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|
include/master-slave.inc
[connection master]
connection master;
create database s_db;
use s_db;
grant all on s_db.* to normal_1@'%' identified by 'pass';
grant all on test.* to normal_2@'%' identified by 'pass';
grant all on s_db.* to normal_3@'%' identified by 'pass';
grant all on test.* to normal_4@'%' identified by 'pass';
connection slave;
connect m_normal_1, 127.0.0.1, normal_1, pass, s_db, $MASTER_MYPORT;
connect m_normal_2, 127.0.0.1, normal_2, pass, test, $MASTER_MYPORT;
connect s_normal_3, 127.0.0.1, normal_3, pass, s_db, $SLAVE_MYPORT;
connect s_normal_4, 127.0.0.1, normal_4, pass, test, $SLAVE_MYPORT;
connection slave;
set global read_only=on;
use s_db;
###########################################
master and slave sync sequence.
###########################################
connection master;
create sequence s1;
show create table s1;
Table Create Table
s1 CREATE TABLE `s1` (
`next_not_cached_value` bigint(21) NOT NULL,
`minimum_value` bigint(21) NOT NULL,
`maximum_value` bigint(21) NOT NULL,
`start_value` bigint(21) NOT NULL COMMENT 'start value when sequences is created or value if RESTART is used',
`increment` bigint(21) NOT NULL COMMENT 'increment value',
`cache_size` bigint(21) unsigned NOT NULL,
`cycle_option` tinyint(1) unsigned NOT NULL COMMENT '0 if no cycles are allowed, 1 if the sequence should begin a new cycle when maximum_value is passed',
`cycle_count` bigint(21) NOT NULL COMMENT 'How many cycles have been done'
) ENGINE=MyISAM SEQUENCE=1
connection slave;
show create table s1;
Table Create Table
s1 CREATE TABLE `s1` (
`next_not_cached_value` bigint(21) NOT NULL,
`minimum_value` bigint(21) NOT NULL,
`maximum_value` bigint(21) NOT NULL,
`start_value` bigint(21) NOT NULL COMMENT 'start value when sequences is created or value if RESTART is used',
`increment` bigint(21) NOT NULL COMMENT 'increment value',
`cache_size` bigint(21) unsigned NOT NULL,
`cycle_option` tinyint(1) unsigned NOT NULL COMMENT '0 if no cycles are allowed, 1 if the sequence should begin a new cycle when maximum_value is passed',
`cycle_count` bigint(21) NOT NULL COMMENT 'How many cycles have been done'
) ENGINE=MyISAM SEQUENCE=1
connection master;
drop sequence s1;
###########################################
not support create table engine=sequence.
###########################################
connection master;
create table t(id int)engine=sequence;
ERROR 42000: Unknown storage engine 'sequence'
create table t(id int)engine=innodb;
alter table t engine=sequence;
ERROR 42000: Unknown storage engine 'sequence'
drop table t;
###########################################
not support alter sequence table.
###########################################
connection master;
create sequence s2;
alter table s2 add id int;
ERROR HY000: Sequence 's_db.s2' table structure is invalid (Wrong number of columns)
alter table s2 add index ind_x(start_value);
ERROR HY000: Sequence 's_db.s2' table structure is invalid (Sequence tables cannot have any keys)
drop sequence s2;
###########################################
support create sequence
###########################################
connection master;
create table t_1(id int);
show create sequence t_1;
ERROR 42S02: 's_db.t_1' is not a SEQUENCE
drop table t_1;
CREATE SEQUENCE `s2` (
`next_not_cached_value` bigint(21) NOT NULL,
`minimum_value` bigint(21) NOT NULL,
`maximum_value` bigint(21) NOT NULL,
`start_value` bigint(21) NOT NULL,
`increment` bigint(21) NOT NULL,
`cache_size` bigint(21) unsigned NOT NULL,
`cycle_option` tinyint(1) unsigned NOT NULL,
`cycle_count` bigint(21) NOT NULL
) ENGINE=InnoDB sequence=1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(
`next_not_cached_value` bigint(21) NOT NULL,
`minimum_value` bigint(21) NOT...' at line 1
CREATE TABLE `s2` (
`next_not_cached_value` bigint(21) NOT NULL,
`minimum_value` bigint(21) NOT NULL,
`maximum_value` bigint(21) NOT NULL,
`start_value` bigint(21) NOT NULL,
`increment` bigint(21) NOT NULL,
`cache_size` bigint(21) unsigned NOT NULL,
`cycle_option` tinyint(1) unsigned NOT NULL,
`cycle_count` bigint(21) NOT NULL
) ENGINE=InnoDB sequence=1;
insert into s2 values(1, 1, 10, 1, 2, 1, 1, 0);
commit;
select * for s2;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 's2' at line 1
select * from s2;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
1 1 10 1 2 1 1 0
select NEXT VALUE for s2;
NEXT VALUE for s2
1
select NEXT VALUE for s2;
NEXT VALUE for s2
3
select NEXT VALUE for s2;
NEXT VALUE for s2
5
select NEXT VALUE for s2;
NEXT VALUE for s2
7
select NEXT VALUE for s2;
NEXT VALUE for s2
9
select NEXT VALUE for s2;
NEXT VALUE for s2
1
select NEXT VALUE for s2;
NEXT VALUE for s2
3
select * from s2;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 10 1 2 1 1 1
commit;
connection master;
connection slave;
select * from s2;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 10 1 2 1 1 1
connection master;
drop sequence s2;
CREATE TABLE `s2` (
`next_not_cached_value` bigint(21) NOT NULL,
`minimum_value` bigint(21) NOT NULL,
`maximum_value` bigint(21) NOT NULL,
`start_value` bigint(21) NOT NULL,
`increment` bigint(21) NOT NULL,
`cache_size` bigint(21) unsigned NOT NULL,
`cycle_option` tinyint(1) unsigned NOT NULL,
`cycle_count` bigint(21) NOT NULL
) ENGINE=myisam DEFAULT CHARSET=latin1 sequence=1;
show create sequence s2;
Table Create Table
s2 CREATE SEQUENCE `s2` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=MyISAM
drop sequence s2;
###########################################
select sequence syntax test
###########################################
connection master;
create sequence s2;
create table t2 (id int);
select * from s2;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
1 1 9223372036854775806 1 1 1000 0 0
select * from t2;
id
insert into t2 select next value for s2;
commit;
select NEXT VALUE for s2;
NEXT VALUE for s2
2
select NEXT VALUE for t2;
ERROR 42S02: 's_db.t2' is not a SEQUENCE
select * from s2, t2;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count id
1001 1 9223372036854775806 1 1 1000 0 0 1
select * for s2;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 's2' at line 1
select * for s2, t2;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 's2, t2' at line 1
connection master;
drop sequence s2;
drop table t2;
###########################################
support rename, not support truncate
###########################################
connection master;
create sequence s2;
alter table s2 rename to s2_1;
rename table s2_1 to s2_2;
show create sequence s2_2;
Table Create Table
s2_2 CREATE SEQUENCE `s2_2` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=MyISAM
select * from s2_2;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
1 1 9223372036854775806 1 1 1000 0 0
truncate table s2_2;
ERROR HY000: Storage engine SEQUENCE of the table `s_db`.`s2_2` doesn't have this option
rename table s2_2 to s2;
drop sequence s2;
###########################################
all invalid sequence value
###########################################
connection master;
create sequence s2 start with 1
minvalue 1
maxvalue 100000
increment by 1
cache 10000
cycle;
drop sequence s2;
create sequence s2 start with 1
minvalue 1
maxvalue 100000
increment by 1
cache 10000
nocycle;
drop sequence s2;
create sequence s2 start with 1
minvalue 1
maxvalue 100000
increment by 1
nocache
nocycle;
drop sequence s2;
create sequence s2 start with 1
minvalue 5
maxvalue 100000
increment by 1
nocache
nocycle;
ERROR HY000: Sequence 's_db.s2' has out of range value for options
create sequence s2 start with 1
minvalue 5
maxvalue 5
increment by 1
nocache
nocycle;
ERROR HY000: Sequence 's_db.s2' has out of range value for options
create sequence s2 start with 1
minvalue 5
maxvalue 4
increment by 1
nocache
nocycle;
ERROR HY000: Sequence 's_db.s2' has out of range value for options
create sequence s2 start with 1
minvalue 5
maxvalue 4
increment by 0
nocache
nocycle;
ERROR HY000: Sequence 's_db.s2' has out of range value for options
###########################################
global read lock prevent query sequence
###########################################
connection master;
create sequence s_db.s1;
flush table with read lock;
select NEXT VALUE for s1;
ERROR HY000: Can't execute the query because you have a conflicting read lock
unlock tables;
drop sequence s_db.s1;
###########################################
query cache test
###########################################
connection master;
flush status;
show global variables like 'query_cache_type';
Variable_name Value
query_cache_type ON
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 0
show status like 'Qcache_inserts';
Variable_name Value
Qcache_inserts 0
###########################################
priv test
###########################################
connection m_normal_1;
create sequence s_db.s1;
select NEXT VALUE for s_db.s1;
NEXT VALUE for s_db.s1
1
create sequence s_db.s2;
drop sequence s_db.s2;
connection m_normal_2;
select NEXT VALUE for s_db.s1;
ERROR 42000: INSERT command denied to user 'normal_2'@'localhost' for table `s_db`.`s1`
create sequence s_db.s2;
ERROR 42000: CREATE command denied to user 'normal_2'@'localhost' for table `s_db`.`s2`
connection m_normal_1;
drop sequence s_db.s1;
###########################################
run out sequence value
###########################################
connection m_normal_1;
create sequence s_t start with 1 cache 2 maxvalue 5;
create table t(id int);
insert into t values(1111);
insert into t select next value for s_t;
insert into t select next value for s_t;
insert into t select next value for s_t;
insert into t select next value for s_t;
insert into t select next value for s_t;
insert into t select next value for s_t;
ERROR HY000: Sequence 's_db.s_t' has run out
insert into t select next value for s_t;
ERROR HY000: Sequence 's_db.s_t' has run out
commit;
select * from t;
id
1111
1
2
3
4
5
connection master;
connection slave;
connection s_normal_3;
select * from t;
id
1111
1
2
3
4
5
connection m_normal_1;
drop sequence s_t;
drop table t;
###########################################
read_only prevent query sequence
###########################################
connection m_normal_1;
create sequence s_db.s1;
show global variables like 'read_only';
Variable_name Value
read_only OFF
select * from s_db.s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
1 1 9223372036854775806 1 1 1000 0 0
connection master;
connection slave;
connection s_normal_3;
show global variables like 'read_only';
Variable_name Value
read_only ON
select next value for s_db.s1;
ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement
connection m_normal_1;
drop sequence s_db.s1;
###########################################
update based table
###########################################
connection m_normal_1;
create sequence s_t start with 1 minvalue 1 maxvalue 20 increment by 1 cache 5 cycle engine=innodb;
connection master;
connection slave;
connection s_normal_3;
select * from s_t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
1 1 20 1 1 5 1 0
connection m_normal_1;
select next value for s_t;
next value for s_t
1
connection master;
connection slave;
connection s_normal_3;
select next_not_cached_value from s_t;
next_not_cached_value
6
------------------------------------------
master ALTER SEQUENCE
------------------------------------------
connection m_normal_1;
select next value for s_t;
next value for s_t
2
alter sequence s_t restart= 11;
select * from s_t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
11 1 20 1 1 5 1 0
connection master;
connection slave;
------------------------------------------
show slave nextval;
------------------------------------------
connection s_normal_3;
select * from s_t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
11 1 20 1 1 5 1 0
connection m_normal_1;
select next value for s_t;
next value for s_t
11
connection master;
connection slave;
connection s_normal_3;
select * from s_t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
16 1 20 1 1 5 1 0
------------------------------------------
update into invalid sequence
------------------------------------------
connection m_normal_1;
select next value for s_t;
next value for s_t
12
select * from s_t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
16 1 20 1 1 5 1 0
alter sequence s_t minvalue=11 maxvalue=9;
ERROR HY000: Sequence 's_db.s_t' has out of range value for options
select * from s_t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
16 1 20 1 1 5 1 0
alter sequence s_t restart= 12 start=10 minvalue=11 maxvalue=20;
ERROR HY000: Sequence 's_db.s_t' has out of range value for options
select * from s_t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
16 1 20 1 1 5 1 0
------------------------------------------
delete sequence row
------------------------------------------
connection m_normal_1;
delete from s_t;
ERROR HY000: Storage engine SEQUENCE of the table `s_db`.`s_t` doesn't have this option
commit;
select next value for s_t;
next value for s_t
13
connection m_normal_1;
drop sequence s_t;
###########################################
test transaction context (innodb)
###########################################
------------------------------------------
transaction table and sequence
normal transaction commit
------------------------------------------
connection m_normal_1;
create sequence s_1 cache 5 engine=innodb;
create table t_1(id int)engine=innodb;
begin;
insert into t_1 values(1111);
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 values(2222);
commit;
select * from t_1;
id
1111
1
2
2222
select * from s_1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
6 1 9223372036854775806 1 1 5 0 0
connection master;
connection slave;
connection s_normal_3;
select * from t_1;
id
1111
1
2
2222
------------------------------------------
normal transaction rollback
------------------------------------------
connection m_normal_1;
begin;
insert into t_1 values(3333);
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
select * from t_1;
id
1111
1
2
2222
3333
3
4
5
6
7
8
9
10
rollback;
select * from t_1;
id
1111
1
2
2222
select * from s_1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
11 1 9223372036854775806 1 1 5 0 0
select next value for s_1;
next value for s_1
11
connection master;
connection slave;
connection s_normal_3;
select * from t_1;
id
1111
1
2
2222
connection m_normal_1;
drop sequence s_1;
drop table t_1;
###########################################
test transaction context (myisam)
###########################################
------------------------------------------
transaction table and sequence
normal transaction commit
------------------------------------------
connection m_normal_1;
create sequence s_1 cache 5;
create table t_1(id int)engine=myisam;
begin;
insert into t_1 values(1111);
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 values(2222);
commit;
select * from t_1;
id
1111
1
2
2222
connection master;
connection slave;
connection s_normal_3;
select * from t_1;
id
1111
1
2
2222
------------------------------------------
normal transaction rollback
------------------------------------------
connection m_normal_1;
begin;
insert into t_1 values(3333);
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
insert into t_1 select next value for s_1;
select * from t_1;
id
1111
1
2
2222
3333
3
4
5
6
7
8
9
10
rollback;
Warnings:
Warning 1196 Some non-transactional changed tables couldn't be rolled back
select * from t_1;
id
1111
1
2
2222
3333
3
4
5
6
7
8
9
10
select next value for s_1;
next value for s_1
11
connection master;
connection slave;
connection s_normal_3;
select * from t_1;
id
1111
1
2
2222
3333
3
4
5
6
7
8
9
10
connection m_normal_1;
drop sequence s_1;
drop table t_1;
###########################################
close binlog
###########################################
connection m_normal_1;
create sequence s1 cache 2;
select next value for s1;
next value for s1
1
select next value for s1;
next value for s1
2
select next value for s1;
next value for s1
3
select next value for s1;
next value for s1
4
commit;
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 9223372036854775806 1 1 2 0 0
connection master;
connection slave;
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 9223372036854775806 1 1 2 0 0
------------------------------------------
close session binlog.
------------------------------------------
connection master;
set session sql_log_bin=off;
select next value for s1;
next value for s1
5
select next value for s1;
next value for s1
6
select next value for s1;
next value for s1
7
select next value for s1;
next value for s1
8
set session sql_log_bin=on;
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
9 1 9223372036854775806 1 1 2 0 0
connection master;
connection slave;
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 9223372036854775806 1 1 2 0 0
connection master;
select next value for s1;
next value for s1
9
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
11 1 9223372036854775806 1 1 2 0 0
connection slave;
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
11 1 9223372036854775806 1 1 2 0 0
connection master;
drop sequence s1;
###########################################
statement binlog
###########################################
------------------------------------------
set binlog_format=statement
------------------------------------------
connection master;
set session binlog_format=statement;
select @@session.binlog_format;
@@session.binlog_format
STATEMENT
create sequence s1 cache 2;
select next value for s1;
ERROR HY000: Cannot execute statement: impossible to write to binary log since BINLOG_FORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging.
set session binlog_format=row;
select next value for s1;
next value for s1
1
connection master;
connection slave;
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
3 1 9223372036854775806 1 1 2 0 0
connection m_normal_1;
drop sequence s1;
------------------------------------------
set binlog_format=mixed
------------------------------------------
connection master;
set session binlog_format=mixed;
select @@session.binlog_format;
@@session.binlog_format
MIXED
create sequence s1 cache 2;
select next value for s1;
next value for s1
1
set session binlog_format=row;
select next value for s1;
next value for s1
2
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
3 1 9223372036854775806 1 1 2 0 0
connection master;
connection slave;
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
3 1 9223372036854775806 1 1 2 0 0
connection m_normal_1;
drop sequence s1;
connection master;
connection slave;
###########################################
test savepoint
###########################################
connection master;
set session binlog_format=row;
create sequence s1 cache 2;
create table t1(id int)engine=innodb;
begin;
insert into t1 values(1111);
savepoint sp1;
insert into t1 select next value for s1;
insert into t1 select next value for s1;
insert into t1 select next value for s1;
insert into t1 values(2222);
select * from t1;
id
1111
1
2
3
2222
rollback to sp1;
select * from t1;
id
1111
select next value for s1;
next value for s1
4
commit;
drop sequence s1;
drop table t1;
connection master;
connection slave;
###########################################
create as
###########################################
connection m_normal_1;
create sequence s1 cache 2;
create table t as select * from s1;
select * from t;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
1 1 9223372036854775806 1 1 2 0 0
drop table t;
create table t as select next value for s1;
select * from t;
next value for s1
1
drop table t;
drop sequence s1;
connection master;
connection slave;
###########################################
test proc
###########################################
connection m_normal_1;
create table t(id int)engine=innodb;
create procedure p1()
begin
create sequence s1 cache 2;
end//
create procedure p2()
begin
insert into t select next value for s1;
commit;
end//
call p1();
call p2();
call p2();
call p2();
call p2();
select * from t;
id
1
2
3
4
connection master;
connection slave;
select * from t;
id
1
2
3
4
connection m_normal_1;
drop table t;
drop sequence s1;
drop procedure p1;
drop procedure p2;
###########################################
test trigger
###########################################
connection m_normal_1;
create sequence s1 cache 2;
create table t1(id int)engine=innodb;
create table t2(id int)engine=innodb;
CREATE TRIGGER tri_1
before INSERT ON t2 FOR EACH ROW
BEGIN
INSERT INTO t1 select next value for s1;
END//
begin;
insert into t2 values(1111);
insert into t2 values(1111);
insert into t2 values(1111);
insert into t2 values(1111);
select * from t2;
id
1111
1111
1111
1111
select * from t1;
id
1
2
3
4
rollback;
select * from t2;
id
select * from t1;
id
select next value for s1;
next value for s1
5
drop trigger tri_1;
drop table t1;
drop table t2;
drop sequence s1;
###########################################
test function
###########################################
connection m_normal_1;
create sequence s1 cache 2;
create table t1(id int)engine=innodb;
CREATE function f1() returns int
BEGIN
INSERT INTO t1 select next value for s1;
return (1);
END//
begin;
select f1();
f1()
1
select f1();
f1()
1
select f1();
f1()
1
select f1();
f1()
1
select * from t1;
id
1
2
3
4
rollback;
select * from t1;
id
select next value for s1;
next value for s1
5
drop function f1;
drop table t1;
drop sequence s1;
###########################################
test value boundary
###########################################
connection m_normal_1;
------------------------------------------
cycle_count increment by cycle_count
------------------------------------------
create sequence s1 start with 5 minvalue 2 maxvalue 7 cache 1 cycle;
select next value for s1;
next value for s1
5
select next value for s1;
next value for s1
6
select next value for s1;
next value for s1
7
select next value for s1;
next value for s1
2
select next value for s1;
next value for s1
3
drop sequence s1;
create sequence s1 start with 5 minvalue 2 maxvalue 7 cache 10 nocycle;
select next value for s1;
next value for s1
5
select next value for s1;
next value for s1
6
select next value for s1;
next value for s1
7
select next value for s1;
ERROR HY000: Sequence 's_db.s1' has run out
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
8 2 7 5 1 10 0 0
drop sequence s1;
create sequence s1 start with 2 minvalue 1 maxvalue 3 increment by 3 nocache cycle;
select next value for s1;
next value for s1
2
select next_not_cached_value,cycle_count from s1;
next_not_cached_value cycle_count
4 0
select next value for s1;
next value for s1
1
select next_not_cached_value,cycle_count from s1;
next_not_cached_value cycle_count
4 1
select next value for s1;
next value for s1
1
select next_not_cached_value,cycle_count from s1;
next_not_cached_value cycle_count
4 2
select next value for s1;
next value for s1
1
select next_not_cached_value,cycle_count from s1;
next_not_cached_value cycle_count
4 3
select next value for s1;
next value for s1
1
select next_not_cached_value,cycle_count from s1;
next_not_cached_value cycle_count
4 4
drop sequence s1;
create sequence s1 start with 2 minvalue 1 maxvalue 3 increment by 3 cache 2 nocycle;
select next value for s1;
next value for s1
2
select next value for s1;
ERROR HY000: Sequence 's_db.s1' has run out
drop sequence s1;
------------------------------------------
beyond ulonglong maxvalue
------------------------------------------
create sequence s1 start with 9223372036854775805 minvalue 9223372036854775804 maxvalue 9223372036854775806 cache 1 cycle;
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 0
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775806 0
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775804 0
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 1
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775806 1
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775804 1
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 2
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775806 2
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775804 2
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 3
drop sequence s1;
create sequence s1 start with 9223372036854775805 minvalue 9223372036854775804 maxvalue 9223372036854775806 cache 10 cycle;
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 0
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775806 0
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775804 0
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 1
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775806 1
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775804 1
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 2
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775806 2
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775804 2
select next value for s1, cycle_count from s1;
next value for s1 cycle_count
9223372036854775805 3
drop sequence s1;
###########################################
test default()
###########################################
connection master;
CREATE SEQUENCE s1 nocache engine=myisam;
CREATE table t1 (a int default next value for s1, b int);
insert into t1 (b) values (1),(2);
select default(a) from t1;
default(a)
3
4
select * from t1;
a b
1 1
2 2
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 9223372036854775806 1 1 0 0 0
connection slave;
connection s_normal_3;
select * from t1;
a b
1 1
2 2
select * from s1;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 9223372036854775806 1 1 0 0 0
connection master;
drop table t1,s1;
connection master;
drop database s_db;
drop user normal_1@'%';
drop user normal_2@'%';
drop user normal_3@'%';
drop user normal_4@'%';
include/rpl_end.inc
|