@Entity
@Table(name = "mq_mark")
public class MarkModel implements Serializable {/*** */private static final long serialVersionUID = -5169585172209348371L;@Id@GeneratedValue(strategy = GenerationType.AUTO)public Long id;@ManyToOne(fetch = FetchType.EAGER)@JoinColumn(name = "show_id", nullable = false)@Fetch(FetchMode.JOIN)public ShowImage showImage;
}

@Query("select r from MarkModel t join t.showImage r where t.type= ?1 and t.datamId = ?2  ")List<ShowImage> findMarkImages(Integer marktype, Long datamId, Pageable pageable);

@Query("select t.showImage from MarkModel t where t.type= ?1 and t.datamId = ?2  group by t.showImage.id")List<ShowImage> findMarkImages(Integer marktype, Long datamId, Pageable pageable);

select showimage1_.id as id1_25_, showimage1_.create_time as create_t5_25_, showimage1_.image_url as image_ur8_25_, showimage1_.position as positio14_25_ 

from xxx markmodel0_ inner join mq_showpic showimage1_ on markmodel0_.show_id=showimage1_.id 

cross join mq_showpic showimage2_ 

where markmodel0_.show_id=showimage2_.id and markmodel0_.type=? and markmodel0_.datam_id=? 

group by markmodel0_.show_id order by showimage2_.create_time desc limit ?

Pageable pageable = new PageRequest(page, rows, Direction.DESC, "showImage.createTime");//注意这里的条件
List<ShowImage> result = this.markDao.findMarkImages(marktype, datamId, pageable);

Pageable pageable = new PageRequest(page, rows, Direction.DESC, "createTime");

select showimage1_.id as id1_25_, showimage1_.create_time as create_t5_25_, showimage1_.image_url as image_ur8_25_, showimage1_.position as positio14_25_ 

from mq_mark markmodel0_ inner join mq_showpic showimage1_ on markmodel0_.show_id=showimage1_.id 

where markmodel0_.type=? and markmodel0_.datam_id=? 

group by showimage1_.id order by markmodel0_.create_time desc limit ?