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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20988) Wrong results for group by queries with primary key on multiple columns
Date Fri, 30 Nov 2018 18:49:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vineet Garg updated HIVE-20988:
-------------------------------
    Status: Patch Available  (was: Open)

> Wrong results for group by queries with primary key on multiple columns
> -----------------------------------------------------------------------
>
>                 Key: HIVE-20988
>                 URL: https://issues.apache.org/jira/browse/HIVE-20988
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 4.0.0
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>         Attachments: HIVE-20988.1.patch, HIVE-20988.2.patch
>
>
> If a table has multi column primary key group by optimization ends up removing group
by which is semantically incorrect.



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