statistics_file.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 <cstdint>
#include <string>
#include <unordered_map>
#include <vector>
 
#include "iceberg/iceberg_export.h"
 
namespace iceberg {
 
struct ICEBERG_EXPORT BlobMetadata {
  std::string type;
  int64_t source_snapshot_id;
  int64_t source_snapshot_sequence_number;
  std::vector<int32_t> fields;
  std::unordered_map<std::string, std::string> properties;
 
  friend bool operator==(const BlobMetadata& lhs, const BlobMetadata& rhs) = default;
};
 
struct ICEBERG_EXPORT StatisticsFile {
  int64_t snapshot_id;
  std::string path;
  int64_t file_size_in_bytes;
  int64_t file_footer_size_in_bytes;
  std::vector<BlobMetadata> blob_metadata;
 
  friend bool operator==(const StatisticsFile& lhs, const StatisticsFile& rhs) = default;
};
 
struct ICEBERG_EXPORT PartitionStatisticsFile {
  int64_t snapshot_id;
  std::string path;
  int64_t file_size_in_bytes;
 
  friend bool operator==(const PartitionStatisticsFile& lhs,
                         const PartitionStatisticsFile& rhs) = default;
};
 
ICEBERG_EXPORT std::string ToString(const BlobMetadata& blob_metadata);
 
ICEBERG_EXPORT std::string ToString(const StatisticsFile& statistics_file);
 
ICEBERG_EXPORT std::string ToString(
    const PartitionStatisticsFile& partition_statistics_file);
 
}  // namespace iceberg