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mariadb/mysql-test/suite/galera/t/galera_sequences_transaction.test
Denis Protivensky 3de6d11321 MDEV-34124: Improve sequences replication with Galera 
- use shared key for sequence update certification
- employ native replication's code to apply changes for sequences
which handles all corner cases properly
- fix the tests to allow more transactions using sequences to be
accepted

That way the sequence is always updated to the maximum value
independent of the order of updates, and shared certification keys
allow to improve acceptance ratio of concurrent transactions that
use sequences. It's reflected in the test changes.
2025-11-25 13:01:26 +02:00

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--source include/galera_cluster.inc
--source include/have_sequence.inc
--disable_ps2_protocol
#
# Case 1: Separate transactions from few connections
#
--connection node_1
CREATE SEQUENCE s INCREMENT=0 CACHE=5 ENGINE=InnoDB;
CREATE TABLE t1 (f1 INT PRIMARY KEY DEFAULT NEXTVAL(s), f2 INT) ENGINE=InnoDB;
--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
--connection node_1
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
COMMIT;
--connection node_2
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
COMMIT;
--connection node_2a
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
COMMIT;
--connection node_1a
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
COMMIT;
--connection node_2
SELECT LASTVAL(s);
--connection node_1
SELECT LASTVAL(s);
--connection node_2a
SELECT LASTVAL(s);
--connection node_1a
SELECT LASTVAL(s);
--connection node_1
SELECT * FROM t1;
--connection node_2
SELECT * FROM t1;
--connection node_1
DROP TABLE t1;
DROP SEQUENCE s;
#
# Case 2: All rollback
#
--connection node_1
CREATE SEQUENCE s INCREMENT=0 CACHE=5 ENGINE=InnoDB;
CREATE TABLE t1 (f1 INT PRIMARY KEY DEFAULT NEXTVAL(s), f2 INT) ENGINE=InnoDB;
--connection node_1
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
ROLLBACK;
--connection node_2
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
ROLLBACK;
--connection node_2a
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
ROLLBACK;
--connection node_1a
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
ROLLBACK;
--connection node_2
SELECT LASTVAL(s);
--connection node_1
SELECT LASTVAL(s);
--connection node_2a
SELECT LASTVAL(s);
--connection node_1a
SELECT LASTVAL(s);
--connection node_1
SELECT * FROM t1;
--connection node_2
SELECT * FROM t1;
--connection node_1
DROP TABLE t1;
DROP SEQUENCE s;
#
# Case 3: Mixed transactions
#
--connection node_1
CREATE SEQUENCE s INCREMENT=0 CACHE=5 ENGINE=InnoDB;
CREATE TABLE t1 (f1 INT PRIMARY KEY DEFAULT NEXTVAL(s), f2 INT) ENGINE=InnoDB;
--connection node_1
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
--connection node_1a
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
--connection node_2a
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
--connection node_2
BEGIN;
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
INSERT INTO t1(f2) values (1);
--connection node_1
COMMIT;
--connection node_1a
ROLLBACK;
--connection node_2
COMMIT;
--connection node_2a
ROLLBACK;
--connection node_2
SELECT LASTVAL(s);
--connection node_1
SELECT LASTVAL(s);
--connection node_2a
SELECT LASTVAL(s);
--connection node_1a
SELECT LASTVAL(s);
--connection node_1
SELECT * FROM t1;
--connection node_2
SELECT * FROM t1;
--connection node_1
DROP TABLE t1;
DROP SEQUENCE s;
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