How do I get row count using the NHibernate QueryOver api?

Question

I\'m using the QueryOver api that is part of NHibernate 3.x. I would like to get a row count, but the method I\'m using returns all objects and then gets the count of the colle

Answer 1

After a bit of playing around with the api, this will do it:

_session.QueryOver()
    .Select(Projections.RowCount())
    .FutureValue()
    .Value

If you don't want to return it as a future, you can just get the SingleOrDefault() instead.