view_perms.out

关系型数据库 Postgresql 6.5.2

QUERY: CREATE FUNCTION viewperms_nextid () RETURNS int4 AS '
	SELECT max(usesysid) + 1 AS ret FROM pg_user;
    ' LANGUAGE 'sql';
QUERY: CREATE FUNCTION viewperms_testid () RETURNS oid AS '
    	SELECT oid(textin(int4out(usesysid))) FROM pg_user
		WHERE usename = ''viewperms_testuser'';
    ' LANGUAGE 'sql';
QUERY: INSERT INTO pg_shadow VALUES (
	'viewperms_testuser',
	viewperms_nextid(),
	false, true, false, true,
	NULL, NULL
    );
QUERY: CREATE TABLE viewperms_t1 (
    	a	int4,
	b	text
    );
QUERY: CREATE TABLE viewperms_t2 (
    	a	int4,
	b	text
    );
QUERY: INSERT INTO viewperms_t1 VALUES (1, 'one');
QUERY: INSERT INTO viewperms_t1 VALUES (2, 'two');
QUERY: INSERT INTO viewperms_t1 VALUES (3, 'three');
QUERY: INSERT INTO viewperms_t2 VALUES (1, 'one');
QUERY: INSERT INTO viewperms_t2 VALUES (2, 'two');
QUERY: INSERT INTO viewperms_t2 VALUES (3, 'three');
QUERY: CREATE VIEW viewperms_v1 AS SELECT * FROM viewperms_t1;
QUERY: CREATE VIEW viewperms_v2 AS SELECT * FROM viewperms_t2;
QUERY: CREATE VIEW viewperms_v3 AS SELECT * FROM viewperms_t1;
QUERY: CREATE VIEW viewperms_v4 AS SELECT * FROM viewperms_t2;
QUERY: CREATE VIEW viewperms_v5 AS SELECT * FROM viewperms_v1;
QUERY: CREATE VIEW viewperms_v6 AS SELECT * FROM viewperms_v4;
QUERY: CREATE VIEW viewperms_v7 AS SELECT * FROM viewperms_v2;
QUERY: UPDATE pg_class SET relowner = viewperms_testid()
	WHERE relname = 'viewperms_t1';
QUERY: UPDATE pg_class SET relowner = viewperms_testid()
	WHERE relname = 'viewperms_v3';
QUERY: UPDATE pg_class SET relowner = viewperms_testid()
	WHERE relname = 'viewperms_v4';
QUERY: UPDATE pg_class SET relowner = viewperms_testid()
	WHERE relname = 'viewperms_v7';
QUERY: SELECT * FROM viewperms_v1;
a|b    
-+-----
1|one  
2|two  
3|three
(3 rows)

QUERY: SELECT * FROM viewperms_v2;
a|b    
-+-----
1|one  
2|two  
3|three
(3 rows)

QUERY: SELECT * FROM viewperms_v3;
a|b    
-+-----
1|one  
2|two  
3|three
(3 rows)

QUERY: SELECT * FROM viewperms_v4;
ERROR:  viewperms_t2: Permission denied.
QUERY: SELECT * FROM viewperms_v5;
a|b    
-+-----
1|one  
2|two  
3|three
(3 rows)

QUERY: SELECT * FROM viewperms_v6;
ERROR:  viewperms_t2: Permission denied.
QUERY: SELECT * FROM viewperms_v7;
ERROR:  viewperms_v2: Permission denied.
QUERY: GRANT SELECT ON viewperms_v2 TO PUBLIC;
QUERY: SELECT * FROM viewperms_v7;
a|b    
-+-----
1|one  
2|two  
3|three
(3 rows)

QUERY: DROP VIEW viewperms_v1;
QUERY: DROP VIEW viewperms_v2;
QUERY: DROP VIEW viewperms_v3;
QUERY: DROP VIEW viewperms_v4;
QUERY: DROP VIEW viewperms_v5;
QUERY: DROP VIEW viewperms_v6;
QUERY: DROP VIEW viewperms_v7;
QUERY: DROP TABLE viewperms_t1;
QUERY: DROP TABLE viewperms_t2;
QUERY: DROP FUNCTION viewperms_nextid ();
QUERY: DROP FUNCTION viewperms_testid ();
QUERY: DELETE FROM pg_shadow WHERE usename = 'viewperms_testuser';