Play框架onetoone删除引用完整性
我遇到 JUnit 测试的引用完整性约束违规。使用 playframework 和我的两个实体如下。
@Entity
public class User extends Model{
public String email;
public String password;
@OneToOne(mappedBy="user",cascade=CascadeType.ALL)
public Patent patent;
}
@Entity
public class Patent extends Model{
@OneToOne
public User user;
}
在我的 Junit 测试中，以下行失败了
User.findById(user.id)._delete();
Referential integrity constraint violation: "FK340C82E547140EFE: PUBLIC.PATENT FOREIGN KEY(USER_ID) REFERENCES PUBLIC.USER(ID)"; SQL statement:
delete from User where id=? [23003-149]
谢谢
I get a referential integrity constraint violation for a JUnit Test. Using playframework and my two entities are as follows.
@Entity
public class User extends Model{
public String email;
public String password;
@OneToOne(mappedBy="user",cascade=CascadeType.ALL)
public Patent patent;
}
@Entity
public class Patent extends Model{
@OneToOne
public User user;
}
In my Junit test the following line fails
User.findById(user.id)._delete();
Referential integrity constraint violation: "FK340C82E547140EFE: PUBLIC.PATENT FOREIGN KEY(USER_ID) REFERENCES PUBLIC.USER(ID)"; SQL statement:
delete from User where id=? [23003-149]
Thank you
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您只能对关系的所有者使用一个 @OneToOne 注释。在您的情况下，用户拥有该专利，因此您可以从您的专利实体中删除以下内容：
再次尝试删除。
You should only use one @OneToOne annotation on the owner of the relationship. In your case the user owns the patent so you can remove the following from your Patent entity:
Try this with delete again.