[hibernate-issues] [Hibernate-JIRA] Commented: (JPA-7) JPA Support of Enum as Primary Key

[Bernard (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/JPA-7?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42336#action_42336 ] 

Bernard commented on JPA-7:
---------------------------

Karsten, are you able to run the attached testcase successfully? If yes then please report the Hibernate version and we could say that this enhancement is obsolete.

> JPA Support of Enum as Primary Key
> ----------------------------------
>
>                 Key: JPA-7
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/JPA-7
>             Project: Java Persistence API
>          Issue Type: Improvement
>    Affects Versions: 1.0.1
>         Environment: java version "1.6.0_21"
> Java(TM) SE Runtime Environment (build 1.6.0_21-b07)
> Java HotSpot(TM) Client VM (build 17.0-b17, mixed mode, sharing)
> Hibernate JPA as installed with latest NetBeans release 6.9.1
>            Reporter: Bernard
>            Priority: Critical
>         Attachments: TestCase.zip
>
>
> Enums work as primary keys in TopLink and EclipseLink. 
> DataNucleus supports them, too:
> http://www.datanucleus.org/products/accessplatform/jpa/primary_key.html
> In the attached testcase, JPA, via persistence.xml, creates a database column type of
> VARBINARY. The data contained in it is like:
> 10101100111011010000000000000101~r0000000000011000main.MyEntity$EntityType0000000000000000000000000000000000000000000000000000000000000000000100100000000000000000xr0000000000001110java.lang.Enum0000000000000000000000000000000000000000000000000000000000000000000100100000000000000000xpt0000000000000110TYPE_1	Type 1
> That is not what we need.
> We need an integer because in the entity class, we specify
> @Enumerated(value = EnumType.ORDINAL)
> While Enum as ID field is not specifically supported in the JPA specs, it is not specifically excluded, either.
> It would be desirable to have the new version of the spec include this feature, too.
> The attached testcase (zip file) runs with NetBeans out of the box.

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