在JPA查询中使用group by和having

Question

您将如何使用JPA查询语言执行以下操作？

select * from person where email in
(select email from person group by email having count(email)>1)

Answer 1

终于找到了解决方案：

select p from Person p
where p.email in (
    select q.email
    from Person q
    group by q.email having count(q.email)>1)
order by p.email, p.id

Answer 2

从this link开始，解释了JPA SELECT Query的一般结构：

SELECT ... FROM ...
[WHERE ...]
[GROUP BY ... [HAVING ...]]
[ORDER BY ...]