@Entity
@Getter @Setter
public class MusicInfo
{
  @Column(nullable = false)
  @Enumerated(EnumType.STRING)
  private MusicDifficulty difficulty;
}

public enum MusicDifficulty
{
   EASY, NOMAL
}

。

jpa-ql> SELECT mi.difficulty FROM MusicInfo as mi
[2022-08-10 17:14:20] 24 rows retrieved starting from 1 in 242 ms (execution: 208 ms, fetching: 34 ms)

当查询枚举类型时，结果存在，但无法检索列。
如何选择枚举类型？