| /** |
| * 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. |
| **/ |
| |
| #ifndef QUICKSTEP_QUERY_OPTIMIZER_PHYSICAL_BINARY_JOIN_HPP_ |
| #define QUICKSTEP_QUERY_OPTIMIZER_PHYSICAL_BINARY_JOIN_HPP_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "query_optimizer/OptimizerTree.hpp" |
| #include "query_optimizer/expressions/NamedExpression.hpp" |
| #include "query_optimizer/physical/Join.hpp" |
| #include "query_optimizer/physical/Physical.hpp" |
| #include "utility/Macros.hpp" |
| |
| namespace quickstep { |
| namespace optimizer { |
| namespace physical { |
| |
| /** \addtogroup OptimizerPhysical |
| * @{ |
| */ |
| |
| class BinaryJoin; |
| typedef std::shared_ptr<const BinaryJoin> BinaryJoinPtr; |
| |
| /** |
| * @brief Base class for binary join nodes. |
| */ |
| class BinaryJoin : public Join { |
| public: |
| /** |
| * @brief Destructor. |
| */ |
| ~BinaryJoin() override {} |
| |
| /** |
| * @return The left operand. |
| */ |
| const PhysicalPtr& left() const { return left_; } |
| |
| /** |
| * @return The right operand. |
| */ |
| const PhysicalPtr& right() const { return right_; } |
| |
| protected: |
| /** |
| * @brief Constructor. |
| * |
| * @param left The left operand. |
| * @param right The right operand. |
| * @param project_expressions The project expressions. |
| */ |
| BinaryJoin(const PhysicalPtr &left, |
| const PhysicalPtr &right, |
| const std::vector<expressions::NamedExpressionPtr> &project_expressions) |
| : Join(project_expressions), |
| left_(left), |
| right_(right) { |
| addChild(left_); |
| addChild(right_); |
| } |
| |
| void getFieldStringItems( |
| std::vector<std::string> *inline_field_names, |
| std::vector<std::string> *inline_field_values, |
| std::vector<std::string> *non_container_child_field_names, |
| std::vector<OptimizerTreeBaseNodePtr> *non_container_child_fields, |
| std::vector<std::string> *container_child_field_names, |
| std::vector<std::vector<OptimizerTreeBaseNodePtr>> *container_child_fields) const override; |
| |
| private: |
| PhysicalPtr left_; |
| PhysicalPtr right_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BinaryJoin); |
| }; |
| |
| /** @} */ |
| |
| } // namespace physical |
| } // namespace optimizer |
| } // namespace quickstep |
| |
| #endif /* QUICKSTEP_QUERY_OPTIMIZER_PHYSICAL_BINARY_JOIN_HPP_ */ |