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From "holdenk (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-23836) Support returning StructType & MapType in Arrow's "scalar" UDFS (or similar)
Date Mon, 02 Apr 2018 18:36:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-23836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16422942#comment-16422942
] 

holdenk commented on SPARK-23836:
---------------------------------

Oh wait, I missunderstood our support of structype - I'll rephrase as just supporting returning
structtype to the level supported in grouped map.

> Support returning StructType & MapType in 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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