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Overview
Comment: | Experimental implementation of the sqlite3_system_errno() interface. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | sqlite_system_errno |
Files: | files | file ages | folders |
SHA1: |
6782c87b3722fbd09684a5b1e5df0524 |
User & Date: | drh 2016-03-17 16:01:23.259 |
Context
2016-03-17
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17:23 | Simple test cases for sqlite3_system_errno() (check-in: 185bc8644c user: drh tags: sqlite_system_errno) | |
16:01 | Experimental implementation of the sqlite3_system_errno() interface. (check-in: 6782c87b37 user: drh tags: sqlite_system_errno) | |
2016-03-16
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21:29 | The prepared statements for some pragmas can now be reused without invoking an automatic reprepare. (check-in: 97b0e88cc7 user: drh tags: trunk) | |
Changes
Changes to src/loadext.c.
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410 411 412 413 414 415 416 | sqlite3_bind_zeroblob64, /* Version 3.9.0 and later */ sqlite3_value_subtype, sqlite3_result_subtype, /* Version 3.10.0 and later */ sqlite3_status64, sqlite3_strlike, | | > > | 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 | sqlite3_bind_zeroblob64, /* Version 3.9.0 and later */ sqlite3_value_subtype, sqlite3_result_subtype, /* Version 3.10.0 and later */ sqlite3_status64, sqlite3_strlike, sqlite3_db_cacheflush, /* Version 3.12.0 and later */ sqlite3_system_errno }; /* ** Attempt to load an SQLite extension library contained in the file ** zFile. The entry point is zProc. zProc may be 0 in which case a ** default entry point name (sqlite3_extension_init) is used. Use ** of the default name is recommended. |
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Changes to src/main.c.
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2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 | return SQLITE_MISUSE_BKPT; } if( !db || db->mallocFailed ){ return SQLITE_NOMEM_BKPT; } return db->errCode; } /* ** Return a string that describes the kind of error specified in the ** argument. For now, this simply calls the internal sqlite3ErrStr() ** function. */ const char *sqlite3_errstr(int rc){ | > > > | 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 | return SQLITE_MISUSE_BKPT; } if( !db || db->mallocFailed ){ return SQLITE_NOMEM_BKPT; } return db->errCode; } int sqlite3_system_errno(sqlite3 *db){ return db ? db->iSysErrno : 0; } /* ** Return a string that describes the kind of error specified in the ** argument. For now, this simply calls the internal sqlite3ErrStr() ** function. */ const char *sqlite3_errstr(int rc){ |
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2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 | /* Open the backend database driver */ rc = sqlite3BtreeOpen(db->pVfs, zOpen, db, &db->aDb[0].pBt, 0, flags | SQLITE_OPEN_MAIN_DB); if( rc!=SQLITE_OK ){ if( rc==SQLITE_IOERR_NOMEM ){ rc = SQLITE_NOMEM_BKPT; } sqlite3Error(db, rc); goto opendb_out; } sqlite3BtreeEnter(db->aDb[0].pBt); db->aDb[0].pSchema = sqlite3SchemaGet(db, db->aDb[0].pBt); if( !db->mallocFailed ) ENC(db) = SCHEMA_ENC(db); sqlite3BtreeLeave(db->aDb[0].pBt); | > | 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 | /* Open the backend database driver */ rc = sqlite3BtreeOpen(db->pVfs, zOpen, db, &db->aDb[0].pBt, 0, flags | SQLITE_OPEN_MAIN_DB); if( rc!=SQLITE_OK ){ if( rc==SQLITE_IOERR_NOMEM ){ rc = SQLITE_NOMEM_BKPT; } sqlite3SystemError(db, rc); sqlite3Error(db, rc); goto opendb_out; } sqlite3BtreeEnter(db->aDb[0].pBt); db->aDb[0].pSchema = sqlite3SchemaGet(db, db->aDb[0].pBt); if( !db->mallocFailed ) ENC(db) = SCHEMA_ENC(db); sqlite3BtreeLeave(db->aDb[0].pBt); |
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Changes to src/os.c.
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258 259 260 261 262 263 264 265 266 267 268 269 270 271 | #endif /* SQLITE_OMIT_LOAD_EXTENSION */ int sqlite3OsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){ return pVfs->xRandomness(pVfs, nByte, zBufOut); } int sqlite3OsSleep(sqlite3_vfs *pVfs, int nMicro){ return pVfs->xSleep(pVfs, nMicro); } int sqlite3OsCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *pTimeOut){ int rc; /* IMPLEMENTATION-OF: R-49045-42493 SQLite will use the xCurrentTimeInt64() ** method to get the current date and time if that method is available ** (if iVersion is 2 or greater and the function pointer is not NULL) and ** will fall back to xCurrentTime() if xCurrentTimeInt64() is ** unavailable. | > > > | 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 | #endif /* SQLITE_OMIT_LOAD_EXTENSION */ int sqlite3OsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){ return pVfs->xRandomness(pVfs, nByte, zBufOut); } int sqlite3OsSleep(sqlite3_vfs *pVfs, int nMicro){ return pVfs->xSleep(pVfs, nMicro); } int sqlite3OsGetLastError(sqlite3_vfs *pVfs){ return pVfs->xGetLastError ? pVfs->xGetLastError(pVfs, 0, 0) : 0; } int sqlite3OsCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *pTimeOut){ int rc; /* IMPLEMENTATION-OF: R-49045-42493 SQLite will use the xCurrentTimeInt64() ** method to get the current date and time if that method is available ** (if iVersion is 2 or greater and the function pointer is not NULL) and ** will fall back to xCurrentTime() if xCurrentTimeInt64() is ** unavailable. |
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Changes to src/os.h.
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193 194 195 196 197 198 199 200 201 202 203 204 205 206 | void *sqlite3OsDlOpen(sqlite3_vfs *, const char *); void sqlite3OsDlError(sqlite3_vfs *, int, char *); void (*sqlite3OsDlSym(sqlite3_vfs *, void *, const char *))(void); void sqlite3OsDlClose(sqlite3_vfs *, void *); #endif /* SQLITE_OMIT_LOAD_EXTENSION */ int sqlite3OsRandomness(sqlite3_vfs *, int, char *); int sqlite3OsSleep(sqlite3_vfs *, int); int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*); /* ** Convenience functions for opening and closing files using ** sqlite3_malloc() to obtain space for the file-handle structure. */ int sqlite3OsOpenMalloc(sqlite3_vfs *, const char *, sqlite3_file **, int,int*); | > | 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | void *sqlite3OsDlOpen(sqlite3_vfs *, const char *); void sqlite3OsDlError(sqlite3_vfs *, int, char *); void (*sqlite3OsDlSym(sqlite3_vfs *, void *, const char *))(void); void sqlite3OsDlClose(sqlite3_vfs *, void *); #endif /* SQLITE_OMIT_LOAD_EXTENSION */ int sqlite3OsRandomness(sqlite3_vfs *, int, char *); int sqlite3OsSleep(sqlite3_vfs *, int); int sqlite3OsGetLastError(sqlite3_vfs*); int sqlite3OsCurrentTimeInt64(sqlite3_vfs *, sqlite3_int64*); /* ** Convenience functions for opening and closing files using ** sqlite3_malloc() to obtain space for the file-handle structure. */ int sqlite3OsOpenMalloc(sqlite3_vfs *, const char *, sqlite3_file **, int,int*); |
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Changes to src/os_unix.c.
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6260 6261 6262 6263 6264 6265 6266 | *prNow = i/86400000.0; return rc; } #else # define unixCurrentTime 0 #endif | < | | | < | | < < < | 6260 6261 6262 6263 6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 | *prNow = i/86400000.0; return rc; } #else # define unixCurrentTime 0 #endif /* ** The xGetLastError() method is designed to return a better ** low-level error message when operating-system problems come up ** during SQLite operation. Only the integer return code is currently ** used. */ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){ UNUSED_PARAMETER(NotUsed); UNUSED_PARAMETER(NotUsed2); UNUSED_PARAMETER(NotUsed3); return errno; } /* ************************ End of sqlite3_vfs methods *************************** ******************************************************************************/ /****************************************************************************** |
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Changes to src/sqlite.h.in.
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7911 7912 7913 7914 7915 7916 7917 7918 7919 7920 7921 7922 7923 7924 | ** ^Otherwise, if no error occurs, [sqlite3_db_cacheflush()] returns SQLITE_OK. ** ** ^This function does not set the database handle error code or message ** returned by the [sqlite3_errcode()] and [sqlite3_errmsg()] functions. */ int sqlite3_db_cacheflush(sqlite3*); /* ** CAPI3REF: Database Snapshot ** KEYWORDS: {snapshot} ** EXPERIMENTAL ** ** An instance of the snapshot object records the state of a [WAL mode] ** database for some specific point in history. | > > > > > > > > > > > > | 7911 7912 7913 7914 7915 7916 7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928 7929 7930 7931 7932 7933 7934 7935 7936 | ** ^Otherwise, if no error occurs, [sqlite3_db_cacheflush()] returns SQLITE_OK. ** ** ^This function does not set the database handle error code or message ** returned by the [sqlite3_errcode()] and [sqlite3_errmsg()] functions. */ int sqlite3_db_cacheflush(sqlite3*); /* ** 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} ** EXPERIMENTAL ** ** An instance of the snapshot object records the state of a [WAL mode] ** database for some specific point in history. |
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Changes to src/sqlite3ext.h.
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275 276 277 278 279 280 281 282 283 284 285 286 287 288 | /* Version 3.9.0 and later */ unsigned int (*value_subtype)(sqlite3_value*); void (*result_subtype)(sqlite3_context*,unsigned int); /* Version 3.10.0 and later */ int (*status64)(int,sqlite3_int64*,sqlite3_int64*,int); int (*strlike)(const char*,const char*,unsigned int); int (*db_cacheflush)(sqlite3*); }; /* ** The following macros redefine the API routines so that they are ** redirected through the global sqlite3_api structure. ** ** This header file is also used by the loadext.c source file | > > | 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 | /* Version 3.9.0 and later */ unsigned int (*value_subtype)(sqlite3_value*); void (*result_subtype)(sqlite3_context*,unsigned int); /* Version 3.10.0 and later */ int (*status64)(int,sqlite3_int64*,sqlite3_int64*,int); int (*strlike)(const char*,const char*,unsigned int); int (*db_cacheflush)(sqlite3*); /* Version 3.12.0 and later */ int (*system_errno)(sqlite3*); }; /* ** The following macros redefine the API routines so that they are ** redirected through the global sqlite3_api structure. ** ** This header file is also used by the loadext.c source file |
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518 519 520 521 522 523 524 525 526 527 528 529 530 531 | /* Version 3.9.0 and later */ #define sqlite3_value_subtype sqlite3_api->value_subtype #define sqlite3_result_subtype sqlite3_api->result_subtype /* Version 3.10.0 and later */ #define sqlite3_status64 sqlite3_api->status64 #define sqlite3_strlike sqlite3_api->strlike #define sqlite3_db_cacheflush sqlite3_api->db_cacheflush #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; | > > | 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 | /* Version 3.9.0 and later */ #define sqlite3_value_subtype sqlite3_api->value_subtype #define sqlite3_result_subtype sqlite3_api->result_subtype /* Version 3.10.0 and later */ #define sqlite3_status64 sqlite3_api->status64 #define sqlite3_strlike sqlite3_api->strlike #define sqlite3_db_cacheflush sqlite3_api->db_cacheflush /* Version 3.12.0 and later */ #define sqlite3_system_errno sqlite3_api->system_errno #endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */ #if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; |
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Changes to src/sqliteInt.h.
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1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 | int nDb; /* Number of backends currently in use */ int flags; /* Miscellaneous flags. See below */ i64 lastRowid; /* ROWID of most recent insert (see above) */ i64 szMmap; /* Default mmap_size setting */ unsigned int openFlags; /* Flags passed to sqlite3_vfs.xOpen() */ int errCode; /* Most recent error code (SQLITE_*) */ int errMask; /* & result codes with this before returning */ u16 dbOptFlags; /* Flags to enable/disable optimizations */ u8 enc; /* Text encoding */ u8 autoCommit; /* The auto-commit flag. */ u8 temp_store; /* 1: file 2: memory 0: default */ u8 mallocFailed; /* True if we have seen a malloc failure */ u8 bBenignMalloc; /* Do not require OOMs if true */ u8 dfltLockMode; /* Default locking-mode for attached dbs */ | > | 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 | int nDb; /* Number of backends currently in use */ int flags; /* Miscellaneous flags. See below */ i64 lastRowid; /* ROWID of most recent insert (see above) */ i64 szMmap; /* Default mmap_size setting */ unsigned int openFlags; /* Flags passed to sqlite3_vfs.xOpen() */ int errCode; /* Most recent error code (SQLITE_*) */ int errMask; /* & result codes with this before returning */ int iSysErrno; /* Errno value from last system error */ u16 dbOptFlags; /* Flags to enable/disable optimizations */ u8 enc; /* Text encoding */ u8 autoCommit; /* The auto-commit flag. */ u8 temp_store; /* 1: file 2: memory 0: default */ u8 mallocFailed; /* True if we have seen a malloc failure */ u8 bBenignMalloc; /* Do not require OOMs if true */ u8 dfltLockMode; /* Default locking-mode for attached dbs */ |
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3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 | char sqlite3CompareAffinity(Expr *pExpr, char aff2); int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity); char sqlite3ExprAffinity(Expr *pExpr); int sqlite3Atoi64(const char*, i64*, int, u8); int sqlite3DecOrHexToI64(const char*, i64*); void sqlite3ErrorWithMsg(sqlite3*, int, const char*,...); void sqlite3Error(sqlite3*,int); void *sqlite3HexToBlob(sqlite3*, const char *z, int n); u8 sqlite3HexToInt(int h); int sqlite3TwoPartName(Parse *, Token *, Token *, Token **); #if defined(SQLITE_NEED_ERR_NAME) const char *sqlite3ErrName(int); #endif | > | 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 | char sqlite3CompareAffinity(Expr *pExpr, char aff2); int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity); char sqlite3ExprAffinity(Expr *pExpr); int sqlite3Atoi64(const char*, i64*, int, u8); int sqlite3DecOrHexToI64(const char*, i64*); void sqlite3ErrorWithMsg(sqlite3*, int, const char*,...); void sqlite3Error(sqlite3*,int); void sqlite3SystemError(sqlite3*,int); void *sqlite3HexToBlob(sqlite3*, const char *z, int n); u8 sqlite3HexToInt(int h); int sqlite3TwoPartName(Parse *, Token *, Token *, Token **); #if defined(SQLITE_NEED_ERR_NAME) const char *sqlite3ErrName(int); #endif |
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Changes to src/util.c.
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121 122 123 124 125 126 127 128 129 130 131 132 133 134 | ** Set the current error code to err_code and clear any prior error message. */ void sqlite3Error(sqlite3 *db, int err_code){ assert( db!=0 ); db->errCode = err_code; if( db->pErr ) sqlite3ValueSetNull(db->pErr); } /* ** Set the most recent error code and error string for the sqlite ** handle "db". The error code is set to "err_code". ** ** If it is not NULL, string zFormat specifies the format of the ** error string in the style of the printf functions: The following | > > > > > > > > > > > > | 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | ** Set the current error code to err_code and clear any prior error message. */ void sqlite3Error(sqlite3 *db, int err_code){ assert( db!=0 ); db->errCode = err_code; if( db->pErr ) sqlite3ValueSetNull(db->pErr); } /* ** Load the sqlite3.iSysErrno field if that is an appropriate thing ** to do based on the SQLite error code in rc. */ void sqlite3SystemError(sqlite3 *db, int rc){ if( rc==SQLITE_IOERR_NOMEM ) return; rc &= 0xff; if( rc==SQLITE_CANTOPEN || rc==SQLITE_IOERR ){ db->iSysErrno = sqlite3OsGetLastError(db->pVfs); } } /* ** Set the most recent error code and error string for the sqlite ** handle "db". The error code is set to "err_code". ** ** If it is not NULL, string zFormat specifies the format of the ** error string in the style of the printf functions: The following |
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