PostgreSQL创建只读用户

创建用户及指定密码：

1	create user zhangyou with encrypted password '123456';

设置用户默认事务只读：

1	alter user zhangyou set default_transaction_read_only=on;

赋予用户权限，查看public模式下所有表：

1 2	grant usage on schema public to zhangyou; alter default privileges in schema public grant select on tables to zhangyou;

赋予用户连接数据库权限：

1	grant connect on database test to zhangyou;

切换到指定数据库：

1

\c test

赋予用户表、序列查看权限：

1 2 3

GRANT USAGE ON SCHEMA public to zhangyou; GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO zhangyou; GRANT SELECT ON ALL TABLES IN SCHEMA public TO zhangyou;