问跨子表的Hibernate单一查询？

EN

@javax.persistence.Entity
@Table(name="example")
@Inheritance(strategy=InheritanceType.JOINED)
public class Example implements Serializable {
...
@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER, mappedBy = "theId")
@LazyCollection(LazyCollectionOption.FALSE)
@BatchSize(size=1000)
private Set<ChildObjectOne> childrenOne = new LinkedHashSet<>();

@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER, mappedBy = "theId")
@LazyCollection(LazyCollectionOption.FALSE)
@BatchSize(size=1000)
private Set<ChildObjectTwo> childrenTwo = new LinkedHashSet<>();

@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER, mappedBy = "theId")
@LazyCollection(LazyCollectionOption.FALSE)
@BatchSize(size=1000)
@MapKeyColumn(name="attribute_id")
private Map<String, TheAttribute> attributes = new HashMap<>();

@javax.persistence.Entity
@IdClass(TheAttributePK.class)
@Table(name="the_attribute")
public class TheAttribute implements Serializable {

@Id
@Column(name = "the_id", nullable = false)
private long theId;
@Id
@Column(name = "attribute_id", length = 255, nullable = false)
private String attributeId;
...

@Query("SELECT e FROM Example e where e.theId in (:ids)")
List<Example> findAllByExampleIds(@Param("ids") List<Long> ids);