13 | Error 363 - Failed to read value of inverse relationshipI've got two objects: @Entity public class EEvent { @Id @GeneratedValue(strategy ... @GeneratedValue private Long id; private int permission = 0, activePermission = 0; private ... static final long serialVersionUID = 1L; @Id @GeneratedValue private Long id |
13 | Need help to make this test work and define proper annotations for entities Lists; import javax.persistence.EntityManagerFactory; import javax.persistence.GeneratedValue; import ... class OrderDat implements Serializable { @Id @GeneratedValue private long id ... { @Id @GeneratedValue private long id; public List<String> image |
13 | Find the error...JPA ENTITY HIBERNATE javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence ... { private static final long serialVersionUID = 1L; // @GeneratedValue @Id @Column(name = "id") @GeneratedValue(strategy = GenerationType.IDENTITY) private int id; @Column(name = "username") private |
12 | Join performance in Objectdb public static class A { @Id @GeneratedValue long id; B b; long bId ... ", allocationSize=1000) public static class B { @Id @GeneratedValue(strategy=GenerationType ... ", allocationSize=1000) public static class C { @Id @GeneratedValue(strategy |
12 | Uninitialized primary key (id = 0) with no @GeneratedValue and you do not initialize it manually. support Support Yes, at first, there is no @GeneratedValue, but it do not work after I add this command: @GeneratedValue(strategy=GenerationType.IDENTITY) Should I remove the whole db? TIA gzdillon Lai Yang Adding @GeneratedValue |
12 | EmbeddedId with Generated field value annotation @GeneratedValue like the following: Solution 1) class A { @Id @GeneratedValue private long uid; ... } Solution 2) class CompositePK { @GeneratedValue private long uid; ... } Actually I ... ) @Entity public static class A { @Id @GeneratedValue public long id; @Id public String zone |
12 | @OneToMany(fetch = FetchType.LAZY) list is always null Parent { @Id @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "b ... { @Id @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "b") private int id ... . Entities: @Entity public class Parent { @Id @GeneratedValue(strategy = GenerationType |
10 | Is it possible to remove parent/child entities without refresh?.GeneratedValue; import javax.persistence.Id; import javax.persistence.ManyToOne; import javax.persistence ... ; public class ObjectDbRemoveTest { @Entity public static class ParentEntity { @Id @GeneratedValue ... { @Id @GeneratedValue private long id; @ManyToOne(fetch = FetchType.LAZY, cascade |
10 | How to use JOIN FETCH?.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.MapKeyTemporal; import ... ); // Address is shown as null. } } @Entity public static class Person { @Id @GeneratedValue ... ; } } @Entity public static class Address { @Id @GeneratedValue private long id; private String address |
10 | Merge with Parent/Child entities not possible javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.ManyToOne ... public static class ParentEntity { @Id @GeneratedValue private long id; @OneToMany(fetch ... = id; } } @Entity public static class ChildEntity { @Id @GeneratedValue private |
