iceberg-cpp
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parquet_reader.h
1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20#pragma once
21
22#include "iceberg/file_reader.h"
23#include "iceberg/iceberg_bundle_export.h"
24
25namespace iceberg::parquet {
26
28class ICEBERG_BUNDLE_EXPORT ParquetReader : public Reader {
29 public:
30 ParquetReader() = default;
31
32 ~ParquetReader() override;
33
34 Status Open(const ReaderOptions& options) final;
35
36 Status Close() final;
37
38 Result<std::optional<ArrowArray>> Next() final;
39
40 Result<ArrowSchema> Schema() final;
41
42 Result<std::unordered_map<std::string, std::string>> Metadata() final;
43
44 private:
45 class Impl;
46 std::unique_ptr<Impl> impl_;
47};
48
49} // namespace iceberg::parquet
Base reader class to read data from different file formats.
Definition file_reader.h:38
A schema for a Table.
Definition schema.h:49
Definition parquet_reader.cc:104
A reader that reads ArrowArray from Parquet files.
Definition parquet_reader.h:28
Options for creating a reader.
Definition file_reader.h:91