mariadb/mysql-test/suite/parts/r/partition_auto_increment_innodb.result

DROP TABLE IF EXISTS t1;
# test without partitioning for reference
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1))
ENGINE='InnoDB';
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
1
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (4);
INSERT INTO t1 VALUES (NULL);
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
6
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
6
INSERT INTO t1 VALUES (0);
INSERT INTO t1 VALUES (5), (16);
INSERT INTO t1 VALUES (17);
INSERT INTO t1 VALUES (19), (NULL);
INSERT INTO t1 VALUES (NULL), (10), (NULL);
INSERT INTO t1 VALUES (NULL);
SET INSERT_ID = 30;
INSERT INTO t1 VALUES (NULL);
UPDATE t1 SET c1 = 50 WHERE c1 = 17;
UPDATE t1 SET c1 = 51 WHERE c1 = 19;
UPDATE t1 SET c1 = NULL WHERE c1 = 4;
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
6
10
20
22
23
25
30
31
32
50
51
DROP TABLE t1;
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1))
ENGINE='InnoDB';
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
FLUSH TABLE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
INSERT INTO t1 VALUES (4);
FLUSH TABLE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
INSERT INTO t1 VALUES (NULL);
FLUSH TABLE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1
DELETE FROM t1;
INSERT INTO t1 VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
SELECT * FROM t1 ORDER BY c1;
c1
6
TRUNCATE TABLE t1;
INSERT INTO t1 VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
SELECT * FROM t1 ORDER BY c1;
c1
1
DROP TABLE t1;
# Simple test with NULL
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1))
ENGINE='InnoDB'
PARTITION BY HASH(c1)
PARTITIONS 2;
INSERT INTO t1 VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1;
c1
1
DROP TABLE t1;
# Test with sql_mode and first insert as 0
CREATE TABLE t1 (
c1 INT,
c2 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c2))
ENGINE='InnoDB'
PARTITION BY HASH(c2)
PARTITIONS 2;
INSERT INTO t1 VALUES (1, NULL);
INSERT INTO t1 VALUES (1, 1), (99, 99);
INSERT INTO t1 VALUES (1, NULL);
SET @@session.sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
INSERT INTO t1 VALUES (1, 0);
SELECT * FROM t1 ORDER BY c1, c2;
c1	c2
1	0
1	1
1	2
DROP TABLE t1;
CREATE TABLE t1 (
c1 INT,
c2 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c2))
ENGINE='InnoDB'
PARTITION BY HASH(c2)
PARTITIONS 2;
INSERT INTO t1 VALUES (1, 0);
INSERT INTO t1 VALUES (1, 1), (1, NULL);
INSERT INTO t1 VALUES (2, NULL), (4, 7);
INSERT INTO t1 VALUES (1, NULL);
SELECT * FROM t1 ORDER BY c1, c2;
c1	c2
1	0
1	1
1	2
1	8
2	3
4	7
SET @@session.sql_mode = '';
DROP TABLE t1;
# Simple test with NULL, 0 and explicit values both incr. and desc.
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1))
ENGINE='InnoDB'
PARTITION BY HASH(c1)
PARTITIONS 2;
INSERT INTO t1 VALUES (2), (4), (NULL);
INSERT INTO t1 VALUES (0);
INSERT INTO t1 VALUES (5), (16);
INSERT INTO t1 VALUES (17), (19), (NULL);
INSERT INTO t1 VALUES (NULL), (10), (NULL);
INSERT INTO t1 VALUES (NULL), (9);
INSERT INTO t1 VALUES (59), (55);
INSERT INTO t1 VALUES (NULL), (90);
INSERT INTO t1 VALUES (NULL);
UPDATE t1 SET c1 = 150 WHERE c1 = 17;
UPDATE t1 SET c1 = 151 WHERE c1 = 19;
UPDATE t1 SET c1 = NULL WHERE c1 = 4;
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
6
9
10
20
21
22
23
55
59
60
90
91
150
151
152
153
DROP TABLE t1;
# Test with auto_increment_increment and auto_increment_offset.
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1))
ENGINE='InnoDB'
PARTITION BY HASH(c1)
PARTITIONS 2;
SET @@session.auto_increment_increment = 10;
SET @@session.auto_increment_offset = 5;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
SET @@session.auto_increment_increment = 5;
SET @@session.auto_increment_offset = 3;
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (33 + 1);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (38 + 2);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (43 + 3);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (48 + 4);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (53 + 5);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (63 + 6);
INSERT INTO t1 VALUES (NULL);
SET @@session.auto_increment_increment = 1;
SET @@session.auto_increment_offset = 1;
SELECT * FROM t1 ORDER BY c1;
c1
1
5
15
25
33
34
38
40
43
46
48
52
53
58
63
69
73
DROP TABLE t1;
# Test reported auto_increment value
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1))
ENGINE='InnoDB'
PARTITION BY HASH (c1)
PARTITIONS 2;
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
1
INSERT INTO t1 VALUES (2);
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
3
INSERT INTO t1 VALUES (4);
INSERT INTO t1 VALUES (NULL);
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
6
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (17);
INSERT INTO t1 VALUES (19);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
22
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
22
INSERT INTO t1 VALUES (10);
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
6
10
17
19
20
21
INSERT INTO t1 VALUES (NULL);
SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
AND TABLE_NAME='t1';
AUTO_INCREMENT
23
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (15);
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
6
10
15
17
19
20
21
22
23
24
INSERT INTO t1 VALUES (NULL);
DELETE FROM t1;
INSERT INTO t1 VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=27 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1 ORDER BY c1;
c1
26
TRUNCATE TABLE t1;
INSERT INTO t1 VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1 ORDER BY c1;
c1
1
DROP TABLE t1;
# Test with two threads
# con default
CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
ENGINE = 'InnoDB'
PARTITION BY HASH(c1)
PARTITIONS 2;
INSERT INTO t1 (c1) VALUES (2);
INSERT INTO t1 (c1) VALUES (4);
# con1
INSERT INTO t1 (c1) VALUES (NULL);
INSERT INTO t1 (c1) VALUES (10);
# con default
INSERT INTO t1 (c1) VALUES (NULL);
INSERT INTO t1 (c1) VALUES (NULL);
INSERT INTO t1 (c1) VALUES (19);
INSERT INTO t1 (c1) VALUES (21);
# con1
INSERT INTO t1 (c1) VALUES (NULL);
# con default
INSERT INTO t1 (c1) VALUES (16);
# con1
INSERT INTO t1 (c1) VALUES (NULL);
# con default
INSERT INTO t1 (c1) VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
10
11
12
16
19
21
22
23
24
DROP TABLE t1;
# Test with two threads + start transaction NO PARTITIONING
# con default
CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
ENGINE = 'InnoDB';
START TRANSACTION;
INSERT INTO t1 (c1) VALUES (2);
INSERT INTO t1 (c1) VALUES (4);
# con1
START TRANSACTION;
INSERT INTO t1 (c1) VALUES (NULL);
INSERT INTO t1 (c1) VALUES (10);
# con default
INSERT INTO t1 (c1) VALUES (NULL);
INSERT INTO t1 (c1) VALUES (NULL);
INSERT INTO t1 (c1) VALUES (19);
INSERT INTO t1 (c1) VALUES (21);
# con1
INSERT INTO t1 (c1) VALUES (NULL);
# con default
INSERT INTO t1 (c1) VALUES (16);
# con1
INSERT INTO t1 (c1) VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
5
10
22
23
COMMIT;
SELECT * FROM t1 ORDER BY c1;
c1
5
10
22
23
# con default
INSERT INTO t1 (c1) VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
10
11
12
16
19
21
22
23
24
COMMIT;
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
10
11
12
16
19
21
22
23
24
DROP TABLE t1;
# Test with two threads + start transaction
# con default
CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
ENGINE = 'InnoDB'
PARTITION BY HASH(c1)
PARTITIONS 2;
START TRANSACTION;
INSERT INTO t1 (c1) VALUES (2);
INSERT INTO t1 (c1) VALUES (4);
# con1
START TRANSACTION;
INSERT INTO t1 (c1) VALUES (NULL), (10);
# con default
INSERT INTO t1 (c1) VALUES (NULL), (NULL), (19);
INSERT INTO t1 (c1) VALUES (21);
# con1
INSERT INTO t1 (c1) VALUES (NULL);
# con default
INSERT INTO t1 (c1) VALUES (16);
# con1
INSERT INTO t1 (c1) VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
5
10
22
23
COMMIT;
SELECT * FROM t1 ORDER BY c1;
c1
5
10
22
23
# con default
INSERT INTO t1 (c1) VALUES (NULL);
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
10
11
12
16
19
21
22
23
24
COMMIT;
SELECT * FROM t1 ORDER BY c1;
c1
2
4
5
10
11
12
16
19
21
22
23
24
DROP TABLE t1;
# Test with another column after
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
c2 INT,
PRIMARY KEY (c1,c2))
ENGINE = 'InnoDB'
PARTITION BY HASH(c2)
PARTITIONS 2;
INSERT INTO t1 VALUES (1, 0);
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (NULL, 1), (NULL, 2), (NULL, 3);
INSERT INTO t1 VALUES (NULL, 3);
INSERT INTO t1 VALUES (2, 0), (NULL, 2);
INSERT INTO t1 VALUES (2, 2);
INSERT INTO t1 VALUES (2, 22);
INSERT INTO t1 VALUES (NULL, 2);
SELECT * FROM t1 ORDER BY c1,c2;
c1	c2
1	0
1	1
2	0
2	1
2	2
2	22
3	2
4	3
5	3
6	2
7	2
DROP TABLE t1;
# Test with another column before
CREATE TABLE t1 (
c1 INT,
c2 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c2))
ENGINE = 'InnoDB'
PARTITION BY HASH(c2)
PARTITIONS 2;
INSERT INTO t1 VALUES (1, 0);
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t1 VALUES (1, NULL);
INSERT INTO t1 VALUES (2, NULL), (3, 11), (3, NULL), (2, 0);
INSERT INTO t1 VALUES (2, NULL);
INSERT INTO t1 VALUES (2, 2);
INSERT INTO t1 VALUES (2, 22);
INSERT INTO t1 VALUES (2, NULL);
SELECT * FROM t1 ORDER BY c1,c2;
c1	c2
1	1
1	2
2	3
2	13
2	14
2	22
2	23
3	11
3	12
DROP TABLE t1;
# Test with auto_increment on secondary column in multi-column-index
CREATE TABLE t1 (
c1 INT,
c2 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1,c2))
ENGINE = 'InnoDB'
PARTITION BY HASH(c2)
PARTITIONS 2;
ERROR 42000: Incorrect table definition; there can be only one auto column and it must be defined as a key
# Test AUTO_INCREMENT in CREATE
CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
ENGINE = 'InnoDB'
AUTO_INCREMENT = 15
PARTITION BY HASH(c1)
PARTITIONS 2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 (c1) VALUES (4);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 (c1) VALUES (0);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 (c1) VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=17 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1 ORDER BY c1;
c1
4
15
16
# Test sql_mode 'NO_AUTO_VALUE_ON_ZERO'
SET @@session.sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
INSERT INTO t1 (c1) VALUES (300);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=301 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 (c1) VALUES (0);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=301 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 (c1) VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=302 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1 ORDER BY c1;
c1
0
4
15
16
300
301
SET @@session.sql_mode = '';
DROP TABLE t1;
# Test SET INSERT_ID
CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
ENGINE = 'InnoDB'
PARTITION BY HASH(c1)
PARTITIONS 2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 (c1) VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1;
c1
1
SET INSERT_ID = 23;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 (c1) VALUES (NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=24 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1 ORDER BY c1;
c1
1
23
DROP TABLE t1;
# Testing with FLUSH TABLE
CREATE TABLE t1 (
c1 INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (c1))
ENGINE='InnoDB'
PARTITION BY HASH(c1)
PARTITIONS 2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
FLUSH TABLE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 VALUES (4);
FLUSH TABLE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
INSERT INTO t1 VALUES (NULL);
FLUSH TABLE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SELECT * FROM t1 ORDER BY c1;
c1
4
5
DROP TABLE t1;