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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12644) Support for offset in HiveSortMergeRule
Date Thu, 10 Dec 2015 12:41:11 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-12644:
-------------------------------------------
    Component/s: CBO

> Support for offset in HiveSortMergeRule
> ---------------------------------------
>
>                 Key: HIVE-12644
>                 URL: https://issues.apache.org/jira/browse/HIVE-12644
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-12644.patch
>
>
> After HIVE-11531 goes in, HiveSortMergeRule needs to be extended to support offset properly
when it merges operators that contain Limit. Otherwise, limit pushdown through outer join
optimization (introduced in HIVE-11684) will not work properly.



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