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Posted to issues@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2018/12/03 18:48:00 UTC

[jira] [Updated] (HIVE-20988) Wrong results for group by queries with primary key on multiple columns

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

Vineet Garg updated HIVE-20988:
-------------------------------
    Attachment: HIVE-20988.4.patch

> 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, HIVE-20988.3.patch, HIVE-20988.4.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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