[jboss-user] [EJB 3.0] - Re: What causes EntityExistsException?
lightbulb432
do-not-reply at jboss.com
Mon Dec 18 18:57:39 EST 2006
What qualifies as being "already persistent"?
Does that mean an entity whose equals() test returns true, or does it look at the @Entity definition at the Id and/or @Column(unique=true) fields only?
Also, does it drill down to the actual database layer at insertion time for tables with unique constraints but no corresponding annotation defined on the entity? Or does that come back as a different kind of error?
I haven't seen this documented anywhere, so I'm wondering...
Thanks.
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