natural-id not supported inside joined-subclass

niqueco · **Posted:** Sun Dec 11, 2005 11:21 am

Hibernate version: 3.1rc3

Hi! I have a simple hierarchy. I'd like to define a "natural-id" in one "joined" subclass. This is not allowed in the DTD, I assume there's no support for this in Hibernate code either. Is there any workaround? Is this a planned feature? Is there a new DTD for 3.1?

I couldn't find anything in Jira and in the forum I could only find an unaswered query ( http://forums.hibernate.org/viewtopic.p ... 9e0e0984af ).

Thanks!

niqueco · **Posted:** Mon Dec 12, 2005 1:45 pm

Should I create a new Jira issue for this? (If this turns out to be an issue)

nathanmoon · **Posted:** Mon Dec 12, 2005 1:58 pm

niqueco wrote:

Is there a new DTD for 3.1?

You can always crack open the Hibernate 3.1 jar and find the DTD inside to see if it's been added in the latest version.

niqueco · **Posted:** Mon Dec 12, 2005 8:12 pm

nathanmoon wrote:

niqueco wrote:

Is there a new DTD for 3.1?

You can always crack open the Hibernate 3.1 jar and find the DTD inside to see if it's been added in the latest version.

There has been no change in 3.1's DTD. It seems Hibernate does not support placing a natural key using the subclass fields. And there seems to be no way of putting arbitrary indexes either. It seems I'll need to manually add a unique index myself... =/