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When one or more arguments to a function are constants, try to factor

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out just those arguments into initialization code.

FossilOrigin-Name: 50d350abbc9176cd6fc606bc45b8fc3020719500
This commit is contained in:
drh
2013-11-21 16:08:52 +00:00
parent 10f468f37a
commit d1a01edac9
5 changed files with 63 additions and 31 deletions
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5
src/select.c
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@@ -599,7 +599,8 @@ static void selectInnerLoop(
** values returned by the SELECT are not required.
*/
sqlite3ExprCacheClear(pParse);
sqlite3ExprCodeExprList(pParse, pEList, regResult, eDest==SRT_Output);
sqlite3ExprCodeExprList(pParse, pEList, regResult,
(eDest==SRT_Output)?SQLITE_ECEL_DUP:0);
}
nColumn = nResultCol;
@@ -3885,7 +3886,7 @@ static void updateAccumulator(Parse *pParse, AggInfo *pAggInfo){
if( pList ){
nArg = pList->nExpr;
regAgg = sqlite3GetTempRange(pParse, nArg);
sqlite3ExprCodeExprList(pParse, pList, regAgg, 1);
sqlite3ExprCodeExprList(pParse, pList, regAgg, SQLITE_ECEL_DUP);
}else{
nArg = 0;
regAgg = 0;