GitHub user davies opened a pull request: https://github.com/apache/spark/pull/13883
[SPARK-16179] [PYSPARK] fix bugs for Python udf in generate ## What changes were proposed in this pull request? This PR fix the bug when Python UDF is used in explode (generator), GenerateExec requires that all the attributes in expressions should be resolvable from children when creating, we should replace the children first, then replace it's expressions. ## How was this patch tested? Added regression tests. You can merge this pull request into a Git repository by running: $ git pull https://github.com/davies/spark udf_in_generate Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/13883.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 #13883 ---- commit b9fd4bfb93dea18331987b83336b11f4f1f6e388 Author: Davies Liu <dav...@databricks.com> Date: 2016-06-24T04:43:35Z fix udf in generate ---- --- 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