| /** |
| * 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/FilterJoin.hpp" |
| |
| #include <string> |
| #include <vector> |
| |
| #include "query_optimizer/OptimizerTree.hpp" |
| #include "query_optimizer/expressions/AttributeReference.hpp" |
| #include "query_optimizer/expressions/ExpressionUtil.hpp" |
| #include "query_optimizer/expressions/NamedExpression.hpp" |
| #include "query_optimizer/physical/Physical.hpp" |
| #include "utility/Cast.hpp" |
| |
| namespace quickstep { |
| namespace optimizer { |
| namespace physical { |
| |
| namespace E = ::quickstep::optimizer::expressions; |
| |
| std::vector<E::AttributeReferencePtr> FilterJoin::getReferencedAttributes() const { |
| std::vector<E::AttributeReferencePtr> referenced_attributes; |
| for (const auto &project_expression : project_expressions()) { |
| const auto referenced_attributes_in_expression = |
| project_expression->getReferencedAttributes(); |
| referenced_attributes.insert(referenced_attributes.end(), |
| referenced_attributes_in_expression.begin(), |
| referenced_attributes_in_expression.end()); |
| } |
| referenced_attributes.insert(referenced_attributes.end(), |
| probe_attributes_.begin(), |
| probe_attributes_.end()); |
| referenced_attributes.insert(referenced_attributes.end(), |
| build_attributes_.begin(), |
| build_attributes_.end()); |
| if (build_side_filter_predicate_ != nullptr) { |
| const auto referenced_attributes_in_predicate = |
| build_side_filter_predicate_->getReferencedAttributes(); |
| referenced_attributes.insert(referenced_attributes.end(), |
| referenced_attributes_in_predicate.begin(), |
| referenced_attributes_in_predicate.end()); |
| } |
| return referenced_attributes; |
| } |
| |
| bool FilterJoin::maybeCopyWithPrunedExpressions( |
| const expressions::UnorderedNamedExpressionSet &referenced_expressions, |
| PhysicalPtr *output) const { |
| std::vector<E::NamedExpressionPtr> new_project_expressions; |
| const auto ¤t_project_expressions = project_expressions(); |
| for (const auto &project_expression : current_project_expressions) { |
| if (referenced_expressions.find(project_expression) != referenced_expressions.end()) { |
| new_project_expressions.emplace_back(project_expression); |
| } |
| } |
| if (new_project_expressions.size() != current_project_expressions.size()) { |
| *output = Create(left(), |
| right(), |
| probe_attributes_, |
| build_attributes_, |
| new_project_expressions, |
| build_side_filter_predicate_, |
| is_anti_join_, |
| cloneOutputPartitionSchemeHeader()); |
| return true; |
| } |
| return false; |
| } |
| |
| void FilterJoin::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 { |
| BinaryJoin::getFieldStringItems(inline_field_names, |
| inline_field_values, |
| non_container_child_field_names, |
| non_container_child_fields, |
| container_child_field_names, |
| container_child_fields); |
| |
| inline_field_names->push_back("is_anti_join"); |
| inline_field_values->push_back(is_anti_join_ ? "true" : "false"); |
| |
| if (build_side_filter_predicate_ != nullptr) { |
| non_container_child_field_names->emplace_back("build_side_filter_predicate"); |
| non_container_child_fields->emplace_back(build_side_filter_predicate_); |
| } |
| |
| container_child_field_names->push_back("probe_attributes"); |
| container_child_fields->push_back(CastSharedPtrVector<OptimizerTreeBase>(probe_attributes_)); |
| container_child_field_names->push_back("build_attributes"); |
| container_child_fields->push_back(CastSharedPtrVector<OptimizerTreeBase>(build_attributes_)); |
| } |
| |
| } // namespace physical |
| } // namespace optimizer |
| } // namespace quickstep |