[
https://issues.apache.org/jira/browse/HIVE-20988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16705174#comment-16705174
]
Jesus Camacho Rodriguez commented on HIVE-20988:
------------------------------------------------
+1 (pending tests)
> 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.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
