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

答：暂未回答

问："and(select*from(select+sleep(2))a/**/union/**/select+1)="

答：暂未回答

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

答：暂未回答

问：'and(select*from(select+sleep(2))a/**/union/**/select+1)='

答：暂未回答

问：'and(select*from(select+sleep(0))a/**/union/**/select+1)='

答：暂未回答