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# Test resizing the InnoDB redo log.
SET GLOBAL innodb_checkpoint_disabled = 1;
SET GLOBAL innodb_fast_shutdown = 2;
CREATE TABLE t1(id INT PRIMARY KEY,bfield BLOB) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,repeat('a',2000)),(2,repeat('b',2000)),
(3,repeat('c',2000));
START TRANSACTION;
INSERT INTO t1 VALUES (11,repeat('a',2000)),(12,repeat('b',2000)),
(13,repeat('c',2000));
SAVEPOINT A;
INSERT INTO t1 VALUES (21,repeat('a',2000)),(22,repeat('b',2000)),
(23,repeat('c',2000));
SAVEPOINT B;
SELECT id,LEFT(bfield,20) FROM t1;
id LEFT(bfield,20)
1 aaaaaaaaaaaaaaaaaaaa
2 bbbbbbbbbbbbbbbbbbbb
3 cccccccccccccccccccc
11 aaaaaaaaaaaaaaaaaaaa
12 bbbbbbbbbbbbbbbbbbbb
13 cccccccccccccccccccc
21 aaaaaaaaaaaaaaaaaaaa
22 bbbbbbbbbbbbbbbbbbbb
23 cccccccccccccccccccc
ROLLBACK TO A;
COMMIT;
SELECT id,LEFT(bfield,20) FROM t1;
id LEFT(bfield,20)
1 aaaaaaaaaaaaaaaaaaaa
2 bbbbbbbbbbbbbbbbbbbb
3 cccccccccccccccccccc
11 aaaaaaaaaaaaaaaaaaaa
12 bbbbbbbbbbbbbbbbbbbb
13 cccccccccccccccccccc
# Restart with different redo log size (20M)
# restart: --innodb-redo-log-capacity=20M --log-error=MYSQLD_LOG
SET GLOBAL innodb_checkpoint_disabled = 1;
SET GLOBAL innodb_fast_shutdown = 2;
Pattern "Starting crash recovery" found
SELECT id,LEFT(bfield,20) FROM t1;
id LEFT(bfield,20)
1 aaaaaaaaaaaaaaaaaaaa
2 bbbbbbbbbbbbbbbbbbbb
3 cccccccccccccccccccc
11 aaaaaaaaaaaaaaaaaaaa
12 bbbbbbbbbbbbbbbbbbbb
13 cccccccccccccccccccc
INSERT INTO t1 VALUES (1,repeat('a',2000)),(2,repeat('b',2000)),
(3,repeat('c',2000));
ERROR 23000: Duplicate entry '1' for key 't1.PRIMARY'
INSERT INTO t1 VALUES (21,repeat('a',2000)),(22,repeat('b',2000)),
(23,repeat('c',2000));
SELECT id,LEFT(bfield,20) FROM t1;
id LEFT(bfield,20)
1 aaaaaaaaaaaaaaaaaaaa
2 bbbbbbbbbbbbbbbbbbbb
3 cccccccccccccccccccc
11 aaaaaaaaaaaaaaaaaaaa
12 bbbbbbbbbbbbbbbbbbbb
13 cccccccccccccccccccc
21 aaaaaaaaaaaaaaaaaaaa
22 bbbbbbbbbbbbbbbbbbbb
23 cccccccccccccccccccc
# Restart with different redo log size (8M)
# restart: --innodb-redo-log-capacity=8M --log-error=MYSQLD_LOG
SET GLOBAL innodb_checkpoint_disabled = 1;
SET GLOBAL innodb_fast_shutdown = 2;
Pattern "Starting crash recovery" found
INSERT INTO t1 VALUES (21,repeat('a',2000));
ERROR 23000: Duplicate entry '21' for key 't1.PRIMARY'
INSERT INTO t1 VALUES (24,repeat('a',2000)),(25,repeat('b',2000));
SELECT id,LEFT(bfield,20) FROM t1;
id LEFT(bfield,20)
1 aaaaaaaaaaaaaaaaaaaa
2 bbbbbbbbbbbbbbbbbbbb
3 cccccccccccccccccccc
11 aaaaaaaaaaaaaaaaaaaa
12 bbbbbbbbbbbbbbbbbbbb
13 cccccccccccccccccccc
21 aaaaaaaaaaaaaaaaaaaa
22 bbbbbbbbbbbbbbbbbbbb
23 cccccccccccccccccccc
24 aaaaaaaaaaaaaaaaaaaa
25 bbbbbbbbbbbbbbbbbbbb
# Restart with default parameters
# restart:
# Cleanup
DROP TABLE t1;
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