| /** |
| * 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. |
| **/ |
| |
| #include "query_optimizer/physical/CrossReferenceCoalesceAggregate.hpp" |
| |
| #include <string> |
| #include <unordered_set> |
| #include <vector> |
| |
| #include "query_optimizer/OptimizerTree.hpp" |
| #include "query_optimizer/expressions/AttributeReference.hpp" |
| #include "query_optimizer/expressions/ExpressionUtil.hpp" |
| #include "utility/Cast.hpp" |
| |
| namespace quickstep { |
| namespace optimizer { |
| namespace physical { |
| |
| namespace E = ::quickstep::optimizer::expressions; |
| |
| std::vector<E::AttributeReferencePtr> CrossReferenceCoalesceAggregate |
| ::getOutputAttributes() const { |
| std::vector<E::AttributeReferencePtr> output_attributes(left_join_attributes_); |
| for (const auto &aggregate_expr : aggregate_expressions_) { |
| output_attributes.emplace_back(E::ToRef(aggregate_expr)); |
| } |
| return output_attributes; |
| } |
| |
| std::vector<E::AttributeReferencePtr> CrossReferenceCoalesceAggregate |
| ::getReferencedAttributes() const { |
| std::unordered_set<E::AttributeReferencePtr> referenced_attributes; |
| |
| referenced_attributes.insert(left_join_attributes_.begin(), |
| left_join_attributes_.end()); |
| referenced_attributes.insert(right_join_attributes_.begin(), |
| right_join_attributes_.end()); |
| |
| if (right_filter_predicate_ != nullptr) { |
| const std::vector<E::AttributeReferencePtr> attrs_in_predicate = |
| right_filter_predicate_->getReferencedAttributes(); |
| referenced_attributes.insert(attrs_in_predicate.begin(), |
| attrs_in_predicate.end()); |
| } |
| |
| for (const auto &aggregate_expr : aggregate_expressions_) { |
| const std::vector<E::AttributeReferencePtr> attrs_in_expr = |
| aggregate_expr->getReferencedAttributes(); |
| referenced_attributes.insert(attrs_in_expr.begin(), attrs_in_expr.end()); |
| } |
| |
| return std::vector<E::AttributeReferencePtr>( |
| referenced_attributes.begin(), referenced_attributes.end()); |
| } |
| |
| void CrossReferenceCoalesceAggregate::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 { |
| inline_field_names->push_back("group_by_key_value_range"); |
| inline_field_values->push_back(std::to_string(group_by_key_value_range_)); |
| |
| non_container_child_field_names->push_back("left_child"); |
| non_container_child_fields->push_back(left_child_); |
| non_container_child_field_names->push_back("right_child"); |
| non_container_child_fields->push_back(right_child_); |
| |
| container_child_field_names->push_back("left_join_attributes"); |
| container_child_fields->push_back( |
| CastSharedPtrVector<OptimizerTreeBase>(left_join_attributes_)); |
| container_child_field_names->push_back("right_join_attributes"); |
| container_child_fields->push_back( |
| CastSharedPtrVector<OptimizerTreeBase>(right_join_attributes_)); |
| |
| if (right_filter_predicate_ != nullptr) { |
| non_container_child_field_names->push_back("right_filter_predicate"); |
| non_container_child_fields->push_back(right_filter_predicate_); |
| } |
| container_child_field_names->push_back("aggregate_expressions"); |
| container_child_fields->push_back( |
| CastSharedPtrVector<OptimizerTreeBase>(aggregate_expressions_)); |
| } |
| |
| } // namespace physical |
| } // namespace optimizer |
| } // namespace quickstep |