drop table if exists t1, t2;
CREATE TABLE t1 (a INT, b INT)
PARTITION BY LIST (a)
SUBPARTITION BY HASH (b)
(PARTITION p1 VALUES IN (1));
ALTER TABLE t1 ADD COLUMN c INT;
DROP TABLE t1;
CREATE TABLE t1 (
a int NOT NULL,
b int NOT NULL);
CREATE TABLE t2 (
a int NOT NULL,
b int NOT NULL,
INDEX(b)
)
PARTITION BY HASH(a) PARTITIONS 2;
INSERT INTO t1 VALUES (399, 22);
INSERT INTO t2 VALUES (1, 22), (1, 42);
INSERT INTO t2 SELECT 1, 399 FROM t2, t1
WHERE t1.b = t2.b;
DROP TABLE t1, t2;
CREATE TABLE t1 (
a timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
b varchar(10),
PRIMARY KEY (a)
)
PARTITION BY RANGE (UNIX_TIMESTAMP(a)) (
PARTITION p1 VALUES LESS THAN (1199134800),
PARTITION pmax VALUES LESS THAN MAXVALUE
);
INSERT INTO t1 VALUES ('2007-07-30 17:35:48', 'p1');
INSERT INTO t1 VALUES ('2009-07-14 17:35:55', 'pmax');
INSERT INTO t1 VALUES ('2009-09-21 17:31:42', 'pmax');
SELECT * FROM t1;
a	b
2007-07-30 17:35:48	p1
2009-07-14 17:35:55	pmax
2009-09-21 17:31:42	pmax
ALTER TABLE t1 REORGANIZE PARTITION pmax INTO (
PARTITION p3 VALUES LESS THAN (1247688000),
PARTITION pmax VALUES LESS THAN MAXVALUE);
SELECT * FROM t1;
a	b
2007-07-30 17:35:48	p1
2009-07-14 17:35:55	pmax
2009-09-21 17:31:42	pmax
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `b` varchar(10) DEFAULT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (UNIX_TIMESTAMP(a))
(PARTITION p1 VALUES LESS THAN (1199134800) ENGINE = MyISAM,
 PARTITION p3 VALUES LESS THAN (1247688000) ENGINE = MyISAM,
 PARTITION pmax VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
DROP TABLE t1;
create table t1 (a int NOT NULL, b varchar(5) NOT NULL)
default charset=utf8
partition by list (a)
subpartition by key (b)
(partition p0 values in (1),
partition p1 values in (2));
drop table t1;
create table t1 (a int, b int, key(a))
partition by list (a)
( partition p0 values in (1),
partition p1 values in (2));
insert into t1 values (1,1),(2,1),(2,2),(2,3);
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	NULL	NULL	NULL	YES	BTREE		
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
show indexes from t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	A	1	NULL	NULL	YES	BTREE		
drop table t1;
create table t1 (a int)
partition by hash (a);
create index i on t1 (a);
insert into t1 values (1);
insert into t1 select * from t1;
create index i on t1 (a);
ERROR 42000: Duplicate key name 'i'
create index i2 on t1 (a);
drop table t1;
CREATE TABLE t1 (a INT, FOREIGN KEY (a) REFERENCES t0 (a))
ENGINE=MyISAM
PARTITION BY HASH (a);
ERROR HY000: Foreign key clause is not yet supported in conjunction with partitioning
CREATE TABLE t1 (
pk INT NOT NULL AUTO_INCREMENT,
PRIMARY KEY (pk)
)
/*!50100 PARTITION BY HASH (pk)
PARTITIONS 2 */;
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1 WHERE pk < 0 ORDER BY pk;
pk
DROP TABLE t1;
CREATE TABLE t1 (a INT)
ENGINE=NonExistentEngine;
Warnings:
Warning	1286	Unknown storage engine 'NonExistentEngine'
Warning	1266	Using storage engine MyISAM for table 't1'
DROP TABLE t1;
CREATE TABLE t1 (a INT)
ENGINE=NonExistentEngine
PARTITION BY HASH (a);
Warnings:
Warning	1286	Unknown storage engine 'NonExistentEngine'
Warning	1266	Using storage engine MyISAM for table 't1'
DROP TABLE t1;
CREATE TABLE t1 (a INT)
ENGINE=Memory;
ALTER TABLE t1 ENGINE=NonExistentEngine;
Warnings:
Warning	1286	Unknown storage engine 'NonExistentEngine'
ALTER TABLE t1
PARTITION BY HASH (a)
(PARTITION p0 ENGINE=Memory,
PARTITION p1 ENGINE=NonExistentEngine);
Warnings:
Warning	1286	Unknown storage engine 'NonExistentEngine'
ALTER TABLE t1 ENGINE=NonExistentEngine;
Warnings:
Warning	1286	Unknown storage engine 'NonExistentEngine'
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (a)
(PARTITION p0 ENGINE = MEMORY,
 PARTITION p1 ENGINE = MEMORY) */
DROP TABLE t1;
CREATE TABLE t1 (a INT NOT NULL, KEY(a))
PARTITION BY RANGE(a)
(PARTITION p1 VALUES LESS THAN (200), PARTITION pmax VALUES LESS THAN MAXVALUE);
INSERT INTO t1 VALUES (2), (40), (40), (70), (60), (90), (199);
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95 ORDER BY a ASC;
a
60
70
90
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95;
a
60
70
90
INSERT INTO t1 VALUES (200), (250), (210);
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220 ORDER BY a ASC;
a
60
70
90
199
200
210
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220 ORDER BY a ASC;
a
200
210
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95 ORDER BY a DESC;
a
90
70
60
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220 ORDER BY a DESC;
a
210
200
199
90
70
60
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220 ORDER BY a DESC;
a
210
200
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220;
a
199
200
210
60
70
90
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220;
a
200
210
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95;
a
60
70
90
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220;
a
199
200
210
60
70
90
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220;
a
200
210
DROP TABLE t1;
CREATE TABLE t1 (
a INT NOT NULL,   
b MEDIUMINT NOT NULL,   
c INT NOT NULL,
KEY b (b)
) ENGINE=MyISAM
PARTITION BY LIST (a) (
PARTITION p0 VALUES IN (1) 
);
INSERT INTO t1 VALUES (1,1,0), (1,1,1), (1,1,2), (1,1,53), (1,1,4), (1,1,5),
(1,1,6), (1,1,7), (1,1,8), (1,1,9), (1,1,10), (1,1,11), (1,1,12), (1,1,13),
(1,1,14), (1,1,15), (1,1,16), (1,1,67), (1,1,18), (1,1,19), (1,1,20), (1,1,21),
(1,1,22), (1,1,23), (1,1,24), (1,1,75), (1,1,26), (1,1,27), (1,1,128),
(1,1,79), (1,1,30), (1,1,31), (1,1,32), (1,1,33), (1,1,34), (1,1,85), (1,1,36),
(1,1,37), (1,1,38), (1,1,39), (1,1,40), (1,1,241), (1,1,42), (1,1,43),
(1,1,44), (1,1,45), (1,1,46), (1,1,147), (1,1,48), (1,1,49), (1,2,0), (1,2,1),
(1,2,2), (1,2,3), (1,2,4), (1,2,5), (1,2,6), (1,2,7), (1,2,8), (1,2,9),
(1,2,10), (1,2,11), (1,2,12), (1,2,13), (1,2,14), (1,2,15), (1,2,16), (1,2,17),
(1,2,18), (1,2,19), (1,2,20), (1,2,21), (1,2,22), (1,2,23), (1,2,24), (1,2,25),
(1,2,26), (1,2,27), (1,2,28), (1,2,29), (1,2,30), (1,2,31), (1,2,32), (1,2,33),
(1,2,34), (1,2,35), (1,2,36), (1,2,37), (1,2,38), (1,2,39), (1,2,40), (1,2,41),
(1,2,42), (1,2,43), (1,2,44), (1,2,45), (1,2,46), (1,2,47), (1,2,48), (1,2,49),
(1,6,0), (1,6,1), (1,6,2), (1,6,3), (1,6,4), (1,6,5), (1,6,6), (1,6,7),
(1,6,8), (1,6,9), (1,6,10), (1,6,11), (1,6,12), (1,6,13), (1,6,14), (1,6,15),
(1,6,16), (1,6,17), (1,6,18), (1,6,19), (1,6,20), (1,6,21), (1,6,22), (1,6,23),
(1,6,24), (1,6,25), (1,6,26), (1,6,27), (1,6,28), (1,6,29), (1,6,30), (1,6,31),
(1,6,32), (1,6,33), (1,6,34), (1,6,35), (1,6,36), (1,6,37), (1,6,38), (1,6,39),
(1,6,40), (1,6,41), (1,6,42), (1,6,43), (1,6,44), (1,6,45), (1,6,46), (1,6,47),
(1,6,48), (1,6,49), (1,7,0), (1,7,1), (1,7,2), (1,7,3), (1,7,4), (1,7,5),
(1,7,6), (1,7,7), (1,7,8), (1,7,9), (1,7,10), (1,7,11), (1,7,12), (1,7,13),
(1,7,14), (1,7,15), (1,7,16), (1,7,17), (1,7,18), (1,7,19), (1,7,20), (1,7,21),
(1,7,22), (1,7,23), (1,7,24), (1,7,25), (1,7,26), (1,7,27), (1,7,28), (1,7,29),
(1,7,30), (1,7,31), (1,7,32), (1,7,33), (1,7,34), (1,7,35), (1,7,38), (1,7,39),
(1,7,90), (1,7,41), (1,7,43), (1,7,48), (1,7,49), (1,9,0), (1,9,1), (1,9,2),
(1,9,3), (1,9,4), (1,9,5), (1,9,6), (1,9,7), (1,9,8), (1,9,9), (1,9,10),
(1,9,11), (1,9,12), (1,9,13), (1,9,14), (1,9,15), (1,9,16), (1,9,17), (1,9,18),
(1,9,19), (1,9,20), (1,9,21), (1,9,22), (1,9,23), (1,9,24), (1,9,25), (1,9,26),
(1,9,29), (1,9,32), (1,9,35), (1,9,38), (1,10,0), (1,10,1), (1,10,2), (1,10,3),
(1,10,4), (1,10,5), (1,10,6), (1,10,7), (1,10,8), (1,10,9), (1,10,10),
(1,10,11), (1,10,13), (1,10,14), (1,10,15), (1,10,16), (1,10,17), (1,10,18),
(1,10,22), (1,10,24), (1,10,25), (1,10,26), (1,10,28), (1,10,131), (1,10,33),
(1,10,84), (1,10,35), (1,10,40), (1,10,42), (1,10,49), (1,11,0), (1,11,1),
(1,11,2), (1,11,3), (1,11,4), (1,11,5), (1,11,6), (1,11,7), (1,11,8), (1,11,9),
(1,11,10), (1,11,11), (1,11,12), (1,11,13), (1,11,14), (1,11,15), (1,11,16),
(1,11,17), (1,11,18), (1,11,19), (1,11,20), (1,11,21), (1,11,22), (1,11,23),
(1,11,24), (1,11,25), (1,11,26), (1,11,27), (1,11,28), (1,11,30), (1,11,31),
(1,11,32), (1,11,33), (1,11,34), (1,11,35), (1,11,37), (1,11,39), (1,11,40),
(1,11,42), (1,11,44), (1,11,45), (1,11,47), (1,11,48), (1,14,104), (1,14,58),
(1,14,12), (1,14,13), (1,14,15), (1,14,16), (1,14,17), (1,14,34), (1,15,0),
(1,15,1), (1,15,2), (1,15,3), (1,15,4), (1,15,5), (1,15,7), (1,15,9),
(1,15,15), (1,15,27), (1,15,49), (1,16,0), (1,16,1), (1,16,3), (1,17,4),
(1,19,1);
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
COUNT(*)
24
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SUM(c)
400
ALTER TABLE t1 DROP INDEX b;
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
COUNT(*)
24
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SUM(c)
400
ALTER TABLE t1 ENGINE = Memory;
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
COUNT(*)
24
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SUM(c)
400
ALTER TABLE t1 ADD INDEX b USING HASH (b);
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
COUNT(*)
24
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SUM(c)
400
DROP TABLE t1;
CREATE TABLE `t1` (
`c1` int(11) DEFAULT NULL,
KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
CREATE TABLE `t2` (
`c1` int(11) DEFAULT NULL,
KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (c1) (PARTITION a VALUES LESS THAN (100) ENGINE = MyISAM, PARTITION b VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */;
INSERT INTO `t1` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
INSERT INTO `t2` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	NULL	range	c1	c1	5	NULL	4	Using where; Using index
FLUSH STATUS;
SELECT c1 FROM t1 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
c1
11
12
18
19
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	2
Handler_read_next	4
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	a	range	c1	c1	5	NULL	4	Using where; Using index
FLUSH STATUS;
SELECT c1 FROM t2 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
c1
11
12
18
19
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	2
Handler_read_next	4
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
DROP TABLE t1,t2;
CREATE TABLE `t1` (
`c1` int(11) DEFAULT NULL,
KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
CREATE TABLE `t2` (
`c1` int(11) DEFAULT NULL,
KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (c1)
(PARTITION a VALUES LESS THAN (100) ENGINE = MyISAM,
PARTITION b VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */;
INSERT INTO `t1` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
INSERT INTO `t2` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 2 AND c1 < 5);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	NULL	range	c1	c1	5	NULL	2	Using where; Using index
FLUSH STATUS;
SELECT c1 FROM t1 WHERE (c1 > 2 AND c1 < 5);
c1
3
4
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	1
Handler_read_next	2
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 2 AND c1 < 5);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	a	range	c1	c1	5	NULL	2	Using where; Using index
FLUSH STATUS;
SELECT c1 FROM t2 WHERE (c1 > 2 AND c1 < 5);
c1
3
4
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	1
Handler_read_next	2
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 12 AND c1 < 15);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	NULL	range	c1	c1	5	NULL	2	Using where; Using index
FLUSH STATUS;
SELECT c1 FROM t1 WHERE (c1 > 12 AND c1 < 15);
c1
13
14
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	1
Handler_read_next	2
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 12 AND c1 < 15);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	a	range	c1	c1	5	NULL	2	Using where; Using index
FLUSH STATUS;
SELECT c1 FROM t2 WHERE (c1 > 12 AND c1 < 15);
c1
13
14
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	1
Handler_read_next	2
Handler_read_prev	0
Handler_read_rnd	0
Handler_read_rnd_next	0
DROP TABLE t1,t2;
create table t1 (a int) partition by list ((a/3)*10 div 1)
(partition p0 values in (0), partition p1 values in (1));
ERROR HY000: This partition function is not allowed
CREATE TABLE t1 (
d DATE NOT NULL
)
PARTITION BY RANGE( YEAR(d) ) (
PARTITION p0 VALUES LESS THAN (1960),
PARTITION p1 VALUES LESS THAN (1970),
PARTITION p2 VALUES LESS THAN (1980),
PARTITION p3 VALUES LESS THAN (1990)
);
ALTER TABLE t1 ADD PARTITION (
PARTITION `p5` VALUES LESS THAN (2010)
COMMENT 'APSTART \' APEND'
);
SELECT * FROM t1 LIMIT 1;
d
DROP TABLE t1;
create table t1 (id int auto_increment, s1 int, primary key (id));
insert into t1 values (null,1);
insert into t1 values (null,6);
select * from t1;
id	s1
1	1
2	6
alter table t1 partition by range (id) (
partition p0 values less than (3),
partition p1 values less than maxvalue
);
drop table t1;
create table t1 (a int)
partition by key(a)
partitions 0.2+e1;
ERROR 42000: Only integers allowed as number here near '0.2+e1' at line 3
create table t1 (a int)
partition by key(a)
partitions -1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-1' at line 3
create table t1 (a int)
partition by key(a)
partitions 1.5;
ERROR 42000: Only integers allowed as number here near '1.5' at line 3
create table t1 (a int)
partition by key(a)
partitions 1e+300;
ERROR 42000: Only integers allowed as number here near '1e+300' at line 3
create table t1 (a int)
partition by list (a)
(partition p0 values in (1));
create procedure pz()
alter table t1 engine = myisam;
call pz();
call pz();
drop procedure pz;
drop table t1;
create table t1 (a bigint)
partition by range (a)
(partition p0 values less than (0xFFFFFFFFFFFFFFFF),
partition p1 values less than (10));
ERROR HY000: VALUES value must be of same type as partition function
create table t1 (a bigint)
partition by list (a)
(partition p0 values in (0xFFFFFFFFFFFFFFFF),
partition p1 values in (10));
ERROR HY000: VALUES value must be of same type as partition function
create table t1 (a bigint unsigned)
partition by range (a)
(partition p0 values less than (100),
partition p1 values less than MAXVALUE);
insert into t1 values (1);
drop table t1;
create table t1 (a bigint unsigned)
partition by hash (a);
insert into t1 values (0xFFFFFFFFFFFFFFFD);
insert into t1 values (0xFFFFFFFFFFFFFFFE);
select * from t1 where (a + 1) < 10;
a
select * from t1 where (a + 1) > 10;
a
18446744073709551613
18446744073709551614
drop table t1;
create table t1 (a int)
partition by key(a)
(partition p0 engine = MEMORY);
drop table t1;
create table t1 (a int)
partition by range (a)
subpartition by key (a)
(partition p0 values less than (1));
alter table t1 add partition (partition p1 values less than (2));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (a)
SUBPARTITION BY KEY (a)
(PARTITION p0 VALUES LESS THAN (1) ENGINE = MyISAM,
 PARTITION p1 VALUES LESS THAN (2) ENGINE = MyISAM) */
alter table t1 reorganize partition p1 into (partition p1 values less than (3));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (a)
SUBPARTITION BY KEY (a)
(PARTITION p0 VALUES LESS THAN (1) ENGINE = MyISAM,
 PARTITION p1 VALUES LESS THAN (3) ENGINE = MyISAM) */
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a);
select count(*) from t1;
count(*)
0
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL,
  `b` int(11) NOT NULL,
  `c` int(11) NOT NULL,
  PRIMARY KEY (`a`,`b`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a) */
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a, b);
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1, partition x2, partition x3);
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1 nodegroup 0,
partition x2 nodegroup 1,
partition x3 nodegroup 2);
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1 engine myisam,
partition x2 engine myisam,
partition x3 engine myisam);
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1 tablespace ts1,
partition x2 tablespace ts2,
partition x3 tablespace ts3);
CREATE TABLE t2 LIKE t1;
drop table t2;
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by list (a)
partitions 3
(partition x1 values in (1,2,9,4) tablespace ts1,
partition x2 values in (3, 11, 5, 7) tablespace ts2,
partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by list (b*a)
partitions 3
(partition x1 values in (1,2,9,4) tablespace ts1,
partition x2 values in (3, 11, 5, 7) tablespace ts2,
partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by list (b*a)
(partition x1 values in (1) tablespace ts1,
partition x2 values in (3, 11, 5, 7) tablespace ts2,
partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);
drop table t1;
CREATE TABLE t1 (
a int not null)
partition by key(a);
LOCK TABLES t1 WRITE;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
insert into t1 values (4);
UNLOCK TABLES;
drop table t1;
CREATE TABLE t1 (a int, name VARCHAR(50), purchased DATE)
PARTITION BY RANGE (a)
(PARTITION p0 VALUES LESS THAN (3),
PARTITION p1 VALUES LESS THAN (7),
PARTITION p2 VALUES LESS THAN (9),
PARTITION p3 VALUES LESS THAN (11));
INSERT INTO t1 VALUES
(1, 'desk organiser', '2003-10-15'),
(2, 'CD player', '1993-11-05'),
(3, 'TV set', '1996-03-10'),
(4, 'bookcase', '1982-01-10'),
(5, 'exercise bike', '2004-05-09'),
(6, 'sofa', '1987-06-05'),
(7, 'popcorn maker', '2001-11-22'),
(8, 'acquarium', '1992-08-04'),
(9, 'study desk', '1984-09-16'),
(10, 'lava lamp', '1998-12-25');
SELECT * from t1 ORDER BY a;
a	name	purchased
1	desk organiser	2003-10-15
2	CD player	1993-11-05
3	TV set	1996-03-10
4	bookcase	1982-01-10
5	exercise bike	2004-05-09
6	sofa	1987-06-05
7	popcorn maker	2001-11-22
8	acquarium	1992-08-04
9	study desk	1984-09-16
10	lava lamp	1998-12-25
ALTER TABLE t1 DROP PARTITION p0;
SELECT * from t1 ORDER BY a;
a	name	purchased
3	TV set	1996-03-10
4	bookcase	1982-01-10
5	exercise bike	2004-05-09
6	sofa	1987-06-05
7	popcorn maker	2001-11-22
8	acquarium	1992-08-04
9	study desk	1984-09-16
10	lava lamp	1998-12-25
drop table t1;
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION p0 VALUES IN (1,2,3), PARTITION p1 VALUES IN (4,5,6));
insert into t1 values (1),(2),(3),(4),(5),(6);
select * from t1;
a
1
2
3
4
5
6
truncate t1;
select * from t1;
a
truncate t1;
select * from t1;
a
drop table t1;
CREATE TABLE t1 (a int, b int, primary key(a,b))
PARTITION BY KEY(b,a) PARTITIONS 4;
insert into t1 values (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6);
select * from t1 where a = 4;
a	b
4	4
drop table t1;
CREATE TABLE t1 (c1 INT, c2 INT, PRIMARY KEY USING BTREE (c1,c2)) ENGINE=MEMORY
PARTITION BY KEY(c2,c1) PARTITIONS 4;
INSERT INTO t1 VALUES (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6);
SELECT * FROM t1 WHERE c1 = 4;
c1	c2
4	4
DROP TABLE t1;
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
PARTITIONS 1
(PARTITION x1 VALUES IN (1) ENGINE=MEMORY);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (1) ENGINE = MEMORY) */
drop table t1;
CREATE TABLE t1 (a int, unique(a))
PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (10), PARTITION x2 VALUES IN (20));
REPLACE t1 SET a = 4;
ERROR HY000: Table has no partition for value 4
drop table t1;
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (2), PARTITION x2 VALUES IN (3));
insert into t1 values (2), (3);
insert into t1 values (4);
ERROR HY000: Table has no partition for value 4
insert into t1 values (1);
ERROR HY000: Table has no partition for value 1
drop table t1;
CREATE TABLE t1 (a int)
PARTITION BY HASH(a)
PARTITIONS 5;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (a)
PARTITIONS 5 */
drop table t1;
CREATE TABLE t1 (a int)
PARTITION BY RANGE (a)
(PARTITION x1 VALUES LESS THAN (2));
insert into t1 values (1);
update t1 set a = 5;
ERROR HY000: Table has no partition for value 5
drop table t1;
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (10), PARTITION x2 VALUES IN (20));
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
drop table t1;
create table t1
(a int)
partition by range (a)
( partition p0 values less than(10),
partition p1 values less than (20),
partition p2 values less than (25));
alter table t1 reorganize partition p2 into (partition p2 values less than (30));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (a)
(PARTITION p0 VALUES LESS THAN (10) ENGINE = MyISAM,
 PARTITION p1 VALUES LESS THAN (20) ENGINE = MyISAM,
 PARTITION p2 VALUES LESS THAN (30) ENGINE = MyISAM) */
drop table t1;
CREATE TABLE t1 (a int, b int)
PARTITION BY RANGE (a)
(PARTITION x0 VALUES LESS THAN (2),
PARTITION x1 VALUES LESS THAN (4),
PARTITION x2 VALUES LESS THAN (6),
PARTITION x3 VALUES LESS THAN (8),
PARTITION x4 VALUES LESS THAN (10),
PARTITION x5 VALUES LESS THAN (12),
PARTITION x6 VALUES LESS THAN (14),
PARTITION x7 VALUES LESS THAN (16),
PARTITION x8 VALUES LESS THAN (18),
PARTITION x9 VALUES LESS THAN (20));
ALTER TABLE t1 REORGANIZE PARTITION x0,x1,x2 INTO
(PARTITION x1 VALUES LESS THAN (6));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (a)
(PARTITION x1 VALUES LESS THAN (6) ENGINE = MyISAM,
 PARTITION x3 VALUES LESS THAN (8) ENGINE = MyISAM,
 PARTITION x4 VALUES LESS THAN (10) ENGINE = MyISAM,
 PARTITION x5 VALUES LESS THAN (12) ENGINE = MyISAM,
 PARTITION x6 VALUES LESS THAN (14) ENGINE = MyISAM,
 PARTITION x7 VALUES LESS THAN (16) ENGINE = MyISAM,
 PARTITION x8 VALUES LESS THAN (18) ENGINE = MyISAM,
 PARTITION x9 VALUES LESS THAN (20) ENGINE = MyISAM) */
drop table t1;
create table t1 (a int not null, b int not null) partition by LIST (a+b) (
partition p0 values in (12),
partition p1 values in (14)
);
insert into t1 values (10,1);
ERROR HY000: Table has no partition for value 11
drop table t1;
create table t1 (f1 integer,f2 integer, f3 varchar(10), primary key(f1,f2))
partition by range(f1) subpartition by hash(f2) subpartitions 2
(partition p1 values less than (0),
partition p2 values less than (2),
partition p3 values less than (2147483647));
insert into t1 values(10,10,'10');
insert into t1 values(2,2,'2');
select * from t1 where f1 = 2;
f1	f2	f3
2	2	2
drop table t1;
create table t1 (f1 integer,f2 integer, unique index(f1))
partition by range(f1 div 2)
subpartition by hash(f1) subpartitions 2
(partition partb values less than (2),
partition parte values less than (4),
partition partf values less than (10000));
insert into t1 values(10,1);
select * from t1 where f1 = 10;
f1	f2
10	1
drop table t1;
set session storage_engine= 'memory';
create table t1 (f_int1 int(11) default null) engine = memory
partition by range (f_int1) subpartition by hash (f_int1)
(partition part1 values less than (1000)
(subpartition subpart11 engine = memory));
drop table t1;
set session storage_engine='myisam';
create table t1 (f_int1 integer, f_int2 integer, primary key (f_int1))
partition by hash(f_int1) partitions 2;
insert into t1 values (1,1),(2,2);
replace into t1 values (1,1),(2,2);
drop table t1;
create table t1 (s1 int, unique (s1)) partition by list (s1) (partition x1 VALUES in (10), partition x2 values in (20));
alter table t1 add partition (partition x3 values in (30));
drop table t1;
create table t1 (a int)
partition by key(a)
partitions 2
(partition p0 engine=myisam, partition p1 engine=myisam);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MyISAM,
 PARTITION p1 ENGINE = MyISAM) */
alter table t1;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MyISAM,
 PARTITION p1 ENGINE = MyISAM) */
alter table t1 engine=myisam;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MyISAM,
 PARTITION p1 ENGINE = MyISAM) */
alter table t1 engine=heap;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MEMORY,
 PARTITION p1 ENGINE = MEMORY) */
alter table t1 remove partitioning;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
drop table t1;
create table t1 (a int)
engine=myisam
partition by key(a)
partitions 2
(partition p0 engine=myisam, partition p1 engine=myisam);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MyISAM,
 PARTITION p1 ENGINE = MyISAM) */
alter table t1 add column b int remove partitioning;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1
engine=myisam
partition by key(a)
(partition p0 engine=myisam, partition p1);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MyISAM,
 PARTITION p1 ENGINE = MyISAM) */
alter table t1
engine=heap
partition by key(a)
(partition p0, partition p1 engine=heap);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MEMORY,
 PARTITION p1 ENGINE = MEMORY) */
alter table t1 engine=myisam, add column c int remove partitioning;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
alter table t1
engine=heap
partition by key (a)
(partition p0, partition p1);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MEMORY,
 PARTITION p1 ENGINE = MEMORY) */
alter table t1
partition by key (a)
(partition p0, partition p1);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MEMORY,
 PARTITION p1 ENGINE = MEMORY) */
alter table t1
engine=heap
partition by key (a)
(partition p0, partition p1);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL,
  `c` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MEMORY,
 PARTITION p1 ENGINE = MEMORY) */
alter table t1
partition by key(a)
(partition p0, partition p1 engine=heap);
alter table t1
partition by key(a)
(partition p0 engine=heap, partition p1);
alter table t1
engine=heap
partition by key (a)
(partition p0 engine=heap, partition p1 engine=myisam);
ERROR HY000: The mix of handlers in the partitions is not allowed in this version of MySQL
alter table t1
partition by key (a)
(partition p0 engine=heap, partition p1 engine=myisam);
ERROR HY000: The mix of handlers in the partitions is not allowed in this version of MySQL
drop table t1;
CREATE TABLE t1 (
f_int1 INTEGER, f_int2 INTEGER,
f_char1 CHAR(10), f_char2 CHAR(10), f_charbig VARCHAR(1000)
)
PARTITION BY RANGE(f_int1 DIV 2)
SUBPARTITION BY HASH(f_int1)
SUBPARTITIONS 2
(PARTITION parta VALUES LESS THAN (0),
PARTITION partb VALUES LESS THAN (5),
PARTITION parte VALUES LESS THAN (10),
PARTITION partf VALUES LESS THAN (2147483647));
INSERT INTO t1 SET f_int1 = NULL , f_int2 = -20, f_char1 = CAST(-20 AS CHAR),
f_char2 = CAST(-20 AS CHAR), f_charbig = '#NULL#';
SELECT * FROM t1 WHERE f_int1 IS NULL;
f_int1	f_int2	f_char1	f_char2	f_charbig
NULL	-20	-20	-20	#NULL#
SELECT * FROM t1;
f_int1	f_int2	f_char1	f_char2	f_charbig
NULL	-20	-20	-20	#NULL#
drop table t1;
CREATE TABLE t1 (
f_int1 INTEGER, f_int2 INTEGER,
f_char1 CHAR(10), f_char2 CHAR(10), f_charbig VARCHAR(1000)  )
PARTITION BY LIST(MOD(f_int1,2))
SUBPARTITION BY KEY(f_int1)
(PARTITION part1 VALUES IN (-1) (SUBPARTITION sp1, SUBPARTITION sp2),
PARTITION part2 VALUES IN (0) (SUBPARTITION sp3, SUBPARTITION sp5),
PARTITION part3 VALUES IN (1) (SUBPARTITION sp4, SUBPARTITION sp6));
INSERT INTO t1 SET f_int1 = 2, f_int2 = 2, f_char1 = '2', f_char2 = '2', f_charbig = '===2===';
INSERT INTO t1 SET f_int1 = 2, f_int2 = 2, f_char1 = '2', f_char2 = '2', f_charbig = '===2===';
SELECT * FROM t1 WHERE f_int1  IS NULL;
f_int1	f_int2	f_char1	f_char2	f_charbig
drop table t1;
create procedure p ()
begin
create table t1 (s1 mediumint,s2 mediumint)
partition by list (s2)
(partition p1 values in (0),
partition p2 values in (1));
end//
call p()//
drop procedure p//
drop table t1;
create procedure p ()
begin
create table t1 (a int not null,b int not null,c int not null,primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
(partition x1 values less than (1)
(subpartition x11,
subpartition x12),
partition x2 values less than (5)
(subpartition x21,
subpartition x22));
end//
call p()//
drop procedure p//
drop table t1//
create table t1 (a int,b int,c int,key(a,b))
partition by range (a)
partitions 3
(partition x1 values less than (0) tablespace ts1,
partition x2 values less than (10) tablespace ts2,
partition x3 values less than maxvalue tablespace ts3);
insert into t1 values (NULL, 1, 1);
insert into t1 values (0, 1, 1);
insert into t1 values (12, 1, 1);
select partition_name, partition_description, table_rows
from information_schema.partitions where table_schema ='test';
partition_name	partition_description	table_rows
x1	0	1
x2	10	1
x3	MAXVALUE	1
drop table t1;
create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11,12),
partition x234 values in (1 ,NULL, NULL));
ERROR HY000: Multiple definition of same constant in list partitioning
create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11, NULL),
partition x234 values in (1 ,NULL));
ERROR HY000: Multiple definition of same constant in list partitioning
create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11, 12),
partition x234 values in (5, 1));
insert into t1 values (NULL,1,1);
ERROR HY000: Table has no partition for value NULL
drop table t1;
create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11, 12),
partition x234 values in (NULL, 1));
insert into t1 values (11,1,6);
insert into t1 values (NULL,1,1);
select partition_name, partition_description, table_rows
from information_schema.partitions where table_schema ='test';
partition_name	partition_description	table_rows
x123	11,12	1
x234	NULL,1	1
drop table t1;
create table t1 (a int)
partition by list (a)
(partition p0 values in (1));
alter table t1 rebuild partition;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
drop table t1;
create table t1 (a int)
partition by list (a)
(partition p0 values in (5));
insert into t1 values (0);
ERROR HY000: Table has no partition for value 0
drop table t1;
create table t1 (a int)
partition by range (a) subpartition by hash (a)
(partition p0 values less than (100));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (a)
SUBPARTITION BY HASH (a)
(PARTITION p0 VALUES LESS THAN (100) ENGINE = MyISAM) */
alter table t1 add partition (partition p1 values less than (200)
(subpartition subpart21));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (a)
SUBPARTITION BY HASH (a)
(PARTITION p0 VALUES LESS THAN (100)
 (SUBPARTITION p0sp0 ENGINE = MyISAM),
 PARTITION p1 VALUES LESS THAN (200)
 (SUBPARTITION subpart21 ENGINE = MyISAM)) */
drop table t1;
create table t1 (a int)
partition by key (a);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a) */
alter table t1 add partition (partition p1);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MyISAM,
 PARTITION p1 ENGINE = MyISAM) */
drop table t1;
create table t1 (a int, b int)
partition by range (a)
subpartition by hash(a)
(partition p0 values less than (0) (subpartition sp0),
partition p1 values less than (1));
ERROR 42000: Wrong number of subpartitions defined, mismatch with previous setting near ')' at line 5
create table t1 (a int, b int)
partition by range (a)
subpartition by hash(a)
(partition p0 values less than (0),
partition p1 values less than (1) (subpartition sp0));
ERROR 42000: Wrong number of subpartitions defined, mismatch with previous setting near 'subpartition sp0))' at line 5
create table t1 (a int, b int)
partition by list (a)
subpartition by hash(a)
(partition p0 values in (0),
partition p1 values in (1) (subpartition sp0));
ERROR 42000: Wrong number of subpartitions defined, mismatch with previous setting near 'subpartition sp0))' at line 5
create table t1 (a int)
partition by hash (a)
(partition p0 (subpartition sp0));
ERROR HY000: It is only possible to mix RANGE/LIST partitioning with HASH/KEY partitioning for subpartitioning
create table t1 (a int)
partition by range (a)
(partition p0 values less than (1));
alter table t1 add partition (partition p1 values in (2));
ERROR HY000: Only LIST PARTITIONING can use VALUES IN in partition definition
alter table t1 add partition (partition p1);
ERROR HY000: Syntax error: RANGE PARTITIONING requires definition of VALUES LESS THAN for each partition
drop table t1;
create table t1 (a int)
partition by list (a)
(partition p0 values in (1));
alter table t1 add partition (partition p1 values less than (2));
ERROR HY000: Only RANGE PARTITIONING can use VALUES LESS THAN in partition definition
alter table t1 add partition (partition p1);
ERROR HY000: Syntax error: LIST PARTITIONING requires definition of VALUES IN for each partition
drop table t1;
create table t1 (a int)
partition by hash (a)
(partition p0);
alter table t1 add partition (partition p1 values less than (2));
ERROR HY000: Only RANGE PARTITIONING can use VALUES LESS THAN in partition definition
alter table t1 add partition (partition p1 values in (2));
ERROR HY000: Only LIST PARTITIONING can use VALUES IN in partition definition
drop table t1;
create table t1 (a int)
partition by list (a)
(partition p0 values in (1));
alter table t1 rebuild partition;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
drop table t1;
create table t2 (s1 int not null auto_increment, primary key (s1)) partition by list (s1) (partition p1 values in (1),partition p2 values in (2),partition p3 values in (3),partition p4 values in (4));
insert into t2 values (null),(null),(null);
select * from t2;
s1
1
2
3
select * from t2 where s1 < 2;
s1
1
update t2 set s1 = s1 + 1 order by s1 desc;
select * from t2 where s1 < 3;
s1
2
select * from t2 where s1 = 2;
s1
2
drop table t2;
create temporary table t1 (a int) partition by hash(a);
ERROR HY000: Cannot create temporary table with partitions
create table t1 (a int, b int) partition by list (a)
(partition p1 values in (1), partition p2 values in (2));
alter table t1 add primary key (b);
ERROR HY000: A PRIMARY KEY must include all columns in the table's partitioning function
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (a)
(PARTITION p1 VALUES IN (1) ENGINE = MyISAM,
 PARTITION p2 VALUES IN (2) ENGINE = MyISAM) */
drop table t1;
create table t1 (a int unsigned not null auto_increment primary key)
partition by key(a);
alter table t1 rename t2, add c char(10), comment "no comment";
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `c` char(10) DEFAULT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='no comment'
/*!50100 PARTITION BY KEY (a) */
drop table t2;
create table t1 (f1 int) partition by hash (f1) as select 1;
drop table t1;
prepare stmt1 from 'create table t1 (s1 int) partition by hash (s1)';
execute stmt1;
execute stmt1;
ERROR 42S01: Table 't1' already exists
drop table t1;
CREATE PROCEDURE test.p1(IN i INT)
BEGIN
DECLARE CONTINUE HANDLER FOR sqlexception BEGIN END;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (num INT,PRIMARY KEY(num));
START TRANSACTION;
INSERT INTO t1 VALUES(i);
savepoint t1_save;
INSERT INTO t1 VALUES (14);
ROLLBACK to savepoint t1_save;
COMMIT;
END|
CALL test.p1(12);
Warnings:
Warning	1196	Some non-transactional changed tables couldn't be rolled back
CALL test.p1(13);
Warnings:
Warning	1196	Some non-transactional changed tables couldn't be rolled back
drop table t1;
drop procedure test.p1;
CREATE TABLE t1 (a int not null)
partition by key(a)
(partition p0 COMMENT='first partition');
drop table t1;
CREATE TABLE t1 (`a b` int not null)
partition by key(`a b`);
drop table t1;
CREATE TABLE t1 (`a b` int not null)
partition by hash(`a b`);
drop table t1;
create table t1 (f1 integer) partition by range(f1)
(partition p1 values less than (0), partition p2 values less than (10));
insert into t1 set f1 = null;
select * from t1 where f1 is null;
f1
NULL
explain partitions select * from t1 where f1 is null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p1	system	NULL	NULL	NULL	NULL	1	
drop table t1;
create table t1 (f1 integer) partition by list(f1)
(partition p1 values in (1), partition p2 values in (null));
insert into t1 set f1 = null;
insert into t1 set f1 = 1;
select * from t1 where f1 is null or f1 = 1;
f1
1
NULL
drop table t1;
create table t1 (f1 smallint)
partition by list (f1) (partition p0 values in (null));
insert into t1 values (null);
select * from t1 where f1 is null;
f1
NULL
select * from t1 where f1 < 1;
f1
select * from t1 where f1 <= NULL;
f1
select * from t1 where f1 < NULL;
f1
select * from t1 where f1 >= NULL;
f1
select * from t1 where f1 > NULL;
f1
select * from t1 where f1 > 1;
f1
drop table t1;
create table t1 (f1 smallint)
partition by range (f1) (partition p0 values less than (0));
insert into t1 values (null);
select * from t1 where f1 is null;
f1
NULL
drop table t1;
create table t1 (f1 integer) partition by list(f1)
(
partition p1 values in (1),
partition p2 values in (NULL),
partition p3 values in (2),
partition p4 values in (3),
partition p5 values in (4)
);
insert into t1 values (1),(2),(3),(4),(null);
select * from t1 where f1 < 3;
f1
1
2
explain partitions select * from t1 where f1 < 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p1,p3	ALL	NULL	NULL	NULL	NULL	2	Using where
select * from t1 where f1 is null;
f1
NULL
explain partitions select * from t1 where f1 is null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p2	system	NULL	NULL	NULL	NULL	1	
drop table t1;
create table t1 (f1 int) partition by list(f1 div 2)
(
partition p1 values in (1),
partition p2 values in (NULL),
partition p3 values in (2),
partition p4 values in (3),
partition p5 values in (4)
);
insert into t1 values (2),(4),(6),(8),(null);
select * from t1 where f1 < 3;
f1
2
explain partitions select * from t1 where f1 < 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p1,p2,p3,p4,p5	ALL	NULL	NULL	NULL	NULL	5	Using where
select * from t1 where f1 is null;
f1
NULL
explain partitions select * from t1 where f1 is null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p2	system	NULL	NULL	NULL	NULL	1	
drop table t1;
create table t1 (a int) partition by LIST(a) (
partition pn values in (NULL),
partition p0 values in (0),
partition p1 values in (1),
partition p2 values in (2)
);
insert into t1 values (NULL),(0),(1),(2);
select * from t1 where a is null or a < 2;
a
NULL
0
1
explain partitions select * from t1 where a is null or a < 2;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	pn,p0,p1	ALL	NULL	NULL	NULL	NULL	3	Using where
select * from t1 where a is null or a < 0 or a > 1;
a
NULL
2
explain partitions select * from t1 where a is null or a < 0 or a > 1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	pn,p2	ALL	NULL	NULL	NULL	NULL	4	Using where
drop table t1;
CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY, name VARCHAR(20)) 
ENGINE=MyISAM DEFAULT CHARSET=latin1
PARTITION BY RANGE(id)
(PARTITION p0  VALUES LESS THAN (10) ENGINE = MyISAM,
PARTITION p1 VALUES LESS THAN (20) ENGINE = MyISAM,
PARTITION p2 VALUES LESS THAN (30) ENGINE = MyISAM);
SHOW TABLE STATUS;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	MyISAM	10	Dynamic	0	0	0	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
DROP TABLE t1;
create table t1 (a bigint unsigned)
partition by list (a)
(partition p0 values in (0-1));
ERROR HY000: Partition constant is out of partition function domain
create table t1 (a bigint unsigned)
partition by range (a)
(partition p0 values less than (10));
insert into t1 values (0xFFFFFFFFFFFFFFFF);
ERROR HY000: Table has no partition for value 18446744073709551615
drop table t1;
create table t1 (a int)
partition by list (a)
(partition `s1 s2` values in (0));
drop table t1;
create table t1 (a int)
partition by list (a)
(partition `7` values in (0));
drop table t1;
create table t1 (a int)
partition by list (a)
(partition `s1 s2 ` values in (0));
ERROR HY000: Incorrect partition name
create table t1 (a int)
partition by list (a)
subpartition by hash (a)
(partition p1 values in (0) (subpartition `p1 p2 `));
ERROR HY000: Incorrect partition name
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION p0 VALUES IN (NULL));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (a)
(PARTITION p0 VALUES IN (NULL) ENGINE = MyISAM) */
DROP TABLE t1;
CREATE TABLE t1 (a int)
PARTITION BY RANGE(a)
(PARTITION p0 VALUES LESS THAN (NULL));
ERROR HY000: Not allowed to use NULL value in VALUES LESS THAN
create table t1 (s1 int auto_increment primary key)
partition by list (s1)
(partition p1 values in (1),
partition p2 values in (2),
partition p3 values in (3));
insert into t1 values (null);
insert into t1 values (null);
insert into t1 values (null);
select auto_increment from information_schema.tables where table_name='t1';
auto_increment
4
select * from t1;
s1
1
2
3
drop table t1;
create table t1 (a int) engine=memory
partition by key(a);
insert into t1 values (1);
create index inx1 on t1(a);
drop table t1;
create table t1 (a int)
PARTITION BY KEY (a)
(PARTITION p0);
set session sql_mode='no_table_options';
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
)
/*!50100 PARTITION BY KEY (a)
(PARTITION p0) */
set session sql_mode='';
drop table t1;
create table t1 (a int)
partition by key (a)
(partition p0 engine = MERGE);
ERROR HY000: Engine cannot be used in partitioned tables
create table t1 (a varchar(1))
partition by key (a)
as select 'a';
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` varchar(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a) */
drop table t1;
CREATE TABLE t1 (a int) ENGINE = MYISAM PARTITION BY KEY(a);
INSERT into t1 values (1), (2);
SHOW TABLE STATUS;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	MyISAM	10	Fixed	2	7	14	0	0	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
DELETE from t1 where a = 1;
SHOW TABLE STATUS;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	MyISAM	10	Fixed	1	14	14	0	0	7	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
ALTER TABLE t1 OPTIMIZE PARTITION p0;
Table	Op	Msg_type	Msg_text
test.t1	optimize	status	OK
SHOW TABLE STATUS;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	MyISAM	10	Fixed	1	7	7	0	1024	0	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
DROP TABLE t1;
CREATE TABLE t1 (a int, index(a)) PARTITION BY KEY(a);
ALTER TABLE t1 DISABLE KEYS;
ALTER TABLE t1 ENABLE KEYS;
DROP TABLE t1;
create table t1 (a int)
engine=MEMORY
partition by key (a);
REPAIR TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	repair	note	The storage engine for the table doesn't support repair
OPTIMIZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	optimize	note	The storage engine for the table doesn't support optimize
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	note	The storage engine for the table doesn't support check
ANALYZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	note	The storage engine for the table doesn't support analyze
drop table t1;
drop procedure if exists mysqltest_1;
create table t1 (a int)
partition by list (a)
(partition p0 values in (0));
insert into t1 values (0);
create procedure mysqltest_1 ()
begin
begin
declare continue handler for sqlexception begin end;
update ignore t1 set a = 1 where a = 0;
end;
prepare stmt1 from 'alter table t1';
execute stmt1;
end//
call mysqltest_1()//
drop table t1;
drop procedure mysqltest_1;
create table t1 (a int, index(a))
partition by hash(a);
insert into t1 values (1),(2);
select * from t1 ORDER BY a DESC;
a
2
1
drop table t1;
create table t1 (a bigint unsigned not null, primary key(a))
engine = myisam
partition by key (a)
partitions 10;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` bigint(20) unsigned NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
PARTITIONS 10 */
insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE),
(18446744073709551613), (18446744073709551612);
select * from t1;
a
18446744073709551612
18446744073709551613
18446744073709551614
18446744073709551615
select * from t1 where a = 18446744073709551615;
a
18446744073709551615
delete from t1 where a = 18446744073709551615;
select * from t1;
a
18446744073709551612
18446744073709551613
18446744073709551614
drop table t1;
CREATE TABLE t1 (
num int(11) NOT NULL, cs int(11) NOT NULL)
PARTITION BY RANGE (num) SUBPARTITION BY HASH (
cs) SUBPARTITIONS 2 (PARTITION p_X VALUES LESS THAN MAXVALUE);
ALTER TABLE t1 
REORGANIZE PARTITION p_X INTO ( 
PARTITION p_100 VALUES LESS THAN (100), 
PARTITION p_X VALUES LESS THAN MAXVALUE 
);
drop table t1;
CREATE TABLE t2 (
taken datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
id int(11) NOT NULL DEFAULT '0',
PRIMARY KEY (id,taken),
KEY taken (taken)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES 
('2006-09-27 21:50:01',16421),
('2006-10-02 21:50:01',16421),
('2006-09-27 21:50:01',19092),
('2006-09-28 21:50:01',19092),
('2006-09-29 21:50:01',19092),
('2006-09-30 21:50:01',19092),
('2006-10-01 21:50:01',19092),
('2006-10-02 21:50:01',19092),
('2006-09-27 21:50:01',22589),
('2006-09-29 21:50:01',22589);
CREATE TABLE t1 (
id int(8) NOT NULL,
PRIMARY KEY (id)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES 
(16421),
(19092),
(22589);
CREATE TABLE t4 (
taken datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
id int(11) NOT NULL DEFAULT '0',
PRIMARY KEY (id,taken),
KEY taken (taken)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 
PARTITION BY RANGE (to_days(taken)) 
(
PARTITION p01 VALUES LESS THAN (732920) , 
PARTITION p02 VALUES LESS THAN (732950) , 
PARTITION p03 VALUES LESS THAN MAXVALUE ) ;
INSERT INTO t4 select * from t2;
set @f_date='2006-09-28';
set @t_date='2006-10-02';
SELECT t1.id AS MyISAM_part
FROM t1
WHERE t1.id IN (
SELECT distinct id
FROM t4
WHERE taken BETWEEN @f_date AND date_add(@t_date, INTERVAL 1 DAY))
ORDER BY t1.id
;
MyISAM_part
16421
19092
22589
drop table t1, t2, t4;
CREATE TABLE t1 (
taken datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
id int(11) NOT NULL DEFAULT '0',
status varchar(20) NOT NULL DEFAULT '',
PRIMARY KEY (id,taken)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
PARTITION BY RANGE (to_days(taken))
(
PARTITION p15 VALUES LESS THAN (732950) ,
PARTITION p16 VALUES LESS THAN MAXVALUE ) ;
INSERT INTO t1 VALUES
('2006-09-27 21:50:01',22589,'Open'),
('2006-09-29 21:50:01',22589,'Verified');
DROP TABLE IF EXISTS t2;
Warnings:
Note	1051	Unknown table 't2'
CREATE TABLE t2 (
id int(8) NOT NULL,
severity tinyint(4) NOT NULL DEFAULT '0',
priority tinyint(4) NOT NULL DEFAULT '0',
status varchar(20) DEFAULT NULL,
alien tinyint(4) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES
(22589,1,1,'Need Feedback',0);
SELECT t2.id FROM t2 WHERE t2.id IN (SELECT id FROM t1 WHERE status = 'Verified');
id
22589
drop table t1, t2;
create table t1 (c1 varchar(255),c2 tinyint,primary key(c1))
partition by key (c1) partitions 10 ;
insert into t1 values ('aaa','1') on duplicate key update c2 = c2 + 1;
insert into t1 values ('aaa','1') on duplicate key update c2 = c2 + 1;
select * from t1;
c1	c2
aaa	2
drop table t1;
create table t1 (s1 bigint) partition by list (s1) (partition p1 values in (-9223372036854775808));
drop table t1;
create table t1(a int auto_increment, b int, primary key (b, a)) 
partition by hash(b) partitions 2;
insert into t1 values (null, 1);
show table status;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	MyISAM	10	Fixed	1	9	9	0	0	0	1	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
drop table t1;
create table t1(a int auto_increment primary key)
partition by key(a) partitions 2;
insert into t1 values (null), (null), (null);
show table status;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
t1	MyISAM	10	Fixed	3	7	21	0	0	0	4	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
drop table t1;
CREATE TABLE t1(a INT NOT NULL, b TINYBLOB, KEY(a))
PARTITION BY RANGE(a) ( PARTITION p0 VALUES LESS THAN (32));
INSERT INTO t1 VALUES (1, REPEAT('a', 10));
INSERT INTO t1 SELECT a + 1, b FROM t1;
INSERT INTO t1 SELECT a + 2, b FROM t1;
INSERT INTO t1 SELECT a + 4, b FROM t1;
INSERT INTO t1 SELECT a + 8, b FROM t1;
ALTER TABLE t1 ADD PARTITION (PARTITION p1 VALUES LESS THAN (64));
ALTER TABLE t1 DROP PARTITION p1;
DROP TABLE t1;
create table t (s1 int) engine=myisam partition by key (s1);
create trigger t_ad after delete on t for each row insert into t values (old.s1);
insert into t values (1);
drop table t;
create table t2 (b int);
create table t1 (b int)
PARTITION BY RANGE (t2.b) (
PARTITION p1 VALUES LESS THAN (10),
PARTITION p2 VALUES LESS THAN (20)
) select * from t2;
ERROR 42S22: Unknown column 't2.b' in 'partition function'
create table t1 (a int)
PARTITION BY RANGE (b) (
PARTITION p1 VALUES LESS THAN (10),
PARTITION p2 VALUES LESS THAN (20)
) select * from t2;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (b)
(PARTITION p1 VALUES LESS THAN (10) ENGINE = MyISAM,
 PARTITION p2 VALUES LESS THAN (20) ENGINE = MyISAM) */
drop table t1, t2;
create table t1
(s1 timestamp on update current_timestamp, s2 int)
partition by key(s1) partitions 3;
insert into t1 values (null,null);
drop table t1;
create table t1 (
c0 int,
c1 bigint,
c2 set('sweet'),
key (c2,c1,c0), 
key(c0)
) engine=myisam partition by hash (month(c0)) partitions 5;
insert ignore into t1 set c0 = -6502262, c1 = 3992917, c2 = 35019;
insert ignore into t1 set c0 = 241221, c1 = -6862346, c2 = 56644;
select c1 from t1 group by (select c0 from t1 limit 1);
c1
-6862346
drop table t1;
CREATE TABLE t1(a int)
PARTITION BY RANGE (a) (
PARTITION p1 VALUES LESS THAN (10),
PARTITION p2 VALUES LESS THAN (20)
);
ALTER TABLE t1 OPTIMIZE PARTITION p1 EXTENDED;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'EXTENDED' at line 1
ALTER TABLE t1 ANALYZE PARTITION p1 EXTENDED;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'EXTENDED' at line 1
ALTER TABLE t1 ANALYZE PARTITION p1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
ALTER TABLE t1 CHECK PARTITION p1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
ALTER TABLE t1 REPAIR PARTITION p1;
Table	Op	Msg_type	Msg_text
test.t1	repair	status	OK
ALTER TABLE t1 OPTIMIZE PARTITION p1;
Table	Op	Msg_type	Msg_text
test.t1	optimize	status	OK
DROP TABLE t1;
CREATE TABLE t1 (s1 BIGINT UNSIGNED)
PARTITION BY RANGE (s1) (
PARTITION p0 VALUES LESS THAN (0), 
PARTITION p1 VALUES LESS THAN (1), 
PARTITION p2 VALUES LESS THAN (18446744073709551615)
);
INSERT INTO t1 VALUES (0), (18446744073709551614);
INSERT INTO t1 VALUES (18446744073709551615);
ERROR HY000: Table has no partition for value 18446744073709551615
DROP TABLE t1;
CREATE TABLE t1 (s1 BIGINT UNSIGNED)
PARTITION BY RANGE (s1) (
PARTITION p0 VALUES LESS THAN (0),
PARTITION p1 VALUES LESS THAN (1),
PARTITION p2 VALUES LESS THAN (18446744073709551614),
PARTITION p3 VALUES LESS THAN MAXVALUE
);
INSERT INTO t1 VALUES (-1), (0), (18446744073709551613), 
(18446744073709551614), (18446744073709551615);
Warnings:
Warning	1264	Out of range value for column 's1' at row 1
SELECT * FROM t1;
s1
0
0
18446744073709551613
18446744073709551614
18446744073709551615
SELECT * FROM t1 WHERE s1 = 0;
s1
0
0
SELECT * FROM t1 WHERE s1 = 18446744073709551614;
s1
18446744073709551614
SELECT * FROM t1 WHERE s1 = 18446744073709551615;
s1
18446744073709551615
DROP TABLE t1;
CREATE TABLE t1 (s1 BIGINT UNSIGNED)  
PARTITION BY RANGE (s1) (
PARTITION p0 VALUES LESS THAN (0),
PARTITION p1 VALUES LESS THAN (1),
PARTITION p2 VALUES LESS THAN (18446744073709551615),
PARTITION p3 VALUES LESS THAN MAXVALUE
);
DROP TABLE t1;
CREATE TABLE t1
(int_column INT, char_column CHAR(5),
PRIMARY KEY(char_column,int_column))
PARTITION BY KEY(char_column,int_column)
PARTITIONS 101;
INSERT INTO t1 (int_column, char_column) VALUES
(      39868 ,'zZZRW'),       
(     545592 ,'zZzSD'),       
(       4936 ,'zzzsT'),       
(       9274 ,'ZzZSX'),       
(     970185 ,'ZZzTN'),       
(     786036 ,'zZzTO'),       
(      37240 ,'zZzTv'),       
(     313801 ,'zzzUM'),       
(     782427 ,'ZZZva'),       
(     907955 ,'zZZvP'),       
(     453491 ,'zzZWV'),       
(     756594 ,'ZZZXU'),       
(     718061 ,'ZZzZH');
SELECT * FROM t1 ORDER BY char_column DESC;
int_column	char_column
718061	ZZzZH
756594	ZZZXU
453491	zzZWV
907955	zZZvP
782427	ZZZva
313801	zzzUM
37240	zZzTv
786036	zZzTO
970185	ZZzTN
9274	ZzZSX
4936	zzzsT
545592	zZzSD
39868	zZZRW
DROP TABLE t1;
CREATE TABLE t1(id MEDIUMINT NOT NULL AUTO_INCREMENT,
user CHAR(25), PRIMARY KEY(id))
PARTITION BY RANGE(id)
SUBPARTITION BY hash(id) subpartitions 2
(PARTITION pa1 values less than (10),
PARTITION pa2 values less than (20),
PARTITION pa11 values less than MAXVALUE);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `id` mediumint(9) NOT NULL AUTO_INCREMENT,
  `user` char(25) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=16 DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (id)
SUBPARTITION BY HASH (id)
SUBPARTITIONS 2
(PARTITION pa1 VALUES LESS THAN (10) ENGINE = MyISAM,
 PARTITION pa2 VALUES LESS THAN (20) ENGINE = MyISAM,
 PARTITION pa11 VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
drop table t1;
CREATE TABLE  t1 (
`ID` bigint(20) NOT NULL AUTO_INCREMENT,
`createdDate` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
`number` int,
PRIMARY KEY (`ID`, number)
)
PARTITION BY RANGE (number) (
PARTITION p0 VALUES LESS THAN (6),
PARTITION p1 VALUES LESS THAN (11)
);
create table t2 (
`ID` bigint(20),
`createdDate` TIMESTAMP,
`number` int
);
INSERT INTO t1 SET number=1;
insert into t2 select * from t1;
SELECT SLEEP(1);
SLEEP(1)
0
UPDATE t1 SET number=6;
select count(*) from t1, t2 where t1.createdDate = t2.createdDate;
count(*)
1
drop table t1, t2;
SET @orig_sql_mode = @@SQL_MODE;
SET SQL_MODE='STRICT_ALL_TABLES,ERROR_FOR_DIVISION_BY_ZERO';
CREATE TABLE t1 (c1 INT)
PARTITION BY LIST(1 DIV c1) (
PARTITION p0 VALUES IN (NULL),
PARTITION p1 VALUES IN (1)
);
INSERT INTO t1 VALUES (0);
ERROR 22012: Division by 0
SELECT * FROM t1;
c1
TRUNCATE t1;
INSERT INTO t1 VALUES (NULL), (0), (1), (2);
ERROR 22012: Division by 0
SELECT * FROM t1;
c1
NULL
DROP TABLE t1;
SET SQL_MODE= @orig_sql_mode;
create table t1 (s1 int) partition by hash(s1) partitions 2;
create index i on t1 (s1);
insert into t1 values (1);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
select * from t1;
s1
1
1
1
1
1
1
1
1
drop table t1;
create table t1 (s1 int) partition by range(s1) 
(partition pa1 values less than (10),
partition pa2 values less than MAXVALUE);
create index i on t1 (s1);
insert into t1 values (1);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
select * from t1;
s1
1
1
1
1
1
1
1
1
drop table t1;
create table t1 (s1 int) partition by range(s1) 
(partition pa1 values less than (10),
partition pa2 values less than MAXVALUE);
create index i on t1 (s1);
insert into t1 values (20);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
select * from t1;
s1
20
20
20
20
20
20
20
20
drop table t1;
create table t1 (s1 int) partition by range(s1) 
(partition pa1 values less than (10),
partition pa2 values less than MAXVALUE);
create index i on t1 (s1);
insert into t1 values (1), (2), (3), (4), (5), (6), (7), (8);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
insert into t1 select s1 from t1 where s1=3;
select count(*) from t1;
count(*)
288
drop table t1;
#
# Bug#42944: partition not pruned correctly
#
CREATE TABLE t1 (a int) PARTITION BY RANGE (a)
(PARTITION p0 VALUES LESS THAN (100),
PARTITION p1 VALUES LESS THAN (200),
PARTITION p2 VALUES LESS THAN (300),
PARTITION p3 VALUES LESS THAN MAXVALUE);
INSERT INTO t1 VALUES (10), (100), (200), (300), (400);
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a>=200;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p2,p3	ALL	NULL	NULL	NULL	NULL	3	Using where
DROP TABLE t1;
CREATE TABLE t1 ( a INT, b INT, c INT, KEY bc(b, c) )
PARTITION BY KEY (a, b) PARTITIONS 3
;
INSERT INTO t1 VALUES
(17, 1, -8),
(3,  1, -7),
(23, 1, -6),
(22, 1, -5),
(11, 1, -4),
(21, 1, -3),
(19, 1, -2),
(30, 1, -1),
(20, 1, 1),
(16, 1, 2),
(18, 1, 3),
(9,  1, 4),
(15, 1, 5),
(28, 1, 6),
(29, 1, 7),
(25, 1, 8),
(10, 1, 9),
(13, 1, 10),
(27, 1, 11),
(24, 1, 12),
(12, 1, 13),
(26, 1, 14),
(14, 1, 15)
;
SELECT b, c FROM t1 WHERE b = 1 GROUP BY b, c;
b	c
1	-8
1	-7
1	-6
1	-5
1	-4
1	-3
1	-2
1	-1
1	1
1	2
1	3
1	4
1	5
1	6
1	7
1	8
1	9
1	10
1	11
1	12
1	13
1	14
1	15
EXPLAIN
SELECT b, c FROM t1 WHERE b = 1 GROUP BY b, c;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	range	bc	bc	10	NULL	7	Using where; Using index for group-by
DROP TABLE t1;
#
# Bug #45807: crash accessing partitioned table and sql_mode 
#   contains ONLY_FULL_GROUP_BY
# Bug#46923: select count(*) from partitioned table fails with
# ONLY_FULL_GROUP_BY
#
SET SESSION SQL_MODE='ONLY_FULL_GROUP_BY';
CREATE TABLE t1(id INT,KEY(id)) ENGINE=MYISAM 
PARTITION BY HASH(id) PARTITIONS 2;
SELECT COUNT(*) FROM t1;
COUNT(*)
0
DROP TABLE t1;
SET SESSION SQL_MODE=DEFAULT;
End of 5.1 tests