datafusion_datasource_avro/avro_to_arrow/
mod.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18//! This module contains code for reading [Avro] data into `RecordBatch`es
19//!
20//! [Avro]: https://avro.apache.org/docs/1.2.0/
21
22mod arrow_array_reader;
23mod reader;
24mod schema;
25
26use arrow::datatypes::Schema;
27pub use reader::{Reader, ReaderBuilder};
28
29pub use schema::to_arrow_schema;
30use std::io::Read;
31
32/// Read Avro schema given a reader
33pub fn read_avro_schema_from_reader<R: Read>(
34    reader: &mut R,
35) -> datafusion_common::Result<Schema> {
36    let avro_reader = apache_avro::Reader::new(reader)?;
37    let schema = avro_reader.writer_schema();
38    to_arrow_schema(schema)
39}
datafusion_datasource_avro/avro_to_arrow/mod.rs

datafusion_datasource_avro/avro_to_arrow/
mod.rs
