mirror of https://github.com/postgres/postgres
116 lines
3.9 KiB
Plaintext
116 lines
3.9 KiB
Plaintext
SET synchronous_commit = on;
|
|
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
|
|
?column?
|
|
----------
|
|
init
|
|
(1 row)
|
|
|
|
CREATE TABLE stream_test(data text);
|
|
-- consume DDL
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
|
data
|
|
------
|
|
(0 rows)
|
|
|
|
-- streaming test with sub-transaction
|
|
BEGIN;
|
|
savepoint s1;
|
|
SELECT 'msg5' FROM pg_logical_emit_message(true, 'test', repeat('a', 50));
|
|
?column?
|
|
----------
|
|
msg5
|
|
(1 row)
|
|
|
|
INSERT INTO stream_test SELECT repeat('a', 2000) || g.i FROM generate_series(1, 35) g(i);
|
|
TRUNCATE table stream_test;
|
|
rollback to s1;
|
|
INSERT INTO stream_test SELECT repeat('a', 10) || g.i FROM generate_series(1, 20) g(i);
|
|
COMMIT;
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
|
|
data
|
|
----------------------------------------------------------
|
|
streaming message: transactional: 1 prefix: test, sz: 50
|
|
opening a streamed block for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
closing a streamed block for transaction
|
|
committing streamed transaction
|
|
(24 rows)
|
|
|
|
-- streaming test for toast changes
|
|
ALTER TABLE stream_test ALTER COLUMN data set storage external;
|
|
-- consume DDL
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
|
data
|
|
------
|
|
(0 rows)
|
|
|
|
INSERT INTO stream_test SELECT repeat('a', 6000) || g.i FROM generate_series(1, 10) g(i);
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
|
|
data
|
|
------------------------------------------
|
|
opening a streamed block for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
closing a streamed block for transaction
|
|
committing streamed transaction
|
|
(13 rows)
|
|
|
|
-- streaming test for toast with multi-insert
|
|
\COPY stream_test FROM STDIN
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');
|
|
data
|
|
------------------------------------------
|
|
opening a streamed block for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
streaming change for transaction
|
|
closing a streamed block for transaction
|
|
opening a streamed block for transaction
|
|
streaming change for transaction
|
|
closing a streamed block for transaction
|
|
committing streamed transaction
|
|
(17 rows)
|
|
|
|
DROP TABLE stream_test;
|
|
SELECT pg_drop_replication_slot('regression_slot');
|
|
pg_drop_replication_slot
|
|
--------------------------
|
|
|
|
(1 row)
|
|
|