peter-toth commented on a change in pull request #23531: [SPARK-24497][SQL] Support recursive SQL query URL: https://github.com/apache/spark/pull/23531#discussion_r247552872
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala ########## @@ -289,13 +294,13 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product { /** * Returns a copy of this node where `f` has been applied to all the nodes children. */ - def mapChildren(f: BaseType => BaseType): BaseType = { - if (children.nonEmpty) { + def mapChildren(f: BaseType => BaseType, forceCopy: Boolean = false): BaseType = { Review comment: You are right @mgaido91, `BroadcastExchangeExec` in the recursive term cause some issues there. We can't prepare them in `RecursiveTable` until we have the result of the anchor term. This is why I introduced `doNotPrepareInAdvance`. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on 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 With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org