Generalize pushdown to allow any uncorrelated subquery to be pushed down.

FossilOrigin-Name: 87c45fb0d5f5ca5d6d1ad27bef83f294231d17d94299e1997364a7975b423e38

1 files changed, 2 insertions, 0 deletions

diff --git a/src/resolve.c b/src/resolve.c
index 6e0c9906a..7378addf5 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -1349,6 +1349,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
         testcase( pNC->ncFlags & NC_PartIdx );
         testcase( pNC->ncFlags & NC_IdxExpr );
         testcase( pNC->ncFlags & NC_GenCol );
+        assert( pExpr->x.pSelect );
         if( pNC->ncFlags & NC_SelfRef ){
           notValidImpl(pParse, pNC, "subqueries", pExpr, pExpr);
         }else{
@@ -1357,6 +1358,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
         assert( pNC->nRef>=nRef );
         if( nRef!=pNC->nRef ){
           ExprSetProperty(pExpr, EP_VarSelect);
+          pExpr->x.pSelect->selFlags |= SF_Correlated;
         }
         pNC->ncFlags |= NC_Subquery;
       }