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https://issues.apache.org/jira/browse/SPARK-11002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeff Zhang resolved SPARK-11002.
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Resolution: Duplicate
Duplicate of SPARK-10915
> pyspark doesn't support UDAF
> ----------------------------
>
> Key: SPARK-11002
> URL: https://issues.apache.org/jira/browse/SPARK-11002
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Affects Versions: 1.5.1
> Environment: windows pyspark
> ubuntu pyspark
> Reporter: jixing.ji
>
> currently, pyspark doesn't support user defined aggregated function, which
> made that data analyzer cannot get some specific aggregated result, for
> example, group by column A, concat column B into a list
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