| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /*------------------------------------------------------------------------- |
| * |
| * subselect.h |
| * |
| * Portions Copyright (c) 2006-2008, Greenplum inc |
| * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * $PostgreSQL: pgsql/src/include/optimizer/subselect.h,v 1.27 2006/03/05 15:58:57 momjian Exp $ |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef SUBSELECT_H |
| #define SUBSELECT_H |
| |
| #include "nodes/plannodes.h" |
| #include "nodes/relation.h" |
| |
| extern Node *convert_testexpr(PlannerInfo *root, Node *testexpr, int rtindex, List **righthandIds, |
| List *sub_tlist); |
| extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr); |
| extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual); |
| extern void SS_finalize_plan(PlannerInfo *root, List *rtable, Plan *plan, |
| bool attach_initplans); |
| extern Param *SS_make_initplan_from_plan(PlannerInfo *root, Plan *plan, |
| Oid resulttype, int32 resulttypmod); |
| |
| extern bool IsSubqueryCorrelated(Query *sq); |
| extern bool IsSubqueryMultiLevelCorrelated(Query *sq); |
| #endif /* SUBSELECT_H */ |