Gail is correct. extra-lazy is something else completely. On Oct 22, 2013 4:00 PM, "Gail Badner" <gbad...@redhat.com> wrote:
> As far as I can tell, "extra-lazy" applies to the collection itself, not > its elements. lazy="extra" is defined on <map>, <set>, <bag>, <idbag>, > <list>. > > Currently, an extra-lazy collection can be configured having > <many-to-many> with fetch="select" or outer-join="false". In the case of a > map, doing a lookup by key would not initialize the map (because the map is > extra-lazy) and it would return an uninitialized proxy for the value > (because of the fetch="select" or outer-join="false"). > > Do you think that would have a real-world application? > > Removing the fetch="select" or outer-join="false" functionality from > <many-to-many> on an extra-lazy collection would not change the normal > extra-lazy behavior, avoiding initialization of the collection itself. > > Gail > > ----- Original Message ----- > > From: "Sanne Grinovero" <sa...@hibernate.org> > > To: "Gail Badner" <gbad...@redhat.com> > > Cc: "hibernate-dev" <hibernate-dev@lists.jboss.org> > > Sent: Monday, October 21, 2013 4:47:58 PM > > Subject: Re: [hibernate-dev] Use cases for many-to-many collection of > proxies? > > > > Hi Gail, > > does this impact as well the "extra-lazy" collections? > > I definitely had great use cases for them in the past. > > > > On 21 October 2013 19:22, Gail Badner <gbad...@redhat.com> wrote: > > > Are there real-world use cases where an initialized many-to-many > collection > > > should contain elements that are uninitialized proxies > (HibernateProxy), > > > rather than entity instances? > > > > > > Currently, it is possible to configure this behavior using either: > > > > > > <many-to-many ... fetch="select"/> > > > <many-to-many ... outer-join="false"/> > > > > > > We are considering removing this capability if there are no real-world > use > > > cases. > > > > > > Fetch profiles do not provide this level of granularity. The fetch > style > > > for the collection itself, but not its elements, can be configured > using a > > > fetch profile. > > > > > > As far as I know, JPA does not provide this level of granularity > either. > > > > > > Please let us know if you are using this functionality. > > > > > > Thanks, > > > Gail > > > _______________________________________________ > > > hibernate-dev mailing list > > > hibernate-dev@lists.jboss.org > > > https://lists.jboss.org/mailman/listinfo/hibernate-dev > > > _______________________________________________ > hibernate-dev mailing list > hibernate-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/hibernate-dev > _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev
