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|
-- predictability
SET synchronous_commit = on;
DROP TABLE IF EXISTS xpto;
NOTICE: table "xpto" does not exist, skipping
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
?column?
----------
init
(1 row)
CREATE SEQUENCE xpto_rand_seq START 79 INCREMENT 1499; -- portable "random"
CREATE TABLE xpto (
id serial primary key,
toasted_col1 text,
rand1 float8 DEFAULT nextval('xpto_rand_seq'),
toasted_col2 text,
rand2 float8 DEFAULT nextval('xpto_rand_seq')
);
-- uncompressed external toast data
INSERT INTO xpto (toasted_col1, toasted_col2) SELECT string_agg(g.i::text, ''), string_agg((g.i*2)::text, '') FROM generate_series(1, 2000) g(i);
-- compressed external toast data
INSERT INTO xpto (toasted_col2) SELECT repeat(string_agg(to_char(g.i, 'FM0000'), ''), 50) FROM generate_series(1, 500) g(i);
-- update of existing column
UPDATE xpto SET toasted_col1 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i)) WHERE id = 1;
UPDATE xpto SET rand1 = 123.456 WHERE id = 1;
-- updating external via INSERT ... ON CONFLICT DO UPDATE
INSERT INTO xpto(id, toasted_col2) VALUES (2, 'toasted2-upsert')
ON CONFLICT (id)
DO UPDATE SET toasted_col2 = EXCLUDED.toasted_col2 || xpto.toasted_col2;
DELETE FROM xpto WHERE id = 1;
DROP TABLE IF EXISTS toasted_key;
NOTICE: table "toasted_key" does not exist, skipping
CREATE TABLE toasted_key (
id serial,
toasted_key text PRIMARY KEY,
toasted_col1 text,
toasted_col2 text
);
ALTER TABLE toasted_key ALTER COLUMN toasted_key SET STORAGE EXTERNAL;
ALTER TABLE toasted_key ALTER COLUMN toasted_col1 SET STORAGE EXTERNAL;
INSERT INTO toasted_key(toasted_key, toasted_col1) VALUES(repeat('1234567890', 200), repeat('9876543210', 200));
-- test update of a toasted key without changing it
UPDATE toasted_key SET toasted_col2 = toasted_col1;
-- test update of a toasted key, changing it
UPDATE toasted_key SET toasted_key = toasted_key || '1';
DELETE FROM toasted_key;
-- Test that HEAP2_MULTI_INSERT insertions with and without toasted
-- columns are handled correctly
CREATE TABLE toasted_copy (
id int primary key, -- no default, copy didn't use to handle that with multi inserts
data text
);
ALTER TABLE toasted_copy ALTER COLUMN data SET STORAGE EXTERNAL;
\copy toasted_copy FROM STDIN
SELECT substr(data, 1, 200) FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
substr
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.xpto: INSERT: id[integer]:1 toasted_col1[text]:'1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374
COMMIT
BEGIN
table public.xpto: INSERT: id[integer]:2 toasted_col1[text]:null rand1[double precision]:3077 toasted_col2[text]:'00010002000300040005000600070008000900100011001200130014001500160017001800190020002100
COMMIT
BEGIN
table public.xpto: UPDATE: id[integer]:1 toasted_col1[text]:'1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374
COMMIT
BEGIN
table public.xpto: UPDATE: id[integer]:1 toasted_col1[text]:unchanged-toast-datum rand1[double precision]:123.456 toasted_col2[text]:unchanged-toast-datum rand2[double precision]:1578
COMMIT
BEGIN
table public.xpto: UPDATE: id[integer]:2 toasted_col1[text]:null rand1[double precision]:3077 toasted_col2[text]:'toasted2-upsert00010002000300040005000600070008000900100011001200130014001500160017001
COMMIT
BEGIN
table public.xpto: DELETE: id[integer]:1
COMMIT
BEGIN
table public.toasted_key: INSERT: id[integer]:1 toasted_key[text]:'1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123
COMMIT
BEGIN
table public.toasted_key: UPDATE: old-key: toasted_key[text]:'123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
COMMIT
BEGIN
table public.toasted_key: UPDATE: old-key: toasted_key[text]:'123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
COMMIT
BEGIN
table public.toasted_key: DELETE: toasted_key[text]:'123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567
COMMIT
BEGIN
table public.toasted_copy: INSERT: id[integer]:1 data[text]:'untoasted1'
table public.toasted_copy: INSERT: id[integer]:2 data[text]:'toasted1-1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
table public.toasted_copy: INSERT: id[integer]:3 data[text]:'untoasted2'
table public.toasted_copy: INSERT: id[integer]:4 data[text]:'toasted2-1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
table public.toasted_copy: INSERT: id[integer]:5 data[text]:'untoasted3'
table public.toasted_copy: INSERT: id[integer]:6 data[text]:'untoasted4'
table public.toasted_copy: INSERT: id[integer]:7 data[text]:'untoasted5'
table public.toasted_copy: INSERT: id[integer]:8 data[text]:'untoasted6'
table public.toasted_copy: INSERT: id[integer]:9 data[text]:'untoasted7'
table public.toasted_copy: INSERT: id[integer]:10 data[text]:'untoasted8'
table public.toasted_copy: INSERT: id[integer]:11 data[text]:'untoasted9'
table public.toasted_copy: INSERT: id[integer]:12 data[text]:'untoasted10'
table public.toasted_copy: INSERT: id[integer]:13 data[text]:'untoasted11'
table public.toasted_copy: INSERT: id[integer]:14 data[text]:'untoasted12'
table public.toasted_copy: INSERT: id[integer]:15 data[text]:'untoasted13'
table public.toasted_copy: INSERT: id[integer]:16 data[text]:'untoasted14'
table public.toasted_copy: INSERT: id[integer]:17 data[text]:'untoasted15'
table public.toasted_copy: INSERT: id[integer]:18 data[text]:'untoasted16'
table public.toasted_copy: INSERT: id[integer]:19 data[text]:'untoasted17'
table public.toasted_copy: INSERT: id[integer]:20 data[text]:'untoasted18'
table public.toasted_copy: INSERT: id[integer]:21 data[text]:'untoasted19'
table public.toasted_copy: INSERT: id[integer]:22 data[text]:'untoasted20'
table public.toasted_copy: INSERT: id[integer]:23 data[text]:'untoasted21'
table public.toasted_copy: INSERT: id[integer]:24 data[text]:'untoasted22'
table public.toasted_copy: INSERT: id[integer]:25 data[text]:'untoasted23'
table public.toasted_copy: INSERT: id[integer]:26 data[text]:'untoasted24'
table public.toasted_copy: INSERT: id[integer]:27 data[text]:'untoasted25'
table public.toasted_copy: INSERT: id[integer]:28 data[text]:'untoasted26'
table public.toasted_copy: INSERT: id[integer]:29 data[text]:'untoasted27'
table public.toasted_copy: INSERT: id[integer]:30 data[text]:'untoasted28'
table public.toasted_copy: INSERT: id[integer]:31 data[text]:'untoasted29'
table public.toasted_copy: INSERT: id[integer]:32 data[text]:'untoasted30'
table public.toasted_copy: INSERT: id[integer]:33 data[text]:'untoasted31'
table public.toasted_copy: INSERT: id[integer]:34 data[text]:'untoasted32'
table public.toasted_copy: INSERT: id[integer]:35 data[text]:'untoasted33'
table public.toasted_copy: INSERT: id[integer]:36 data[text]:'untoasted34'
table public.toasted_copy: INSERT: id[integer]:37 data[text]:'untoasted35'
table public.toasted_copy: INSERT: id[integer]:38 data[text]:'untoasted36'
table public.toasted_copy: INSERT: id[integer]:39 data[text]:'untoasted37'
table public.toasted_copy: INSERT: id[integer]:40 data[text]:'untoasted38'
table public.toasted_copy: INSERT: id[integer]:41 data[text]:'untoasted39'
table public.toasted_copy: INSERT: id[integer]:42 data[text]:'untoasted40'
table public.toasted_copy: INSERT: id[integer]:43 data[text]:'untoasted41'
table public.toasted_copy: INSERT: id[integer]:44 data[text]:'untoasted42'
table public.toasted_copy: INSERT: id[integer]:45 data[text]:'untoasted43'
table public.toasted_copy: INSERT: id[integer]:46 data[text]:'untoasted44'
table public.toasted_copy: INSERT: id[integer]:47 data[text]:'untoasted45'
table public.toasted_copy: INSERT: id[integer]:48 data[text]:'untoasted46'
table public.toasted_copy: INSERT: id[integer]:49 data[text]:'untoasted47'
table public.toasted_copy: INSERT: id[integer]:50 data[text]:'untoasted48'
table public.toasted_copy: INSERT: id[integer]:51 data[text]:'untoasted49'
table public.toasted_copy: INSERT: id[integer]:52 data[text]:'untoasted50'
table public.toasted_copy: INSERT: id[integer]:53 data[text]:'untoasted51'
table public.toasted_copy: INSERT: id[integer]:54 data[text]:'untoasted52'
table public.toasted_copy: INSERT: id[integer]:55 data[text]:'untoasted53'
table public.toasted_copy: INSERT: id[integer]:56 data[text]:'untoasted54'
table public.toasted_copy: INSERT: id[integer]:57 data[text]:'untoasted55'
table public.toasted_copy: INSERT: id[integer]:58 data[text]:'untoasted56'
table public.toasted_copy: INSERT: id[integer]:59 data[text]:'untoasted57'
table public.toasted_copy: INSERT: id[integer]:60 data[text]:'untoasted58'
table public.toasted_copy: INSERT: id[integer]:61 data[text]:'untoasted59'
table public.toasted_copy: INSERT: id[integer]:62 data[text]:'untoasted60'
table public.toasted_copy: INSERT: id[integer]:63 data[text]:'untoasted61'
table public.toasted_copy: INSERT: id[integer]:64 data[text]:'untoasted62'
table public.toasted_copy: INSERT: id[integer]:65 data[text]:'untoasted63'
table public.toasted_copy: INSERT: id[integer]:66 data[text]:'untoasted64'
table public.toasted_copy: INSERT: id[integer]:67 data[text]:'untoasted65'
table public.toasted_copy: INSERT: id[integer]:68 data[text]:'untoasted66'
table public.toasted_copy: INSERT: id[integer]:69 data[text]:'untoasted67'
table public.toasted_copy: INSERT: id[integer]:70 data[text]:'untoasted68'
table public.toasted_copy: INSERT: id[integer]:71 data[text]:'untoasted69'
table public.toasted_copy: INSERT: id[integer]:72 data[text]:'untoasted70'
table public.toasted_copy: INSERT: id[integer]:73 data[text]:'untoasted71'
table public.toasted_copy: INSERT: id[integer]:74 data[text]:'untoasted72'
table public.toasted_copy: INSERT: id[integer]:75 data[text]:'untoasted73'
table public.toasted_copy: INSERT: id[integer]:76 data[text]:'untoasted74'
table public.toasted_copy: INSERT: id[integer]:77 data[text]:'untoasted75'
table public.toasted_copy: INSERT: id[integer]:78 data[text]:'untoasted76'
table public.toasted_copy: INSERT: id[integer]:79 data[text]:'untoasted77'
table public.toasted_copy: INSERT: id[integer]:80 data[text]:'untoasted78'
table public.toasted_copy: INSERT: id[integer]:81 data[text]:'untoasted79'
table public.toasted_copy: INSERT: id[integer]:82 data[text]:'untoasted80'
table public.toasted_copy: INSERT: id[integer]:83 data[text]:'untoasted81'
table public.toasted_copy: INSERT: id[integer]:84 data[text]:'untoasted82'
table public.toasted_copy: INSERT: id[integer]:85 data[text]:'untoasted83'
table public.toasted_copy: INSERT: id[integer]:86 data[text]:'untoasted84'
table public.toasted_copy: INSERT: id[integer]:87 data[text]:'untoasted85'
table public.toasted_copy: INSERT: id[integer]:88 data[text]:'untoasted86'
table public.toasted_copy: INSERT: id[integer]:89 data[text]:'untoasted87'
table public.toasted_copy: INSERT: id[integer]:90 data[text]:'untoasted88'
table public.toasted_copy: INSERT: id[integer]:91 data[text]:'untoasted89'
table public.toasted_copy: INSERT: id[integer]:92 data[text]:'untoasted90'
table public.toasted_copy: INSERT: id[integer]:93 data[text]:'untoasted91'
table public.toasted_copy: INSERT: id[integer]:94 data[text]:'untoasted92'
table public.toasted_copy: INSERT: id[integer]:95 data[text]:'untoasted93'
table public.toasted_copy: INSERT: id[integer]:96 data[text]:'untoasted94'
table public.toasted_copy: INSERT: id[integer]:97 data[text]:'untoasted95'
table public.toasted_copy: INSERT: id[integer]:98 data[text]:'untoasted96'
table public.toasted_copy: INSERT: id[integer]:99 data[text]:'untoasted97'
table public.toasted_copy: INSERT: id[integer]:100 data[text]:'untoasted98'
table public.toasted_copy: INSERT: id[integer]:101 data[text]:'untoasted99'
table public.toasted_copy: INSERT: id[integer]:102 data[text]:'untoasted100'
table public.toasted_copy: INSERT: id[integer]:103 data[text]:'untoasted101'
table public.toasted_copy: INSERT: id[integer]:104 data[text]:'untoasted102'
table public.toasted_copy: INSERT: id[integer]:105 data[text]:'untoasted103'
table public.toasted_copy: INSERT: id[integer]:106 data[text]:'untoasted104'
table public.toasted_copy: INSERT: id[integer]:107 data[text]:'untoasted105'
table public.toasted_copy: INSERT: id[integer]:108 data[text]:'untoasted106'
table public.toasted_copy: INSERT: id[integer]:109 data[text]:'untoasted107'
table public.toasted_copy: INSERT: id[integer]:110 data[text]:'untoasted108'
table public.toasted_copy: INSERT: id[integer]:111 data[text]:'untoasted109'
table public.toasted_copy: INSERT: id[integer]:112 data[text]:'untoasted110'
table public.toasted_copy: INSERT: id[integer]:113 data[text]:'untoasted111'
table public.toasted_copy: INSERT: id[integer]:114 data[text]:'untoasted112'
table public.toasted_copy: INSERT: id[integer]:115 data[text]:'untoasted113'
table public.toasted_copy: INSERT: id[integer]:116 data[text]:'untoasted114'
table public.toasted_copy: INSERT: id[integer]:117 data[text]:'untoasted115'
table public.toasted_copy: INSERT: id[integer]:118 data[text]:'untoasted116'
table public.toasted_copy: INSERT: id[integer]:119 data[text]:'untoasted117'
table public.toasted_copy: INSERT: id[integer]:120 data[text]:'untoasted118'
table public.toasted_copy: INSERT: id[integer]:121 data[text]:'untoasted119'
table public.toasted_copy: INSERT: id[integer]:122 data[text]:'untoasted120'
table public.toasted_copy: INSERT: id[integer]:123 data[text]:'untoasted121'
table public.toasted_copy: INSERT: id[integer]:124 data[text]:'untoasted122'
table public.toasted_copy: INSERT: id[integer]:125 data[text]:'untoasted123'
table public.toasted_copy: INSERT: id[integer]:126 data[text]:'untoasted124'
table public.toasted_copy: INSERT: id[integer]:127 data[text]:'untoasted125'
table public.toasted_copy: INSERT: id[integer]:128 data[text]:'untoasted126'
table public.toasted_copy: INSERT: id[integer]:129 data[text]:'untoasted127'
table public.toasted_copy: INSERT: id[integer]:130 data[text]:'untoasted128'
table public.toasted_copy: INSERT: id[integer]:131 data[text]:'untoasted129'
table public.toasted_copy: INSERT: id[integer]:132 data[text]:'untoasted130'
table public.toasted_copy: INSERT: id[integer]:133 data[text]:'untoasted131'
table public.toasted_copy: INSERT: id[integer]:134 data[text]:'untoasted132'
table public.toasted_copy: INSERT: id[integer]:135 data[text]:'untoasted133'
table public.toasted_copy: INSERT: id[integer]:136 data[text]:'untoasted134'
table public.toasted_copy: INSERT: id[integer]:137 data[text]:'untoasted135'
table public.toasted_copy: INSERT: id[integer]:138 data[text]:'untoasted136'
table public.toasted_copy: INSERT: id[integer]:139 data[text]:'untoasted137'
table public.toasted_copy: INSERT: id[integer]:140 data[text]:'untoasted138'
table public.toasted_copy: INSERT: id[integer]:141 data[text]:'untoasted139'
table public.toasted_copy: INSERT: id[integer]:142 data[text]:'untoasted140'
table public.toasted_copy: INSERT: id[integer]:143 data[text]:'untoasted141'
table public.toasted_copy: INSERT: id[integer]:144 data[text]:'untoasted142'
table public.toasted_copy: INSERT: id[integer]:145 data[text]:'untoasted143'
table public.toasted_copy: INSERT: id[integer]:146 data[text]:'untoasted144'
table public.toasted_copy: INSERT: id[integer]:147 data[text]:'untoasted145'
table public.toasted_copy: INSERT: id[integer]:148 data[text]:'untoasted146'
table public.toasted_copy: INSERT: id[integer]:149 data[text]:'untoasted147'
table public.toasted_copy: INSERT: id[integer]:150 data[text]:'untoasted148'
table public.toasted_copy: INSERT: id[integer]:151 data[text]:'untoasted149'
table public.toasted_copy: INSERT: id[integer]:152 data[text]:'untoasted150'
table public.toasted_copy: INSERT: id[integer]:153 data[text]:'untoasted151'
table public.toasted_copy: INSERT: id[integer]:154 data[text]:'untoasted152'
table public.toasted_copy: INSERT: id[integer]:155 data[text]:'untoasted153'
table public.toasted_copy: INSERT: id[integer]:156 data[text]:'untoasted154'
table public.toasted_copy: INSERT: id[integer]:157 data[text]:'untoasted155'
table public.toasted_copy: INSERT: id[integer]:158 data[text]:'untoasted156'
table public.toasted_copy: INSERT: id[integer]:159 data[text]:'untoasted157'
table public.toasted_copy: INSERT: id[integer]:160 data[text]:'untoasted158'
table public.toasted_copy: INSERT: id[integer]:161 data[text]:'untoasted159'
table public.toasted_copy: INSERT: id[integer]:162 data[text]:'untoasted160'
table public.toasted_copy: INSERT: id[integer]:163 data[text]:'untoasted161'
table public.toasted_copy: INSERT: id[integer]:164 data[text]:'untoasted162'
table public.toasted_copy: INSERT: id[integer]:165 data[text]:'untoasted163'
table public.toasted_copy: INSERT: id[integer]:166 data[text]:'untoasted164'
table public.toasted_copy: INSERT: id[integer]:167 data[text]:'untoasted165'
table public.toasted_copy: INSERT: id[integer]:168 data[text]:'untoasted166'
table public.toasted_copy: INSERT: id[integer]:169 data[text]:'untoasted167'
table public.toasted_copy: INSERT: id[integer]:170 data[text]:'untoasted168'
table public.toasted_copy: INSERT: id[integer]:171 data[text]:'untoasted169'
table public.toasted_copy: INSERT: id[integer]:172 data[text]:'untoasted170'
table public.toasted_copy: INSERT: id[integer]:173 data[text]:'untoasted171'
table public.toasted_copy: INSERT: id[integer]:174 data[text]:'untoasted172'
table public.toasted_copy: INSERT: id[integer]:175 data[text]:'untoasted173'
table public.toasted_copy: INSERT: id[integer]:176 data[text]:'untoasted174'
table public.toasted_copy: INSERT: id[integer]:177 data[text]:'untoasted175'
table public.toasted_copy: INSERT: id[integer]:178 data[text]:'untoasted176'
table public.toasted_copy: INSERT: id[integer]:179 data[text]:'untoasted177'
table public.toasted_copy: INSERT: id[integer]:180 data[text]:'untoasted178'
table public.toasted_copy: INSERT: id[integer]:181 data[text]:'untoasted179'
table public.toasted_copy: INSERT: id[integer]:182 data[text]:'untoasted180'
table public.toasted_copy: INSERT: id[integer]:183 data[text]:'untoasted181'
table public.toasted_copy: INSERT: id[integer]:184 data[text]:'untoasted182'
table public.toasted_copy: INSERT: id[integer]:185 data[text]:'untoasted183'
table public.toasted_copy: INSERT: id[integer]:186 data[text]:'untoasted184'
table public.toasted_copy: INSERT: id[integer]:187 data[text]:'untoasted185'
table public.toasted_copy: INSERT: id[integer]:188 data[text]:'untoasted186'
table public.toasted_copy: INSERT: id[integer]:189 data[text]:'untoasted187'
table public.toasted_copy: INSERT: id[integer]:190 data[text]:'untoasted188'
table public.toasted_copy: INSERT: id[integer]:191 data[text]:'untoasted189'
table public.toasted_copy: INSERT: id[integer]:192 data[text]:'untoasted190'
table public.toasted_copy: INSERT: id[integer]:193 data[text]:'untoasted191'
table public.toasted_copy: INSERT: id[integer]:194 data[text]:'untoasted192'
table public.toasted_copy: INSERT: id[integer]:195 data[text]:'untoasted193'
table public.toasted_copy: INSERT: id[integer]:196 data[text]:'untoasted194'
table public.toasted_copy: INSERT: id[integer]:197 data[text]:'untoasted195'
table public.toasted_copy: INSERT: id[integer]:198 data[text]:'untoasted196'
table public.toasted_copy: INSERT: id[integer]:199 data[text]:'untoasted197'
table public.toasted_copy: INSERT: id[integer]:200 data[text]:'untoasted198'
table public.toasted_copy: INSERT: id[integer]:201 data[text]:'toasted3-12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
table public.toasted_copy: INSERT: id[integer]:202 data[text]:'untoasted199'
table public.toasted_copy: INSERT: id[integer]:203 data[text]:'untoasted200'
COMMIT
(235 rows)
-- test we can decode "old" tuples bigger than the max heap tuple size correctly
DROP TABLE IF EXISTS toasted_several;
NOTICE: table "toasted_several" does not exist, skipping
CREATE TABLE toasted_several (
id serial unique not null,
toasted_key text primary key,
toasted_col1 text,
toasted_col2 text
);
ALTER TABLE toasted_several REPLICA IDENTITY FULL;
ALTER TABLE toasted_several ALTER COLUMN toasted_key SET STORAGE EXTERNAL;
ALTER TABLE toasted_several ALTER COLUMN toasted_col1 SET STORAGE EXTERNAL;
ALTER TABLE toasted_several ALTER COLUMN toasted_col2 SET STORAGE EXTERNAL;
-- Change the storage of the index back to EXTENDED, separately from
-- the table. This is currently not doable via DDL, but it is
-- supported internally.
UPDATE pg_attribute SET attstorage = 'x' WHERE attrelid = 'toasted_several_pkey'::regclass AND attname = 'toasted_key';
INSERT INTO toasted_several(toasted_key) VALUES(repeat('9876543210', 10000));
SELECT pg_column_size(toasted_key) > 2^16 FROM toasted_several;
?column?
----------
t
(1 row)
SELECT regexp_replace(data, '^(.{100}).*(.{100})$', '\1..\2') FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
regexp_replace
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.toasted_several: INSERT: id[integer]:1 toasted_key[text]:'98765432109876543210987654321..098765432109876543210987654321098765432109876543210' toasted_col1[text]:null toasted_col2[text]:null
COMMIT
(3 rows)
-- test update of a toasted key without changing it
UPDATE toasted_several SET toasted_col1 = toasted_key;
UPDATE toasted_several SET toasted_col2 = toasted_col1;
SELECT regexp_replace(data, '^(.{100}).*(.{100})$', '\1..\2') FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
regexp_replace
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.toasted_several: INSERT: id[integer]:1 toasted_key[text]:'98765432109876543210987654321..098765432109876543210987654321098765432109876543210' toasted_col1[text]:null toasted_col2[text]:null
COMMIT
BEGIN
table public.toasted_several: UPDATE: old-key: id[integer]:1 toasted_key[text]:'98765432109876543210..432109876543210987654321098765432109876543210987654321098765432109876543210' toasted_col2[text]:null
COMMIT
BEGIN
table public.toasted_several: UPDATE: old-key: id[integer]:1 toasted_key[text]:'98765432109876543210..876543210987654321098765432109876543210987654321098765432109876543210987654321098765432109876543210'
COMMIT
(9 rows)
/*
* update with large tuplebuf, in a transaction large enough to force to spool to disk
*/
BEGIN;
INSERT INTO toasted_several(toasted_key) SELECT * FROM generate_series(1, 10234);
UPDATE toasted_several SET toasted_col1 = toasted_col2 WHERE id = 1;
DELETE FROM toasted_several WHERE id = 1;
COMMIT;
DROP TABLE toasted_several;
SELECT regexp_replace(data, '^(.{100}).*(.{100})$', '\1..\2') FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1')
WHERE data NOT LIKE '%INSERT: %';
regexp_replace
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.toasted_several: UPDATE: old-key: id[integer]:1 toasted_key[text]:'98765432109876543210..7654321098765432109876543210987654321098765432109876543210' toasted_col2[text]:unchanged-toast-datum
table public.toasted_several: DELETE: id[integer]:1 toasted_key[text]:'98765432109876543210987654321..876543210987654321098765432109876543210987654321098765432109876543210987654321098765432109876543210'
COMMIT
(4 rows)
/*
* Test decoding relation rewrite with toast. The insert into tbl2 within the
* same transaction is there to check that there is no remaining toast_hash not
* being reset.
*/
CREATE TABLE tbl1 (a INT, b TEXT);
CREATE TABLE tbl2 (a INT);
ALTER TABLE tbl1 ALTER COLUMN b SET STORAGE EXTERNAL;
BEGIN;
INSERT INTO tbl1 VALUES(1, repeat('a', 4000)) ;
ALTER TABLE tbl1 ADD COLUMN id serial primary key;
INSERT INTO tbl2 VALUES(1);
commit;
SELECT substr(data, 1, 200) FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
substr
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
BEGIN
table public.tbl1: INSERT: a[integer]:1 b[text]:'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
table public.tbl2: INSERT: a[integer]:1
COMMIT
(4 rows)
SELECT pg_drop_replication_slot('regression_slot');
pg_drop_replication_slot
--------------------------
(1 row)
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