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From "Patrick Linskey (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (OPENJPA-491) JPQL extension: scalar functions in GROUP BY
Date Wed, 16 Jan 2008 07:33:34 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Patrick Linskey reopened OPENJPA-491:
-------------------------------------


> JPQL extension: scalar functions in GROUP BY
> --------------------------------------------
>
>                 Key: OPENJPA-491
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-491
>             Project: OpenJPA
>          Issue Type: New Feature
>    Affects Versions: 0.9.0, 0.9.6, 0.9.7, 1.0.0, 1.0.1
>            Reporter: Patrick Linskey
>             Fix For: 1.1.0
>
>
> JPQL does not allow scalar functions to be used in GROUP BY clauses. This can be useful.
Example:
> select substring(o.stringField, 1, 1), count(o) from AllFieldTypes o
>     group by substring(o.stringField, 1, 1)

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