[ https://issues.apache.org/jira/browse/OPENJPA-1308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Donald Woods updated OPENJPA-1308:
----------------------------------

    Affects Version/s: 2.0.0-M3
        Fix Version/s:     (was: 2.0.0)
                       2.0.0-M4
                       1.3.0

> shouldn't always use CAST with UPPER and LOWER for DB2
> ------------------------------------------------------
>
>                 Key: OPENJPA-1308
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1308
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 1.0.3, 1.2.1, 2.0.0-M2, 2.0.0-M3
>         Environment: DB2
>            Reporter: B.J. Reed
>            Assignee: Michael Dick
>            Priority: Minor
>             Fix For: 1.0.4, 1.2.2, 1.3.0, 2.0.0-M4
>
>         Attachments: OPENJPA-1308-1.0.x.patch, OPENJPA-1308-1.2.x.patch, OPENJPA-1308-trunk.patch
>
>
> Using DB2, when a user uses the UPPER or LOWER function, the field is automatically CAST to a varchar.  It would be nice if OpenJPA were a little smarter and only used CAST when necessary.  Using the CAST causes any indexes not to be used so performance won't be what it should.
> I saw some other DB2 functions that also are always CAST, so we may need to improve these also.

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