package UnitTest;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class TestPgRole {

    public static void main(String[] args) {
        String url = "jdbc:postgresql://10.10.14.71:5432/szjz_db";
        String user = "postgres";
        String password = "DsideaL147258369";

        try (Connection conn = DriverManager.getConnection(url, user, password);
             Statement stmt = conn.createStatement()) {
            // 创建新用户
            stmt.executeUpdate("CREATE USER newuser WITH PASSWORD 'password';");
            // 创建角色并授予权限
            stmt.executeUpdate("CREATE ROLE read_only;");
            stmt.executeUpdate("GRANT USAGE, SELECT ON ALL TABLES IN SCHEMA public TO read_only;");
            // 将角色授予用户
            stmt.executeUpdate("GRANT read_only TO newuser;");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}