Hi Gail, Also with that PR I am still seeing the extra updates during insert. Regarding merging, which case exactly do you mean? If I add another element to the Parent#children association, I see INSERT+UPDATE for that, too. Is it that what you mean?
--Gunnar 2016-01-21 22:50 GMT+01:00 Gail Badner <gbad...@redhat.com>: > Actually, that pull request will only affect merging transient entities. Are > you seeing the extra updates when merging? > > On Thu, Jan 21, 2016 at 1:09 PM, Gail Badner <gbad...@redhat.com> wrote: >> >> Hi Gunnar, >> >> Can you try using this pull request for HHH-9979 [1] to see if the extra >> updates go away? >> >> This pull request is already closed because I am going to use new >> OperationContext functionality to fix HHH-9979. I know this pull request >> does get rid of some updates, and the future one will as well. >> >> Thanks, >> Gail >> >> [1] https://github.com/hibernate/hibernate-orm/pull/1067 >> >> >> On Thu, Jan 21, 2016 at 3:25 AM, Gunnar Morling <gun...@hibernate.org> >> wrote: >>> >>> Steve, all, >>> >>> I have a model with two entities, Parent and Child, and an >>> unidirectional one-to-many association from the former to the latter. >>> >>> Via @JoinColumn on the association it is ensured that the Parent FK is >>> stored in the Child table, i.e. without a separate join table. When >>> inserting a Parent and several Child entities, I see the following >>> statements: >>> >>> INSERT INTO parent (id, name) VALUES (?,?) >>> >>> INSERT INTO child (id, childname) VALUES (?,?) >>> INSERT INTO child (id, childname) values (?,?) >>> >>> UPDATE CHILD SET Parent_id=? WHERE id=? >>> UPDATE CHILD SET Parent_id=? WHERE id=? >>> >>> Why is it that the FK is propagated through separate updates instead >>> of doing it as part of the Child insert? >>> >>> Thanks, >>> >>> --Gunnar >>> _______________________________________________ >>> 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
