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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-1743) Group-by to determine equals of Keys in reverse order
Date Thu, 11 Nov 2010 04:24:14 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain updated HIVE-1743:
-----------------------------

       Resolution: Fixed
    Fix Version/s: 0.7.0
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

Committed. Thanks Siying

> Group-by to determine equals of Keys in reverse order
> -----------------------------------------------------
>
>                 Key: HIVE-1743
>                 URL: https://issues.apache.org/jira/browse/HIVE-1743
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Siying Dong
>            Assignee: Siying Dong
>            Priority: Minor
>             Fix For: 0.7.0
>
>         Attachments: HIVE-1743.1.patch
>
>
> When processing group-by, in reduce side, keys are ordered. Comparing equality of two
keys can be more efficient in reverse order.

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