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https://issues.apache.org/jira/browse/SPARK-50739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-50739.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 49351
[https://github.com/apache/spark/pull/49351]
> Changes in ResolveWithCTE.scala to have the analyzer grok recursive anchors
> ---------------------------------------------------------------------------
>
> Key: SPARK-50739
> URL: https://issues.apache.org/jira/browse/SPARK-50739
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 4.0.0
> Reporter: Milan Cupac
> Assignee: Milan Cupac
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Introduction of UnionLoop and UnionLoopRef logical plan classes. Changes in
> ResolveWithCTE.scala to have the analyzer grok recursive anchors.
> Substitution of Union containing recursion with UnionLoop and recursive
> CTERelationRef with UnionLoopRef
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