drop table if exists t1;
create table t1 (a int not null,
b datetime not null,
primary key (a,b))
engine=innodb
partition by range (to_days(b))
subpartition by hash (a)
subpartitions 2
( partition p0 values less than (to_days('2009-01-01')),
partition p1 values less than (to_days('2009-02-01')),
partition p2 values less than (to_days('2009-03-01')),
partition p3 values less than maxvalue);
alter table t1 reorganize partition p1,p2 into
( partition p2 values less than (to_days('2009-03-01')));
drop table t1;
CREATE TABLE t1 (id INT PRIMARY KEY, data INT) ENGINE = InnoDB 
PARTITION BY RANGE(id) ( 
PARTITION p0 VALUES LESS THAN (5), 
PARTITION p1 VALUES LESS THAN (10), 
PARTITION p2 VALUES LESS THAN MAXVALUE 
);
INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (7,7), (8,8),
(9,9), (10,10), (11,11);
SET @old_tx_isolation := @@session.tx_isolation;
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
SET autocommit = 0;
UPDATE t1 SET DATA = data*2 WHERE id = 3;
SHOW ENGINE InnoDB STATUS;
Type	Name	Status
InnoDB		2 lock struct(s) 1 row lock(s)
UPDATE t1 SET data = data*2 WHERE data = 2;
SHOW ENGINE InnoDB STATUS;
Type	Name	Status
InnoDB		6 lock struct(s) 2 row lock(s)
SET @@session.tx_isolation = @old_tx_isolation;
DROP TABLE t1;
# Bug#37721, test of ORDER BY on PK and WHERE on INDEX
CREATE TABLE t1 (
a INT,
b INT,
PRIMARY KEY (a),
INDEX (b))
ENGINE InnoDB
PARTITION BY HASH(a)
PARTITIONS 3;
INSERT INTO t1 VALUES (0,0),(4,0),(2,0);
SELECT a FROM t1 WHERE b = 0 ORDER BY a ASC;
a
0
2
4
SELECT a FROM t1 WHERE b = 0 ORDER BY a DESC;
a
4
2
0
ALTER TABLE t1 DROP INDEX b;
SELECT a FROM t1 WHERE b = 0 ORDER BY a ASC;
a
0
2
4
SELECT a FROM t1 WHERE b = 0 ORDER BY a DESC;
a
4
2
0
DROP TABLE t1;
CREATE TABLE t1 (
a VARCHAR(600),
b VARCHAR(600),
PRIMARY KEY (a),
INDEX (b))
ENGINE InnoDB
PARTITION BY KEY(a)
PARTITIONS 3;
INSERT INTO t1 VALUES (concat(repeat('MySQL',100),'1'),repeat('0',257));
INSERT INTO t1 VALUES (concat(repeat('MySQL',100),'3'),repeat('0',257));
INSERT INTO t1 VALUES (concat(repeat('MySQL',100),'2'),repeat('0',257));
SELECT right(a,1) FROM t1 WHERE b = repeat('0',257) ORDER BY a ASC;
right(a,1)
1
2
3
SELECT right(a,1) FROM t1 WHERE b = repeat('0',257) ORDER BY a DESC;
right(a,1)
3
2
1
ALTER TABLE t1 DROP INDEX b;
SELECT right(a,1) FROM t1 WHERE b = repeat('0',257) ORDER BY a ASC;
right(a,1)
1
2
3
SELECT right(a,1) FROM t1 WHERE b = repeat('0',257) ORDER BY a DESC;
right(a,1)
3
2
1
DROP TABLE t1;
# Bug#32948
CREATE TABLE t1 (c1 INT, PRIMARY KEY (c1)) ENGINE=INNODB;
CREATE TABLE t2 (c1 INT, PRIMARY KEY (c1),
FOREIGN KEY (c1) REFERENCES t1 (c1)
ON DELETE CASCADE)
ENGINE=INNODB;
ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
ALTER TABLE t1 ENGINE=MyISAM;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
DROP TABLE t2;
DROP TABLE t1;
create table t1 (a int) engine=innodb partition by hash(a) ;
show table status like 't1';
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	InnoDB	10	Compact	2	8192	16384	0	0	#	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
drop table t1;
create table t1 (a int)
engine = innodb
partition by key (a);
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	InnoDB	10	Compact	2	8192	16384	0	0	#	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
insert into t1 values (0), (1), (2), (3);
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	InnoDB	10	Compact	4	4096	16384	0	0	#	NULL	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
drop table t1;
create table t1 (a int auto_increment primary key)
engine = innodb
partition by key (a);
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	InnoDB	10	Compact	2	8192	16384	0	0	#	1	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
insert into t1 values (NULL), (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	InnoDB	10	Compact	4	4096	16384	0	0	#	5	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
insert into t1 values (NULL), (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	InnoDB	10	Compact	8	2048	16384	0	0	#	9	NULL	NULL	NULL	latin1_swedish_ci	NULL	partitioned	
drop table t1;
create table t1 (a int)
partition by key (a)
(partition p1 engine = innodb);
alter table t1 rebuild partition p1;
alter table t1 rebuild partition p1;
alter table t1 rebuild partition p1;
alter table t1 rebuild partition p1;
alter table t1 rebuild partition p1;
alter table t1 rebuild partition p1;
alter table t1 rebuild partition p1;
drop table t1;
create table t1 (a date)
engine = innodb
partition by range (year(a))
(partition p0 values less than (2006),
partition p1 values less than (2007));
explain partitions select * from t1
where a between '2006-01-01' and '2007-06-01';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p1	ALL	NULL	NULL	NULL	NULL	2	Using where
drop table t1;
create table t1 (a int)
engine = x
partition by key (a);
Warnings:
Warning	1286	Unknown table engine 'x'
Warning	1266	Using storage engine MyISAM for 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) */
drop table t1;
create table t1 (a int)
engine = innodb
partition by list (a)
(partition p0 values in (0));
alter table t1 engine = x;
ERROR HY000: The mix of handlers in the partitions is not allowed in this version of MySQL
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (a)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB) */
drop table t1;
create table t1
(
id int unsigned auto_increment,
time datetime not null,
first_name varchar(40),
last_name varchar(50),
primary key (id, time),
index first_index (first_name),
index last_index (last_name)	
) engine=Innodb partition by range (to_days(time)) (
partition p1 values less than (to_days('2007-02-07')),
partition p2 values less than (to_days('2007-02-08')),
partition p3 values less than MAXVALUE
);
insert into t1 (time, first_name, last_name) values ('2007-02-07', 'Q', 'Robert'),
('2007-02-07', 'Mark', 'Nate'), ('2007-02-07', 'Nate', 'Oscar'),
('2007-02-07', 'Zack', 'Alice'), ('2007-02-07', 'Jack', 'Kathy'),
('2007-02-06', 'Alice', 'Alice'), ('2007-02-06', 'Brian', 'Charles'),
('2007-02-06', 'Charles', 'David'), ('2007-02-06', 'David', 'Eric'),
('2007-02-07', 'Hector', 'Isaac'), ('2007-02-07', 'Oscar', 'Patricia'),
('2007-02-07', 'Patricia', 'Q'), ('2007-02-07', 'X', 'Yuri'),
('2007-02-07', 'Robert', 'Shawn'), ('2007-02-07', 'Kathy', 'Lois'),
('2007-02-07', 'Eric', 'Francis'), ('2007-02-06', 'Shawn', 'Theron'),
('2007-02-06', 'U', 'Vincent'), ('2007-02-06', 'Francis', 'George'),
('2007-02-06', 'George', 'Hector'), ('2007-02-06', 'Vincent', 'Walter'),
('2007-02-06', 'Walter', 'X'), ('2007-02-07', 'Lois', 'Mark'),
('2007-02-07', 'Yuri', 'Zack'), ('2007-02-07', 'Isaac', 'Jack'),
('2007-02-07', 'Sharon', 'Mark'), ('2007-02-07', 'Michael', 'Michelle'),
('2007-02-07', 'Derick', 'Nathan'), ('2007-02-07', 'Peter', 'Xavier'),
('2007-02-07', 'Fred', 'Harold'), ('2007-02-07', 'Katherine', 'Lisa'),
('2007-02-07', 'Tom', 'Rina'), ('2007-02-07', 'Jerry', 'Victor'),
('2007-02-07', 'Alexander', 'Terry'), ('2007-02-07', 'Justin', 'John'),
('2007-02-07', 'Greg', 'Ernest'), ('2007-02-07', 'Robert', 'Q'),
('2007-02-07', 'Nate', 'Mark'), ('2007-02-07', 'Oscar', 'Nate'),
('2007-02-07', 'Alice', 'Zack'), ('2007-02-07', 'Kathy', 'Jack'),
('2007-02-06', 'Alice', 'Alice'), ('2007-02-06', 'Charles', 'Brian'),
('2007-02-06', 'David', 'Charles'), ('2007-02-06', 'Eric', 'David'),
('2007-02-07', 'Isaac', 'Hector'), ('2007-02-07', 'Patricia', 'Oscar'),
('2007-02-07', 'Q', 'Patricia'), ('2007-02-07', 'Yuri', 'X'),
('2007-02-07', 'Shawn', 'Robert'), ('2007-02-07', 'Lois', 'Kathy'),
('2007-02-07', 'Francis', 'Eric'), ('2007-02-06', 'Theron', 'Shawn'),
('2007-02-06', 'Vincent', 'U'), ('2007-02-06', 'George', 'Francis'),
('2007-02-06', 'Hector', 'George'), ('2007-02-06', 'Walter', 'Vincent'),
('2007-02-06', 'X', 'Walter'), ('2007-02-07', 'Mark', 'Lois'),
('2007-02-07', 'Zack', 'Yuri'), ('2007-02-07', 'Jack', 'Isaac'),
('2007-02-07', 'Mark', 'Sharon'), ('2007-02-07', 'Michelle', 'Michael'),
('2007-02-07', 'Nathan', 'Derick'), ('2007-02-07', 'Xavier', 'Peter'),
('2007-02-07', 'Harold', 'Fred'), ('2007-02-07', 'Lisa', 'Katherine'),
('2007-02-07', 'Rina', 'Tom'), ('2007-02-07', 'Victor', 'Jerry'),
('2007-02-07', 'Terry', 'Alexander'), ('2007-02-07', 'John', 'Justin'),
('2007-02-07', 'Ernest', 'Greg');
SELECT * FROM t1 WHERE first_name='Andy' OR last_name='Jake';
id	time	first_name	last_name
drop table t1;
CREATE TABLE t1 (a DOUBLE NOT NULL, KEY(a)) ENGINE=InnoDB
PARTITION BY KEY(a) PARTITIONS 10;
INSERT INTO t1 VALUES(1),(2);
SELECT COUNT(*) FROM t1;
COUNT(*)
2
DROP TABLE t1;
create table t1 (int_column int, char_column char(5))
PARTITION BY RANGE (int_column) subpartition by key (char_column) subpartitions 2
(PARTITION p1 VALUES LESS THAN (5) ENGINE = InnoDB);
alter table t1
ENGINE = MyISAM
PARTITION BY RANGE (int_column)
subpartition by key (char_column) subpartitions 2
(PARTITION p1 VALUES LESS THAN (5));
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `int_column` int(11) DEFAULT NULL,
  `char_column` char(5) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (int_column)
SUBPARTITION BY KEY (char_column)
SUBPARTITIONS 2
(PARTITION p1 VALUES LESS THAN (5) ENGINE = MyISAM) */
drop table t1;
CREATE TABLE t1 (a INT) ENGINE=InnoDB
PARTITION BY list(a) (PARTITION p1 VALUES IN (1));
CREATE INDEX i1 ON t1 (a);
DROP TABLE t1;