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