[jboss-dev-forums] [Design of EJB 3.0] - Re: Unnecessary read before update with merge()

[markvl2]

OK, so I can use an Hibernate extension to workaround the issue.

I see that the Hibernate doc says that merge() behaves this way (http://www.hibernate.org/hib_docs/entitymanager/reference/en/html_single/#d0e897), but where can I found the EJB3 spec stating this should be the behaviour of merge()? I can't find that being covered in the Sun doc.

It would be nice if the EJB3 spec provided a way of avoiding this inefficiency.

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