residual_evaluator.h

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/*
 * 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.
 */
 
#pragma once
 
 
#include <memory>
 
#include "iceberg/iceberg_export.h"
#include "iceberg/result.h"
#include "iceberg/type_fwd.h"
 
namespace iceberg {
 
class ICEBERG_EXPORT ResidualEvaluator {
 public:
  static Result<std::unique_ptr<ResidualEvaluator>> Unpartitioned(
      std::shared_ptr<Expression> expr);
 
  static Result<std::unique_ptr<ResidualEvaluator>> Make(std::shared_ptr<Expression> expr,
                                                         const PartitionSpec& spec,
                                                         const Schema& schema,
                                                         bool case_sensitive = true);
 
  ~ResidualEvaluator();
 
  virtual Result<std::shared_ptr<Expression>> ResidualFor(
      const StructLike& partition_data) const;
 
 protected:
  ResidualEvaluator(std::shared_ptr<Expression> expr, const PartitionSpec& spec,
                    const Schema& schema, bool case_sensitive);
 
  std::shared_ptr<Expression> expr_;
 
 private:
  const PartitionSpec& spec_;
  const Schema& schema_;
  bool case_sensitive_;
};
 
}  // namespace iceberg