[hibernate-issues] [Hibernate-JIRA] Created: (ANN-682) @ForeignKey override of @MappedSuperclass

[Christian Bauer (JIRA)]

@ForeignKey override of @MappedSuperclass
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                 Key: ANN-682
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-682
             Project: Hibernate Annotations
          Issue Type: New Feature
          Components: binder
            Reporter: Christian Bauer


Put this @ManyToOne in a @MappedSuperclass:

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "CREATED_BY_USER_ID", nullable = false)
    // Ideally this foreign key should be ON DELETE SET NULL, however...
    // Hibernate can't rename these so subclasses would get the same FK constraint name. This doesn't
    // work, so we need to let Hibernate create a random identifier for these. We could fix this in the
    // DatabaseObjects.hbm.xml file but we can't even address it because the name is random. This sucks.
    // So we do a manual SET NULL|DEFAULT when userHome.remove() is called.
    // @org.hibernate.annotations.ForeignKey(name = "FK_WIKI_NODE_CREATED_BY_USER_ID")
    protected User createdBy;

Now all subclasses get that foreign key constraint name in the database catalog, which isn't possible - constraint names have to be unique. 




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