diff options
Diffstat (limited to 'src/backend/optimizer/util')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index e0cc97e3a1d..6ee962fd75c 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.85 2001/05/20 20:28:19 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.86 2001/06/19 22:39:11 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -1580,6 +1580,10 @@ expression_tree_walker(Node *node, return true; } break; + case T_NullTest: + return walker(((NullTest *) node)->arg, context); + case T_BooleanTest: + return walker(((BooleanTest *) node)->arg, context); case T_SubLink: { SubLink *sublink = (SubLink *) node; @@ -1933,6 +1937,26 @@ expression_tree_mutator(Node *node, return (Node *) newnode; } break; + case T_NullTest: + { + NullTest *ntest = (NullTest *) node; + NullTest *newnode; + + FLATCOPY(newnode, ntest, NullTest); + MUTATE(newnode->arg, ntest->arg, Node *); + return (Node *) newnode; + } + break; + case T_BooleanTest: + { + BooleanTest *btest = (BooleanTest *) node; + BooleanTest *newnode; + + FLATCOPY(newnode, btest, BooleanTest); + MUTATE(newnode->arg, btest->arg, Node *); + return (Node *) newnode; + } + break; case T_SubLink: { |