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77f7311673
the auto_increment value
This is an alternative patch that instead of allowing RECREATE TABLE
on TRUNCATE TABLE it implements reset_auto_increment that is called
after delete_all_rows.
Note: this bug was fixed by Mattias Jonsson:
Pusing this patch: http://lists.mysql.com/commits/70370
872 lines
17 KiB
Text
872 lines
17 KiB
Text
DROP TABLE IF EXISTS t1;
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# test without partitioning for reference
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CREATE TABLE t1 (
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c1 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c1))
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ENGINE='MyISAM';
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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1
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INSERT INTO t1 VALUES (2);
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INSERT INTO t1 VALUES (4);
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INSERT INTO t1 VALUES (NULL);
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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6
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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6
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INSERT INTO t1 VALUES (0);
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INSERT INTO t1 VALUES (5), (16);
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INSERT INTO t1 VALUES (17);
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INSERT INTO t1 VALUES (19), (NULL);
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INSERT INTO t1 VALUES (NULL), (10), (NULL);
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INSERT INTO t1 VALUES (NULL);
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SET INSERT_ID = 30;
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INSERT INTO t1 VALUES (NULL);
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UPDATE t1 SET c1 = 50 WHERE c1 = 17;
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UPDATE t1 SET c1 = 51 WHERE c1 = 19;
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FLUSH TABLES;
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UPDATE t1 SET c1 = 40 WHERE c1 = 50;
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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52
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UPDATE t1 SET c1 = NULL WHERE c1 = 4;
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Warnings:
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Warning 1048 Column 'c1' cannot be null
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (NULL);
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SELECT * FROM t1 ORDER BY c1;
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c1
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0
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2
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5
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6
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10
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20
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21
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22
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23
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30
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40
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51
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52
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53
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DROP TABLE t1;
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CREATE TABLE t1 (
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c1 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c1))
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ENGINE='MyISAM';
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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FLUSH TABLE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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INSERT INTO t1 VALUES (4);
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FLUSH TABLE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
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INSERT INTO t1 VALUES (NULL);
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FLUSH TABLE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=6 DEFAULT CHARSET=latin1
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DELETE FROM t1;
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INSERT INTO t1 VALUES (NULL);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
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SELECT * FROM t1 ORDER BY c1;
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c1
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6
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TRUNCATE TABLE t1;
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INSERT INTO t1 VALUES (NULL);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
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SELECT * FROM t1 ORDER BY c1;
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c1
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1
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INSERT INTO t1 VALUES (100);
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INSERT INTO t1 VALUES (NULL);
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DELETE FROM t1 WHERE c1 >= 100;
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OPTIMIZE TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 optimize status OK
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=102 DEFAULT CHARSET=latin1
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DROP TABLE t1;
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# Simple test with NULL
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CREATE TABLE t1 (
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c1 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c1))
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ENGINE='MyISAM'
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PARTITION BY HASH(c1)
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PARTITIONS 2;
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INSERT INTO t1 VALUES (NULL);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY HASH (c1)
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PARTITIONS 2 */
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SELECT * FROM t1;
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c1
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1
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DROP TABLE t1;
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# Test with sql_mode and first insert as 0
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CREATE TABLE t1 (
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c1 INT,
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c2 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c2))
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ENGINE='MyISAM'
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PARTITION BY HASH(c2)
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PARTITIONS 2;
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INSERT INTO t1 VALUES (1, NULL);
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INSERT INTO t1 VALUES (1, 1), (99, 99);
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INSERT INTO t1 VALUES (1, NULL);
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SET @@session.sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
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INSERT INTO t1 VALUES (1, 0);
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SELECT * FROM t1 ORDER BY c1, c2;
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c1 c2
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1 0
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1 1
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1 2
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DROP TABLE t1;
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CREATE TABLE t1 (
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c1 INT,
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c2 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c2))
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ENGINE='MyISAM'
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PARTITION BY HASH(c2)
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PARTITIONS 2;
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INSERT INTO t1 VALUES (1, 0);
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INSERT INTO t1 VALUES (1, 1), (1, NULL);
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INSERT INTO t1 VALUES (2, NULL), (4, 7);
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INSERT INTO t1 VALUES (1, NULL);
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SELECT * FROM t1 ORDER BY c1, c2;
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c1 c2
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1 0
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1 1
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1 2
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1 8
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2 3
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4 7
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SET @@session.sql_mode = '';
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DROP TABLE t1;
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# Simple test with NULL, 0 and explicit values both incr. and desc.
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CREATE TABLE t1 (
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c1 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c1))
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ENGINE='MyISAM'
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PARTITION BY HASH(c1)
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PARTITIONS 2;
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INSERT INTO t1 VALUES (2), (4), (NULL);
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INSERT INTO t1 VALUES (0);
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INSERT INTO t1 VALUES (5), (16);
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INSERT INTO t1 VALUES (17), (19), (NULL);
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INSERT INTO t1 VALUES (NULL), (10), (NULL);
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INSERT INTO t1 VALUES (NULL), (9);
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INSERT INTO t1 VALUES (59), (55);
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INSERT INTO t1 VALUES (NULL), (90);
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INSERT INTO t1 VALUES (NULL);
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UPDATE t1 SET c1 = 150 WHERE c1 = 17;
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UPDATE t1 SET c1 = 151 WHERE c1 = 19;
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FLUSH TABLES;
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UPDATE t1 SET c1 = 140 WHERE c1 = 150;
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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152
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UPDATE t1 SET c1 = NULL WHERE c1 = 4;
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Warnings:
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Warning 1048 Column 'c1' cannot be null
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (NULL);
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SELECT * FROM t1 ORDER BY c1;
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c1
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0
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2
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5
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6
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9
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10
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20
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21
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22
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23
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55
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59
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60
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90
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91
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140
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151
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152
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153
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DROP TABLE t1;
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# Test with auto_increment_increment and auto_increment_offset.
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CREATE TABLE t1 (
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c1 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c1))
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ENGINE='MyISAM'
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PARTITION BY HASH(c1)
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PARTITIONS 2;
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SET @@session.auto_increment_increment = 10;
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SET @@session.auto_increment_offset = 5;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
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SET @@session.auto_increment_increment = 5;
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SET @@session.auto_increment_offset = 3;
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (33 + 1);
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (38 + 2);
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (43 + 3);
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (48 + 4);
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (53 + 5);
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (63 + 6);
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INSERT INTO t1 VALUES (NULL);
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SET @@session.auto_increment_increment = 1;
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SET @@session.auto_increment_offset = 1;
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SELECT * FROM t1 ORDER BY c1;
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c1
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1
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5
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15
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25
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33
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34
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38
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40
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43
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46
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48
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52
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53
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58
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63
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69
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73
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DROP TABLE t1;
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# Test reported auto_increment value
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CREATE TABLE t1 (
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c1 INT NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (c1))
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ENGINE='MyISAM'
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PARTITION BY HASH (c1)
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PARTITIONS 2;
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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1
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INSERT INTO t1 VALUES (2);
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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3
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INSERT INTO t1 VALUES (4);
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INSERT INTO t1 VALUES (NULL);
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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6
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (17);
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INSERT INTO t1 VALUES (19);
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (NULL);
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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22
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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22
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INSERT INTO t1 VALUES (10);
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SELECT * FROM t1 ORDER BY c1;
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c1
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2
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4
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5
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10
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17
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19
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20
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21
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INSERT INTO t1 VALUES (NULL);
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SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
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AND TABLE_NAME='t1';
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AUTO_INCREMENT
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23
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INSERT INTO t1 VALUES (NULL);
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INSERT INTO t1 VALUES (15);
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INSERT INTO t1 VALUES (NULL);
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SELECT * FROM t1 ORDER BY c1;
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c1
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2
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4
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5
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10
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15
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17
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19
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20
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24
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INSERT INTO t1 VALUES (NULL);
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DELETE FROM t1;
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INSERT INTO t1 VALUES (NULL);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=27 DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY HASH (c1)
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PARTITIONS 2 */
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SELECT * FROM t1 ORDER BY c1;
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c1
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26
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TRUNCATE TABLE t1;
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INSERT INTO t1 VALUES (NULL);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY HASH (c1)
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PARTITIONS 2 */
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SELECT * FROM t1 ORDER BY c1;
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c1
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1
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INSERT INTO t1 VALUES (100);
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INSERT INTO t1 VALUES (NULL);
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DELETE FROM t1 WHERE c1 >= 100;
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OPTIMIZE TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 optimize status OK
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`c1`)
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) ENGINE=MyISAM AUTO_INCREMENT=102 DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY HASH (c1)
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PARTITIONS 2 */
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DROP TABLE t1;
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# Test with two threads
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# con default
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CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
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ENGINE = 'MyISAM'
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PARTITION BY HASH(c1)
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PARTITIONS 2;
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INSERT INTO t1 (c1) VALUES (2);
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INSERT INTO t1 (c1) VALUES (4);
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# con1
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INSERT INTO t1 (c1) VALUES (NULL);
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INSERT INTO t1 (c1) VALUES (10);
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# con default
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INSERT INTO t1 (c1) VALUES (NULL);
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INSERT INTO t1 (c1) VALUES (NULL);
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INSERT INTO t1 (c1) VALUES (19);
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INSERT INTO t1 (c1) VALUES (21);
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# con1
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INSERT INTO t1 (c1) VALUES (NULL);
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# con default
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INSERT INTO t1 (c1) VALUES (16);
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# con1
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INSERT INTO t1 (c1) VALUES (NULL);
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# con default
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INSERT INTO t1 (c1) VALUES (NULL);
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SELECT * FROM t1 ORDER BY c1;
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c1
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2
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4
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5
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10
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11
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12
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16
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19
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21
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24
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DROP TABLE t1;
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# Test with two threads + start transaction NO PARTITIONING
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# con default
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CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
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ENGINE = 'MyISAM';
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START TRANSACTION;
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INSERT INTO t1 (c1) VALUES (2);
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INSERT INTO t1 (c1) VALUES (4);
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# con1
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START TRANSACTION;
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INSERT INTO t1 (c1) VALUES (NULL);
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INSERT INTO t1 (c1) VALUES (10);
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# con default
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INSERT INTO t1 (c1) VALUES (NULL);
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INSERT INTO t1 (c1) VALUES (NULL);
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INSERT INTO t1 (c1) VALUES (19);
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INSERT INTO t1 (c1) VALUES (21);
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# con1
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INSERT INTO t1 (c1) VALUES (NULL);
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# con default
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INSERT INTO t1 (c1) VALUES (16);
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# con1
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INSERT INTO t1 (c1) VALUES (NULL);
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SELECT * FROM t1 ORDER BY c1;
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c1
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2
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4
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5
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10
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11
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12
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16
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19
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21
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22
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23
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COMMIT;
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SELECT * FROM t1 ORDER BY c1;
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c1
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2
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4
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5
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10
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11
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12
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16
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19
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21
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22
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23
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# con default
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INSERT INTO t1 (c1) VALUES (NULL);
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SELECT * FROM t1 ORDER BY c1;
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c1
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2
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4
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5
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10
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11
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12
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16
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21
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COMMIT;
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SELECT * FROM t1 ORDER BY c1;
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c1
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2
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4
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5
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10
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11
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12
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16
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19
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21
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23
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24
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DROP TABLE t1;
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# Test with two threads + start transaction
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# con default
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CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
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ENGINE = 'MyISAM'
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PARTITION BY HASH(c1)
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PARTITIONS 2;
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START TRANSACTION;
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INSERT INTO t1 (c1) VALUES (2);
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INSERT INTO t1 (c1) VALUES (4);
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# con1
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START TRANSACTION;
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INSERT INTO t1 (c1) VALUES (NULL), (10);
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# con default
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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
|
|
2
|
|
4
|
|
5
|
|
10
|
|
11
|
|
12
|
|
16
|
|
19
|
|
21
|
|
22
|
|
23
|
|
COMMIT;
|
|
SELECT * FROM t1 ORDER BY c1;
|
|
c1
|
|
2
|
|
4
|
|
5
|
|
10
|
|
11
|
|
12
|
|
16
|
|
19
|
|
21
|
|
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 = 'MyISAM'
|
|
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 = 'MyISAM'
|
|
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 = 'MyISAM'
|
|
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);
|
|
INSERT INTO t1 VALUES (3, NULL);
|
|
INSERT INTO t1 VALUES (3, NULL), (2, 0), (2, NULL);
|
|
INSERT INTO t1 VALUES (2, 2);
|
|
INSERT INTO t1 VALUES (2, 22), (2, NULL);
|
|
SELECT * FROM t1 ORDER BY c1,c2;
|
|
c1 c2
|
|
1 1
|
|
1 2
|
|
2 1
|
|
2 2
|
|
2 3
|
|
2 22
|
|
2 23
|
|
3 1
|
|
3 2
|
|
DROP TABLE t1;
|
|
# Test AUTO_INCREMENT in CREATE
|
|
CREATE TABLE t1 (c1 INT NOT NULL AUTO_INCREMENT, PRIMARY KEY (c1))
|
|
ENGINE = 'MyISAM'
|
|
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=MyISAM 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=MyISAM 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=MyISAM 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=MyISAM 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=MyISAM 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=MyISAM 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=MyISAM 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 = 'MyISAM'
|
|
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=MyISAM 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=MyISAM 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=MyISAM 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=MyISAM 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='MyISAM'
|
|
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=MyISAM 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=MyISAM 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=MyISAM 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=MyISAM 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;
|