[jira] [Created] (HIVE-5588) change TopN to be an operator

[Sergey Shelukhin (JIRA)]

Sergey Shelukhin created HIVE-5588:
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             Summary: change TopN to be an operator
                 Key: HIVE-5588
                 URL: https://issues.apache.org/jira/browse/HIVE-5588
             Project: Hive
          Issue Type: Task
            Reporter: Sergey Shelukhin
            Assignee: Sergey Shelukhin


See HIVE-5503, as well as the discussion in HIVE-3562.
If topN is a separate operator, it can be reused for file sink, and vectorized 
version can be implemented.



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