Using group by and having in a JPA query
문제
How would you do the following using the JPA query language?
select * from person where email in
(select email from person group by email having count(email)>1)
해결책
Finally found a solution:
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
다른 팁
From this link, there's a explanation of the general structure of a JPA SELECT Query:
SELECT ... FROM ...
[WHERE ...]
[GROUP BY ... [HAVING ...]]
[ORDER BY ...]
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