[jira] [Updated] (SPARK-44005) Support returning a non-tuple value for regular Python UDTFs

["Allison Wang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-44005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allison Wang updated SPARK-44005:
---------------------------------
    Summary: Support returning a non-tuple value for regular Python UDTFs  (was: Improve the error messages when a UDTF returns a non-tuple value)

> Support returning a non-tuple value for regular Python UDTFs
> ------------------------------------------------------------
>
>                 Key: SPARK-44005
>                 URL: https://issues.apache.org/jira/browse/SPARK-44005
>             Project: Spark
>          Issue Type: Sub-task
>          Components: PySpark
>    Affects Versions: 3.5.0
>            Reporter: Allison Wang
>            Priority: Major
>
> Currently, if you have a UDTF like this:
> {code:java}
> class TestUDTF:
>     def eval(self, a: int):
>         yield a {code}
> and run the UDTF, it will fail with a confusing error message like
> {code:java}
> Unexpected tuple 1 with StructType {code}
> We should make this error message more user-friendly.



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