## DataFusion Federation
[](https://crates.io/crates/datafusion-federation)
[](https://docs.rs/datafusion-federation)
The goal of this repo is to allow [DataFusion](https://github.com/apache/arrow-datafusion) to resolve queries across remote query engines while pushing down as much compute as possible down.
Check out [the examples](./examples/) to get a feel for how it works.
Potential use-cases:
- Querying across SQLite, MySQL, PostgreSQL, ...
- Pushing down SQL or [Substrait](https://substrait.io/) plans.
- DataFusion -> Flight SQL -> DataFusion
- ..
#### Status
The project is in alpha status. Contributions welcome; land a PR = commit access.
- [Docs (release)](https://docs.rs/datafusion-federation)
- [Docs (main)](https://datafusion-contrib.github.io/datafusion-federation/)