[jira] Updated: (DERBY-883) Enhance GROUP BY clause to support expressions instead of just column references.

["Yip Ng (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/DERBY-883?page=all ]

Yip Ng updated DERBY-883:
-------------------------

      Component/s: Documentation
    Fix Version/s: 10.2.1.6
                       (was: 10.3.0.0)

This feature is integrated into 10.2, so the fix version should be 10.2.1.6 and not 10.3.0.0.

Including the Documentation component since it needs to be documented in 10.2 reference manual - GROUP BY clause.

http://db.apache.org/derby/docs/10.2/ref/rrefsqlj32654.html



> Enhance GROUP BY clause to support expressions instead of just column references.
> ---------------------------------------------------------------------------------
>
>                 Key: DERBY-883
>                 URL: http://issues.apache.org/jira/browse/DERBY-883
>             Project: Derby
>          Issue Type: New Feature
>          Components: SQL, Documentation
>    Affects Versions: 10.1.2.1, 10.2.1.6
>         Environment: JDK 1.5.0_05
>            Reporter: Lluis Turro
>         Assigned To: Manish Khettry
>             Fix For: 10.2.1.6
>
>         Attachments: 883.patch.txt, 883.patch3.txt, 883.patch4.txt, 883.patch5.txt, 883.patch6.txt, 883.patch6.txt, 883.patch7.txt
>
>
> This select would return an error syntax on finding "(" after month if group by clause:
> select idissue, month(creation), year(creation), count(distinct idissue)
> where 
>   ....
> group by idissue, month(creation), year(creation)

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