SELECT SUBSTR(zzjgdm,1,4) zzjgdm,count(*) co from t_device GROUP BY SUBSTR(zzjgdm,1,4) HAVING SUBSTR(zzjgdm,1,4) is not null select u.device_code, u.device_type, u.zzjgdm, u.zzjgmc, u.police_no, u.police_name, u.phone_num, u.car_num, u.valid, u.remark1, u.remark2, u.card_num, u.create_time, u.update_time from t_device u ${ew.getCustomSqlSegment} select u.id,u.device_code, u.device_type, u.zzjgdm, u.zzjgmc, u.police_no, u.police_name, u.phone_num, u.car_num, u.valid, u.remark1, u.remark2, u.card_num, u.create_time, u.update_time from t_device u ${ew.getCustomSqlSegment} update t_device set zzjgdm = #{zzjgdm},zzjgmc = #{zzjgmc} where device_code in #{deviceCode} insert into t_device (device_code, device_type, zzjgdm, zzjgmc, police_no, police_name, phone_num, car_num, valid, remark1, remark2, card_num, create_time, update_time) values (#{deviceCode},#{deviceType},#{zzjgdm},#{zzjgmc},#{policeNo},#{policeName},#{phoneNum},#{carNum},#{valid}, #{remark1},#{remark2},#{cardNum},#{createTime},#{updateTime}) ON DUPLICATE KEY UPDATE police_no = values(police_no),police_name = values(police_name),phone_num = values(phone_num), car_num = values(car_num),valid = '1',remark1 = values(remark1),remark2 = values(remark2),card_num = values(card_num), update_time = values(update_time)