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updated to SQLite 3.8.6

This commit is contained in:
Kenichi Ishigaki 2014-08-16 22:13:54 +09:00
parent 69a785e173
commit 302741f5f3
2 changed files with 2287 additions and 1171 deletions

3324
sqlite3.c

File diff suppressed because it is too large Load diff

134
sqlite3.h
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@ -107,9 +107,9 @@ extern "C" {
** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()]. ** [sqlite_version()] and [sqlite_source_id()].
*/ */
#define SQLITE_VERSION "3.8.5" #define SQLITE_VERSION "3.8.6"
#define SQLITE_VERSION_NUMBER 3008005 #define SQLITE_VERSION_NUMBER 3008006
#define SQLITE_SOURCE_ID "2014-06-04 14:06:34 b1ed4f2a34ba66c29b130f8d13e9092758019212" #define SQLITE_SOURCE_ID "2014-08-15 11:46:33 9491ba7d738528f168657adb43a198238abde19e"
/* /*
** CAPI3REF: Run-Time Library Version Numbers ** CAPI3REF: Run-Time Library Version Numbers
@ -269,7 +269,7 @@ typedef sqlite_uint64 sqlite3_uint64;
** **
** ^The sqlite3_close() and sqlite3_close_v2() routines are destructors ** ^The sqlite3_close() and sqlite3_close_v2() routines are destructors
** for the [sqlite3] object. ** for the [sqlite3] object.
** ^Calls to sqlite3_close() and sqlite3_close_v2() return SQLITE_OK if ** ^Calls to sqlite3_close() and sqlite3_close_v2() return [SQLITE_OK] if
** the [sqlite3] object is successfully destroyed and all associated ** the [sqlite3] object is successfully destroyed and all associated
** resources are deallocated. ** resources are deallocated.
** **
@ -277,7 +277,7 @@ typedef sqlite_uint64 sqlite3_uint64;
** statements or unfinished sqlite3_backup objects then sqlite3_close() ** statements or unfinished sqlite3_backup objects then sqlite3_close()
** will leave the database connection open and return [SQLITE_BUSY]. ** will leave the database connection open and return [SQLITE_BUSY].
** ^If sqlite3_close_v2() is called with unfinalized prepared statements ** ^If sqlite3_close_v2() is called with unfinalized prepared statements
** and unfinished sqlite3_backups, then the database connection becomes ** and/or unfinished sqlite3_backups, then the database connection becomes
** an unusable "zombie" which will automatically be deallocated when the ** an unusable "zombie" which will automatically be deallocated when the
** last prepared statement is finalized or the last sqlite3_backup is ** last prepared statement is finalized or the last sqlite3_backup is
** finished. The sqlite3_close_v2() interface is intended for use with ** finished. The sqlite3_close_v2() interface is intended for use with
@ -290,7 +290,7 @@ typedef sqlite_uint64 sqlite3_uint64;
** with the [sqlite3] object prior to attempting to close the object. ^If ** with the [sqlite3] object prior to attempting to close the object. ^If
** sqlite3_close_v2() is called on a [database connection] that still has ** sqlite3_close_v2() is called on a [database connection] that still has
** outstanding [prepared statements], [BLOB handles], and/or ** outstanding [prepared statements], [BLOB handles], and/or
** [sqlite3_backup] objects then it returns SQLITE_OK but the deallocation ** [sqlite3_backup] objects then it returns [SQLITE_OK] and the deallocation
** of resources is deferred until all [prepared statements], [BLOB handles], ** of resources is deferred until all [prepared statements], [BLOB handles],
** and [sqlite3_backup] objects are also destroyed. ** and [sqlite3_backup] objects are also destroyed.
** **
@ -386,16 +386,14 @@ SQLITE_API int sqlite3_exec(
/* /*
** CAPI3REF: Result Codes ** CAPI3REF: Result Codes
** KEYWORDS: SQLITE_OK {error code} {error codes} ** KEYWORDS: {result code definitions}
** KEYWORDS: {result code} {result codes}
** **
** Many SQLite functions return an integer result code from the set shown ** Many SQLite functions return an integer result code from the set shown
** here in order to indicate success or failure. ** here in order to indicate success or failure.
** **
** New error codes may be added in future versions of SQLite. ** New error codes may be added in future versions of SQLite.
** **
** See also: [SQLITE_IOERR_READ | extended result codes], ** See also: [extended result code definitions]
** [sqlite3_vtab_on_conflict()] [SQLITE_ROLLBACK | result codes].
*/ */
#define SQLITE_OK 0 /* Successful result */ #define SQLITE_OK 0 /* Successful result */
/* beginning-of-error-codes */ /* beginning-of-error-codes */
@ -433,26 +431,19 @@ SQLITE_API int sqlite3_exec(
/* /*
** CAPI3REF: Extended Result Codes ** CAPI3REF: Extended Result Codes
** KEYWORDS: {extended error code} {extended error codes} ** KEYWORDS: {extended result code definitions}
** KEYWORDS: {extended result code} {extended result codes}
** **
** In its default configuration, SQLite API routines return one of 26 integer ** In its default configuration, SQLite API routines return one of 30 integer
** [SQLITE_OK | result codes]. However, experience has shown that many of ** [result codes]. However, experience has shown that many of
** these result codes are too coarse-grained. They do not provide as ** these result codes are too coarse-grained. They do not provide as
** much information about problems as programmers might like. In an effort to ** much information about problems as programmers might like. In an effort to
** address this, newer versions of SQLite (version 3.3.8 and later) include ** address this, newer versions of SQLite (version 3.3.8 and later) include
** support for additional result codes that provide more detailed information ** support for additional result codes that provide more detailed information
** about errors. The extended result codes are enabled or disabled ** about errors. These [extended result codes] are enabled or disabled
** on a per database connection basis using the ** on a per database connection basis using the
** [sqlite3_extended_result_codes()] API. ** [sqlite3_extended_result_codes()] API. Or, the extended code for
** ** the most recent error can be obtained using
** Some of the available extended result codes are listed here. ** [sqlite3_extended_errcode()].
** One may expect the number of extended result codes will increase
** over time. Software that uses extended result codes should expect
** to see new result codes in future releases of SQLite.
**
** The SQLITE_OK result code will never be extended. It will always
** be exactly zero.
*/ */
#define SQLITE_IOERR_READ (SQLITE_IOERR | (1<<8)) #define SQLITE_IOERR_READ (SQLITE_IOERR | (1<<8))
#define SQLITE_IOERR_SHORT_READ (SQLITE_IOERR | (2<<8)) #define SQLITE_IOERR_SHORT_READ (SQLITE_IOERR | (2<<8))
@ -685,7 +676,7 @@ struct sqlite3_file {
** locking strategy (for example to use dot-file locks), to inquire ** locking strategy (for example to use dot-file locks), to inquire
** about the status of a lock, or to break stale locks. The SQLite ** about the status of a lock, or to break stale locks. The SQLite
** core reserves all opcodes less than 100 for its own use. ** core reserves all opcodes less than 100 for its own use.
** A [SQLITE_FCNTL_LOCKSTATE | list of opcodes] less than 100 is available. ** A [file control opcodes | list of opcodes] less than 100 is available.
** Applications that define a custom xFileControl method should use opcodes ** Applications that define a custom xFileControl method should use opcodes
** greater than 100 to avoid conflicts. VFS implementations should ** greater than 100 to avoid conflicts. VFS implementations should
** return [SQLITE_NOTFOUND] for file control opcodes that they do not ** return [SQLITE_NOTFOUND] for file control opcodes that they do not
@ -758,6 +749,7 @@ struct sqlite3_io_methods {
/* /*
** CAPI3REF: Standard File Control Opcodes ** CAPI3REF: Standard File Control Opcodes
** KEYWORDS: {file control opcodes} {file control opcode}
** **
** These integer constants are opcodes for the xFileControl method ** These integer constants are opcodes for the xFileControl method
** of the [sqlite3_io_methods] object and for the [sqlite3_file_control()] ** of the [sqlite3_io_methods] object and for the [sqlite3_file_control()]
@ -2037,27 +2029,33 @@ SQLITE_API int sqlite3_complete16(const void *sql);
/* /*
** CAPI3REF: Register A Callback To Handle SQLITE_BUSY Errors ** CAPI3REF: Register A Callback To Handle SQLITE_BUSY Errors
** **
** ^This routine sets a callback function that might be invoked whenever ** ^The sqlite3_busy_handler(D,X,P) routine sets a callback function X
** an attempt is made to open a database table that another thread ** that might be invoked with argument P whenever
** or process has locked. ** an attempt is made to access a database table associated with
** [database connection] D when another thread
** or process has the table locked.
** The sqlite3_busy_handler() interface is used to implement
** [sqlite3_busy_timeout()] and [PRAGMA busy_timeout].
** **
** ^If the busy callback is NULL, then [SQLITE_BUSY] or [SQLITE_IOERR_BLOCKED] ** ^If the busy callback is NULL, then [SQLITE_BUSY]
** is returned immediately upon encountering the lock. ^If the busy callback ** is returned immediately upon encountering the lock. ^If the busy callback
** is not NULL, then the callback might be invoked with two arguments. ** is not NULL, then the callback might be invoked with two arguments.
** **
** ^The first argument to the busy handler is a copy of the void* pointer which ** ^The first argument to the busy handler is a copy of the void* pointer which
** is the third argument to sqlite3_busy_handler(). ^The second argument to ** is the third argument to sqlite3_busy_handler(). ^The second argument to
** the busy handler callback is the number of times that the busy handler has ** the busy handler callback is the number of times that the busy handler has
** been invoked for this locking event. ^If the ** been invoked for the same locking event. ^If the
** busy callback returns 0, then no additional attempts are made to ** busy callback returns 0, then no additional attempts are made to
** access the database and [SQLITE_BUSY] or [SQLITE_IOERR_BLOCKED] is returned. ** access the database and [SQLITE_BUSY] is returned
** to the application.
** ^If the callback returns non-zero, then another attempt ** ^If the callback returns non-zero, then another attempt
** is made to open the database for reading and the cycle repeats. ** is made to access the database and the cycle repeats.
** **
** The presence of a busy handler does not guarantee that it will be invoked ** 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 ** 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] ** handler could result in a deadlock, it will go ahead and return [SQLITE_BUSY]
** or [SQLITE_IOERR_BLOCKED] instead of invoking the busy handler. ** to the application instead of invoking the
** busy handler.
** Consider a scenario where one process is holding a read lock that ** Consider a scenario where one process is holding a read lock that
** it is trying to promote to a reserved lock and ** it is trying to promote to a reserved lock and
** a second process is holding a reserved lock that it is trying ** a second process is holding a reserved lock that it is trying
@ -2071,28 +2069,15 @@ SQLITE_API int sqlite3_complete16(const void *sql);
** **
** ^The default busy callback is NULL. ** ^The default busy callback is NULL.
** **
** ^The [SQLITE_BUSY] error is converted to [SQLITE_IOERR_BLOCKED]
** when SQLite is in the middle of a large transaction where all the
** changes will not fit into the in-memory cache. SQLite will
** already hold a RESERVED lock on the database file, but it needs
** to promote this lock to EXCLUSIVE so that it can spill cache
** pages into the database file without harm to concurrent
** readers. ^If it is unable to promote the lock, then the in-memory
** cache will be left in an inconsistent state and so the error
** code is promoted from the relatively benign [SQLITE_BUSY] to
** the more severe [SQLITE_IOERR_BLOCKED]. ^This error code promotion
** forces an automatic rollback of the changes. See the
** <a href="/cvstrac/wiki?p=CorruptionFollowingBusyError">
** CorruptionFollowingBusyError</a> wiki page for a discussion of why
** this is important.
**
** ^(There can only be a single busy handler defined for each ** ^(There can only be a single busy handler defined for each
** [database connection]. Setting a new busy handler clears any ** [database connection]. Setting a new busy handler clears any
** previously set handler.)^ ^Note that calling [sqlite3_busy_timeout()] ** previously set handler.)^ ^Note that calling [sqlite3_busy_timeout()]
** will also set or clear the busy handler. ** or evaluating [PRAGMA busy_timeout=N] will change the
** busy handler and thus clear any previously set busy handler.
** **
** The busy callback should not take any actions which modify the ** The busy callback should not take any actions which modify the
** database connection that invoked the busy handler. Any such actions ** database connection that invoked the busy handler. In other words,
** the busy handler is not reentrant. Any such actions
** result in undefined behavior. ** result in undefined behavior.
** **
** A busy handler must not close the database connection ** A busy handler must not close the database connection
@ -2108,7 +2093,7 @@ SQLITE_API int sqlite3_busy_handler(sqlite3*, int(*)(void*,int), void*);
** will sleep multiple times until at least "ms" milliseconds of sleeping ** will sleep multiple times until at least "ms" milliseconds of sleeping
** have accumulated. ^After at least "ms" milliseconds of sleeping, ** have accumulated. ^After at least "ms" milliseconds of sleeping,
** the handler returns 0 which causes [sqlite3_step()] to return ** the handler returns 0 which causes [sqlite3_step()] to return
** [SQLITE_BUSY] or [SQLITE_IOERR_BLOCKED]. ** [SQLITE_BUSY].
** **
** ^Calling this routine with an argument less than or equal to zero ** ^Calling this routine with an argument less than or equal to zero
** turns off all busy handlers. ** turns off all busy handlers.
@ -2117,6 +2102,8 @@ SQLITE_API int sqlite3_busy_handler(sqlite3*, int(*)(void*,int), void*);
** [database connection] any any given moment. If another busy handler ** [database connection] any any given moment. If another busy handler
** was defined (using [sqlite3_busy_handler()]) prior to calling ** was defined (using [sqlite3_busy_handler()]) prior to calling
** this routine, that other busy handler is cleared.)^ ** this routine, that other busy handler is cleared.)^
**
** See also: [PRAGMA busy_timeout]
*/ */
SQLITE_API int sqlite3_busy_timeout(sqlite3*, int ms); SQLITE_API int sqlite3_busy_timeout(sqlite3*, int ms);
@ -2518,8 +2505,8 @@ SQLITE_API int sqlite3_set_authorizer(
** [sqlite3_set_authorizer | authorizer documentation] for additional ** [sqlite3_set_authorizer | authorizer documentation] for additional
** information. ** information.
** **
** Note that SQLITE_IGNORE is also used as a [SQLITE_ROLLBACK | return code] ** Note that SQLITE_IGNORE is also used as a [conflict resolution mode]
** from the [sqlite3_vtab_on_conflict()] interface. ** returned from the [sqlite3_vtab_on_conflict()] interface.
*/ */
#define SQLITE_DENY 1 /* Abort the SQL statement with an error */ #define SQLITE_DENY 1 /* Abort the SQL statement with an error */
#define SQLITE_IGNORE 2 /* Don't allow access, but don't generate an error */ #define SQLITE_IGNORE 2 /* Don't allow access, but don't generate an error */
@ -4706,6 +4693,13 @@ SQLITE_API int sqlite3_sleep(int);
** is a NULL pointer, then SQLite performs a search for an appropriate ** is a NULL pointer, then SQLite performs a search for an appropriate
** temporary file directory. ** temporary file directory.
** **
** Applications are strongly discouraged from using this global variable.
** It is required to set a temporary folder on Windows Runtime (WinRT).
** But for all other platforms, it is highly recommended that applications
** neither read nor write this variable. This global variable is a relic
** that exists for backwards compatibility of legacy applications and should
** be avoided in new projects.
**
** It is not safe to read or modify this variable in more than one ** It is not safe to read or modify this variable in more than one
** thread at a time. It is not safe to read or modify this variable ** thread at a time. It is not safe to read or modify this variable
** if a [database connection] is being used at the same time in a separate ** if a [database connection] is being used at the same time in a separate
@ -4724,6 +4718,11 @@ SQLITE_API int sqlite3_sleep(int);
** Hence, if this variable is modified directly, either it should be ** Hence, if this variable is modified directly, either it should be
** made NULL or made to point to memory obtained from [sqlite3_malloc] ** made NULL or made to point to memory obtained from [sqlite3_malloc]
** or else the use of the [temp_store_directory pragma] should be avoided. ** or else the use of the [temp_store_directory pragma] should be avoided.
** Except when requested by the [temp_store_directory pragma], SQLite
** does not free the memory that sqlite3_temp_directory points to. If
** the application wants that memory to be freed, it must do
** so itself, taking care to only do so after all [database connection]
** objects have been destroyed.
** **
** <b>Note to Windows Runtime users:</b> The temporary directory must be set ** <b>Note to Windows Runtime users:</b> The temporary directory must be set
** prior to calling [sqlite3_open] or [sqlite3_open_v2]. Otherwise, various ** prior to calling [sqlite3_open] or [sqlite3_open_v2]. Otherwise, various
@ -5858,10 +5857,12 @@ SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*);
** <li> SQLITE_MUTEX_RECURSIVE ** <li> SQLITE_MUTEX_RECURSIVE
** <li> SQLITE_MUTEX_STATIC_MASTER ** <li> SQLITE_MUTEX_STATIC_MASTER
** <li> SQLITE_MUTEX_STATIC_MEM ** <li> SQLITE_MUTEX_STATIC_MEM
** <li> SQLITE_MUTEX_STATIC_MEM2 ** <li> SQLITE_MUTEX_STATIC_OPEN
** <li> SQLITE_MUTEX_STATIC_PRNG ** <li> SQLITE_MUTEX_STATIC_PRNG
** <li> SQLITE_MUTEX_STATIC_LRU ** <li> SQLITE_MUTEX_STATIC_LRU
** <li> SQLITE_MUTEX_STATIC_LRU2 ** <li> SQLITE_MUTEX_STATIC_PMEM
** <li> SQLITE_MUTEX_STATIC_APP1
** <li> SQLITE_MUTEX_STATIC_APP2
** </ul>)^ ** </ul>)^
** **
** ^The first two constants (SQLITE_MUTEX_FAST and SQLITE_MUTEX_RECURSIVE) ** ^The first two constants (SQLITE_MUTEX_FAST and SQLITE_MUTEX_RECURSIVE)
@ -6065,6 +6066,9 @@ SQLITE_API int sqlite3_mutex_notheld(sqlite3_mutex*);
#define SQLITE_MUTEX_STATIC_LRU 6 /* lru page list */ #define SQLITE_MUTEX_STATIC_LRU 6 /* lru page list */
#define SQLITE_MUTEX_STATIC_LRU2 7 /* NOT USED */ #define SQLITE_MUTEX_STATIC_LRU2 7 /* NOT USED */
#define SQLITE_MUTEX_STATIC_PMEM 7 /* sqlite3PageMalloc() */ #define SQLITE_MUTEX_STATIC_PMEM 7 /* sqlite3PageMalloc() */
#define SQLITE_MUTEX_STATIC_APP1 8 /* For use by application */
#define SQLITE_MUTEX_STATIC_APP2 9 /* For use by application */
#define SQLITE_MUTEX_STATIC_APP3 10 /* For use by application */
/* /*
** CAPI3REF: Retrieve the mutex for a database connection ** CAPI3REF: Retrieve the mutex for a database connection
@ -6160,7 +6164,8 @@ SQLITE_API int sqlite3_test_control(int op, ...);
#define SQLITE_TESTCTRL_NEVER_CORRUPT 20 #define SQLITE_TESTCTRL_NEVER_CORRUPT 20
#define SQLITE_TESTCTRL_VDBE_COVERAGE 21 #define SQLITE_TESTCTRL_VDBE_COVERAGE 21
#define SQLITE_TESTCTRL_BYTEORDER 22 #define SQLITE_TESTCTRL_BYTEORDER 22
#define SQLITE_TESTCTRL_LAST 22 #define SQLITE_TESTCTRL_ISINIT 23
#define SQLITE_TESTCTRL_LAST 23
/* /*
** CAPI3REF: SQLite Runtime Status ** CAPI3REF: SQLite Runtime Status
@ -7144,6 +7149,9 @@ SQLITE_API void *sqlite3_wal_hook(
** ^The [wal_autocheckpoint pragma] can be used to invoke this interface ** ^The [wal_autocheckpoint pragma] can be used to invoke this interface
** from SQL. ** from SQL.
** **
** ^Checkpoints initiated by this mechanism are
** [sqlite3_wal_checkpoint_v2|PASSIVE].
**
** ^Every new [database connection] defaults to having the auto-checkpoint ** ^Every new [database connection] defaults to having the auto-checkpoint
** enabled with a threshold of 1000 or [SQLITE_DEFAULT_WAL_AUTOCHECKPOINT] ** enabled with a threshold of 1000 or [SQLITE_DEFAULT_WAL_AUTOCHECKPOINT]
** pages. The use of this interface ** pages. The use of this interface
@ -7160,6 +7168,10 @@ SQLITE_API int sqlite3_wal_autocheckpoint(sqlite3 *db, int N);
** empty string, then a checkpoint is run on all databases of ** empty string, then a checkpoint is run on all databases of
** connection D. ^If the database connection D is not in ** connection D. ^If the database connection D is not in
** [WAL | write-ahead log mode] then this interface is a harmless no-op. ** [WAL | write-ahead log mode] then this interface is a harmless no-op.
** ^The [sqlite3_wal_checkpoint(D,X)] interface initiates a
** [sqlite3_wal_checkpoint_v2|PASSIVE] checkpoint.
** Use the [sqlite3_wal_checkpoint_v2()] interface to get a FULL
** or RESET checkpoint.
** **
** ^The [wal_checkpoint pragma] can be used to invoke this interface ** ^The [wal_checkpoint pragma] can be used to invoke this interface
** from SQL. ^The [sqlite3_wal_autocheckpoint()] interface and the ** from SQL. ^The [sqlite3_wal_autocheckpoint()] interface and the
@ -7182,10 +7194,12 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb);
** Checkpoint as many frames as possible without waiting for any database ** Checkpoint as many frames as possible without waiting for any database
** readers or writers to finish. Sync the db file if all frames in the log ** readers or writers to finish. Sync the db file if all frames in the log
** are checkpointed. This mode is the same as calling ** are checkpointed. This mode is the same as calling
** sqlite3_wal_checkpoint(). The busy-handler callback is never invoked. ** sqlite3_wal_checkpoint(). The [sqlite3_busy_handler|busy-handler callback]
** is never invoked.
** **
** <dt>SQLITE_CHECKPOINT_FULL<dd> ** <dt>SQLITE_CHECKPOINT_FULL<dd>
** This mode blocks (calls the busy-handler callback) until there is no ** This mode blocks (it invokes the
** [sqlite3_busy_handler|busy-handler callback]) until there is no
** database writer and all readers are reading from the most recent database ** database writer and all readers are reading from the most recent database
** snapshot. It then checkpoints all frames in the log file and syncs the ** snapshot. It then checkpoints all frames in the log file and syncs the
** database file. This call blocks database writers while it is running, ** database file. This call blocks database writers while it is running,
@ -7193,7 +7207,8 @@ SQLITE_API int sqlite3_wal_checkpoint(sqlite3 *db, const char *zDb);
** **
** <dt>SQLITE_CHECKPOINT_RESTART<dd> ** <dt>SQLITE_CHECKPOINT_RESTART<dd>
** This mode works the same way as SQLITE_CHECKPOINT_FULL, except after ** This mode works the same way as SQLITE_CHECKPOINT_FULL, except after
** checkpointing the log file it blocks (calls the busy-handler callback) ** checkpointing the log file it blocks (calls the
** [sqlite3_busy_handler|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 client to write to the database file restarts the log file ** that the next client to write to the database file restarts the log file
** from the beginning. This call blocks database writers while it is running, ** from the beginning. This call blocks database writers while it is running,
@ -7331,6 +7346,7 @@ SQLITE_API int sqlite3_vtab_on_conflict(sqlite3 *);
/* /*
** CAPI3REF: Conflict resolution modes ** CAPI3REF: Conflict resolution modes
** KEYWORDS: {conflict resolution mode}
** **
** These constants are returned by [sqlite3_vtab_on_conflict()] to ** These constants are returned by [sqlite3_vtab_on_conflict()] to
** inform a [virtual table] implementation what the [ON CONFLICT] mode ** inform a [virtual table] implementation what the [ON CONFLICT] mode