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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/02/26 20:36:00 UTC

[jira] [Assigned] (SPARK-23836) Support returning StructType to the level support in GroupedMap Arrow's "scalar" UDFS (or similar)

     [ https://issues.apache.org/jira/browse/SPARK-23836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-23836:
------------------------------------

    Assignee: Apache Spark

> Support returning StructType to the level support in GroupedMap Arrow's "scalar" UDFS (or similar)
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-23836
>                 URL: https://issues.apache.org/jira/browse/SPARK-23836
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark
>    Affects Versions: 2.4.0
>            Reporter: holdenk
>            Assignee: Apache Spark
>            Priority: Major
>
> Currently not all of the supported types can be returned from the scalar pandas UDF type. This means if someone wants to return a struct type doing a map operation right now they either have to do a "junk" groupBy or use the non-vectorized results.



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