[jira] Created: (OPENJPA-491) JPQL extension: scalar functions in GROUP BY

[Patrick Linskey (JIRA)]

JPQL extension: scalar functions in GROUP BY
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                 Key: OPENJPA-491
                 URL: https://issues.apache.org/jira/browse/OPENJPA-491
             Project: OpenJPA
          Issue Type: New Feature
    Affects Versions: 1.0.1, 1.0.0, 0.9.7, 0.9.6, 0.9.0
            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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