aboutsummaryrefslogtreecommitdiff
path: root/src/expr.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/expr.c')
-rw-r--r--src/expr.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/src/expr.c b/src/expr.c
index 876b453f1..c9c7c2e76 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -4670,12 +4670,20 @@ expr_code_doover:
case TK_IF_NULL_ROW: {
int addrINR;
u8 okConstFactor = pParse->okConstFactor;
- if( pExpr->pAggInfo && !pExpr->pAggInfo->directMode ){
- struct AggInfo_col *pCol;
- assert( pExpr->iAgg>=0 && pExpr->iAgg<pExpr->pAggInfo->nColumn );
- pCol = &pExpr->pAggInfo->aCol[pExpr->iAgg];
- inReg = pCol->iMem;
- break;
+ AggInfo *pAggInfo = pExpr->pAggInfo;
+ if( pAggInfo ){
+ assert( pExpr->iAgg>=0 && pExpr->iAgg<pAggInfo->nColumn );
+ if( !pAggInfo->directMode ){
+ inReg = pAggInfo->aCol[pExpr->iAgg].iMem;
+ break;
+ }
+ if( pExpr->pAggInfo->useSortingIdx ){
+ sqlite3VdbeAddOp3(v, OP_Column, pAggInfo->sortingIdxPTab,
+ pAggInfo->aCol[pExpr->iAgg].iSorterColumn,
+ target);
+ inReg = target;
+ break;
+ }
}
addrINR = sqlite3VdbeAddOp1(v, OP_IfNullRow, pExpr->iTable);
/* Temporarily disable factoring of constant expressions, since
@@ -6187,6 +6195,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
case TK_COLUMN: {
testcase( pExpr->op==TK_AGG_COLUMN );
testcase( pExpr->op==TK_COLUMN );
+ testcase( pExpr->op==TK_IF_NULL_ROW );
/* Check to see if the column is in one of the tables in the FROM
** clause of the aggregate query */
if( ALWAYS(pSrcList!=0) ){
@@ -6245,7 +6254,9 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
*/
ExprSetVVAProperty(pExpr, EP_NoReduce);
pExpr->pAggInfo = pAggInfo;
- if( pExpr->op==TK_COLUMN ) pExpr->op = TK_AGG_COLUMN;
+ if( pExpr->op==TK_COLUMN ){
+ pExpr->op = TK_AGG_COLUMN;
+ }
pExpr->iAgg = (i16)k;
break;
} /* endif pExpr->iTable==pItem->iCursor */