[jira] [Resolved] (SPARK-25328) Add an example for having two columns as the grouping key in group aggregate pandas UDF

["Bryan Cutler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-25328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Cutler resolved SPARK-25328.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.0

Issue resolved by pull request 22329
[https://github.com/apache/spark/pull/22329]

> Add an example for having two columns as the grouping key in group aggregate pandas UDF
> ---------------------------------------------------------------------------------------
>
>                 Key: SPARK-25328
>                 URL: https://issues.apache.org/jira/browse/SPARK-25328
>             Project: Spark
>          Issue Type: Sub-task
>          Components: PySpark
>    Affects Versions: 2.4.0
>            Reporter: Xiao Li
>            Assignee: Hyukjin Kwon
>            Priority: Major
>             Fix For: 2.4.0
>
>
> https://github.com/apache/spark/pull/20295 added an alternative interface for group aggregate pandas UDFs. It does not have an example that have more than one columns as the grouping key in {{functions.py}}



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