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Posted to issues@hive.apache.org by "Teddy Choi (JIRA)" <ji...@apache.org> on 2018/08/09 15:02:00 UTC

[jira] [Updated] (HIVE-20150) TopNKey pushdown

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

Teddy Choi updated HIVE-20150:
------------------------------
    Attachment: HIVE-20150.1.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
>         Attachments: HIVE-20150.1.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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