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Date: Wed, 5 Sep 2012 22:52:07 +1100 (NCT)
From: "Namit Jain (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Commented] (HIVE-3430) group by followed by join with the
 same key should be optimized
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    [ https://issues.apache.org/jira/browse/HIVE-3430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13448653#comment-13448653 ] 

Namit Jain commented on HIVE-3430:
----------------------------------

The final join should be run as a sort-merge join ideally.
                
> group by followed by join with the same key should be optimized
> ---------------------------------------------------------------
>
>                 Key: HIVE-3430
>                 URL: https://issues.apache.org/jira/browse/HIVE-3430
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Namit Jain
>


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