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From "Laljo John Pullokkaran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9663) GroupBy Optimization
Date Thu, 12 Feb 2015 03:00:16 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Laljo John Pullokkaran updated HIVE-9663:
-----------------------------------------
    Status: Patch Available  (was: Open)

> GroupBy Optimization
> --------------------
>
>                 Key: HIVE-9663
>                 URL: https://issues.apache.org/jira/browse/HIVE-9663
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Laljo John Pullokkaran
>            Assignee: Laljo John Pullokkaran
>         Attachments: HIVE-9663.patch
>
>
> It seems like GB op for every tuple while handling grouping sets performs unnecessary
computations.



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