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Bug 630539 - Upgrade to SQLite 3.7.5
This change contains the changes to SQLite code
This commit is contained in:
Shawn Wilsher
parent
75f1c63442
commit
95a4f74d04
File diff suppressed because it is too large
Load Diff
@ -107,9 +107,9 @@ extern "C" {
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** [sqlite3_libversion_number()], [sqlite3_sourceid()],
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** [sqlite_version()] and [sqlite_source_id()].
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*/
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#define SQLITE_VERSION "3.7.4"
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#define SQLITE_VERSION_NUMBER 3007004
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#define SQLITE_SOURCE_ID "2010-12-07 20:14:09 a586a4deeb25330037a49df295b36aaf624d0f45"
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#define SQLITE_VERSION "3.7.5"
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#define SQLITE_VERSION_NUMBER 3007005
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#define SQLITE_SOURCE_ID "2011-01-28 17:03:50 ed759d5a9edb3bba5f48f243df47be29e3fe8cd7"
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/*
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** CAPI3REF: Run-Time Library Version Numbers
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@ -390,7 +390,7 @@ SQLITE_API int sqlite3_exec(
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#define SQLITE_INTERRUPT 9 /* Operation terminated by sqlite3_interrupt()*/
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#define SQLITE_IOERR 10 /* Some kind of disk I/O error occurred */
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#define SQLITE_CORRUPT 11 /* The database disk image is malformed */
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#define SQLITE_NOTFOUND 12 /* NOT USED. Table or record not found */
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#define SQLITE_NOTFOUND 12 /* Unknown opcode in sqlite3_file_control() */
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#define SQLITE_FULL 13 /* Insertion failed because database is full */
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#define SQLITE_CANTOPEN 14 /* Unable to open the database file */
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#define SQLITE_PROTOCOL 15 /* Database lock protocol error */
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@ -622,7 +622,9 @@ struct sqlite3_file {
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** core reserves all opcodes less than 100 for its own use.
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** A [SQLITE_FCNTL_LOCKSTATE | list of opcodes] less than 100 is available.
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** Applications that define a custom xFileControl method should use opcodes
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** greater than 100 to avoid conflicts.
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** greater than 100 to avoid conflicts. VFS implementations should
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** return [SQLITE_NOTFOUND] for file control opcodes that they do not
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** recognize.
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**
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** The xSectorSize() method returns the sector size of the
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** device that underlies the file. The sector size is the
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@ -715,6 +717,21 @@ struct sqlite3_io_methods {
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** for the nominated database. Allocating database file space in large
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** chunks (say 1MB at a time), may reduce file-system fragmentation and
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** improve performance on some systems.
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**
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** The [SQLITE_FCNTL_FILE_POINTER] opcode is used to obtain a pointer
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** to the [sqlite3_file] object associated with a particular database
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** connection. See the [sqlite3_file_control()] documentation for
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** additional information.
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**
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** ^(The [SQLITE_FCNTL_SYNC_OMITTED] opcode is generated internally by
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** SQLite and sent to all VFSes in place of a call to the xSync method
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** when the database connection has [PRAGMA synchronous] set to OFF.)^
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** Some specialized VFSes need this signal in order to operate correctly
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** when [PRAGMA synchronous | PRAGMA synchronous=OFF] is set, but most
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** VFSes do not need this signal and should silently ignore this opcode.
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** Applications should not call [sqlite3_file_control()] with this
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** opcode as doing so may disrupt the operation of the specilized VFSes
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** that do require it.
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*/
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#define SQLITE_FCNTL_LOCKSTATE 1
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#define SQLITE_GET_LOCKPROXYFILE 2
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@ -723,6 +740,7 @@ struct sqlite3_io_methods {
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#define SQLITE_FCNTL_SIZE_HINT 5
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#define SQLITE_FCNTL_CHUNK_SIZE 6
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#define SQLITE_FCNTL_FILE_POINTER 7
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#define SQLITE_FCNTL_SYNC_OMITTED 8
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/*
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@ -1842,7 +1860,7 @@ SQLITE_API void sqlite3_free_table(char **result);
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** NULL pointer if [sqlite3_malloc()] is unable to allocate enough
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** memory to hold the resulting string.
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**
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** ^(In sqlite3_snprintf() routine is similar to "snprintf()" from
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** ^(The sqlite3_snprintf() routine is similar to "snprintf()" from
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** the standard C library. The result is written into the
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** buffer supplied as the second parameter whose size is given by
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** the first parameter. Note that the order of the
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@ -1861,6 +1879,8 @@ SQLITE_API void sqlite3_free_table(char **result);
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** the zero terminator. So the longest string that can be completely
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** written will be n-1 characters.
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**
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** ^The sqlite3_vsnprintf() routine is a varargs version of sqlite3_snprintf().
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**
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** These routines all implement some additional formatting
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** options that are useful for constructing SQL statements.
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** All of the usual printf() formatting options apply. In addition, there
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@ -1924,6 +1944,7 @@ SQLITE_API void sqlite3_free_table(char **result);
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SQLITE_API char *sqlite3_mprintf(const char*,...);
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SQLITE_API char *sqlite3_vmprintf(const char*, va_list);
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SQLITE_API char *sqlite3_snprintf(int,char*,const char*, ...);
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SQLITE_API char *sqlite3_vsnprintf(int,char*,const char*, va_list);
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/*
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** CAPI3REF: Memory Allocation Subsystem
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@ -2301,7 +2322,7 @@ SQLITE_API void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*);
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** case the database must already exist, otherwise an error is returned.</dd>)^
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**
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** ^(<dt>[SQLITE_OPEN_READWRITE] | [SQLITE_OPEN_CREATE]</dt>
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** <dd>The database is opened for reading and writing, and is creates it if
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** <dd>The database is opened for reading and writing, and is created if
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** it does not already exist. This is the behavior that is always used for
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** sqlite3_open() and sqlite3_open16().</dd>)^
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** </dl>
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@ -2650,14 +2671,31 @@ SQLITE_API const char *sqlite3_sql(sqlite3_stmt *pStmt);
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/*
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** CAPI3REF: Determine If An SQL Statement Writes The Database
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**
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** ^The sqlite3_stmt_readonly(X) interface returns true (non-zero) if
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** the [prepared statement] X is [SELECT] statement and false (zero) if
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** X is an [INSERT], [UPDATE], [DELETE], CREATE, DROP, [ANALYZE],
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** [ALTER], or [REINDEX] statement.
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** If X is a NULL pointer or any other kind of statement, including but
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** not limited to [ATTACH], [DETACH], [COMMIT], [ROLLBACK], [RELEASE],
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** [SAVEPOINT], [PRAGMA], or [VACUUM] the result of sqlite3_stmt_readonly(X) is
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** undefined.
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** ^The sqlite3_stmt_readonly(X) interface returns true (non-zero) if
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** and only if the [prepared statement] X makes no direct changes to
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** the content of the database file.
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**
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** Note that [application-defined SQL functions] or
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** [virtual tables] might change the database indirectly as a side effect.
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** ^(For example, if an application defines a function "eval()" that
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** calls [sqlite3_exec()], then the following SQL statement would
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** change the database file through side-effects:
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**
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** <blockquote><pre>
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** SELECT eval('DELETE FROM t1') FROM t2;
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** </pre></blockquote>
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**
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** But because the [SELECT] statement does not change the database file
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** directly, sqlite3_stmt_readonly() would still return true.)^
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**
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** ^Transaction control statements such as [BEGIN], [COMMIT], [ROLLBACK],
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** [SAVEPOINT], and [RELEASE] cause sqlite3_stmt_readonly() to return true,
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** since the statements themselves do not actually modify the database but
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** rather they control the timing of when other statements modify the
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** database. ^The [ATTACH] and [DETACH] statements also cause
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** sqlite3_stmt_readonly() to return true since, while those statements
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** change the configuration of a database connection, they do not make
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** changes to the content of the database files on disk.
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*/
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SQLITE_API int sqlite3_stmt_readonly(sqlite3_stmt *pStmt);
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@ -3051,13 +3089,17 @@ SQLITE_API const void *sqlite3_column_decltype16(sqlite3_stmt*,int);
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** be the case that the same database connection is being used by two or
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** more threads at the same moment in time.
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**
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** For all versions of SQLite up to and including 3.6.23.1, it was required
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** after sqlite3_step() returned anything other than [SQLITE_ROW] that
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** [sqlite3_reset()] be called before any subsequent invocation of
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** sqlite3_step(). Failure to invoke [sqlite3_reset()] in this way would
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** result in an [SQLITE_MISUSE] return from sqlite3_step(). But after
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** version 3.6.23.1, sqlite3_step() began calling [sqlite3_reset()]
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** automatically in this circumstance rather than returning [SQLITE_MISUSE].
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** For all versions of SQLite up to and including 3.6.23.1, a call to
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** [sqlite3_reset()] was required after sqlite3_step() returned anything
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** other than [SQLITE_ROW] before any subsequent invocation of
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** sqlite3_step(). Failure to reset the prepared statement using
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** [sqlite3_reset()] would result in an [SQLITE_MISUSE] return from
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** sqlite3_step(). But after version 3.6.23.1, sqlite3_step() began
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** calling [sqlite3_reset()] automatically in this circumstance rather
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** than returning [SQLITE_MISUSE]. This is not considered a compatibility
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** break because any application that ever receives an SQLITE_MISUSE error
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** is broken by definition. The [SQLITE_OMIT_AUTORESET] compile-time option
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** can be used to restore the legacy behavior.
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**
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** <b>Goofy Interface Alert:</b> In the legacy interface, the sqlite3_step()
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** API always returns a generic error code, [SQLITE_ERROR], following any
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@ -3394,7 +3436,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt);
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** ^(The fifth parameter is an arbitrary pointer. The implementation of the
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** function can gain access to this pointer using [sqlite3_user_data()].)^
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**
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** ^The seventh, eighth and ninth parameters, xFunc, xStep and xFinal, are
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** ^The sixth, seventh and eighth parameters, xFunc, xStep and xFinal, are
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** pointers to C-language functions that implement the SQL function or
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** aggregate. ^A scalar SQL function requires an implementation of the xFunc
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** callback only; NULL pointers must be passed as the xStep and xFinal
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@ -3403,7 +3445,7 @@ SQLITE_API int sqlite3_reset(sqlite3_stmt *pStmt);
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** SQL function or aggregate, pass NULL poiners for all three function
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** callbacks.
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**
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** ^(If the tenth parameter to sqlite3_create_function_v2() is not NULL,
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** ^(If the ninth parameter to sqlite3_create_function_v2() is not NULL,
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** then it is destructor for the application data pointer.
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** The destructor is invoked when the function is deleted, either by being
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** overloaded or when the database connection closes.)^
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@ -3507,7 +3549,7 @@ SQLITE_API SQLITE_DEPRECATED int sqlite3_memory_alarm(void(*)(void*,sqlite3_int6
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** The xFunc (for scalar functions) or xStep (for aggregates) parameters
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** to [sqlite3_create_function()] and [sqlite3_create_function16()]
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** define callbacks that implement the SQL functions and aggregates.
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** The 4th parameter to these callbacks is an array of pointers to
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** The 3rd parameter to these callbacks is an array of pointers to
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** [protected sqlite3_value] objects. There is one [sqlite3_value] object for
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** each parameter to the SQL function. These routines are used to
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** extract values from the [sqlite3_value] objects.
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@ -5235,7 +5277,8 @@ SQLITE_API int sqlite3_mutex_notheld(sqlite3_mutex*);
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#define SQLITE_MUTEX_STATIC_OPEN 4 /* sqlite3BtreeOpen() */
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#define SQLITE_MUTEX_STATIC_PRNG 5 /* sqlite3_random() */
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#define SQLITE_MUTEX_STATIC_LRU 6 /* lru page list */
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#define SQLITE_MUTEX_STATIC_LRU2 7 /* lru page list */
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#define SQLITE_MUTEX_STATIC_LRU2 7 /* NOT USED */
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#define SQLITE_MUTEX_STATIC_PMEM 7 /* sqlite3PageMalloc() */
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/*
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** CAPI3REF: Retrieve the mutex for a database connection
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@ -5386,7 +5429,8 @@ SQLITE_API int sqlite3_status(int op, int *pCurrent, int *pHighwater, int resetF
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** The value written into the *pCurrent parameter is undefined.</dd>)^
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**
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** ^(<dt>SQLITE_STATUS_MALLOC_COUNT</dt>
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** <dd>This parameter records the number of separate memory allocations.</dd>)^
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** <dd>This parameter records the number of separate memory allocations
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** currently checked out.</dd>)^
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**
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** ^(<dt>SQLITE_STATUS_PAGECACHE_USED</dt>
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** <dd>This parameter returns the number of pages used out of the
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@ -5492,6 +5536,28 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r
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** <dd>This parameter returns the number of lookaside memory slots currently
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** checked out.</dd>)^
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**
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** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_HIT</dt>
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** <dd>This parameter returns the number malloc attempts that were
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** satisfied using lookaside memory. Only the high-water value is meaningful;
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** the current value is always zero.
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** checked out.</dd>)^
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**
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** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE</dt>
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** <dd>This parameter returns the number malloc attempts that might have
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** been satisfied using lookaside memory but failed due to the amount of
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** memory requested being larger than the lookaside slot size.
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** Only the high-water value is meaningful;
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** the current value is always zero.
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** checked out.</dd>)^
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**
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** ^(<dt>SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL</dt>
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** <dd>This parameter returns the number malloc attempts that might have
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** been satisfied using lookaside memory but failed due to all lookaside
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** memory already being in use.
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** Only the high-water value is meaningful;
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** the current value is always zero.
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** checked out.</dd>)^
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**
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** ^(<dt>SQLITE_DBSTATUS_CACHE_USED</dt>
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** <dd>This parameter returns the approximate number of of bytes of heap
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** memory used by all pager caches associated with the database connection.)^
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@ -5514,11 +5580,14 @@ SQLITE_API int sqlite3_db_status(sqlite3*, int op, int *pCur, int *pHiwtr, int r
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** </dd>
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** </dl>
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*/
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#define SQLITE_DBSTATUS_LOOKASIDE_USED 0
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#define SQLITE_DBSTATUS_CACHE_USED 1
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#define SQLITE_DBSTATUS_SCHEMA_USED 2
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#define SQLITE_DBSTATUS_STMT_USED 3
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#define SQLITE_DBSTATUS_MAX 3 /* Largest defined DBSTATUS */
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#define SQLITE_DBSTATUS_LOOKASIDE_USED 0
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#define SQLITE_DBSTATUS_CACHE_USED 1
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#define SQLITE_DBSTATUS_SCHEMA_USED 2
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#define SQLITE_DBSTATUS_STMT_USED 3
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#define SQLITE_DBSTATUS_LOOKASIDE_HIT 4
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#define SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE 5
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#define SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL 6
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#define SQLITE_DBSTATUS_MAX 6 /* Largest defined DBSTATUS */
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/*
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@ -5646,11 +5715,13 @@ typedef struct sqlite3_pcache sqlite3_pcache;
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** first parameter, szPage, is the size in bytes of the pages that must
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** be allocated by the cache. ^szPage will not be a power of two. ^szPage
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** will the page size of the database file that is to be cached plus an
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** increment (here called "R") of about 100 or 200. SQLite will use the
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** increment (here called "R") of less than 250. SQLite will use the
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** extra R bytes on each page to store metadata about the underlying
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** database page on disk. The value of R depends
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** on the SQLite version, the target platform, and how SQLite was compiled.
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** ^R is constant for a particular build of SQLite. ^The second argument to
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** ^(R is constant for a particular build of SQLite. Except, there are two
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** distinct values of R when SQLite is compiled with the proprietary
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** ZIPVFS extension.)^ ^The second argument to
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** xCreate(), bPurgeable, is true if the cache being created will
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** be used to cache database pages of a file stored on disk, or
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** false if it is used for an in-memory database. The cache implementation
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@ -5682,7 +5753,7 @@ typedef struct sqlite3_pcache sqlite3_pcache;
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** If the requested page is already in the page cache, then the page cache
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** implementation must return a pointer to the page buffer with its content
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** intact. If the requested page is not already in the cache, then the
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** behavior of the cache implementation should use the value of the createFlag
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** cache implementation should use the value of the createFlag
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** parameter to help it determined what action to take:
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**
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** <table border=1 width=85% align=center>
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@ -5766,11 +5837,12 @@ typedef struct sqlite3_backup sqlite3_backup;
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**
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** See Also: [Using the SQLite Online Backup API]
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**
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** ^Exclusive access is required to the destination database for the
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** duration of the operation. ^However the source database is only
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** read-locked while it is actually being read; it is not locked
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** continuously for the entire backup operation. ^Thus, the backup may be
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** performed on a live source database without preventing other users from
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** ^SQLite holds a write transaction open on the destination database file
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** for the duration of the backup operation.
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** ^The source database is read-locked only while it is being read;
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** it is not locked continuously for the entire backup operation.
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** ^Thus, the backup may be performed on a live source database without
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** preventing other database connections from
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** reading or writing to the source database while the backup is underway.
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**
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** ^(To perform a backup operation:
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@ -5797,11 +5869,11 @@ typedef struct sqlite3_backup sqlite3_backup;
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** sqlite3_backup_init(D,N,S,M) identify the [database connection]
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** and database name of the source database, respectively.
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** ^The source and destination [database connections] (parameters S and D)
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** must be different or else sqlite3_backup_init(D,N,S,M) will file with
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** must be different or else sqlite3_backup_init(D,N,S,M) will fail with
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** an error.
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**
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** ^If an error occurs within sqlite3_backup_init(D,N,S,M), then NULL is
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** returned and an error code and error message are store3d in the
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** returned and an error code and error message are stored in the
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** destination [database connection] D.
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** ^The error code and message for the failed call to sqlite3_backup_init()
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** can be retrieved using the [sqlite3_errcode()], [sqlite3_errmsg()], and/or
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@ -5818,7 +5890,7 @@ typedef struct sqlite3_backup sqlite3_backup;
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** the source and destination databases specified by [sqlite3_backup] object B.
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** ^If N is negative, all remaining source pages are copied.
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** ^If sqlite3_backup_step(B,N) successfully copies N pages and there
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** are still more pages to be copied, then the function resturns [SQLITE_OK].
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** are still more pages to be copied, then the function returns [SQLITE_OK].
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** ^If sqlite3_backup_step(B,N) successfully finishes copying all pages
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** from source to destination, then it returns [SQLITE_DONE].
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** ^If an error occurs while running sqlite3_backup_step(B,N),
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@ -5832,7 +5904,7 @@ typedef struct sqlite3_backup sqlite3_backup;
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** <li> the destination database was opened read-only, or
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** <li> the destination database is using write-ahead-log journaling
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** and the destination and source page sizes differ, or
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** <li> The destination database is an in-memory database and the
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** <li> the destination database is an in-memory database and the
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** destination and source page sizes differ.
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** </ol>)^
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**
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@ -6163,7 +6235,8 @@ SQLITE_API void *sqlite3_wal_hook(
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** from SQL.
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**
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** ^Every new [database connection] defaults to having the auto-checkpoint
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** enabled with a threshold of 1000 pages. The use of this interface
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** enabled with a threshold of 1000 or [SQLITE_DEFAULT_WAL_AUTOCHECKPOINT]
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** pages. The use of this interface
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** is only necessary if the default setting is found to be suboptimal
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** for a particular application.
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*/
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