SELECT user, sum(first) as sum_first , sum(last) as sum_last from zabbix.wpsuser_data group by user;
SELECT user, count(user) as count_user from zabbix.wpsuser_data group by user;
SELECT * from zabbix.wpsuser_data where user=0;
SELECT user,count(user) from zabbix.wpsuser_data WHERE first BETWEEN '1481126400' AND '1481212799' group by user;
