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|
-- predictability
SET synchronous_commit = on;
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
?column?
----------
init
(1 row)
-- fail because of an already existing slot
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
ERROR: replication slot "regression_slot" already exists
-- fail because of an invalid name
SELECT 'init' FROM pg_create_logical_replication_slot('Invalid Name', 'test_decoding');
ERROR: replication slot name "Invalid Name" contains invalid character
HINT: Replication slot names may only contain lower case letters, numbers, and the underscore character.
-- fail twice because of an invalid parameter values
SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', 'frakbar');
ERROR: could not parse value "frakbar" for parameter "include-xids"
CONTEXT: slot "regression_slot", output plugin "test_decoding", in the startup callback
SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'nonexistent-option', 'frakbar');
ERROR: option "nonexistent-option" = "frakbar" is unknown
CONTEXT: slot "regression_slot", output plugin "test_decoding", in the startup callback
SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', 'frakbar');
ERROR: could not parse value "frakbar" for parameter "include-xids"
CONTEXT: slot "regression_slot", output plugin "test_decoding", in the startup callback
-- succeed once
SELECT pg_drop_replication_slot('regression_slot');
pg_drop_replication_slot
--------------------------
(1 row)
-- fail
SELECT pg_drop_replication_slot('regression_slot');
ERROR: replication slot "regression_slot" does not exist
-- check that we're detecting a streaming rep slot used for logical decoding
SELECT 'init' FROM pg_create_physical_replication_slot('repl');
?column?
----------
init
(1 row)
SELECT data FROM pg_logical_slot_get_changes('repl', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
ERROR: cannot use physical replication slot for logical decoding
SELECT pg_drop_replication_slot('repl');
pg_drop_replication_slot
--------------------------
(1 row)
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
?column?
----------
init
(1 row)
/* check whether status function reports us, only reproduceable columns */
SELECT slot_name, plugin, slot_type, active,
NOT catalog_xmin IS NULL AS catalog_xmin_set,
xmin IS NULl AS data_xmin_not_set,
pg_wal_lsn_diff(restart_lsn, '0/01000000') > 0 AS some_wal
FROM pg_replication_slots;
slot_name | plugin | slot_type | active | catalog_xmin_set | data_xmin_not_set | some_wal
-----------------+---------------+-----------+--------+------------------+-------------------+----------
regression_slot | test_decoding | logical | f | t | t | t
(1 row)
/*
* Check that changes are handled correctly when interleaved with ddl
*/
CREATE TABLE replication_example(id SERIAL PRIMARY KEY, somedata int, text varchar(120));
BEGIN;
INSERT INTO replication_example(somedata, text) VALUES (1, 1);
INSERT INTO replication_example(somedata, text) VALUES (1, 2);
COMMIT;
ALTER TABLE replication_example ADD COLUMN bar int;
INSERT INTO replication_example(somedata, text, bar) VALUES (2, 1, 4);
BEGIN;
INSERT INTO replication_example(somedata, text, bar) VALUES (2, 2, 4);
INSERT INTO replication_example(somedata, text, bar) VALUES (2, 3, 4);
INSERT INTO replication_example(somedata, text, bar) VALUES (2, 4, NULL);
COMMIT;
ALTER TABLE replication_example DROP COLUMN bar;
INSERT INTO replication_example(somedata, text) VALUES (3, 1);
BEGIN;
INSERT INTO replication_example(somedata, text) VALUES (3, 2);
INSERT INTO replication_example(somedata, text) VALUES (3, 3);
COMMIT;
ALTER TABLE replication_example RENAME COLUMN text TO somenum;
INSERT INTO replication_example(somedata, somenum) VALUES (4, 1);
-- collect all changes
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
---------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.replication_example: INSERT: id[integer]:1 somedata[integer]:1 text[character varying]:'1'
table public.replication_example: INSERT: id[integer]:2 somedata[integer]:1 text[character varying]:'2'
COMMIT
BEGIN
table public.replication_example: INSERT: id[integer]:3 somedata[integer]:2 text[character varying]:'1' bar[integer]:4
COMMIT
BEGIN
table public.replication_example: INSERT: id[integer]:4 somedata[integer]:2 text[character varying]:'2' bar[integer]:4
table public.replication_example: INSERT: id[integer]:5 somedata[integer]:2 text[character varying]:'3' bar[integer]:4
table public.replication_example: INSERT: id[integer]:6 somedata[integer]:2 text[character varying]:'4' bar[integer]:null
COMMIT
BEGIN
table public.replication_example: INSERT: id[integer]:7 somedata[integer]:3 text[character varying]:'1'
COMMIT
BEGIN
table public.replication_example: INSERT: id[integer]:8 somedata[integer]:3 text[character varying]:'2'
table public.replication_example: INSERT: id[integer]:9 somedata[integer]:3 text[character varying]:'3'
COMMIT
BEGIN
table public.replication_example: INSERT: id[integer]:10 somedata[integer]:4 somenum[character varying]:'1'
COMMIT
(22 rows)
ALTER TABLE replication_example ALTER COLUMN somenum TYPE int4 USING (somenum::int4);
-- check that this doesn't produce any changes from the heap rewrite
SELECT count(data) FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
count
-------
0
(1 row)
INSERT INTO replication_example(somedata, somenum) VALUES (5, 1);
BEGIN;
INSERT INTO replication_example(somedata, somenum) VALUES (6, 1);
ALTER TABLE replication_example ADD COLUMN zaphod1 int;
INSERT INTO replication_example(somedata, somenum, zaphod1) VALUES (6, 2, 1);
ALTER TABLE replication_example ADD COLUMN zaphod2 int;
INSERT INTO replication_example(somedata, somenum, zaphod2) VALUES (6, 3, 1);
INSERT INTO replication_example(somedata, somenum, zaphod1) VALUES (6, 4, 2);
COMMIT;
-- show changes
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.replication_example: INSERT: id[integer]:11 somedata[integer]:5 somenum[integer]:1
COMMIT
BEGIN
table public.replication_example: INSERT: id[integer]:12 somedata[integer]:6 somenum[integer]:1
table public.replication_example: INSERT: id[integer]:13 somedata[integer]:6 somenum[integer]:2 zaphod1[integer]:1
table public.replication_example: INSERT: id[integer]:14 somedata[integer]:6 somenum[integer]:3 zaphod1[integer]:null zaphod2[integer]:1
table public.replication_example: INSERT: id[integer]:15 somedata[integer]:6 somenum[integer]:4 zaphod1[integer]:2 zaphod2[integer]:null
COMMIT
(9 rows)
-- ON CONFLICT DO UPDATE support
BEGIN;
INSERT INTO replication_example(id, somedata, somenum) SELECT i, i, i FROM generate_series(-15, 15) i
ON CONFLICT (id) DO UPDATE SET somenum = excluded.somenum + 1;
COMMIT;
/* display results */
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
--------------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.replication_example: INSERT: id[integer]:-15 somedata[integer]:-15 somenum[integer]:-15 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-14 somedata[integer]:-14 somenum[integer]:-14 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-13 somedata[integer]:-13 somenum[integer]:-13 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-12 somedata[integer]:-12 somenum[integer]:-12 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-11 somedata[integer]:-11 somenum[integer]:-11 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-10 somedata[integer]:-10 somenum[integer]:-10 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-9 somedata[integer]:-9 somenum[integer]:-9 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-8 somedata[integer]:-8 somenum[integer]:-8 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-7 somedata[integer]:-7 somenum[integer]:-7 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-6 somedata[integer]:-6 somenum[integer]:-6 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-5 somedata[integer]:-5 somenum[integer]:-5 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-4 somedata[integer]:-4 somenum[integer]:-4 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-3 somedata[integer]:-3 somenum[integer]:-3 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-2 somedata[integer]:-2 somenum[integer]:-2 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-1 somedata[integer]:-1 somenum[integer]:-1 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:0 somedata[integer]:0 somenum[integer]:0 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:1 somedata[integer]:1 somenum[integer]:2 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:2 somedata[integer]:1 somenum[integer]:3 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:3 somedata[integer]:2 somenum[integer]:4 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:4 somedata[integer]:2 somenum[integer]:5 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:5 somedata[integer]:2 somenum[integer]:6 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:6 somedata[integer]:2 somenum[integer]:7 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:7 somedata[integer]:3 somenum[integer]:8 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:8 somedata[integer]:3 somenum[integer]:9 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:9 somedata[integer]:3 somenum[integer]:10 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:10 somedata[integer]:4 somenum[integer]:11 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:11 somedata[integer]:5 somenum[integer]:12 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:12 somedata[integer]:6 somenum[integer]:13 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:13 somedata[integer]:6 somenum[integer]:14 zaphod1[integer]:1 zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:14 somedata[integer]:6 somenum[integer]:15 zaphod1[integer]:null zaphod2[integer]:1
table public.replication_example: UPDATE: id[integer]:15 somedata[integer]:6 somenum[integer]:16 zaphod1[integer]:2 zaphod2[integer]:null
COMMIT
(33 rows)
-- MERGE support
BEGIN;
MERGE INTO replication_example t
USING (SELECT i as id, i as data, i as num FROM generate_series(-20, 5) i) s
ON t.id = s.id
WHEN MATCHED AND t.id < 0 THEN
UPDATE SET somenum = somenum + 1
WHEN MATCHED AND t.id >= 0 THEN
DELETE
WHEN NOT MATCHED THEN
INSERT VALUES (s.*);
COMMIT;
/* display results */
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
--------------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.replication_example: INSERT: id[integer]:-20 somedata[integer]:-20 somenum[integer]:-20 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-19 somedata[integer]:-19 somenum[integer]:-19 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-18 somedata[integer]:-18 somenum[integer]:-18 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-17 somedata[integer]:-17 somenum[integer]:-17 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: INSERT: id[integer]:-16 somedata[integer]:-16 somenum[integer]:-16 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-15 somedata[integer]:-15 somenum[integer]:-14 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-14 somedata[integer]:-14 somenum[integer]:-13 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-13 somedata[integer]:-13 somenum[integer]:-12 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-12 somedata[integer]:-12 somenum[integer]:-11 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-11 somedata[integer]:-11 somenum[integer]:-10 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-10 somedata[integer]:-10 somenum[integer]:-9 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-9 somedata[integer]:-9 somenum[integer]:-8 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-8 somedata[integer]:-8 somenum[integer]:-7 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-7 somedata[integer]:-7 somenum[integer]:-6 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-6 somedata[integer]:-6 somenum[integer]:-5 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-5 somedata[integer]:-5 somenum[integer]:-4 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-4 somedata[integer]:-4 somenum[integer]:-3 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-3 somedata[integer]:-3 somenum[integer]:-2 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-2 somedata[integer]:-2 somenum[integer]:-1 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: UPDATE: id[integer]:-1 somedata[integer]:-1 somenum[integer]:0 zaphod1[integer]:null zaphod2[integer]:null
table public.replication_example: DELETE: id[integer]:0
table public.replication_example: DELETE: id[integer]:1
table public.replication_example: DELETE: id[integer]:2
table public.replication_example: DELETE: id[integer]:3
table public.replication_example: DELETE: id[integer]:4
table public.replication_example: DELETE: id[integer]:5
COMMIT
(28 rows)
CREATE TABLE tr_unique(id2 serial unique NOT NULL, data int);
INSERT INTO tr_unique(data) VALUES(10);
ALTER TABLE tr_unique RENAME TO tr_pkey;
ALTER TABLE tr_pkey ADD COLUMN id serial primary key;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-rewrites', '1');
data
-----------------------------------------------------------------------------
BEGIN
table public.tr_unique: INSERT: id2[integer]:1 data[integer]:10
COMMIT
BEGIN
table public.tr_pkey: INSERT: id2[integer]:1 data[integer]:10 id[integer]:1
COMMIT
(6 rows)
INSERT INTO tr_pkey(data) VALUES(1);
--show deletion with primary key
DELETE FROM tr_pkey;
/* display results */
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
----------------------------------------------------------------------------
BEGIN
table public.tr_pkey: INSERT: id2[integer]:2 data[integer]:1 id[integer]:2
COMMIT
BEGIN
table public.tr_pkey: DELETE: id[integer]:1
table public.tr_pkey: DELETE: id[integer]:2
COMMIT
(7 rows)
/*
* check that disk spooling works (also for logical messages)
*/
BEGIN;
CREATE TABLE tr_etoomuch (id serial primary key, data int);
INSERT INTO tr_etoomuch(data) SELECT g.i FROM generate_series(1, 10234) g(i);
SELECT 'tx logical msg' FROM pg_logical_emit_message(true, 'test', 'tx logical msg');
?column?
----------------
tx logical msg
(1 row)
DELETE FROM tr_etoomuch WHERE id < 5000;
UPDATE tr_etoomuch SET data = - data WHERE id > 5000;
CREATE TABLE tr_oddlength (id text primary key, data text);
INSERT INTO tr_oddlength VALUES('ab', 'foo');
COMMIT;
/* display results, but hide most of the output */
SELECT count(*), min(data), max(data)
FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1')
GROUP BY substring(data, 1, 24)
ORDER BY 1,2;
count | min | max
-------+-----------------------------------------------------------------------+------------------------------------------------------------------------
1 | BEGIN | BEGIN
1 | COMMIT | COMMIT
1 | message: transactional: 1 prefix: test, sz: 14 content:tx logical msg | message: transactional: 1 prefix: test, sz: 14 content:tx logical msg
1 | table public.tr_oddlength: INSERT: id[text]:'ab' data[text]:'foo' | table public.tr_oddlength: INSERT: id[text]:'ab' data[text]:'foo'
20467 | table public.tr_etoomuch: DELETE: id[integer]:1 | table public.tr_etoomuch: UPDATE: id[integer]:9999 data[integer]:-9999
(5 rows)
-- check updates of primary keys work correctly
BEGIN;
CREATE TABLE spoolme AS SELECT g.i FROM generate_series(1, 5000) g(i);
UPDATE tr_etoomuch SET id = -id WHERE id = 5000;
UPDATE tr_oddlength SET id = 'x', data = 'quux';
UPDATE tr_oddlength SET id = 'yy', data = 'a';
DELETE FROM spoolme;
DROP TABLE spoolme;
COMMIT;
SELECT data
FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1')
WHERE data ~ 'UPDATE';
data
-------------------------------------------------------------------------------------------------------------
table public.tr_etoomuch: UPDATE: old-key: id[integer]:5000 new-tuple: id[integer]:-5000 data[integer]:5000
table public.tr_oddlength: UPDATE: old-key: id[text]:'ab' new-tuple: id[text]:'x' data[text]:'quux'
table public.tr_oddlength: UPDATE: old-key: id[text]:'x' new-tuple: id[text]:'yy' data[text]:'a'
(3 rows)
-- check that a large, spooled, upsert works
INSERT INTO tr_etoomuch (id, data)
SELECT g.i, -g.i FROM generate_series(8000, 12000) g(i)
ON CONFLICT(id) DO UPDATE SET data = EXCLUDED.data;
SELECT substring(data, 1, 29), count(*)
FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') WITH ORDINALITY
GROUP BY 1
ORDER BY min(ordinality);
substring | count
-------------------------------+-------
BEGIN | 1
table public.tr_etoomuch: UPD | 2235
table public.tr_etoomuch: INS | 1766
COMMIT | 1
(4 rows)
/*
* check whether we decode subtransactions correctly in relation with each
* other
*/
CREATE TABLE tr_sub (id serial primary key, path text);
-- toplevel, subtxn, toplevel, subtxn, subtxn
BEGIN;
INSERT INTO tr_sub(path) VALUES ('1-top-#1');
SAVEPOINT a;
INSERT INTO tr_sub(path) VALUES ('1-top-1-#1');
INSERT INTO tr_sub(path) VALUES ('1-top-1-#2');
RELEASE SAVEPOINT a;
SAVEPOINT b;
SAVEPOINT c;
INSERT INTO tr_sub(path) VALUES ('1-top-2-1-#1');
INSERT INTO tr_sub(path) VALUES ('1-top-2-1-#2');
RELEASE SAVEPOINT c;
INSERT INTO tr_sub(path) VALUES ('1-top-2-#1');
RELEASE SAVEPOINT b;
COMMIT;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
----------------------------------------------------------------------
BEGIN
table public.tr_sub: INSERT: id[integer]:1 path[text]:'1-top-#1'
table public.tr_sub: INSERT: id[integer]:2 path[text]:'1-top-1-#1'
table public.tr_sub: INSERT: id[integer]:3 path[text]:'1-top-1-#2'
table public.tr_sub: INSERT: id[integer]:4 path[text]:'1-top-2-1-#1'
table public.tr_sub: INSERT: id[integer]:5 path[text]:'1-top-2-1-#2'
table public.tr_sub: INSERT: id[integer]:6 path[text]:'1-top-2-#1'
COMMIT
(8 rows)
-- check that we handle xlog assignments correctly
BEGIN;
-- nest 80 subtxns
SAVEPOINT subtop;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;
-- assign xid by inserting
INSERT INTO tr_sub(path) VALUES ('2-top-1...--#1');
INSERT INTO tr_sub(path) VALUES ('2-top-1...--#2');
INSERT INTO tr_sub(path) VALUES ('2-top-1...--#3');
RELEASE SAVEPOINT subtop;
INSERT INTO tr_sub(path) VALUES ('2-top-#1');
COMMIT;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
------------------------------------------------------------------------
BEGIN
table public.tr_sub: INSERT: id[integer]:7 path[text]:'2-top-1...--#1'
table public.tr_sub: INSERT: id[integer]:8 path[text]:'2-top-1...--#2'
table public.tr_sub: INSERT: id[integer]:9 path[text]:'2-top-1...--#3'
table public.tr_sub: INSERT: id[integer]:10 path[text]:'2-top-#1'
COMMIT
(6 rows)
-- make sure rollbacked subtransactions aren't decoded
BEGIN;
INSERT INTO tr_sub(path) VALUES ('3-top-2-#1');
SAVEPOINT a;
INSERT INTO tr_sub(path) VALUES ('3-top-2-1-#1');
SAVEPOINT b;
INSERT INTO tr_sub(path) VALUES ('3-top-2-2-#1');
ROLLBACK TO SAVEPOINT b;
INSERT INTO tr_sub(path) VALUES ('3-top-2-#2');
COMMIT;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
-----------------------------------------------------------------------
BEGIN
table public.tr_sub: INSERT: id[integer]:11 path[text]:'3-top-2-#1'
table public.tr_sub: INSERT: id[integer]:12 path[text]:'3-top-2-1-#1'
table public.tr_sub: INSERT: id[integer]:14 path[text]:'3-top-2-#2'
COMMIT
(5 rows)
-- test whether a known, but not yet logged toplevel xact, followed by a
-- subxact commit is handled correctly
BEGIN;
SELECT pg_current_xact_id() != '0'; -- so no fixed xid apears in the outfile
?column?
----------
t
(1 row)
SAVEPOINT a;
INSERT INTO tr_sub(path) VALUES ('4-top-1-#1');
RELEASE SAVEPOINT a;
COMMIT;
-- test whether a change in a subtransaction, in an unknown toplevel
-- xact is handled correctly.
BEGIN;
SAVEPOINT a;
INSERT INTO tr_sub(path) VALUES ('5-top-1-#1');
COMMIT;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
---------------------------------------------------------------------
BEGIN
table public.tr_sub: INSERT: id[integer]:15 path[text]:'4-top-1-#1'
COMMIT
BEGIN
table public.tr_sub: INSERT: id[integer]:16 path[text]:'5-top-1-#1'
COMMIT
(6 rows)
-- check that DDL in aborted subtransactions handled correctly
CREATE TABLE tr_sub_ddl(data int);
BEGIN;
SAVEPOINT a;
ALTER TABLE tr_sub_ddl ALTER COLUMN data TYPE text;
INSERT INTO tr_sub_ddl VALUES ('blah-blah');
ROLLBACK TO SAVEPOINT a;
ALTER TABLE tr_sub_ddl ALTER COLUMN data TYPE bigint;
INSERT INTO tr_sub_ddl VALUES(43);
COMMIT;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
--------------------------------------------------
BEGIN
table public.tr_sub_ddl: INSERT: data[bigint]:43
COMMIT
(3 rows)
/*
* Check whether treating a table as a catalog table works somewhat
*/
CREATE TABLE replication_metadata (
id serial primary key,
relation name NOT NULL,
options text[]
)
WITH (user_catalog_table = true)
;
\d+ replication_metadata
Table "public.replication_metadata"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
----------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
relation | name | | not null | | plain | |
options | text[] | | | | extended | |
Indexes:
"replication_metadata_pkey" PRIMARY KEY, btree (id)
Options: user_catalog_table=true
INSERT INTO replication_metadata(relation, options)
VALUES ('foo', ARRAY['a', 'b']);
ALTER TABLE replication_metadata RESET (user_catalog_table);
\d+ replication_metadata
Table "public.replication_metadata"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
----------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
relation | name | | not null | | plain | |
options | text[] | | | | extended | |
Indexes:
"replication_metadata_pkey" PRIMARY KEY, btree (id)
INSERT INTO replication_metadata(relation, options)
VALUES ('bar', ARRAY['a', 'b']);
ALTER TABLE replication_metadata SET (user_catalog_table = true);
\d+ replication_metadata
Table "public.replication_metadata"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
----------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
relation | name | | not null | | plain | |
options | text[] | | | | extended | |
Indexes:
"replication_metadata_pkey" PRIMARY KEY, btree (id)
Options: user_catalog_table=true
INSERT INTO replication_metadata(relation, options)
VALUES ('blub', NULL);
-- make sure rewrites don't work
ALTER TABLE replication_metadata ADD COLUMN rewritemeornot int;
ALTER TABLE replication_metadata ALTER COLUMN rewritemeornot TYPE text;
ERROR: cannot rewrite table "replication_metadata" used as a catalog table
ALTER TABLE replication_metadata SET (user_catalog_table = false);
\d+ replication_metadata
Table "public.replication_metadata"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
----------------+---------+-----------+----------+--------------------------------------------------+----------+--------------+-------------
id | integer | | not null | nextval('replication_metadata_id_seq'::regclass) | plain | |
relation | name | | not null | | plain | |
options | text[] | | | | extended | |
rewritemeornot | integer | | | | plain | |
Indexes:
"replication_metadata_pkey" PRIMARY KEY, btree (id)
Options: user_catalog_table=false
INSERT INTO replication_metadata(relation, options)
VALUES ('zaphod', NULL);
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.replication_metadata: INSERT: id[integer]:1 relation[name]:'foo' options[text[]]:'{a,b}'
COMMIT
BEGIN
table public.replication_metadata: INSERT: id[integer]:2 relation[name]:'bar' options[text[]]:'{a,b}'
COMMIT
BEGIN
table public.replication_metadata: INSERT: id[integer]:3 relation[name]:'blub' options[text[]]:null
COMMIT
BEGIN
table public.replication_metadata: INSERT: id[integer]:4 relation[name]:'zaphod' options[text[]]:null rewritemeornot[integer]:null
COMMIT
(12 rows)
/*
* check whether we handle updates/deletes correct with & without a pkey
*/
/* we should handle the case without a key at all more gracefully */
CREATE TABLE table_without_key(id serial, data int);
INSERT INTO table_without_key(data) VALUES(1),(2);
DELETE FROM table_without_key WHERE data = 1;
-- won't log old keys
UPDATE table_without_key SET data = 3 WHERE data = 2;
UPDATE table_without_key SET id = -id;
UPDATE table_without_key SET id = -id;
-- should log the full old row now
ALTER TABLE table_without_key REPLICA IDENTITY FULL;
UPDATE table_without_key SET data = 3 WHERE data = 2;
UPDATE table_without_key SET id = -id;
UPDATE table_without_key SET id = -id;
-- ensure that FULL correctly deals with new columns
ALTER TABLE table_without_key ADD COLUMN new_column text;
UPDATE table_without_key SET id = -id;
UPDATE table_without_key SET id = -id, new_column = 'someval';
DELETE FROM table_without_key WHERE data = 3;
CREATE TABLE table_with_pkey(id serial primary key, data int);
INSERT INTO table_with_pkey(data) VALUES(1), (2);
DELETE FROM table_with_pkey WHERE data = 1;
-- should log the old pkey
UPDATE table_with_pkey SET data = 3 WHERE data = 2;
UPDATE table_with_pkey SET id = -id;
UPDATE table_with_pkey SET id = -id;
-- check that we log nothing despite having a pkey
ALTER TABLE table_without_key REPLICA IDENTITY NOTHING;
UPDATE table_with_pkey SET id = -id;
-- check that we log everything despite having a pkey
ALTER TABLE table_without_key REPLICA IDENTITY FULL;
UPDATE table_with_pkey SET id = -id;
DELETE FROM table_with_pkey WHERE data = 3;
CREATE TABLE table_with_unique_not_null(id serial unique, data int);
ALTER TABLE table_with_unique_not_null ALTER COLUMN id SET NOT NULL; --already set
-- won't log anything, replica identity not setup
INSERT INTO table_with_unique_not_null(data) VALUES(1), (2);
DELETE FROM table_with_unique_not_null WHERE data = 1;
UPDATE table_with_unique_not_null SET data = 3 WHERE data = 2;
UPDATE table_with_unique_not_null SET id = -id;
UPDATE table_with_unique_not_null SET id = -id;
DELETE FROM table_with_unique_not_null WHERE data = 3;
-- should log old key
ALTER TABLE table_with_unique_not_null REPLICA IDENTITY USING INDEX table_with_unique_not_null_id_key;
INSERT INTO table_with_unique_not_null(data) VALUES(1), (2);
DELETE FROM table_with_unique_not_null WHERE data = 1;
UPDATE table_with_unique_not_null SET data = 3 WHERE data = 2;
UPDATE table_with_unique_not_null SET id = -id;
UPDATE table_with_unique_not_null SET id = -id;
DELETE FROM table_with_unique_not_null WHERE data = 3;
-- check tables with dropped indexes used in REPLICA IDENTITY
-- table with primary key
CREATE TABLE table_dropped_index_with_pk (a int PRIMARY KEY, b int, c int);
CREATE UNIQUE INDEX table_dropped_index_with_pk_idx
ON table_dropped_index_with_pk(a);
ALTER TABLE table_dropped_index_with_pk REPLICA IDENTITY
USING INDEX table_dropped_index_with_pk_idx;
DROP INDEX table_dropped_index_with_pk_idx;
INSERT INTO table_dropped_index_with_pk VALUES (1,1,1), (2,2,2), (3,3,3);
UPDATE table_dropped_index_with_pk SET a = 4 WHERE a = 1;
UPDATE table_dropped_index_with_pk SET b = 5 WHERE a = 2;
UPDATE table_dropped_index_with_pk SET b = 6, c = 7 WHERE a = 3;
DELETE FROM table_dropped_index_with_pk WHERE b = 1;
DELETE FROM table_dropped_index_with_pk WHERE a = 3;
DROP TABLE table_dropped_index_with_pk;
-- table without primary key
CREATE TABLE table_dropped_index_no_pk (a int NOT NULL, b int, c int);
CREATE UNIQUE INDEX table_dropped_index_no_pk_idx
ON table_dropped_index_no_pk(a);
ALTER TABLE table_dropped_index_no_pk REPLICA IDENTITY
USING INDEX table_dropped_index_no_pk_idx;
DROP INDEX table_dropped_index_no_pk_idx;
INSERT INTO table_dropped_index_no_pk VALUES (1,1,1), (2,2,2), (3,3,3);
UPDATE table_dropped_index_no_pk SET a = 4 WHERE a = 1;
UPDATE table_dropped_index_no_pk SET b = 5 WHERE a = 2;
UPDATE table_dropped_index_no_pk SET b = 6, c = 7 WHERE a = 3;
DELETE FROM table_dropped_index_no_pk WHERE b = 1;
DELETE FROM table_dropped_index_no_pk WHERE a = 3;
DROP TABLE table_dropped_index_no_pk;
-- check toast support
BEGIN;
CREATE SEQUENCE toasttable_rand_seq START 79 INCREMENT 1499; -- portable "random"
CREATE TABLE toasttable(
id serial primary key,
toasted_col1 text,
rand1 float8 DEFAULT nextval('toasttable_rand_seq'),
toasted_col2 text,
rand2 float8 DEFAULT nextval('toasttable_rand_seq')
);
COMMIT;
-- uncompressed external toast data
INSERT INTO toasttable(toasted_col1) SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i);
-- compressed external toast data
INSERT INTO toasttable(toasted_col2) SELECT repeat(string_agg(to_char(g.i, 'FM0000'), ''), 50) FROM generate_series(1, 500) g(i);
-- update of existing column
UPDATE toasttable
SET toasted_col1 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i))
WHERE id = 1;
-- This output is extremely wide, and using aligned mode causes psql to
-- produce 200kB of useless dashes. Turn that off temporarily to avoid it.
\pset format unaligned
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
BEGIN
table public.table_without_key: INSERT: id[integer]:1 data[integer]:1
table public.table_without_key: INSERT: id[integer]:2 data[integer]:2
COMMIT
BEGIN
table public.table_without_key: DELETE: (no-tuple-data)
COMMIT
BEGIN
table public.table_without_key: UPDATE: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_without_key: UPDATE: id[integer]:-2 data[integer]:3
COMMIT
BEGIN
table public.table_without_key: UPDATE: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_without_key: UPDATE: old-key: id[integer]:2 data[integer]:3 new-tuple: id[integer]:-2 data[integer]:3
COMMIT
BEGIN
table public.table_without_key: UPDATE: old-key: id[integer]:-2 data[integer]:3 new-tuple: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_without_key: UPDATE: old-key: id[integer]:2 data[integer]:3 new-tuple: id[integer]:-2 data[integer]:3 new_column[text]:null
COMMIT
BEGIN
table public.table_without_key: UPDATE: old-key: id[integer]:-2 data[integer]:3 new-tuple: id[integer]:2 data[integer]:3 new_column[text]:'someval'
COMMIT
BEGIN
table public.table_without_key: DELETE: id[integer]:2 data[integer]:3 new_column[text]:'someval'
COMMIT
BEGIN
table public.table_with_pkey: INSERT: id[integer]:1 data[integer]:1
table public.table_with_pkey: INSERT: id[integer]:2 data[integer]:2
COMMIT
BEGIN
table public.table_with_pkey: DELETE: id[integer]:1
COMMIT
BEGIN
table public.table_with_pkey: UPDATE: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_with_pkey: UPDATE: old-key: id[integer]:2 new-tuple: id[integer]:-2 data[integer]:3
COMMIT
BEGIN
table public.table_with_pkey: UPDATE: old-key: id[integer]:-2 new-tuple: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_with_pkey: UPDATE: old-key: id[integer]:2 new-tuple: id[integer]:-2 data[integer]:3
COMMIT
BEGIN
table public.table_with_pkey: UPDATE: old-key: id[integer]:-2 new-tuple: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_with_pkey: DELETE: id[integer]:2
COMMIT
BEGIN
table public.table_with_unique_not_null: INSERT: id[integer]:1 data[integer]:1
table public.table_with_unique_not_null: INSERT: id[integer]:2 data[integer]:2
COMMIT
BEGIN
table public.table_with_unique_not_null: DELETE: (no-tuple-data)
COMMIT
BEGIN
table public.table_with_unique_not_null: UPDATE: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_with_unique_not_null: UPDATE: id[integer]:-2 data[integer]:3
COMMIT
BEGIN
table public.table_with_unique_not_null: UPDATE: id[integer]:2 data[integer]:3
COMMIT
BEGIN
table public.table_with_unique_not_null: DELETE: (no-tuple-data)
COMMIT
BEGIN
table public.table_with_unique_not_null: INSERT: id[integer]:3 data[integer]:1
table public.table_with_unique_not_null: INSERT: id[integer]:4 data[integer]:2
COMMIT
BEGIN
table public.table_with_unique_not_null: DELETE: id[integer]:3
COMMIT
BEGIN
table public.table_with_unique_not_null: UPDATE: id[integer]:4 data[integer]:3
COMMIT
BEGIN
table public.table_with_unique_not_null: UPDATE: old-key: id[integer]:4 new-tuple: id[integer]:-4 data[integer]:3
COMMIT
BEGIN
table public.table_with_unique_not_null: UPDATE: old-key: id[integer]:-4 new-tuple: id[integer]:4 data[integer]:3
COMMIT
BEGIN
table public.table_with_unique_not_null: DELETE: id[integer]:4
COMMIT
BEGIN
table public.table_dropped_index_with_pk: INSERT: a[integer]:1 b[integer]:1 c[integer]:1
table public.table_dropped_index_with_pk: INSERT: a[integer]:2 b[integer]:2 c[integer]:2
table public.table_dropped_index_with_pk: INSERT: a[integer]:3 b[integer]:3 c[integer]:3
COMMIT
BEGIN
table public.table_dropped_index_with_pk: UPDATE: a[integer]:4 b[integer]:1 c[integer]:1
COMMIT
BEGIN
table public.table_dropped_index_with_pk: UPDATE: a[integer]:2 b[integer]:5 c[integer]:2
COMMIT
BEGIN
table public.table_dropped_index_with_pk: UPDATE: a[integer]:3 b[integer]:6 c[integer]:7
COMMIT
BEGIN
table public.table_dropped_index_with_pk: DELETE: (no-tuple-data)
COMMIT
BEGIN
table public.table_dropped_index_with_pk: DELETE: (no-tuple-data)
COMMIT
BEGIN
table public.table_dropped_index_no_pk: INSERT: a[integer]:1 b[integer]:1 c[integer]:1
table public.table_dropped_index_no_pk: INSERT: a[integer]:2 b[integer]:2 c[integer]:2
table public.table_dropped_index_no_pk: INSERT: a[integer]:3 b[integer]:3 c[integer]:3
COMMIT
BEGIN
table public.table_dropped_index_no_pk: UPDATE: a[integer]:4 b[integer]:1 c[integer]:1
COMMIT
BEGIN
table public.table_dropped_index_no_pk: UPDATE: a[integer]:2 b[integer]:5 c[integer]:2
COMMIT
BEGIN
table public.table_dropped_index_no_pk: UPDATE: a[integer]:3 b[integer]:6 c[integer]:7
COMMIT
BEGIN
table public.table_dropped_index_no_pk: DELETE: (no-tuple-data)
COMMIT
BEGIN
table public.table_dropped_index_no_pk: DELETE: (no-tuple-data)
COMMIT
BEGIN
table public.toasttable: INSERT: id[integer]:1 toasted_col1[text]:'123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152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rand1[double precision]:79 toasted_col2[text]:null rand2[double precision]:1578
COMMIT
BEGIN
table public.toasttable: INSERT: id[integer]:2 toasted_col1[text]:null rand1[double precision]:3077 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04960497049804990500' rand2[double precision]:4576
COMMIT
BEGIN
table public.toasttable: UPDATE: id[integer]:1 toasted_col1[text]:'12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000' rand1[double precision]:79 toasted_col2[text]:null rand2[double precision]:1578
COMMIT
(143 rows)
\pset format aligned
INSERT INTO toasttable(toasted_col1) SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i);
-- update of second column, first column unchanged
UPDATE toasttable
SET toasted_col2 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i))
WHERE id = 1;
-- make sure we decode correctly even if the toast table is gone
DROP TABLE toasttable;
\pset format unaligned
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
BEGIN
table public.toasttable: INSERT: id[integer]:3 toasted_col1[text]:'12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000' rand1[double precision]:6075 toasted_col2[text]:null rand2[double precision]:7574
COMMIT
BEGIN
table public.toasttable: UPDATE: id[integer]:1 toasted_col1[text]:unchanged-toast-datum rand1[double precision]:79 toasted_col2[text]:'123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152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rand2[double precision]:1578
COMMIT
(6 rows)
-- done, free logical replication slot
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
data
(0 rows)
\pset format aligned
SELECT pg_drop_replication_slot('regression_slot');
pg_drop_replication_slot
--------------------------
(1 row)
/* check that the slot is gone */
\x
SELECT * FROM pg_replication_slots;
(0 rows)
\x
|
