2010-08-09 7 views

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7

enfin trouvé une 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 
3

De this link, il y a une explication de la structure générale d'une JPA requête de sélection:

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