| /** |
| * 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/expressions/PredicateLiteral.hpp" |
| |
| #include <string> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "expressions/predicate/TrivialPredicates.hpp" |
| #include "query_optimizer/expressions/ExprId.hpp" |
| #include "query_optimizer/expressions/Expression.hpp" |
| |
| #include "glog/logging.h" |
| |
| namespace quickstep { |
| namespace optimizer { |
| namespace expressions { |
| |
| ExpressionPtr PredicateLiteral::copyWithNewChildren( |
| const std::vector<ExpressionPtr> &new_children) const { |
| DCHECK_EQ(new_children.size(), children().size()); |
| return PredicateLiteral::Create(is_true_); |
| } |
| |
| ::quickstep::Predicate* PredicateLiteral::concretize( |
| const std::unordered_map<ExprId, const CatalogAttribute*> &substitution_map) const { |
| if (is_true()) { |
| return new TruePredicate(); |
| } else { |
| return new FalsePredicate(); |
| } |
| } |
| |
| void PredicateLiteral::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("value"); |
| inline_field_values->push_back(is_true_ ? "true" : "false"); |
| } |
| |
| } // namespace expressions |
| } // namespace optimizer |
| } // namespace quickstep |