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Overview
Comment: | Bring in all the latest trunk changes, including the Common Table Expressions implementation. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | sessions |
Files: | files | file ages | folders |
SHA1: |
9b43e559195680e558264c4c00d34dc9 |
User & Date: | drh 2014-01-24 14:05:18.988 |
Context
2014-01-28
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18:06 | Bring in the latest updates from trunk. (check-in: 7b5f377386 user: drh tags: sessions) | |
2014-01-24
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14:05 | Bring in all the latest trunk changes, including the Common Table Expressions implementation. (check-in: 9b43e55919 user: drh tags: sessions) | |
11:16 | Add test cases showing the use of ORDER BY on a recursive query to control depth-first versus breath-first search of a tree. (check-in: 83b0b29165 user: drh tags: trunk) | |
2013-12-24
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12:09 | Merge the latest trunk changes into the sessions branch. (check-in: cfd110bf5d user: drh tags: sessions) | |
Changes
Changes to addopcodes.awk.
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26 27 28 29 30 31 32 33 | printf "#define TK_%-29s %4d\n", "UNCLOSED_STRING", ++max printf "#define TK_%-29s %4d\n", "FUNCTION", ++max printf "#define TK_%-29s %4d\n", "COLUMN", ++max printf "#define TK_%-29s %4d\n", "AGG_FUNCTION", ++max printf "#define TK_%-29s %4d\n", "AGG_COLUMN", ++max printf "#define TK_%-29s %4d\n", "UMINUS", ++max printf "#define TK_%-29s %4d\n", "UPLUS", ++max } | > | 26 27 28 29 30 31 32 33 34 | printf "#define TK_%-29s %4d\n", "UNCLOSED_STRING", ++max printf "#define TK_%-29s %4d\n", "FUNCTION", ++max printf "#define TK_%-29s %4d\n", "COLUMN", ++max printf "#define TK_%-29s %4d\n", "AGG_FUNCTION", ++max printf "#define TK_%-29s %4d\n", "AGG_COLUMN", ++max printf "#define TK_%-29s %4d\n", "UMINUS", ++max printf "#define TK_%-29s %4d\n", "UPLUS", ++max printf "#define TK_%-29s %4d\n", "REGISTER", ++max } |
Changes to ext/fts3/fts3.c.
︙ | ︙ | |||
1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 | int argc, /* Number of elements in argv array */ const char * const *argv, /* xCreate/xConnect argument array */ sqlite3_vtab **ppVtab, /* OUT: New sqlite3_vtab object */ char **pzErr /* OUT: sqlite3_malloc'd error message */ ){ return fts3InitVtab(1, db, pAux, argc, argv, ppVtab, pzErr); } /* ** Implementation of the xBestIndex method for FTS3 tables. There ** are three possible strategies, in order of preference: ** ** 1. Direct lookup by rowid or docid. ** 2. Full-text search using a MATCH operator on a non-docid column. | > > > > > > > > > > > > > | 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 | int argc, /* Number of elements in argv array */ const char * const *argv, /* xCreate/xConnect argument array */ sqlite3_vtab **ppVtab, /* OUT: New sqlite3_vtab object */ char **pzErr /* OUT: sqlite3_malloc'd error message */ ){ return fts3InitVtab(1, db, pAux, argc, argv, ppVtab, pzErr); } /* ** Set the pIdxInfo->estimatedRows variable to nRow. Unless this ** extension is currently being used by a version of SQLite too old to ** support estimatedRows. In that case this function is a no-op. */ static void fts3SetEstimatedRows(sqlite3_index_info *pIdxInfo, i64 nRow){ #if SQLITE_VERSION_NUMBER>=3008002 if( sqlite3_libversion_number()>=3008002 ){ pIdxInfo->estimatedRows = nRow; } #endif } /* ** Implementation of the xBestIndex method for FTS3 tables. There ** are three possible strategies, in order of preference: ** ** 1. Direct lookup by rowid or docid. ** 2. Full-text search using a MATCH operator on a non-docid column. |
︙ | ︙ | |||
1495 1496 1497 1498 1499 1500 1501 | ** strategy is possible. */ pInfo->idxNum = FTS3_FULLSCAN_SEARCH; pInfo->estimatedCost = 5000000; for(i=0; i<pInfo->nConstraint; i++){ int bDocid; /* True if this constraint is on docid */ struct sqlite3_index_constraint *pCons = &pInfo->aConstraint[i]; | | > > > > > > > > > > > > > | 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 | ** strategy is possible. */ pInfo->idxNum = FTS3_FULLSCAN_SEARCH; pInfo->estimatedCost = 5000000; for(i=0; i<pInfo->nConstraint; i++){ int bDocid; /* True if this constraint is on docid */ struct sqlite3_index_constraint *pCons = &pInfo->aConstraint[i]; if( pCons->usable==0 ){ if( pCons->op==SQLITE_INDEX_CONSTRAINT_MATCH ){ /* There exists an unusable MATCH constraint. This means that if ** the planner does elect to use the results of this call as part ** of the overall query plan the user will see an "unable to use ** function MATCH in the requested context" error. To discourage ** this, return a very high cost here. */ pInfo->idxNum = FTS3_FULLSCAN_SEARCH; pInfo->estimatedCost = 1e50; fts3SetEstimatedRows(pInfo, ((sqlite3_int64)1) << 50); return SQLITE_OK; } continue; } bDocid = (pCons->iColumn<0 || pCons->iColumn==p->nColumn+1); /* A direct lookup on the rowid or docid column. Assign a cost of 1.0. */ if( iCons<0 && pCons->op==SQLITE_INDEX_CONSTRAINT_EQ && bDocid ){ pInfo->idxNum = FTS3_DOCID_SEARCH; pInfo->estimatedCost = 1.0; |
︙ | ︙ |
Changes to ext/misc/spellfix.c.
︙ | ︙ | |||
2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 | ** ** (A) word MATCH $str ** (B) langid == $langid ** (C) top = $top ** (D) scope = $scope ** (E) distance < $distance ** (F) distance <= $distance ** ** The plan number is a bit mask formed with these bits: ** ** 0x01 (A) is found ** 0x02 (B) is found ** 0x04 (C) is found ** 0x08 (D) is found ** 0x10 (E) is found ** 0x20 (F) is found ** | > > | > | 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 | ** ** (A) word MATCH $str ** (B) langid == $langid ** (C) top = $top ** (D) scope = $scope ** (E) distance < $distance ** (F) distance <= $distance ** (G) rowid = $rowid ** ** The plan number is a bit mask formed with these bits: ** ** 0x01 (A) is found ** 0x02 (B) is found ** 0x04 (C) is found ** 0x08 (D) is found ** 0x10 (E) is found ** 0x20 (F) is found ** 0x40 (G) is found ** ** filter.argv[*] values contains $str, $langid, $top, $scope and $rowid ** if specified and in that order. */ static int spellfix1BestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ int iPlan = 0; int iLangTerm = -1; int iTopTerm = -1; int iScopeTerm = -1; int iDistTerm = -1; int iRowidTerm = -1; int i; const struct sqlite3_index_constraint *pConstraint; pConstraint = pIdxInfo->aConstraint; for(i=0; i<pIdxInfo->nConstraint; i++, pConstraint++){ if( pConstraint->usable==0 ) continue; /* Terms of the form: word MATCH $str */ |
︙ | ︙ | |||
2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 | && pConstraint->iColumn==SPELLFIX_COL_DISTANCE && (pConstraint->op==SQLITE_INDEX_CONSTRAINT_LT || pConstraint->op==SQLITE_INDEX_CONSTRAINT_LE) ){ iPlan |= pConstraint->op==SQLITE_INDEX_CONSTRAINT_LT ? 16 : 32; iDistTerm = i; } } if( iPlan&1 ){ int idx = 2; pIdxInfo->idxNum = iPlan; if( pIdxInfo->nOrderBy==1 && pIdxInfo->aOrderBy[0].iColumn==SPELLFIX_COL_SCORE && pIdxInfo->aOrderBy[0].desc==0 | > > > > > > > > > | 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 | && pConstraint->iColumn==SPELLFIX_COL_DISTANCE && (pConstraint->op==SQLITE_INDEX_CONSTRAINT_LT || pConstraint->op==SQLITE_INDEX_CONSTRAINT_LE) ){ iPlan |= pConstraint->op==SQLITE_INDEX_CONSTRAINT_LT ? 16 : 32; iDistTerm = i; } /* Terms of the form: distance < $dist or distance <= $dist */ if( (iPlan & 64)==0 && pConstraint->iColumn<0 && pConstraint->op==SQLITE_INDEX_CONSTRAINT_EQ ){ iPlan |= 64; iRowidTerm = i; } } if( iPlan&1 ){ int idx = 2; pIdxInfo->idxNum = iPlan; if( pIdxInfo->nOrderBy==1 && pIdxInfo->aOrderBy[0].iColumn==SPELLFIX_COL_SCORE && pIdxInfo->aOrderBy[0].desc==0 |
︙ | ︙ | |||
2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 | pIdxInfo->aConstraintUsage[iScopeTerm].omit = 1; } if( iPlan&(16|32) ){ pIdxInfo->aConstraintUsage[iDistTerm].argvIndex = idx++; pIdxInfo->aConstraintUsage[iDistTerm].omit = 1; } pIdxInfo->estimatedCost = 1e5; }else{ pIdxInfo->idxNum = 0; pIdxInfo->estimatedCost = 1e50; } return SQLITE_OK; } | > > > > > | 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 | pIdxInfo->aConstraintUsage[iScopeTerm].omit = 1; } if( iPlan&(16|32) ){ pIdxInfo->aConstraintUsage[iDistTerm].argvIndex = idx++; pIdxInfo->aConstraintUsage[iDistTerm].omit = 1; } pIdxInfo->estimatedCost = 1e5; }else if( (iPlan & 64) ){ pIdxInfo->idxNum = 64; pIdxInfo->aConstraintUsage[iRowidTerm].argvIndex = 1; pIdxInfo->aConstraintUsage[iRowidTerm].omit = 1; pIdxInfo->estimatedCost = 5; }else{ pIdxInfo->idxNum = 0; pIdxInfo->estimatedCost = 1e50; } return SQLITE_OK; } |
︙ | ︙ | |||
2461 2462 2463 2464 2465 2466 2467 | */ static int spellfix1FilterForFullScan( spellfix1_cursor *pCur, int idxNum, int argc, sqlite3_value **argv ){ | | > | | > > > > > > | 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 | */ static int spellfix1FilterForFullScan( spellfix1_cursor *pCur, int idxNum, int argc, sqlite3_value **argv ){ int rc = SQLITE_OK; char *zSql; spellfix1_vtab *pVTab = pCur->pVTab; spellfix1ResetCursor(pCur); assert( idxNum==0 || idxNum==64 ); zSql = sqlite3_mprintf( "SELECT word, rank, NULL, langid, id FROM \"%w\".\"%w_vocab\"%s", pVTab->zDbName, pVTab->zTableName, ((idxNum & 64) ? " WHERE rowid=?" : "") ); if( zSql==0 ) return SQLITE_NOMEM; rc = sqlite3_prepare_v2(pVTab->db, zSql, -1, &pCur->pFullScan, 0); sqlite3_free(zSql); if( rc==SQLITE_OK && (idxNum & 64) ){ assert( argc==1 ); rc = sqlite3_bind_value(pCur->pFullScan, 1, argv[0]); } pCur->nRow = pCur->iRow = 0; if( rc==SQLITE_OK ){ rc = sqlite3_step(pCur->pFullScan); if( rc==SQLITE_ROW ){ pCur->iRow = -1; rc = SQLITE_OK; } if( rc==SQLITE_DONE ){ rc = SQLITE_OK; } }else{ pCur->iRow = 0; |
︙ | ︙ |
Changes to src/btree.c.
︙ | ︙ | |||
3750 3751 3752 3753 3754 3755 3756 | */ #ifndef NDEBUG static void assertCellInfo(BtCursor *pCur){ CellInfo info; int iPage = pCur->iPage; memset(&info, 0, sizeof(info)); btreeParseCell(pCur->apPage[iPage], pCur->aiIdx[iPage], &info); | | | 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 | */ #ifndef NDEBUG static void assertCellInfo(BtCursor *pCur){ CellInfo info; int iPage = pCur->iPage; memset(&info, 0, sizeof(info)); btreeParseCell(pCur->apPage[iPage], pCur->aiIdx[iPage], &info); assert( CORRUPT_DB || memcmp(&info, &pCur->info, sizeof(info))==0 ); } #else #define assertCellInfo(x) #endif #ifdef _MSC_VER /* Use a real function in MSVC to work around bugs in that compiler. */ static void getCellInfo(BtCursor *pCur){ |
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4386 4387 4388 4389 4390 4391 4392 | rc = getAndInitPage(pCur->pBtree->pBt, pCur->pgnoRoot, &pCur->apPage[0], pCur->wrFlag==0 ? PAGER_GET_READONLY : 0); if( rc!=SQLITE_OK ){ pCur->eState = CURSOR_INVALID; return rc; } pCur->iPage = 0; | | > > > | | | | > > > > > > | | | | < < < < < < < < < < < | 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 | rc = getAndInitPage(pCur->pBtree->pBt, pCur->pgnoRoot, &pCur->apPage[0], pCur->wrFlag==0 ? PAGER_GET_READONLY : 0); if( rc!=SQLITE_OK ){ pCur->eState = CURSOR_INVALID; return rc; } pCur->iPage = 0; } pRoot = pCur->apPage[0]; assert( pRoot->pgno==pCur->pgnoRoot ); /* If pCur->pKeyInfo is not NULL, then the caller that opened this cursor ** expected to open it on an index b-tree. Otherwise, if pKeyInfo is ** NULL, the caller expects a table b-tree. If this is not the case, ** return an SQLITE_CORRUPT error. ** ** Earlier versions of SQLite assumed that this test could not fail ** if the root page was already loaded when this function was called (i.e. ** if pCur->iPage>=0). But this is not so if the database is corrupted ** in such a way that page pRoot is linked into a second b-tree table ** (or the freelist). */ assert( pRoot->intKey==1 || pRoot->intKey==0 ); if( pRoot->isInit==0 || (pCur->pKeyInfo==0)!=pRoot->intKey ){ return SQLITE_CORRUPT_BKPT; } pCur->aiIdx[0] = 0; pCur->info.nSize = 0; pCur->atLast = 0; pCur->validNKey = 0; if( pRoot->nCell>0 ){ |
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5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 | end_allocate_page: releasePage(pTrunk); releasePage(pPrevTrunk); if( rc==SQLITE_OK ){ if( sqlite3PagerPageRefcount((*ppPage)->pDbPage)>1 ){ releasePage(*ppPage); return SQLITE_CORRUPT_BKPT; } (*ppPage)->isInit = 0; }else{ *ppPage = 0; } assert( rc!=SQLITE_OK || sqlite3PagerIswriteable((*ppPage)->pDbPage) ); | > | 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 | end_allocate_page: releasePage(pTrunk); releasePage(pPrevTrunk); if( rc==SQLITE_OK ){ if( sqlite3PagerPageRefcount((*ppPage)->pDbPage)>1 ){ releasePage(*ppPage); *ppPage = 0; return SQLITE_CORRUPT_BKPT; } (*ppPage)->isInit = 0; }else{ *ppPage = 0; } assert( rc!=SQLITE_OK || sqlite3PagerIswriteable((*ppPage)->pDbPage) ); |
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7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 | int freePageFlag, /* Deallocate page if true */ int *pnChange /* Add number of Cells freed to this counter */ ){ MemPage *pPage; int rc; unsigned char *pCell; int i; assert( sqlite3_mutex_held(pBt->mutex) ); if( pgno>btreePagecount(pBt) ){ return SQLITE_CORRUPT_BKPT; } rc = getAndInitPage(pBt, pgno, &pPage, 0); if( rc ) return rc; for(i=0; i<pPage->nCell; i++){ pCell = findCell(pPage, i); if( !pPage->leaf ){ rc = clearDatabasePage(pBt, get4byte(pCell), 1, pnChange); if( rc ) goto cleardatabasepage_out; } rc = clearCell(pPage, pCell); if( rc ) goto cleardatabasepage_out; } if( !pPage->leaf ){ | > > | | | 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 7371 7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388 | int freePageFlag, /* Deallocate page if true */ int *pnChange /* Add number of Cells freed to this counter */ ){ MemPage *pPage; int rc; unsigned char *pCell; int i; int hdr; assert( sqlite3_mutex_held(pBt->mutex) ); if( pgno>btreePagecount(pBt) ){ return SQLITE_CORRUPT_BKPT; } rc = getAndInitPage(pBt, pgno, &pPage, 0); if( rc ) return rc; hdr = pPage->hdrOffset; for(i=0; i<pPage->nCell; i++){ pCell = findCell(pPage, i); if( !pPage->leaf ){ rc = clearDatabasePage(pBt, get4byte(pCell), 1, pnChange); if( rc ) goto cleardatabasepage_out; } rc = clearCell(pPage, pCell); if( rc ) goto cleardatabasepage_out; } if( !pPage->leaf ){ rc = clearDatabasePage(pBt, get4byte(&pPage->aData[hdr+8]), 1, pnChange); if( rc ) goto cleardatabasepage_out; }else if( pnChange ){ assert( pPage->intKey ); *pnChange += pPage->nCell; } if( freePageFlag ){ freePage(pPage, &rc); }else if( (rc = sqlite3PagerWrite(pPage->pDbPage))==0 ){ zeroPage(pPage, pPage->aData[hdr] | PTF_LEAF); } cleardatabasepage_out: releasePage(pPage); return rc; } |
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Changes to src/build.c.
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136 137 138 139 140 141 142 143 144 145 146 147 148 149 | /* Begin by generating some termination code at the end of the ** vdbe program */ v = sqlite3GetVdbe(pParse); assert( !pParse->isMultiWrite || sqlite3VdbeAssertMayAbort(v, pParse->mayAbort)); if( v ){ sqlite3VdbeAddOp0(v, OP_Halt); /* The cookie mask contains one bit for each database file open. ** (Bit 0 is for main, bit 1 is for temp, and so forth.) Bits are ** set for each database that is used. Generate code to start a ** transaction on each used database and to verify the schema cookie ** on each used database. | > | 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | /* Begin by generating some termination code at the end of the ** vdbe program */ v = sqlite3GetVdbe(pParse); assert( !pParse->isMultiWrite || sqlite3VdbeAssertMayAbort(v, pParse->mayAbort)); if( v ){ while( sqlite3VdbeDeletePriorOpcode(v, OP_Close) ){} sqlite3VdbeAddOp0(v, OP_Halt); /* The cookie mask contains one bit for each database file open. ** (Bit 0 is for main, bit 1 is for temp, and so forth.) Bits are ** set for each database that is used. Generate code to start a ** transaction on each used database and to verify the schema cookie ** on each used database. |
︙ | ︙ | |||
1447 1448 1449 1450 1451 1452 1453 | unsigned char *zIdent = (unsigned char*)zSignedIdent; int i, j, needQuote; i = *pIdx; for(j=0; zIdent[j]; j++){ if( !sqlite3Isalnum(zIdent[j]) && zIdent[j]!='_' ) break; } | | | | < > | 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 | unsigned char *zIdent = (unsigned char*)zSignedIdent; int i, j, needQuote; i = *pIdx; for(j=0; zIdent[j]; j++){ if( !sqlite3Isalnum(zIdent[j]) && zIdent[j]!='_' ) break; } needQuote = sqlite3Isdigit(zIdent[0]) || sqlite3KeywordCode(zIdent, j)!=TK_ID || zIdent[j]!=0 || j==0; if( needQuote ) z[i++] = '"'; for(j=0; zIdent[j]; j++){ z[i++] = zIdent[j]; if( zIdent[j]=='"' ) z[i++] = '"'; } if( needQuote ) z[i++] = '"'; |
︙ | ︙ | |||
2673 2674 2675 2676 2677 2678 2679 | /* Open the table. Loop through all rows of the table, inserting index ** records into the sorter. */ sqlite3OpenTable(pParse, iTab, iDb, pTab, OP_OpenRead); addr1 = sqlite3VdbeAddOp2(v, OP_Rewind, iTab, 0); regRecord = sqlite3GetTempReg(pParse); | | | 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 | /* Open the table. Loop through all rows of the table, inserting index ** records into the sorter. */ sqlite3OpenTable(pParse, iTab, iDb, pTab, OP_OpenRead); addr1 = sqlite3VdbeAddOp2(v, OP_Rewind, iTab, 0); regRecord = sqlite3GetTempReg(pParse); sqlite3GenerateIndexKey(pParse,pIndex,iTab,regRecord,0,&iPartIdxLabel,0,0); sqlite3VdbeAddOp2(v, OP_SorterInsert, iSorter, regRecord); sqlite3VdbeResolveLabel(v, iPartIdxLabel); sqlite3VdbeAddOp2(v, OP_Next, iTab, addr1+1); sqlite3VdbeJumpHere(v, addr1); if( memRootPage<0 ) sqlite3VdbeAddOp2(v, OP_Clear, tnum, iDb); sqlite3VdbeAddOp4(v, OP_OpenWrite, iIdx, tnum, iDb, (char *)pKey, P4_KEYINFO); |
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4193 4194 4195 4196 4197 4198 4199 | }else{ pIdx->pKeyInfo = pKey; } } } return sqlite3KeyInfoRef(pIdx->pKeyInfo); } | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 | }else{ pIdx->pKeyInfo = pKey; } } } return sqlite3KeyInfoRef(pIdx->pKeyInfo); } #ifndef SQLITE_OMIT_CTE /* ** This routine is invoked once per CTE by the parser while parsing a ** WITH clause. */ With *sqlite3WithAdd( Parse *pParse, /* Parsing context */ With *pWith, /* Existing WITH clause, or NULL */ Token *pName, /* Name of the common-table */ ExprList *pArglist, /* Optional column name list for the table */ Select *pQuery /* Query used to initialize the table */ ){ sqlite3 *db = pParse->db; With *pNew; char *zName; /* Check that the CTE name is unique within this WITH clause. If ** not, store an error in the Parse structure. */ zName = sqlite3NameFromToken(pParse->db, pName); if( zName && pWith ){ int i; for(i=0; i<pWith->nCte; i++){ if( sqlite3StrICmp(zName, pWith->a[i].zName)==0 ){ sqlite3ErrorMsg(pParse, "duplicate WITH table name: %s", zName); } } } if( pWith ){ int nByte = sizeof(*pWith) + (sizeof(pWith->a[1]) * pWith->nCte); pNew = sqlite3DbRealloc(db, pWith, nByte); }else{ pNew = sqlite3DbMallocZero(db, sizeof(*pWith)); } assert( zName!=0 || pNew==0 ); assert( db->mallocFailed==0 || pNew==0 ); if( pNew==0 ){ sqlite3ExprListDelete(db, pArglist); sqlite3SelectDelete(db, pQuery); sqlite3DbFree(db, zName); pNew = pWith; }else{ pNew->a[pNew->nCte].pSelect = pQuery; pNew->a[pNew->nCte].pCols = pArglist; pNew->a[pNew->nCte].zName = zName; pNew->a[pNew->nCte].zErr = 0; pNew->nCte++; } return pNew; } /* ** Free the contents of the With object passed as the second argument. */ void sqlite3WithDelete(sqlite3 *db, With *pWith){ if( pWith ){ int i; for(i=0; i<pWith->nCte; i++){ struct Cte *pCte = &pWith->a[i]; sqlite3ExprListDelete(db, pCte->pCols); sqlite3SelectDelete(db, pCte->pSelect); sqlite3DbFree(db, pCte->zName); } sqlite3DbFree(db, pWith); } } #endif /* !defined(SQLITE_OMIT_CTE) */ |
Changes to src/delete.c.
︙ | ︙ | |||
724 725 726 727 728 729 730 | Parse *pParse, /* Parsing and code generating context */ Table *pTab, /* Table containing the row to be deleted */ int iDataCur, /* Cursor of table holding data. */ int iIdxCur, /* First index cursor */ int *aRegIdx /* Only delete if aRegIdx!=0 && aRegIdx[i]>0 */ ){ int i; /* Index loop counter */ | | > | > > | 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 | Parse *pParse, /* Parsing and code generating context */ Table *pTab, /* Table containing the row to be deleted */ int iDataCur, /* Cursor of table holding data. */ int iIdxCur, /* First index cursor */ int *aRegIdx /* Only delete if aRegIdx!=0 && aRegIdx[i]>0 */ ){ int i; /* Index loop counter */ int r1 = -1; /* Register holding an index key */ int iPartIdxLabel; /* Jump destination for skipping partial index entries */ Index *pIdx; /* Current index */ Index *pPrior = 0; /* Prior index */ Vdbe *v; /* The prepared statement under construction */ Index *pPk; /* PRIMARY KEY index, or NULL for rowid tables */ v = pParse->pVdbe; pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab); for(i=0, pIdx=pTab->pIndex; pIdx; i++, pIdx=pIdx->pNext){ assert( iIdxCur+i!=iDataCur || pPk==pIdx ); if( aRegIdx!=0 && aRegIdx[i]==0 ) continue; if( pIdx==pPk ) continue; VdbeModuleComment((v, "GenRowIdxDel for %s", pIdx->zName)); r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 1, &iPartIdxLabel, pPrior, r1); sqlite3VdbeAddOp3(v, OP_IdxDelete, iIdxCur+i, r1, pIdx->uniqNotNull ? pIdx->nKeyCol : pIdx->nColumn); sqlite3VdbeResolveLabel(v, iPartIdxLabel); pPrior = pIdx; } } /* ** Generate code that will assemble an index key and stores it in register ** regOut. The key with be for index pIdx which is an index on pTab. ** iCur is the index of a cursor open on the pTab table and pointing to |
︙ | ︙ | |||
762 763 764 765 766 767 768 769 770 771 772 773 774 775 | ** ** If *piPartIdxLabel is not NULL, fill it in with a label and jump ** to that label if pIdx is a partial index that should be skipped. ** A partial index should be skipped if its WHERE clause evaluates ** to false or null. If pIdx is not a partial index, *piPartIdxLabel ** will be set to zero which is an empty label that is ignored by ** sqlite3VdbeResolveLabel(). */ int sqlite3GenerateIndexKey( Parse *pParse, /* Parsing context */ Index *pIdx, /* The index for which to generate a key */ int iDataCur, /* Cursor number from which to take column data */ int regOut, /* Put the new key into this register if not 0 */ int prefixOnly, /* Compute only a unique prefix of the key */ | > > > > > > > > > > > | > > > > > > > > > > > < < < < < < < < < | 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 | ** ** If *piPartIdxLabel is not NULL, fill it in with a label and jump ** to that label if pIdx is a partial index that should be skipped. ** A partial index should be skipped if its WHERE clause evaluates ** to false or null. If pIdx is not a partial index, *piPartIdxLabel ** will be set to zero which is an empty label that is ignored by ** sqlite3VdbeResolveLabel(). ** ** The pPrior and regPrior parameters are used to implement a cache to ** avoid unnecessary register loads. If pPrior is not NULL, then it is ** a pointer to a different index for which an index key has just been ** computed into register regPrior. If the current pIdx index is generating ** its key into the same sequence of registers and if pPrior and pIdx share ** a column in common, then the register corresponding to that column already ** holds the correct value and the loading of that register is skipped. ** This optimization is helpful when doing a DELETE or an INTEGRITY_CHECK ** on a table with multiple indices, and especially with the ROWID or ** PRIMARY KEY columns of the index. */ int sqlite3GenerateIndexKey( Parse *pParse, /* Parsing context */ Index *pIdx, /* The index for which to generate a key */ int iDataCur, /* Cursor number from which to take column data */ int regOut, /* Put the new key into this register if not 0 */ int prefixOnly, /* Compute only a unique prefix of the key */ int *piPartIdxLabel, /* OUT: Jump to this label to skip partial index */ Index *pPrior, /* Previously generated index key */ int regPrior /* Register holding previous generated key */ ){ Vdbe *v = pParse->pVdbe; int j; Table *pTab = pIdx->pTable; int regBase; int nCol; if( piPartIdxLabel ){ if( pIdx->pPartIdxWhere ){ *piPartIdxLabel = sqlite3VdbeMakeLabel(v); pParse->iPartIdxTab = iDataCur; sqlite3ExprIfFalse(pParse, pIdx->pPartIdxWhere, *piPartIdxLabel, SQLITE_JUMPIFNULL); }else{ *piPartIdxLabel = 0; } } nCol = (prefixOnly && pIdx->uniqNotNull) ? pIdx->nKeyCol : pIdx->nColumn; regBase = sqlite3GetTempRange(pParse, nCol); if( pPrior && (regBase!=regPrior || pPrior->pPartIdxWhere) ) pPrior = 0; for(j=0; j<nCol; j++){ if( pPrior && pPrior->aiColumn[j]==pIdx->aiColumn[j] ) continue; sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, pIdx->aiColumn[j], regBase+j); /* If the column affinity is REAL but the number is an integer, then it ** might be stored in the table as an integer (using a compact ** representation) then converted to REAL by an OP_RealAffinity opcode. ** But we are getting ready to store this value back into an index, where ** it should be converted by to INTEGER again. So omit the OP_RealAffinity ** opcode if it is present */ sqlite3VdbeDeletePriorOpcode(v, OP_RealAffinity); } if( regOut ){ sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regOut); } sqlite3ReleaseTempRange(pParse, regBase, nCol); return regBase; } |
Changes to src/expr.c.
︙ | ︙ | |||
519 520 521 522 523 524 525 | if( p ) { sqlite3ExprCheckHeight(pParse, p->nHeight); } return p; } /* | > > | > | | | | > > > > > > | 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 | if( p ) { sqlite3ExprCheckHeight(pParse, p->nHeight); } return p; } /* ** If the expression is always either TRUE or FALSE (respectively), ** then return 1. If one cannot determine the truth value of the ** expression at compile-time return 0. ** ** This is an optimization. If is OK to return 0 here even if ** the expression really is always false or false (a false negative). ** But it is a bug to return 1 if the expression might have different ** boolean values in different circumstances (a false positive.) ** ** Note that if the expression is part of conditional for a ** LEFT JOIN, then we cannot determine at compile-time whether or not ** is it true or false, so always return 0. */ static int exprAlwaysTrue(Expr *p){ int v = 0; if( ExprHasProperty(p, EP_FromJoin) ) return 0; if( !sqlite3ExprIsInteger(p, &v) ) return 0; return v!=0; } static int exprAlwaysFalse(Expr *p){ int v = 0; if( ExprHasProperty(p, EP_FromJoin) ) return 0; if( !sqlite3ExprIsInteger(p, &v) ) return 0; return v==0; } |
︙ | ︙ | |||
882 883 884 885 886 887 888 889 890 891 892 893 894 895 | } } } return pNew; } /* ** The following group of routines make deep copies of expressions, ** expression lists, ID lists, and select statements. The copies can ** be deleted (by being passed to their respective ...Delete() routines) ** without effecting the originals. ** ** The expression list, ID, and source lists return by sqlite3ExprListDup(), | > > > > > > > > > > > > > > > > > > > > > > > > > > > | 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 | } } } return pNew; } /* ** Create and return a deep copy of the object passed as the second ** argument. If an OOM condition is encountered, NULL is returned ** and the db->mallocFailed flag set. */ #ifndef SQLITE_OMIT_CTE static With *withDup(sqlite3 *db, With *p){ With *pRet = 0; if( p ){ int nByte = sizeof(*p) + sizeof(p->a[0]) * (p->nCte-1); pRet = sqlite3DbMallocZero(db, nByte); if( pRet ){ int i; pRet->nCte = p->nCte; for(i=0; i<p->nCte; i++){ pRet->a[i].pSelect = sqlite3SelectDup(db, p->a[i].pSelect, 0); pRet->a[i].pCols = sqlite3ExprListDup(db, p->a[i].pCols, 0); pRet->a[i].zName = sqlite3DbStrDup(db, p->a[i].zName); } } } return pRet; } #else # define withDup(x,y) 0 #endif /* ** The following group of routines make deep copies of expressions, ** expression lists, ID lists, and select statements. The copies can ** be deleted (by being passed to their respective ...Delete() routines) ** without effecting the originals. ** ** The expression list, ID, and source lists return by sqlite3ExprListDup(), |
︙ | ︙ | |||
962 963 964 965 966 967 968 969 970 971 972 973 974 975 | pNewItem->zAlias = sqlite3DbStrDup(db, pOldItem->zAlias); pNewItem->jointype = pOldItem->jointype; pNewItem->iCursor = pOldItem->iCursor; pNewItem->addrFillSub = pOldItem->addrFillSub; pNewItem->regReturn = pOldItem->regReturn; pNewItem->isCorrelated = pOldItem->isCorrelated; pNewItem->viaCoroutine = pOldItem->viaCoroutine; pNewItem->zIndex = sqlite3DbStrDup(db, pOldItem->zIndex); pNewItem->notIndexed = pOldItem->notIndexed; pNewItem->pIndex = pOldItem->pIndex; pTab = pNewItem->pTab = pOldItem->pTab; if( pTab ){ pTab->nRef++; } | > | 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 | pNewItem->zAlias = sqlite3DbStrDup(db, pOldItem->zAlias); pNewItem->jointype = pOldItem->jointype; pNewItem->iCursor = pOldItem->iCursor; pNewItem->addrFillSub = pOldItem->addrFillSub; pNewItem->regReturn = pOldItem->regReturn; pNewItem->isCorrelated = pOldItem->isCorrelated; pNewItem->viaCoroutine = pOldItem->viaCoroutine; pNewItem->isRecursive = pOldItem->isRecursive; pNewItem->zIndex = sqlite3DbStrDup(db, pOldItem->zIndex); pNewItem->notIndexed = pOldItem->notIndexed; pNewItem->pIndex = pOldItem->pIndex; pTab = pNewItem->pTab = pOldItem->pTab; if( pTab ){ pTab->nRef++; } |
︙ | ︙ | |||
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 | pNew->iLimit = 0; pNew->iOffset = 0; pNew->selFlags = p->selFlags & ~SF_UsesEphemeral; pNew->pRightmost = 0; pNew->addrOpenEphm[0] = -1; pNew->addrOpenEphm[1] = -1; pNew->addrOpenEphm[2] = -1; return pNew; } #else Select *sqlite3SelectDup(sqlite3 *db, Select *p, int flags){ assert( p==0 ); return 0; } | > | 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 | pNew->iLimit = 0; pNew->iOffset = 0; pNew->selFlags = p->selFlags & ~SF_UsesEphemeral; pNew->pRightmost = 0; pNew->addrOpenEphm[0] = -1; pNew->addrOpenEphm[1] = -1; pNew->addrOpenEphm[2] = -1; pNew->pWith = withDup(db, p->pWith); return pNew; } #else Select *sqlite3SelectDup(sqlite3 *db, Select *p, int flags){ assert( p==0 ); return 0; } |
︙ | ︙ | |||
3525 3526 3527 3528 3529 3530 3531 | if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( NEVER(pExpr==0) ) return; /* No way this can happen */ op = pExpr->op; switch( op ){ case TK_AND: { int d2 = sqlite3VdbeMakeLabel(v); testcase( jumpIfNull==0 ); | < > > > | 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 | if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( NEVER(pExpr==0) ) return; /* No way this can happen */ op = pExpr->op; switch( op ){ case TK_AND: { int d2 = sqlite3VdbeMakeLabel(v); testcase( jumpIfNull==0 ); sqlite3ExprIfFalse(pParse, pExpr->pLeft, d2,jumpIfNull^SQLITE_JUMPIFNULL); sqlite3ExprCachePush(pParse); sqlite3ExprIfTrue(pParse, pExpr->pRight, dest, jumpIfNull); sqlite3VdbeResolveLabel(v, d2); sqlite3ExprCachePop(pParse, 1); break; } case TK_OR: { testcase( jumpIfNull==0 ); sqlite3ExprIfTrue(pParse, pExpr->pLeft, dest, jumpIfNull); sqlite3ExprCachePush(pParse); sqlite3ExprIfTrue(pParse, pExpr->pRight, dest, jumpIfNull); sqlite3ExprCachePop(pParse, 1); break; } case TK_NOT: { testcase( jumpIfNull==0 ); sqlite3ExprIfFalse(pParse, pExpr->pLeft, dest, jumpIfNull); break; } |
︙ | ︙ | |||
3610 3611 3612 3613 3614 3615 3616 | sqlite3ExprCodeIN(pParse, pExpr, destIfFalse, destIfNull); sqlite3VdbeAddOp2(v, OP_Goto, 0, dest); sqlite3VdbeResolveLabel(v, destIfFalse); break; } #endif default: { | > > > > > | | | | > | 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 | sqlite3ExprCodeIN(pParse, pExpr, destIfFalse, destIfNull); sqlite3VdbeAddOp2(v, OP_Goto, 0, dest); sqlite3VdbeResolveLabel(v, destIfFalse); break; } #endif default: { if( exprAlwaysTrue(pExpr) ){ sqlite3VdbeAddOp2(v, OP_Goto, 0, dest); }else if( exprAlwaysFalse(pExpr) ){ /* No-op */ }else{ r1 = sqlite3ExprCodeTemp(pParse, pExpr, ®Free1); sqlite3VdbeAddOp3(v, OP_If, r1, dest, jumpIfNull!=0); testcase( regFree1==0 ); testcase( jumpIfNull==0 ); } break; } } sqlite3ReleaseTempReg(pParse, regFree1); sqlite3ReleaseTempReg(pParse, regFree2); } |
︙ | ︙ | |||
3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 | assert( pExpr->op!=TK_GT || op==OP_Le ); assert( pExpr->op!=TK_GE || op==OP_Lt ); switch( pExpr->op ){ case TK_AND: { testcase( jumpIfNull==0 ); sqlite3ExprIfFalse(pParse, pExpr->pLeft, dest, jumpIfNull); sqlite3ExprIfFalse(pParse, pExpr->pRight, dest, jumpIfNull); break; } case TK_OR: { int d2 = sqlite3VdbeMakeLabel(v); testcase( jumpIfNull==0 ); | > > < > | 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 | assert( pExpr->op!=TK_GT || op==OP_Le ); assert( pExpr->op!=TK_GE || op==OP_Lt ); switch( pExpr->op ){ case TK_AND: { testcase( jumpIfNull==0 ); sqlite3ExprIfFalse(pParse, pExpr->pLeft, dest, jumpIfNull); sqlite3ExprCachePush(pParse); sqlite3ExprIfFalse(pParse, pExpr->pRight, dest, jumpIfNull); sqlite3ExprCachePop(pParse, 1); break; } case TK_OR: { int d2 = sqlite3VdbeMakeLabel(v); testcase( jumpIfNull==0 ); sqlite3ExprIfTrue(pParse, pExpr->pLeft, d2, jumpIfNull^SQLITE_JUMPIFNULL); sqlite3ExprCachePush(pParse); sqlite3ExprIfFalse(pParse, pExpr->pRight, dest, jumpIfNull); sqlite3VdbeResolveLabel(v, d2); sqlite3ExprCachePop(pParse, 1); break; } case TK_NOT: { testcase( jumpIfNull==0 ); |
︙ | ︙ | |||
3755 3756 3757 3758 3759 3760 3761 | sqlite3ExprCodeIN(pParse, pExpr, dest, destIfNull); sqlite3VdbeResolveLabel(v, destIfNull); } break; } #endif default: { | > > > > > | | | | > | 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 | sqlite3ExprCodeIN(pParse, pExpr, dest, destIfNull); sqlite3VdbeResolveLabel(v, destIfNull); } break; } #endif default: { if( exprAlwaysFalse(pExpr) ){ sqlite3VdbeAddOp2(v, OP_Goto, 0, dest); }else if( exprAlwaysTrue(pExpr) ){ /* no-op */ }else{ r1 = sqlite3ExprCodeTemp(pParse, pExpr, ®Free1); sqlite3VdbeAddOp3(v, OP_IfNot, r1, dest, jumpIfNull!=0); testcase( regFree1==0 ); testcase( jumpIfNull==0 ); } break; } } sqlite3ReleaseTempReg(pParse, regFree1); sqlite3ReleaseTempReg(pParse, regFree2); } |
︙ | ︙ |
Changes to src/insert.c.
︙ | ︙ | |||
536 537 538 539 540 541 542 | ** transfer values form intermediate table into <table> ** end loop ** D: cleanup */ void sqlite3Insert( Parse *pParse, /* Parser context */ SrcList *pTabList, /* Name of table into which we are inserting */ | < | 536 537 538 539 540 541 542 543 544 545 546 547 548 549 | ** transfer values form intermediate table into <table> ** end loop ** D: cleanup */ void sqlite3Insert( Parse *pParse, /* Parser context */ SrcList *pTabList, /* Name of table into which we are inserting */ Select *pSelect, /* A SELECT statement to use as the data source */ IdList *pColumn, /* Column names corresponding to IDLIST. */ int onError /* How to handle constraint errors */ ){ sqlite3 *db; /* The main database structure */ Table *pTab; /* The table to insert into. aka TABLE */ char *zTab; /* Name of the table into which we are inserting */ |
︙ | ︙ | |||
564 565 566 567 568 569 570 571 572 573 574 575 576 577 | int addrCont = 0; /* Top of insert loop. Label "C" in templates 3 and 4 */ int addrSelect = 0; /* Address of coroutine that implements the SELECT */ SelectDest dest; /* Destination for SELECT on rhs of INSERT */ int iDb; /* Index of database holding TABLE */ Db *pDb; /* The database containing table being inserted into */ int appendFlag = 0; /* True if the insert is likely to be an append */ int withoutRowid; /* 0 for normal table. 1 for WITHOUT ROWID table */ /* Register allocations */ int regFromSelect = 0;/* Base register for data coming from SELECT */ int regAutoinc = 0; /* Register holding the AUTOINCREMENT counter */ int regRowCount = 0; /* Memory cell used for the row counter */ int regIns; /* Block of regs holding rowid+data being inserted */ int regRowid; /* registers holding insert rowid */ | > | 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 | int addrCont = 0; /* Top of insert loop. Label "C" in templates 3 and 4 */ int addrSelect = 0; /* Address of coroutine that implements the SELECT */ SelectDest dest; /* Destination for SELECT on rhs of INSERT */ int iDb; /* Index of database holding TABLE */ Db *pDb; /* The database containing table being inserted into */ int appendFlag = 0; /* True if the insert is likely to be an append */ int withoutRowid; /* 0 for normal table. 1 for WITHOUT ROWID table */ ExprList *pList = 0; /* List of VALUES() to be inserted */ /* Register allocations */ int regFromSelect = 0;/* Base register for data coming from SELECT */ int regAutoinc = 0; /* Register holding the AUTOINCREMENT counter */ int regRowCount = 0; /* Memory cell used for the row counter */ int regIns; /* Block of regs holding rowid+data being inserted */ int regRowid; /* registers holding insert rowid */ |
︙ | ︙ | |||
586 587 588 589 590 591 592 593 594 595 596 597 598 599 | #endif db = pParse->db; memset(&dest, 0, sizeof(dest)); if( pParse->nErr || db->mallocFailed ){ goto insert_cleanup; } /* Locate the table into which we will be inserting new information. */ assert( pTabList->nSrc==1 ); zTab = pTabList->a[0].zName; if( NEVER(zTab==0) ) goto insert_cleanup; pTab = sqlite3SrcListLookup(pParse, pTabList); | > > > > > > > > > > > | 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 | #endif db = pParse->db; memset(&dest, 0, sizeof(dest)); if( pParse->nErr || db->mallocFailed ){ goto insert_cleanup; } /* If the Select object is really just a simple VALUES() list with a ** single row values (the common case) then keep that one row of values ** and go ahead and discard the Select object */ if( pSelect && (pSelect->selFlags & SF_Values)!=0 && pSelect->pPrior==0 ){ pList = pSelect->pEList; pSelect->pEList = 0; sqlite3SelectDelete(db, pSelect); pSelect = 0; } /* Locate the table into which we will be inserting new information. */ assert( pTabList->nSrc==1 ); zTab = pTabList->a[0].zName; if( NEVER(zTab==0) ) goto insert_cleanup; pTab = sqlite3SrcListLookup(pParse, pTabList); |
︙ | ︙ | |||
1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 | int onError; /* Conflict resolution strategy */ int j1; /* Addresss of jump instruction */ int seenReplace = 0; /* True if REPLACE is used to resolve INT PK conflict */ int nPkField; /* Number of fields in PRIMARY KEY. 1 for ROWID tables */ int ipkTop = 0; /* Top of the rowid change constraint check */ int ipkBottom = 0; /* Bottom of the rowid change constraint check */ u8 isUpdate; /* True if this is an UPDATE operation */ isUpdate = regOldData!=0; db = pParse->db; v = sqlite3GetVdbe(pParse); assert( v!=0 ); assert( pTab->pSelect==0 ); /* This table is not a VIEW */ nCol = pTab->nCol; | > | 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 | int onError; /* Conflict resolution strategy */ int j1; /* Addresss of jump instruction */ int seenReplace = 0; /* True if REPLACE is used to resolve INT PK conflict */ int nPkField; /* Number of fields in PRIMARY KEY. 1 for ROWID tables */ int ipkTop = 0; /* Top of the rowid change constraint check */ int ipkBottom = 0; /* Bottom of the rowid change constraint check */ u8 isUpdate; /* True if this is an UPDATE operation */ int regRowid = -1; /* Register holding ROWID value */ isUpdate = regOldData!=0; db = pParse->db; v = sqlite3GetVdbe(pParse); assert( v!=0 ); assert( pTab->pSelect==0 ); /* This table is not a VIEW */ nCol = pTab->nCol; |
︙ | ︙ | |||
1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 | ** the insert or update. Store that record in the aRegIdx[ix] register */ regIdx = sqlite3GetTempRange(pParse, pIdx->nColumn); for(i=0; i<pIdx->nColumn; i++){ int iField = pIdx->aiColumn[i]; int x; if( iField<0 || iField==pTab->iPKey ){ x = regNewData; }else{ x = iField + regNewData + 1; } sqlite3VdbeAddOp2(v, OP_SCopy, x, regIdx+i); VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName)); } sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]); | > > | 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 | ** the insert or update. Store that record in the aRegIdx[ix] register */ regIdx = sqlite3GetTempRange(pParse, pIdx->nColumn); for(i=0; i<pIdx->nColumn; i++){ int iField = pIdx->aiColumn[i]; int x; if( iField<0 || iField==pTab->iPKey ){ if( regRowid==regIdx+i ) continue; /* ROWID already in regIdx+i */ x = regNewData; regRowid = pIdx->pPartIdxWhere ? -1 : regIdx+i; }else{ x = iField + regNewData + 1; } sqlite3VdbeAddOp2(v, OP_SCopy, x, regIdx+i); VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName)); } sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]); |
︙ | ︙ | |||
1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 | Vdbe *v; /* The VDBE we are building */ int regAutoinc; /* Memory register used by AUTOINC */ int destHasUniqueIdx = 0; /* True if pDest has a UNIQUE index */ int regData, regRowid; /* Registers holding data and rowid */ if( pSelect==0 ){ return 0; /* Must be of the form INSERT INTO ... SELECT ... */ } if( sqlite3TriggerList(pParse, pDest) ){ return 0; /* tab1 must not have triggers */ } #ifndef SQLITE_OMIT_VIRTUALTABLE if( pDest->tabFlags & TF_Virtual ){ return 0; /* tab1 must not be a virtual table */ | > > > > > > | 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 | Vdbe *v; /* The VDBE we are building */ int regAutoinc; /* Memory register used by AUTOINC */ int destHasUniqueIdx = 0; /* True if pDest has a UNIQUE index */ int regData, regRowid; /* Registers holding data and rowid */ if( pSelect==0 ){ return 0; /* Must be of the form INSERT INTO ... SELECT ... */ } if( pParse->pWith || pSelect->pWith ){ /* Do not attempt to process this query if there are an WITH clauses ** attached to it. Proceeding may generate a false "no such table: xxx" ** error if pSelect reads from a CTE named "xxx". */ return 0; } if( sqlite3TriggerList(pParse, pDest) ){ return 0; /* tab1 must not have triggers */ } #ifndef SQLITE_OMIT_VIRTUALTABLE if( pDest->tabFlags & TF_Virtual ){ return 0; /* tab1 must not be a virtual table */ |
︙ | ︙ |
Changes to src/main.c.
︙ | ︙ | |||
131 132 133 134 135 136 137 | /* If SQLite is already completely initialized, then this call ** to sqlite3_initialize() should be a no-op. But the initialization ** must be complete. So isInit must not be set until the very end ** of this routine. */ if( sqlite3GlobalConfig.isInit ) return SQLITE_OK; | < < < < < < < | 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /* If SQLite is already completely initialized, then this call ** to sqlite3_initialize() should be a no-op. But the initialization ** must be complete. So isInit must not be set until the very end ** of this routine. */ if( sqlite3GlobalConfig.isInit ) return SQLITE_OK; /* Make sure the mutex subsystem is initialized. If unable to ** initialize the mutex subsystem, return early with the error. ** If the system is so sick that we are unable to allocate a mutex, ** there is not much SQLite is going to be able to do. ** ** The mutex subsystem must take care of serializing its own ** initialization. |
︙ | ︙ | |||
3118 3119 3120 3121 3122 3123 3124 | /* ** Reset the PRNG back to its uninitialized state. The next call ** to sqlite3_randomness() will reseed the PRNG using a single call ** to the xRandomness method of the default VFS. */ case SQLITE_TESTCTRL_PRNG_RESET: { | | | 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 | /* ** Reset the PRNG back to its uninitialized state. The next call ** to sqlite3_randomness() will reseed the PRNG using a single call ** to the xRandomness method of the default VFS. */ case SQLITE_TESTCTRL_PRNG_RESET: { sqlite3_randomness(0,0); break; } /* ** sqlite3_test_control(BITVEC_TEST, size, program) ** ** Run a test against a Bitvec object of size. The program argument |
︙ | ︙ |
Changes to src/os_unix.c.
︙ | ︙ | |||
256 257 258 259 260 261 262 263 264 265 266 267 268 269 | /* In test mode, increase the size of this structure a bit so that ** it is larger than the struct CrashFile defined in test6.c. */ 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 */ #ifndef SQLITE_DISABLE_DIRSYNC | > > > > > > | 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 | /* In test mode, increase the size of this structure a bit so that ** it is larger than the struct CrashFile defined in test6.c. */ char aPadding[32]; #endif }; /* This variable holds the process id (pid) from when the xRandomness() ** method was called. If xOpen() is called from a different process id, ** indicating that a fork() has occurred, the PRNG will be reset. */ static int randomnessPid = 0; /* ** 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 */ #ifndef SQLITE_DISABLE_DIRSYNC |
︙ | ︙ | |||
4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 | ** argument that was passed to the unixFetch() invocation. ** ** Or, if the third argument is NULL, then this function is being called ** to inform the VFS layer that, according to POSIX, any existing mapping ** may now be invalid and should be unmapped. */ static int unixUnfetch(sqlite3_file *fd, i64 iOff, void *p){ unixFile *pFd = (unixFile *)fd; /* The underlying database file */ UNUSED_PARAMETER(iOff); | > < > > > > | 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 | ** argument that was passed to the unixFetch() invocation. ** ** Or, if the third argument is NULL, then this function is being called ** to inform the VFS layer that, according to POSIX, any existing mapping ** may now be invalid and should be unmapped. */ static int unixUnfetch(sqlite3_file *fd, i64 iOff, void *p){ #if SQLITE_MAX_MMAP_SIZE>0 unixFile *pFd = (unixFile *)fd; /* The underlying database file */ UNUSED_PARAMETER(iOff); /* If p==0 (unmap the entire file) then there must be no outstanding ** xFetch references. Or, if p!=0 (meaning it is an xFetch reference), ** then there must be at least one outstanding. */ assert( (p==0)==(pFd->nFetchOut==0) ); /* If p!=0, it must match the iOff value. */ assert( p==0 || p==&((u8 *)pFd->pMapRegion)[iOff] ); if( p ){ pFd->nFetchOut--; }else{ unixUnmapfile(pFd); } assert( pFd->nFetchOut>=0 ); #else UNUSED_PARAMETER(fd); UNUSED_PARAMETER(p); UNUSED_PARAMETER(iOff); #endif return SQLITE_OK; } /* ** Here ends the implementation of all sqlite3_file methods. ** |
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5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 | /* Assert that the upper layer has set one of the "file-type" flags. */ assert( eType==SQLITE_OPEN_MAIN_DB || eType==SQLITE_OPEN_TEMP_DB || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_TEMP_JOURNAL || eType==SQLITE_OPEN_SUBJOURNAL || eType==SQLITE_OPEN_MASTER_JOURNAL || eType==SQLITE_OPEN_TRANSIENT_DB || eType==SQLITE_OPEN_WAL ); memset(p, 0, sizeof(unixFile)); if( eType==SQLITE_OPEN_MAIN_DB ){ UnixUnusedFd *pUnused; pUnused = findReusableFd(zName, flags); if( pUnused ){ | > > > > > > > > > > | 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 | /* Assert that the upper layer has set one of the "file-type" flags. */ assert( eType==SQLITE_OPEN_MAIN_DB || eType==SQLITE_OPEN_TEMP_DB || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_TEMP_JOURNAL || eType==SQLITE_OPEN_SUBJOURNAL || eType==SQLITE_OPEN_MASTER_JOURNAL || eType==SQLITE_OPEN_TRANSIENT_DB || eType==SQLITE_OPEN_WAL ); /* Detect a pid change and reset the PRNG. There is a race condition ** here such that two or more threads all trying to open databases at ** the same instant might all reset the PRNG. But multiple resets ** are harmless. */ if( randomnessPid!=getpid() ){ randomnessPid = getpid(); sqlite3_randomness(0,0); } memset(p, 0, sizeof(unixFile)); if( eType==SQLITE_OPEN_MAIN_DB ){ UnixUnusedFd *pUnused; pUnused = findReusableFd(zName, flags); if( pUnused ){ |
︙ | ︙ | |||
6034 6035 6036 6037 6038 6039 6040 6041 6042 | ** in the random seed. ** ** When testing, initializing zBuf[] to zero is all we do. That means ** that we always use the same random number sequence. This makes the ** tests repeatable. */ memset(zBuf, 0, nBuf); #if !defined(SQLITE_TEST) { | > | < | | | | 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 | ** in the random seed. ** ** When testing, initializing zBuf[] to zero is all we do. That means ** that we always use the same random number sequence. This makes the ** tests repeatable. */ memset(zBuf, 0, nBuf); randomnessPid = getpid(); #if !defined(SQLITE_TEST) { int fd, got; fd = robust_open("/dev/urandom", O_RDONLY, 0); if( fd<0 ){ time_t t; time(&t); memcpy(zBuf, &t, sizeof(t)); memcpy(&zBuf[sizeof(t)], &randomnessPid, sizeof(randomnessPid)); assert( sizeof(t)+sizeof(randomnessPid)<=(size_t)nBuf ); nBuf = sizeof(t) + sizeof(randomnessPid); }else{ do{ got = osRead(fd, zBuf, nBuf); }while( got<0 && errno==EINTR ); robust_close(0, fd, __LINE__); } } #endif return nBuf; |
︙ | ︙ |
Changes to src/os_win.c.
︙ | ︙ | |||
3220 3221 3222 3223 3224 3225 3226 | */ static void winShmEnterMutex(void){ sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); } static void winShmLeaveMutex(void){ sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); } | | | 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 | */ static void winShmEnterMutex(void){ sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); } static void winShmLeaveMutex(void){ sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); } #ifndef NDEBUG static int winShmMutexHeld(void) { return sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER)); } #endif /* ** Object used to represent a single file opened and mmapped to provide |
︙ | ︙ |
Changes to src/parse.y.
︙ | ︙ | |||
90 91 92 93 94 95 96 | struct TrigEvent { int a; IdList * b; }; /* ** An instance of this structure holds the ATTACH key and the key type. */ struct AttachKey { int type; Token key; }; | < < < < < < < < | 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | struct TrigEvent { int a; IdList * b; }; /* ** An instance of this structure holds the ATTACH key and the key type. */ struct AttachKey { int type; Token key; }; } // end %include // Input is a single SQL command input ::= cmdlist. cmdlist ::= cmdlist ecmd. cmdlist ::= ecmd. ecmd ::= SEMI. |
︙ | ︙ | |||
198 199 200 201 202 203 204 | pParse->constraintName.n = 0; } // An IDENTIFIER can be a generic identifier, or one of several // keywords. Any non-standard keyword can also be an identifier. // | < < | | | | 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | pParse->constraintName.n = 0; } // An IDENTIFIER can be a generic identifier, or one of several // keywords. Any non-standard keyword can also be an identifier. // %token_class id ID|INDEXED. // The following directive causes tokens ABORT, AFTER, ASC, etc. to // fallback to ID if they will not parse as their original value. // This obviates the need for the "id" nonterminal. // %fallback ID ABORT ACTION AFTER ANALYZE ASC ATTACH BEFORE BEGIN BY CASCADE CAST COLUMNKW CONFLICT DATABASE DEFERRED DESC DETACH EACH END EXCLUSIVE EXPLAIN FAIL FOR IGNORE IMMEDIATE INITIALLY INSTEAD LIKE_KW MATCH NO PLAN QUERY KEY OF OFFSET PRAGMA RAISE RECURSIVE RELEASE REPLACE RESTRICT ROW ROLLBACK SAVEPOINT TEMP TRIGGER VACUUM VIEW VIRTUAL WITH WITHOUT %ifdef SQLITE_OMIT_COMPOUND_SELECT EXCEPT INTERSECT UNION %endif SQLITE_OMIT_COMPOUND_SELECT REINDEX RENAME CTIME_KW IF . %wildcard ANY. |
︙ | ︙ | |||
245 246 247 248 249 250 251 | %left STAR SLASH REM. %left CONCAT. %left COLLATE. %right BITNOT. // And "ids" is an identifer-or-string. // | < | | 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 | %left STAR SLASH REM. %left CONCAT. %left COLLATE. %right BITNOT. // And "ids" is an identifer-or-string. // %token_class ids ID|STRING. // The name of a column or table can be any of the following: // %type nm {Token} nm(A) ::= id(X). {A = X;} nm(A) ::= STRING(X). {A = X;} nm(A) ::= JOIN_KW(X). {A = X;} |
︙ | ︙ | |||
404 405 406 407 408 409 410 | sqlite3DropTable(pParse, X, 1, E); } %endif SQLITE_OMIT_VIEW //////////////////////// The SELECT statement ///////////////////////////////// // cmd ::= select(X). { | | > > > > > > > > > > > | | > > > > > > > > > > > > > > > > > | 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 | sqlite3DropTable(pParse, X, 1, E); } %endif SQLITE_OMIT_VIEW //////////////////////// The SELECT statement ///////////////////////////////// // cmd ::= select(X). { SelectDest dest = {SRT_Output, 0, 0, 0, 0, 0}; sqlite3Select(pParse, X, &dest); sqlite3ExplainBegin(pParse->pVdbe); sqlite3ExplainSelect(pParse->pVdbe, X); sqlite3ExplainFinish(pParse->pVdbe); sqlite3SelectDelete(pParse->db, X); } %type select {Select*} %destructor select {sqlite3SelectDelete(pParse->db, $$);} %type selectnowith {Select*} %destructor selectnowith {sqlite3SelectDelete(pParse->db, $$);} %type oneselect {Select*} %destructor oneselect {sqlite3SelectDelete(pParse->db, $$);} select(A) ::= with(W) selectnowith(X). { if( X ){ X->pWith = W; }else{ sqlite3WithDelete(pParse->db, W); } A = X; } selectnowith(A) ::= oneselect(X). {A = X;} %ifndef SQLITE_OMIT_COMPOUND_SELECT selectnowith(A) ::= selectnowith(X) multiselect_op(Y) oneselect(Z). { if( Z ){ Z->op = (u8)Y; Z->pPrior = X; if( Y!=TK_ALL ) pParse->hasCompound = 1; }else{ sqlite3SelectDelete(pParse->db, X); } A = Z; } %type multiselect_op {int} multiselect_op(A) ::= UNION(OP). {A = @OP;} multiselect_op(A) ::= UNION ALL. {A = TK_ALL;} multiselect_op(A) ::= EXCEPT|INTERSECT(OP). {A = @OP;} %endif SQLITE_OMIT_COMPOUND_SELECT oneselect(A) ::= SELECT distinct(D) selcollist(W) from(X) where_opt(Y) groupby_opt(P) having_opt(Q) orderby_opt(Z) limit_opt(L). { A = sqlite3SelectNew(pParse,W,X,Y,P,Q,Z,D,L.pLimit,L.pOffset); } oneselect(A) ::= values(X). {A = X;} %type values {Select*} %destructor values {sqlite3SelectDelete(pParse->db, $$);} values(A) ::= VALUES LP nexprlist(X) RP. { A = sqlite3SelectNew(pParse,X,0,0,0,0,0,SF_Values,0,0); } values(A) ::= values(X) COMMA LP exprlist(Y) RP. { Select *pRight = sqlite3SelectNew(pParse,Y,0,0,0,0,0,SF_Values,0,0); if( pRight ){ pRight->op = TK_ALL; pRight->pPrior = X; A = pRight; }else{ A = X; } } // The "distinct" nonterminal is true (1) if the DISTINCT keyword is // present and false (0) if it is not. // %type distinct {u16} distinct(A) ::= DISTINCT. {A = SF_Distinct;} |
︙ | ︙ | |||
638 639 640 641 642 643 644 | {A.pLimit = X.pExpr; A.pOffset = Y.pExpr;} limit_opt(A) ::= LIMIT expr(X) COMMA expr(Y). {A.pOffset = X.pExpr; A.pLimit = Y.pExpr;} /////////////////////////// The DELETE statement ///////////////////////////// // %ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT | | > | > | | > | > | | < | > | > > | | > < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 | {A.pLimit = X.pExpr; A.pOffset = Y.pExpr;} limit_opt(A) ::= LIMIT expr(X) COMMA expr(Y). {A.pOffset = X.pExpr; A.pLimit = Y.pExpr;} /////////////////////////// The DELETE statement ///////////////////////////// // %ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT cmd ::= with(C) DELETE FROM fullname(X) indexed_opt(I) where_opt(W) orderby_opt(O) limit_opt(L). { sqlite3WithPush(pParse, C, 1); sqlite3SrcListIndexedBy(pParse, X, &I); W = sqlite3LimitWhere(pParse, X, W, O, L.pLimit, L.pOffset, "DELETE"); sqlite3DeleteFrom(pParse,X,W); } %endif %ifndef SQLITE_ENABLE_UPDATE_DELETE_LIMIT cmd ::= with(C) DELETE FROM fullname(X) indexed_opt(I) where_opt(W). { sqlite3WithPush(pParse, C, 1); sqlite3SrcListIndexedBy(pParse, X, &I); sqlite3DeleteFrom(pParse,X,W); } %endif %type where_opt {Expr*} %destructor where_opt {sqlite3ExprDelete(pParse->db, $$);} where_opt(A) ::= . {A = 0;} where_opt(A) ::= WHERE expr(X). {A = X.pExpr;} ////////////////////////// The UPDATE command //////////////////////////////// // %ifdef SQLITE_ENABLE_UPDATE_DELETE_LIMIT cmd ::= with(C) UPDATE orconf(R) fullname(X) indexed_opt(I) SET setlist(Y) where_opt(W) orderby_opt(O) limit_opt(L). { sqlite3WithPush(pParse, C, 1); sqlite3SrcListIndexedBy(pParse, X, &I); sqlite3ExprListCheckLength(pParse,Y,"set list"); W = sqlite3LimitWhere(pParse, X, W, O, L.pLimit, L.pOffset, "UPDATE"); sqlite3Update(pParse,X,Y,W,R); } %endif %ifndef SQLITE_ENABLE_UPDATE_DELETE_LIMIT cmd ::= with(C) UPDATE orconf(R) fullname(X) indexed_opt(I) SET setlist(Y) where_opt(W). { sqlite3WithPush(pParse, C, 1); sqlite3SrcListIndexedBy(pParse, X, &I); sqlite3ExprListCheckLength(pParse,Y,"set list"); sqlite3Update(pParse,X,Y,W,R); } %endif %type setlist {ExprList*} %destructor setlist {sqlite3ExprListDelete(pParse->db, $$);} setlist(A) ::= setlist(Z) COMMA nm(X) EQ expr(Y). { A = sqlite3ExprListAppend(pParse, Z, Y.pExpr); sqlite3ExprListSetName(pParse, A, &X, 1); } setlist(A) ::= nm(X) EQ expr(Y). { A = sqlite3ExprListAppend(pParse, 0, Y.pExpr); sqlite3ExprListSetName(pParse, A, &X, 1); } ////////////////////////// The INSERT command ///////////////////////////////// // cmd ::= with(W) insert_cmd(R) INTO fullname(X) inscollist_opt(F) select(S). { sqlite3WithPush(pParse, W, 1); sqlite3Insert(pParse, X, S, F, R); } cmd ::= with(W) insert_cmd(R) INTO fullname(X) inscollist_opt(F) DEFAULT VALUES. { sqlite3WithPush(pParse, W, 1); sqlite3Insert(pParse, X, 0, F, R); } %type insert_cmd {u8} insert_cmd(A) ::= INSERT orconf(R). {A = R;} insert_cmd(A) ::= REPLACE. {A = OE_Replace;} %type inscollist_opt {IdList*} %destructor inscollist_opt {sqlite3IdListDelete(pParse->db, $$);} %type idlist {IdList*} %destructor idlist {sqlite3IdListDelete(pParse->db, $$);} inscollist_opt(A) ::= . {A = 0;} inscollist_opt(A) ::= LP idlist(X) RP. {A = X;} |
︙ | ︙ | |||
806 807 808 809 810 811 812 | Expr *temp3 = sqlite3PExpr(pParse, TK_ID, 0, 0, &Z); Expr *temp4 = sqlite3PExpr(pParse, TK_DOT, temp2, temp3, 0); A.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp4, 0); spanSet(&A,&X,&Z); } term(A) ::= INTEGER|FLOAT|BLOB(X). {spanExpr(&A, pParse, @X, &X);} term(A) ::= STRING(X). {spanExpr(&A, pParse, @X, &X);} | | > | | | | | | | | | | < | < | | > | | | 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 | Expr *temp3 = sqlite3PExpr(pParse, TK_ID, 0, 0, &Z); Expr *temp4 = sqlite3PExpr(pParse, TK_DOT, temp2, temp3, 0); A.pExpr = sqlite3PExpr(pParse, TK_DOT, temp1, temp4, 0); spanSet(&A,&X,&Z); } term(A) ::= INTEGER|FLOAT|BLOB(X). {spanExpr(&A, pParse, @X, &X);} term(A) ::= STRING(X). {spanExpr(&A, pParse, @X, &X);} expr(A) ::= VARIABLE(X). { if( X.n>=2 && X.z[0]=='#' && sqlite3Isdigit(X.z[1]) ){ /* When doing a nested parse, one can include terms in an expression ** that look like this: #1 #2 ... These terms refer to registers ** in the virtual machine. #N is the N-th register. */ if( pParse->nested==0 ){ sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &X); A.pExpr = 0; }else{ A.pExpr = sqlite3PExpr(pParse, TK_REGISTER, 0, 0, &X); if( A.pExpr ) sqlite3GetInt32(&X.z[1], &A.pExpr->iTable); } }else{ spanExpr(&A, pParse, TK_VARIABLE, &X); sqlite3ExprAssignVarNumber(pParse, A.pExpr); } spanSet(&A, &X, &X); } expr(A) ::= expr(E) COLLATE ids(C). { A.pExpr = sqlite3ExprAddCollateToken(pParse, E.pExpr, &C); A.zStart = E.zStart; A.zEnd = &C.z[C.n]; } %ifndef SQLITE_OMIT_CAST expr(A) ::= CAST(X) LP expr(E) AS typetoken(T) RP(Y). { A.pExpr = sqlite3PExpr(pParse, TK_CAST, E.pExpr, 0, &T); spanSet(&A,&X,&Y); } %endif SQLITE_OMIT_CAST expr(A) ::= id(X) LP distinct(D) exprlist(Y) RP(E). { if( Y && Y->nExpr>pParse->db->aLimit[SQLITE_LIMIT_FUNCTION_ARG] ){ sqlite3ErrorMsg(pParse, "too many arguments on function %T", &X); } A.pExpr = sqlite3ExprFunction(pParse, Y, &X); spanSet(&A,&X,&E); if( D && A.pExpr ){ A.pExpr->flags |= EP_Distinct; } } expr(A) ::= id(X) LP STAR RP(E). { A.pExpr = sqlite3ExprFunction(pParse, 0, &X); spanSet(&A,&X,&E); } term(A) ::= CTIME_KW(OP). { A.pExpr = sqlite3ExprFunction(pParse, 0, &OP); spanSet(&A, &OP, &OP); } |
︙ | ︙ | |||
884 885 886 887 888 889 890 | {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} expr(A) ::= expr(X) PLUS|MINUS(OP) expr(Y). {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} expr(A) ::= expr(X) STAR|SLASH|REM(OP) expr(Y). {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} expr(A) ::= expr(X) CONCAT(OP) expr(Y). {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} %type likeop {struct LikeOp} | | | < < | 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 | {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} expr(A) ::= expr(X) PLUS|MINUS(OP) expr(Y). {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} expr(A) ::= expr(X) STAR|SLASH|REM(OP) expr(Y). {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} expr(A) ::= expr(X) CONCAT(OP) expr(Y). {spanBinaryExpr(&A,pParse,@OP,&X,&Y);} %type likeop {struct LikeOp} likeop(A) ::= LIKE_KW|MATCH(X). {A.eOperator = X; A.bNot = 0;} likeop(A) ::= NOT LIKE_KW|MATCH(X). {A.eOperator = X; A.bNot = 1;} expr(A) ::= expr(X) likeop(OP) expr(Y). [LIKE_KW] { ExprList *pList; pList = sqlite3ExprListAppend(pParse,0, Y.pExpr); pList = sqlite3ExprListAppend(pParse,pList, X.pExpr); A.pExpr = sqlite3ExprFunction(pParse, pList, &OP.eOperator); if( OP.bNot ) A.pExpr = sqlite3PExpr(pParse, TK_NOT, A.pExpr, 0, 0); A.zStart = X.zStart; |
︙ | ︙ | |||
1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 | nmnum(A) ::= plus_num(X). {A = X;} nmnum(A) ::= nm(X). {A = X;} nmnum(A) ::= ON(X). {A = X;} nmnum(A) ::= DELETE(X). {A = X;} nmnum(A) ::= DEFAULT(X). {A = X;} %endif SQLITE_OMIT_PRAGMA plus_num(A) ::= PLUS number(X). {A = X;} plus_num(A) ::= number(X). {A = X;} minus_num(A) ::= MINUS number(X). {A = X;} | > < < | 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 | nmnum(A) ::= plus_num(X). {A = X;} nmnum(A) ::= nm(X). {A = X;} nmnum(A) ::= ON(X). {A = X;} nmnum(A) ::= DELETE(X). {A = X;} nmnum(A) ::= DEFAULT(X). {A = X;} %endif SQLITE_OMIT_PRAGMA %token_class number INTEGER|FLOAT. plus_num(A) ::= PLUS number(X). {A = X;} plus_num(A) ::= number(X). {A = X;} minus_num(A) ::= MINUS number(X). {A = X;} //////////////////////////// The CREATE TRIGGER command ///////////////////// %ifndef SQLITE_OMIT_TRIGGER cmd ::= createkw trigger_decl(A) BEGIN trigger_cmd_list(S) END(Z). { Token all; all.z = A.z; |
︙ | ︙ | |||
1291 1292 1293 1294 1295 1296 1297 | %destructor trigger_cmd {sqlite3DeleteTriggerStep(pParse->db, $$);} // UPDATE trigger_cmd(A) ::= UPDATE orconf(R) trnm(X) tridxby SET setlist(Y) where_opt(Z). { A = sqlite3TriggerUpdateStep(pParse->db, &X, Y, Z, R); } // INSERT | < < < < | | 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 | %destructor trigger_cmd {sqlite3DeleteTriggerStep(pParse->db, $$);} // UPDATE trigger_cmd(A) ::= UPDATE orconf(R) trnm(X) tridxby SET setlist(Y) where_opt(Z). { A = sqlite3TriggerUpdateStep(pParse->db, &X, Y, Z, R); } // INSERT trigger_cmd(A) ::= insert_cmd(R) INTO trnm(X) inscollist_opt(F) select(S). {A = sqlite3TriggerInsertStep(pParse->db, &X, F, S, R);} // DELETE trigger_cmd(A) ::= DELETE FROM trnm(X) tridxby where_opt(Y). {A = sqlite3TriggerDeleteStep(pParse->db, &X, Y);} // SELECT trigger_cmd(A) ::= select(X). {A = sqlite3TriggerSelectStep(pParse->db, X); } |
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1402 1403 1404 1405 1406 1407 1408 | vtabargtoken ::= ANY(X). {sqlite3VtabArgExtend(pParse,&X);} vtabargtoken ::= lp anylist RP(X). {sqlite3VtabArgExtend(pParse,&X);} lp ::= LP(X). {sqlite3VtabArgExtend(pParse,&X);} anylist ::= . anylist ::= anylist LP anylist RP. anylist ::= anylist ANY. %endif SQLITE_OMIT_VIRTUALTABLE | > > > > > > > > > > > > > > > > > > > > | 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 | vtabargtoken ::= ANY(X). {sqlite3VtabArgExtend(pParse,&X);} vtabargtoken ::= lp anylist RP(X). {sqlite3VtabArgExtend(pParse,&X);} lp ::= LP(X). {sqlite3VtabArgExtend(pParse,&X);} anylist ::= . anylist ::= anylist LP anylist RP. anylist ::= anylist ANY. %endif SQLITE_OMIT_VIRTUALTABLE //////////////////////// COMMON TABLE EXPRESSIONS //////////////////////////// %type with {With*} %type wqlist {With*} %destructor with {sqlite3WithDelete(pParse->db, $$);} %destructor wqlist {sqlite3WithDelete(pParse->db, $$);} with(A) ::= . {A = 0;} %ifndef SQLITE_OMIT_CTE with(A) ::= WITH wqlist(W). { A = W; } with(A) ::= WITH RECURSIVE wqlist(W). { A = W; } wqlist(A) ::= nm(X) idxlist_opt(Y) AS LP select(Z) RP. { A = sqlite3WithAdd(pParse, 0, &X, Y, Z); } wqlist(A) ::= wqlist(W) COMMA nm(X) idxlist_opt(Y) AS LP select(Z) RP. { A = sqlite3WithAdd(pParse, W, &X, Y, Z); } %endif SQLITE_OMIT_CTE |
Changes to src/pragma.c.
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1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 | sqlite3VdbeJumpHere(v, addr); /* Make sure all the indices are constructed correctly. */ for(x=sqliteHashFirst(pTbls); x && !isQuick; x=sqliteHashNext(x)){ Table *pTab = sqliteHashData(x); Index *pIdx, *pPk; int loopTop; int iDataCur, iIdxCur; if( pTab->pIndex==0 ) continue; pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab); 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, OP_OpenRead, 1, 0, &iDataCur, &iIdxCur); sqlite3VdbeAddOp2(v, OP_Integer, 0, 7); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ sqlite3VdbeAddOp2(v, OP_Integer, 0, 8+j); /* index entries counter */ } pParse->nMem = MAX(pParse->nMem, 8+j); sqlite3VdbeAddOp2(v, OP_Rewind, iDataCur, 0); loopTop = sqlite3VdbeAddOp2(v, OP_AddImm, 7, 1); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ int jmp2, jmp3, jmp4; | > > < | > > | 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 | sqlite3VdbeJumpHere(v, addr); /* Make sure all the indices are constructed correctly. */ for(x=sqliteHashFirst(pTbls); x && !isQuick; x=sqliteHashNext(x)){ Table *pTab = sqliteHashData(x); Index *pIdx, *pPk; Index *pPrior = 0; int loopTop; int iDataCur, iIdxCur; int r1 = -1; if( pTab->pIndex==0 ) continue; pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab); 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, OP_OpenRead, 1, 0, &iDataCur, &iIdxCur); sqlite3VdbeAddOp2(v, OP_Integer, 0, 7); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ sqlite3VdbeAddOp2(v, OP_Integer, 0, 8+j); /* index entries counter */ } pParse->nMem = MAX(pParse->nMem, 8+j); sqlite3VdbeAddOp2(v, OP_Rewind, iDataCur, 0); loopTop = sqlite3VdbeAddOp2(v, OP_AddImm, 7, 1); for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){ int jmp2, jmp3, jmp4; if( pPk==pIdx ) continue; r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 0, &jmp3, pPrior, r1); pPrior = pIdx; sqlite3VdbeAddOp2(v, OP_AddImm, 8+j, 1); /* increment entry count */ jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, iIdxCur+j, 0, r1, pIdx->nColumn); sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1); /* Decrement error limit */ sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, "row ", P4_STATIC); sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3); sqlite3VdbeAddOp4(v, OP_String8, 0, 4, 0, " missing from index ", |
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Changes to src/random.c.
︙ | ︙ | |||
47 48 49 50 51 52 53 54 55 56 57 58 59 60 | # define wsdPrng sqlite3Prng #endif #if SQLITE_THREADSAFE sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_PRNG); sqlite3_mutex_enter(mutex); #endif /* Initialize the state of the random number generator once, ** the first time this routine is called. The seed value does ** not need to contain a lot of randomness since we are not ** trying to do secure encryption or anything like that... ** ** Nothing in this file or anywhere else in SQLite does any kind of | > > > > > > | 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | # define wsdPrng sqlite3Prng #endif #if SQLITE_THREADSAFE sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_PRNG); sqlite3_mutex_enter(mutex); #endif if( N<=0 ){ wsdPrng.isInit = 0; sqlite3_mutex_leave(mutex); return; } /* Initialize the state of the random number generator once, ** the first time this routine is called. The seed value does ** not need to contain a lot of randomness since we are not ** trying to do secure encryption or anything like that... ** ** Nothing in this file or anywhere else in SQLite does any kind of |
︙ | ︙ | |||
75 76 77 78 79 80 81 | t = wsdPrng.s[wsdPrng.j]; wsdPrng.s[wsdPrng.j] = wsdPrng.s[i]; wsdPrng.s[i] = t; } wsdPrng.isInit = 1; } | | > | | 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | t = wsdPrng.s[wsdPrng.j]; wsdPrng.s[wsdPrng.j] = wsdPrng.s[i]; wsdPrng.s[i] = t; } wsdPrng.isInit = 1; } assert( N>0 ); do{ wsdPrng.i++; t = wsdPrng.s[wsdPrng.i]; wsdPrng.j += t; wsdPrng.s[wsdPrng.i] = wsdPrng.s[wsdPrng.j]; wsdPrng.s[wsdPrng.j] = t; t += wsdPrng.s[wsdPrng.i]; *(zBuf++) = wsdPrng.s[t]; }while( --N ); sqlite3_mutex_leave(mutex); } #ifndef SQLITE_OMIT_BUILTIN_TEST /* ** For testing purposes, we sometimes want to preserve the state of ** PRNG and restore the PRNG to its saved state at a later time, or |
︙ | ︙ | |||
112 113 114 115 116 117 118 | void sqlite3PrngRestoreState(void){ memcpy( &GLOBAL(struct sqlite3PrngType, sqlite3Prng), &GLOBAL(struct sqlite3PrngType, sqlite3SavedPrng), sizeof(sqlite3Prng) ); } | < < < | 119 120 121 122 123 124 125 126 | void sqlite3PrngRestoreState(void){ memcpy( &GLOBAL(struct sqlite3PrngType, sqlite3Prng), &GLOBAL(struct sqlite3PrngType, sqlite3SavedPrng), sizeof(sqlite3Prng) ); } #endif /* SQLITE_OMIT_BUILTIN_TEST */ |
Changes to src/select.c.
︙ | ︙ | |||
25 26 27 28 29 30 31 32 33 34 35 36 37 38 | sqlite3ExprDelete(db, p->pWhere); sqlite3ExprListDelete(db, p->pGroupBy); sqlite3ExprDelete(db, p->pHaving); sqlite3ExprListDelete(db, p->pOrderBy); sqlite3SelectDelete(db, p->pPrior); sqlite3ExprDelete(db, p->pLimit); sqlite3ExprDelete(db, p->pOffset); } /* ** Initialize a SelectDest structure. */ void sqlite3SelectDestInit(SelectDest *pDest, int eDest, int iParm){ pDest->eDest = (u8)eDest; | > | 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | sqlite3ExprDelete(db, p->pWhere); sqlite3ExprListDelete(db, p->pGroupBy); sqlite3ExprDelete(db, p->pHaving); sqlite3ExprListDelete(db, p->pOrderBy); sqlite3SelectDelete(db, p->pPrior); sqlite3ExprDelete(db, p->pLimit); sqlite3ExprDelete(db, p->pOffset); sqlite3WithDelete(db, p->pWith); } /* ** Initialize a SelectDest structure. */ void sqlite3SelectDestInit(SelectDest *pDest, int eDest, int iParm){ pDest->eDest = (u8)eDest; |
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457 458 459 460 461 462 463 | } /* ** Add code to implement the OFFSET */ static void codeOffset( Vdbe *v, /* Generate code into this VM */ | | | | | | 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 | } /* ** Add code to implement the OFFSET */ static void codeOffset( Vdbe *v, /* Generate code into this VM */ int iOffset, /* Register holding the offset counter */ int iContinue /* Jump here to skip the current record */ ){ if( iOffset>0 && iContinue!=0 ){ int addr; sqlite3VdbeAddOp2(v, OP_AddImm, iOffset, -1); addr = sqlite3VdbeAddOp1(v, OP_IfNeg, iOffset); sqlite3VdbeAddOp2(v, OP_Goto, 0, iContinue); VdbeComment((v, "skip OFFSET records")); sqlite3VdbeJumpHere(v, addr); } } /* |
︙ | ︙ | |||
538 539 540 541 542 543 544 | int addrTnct; /* Address of OP_OpenEphemeral opcode for tabTnct */ }; /* ** This routine generates the code for the inside of the inner loop ** of a SELECT. ** | | | | | < < | < < < | < | | > < < < | | | | | | | | | | > | > > > > > > > > > > > > > | | 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 | int addrTnct; /* Address of OP_OpenEphemeral opcode for tabTnct */ }; /* ** This routine generates the code for the inside of the inner loop ** of a SELECT. ** ** If srcTab is negative, then the pEList expressions ** are evaluated in order to get the data for this row. If srcTab is ** zero or more, then data is pulled from srcTab and pEList is used only ** to get number columns and the datatype for each column. */ static void selectInnerLoop( Parse *pParse, /* The parser context */ Select *p, /* The complete select statement being coded */ ExprList *pEList, /* List of values being extracted */ int srcTab, /* Pull data from this table */ ExprList *pOrderBy, /* If not NULL, sort results using this key */ DistinctCtx *pDistinct, /* If not NULL, info on how to process DISTINCT */ SelectDest *pDest, /* How to dispose of the results */ int iContinue, /* Jump here to continue with next row */ int iBreak /* Jump here to break out of the inner loop */ ){ Vdbe *v = pParse->pVdbe; int i; int hasDistinct; /* True if the DISTINCT keyword is present */ int regResult; /* Start of memory holding result set */ int eDest = pDest->eDest; /* How to dispose of results */ int iParm = pDest->iSDParm; /* First argument to disposal method */ int nResultCol; /* Number of result columns */ assert( v ); assert( pEList!=0 ); hasDistinct = pDistinct ? pDistinct->eTnctType : WHERE_DISTINCT_NOOP; if( pOrderBy==0 && !hasDistinct ){ codeOffset(v, p->iOffset, iContinue); } /* Pull the requested columns. */ nResultCol = pEList->nExpr; if( pDest->iSdst==0 ){ pDest->iSdst = pParse->nMem+1; pDest->nSdst = nResultCol; pParse->nMem += nResultCol; }else{ assert( pDest->nSdst==nResultCol ); } regResult = pDest->iSdst; if( srcTab>=0 ){ for(i=0; i<nResultCol; i++){ sqlite3VdbeAddOp3(v, OP_Column, srcTab, i, regResult+i); VdbeComment((v, "%s", pEList->a[i].zName)); } }else if( eDest!=SRT_Exists ){ /* If the destination is an EXISTS(...) expression, the actual ** values returned by the SELECT are not required. */ sqlite3ExprCodeExprList(pParse, pEList, regResult, (eDest==SRT_Output)?SQLITE_ECEL_DUP:0); } /* If the DISTINCT keyword was present on the SELECT statement ** and this row has been seen before, then do not make this row ** part of the result. */ if( hasDistinct ){ switch( pDistinct->eTnctType ){ case WHERE_DISTINCT_ORDERED: { VdbeOp *pOp; /* No longer required OpenEphemeral instr. */ int iJump; /* Jump destination */ int regPrev; /* Previous row content */ /* Allocate space for the previous row */ regPrev = pParse->nMem+1; pParse->nMem += nResultCol; /* Change the OP_OpenEphemeral coded earlier to an OP_Null ** sets the MEM_Cleared bit on the first register of the ** previous value. This will cause the OP_Ne below to always ** fail on the first iteration of the loop even if the first ** row is all NULLs. */ sqlite3VdbeChangeToNoop(v, pDistinct->addrTnct); pOp = sqlite3VdbeGetOp(v, pDistinct->addrTnct); pOp->opcode = OP_Null; pOp->p1 = 1; pOp->p2 = regPrev; iJump = sqlite3VdbeCurrentAddr(v) + nResultCol; for(i=0; i<nResultCol; i++){ CollSeq *pColl = sqlite3ExprCollSeq(pParse, pEList->a[i].pExpr); if( i<nResultCol-1 ){ sqlite3VdbeAddOp3(v, OP_Ne, regResult+i, iJump, regPrev+i); }else{ sqlite3VdbeAddOp3(v, OP_Eq, regResult+i, iContinue, regPrev+i); } sqlite3VdbeChangeP4(v, -1, (const char *)pColl, P4_COLLSEQ); sqlite3VdbeChangeP5(v, SQLITE_NULLEQ); } assert( sqlite3VdbeCurrentAddr(v)==iJump ); sqlite3VdbeAddOp3(v, OP_Copy, regResult, regPrev, nResultCol-1); break; } case WHERE_DISTINCT_UNIQUE: { sqlite3VdbeChangeToNoop(v, pDistinct->addrTnct); break; } default: { assert( pDistinct->eTnctType==WHERE_DISTINCT_UNORDERED ); codeDistinct(pParse, pDistinct->tabTnct, iContinue, nResultCol, regResult); break; } } if( pOrderBy==0 ){ codeOffset(v, p->iOffset, iContinue); } } switch( eDest ){ /* In this mode, write each query result to the key of the temporary ** table iParm. */ #ifndef SQLITE_OMIT_COMPOUND_SELECT case SRT_Union: { int r1; r1 = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1); sqlite3VdbeAddOp2(v, OP_IdxInsert, iParm, r1); sqlite3ReleaseTempReg(pParse, r1); break; } /* Construct a record from the query result, but instead of ** saving that record, use it as a key to delete elements from ** the temporary table iParm. */ case SRT_Except: { sqlite3VdbeAddOp3(v, OP_IdxDelete, iParm, regResult, nResultCol); break; } #endif /* SQLITE_OMIT_COMPOUND_SELECT */ /* Store the result as data using a unique key. */ case SRT_DistTable: case SRT_Table: case SRT_EphemTab: { int r1 = sqlite3GetTempReg(pParse); testcase( eDest==SRT_Table ); testcase( eDest==SRT_EphemTab ); sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1); #ifndef SQLITE_OMIT_CTE if( eDest==SRT_DistTable ){ /* If the destination is DistTable, then cursor (iParm+1) is open ** on an ephemeral index. If the current row is already present ** in the index, do not write it to the output. If not, add the ** current row to the index and proceed with writing it to the ** output table as well. */ int addr = sqlite3VdbeCurrentAddr(v) + 4; sqlite3VdbeAddOp4Int(v, OP_Found, iParm+1, addr, r1, 0); sqlite3VdbeAddOp2(v, OP_IdxInsert, iParm+1, r1); assert( pOrderBy==0 ); } #endif if( pOrderBy ){ pushOntoSorter(pParse, pOrderBy, p, r1); }else{ int r2 = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp2(v, OP_NewRowid, iParm, r2); sqlite3VdbeAddOp3(v, OP_Insert, iParm, r1, r2); sqlite3VdbeChangeP5(v, OPFLAG_APPEND); sqlite3ReleaseTempReg(pParse, r2); } sqlite3ReleaseTempReg(pParse, r1); break; } #ifndef SQLITE_OMIT_SUBQUERY /* If we are creating a set for an "expr IN (SELECT ...)" construct, ** then there should be a single item on the stack. Write this ** item into the set table with bogus data. */ case SRT_Set: { assert( nResultCol==1 ); pDest->affSdst = sqlite3CompareAffinity(pEList->a[0].pExpr, pDest->affSdst); if( pOrderBy ){ /* At first glance you would think we could optimize out the ** ORDER BY in this case since the order of entries in the set ** does not matter. But there might be a LIMIT clause, in which ** case the order does matter */ |
︙ | ︙ | |||
743 744 745 746 747 748 749 | } /* If this is a scalar select that is part of an expression, then ** store the results in the appropriate memory cell and break out ** of the scan loop. */ case SRT_Mem: { | | | | | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 | } /* If this is a scalar select that is part of an expression, then ** store the results in the appropriate memory cell and break out ** of the scan loop. */ case SRT_Mem: { assert( nResultCol==1 ); if( pOrderBy ){ pushOntoSorter(pParse, pOrderBy, p, regResult); }else{ sqlite3ExprCodeMove(pParse, regResult, iParm, 1); /* The LIMIT clause will jump out of the loop for us */ } break; } #endif /* #ifndef SQLITE_OMIT_SUBQUERY */ /* Send the data to the callback function or to a subroutine. In the ** case of a subroutine, the subroutine itself is responsible for ** popping the data from the stack. */ case SRT_Coroutine: case SRT_Output: { testcase( eDest==SRT_Coroutine ); testcase( eDest==SRT_Output ); if( pOrderBy ){ int r1 = sqlite3GetTempReg(pParse); sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r1); pushOntoSorter(pParse, pOrderBy, p, r1); sqlite3ReleaseTempReg(pParse, r1); }else if( eDest==SRT_Coroutine ){ sqlite3VdbeAddOp1(v, OP_Yield, pDest->iSDParm); }else{ sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, nResultCol); sqlite3ExprCacheAffinityChange(pParse, regResult, nResultCol); } break; } #ifndef SQLITE_OMIT_CTE /* Write the results into a priority queue that is order according to ** pDest->pOrderBy (in pSO). pDest->iSDParm (in iParm) is the cursor for an ** index with pSO->nExpr+2 columns. Build a key using pSO for the first ** pSO->nExpr columns, then make sure all keys are unique by adding a ** final OP_Sequence column. The last column is the record as a blob. */ case SRT_DistQueue: case SRT_Queue: { int nKey; int r1, r2, r3; int addrTest = 0; ExprList *pSO; pSO = pDest->pOrderBy; assert( pSO ); nKey = pSO->nExpr; r1 = sqlite3GetTempReg(pParse); r2 = sqlite3GetTempRange(pParse, nKey+2); r3 = r2+nKey+1; sqlite3VdbeAddOp3(v, OP_MakeRecord, regResult, nResultCol, r3); if( eDest==SRT_DistQueue ){ /* If the destination is DistQueue, then cursor (iParm+1) is open ** on a second ephemeral index that holds all values every previously ** added to the queue. Only add this new value if it has never before ** been added */ addrTest = sqlite3VdbeAddOp4Int(v, OP_Found, iParm+1, 0, r3, 0); sqlite3VdbeAddOp2(v, OP_IdxInsert, iParm+1, r3); sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); } for(i=0; i<nKey; i++){ sqlite3VdbeAddOp2(v, OP_SCopy, regResult + pSO->a[i].u.x.iOrderByCol - 1, r2+i); } sqlite3VdbeAddOp2(v, OP_Sequence, iParm, r2+nKey); sqlite3VdbeAddOp3(v, OP_MakeRecord, r2, nKey+2, r1); sqlite3VdbeAddOp2(v, OP_IdxInsert, iParm, r1); if( addrTest ) sqlite3VdbeJumpHere(v, addrTest); sqlite3ReleaseTempReg(pParse, r1); sqlite3ReleaseTempRange(pParse, r2, nKey+2); break; } #endif /* SQLITE_OMIT_CTE */ #if !defined(SQLITE_OMIT_TRIGGER) /* Discard the results. This is used for SELECT statements inside ** the body of a TRIGGER. The purpose of such selects is to call ** user-defined functions that have side effects. We do not care ** about the actual results of the select. */ |
︙ | ︙ | |||
864 865 866 867 868 869 870 | ** then the KeyInfo structure is appropriate for initializing a virtual ** index to implement a DISTINCT test. ** ** Space to hold the KeyInfo structure is obtain from malloc. The calling ** function is responsible for seeing that this structure is eventually ** freed. */ | | | | 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 | ** then the KeyInfo structure is appropriate for initializing a virtual ** index to implement a DISTINCT test. ** ** Space to hold the KeyInfo structure is obtain from malloc. The calling ** function is responsible for seeing that this structure is eventually ** freed. */ static KeyInfo *keyInfoFromExprList(Parse *pParse, ExprList *pList, int nExtra){ int nExpr; KeyInfo *pInfo; struct ExprList_item *pItem; sqlite3 *db = pParse->db; int i; nExpr = pList->nExpr; pInfo = sqlite3KeyInfoAlloc(db, nExpr+nExtra, 1); if( pInfo ){ assert( sqlite3KeyInfoIsWriteable(pInfo) ); for(i=0, pItem=pList->a; i<nExpr; i++, pItem++){ CollSeq *pColl; pColl = sqlite3ExprCollSeq(pParse, pItem->pExpr); if( !pColl ) pColl = db->pDfltColl; pInfo->aColl[i] = pColl; |
︙ | ︙ | |||
1013 1014 1015 1016 1017 1018 1019 | regRowid = sqlite3GetTempReg(pParse); } if( p->selFlags & SF_UseSorter ){ int regSortOut = ++pParse->nMem; int ptab2 = pParse->nTab++; sqlite3VdbeAddOp3(v, OP_OpenPseudo, ptab2, regSortOut, pOrderBy->nExpr+2); addr = 1 + sqlite3VdbeAddOp2(v, OP_SorterSort, iTab, addrBreak); | | | | 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 | regRowid = sqlite3GetTempReg(pParse); } if( p->selFlags & SF_UseSorter ){ int regSortOut = ++pParse->nMem; int ptab2 = pParse->nTab++; sqlite3VdbeAddOp3(v, OP_OpenPseudo, ptab2, regSortOut, pOrderBy->nExpr+2); addr = 1 + sqlite3VdbeAddOp2(v, OP_SorterSort, iTab, addrBreak); codeOffset(v, p->iOffset, addrContinue); sqlite3VdbeAddOp2(v, OP_SorterData, iTab, regSortOut); sqlite3VdbeAddOp3(v, OP_Column, ptab2, pOrderBy->nExpr+1, regRow); sqlite3VdbeChangeP5(v, OPFLAG_CLEARCACHE); }else{ addr = 1 + sqlite3VdbeAddOp2(v, OP_Sort, iTab, addrBreak); codeOffset(v, p->iOffset, addrContinue); sqlite3VdbeAddOp3(v, OP_Column, iTab, pOrderBy->nExpr+1, regRow); } switch( eDest ){ case SRT_Table: case SRT_EphemTab: { testcase( eDest==SRT_Table ); testcase( eDest==SRT_EphemTab ); |
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1198 1199 1200 1201 1202 1203 1204 | NameContext sNC; Expr *p = pS->pEList->a[iCol].pExpr; sNC.pSrcList = pS->pSrc; sNC.pNext = pNC; sNC.pParse = pNC->pParse; zType = columnType(&sNC, p,&zOrigDb,&zOrigTab,&zOrigCol, &estWidth); } | | | 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 | NameContext sNC; Expr *p = pS->pEList->a[iCol].pExpr; sNC.pSrcList = pS->pSrc; sNC.pNext = pNC; sNC.pParse = pNC->pParse; zType = columnType(&sNC, p,&zOrigDb,&zOrigTab,&zOrigCol, &estWidth); } }else if( pTab->pSchema ){ /* A real table */ assert( !pS ); if( iCol<0 ) iCol = pTab->iPKey; assert( iCol==-1 || (iCol>=0 && iCol<pTab->nCol) ); #ifdef SQLITE_ENABLE_COLUMN_METADATA if( iCol<0 ){ zType = "INTEGER"; |
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1359 1360 1361 1362 1363 1364 1365 | char *zName = 0; zName = sqlite3MPrintf(db, "%s.%s", pTab->zName, zCol); sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_DYNAMIC); }else{ sqlite3VdbeSetColName(v, i, COLNAME_NAME, zCol, SQLITE_TRANSIENT); } }else{ | > > | < | 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 | char *zName = 0; zName = sqlite3MPrintf(db, "%s.%s", pTab->zName, zCol); sqlite3VdbeSetColName(v, i, COLNAME_NAME, zName, SQLITE_DYNAMIC); }else{ sqlite3VdbeSetColName(v, i, COLNAME_NAME, zCol, SQLITE_TRANSIENT); } }else{ const char *z = pEList->a[i].zSpan; z = z==0 ? sqlite3MPrintf(db, "column%d", i+1) : sqlite3DbStrDup(db, z); sqlite3VdbeSetColName(v, i, COLNAME_NAME, z, SQLITE_DYNAMIC); } } generateColumnTypes(pParse, pTabList, pEList); } /* ** Given a an expression list (which is really the list of expressions |
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1582 1583 1584 1585 1586 1587 1588 | ** keywords. Or NULL if those keywords are omitted. iLimit and iOffset ** are the integer memory register numbers for counters used to compute ** the limit and offset. If there is no limit and/or offset, then ** iLimit and iOffset are negative. ** ** This routine changes the values of iLimit and iOffset only if ** a limit or offset is defined by pLimit and pOffset. iLimit and | | | > > > > > | 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 | ** keywords. Or NULL if those keywords are omitted. iLimit and iOffset ** are the integer memory register numbers for counters used to compute ** the limit and offset. If there is no limit and/or offset, then ** iLimit and iOffset are negative. ** ** This routine changes the values of iLimit and iOffset only if ** a limit or offset is defined by pLimit and pOffset. iLimit and ** iOffset should have been preset to appropriate default values (zero) ** prior to calling this routine. ** ** The iOffset register (if it exists) is initialized to the value ** of the OFFSET. The iLimit register is initialized to LIMIT. Register ** iOffset+1 is initialized to LIMIT+OFFSET. ** ** Only if pLimit!=0 or pOffset!=0 do the limit registers get ** redefined. The UNION ALL operator uses this property to force ** the reuse of the same limit and offset registers across multiple ** SELECT statements. */ static void computeLimitRegisters(Parse *pParse, Select *p, int iBreak){ Vdbe *v = 0; |
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1607 1608 1609 1610 1611 1612 1613 | ** no rows. */ sqlite3ExprCacheClear(pParse); assert( p->pOffset==0 || p->pLimit!=0 ); if( p->pLimit ){ p->iLimit = iLimit = ++pParse->nMem; v = sqlite3GetVdbe(pParse); | | | 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 | ** no rows. */ sqlite3ExprCacheClear(pParse); assert( p->pOffset==0 || p->pLimit!=0 ); if( p->pLimit ){ p->iLimit = iLimit = ++pParse->nMem; v = sqlite3GetVdbe(pParse); assert( v!=0 ); if( sqlite3ExprIsInteger(p->pLimit, &n) ){ sqlite3VdbeAddOp2(v, OP_Integer, n, iLimit); VdbeComment((v, "LIMIT counter")); if( n==0 ){ sqlite3VdbeAddOp2(v, OP_Goto, 0, iBreak); }else if( n>=0 && p->nSelectRow>(u64)n ){ p->nSelectRow = n; |
︙ | ︙ | |||
1664 1665 1666 1667 1668 1669 1670 | if( pRet==0 && iCol<p->pEList->nExpr ){ pRet = sqlite3ExprCollSeq(pParse, p->pEList->a[iCol].pExpr); } return pRet; } #endif /* SQLITE_OMIT_COMPOUND_SELECT */ | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | | 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 | if( pRet==0 && iCol<p->pEList->nExpr ){ pRet = sqlite3ExprCollSeq(pParse, p->pEList->a[iCol].pExpr); } return pRet; } #endif /* SQLITE_OMIT_COMPOUND_SELECT */ #ifndef SQLITE_OMIT_CTE /* ** This routine generates VDBE code to compute the content of a WITH RECURSIVE ** query of the form: ** ** <recursive-table> AS (<setup-query> UNION [ALL] <recursive-query>) ** \___________/ \_______________/ ** p->pPrior p ** ** ** There is exactly one reference to the recursive-table in the FROM clause ** of recursive-query, marked with the SrcList->a[].isRecursive flag. ** ** The setup-query runs once to generate an initial set of rows that go ** into a Queue table. Rows are extracted from the Queue table one by ** one. Each row extracted from Queue is output to pDest. Then the single ** extracted row (now in the iCurrent table) becomes the content of the ** recursive-table for a recursive-query run. The output of the recursive-query ** is added back into the Queue table. Then another row is extracted from Queue ** and the iteration continues until the Queue table is empty. ** ** If the compound query operator is UNION then no duplicate rows are ever ** inserted into the Queue table. The iDistinct table keeps a copy of all rows ** that have ever been inserted into Queue and causes duplicates to be ** discarded. If the operator is UNION ALL, then duplicates are allowed. ** ** If the query has an ORDER BY, then entries in the Queue table are kept in ** ORDER BY order and the first entry is extracted for each cycle. Without ** an ORDER BY, the Queue table is just a FIFO. ** ** If a LIMIT clause is provided, then the iteration stops after LIMIT rows ** have been output to pDest. A LIMIT of zero means to output no rows and a ** negative LIMIT means to output all rows. If there is also an OFFSET clause ** with a positive value, then the first OFFSET outputs are discarded rather ** than being sent to pDest. The LIMIT count does not begin until after OFFSET ** rows have been skipped. */ static void generateWithRecursiveQuery( Parse *pParse, /* Parsing context */ Select *p, /* The recursive SELECT to be coded */ SelectDest *pDest /* What to do with query results */ ){ SrcList *pSrc = p->pSrc; /* The FROM clause of the recursive query */ int nCol = p->pEList->nExpr; /* Number of columns in the recursive table */ Vdbe *v = pParse->pVdbe; /* The prepared statement under construction */ Select *pSetup = p->pPrior; /* The setup query */ int addrTop; /* Top of the loop */ int addrCont, addrBreak; /* CONTINUE and BREAK addresses */ int iCurrent = 0; /* The Current table */ int regCurrent; /* Register holding Current table */ int iQueue; /* The Queue table */ int iDistinct = 0; /* To ensure unique results if UNION */ int eDest = SRT_Table; /* How to write to Queue */ SelectDest destQueue; /* SelectDest targetting the Queue table */ int i; /* Loop counter */ int rc; /* Result code */ ExprList *pOrderBy; /* The ORDER BY clause */ Expr *pLimit, *pOffset; /* Saved LIMIT and OFFSET */ int regLimit, regOffset; /* Registers used by LIMIT and OFFSET */ /* Obtain authorization to do a recursive query */ if( sqlite3AuthCheck(pParse, SQLITE_RECURSIVE, 0, 0, 0) ) return; /* Process the LIMIT and OFFSET clauses, if they exist */ addrBreak = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, addrBreak); pLimit = p->pLimit; pOffset = p->pOffset; regLimit = p->iLimit; regOffset = p->iOffset; p->pLimit = p->pOffset = 0; p->iLimit = p->iOffset = 0; /* Locate the cursor number of the Current table */ for(i=0; ALWAYS(i<pSrc->nSrc); i++){ if( pSrc->a[i].isRecursive ){ iCurrent = pSrc->a[i].iCursor; break; } } /* Detach the ORDER BY clause from the compound SELECT */ pOrderBy = p->pOrderBy; p->pOrderBy = 0; /* Allocate cursors numbers for Queue and Distinct. The cursor number for ** the Distinct table must be exactly one greater than Queue in order ** for the SRT_DistTable and SRT_DistQueue destinations to work. */ iQueue = pParse->nTab++; if( p->op==TK_UNION ){ eDest = pOrderBy ? SRT_DistQueue : SRT_DistTable; iDistinct = pParse->nTab++; }else{ eDest = pOrderBy ? SRT_Queue : SRT_Table; } sqlite3SelectDestInit(&destQueue, eDest, iQueue); /* Allocate cursors for Current, Queue, and Distinct. */ regCurrent = ++pParse->nMem; sqlite3VdbeAddOp3(v, OP_OpenPseudo, iCurrent, regCurrent, nCol); if( pOrderBy ){ KeyInfo *pKeyInfo = keyInfoFromExprList(pParse, pOrderBy, 1); sqlite3VdbeAddOp4(v, OP_OpenEphemeral, iQueue, pOrderBy->nExpr+2, 0, (char*)pKeyInfo, P4_KEYINFO); destQueue.pOrderBy = pOrderBy; }else{ sqlite3VdbeAddOp2(v, OP_OpenEphemeral, iQueue, nCol); } VdbeComment((v, "Queue table")); if( iDistinct ){ p->addrOpenEphm[0] = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, iDistinct, 0); p->selFlags |= SF_UsesEphemeral; } /* Store the results of the setup-query in Queue. */ rc = sqlite3Select(pParse, pSetup, &destQueue); if( rc ) goto end_of_recursive_query; /* Find the next row in the Queue and output that row */ addrTop = sqlite3VdbeAddOp2(v, OP_Rewind, iQueue, addrBreak); /* Transfer the next row in Queue over to Current */ sqlite3VdbeAddOp1(v, OP_NullRow, iCurrent); /* To reset column cache */ if( pOrderBy ){ sqlite3VdbeAddOp3(v, OP_Column, iQueue, pOrderBy->nExpr+1, regCurrent); }else{ sqlite3VdbeAddOp2(v, OP_RowData, iQueue, regCurrent); } sqlite3VdbeAddOp1(v, OP_Delete, iQueue); /* Output the single row in Current */ addrCont = sqlite3VdbeMakeLabel(v); codeOffset(v, regOffset, addrCont); selectInnerLoop(pParse, p, p->pEList, iCurrent, 0, 0, pDest, addrCont, addrBreak); if( regLimit ) sqlite3VdbeAddOp3(v, OP_IfZero, regLimit, addrBreak, -1); sqlite3VdbeResolveLabel(v, addrCont); /* Execute the recursive SELECT taking the single row in Current as ** the value for the recursive-table. Store the results in the Queue. */ p->pPrior = 0; sqlite3Select(pParse, p, &destQueue); assert( p->pPrior==0 ); p->pPrior = pSetup; /* Keep running the loop until the Queue is empty */ sqlite3VdbeAddOp2(v, OP_Goto, 0, addrTop); sqlite3VdbeResolveLabel(v, addrBreak); end_of_recursive_query: p->pOrderBy = pOrderBy; p->pLimit = pLimit; p->pOffset = pOffset; return; } #endif /* Forward references */ static int multiSelectOrderBy( Parse *pParse, /* Parsing context */ Select *p, /* The right-most of SELECTs to be coded */ SelectDest *pDest /* What to do with query results */ ); |
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1716 1717 1718 1719 1720 1721 1722 | int rc = SQLITE_OK; /* Success code from a subroutine */ Select *pPrior; /* Another SELECT immediately to our left */ Vdbe *v; /* Generate code to this VDBE */ SelectDest dest; /* Alternative data destination */ Select *pDelete = 0; /* Chain of simple selects to delete */ sqlite3 *db; /* Database connection */ #ifndef SQLITE_OMIT_EXPLAIN | | | > | 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 | int rc = SQLITE_OK; /* Success code from a subroutine */ Select *pPrior; /* Another SELECT immediately to our left */ Vdbe *v; /* Generate code to this VDBE */ SelectDest dest; /* Alternative data destination */ Select *pDelete = 0; /* Chain of simple selects to delete */ sqlite3 *db; /* Database connection */ #ifndef SQLITE_OMIT_EXPLAIN int iSub1 = 0; /* EQP id of left-hand query */ int iSub2 = 0; /* EQP id of right-hand query */ #endif /* Make sure there is no ORDER BY or LIMIT clause on prior SELECTs. Only ** the last (right-most) SELECT in the series may have an ORDER BY or LIMIT. */ assert( p && p->pPrior ); /* Calling function guarantees this much */ assert( (p->selFlags & SF_Recursive)==0 || p->op==TK_ALL || p->op==TK_UNION ); db = pParse->db; pPrior = p->pPrior; assert( pPrior->pRightmost!=pPrior ); assert( pPrior->pRightmost==p->pRightmost ); dest = *pDest; if( pPrior->pOrderBy ){ sqlite3ErrorMsg(pParse,"ORDER BY clause should come after %s not before", |
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1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 | }else{ sqlite3ErrorMsg(pParse, "SELECTs to the left and right of %s" " do not have the same number of result columns", selectOpName(p->op)); } rc = 1; goto multi_select_end; } /* Compound SELECTs that have an ORDER BY clause are handled separately. */ if( p->pOrderBy ){ return multiSelectOrderBy(pParse, p, pDest); | > > > > > > | | 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 | }else{ sqlite3ErrorMsg(pParse, "SELECTs to the left and right of %s" " do not have the same number of result columns", selectOpName(p->op)); } rc = 1; goto multi_select_end; } #ifndef SQLITE_OMIT_CTE if( p->selFlags & SF_Recursive ){ generateWithRecursiveQuery(pParse, p, &dest); }else #endif /* Compound SELECTs that have an ORDER BY clause are handled separately. */ if( p->pOrderBy ){ return multiSelectOrderBy(pParse, p, pDest); }else /* Generate code for the left and right SELECT statements. */ switch( p->op ){ case TK_ALL: { int addr = 0; int nLimit; |
︙ | ︙ | |||
1908 1909 1910 1911 1912 1913 1914 | generateColumnNames(pParse, 0, pFirst->pEList); } iBreak = sqlite3VdbeMakeLabel(v); iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, unionTab, iBreak); iStart = sqlite3VdbeCurrentAddr(v); | | | 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 | generateColumnNames(pParse, 0, pFirst->pEList); } iBreak = sqlite3VdbeMakeLabel(v); iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, unionTab, iBreak); iStart = sqlite3VdbeCurrentAddr(v); selectInnerLoop(pParse, p, p->pEList, unionTab, 0, 0, &dest, iCont, iBreak); sqlite3VdbeResolveLabel(v, iCont); sqlite3VdbeAddOp2(v, OP_Next, unionTab, iStart); sqlite3VdbeResolveLabel(v, iBreak); sqlite3VdbeAddOp2(v, OP_Close, unionTab, 0); } break; |
︙ | ︙ | |||
1986 1987 1988 1989 1990 1991 1992 | iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, tab1, iBreak); r1 = sqlite3GetTempReg(pParse); iStart = sqlite3VdbeAddOp2(v, OP_RowKey, tab1, r1); sqlite3VdbeAddOp4Int(v, OP_NotFound, tab2, iCont, r1, 0); sqlite3ReleaseTempReg(pParse, r1); | | | 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 | iCont = sqlite3VdbeMakeLabel(v); computeLimitRegisters(pParse, p, iBreak); sqlite3VdbeAddOp2(v, OP_Rewind, tab1, iBreak); r1 = sqlite3GetTempReg(pParse); iStart = sqlite3VdbeAddOp2(v, OP_RowKey, tab1, r1); sqlite3VdbeAddOp4Int(v, OP_NotFound, tab2, iCont, r1, 0); sqlite3ReleaseTempReg(pParse, r1); selectInnerLoop(pParse, p, p->pEList, tab1, 0, 0, &dest, iCont, iBreak); sqlite3VdbeResolveLabel(v, iCont); sqlite3VdbeAddOp2(v, OP_Next, tab1, iStart); sqlite3VdbeResolveLabel(v, iBreak); sqlite3VdbeAddOp2(v, OP_Close, tab2, 0); sqlite3VdbeAddOp2(v, OP_Close, tab1, 0); break; |
︙ | ︙ | |||
2108 2109 2110 2111 2112 2113 2114 | sqlite3VdbeAddOp3(v, OP_Copy, pIn->iSdst, regPrev+1, pIn->nSdst-1); sqlite3VdbeAddOp2(v, OP_Integer, 1, regPrev); } if( pParse->db->mallocFailed ) return 0; /* Suppress the first OFFSET entries if there is an OFFSET clause */ | | | 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 | sqlite3VdbeAddOp3(v, OP_Copy, pIn->iSdst, regPrev+1, pIn->nSdst-1); sqlite3VdbeAddOp2(v, OP_Integer, 1, regPrev); } if( pParse->db->mallocFailed ) return 0; /* Suppress the first OFFSET entries if there is an OFFSET clause */ codeOffset(v, p->iOffset, iContinue); switch( pDest->eDest ){ /* Store the result as data using a unique key. */ case SRT_Table: case SRT_EphemTab: { int r1 = sqlite3GetTempReg(pParse); |
︙ | ︙ | |||
2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 | ** an ORDER BY clause. Ticket #3773. We could relax this constraint ** somewhat by saying that the terms of the ORDER BY clause must ** appear as unmodified result columns in the outer query. But we ** have other optimizations in mind to deal with that case. ** ** (21) The subquery does not use LIMIT or the outer query is not ** DISTINCT. (See ticket [752e1646fc]). ** ** In this routine, the "p" parameter is a pointer to the outer query. ** The subquery is p->pSrc->a[iFrom]. isAgg is true if the outer query ** uses aggregates and subqueryIsAgg is true if the subquery uses aggregates. ** ** If flattening is not attempted, this routine is a no-op and returns 0. ** If flattening is attempted this routine returns 1. | > > > > > > > > | 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 | ** an ORDER BY clause. Ticket #3773. We could relax this constraint ** somewhat by saying that the terms of the ORDER BY clause must ** appear as unmodified result columns in the outer query. But we ** have other optimizations in mind to deal with that case. ** ** (21) The subquery does not use LIMIT or the outer query is not ** DISTINCT. (See ticket [752e1646fc]). ** ** (22) The subquery is not a recursive CTE. ** ** (23) The parent is not a recursive CTE, or the sub-query is not a ** compound query. This restriction is because transforming the ** parent to a compound query confuses the code that handles ** recursive queries in multiSelect(). ** ** ** In this routine, the "p" parameter is a pointer to the outer query. ** The subquery is p->pSrc->a[iFrom]. isAgg is true if the outer query ** uses aggregates and subqueryIsAgg is true if the subquery uses aggregates. ** ** If flattening is not attempted, this routine is a no-op and returns 0. ** If flattening is attempted this routine returns 1. |
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2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 | return 0; /* Restriction (11) */ } if( isAgg && pSub->pOrderBy ) return 0; /* Restriction (16) */ if( pSub->pLimit && p->pWhere ) return 0; /* Restriction (19) */ if( pSub->pLimit && (p->selFlags & SF_Distinct)!=0 ){ return 0; /* Restriction (21) */ } /* OBSOLETE COMMENT 1: ** Restriction 3: If the subquery is a join, make sure the subquery is ** not used as the right operand of an outer join. Examples of why this ** is not allowed: ** ** t1 LEFT OUTER JOIN (t2 JOIN t3) | > > | 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 | return 0; /* Restriction (11) */ } if( isAgg && pSub->pOrderBy ) return 0; /* Restriction (16) */ if( pSub->pLimit && p->pWhere ) return 0; /* Restriction (19) */ if( pSub->pLimit && (p->selFlags & SF_Distinct)!=0 ){ return 0; /* Restriction (21) */ } if( pSub->selFlags & SF_Recursive ) return 0; /* Restriction (22) */ if( (p->selFlags & SF_Recursive) && pSub->pPrior ) return 0; /* (23) */ /* OBSOLETE COMMENT 1: ** Restriction 3: If the subquery is a join, make sure the subquery is ** not used as the right operand of an outer join. Examples of why this ** is not allowed: ** ** t1 LEFT OUTER JOIN (t2 JOIN t3) |
︙ | ︙ | |||
3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 | pNew->pOrderBy = 0; p->pPrior = 0; pNew->pLimit = 0; pNew->pOffset = 0; return WRC_Continue; } /* ** This routine is a Walker callback for "expanding" a SELECT statement. ** "Expanding" means to do the following: ** ** (1) Make sure VDBE cursor numbers have been assigned to every ** element of the FROM clause. ** | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 | pNew->pOrderBy = 0; p->pPrior = 0; pNew->pLimit = 0; pNew->pOffset = 0; return WRC_Continue; } #ifndef SQLITE_OMIT_CTE /* ** Argument pWith (which may be NULL) points to a linked list of nested ** WITH contexts, from inner to outermost. If the table identified by ** FROM clause element pItem is really a common-table-expression (CTE) ** then return a pointer to the CTE definition for that table. Otherwise ** return NULL. ** ** If a non-NULL value is returned, set *ppContext to point to the With ** object that the returned CTE belongs to. */ static struct Cte *searchWith( With *pWith, /* Current outermost WITH clause */ struct SrcList_item *pItem, /* FROM clause element to resolve */ With **ppContext /* OUT: WITH clause return value belongs to */ ){ const char *zName; if( pItem->zDatabase==0 && (zName = pItem->zName)!=0 ){ With *p; for(p=pWith; p; p=p->pOuter){ int i; for(i=0; i<p->nCte; i++){ if( sqlite3StrICmp(zName, p->a[i].zName)==0 ){ *ppContext = p; return &p->a[i]; } } } } return 0; } /* The code generator maintains a stack of active WITH clauses ** with the inner-most WITH clause being at the top of the stack. ** ** This routine pushes the WITH clause passed as the second argument ** onto the top of the stack. If argument bFree is true, then this ** WITH clause will never be popped from the stack. In this case it ** should be freed along with the Parse object. In other cases, when ** bFree==0, the With object will be freed along with the SELECT ** statement with which it is associated. */ void sqlite3WithPush(Parse *pParse, With *pWith, u8 bFree){ assert( bFree==0 || pParse->pWith==0 ); if( pWith ){ pWith->pOuter = pParse->pWith; pParse->pWith = pWith; pParse->bFreeWith = bFree; } } /* ** This function checks if argument pFrom refers to a CTE declared by ** a WITH clause on the stack currently maintained by the parser. And, ** if currently processing a CTE expression, if it is a recursive ** reference to the current CTE. ** ** If pFrom falls into either of the two categories above, pFrom->pTab ** and other fields are populated accordingly. The caller should check ** (pFrom->pTab!=0) to determine whether or not a successful match ** was found. ** ** Whether or not a match is found, SQLITE_OK is returned if no error ** occurs. If an error does occur, an error message is stored in the ** parser and some error code other than SQLITE_OK returned. */ static int withExpand( Walker *pWalker, struct SrcList_item *pFrom ){ Parse *pParse = pWalker->pParse; sqlite3 *db = pParse->db; struct Cte *pCte; /* Matched CTE (or NULL if no match) */ With *pWith; /* WITH clause that pCte belongs to */ assert( pFrom->pTab==0 ); pCte = searchWith(pParse->pWith, pFrom, &pWith); if( pCte ){ Table *pTab; ExprList *pEList; Select *pSel; Select *pLeft; /* Left-most SELECT statement */ int bMayRecursive; /* True if compound joined by UNION [ALL] */ With *pSavedWith; /* Initial value of pParse->pWith */ /* If pCte->zErr is non-NULL at this point, then this is an illegal ** recursive reference to CTE pCte. Leave an error in pParse and return ** early. If pCte->zErr is NULL, then this is not a recursive reference. ** In this case, proceed. */ if( pCte->zErr ){ sqlite3ErrorMsg(pParse, pCte->zErr, pCte->zName); return SQLITE_ERROR; } assert( pFrom->pTab==0 ); pFrom->pTab = pTab = sqlite3DbMallocZero(db, sizeof(Table)); if( pTab==0 ) return WRC_Abort; pTab->nRef = 1; pTab->zName = sqlite3DbStrDup(db, pCte->zName); pTab->iPKey = -1; pTab->nRowEst = 1048576; pTab->tabFlags |= TF_Ephemeral; pFrom->pSelect = sqlite3SelectDup(db, pCte->pSelect, 0); if( db->mallocFailed ) return SQLITE_NOMEM; assert( pFrom->pSelect ); /* Check if this is a recursive CTE. */ pSel = pFrom->pSelect; bMayRecursive = ( pSel->op==TK_ALL || pSel->op==TK_UNION ); if( bMayRecursive ){ int i; SrcList *pSrc = pFrom->pSelect->pSrc; for(i=0; i<pSrc->nSrc; i++){ struct SrcList_item *pItem = &pSrc->a[i]; if( pItem->zDatabase==0 && pItem->zName!=0 && 0==sqlite3StrICmp(pItem->zName, pCte->zName) ){ pItem->pTab = pTab; pItem->isRecursive = 1; pTab->nRef++; pSel->selFlags |= SF_Recursive; } } } /* Only one recursive reference is permitted. */ if( pTab->nRef>2 ){ sqlite3ErrorMsg( pParse, "multiple references to recursive table: %s", pCte->zName ); return SQLITE_ERROR; } assert( pTab->nRef==1 || ((pSel->selFlags&SF_Recursive) && pTab->nRef==2 )); pCte->zErr = "circular reference: %s"; pSavedWith = pParse->pWith; pParse->pWith = pWith; sqlite3WalkSelect(pWalker, bMayRecursive ? pSel->pPrior : pSel); for(pLeft=pSel; pLeft->pPrior; pLeft=pLeft->pPrior); pEList = pLeft->pEList; if( pCte->pCols ){ if( pEList->nExpr!=pCte->pCols->nExpr ){ sqlite3ErrorMsg(pParse, "table %s has %d values for %d columns", pCte->zName, pEList->nExpr, pCte->pCols->nExpr ); pParse->pWith = pSavedWith; return SQLITE_ERROR; } pEList = pCte->pCols; } selectColumnsFromExprList(pParse, pEList, &pTab->nCol, &pTab->aCol); if( bMayRecursive ){ if( pSel->selFlags & SF_Recursive ){ pCte->zErr = "multiple recursive references: %s"; }else{ pCte->zErr = "recursive reference in a subquery: %s"; } sqlite3WalkSelect(pWalker, pSel); } pCte->zErr = 0; pParse->pWith = pSavedWith; } return SQLITE_OK; } #endif #ifndef SQLITE_OMIT_CTE /* ** If the SELECT passed as the second argument has an associated WITH ** clause, pop it from the stack stored as part of the Parse object. ** ** This function is used as the xSelectCallback2() callback by ** sqlite3SelectExpand() when walking a SELECT tree to resolve table ** names and other FROM clause elements. */ static void selectPopWith(Walker *pWalker, Select *p){ Parse *pParse = pWalker->pParse; if( p->pWith ){ assert( pParse->pWith==p->pWith ); pParse->pWith = p->pWith->pOuter; } } #else #define selectPopWith 0 #endif /* ** This routine is a Walker callback for "expanding" a SELECT statement. ** "Expanding" means to do the following: ** ** (1) Make sure VDBE cursor numbers have been assigned to every ** element of the FROM clause. ** |
︙ | ︙ | |||
3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 | return WRC_Abort; } if( NEVER(p->pSrc==0) || (selFlags & SF_Expanded)!=0 ){ return WRC_Prune; } pTabList = p->pSrc; pEList = p->pEList; /* Make sure cursor numbers have been assigned to all entries in ** the FROM clause of the SELECT statement. */ sqlite3SrcListAssignCursors(pParse, pTabList); /* Look up every table named in the FROM clause of the select. If ** an entry of the FROM clause is a subquery instead of a table or view, ** then create a transient table structure to describe the subquery. */ for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){ Table *pTab; if( pFrom->pTab!=0 ){ /* This statement has already been prepared. There is no need ** to go further. */ assert( i==0 ); return WRC_Prune; } if( pFrom->zName==0 ){ #ifndef SQLITE_OMIT_SUBQUERY Select *pSel = pFrom->pSelect; /* A sub-query in the FROM clause of a SELECT */ assert( pSel!=0 ); assert( pFrom->pTab==0 ); sqlite3WalkSelect(pWalker, pSel); | > > > > > > > > > > | 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 | return WRC_Abort; } if( NEVER(p->pSrc==0) || (selFlags & SF_Expanded)!=0 ){ return WRC_Prune; } pTabList = p->pSrc; pEList = p->pEList; sqlite3WithPush(pParse, p->pWith, 0); /* Make sure cursor numbers have been assigned to all entries in ** the FROM clause of the SELECT statement. */ sqlite3SrcListAssignCursors(pParse, pTabList); /* Look up every table named in the FROM clause of the select. If ** an entry of the FROM clause is a subquery instead of a table or view, ** then create a transient table structure to describe the subquery. */ for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){ Table *pTab; assert( pFrom->isRecursive==0 || pFrom->pTab ); if( pFrom->isRecursive ) continue; if( pFrom->pTab!=0 ){ /* This statement has already been prepared. There is no need ** to go further. */ assert( i==0 ); #ifndef SQLITE_OMIT_CTE selectPopWith(pWalker, p); #endif return WRC_Prune; } #ifndef SQLITE_OMIT_CTE if( withExpand(pWalker, pFrom) ) return WRC_Abort; if( pFrom->pTab ) {} else #endif if( pFrom->zName==0 ){ #ifndef SQLITE_OMIT_SUBQUERY Select *pSel = pFrom->pSelect; /* A sub-query in the FROM clause of a SELECT */ assert( pSel!=0 ); assert( pFrom->pTab==0 ); sqlite3WalkSelect(pWalker, pSel); |
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3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 | w.xExprCallback = exprWalkNoop; w.pParse = pParse; if( pParse->hasCompound ){ w.xSelectCallback = convertCompoundSelectToSubquery; sqlite3WalkSelect(&w, pSelect); } w.xSelectCallback = selectExpander; sqlite3WalkSelect(&w, pSelect); } #ifndef SQLITE_OMIT_SUBQUERY /* ** This is a Walker.xSelectCallback callback for the sqlite3SelectTypeInfo() ** interface. ** ** For each FROM-clause subquery, add Column.zType and Column.zColl ** information to the Table structure that represents the result set ** of that subquery. ** ** The Table structure that represents the result set was constructed ** by selectExpander() but the type and collation information was omitted ** at that point because identifiers had not yet been resolved. This ** routine is called after identifier resolution. */ | > | | | | > < | < | 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 | w.xExprCallback = exprWalkNoop; w.pParse = pParse; if( pParse->hasCompound ){ w.xSelectCallback = convertCompoundSelectToSubquery; sqlite3WalkSelect(&w, pSelect); } w.xSelectCallback = selectExpander; w.xSelectCallback2 = selectPopWith; sqlite3WalkSelect(&w, pSelect); } #ifndef SQLITE_OMIT_SUBQUERY /* ** This is a Walker.xSelectCallback callback for the sqlite3SelectTypeInfo() ** interface. ** ** For each FROM-clause subquery, add Column.zType and Column.zColl ** information to the Table structure that represents the result set ** of that subquery. ** ** The Table structure that represents the result set was constructed ** by selectExpander() but the type and collation information was omitted ** at that point because identifiers had not yet been resolved. This ** routine is called after identifier resolution. */ static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){ Parse *pParse; int i; SrcList *pTabList; struct SrcList_item *pFrom; assert( p->selFlags & SF_Resolved ); if( (p->selFlags & SF_HasTypeInfo)==0 ){ p->selFlags |= SF_HasTypeInfo; pParse = pWalker->pParse; pTabList = p->pSrc; for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){ Table *pTab = pFrom->pTab; if( ALWAYS(pTab!=0) && (pTab->tabFlags & TF_Ephemeral)!=0 ){ /* A sub-query in the FROM clause of a SELECT */ Select *pSel = pFrom->pSelect; if( pSel ){ while( pSel->pPrior ) pSel = pSel->pPrior; selectAddColumnTypeAndCollation(pParse, pTab, pSel); } } } } } #endif /* ** This routine adds datatype and collating sequence information to ** the Table structures of all FROM-clause subqueries in a ** SELECT statement. ** ** Use this routine after name resolution. */ static void sqlite3SelectAddTypeInfo(Parse *pParse, Select *pSelect){ #ifndef SQLITE_OMIT_SUBQUERY Walker w; memset(&w, 0, sizeof(w)); w.xSelectCallback2 = selectAddSubqueryTypeInfo; w.xExprCallback = exprWalkNoop; w.pParse = pParse; sqlite3WalkSelect(&w, pSelect); #endif } /* ** This routine sets up a SELECT statement for processing. The |
︙ | ︙ | |||
3843 3844 3845 3846 3847 3848 3849 | Expr *pE = pFunc->pExpr; assert( !ExprHasProperty(pE, EP_xIsSelect) ); if( pE->x.pList==0 || pE->x.pList->nExpr!=1 ){ sqlite3ErrorMsg(pParse, "DISTINCT aggregates must have exactly one " "argument"); pFunc->iDistinct = -1; }else{ | | | 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 | Expr *pE = pFunc->pExpr; assert( !ExprHasProperty(pE, EP_xIsSelect) ); if( pE->x.pList==0 || pE->x.pList->nExpr!=1 ){ sqlite3ErrorMsg(pParse, "DISTINCT aggregates must have exactly one " "argument"); pFunc->iDistinct = -1; }else{ KeyInfo *pKeyInfo = keyInfoFromExprList(pParse, pE->x.pList, 0); sqlite3VdbeAddOp4(v, OP_OpenEphemeral, pFunc->iDistinct, 0, 0, (char*)pKeyInfo, P4_KEYINFO); } } } } |
︙ | ︙ | |||
3976 3977 3978 3979 3980 3981 3982 | #else # define explainSimpleCount(a,b,c) #endif /* ** Generate code for the SELECT statement given in the p argument. ** | < | < < < < < < < < < < < < < < < < < < < < < < | < < < < < < < < < < < < < < < < < < < | 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 | #else # define explainSimpleCount(a,b,c) #endif /* ** Generate code for the SELECT statement given in the p argument. ** ** The results are returned according to the SelectDest structure. ** See comments in sqliteInt.h for further information. ** ** This routine returns the number of errors. If any errors are ** encountered, then an appropriate error message is left in ** pParse->zErrMsg. ** ** This routine does NOT free the Select structure passed in. The ** calling function needs to do that. |
︙ | ︙ | |||
4294 4295 4296 4297 4298 4299 4300 | ** extracted in pre-sorted order. If that is the case, then the ** OP_OpenEphemeral instruction will be changed to an OP_Noop once ** we figure out that the sorting index is not needed. The addrSortIndex ** variable is used to facilitate that change. */ if( pOrderBy ){ KeyInfo *pKeyInfo; | | | 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 | ** extracted in pre-sorted order. If that is the case, then the ** OP_OpenEphemeral instruction will be changed to an OP_Noop once ** we figure out that the sorting index is not needed. The addrSortIndex ** variable is used to facilitate that change. */ if( pOrderBy ){ KeyInfo *pKeyInfo; pKeyInfo = keyInfoFromExprList(pParse, pOrderBy, 0); pOrderBy->iECursor = pParse->nTab++; p->addrOpenEphm[2] = addrSortIndex = sqlite3VdbeAddOp4(v, OP_OpenEphemeral, pOrderBy->iECursor, pOrderBy->nExpr+2, 0, (char*)pKeyInfo, P4_KEYINFO); }else{ addrSortIndex = -1; |
︙ | ︙ | |||
4326 4327 4328 4329 4330 4331 4332 | /* Open a virtual index to use for the distinct set. */ if( p->selFlags & SF_Distinct ){ sDistinct.tabTnct = pParse->nTab++; sDistinct.addrTnct = sqlite3VdbeAddOp4(v, OP_OpenEphemeral, sDistinct.tabTnct, 0, 0, | | | 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 | /* Open a virtual index to use for the distinct set. */ if( p->selFlags & SF_Distinct ){ sDistinct.tabTnct = pParse->nTab++; sDistinct.addrTnct = sqlite3VdbeAddOp4(v, OP_OpenEphemeral, sDistinct.tabTnct, 0, 0, (char*)keyInfoFromExprList(pParse, p->pEList, 0), P4_KEYINFO); sqlite3VdbeChangeP5(v, BTREE_UNORDERED); sDistinct.eTnctType = WHERE_DISTINCT_UNORDERED; }else{ sDistinct.eTnctType = WHERE_DISTINCT_NOOP; } |
︙ | ︙ | |||
4360 4361 4362 4363 4364 4365 4366 | */ if( addrSortIndex>=0 && pOrderBy==0 ){ sqlite3VdbeChangeToNoop(v, addrSortIndex); p->addrOpenEphm[2] = -1; } /* Use the standard inner loop. */ | | | 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 | */ if( addrSortIndex>=0 && pOrderBy==0 ){ sqlite3VdbeChangeToNoop(v, addrSortIndex); p->addrOpenEphm[2] = -1; } /* Use the standard inner loop. */ selectInnerLoop(pParse, p, pEList, -1, pOrderBy, &sDistinct, pDest, sqlite3WhereContinueLabel(pWInfo), sqlite3WhereBreakLabel(pWInfo)); /* End the database scan loop. */ sqlite3WhereEnd(pWInfo); }else{ |
︙ | ︙ | |||
4450 4451 4452 4453 4454 4455 4456 | /* If there is a GROUP BY clause we might need a sorting index to ** implement it. Allocate that sorting index now. If it turns out ** that we do not need it after all, the OP_SorterOpen instruction ** will be converted into a Noop. */ sAggInfo.sortingIdx = pParse->nTab++; | | | 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 | /* If there is a GROUP BY clause we might need a sorting index to ** implement it. Allocate that sorting index now. If it turns out ** that we do not need it after all, the OP_SorterOpen instruction ** will be converted into a Noop. */ sAggInfo.sortingIdx = pParse->nTab++; pKeyInfo = keyInfoFromExprList(pParse, pGroupBy, 0); addrSortingIdx = sqlite3VdbeAddOp4(v, OP_SorterOpen, sAggInfo.sortingIdx, sAggInfo.nSortingColumn, 0, (char*)pKeyInfo, P4_KEYINFO); /* Initialize memory locations used by GROUP BY aggregate processing */ iUseFlag = ++pParse->nMem; |
︙ | ︙ | |||
4632 4633 4634 4635 4636 4637 4638 | sqlite3VdbeResolveLabel(v, addrOutputRow); addrOutputRow = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp2(v, OP_IfPos, iUseFlag, addrOutputRow+2); VdbeComment((v, "Groupby result generator entry point")); sqlite3VdbeAddOp1(v, OP_Return, regOutputRow); finalizeAggFunctions(pParse, &sAggInfo); sqlite3ExprIfFalse(pParse, pHaving, addrOutputRow+1, SQLITE_JUMPIFNULL); | | | 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 | sqlite3VdbeResolveLabel(v, addrOutputRow); addrOutputRow = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp2(v, OP_IfPos, iUseFlag, addrOutputRow+2); VdbeComment((v, "Groupby result generator entry point")); sqlite3VdbeAddOp1(v, OP_Return, regOutputRow); finalizeAggFunctions(pParse, &sAggInfo); sqlite3ExprIfFalse(pParse, pHaving, addrOutputRow+1, SQLITE_JUMPIFNULL); selectInnerLoop(pParse, p, p->pEList, -1, pOrderBy, &sDistinct, pDest, addrOutputRow+1, addrSetAbort); sqlite3VdbeAddOp1(v, OP_Return, regOutputRow); VdbeComment((v, "end groupby result generator")); /* Generate a subroutine that will reset the group-by accumulator */ |
︙ | ︙ | |||
4775 4776 4777 4778 4779 4780 4781 | } sqlite3WhereEnd(pWInfo); finalizeAggFunctions(pParse, &sAggInfo); } pOrderBy = 0; sqlite3ExprIfFalse(pParse, pHaving, addrEnd, SQLITE_JUMPIFNULL); | | | 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 | } sqlite3WhereEnd(pWInfo); finalizeAggFunctions(pParse, &sAggInfo); } pOrderBy = 0; sqlite3ExprIfFalse(pParse, pHaving, addrEnd, SQLITE_JUMPIFNULL); selectInnerLoop(pParse, p, p->pEList, -1, 0, 0, pDest, addrEnd, addrEnd); sqlite3ExprListDelete(db, pDel); } sqlite3VdbeResolveLabel(v, addrEnd); } /* endif aggregate query */ |
︙ | ︙ |
Changes to src/shell.c.
︙ | ︙ | |||
593 594 595 596 597 598 599 600 601 602 603 604 605 606 | /* ** Output the given string with characters that are special to ** HTML escaped. */ static void output_html_string(FILE *out, const char *z){ int i; while( *z ){ for(i=0; z[i] && z[i]!='<' && z[i]!='&' && z[i]!='>' && z[i]!='\"' && z[i]!='\''; | > | 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 | /* ** Output the given string with characters that are special to ** HTML escaped. */ static void output_html_string(FILE *out, const char *z){ int i; if( z==0 ) z = ""; while( *z ){ for(i=0; z[i] && z[i]!='<' && z[i]!='&' && z[i]!='>' && z[i]!='\"' && z[i]!='\''; |
︙ | ︙ | |||
1172 1173 1174 1175 1176 1177 1178 | ** ** * For each "Next", "Prev", "VNext" or "VPrev" instruction, indent ** all opcodes that occur between the p2 jump destination and the opcode ** itself by 2 spaces. ** ** * For each "Goto", if the jump destination is earlier in the program ** and ends on one of: | | | | 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 | ** ** * For each "Next", "Prev", "VNext" or "VPrev" instruction, indent ** all opcodes that occur between the p2 jump destination and the opcode ** itself by 2 spaces. ** ** * For each "Goto", if the jump destination is earlier in the program ** and ends on one of: ** Yield SeekGt SeekLt RowSetRead Rewind ** then indent all opcodes between the earlier instruction ** and "Goto" by 2 spaces. */ static void explain_data_prepare(struct callback_data *p, sqlite3_stmt *pSql){ const char *zSql; /* The text of the SQL statement */ const char *z; /* Used to check if this is an EXPLAIN */ int *abYield = 0; /* True if op is an OP_Yield */ int nAlloc = 0; /* Allocated size of p->aiIndent[], abYield */ int iOp; /* Index of operation in p->aiIndent[] */ const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext", 0 }; const char *azYield[] = { "Yield", "SeekLt", "SeekGt", "RowSetRead", "Rewind", 0 }; const char *azGoto[] = { "Goto", 0 }; /* Try to figure out if this is really an EXPLAIN statement. If this ** cannot be verified, return early. */ zSql = sqlite3_sql(pSql); if( zSql==0 ) return; for(z=zSql; *z==' ' || *z=='\t' || *z=='\n' || *z=='\f' || *z=='\r'; z++); |
︙ | ︙ | |||
1221 1222 1223 1224 1225 1226 1227 | p->aiIndent[iOp] = 0; p->nIndent = iOp+1; if( str_in_array(zOp, azNext) ){ for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2; } if( str_in_array(zOp, azGoto) && p2op<p->nIndent && abYield[p2op] ){ | | | 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 | p->aiIndent[iOp] = 0; p->nIndent = iOp+1; if( str_in_array(zOp, azNext) ){ for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2; } if( str_in_array(zOp, azGoto) && p2op<p->nIndent && abYield[p2op] ){ for(i=p2op+1; i<iOp; i++) p->aiIndent[i] += 2; } } p->iIndent = 0; sqlite3_free(abYield); sqlite3_reset(pSql); } |
︙ | ︙ |
Changes to src/sqlite.h.in.
︙ | ︙ | |||
2391 2392 2393 2394 2395 2396 2397 2398 | ** SQLite contains a high-quality pseudo-random number generator (PRNG) used to ** select random [ROWID | ROWIDs] when inserting new records into a table that ** already uses the largest possible [ROWID]. The PRNG is also used for ** the build-in random() and randomblob() SQL functions. This interface allows ** applications to access the same PRNG for other purposes. ** ** ^A call to this routine stores N bytes of randomness into buffer P. ** | > | | | > | | 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 | ** SQLite contains a high-quality pseudo-random number generator (PRNG) used to ** select random [ROWID | ROWIDs] when inserting new records into a table that ** already uses the largest possible [ROWID]. The PRNG is also used for ** the build-in random() and randomblob() SQL functions. This interface allows ** applications to access the same PRNG for other purposes. ** ** ^A call to this routine stores N bytes of randomness into buffer P. ** ^If N is less than one, then P can be a NULL pointer. ** ** ^If this routine has not been previously called or if the previous ** call had N less than one, then the PRNG is seeded using randomness ** obtained from the xRandomness method of the default [sqlite3_vfs] object. ** ^If the previous call to this routine had an N of 1 or more then ** the pseudo-randomness is generated ** internally and without recourse to the [sqlite3_vfs] xRandomness ** method. */ void sqlite3_randomness(int N, void *P); /* ** CAPI3REF: Compile-Time Authorization Callbacks |
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2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 | #define SQLITE_REINDEX 27 /* Index Name NULL */ #define SQLITE_ANALYZE 28 /* Table Name NULL */ #define SQLITE_CREATE_VTABLE 29 /* Table Name Module Name */ #define SQLITE_DROP_VTABLE 30 /* Table Name Module Name */ #define SQLITE_FUNCTION 31 /* NULL Function Name */ #define SQLITE_SAVEPOINT 32 /* Operation Savepoint Name */ #define SQLITE_COPY 0 /* No longer used */ /* ** CAPI3REF: Tracing And Profiling Functions ** ** These routines register callback functions that can be used for ** tracing and profiling the execution of SQL statements. ** | > | 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 | #define SQLITE_REINDEX 27 /* Index Name NULL */ #define SQLITE_ANALYZE 28 /* Table Name NULL */ #define SQLITE_CREATE_VTABLE 29 /* Table Name Module Name */ #define SQLITE_DROP_VTABLE 30 /* Table Name Module Name */ #define SQLITE_FUNCTION 31 /* NULL Function Name */ #define SQLITE_SAVEPOINT 32 /* Operation Savepoint Name */ #define SQLITE_COPY 0 /* No longer used */ #define SQLITE_RECURSIVE 33 /* NULL NULL */ /* ** CAPI3REF: Tracing And Profiling Functions ** ** These routines register callback functions that can be used for ** tracing and profiling the execution of SQL statements. ** |
︙ | ︙ |
Changes to src/sqliteInt.h.
︙ | ︙ | |||
757 758 759 760 761 762 763 764 765 766 767 768 769 770 | typedef struct TriggerPrg TriggerPrg; typedef struct TriggerStep TriggerStep; typedef struct UnpackedRecord UnpackedRecord; typedef struct VTable VTable; typedef struct VtabCtx VtabCtx; typedef struct Walker Walker; typedef struct WhereInfo WhereInfo; /* ** Defer sourcing vdbe.h and btree.h until after the "u8" and ** "BusyHandler" typedefs. vdbe.h also requires a few of the opaque ** pointer types (i.e. FuncDef) defined above. */ #include "btree.h" | > | 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 | typedef struct TriggerPrg TriggerPrg; typedef struct TriggerStep TriggerStep; typedef struct UnpackedRecord UnpackedRecord; typedef struct VTable VTable; typedef struct VtabCtx VtabCtx; typedef struct Walker Walker; typedef struct WhereInfo WhereInfo; typedef struct With With; /* ** Defer sourcing vdbe.h and btree.h until after the "u8" and ** "BusyHandler" typedefs. vdbe.h also requires a few of the opaque ** pointer types (i.e. FuncDef) defined above. */ #include "btree.h" |
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1060 1061 1062 1063 1064 1065 1066 | ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ #define SQLITE_QueryFlattener 0x0001 /* Query flattening */ #define SQLITE_ColumnCache 0x0002 /* Column cache */ #define SQLITE_GroupByOrder 0x0004 /* GROUPBY cover of ORDERBY */ #define SQLITE_FactorOutConst 0x0008 /* Constant factoring */ | | | 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 | ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ #define SQLITE_QueryFlattener 0x0001 /* Query flattening */ #define SQLITE_ColumnCache 0x0002 /* Column cache */ #define SQLITE_GroupByOrder 0x0004 /* GROUPBY cover of ORDERBY */ #define SQLITE_FactorOutConst 0x0008 /* Constant factoring */ /* not used 0x0010 // Was: SQLITE_IdxRealAsInt */ #define SQLITE_DistinctOpt 0x0020 /* DISTINCT using indexes */ #define SQLITE_CoverIdxScan 0x0040 /* Covering index scans */ #define SQLITE_OrderByIdxJoin 0x0080 /* ORDER BY of joins via index */ #define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */ #define SQLITE_Transitive 0x0200 /* Transitive constraints */ #define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */ #define SQLITE_Stat3 0x0800 /* Use the SQLITE_STAT3 table */ |
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1432 1433 1434 1435 1436 1437 1438 | #endif Trigger *pTrigger; /* List of triggers stored in pSchema */ Schema *pSchema; /* Schema that contains this table */ Table *pNextZombie; /* Next on the Parse.pZombieTab list */ }; /* | | | 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 | #endif Trigger *pTrigger; /* List of triggers stored in pSchema */ Schema *pSchema; /* Schema that contains this table */ Table *pNextZombie; /* Next on the Parse.pZombieTab list */ }; /* ** Allowed values for Table.tabFlags. */ #define TF_Readonly 0x01 /* Read-only system table */ #define TF_Ephemeral 0x02 /* An ephemeral table */ #define TF_HasPrimaryKey 0x04 /* Table has a primary key */ #define TF_Autoincrement 0x08 /* Integer primary key is autoincrement */ #define TF_Virtual 0x10 /* Is a virtual table */ #define TF_WithoutRowid 0x20 /* No rowid used. PRIMARY KEY is the key */ |
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2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 | Select *pSelect; /* A SELECT statement used in place of a table name */ int addrFillSub; /* Address of subroutine to manifest a subquery */ int regReturn; /* Register holding return address of addrFillSub */ u8 jointype; /* Type of join between this able and the previous */ unsigned notIndexed :1; /* True if there is a NOT INDEXED clause */ unsigned isCorrelated :1; /* True if sub-query is correlated */ unsigned viaCoroutine :1; /* Implemented as a co-routine */ #ifndef SQLITE_OMIT_EXPLAIN u8 iSelectId; /* If pSelect!=0, the id of the sub-select in EQP */ #endif int iCursor; /* The VDBE cursor number used to access this table */ Expr *pOn; /* The ON clause of a join */ IdList *pUsing; /* The USING clause of a join */ Bitmask colUsed; /* Bit N (1<<N) set if column N of pTab is used */ | > | 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 | Select *pSelect; /* A SELECT statement used in place of a table name */ int addrFillSub; /* Address of subroutine to manifest a subquery */ int regReturn; /* Register holding return address of addrFillSub */ u8 jointype; /* Type of join between this able and the previous */ unsigned notIndexed :1; /* True if there is a NOT INDEXED clause */ unsigned isCorrelated :1; /* True if sub-query is correlated */ unsigned viaCoroutine :1; /* Implemented as a co-routine */ unsigned isRecursive :1; /* True for recursive reference in WITH */ #ifndef SQLITE_OMIT_EXPLAIN u8 iSelectId; /* If pSelect!=0, the id of the sub-select in EQP */ #endif int iCursor; /* The VDBE cursor number used to access this table */ Expr *pOn; /* The ON clause of a join */ IdList *pUsing; /* The USING clause of a join */ Bitmask colUsed; /* Bit N (1<<N) set if column N of pTab is used */ |
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2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 | Expr *pHaving; /* The HAVING clause */ ExprList *pOrderBy; /* The ORDER BY clause */ Select *pPrior; /* Prior select in a compound select statement */ Select *pNext; /* Next select to the left in a compound */ Select *pRightmost; /* Right-most select in a compound select statement */ Expr *pLimit; /* LIMIT expression. NULL means not used. */ Expr *pOffset; /* OFFSET expression. NULL means not used. */ }; /* ** Allowed values for Select.selFlags. The "SF" prefix stands for ** "Select Flag". */ #define SF_Distinct 0x0001 /* Output should be DISTINCT */ #define SF_Resolved 0x0002 /* Identifiers have been resolved */ #define SF_Aggregate 0x0004 /* Contains aggregate functions */ #define SF_UsesEphemeral 0x0008 /* Uses the OpenEphemeral opcode */ #define SF_Expanded 0x0010 /* sqlite3SelectExpand() called on this */ #define SF_HasTypeInfo 0x0020 /* FROM subqueries have Table metadata */ #define SF_UseSorter 0x0040 /* Sort using a sorter */ #define SF_Values 0x0080 /* Synthesized from VALUES clause */ #define SF_Materialize 0x0100 /* Force materialization of views */ #define SF_NestedFrom 0x0200 /* Part of a parenthesized FROM clause */ #define SF_MaybeConvert 0x0400 /* Need convertCompoundSelectToSubquery() */ /* | > > | | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > < | | > > > > | | | | | > | 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 | Expr *pHaving; /* The HAVING clause */ ExprList *pOrderBy; /* The ORDER BY clause */ Select *pPrior; /* Prior select in a compound select statement */ Select *pNext; /* Next select to the left in a compound */ Select *pRightmost; /* Right-most select in a compound select statement */ Expr *pLimit; /* LIMIT expression. NULL means not used. */ Expr *pOffset; /* OFFSET expression. NULL means not used. */ With *pWith; /* WITH clause attached to this select. Or NULL. */ }; /* ** Allowed values for Select.selFlags. The "SF" prefix stands for ** "Select Flag". */ #define SF_Distinct 0x0001 /* Output should be DISTINCT */ #define SF_Resolved 0x0002 /* Identifiers have been resolved */ #define SF_Aggregate 0x0004 /* Contains aggregate functions */ #define SF_UsesEphemeral 0x0008 /* Uses the OpenEphemeral opcode */ #define SF_Expanded 0x0010 /* sqlite3SelectExpand() called on this */ #define SF_HasTypeInfo 0x0020 /* FROM subqueries have Table metadata */ #define SF_UseSorter 0x0040 /* Sort using a sorter */ #define SF_Values 0x0080 /* Synthesized from VALUES clause */ #define SF_Materialize 0x0100 /* Force materialization of views */ #define SF_NestedFrom 0x0200 /* Part of a parenthesized FROM clause */ #define SF_MaybeConvert 0x0400 /* Need convertCompoundSelectToSubquery() */ #define SF_Recursive 0x0800 /* The recursive part of a recursive CTE */ /* ** The results of a SELECT can be distributed in several ways, as defined ** by one of the following macros. The "SRT" prefix means "SELECT Result ** Type". ** ** SRT_Union Store results as a key in a temporary index ** identified by pDest->iSDParm. ** ** SRT_Except Remove results from the temporary index pDest->iSDParm. ** ** SRT_Exists Store a 1 in memory cell pDest->iSDParm if the result ** set is not empty. ** ** SRT_Discard Throw the results away. This is used by SELECT ** statements within triggers whose only purpose is ** the side-effects of functions. ** ** All of the above are free to ignore their ORDER BY clause. Those that ** follow must honor the ORDER BY clause. ** ** SRT_Output Generate a row of output (using the OP_ResultRow ** opcode) for each row in the result set. ** ** SRT_Mem Only valid if the result is a single column. ** Store the first column of the first result row ** in register pDest->iSDParm then abandon the rest ** of the query. This destination implies "LIMIT 1". ** ** SRT_Set The result must be a single column. Store each ** row of result as the key in table pDest->iSDParm. ** Apply the affinity pDest->affSdst before storing ** results. Used to implement "IN (SELECT ...)". ** ** SRT_EphemTab Create an temporary table pDest->iSDParm and store ** the result there. The cursor is left open after ** returning. This is like SRT_Table except that ** this destination uses OP_OpenEphemeral to create ** the table first. ** ** SRT_Coroutine Generate a co-routine that returns a new row of ** results each time it is invoked. The entry point ** of the co-routine is stored in register pDest->iSDParm ** and the result row is stored in pDest->nDest registers ** starting with pDest->iSdst. ** ** SRT_Table Store results in temporary table pDest->iSDParm. ** This is like SRT_EphemTab except that the table ** is assumed to already be open. ** ** SRT_DistTable Store results in a temporary table pDest->iSDParm. ** But also use temporary table pDest->iSDParm+1 as ** a record of all prior results and ignore any duplicate ** rows. Name means: "Distinct Table". ** ** SRT_Queue Store results in priority queue pDest->iSDParm (really ** an index). Append a sequence number so that all entries ** are distinct. ** ** SRT_DistQueue Store results in priority queue pDest->iSDParm only if ** the same record has never been stored before. The ** index at pDest->iSDParm+1 hold all prior stores. */ #define SRT_Union 1 /* Store result as keys in an index */ #define SRT_Except 2 /* Remove result from a UNION index */ #define SRT_Exists 3 /* Store 1 if the result is not empty */ #define SRT_Discard 4 /* Do not save the results anywhere */ /* The ORDER BY clause is ignored for all of the above */ #define IgnorableOrderby(X) ((X->eDest)<=SRT_Discard) #define SRT_Output 5 /* Output each row of result */ #define SRT_Mem 6 /* Store result in a memory cell */ #define SRT_Set 7 /* Store results as keys in an index */ #define SRT_EphemTab 8 /* Create transient tab and store like SRT_Table */ #define SRT_Coroutine 9 /* Generate a single row of result */ #define SRT_Table 10 /* Store result as data with an automatic rowid */ #define SRT_DistTable 11 /* Like SRT_Table, but unique results only */ #define SRT_Queue 12 /* Store result in an queue */ #define SRT_DistQueue 13 /* Like SRT_Queue, but unique results only */ /* ** An instance of this object describes where to put of the results of ** a SELECT statement. */ struct SelectDest { u8 eDest; /* How to dispose of the results. On of SRT_* above. */ char affSdst; /* Affinity used when eDest==SRT_Set */ int iSDParm; /* A parameter used by the eDest disposal method */ int iSdst; /* Base register where results are written */ int nSdst; /* Number of registers allocated */ ExprList *pOrderBy; /* Key columns for SRT_Queue and SRT_DistQueue */ }; /* ** During code generation of statements that do inserts into AUTOINCREMENT ** tables, the following information is attached to the Table.u.autoInc.p ** pointer of each autoincrement table to record some side information that ** the code generator needs. We have to keep per-table autoincrement |
︙ | ︙ | |||
2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 | int nTab; /* Number of previously allocated VDBE cursors */ int nMem; /* Number of memory cells used so far */ int nSet; /* Number of sets used so far */ int nOnce; /* Number of OP_Once instructions so far */ int nOpAlloc; /* Number of slots allocated for Vdbe.aOp[] */ int nLabel; /* Number of labels used */ int *aLabel; /* Space to hold the labels */ int ckBase; /* Base register of data during check constraints */ int iPartIdxTab; /* Table corresponding to a partial index */ int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */ int iCacheCnt; /* Counter used to generate aColCache[].lru values */ struct yColCache { int iTable; /* Table cursor number */ int iColumn; /* Table column number */ | > | 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 | int nTab; /* Number of previously allocated VDBE cursors */ int nMem; /* Number of memory cells used so far */ int nSet; /* Number of sets used so far */ int nOnce; /* Number of OP_Once instructions so far */ int nOpAlloc; /* Number of slots allocated for Vdbe.aOp[] */ int nLabel; /* Number of labels used */ int *aLabel; /* Space to hold the labels */ int iFixedOp; /* Never back out opcodes iFixedOp-1 or earlier */ int ckBase; /* Base register of data during check constraints */ int iPartIdxTab; /* Table corresponding to a partial index */ int iCacheLevel; /* ColCache valid when aColCache[].iLevel<=iCacheLevel */ int iCacheCnt; /* Counter used to generate aColCache[].lru values */ struct yColCache { int iTable; /* Table cursor number */ int iColumn; /* Table column number */ |
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2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 | Token sLastToken; /* The last token parsed */ #ifndef SQLITE_OMIT_VIRTUALTABLE Token sArg; /* Complete text of a module argument */ Table **apVtabLock; /* Pointer to virtual tables needing locking */ #endif Table *pZombieTab; /* List of Table objects to delete after code gen */ TriggerPrg *pTriggerPrg; /* Linked list of coded triggers */ }; /* ** Return true if currently inside an sqlite3_declare_vtab() call. */ #ifdef SQLITE_OMIT_VIRTUALTABLE #define IN_DECLARE_VTAB 0 | > > | 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 | Token sLastToken; /* The last token parsed */ #ifndef SQLITE_OMIT_VIRTUALTABLE Token sArg; /* Complete text of a module argument */ Table **apVtabLock; /* Pointer to virtual tables needing locking */ #endif Table *pZombieTab; /* List of Table objects to delete after code gen */ TriggerPrg *pTriggerPrg; /* Linked list of coded triggers */ With *pWith; /* Current WITH clause, or NULL */ u8 bFreeWith; /* True if pWith should be freed with parser */ }; /* ** Return true if currently inside an sqlite3_declare_vtab() call. */ #ifdef SQLITE_OMIT_VIRTUALTABLE #define IN_DECLARE_VTAB 0 |
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2490 2491 2492 2493 2494 2495 2496 | struct TriggerStep { u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT */ u8 orconf; /* OE_Rollback etc. */ Trigger *pTrig; /* The trigger that this step is a part of */ Select *pSelect; /* SELECT statment or RHS of INSERT INTO .. SELECT ... */ Token target; /* Target table for DELETE, UPDATE, INSERT */ Expr *pWhere; /* The WHERE clause for DELETE or UPDATE steps */ | | | 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 | struct TriggerStep { u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT */ u8 orconf; /* OE_Rollback etc. */ Trigger *pTrig; /* The trigger that this step is a part of */ Select *pSelect; /* SELECT statment or RHS of INSERT INTO .. SELECT ... */ Token target; /* Target table for DELETE, UPDATE, INSERT */ Expr *pWhere; /* The WHERE clause for DELETE or UPDATE steps */ ExprList *pExprList; /* SET clause for UPDATE. */ IdList *pIdList; /* Column names for INSERT */ TriggerStep *pNext; /* Next in the link-list */ TriggerStep *pLast; /* Last element in link-list. Valid for 1st elem only */ }; /* ** The following structure contains information used by the sqliteFix... |
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2612 2613 2614 2615 2616 2617 2618 2619 2620 | /* ** Context pointer passed down through the tree-walk. */ struct Walker { int (*xExprCallback)(Walker*, Expr*); /* Callback for expressions */ int (*xSelectCallback)(Walker*,Select*); /* Callback for SELECTs */ Parse *pParse; /* Parser context. */ int walkerDepth; /* Number of subqueries */ | > < | 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 | /* ** Context pointer passed down through the tree-walk. */ struct Walker { int (*xExprCallback)(Walker*, Expr*); /* Callback for expressions */ int (*xSelectCallback)(Walker*,Select*); /* Callback for SELECTs */ void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */ Parse *pParse; /* Parser context. */ int walkerDepth; /* Number of subqueries */ union { /* Extra data for callback */ NameContext *pNC; /* Naming context */ int i; /* Integer value */ SrcList *pSrcList; /* FROM clause */ struct SrcCount *pSrcCount; /* Counting column references */ } u; }; |
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2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 | /* ** Return code from the parse-tree walking primitives and their ** callbacks. */ #define WRC_Continue 0 /* Continue down into children */ #define WRC_Prune 1 /* Omit children but continue walking siblings */ #define WRC_Abort 2 /* Abandon the tree walk */ /* ** Assuming zIn points to the first byte of a UTF-8 character, ** advance zIn to point to the first byte of the next UTF-8 character. */ #define SQLITE_SKIP_UTF8(zIn) { \ if( (*(zIn++))>=0xc0 ){ \ | > > > > > > > > > > > > > > > | 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 | /* ** Return code from the parse-tree walking primitives and their ** callbacks. */ #define WRC_Continue 0 /* Continue down into children */ #define WRC_Prune 1 /* Omit children but continue walking siblings */ #define WRC_Abort 2 /* Abandon the tree walk */ /* ** An instance of this structure represents a set of one or more CTEs ** (common table expressions) created by a single WITH clause. */ struct With { int nCte; /* Number of CTEs in the WITH clause */ With *pOuter; /* Containing WITH clause, or NULL */ struct Cte { /* For each CTE in the WITH clause.... */ char *zName; /* Name of this CTE */ ExprList *pCols; /* List of explicit column names, or NULL */ Select *pSelect; /* The definition of this CTE */ const char *zErr; /* Error message for circular references */ } a[1]; }; /* ** Assuming zIn points to the first byte of a UTF-8 character, ** advance zIn to point to the first byte of the next UTF-8 character. */ #define SQLITE_SKIP_UTF8(zIn) { \ if( (*(zIn++))>=0xc0 ){ \ |
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2905 2906 2907 2908 2909 2910 2911 | void sqlite3AutoincrementBegin(Parse *pParse); void sqlite3AutoincrementEnd(Parse *pParse); #else # define sqlite3AutoincrementBegin(X) # define sqlite3AutoincrementEnd(X) #endif int sqlite3CodeCoroutine(Parse*, Select*, SelectDest*); | | | 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 | void sqlite3AutoincrementBegin(Parse *pParse); void sqlite3AutoincrementEnd(Parse *pParse); #else # define sqlite3AutoincrementBegin(X) # define sqlite3AutoincrementEnd(X) #endif int sqlite3CodeCoroutine(Parse*, Select*, SelectDest*); void sqlite3Insert(Parse*, SrcList*, Select*, IdList*, int); void *sqlite3ArrayAllocate(sqlite3*,void*,int,int*,int*); IdList *sqlite3IdListAppend(sqlite3*, IdList*, Token*); int sqlite3IdListIndex(IdList*,const char*); SrcList *sqlite3SrcListEnlarge(sqlite3*, SrcList*, int, int); SrcList *sqlite3SrcListAppend(sqlite3*, SrcList*, Token*, Token*); SrcList *sqlite3SrcListAppendFromTerm(Parse*, SrcList*, Token*, Token*, Token*, Select*, Expr*, IdList*); |
︙ | ︙ | |||
2980 2981 2982 2983 2984 2985 2986 | int sqlite3ExprImpliesExpr(Expr*, Expr*, int); void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); int sqlite3FunctionUsesThisSrc(Expr*, SrcList*); Vdbe *sqlite3GetVdbe(Parse*); void sqlite3PrngSaveState(void); void sqlite3PrngRestoreState(void); | < | | 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 | int sqlite3ExprImpliesExpr(Expr*, Expr*, int); void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*); void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*); int sqlite3FunctionUsesThisSrc(Expr*, SrcList*); Vdbe *sqlite3GetVdbe(Parse*); void sqlite3PrngSaveState(void); void sqlite3PrngRestoreState(void); void sqlite3RollbackAll(sqlite3*,int); void sqlite3CodeVerifySchema(Parse*, int); void sqlite3CodeVerifyNamedSchema(Parse*, const char *zDb); void sqlite3BeginTransaction(Parse*, int); void sqlite3CommitTransaction(Parse*); void sqlite3RollbackTransaction(Parse*); void sqlite3Savepoint(Parse*, int, Token*); void sqlite3CloseSavepoints(sqlite3 *); void sqlite3LeaveMutexAndCloseZombie(sqlite3*); int sqlite3ExprIsConstant(Expr*); int sqlite3ExprIsConstantNotJoin(Expr*); int sqlite3ExprIsConstantOrFunction(Expr*); int sqlite3ExprIsInteger(Expr*, int*); int sqlite3ExprCanBeNull(const Expr*); void sqlite3ExprCodeIsNullJump(Vdbe*, const Expr*, int, int); int sqlite3ExprNeedsNoAffinityChange(const Expr*, char); int sqlite3IsRowid(const char*); void sqlite3GenerateRowDelete(Parse*,Table*,Trigger*,int,int,int,i16,u8,u8,u8); void sqlite3GenerateRowIndexDelete(Parse*, Table*, int, int, int*); int sqlite3GenerateIndexKey(Parse*, Index*, int, int, int, int*,Index*,int); void sqlite3GenerateConstraintChecks(Parse*,Table*,int*,int,int,int,int, u8,u8,int,int*); void sqlite3CompleteInsertion(Parse*,Table*,int,int,int,int*,int,int,int); int sqlite3OpenTableAndIndices(Parse*, Table*, int, int, u8*, int*, int*); void sqlite3BeginWriteOperation(Parse*, int, int); void sqlite3MultiWrite(Parse*); void sqlite3MayAbort(Parse*); |
︙ | ︙ | |||
3044 3045 3046 3047 3048 3049 3050 | void sqlite3CodeRowTrigger(Parse*, Trigger *, int, ExprList*, int, Table *, int, int, int); void sqlite3CodeRowTriggerDirect(Parse *, Trigger *, Table *, int, int, int); void sqliteViewTriggers(Parse*, Table*, Expr*, int, ExprList*); void sqlite3DeleteTriggerStep(sqlite3*, TriggerStep*); TriggerStep *sqlite3TriggerSelectStep(sqlite3*,Select*); TriggerStep *sqlite3TriggerInsertStep(sqlite3*,Token*, IdList*, | | | 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 | void sqlite3CodeRowTrigger(Parse*, Trigger *, int, ExprList*, int, Table *, int, int, int); void sqlite3CodeRowTriggerDirect(Parse *, Trigger *, Table *, int, int, int); void sqliteViewTriggers(Parse*, Table*, Expr*, int, ExprList*); void sqlite3DeleteTriggerStep(sqlite3*, TriggerStep*); TriggerStep *sqlite3TriggerSelectStep(sqlite3*,Select*); TriggerStep *sqlite3TriggerInsertStep(sqlite3*,Token*, IdList*, Select*,u8); TriggerStep *sqlite3TriggerUpdateStep(sqlite3*,Token*,ExprList*, Expr*, u8); TriggerStep *sqlite3TriggerDeleteStep(sqlite3*,Token*, Expr*); void sqlite3DeleteTrigger(sqlite3*, Trigger*); void sqlite3UnlinkAndDeleteTrigger(sqlite3*,int,const char*); u32 sqlite3TriggerColmask(Parse*,Trigger*,ExprList*,int,int,Table*,int); # define sqlite3ParseToplevel(p) ((p)->pToplevel ? (p)->pToplevel : (p)) #else |
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3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 | CollSeq *sqlite3BinaryCompareCollSeq(Parse *, Expr *, Expr *); int sqlite3TempInMemory(const sqlite3*); const char *sqlite3JournalModename(int); #ifndef SQLITE_OMIT_WAL int sqlite3Checkpoint(sqlite3*, int, int, int*, int*); int sqlite3WalDefaultHook(void*,sqlite3*,const char*,int); #endif /* Declarations for functions in fkey.c. All of these are replaced by ** no-op macros if OMIT_FOREIGN_KEY is defined. In this case no foreign ** key functionality is available. If OMIT_TRIGGER is defined but ** OMIT_FOREIGN_KEY is not, only some of the functions are no-oped. In ** this case foreign keys are parsed, but no other functionality is ** provided (enforcement of FK constraints requires the triggers sub-system). | > > > > > > > > | 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 | CollSeq *sqlite3BinaryCompareCollSeq(Parse *, Expr *, Expr *); int sqlite3TempInMemory(const sqlite3*); const char *sqlite3JournalModename(int); #ifndef SQLITE_OMIT_WAL int sqlite3Checkpoint(sqlite3*, int, int, int*, int*); int sqlite3WalDefaultHook(void*,sqlite3*,const char*,int); #endif #ifndef SQLITE_OMIT_CTE With *sqlite3WithAdd(Parse*,With*,Token*,ExprList*,Select*); void sqlite3WithDelete(sqlite3*,With*); void sqlite3WithPush(Parse*, With*, u8); #else #define sqlite3WithPush(x,y,z) #define sqlite3WithDelete(x,y) #endif /* Declarations for functions in fkey.c. All of these are replaced by ** no-op macros if OMIT_FOREIGN_KEY is defined. In this case no foreign ** key functionality is available. If OMIT_TRIGGER is defined but ** OMIT_FOREIGN_KEY is not, only some of the functions are no-oped. In ** this case foreign keys are parsed, but no other functionality is ** provided (enforcement of FK constraints requires the triggers sub-system). |
︙ | ︙ |
Changes to src/tclsqlite.c.
︙ | ︙ | |||
954 955 956 957 958 959 960 961 962 963 964 965 966 967 | case SQLITE_ALTER_TABLE : zCode="SQLITE_ALTER_TABLE"; break; case SQLITE_REINDEX : zCode="SQLITE_REINDEX"; break; case SQLITE_ANALYZE : zCode="SQLITE_ANALYZE"; break; case SQLITE_CREATE_VTABLE : zCode="SQLITE_CREATE_VTABLE"; break; case SQLITE_DROP_VTABLE : zCode="SQLITE_DROP_VTABLE"; break; case SQLITE_FUNCTION : zCode="SQLITE_FUNCTION"; break; case SQLITE_SAVEPOINT : zCode="SQLITE_SAVEPOINT"; break; default : zCode="????"; break; } Tcl_DStringInit(&str); Tcl_DStringAppend(&str, pDb->zAuth, -1); Tcl_DStringAppendElement(&str, zCode); Tcl_DStringAppendElement(&str, zArg1 ? zArg1 : ""); Tcl_DStringAppendElement(&str, zArg2 ? zArg2 : ""); | > | 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 | case SQLITE_ALTER_TABLE : zCode="SQLITE_ALTER_TABLE"; break; case SQLITE_REINDEX : zCode="SQLITE_REINDEX"; break; case SQLITE_ANALYZE : zCode="SQLITE_ANALYZE"; break; case SQLITE_CREATE_VTABLE : zCode="SQLITE_CREATE_VTABLE"; break; case SQLITE_DROP_VTABLE : zCode="SQLITE_DROP_VTABLE"; break; case SQLITE_FUNCTION : zCode="SQLITE_FUNCTION"; break; case SQLITE_SAVEPOINT : zCode="SQLITE_SAVEPOINT"; break; case SQLITE_RECURSIVE : zCode="SQLITE_RECURSIVE"; break; default : zCode="????"; break; } Tcl_DStringInit(&str); Tcl_DStringAppend(&str, pDb->zAuth, -1); Tcl_DStringAppendElement(&str, zCode); Tcl_DStringAppendElement(&str, zArg1 ? zArg1 : ""); Tcl_DStringAppendElement(&str, zArg2 ? zArg2 : ""); |
︙ | ︙ |
Changes to src/test1.c.
︙ | ︙ | |||
238 239 240 241 242 243 244 | } sqlite3IoTrace = io_trace_callback; } #endif return TCL_OK; } | > > > > > > > > > > > > > > > > > > > > | > | 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 | } sqlite3IoTrace = io_trace_callback; } #endif return TCL_OK; } /* ** Usage: clang_sanitize_address ** ** Returns true if the program was compiled using clang with the ** -fsanitize=address switch on the command line. False otherwise. */ static int clang_sanitize_address( void *NotUsed, Tcl_Interp *interp, /* The TCL interpreter that invoked this command */ int argc, /* Number of arguments */ char **argv /* Text of each argument */ ){ int res = 0; #if defined(__has_feature) # if __has_feature(address_sanitizer) res = 1; # endif #endif Tcl_SetObjResult(interp, Tcl_NewIntObj(res)); return TCL_OK; } /* ** Usage: sqlite3_exec_printf DB FORMAT STRING ** ** Invoke the sqlite3_exec_printf() interface using the open database ** DB. The SQL is the string FORMAT. The format string should contain ** one %s or %q. STRING is the value inserted into %s or %q. */ |
︙ | ︙ | |||
6156 6157 6158 6159 6160 6161 6162 | } aOpt[] = { { "all", SQLITE_AllOpts }, { "none", 0 }, { "query-flattener", SQLITE_QueryFlattener }, { "column-cache", SQLITE_ColumnCache }, { "groupby-order", SQLITE_GroupByOrder }, { "factor-constants", SQLITE_FactorOutConst }, | < | 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 | } aOpt[] = { { "all", SQLITE_AllOpts }, { "none", 0 }, { "query-flattener", SQLITE_QueryFlattener }, { "column-cache", SQLITE_ColumnCache }, { "groupby-order", SQLITE_GroupByOrder }, { "factor-constants", SQLITE_FactorOutConst }, { "distinct-opt", SQLITE_DistinctOpt }, { "cover-idx-scan", SQLITE_CoverIdxScan }, { "order-by-idx-join", SQLITE_OrderByIdxJoin }, { "transitive", SQLITE_Transitive }, { "subquery-coroutine", SQLITE_SubqCoroutine }, { "omit-noop-join", SQLITE_OmitNoopJoin }, { "stat3", SQLITE_Stat3 }, |
︙ | ︙ | |||
6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 | { "sqlite_delete_function", (Tcl_CmdProc*)delete_function }, { "sqlite_delete_collation", (Tcl_CmdProc*)delete_collation }, { "sqlite3_get_autocommit", (Tcl_CmdProc*)get_autocommit }, { "sqlite3_stack_used", (Tcl_CmdProc*)test_stack_used }, { "sqlite3_busy_timeout", (Tcl_CmdProc*)test_busy_timeout }, { "printf", (Tcl_CmdProc*)test_printf }, { "sqlite3IoTrace", (Tcl_CmdProc*)test_io_trace }, }; static struct { char *zName; Tcl_ObjCmdProc *xProc; void *clientData; } aObjCmd[] = { { "sqlite3_connection_pointer", get_sqlite_pointer, 0 }, | > | 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 | { "sqlite_delete_function", (Tcl_CmdProc*)delete_function }, { "sqlite_delete_collation", (Tcl_CmdProc*)delete_collation }, { "sqlite3_get_autocommit", (Tcl_CmdProc*)get_autocommit }, { "sqlite3_stack_used", (Tcl_CmdProc*)test_stack_used }, { "sqlite3_busy_timeout", (Tcl_CmdProc*)test_busy_timeout }, { "printf", (Tcl_CmdProc*)test_printf }, { "sqlite3IoTrace", (Tcl_CmdProc*)test_io_trace }, { "clang_sanitize_address", (Tcl_CmdProc*)clang_sanitize_address }, }; static struct { char *zName; Tcl_ObjCmdProc *xProc; void *clientData; } aObjCmd[] = { { "sqlite3_connection_pointer", get_sqlite_pointer, 0 }, |
︙ | ︙ |
Changes to src/test_config.c.
︙ | ︙ | |||
226 227 228 229 230 231 232 233 234 235 236 237 238 239 | #endif #ifdef SQLITE_OMIT_CHECK Tcl_SetVar2(interp, "sqlite_options", "check", "0", TCL_GLOBAL_ONLY); #else Tcl_SetVar2(interp, "sqlite_options", "check", "1", TCL_GLOBAL_ONLY); #endif #ifdef SQLITE_ENABLE_COLUMN_METADATA Tcl_SetVar2(interp, "sqlite_options", "columnmetadata", "1", TCL_GLOBAL_ONLY); #else Tcl_SetVar2(interp, "sqlite_options", "columnmetadata", "0", TCL_GLOBAL_ONLY); #endif | > > > > > > | 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | #endif #ifdef SQLITE_OMIT_CHECK Tcl_SetVar2(interp, "sqlite_options", "check", "0", TCL_GLOBAL_ONLY); #else Tcl_SetVar2(interp, "sqlite_options", "check", "1", TCL_GLOBAL_ONLY); #endif #ifdef SQLITE_OMIT_CTE Tcl_SetVar2(interp, "sqlite_options", "cte", "0", TCL_GLOBAL_ONLY); #else Tcl_SetVar2(interp, "sqlite_options", "cte", "1", TCL_GLOBAL_ONLY); #endif #ifdef SQLITE_ENABLE_COLUMN_METADATA Tcl_SetVar2(interp, "sqlite_options", "columnmetadata", "1", TCL_GLOBAL_ONLY); #else Tcl_SetVar2(interp, "sqlite_options", "columnmetadata", "0", TCL_GLOBAL_ONLY); #endif |
︙ | ︙ |
Changes to src/tokenize.c.
︙ | ︙ | |||
299 300 301 302 303 304 305 | return i; } case '?': { *tokenType = TK_VARIABLE; for(i=1; sqlite3Isdigit(z[i]); i++){} return i; } | < < < < < < < < < < < > | > | 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 | return i; } case '?': { *tokenType = TK_VARIABLE; for(i=1; sqlite3Isdigit(z[i]); i++){} return i; } #ifndef SQLITE_OMIT_TCL_VARIABLE case '$': #endif case '@': /* For compatibility with MS SQL Server */ case '#': case ':': { int n = 0; testcase( z[0]=='$' ); testcase( z[0]=='@' ); testcase( z[0]==':' ); testcase( z[0]=='#' ); *tokenType = TK_VARIABLE; for(i=1; (c=z[i])!=0; i++){ if( IdChar(c) ){ n++; #ifndef SQLITE_OMIT_TCL_VARIABLE }else if( c=='(' && n>0 ){ do{ |
︙ | ︙ | |||
499 500 501 502 503 504 505 506 507 508 509 510 511 512 | /* If the pParse->declareVtab flag is set, do not delete any table ** structure built up in pParse->pNewTable. The calling code (see vtab.c) ** will take responsibility for freeing the Table structure. */ sqlite3DeleteTable(db, pParse->pNewTable); } sqlite3DeleteTrigger(db, pParse->pNewTrigger); for(i=pParse->nzVar-1; i>=0; i--) sqlite3DbFree(db, pParse->azVar[i]); sqlite3DbFree(db, pParse->azVar); while( pParse->pAinc ){ AutoincInfo *p = pParse->pAinc; pParse->pAinc = p->pNext; sqlite3DbFree(db, p); | > | 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 | /* If the pParse->declareVtab flag is set, do not delete any table ** structure built up in pParse->pNewTable. The calling code (see vtab.c) ** will take responsibility for freeing the Table structure. */ sqlite3DeleteTable(db, pParse->pNewTable); } if( pParse->bFreeWith ) sqlite3WithDelete(db, pParse->pWith); sqlite3DeleteTrigger(db, pParse->pNewTrigger); for(i=pParse->nzVar-1; i>=0; i--) sqlite3DbFree(db, pParse->azVar[i]); sqlite3DbFree(db, pParse->azVar); while( pParse->pAinc ){ AutoincInfo *p = pParse->pAinc; pParse->pAinc = p->pNext; sqlite3DbFree(db, p); |
︙ | ︙ |
Changes to src/trigger.c.
︙ | ︙ | |||
393 394 395 396 397 398 399 | ** The parser calls this routine when it sees an INSERT inside the ** body of a trigger. */ TriggerStep *sqlite3TriggerInsertStep( sqlite3 *db, /* The database connection */ Token *pTableName, /* Name of the table into which we insert */ IdList *pColumn, /* List of columns in pTableName to insert into */ | < < | < < | 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 | ** The parser calls this routine when it sees an INSERT inside the ** body of a trigger. */ TriggerStep *sqlite3TriggerInsertStep( sqlite3 *db, /* The database connection */ Token *pTableName, /* Name of the table into which we insert */ IdList *pColumn, /* List of columns in pTableName to insert into */ Select *pSelect, /* A SELECT statement that supplies values */ u8 orconf /* The conflict algorithm (OE_Abort, OE_Replace, etc.) */ ){ TriggerStep *pTriggerStep; assert(pSelect != 0 || db->mallocFailed); pTriggerStep = triggerStepAllocate(db, TK_INSERT, pTableName); if( pTriggerStep ){ pTriggerStep->pSelect = sqlite3SelectDup(db, pSelect, EXPRDUP_REDUCE); pTriggerStep->pIdList = pColumn; pTriggerStep->orconf = orconf; }else{ sqlite3IdListDelete(db, pColumn); } sqlite3SelectDelete(db, pSelect); return pTriggerStep; } /* ** Construct a trigger step that implements an UPDATE statement and return |
︙ | ︙ | |||
749 750 751 752 753 754 755 | pParse->eOrconf ); break; } case TK_INSERT: { sqlite3Insert(pParse, targetSrcList(pParse, pStep), | < | 745 746 747 748 749 750 751 752 753 754 755 756 757 758 | pParse->eOrconf ); break; } case TK_INSERT: { sqlite3Insert(pParse, targetSrcList(pParse, pStep), sqlite3SelectDup(db, pStep->pSelect, 0), sqlite3IdListDup(db, pStep->pIdList), pParse->eOrconf ); break; } case TK_DELETE: { |
︙ | ︙ |
Changes to src/vdbe.c.
︙ | ︙ | |||
4423 4424 4425 4426 4427 4428 4429 | assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); pC->nullRow = 1; pC->rowidIsValid = 0; pC->cacheStatus = CACHE_STALE; | < | 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 | assert( pOp->p1>=0 && pOp->p1<p->nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); pC->nullRow = 1; pC->rowidIsValid = 0; pC->cacheStatus = CACHE_STALE; if( pC->pCursor ){ sqlite3BtreeClearCursor(pC->pCursor); } break; } /* Opcode: Last P1 P2 * * * |
︙ | ︙ |
Changes to src/vdbe.h.
︙ | ︙ | |||
173 174 175 176 177 178 179 180 181 182 183 184 185 186 | void sqlite3VdbeAddParseSchemaOp(Vdbe*,int,char*); void sqlite3VdbeChangeP1(Vdbe*, u32 addr, int P1); void sqlite3VdbeChangeP2(Vdbe*, u32 addr, int P2); void sqlite3VdbeChangeP3(Vdbe*, u32 addr, int P3); void sqlite3VdbeChangeP5(Vdbe*, u8 P5); void sqlite3VdbeJumpHere(Vdbe*, int addr); void sqlite3VdbeChangeToNoop(Vdbe*, int addr); void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N); void sqlite3VdbeSetP4KeyInfo(Parse*, Index*); void sqlite3VdbeUsesBtree(Vdbe*, int); VdbeOp *sqlite3VdbeGetOp(Vdbe*, int); int sqlite3VdbeMakeLabel(Vdbe*); void sqlite3VdbeRunOnlyOnce(Vdbe*); void sqlite3VdbeDelete(Vdbe*); | > | 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | void sqlite3VdbeAddParseSchemaOp(Vdbe*,int,char*); void sqlite3VdbeChangeP1(Vdbe*, u32 addr, int P1); void sqlite3VdbeChangeP2(Vdbe*, u32 addr, int P2); void sqlite3VdbeChangeP3(Vdbe*, u32 addr, int P3); void sqlite3VdbeChangeP5(Vdbe*, u8 P5); void sqlite3VdbeJumpHere(Vdbe*, int addr); void sqlite3VdbeChangeToNoop(Vdbe*, int addr); int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op); void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N); void sqlite3VdbeSetP4KeyInfo(Parse*, Index*); void sqlite3VdbeUsesBtree(Vdbe*, int); VdbeOp *sqlite3VdbeGetOp(Vdbe*, int); int sqlite3VdbeMakeLabel(Vdbe*); void sqlite3VdbeRunOnlyOnce(Vdbe*); void sqlite3VdbeDelete(Vdbe*); |
︙ | ︙ |
Changes to src/vdbeaux.c.
︙ | ︙ | |||
273 274 275 276 277 278 279 280 281 282 283 284 285 286 | Parse *p = v->pParse; int j = -1-x; assert( v->magic==VDBE_MAGIC_INIT ); assert( j<p->nLabel ); if( j>=0 && p->aLabel ){ p->aLabel[j] = v->nOp; } } /* ** Mark the VDBE as one that can only be run one time. */ void sqlite3VdbeRunOnlyOnce(Vdbe *p){ p->runOnlyOnce = 1; | > | 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 | Parse *p = v->pParse; int j = -1-x; assert( v->magic==VDBE_MAGIC_INIT ); assert( j<p->nLabel ); if( j>=0 && p->aLabel ){ p->aLabel[j] = v->nOp; } p->iFixedOp = v->nOp - 1; } /* ** Mark the VDBE as one that can only be run one time. */ void sqlite3VdbeRunOnlyOnce(Vdbe *p){ p->runOnlyOnce = 1; |
︙ | ︙ | |||
621 622 623 624 625 626 627 | } /* ** Change the P2 operand of instruction addr so that it points to ** the address of the next instruction to be coded. */ void sqlite3VdbeJumpHere(Vdbe *p, int addr){ | | > | 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 | } /* ** Change the P2 operand of instruction addr so that it points to ** the address of the next instruction to be coded. */ void sqlite3VdbeJumpHere(Vdbe *p, int addr){ sqlite3VdbeChangeP2(p, addr, p->nOp); p->pParse->iFixedOp = p->nOp - 1; } /* ** If the input FuncDef structure is ephemeral, then free it. If ** the FuncDef is not ephermal, then do nothing. */ |
︙ | ︙ | |||
722 723 724 725 726 727 728 729 730 731 732 733 734 735 | sqlite3 *db = p->db; freeP4(db, pOp->p4type, pOp->p4.p); memset(pOp, 0, sizeof(pOp[0])); pOp->opcode = OP_Noop; if( addr==p->nOp-1 ) p->nOp--; } } /* ** Change the value of the P4 operand for a specific instruction. ** This routine is useful when a large program is loaded from a ** static array using sqlite3VdbeAddOpList but we want to make a ** few minor changes to the program. ** | > > > > > > > > > > > > | 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 | sqlite3 *db = p->db; freeP4(db, pOp->p4type, pOp->p4.p); memset(pOp, 0, sizeof(pOp[0])); pOp->opcode = OP_Noop; if( addr==p->nOp-1 ) p->nOp--; } } /* ** Remove the last opcode inserted */ int sqlite3VdbeDeletePriorOpcode(Vdbe *p, u8 op){ if( (p->nOp-1)>(p->pParse->iFixedOp) && p->aOp[p->nOp-1].opcode==op ){ sqlite3VdbeChangeToNoop(p, p->nOp-1); return 1; }else{ return 0; } } /* ** Change the value of the P4 operand for a specific instruction. ** This routine is useful when a large program is loaded from a ** static array using sqlite3VdbeAddOpList but we want to make a ** few minor changes to the program. ** |
︙ | ︙ |
Changes to src/walker.c.
︙ | ︙ | |||
109 110 111 112 113 114 115 | } return WRC_Continue; } /* ** Call sqlite3WalkExpr() for every expression in Select statement p. ** Invoke sqlite3WalkSelect() for subqueries in the FROM clause and | | > > > > | < > | > | | | < < < < | 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | } return WRC_Continue; } /* ** Call sqlite3WalkExpr() for every expression in Select statement p. ** Invoke sqlite3WalkSelect() for subqueries in the FROM clause and ** on the compound select chain, p->pPrior. ** ** If it is not NULL, the xSelectCallback() callback is invoked before ** the walk of the expressions and FROM clause. The xSelectCallback2() ** method, if it is not NULL, is invoked following the walk of the ** expressions and FROM clause. ** ** Return WRC_Continue under normal conditions. Return WRC_Abort if ** there is an abort request. ** ** If the Walker does not have an xSelectCallback() then this routine ** is a no-op returning WRC_Continue. */ int sqlite3WalkSelect(Walker *pWalker, Select *p){ int rc; if( p==0 || (pWalker->xSelectCallback==0 && pWalker->xSelectCallback2==0) ){ return WRC_Continue; } rc = WRC_Continue; pWalker->walkerDepth++; while( p ){ if( pWalker->xSelectCallback ){ rc = pWalker->xSelectCallback(pWalker, p); if( rc ) break; } if( sqlite3WalkSelectExpr(pWalker, p) || sqlite3WalkSelectFrom(pWalker, p) ){ pWalker->walkerDepth--; return WRC_Abort; } if( pWalker->xSelectCallback2 ){ pWalker->xSelectCallback2(pWalker, p); } p = p->pPrior; } pWalker->walkerDepth--; return rc & WRC_Abort; } |
Changes to src/where.c.
︙ | ︙ | |||
663 664 665 666 667 668 669 | ){ /* IMP: R-02065-49465 The left-hand side of the LIKE or GLOB operator must ** be the name of an indexed column with TEXT affinity. */ return 0; } assert( pLeft->iColumn!=(-1) ); /* Because IPK never has AFF_TEXT */ | | | 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 | ){ /* IMP: R-02065-49465 The left-hand side of the LIKE or GLOB operator must ** be the name of an indexed column with TEXT affinity. */ return 0; } assert( pLeft->iColumn!=(-1) ); /* Because IPK never has AFF_TEXT */ pRight = sqlite3ExprSkipCollate(pList->a[0].pExpr); op = pRight->op; if( op==TK_VARIABLE ){ Vdbe *pReprepare = pParse->pReprepare; int iCol = pRight->iColumn; pVal = sqlite3VdbeGetBoundValue(pReprepare, iCol, SQLITE_AFF_NONE); if( pVal && sqlite3_value_type(pVal)==SQLITE_TEXT ){ z = (char *)sqlite3_value_text(pVal); |
︙ | ︙ | |||
1706 1707 1708 1709 1710 1711 1712 | sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1); sqlite3VdbeSetP4KeyInfo(pParse, pIdx); VdbeComment((v, "for %s", pTable->zName)); /* Fill the automatic index with content */ addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); regRecord = sqlite3GetTempReg(pParse); | | | 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 | sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1); sqlite3VdbeSetP4KeyInfo(pParse, pIdx); VdbeComment((v, "for %s", pTable->zName)); /* Fill the automatic index with content */ addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); regRecord = sqlite3GetTempReg(pParse); sqlite3GenerateIndexKey(pParse, pIdx, pLevel->iTabCur, regRecord, 0, 0, 0, 0); sqlite3VdbeAddOp2(v, OP_IdxInsert, pLevel->iIdxCur, regRecord); sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT); sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX); sqlite3VdbeJumpHere(v, addrTop); sqlite3ReleaseTempReg(pParse, regRecord); |
︙ | ︙ | |||
1747 1748 1749 1750 1751 1752 1753 | /* Count the number of possible WHERE clause constraints referring ** to this virtual table */ for(i=nTerm=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ if( pTerm->leftCursor != pSrc->iCursor ) continue; assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); testcase( pTerm->eOperator & WO_IN ); testcase( pTerm->eOperator & WO_ISNULL ); | | > | 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 | /* Count the number of possible WHERE clause constraints referring ** to this virtual table */ for(i=nTerm=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ if( pTerm->leftCursor != pSrc->iCursor ) continue; assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); testcase( pTerm->eOperator & WO_IN ); testcase( pTerm->eOperator & WO_ISNULL ); testcase( pTerm->eOperator & WO_ALL ); if( (pTerm->eOperator & ~(WO_ISNULL|WO_EQUIV))==0 ) continue; if( pTerm->wtFlags & TERM_VNULL ) continue; nTerm++; } /* If the ORDER BY clause contains only columns in the current ** virtual table then allocate space for the aOrderBy part of ** the sqlite3_index_info structure. |
︙ | ︙ | |||
1799 1800 1801 1802 1803 1804 1805 | for(i=j=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ u8 op; if( pTerm->leftCursor != pSrc->iCursor ) continue; assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); testcase( pTerm->eOperator & WO_IN ); testcase( pTerm->eOperator & WO_ISNULL ); | | > | 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 | for(i=j=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ u8 op; if( pTerm->leftCursor != pSrc->iCursor ) continue; assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); testcase( pTerm->eOperator & WO_IN ); testcase( pTerm->eOperator & WO_ISNULL ); testcase( pTerm->eOperator & WO_ALL ); if( (pTerm->eOperator & ~(WO_ISNULL|WO_EQUIV))==0 ) continue; if( pTerm->wtFlags & TERM_VNULL ) continue; pIdxCons[j].iColumn = pTerm->u.leftColumn; pIdxCons[j].iTermOffset = i; op = (u8)pTerm->eOperator & WO_ALL; if( op==WO_IN ) op = WO_EQ; pIdxCons[j].op = op; /* The direct assignment in the previous line is possible only because |
︙ | ︙ | |||
3404 3405 3406 3407 3408 3409 3410 | { /* Case 6: There is no usable index. We must do a complete ** scan of the entire table. */ static const u8 aStep[] = { OP_Next, OP_Prev }; static const u8 aStart[] = { OP_Rewind, OP_Last }; assert( bRev==0 || bRev==1 ); | > > > > > | | | | > | 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 | { /* Case 6: There is no usable index. We must do a complete ** scan of the entire table. */ static const u8 aStep[] = { OP_Next, OP_Prev }; static const u8 aStart[] = { OP_Rewind, OP_Last }; assert( bRev==0 || bRev==1 ); if( pTabItem->isRecursive ){ /* Tables marked isRecursive have only a single row that is stored in ** a pseudo-cursor. No need to Rewind or Next such cursors. */ pLevel->op = OP_Noop; }else{ pLevel->op = aStep[bRev]; pLevel->p1 = iCur; pLevel->p2 = 1 + sqlite3VdbeAddOp2(v, aStart[bRev], iCur, addrBrk); pLevel->p5 = SQLITE_STMTSTATUS_FULLSCAN_STEP; } } /* Insert code to test every subexpression that can be completely ** computed using the current set of tables. */ for(pTerm=pWC->a, j=pWC->nTerm; j>0; j--, pTerm++){ Expr *pE; |
︙ | ︙ | |||
4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 | if( !pBuilder->pOrSet && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0 && pSrc->pIndex==0 && !pSrc->viaCoroutine && !pSrc->notIndexed && HasRowid(pTab) && !pSrc->isCorrelated ){ /* Generate auto-index WhereLoops */ WhereTerm *pTerm; WhereTerm *pWCEnd = pWC->a + pWC->nTerm; for(pTerm=pWC->a; rc==SQLITE_OK && pTerm<pWCEnd; pTerm++){ if( pTerm->prereqRight & pNew->maskSelf ) continue; if( termCanDriveIndex(pTerm, pSrc, 0) ){ | > | 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 | if( !pBuilder->pOrSet && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0 && pSrc->pIndex==0 && !pSrc->viaCoroutine && !pSrc->notIndexed && HasRowid(pTab) && !pSrc->isCorrelated && !pSrc->isRecursive ){ /* Generate auto-index WhereLoops */ WhereTerm *pTerm; WhereTerm *pWCEnd = pWC->a + pWC->nTerm; for(pTerm=pWC->a; rc==SQLITE_OK && pTerm<pWCEnd; pTerm++){ if( pTerm->prereqRight & pNew->maskSelf ) continue; if( termCanDriveIndex(pTerm, pSrc, 0) ){ |
︙ | ︙ | |||
5426 5427 5428 5429 5430 5431 5432 | whereClauseInit(&pWInfo->sWC, pWInfo); whereSplit(&pWInfo->sWC, pWhere, TK_AND); sqlite3CodeVerifySchema(pParse, -1); /* Insert the cookie verifier Goto */ /* Special case: a WHERE clause that is constant. Evaluate the ** expression and either jump over all of the code or fall thru. */ | > | > | < > > | 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 | whereClauseInit(&pWInfo->sWC, pWInfo); whereSplit(&pWInfo->sWC, pWhere, TK_AND); sqlite3CodeVerifySchema(pParse, -1); /* Insert the cookie verifier Goto */ /* Special case: a WHERE clause that is constant. Evaluate the ** expression and either jump over all of the code or fall thru. */ for(ii=0; ii<sWLB.pWC->nTerm; ii++){ if( nTabList==0 || sqlite3ExprIsConstantNotJoin(sWLB.pWC->a[ii].pExpr) ){ sqlite3ExprIfFalse(pParse, sWLB.pWC->a[ii].pExpr, pWInfo->iBreak, SQLITE_JUMPIFNULL); sWLB.pWC->a[ii].wtFlags |= TERM_CODED; } } /* Special case: No FROM clause */ if( nTabList==0 ){ if( pOrderBy ) pWInfo->bOBSat = 1; if( wctrlFlags & WHERE_WANT_DISTINCT ){ |
︙ | ︙ |
Changes to test/auth.test.
︙ | ︙ | |||
2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 | do_test auth-1.308 { set authargs } {main t5 {} {}} execsql {DROP TABLE t5} } ;# ifcapable altertable do_test auth-2.1 { proc auth {code arg1 arg2 arg3 arg4} { if {$code=="SQLITE_READ" && $arg1=="t3" && $arg2=="x"} { return SQLITE_DENY } return SQLITE_OK } | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 | do_test auth-1.308 { set authargs } {main t5 {} {}} execsql {DROP TABLE t5} } ;# ifcapable altertable ifcapable {cte} { do_test auth-1.310 { proc auth {code arg1 arg2 arg3 arg4} { if {$code=="SQLITE_RECURSIVE"} { return SQLITE_DENY } return SQLITE_OK } db eval { DROP TABLE IF EXISTS t1; CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,2),(3,4),(5,6); } } {} do_catchsql_test auth-1.311 { WITH auth1311(x,y) AS (SELECT a+b, b-a FROM t1) SELECT * FROM auth1311 ORDER BY x; } {0 {3 1 7 1 11 1}} do_catchsql_test auth-1.312 { WITH RECURSIVE auth1312(x,y) AS (SELECT a+b, b-a FROM t1) SELECT x, y FROM auth1312 ORDER BY x; } {0 {3 1 7 1 11 1}} do_catchsql_test auth-1.313 { WITH RECURSIVE auth1313(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM auth1313 WHERE x<5) SELECT * FROM t1; } {0 {1 2 3 4 5 6}} do_catchsql_test auth-1.314 { WITH RECURSIVE auth1314(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM auth1314 WHERE x<5) SELECT * FROM t1 LEFT JOIN auth1314; } {1 {not authorized}} } ;# ifcapable cte do_test auth-2.1 { proc auth {code arg1 arg2 arg3 arg4} { if {$code=="SQLITE_READ" && $arg1=="t3" && $arg2=="x"} { return SQLITE_DENY } return SQLITE_OK } |
︙ | ︙ |
Changes to test/capi3.test.
︙ | ︙ | |||
175 176 177 178 179 180 181 | } {SQLITE_CANTOPEN} do_test capi3-3.4 { sqlite3_errmsg $db2 } {unable to open database file} do_test capi3-3.5 { sqlite3_close $db2 } {SQLITE_OK} | > | | | | | | | | | | > | 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | } {SQLITE_CANTOPEN} do_test capi3-3.4 { sqlite3_errmsg $db2 } {unable to open database file} do_test capi3-3.5 { sqlite3_close $db2 } {SQLITE_OK} if {[clang_sanitize_address]==0} { do_test capi3-3.6.1-misuse { sqlite3_close $db2 } {SQLITE_MISUSE} do_test capi3-3.6.2-misuse { sqlite3_errmsg $db2 } {library routine called out of sequence} ifcapable {utf16} { do_test capi3-3.6.3-misuse { utf8 [sqlite3_errmsg16 $db2] } {library routine called out of sequence} } } do_test capi3-3.7 { set db2 [sqlite3_open] sqlite3_errcode $db2 } {SQLITE_OK} do_test capi3-3.8 { |
︙ | ︙ | |||
657 658 659 660 661 662 663 | sqlite3_step $STMT } {SQLITE_ROW} #check_data $STMT capi3-6.3 {INTEGER} {1} {1.0} {1} do_test capi3-6.3 { sqlite3_finalize $STMT } {SQLITE_OK} | > | | | | > | 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 | sqlite3_step $STMT } {SQLITE_ROW} #check_data $STMT capi3-6.3 {INTEGER} {1} {1.0} {1} do_test capi3-6.3 { sqlite3_finalize $STMT } {SQLITE_OK} if {[clang_sanitize_address]==0} { do_test capi3-6.4-misuse { db cache flush sqlite3_close $DB } {SQLITE_OK} } db close # This procedure sets the value of the file-format in file 'test.db' # to $newval. Also, the schema cookie is incremented. # proc set_file_format {newval} { hexio_write test.db 44 [hexio_render_int32 $newval] |
︙ | ︙ | |||
1056 1057 1058 1059 1060 1061 1062 | do_test capi3-13-5 { set ms [sqlite3_sleep 80] expr {$ms==80 || $ms==1000} } {1} } # Ticket #1219: Make sure binding APIs can handle a NULL pointer. | | > | | | | > | 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 | do_test capi3-13-5 { set ms [sqlite3_sleep 80] expr {$ms==80 || $ms==1000} } {1} } # Ticket #1219: Make sure binding APIs can handle a NULL pointer. # if {[clang_sanitize_address]==0} { do_test capi3-14.1-misuse { set rc [catch {sqlite3_bind_text 0 1 hello 5} msg] lappend rc $msg } {1 SQLITE_MISUSE} } # Ticket #1650: Honor the nBytes parameter to sqlite3_prepare. # do_test capi3-15.1 { set sql {SELECT * FROM t2} set nbytes [string length $sql] append sql { WHERE a==1} |
︙ | ︙ |
Changes to test/capi3c.test.
︙ | ︙ | |||
165 166 167 168 169 170 171 | } {SQLITE_CANTOPEN} do_test capi3c-3.4 { sqlite3_errmsg $db2 } {unable to open database file} do_test capi3c-3.5 { sqlite3_close $db2 } {SQLITE_OK} | > | | | | | | | | | | > | 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | } {SQLITE_CANTOPEN} do_test capi3c-3.4 { sqlite3_errmsg $db2 } {unable to open database file} do_test capi3c-3.5 { sqlite3_close $db2 } {SQLITE_OK} if {[clang_sanitize_address]==0} { do_test capi3c-3.6.1-misuse { sqlite3_close $db2 } {SQLITE_MISUSE} do_test capi3c-3.6.2-misuse { sqlite3_errmsg $db2 } {library routine called out of sequence} ifcapable {utf16} { do_test capi3c-3.6.3-misuse { utf8 [sqlite3_errmsg16 $db2] } {library routine called out of sequence} } } # rename sqlite3_open "" # rename sqlite3_open_old sqlite3_open ifcapable {utf16} { do_test capi3c-4.1 { |
︙ | ︙ | |||
623 624 625 626 627 628 629 | do_test capi3c-6.2 { sqlite3_step $STMT } {SQLITE_ROW} check_data $STMT capi3c-6.3 {INTEGER} {1} {1.0} {1} do_test capi3c-6.3 { sqlite3_finalize $STMT } {SQLITE_OK} | > | | | | | | | > > > | 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 | do_test capi3c-6.2 { sqlite3_step $STMT } {SQLITE_ROW} check_data $STMT capi3c-6.3 {INTEGER} {1} {1.0} {1} do_test capi3c-6.3 { sqlite3_finalize $STMT } {SQLITE_OK} if {[clang_sanitize_address]==0} { do_test capi3c-6.4 { db cache flush sqlite3_close $DB } {SQLITE_OK} do_test capi3c-6.99-misuse { db close } {} } else { db close } # This procedure sets the value of the file-format in file 'test.db' # to $newval. Also, the schema cookie is incremented. # proc set_file_format {newval} { hexio_write test.db 44 [hexio_render_int32 $newval] set schemacookie [hexio_get_int [hexio_read test.db 40 4]] |
︙ | ︙ |
Added test/corruptH.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | # 2014-01-20 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # set testdir [file dirname $argv0] source $testdir/tester.tcl set testprefix corruptH # Do not use a codec for tests in this file, as the database file is # manipulated directly using tcl scripts (using the [hexio_write] command). # do_not_use_codec database_may_be_corrupt # Initialize the database. # do_execsql_test 1.1 { PRAGMA page_size=1024; CREATE TABLE t1(a INTEGER PRIMARY KEY, b); INSERT INTO t1 VALUES(1, 'one'); INSERT INTO t1 VALUES(2, 'two'); CREATE TABLE t2(x); INSERT INTO t2 VALUES(randomblob(200)); INSERT INTO t2 SELECT randomblob(200) FROM t2; INSERT INTO t2 SELECT randomblob(200) FROM t2; INSERT INTO t2 SELECT randomblob(200) FROM t2; INSERT INTO t2 SELECT randomblob(200) FROM t2; INSERT INTO t2 SELECT randomblob(200) FROM t2; INSERT INTO t2 SELECT randomblob(200) FROM t2; } {} # Corrupt the file so that the root page of t1 is also linked into t2 as # a leaf page. # do_test 1.2 { db eval { SELECT name, rootpage FROM sqlite_master } { set r($name) $rootpage } db close hexio_write test.db [expr {($r(t2)-1)*1024 + 11}] [format %.2X $r(t1)] sqlite3 db test.db } {} do_test 1.3 { db eval { PRAGMA secure_delete=1 } list [catch { db eval { SELECT * FROM t1 WHERE a IN (1, 2) } { db eval { DELETE FROM t2 } } } msg] $msg } {1 {database disk image is malformed}} #------------------------------------------------------------------------- reset_db # Initialize the database. # do_execsql_test 2.1 { PRAGMA page_size=1024; CREATE TABLE t1(a INTEGER PRIMARY KEY, b); INSERT INTO t1 VALUES(1, 'one'); INSERT INTO t1 VALUES(2, 'two'); CREATE TABLE t3(x); CREATE TABLE t2(x PRIMARY KEY) WITHOUT ROWID; INSERT INTO t2 VALUES(randomblob(100)); DROP TABLE t3; } {} do_test 2.2 { db eval { SELECT name, rootpage FROM sqlite_master } { set r($name) $rootpage } db close set fl [hexio_get_int [hexio_read test.db 32 4]] hexio_write test.db [expr {($fl-1) * 1024 + 0}] 00000000 hexio_write test.db [expr {($fl-1) * 1024 + 4}] 00000001 hexio_write test.db [expr {($fl-1) * 1024 + 8}] [format %.8X $r(t1)] hexio_write test.db 36 00000002 sqlite3 db test.db } {} do_test 2.3 { list [catch { db eval { SELECT * FROM t1 WHERE a IN (1, 2) } { db eval { INSERT INTO t2 SELECT randomblob(100) FROM t2; INSERT INTO t2 SELECT randomblob(100) FROM t2; INSERT INTO t2 SELECT randomblob(100) FROM t2; INSERT INTO t2 SELECT randomblob(100) FROM t2; INSERT INTO t2 SELECT randomblob(100) FROM t2; } } } msg] $msg } {1 {database disk image is malformed}} #------------------------------------------------------------------------- reset_db # Initialize the database. # do_execsql_test 3.1 { PRAGMA page_size=1024; CREATE TABLE t1(a INTEGER PRIMARY KEY, b); INSERT INTO t1 VALUES(1, 'one'); INSERT INTO t1 VALUES(2, 'two'); CREATE TABLE t2(c INTEGER PRAGMA KEY, d); INSERT INTO t2 VALUES(1, randomblob(1100)); } {} do_test 3.2 { db eval { SELECT name, rootpage FROM sqlite_master } { set r($name) $rootpage } db close hexio_write test.db [expr {($r(t2)-1) * 1024 + 1020}] 00000002 sqlite3 db test.db } {} do_test 3.3 { list [catch { db eval { SELECT * FROM t1 WHERE a IN (1, 2) } { db eval { DELETE FROM t2 WHERE c=1; } } } msg] $msg } {1 {database disk image is malformed}} finish_test |
Changes to test/e_fkey.test.
︙ | ︙ | |||
2942 2943 2944 2945 2946 2947 2948 | execsql COMMIT catchsql " UPDATE t0 SET a = 'yyy'; SELECT NOT (a='yyy') FROM t$limit; " } | > > > > > > | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > | 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 | execsql COMMIT catchsql " UPDATE t0 SET a = 'yyy'; SELECT NOT (a='yyy') FROM t$limit; " } # If the current build was created using clang with the -fsanitize=address # switch, then the library uses considerably more stack space than usual. # So much more, that some of the following tests cause stack overflows # if they are run under this configuration. # if {[clang_sanitize_address]==0} { do_test e_fkey-63.1.1 { test_on_delete_recursion $SQLITE_MAX_TRIGGER_DEPTH } {0 0} do_test e_fkey-63.1.2 { test_on_delete_recursion [expr $SQLITE_MAX_TRIGGER_DEPTH+1] } {1 {too many levels of trigger recursion}} do_test e_fkey-63.1.3 { sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 5 test_on_delete_recursion 5 } {0 0} do_test e_fkey-63.1.4 { test_on_delete_recursion 6 } {1 {too many levels of trigger recursion}} do_test e_fkey-63.1.5 { sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 1000000 } {5} do_test e_fkey-63.2.1 { test_on_update_recursion $SQLITE_MAX_TRIGGER_DEPTH } {0 0} do_test e_fkey-63.2.2 { test_on_update_recursion [expr $SQLITE_MAX_TRIGGER_DEPTH+1] } {1 {too many levels of trigger recursion}} do_test e_fkey-63.2.3 { sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 5 test_on_update_recursion 5 } {0 0} do_test e_fkey-63.2.4 { test_on_update_recursion 6 } {1 {too many levels of trigger recursion}} do_test e_fkey-63.2.5 { sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 1000000 } {5} } #------------------------------------------------------------------------- # The setting of the recursive_triggers pragma does not affect foreign # key actions. # # EVIDENCE-OF: R-51769-32730 The PRAGMA recursive_triggers setting does # not not affect the operation of foreign key actions. |
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Added test/fts3join.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | # 2014 January 4 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #************************************************************************* # This file implements regression tests for SQLite library. The # focus of this script is testing the FTS3 module. # set testdir [file dirname $argv0] source $testdir/tester.tcl set ::testprefix fts3join # If SQLITE_ENABLE_FTS3 is defined, omit this file. ifcapable !fts3 { finish_test return } do_execsql_test 1.0 { CREATE VIRTUAL TABLE ft1 USING fts4(x); INSERT INTO ft1 VALUES('aaa aaa'); INSERT INTO ft1 VALUES('aaa bbb'); INSERT INTO ft1 VALUES('bbb aaa'); INSERT INTO ft1 VALUES('bbb bbb'); CREATE TABLE t1(id, y); INSERT INTO t1 VALUES(1, 'aaa'); INSERT INTO t1 VALUES(2, 'bbb'); } do_execsql_test 1.1 { SELECT docid FROM ft1, t1 WHERE ft1 MATCH y AND id=1; } {1 2 3} do_execsql_test 1.2 { SELECT docid FROM ft1, t1 WHERE ft1 MATCH y AND id=1 ORDER BY docid; } {1 2 3} do_execsql_test 2.0 { CREATE VIRTUAL TABLE ft2 USING fts4(x); CREATE VIRTUAL TABLE ft3 USING fts4(y); INSERT INTO ft2 VALUES('abc'); INSERT INTO ft2 VALUES('def'); INSERT INTO ft3 VALUES('ghi'); INSERT INTO ft3 VALUES('abc'); } do_execsql_test 2.1 { SELECT * FROM ft2, ft3 WHERE x MATCH y; } {abc abc} do_execsql_test 2.2 { SELECT * FROM ft2, ft3 WHERE y MATCH x; } {abc abc} do_execsql_test 2.3 { SELECT * FROM ft3, ft2 WHERE x MATCH y; } {abc abc} do_execsql_test 2.4 { SELECT * FROM ft3, ft2 WHERE y MATCH x; } {abc abc} do_catchsql_test 2.5 { SELECT * FROM ft3, ft2 WHERE y MATCH x AND x MATCH y; } {1 {unable to use function MATCH in the requested context}} finish_test |
Changes to test/keyword1.test.
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61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | match of offset plan pragma query raise regexp reindex release rename replace restrict rollback row savepoint temp temporary trigger vacuum view virtual }; set exprkw { cast current_date current_time current_timestamp raise | > > > | 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | match of offset plan pragma query raise recursive regexp reindex release rename replace restrict rollback row savepoint temp temporary trigger vacuum view virtual with without }; set exprkw { cast current_date current_time current_timestamp raise |
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Changes to test/like.test.
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888 889 890 891 892 893 894 895 896 897 | } } {abc abcd ABC ABCD sort {} t11cnc} do_test like-11.10 { queryplan { SELECT c FROM t11 WHERE c GLOB 'abc*' ORDER BY +a; } } {abc abcd sort {} t11cb} finish_test | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 | } } {abc abcd ABC ABCD sort {} t11cnc} do_test like-11.10 { queryplan { SELECT c FROM t11 WHERE c GLOB 'abc*' ORDER BY +a; } } {abc abcd sort {} t11cb} # A COLLATE clause on the pattern does not change the result of a # LIKE operator. # do_execsql_test like-12.1 { CREATE TABLE t12nc(id INTEGER, x TEXT UNIQUE COLLATE nocase); INSERT INTO t12nc VALUES(1,'abcde'),(2,'uvwxy'),(3,'ABCDEF'); CREATE TABLE t12b(id INTEGER, x TEXT UNIQUE COLLATE binary); INSERT INTO t12b VALUES(1,'abcde'),(2,'uvwxy'),(3,'ABCDEF'); SELECT id FROM t12nc WHERE x LIKE 'abc%' ORDER BY +id; } {1 3} do_execsql_test like-12.2 { SELECT id FROM t12b WHERE x LIKE 'abc%' ORDER BY +id; } {1 3} do_execsql_test like-12.3 { SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id; } {1 3} do_execsql_test like-12.4 { SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id; } {1 3} do_execsql_test like-12.5 { SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id; } {1 3} do_execsql_test like-12.6 { SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id; } {1 3} # Adding a COLLATE clause to the pattern of a LIKE operator does nothing # to change the suitability of using an index to satisfy that LIKE # operator. # do_execsql_test like-12.11 { EXPLAIN QUERY PLAN SELECT id FROM t12nc WHERE x LIKE 'abc%' ORDER BY +id; } {/SEARCH/} do_execsql_test like-12.12 { EXPLAIN QUERY PLAN SELECT id FROM t12b WHERE x LIKE 'abc%' ORDER BY +id; } {/SCAN/} do_execsql_test like-12.13 { EXPLAIN QUERY PLAN SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id; } {/SEARCH/} do_execsql_test like-12.14 { EXPLAIN QUERY PLAN SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id; } {/SCAN/} do_execsql_test like-12.15 { EXPLAIN QUERY PLAN SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id; } {/SEARCH/} do_execsql_test like-12.16 { EXPLAIN QUERY PLAN SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id; } {/SCAN/} finish_test |
Changes to test/misc1.test.
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587 588 589 590 591 592 593 594 595 | } {2 3} } do_test misc1-18.1 { set n [sqlite3_sleep 100] expr {$n>=100} } {1} finish_test | > > > > > > > > > > > > > | 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 | } {2 3} } do_test misc1-18.1 { set n [sqlite3_sleep 100] expr {$n>=100} } {1} # 2014-01-10: In a CREATE TABLE AS, if one or more of the column names # are an empty string, that is still OK. # do_execsql_test misc1-19.1 { CREATE TABLE t19 AS SELECT 1, 2 AS '', 3; SELECT * FROM t19; } {1 2 3} do_execsql_test misc1-19.2 { CREATE TABLE t19b AS SELECT 4 AS '', 5 AS '', 6 AS ''; SELECT * FROM t19b; } {4 5 6} finish_test |
Changes to test/misc7.test.
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11 12 13 14 15 16 17 | # This file implements regression tests for SQLite library. # # $Id: misc7.test,v 1.29 2009/07/16 18:21:18 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl | > | | | > | 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | # This file implements regression tests for SQLite library. # # $Id: misc7.test,v 1.29 2009/07/16 18:21:18 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl if {[clang_sanitize_address]==0} { do_test misc7-1-misuse { c_misuse_test } {} } do_test misc7-2 { c_realloc_test } {} do_test misc7-3 { c_collation_test |
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Changes to test/misuse.test.
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167 168 169 170 171 172 173 | set v [catch { db eval {SELECT * FROM t1} {} { set r [sqlite3_close $::DB] } } msg] lappend v $msg $r } {0 {} SQLITE_BUSY} | > > | | | | | | | | | | | | | | | | | | | | | | | | | | | | | > | 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | set v [catch { db eval {SELECT * FROM t1} {} { set r [sqlite3_close $::DB] } } msg] lappend v $msg $r } {0 {} SQLITE_BUSY} if {[clang_sanitize_address]==0} { do_test misuse-4.4 { # Flush the TCL statement cache here, otherwise the sqlite3_close() will # fail because there are still un-finalized() VDBEs. db cache flush sqlite3_close $::DB catchsql2 {SELECT * FROM t1} } {1 {library routine called out of sequence}} do_test misuse-4.5 { catchsql { SELECT * FROM t1 } } {1 {library routine called out of sequence}} # Attempt to use a database after it has been closed. # do_test misuse-5.1 { db close sqlite3 db test2.db; set ::DB [sqlite3_connection_pointer db] execsql { SELECT * FROM t1 } } {1 2} do_test misuse-5.2 { catchsql2 {SELECT * FROM t1} } {0 {a b 1 2}} do_test misuse-5.3 { db close set r [catch { sqlite3_prepare $::DB {SELECT * FROM t1} -1 TAIL } msg] lappend r $msg } {1 {(21) library routine called out of sequence}} } finish_test |
Changes to test/select7.test.
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134 135 136 137 138 139 140 | } [list 1 \ {only a single result allowed for a SELECT that is part of an expression}] } # Verify that an error occurs if you have too many terms on a # compound select statement. # | > | | | | | | | | | | | | | | | > | 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | } [list 1 \ {only a single result allowed for a SELECT that is part of an expression}] } # Verify that an error occurs if you have too many terms on a # compound select statement. # if {[clang_sanitize_address]==0} { ifcapable compound { if {$SQLITE_MAX_COMPOUND_SELECT>0} { set sql {SELECT 0} set result 0 for {set i 1} {$i<$SQLITE_MAX_COMPOUND_SELECT} {incr i} { append sql " UNION ALL SELECT $i" lappend result $i } do_test select7-6.1 { catchsql $sql } [list 0 $result] append sql { UNION ALL SELECT 99999999} do_test select7-6.2 { catchsql $sql } {1 {too many terms in compound SELECT}} } } } # This block of tests verifies that bug aa92c76cd4 is fixed. # do_test select7-7.1 { execsql { |
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Changes to test/spellfix.test.
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216 217 218 219 220 221 222 223 224 225 226 | 5 kusher {kosher 16} } { do_execsql_test 5.1.$tn { SELECT word, distance FROM t3 WHERE word MATCH $word ORDER BY score, word LIMIT 1 } $res } finish_test | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 | 5 kusher {kosher 16} } { do_execsql_test 5.1.$tn { SELECT word, distance FROM t3 WHERE word MATCH $word ORDER BY score, word LIMIT 1 } $res } #------------------------------------------------------------------------- # Try some queries by rowid. # do_execsql_test 6.1.1 { SELECT word FROM t3 WHERE rowid = 10; } {keener} do_execsql_test 6.1.2 { SELECT word, distance FROM t3 WHERE rowid = 10; } {keener {}} do_execsql_test 6.1.3 { SELECT word, distance FROM t3 WHERE rowid = 10 AND word MATCH 'kiiner'; } {keener 300} proc trace_callback {sql} { if {[string range $sql 0 2] == "-- "} { lappend ::trace [string range $sql 3 end] } } proc do_tracesql_test {tn sql {res {}}} { set ::trace [list] uplevel [list do_test $tn [subst -nocommands { set vals [execsql {$sql}] concat [set vals] [set ::trace] }] [list {*}$res]] } db trace trace_callback do_tracesql_test 6.2.1 { SELECT word FROM t3 WHERE rowid = 10; } {keener {SELECT word, rank, NULL, langid, id FROM "main"."t3_vocab" WHERE rowid=?} } do_tracesql_test 6.2.2 { SELECT word, distance FROM t3 WHERE rowid = 10; } {keener {} {SELECT word, rank, NULL, langid, id FROM "main"."t3_vocab" WHERE rowid=?} } do_tracesql_test 6.2.3 { SELECT word, distance FROM t3 WHERE rowid = 10 AND word MATCH 'kiiner'; } {keener 300 {SELECT id, word, rank, k1 FROM "main"."t3_vocab" WHERE langid=0 AND k2>=?1 AND k2<?2} } finish_test |
Changes to test/vtab1.test.
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1371 1372 1373 1374 1375 1376 1377 1378 1379 | SELECT a, b FROM ( SELECT a, b FROM t7v WHERE a=11 OR b=12 UNION ALL SELECT c, d FROM t8v WHERE c=5 OR d=6 ) ORDER BY 1, 2; } {5 5 6 6 11 11 12 12} finish_test | > > > > > > > > > > > > > > > > > > > | 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 | SELECT a, b FROM ( SELECT a, b FROM t7v WHERE a=11 OR b=12 UNION ALL SELECT c, d FROM t8v WHERE c=5 OR d=6 ) ORDER BY 1, 2; } {5 5 6 6 11 11 12 12} #------------------------------------------------------------------------- # do_execsql_test 21.1 { CREATE TABLE t9(a,b,c); CREATE VIRTUAL TABLE t9v USING echo(t9); INSERT INTO t9 VALUES(1,2,3); INSERT INTO t9 VALUES(3,2,1); INSERT INTO t9 VALUES(2,2,2); } do_execsql_test 21.2 { SELECT * FROM t9v WHERE a<b; } {1 2 3} do_execsql_test 21.3 { SELECT * FROM t9v WHERE a=b; } {2 2 2} finish_test |
Added test/with1.test.
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In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing the WITH clause. # set testdir [file dirname $argv0] source $testdir/tester.tcl set ::testprefix with1 ifcapable {!cte} { finish_test return } do_execsql_test 1.0 { CREATE TABLE t1(x INTEGER, y INTEGER); WITH x(a) AS ( SELECT * FROM t1) SELECT 10 } {10} do_execsql_test 1.1 { SELECT * FROM ( WITH x AS ( SELECT * FROM t1) SELECT 10 ); } {10} do_execsql_test 1.2 { WITH x(a) AS ( SELECT * FROM t1) INSERT INTO t1 VALUES(1,2); } {} do_execsql_test 1.3 { WITH x(a) AS ( SELECT * FROM t1) DELETE FROM t1; } {} do_execsql_test 1.4 { WITH x(a) AS ( SELECT * FROM t1) UPDATE t1 SET x = y; } {} #-------------------------------------------------------------------------- do_execsql_test 2.1 { DROP TABLE IF EXISTS t1; CREATE TABLE t1(x); INSERT INTO t1 VALUES(1); INSERT INTO t1 VALUES(2); WITH tmp AS ( SELECT * FROM t1 ) SELECT x FROM tmp; } {1 2} do_execsql_test 2.2 { WITH tmp(a) AS ( SELECT * FROM t1 ) SELECT a FROM tmp; } {1 2} do_execsql_test 2.3 { SELECT * FROM ( WITH tmp(a) AS ( SELECT * FROM t1 ) SELECT a FROM tmp ); } {1 2} do_execsql_test 2.4 { WITH tmp1(a) AS ( SELECT * FROM t1 ), tmp2(x) AS ( SELECT * FROM tmp1) SELECT * FROM tmp2; } {1 2} do_execsql_test 2.5 { WITH tmp2(x) AS ( SELECT * FROM tmp1), tmp1(a) AS ( SELECT * FROM t1 ) SELECT * FROM tmp2; } {1 2} #------------------------------------------------------------------------- do_catchsql_test 3.1 { WITH tmp2(x) AS ( SELECT * FROM tmp1 ), tmp1(a) AS ( SELECT * FROM tmp2 ) SELECT * FROM tmp1; } {1 {circular reference: tmp1}} do_catchsql_test 3.2 { CREATE TABLE t2(x INTEGER); WITH tmp(a) AS (SELECT * FROM t1), tmp(a) AS (SELECT * FROM t1) SELECT * FROM tmp; } {1 {duplicate WITH table name: tmp}} do_execsql_test 3.3 { CREATE TABLE t3(x); CREATE TABLE t4(x); INSERT INTO t3 VALUES('T3'); INSERT INTO t4 VALUES('T4'); WITH t3(a) AS (SELECT * FROM t4) SELECT * FROM t3; } {T4} do_execsql_test 3.4 { WITH tmp AS ( SELECT * FROM t3 ), tmp2 AS ( WITH tmp AS ( SELECT * FROM t4 ) SELECT * FROM tmp ) SELECT * FROM tmp2; } {T4} do_execsql_test 3.5 { WITH tmp AS ( SELECT * FROM t3 ), tmp2 AS ( WITH xxxx AS ( SELECT * FROM t4 ) SELECT * FROM tmp ) SELECT * FROM tmp2; } {T3} do_catchsql_test 3.6 { WITH tmp AS ( SELECT * FROM t3 ), SELECT * FROM tmp; } {1 {near "SELECT": syntax error}} #------------------------------------------------------------------------- do_execsql_test 4.1 { DROP TABLE IF EXISTS t1; CREATE TABLE t1(x); INSERT INTO t1 VALUES(1); INSERT INTO t1 VALUES(2); INSERT INTO t1 VALUES(3); INSERT INTO t1 VALUES(4); WITH dset AS ( SELECT 2 UNION ALL SELECT 4 ) DELETE FROM t1 WHERE x IN dset; SELECT * FROM t1; } {1 3} do_execsql_test 4.2 { WITH iset AS ( SELECT 2 UNION ALL SELECT 4 ) INSERT INTO t1 SELECT * FROM iset; SELECT * FROM t1; } {1 3 2 4} do_execsql_test 4.3 { WITH uset(a, b) AS ( SELECT 2, 8 UNION ALL SELECT 4, 9 ) UPDATE t1 SET x = COALESCE( (SELECT b FROM uset WHERE a=x), x ); SELECT * FROM t1; } {1 3 8 9} #------------------------------------------------------------------------- # do_execsql_test 5.1 { WITH i(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM i) SELECT x FROM i LIMIT 10; } {1 2 3 4 5 6 7 8 9 10} do_catchsql_test 5.2 { WITH i(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM i ORDER BY 1) SELECT x FROM i LIMIT 10; } {0 {1 2 3 4 5 6 7 8 9 10}} do_execsql_test 5.2.1 { CREATE TABLE edge(xfrom, xto, seq, PRIMARY KEY(xfrom, xto)) WITHOUT ROWID; INSERT INTO edge VALUES(0, 1, 10); INSERT INTO edge VALUES(1, 2, 20); INSERT INTO edge VALUES(0, 3, 30); INSERT INTO edge VALUES(2, 4, 40); INSERT INTO edge VALUES(3, 4, 40); INSERT INTO edge VALUES(2, 5, 50); INSERT INTO edge VALUES(3, 6, 60); INSERT INTO edge VALUES(5, 7, 70); INSERT INTO edge VALUES(3, 7, 70); INSERT INTO edge VALUES(4, 8, 80); INSERT INTO edge VALUES(7, 8, 80); INSERT INTO edge VALUES(8, 9, 90); WITH RECURSIVE ancest(id, mtime) AS (VALUES(0, 0) UNION SELECT edge.xto, edge.seq FROM edge, ancest WHERE edge.xfrom=ancest.id ORDER BY 2 ) SELECT * FROM ancest; } {0 0 1 10 2 20 3 30 4 40 5 50 6 60 7 70 8 80 9 90} do_execsql_test 5.2.2 { WITH RECURSIVE ancest(id, mtime) AS (VALUES(0, 0) UNION ALL SELECT edge.xto, edge.seq FROM edge, ancest WHERE edge.xfrom=ancest.id ORDER BY 2 ) SELECT * FROM ancest; } {0 0 1 10 2 20 3 30 4 40 4 40 5 50 6 60 7 70 7 70 8 80 8 80 8 80 8 80 9 90 9 90 9 90 9 90} do_execsql_test 5.2.3 { WITH RECURSIVE ancest(id, mtime) AS (VALUES(0, 0) UNION ALL SELECT edge.xto, edge.seq FROM edge, ancest WHERE edge.xfrom=ancest.id ORDER BY 2 LIMIT 4 OFFSET 2 ) SELECT * FROM ancest; } {2 20 3 30 4 40 4 40} do_catchsql_test 5.3 { WITH i(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM i LIMIT 5) SELECT x FROM i; } {0 {1 2 3 4 5}} do_execsql_test 5.4 { WITH i(x) AS ( VALUES(1) UNION ALL SELECT (x+1)%10 FROM i) SELECT x FROM i LIMIT 20; } {1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0} do_execsql_test 5.5 { WITH i(x) AS ( VALUES(1) UNION SELECT (x+1)%10 FROM i) SELECT x FROM i LIMIT 20; } {1 2 3 4 5 6 7 8 9 0} do_catchsql_test 5.6.1 { WITH i(x, y) AS ( VALUES(1) ) SELECT * FROM i; } {1 {table i has 1 values for 2 columns}} do_catchsql_test 5.6.2 { WITH i(x) AS ( VALUES(1,2) ) SELECT * FROM i; } {1 {table i has 2 values for 1 columns}} do_catchsql_test 5.6.3 { CREATE TABLE t5(a, b); WITH i(x) AS ( SELECT * FROM t5 ) SELECT * FROM i; } {1 {table i has 2 values for 1 columns}} do_catchsql_test 5.6.4 { WITH i(x) AS ( SELECT 1, 2 UNION ALL SELECT 1 ) SELECT * FROM i; } {1 {table i has 2 values for 1 columns}} do_catchsql_test 5.6.5 { WITH i(x) AS ( SELECT 1 UNION ALL SELECT 1, 2 ) SELECT * FROM i; } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}} do_catchsql_test 5.6.6 { WITH i(x) AS ( SELECT 1 UNION ALL SELECT x+1, x*2 FROM i ) SELECT * FROM i; } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}} do_catchsql_test 5.6.7 { WITH i(x) AS ( SELECT 1, 2 UNION SELECT x+1 FROM i ) SELECT * FROM i; } {1 {table i has 2 values for 1 columns}} #------------------------------------------------------------------------- # do_execsql_test 6.1 { CREATE TABLE f( id INTEGER PRIMARY KEY, parentid REFERENCES f, name TEXT ); INSERT INTO f VALUES(0, NULL, ''); INSERT INTO f VALUES(1, 0, 'bin'); INSERT INTO f VALUES(2, 1, 'true'); INSERT INTO f VALUES(3, 1, 'false'); INSERT INTO f VALUES(4, 1, 'ls'); INSERT INTO f VALUES(5, 1, 'grep'); INSERT INTO f VALUES(6, 0, 'etc'); INSERT INTO f VALUES(7, 6, 'rc.d'); INSERT INTO f VALUES(8, 7, 'rc.apache'); INSERT INTO f VALUES(9, 7, 'rc.samba'); INSERT INTO f VALUES(10, 0, 'home'); INSERT INTO f VALUES(11, 10, 'dan'); INSERT INTO f VALUES(12, 11, 'public_html'); INSERT INTO f VALUES(13, 12, 'index.html'); INSERT INTO f VALUES(14, 13, 'logo.gif'); } do_execsql_test 6.2 { WITH flat(fid, fpath) AS ( SELECT id, '' FROM f WHERE parentid IS NULL UNION ALL SELECT id, fpath || '/' || name FROM f, flat WHERE parentid=fid ) SELECT fpath FROM flat WHERE fpath!='' ORDER BY 1; } { /bin /bin/false /bin/grep /bin/ls /bin/true /etc /etc/rc.d /etc/rc.d/rc.apache /etc/rc.d/rc.samba /home /home/dan /home/dan/public_html /home/dan/public_html/index.html /home/dan/public_html/index.html/logo.gif } do_execsql_test 6.3 { WITH flat(fid, fpath) AS ( SELECT id, '' FROM f WHERE parentid IS NULL UNION ALL SELECT id, fpath || '/' || name FROM f, flat WHERE parentid=fid ) SELECT count(*) FROM flat; } {15} do_execsql_test 6.4 { WITH x(i) AS ( SELECT 1 UNION ALL SELECT i+1 FROM x WHERE i<10 ) SELECT count(*) FROM x } {10} #------------------------------------------------------------------------- do_execsql_test 7.1 { CREATE TABLE tree(i, p); INSERT INTO tree VALUES(1, NULL); INSERT INTO tree VALUES(2, 1); INSERT INTO tree VALUES(3, 1); INSERT INTO tree VALUES(4, 2); INSERT INTO tree VALUES(5, 4); } do_execsql_test 7.2 { WITH t(id, path) AS ( SELECT i, '' FROM tree WHERE p IS NULL UNION ALL SELECT i, path || '/' || i FROM tree, t WHERE p = id ) SELECT path FROM t; } {{} /2 /3 /2/4 /2/4/5} do_execsql_test 7.3 { WITH t(id) AS ( VALUES(2) UNION ALL SELECT i FROM tree, t WHERE p = id ) SELECT id FROM t; } {2 4 5} do_catchsql_test 7.4 { WITH t(id) AS ( VALUES(2) UNION ALL SELECT i FROM tree WHERE p IN (SELECT id FROM t) ) SELECT id FROM t; } {1 {recursive reference in a subquery: t}} do_catchsql_test 7.5 { WITH t(id) AS ( VALUES(2) UNION ALL SELECT i FROM tree, t WHERE p = id AND p IN (SELECT id FROM t) ) SELECT id FROM t; } {1 {multiple recursive references: t}} do_catchsql_test 7.6 { WITH t(id) AS ( SELECT i FROM tree WHERE 2 IN (SELECT id FROM t) UNION ALL SELECT i FROM tree, t WHERE p = id ) SELECT id FROM t; } {1 {circular reference: t}} # Compute the mandelbrot set using a recursive query # do_execsql_test 8.1-mandelbrot { WITH RECURSIVE xaxis(x) AS (VALUES(-2.0) UNION ALL SELECT x+0.05 FROM xaxis WHERE x<1.2), yaxis(y) AS (VALUES(-1.0) UNION ALL SELECT y+0.1 FROM yaxis WHERE y<1.0), m(iter, cx, cy, x, y) AS ( SELECT 0, x, y, 0.0, 0.0 FROM xaxis, yaxis UNION ALL SELECT iter+1, cx, cy, x*x-y*y + cx, 2.0*x*y + cy FROM m WHERE (x*x + y*y) < 4.0 AND iter<28 ), m2(iter, cx, cy) AS ( SELECT max(iter), cx, cy FROM m GROUP BY cx, cy ), a(t) AS ( SELECT group_concat( substr(' .+*#', 1+min(iter/7,4), 1), '') FROM m2 GROUP BY cy ) SELECT group_concat(rtrim(t),x'0a') FROM a; } {{ ....# ..#*.. ..+####+. .......+####.... + ..##+*##########+.++++ .+.##################+. .............+###################+.+ ..++..#.....*#####################+. ...+#######++#######################. ....+*################################. #############################################... ....+*################################. ...+#######++#######################. ..++..#.....*#####################+. .............+###################+.+ .+.##################+. ..##+*##########+.++++ .......+####.... + ..+####+. ..#*.. ....# +.}} # Solve a sudoku puzzle using a recursive query # do_execsql_test 8.2-soduko { WITH RECURSIVE input(sud) AS ( VALUES('53..7....6..195....98....6.8...6...34..8.3..17...2...6.6....28....419..5....8..79') ), /* A table filled with digits 1..9, inclusive. */ digits(z, lp) AS ( VALUES('1', 1) UNION ALL SELECT CAST(lp+1 AS TEXT), lp+1 FROM digits WHERE lp<9 ), /* The tricky bit. */ x(s, ind) AS ( SELECT sud, instr(sud, '.') FROM input UNION ALL SELECT substr(s, 1, ind-1) || z || substr(s, ind+1), instr( substr(s, 1, ind-1) || z || substr(s, ind+1), '.' ) FROM x, digits AS z WHERE ind>0 AND NOT EXISTS ( SELECT 1 FROM digits AS lp WHERE z.z = substr(s, ((ind-1)/9)*9 + lp, 1) OR z.z = substr(s, ((ind-1)%9) + (lp-1)*9 + 1, 1) OR z.z = substr(s, (((ind-1)/3) % 3) * 3 + ((ind-1)/27) * 27 + lp + ((lp-1) / 3) * 6, 1) ) ) SELECT s FROM x WHERE ind=0; } {534678912672195348198342567859761423426853791713924856961537284287419635345286179} # Test cases to illustrate on the ORDER BY clause on a recursive query can be # used to control depth-first versus breath-first search in a tree. # do_execsql_test 9.1 { CREATE TABLE org( name TEXT PRIMARY KEY, boss TEXT REFERENCES org ) WITHOUT ROWID; INSERT INTO org VALUES('Alice',NULL); INSERT INTO org VALUES('Bob','Alice'); INSERT INTO org VALUES('Cindy','Alice'); INSERT INTO org VALUES('Dave','Bob'); INSERT INTO org VALUES('Emma','Bob'); INSERT INTO org VALUES('Fred','Cindy'); INSERT INTO org VALUES('Gail','Cindy'); INSERT INTO org VALUES('Harry','Dave'); INSERT INTO org VALUES('Ingrid','Dave'); INSERT INTO org VALUES('Jim','Emma'); INSERT INTO org VALUES('Kate','Emma'); INSERT INTO org VALUES('Lanny','Fred'); INSERT INTO org VALUES('Mary','Fred'); INSERT INTO org VALUES('Noland','Gail'); INSERT INTO org VALUES('Olivia','Gail'); -- The above are all under Alice. Add a few more records for people -- not in Alice's group, just to prove that they won't be selected. INSERT INTO org VALUES('Xaviar',NULL); INSERT INTO org VALUES('Xia','Xaviar'); INSERT INTO org VALUES('Xerxes','Xaviar'); INSERT INTO org VALUES('Xena','Xia'); -- Find all members of Alice's group, breath-first order WITH RECURSIVE under_alice(name,level) AS ( VALUES('Alice','0') UNION ALL SELECT org.name, under_alice.level+1 FROM org, under_alice WHERE org.boss=under_alice.name ORDER BY 2 ) SELECT group_concat(substr('...............',1,level*3) || name,x'0a') FROM under_alice; } {{Alice ...Bob ...Cindy ......Dave ......Emma ......Fred ......Gail .........Harry .........Ingrid .........Jim .........Kate .........Lanny .........Mary .........Noland .........Olivia}} # The previous query used "ORDER BY level" to yield a breath-first search. # Change that to "ORDER BY level DESC" for a depth-first search. # do_execsql_test 9.2 { WITH RECURSIVE under_alice(name,level) AS ( VALUES('Alice','0') UNION ALL SELECT org.name, under_alice.level+1 FROM org, under_alice WHERE org.boss=under_alice.name ORDER BY 2 DESC ) SELECT group_concat(substr('...............',1,level*3) || name,x'0a') FROM under_alice; } {{Alice ...Bob ......Dave .........Harry .........Ingrid ......Emma .........Jim .........Kate ...Cindy ......Fred .........Lanny .........Mary ......Gail .........Noland .........Olivia}} # Without an ORDER BY clause, the recursive query should use a FIFO, # resulting in a breath-first search. # do_execsql_test 9.3 { WITH RECURSIVE under_alice(name,level) AS ( VALUES('Alice','0') UNION ALL SELECT org.name, under_alice.level+1 FROM org, under_alice WHERE org.boss=under_alice.name ) SELECT group_concat(substr('...............',1,level*3) || name,x'0a') FROM under_alice; } {{Alice ...Bob ...Cindy ......Dave ......Emma ......Fred ......Gail .........Harry .........Ingrid .........Jim .........Kate .........Lanny .........Mary .........Noland .........Olivia}} finish_test |
Added test/with2.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 | # 2014 January 11 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing the WITH clause. # set testdir [file dirname $argv0] source $testdir/tester.tcl set ::testprefix with2 ifcapable {!cte} { finish_test return } do_execsql_test 1.0 { CREATE TABLE t1(a); INSERT INTO t1 VALUES(1); INSERT INTO t1 VALUES(2); } do_execsql_test 1.1 { WITH x1 AS (SELECT * FROM t1) SELECT sum(a) FROM x1; } {3} do_execsql_test 1.2 { WITH x1 AS (SELECT * FROM t1) SELECT (SELECT sum(a) FROM x1); } {3} do_execsql_test 1.3 { WITH x1 AS (SELECT * FROM t1) SELECT (SELECT sum(a) FROM x1); } {3} do_execsql_test 1.4 { CREATE TABLE t2(i); INSERT INTO t2 VALUES(2); INSERT INTO t2 VALUES(3); INSERT INTO t2 VALUES(5); WITH x1 AS (SELECT i FROM t2), i(a) AS ( SELECT min(i)-1 FROM x1 UNION SELECT a+1 FROM i WHERE a<10 ) SELECT a FROM i WHERE a NOT IN x1 } {1 4 6 7 8 9 10} do_execsql_test 1.5 { WITH x1 AS (SELECT a FROM t1), x2 AS (SELECT i FROM t2), x3 AS (SELECT * FROM x1, x2 WHERE x1.a IN x2 AND x2.i IN x1) SELECT * FROM x3 } {2 2} do_execsql_test 1.6 { CREATE TABLE t3 AS SELECT 3 AS x; CREATE TABLE t4 AS SELECT 4 AS x; WITH x1 AS (SELECT * FROM t3), x2 AS ( WITH t3 AS (SELECT * FROM t4) SELECT * FROM x1 ) SELECT * FROM x2; } {3} do_execsql_test 1.7 { WITH x2 AS ( WITH t3 AS (SELECT * FROM t4) SELECT * FROM t3 ) SELECT * FROM x2; } {4} do_execsql_test 1.8 { WITH x2 AS ( WITH t3 AS (SELECT * FROM t4) SELECT * FROM main.t3 ) SELECT * FROM x2; } {3} do_execsql_test 1.9 { WITH x1 AS (SELECT * FROM t1) SELECT (SELECT sum(a) FROM x1), (SELECT max(a) FROM x1); } {3 2} do_execsql_test 1.10 { WITH x1 AS (SELECT * FROM t1) SELECT (SELECT sum(a) FROM x1), (SELECT max(a) FROM x1), a FROM x1; } {3 2 1 3 2 2} do_execsql_test 1.11 { WITH i(x) AS ( WITH j(x) AS ( SELECT * FROM i ), i(x) AS ( SELECT * FROM t1 ) SELECT * FROM j ) SELECT * FROM i; } {1 2} do_execsql_test 1.12 { WITH r(i) AS ( VALUES('.') UNION ALL SELECT i || '.' FROM r, ( SELECT x FROM x INTERSECT SELECT y FROM y ) WHERE length(i) < 10 ), x(x) AS ( VALUES(1) UNION ALL VALUES(2) UNION ALL VALUES(3) ), y(y) AS ( VALUES(2) UNION ALL VALUES(4) UNION ALL VALUES(6) ) SELECT * FROM r; } {. .. ... .... ..... ...... ....... ........ ......... ..........} do_execsql_test 1.13 { WITH r(i) AS ( VALUES('.') UNION ALL SELECT i || '.' FROM r, ( SELECT x FROM x WHERE x=2 ) WHERE length(i) < 10 ), x(x) AS ( VALUES(1) UNION ALL VALUES(2) UNION ALL VALUES(3) ) SELECT * FROM r ORDER BY length(i) DESC; } {.......... ......... ........ ....... ...... ..... .... ... .. .} do_execsql_test 1.14 { WITH t4(x) AS ( VALUES(4) UNION ALL SELECT x+1 FROM t4 WHERE x<10 ) SELECT * FROM t4; } {4 5 6 7 8 9 10} do_execsql_test 1.15 { WITH t4(x) AS ( VALUES(4) UNION ALL SELECT x+1 FROM main.t4 WHERE x<10 ) SELECT * FROM t4; } {4 5} do_catchsql_test 1.16 { WITH t4(x) AS ( VALUES(4) UNION ALL SELECT x+1 FROM t4, main.t4, t4 WHERE x<10 ) SELECT * FROM t4; } {1 {multiple references to recursive table: t4}} #--------------------------------------------------------------------------- # Check that variables can be used in CTEs. # set ::min [expr 3] set ::max [expr 9] do_execsql_test 2.1 { WITH i(x) AS ( VALUES($min) UNION ALL SELECT x+1 FROM i WHERE x < $max ) SELECT * FROM i; } {3 4 5 6 7 8 9} do_execsql_test 2.2 { WITH i(x) AS ( VALUES($min) UNION ALL SELECT x+1 FROM i WHERE x < $max ) SELECT x FROM i JOIN i AS j USING (x); } {3 4 5 6 7 8 9} #--------------------------------------------------------------------------- # Check that circular references are rejected. # do_catchsql_test 3.1 { WITH i(x, y) AS ( VALUES(1, (SELECT x FROM i)) ) SELECT * FROM i; } {1 {circular reference: i}} do_catchsql_test 3.2 { WITH i(x) AS ( SELECT * FROM j ), j(x) AS ( SELECT * FROM k ), k(x) AS ( SELECT * FROM i ) SELECT * FROM i; } {1 {circular reference: i}} do_catchsql_test 3.3 { WITH i(x) AS ( SELECT * FROM (SELECT * FROM j) ), j(x) AS ( SELECT * FROM (SELECT * FROM i) ) SELECT * FROM i; } {1 {circular reference: i}} do_catchsql_test 3.4 { WITH i(x) AS ( SELECT * FROM (SELECT * FROM j) ), j(x) AS ( SELECT * FROM (SELECT * FROM i) ) SELECT * FROM j; } {1 {circular reference: j}} do_catchsql_test 3.5 { WITH i(x) AS ( WITH j(x) AS ( SELECT * FROM i ) SELECT * FROM j ) SELECT * FROM i; } {1 {circular reference: i}} #--------------------------------------------------------------------------- # Try empty and very long column lists. # do_catchsql_test 4.1 { WITH x() AS ( SELECT 1,2,3 ) SELECT * FROM x; } {1 {near ")": syntax error}} proc genstmt {n} { for {set i 1} {$i<=$n} {incr i} { lappend cols "c$i" lappend vals $i } return " WITH x([join $cols ,]) AS (SELECT [join $vals ,]) SELECT (c$n == $n) FROM x " } do_execsql_test 4.2 [genstmt 10] 1 do_execsql_test 4.3 [genstmt 100] 1 do_execsql_test 4.4 [genstmt 255] 1 set nLimit [sqlite3_limit db SQLITE_LIMIT_COLUMN -1] do_execsql_test 4.5 [genstmt [expr $nLimit-1]] 1 do_execsql_test 4.6 [genstmt $nLimit] 1 do_catchsql_test 4.7 [genstmt [expr $nLimit+1]] {1 {too many columns in index}} #--------------------------------------------------------------------------- # Check that adding a WITH clause to an INSERT disables the xfer # optimization. # proc do_xfer_test {tn bXfer sql {res {}}} { set ::sqlite3_xferopt_count 0 uplevel [list do_test $tn [subst -nocommands { set dres [db eval {$sql}] list [set ::sqlite3_xferopt_count] [set dres] }] [list $bXfer $res]] } do_execsql_test 5.1 { DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t2; CREATE TABLE t1(a, b); CREATE TABLE t2(a, b); } do_xfer_test 5.2 1 { INSERT INTO t1 SELECT * FROM t2 } do_xfer_test 5.3 0 { INSERT INTO t1 SELECT a, b FROM t2 } do_xfer_test 5.4 0 { INSERT INTO t1 SELECT b, a FROM t2 } do_xfer_test 5.5 0 { WITH x AS (SELECT a, b FROM t2) INSERT INTO t1 SELECT * FROM x } do_xfer_test 5.6 0 { WITH x AS (SELECT a, b FROM t2) INSERT INTO t1 SELECT * FROM t2 } do_xfer_test 5.7 0 { INSERT INTO t1 WITH x AS ( SELECT * FROM t2 ) SELECT * FROM x } do_xfer_test 5.8 0 { INSERT INTO t1 WITH x(a,b) AS ( SELECT * FROM t2 ) SELECT * FROM x } #--------------------------------------------------------------------------- # Check that syntax (and other) errors in statements with WITH clauses # attached to them do not cause problems (e.g. memory leaks). # do_execsql_test 6.1 { DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t2; CREATE TABLE t1(a, b); CREATE TABLE t2(a, b); } do_catchsql_test 6.2 { WITH x AS (SELECT * FROM t1) INSERT INTO t2 VALUES(1, 2,); } {1 {near ")": syntax error}} do_catchsql_test 6.3 { WITH x AS (SELECT * FROM t1) INSERT INTO t2 SELECT a, b, FROM t1; } {1 {near "FROM": syntax error}} do_catchsql_test 6.3 { WITH x AS (SELECT * FROM t1) INSERT INTO t2 SELECT a, b FROM abc; } {1 {no such table: abc}} do_catchsql_test 6.4 { WITH x AS (SELECT * FROM t1) INSERT INTO t2 SELECT a, b, FROM t1 a a a; } {1 {near "FROM": syntax error}} do_catchsql_test 6.5 { WITH x AS (SELECT * FROM t1) DELETE FROM t2 WHERE; } {1 {near ";": syntax error}} do_catchsql_test 6.6 { WITH x AS (SELECT * FROM t1) DELETE FROM t2 WHERE } {/1 {near .* syntax error}/} do_catchsql_test 6.7 { WITH x AS (SELECT * FROM t1) DELETE FROM t2 WHRE 1; } {/1 {near .* syntax error}/} do_catchsql_test 6.8 { WITH x AS (SELECT * FROM t1) UPDATE t2 SET a = 10, b = ; } {/1 {near .* syntax error}/} do_catchsql_test 6.9 { WITH x AS (SELECT * FROM t1) UPDATE t2 SET a = 10, b = 1 WHERE a===b; } {/1 {near .* syntax error}/} do_catchsql_test 6.10 { WITH x(a,b) AS ( SELECT 1, 1 UNION ALL SELECT a*b,a+b FROM x WHERE c=2 ) SELECT * FROM x } {1 {no such column: c}} #------------------------------------------------------------------------- # Recursive queries in IN(...) expressions. # do_execsql_test 7.1 { CREATE TABLE t5(x INTEGER); CREATE TABLE t6(y INTEGER); WITH s(x) AS ( VALUES(7) UNION ALL SELECT x+7 FROM s WHERE x<49 ) INSERT INTO t5 SELECT * FROM s; INSERT INTO t6 WITH s(x) AS ( VALUES(2) UNION ALL SELECT x+2 FROM s WHERE x<49 ) SELECT * FROM s; } do_execsql_test 7.2 { SELECT * FROM t6 WHERE y IN (SELECT x FROM t5) } {14 28 42} do_execsql_test 7.3 { WITH ss AS (SELECT x FROM t5) SELECT * FROM t6 WHERE y IN (SELECT x FROM ss) } {14 28 42} do_execsql_test 7.4 { WITH ss(x) AS ( VALUES(7) UNION ALL SELECT x+7 FROM ss WHERE x<49 ) SELECT * FROM t6 WHERE y IN (SELECT x FROM ss) } {14 28 42} do_execsql_test 7.5 { SELECT * FROM t6 WHERE y IN ( WITH ss(x) AS ( VALUES(7) UNION ALL SELECT x+7 FROM ss WHERE x<49 ) SELECT x FROM ss ) } {14 28 42} finish_test |
Added test/withM.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | # 2014 January 11 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing the WITH clause. # set testdir [file dirname $argv0] source $testdir/tester.tcl source $testdir/malloc_common.tcl set ::testprefix withM ifcapable {!cte} { finish_test return } do_execsql_test 1.0 { CREATE TABLE t1(x INTEGER, y INTEGER); INSERT INTO t1 VALUES(123, 456); } do_faultsim_test withM-1.1 -prep { sqlite3 db test.db } -body { execsql { WITH tmp AS ( SELECT * FROM t1 ) SELECT * FROM tmp; } } -test { faultsim_test_result {0 {123 456}} db close } do_faultsim_test withM-1.2 -prep { sqlite3 db test.db } -body { execsql { WITH w1 AS ( SELECT * FROM t1 ), w2 AS ( WITH w3 AS ( SELECT * FROM w1 ) SELECT * FROM w3 ) SELECT * FROM w2; } } -test { faultsim_test_result {0 {123 456}} db close } do_faultsim_test withM-1.3 -prep { sqlite3 db test.db } -body { execsql { WITH w1(a,b) AS ( SELECT 1, 1 UNION ALL SELECT a+1, b + 2*a + 1 FROM w1 ) SELECT * FROM w1 LIMIT 5; } } -test { faultsim_test_result {0 {1 1 2 4 3 9 4 16 5 25}} db close } finish_test |
Changes to tool/lemon.c.
︙ | ︙ | |||
45 46 47 48 49 50 51 52 53 54 55 56 57 58 | /* ** Compilers are getting increasingly pedantic about type conversions ** as C evolves ever closer to Ada.... To work around the latest problems ** we have to define the following variant of strlen(). */ #define lemonStrlen(X) ((int)strlen(X)) /* a few forward declarations... */ struct rule; struct lemon; struct action; static struct action *Action_new(void); | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | /* ** Compilers are getting increasingly pedantic about type conversions ** as C evolves ever closer to Ada.... To work around the latest problems ** we have to define the following variant of strlen(). */ #define lemonStrlen(X) ((int)strlen(X)) /* ** Compilers are starting to complain about the use of sprintf() and strcpy(), ** saying they are unsafe. So we define our own versions of those routines too. ** ** There are three routines here: lemon_sprintf(), lemon_vsprintf(), and ** lemon_addtext(). The first two are replacements for sprintf() and vsprintf(). ** The third is a helper routine for vsnprintf() that adds texts to the end of a ** buffer, making sure the buffer is always zero-terminated. ** ** The string formatter is a minimal subset of stdlib sprintf() supporting only ** a few simply conversions: ** ** %d ** %s ** %.*s ** */ static void lemon_addtext( char *zBuf, /* The buffer to which text is added */ int *pnUsed, /* Slots of the buffer used so far */ const char *zIn, /* Text to add */ int nIn, /* Bytes of text to add. -1 to use strlen() */ int iWidth /* Field width. Negative to left justify */ ){ if( nIn<0 ) for(nIn=0; zIn[nIn]; nIn++){} while( iWidth>nIn ){ zBuf[(*pnUsed)++] = ' '; iWidth--; } if( nIn==0 ) return; memcpy(&zBuf[*pnUsed], zIn, nIn); *pnUsed += nIn; while( (-iWidth)>nIn ){ zBuf[(*pnUsed)++] = ' '; iWidth++; } zBuf[*pnUsed] = 0; } static int lemon_vsprintf(char *str, const char *zFormat, va_list ap){ int i, j, k, c; int nUsed = 0; const char *z; char zTemp[50]; str[0] = 0; for(i=j=0; (c = zFormat[i])!=0; i++){ if( c=='%' ){ int iWidth = 0; lemon_addtext(str, &nUsed, &zFormat[j], i-j, 0); c = zFormat[++i]; if( isdigit(c) || (c=='-' && isdigit(zFormat[i+1])) ){ if( c=='-' ) i++; while( isdigit(zFormat[i]) ) iWidth = iWidth*10 + zFormat[i++] - '0'; if( c=='-' ) iWidth = -iWidth; c = zFormat[i]; } if( c=='d' ){ int v = va_arg(ap, int); if( v<0 ){ lemon_addtext(str, &nUsed, "-", 1, iWidth); v = -v; }else if( v==0 ){ lemon_addtext(str, &nUsed, "0", 1, iWidth); } k = 0; while( v>0 ){ k++; zTemp[sizeof(zTemp)-k] = (v%10) + '0'; v /= 10; } lemon_addtext(str, &nUsed, &zTemp[sizeof(zTemp)-k], k, iWidth); }else if( c=='s' ){ z = va_arg(ap, const char*); lemon_addtext(str, &nUsed, z, -1, iWidth); }else if( c=='.' && memcmp(&zFormat[i], ".*s", 3)==0 ){ i += 2; k = va_arg(ap, int); z = va_arg(ap, const char*); lemon_addtext(str, &nUsed, z, k, iWidth); }else if( c=='%' ){ lemon_addtext(str, &nUsed, "%", 1, 0); }else{ fprintf(stderr, "illegal format\n"); exit(1); } j = i+1; } } lemon_addtext(str, &nUsed, &zFormat[j], i-j, 0); return nUsed; } static int lemon_sprintf(char *str, const char *format, ...){ va_list ap; int rc; va_start(ap, format); rc = lemon_vsprintf(str, format, ap); va_end(ap); return rc; } static void lemon_strcpy(char *dest, const char *src){ while( (*(dest++) = *(src++))!=0 ){} } static void lemon_strcat(char *dest, const char *src){ while( *dest ) dest++; lemon_strcpy(dest, src); } /* a few forward declarations... */ struct rule; struct lemon; struct action; static struct action *Action_new(void); |
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1363 1364 1365 1366 1367 1368 1369 | } paz = &azDefine[nDefine-1]; *paz = (char *) malloc( lemonStrlen(z)+1 ); if( *paz==0 ){ fprintf(stderr,"out of memory\n"); exit(1); } | | | | 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 | } paz = &azDefine[nDefine-1]; *paz = (char *) malloc( lemonStrlen(z)+1 ); if( *paz==0 ){ fprintf(stderr,"out of memory\n"); exit(1); } lemon_strcpy(*paz, z); for(z=*paz; *z && *z!='='; z++){} *z = 0; } static char *user_templatename = NULL; static void handle_T_option(char *z){ user_templatename = (char *) malloc( lemonStrlen(z)+1 ); if( user_templatename==0 ){ memory_error(); } lemon_strcpy(user_templatename, z); } /* The main program. Parse the command line and do it... */ int main(int argc, char **argv) { static int version = 0; static int rpflag = 0; |
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1443 1444 1445 1446 1447 1448 1449 | if( lem.errorcnt ) exit(lem.errorcnt); if( lem.nrule==0 ){ fprintf(stderr,"Empty grammar.\n"); exit(1); } /* Count and index the symbols of the grammar */ | < > | | | > > > | 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 | if( lem.errorcnt ) exit(lem.errorcnt); if( lem.nrule==0 ){ fprintf(stderr,"Empty grammar.\n"); exit(1); } /* Count and index the symbols of the grammar */ Symbol_new("{default}"); lem.nsymbol = Symbol_count(); lem.symbols = Symbol_arrayof(); for(i=0; i<lem.nsymbol; i++) lem.symbols[i]->index = i; qsort(lem.symbols,lem.nsymbol,sizeof(struct symbol*), Symbolcmpp); for(i=0; i<lem.nsymbol; i++) lem.symbols[i]->index = i; while( lem.symbols[i-1]->type==MULTITERMINAL ){ i--; } assert( strcmp(lem.symbols[i-1]->name,"{default}")==0 ); lem.nsymbol = i - 1; for(i=1; isupper(lem.symbols[i]->name[0]); i++); lem.nterminal = i; /* Generate a reprint of the grammar, if requested on the command line */ if( rpflag ){ Reprint(&lem); }else{ |
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1936 1937 1938 1939 1940 1941 1942 | PRECEDENCE_MARK_1, PRECEDENCE_MARK_2, RESYNC_AFTER_RULE_ERROR, RESYNC_AFTER_DECL_ERROR, WAITING_FOR_DESTRUCTOR_SYMBOL, WAITING_FOR_DATATYPE_SYMBOL, WAITING_FOR_FALLBACK_ID, | | > > > | 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 | PRECEDENCE_MARK_1, PRECEDENCE_MARK_2, RESYNC_AFTER_RULE_ERROR, RESYNC_AFTER_DECL_ERROR, WAITING_FOR_DESTRUCTOR_SYMBOL, WAITING_FOR_DATATYPE_SYMBOL, WAITING_FOR_FALLBACK_ID, WAITING_FOR_WILDCARD_ID, WAITING_FOR_CLASS_ID, WAITING_FOR_CLASS_TOKEN }; struct pstate { char *filename; /* Name of the input file */ int tokenlineno; /* Linenumber at which current token starts */ int errorcnt; /* Number of errors so far */ char *tokenstart; /* Text of current token */ struct lemon *gp; /* Global state vector */ enum e_state state; /* The state of the parser */ struct symbol *fallback; /* The fallback token */ struct symbol *tkclass; /* Token class symbol */ struct symbol *lhs; /* Left-hand side of current rule */ const char *lhsalias; /* Alias for the LHS */ int nrhs; /* Number of right-hand side symbols seen */ struct symbol *rhs[MAXRHS]; /* RHS symbols */ const char *alias[MAXRHS]; /* Aliases for each RHS symbol (or NULL) */ struct rule *prevrule; /* Previous rule parsed */ const char *declkeyword; /* Keyword of a declaration */ |
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2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 | }else if( strcmp(x,"type")==0 ){ psp->state = WAITING_FOR_DATATYPE_SYMBOL; }else if( strcmp(x,"fallback")==0 ){ psp->fallback = 0; psp->state = WAITING_FOR_FALLBACK_ID; }else if( strcmp(x,"wildcard")==0 ){ psp->state = WAITING_FOR_WILDCARD_ID; }else{ ErrorMsg(psp->filename,psp->tokenlineno, "Unknown declaration keyword: \"%%%s\".",x); psp->errorcnt++; psp->state = RESYNC_AFTER_DECL_ERROR; } }else{ | > > | 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 | }else if( strcmp(x,"type")==0 ){ psp->state = WAITING_FOR_DATATYPE_SYMBOL; }else if( strcmp(x,"fallback")==0 ){ psp->fallback = 0; psp->state = WAITING_FOR_FALLBACK_ID; }else if( strcmp(x,"wildcard")==0 ){ psp->state = WAITING_FOR_WILDCARD_ID; }else if( strcmp(x,"token_class")==0 ){ psp->state = WAITING_FOR_CLASS_ID; }else{ ErrorMsg(psp->filename,psp->tokenlineno, "Unknown declaration keyword: \"%%%s\".",x); psp->errorcnt++; psp->state = RESYNC_AFTER_DECL_ERROR; } }else{ |
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2343 2344 2345 2346 2347 2348 2349 | n = nOld + nNew + 20; addLineMacro = !psp->gp->nolinenosflag && psp->insertLineMacro && (psp->decllinenoslot==0 || psp->decllinenoslot[0]!=0); if( addLineMacro ){ for(z=psp->filename, nBack=0; *z; z++){ if( *z=='\\' ) nBack++; } | | | 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 | n = nOld + nNew + 20; addLineMacro = !psp->gp->nolinenosflag && psp->insertLineMacro && (psp->decllinenoslot==0 || psp->decllinenoslot[0]!=0); if( addLineMacro ){ for(z=psp->filename, nBack=0; *z; z++){ if( *z=='\\' ) nBack++; } lemon_sprintf(zLine, "#line %d ", psp->tokenlineno); nLine = lemonStrlen(zLine); n += nLine + lemonStrlen(psp->filename) + nBack; } *psp->declargslot = (char *) realloc(*psp->declargslot, n); zBuf = *psp->declargslot + nOld; if( addLineMacro ){ if( nOld && zBuf[-1]!='\n' ){ |
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2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 | psp->gp->wildcard = sp; }else{ ErrorMsg(psp->filename, psp->tokenlineno, "Extra wildcard to token: %s", x); psp->errorcnt++; } } break; case RESYNC_AFTER_RULE_ERROR: /* if( x[0]=='.' ) psp->state = WAITING_FOR_DECL_OR_RULE; ** break; */ case RESYNC_AFTER_DECL_ERROR: if( x[0]=='.' ) psp->state = WAITING_FOR_DECL_OR_RULE; if( x[0]=='%' ) psp->state = WAITING_FOR_DECL_KEYWORD; | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 | psp->gp->wildcard = sp; }else{ ErrorMsg(psp->filename, psp->tokenlineno, "Extra wildcard to token: %s", x); psp->errorcnt++; } } break; case WAITING_FOR_CLASS_ID: if( !islower(x[0]) ){ ErrorMsg(psp->filename, psp->tokenlineno, "%%token_class must be followed by an identifier: ", x); psp->errorcnt++; psp->state = RESYNC_AFTER_DECL_ERROR; }else if( Symbol_find(x) ){ ErrorMsg(psp->filename, psp->tokenlineno, "Symbol \"%s\" already used", x); psp->errorcnt++; psp->state = RESYNC_AFTER_DECL_ERROR; }else{ psp->tkclass = Symbol_new(x); psp->tkclass->type = MULTITERMINAL; psp->state = WAITING_FOR_CLASS_TOKEN; } break; case WAITING_FOR_CLASS_TOKEN: if( x[0]=='.' ){ psp->state = WAITING_FOR_DECL_OR_RULE; }else if( isupper(x[0]) || ((x[0]=='|' || x[0]=='/') && isupper(x[1])) ){ struct symbol *msp = psp->tkclass; msp->nsubsym++; msp->subsym = (struct symbol **) realloc(msp->subsym, sizeof(struct symbol*)*msp->nsubsym); if( !isupper(x[0]) ) x++; msp->subsym[msp->nsubsym-1] = Symbol_new(x); }else{ ErrorMsg(psp->filename, psp->tokenlineno, "%%token_class argument \"%s\" should be a token", x); psp->errorcnt++; psp->state = RESYNC_AFTER_DECL_ERROR; } break; case RESYNC_AFTER_RULE_ERROR: /* if( x[0]=='.' ) psp->state = WAITING_FOR_DECL_OR_RULE; ** break; */ case RESYNC_AFTER_DECL_ERROR: if( x[0]=='.' ) psp->state = WAITING_FOR_DECL_OR_RULE; if( x[0]=='%' ) psp->state = WAITING_FOR_DECL_KEYWORD; |
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2512 2513 2514 2515 2516 2517 2518 | gp->errorcnt++; return; } fseek(fp,0,2); filesize = ftell(fp); rewind(fp); filebuf = (char *)malloc( filesize+1 ); | | | < | 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 | gp->errorcnt++; return; } fseek(fp,0,2); filesize = ftell(fp); rewind(fp); filebuf = (char *)malloc( filesize+1 ); if( filesize>100000000 || filebuf==0 ){ ErrorMsg(ps.filename,0,"Input file too large."); gp->errorcnt++; fclose(fp); return; } if( fread(filebuf,1,filesize,fp)!=filesize ){ ErrorMsg(ps.filename,0,"Can't read in all %d bytes of this file.", filesize); |
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2712 2713 2714 2715 2716 2717 2718 | char *cp; name = (char*)malloc( lemonStrlen(lemp->filename) + lemonStrlen(suffix) + 5 ); if( name==0 ){ fprintf(stderr,"Can't allocate space for a filename.\n"); exit(1); } | | | | 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 | char *cp; name = (char*)malloc( lemonStrlen(lemp->filename) + lemonStrlen(suffix) + 5 ); if( name==0 ){ fprintf(stderr,"Can't allocate space for a filename.\n"); exit(1); } lemon_strcpy(name,lemp->filename); cp = strrchr(name,'.'); if( cp ) *cp = 0; lemon_strcat(name,suffix); return name; } /* Open a file with a name based on the name of the input file, ** but with a different (specified) suffix, and return a pointer ** to the stream */ PRIVATE FILE *file_open( |
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2772 2773 2774 2775 2776 2777 2778 | } for(rp=lemp->rule; rp; rp=rp->next){ printf("%s",rp->lhs->name); /* if( rp->lhsalias ) printf("(%s)",rp->lhsalias); */ printf(" ::="); for(i=0; i<rp->nrhs; i++){ sp = rp->rhs[i]; | < > > > | 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 | } for(rp=lemp->rule; rp; rp=rp->next){ printf("%s",rp->lhs->name); /* if( rp->lhsalias ) printf("(%s)",rp->lhsalias); */ printf(" ::="); for(i=0; i<rp->nrhs; i++){ sp = rp->rhs[i]; if( sp->type==MULTITERMINAL ){ printf(" %s", sp->subsym[0]->name); for(j=1; j<sp->nsubsym; j++){ printf("|%s", sp->subsym[j]->name); } }else{ printf(" %s", sp->name); } /* if( rp->rhsalias[i] ) printf("(%s)",rp->rhsalias[i]); */ } printf("."); if( rp->precsym ) printf(" [%s]",rp->precsym->name); /* if( rp->code ) printf("\n %s",rp->code); */ printf("\n"); |
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2798 2799 2800 2801 2802 2803 2804 | int i, j; rp = cfp->rp; fprintf(fp,"%s ::=",rp->lhs->name); for(i=0; i<=rp->nrhs; i++){ if( i==cfp->dot ) fprintf(fp," *"); if( i==rp->nrhs ) break; sp = rp->rhs[i]; | < > > > | 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 | int i, j; rp = cfp->rp; fprintf(fp,"%s ::=",rp->lhs->name); for(i=0; i<=rp->nrhs; i++){ if( i==cfp->dot ) fprintf(fp," *"); if( i==rp->nrhs ) break; sp = rp->rhs[i]; if( sp->type==MULTITERMINAL ){ fprintf(fp," %s", sp->subsym[0]->name); for(j=1; j<sp->nsubsym; j++){ fprintf(fp,"|%s",sp->subsym[j]->name); } }else{ fprintf(fp," %s", sp->name); } } } /* #define TEST */ #if 0 /* Print a set */ |
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2912 2913 2914 2915 2916 2917 2918 | stp = lemp->sorted[i]; fprintf(fp,"State %d:\n",stp->statenum); if( lemp->basisflag ) cfp=stp->bp; else cfp=stp->cfp; while( cfp ){ char buf[20]; if( cfp->dot==cfp->rp->nrhs ){ | | | 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 | stp = lemp->sorted[i]; fprintf(fp,"State %d:\n",stp->statenum); if( lemp->basisflag ) cfp=stp->bp; else cfp=stp->cfp; while( cfp ){ char buf[20]; if( cfp->dot==cfp->rp->nrhs ){ lemon_sprintf(buf,"(%d)",cfp->rp->index); fprintf(fp," %5s ",buf); }else{ fprintf(fp," "); } ConfigPrint(fp,cfp); fprintf(fp,"\n"); #if 0 |
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2977 2978 2979 2980 2981 2982 2983 | #else cp = strrchr(argv0,'/'); #endif if( cp ){ c = *cp; *cp = 0; path = (char *)malloc( lemonStrlen(argv0) + lemonStrlen(name) + 2 ); | | | | | 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 | #else cp = strrchr(argv0,'/'); #endif if( cp ){ c = *cp; *cp = 0; path = (char *)malloc( lemonStrlen(argv0) + lemonStrlen(name) + 2 ); if( path ) lemon_sprintf(path,"%s/%s",argv0,name); *cp = c; }else{ pathlist = getenv("PATH"); if( pathlist==0 ) pathlist = ".:/bin:/usr/bin"; pathbuf = (char *) malloc( lemonStrlen(pathlist) + 1 ); path = (char *)malloc( lemonStrlen(pathlist)+lemonStrlen(name)+2 ); if( (pathbuf != 0) && (path!=0) ){ pathbufptr = pathbuf; lemon_strcpy(pathbuf, pathlist); while( *pathbuf ){ cp = strchr(pathbuf,':'); if( cp==0 ) cp = &pathbuf[lemonStrlen(pathbuf)]; c = *cp; *cp = 0; lemon_sprintf(path,"%s/%s",pathbuf,name); *cp = c; if( c==0 ) pathbuf[0] = 0; else pathbuf = &cp[1]; if( access(path,modemask)==0 ) break; } free(pathbufptr); } |
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3083 3084 3085 3086 3087 3088 3089 | return 0; } return in; } cp = strrchr(lemp->filename,'.'); if( cp ){ | | | | 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 | return 0; } return in; } cp = strrchr(lemp->filename,'.'); if( cp ){ lemon_sprintf(buf,"%.*s.lt",(int)(cp-lemp->filename),lemp->filename); }else{ lemon_sprintf(buf,"%s.lt",lemp->filename); } if( access(buf,004)==0 ){ tpltname = buf; }else if( access(templatename,004)==0 ){ tpltname = templatename; }else{ tpltname = pathsearch(lemp->argv0,templatename,0); |
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3236 3237 3238 3239 3240 3241 3242 | alloced = n + sizeof(zInt)*2 + used + 200; z = (char *) realloc(z, alloced); } if( z==0 ) return empty; while( n-- > 0 ){ c = *(zText++); if( c=='%' && n>0 && zText[0]=='d' ){ | | | | 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 | alloced = n + sizeof(zInt)*2 + used + 200; z = (char *) realloc(z, alloced); } if( z==0 ) return empty; while( n-- > 0 ){ c = *(zText++); if( c=='%' && n>0 && zText[0]=='d' ){ lemon_sprintf(zInt, "%d", p1); p1 = p2; lemon_strcpy(&z[used], zInt); used += lemonStrlen(&z[used]); zText++; n--; }else{ z[used++] = c; } } |
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3463 3464 3465 3466 3467 3468 3469 | if( types[hash]==0 ){ sp->dtnum = hash + 1; types[hash] = (char*)malloc( lemonStrlen(stddt)+1 ); if( types[hash]==0 ){ fprintf(stderr,"Out of memory.\n"); exit(1); } | | | 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 | if( types[hash]==0 ){ sp->dtnum = hash + 1; types[hash] = (char*)malloc( lemonStrlen(stddt)+1 ); if( types[hash]==0 ){ fprintf(stderr,"Out of memory.\n"); exit(1); } lemon_strcpy(types[hash],stddt); } } /* Print out the definition of YYTOKENTYPE and YYMINORTYPE */ name = lemp->name ? lemp->name : "Parse"; lineno = *plineno; if( mhflag ){ fprintf(out,"#if INTERFACE\n"); lineno++; } |
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3549 3550 3551 3552 3553 3554 3555 | ** Write text on "out" that describes the rule "rp". */ static void writeRuleText(FILE *out, struct rule *rp){ int j; fprintf(out,"%s ::=", rp->lhs->name); for(j=0; j<rp->nrhs; j++){ struct symbol *sp = rp->rhs[j]; | > | < > > | 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 | ** Write text on "out" that describes the rule "rp". */ static void writeRuleText(FILE *out, struct rule *rp){ int j; fprintf(out,"%s ::=", rp->lhs->name); for(j=0; j<rp->nrhs; j++){ struct symbol *sp = rp->rhs[j]; if( sp->type!=MULTITERMINAL ){ fprintf(out," %s", sp->name); }else{ int k; fprintf(out," %s", sp->subsym[0]->name); for(k=1; k<sp->nsubsym; k++){ fprintf(out,"|%s",sp->subsym[k]->name); } } } } |
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3852 3853 3854 3855 3856 3857 3858 | } } tplt_xfer(lemp->name, in, out, &lineno); /* Generate a table containing the symbolic name of every symbol */ for(i=0; i<lemp->nsymbol; i++){ | | | 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 | } } tplt_xfer(lemp->name, in, out, &lineno); /* Generate a table containing the symbolic name of every symbol */ for(i=0; i<lemp->nsymbol; i++){ lemon_sprintf(line,"\"%s\",",lemp->symbols[i]->name); fprintf(out," %-15s",line); if( (i&3)==3 ){ fprintf(out,"\n"); lineno++; } } if( (i&3)!=0 ){ fprintf(out,"\n"); lineno++; } tplt_xfer(lemp->name,in,out,&lineno); /* Generate a table containing a text string that describes every |
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4019 4020 4021 4022 4023 4024 4025 | if( lemp->tokenprefix ) prefix = lemp->tokenprefix; else prefix = ""; in = file_open(lemp,".h","rb"); if( in ){ int nextChar; for(i=1; i<lemp->nterminal && fgets(line,LINESIZE,in); i++){ | > | | | 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 | if( lemp->tokenprefix ) prefix = lemp->tokenprefix; else prefix = ""; in = file_open(lemp,".h","rb"); if( in ){ int nextChar; for(i=1; i<lemp->nterminal && fgets(line,LINESIZE,in); i++){ lemon_sprintf(pattern,"#define %s%-30s %3d\n", prefix,lemp->symbols[i]->name,i); if( strcmp(line,pattern) ) break; } nextChar = fgetc(in); fclose(in); if( i==lemp->nterminal && nextChar==EOF ){ /* No change in the file. Don't rewrite it. */ return; } } out = file_open(lemp,".h","wb"); if( out ){ for(i=1; i<lemp->nterminal; i++){ fprintf(out,"#define %s%-30s %3d\n",prefix,lemp->symbols[i]->name,i); } fclose(out); } return; } /* Reduce the size of the action tables, if possible, by making use |
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4249 4250 4251 4252 4253 4254 4255 | { const char *z; char *cpy; if( y==0 ) return 0; z = Strsafe_find(y); if( z==0 && (cpy=(char *)malloc( lemonStrlen(y)+1 ))!=0 ){ | | | 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 | { const char *z; char *cpy; if( y==0 ) return 0; z = Strsafe_find(y); if( z==0 && (cpy=(char *)malloc( lemonStrlen(y)+1 ))!=0 ){ lemon_strcpy(cpy,y); z = cpy; Strsafe_insert(z); } MemoryCheck(z); return z; } |
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4288 4289 4290 4291 4292 4293 4294 | /* Allocate a new associative array */ void Strsafe_init(){ if( x1a ) return; x1a = (struct s_x1*)malloc( sizeof(struct s_x1) ); if( x1a ){ x1a->size = 1024; x1a->count = 0; | | < | 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 | /* Allocate a new associative array */ void Strsafe_init(){ if( x1a ) return; x1a = (struct s_x1*)malloc( sizeof(struct s_x1) ); if( x1a ){ x1a->size = 1024; x1a->count = 0; x1a->tbl = (x1node*)calloc(1024, sizeof(x1node) + sizeof(x1node*)); if( x1a->tbl==0 ){ free(x1a); x1a = 0; }else{ int i; x1a->ht = (x1node**)&(x1a->tbl[1024]); for(i=0; i<1024; i++) x1a->ht[i] = 0; |
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4326 4327 4328 4329 4330 4331 4332 | } if( x1a->count>=x1a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x1 array; array.size = size = x1a->size*2; array.count = x1a->count; | | < | 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 | } if( x1a->count>=x1a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x1 array; array.size = size = x1a->size*2; array.count = x1a->count; array.tbl = (x1node*)calloc(size, sizeof(x1node) + sizeof(x1node*)); if( array.tbl==0 ) return 0; /* Fail due to malloc failure */ array.ht = (x1node**)&(array.tbl[size]); for(i=0; i<size; i++) array.ht[i] = 0; for(i=0; i<x1a->count; i++){ x1node *oldnp, *newnp; oldnp = &(x1a->tbl[i]); h = strhash(oldnp->data) & (size-1); |
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4402 4403 4404 4405 4406 4407 4408 | sp->useCnt = 0; Symbol_insert(sp,sp->name); } sp->useCnt++; return sp; } | | > > > > | | | | | < | | 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 | sp->useCnt = 0; Symbol_insert(sp,sp->name); } sp->useCnt++; return sp; } /* Compare two symbols for sorting purposes. Return negative, ** zero, or positive if a is less then, equal to, or greater ** than b. ** ** Symbols that begin with upper case letters (terminals or tokens) ** must sort before symbols that begin with lower case letters ** (non-terminals). And MULTITERMINAL symbols (created using the ** %token_class directive) must sort at the very end. Other than ** that, the order does not matter. ** ** We find experimentally that leaving the symbols in their original ** order (the order they appeared in the grammar file) gives the ** smallest parser tables in SQLite. */ int Symbolcmpp(const void *_a, const void *_b) { const struct symbol *a = *(const struct symbol **) _a; const struct symbol *b = *(const struct symbol **) _b; int i1 = a->type==MULTITERMINAL ? 3 : a->name[0]>'Z' ? 2 : 1; int i2 = b->type==MULTITERMINAL ? 3 : b->name[0]>'Z' ? 2 : 1; return i1==i2 ? a->index - b->index : i1 - i2; } /* There is one instance of the following structure for each ** associative array of type "x2". */ struct s_x2 { int size; /* The number of available slots. */ |
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4454 4455 4456 4457 4458 4459 4460 | /* Allocate a new associative array */ void Symbol_init(){ if( x2a ) return; x2a = (struct s_x2*)malloc( sizeof(struct s_x2) ); if( x2a ){ x2a->size = 128; x2a->count = 0; | | < | 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 | /* Allocate a new associative array */ void Symbol_init(){ if( x2a ) return; x2a = (struct s_x2*)malloc( sizeof(struct s_x2) ); if( x2a ){ x2a->size = 128; x2a->count = 0; x2a->tbl = (x2node*)calloc(128, sizeof(x2node) + sizeof(x2node*)); if( x2a->tbl==0 ){ free(x2a); x2a = 0; }else{ int i; x2a->ht = (x2node**)&(x2a->tbl[128]); for(i=0; i<128; i++) x2a->ht[i] = 0; |
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4492 4493 4494 4495 4496 4497 4498 | } if( x2a->count>=x2a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x2 array; array.size = size = x2a->size*2; array.count = x2a->count; | | < | 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 | } if( x2a->count>=x2a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x2 array; array.size = size = x2a->size*2; array.count = x2a->count; array.tbl = (x2node*)calloc(size, sizeof(x2node) + sizeof(x2node*)); if( array.tbl==0 ) return 0; /* Fail due to malloc failure */ array.ht = (x2node**)&(array.tbl[size]); for(i=0; i<size; i++) array.ht[i] = 0; for(i=0; i<x2a->count; i++){ x2node *oldnp, *newnp; oldnp = &(x2a->tbl[i]); h = strhash(oldnp->key) & (size-1); |
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4653 4654 4655 4656 4657 4658 4659 | /* Allocate a new associative array */ void State_init(){ if( x3a ) return; x3a = (struct s_x3*)malloc( sizeof(struct s_x3) ); if( x3a ){ x3a->size = 128; x3a->count = 0; | | < | 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 | /* Allocate a new associative array */ void State_init(){ if( x3a ) return; x3a = (struct s_x3*)malloc( sizeof(struct s_x3) ); if( x3a ){ x3a->size = 128; x3a->count = 0; x3a->tbl = (x3node*)calloc(128, sizeof(x3node) + sizeof(x3node*)); if( x3a->tbl==0 ){ free(x3a); x3a = 0; }else{ int i; x3a->ht = (x3node**)&(x3a->tbl[128]); for(i=0; i<128; i++) x3a->ht[i] = 0; |
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4691 4692 4693 4694 4695 4696 4697 | } if( x3a->count>=x3a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x3 array; array.size = size = x3a->size*2; array.count = x3a->count; | | < | 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 | } if( x3a->count>=x3a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x3 array; array.size = size = x3a->size*2; array.count = x3a->count; array.tbl = (x3node*)calloc(size, sizeof(x3node) + sizeof(x3node*)); if( array.tbl==0 ) return 0; /* Fail due to malloc failure */ array.ht = (x3node**)&(array.tbl[size]); for(i=0; i<size; i++) array.ht[i] = 0; for(i=0; i<x3a->count; i++){ x3node *oldnp, *newnp; oldnp = &(x3a->tbl[i]); h = statehash(oldnp->key) & (size-1); |
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4749 4750 4751 4752 4753 4754 4755 | ** problems, or if the array is empty. */ struct state **State_arrayof() { struct state **array; int i,size; if( x3a==0 ) return 0; size = x3a->count; | | | 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 | ** problems, or if the array is empty. */ struct state **State_arrayof() { struct state **array; int i,size; if( x3a==0 ) return 0; size = x3a->count; array = (struct state **)calloc(size, sizeof(struct state *)); if( array ){ for(i=0; i<size; i++) array[i] = x3a->tbl[i].data; } return array; } /* Hash a configuration */ |
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4795 4796 4797 4798 4799 4800 4801 | /* Allocate a new associative array */ void Configtable_init(){ if( x4a ) return; x4a = (struct s_x4*)malloc( sizeof(struct s_x4) ); if( x4a ){ x4a->size = 64; x4a->count = 0; | | < | 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 | /* Allocate a new associative array */ void Configtable_init(){ if( x4a ) return; x4a = (struct s_x4*)malloc( sizeof(struct s_x4) ); if( x4a ){ x4a->size = 64; x4a->count = 0; x4a->tbl = (x4node*)calloc(64, sizeof(x4node) + sizeof(x4node*)); if( x4a->tbl==0 ){ free(x4a); x4a = 0; }else{ int i; x4a->ht = (x4node**)&(x4a->tbl[64]); for(i=0; i<64; i++) x4a->ht[i] = 0; |
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4833 4834 4835 4836 4837 4838 4839 | } if( x4a->count>=x4a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x4 array; array.size = size = x4a->size*2; array.count = x4a->count; | | < | 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 | } if( x4a->count>=x4a->size ){ /* Need to make the hash table bigger */ int i,size; struct s_x4 array; array.size = size = x4a->size*2; array.count = x4a->count; array.tbl = (x4node*)calloc(size, sizeof(x4node) + sizeof(x4node*)); if( array.tbl==0 ) return 0; /* Fail due to malloc failure */ array.ht = (x4node**)&(array.tbl[size]); for(i=0; i<size; i++) array.ht[i] = 0; for(i=0; i<x4a->count; i++){ x4node *oldnp, *newnp; oldnp = &(x4a->tbl[i]); h = confighash(oldnp->data) & (size-1); |
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Changes to tool/mkkeywordhash.c.
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134 135 136 137 138 139 140 141 142 143 144 145 146 147 | # define VTAB 0x00010000 #endif #ifdef SQLITE_OMIT_AUTOVACUUM # define AUTOVACUUM 0 #else # define AUTOVACUUM 0x00020000 #endif /* ** These are the keywords */ static Keyword aKeywordTable[] = { { "ABORT", "TK_ABORT", CONFLICT|TRIGGER }, { "ACTION", "TK_ACTION", FKEY }, | > > > > > | 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | # define VTAB 0x00010000 #endif #ifdef SQLITE_OMIT_AUTOVACUUM # define AUTOVACUUM 0 #else # define AUTOVACUUM 0x00020000 #endif #ifdef SQLITE_OMIT_CTE # define CTE 0 #else # define CTE 0x00040000 #endif /* ** These are the keywords */ static Keyword aKeywordTable[] = { { "ABORT", "TK_ABORT", CONFLICT|TRIGGER }, { "ACTION", "TK_ACTION", FKEY }, |
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230 231 232 233 234 235 236 237 238 239 240 241 242 243 | { "ORDER", "TK_ORDER", ALWAYS }, { "OUTER", "TK_JOIN_KW", ALWAYS }, { "PLAN", "TK_PLAN", EXPLAIN }, { "PRAGMA", "TK_PRAGMA", PRAGMA }, { "PRIMARY", "TK_PRIMARY", ALWAYS }, { "QUERY", "TK_QUERY", EXPLAIN }, { "RAISE", "TK_RAISE", TRIGGER }, { "REFERENCES", "TK_REFERENCES", FKEY }, { "REGEXP", "TK_LIKE_KW", ALWAYS }, { "REINDEX", "TK_REINDEX", REINDEX }, { "RELEASE", "TK_RELEASE", ALWAYS }, { "RENAME", "TK_RENAME", ALTER }, { "REPLACE", "TK_REPLACE", CONFLICT }, { "RESTRICT", "TK_RESTRICT", FKEY }, | > | 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 | { "ORDER", "TK_ORDER", ALWAYS }, { "OUTER", "TK_JOIN_KW", ALWAYS }, { "PLAN", "TK_PLAN", EXPLAIN }, { "PRAGMA", "TK_PRAGMA", PRAGMA }, { "PRIMARY", "TK_PRIMARY", ALWAYS }, { "QUERY", "TK_QUERY", EXPLAIN }, { "RAISE", "TK_RAISE", TRIGGER }, { "RECURSIVE", "TK_RECURSIVE", CTE }, { "REFERENCES", "TK_REFERENCES", FKEY }, { "REGEXP", "TK_LIKE_KW", ALWAYS }, { "REINDEX", "TK_REINDEX", REINDEX }, { "RELEASE", "TK_RELEASE", ALWAYS }, { "RENAME", "TK_RENAME", ALTER }, { "REPLACE", "TK_REPLACE", CONFLICT }, { "RESTRICT", "TK_RESTRICT", FKEY }, |
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258 259 260 261 262 263 264 265 266 267 268 269 270 271 | { "UNIQUE", "TK_UNIQUE", ALWAYS }, { "UPDATE", "TK_UPDATE", ALWAYS }, { "USING", "TK_USING", ALWAYS }, { "VACUUM", "TK_VACUUM", VACUUM }, { "VALUES", "TK_VALUES", ALWAYS }, { "VIEW", "TK_VIEW", VIEW }, { "VIRTUAL", "TK_VIRTUAL", VTAB }, { "WITHOUT", "TK_WITHOUT", ALWAYS }, { "WHEN", "TK_WHEN", ALWAYS }, { "WHERE", "TK_WHERE", ALWAYS }, }; /* Number of keywords */ static int nKeyword = (sizeof(aKeywordTable)/sizeof(aKeywordTable[0])); | > | 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 | { "UNIQUE", "TK_UNIQUE", ALWAYS }, { "UPDATE", "TK_UPDATE", ALWAYS }, { "USING", "TK_USING", ALWAYS }, { "VACUUM", "TK_VACUUM", VACUUM }, { "VALUES", "TK_VALUES", ALWAYS }, { "VIEW", "TK_VIEW", VIEW }, { "VIRTUAL", "TK_VIRTUAL", VTAB }, { "WITH", "TK_WITH", CTE }, { "WITHOUT", "TK_WITHOUT", ALWAYS }, { "WHEN", "TK_WHEN", ALWAYS }, { "WHERE", "TK_WHERE", ALWAYS }, }; /* Number of keywords */ static int nKeyword = (sizeof(aKeywordTable)/sizeof(aKeywordTable[0])); |
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