dongjoon-hyun commented on a change in pull request #33099: URL: https://github.com/apache/spark/pull/33099#discussion_r659929721
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala ########## @@ -911,6 +911,11 @@ object CollapseRepartition extends Rule[LogicalPlan] { // we can remove the child. case r @ RepartitionByExpression(_, child: RepartitionOperation, _) => r.copy(child = child.child) + + // Case 3: When a RebalancePartitions has a child of Repartition or RepartitionByExpression + // we can remove the child. Review comment: Oh, got it. Thank you for reverting, @cloud-fan and @wangyum . -- 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