I want to check the role has been granted to which role. In my working environment, the all the normal is assigned to role group. when i issue dp, it only give me the role group privilege. So I need to check which user is in which user group. THe following is my sql to do that. Is there anybody has a better way to do it. Thanks. Grace select DISTINCT user, group_name, grantor, admin_option from (select usename AS user,roleid,admin_option from pg_user join pg_auth_members on ( pg_user.usesysid=pg_auth_members.member)) a, (select usename AS group_name,roleid from pg_user join pg_auth_members on (pg_user.usesysid=pg_auth_members.roleid)) b, (select usename AS grantor,roleid from pg_user join pg_auth_members on (pg_user.usesysid=pg_auth_members.grantor)) c where a.roleid=b.roleid and b.roleid=c.roleid; member | group_name | grantor | admin_option --------+------------+---------+-------------- user1 | grace | gpadmin | f user_1 | grace | gpadmin | f (2 rows) -- View this message in context: http://postgresql.1045698.n5.nabble.com/How-to-check-the-role-has-been-granted-to-which-role-Help-me-to-double-check-Thanks-tp5608906p5608906.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general