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https://issues.apache.org/jira/browse/SPARK-28344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17027973#comment-17027973
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Dongjoon Hyun commented on SPARK-28344:
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Please refer the discussion on our backporting efforts.
- https://github.com/apache/spark/pull/27417
I removed `Target Version: 2.4.5` for now. If we need this in `branch-2.4`
later, `Target Version` will be `2.4.6`.
> fail the query if detect ambiguous self join
> --------------------------------------------
>
> Key: SPARK-28344
> URL: https://issues.apache.org/jira/browse/SPARK-28344
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.4, 2.4.4, 3.0.0
> Reporter: Wenchen Fan
> Assignee: Wenchen Fan
> Priority: Major
> Labels: correctness
> Fix For: 3.0.0
>
>
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