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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-3432) perform a map-only group by if grouping key matches the sorting properties of the table
Date Thu, 13 Sep 2012 08:45:08 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain reassigned HIVE-3432:
--------------------------------

    Assignee: Namit Jain  (was: Sambavi Muthukrishnan)
    
> perform a map-only group by if grouping key matches the sorting properties of the table
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-3432
>                 URL: https://issues.apache.org/jira/browse/HIVE-3432
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.3432.1.patch
>
>
> There should be an option to use bucketizedinputformat and use map-only group by. There
would be no need to perform a map-side aggregation.

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