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https://issues.apache.org/jira/browse/HIVE-12644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15065968#comment-15065968
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Jesus Camacho Rodriguez commented on HIVE-12644:
------------------------------------------------
Pushed to branch-2.0.
> 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
> Fix For: 2.0.0, 2.1.0
>
> Attachments: HIVE-12644.01.patch, HIVE-12644.02.patch,
> 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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