text: --
  -- Test access privileges
  --
  
  -- Clean up in case a prior regression run failed
  
  -- Suppress NOTICE messages when users/groups don't exist
  SET client_min_messages TO 'warning';
  
  DROP ROLE IF EXISTS regressgroup1;
  DROP ROLE IF EXISTS regressgroup2;
  
  DROP ROLE IF EXISTS regressuser1;
  DROP ROLE IF EXISTS regressuser2;
  DROP ROLE IF EXISTS regressuser3;
  DROP ROLE IF EXISTS regressuser4;
  DROP ROLE IF EXISTS regressuser5;
  DROP ROLE IF EXISTS regressuser6;
  
  SELECT lo_unlink(oid) FROM pg_largeobject_metadata;
  
  RESET client_min_messages;
  
  -- test proper begins here
  
  CREATE USER regressuser1;
  CREATE USER regressuser2;
  CREATE USER regressuser3;
  CREATE USER regressuser4;
  CREATE USER regressuser5;
  CREATE USER regressuser5;	-- duplicate
  
  CREATE GROUP regressgroup1;
  CREATE GROUP regressgroup2 WITH USER regressuser1, regressuser2;
  
  ALTER GROUP regressgroup1 ADD USER regressuser4;
  
  ALTER GROUP regressgroup2 ADD USER regressuser2;	-- duplicate
  ALTER GROUP regressgroup2 DROP USER regressuser2;
  ALTER GROUP regressgroup2 ADD USER regressuser4;
  
  -- test owner privileges
  
  SET SESSION AUTHORIZATION regressuser1;
  SELECT session_user, current_user;
  
  CREATE TABLE atest1 ( a int, b text );
  SELECT * FROM atest1;
  INSERT INTO atest1 VALUES (1, 'one');
  DELETE FROM atest1;
  UPDATE atest1 SET a = 1 WHERE b = 'blech';
  TRUNCATE atest1;
  BEGIN;
  LOCK atest1 IN ACCESS EXCLUSIVE MODE;
  COMMIT;
  
  REVOKE ALL ON atest1 FROM PUBLIC;
  SELECT * FROM atest1;
  
  GRANT ALL ON atest1 TO regressuser2;
  GRANT SELECT ON atest1 TO regressuser3, regressuser4;
  SELECT * FROM atest1;
  
  CREATE TABLE atest2 (col1 varchar(10), col2 boolean);
  GRANT SELECT ON atest2 TO regressuser2;
  GRANT UPDATE ON atest2 TO regressuser3;
  GRANT INSERT ON atest2 TO regressuser4;
  GRANT TRUNCATE ON atest2 TO regressuser5;
  
  
  SET SESSION AUTHORIZATION regressuser2;
  SELECT session_user, current_user;
  
  -- try various combinations of queries on atest1 and atest2
  
  SELECT * FROM atest1; -- ok
  SELECT * FROM atest2; -- ok
  INSERT INTO atest1 VALUES (2, 'two'); -- ok
  INSERT INTO atest2 VALUES ('foo', true); -- fail
  INSERT INTO atest1 SELECT 1, b FROM atest1; -- ok
  UPDATE atest1 SET a = 1 WHERE a = 2; -- ok
  UPDATE atest2 SET col2 = NOT col2; -- fail
  SELECT * FROM atest1 FOR UPDATE; -- ok
  SELECT * FROM atest2 FOR UPDATE; -- fail
  DELETE FROM atest2; -- fail
  TRUNCATE atest2; -- fail
  BEGIN;
  LOCK atest2 IN ACCESS EXCLUSIVE MODE; -- fail
  COMMIT;
  COPY atest2 FROM stdin; -- fail
  GRANT ALL ON atest1 TO PUBLIC; -- fail
  
  -- checks in subquery, both ok
  SELECT * FROM atest1 WHERE ( b IN ( SELECT col1 FROM atest2 ) );
  SELECT * FROM atest2 WHERE ( col1 IN ( SELECT b FROM atest1 ) );
  
  
  SET SESSION AUTHORIZATION regressuser3;
  SELECT session_user, current_user;
  
  SELECT * FROM atest1; -- ok
  SELECT * FROM atest2; -- fail
  INSERT INTO atest1 VALUES (2, 'two'); -- fail
  INSERT INTO atest2 VALUES ('foo', true); -- fail
  INSERT INTO atest1 SELECT 1, b FROM atest1; -- fail
  UPDATE atest1 SET a = 1 WHERE a = 2; -- fail
  UPDATE atest2 SET col2 = NULL; -- ok
  UPDATE atest2 SET col2 = NOT col2; -- fails; requires SELECT on atest2
  UPDATE atest2 SET col2 = true FROM atest1 WHERE atest1.a = 5; -- ok
  SELECT * FROM atest1 FOR UPDATE; -- fail
  SELECT * FROM atest2 FOR UPDATE; -- fail
  DELETE FROM atest2; -- fail
  TRUNCATE atest2; -- fail
  BEGIN;
  LOCK atest2 IN ACCESS EXCLUSIVE MODE; -- ok
  COMMIT;
  COPY atest2 FROM stdin; -- fail
  
  -- checks in subquery, both fail
  SELECT * FROM atest1 WHERE ( b IN ( SELECT col1 FROM atest2 ) );
  SELECT * FROM atest2 WHERE ( col1 IN ( SELECT b FROM atest1 ) );
  
  SET SESSION AUTHORIZATION regressuser4;
  COPY atest2 FROM stdin; -- ok
  bar	true
  \.
  SELECT * FROM atest1; -- ok
  
  
  -- groups
  
  SET SESSION AUTHORIZATION regressuser3;
  CREATE TABLE atest3 (one int, two int, three int);
  GRANT DELETE ON atest3 TO GROUP regressgroup2;
  
  SET SESSION AUTHORIZATION regressuser1;
  
  SELECT * FROM atest3; -- fail
  DELETE FROM atest3; -- ok
  
  
  -- views
  
  SET SESSION AUTHORIZATION regressuser3;
  
  CREATE VIEW atestv1 AS SELECT * FROM atest1; -- ok
  /* The next *should* fail, but it's not implemented that way yet. */
  CREATE VIEW atestv2 AS SELECT * FROM atest2;
  CREATE VIEW atestv3 AS SELECT * FROM atest3; -- ok
  /* Empty view is a corner case that failed in 9.2. */
  CREATE VIEW atestv0 AS SELECT 0 as x WHERE false; -- ok
  
  SELECT * FROM atestv1; -- ok
  SELECT * FROM atestv2; -- fail
  GRANT SELECT ON atestv1, atestv3 TO regressuser4;
  GRANT SELECT ON atestv2 TO regressuser2;
  
  SET SESSION AUTHORIZATION regressuser4;
  
  SELECT * FROM atestv1; -- ok
  SELECT * FROM atestv2; -- fail
  SELECT * FROM atestv3; -- ok
  SELECT * FROM atestv0; -- fail
  
  -- Appendrels excluded by constraints failed to check permissions in 8.4-9.2.
  select * from
    ((select a.q1 as x from int8_tbl a offset 0)
     union all
     (select b.q2 as x from int8_tbl b offset 0)) ss
  where false;
  
  set constraint_exclusion = on;
  select * from
    ((select a.q1 as x, random() from int8_tbl a where q1 > 0)
     union all
     (select b.q2 as x, random() from int8_tbl b where q2 > 0)) ss
  where x < 0;
  reset constraint_exclusion;
  
  CREATE VIEW atestv4 AS SELECT * FROM atestv3; -- nested view
  SELECT * FROM atestv4; -- ok
  GRANT SELECT ON atestv4 TO regressuser2;
  
  SET SESSION AUTHORIZATION regressuser2;
  
  -- Two complex cases:
  
  SELECT * FROM atestv3; -- fail
  SELECT * FROM atestv4; -- ok (even though regressuser2 cannot access underlying atestv3)
  
  SELECT * FROM atest2; -- ok
  SELECT * FROM atestv2; -- fail (even though regressuser2 can access underlying atest2)
  
  -- Test column level permissions
  
  SET SESSION AUTHORIZATION regressuser1;
  CREATE TABLE atest5 (one int, two int, three int);
  CREATE TABLE atest6 (one int, two int, blue int);
  GRANT SELECT (one), INSERT (two), UPDATE (three) ON atest5 TO regressuser4;
  GRANT ALL (one) ON atest5 TO regressuser3;
  
  INSERT INTO atest5 VALUES (1,2,3);
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT * FROM atest5; -- fail
  SELECT one FROM atest5; -- ok
  COPY atest5 (one) TO stdout; -- ok
  SELECT two FROM atest5; -- fail
  COPY atest5 (two) TO stdout; -- fail
  SELECT atest5 FROM atest5; -- fail
  COPY atest5 (one,two) TO stdout; -- fail
  SELECT 1 FROM atest5; -- ok
  SELECT 1 FROM atest5 a JOIN atest5 b USING (one); -- ok
  SELECT 1 FROM atest5 a JOIN atest5 b USING (two); -- fail
  SELECT 1 FROM atest5 a NATURAL JOIN atest5 b; -- fail
  SELECT (j.*) IS NULL FROM (atest5 a JOIN atest5 b USING (one)) j; -- fail
  SELECT 1 FROM atest5 WHERE two = 2; -- fail
  SELECT * FROM atest1, atest5; -- fail
  SELECT atest1.* FROM atest1, atest5; -- ok
  SELECT atest1.*,atest5.one FROM atest1, atest5; -- ok
  SELECT atest1.*,atest5.one FROM atest1 JOIN atest5 ON (atest1.a = atest5.two); -- fail
  SELECT atest1.*,atest5.one FROM atest1 JOIN atest5 ON (atest1.a = atest5.one); -- ok
  SELECT one, two FROM atest5; -- fail
  
  SET SESSION AUTHORIZATION regressuser1;
  GRANT SELECT (one,two) ON atest6 TO regressuser4;
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT one, two FROM atest5 NATURAL JOIN atest6; -- fail still
  
  SET SESSION AUTHORIZATION regressuser1;
  GRANT SELECT (two) ON atest5 TO regressuser4;
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT one, two FROM atest5 NATURAL JOIN atest6; -- ok now
  
  -- test column-level privileges for INSERT and UPDATE
  INSERT INTO atest5 (two) VALUES (3); -- ok
  COPY atest5 FROM stdin; -- fail
  COPY atest5 (two) FROM stdin; -- ok
  1
  \.
  INSERT INTO atest5 (three) VALUES (4); -- fail
  INSERT INTO atest5 VALUES (5,5,5); -- fail
  UPDATE atest5 SET three = 10; -- ok
  UPDATE atest5 SET one = 8; -- fail
  UPDATE atest5 SET three = 5, one = 2; -- fail
  
  SET SESSION AUTHORIZATION regressuser1;
  REVOKE ALL (one) ON atest5 FROM regressuser4;
  GRANT SELECT (one,two,blue) ON atest6 TO regressuser4;
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT one FROM atest5; -- fail
  UPDATE atest5 SET one = 1; -- fail
  SELECT atest6 FROM atest6; -- ok
  COPY atest6 TO stdout; -- ok
  
  -- test column-level privileges when involved with DELETE
  SET SESSION AUTHORIZATION regressuser1;
  ALTER TABLE atest6 ADD COLUMN three integer;
  GRANT DELETE ON atest5 TO regressuser3;
  GRANT SELECT (two) ON atest5 TO regressuser3;
  REVOKE ALL (one) ON atest5 FROM regressuser3;
  GRANT SELECT (one) ON atest5 TO regressuser4;
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT atest6 FROM atest6; -- fail
  SELECT one FROM atest5 NATURAL JOIN atest6; -- fail
  
  SET SESSION AUTHORIZATION regressuser1;
  ALTER TABLE atest6 DROP COLUMN three;
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT atest6 FROM atest6; -- ok
  SELECT one FROM atest5 NATURAL JOIN atest6; -- ok
  
  SET SESSION AUTHORIZATION regressuser1;
  ALTER TABLE atest6 DROP COLUMN two;
  REVOKE SELECT (one,blue) ON atest6 FROM regressuser4;
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT * FROM atest6; -- fail
  SELECT 1 FROM atest6; -- fail
  
  SET SESSION AUTHORIZATION regressuser3;
  DELETE FROM atest5 WHERE one = 1; -- fail
  DELETE FROM atest5 WHERE two = 2; -- ok
  
  -- check inheritance cases
  SET SESSION AUTHORIZATION regressuser1;
  CREATE TABLE atestp1 (f1 int, f2 int) WITH OIDS;
  CREATE TABLE atestp2 (fx int, fy int) WITH OIDS;
  CREATE TABLE atestc (fz int) INHERITS (atestp1, atestp2);
  GRANT SELECT(fx,fy,oid) ON atestp2 TO regressuser2;
  GRANT SELECT(fx) ON atestc TO regressuser2;
  
  SET SESSION AUTHORIZATION regressuser2;
  SELECT fx FROM atestp2; -- ok
  SELECT fy FROM atestp2; -- ok
  SELECT atestp2 FROM atestp2; -- ok
  SELECT oid FROM atestp2; -- ok
  SELECT fy FROM atestc; -- fail
  
  SET SESSION AUTHORIZATION regressuser1;
  GRANT SELECT(fy,oid) ON atestc TO regressuser2;
  
  SET SESSION AUTHORIZATION regressuser2;
  SELECT fx FROM atestp2; -- still ok
  SELECT fy FROM atestp2; -- ok
  SELECT atestp2 FROM atestp2; -- ok
  SELECT oid FROM atestp2; -- ok
  
  -- privileges on functions, languages
  
  -- switch to superuser
  \c -
  
  REVOKE ALL PRIVILEGES ON LANGUAGE sql FROM PUBLIC;
  GRANT USAGE ON LANGUAGE sql TO regressuser1; -- ok
  GRANT USAGE ON LANGUAGE c TO PUBLIC; -- fail
  
  SET SESSION AUTHORIZATION regressuser1;
  GRANT USAGE ON LANGUAGE sql TO regressuser2; -- fail
  CREATE FUNCTION testfunc1(int) RETURNS int AS 'select 2 * $1;' LANGUAGE sql;
  CREATE FUNCTION testfunc2(int) RETURNS int AS 'select 3 * $1;' LANGUAGE sql;
  
  REVOKE ALL ON FUNCTION testfunc1(int), testfunc2(int) FROM PUBLIC;
  GRANT EXECUTE ON FUNCTION testfunc1(int), testfunc2(int) TO regressuser2;
  GRANT USAGE ON FUNCTION testfunc1(int) TO regressuser3; -- semantic error
  GRANT ALL PRIVILEGES ON FUNCTION testfunc1(int) TO regressuser4;
  GRANT ALL PRIVILEGES ON FUNCTION testfunc_nosuch(int) TO regressuser4;
  
  CREATE FUNCTION testfunc4(boolean) RETURNS text
    AS 'select col1 from atest2 where col2 = $1;'
    LANGUAGE sql SECURITY DEFINER;
  GRANT EXECUTE ON FUNCTION testfunc4(boolean) TO regressuser3;
  
  SET SESSION AUTHORIZATION regressuser2;
  SELECT testfunc1(5), testfunc2(5); -- ok
  CREATE FUNCTION testfunc3(int) RETURNS int AS 'select 2 * $1;' LANGUAGE sql; -- fail
  
  SET SESSION AUTHORIZATION regressuser3;
  SELECT testfunc1(5); -- fail
  SELECT col1 FROM atest2 WHERE col2 = true; -- fail
  SELECT testfunc4(true); -- ok
  
  SET SESSION AUTHORIZATION regressuser4;
  SELECT testfunc1(5); -- ok
  
  DROP FUNCTION testfunc1(int); -- fail
  
  \c -
  
  DROP FUNCTION testfunc1(int); -- ok
  -- restore to sanity
  GRANT ALL PRIVILEGES ON LANGUAGE sql TO PUBLIC;
  
  -- privileges on types
  
  -- switch to superuser
  \c -
  
  CREATE TYPE testtype1 AS (a int, b text);
  REVOKE USAGE ON TYPE testtype1 FROM PUBLIC;
  GRANT USAGE ON TYPE testtype1 TO regressuser2;
  GRANT USAGE ON TYPE _testtype1 TO regressuser2; -- fail
  GRANT USAGE ON DOMAIN testtype1 TO regressuser2; -- fail
  
  CREATE DOMAIN testdomain1 AS int;
  REVOKE USAGE on DOMAIN testdomain1 FROM PUBLIC;
  GRANT USAGE ON DOMAIN testdomain1 TO regressuser2;
  GRANT USAGE ON TYPE testdomain1 TO regressuser2; -- ok
  
  SET SESSION AUTHORIZATION regressuser1;
  
  -- commands that should fail
  
  CREATE AGGREGATE testagg1a(testdomain1) (sfunc = int4_sum, stype = bigint);
  
  CREATE DOMAIN testdomain2a AS testdomain1;
  
  CREATE DOMAIN testdomain3a AS int;
  CREATE FUNCTION castfunc(int) RETURNS testdomain3a AS $$ SELECT $1::testdomain3a $$ LANGUAGE SQL;
  CREATE CAST (testdomain1 AS testdomain3a) WITH FUNCTION castfunc(int);
  DROP FUNCTION castfunc(int) CASCADE;
  DROP DOMAIN testdomain3a;
  
  CREATE FUNCTION testfunc5a(a testdomain1) RETURNS int LANGUAGE SQL AS $$ SELECT $1 $$;
  CREATE FUNCTION testfunc6a(b int) RETURNS testdomain1 LANGUAGE SQL AS $$ SELECT $1::testdomain1 $$;
  
  CREATE OPERATOR !+! (PROCEDURE = int4pl, LEFTARG = testdomain1, RIGHTARG = testdomain1);
  
  CREATE TABLE test5a (a int, b testdomain1);
  CREATE TABLE test6a OF testtype1;
  CREATE TABLE test10a (a int[], b testtype1[]);
  
  CREATE TABLE test9a (a int, b int);
  ALTER TABLE test9a ADD COLUMN c testdomain1;
  ALTER TABLE test9a ALTER COLUMN b TYPE testdomain1;
  
  CREATE TYPE test7a AS (a int, b testdomain1);
  
  CREATE TYPE test8a AS (a int, b int);
  ALTER TYPE test8a ADD ATTRIBUTE c testdomain1;
  ALTER TYPE test8a ALTER ATTRIBUTE b TYPE testdomain1;
  
  CREATE TABLE test11a AS (SELECT 1::testdomain1 AS a);
  
  REVOKE ALL ON TYPE testtype1 FROM PUBLIC;
  
  SET SESSION AUTHORIZATION regressuser2;
  
  -- commands that should succeed
  
  CREATE AGGREGATE testagg1b(testdomain1) (sfunc = int4_sum, stype = bigint);
  
  CREATE DOMAIN testdomain2b AS testdomain1;
  
  CREATE DOMAIN testdomain3b AS int;
  CREATE FUNCTION castfunc(int) RETURNS testdomain3b AS $$ SELECT $1::testdomain3b $$ LANGUAGE SQL;
  CREATE CAST (testdomain1 AS testdomain3b) WITH FUNCTION castfunc(int);
  
  CREATE FUNCTION testfunc5b(a testdomain1) RETURNS int LANGUAGE SQL AS $$ SELECT $1 $$;
  CREATE FUNCTION testfunc6b(b int) RETURNS testdomain1 LANGUAGE SQL AS $$ SELECT $1::testdomain1 $$;
  
  CREATE OPERATOR !! (PROCEDURE = testfunc5b, RIGHTARG = testdomain1);
  
  CREATE TABLE test5b (a int, b testdomain1);
  CREATE TABLE test6b OF testtype1;
  CREATE TABLE test10b (a int[], b testtype1[]);
  
  CREATE TABLE test9b (a int, b int);
  ALTER TABLE test9b ADD COLUMN c testdomain1;
  ALTER TABLE test9b ALTER COLUMN b TYPE testdomain1;
  
  CREATE TYPE test7b AS (a int, b testdomain1);
  
  CREATE TYPE test8b AS (a int, b int);
  ALTER TYPE test8b ADD ATTRIBUTE c testdomain1;
  ALTER TYPE test8b ALTER ATTRIBUTE b TYPE testdomain1;
  
  CREATE TABLE test11b AS (SELECT 1::testdomain1 AS a);
  
  REVOKE ALL ON TYPE testtype1 FROM PUBLIC;
  
  \c -
  DROP AGGREGATE testagg1b(testdomain1);
  DROP DOMAIN testdomain2b;
  DROP OPERATOR !! (NONE, testdomain1);
  DROP FUNCTION testfunc5b(a testdomain1);
  DROP FUNCTION testfunc6b(b int);
  DROP TABLE test5b;
  DROP TABLE test6b;
  DROP TABLE test9b;
  DROP TABLE test10b;
  DROP TYPE test7b;
  DROP TYPE test8b;
  DROP CAST (testdomain1 AS testdomain3b);
  DROP FUNCTION castfunc(int) CASCADE;
  DROP DOMAIN testdomain3b;
  DROP TABLE test11b;
  
  DROP TYPE testtype1; -- ok
  DROP DOMAIN testdomain1; -- ok
  
  
  -- truncate
  SET SESSION AUTHORIZATION regressuser5;
  TRUNCATE atest2; -- ok
  TRUNCATE atest3; -- fail
  
  -- has_table_privilege function
  
  -- bad-input checks
  select has_table_privilege(NULL,'pg_authid','select');
  select has_table_privilege('pg_shad','select');
  select has_table_privilege('nosuchuser','pg_authid','select');
  select has_table_privilege('pg_authid','sel');
  select has_table_privilege(-999999,'pg_authid','update');
  select has_table_privilege(1,'select');
  
  -- superuser
  \c -
  
  select has_table_privilege(current_user,'pg_authid','select');
  select has_table_privilege(current_user,'pg_authid','insert');
  
  select has_table_privilege(t2.oid,'pg_authid','update')
  from (select oid from pg_roles where rolname = current_user) as t2;
  select has_table_privilege(t2.oid,'pg_authid','delete')
  from (select oid from pg_roles where rolname = current_user) as t2;
  
  -- 'rule' privilege no longer exists, but for backwards compatibility
  -- has_table_privilege still recognizes the keyword and says FALSE
  select has_table_privilege(current_user,t1.oid,'rule')
  from (select oid from pg_class where relname = 'pg_authid') as t1;
  select has_table_privilege(current_user,t1.oid,'references')
  from (select oid from pg_class where relname = 'pg_authid') as t1;
  
  select has_table_privilege(t2.oid,t1.oid,'select')
  from (select oid from pg_class where relname = 'pg_authid') as t1,
    (select oid from pg_roles where rolname = current_user) as t2;
  select has_table_privilege(t2.oid,t1.oid,'insert')
  from (select oid from pg_class where relname = 'pg_authid') as t1,
    (select oid from pg_roles where rolname = current_user) as t2;
  
  select has_table_privilege('pg_authid','update');
  select has_table_privilege('pg_authid','delete');
  select has_table_privilege('pg_authid','truncate');
  
  select has_table_privilege(t1.oid,'select')
  from (select oid from pg_class where relname = 'pg_authid') as t1;
  select has_table_privilege(t1.oid,'trigger')
  from (select oid from pg_class where relname = 'pg_authid') as t1;
  
  -- non-superuser
  SET SESSION AUTHORIZATION regressuser3;
  
  select has_table_privilege(current_user,'pg_class','select');
  select has_table_privilege(current_user,'pg_class','insert');
  
  select has_table_privilege(t2.oid,'pg_class','update')
  from (select oid from pg_roles where rolname = current_user) as t2;
  select has_table_privilege(t2.oid,'pg_class','delete')
  from (select oid from pg_roles where rolname = current_user) as t2;
  
  select has_table_privilege(current_user,t1.oid,'references')
  from (select oid from pg_class where relname = 'pg_class') as t1;
  
  select has_table_privilege(t2.oid,t1.oid,'select')
  from (select oid from pg_class where relname = 'pg_class') as t1,
    (select oid from pg_roles where rolname = current_user) as t2;
  select has_table_privilege(t2.oid,t1.oid,'insert')
  from (select oid from pg_class where relname = 'pg_class') as t1,
    (select oid from pg_roles where rolname = current_user) as t2;
  
  select has_table_privilege('pg_class','update');
  select has_table_privilege('pg_class','delete');
  select has_table_privilege('pg_class','truncate');
  
  select has_table_privilege(t1.oid,'select')
  from (select oid from pg_class where relname = 'pg_class') as t1;
  select has_table_privilege(t1.oid,'trigger')
  from (select oid from pg_class where relname = 'pg_class') as t1;
  
  select has_table_privilege(current_user,'atest1','select');
  select has_table_privilege(current_user,'atest1','insert');
  
  select has_table_privilege(t2.oid,'atest1','update')
  from (select oid from pg_roles where rolname = current_user) as t2;
  select has_table_privilege(t2.oid,'atest1','delete')
  from (select oid from pg_roles where rolname = current_user) as t2;
  
  select has_table_privilege(current_user,t1.oid,'references')
  from (select oid from pg_class where relname = 'atest1') as t1;
  
  select has_table_privilege(t2.oid,t1.oid,'select')
  from (select oid from pg_class where relname = 'atest1') as t1,
    (select oid from pg_roles where rolname = current_user) as t2;
  select has_table_privilege(t2.oid,t1.oid,'insert')
  from (select oid from pg_class where relname = 'atest1') as t1,
    (select oid from pg_roles where rolname = current_user) as t2;
  
  select has_table_privilege('atest1','update');
  select has_table_privilege('atest1','delete');
  select has_table_privilege('atest1','truncate');
  
  select has_table_privilege(t1.oid,'select')
  from (select oid from pg_class where relname = 'atest1') as t1;
  select has_table_privilege(t1.oid,'trigger')
  from (select oid from pg_class where relname = 'atest1') as t1;
  
  
  -- Grant options
  
  SET SESSION AUTHORIZATION regressuser1;
  
  CREATE TABLE atest4 (a int);
  
  GRANT SELECT ON atest4 TO regressuser2 WITH GRANT OPTION;
  GRANT UPDATE ON atest4 TO regressuser2;
  GRANT SELECT ON atest4 TO GROUP regressgroup1 WITH GRANT OPTION;
  
  SET SESSION AUTHORIZATION regressuser2;
  
  GRANT SELECT ON atest4 TO regressuser3;
  GRANT UPDATE ON atest4 TO regressuser3; -- fail
  
  SET SESSION AUTHORIZATION regressuser1;
  
  REVOKE SELECT ON atest4 FROM regressuser3; -- does nothing
  SELECT has_table_privilege('regressuser3', 'atest4', 'SELECT'); -- true
  REVOKE SELECT ON atest4 FROM regressuser2; -- fail
  REVOKE GRANT OPTION FOR SELECT ON atest4 FROM regressuser2 CASCADE; -- ok
  SELECT has_table_privilege('regressuser2', 'atest4', 'SELECT'); -- true
  SELECT has_table_privilege('regressuser3', 'atest4', 'SELECT'); -- false
  
  SELECT has_table_privilege('regressuser1', 'atest4', 'SELECT WITH GRANT OPTION'); -- true
  
  
  -- has_sequence_privilege tests
  \c -
  
  CREATE SEQUENCE x_seq;
  
  GRANT USAGE on x_seq to regressuser2;
  
  SELECT has_sequence_privilege('regressuser1', 'atest1', 'SELECT');
  SELECT has_sequence_privilege('regressuser1', 'x_seq', 'INSERT');
  SELECT has_sequence_privilege('regressuser1', 'x_seq', 'SELECT');
  
  SET SESSION AUTHORIZATION regressuser2;
  
  SELECT has_sequence_privilege('x_seq', 'USAGE');
  
  -- largeobject privilege tests
  \c -
  SET SESSION AUTHORIZATION regressuser1;
  
  SELECT lo_create(1001);
  SELECT lo_create(1002);
  SELECT lo_create(1003);
  SELECT lo_create(1004);
  SELECT lo_create(1005);
  
  GRANT ALL ON LARGE OBJECT 1001 TO PUBLIC;
  GRANT SELECT ON LARGE OBJECT 1003 TO regressuser2;
  GRANT SELECT,UPDATE ON LARGE OBJECT 1004 TO regressuser2;
  GRANT ALL ON LARGE OBJECT 1005 TO regressuser2;
  GRANT SELECT ON LARGE OBJECT 1005 TO regressuser2 WITH GRANT OPTION;
  
  GRANT SELECT, INSERT ON LARGE OBJECT 1001 TO PUBLIC;	-- to be failed
  GRANT SELECT, UPDATE ON LARGE OBJECT 1001 TO nosuchuser;	-- to be failed
  GRANT SELECT, UPDATE ON LARGE OBJECT  999 TO PUBLIC;	-- to be failed
  
  \c -
  SET SESSION AUTHORIZATION regressuser2;
  
  SELECT lo_create(2001);
  SELECT lo_create(2002);
  
  SELECT loread(lo_open(1001, x'40000'::int), 32);
  SELECT loread(lo_open(1002, x'40000'::int), 32);	-- to be denied
  SELECT loread(lo_open(1003, x'40000'::int), 32);
  SELECT loread(lo_open(1004, x'40000'::int), 32);
  
  SELECT lowrite(lo_open(1001, x'20000'::int), 'abcd');
  SELECT lowrite(lo_open(1002, x'20000'::int), 'abcd');	-- to be denied
  SELECT lowrite(lo_open(1003, x'20000'::int), 'abcd');	-- to be denied
  SELECT lowrite(lo_open(1004, x'20000'::int), 'abcd');
  
  GRANT SELECT ON LARGE OBJECT 1005 TO regressuser3;
  GRANT UPDATE ON LARGE OBJECT 1006 TO regressuser3;	-- to be denied
  REVOKE ALL ON LARGE OBJECT 2001, 2002 FROM PUBLIC;
  GRANT ALL ON LARGE OBJECT 2001 TO regressuser3;
  
  SELECT lo_unlink(1001);		-- to be denied
  SELECT lo_unlink(2002);
  
  \c -
  -- confirm ACL setting
  SELECT oid, pg_get_userbyid(lomowner) ownername, lomacl FROM pg_largeobject_metadata;
  
  SET SESSION AUTHORIZATION regressuser3;
  
  SELECT loread(lo_open(1001, x'40000'::int), 32);
  SELECT loread(lo_open(1003, x'40000'::int), 32);	-- to be denied
  SELECT loread(lo_open(1005, x'40000'::int), 32);
  
  SELECT lo_truncate(lo_open(1005, x'20000'::int), 10);	-- to be denied
  SELECT lo_truncate(lo_open(2001, x'20000'::int), 10);
  
  -- compatibility mode in largeobject permission
  \c -
  SET lo_compat_privileges = false;	-- default setting
  SET SESSION AUTHORIZATION regressuser4;
  
  SELECT loread(lo_open(1002, x'40000'::int), 32);	-- to be denied
  SELECT lowrite(lo_open(1002, x'20000'::int), 'abcd');	-- to be denied
  SELECT lo_truncate(lo_open(1002, x'20000'::int), 10);	-- to be denied
  SELECT lo_unlink(1002);					-- to be denied
  SELECT lo_export(1001, '/dev/null');			-- to be denied
  
  \c -
  SET lo_compat_privileges = true;	-- compatibility mode
  SET SESSION AUTHORIZATION regressuser4;
  
  SELECT loread(lo_open(1002, x'40000'::int), 32);
  SELECT lowrite(lo_open(1002, x'20000'::int), 'abcd');
  SELECT lo_truncate(lo_open(1002, x'20000'::int), 10);
  SELECT lo_unlink(1002);
  SELECT lo_export(1001, '/dev/null');			-- to be denied
  
  -- don't allow unpriv users to access pg_largeobject contents
  \c -
  SELECT * FROM pg_largeobject LIMIT 0;
  
  SET SESSION AUTHORIZATION regressuser1;
  SELECT * FROM pg_largeobject LIMIT 0;			-- to be denied
  
  -- test default ACLs
  \c -
  
  CREATE SCHEMA testns;
  GRANT ALL ON SCHEMA testns TO regressuser1;
  
  CREATE TABLE testns.acltest1 (x int);
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'SELECT'); -- no
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'INSERT'); -- no
  
  ALTER DEFAULT PRIVILEGES IN SCHEMA testns GRANT SELECT ON TABLES TO public;
  
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'SELECT'); -- no
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'INSERT'); -- no
  
  DROP TABLE testns.acltest1;
  CREATE TABLE testns.acltest1 (x int);
  
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'SELECT'); -- yes
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'INSERT'); -- no
  
  ALTER DEFAULT PRIVILEGES IN SCHEMA testns GRANT INSERT ON TABLES TO regressuser1;
  
  DROP TABLE testns.acltest1;
  CREATE TABLE testns.acltest1 (x int);
  
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'SELECT'); -- yes
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'INSERT'); -- yes
  
  ALTER DEFAULT PRIVILEGES IN SCHEMA testns REVOKE INSERT ON TABLES FROM regressuser1;
  
  DROP TABLE testns.acltest1;
  CREATE TABLE testns.acltest1 (x int);
  
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'SELECT'); -- yes
  SELECT has_table_privilege('regressuser1', 'testns.acltest1', 'INSERT'); -- no
  
  ALTER DEFAULT PRIVILEGES FOR ROLE regressuser1 REVOKE EXECUTE ON FUNCTIONS FROM public;
  
  SET ROLE regressuser1;
  
  CREATE FUNCTION testns.foo() RETURNS int AS 'select 1' LANGUAGE sql;
  
  SELECT has_function_privilege('regressuser2', 'testns.foo()', 'EXECUTE'); -- no
  
  ALTER DEFAULT PRIVILEGES IN SCHEMA testns GRANT EXECUTE ON FUNCTIONS to public;
  
  DROP FUNCTION testns.foo();
  CREATE FUNCTION testns.foo() RETURNS int AS 'select 1' LANGUAGE sql;
  
  SELECT has_function_privilege('regressuser2', 'testns.foo()', 'EXECUTE'); -- yes
  
  DROP FUNCTION testns.foo();
  
  ALTER DEFAULT PRIVILEGES FOR ROLE regressuser1 REVOKE USAGE ON TYPES FROM public;
  
  CREATE DOMAIN testns.testdomain1 AS int;
  
  SELECT has_type_privilege('regressuser2', 'testns.testdomain1', 'USAGE'); -- no
  
  ALTER DEFAULT PRIVILEGES IN SCHEMA testns GRANT USAGE ON TYPES to public;
  
  DROP DOMAIN testns.testdomain1;
  CREATE DOMAIN testns.testdomain1 AS int;
  
  SELECT has_type_privilege('regressuser2', 'testns.testdomain1', 'USAGE'); -- yes
  
  DROP DOMAIN testns.testdomain1;
  
  RESET ROLE;
  
  SELECT count(*)
    FROM pg_default_acl d LEFT JOIN pg_namespace n ON defaclnamespace = n.oid
    WHERE nspname = 'testns';
  
  DROP SCHEMA testns CASCADE;
  
  SELECT d.*     -- check that entries went away
    FROM pg_default_acl d LEFT JOIN pg_namespace n ON defaclnamespace = n.oid
    WHERE nspname IS NULL AND defaclnamespace != 0;
  
  
  -- Grant on all objects of given type in a schema
  \c -
  
  CREATE SCHEMA testns;
  CREATE TABLE testns.t1 (f1 int);
  CREATE TABLE testns.t2 (f1 int);
  
  SELECT has_table_privilege('regressuser1', 'testns.t1', 'SELECT'); -- false
  
  GRANT ALL ON ALL TABLES IN SCHEMA testns TO regressuser1;
  
  SELECT has_table_privilege('regressuser1', 'testns.t1', 'SELECT'); -- true
  SELECT has_table_privilege('regressuser1', 'testns.t2', 'SELECT'); -- true
  
  REVOKE ALL ON ALL TABLES IN SCHEMA testns FROM regressuser1;
  
  SELECT has_table_privilege('regressuser1', 'testns.t1', 'SELECT'); -- false
  SELECT has_table_privilege('regressuser1', 'testns.t2', 'SELECT'); -- false
  
  CREATE FUNCTION testns.testfunc(int) RETURNS int AS 'select 3 * $1;' LANGUAGE sql;
  
  SELECT has_function_privilege('regressuser1', 'testns.testfunc(int)', 'EXECUTE'); -- true by default
  
  REVOKE ALL ON ALL FUNCTIONS IN SCHEMA testns FROM PUBLIC;
  
  SELECT has_function_privilege('regressuser1', 'testns.testfunc(int)', 'EXECUTE'); -- false
  
  SET client_min_messages TO 'warning';
  DROP SCHEMA testns CASCADE;
  RESET client_min_messages;
  
  
  -- Change owner of the schema & and rename of new schema owner
  \c -
  
  CREATE ROLE schemauser1 superuser login;
  CREATE ROLE schemauser2 superuser login;
  
  SET SESSION ROLE schemauser1;
  CREATE SCHEMA testns;
  
  SELECT nspname, rolname FROM pg_namespace, pg_roles WHERE pg_namespace.nspname = 'testns' AND pg_namespace.nspowner = pg_roles.oid;
  
  ALTER SCHEMA testns OWNER TO schemauser2;
  ALTER ROLE schemauser2 RENAME TO schemauser_renamed;
  SELECT nspname, rolname FROM pg_namespace, pg_roles WHERE pg_namespace.nspname = 'testns' AND pg_namespace.nspowner = pg_roles.oid;
  
  set session role schemauser_renamed;
  SET client_min_messages TO 'warning';
  DROP SCHEMA testns CASCADE;
  RESET client_min_messages;
  
  -- clean up
  \c -
  
  DROP ROLE schemauser1;
  DROP ROLE schemauser_renamed;
  
  
  -- test that dependent privileges are revoked (or not) properly
  \c -
  
  set session role regressuser1;
  create table dep_priv_test (a int);
  grant select on dep_priv_test to regressuser2 with grant option;
  grant select on dep_priv_test to regressuser3 with grant option;
  set session role regressuser2;
  grant select on dep_priv_test to regressuser4 with grant option;
  set session role regressuser3;
  grant select on dep_priv_test to regressuser4 with grant option;
  set session role regressuser4;
  grant select on dep_priv_test to regressuser5;
  \dp dep_priv_test
  set session role regressuser2;
  revoke select on dep_priv_test from regressuser4 cascade;
  \dp dep_priv_test
  set session role regressuser3;
  revoke select on dep_priv_test from regressuser4 cascade;
  \dp dep_priv_test
  set session role regressuser1;
  drop table dep_priv_test;
  
  
  -- clean up
  
  \c
  
  drop sequence x_seq;
  
  DROP FUNCTION testfunc2(int);
  DROP FUNCTION testfunc4(boolean);
  
  DROP VIEW atestv0;
  DROP VIEW atestv1;
  DROP VIEW atestv2;
  -- this should cascade to drop atestv4
  DROP VIEW atestv3 CASCADE;
  -- this should complain "does not exist"
  DROP VIEW atestv4;
  
  DROP TABLE atest1;
  DROP TABLE atest2;
  DROP TABLE atest3;
  DROP TABLE atest4;
  DROP TABLE atest5;
  DROP TABLE atest6;
  DROP TABLE atestc;
  DROP TABLE atestp1;
  DROP TABLE atestp2;
  
  SELECT lo_unlink(oid) FROM pg_largeobject_metadata;
  
  DROP GROUP regressgroup1;
  DROP GROUP regressgroup2;
  
  -- these are needed to clean up permissions
  REVOKE USAGE ON LANGUAGE sql FROM regressuser1;
  DROP OWNED BY regressuser1;
  
  DROP USER regressuser1;
  DROP USER regressuser2;
  DROP USER regressuser3;
  DROP USER regressuser4;
  DROP USER regressuser5;
  DROP USER regressuser6;
  