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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2340) optimize orderby followed by a groupby
Date Wed, 03 Aug 2011 08:11:27 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Navis updated HIVE-2340:
------------------------

    Attachment: HIVE-2340.1.patch

initial patch

> optimize orderby followed by a groupby
> --------------------------------------
>
>                 Key: HIVE-2340
>                 URL: https://issues.apache.org/jira/browse/HIVE-2340
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Query Processor
>            Reporter: Navis
>            Priority: Minor
>         Attachments: HIVE-2340.1.patch
>
>
> Before implementing optimizer for JOIN-GBY, try to implement RS-GBY optimizer(cluster-by
following group-by).

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