 1848, 1859, 1891, 1928, 1940, 1995, - 2024, 2040, 2060, 2110, 2168, 2206, 2264, 2286, - 2344, 2383, 2472, 2488, 2516, 2596, 2668, 2732, - 2782, 2842, 2894, 2954, 2984, 3000, 3028, 3336, - 3456, 3696, 3712, 3728, 3744, 3766, 3832, 3896, - 3912, 3928, 3944, 3968, 4008, 4040, 4056, 4106, - 4138, 4170, 4202, 4234, 4266, 4296, 4312, 4344, - 4408, 4424, 4442, 4472, 4488, 4504, 6148, 6198, - 6264, 6280, 6360, 6429, 6505, 6529, 61448, 61468, - 61512, 61534, 61592, 61610, 61642, 61672, 61688, 61704, - 61726, 61784, 61800, 61816, 61836, 61880, 61896, 61914, - 61948, 61998, 62062, 62122, 62154, 62184, 62200, 62218, - 62252, 62302, 62364, 62410, 62442, 62478, 62536, 62554, - 62584, 62604, 62640, 62648, 62656, 62664, 62730, 62766, - 62830, 62890, 62924, 62974, 63032, 63050, 63082, 63118, - 63182, 63242, 63274, 63310, 63368, 63390, + 0, 1797, 1848, 1859, 1891, 1928, 1940, 1995, + 2024, 2040, 2060, 2110, 2168, 2206, 2264, 2286, + 2344, 2383, 2472, 2488, 2516, 2596, 2668, 2732, + 2782, 2842, 2894, 2954, 2984, 3000, 3028, 3336, + 3456, 3696, 3712, 3728, 3744, 3766, 3832, 3896, + 3912, 3928, 3944, 3968, 4008, 4040, 4056, 4106, + 4138, 4170, 4202, 4234, 4266, 4296, 4312, 4344, + 4408, 4424, 4442, 4472, 4488, 4504, 6148, 6198, + 6264, 6280, 6360, 6429, 6505, 6529, 61448, 61468, + 61512, 61534, 61592, 61610, 61642, 61672, 61688, 61704, + 61726, 61784, 61800, 61816, 61836, 61880, 61896, 61914, + 61948, 61998, 62062, 62122, 62154, 62184, 62200, 62218, + 62252, 62302, 62364, 62410, 62442, 62478, 62536, 62554, + 62584, 62604, 62640, 62648, 62656, 62664, 62730, 62766, + 62830, 62890, 62924, 62974, 63032, 63050, 63082, 63118, + 63182, 63242, 63274, 63310, 63368, 63390, }; #define HIBIT ((unsigned char)0x80) unsigned char aChar[] = { - '\0', 'a', 'c', 'e', 'i', 'n', - 'o', 'u', 'y', 'y', 'a', 'c', - 'd', 'e', 'e', 'g', 'h', 'i', - 'j', 'k', 'l', 'n', 'o', 'r', - 's', 't', 'u', 'u', 'w', 'y', - 'z', 'o', 'u', 'a', 'i', 'o', - 'u', 'u'|HIBIT, 'a'|HIBIT, 'g', 'k', 'o', - 'o'|HIBIT, 'j', 'g', 'n', 'a'|HIBIT, 'a', - 'e', 'i', 'o', 'r', 'u', 's', - 't', 'h', 'a', 'e', 'o'|HIBIT, 'o', - 'o'|HIBIT, 'y', '\0', '\0', '\0', '\0', - '\0', '\0', '\0', '\0', 'a', 'b', - 'c'|HIBIT, 'd', 'd', 'e'|HIBIT, 'e', 'e'|HIBIT, - 'f', 'g', 'h', 'h', 'i', 'i'|HIBIT, - 'k', 'l', 'l'|HIBIT, 'l', 'm', 'n', - 'o'|HIBIT, 'p', 'r', 'r'|HIBIT, 'r', 's', - 's'|HIBIT, 't', 'u', 'u'|HIBIT, 'v', 'w', - 'w', 'x', 'y', 'z', 'h', 't', - 'w', 'y', 'a', 'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, - 'e', 'e'|HIBIT, 'e'|HIBIT, 'i', 'o', 'o'|HIBIT, - 'o'|HIBIT, 'o'|HIBIT, 'u', 'u'|HIBIT, 'u'|HIBIT, 'y', + '\0', 'a', 'c', 'e', 'i', 'n', + 'o', 'u', 'y', 'y', 'a', 'c', + 'd', 'e', 'e', 'g', 'h', 'i', + 'j', 'k', 'l', 'n', 'o', 'r', + 's', 't', 'u', 'u', 'w', 'y', + 'z', 'o', 'u', 'a', 'i', 'o', + 'u', 'u'|HIBIT, 'a'|HIBIT, 'g', 'k', 'o', + 'o'|HIBIT, 'j', 'g', 'n', 'a'|HIBIT, 'a', + 'e', 'i', 'o', 'r', 'u', 's', + 't', 'h', 'a', 'e', 'o'|HIBIT, 'o', + 'o'|HIBIT, 'y', '\0', '\0', '\0', '\0', + '\0', '\0', '\0', '\0', 'a', 'b', + 'c'|HIBIT, 'd', 'd', 'e'|HIBIT, 'e', 'e'|HIBIT, + 'f', 'g', 'h', 'h', 'i', 'i'|HIBIT, + 'k', 'l', 'l'|HIBIT, 'l', 'm', 'n', + 'o'|HIBIT, 'p', 'r', 'r'|HIBIT, 'r', 's', + 's'|HIBIT, 't', 'u', 'u'|HIBIT, 'v', 'w', + 'w', 'x', 'y', 'z', 'h', 't', + 'w', 'y', 'a', 'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, + 'e', 'e'|HIBIT, 'e'|HIBIT, 'i', 'o', 'o'|HIBIT, + 'o'|HIBIT, 'o'|HIBIT, 'u', 'u'|HIBIT, 'u'|HIBIT, 'y', }; unsigned int key = (((unsigned int)c)<<3) | 0x00000007; @@ -223042,19 +228487,19 @@ static int sqlite3Fts5UnicodeFold(int c, int eRemoveDiacritic){ {42802, 1, 62}, {42873, 1, 4}, {42877, 76, 1}, {42878, 1, 10}, {42891, 0, 1}, {42893, 74, 1}, {42896, 1, 4}, {42912, 1, 10}, {42922, 72, 1}, - {65313, 14, 26}, + {65313, 14, 26}, }; static const unsigned short aiOff[] = { - 1, 2, 8, 15, 16, 26, 28, 32, - 37, 38, 40, 48, 63, 64, 69, 71, - 79, 80, 116, 202, 203, 205, 206, 207, - 209, 210, 211, 213, 214, 217, 218, 219, - 775, 7264, 10792, 10795, 23228, 23256, 30204, 54721, - 54753, 54754, 54756, 54787, 54793, 54809, 57153, 57274, - 57921, 58019, 58363, 61722, 65268, 65341, 65373, 65406, - 65408, 65410, 65415, 65424, 65436, 65439, 65450, 65462, - 65472, 65476, 65478, 65480, 65482, 65488, 65506, 65511, - 65514, 65521, 65527, 65528, 65529, + 1, 2, 8, 15, 16, 26, 28, 32, + 37, 38, 40, 48, 63, 64, 69, 71, + 79, 80, 116, 202, 203, 205, 206, 207, + 209, 210, 211, 213, 214, 217, 218, 219, + 775, 7264, 10792, 10795, 23228, 23256, 30204, 54721, + 54753, 54754, 54756, 54787, 54793, 54809, 57153, 57274, + 57921, 58019, 58363, 61722, 65268, 65341, 65373, 65406, + 65408, 65410, 65415, 65424, 65436, 65439, 65450, 65462, + 65472, 65476, 65478, 65480, 65482, 65488, 65506, 65511, + 65514, 65521, 65527, 65528, 65529, }; int ret = c; @@ -223092,7 +228537,7 @@ static int sqlite3Fts5UnicodeFold(int c, int eRemoveDiacritic){ ret = fts5_remove_diacritic(ret, eRemoveDiacritic==2); } } - + else if( c>=66560 && c<66600 ){ ret = c + 40; } @@ -223101,7 +228546,7 @@ static int sqlite3Fts5UnicodeFold(int c, int eRemoveDiacritic){ } -static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ +static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ aArray[0] = 1; switch( zCat[0] ){ case 'C': @@ -223111,7 +228556,7 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ case 'n': aArray[3] = 1; break; case 's': aArray[4] = 1; break; case 'o': aArray[31] = 1; break; - case '*': + case '*': aArray[1] = 1; aArray[2] = 1; aArray[3] = 1; @@ -223129,7 +228574,7 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ case 't': aArray[8] = 1; break; case 'u': aArray[9] = 1; break; case 'C': aArray[30] = 1; break; - case '*': + case '*': aArray[5] = 1; aArray[6] = 1; aArray[7] = 1; @@ -223145,7 +228590,7 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ case 'c': aArray[10] = 1; break; case 'e': aArray[11] = 1; break; case 'n': aArray[12] = 1; break; - case '*': + case '*': aArray[10] = 1; aArray[11] = 1; aArray[12] = 1; @@ -223158,7 +228603,7 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ case 'd': aArray[13] = 1; break; case 'l': aArray[14] = 1; break; case 'o': aArray[15] = 1; break; - case '*': + case '*': aArray[13] = 1; aArray[14] = 1; aArray[15] = 1; @@ -223175,7 +228620,7 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ case 'i': aArray[20] = 1; break; case 'o': aArray[21] = 1; break; case 's': aArray[22] = 1; break; - case '*': + case '*': aArray[16] = 1; aArray[17] = 1; aArray[18] = 1; @@ -223193,7 +228638,7 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ case 'k': aArray[24] = 1; break; case 'm': aArray[25] = 1; break; case 'o': aArray[26] = 1; break; - case '*': + case '*': aArray[23] = 1; aArray[24] = 1; aArray[25] = 1; @@ -223207,7 +228652,7 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ case 'l': aArray[27] = 1; break; case 'p': aArray[28] = 1; break; case 's': aArray[29] = 1; break; - case '*': + case '*': aArray[27] = 1; aArray[28] = 1; aArray[29] = 1; @@ -223220,369 +228665,369 @@ static int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ } static u16 aFts5UnicodeBlock[] = { - 0, 1471, 1753, 1760, 1760, 1760, 1760, 1760, 1760, 1760, - 1760, 1760, 1760, 1760, 1760, 1763, 1765, + 0, 1471, 1753, 1760, 1760, 1760, 1760, 1760, 1760, 1760, + 1760, 1760, 1760, 1760, 1760, 1763, 1765, }; static u16 aFts5UnicodeMap[] = { - 0, 32, 33, 36, 37, 40, 41, 42, 43, 44, - 45, 46, 48, 58, 60, 63, 65, 91, 92, 93, - 94, 95, 96, 97, 123, 124, 125, 126, 127, 160, - 161, 162, 166, 167, 168, 169, 170, 171, 172, 173, - 174, 175, 176, 177, 178, 180, 181, 182, 184, 185, - 186, 187, 188, 191, 192, 215, 216, 223, 247, 248, - 256, 312, 313, 329, 330, 377, 383, 385, 387, 388, - 391, 394, 396, 398, 402, 403, 405, 406, 409, 412, - 414, 415, 417, 418, 423, 427, 428, 431, 434, 436, - 437, 440, 442, 443, 444, 446, 448, 452, 453, 454, - 455, 456, 457, 458, 459, 460, 461, 477, 478, 496, - 497, 498, 499, 500, 503, 505, 506, 564, 570, 572, - 573, 575, 577, 580, 583, 584, 592, 660, 661, 688, - 706, 710, 722, 736, 741, 748, 749, 750, 751, 768, - 880, 884, 885, 886, 890, 891, 894, 900, 902, 903, - 904, 908, 910, 912, 913, 931, 940, 975, 977, 978, - 981, 984, 1008, 1012, 1014, 1015, 1018, 1020, 1021, 1072, - 1120, 1154, 1155, 1160, 1162, 1217, 1231, 1232, 1329, 1369, - 1370, 1377, 1417, 1418, 1423, 1425, 1470, 1471, 1472, 1473, - 1475, 1476, 1478, 1479, 1488, 1520, 1523, 1536, 1542, 1545, - 1547, 1548, 1550, 1552, 1563, 1566, 1568, 1600, 1601, 1611, - 1632, 1642, 1646, 1648, 1649, 1748, 1749, 1750, 1757, 1758, - 1759, 1765, 1767, 1769, 1770, 1774, 1776, 1786, 1789, 1791, - 1792, 1807, 1808, 1809, 1810, 1840, 1869, 1958, 1969, 1984, - 1994, 2027, 2036, 2038, 2039, 2042, 2048, 2070, 2074, 2075, - 2084, 2085, 2088, 2089, 2096, 2112, 2137, 2142, 2208, 2210, - 2276, 2304, 2307, 2308, 2362, 2363, 2364, 2365, 2366, 2369, - 2377, 2381, 2382, 2384, 2385, 2392, 2402, 2404, 2406, 2416, - 2417, 2418, 2425, 2433, 2434, 2437, 2447, 2451, 2474, 2482, - 2486, 2492, 2493, 2494, 2497, 2503, 2507, 2509, 2510, 2519, - 2524, 2527, 2530, 2534, 2544, 2546, 2548, 2554, 2555, 2561, - 2563, 2565, 2575, 2579, 2602, 2610, 2613, 2616, 2620, 2622, - 2625, 2631, 2635, 2641, 2649, 2654, 2662, 2672, 2674, 2677, - 2689, 2691, 2693, 2703, 2707, 2730, 2738, 2741, 2748, 2749, - 2750, 2753, 2759, 2761, 2763, 2765, 2768, 2784, 2786, 2790, - 2800, 2801, 2817, 2818, 2821, 2831, 2835, 2858, 2866, 2869, - 2876, 2877, 2878, 2879, 2880, 2881, 2887, 2891, 2893, 2902, - 2903, 2908, 2911, 2914, 2918, 2928, 2929, 2930, 2946, 2947, - 2949, 2958, 2962, 2969, 2972, 2974, 2979, 2984, 2990, 3006, - 3008, 3009, 3014, 3018, 3021, 3024, 3031, 3046, 3056, 3059, - 3065, 3066, 3073, 3077, 3086, 3090, 3114, 3125, 3133, 3134, - 3137, 3142, 3146, 3157, 3160, 3168, 3170, 3174, 3192, 3199, - 3202, 3205, 3214, 3218, 3242, 3253, 3260, 3261, 3262, 3263, - 3264, 3270, 3271, 3274, 3276, 3285, 3294, 3296, 3298, 3302, - 3313, 3330, 3333, 3342, 3346, 3389, 3390, 3393, 3398, 3402, - 3405, 3406, 3415, 3424, 3426, 3430, 3440, 3449, 3450, 3458, - 3461, 3482, 3507, 3517, 3520, 3530, 3535, 3538, 3542, 3544, - 3570, 3572, 3585, 3633, 3634, 3636, 3647, 3648, 3654, 3655, - 3663, 3664, 3674, 3713, 3716, 3719, 3722, 3725, 3732, 3737, - 3745, 3749, 3751, 3754, 3757, 3761, 3762, 3764, 3771, 3773, - 3776, 3782, 3784, 3792, 3804, 3840, 3841, 3844, 3859, 3860, - 3861, 3864, 3866, 3872, 3882, 3892, 3893, 3894, 3895, 3896, - 3897, 3898, 3899, 3900, 3901, 3902, 3904, 3913, 3953, 3967, - 3968, 3973, 3974, 3976, 3981, 3993, 4030, 4038, 4039, 4046, - 4048, 4053, 4057, 4096, 4139, 4141, 4145, 4146, 4152, 4153, - 4155, 4157, 4159, 4160, 4170, 4176, 4182, 4184, 4186, 4190, - 4193, 4194, 4197, 4199, 4206, 4209, 4213, 4226, 4227, 4229, - 4231, 4237, 4238, 4239, 4240, 4250, 4253, 4254, 4256, 4295, - 4301, 4304, 4347, 4348, 4349, 4682, 4688, 4696, 4698, 4704, - 4746, 4752, 4786, 4792, 4800, 4802, 4808, 4824, 4882, 4888, - 4957, 4960, 4969, 4992, 5008, 5024, 5120, 5121, 5741, 5743, - 5760, 5761, 5787, 5788, 5792, 5867, 5870, 5888, 5902, 5906, - 5920, 5938, 5941, 5952, 5970, 5984, 5998, 6002, 6016, 6068, - 6070, 6071, 6078, 6086, 6087, 6089, 6100, 6103, 6104, 6107, - 6108, 6109, 6112, 6128, 6144, 6150, 6151, 6155, 6158, 6160, - 6176, 6211, 6212, 6272, 6313, 6314, 6320, 6400, 6432, 6435, - 6439, 6441, 6448, 6450, 6451, 6457, 6464, 6468, 6470, 6480, - 6512, 6528, 6576, 6593, 6600, 6608, 6618, 6622, 6656, 6679, - 6681, 6686, 6688, 6741, 6742, 6743, 6744, 6752, 6753, 6754, - 6755, 6757, 6765, 6771, 6783, 6784, 6800, 6816, 6823, 6824, - 6912, 6916, 6917, 6964, 6965, 6966, 6971, 6972, 6973, 6978, - 6979, 6981, 6992, 7002, 7009, 7019, 7028, 7040, 7042, 7043, - 7073, 7074, 7078, 7080, 7082, 7083, 7084, 7086, 7088, 7098, - 7142, 7143, 7144, 7146, 7149, 7150, 7151, 7154, 7164, 7168, - 7204, 7212, 7220, 7222, 7227, 7232, 7245, 7248, 7258, 7288, - 7294, 7360, 7376, 7379, 7380, 7393, 7394, 7401, 7405, 7406, - 7410, 7412, 7413, 7424, 7468, 7531, 7544, 7545, 7579, 7616, - 7676, 7680, 7830, 7838, 7936, 7944, 7952, 7960, 7968, 7976, - 7984, 7992, 8000, 8008, 8016, 8025, 8027, 8029, 8031, 8033, - 8040, 8048, 8064, 8072, 8080, 8088, 8096, 8104, 8112, 8118, - 8120, 8124, 8125, 8126, 8127, 8130, 8134, 8136, 8140, 8141, - 8144, 8150, 8152, 8157, 8160, 8168, 8173, 8178, 8182, 8184, - 8188, 8189, 8192, 8203, 8208, 8214, 8216, 8217, 8218, 8219, - 8221, 8222, 8223, 8224, 8232, 8233, 8234, 8239, 8240, 8249, - 8250, 8251, 8255, 8257, 8260, 8261, 8262, 8263, 8274, 8275, - 8276, 8277, 8287, 8288, 8298, 8304, 8305, 8308, 8314, 8317, - 8318, 8319, 8320, 8330, 8333, 8334, 8336, 8352, 8400, 8413, - 8417, 8418, 8421, 8448, 8450, 8451, 8455, 8456, 8458, 8459, - 8462, 8464, 8467, 8468, 8469, 8470, 8472, 8473, 8478, 8484, - 8485, 8486, 8487, 8488, 8489, 8490, 8494, 8495, 8496, 8500, - 8501, 8505, 8506, 8508, 8510, 8512, 8517, 8519, 8522, 8523, - 8524, 8526, 8527, 8528, 8544, 8579, 8581, 8585, 8592, 8597, - 8602, 8604, 8608, 8609, 8611, 8612, 8614, 8615, 8622, 8623, - 8654, 8656, 8658, 8659, 8660, 8661, 8692, 8960, 8968, 8972, - 8992, 8994, 9001, 9002, 9003, 9084, 9085, 9115, 9140, 9180, - 9186, 9216, 9280, 9312, 9372, 9450, 9472, 9655, 9656, 9665, - 9666, 9720, 9728, 9839, 9840, 9985, 10088, 10089, 10090, 10091, - 10092, 10093, 10094, 10095, 10096, 10097, 10098, 10099, 10100, 10101, - 10102, 10132, 10176, 10181, 10182, 10183, 10214, 10215, 10216, 10217, - 10218, 10219, 10220, 10221, 10222, 10223, 10224, 10240, 10496, 10627, - 10628, 10629, 10630, 10631, 10632, 10633, 10634, 10635, 10636, 10637, - 10638, 10639, 10640, 10641, 10642, 10643, 10644, 10645, 10646, 10647, - 10648, 10649, 10712, 10713, 10714, 10715, 10716, 10748, 10749, 10750, - 11008, 11056, 11077, 11079, 11088, 11264, 11312, 11360, 11363, 11365, - 11367, 11374, 11377, 11378, 11380, 11381, 11383, 11388, 11390, 11393, - 11394, 11492, 11493, 11499, 11503, 11506, 11513, 11517, 11518, 11520, - 11559, 11565, 11568, 11631, 11632, 11647, 11648, 11680, 11688, 11696, - 11704, 11712, 11720, 11728, 11736, 11744, 11776, 11778, 11779, 11780, - 11781, 11782, 11785, 11786, 11787, 11788, 11789, 11790, 11799, 11800, - 11802, 11803, 11804, 11805, 11806, 11808, 11809, 11810, 11811, 11812, - 11813, 11814, 11815, 11816, 11817, 11818, 11823, 11824, 11834, 11904, - 11931, 12032, 12272, 12288, 12289, 12292, 12293, 12294, 12295, 12296, - 12297, 12298, 12299, 12300, 12301, 12302, 12303, 12304, 12305, 12306, - 12308, 12309, 12310, 12311, 12312, 12313, 12314, 12315, 12316, 12317, - 12318, 12320, 12321, 12330, 12334, 12336, 12337, 12342, 12344, 12347, - 12348, 12349, 12350, 12353, 12441, 12443, 12445, 12447, 12448, 12449, - 12539, 12540, 12543, 12549, 12593, 12688, 12690, 12694, 12704, 12736, - 12784, 12800, 12832, 12842, 12872, 12880, 12881, 12896, 12928, 12938, - 12977, 12992, 13056, 13312, 19893, 19904, 19968, 40908, 40960, 40981, - 40982, 42128, 42192, 42232, 42238, 42240, 42508, 42509, 42512, 42528, - 42538, 42560, 42606, 42607, 42608, 42611, 42612, 42622, 42623, 42624, - 42655, 42656, 42726, 42736, 42738, 42752, 42775, 42784, 42786, 42800, - 42802, 42864, 42865, 42873, 42878, 42888, 42889, 42891, 42896, 42912, - 43000, 43002, 43003, 43010, 43011, 43014, 43015, 43019, 43020, 43043, - 43045, 43047, 43048, 43056, 43062, 43064, 43065, 43072, 43124, 43136, - 43138, 43188, 43204, 43214, 43216, 43232, 43250, 43256, 43259, 43264, - 43274, 43302, 43310, 43312, 43335, 43346, 43359, 43360, 43392, 43395, - 43396, 43443, 43444, 43446, 43450, 43452, 43453, 43457, 43471, 43472, - 43486, 43520, 43561, 43567, 43569, 43571, 43573, 43584, 43587, 43588, - 43596, 43597, 43600, 43612, 43616, 43632, 43633, 43639, 43642, 43643, - 43648, 43696, 43697, 43698, 43701, 43703, 43705, 43710, 43712, 43713, - 43714, 43739, 43741, 43742, 43744, 43755, 43756, 43758, 43760, 43762, - 43763, 43765, 43766, 43777, 43785, 43793, 43808, 43816, 43968, 44003, - 44005, 44006, 44008, 44009, 44011, 44012, 44013, 44016, 44032, 55203, - 55216, 55243, 55296, 56191, 56319, 57343, 57344, 63743, 63744, 64112, - 64256, 64275, 64285, 64286, 64287, 64297, 64298, 64312, 64318, 64320, - 64323, 64326, 64434, 64467, 64830, 64831, 64848, 64914, 65008, 65020, - 65021, 65024, 65040, 65047, 65048, 65049, 65056, 65072, 65073, 65075, - 65077, 65078, 65079, 65080, 65081, 65082, 65083, 65084, 65085, 65086, - 65087, 65088, 65089, 65090, 65091, 65092, 65093, 65095, 65096, 65097, - 65101, 65104, 65108, 65112, 65113, 65114, 65115, 65116, 65117, 65118, - 65119, 65122, 65123, 65124, 65128, 65129, 65130, 65136, 65142, 65279, - 65281, 65284, 65285, 65288, 65289, 65290, 65291, 65292, 65293, 65294, - 65296, 65306, 65308, 65311, 65313, 65339, 65340, 65341, 65342, 65343, - 65344, 65345, 65371, 65372, 65373, 65374, 65375, 65376, 65377, 65378, - 65379, 65380, 65382, 65392, 65393, 65438, 65440, 65474, 65482, 65490, - 65498, 65504, 65506, 65507, 65508, 65509, 65512, 65513, 65517, 65529, - 65532, 0, 13, 40, 60, 63, 80, 128, 256, 263, - 311, 320, 373, 377, 394, 400, 464, 509, 640, 672, - 768, 800, 816, 833, 834, 842, 896, 927, 928, 968, - 976, 977, 1024, 1064, 1104, 1184, 2048, 2056, 2058, 2103, - 2108, 2111, 2135, 2136, 2304, 2326, 2335, 2336, 2367, 2432, - 2494, 2560, 2561, 2565, 2572, 2576, 2581, 2585, 2616, 2623, - 2624, 2640, 2656, 2685, 2687, 2816, 2873, 2880, 2904, 2912, - 2936, 3072, 3680, 4096, 4097, 4098, 4099, 4152, 4167, 4178, - 4198, 4224, 4226, 4227, 4272, 4275, 4279, 4281, 4283, 4285, - 4286, 4304, 4336, 4352, 4355, 4391, 4396, 4397, 4406, 4416, - 4480, 4482, 4483, 4531, 4534, 4543, 4545, 4549, 4560, 5760, - 5803, 5804, 5805, 5806, 5808, 5814, 5815, 5824, 8192, 9216, - 9328, 12288, 26624, 28416, 28496, 28497, 28559, 28563, 45056, 53248, - 53504, 53545, 53605, 53607, 53610, 53613, 53619, 53627, 53635, 53637, - 53644, 53674, 53678, 53760, 53826, 53829, 54016, 54112, 54272, 54298, - 54324, 54350, 54358, 54376, 54402, 54428, 54430, 54434, 54437, 54441, - 54446, 54454, 54459, 54461, 54469, 54480, 54506, 54532, 54535, 54541, - 54550, 54558, 54584, 54587, 54592, 54598, 54602, 54610, 54636, 54662, - 54688, 54714, 54740, 54766, 54792, 54818, 54844, 54870, 54896, 54922, - 54952, 54977, 54978, 55003, 55004, 55010, 55035, 55036, 55061, 55062, - 55068, 55093, 55094, 55119, 55120, 55126, 55151, 55152, 55177, 55178, - 55184, 55209, 55210, 55235, 55236, 55242, 55246, 60928, 60933, 60961, - 60964, 60967, 60969, 60980, 60985, 60987, 60994, 60999, 61001, 61003, - 61005, 61009, 61012, 61015, 61017, 61019, 61021, 61023, 61025, 61028, - 61031, 61036, 61044, 61049, 61054, 61056, 61067, 61089, 61093, 61099, - 61168, 61440, 61488, 61600, 61617, 61633, 61649, 61696, 61712, 61744, - 61808, 61926, 61968, 62016, 62032, 62208, 62256, 62263, 62336, 62368, - 62406, 62432, 62464, 62528, 62530, 62713, 62720, 62784, 62800, 62971, - 63045, 63104, 63232, 0, 42710, 42752, 46900, 46912, 47133, 63488, - 1, 32, 256, 0, 65533, + 0, 32, 33, 36, 37, 40, 41, 42, 43, 44, + 45, 46, 48, 58, 60, 63, 65, 91, 92, 93, + 94, 95, 96, 97, 123, 124, 125, 126, 127, 160, + 161, 162, 166, 167, 168, 169, 170, 171, 172, 173, + 174, 175, 176, 177, 178, 180, 181, 182, 184, 185, + 186, 187, 188, 191, 192, 215, 216, 223, 247, 248, + 256, 312, 313, 329, 330, 377, 383, 385, 387, 388, + 391, 394, 396, 398, 402, 403, 405, 406, 409, 412, + 414, 415, 417, 418, 423, 427, 428, 431, 434, 436, + 437, 440, 442, 443, 444, 446, 448, 452, 453, 454, + 455, 456, 457, 458, 459, 460, 461, 477, 478, 496, + 497, 498, 499, 500, 503, 505, 506, 564, 570, 572, + 573, 575, 577, 580, 583, 584, 592, 660, 661, 688, + 706, 710, 722, 736, 741, 748, 749, 750, 751, 768, + 880, 884, 885, 886, 890, 891, 894, 900, 902, 903, + 904, 908, 910, 912, 913, 931, 940, 975, 977, 978, + 981, 984, 1008, 1012, 1014, 1015, 1018, 1020, 1021, 1072, + 1120, 1154, 1155, 1160, 1162, 1217, 1231, 1232, 1329, 1369, + 1370, 1377, 1417, 1418, 1423, 1425, 1470, 1471, 1472, 1473, + 1475, 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3872, 3882, 3892, 3893, 3894, 3895, 3896, + 3897, 3898, 3899, 3900, 3901, 3902, 3904, 3913, 3953, 3967, + 3968, 3973, 3974, 3976, 3981, 3993, 4030, 4038, 4039, 4046, + 4048, 4053, 4057, 4096, 4139, 4141, 4145, 4146, 4152, 4153, + 4155, 4157, 4159, 4160, 4170, 4176, 4182, 4184, 4186, 4190, + 4193, 4194, 4197, 4199, 4206, 4209, 4213, 4226, 4227, 4229, + 4231, 4237, 4238, 4239, 4240, 4250, 4253, 4254, 4256, 4295, + 4301, 4304, 4347, 4348, 4349, 4682, 4688, 4696, 4698, 4704, + 4746, 4752, 4786, 4792, 4800, 4802, 4808, 4824, 4882, 4888, + 4957, 4960, 4969, 4992, 5008, 5024, 5120, 5121, 5741, 5743, + 5760, 5761, 5787, 5788, 5792, 5867, 5870, 5888, 5902, 5906, + 5920, 5938, 5941, 5952, 5970, 5984, 5998, 6002, 6016, 6068, + 6070, 6071, 6078, 6086, 6087, 6089, 6100, 6103, 6104, 6107, + 6108, 6109, 6112, 6128, 6144, 6150, 6151, 6155, 6158, 6160, + 6176, 6211, 6212, 6272, 6313, 6314, 6320, 6400, 6432, 6435, + 6439, 6441, 6448, 6450, 6451, 6457, 6464, 6468, 6470, 6480, + 6512, 6528, 6576, 6593, 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8233, 8234, 8239, 8240, 8249, + 8250, 8251, 8255, 8257, 8260, 8261, 8262, 8263, 8274, 8275, + 8276, 8277, 8287, 8288, 8298, 8304, 8305, 8308, 8314, 8317, + 8318, 8319, 8320, 8330, 8333, 8334, 8336, 8352, 8400, 8413, + 8417, 8418, 8421, 8448, 8450, 8451, 8455, 8456, 8458, 8459, + 8462, 8464, 8467, 8468, 8469, 8470, 8472, 8473, 8478, 8484, + 8485, 8486, 8487, 8488, 8489, 8490, 8494, 8495, 8496, 8500, + 8501, 8505, 8506, 8508, 8510, 8512, 8517, 8519, 8522, 8523, + 8524, 8526, 8527, 8528, 8544, 8579, 8581, 8585, 8592, 8597, + 8602, 8604, 8608, 8609, 8611, 8612, 8614, 8615, 8622, 8623, + 8654, 8656, 8658, 8659, 8660, 8661, 8692, 8960, 8968, 8972, + 8992, 8994, 9001, 9002, 9003, 9084, 9085, 9115, 9140, 9180, + 9186, 9216, 9280, 9312, 9372, 9450, 9472, 9655, 9656, 9665, + 9666, 9720, 9728, 9839, 9840, 9985, 10088, 10089, 10090, 10091, + 10092, 10093, 10094, 10095, 10096, 10097, 10098, 10099, 10100, 10101, + 10102, 10132, 10176, 10181, 10182, 10183, 10214, 10215, 10216, 10217, + 10218, 10219, 10220, 10221, 10222, 10223, 10224, 10240, 10496, 10627, + 10628, 10629, 10630, 10631, 10632, 10633, 10634, 10635, 10636, 10637, + 10638, 10639, 10640, 10641, 10642, 10643, 10644, 10645, 10646, 10647, + 10648, 10649, 10712, 10713, 10714, 10715, 10716, 10748, 10749, 10750, + 11008, 11056, 11077, 11079, 11088, 11264, 11312, 11360, 11363, 11365, + 11367, 11374, 11377, 11378, 11380, 11381, 11383, 11388, 11390, 11393, + 11394, 11492, 11493, 11499, 11503, 11506, 11513, 11517, 11518, 11520, + 11559, 11565, 11568, 11631, 11632, 11647, 11648, 11680, 11688, 11696, + 11704, 11712, 11720, 11728, 11736, 11744, 11776, 11778, 11779, 11780, + 11781, 11782, 11785, 11786, 11787, 11788, 11789, 11790, 11799, 11800, + 11802, 11803, 11804, 11805, 11806, 11808, 11809, 11810, 11811, 11812, + 11813, 11814, 11815, 11816, 11817, 11818, 11823, 11824, 11834, 11904, + 11931, 12032, 12272, 12288, 12289, 12292, 12293, 12294, 12295, 12296, + 12297, 12298, 12299, 12300, 12301, 12302, 12303, 12304, 12305, 12306, + 12308, 12309, 12310, 12311, 12312, 12313, 12314, 12315, 12316, 12317, + 12318, 12320, 12321, 12330, 12334, 12336, 12337, 12342, 12344, 12347, + 12348, 12349, 12350, 12353, 12441, 12443, 12445, 12447, 12448, 12449, + 12539, 12540, 12543, 12549, 12593, 12688, 12690, 12694, 12704, 12736, + 12784, 12800, 12832, 12842, 12872, 12880, 12881, 12896, 12928, 12938, + 12977, 12992, 13056, 13312, 19893, 19904, 19968, 40908, 40960, 40981, + 40982, 42128, 42192, 42232, 42238, 42240, 42508, 42509, 42512, 42528, + 42538, 42560, 42606, 42607, 42608, 42611, 42612, 42622, 42623, 42624, + 42655, 42656, 42726, 42736, 42738, 42752, 42775, 42784, 42786, 42800, + 42802, 42864, 42865, 42873, 42878, 42888, 42889, 42891, 42896, 42912, + 43000, 43002, 43003, 43010, 43011, 43014, 43015, 43019, 43020, 43043, + 43045, 43047, 43048, 43056, 43062, 43064, 43065, 43072, 43124, 43136, + 43138, 43188, 43204, 43214, 43216, 43232, 43250, 43256, 43259, 43264, + 43274, 43302, 43310, 43312, 43335, 43346, 43359, 43360, 43392, 43395, + 43396, 43443, 43444, 43446, 43450, 43452, 43453, 43457, 43471, 43472, + 43486, 43520, 43561, 43567, 43569, 43571, 43573, 43584, 43587, 43588, + 43596, 43597, 43600, 43612, 43616, 43632, 43633, 43639, 43642, 43643, + 43648, 43696, 43697, 43698, 43701, 43703, 43705, 43710, 43712, 43713, + 43714, 43739, 43741, 43742, 43744, 43755, 43756, 43758, 43760, 43762, + 43763, 43765, 43766, 43777, 43785, 43793, 43808, 43816, 43968, 44003, + 44005, 44006, 44008, 44009, 44011, 44012, 44013, 44016, 44032, 55203, + 55216, 55243, 55296, 56191, 56319, 57343, 57344, 63743, 63744, 64112, + 64256, 64275, 64285, 64286, 64287, 64297, 64298, 64312, 64318, 64320, + 64323, 64326, 64434, 64467, 64830, 64831, 64848, 64914, 65008, 65020, + 65021, 65024, 65040, 65047, 65048, 65049, 65056, 65072, 65073, 65075, + 65077, 65078, 65079, 65080, 65081, 65082, 65083, 65084, 65085, 65086, + 65087, 65088, 65089, 65090, 65091, 65092, 65093, 65095, 65096, 65097, + 65101, 65104, 65108, 65112, 65113, 65114, 65115, 65116, 65117, 65118, + 65119, 65122, 65123, 65124, 65128, 65129, 65130, 65136, 65142, 65279, + 65281, 65284, 65285, 65288, 65289, 65290, 65291, 65292, 65293, 65294, + 65296, 65306, 65308, 65311, 65313, 65339, 65340, 65341, 65342, 65343, + 65344, 65345, 65371, 65372, 65373, 65374, 65375, 65376, 65377, 65378, + 65379, 65380, 65382, 65392, 65393, 65438, 65440, 65474, 65482, 65490, + 65498, 65504, 65506, 65507, 65508, 65509, 65512, 65513, 65517, 65529, + 65532, 0, 13, 40, 60, 63, 80, 128, 256, 263, + 311, 320, 373, 377, 394, 400, 464, 509, 640, 672, + 768, 800, 816, 833, 834, 842, 896, 927, 928, 968, + 976, 977, 1024, 1064, 1104, 1184, 2048, 2056, 2058, 2103, + 2108, 2111, 2135, 2136, 2304, 2326, 2335, 2336, 2367, 2432, + 2494, 2560, 2561, 2565, 2572, 2576, 2581, 2585, 2616, 2623, + 2624, 2640, 2656, 2685, 2687, 2816, 2873, 2880, 2904, 2912, + 2936, 3072, 3680, 4096, 4097, 4098, 4099, 4152, 4167, 4178, + 4198, 4224, 4226, 4227, 4272, 4275, 4279, 4281, 4283, 4285, + 4286, 4304, 4336, 4352, 4355, 4391, 4396, 4397, 4406, 4416, + 4480, 4482, 4483, 4531, 4534, 4543, 4545, 4549, 4560, 5760, + 5803, 5804, 5805, 5806, 5808, 5814, 5815, 5824, 8192, 9216, + 9328, 12288, 26624, 28416, 28496, 28497, 28559, 28563, 45056, 53248, + 53504, 53545, 53605, 53607, 53610, 53613, 53619, 53627, 53635, 53637, + 53644, 53674, 53678, 53760, 53826, 53829, 54016, 54112, 54272, 54298, + 54324, 54350, 54358, 54376, 54402, 54428, 54430, 54434, 54437, 54441, + 54446, 54454, 54459, 54461, 54469, 54480, 54506, 54532, 54535, 54541, + 54550, 54558, 54584, 54587, 54592, 54598, 54602, 54610, 54636, 54662, + 54688, 54714, 54740, 54766, 54792, 54818, 54844, 54870, 54896, 54922, + 54952, 54977, 54978, 55003, 55004, 55010, 55035, 55036, 55061, 55062, + 55068, 55093, 55094, 55119, 55120, 55126, 55151, 55152, 55177, 55178, + 55184, 55209, 55210, 55235, 55236, 55242, 55246, 60928, 60933, 60961, + 60964, 60967, 60969, 60980, 60985, 60987, 60994, 60999, 61001, 61003, + 61005, 61009, 61012, 61015, 61017, 61019, 61021, 61023, 61025, 61028, + 61031, 61036, 61044, 61049, 61054, 61056, 61067, 61089, 61093, 61099, + 61168, 61440, 61488, 61600, 61617, 61633, 61649, 61696, 61712, 61744, + 61808, 61926, 61968, 62016, 62032, 62208, 62256, 62263, 62336, 62368, + 62406, 62432, 62464, 62528, 62530, 62713, 62720, 62784, 62800, 62971, + 63045, 63104, 63232, 0, 42710, 42752, 46900, 46912, 47133, 63488, + 1, 32, 256, 0, 65533, }; static u16 aFts5UnicodeData[] = { - 1025, 61, 117, 55, 117, 54, 50, 53, 57, 53, - 49, 85, 333, 85, 121, 85, 841, 54, 53, 50, - 56, 48, 56, 837, 54, 57, 50, 57, 1057, 61, - 53, 151, 58, 53, 56, 58, 39, 52, 57, 34, - 58, 56, 58, 57, 79, 56, 37, 85, 56, 47, - 39, 51, 111, 53, 745, 57, 233, 773, 57, 261, - 1822, 37, 542, 37, 1534, 222, 69, 73, 37, 126, - 126, 73, 69, 137, 37, 73, 37, 105, 101, 73, - 37, 73, 37, 190, 158, 37, 126, 126, 73, 37, - 126, 94, 37, 39, 94, 69, 135, 41, 40, 37, - 41, 40, 37, 41, 40, 37, 542, 37, 606, 37, - 41, 40, 37, 126, 73, 37, 1886, 197, 73, 37, - 73, 69, 126, 105, 37, 286, 2181, 39, 869, 582, - 152, 390, 472, 166, 248, 38, 56, 38, 568, 3596, - 158, 38, 56, 94, 38, 101, 53, 88, 41, 53, - 105, 41, 73, 37, 553, 297, 1125, 94, 37, 105, - 101, 798, 133, 94, 57, 126, 94, 37, 1641, 1541, - 1118, 58, 172, 75, 1790, 478, 37, 2846, 1225, 38, - 213, 1253, 53, 49, 55, 1452, 49, 44, 53, 76, - 53, 76, 53, 44, 871, 103, 85, 162, 121, 85, - 55, 85, 90, 364, 53, 85, 1031, 38, 327, 684, - 333, 149, 71, 44, 3175, 53, 39, 236, 34, 58, - 204, 70, 76, 58, 140, 71, 333, 103, 90, 39, - 469, 34, 39, 44, 967, 876, 2855, 364, 39, 333, - 1063, 300, 70, 58, 117, 38, 711, 140, 38, 300, - 38, 108, 38, 172, 501, 807, 108, 53, 39, 359, - 876, 108, 42, 1735, 44, 42, 44, 39, 106, 268, - 138, 44, 74, 39, 236, 327, 76, 85, 333, 53, - 38, 199, 231, 44, 74, 263, 71, 711, 231, 39, - 135, 44, 39, 106, 140, 74, 74, 44, 39, 42, - 71, 103, 76, 333, 71, 87, 207, 58, 55, 76, - 42, 199, 71, 711, 231, 71, 71, 71, 44, 106, - 76, 76, 108, 44, 135, 39, 333, 76, 103, 44, - 76, 42, 295, 103, 711, 231, 71, 167, 44, 39, - 106, 172, 76, 42, 74, 44, 39, 71, 76, 333, - 53, 55, 44, 74, 263, 71, 711, 231, 71, 167, - 44, 39, 42, 44, 42, 140, 74, 74, 44, 44, - 42, 71, 103, 76, 333, 58, 39, 207, 44, 39, - 199, 103, 135, 71, 39, 71, 71, 103, 391, 74, - 44, 74, 106, 106, 44, 39, 42, 333, 111, 218, - 55, 58, 106, 263, 103, 743, 327, 167, 39, 108, - 138, 108, 140, 76, 71, 71, 76, 333, 239, 58, - 74, 263, 103, 743, 327, 167, 44, 39, 42, 44, - 170, 44, 74, 74, 76, 74, 39, 71, 76, 333, - 71, 74, 263, 103, 1319, 39, 106, 140, 106, 106, - 44, 39, 42, 71, 76, 333, 207, 58, 199, 74, - 583, 775, 295, 39, 231, 44, 106, 108, 44, 266, - 74, 53, 1543, 44, 71, 236, 55, 199, 38, 268, - 53, 333, 85, 71, 39, 71, 39, 39, 135, 231, - 103, 39, 39, 71, 135, 44, 71, 204, 76, 39, - 167, 38, 204, 333, 135, 39, 122, 501, 58, 53, - 122, 76, 218, 333, 335, 58, 44, 58, 44, 58, - 44, 54, 50, 54, 50, 74, 263, 1159, 460, 42, - 172, 53, 76, 167, 364, 1164, 282, 44, 218, 90, - 181, 154, 85, 1383, 74, 140, 42, 204, 42, 76, - 74, 76, 39, 333, 213, 199, 74, 76, 135, 108, - 39, 106, 71, 234, 103, 140, 423, 44, 74, 76, - 202, 44, 39, 42, 333, 106, 44, 90, 1225, 41, - 41, 1383, 53, 38, 10631, 135, 231, 39, 135, 1319, - 135, 1063, 135, 231, 39, 135, 487, 1831, 135, 2151, - 108, 309, 655, 519, 346, 2727, 49, 19847, 85, 551, - 61, 839, 54, 50, 2407, 117, 110, 423, 135, 108, - 583, 108, 85, 583, 76, 423, 103, 76, 1671, 76, - 42, 236, 266, 44, 74, 364, 117, 38, 117, 55, - 39, 44, 333, 335, 213, 49, 149, 108, 61, 333, - 1127, 38, 1671, 1319, 44, 39, 2247, 935, 108, 138, - 76, 106, 74, 44, 202, 108, 58, 85, 333, 967, - 167, 1415, 554, 231, 74, 333, 47, 1114, 743, 76, - 106, 85, 1703, 42, 44, 42, 236, 44, 42, 44, - 74, 268, 202, 332, 44, 333, 333, 245, 38, 213, - 140, 42, 1511, 44, 42, 172, 42, 44, 170, 44, - 74, 231, 333, 245, 346, 300, 314, 76, 42, 967, - 42, 140, 74, 76, 42, 44, 74, 71, 333, 1415, - 44, 42, 76, 106, 44, 42, 108, 74, 149, 1159, - 266, 268, 74, 76, 181, 333, 103, 333, 967, 198, - 85, 277, 108, 53, 428, 42, 236, 135, 44, 135, - 74, 44, 71, 1413, 2022, 421, 38, 1093, 1190, 1260, - 140, 4830, 261, 3166, 261, 265, 197, 201, 261, 265, - 261, 265, 197, 201, 261, 41, 41, 41, 94, 229, - 265, 453, 261, 264, 261, 264, 261, 264, 165, 69, - 137, 40, 56, 37, 120, 101, 69, 137, 40, 120, - 133, 69, 137, 120, 261, 169, 120, 101, 69, 137, - 40, 88, 381, 162, 209, 85, 52, 51, 54, 84, - 51, 54, 52, 277, 59, 60, 162, 61, 309, 52, - 51, 149, 80, 117, 57, 54, 50, 373, 57, 53, - 48, 341, 61, 162, 194, 47, 38, 207, 121, 54, - 50, 38, 335, 121, 54, 50, 422, 855, 428, 139, - 44, 107, 396, 90, 41, 154, 41, 90, 37, 105, - 69, 105, 37, 58, 41, 90, 57, 169, 218, 41, - 58, 41, 58, 41, 58, 137, 58, 37, 137, 37, - 135, 37, 90, 69, 73, 185, 94, 101, 58, 57, - 90, 37, 58, 527, 1134, 94, 142, 47, 185, 186, - 89, 154, 57, 90, 57, 90, 57, 250, 57, 1018, - 89, 90, 57, 58, 57, 1018, 8601, 282, 153, 666, - 89, 250, 54, 50, 2618, 57, 986, 825, 1306, 217, - 602, 1274, 378, 1935, 2522, 719, 5882, 57, 314, 57, - 1754, 281, 3578, 57, 4634, 3322, 54, 50, 54, 50, - 54, 50, 54, 50, 54, 50, 54, 50, 54, 50, - 975, 1434, 185, 54, 50, 1017, 54, 50, 54, 50, - 54, 50, 54, 50, 54, 50, 537, 8218, 4217, 54, - 50, 54, 50, 54, 50, 54, 50, 54, 50, 54, - 50, 54, 50, 54, 50, 54, 50, 54, 50, 54, - 50, 2041, 54, 50, 54, 50, 1049, 54, 50, 8281, - 1562, 697, 90, 217, 346, 1513, 1509, 126, 73, 69, - 254, 105, 37, 94, 37, 94, 165, 70, 105, 37, - 3166, 37, 218, 158, 108, 94, 149, 47, 85, 1221, - 37, 37, 1799, 38, 53, 44, 743, 231, 231, 231, - 231, 231, 231, 231, 231, 1036, 85, 52, 51, 52, - 51, 117, 52, 51, 53, 52, 51, 309, 49, 85, - 49, 53, 52, 51, 85, 52, 51, 54, 50, 54, - 50, 54, 50, 54, 50, 181, 38, 341, 81, 858, - 2874, 6874, 410, 61, 117, 58, 38, 39, 46, 54, - 50, 54, 50, 54, 50, 54, 50, 54, 50, 90, - 54, 50, 54, 50, 54, 50, 54, 50, 49, 54, - 82, 58, 302, 140, 74, 49, 166, 90, 110, 38, - 39, 53, 90, 2759, 76, 88, 70, 39, 49, 2887, - 53, 102, 39, 1319, 3015, 90, 143, 346, 871, 1178, - 519, 1018, 335, 986, 271, 58, 495, 1050, 335, 1274, - 495, 2042, 8218, 39, 39, 2074, 39, 39, 679, 38, - 36583, 1786, 1287, 198, 85, 8583, 38, 117, 519, 333, - 71, 1502, 39, 44, 107, 53, 332, 53, 38, 798, - 44, 2247, 334, 76, 213, 760, 294, 88, 478, 69, - 2014, 38, 261, 190, 350, 38, 88, 158, 158, 382, - 70, 37, 231, 44, 103, 44, 135, 44, 743, 74, - 76, 42, 154, 207, 90, 55, 58, 1671, 149, 74, - 1607, 522, 44, 85, 333, 588, 199, 117, 39, 333, - 903, 268, 85, 743, 364, 74, 53, 935, 108, 42, - 1511, 44, 74, 140, 74, 44, 138, 437, 38, 333, - 85, 1319, 204, 74, 76, 74, 76, 103, 44, 263, - 44, 42, 333, 149, 519, 38, 199, 122, 39, 42, - 1543, 44, 39, 108, 71, 76, 167, 76, 39, 44, - 39, 71, 38, 85, 359, 42, 76, 74, 85, 39, - 70, 42, 44, 199, 199, 199, 231, 231, 1127, 74, - 44, 74, 44, 74, 53, 42, 44, 333, 39, 39, - 743, 1575, 36, 68, 68, 36, 63, 63, 11719, 3399, - 229, 165, 39, 44, 327, 57, 423, 167, 39, 71, - 71, 3463, 536, 11623, 54, 50, 2055, 1735, 391, 55, - 58, 524, 245, 54, 50, 53, 236, 53, 81, 80, - 54, 50, 54, 50, 54, 50, 54, 50, 54, 50, - 54, 50, 54, 50, 54, 50, 85, 54, 50, 149, - 112, 117, 149, 49, 54, 50, 54, 50, 54, 50, - 117, 57, 49, 121, 53, 55, 85, 167, 4327, 34, - 117, 55, 117, 54, 50, 53, 57, 53, 49, 85, - 333, 85, 121, 85, 841, 54, 53, 50, 56, 48, - 56, 837, 54, 57, 50, 57, 54, 50, 53, 54, - 50, 85, 327, 38, 1447, 70, 999, 199, 199, 199, - 103, 87, 57, 56, 58, 87, 58, 153, 90, 98, - 90, 391, 839, 615, 71, 487, 455, 3943, 117, 1455, - 314, 1710, 143, 570, 47, 410, 1466, 44, 935, 1575, - 999, 143, 551, 46, 263, 46, 967, 53, 1159, 263, - 53, 174, 1289, 1285, 2503, 333, 199, 39, 1415, 71, - 39, 743, 53, 271, 711, 207, 53, 839, 53, 1799, - 71, 39, 108, 76, 140, 135, 103, 871, 108, 44, - 271, 309, 935, 79, 53, 1735, 245, 711, 271, 615, - 271, 2343, 1007, 42, 44, 42, 1703, 492, 245, 655, - 333, 76, 42, 1447, 106, 140, 74, 76, 85, 34, - 149, 807, 333, 108, 1159, 172, 42, 268, 333, 149, - 76, 42, 1543, 106, 300, 74, 135, 149, 333, 1383, - 44, 42, 44, 74, 204, 42, 44, 333, 28135, 3182, - 149, 34279, 18215, 2215, 39, 1482, 140, 422, 71, 7898, - 1274, 1946, 74, 108, 122, 202, 258, 268, 90, 236, - 986, 140, 1562, 2138, 108, 58, 2810, 591, 841, 837, - 841, 229, 581, 841, 837, 41, 73, 41, 73, 137, - 265, 133, 37, 229, 357, 841, 837, 73, 137, 265, - 233, 837, 73, 137, 169, 41, 233, 837, 841, 837, - 841, 837, 841, 837, 841, 837, 841, 837, 841, 901, - 809, 57, 805, 57, 197, 809, 57, 805, 57, 197, - 809, 57, 805, 57, 197, 809, 57, 805, 57, 197, - 809, 57, 805, 57, 197, 94, 1613, 135, 871, 71, - 39, 39, 327, 135, 39, 39, 39, 39, 39, 39, - 103, 71, 39, 39, 39, 39, 39, 39, 71, 39, - 135, 231, 135, 135, 39, 327, 551, 103, 167, 551, - 89, 1434, 3226, 506, 474, 506, 506, 367, 1018, 1946, - 1402, 954, 1402, 314, 90, 1082, 218, 2266, 666, 1210, - 186, 570, 2042, 58, 5850, 154, 2010, 154, 794, 2266, - 378, 2266, 3738, 39, 39, 39, 39, 39, 39, 17351, - 34, 3074, 7692, 63, 63, + 1025, 61, 117, 55, 117, 54, 50, 53, 57, 53, + 49, 85, 333, 85, 121, 85, 841, 54, 53, 50, + 56, 48, 56, 837, 54, 57, 50, 57, 1057, 61, + 53, 151, 58, 53, 56, 58, 39, 52, 57, 34, + 58, 56, 58, 57, 79, 56, 37, 85, 56, 47, + 39, 51, 111, 53, 745, 57, 233, 773, 57, 261, + 1822, 37, 542, 37, 1534, 222, 69, 73, 37, 126, + 126, 73, 69, 137, 37, 73, 37, 105, 101, 73, + 37, 73, 37, 190, 158, 37, 126, 126, 73, 37, + 126, 94, 37, 39, 94, 69, 135, 41, 40, 37, + 41, 40, 37, 41, 40, 37, 542, 37, 606, 37, + 41, 40, 37, 126, 73, 37, 1886, 197, 73, 37, + 73, 69, 126, 105, 37, 286, 2181, 39, 869, 582, + 152, 390, 472, 166, 248, 38, 56, 38, 568, 3596, + 158, 38, 56, 94, 38, 101, 53, 88, 41, 53, + 105, 41, 73, 37, 553, 297, 1125, 94, 37, 105, + 101, 798, 133, 94, 57, 126, 94, 37, 1641, 1541, + 1118, 58, 172, 75, 1790, 478, 37, 2846, 1225, 38, + 213, 1253, 53, 49, 55, 1452, 49, 44, 53, 76, + 53, 76, 53, 44, 871, 103, 85, 162, 121, 85, + 55, 85, 90, 364, 53, 85, 1031, 38, 327, 684, + 333, 149, 71, 44, 3175, 53, 39, 236, 34, 58, + 204, 70, 76, 58, 140, 71, 333, 103, 90, 39, + 469, 34, 39, 44, 967, 876, 2855, 364, 39, 333, + 1063, 300, 70, 58, 117, 38, 711, 140, 38, 300, + 38, 108, 38, 172, 501, 807, 108, 53, 39, 359, + 876, 108, 42, 1735, 44, 42, 44, 39, 106, 268, + 138, 44, 74, 39, 236, 327, 76, 85, 333, 53, + 38, 199, 231, 44, 74, 263, 71, 711, 231, 39, + 135, 44, 39, 106, 140, 74, 74, 44, 39, 42, + 71, 103, 76, 333, 71, 87, 207, 58, 55, 76, + 42, 199, 71, 711, 231, 71, 71, 71, 44, 106, + 76, 76, 108, 44, 135, 39, 333, 76, 103, 44, + 76, 42, 295, 103, 711, 231, 71, 167, 44, 39, + 106, 172, 76, 42, 74, 44, 39, 71, 76, 333, + 53, 55, 44, 74, 263, 71, 711, 231, 71, 167, + 44, 39, 42, 44, 42, 140, 74, 74, 44, 44, + 42, 71, 103, 76, 333, 58, 39, 207, 44, 39, + 199, 103, 135, 71, 39, 71, 71, 103, 391, 74, + 44, 74, 106, 106, 44, 39, 42, 333, 111, 218, + 55, 58, 106, 263, 103, 743, 327, 167, 39, 108, + 138, 108, 140, 76, 71, 71, 76, 333, 239, 58, + 74, 263, 103, 743, 327, 167, 44, 39, 42, 44, + 170, 44, 74, 74, 76, 74, 39, 71, 76, 333, + 71, 74, 263, 103, 1319, 39, 106, 140, 106, 106, + 44, 39, 42, 71, 76, 333, 207, 58, 199, 74, + 583, 775, 295, 39, 231, 44, 106, 108, 44, 266, + 74, 53, 1543, 44, 71, 236, 55, 199, 38, 268, + 53, 333, 85, 71, 39, 71, 39, 39, 135, 231, + 103, 39, 39, 71, 135, 44, 71, 204, 76, 39, + 167, 38, 204, 333, 135, 39, 122, 501, 58, 53, + 122, 76, 218, 333, 335, 58, 44, 58, 44, 58, + 44, 54, 50, 54, 50, 74, 263, 1159, 460, 42, + 172, 53, 76, 167, 364, 1164, 282, 44, 218, 90, + 181, 154, 85, 1383, 74, 140, 42, 204, 42, 76, + 74, 76, 39, 333, 213, 199, 74, 76, 135, 108, + 39, 106, 71, 234, 103, 140, 423, 44, 74, 76, + 202, 44, 39, 42, 333, 106, 44, 90, 1225, 41, + 41, 1383, 53, 38, 10631, 135, 231, 39, 135, 1319, + 135, 1063, 135, 231, 39, 135, 487, 1831, 135, 2151, + 108, 309, 655, 519, 346, 2727, 49, 19847, 85, 551, + 61, 839, 54, 50, 2407, 117, 110, 423, 135, 108, + 583, 108, 85, 583, 76, 423, 103, 76, 1671, 76, + 42, 236, 266, 44, 74, 364, 117, 38, 117, 55, + 39, 44, 333, 335, 213, 49, 149, 108, 61, 333, + 1127, 38, 1671, 1319, 44, 39, 2247, 935, 108, 138, + 76, 106, 74, 44, 202, 108, 58, 85, 333, 967, + 167, 1415, 554, 231, 74, 333, 47, 1114, 743, 76, + 106, 85, 1703, 42, 44, 42, 236, 44, 42, 44, + 74, 268, 202, 332, 44, 333, 333, 245, 38, 213, + 140, 42, 1511, 44, 42, 172, 42, 44, 170, 44, + 74, 231, 333, 245, 346, 300, 314, 76, 42, 967, + 42, 140, 74, 76, 42, 44, 74, 71, 333, 1415, + 44, 42, 76, 106, 44, 42, 108, 74, 149, 1159, + 266, 268, 74, 76, 181, 333, 103, 333, 967, 198, + 85, 277, 108, 53, 428, 42, 236, 135, 44, 135, + 74, 44, 71, 1413, 2022, 421, 38, 1093, 1190, 1260, + 140, 4830, 261, 3166, 261, 265, 197, 201, 261, 265, + 261, 265, 197, 201, 261, 41, 41, 41, 94, 229, + 265, 453, 261, 264, 261, 264, 261, 264, 165, 69, + 137, 40, 56, 37, 120, 101, 69, 137, 40, 120, + 133, 69, 137, 120, 261, 169, 120, 101, 69, 137, + 40, 88, 381, 162, 209, 85, 52, 51, 54, 84, + 51, 54, 52, 277, 59, 60, 162, 61, 309, 52, + 51, 149, 80, 117, 57, 54, 50, 373, 57, 53, + 48, 341, 61, 162, 194, 47, 38, 207, 121, 54, + 50, 38, 335, 121, 54, 50, 422, 855, 428, 139, + 44, 107, 396, 90, 41, 154, 41, 90, 37, 105, + 69, 105, 37, 58, 41, 90, 57, 169, 218, 41, + 58, 41, 58, 41, 58, 137, 58, 37, 137, 37, + 135, 37, 90, 69, 73, 185, 94, 101, 58, 57, + 90, 37, 58, 527, 1134, 94, 142, 47, 185, 186, + 89, 154, 57, 90, 57, 90, 57, 250, 57, 1018, + 89, 90, 57, 58, 57, 1018, 8601, 282, 153, 666, + 89, 250, 54, 50, 2618, 57, 986, 825, 1306, 217, + 602, 1274, 378, 1935, 2522, 719, 5882, 57, 314, 57, + 1754, 281, 3578, 57, 4634, 3322, 54, 50, 54, 50, + 54, 50, 54, 50, 54, 50, 54, 50, 54, 50, + 975, 1434, 185, 54, 50, 1017, 54, 50, 54, 50, + 54, 50, 54, 50, 54, 50, 537, 8218, 4217, 54, + 50, 54, 50, 54, 50, 54, 50, 54, 50, 54, + 50, 54, 50, 54, 50, 54, 50, 54, 50, 54, + 50, 2041, 54, 50, 54, 50, 1049, 54, 50, 8281, + 1562, 697, 90, 217, 346, 1513, 1509, 126, 73, 69, + 254, 105, 37, 94, 37, 94, 165, 70, 105, 37, + 3166, 37, 218, 158, 108, 94, 149, 47, 85, 1221, + 37, 37, 1799, 38, 53, 44, 743, 231, 231, 231, + 231, 231, 231, 231, 231, 1036, 85, 52, 51, 52, + 51, 117, 52, 51, 53, 52, 51, 309, 49, 85, + 49, 53, 52, 51, 85, 52, 51, 54, 50, 54, + 50, 54, 50, 54, 50, 181, 38, 341, 81, 858, + 2874, 6874, 410, 61, 117, 58, 38, 39, 46, 54, + 50, 54, 50, 54, 50, 54, 50, 54, 50, 90, + 54, 50, 54, 50, 54, 50, 54, 50, 49, 54, + 82, 58, 302, 140, 74, 49, 166, 90, 110, 38, + 39, 53, 90, 2759, 76, 88, 70, 39, 49, 2887, + 53, 102, 39, 1319, 3015, 90, 143, 346, 871, 1178, + 519, 1018, 335, 986, 271, 58, 495, 1050, 335, 1274, + 495, 2042, 8218, 39, 39, 2074, 39, 39, 679, 38, + 36583, 1786, 1287, 198, 85, 8583, 38, 117, 519, 333, + 71, 1502, 39, 44, 107, 53, 332, 53, 38, 798, + 44, 2247, 334, 76, 213, 760, 294, 88, 478, 69, + 2014, 38, 261, 190, 350, 38, 88, 158, 158, 382, + 70, 37, 231, 44, 103, 44, 135, 44, 743, 74, + 76, 42, 154, 207, 90, 55, 58, 1671, 149, 74, + 1607, 522, 44, 85, 333, 588, 199, 117, 39, 333, + 903, 268, 85, 743, 364, 74, 53, 935, 108, 42, + 1511, 44, 74, 140, 74, 44, 138, 437, 38, 333, + 85, 1319, 204, 74, 76, 74, 76, 103, 44, 263, + 44, 42, 333, 149, 519, 38, 199, 122, 39, 42, + 1543, 44, 39, 108, 71, 76, 167, 76, 39, 44, + 39, 71, 38, 85, 359, 42, 76, 74, 85, 39, + 70, 42, 44, 199, 199, 199, 231, 231, 1127, 74, + 44, 74, 44, 74, 53, 42, 44, 333, 39, 39, + 743, 1575, 36, 68, 68, 36, 63, 63, 11719, 3399, + 229, 165, 39, 44, 327, 57, 423, 167, 39, 71, + 71, 3463, 536, 11623, 54, 50, 2055, 1735, 391, 55, + 58, 524, 245, 54, 50, 53, 236, 53, 81, 80, + 54, 50, 54, 50, 54, 50, 54, 50, 54, 50, + 54, 50, 54, 50, 54, 50, 85, 54, 50, 149, + 112, 117, 149, 49, 54, 50, 54, 50, 54, 50, + 117, 57, 49, 121, 53, 55, 85, 167, 4327, 34, + 117, 55, 117, 54, 50, 53, 57, 53, 49, 85, + 333, 85, 121, 85, 841, 54, 53, 50, 56, 48, + 56, 837, 54, 57, 50, 57, 54, 50, 53, 54, + 50, 85, 327, 38, 1447, 70, 999, 199, 199, 199, + 103, 87, 57, 56, 58, 87, 58, 153, 90, 98, + 90, 391, 839, 615, 71, 487, 455, 3943, 117, 1455, + 314, 1710, 143, 570, 47, 410, 1466, 44, 935, 1575, + 999, 143, 551, 46, 263, 46, 967, 53, 1159, 263, + 53, 174, 1289, 1285, 2503, 333, 199, 39, 1415, 71, + 39, 743, 53, 271, 711, 207, 53, 839, 53, 1799, + 71, 39, 108, 76, 140, 135, 103, 871, 108, 44, + 271, 309, 935, 79, 53, 1735, 245, 711, 271, 615, + 271, 2343, 1007, 42, 44, 42, 1703, 492, 245, 655, + 333, 76, 42, 1447, 106, 140, 74, 76, 85, 34, + 149, 807, 333, 108, 1159, 172, 42, 268, 333, 149, + 76, 42, 1543, 106, 300, 74, 135, 149, 333, 1383, + 44, 42, 44, 74, 204, 42, 44, 333, 28135, 3182, + 149, 34279, 18215, 2215, 39, 1482, 140, 422, 71, 7898, + 1274, 1946, 74, 108, 122, 202, 258, 268, 90, 236, + 986, 140, 1562, 2138, 108, 58, 2810, 591, 841, 837, + 841, 229, 581, 841, 837, 41, 73, 41, 73, 137, + 265, 133, 37, 229, 357, 841, 837, 73, 137, 265, + 233, 837, 73, 137, 169, 41, 233, 837, 841, 837, + 841, 837, 841, 837, 841, 837, 841, 837, 841, 901, + 809, 57, 805, 57, 197, 809, 57, 805, 57, 197, + 809, 57, 805, 57, 197, 809, 57, 805, 57, 197, + 809, 57, 805, 57, 197, 94, 1613, 135, 871, 71, + 39, 39, 327, 135, 39, 39, 39, 39, 39, 39, + 103, 71, 39, 39, 39, 39, 39, 39, 71, 39, + 135, 231, 135, 135, 39, 327, 551, 103, 167, 551, + 89, 1434, 3226, 506, 474, 506, 506, 367, 1018, 1946, + 1402, 954, 1402, 314, 90, 1082, 218, 2266, 666, 1210, + 186, 570, 2042, 58, 5850, 154, 2010, 154, 794, 2266, + 378, 2266, 3738, 39, 39, 39, 39, 39, 39, 17351, + 34, 3074, 7692, 63, 63, }; -static int sqlite3Fts5UnicodeCategory(u32 iCode) { +static int sqlite3Fts5UnicodeCategory(u32 iCode) { int iRes = -1; int iHi; int iLo; @@ -223932,7 +229377,7 @@ static int FTS5_NOINLINE fts5PutVarint64(unsigned char *p, u64 v){ v >>= 7; } return 9; - } + } n = 0; do{ buf[n++] = (u8)((v & 0x7f) | 0x80); @@ -223984,7 +229429,7 @@ static int sqlite3Fts5GetVarintLen(u32 iVal){ ****************************************************************************** ** ** This is an SQLite virtual table module implementing direct access to an -** existing FTS5 index. The module may create several different types of +** existing FTS5 index. The module may create several different types of ** tables: ** ** col: @@ -223992,21 +229437,21 @@ static int sqlite3Fts5GetVarintLen(u32 iVal){ ** ** One row for each term/column combination. The value of $doc is set to ** the number of fts5 rows that contain at least one instance of term -** $term within column $col. Field $cnt is set to the total number of -** instances of term $term in column $col (in any row of the fts5 table). +** $term within column $col. Field $cnt is set to the total number of +** instances of term $term in column $col (in any row of the fts5 table). ** ** row: ** CREATE TABLE vocab(term, doc, cnt, PRIMARY KEY(term)); ** ** One row for each term in the database. The value of $doc is set to ** the number of fts5 rows that contain at least one instance of term -** $term. Field $cnt is set to the total number of instances of term +** $term. Field $cnt is set to the total number of instances of term ** $term in the database. ** ** instance: ** CREATE TABLE vocab(term, doc, col, offset, PRIMARY KEY(<all-fields>)); ** -** One row for each term instance in the database. +** One row for each term instance in the database. */ @@ -224023,6 +229468,7 @@ struct Fts5VocabTable { sqlite3 *db; /* Database handle */ Fts5Global *pGlobal; /* FTS5 global object for this database */ int eType; /* FTS5_VOCAB_COL, ROW or INSTANCE */ + unsigned bBusy; /* True if busy */ }; struct Fts5VocabCursor { @@ -224067,7 +229513,7 @@ struct Fts5VocabCursor { /* -** Translate a string containing an fts5vocab table type to an +** Translate a string containing an fts5vocab table type to an ** FTS5_VOCAB_XXX constant. If successful, set *peType to the output ** value and return SQLITE_OK. Otherwise, set *pzErr to an error message ** and return SQLITE_ERROR. @@ -224145,8 +229591,8 @@ static int fts5VocabInitVtab( sqlite3_vtab **ppVTab, /* Write the resulting vtab structure here */ char **pzErr /* Write any error message here */ ){ - const char *azSchema[] = { - "CREATE TABlE vocab(" FTS5_VOCAB_COL_SCHEMA ")", + const char *azSchema[] = { + "CREATE TABlE vocab(" FTS5_VOCAB_COL_SCHEMA ")", "CREATE TABlE vocab(" FTS5_VOCAB_ROW_SCHEMA ")", "CREATE TABlE vocab(" FTS5_VOCAB_INST_SCHEMA ")" }; @@ -224165,10 +229611,10 @@ static int fts5VocabInitVtab( const char *zDb = bDb ? argv[3] : argv[1]; const char *zTab = bDb ? argv[4] : argv[3]; const char *zType = bDb ? argv[5] : argv[4]; - int nDb = (int)strlen(zDb)+1; + int nDb = (int)strlen(zDb)+1; int nTab = (int)strlen(zTab)+1; int eType = 0; - + rc = fts5VocabTableType(zType, pzErr, &eType); if( rc==SQLITE_OK ){ assert( eType>=0 && eType<ArraySize(azSchema) ); @@ -224220,7 +229666,7 @@ static int fts5VocabCreateMethod( return fts5VocabInitVtab(db, pAux, argc, argv, ppVtab, pzErr); } -/* +/* ** Implementation of the xBestIndex method. ** ** Only constraints of the form: @@ -224229,7 +229675,7 @@ static int fts5VocabCreateMethod( ** term == ? ** term >= ? ** -** are interpreted. Less-than and less-than-or-equal are treated +** are interpreted. Less-than and less-than-or-equal are treated ** identically, as are greater-than and greater-than-or-equal. */ static int fts5VocabBestIndexMethod( @@ -224280,8 +229726,8 @@ static int fts5VocabBestIndexMethod( ** specifically - "ORDER BY term" or "ORDER BY term ASC" - set the ** sqlite3_index_info.orderByConsumed flag to tell the core the results ** are already in sorted order. */ - if( pInfo->nOrderBy==1 - && pInfo->aOrderBy[0].iColumn==0 + if( pInfo->nOrderBy==1 + && pInfo->aOrderBy[0].iColumn==0 && pInfo->aOrderBy[0].desc==0 ){ pInfo->orderByConsumed = 1; @@ -224295,7 +229741,7 @@ static int fts5VocabBestIndexMethod( ** Implementation of xOpen method. */ static int fts5VocabOpenMethod( - sqlite3_vtab *pVTab, + sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCsr ){ Fts5VocabTable *pTab = (Fts5VocabTable*)pVTab; @@ -224305,6 +229751,12 @@ static int fts5VocabOpenMethod( sqlite3_stmt *pStmt = 0; char *zSql = 0; + if( pTab->bBusy ){ + pVTab->zErrMsg = sqlite3_mprintf( + "recursive definition for %s.%s", pTab->zFts5Db, pTab->zFts5Tbl + ); + return SQLITE_ERROR; + } zSql = sqlite3Fts5Mprintf(&rc, "SELECT t.%Q FROM %Q.%Q AS t WHERE t.%Q MATCH '*id'", pTab->zFts5Tbl, pTab->zFts5Db, pTab->zFts5Tbl, pTab->zFts5Tbl @@ -224316,10 +229768,12 @@ static int fts5VocabOpenMethod( assert( rc==SQLITE_OK || pStmt==0 ); if( rc==SQLITE_ERROR ) rc = SQLITE_OK; + pTab->bBusy = 1; if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){ i64 iId = sqlite3_column_int64(pStmt, 0); pFts5 = sqlite3Fts5TableFromCsrid(pTab->pGlobal, iId); } + pTab->bBusy = 0; if( rc==SQLITE_OK ){ if( pFts5==0 ){ @@ -224379,7 +229833,7 @@ static int fts5VocabCloseMethod(sqlite3_vtab_cursor *pCursor){ static int fts5VocabInstanceNewTerm(Fts5VocabCursor *pCsr){ int rc = SQLITE_OK; - + if( sqlite3Fts5IterEof(pCsr->pIter) ){ pCsr->bEof = 1; }else{ @@ -224405,11 +229859,11 @@ static int fts5VocabInstanceNext(Fts5VocabCursor *pCsr){ Fts5IndexIter *pIter = pCsr->pIter; i64 *pp = &pCsr->iInstPos; int *po = &pCsr->iInstOff; - + assert( sqlite3Fts5IterEof(pIter)==0 ); assert( pCsr->bEof==0 ); while( eDetail==FTS5_DETAIL_NONE - || sqlite3Fts5PoslistNext64(pIter->pData, pIter->nData, po, pp) + || sqlite3Fts5PoslistNext64(pIter->pData, pIter->nData, po, pp) ){ pCsr->iInstPos = 0; pCsr->iInstOff = 0; @@ -224534,8 +229988,8 @@ static int fts5VocabNextMethod(sqlite3_vtab_cursor *pCursor){ if( rc==SQLITE_OK ){ zTerm = sqlite3Fts5IterTerm(pCsr->pIter, &nTerm); - if( nTerm!=pCsr->term.n - || (nTerm>0 && memcmp(zTerm, pCsr->term.p, nTerm)) + if( nTerm!=pCsr->term.n + || (nTerm>0 && memcmp(zTerm, pCsr->term.p, nTerm)) ){ break; } @@ -224614,8 +230068,8 @@ static int fts5VocabFilterMethod( if( rc==SQLITE_OK && eType==FTS5_VOCAB_INSTANCE ){ rc = fts5VocabInstanceNewTerm(pCsr); } - if( rc==SQLITE_OK && !pCsr->bEof - && (eType!=FTS5_VOCAB_INSTANCE + if( rc==SQLITE_OK && !pCsr->bEof + && (eType!=FTS5_VOCAB_INSTANCE || pCsr->pFts5->pConfig->eDetail!=FTS5_DETAIL_NONE) ){ rc = fts5VocabNextMethod(pCursor); @@ -224624,8 +230078,8 @@ static int fts5VocabFilterMethod( return rc; } -/* -** This is the xEof method of the virtual table. SQLite calls this +/* +** This is the xEof method of the virtual table. SQLite calls this ** routine to find out if it has reached the end of a result set. */ static int fts5VocabEofMethod(sqlite3_vtab_cursor *pCursor){ @@ -224700,13 +230154,13 @@ static int fts5VocabColumnMethod( return SQLITE_OK; } -/* +/* ** This is the xRowid method. The SQLite core calls this routine to ** retrieve the rowid for the current row of the result set. The ** rowid should be written to *pRowid. */ static int fts5VocabRowidMethod( - sqlite3_vtab_cursor *pCursor, + sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid ){ Fts5VocabCursor *pCsr = (Fts5VocabCursor*)pCursor; @@ -224747,7 +230201,7 @@ static int sqlite3Fts5VocabInit(Fts5Global *pGlobal, sqlite3 *db){ } - + #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) */ /************** End of fts5.c ************************************************/ @@ -224922,8 +230376,9 @@ static int stmtColumn( sqlite3_result_int(ctx, sqlite3_stmt_busy(pCur->pStmt)); break; } - case STMT_COLUMN_MEM: { - i = SQLITE_STMTSTATUS_MEMUSED + + default: { + assert( i==STMT_COLUMN_MEM ); + i = SQLITE_STMTSTATUS_MEMUSED + STMT_COLUMN_NSCAN - SQLITE_STMTSTATUS_FULLSCAN_STEP; /* Fall thru */ } @@ -224963,11 +230418,11 @@ static int stmtEof(sqlite3_vtab_cursor *cur){ /* ** This method is called to "rewind" the stmt_cursor object back ** to the first row of output. This method is always called at least -** once prior to any call to stmtColumn() or stmtRowid() or +** once prior to any call to stmtColumn() or stmtRowid() or ** stmtEof(). */ static int stmtFilter( - sqlite3_vtab_cursor *pVtabCursor, + sqlite3_vtab_cursor *pVtabCursor, int idxNum, const char *idxStr, int argc, sqlite3_value **argv ){ @@ -224993,7 +230448,7 @@ static int stmtBestIndex( } /* -** This following structure defines all the methods for the +** This following structure defines all the methods for the ** stmt virtual table. */ static sqlite3_module stmtModule = { @@ -225038,8 +230493,8 @@ SQLITE_PRIVATE int sqlite3StmtVtabInit(sqlite3 *db){ __declspec(dllexport) #endif SQLITE_API int sqlite3_stmt_init( - sqlite3 *db, - char **pzErrMsg, + sqlite3 *db, + char **pzErrMsg, const sqlite3_api_routines *pApi ){ int rc = SQLITE_OK; @@ -225053,9 +230508,9 @@ SQLITE_API int sqlite3_stmt_init( #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */ /************** End of stmt.c ************************************************/ -#if __LINE__!=225056 +#if __LINE__!=230511 #undef SQLITE_SOURCE_ID -#define SQLITE_SOURCE_ID "2019-10-10 20:19:45 18db032d058f1436ce3dea84081f4ee5a0f2259ad97301d43c426bc7f3dfalt2" +#define SQLITE_SOURCE_ID "2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0alt2" #endif /* Return the source-id for this library */ SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; } diff --git a/db/sqlite3/src/sqlite3.h b/db/sqlite3/src/sqlite3.h index 37bfac5289..910b687aa7 100644 --- a/db/sqlite3/src/sqlite3.h +++ b/db/sqlite3/src/sqlite3.h @@ -108,7 +108,7 @@ extern "C" { ** be held constant and Z will be incremented or else Y will be incremented ** and Z will be reset to zero. ** -** Since [version 3.6.18] ([dateof:3.6.18]), +** Since [version 3.6.18] ([dateof:3.6.18]), ** SQLite source code has been stored in the ** <a href="http://www.fossil-scm.org/">Fossil configuration management ** system</a>. ^The SQLITE_SOURCE_ID macro evaluates to @@ -123,9 +123,9 @@ extern "C" { ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ -#define SQLITE_VERSION "3.30.1" -#define SQLITE_VERSION_NUMBER 3030001 -#define SQLITE_SOURCE_ID "2019-10-10 20:19:45 18db032d058f1436ce3dea84081f4ee5a0f2259ad97301d43c426bc7f3df1b0b" +#define SQLITE_VERSION "3.33.0" +#define SQLITE_VERSION_NUMBER 3033000 +#define SQLITE_SOURCE_ID "2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0ff3f" /* ** CAPI3REF: Run-Time Library Version Numbers @@ -151,8 +151,8 @@ extern "C" { ** function is provided for use in DLLs since DLL users usually do not have ** direct access to string constants within the DLL. ^The ** sqlite3_libversion_number() function returns an integer equal to -** [SQLITE_VERSION_NUMBER]. ^(The sqlite3_sourceid() function returns -** a pointer to a string constant whose value is the same as the +** [SQLITE_VERSION_NUMBER]. ^(The sqlite3_sourceid() function returns +** a pointer to a string constant whose value is the same as the ** [SQLITE_SOURCE_ID] C preprocessor macro. Except if SQLite is built ** using an edited copy of [the amalgamation], then the last four characters ** of the hash might be different from [SQLITE_SOURCE_ID].)^ @@ -167,20 +167,20 @@ SQLITE_API int sqlite3_libversion_number(void); /* ** CAPI3REF: Run-Time Library Compilation Options Diagnostics ** -** ^The sqlite3_compileoption_used() function returns 0 or 1 -** indicating whether the specified option was defined at -** compile time. ^The SQLITE_ prefix may be omitted from the -** option name passed to sqlite3_compileoption_used(). +** ^The sqlite3_compileoption_used() function returns 0 or 1 +** indicating whether the specified option was defined at +** compile time. ^The SQLITE_ prefix may be omitted from the +** option name passed to sqlite3_compileoption_used(). ** ** ^The sqlite3_compileoption_get() function allows iterating ** over the list of options that were defined at compile time by ** returning the N-th compile time option string. ^If N is out of range, -** sqlite3_compileoption_get() returns a NULL pointer. ^The SQLITE_ -** prefix is omitted from any strings returned by +** sqlite3_compileoption_get() returns a NULL pointer. ^The SQLITE_ +** prefix is omitted from any strings returned by ** sqlite3_compileoption_get(). ** ** ^Support for the diagnostic functions sqlite3_compileoption_used() -** and sqlite3_compileoption_get() may be omitted by specifying the +** and sqlite3_compileoption_get() may be omitted by specifying the ** [SQLITE_OMIT_COMPILEOPTION_DIAGS] option at compile time. ** ** See also: SQL functions [sqlite_compileoption_used()] and @@ -204,7 +204,7 @@ SQLITE_API const char *sqlite3_compileoption_get(int N); ** SQLite can be compiled with or without mutexes. When ** the [SQLITE_THREADSAFE] C preprocessor macro is 1 or 2, mutexes ** are enabled and SQLite is threadsafe. When the -** [SQLITE_THREADSAFE] macro is 0, +** [SQLITE_THREADSAFE] macro is 0, ** the mutexes are omitted. Without the mutexes, it is not safe ** to use SQLite concurrently from more than one thread. ** @@ -261,14 +261,14 @@ typedef struct sqlite3 sqlite3; ** ** ^The sqlite3_int64 and sqlite_int64 types can store integer values ** between -9223372036854775808 and +9223372036854775807 inclusive. ^The -** sqlite3_uint64 and sqlite_uint64 types can store integer values +** sqlite3_uint64 and sqlite_uint64 types can store integer values ** between 0 and +18446744073709551615 inclusive. */ #ifdef SQLITE_INT64_TYPE typedef SQLITE_INT64_TYPE sqlite_int64; # ifdef SQLITE_UINT64_TYPE typedef SQLITE_UINT64_TYPE sqlite_uint64; -# else +# else typedef unsigned SQLITE_INT64_TYPE sqlite_uint64; # endif #elif defined(_MSC_VER) || defined(__BORLANDC__) @@ -299,26 +299,22 @@ typedef sqlite_uint64 sqlite3_uint64; ** the [sqlite3] object is successfully destroyed and all associated ** resources are deallocated. ** -** ^If the database connection is associated with unfinalized prepared -** statements or unfinished sqlite3_backup objects then sqlite3_close() -** will leave the database connection open and return [SQLITE_BUSY]. -** ^If sqlite3_close_v2() is called with unfinalized prepared statements -** and/or unfinished sqlite3_backups, then the database connection becomes -** an unusable "zombie" which will automatically be deallocated when the -** last prepared statement is finalized or the last sqlite3_backup is -** finished. The sqlite3_close_v2() interface is intended for use with -** host languages that are garbage collected, and where the order in which -** destructors are called is arbitrary. -** -** Applications should [sqlite3_finalize | finalize] all [prepared statements], -** [sqlite3_blob_close | close] all [BLOB handles], and +** Ideally, applications should [sqlite3_finalize | finalize] all +** [prepared statements], [sqlite3_blob_close | close] all [BLOB handles], and ** [sqlite3_backup_finish | finish] all [sqlite3_backup] objects associated -** with the [sqlite3] object prior to attempting to close the object. ^If -** sqlite3_close_v2() is called on a [database connection] that still has -** outstanding [prepared statements], [BLOB handles], and/or -** [sqlite3_backup] objects then it returns [SQLITE_OK] and the deallocation -** of resources is deferred until all [prepared statements], [BLOB handles], -** and [sqlite3_backup] objects are also destroyed. +** with the [sqlite3] object prior to attempting to close the object. +** ^If the database connection is associated with unfinalized prepared +** statements, BLOB handlers, and/or unfinished sqlite3_backup objects then +** sqlite3_close() will leave the database connection open and return +** [SQLITE_BUSY]. ^If sqlite3_close_v2() is called with unfinalized prepared +** statements, unclosed BLOB handlers, and/or unfinished sqlite3_backups, +** it returns [SQLITE_OK] regardless, but instead of deallocating the database +** connection immediately, it marks the database connection as an unusable +** "zombie" and makes arrangements to automatically deallocate the database +** connection after all prepared statements are finalized, all BLOB handles +** are closed, and all backups have finished. The sqlite3_close_v2() interface +** is intended for use with host languages that are garbage collected, and +** where the order in which destructors are called is arbitrary. ** ** ^If an [sqlite3] object is destroyed while a transaction is open, ** the transaction is automatically rolled back. @@ -348,7 +344,7 @@ typedef int (*sqlite3_callback)(void*,int,char**, char**); ** The sqlite3_exec() interface is a convenience wrapper around ** [sqlite3_prepare_v2()], [sqlite3_step()], and [sqlite3_finalize()], ** that allows an application to run multiple statements of SQL -** without having to use a lot of C code. +** without having to use a lot of C code. ** ** ^The sqlite3_exec() interface runs zero or more UTF-8 encoded, ** semicolon-separate SQL statements passed into its 2nd argument, @@ -388,7 +384,7 @@ typedef int (*sqlite3_callback)(void*,int,char**, char**); ** from [sqlite3_column_name()]. ** ** ^If the 2nd parameter to sqlite3_exec() is a NULL pointer, a pointer -** to an empty string, or a pointer that contains only whitespace and/or +** to an empty string, or a pointer that contains only whitespace and/or ** SQL comments, then no SQL statements are evaluated and the database ** is not changed. ** @@ -507,17 +503,21 @@ SQLITE_API int sqlite3_exec( #define SQLITE_IOERR_BEGIN_ATOMIC (SQLITE_IOERR | (29<<8)) #define SQLITE_IOERR_COMMIT_ATOMIC (SQLITE_IOERR | (30<<8)) #define SQLITE_IOERR_ROLLBACK_ATOMIC (SQLITE_IOERR | (31<<8)) +#define SQLITE_IOERR_DATA (SQLITE_IOERR | (32<<8)) #define SQLITE_LOCKED_SHAREDCACHE (SQLITE_LOCKED | (1<<8)) #define SQLITE_LOCKED_VTAB (SQLITE_LOCKED | (2<<8)) #define SQLITE_BUSY_RECOVERY (SQLITE_BUSY | (1<<8)) #define SQLITE_BUSY_SNAPSHOT (SQLITE_BUSY | (2<<8)) +#define SQLITE_BUSY_TIMEOUT (SQLITE_BUSY | (3<<8)) #define SQLITE_CANTOPEN_NOTEMPDIR (SQLITE_CANTOPEN | (1<<8)) #define SQLITE_CANTOPEN_ISDIR (SQLITE_CANTOPEN | (2<<8)) #define SQLITE_CANTOPEN_FULLPATH (SQLITE_CANTOPEN | (3<<8)) #define SQLITE_CANTOPEN_CONVPATH (SQLITE_CANTOPEN | (4<<8)) #define SQLITE_CANTOPEN_DIRTYWAL (SQLITE_CANTOPEN | (5<<8)) /* Not Used */ +#define SQLITE_CANTOPEN_SYMLINK (SQLITE_CANTOPEN | (6<<8)) #define SQLITE_CORRUPT_VTAB (SQLITE_CORRUPT | (1<<8)) #define SQLITE_CORRUPT_SEQUENCE (SQLITE_CORRUPT | (2<<8)) +#define SQLITE_CORRUPT_INDEX (SQLITE_CORRUPT | (3<<8)) #define SQLITE_READONLY_RECOVERY (SQLITE_READONLY | (1<<8)) #define SQLITE_READONLY_CANTLOCK (SQLITE_READONLY | (2<<8)) #define SQLITE_READONLY_ROLLBACK (SQLITE_READONLY | (3<<8)) @@ -535,11 +535,13 @@ SQLITE_API int sqlite3_exec( #define SQLITE_CONSTRAINT_UNIQUE (SQLITE_CONSTRAINT | (8<<8)) #define SQLITE_CONSTRAINT_VTAB (SQLITE_CONSTRAINT | (9<<8)) #define SQLITE_CONSTRAINT_ROWID (SQLITE_CONSTRAINT |(10<<8)) +#define SQLITE_CONSTRAINT_PINNED (SQLITE_CONSTRAINT |(11<<8)) #define SQLITE_NOTICE_RECOVER_WAL (SQLITE_NOTICE | (1<<8)) #define SQLITE_NOTICE_RECOVER_ROLLBACK (SQLITE_NOTICE | (2<<8)) #define SQLITE_WARNING_AUTOINDEX (SQLITE_WARNING | (1<<8)) #define SQLITE_AUTH_USER (SQLITE_AUTH | (1<<8)) #define SQLITE_OK_LOAD_PERMANENTLY (SQLITE_OK | (1<<8)) +#define SQLITE_OK_SYMLINK (SQLITE_OK | (2<<8)) /* ** CAPI3REF: Flags For File Open Operations @@ -562,14 +564,18 @@ SQLITE_API int sqlite3_exec( #define SQLITE_OPEN_MAIN_JOURNAL 0x00000800 /* VFS only */ #define SQLITE_OPEN_TEMP_JOURNAL 0x00001000 /* VFS only */ #define SQLITE_OPEN_SUBJOURNAL 0x00002000 /* VFS only */ -#define SQLITE_OPEN_MASTER_JOURNAL 0x00004000 /* VFS only */ +#define SQLITE_OPEN_SUPER_JOURNAL 0x00004000 /* VFS only */ #define SQLITE_OPEN_NOMUTEX 0x00008000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_FULLMUTEX 0x00010000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_SHAREDCACHE 0x00020000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_PRIVATECACHE 0x00040000 /* Ok for sqlite3_open_v2() */ #define SQLITE_OPEN_WAL 0x00080000 /* VFS only */ +#define SQLITE_OPEN_NOFOLLOW 0x01000000 /* Ok for sqlite3_open_v2() */ /* Reserved: 0x00F00000 */ +/* Legacy compatibility: */ +#define SQLITE_OPEN_MASTER_JOURNAL 0x00004000 /* VFS only */ + /* ** CAPI3REF: Device Characteristics @@ -666,7 +672,7 @@ SQLITE_API int sqlite3_exec( /* ** CAPI3REF: OS Interface Open File Handle ** -** An [sqlite3_file] object represents an open file in the +** An [sqlite3_file] object represents an open file in the ** [sqlite3_vfs | OS interface layer]. Individual OS interface ** implementations will ** want to subclass this object by appending additional fields @@ -688,7 +694,7 @@ struct sqlite3_file { ** This object defines the methods used to perform various operations ** against the open file represented by the [sqlite3_file] object. ** -** If the [sqlite3_vfs.xOpen] method sets the sqlite3_file.pMethods element +** If the [sqlite3_vfs.xOpen] method sets the sqlite3_file.pMethods element ** to a non-NULL pointer, then the sqlite3_io_methods.xClose method ** may be invoked even if the [sqlite3_vfs.xOpen] reported that it failed. The ** only way to prevent a call to xClose following a failed [sqlite3_vfs.xOpen] @@ -838,7 +844,7 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_CHUNK_SIZE]] ** The [SQLITE_FCNTL_CHUNK_SIZE] opcode is used to request that the VFS ** extends and truncates the database file in chunks of a size specified -** by the user. The fourth argument to [sqlite3_file_control()] should +** by the user. The fourth argument to [sqlite3_file_control()] should ** point to an integer (type int) containing the new chunk-size to use ** for the nominated database. Allocating database file space in large ** chunks (say 1MB at a time), may reduce file-system fragmentation and @@ -861,24 +867,24 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_SYNC]] ** The [SQLITE_FCNTL_SYNC] opcode is generated internally by SQLite and ** sent to the VFS immediately before the xSync method is invoked on a -** database file descriptor. Or, if the xSync method is not invoked -** because the user has configured SQLite with -** [PRAGMA synchronous | PRAGMA synchronous=OFF] it is invoked in place +** database file descriptor. Or, if the xSync method is not invoked +** because the user has configured SQLite with +** [PRAGMA synchronous | PRAGMA synchronous=OFF] it is invoked in place ** of the xSync method. In most cases, the pointer argument passed with ** this file-control is NULL. However, if the database file is being synced ** as part of a multi-database commit, the argument points to a nul-terminated -** string containing the transactions master-journal file name. VFSes that -** do not need this signal should silently ignore this opcode. Applications -** should not call [sqlite3_file_control()] with this opcode as doing so may -** disrupt the operation of the specialized VFSes that do require it. +** string containing the transactions super-journal file name. VFSes that +** do not need this signal should silently ignore this opcode. Applications +** should not call [sqlite3_file_control()] with this opcode as doing so may +** disrupt the operation of the specialized VFSes that do require it. ** ** <li>[[SQLITE_FCNTL_COMMIT_PHASETWO]] ** The [SQLITE_FCNTL_COMMIT_PHASETWO] opcode is generated internally by SQLite ** and sent to the VFS after a transaction has been committed immediately ** but before the database is unlocked. VFSes that do not need this signal ** should silently ignore this opcode. Applications should not call -** [sqlite3_file_control()] with this opcode as doing so may disrupt the -** operation of the specialized VFSes that do require it. +** [sqlite3_file_control()] with this opcode as doing so may disrupt the +** operation of the specialized VFSes that do require it. ** ** <li>[[SQLITE_FCNTL_WIN32_AV_RETRY]] ** ^The [SQLITE_FCNTL_WIN32_AV_RETRY] opcode is used to configure automatic @@ -926,13 +932,13 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_OVERWRITE]] ** ^The [SQLITE_FCNTL_OVERWRITE] opcode is invoked by SQLite after opening ** a write transaction to indicate that, unless it is rolled back for some -** reason, the entire database file will be overwritten by the current +** reason, the entire database file will be overwritten by the current ** transaction. This is used by VACUUM operations. ** ** <li>[[SQLITE_FCNTL_VFSNAME]] ** ^The [SQLITE_FCNTL_VFSNAME] opcode can be used to obtain the names of ** all [VFSes] in the VFS stack. The names are of all VFS shims and the -** final bottom-level VFS are written into memory obtained from +** final bottom-level VFS are written into memory obtained from ** [sqlite3_malloc()] and the result is stored in the char* variable ** that the fourth parameter of [sqlite3_file_control()] points to. ** The caller is responsible for freeing the memory when done. As with @@ -951,7 +957,7 @@ struct sqlite3_io_methods { ** upper-most shim only. ** ** <li>[[SQLITE_FCNTL_PRAGMA]] -** ^Whenever a [PRAGMA] statement is parsed, an [SQLITE_FCNTL_PRAGMA] +** ^Whenever a [PRAGMA] statement is parsed, an [SQLITE_FCNTL_PRAGMA] ** file control is sent to the open [sqlite3_file] object corresponding ** to the database file to which the pragma statement refers. ^The argument ** to the [SQLITE_FCNTL_PRAGMA] file control is an array of @@ -962,7 +968,7 @@ struct sqlite3_io_methods { ** of the char** argument point to a string obtained from [sqlite3_mprintf()] ** or the equivalent and that string will become the result of the pragma or ** the error message if the pragma fails. ^If the -** [SQLITE_FCNTL_PRAGMA] file control returns [SQLITE_NOTFOUND], then normal +** [SQLITE_FCNTL_PRAGMA] file control returns [SQLITE_NOTFOUND], then normal ** [PRAGMA] processing continues. ^If the [SQLITE_FCNTL_PRAGMA] ** file control returns [SQLITE_OK], then the parser assumes that the ** VFS has handled the PRAGMA itself and the parser generates a no-op @@ -979,16 +985,16 @@ struct sqlite3_io_methods { ** ^The [SQLITE_FCNTL_BUSYHANDLER] ** file-control may be invoked by SQLite on the database file handle ** shortly after it is opened in order to provide a custom VFS with access -** to the connections busy-handler callback. The argument is of type (void **) +** to the connection's busy-handler callback. The argument is of type (void**) ** - an array of two (void *) values. The first (void *) actually points -** to a function of type (int (*)(void *)). In order to invoke the connections +** to a function of type (int (*)(void *)). In order to invoke the connection's ** busy-handler, this function should be invoked with the second (void *) in ** the array as the only argument. If it returns non-zero, then the operation ** should be retried. If it returns zero, the custom VFS should abandon the ** current operation. ** ** <li>[[SQLITE_FCNTL_TEMPFILENAME]] -** ^Application can invoke the [SQLITE_FCNTL_TEMPFILENAME] file-control +** ^Applications can invoke the [SQLITE_FCNTL_TEMPFILENAME] file-control ** to have SQLite generate a ** temporary filename using the same algorithm that is followed to generate ** temporary filenames for TEMP tables and other internal uses. The @@ -1002,7 +1008,7 @@ struct sqlite3_io_methods { ** The argument is a pointer to a value of type sqlite3_int64 that ** is an advisory maximum number of bytes in the file to memory map. The ** pointer is overwritten with the old value. The limit is not changed if -** the value originally pointed to is negative, and so the current limit +** the value originally pointed to is negative, and so the current limit ** can be queried by passing in a pointer to a negative number. This ** file-control is used internally to implement [PRAGMA mmap_size]. ** @@ -1046,7 +1052,7 @@ struct sqlite3_io_methods { ** <li>[[SQLITE_FCNTL_RBU]] ** The [SQLITE_FCNTL_RBU] opcode is implemented by the special VFS used by ** the RBU extension only. All other VFS should return SQLITE_NOTFOUND for -** this opcode. +** this opcode. ** ** <li>[[SQLITE_FCNTL_BEGIN_ATOMIC_WRITE]] ** If the [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE] opcode returns SQLITE_OK, then @@ -1063,7 +1069,7 @@ struct sqlite3_io_methods { ** ** <li>[[SQLITE_FCNTL_COMMIT_ATOMIC_WRITE]] ** The [SQLITE_FCNTL_COMMIT_ATOMIC_WRITE] opcode causes all write -** operations since the previous successful call to +** operations since the previous successful call to ** [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE] to be performed atomically. ** This file control returns [SQLITE_OK] if and only if the writes were ** all performed successfully and have been committed to persistent storage. @@ -1075,7 +1081,7 @@ struct sqlite3_io_methods { ** ** <li>[[SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE]] ** The [SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE] opcode causes all write -** operations since the previous successful call to +** operations since the previous successful call to ** [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE] to be rolled back. ** ^This file control takes the file descriptor out of batch write mode ** so that all subsequent write operations are independent. @@ -1083,10 +1089,12 @@ struct sqlite3_io_methods { ** a prior successful call to [SQLITE_FCNTL_BEGIN_ATOMIC_WRITE]. ** ** <li>[[SQLITE_FCNTL_LOCK_TIMEOUT]] -** The [SQLITE_FCNTL_LOCK_TIMEOUT] opcode causes attempts to obtain -** a file lock using the xLock or xShmLock methods of the VFS to wait -** for up to M milliseconds before failing, where M is the single -** unsigned integer parameter. +** The [SQLITE_FCNTL_LOCK_TIMEOUT] opcode is used to configure a VFS +** to block for up to M milliseconds before failing when attempting to +** obtain a file lock using the xLock or xShmLock methods of the VFS. +** The parameter is a pointer to a 32-bit signed integer that contains +** the value that M is to be set to. Before returning, the 32-bit signed +** integer is overwritten with the previous value of M. ** ** <li>[[SQLITE_FCNTL_DATA_VERSION]] ** The [SQLITE_FCNTL_DATA_VERSION] opcode is used to detect changes to @@ -1101,12 +1109,23 @@ struct sqlite3_io_methods { ** not provide a mechanism to detect changes to MAIN only. Also, the ** [sqlite3_total_changes()] interface responds to internal changes only and ** omits changes made by other database connections. The -** [PRAGMA data_version] command provide a mechanism to detect changes to +** [PRAGMA data_version] command provides a mechanism to detect changes to ** a single attached database that occur due to other database connections, ** but omits changes implemented by the database connection on which it is ** called. This file control is the only mechanism to detect changes that ** happen either internally or externally and that are associated with ** a particular attached database. +** +** <li>[[SQLITE_FCNTL_CKPT_START]] +** The [SQLITE_FCNTL_CKPT_START] opcode is invoked from within a checkpoint +** in wal mode before the client starts to copy pages from the wal +** file to the database file. +** +** <li>[[SQLITE_FCNTL_CKPT_DONE]] +** The [SQLITE_FCNTL_CKPT_DONE] opcode is invoked from within a checkpoint +** in wal mode after the client has finished copying pages from the wal +** file to the database file, but before the *-shm file is updated to +** record the fact that the pages have been checkpointed. ** </ul> */ #define SQLITE_FCNTL_LOCKSTATE 1 @@ -1144,6 +1163,9 @@ struct sqlite3_io_methods { #define SQLITE_FCNTL_LOCK_TIMEOUT 34 #define SQLITE_FCNTL_DATA_VERSION 35 #define SQLITE_FCNTL_SIZE_LIMIT 36 +#define SQLITE_FCNTL_CKPT_DONE 37 +#define SQLITE_FCNTL_RESERVE_BYTES 38 +#define SQLITE_FCNTL_CKPT_START 39 /* deprecated names */ #define SQLITE_GET_LOCKPROXYFILE SQLITE_FCNTL_GET_LOCKPROXYFILE @@ -1189,10 +1211,10 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** to 3 with SQLite [version 3.7.6] on [dateof:3.7.6]. Additional fields ** may be appended to the sqlite3_vfs object and the iVersion value ** may increase again in future versions of SQLite. -** Note that the structure -** of the sqlite3_vfs object changes in the transition from +** Note that due to an oversight, the structure +** of the sqlite3_vfs object changed in the transition from ** SQLite [version 3.5.9] to [version 3.6.0] on [dateof:3.6.0] -** and yet the iVersion field was not modified. +** and yet the iVersion field was not increased. ** ** The szOsFile field is the size of the subclassed [sqlite3_file] ** structure used by this VFS. mxPathname is the maximum length of @@ -1227,14 +1249,14 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** the [sqlite3_file] can safely store a pointer to the ** filename if it needs to remember the filename for some reason. ** If the zFilename parameter to xOpen is a NULL pointer then xOpen -** must invent its own temporary name for the file. ^Whenever the +** must invent its own temporary name for the file. ^Whenever the ** xFilename parameter is NULL it will also be the case that the ** flags parameter will include [SQLITE_OPEN_DELETEONCLOSE]. ** ** The flags argument to xOpen() includes all bits set in ** the flags argument to [sqlite3_open_v2()]. Or if [sqlite3_open()] ** or [sqlite3_open16()] is used, then flags includes at least -** [SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]. +** [SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]. ** If xOpen() opens a file read-only then it sets *pOutFlags to ** include [SQLITE_OPEN_READONLY]. Other bits in *pOutFlags may be set. ** @@ -1248,7 +1270,7 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** <li> [SQLITE_OPEN_TEMP_JOURNAL] ** <li> [SQLITE_OPEN_TRANSIENT_DB] ** <li> [SQLITE_OPEN_SUBJOURNAL] -** <li> [SQLITE_OPEN_MASTER_JOURNAL] +** <li> [SQLITE_OPEN_SUPER_JOURNAL] ** <li> [SQLITE_OPEN_WAL] ** </ul>)^ ** @@ -1276,14 +1298,14 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** ^The [SQLITE_OPEN_EXCLUSIVE] flag is always used in conjunction ** with the [SQLITE_OPEN_CREATE] flag, which are both directly ** analogous to the O_EXCL and O_CREAT flags of the POSIX open() -** API. The SQLITE_OPEN_EXCLUSIVE flag, when paired with the +** API. The SQLITE_OPEN_EXCLUSIVE flag, when paired with the ** SQLITE_OPEN_CREATE, is used to indicate that file should always ** be created, and that it is an error if it already exists. -** It is <i>not</i> used to indicate the file should be opened +** It is <i>not</i> used to indicate the file should be opened ** for exclusive access. ** ** ^At least szOsFile bytes of memory are allocated by SQLite -** to hold the [sqlite3_file] structure passed as the third +** to hold the [sqlite3_file] structure passed as the third ** argument to xOpen. The xOpen method does not have to ** allocate the structure; it should just fill it in. Note that ** the xOpen method must set the sqlite3_file.pMethods to either @@ -1303,7 +1325,7 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** non-zero error code if there is an I/O error or if the name of ** the file given in the second argument is illegal. If SQLITE_OK ** is returned, then non-zero or zero is written into *pResOut to indicate -** whether or not the file is accessible. +** whether or not the file is accessible. ** ** ^SQLite will always allocate at least mxPathname+1 bytes for the ** output buffer xFullPathname. The exact size of the output buffer @@ -1323,16 +1345,16 @@ typedef struct sqlite3_api_routines sqlite3_api_routines; ** method returns a Julian Day Number for the current date and time as ** a floating point value. ** ^The xCurrentTimeInt64() method returns, as an integer, the Julian -** Day Number multiplied by 86400000 (the number of milliseconds in -** a 24-hour day). +** Day Number multiplied by 86400000 (the number of milliseconds in +** a 24-hour day). ** ^SQLite will use the xCurrentTimeInt64() method to get the current -** date and time if that method is available (if iVersion is 2 or +** date and time if that method is available (if iVersion is 2 or ** greater and the function pointer is not NULL) and will fall back ** to xCurrentTime() if xCurrentTimeInt64() is unavailable. ** ** ^The xSetSystemCall(), xGetSystemCall(), and xNestSystemCall() interfaces ** are not used by the SQLite core. These optional interfaces are provided -** by some VFSes to facilitate testing of the VFS code. By overriding +** by some VFSes to facilitate testing of the VFS code. By overriding ** system calls with functions under its control, a test program can ** simulate faults and error conditions that would otherwise be difficult ** or impossible to induce. The set of system calls that can be overridden @@ -1379,7 +1401,7 @@ struct sqlite3_vfs { /* ** The methods above are in versions 1 through 3 of the sqlite_vfs object. ** New fields may be appended in future versions. The iVersion - ** value will increment whenever this happens. + ** value will increment whenever this happens. */ }; @@ -1423,7 +1445,7 @@ struct sqlite3_vfs { ** </ul> ** ** When unlocking, the same SHARED or EXCLUSIVE flag must be supplied as -** was given on the corresponding lock. +** was given on the corresponding lock. ** ** The xShmLock method can transition between unlocked and SHARED or ** between unlocked and EXCLUSIVE. It cannot transition between SHARED @@ -1568,7 +1590,7 @@ SQLITE_API int sqlite3_config(int, ...); ** [database connection] (specified in the first argument). ** ** The second argument to sqlite3_db_config(D,V,...) is the -** [SQLITE_DBCONFIG_LOOKASIDE | configuration verb] - an integer code +** [SQLITE_DBCONFIG_LOOKASIDE | configuration verb] - an integer code ** that indicates what aspect of the [database connection] is being configured. ** Subsequent arguments vary depending on the configuration verb. ** @@ -1586,7 +1608,7 @@ SQLITE_API int sqlite3_db_config(sqlite3*, int op, ...); ** This object is used in only one place in the SQLite interface. ** A pointer to an instance of this object is the argument to ** [sqlite3_config()] when the configuration option is -** [SQLITE_CONFIG_MALLOC] or [SQLITE_CONFIG_GETMALLOC]. +** [SQLITE_CONFIG_MALLOC] or [SQLITE_CONFIG_GETMALLOC]. ** By creating an instance of this object ** and passing it to [sqlite3_config]([SQLITE_CONFIG_MALLOC]) ** during configuration, an application can specify an alternative @@ -1616,17 +1638,17 @@ SQLITE_API int sqlite3_db_config(sqlite3*, int op, ...); ** allocators round up memory allocations at least to the next multiple ** of 8. Some allocators round up to a larger multiple or to a power of 2. ** Every memory allocation request coming in through [sqlite3_malloc()] -** or [sqlite3_realloc()] first calls xRoundup. If xRoundup returns 0, +** or [sqlite3_realloc()] first calls xRoundup. If xRoundup returns 0, ** that causes the corresponding memory allocation to fail. ** ** The xInit method initializes the memory allocator. For example, -** it might allocate any require mutexes or initialize internal data +** it might allocate any required mutexes or initialize internal data ** structures. The xShutdown method is invoked (indirectly) by ** [sqlite3_shutdown()] and should deallocate any resources acquired ** by xInit. The pAppData pointer is used as the only parameter to ** xInit and xShutdown. ** -** SQLite holds the [SQLITE_MUTEX_STATIC_MASTER] mutex when it invokes +** SQLite holds the [SQLITE_MUTEX_STATIC_MAIN] mutex when it invokes ** the xInit method, so the xInit method need not be threadsafe. The ** xShutdown method is only called from [sqlite3_shutdown()] so it does ** not need to be threadsafe either. For all other methods, SQLite @@ -1674,7 +1696,7 @@ struct sqlite3_mem_methods { ** by a single thread. ^If SQLite is compiled with ** the [SQLITE_THREADSAFE | SQLITE_THREADSAFE=0] compile-time option then ** it is not possible to change the [threading mode] from its default -** value of Single-thread and so [sqlite3_config()] will return +** value of Single-thread and so [sqlite3_config()] will return ** [SQLITE_ERROR] if called with the SQLITE_CONFIG_SINGLETHREAD ** configuration option.</dd> ** @@ -1709,7 +1731,7 @@ struct sqlite3_mem_methods { ** SQLITE_CONFIG_SERIALIZED configuration option.</dd> ** ** [[SQLITE_CONFIG_MALLOC]] <dt>SQLITE_CONFIG_MALLOC</dt> -** <dd> ^(The SQLITE_CONFIG_MALLOC option takes a single argument which is +** <dd> ^(The SQLITE_CONFIG_MALLOC option takes a single argument which is ** a pointer to an instance of the [sqlite3_mem_methods] structure. ** The argument specifies ** alternative low-level memory allocation routines to be used in place of @@ -1742,6 +1764,7 @@ struct sqlite3_mem_methods { ** memory allocation statistics. ^(When memory allocation statistics are ** disabled, the following SQLite interfaces become non-operational: ** <ul> +** <li> [sqlite3_hard_heap_limit64()] ** <li> [sqlite3_memory_used()] ** <li> [sqlite3_memory_highwater()] ** <li> [sqlite3_soft_heap_limit64()] @@ -1759,8 +1782,8 @@ struct sqlite3_mem_methods { ** [[SQLITE_CONFIG_PAGECACHE]] <dt>SQLITE_CONFIG_PAGECACHE</dt> ** <dd> ^The SQLITE_CONFIG_PAGECACHE option specifies a memory pool ** that SQLite can use for the database page cache with the default page -** cache implementation. -** This configuration option is a no-op if an application-define page +** cache implementation. +** This configuration option is a no-op if an application-defined page ** cache implementation is loaded using the [SQLITE_CONFIG_PCACHE2]. ** ^There are three arguments to SQLITE_CONFIG_PAGECACHE: A pointer to ** 8-byte aligned memory (pMem), the size of each page cache line (sz), @@ -1787,7 +1810,7 @@ struct sqlite3_mem_methods { ** additional cache line. </dd> ** ** [[SQLITE_CONFIG_HEAP]] <dt>SQLITE_CONFIG_HEAP</dt> -** <dd> ^The SQLITE_CONFIG_HEAP option specifies a static memory buffer +** <dd> ^The SQLITE_CONFIG_HEAP option specifies a static memory buffer ** that SQLite will use for all of its dynamic memory allocation needs ** beyond those provided for by [SQLITE_CONFIG_PAGECACHE]. ** ^The SQLITE_CONFIG_HEAP option is only available if SQLite is compiled @@ -1842,7 +1865,7 @@ struct sqlite3_mem_methods { ** configuration on individual connections.)^ </dd> ** ** [[SQLITE_CONFIG_PCACHE2]] <dt>SQLITE_CONFIG_PCACHE2</dt> -** <dd> ^(The SQLITE_CONFIG_PCACHE2 option takes a single argument which is +** <dd> ^(The SQLITE_CONFIG_PCACHE2 option takes a single argument which is ** a pointer to an [sqlite3_pcache_methods2] object. This object specifies ** the interface to a custom page cache implementation.)^ ** ^SQLite makes a copy of the [sqlite3_pcache_methods2] object.</dd> @@ -1856,7 +1879,7 @@ struct sqlite3_mem_methods { ** <dd> The SQLITE_CONFIG_LOG option is used to configure the SQLite ** global [error log]. ** (^The SQLITE_CONFIG_LOG option takes two arguments: a pointer to a -** function with a call signature of void(*)(void*,int,const char*), +** function with a call signature of void(*)(void*,int,const char*), ** and a pointer to void. ^If the function pointer is not NULL, it is ** invoked by [sqlite3_log()] to process each logging event. ^If the ** function pointer is NULL, the [sqlite3_log()] interface becomes a no-op. @@ -1965,7 +1988,7 @@ struct sqlite3_mem_methods { ** [[SQLITE_CONFIG_STMTJRNL_SPILL]] ** <dt>SQLITE_CONFIG_STMTJRNL_SPILL ** <dd>^The SQLITE_CONFIG_STMTJRNL_SPILL option takes a single parameter which -** becomes the [statement journal] spill-to-disk threshold. +** becomes the [statement journal] spill-to-disk threshold. ** [Statement journals] are held in memory until their size (in bytes) ** exceeds this threshold, at which point they are written to disk. ** Or if the threshold is -1, statement journals are always held @@ -1987,7 +2010,7 @@ struct sqlite3_mem_methods { ** than the configured sorter-reference size threshold - then a reference ** is stored in each sorted record and the required column values loaded ** from the database as records are returned in sorted order. The default -** value for this option is to never use this optimization. Specifying a +** value for this option is to never use this optimization. Specifying a ** negative value for this option restores the default behaviour. ** This option is only available if SQLite is compiled with the ** [SQLITE_ENABLE_SORTER_REFERENCES] compile-time option. @@ -2015,7 +2038,7 @@ struct sqlite3_mem_methods { #define SQLITE_CONFIG_MEMSTATUS 9 /* boolean */ #define SQLITE_CONFIG_MUTEX 10 /* sqlite3_mutex_methods* */ #define SQLITE_CONFIG_GETMUTEX 11 /* sqlite3_mutex_methods* */ -/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ +/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */ #define SQLITE_CONFIG_LOOKASIDE 13 /* int int */ #define SQLITE_CONFIG_PCACHE 14 /* no-op */ #define SQLITE_CONFIG_GETPCACHE 15 /* no-op */ @@ -2050,7 +2073,7 @@ struct sqlite3_mem_methods { ** <dl> ** [[SQLITE_DBCONFIG_LOOKASIDE]] ** <dt>SQLITE_DBCONFIG_LOOKASIDE</dt> -** <dd> ^This option takes three additional arguments that determine the +** <dd> ^This option takes three additional arguments that determine the ** [lookaside memory allocator] configuration for the [database connection]. ** ^The first argument (the third parameter to [sqlite3_db_config()] is a ** pointer to a memory buffer to use for lookaside memory. @@ -2068,7 +2091,7 @@ struct sqlite3_mem_methods { ** when the "current value" returned by ** [sqlite3_db_status](D,[SQLITE_CONFIG_LOOKASIDE],...) is zero. ** Any attempt to change the lookaside memory configuration when lookaside -** memory is in use leaves the configuration unchanged and returns +** memory is in use leaves the configuration unchanged and returns ** [SQLITE_BUSY].)^</dd> ** ** [[SQLITE_DBCONFIG_ENABLE_FKEY]] @@ -2145,11 +2168,11 @@ struct sqlite3_mem_methods { ** until after the database connection closes. ** </dd> ** -** [[SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE]] +** [[SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE]] ** <dt>SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE</dt> -** <dd> Usually, when a database in wal mode is closed or detached from a -** database handle, SQLite checks if this will mean that there are now no -** connections at all to the database. If so, it performs a checkpoint +** <dd> Usually, when a database in wal mode is closed or detached from a +** database handle, SQLite checks if this will mean that there are now no +** connections at all to the database. If so, it performs a checkpoint ** operation before closing the connection. This option may be used to ** override this behaviour. The first parameter passed to this operation ** is an integer - positive to disable checkpoints-on-close, or zero (the @@ -2168,7 +2191,7 @@ struct sqlite3_mem_methods { ** slower. But the QPSG has the advantage of more predictable behavior. With ** the QPSG active, SQLite will always use the same query plan in the field as ** was used during testing in the lab. -** The first argument to this setting is an integer which is 0 to disable +** The first argument to this setting is an integer which is 0 to disable ** the QPSG, positive to enable QPSG, or negative to leave the setting ** unchanged. The second parameter is a pointer to an integer into which ** is written 0 or 1 to indicate whether the QPSG is disabled or enabled @@ -2176,15 +2199,15 @@ struct sqlite3_mem_methods { ** </dd> ** ** [[SQLITE_DBCONFIG_TRIGGER_EQP]] <dt>SQLITE_DBCONFIG_TRIGGER_EQP</dt> -** <dd> By default, the output of EXPLAIN QUERY PLAN commands does not +** <dd> By default, the output of EXPLAIN QUERY PLAN commands does not ** include output for any operations performed by trigger programs. This ** option is used to set or clear (the default) a flag that governs this ** behavior. The first parameter passed to this operation is an integer - ** positive to enable output for trigger programs, or zero to disable it, ** or negative to leave the setting unchanged. -** The second parameter is a pointer to an integer into which is written -** 0 or 1 to indicate whether output-for-triggers has been disabled - 0 if -** it is not disabled, 1 if it is. +** The second parameter is a pointer to an integer into which is written +** 0 or 1 to indicate whether output-for-triggers has been disabled - 0 if +** it is not disabled, 1 if it is. ** </dd> ** ** [[SQLITE_DBCONFIG_RESET_DATABASE]] <dt>SQLITE_DBCONFIG_RESET_DATABASE</dt> @@ -2198,7 +2221,7 @@ struct sqlite3_mem_methods { ** database, or calling sqlite3_table_column_metadata(), ignoring any ** errors. This step is only necessary if the application desires to keep ** the database in WAL mode after the reset if it was in WAL mode before -** the reset. +** the reset. ** <li> sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 1, 0); ** <li> [sqlite3_exec](db, "[VACUUM]", 0, 0, 0); ** <li> sqlite3_db_config(db, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0); @@ -2210,7 +2233,7 @@ struct sqlite3_mem_methods { ** [[SQLITE_DBCONFIG_DEFENSIVE]] <dt>SQLITE_DBCONFIG_DEFENSIVE</dt> ** <dd>The SQLITE_DBCONFIG_DEFENSIVE option activates or deactivates the ** "defensive" flag for a database connection. When the defensive -** flag is enabled, language features that allow ordinary SQL to +** flag is enabled, language features that allow ordinary SQL to ** deliberately corrupt the database file are disabled. The disabled ** features include but are not limited to the following: ** <ul> @@ -2225,7 +2248,7 @@ struct sqlite3_mem_methods { ** <dd>The SQLITE_DBCONFIG_WRITABLE_SCHEMA option activates or deactivates the ** "writable_schema" flag. This has the same effect and is logically equivalent ** to setting [PRAGMA writable_schema=ON] or [PRAGMA writable_schema=OFF]. -** The first argument to this setting is an integer which is 0 to disable +** The first argument to this setting is an integer which is 0 to disable ** the writable_schema, positive to enable writable_schema, or negative to ** leave the setting unchanged. The second parameter is a pointer to an ** integer into which is written 0 or 1 to indicate whether the writable_schema @@ -2245,7 +2268,7 @@ struct sqlite3_mem_methods { ** [[SQLITE_DBCONFIG_DQS_DML]] ** <dt>SQLITE_DBCONFIG_DQS_DML</td> ** <dd>The SQLITE_DBCONFIG_DQS_DML option activates or deactivates -** the legacy [double-quoted string literal] misfeature for DML statement +** the legacy [double-quoted string literal] misfeature for DML statements ** only, that is DELETE, INSERT, SELECT, and UPDATE statements. The ** default value of this setting is determined by the [-DSQLITE_DQS] ** compile-time option. @@ -2259,6 +2282,48 @@ struct sqlite3_mem_methods { ** default value of this setting is determined by the [-DSQLITE_DQS] ** compile-time option. ** </dd> +** +** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]] +** <dt>SQLITE_DBCONFIG_TRUSTED_SCHEMA</td> +** <dd>The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to +** assume that database schemas are untainted by malicious content. +** When the SQLITE_DBCONFIG_TRUSTED_SCHEMA option is disabled, SQLite +** takes additional defensive steps to protect the application from harm +** including: +** <ul> +** <li> Prohibit the use of SQL functions inside triggers, views, +** CHECK constraints, DEFAULT clauses, expression indexes, +** partial indexes, or generated columns +** unless those functions are tagged with [SQLITE_INNOCUOUS]. +** <li> Prohibit the use of virtual tables inside of triggers or views +** unless those virtual tables are tagged with [SQLITE_VTAB_INNOCUOUS]. +** </ul> +** This setting defaults to "on" for legacy compatibility, however +** all applications are advised to turn it off if possible. This setting +** can also be controlled using the [PRAGMA trusted_schema] statement. +** </dd> +** +** [[SQLITE_DBCONFIG_LEGACY_FILE_FORMAT]] +** <dt>SQLITE_DBCONFIG_LEGACY_FILE_FORMAT</td> +** <dd>The SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option activates or deactivates +** the legacy file format flag. When activated, this flag causes all newly +** created database file to have a schema format version number (the 4-byte +** integer found at offset 44 into the database header) of 1. This in turn +** means that the resulting database file will be readable and writable by +** any SQLite version back to 3.0.0 ([dateof:3.0.0]). Without this setting, +** newly created databases are generally not understandable by SQLite versions +** prior to 3.3.0 ([dateof:3.3.0]). As these words are written, there +** is now scarcely any need to generated database files that are compatible +** all the way back to version 3.0.0, and so this setting is of little +** practical use, but is provided so that SQLite can continue to claim the +** ability to generate new database files that are compatible with version +** 3.0.0. +** <p>Note that when the SQLITE_DBCONFIG_LEGACY_FILE_FORMAT setting is on, +** the [VACUUM] command will fail with an obscure error when attempting to +** process a table with generated columns and a descending index. This is +** not considered a bug since SQLite versions 3.3.0 and earlier do not support +** either generated columns or decending indexes. +** </dd> ** </dl> */ #define SQLITE_DBCONFIG_MAINDBNAME 1000 /* const char* */ @@ -2277,7 +2342,9 @@ struct sqlite3_mem_methods { #define SQLITE_DBCONFIG_DQS_DML 1013 /* int int* */ #define SQLITE_DBCONFIG_DQS_DDL 1014 /* int int* */ #define SQLITE_DBCONFIG_ENABLE_VIEW 1015 /* int int* */ -#define SQLITE_DBCONFIG_MAX 1015 /* Largest DBCONFIG */ +#define SQLITE_DBCONFIG_LEGACY_FILE_FORMAT 1016 /* int int* */ +#define SQLITE_DBCONFIG_TRUSTED_SCHEMA 1017 /* int int* */ +#define SQLITE_DBCONFIG_MAX 1017 /* Largest DBCONFIG */ /* ** CAPI3REF: Enable Or Disable Extended Result Codes @@ -2304,8 +2371,8 @@ SQLITE_API int sqlite3_extended_result_codes(sqlite3*, int onoff); ** ^The sqlite3_last_insert_rowid(D) interface usually returns the [rowid] of ** the most recent successful [INSERT] into a rowid table or [virtual table] ** on database connection D. ^Inserts into [WITHOUT ROWID] tables are not -** recorded. ^If no successful [INSERT]s into rowid tables have ever occurred -** on the database connection D, then sqlite3_last_insert_rowid(D) returns +** recorded. ^If no successful [INSERT]s into rowid tables have ever occurred +** on the database connection D, then sqlite3_last_insert_rowid(D) returns ** zero. ** ** As well as being set automatically as rows are inserted into database @@ -2315,15 +2382,15 @@ SQLITE_API int sqlite3_extended_result_codes(sqlite3*, int onoff); ** Some virtual table implementations may INSERT rows into rowid tables as ** part of committing a transaction (e.g. to flush data accumulated in memory ** to disk). In this case subsequent calls to this function return the rowid -** associated with these internal INSERT operations, which leads to +** associated with these internal INSERT operations, which leads to ** unintuitive results. Virtual table implementations that do write to rowid -** tables in this way can avoid this problem by restoring the original -** rowid value using [sqlite3_set_last_insert_rowid()] before returning +** tables in this way can avoid this problem by restoring the original +** rowid value using [sqlite3_set_last_insert_rowid()] before returning ** control to the user. ** -** ^(If an [INSERT] occurs within a trigger then this routine will -** return the [rowid] of the inserted row as long as the trigger is -** running. Once the trigger program ends, the value returned +** ^(If an [INSERT] occurs within a trigger then this routine will +** return the [rowid] of the inserted row as long as the trigger is +** running. Once the trigger program ends, the value returned ** by this routine reverts to what it was before the trigger was fired.)^ ** ** ^An [INSERT] that fails due to a constraint violation is not a @@ -2356,7 +2423,7 @@ SQLITE_API sqlite3_int64 sqlite3_last_insert_rowid(sqlite3*); ** METHOD: sqlite3 ** ** The sqlite3_set_last_insert_rowid(D, R) method allows the application to -** set the value returned by calling sqlite3_last_insert_rowid(D) to R +** set the value returned by calling sqlite3_last_insert_rowid(D) to R ** without inserting a row into the database. */ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); @@ -2372,37 +2439,37 @@ SQLITE_API void sqlite3_set_last_insert_rowid(sqlite3*,sqlite3_int64); ** returned by this function. ** ** ^Only changes made directly by the INSERT, UPDATE or DELETE statement are -** considered - auxiliary changes caused by [CREATE TRIGGER | triggers], +** considered - auxiliary changes caused by [CREATE TRIGGER | triggers], ** [foreign key actions] or [REPLACE] constraint resolution are not counted. -** -** Changes to a view that are intercepted by -** [INSTEAD OF trigger | INSTEAD OF triggers] are not counted. ^The value -** returned by sqlite3_changes() immediately after an INSERT, UPDATE or -** DELETE statement run on a view is always zero. Only changes made to real +** +** Changes to a view that are intercepted by +** [INSTEAD OF trigger | INSTEAD OF triggers] are not counted. ^The value +** returned by sqlite3_changes() immediately after an INSERT, UPDATE or +** DELETE statement run on a view is always zero. Only changes made to real ** tables are counted. ** ** Things are more complicated if the sqlite3_changes() function is ** executed while a trigger program is running. This may happen if the ** program uses the [changes() SQL function], or if some other callback ** function invokes sqlite3_changes() directly. Essentially: -** +** ** <ul> ** <li> ^(Before entering a trigger program the value returned by -** sqlite3_changes() function is saved. After the trigger program +** sqlite3_changes() function is saved. After the trigger program ** has finished, the original value is restored.)^ -** -** <li> ^(Within a trigger program each INSERT, UPDATE and DELETE -** statement sets the value returned by sqlite3_changes() -** upon completion as normal. Of course, this value will not include -** any changes performed by sub-triggers, as the sqlite3_changes() +** +** <li> ^(Within a trigger program each INSERT, UPDATE and DELETE +** statement sets the value returned by sqlite3_changes() +** upon completion as normal. Of course, this value will not include +** any changes performed by sub-triggers, as the sqlite3_changes() ** value will be saved and restored after each sub-trigger has run.)^ ** </ul> -** +** ** ^This means that if the changes() SQL function (or similar) is used -** by the first INSERT, UPDATE or DELETE statement within a trigger, it +** by the first INSERT, UPDATE or DELETE statement within a trigger, it ** returns the value as set when the calling statement began executing. -** ^If it is used by the second or subsequent such statement within a trigger -** program, the value returned reflects the number of rows modified by the +** ^If it is used by the second or subsequent such statement within a trigger +** program, the value returned reflects the number of rows modified by the ** previous INSERT, UPDATE or DELETE statement within the same trigger. ** ** If a separate thread makes changes on the same database connection @@ -2428,10 +2495,10 @@ SQLITE_API int sqlite3_changes(sqlite3*); ** since the database connection was opened, including those executed as ** part of trigger programs. ^Executing any other type of SQL statement ** does not affect the value returned by sqlite3_total_changes(). -** +** ** ^Changes made as part of [foreign key actions] are included in the ** count, but those made as part of REPLACE constraint resolution are -** not. ^Changes to a view that are intercepted by INSTEAD OF triggers +** not. ^Changes to a view that are intercepted by INSTEAD OF triggers ** are not counted. ** ** The [sqlite3_total_changes(D)] interface only reports the number @@ -2440,7 +2507,7 @@ SQLITE_API int sqlite3_changes(sqlite3*); ** To detect changes against a database file from other database ** connections use the [PRAGMA data_version] command or the ** [SQLITE_FCNTL_DATA_VERSION] [file control]. -** +** ** If a separate thread makes changes on the same database connection ** while [sqlite3_total_changes()] is running then the value ** returned is unpredictable and not meaningful. @@ -2482,8 +2549,8 @@ SQLITE_API int sqlite3_total_changes(sqlite3*); ** ** ^The sqlite3_interrupt(D) call is in effect until all currently running ** SQL statements on [database connection] D complete. ^Any new SQL statements -** that are started after the sqlite3_interrupt() call and before the -** running statements reaches zero are interrupted as if they had been +** that are started after the sqlite3_interrupt() call and before the +** running statement count reaches zero are interrupted as if they had been ** running prior to the sqlite3_interrupt() call. ^New SQL statements ** that are started after the running statement count reaches zero are ** not effected by the sqlite3_interrupt(). @@ -2514,7 +2581,7 @@ SQLITE_API void sqlite3_interrupt(sqlite3*); ** ^These routines do not parse the SQL statements thus ** will not detect syntactically incorrect SQL. ** -** ^(If SQLite has not been initialized using [sqlite3_initialize()] prior +** ^(If SQLite has not been initialized using [sqlite3_initialize()] prior ** to invoking sqlite3_complete16() then sqlite3_initialize() is invoked ** automatically by sqlite3_complete16(). If that initialization fails, ** then the return value from sqlite3_complete16() will be non-zero @@ -2559,7 +2626,7 @@ SQLITE_API int sqlite3_complete16(const void *sql); ** The presence of a busy handler does not guarantee that it will be invoked ** when there is lock contention. ^If SQLite determines that invoking the busy ** handler could result in a deadlock, it will go ahead and return [SQLITE_BUSY] -** to the application instead of invoking the +** to the application instead of invoking the ** busy handler. ** Consider a scenario where one process is holding a read lock that ** it is trying to promote to a reserved lock and @@ -2584,7 +2651,7 @@ SQLITE_API int sqlite3_complete16(const void *sql); ** database connection that invoked the busy handler. In other words, ** the busy handler is not reentrant. Any such actions ** result in undefined behavior. -** +** ** A busy handler must not close the database connection ** or [prepared statement] that invoked the busy handler. */ @@ -2651,9 +2718,9 @@ SQLITE_API int sqlite3_busy_timeout(sqlite3*, int ms); ** Cindy | 21 ** </pre></blockquote> ** -** There are two column (M==2) and three rows (N==3). Thus the +** There are two columns (M==2) and three rows (N==3). Thus the ** result table has 8 entries. Suppose the result table is stored -** in an array names azResult. Then azResult holds this content: +** in an array named azResult. Then azResult holds this content: ** ** <blockquote><pre> ** azResult[0] = "Name"; @@ -2702,7 +2769,7 @@ SQLITE_API void sqlite3_free_table(char **result); ** These routines are work-alikes of the "printf()" family of functions ** from the standard C library. ** These routines understand most of the common formatting options from -** the standard library printf() +** the standard library printf() ** plus some additional non-standard formats ([%q], [%Q], [%w], and [%z]). ** See the [built-in printf()] documentation for details. ** @@ -2746,7 +2813,7 @@ SQLITE_API char *sqlite3_vsnprintf(int,char*,const char*, va_list); ** ** The SQLite core uses these three routines for all of its own ** internal memory allocation needs. "Core" in the previous sentence -** does not include operating-system specific VFS implementation. The +** does not include operating-system specific [VFS] implementation. The ** Windows VFS uses native malloc() and free() for some operations. ** ** ^The sqlite3_malloc() routine returns a pointer to a block @@ -2807,19 +2874,6 @@ SQLITE_API char *sqlite3_vsnprintf(int,char*,const char*, va_list); ** 4 byte boundary if the [SQLITE_4_BYTE_ALIGNED_MALLOC] compile-time ** option is used. ** -** In SQLite version 3.5.0 and 3.5.1, it was possible to define -** the SQLITE_OMIT_MEMORY_ALLOCATION which would cause the built-in -** implementation of these routines to be omitted. That capability -** is no longer provided. Only built-in memory allocators can be used. -** -** Prior to SQLite version 3.7.10, the Windows OS interface layer called -** the system malloc() and free() directly when converting -** filenames between the UTF-8 encoding used by SQLite -** and whatever filename encoding is used by the particular Windows -** installation. Memory allocation errors were detected, but -** they were reported back as [SQLITE_CANTOPEN] or -** [SQLITE_IOERR] rather than [SQLITE_NOMEM]. -** ** The pointer arguments to [sqlite3_free()] and [sqlite3_realloc()] ** must be either NULL or else pointers obtained from a prior ** invocation of [sqlite3_malloc()] or [sqlite3_realloc()] that have @@ -2868,7 +2922,7 @@ SQLITE_API sqlite3_int64 sqlite3_memory_highwater(int resetFlag); ** SQLite contains a high-quality pseudo-random number generator (PRNG) used to ** select random [ROWID | ROWIDs] when inserting new records into a table that ** already uses the largest possible [ROWID]. The PRNG is also used for -** the build-in random() and randomblob() SQL functions. This interface allows +** the built-in random() and randomblob() SQL functions. This interface allows ** applications to access the same PRNG for other purposes. ** ** ^A call to this routine stores N bytes of randomness into buffer P. @@ -2911,7 +2965,7 @@ SQLITE_API void sqlite3_randomness(int N, void *P); ** requested is ok. ^When the callback returns [SQLITE_DENY], the ** [sqlite3_prepare_v2()] or equivalent call that triggered the ** authorizer will fail with an error message explaining that -** access is denied. +** access is denied. ** ** ^The first parameter to the authorizer callback is a copy of the third ** parameter to the sqlite3_set_authorizer() interface. ^The second parameter @@ -2964,7 +3018,7 @@ SQLITE_API void sqlite3_randomness(int N, void *P); ** database connections for the meaning of "modify" in this paragraph. ** ** ^When [sqlite3_prepare_v2()] is used to prepare a statement, the -** statement might be re-prepared during [sqlite3_step()] due to a +** statement might be re-prepared during [sqlite3_step()] due to a ** schema change. Hence, the application should ensure that the ** correct authorizer callback remains in place during the [sqlite3_step()]. ** @@ -3112,7 +3166,7 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** execution of the prepared statement, such as at the start of each ** trigger subprogram. ^The P argument is a pointer to the ** [prepared statement]. ^The X argument is a pointer to a string which -** is the unexpanded SQL text of the prepared statement or an SQL comment +** is the unexpanded SQL text of the prepared statement or an SQL comment ** that indicates the invocation of a trigger. ^The callback can compute ** the same text that would have been returned by the legacy [sqlite3_trace()] ** interface by using the X argument when X begins with "--" and invoking @@ -3128,7 +3182,7 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** ** [[SQLITE_TRACE_ROW]] <dt>SQLITE_TRACE_ROW</dt> ** <dd>^An SQLITE_TRACE_ROW callback is invoked whenever a prepared -** statement generates a single row of result. +** statement generates a single row of result. ** ^The P argument is a pointer to the [prepared statement] and the ** X argument is unused. ** @@ -3155,10 +3209,10 @@ SQLITE_API SQLITE_DEPRECATED void *sqlite3_profile(sqlite3*, ** M argument should be the bitwise OR-ed combination of ** zero or more [SQLITE_TRACE] constants. ** -** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides +** ^Each call to either sqlite3_trace() or sqlite3_trace_v2() overrides ** (cancels) any prior calls to sqlite3_trace() or sqlite3_trace_v2(). ** -** ^The X callback is invoked whenever any of the events identified by +** ^The X callback is invoked whenever any of the events identified by ** mask M occur. ^The integer return value from the callback is currently ** ignored, though this may change in future releases. Callback ** implementations should return zero to ensure future compatibility. @@ -3190,8 +3244,8 @@ SQLITE_API int sqlite3_trace_v2( ** database connection D. An example use for this ** interface is to keep a GUI updated during a large query. ** -** ^The parameter P is passed through as the only parameter to the -** callback function X. ^The parameter N is the approximate number of +** ^The parameter P is passed through as the only parameter to the +** callback function X. ^The parameter N is the approximate number of ** [virtual machine instructions] that are evaluated between successive ** invocations of the callback X. ^If N is less than one then the progress ** handler is disabled. @@ -3218,7 +3272,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** CAPI3REF: Opening A New Database Connection ** CONSTRUCTOR: sqlite3 ** -** ^These routines open an SQLite database file as specified by the +** ^These routines open an SQLite database file as specified by the ** filename argument. ^The filename argument is interpreted as UTF-8 for ** sqlite3_open() and sqlite3_open_v2() and as UTF-16 in the native byte ** order for sqlite3_open16(). ^(A [database connection] handle is usually @@ -3242,10 +3296,8 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** The sqlite3_open_v2() interface works like sqlite3_open() ** except that it accepts two additional parameters for additional control ** over the new database connection. ^(The flags parameter to -** sqlite3_open_v2() can take one of -** the following three values, optionally combined with the -** [SQLITE_OPEN_NOMUTEX], [SQLITE_OPEN_FULLMUTEX], [SQLITE_OPEN_SHAREDCACHE], -** [SQLITE_OPEN_PRIVATECACHE], and/or [SQLITE_OPEN_URI] flags:)^ +** sqlite3_open_v2() must include, at a minimum, one of the following +** three flag combinations:)^ ** ** <dl> ** ^(<dt>[SQLITE_OPEN_READONLY]</dt> @@ -3263,23 +3315,51 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** sqlite3_open() and sqlite3_open16().</dd>)^ ** </dl> ** +** In addition to the required flags, the following optional flags are +** also supported: +** +** <dl> +** ^(<dt>[SQLITE_OPEN_URI]</dt> +** <dd>The filename can be interpreted as a URI if this flag is set.</dd>)^ +** +** ^(<dt>[SQLITE_OPEN_MEMORY]</dt> +** <dd>The database will be opened as an in-memory database. The database +** is named by the "filename" argument for the purposes of cache-sharing, +** if shared cache mode is enabled, but the "filename" is otherwise ignored. +** </dd>)^ +** +** ^(<dt>[SQLITE_OPEN_NOMUTEX]</dt> +** <dd>The new database connection will use the "multi-thread" +** [threading mode].)^ This means that separate threads are allowed +** to use SQLite at the same time, as long as each thread is using +** a different [database connection]. +** +** ^(<dt>[SQLITE_OPEN_FULLMUTEX]</dt> +** <dd>The new database connection will use the "serialized" +** [threading mode].)^ This means the multiple threads can safely +** attempt to use the same database connection at the same time. +** (Mutexes will block any actual concurrency, but in this mode +** there is no harm in trying.) +** +** ^(<dt>[SQLITE_OPEN_SHAREDCACHE]</dt> +** <dd>The database is opened [shared cache] enabled, overriding +** the default shared cache setting provided by +** [sqlite3_enable_shared_cache()].)^ +** +** ^(<dt>[SQLITE_OPEN_PRIVATECACHE]</dt> +** <dd>The database is opened [shared cache] disabled, overriding +** the default shared cache setting provided by +** [sqlite3_enable_shared_cache()].)^ +** +** [[OPEN_NOFOLLOW]] ^(<dt>[SQLITE_OPEN_NOFOLLOW]</dt> +** <dd>The database filename is not allowed to be a symbolic link</dd> +** </dl>)^ +** ** If the 3rd parameter to sqlite3_open_v2() is not one of the -** combinations shown above optionally combined with other +** required combinations shown above optionally combined with other ** [SQLITE_OPEN_READONLY | SQLITE_OPEN_* bits] ** then the behavior is undefined. ** -** ^If the [SQLITE_OPEN_NOMUTEX] flag is set, then the database connection -** opens in the multi-thread [threading mode] as long as the single-thread -** mode has not been set at compile-time or start-time. ^If the -** [SQLITE_OPEN_FULLMUTEX] flag is set then the database connection opens -** in the serialized [threading mode] unless single-thread was -** previously selected at compile-time or start-time. -** ^The [SQLITE_OPEN_SHAREDCACHE] flag causes the database connection to be -** eligible to use [shared cache mode], regardless of whether or not shared -** cache is enabled using [sqlite3_enable_shared_cache()]. ^The -** [SQLITE_OPEN_PRIVATECACHE] flag causes the database connection to not -** participate in [shared cache mode] even if it is enabled. -** ** ^The fourth parameter to sqlite3_open_v2() is the name of the ** [sqlite3_vfs] object that defines the operating system interface that ** the new database connection should use. ^If the fourth parameter is @@ -3311,17 +3391,17 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** information. ** ** URI filenames are parsed according to RFC 3986. ^If the URI contains an -** authority, then it must be either an empty string or the string -** "localhost". ^If the authority is not an empty string or "localhost", an -** error is returned to the caller. ^The fragment component of a URI, if +** authority, then it must be either an empty string or the string +** "localhost". ^If the authority is not an empty string or "localhost", an +** error is returned to the caller. ^The fragment component of a URI, if ** present, is ignored. ** ** ^SQLite uses the path component of the URI as the name of the disk file -** which contains the database. ^If the path begins with a '/' character, -** then it is interpreted as an absolute path. ^If the path does not begin +** which contains the database. ^If the path begins with a '/' character, +** then it is interpreted as an absolute path. ^If the path does not begin ** with a '/' (meaning that the authority section is omitted from the URI) -** then the path is interpreted as a relative path. -** ^(On windows, the first component of an absolute path +** then the path is interpreted as a relative path. +** ^(On windows, the first component of an absolute path ** is a drive specification (e.g. "C:").)^ ** ** [[core URI query parameters]] @@ -3341,13 +3421,13 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** ** <li> <b>mode</b>: ^(The mode parameter may be set to either "ro", "rw", ** "rwc", or "memory". Attempting to set it to any other value is -** an error)^. -** ^If "ro" is specified, then the database is opened for read-only -** access, just as if the [SQLITE_OPEN_READONLY] flag had been set in the -** third argument to sqlite3_open_v2(). ^If the mode option is set to -** "rw", then the database is opened for read-write (but not create) -** access, as if SQLITE_OPEN_READWRITE (but not SQLITE_OPEN_CREATE) had -** been set. ^Value "rwc" is equivalent to setting both +** an error)^. +** ^If "ro" is specified, then the database is opened for read-only +** access, just as if the [SQLITE_OPEN_READONLY] flag had been set in the +** third argument to sqlite3_open_v2(). ^If the mode option is set to +** "rw", then the database is opened for read-write (but not create) +** access, as if SQLITE_OPEN_READWRITE (but not SQLITE_OPEN_CREATE) had +** been set. ^Value "rwc" is equivalent to setting both ** SQLITE_OPEN_READWRITE and SQLITE_OPEN_CREATE. ^If the mode option is ** set to "memory" then a pure [in-memory database] that never reads ** or writes from disk is used. ^It is an error to specify a value for @@ -3357,7 +3437,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** <li> <b>cache</b>: ^The cache parameter may be set to either "shared" or ** "private". ^Setting it to "shared" is equivalent to setting the ** SQLITE_OPEN_SHAREDCACHE bit in the flags argument passed to -** sqlite3_open_v2(). ^Setting the cache parameter to "private" is +** sqlite3_open_v2(). ^Setting the cache parameter to "private" is ** equivalent to setting the SQLITE_OPEN_PRIVATECACHE bit. ** ^If sqlite3_open_v2() is used and the "cache" parameter is present in ** a URI filename, its value overrides any behavior requested by setting @@ -3383,7 +3463,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** property on a database file that does in fact change can result ** in incorrect query results and/or [SQLITE_CORRUPT] errors. ** See also: [SQLITE_IOCAP_IMMUTABLE]. -** +** ** </ul> ** ** ^Specifying an unknown parameter in the query component of a URI is not an @@ -3395,36 +3475,36 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*); ** ** <table border="1" align=center cellpadding=5> ** <tr><th> URI filenames <th> Results -** <tr><td> file:data.db <td> +** <tr><td> file:data.db <td> ** Open the file "data.db" in the current directory. ** <tr><td> file:/home/fred/data.db<br> -** file:///home/fred/data.db <br> -** file://localhost/home/fred/data.db <br> <td> +** file:///home/fred/data.db <br> +** file://localhost/home/fred/data.db <br> <td> ** Open the database file "/home/fred/data.db". -** <tr><td> file://darkstar/home/fred/data.db <td> +** <tr><td> file://darkstar/home/fred/data.db <td> ** An error. "darkstar" is not a recognized authority. -** <tr><td style="white-space:nowrap"> +** <tr><td style="white-space:nowrap"> ** file:///C:/Documents%20and%20Settings/fred/Desktop/data.db ** <td> Windows only: Open the file "data.db" on fred's desktop on drive -** C:. Note that the %20 escaping in this example is not strictly +** C:. Note that the %20 escaping in this example is not strictly ** necessary - space characters can be used literally ** in URI filenames. -** <tr><td> file:data.db?mode=ro&cache=private <td> +** <tr><td> file:data.db?mode=ro&cache=private <td> ** Open file "data.db" in the current directory for read-only access. ** Regardless of whether or not shared-cache mode is enabled by ** default, use a private cache. ** <tr><td> file:/home/fred/data.db?vfs=unix-dotfile <td> ** Open file "/home/fred/data.db". Use the special VFS "unix-dotfile" ** that uses dot-files in place of posix advisory locking. -** <tr><td> file:data.db?mode=readonly <td> +** <tr><td> file:data.db?mode=readonly <td> ** An error. "readonly" is not a valid option for the "mode" parameter. ** </table> ** ** ^URI hexadecimal escape sequences (%HH) are supported within the path and ** query components of a URI. A hexadecimal escape sequence consists of a -** percent sign - "%" - followed by exactly two hexadecimal digits +** percent sign - "%" - followed by exactly two hexadecimal digits ** specifying an octet value. ^Before the path or query components of a -** URI filename are interpreted, they are encoded using UTF-8 and all +** URI filename are interpreted, they are encoded using UTF-8 and all ** hexadecimal escape sequences replaced by a single byte containing the ** corresponding octet. If this process generates an invalid UTF-8 encoding, ** the results are undefined. @@ -3459,17 +3539,27 @@ SQLITE_API int sqlite3_open_v2( /* ** CAPI3REF: Obtain Values For URI Parameters ** -** These are utility routines, useful to VFS implementations, that check -** to see if a database file was a URI that contained a specific query +** These are utility routines, useful to [VFS|custom VFS implementations], +** that check if a database file was a URI that contained a specific query ** parameter, and if so obtains the value of that query parameter. ** -** If F is the database filename pointer passed into the xOpen() method of -** a VFS implementation when the flags parameter to xOpen() has one or -** more of the [SQLITE_OPEN_URI] or [SQLITE_OPEN_MAIN_DB] bits set and -** P is the name of the query parameter, then +** The first parameter to these interfaces (hereafter referred to +** as F) must be one of: +** <ul> +** <li> A database filename pointer created by the SQLite core and +** passed into the xOpen() method of a VFS implemention, or +** <li> A filename obtained from [sqlite3_db_filename()], or +** <li> A new filename constructed using [sqlite3_create_filename()]. +** </ul> +** If the F parameter is not one of the above, then the behavior is +** undefined and probably undesirable. Older versions of SQLite were +** more tolerant of invalid F parameters than newer versions. +** +** If F is a suitable filename (as described in the previous paragraph) +** and if P is the name of the query parameter, then ** sqlite3_uri_parameter(F,P) returns the value of the P -** parameter if it exists or a NULL pointer if P does not appear as a -** query parameter on F. If P is a query parameter of F +** parameter if it exists or a NULL pointer if P does not appear as a +** query parameter on F. If P is a query parameter of F and it ** has no explicit value, then sqlite3_uri_parameter(F,P) returns ** a pointer to an empty string. ** @@ -3477,41 +3567,160 @@ SQLITE_API int sqlite3_open_v2( ** parameter and returns true (1) or false (0) according to the value ** of P. The sqlite3_uri_boolean(F,P,B) routine returns true (1) if the ** value of query parameter P is one of "yes", "true", or "on" in any -** case or if the value begins with a non-zero number. The +** case or if the value begins with a non-zero number. The ** sqlite3_uri_boolean(F,P,B) routines returns false (0) if the value of ** query parameter P is one of "no", "false", or "off" in any case or ** if the value begins with a numeric zero. If P is not a query -** parameter on F or if the value of P is does not match any of the +** parameter on F or if the value of P does not match any of the ** above, then sqlite3_uri_boolean(F,P,B) returns (B!=0). ** ** The sqlite3_uri_int64(F,P,D) routine converts the value of P into a ** 64-bit signed integer and returns that integer, or D if P does not ** exist. If the value of P is something other than an integer, then ** zero is returned. -** +** +** The sqlite3_uri_key(F,N) returns a pointer to the name (not +** the value) of the N-th query parameter for filename F, or a NULL +** pointer if N is less than zero or greater than the number of query +** parameters minus 1. The N value is zero-based so N should be 0 to obtain +** the name of the first query parameter, 1 for the second parameter, and +** so forth. +** ** If F is a NULL pointer, then sqlite3_uri_parameter(F,P) returns NULL and ** sqlite3_uri_boolean(F,P,B) returns B. If F is not a NULL pointer and -** is not a database file pathname pointer that SQLite passed into the xOpen -** VFS method, then the behavior of this routine is undefined and probably -** undesirable. +** is not a database file pathname pointer that the SQLite core passed +** into the xOpen VFS method, then the behavior of this routine is undefined +** and probably undesirable. +** +** Beginning with SQLite [version 3.31.0] ([dateof:3.31.0]) the input F +** parameter can also be the name of a rollback journal file or WAL file +** in addition to the main database file. Prior to version 3.31.0, these +** routines would only work if F was the name of the main database file. +** When the F parameter is the name of the rollback journal or WAL file, +** it has access to all the same query parameters as were found on the +** main database file. ** ** See the [URI filename] documentation for additional information. */ SQLITE_API const char *sqlite3_uri_parameter(const char *zFilename, const char *zParam); SQLITE_API int sqlite3_uri_boolean(const char *zFile, const char *zParam, int bDefault); SQLITE_API sqlite3_int64 sqlite3_uri_int64(const char*, const char*, sqlite3_int64); +SQLITE_API const char *sqlite3_uri_key(const char *zFilename, int N); +/* +** CAPI3REF: Translate filenames +** +** These routines are available to [VFS|custom VFS implementations] for +** translating filenames between the main database file, the journal file, +** and the WAL file. +** +** If F is the name of an sqlite database file, journal file, or WAL file +** passed by the SQLite core into the VFS, then sqlite3_filename_database(F) +** returns the name of the corresponding database file. +** +** If F is the name of an sqlite database file, journal file, or WAL file +** passed by the SQLite core into the VFS, or if F is a database filename +** obtained from [sqlite3_db_filename()], then sqlite3_filename_journal(F) +** returns the name of the corresponding rollback journal file. +** +** If F is the name of an sqlite database file, journal file, or WAL file +** that was passed by the SQLite core into the VFS, or if F is a database +** filename obtained from [sqlite3_db_filename()], then +** sqlite3_filename_wal(F) returns the name of the corresponding +** WAL file. +** +** In all of the above, if F is not the name of a database, journal or WAL +** filename passed into the VFS from the SQLite core and F is not the +** return value from [sqlite3_db_filename()], then the result is +** undefined and is likely a memory access violation. +*/ +SQLITE_API const char *sqlite3_filename_database(const char*); +SQLITE_API const char *sqlite3_filename_journal(const char*); +SQLITE_API const char *sqlite3_filename_wal(const char*); + +/* +** CAPI3REF: Database File Corresponding To A Journal +** +** ^If X is the name of a rollback or WAL-mode journal file that is +** passed into the xOpen method of [sqlite3_vfs], then +** sqlite3_database_file_object(X) returns a pointer to the [sqlite3_file] +** object that represents the main database file. +** +** This routine is intended for use in custom [VFS] implementations +** only. It is not a general-purpose interface. +** The argument sqlite3_file_object(X) must be a filename pointer that +** has been passed into [sqlite3_vfs].xOpen method where the +** flags parameter to xOpen contains one of the bits +** [SQLITE_OPEN_MAIN_JOURNAL] or [SQLITE_OPEN_WAL]. Any other use +** of this routine results in undefined and probably undesirable +** behavior. +*/ +SQLITE_API sqlite3_file *sqlite3_database_file_object(const char*); + +/* +** CAPI3REF: Create and Destroy VFS Filenames +** +** These interfces are provided for use by [VFS shim] implementations and +** are not useful outside of that context. +** +** The sqlite3_create_filename(D,J,W,N,P) allocates memory to hold a version of +** database filename D with corresponding journal file J and WAL file W and +** with N URI parameters key/values pairs in the array P. The result from +** sqlite3_create_filename(D,J,W,N,P) is a pointer to a database filename that +** is safe to pass to routines like: +** <ul> +** <li> [sqlite3_uri_parameter()], +** <li> [sqlite3_uri_boolean()], +** <li> [sqlite3_uri_int64()], +** <li> [sqlite3_uri_key()], +** <li> [sqlite3_filename_database()], +** <li> [sqlite3_filename_journal()], or +** <li> [sqlite3_filename_wal()]. +** </ul> +** If a memory allocation error occurs, sqlite3_create_filename() might +** return a NULL pointer. The memory obtained from sqlite3_create_filename(X) +** must be released by a corresponding call to sqlite3_free_filename(Y). +** +** The P parameter in sqlite3_create_filename(D,J,W,N,P) should be an array +** of 2*N pointers to strings. Each pair of pointers in this array corresponds +** to a key and value for a query parameter. The P parameter may be a NULL +** pointer if N is zero. None of the 2*N pointers in the P array may be +** NULL pointers and key pointers should not be empty strings. +** None of the D, J, or W parameters to sqlite3_create_filename(D,J,W,N,P) may +** be NULL pointers, though they can be empty strings. +** +** The sqlite3_free_filename(Y) routine releases a memory allocation +** previously obtained from sqlite3_create_filename(). Invoking +** sqlite3_free_filename(Y) where Y is a NULL pointer is a harmless no-op. +** +** If the Y parameter to sqlite3_free_filename(Y) is anything other +** than a NULL pointer or a pointer previously acquired from +** sqlite3_create_filename(), then bad things such as heap +** corruption or segfaults may occur. The value Y should be +** used again after sqlite3_free_filename(Y) has been called. This means +** that if the [sqlite3_vfs.xOpen()] method of a VFS has been called using Y, +** then the corresponding [sqlite3_module.xClose() method should also be +** invoked prior to calling sqlite3_free_filename(Y). +*/ +SQLITE_API char *sqlite3_create_filename( + const char *zDatabase, + const char *zJournal, + const char *zWal, + int nParam, + const char **azParam +); +SQLITE_API void sqlite3_free_filename(char*); /* ** CAPI3REF: Error Codes And Messages ** METHOD: sqlite3 ** -** ^If the most recent sqlite3_* API call associated with +** ^If the most recent sqlite3_* API call associated with ** [database connection] D failed, then the sqlite3_errcode(D) interface ** returns the numeric [result code] or [extended result code] for that ** API call. ** ^The sqlite3_extended_errcode() -** interface is the same except that it always returns the +** interface is the same except that it always returns the ** [extended result code] even when extended result codes are ** disabled. ** @@ -3568,7 +3777,7 @@ SQLITE_API const char *sqlite3_errstr(int); ** has been compiled into binary form and is ready to be evaluated. ** ** Think of each SQL statement as a separate computer program. The -** original SQL text is source code. A prepared statement object +** original SQL text is source code. A prepared statement object ** is the compiled object code. All SQL must be converted into a ** prepared statement before it can be run. ** @@ -3598,7 +3807,7 @@ typedef struct sqlite3_stmt sqlite3_stmt; ** new limit for that construct.)^ ** ** ^If the new limit is a negative number, the limit is unchanged. -** ^(For each limit category SQLITE_LIMIT_<i>NAME</i> there is a +** ^(For each limit category SQLITE_LIMIT_<i>NAME</i> there is a ** [limits | hard upper bound] ** set at compile-time by a C preprocessor macro called ** [limits | SQLITE_MAX_<i>NAME</i>]. @@ -3606,7 +3815,7 @@ typedef struct sqlite3_stmt sqlite3_stmt; ** ^Attempts to increase a limit above its hard upper bound are ** silently truncated to the hard upper bound. ** -** ^Regardless of whether or not the limit was changed, the +** ^Regardless of whether or not the limit was changed, the ** [sqlite3_limit()] interface returns the prior value of the limit. ** ^Hence, to find the current value of a limit without changing it, ** simply invoke this interface with the third parameter set to -1. @@ -3711,7 +3920,7 @@ SQLITE_API int sqlite3_limit(sqlite3*, int id, int newVal); ** <dd>The SQLITE_PREPARE_PERSISTENT flag is a hint to the query planner ** that the prepared statement will be retained for a long time and ** probably reused many times.)^ ^Without this flag, [sqlite3_prepare_v3()] -** and [sqlite3_prepare16_v3()] assume that the prepared statement will +** and [sqlite3_prepare16_v3()] assume that the prepared statement will ** be used just once or at most a few times and then destroyed using ** [sqlite3_finalize()] relatively soon. The current implementation acts ** on this hint by avoiding the use of [lookaside memory] so as not to @@ -3818,12 +4027,12 @@ SQLITE_API int sqlite3_limit(sqlite3*, int id, int newVal); ** </li> ** ** <li> -** ^If the specific value bound to [parameter | host parameter] in the +** ^If the specific value bound to a [parameter | host parameter] in the ** WHERE clause might influence the choice of query plan for a statement, -** then the statement will be automatically recompiled, as if there had been -** a schema change, on the first [sqlite3_step()] call following any change -** to the [sqlite3_bind_text | bindings] of that [parameter]. -** ^The specific value of WHERE-clause [parameter] might influence the +** then the statement will be automatically recompiled, as if there had been +** a schema change, on the first [sqlite3_step()] call following any change +** to the [sqlite3_bind_text | bindings] of that [parameter]. +** ^The specific value of a WHERE-clause [parameter] might influence the ** choice of query plan if the parameter is the left-hand side of a [LIKE] ** or [GLOB] operator or if the parameter is compared to an indexed column ** and the [SQLITE_ENABLE_STAT4] compile-time option is enabled. @@ -3932,8 +4141,8 @@ SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); ** the content of the database file. ** ** Note that [application-defined SQL functions] or -** [virtual tables] might change the database indirectly as a side effect. -** ^(For example, if an application defines a function "eval()" that +** [virtual tables] might change the database indirectly as a side effect. +** ^(For example, if an application defines a function "eval()" that ** calls [sqlite3_exec()], then the following SQL statement would ** change the database file through side-effects: ** @@ -3947,10 +4156,10 @@ SQLITE_API const char *sqlite3_normalized_sql(sqlite3_stmt *pStmt); ** ^Transaction control statements such as [BEGIN], [COMMIT], [ROLLBACK], ** [SAVEPOINT], and [RELEASE] cause sqlite3_stmt_readonly() to return true, ** since the statements themselves do not actually modify the database but -** rather they control the timing of when other statements modify the +** rather they control the timing of when other statements modify the ** database. ^The [ATTACH] and [DETACH] statements also cause ** sqlite3_stmt_readonly() to return true since, while those statements -** change the configuration of a database connection, they do not make +** change the configuration of a database connection, they do not make ** changes to the content of the database files on disk. ** ^The sqlite3_stmt_readonly() interface returns true for [BEGIN] since ** [BEGIN] merely sets internal flags, but the [BEGIN|BEGIN IMMEDIATE] and @@ -3976,18 +4185,18 @@ SQLITE_API int sqlite3_stmt_isexplain(sqlite3_stmt *pStmt); ** METHOD: sqlite3_stmt ** ** ^The sqlite3_stmt_busy(S) interface returns true (non-zero) if the -** [prepared statement] S has been stepped at least once using +** [prepared statement] S has been stepped at least once using ** [sqlite3_step(S)] but has neither run to completion (returned ** [SQLITE_DONE] from [sqlite3_step(S)]) nor ** been reset using [sqlite3_reset(S)]. ^The sqlite3_stmt_busy(S) -** interface returns false if S is a NULL pointer. If S is not a +** interface returns false if S is a NULL pointer. If S is not a ** NULL pointer and is not a pointer to a valid [prepared statement] ** object, then the behavior is undefined and probably undesirable. ** ** This interface can be used in combination [sqlite3_next_stmt()] -** to locate all prepared statements associated with a database +** to locate all prepared statements associated with a database ** connection that are in need of being reset. This can be used, -** for example, in diagnostic routines to search for prepared +** for example, in diagnostic routines to search for prepared ** statements that are holding a transaction open. */ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); @@ -4006,7 +4215,7 @@ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); ** will accept either a protected or an unprotected sqlite3_value. ** Every interface that accepts sqlite3_value arguments specifies ** whether or not it requires a protected sqlite3_value. The -** [sqlite3_value_dup()] interface can be used to construct a new +** [sqlite3_value_dup()] interface can be used to construct a new ** protected sqlite3_value from an unprotected sqlite3_value. ** ** The terms "protected" and "unprotected" refer to whether or not @@ -4014,7 +4223,7 @@ SQLITE_API int sqlite3_stmt_busy(sqlite3_stmt*); ** sqlite3_value object but no mutex is held for an unprotected ** sqlite3_value object. If SQLite is compiled to be single-threaded ** (with [SQLITE_THREADSAFE=0] and with [sqlite3_threadsafe()] returning 0) -** or if SQLite is run in one of reduced mutex modes +** or if SQLite is run in one of reduced mutex modes ** [SQLITE_CONFIG_SINGLETHREAD] or [SQLITE_CONFIG_MULTITHREAD] ** then there is no distinction between protected and unprotected ** sqlite3_value objects and they can be used interchangeably. However, @@ -4083,12 +4292,30 @@ typedef struct sqlite3_context sqlite3_context; ** [sqlite3_bind_parameter_index()] API if desired. ^The index ** for "?NNN" parameters is the value of NNN. ** ^The NNN value must be between 1 and the [sqlite3_limit()] -** parameter [SQLITE_LIMIT_VARIABLE_NUMBER] (default value: 999). +** parameter [SQLITE_LIMIT_VARIABLE_NUMBER] (default value: 32766). ** ** ^The third argument is the value to bind to the parameter. ** ^If the third parameter to sqlite3_bind_text() or sqlite3_bind_text16() ** or sqlite3_bind_blob() is a NULL pointer then the fourth parameter ** is ignored and the end result is the same as sqlite3_bind_null(). +** ^If the third parameter to sqlite3_bind_text() is not NULL, then +** it should be a pointer to well-formed UTF8 text. +** ^If the third parameter to sqlite3_bind_text16() is not NULL, then +** it should be a pointer to well-formed UTF16 text. +** ^If the third parameter to sqlite3_bind_text64() is not NULL, then +** it should be a pointer to a well-formed unicode string that is +** either UTF8 if the sixth parameter is SQLITE_UTF8, or UTF16 +** otherwise. +** +** [[byte-order determination rules]] ^The byte-order of +** UTF16 input text is determined by the byte-order mark (BOM, U+FEFF) +** found in first character, which is removed, or in the absence of a BOM +** the byte order is the native byte order of the host +** machine for sqlite3_bind_text16() or the byte order specified in +** the 6th parameter for sqlite3_bind_text64().)^ +** ^If UTF16 input text contains invalid unicode +** characters, then SQLite might change those invalid characters +** into the unicode replacement character: U+FFFD. ** ** ^(In those routines that have a fourth argument, its value is the ** number of bytes in the parameter. To be clear: the value is the @@ -4102,7 +4329,7 @@ typedef struct sqlite3_context sqlite3_context; ** or sqlite3_bind_text16() or sqlite3_bind_text64() then ** that parameter must be the byte offset ** where the NUL terminator would occur assuming the string were NUL -** terminated. If any NUL characters occur at byte offsets less than +** terminated. If any NUL characters occurs at byte offsets less than ** the value of the fourth parameter then the resulting string value will ** contain embedded NULs. The result of expressions involving strings ** with embedded NULs is undefined. @@ -4264,7 +4491,7 @@ SQLITE_API int sqlite3_clear_bindings(sqlite3_stmt*); ** METHOD: sqlite3_stmt ** ** ^Return the number of columns in the result set returned by the -** [prepared statement]. ^If this routine returns 0, that means the +** [prepared statement]. ^If this routine returns 0, that means the ** [prepared statement] returns no data (for example an [UPDATE]). ** ^However, just because this routine returns a positive number does not ** mean that one or more rows of data will be returned. ^A SELECT statement @@ -4332,7 +4559,7 @@ SQLITE_API const void *sqlite3_column_name16(sqlite3_stmt*, int N); ** ** ^If the Nth column returned by the statement is an expression or ** subquery and is not a column value, then all of these functions return -** NULL. ^These routine might also return NULL if a memory allocation error +** NULL. ^These routines might also return NULL if a memory allocation error ** occurs. ^Otherwise, they return the name of the attached database, table, ** or column that query result column was extracted from. ** @@ -4342,10 +4569,6 @@ SQLITE_API const void *sqlite3_column_name16(sqlite3_stmt*, int N); ** ^These APIs are only available if the library was compiled with the ** [SQLITE_ENABLE_COLUMN_METADATA] C-preprocessor symbol. ** -** If two or more threads call one or more of these routines against the same -** prepared statement and column at the same time then the results are -** undefined. -** ** If two or more threads call one or more ** [sqlite3_column_database_name | column metadata interfaces] ** for the same [prepared statement] and result column @@ -4450,7 +4673,7 @@ SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt*,int); ** For all versions of SQLite up to and including 3.6.23.1, a call to ** [sqlite3_reset()] was required after sqlite3_step() returned anything ** other than [SQLITE_ROW] before any subsequent invocation of -** sqlite3_step(). Failure to reset the prepared statement using +** sqlite3_step(). Failure to reset the prepared statement using ** [sqlite3_reset()] would result in an [SQLITE_MISUSE] return from ** sqlite3_step(). But after [version 3.6.23.1] ([dateof:3.6.23.1], ** sqlite3_step() began @@ -4482,7 +4705,7 @@ SQLITE_API int sqlite3_step(sqlite3_stmt*); ** ^The sqlite3_data_count(P) interface returns the number of columns in the ** current row of the result set of [prepared statement] P. ** ^If prepared statement P does not have results ready to return -** (via calls to the [sqlite3_column_int | sqlite3_column_*()] of +** (via calls to the [sqlite3_column_int | sqlite3_column()] family of ** interfaces) then sqlite3_data_count(P) returns 0. ** ^The sqlite3_data_count(P) routine also returns 0 if P is a NULL pointer. ** ^The sqlite3_data_count(P) routine returns 0 if the previous call to @@ -4541,7 +4764,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** <tr><td><b>sqlite3_column_int64</b><td>→<td>64-bit INTEGER result ** <tr><td><b>sqlite3_column_text</b><td>→<td>UTF-8 TEXT result ** <tr><td><b>sqlite3_column_text16</b><td>→<td>UTF-16 TEXT result -** <tr><td><b>sqlite3_column_value</b><td>→<td>The result as an +** <tr><td><b>sqlite3_column_value</b><td>→<td>The result as an ** [sqlite3_value|unprotected sqlite3_value] object. ** <tr><td> <td> <td> ** <tr><td><b>sqlite3_column_bytes</b><td>→<td>Size of a BLOB @@ -4589,7 +4812,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** The return value of sqlite3_column_type() can be used to decide which ** of the first six interface should be used to extract the column value. ** The value returned by sqlite3_column_type() is only meaningful if no -** automatic type conversions have occurred for the value in question. +** automatic type conversions have occurred for the value in question. ** After a type conversion, the result of calling sqlite3_column_type() ** is undefined, though harmless. Future ** versions of SQLite may change the behavior of sqlite3_column_type() @@ -4617,7 +4840,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** the number of bytes in that string. ** ^If the result is NULL, then sqlite3_column_bytes16() returns zero. ** -** ^The values returned by [sqlite3_column_bytes()] and +** ^The values returned by [sqlite3_column_bytes()] and ** [sqlite3_column_bytes16()] do not include the zero terminators at the end ** of the string. ^For clarity: the values returned by ** [sqlite3_column_bytes()] and [sqlite3_column_bytes16()] are the number of @@ -4636,7 +4859,7 @@ SQLITE_API int sqlite3_data_count(sqlite3_stmt *pStmt); ** to routines like [sqlite3_value_int()], [sqlite3_value_text()], ** or [sqlite3_value_bytes()], the behavior is not threadsafe. ** Hence, the sqlite3_column_value() interface -** is normally only useful within the implementation of +** is normally only useful within the implementation of ** [application-defined SQL functions] or [virtual tables], not within ** top-level application code. ** @@ -4806,15 +5029,13 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); /* ** CAPI3REF: Create Or Redefine SQL Functions ** KEYWORDS: {function creation routines} -** KEYWORDS: {application-defined SQL function} -** KEYWORDS: {application-defined SQL functions} ** METHOD: sqlite3 ** ** ^These functions (collectively known as "function creation routines") ** are used to add SQL functions or aggregates or to redefine the behavior ** of existing SQL functions or aggregates. The only differences between -** the three "sqlite3_create_function*" routines are the text encoding -** expected for the second parameter (the name of the function being +** the three "sqlite3_create_function*" routines are the text encoding +** expected for the second parameter (the name of the function being ** created) and the presence or absence of a destructor callback for ** the application data pointer. Function sqlite3_create_window_function() ** is similar, but allows the user to supply the extra callback functions @@ -4828,7 +5049,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** ^The second parameter is the name of the SQL function to be created or ** redefined. ^The length of the name is limited to 255 bytes in a UTF-8 ** representation, exclusive of the zero-terminator. ^Note that the name -** length limit is in UTF-8 bytes, not characters nor UTF-16 bytes. +** length limit is in UTF-8 bytes, not characters nor UTF-16 bytes. ** ^Any attempt to create a function with a longer name ** will result in [SQLITE_MISUSE] being returned. ** @@ -4843,7 +5064,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** ^The fourth parameter, eTextRep, specifies what ** [SQLITE_UTF8 | text encoding] this SQL function prefers for ** its parameters. The application should set this parameter to -** [SQLITE_UTF16LE] if the function implementation invokes +** [SQLITE_UTF16LE] if the function implementation invokes ** [sqlite3_value_text16le()] on an input, or [SQLITE_UTF16BE] if the ** implementation invokes [sqlite3_value_text16be()] on an input, or ** [SQLITE_UTF16] if [sqlite3_value_text16()] is used, or [SQLITE_UTF8] @@ -4863,9 +5084,20 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** ** ^The fourth parameter may also optionally include the [SQLITE_DIRECTONLY] ** flag, which if present prevents the function from being invoked from -** within VIEWs or TRIGGERs. For security reasons, the [SQLITE_DIRECTONLY] -** flag is recommended for any application-defined SQL function that has -** side-effects. +** within VIEWs, TRIGGERs, CHECK constraints, generated column expressions, +** index expressions, or the WHERE clause of partial indexes. +** +** <span style="background-color:#ffff90;"> +** For best security, the [SQLITE_DIRECTONLY] flag is recommended for +** all application-defined SQL functions that do not need to be +** used inside of triggers, view, CHECK constraints, or other elements of +** the database schema. This flags is especially recommended for SQL +** functions that have side effects or reveal internal application state. +** Without this flag, an attacker might be able to modify the schema of +** a database file to include invocations of the function with parameters +** chosen by the attacker, which the application will then execute when +** the database file is opened and read. +** </span> ** ** ^(The fifth parameter is an arbitrary pointer. The implementation of the ** function can gain access to this pointer using [sqlite3_user_data()].)^ @@ -4880,21 +5112,21 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** SQL function or aggregate, pass NULL pointers for all three function ** callbacks. ** -** ^The sixth, seventh, eighth and ninth parameters (xStep, xFinal, xValue +** ^The sixth, seventh, eighth and ninth parameters (xStep, xFinal, xValue ** and xInverse) passed to sqlite3_create_window_function are pointers to ** C-language callbacks that implement the new function. xStep and xFinal ** must both be non-NULL. xValue and xInverse may either both be NULL, in -** which case a regular aggregate function is created, or must both be +** which case a regular aggregate function is created, or must both be ** non-NULL, in which case the new function may be used as either an aggregate ** or aggregate window function. More details regarding the implementation -** of aggregate window functions are +** of aggregate window functions are ** [user-defined window functions|available here]. ** ** ^(If the final parameter to sqlite3_create_function_v2() or ** sqlite3_create_window_function() is not NULL, then it is destructor for -** the application data pointer. The destructor is invoked when the function -** is deleted, either by being overloaded or when the database connection -** closes.)^ ^The destructor is also invoked if the call to +** the application data pointer. The destructor is invoked when the function +** is deleted, either by being overloaded or when the database connection +** closes.)^ ^The destructor is also invoked if the call to ** sqlite3_create_function_v2() fails. ^When the destructor callback is ** invoked, it is passed a single argument which is a copy of the application ** data pointer which was the fifth parameter to sqlite3_create_function_v2(). @@ -4907,7 +5139,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt); ** nArg parameter is a better match than a function implementation with ** a negative nArg. ^A function where the preferred text encoding ** matches the database encoding is a better -** match than a function where the encoding is different. +** match than a function where the encoding is different. ** ^A function where the encoding difference is between UTF16le and UTF16be ** is a closer match than a function where the encoding difference is ** between UTF8 and UTF16. @@ -4979,23 +5211,58 @@ SQLITE_API int sqlite3_create_window_function( /* ** CAPI3REF: Function Flags ** -** These constants may be ORed together with the +** These constants may be ORed together with the ** [SQLITE_UTF8 | preferred text encoding] as the fourth argument ** to [sqlite3_create_function()], [sqlite3_create_function16()], or ** [sqlite3_create_function_v2()]. ** -** The SQLITE_DETERMINISTIC flag means that the new function will always -** maps the same inputs into the same output. The abs() function is -** deterministic, for example, but randomblob() is not. +** <dl> +** [[SQLITE_DETERMINISTIC]] <dt>SQLITE_DETERMINISTIC</dt><dd> +** The SQLITE_DETERMINISTIC flag means that the new function always gives +** the same output when the input parameters are the same. +** The [abs|abs() function] is deterministic, for example, but +** [randomblob|randomblob()] is not. Functions must +** be deterministic in order to be used in certain contexts such as +** with the WHERE clause of [partial indexes] or in [generated columns]. +** SQLite might also optimize deterministic functions by factoring them +** out of inner loops. +** </dd> ** +** [[SQLITE_DIRECTONLY]] <dt>SQLITE_DIRECTONLY</dt><dd> ** The SQLITE_DIRECTONLY flag means that the function may only be invoked -** from top-level SQL, and cannot be used in VIEWs or TRIGGERs. This is -** a security feature which is recommended for all -** [application-defined SQL functions] that have side-effects. This flag -** prevents an attacker from adding triggers and views to a schema then -** tricking a high-privilege application into causing unintended side-effects -** while performing ordinary queries. +** from top-level SQL, and cannot be used in VIEWs or TRIGGERs nor in +** schema structures such as [CHECK constraints], [DEFAULT clauses], +** [expression indexes], [partial indexes], or [generated columns]. +** The SQLITE_DIRECTONLY flags is a security feature which is recommended +** for all [application-defined SQL functions], and especially for functions +** that have side-effects or that could potentially leak sensitive +** information. +** </dd> +** +** [[SQLITE_INNOCUOUS]] <dt>SQLITE_INNOCUOUS</dt><dd> +** The SQLITE_INNOCUOUS flag means that the function is unlikely +** to cause problems even if misused. An innocuous function should have +** no side effects and should not depend on any values other than its +** input parameters. The [abs|abs() function] is an example of an +** innocuous function. +** The [load_extension() SQL function] is not innocuous because of its +** side effects. +** <p> SQLITE_INNOCUOUS is similar to SQLITE_DETERMINISTIC, but is not +** exactly the same. The [random|random() function] is an example of a +** function that is innocuous but not deterministic. +** <p>Some heightened security settings +** ([SQLITE_DBCONFIG_TRUSTED_SCHEMA] and [PRAGMA trusted_schema=OFF]) +** disable the use of SQL functions inside views and triggers and in +** schema structures such as [CHECK constraints], [DEFAULT clauses], +** [expression indexes], [partial indexes], and [generated columns] unless +** the function is tagged with SQLITE_INNOCUOUS. Most built-in functions +** are innocuous. Developers are advised to avoid using the +** SQLITE_INNOCUOUS flag for application-defined functions unless the +** function has been carefully audited and found to be free of potentially +** security-adverse side-effects and information-leaks. +** </dd> ** +** [[SQLITE_SUBTYPE]] <dt>SQLITE_SUBTYPE</dt><dd> ** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call ** [sqlite3_value_subtype()] to inspect the sub-types of its arguments. ** Specifying this flag makes no difference for scalar or aggregate user @@ -5003,17 +5270,20 @@ SQLITE_API int sqlite3_create_window_function( ** function, then any sub-types belonging to arguments passed to the window ** function may be discarded before the window function is called (i.e. ** sqlite3_value_subtype() will always return 0). +** </dd> +** </dl> */ #define SQLITE_DETERMINISTIC 0x000000800 #define SQLITE_DIRECTONLY 0x000080000 #define SQLITE_SUBTYPE 0x000100000 +#define SQLITE_INNOCUOUS 0x000200000 /* ** CAPI3REF: Deprecated Functions ** DEPRECATED ** ** These functions are [deprecated]. In order to maintain -** backwards compatibility with older code, these functions continue +** backwards compatibility with older code, these functions continue ** to be supported. However, new applications should avoid ** the use of these functions. To encourage programmers to avoid ** these functions, we will not explain what they do. @@ -5065,8 +5335,8 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** ** These routines extract type, size, and content information from ** [protected sqlite3_value] objects. Protected sqlite3_value objects -** are used to pass parameter information into implementation of -** [application-defined SQL functions] and [virtual tables]. +** are used to pass parameter information into the functions that +** implement [application-defined SQL functions] and [virtual tables]. ** ** These routines work only with [protected sqlite3_value] objects. ** Any attempt to use these routines on an [unprotected sqlite3_value] @@ -5081,11 +5351,11 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** sqlite3_value_text16be() and sqlite3_value_text16le() interfaces ** extract UTF-16 strings as big-endian and little-endian respectively. ** -** ^If [sqlite3_value] object V was initialized +** ^If [sqlite3_value] object V was initialized ** using [sqlite3_bind_pointer(S,I,P,X,D)] or [sqlite3_result_pointer(C,P,X,D)] ** and if X and Y are strings that compare equal according to strcmp(X,Y), ** then sqlite3_value_pointer(V,Y) will return the pointer P. ^Otherwise, -** sqlite3_value_pointer(V,Y) returns a NULL. The sqlite3_bind_pointer() +** sqlite3_value_pointer(V,Y) returns a NULL. The sqlite3_bind_pointer() ** routine is part of the [pointer passing interface] added for SQLite 3.20.0. ** ** ^(The sqlite3_value_type(V) interface returns the @@ -5123,7 +5393,7 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6 ** ^The sqlite3_value_frombind(X) interface returns non-zero if the ** value X originated from one of the [sqlite3_bind_int|sqlite3_bind()] ** interfaces. ^If X comes from an SQL literal value, or a table column, -** and expression, then sqlite3_value_frombind(X) returns zero. +** or an expression, then sqlite3_value_frombind(X) returns zero. ** ** Please pay particular attention to the fact that the pointer returned ** from [sqlite3_value_blob()], [sqlite3_value_text()], or @@ -5208,9 +5478,9 @@ SQLITE_API void sqlite3_value_free(sqlite3_value*); ** Implementations of aggregate SQL functions use this ** routine to allocate memory for storing their state. ** -** ^The first time the sqlite3_aggregate_context(C,N) routine is called -** for a particular aggregate function, SQLite -** allocates N of memory, zeroes out that memory, and returns a pointer +** ^The first time the sqlite3_aggregate_context(C,N) routine is called +** for a particular aggregate function, SQLite allocates +** N bytes of memory, zeroes out that memory, and returns a pointer ** to the new memory. ^On second and subsequent calls to ** sqlite3_aggregate_context() for the same aggregate function instance, ** the same buffer is returned. Sqlite3_aggregate_context() is normally @@ -5221,19 +5491,19 @@ SQLITE_API void sqlite3_value_free(sqlite3_value*); ** In those cases, sqlite3_aggregate_context() might be called for the ** first time from within xFinal().)^ ** -** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer +** ^The sqlite3_aggregate_context(C,N) routine returns a NULL pointer ** when first called if N is less than or equal to zero or if a memory ** allocate error occurs. ** ** ^(The amount of space allocated by sqlite3_aggregate_context(C,N) is ** determined by the N parameter on first successful call. Changing the -** value of N in subsequent call to sqlite3_aggregate_context() within +** value of N in any subsequent call to sqlite3_aggregate_context() within ** the same aggregate function instance will not resize the memory ** allocation.)^ Within the xFinal callback, it is customary to set -** N=0 in calls to sqlite3_aggregate_context(C,N) so that no +** N=0 in calls to sqlite3_aggregate_context(C,N) so that no ** pointless memory allocations occur. ** -** ^SQLite automatically frees the memory allocated by +** ^SQLite automatically frees the memory allocated by ** sqlite3_aggregate_context() when the aggregate query concludes. ** ** The first parameter must be a copy of the @@ -5283,7 +5553,7 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** some circumstances the associated metadata may be preserved. An example ** of where this might be useful is in a regular-expression matching ** function. The compiled version of the regular expression can be stored as -** metadata associated with the pattern string. +** metadata associated with the pattern string. ** Then as long as the pattern string remains the same, ** the compiled regular expression can be reused on multiple ** invocations of the same function. @@ -5309,10 +5579,10 @@ SQLITE_API sqlite3 *sqlite3_context_db_handle(sqlite3_context*); ** SQL statement)^, or ** <li> ^(when sqlite3_set_auxdata() is invoked again on the same ** parameter)^, or -** <li> ^(during the original sqlite3_set_auxdata() call when a memory +** <li> ^(during the original sqlite3_set_auxdata() call when a memory ** allocation error occurs.)^ </ul> ** -** Note the last bullet in particular. The destructor X in +** Note the last bullet in particular. The destructor X in ** sqlite3_set_auxdata(C,N,P,X) might be called immediately, before the ** sqlite3_set_auxdata() interface even returns. Hence sqlite3_set_auxdata() ** should be called near the end of the function implementation and the @@ -5384,8 +5654,9 @@ typedef void (*sqlite3_destructor_type)(void*); ** 2nd parameter of sqlite3_result_error() or sqlite3_result_error16() ** as the text of an error message. ^SQLite interprets the error ** message string from sqlite3_result_error() as UTF-8. ^SQLite -** interprets the string from sqlite3_result_error16() as UTF-16 in native -** byte order. ^If the third parameter to sqlite3_result_error() +** interprets the string from sqlite3_result_error16() as UTF-16 using +** the same [byte-order determination rules] as [sqlite3_bind_text16()]. +** ^If the third parameter to sqlite3_result_error() ** or sqlite3_result_error16() is negative then SQLite takes as the error ** message all text up through the first zero character. ** ^If the third parameter to sqlite3_result_error() or @@ -5453,6 +5724,25 @@ typedef void (*sqlite3_destructor_type)(void*); ** then SQLite makes a copy of the result into space obtained ** from [sqlite3_malloc()] before it returns. ** +** ^For the sqlite3_result_text16(), sqlite3_result_text16le(), and +** sqlite3_result_text16be() routines, and for sqlite3_result_text64() +** when the encoding is not UTF8, if the input UTF16 begins with a +** byte-order mark (BOM, U+FEFF) then the BOM is removed from the +** string and the rest of the string is interpreted according to the +** byte-order specified by the BOM. ^The byte-order specified by +** the BOM at the beginning of the text overrides the byte-order +** specified by the interface procedure. ^So, for example, if +** sqlite3_result_text16le() is invoked with text that begins +** with bytes 0xfe, 0xff (a big-endian byte-order mark) then the +** first two bytes of input are skipped and the remaining input +** is interpreted as UTF16BE text. +** +** ^For UTF16 input text to the sqlite3_result_text16(), +** sqlite3_result_text16be(), sqlite3_result_text16le(), and +** sqlite3_result_text64() routines, if the text contains invalid +** UTF16 characters, the invalid characters might be converted +** into the unicode replacement character, U+FFFD. +** ** ^The sqlite3_result_value() interface sets the result of ** the application-defined function to be a copy of the ** [unprotected sqlite3_value] object specified by the 2nd parameter. ^The @@ -5465,7 +5755,7 @@ typedef void (*sqlite3_destructor_type)(void*); ** ** ^The sqlite3_result_pointer(C,P,T,D) interface sets the result to an ** SQL NULL value, just like [sqlite3_result_null(C)], except that it -** also associates the host-language pointer P or type T with that +** also associates the host-language pointer P or type T with that ** NULL value such that the pointer can be retrieved within an ** [application-defined SQL function] using [sqlite3_value_pointer()]. ** ^If the D parameter is not NULL, then it is a pointer to a destructor @@ -5507,8 +5797,8 @@ SQLITE_API int sqlite3_result_zeroblob64(sqlite3_context*, sqlite3_uint64 n); ** METHOD: sqlite3_context ** ** The sqlite3_result_subtype(C,T) function causes the subtype of -** the result from the [application-defined SQL function] with -** [sqlite3_context] C to be the value T. Only the lower 8 bits +** the result from the [application-defined SQL function] with +** [sqlite3_context] C to be the value T. Only the lower 8 bits ** of the subtype T are preserved in current versions of SQLite; ** higher order bits are discarded. ** The number of subtype bytes preserved by SQLite might increase @@ -5538,7 +5828,7 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** <li> [SQLITE_UTF16_ALIGNED]. ** </ul>)^ ** ^The eTextRep argument determines the encoding of strings passed -** to the collating function callback, xCallback. +** to the collating function callback, xCompare. ** ^The [SQLITE_UTF16] and [SQLITE_UTF16_ALIGNED] values for eTextRep ** force strings to be UTF16 with native byte order. ** ^The [SQLITE_UTF16_ALIGNED] value for eTextRep forces strings to begin @@ -5547,18 +5837,19 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** ^The fourth argument, pArg, is an application data pointer that is passed ** through as the first argument to the collating function callback. ** -** ^The fifth argument, xCallback, is a pointer to the collating function. +** ^The fifth argument, xCompare, is a pointer to the collating function. ** ^Multiple collating functions can be registered using the same name but ** with different eTextRep parameters and SQLite will use whichever ** function requires the least amount of data transformation. -** ^If the xCallback argument is NULL then the collating function is +** ^If the xCompare argument is NULL then the collating function is ** deleted. ^When all collating functions having the same name are deleted, ** that collation is no longer usable. ** -** ^The collating function callback is invoked with a copy of the pArg +** ^The collating function callback is invoked with a copy of the pArg ** application data pointer and with two strings in the encoding specified -** by the eTextRep argument. The collating function must return an -** integer that is negative, zero, or positive +** by the eTextRep argument. The two integer parameters to the collating +** function callback are the length of the two strings, in bytes. The collating +** function must return an integer that is negative, zero, or positive ** if the first string is less than, equal to, or greater than the second, ** respectively. A collating function must always return the same answer ** given the same inputs. If two or more collating functions are registered @@ -5575,7 +5866,7 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** </ol> ** ** If a collating function fails any of the above constraints and that -** collating function is registered and used, then the behavior of SQLite +** collating function is registered and used, then the behavior of SQLite ** is undefined. ** ** ^The sqlite3_create_collation_v2() works like sqlite3_create_collation() @@ -5585,36 +5876,36 @@ SQLITE_API void sqlite3_result_subtype(sqlite3_context*,unsigned int); ** calls to the collation creation functions or when the ** [database connection] is closed using [sqlite3_close()]. ** -** ^The xDestroy callback is <u>not</u> called if the +** ^The xDestroy callback is <u>not</u> called if the ** sqlite3_create_collation_v2() function fails. Applications that invoke -** sqlite3_create_collation_v2() with a non-NULL xDestroy argument should +** sqlite3_create_collation_v2() with a non-NULL xDestroy argument should ** check the return code and dispose of the application data pointer ** themselves rather than expecting SQLite to deal with it for them. -** This is different from every other SQLite interface. The inconsistency -** is unfortunate but cannot be changed without breaking backwards +** This is different from every other SQLite interface. The inconsistency +** is unfortunate but cannot be changed without breaking backwards ** compatibility. ** ** See also: [sqlite3_collation_needed()] and [sqlite3_collation_needed16()]. */ SQLITE_API int sqlite3_create_collation( - sqlite3*, - const char *zName, - int eTextRep, + sqlite3*, + const char *zName, + int eTextRep, void *pArg, int(*xCompare)(void*,int,const void*,int,const void*) ); SQLITE_API int sqlite3_create_collation_v2( - sqlite3*, - const char *zName, - int eTextRep, + sqlite3*, + const char *zName, + int eTextRep, void *pArg, int(*xCompare)(void*,int,const void*,int,const void*), void(*xDestroy)(void*) ); SQLITE_API int sqlite3_create_collation16( - sqlite3*, + sqlite3*, const void *zName, - int eTextRep, + int eTextRep, void *pArg, int(*xCompare)(void*,int,const void*,int,const void*) ); @@ -5647,64 +5938,19 @@ SQLITE_API int sqlite3_create_collation16( ** [sqlite3_create_collation_v2()]. */ SQLITE_API int sqlite3_collation_needed( - sqlite3*, - void*, + sqlite3*, + void*, void(*)(void*,sqlite3*,int eTextRep,const char*) ); SQLITE_API int sqlite3_collation_needed16( - sqlite3*, + sqlite3*, void*, void(*)(void*,sqlite3*,int eTextRep,const void*) ); -#ifdef SQLITE_HAS_CODEC -/* -** Specify the key for an encrypted database. This routine should be -** called right after sqlite3_open(). -** -** The code to implement this API is not available in the public release -** of SQLite. -*/ -SQLITE_API int sqlite3_key( - sqlite3 *db, /* Database to be rekeyed */ - const void *pKey, int nKey /* The key */ -); -SQLITE_API int sqlite3_key_v2( - sqlite3 *db, /* Database to be rekeyed */ - const char *zDbName, /* Name of the database */ - const void *pKey, int nKey /* The key */ -); - -/* -** Change the key on an open database. If the current database is not -** encrypted, this routine will encrypt it. If pNew==0 or nNew==0, the -** database is decrypted. -** -** The code to implement this API is not available in the public release -** of SQLite. -*/ -SQLITE_API int sqlite3_rekey( - sqlite3 *db, /* Database to be rekeyed */ - const void *pKey, int nKey /* The new key */ -); -SQLITE_API int sqlite3_rekey_v2( - sqlite3 *db, /* Database to be rekeyed */ - const char *zDbName, /* Name of the database */ - const void *pKey, int nKey /* The new key */ -); - -/* -** Specify the activation key for a SEE database. Unless -** activated, none of the SEE routines will work. -*/ -SQLITE_API void sqlite3_activate_see( - const char *zPassPhrase /* Activation phrase */ -); -#endif - #ifdef SQLITE_ENABLE_CEROD /* -** Specify the activation key for a CEROD database. Unless +** Specify the activation key for a CEROD database. Unless ** activated, none of the CEROD routines will work. */ SQLITE_API void sqlite3_activate_cerod( @@ -5760,7 +6006,7 @@ SQLITE_API int sqlite3_sleep(int); ** ^The [temp_store_directory pragma] may modify this variable and cause ** it to point to memory obtained from [sqlite3_malloc]. ^Furthermore, ** the [temp_store_directory pragma] always assumes that any string -** that this variable points to is held in memory obtained from +** that this variable points to is held in memory obtained from ** [sqlite3_malloc] and the pragma may attempt to free that memory ** using [sqlite3_free]. ** Hence, if this variable is modified directly, either it should be @@ -5817,7 +6063,7 @@ SQLITE_API SQLITE_EXTERN char *sqlite3_temp_directory; ** ^The [data_store_directory pragma] may modify this variable and cause ** it to point to memory obtained from [sqlite3_malloc]. ^Furthermore, ** the [data_store_directory pragma] always assumes that any string -** that this variable points to is held in memory obtained from +** that this variable points to is held in memory obtained from ** [sqlite3_malloc] and the pragma may attempt to free that memory ** using [sqlite3_free]. ** Hence, if this variable is modified directly, either it should be @@ -5902,16 +6148,31 @@ SQLITE_API sqlite3 *sqlite3_db_handle(sqlite3_stmt*); ** CAPI3REF: Return The Filename For A Database Connection ** METHOD: sqlite3 ** -** ^The sqlite3_db_filename(D,N) interface returns a pointer to a filename -** associated with database N of connection D. ^The main database file -** has the name "main". If there is no attached database N on the database +** ^The sqlite3_db_filename(D,N) interface returns a pointer to the filename +** associated with database N of connection D. +** ^If there is no attached database N on the database ** connection D, or if database N is a temporary or in-memory database, then ** this function will return either a NULL pointer or an empty string. ** +** ^The string value returned by this routine is owned and managed by +** the database connection. ^The value will be valid until the database N +** is [DETACH]-ed or until the database connection closes. +** ** ^The filename returned by this function is the output of the ** xFullPathname method of the [VFS]. ^In other words, the filename ** will be an absolute pathname, even if the filename used ** to open the database originally was a URI or relative pathname. +** +** If the filename pointer returned by this routine is not NULL, then it +** can be used as the filename input parameter to these routines: +** <ul> +** <li> [sqlite3_uri_parameter()] +** <li> [sqlite3_uri_boolean()] +** <li> [sqlite3_uri_int64()] +** <li> [sqlite3_filename_database()] +** <li> [sqlite3_filename_journal()] +** <li> [sqlite3_filename_wal()] +** </ul> */ SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName); @@ -6015,7 +6276,7 @@ SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); ** ^In the case of an update, this is the [rowid] after the update takes place. ** ** ^(The update hook is not invoked when internal system tables are -** modified (i.e. sqlite_master and sqlite_sequence).)^ +** modified (i.e. sqlite_sequence).)^ ** ^The update hook is not invoked when [WITHOUT ROWID] tables are modified. ** ** ^In the current implementation, the update hook @@ -6041,7 +6302,7 @@ SQLITE_API void *sqlite3_rollback_hook(sqlite3*, void(*)(void *), void*); ** and [sqlite3_preupdate_hook()] interfaces. */ SQLITE_API void *sqlite3_update_hook( - sqlite3*, + sqlite3*, void(*)(void *,int ,char const *,char const *,sqlite3_int64), void* ); @@ -6055,25 +6316,29 @@ SQLITE_API void *sqlite3_update_hook( ** and disabled if the argument is false.)^ ** ** ^Cache sharing is enabled and disabled for an entire process. -** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). +** This is a change as of SQLite [version 3.5.0] ([dateof:3.5.0]). ** In prior versions of SQLite, ** sharing was enabled or disabled for each thread separately. ** ** ^(The cache sharing mode set by this interface effects all subsequent ** calls to [sqlite3_open()], [sqlite3_open_v2()], and [sqlite3_open16()]. -** Existing database connections continue use the sharing mode +** Existing database connections continue to use the sharing mode ** that was in effect at the time they were opened.)^ ** ** ^(This routine returns [SQLITE_OK] if shared cache was enabled or disabled ** successfully. An [error code] is returned otherwise.)^ ** -** ^Shared cache is disabled by default. But this might change in -** future releases of SQLite. Applications that care about shared -** cache setting should set it explicitly. +** ^Shared cache is disabled by default. It is recommended that it stay +** that way. In other words, do not use this routine. This interface +** continues to be provided for historical compatibility, but its use is +** discouraged. Any use of shared cache is discouraged. If shared cache +** must be used, it is recommended that shared cache only be enabled for +** individual database connections using the [sqlite3_open_v2()] interface +** with the [SQLITE_OPEN_SHAREDCACHE] flag. ** ** Note: This method is disabled on MacOS X 10.7 and iOS version 5.0 -** and will always return SQLITE_MISUSE. On those systems, -** shared cache mode should be enabled per-database connection via +** and will always return SQLITE_MISUSE. On those systems, +** shared cache mode should be enabled per-database connection via ** [sqlite3_open_v2()] with [SQLITE_OPEN_SHAREDCACHE]. ** ** This interface is threadsafe on processors where writing a @@ -6116,6 +6381,9 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); /* ** CAPI3REF: Impose A Limit On Heap Size ** +** These interfaces impose limits on the amount of heap memory that will be +** by all database connections within a single process. +** ** ^The sqlite3_soft_heap_limit64() interface sets and/or queries the ** soft limit on the amount of heap memory that may be allocated by SQLite. ** ^SQLite strives to keep heap memory utilization below the soft heap @@ -6123,23 +6391,44 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); ** as heap memory usages approaches the limit. ** ^The soft heap limit is "soft" because even though SQLite strives to stay ** below the limit, it will exceed the limit rather than generate -** an [SQLITE_NOMEM] error. In other words, the soft heap limit +** an [SQLITE_NOMEM] error. In other words, the soft heap limit ** is advisory only. ** -** ^The return value from sqlite3_soft_heap_limit64() is the size of -** the soft heap limit prior to the call, or negative in the case of an -** error. ^If the argument N is negative -** then no change is made to the soft heap limit. Hence, the current -** size of the soft heap limit can be determined by invoking -** sqlite3_soft_heap_limit64() with a negative argument. -** -** ^If the argument N is zero then the soft heap limit is disabled. +** ^The sqlite3_hard_heap_limit64(N) interface sets a hard upper bound of +** N bytes on the amount of memory that will be allocated. ^The +** sqlite3_hard_heap_limit64(N) interface is similar to +** sqlite3_soft_heap_limit64(N) except that memory allocations will fail +** when the hard heap limit is reached. ** -** ^(The soft heap limit is not enforced in the current implementation +** ^The return value from both sqlite3_soft_heap_limit64() and +** sqlite3_hard_heap_limit64() is the size of +** the heap limit prior to the call, or negative in the case of an +** error. ^If the argument N is negative +** then no change is made to the heap limit. Hence, the current +** size of heap limits can be determined by invoking +** sqlite3_soft_heap_limit64(-1) or sqlite3_hard_heap_limit(-1). +** +** ^Setting the heap limits to zero disables the heap limiter mechanism. +** +** ^The soft heap limit may not be greater than the hard heap limit. +** ^If the hard heap limit is enabled and if sqlite3_soft_heap_limit(N) +** is invoked with a value of N that is greater than the hard heap limit, +** the the soft heap limit is set to the value of the hard heap limit. +** ^The soft heap limit is automatically enabled whenever the hard heap +** limit is enabled. ^When sqlite3_hard_heap_limit64(N) is invoked and +** the soft heap limit is outside the range of 1..N, then the soft heap +** limit is set to N. ^Invoking sqlite3_soft_heap_limit64(0) when the +** hard heap limit is enabled makes the soft heap limit equal to the +** hard heap limit. +** +** The memory allocation limits can also be adjusted using +** [PRAGMA soft_heap_limit] and [PRAGMA hard_heap_limit]. +** +** ^(The heap limits are not enforced in the current implementation ** if one or more of following conditions are true: ** ** <ul> -** <li> The soft heap limit is set to zero. +** <li> The limit value is set to zero. ** <li> Memory accounting is disabled using a combination of the ** [sqlite3_config]([SQLITE_CONFIG_MEMSTATUS],...) start-time option and ** the [SQLITE_DEFAULT_MEMSTATUS] compile-time option. @@ -6150,21 +6439,11 @@ SQLITE_API int sqlite3_db_release_memory(sqlite3*); ** from the heap. ** </ul>)^ ** -** Beginning with SQLite [version 3.7.3] ([dateof:3.7.3]), -** the soft heap limit is enforced -** regardless of whether or not the [SQLITE_ENABLE_MEMORY_MANAGEMENT] -** compile-time option is invoked. With [SQLITE_ENABLE_MEMORY_MANAGEMENT], -** the soft heap limit is enforced on every memory allocation. Without -** [SQLITE_ENABLE_MEMORY_MANAGEMENT], the soft heap limit is only enforced -** when memory is allocated by the page cache. Testing suggests that because -** the page cache is the predominate memory user in SQLite, most -** applications will achieve adequate soft heap limit enforcement without -** the use of [SQLITE_ENABLE_MEMORY_MANAGEMENT]. -** -** The circumstances under which SQLite will enforce the soft heap limit may +** The circumstances under which SQLite will enforce the heap limits may ** changes in future releases of SQLite. */ SQLITE_API sqlite3_int64 sqlite3_soft_heap_limit64(sqlite3_int64 N); +SQLITE_API sqlite3_int64 sqlite3_hard_heap_limit64(sqlite3_int64 N); /* ** CAPI3REF: Deprecated Soft Heap Limit Interface @@ -6188,7 +6467,7 @@ SQLITE_API SQLITE_DEPRECATED void sqlite3_soft_heap_limit(int N); ** interface returns SQLITE_OK and fills in the non-NULL pointers in ** the final five arguments with appropriate values if the specified ** column exists. ^The sqlite3_table_column_metadata() interface returns -** SQLITE_ERROR and if the specified column does not exist. +** SQLITE_ERROR if the specified column does not exist. ** ^If the column-name parameter to sqlite3_table_column_metadata() is a ** NULL pointer, then this routine simply checks for the existence of the ** table and returns SQLITE_OK if the table exists and SQLITE_ERROR if it @@ -6228,7 +6507,7 @@ SQLITE_API SQLITE_DEPRECATED void sqlite3_soft_heap_limit(int N); ** ** ^If the specified table is actually a view, an [error code] is returned. ** -** ^If the specified column is "rowid", "oid" or "_rowid_" and the table +** ^If the specified column is "rowid", "oid" or "_rowid_" and the table ** is not a [WITHOUT ROWID] table and an ** [INTEGER PRIMARY KEY] column has been explicitly declared, then the output ** parameters are set for the explicitly declared column. ^(If there is no @@ -6294,7 +6573,7 @@ SQLITE_API int sqlite3_table_column_metadata( ** prior to calling this API, ** otherwise an error will be returned. ** -** <b>Security warning:</b> It is recommended that the +** <b>Security warning:</b> It is recommended that the ** [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method be used to enable only this ** interface. The use of the [sqlite3_enable_load_extension()] interface ** should be avoided. This will keep the SQL function [load_extension()] @@ -6330,7 +6609,7 @@ SQLITE_API int sqlite3_load_extension( ** to enable or disable only the C-API.)^ ** ** <b>Security warning:</b> It is recommended that extension loading -** be disabled using the [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method +** be enabled using the [SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION] method ** rather than this interface, so the [load_extension()] SQL function ** remains disabled. This will prevent SQL injections from giving attackers ** access to extension loading capabilities. @@ -6381,7 +6660,7 @@ SQLITE_API int sqlite3_auto_extension(void(*xEntryPoint)(void)); ** ^The [sqlite3_cancel_auto_extension(X)] interface unregisters the ** initialization routine X that was registered using a prior call to ** [sqlite3_auto_extension(X)]. ^The [sqlite3_cancel_auto_extension(X)] -** routine returns 1 if initialization routine X was successfully +** routine returns 1 if initialization routine X was successfully ** unregistered and it returns 0 if X was not on the list of initialization ** routines. */ @@ -6416,8 +6695,8 @@ typedef struct sqlite3_module sqlite3_module; ** CAPI3REF: Virtual Table Object ** KEYWORDS: sqlite3_module {virtual table module} ** -** This structure, sometimes called a "virtual table module", -** defines the implementation of a [virtual tables]. +** This structure, sometimes called a "virtual table module", +** defines the implementation of a [virtual table]. ** This structure consists mostly of methods for the module. ** ** ^A virtual table module is created by filling in a persistent @@ -6456,7 +6735,7 @@ struct sqlite3_module { void (**pxFunc)(sqlite3_context*,int,sqlite3_value**), void **ppArg); int (*xRename)(sqlite3_vtab *pVtab, const char *zNew); - /* The methods above are in version 1 of the sqlite_module object. Those + /* The methods above are in version 1 of the sqlite_module object. Those ** below are for version 2 and greater. */ int (*xSavepoint)(sqlite3_vtab *pVTab, int); int (*xRelease)(sqlite3_vtab *pVTab, int); @@ -6506,7 +6785,7 @@ struct sqlite3_module { ** required by SQLite. If the table has at least 64 columns and any column ** to the right of the first 63 is required, then bit 63 of colUsed is also ** set. In other words, column iCol may be required if the expression -** (colUsed & ((sqlite3_uint64)1 << (iCol>=63 ? 63 : iCol))) evaluates to +** (colUsed & ((sqlite3_uint64)1 << (iCol>=63 ? 63 : iCol))) evaluates to ** non-zero. ** ** The [xBestIndex] method must fill aConstraintUsage[] with information @@ -6514,7 +6793,13 @@ struct sqlite3_module { ** the right-hand side of the corresponding aConstraint[] is evaluated ** and becomes the argvIndex-th entry in argv. ^(If aConstraintUsage[].omit ** is true, then the constraint is assumed to be fully handled by the -** virtual table and is not checked again by SQLite.)^ +** virtual table and might not be checked again by the byte code.)^ ^(The +** aConstraintUsage[].omit flag is an optimization hint. When the omit flag +** is left in its default setting of false, the constraint will always be +** checked separately in byte code. If the omit flag is change to true, then +** the constraint may or may not be checked in byte code. In other words, +** when the omit flag is true there is no guarantee that the constraint will +** not be checked again using byte code.)^ ** ** ^The idxNum and idxPtr values are recorded and passed into the ** [xFilter] method. @@ -6527,17 +6812,17 @@ struct sqlite3_module { ** ** ^The estimatedCost value is an estimate of the cost of a particular ** strategy. A cost of N indicates that the cost of the strategy is similar -** to a linear scan of an SQLite table with N rows. A cost of log(N) +** to a linear scan of an SQLite table with N rows. A cost of log(N) ** indicates that the expense of the operation is similar to that of a ** binary search on a unique indexed field of an SQLite table with N rows. ** ** ^The estimatedRows value is an estimate of the number of rows that ** will be returned by the strategy. ** -** The xBestIndex method may optionally populate the idxFlags field with a +** The xBestIndex method may optionally populate the idxFlags field with a ** mask of SQLITE_INDEX_SCAN_* flags. Currently there is only one such flag - ** SQLITE_INDEX_SCAN_UNIQUE. If the xBestIndex method sets this flag, SQLite -** assumes that the strategy may visit at most one row. +** assumes that the strategy may visit at most one row. ** ** Additionally, if xBestIndex sets the SQLITE_INDEX_SCAN_UNIQUE flag, then ** SQLite also assumes that if a call to the xUpdate() method is made as @@ -6550,14 +6835,14 @@ struct sqlite3_module { ** the xUpdate method are automatically rolled back by SQLite. ** ** IMPORTANT: The estimatedRows field was added to the sqlite3_index_info -** structure for SQLite [version 3.8.2] ([dateof:3.8.2]). +** structure for SQLite [version 3.8.2] ([dateof:3.8.2]). ** If a virtual table extension is -** used with an SQLite version earlier than 3.8.2, the results of attempting -** to read or write the estimatedRows field are undefined (but are likely -** to included crashing the application). The estimatedRows field should +** used with an SQLite version earlier than 3.8.2, the results of attempting +** to read or write the estimatedRows field are undefined (but are likely +** to include crashing the application). The estimatedRows field should ** therefore only be used if [sqlite3_libversion_number()] returns a ** value greater than or equal to 3008002. Similarly, the idxFlags field -** was added for [version 3.9.0] ([dateof:3.9.0]). +** was added for [version 3.9.0] ([dateof:3.9.0]). ** It may therefore only be used if ** sqlite3_libversion_number() returns a value greater than or equal to ** 3009000. @@ -6597,7 +6882,7 @@ struct sqlite3_index_info { /* ** CAPI3REF: Virtual Table Scan Flags ** -** Virtual table implementations are allowed to set the +** Virtual table implementations are allowed to set the ** [sqlite3_index_info].idxFlags field to some combination of ** these bits. */ @@ -6606,7 +6891,7 @@ struct sqlite3_index_info { /* ** CAPI3REF: Virtual Table Constraint Operator Codes ** -** These macros defined the allowed values for the +** These macros define the allowed values for the ** [sqlite3_index_info].aConstraint[].op field. Each value represents ** an operator that is part of a constraint term in the wHERE clause of ** a query that uses a [virtual table]. @@ -6637,7 +6922,7 @@ struct sqlite3_index_info { ** preexisting [virtual table] for the module. ** ** ^The module name is registered on the [database connection] specified -** by the first parameter. ^The name of the module is given by the +** by the first parameter. ^The name of the module is given by the ** second parameter. ^The third parameter is a pointer to ** the implementation of the [virtual table module]. ^The fourth ** parameter is an arbitrary client data pointer that is passed through @@ -6752,7 +7037,7 @@ SQLITE_API int sqlite3_declare_vtab(sqlite3*, const char *zSQL); ** METHOD: sqlite3 ** ** ^(Virtual tables can provide alternative implementations of functions -** using the [xFindFunction] method of the [virtual table module]. +** using the [xFindFunction] method of the [virtual table module]. ** But global versions of those functions ** must exist in order to be overloaded.)^ ** @@ -6803,7 +7088,7 @@ typedef struct sqlite3_blob sqlite3_blob; ** SELECT zColumn FROM zDb.zTable WHERE [rowid] = iRow; ** </pre>)^ ** -** ^(Parameter zDb is not the filename that contains the database, but +** ^(Parameter zDb is not the filename that contains the database, but ** rather the symbolic name of the database. For attached databases, this is ** the name that appears after the AS keyword in the [ATTACH] statement. ** For the main database file, the database name is "main". For TEMP @@ -6816,28 +7101,28 @@ typedef struct sqlite3_blob sqlite3_blob; ** ^(On success, [SQLITE_OK] is returned and the new [BLOB handle] is stored ** in *ppBlob. Otherwise an [error code] is returned and, unless the error ** code is SQLITE_MISUSE, *ppBlob is set to NULL.)^ ^This means that, provided -** the API is not misused, it is always safe to call [sqlite3_blob_close()] +** the API is not misused, it is always safe to call [sqlite3_blob_close()] ** on *ppBlob after this function it returns. ** ** This function fails with SQLITE_ERROR if any of the following are true: ** <ul> -** <li> ^(Database zDb does not exist)^, -** <li> ^(Table zTable does not exist within database zDb)^, -** <li> ^(Table zTable is a WITHOUT ROWID table)^, +** <li> ^(Database zDb does not exist)^, +** <li> ^(Table zTable does not exist within database zDb)^, +** <li> ^(Table zTable is a WITHOUT ROWID table)^, ** <li> ^(Column zColumn does not exist)^, ** <li> ^(Row iRow is not present in the table)^, ** <li> ^(The specified column of row iRow contains a value that is not ** a TEXT or BLOB value)^, -** <li> ^(Column zColumn is part of an index, PRIMARY KEY or UNIQUE +** <li> ^(Column zColumn is part of an index, PRIMARY KEY or UNIQUE ** constraint and the blob is being opened for read/write access)^, -** <li> ^([foreign key constraints | Foreign key constraints] are enabled, +** <li> ^([foreign key constraints | Foreign key constraints] are enabled, ** column zColumn is part of a [child key] definition and the blob is ** being opened for read/write access)^. ** </ul> ** -** ^Unless it returns SQLITE_MISUSE, this function sets the -** [database connection] error code and message accessible via -** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. +** ^Unless it returns SQLITE_MISUSE, this function sets the +** [database connection] error code and message accessible via +** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. ** ** A BLOB referenced by sqlite3_blob_open() may be read using the ** [sqlite3_blob_read()] interface and modified by using @@ -6863,7 +7148,7 @@ typedef struct sqlite3_blob sqlite3_blob; ** blob. ** ** ^The [sqlite3_bind_zeroblob()] and [sqlite3_result_zeroblob()] interfaces -** and the built-in [zeroblob] SQL function may be used to create a +** and the built-in [zeroblob] SQL function may be used to create a ** zero-filled blob to read or write using the incremental-blob interface. ** ** To avoid a resource leak, every open [BLOB handle] should eventually @@ -6913,7 +7198,7 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *, sqlite3_int64); ** DESTRUCTOR: sqlite3_blob ** ** ^This function closes an open [BLOB handle]. ^(The BLOB handle is closed -** unconditionally. Even if this routine returns an error code, the +** unconditionally. Even if this routine returns an error code, the ** handle is still closed.)^ ** ** ^If the blob handle being closed was opened for read-write access, and if @@ -6923,10 +7208,10 @@ SQLITE_API int sqlite3_blob_reopen(sqlite3_blob *, sqlite3_int64); ** code is returned and the transaction rolled back. ** ** Calling this function with an argument that is not a NULL pointer or an -** open blob handle results in undefined behaviour. ^Calling this routine -** with a null pointer (such as would be returned by a failed call to +** open blob handle results in undefined behaviour. ^Calling this routine +** with a null pointer (such as would be returned by a failed call to ** [sqlite3_blob_open()]) is a harmless no-op. ^Otherwise, if this function -** is passed a valid open blob handle, the values returned by the +** is passed a valid open blob handle, the values returned by the ** sqlite3_errcode() and sqlite3_errmsg() functions are set before returning. */ SQLITE_API int sqlite3_blob_close(sqlite3_blob *); @@ -6935,7 +7220,7 @@ SQLITE_API int sqlite3_blob_close(sqlite3_blob *); ** CAPI3REF: Return The Size Of An Open BLOB ** METHOD: sqlite3_blob ** -** ^Returns the size in bytes of the BLOB accessible via the +** ^Returns the size in bytes of the BLOB accessible via the ** successfully opened [BLOB handle] in its only argument. ^The ** incremental blob I/O routines can only read or overwriting existing ** blob content; they cannot change the size of a blob. @@ -6986,9 +7271,9 @@ SQLITE_API int sqlite3_blob_read(sqlite3_blob *, void *Z, int N, int iOffset); ** ** ^(On success, sqlite3_blob_write() returns SQLITE_OK. ** Otherwise, an [error code] or an [extended error code] is returned.)^ -** ^Unless SQLITE_MISUSE is returned, this function sets the -** [database connection] error code and message accessible via -** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. +** ^Unless SQLITE_MISUSE is returned, this function sets the +** [database connection] error code and message accessible via +** [sqlite3_errcode()] and [sqlite3_errmsg()] and related functions. ** ** ^If the [BLOB handle] passed as the first argument was not opened for ** writing (the flags parameter to [sqlite3_blob_open()] was zero), @@ -6997,9 +7282,9 @@ SQLITE_API int sqlite3_blob_read(sqlite3_blob *, void *Z, int N, int iOffset); ** This function may only modify the contents of the BLOB; it is ** not possible to increase the size of a BLOB using this API. ** ^If offset iOffset is less than N bytes from the end of the BLOB, -** [SQLITE_ERROR] is returned and no data is written. The size of the -** BLOB (and hence the maximum value of N+iOffset) can be determined -** using the [sqlite3_blob_bytes()] interface. ^If N or iOffset are less +** [SQLITE_ERROR] is returned and no data is written. The size of the +** BLOB (and hence the maximum value of N+iOffset) can be determined +** using the [sqlite3_blob_bytes()] interface. ^If N or iOffset are less ** than zero [SQLITE_ERROR] is returned and no data is written. ** ** ^An attempt to write to an expired [BLOB handle] fails with an @@ -7093,7 +7378,7 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** <ul> ** <li> SQLITE_MUTEX_FAST ** <li> SQLITE_MUTEX_RECURSIVE -** <li> SQLITE_MUTEX_STATIC_MASTER +** <li> SQLITE_MUTEX_STATIC_MAIN ** <li> SQLITE_MUTEX_STATIC_MEM ** <li> SQLITE_MUTEX_STATIC_OPEN ** <li> SQLITE_MUTEX_STATIC_PRNG @@ -7151,7 +7436,7 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*); ** ^(Some systems (for example, Windows 95) do not support the operation ** implemented by sqlite3_mutex_try(). On those systems, sqlite3_mutex_try() ** will always return SQLITE_BUSY. The SQLite core only ever uses -** sqlite3_mutex_try() as an optimization so this is acceptable +** sqlite3_mutex_try() as an optimization so this is acceptable ** behavior.)^ ** ** ^The sqlite3_mutex_leave() routine exits a mutex that was @@ -7216,7 +7501,7 @@ SQLITE_API void sqlite3_mutex_leave(sqlite3_mutex*); ** The only difference is that the public sqlite3_XXX functions enumerated ** above silently ignore any invocations that pass a NULL pointer instead ** of a valid mutex handle. The implementations of the methods defined -** by this structure are not required to handle this case, the results +** by this structure are not required to handle this case. The results ** of passing a NULL pointer instead of a valid mutex handle are undefined ** (i.e. it is acceptable to provide an implementation that segfaults if ** it is passed a NULL pointer). @@ -7295,7 +7580,7 @@ SQLITE_API int sqlite3_mutex_notheld(sqlite3_mutex*); */ #define SQLITE_MUTEX_FAST 0 #define SQLITE_MUTEX_RECURSIVE 1 -#define SQLITE_MUTEX_STATIC_MASTER 2 +#define SQLITE_MUTEX_STATIC_MAIN 2 #define SQLITE_MUTEX_STATIC_MEM 3 /* sqlite3_malloc() */ #define SQLITE_MUTEX_STATIC_MEM2 4 /* NOT USED */ #define SQLITE_MUTEX_STATIC_OPEN 4 /* sqlite3BtreeOpen() */ @@ -7310,11 +7595,15 @@ SQLITE_API int sqlite3_mutex_notheld(sqlite3_mutex*); #define SQLITE_MUTEX_STATIC_VFS2 12 /* For use by extension VFS */ #define SQLITE_MUTEX_STATIC_VFS3 13 /* For use by application VFS */ +/* Legacy compatibility: */ +#define SQLITE_MUTEX_STATIC_MASTER 2 + + /* ** CAPI3REF: Retrieve the mutex for a database connection ** METHOD: sqlite3 ** -** ^This interface returns a pointer the [sqlite3_mutex] object that +** ^This interface returns a pointer the [sqlite3_mutex] object that ** serializes access to the [database connection] given in the argument ** when the [threading mode] is Serialized. ** ^If the [threading mode] is Single-thread or Multi-thread then this @@ -7341,7 +7630,7 @@ SQLITE_API sqlite3_mutex *sqlite3_db_mutex(sqlite3*); ** method becomes the return value of this routine. ** ** A few opcodes for [sqlite3_file_control()] are handled directly -** by the SQLite core and never invoke the +** by the SQLite core and never invoke the ** sqlite3_io_methods.xFileControl method. ** ^The [SQLITE_FCNTL_FILE_POINTER] value for the op parameter causes ** a pointer to the underlying [sqlite3_file] object to be written into @@ -7405,7 +7694,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); #define SQLITE_TESTCTRL_PENDING_BYTE 11 #define SQLITE_TESTCTRL_ASSERT 12 #define SQLITE_TESTCTRL_ALWAYS 13 -#define SQLITE_TESTCTRL_RESERVE 14 +#define SQLITE_TESTCTRL_RESERVE 14 /* NOT USED */ #define SQLITE_TESTCTRL_OPTIMIZATIONS 15 #define SQLITE_TESTCTRL_ISKEYWORD 16 /* NOT USED */ #define SQLITE_TESTCTRL_SCRATCHMALLOC 17 /* NOT USED */ @@ -7428,7 +7717,7 @@ SQLITE_API int sqlite3_test_control(int op, ...); /* ** CAPI3REF: SQL Keyword Checking ** -** These routines provide access to the set of SQL language keywords +** These routines provide access to the set of SQL language keywords ** recognized by SQLite. Applications can uses these routines to determine ** whether or not a specific identifier needs to be escaped (for example, ** by enclosing in double-quotes) so as not to confuse the parser. @@ -7500,14 +7789,14 @@ typedef struct sqlite3_str sqlite3_str; ** ** ^The [sqlite3_str_new(D)] interface allocates and initializes ** a new [sqlite3_str] object. To avoid memory leaks, the object returned by -** [sqlite3_str_new()] must be freed by a subsequent call to +** [sqlite3_str_new()] must be freed by a subsequent call to ** [sqlite3_str_finish(X)]. ** ** ^The [sqlite3_str_new(D)] interface always returns a pointer to a ** valid [sqlite3_str] object, though in the event of an out-of-memory ** error the returned object might be a special singleton that will -** silently reject new text, always return SQLITE_NOMEM from -** [sqlite3_str_errcode()], always return 0 for +** silently reject new text, always return SQLITE_NOMEM from +** [sqlite3_str_errcode()], always return 0 for ** [sqlite3_str_length()], and always return NULL from ** [sqlite3_str_finish(X)]. It is always safe to use the value ** returned by [sqlite3_str_new(D)] as the sqlite3_str parameter @@ -7543,9 +7832,9 @@ SQLITE_API char *sqlite3_str_finish(sqlite3_str*); ** These interfaces add content to an sqlite3_str object previously obtained ** from [sqlite3_str_new()]. ** -** ^The [sqlite3_str_appendf(X,F,...)] and +** ^The [sqlite3_str_appendf(X,F,...)] and ** [sqlite3_str_vappendf(X,F,V)] interfaces uses the [built-in printf] -** functionality of SQLite to append formatted text onto the end of +** functionality of SQLite to append formatted text onto the end of ** [sqlite3_str] object X. ** ** ^The [sqlite3_str_append(X,S,N)] method appends exactly N bytes from string S @@ -7562,7 +7851,7 @@ SQLITE_API char *sqlite3_str_finish(sqlite3_str*); ** ^This method can be used, for example, to add whitespace indentation. ** ** ^The [sqlite3_str_reset(X)] method resets the string under construction -** inside [sqlite3_str] object X back to zero bytes in length. +** inside [sqlite3_str] object X back to zero bytes in length. ** ** These methods do not return a result code. ^If an error occurs, that fact ** is recorded in the [sqlite3_str] object and can be recovered by a @@ -7664,7 +7953,7 @@ SQLITE_API int sqlite3_status64( ** <dd>This parameter records the largest memory allocation request ** handed to [sqlite3_malloc()] or [sqlite3_realloc()] (or their ** internal equivalents). Only the value returned in the -** *pHighwater parameter to [sqlite3_status()] is of interest. +** *pHighwater parameter to [sqlite3_status()] is of interest. ** The value written into the *pCurrent parameter is undefined.</dd>)^ ** ** [[SQLITE_STATUS_MALLOC_COUNT]] ^(<dt>SQLITE_STATUS_MALLOC_COUNT</dt> @@ -7673,11 +7962,11 @@ SQLITE_API int sqlite3_status64( ** ** [[SQLITE_STATUS_PAGECACHE_USED]] ^(<dt>SQLITE_STATUS_PAGECACHE_USED</dt> ** <dd>This parameter returns the number of pages used out of the -** [pagecache memory allocator] that was configured using +** [pagecache memory allocator] that was configured using ** [SQLITE_CONFIG_PAGECACHE]. The ** value returned is in pages, not in bytes.</dd>)^ ** -** [[SQLITE_STATUS_PAGECACHE_OVERFLOW]] +** [[SQLITE_STATUS_PAGECACHE_OVERFLOW]] ** ^(<dt>SQLITE_STATUS_PAGECACHE_OVERFLOW</dt> ** <dd>This parameter returns the number of bytes of page cache ** allocation which could not be satisfied by the [SQLITE_CONFIG_PAGECACHE] @@ -7689,8 +7978,8 @@ SQLITE_API int sqlite3_status64( ** ** [[SQLITE_STATUS_PAGECACHE_SIZE]] ^(<dt>SQLITE_STATUS_PAGECACHE_SIZE</dt> ** <dd>This parameter records the largest memory allocation request -** handed to [pagecache memory allocator]. Only the value returned in the -** *pHighwater parameter to [sqlite3_status()] is of interest. +** handed to the [pagecache memory allocator]. Only the value returned in the +** *pHighwater parameter to [sqlite3_status()] is of interest. ** The value written into the *pCurrent parameter is undefined.</dd>)^ ** ** [[SQLITE_STATUS_SCRATCH_USED]] <dt>SQLITE_STATUS_SCRATCH_USED</dt> @@ -7703,7 +7992,7 @@ SQLITE_API int sqlite3_status64( ** <dd>No longer used.</dd> ** ** [[SQLITE_STATUS_PARSER_STACK]] ^(<dt>SQLITE_STATUS_PARSER_STACK</dt> -** <dd>The *pHighwater parameter records the deepest parser stack. +** <dd>The *pHighwater parameter records the deepest parser stack. ** The *pCurrent value is undefined. The *pHighwater value is only ** meaningful if SQLite is compiled with [YYTRACKMAXSTACKDEPTH].</dd>)^ ** </dl> @@ -7725,12 +8014,12 @@ SQLITE_API int sqlite3_status64( ** CAPI3REF: Database Connection Status ** METHOD: sqlite3 ** -** ^This interface is used to retrieve runtime status information +** ^This interface is used to retrieve runtime status information ** about a single [database connection]. ^The first argument is the ** database connection object to be interrogated. ^The second argument ** is an integer constant, taken from the set of ** [SQLITE_DBSTATUS options], that -** determines the parameter to interrogate. The set of +** determines the parameter to interrogate. The set of ** [SQLITE_DBSTATUS options] is likely ** to grow in future releases of SQLite. ** @@ -7765,7 +8054,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** checked out.</dd>)^ ** ** [[SQLITE_DBSTATUS_LOOKASIDE_HIT]] ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_HIT</dt> -** <dd>This parameter returns the number malloc attempts that were +** <dd>This parameter returns the number of malloc attempts that were ** satisfied using lookaside memory. Only the high-water value is meaningful; ** the current value is always zero.)^ ** @@ -7790,7 +8079,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** memory used by all pager caches associated with the database connection.)^ ** ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_USED is always 0. ** -** [[SQLITE_DBSTATUS_CACHE_USED_SHARED]] +** [[SQLITE_DBSTATUS_CACHE_USED_SHARED]] ** ^(<dt>SQLITE_DBSTATUS_CACHE_USED_SHARED</dt> ** <dd>This parameter is similar to DBSTATUS_CACHE_USED, except that if a ** pager cache is shared between two or more connections the bytes of heap @@ -7805,7 +8094,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** [[SQLITE_DBSTATUS_SCHEMA_USED]] ^(<dt>SQLITE_DBSTATUS_SCHEMA_USED</dt> ** <dd>This parameter returns the approximate number of bytes of heap ** memory used to store the schema for all databases associated -** with the connection - main, temp, and any [ATTACH]-ed databases.)^ +** with the connection - main, temp, and any [ATTACH]-ed databases.)^ ** ^The full amount of memory used by the schemas is reported, even if the ** schema memory is shared with other database connections due to ** [shared cache mode] being enabled. @@ -7820,13 +8109,13 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** ** [[SQLITE_DBSTATUS_CACHE_HIT]] ^(<dt>SQLITE_DBSTATUS_CACHE_HIT</dt> ** <dd>This parameter returns the number of pager cache hits that have -** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_HIT +** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_HIT ** is always 0. ** </dd> ** ** [[SQLITE_DBSTATUS_CACHE_MISS]] ^(<dt>SQLITE_DBSTATUS_CACHE_MISS</dt> ** <dd>This parameter returns the number of pager cache misses that have -** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_MISS +** occurred.)^ ^The highwater mark associated with SQLITE_DBSTATUS_CACHE_MISS ** is always 0. ** </dd> ** @@ -7847,7 +8136,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** cache overflowing. Transactions are more efficient if they are written ** to disk all at once. When pages spill mid-transaction, that introduces ** additional overhead. This parameter can be used help identify -** inefficiencies that can be resolve by increasing the cache size. +** inefficiencies that can be resolved by increasing the cache size. ** </dd> ** ** [[SQLITE_DBSTATUS_DEFERRED_FKS]] ^(<dt>SQLITE_DBSTATUS_DEFERRED_FKS</dt> @@ -7884,7 +8173,7 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r ** statements. For example, if the number of table steps greatly exceeds ** the number of table searches or result rows, that would tend to indicate ** that the prepared statement is using a full table scan rather than -** an index. +** an index. ** ** ^(This interface is used to retrieve and reset counter values from ** a [prepared statement]. The first argument is the prepared statement @@ -7911,7 +8200,7 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); ** [[SQLITE_STMTSTATUS_FULLSCAN_STEP]] <dt>SQLITE_STMTSTATUS_FULLSCAN_STEP</dt> ** <dd>^This is the number of times that SQLite has stepped forward in ** a table as part of a full table scan. Large numbers for this counter -** may indicate opportunities for performance improvement through +** may indicate opportunities for performance improvement through ** careful use of indices.</dd> ** ** [[SQLITE_STMTSTATUS_SORT]] <dt>SQLITE_STMTSTATUS_SORT</dt> @@ -7929,14 +8218,14 @@ SQLITE_API int sqlite3_stmt_status(sqlite3_stmt*, int op,int resetFlg); ** [[SQLITE_STMTSTATUS_VM_STEP]] <dt>SQLITE_STMTSTATUS_VM_STEP</dt> ** <dd>^This is the number of virtual machine operations executed ** by the prepared statement if that number is less than or equal -** to 2147483647. The number of virtual machine operations can be +** to 2147483647. The number of virtual machine operations can be ** used as a proxy for the total work done by the prepared statement. ** If the number of virtual machine operations exceeds 2147483647 ** then the value returned by this statement status code is undefined. ** ** [[SQLITE_STMTSTATUS_REPREPARE]] <dt>SQLITE_STMTSTATUS_REPREPARE</dt> ** <dd>^This is the number of times that the prepare statement has been -** automatically regenerated due to schema changes or change to +** automatically regenerated due to schema changes or changes to ** [bound parameters] that might affect the query plan. ** ** [[SQLITE_STMTSTATUS_RUN]] <dt>SQLITE_STMTSTATUS_RUN</dt> @@ -7996,15 +8285,15 @@ struct sqlite3_pcache_page { ** KEYWORDS: {page cache} ** ** ^(The [sqlite3_config]([SQLITE_CONFIG_PCACHE2], ...) interface can -** register an alternative page cache implementation by passing in an +** register an alternative page cache implementation by passing in an ** instance of the sqlite3_pcache_methods2 structure.)^ -** In many applications, most of the heap memory allocated by +** In many applications, most of the heap memory allocated by ** SQLite is used for the page cache. -** By implementing a +** By implementing a ** custom page cache using this API, an application can better control -** the amount of memory consumed by SQLite, the way in which -** that memory is allocated and released, and the policies used to -** determine exactly which parts of a database file are cached and for +** the amount of memory consumed by SQLite, the way in which +** that memory is allocated and released, and the policies used to +** determine exactly which parts of a database file are cached and for ** how long. ** ** The alternative page cache mechanism is an @@ -8017,19 +8306,19 @@ struct sqlite3_pcache_page { ** [sqlite3_config()] returns.)^ ** ** [[the xInit() page cache method]] -** ^(The xInit() method is called once for each effective +** ^(The xInit() method is called once for each effective ** call to [sqlite3_initialize()])^ ** (usually only once during the lifetime of the process). ^(The xInit() ** method is passed a copy of the sqlite3_pcache_methods2.pArg value.)^ -** The intent of the xInit() method is to set up global data structures -** required by the custom page cache implementation. -** ^(If the xInit() method is NULL, then the +** The intent of the xInit() method is to set up global data structures +** required by the custom page cache implementation. +** ^(If the xInit() method is NULL, then the ** built-in default page cache is used instead of the application defined ** page cache.)^ ** ** [[the xShutdown() page cache method]] ** ^The xShutdown() method is called by [sqlite3_shutdown()]. -** It can be used to clean up +** It can be used to clean up ** any outstanding resources before process shutdown, if required. ** ^The xShutdown() method may be NULL. ** @@ -8048,7 +8337,7 @@ struct sqlite3_pcache_page { ** though this is not guaranteed. ^The ** first parameter, szPage, is the size in bytes of the pages that must ** be allocated by the cache. ^szPage will always a power of two. ^The -** second parameter szExtra is a number of bytes of extra storage +** second parameter szExtra is a number of bytes of extra storage ** associated with each page cache entry. ^The szExtra parameter will ** a number less than 250. SQLite will use the ** extra szExtra bytes on each page to store metadata about the underlying @@ -8061,7 +8350,7 @@ struct sqlite3_pcache_page { ** it is purely advisory. ^On a cache where bPurgeable is false, SQLite will ** never invoke xUnpin() except to deliberately delete a page. ** ^In other words, calls to xUnpin() on a cache with bPurgeable set to -** false will always have the "discard" flag set to true. +** false will always have the "discard" flag set to true. ** ^Hence, a cache created with bPurgeable false will ** never contain any unpinned pages. ** @@ -8076,12 +8365,12 @@ struct sqlite3_pcache_page { ** [[the xPagecount() page cache methods]] ** The xPagecount() method must return the number of pages currently ** stored in the cache, both pinned and unpinned. -** +** ** [[the xFetch() page cache methods]] -** The xFetch() method locates a page in the cache and returns a pointer to +** The xFetch() method locates a page in the cache and returns a pointer to ** an sqlite3_pcache_page object associated with that page, or a NULL pointer. ** The pBuf element of the returned sqlite3_pcache_page object will be a -** pointer to a buffer of szPage bytes used to store the content of a +** pointer to a buffer of szPage bytes used to store the content of a ** single database page. The pExtra element of sqlite3_pcache_page will be ** a pointer to the szExtra bytes of extra storage that SQLite has requested ** for each entry in the page cache. @@ -8107,7 +8396,7 @@ struct sqlite3_pcache_page { ** ** ^(SQLite will normally invoke xFetch() with a createFlag of 0 or 1. SQLite ** will only use a createFlag of 2 after a prior call with a createFlag of 1 -** failed.)^ In between the to xFetch() calls, SQLite may +** failed.)^ In between the xFetch() calls, SQLite may ** attempt to unpin one or more cache pages by spilling the content of ** pinned pages to disk and synching the operating system disk cache. ** @@ -8120,8 +8409,8 @@ struct sqlite3_pcache_page { ** page cache implementation. ^The page cache implementation ** may choose to evict unpinned pages at any time. ** -** The cache must not perform any reference counting. A single -** call to xUnpin() unpins the page regardless of the number of prior calls +** The cache must not perform any reference counting. A single +** call to xUnpin() unpins the page regardless of the number of prior calls ** to xFetch(). ** ** [[the xRekey() page cache methods]] @@ -8161,7 +8450,7 @@ struct sqlite3_pcache_methods2 { int (*xPagecount)(sqlite3_pcache*); sqlite3_pcache_page *(*xFetch)(sqlite3_pcache*, unsigned key, int createFlag); void (*xUnpin)(sqlite3_pcache*, sqlite3_pcache_page*, int discard); - void (*xRekey)(sqlite3_pcache*, sqlite3_pcache_page*, + void (*xRekey)(sqlite3_pcache*, sqlite3_pcache_page*, unsigned oldKey, unsigned newKey); void (*xTruncate)(sqlite3_pcache*, unsigned iLimit); void (*xDestroy)(sqlite3_pcache*); @@ -8206,7 +8495,7 @@ typedef struct sqlite3_backup sqlite3_backup; ** ** The backup API copies the content of one database into another. ** It is useful either for creating backups of databases or -** for copying in-memory databases to or from persistent files. +** for copying in-memory databases to or from persistent files. ** ** See Also: [Using the SQLite Online Backup API] ** @@ -8217,36 +8506,36 @@ typedef struct sqlite3_backup sqlite3_backup; ** ^Thus, the backup may be performed on a live source database without ** preventing other database connections from ** reading or writing to the source database while the backup is underway. -** -** ^(To perform a backup operation: +** +** ^(To perform a backup operation: ** <ol> ** <li><b>sqlite3_backup_init()</b> is called once to initialize the -** backup, -** <li><b>sqlite3_backup_step()</b> is called one or more times to transfer +** backup, +** <li><b>sqlite3_backup_step()</b> is called one or more times to transfer ** the data between the two databases, and finally -** <li><b>sqlite3_backup_finish()</b> is called to release all resources -** associated with the backup operation. +** <li><b>sqlite3_backup_finish()</b> is called to release all resources +** associated with the backup operation. ** </ol>)^ ** There should be exactly one call to sqlite3_backup_finish() for each ** successful call to sqlite3_backup_init(). ** ** [[sqlite3_backup_init()]] <b>sqlite3_backup_init()</b> ** -** ^The D and N arguments to sqlite3_backup_init(D,N,S,M) are the -** [database connection] associated with the destination database +** ^The D and N arguments to sqlite3_backup_init(D,N,S,M) are the +** [database connection] associated with the destination database ** and the database name, respectively. ** ^The database name is "main" for the main database, "temp" for the ** temporary database, or the name specified after the AS keyword in ** an [ATTACH] statement for an attached database. -** ^The S and M arguments passed to +** ^The S and M arguments passed to ** sqlite3_backup_init(D,N,S,M) identify the [database connection] ** and database name of the source database, respectively. ** ^The source and destination [database connections] (parameters S and D) ** must be different or else sqlite3_backup_init(D,N,S,M) will fail with ** an error. ** -** ^A call to sqlite3_backup_init() will fail, returning NULL, if -** there is already a read or read-write transaction open on the +** ^A call to sqlite3_backup_init() will fail, returning NULL, if +** there is already a read or read-write transaction open on the ** destination database. ** ** ^If an error occurs within sqlite3_backup_init(D,N,S,M), then NULL is @@ -8258,14 +8547,14 @@ typedef struct sqlite3_backup sqlite3_backup; ** ^A successful call to sqlite3_backup_init() returns a pointer to an ** [sqlite3_backup] object. ** ^The [sqlite3_backup] object may be used with the sqlite3_backup_step() and -** sqlite3_backup_finish() functions to perform the specified backup +** sqlite3_backup_finish() functions to perform the specified backup ** operation. ** ** [[sqlite3_backup_step()]] <b>sqlite3_backup_step()</b> ** -** ^Function sqlite3_backup_step(B,N) will copy up to N pages between +** ^Function sqlite3_backup_step(B,N) will copy up to N pages between ** the source and destination databases specified by [sqlite3_backup] object B. -** ^If N is negative, all remaining source pages are copied. +** ^If N is negative, all remaining source pages are copied. ** ^If sqlite3_backup_step(B,N) successfully copies N pages and there ** are still more pages to be copied, then the function returns [SQLITE_OK]. ** ^If sqlite3_backup_step(B,N) successfully finishes copying all pages @@ -8287,8 +8576,8 @@ typedef struct sqlite3_backup sqlite3_backup; ** ** ^If sqlite3_backup_step() cannot obtain a required file-system lock, then ** the [sqlite3_busy_handler | busy-handler function] -** is invoked (if one is specified). ^If the -** busy-handler returns non-zero before the lock is available, then +** is invoked (if one is specified). ^If the +** busy-handler returns non-zero before the lock is available, then ** [SQLITE_BUSY] is returned to the caller. ^In this case the call to ** sqlite3_backup_step() can be retried later. ^If the source ** [database connection] @@ -8296,15 +8585,15 @@ typedef struct sqlite3_backup sqlite3_backup; ** is called, then [SQLITE_LOCKED] is returned immediately. ^Again, in this ** case the call to sqlite3_backup_step() can be retried later on. ^(If ** [SQLITE_IOERR_ACCESS | SQLITE_IOERR_XXX], [SQLITE_NOMEM], or -** [SQLITE_READONLY] is returned, then -** there is no point in retrying the call to sqlite3_backup_step(). These -** errors are considered fatal.)^ The application must accept -** that the backup operation has failed and pass the backup operation handle +** [SQLITE_READONLY] is returned, then +** there is no point in retrying the call to sqlite3_backup_step(). These +** errors are considered fatal.)^ The application must accept +** that the backup operation has failed and pass the backup operation handle ** to the sqlite3_backup_finish() to release associated resources. ** ** ^The first call to sqlite3_backup_step() obtains an exclusive lock -** on the destination file. ^The exclusive lock is not released until either -** sqlite3_backup_finish() is called or the backup operation is complete +** on the destination file. ^The exclusive lock is not released until either +** sqlite3_backup_finish() is called or the backup operation is complete ** and sqlite3_backup_step() returns [SQLITE_DONE]. ^Every call to ** sqlite3_backup_step() obtains a [shared lock] on the source database that ** lasts for the duration of the sqlite3_backup_step() call. @@ -8313,18 +8602,18 @@ typedef struct sqlite3_backup sqlite3_backup; ** through the backup process. ^If the source database is modified by an ** external process or via a database connection other than the one being ** used by the backup operation, then the backup will be automatically -** restarted by the next call to sqlite3_backup_step(). ^If the source +** restarted by the next call to sqlite3_backup_step(). ^If the source ** database is modified by the using the same database connection as is used ** by the backup operation, then the backup database is automatically ** updated at the same time. ** ** [[sqlite3_backup_finish()]] <b>sqlite3_backup_finish()</b> ** -** When sqlite3_backup_step() has returned [SQLITE_DONE], or when the +** When sqlite3_backup_step() has returned [SQLITE_DONE], or when the ** application wishes to abandon the backup operation, the application ** should destroy the [sqlite3_backup] by passing it to sqlite3_backup_finish(). ** ^The sqlite3_backup_finish() interfaces releases all -** resources associated with the [sqlite3_backup] object. +** resources associated with the [sqlite3_backup] object. ** ^If sqlite3_backup_step() has not yet returned [SQLITE_DONE], then any ** active write-transaction on the destination database is rolled back. ** The [sqlite3_backup] object is invalid @@ -8364,8 +8653,8 @@ typedef struct sqlite3_backup sqlite3_backup; ** connections, then the source database connection may be used concurrently ** from within other threads. ** -** However, the application must guarantee that the destination -** [database connection] is not passed to any other API (by any thread) after +** However, the application must guarantee that the destination +** [database connection] is not passed to any other API (by any thread) after ** sqlite3_backup_init() is called and before the corresponding call to ** sqlite3_backup_finish(). SQLite does not currently check to see ** if the application incorrectly accesses the destination [database connection] @@ -8376,11 +8665,11 @@ typedef struct sqlite3_backup sqlite3_backup; ** If running in [shared cache mode], the application must ** guarantee that the shared cache used by the destination database ** is not accessed while the backup is running. In practice this means -** that the application must guarantee that the disk file being +** that the application must guarantee that the disk file being ** backed up to is not accessed by any connection within the process, ** not just the specific connection that was passed to sqlite3_backup_init(). ** -** The [sqlite3_backup] object itself is partially threadsafe. Multiple +** The [sqlite3_backup] object itself is partially threadsafe. Multiple ** threads may safely make multiple concurrent calls to sqlite3_backup_step(). ** However, the sqlite3_backup_remaining() and sqlite3_backup_pagecount() ** APIs are not strictly speaking threadsafe. If they are invoked at the @@ -8405,8 +8694,8 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ^When running in shared-cache mode, a database operation may fail with ** an [SQLITE_LOCKED] error if the required locks on the shared-cache or ** individual tables within the shared-cache cannot be obtained. See -** [SQLite Shared-Cache Mode] for a description of shared-cache locking. -** ^This API may be used to register a callback that SQLite will invoke +** [SQLite Shared-Cache Mode] for a description of shared-cache locking. +** ^This API may be used to register a callback that SQLite will invoke ** when the connection currently holding the required lock relinquishes it. ** ^This API is only available if the library was compiled with the ** [SQLITE_ENABLE_UNLOCK_NOTIFY] C-preprocessor symbol defined. @@ -8414,18 +8703,18 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** See Also: [Using the SQLite Unlock Notification Feature]. ** ** ^Shared-cache locks are released when a database connection concludes -** its current transaction, either by committing it or rolling it back. +** its current transaction, either by committing it or rolling it back. ** ** ^When a connection (known as the blocked connection) fails to obtain a ** shared-cache lock and SQLITE_LOCKED is returned to the caller, the ** identity of the database connection (the blocking connection) that -** has locked the required resource is stored internally. ^After an +** has locked the required resource is stored internally. ^After an ** application receives an SQLITE_LOCKED error, it may call the -** sqlite3_unlock_notify() method with the blocked connection handle as +** sqlite3_unlock_notify() method with the blocked connection handle as ** the first argument to register for a callback that will be invoked ** when the blocking connections current transaction is concluded. ^The ** callback is invoked from within the [sqlite3_step] or [sqlite3_close] -** call that concludes the blocking connections transaction. +** call that concludes the blocking connection's transaction. ** ** ^(If sqlite3_unlock_notify() is called in a multi-threaded application, ** there is a chance that the blocking connection will have already @@ -8435,15 +8724,15 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ** ^If the blocked connection is attempting to obtain a write-lock on a ** shared-cache table, and more than one other connection currently holds -** a read-lock on the same table, then SQLite arbitrarily selects one of +** a read-lock on the same table, then SQLite arbitrarily selects one of ** the other connections to use as the blocking connection. ** -** ^(There may be at most one unlock-notify callback registered by a +** ^(There may be at most one unlock-notify callback registered by a ** blocked connection. If sqlite3_unlock_notify() is called when the ** blocked connection already has a registered unlock-notify callback, ** then the new callback replaces the old.)^ ^If sqlite3_unlock_notify() is ** called with a NULL pointer as its second argument, then any existing -** unlock-notify callback is canceled. ^The blocked connections +** unlock-notify callback is canceled. ^The blocked connections ** unlock-notify callback may also be canceled by closing the blocked ** connection using [sqlite3_close()]. ** @@ -8456,25 +8745,25 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ** <b>Callback Invocation Details</b> ** -** When an unlock-notify callback is registered, the application provides a +** When an unlock-notify callback is registered, the application provides a ** single void* pointer that is passed to the callback when it is invoked. ** However, the signature of the callback function allows SQLite to pass ** it an array of void* context pointers. The first argument passed to ** an unlock-notify callback is a pointer to an array of void* pointers, ** and the second is the number of entries in the array. ** -** When a blocking connections transaction is concluded, there may be +** When a blocking connection's transaction is concluded, there may be ** more than one blocked connection that has registered for an unlock-notify ** callback. ^If two or more such blocked connections have specified the ** same callback function, then instead of invoking the callback function ** multiple times, it is invoked once with the set of void* context pointers ** specified by the blocked connections bundled together into an array. -** This gives the application an opportunity to prioritize any actions +** This gives the application an opportunity to prioritize any actions ** related to the set of unblocked database connections. ** ** <b>Deadlock Detection</b> ** -** Assuming that after registering for an unlock-notify callback a +** Assuming that after registering for an unlock-notify callback a ** database waits for the callback to be issued before taking any further ** action (a reasonable assumption), then using this API may cause the ** application to deadlock. For example, if connection X is waiting for @@ -8497,7 +8786,7 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** ** <b>The "DROP TABLE" Exception</b> ** -** When a call to [sqlite3_step()] returns SQLITE_LOCKED, it is almost +** When a call to [sqlite3_step()] returns SQLITE_LOCKED, it is almost ** always appropriate to call sqlite3_unlock_notify(). There is however, ** one exception. When executing a "DROP TABLE" or "DROP INDEX" statement, ** SQLite checks if there are any currently executing SELECT statements @@ -8510,7 +8799,7 @@ SQLITE_API int sqlite3_backup_pagecount(sqlite3_backup *p); ** One way around this problem is to check the extended error code returned ** by an sqlite3_step() call. ^(If there is a blocking connection, then the ** extended error code is set to SQLITE_LOCKED_SHAREDCACHE. Otherwise, in -** the special "DROP TABLE/INDEX" case, the extended error code is just +** the special "DROP TABLE/INDEX" case, the extended error code is just ** SQLITE_LOCKED.)^ */ SQLITE_API int sqlite3_unlock_notify( @@ -8601,8 +8890,8 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** ^The [sqlite3_wal_hook()] function is used to register a callback that ** is invoked each time data is committed to a database in wal mode. ** -** ^(The callback is invoked by SQLite after the commit has taken place and -** the associated write-lock on the database released)^, so the implementation +** ^(The callback is invoked by SQLite after the commit has taken place and +** the associated write-lock on the database released)^, so the implementation ** may read, write or [checkpoint] the database as required. ** ** ^The first parameter passed to the callback function when it is invoked @@ -8621,7 +8910,7 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** that does not correspond to any valid SQLite error code, the results ** are undefined. ** -** A single database handle may have at most a single write-ahead log callback +** A single database handle may have at most a single write-ahead log callback ** registered at one time. ^Calling [sqlite3_wal_hook()] replaces any ** previously registered write-ahead log callback. ^Note that the ** [sqlite3_wal_autocheckpoint()] interface and the @@ -8629,7 +8918,7 @@ SQLITE_API void sqlite3_log(int iErrCode, const char *zFormat, ...); ** overwrite any prior [sqlite3_wal_hook()] settings. */ SQLITE_API void *sqlite3_wal_hook( - sqlite3*, + sqlite3*, int(*)(void *,sqlite3*,const char*,int), void* ); @@ -8642,7 +8931,7 @@ SQLITE_API void *sqlite3_wal_hook( ** [sqlite3_wal_hook()] that causes any database on [database connection] D ** to automatically [checkpoint] ** after committing a transaction if there are N or -** more frames in the [write-ahead log] file. ^Passing zero or +** more frames in the [write-ahead log] file. ^Passing zero or ** a negative value as the nFrame parameter disables automatic ** checkpoints entirely. ** @@ -8672,7 +8961,7 @@ SQLITE_API int sqlite3_wal_autocheckpoint(sqlite3 *db, int N); ** ^(The sqlite3_wal_checkpoint(D,X) is equivalent to ** [sqlite3_wal_checkpoint_v2](D,X,[SQLITE_CHECKPOINT_PASSIVE],0,0).)^ ** -** In brief, sqlite3_wal_checkpoint(D,X) causes the content in the +** In brief, sqlite3_wal_checkpoint(D,X) causes the content in the ** [write-ahead log] for database X on [database connection] D to be ** transferred into the database file and for the write-ahead log to ** be reset. See the [checkpointing] documentation for addition @@ -8698,10 +8987,10 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb); ** ** <dl> ** <dt>SQLITE_CHECKPOINT_PASSIVE<dd> -** ^Checkpoint as many frames as possible without waiting for any database -** readers or writers to finish, then sync the database file if all frames +** ^Checkpoint as many frames as possible without waiting for any database +** readers or writers to finish, then sync the database file if all frames ** in the log were checkpointed. ^The [busy-handler callback] -** is never invoked in the SQLITE_CHECKPOINT_PASSIVE mode. +** is never invoked in the SQLITE_CHECKPOINT_PASSIVE mode. ** ^On the other hand, passive mode might leave the checkpoint unfinished ** if there are concurrent readers or writers. ** @@ -8715,9 +9004,9 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb); ** ** <dt>SQLITE_CHECKPOINT_RESTART<dd> ** ^This mode works the same way as SQLITE_CHECKPOINT_FULL with the addition -** that after checkpointing the log file it blocks (calls the +** that after checkpointing the log file it blocks (calls the ** [busy-handler callback]) -** until all readers are reading from the database file only. ^This ensures +** until all readers are reading from the database file only. ^This ensures ** that the next writer will restart the log file from the beginning. ** ^Like SQLITE_CHECKPOINT_FULL, this mode blocks new ** database writer attempts while it is pending, but does not impede readers. @@ -8739,31 +9028,31 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb); ** truncated to zero bytes and so both *pnLog and *pnCkpt will be set to zero. ** ** ^All calls obtain an exclusive "checkpoint" lock on the database file. ^If -** any other process is running a checkpoint operation at the same time, the -** lock cannot be obtained and SQLITE_BUSY is returned. ^Even if there is a +** any other process is running a checkpoint operation at the same time, the +** lock cannot be obtained and SQLITE_BUSY is returned. ^Even if there is a ** busy-handler configured, it will not be invoked in this case. ** -** ^The SQLITE_CHECKPOINT_FULL, RESTART and TRUNCATE modes also obtain the +** ^The SQLITE_CHECKPOINT_FULL, RESTART and TRUNCATE modes also obtain the ** exclusive "writer" lock on the database file. ^If the writer lock cannot be ** obtained immediately, and a busy-handler is configured, it is invoked and ** the writer lock retried until either the busy-handler returns 0 or the lock ** is successfully obtained. ^The busy-handler is also invoked while waiting for ** database readers as described above. ^If the busy-handler returns 0 before ** the writer lock is obtained or while waiting for database readers, the -** checkpoint operation proceeds from that point in the same way as -** SQLITE_CHECKPOINT_PASSIVE - checkpointing as many frames as possible +** checkpoint operation proceeds from that point in the same way as +** SQLITE_CHECKPOINT_PASSIVE - checkpointing as many frames as possible ** without blocking any further. ^SQLITE_BUSY is returned in this case. ** ** ^If parameter zDb is NULL or points to a zero length string, then the -** specified operation is attempted on all WAL databases [attached] to +** specified operation is attempted on all WAL databases [attached] to ** [database connection] db. In this case the -** values written to output parameters *pnLog and *pnCkpt are undefined. ^If -** an SQLITE_BUSY error is encountered when processing one or more of the -** attached WAL databases, the operation is still attempted on any remaining -** attached databases and SQLITE_BUSY is returned at the end. ^If any other -** error occurs while processing an attached database, processing is abandoned -** and the error code is returned to the caller immediately. ^If no error -** (SQLITE_BUSY or otherwise) is encountered while processing the attached +** values written to output parameters *pnLog and *pnCkpt are undefined. ^If +** an SQLITE_BUSY error is encountered when processing one or more of the +** attached WAL databases, the operation is still attempted on any remaining +** attached databases and SQLITE_BUSY is returned at the end. ^If any other +** error occurs while processing an attached database, processing is abandoned +** and the error code is returned to the caller immediately. ^If no error +** (SQLITE_BUSY or otherwise) is encountered while processing the attached ** databases, SQLITE_OK is returned. ** ** ^If database zDb is the name of an attached database that is not in WAL @@ -8811,14 +9100,20 @@ SQLITE_API int sqlite3_wal_checkpoint_v2( ** If this interface is invoked outside the context of an xConnect or ** xCreate virtual table method then the behavior is undefined. ** -** At present, there is only one option that may be configured using -** this function. (See [SQLITE_VTAB_CONSTRAINT_SUPPORT].) Further options -** may be added in the future. +** In the call sqlite3_vtab_config(D,C,...) the D parameter is the +** [database connection] in which the virtual table is being created and +** which is passed in as the first argument to the [xConnect] or [xCreate] +** method that is invoking sqlite3_vtab_config(). The C parameter is one +** of the [virtual table configuration options]. The presence and meaning +** of parameters after C depend on which [virtual table configuration option] +** is used. */ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); /* ** CAPI3REF: Virtual Table Configuration Options +** KEYWORDS: {virtual table configuration options} +** KEYWORDS: {virtual table configuration option} ** ** These macros define the various options to the ** [sqlite3_vtab_config()] interface that [virtual table] implementations @@ -8826,7 +9121,7 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** ** <dl> ** [[SQLITE_VTAB_CONSTRAINT_SUPPORT]] -** <dt>SQLITE_VTAB_CONSTRAINT_SUPPORT +** <dt>SQLITE_VTAB_CONSTRAINT_SUPPORT</dt> ** <dd>Calls of the form ** [sqlite3_vtab_config](db,SQLITE_VTAB_CONSTRAINT_SUPPORT,X) are supported, ** where X is an integer. If X is zero, then the [virtual table] whose @@ -8840,24 +9135,46 @@ SQLITE_API int sqlite3_vtab_config(sqlite3*, int op, ...); ** If X is non-zero, then the virtual table implementation guarantees ** that if [xUpdate] returns [SQLITE_CONSTRAINT], it will do so before ** any modifications to internal or persistent data structures have been made. -** If the [ON CONFLICT] mode is ABORT, FAIL, IGNORE or ROLLBACK, SQLite +** If the [ON CONFLICT] mode is ABORT, FAIL, IGNORE or ROLLBACK, SQLite ** is able to roll back a statement or database transaction, and abandon -** or continue processing the current SQL statement as appropriate. +** or continue processing the current SQL statement as appropriate. ** If the ON CONFLICT mode is REPLACE and the [xUpdate] method returns ** [SQLITE_CONSTRAINT], SQLite handles this as if the ON CONFLICT mode ** had been ABORT. ** ** Virtual table implementations that are required to handle OR REPLACE -** must do so within the [xUpdate] method. If a call to the -** [sqlite3_vtab_on_conflict()] function indicates that the current ON -** CONFLICT policy is REPLACE, the virtual table implementation should +** must do so within the [xUpdate] method. If a call to the +** [sqlite3_vtab_on_conflict()] function indicates that the current ON +** CONFLICT policy is REPLACE, the virtual table implementation should ** silently replace the appropriate rows within the xUpdate callback and ** return SQLITE_OK. Or, if this is not possible, it may return -** SQLITE_CONSTRAINT, in which case SQLite falls back to OR ABORT +** SQLITE_CONSTRAINT, in which case SQLite falls back to OR ABORT ** constraint handling. +** </dd> +** +** [[SQLITE_VTAB_DIRECTONLY]]<dt>SQLITE_VTAB_DIRECTONLY</dt> +** <dd>Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_DIRECTONLY) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** prohibits that virtual table from being used from within triggers and +** views. +** </dd> +** +** [[SQLITE_VTAB_INNOCUOUS]]<dt>SQLITE_VTAB_INNOCUOUS</dt> +** <dd>Calls of the form +** [sqlite3_vtab_config](db,SQLITE_VTAB_INNOCUOUS) from within the +** the [xConnect] or [xCreate] methods of a [virtual table] implmentation +** identify that virtual table as being safe to use from within triggers +** and views. Conceptually, the SQLITE_VTAB_INNOCUOUS tag means that the +** virtual table can do no serious harm even if it is controlled by a +** malicious hacker. Developers should avoid setting the SQLITE_VTAB_INNOCUOUS +** flag unless absolutely necessary. +** </dd> ** </dl> */ #define SQLITE_VTAB_CONSTRAINT_SUPPORT 1 +#define SQLITE_VTAB_INNOCUOUS 2 +#define SQLITE_VTAB_DIRECTONLY 3 /* ** CAPI3REF: Determine The Virtual Table Conflict Policy @@ -8894,12 +9211,12 @@ SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*); ** CAPI3REF: Determine The Collation For a Virtual Table Constraint ** ** This function may only be called from within a call to the [xBestIndex] -** method of a [virtual table]. +** method of a [virtual table]. ** ** The first argument must be the sqlite3_index_info object that is the ** first parameter to the xBestIndex() method. The second argument must be ** an index into the aConstraint[] array belonging to the sqlite3_index_info -** structure passed to xBestIndex. This function returns a pointer to a buffer +** structure passed to xBestIndex. This function returns a pointer to a buffer ** containing the name of the collation sequence for the corresponding ** constraint. */ @@ -8937,15 +9254,15 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** ** <dl> ** [[SQLITE_SCANSTAT_NLOOP]] <dt>SQLITE_SCANSTAT_NLOOP</dt> -** <dd>^The [sqlite3_int64] variable pointed to by the T parameter will be +** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be ** set to the total number of times that the X-th loop has run.</dd> ** ** [[SQLITE_SCANSTAT_NVISIT]] <dt>SQLITE_SCANSTAT_NVISIT</dt> -** <dd>^The [sqlite3_int64] variable pointed to by the T parameter will be set +** <dd>^The [sqlite3_int64] variable pointed to by the V parameter will be set ** to the total number of rows examined by all iterations of the X-th loop.</dd> ** ** [[SQLITE_SCANSTAT_EST]] <dt>SQLITE_SCANSTAT_EST</dt> -** <dd>^The "double" variable pointed to by the T parameter will be set to the +** <dd>^The "double" variable pointed to by the V parameter will be set to the ** query planner's estimate for the average number of rows output from each ** iteration of the X-th loop. If the query planner's estimates was accurate, ** then this value will approximate the quotient NVISIT/NLOOP and the @@ -8953,17 +9270,17 @@ SQLITE_API SQLITE_EXPERIMENTAL const char *sqlite3_vtab_collation(sqlite3_index_ ** be the NLOOP value for the current loop. ** ** [[SQLITE_SCANSTAT_NAME]] <dt>SQLITE_SCANSTAT_NAME</dt> -** <dd>^The "const char *" variable pointed to by the T parameter will be set +** <dd>^The "const char *" variable pointed to by the V parameter will be set ** to a zero-terminated UTF-8 string containing the name of the index or table ** used for the X-th loop. ** ** [[SQLITE_SCANSTAT_EXPLAIN]] <dt>SQLITE_SCANSTAT_EXPLAIN</dt> -** <dd>^The "const char *" variable pointed to by the T parameter will be set +** <dd>^The "const char *" variable pointed to by the V parameter will be set ** to a zero-terminated UTF-8 string containing the [EXPLAIN QUERY PLAN] ** description for the X-th loop. ** ** [[SQLITE_SCANSTAT_SELECTID]] <dt>SQLITE_SCANSTAT_SELECT</dt> -** <dd>^The "int" variable pointed to by the T parameter will be set to the +** <dd>^The "int" variable pointed to by the V parameter will be set to the ** "select-id" for the X-th loop. The select-id identifies which query or ** subquery the loop is part of. The main query has a select-id of zero. ** The select-id is the same value as is output in the first column @@ -9013,7 +9330,7 @@ SQLITE_API int sqlite3_stmt_scanstatus( int idx, /* Index of loop to report on */ int iScanStatusOp, /* Information desired. SQLITE_SCANSTAT_* */ void *pOut /* Result written here */ -); +); /* ** CAPI3REF: Zero Scan-Status Counters @@ -9031,15 +9348,15 @@ SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt*); ** ** ^If a write-transaction is open on [database connection] D when the ** [sqlite3_db_cacheflush(D)] interface invoked, any dirty -** pages in the pager-cache that are not currently in use are written out +** pages in the pager-cache that are not currently in use are written out ** to disk. A dirty page may be in use if a database cursor created by an ** active SQL statement is reading from it, or if it is page 1 of a database ** file (page 1 is always "in use"). ^The [sqlite3_db_cacheflush(D)] ** interface flushes caches for all schemas - "main", "temp", and ** any [attached] databases. ** -** ^If this function needs to obtain extra database locks before dirty pages -** can be flushed to disk, it does so. ^If those locks cannot be obtained +** ^If this function needs to obtain extra database locks before dirty pages +** can be flushed to disk, it does so. ^If those locks cannot be obtained ** immediately and there is a busy-handler callback configured, it is invoked ** in the usual manner. ^If the required lock still cannot be obtained, then ** the database is skipped and an attempt made to flush any dirty pages @@ -9077,7 +9394,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** ** ^The preupdate hook only fires for changes to real database tables; the ** preupdate hook is not invoked for changes to [virtual tables] or to -** system tables like sqlite_master or sqlite_stat1. +** system tables like sqlite_sequence or sqlite_stat1. ** ** ^The second parameter to the preupdate callback is a pointer to ** the [database connection] that registered the preupdate hook. @@ -9086,16 +9403,16 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** kind of update operation that is about to occur. ** ^(The fourth parameter to the preupdate callback is the name of the ** database within the database connection that is being modified. This -** will be "main" for the main database or "temp" for TEMP tables or +** will be "main" for the main database or "temp" for TEMP tables or ** the name given after the AS keyword in the [ATTACH] statement for attached ** databases.)^ ** ^The fifth parameter to the preupdate callback is the name of the ** table that is being modified. ** ** For an UPDATE or DELETE operation on a [rowid table], the sixth -** parameter passed to the preupdate callback is the initial [rowid] of the +** parameter passed to the preupdate callback is the initial [rowid] of the ** row being modified or deleted. For an INSERT operation on a rowid table, -** or any operation on a WITHOUT ROWID table, the value of the sixth +** or any operation on a WITHOUT ROWID table, the value of the sixth ** parameter is undefined. For an INSERT or UPDATE on a rowid table the ** seventh parameter is the final rowid value of the row being inserted ** or updated. The value of the seventh parameter passed to the callback @@ -9134,7 +9451,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*); ** ** ^The [sqlite3_preupdate_depth(D)] interface returns 0 if the preupdate ** callback was invoked as a result of a direct insert, update, or delete -** operation; or 1 for inserts, updates, or deletes invoked by top-level +** operation; or 1 for inserts, updates, or deletes invoked by top-level ** triggers; or 2 for changes resulting from triggers called by top-level ** triggers; and so forth. ** @@ -9168,7 +9485,7 @@ SQLITE_API int sqlite3_preupdate_new(sqlite3 *, int, sqlite3_value **); ** The return value is OS-dependent. For example, on unix systems, after ** [sqlite3_open_v2()] returns [SQLITE_CANTOPEN], this interface could be ** called to get back the underlying "errno" that caused the problem, such -** as ENOSPC, EAUTH, EISDIR, and so forth. +** as ENOSPC, EAUTH, EISDIR, and so forth. */ SQLITE_API int sqlite3_system_errno(sqlite3*); @@ -9206,12 +9523,12 @@ typedef struct sqlite3_snapshot { ** [sqlite3_snapshot_get(D,S,P)] interface writes a pointer to the newly ** created [sqlite3_snapshot] object into *P and returns SQLITE_OK. ** If there is not already a read-transaction open on schema S when -** this function is called, one is opened automatically. +** this function is called, one is opened automatically. ** ** The following must be true for this function to succeed. If any of ** the following statements are false when sqlite3_snapshot_get() is ** called, SQLITE_ERROR is returned. The final value of *P is undefined -** in this case. +** in this case. ** ** <ul> ** <li> The database handle must not be in [autocommit mode]. @@ -9223,13 +9540,13 @@ typedef struct sqlite3_snapshot { ** ** <li> One or more transactions must have been written to the current wal ** file since it was created on disk (by any connection). This means -** that a snapshot cannot be taken on a wal mode database with no wal +** that a snapshot cannot be taken on a wal mode database with no wal ** file immediately after it is first opened. At least one transaction ** must be written to it first. ** </ul> ** ** This function may also return SQLITE_NOMEM. If it is called with the -** database handle in autocommit mode but fails for some other reason, +** database handle in autocommit mode but fails for some other reason, ** whether or not a read transaction is opened on schema S is undefined. ** ** The [sqlite3_snapshot] object returned from a successful call to @@ -9249,38 +9566,38 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_get( ** CAPI3REF: Start a read transaction on an historical snapshot ** METHOD: sqlite3_snapshot ** -** ^The [sqlite3_snapshot_open(D,S,P)] interface either starts a new read -** transaction or upgrades an existing one for schema S of -** [database connection] D such that the read transaction refers to -** historical [snapshot] P, rather than the most recent change to the -** database. ^The [sqlite3_snapshot_open()] interface returns SQLITE_OK +** ^The [sqlite3_snapshot_open(D,S,P)] interface either starts a new read +** transaction or upgrades an existing one for schema S of +** [database connection] D such that the read transaction refers to +** historical [snapshot] P, rather than the most recent change to the +** database. ^The [sqlite3_snapshot_open()] interface returns SQLITE_OK ** on success or an appropriate [error code] if it fails. ** -** ^In order to succeed, the database connection must not be in +** ^In order to succeed, the database connection must not be in ** [autocommit mode] when [sqlite3_snapshot_open(D,S,P)] is called. If there ** is already a read transaction open on schema S, then the database handle ** must have no active statements (SELECT statements that have been passed -** to sqlite3_step() but not sqlite3_reset() or sqlite3_finalize()). +** to sqlite3_step() but not sqlite3_reset() or sqlite3_finalize()). ** SQLITE_ERROR is returned if either of these conditions is violated, or ** if schema S does not exist, or if the snapshot object is invalid. ** ** ^A call to sqlite3_snapshot_open() will fail to open if the specified -** snapshot has been overwritten by a [checkpoint]. In this case +** snapshot has been overwritten by a [checkpoint]. In this case ** SQLITE_ERROR_SNAPSHOT is returned. ** -** If there is already a read transaction open when this function is +** If there is already a read transaction open when this function is ** invoked, then the same read transaction remains open (on the same ** database snapshot) if SQLITE_ERROR, SQLITE_BUSY or SQLITE_ERROR_SNAPSHOT ** is returned. If another error code - for example SQLITE_PROTOCOL or an ** SQLITE_IOERR error code - is returned, then the final state of the -** read transaction is undefined. If SQLITE_OK is returned, then the +** read transaction is undefined. If SQLITE_OK is returned, then the ** read transaction is now open on database snapshot P. ** ** ^(A call to [sqlite3_snapshot_open(D,S,P)] will fail if the ** database connection D does not know that the database file for ** schema S is in [WAL mode]. A database connection might not know ** that the database file is in [WAL mode] if there has been no prior -** I/O on that database connection, or if the database entered [WAL mode] +** I/O on that database connection, or if the database entered [WAL mode] ** after the most recent I/O on the database connection.)^ ** (Hint: Run "[PRAGMA application_id]" against a newly opened ** database connection in order to make it ready to use snapshots.) @@ -9312,17 +9629,17 @@ SQLITE_API SQLITE_EXPERIMENTAL void sqlite3_snapshot_free(sqlite3_snapshot*); ** METHOD: sqlite3_snapshot ** ** The sqlite3_snapshot_cmp(P1, P2) interface is used to compare the ages -** of two valid snapshot handles. +** of two valid snapshot handles. ** -** If the two snapshot handles are not associated with the same database -** file, the result of the comparison is undefined. +** If the two snapshot handles are not associated with the same database +** file, the result of the comparison is undefined. ** ** Additionally, the result of the comparison is only valid if both of the ** snapshot handles were obtained by calling sqlite3_snapshot_get() since the ** last time the wal file was deleted. The wal file is deleted when the ** database is changed back to rollback mode or when the number of database -** clients drops to zero. If either snapshot handle was obtained before the -** wal file was last deleted, the value returned by this function +** clients drops to zero. If either snapshot handle was obtained before the +** wal file was last deleted, the value returned by this function ** is undefined. ** ** Otherwise, this API returns a negative value if P1 refers to an older @@ -9387,7 +9704,7 @@ SQLITE_API SQLITE_EXPERIMENTAL int sqlite3_snapshot_recover(sqlite3 *db, const c ** representation of the database will usually only exist if there has ** been a prior call to [sqlite3_deserialize(D,S,...)] with the same ** values of D and S. -** The size of the database is written into *P even if the +** The size of the database is written into *P even if the ** SQLITE_SERIALIZE_NOCOPY bit is set but no contiguous copy ** of the database exists. ** @@ -9424,7 +9741,7 @@ SQLITE_API unsigned char *sqlite3_serialize( /* ** CAPI3REF: Deserialize a database ** -** The sqlite3_deserialize(D,S,P,N,M,F) interface causes the +** The sqlite3_deserialize(D,S,P,N,M,F) interface causes the ** [database connection] D to disconnect from database S and then ** reopen S as an in-memory database based on the serialization contained ** in P. The serialized database P is N bytes in size. M is the size of @@ -9443,7 +9760,7 @@ SQLITE_API unsigned char *sqlite3_serialize( ** database is currently in a read transaction or is involved in a backup ** operation. ** -** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the +** If sqlite3_deserialize(D,S,P,N,M,F) fails for any reason and if the ** SQLITE_DESERIALIZE_FREEONCLOSE bit is set in argument F, then ** [sqlite3_free()] is invoked on argument P prior to returning. ** @@ -9558,7 +9875,7 @@ struct sqlite3_rtree_geometry { }; /* -** Register a 2nd-generation geometry callback named zScore that can be +** Register a 2nd-generation geometry callback named zScore that can be ** used as part of an R-Tree geometry query as follows: ** ** SELECT ... FROM <rtree> WHERE <rtree col> MATCH $zQueryFunc(... params ...) @@ -9573,7 +9890,7 @@ SQLITE_API int sqlite3_rtree_query_callback( /* -** A pointer to a structure of the following type is passed as the +** A pointer to a structure of the following type is passed as the ** argument to scored geometry callback registered using ** sqlite3_rtree_query_callback(). ** @@ -9668,7 +9985,7 @@ typedef struct sqlite3_changeset_iter sqlite3_changeset_iter; ** is not possible for an application to register a pre-update hook on a ** database handle that has one or more session objects attached. Nor is ** it possible to create a session object attached to a database handle for -** which a pre-update hook is already defined. The results of attempting +** which a pre-update hook is already defined. The results of attempting ** either of these things are undefined. ** ** The session object will be used to create changesets for tables in @@ -9686,13 +10003,13 @@ SQLITE_API int sqlite3session_create( ** CAPI3REF: Delete A Session Object ** DESTRUCTOR: sqlite3_session ** -** Delete a session object previously allocated using +** Delete a session object previously allocated using ** [sqlite3session_create()]. Once a session object has been deleted, the ** results of attempting to use pSession with any other session module ** function are undefined. ** ** Session objects must be deleted before the database handle to which they -** are attached is closed. Refer to the documentation for +** are attached is closed. Refer to the documentation for ** [sqlite3session_create()] for details. */ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); @@ -9710,10 +10027,10 @@ SQLITE_API void sqlite3session_delete(sqlite3_session *pSession); ** the eventual changesets. ** ** Passing zero to this function disables the session. Passing a value -** greater than zero enables it. Passing a value less than zero is a +** greater than zero enables it. Passing a value less than zero is a ** no-op, and may be used to query the current state of the session. ** -** The return value indicates the final state of the session object: 0 if +** The return value indicates the final state of the session object: 0 if ** the session is disabled, or 1 if it is enabled. */ SQLITE_API int sqlite3session_enable(sqlite3_session *pSession, int bEnable); @@ -9728,7 +10045,7 @@ SQLITE_API int sqlite3session_enable(sqlite3_session *pSession, int bEnable); ** <ul> ** <li> The session object "indirect" flag is set when the change is ** made, or -** <li> The change is made by an SQL trigger or foreign key action +** <li> The change is made by an SQL trigger or foreign key action ** instead of directly as a result of a users SQL statement. ** </ul> ** @@ -9740,10 +10057,10 @@ SQLITE_API int sqlite3session_enable(sqlite3_session *pSession, int bEnable); ** flag. If the second argument passed to this function is zero, then the ** indirect flag is cleared. If it is greater than zero, the indirect flag ** is set. Passing a value less than zero does not modify the current value -** of the indirect flag, and may be used to query the current state of the +** of the indirect flag, and may be used to query the current state of the ** indirect flag for the specified session object. ** -** The return value indicates the final state of the indirect flag: 0 if +** The return value indicates the final state of the indirect flag: 0 if ** it is clear, or 1 if it is set. */ SQLITE_API int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect); @@ -9753,20 +10070,20 @@ SQLITE_API int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect) ** METHOD: sqlite3_session ** ** If argument zTab is not NULL, then it is the name of a table to attach -** to the session object passed as the first argument. All subsequent changes -** made to the table while the session object is enabled will be recorded. See +** to the session object passed as the first argument. All subsequent changes +** made to the table while the session object is enabled will be recorded. See ** documentation for [sqlite3session_changeset()] for further details. ** ** Or, if argument zTab is NULL, then changes are recorded for all tables -** in the database. If additional tables are added to the database (by -** executing "CREATE TABLE" statements) after this call is made, changes for +** in the database. If additional tables are added to the database (by +** executing "CREATE TABLE" statements) after this call is made, changes for ** the new tables are also recorded. ** ** Changes can only be recorded for tables that have a PRIMARY KEY explicitly -** defined as part of their CREATE TABLE statement. It does not matter if the +** defined as part of their CREATE TABLE statement. It does not matter if the ** PRIMARY KEY is an "INTEGER PRIMARY KEY" (rowid alias) or not. The PRIMARY ** KEY may consist of a single column, or may be a composite key. -** +** ** It is not an error if the named table does not exist in the database. Nor ** is it an error if the named table does not have a PRIMARY KEY. However, ** no changes will be recorded in either of these scenarios. @@ -9774,29 +10091,29 @@ SQLITE_API int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect) ** Changes are not recorded for individual rows that have NULL values stored ** in one or more of their PRIMARY KEY columns. ** -** SQLITE_OK is returned if the call completes without error. Or, if an error +** SQLITE_OK is returned if the call completes without error. Or, if an error ** occurs, an SQLite error code (e.g. SQLITE_NOMEM) is returned. ** ** <h3>Special sqlite_stat1 Handling</h3> ** -** As of SQLite version 3.22.0, the "sqlite_stat1" table is an exception to +** As of SQLite version 3.22.0, the "sqlite_stat1" table is an exception to ** some of the rules above. In SQLite, the schema of sqlite_stat1 is: ** <pre> -** CREATE TABLE sqlite_stat1(tbl,idx,stat) +** CREATE TABLE sqlite_stat1(tbl,idx,stat) ** </pre> ** -** Even though sqlite_stat1 does not have a PRIMARY KEY, changes are -** recorded for it as if the PRIMARY KEY is (tbl,idx). Additionally, changes +** Even though sqlite_stat1 does not have a PRIMARY KEY, changes are +** recorded for it as if the PRIMARY KEY is (tbl,idx). Additionally, changes ** are recorded for rows for which (idx IS NULL) is true. However, for such ** rows a zero-length blob (SQL value X'') is stored in the changeset or ** patchset instead of a NULL value. This allows such changesets to be ** manipulated by legacy implementations of sqlite3changeset_invert(), ** concat() and similar. ** -** The sqlite3changeset_apply() function automatically converts the +** The sqlite3changeset_apply() function automatically converts the ** zero-length blob back to a NULL value when updating the sqlite_stat1 ** table. However, if the application calls sqlite3changeset_new(), -** sqlite3changeset_old() or sqlite3changeset_conflict on a changeset +** sqlite3changeset_old() or sqlite3changeset_conflict on a changeset ** iterator directly (including on a changeset iterator passed to a ** conflict-handler callback) then the X'' value is returned. The application ** must translate X'' to NULL itself if required. @@ -9815,10 +10132,10 @@ SQLITE_API int sqlite3session_attach( ** CAPI3REF: Set a table filter on a Session Object. ** METHOD: sqlite3_session ** -** The second argument (xFilter) is the "filter callback". For changes to rows +** The second argument (xFilter) is the "filter callback". For changes to rows ** in tables that are not attached to the Session object, the filter is called -** to determine whether changes to the table's rows should be tracked or not. -** If xFilter returns 0, changes is not tracked. Note that once a table is +** to determine whether changes to the table's rows should be tracked or not. +** If xFilter returns 0, changes are not tracked. Note that once a table is ** attached, xFilter will not be called again. */ SQLITE_API void sqlite3session_table_filter( @@ -9834,9 +10151,9 @@ SQLITE_API void sqlite3session_table_filter( ** CAPI3REF: Generate A Changeset From A Session Object ** METHOD: sqlite3_session ** -** Obtain a changeset containing changes to the tables attached to the -** session object passed as the first argument. If successful, -** set *ppChangeset to point to a buffer containing the changeset +** Obtain a changeset containing changes to the tables attached to the +** session object passed as the first argument. If successful, +** set *ppChangeset to point to a buffer containing the changeset ** and *pnChangeset to the size of the changeset in bytes before returning ** SQLITE_OK. If an error occurs, set both *ppChangeset and *pnChangeset to ** zero and return an SQLite error code. @@ -9851,7 +10168,7 @@ SQLITE_API void sqlite3session_table_filter( ** modifies the values of primary key columns. If such a change is made, it ** is represented in a changeset as a DELETE followed by an INSERT. ** -** Changes are not recorded for rows that have NULL values stored in one or +** Changes are not recorded for rows that have NULL values stored in one or ** more of their PRIMARY KEY columns. If such a row is inserted or deleted, ** no corresponding change is present in the changesets returned by this ** function. If an existing row with one or more NULL values stored in @@ -9904,14 +10221,14 @@ SQLITE_API void sqlite3session_table_filter( ** <ul> ** <li> For each record generated by an insert, the database is queried ** for a row with a matching primary key. If one is found, an INSERT -** change is added to the changeset. If no such row is found, no change +** change is added to the changeset. If no such row is found, no change ** is added to the changeset. ** -** <li> For each record generated by an update or delete, the database is +** <li> For each record generated by an update or delete, the database is ** queried for a row with a matching primary key. If such a row is ** found and one or more of the non-primary key fields have been -** modified from their original values, an UPDATE change is added to -** the changeset. Or, if no such row is found in the table, a DELETE +** modified from their original values, an UPDATE change is added to +** the changeset. Or, if no such row is found in the table, a DELETE ** change is added to the changeset. If there is a row with a matching ** primary key in the database, but all fields contain their original ** values, no change is added to the changeset. @@ -9919,7 +10236,7 @@ SQLITE_API void sqlite3session_table_filter( ** ** This means, amongst other things, that if a row is inserted and then later ** deleted while a session object is active, neither the insert nor the delete -** will be present in the changeset. Or if a row is deleted and then later a +** will be present in the changeset. Or if a row is deleted and then later a ** row with the same primary key values inserted while a session object is ** active, the resulting changeset will contain an UPDATE change instead of ** a DELETE and an INSERT. @@ -9928,10 +10245,10 @@ SQLITE_API void sqlite3session_table_filter( ** it does not accumulate records when rows are inserted, updated or deleted. ** This may appear to have some counter-intuitive effects if a single row ** is written to more than once during a session. For example, if a row -** is inserted while a session object is enabled, then later deleted while +** is inserted while a session object is enabled, then later deleted while ** the same session object is disabled, no INSERT record will appear in the ** changeset, even though the delete took place while the session was disabled. -** Or, if one field of a row is updated while a session is disabled, and +** Or, if one field of a row is updated while a session is disabled, and ** another field of the same row is updated while the session is enabled, the ** resulting changeset will contain an UPDATE change that updates both fields. */ @@ -9952,7 +10269,7 @@ SQLITE_API int sqlite3session_changeset( ** an error). ** ** Argument zFromDb must be the name of a database ("main", "temp" etc.) -** attached to the same database handle as the session object that contains +** attached to the same database handle as the session object that contains ** a table compatible with the table attached to the session by this function. ** A table is considered compatible if it: ** @@ -9968,33 +10285,33 @@ SQLITE_API int sqlite3session_changeset( ** APIs, tables without PRIMARY KEYs are simply ignored. ** ** This function adds a set of changes to the session object that could be -** used to update the table in database zFrom (call this the "from-table") -** so that its content is the same as the table attached to the session +** used to update the table in database zFrom (call this the "from-table") +** so that its content is the same as the table attached to the session ** object (call this the "to-table"). Specifically: ** ** <ul> -** <li> For each row (primary key) that exists in the to-table but not in +** <li> For each row (primary key) that exists in the to-table but not in ** the from-table, an INSERT record is added to the session object. ** -** <li> For each row (primary key) that exists in the to-table but not in +** <li> For each row (primary key) that exists in the to-table but not in ** the from-table, a DELETE record is added to the session object. ** -** <li> For each row (primary key) that exists in both tables, but features +** <li> For each row (primary key) that exists in both tables, but features ** different non-PK values in each, an UPDATE record is added to the -** session. +** session. ** </ul> ** ** To clarify, if this function is called and then a changeset constructed -** using [sqlite3session_changeset()], then after applying that changeset to -** database zFrom the contents of the two compatible tables would be +** using [sqlite3session_changeset()], then after applying that changeset to +** database zFrom the contents of the two compatible tables would be ** identical. ** ** It an error if database zFrom does not exist or does not contain the ** required compatible table. ** -** If the operation successful, SQLITE_OK is returned. Otherwise, an SQLite +** If the operation is successful, SQLITE_OK is returned. Otherwise, an SQLite ** error code. In this case, if argument pzErrMsg is not NULL, *pzErrMsg -** may be set to point to a buffer containing an English language error +** may be set to point to a buffer containing an English language error ** message. It is the responsibility of the caller to free this buffer using ** sqlite3_free(). */ @@ -10013,19 +10330,19 @@ SQLITE_API int sqlite3session_diff( ** The differences between a patchset and a changeset are that: ** ** <ul> -** <li> DELETE records consist of the primary key fields only. The +** <li> DELETE records consist of the primary key fields only. The ** original values of other fields are omitted. -** <li> The original values of any modified fields are omitted from +** <li> The original values of any modified fields are omitted from ** UPDATE records. ** </ul> ** -** A patchset blob may be used with up to date versions of all -** sqlite3changeset_xxx API functions except for sqlite3changeset_invert(), +** A patchset blob may be used with up to date versions of all +** sqlite3changeset_xxx API functions except for sqlite3changeset_invert(), ** which returns SQLITE_CORRUPT if it is passed a patchset. Similarly, ** attempting to use a patchset blob with old versions of the -** sqlite3changeset_xxx APIs also provokes an SQLITE_CORRUPT error. +** sqlite3changeset_xxx APIs also provokes an SQLITE_CORRUPT error. ** -** Because the non-primary key "old.*" fields are omitted, no +** Because the non-primary key "old.*" fields are omitted, no ** SQLITE_CHANGESET_DATA conflicts can be detected or reported if a patchset ** is passed to the sqlite3changeset_apply() API. Other conflict types work ** in the same way as for changesets. @@ -10044,22 +10361,22 @@ SQLITE_API int sqlite3session_patchset( /* ** CAPI3REF: Test if a changeset has recorded any changes. ** -** Return non-zero if no changes to attached tables have been recorded by -** the session object passed as the first argument. Otherwise, if one or +** Return non-zero if no changes to attached tables have been recorded by +** the session object passed as the first argument. Otherwise, if one or ** more changes have been recorded, return zero. ** ** Even if this function returns zero, it is possible that calling ** [sqlite3session_changeset()] on the session handle may still return a -** changeset that contains no changes. This can happen when a row in -** an attached table is modified and then later on the original values +** changeset that contains no changes. This can happen when a row in +** an attached table is modified and then later on the original values ** are restored. However, if this function returns non-zero, then it is -** guaranteed that a call to sqlite3session_changeset() will return a +** guaranteed that a call to sqlite3session_changeset() will return a ** changeset containing zero changes. */ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); /* -** CAPI3REF: Create An Iterator To Traverse A Changeset +** CAPI3REF: Create An Iterator To Traverse A Changeset ** CONSTRUCTOR: sqlite3_changeset_iter ** ** Create an iterator used to iterate through the contents of a changeset. @@ -10067,7 +10384,7 @@ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); ** is returned. Otherwise, if an error occurs, *pp is set to zero and an ** SQLite error code is returned. ** -** The following functions can be used to advance and query a changeset +** The following functions can be used to advance and query a changeset ** iterator created by this function: ** ** <ul> @@ -10084,12 +10401,12 @@ SQLITE_API int sqlite3session_isempty(sqlite3_session *pSession); ** ** Assuming the changeset blob was created by one of the ** [sqlite3session_changeset()], [sqlite3changeset_concat()] or -** [sqlite3changeset_invert()] functions, all changes within the changeset -** that apply to a single table are grouped together. This means that when -** an application iterates through a changeset using an iterator created by -** this function, all changes that relate to a single table are visited -** consecutively. There is no chance that the iterator will visit a change -** the applies to table X, then one for table Y, and then later on visit +** [sqlite3changeset_invert()] functions, all changes within the changeset +** that apply to a single table are grouped together. This means that when +** an application iterates through a changeset using an iterator created by +** this function, all changes that relate to a single table are visited +** consecutively. There is no chance that the iterator will visit a change +** the applies to table X, then one for table Y, and then later on visit ** another change for table X. ** ** The behavior of sqlite3changeset_start_v2() and its streaming equivalent @@ -10129,7 +10446,7 @@ SQLITE_API int sqlite3changeset_start_v2( ** CAPI3REF: Advance A Changeset Iterator ** METHOD: sqlite3_changeset_iter ** -** This function may only be used with iterators created by function +** This function may only be used with iterators created by the function ** [sqlite3changeset_start()]. If it is called on an iterator passed to ** a conflict-handler callback by [sqlite3changeset_apply()], SQLITE_MISUSE ** is returned and the call has no effect. @@ -10140,12 +10457,12 @@ SQLITE_API int sqlite3changeset_start_v2( ** point to the first change in the changeset. Each subsequent call advances ** the iterator to point to the next change in the changeset (if any). If ** no error occurs and the iterator points to a valid change after a call -** to sqlite3changeset_next() has advanced it, SQLITE_ROW is returned. +** to sqlite3changeset_next() has advanced it, SQLITE_ROW is returned. ** Otherwise, if all changes in the changeset have already been visited, ** SQLITE_DONE is returned. ** -** If an error occurs, an SQLite error code is returned. Possible error -** codes include SQLITE_CORRUPT (if the changeset buffer is corrupt) or +** If an error occurs, an SQLite error code is returned. Possible error +** codes include SQLITE_CORRUPT (if the changeset buffer is corrupt) or ** SQLITE_NOMEM. */ SQLITE_API int sqlite3changeset_next(sqlite3_changeset_iter *pIter); @@ -10163,14 +10480,14 @@ SQLITE_API int sqlite3changeset_next(sqlite3_changeset_iter *pIter); ** If argument pzTab is not NULL, then *pzTab is set to point to a ** nul-terminated utf-8 encoded string containing the name of the table ** affected by the current change. The buffer remains valid until either -** sqlite3changeset_next() is called on the iterator or until the -** conflict-handler function returns. If pnCol is not NULL, then *pnCol is +** sqlite3changeset_next() is called on the iterator or until the +** conflict-handler function returns. If pnCol is not NULL, then *pnCol is ** set to the number of columns in the table affected by the change. If ** pbIndirect is not NULL, then *pbIndirect is set to true (1) if the change ** is an indirect change, or false (0) otherwise. See the documentation for ** [sqlite3session_indirect()] for a description of direct and indirect -** changes. Finally, if pOp is not NULL, then *pOp is set to one of -** [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], depending on the +** changes. Finally, if pOp is not NULL, then *pOp is set to one of +** [SQLITE_INSERT], [SQLITE_DELETE] or [SQLITE_UPDATE], depending on the ** type of change that the iterator currently points to. ** ** If no error occurs, SQLITE_OK is returned. If an error does occur, an @@ -10224,7 +10541,7 @@ SQLITE_API int sqlite3changeset_pk( ** The pIter argument passed to this function may either be an iterator ** passed to a conflict-handler by [sqlite3changeset_apply()], or an iterator ** created by [sqlite3changeset_start()]. In the latter case, the most recent -** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. +** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. ** Furthermore, it may only be called if the type of change that the iterator ** currently points to is either [SQLITE_DELETE] or [SQLITE_UPDATE]. Otherwise, ** this function returns [SQLITE_MISUSE] and sets *ppValue to NULL. @@ -10234,9 +10551,9 @@ SQLITE_API int sqlite3changeset_pk( ** [SQLITE_RANGE] is returned and *ppValue is set to NULL. ** ** If successful, this function sets *ppValue to point to a protected -** sqlite3_value object containing the iVal'th value from the vector of +** sqlite3_value object containing the iVal'th value from the vector of ** original row values stored as part of the UPDATE or DELETE change and -** returns SQLITE_OK. The name of the function comes from the fact that this +** returns SQLITE_OK. The name of the function comes from the fact that this ** is similar to the "old.*" columns available to update or delete triggers. ** ** If some other error occurs (e.g. an OOM condition), an SQLite error code @@ -10255,7 +10572,7 @@ SQLITE_API int sqlite3changeset_old( ** The pIter argument passed to this function may either be an iterator ** passed to a conflict-handler by [sqlite3changeset_apply()], or an iterator ** created by [sqlite3changeset_start()]. In the latter case, the most recent -** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. +** call to [sqlite3changeset_next()] must have returned SQLITE_ROW. ** Furthermore, it may only be called if the type of change that the iterator ** currently points to is either [SQLITE_UPDATE] or [SQLITE_INSERT]. Otherwise, ** this function returns [SQLITE_MISUSE] and sets *ppValue to NULL. @@ -10265,12 +10582,12 @@ SQLITE_API int sqlite3changeset_old( ** [SQLITE_RANGE] is returned and *ppValue is set to NULL. ** ** If successful, this function sets *ppValue to point to a protected -** sqlite3_value object containing the iVal'th value from the vector of +** sqlite3_value object containing the iVal'th value from the vector of ** new row values stored as part of the UPDATE or INSERT change and ** returns SQLITE_OK. If the change is an UPDATE and does not include -** a new value for the requested column, *ppValue is set to NULL and -** SQLITE_OK returned. The name of the function comes from the fact that -** this is similar to the "new.*" columns available to update or delete +** a new value for the requested column, *ppValue is set to NULL and +** SQLITE_OK returned. The name of the function comes from the fact that +** this is similar to the "new.*" columns available to update or delete ** triggers. ** ** If some other error occurs (e.g. an OOM condition), an SQLite error code @@ -10297,7 +10614,7 @@ SQLITE_API int sqlite3changeset_new( ** [SQLITE_RANGE] is returned and *ppValue is set to NULL. ** ** If successful, this function sets *ppValue to point to a protected -** sqlite3_value object containing the iVal'th value from the +** sqlite3_value object containing the iVal'th value from the ** "conflicting row" associated with the current conflict-handler callback ** and returns SQLITE_OK. ** @@ -10341,7 +10658,7 @@ SQLITE_API int sqlite3changeset_fk_conflicts( ** call has no effect. ** ** If an error was encountered within a call to an sqlite3changeset_xxx() -** function (for example an [SQLITE_CORRUPT] in [sqlite3changeset_next()] or an +** function (for example an [SQLITE_CORRUPT] in [sqlite3changeset_next()] or an ** [SQLITE_NOMEM] in [sqlite3changeset_new()]) then an error code corresponding ** to that error is returned by this function. Otherwise, SQLITE_OK is ** returned. This is to allow the following pattern (pseudo-code): @@ -10353,7 +10670,7 @@ SQLITE_API int sqlite3changeset_fk_conflicts( ** } ** rc = sqlite3changeset_finalize(); ** if( rc!=SQLITE_OK ){ -** // An error has occurred +** // An error has occurred ** } ** </pre> */ @@ -10381,7 +10698,7 @@ SQLITE_API int sqlite3changeset_finalize(sqlite3_changeset_iter *pIter); ** zeroed and an SQLite error code returned. ** ** It is the responsibility of the caller to eventually call sqlite3_free() -** on the *ppOut pointer to free the buffer allocation following a successful +** on the *ppOut pointer to free the buffer allocation following a successful ** call to this function. ** ** WARNING/TODO: This function currently assumes that the input is a valid @@ -10395,11 +10712,11 @@ SQLITE_API int sqlite3changeset_invert( /* ** CAPI3REF: Concatenate Two Changeset Objects ** -** This function is used to concatenate two changesets, A and B, into a +** This function is used to concatenate two changesets, A and B, into a ** single changeset. The result is a changeset equivalent to applying -** changeset A followed by changeset B. +** changeset A followed by changeset B. ** -** This function combines the two input changesets using an +** This function combines the two input changesets using an ** sqlite3_changegroup object. Calling it produces similar results as the ** following code fragment: ** @@ -10431,7 +10748,7 @@ SQLITE_API int sqlite3changeset_concat( /* ** CAPI3REF: Changegroup Handle ** -** A changegroup is an object used to combine two or more +** A changegroup is an object used to combine two or more ** [changesets] or [patchsets] */ typedef struct sqlite3_changegroup sqlite3_changegroup; @@ -10447,7 +10764,7 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; ** ** If successful, this function returns SQLITE_OK and populates (*pp) with ** a pointer to a new sqlite3_changegroup object before returning. The caller -** should eventually free the returned object using a call to +** should eventually free the returned object using a call to ** sqlite3changegroup_delete(). If an error occurs, an SQLite error code ** (i.e. SQLITE_NOMEM) is returned and *pp is set to NULL. ** @@ -10459,7 +10776,7 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; ** <li> Zero or more changesets (or patchsets) are added to the object ** by calling sqlite3changegroup_add(). ** -** <li> The result of combining all input changesets together is obtained +** <li> The result of combining all input changesets together is obtained ** by the application via a call to sqlite3changegroup_output(). ** ** <li> The object is deleted using a call to sqlite3changegroup_delete(). @@ -10468,7 +10785,7 @@ typedef struct sqlite3_changegroup sqlite3_changegroup; ** Any number of calls to add() and output() may be made between the calls to ** new() and delete(), and in any order. ** -** As well as the regular sqlite3changegroup_add() and +** As well as the regular sqlite3changegroup_add() and ** sqlite3changegroup_output() functions, also available are the streaming ** versions sqlite3changegroup_add_strm() and sqlite3changegroup_output_strm(). */ @@ -10479,7 +10796,7 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** METHOD: sqlite3_changegroup ** ** Add all changes within the changeset (or patchset) in buffer pData (size -** nData bytes) to the changegroup. +** nData bytes) to the changegroup. ** ** If the buffer contains a patchset, then all prior calls to this function ** on the same changegroup object must also have specified patchsets. Or, if @@ -10506,7 +10823,7 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** changeset was recorded immediately after the changesets already ** added to the changegroup. ** <tr><td>INSERT <td>UPDATE <td> -** The INSERT change remains in the changegroup. The values in the +** The INSERT change remains in the changegroup. The values in the ** INSERT change are modified as if the row was inserted by the ** existing change and then updated according to the new change. ** <tr><td>INSERT <td>DELETE <td> @@ -10517,17 +10834,17 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** changeset was recorded immediately after the changesets already ** added to the changegroup. ** <tr><td>UPDATE <td>UPDATE <td> -** The existing UPDATE remains within the changegroup. It is amended -** so that the accompanying values are as if the row was updated once +** The existing UPDATE remains within the changegroup. It is amended +** so that the accompanying values are as if the row was updated once ** by the existing change and then again by the new change. ** <tr><td>UPDATE <td>DELETE <td> ** The existing UPDATE is replaced by the new DELETE within the ** changegroup. ** <tr><td>DELETE <td>INSERT <td> ** If one or more of the column values in the row inserted by the -** new change differ from those in the row deleted by the existing +** new change differ from those in the row deleted by the existing ** change, the existing DELETE is replaced by an UPDATE within the -** changegroup. Otherwise, if the inserted row is exactly the same +** changegroup. Otherwise, if the inserted row is exactly the same ** as the deleted row, the existing DELETE is simply discarded. ** <tr><td>DELETE <td>UPDATE <td> ** The new change is ignored. This case does not occur if the new @@ -10545,8 +10862,8 @@ SQLITE_API int sqlite3changegroup_new(sqlite3_changegroup **pp); ** case, this function fails with SQLITE_SCHEMA. If the input changeset ** appears to be corrupt and the corruption is detected, SQLITE_CORRUPT is ** returned. Or, if an out-of-memory condition occurs during processing, this -** function returns SQLITE_NOMEM. In all cases, if an error occurs the -** final contents of the changegroup is undefined. +** function returns SQLITE_NOMEM. In all cases, if an error occurs the state +** of the final contents of the changegroup is undefined. ** ** If no error occurs, SQLITE_OK is returned. */ @@ -10572,7 +10889,7 @@ SQLITE_API int sqlite3changegroup_add(sqlite3_changegroup*, int nData, void *pDa ** ** If an error occurs, an SQLite error code is returned and the output ** variables (*pnData) and (*ppData) are set to 0. Otherwise, SQLITE_OK -** is returned and the output variables are set to the size of and a +** is returned and the output variables are set to the size of and a ** pointer to the output buffer, respectively. In this case it is the ** responsibility of the caller to eventually free the buffer using a ** call to sqlite3_free(). @@ -10594,7 +10911,7 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** ** Apply a changeset or patchset to a database. These functions attempt to ** update the "main" database attached to handle db with the changes found in -** the changeset passed via the second and third arguments. +** the changeset passed via the second and third arguments. ** ** The fourth argument (xFilter) passed to these functions is the "filter ** callback". If it is not NULL, then for each table affected by at least one @@ -10605,16 +10922,16 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** Otherwise, if the return value is non-zero or the xFilter argument to ** is NULL, all changes related to the table are attempted. ** -** For each table that is not excluded by the filter callback, this function -** tests that the target database contains a compatible table. A table is +** For each table that is not excluded by the filter callback, this function +** tests that the target database contains a compatible table. A table is ** considered compatible if all of the following are true: ** ** <ul> -** <li> The table has the same name as the name recorded in the +** <li> The table has the same name as the name recorded in the ** changeset, and -** <li> The table has at least as many columns as recorded in the +** <li> The table has at least as many columns as recorded in the ** changeset, and -** <li> The table has primary key columns in the same position as +** <li> The table has primary key columns in the same position as ** recorded in the changeset. ** </ul> ** @@ -10623,11 +10940,11 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** via the sqlite3_log() mechanism with the error code SQLITE_SCHEMA. At most ** one such warning is issued for each table in the changeset. ** -** For each change for which there is a compatible table, an attempt is made -** to modify the table contents according to the UPDATE, INSERT or DELETE -** change. If a change cannot be applied cleanly, the conflict handler -** function passed as the fifth argument to sqlite3changeset_apply() may be -** invoked. A description of exactly when the conflict handler is invoked for +** For each change for which there is a compatible table, an attempt is made +** to modify the table contents according to the UPDATE, INSERT or DELETE +** change. If a change cannot be applied cleanly, the conflict handler +** function passed as the fifth argument to sqlite3changeset_apply() may be +** invoked. A description of exactly when the conflict handler is invoked for ** each type of change is below. ** ** Unlike the xFilter argument, xConflict may not be passed NULL. The results @@ -10635,23 +10952,23 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** argument are undefined. ** ** Each time the conflict handler function is invoked, it must return one -** of [SQLITE_CHANGESET_OMIT], [SQLITE_CHANGESET_ABORT] or +** of [SQLITE_CHANGESET_OMIT], [SQLITE_CHANGESET_ABORT] or ** [SQLITE_CHANGESET_REPLACE]. SQLITE_CHANGESET_REPLACE may only be returned ** if the second argument passed to the conflict handler is either ** SQLITE_CHANGESET_DATA or SQLITE_CHANGESET_CONFLICT. If the conflict-handler ** returns an illegal value, any changes already made are rolled back and -** the call to sqlite3changeset_apply() returns SQLITE_MISUSE. Different +** the call to sqlite3changeset_apply() returns SQLITE_MISUSE. Different ** actions are taken by sqlite3changeset_apply() depending on the value ** returned by each invocation of the conflict-handler function. Refer to -** the documentation for the three +** the documentation for the three ** [SQLITE_CHANGESET_OMIT|available return values] for details. ** ** <dl> ** <dt>DELETE Changes<dd> -** For each DELETE change, the function checks if the target database -** contains a row with the same primary key value (or values) as the -** original row values stored in the changeset. If it does, and the values -** stored in all non-primary key columns also match the values stored in +** For each DELETE change, the function checks if the target database +** contains a row with the same primary key value (or values) as the +** original row values stored in the changeset. If it does, and the values +** stored in all non-primary key columns also match the values stored in ** the changeset the row is deleted from the target database. ** ** If a row with matching primary key values is found, but one or more of @@ -10680,22 +10997,22 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** database table, the trailing fields are populated with their default ** values. ** -** If the attempt to insert the row fails because the database already +** If the attempt to insert the row fails because the database already ** contains a row with the same primary key values, the conflict handler -** function is invoked with the second argument set to +** function is invoked with the second argument set to ** [SQLITE_CHANGESET_CONFLICT]. ** ** If the attempt to insert the row fails because of some other constraint -** violation (e.g. NOT NULL or UNIQUE), the conflict handler function is +** violation (e.g. NOT NULL or UNIQUE), the conflict handler function is ** invoked with the second argument set to [SQLITE_CHANGESET_CONSTRAINT]. -** This includes the case where the INSERT operation is re-attempted because -** an earlier call to the conflict handler function returned +** This includes the case where the INSERT operation is re-attempted because +** an earlier call to the conflict handler function returned ** [SQLITE_CHANGESET_REPLACE]. ** ** <dt>UPDATE Changes<dd> -** For each UPDATE change, the function checks if the target database -** contains a row with the same primary key value (or values) as the -** original row values stored in the changeset. If it does, and the values +** For each UPDATE change, the function checks if the target database +** contains a row with the same primary key value (or values) as the +** original row values stored in the changeset. If it does, and the values ** stored in all modified non-primary key columns also match the values ** stored in the changeset the row is updated within the target database. ** @@ -10711,28 +11028,28 @@ SQLITE_API void sqlite3changegroup_delete(sqlite3_changegroup*); ** the conflict-handler function is invoked with [SQLITE_CHANGESET_NOTFOUND] ** passed as the second argument. ** -** If the UPDATE operation is attempted, but SQLite returns -** SQLITE_CONSTRAINT, the conflict-handler function is invoked with +** If the UPDATE operation is attempted, but SQLite returns +** SQLITE_CONSTRAINT, the conflict-handler function is invoked with ** [SQLITE_CHANGESET_CONSTRAINT] passed as the second argument. -** This includes the case where the UPDATE operation is attempted after +** This includes the case where the UPDATE operation is attempted after ** an earlier call to the conflict handler function returned -** [SQLITE_CHANGESET_REPLACE]. +** [SQLITE_CHANGESET_REPLACE]. ** </dl> ** ** It is safe to execute SQL statements, including those that write to the ** table that the callback related to, from within the xConflict callback. -** This can be used to further customize the applications conflict +** This can be used to further customize the application's conflict ** resolution strategy. ** ** All changes made by these functions are enclosed in a savepoint transaction. ** If any other error (aside from a constraint failure when attempting to ** write to the target database) occurs, then the savepoint transaction is -** rolled back, restoring the target database to its original state, and an +** rolled back, restoring the target database to its original state, and an ** SQLite error code returned. ** ** If the output parameters (ppRebase) and (pnRebase) are non-NULL and ** the input is a changeset (not a patchset), then sqlite3changeset_apply_v2() -** may set (*ppRebase) to point to a "rebase" that may be used with the +** may set (*ppRebase) to point to a "rebase" that may be used with the ** sqlite3_rebaser APIs buffer before returning. In this case (*pnRebase) ** is set to the size of the buffer in bytes. It is the responsibility of the ** caller to eventually free any such buffer using sqlite3_free(). The buffer @@ -10793,7 +11110,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** SAVEPOINT is committed if the changeset or patchset is successfully ** applied, or rolled back if an error occurs. Specifying this flag ** causes the sessions module to omit this savepoint. In this case, if the -** caller has an open transaction or savepoint when apply_v2() is called, +** caller has an open transaction or savepoint when apply_v2() is called, ** it may revert the partially applied changeset by rolling it back. ** ** <dt>SQLITE_CHANGESETAPPLY_INVERT <dd> @@ -10804,7 +11121,7 @@ SQLITE_API int sqlite3changeset_apply_v2( #define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001 #define SQLITE_CHANGESETAPPLY_INVERT 0x0002 -/* +/* ** CAPI3REF: Constants Passed To The Conflict Handler ** ** Values that may be passed as the second argument to a conflict-handler. @@ -10813,32 +11130,32 @@ SQLITE_API int sqlite3changeset_apply_v2( ** <dt>SQLITE_CHANGESET_DATA<dd> ** The conflict handler is invoked with CHANGESET_DATA as the second argument ** when processing a DELETE or UPDATE change if a row with the required -** PRIMARY KEY fields is present in the database, but one or more other -** (non primary-key) fields modified by the update do not contain the +** PRIMARY KEY fields is present in the database, but one or more other +** (non primary-key) fields modified by the update do not contain the ** expected "before" values. -** +** ** The conflicting row, in this case, is the database row with the matching ** primary key. -** +** ** <dt>SQLITE_CHANGESET_NOTFOUND<dd> ** The conflict handler is invoked with CHANGESET_NOTFOUND as the second ** argument when processing a DELETE or UPDATE change if a row with the ** required PRIMARY KEY fields is not present in the database. -** +** ** There is no conflicting row in this case. The results of invoking the ** sqlite3changeset_conflict() API are undefined. -** +** ** <dt>SQLITE_CHANGESET_CONFLICT<dd> ** CHANGESET_CONFLICT is passed as the second argument to the conflict -** handler while processing an INSERT change if the operation would result +** handler while processing an INSERT change if the operation would result ** in duplicate primary key values. -** +** ** The conflicting row in this case is the database row with the matching ** primary key. ** ** <dt>SQLITE_CHANGESET_FOREIGN_KEY<dd> ** If foreign key handling is enabled, and applying a changeset leaves the -** database in a state containing foreign key violations, the conflict +** database in a state containing foreign key violations, the conflict ** handler is invoked with CHANGESET_FOREIGN_KEY as the second argument ** exactly once before the changeset is committed. If the conflict handler ** returns CHANGESET_OMIT, the changes, including those that caused the @@ -10848,12 +11165,12 @@ SQLITE_API int sqlite3changeset_apply_v2( ** No current or conflicting row information is provided. The only function ** it is possible to call on the supplied sqlite3_changeset_iter handle ** is sqlite3changeset_fk_conflicts(). -** +** ** <dt>SQLITE_CHANGESET_CONSTRAINT<dd> -** If any other constraint violation occurs while applying a change (i.e. -** a UNIQUE, CHECK or NOT NULL constraint), the conflict handler is +** If any other constraint violation occurs while applying a change (i.e. +** a UNIQUE, CHECK or NOT NULL constraint), the conflict handler is ** invoked with CHANGESET_CONSTRAINT as the second argument. -** +** ** There is no conflicting row in this case. The results of invoking the ** sqlite3changeset_conflict() API are undefined. ** @@ -10865,7 +11182,7 @@ SQLITE_API int sqlite3changeset_apply_v2( #define SQLITE_CHANGESET_CONSTRAINT 4 #define SQLITE_CHANGESET_FOREIGN_KEY 5 -/* +/* ** CAPI3REF: Constants Returned By The Conflict Handler ** ** A conflict handler callback must return one of the following three values. @@ -10873,13 +11190,13 @@ SQLITE_API int sqlite3changeset_apply_v2( ** <dl> ** <dt>SQLITE_CHANGESET_OMIT<dd> ** If a conflict handler returns this value no special action is taken. The -** change that caused the conflict is not applied. The session module +** change that caused the conflict is not applied. The session module ** continues to the next change in the changeset. ** ** <dt>SQLITE_CHANGESET_REPLACE<dd> ** This value may only be returned if the second argument to the conflict ** handler was SQLITE_CHANGESET_DATA or SQLITE_CHANGESET_CONFLICT. If this -** is not the case, any changes applied so far are rolled back and the +** is not the case, any changes applied so far are rolled back and the ** call to sqlite3changeset_apply() returns SQLITE_MISUSE. ** ** If CHANGESET_REPLACE is returned by an SQLITE_CHANGESET_DATA conflict @@ -10892,7 +11209,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** the original row is restored to the database before continuing. ** ** <dt>SQLITE_CHANGESET_ABORT<dd> -** If this value is returned, any changes applied so far are rolled back +** If this value is returned, any changes applied so far are rolled back ** and the call to sqlite3changeset_apply() returns SQLITE_ABORT. ** </dl> */ @@ -10900,20 +11217,20 @@ SQLITE_API int sqlite3changeset_apply_v2( #define SQLITE_CHANGESET_REPLACE 1 #define SQLITE_CHANGESET_ABORT 2 -/* +/* ** CAPI3REF: Rebasing changesets ** EXPERIMENTAL ** ** Suppose there is a site hosting a database in state S0. And that ** modifications are made that move that database to state S1 and a ** changeset recorded (the "local" changeset). Then, a changeset based -** on S0 is received from another site (the "remote" changeset) and -** applied to the database. The database is then in state +** on S0 is received from another site (the "remote" changeset) and +** applied to the database. The database is then in state ** (S1+"remote"), where the exact state depends on any conflict ** resolution decisions (OMIT or REPLACE) made while applying "remote". -** Rebasing a changeset is to update it to take those conflict +** Rebasing a changeset is to update it to take those conflict ** resolution decisions into account, so that the same conflicts -** do not have to be resolved elsewhere in the network. +** do not have to be resolved elsewhere in the network. ** ** For example, if both the local and remote changesets contain an ** INSERT of the same key on "CREATE TABLE t1(a PRIMARY KEY, b)": @@ -10932,7 +11249,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** ** <dl> ** <dt>Local INSERT<dd> -** This may only conflict with a remote INSERT. If the conflict +** This may only conflict with a remote INSERT. If the conflict ** resolution was OMIT, then add an UPDATE change to the rebased ** changeset. Or, if the conflict resolution was REPLACE, add ** nothing to the rebased changeset. @@ -10956,12 +11273,12 @@ SQLITE_API int sqlite3changeset_apply_v2( ** the old.* values are rebased using the new.* values in the remote ** change. Or, if the resolution is REPLACE, then the change is copied ** into the rebased changeset with updates to columns also updated by -** the conflicting remote UPDATE removed. If this means no columns would +** the conflicting remote UPDATE removed. If this means no columns would ** be updated, the change is omitted. ** </dl> ** -** A local change may be rebased against multiple remote changes -** simultaneously. If a single key is modified by multiple remote +** A local change may be rebased against multiple remote changes +** simultaneously. If a single key is modified by multiple remote ** changesets, they are combined as follows before the local changeset ** is rebased: ** @@ -10974,10 +11291,10 @@ SQLITE_API int sqlite3changeset_apply_v2( ** of the OMIT resolutions. ** </ul> ** -** Note that conflict resolutions from multiple remote changesets are -** combined on a per-field basis, not per-row. This means that in the -** case of multiple remote UPDATE operations, some fields of a single -** local change may be rebased for REPLACE while others are rebased for +** Note that conflict resolutions from multiple remote changesets are +** combined on a per-field basis, not per-row. This means that in the +** case of multiple remote UPDATE operations, some fields of a single +** local change may be rebased for REPLACE while others are rebased for ** OMIT. ** ** In order to rebase a local changeset, the remote changeset must first @@ -10985,7 +11302,7 @@ SQLITE_API int sqlite3changeset_apply_v2( ** the buffer of rebase information captured. Then: ** ** <ol> -** <li> An sqlite3_rebaser object is created by calling +** <li> An sqlite3_rebaser object is created by calling ** sqlite3rebaser_create(). ** <li> The new object is configured with the rebase buffer obtained from ** sqlite3changeset_apply_v2() by calling sqlite3rebaser_configure(). @@ -11006,8 +11323,8 @@ typedef struct sqlite3_rebaser sqlite3_rebaser; ** ** Allocate a new changeset rebaser object. If successful, set (*ppNew) to ** point to the new object and return SQLITE_OK. Otherwise, if an error -** occurs, return an SQLite error code (e.g. SQLITE_NOMEM) and set (*ppNew) -** to NULL. +** occurs, return an SQLite error code (e.g. SQLITE_NOMEM) and set (*ppNew) +** to NULL. */ SQLITE_API int sqlite3rebaser_create(sqlite3_rebaser **ppNew); @@ -11021,9 +11338,9 @@ SQLITE_API int sqlite3rebaser_create(sqlite3_rebaser **ppNew); ** sqlite3changeset_apply_v2(). */ SQLITE_API int sqlite3rebaser_configure( - sqlite3_rebaser*, + sqlite3_rebaser*, int nRebase, const void *pRebase -); +); /* ** CAPI3REF: Rebase a changeset @@ -11031,9 +11348,9 @@ SQLITE_API int sqlite3rebaser_configure( ** ** Argument pIn must point to a buffer containing a changeset nIn bytes ** in size. This function allocates and populates a buffer with a copy -** of the changeset rebased rebased according to the configuration of the +** of the changeset rebased according to the configuration of the ** rebaser object passed as the first argument. If successful, (*ppOut) -** is set to point to the new buffer containing the rebased changeset and +** is set to point to the new buffer containing the rebased changeset and ** (*pnOut) to its size in bytes and SQLITE_OK returned. It is the ** responsibility of the caller to eventually free the new buffer using ** sqlite3_free(). Otherwise, if an error occurs, (*ppOut) and (*pnOut) @@ -11041,8 +11358,8 @@ SQLITE_API int sqlite3rebaser_configure( */ SQLITE_API int sqlite3rebaser_rebase( sqlite3_rebaser*, - int nIn, const void *pIn, - int *pnOut, void **ppOut + int nIn, const void *pIn, + int *pnOut, void **ppOut ); /* @@ -11053,30 +11370,30 @@ SQLITE_API int sqlite3rebaser_rebase( ** should be one call to this function for each successful invocation ** of sqlite3rebaser_create(). */ -SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); +SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); /* ** CAPI3REF: Streaming Versions of API functions. ** -** The six streaming API xxx_strm() functions serve similar purposes to the +** The six streaming API xxx_strm() functions serve similar purposes to the ** corresponding non-streaming API functions: ** ** <table border=1 style="margin-left:8ex;margin-right:8ex"> ** <tr><th>Streaming function<th>Non-streaming equivalent</th> -** <tr><td>sqlite3changeset_apply_strm<td>[sqlite3changeset_apply] -** <tr><td>sqlite3changeset_apply_strm_v2<td>[sqlite3changeset_apply_v2] -** <tr><td>sqlite3changeset_concat_strm<td>[sqlite3changeset_concat] -** <tr><td>sqlite3changeset_invert_strm<td>[sqlite3changeset_invert] -** <tr><td>sqlite3changeset_start_strm<td>[sqlite3changeset_start] -** <tr><td>sqlite3session_changeset_strm<td>[sqlite3session_changeset] -** <tr><td>sqlite3session_patchset_strm<td>[sqlite3session_patchset] +** <tr><td>sqlite3changeset_apply_strm<td>[sqlite3changeset_apply] +** <tr><td>sqlite3changeset_apply_strm_v2<td>[sqlite3changeset_apply_v2] +** <tr><td>sqlite3changeset_concat_strm<td>[sqlite3changeset_concat] +** <tr><td>sqlite3changeset_invert_strm<td>[sqlite3changeset_invert] +** <tr><td>sqlite3changeset_start_strm<td>[sqlite3changeset_start] +** <tr><td>sqlite3session_changeset_strm<td>[sqlite3session_changeset] +** <tr><td>sqlite3session_patchset_strm<td>[sqlite3session_patchset] ** </table> ** ** Non-streaming functions that accept changesets (or patchsets) as input -** require that the entire changeset be stored in a single buffer in memory. -** Similarly, those that return a changeset or patchset do so by returning -** a pointer to a single large buffer allocated using sqlite3_malloc(). -** Normally this is convenient. However, if an application running in a +** require that the entire changeset be stored in a single buffer in memory. +** Similarly, those that return a changeset or patchset do so by returning +** a pointer to a single large buffer allocated using sqlite3_malloc(). +** Normally this is convenient. However, if an application running in a ** low-memory environment is required to handle very large changesets, the ** large contiguous memory allocations required can become onerous. ** @@ -11098,12 +11415,12 @@ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); ** </pre> ** ** Each time the xInput callback is invoked by the sessions module, the first -** argument passed is a copy of the supplied pIn context pointer. The second -** argument, pData, points to a buffer (*pnData) bytes in size. Assuming no -** error occurs the xInput method should copy up to (*pnData) bytes of data -** into the buffer and set (*pnData) to the actual number of bytes copied -** before returning SQLITE_OK. If the input is completely exhausted, (*pnData) -** should be set to zero to indicate this. Or, if an error occurs, an SQLite +** argument passed is a copy of the supplied pIn context pointer. The second +** argument, pData, points to a buffer (*pnData) bytes in size. Assuming no +** error occurs the xInput method should copy up to (*pnData) bytes of data +** into the buffer and set (*pnData) to the actual number of bytes copied +** before returning SQLITE_OK. If the input is completely exhausted, (*pnData) +** should be set to zero to indicate this. Or, if an error occurs, an SQLite ** error code should be returned. In all cases, if an xInput callback returns ** an error, all processing is abandoned and the streaming API function ** returns a copy of the error code to the caller. @@ -11111,7 +11428,7 @@ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); ** In the case of sqlite3changeset_start_strm(), the xInput callback may be ** invoked by the sessions module at any point during the lifetime of the ** iterator. If such an xInput callback returns an error, the iterator enters -** an error state, whereby all subsequent calls to iterator functions +** an error state, whereby all subsequent calls to iterator functions ** immediately fail with the same error code as returned by xInput. ** ** Similarly, streaming API functions that return changesets (or patchsets) @@ -11141,7 +11458,7 @@ SQLITE_API void sqlite3rebaser_delete(sqlite3_rebaser *p); ** is immediately abandoned and the streaming API function returns a copy ** of the xOutput error code to the application. ** -** The sessions module never invokes an xOutput callback with the third +** The sessions module never invokes an xOutput callback with the third ** parameter set to a value less than or equal to zero. Other than this, ** no guarantees are made as to the size of the chunks of data returned. */ @@ -11212,12 +11529,12 @@ SQLITE_API int sqlite3session_patchset_strm( int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ); -SQLITE_API int sqlite3changegroup_add_strm(sqlite3_changegroup*, +SQLITE_API int sqlite3changegroup_add_strm(sqlite3_changegroup*, int (*xInput)(void *pIn, void *pData, int *pnData), void *pIn ); SQLITE_API int sqlite3changegroup_output_strm(sqlite3_changegroup*, - int (*xOutput)(void *pOut, const void *pData, int nData), + int (*xOutput)(void *pOut, const void *pData, int nData), void *pOut ); SQLITE_API int sqlite3rebaser_rebase_strm( @@ -11232,16 +11549,16 @@ SQLITE_API int sqlite3rebaser_rebase_strm( ** CAPI3REF: Configure global parameters ** ** The sqlite3session_config() interface is used to make global configuration -** changes to the sessions module in order to tune it to the specific needs +** changes to the sessions module in order to tune it to the specific needs ** of the application. ** ** The sqlite3session_config() interface is not threadsafe. If it is invoked ** while any other thread is inside any other sessions method then the ** results are undefined. Furthermore, if it is invoked after any sessions -** related objects have been created, the results are also undefined. +** related objects have been created, the results are also undefined. ** ** The first argument to the sqlite3session_config() function must be one -** of the SQLITE_SESSION_CONFIG_XXX constants defined below. The +** of the SQLITE_SESSION_CONFIG_XXX constants defined below. The ** interpretation of the (void*) value passed as the second parameter and ** the effect of calling this function depends on the value of the first ** parameter. @@ -11291,7 +11608,7 @@ SQLITE_API int sqlite3session_config(int op, void *pArg); ** ****************************************************************************** ** -** Interfaces to extend FTS5. Using the interfaces defined in this file, +** Interfaces to extend FTS5. Using the interfaces defined in this file, ** FTS5 may be extended with: ** ** * custom tokenizers, and @@ -11335,19 +11652,19 @@ struct Fts5PhraseIter { ** EXTENSION API FUNCTIONS ** ** xUserData(pFts): -** Return a copy of the context pointer the extension function was +** Return a copy of the context pointer the extension function was ** registered with. ** ** xColumnTotalSize(pFts, iCol, pnToken): ** If parameter iCol is less than zero, set output variable *pnToken ** to the total number of tokens in the FTS5 table. Or, if iCol is ** non-negative but less than the number of columns in the table, return -** the total number of tokens in column iCol, considering all rows in +** the total number of tokens in column iCol, considering all rows in ** the FTS5 table. ** ** If parameter iCol is greater than or equal to the number of columns ** in the table, SQLITE_RANGE is returned. Or, if an error occurs (e.g. -** an OOM condition or IO error), an appropriate SQLite error code is +** an OOM condition or IO error), an appropriate SQLite error code is ** returned. ** ** xColumnCount(pFts): @@ -11361,7 +11678,7 @@ struct Fts5PhraseIter { ** ** If parameter iCol is greater than or equal to the number of columns ** in the table, SQLITE_RANGE is returned. Or, if an error occurs (e.g. -** an OOM condition or IO error), an appropriate SQLite error code is +** an OOM condition or IO error), an appropriate SQLite error code is ** returned. ** ** This function may be quite inefficient if used with an FTS5 table @@ -11388,8 +11705,8 @@ struct Fts5PhraseIter { ** an error code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. If the FTS5 table is created -** with either "detail=none" or "detail=column" and "content=" option +** "detail=none" or "detail=column" option. If the FTS5 table is created +** with either "detail=none" or "detail=column" and "content=" option ** (i.e. if it is a contentless table), then this API always returns 0. ** ** xInst: @@ -11404,7 +11721,7 @@ struct Fts5PhraseIter { ** code (i.e. SQLITE_NOMEM) if an error occurs. ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. +** "detail=none" or "detail=column" option. ** ** xRowid: ** Returns the rowid of the current row. @@ -11420,11 +11737,11 @@ struct Fts5PhraseIter { ** ** with $p set to a phrase equivalent to the phrase iPhrase of the ** current query is executed. Any column filter that applies to -** phrase iPhrase of the current query is included in $p. For each -** row visited, the callback function passed as the fourth argument -** is invoked. The context and API objects passed to the callback +** phrase iPhrase of the current query is included in $p. For each +** row visited, the callback function passed as the fourth argument +** is invoked. The context and API objects passed to the callback ** function may be used to access the properties of each matched row. -** Invoking Api.xUserData() returns a copy of the pointer passed as +** Invoking Api.xUserData() returns a copy of the pointer passed as ** the third argument to pUserData. ** ** If the callback function returns any value other than SQLITE_OK, the @@ -11439,14 +11756,14 @@ struct Fts5PhraseIter { ** ** xSetAuxdata(pFts5, pAux, xDelete) ** -** Save the pointer passed as the second argument as the extension functions +** Save the pointer passed as the second argument as the extension function's ** "auxiliary data". The pointer may then be retrieved by the current or any ** future invocation of the same fts5 extension function made as part of ** the same MATCH query using the xGetAuxdata() API. ** ** Each extension function is allocated a single auxiliary data slot for -** each FTS query (MATCH expression). If the extension function is invoked -** more than once for a single FTS query, then all invocations share a +** each FTS query (MATCH expression). If the extension function is invoked +** more than once for a single FTS query, then all invocations share a ** single auxiliary data context. ** ** If there is already an auxiliary data pointer when this function is @@ -11465,7 +11782,7 @@ struct Fts5PhraseIter { ** ** xGetAuxdata(pFts5, bClear) ** -** Returns the current auxiliary data pointer for the fts5 extension +** Returns the current auxiliary data pointer for the fts5 extension ** function. See the xSetAuxdata() method for details. ** ** If the bClear argument is non-zero, then the auxiliary data is cleared @@ -11485,7 +11802,7 @@ struct Fts5PhraseIter { ** method, to iterate through all instances of a single query phrase within ** the current row. This is the same information as is accessible via the ** xInstCount/xInst APIs. While the xInstCount/xInst APIs are more convenient -** to use, this API may be faster under some circumstances. To iterate +** to use, this API may be faster under some circumstances. To iterate ** through instances of phrase iPhrase, use the following code: ** ** Fts5PhraseIter iter; @@ -11503,8 +11820,8 @@ struct Fts5PhraseIter { ** xPhraseFirstColumn() and xPhraseNextColumn() as illustrated below). ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" or "detail=column" option. If the FTS5 table is created -** with either "detail=none" or "detail=column" and "content=" option +** "detail=none" or "detail=column" option. If the FTS5 table is created +** with either "detail=none" or "detail=column" and "content=" option ** (i.e. if it is a contentless table), then this API always iterates ** through an empty set (all calls to xPhraseFirst() set iCol to -1). ** @@ -11528,16 +11845,16 @@ struct Fts5PhraseIter { ** } ** ** This API can be quite slow if used with an FTS5 table created with the -** "detail=none" option. If the FTS5 table is created with either -** "detail=none" "content=" option (i.e. if it is a contentless table), -** then this API always iterates through an empty set (all calls to +** "detail=none" option. If the FTS5 table is created with either +** "detail=none" "content=" option (i.e. if it is a contentless table), +** then this API always iterates through an empty set (all calls to ** xPhraseFirstColumn() set iCol to -1). ** ** The information accessed using this API and its companion ** xPhraseFirstColumn() may also be obtained using xPhraseFirst/xPhraseNext ** (or xInst/xInstCount). The chief advantage of this API is that it is ** significantly more efficient than those alternatives when used with -** "detail=column" tables. +** "detail=column" tables. ** ** xPhraseNextColumn() ** See xPhraseFirstColumn above. @@ -11551,7 +11868,7 @@ struct Fts5ExtensionApi { int (*xRowCount)(Fts5Context*, sqlite3_int64 *pnRow); int (*xColumnTotalSize)(Fts5Context*, int iCol, sqlite3_int64 *pnToken); - int (*xTokenize)(Fts5Context*, + int (*xTokenize)(Fts5Context*, const char *pText, int nText, /* Text to tokenize */ void *pCtx, /* Context passed to xToken() */ int (*xToken)(void*, int, const char*, int, int, int) /* Callback */ @@ -11580,15 +11897,15 @@ struct Fts5ExtensionApi { void (*xPhraseNextColumn)(Fts5Context*, Fts5PhraseIter*, int *piCol); }; -/* +/* ** CUSTOM AUXILIARY FUNCTIONS *************************************************************************/ /************************************************************************* ** CUSTOM TOKENIZERS ** -** Applications may also register custom tokenizer types. A tokenizer -** is registered by providing fts5 with a populated instance of the +** Applications may also register custom tokenizer types. A tokenizer +** is registered by providing fts5 with a populated instance of the ** following structure. All structure methods must be defined, setting ** any member of the fts5_tokenizer struct to NULL leads to undefined ** behaviour. The structure methods are expected to function as follows: @@ -11599,16 +11916,16 @@ struct Fts5ExtensionApi { ** ** The first argument passed to this function is a copy of the (void*) ** pointer provided by the application when the fts5_tokenizer object -** was registered with FTS5 (the third argument to xCreateTokenizer()). +** was registered with FTS5 (the third argument to xCreateTokenizer()). ** The second and third arguments are an array of nul-terminated strings ** containing the tokenizer arguments, if any, specified following the ** tokenizer name as part of the CREATE VIRTUAL TABLE statement used ** to create the FTS5 table. ** -** The final argument is an output variable. If successful, (*ppOut) +** The final argument is an output variable. If successful, (*ppOut) ** should be set to point to the new tokenizer handle and SQLITE_OK ** returned. If an error occurs, some value other than SQLITE_OK should -** be returned. In this case, fts5 assumes that the final value of *ppOut +** be returned. In this case, fts5 assumes that the final value of *ppOut ** is undefined. ** ** xDelete: @@ -11617,7 +11934,7 @@ struct Fts5ExtensionApi { ** be invoked exactly once for each successful call to xCreate(). ** ** xTokenize: -** This function is expected to tokenize the nText byte string indicated +** This function is expected to tokenize the nText byte string indicated ** by argument pText. pText may or may not be nul-terminated. The first ** argument passed to this function is a pointer to an Fts5Tokenizer object ** returned by an earlier call to xCreate(). @@ -11631,8 +11948,8 @@ struct Fts5ExtensionApi { ** determine the set of tokens to add to (or delete from) the ** FTS index. ** -** <li> <b>FTS5_TOKENIZE_QUERY</b> - A MATCH query is being executed -** against the FTS index. The tokenizer is being called to tokenize +** <li> <b>FTS5_TOKENIZE_QUERY</b> - A MATCH query is being executed +** against the FTS index. The tokenizer is being called to tokenize ** a bareword or quoted string specified as part of the query. ** ** <li> <b>(FTS5_TOKENIZE_QUERY | FTS5_TOKENIZE_PREFIX)</b> - Same as @@ -11640,10 +11957,10 @@ struct Fts5ExtensionApi { ** followed by a "*" character, indicating that the last token ** returned by the tokenizer will be treated as a token prefix. ** -** <li> <b>FTS5_TOKENIZE_AUX</b> - The tokenizer is being invoked to +** <li> <b>FTS5_TOKENIZE_AUX</b> - The tokenizer is being invoked to ** satisfy an fts5_api.xTokenize() request made by an auxiliary ** function. Or an fts5_api.xColumnSize() request made by the same -** on a columnsize=0 database. +** on a columnsize=0 database. ** </ul> ** ** For each token in the input string, the supplied callback xToken() must @@ -11655,10 +11972,10 @@ struct Fts5ExtensionApi { ** which the token is derived within the input. ** ** The second argument passed to the xToken() callback ("tflags") should -** normally be set to 0. The exception is if the tokenizer supports +** normally be set to 0. The exception is if the tokenizer supports ** synonyms. In this case see the discussion below for details. ** -** FTS5 assumes the xToken() callback is invoked for each token in the +** FTS5 assumes the xToken() callback is invoked for each token in the ** order that they occur within the input text. ** ** If an xToken() callback returns any value other than SQLITE_OK, then @@ -11672,7 +11989,7 @@ struct Fts5ExtensionApi { ** SYNONYM SUPPORT ** ** Custom tokenizers may also support synonyms. Consider a case in which a -** user wishes to query for a phrase such as "first place". Using the +** user wishes to query for a phrase such as "first place". Using the ** built-in tokenizers, the FTS5 query 'first + place' will match instances ** of "first place" within the document set, but not alternative forms ** such as "1st place". In some applications, it would be better to match @@ -11681,8 +11998,8 @@ struct Fts5ExtensionApi { ** ** There are several ways to approach this in FTS5: ** -** <ol><li> By mapping all synonyms to a single token. In this case, the -** In the above example, this means that the tokenizer returns the +** <ol><li> By mapping all synonyms to a single token. In this case, using +** the above example, this means that the tokenizer returns the ** same token for inputs "first" and "1st". Say that token is in ** fact "first", so that when the user inserts the document "I won ** 1st place" entries are added to the index for tokens "i", "won", @@ -11692,34 +12009,34 @@ struct Fts5ExtensionApi { ** ** <li> By querying the index for all synonyms of each query term ** separately. In this case, when tokenizing query text, the -** tokenizer may provide multiple synonyms for a single term -** within the document. FTS5 then queries the index for each +** tokenizer may provide multiple synonyms for a single term +** within the document. FTS5 then queries the index for each ** synonym individually. For example, faced with the query: ** ** <codeblock> ** ... MATCH 'first place'</codeblock> ** ** the tokenizer offers both "1st" and "first" as synonyms for the -** first token in the MATCH query and FTS5 effectively runs a query +** first token in the MATCH query and FTS5 effectively runs a query ** similar to: ** ** <codeblock> ** ... MATCH '(first OR 1st) place'</codeblock> ** ** except that, for the purposes of auxiliary functions, the query -** still appears to contain just two phrases - "(first OR 1st)" +** still appears to contain just two phrases - "(first OR 1st)" ** being treated as a single phrase. ** ** <li> By adding multiple synonyms for a single term to the FTS index. ** Using this method, when tokenizing document text, the tokenizer -** provides multiple synonyms for each token. So that when a +** provides multiple synonyms for each token. So that when a ** document such as "I won first place" is tokenized, entries are ** added to the FTS index for "i", "won", "first", "1st" and ** "place". ** ** This way, even if the tokenizer does not provide synonyms ** when tokenizing query text (it should not - to do so would be -** inefficient), it doesn't matter if the user queries for +** inefficient), it doesn't matter if the user queries for ** 'first + place' or '1st + place', as there are entries in the ** FTS index corresponding to both forms of the first token. ** </ol> @@ -11740,11 +12057,11 @@ struct Fts5ExtensionApi { ** ** It is an error to specify the FTS5_TOKEN_COLOCATED flag the first time ** xToken() is called. Multiple synonyms may be specified for a single token -** by making multiple calls to xToken(FTS5_TOKEN_COLOCATED) in sequence. +** by making multiple calls to xToken(FTS5_TOKEN_COLOCATED) in sequence. ** There is no limit to the number of synonyms that may be provided for a ** single token. ** -** In many cases, method (1) above is the best approach. It does not add +** In many cases, method (1) above is the best approach. It does not add ** extra data to the FTS index or require FTS5 to query for multiple terms, ** so it is efficient in terms of disk space and query speed. However, it ** does not support prefix queries very well. If, as suggested above, the @@ -11756,18 +12073,18 @@ struct Fts5ExtensionApi { ** will not match documents that contain the token "1st" (as the tokenizer ** will probably not map "1s" to any prefix of "first"). ** -** For full prefix support, method (3) may be preferred. In this case, +** For full prefix support, method (3) may be preferred. In this case, ** because the index contains entries for both "first" and "1st", prefix ** queries such as 'fi*' or '1s*' will match correctly. However, because ** extra entries are added to the FTS index, this method uses more space ** within the database. ** ** Method (2) offers a midpoint between (1) and (3). Using this method, -** a query such as '1s*' will match documents that contain the literal +** a query such as '1s*' will match documents that contain the literal ** token "1st", but not "first" (assuming the tokenizer is not able to ** provide synonyms for prefixes). However, a non-prefix query like '1st' ** will match against "1st" and "first". This method does not require -** extra disk space, as no extra entries are added to the FTS index. +** extra disk space, as no extra entries are added to the FTS index. ** On the other hand, it may require more CPU cycles to run MATCH queries, ** as separate queries of the FTS index are required for each synonym. ** @@ -11781,10 +12098,10 @@ typedef struct fts5_tokenizer fts5_tokenizer; struct fts5_tokenizer { int (*xCreate)(void*, const char **azArg, int nArg, Fts5Tokenizer **ppOut); void (*xDelete)(Fts5Tokenizer*); - int (*xTokenize)(Fts5Tokenizer*, + int (*xTokenize)(Fts5Tokenizer*, void *pCtx, int flags, /* Mask of FTS5_TOKENIZE_* flags */ - const char *pText, int nText, + const char *pText, int nText, int (*xToken)( void *pCtx, /* Copy of 2nd argument to xTokenize() */ int tflags, /* Mask of FTS5_TOKEN_* flags */ |