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mariadb/mysql-test/suite/galera/r/galera_sequences_transaction.result
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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connection node_2;
connection node_1;
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);
LASTVAL(s)
40
connection node_1;
SELECT LASTVAL(s);
LASTVAL(s)
19
connection node_2a;
SELECT LASTVAL(s);
LASTVAL(s)
60
connection node_1a;
SELECT LASTVAL(s);
LASTVAL(s)
81
connection node_1;
SELECT * FROM t1;
f1 f2
1 1
3 1
5 1
7 1
9 1
11 1
13 1
15 1
17 1
19 1
22 1
24 1
26 1
28 1
30 1
32 1
34 1
36 1
38 1
40 1
42 1
44 1
46 1
48 1
50 1
52 1
54 1
56 1
58 1
60 1
63 1
65 1
67 1
69 1
71 1
73 1
75 1
77 1
79 1
81 1
connection node_2;
SELECT * FROM t1;
f1 f2
1 1
3 1
5 1
7 1
9 1
11 1
13 1
15 1
17 1
19 1
22 1
24 1
26 1
28 1
30 1
32 1
34 1
36 1
38 1
40 1
42 1
44 1
46 1
48 1
50 1
52 1
54 1
56 1
58 1
60 1
63 1
65 1
67 1
69 1
71 1
73 1
75 1
77 1
79 1
81 1
connection node_1;
DROP TABLE t1;
DROP SEQUENCE s;
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);
LASTVAL(s)
20
connection node_1;
SELECT LASTVAL(s);
LASTVAL(s)
19
connection node_2a;
SELECT LASTVAL(s);
LASTVAL(s)
40
connection node_1a;
SELECT LASTVAL(s);
LASTVAL(s)
39
connection node_1;
SELECT * FROM t1;
f1 f2
connection node_2;
SELECT * FROM t1;
f1 f2
connection node_1;
DROP TABLE t1;
DROP SEQUENCE s;
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);
LASTVAL(s)
40
connection node_1;
SELECT LASTVAL(s);
LASTVAL(s)
19
connection node_2a;
SELECT LASTVAL(s);
LASTVAL(s)
20
connection node_1a;
SELECT LASTVAL(s);
LASTVAL(s)
39
connection node_1;
SELECT * FROM t1;
f1 f2
1 1
3 1
5 1
7 1
9 1
11 1
13 1
15 1
17 1
19 1
22 1
24 1
26 1
28 1
30 1
32 1
34 1
36 1
38 1
40 1
connection node_2;
SELECT * FROM t1;
f1 f2
1 1
3 1
5 1
7 1
9 1
11 1
13 1
15 1
17 1
19 1
22 1
24 1
26 1
28 1
30 1
32 1
34 1
36 1
38 1
40 1
connection node_1;
DROP TABLE t1;
DROP SEQUENCE s;
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