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Posted to issues@trafodion.apache.org by "liu ming (JIRA)" <ji...@apache.org> on 2016/10/31 14:21:58 UTC

[jira] [Work started] (TRAFODION-2270) support ORDER BY clause in GROUP_CONCAT function

     [ https://issues.apache.org/jira/browse/TRAFODION-2270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on TRAFODION-2270 started by liu ming.
-------------------------------------------
> support ORDER BY clause in GROUP_CONCAT function
> ------------------------------------------------
>
>                 Key: TRAFODION-2270
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-2270
>             Project: Apache Trafodion
>          Issue Type: Sub-task
>            Reporter: liu ming
>            Assignee: liu ming
>
> currently, GROUP_CONCAT() in Trafodion cannot recognize order by clause, need to support it.
> for example:
> SELECT student_name,
>           GROUP_CONCAT(DISTINCT test_score
>                     ORDER BY test_score asc SEPARATOR ' ')
>           FROM student
>           GROUP BY student_name;   
> 		  



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