Query data in MinIO

[benedetto73]

I am having trouble using Ballista to access (and query) data in MinIO.
I can create and register an S3 object store in DataFusion, but I don't know how to "pass" it to the Ballista context.
And I have found no examples about that.

[milenkovicm]

I guess its a bit late, but better late than never :) There has been push recently with ballista, a bit of internals changed, so no object stores are supported out of the box, users have to configure them as they wish.

In order to support custom object store creation you'd have to configure client and create custom scheduler and executors. Examples are available at https://github.com/apache/datafusion-ballista/tree/main/examples/examples (custom-executor.rs, custom-scheduler.rs, custom-client.rs)