select * from wa_device_data_latestwhere device_id in (select device_id from wa_device_data_latest group by device_id having count(device_id) > 1);
select * from wa_device_data_latest
where device_id in (select device_id from wa_device_data_latest group by device_id having count(device_id) > 1);
正在学习Go语言的PHP程序员。