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Ensure that queries like "SELECT indeterministic(a) FROM tbl GROUP BY 1" invoke the indeterministic function only once for each row of tbl.

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FossilOrigin-Name: 4555d66547e28cb110e1012b145bcf3aafb5d4bde05e9d27bcb4ca33837b28f5
This commit is contained in:
dan
2024-05-24 18:31:39 +00:00
parent 31079226f7
commit 89b04f3786
6 changed files with 54 additions and 15 deletions
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6
src/expr.c
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@@ -4243,7 +4243,7 @@ void sqlite3ExprCodeMove(Parse *pParse, int iFrom, int iTo, int nReg){
** register iReg. The caller must ensure that iReg already contains
** the correct value for the expression.
*/
static void exprToRegister(Expr *pExpr, int iReg){
void sqlite3ExprToRegister(Expr *pExpr, int iReg){
Expr *p = sqlite3ExprSkipCollateAndLikely(pExpr);
if( NEVER(p==0) ) return;
p->op2 = p->op;
@@ -5252,7 +5252,7 @@ expr_code_doover:
break;
}
testcase( pX->op==TK_COLUMN );
exprToRegister(pDel, exprCodeVector(pParse, pDel, &regFree1));
sqlite3ExprToRegister(pDel, exprCodeVector(pParse, pDel, &regFree1));
testcase( regFree1==0 );
memset(&opCompare, 0, sizeof(opCompare));
opCompare.op = TK_EQ;
@@ -5602,7 +5602,7 @@ static void exprCodeBetween(
compRight.op = TK_LE;
compRight.pLeft = pDel;
compRight.pRight = pExpr->x.pList->a[1].pExpr;
exprToRegister(pDel, exprCodeVector(pParse, pDel, &regFree1));
sqlite3ExprToRegister(pDel, exprCodeVector(pParse, pDel, &regFree1));
if( xJump ){
xJump(pParse, &exprAnd, dest, jumpIfNull);
}else{