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https://issues.apache.org/jira/browse/HIVE-23957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Magyar reassigned HIVE-23957:
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> Limit followed by TopNKey improvement
> -------------------------------------
>
> Key: HIVE-23957
> URL: https://issues.apache.org/jira/browse/HIVE-23957
> Project: Hive
> Issue Type: Improvement
> Reporter: Attila Magyar
> Assignee: Attila Magyar
> Priority: Major
>
> The Limit + topnkey pushdown might result a limit operator followed by a TNK
> in the physical plan. This likely makes the TNK unnecessary in cases like
> this. Need to investigate if/when we can remove the TNK.
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