Skip to content

P
Postgres FD Implementation
Commit bfccacf3 authored by Tom Lane's avatar Tom Lane
Browse files
Options

Fix dblink regression test so that it works when repeated: don't 

create a second database, just loop back to 'regression'.  Patch
from Joe Conway 10/22/02.
parent 659df79e
Hide whitespace changes
Inline Side-by-side
Showing with 21 additions and 81 deletions
contrib/dblink/expected/dblink.out
View file @ bfccacf3
-- Adjust this setting to control where the objects get created.
SET search_path = public;
--
-- First, create a slave database and define the functions and test data
-- Define the functions and test data
-- therein.
--
-- This initial hackery is to allow successive runs without failures.
--
-- Adjust this setting to control where the objects get created.
SET search_path = public;
CREATE OR REPLACE FUNCTION conditional_drop()
RETURNS text AS '
DECLARE
dbname text;
BEGIN
SELECT INTO dbname datname FROM pg_database WHERE datname = ''regression_slave'';
IF FOUND THEN
DROP DATABASE regression_slave;
END IF;
RETURN ''OK'';
END;
' LANGUAGE 'plpgsql';
SELECT conditional_drop();
conditional_drop
------------------
OK
(1 row)
CREATE DATABASE regression_slave;
\connect regression_slave
-- Turn off echoing so that expected file does not depend on
-- contents of dblink.sql.
\set ECHO none
......@@ -81,16 +59,9 @@ SELECT dblink_build_sql_delete('foo','1 2',2,'{"0", "a"}');
DELETE FROM foo WHERE f1 = '0' AND f2 = 'a'
(1 row)
--
-- Connect back to the regression database and define the functions.
-- Turn off echoing so that expected file does not depend on
-- contents of dblink.sql.
--
\connect regression
\set ECHO none
-- regular old dblink
SELECT *
FROM dblink('dbname=regression_slave','SELECT * FROM foo') AS t(a int, b text, c text[])
FROM dblink('dbname=regression','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
a | b | c
---+---+------------
......@@ -104,7 +75,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
ERROR: dblink: no connection available
-- create a persistent connection
SELECT dblink_connect('dbname=regression_slave');
SELECT dblink_connect('dbname=regression');
dblink_connect
----------------
OK
......@@ -182,14 +153,14 @@ WHERE t.a > 7;
ERROR: dblink: no connection 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=regression_slave','SET autocommit TO ''on'';INSERT INTO foo VALUES (10,''k'',''{"a10","b10","c10"}'')'),1,6);
SELECT substr(dblink_exec('dbname=regression','SET autocommit TO ''on'';INSERT INTO foo VALUES(10,''k'',''{"a10","b10","c10"}'')'),1,6);
substr
--------
INSERT
(1 row)
-- create a persistent connection
SELECT dblink_connect('dbname=regression_slave');
SELECT dblink_connect('dbname=regression');
dblink_connect
----------------
OK
......@@ -197,7 +168,7 @@ SELECT dblink_connect('dbname=regression_slave');
-- 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);
SELECT substr(dblink_exec('SET autocommit TO ''on'';INSERT INTO foo VALUES(11,''l'',''{"a11","b11","c11"}'')'),1,6);
substr
--------
INSERT
......@@ -223,7 +194,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]);
(12 rows)
-- change some data
SELECT dblink_exec('UPDATE foo SET f3[2] = ''b99'' WHERE f1 = 11');
SELECT dblink_exec('SET autocommit TO ''on'';UPDATE foo SET f3[2] = ''b99'' WHERE f1 = 11');
dblink_exec
-------------
UPDATE 1
......@@ -239,7 +210,7 @@ WHERE a = 11;
(1 row)
-- delete some data
SELECT dblink_exec('DELETE FROM foo WHERE f1 = 11');
SELECT dblink_exec('SET autocommit TO ''on'';DELETE FROM foo WHERE f1 = 11');
dblink_exec
-------------
DELETE 1
......
contrib/dblink/sql/dblink.sql
View file @ bfccacf3
--
-- First, create a slave database and define the functions and test data
-- therein.
--
-- This initial hackery is to allow successive runs without failures.
--
-- Adjust this setting to control where the objects get created.
SET search_path = public;
CREATE OR REPLACE FUNCTION conditional_drop()
RETURNS text AS '
DECLARE
dbname text;
BEGIN
SELECT INTO dbname datname FROM pg_database WHERE datname = ''regression_slave'';
IF FOUND THEN
DROP DATABASE regression_slave;
END IF;
RETURN ''OK'';
END;
' LANGUAGE 'plpgsql';
SELECT conditional_drop();
CREATE DATABASE regression_slave;
\connect regression_slave
--
-- Define the functions and test data
-- therein.
--
-- Turn off echoing so that expected file does not depend on
-- contents of dblink.sql.
\set ECHO none
......@@ -64,20 +44,9 @@ SELECT dblink_build_sql_update('foo','1 2',2,'{"0", "a"}','{"99", "xyz"}');
-- build a delete statement based on a local tuple,
SELECT dblink_build_sql_delete('foo','1 2',2,'{"0", "a"}');
--
-- Connect back to the regression database and define the functions.
-- Turn off echoing so that expected file does not depend on
-- contents of dblink.sql.
--
\connect regression
\set ECHO none
SET autocommit TO 'on';
\i dblink.sql
\set ECHO all
-- regular old dblink
SELECT *
FROM dblink('dbname=regression_slave','SELECT * FROM foo') AS t(a int, b text, c text[])
FROM dblink('dbname=regression','SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
-- should generate "no connection available" error
......@@ -86,7 +55,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7;
-- create a persistent connection
SELECT dblink_connect('dbname=regression_slave');
SELECT dblink_connect('dbname=regression');
-- use the persistent connection
SELECT *
......@@ -124,21 +93,21 @@ WHERE t.a > 7;
-- 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=regression_slave','SET autocommit TO ''on'';INSERT INTO foo VALUES(10,''k'',''{"a10","b10","c10"}'')'),1,6);
SELECT substr(dblink_exec('dbname=regression','SET autocommit TO ''on'';INSERT INTO foo VALUES(10,''k'',''{"a10","b10","c10"}'')'),1,6);
-- create a persistent connection
SELECT dblink_connect('dbname=regression_slave');
SELECT dblink_connect('dbname=regression');
-- 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);
SELECT substr(dblink_exec('SET autocommit TO ''on'';INSERT INTO foo VALUES(11,''l'',''{"a11","b11","c11"}'')'),1,6);
-- let's see it
SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]);
-- change some data
SELECT dblink_exec('UPDATE foo SET f3[2] = ''b99'' WHERE f1 = 11');
SELECT dblink_exec('SET autocommit TO ''on'';UPDATE foo SET f3[2] = ''b99'' WHERE f1 = 11');
-- let's see it
SELECT *
......@@ -146,7 +115,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE a = 11;
-- delete some data
SELECT dblink_exec('DELETE FROM foo WHERE f1 = 11');
SELECT dblink_exec('SET autocommit TO ''on'';DELETE FROM foo WHERE f1 = 11');
-- let's see it
SELECT *
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment