comphead commented on issue #6139: URL: https://github.com/apache/arrow-datafusion/issues/6139#issuecomment-1537220392
> `Union` is `Union All + Dedup`, so in most DB, Union is combination of `Agg` + `Union` Thanks, I was expecting DISTINCT in plan, not a aggregation. But DISTINCT may be can considered as partial case of aggregation -- 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]
