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https://issues.apache.org/jira/browse/HIVE-20148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez resolved HIVE-20148.
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Resolution: Duplicate
> Introduce rule to pushdown TopNKey through plan
> -----------------------------------------------
>
> Key: HIVE-20148
> URL: https://issues.apache.org/jira/browse/HIVE-20148
> Project: Hive
> Issue Type: Improvement
> Components: Physical Optimizer
> Affects Versions: 4.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Teddy Choi
> Priority: Major
>
> Follow-up for HIVE-17896, which introduces TopNKey operator.
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