diff options
Diffstat (limited to 'src/backend/optimizer/plan/setrefs.c')
| -rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 3585a703fbd..ec5552327fb 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -2289,11 +2289,11 @@ set_join_references(PlannerInfo *root, Join *join, int rtoffset) * the outer-join level at which they are used, Vars seen in the * NestLoopParam expression may have nullingrels that are just a * subset of those in the Vars actually available from the outer - * side. Another case that can cause that to happen is explained - * in the comments for process_subquery_nestloop_params. Not - * checking this exactly is a bit grotty, but the work needed to - * make things match up perfectly seems well out of proportion to - * the value. + * side. Lateral references can create the same situation, as + * explained in the comments for process_subquery_nestloop_params + * and paraminfo_get_equal_hashops. Not checking this exactly is + * a bit grotty, but the work needed to make things match up + * perfectly seems well out of proportion to the value. */ nlp->paramval = (Var *) fix_upper_expr(root, (Node *) nlp->paramval, |