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

Another method:

int employerCount = session
  .QueryOver()
  .Where(x => x.EmployerIsActive) // some condition if needed
  .Select(Projections.Count(x => x.EmployerId))
  .SingleOrDefault();