-- -- DEPENDENCIES -- CREATE USER regression_user; CREATE USER regression_user2; CREATE USER regression_user3; CREATE GROUP regression_group; CREATE TABLE deptest (f1 serial primary key, f2 text); GRANT SELECT ON TABLE deptest TO GROUP regression_group; GRANT ALL ON TABLE deptest TO regression_user, regression_user2; -- can't drop neither because they have privileges somewhere DROP USER regression_user; DROP GROUP regression_group; -- if we revoke the privileges we can drop the group REVOKE SELECT ON deptest FROM GROUP regression_group; DROP GROUP regression_group; -- can't drop the user if we revoke the privileges partially REVOKE SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES ON deptest FROM regression_user; DROP USER regression_user; -- now we are OK to drop him REVOKE TRIGGER ON deptest FROM regression_user; DROP USER regression_user; -- we are OK too if we drop the privileges all at once REVOKE ALL ON deptest FROM regression_user2; DROP USER regression_user2; -- can't drop the owner of an object -- the error message detail here would include a pg_toast_nnn name that -- is not constant, so suppress it \set VERBOSITY terse ALTER TABLE deptest OWNER TO regression_user3; DROP USER regression_user3; \set VERBOSITY default -- if we drop the object, we can drop the user too DROP TABLE deptest; DROP USER regression_user3; -- Test DROP OWNED CREATE USER regression_user0; CREATE USER regression_user1; CREATE USER regression_user2; SET SESSION AUTHORIZATION regression_user0; -- permission denied DROP OWNED BY regression_user1; DROP OWNED BY regression_user0, regression_user2; REASSIGN OWNED BY regression_user0 TO regression_user1; REASSIGN OWNED BY regression_user1 TO regression_user0; -- this one is allowed DROP OWNED BY regression_user0; CREATE TABLE deptest1 (f1 int unique); GRANT ALL ON deptest1 TO regression_user1 WITH GRANT OPTION; SET SESSION AUTHORIZATION regression_user1; CREATE TABLE deptest (a serial primary key, b text); GRANT ALL ON deptest1 TO regression_user2; RESET SESSION AUTHORIZATION; \z deptest1 DROP OWNED BY regression_user1; -- all grants revoked \z deptest1 -- table was dropped \d deptest -- Test REASSIGN OWNED GRANT ALL ON deptest1 TO regression_user1; SET SESSION AUTHORIZATION regression_user1; CREATE TABLE deptest (a serial primary key, b text); CREATE TABLE deptest2 (f1 int); -- make a serial column the hard way CREATE SEQUENCE ss1; ALTER TABLE deptest2 ALTER f1 SET DEFAULT nextval('ss1'); ALTER SEQUENCE ss1 OWNED BY deptest2.f1; RESET SESSION AUTHORIZATION; REASSIGN OWNED BY regression_user1 TO regression_user2; \dt deptest -- doesn't work: grant still exists DROP USER regression_user1; DROP OWNED BY regression_user1; DROP USER regression_user1; \set VERBOSITY terse DROP USER regression_user2; DROP OWNED BY regression_user2, regression_user0; DROP USER regression_user2; DROP USER regression_user0;