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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2019/07/10 04:25:00 UTC

[jira] [Commented] (SPARK-28323) PythonUDF should be able to use in join condition

    [ https://issues.apache.org/jira/browse/SPARK-28323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881717#comment-16881717 ] 

Liang-Chi Hsieh commented on SPARK-28323:
-----------------------------------------

I found this bug when doing SPARK-28276.

> PythonUDF should be able to use in join condition
> -------------------------------------------------
>
>                 Key: SPARK-28323
>                 URL: https://issues.apache.org/jira/browse/SPARK-28323
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark, SQL
>    Affects Versions: 3.0.0
>            Reporter: Liang-Chi Hsieh
>            Priority: Major
>
> There is a bug in {{ExtractPythonUDFs}} that produces wrong result attributes. It causes a failure when using PythonUDFs among multiple child plans, e.g., join. An example is using PythonUDFs in join condition.



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