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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/01/22 18:19:00 UTC
[jira] [Commented] (SPARK-28344) fail the query if detect ambiguous
self join
[ https://issues.apache.org/jira/browse/SPARK-28344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17021351#comment-17021351 ]
Dongjoon Hyun commented on SPARK-28344:
---------------------------------------
Hi, [~cloud_fan].
This improvement prevents the correctness issues. So, I switched this to `Bug` .
Could you make a backport this to `branch-2.4`?
> 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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