rpl_auto_increment.test

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

#
# Test of auto_increment with offset
#
source include/have_innodb.inc;
source include/master-slave.inc;

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;

sync_slave_with_master;
select * from t1;
connection master;
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;

sync_slave_with_master;
select * from t1;
connection master;

drop table t1;

set @@session.auto_increment_increment=100, @@session.auto_increment_offset=10;
show variables like "%auto_inc%";

create table t1 (a int not null auto_increment, primary key (a)) engine=myisam;
# Insert with 2 insert statements to get better testing of logging
insert into t1 values (NULL),(5),(NULL);
insert into t1 values (250),(NULL);
select * from t1;
insert into t1 values (1000);
set @@insert_id=400;
insert into t1 values(NULL),(NULL);
select * from t1;

sync_slave_with_master;
select * from t1;
connection master;
drop table t1;

#
# Same test with innodb (as the innodb code is a bit different)
#
create table t1 (a int not null auto_increment, primary key (a)) engine=innodb;
# Insert with 2 insert statements to get better testing of logging
insert into t1 values (NULL),(5),(NULL);
insert into t1 values (250),(NULL);
select * from t1;
insert into t1 values (1000);
set @@insert_id=400;
insert into t1 values(NULL),(NULL);
select * from t1;

sync_slave_with_master;
select * from t1;
connection master;
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 with 2 insert statements to get better testing of logging
insert into t1 values (NULL),(5),(NULL),(NULL);
insert into t1 values (500),(NULL),(502),(NULL),(NULL);
select * from t1;
set @@insert_id=600;
--error 1062
insert into t1 values(600),(NULL),(NULL);
set @@insert_id=600;
insert ignore into t1 values(600),(NULL),(NULL),(610),(NULL);
select * from t1;

sync_slave_with_master;
select * from t1;
connection master;
drop table t1;

#
# Test that auto-increment works when slave has rows in the table
#
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;

sync_slave_with_master;
insert into t1 values(2),(12),(22),(32),(42);
connection master;

insert into t1 values (NULL),(NULL);
insert into t1 values (3),(NULL),(NULL);
select * from t1;

sync_slave_with_master;
select * from t1;

# Test for BUG#20524 "auto_increment_* not observed when inserting
# a too large value". When an autogenerated value was bigger than the
# maximum possible value of the field, it was truncated to that max
# possible value, without being "rounded down" to still honour
# auto_increment_* variables.

connection master;
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);
--error 1062
insert into t1 values(null);
select a, mod(a-@@auto_increment_offset,@@auto_increment_increment) from t1 order by a;

# same but with a larger value
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);
select a, mod(a-@@auto_increment_offset,@@auto_increment_increment) from t2 order by a;

# An offset so big that even first value does not fit
create table t3 like t1;
set auto_increment_increment=1000;
set auto_increment_offset=700;
insert into t3 values(null);
select * from t3 order by a;
sync_slave_with_master;
select * from t1 order by a;
select * from t2 order by a;
select * from t3 order by a;

connection master;

drop table t1,t2,t3;

# End cleanup
sync_slave_with_master;