select * from information_schema.processlist where db='zcwdb' and state='Sending data';
select concat('kill ', id,';') from information_schema.processlist where db='zcwdb' and state='Sending data' and time > 500;
select * from information_schema.processlist where db='zcwdb' and state='Sending data';
select concat('kill ', id,';') from information_schema.processlist where db='zcwdb' and state='Sending data' and time > 500;