protected override Expression VisitConstant(ConstantExpression node)
{
if (node.Type == typeof(TimeSpan))
{
return(Expression.Call(ReflectHelper.GetMethod(() => LinqExtensionMethods.MappedAs <object>(null, null)).GetGenericMethodDefinition().MakeGenericMethod(typeof(TimeSpan)), node, Expression.Constant(NHibernateUtil.TimeSpan)));
}
return(base.VisitConstant(node));
}