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https://issues.apache.org/jira/browse/SPARK-55162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruifeng Zheng resolved SPARK-55162.
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Fix Version/s: 4.2.0
Resolution: Fixed
Issue resolved by pull request 53946
[https://github.com/apache/spark/pull/53946]
> Extract transformers from ArrowStreamUDFSerializer
> --------------------------------------------------
>
> Key: SPARK-55162
> URL: https://issues.apache.org/jira/browse/SPARK-55162
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 4.2.0
> Reporter: Yicong Huang
> Assignee: Yicong Huang
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> Extract the struct flattening/wrapping logic from
> \{{ArrowStreamUDFSerializer}} into reusable transformers in a new
> \{{transformers.py}} module.
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