diff options
| -rw-r--r-- | src/backend/rewrite/rewriteManip.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/rewrite/rewriteManip.c b/src/backend/rewrite/rewriteManip.c index 52b3f77078d..32bd2f1dc99 100644 --- a/src/backend/rewrite/rewriteManip.c +++ b/src/backend/rewrite/rewriteManip.c @@ -719,11 +719,16 @@ ChangeVarNodes(Node *node, int rt_index, int new_index, int sublevels_up) /* * Substitute newrelid for oldrelid in a Relid set + * + * Note: some extensions may pass a special varno such as INDEX_VAR for + * oldrelid. bms_is_member won't like that, but we should tolerate it. + * (Perhaps newrelid could also be a special varno, but there had better + * not be a reason to inject that into a nullingrels or phrels set.) */ static Relids adjust_relid_set(Relids relids, int oldrelid, int newrelid) { - if (bms_is_member(oldrelid, relids)) + if (!IS_SPECIAL_VARNO(oldrelid) && bms_is_member(oldrelid, relids)) { /* Ensure we have a modifiable copy */ relids = bms_copy(relids); |