The EJB spec says: "the names of the fields in the PK
class must be a subset of the names of the CMP fields".
This is enough for JOnAS to make its job !

François

[EMAIL PROTECTED] wrote:

> I am using JOnAS 2.2.4 with CMP EBs. I want to make a simple CMP EB that has a 
>findByPrimeryKey. Now actually, the PK is a
> compound key on the RDBMS, so I made PK class. The question is: How does JOnAS know 
>what field in the PK class to use on what
> position in the WHERE clause?

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