diff options
Diffstat (limited to 'src/backend/optimizer/util/clauses.c')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index 04ef2224c9..858d4abcbd 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.260 2008/08/02 21:32:00 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.261 2008/08/07 01:11:50 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -3933,6 +3933,8 @@ expression_tree_walker(Node *node, return true; if (walker(setop->rarg, context)) return true; + + /* groupClauses are deemed uninteresting */ } break; case T_InClauseInfo: @@ -4535,6 +4537,7 @@ expression_tree_mutator(Node *node, FLATCOPY(newnode, setop, SetOperationStmt); MUTATE(newnode->larg, setop->larg, Node *); MUTATE(newnode->rarg, setop->rarg, Node *); + /* We do not mutate groupClauses by default */ return (Node *) newnode; } break; |