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Posted to issues@tajo.apache.org by "Seungun Choe (JIRA)" <ji...@apache.org> on 2015/03/24 02:56:54 UTC

[jira] [Created] (TAJO-1448) Implement nth_value window function.

Seungun Choe created TAJO-1448:
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             Summary: Implement nth_value window function. 
                 Key: TAJO-1448
                 URL: https://issues.apache.org/jira/browse/TAJO-1448
             Project: Tajo
          Issue Type: New Feature
            Reporter: Seungun Choe
            Assignee: Seungun Choe
            Priority: Minor


Function : nth_value(value any, nth integer)
Return Type : same type as value
Description : returns value evaluated at the row that is the nth row of the window frame (counting from 1); null if no such ro



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