/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef AG_AG_NODES_H
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#define AG_AG_NODES_H
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#include "postgres.h"
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#include "nodes/extensible.h"
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#include "nodes/nodes.h"
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// This list must match node_names and node_methods.
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typedef enum ag_node_tag
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{
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ag_node_invalid_t = 0,
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// projection
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cypher_return_t,
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cypher_with_t,
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// reading clause
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cypher_match_t,
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// updating clause
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cypher_create_t,
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cypher_set_t,
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cypher_set_item_t,
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cypher_delete_t,
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cypher_unwind_t,
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cypher_merge_t,
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// pattern
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cypher_path_t,
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cypher_node_t,
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cypher_relationship_t,
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// expression
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cypher_bool_const_t,
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cypher_param_t,
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cypher_map_t,
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cypher_list_t,
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// comparison expression
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cypher_comparison_aexpr_t,
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cypher_comparison_boolexpr_t,
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// string match
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cypher_string_match_t,
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// typecast
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cypher_typecast_t,
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// integer constant
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cypher_integer_const_t,
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// sub patterns
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cypher_sub_pattern_t,
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// procedure calls
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cypher_call_t,
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// create data structures
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cypher_create_target_nodes_t,
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cypher_create_path_t,
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cypher_target_node_t,
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// set/remove data structures
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cypher_update_information_t,
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cypher_update_item_t,
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// delete data structures
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cypher_delete_information_t,
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cypher_delete_item_t,
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cypher_merge_information_t
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} ag_node_tag;
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void register_ag_nodes(void);
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ExtensibleNode *_new_ag_node(Size size, ag_node_tag tag);
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#define new_ag_node(size, tag) \
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( \
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AssertMacro((size) >= sizeof(ExtensibleNode)), \
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AssertMacro(tag != ag_node_invalid_t), \
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_new_ag_node(size, tag) \
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)
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#define make_ag_node(type) \
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((type *)new_ag_node(sizeof(type), CppConcat(type, _t)))
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static inline bool _is_ag_node(Node *node, const char *extnodename)
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{
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ExtensibleNode *extnode;
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if (!IsA(node, ExtensibleNode))
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return false;
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extnode = (ExtensibleNode *)node;
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if (strcmp(extnode->extnodename, extnodename) == 0)
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return true;
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return false;
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}
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#define is_ag_node(node, type) _is_ag_node((Node *)(node), CppAsString(type))
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#endif
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