drop table if exists t1;
Warnings:
Note	1051	Unknown table 'test.t1'
#
# Test alter sequence
#
CREATE SEQUENCE t1 nocache engine=myisam;
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
1	1	9223372036854775806	1	1	0	0	0
select next value for t1;
next value for t1
1
alter sequence t1 start=50;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 50 minvalue 1 maxvalue 9223372036854775806 increment by 1 nocache nocycle ENGINE=MyISAM
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
2	1	9223372036854775806	50	1	0	0	0
select next value for t1;
next value for t1
2
alter sequence t1 minvalue=-100;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 50 minvalue -100 maxvalue 9223372036854775806 increment by 1 nocache nocycle ENGINE=MyISAM
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
3	-100	9223372036854775806	50	1	0	0	0
alter sequence t1 minvalue=100 start=100;
ERROR HY000: Sequence 'test.t1' has out of range value for options
alter sequence t1 minvalue=100 start=100 restart=100;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 100 minvalue 100 maxvalue 9223372036854775806 increment by 1 nocache nocycle ENGINE=MyISAM
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
100	100	9223372036854775806	100	1	0	0	0
alter sequence t1 maxvalue=500;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 100 minvalue 100 maxvalue 500 increment by 1 nocache nocycle ENGINE=MyISAM
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
100	100	500	100	1	0	0	0
drop sequence t1;
CREATE SEQUENCE t1 engine=myisam;
alter sequence t1 nocache;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 nocache nocycle ENGINE=MyISAM
alter sequence t1 cache=100;
flush tables;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 100 nocycle ENGINE=MyISAM
alter sequence t1 nocache;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 nocache nocycle ENGINE=MyISAM
flush tables;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 nocache nocycle ENGINE=MyISAM
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
1	1	9223372036854775806	1	1	0	0	0
select next value for t1;
next value for t1
1
select next value for t1;
next value for t1
2
select next value for t1;
next value for t1
3
select next_not_cached_value, cycle_count from t1;
next_not_cached_value	cycle_count
4	0
drop sequence t1;
CREATE SEQUENCE t1 maxvalue=100 engine=myisam;
alter sequence t1 no maxvalue;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=MyISAM
select * from t1;
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
alter sequence t1 cycle;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 cycle ENGINE=MyISAM
alter sequence t1 nocycle;
alter sequence t1 start=15 restart minvalue=10 maxvalue=20 cycle;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 15 minvalue 10 maxvalue 20 increment by 1 cache 1000 cycle ENGINE=MyISAM
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
15	10	20	15	1	1000	1	0
select NEXT VALUE for t1 from seq_1_to_10;
NEXT VALUE for t1
15
16
17
18
19
20
10
11
12
13
alter sequence t1 restart with 17 minvalue=10 maxvalue=20 cycle;
select NEXT VALUE for t1 from seq_1_to_10;
NEXT VALUE for t1
17
18
19
20
10
11
12
13
14
15
drop sequence t1;
CREATE SEQUENCE t1 maxvalue=100;
alter sequence t1 increment=-2 start with 50 minvalue=-100;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 50 minvalue -100 maxvalue 100 increment by -2 cache 1000 nocycle ENGINE=MyISAM
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
1	-100	100	50	-2	1000	0	0
select NEXT VALUE for t1 from seq_1_to_10;
NEXT VALUE for t1
1
-1
-3
-5
-7
-9
-11
-13
-15
-17
drop sequence t1;
#
# InnoDB (some things work different with InnoDB)

CREATE SEQUENCE t1 cache 10 engine=innodb;
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
1	1	9223372036854775806	1	1	10	0	0
select next value for t1;
next value for t1
1
alter sequence t1 start=100;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 100 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 10 nocycle ENGINE=InnoDB
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
11	1	9223372036854775806	100	1	10	0	0
select next value for t1;
next value for t1
11
drop sequence t1;
#
# ALTER TABLE
#
CREATE SEQUENCE t1 engine=innodb;
select next value for t1;
next value for t1
1
alter table t1 rename t2;
select next value for t2;
next value for t2
1001
rename table t2 to t1;
select next value for t1;
next value for t1
2001
alter table t1 comment="foo";
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=InnoDB COMMENT='foo'
alter table t1 engine=myisam;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=MyISAM COMMENT='foo'
alter table t1 engine=innodb;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 1 cache 1000 nocycle ENGINE=InnoDB COMMENT='foo'
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
3001	1	9223372036854775806	1	1	1000	0	0
drop sequence t1;
CREATE SEQUENCE t1 engine=myisam;
alter sequence t1 minvalue=100;
ERROR HY000: Sequence 'test.t1' has out of range value for options
drop sequence t1;
CREATE SEQUENCE t1 engine=myisam;
alter sequence t1 minvalue=25 maxvalue=20;
ERROR HY000: Sequence 'test.t1' has out of range value for options
drop sequence t1;
create table t1 (a int);
alter sequence t1 minvalue=100;
ERROR 42S02: 'test.t1' is not a SEQUENCE
drop table t1;
alter sequence if exists t1 minvalue=100;
ERROR 42S02: Unknown SEQUENCE: 't1'
alter sequence t1 minvalue=100;
ERROR 42S02: Unknown SEQUENCE: 't1'
create sequence t1;
alter sequence t1;
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 '' at line 1
drop sequence t1;
CREATE SEQUENCE t1 maxvalue=100;
alter sequence t1 increment=-2 start with 50;
select next value for t1;
next value for t1
1
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
0	1	100	50	-2	1000	0	0
alter sequence t1 restart;
select next value for t1;
next value for t1
50
alter sequence t1 restart with 90;
select next value for t1;
next value for t1
90
drop sequence t1;
CREATE SEQUENCE t1 engine=innodb;
ALTER IGNORE TABLE t1 ADD CHECK (start_value < minimum_value);
ERROR HY000: Sequence 'test.t1' table structure is invalid (Sequence tables cannot have any constraints)
DROP SEQUENCE t1;
CREATE SEQUENCE s;
ALTER TABLE s ORDER BY cache_size;
ERROR HY000: Sequence 'test.s' table structure is invalid (ORDER BY)
SELECT NEXTVAL(s);
NEXTVAL(s)
1
DROP SEQUENCE s;