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From "Teddy Choi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20150) TopNKey pushdown
Date Tue, 14 Aug 2018 03:15:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Teddy Choi updated HIVE-20150:
------------------------------
    Attachment: HIVE-20150.5.patch

> TopNKey pushdown
> ----------------
>
>                 Key: HIVE-20150
>                 URL: https://issues.apache.org/jira/browse/HIVE-20150
>             Project: Hive
>          Issue Type: Improvement
>          Components: Physical Optimizer
>    Affects Versions: 4.0.0
>            Reporter: Teddy Choi
>            Assignee: Teddy Choi
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-20150.1.patch, HIVE-20150.2.patch, HIVE-20150.4.patch, HIVE-20150.5.patch
>
>
> TopNKey operator is implemented in HIVE-17896, but it needs more work in pushdown implementation.
So this issue covers TopNKey pushdown implementation with proper tests.



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