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https://issues.apache.org/jira/browse/HIVE-8635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14187313#comment-14187313
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Sergey Shelukhin commented on HIVE-8635:
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[~ashutoshc] [~jpullokkaran] tiny patch, can you guys check?
In this method, when getColsByRegex is called, it passes "true" as the last
argument, to ensure unique columns.
This check was not extended to the clause of the if that doesn't call
getCols... but just adds the thing directly.
Now it's being extended
> CBO: ambiguous_col negative test no longer fails
> ------------------------------------------------
>
> Key: HIVE-8635
> URL: https://issues.apache.org/jira/browse/HIVE-8635
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Critical
> Attachments: HIVE-8635.patch
>
>
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