--
-- Test foreign-data wrapper and server management.
--
-- Clean up in case a prior regression run failed
-- Suppress NOTICE messages when roles don't exist
SET client_min_messages TO 'error';
DROP ROLE IF EXISTS foreign_data_user, regress_test_role, regress_test_role2, regress_test_role_super, regress_test_indirect, unpriviled_role;
RESET client_min_messages;
CREATE ROLE foreign_data_user LOGIN SUPERUSER;
SET SESSION AUTHORIZATION 'foreign_data_user';
CREATE ROLE regress_test_role;
CREATE ROLE regress_test_role2;
CREATE ROLE regress_test_role_super SUPERUSER;
CREATE ROLE regress_test_indirect;
CREATE ROLE unprivileged_role;
CREATE FOREIGN DATA WRAPPER dummy;
COMMENT ON FOREIGN DATA WRAPPER dummy IS 'useless';
CREATE FOREIGN DATA WRAPPER postgresql VALIDATOR postgresql_fdw_validator;
-- At this point we should have 2 built-in wrappers and no servers.
SELECT fdwname, fdwhandler::regproc, fdwvalidator::regproc, fdwoptions FROM pg_foreign_data_wrapper ORDER BY 1, 2, 3;
  fdwname   | fdwhandler |       fdwvalidator       | fdwoptions 
------------+------------+--------------------------+------------
 dummy      | -          | -                        | 
 postgresql | -          | postgresql_fdw_validator | 
(2 rows)

SELECT srvname, srvoptions FROM pg_foreign_server;
 srvname | srvoptions 
---------+------------
(0 rows)

SELECT * FROM pg_user_mapping;
 umuser | umserver | umoptions 
--------+----------+-----------
(0 rows)

-- CREATE FOREIGN DATA WRAPPER
CREATE FOREIGN DATA WRAPPER foo VALIDATOR bar;            -- ERROR
ERROR:  function bar(text[], oid) does not exist
CREATE FOREIGN DATA WRAPPER foo;
\dew
                    List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         
------------+-------------------+---------+--------------------------
 dummy      | foreign_data_user | -       | -
 foo        | foreign_data_user | -       | -
 postgresql | foreign_data_user | -       | postgresql_fdw_validator
(3 rows)

CREATE FOREIGN DATA WRAPPER foo; -- duplicate
ERROR:  foreign-data wrapper "foo" already exists
DROP FOREIGN DATA WRAPPER foo;
CREATE FOREIGN DATA WRAPPER foo OPTIONS (testing '1');
\dew+
                                             List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges |  FDW Options  | Description 
------------+-------------------+---------+--------------------------+-------------------+---------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |               | useless
 foo        | foreign_data_user | -       | -                        |                   | (testing '1') | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |               | 
(3 rows)

DROP FOREIGN DATA WRAPPER foo;
CREATE FOREIGN DATA WRAPPER foo OPTIONS (testing '1', testing '2');   -- ERROR
ERROR:  option "testing" provided more than once
CREATE FOREIGN DATA WRAPPER foo OPTIONS (testing '1', another '2');
\dew+
                                                   List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges |        FDW Options         | Description 
------------+-------------------+---------+--------------------------+-------------------+----------------------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |                            | useless
 foo        | foreign_data_user | -       | -                        |                   | (testing '1', another '2') | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |                            | 
(3 rows)

DROP FOREIGN DATA WRAPPER foo;
SET ROLE regress_test_role;
CREATE FOREIGN DATA WRAPPER foo; -- ERROR
ERROR:  permission denied to create foreign-data wrapper "foo"
HINT:  Must be superuser to create a foreign-data wrapper.
RESET ROLE;
CREATE FOREIGN DATA WRAPPER foo VALIDATOR postgresql_fdw_validator;
\dew+
                                            List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges | FDW Options | Description 
------------+-------------------+---------+--------------------------+-------------------+-------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |             | useless
 foo        | foreign_data_user | -       | postgresql_fdw_validator |                   |             | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |             | 
(3 rows)

-- ALTER FOREIGN DATA WRAPPER
ALTER FOREIGN DATA WRAPPER foo;                             -- ERROR
ERROR:  syntax error at or near ";"
LINE 1: ALTER FOREIGN DATA WRAPPER foo;
                                      ^
ALTER FOREIGN DATA WRAPPER foo VALIDATOR bar;               -- ERROR
ERROR:  function bar(text[], oid) does not exist
ALTER FOREIGN DATA WRAPPER foo NO VALIDATOR;
\dew+
                                            List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges | FDW Options | Description 
------------+-------------------+---------+--------------------------+-------------------+-------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |             | useless
 foo        | foreign_data_user | -       | -                        |                   |             | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |             | 
(3 rows)

ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '1', b '2');
ALTER FOREIGN DATA WRAPPER foo OPTIONS (SET c '4');         -- ERROR
ERROR:  option "c" not found
ALTER FOREIGN DATA WRAPPER foo OPTIONS (DROP c);            -- ERROR
ERROR:  option "c" not found
ALTER FOREIGN DATA WRAPPER foo OPTIONS (ADD x '1', DROP x);
\dew+
                                             List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges |  FDW Options   | Description 
------------+-------------------+---------+--------------------------+-------------------+----------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |                | useless
 foo        | foreign_data_user | -       | -                        |                   | (a '1', b '2') | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |                | 
(3 rows)

ALTER FOREIGN DATA WRAPPER foo OPTIONS (DROP a, SET b '3', ADD c '4');
\dew+
                                             List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges |  FDW Options   | Description 
------------+-------------------+---------+--------------------------+-------------------+----------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |                | useless
 foo        | foreign_data_user | -       | -                        |                   | (b '3', c '4') | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |                | 
(3 rows)

ALTER FOREIGN DATA WRAPPER foo OPTIONS (a '2');
ALTER FOREIGN DATA WRAPPER foo OPTIONS (b '4');             -- ERROR
ERROR:  option "b" provided more than once
\dew+
                                                 List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges |      FDW Options      | Description 
------------+-------------------+---------+--------------------------+-------------------+-----------------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |                       | useless
 foo        | foreign_data_user | -       | -                        |                   | (b '3', c '4', a '2') | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |                       | 
(3 rows)

SET ROLE regress_test_role;
ALTER FOREIGN DATA WRAPPER foo OPTIONS (ADD d '5');         -- ERROR
ERROR:  permission denied to alter foreign-data wrapper "foo"
HINT:  Must be superuser to alter a foreign-data wrapper.
SET ROLE regress_test_role_super;
ALTER FOREIGN DATA WRAPPER foo OPTIONS (ADD d '5');
\dew+
                                                    List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges |         FDW Options          | Description 
------------+-------------------+---------+--------------------------+-------------------+------------------------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |                              | useless
 foo        | foreign_data_user | -       | -                        |                   | (b '3', c '4', a '2', d '5') | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |                              | 
(3 rows)

ALTER FOREIGN DATA WRAPPER foo OWNER TO regress_test_role;  -- ERROR
ERROR:  permission denied to change owner of foreign-data wrapper "foo"
HINT:  The owner of a foreign-data wrapper must be a superuser.
ALTER FOREIGN DATA WRAPPER foo OWNER TO regress_test_role_super;
ALTER ROLE regress_test_role_super NOSUPERUSER;
SET ROLE regress_test_role_super;
ALTER FOREIGN DATA WRAPPER foo OPTIONS (ADD e '6');         -- ERROR
ERROR:  permission denied to alter foreign-data wrapper "foo"
HINT:  Must be superuser to alter a foreign-data wrapper.
RESET ROLE;
\dew+
                                                       List of foreign-data wrappers
    Name    |          Owner          | Handler |        Validator         | Access privileges |         FDW Options          | Description 
------------+-------------------------+---------+--------------------------+-------------------+------------------------------+-------------
 dummy      | foreign_data_user       | -       | -                        |                   |                              | useless
 foo        | regress_test_role_super | -       | -                        |                   | (b '3', c '4', a '2', d '5') | 
 postgresql | foreign_data_user       | -       | postgresql_fdw_validator |                   |                              | 
(3 rows)

ALTER FOREIGN DATA WRAPPER foo RENAME TO foo1;
\dew+
                                                       List of foreign-data wrappers
    Name    |          Owner          | Handler |        Validator         | Access privileges |         FDW Options          | Description 
------------+-------------------------+---------+--------------------------+-------------------+------------------------------+-------------
 dummy      | foreign_data_user       | -       | -                        |                   |                              | useless
 foo1       | regress_test_role_super | -       | -                        |                   | (b '3', c '4', a '2', d '5') | 
 postgresql | foreign_data_user       | -       | postgresql_fdw_validator |                   |                              | 
(3 rows)

ALTER FOREIGN DATA WRAPPER foo1 RENAME TO foo;
-- DROP FOREIGN DATA WRAPPER
DROP FOREIGN DATA WRAPPER nonexistent;                      -- ERROR
ERROR:  foreign-data wrapper "nonexistent" does not exist
DROP FOREIGN DATA WRAPPER IF EXISTS nonexistent;
NOTICE:  foreign-data wrapper "nonexistent" does not exist, skipping
\dew+
                                                       List of foreign-data wrappers
    Name    |          Owner          | Handler |        Validator         | Access privileges |         FDW Options          | Description 
------------+-------------------------+---------+--------------------------+-------------------+------------------------------+-------------
 dummy      | foreign_data_user       | -       | -                        |                   |                              | useless
 foo        | regress_test_role_super | -       | -                        |                   | (b '3', c '4', a '2', d '5') | 
 postgresql | foreign_data_user       | -       | postgresql_fdw_validator |                   |                              | 
(3 rows)

DROP ROLE regress_test_role_super;                          -- ERROR
ERROR:  role "regress_test_role_super" cannot be dropped because some objects depend on it
DETAIL:  owner of foreign-data wrapper foo
SET ROLE regress_test_role_super;
DROP FOREIGN DATA WRAPPER foo;
RESET ROLE;
DROP ROLE regress_test_role_super;
\dew+
                                            List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges | FDW Options | Description 
------------+-------------------+---------+--------------------------+-------------------+-------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |             | useless
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |             | 
(2 rows)

CREATE FOREIGN DATA WRAPPER foo;
CREATE SERVER s1 FOREIGN DATA WRAPPER foo;
COMMENT ON SERVER s1 IS 'foreign server';
CREATE USER MAPPING FOR current_user SERVER s1;
\dew+
                                            List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges | FDW Options | Description 
------------+-------------------+---------+--------------------------+-------------------+-------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |             | useless
 foo        | foreign_data_user | -       | -                        |                   |             | 
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |             | 
(3 rows)

\des+
                                               List of foreign servers
 Name |       Owner       | Foreign-data wrapper | Access privileges | Type | Version | FDW Options |  Description   
------+-------------------+----------------------+-------------------+------+---------+-------------+----------------
 s1   | foreign_data_user | foo                  |                   |      |         |             | foreign server
(1 row)

\deu+
          List of user mappings
 Server |     User name     | FDW Options 
--------+-------------------+-------------
 s1     | foreign_data_user | 
(1 row)

DROP FOREIGN DATA WRAPPER foo;                              -- ERROR
ERROR:  cannot drop foreign-data wrapper foo because other objects depend on it
DETAIL:  server s1 depends on foreign-data wrapper foo
user mapping for foreign_data_user depends on server s1
HINT:  Use DROP ... CASCADE to drop the dependent objects too.
SET ROLE regress_test_role;
DROP FOREIGN DATA WRAPPER foo CASCADE;                      -- ERROR
ERROR:  must be owner of foreign-data wrapper foo
RESET ROLE;
DROP FOREIGN DATA WRAPPER foo CASCADE;
NOTICE:  drop cascades to 2 other objects
DETAIL:  drop cascades to server s1
drop cascades to user mapping for foreign_data_user
\dew+
                                            List of foreign-data wrappers
    Name    |       Owner       | Handler |        Validator         | Access privileges | FDW Options | Description 
------------+-------------------+---------+--------------------------+-------------------+-------------+-------------
 dummy      | foreign_data_user | -       | -                        |                   |             | useless
 postgresql | foreign_data_user | -       | postgresql_fdw_validator |                   |             | 
(2 rows)

\des+
                                       List of foreign servers
 Name | Owner | Foreign-data wrapper | Access privileges | Type | Version | FDW Options | Description 
------+-------+----------------------+-------------------+------+---------+-------------+-------------
(0 rows)

\deu+
      List of user mappings
 Server | User name | FDW Options 
--------+-----------+-------------
(0 rows)

-- exercise CREATE SERVER
CREATE SERVER s1 FOREIGN DATA WRAPPER foo;                  -- ERROR
ERROR:  foreign-data wrapper "foo" does not exist
CREATE FOREIGN DATA WRAPPER foo OPTIONS ("test wrapper" 'true');
CREATE SERVER s1 FOREIGN DATA WRAPPER foo;
CREATE SERVER s1 FOREIGN DATA WRAPPER foo;                  -- ERROR
ERROR:  server "s1" already exists
CREATE SERVER s2 FOREIGN DATA WRAPPER foo OPTIONS (host 'a', dbname 'b');
CREATE SERVER s3 TYPE 'oracle' FOREIGN DATA WRAPPER foo;
CREATE SERVER s4 TYPE 'oracle' FOREIGN DATA WRAPPER foo OPTIONS (host 'a', dbname 'b');
CREATE SERVER s5 VERSION '15.0' FOREIGN DATA WRAPPER foo;
CREATE SERVER s6 VERSION '16.0' FOREIGN DATA WRAPPER foo OPTIONS (host 'a', dbname 'b');
CREATE SERVER s7 TYPE 'oracle' VERSION '17.0' FOREIGN DATA WRAPPER foo OPTIONS (host 'a', dbname 'b');
CREATE SERVER s8 FOREIGN DATA WRAPPER postgresql OPTIONS (foo '1'); -- ERROR
ERROR:  invalid option "foo"
HINT:  Valid options in this context are: authtype, service, connect_timeout, dbname, host, hostaddr, port, tty, options, requiressl, sslmode, gsslib
CREATE SERVER s8 FOREIGN DATA WRAPPER postgresql OPTIONS (host 'localhost', dbname 's8db');
\des+
                                                         List of foreign servers
 Name |       Owner       | Foreign-data wrapper | Access privileges |  Type  | Version |            FDW Options            | Description 
------+-------------------+----------------------+-------------------+--------+---------+-----------------------------------+-------------
 s1   | foreign_data_user | foo                  |                   |        |         |                                   | 
 s2   | foreign_data_user | foo                  |                   |        |         | (host 'a', dbname 'b')            | 
 s3   | foreign_data_user | foo                  |                   | oracle |         |                                   | 
 s4   | foreign_data_user | foo                  |                   | oracle |         | (host 'a', dbname 'b')            | 
 s5   | foreign_data_user | foo                  |                   |        | 15.0    |                                   | 
 s6   | foreign_data_user | foo                  |                   |        | 16.0    | (host 'a', dbname 'b')            | 
 s7   | foreign_data_user | foo                  |                   | oracle | 17.0    | (host 'a', dbname 'b')            | 
 s8   | foreign_data_user | postgresql           |                   |        |         | (host 'localhost', dbname 's8db') | 
(8 rows)

SET ROLE regress_test_role;
CREATE SERVER t1 FOREIGN DATA WRAPPER foo;                 -- ERROR: no usage on FDW
ERROR:  permission denied for foreign-data wrapper foo
RESET ROLE;
GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_role;
SET ROLE regress_test_role;
CREATE SERVER t1 FOREIGN DATA WRAPPER foo;
RESET ROLE;
\des+
                                                         List of foreign servers
 Name |       Owner       | Foreign-data wrapper | Access privileges |  Type  | Version |            FDW Options            | Description 
------+-------------------+----------------------+-------------------+--------+---------+-----------------------------------+-------------
 s1   | foreign_data_user | foo                  |                   |        |         |                                   | 
 s2   | foreign_data_user | foo                  |                   |        |         | (host 'a', dbname 'b')            | 
 s3   | foreign_data_user | foo                  |                   | oracle |         |                                   | 
 s4   | foreign_data_user | foo                  |                   | oracle |         | (host 'a', dbname 'b')            | 
 s5   | foreign_data_user | foo                  |                   |        | 15.0    |                                   | 
 s6   | foreign_data_user | foo                  |                   |        | 16.0    | (host 'a', dbname 'b')            | 
 s7   | foreign_data_user | foo                  |                   | oracle | 17.0    | (host 'a', dbname 'b')            | 
 s8   | foreign_data_user | postgresql           |                   |        |         | (host 'localhost', dbname 's8db') | 
 t1   | regress_test_role | foo                  |                   |        |         |                                   | 
(9 rows)

REVOKE USAGE ON FOREIGN DATA WRAPPER foo FROM regress_test_role;
GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_indirect;
SET ROLE regress_test_role;
CREATE SERVER t2 FOREIGN DATA WRAPPER foo;                 -- ERROR
ERROR:  permission denied for foreign-data wrapper foo
RESET ROLE;
GRANT regress_test_indirect TO regress_test_role;
SET ROLE regress_test_role;
CREATE SERVER t2 FOREIGN DATA WRAPPER foo;
\des+
                                                         List of foreign servers
 Name |       Owner       | Foreign-data wrapper | Access privileges |  Type  | Version |            FDW Options            | Description 
------+-------------------+----------------------+-------------------+--------+---------+-----------------------------------+-------------
 s1   | foreign_data_user | foo                  |                   |        |         |                                   | 
 s2   | foreign_data_user | foo                  |                   |        |         | (host 'a', dbname 'b')            | 
 s3   | foreign_data_user | foo                  |                   | oracle |         |                                   | 
 s4   | foreign_data_user | foo                  |                   | oracle |         | (host 'a', dbname 'b')            | 
 s5   | foreign_data_user | foo                  |                   |        | 15.0    |                                   | 
 s6   | foreign_data_user | foo                  |                   |        | 16.0    | (host 'a', dbname 'b')            | 
 s7   | foreign_data_user | foo                  |                   | oracle | 17.0    | (host 'a', dbname 'b')            | 
 s8   | foreign_data_user | postgresql           |                   |        |         | (host 'localhost', dbname 's8db') | 
 t1   | regress_test_role | foo                  |                   |        |         |                                   | 
 t2   | regress_test_role | foo                  |                   |        |         |                                   | 
(10 rows)

RESET ROLE;
REVOKE regress_test_indirect FROM regress_test_role;
-- ALTER SERVER
ALTER SERVER s0;                                            -- ERROR
ERROR:  syntax error at or near ";"
LINE 1: ALTER SERVER s0;
                       ^
ALTER SERVER s0 OPTIONS (a '1');                            -- ERROR
ERROR:  server "s0" does not exist
ALTER SERVER s1 VERSION '1.0' OPTIONS (servername 's1');
ALTER SERVER s2 VERSION '1.1';
ALTER SERVER s3 OPTIONS ("tns name" 'orcl', port '1521');
GRANT USAGE ON FOREIGN SERVER s1 TO regress_test_role;
GRANT USAGE ON FOREIGN SERVER s6 TO regress_test_role2 WITH GRANT OPTION;
\des+
                                                                    List of foreign servers
 Name |       Owner       | Foreign-data wrapper |            Access privileges            |  Type  | Version |            FDW Options            | Description 
------+-------------------+----------------------+-----------------------------------------+--------+---------+-----------------------------------+-------------
 s1   | foreign_data_user | foo                  | foreign_data_user=U/foreign_data_user  +|        | 1.0     | (servername 's1')                 | 
      |                   |                      | regress_test_role=U/foreign_data_user   |        |         |                                   | 
 s2   | foreign_data_user | foo                  |                                         |        | 1.1     | (host 'a', dbname 'b')            | 
 s3   | foreign_data_user | foo                  |                                         | oracle |         | ("tns name" 'orcl', port '1521')  | 
 s4   | foreign_data_user | foo                  |                                         | oracle |         | (host 'a', dbname 'b')            | 
 s5   | foreign_data_user | foo                  |                                         |        | 15.0    |                                   | 
 s6   | foreign_data_user | foo                  | foreign_data_user=U/foreign_data_user  +|        | 16.0    | (host 'a', dbname 'b')            | 
      |                   |                      | regress_test_role2=U*/foreign_data_user |        |         |                                   | 
 s7   | foreign_data_user | foo                  |                                         | oracle | 17.0    | (host 'a', dbname 'b')            | 
 s8   | foreign_data_user | postgresql           |                                         |        |         | (host 'localhost', dbname 's8db') | 
 t1   | regress_test_role | foo                  |                                         |        |         |                                   | 
 t2   | regress_test_role | foo                  |                                         |        |         |                                   | 
(10 rows)

SET ROLE regress_test_role;
ALTER SERVER s1 VERSION '1.1';                              -- ERROR
ERROR:  must be owner of foreign server s1
ALTER SERVER s1 OWNER TO regress_test_role;                 -- ERROR
ERROR:  must be owner of foreign server s1
RESET ROLE;
ALTER SERVER s1 OWNER TO regress_test_role;
GRANT regress_test_role2 TO regress_test_role;
SET ROLE regress_test_role;
ALTER SERVER s1 VERSION '1.1';
ALTER SERVER s1 OWNER TO regress_test_role2;                -- ERROR
ERROR:  permission denied for foreign-data wrapper foo
RESET ROLE;
ALTER SERVER s8 OPTIONS (foo '1');                          -- ERROR option validation
ERROR:  invalid option "foo"
HINT:  Valid options in this context are: authtype, service, connect_timeout, dbname, host, hostaddr, port, tty, options, requiressl, sslmode, gsslib
ALTER SERVER s8 OPTIONS (connect_timeout '30', SET dbname 'db1', DROP host);
SET ROLE regress_test_role;
ALTER SERVER s1 OWNER TO regress_test_indirect;             -- ERROR
ERROR:  must be member of role "regress_test_indirect"
RESET ROLE;
GRANT regress_test_indirect TO regress_test_role;
SET ROLE regress_test_role;
ALTER SERVER s1 OWNER TO regress_test_indirect;
RESET ROLE;
GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_indirect;
SET ROLE regress_test_role;
ALTER SERVER s1 OWNER TO regress_test_indirect;
RESET ROLE;
DROP ROLE regress_test_indirect;                            -- ERROR
ERROR:  role "regress_test_indirect" cannot be dropped because some objects depend on it
DETAIL:  owner of server s1
privileges for foreign-data wrapper foo
\des+
                                                                        List of foreign servers
 Name |         Owner         | Foreign-data wrapper |            Access privileges            |  Type  | Version |             FDW Options              | Description 
------+-----------------------+----------------------+-----------------------------------------+--------+---------+--------------------------------------+-------------
 s1   | regress_test_indirect | foo                  | foreign_data_user=U/foreign_data_user  +|        | 1.1     | (servername 's1')                    | 
      |                       |                      | regress_test_role=U/foreign_data_user   |        |         |                                      | 
 s2   | foreign_data_user     | foo                  |                                         |        | 1.1     | (host 'a', dbname 'b')               | 
 s3   | foreign_data_user     | foo                  |                                         | oracle |         | ("tns name" 'orcl', port '1521')     | 
 s4   | foreign_data_user     | foo                  |                                         | oracle |         | (host 'a', dbname 'b')               | 
 s5   | foreign_data_user     | foo                  |                                         |        | 15.0    |                                      | 
 s6   | foreign_data_user     | foo                  | foreign_data_user=U/foreign_data_user  +|        | 16.0    | (host 'a', dbname 'b')               | 
      |                       |                      | regress_test_role2=U*/foreign_data_user |        |         |                                      | 
 s7   | foreign_data_user     | foo                  |                                         | oracle | 17.0    | (host 'a', dbname 'b')               | 
 s8   | foreign_data_user     | postgresql           |                                         |        |         | (dbname 'db1', connect_timeout '30') | 
 t1   | regress_test_role     | foo                  |                                         |        |         |                                      | 
 t2   | regress_test_role     | foo                  |                                         |        |         |                                      | 
(10 rows)

ALTER SERVER s8 RENAME to s8new;
\des+
                                                                        List of foreign servers
 Name  |         Owner         | Foreign-data wrapper |            Access privileges            |  Type  | Version |             FDW Options              | Description 
-------+-----------------------+----------------------+-----------------------------------------+--------+---------+--------------------------------------+-------------
 s1    | regress_test_indirect | foo                  | foreign_data_user=U/foreign_data_user  +|        | 1.1     | (servername 's1')                    | 
       |                       |                      | regress_test_role=U/foreign_data_user   |        |         |                                      | 
 s2    | foreign_data_user     | foo                  |                                         |        | 1.1     | (host 'a', dbname 'b')               | 
 s3    | foreign_data_user     | foo                  |                                         | oracle |         | ("tns name" 'orcl', port '1521')     | 
 s4    | foreign_data_user     | foo                  |                                         | oracle |         | (host 'a', dbname 'b')               | 
 s5    | foreign_data_user     | foo                  |                                         |        | 15.0    |                                      | 
 s6    | foreign_data_user     | foo                  | foreign_data_user=U/foreign_data_user  +|        | 16.0    | (host 'a', dbname 'b')               | 
       |                       |                      | regress_test_role2=U*/foreign_data_user |        |         |                                      | 
 s7    | foreign_data_user     | foo                  |                                         | oracle | 17.0    | (host 'a', dbname 'b')               | 
 s8new | foreign_data_user     | postgresql           |                                         |        |         | (dbname 'db1', connect_timeout '30') | 
 t1    | regress_test_role     | foo                  |                                         |        |         |                                      | 
 t2    | regress_test_role     | foo                  |                                         |        |         |                                      | 
(10 rows)

ALTER SERVER s8new RENAME to s8;
-- DROP SERVER
DROP SERVER nonexistent;                                    -- ERROR
ERROR:  server "nonexistent" does not exist
DROP SERVER IF EXISTS nonexistent;
NOTICE:  server "nonexistent" does not exist, skipping
\des
               List of foreign servers
 Name |         Owner         | Foreign-data wrapper 
------+-----------------------+----------------------
 s1   | regress_test_indirect | foo
 s2   | foreign_data_user     | foo
 s3   | foreign_data_user     | foo
 s4   | foreign_data_user     | foo
 s5   | foreign_data_user     | foo
 s6   | foreign_data_user     | foo
 s7   | foreign_data_user     | foo
 s8   | foreign_data_user     | postgresql
 t1   | regress_test_role     | foo
 t2   | regress_test_role     | foo
(10 rows)

SET ROLE regress_test_role;
DROP SERVER s2;                                             -- ERROR
ERROR:  must be owner of foreign server s2
DROP SERVER s1;
RESET ROLE;
\des
             List of foreign servers
 Name |       Owner       | Foreign-data wrapper 
------+-------------------+----------------------
 s2   | foreign_data_user | foo
 s3   | foreign_data_user | foo
 s4   | foreign_data_user | foo
 s5   | foreign_data_user | foo
 s6   | foreign_data_user | foo
 s7   | foreign_data_user | foo
 s8   | foreign_data_user | postgresql
 t1   | regress_test_role | foo
 t2   | regress_test_role | foo
(9 rows)

ALTER SERVER s2 OWNER TO regress_test_role;
SET ROLE regress_test_role;
DROP SERVER s2;
RESET ROLE;
\des
             List of foreign servers
 Name |       Owner       | Foreign-data wrapper 
------+-------------------+----------------------
 s3   | foreign_data_user | foo
 s4   | foreign_data_user | foo
 s5   | foreign_data_user | foo
 s6   | foreign_data_user | foo
 s7   | foreign_data_user | foo
 s8   | foreign_data_user | postgresql
 t1   | regress_test_role | foo
 t2   | regress_test_role | foo
(8 rows)

CREATE USER MAPPING FOR current_user SERVER s3;
\deu
   List of user mappings
 Server |     User name     
--------+-------------------
 s3     | foreign_data_user
(1 row)

DROP SERVER s3;                                             -- ERROR
ERROR:  cannot drop server s3 because other objects depend on it
DETAIL:  user mapping for foreign_data_user depends on server s3
HINT:  Use DROP ... CASCADE to drop the dependent objects too.
DROP SERVER s3 CASCADE;
NOTICE:  drop cascades to user mapping for foreign_data_user
\des
             List of foreign servers
 Name |       Owner       | Foreign-data wrapper 
------+-------------------+----------------------
 s4   | foreign_data_user | foo
 s5   | foreign_data_user | foo
 s6   | foreign_data_user | foo
 s7   | foreign_data_user | foo
 s8   | foreign_data_user | postgresql
 t1   | regress_test_role | foo
 t2   | regress_test_role | foo
(7 rows)

\deu
List of user mappings
 Server | User name 
--------+-----------
(0 rows)

-- CREATE USER MAPPING
CREATE USER MAPPING FOR regress_test_missing_role SERVER s1;  -- ERROR
ERROR:  role "regress_test_missing_role" does not exist
CREATE USER MAPPING FOR current_user SERVER s1;             -- ERROR
ERROR:  server "s1" does not exist
CREATE USER MAPPING FOR current_user SERVER s4;
CREATE USER MAPPING FOR user SERVER s4;                     -- ERROR duplicate
ERROR:  user mapping "foreign_data_user" already exists for server s4
CREATE USER MAPPING FOR public SERVER s4 OPTIONS ("this mapping" 'is public');
CREATE USER MAPPING FOR user SERVER s8 OPTIONS (username 'test', password 'secret');    -- ERROR
ERROR:  invalid option "username"
HINT:  Valid options in this context are: user, password
CREATE USER MAPPING FOR user SERVER s8 OPTIONS (user 'test', password 'secret');
ALTER SERVER s5 OWNER TO regress_test_role;
ALTER SERVER s6 OWNER TO regress_test_indirect;
SET ROLE regress_test_role;
CREATE USER MAPPING FOR current_user SERVER s5;
CREATE USER MAPPING FOR current_user SERVER s6 OPTIONS (username 'test');
CREATE USER MAPPING FOR current_user SERVER s7;             -- ERROR
ERROR:  permission denied for foreign server s7
CREATE USER MAPPING FOR public SERVER s8;                   -- ERROR
ERROR:  must be owner of foreign server s8
RESET ROLE;
ALTER SERVER t1 OWNER TO regress_test_indirect;
SET ROLE regress_test_role;
CREATE USER MAPPING FOR current_user SERVER t1 OPTIONS (username 'bob', password 'boo');
CREATE USER MAPPING FOR public SERVER t1;
RESET ROLE;
\deu
   List of user mappings
 Server |     User name     
--------+-------------------
 s4     | foreign_data_user
 s4     | public
 s5     | regress_test_role
 s6     | regress_test_role
 s8     | foreign_data_user
 t1     | public
 t1     | regress_test_role
(7 rows)

-- ALTER USER MAPPING
ALTER USER MAPPING FOR regress_test_missing_role SERVER s4 OPTIONS (gotcha 'true'); -- ERROR
ERROR:  role "regress_test_missing_role" does not exist
ALTER USER MAPPING FOR user SERVER ss4 OPTIONS (gotcha 'true'); -- ERROR
ERROR:  server "ss4" does not exist
ALTER USER MAPPING FOR public SERVER s5 OPTIONS (gotcha 'true');            -- ERROR
ERROR:  user mapping "public" does not exist for the server
ALTER USER MAPPING FOR current_user SERVER s8 OPTIONS (username 'test');    -- ERROR
ERROR:  invalid option "username"
HINT:  Valid options in this context are: user, password
ALTER USER MAPPING FOR current_user SERVER s8 OPTIONS (DROP user, SET password 'public');
SET ROLE regress_test_role;
ALTER USER MAPPING FOR current_user SERVER s5 OPTIONS (ADD modified '1');
ALTER USER MAPPING FOR public SERVER s4 OPTIONS (ADD modified '1'); -- ERROR
ERROR:  must be owner of foreign server s4
ALTER USER MAPPING FOR public SERVER t1 OPTIONS (ADD modified '1');
RESET ROLE;
\deu+
                     List of user mappings
 Server |     User name     |           FDW Options            
--------+-------------------+----------------------------------
 s4     | foreign_data_user | 
 s4     | public            | ("this mapping" 'is public')
 s5     | regress_test_role | (modified '1')
 s6     | regress_test_role | (username 'test')
 s8     | foreign_data_user | (password 'public')
 t1     | public            | (modified '1')
 t1     | regress_test_role | (username 'bob', password 'boo')
(7 rows)

-- DROP USER MAPPING
DROP USER MAPPING FOR regress_test_missing_role SERVER s4;  -- ERROR
ERROR:  role "regress_test_missing_role" does not exist
DROP USER MAPPING FOR user SERVER ss4;
ERROR:  server "ss4" does not exist
DROP USER MAPPING FOR public SERVER s7;                     -- ERROR
ERROR:  user mapping "public" does not exist for the server
DROP USER MAPPING IF EXISTS FOR regress_test_missing_role SERVER s4;
NOTICE:  role "regress_test_missing_role" does not exist, skipping
DROP USER MAPPING IF EXISTS FOR user SERVER ss4;
NOTICE:  server does not exist, skipping
DROP USER MAPPING IF EXISTS FOR public SERVER s7;
NOTICE:  user mapping "public" does not exist for the server, skipping
CREATE USER MAPPING FOR public SERVER s8;
SET ROLE regress_test_role;
DROP USER MAPPING FOR public SERVER s8;                     -- ERROR
ERROR:  must be owner of foreign server s8
RESET ROLE;
DROP SERVER s7;
\deu
   List of user mappings
 Server |     User name     
--------+-------------------
 s4     | foreign_data_user
 s4     | public
 s5     | regress_test_role
 s6     | regress_test_role
 s8     | foreign_data_user
 s8     | public
 t1     | public
 t1     | regress_test_role
(8 rows)

-- CREATE FOREIGN TABLE
CREATE SCHEMA foreign_schema;
CREATE SERVER s0 FOREIGN DATA WRAPPER dummy;
CREATE FOREIGN TABLE ft1 ();                                    -- ERROR
ERROR:  syntax error at or near ";"
LINE 1: CREATE FOREIGN TABLE ft1 ();
                                   ^
CREATE FOREIGN TABLE ft1 () SERVER no_server;                   -- ERROR
ERROR:  server "no_server" does not exist
CREATE FOREIGN TABLE ft1 (c1 serial) SERVER sc;                 -- ERROR
NOTICE:  CREATE FOREIGN TABLE will create implicit sequence "ft1_c1_seq" for serial column "ft1.c1"
ERROR:  default values on foreign tables are not supported
CREATE FOREIGN TABLE ft1 () SERVER s0 WITH OIDS;                -- ERROR
ERROR:  syntax error at or near "WITH OIDS"
LINE 1: CREATE FOREIGN TABLE ft1 () SERVER s0 WITH OIDS;
                                              ^
CREATE FOREIGN TABLE ft1 (
	c1 integer OPTIONS ("param 1" 'val1') NOT NULL,
	c2 text OPTIONS (param2 'val2', param3 'val3'),
	c3 date
) SERVER s0 OPTIONS (delimiter ',', quote '"', "be quoted" 'value');
COMMENT ON FOREIGN TABLE ft1 IS 'ft1';
COMMENT ON COLUMN ft1.c1 IS 'ft1.c1';
\d+ ft1
                                      Foreign table "public.ft1"
 Column |  Type   | Modifiers |          FDW Options           | Storage  | Stats target | Description 
--------+---------+-----------+--------------------------------+----------+--------------+-------------
 c1     | integer | not null  | ("param 1" 'val1')             | plain    |              | ft1.c1
 c2     | text    |           | (param2 'val2', param3 'val3') | extended |              | 
 c3     | date    |           |                                | plain    |              | 
Server: s0
FDW Options: (delimiter ',', quote '"', "be quoted" 'value')
Has OIDs: no

\det+
                                 List of foreign tables
 Schema | Table | Server |                   FDW Options                   | Description 
--------+-------+--------+-------------------------------------------------+-------------
 public | ft1   | s0     | (delimiter ',', quote '"', "be quoted" 'value') | ft1
(1 row)

CREATE INDEX id_ft1_c2 ON ft1 (c2);                             -- ERROR
ERROR:  cannot create index on foreign table "ft1"
SELECT * FROM ft1;                                              -- ERROR
ERROR:  foreign-data wrapper "dummy" has no handler
EXPLAIN SELECT * FROM ft1;                                      -- ERROR
ERROR:  foreign-data wrapper "dummy" has no handler
-- ALTER FOREIGN TABLE
COMMENT ON FOREIGN TABLE ft1 IS 'foreign table';
COMMENT ON FOREIGN TABLE ft1 IS NULL;
COMMENT ON COLUMN ft1.c1 IS 'foreign column';
COMMENT ON COLUMN ft1.c1 IS NULL;
ALTER FOREIGN TABLE ft1 ADD COLUMN c4 integer;
ALTER FOREIGN TABLE ft1 ADD COLUMN c5 integer DEFAULT 0;        -- ERROR
ERROR:  default values on foreign tables are not supported
ALTER FOREIGN TABLE ft1 ADD COLUMN c6 integer;
ALTER FOREIGN TABLE ft1 ADD COLUMN c7 integer NOT NULL;
ALTER FOREIGN TABLE ft1 ADD COLUMN c8 integer;
ALTER FOREIGN TABLE ft1 ADD COLUMN c9 integer;
ALTER FOREIGN TABLE ft1 ADD COLUMN c10 integer OPTIONS (p1 'v1');
ALTER FOREIGN TABLE ft1 ALTER COLUMN c4 SET DEFAULT 0;          -- ERROR
ERROR:  "ft1" is not a table or view
ALTER FOREIGN TABLE ft1 ALTER COLUMN c5 DROP DEFAULT;           -- ERROR
ERROR:  "ft1" is not a table or view
ALTER FOREIGN TABLE ft1 ALTER COLUMN c6 SET NOT NULL;
ALTER FOREIGN TABLE ft1 ALTER COLUMN c7 DROP NOT NULL;
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10) USING '0'; -- ERROR
ERROR:  "ft1" is not a table
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 TYPE char(10);
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 SET DATA TYPE text;
ALTER FOREIGN TABLE ft1 ALTER COLUMN xmin OPTIONS (ADD p1 'v1'); -- ERROR
ERROR:  cannot alter system column "xmin"
ALTER FOREIGN TABLE ft1 ALTER COLUMN c7 OPTIONS (ADD p1 'v1', ADD p2 'v2'),
                        ALTER COLUMN c8 OPTIONS (ADD p1 'v1', ADD p2 'v2');
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 OPTIONS (SET p2 'V2', DROP p1);
ALTER FOREIGN TABLE ft1 ALTER COLUMN c1 SET STATISTICS 10000;
ALTER FOREIGN TABLE ft1 ALTER COLUMN c1 SET (n_distinct = 100);
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 SET STATISTICS -1;
\d+ ft1
                                      Foreign table "public.ft1"
 Column |  Type   | Modifiers |          FDW Options           | Storage  | Stats target | Description 
--------+---------+-----------+--------------------------------+----------+--------------+-------------
 c1     | integer | not null  | ("param 1" 'val1')             | plain    | 10000        | 
 c2     | text    |           | (param2 'val2', param3 'val3') | extended |              | 
 c3     | date    |           |                                | plain    |              | 
 c4     | integer |           |                                | plain    |              | 
 c6     | integer | not null  |                                | plain    |              | 
 c7     | integer |           | (p1 'v1', p2 'v2')             | plain    |              | 
 c8     | text    |           | (p2 'V2')                      | extended |              | 
 c9     | integer |           |                                | plain    |              | 
 c10    | integer |           | (p1 'v1')                      | plain    |              | 
Server: s0
FDW Options: (delimiter ',', quote '"', "be quoted" 'value')
Has OIDs: no

-- can't change the column type if it's used elsewhere
CREATE TABLE use_ft1_column_type (x ft1);
ALTER FOREIGN TABLE ft1 ALTER COLUMN c8 SET DATA TYPE integer;	-- ERROR
ERROR:  cannot alter foreign table "ft1" because column "use_ft1_column_type.x" uses its row type
DROP TABLE use_ft1_column_type;
ALTER FOREIGN TABLE ft1 ADD CONSTRAINT ft1_c9_check CHECK (c9 < 0); -- ERROR
ERROR:  "ft1" is not a table
ALTER FOREIGN TABLE ft1 DROP CONSTRAINT no_const;               -- ERROR
ERROR:  "ft1" is not a table
ALTER FOREIGN TABLE ft1 DROP CONSTRAINT IF EXISTS no_const;
ERROR:  "ft1" is not a table
ALTER FOREIGN TABLE ft1 DROP CONSTRAINT ft1_c1_check;
ERROR:  "ft1" is not a table
ALTER FOREIGN TABLE ft1 SET WITH OIDS;                          -- ERROR
ERROR:  "ft1" is not a table
ALTER FOREIGN TABLE ft1 OWNER TO regress_test_role;
ALTER FOREIGN TABLE ft1 OPTIONS (DROP delimiter, SET quote '~', ADD escape '@');
ALTER FOREIGN TABLE ft1 DROP COLUMN no_column;                  -- ERROR
ERROR:  column "no_column" of relation "ft1" does not exist
ALTER FOREIGN TABLE ft1 DROP COLUMN IF EXISTS no_column;
NOTICE:  column "no_column" of relation "ft1" does not exist, skipping
ALTER FOREIGN TABLE ft1 DROP COLUMN c9;
ALTER FOREIGN TABLE ft1 SET SCHEMA foreign_schema;
ALTER FOREIGN TABLE ft1 SET TABLESPACE ts;                      -- ERROR
ERROR:  relation "ft1" does not exist
ALTER FOREIGN TABLE foreign_schema.ft1 RENAME c1 TO foreign_column_1;
ALTER FOREIGN TABLE foreign_schema.ft1 RENAME TO foreign_table_1;
\d foreign_schema.foreign_table_1
             Foreign table "foreign_schema.foreign_table_1"
      Column      |  Type   | Modifiers |          FDW Options           
------------------+---------+-----------+--------------------------------
 foreign_column_1 | integer | not null  | ("param 1" 'val1')
 c2               | text    |           | (param2 'val2', param3 'val3')
 c3               | date    |           | 
 c4               | integer |           | 
 c6               | integer | not null  | 
 c7               | integer |           | (p1 'v1', p2 'v2')
 c8               | text    |           | (p2 'V2')
 c10              | integer |           | (p1 'v1')
Server: s0
FDW Options: (quote '~', "be quoted" 'value', escape '@')

-- alter noexisting table
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD COLUMN c4 integer;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD COLUMN c6 integer;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD COLUMN c7 integer NOT NULL;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD COLUMN c8 integer;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD COLUMN c9 integer;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD COLUMN c10 integer OPTIONS (p1 'v1');
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ALTER COLUMN c6 SET NOT NULL;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ALTER COLUMN c7 DROP NOT NULL;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ALTER COLUMN c8 TYPE char(10);
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ALTER COLUMN c8 SET DATA TYPE text;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ALTER COLUMN c7 OPTIONS (ADD p1 'v1', ADD p2 'v2'),
                        ALTER COLUMN c8 OPTIONS (ADD p1 'v1', ADD p2 'v2');
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ALTER COLUMN c8 OPTIONS (SET p2 'V2', DROP p1);
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 DROP CONSTRAINT IF EXISTS no_const;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 DROP CONSTRAINT ft1_c1_check;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 OWNER TO regress_test_role;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 OPTIONS (DROP delimiter, SET quote '~', ADD escape '@');
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 DROP COLUMN IF EXISTS no_column;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 DROP COLUMN c9;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 SET SCHEMA foreign_schema;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 RENAME c1 TO foreign_column_1;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 RENAME TO foreign_table_1;
NOTICE:  relation "doesnt_exist_ft1" does not exist, skipping
-- Information schema
SELECT * FROM information_schema.foreign_data_wrappers ORDER BY 1, 2;
 foreign_data_wrapper_catalog | foreign_data_wrapper_name | authorization_identifier | library_name | foreign_data_wrapper_language 
------------------------------+---------------------------+--------------------------+--------------+-------------------------------
 regression                   | dummy                     | foreign_data_user        |              | c
 regression                   | foo                       | foreign_data_user        |              | c
 regression                   | postgresql                | foreign_data_user        |              | c
(3 rows)

SELECT * FROM information_schema.foreign_data_wrapper_options ORDER BY 1, 2, 3;
 foreign_data_wrapper_catalog | foreign_data_wrapper_name | option_name  | option_value 
------------------------------+---------------------------+--------------+--------------
 regression                   | foo                       | test wrapper | true
(1 row)

SELECT * FROM information_schema.foreign_servers ORDER BY 1, 2;
 foreign_server_catalog | foreign_server_name | foreign_data_wrapper_catalog | foreign_data_wrapper_name | foreign_server_type | foreign_server_version | authorization_identifier 
------------------------+---------------------+------------------------------+---------------------------+---------------------+------------------------+--------------------------
 regression             | s0                  | regression                   | dummy                     |                     |                        | foreign_data_user
 regression             | s4                  | regression                   | foo                       | oracle              |                        | foreign_data_user
 regression             | s5                  | regression                   | foo                       |                     | 15.0                   | regress_test_role
 regression             | s6                  | regression                   | foo                       |                     | 16.0                   | regress_test_indirect
 regression             | s8                  | regression                   | postgresql                |                     |                        | foreign_data_user
 regression             | t1                  | regression                   | foo                       |                     |                        | regress_test_indirect
 regression             | t2                  | regression                   | foo                       |                     |                        | regress_test_role
(7 rows)

SELECT * FROM information_schema.foreign_server_options ORDER BY 1, 2, 3;
 foreign_server_catalog | foreign_server_name |   option_name   | option_value 
------------------------+---------------------+-----------------+--------------
 regression             | s4                  | dbname          | b
 regression             | s4                  | host            | a
 regression             | s6                  | dbname          | b
 regression             | s6                  | host            | a
 regression             | s8                  | connect_timeout | 30
 regression             | s8                  | dbname          | db1
(6 rows)

SELECT * FROM information_schema.user_mappings ORDER BY lower(authorization_identifier), 2, 3;
 authorization_identifier | foreign_server_catalog | foreign_server_name 
--------------------------+------------------------+---------------------
 foreign_data_user        | regression             | s4
 foreign_data_user        | regression             | s8
 PUBLIC                   | regression             | s4
 PUBLIC                   | regression             | s8
 PUBLIC                   | regression             | t1
 regress_test_role        | regression             | s5
 regress_test_role        | regression             | s6
 regress_test_role        | regression             | t1
(8 rows)

SELECT * FROM information_schema.user_mapping_options ORDER BY lower(authorization_identifier), 2, 3, 4;
 authorization_identifier | foreign_server_catalog | foreign_server_name | option_name  | option_value 
--------------------------+------------------------+---------------------+--------------+--------------
 foreign_data_user        | regression             | s8                  | password     | public
 PUBLIC                   | regression             | s4                  | this mapping | is public
 PUBLIC                   | regression             | t1                  | modified     | 1
 regress_test_role        | regression             | s5                  | modified     | 1
 regress_test_role        | regression             | s6                  | username     | test
 regress_test_role        | regression             | t1                  | password     | boo
 regress_test_role        | regression             | t1                  | username     | bob
(7 rows)

SELECT * FROM information_schema.usage_privileges WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5;
      grantor      |        grantee        | object_catalog | object_schema | object_name |     object_type      | privilege_type | is_grantable 
-------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+--------------
 foreign_data_user | foreign_data_user     | regression     |               | foo         | FOREIGN DATA WRAPPER | USAGE          | YES
 foreign_data_user | foreign_data_user     | regression     |               | s6          | FOREIGN SERVER       | USAGE          | YES
 foreign_data_user | regress_test_indirect | regression     |               | foo         | FOREIGN DATA WRAPPER | USAGE          | NO
 foreign_data_user | regress_test_role2    | regression     |               | s6          | FOREIGN SERVER       | USAGE          | YES
(4 rows)

SELECT * FROM information_schema.role_usage_grants WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5;
      grantor      |        grantee        | object_catalog | object_schema | object_name |     object_type      | privilege_type | is_grantable 
-------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+--------------
 foreign_data_user | foreign_data_user     | regression     |               | foo         | FOREIGN DATA WRAPPER | USAGE          | YES
 foreign_data_user | foreign_data_user     | regression     |               | s6          | FOREIGN SERVER       | USAGE          | YES
 foreign_data_user | regress_test_indirect | regression     |               | foo         | FOREIGN DATA WRAPPER | USAGE          | NO
 foreign_data_user | regress_test_role2    | regression     |               | s6          | FOREIGN SERVER       | USAGE          | YES
(4 rows)

SELECT * FROM information_schema.foreign_tables ORDER BY 1, 2, 3;
 foreign_table_catalog | foreign_table_schema | foreign_table_name | foreign_server_catalog | foreign_server_name 
-----------------------+----------------------+--------------------+------------------------+---------------------
 regression            | foreign_schema       | foreign_table_1    | regression             | s0
(1 row)

SELECT * FROM information_schema.foreign_table_options ORDER BY 1, 2, 3, 4;
 foreign_table_catalog | foreign_table_schema | foreign_table_name | option_name | option_value 
-----------------------+----------------------+--------------------+-------------+--------------
 regression            | foreign_schema       | foreign_table_1    | be quoted   | value
 regression            | foreign_schema       | foreign_table_1    | escape      | @
 regression            | foreign_schema       | foreign_table_1    | quote       | ~
(3 rows)

SET ROLE regress_test_role;
SELECT * FROM information_schema.user_mapping_options ORDER BY 1, 2, 3, 4;
 authorization_identifier | foreign_server_catalog | foreign_server_name | option_name | option_value 
--------------------------+------------------------+---------------------+-------------+--------------
 PUBLIC                   | regression             | t1                  | modified    | 1
 regress_test_role        | regression             | s5                  | modified    | 1
 regress_test_role        | regression             | s6                  | username    | test
 regress_test_role        | regression             | t1                  | password    | boo
 regress_test_role        | regression             | t1                  | username    | bob
(5 rows)

SELECT * FROM information_schema.usage_privileges WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5;
      grantor      |        grantee        | object_catalog | object_schema | object_name |     object_type      | privilege_type | is_grantable 
-------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+--------------
 foreign_data_user | regress_test_indirect | regression     |               | foo         | FOREIGN DATA WRAPPER | USAGE          | NO
 foreign_data_user | regress_test_role2    | regression     |               | s6          | FOREIGN SERVER       | USAGE          | YES
(2 rows)

SELECT * FROM information_schema.role_usage_grants WHERE object_type LIKE 'FOREIGN%' AND object_name IN ('s6', 'foo') ORDER BY 1, 2, 3, 4, 5;
      grantor      |        grantee        | object_catalog | object_schema | object_name |     object_type      | privilege_type | is_grantable 
-------------------+-----------------------+----------------+---------------+-------------+----------------------+----------------+--------------
 foreign_data_user | regress_test_indirect | regression     |               | foo         | FOREIGN DATA WRAPPER | USAGE          | NO
 foreign_data_user | regress_test_role2    | regression     |               | s6          | FOREIGN SERVER       | USAGE          | YES
(2 rows)

DROP USER MAPPING FOR current_user SERVER t1;
SET ROLE regress_test_role2;
SELECT * FROM information_schema.user_mapping_options ORDER BY 1, 2, 3, 4;
 authorization_identifier | foreign_server_catalog | foreign_server_name | option_name | option_value 
--------------------------+------------------------+---------------------+-------------+--------------
 regress_test_role        | regression             | s6                  | username    | 
(1 row)

RESET ROLE;
-- has_foreign_data_wrapper_privilege
SELECT has_foreign_data_wrapper_privilege('regress_test_role',
    (SELECT oid FROM pg_foreign_data_wrapper WHERE fdwname='foo'), 'USAGE');
 has_foreign_data_wrapper_privilege 
------------------------------------
 t
(1 row)

SELECT has_foreign_data_wrapper_privilege('regress_test_role', 'foo', 'USAGE');
 has_foreign_data_wrapper_privilege 
------------------------------------
 t
(1 row)

SELECT has_foreign_data_wrapper_privilege(
    (SELECT oid FROM pg_roles WHERE rolname='regress_test_role'),
    (SELECT oid FROM pg_foreign_data_wrapper WHERE fdwname='foo'), 'USAGE');
 has_foreign_data_wrapper_privilege 
------------------------------------
 t
(1 row)

SELECT has_foreign_data_wrapper_privilege(
    (SELECT oid FROM pg_foreign_data_wrapper WHERE fdwname='foo'), 'USAGE');
 has_foreign_data_wrapper_privilege 
------------------------------------
 t
(1 row)

SELECT has_foreign_data_wrapper_privilege(
    (SELECT oid FROM pg_roles WHERE rolname='regress_test_role'), 'foo', 'USAGE');
 has_foreign_data_wrapper_privilege 
------------------------------------
 t
(1 row)

SELECT has_foreign_data_wrapper_privilege('foo', 'USAGE');
 has_foreign_data_wrapper_privilege 
------------------------------------
 t
(1 row)

GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_role;
SELECT has_foreign_data_wrapper_privilege('regress_test_role', 'foo', 'USAGE');
 has_foreign_data_wrapper_privilege 
------------------------------------
 t
(1 row)

-- has_server_privilege
SELECT has_server_privilege('regress_test_role',
    (SELECT oid FROM pg_foreign_server WHERE srvname='s8'), 'USAGE');
 has_server_privilege 
----------------------
 f
(1 row)

SELECT has_server_privilege('regress_test_role', 's8', 'USAGE');
 has_server_privilege 
----------------------
 f
(1 row)

SELECT has_server_privilege(
    (SELECT oid FROM pg_roles WHERE rolname='regress_test_role'),
    (SELECT oid FROM pg_foreign_server WHERE srvname='s8'), 'USAGE');
 has_server_privilege 
----------------------
 f
(1 row)

SELECT has_server_privilege(
    (SELECT oid FROM pg_foreign_server WHERE srvname='s8'), 'USAGE');
 has_server_privilege 
----------------------
 t
(1 row)

SELECT has_server_privilege(
    (SELECT oid FROM pg_roles WHERE rolname='regress_test_role'), 's8', 'USAGE');
 has_server_privilege 
----------------------
 f
(1 row)

SELECT has_server_privilege('s8', 'USAGE');
 has_server_privilege 
----------------------
 t
(1 row)

GRANT USAGE ON FOREIGN SERVER s8 TO regress_test_role;
SELECT has_server_privilege('regress_test_role', 's8', 'USAGE');
 has_server_privilege 
----------------------
 t
(1 row)

REVOKE USAGE ON FOREIGN SERVER s8 FROM regress_test_role;
GRANT USAGE ON FOREIGN SERVER s4 TO regress_test_role;
DROP USER MAPPING FOR public SERVER s4;
ALTER SERVER s6 OPTIONS (DROP host, DROP dbname);
ALTER USER MAPPING FOR regress_test_role SERVER s6 OPTIONS (DROP username);
ALTER FOREIGN DATA WRAPPER foo VALIDATOR postgresql_fdw_validator;
WARNING:  changing the foreign-data wrapper validator can cause the options for dependent objects to become invalid
-- Privileges
SET ROLE unprivileged_role;
CREATE FOREIGN DATA WRAPPER foobar;                             -- ERROR
ERROR:  permission denied to create foreign-data wrapper "foobar"
HINT:  Must be superuser to create a foreign-data wrapper.
ALTER FOREIGN DATA WRAPPER foo OPTIONS (gotcha 'true');         -- ERROR
ERROR:  permission denied to alter foreign-data wrapper "foo"
HINT:  Must be superuser to alter a foreign-data wrapper.
ALTER FOREIGN DATA WRAPPER foo OWNER TO unprivileged_role;      -- ERROR
ERROR:  permission denied to change owner of foreign-data wrapper "foo"
HINT:  Must be superuser to change owner of a foreign-data wrapper.
DROP FOREIGN DATA WRAPPER foo;                                  -- ERROR
ERROR:  must be owner of foreign-data wrapper foo
GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_role;   -- ERROR
ERROR:  permission denied for foreign-data wrapper foo
CREATE SERVER s9 FOREIGN DATA WRAPPER foo;                      -- ERROR
ERROR:  permission denied for foreign-data wrapper foo
ALTER SERVER s4 VERSION '0.5';                                  -- ERROR
ERROR:  must be owner of foreign server s4
ALTER SERVER s4 OWNER TO unprivileged_role;                     -- ERROR
ERROR:  must be owner of foreign server s4
DROP SERVER s4;                                                 -- ERROR
ERROR:  must be owner of foreign server s4
GRANT USAGE ON FOREIGN SERVER s4 TO regress_test_role;          -- ERROR
ERROR:  permission denied for foreign server s4
CREATE USER MAPPING FOR public SERVER s4;                       -- ERROR
ERROR:  must be owner of foreign server s4
ALTER USER MAPPING FOR regress_test_role SERVER s6 OPTIONS (gotcha 'true'); -- ERROR
ERROR:  must be owner of foreign server s6
DROP USER MAPPING FOR regress_test_role SERVER s6;              -- ERROR
ERROR:  must be owner of foreign server s6
RESET ROLE;
GRANT USAGE ON FOREIGN DATA WRAPPER postgresql TO unprivileged_role;
GRANT USAGE ON FOREIGN DATA WRAPPER foo TO unprivileged_role WITH GRANT OPTION;
SET ROLE unprivileged_role;
CREATE FOREIGN DATA WRAPPER foobar;                             -- ERROR
ERROR:  permission denied to create foreign-data wrapper "foobar"
HINT:  Must be superuser to create a foreign-data wrapper.
ALTER FOREIGN DATA WRAPPER foo OPTIONS (gotcha 'true');         -- ERROR
ERROR:  permission denied to alter foreign-data wrapper "foo"
HINT:  Must be superuser to alter a foreign-data wrapper.
DROP FOREIGN DATA WRAPPER foo;                                  -- ERROR
ERROR:  must be owner of foreign-data wrapper foo
GRANT USAGE ON FOREIGN DATA WRAPPER postgresql TO regress_test_role; -- WARNING
WARNING:  no privileges were granted for "postgresql"
GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_role;
CREATE SERVER s9 FOREIGN DATA WRAPPER postgresql;
ALTER SERVER s6 VERSION '0.5';                                  -- ERROR
ERROR:  must be owner of foreign server s6
DROP SERVER s6;                                                 -- ERROR
ERROR:  must be owner of foreign server s6
GRANT USAGE ON FOREIGN SERVER s6 TO regress_test_role;          -- ERROR
ERROR:  permission denied for foreign server s6
GRANT USAGE ON FOREIGN SERVER s9 TO regress_test_role;
CREATE USER MAPPING FOR public SERVER s6;                       -- ERROR
ERROR:  must be owner of foreign server s6
CREATE USER MAPPING FOR public SERVER s9;
ALTER USER MAPPING FOR regress_test_role SERVER s6 OPTIONS (gotcha 'true'); -- ERROR
ERROR:  must be owner of foreign server s6
DROP USER MAPPING FOR regress_test_role SERVER s6;              -- ERROR
ERROR:  must be owner of foreign server s6
RESET ROLE;
REVOKE USAGE ON FOREIGN DATA WRAPPER foo FROM unprivileged_role; -- ERROR
ERROR:  dependent privileges exist
HINT:  Use CASCADE to revoke them too.
REVOKE USAGE ON FOREIGN DATA WRAPPER foo FROM unprivileged_role CASCADE;
SET ROLE unprivileged_role;
GRANT USAGE ON FOREIGN DATA WRAPPER foo TO regress_test_role;   -- ERROR
ERROR:  permission denied for foreign-data wrapper foo
CREATE SERVER s10 FOREIGN DATA WRAPPER foo;                     -- ERROR
ERROR:  permission denied for foreign-data wrapper foo
ALTER SERVER s9 VERSION '1.1';
GRANT USAGE ON FOREIGN SERVER s9 TO regress_test_role;
CREATE USER MAPPING FOR current_user SERVER s9;
DROP SERVER s9 CASCADE;
NOTICE:  drop cascades to 2 other objects
DETAIL:  drop cascades to user mapping for public
drop cascades to user mapping for unprivileged_role
RESET ROLE;
CREATE SERVER s9 FOREIGN DATA WRAPPER foo;
GRANT USAGE ON FOREIGN SERVER s9 TO unprivileged_role;
SET ROLE unprivileged_role;
ALTER SERVER s9 VERSION '1.2';                                  -- ERROR
ERROR:  must be owner of foreign server s9
GRANT USAGE ON FOREIGN SERVER s9 TO regress_test_role;          -- WARNING
WARNING:  no privileges were granted for "s9"
CREATE USER MAPPING FOR current_user SERVER s9;
DROP SERVER s9 CASCADE;                                         -- ERROR
ERROR:  must be owner of foreign server s9
RESET ROLE;
-- DROP FOREIGN TABLE
DROP FOREIGN TABLE no_table;                                    -- ERROR
ERROR:  foreign table "no_table" does not exist
DROP FOREIGN TABLE IF EXISTS no_table;
NOTICE:  foreign table "no_table" does not exist, skipping
DROP FOREIGN TABLE foreign_schema.foreign_table_1;
-- Cleanup
DROP SCHEMA foreign_schema CASCADE;
DROP ROLE regress_test_role;                                -- ERROR
ERROR:  role "regress_test_role" cannot be dropped because some objects depend on it
DETAIL:  privileges for server s4
privileges for foreign-data wrapper foo
owner of user mapping for regress_test_role
owner of user mapping for regress_test_role
owner of server s5
owner of server t2
DROP SERVER s5 CASCADE;
NOTICE:  drop cascades to user mapping for regress_test_role
DROP SERVER t1 CASCADE;
NOTICE:  drop cascades to user mapping for public
DROP SERVER t2;
DROP USER MAPPING FOR regress_test_role SERVER s6;
-- This test causes some order dependent cascade detail output,
-- so switch to terse mode for it. 
\set VERBOSITY terse
DROP FOREIGN DATA WRAPPER foo CASCADE;
NOTICE:  drop cascades to 5 other objects
\set VERBOSITY default
DROP SERVER s8 CASCADE;
NOTICE:  drop cascades to 2 other objects
DETAIL:  drop cascades to user mapping for foreign_data_user
drop cascades to user mapping for public
DROP ROLE regress_test_indirect;
DROP ROLE regress_test_role;
DROP ROLE unprivileged_role;                                -- ERROR
ERROR:  role "unprivileged_role" cannot be dropped because some objects depend on it
DETAIL:  privileges for foreign-data wrapper postgresql
REVOKE ALL ON FOREIGN DATA WRAPPER postgresql FROM unprivileged_role;
DROP ROLE unprivileged_role;
DROP ROLE regress_test_role2;
DROP FOREIGN DATA WRAPPER postgresql CASCADE;
DROP FOREIGN DATA WRAPPER dummy CASCADE;
NOTICE:  drop cascades to server s0
\c
DROP ROLE foreign_data_user;
-- At this point we should have no wrappers, no servers, and no mappings.
SELECT fdwname, fdwhandler, fdwvalidator, fdwoptions FROM pg_foreign_data_wrapper;
 fdwname | fdwhandler | fdwvalidator | fdwoptions 
---------+------------+--------------+------------
(0 rows)

SELECT srvname, srvoptions FROM pg_foreign_server;
 srvname | srvoptions 
---------+------------
(0 rows)

SELECT * FROM pg_user_mapping;
 umuser | umserver | umoptions 
--------+----------+-----------
(0 rows)

