Sql语法树示例 select username, ismale from userinfo where age > 20 and level > 5 and 1 = 1
select username, ismale from userinfo where age > 20 and level > 5 and 1 = 1
--END-2019年9月5日17点47分
select username, ismale from userinfo where age > 20 and level > 5 and 1 = 1
--END-2019年9月5日17点47分