[jira] [Resolved] (SPARK-23141) Support data type string as a returnType for registerJavaFunction.

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-23141.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.0

Issue resolved by pull request 20307
[https://github.com/apache/spark/pull/20307]

> Support data type string as a returnType for registerJavaFunction.
> ------------------------------------------------------------------
>
>                 Key: SPARK-23141
>                 URL: https://issues.apache.org/jira/browse/SPARK-23141
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark, SQL
>    Affects Versions: 2.3.0
>            Reporter: Takuya Ueshin
>            Assignee: Takuya Ueshin
>            Priority: Major
>             Fix For: 2.3.0
>
>
> Currently {{UDFRegistration.registerJavaFunction}} doesn't support data type string as a returnType whereas {{UDFRegistration.register}}, {{@udf}}, or {{@pandas_udf}} does.
>  We can support it for {{UDFRegistration.registerJavaFunction}} as well.



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