2006-08-13 21:31:06 +02:00
|
|
|
-- pg_regress should ensure that this default value applies; however
|
|
|
|
-- we can't rely on any specific default value of vacuum_cost_delay
|
|
|
|
SHOW datestyle;
|
|
|
|
|
|
|
|
-- SET to some nondefault value
|
2006-08-04 02:00:14 +02:00
|
|
|
SET vacuum_cost_delay TO 400;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET datestyle = 'ISO, YMD';
|
2006-08-04 02:00:14 +02:00
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
|
|
|
|
-- SET LOCAL has no effect outside of a transaction
|
|
|
|
SET LOCAL vacuum_cost_delay TO 500;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET LOCAL datestyle = 'SQL';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
|
|
|
|
-- SET LOCAL within a transaction that commits
|
|
|
|
BEGIN;
|
|
|
|
SET LOCAL vacuum_cost_delay TO 500;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET LOCAL datestyle = 'SQL';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
COMMIT;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
|
|
|
|
-- SET should be reverted after ROLLBACK
|
|
|
|
BEGIN;
|
|
|
|
SET vacuum_cost_delay TO 600;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET datestyle = 'German';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
ROLLBACK;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
|
|
|
|
-- Some tests with subtransactions
|
|
|
|
BEGIN;
|
|
|
|
SET vacuum_cost_delay TO 700;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET datestyle = 'MDY';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
SAVEPOINT first_sp;
|
|
|
|
SET vacuum_cost_delay TO 800;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET datestyle = 'German, DMY';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
|
|
|
ROLLBACK TO first_sp;
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
SAVEPOINT second_sp;
|
|
|
|
SET vacuum_cost_delay TO 900;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET datestyle = 'SQL, YMD';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
SAVEPOINT third_sp;
|
|
|
|
SET vacuum_cost_delay TO 1000;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET datestyle = 'Postgres, MDY';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
ROLLBACK TO third_sp;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
ROLLBACK TO second_sp;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
ROLLBACK;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
|
|
|
|
-- SET LOCAL with Savepoints
|
|
|
|
BEGIN;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
SAVEPOINT sp;
|
|
|
|
SET LOCAL vacuum_cost_delay TO 300;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET LOCAL datestyle = 'Postgres, MDY';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
ROLLBACK TO sp;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
ROLLBACK;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
|
2007-09-11 02:06:42 +02:00
|
|
|
-- SET LOCAL persists through RELEASE (which was not true in 8.0-8.2)
|
|
|
|
BEGIN;
|
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
|
|
|
SAVEPOINT sp;
|
|
|
|
SET LOCAL vacuum_cost_delay TO 300;
|
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SET LOCAL datestyle = 'Postgres, MDY';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
|
|
|
RELEASE SAVEPOINT sp;
|
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
|
|
|
ROLLBACK;
|
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
|
|
|
|
2006-08-04 02:00:14 +02:00
|
|
|
-- SET followed by SET LOCAL
|
|
|
|
BEGIN;
|
|
|
|
SET vacuum_cost_delay TO 400;
|
|
|
|
SET LOCAL vacuum_cost_delay TO 500;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SET datestyle = 'ISO, DMY';
|
|
|
|
SET LOCAL datestyle = 'Postgres, MDY';
|
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
COMMIT;
|
|
|
|
SHOW vacuum_cost_delay;
|
2006-08-13 21:31:06 +02:00
|
|
|
SHOW datestyle;
|
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
|
|
|
|
--
|
|
|
|
-- Test RESET. We use datestyle because the reset value is forced by
|
|
|
|
-- pg_regress, so it doesn't depend on the installation's configuration.
|
|
|
|
--
|
|
|
|
SET datestyle = iso, ymd;
|
|
|
|
SHOW datestyle;
|
2006-08-13 21:31:06 +02:00
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2006-08-04 02:00:14 +02:00
|
|
|
RESET datestyle;
|
|
|
|
SHOW datestyle;
|
2006-08-13 21:31:06 +02:00
|
|
|
SELECT '2006-08-13 12:34:56'::timestamptz;
|
2007-04-12 08:53:49 +02:00
|
|
|
|
|
|
|
--
|
2007-04-26 18:13:15 +02:00
|
|
|
-- Test DISCARD TEMP
|
2007-04-12 08:53:49 +02:00
|
|
|
--
|
|
|
|
CREATE TEMP TABLE reset_test ( data text ) ON COMMIT DELETE ROWS;
|
|
|
|
SELECT relname FROM pg_class WHERE relname = 'reset_test';
|
2007-04-26 18:13:15 +02:00
|
|
|
DISCARD TEMP;
|
2007-04-12 08:53:49 +02:00
|
|
|
SELECT relname FROM pg_class WHERE relname = 'reset_test';
|
|
|
|
|
|
|
|
--
|
2007-04-26 18:13:15 +02:00
|
|
|
-- Test DISCARD ALL
|
2007-04-12 08:53:49 +02:00
|
|
|
--
|
|
|
|
|
|
|
|
-- do changes
|
|
|
|
DECLARE foo CURSOR WITH HOLD FOR SELECT 1;
|
|
|
|
PREPARE foo AS SELECT 1;
|
|
|
|
LISTEN foo_event;
|
|
|
|
SET vacuum_cost_delay = 13;
|
|
|
|
CREATE TEMP TABLE tmp_foo (data text) ON COMMIT DELETE ROWS;
|
|
|
|
CREATE ROLE temp_reset_user;
|
|
|
|
SET SESSION AUTHORIZATION temp_reset_user;
|
|
|
|
-- look changes
|
|
|
|
SELECT relname FROM pg_listener;
|
|
|
|
SELECT name FROM pg_prepared_statements;
|
|
|
|
SELECT name FROM pg_cursors;
|
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SELECT relname from pg_class where relname = 'tmp_foo';
|
|
|
|
SELECT current_user = 'temp_reset_user';
|
2007-04-26 18:13:15 +02:00
|
|
|
-- discard everything
|
|
|
|
DISCARD ALL;
|
2007-04-12 08:53:49 +02:00
|
|
|
-- look again
|
|
|
|
SELECT relname FROM pg_listener;
|
|
|
|
SELECT name FROM pg_prepared_statements;
|
|
|
|
SELECT name FROM pg_cursors;
|
|
|
|
SHOW vacuum_cost_delay;
|
|
|
|
SELECT relname from pg_class where relname = 'tmp_foo';
|
|
|
|
SELECT current_user = 'temp_reset_user';
|
|
|
|
DROP ROLE temp_reset_user;
|
|
|
|
|
2007-09-03 02:39:26 +02:00
|
|
|
--
|
|
|
|
-- Tests for function-local GUC settings
|
|
|
|
--
|
|
|
|
|
|
|
|
set regex_flavor = advanced;
|
|
|
|
|
|
|
|
create function report_guc(text) returns text as
|
|
|
|
$$ select current_setting($1) $$ language sql
|
|
|
|
set regex_flavor = basic;
|
|
|
|
|
|
|
|
select report_guc('regex_flavor'), current_setting('regex_flavor');
|
|
|
|
|
|
|
|
-- this should draw only a warning
|
|
|
|
alter function report_guc(text) set search_path = no_such_schema;
|
|
|
|
|
|
|
|
-- with error occurring here
|
|
|
|
select report_guc('regex_flavor'), current_setting('regex_flavor');
|
|
|
|
|
|
|
|
alter function report_guc(text) reset search_path set regex_flavor = extended;
|
|
|
|
|
|
|
|
select report_guc('regex_flavor'), current_setting('regex_flavor');
|
|
|
|
|
|
|
|
alter function report_guc(text) reset all;
|
|
|
|
|
|
|
|
select report_guc('regex_flavor'), current_setting('regex_flavor');
|
2007-09-11 02:06:42 +02:00
|
|
|
|
|
|
|
-- SET LOCAL is restricted by a function SET option
|
|
|
|
create or replace function myfunc(int) returns text as $$
|
|
|
|
begin
|
|
|
|
set local regex_flavor = extended;
|
|
|
|
return current_setting('regex_flavor');
|
|
|
|
end $$
|
|
|
|
language plpgsql
|
|
|
|
set regex_flavor = basic;
|
|
|
|
|
|
|
|
select myfunc(0), current_setting('regex_flavor');
|
|
|
|
|
|
|
|
alter function myfunc(int) reset all;
|
|
|
|
|
|
|
|
select myfunc(0), current_setting('regex_flavor');
|
|
|
|
|
|
|
|
set regex_flavor = advanced;
|
|
|
|
|
|
|
|
-- but SET isn't
|
|
|
|
create or replace function myfunc(int) returns text as $$
|
|
|
|
begin
|
|
|
|
set regex_flavor = extended;
|
|
|
|
return current_setting('regex_flavor');
|
|
|
|
end $$
|
|
|
|
language plpgsql
|
|
|
|
set regex_flavor = basic;
|
|
|
|
|
|
|
|
select myfunc(0), current_setting('regex_flavor');
|
|
|
|
|
|
|
|
set regex_flavor = advanced;
|
|
|
|
|
|
|
|
-- it should roll back on error, though
|
|
|
|
create or replace function myfunc(int) returns text as $$
|
|
|
|
begin
|
|
|
|
set regex_flavor = extended;
|
|
|
|
perform 1/$1;
|
|
|
|
return current_setting('regex_flavor');
|
|
|
|
end $$
|
|
|
|
language plpgsql
|
|
|
|
set regex_flavor = basic;
|
|
|
|
|
|
|
|
select myfunc(0);
|
|
|
|
select current_setting('regex_flavor');
|
|
|
|
select myfunc(1), current_setting('regex_flavor');
|