CREATE SEQUENCE t1 start with 1 minvalue 1 maxvalue 10 increment by 1 cache 2 cycle;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `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
select next value for t1;
next value for t1
1
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
3	0
select next value for t1;
next value for t1
2
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
3	0
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
5	0
select next value for t1;
next value for t1
4
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
5	0
select next value for t1;
next value for t1
5
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
7	0
select next value for t1;
next value for t1
6
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
7	0
select next value for t1;
next value for t1
7
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
9	0
select next value for t1;
next value for t1
8
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
9	0
select next value for t1;
next value for t1
9
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
11	0
select next value for t1;
next value for t1
10
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
11	0
select next value for t1;
next value for t1
1
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
3	1
select NEXT VALUE for t1,seq from seq_1_to_20;
NEXT VALUE for t1	seq
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
1	10
2	11
3	12
4	13
5	14
6	15
7	16
8	17
9	18
10	19
1	20
drop sequence t1;
CREATE SEQUENCE t1 minvalue 1 maxvalue 10 increment by -1 cache 2 cycle engine=aria;
select next value for t1;
next value for t1
10
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
8	0
select next value for t1;
next value for t1
9
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
8	0
select next value for t1;
next value for t1
8
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
6	0
select next value for t1;
next value for t1
7
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
6	0
select next value for t1;
next value for t1
6
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
4	0
select next value for t1;
next value for t1
5
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
4	0
select next value for t1;
next value for t1
4
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
2	0
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
2	0
select next value for t1;
next value for t1
2
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
0	0
select next value for t1;
next value for t1
1
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
0	0
select next value for t1;
next value for t1
10
select next_not_cached_value,cycle_count from t1;
next_not_cached_value	cycle_count
8	1
select NEXT VALUE for t1,seq from seq_1_to_20;
NEXT VALUE for t1	seq
9	1
8	2
7	3
6	4
5	5
4	6
3	7
2	8
1	9
10	10
9	11
8	12
7	13
6	14
5	15
4	16
3	17
2	18
1	19
10	20
drop sequence t1;
CREATE SEQUENCE t1 start with 8 minvalue 1 maxvalue 10 increment by 1 cache 2 nocycle;
select next value for t1;
next value for t1
8
select next value for t1;
next value for t1
9
select next value for t1;
next value for t1
10
select previous value for t1;
previous value for t1
10
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
select previous value for t1;
previous value for t1
NULL
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
drop sequence t1;
create sequence s1 start with 1 cache 2 maxvalue 5;
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
select next value for s1;
next value for s1
5
select next value for s1;
ERROR HY000: Sequence 'test.s1' has run out
drop sequence s1;
CREATE SEQUENCE t1 start with 1 minvalue 1 maxvalue 100 increment by 1 cache 10;
select next value for t1;
next value for t1
1
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
11	1	100	1	1	10	0	0
flush tables;
select next value for t1;
next value for t1
11
select nextval(t1);
nextval(t1)
12
drop sequence t1;
CREATE SEQUENCE t9 start with 1 minvalue 1 maxvalue 10 increment by 1 cache 5 cycle;
select previous value for t9;
previous value for t9
NULL
select next value for t9;
next value for t9
1
select previous value for t9, lastval(t9);
previous value for t9	lastval(t9)
1	1
select next value for t9;
next value for t9
2
select previous value for t9, lastval(t9);
previous value for t9	lastval(t9)
2	2
select seq, previous value for t9, NEXT VALUE for t9, previous value for t9 from seq_1_to_20;
seq	previous value for t9	NEXT VALUE for t9	previous value for t9
1	2	3	3
2	3	4	4
3	4	5	5
4	5	6	6
5	6	7	7
6	7	8	8
7	8	9	9
8	9	10	10
9	10	1	1
10	1	2	2
11	2	3	3
12	3	4	4
13	4	5	5
14	5	6	6
15	6	7	7
16	7	8	8
17	8	9	9
18	9	10	10
19	10	1	1
20	1	2	2
select * from t9;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
6	1	10	1	1	5	1	2
drop sequence t9;
CREATE SEQUENCE s1 cache=0;
select * from s1;
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 s1;
next value for s1
1
select next_not_cached_value from s1;
next_not_cached_value
2
select next value for s1;
next value for s1
2
select next_not_cached_value from s1;
next_not_cached_value
3
DROP SEQUENCE s1;
CREATE SEQUENCE s1 cache=1;
select next_not_cached_value from s1;
next_not_cached_value
1
select next value for s1;
next value for s1
1
select next_not_cached_value from s1;
next_not_cached_value
2
select next value for s1;
next value for s1
2
select next_not_cached_value from s1;
next_not_cached_value
3
DROP SEQUENCE s1;
CREATE SEQUENCE s1 cache=2;
select next_not_cached_value from s1;
next_not_cached_value
1
select next value for s1;
next value for s1
1
select next_not_cached_value from s1;
next_not_cached_value
3
select next value for s1;
next value for s1
2
select next_not_cached_value from s1;
next_not_cached_value
3
DROP SEQUENCE s1;
CREATE SEQUENCE s1;
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
alter sequence s1 increment -2;
select * from s1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
1001	1	9223372036854775806	1	-2	1000	0	0
select next value for s1;
next value for s1
1001
select next value for s1;
next value for s1
999
alter sequence s1 restart 6;
select next value for s1;
next value for s1
6
select next value for s1;
next value for s1
4
select next value for s1;
next value for s1
2
select next value for s1;
ERROR HY000: Sequence 'test.s1' has run out
DROP SEQUENCE s1;
CREATE SEQUENCE t1 start with 1 minvalue 1 maxvalue 10 increment by 1 cache 5 cycle;
select next value for t1;
next value for t1
1
select previous value for t1;
previous value for t1
1
flush tables;
select previous value for t1;
previous value for t1
1
drop sequence t1;
select previous value for t1;
ERROR 42S02: Unknown SEQUENCE: 't1'
CREATE SEQUENCE t1 start with 5 minvalue 1 maxvalue 10 increment by 1 cache 5 cycle;
select previous value for t1;
previous value for t1
NULL
select next value for t1;
next value for t1
5
select previous value for t1;
previous value for t1
5
drop sequence t1;
CREATE or replace SEQUENCE  s1  MINVALUE 1 MAXVALUE 9999999999
INCREMENT BY 1 START WITH 3984356 CACHE 20 CYCLE engine=innodb;
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=InnoDB SEQUENCE=1
select * from s1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
3984356	1	9999999999	3984356	1	20	1	0
select NEXT VALUE FOR s1;
NEXT VALUE FOR s1
3984356
select NEXT VALUE FOR s1;
NEXT VALUE FOR s1
3984357
select NEXT VALUE FOR s1;
NEXT VALUE FOR s1
3984358
select * from s1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
3984376	1	9999999999	3984356	1	20	1	0
FLUSH TABLES;
select * from s1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
3984376	1	9999999999	3984356	1	20	1	0
select NEXT VALUE FOR s1;
NEXT VALUE FOR s1
3984376
select * from s1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
3984396	1	9999999999	3984356	1	20	1	0
drop sequence s1;
CREATE SEQUENCE t1 start with 5 minvalue 1 maxvalue 10 increment by 1 cache 5 cycle;
explain select next value for t1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
explain select next value for t1, minimum_value from t1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	
drop table t1;
CREATE SEQUENCE s1;
CREATE TABLE t1 (a int);
insert into t1 values (next value for s1);
insert into t1 values (next value for s1);
select * from t1;
a
1
2
drop table t1,s1;
CREATE SEQUENCE s1;
CREATE TABLE t1 (a int primary key auto_increment, b int default 0) engine=myisam;
insert into t1 values (),(),(),(),(),(),();
update t1 set b= next value for s1 where a <= 3;
select * from t1;
a	b
1	1
2	2
3	3
4	0
5	0
6	0
7	0
drop table t1,s1;
CREATE OR REPLACE SEQUENCE s1 MINVALUE 1 MAXVALUE 9999999999 INCREMENT BY 1 START WITH 3984356 nocache CYCLE engine='innodb';
select * from s1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
3984356	1	9999999999	3984356	1	0	1	0
select next value for s1;
next value for s1
3984356
explain extended select next value for s1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select nextval(`test`.`s1`) AS `next value for s1`
explain extended select previous value for s1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select lastval(`test`.`s1`) AS `previous value for s1`
drop sequence s1;
create table t1 (a int);
select next value for t1;
ERROR 42S02: 'test.t1' is not a SEQUENCE
drop table t1;
create sequence t1;
select next value for t1;
next value for t1
1
select next value for t1, minimum_value;
ERROR 42S22: Unknown column 'minimum_value' in 'field list'
drop sequence t1;
#
# MDEV-12854 Synchronize CREATE..SELECT data type and result set metadata data type for INT functions
#
CREATE SEQUENCE s1;
SELECT
NEXT VALUE FOR s1,
PREVIOUS VALUE FOR s1;
Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
def					NEXT VALUE FOR s1	8	20	1	Y	32896	0	63
def					PREVIOUS VALUE FOR s1	8	20	1	Y	32896	0	63
NEXT VALUE FOR s1	PREVIOUS VALUE FOR s1
1	1
DROP SEQUENCE s1;
#
# MDEV-13720 ER_NOT_SEQUENCE for temporary table
#
create temporary table tmp (i int);
select next value for tmp;
ERROR 42S02: 'test.tmp' is not a SEQUENCE
drop table tmp;
#
# Test negative numbers
#
create sequence s start with 1 minvalue=-1000 maxvalue=1000 increment -1;
select next value for s;
next value for s
1
select next value for s;
next value for s
0
flush tables;
select next value for s;
next value for s
-999
drop sequence s;
#
# MDEV-23823 NEXT VALUE crash on locked view
#
CREATE VIEW v AS SELECT 1;
LOCK TABLE v READ;
SELECT NEXT VALUE FOR v;
ERROR 42S02: 'test.v' is not a SEQUENCE
#
# MDEV-24018: SIGSEGV in Item_func_nextval::update_table on SELECT SETVAL
#
SELECT SETVAL (v,0);
ERROR 42S02: 'test.v' is not a SEQUENCE
UNLOCK TABLES;
DROP VIEW v;
#
# MDEV-28152 Features for sequence
#
create or replace sequence t1 as tinyint unsigned minvalue 1 maxvalue 2;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` as tinyint unsigned start with 1 minvalue 1 maxvalue 2 increment by 1 cache 1000 nocycle ENGINE=MyISAM
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `next_not_cached_value` tinyint(5) unsigned NOT NULL,
  `minimum_value` tinyint(5) unsigned NOT NULL,
  `maximum_value` tinyint(5) unsigned NOT NULL,
  `start_value` tinyint(5) unsigned 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
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
1	1	2	1	1	1000	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;
ERROR HY000: Sequence 'test.t1' has run out
create or replace sequence t1 as tinyint unsigned minvalue 1 maxvalue 2 cycle;
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` as tinyint unsigned start with 1 minvalue 1 maxvalue 2 increment by 1 cache 1000 cycle ENGINE=MyISAM
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `next_not_cached_value` tinyint(5) unsigned NOT NULL,
  `minimum_value` tinyint(5) unsigned NOT NULL,
  `maximum_value` tinyint(5) unsigned NOT NULL,
  `start_value` tinyint(5) unsigned 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
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
1	1	2	1	1	1000	1	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
1
create or replace sequence t1 minvalue -23 maxvalue 99999 as tinyint;
Warnings:
Note	1292	Truncated incorrect INTEGER value: 'MAXVALUE'
show create sequence t1;
Table	Create Table
t1	CREATE SEQUENCE `t1` as tinyint start with -23 minvalue -23 maxvalue 126 increment by 1 cache 1000 nocycle ENGINE=MyISAM
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `next_not_cached_value` tinyint(5) NOT NULL,
  `minimum_value` tinyint(5) NOT NULL,
  `maximum_value` tinyint(5) NOT NULL,
  `start_value` tinyint(5) 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
select * from t1;
next_not_cached_value	minimum_value	maximum_value	start_value	increment	cache_size	cycle_option	cycle_count
-23	-23	126	-23	1	1000	0	0
select next value for t1;
next value for t1
-23
select next value for t1;
next value for t1
-22
select next value for t1;
next value for t1
-21
create or replace sequence t1 as bigint unsigned start with 18446744073709551614;
select previous value for t1;
previous value for t1
NULL
select next value for t1;
next value for t1
18446744073709551614
select previous value for t1;
previous value for t1
18446744073709551614
create or replace sequence t1 as tinyint start with 126;
select next value for t1;
next value for t1
126
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as tinyint unsigned start with 254;
select next value for t1;
next value for t1
254
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as smallint start with 32766;
select next value for t1;
next value for t1
32766
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as smallint unsigned start with 65534;
select next value for t1;
next value for t1
65534
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as mediumint start with 8388606;
select next value for t1;
next value for t1
8388606
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as mediumint unsigned start with 16777214;
select next value for t1;
next value for t1
16777214
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as int start with 2147483646;
select next value for t1;
next value for t1
2147483646
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as int unsigned start with 4294967294;
select next value for t1;
next value for t1
4294967294
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as bigint start with 9223372036854775806;
select next value for t1;
next value for t1
9223372036854775806
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as bigint unsigned start with 18446744073709551614;
select next value for t1;
next value for t1
18446744073709551614
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
1
create or replace sequence t1 as tinyint start with -127 increment -1;
select next value for t1;
next value for t1
-127
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
-1
create or replace sequence t1 as tinyint unsigned start with 1 increment -1;
select next value for t1;
next value for t1
1
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
254
create or replace sequence t1 as smallint start with -32767 increment -1;
select next value for t1;
next value for t1
-32767
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
-1
create or replace sequence t1 as smallint unsigned start with 1 increment -1;
select next value for t1;
next value for t1
1
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
65534
create or replace sequence t1 as mediumint start with -8388607 increment -1;
select next value for t1;
next value for t1
-8388607
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
-1
create or replace sequence t1 as mediumint unsigned start with 1 increment -1;
select next value for t1;
next value for t1
1
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
16777214
create or replace sequence t1 as int start with -2147483647 increment -1;
select next value for t1;
next value for t1
-2147483647
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
-1
create or replace sequence t1 as int unsigned start with 1 increment -1;
select next value for t1;
next value for t1
1
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
4294967294
create or replace sequence t1 as bigint start with -9223372036854775807 increment -1;
select next value for t1;
next value for t1
-9223372036854775807
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
-1
create or replace sequence t1 as bigint unsigned start with 1 increment -1;
select next value for t1;
next value for t1
1
select next value for t1;
ERROR HY000: Sequence 'test.t1' has run out
alter sequence t1 cycle;
select next value for t1;
next value for t1
18446744073709551614
drop sequence t1;