GitHub user cloud-fan opened a pull request: https://github.com/apache/spark/pull/12496
[SPARK-14600][SQL] Push predicates through Expand ## What changes were proposed in this pull request? https://issues.apache.org/jira/browse/SPARK-14600 This PR makes `Expand.output` have different attributes from the grouping attributes produced by the underlying `Project`, as they have different meaning, so that we can safely push down filter through `Expand` ## How was this patch tested? existing tests. You can merge this pull request into a Git repository by running: $ git pull https://github.com/cloud-fan/spark expand Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/12496.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #12496 ---- commit 30dbdc646153fa9072c7688524cdac709a5478ec Author: Wenchen Fan <wenc...@databricks.com> Date: 2016-04-19T13:20:43Z Push predicates through Expand ---- --- 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