|SELECT '${stat_date}' as stat_date,cl_id as device_id,channel,count(cl_id) as open_num,sum(params['duration']) as time_all,sum(params['duration'])/count(cl_id) as avge_time
|SELECT '${stat_date}' as stat_date,cl_id as device_id,count(cl_id) as open_num,sum(params['duration']) as time_all,sum(params['duration'])/count(cl_id) as avge_time