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	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	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	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	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	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	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:
Error	1286	Unknown table engine 'x'
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;
Warnings:
Error	1286	Unknown table engine 'x'
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;