diff options
Diffstat (limited to 'src/backend/optimizer/util')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index 3800228398e..73ad926418f 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 1.223 2006/10/25 22:11:32 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/clauses.c,v 1.224 2006/12/21 16:05:13 petere Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -559,6 +559,8 @@ expression_returns_set_walker(Node *node, void *context) return false; if (IsA(node, NullIfExpr)) return false; + if (IsA(node, XmlExpr)) + return false; return expression_tree_walker(node, expression_returns_set_walker, context); @@ -876,6 +878,8 @@ contain_nonstrict_functions_walker(Node *node, void *context) return true; if (IsA(node, BooleanTest)) return true; + if (IsA(node, XmlExpr)) + return true; return expression_tree_walker(node, contain_nonstrict_functions_walker, context); } @@ -3334,6 +3338,16 @@ expression_tree_walker(Node *node, return walker(((NullTest *) node)->arg, context); case T_BooleanTest: return walker(((BooleanTest *) node)->arg, context); + case T_XmlExpr: + { + XmlExpr *xexpr = (XmlExpr *) node; + + if (walker(xexpr->named_args, context)) + return true; + if (walker(xexpr->args, context)) + return true; + } + break; case T_CoerceToDomain: return walker(((CoerceToDomain *) node)->arg, context); case T_TargetEntry: @@ -3857,6 +3871,17 @@ expression_tree_mutator(Node *node, return (Node *) newnode; } break; + case T_XmlExpr: + { + XmlExpr *xexpr = (XmlExpr *) node; + XmlExpr *newnode; + + FLATCOPY(newnode, xexpr, XmlExpr); + MUTATE(newnode->named_args, xexpr->named_args, List *); + MUTATE(newnode->args, xexpr->args, List *); + return (Node *) newnode; + } + break; case T_NullIfExpr: { NullIfExpr *expr = (NullIfExpr *) node; |