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https://issues.apache.org/jira/browse/HIVE-8391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162958#comment-14162958
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Sergey Shelukhin commented on HIVE-8391:
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can you add test to some q file? 

> Comparion between TIMESTAMP and Integer types goes to STRING as "common 
> comparison denominator" instead of a numeric type
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-8391
>                 URL: https://issues.apache.org/jira/browse/HIVE-8391
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO, Logical Optimizer
>    Affects Versions: 0.14.0
>            Reporter: Matt McCline
>            Assignee: Jason Dere
>            Priority: Critical
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8391.1.patch
>
>
> Discovered while investigating why vectorization_7.q has different results 
> for non-vectorized [+CBO] and vectorized [+CBO].



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