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https://issues.apache.org/jira/browse/SPARK-34888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17346115#comment-17346115
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Jungtaek Lim commented on SPARK-34888:
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Issue resolved by pull request 31986
https://github.com/apache/spark/pull/31986

> Introduce UpdatingSessionIterator adjusting session information on elements
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-34888
>                 URL: https://issues.apache.org/jira/browse/SPARK-34888
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Structured Streaming
>    Affects Versions: 3.2.0
>            Reporter: Jungtaek Lim
>            Priority: Major
>
> This issue tracks effort on introducing UpdatingSessionIterator, which 
> analyzes neighbor elements and adjust session information on elements.
> This issue also introduces UpdatingSessionExec which is the physical node on 
> leveraging UpdatingSessionIterator to sort the input rows and updates session 
> information on input rows.



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