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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2015/12/10 13:40:10 UTC

[jira] [Commented] (HIVE-12644) Support for offset in HiveSortMergeRule

    [ https://issues.apache.org/jira/browse/HIVE-12644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15050919#comment-15050919 ] 

Jesus Camacho Rodriguez commented on HIVE-12644:
------------------------------------------------

[~jpullokkaran], since you reviewed HIVE-11684, could you take a look? Thanks

> Support for offset in HiveSortMergeRule
> ---------------------------------------
>
>                 Key: HIVE-12644
>                 URL: https://issues.apache.org/jira/browse/HIVE-12644
>             Project: Hive
>          Issue Type: Bug
>    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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