功能NHibernate QueryOver SQL“案例”相当于

Question

基本上就是我想要做的就是写这篇文章的SQL：

SELECT 
CASE 
    WHEN t.type = 'a' THEN 
     t.name 
    ELSE 
     t.otherName 
    END 
    as "Name" 
FROM myTable t 

在QueryOver

Answer 1

也许有一些更好的语法可能的，但这应该做的

var result = session.QueryOver<MyEntity>() 
    .Select(Projections.Alias(
     Projections.Conditional(Restrictions.Eq("type", 'a'), 
      Projections.Property(t => t.name), 
      Projections.Property(t => t.othername)), 
     "Name" 
    ) 
    .List();