mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 21:12:26 +01:00
187b01a45f
Issuing SELECT COUNT(*) against partitioned InnoDB table may cause server crash. Fixed that not all required fields were included into read_set.
138 lines
6.8 KiB
Text
138 lines
6.8 KiB
Text
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:
|
|
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;
|
|
Warnings:
|
|
Warning 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;
|
|
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;
|