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-rw-r--r--src/os_win.c3
-rw-r--r--src/sqlite.h.in23
-rw-r--r--src/sqliteInt.h8
-rw-r--r--src/test8.c21
-rw-r--r--src/test_bestindex.c10
-rw-r--r--src/util.c10
-rw-r--r--src/where.c56
-rw-r--r--src/whereInt.h3
-rw-r--r--src/wherecode.c2
-rw-r--r--src/whereexpr.c169
10 files changed, 180 insertions, 125 deletions
diff --git a/src/os_win.c b/src/os_win.c
index 7045448fe..f7c835a52 100644
--- a/src/os_win.c
+++ b/src/os_win.c
@@ -5696,9 +5696,6 @@ static int winRandomness(sqlite3_vfs *pVfs, int nBuf, char *zBuf){
EntropyGatherer e;
UNUSED_PARAMETER(pVfs);
memset(zBuf, 0, nBuf);
-#if defined(_MSC_VER) && _MSC_VER>=1400 && !SQLITE_OS_WINCE
- rand_s((unsigned int*)zBuf); /* rand_s() is not available with MinGW */
-#endif /* defined(_MSC_VER) && _MSC_VER>=1400 */
e.a = (unsigned char*)zBuf;
e.na = nBuf;
e.nXor = 0;
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index 8b3c22c92..9ff366304 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -6247,15 +6247,20 @@ struct sqlite3_index_info {
** an operator that is part of a constraint term in the wHERE clause of
** a query that uses a [virtual table].
*/
-#define SQLITE_INDEX_CONSTRAINT_EQ 2
-#define SQLITE_INDEX_CONSTRAINT_GT 4
-#define SQLITE_INDEX_CONSTRAINT_LE 8
-#define SQLITE_INDEX_CONSTRAINT_LT 16
-#define SQLITE_INDEX_CONSTRAINT_GE 32
-#define SQLITE_INDEX_CONSTRAINT_MATCH 64
-#define SQLITE_INDEX_CONSTRAINT_LIKE 65
-#define SQLITE_INDEX_CONSTRAINT_GLOB 66
-#define SQLITE_INDEX_CONSTRAINT_REGEXP 67
+#define SQLITE_INDEX_CONSTRAINT_EQ 2
+#define SQLITE_INDEX_CONSTRAINT_GT 4
+#define SQLITE_INDEX_CONSTRAINT_LE 8
+#define SQLITE_INDEX_CONSTRAINT_LT 16
+#define SQLITE_INDEX_CONSTRAINT_GE 32
+#define SQLITE_INDEX_CONSTRAINT_MATCH 64
+#define SQLITE_INDEX_CONSTRAINT_LIKE 65
+#define SQLITE_INDEX_CONSTRAINT_GLOB 66
+#define SQLITE_INDEX_CONSTRAINT_REGEXP 67
+#define SQLITE_INDEX_CONSTRAINT_NE 68
+#define SQLITE_INDEX_CONSTRAINT_ISNOT 69
+#define SQLITE_INDEX_CONSTRAINT_ISNOTNULL 70
+#define SQLITE_INDEX_CONSTRAINT_ISNULL 71
+#define SQLITE_INDEX_CONSTRAINT_IS 72
/*
** CAPI3REF: Register A Virtual Table Implementation
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 4ce54cf73..58d64ba2f 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -51,14 +51,6 @@
#endif
/*
-** Make sure that rand_s() is available on Windows systems with MSVC 2005
-** or higher.
-*/
-#if defined(_MSC_VER) && _MSC_VER>=1400
-# define _CRT_RAND_S
-#endif
-
-/*
** Include the header file used to customize the compiler options for MSVC.
** This should be done first so that it can successfully prevent spurious
** compiler warnings due to subsequent content in this file and other files
diff --git a/src/test8.c b/src/test8.c
index daab504e4..2684f801f 100644
--- a/src/test8.c
+++ b/src/test8.c
@@ -897,17 +897,18 @@ static int echoBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
case SQLITE_INDEX_CONSTRAINT_REGEXP:
zOp = "regexp"; break;
}
- if( zOp[0]=='L' ){
- zNew = sqlite3_mprintf(" %s %s LIKE (SELECT '%%'||?||'%%')",
- zSep, zNewCol);
- } else {
- zNew = sqlite3_mprintf(" %s %s %s ?", zSep, zNewCol, zOp);
+ if( zOp ){
+ if( zOp[0]=='L' ){
+ zNew = sqlite3_mprintf(" %s %s LIKE (SELECT '%%'||?||'%%')",
+ zSep, zNewCol);
+ } else {
+ zNew = sqlite3_mprintf(" %s %s %s ?", zSep, zNewCol, zOp);
+ }
+ string_concat(&zQuery, zNew, 1, &rc);
+ zSep = "AND";
+ pUsage->argvIndex = ++nArg;
+ pUsage->omit = 1;
}
- string_concat(&zQuery, zNew, 1, &rc);
-
- zSep = "AND";
- pUsage->argvIndex = ++nArg;
- pUsage->omit = 1;
}
}
diff --git a/src/test_bestindex.c b/src/test_bestindex.c
index 94017f034..2cd79baf2 100644
--- a/src/test_bestindex.c
+++ b/src/test_bestindex.c
@@ -414,6 +414,16 @@ static int tclBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
zOp = "glob"; break;
case SQLITE_INDEX_CONSTRAINT_REGEXP:
zOp = "regexp"; break;
+ case SQLITE_INDEX_CONSTRAINT_NE:
+ zOp = "ne"; break;
+ case SQLITE_INDEX_CONSTRAINT_ISNOT:
+ zOp = "isnot"; break;
+ case SQLITE_INDEX_CONSTRAINT_ISNOTNULL:
+ zOp = "isnotnull"; break;
+ case SQLITE_INDEX_CONSTRAINT_ISNULL:
+ zOp = "isnull"; break;
+ case SQLITE_INDEX_CONSTRAINT_IS:
+ zOp = "is"; break;
}
Tcl_ListObjAppendElement(0, pElem, Tcl_NewStringObj("op", -1));
diff --git a/src/util.c b/src/util.c
index a6d349296..ebcc5bec6 100644
--- a/src/util.c
+++ b/src/util.c
@@ -491,7 +491,11 @@ do_atof_calc:
if( esign<0 ){
result = 0.0*s;
}else{
+#ifdef INFINITY
+ result = INFINITY*s;
+#else
result = 1e308*1e308*s; /* Infinity */
+#endif
}
}
}else{
@@ -1276,7 +1280,7 @@ int sqlite3SafetyCheckSickOrOk(sqlite3 *db){
** overflow, leave *pA unchanged and return 1.
*/
int sqlite3AddInt64(i64 *pA, i64 iB){
-#if GCC_VERSION>=5004000
+#if GCC_VERSION>=5004000 && !defined(__INTEL_COMPILER)
return __builtin_add_overflow(*pA, iB, pA);
#else
i64 iA = *pA;
@@ -1296,7 +1300,7 @@ int sqlite3AddInt64(i64 *pA, i64 iB){
#endif
}
int sqlite3SubInt64(i64 *pA, i64 iB){
-#if GCC_VERSION>=5004000
+#if GCC_VERSION>=5004000 && !defined(__INTEL_COMPILER)
return __builtin_sub_overflow(*pA, iB, pA);
#else
testcase( iB==SMALLEST_INT64+1 );
@@ -1311,7 +1315,7 @@ int sqlite3SubInt64(i64 *pA, i64 iB){
#endif
}
int sqlite3MulInt64(i64 *pA, i64 iB){
-#if GCC_VERSION>=5004000
+#if GCC_VERSION>=5004000 && !defined(__INTEL_COMPILER)
return __builtin_mul_overflow(*pA, iB, pA);
#else
i64 iA = *pA;
diff --git a/src/where.c b/src/where.c
index 754187302..7b806a7b6 100644
--- a/src/where.c
+++ b/src/where.c
@@ -868,7 +868,7 @@ static sqlite3_index_info *allocateIndexInfo(
testcase( pTerm->eOperator & WO_ISNULL );
testcase( pTerm->eOperator & WO_IS );
testcase( pTerm->eOperator & WO_ALL );
- if( (pTerm->eOperator & ~(WO_ISNULL|WO_EQUIV|WO_IS))==0 ) continue;
+ if( (pTerm->eOperator & ~(WO_EQUIV))==0 ) continue;
if( pTerm->wtFlags & TERM_VNULL ) continue;
assert( pTerm->u.leftColumn>=(-1) );
nTerm++;
@@ -916,7 +916,7 @@ static sqlite3_index_info *allocateIndexInfo(
pUsage;
for(i=j=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){
- u8 op;
+ u16 op;
if( pTerm->leftCursor != pSrc->iCursor ) continue;
if( pTerm->prereqRight & mUnusable ) continue;
assert( IsPowerOfTwo(pTerm->eOperator & ~WO_EQUIV) );
@@ -924,34 +924,40 @@ static sqlite3_index_info *allocateIndexInfo(
testcase( pTerm->eOperator & WO_IS );
testcase( pTerm->eOperator & WO_ISNULL );
testcase( pTerm->eOperator & WO_ALL );
- if( (pTerm->eOperator & ~(WO_ISNULL|WO_EQUIV|WO_IS))==0 ) continue;
+ if( (pTerm->eOperator & ~(WO_EQUIV))==0 ) continue;
if( pTerm->wtFlags & TERM_VNULL ) continue;
assert( pTerm->u.leftColumn>=(-1) );
pIdxCons[j].iColumn = pTerm->u.leftColumn;
pIdxCons[j].iTermOffset = i;
- op = (u8)pTerm->eOperator & WO_ALL;
+ op = pTerm->eOperator & WO_ALL;
if( op==WO_IN ) op = WO_EQ;
- if( op==WO_MATCH ){
- op = pTerm->eMatchOp;
- }
- pIdxCons[j].op = 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( WO_MATCH==SQLITE_INDEX_CONSTRAINT_MATCH );
- assert( pTerm->eOperator & (WO_IN|WO_EQ|WO_LT|WO_LE|WO_GT|WO_GE|WO_MATCH) );
-
- if( op & (WO_LT|WO_LE|WO_GT|WO_GE)
- && sqlite3ExprIsVector(pTerm->pExpr->pRight)
- ){
- if( i<16 ) mNoOmit |= (1 << i);
- if( op==WO_LT ) pIdxCons[j].op = WO_LE;
- if( op==WO_GT ) pIdxCons[j].op = WO_GE;
+ 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 = (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)
+ ){
+ if( i<16 ) mNoOmit |= (1 << i);
+ if( op==WO_LT ) pIdxCons[j].op = WO_LE;
+ if( op==WO_GT ) pIdxCons[j].op = WO_GE;
+ }
}
j++;
diff --git a/src/whereInt.h b/src/whereInt.h
index bac81da72..0aa7bc1da 100644
--- a/src/whereInt.h
+++ b/src/whereInt.h
@@ -515,7 +515,6 @@ void sqlite3WhereTabFuncArgs(Parse*, struct SrcList_item*, WhereClause*);
** WO_LE == SQLITE_INDEX_CONSTRAINT_LE
** WO_GT == SQLITE_INDEX_CONSTRAINT_GT
** WO_GE == SQLITE_INDEX_CONSTRAINT_GE
-** WO_MATCH == SQLITE_INDEX_CONSTRAINT_MATCH
*/
#define WO_IN 0x0001
#define WO_EQ 0x0002
@@ -523,7 +522,7 @@ void sqlite3WhereTabFuncArgs(Parse*, struct SrcList_item*, WhereClause*);
#define WO_LE (WO_EQ<<(TK_LE-TK_EQ))
#define WO_GT (WO_EQ<<(TK_GT-TK_EQ))
#define WO_GE (WO_EQ<<(TK_GE-TK_EQ))
-#define WO_MATCH 0x0040
+#define WO_AUX 0x0040 /* Op useful to virtual tables only */
#define WO_IS 0x0080
#define WO_ISNULL 0x0100
#define WO_OR 0x0200 /* Two or more OR-connected terms */
diff --git a/src/wherecode.c b/src/wherecode.c
index 30ff3f25c..6cdf7b566 100644
--- a/src/wherecode.c
+++ b/src/wherecode.c
@@ -1017,7 +1017,7 @@ static void codeDeferredSeek(
*/
static void codeExprOrVector(Parse *pParse, Expr *p, int iReg, int nReg){
assert( nReg>0 );
- if( sqlite3ExprIsVector(p) ){
+ if( p && sqlite3ExprIsVector(p) ){
#ifndef SQLITE_OMIT_SUBQUERY
if( (p->flags & EP_xIsSelect) ){
Vdbe *v = pParse->pVdbe;
diff --git a/src/whereexpr.c b/src/whereexpr.c
index ffd31a6ee..da07f56ce 100644
--- a/src/whereexpr.c
+++ b/src/whereexpr.c
@@ -312,48 +312,84 @@ static int isLikeOrGlob(
#ifndef SQLITE_OMIT_VIRTUALTABLE
/*
-** Check to see if the given expression is of the form
+** Check to see if the pExpr expression is a form that needs to be passed
+** to the xBestIndex method of virtual tables. Forms of interest include:
**
-** column OP expr
+** Expression Virtual Table Operator
+** ----------------------- ---------------------------------
+** 1. column MATCH expr SQLITE_INDEX_CONSTRAINT_MATCH
+** 2. column GLOB expr SQLITE_INDEX_CONSTRAINT_GLOB
+** 3. column LIKE expr SQLITE_INDEX_CONSTRAINT_LIKE
+** 4. column REGEXP expr SQLITE_INDEX_CONSTRAINT_REGEXP
+** 5. column != expr SQLITE_INDEX_CONSTRAINT_NE
+** 6. expr != column SQLITE_INDEX_CONSTRAINT_NE
+** 7. column IS NOT expr SQLITE_INDEX_CONSTRAINT_ISNOT
+** 8. expr IS NOT column SQLITE_INDEX_CONSTRAINT_ISNOT
+** 9. column IS NOT NULL SQLITE_INDEX_CONSTRAINT_ISNOTNULL
**
-** where OP is one of MATCH, GLOB, LIKE or REGEXP and "column" is a
-** column of a virtual table.
+** In every case, "column" must be a column of a virtual table. If there
+** is a match, set *ppLeft to the "column" expression, set *ppRight to the
+** "expr" expression (even though in forms (6) and (8) the column is on the
+** right and the expression is on the left). Also set *peOp2 to the
+** appropriate virtual table operator. The return value is 1 or 2 if there
+** is a match. The usual return is 1, but if the RHS is also a column
+** of virtual table in forms (5) or (7) then return 2.
**
-** If it is then return TRUE. If not, return FALSE.
+** If the expression matches none of the patterns above, return 0.
*/
-static int isMatchOfColumn(
+static int isAuxiliaryVtabOperator(
Expr *pExpr, /* Test this expression */
- unsigned char *peOp2 /* OUT: 0 for MATCH, or else an op2 value */
+ unsigned char *peOp2, /* OUT: 0 for MATCH, or else an op2 value */
+ Expr **ppLeft, /* Column expression to left of MATCH/op2 */
+ Expr **ppRight /* Expression to left of MATCH/op2 */
){
- static const struct Op2 {
- const char *zOp;
- unsigned char eOp2;
- } aOp[] = {
- { "match", SQLITE_INDEX_CONSTRAINT_MATCH },
- { "glob", SQLITE_INDEX_CONSTRAINT_GLOB },
- { "like", SQLITE_INDEX_CONSTRAINT_LIKE },
- { "regexp", SQLITE_INDEX_CONSTRAINT_REGEXP }
- };
- ExprList *pList;
- Expr *pCol; /* Column reference */
- int i;
+ if( pExpr->op==TK_FUNCTION ){
+ static const struct Op2 {
+ const char *zOp;
+ unsigned char eOp2;
+ } aOp[] = {
+ { "match", SQLITE_INDEX_CONSTRAINT_MATCH },
+ { "glob", SQLITE_INDEX_CONSTRAINT_GLOB },
+ { "like", SQLITE_INDEX_CONSTRAINT_LIKE },
+ { "regexp", SQLITE_INDEX_CONSTRAINT_REGEXP }
+ };
+ ExprList *pList;
+ Expr *pCol; /* Column reference */
+ int i;
- if( pExpr->op!=TK_FUNCTION ){
- return 0;
- }
- pList = pExpr->x.pList;
- if( pList==0 || pList->nExpr!=2 ){
- return 0;
- }
- pCol = pList->a[1].pExpr;
- if( pCol->op!=TK_COLUMN || !IsVirtual(pCol->pTab) ){
- return 0;
- }
- for(i=0; i<ArraySize(aOp); i++){
- if( sqlite3StrICmp(pExpr->u.zToken, aOp[i].zOp)==0 ){
- *peOp2 = aOp[i].eOp2;
- return 1;
+ pList = pExpr->x.pList;
+ if( pList==0 || pList->nExpr!=2 ){
+ return 0;
}
+ pCol = pList->a[1].pExpr;
+ if( pCol->op!=TK_COLUMN || !IsVirtual(pCol->pTab) ){
+ return 0;
+ }
+ for(i=0; i<ArraySize(aOp); i++){
+ if( sqlite3StrICmp(pExpr->u.zToken, aOp[i].zOp)==0 ){
+ *peOp2 = aOp[i].eOp2;
+ *ppRight = pList->a[0].pExpr;
+ *ppLeft = pCol;
+ return 1;
+ }
+ }
+ }else if( pExpr->op==TK_NE || pExpr->op==TK_ISNOT || pExpr->op==TK_NOTNULL ){
+ int res = 0;
+ Expr *pLeft = pExpr->pLeft;
+ Expr *pRight = pExpr->pRight;
+ if( pLeft->op==TK_COLUMN && IsVirtual(pLeft->pTab) ){
+ res++;
+ }
+ if( pRight && pRight->op==TK_COLUMN && IsVirtual(pRight->pTab) ){
+ res++;
+ SWAP(Expr*, pLeft, pRight);
+ }
+ *ppLeft = pLeft;
+ *ppRight = pRight;
+ if( pExpr->op==TK_NE ) *peOp2 = SQLITE_INDEX_CONSTRAINT_NE;
+ if( pExpr->op==TK_ISNOT ) *peOp2 = SQLITE_INDEX_CONSTRAINT_ISNOT;
+ if( pExpr->op==TK_NOTNULL ) *peOp2 = SQLITE_INDEX_CONSTRAINT_ISNOTNULL;
+ return res;
}
return 0;
}
@@ -604,7 +640,7 @@ static void exprAnalyzeOrTerm(
for(j=0, pAndTerm=pAndWC->a; j<pAndWC->nTerm; j++, pAndTerm++){
assert( pAndTerm->pExpr );
if( allowedOp(pAndTerm->pExpr->op)
- || pAndTerm->eOperator==WO_MATCH
+ || pAndTerm->eOperator==WO_AUX
){
b |= sqlite3WhereGetMask(&pWInfo->sMaskSet, pAndTerm->leftCursor);
}
@@ -1186,41 +1222,46 @@ static void exprAnalyze(
#endif /* SQLITE_OMIT_LIKE_OPTIMIZATION */
#ifndef SQLITE_OMIT_VIRTUALTABLE
- /* Add a WO_MATCH auxiliary term to the constraint set if the
- ** current expression is of the form: column MATCH expr.
+ /* Add a WO_AUX auxiliary term to the constraint set if the
+ ** current expression is of the form "column OP expr" where OP
+ ** is an operator that gets passed into virtual tables but which is
+ ** not normally optimized for ordinary tables. In other words, OP
+ ** is one of MATCH, LIKE, GLOB, REGEXP, !=, IS, IS NOT, or NOT NULL.
** This information is used by the xBestIndex methods of
** virtual tables. The native query optimizer does not attempt
** to do anything with MATCH functions.
*/
- if( pWC->op==TK_AND && isMatchOfColumn(pExpr, &eOp2) ){
- int idxNew;
+ if( pWC->op==TK_AND ){
Expr *pRight, *pLeft;
- WhereTerm *pNewTerm;
- Bitmask prereqColumn, prereqExpr;
-
- pRight = pExpr->x.pList->a[0].pExpr;
- pLeft = pExpr->x.pList->a[1].pExpr;
- prereqExpr = sqlite3WhereExprUsage(pMaskSet, pRight);
- prereqColumn = sqlite3WhereExprUsage(pMaskSet, pLeft);
- if( (prereqExpr & prereqColumn)==0 ){
- Expr *pNewExpr;
- pNewExpr = sqlite3PExpr(pParse, TK_MATCH,
- 0, sqlite3ExprDup(db, pRight, 0));
- if( ExprHasProperty(pExpr, EP_FromJoin) && pNewExpr ){
- ExprSetProperty(pNewExpr, EP_FromJoin);
+ int res = isAuxiliaryVtabOperator(pExpr, &eOp2, &pLeft, &pRight);
+ while( res-- > 0 ){
+ int idxNew;
+ WhereTerm *pNewTerm;
+ Bitmask prereqColumn, prereqExpr;
+
+ prereqExpr = sqlite3WhereExprUsage(pMaskSet, pRight);
+ prereqColumn = sqlite3WhereExprUsage(pMaskSet, pLeft);
+ if( (prereqExpr & prereqColumn)==0 ){
+ Expr *pNewExpr;
+ pNewExpr = sqlite3PExpr(pParse, TK_MATCH,
+ 0, sqlite3ExprDup(db, pRight, 0));
+ if( ExprHasProperty(pExpr, EP_FromJoin) && pNewExpr ){
+ ExprSetProperty(pNewExpr, EP_FromJoin);
+ }
+ idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC);
+ testcase( idxNew==0 );
+ pNewTerm = &pWC->a[idxNew];
+ pNewTerm->prereqRight = prereqExpr;
+ pNewTerm->leftCursor = pLeft->iTable;
+ pNewTerm->u.leftColumn = pLeft->iColumn;
+ pNewTerm->eOperator = WO_AUX;
+ pNewTerm->eMatchOp = eOp2;
+ markTermAsChild(pWC, idxNew, idxTerm);
+ pTerm = &pWC->a[idxTerm];
+ pTerm->wtFlags |= TERM_COPIED;
+ pNewTerm->prereqAll = pTerm->prereqAll;
}
- idxNew = whereClauseInsert(pWC, pNewExpr, TERM_VIRTUAL|TERM_DYNAMIC);
- testcase( idxNew==0 );
- pNewTerm = &pWC->a[idxNew];
- pNewTerm->prereqRight = prereqExpr;
- pNewTerm->leftCursor = pLeft->iTable;
- pNewTerm->u.leftColumn = pLeft->iColumn;
- pNewTerm->eOperator = WO_MATCH;
- pNewTerm->eMatchOp = eOp2;
- markTermAsChild(pWC, idxNew, idxTerm);
- pTerm = &pWC->a[idxTerm];
- pTerm->wtFlags |= TERM_COPIED;
- pNewTerm->prereqAll = pTerm->prereqAll;
+ SWAP(Expr*, pLeft, pRight);
}
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-21 02:06:48 +0000