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Take care that the code is not generated for the same Select object more

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than once, as transformations that apply during the first pass might
cause problems for the second pass.
dbsqlfuzz 836b625cd8a41809ef80fc7ebaa6554357bcb463.

FossilOrigin-Name: f30fb19ff763a7cbe768ea49954704e14d6400f69bb4257c9c890e1564e14835
This commit is contained in:
drh
2021-05-26 18:46:51 +00:00
parent 151446e793
commit 14c4d42874
5 changed files with 43 additions and 51 deletions
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2
src/window.c
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@@ -958,7 +958,7 @@ static int disallowAggregatesInOrderByCb(Walker *pWalker, Expr *pExpr){
*/
int sqlite3WindowRewrite(Parse *pParse, Select *p){
int rc = SQLITE_OK;
if( p->pWin && p->pPrior==0 && (p->selFlags & SF_WinRewrite)==0 ){
if( p->pWin && p->pPrior==0 && ALWAYS((p->selFlags & SF_WinRewrite)==0) ){
Vdbe *v = sqlite3GetVdbe(pParse);
sqlite3 *db = pParse->db;
Select *pSub = 0; /* The subquery */