如何从具有相同电子邮件地址的会议室数据库中检索数据列表

Question

I'm saving an object of user contact and in object, i have made email address primary key now I want to retrieve list of data that has similar email address, how can I do that right now only an object is retrieving rather than list of contact that has same email address, the query is:

 @Query("SELECT * FROM userContact WHERE email = :email")
public List<UserContact> getUserContactWith(String email);

Answer 1

如果电子邮件地址是主键，则具有特定电子邮件地址的记录不能超过1条。