/**
 *   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/expressions/ExpressionUtil.hpp"

#include "query_optimizer/expressions/AttributeReference.hpp"
#include "query_optimizer/expressions/NamedExpression.hpp"

namespace quickstep {
namespace optimizer {
namespace expressions {

AttributeReferencePtr ToRef(const NamedExpressionPtr &expression) {
  return AttributeReference::Create(expression->id(),
                                    expression->attribute_name(),
                                    expression->attribute_alias(),
                                    expression->relation_name(),
                                    expression->getValueType());
}

}  // namespace expressions
}  // namespace optimizer
}  // namespace quickstep