我試圖做一些事情，顯然不JPQL工作： JPQL： select c from Car c
left join fetch c.owner
where c.type in (?1)
order by c.model
代碼： public List<Car> findCarsFilterByTypes(CarType[] types) {
retur
我有有這樣的許多一對多關係的JPA對象： @Entity
public class Role {
//...
@ManyToMany(fetch=FetchType.EAGER)
@JoinTable(
name="RolePrivilege",
joinColumns=
@JoinColumn(name="role", refere
我有以下字段定義在我的JPA實體之一： @Column(nullable = false, name = "start_time",
columnDefinition= "TIMESTAMP WITH TIME ZONE")
@Temporal(javax.persistence.TemporalType.TIMESTAMP)
private Date startTime = new Dat