mirror of
https://github.com/MariaDB/server.git
synced 2025-02-05 21:32:18 +01:00
![Oleksandr Byelkin](/assets/img/avatar_default.png)
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEF39AEP5WyjM2MAMF8WVvJMdM0dgFAmck77AACgkQ8WVvJMdM 0dgccQ/+Lls8fWt4D+gMPP7x+drJSO/IE/gZFt3ugbWF+/p3B2xXAs5AAE83wxEh QSbp4DCkb/9PnuakhLmzg0lFbxMUlh4rsJ1YyiuLB2J+YgKbAc36eQQf+rtYSipd DT5uRk36c9wOcOXo/mMv4APEvpPXBIBdIL4VvpKFbIOE7xT24Sp767zWXdXqrB1f JgOQdM2ct+bvSPC55oZ5p1kqyxwvd6K6+3RB3CIpwW9zrVSLg7enT3maLjj/761s jvlRae+Cv+r+Hit9XpmEH6n2FYVgIJ3o3WhdAHwN0kxKabXYTg7OCB7QxDZiUHI9 C/5goKmKaPB1PCQyuTQyLSyyK9a8nPfgn6tqw/p/ZKDQhKT9sWJv/5bSWecrVndx LLYifSTrFC/eXLzgPvCnNv/U8SjsZaAdMIKS681+qDJ0P5abghUIlGnMYTjYXuX1 1B6Vrr0bdrQ3V1CLB3tpkRjpUvicrsabtuAUAP65QnEG2G9UJXklOer+DE291Gsl f1I0o6C1zVGAOkUUD3QEYaHD8w7hlvyfKme5oXKUm3DOjaAar5UUKLdr6prxRZL4 ebhmGEy42Mf8fBYoeohIxmxgvv6h2Xd9xCukgPp8hFpqJGw8abg7JNZTTKH4h2IY J51RpD10h4eoi6WRn3opEcjexTGvZ+xNR7yYO5WxWw6VIre9IUA= =s+WW -----END PGP SIGNATURE----- Merge tag '11.4' into 11.6 MariaDB 11.4.4 release
852 lines
23 KiB
Text
852 lines
23 KiB
Text
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 'SELECT'
|
|
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;
|
|
#
|
|
# End of 11.5 tests
|
|
#
|