JYInMyHeart commented on issue #2847: URL: https://github.com/apache/arrow-datafusion/issues/2847#issuecomment-1178594152
> `futures::stream::once` is part of the [`futures`](https://docs.rs/futures/latest/futures/) crate, and so if you add this to your Cargo.toml you should be able to make use of it But I still don't know how to write the correct code even I add `futures` crate. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
