Java 使用两个外键创建实体类-Spring JPA

Java 使用两个外键创建实体类-Spring JPA,java,spring-data-jpa,hibernate-mapping,Java,Spring Data Jpa,Hibernate Mapping,如何为下表创建实体类,下表有两个不同表的外键 CREATE TABLE `flights_info` ( `airline_id` bigint(20) NOT NULL, `flight_infoid` bigint(20) NOT NULL, UNIQUE INDEX `UK_mnghyk14c0ufcb2gs2k6fab40`(`flight_infoid`) , INDEX `FKm5m2579nqtr1wele0bimvme8m`(`airline_id`) ,

如何为下表创建实体类,下表有两个不同表的外键

CREATE TABLE `flights_info`  (
  `airline_id` bigint(20) NOT NULL,
  `flight_infoid` bigint(20) NOT NULL,
  UNIQUE INDEX `UK_mnghyk14c0ufcb2gs2k6fab40`(`flight_infoid`) ,
  INDEX `FKm5m2579nqtr1wele0bimvme8m`(`airline_id`) ,
  CONSTRAINT `FKlda61sltnw69kxw7b0gx6sj5s` FOREIGN KEY (`flight_infoid`) REFERENCES `flight_info` (`flight_infoid`) ON DELETE RESTRICT ON UPDATE RESTRICT,
  CONSTRAINT `FKm5m2579nqtr1wele0bimvme8m` FOREIGN KEY (`airline_id`) REFERENCES `airline_info` (`airline_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
);
我的实体类:

@Entity
public class FlightsInfo  {

    @Id
    @JoinTable(name="AirlineInfo", joinColumns=@JoinColumn(name="airline_id"))
    private AirlineInfo airline_id;
    @OneToOne
    @JoinColumn(name="flight_infoid")
    private FlightInfo flight_infoid;
}

问题是您的表没有主键。因此很难将
@Id
注释指向右边的列。但是,JPA接受不带PKs的表,只要您有一个唯一的列:

幸运的是,您在
flight\u infoid
列上有一个唯一的约束,因此您应该尝试在那里指向您的
@Id
注释