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From "He Yongqiang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-942) use bucketing for group by
Date Thu, 21 Apr 2011 00:05:06 GMT

     [ https://issues.apache.org/jira/browse/HIVE-942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

He Yongqiang updated HIVE-942:
------------------------------

    Assignee:     (was: He Yongqiang)

> use bucketing for group by
> --------------------------
>
>                 Key: HIVE-942
>                 URL: https://issues.apache.org/jira/browse/HIVE-942
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Namit Jain
>
> Group by on a bucketed column can be completely performed on the mapper if the split
can be adjusted to span the key boundary.

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