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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/07/09 06:31:05 UTC

[jira] [Updated] (TAJO-922) Add NTH_VALUE window function

     [ https://issues.apache.org/jira/browse/TAJO-922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyunsik Choi updated TAJO-922:
------------------------------

    Component/s:     (was: planner/optimizer)
                 function/udf

> Add NTH_VALUE window function
> -----------------------------
>
>                 Key: TAJO-922
>                 URL: https://issues.apache.org/jira/browse/TAJO-922
>             Project: Tajo
>          Issue Type: Sub-task
>          Components: function/udf, physical operator
>            Reporter: Hyunsik Choi
>             Fix For: window function
>
>
> The NTH_VALUE window function returns the value of the specified row of the window frame relative to the first row of the window. We need to implement it.



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