SpringDataJPA笔记(5)-子查询

@Data
@Entity
@Subselect("select d.id as id, d.name as dog_name, c.name as cat_name from dog_tb d left join cat_tb c on d.id=c.id")
@Synchronize({"dog_tb", "cat_tb"})
public class SubSelectEntity implements Serializable {

    private static final long serialVersionUID = -3795682088296075408L;
    @Id
    private Long id;

    private String dogName;

    private String catName;
}

public interface SubSelectRepository extends JpaRepository<SubSelectEntity, Long>, JpaSpecificationExecutor<SubSelectEntity>, Serializable {
}

@Slf4j
@RestController
@RequestMapping("/chapter/five")
public class ChapterFiveController {

    @Autowired
    private SubSelectRepository subSelectRepository;

    @ApiOperation(value = "findAll", httpMethod = "GET")
    @GetMapping("/find")
    public List<SubSelectEntity> findAll() {
        return subSelectRepository.findAll();
    }

    @ApiOperation(value = "findPage", httpMethod = "GET")
    @GetMapping("/page")
    public Page<SubSelectEntity> findPage(@RequestParam int pageSize, @RequestParam int pageNum) {
        Pageable pageable = PageRequest.of(pageNum, pageSize);
        return subSelectRepository.findAll(pageable);
    }
}