[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - Re: Join Fetch returning cartesian product
Holy Joe
do-not-reply at jboss.com
Tue Aug 22 17:09:29 EDT 2006
>From the EJB 3 Java Persistence API doc:
anonymous wrote :
| SELECT d
| FROM Department d LEFT JOIN FETCH d.employees
| WHERE d.deptno = 1
|
| A fetch join has the same join semantics as the corresponding inner or outer join, except that the related
| objects specified on the right-hand side of the join operation are not returned in the query result or otherwise
| referenced in the query. Hence, for example, if department 1 has five employees, the above query
| returns five references to the department 1 entity.
|
Which seems to imply that what you see is the defined behavior, although I can't imagine why.
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