Update data without retrieving

Question

Can NHibernate update some (not all) fields in the table row without retrieving any data? I know Id of the entity.

Answer 1

You can find all the examples here:

http://nhibernate.info/doc/nh/en/index.html#batch-direct

Answer 2

session.CreateQuery("update Foo f set f.Date = :date where f.Id = :id")
    .SetParameter("date", DateTime.Now)
    .SetParameter("id", 25)
    .ExecuteUpdate();