| /** |
| * Copyright 2011-2015 Quickstep Technologies LLC. |
| * Copyright 2015 Pivotal Software, Inc. |
| * |
| * Licensed 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. |
| **/ |
| |
| #include "query_optimizer/logical/MultiwayCartesianJoin.hpp" |
| |
| #include <string> |
| #include <vector> |
| |
| #include "query_optimizer/OptimizerTree.hpp" |
| #include "utility/Cast.hpp" |
| |
| #include "glog/logging.h" |
| |
| namespace quickstep { |
| namespace optimizer { |
| namespace logical { |
| |
| namespace E = ::quickstep::optimizer::expressions; |
| |
| std::vector<E::AttributeReferencePtr> MultiwayCartesianJoin::getOutputAttributes() const { |
| std::vector<E::AttributeReferencePtr> output_attributes; |
| for (const LogicalPtr &operand : operands()) { |
| const std::vector<E::AttributeReferencePtr> output_attributes_in_operand = |
| operand->getOutputAttributes(); |
| output_attributes.insert(output_attributes.end(), |
| output_attributes_in_operand.begin(), |
| output_attributes_in_operand.end()); |
| } |
| return output_attributes; |
| } |
| |
| LogicalPtr MultiwayCartesianJoin::copyWithNewChildren( |
| const std::vector<LogicalPtr> &new_children) const { |
| DCHECK_EQ(new_children.size(), children().size()); |
| return MultiwayCartesianJoin::Create(new_children); |
| } |
| |
| void MultiwayCartesianJoin::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 { |
| container_child_field_names->push_back(""); |
| container_child_fields->push_back(CastSharedPtrVector<OptimizerTreeBase>(operands_)); |
| } |
| |
| } // namespace logical |
| } // namespace optimizer |
| } // namespace quickstep |