prepare stmt1 from ' SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE COMMAND!=\'Daemon\' ';
execute stmt1;
ID	USER	HOST	DB	COMMAND	TIME	STATE	INFO
number	root	localhost	test	Query	time	executing	SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE COMMAND!='Daemon'
deallocate prepare stmt1;
FLUSH STATUS;
SHOW GLOBAL STATUS LIKE 'com_select';
Variable_name	Value
Com_select	102
SHOW GLOBAL STATUS LIKE 'com_select';
Variable_name	Value
Com_select	102