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Merge trunk into the cygwin-fixes branch.

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FossilOrigin-Name: f3d14433f24f89558e72a9085c950bc72440e9933d6b4ff59d6e603d25e39422
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stephan
2025-03-10 17:35:00 +00:00
parent b37f8b9714 09eba154b2
commit e0fa42053f
4 changed files with 15 additions and 9 deletions
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7
src/select.c
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@ -7201,6 +7201,7 @@ static void agginfoFree(sqlite3 *db, void *pArg){
** * There is no WHERE or GROUP BY or HAVING clauses on the subqueries
** * The outer query is a simple count(*) with no WHERE clause or other
** extraneous syntax.
** * None of the subqueries are DISTINCT (forumpost/a860f5fb2e 2025-03-10)
**
** Return TRUE if the optimization is undertaken.
*/
@ -7233,7 +7234,11 @@ static int countOfViewOptimization(Parse *pParse, Select *p){
if( pSub->op!=TK_ALL && pSub->pPrior ) return 0; /* Must be UNION ALL */
if( pSub->pWhere ) return 0; /* No WHERE clause */
if( pSub->pLimit ) return 0; /* No LIMIT clause */
if( pSub->selFlags & SF_Aggregate ) return 0; /* Not an aggregate */
if( pSub->selFlags & (SF_Aggregate|SF_Distinct) ){
testcase( pSub->selFlags & SF_Aggregate );
testcase( pSub->selFlags & SF_Distinct );
return 0; /* Not an aggregate nor DISTINCT */
}
assert( pSub->pHaving==0 ); /* Due to the previous */
pSub = pSub->pPrior; /* Repeat over compound */
}while( pSub );