Github user zhzhan commented on the pull request: https://github.com/apache/spark/pull/13322#issuecomment-222432192 My understanding is that this new added hidden column is mainly for serdes object to/from row. How would you leverage it to solve the the out join case where the null object is actually added during query execution?
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org