[hibernate-issues] [Hibernate-JIRA] Commented: (ANN-95) Cannot create a unique constraint on columns belonging to both the superclass and the class

[Olaf Lenzmann (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/ANN-95?page=comments#action_26360 ] 

Olaf Lenzmann commented on ANN-95:
----------------------------------

The issue as described in the forum entry is still unresolved as of 3.2.1GA: if one of the unique constraint cols is inherited from an abstract base class, the NPE occurrs. I'm using TABLE_PER_CLASS, so semantically this constraint makes sense (it's of course not possible for TABLE_PER_SUBCLASS to have DB-level unique constraints across cols from different entities in the inheritance hierarchy).

> Cannot create a unique constraint on columns belonging to both the superclass and the class
> -------------------------------------------------------------------------------------------
>
>          Key: ANN-95
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-95
>      Project: Hibernate Annotations
>         Type: Bug

>   Components: binder
>     Versions: 3.1beta5
>     Reporter: Emmanuel Bernard
>     Assignee: Emmanuel Bernard
>     Priority: Minor
>      Fix For: 3.2.0.cr1

>
>
> http://www.jboss.com/index.html?module=bb&op=viewtopic&t=68664
> @Entity
> @Table(name="award_category_name_l10n", 
>        uniqueConstraints={
>             @UniqueConstraint(columnNames={"award_category_id", "language_id"})
>        }
> )
> public class AwardCategoryNameL10n extends AwardCategoryL10n { .. }

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