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https://issues.apache.org/jira/browse/SPARK-40414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17603559#comment-17603559
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Jungtaek Lim commented on SPARK-40414:
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Will submit a PR sooner.
> Fix PythonArrowInput and PythonArrowOutput to be more generic to handle
> complicated type/data
> ---------------------------------------------------------------------------------------------
>
> Key: SPARK-40414
> URL: https://issues.apache.org/jira/browse/SPARK-40414
> Project: Spark
> Issue Type: Improvement
> Components: PySpark
> Affects Versions: 3.4.0
> Reporter: Jungtaek Lim
> Priority: Major
>
> During the work of flatMapGroupsWithState in PySpark, we figured out that we
> are unable to reuse PythonArrowInput and PythonArrowOutput, as
> PythonArrowInput and PythonArrowOutput are too specific to the strict input
> data (row) and output data.
> To reuse the implementations we should make these traits more general to
> handle more generic type of data.
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