CREATE USER testUser WITH PASSWORD '1qaz@WSX';
ALTER ROLE testUser WITH LOGIN;
GRANT CONNECT ON DATABASE tzydb TO testUser;
GRANT SELECT ON TABLE tzydb.public.test TO testUser;
1、查看某用户的系统权限
SELECT * FROM pg_roles WHERE rolname='postgres';
2、查看某用户的表权限
select * from information_schema.table_privileges where grantee='postgres';
3、查看某用户的usage权限
select * from information_schema.usage_privileges where grantee='postgres';
4、查看某用户在存储过程函数的执行权限
select * from information_schema.routine_privileges where grantee='postgres';
5、查看某用户在某表的列上的权限
select * from information_schema.column_privileges where grantee='postgres';
6、查看当前用户能够访问的数据类型
select * from information_schema.data_type_privileges ;
7、查看用户自定义类型上授予的USAGE权限
select * from information_schema.udt_privileges where grantee='postgres';