diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/expr.c | 36 | ||||
-rw-r--r-- | src/resolve.c | 6 | ||||
-rw-r--r-- | src/select.c | 2 | ||||
-rw-r--r-- | src/sqliteInt.h | 1 | ||||
-rw-r--r-- | src/vdbe.c | 14 | ||||
-rw-r--r-- | src/vdbeaux.c | 2 | ||||
-rw-r--r-- | src/where.c | 13 | ||||
-rw-r--r-- | src/whereexpr.c | 4 |
8 files changed, 50 insertions, 28 deletions
diff --git a/src/expr.c b/src/expr.c index 3cc763c3d..d19ee92a0 100644 --- a/src/expr.c +++ b/src/expr.c @@ -106,10 +106,22 @@ Expr *sqlite3ExprAddCollateString(Parse *pParse, Expr *pExpr, const char *zC){ } /* -** Skip over any TK_COLLATE operators and any unlikely() -** or likelihood() function at the root of an expression. +** Skip over any TK_COLLATE operators. */ Expr *sqlite3ExprSkipCollate(Expr *pExpr){ + while( pExpr && ExprHasProperty(pExpr, EP_Skip) ){ + assert( pExpr->op==TK_COLLATE ); + pExpr = pExpr->pLeft; + } + return pExpr; +} + +/* +** Skip over any TK_COLLATE operators and/or any unlikely() +** or likelihood() or likely() functions at the root of an +** expression. +*/ +Expr *sqlite3ExprSkipCollateAndLikely(Expr *pExpr){ while( pExpr && ExprHasProperty(pExpr, EP_Skip|EP_Unlikely) ){ if( ExprHasProperty(pExpr, EP_Unlikely) ){ assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); @@ -2179,8 +2191,12 @@ int sqlite3ExprCanBeNull(const Expr *p){ */ int sqlite3ExprNeedsNoAffinityChange(const Expr *p, char aff){ u8 op; + int unaryMinus = 0; if( aff==SQLITE_AFF_BLOB ) return 1; - while( p->op==TK_UPLUS || p->op==TK_UMINUS ){ p = p->pLeft; } + while( p->op==TK_UPLUS || p->op==TK_UMINUS ){ + if( p->op==TK_UMINUS ) unaryMinus = 1; + p = p->pLeft; + } op = p->op; if( op==TK_REGISTER ) op = p->op2; switch( op ){ @@ -2191,10 +2207,10 @@ int sqlite3ExprNeedsNoAffinityChange(const Expr *p, char aff){ return aff==SQLITE_AFF_REAL || aff==SQLITE_AFF_NUMERIC; } case TK_STRING: { - return aff==SQLITE_AFF_TEXT; + return !unaryMinus && aff==SQLITE_AFF_TEXT; } case TK_BLOB: { - return 1; + return !unaryMinus; } case TK_COLUMN: { assert( p->iTable>=0 ); /* p cannot be part of a CHECK constraint */ @@ -3398,7 +3414,7 @@ void sqlite3ExprCodeMove(Parse *pParse, int iFrom, int iTo, int nReg){ ** the correct value for the expression. */ static void exprToRegister(Expr *pExpr, int iReg){ - Expr *p = sqlite3ExprSkipCollate(pExpr); + Expr *p = sqlite3ExprSkipCollateAndLikely(pExpr); p->op2 = p->op; p->op = TK_REGISTER; p->iTable = iReg; @@ -4206,7 +4222,7 @@ int sqlite3ExprCodeAtInit( */ int sqlite3ExprCodeTemp(Parse *pParse, Expr *pExpr, int *pReg){ int r2; - pExpr = sqlite3ExprSkipCollate(pExpr); + pExpr = sqlite3ExprSkipCollateAndLikely(pExpr); if( ConstFactorOk(pParse) && pExpr->op!=TK_REGISTER && sqlite3ExprIsConstantNotJoin(pExpr) @@ -4949,8 +4965,8 @@ int sqlite3ExprListCompare(ExprList *pA, ExprList *pB, int iTab){ */ int sqlite3ExprCompareSkip(Expr *pA, Expr *pB, int iTab){ return sqlite3ExprCompare(0, - sqlite3ExprSkipCollate(pA), - sqlite3ExprSkipCollate(pB), + sqlite3ExprSkipCollateAndLikely(pA), + sqlite3ExprSkipCollateAndLikely(pB), iTab); } @@ -5158,7 +5174,7 @@ static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){ */ int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){ Walker w; - p = sqlite3ExprSkipCollate(p); + p = sqlite3ExprSkipCollateAndLikely(p); while( p ){ if( p->op==TK_NOTNULL ){ p = p->pLeft; diff --git a/src/resolve.c b/src/resolve.c index ab2266409..b61af805b 100644 --- a/src/resolve.c +++ b/src/resolve.c @@ -973,7 +973,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ } case TK_IS: case TK_ISNOT: { - Expr *pRight = sqlite3ExprSkipCollate(pExpr->pRight); + Expr *pRight = sqlite3ExprSkipCollateAndLikely(pExpr->pRight); assert( !ExprHasProperty(pExpr, EP_Reduced) ); /* Handle special cases of "x IS TRUE", "x IS FALSE", "x IS NOT TRUE", ** and "x IS NOT FALSE". */ @@ -1184,7 +1184,7 @@ static int resolveCompoundOrderBy( int iCol = -1; Expr *pE, *pDup; if( pItem->done ) continue; - pE = sqlite3ExprSkipCollate(pItem->pExpr); + pE = sqlite3ExprSkipCollateAndLikely(pItem->pExpr); if( sqlite3ExprIsInteger(pE, &iCol) ){ if( iCol<=0 || iCol>pEList->nExpr ){ resolveOutOfRangeError(pParse, "ORDER", i+1, pEList->nExpr); @@ -1363,7 +1363,7 @@ static int resolveOrderGroupBy( pParse = pNC->pParse; for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){ Expr *pE = pItem->pExpr; - Expr *pE2 = sqlite3ExprSkipCollate(pE); + Expr *pE2 = sqlite3ExprSkipCollateAndLikely(pE); if( zType[0]!='G' ){ iCol = resolveAsName(pParse, pSelect->pEList, pE2); if( iCol>0 ){ diff --git a/src/select.c b/src/select.c index 75541455a..e86c41c09 100644 --- a/src/select.c +++ b/src/select.c @@ -1960,7 +1960,7 @@ int sqlite3ColumnsFromExprList( if( (zName = pEList->a[i].zName)!=0 ){ /* If the column contains an "AS <name>" phrase, use <name> as the name */ }else{ - Expr *pColExpr = sqlite3ExprSkipCollate(pEList->a[i].pExpr); + Expr *pColExpr = sqlite3ExprSkipCollateAndLikely(pEList->a[i].pExpr); while( pColExpr->op==TK_DOT ){ pColExpr = pColExpr->pRight; assert( pColExpr!=0 ); diff --git a/src/sqliteInt.h b/src/sqliteInt.h index b77740917..b2e17c40b 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -4278,6 +4278,7 @@ int sqlite3ExprCollSeqMatch(Parse*,Expr*,Expr*); Expr *sqlite3ExprAddCollateToken(Parse *pParse, Expr*, const Token*, int); Expr *sqlite3ExprAddCollateString(Parse*,Expr*,const char*); Expr *sqlite3ExprSkipCollate(Expr*); +Expr *sqlite3ExprSkipCollateAndLikely(Expr*); int sqlite3CheckCollSeq(Parse *, CollSeq *); int sqlite3WritableSchema(sqlite3*); int sqlite3CheckObjectName(Parse*, const char*,const char*,const char*); diff --git a/src/vdbe.c b/src/vdbe.c index de9c24bef..7b120e391 100644 --- a/src/vdbe.c +++ b/src/vdbe.c @@ -4132,6 +4132,7 @@ case OP_SeekGT: { /* jump, in3, group */ pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; if( pC->isTable ){ + u16 flags3, newType; /* The BTREE_SEEK_EQ flag is only set on index cursors */ assert( sqlite3BtreeCursorHasHint(pC->uc.pCursor, BTREE_SEEK_EQ)==0 || CORRUPT_DB ); @@ -4140,16 +4141,19 @@ case OP_SeekGT: { /* jump, in3, group */ ** blob, or NULL. But it needs to be an integer before we can do ** the seek, so convert it. */ pIn3 = &aMem[pOp->p3]; - if( (pIn3->flags & (MEM_Int|MEM_Real|MEM_IntReal|MEM_Str))==MEM_Str ){ + flags3 = pIn3->flags; + if( (flags3 & (MEM_Int|MEM_Real|MEM_IntReal|MEM_Str))==MEM_Str ){ applyNumericAffinity(pIn3, 0); } - iKey = sqlite3VdbeIntValue(pIn3); + iKey = sqlite3VdbeIntValue(pIn3); /* Get the integer key value */ + newType = pIn3->flags; /* Record the type after applying numeric affinity */ + pIn3->flags = flags3; /* But convert the type back to its original */ /* If the P3 value could not be converted into an integer without ** loss of information, then special processing is required... */ - if( (pIn3->flags & (MEM_Int|MEM_IntReal))==0 ){ - if( (pIn3->flags & MEM_Real)==0 ){ - if( (pIn3->flags & MEM_Null) || oc>=OP_SeekGE ){ + if( (newType & (MEM_Int|MEM_IntReal))==0 ){ + if( (newType & MEM_Real)==0 ){ + if( (newType & MEM_Null) || oc>=OP_SeekGE ){ VdbeBranchTaken(1,2); goto jump_to_p2; }else{ diff --git a/src/vdbeaux.c b/src/vdbeaux.c index 6b1f34fb7..fb2dd9039 100644 --- a/src/vdbeaux.c +++ b/src/vdbeaux.c @@ -5022,7 +5022,7 @@ void sqlite3VdbePreUpdateHook( preupdate.keyinfo.db = db; preupdate.keyinfo.enc = ENC(db); preupdate.keyinfo.nKeyField = pTab->nCol; - preupdate.keyinfo.aSortOrder = (u8*)&fakeSortOrder; + preupdate.keyinfo.aSortFlags = (u8*)&fakeSortOrder; preupdate.iKey1 = iKey1; preupdate.iKey2 = iKey2; preupdate.pTab = pTab; diff --git a/src/where.c b/src/where.c index c5733e16a..37daab679 100644 --- a/src/where.c +++ b/src/where.c @@ -253,7 +253,8 @@ static WhereTerm *whereScanNext(WhereScan *pScan){ ){ if( (pTerm->eOperator & WO_EQUIV)!=0 && pScan->nEquiv<ArraySize(pScan->aiCur) - && (pX = sqlite3ExprSkipCollate(pTerm->pExpr->pRight))->op==TK_COLUMN + && (pX = sqlite3ExprSkipCollateAndLikely(pTerm->pExpr->pRight))->op + ==TK_COLUMN ){ int j; for(j=0; j<pScan->nEquiv; j++){ @@ -449,7 +450,7 @@ static int findIndexCol( const char *zColl = pIdx->azColl[iCol]; for(i=0; i<pList->nExpr; i++){ - Expr *p = sqlite3ExprSkipCollate(pList->a[i].pExpr); + Expr *p = sqlite3ExprSkipCollateAndLikely(pList->a[i].pExpr); if( p->op==TK_COLUMN && p->iColumn==pIdx->aiColumn[iCol] && p->iTable==iBase @@ -513,7 +514,7 @@ static int isDistinctRedundant( ** current SELECT is a correlated sub-query. */ for(i=0; i<pDistinct->nExpr; i++){ - Expr *p = sqlite3ExprSkipCollate(pDistinct->a[i].pExpr); + Expr *p = sqlite3ExprSkipCollateAndLikely(pDistinct->a[i].pExpr); if( p->op==TK_COLUMN && p->iTable==iBase && p->iColumn<0 ) return 1; } @@ -2770,7 +2771,7 @@ static int indexMightHelpWithOrderBy( if( pIndex->bUnordered ) return 0; if( (pOB = pBuilder->pWInfo->pOrderBy)==0 ) return 0; for(ii=0; ii<pOB->nExpr; ii++){ - Expr *pExpr = sqlite3ExprSkipCollate(pOB->a[ii].pExpr); + Expr *pExpr = sqlite3ExprSkipCollateAndLikely(pOB->a[ii].pExpr); if( pExpr->op==TK_COLUMN && pExpr->iTable==iCursor ){ if( pExpr->iColumn<0 ) return 1; for(jj=0; jj<pIndex->nKeyCol; jj++){ @@ -3710,7 +3711,7 @@ static i8 wherePathSatisfiesOrderBy( */ for(i=0; i<nOrderBy; i++){ if( MASKBIT(i) & obSat ) continue; - pOBExpr = sqlite3ExprSkipCollate(pOrderBy->a[i].pExpr); + pOBExpr = sqlite3ExprSkipCollateAndLikely(pOrderBy->a[i].pExpr); if( pOBExpr->op!=TK_COLUMN ) continue; if( pOBExpr->iTable!=iCur ) continue; pTerm = sqlite3WhereFindTerm(&pWInfo->sWC, iCur, pOBExpr->iColumn, @@ -3830,7 +3831,7 @@ static i8 wherePathSatisfiesOrderBy( isMatch = 0; for(i=0; bOnce && i<nOrderBy; i++){ if( MASKBIT(i) & obSat ) continue; - pOBExpr = sqlite3ExprSkipCollate(pOrderBy->a[i].pExpr); + pOBExpr = sqlite3ExprSkipCollateAndLikely(pOrderBy->a[i].pExpr); testcase( wctrlFlags & WHERE_GROUPBY ); testcase( wctrlFlags & WHERE_DISTINCTBY ); if( (wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY))==0 ) bOnce = 0; diff --git a/src/whereexpr.c b/src/whereexpr.c index 252d924b8..d878bdb9e 100644 --- a/src/whereexpr.c +++ b/src/whereexpr.c @@ -84,7 +84,7 @@ static int whereClauseInsert(WhereClause *pWC, Expr *p, u16 wtFlags){ }else{ pTerm->truthProb = 1; } - pTerm->pExpr = sqlite3ExprSkipCollate(p); + pTerm->pExpr = sqlite3ExprSkipCollateAndLikely(p); pTerm->wtFlags = wtFlags; pTerm->pWC = pWC; pTerm->iParent = -1; @@ -1451,7 +1451,7 @@ static void exprAnalyze( ** all terms of the WHERE clause. */ void sqlite3WhereSplit(WhereClause *pWC, Expr *pExpr, u8 op){ - Expr *pE2 = sqlite3ExprSkipCollate(pExpr); + Expr *pE2 = sqlite3ExprSkipCollateAndLikely(pExpr); pWC->op = op; if( pE2==0 ) return; if( pE2->op!=op ){ |