2022-02-12 00:46:07 +01:00
|
|
|
-- predictability
|
|
|
|
SET synchronous_commit = on;
|
|
|
|
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
|
|
|
|
|
|
|
|
CREATE SEQUENCE test_sequence;
|
|
|
|
|
|
|
|
-- test the sequence changes by several nextval() calls
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
|
|
|
|
-- test the sequence changes by several ALTER commands
|
|
|
|
ALTER SEQUENCE test_sequence INCREMENT BY 10;
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
|
|
|
|
ALTER SEQUENCE test_sequence START WITH 3000;
|
|
|
|
ALTER SEQUENCE test_sequence MAXVALUE 10000;
|
|
|
|
ALTER SEQUENCE test_sequence RESTART WITH 4000;
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
|
|
|
|
-- test the sequence changes by several setval() calls
|
|
|
|
SELECT setval('test_sequence', 3500);
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT setval('test_sequence', 3500, true);
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT setval('test_sequence', 3500, false);
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
|
|
|
|
-- show results and drop sequence
|
2022-02-12 23:50:42 +01:00
|
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
2022-02-12 00:46:07 +01:00
|
|
|
DROP SEQUENCE test_sequence;
|
|
|
|
|
|
|
|
-- rollback on sequence creation and update
|
|
|
|
BEGIN;
|
|
|
|
CREATE SEQUENCE test_sequence;
|
|
|
|
CREATE TABLE test_table (a INT);
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT setval('test_sequence', 3000);
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
ALTER SEQUENCE test_sequence RESTART WITH 6000;
|
|
|
|
INSERT INTO test_table VALUES( (SELECT nextval('test_sequence')) );
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
ROLLBACK;
|
|
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
|
|
|
|
|
|
|
-- rollback on table creation with serial column
|
|
|
|
BEGIN;
|
|
|
|
CREATE TABLE test_table (a SERIAL, b INT);
|
|
|
|
INSERT INTO test_table (b) VALUES (100);
|
|
|
|
INSERT INTO test_table (b) VALUES (200);
|
|
|
|
INSERT INTO test_table (b) VALUES (300);
|
|
|
|
SELECT setval('test_table_a_seq', 3000);
|
|
|
|
INSERT INTO test_table (b) VALUES (400);
|
|
|
|
INSERT INTO test_table (b) VALUES (500);
|
|
|
|
INSERT INTO test_table (b) VALUES (600);
|
|
|
|
ALTER SEQUENCE test_table_a_seq RESTART WITH 6000;
|
|
|
|
INSERT INTO test_table (b) VALUES (700);
|
|
|
|
INSERT INTO test_table (b) VALUES (800);
|
|
|
|
INSERT INTO test_table (b) VALUES (900);
|
|
|
|
ROLLBACK;
|
|
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
|
|
|
|
|
|
|
-- rollback on table with serial column
|
|
|
|
CREATE TABLE test_table (a SERIAL, b INT);
|
|
|
|
|
|
|
|
BEGIN;
|
|
|
|
INSERT INTO test_table (b) VALUES (100);
|
|
|
|
INSERT INTO test_table (b) VALUES (200);
|
|
|
|
INSERT INTO test_table (b) VALUES (300);
|
|
|
|
SELECT setval('test_table_a_seq', 3000);
|
|
|
|
INSERT INTO test_table (b) VALUES (400);
|
|
|
|
INSERT INTO test_table (b) VALUES (500);
|
|
|
|
INSERT INTO test_table (b) VALUES (600);
|
|
|
|
ALTER SEQUENCE test_table_a_seq RESTART WITH 6000;
|
|
|
|
INSERT INTO test_table (b) VALUES (700);
|
|
|
|
INSERT INTO test_table (b) VALUES (800);
|
|
|
|
INSERT INTO test_table (b) VALUES (900);
|
|
|
|
ROLLBACK;
|
|
|
|
|
|
|
|
-- check table and sequence values after rollback
|
|
|
|
SELECT * from test_table_a_seq;
|
|
|
|
SELECT nextval('test_table_a_seq');
|
|
|
|
|
|
|
|
DROP TABLE test_table;
|
2022-02-12 23:50:42 +01:00
|
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
2022-02-12 00:46:07 +01:00
|
|
|
|
|
|
|
-- savepoint test on table with serial column
|
|
|
|
BEGIN;
|
|
|
|
CREATE TABLE test_table (a SERIAL, b INT);
|
|
|
|
INSERT INTO test_table (b) VALUES (100);
|
|
|
|
INSERT INTO test_table (b) VALUES (200);
|
|
|
|
SAVEPOINT a;
|
|
|
|
INSERT INTO test_table (b) VALUES (300);
|
|
|
|
ROLLBACK TO SAVEPOINT a;
|
|
|
|
DROP TABLE test_table;
|
|
|
|
COMMIT;
|
2022-02-12 23:50:42 +01:00
|
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
2022-02-12 00:46:07 +01:00
|
|
|
|
|
|
|
-- savepoint test on table with serial column
|
|
|
|
BEGIN;
|
|
|
|
CREATE SEQUENCE test_sequence;
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SELECT setval('test_sequence', 3000);
|
|
|
|
SELECT nextval('test_sequence');
|
|
|
|
SAVEPOINT a;
|
|
|
|
ALTER SEQUENCE test_sequence START WITH 7000;
|
|
|
|
SELECT setval('test_sequence', 5000);
|
|
|
|
ROLLBACK TO SAVEPOINT a;
|
|
|
|
SELECT * FROM test_sequence;
|
|
|
|
DROP SEQUENCE test_sequence;
|
|
|
|
COMMIT;
|
2022-02-12 23:50:42 +01:00
|
|
|
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
|
2022-02-12 00:46:07 +01:00
|
|
|
|
|
|
|
SELECT pg_drop_replication_slot('regression_slot');
|