andygrove commented on PR #2136: URL: https://github.com/apache/datafusion-comet/pull/2136#issuecomment-3221295544
> > 2. Disable comet coalesce when ANSI mode is enabled. This is because coalesce in comet throws an exception while spark suppresses it > > To clarify this a bit more, Spark performs lazy evaluation on the inputs to `coalesce` and will stop evaluating as soon as it finds the first non-null input. Comet (and DataFusion) currently evaluate all of the inputs. This is why we see an error in Comet but not in Spark. I filed https://github.com/apache/datafusion-comet/issues/2231 to track this on Comet side -- 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
