cloud-fan commented on pull request #29771: URL: https://github.com/apache/spark/pull/29771#issuecomment-694164741
> that it might introduce more, unnecessary copies of the logically unchanged nodes Good point. `mapChildren` takes care of it and we should always use `mapChildren` instead of `node.copy(child = newChild)` ---------------------------------------------------------------- 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: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
