| /* |
| * 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. |
| */ |
| |
| /*------------------------------------------------------------------------- |
| * |
| * cdbplan.h |
| * definitions for cdbplan.c utilities |
| * |
| * |
| * |
| * NOTES |
| * See src/backend/utils/misc/guc.c for variable external specification. |
| * |
| *------------------------------------------------------------------------- |
| */ |
| |
| #ifndef CDBPLAN_H |
| #define CDBPLAN_H |
| |
| #include "optimizer/walkers.h" |
| |
| |
| |
| |
| |
| typedef struct XsliceInAppendContext |
| { |
| plan_tree_base_prefix base; |
| |
| /* The slice number for the node that is being processed */ |
| int currentSliceNo; |
| |
| /* A set of slice numbers that contain cross-slice shared nodes */ |
| Bitmapset *slices; |
| } XsliceInAppendContext; |
| |
| |
| extern Node * plan_tree_mutator(Node *node, Node *(*mutator) (), void *context); |
| |
| extern bool set_hasxslice_in_append_walker(Node *node, void *ctx); |
| |
| #endif /* CDBPLAN_H */ |