cloud-fan commented on a change in pull request #30955: URL: https://github.com/apache/spark/pull/30955#discussion_r549590192
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala ########## @@ -548,41 +548,66 @@ object PushFoldableIntoBranches extends Rule[LogicalPlan] with PredicateHelper { foldables.nonEmpty && others.length < 2 } + // Not all UnaryExpression support push into (if / case) branches, e.g. Alias. Review comment: `Not all UnaryExpression can be pushed into (if / case) branches, e.g. Alias.` ---------------------------------------------------------------- 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. 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