diff options
-rw-r--r-- | ext/fts5/fts5_main.c | 34 | ||||
-rw-r--r-- | ext/fts5/test/fts5colset.test | 2 | ||||
-rw-r--r-- | ext/fts5/test/fts5misc.test | 31 | ||||
-rw-r--r-- | manifest | 23 | ||||
-rw-r--r-- | manifest.uuid | 2 | ||||
-rw-r--r-- | src/test_bestindex.c | 24 | ||||
-rw-r--r-- | src/where.c | 178 | ||||
-rw-r--r-- | test/bestindexC.test | 139 |
8 files changed, 323 insertions, 110 deletions
diff --git a/ext/fts5/fts5_main.c b/ext/fts5/fts5_main.c index eca6db572..0a272ccca 100644 --- a/ext/fts5/fts5_main.c +++ b/ext/fts5/fts5_main.c @@ -533,10 +533,10 @@ static int fts5UsePatternMatch( ** This function ensures that there is at most one "r" or "=". And that if ** there exists an "=" then there is no "<" or ">". ** -** Costs are assigned as follows: +** If an unusable MATCH operator is present in the WHERE clause, then +** SQLITE_CONSTRAINT is returned. ** -** a) If an unusable MATCH operator is present in the WHERE clause, the -** cost is unconditionally set to 1e50 (a really big number). +** Costs are assigned as follows: ** ** a) If a MATCH operator is present, the cost depends on the other ** constraints also present. As follows: @@ -569,7 +569,7 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ int bSeenEq = 0; int bSeenGt = 0; int bSeenLt = 0; - int bSeenMatch = 0; + int nSeenMatch = 0; int bSeenRank = 0; @@ -600,18 +600,15 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ /* A MATCH operator or equivalent */ if( p->usable==0 || iCol<0 ){ /* As there exists an unusable MATCH constraint this is an - ** unusable plan. Set a prohibitively high cost. */ - pInfo->estimatedCost = 1e50; - assert( iIdxStr < pInfo->nConstraint*6 + 1 ); - idxStr[iIdxStr] = 0; - return SQLITE_OK; + ** unusable plan. Return SQLITE_CONSTRAINT. */ + return SQLITE_CONSTRAINT; }else{ if( iCol==nCol+1 ){ if( bSeenRank ) continue; idxStr[iIdxStr++] = 'r'; bSeenRank = 1; }else if( iCol>=0 ){ - bSeenMatch = 1; + nSeenMatch++; idxStr[iIdxStr++] = 'M'; sqlite3_snprintf(6, &idxStr[iIdxStr], "%d", iCol); idxStr += strlen(&idxStr[iIdxStr]); @@ -628,7 +625,7 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ idxStr += strlen(&idxStr[iIdxStr]); pInfo->aConstraintUsage[i].argvIndex = ++iCons; assert( idxStr[iIdxStr]=='\0' ); - bSeenMatch = 1; + nSeenMatch++; }else if( bSeenEq==0 && p->op==SQLITE_INDEX_CONSTRAINT_EQ && iCol<0 ){ idxStr[iIdxStr++] = '='; bSeenEq = 1; @@ -665,7 +662,7 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ */ if( pInfo->nOrderBy==1 ){ int iSort = pInfo->aOrderBy[0].iColumn; - if( iSort==(pConfig->nCol+1) && bSeenMatch ){ + if( iSort==(pConfig->nCol+1) && nSeenMatch>0 ){ idxFlags |= FTS5_BI_ORDER_RANK; }else if( iSort==-1 && (!pInfo->aOrderBy[0].desc || !pConfig->bTokendata) ){ idxFlags |= FTS5_BI_ORDER_ROWID; @@ -680,14 +677,17 @@ static int fts5BestIndexMethod(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){ /* Calculate the estimated cost based on the flags set in idxFlags. */ if( bSeenEq ){ - pInfo->estimatedCost = bSeenMatch ? 100.0 : 10.0; - if( bSeenMatch==0 ) fts5SetUniqueFlag(pInfo); + pInfo->estimatedCost = nSeenMatch ? 1000.0 : 10.0; + if( nSeenMatch==0 ) fts5SetUniqueFlag(pInfo); }else if( bSeenLt && bSeenGt ){ - pInfo->estimatedCost = bSeenMatch ? 500.0 : 250000.0; + pInfo->estimatedCost = nSeenMatch ? 5000.0 : 250000.0; }else if( bSeenLt || bSeenGt ){ - pInfo->estimatedCost = bSeenMatch ? 750.0 : 750000.0; + pInfo->estimatedCost = nSeenMatch ? 7500.0 : 750000.0; }else{ - pInfo->estimatedCost = bSeenMatch ? 1000.0 : 1000000.0; + pInfo->estimatedCost = nSeenMatch ? 10000.0 : 1000000.0; + } + for(i=1; i<nSeenMatch; i++){ + pInfo->estimatedCost *= 0.4; } pInfo->idxNum = idxFlags; diff --git a/ext/fts5/test/fts5colset.test b/ext/fts5/test/fts5colset.test index 7243743b5..e5429572c 100644 --- a/ext/fts5/test/fts5colset.test +++ b/ext/fts5/test/fts5colset.test @@ -79,7 +79,7 @@ foreach_detail_mode $::testprefix { do_catchsql_test 4.1 { SELECT * FROM t1 WHERE rowid MATCH 'a' - } {1 {unable to use function MATCH in the requested context}} + } {1 {no query solution}} } #------------------------------------------------------------------------- diff --git a/ext/fts5/test/fts5misc.test b/ext/fts5/test/fts5misc.test index 4e4fe4ba2..e4903d067 100644 --- a/ext/fts5/test/fts5misc.test +++ b/ext/fts5/test/fts5misc.test @@ -535,5 +535,36 @@ do_execsql_test 19.0 { COMMIT; } +#------------------------------------------------------------------------- +reset_db +do_execsql_test 20.0 { + CREATE VIRTUAL TABLE x1 USING fts5(a); + INSERT INTO x1(rowid, a) VALUES + (1, 'a b c d'), + (2, 'x b c d'), + (3, 'x y z d'), + (4, 'a y c x'); +} + +do_execsql_test 20.1 { + SELECT rowid FROM x1 WHERE x1 MATCH 'a' AND x1 MATCH 'b'; +} {1} + +do_execsql_test 20.2 { + SELECT rowid FROM x1 WHERE x1 MATCH 'a' AND x1 MATCH 'y'; +} {4} + +do_execsql_test 20.3 { + SELECT rowid FROM x1 WHERE x1 MATCH 'a' OR x1 MATCH 'y'; +} {1 4 3} + +do_execsql_test 20.4 { + SELECT rowid FROM x1 WHERE x1 MATCH 'a' OR (x1 MATCH 'y' AND x1 MATCH 'd'); +} {1 4 3} + +do_execsql_test 20.5 { + SELECT rowid FROM x1 WHERE x1 MATCH 'z' OR (x1 MATCH 'a' AND x1 MATCH 'd'); +} {3 1} + finish_test @@ -1,5 +1,5 @@ -C Fix\sa\scouple\sof\smemory\sleaks\sin\sthe\sshell\stool\scode\sthat\scould\soccur\swhen\sprocessing\serrors. -D 2024-06-04T15:07:38.217 +C Better\shandle\sWHERE\sterms\sthat\sare\scommon\sto\stwo\sor\smore\sOR\sbranches\swhen\splanning\svirtual\stable\squeries. +D 2024-06-04T17:26:15.006 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724 @@ -100,7 +100,7 @@ F ext/fts5/fts5_config.c 1ae512e7374caca6ab250055b3b29e46b007a27b098eafcc7ff4d13 F ext/fts5/fts5_expr.c 85789f6fb01995f2578b60a360057ed754335a890b1ab2e57e238b3670a9ae6c F ext/fts5/fts5_hash.c adda4272be401566a6e0ba1acbe70ee5cb97fce944bc2e04dc707152a0ec91b1 F ext/fts5/fts5_index.c ee0f4d50bc0c58a7c5ef7d645e7e38e1e59315b8ea9d722ae00c5f949ee65379 -F ext/fts5/fts5_main.c ac3aaf0c885cf4e274c0c09ece632e17ff2fce01f2c9c0f4c50ffbbb3e267bde +F ext/fts5/fts5_main.c b1538b39182be8f2b6b1807c1ad426e0e5710e3ee2dcaeb7d0ae2b751103c237 F ext/fts5/fts5_storage.c f9e31b0d155e9b2c92d5d3a09ad7a56b937fbf1c7f962e10f4ca6281349f3934 F ext/fts5/fts5_tcl.c fdf7e2bb9a9186cfcaf2d2ce11d338309342b7a7593c2812bc54455db53da5d2 F ext/fts5/fts5_test_mi.c 08c11ec968148d4cb4119d96d819f8c1f329812c568bac3684f5464be177d3ee @@ -133,7 +133,7 @@ F ext/fts5/test/fts5bigpl.test 6466c89b38439f0aba26ac09e232a6b963f29b1cbe1304f6a F ext/fts5/test/fts5bigtok.test 541119e616c637caea925a8c028c37c2c29e94383e00aa2f9198d530724b6e36 F ext/fts5/test/fts5cat.test daba0b80659460b0cb60bd1f40b402478a761fe7ea414c3c94c2be25568cc33a F ext/fts5/test/fts5circref.test f880dfd0d99f6fb73b88ccacb0927d18e833672fd906cc47d6b4e529419eaa62 -F ext/fts5/test/fts5colset.test 7031ce84fb4d312df5a99fc4e7b324e660ccb513c97eccdef469bfd52d3d0f8f +F ext/fts5/test/fts5colset.test 544f4998cdbfe06a3123887fc0221612e8aa8192cdaff152872f1aadb10e6897 F ext/fts5/test/fts5columnsize.test 45459ce4dd9fd853b6044cdc9674921bff89e3d840f348ca8c1630f9edbf5482 F ext/fts5/test/fts5config.test 60094712debc59286c59aef0e6cf511c37d866802776a825ce437d26afe0817f F ext/fts5/test/fts5conflict.test bf6030a77dbb1bedfcc42e589ed7980846c995765d77460551e448b56d741244 @@ -186,7 +186,7 @@ F ext/fts5/test/fts5limits.test 8ab67cf5d311c124b6ceb0062d0297767176df4572d955fc F ext/fts5/test/fts5matchinfo.test 10c9a6f7fe61fb132299c4183c012770b10c4d5c2f2edb6df0b6607f683d737a F ext/fts5/test/fts5merge.test e92a8db28b45931e7a9c7b1bbd36101692759d00274df74d83fd29d25d53b3a6 F ext/fts5/test/fts5merge2.test 3ebad1a59d6ad3fb66eff6523a09e95dc6367cbefb3cd73196801dea0425c8e2 -F ext/fts5/test/fts5misc.test 89dc46e37951b7f6653809f4abf6b1ca2f1fa62259efaf719339288f76fb6be9 +F ext/fts5/test/fts5misc.test b88aa28ff20238b394495b0795cddca1a62b98fa09b99e462a8abc572d04ee88 F ext/fts5/test/fts5multi.test a15bc91cdb717492e6e1b66fec1c356cb57386b980c7ba5af1915f97fe878581 F ext/fts5/test/fts5multiclient.test 5ff811c028d6108045ffef737f1e9f05028af2458e456c0937c1d1b8dea56d45 F ext/fts5/test/fts5near.test 211477940142d733ac04fad97cb24095513ab2507073a99c2765c3ddd2ef58bd @@ -776,7 +776,7 @@ F src/test9.c 12e5ba554d2d1cbe0158f6ab3f7ffcd7a86ee4e5 F src/test_async.c 195ab49da082053fdb0f949c114b806a49ca770a F src/test_autoext.c 915d245e736652a219a907909bb6710f0d587871 F src/test_backup.c bf5da90c9926df0a4b941f2d92825a01bbe090a0 -F src/test_bestindex.c 770429c434221afe6216ec81fe4c00ad3bbdad1d5e64576aa613ffb7c5a984f0 +F src/test_bestindex.c 1b5a1407b66c5caa67cfe1d93d96de5ec5d9d516bc69eb512482f85c037858c3 F src/test_blob.c ae4a0620b478548afb67963095a7417cd06a4ec0a56adb453542203bfdcb31ce F src/test_btree.c 8b2dc8b8848cf3a4db93f11578f075e82252a274 F src/test_config.c 5fa77ee6064ba546e144c4fea870c5ede2c54314616f81485c6a9c4192100c75 @@ -840,7 +840,7 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9 F src/wal.c 887fc4ca3f020ebb2e376f222069570834ac63bf50111ef0cbf3ae417048ed89 F src/wal.h ba252daaa94f889f4b2c17c027e823d9be47ce39da1d3799886bbd51f0490452 F src/walker.c 7c7ea0115345851c3da4e04e2e239a29983b61fb5b038b94eede6aba462640e2 -F src/where.c 593d28d3776985733da0f09639100003b444a43db7b6f9a35139f544fdbea358 +F src/where.c 343e74d65856665f2aac59a9fcefecfc988e9af4aafa0bd1b8332a89c6c725b4 F src/whereInt.h 002adc3aa2cc10733b9b27958fdbe893987cd989fab25a9853941c1f9b9b0a65 F src/wherecode.c 5ad509221ebb4d3b35a8a6ef361f2c5b54129b8c273aa434dd3053d2e25d1794 F src/whereexpr.c 67d15caf88a1a9528283d68ff578e024cf9fe810b517bb0343e5aaf695ad97dd @@ -940,7 +940,7 @@ F test/bestindex8.test b63a4f171a2c83d481bb14c431a8b72e85d27b2ffdaa0435a95d58ca9 F test/bestindex9.test 1a4b93db117fd8abe74ae9be982f86aa72f01e60cd4ac541e6ede39673a451a0 F test/bestindexA.test e1b5def6b190797cacf008e6815ffb78fb30261999030d60a728d572eef44c7f F test/bestindexB.test 328b97b69cd1a20928d5997f9ecb04d2e00f1d18e19ab27f9e9adb44d7bc51ce -F test/bestindexC.test 9e6f184be080fd9c4605a7e5c7097eed1a259372f9af78151c37b072a9086f86 +F test/bestindexC.test 2df6ada16d8f00d9bb6a9664d9c323560aeed0e0ebc7a32b99d85d70037fd250 F test/between.test b9a65fb065391980119e8a781a7409d3fcf059d89968279c750e190a9a1d5263 F test/bigfile.test aa74f4e5db51c8e54a1d9de9fa65d01d1eb20b59 F test/bigfile2.test 1b489a3a39ae90c7f027b79110d6b4e1dbc71bfc @@ -2194,8 +2194,9 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 -P afa45c4f5afc9248ca4a1e775404a460280bb9a58a92eae508ae00fb2f675dc6 -R 332c194faf67e4e5d499e21ef0877039 +P e84f09d469ee76a5b5e44baf6a69b90c69d4160fa4c32de04a96f868643acd96 85dcd0a8479a658203833cfd75f22813faa26d4793ebfbb8843035d683bee105 +R ef252a4e30665afc837737e2dd6e6acf +T +closed 85dcd0a8479a658203833cfd75f22813faa26d4793ebfbb8843035d683bee105 U dan -Z 25f8afeca77d9ed28a678ff29d2afdb8 +Z 63031e840e155842bdee98d1a8498c9b # Remove this line to create a well-formed Fossil manifest. diff --git a/manifest.uuid b/manifest.uuid index b9aace032..1764cb4c8 100644 --- a/manifest.uuid +++ b/manifest.uuid @@ -1 +1 @@ -e84f09d469ee76a5b5e44baf6a69b90c69d4160fa4c32de04a96f868643acd96
\ No newline at end of file +1976c3f7e1fe77cf3367710e8ada230a3672ed374e316425164e42b2622526c7
\ No newline at end of file diff --git a/src/test_bestindex.c b/src/test_bestindex.c index 0e1e86a81..c89cab2e3 100644 --- a/src/test_bestindex.c +++ b/src/test_bestindex.c @@ -305,11 +305,9 @@ static int tclFilter( Tcl_IncrRefCount(pScript); Tcl_ListObjAppendElement(interp, pScript, Tcl_NewStringObj("xFilter", -1)); Tcl_ListObjAppendElement(interp, pScript, Tcl_NewIntObj(idxNum)); - if( idxStr ){ - Tcl_ListObjAppendElement(interp, pScript, Tcl_NewStringObj(idxStr, -1)); - }else{ - Tcl_ListObjAppendElement(interp, pScript, Tcl_NewStringObj("", -1)); - } + Tcl_ListObjAppendElement( + interp, pScript, Tcl_NewStringObj(idxStr ? idxStr : "", -1) + ); pArg = Tcl_NewObj(); Tcl_IncrRefCount(pArg); @@ -530,6 +528,7 @@ static int SQLITE_TCLAPI testBestIndexObj( "distinct", /* 3 */ "in", /* 4 */ "rhs_value", /* 5 */ + "collation", /* 6 */ 0 }; int ii; @@ -610,6 +609,17 @@ static int SQLITE_TCLAPI testBestIndexObj( Tcl_SetObjResult(interp, Tcl_NewStringObj(zVal, -1)); break; } + + case 6: assert( sqlite3_stricmp(azSub[ii], "collation")==0 ); { + int iCons = 0; + const char *zColl = ""; + if( Tcl_GetIntFromObj(interp, objv[2], &iCons) ){ + return TCL_ERROR; + } + zColl = sqlite3_vtab_collation(pIdxInfo, iCons); + Tcl_SetObjResult(interp, Tcl_NewStringObj(zColl, -1)); + break; + } } return TCL_OK; @@ -700,6 +710,10 @@ static int tclBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){ pIdxInfo->aConstraintUsage[iCons].omit = bOmit; } } + }else + if( sqlite3_stricmp("constraint", zCmd)==0 ){ + rc = SQLITE_CONSTRAINT; + pTab->base.zErrMsg = sqlite3_mprintf("%s", Tcl_GetString(p)); }else{ rc = SQLITE_ERROR; pTab->base.zErrMsg = sqlite3_mprintf("unexpected: %s", zCmd); diff --git a/src/where.c b/src/where.c index 2418b4156..71a8241e3 100644 --- a/src/where.c +++ b/src/where.c @@ -1347,6 +1347,20 @@ static SQLITE_NOINLINE void sqlite3ConstructBloomFilter( #ifndef SQLITE_OMIT_VIRTUALTABLE /* +** Return term iTerm of the WhereClause passed as the first argument. Terms +** are numbered from 0 upwards, starting with the terms in pWC->a[], then +** those in pWC->pOuter->a[] (if any), and so on. +*/ +static WhereTerm *termFromWhereClause(WhereClause *pWC, int iTerm){ + WhereClause *p; + for(p=pWC; p; p=p->pOuter){ + if( iTerm<p->nTerm ) return &p->a[iTerm]; + iTerm -= p->nTerm; + } + return 0; +} + +/* ** Allocate and populate an sqlite3_index_info structure. It is the ** responsibility of the caller to eventually release the structure ** by passing the pointer returned by this function to freeIndexInfo(). @@ -1372,6 +1386,7 @@ static sqlite3_index_info *allocateIndexInfo( const Table *pTab; int eDistinct = 0; ExprList *pOrderBy = pWInfo->pOrderBy; + WhereClause *p; assert( pSrc!=0 ); pTab = pSrc->pTab; @@ -1382,28 +1397,30 @@ static sqlite3_index_info *allocateIndexInfo( ** Mark each term with the TERM_OK flag. Set nTerm to the number of ** terms found. */ - for(i=nTerm=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ - pTerm->wtFlags &= ~TERM_OK; - if( pTerm->leftCursor != pSrc->iCursor ) continue; - if( pTerm->prereqRight & mUnusable ) continue; - assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); - testcase( pTerm->eOperator & WO_IN ); - testcase( pTerm->eOperator & WO_ISNULL ); - testcase( pTerm->eOperator & WO_IS ); - testcase( pTerm->eOperator & WO_ALL ); - if( (pTerm->eOperator & ~(WO_EQUIV))==0 ) continue; - if( pTerm->wtFlags & TERM_VNULL ) continue; + for(p=pWC, nTerm=0; p; p=p->pOuter){ + for(i=0, pTerm=p->a; i<p->nTerm; i++, pTerm++){ + pTerm->wtFlags &= ~TERM_OK; + if( pTerm->leftCursor != pSrc->iCursor ) continue; + if( pTerm->prereqRight & mUnusable ) continue; + assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) ); + testcase( pTerm->eOperator & WO_IN ); + testcase( pTerm->eOperator & WO_ISNULL ); + testcase( pTerm->eOperator & WO_IS ); + testcase( pTerm->eOperator & WO_ALL ); + if( (pTerm->eOperator & ~(WO_EQUIV))==0 ) continue; + if( pTerm->wtFlags & TERM_VNULL ) continue; - assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); - assert( pTerm->u.x.leftColumn>=XN_ROWID ); - assert( pTerm->u.x.leftColumn<pTab->nCol ); - if( (pSrc->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))!=0 - && !constraintCompatibleWithOuterJoin(pTerm,pSrc) - ){ - continue; + assert( (pTerm->eOperator & (WO_OR|WO_AND))==0 ); + assert( pTerm->u.x.leftColumn>=XN_ROWID ); + assert( pTerm->u.x.leftColumn<pTab->nCol ); + if( (pSrc->fg.jointype & (JT_LEFT|JT_LTORJ|JT_RIGHT))!=0 + && !constraintCompatibleWithOuterJoin(pTerm,pSrc) + ){ + continue; + } + nTerm++; + pTerm->wtFlags |= TERM_OK; } - nTerm++; - pTerm->wtFlags |= TERM_OK; } /* If the ORDER BY clause contains only columns in the current @@ -1482,49 +1499,52 @@ static sqlite3_index_info *allocateIndexInfo( pHidden->pParse = pParse; pHidden->eDistinct = eDistinct; pHidden->mIn = 0; - for(i=j=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){ - u16 op; - if( (pTerm->wtFlags & TERM_OK)==0 ) continue; - pIdxCons[j].iColumn = pTerm->u.x.leftColumn; - pIdxCons[j].iTermOffset = i; - op = pTerm->eOperator & WO_ALL; - if( op==WO_IN ){ - if( (pTerm->wtFlags & TERM_SLICE)==0 ){ - pHidden->mIn |= SMASKBIT32(j); + for(p=pWC, i=j=0; p; p=p->pOuter){ + int nLast = i+p->nTerm;; + for(pTerm=p->a; i<nLast; i++, pTerm++){ + u16 op; + if( (pTerm->wtFlags & TERM_OK)==0 ) continue; + pIdxCons[j].iColumn = pTerm->u.x.leftColumn; + pIdxCons[j].iTermOffset = i; + op = pTerm->eOperator & WO_ALL; + if( op==WO_IN ){ + if( (pTerm->wtFlags & TERM_SLICE)==0 ){ + pHidden->mIn |= SMASKBIT32(j); + } + op = WO_EQ; } - op = WO_EQ; - } - if( op==WO_AUX ){ - pIdxCons[j].op = pTerm->eMatchOp; - }else if( op & (WO_ISNULL|WO_IS) ){ - if( op==WO_ISNULL ){ - pIdxCons[j].op = SQLITE_INDEX_CONSTRAINT_ISNULL; + if( op==WO_AUX ){ + pIdxCons[j].op = pTerm->eMatchOp; + }else if( op & (WO_ISNULL|WO_IS) ){ + if( op==WO_ISNULL ){ + pIdxCons[j].op = SQLITE_INDEX_CONSTRAINT_ISNULL; + }else{ + pIdxCons[j].op = SQLITE_INDEX_CONSTRAINT_IS; + } }else{ - pIdxCons[j].op = SQLITE_INDEX_CONSTRAINT_IS; - } - }else{ - pIdxCons[j].op = (u8)op; - /* The direct assignment in the previous line is possible only because - ** the WO_ and SQLITE_INDEX_CONSTRAINT_ codes are identical. The - ** following asserts verify this fact. */ - assert( WO_EQ==SQLITE_INDEX_CONSTRAINT_EQ ); - assert( WO_LT==SQLITE_INDEX_CONSTRAINT_LT ); - assert( WO_LE==SQLITE_INDEX_CONSTRAINT_LE ); - assert( WO_GT==SQLITE_INDEX_CONSTRAINT_GT ); - assert( WO_GE==SQLITE_INDEX_CONSTRAINT_GE ); - assert( pTerm->eOperator&(WO_IN|WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE|WO_AUX) ); - - if( op & (WO_LT|WO_LE|WO_GT|WO_GE) - && sqlite3ExprIsVector(pTerm->pExpr->pRight) - ){ - testcase( j!=i ); - if( j<16 ) mNoOmit |= (1 << j); - if( op==WO_LT ) pIdxCons[j].op = WO_LE; - if( op==WO_GT ) pIdxCons[j].op = WO_GE; + pIdxCons[j].op = (u8)op; + /* The direct assignment in the previous line is possible only because + ** the WO_ and SQLITE_INDEX_CONSTRAINT_ codes are identical. The + ** following asserts verify this fact. */ + assert( WO_EQ==SQLITE_INDEX_CONSTRAINT_EQ ); + assert( WO_LT==SQLITE_INDEX_CONSTRAINT_LT ); + assert( WO_LE==SQLITE_INDEX_CONSTRAINT_LE ); + assert( WO_GT==SQLITE_INDEX_CONSTRAINT_GT ); + assert( WO_GE==SQLITE_INDEX_CONSTRAINT_GE ); + assert( pTerm->eOperator&(WO_IN|WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE|WO_AUX) ); + + if( op & (WO_LT|WO_LE|WO_GT|WO_GE) + && sqlite3ExprIsVector(pTerm->pExpr->pRight) + ){ + testcase( j!=i ); + if( j<16 ) mNoOmit |= (1 << j); + if( op==WO_LT ) pIdxCons[j].op = WO_LE; + if( op==WO_GT ) pIdxCons[j].op = WO_GE; + } } - } - j++; + j++; + } } assert( j==nTerm ); pIdxInfo->nConstraint = j; @@ -1545,6 +1565,17 @@ static sqlite3_index_info *allocateIndexInfo( } /* +** Free and zero the sqlite3_index_info.idxStr value if needed. +*/ +static void freeIdxStr(sqlite3_index_info *pIdxInfo){ + if( pIdxInfo->needToFreeIdxStr ){ + sqlite3_free(pIdxInfo->idxStr); + pIdxInfo->idxStr = 0; + pIdxInfo->needToFreeIdxStr = 0; + } +} + +/* ** Free an sqlite3_index_info structure allocated by allocateIndexInfo() ** and possibly modified by xBestIndex methods. */ @@ -1559,6 +1590,7 @@ static void freeIndexInfo(sqlite3 *db, sqlite3_index_info *pIdxInfo){ sqlite3ValueFree(pHidden->aRhs[i]); /* IMP: R-14553-25174 */ pHidden->aRhs[i] = 0; } + freeIdxStr(pIdxInfo); sqlite3DbFree(db, pIdxInfo); } @@ -4159,7 +4191,7 @@ static int whereLoopAddVirtualOne( ** arguments mUsable and mExclude. */ pIdxCons = *(struct sqlite3_index_constraint**)&pIdxInfo->aConstraint; for(i=0; i<nConstraint; i++, pIdxCons++){ - WhereTerm *pTerm = &pWC->a[pIdxCons->iTermOffset]; + WhereTerm *pTerm = termFromWhereClause(pWC, pIdxCons->iTermOffset); pIdxCons->usable = 0; if( (pTerm->prereqRight & mUsable)==pTerm->prereqRight && (pTerm->eOperator & mExclude)==0 @@ -4190,6 +4222,7 @@ static int whereLoopAddVirtualOne( ** Make no entries in the loop table. */ WHERETRACE(0xffffffff, (" ^^^^--- non-viable plan rejected!\n")); + freeIdxStr(pIdxInfo); return SQLITE_OK; } return rc; @@ -4207,18 +4240,17 @@ static int whereLoopAddVirtualOne( int j = pIdxCons->iTermOffset; if( iTerm>=nConstraint || j<0 - || j>=pWC->nTerm + || (pTerm = termFromWhereClause(pWC, j))==0 || pNew->aLTerm[iTerm]!=0 || pIdxCons->usable==0 ){ sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pTab->zName); - testcase( pIdxInfo->needToFreeIdxStr ); + freeIdxStr(pIdxInfo); return SQLITE_ERROR; } testcase( iTerm==nConstraint-1 ); testcase( j==0 ); testcase( j==pWC->nTerm-1 ); - pTerm = &pWC->a[j]; pNew->prereq |= pTerm->prereqRight; assert( iTerm<pNew->nLSlot ); pNew->aLTerm[iTerm] = pTerm; @@ -4263,11 +4295,7 @@ static int whereLoopAddVirtualOne( ** the plan cannot be used. In these cases set variable *pbRetryLimit ** to true to tell the caller to retry with LIMIT and OFFSET ** disabled. */ - if( pIdxInfo->needToFreeIdxStr ){ - sqlite3_free(pIdxInfo->idxStr); - pIdxInfo->idxStr = 0; - pIdxInfo->needToFreeIdxStr = 0; - } + freeIdxStr(pIdxInfo); *pbRetryLimit = 1; return SQLITE_OK; } @@ -4280,7 +4308,7 @@ static int whereLoopAddVirtualOne( /* The non-zero argvIdx values must be contiguous. Raise an ** error if they are not */ sqlite3ErrorMsg(pParse,"%s.xBestIndex malfunction",pSrc->pTab->zName); - testcase( pIdxInfo->needToFreeIdxStr ); + freeIdxStr(pIdxInfo); return SQLITE_ERROR; } } @@ -4335,7 +4363,7 @@ const char *sqlite3_vtab_collation(sqlite3_index_info *pIdxInfo, int iCons){ if( iCons>=0 && iCons<pIdxInfo->nConstraint ){ CollSeq *pC = 0; int iTerm = pIdxInfo->aConstraint[iCons].iTermOffset; - Expr *pX = pHidden->pWC->a[iTerm].pExpr; + Expr *pX = termFromWhereClause(pHidden->pWC, iTerm)->pExpr; if( pX->pLeft ){ pC = sqlite3ExprCompareCollSeq(pHidden->pParse, pX); } @@ -4381,7 +4409,9 @@ int sqlite3_vtab_rhs_value( rc = SQLITE_MISUSE_BKPT; /* EV: R-30545-25046 */ }else{ if( pH->aRhs[iCons]==0 ){ - WhereTerm *pTerm = &pH->pWC->a[pIdxInfo->aConstraint[iCons].iTermOffset]; + WhereTerm *pTerm = termFromWhereClause( + pH->pWC, pIdxInfo->aConstraint[iCons].iTermOffset + ); rc = sqlite3ValueFromExpr( pH->pParse->db, pTerm->pExpr->pRight, ENC(pH->pParse->db), SQLITE_AFF_BLOB, &pH->aRhs[iCons] @@ -4537,9 +4567,8 @@ static int whereLoopAddVirtual( Bitmask mNext = ALLBITS; assert( mNext>0 ); for(i=0; i<nConstraint; i++){ - Bitmask mThis = ( - pWC->a[p->aConstraint[i].iTermOffset].prereqRight & ~mPrereq - ); + int iTerm = p->aConstraint[i].iTermOffset; + Bitmask mThis = termFromWhereClause(pWC, iTerm)->prereqRight & ~mPrereq; if( mThis>mPrev && mThis<mNext ) mNext = mThis; } mPrev = mNext; @@ -4575,7 +4604,6 @@ static int whereLoopAddVirtual( } } - if( p->needToFreeIdxStr ) sqlite3_free(p->idxStr); freeIndexInfo(pParse->db, p); WHERETRACE(0x800, ("END %s.addVirtual(), rc=%d\n", pSrc->pTab->zName, rc)); return rc; diff --git a/test/bestindexC.test b/test/bestindexC.test index c6ddf3061..48f3a2765 100644 --- a/test/bestindexC.test +++ b/test/bestindexC.test @@ -210,4 +210,143 @@ do_catchsql_test 4.4 { CREATE VIRTUAL TABLE y1 USING tcl(vtab_command "CREATE TABLE x1(insert)"); } {1 {declare_vtab: near "insert": syntax error}} +#------------------------------------------------------------------------- +reset_db +register_tcl_module db + +proc quote {str} { + return "'[string map {' ''} $str]'" +} + +proc vtab_command {lVal method args} { + switch -- $method { + xConnect { + return "CREATE TABLE t1(a, b, c, d)" + } + + xBestIndex { + set hdl [lindex $args 0] + set clist [$hdl constraints] + + set res [list] + set idx 0 + set idxnum 0 + + set cols(0) a + set cols(1) b + set cols(2) c + + set lCons [list] + + foreach c $clist { + array set a $c + if {$a(usable)==0} continue + + if {($a(op)=="eq" || $a(op)=="is") && [info exists cols($a(column))]} { + lappend res omit $idx + set coll [$hdl collation $idx] + lappend lCons "$cols($a(column)) = %[llength $lCons]% COLLATE $coll" + + set idxnum [expr {$idx + (1 << $a(column))}] + catch { unset cols($a(column)) } + } + + incr idx + } + + if {[llength [array names cols]]>0} { + set missing [list] + for {set i 0} {$i < 3} {incr i} { + catch { lappend missing $cols($i) } + } + set msg "missing required constraints: [join $missing ,]" + return [list constraint $msg] + } + + set idxstr [join $lCons " AND "] + return "cost 1000 rows 1000 idxnum $idxnum $res idxstr {$idxstr}" + } + + xFilter { + foreach {idxnum idxstr lArg} $args {} + set i 0 + set where $idxstr + foreach a $lArg { + set where [string map [list %$i% [quote $a]] $where] + incr i + } + # puts $where + return [list sql "SELECT rowid, * FROM $lVal WHERE $where"] + } + } + + return {} +} + +do_execsql_test 5.1 { + CREATE VIRTUAL TABLE x1 USING tcl(vtab_command t1); + CREATE TABLE t1(a, b, c, d); +} + +foreach {tn where ok} { + 0 "WHERE a=? AND b=? AND c=? AND c=?" 1 + 1 "WHERE a=? AND b=? AND c=?" 1 + 2 "WHERE a=? AND b=? AND (c=? OR c=?)" 1 + 3 "WHERE a=? AND b=? AND (c=? OR c=? OR c=?)" 1 + 4 "WHERE a=? AND b=? AND (c IS ? OR c IS ?)" 1 + 5 "WHERE a=? AND ((b=? AND c=?) OR (c=? AND b=?))" 1 + 6 "WHERE a=? AND ((b=? AND c=?) OR (c=?))" 0 +} { + do_test 5.2.$tn { + catch { execsql "SELECT * FROM x1 $::where" } msg +# if {$tn==0 || $tn==2 || $tn==3} { puts "MSG: $msg" } + } [expr !$ok] +} + +do_execsql_test 5.3 { + SELECT * FROM x1 WHERE (a, b, c) = (?, ?, ?); +} + +do_execsql_test 5.4 { + INSERT INTO t1(rowid, a, b, c, d) VALUES(1, 'x', 'y', 'z', 'one'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(2, 'X', 'Y', 'Z', 'two'); + SELECT * FROM x1 WHERE (a, b, c) = ('X', 'Y', 'Z'); +} {X Y Z two} +do_execsql_test 5.5 { + SELECT * FROM x1 WHERE a='x' AND b='y' AND c='z'; +} {x y z one} +do_execsql_test 5.6 { + SELECT * FROM x1 + WHERE a='x' COLLATE nocase AND b='y' COLLATE nocase AND c='z'COLLATE nocase; +} {x y z one X Y Z two} + +do_execsql_test 5.7 { + DELETE FROM t1; + + INSERT INTO t1(rowid, a, b, c, d) VALUES(0, 'x', 'y', 'z', 'zero'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(1, 'x', 'y', 'Z', 'one'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(2, 'x', 'Y', 'z', 'two'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(3, 'x', 'Y', 'Z', 'three'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(4, 'X', 'y', 'z', 'four'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(5, 'X', 'y', 'Z', 'five'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(6, 'X', 'Y', 'z', 'six'); + INSERT INTO t1(rowid, a, b, c, d) VALUES(7, 'X', 'Y', 'z', 'seven'); +} + +do_execsql_test 5.8 { + SELECT d FROM x1 + WHERE a='x' AND ((b='y' AND c='z') OR (b='Y' AND c='z' COLLATE nocase)) +} { + zero two three +} + +do_execsql_test 5.9 { + SELECT d FROM x1 + WHERE a='x' COLLATE nocase + AND ((b='y' AND c='z') OR (b='Y' AND c='z' COLLATE nocase)) +} { + zero four two + three six seven +} + finish_test |