ekoifman commented on PR #34464: URL: https://github.com/apache/spark/pull/34464#issuecomment-1248258964
@thomasg19930417 Imagine you have an inner join where the one side has 0 rows. As soon as you know that one side is empty, you don't have evaluate any operators on the other side (or stop executing them if they started already) since you know the join won't produce any rows. -- 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