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-rw-r--r--src/select.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/src/select.c b/src/select.c
index fad46f0b4..8db983891 100644
--- a/src/select.c
+++ b/src/select.c
@@ -4452,7 +4452,7 @@ static int selectExpander(Walker *pWalker, Select *p){
** Walker.xSelectCallback is set to do something useful for every
** subquery in the parser tree.
*/
-static int exprWalkNoop(Walker *NotUsed, Expr *NotUsed2){
+int sqlite3ExprWalkNoop(Walker *NotUsed, Expr *NotUsed2){
UNUSED_PARAMETER2(NotUsed, NotUsed2);
return WRC_Continue;
}
@@ -4473,7 +4473,7 @@ static int exprWalkNoop(Walker *NotUsed, Expr *NotUsed2){
static void sqlite3SelectExpand(Parse *pParse, Select *pSelect){
Walker w;
memset(&w, 0, sizeof(w));
- w.xExprCallback = exprWalkNoop;
+ w.xExprCallback = sqlite3ExprWalkNoop;
w.pParse = pParse;
if( pParse->hasCompound ){
w.xSelectCallback = convertCompoundSelectToSubquery;
@@ -4540,7 +4540,7 @@ static void sqlite3SelectAddTypeInfo(Parse *pParse, Select *pSelect){
Walker w;
memset(&w, 0, sizeof(w));
w.xSelectCallback2 = selectAddSubqueryTypeInfo;
- w.xExprCallback = exprWalkNoop;
+ w.xExprCallback = sqlite3ExprWalkNoop;
w.pParse = pParse;
sqlite3WalkSelect(&w, pSelect);
#endif
@@ -5295,13 +5295,8 @@ int sqlite3Select(
struct AggInfo_col *pCol = &sAggInfo.aCol[i];
if( pCol->iSorterColumn>=j ){
int r1 = j + regBase;
- int r2;
-
- r2 = sqlite3ExprCodeGetColumn(pParse,
- pCol->pTab, pCol->iColumn, pCol->iTable, r1, 0);
- if( r1!=r2 ){
- sqlite3VdbeAddOp2(v, OP_SCopy, r2, r1);
- }
+ sqlite3ExprCodeGetColumnToReg(pParse,
+ pCol->pTab, pCol->iColumn, pCol->iTable, r1);
j++;
}
}