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使用这个问题的公认答案，我已经能够使用 ICriteria 和投影连接两个字段。我结束了

return session.CreateCriteria<Contact>()
                .CreateAlias("USState","USState", NHibernate.SqlCommand.JoinType.LeftOuterJoin)
                .SetProjection(Projections.ProjectionList()
                     .Add(Projections.Property<Contact>(x=>x.Id), "Id")
                     .Add(Projections.SqlFunction("concat", 
                            NHibernateUtil.String,
                            Projections.Property<Contact>(x=>x.BasicInfo.FirstName),
                            Projections.Constant(' '),
                            Projections.Property<Contact>(x=>x.BasicInfo.LastName)),"Name")
                     .Add(Projections.Property<Contact>(x=>x.BasicInfo.City),"City")
                     .Add(Projections.Property<Contact>(x=>x.USState.Name) ,"State"))
                .Add(Restrictions.Where<Contact>(x => x.Pack == false))
                .AddOrder(new Order(Projections.Property<Contact>(x => x.BasicInfo.FirstName), true))
                .AddOrder(new Order(Projections.Property<Contact>(x => x.BasicInfo.LastName), true))
                .SetResultTransformer(NHibernate.Transform.Transformers.AliasToBean<ContactsViewModel>())
                .List<ContactsViewModel>();

这会将预期的查询发送到服务器并且正在工作。

我的问题是除了使用 SqlFunction 使用 ICriteria 和投影进行连接之外，是否还有其他方法。

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0 回答 0