NHibernate linq - 在映射时使用lambda表达式代替公式属性

NHibernate has an attribute on the property element in the mapping config named "formula" that allows the injections of sql to "calculate" a property. The issue I have is the formula using sql syntax directly. Is there a way to have nhibernate.linq to use a lambda expression instead of using the formula property. NHibernate has an attribute on the property ele