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Overview
| Comment: | Remove the EP_Vector expression flag. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | rowvalue |
| Files: | files | file ages | folders |
| SHA1: | e9d9c6d46b46160fad6aa6e3441a65a0 |
| User & Date: | dan 2016-07-30 16:39:28 |
Context
|
2016-07-30
| ||
| 17:59 | Merge latest trunk with this branch. check-in: 63ae02d0 user: dan tags: rowvalue | |
| 16:39 | Remove the EP_Vector expression flag. check-in: e9d9c6d4 user: dan tags: rowvalue | |
|
2016-07-29
| ||
| 20:58 | Fix some issues with vector range constraints and the column cache. Also vector range constraints and rowid columns. check-in: 42607366 user: dan tags: rowvalue | |
Changes
Changes to src/expr.c.
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 .... 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 .... 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 .... 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 .... 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 |
/*
** If the expression passed as the only argument is of type TK_VECTOR
** return the number of expressions in the vector. Or, if the expression
** is a sub-select, return the number of columns in the sub-select. For
** any other type of expression, return 1.
*/
int sqlite3ExprVectorSize(Expr *pExpr){
if( (pExpr->flags & EP_Vector)==0 ) return 1;
if( pExpr->flags & EP_xIsSelect ){
return pExpr->x.pSelect->pEList->nExpr;
}
return pExpr->x.pList->nExpr;
}
/*
** If the expression passed as the first argument is a TK_VECTOR, return
** a pointer to the i'th field of the vector. Or, if the first argument
** points to a sub-select, return a pointer to the i'th returned column
** value. Otherwise, return a copy of the first argument.
*/
static Expr *exprVectorField(Expr *pVector, int i){
if( (pVector->flags & EP_Vector)==0 ){
assert( i==0 );
return pVector;
}else if( pVector->flags & EP_xIsSelect ){
return pVector->x.pSelect->pEList->a[i].pExpr;
}
return pVector->x.pList->a[i].pExpr;
}
................................................................................
case TK_LT:
case TK_LE:
case TK_GT:
case TK_GE:
case TK_NE:
case TK_EQ: {
Expr *pLeft = pExpr->pLeft;
if( (pLeft->flags & EP_Vector) ){
codeVectorCompare(pParse, pExpr, target);
}else{
r1 = sqlite3ExprCodeTemp(pParse, pLeft, ®Free1);
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2);
codeCompare(pParse, pLeft, pExpr->pRight, op,
r1, r2, inReg, SQLITE_STOREP2 | p5);
assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
................................................................................
exprAnd.pRight = &compRight;
compLeft.op = TK_GE;
compLeft.pLeft = &exprX;
compLeft.pRight = pExpr->x.pList->a[0].pExpr;
compRight.op = TK_LE;
compRight.pLeft = &exprX;
compRight.pRight = pExpr->x.pList->a[1].pExpr;
if( (exprX.flags & EP_Vector)==0 ){
exprToRegister(&exprX, sqlite3ExprCodeTemp(pParse, &exprX, ®Free1));
}
if( xJumpIf ){
xJumpIf(pParse, &exprAnd, dest, jumpIfNull);
}else{
exprX.flags |= EP_FromJoin;
sqlite3ExprCodeTarget(pParse, &exprAnd, dest);
................................................................................
/* Fall thru */
case TK_LT:
case TK_LE:
case TK_GT:
case TK_GE:
case TK_NE:
case TK_EQ: {
if( pExpr->pLeft->flags & EP_Vector ) goto default_expr;
testcase( jumpIfNull==0 );
r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1);
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2);
codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op,
r1, r2, dest, jumpIfNull);
assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le);
................................................................................
/* Fall thru */
case TK_LT:
case TK_LE:
case TK_GT:
case TK_GE:
case TK_NE:
case TK_EQ: {
if( pExpr->pLeft->flags & EP_Vector ) goto default_expr;
testcase( jumpIfNull==0 );
r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1);
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2);
codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op,
r1, r2, dest, jumpIfNull);
assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le);
|
| > > > > > > > > > > | | | | | < |
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/*
** If the expression passed as the only argument is of type TK_VECTOR
** return the number of expressions in the vector. Or, if the expression
** is a sub-select, return the number of columns in the sub-select. For
** any other type of expression, return 1.
*/
int sqlite3ExprVectorSize(Expr *pExpr){
if( sqlite3ExprIsVector(pExpr)==0 ) return 1;
if( pExpr->flags & EP_xIsSelect ){
return pExpr->x.pSelect->pEList->nExpr;
}
return pExpr->x.pList->nExpr;
}
/*
** Return true if expression pExpr is a vector, or false otherwise.
*/
int sqlite3ExprIsVector(Expr *pExpr){
return (
pExpr->op==TK_VECTOR
|| (pExpr->op==TK_SELECT && pExpr->x.pSelect->pEList->nExpr>1)
);
}
/*
** If the expression passed as the first argument is a TK_VECTOR, return
** a pointer to the i'th field of the vector. Or, if the first argument
** points to a sub-select, return a pointer to the i'th returned column
** value. Otherwise, return a copy of the first argument.
*/
static Expr *exprVectorField(Expr *pVector, int i){
if( sqlite3ExprIsVector(pVector)==0 ){
assert( i==0 );
return pVector;
}else if( pVector->flags & EP_xIsSelect ){
return pVector->x.pSelect->pEList->a[i].pExpr;
}
return pVector->x.pList->a[i].pExpr;
}
................................................................................
case TK_LT:
case TK_LE:
case TK_GT:
case TK_GE:
case TK_NE:
case TK_EQ: {
Expr *pLeft = pExpr->pLeft;
if( sqlite3ExprIsVector(pLeft) ){
codeVectorCompare(pParse, pExpr, target);
}else{
r1 = sqlite3ExprCodeTemp(pParse, pLeft, ®Free1);
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2);
codeCompare(pParse, pLeft, pExpr->pRight, op,
r1, r2, inReg, SQLITE_STOREP2 | p5);
assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
................................................................................
exprAnd.pRight = &compRight;
compLeft.op = TK_GE;
compLeft.pLeft = &exprX;
compLeft.pRight = pExpr->x.pList->a[0].pExpr;
compRight.op = TK_LE;
compRight.pLeft = &exprX;
compRight.pRight = pExpr->x.pList->a[1].pExpr;
if( sqlite3ExprIsVector(&exprX)==0 ){
exprToRegister(&exprX, sqlite3ExprCodeTemp(pParse, &exprX, ®Free1));
}
if( xJumpIf ){
xJumpIf(pParse, &exprAnd, dest, jumpIfNull);
}else{
exprX.flags |= EP_FromJoin;
sqlite3ExprCodeTarget(pParse, &exprAnd, dest);
................................................................................
/* Fall thru */
case TK_LT:
case TK_LE:
case TK_GT:
case TK_GE:
case TK_NE:
case TK_EQ: {
if( sqlite3ExprIsVector(pExpr->pLeft) ) goto default_expr;
testcase( jumpIfNull==0 );
r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1);
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2);
codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op,
r1, r2, dest, jumpIfNull);
assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le);
................................................................................
/* Fall thru */
case TK_LT:
case TK_LE:
case TK_GT:
case TK_GE:
case TK_NE:
case TK_EQ: {
if( sqlite3ExprIsVector(pExpr->pLeft) ) goto default_expr;
testcase( jumpIfNull==0 );
r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free1);
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, ®Free2);
codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op,
r1, r2, dest, jumpIfNull);
assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le);
|
Changes to src/resolve.c.
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 |
notValid(pParse, pNC, "subqueries", NC_IsCheck|NC_PartIdx|NC_IdxExpr);
sqlite3WalkSelect(pWalker, pExpr->x.pSelect);
assert( pNC->nRef>=nRef );
if( nRef!=pNC->nRef ){
ExprSetProperty(pExpr, EP_VarSelect);
pNC->ncFlags |= NC_VarSelect;
}
if( pExpr->op==TK_SELECT && pExpr->x.pSelect->pEList->nExpr>1 ){
ExprSetProperty(pExpr, EP_Vector);
}
}
break;
}
case TK_VARIABLE: {
notValid(pParse, pNC, "parameters", NC_IsCheck|NC_PartIdx|NC_IdxExpr);
break;
}
case TK_VECTOR: {
ExprSetProperty(pExpr, EP_Vector);
break;
}
}
return (pParse->nErr || pParse->db->mallocFailed) ? WRC_Abort : WRC_Continue;
}
/*
** pEList is a list of expressions which are really the result set of the
** a SELECT statement. pE is a term in an ORDER BY or GROUP BY clause.
|
< < < < < < < < < |
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notValid(pParse, pNC, "subqueries", NC_IsCheck|NC_PartIdx|NC_IdxExpr);
sqlite3WalkSelect(pWalker, pExpr->x.pSelect);
assert( pNC->nRef>=nRef );
if( nRef!=pNC->nRef ){
ExprSetProperty(pExpr, EP_VarSelect);
pNC->ncFlags |= NC_VarSelect;
}
}
break;
}
case TK_VARIABLE: {
notValid(pParse, pNC, "parameters", NC_IsCheck|NC_PartIdx|NC_IdxExpr);
break;
}
}
return (pParse->nErr || pParse->db->mallocFailed) ? WRC_Abort : WRC_Continue;
}
/*
** pEList is a list of expressions which are really the result set of the
** a SELECT statement. pE is a term in an ORDER BY or GROUP BY clause.
|
Changes to src/sqliteInt.h.
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#define EP_MemToken 0x010000 /* Need to sqlite3DbFree() Expr.zToken */ #define EP_NoReduce 0x020000 /* Cannot EXPRDUP_REDUCE this Expr */ #define EP_Unlikely 0x040000 /* unlikely() or likelihood() function */ #define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */ #define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */ #define EP_Subquery 0x200000 /* Tree contains a TK_SELECT operator */ #define EP_Alias 0x400000 /* Is an alias for a result set column */ #define EP_Vector 0x800000 /* This expression is a row value */ /* ** Combinations of two or more EP_* flags */ #define EP_Propagate (EP_Collate|EP_Subquery) /* Propagate these bits up tree */ /* ................................................................................ #endif #if defined(SQLITE_ENABLE_DBSTAT_VTAB) || defined(SQLITE_TEST) int sqlite3DbstatRegister(sqlite3*); #endif int sqlite3ExprVectorSize(Expr *pExpr); #endif /* SQLITEINT_H */ |
<
>
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#define EP_MemToken 0x010000 /* Need to sqlite3DbFree() Expr.zToken */ #define EP_NoReduce 0x020000 /* Cannot EXPRDUP_REDUCE this Expr */ #define EP_Unlikely 0x040000 /* unlikely() or likelihood() function */ #define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */ #define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */ #define EP_Subquery 0x200000 /* Tree contains a TK_SELECT operator */ #define EP_Alias 0x400000 /* Is an alias for a result set column */ /* ** Combinations of two or more EP_* flags */ #define EP_Propagate (EP_Collate|EP_Subquery) /* Propagate these bits up tree */ /* ................................................................................ #endif #if defined(SQLITE_ENABLE_DBSTAT_VTAB) || defined(SQLITE_TEST) int sqlite3DbstatRegister(sqlite3*); #endif int sqlite3ExprVectorSize(Expr *pExpr); int sqlite3ExprIsVector(Expr *pExpr); #endif /* SQLITEINT_H */ |
Changes to src/wherecode.c.
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sqlite3VdbeChangeP4(v, -1, (char*)ai, P4_INTARRAY);
}
}
}
static void codeExprOrVector(Parse *pParse, Expr *p, int iReg, int nReg){
assert( nReg>0 );
if( p->flags & EP_Vector ){
int i;
if( (p->flags & EP_xIsSelect)==0 ){
ExprList *pList = p->x.pList;
assert( nReg<=pList->nExpr );
for(i=0; i<nReg; i++){
sqlite3ExprCode(pParse, pList->a[i].pExpr, iReg+i);
}
................................................................................
assert( TK_GE==TK_GT+3 ); /* ... is correcct. */
assert( (pStart->wtFlags & TERM_VNULL)==0 );
testcase( pStart->wtFlags & TERM_VIRTUAL );
pX = pStart->pExpr;
assert( pX!=0 );
testcase( pStart->leftCursor!=iCur ); /* transitive constraints */
if( pX->pRight->flags & EP_Vector ){
r1 = rTemp = sqlite3GetTempReg(pParse);
codeExprOrVector(pParse, pX->pRight, r1, 1);
op = aMoveOp[(pX->op - TK_GT) | 0x0001];
}else{
r1 = sqlite3ExprCodeTemp(pParse, pX->pRight, &rTemp);
disableTerm(pLevel, pStart);
op = aMoveOp[(pX->op - TK_GT)];
................................................................................
pX = pEnd->pExpr;
assert( pX!=0 );
assert( (pEnd->wtFlags & TERM_VNULL)==0 );
testcase( pEnd->leftCursor!=iCur ); /* Transitive constraints */
testcase( pEnd->wtFlags & TERM_VIRTUAL );
memEndValue = ++pParse->nMem;
codeExprOrVector(pParse, pX->pRight, memEndValue, 1);
if( !(pX->pRight->flags&EP_Vector) && (pX->op==TK_LT || pX->op==TK_GT) ){
testOp = bRev ? OP_Le : OP_Ge;
}else{
testOp = bRev ? OP_Lt : OP_Gt;
}
disableTerm(pLevel, pEnd);
}
start = sqlite3VdbeCurrentAddr(v);
................................................................................
}
if( sqlite3ExprNeedsNoAffinityChange(pRight, zStartAff[nEq]) ){
zStartAff[nEq] = SQLITE_AFF_BLOB;
}
}
nConstraint += nBtm;
testcase( pRangeStart->wtFlags & TERM_VIRTUAL );
if( (pRight->flags & EP_Vector)==0 ){
disableTerm(pLevel, pRangeStart);
}else{
startEq = 1;
}
bSeekPastNull = 0;
}else if( bSeekPastNull ){
sqlite3VdbeAddOp2(v, OP_Null, 0, regBase+nEq);
................................................................................
&& !sqlite3ExprNeedsNoAffinityChange(pRight, cEndAff)
){
codeApplyAffinity(pParse, regBase+nEq, 1, &cEndAff);
}
nConstraint += nTop;
testcase( pRangeEnd->wtFlags & TERM_VIRTUAL );
if( (pRight->flags & EP_Vector)==0 ){
disableTerm(pLevel, pRangeEnd);
}else{
endEq = 1;
}
}else if( bStopAtNull ){
sqlite3VdbeAddOp2(v, OP_Null, 0, regBase+nEq);
endEq = 0;
|
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sqlite3VdbeChangeP4(v, -1, (char*)ai, P4_INTARRAY);
}
}
}
static void codeExprOrVector(Parse *pParse, Expr *p, int iReg, int nReg){
assert( nReg>0 );
if( sqlite3ExprIsVector(p) ){
int i;
if( (p->flags & EP_xIsSelect)==0 ){
ExprList *pList = p->x.pList;
assert( nReg<=pList->nExpr );
for(i=0; i<nReg; i++){
sqlite3ExprCode(pParse, pList->a[i].pExpr, iReg+i);
}
................................................................................
assert( TK_GE==TK_GT+3 ); /* ... is correcct. */
assert( (pStart->wtFlags & TERM_VNULL)==0 );
testcase( pStart->wtFlags & TERM_VIRTUAL );
pX = pStart->pExpr;
assert( pX!=0 );
testcase( pStart->leftCursor!=iCur ); /* transitive constraints */
if( sqlite3ExprIsVector(pX->pRight) ){
r1 = rTemp = sqlite3GetTempReg(pParse);
codeExprOrVector(pParse, pX->pRight, r1, 1);
op = aMoveOp[(pX->op - TK_GT) | 0x0001];
}else{
r1 = sqlite3ExprCodeTemp(pParse, pX->pRight, &rTemp);
disableTerm(pLevel, pStart);
op = aMoveOp[(pX->op - TK_GT)];
................................................................................
pX = pEnd->pExpr;
assert( pX!=0 );
assert( (pEnd->wtFlags & TERM_VNULL)==0 );
testcase( pEnd->leftCursor!=iCur ); /* Transitive constraints */
testcase( pEnd->wtFlags & TERM_VIRTUAL );
memEndValue = ++pParse->nMem;
codeExprOrVector(pParse, pX->pRight, memEndValue, 1);
if( 0==sqlite3ExprIsVector(pX->pRight)
&& (pX->op==TK_LT || pX->op==TK_GT)
){
testOp = bRev ? OP_Le : OP_Ge;
}else{
testOp = bRev ? OP_Lt : OP_Gt;
}
disableTerm(pLevel, pEnd);
}
start = sqlite3VdbeCurrentAddr(v);
................................................................................
}
if( sqlite3ExprNeedsNoAffinityChange(pRight, zStartAff[nEq]) ){
zStartAff[nEq] = SQLITE_AFF_BLOB;
}
}
nConstraint += nBtm;
testcase( pRangeStart->wtFlags & TERM_VIRTUAL );
if( sqlite3ExprIsVector(pRight)==0 ){
disableTerm(pLevel, pRangeStart);
}else{
startEq = 1;
}
bSeekPastNull = 0;
}else if( bSeekPastNull ){
sqlite3VdbeAddOp2(v, OP_Null, 0, regBase+nEq);
................................................................................
&& !sqlite3ExprNeedsNoAffinityChange(pRight, cEndAff)
){
codeApplyAffinity(pParse, regBase+nEq, 1, &cEndAff);
}
nConstraint += nTop;
testcase( pRangeEnd->wtFlags & TERM_VIRTUAL );
if( sqlite3ExprIsVector(pRight)==0 ){
disableTerm(pLevel, pRangeEnd);
}else{
endEq = 1;
}
}else if( bStopAtNull ){
sqlite3VdbeAddOp2(v, OP_Null, 0, regBase+nEq);
endEq = 0;
|
Changes to src/whereexpr.c.
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int i; int iCur; /* If this expression is a vector to the left or right of a ** inequality constraint (>, <, >= or <=), perform the processing ** on the first element of the vector. */ assert( TK_GT+1==TK_LE && TK_GT+2==TK_LT && TK_GT+3==TK_GE ); if( (pExpr->flags & (EP_Vector|EP_xIsSelect))==EP_Vector && (op>=TK_GT && op<=TK_GE) ){ pExpr = pExpr->x.pList->a[0].pExpr; } if( pExpr->op==TK_COLUMN ){ *piCur = pExpr->iTable; *piColumn = pExpr->iColumn; return 1; ................................................................................ pNewTerm->prereqAll = pTerm->prereqAll; } } #endif /* SQLITE_OMIT_VIRTUALTABLE */ if( pWC->op==TK_AND && (pExpr->op==TK_EQ || pExpr->op==TK_IS) && (pExpr->pLeft->flags & EP_Vector) && ( (pExpr->pLeft->flags & EP_xIsSelect)==0 || (pExpr->pRight->flags & EP_xIsSelect)==0 )){ int nLeft = sqlite3ExprVectorSize(pExpr->pLeft); if( nLeft==sqlite3ExprVectorSize(pExpr->pRight) ){ int i; for(i=0; i<sqlite3ExprVectorSize(pExpr->pLeft); i++){ |
<
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int i; int iCur; /* If this expression is a vector to the left or right of a ** inequality constraint (>, <, >= or <=), perform the processing ** on the first element of the vector. */ assert( TK_GT+1==TK_LE && TK_GT+2==TK_LT && TK_GT+3==TK_GE ); if( pExpr->op==TK_VECTOR && (op>=TK_GT && op<=TK_GE) ){ pExpr = pExpr->x.pList->a[0].pExpr; } if( pExpr->op==TK_COLUMN ){ *piCur = pExpr->iTable; *piColumn = pExpr->iColumn; return 1; ................................................................................ pNewTerm->prereqAll = pTerm->prereqAll; } } #endif /* SQLITE_OMIT_VIRTUALTABLE */ if( pWC->op==TK_AND && (pExpr->op==TK_EQ || pExpr->op==TK_IS) && sqlite3ExprIsVector(pExpr->pLeft) && ( (pExpr->pLeft->flags & EP_xIsSelect)==0 || (pExpr->pRight->flags & EP_xIsSelect)==0 )){ int nLeft = sqlite3ExprVectorSize(pExpr->pLeft); if( nLeft==sqlite3ExprVectorSize(pExpr->pRight) ){ int i; for(i=0; i<sqlite3ExprVectorSize(pExpr->pLeft); i++){ |