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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/07/11 07:07:00 UTC

[jira] [Assigned] (SPARK-28345) PythonUDF predicate should be able to pushdown to join

     [ https://issues.apache.org/jira/browse/SPARK-28345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-28345:
------------------------------------

    Assignee: Apache Spark

> PythonUDF predicate should be able to pushdown to join
> ------------------------------------------------------
>
>                 Key: SPARK-28345
>                 URL: https://issues.apache.org/jira/browse/SPARK-28345
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark, SQL
>    Affects Versions: 3.0.0
>            Reporter: Liang-Chi Hsieh
>            Assignee: Apache Spark
>            Priority: Major
>
> A Filter predicate using PythonUDF can't be push down into join condition, currently. A predicate like that should be able to push down to join condition. For PythonUDFs that can't be evaluated in join condition, {{PullOutPythonUDFInJoinCondition}} will pull them out later.



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