Hi, I use Session.Merge to update detached entities(A root entity containing dozens of child entities to which the Merge is cascaded). When I do the Merge, NHibernate fetches entities from the database by doing one SELECT for each entity, and that leads to a lot of SELECT...this doesn't seem to be very efficient. Is there a way to make NHibernate batch the SELECTs during a Merge(like batch-size, but it doesn't seem to work for Merge) So we would have : SELECT ... FROM A WHERE Id in (1,2,3,4,5,6) instead of SELECT ... FROM A WHERE Id = 1 SELECT ... FROM A WHERE Id = 2 SELECT ... FROM A WHERE Id = 3 SELECT ... FROM A WHERE Id = 4 SELECT ... FROM A WHERE Id = 5 SELECT ... FROM A WHERE Id = 6
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