parquet_schema_util_internal.h

/*
 * 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 <optional>
 
#include <parquet/arrow/schema.h>
 
#include "iceberg/schema.h"
#include "iceberg/schema_util.h"
 
namespace iceberg::parquet {
 
struct ParquetExtraAttributes : public FieldProjection::ExtraAttributes {
  explicit ParquetExtraAttributes(int32_t column_id) : column_id(column_id) {}
  ~ParquetExtraAttributes() override = default;
 
  std::optional<int32_t> column_id;
};
 
Result<SchemaProjection> Project(const Schema& expected_schema,
                                 const ::parquet::arrow::SchemaManifest& parquet_schema);
 
std::vector<int32_t> SelectedColumnIndices(const SchemaProjection& projection);
 
bool HasFieldIds(const ::parquet::schema::NodePtr& root_node);
 
}  // namespace iceberg::parquet