Unbreak legacy syntax "COMMENT ON RULE x IS y", with no relation name.

check_object_ownership() isn't happy about the null relation pointer.
We could fix it there, but this seems more future-proof.

diff --git a/src/backend/catalog/objectaddress.c b/src/backend/catalog/objectaddress.c
index 8de5bec57a13ae3cf9c077809f7b9c33cc0050bb..7f16212c9e5ab2c15576e95b55483f59c4e37beb 100644 (file)
--- a/src/backend/catalog/objectaddress.c
+++ b/src/backend/catalog/objectaddress.c
@@ -498,6 +498,12 @@ get_object_address_relobject(ObjectType objtype, List *objname,
        address.objectId =
            get_rewrite_oid_without_relid(depname, &reloid, missing_ok);
        address.objectSubId = 0;
+
+       /*
+        * Caller is expecting to get back the relation, even though we
+        * didn't end up using it to find the rule.
+        */
+       relation = heap_open(reloid, AccessShareLock);
    }
    else
    {