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From "Namit Jain (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-2642) fix Hive-2566 and make union optimization more aggressive
Date Wed, 21 Dec 2011 17:19:31 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain resolved HIVE-2642.
------------------------------

      Resolution: Fixed
    Hadoop Flags: Reviewed

Committed. Thanks Yongqiang
                
> fix Hive-2566 and make union optimization more aggressive 
> ----------------------------------------------------------
>
>                 Key: HIVE-2642
>                 URL: https://issues.apache.org/jira/browse/HIVE-2642
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: He Yongqiang
>            Assignee: He Yongqiang
>         Attachments: HIVE-2642.D735.1.patch
>
>
> Hive-2566 did some optimizations to union, but cause some problems. And then got reverted.
This is to get it back and fix the problems we saw, and also make union optimization more
aggressive.

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