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Posted to dev@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2013/10/26 04:20:31 UTC

[jira] [Updated] (HIVE-5503) TopN optimization in VectorReduceSink

     [ https://issues.apache.org/jira/browse/HIVE-5503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Shelukhin updated HIVE-5503:
-----------------------------------

    Attachment: HIVE-5503.patch

This achieves bug parity with existing HIVE (see HIVE-5657, HIVE-5658)

> TopN optimization in VectorReduceSink
> -------------------------------------
>
>                 Key: HIVE-5503
>                 URL: https://issues.apache.org/jira/browse/HIVE-5503
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Jitendra Nath Pandey
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-5503.patch
>
>
> We need to add TopN optimization to VectorReduceSink as well, it would be great if ReduceSink and VectorReduceSink share this code.



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