On Fri, Nov 24, 2023 at 12:06 PM David Rowley <dgrowle...@gmail.com> wrote:
> In the attached, I've adjusted the code to use the latter of the two
> above methods in 3 places.  In examine_variable() this reduces the
> complexity of the logic quite a bit and saves calling bms_is_member()
> in addition to bms_singleton_member().


+1 to the idea.

I think you have a typo in distribute_restrictinfo_to_rels.  We should
remove the call of bms_singleton_member and use relid instead.

--- a/src/backend/optimizer/plan/initsplan.c
+++ b/src/backend/optimizer/plan/initsplan.c
@@ -2644,7 +2644,7 @@ distribute_restrictinfo_to_rels(PlannerInfo *root,
             * There is only one relation participating in the clause, so it
             * is a restriction clause for that relation.
             */
-           rel = find_base_rel(root, bms_singleton_member(relids));
+           rel = find_base_rel(root, relid);

Thanks
Richard

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