GitHub user viirya opened a pull request: https://github.com/apache/spark/pull/15547
[SPARK-18002][SQL] Pruning unnecessary IsNotNull predicates from Filter ## What changes were proposed in this pull request? In `PruneFilters` rule, we can prune unnecessary `IsNotNull` predicates if the predicate in `IsNotNull` is not nullable. ## How was this patch tested? Jenkins tests. Please review https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark before opening a pull request. You can merge this pull request into a Git repository by running: $ git pull https://github.com/viirya/spark-1 prune-isnotnull Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/15547.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 #15547 ---- commit a264ebac6924ae7184abe6fc75fa0dfb659b7d54 Author: Liang-Chi Hsieh <vii...@gmail.com> Date: 2016-10-19T04:11:54Z Pruning unnecessary IsNotNull predicates from Filter. ---- --- 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