我有以下实体,我希望其列名是唯一的。出于某种原因,Hibernate 在自动生成表时不会生成任何唯一约束。关于为什么 Hibernate 不强制执行这个独特的约束的任何想法?我在 JBoss EAP 6.1 上运行 MySQL 5.5 和 Hibernate 4.2.0。
@Entity
@Table(name = "Address", uniqueConstraints = @UniqueConstraint(columnNames = { "Name" }))
public class AddressEntity {
private int id;
private String name;
private String streetAddress;
private String country;
private String city;
private String zip;
@Id
@GeneratedValue
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
@Column(name = "Name", unique = true, nullable = false)
public String getName() {
return name;
}
// getters and setters...
}