Question

我有一个spring boot应用程序并使用以下User模型类。

 @Entity
public class User {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;

    private String name;
    private String emailAddress;
    private Boolean active;
    private String password;
    private boolean techLead;
    private boolean sdm;
    private boolean admin;

    @OneToMany(fetch = FetchType.EAGER)
    private Set<Circle> sdmForCircle;

    @OneToMany(fetch = FetchType.EAGER)
    private Set<Node> techLeadForNode;

    @OneToMany(fetch = FetchType.EAGER)
    private Set<Operator> userWorkingForOperator;

..................

加载Spring启动应用程序后，它会自动为sdmForCircle，userWorkingForOperator和techLeadForNode创建表，但这些表是使用不必要的唯一约束创建的。我想停止自动添加ADDED的唯一约束。

请建议。

Answer 1

如果您不想要唯一性，请改用ManyToMany。

Answer 2

Another approach might be turning off automatic ddl generation. You can do it by adding Spring Boot properties:

spring.jpa.generate-ddl=false
spring.jpa.hibernate.ddl-auto=none

spring数据创建不必要的唯一约束

2 个答案: