roundgis
/
pypy_sqlite3
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

update sqlite version to 3.34.1

Browse Source
master
Ubuntu 5 years ago
parent d1bac45936
commit 6f27c7837b
3 changed files with 15853 additions and 12380 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 10913
      src/sqlite3.c
  2. 341
      src/sqlite3.h
  3. 13
      src/sqlite3ext.h

10913
src/sqlite3.c
View File

File diff suppressed because it is too large Load Diff

341
src/sqlite3.h
Unescape View File

@ -123,9 +123,9 @@ extern "C" {
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION "3.31.1"
#define SQLITE_VERSION_NUMBER 3031001
#define SQLITE_SOURCE_ID "2020-01-27 19:55:54 3bfa9cc97da10598521b342961df8f5f68c7388fa117345eeb516eaa837bb4d6"
#define SQLITE_VERSION "3.34.1"
#define SQLITE_VERSION_NUMBER 3034001
#define SQLITE_SOURCE_ID "2021-01-20 14:10:07 10e20c0b43500cfb9bbc0eaa061c57514f715d87238f4d835880cd846b9ebd1f"
/*
** CAPI3REF: Run-Time Library Version Numbers
@ -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.
@ -507,10 +503,13 @@ 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_IOERR_CORRUPTFS (SQLITE_IOERR | (33<<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))
@ -519,6 +518,7 @@ SQLITE_API int sqlite3_exec(
#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))
@ -565,7 +565,7 @@ 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() */
@ -574,6 +574,9 @@ SQLITE_API int sqlite3_exec(
#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
@ -871,7 +874,7 @@ struct sqlite3_io_methods {
** 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
** 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.
@ -1087,10 +1090,12 @@ 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
@ -1112,6 +1117,11 @@ struct sqlite3_io_methods {
** 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
@ -1155,6 +1165,8 @@ struct sqlite3_io_methods {
#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
@ -1259,7 +1271,7 @@ 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>)^
**
@ -1637,7 +1649,7 @@ SQLITE_API int sqlite3_db_config(sqlite3*, int op, ...);
** 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
@ -2275,8 +2287,7 @@ struct sqlite3_mem_methods {
** [[SQLITE_DBCONFIG_TRUSTED_SCHEMA]]
** <dt>SQLITE_DBCONFIG_TRUSTED_SCHEMA</td>
** <dd>The SQLITE_DBCONFIG_TRUSTED_SCHEMA option tells SQLite to
** assume that database schemas (the contents of the [sqlite_master] tables)
** are untainted by malicious content.
** 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:
@ -3533,8 +3544,19 @@ SQLITE_API int sqlite3_open_v2(
** 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 or it is the return value of [sqlite3_db_filename()]
** 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
@ -3617,6 +3639,78 @@ 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 not 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
@ -4199,12 +4293,30 @@ 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
@ -4218,7 +4330,7 @@ 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.
@ -5386,7 +5498,7 @@ SQLITE_API void sqlite3_value_free(sqlite3_value*);
**
** ^(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 any subsequents 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
@ -5543,8 +5655,9 @@ 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
@ -5612,6 +5725,25 @@ 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
@ -5817,51 +5949,6 @@ SQLITE_API int sqlite3_collation_needed16(
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
@ -6100,6 +6187,57 @@ SQLITE_API const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName);
*/
SQLITE_API int sqlite3_db_readonly(sqlite3 *db, const char *zDbName);
/*
** CAPI3REF: Determine the transaction state of a database
** METHOD: sqlite3
**
** ^The sqlite3_txn_state(D,S) interface returns the current
** [transaction state] of schema S in database connection D. ^If S is NULL,
** then the highest transaction state of any schema on database connection D
** is returned. Transaction states are (in order of lowest to highest):
** <ol>
** <li value="0"> SQLITE_TXN_NONE
** <li value="1"> SQLITE_TXN_READ
** <li value="2"> SQLITE_TXN_WRITE
** </ol>
** ^If the S argument to sqlite3_txn_state(D,S) is not the name of
** a valid schema, then -1 is returned.
*/
SQLITE_API int sqlite3_txn_state(sqlite3*,const char *zSchema);
/*
** CAPI3REF: Allowed return values from [sqlite3_txn_state()]
** KEYWORDS: {transaction state}
**
** These constants define the current transaction state of a database file.
** ^The [sqlite3_txn_state(D,S)] interface returns one of these
** constants in order to describe the transaction state of schema S
** in [database connection] D.
**
** <dl>
** [[SQLITE_TXN_NONE]] <dt>SQLITE_TXN_NONE</dt>
** <dd>The SQLITE_TXN_NONE state means that no transaction is currently
** pending.</dd>
**
** [[SQLITE_TXN_READ]] <dt>SQLITE_TXN_READ</dt>
** <dd>The SQLITE_TXN_READ state means that the database is currently
** in a read transaction. Content has been read from the database file
** but nothing in the database file has changed. The transaction state
** will advanced to SQLITE_TXN_WRITE if any changes occur and there are
** no other conflicting concurrent write transactions. The transaction
** state will revert to SQLITE_TXN_NONE following a [ROLLBACK] or
** [COMMIT].</dd>
**
** [[SQLITE_TXN_WRITE]] <dt>SQLITE_TXN_WRITE</dt>
** <dd>The SQLITE_TXN_WRITE state means that the database is currently
** in a write transaction. Content has been written to the database file
** but has not yet committed. The transaction state will change to
** to SQLITE_TXN_NONE at the next [ROLLBACK] or [COMMIT].</dd>
*/
#define SQLITE_TXN_NONE 0
#define SQLITE_TXN_READ 1
#define SQLITE_TXN_WRITE 2
/*
** CAPI3REF: Find the next prepared statement
** METHOD: sqlite3
@ -6190,7 +6328,7 @@ 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
@ -7292,7 +7430,7 @@ 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
@ -7494,7 +7632,7 @@ 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() */
@ -7509,6 +7647,10 @@ 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
@ -7604,7 +7746,7 @@ 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 */
@ -7622,7 +7764,8 @@ SQLITE_API int sqlite3_test_control(int op, ...);
#define SQLITE_TESTCTRL_RESULT_INTREAL 27
#define SQLITE_TESTCTRL_PRNG_SEED 28
#define SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS 29
#define SQLITE_TESTCTRL_LAST 29 /* Largest TESTCTRL */
#define SQLITE_TESTCTRL_SEEK_COUNT 30
#define SQLITE_TESTCTRL_LAST 30 /* Largest TESTCTRL */
/*
** CAPI3REF: SQL Keyword Checking
@ -9102,10 +9245,11 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *);
** CAPI3REF: Determine If Virtual Table Column Access Is For UPDATE
**
** If the sqlite3_vtab_nochange(X) routine is called within the [xColumn]
** method of a [virtual table], then it returns true if and only if the
** method of a [virtual table], then it might return true if the
** column is being fetched as part of an UPDATE operation during which the
** column value will not change. Applications might use this to substitute
** a return value that is less expensive to compute and that the corresponding
** column value will not change. The virtual table implementation can use
** this hint as permission to substitute a return value that is less
** expensive to compute and that the corresponding
** [xUpdate] method understands as a "no-change" value.
**
** If the [xColumn] method calls sqlite3_vtab_nochange() and finds that
@ -9114,6 +9258,12 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *);
** any of the [sqlite3_result_int|sqlite3_result_xxxxx() interfaces].
** In that case, [sqlite3_value_nochange(X)] will return true for the
** same column in the [xUpdate] method.
**
** The sqlite3_vtab_nochange() routine is an optimization. Virtual table
** implementations should continue to give a correct answer even if the
** sqlite3_vtab_nochange() interface were to always return false. In the
** current implementation, the sqlite3_vtab_nochange() interface does always
** returns false for the enhanced [UPDATE FROM] statement.
*/
SQLITE_API int sqlite3_vtab_nochange(sqlite3_context*);
@ -9255,6 +9405,7 @@ SQLITE_API void sqlite3_stmt_scanstatus_reset(sqlite3_stmt*);
/*
** CAPI3REF: Flush caches to disk mid-transaction
** METHOD: sqlite3
**
** ^If a write-transaction is open on [database connection] D when the
** [sqlite3_db_cacheflush(D)] interface invoked, any dirty
@ -9287,6 +9438,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*);
/*
** CAPI3REF: The pre-update hook.
** METHOD: sqlite3
**
** ^These interfaces are only available if SQLite is compiled using the
** [SQLITE_ENABLE_PREUPDATE_HOOK] compile-time option.
@ -9304,7 +9456,7 @@ 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.
@ -9327,7 +9479,7 @@ SQLITE_API int sqlite3_db_cacheflush(sqlite3*);
** seventh parameter is the final rowid value of the row being inserted
** or updated. The value of the seventh parameter passed to the callback
** function is not defined for operations on WITHOUT ROWID tables, or for
** INSERT operations on rowid tables.
** DELETE operations on rowid tables.
**
** The [sqlite3_preupdate_old()], [sqlite3_preupdate_new()],
** [sqlite3_preupdate_count()], and [sqlite3_preupdate_depth()] interfaces
@ -9389,6 +9541,7 @@ SQLITE_API int sqlite3_preupdate_new(sqlite3 *, int, sqlite3_value **);
/*
** CAPI3REF: Low-level system error code
** METHOD: sqlite3
**
** ^Attempt to return the underlying operating system error code or error
** number that caused the most recent I/O error or failure to open a file.

13
src/sqlite3ext.h
Unescape View File

@ -330,6 +330,13 @@ struct sqlite3_api_routines {
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*);
/* Version 3.34.0 and later */
int (*txn_state)(sqlite3*,const char*);
};
/*
@ -630,6 +637,12 @@ typedef int (*sqlite3_loadext_entry)(
#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
/* Version 3.34.0 and later */
#define sqlite3_txn_state sqlite3_api->txn_state
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */
#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)

Write Preview
Loading…
Cancel
Save