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stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
create table t1 (a int not null auto_increment,b int, primary key (a)) engine=myisam auto_increment=3;
insert into t1 values (NULL,1),(NULL,2),(NULL,3);
select * from t1;
a b
12 1
22 2
32 3
select * from t1;
a b
12 1
22 2
32 3
drop table t1;
create table t1 (a int not null auto_increment,b int, primary key (a)) engine=myisam;
insert into t1 values (1,1),(NULL,2),(3,3),(NULL,4);
delete from t1 where b=4;
insert into t1 values (NULL,5),(NULL,6);
select * from t1;
a b
1 1
2 2
3 3
22 5
32 6
select * from t1;
a b
1 1
2 2
3 3
22 5
32 6
drop table t1;
set @@session.auto_increment_increment=100, @@session.auto_increment_offset=10;
show variables like "%auto_inc%";
Variable_name Value
auto_increment_increment 100
auto_increment_offset 10
create table t1 (a int not null auto_increment, primary key (a)) engine=myisam;
insert into t1 values (NULL),(5),(NULL);
insert into t1 values (250),(NULL);
select * from t1;
a
5
10
110
250
310
insert into t1 values (1000);
set @@insert_id=400;
insert into t1 values(NULL),(NULL);
select * from t1;
a
5
10
110
250
310
400
410
1000
select * from t1;
a
5
10
110
250
310
400
410
1000
drop table t1;
create table t1 (a int not null auto_increment, primary key (a)) engine=innodb;
insert into t1 values (NULL),(5),(NULL);
insert into t1 values (250),(NULL);
select * from t1;
a
5
10
110
250
310
insert into t1 values (1000);
set @@insert_id=400;
insert into t1 values(NULL),(NULL);
select * from t1;
a
5
10
110
250
310
400
410
1000
select * from t1;
a
5
10
110
250
310
400
410
1000
drop table t1;
set @@session.auto_increment_increment=1, @@session.auto_increment_offset=1;
create table t1 (a int not null auto_increment, primary key (a)) engine=myisam;
insert into t1 values (NULL),(5),(NULL),(NULL);
insert into t1 values (500),(NULL),(502),(NULL),(NULL);
select * from t1;
a
1
5
6
7
500
501
502
503
504
set @@insert_id=600;
insert into t1 values(600),(NULL),(NULL);
ERROR 23000: Duplicate entry '600' for key 'PRIMARY'
set @@insert_id=600;
insert ignore into t1 values(600),(NULL),(NULL),(610),(NULL);
select * from t1;
a
1
5
6
7
500
501
502
503
504
600
610
611
select * from t1;
a
1
5
6
7
500
501
502
503
504
600
610
611
drop table t1;
set @@session.auto_increment_increment=10, @@session.auto_increment_offset=1;
create table t1 (a int not null auto_increment, primary key (a)) engine=myisam;
insert into t1 values(2),(12),(22),(32),(42);
insert into t1 values (NULL),(NULL);
insert into t1 values (3),(NULL),(NULL);
select * from t1;
a
1
3
11
21
31
select * from t1;
a
1
2
3
11
12
21
22
31
32
42
drop table t1;
create table t1 (a tinyint not null auto_increment primary key) engine=myisam;
insert into t1 values(103);
set auto_increment_increment=11;
set auto_increment_offset=4;
insert into t1 values(null);
insert into t1 values(null);
insert into t1 values(null);
ERROR 23000: Duplicate entry '125' for key 'PRIMARY'
select a, mod(a-@@auto_increment_offset,@@auto_increment_increment) from t1 order by a;
a mod(a-@@auto_increment_offset,@@auto_increment_increment)
103 0
114 0
125 0
create table t2 (a tinyint unsigned not null auto_increment primary key) engine=myisam;
set auto_increment_increment=10;
set auto_increment_offset=1;
set insert_id=1000;
insert into t2 values(null);
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
select a, mod(a-@@auto_increment_offset,@@auto_increment_increment) from t2 order by a;
a mod(a-@@auto_increment_offset,@@auto_increment_increment)
251 0
create table t3 like t1;
set auto_increment_increment=1000;
set auto_increment_offset=700;
insert into t3 values(null);
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
select * from t3 order by a;
a
127
select * from t1 order by a;
a
103
114
125
select * from t2 order by a;
a
251
select * from t3 order by a;
a
127
drop table t1,t2,t3;
set auto_increment_increment=1;
set auto_increment_offset=1;
CREATE TABLE t1 (id MEDIUMINT NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=innodb;
INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` mediumint(9) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`id` mediumint(9) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1
drop table t1;
stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=innodb;
CREATE TABLE t2 (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=myisam;
SET SQL_MODE='';
INSERT INTO t1 VALUES(NULL);
INSERT INTO t2 VALUES(NULL);
SELECT * FROM t1;
id
1
SELECT * FROM t2;
id
1
INSERT INTO t1 VALUES();
INSERT INTO t2 VALUES();
SELECT * FROM t1;
id
1
2
SELECT * FROM t2;
id
1
2
INSERT INTO t1 VALUES(0);
INSERT INTO t2 VALUES(0);
SELECT * FROM t1;
id
1
2
3
SELECT * FROM t2;
id
1
2
3
SET SQL_MODE=NO_AUTO_VALUE_ON_ZERO;
INSERT INTO t1 VALUES(0);
INSERT INTO t2 VALUES(0);
SELECT * FROM t1;
id
0
1
2
3
SELECT * FROM t2;
id
0
1
2
3
INSERT INTO t1 VALUES(4);
INSERT INTO t2 VALUES(4);
FLUSH LOGS;
Comparing tables master:test.t1 and slave:test.t1
Comparing tables master:test.t2 and slave:test.t2
DROP TABLE t1;
DROP TABLE t2;
Comparing tables master:test.t1 and slave:test.t1
Comparing tables master:test.t2 and slave:test.t2
DROP TABLE t1;
DROP TABLE t2;
SET SQL_MODE='';
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