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Parsed test spec with 3 sessions
starting permutation: s2b s2txid s1init s3b s3txid s2alter s2c s2b s2txid s3c s2c s1insert s1checkpoint s1start s1insert s1alter s1insert s1start
step s2b: BEGIN;
step s2txid: SELECT pg_current_xact_id() IS NULL;
?column?
--------
f
(1 row)
step s1init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding'); <waiting ...>
step s3b: BEGIN;
step s3txid: SELECT pg_current_xact_id() IS NULL;
?column?
--------
f
(1 row)
step s2alter: ALTER TABLE do_write ADD COLUMN addedbys2 int;
step s2c: COMMIT;
step s2b: BEGIN;
step s2txid: SELECT pg_current_xact_id() IS NULL;
?column?
--------
f
(1 row)
step s3c: COMMIT;
step s1init: <... completed>
?column?
--------
init
(1 row)
step s2c: COMMIT;
step s1insert: INSERT INTO do_write DEFAULT VALUES;
step s1checkpoint: CHECKPOINT;
step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
data
--------------------------------------------------------------------
BEGIN
table public.do_write: INSERT: id[integer]:1 addedbys2[integer]:null
COMMIT
(3 rows)
step s1insert: INSERT INTO do_write DEFAULT VALUES;
step s1alter: ALTER TABLE do_write ADD COLUMN addedbys1 int;
step s1insert: INSERT INTO do_write DEFAULT VALUES;
step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
data
--------------------------------------------------------------------------------------------
BEGIN
table public.do_write: INSERT: id[integer]:2 addedbys2[integer]:null
COMMIT
BEGIN
COMMIT
BEGIN
table public.do_write: INSERT: id[integer]:3 addedbys2[integer]:null addedbys1[integer]:null
COMMIT
(8 rows)
?column?
--------
stop
(1 row)
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