是否可以转换此类查询:
SELECT field1, field2 FROM table WHERE SHA1(field1 + field2) = 'hash';
进入NHibernate的Criteria语言?例如:
session.CreateCriteria<Car>()
.Add(Expression.Eq("SHA1(field1 + field2)", "hash"));
答案 0 :(得分:2)
也许这个答案对你有用吗?
https://stackoverflow.com/a/797243
我会尝试类似的事情:
ISQLFunction sqlAdd = new VarArgsSQLFunction("(", "+", ")");
var concat = Projections.SqlFunction(sqlAdd, NHibernateUtil.String, Projections.Property("ObjectProperty1"), Projections.Property("ObjectProperty2"));
var sha1 = Projections.SqlFunction("SHA1", NHibernateUtil.String, concat);
...
session.CreateCriteria<Car>().Add(Expression.Eq(sha1, "hash"));