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postgresql/contrib/dblink/expected/dblink.out
Robert Haas d7c734841b Reduce messages about implicit indexes and sequences to DEBUG1. 
Per recent discussion on pgsql-hackers, these messages are too
chatty for most users.
2012-07-04 20:35:29 -04:00

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CREATE EXTENSION dblink;
CREATE TABLE foo(f1 int, f2 text, f3 text[], primary key (f1,f2));
INSERT INTO foo VALUES (0,'a','{"a0","b0","c0"}');
INSERT INTO foo VALUES (1,'b','{"a1","b1","c1"}');
INSERT INTO foo VALUES (2,'c','{"a2","b2","c2"}');
INSERT INTO foo VALUES (3,'d','{"a3","b3","c3"}');
INSERT INTO foo VALUES (4,'e','{"a4","b4","c4"}');
INSERT INTO foo VALUES (5,'f','{"a5","b5","c5"}');
INSERT INTO foo VALUES (6,'g','{"a6","b6","c6"}');
INSERT INTO foo VALUES (7,'h','{"a7","b7","c7"}');
INSERT INTO foo VALUES (8,'i','{"a8","b8","c8"}');
INSERT INTO foo VALUES (9,'j','{"a9","b9","c9"}');
-- misc utilities
-- list the primary key fields
SELECT *
FROM dblink_get_pkey('foo');
position | colname
----------+---------
1 | f1
2 | f2
(2 rows)
-- build an insert statement based on a local tuple,
-- replacing the primary key values with new ones
SELECT dblink_build_sql_insert('foo','1 2',2,'{"0", "a"}','{"99", "xyz"}');
dblink_build_sql_insert
-----------------------------------------------------------
INSERT INTO foo(f1,f2,f3) VALUES('99','xyz','{a0,b0,c0}')
(1 row)
-- too many pk fields, should fail
SELECT dblink_build_sql_insert('foo','1 2 3 4',4,'{"0", "a", "{a0,b0,c0}"}','{"99", "xyz", "{za0,zb0,zc0}"}');
ERROR: invalid attribute number 4
-- build an update statement based on a local tuple,
-- replacing the primary key values with new ones
SELECT dblink_build_sql_update('foo','1 2',2,'{"0", "a"}','{"99", "xyz"}');
dblink_build_sql_update
----------------------------------------------------------------------------------------
UPDATE foo SET f1 = '99', f2 = 'xyz', f3 = '{a0,b0,c0}' WHERE f1 = '99' AND f2 = 'xyz'
(1 row)
-- too many pk fields, should fail
SELECT dblink_build_sql_update('foo','1 2 3 4',4,'{"0", "a", "{a0,b0,c0}"}','{"99", "xyz", "{za0,zb0,zc0}"}');
ERROR: invalid attribute number 4
-- build a delete statement based on a local tuple,
SELECT dblink_build_sql_delete('foo','1 2',2,'{"0", "a"}');
dblink_build_sql_delete
---------------------------------------------
DELETE FROM foo WHERE f1 = '0' AND f2 = 'a'
(1 row)
-- too many pk fields, should fail
SELECT dblink_build_sql_delete('foo','1 2 3 4',4,'{"0", "a", "{a0,b0,c0}"}');
ERROR: invalid attribute number 4
-- retest using a quoted and schema qualified table
CREATE SCHEMA "MySchema";
CREATE TABLE "MySchema"."Foo"(f1 int, f2 text, f3 text[], primary key (f1,f2));
INSERT INTO "MySchema"."Foo" VALUES (0,'a','{"a0","b0","c0"}');
-- list the primary key fields
SELECT *
FROM dblink_get_pkey('"MySchema"."Foo"');
position | colname
----------+---------
1 | f1
2 | f2
(2 rows)
-- build an insert statement based on a local tuple,
-- replacing the primary key values with new ones
SELECT dblink_build_sql_insert('"MySchema"."Foo"','1 2',2,'{"0", "a"}','{"99", "xyz"}');
dblink_build_sql_insert
------------------------------------------------------------------------
INSERT INTO "MySchema"."Foo"(f1,f2,f3) VALUES('99','xyz','{a0,b0,c0}')
(1 row)
-- build an update statement based on a local tuple,
-- replacing the primary key values with new ones
SELECT dblink_build_sql_update('"MySchema"."Foo"','1 2',2,'{"0", "a"}','{"99", "xyz"}');
dblink_build_sql_update
-----------------------------------------------------------------------------------------------------
UPDATE "MySchema"."Foo" SET f1 = '99', f2 = 'xyz', f3 = '{a0,b0,c0}' WHERE f1 = '99' AND f2 = 'xyz'
(1 row)
-- build a delete statement based on a local tuple,
SELECT dblink_build_sql_delete('"MySchema"."Foo"','1 2',2,'{"0", "a"}');
dblink_build_sql_delete
----------------------------------------------------------
DELETE FROM "MySchema"."Foo" WHERE f1 = '0' AND f2 = 'a'
(1 row)
-- regular old dblink
SELECT *
FROM dblink('dbname=contrib_regression','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
a | b | c
---+---+------------
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
(2 rows)
-- should generate "connection not available" error
SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
ERROR: connection not available
-- create a persistent connection
SELECT dblink_connect('dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
-- use the persistent connection
SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
a | b | c
---+---+------------
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
(2 rows)
-- open a cursor with bad SQL and fail_on_error set to false
SELECT dblink_open('rmt_foo_cursor','SELECT * FROM foobar',false);
NOTICE: relation "foobar" does not exist
CONTEXT: Error occurred on dblink connection named "unnamed": could not open cursor.
dblink_open
-------------
ERROR
(1 row)
-- reset remote transaction state
SELECT dblink_exec('ABORT');
dblink_exec
-------------
ROLLBACK
(1 row)
-- open a cursor
SELECT dblink_open('rmt_foo_cursor','SELECT * FROM foo');
dblink_open
-------------
OK
(1 row)
-- close the cursor
SELECT dblink_close('rmt_foo_cursor',false);
dblink_close
--------------
OK
(1 row)
-- open the cursor again
SELECT dblink_open('rmt_foo_cursor','SELECT * FROM foo');
dblink_open
-------------
OK
(1 row)
-- fetch some data
SELECT *
FROM dblink_fetch('rmt_foo_cursor',4) AS t(a int, b text, c text[]);
a | b | c
---+---+------------
0 | a | {a0,b0,c0}
1 | b | {a1,b1,c1}
2 | c | {a2,b2,c2}
3 | d | {a3,b3,c3}
(4 rows)
SELECT *
FROM dblink_fetch('rmt_foo_cursor',4) AS t(a int, b text, c text[]);
a | b | c
---+---+------------
4 | e | {a4,b4,c4}
5 | f | {a5,b5,c5}
6 | g | {a6,b6,c6}
7 | h | {a7,b7,c7}
(4 rows)
-- this one only finds two rows left
SELECT *
FROM dblink_fetch('rmt_foo_cursor',4) AS t(a int, b text, c text[]);
a | b | c
---+---+------------
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
(2 rows)
-- intentionally botch a fetch
SELECT *
FROM dblink_fetch('rmt_foobar_cursor',4,false) AS t(a int, b text, c text[]);
NOTICE: cursor "rmt_foobar_cursor" does not exist
CONTEXT: Error occurred on dblink connection named "unnamed": could not fetch from cursor.
a | b | c
---+---+---
(0 rows)
-- reset remote transaction state
SELECT dblink_exec('ABORT');
dblink_exec
-------------
ROLLBACK
(1 row)
-- close the wrong cursor
SELECT dblink_close('rmt_foobar_cursor',false);
NOTICE: cursor "rmt_foobar_cursor" does not exist
CONTEXT: Error occurred on dblink connection named "unnamed": could not close cursor.
dblink_close
--------------
ERROR
(1 row)
-- should generate 'cursor "rmt_foo_cursor" not found' error
SELECT *
FROM dblink_fetch('rmt_foo_cursor',4) AS t(a int, b text, c text[]);
ERROR: cursor "rmt_foo_cursor" does not exist
CONTEXT: Error occurred on dblink connection named "unnamed": could not fetch from cursor.
-- this time, 'cursor "rmt_foo_cursor" not found' as a notice
SELECT *
FROM dblink_fetch('rmt_foo_cursor',4,false) AS t(a int, b text, c text[]);
NOTICE: cursor "rmt_foo_cursor" does not exist
CONTEXT: Error occurred on dblink connection named "unnamed": could not fetch from cursor.
a | b | c
---+---+---
(0 rows)
-- close the persistent connection
SELECT dblink_disconnect();
dblink_disconnect
-------------------
OK
(1 row)
-- should generate "connection not available" error
SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
ERROR: connection not available
-- put more data into our slave table, first using arbitrary connection syntax
-- but truncate the actual return value so we can use diff to check for success
SELECT substr(dblink_exec('dbname=contrib_regression','INSERT INTO foo VALUES(10,''k'',''{"a10","b10","c10"}'')'),1,6);
substr
--------
INSERT
(1 row)
-- create a persistent connection
SELECT dblink_connect('dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
-- put more data into our slave table, using persistent connection syntax
-- but truncate the actual return value so we can use diff to check for success
SELECT substr(dblink_exec('INSERT INTO foo VALUES(11,''l'',''{"a11","b11","c11"}'')'),1,6);
substr
--------
INSERT
(1 row)
-- let's see it
SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]);
a | b | c
----+---+---------------
0 | a | {a0,b0,c0}
1 | b | {a1,b1,c1}
2 | c | {a2,b2,c2}
3 | d | {a3,b3,c3}
4 | e | {a4,b4,c4}
5 | f | {a5,b5,c5}
6 | g | {a6,b6,c6}
7 | h | {a7,b7,c7}
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
10 | k | {a10,b10,c10}
11 | l | {a11,b11,c11}
(12 rows)
-- bad remote select
SELECT *
FROM dblink('SELECT * FROM foobar',false) AS t(a int, b text, c text[]);
NOTICE: relation "foobar" does not exist
CONTEXT: Error occurred on dblink connection named "unnamed": could not execute query.
a | b | c
---+---+---
(0 rows)
-- change some data
SELECT dblink_exec('UPDATE foo SET f3[2] = ''b99'' WHERE f1 = 11');
dblink_exec
-------------
UPDATE 1
(1 row)
-- let's see it
SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE a = 11;
a | b | c
----+---+---------------
11 | l | {a11,b99,c11}
(1 row)
-- botch a change to some other data
SELECT dblink_exec('UPDATE foobar SET f3[2] = ''b99'' WHERE f1 = 11',false);
NOTICE: relation "foobar" does not exist
CONTEXT: Error occurred on dblink connection named "unnamed": could not execute command.
dblink_exec
-------------
ERROR
(1 row)
-- delete some data
SELECT dblink_exec('DELETE FROM foo WHERE f1 = 11');
dblink_exec
-------------
DELETE 1
(1 row)
-- let's see it
SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE a = 11;
a | b | c
---+---+---
(0 rows)
-- close the persistent connection
SELECT dblink_disconnect();
dblink_disconnect
-------------------
OK
(1 row)
--
-- tests for the new named persistent connection syntax
--
-- should generate "missing "=" after "myconn" in connection info string" error
SELECT *
FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
ERROR: could not establish connection
DETAIL: missing "=" after "myconn" in connection info string
-- create a named persistent connection
SELECT dblink_connect('myconn','dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
-- use the named persistent connection
SELECT *
FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
a | b | c
----+---+---------------
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
10 | k | {a10,b10,c10}
(3 rows)
-- use the named persistent connection, but get it wrong
SELECT *
FROM dblink('myconn','SELECT * FROM foobar',false) AS t(a int, b text, c text[])
WHERE t.a > 7;
NOTICE: relation "foobar" does not exist
CONTEXT: Error occurred on dblink connection named "myconn": could not execute query.
a | b | c
---+---+---
(0 rows)
-- create a second named persistent connection
-- should error with "duplicate connection name"
SELECT dblink_connect('myconn','dbname=contrib_regression');
ERROR: duplicate connection name
-- create a second named persistent connection with a new name
SELECT dblink_connect('myconn2','dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
-- use the second named persistent connection
SELECT *
FROM dblink('myconn2','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
a | b | c
----+---+---------------
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
10 | k | {a10,b10,c10}
(3 rows)
-- close the second named persistent connection
SELECT dblink_disconnect('myconn2');
dblink_disconnect
-------------------
OK
(1 row)
-- open a cursor incorrectly
SELECT dblink_open('myconn','rmt_foo_cursor','SELECT * FROM foobar',false);
NOTICE: relation "foobar" does not exist
CONTEXT: Error occurred on dblink connection named "myconn": could not open cursor.
dblink_open
-------------
ERROR
(1 row)
-- reset remote transaction state
SELECT dblink_exec('myconn','ABORT');
dblink_exec
-------------
ROLLBACK
(1 row)
-- test opening cursor in a transaction
SELECT dblink_exec('myconn','BEGIN');
dblink_exec
-------------
BEGIN
(1 row)
-- an open transaction will prevent dblink_open() from opening its own
SELECT dblink_open('myconn','rmt_foo_cursor','SELECT * FROM foo');
dblink_open
-------------
OK
(1 row)
-- this should not commit the transaction because the client opened it
SELECT dblink_close('myconn','rmt_foo_cursor');
dblink_close
--------------
OK
(1 row)
-- this should succeed because we have an open transaction
SELECT dblink_exec('myconn','DECLARE xact_test CURSOR FOR SELECT * FROM foo');
dblink_exec
----------------
DECLARE CURSOR
(1 row)
-- commit remote transaction
SELECT dblink_exec('myconn','COMMIT');
dblink_exec
-------------
COMMIT
(1 row)
-- test automatic transactions for multiple cursor opens
SELECT dblink_open('myconn','rmt_foo_cursor','SELECT * FROM foo');
dblink_open
-------------
OK
(1 row)
-- the second cursor
SELECT dblink_open('myconn','rmt_foo_cursor2','SELECT * FROM foo');
dblink_open
-------------
OK
(1 row)
-- this should not commit the transaction
SELECT dblink_close('myconn','rmt_foo_cursor2');
dblink_close
--------------
OK
(1 row)
-- this should succeed because we have an open transaction
SELECT dblink_exec('myconn','DECLARE xact_test CURSOR FOR SELECT * FROM foo');
dblink_exec
----------------
DECLARE CURSOR
(1 row)
-- this should commit the transaction
SELECT dblink_close('myconn','rmt_foo_cursor');
dblink_close
--------------
OK
(1 row)
-- this should fail because there is no open transaction
SELECT dblink_exec('myconn','DECLARE xact_test CURSOR FOR SELECT * FROM foo');
ERROR: DECLARE CURSOR can only be used in transaction blocks
CONTEXT: Error occurred on dblink connection named "myconn": could not execute command.
-- reset remote transaction state
SELECT dblink_exec('myconn','ABORT');
dblink_exec
-------------
ROLLBACK
(1 row)
-- open a cursor
SELECT dblink_open('myconn','rmt_foo_cursor','SELECT * FROM foo');
dblink_open
-------------
OK
(1 row)
-- fetch some data
SELECT *
FROM dblink_fetch('myconn','rmt_foo_cursor',4) AS t(a int, b text, c text[]);
a | b | c
---+---+------------
0 | a | {a0,b0,c0}
1 | b | {a1,b1,c1}
2 | c | {a2,b2,c2}
3 | d | {a3,b3,c3}
(4 rows)
SELECT *
FROM dblink_fetch('myconn','rmt_foo_cursor',4) AS t(a int, b text, c text[]);
a | b | c
---+---+------------
4 | e | {a4,b4,c4}
5 | f | {a5,b5,c5}
6 | g | {a6,b6,c6}
7 | h | {a7,b7,c7}
(4 rows)
-- this one only finds three rows left
SELECT *
FROM dblink_fetch('myconn','rmt_foo_cursor',4) AS t(a int, b text, c text[]);
a | b | c
----+---+---------------
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
10 | k | {a10,b10,c10}
(3 rows)
-- fetch some data incorrectly
SELECT *
FROM dblink_fetch('myconn','rmt_foobar_cursor',4,false) AS t(a int, b text, c text[]);
NOTICE: cursor "rmt_foobar_cursor" does not exist
CONTEXT: Error occurred on dblink connection named "myconn": could not fetch from cursor.
a | b | c
---+---+---
(0 rows)
-- reset remote transaction state
SELECT dblink_exec('myconn','ABORT');
dblink_exec
-------------
ROLLBACK
(1 row)
-- should generate 'cursor "rmt_foo_cursor" not found' error
SELECT *
FROM dblink_fetch('myconn','rmt_foo_cursor',4) AS t(a int, b text, c text[]);
ERROR: cursor "rmt_foo_cursor" does not exist
CONTEXT: Error occurred on dblink connection named "myconn": could not fetch from cursor.
-- close the named persistent connection
SELECT dblink_disconnect('myconn');
dblink_disconnect
-------------------
OK
(1 row)
-- should generate "missing "=" after "myconn" in connection info string" error
SELECT *
FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
ERROR: could not establish connection
DETAIL: missing "=" after "myconn" in connection info string
-- create a named persistent connection
SELECT dblink_connect('myconn','dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
-- put more data into our slave table, using named persistent connection syntax
-- but truncate the actual return value so we can use diff to check for success
SELECT substr(dblink_exec('myconn','INSERT INTO foo VALUES(11,''l'',''{"a11","b11","c11"}'')'),1,6);
substr
--------
INSERT
(1 row)
-- let's see it
SELECT *
FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[]);
a | b | c
----+---+---------------
0 | a | {a0,b0,c0}
1 | b | {a1,b1,c1}
2 | c | {a2,b2,c2}
3 | d | {a3,b3,c3}
4 | e | {a4,b4,c4}
5 | f | {a5,b5,c5}
6 | g | {a6,b6,c6}
7 | h | {a7,b7,c7}
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
10 | k | {a10,b10,c10}
11 | l | {a11,b11,c11}
(12 rows)
-- change some data
SELECT dblink_exec('myconn','UPDATE foo SET f3[2] = ''b99'' WHERE f1 = 11');
dblink_exec
-------------
UPDATE 1
(1 row)
-- let's see it
SELECT *
FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE a = 11;
a | b | c
----+---+---------------
11 | l | {a11,b99,c11}
(1 row)
-- delete some data
SELECT dblink_exec('myconn','DELETE FROM foo WHERE f1 = 11');
dblink_exec
-------------
DELETE 1
(1 row)
-- let's see it
SELECT *
FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE a = 11;
a | b | c
---+---+---
(0 rows)
-- close the named persistent connection
SELECT dblink_disconnect('myconn');
dblink_disconnect
-------------------
OK
(1 row)
-- close the named persistent connection again
-- should get 'connection "myconn" not available' error
SELECT dblink_disconnect('myconn');
ERROR: connection "myconn" not available
-- test asynchronous queries
SELECT dblink_connect('dtest1', 'dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
SELECT * from
dblink_send_query('dtest1', 'select * from foo where f1 < 3') as t1;
t1
----
1
(1 row)
SELECT dblink_connect('dtest2', 'dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
SELECT * from
dblink_send_query('dtest2', 'select * from foo where f1 > 2 and f1 < 7') as t1;
t1
----
1
(1 row)
SELECT dblink_connect('dtest3', 'dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
SELECT * from
dblink_send_query('dtest3', 'select * from foo where f1 > 6') as t1;
t1
----
1
(1 row)
CREATE TEMPORARY TABLE result AS
(SELECT * from dblink_get_result('dtest1') as t1(f1 int, f2 text, f3 text[]))
UNION
(SELECT * from dblink_get_result('dtest2') as t2(f1 int, f2 text, f3 text[]))
UNION
(SELECT * from dblink_get_result('dtest3') as t3(f1 int, f2 text, f3 text[]))
ORDER by f1;
-- dblink_get_connections returns an array with elements in a machine-dependent
-- ordering, so we must resort to unnesting and sorting for a stable result
create function unnest(anyarray) returns setof anyelement
language sql strict immutable as $$
select $1[i] from generate_series(array_lower($1,1), array_upper($1,1)) as i
$$;
SELECT * FROM unnest(dblink_get_connections()) ORDER BY 1;
unnest
--------
dtest1
dtest2
dtest3
(3 rows)
SELECT dblink_is_busy('dtest1');
dblink_is_busy
----------------
0
(1 row)
SELECT dblink_disconnect('dtest1');
dblink_disconnect
-------------------
OK
(1 row)
SELECT dblink_disconnect('dtest2');
dblink_disconnect
-------------------
OK
(1 row)
SELECT dblink_disconnect('dtest3');
dblink_disconnect
-------------------
OK
(1 row)
SELECT * from result;
f1 | f2 | f3
----+----+---------------
0 | a | {a0,b0,c0}
1 | b | {a1,b1,c1}
2 | c | {a2,b2,c2}
3 | d | {a3,b3,c3}
4 | e | {a4,b4,c4}
5 | f | {a5,b5,c5}
6 | g | {a6,b6,c6}
7 | h | {a7,b7,c7}
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
10 | k | {a10,b10,c10}
(11 rows)
SELECT dblink_connect('dtest1', 'dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
SELECT * from
dblink_send_query('dtest1', 'select * from foo where f1 < 3') as t1;
t1
----
1
(1 row)
SELECT dblink_cancel_query('dtest1');
dblink_cancel_query
---------------------
OK
(1 row)
SELECT dblink_error_message('dtest1');
dblink_error_message
----------------------
OK
(1 row)
SELECT dblink_disconnect('dtest1');
dblink_disconnect
-------------------
OK
(1 row)
-- test foreign data wrapper functionality
CREATE USER dblink_regression_test;
CREATE FOREIGN DATA WRAPPER postgresql;
CREATE SERVER fdtest FOREIGN DATA WRAPPER postgresql OPTIONS (dbname 'contrib_regression');
CREATE USER MAPPING FOR public SERVER fdtest;
GRANT USAGE ON FOREIGN SERVER fdtest TO dblink_regression_test;
GRANT EXECUTE ON FUNCTION dblink_connect_u(text, text) TO dblink_regression_test;
\set ORIGINAL_USER :USER
\c - dblink_regression_test
-- should fail
SELECT dblink_connect('myconn', 'fdtest');
ERROR: password is required
DETAIL: Non-superusers must provide a password in the connection string.
-- should succeed
SELECT dblink_connect_u('myconn', 'fdtest');
dblink_connect_u
------------------
OK
(1 row)
SELECT * FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[]);
a | b | c
----+---+---------------
0 | a | {a0,b0,c0}
1 | b | {a1,b1,c1}
2 | c | {a2,b2,c2}
3 | d | {a3,b3,c3}
4 | e | {a4,b4,c4}
5 | f | {a5,b5,c5}
6 | g | {a6,b6,c6}
7 | h | {a7,b7,c7}
8 | i | {a8,b8,c8}
9 | j | {a9,b9,c9}
10 | k | {a10,b10,c10}
(11 rows)
\c - :ORIGINAL_USER
REVOKE USAGE ON FOREIGN SERVER fdtest FROM dblink_regression_test;
REVOKE EXECUTE ON FUNCTION dblink_connect_u(text, text) FROM dblink_regression_test;
DROP USER dblink_regression_test;
DROP USER MAPPING FOR public SERVER fdtest;
DROP SERVER fdtest;
DROP FOREIGN DATA WRAPPER postgresql;
-- test asynchronous notifications
SELECT dblink_connect('dbname=contrib_regression');
dblink_connect
----------------
OK
(1 row)
--should return listen
SELECT dblink_exec('LISTEN regression');
dblink_exec
-------------
LISTEN
(1 row)
--should return listen
SELECT dblink_exec('LISTEN foobar');
dblink_exec
-------------
LISTEN
(1 row)
SELECT dblink_exec('NOTIFY regression');
dblink_exec
-------------
NOTIFY
(1 row)
SELECT dblink_exec('NOTIFY foobar');
dblink_exec
-------------
NOTIFY
(1 row)
SELECT notify_name, be_pid = (select t.be_pid from dblink('select pg_backend_pid()') as t(be_pid int)) AS is_self_notify, extra from dblink_get_notify();
notify_name | is_self_notify | extra
-------------+----------------+-------
regression | t |
foobar | t |
(2 rows)
SELECT * from dblink_get_notify();
notify_name | be_pid | extra
-------------+--------+-------
(0 rows)
SELECT dblink_disconnect();
dblink_disconnect
-------------------
OK
(1 row)
-- test dropped columns in dblink_build_sql_insert, dblink_build_sql_update
CREATE TEMP TABLE test_dropped
(
col1 INT NOT NULL DEFAULT 111,
id SERIAL PRIMARY KEY,
col2 INT NOT NULL DEFAULT 112,
col2b INT NOT NULL DEFAULT 113
);
INSERT INTO test_dropped VALUES(default);
ALTER TABLE test_dropped
DROP COLUMN col1,
DROP COLUMN col2,
ADD COLUMN col3 VARCHAR(10) NOT NULL DEFAULT 'foo',
ADD COLUMN col4 INT NOT NULL DEFAULT 42;
SELECT dblink_build_sql_insert('test_dropped', '1', 1,
ARRAY['1'::TEXT], ARRAY['2'::TEXT]);
dblink_build_sql_insert
---------------------------------------------------------------------------
INSERT INTO test_dropped(id,col2b,col3,col4) VALUES('2','113','foo','42')
(1 row)
SELECT dblink_build_sql_update('test_dropped', '1', 1,
ARRAY['1'::TEXT], ARRAY['2'::TEXT]);
dblink_build_sql_update
-------------------------------------------------------------------------------------------
UPDATE test_dropped SET id = '2', col2b = '113', col3 = 'foo', col4 = '42' WHERE id = '2'
(1 row)
SELECT dblink_build_sql_delete('test_dropped', '1', 1,
ARRAY['2'::TEXT]);
dblink_build_sql_delete
-----------------------------------------
DELETE FROM test_dropped WHERE id = '2'
(1 row)
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