viirya commented on pull request #33142: URL: https://github.com/apache/spark/pull/33142#issuecomment-870971121
> track the "height" of common subexpressions, to quickly do child-parent sort. About this, I think the sorting is not reliable as it is hard to do child-parent sort. I have another proposal to get rid of the sort as I mentioned before. -- 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: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
