diff options
Diffstat (limited to 'src/select.c')
-rw-r--r-- | src/select.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/select.c b/src/select.c index e7db19533..904290223 100644 --- a/src/select.c +++ b/src/select.c @@ -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 ); |