9 | @Unique member combination not workingWhy does the below code not enforce unique restrictions? Person @Entity @Unique(members = {"name", "surname"}) public class Person implements Serializable { @Id @GeneratedValue ... Serializable { @Id @GeneratedValue private Integer id; private String name |
9 | On ensuring ID available after persist up to another element) I am using the following for the ID: @Id //@GeneratedValue(strategy = GenerationType.AUTO)// Explicit for EclipseLink + Oracle or MySQL @GeneratedValue//ObjectDB takes as |
9 | Primary key generation problem after changing entity package) @GeneratedValue(generator = "SEQ_BOARD", strategy = GenerationType.SEQUENCE) lwalkowski Lukasz ... _BOARD", allocationSize = 5, initialValue = 1) @GeneratedValue(generator = "SEQ_BOARD |
9 | Wrong data stored in time only fields.EntityManagerFactory; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType ... @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="DateTime_sequence |
9 | @OneToOne query issue with OR and IS NULLHello, I'm struggeling to get a query run right. I have 2 entities (simplified) class A { @Id @GeneratedValue private Long key; @OneToOne(mappedBy = "other", cascade = CascadeType.ALL) private B another } class B { @Id @GeneratedValue |
9 | "Unsupported auto value type java.lang.String" when persisting new instance for primary key: @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private String ID; kiki Kristijan You cannot use @GeneratedValue for string Id only for numeric Ids. Id fields whose type |
9 | List always nullI have the following classes: @Entity public class Noticia implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy ... static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy = GenerationType |
9 | mappedBy problemIf I put the mappedBy element to the @OneToMany, the owned side (the many side) will never persist ! for example @Entity public class Employee { @Id @GeneratedValue(strategy = GenerationType ... { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) public Long id; public String line |
9 | @SequenceGenerator and single id in whole database both the strategy and the generator attributes of the @GeneratedValue annotation. By using the IDENTITY ... (name = "XXX", sequenceName = "Seq_XXX", initialValue = 1000) @GeneratedValue(generator = "XXX") @Id |
9 | Trouble bug on explorer", initialValue=10000) @Entity public class User implements Serializable { @Id @GeneratedValue ... { @Id @GeneratedValue // ID will be generated automatically private int langId |
