Commit bfccacf3 authored by Tom Lane's avatar Tom Lane

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
-- 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. -- 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 -- Turn off echoing so that expected file does not depend on
-- contents of dblink.sql. -- contents of dblink.sql.
\set ECHO none \set ECHO none
...@@ -81,16 +59,9 @@ SELECT dblink_build_sql_delete('foo','1 2',2,'{"0", "a"}'); ...@@ -81,16 +59,9 @@ SELECT dblink_build_sql_delete('foo','1 2',2,'{"0", "a"}');
DELETE FROM foo WHERE f1 = '0' AND f2 = 'a' DELETE FROM foo WHERE f1 = '0' AND f2 = 'a'
(1 row) (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 -- regular old dblink
SELECT * 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; WHERE t.a > 7;
a | b | c a | b | c
---+---+------------ ---+---+------------
...@@ -104,7 +75,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]) ...@@ -104,7 +75,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7; WHERE t.a > 7;
ERROR: dblink: no connection available ERROR: dblink: no connection available
-- create a persistent connection -- create a persistent connection
SELECT dblink_connect('dbname=regression_slave'); SELECT dblink_connect('dbname=regression');
dblink_connect dblink_connect
---------------- ----------------
OK OK
...@@ -182,14 +153,14 @@ WHERE t.a > 7; ...@@ -182,14 +153,14 @@ WHERE t.a > 7;
ERROR: dblink: no connection available ERROR: dblink: no connection available
-- put more data into our slave table, first using arbitrary connection syntax -- 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 -- 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 substr
-------- --------
INSERT INSERT
(1 row) (1 row)
-- create a persistent connection -- create a persistent connection
SELECT dblink_connect('dbname=regression_slave'); SELECT dblink_connect('dbname=regression');
dblink_connect dblink_connect
---------------- ----------------
OK OK
...@@ -197,7 +168,7 @@ SELECT dblink_connect('dbname=regression_slave'); ...@@ -197,7 +168,7 @@ SELECT dblink_connect('dbname=regression_slave');
-- put more data into our slave table, using persistent connection syntax -- 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 -- 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 substr
-------- --------
INSERT INSERT
...@@ -223,7 +194,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]); ...@@ -223,7 +194,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]);
(12 rows) (12 rows)
-- change some data -- 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 dblink_exec
------------- -------------
UPDATE 1 UPDATE 1
...@@ -239,7 +210,7 @@ WHERE a = 11; ...@@ -239,7 +210,7 @@ WHERE a = 11;
(1 row) (1 row)
-- delete some data -- 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 dblink_exec
------------- -------------
DELETE 1 DELETE 1
......
--
-- 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. -- Adjust this setting to control where the objects get created.
SET search_path = public; SET search_path = public;
CREATE OR REPLACE FUNCTION conditional_drop() --
RETURNS text AS ' -- Define the functions and test data
DECLARE -- therein.
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
-- Turn off echoing so that expected file does not depend on -- Turn off echoing so that expected file does not depend on
-- contents of dblink.sql. -- contents of dblink.sql.
\set ECHO none \set ECHO none
...@@ -64,20 +44,9 @@ SELECT dblink_build_sql_update('foo','1 2',2,'{"0", "a"}','{"99", "xyz"}'); ...@@ -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, -- build a delete statement based on a local tuple,
SELECT dblink_build_sql_delete('foo','1 2',2,'{"0", "a"}'); 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 -- regular old dblink
SELECT * 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; WHERE t.a > 7;
-- should generate "no connection available" error -- should generate "no connection available" error
...@@ -86,7 +55,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]) ...@@ -86,7 +55,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE t.a > 7; WHERE t.a > 7;
-- create a persistent connection -- create a persistent connection
SELECT dblink_connect('dbname=regression_slave'); SELECT dblink_connect('dbname=regression');
-- use the persistent connection -- use the persistent connection
SELECT * SELECT *
...@@ -124,21 +93,21 @@ WHERE t.a > 7; ...@@ -124,21 +93,21 @@ WHERE t.a > 7;
-- put more data into our slave table, first using arbitrary connection syntax -- 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 -- 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 -- 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 -- 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 -- 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 -- let's see it
SELECT * SELECT *
FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]); FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]);
-- change some data -- 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 -- let's see it
SELECT * SELECT *
...@@ -146,7 +115,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[]) ...@@ -146,7 +115,7 @@ FROM dblink('SELECT * FROM foo') AS t(a int, b text, c text[])
WHERE a = 11; WHERE a = 11;
-- delete some data -- 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 -- let's see it
SELECT * SELECT *
......
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