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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.
// Non-public Thrift schema serialization utilities
#pragma once
#include <memory>
#include <vector>
#include "parquet/platform.h"
#include "parquet/schema.h"
#include "parquet/types.h"
namespace parquet {
namespace format {
class SchemaElement;
}
namespace schema {
// ----------------------------------------------------------------------
// Conversion from Parquet Thrift metadata
PARQUET_EXPORT
std::shared_ptr<SchemaDescriptor> FromParquet(
const std::vector<format::SchemaElement>& schema);
PARQUET_EXPORT
std::unique_ptr<Node> Unflatten(const format::SchemaElement* elements, int length);
// ----------------------------------------------------------------------
// Conversion to Parquet Thrift metadata
PARQUET_EXPORT
void ToParquet(const GroupNode* schema, std::vector<format::SchemaElement>* out);
} // namespace schema
} // namespace parquet
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