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|
--Immutable, volatile functions and nextval in DEFAULT clause
SELECT * FROM pglogical_regress_variables()
\gset
\c :provider_dsn
SELECT pglogical.replicate_ddl_command($$
CREATE FUNCTION public.add(integer, integer) RETURNS integer
AS 'select $1 + $2;'
LANGUAGE SQL
IMMUTABLE
RETURNS NULL ON NULL INPUT;
CREATE TABLE public.funct2(
a integer,
b integer,
c integer DEFAULT public.add(10,12 )
) ;
$$);
replicate_ddl_command
-----------------------
t
(1 row)
SELECT * FROM pglogical.replication_set_add_table('default_insert_only', 'public.funct2');
replication_set_add_table
---------------------------
t
(1 row)
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
INSERT INTO public.funct2(a,b) VALUES (1,2);--c should be 22
INSERT INTO public.funct2(a,b,c) VALUES (3,4,5);-- c should be 5
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * from public.funct2;
a | b | c
---+---+----
1 | 2 | 22
3 | 4 | 5
(2 rows)
\c :provider_dsn
SELECT pglogical.replicate_ddl_command($$
create or replace function public.get_curr_century() returns double precision as
'SELECT EXTRACT(CENTURY FROM NOW());'
language sql volatile;
CREATE TABLE public.funct5(
a integer,
b integer,
c double precision DEFAULT public.get_curr_century()
);
$$);
replicate_ddl_command
-----------------------
t
(1 row)
SELECT * FROM pglogical.replication_set_add_all_tables('default_insert_only', '{public}');
replication_set_add_all_tables
--------------------------------
t
(1 row)
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
INSERT INTO public.funct5(a,b) VALUES (1,2);--c should be e.g. 21 for 2015
INSERT INTO public.funct5(a,b,c) VALUES (3,4,20);-- c should be 20
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * from public.funct5;
a | b | c
---+---+----
1 | 2 | 21
3 | 4 | 20
(2 rows)
--nextval check
\c :provider_dsn
SELECT pglogical.replicate_ddl_command($$
CREATE SEQUENCE public.INSERT_SEQ;
CREATE TABLE public.funct (
a integer,
b INT DEFAULT nextval('public.insert_seq')
);
$$);
replicate_ddl_command
-----------------------
t
(1 row)
SELECT * FROM pglogical.replication_set_add_all_tables('default_insert_only', '{public}');
replication_set_add_all_tables
--------------------------------
t
(1 row)
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
INSERT INTO public.funct (a) VALUES (1);
INSERT INTO public.funct (a) VALUES (2);
INSERT INTO public.funct (a) VALUES (3);
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * FROM public.funct;
a | b
---+---
1 | 1
2 | 2
3 | 3
(3 rows)
\c :provider_dsn
BEGIN;
COMMIT;--empty transaction
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * FROM public.funct;
a | b
---+---
1 | 1
2 | 2
3 | 3
(3 rows)
-- test replication where the destination table has extra (nullable) columns that are not in the origin table
\c :provider_dsn
SELECT pglogical.replicate_ddl_command($$
CREATE TABLE public.nullcheck_tbl(
id integer PRIMARY KEY,
id1 integer,
name text
) ;
$$);
replicate_ddl_command
-----------------------
t
(1 row)
SELECT * FROM pglogical.replication_set_add_table('default', 'nullcheck_tbl');
replication_set_add_table
---------------------------
t
(1 row)
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
INSERT INTO public.nullcheck_tbl(id,id1,name) VALUES (1,1,'name1');
INSERT INTO public.nullcheck_tbl(id,id1,name) VALUES (2,2,'name2');
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * FROM public.nullcheck_tbl;
id | id1 | name
----+-----+-------
1 | 1 | name1
2 | 2 | name2
(2 rows)
ALTER TABLE public.nullcheck_tbl ADD COLUMN name1 text;
SELECT * FROM public.nullcheck_tbl;
id | id1 | name | name1
----+-----+-------+-------
1 | 1 | name1 |
2 | 2 | name2 |
(2 rows)
\c :provider_dsn
INSERT INTO public.nullcheck_tbl(id,id1,name) VALUES (3,3,'name3');
INSERT INTO public.nullcheck_tbl(id,id1,name) VALUES (4,4,'name4');
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * FROM public.nullcheck_tbl;
id | id1 | name | name1
----+-----+-------+-------
1 | 1 | name1 |
2 | 2 | name2 |
3 | 3 | name3 |
4 | 4 | name4 |
(4 rows)
\c :provider_dsn
UPDATE public.nullcheck_tbl SET name='name31' where id = 3;
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
INSERT INTO public.nullcheck_tbl(id,id1,name) VALUES (6,6,'name6');
SELECT * FROM public.nullcheck_tbl;
id | id1 | name | name1
----+-----+--------+-------
1 | 1 | name1 |
2 | 2 | name2 |
4 | 4 | name4 |
3 | 3 | name31 |
6 | 6 | name6 |
(5 rows)
\c :provider_dsn
SELECT pglogical.replicate_ddl_command($$
CREATE TABLE public.not_nullcheck_tbl(
id integer PRIMARY KEY,
id1 integer,
name text
) ;
$$);
replicate_ddl_command
-----------------------
t
(1 row)
SELECT * FROM pglogical.replication_set_add_table('default', 'not_nullcheck_tbl');
replication_set_add_table
---------------------------
t
(1 row)
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
ALTER TABLE public.not_nullcheck_tbl ADD COLUMN id2 integer not null;
\c :provider_dsn
SELECT quote_literal(pg_current_xlog_location()) as curr_lsn
\gset
INSERT INTO public.not_nullcheck_tbl(id,id1,name) VALUES (1,1,'name1');
INSERT INTO public.not_nullcheck_tbl(id,id1,name) VALUES (2,2,'name2');
SELECT pglogical.wait_slot_confirm_lsn(NULL, :curr_lsn);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * FROM public.not_nullcheck_tbl;
id | id1 | name | id2
----+-----+------+-----
(0 rows)
INSERT INTO public.not_nullcheck_tbl(id,id1,name) VALUES (3,3,'name3');
ERROR: null value in column "id2" violates not-null constraint
DETAIL: Failing row contains (3, 3, name3, null).
SELECT * FROM public.not_nullcheck_tbl;
id | id1 | name | id2
----+-----+------+-----
(0 rows)
SELECT pglogical.alter_subscription_disable('test_subscription', true);
alter_subscription_disable
----------------------------
t
(1 row)
\c :provider_dsn
DO $$
BEGIN
FOR i IN 1..100 LOOP
IF (SELECT count(1) FROM pg_replication_slots WHERE active = false) THEN
RETURN;
END IF;
PERFORM pg_sleep(0.1);
END LOOP;
END;
$$;
SELECT data::json->'action' as action, CASE WHEN data::json->>'action' IN ('I', 'D', 'U') THEN data END as data FROM pg_logical_slot_get_changes((SELECT slot_name FROM pg_replication_slots), NULL, 1, 'min_proto_version', '1', 'max_proto_version', '1', 'startup_params_format', '1', 'proto_format', 'json', 'pglogical.replication_set_names', 'default');
action | data
--------+-----------------------------------------------------------------------------------------------------
"S" |
"B" |
"I" | {"action":"I","relation":["public","not_nullcheck_tbl"],"newtuple":{"id":1,"id1":1,"name":"name1"}}
"C" |
(4 rows)
SELECT data::json->'action' as action, CASE WHEN data::json->>'action' IN ('I', 'D', 'U') THEN data END as data FROM pg_logical_slot_get_changes((SELECT slot_name FROM pg_replication_slots), NULL, 1, 'min_proto_version', '1', 'max_proto_version', '1', 'startup_params_format', '1', 'proto_format', 'json', 'pglogical.replication_set_names', 'default');
action | data
--------+-----------------------------------------------------------------------------------------------------
"S" |
"B" |
"I" | {"action":"I","relation":["public","not_nullcheck_tbl"],"newtuple":{"id":2,"id1":2,"name":"name2"}}
"C" |
(4 rows)
\c :subscriber_dsn
SELECT pglogical.alter_subscription_enable('test_subscription', true);
alter_subscription_enable
---------------------------
t
(1 row)
ALTER TABLE public.not_nullcheck_tbl ALTER COLUMN id2 SET default 99;
\c :provider_dsn
DO $$
BEGIN
FOR i IN 1..100 LOOP
IF (SELECT count(1) FROM pg_replication_slots WHERE active = true) THEN
RETURN;
END IF;
PERFORM pg_sleep(0.1);
END LOOP;
END;
$$;
INSERT INTO public.not_nullcheck_tbl(id,id1,name) VALUES (4,4,'name4'); -- id2 will be 99 on subscriber
ALTER TABLE public.not_nullcheck_tbl ADD COLUMN id2 integer not null default 0;
INSERT INTO public.not_nullcheck_tbl(id,id1,name) VALUES (5,5,'name5'); -- id2 will be 0 on both
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT * FROM public.not_nullcheck_tbl;
id | id1 | name | id2
----+-----+-------+-----
4 | 4 | name4 | 99
5 | 5 | name5 | 0
(2 rows)
\c :provider_dsn
SELECT pglogical.replicate_ddl_command($$
CREATE FUNCTION public.some_prime_numbers() RETURNS SETOF integer
LANGUAGE sql IMMUTABLE STRICT LEAKPROOF
AS $_$
VALUES (2), (3), (5), (7), (11), (13), (17), (19), (23), (29), (31), (37), (41), (43), (47), (53), (59), (61), (67), (71), (73), (79), (83), (89), (97)
$_$;
CREATE FUNCTION public.is_prime_lt_100(integer) RETURNS boolean
LANGUAGE sql IMMUTABLE STRICT LEAKPROOF
AS $_$
SELECT EXISTS (SELECT FROM public.some_prime_numbers() s(p) WHERE p = $1)
$_$;
CREATE DOMAIN public.prime AS integer
CONSTRAINT prime_check CHECK(public.is_prime_lt_100(VALUE));
CREATE TABLE public.prime_tbl (
num public.prime NOT NULL,
PRIMARY KEY(num)
);
INSERT INTO public.prime_tbl (num) VALUES(17), (31), (79);
$$);
replicate_ddl_command
-----------------------
t
(1 row)
SELECT * FROM pglogical.replication_set_add_table('default', 'public.prime_tbl');
replication_set_add_table
---------------------------
t
(1 row)
DELETE FROM public.prime_tbl WHERE num = 31;
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
wait_slot_confirm_lsn
-----------------------
(1 row)
\c :subscriber_dsn
SELECT num FROM public.prime_tbl;
num
-----
17
79
(2 rows)
\c :provider_dsn
\set VERBOSITY terse
SELECT pglogical.replicate_ddl_command($$
DROP TABLE public.funct CASCADE;
DROP SEQUENCE public.INSERT_SEQ;
DROP TABLE public.funct2 CASCADE;
DROP TABLE public.funct5 CASCADE;
DROP FUNCTION public.get_curr_century();
DROP FUNCTION public.add(integer, integer);
DROP TABLE public.nullcheck_tbl CASCADE;
DROP TABLE public.not_nullcheck_tbl CASCADE;
DROP TABLE public.prime_tbl CASCADE;
DROP DOMAIN public.prime;
DROP FUNCTION public.is_prime_lt_100(integer);
DROP FUNCTION public.some_prime_numbers();
$$);
NOTICE: drop cascades to table public.funct membership in replication set default_insert_only
NOTICE: drop cascades to table public.funct2 membership in replication set default_insert_only
NOTICE: drop cascades to table public.funct5 membership in replication set default_insert_only
NOTICE: drop cascades to table public.nullcheck_tbl membership in replication set default
NOTICE: drop cascades to table public.not_nullcheck_tbl membership in replication set default
NOTICE: drop cascades to table public.prime_tbl membership in replication set default
replicate_ddl_command
-----------------------
t
(1 row)
|
