GitHub user hvanhovell opened a pull request: https://github.com/apache/spark/pull/9566
[SPARK-9241][SQL] Supporting multiple DISTINCT columns - follow-up (3) This PR is a 2nd follow-up for [SPARK-9241](https://issues.apache.org/jira/browse/SPARK-9241). It contains the following improvements: * Fix for a potential bug in distinct child expression and attribute alignment. * Improved handling of duplicate distinct child expressions. * Added test for distinct UDAF with multiple children. cc @yhuai You can merge this pull request into a Git repository by running: $ git pull https://github.com/hvanhovell/spark SPARK-9241-followup-2 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/9566.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 #9566 ---- commit ea4ea69ca4980163c9a31aa4f65b6db6121d62e3 Author: Herman van Hovell <hvanhov...@questtec.nl> Date: 2015-11-09T11:44:26Z Fix potential bug in distinct child expression and attribute alignment & improve handling of duplicate distinct child expressions. Added test for distinct UDAF with multiple children. ---- --- 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