假设以下课程,您如何找到Person
具有特定电子邮件地址的电子邮件地址?
public class Person implements Comparable<Person> {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name="id")
private long id = 0;
@OneToMany(cascade={CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REMOVE}, fetch=FetchType.LAZY)
private Set<String> email = new HashSet<String>();
}
就这么简单,还是有合适的方法?
select p from Person p where p.email=:email