我有以下简单的例子:
@Entity
public class Profile {
@Id
private long id;
@OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
@JoinColumn(name="profileId", nullable = false)
private List<Preference> preferences;
}
@Entity
@IdClass(PreferenceId.class)
public class Preference1 {
@Id
private long id;
@Id
@Column(insertable = false, updatable = false, nullable = false)
private long profileId;
}
每当我尝试持久化配置文件时,都会有两个插入语句:
插入配置文件(id)值(?)——完美
插入 Preference(profileId, id) 值 (?, ?) -- 也很完美
接着
16:21:12,257 TRACE BasicBinder:83 - binding parameter [1] as [BIGINT] - 1
16:21:12,257 TRACE BasicBinder:83 - binding parameter [2] as [BIGINT] - 10
16:21:12,257 TRACE BasicBinder:83 - binding parameter [3] as [BIGINT] - 0
16:21:12,257 ERROR SqlExceptionHelper:144 - Invalid column index
为什么有三个参数而不是两个?