liukun4515 commented on issue #10630: URL: https://github.com/apache/datafusion/issues/10630#issuecomment-2133064530
> > GroupedTopKAggregateStream > > I believe @avantgardnerio / @thinkharderdev worked on this code, as part of #7192 > > I agree it is strange to be using that operator given a SQL without an aggregate. I thought it only kicked in if there was a `MIN` or `MAX` aggregate 🤔 it's normal, if just want to get the distinct value for one or several column, and using the bellow sql: ``` select distinct column from table limit n select column from table group by column limit n ``` The usages is from our cases, customer want to get the distinct value -- 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: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org
