datafusion 31.0.0

DataFusion is an in-memory query engine that uses Apache Arrow as the memory model
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46

<!---
  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.
-->

# DataFusion

<img src="https://arrow.apache.org/datafusion/_images/DataFusion-Logo-Background-White.png" width="256" alt="logo"/>

DataFusion is a very fast, extensible query engine for building high-quality data-centric systems in
[Rust](http://rustlang.org), using the [Apache Arrow](https://arrow.apache.org)
in-memory format. [Python Bindings](https://github.com/apache/arrow-datafusion-python) are also available. DataFusion offers SQL and Dataframe APIs, excellent [performance](https://benchmark.clickhouse.com/), built-in support for CSV, Parquet, JSON, and Avro, extensive customization, and a great community.

Here are links to some important information

- [Project Site](https://arrow.apache.org/datafusion)
- [Rust Getting Started](https://arrow.apache.org/datafusion/user-guide/example-usage.html)
- [Rust DataFrame API](https://arrow.apache.org/datafusion/user-guide/dataframe.html)
- [Rust API docs](https://docs.rs/datafusion/latest/datafusion)
- [Rust Examples](https://github.com/apache/arrow-datafusion/tree/master/datafusion-examples)
- [Python DataFrame API](https://arrow.apache.org/datafusion-python/)
- [Architecture](https://docs.rs/datafusion/latest/datafusion/index.html#architecture)

## Building your project with DataFusion

DataFusion is great for building projects and products like SQL interfaces, time series platforms, and domain specific query engines. [Click Here](https://arrow.apache.org/datafusion/user-guide/introduction.html#known-users) to see a list known users.

## Contributing to DataFusion

The [developer’s guide] contains information on how to contribute.

[developer’s guide]: https://arrow.apache.org/datafusion/contributor-guide/index.html#developer-s-guide