[hibernate-issues] [Hibernate-JIRA] Commented: (ANN-862) Having to use @ForceDiscriminator kind of breaks JPA compatibility

[Albert Kurucz (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/ANN-862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=33857#action_33857 ] 

Albert Kurucz commented on ANN-862:
-----------------------------------

http://www.gmarwaha.com/blog/2009/08/26/hibernate-why-should-i-force-discriminator/

> Having to use @ForceDiscriminator kind of breaks JPA compatibility
> ------------------------------------------------------------------
>
>                 Key: ANN-862
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-862
>             Project: Hibernate Annotations
>          Issue Type: Improvement
>    Affects Versions: 3.4.0.GA, 3.5, JPA 2.0
>         Environment: JPA
>            Reporter: Albert Kurucz
>
> According to
> http://opensource.atlassian.com/projects/hibernate/browse/ANN-36
> @ForceDiscriminator was created as a quick workaround to a problem.
> Yes, it solves the problem, but it creates a new problem:
> the source code which previously had only JPA annotations, now need to be annotated by a Hibernate annotation,
> causing that the the source code is now unable to use just any JPA provider.
> Major portability issue!
> Everyone who likes Open Source, hates Lock-Ins!
> My proposal: change the default to a more sane force=true, so that @ForceDiscriminator will not be needed for general JPA projects.
> (And create a @DisableDiscriminator Hibernate annotation, for those who like to brake their code).
> If changing default behavior is risky, don't fix this on older versions, but lets change this from 3.5.0-Beta2.

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