suibianwanwank commented on PR #15281: URL: https://github.com/apache/datafusion/pull/15281#issuecomment-2769563811
@jayzhan211 From this field, it seems there's no issue, but how to get the e.b field if we perform aggregation on the Join. Since this query requires all rows from the left table to be included in the results. This might also involve the equivalence of Aggregate operations under outer joins. ```SQL select e.b ,(select case when max(e2.a) > 10 then 'a' else 'b' end from t2 e2 where e2.b = e.b+1 ) from t1 e; ``` -- 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