grails - Grails GORM问题

Question

我有两个域类:

class A {
 String Name
 ...
}

class B {
 A request
 B response
 ...
}

如何获得B中作为“请求”呈现的唯一As列表？我试过了

def g = A.findAll("from A as e, B as r where e=r.request")

但是我在提取结果对象时遇到问题。

谢谢

Answer 1

B.executeQuery( "select distinct b.request from B b" );