(2012/02/22 9:30), Tom Lane wrote:
> Alvaro Herrera<[email protected]> writes:
>> Excerpts from Alvaro Herrera's message of mar feb 21 15:54:03 -0300 2012:
>>> Excerpts from Tom Lane's message of lun feb 20 12:37:45 -0300 2012:
>>>> As per http://archives.postgresql.org/pgsql-general/2012-02/msg00304.php
>>>> there is no switch case in shdepReassignOwned for foreign data wrappers.
>
>>> I'm gonna take a stab at fixing this now (the simple way).
>
>> Here's the patch I have; last minute opinions. I intend to push a
>> backpatch to 9.1 and 9.0. 8.4 has the same problem, but since Heikki
>> punted in e356743f3ed45c36dcc4d0dbf6c1e8751b3d70b5, I'm not going to
>> bother either.
>
> Looks roughly like what I expected, but I haven't tested it.
I did some tests. The results look good to me. Please find attached a
logfile. My only concern on the patch is
+static void
+AlterForeignServerOwner_internal(Relation rel, HeapTuple tup, Oid
newOwnerId)
+{
+ Form_pg_foreign_server form;
- srvId = HeapTupleGetOid(tup);
form = (Form_pg_foreign_server) GETSTRUCT(tup);
if (form->srvowner != newOwnerId)
@@ -366,10 +388,15 @@ AlterForeignServerOwner(const char *name, Oid
newOwnerId)
/* Superusers can always do it */
if (!superuser())
{
I wonder if superusers can always do it. For example, is it OK for
superusers to change the ownership of a foreign server owned by old_role
to new_role that doesn't have USAGE privilege on its foreign data wrapper.
Best regards,
Etsuro Fujita
$ psql postgres
psql (9.2devel)
Type "help" for help.
postgres=# CREATE ROLE reassign_fdw_user LOGIN SUPERUSER;
CREATE ROLE
postgres=# SET SESSION AUTHORIZATION 'reassign_fdw_user';
SET
postgres=# CREATE ROLE regress_test_role;
CREATE ROLE
postgres=# CREATE ROLE regress_test_role2;
CREATE ROLE
postgres=# CREATE ROLE regress_test_role_super SUPERUSER;
CREATE ROLE
postgres=# CREATE FOREIGN DATA WRAPPER foo;
CREATE FOREIGN DATA WRAPPER
postgres=# \dew
List of foreign-data wrappers
Name | Owner | Handler | Validator
------+-------------------+---------+-----------
foo | reassign_fdw_user | - | -
(1 row)
postgres=# REASSIGN OWNED BY reassign_fdw_user TO regress_test_role;
ERROR: permission denied to change owner of foreign-data wrapper "foo"
HINT: The owner of a foreign-data wrapper must be a superuser.
postgres=# REASSIGN OWNED BY reassign_fdw_user TO regress_test_role_super;
REASSIGN OWNED
postgres=# \dew
List of foreign-data wrappers
Name | Owner | Handler | Validator
------+-------------------------+---------+-----------
foo | regress_test_role_super | - | -
(1 row)
postgres=# REASSIGN OWNED BY regress_test_role_super TO regress_test_role;
ERROR: permission denied to change owner of foreign-data wrapper "foo"
HINT: The owner of a foreign-data wrapper must be a superuser.
postgres=# REASSIGN OWNED BY regress_test_role_super TO reassign_fdw_user;
REASSIGN OWNED
postgres=# GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_role;
GRANT
postgres=# SET ROLE regress_test_role;
SET
postgres=> CREATE SERVER t1 FOREIGN DATA WRAPPER foo;
CREATE SERVER
postgres=> REASSIGN OWNED by regress_test_role TO regress_test_role2;
ERROR: permission denied to reassign objects
postgres=> RESET ROLE;
RESET
postgres=# REASSIGN OWNED by regress_test_role TO regress_test_role2;
REASSIGN OWNED
postgres=# \des+
List of foreign servers
Name | Owner | Foreign-data wrapper | Access privileges | Type | V
ersion | FDW Options | Description
------+--------------------+----------------------+-------------------+------+--
-------+-------------+-------------
t1 | regress_test_role2 | foo | | |
| |
(1 row)
postgres=#
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