Hi, Making the superclass an embeddable should not prevent it from being subclassed by other entities.
Regards, Fay ----- Original Message ---- From: llchen <llc...@sympatico.ca> To: users@openjpa.apache.org Sent: Tue, July 13, 2010 3:42:26 AM Subject: Re: JPA genereates non-exist id column in the select statement Thanks for your suggestion, I will try that embedable option. But that second entity VoVariableData actually is a super class for onother three entities. If I make that one into a embedable, then the other three will not be able to subclass from it. Lule -- View this message in context: http://openjpa.208410.n2.nabble.com/JPA-genereates-non-exist-id-column-in-the-select-statement-tp5282960p5286901.html Sent from the OpenJPA Users mailing list archive at Nabble.com.