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Diffstat (limited to 'src/backend/optimizer/plan/setrefs.c')
| -rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 60a1484c992..01d2cec562f 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -1019,6 +1019,10 @@ set_join_references(PlannerGlobal *glob, Join *join, int rtoffset) (Node *) nlp->paramval, outer_itlist, rtoffset); + /* Check we replaced any PlaceHolderVar with simple Var */ + if (!(IsA(nlp->paramval, Var) && + nlp->paramval->varno == OUTER)) + elog(ERROR, "NestLoopParam was not reduced to a simple Var"); } } else if (IsA(join, MergeJoin)) |