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Overview
Comment: | Update SQLite core to latest, including the os_win.c fixes and the new SQLITE_FCNTL_PERSIST_WAL file control. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
f9c2d67ad20d4fd174a6d4d0b2880723 |
User & Date: | mistachkin 2011-07-29 20:35:34.187 |
Context
2011-08-09
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06:01 | Remove old VS designer installer. check-in: 6eff911e63 user: mistachkin tags: trunk | |
2011-07-29
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20:35 | Update SQLite core to latest, including the os_win.c fixes and the new SQLITE_FCNTL_PERSIST_WAL file control. check-in: f9c2d67ad2 user: mistachkin tags: trunk | |
2011-07-24
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21:50 | Sync up ProjectGuids for the static interop projects. check-in: 5c03dc1829 user: mistachkin tags: trunk | |
Changes
Changes to SQLite.Interop/src/core/sqlite3.c.
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648 649 650 651 652 653 654 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.7.8" #define SQLITE_VERSION_NUMBER 3007008 | | | 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.7.8" #define SQLITE_VERSION_NUMBER 3007008 #define SQLITE_SOURCE_ID "2011-07-28 20:48:38 1b56677bdfb102d070a2057a65ba424fec81131d" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version, sqlite3_sourceid ** ** These interfaces provide the same information as the [SQLITE_VERSION], ** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros |
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1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 | ** to be adjusted. The values are changed for all database connections ** within the same process. The argument is a pointer to an array of two ** integers where the first integer i the new retry count and the second ** integer is the delay. If either integer is negative, then the setting ** is not changed but instead the prior value of that setting is written ** into the array entry, allowing the current retry settings to be ** interrogated. The zDbName parameter is ignored. ** */ #define SQLITE_FCNTL_LOCKSTATE 1 #define SQLITE_GET_LOCKPROXYFILE 2 #define SQLITE_SET_LOCKPROXYFILE 3 #define SQLITE_LAST_ERRNO 4 #define SQLITE_FCNTL_SIZE_HINT 5 #define SQLITE_FCNTL_CHUNK_SIZE 6 #define SQLITE_FCNTL_FILE_POINTER 7 #define SQLITE_FCNTL_SYNC_OMITTED 8 #define SQLITE_FCNTL_WIN32_AV_RETRY 9 /* ** CAPI3REF: Mutex Handle ** ** The mutex module within SQLite defines [sqlite3_mutex] to be an ** abstract type for a mutex object. The SQLite core never looks ** at the internal representation of an [sqlite3_mutex]. It only | > > > > > > > > > > > > > > > | 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 | ** to be adjusted. The values are changed for all database connections ** within the same process. The argument is a pointer to an array of two ** integers where the first integer i the new retry count and the second ** integer is the delay. If either integer is negative, then the setting ** is not changed but instead the prior value of that setting is written ** into the array entry, allowing the current retry settings to be ** interrogated. The zDbName parameter is ignored. ** ** ^The [SQLITE_FCNTL_PERSIST_WAL] opcode is used to set or query the ** persistent [WAL | Write AHead Log] setting. By default, the auxiliary ** write ahead log and shared memory files used for transaction control ** are automatically deleted when the latest connection to the database ** closes. Setting persistent WAL mode causes those files to persist after ** close. Persisting the files is useful when other processes that do not ** have write permission on the directory containing the database file want ** to read the database file, as the WAL and shared memory files must exist ** in order for the database to be readable. The fourth parameter to ** [sqlite3_file_control()] for this opcode should be a pointer to an integer. ** That integer is 0 to disable persistent WAL mode or 1 to enable persistent ** WAL mode. If the integer is -1, then it is overwritten with the current ** WAL persistence setting. ** */ #define SQLITE_FCNTL_LOCKSTATE 1 #define SQLITE_GET_LOCKPROXYFILE 2 #define SQLITE_SET_LOCKPROXYFILE 3 #define SQLITE_LAST_ERRNO 4 #define SQLITE_FCNTL_SIZE_HINT 5 #define SQLITE_FCNTL_CHUNK_SIZE 6 #define SQLITE_FCNTL_FILE_POINTER 7 #define SQLITE_FCNTL_SYNC_OMITTED 8 #define SQLITE_FCNTL_WIN32_AV_RETRY 9 #define SQLITE_FCNTL_PERSIST_WAL 10 /* ** CAPI3REF: Mutex Handle ** ** The mutex module within SQLite defines [sqlite3_mutex] to be an ** abstract type for a mutex object. The SQLite core never looks ** at the internal representation of an [sqlite3_mutex]. It only |
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24541 24542 24543 24544 24545 24546 24547 | char aPadding[32]; #endif }; /* ** Allowed values for the unixFile.ctrlFlags bitmask: */ | | | > | 24556 24557 24558 24559 24560 24561 24562 24563 24564 24565 24566 24567 24568 24569 24570 24571 24572 | char aPadding[32]; #endif }; /* ** Allowed values for the unixFile.ctrlFlags bitmask: */ #define UNIXFILE_EXCL 0x01 /* Connections from one process only */ #define UNIXFILE_RDONLY 0x02 /* Connection is read only */ #define UNIXFILE_PERSIST_WAL 0x04 /* Persistent WAL mode */ /* ** Include code that is common to all os_*.c files */ /************** Include os_common.h in the middle of os_unix.c ***************/ /************** Begin file os_common.h ***************************************/ /* |
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27894 27895 27896 27897 27898 27899 27900 | ** file-control operation. ** ** If the user has configured a chunk-size for this file, it could be ** that the file needs to be extended at this point. Otherwise, the ** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix. */ static int fcntlSizeHint(unixFile *pFile, i64 nByte){ | | > | > > > > > | 27910 27911 27912 27913 27914 27915 27916 27917 27918 27919 27920 27921 27922 27923 27924 27925 27926 27927 27928 27929 27930 27931 27932 27933 27934 27935 27936 | ** file-control operation. ** ** If the user has configured a chunk-size for this file, it could be ** that the file needs to be extended at this point. Otherwise, the ** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix. */ static int fcntlSizeHint(unixFile *pFile, i64 nByte){ { /* preserve indentation of removed "if" */ i64 nSize; /* Required file size */ i64 szChunk; /* Chunk size */ struct stat buf; /* Used to hold return values of fstat() */ if( osFstat(pFile->h, &buf) ) return SQLITE_IOERR_FSTAT; szChunk = pFile->szChunk; if( szChunk==0 ){ nSize = nByte; }else{ nSize = ((nByte+szChunk-1) / szChunk) * szChunk; } if( nSize>(i64)buf.st_size ){ #if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE /* The code below is handling the return value of osFallocate() ** correctly. posix_fallocate() is defined to "returns zero on success, ** or an error number on failure". See the manpage for details. */ int err; |
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27943 27944 27945 27946 27947 27948 27949 27950 27951 | return SQLITE_OK; } /* ** Information and control of an open file handle. */ static int unixFileControl(sqlite3_file *id, int op, void *pArg){ switch( op ){ case SQLITE_FCNTL_LOCKSTATE: { | > | | | | > > > > > > > > > > > | 27965 27966 27967 27968 27969 27970 27971 27972 27973 27974 27975 27976 27977 27978 27979 27980 27981 27982 27983 27984 27985 27986 27987 27988 27989 27990 27991 27992 27993 27994 27995 27996 27997 27998 27999 28000 28001 28002 28003 28004 28005 | return SQLITE_OK; } /* ** Information and control of an open file handle. */ static int unixFileControl(sqlite3_file *id, int op, void *pArg){ unixFile *pFile = (unixFile*)id; switch( op ){ case SQLITE_FCNTL_LOCKSTATE: { *(int*)pArg = pFile->eFileLock; return SQLITE_OK; } case SQLITE_LAST_ERRNO: { *(int*)pArg = pFile->lastErrno; return SQLITE_OK; } case SQLITE_FCNTL_CHUNK_SIZE: { pFile->szChunk = *(int *)pArg; return SQLITE_OK; } case SQLITE_FCNTL_SIZE_HINT: { return fcntlSizeHint(pFile, *(i64 *)pArg); } case SQLITE_FCNTL_PERSIST_WAL: { int bPersist = *(int*)pArg; if( bPersist<0 ){ *(int*)pArg = (pFile->ctrlFlags & UNIXFILE_PERSIST_WAL)!=0; }else if( bPersist==0 ){ pFile->ctrlFlags &= ~UNIXFILE_PERSIST_WAL; }else{ pFile->ctrlFlags |= UNIXFILE_PERSIST_WAL; } return SQLITE_OK; } #ifndef NDEBUG /* The pager calls this method to signal that it has done ** a rollback and that the database is therefore unchanged and ** it hence it is OK for the transaction change counter to be ** unchanged. */ |
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29282 29283 29284 29285 29286 29287 29288 | ** almost certain that an open() call on the same path will also fail. ** For this reason, if an error occurs in the stat() call here, it is ** ignored and -1 is returned. The caller will try to open a new file ** descriptor on the same path, fail, and return an error to SQLite. ** ** Even if a subsequent open() call does succeed, the consequences of ** not searching for a resusable file descriptor are not dire. */ | | | 29316 29317 29318 29319 29320 29321 29322 29323 29324 29325 29326 29327 29328 29329 29330 | ** almost certain that an open() call on the same path will also fail. ** For this reason, if an error occurs in the stat() call here, it is ** ignored and -1 is returned. The caller will try to open a new file ** descriptor on the same path, fail, and return an error to SQLite. ** ** Even if a subsequent open() call does succeed, the consequences of ** not searching for a resusable file descriptor are not dire. */ if( 0==osStat(zPath, &sStat) ){ unixInodeInfo *pInode; unixEnterMutex(); pInode = inodeList; while( pInode && (pInode->fileId.dev!=sStat.st_dev || pInode->fileId.ino!=sStat.st_ino) ){ pInode = pInode->pNext; |
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29358 29359 29360 29361 29362 29363 29364 | */ nDb = sqlite3Strlen30(zPath) - 1; while( nDb>0 && zPath[nDb]!='-' ) nDb--; if( nDb==0 ) return SQLITE_OK; memcpy(zDb, zPath, nDb); zDb[nDb] = '\0'; | | | 29392 29393 29394 29395 29396 29397 29398 29399 29400 29401 29402 29403 29404 29405 29406 | */ nDb = sqlite3Strlen30(zPath) - 1; while( nDb>0 && zPath[nDb]!='-' ) nDb--; if( nDb==0 ) return SQLITE_OK; memcpy(zDb, zPath, nDb); zDb[nDb] = '\0'; if( 0==osStat(zDb, &sStat) ){ *pMode = sStat.st_mode & 0777; }else{ rc = SQLITE_IOERR_FSTAT; } }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){ *pMode = 0600; } |
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29703 29704 29705 29706 29707 29708 29709 | default: assert(!"Invalid flags argument"); } *pResOut = (osAccess(zPath, amode)==0); if( flags==SQLITE_ACCESS_EXISTS && *pResOut ){ struct stat buf; | | | 29737 29738 29739 29740 29741 29742 29743 29744 29745 29746 29747 29748 29749 29750 29751 | default: assert(!"Invalid flags argument"); } *pResOut = (osAccess(zPath, amode)==0); if( flags==SQLITE_ACCESS_EXISTS && *pResOut ){ struct stat buf; if( 0==osStat(zPath, &buf) && buf.st_size==0 ){ *pResOut = 0; } } return SQLITE_OK; } |
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31559 31560 31561 31562 31563 31564 31565 | ** portability layer. */ typedef struct winFile winFile; struct winFile { const sqlite3_io_methods *pMethod; /*** Must be first ***/ sqlite3_vfs *pVfs; /* The VFS used to open this file */ HANDLE h; /* Handle for accessing the file */ | | > | 31593 31594 31595 31596 31597 31598 31599 31600 31601 31602 31603 31604 31605 31606 31607 31608 31609 | ** portability layer. */ typedef struct winFile winFile; struct winFile { const sqlite3_io_methods *pMethod; /*** Must be first ***/ sqlite3_vfs *pVfs; /* The VFS used to open this file */ HANDLE h; /* Handle for accessing the file */ u8 locktype; /* Type of lock currently held on this file */ short sharedLockByte; /* Randomly chosen byte used as a shared lock */ u8 bPersistWal; /* True to persist WAL files */ DWORD lastErrno; /* The Windows errno from the last I/O error */ DWORD sectorSize; /* Sector size of the device file is on */ winShm *pShm; /* Instance of shared memory on this file */ const char *zPath; /* Full pathname of this file */ int szChunk; /* Chunk size configured by FCNTL_CHUNK_SIZE */ #if SQLITE_OS_WINCE WCHAR *zDeleteOnClose; /* Name of file to delete when closing */ |
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32791 32792 32793 32794 32795 32796 32797 32798 32799 | return rc; } /* ** Control and query of the open file handle. */ static int winFileControl(sqlite3_file *id, int op, void *pArg){ switch( op ){ case SQLITE_FCNTL_LOCKSTATE: { | > | | | > > > > > > > > > | 32826 32827 32828 32829 32830 32831 32832 32833 32834 32835 32836 32837 32838 32839 32840 32841 32842 32843 32844 32845 32846 32847 32848 32849 32850 32851 32852 32853 32854 32855 32856 32857 32858 32859 32860 32861 32862 32863 32864 32865 32866 32867 32868 | return rc; } /* ** Control and query of the open file handle. */ static int winFileControl(sqlite3_file *id, int op, void *pArg){ winFile *pFile = (winFile*)id; switch( op ){ case SQLITE_FCNTL_LOCKSTATE: { *(int*)pArg = pFile->locktype; return SQLITE_OK; } case SQLITE_LAST_ERRNO: { *(int*)pArg = (int)pFile->lastErrno; return SQLITE_OK; } case SQLITE_FCNTL_CHUNK_SIZE: { pFile->szChunk = *(int *)pArg; return SQLITE_OK; } case SQLITE_FCNTL_SIZE_HINT: { sqlite3_int64 sz = *(sqlite3_int64*)pArg; SimulateIOErrorBenign(1); winTruncate(id, sz); SimulateIOErrorBenign(0); return SQLITE_OK; } case SQLITE_FCNTL_PERSIST_WAL: { int bPersist = *(int*)pArg; if( bPersist<0 ){ *(int*)pArg = pFile->bPersistWal; }else{ pFile->bPersistWal = bPersist!=0; } return SQLITE_OK; } case SQLITE_FCNTL_SYNC_OMITTED: { return SQLITE_OK; } case SQLITE_FCNTL_WIN32_AV_RETRY: { int *a = (int*)pArg; if( a[0]>0 ){ |
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33911 33912 33913 33914 33915 33916 33917 | if( zConverted==0 ){ return SQLITE_NOMEM; } if( isNT() ){ int cnt = 0; WIN32_FILE_ATTRIBUTE_DATA sAttrData; memset(&sAttrData, 0, sizeof(sAttrData)); | | | > | 33956 33957 33958 33959 33960 33961 33962 33963 33964 33965 33966 33967 33968 33969 33970 33971 33972 33973 33974 33975 33976 33977 33978 33979 33980 33981 33982 33983 33984 33985 | if( zConverted==0 ){ return SQLITE_NOMEM; } if( isNT() ){ int cnt = 0; WIN32_FILE_ATTRIBUTE_DATA sAttrData; memset(&sAttrData, 0, sizeof(sAttrData)); while( !(rc = GetFileAttributesExW((WCHAR*)zConverted, GetFileExInfoStandard, &sAttrData)) && retryIoerr(&cnt) ){} if( rc ){ /* For an SQLITE_ACCESS_EXISTS query, treat a zero-length file ** as if it does not exist. */ if( flags==SQLITE_ACCESS_EXISTS && sAttrData.nFileSizeHigh==0 && sAttrData.nFileSizeLow==0 ){ attr = INVALID_FILE_ATTRIBUTES; }else{ attr = sAttrData.dwFileAttributes; } }else{ logIoerr(cnt); if( GetLastError()!=ERROR_FILE_NOT_FOUND ){ winLogError(SQLITE_IOERR_ACCESS, "winAccess", zFilename); free(zConverted); return SQLITE_IOERR_ACCESS; }else{ attr = INVALID_FILE_ATTRIBUTES; } |
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33950 33951 33952 33953 33954 33955 33956 | free(zConverted); switch( flags ){ case SQLITE_ACCESS_READ: case SQLITE_ACCESS_EXISTS: rc = attr!=INVALID_FILE_ATTRIBUTES; break; case SQLITE_ACCESS_READWRITE: | > | | 33996 33997 33998 33999 34000 34001 34002 34003 34004 34005 34006 34007 34008 34009 34010 34011 | free(zConverted); switch( flags ){ case SQLITE_ACCESS_READ: case SQLITE_ACCESS_EXISTS: rc = attr!=INVALID_FILE_ATTRIBUTES; break; case SQLITE_ACCESS_READWRITE: rc = attr!=INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_READONLY)==0; break; default: assert(!"Invalid flags argument"); } *pResOut = rc; return SQLITE_OK; } |
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45534 45535 45536 45537 45538 45539 45540 45541 45542 45543 45544 45545 45546 | ** the database. In this case checkpoint the database and unlink both ** the wal and wal-index files. ** ** The EXCLUSIVE lock is not released before returning. */ rc = sqlite3OsLock(pWal->pDbFd, SQLITE_LOCK_EXCLUSIVE); if( rc==SQLITE_OK ){ if( pWal->exclusiveMode==WAL_NORMAL_MODE ){ pWal->exclusiveMode = WAL_EXCLUSIVE_MODE; } rc = sqlite3WalCheckpoint( pWal, SQLITE_CHECKPOINT_PASSIVE, 0, 0, sync_flags, nBuf, zBuf, 0, 0 ); | > > | | 45581 45582 45583 45584 45585 45586 45587 45588 45589 45590 45591 45592 45593 45594 45595 45596 45597 45598 45599 45600 45601 45602 45603 | ** the database. In this case checkpoint the database and unlink both ** the wal and wal-index files. ** ** The EXCLUSIVE lock is not released before returning. */ rc = sqlite3OsLock(pWal->pDbFd, SQLITE_LOCK_EXCLUSIVE); if( rc==SQLITE_OK ){ int bPersistWal = -1; if( pWal->exclusiveMode==WAL_NORMAL_MODE ){ pWal->exclusiveMode = WAL_EXCLUSIVE_MODE; } rc = sqlite3WalCheckpoint( pWal, SQLITE_CHECKPOINT_PASSIVE, 0, 0, sync_flags, nBuf, zBuf, 0, 0 ); sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_PERSIST_WAL, &bPersistWal); if( rc==SQLITE_OK && bPersistWal!=1 ){ isDelete = 1; } } walIndexClose(pWal, isDelete); sqlite3OsClose(pWal->pWalFd); if( isDelete ){ |
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Changes to SQLite.Interop/src/core/sqlite3.h.
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105 106 107 108 109 110 111 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.7.8" #define SQLITE_VERSION_NUMBER 3007008 | | | 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.7.8" #define SQLITE_VERSION_NUMBER 3007008 #define SQLITE_SOURCE_ID "2011-07-28 20:48:38 1b56677bdfb102d070a2057a65ba424fec81131d" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version, sqlite3_sourceid ** ** These interfaces provide the same information as the [SQLITE_VERSION], ** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros |
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753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 | ** to be adjusted. The values are changed for all database connections ** within the same process. The argument is a pointer to an array of two ** integers where the first integer i the new retry count and the second ** integer is the delay. If either integer is negative, then the setting ** is not changed but instead the prior value of that setting is written ** into the array entry, allowing the current retry settings to be ** interrogated. The zDbName parameter is ignored. ** */ #define SQLITE_FCNTL_LOCKSTATE 1 #define SQLITE_GET_LOCKPROXYFILE 2 #define SQLITE_SET_LOCKPROXYFILE 3 #define SQLITE_LAST_ERRNO 4 #define SQLITE_FCNTL_SIZE_HINT 5 #define SQLITE_FCNTL_CHUNK_SIZE 6 #define SQLITE_FCNTL_FILE_POINTER 7 #define SQLITE_FCNTL_SYNC_OMITTED 8 #define SQLITE_FCNTL_WIN32_AV_RETRY 9 /* ** CAPI3REF: Mutex Handle ** ** The mutex module within SQLite defines [sqlite3_mutex] to be an ** abstract type for a mutex object. The SQLite core never looks ** at the internal representation of an [sqlite3_mutex]. It only | > > > > > > > > > > > > > > > | 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 | ** to be adjusted. The values are changed for all database connections ** within the same process. The argument is a pointer to an array of two ** integers where the first integer i the new retry count and the second ** integer is the delay. If either integer is negative, then the setting ** is not changed but instead the prior value of that setting is written ** into the array entry, allowing the current retry settings to be ** interrogated. The zDbName parameter is ignored. ** ** ^The [SQLITE_FCNTL_PERSIST_WAL] opcode is used to set or query the ** persistent [WAL | Write AHead Log] setting. By default, the auxiliary ** write ahead log and shared memory files used for transaction control ** are automatically deleted when the latest connection to the database ** closes. Setting persistent WAL mode causes those files to persist after ** close. Persisting the files is useful when other processes that do not ** have write permission on the directory containing the database file want ** to read the database file, as the WAL and shared memory files must exist ** in order for the database to be readable. The fourth parameter to ** [sqlite3_file_control()] for this opcode should be a pointer to an integer. ** That integer is 0 to disable persistent WAL mode or 1 to enable persistent ** WAL mode. If the integer is -1, then it is overwritten with the current ** WAL persistence setting. ** */ #define SQLITE_FCNTL_LOCKSTATE 1 #define SQLITE_GET_LOCKPROXYFILE 2 #define SQLITE_SET_LOCKPROXYFILE 3 #define SQLITE_LAST_ERRNO 4 #define SQLITE_FCNTL_SIZE_HINT 5 #define SQLITE_FCNTL_CHUNK_SIZE 6 #define SQLITE_FCNTL_FILE_POINTER 7 #define SQLITE_FCNTL_SYNC_OMITTED 8 #define SQLITE_FCNTL_WIN32_AV_RETRY 9 #define SQLITE_FCNTL_PERSIST_WAL 10 /* ** CAPI3REF: Mutex Handle ** ** The mutex module within SQLite defines [sqlite3_mutex] to be an ** abstract type for a mutex object. The SQLite core never looks ** at the internal representation of an [sqlite3_mutex]. It only |
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