mirror of https://gitee.com/bigwinds/arangodb
76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2019 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// 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, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Yuriy Popov
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_AQL_LATE_MATERIALIZATION_OPTIMIZER_RULES_COMMON_H
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#define ARANGOD_AQL_LATE_MATERIALIZATION_OPTIMIZER_RULES_COMMON_H 1
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#include <memory>
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#include <vector>
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namespace arangodb {
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namespace basics {
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struct AttributeName;
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}
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namespace aql {
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struct AstNode;
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class CalculationNode;
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struct Variable;
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namespace latematerialized {
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struct AstAndFieldData {
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// Ast node
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AstNode* parentNode;
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size_t childNumber;
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// index data
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std::vector<arangodb::basics::AttributeName> const* field;
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size_t fieldNumber;
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};
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struct AstAndColumnFieldData : AstAndFieldData {
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int columnNumber;
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std::vector<std::string> postfix;
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};
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template<typename T>
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struct NodeWithAttrs {
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struct AttributeAndField {
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std::vector<arangodb::basics::AttributeName> attr;
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T afData;
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};
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std::vector<AttributeAndField> attrs;
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CalculationNode* node;
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};
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template<typename T>
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bool getReferencedAttributes(AstNode* node, Variable const* variable, NodeWithAttrs<T>& nodeAttrs);
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} // latematerialized
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} // namespace aql
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} // namespace arangodb
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#endif // ARANGOD_AQL_LATE_MATERIALIZATION_OPTIMIZER_RULES_COMMON_H
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