diff options
Diffstat (limited to 'src/backend/optimizer/plan/createplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index e3ad5bc6554..08db46c942a 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -10,7 +10,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.157 2003/08/27 12:44:12 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.157.2.1 2003/11/25 19:17:16 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1093,12 +1093,14 @@ create_hashjoin_plan(Query *root, hashclauses = order_qual_clauses(root, hashclauses); /* - * Extract the inner hash keys (right-hand operands of the - * hashclauses) to put in the Hash node. + * Extract the inner hash keys (right-hand operands of the hashclauses) + * to put in the Hash node. Must do a deep copy in case there are + * subplans in the hash keys. */ innerhashkeys = NIL; foreach(hcl, hashclauses) - innerhashkeys = lappend(innerhashkeys, get_rightop(lfirst(hcl))); + innerhashkeys = lappend(innerhashkeys, + copyObject(get_rightop(lfirst(hcl)))); /* We don't want any excess columns in the hashed tuples */ disuse_physical_tlist(inner_plan, best_path->jpath.innerjoinpath); |