id , bottle_code, gas_name, level, size, bottle_colour, handwheel, fixed, status_label, electronic_tag, gas_pressure, valid_period, beacon_tag, college_id, college_name, subject_id, subject_name, room_num, create_name, create_by, create_time, update_name, update_by, update_time, remark select s.id,s.gas_name, count(1) totalNum from db_stock s and ( s.college_id in (SELECT dt.dept_id FROM sys_dept dt WHERE find_in_set(#{deptId} ,ancestors )) or s.college_id = #{deptId} ) GROUP BY s.gas_name select s.subject_name, s.room_num, cl.type_name subjectType, f.classified_name subjectLevel, count(1) totalNum from db_stock s LEFT JOIN lab_subject su on s.subject_id = su.id LEFT JOIN lab_safe_classtype cl on cl.id = su.type_id LEFT JOIN lab_safe_classified f on f.id = su.level and ( s.college_id in (SELECT dt.dept_id FROM sys_dept dt WHERE find_in_set(#{deptId} ,ancestors )) or s.college_id = #{deptId} ) GROUP BY s.subject_id ORDER BY totalNum desc