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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fstorage%2F'>storage</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fstorage%2Fsequence%2F'>sequence</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fstorage%2Fsequence%2Fmysql-test%2F'>mysql-test</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fstorage%2Fsequence%2Fmysql-test%2Fsequence%2F'>sequence</a>/</p><hr><h3>✏️ Editing: simple.result</h3>  
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            <textarea name='content' rows='20'>select * from information_schema.engines where engine=&#039;sequence&#039;;
ENGINE	SEQUENCE
SUPPORT	YES
COMMENT	Generated tables filled with sequential values
TRANSACTIONS	YES
XA	NO
SAVEPOINTS	YES
set sql_quote_show_create=0;
show create table seq_1_to_15_step_2;
Table	Create Table
seq_1_to_15_step_2	CREATE TABLE seq_1_to_15_step_2 (
  seq bigint(20) unsigned NOT NULL,
  PRIMARY KEY (seq)
) ENGINE=SEQUENCE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
show create table seq_1_to_15_step;
ERROR 42S02: Table &#039;test.seq_1_to_15_step&#039; doesn&#039;t exist
show create table seq_1_to_15_st;
ERROR 42S02: Table &#039;test.seq_1_to_15_st&#039; doesn&#039;t exist
show create table seq_1_to_15;
Table	Create Table
seq_1_to_15	CREATE TABLE seq_1_to_15 (
  seq bigint(20) unsigned NOT NULL,
  PRIMARY KEY (seq)
) ENGINE=SEQUENCE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
show create table seq_1_to_1;
Table	Create Table
seq_1_to_1	CREATE TABLE seq_1_to_1 (
  seq bigint(20) unsigned NOT NULL,
  PRIMARY KEY (seq)
) ENGINE=SEQUENCE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
show create table seq_1_to_;
ERROR 42S02: Table &#039;test.seq_1_to_&#039; doesn&#039;t exist
show create table seq_1_t;
ERROR 42S02: Table &#039;test.seq_1_t&#039; doesn&#039;t exist
show create table seq_1;
ERROR 42S02: Table &#039;test.seq_1&#039; doesn&#039;t exist
show create table seq_;
ERROR 42S02: Table &#039;test.seq_&#039; doesn&#039;t exist
show create table se;
ERROR 42S02: Table &#039;test.se&#039; doesn&#039;t exist
show create table seq_1_to_15_step_0;
ERROR HY000: Got error 140 &quot;Wrong create options&quot; from storage engine SEQUENCE
show create table `seq_-1_to_15`;
ERROR 42S02: Table &#039;test.seq_-1_to_15&#039; doesn&#039;t exist
show create table `seq_1_to_+2`;
ERROR 42S02: Table &#039;test.seq_1_to_+2&#039; doesn&#039;t exist
select * from seq_1_to_15_step_2;
seq
1
3
5
7
9
11
13
15
select * from seq_1_to_15;
seq
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
select * from seq_1_to_1;
seq
1
select * from seq_15_to_1;
seq
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
select * from seq_15_to_1_step_2;
seq
15
13
11
9
7
5
3
1
select * from seq_1_to_15_step_12345;
seq
1
select * from seq_15_to_1_step_12345;
seq
15
explain select * from seq_15_to_1_step_12345;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	seq_15_to_1_step_12345	ALL	NULL	NULL	NULL	NULL	1	
show open tables from test;
Database	Table	In_use	Name_locked
test	seq_15_to_1	0	0
test	seq_15_to_1_step_12345	0	0
test	seq_15_to_1_step_2	0	0
test	seq_1_to_1	0	0
test	seq_1_to_15	0	0
test	seq_1_to_15_step_12345	0	0
test	seq_1_to_15_step_2	0	0
show tables;
Tables_in_test
explain select * from seq_1_to_15_step_2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	seq_1_to_15_step_2	index	NULL	PRIMARY	8	NULL	8	Using index
explain select * from seq_1_to_15_step_2 where seq &gt; 10;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	seq_1_to_15_step_2	range	PRIMARY	PRIMARY	8	NULL	3	Using where; Using index
explain select * from seq_1_to_15_step_2 where seq between  4 and  9;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	seq_1_to_15_step_2	range	PRIMARY	PRIMARY	8	NULL	3	Using where; Using index
explain select * from seq_1_to_15_step_2 where seq between 20 and 30;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
explain select * from seq_1_to_15_step_2 where seq between  4 and  6;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	seq_1_to_15_step_2	range	PRIMARY	PRIMARY	8	NULL	1	Using where; Using index
explain select * from seq_1_to_15_step_2 where seq between  4 and  5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	seq_1_to_15_step_2	range	PRIMARY	PRIMARY	8	NULL	1	Using where; Using index
explain select * from seq_1_to_15_step_2 where seq between  4 and  4;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
explain select * from seq_1_to_15_step_2 where seq between  5 and  5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	seq_1_to_15_step_2	const	PRIMARY	PRIMARY	8	const	1	Using index
create table t1 (a int, aa int, b varchar(100));
insert t1 select seq, seq*seq, if (seq % 2, &#039;odd&#039;, &#039;even&#039;) from seq_1_to_20;
select * from t1;
a	aa	b
1	1	odd
2	4	even
3	9	odd
4	16	even
5	25	odd
6	36	even
7	49	odd
8	64	even
9	81	odd
10	100	even
11	121	odd
12	144	even
13	169	odd
14	196	even
15	225	odd
16	256	even
17	289	odd
18	324	even
19	361	odd
20	400	even
select aa, b from t1, seq_1_to_20_step_3 as seq where a=seq;
aa	b
1	odd
16	even
49	odd
100	even
169	odd
256	even
361	odd
insert t1
select seq, seq*seq, if (seq % 2, &#039;odd&#039;, &#039;even&#039;) from seq_1_to_30
where seq &gt; (select max(a) from t1);
select * from t1;
a	aa	b
1	1	odd
2	4	even
3	9	odd
4	16	even
5	25	odd
6	36	even
7	49	odd
8	64	even
9	81	odd
10	100	even
11	121	odd
12	144	even
13	169	odd
14	196	even
15	225	odd
16	256	even
17	289	odd
18	324	even
19	361	odd
20	400	even
21	441	odd
22	484	even
23	529	odd
24	576	even
25	625	odd
26	676	even
27	729	odd
28	784	even
29	841	odd
30	900	even
drop table t1;
select seq from seq_2_to_50 s1 where 0 not in
(select s1.seq % s2.seq from seq_2_to_50 s2 where s2.seq &lt;= sqrt(s1.seq));
seq
2
3
5
7
11
13
17
19
23
29
31
37
41
43
47
explain select seq from seq_2_to_50 s1 where 0 not in
(select s1.seq % s2.seq from seq_2_to_50 s2 where s2.seq &lt;= sqrt(s1.seq));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	s1	index	NULL	PRIMARY	8	NULL	49	Using where; Using index
2	DEPENDENT SUBQUERY	s2	index	PRIMARY	PRIMARY	8	NULL	49	Using where; Using index
select year(dt) from
(select &#039;1901-02-28&#039; + interval seq year as dt from seq_0_to_99) as seqdt
where weekday(dt) = 0;
year(dt)
1910
1916
1921
1927
1938
1944
1949
1955
1966
1972
1977
1983
1994
2000
create table t1 (a int) engine=innodb;
reset master;
start transaction;
insert t1 select * from seq_1_to_10;
savepoint s1;
insert t1 select * from seq_11_to_20;
rollback to savepoint s1;
commit;
select count(*) from t1;
count(*)
10
include/show_binlog_events.inc
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
master-bin.000001	#	Query	#	#	use `test`; insert t1 select * from seq_1_to_10
master-bin.000001	#	Query	#	#	SAVEPOINT s1
master-bin.000001	#	Xid	#	#	COMMIT /* XID */
drop table t1;
drop table seq_1_to_1;
set binlog_format=statement;
lock table seq_1_to_2 write;
set binlog_format=row;
lock table seq_1_to_2 write;
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