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Posted to issues@spark.apache.org by "Bryan Cutler (JIRA)" <ji...@apache.org> on 2019/02/26 00:00:00 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=16777416#comment-16777416 ]
Bryan Cutler commented on SPARK-23836:
--------------------------------------
I can work on this
> 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
> 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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