- C Merge\sall\srecent\senhancements\sfrom\strunk.
- D 2016-03-16T01:16:30.929
-C Add\sthe\ssqlite3_system_errno()\sinterface.
-D 2016-03-21T14:46:37.265
-F Makefile.in f53429fb2f313c099283659d0df6f20f932c861f
++C Merge\s3.12.0\sbeta\schanges\sfrom\strunk.
++D 2016-03-21T15:32:19.793
+F Makefile.in e812bb732d7af01baa09f1278bd4f4a2e3a09449
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
-F Makefile.msc df0bf9ff7f8b3f4dd9fb4cc43f92fe58f6ec5c66
+F Makefile.msc e6ee58b849c116d5554024f524cbf61f064f6f01
F README.md 8ecc12493ff9f820cdea6520a9016001cb2e59b7
F VERSION c6b1f51809551d60ad001e6d87cf3ab2c7f54b6f
F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
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F src/dbstat.c c845548d4346e606e2f2b7d2e714ace2b8a7dd1b
-F src/delete.c 48802aa3ee6339f576d074336d3ae1b5f40e240f
+F src/delete.c eeac28b3d3d88e3541bdf93e91ea7492a7b67842
- F src/expr.c c329d581e5d631153456369684d7d4bcd94c907d
+ F src/expr.c 289ffac5240b60fee0a824d3d5ab2d7bd2630c94
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-F src/fkey.c 5cb42d9a59e2a590776fd3fc8ff6f61d40df3c6e
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-F src/insert.c 723d5d708cdb61bdd47c00b9f07c75be45aefc09
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- F src/main.c 0a3dc6c0bac5d4abdc74449f895e1599542acfca
+ F src/loadext.c e70f8f9e97624a232870ea5486e682c813ac3002
-F src/main.c f6c6e61bfd4cc9306a737d0c5c3f1e0eaf6086e0
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-F src/shell.c 5e0ab1e708dc294330ccd8230536e1801f60822e
-F src/sqlite.h.in e877f141b15ef68ef28f84714e69d7234f9a071e
+F src/shell.c cd3f82fdc5c895b817a375b7ab8319cb41f447ce
- F src/sqlite.h.in 86884a006a451c22d342da18d8e373aa70e65ec0
++F src/sqlite.h.in a1d7a367997f80c7075303aaf73e5fc46261c11c
F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
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- F src/sqliteInt.h a8838eed1eb20f794ce929597864d070944f15b7
+ F src/sqlite3ext.h 98f72cbfe00169c39089115427d06ea05fe4b4a2
-F src/sqliteInt.h 4eb80a9b9a512180a9739f99d754915e03d8091a
++F src/sqliteInt.h f5cebbea5909189efbffd7a659195436f503ebb7
F src/sqliteLimit.h 7b28cf72cbd52f178bfc97ea266445e351f2cd24
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-F src/tclsqlite.c 4bf3bea9b03aeac176ac114700f35f76a1de4c8a
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- F src/test1.c 52965bd684ddcd7f22328ebd7d50fd0b6e51f0d4
+ F src/test1.c 7187b7e924bfc97780e6fd2a40dad94a32bddca0
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-F src/test_config.c 0fb2571777ef43a8442be4f9c62a25f530872328
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F src/treeview.c e4b41a37530a191579d3c53142cc44ee2eb99373
F src/trigger.c e14840ee0c3e549e758ec9bf3e4146e166002280
-F src/update.c 56b3db7edff0110360a12b76af97c39ebe3ea8b8
+F src/update.c 14c6916d0194a7f25ad429292f4831b8c31e93d9
F src/utf.c 699001c79f28e48e9bcdf8a463da029ea660540c
- F src/util.c 34ef7be420f82415ec48131404995ddb6ee7502f
+ F src/util.c cf7dce85ab9af5280b8a45985df2591efbfefe56
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-F src/vdbemem.c fe76c1f866de362d9b8332e59d74aa44f6560d69
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+F src/vdbeInt.h 9b704336a69f62ba189eafb06a46171e3463d27b
+F src/vdbeapi.c ba85b78fe08dc4a9ce747e62c89a2b4a4547e74c
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F src/vdbesort.c 307460bfa4de4d1c3901fcd42089159131e34062
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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-Z c933d47fc520e2ff9b51b35972ce646c
++Z 887267d056670df55047d1f847ebaae7
*/
int sqlite3_db_cacheflush(sqlite3*);
+/*
+** CAPI3REF: The pre-update hook.
+** EXPERIMENTAL
+**
+** ^These interfaces are only available if SQLite is compiled using the
+** [SQLITE_ENABLE_UPDATE_HOOK] compile-time option.
+**
+** ^The [sqlite3_preupdate_hook()] interface registers a callback function
+** that is invoked prior to each [INSERT], [UPDATE], and [DELETE] operation.
+** ^At most one preupdate hook may be registered at a time on a single
+** [database connection]; each call to [sqlite3_preupdate_hook()] overrides
+** the previous setting.
+** ^The preupdate hook is disabled by invoking [sqlite3_preupdate_hook()]
+** with a NULL pointer as the second parameter.
+** ^The third parameter to [sqlite3_preupdate_hook()] is passed through as
+** the first parameter to callbacks.
+**
+** ^The preupdate hook only fires for changes to real tables; the preupdate
+** hook is not invoked for changes to virtual tables.
+**
+** ^The second parameter to the preupdate callback is a pointer to
+** the [database connection] that registered the preupdate hook.
+** ^The third parameter to the preupdate callback is one of the constants
+** [SQLITE_INSERT], [SQLITE_DELETE], or [SQLITE_UPDATE] to indentify the
+** 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
+** 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.
+** ^The sixth parameter to the preupdate callback is the initial [rowid] of the
+** row being changes for SQLITE_UPDATE and SQLITE_DELETE changes and is
+** undefined for SQLITE_INSERT changes.
+** ^The seventh parameter to the preupdate callback is the final [rowid] of
+** the row being changed for SQLITE_UPDATE and SQLITE_INSERT changes and is
+** undefined for SQLITE_DELETE changes.
+**
+** The [sqlite3_preupdate_old()], [sqlite3_preupdate_new()],
+** [sqlite3_preupdate_count()], and [sqlite3_preupdate_depth()] interfaces
+** provide additional information about a preupdate event. These routines
+** may only be called from within a preupdate callback. Invoking any of
+** these routines from outside of a preupdate callback or with a
+** [database connection] pointer that is different from the one supplied
+** to the preupdate callback results in undefined and probably undesirable
+** behavior.
+**
+** ^The [sqlite3_preupdate_count(D)] interface returns the number of columns
+** in the row that is being inserted, updated, or deleted.
+**
+** ^The [sqlite3_preupdate_old(D,N,P)] interface writes into P a pointer to
+** a [protected sqlite3_value] that contains the value of the Nth column of
+** the table row before it is updated. The N parameter must be between 0
+** and one less than the number of columns or the behavior will be
+** undefined. This must only be used within SQLITE_UPDATE and SQLITE_DELETE
+** preupdate callbacks; if it is used by an SQLITE_INSERT callback then the
+** behavior is undefined. The [sqlite3_value] that P points to
+** will be destroyed when the preupdate callback returns.
+**
+** ^The [sqlite3_preupdate_new(D,N,P)] interface writes into P a pointer to
+** a [protected sqlite3_value] that contains the value of the Nth column of
+** the table row after it is updated. The N parameter must be between 0
+** and one less than the number of columns or the behavior will be
+** undefined. This must only be used within SQLITE_INSERT and SQLITE_UPDATE
+** preupdate callbacks; if it is used by an SQLITE_DELETE callback then the
+** behavior is undefined. The [sqlite3_value] that P points to
+** will be destroyed when the preupdate callback returns.
+**
+** ^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
+** triggers; or 2 for changes resulting from triggers called by top-level
+** triggers; and so forth.
+**
+** See also: [sqlite3_update_hook()]
+*/
+SQLITE_EXPERIMENTAL void *sqlite3_preupdate_hook(
+ sqlite3 *db,
+ void(*xPreUpdate)(
+ void *pCtx, /* Copy of third arg to preupdate_hook() */
+ sqlite3 *db, /* Database handle */
+ int op, /* SQLITE_UPDATE, DELETE or INSERT */
+ char const *zDb, /* Database name */
+ char const *zName, /* Table name */
+ sqlite3_int64 iKey1, /* Rowid of row about to be deleted/updated */
+ sqlite3_int64 iKey2 /* New rowid value (for a rowid UPDATE) */
+ ),
+ void*
+);
+SQLITE_EXPERIMENTAL int sqlite3_preupdate_old(sqlite3 *, int, sqlite3_value **);
+SQLITE_EXPERIMENTAL int sqlite3_preupdate_count(sqlite3 *);
+SQLITE_EXPERIMENTAL int sqlite3_preupdate_depth(sqlite3 *);
+SQLITE_EXPERIMENTAL int sqlite3_preupdate_new(sqlite3 *, int, sqlite3_value **);
+
+ /*
+ ** CAPI3REF: Low-level system error code
+ **
+ ** ^Attempt to return the underlying operating system error code or error
+ ** number that caused the most reason I/O error or failure to open a file.
+ ** 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.
+ */
+ int sqlite3_system_errno(sqlite3*);
+
/*
** CAPI3REF: Database Snapshot
** KEYWORDS: {snapshot}
projects / thirdparty / sqlite.git / commitdiff
