2010YOUY01 commented on issue #15628: URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2814936184
> [@alamb](https://github.com/alamb) > > I think a SortMergeJoin derivative that handles inequality could be helpful here but there are comments that SortMergeJoin is not used in plans yet. > > Is there a reason for this? The optimization to execute join conditions like `t1.id <= t2.id` efficiently with SMJ is not implemented yet, now SMJ can only handle an equal join condition (plus additional join conditions to be processed after the equal condition is evaluated) -- 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