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author | 2013-09-21 17:29:17 +0000 | |
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committer | 2013-09-21 17:29:17 +0000 | |
commit | 97d5d4b962418e3e648246a809ce03d33b566903 (patch) | |
tree | 328321c85977b8756ec8d84f6d12e16569cb3fa4 /lib/libsqlite3/src/pragma.c | |
parent | regen (diff) | |
download | wireguard-openbsd-97d5d4b962418e3e648246a809ce03d33b566903.tar.xz wireguard-openbsd-97d5d4b962418e3e648246a809ce03d33b566903.zip |
Update sqlite to 3.8.0.2. A list of changes are available here:
http://sqlite.org/changes.html.
Tested in a bulk and ok landry@ ok espie@
Diffstat (limited to 'lib/libsqlite3/src/pragma.c')
-rw-r--r-- | lib/libsqlite3/src/pragma.c | 129 |
1 files changed, 74 insertions, 55 deletions
diff --git a/lib/libsqlite3/src/pragma.c b/lib/libsqlite3/src/pragma.c index 3056a7d8e2b..ffaf69e9e44 100644 --- a/lib/libsqlite3/src/pragma.c +++ b/lib/libsqlite3/src/pragma.c @@ -158,6 +158,36 @@ static void returnSingleInt(Parse *pParse, const char *zLabel, i64 value){ sqlite3VdbeAddOp2(v, OP_ResultRow, mem, 1); } + +/* +** Set the safety_level and pager flags for pager iDb. Or if iDb<0 +** set these values for all pagers. +*/ +#ifndef SQLITE_OMIT_PAGER_PRAGMAS +static void setAllPagerFlags(sqlite3 *db){ + if( db->autoCommit ){ + Db *pDb = db->aDb; + int n = db->nDb; + assert( SQLITE_FullFSync==PAGER_FULLFSYNC ); + assert( SQLITE_CkptFullFSync==PAGER_CKPT_FULLFSYNC ); + assert( SQLITE_CacheSpill==PAGER_CACHESPILL ); + assert( (PAGER_FULLFSYNC | PAGER_CKPT_FULLFSYNC | PAGER_CACHESPILL) + == PAGER_FLAGS_MASK ); + assert( (pDb->safety_level & PAGER_SYNCHRONOUS_MASK)==pDb->safety_level ); + while( (n--) > 0 ){ + if( pDb->pBt ){ + sqlite3BtreeSetPagerFlags(pDb->pBt, + pDb->safety_level | (db->flags & PAGER_FLAGS_MASK) ); + } + pDb++; + } + } +} +#else +# define setAllPagerFlags(X) /* no-op */ +#endif + + #ifndef SQLITE_OMIT_FLAG_PRAGMAS /* ** Check to see if zRight and zLeft refer to a pragma that queries @@ -176,7 +206,9 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){ { "legacy_file_format", SQLITE_LegacyFileFmt }, { "fullfsync", SQLITE_FullFSync }, { "checkpoint_fullfsync", SQLITE_CkptFullFSync }, + { "cache_spill", SQLITE_CacheSpill }, { "reverse_unordered_selects", SQLITE_ReverseOrder }, + { "query_only", SQLITE_QueryOnly }, #ifndef SQLITE_OMIT_AUTOMATIC_INDEX { "automatic_index", SQLITE_AutoIndex }, #endif @@ -197,12 +229,13 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){ /* TODO: Maybe it shouldn't be possible to change the ReadUncommitted ** flag if there are any active statements. */ { "read_uncommitted", SQLITE_ReadUncommitted }, - { "recursive_triggers", SQLITE_RecTriggers }, + { "recursive_triggers", SQLITE_RecTriggers }, /* This flag may only be set if both foreign-key and trigger support ** are present in the build. */ #if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER) - { "foreign_keys", SQLITE_ForeignKeys }, + { "foreign_keys", SQLITE_ForeignKeys }, + { "defer_foreign_keys", SQLITE_DeferFKs }, #endif }; int i; @@ -228,6 +261,7 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){ db->flags |= mask; }else{ db->flags &= ~mask; + if( mask==SQLITE_DeferFKs ) db->nDeferredImmCons = 0; } /* Many of the flag-pragmas modify the code generated by the SQL @@ -774,11 +808,15 @@ void sqlite3Pragma( } } sz = -1; - if( sqlite3_file_control(db,zDb,SQLITE_FCNTL_MMAP_SIZE,&sz)==SQLITE_OK ){ + rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_MMAP_SIZE, &sz); #if SQLITE_MAX_MMAP_SIZE==0 - sz = 0; + sz = 0; #endif + if( rc==SQLITE_OK ){ returnSingleInt(pParse, "mmap_size", sz); + }else if( rc!=SQLITE_NOTFOUND ){ + pParse->nErr++; + pParse->rc = rc; } }else @@ -959,6 +997,7 @@ void sqlite3Pragma( "Safety level may not be changed inside a transaction"); }else{ pDb->safety_level = getSafetyLevel(zRight,0,1)+1; + setAllPagerFlags(db); } } }else @@ -966,8 +1005,7 @@ void sqlite3Pragma( #ifndef SQLITE_OMIT_FLAG_PRAGMAS if( flagPragma(pParse, zLeft, zRight) ){ - /* The flagPragma() subroutine also generates any necessary code - ** there is nothing more to do here */ + setAllPagerFlags(db); }else #endif /* SQLITE_OMIT_FLAG_PRAGMAS */ @@ -1309,7 +1347,7 @@ void sqlite3Pragma( #endif #ifndef SQLITE_OMIT_INTEGRITY_CHECK - /* Pragma "quick_check" is an experimental reduced version of + /* Pragma "quick_check" is reduced version of ** integrity_check designed to detect most database corruption ** without most of the overhead of a full integrity-check. */ @@ -1393,9 +1431,7 @@ void sqlite3Pragma( } /* Make sure sufficient number of registers have been allocated */ - if( pParse->nMem < cnt+4 ){ - pParse->nMem = cnt+4; - } + pParse->nMem = MAX( pParse->nMem, cnt+7 ); /* Do the b-tree integrity checks */ sqlite3VdbeAddOp3(v, OP_IntegrityCk, 2, cnt, 1); @@ -1420,12 +1456,15 @@ void sqlite3Pragma( addr = sqlite3VdbeAddOp1(v, OP_IfPos, 1); /* Stop if out of errors */ sqlite3VdbeAddOp2(v, OP_Halt, 0, 0); sqlite3VdbeJumpHere(v, addr); + sqlite3ExprCacheClear(pParse); sqlite3OpenTableAndIndices(pParse, pTab, 1, OP_OpenRead); - sqlite3VdbeAddOp2(v, OP_Integer, 0, 2); /* reg(2) will count entries */ - loopTop = sqlite3VdbeAddOp2(v, OP_Rewind, 1, 0); - sqlite3VdbeAddOp2(v, OP_AddImm, 2, 1); /* increment entry count */ for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ - int jmp2; + sqlite3VdbeAddOp2(v, OP_Integer, 0, 7+j); /* index entries counter */ + } + pParse->nMem = MAX(pParse->nMem, 7+j); + loopTop = sqlite3VdbeAddOp2(v, OP_Rewind, 1, 0) + 1; + for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ + int jmp2, jmp3; int r1; static const VdbeOpList idxErr[] = { { OP_AddImm, 1, -1, 0}, @@ -1440,7 +1479,8 @@ void sqlite3Pragma( { OP_IfPos, 1, 0, 0}, /* 9 */ { OP_Halt, 0, 0, 0}, }; - r1 = sqlite3GenerateIndexKey(pParse, pIdx, 1, 3, 0); + r1 = sqlite3GenerateIndexKey(pParse, pIdx, 1, 3, 0, &jmp3); + sqlite3VdbeAddOp2(v, OP_AddImm, 7+j, 1); /* increment entry count */ jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, j+2, 0, r1, pIdx->nColumn+1); addr = sqlite3VdbeAddOpList(v, ArraySize(idxErr), idxErr); sqlite3VdbeChangeP4(v, addr+1, "rowid ", P4_STATIC); @@ -1448,35 +1488,25 @@ void sqlite3Pragma( sqlite3VdbeChangeP4(v, addr+4, pIdx->zName, P4_TRANSIENT); sqlite3VdbeJumpHere(v, addr+9); sqlite3VdbeJumpHere(v, jmp2); + sqlite3VdbeResolveLabel(v, jmp3); } - sqlite3VdbeAddOp2(v, OP_Next, 1, loopTop+1); - sqlite3VdbeJumpHere(v, loopTop); + sqlite3VdbeAddOp2(v, OP_Next, 1, loopTop); + sqlite3VdbeJumpHere(v, loopTop-1); +#ifndef SQLITE_OMIT_BTREECOUNT + sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, + "wrong # of entries in index ", P4_STATIC); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ - static const VdbeOpList cntIdx[] = { - { OP_Integer, 0, 3, 0}, - { OP_Rewind, 0, 0, 0}, /* 1 */ - { OP_AddImm, 3, 1, 0}, - { OP_Next, 0, 0, 0}, /* 3 */ - { OP_Eq, 2, 0, 3}, /* 4 */ - { OP_AddImm, 1, -1, 0}, - { OP_String8, 0, 2, 0}, /* 6 */ - { OP_String8, 0, 3, 0}, /* 7 */ - { OP_Concat, 3, 2, 2}, - { OP_ResultRow, 2, 1, 0}, - }; - addr = sqlite3VdbeAddOp1(v, OP_IfPos, 1); + addr = sqlite3VdbeCurrentAddr(v); + sqlite3VdbeAddOp2(v, OP_IfPos, 1, addr+2); sqlite3VdbeAddOp2(v, OP_Halt, 0, 0); - sqlite3VdbeJumpHere(v, addr); - addr = sqlite3VdbeAddOpList(v, ArraySize(cntIdx), cntIdx); - sqlite3VdbeChangeP1(v, addr+1, j+2); - sqlite3VdbeChangeP2(v, addr+1, addr+4); - sqlite3VdbeChangeP1(v, addr+3, j+2); - sqlite3VdbeChangeP2(v, addr+3, addr+2); - sqlite3VdbeJumpHere(v, addr+4); - sqlite3VdbeChangeP4(v, addr+6, - "wrong # of entries in index ", P4_STATIC); - sqlite3VdbeChangeP4(v, addr+7, pIdx->zName, P4_TRANSIENT); + sqlite3VdbeAddOp2(v, OP_Count, j+2, 3); + sqlite3VdbeAddOp3(v, OP_Eq, 7+j, addr+8, 3); + sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1); + sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, pIdx->zName, P4_TRANSIENT); + sqlite3VdbeAddOp3(v, OP_Concat, 3, 2, 7); + sqlite3VdbeAddOp2(v, OP_ResultRow, 7, 1); } +#endif /* SQLITE_OMIT_BTREECOUNT */ } } addr = sqlite3VdbeAddOpList(v, ArraySize(endCode), endCode); @@ -1767,10 +1797,10 @@ void sqlite3Pragma( #ifdef SQLITE_HAS_CODEC if( sqlite3StrICmp(zLeft, "key")==0 && zRight ){ - sqlite3_key(db, zRight, sqlite3Strlen30(zRight)); + sqlite3_key_v2(db, zDb, zRight, sqlite3Strlen30(zRight)); }else if( sqlite3StrICmp(zLeft, "rekey")==0 && zRight ){ - sqlite3_rekey(db, zRight, sqlite3Strlen30(zRight)); + sqlite3_rekey_v2(db, zDb, zRight, sqlite3Strlen30(zRight)); }else if( zRight && (sqlite3StrICmp(zLeft, "hexkey")==0 || sqlite3StrICmp(zLeft, "hexrekey")==0) ){ @@ -1782,9 +1812,9 @@ void sqlite3Pragma( zKey[i/2] = (h2 & 0x0f) | ((h1 & 0xf)<<4); } if( (zLeft[3] & 0xf)==0xb ){ - sqlite3_key(db, zKey, i/2); + sqlite3_key_v2(db, zDb, zKey, i/2); }else{ - sqlite3_rekey(db, zKey, i/2); + sqlite3_rekey_v2(db, zDb, zKey, i/2); } }else #endif @@ -1806,17 +1836,6 @@ void sqlite3Pragma( {/* Empty ELSE clause */} - /* - ** Reset the safety level, in case the fullfsync flag or synchronous - ** setting changed. - */ -#ifndef SQLITE_OMIT_PAGER_PRAGMAS - if( db->autoCommit ){ - sqlite3BtreeSetSafetyLevel(pDb->pBt, pDb->safety_level, - (db->flags&SQLITE_FullFSync)!=0, - (db->flags&SQLITE_CkptFullFSync)!=0); - } -#endif pragma_out: sqlite3DbFree(db, zLeft); sqlite3DbFree(db, zRight); |