Re: Collection field part of a compound primary key

[Craig L Russell]

Hi,






THanks,

Craig

On Jul 19, 2007, at 6:04 AM, CASERO Jaime wrote:

Could you please be more specific as to what you tried? I'm a bit confused as to whether you're talking about a ToOne relationship or a ToMany relationship being used as part of a primary key. It would help if you would post your class (just the id fields would be fine) and the id class you tried.

Hello all,


primary key formed by a basic field, and a collection. I have tried
using an "Id class", and using "unique-constraint", but without any
results.




of the primary key) used frequently in any relational data model.




would be very appreciated.



            Thanks in advance, regards.



Jaime Casero

Confidentiality Statement:


-----------------------------

I'm wondering if OpenJPA supports the creation of a compound I think this is a very basic feature (A foreign key is part Can anyone confirm this feature support?. Any simple example This message is intended only for the individual or entity to which it is addressed. It may contain privileged, confidential information which is exempt from disclosure under applicable laws. If you are not the intended recipient, please note that you are strictly prohibited from disseminating or distributing this information (other than to the intended recipient) or copying this information. If you have received this communication in error, please notify us immediately by return email.

Craig Russell
Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
408 276-5638 mailto:[EMAIL PROTECTED]
P.S. A good JDO? O, Gasp!

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