constchar*sql="SELECT t1.`id`,t1.sadr,t1.`site_id`,t1.`sensor_id`,t1.item_no,t1.yx_bit,t1.stype,t2.sensor_code,t2.grp_no FROM niec_points AS t1 LEFT JOIN niec_sensors AS t2 ON t1.sensor_id=t2.`id` WHERE t1.`status`=1 AND t2.`status`=1 ORDER BY t1.site_id,t1.sadr,t2.`grp_no`,t1.`item_no`";
constchar*sql="SELECT t1.`id`,t1.sadr,t1.`site_id`,t1.`sensor_id`,t1.item_no,t1.yx_bit,t1.stype,t2.sensor_code,t2.grp_no,t2.dev_id FROM niec_points AS t1 LEFT JOIN niec_sensors AS t2 ON t1.sensor_id=t2.`id` WHERE t1.`status`=1 AND t2.`status`=1 ORDER BY t1.site_id,t1.sadr,t2.`grp_no`,t1.`item_no`";