| Current Path : /compat/linux/proc/68247/root/compat/linux/proc/68247/root/compat/linux/proc/3760/cwd/usr/opt/mysql57/mysql-test/r/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //compat/linux/proc/68247/root/compat/linux/proc/68247/root/compat/linux/proc/3760/cwd/usr/opt/mysql57/mysql-test/r/partition_innodb.result |
drop table if exists t1, t2;
#
# Bug#13694811: THE OPTIMIZER WRONGLY USES THE FIRST
# INNODB PARTITION STATISTICS
#
CREATE TABLE t1
(a INT,
b varchar(64),
PRIMARY KEY (a),
KEY (b))
ENGINE = InnoDB
PARTITION BY RANGE (a)
SUBPARTITION BY HASH (a) SUBPARTITIONS 10
(PARTITION pNeg VALUES LESS THAN (0),
PARTITION p0 VALUES LESS THAN (1000),
PARTITION pMAX VALUES LESS THAN MAXVALUE);
# Only one row in the first 10 subpartitions
INSERT INTO t1 VALUES (-1, 'Only negative pk value');
INSERT INTO t1 VALUES (0, 'Mod Zero'), (1, 'One'), (2, 'Two'), (3, 'Three'),
(10, 'Zero'), (11, 'Mod One'), (12, 'Mod Two'), (13, 'Mod Three'),
(20, '0'), (21, '1'), (22, '2'), (23, '3'),
(4, '4'), (5, '5'), (6, '6'), (7, '7'), (8, '8'), (9, '9');
INSERT INTO t1 SELECT a + 30, b FROM t1 WHERE a >= 0;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
EXPLAIN SELECT b FROM t1 WHERE b between 'L' and 'N' AND a > -100;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 pNeg_pNegsp0,pNeg_pNegsp1,pNeg_pNegsp2,pNeg_pNegsp3,pNeg_pNegsp4,pNeg_pNegsp5,pNeg_pNegsp6,pNeg_pNegsp7,pNeg_pNegsp8,pNeg_pNegsp9,p0_p0sp0,p0_p0sp1,p0_p0sp2,p0_p0sp3,p0_p0sp4,p0_p0sp5,p0_p0sp6,p0_p0sp7,p0_p0sp8,p0_p0sp9,pMAX_pMAXsp0,pMAX_pMAXsp1,pMAX_pMAXsp2,pMAX_pMAXsp3,pMAX_pMAXsp4,pMAX_pMAXsp5,pMAX_pMAXsp6,pMAX_pMAXsp7,pMAX_pMAXsp8,pMAX_pMAXsp9 range PRIMARY,b b 71 NULL 8 100.00 Using where; Using index
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` between 'L' and 'N') and (`test`.`t1`.`a` > <cache>(-(100))))
DROP TABLE t1;
#
# Bug#13007154: Crash in keys_to_use_for_scanning with ORDER BY
# and PARTITIONING
#
CREATE TABLE t1 (a INT, KEY(a))
ENGINE = InnoDB
PARTITION BY KEY (a) PARTITIONS 1;
SELECT 1 FROM t1 WHERE a > (SELECT LAST_INSERT_ID() FROM t1 LIMIT 0)
ORDER BY a;
1
DROP TABLE t1;
#
# Bug#56287: crash when using Partition datetime in sub in query
#
CREATE TABLE t1
(c1 bigint(20) unsigned NOT NULL AUTO_INCREMENT,
c2 varchar(40) not null default '',
c3 datetime not NULL,
PRIMARY KEY (c1,c3),
KEY partidx(c3))
ENGINE=InnoDB
PARTITION BY RANGE (TO_DAYS(c3))
(PARTITION p200912 VALUES LESS THAN (to_days('2010-01-01')),
PARTITION p201103 VALUES LESS THAN (to_days('2011-04-01')),
PARTITION p201912 VALUES LESS THAN MAXVALUE);
insert into t1(c2,c3) values ("Test row",'2010-01-01 00:00:00');
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = 't1' AND TABLE_SCHEMA = 'test';
PARTITION_NAME TABLE_ROWS
p200912 0
p201103 1
p201912 0
SELECT count(*) FROM t1 p where c3 in
(SELECT c3 FROM t1 t WHERE t.c3 < TIMESTAMP'2011-04-26 19:19:44'
AND t.c3 > TIMESTAMP'2011-04-26 19:18:44') ;
count(*)
0
DROP TABLE t1;
#
# Bug#54747: Deadlock between REORGANIZE PARTITION and
# SELECT is not detected
#
SET @old_innodb_thread_concurrency := @@innodb_thread_concurrency;
SET @old_innodb_thread_sleep_delay := @@innodb_thread_sleep_delay;
SET GLOBAL innodb_thread_concurrency = 2;
CREATE TABLE t1
(user_num BIGINT,
hours SMALLINT,
KEY user_num (user_num))
ENGINE = InnoDB
PARTITION BY RANGE COLUMNS (hours)
(PARTITION hour_003 VALUES LESS THAN (3),
PARTITION hour_004 VALUES LESS THAN (4),
PARTITION hour_005 VALUES LESS THAN (5),
PARTITION hour_last VALUES LESS THAN (MAXVALUE));
INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
BEGIN;
SELECT COUNT(*) FROM t1;
COUNT(*)
5
# con1
# SEND a ALTER PARTITION which waits on the ongoing transaction.
ALTER TABLE t1
REORGANIZE PARTITION hour_003, hour_004 INTO
(PARTITION oldest VALUES LESS THAN (4));
# Connection default wait until the ALTER is in 'waiting for table...'
# state and then continue the transaction by trying a SELECT
SELECT COUNT(*) FROM t1;
COUNT(*)
5
COMMIT;
# con1, reaping ALTER.
# Disconnecting con1 and switching to default. Cleaning up.
SET GLOBAL innodb_thread_concurrency = @old_innodb_thread_concurrency;
SET GLOBAL innodb_thread_sleep_delay = @old_innodb_thread_sleep_delay;
DROP TABLE t1;
#
# Bug#50418: DROP PARTITION does not interact with transactions
#
CREATE TABLE t1 (
id INT AUTO_INCREMENT NOT NULL,
name CHAR(50) NOT NULL,
myDate DATE NOT NULL,
PRIMARY KEY (id, myDate),
INDEX idx_date (myDate)
) ENGINE=InnoDB
PARTITION BY RANGE ( TO_DAYS(myDate) ) (
PARTITION p0 VALUES LESS THAN (734028),
PARTITION p1 VALUES LESS THAN (734029),
PARTITION p2 VALUES LESS THAN (734030),
PARTITION p3 VALUES LESS THAN MAXVALUE
) ;
INSERT INTO t1 VALUES
(NULL, 'Lachlan', '2009-09-13'),
(NULL, 'Clint', '2009-09-13'),
(NULL, 'John', '2009-09-14'),
(NULL, 'Dave', '2009-09-14'),
(NULL, 'Jeremy', '2009-09-15'),
(NULL, 'Scott', '2009-09-15'),
(NULL, 'Jeff', '2009-09-16'),
(NULL, 'Joe', '2009-09-16');
SET AUTOCOMMIT=0;
SELECT * FROM t1 FOR UPDATE;
id name myDate
1 Lachlan 2009-09-13
2 Clint 2009-09-13
3 John 2009-09-14
4 Dave 2009-09-14
5 Jeremy 2009-09-15
6 Scott 2009-09-15
7 Jeff 2009-09-16
8 Joe 2009-09-16
UPDATE t1 SET name = 'Mattias' WHERE id = 7;
SELECT * FROM t1 WHERE id = 7;
id name myDate
7 Mattias 2009-09-16
# Connection con1
SET lock_wait_timeout = 1;
# After the patch it will wait and fail on timeout.
ALTER TABLE t1 DROP PARTITION p3;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SHOW WARNINGS;
Level Code Message
Error 1205 Lock wait timeout exceeded; try restarting transaction
# Connection default
SELECT * FROM t1;
id name myDate
1 Lachlan 2009-09-13
2 Clint 2009-09-13
3 John 2009-09-14
4 Dave 2009-09-14
5 Jeremy 2009-09-15
6 Scott 2009-09-15
7 Mattias 2009-09-16
8 Joe 2009-09-16
# No changes.
COMMIT;
DROP TABLE t1;
SET AUTOCOMMIT= default;
#
# Bug#51830: Incorrect partition pruning on range partition (regression)
#
CREATE TABLE t1 (a INT NOT NULL)
ENGINE = InnoDB
PARTITION BY RANGE(a)
(PARTITION p10 VALUES LESS THAN (10),
PARTITION p30 VALUES LESS THAN (30),
PARTITION p50 VALUES LESS THAN (50),
PARTITION p70 VALUES LESS THAN (70),
PARTITION p90 VALUES LESS THAN (90));
INSERT INTO t1 VALUES (10),(30),(50);
INSERT INTO t1 VALUES (70);
INSERT INTO t1 VALUES (80);
INSERT INTO t1 VALUES (89);
INSERT INTO t1 VALUES (90);
ERROR HY000: Table has no partition for value 90
INSERT INTO t1 VALUES (100);
ERROR HY000: Table has no partition for value 100
insert INTO t1 VALUES (110);
ERROR HY000: Table has no partition for value 110
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 90;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` > 90)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 90;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` >= 90)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 90;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 90)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 89;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 p90 ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 89)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 89;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 p90 ALL NULL NULL NULL NULL 3 33.33 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` >= 89)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 89;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` > 89)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 100;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 100)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 100;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` >= 100)
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 100;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` > 100)
DROP TABLE t1;
#
# Bug#50104: Partitioned table with just 1 partion works with fk
#
CREATE TABLE t2 (
id INT,
PRIMARY KEY (id)
) ENGINE=InnoDB ;
CREATE TABLE t1 (
id INT NOT NULL AUTO_INCREMENT,
parent_id INT DEFAULT NULL,
PRIMARY KEY (id),
KEY parent_id (parent_id)
) ENGINE=InnoDB;
ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 1;
ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
ERROR HY000: Foreign keys are not yet supported in conjunction with partitioning
ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 2;
ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
ERROR HY000: Foreign keys are not yet supported in conjunction with partitioning
DROP TABLE t1, t2;
create table t1 (a varchar(5), b int signed, c varchar(10), d datetime)
partition by range columns(b,c)
subpartition by hash(to_seconds(d))
( partition p0 values less than (2, 'b'),
partition p1 values less than (4, 'd'),
partition p2 values less than (10, 'za'));
insert into t1 values ('a', 3, 'w', '2001-10-27 04:34:00');
insert into t1 values ('r', 7, 'w', '2001-10-27 05:34:00');
insert into t1 values ('g', 10, 'w', '2001-10-27 06:34:00');
update t1 set a = 'c' where a > 'f';
drop table t1;
create table t1 (a varchar(5))
engine=memory
partition by range columns(a)
( partition p0 values less than ('m'),
partition p1 values less than ('za'));
Warnings:
Warning 1287 The partition engine, used by table 'test.t1', is deprecated and will be removed in a future release. Please use native partitioning instead.
insert into t1 values ('j');
Warnings:
Warning 1287 The partition engine, used by table 'test.t1', is deprecated and will be removed in a future release. Please use native partitioning instead.
update t1 set a = 'z' where (a >= 'j');
drop table t1;
create table t1 (a varchar(5))
engine=myisam
partition by range columns(a)
( partition p0 values less than ('m'),
partition p1 values less than ('za'));
Warnings:
Warning 1287 The partition engine, used by table 'test.t1', is deprecated and will be removed in a future release. Please use native partitioning instead.
insert into t1 values ('j');
Warnings:
Warning 1287 The partition engine, used by table 'test.t1', is deprecated and will be removed in a future release. Please use native partitioning instead.
update t1 set a = 'z' where (a >= 'j');
drop table t1;
create table t1 (a varchar(5))
engine=innodb
partition by range columns(a)
( partition p0 values less than ('m'),
partition p1 values less than ('za'));
insert into t1 values ('j');
update t1 set a = 'z' where (a >= 'j');
drop table 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;
Warnings:
Warning 1287 '@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
SET autocommit = 0;
UPDATE t1 SET DATA = data*2 WHERE id = 3;
UPDATE t1 SET data = data*2 WHERE data = 2;
SET @@session.tx_isolation = @old_tx_isolation;
Warnings:
Warning 1287 '@@tx_isolation' is deprecated and will be removed in a future release. Please use '@@transaction_isolation' instead
SET autocommit= default;
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 HY000: Foreign keys are not yet supported in conjunction with partitioning
ALTER TABLE t2 PARTITION BY HASH(c1) PARTITIONS 5;
ERROR HY000: Foreign keys are not yet supported in conjunction with partitioning
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 Dynamic 0 # # 0 0 # 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 Dynamic 0 # # 0 0 # NULL # NULL NULL latin1_swedish_ci NULL partitioned
insert into t1 values (0), (1), (2), (3);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze 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 InnoDB 10 Dynamic 4 # # 0 0 # 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 Dynamic 0 # # 0 0 # 1 # NULL NULL latin1_swedish_ci NULL partitioned
insert into t1 values (NULL), (NULL), (NULL), (NULL);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze 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 InnoDB 10 Dynamic 4 # # 0 0 # 5 # # NULL latin1_swedish_ci NULL partitioned
insert into t1 values (NULL), (NULL), (NULL), (NULL);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze 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 InnoDB 10 Dynamic 8 # # 0 0 # 9 # # 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 filtered Extra
1 SIMPLE t1 p1 ALL NULL NULL NULL NULL 1 100.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` between '2006-01-01' and '2007-06-01')
drop table t1;
create table t1 (a int)
engine = x
partition by key (a);
ERROR 42000: Unknown storage engine 'x'
create table t1 (a int)
engine = innodb
partition by list (a)
(partition p0 values in (0));
alter table t1 engine = x;
ERROR 42000: Unknown storage 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;
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));
Warnings:
Warning 1287 The partition engine, used by table 'test.t1', is deprecated and will be removed in a future release. Please use native partitioning instead.
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) */
Warnings:
Warning 1287 The partition engine, used by table 'test.t1', is deprecated and will be removed in a future release. Please use native partitioning instead.
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;
#
# Bug#54783: optimize table crashes with invalid timestamp default value and NO_ZERO_DATE
#
DROP TABLE IF EXISTS t1;
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
Warnings:
Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release.
CREATE TABLE t1 (a INT, b TIMESTAMP DEFAULT '0000-00-00 00:00:00')
ENGINE=INNODB PARTITION BY LINEAR HASH (a) PARTITIONS 1;
SET @old_mode = @@sql_mode;
SET SESSION sql_mode = '';
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize, doing recreate + analyze instead
test.t1 optimize status OK
SET SESSION sql_mode = @old_mode;
DROP TABLE t1;
SET sql_mode = default;
#
# Bug#57985 "ONLINE/FAST ALTER PARTITION can fail and leave the
# table unusable".
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a bigint not null, b int not null, PRIMARY KEY (a))
ENGINE = InnoDB PARTITION BY KEY(a) PARTITIONS 2;
INSERT INTO t1 values (0,1), (1,2);
# The below ALTER should fail. It should leave the
# table in its original, non-corrupted, usable state.
ALTER TABLE t1 ADD UNIQUE KEY (b);
ERROR HY000: A UNIQUE INDEX must include all columns in the table's partitioning function
# The below statements should succeed, as ALTER should
# have left table intact.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) NOT NULL,
`b` int(11) NOT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
PARTITIONS 2 */
SELECT * FROM t1;
a b
1 2
0 1
DROP TABLE t1;
#
# Bug#16943907: FLUSH TABLES FOR EXPORT: ASSERTION IN HA_PARTITION::EXTRA
#
CREATE TABLE t1 (a int, PRIMARY KEY (a)) ENGINE=InnoDB
PARTITION BY HASH (a) PARTITIONS 2;
FLUSH TABLES t1 FOR EXPORT;
# List of files after EXPORT (should include a .cfg file for each part).
t1#P#p0.cfg
t1#P#p0.ibd
t1#P#p1.cfg
t1#P#p1.ibd
t1.frm
# Copying the .cfg and .ibd files as backup
UNLOCK TABLES;
# List of files after UNLOCK (no .cfg files).
t1#P#p0.ibd
t1#P#p1.ibd
t1.frm
ALTER TABLE t1 DISCARD TABLESPACE;
# List of files after DISCARD (no .cfg/.ibd files).
t1.frm
# Moving the .cfg and .ibd files back from backup
ALTER TABLE t1 IMPORT TABLESPACE;
# List of files after IMPORT (.cfg files still there).
t1#P#p0.cfg
t1#P#p0.ibd
t1#P#p1.cfg
t1#P#p1.ibd
t1.frm
DROP TABLE t1;
# List of files after DROP (.cfg files should also be removed).
#
# Bug#13737949: CRASH IN HA_PARTITION::INDEX_INIT
# Bug#18694052: SERVER CRASH IN HA_PARTITION::INIT_RECORD_PRIORITY_QUEUE
#
CREATE TABLE t1
(a INT,
b INT,
PRIMARY KEY (a))
ENGINE = InnoDB
PARTITION BY HASH (a) PARTITIONS 3;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
# con1
ALTER TABLE t1 ADD INDEX idx1 (b);
# con default
SELECT b FROM t1 WHERE b = 0;
ERROR HY000: Table definition has changed, please retry transaction
SELECT b FROM t1 WHERE b = 0;
ERROR HY000: Table definition has changed, please retry transaction
SELECT * FROM t1;
ERROR HY000: Table definition has changed, please retry transaction
DROP TABLE t1;
# Same test without partitioning
CREATE TABLE t1
(a INT,
b INT,
PRIMARY KEY (a))
ENGINE = InnoDB;
START TRANSACTION WITH CONSISTENT SNAPSHOT;
# con1
ALTER TABLE t1 ADD INDEX idx1 (b);
# con default
SELECT b FROM t1 WHERE b = 0;
ERROR HY000: Table definition has changed, please retry transaction
SELECT b FROM t1 WHERE b = 0;
ERROR HY000: Table definition has changed, please retry transaction
SELECT * FROM t1;
ERROR HY000: Table definition has changed, please retry transaction
DROP TABLE t1;
Bug 17896265 PARTITIONED TABLE HAS MISPLACED ROWS, AFTER INPLACE ALTER
CREATE TABLE t1 (
f1 INT(11) NOT NULL,
f2 INT(11) NOT NULL
)
ENGINE=InnoDB
PARTITION BY KEY (f1,f2) PARTITIONS 2;
INSERT INTO t1 VALUES (9585,5);
ALTER TABLE t1 CHANGE f1 f1 INT AFTER f2, ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
CREATE TABLE t2 (
f1 INT(11) NOT NULL,
f2 INT(11) NOT NULL,
f3 INT(11) NOT NULL,
f4 INT(11) NOT NULL
)
ENGINE=InnoDB
PARTITION BY KEY (f2,f3) PARTITIONS 2;
INSERT INTO t2 VALUES (10,9585,5,20);
ALTER TABLE t2 CHANGE f3 f3 INT AFTER f4, ALGORITHM=INPLACE;
CHECK TABLE t2;
Table Op Msg_type Msg_text
test.t2 check status OK
ALTER TABLE t2 CHANGE f3 f3 INT AFTER f1, ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
ALTER TABLE t2 CHANGE f4 f4 INT AFTER f3, ALGORITHM=INPLACE;
CHECK TABLE t2;
Table Op Msg_type Msg_text
test.t2 check status OK
ALTER TABLE t2 CHANGE f1 f1 INT AFTER f4, ALGORITHM=INPLACE;
CHECK TABLE t2;
Table Op Msg_type Msg_text
test.t2 check status OK
ALTER TABLE t2 CHANGE f1 f1 INT AFTER f2, ALGORITHM=INPLACE;
CHECK TABLE t2;
Table Op Msg_type Msg_text
test.t2 check status OK
ALTER TABLE t2 CHANGE f2 f2 INT AFTER f4, ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
CREATE TABLE t3 (f1 INT,f2 INT) ENGINE=INNODB
PARTITION BY RANGE(f1) (
PARTITION p0 VALUES LESS THAN (100),
PARTITION p1 VALUES LESS THAN (200),
PARTITION p2 VALUES LESS THAN (600),
PARTITION p3 VALUES LESS THAN MAXVALUE
);
insert into t3 values (90,120);
insert into t3 values (120,300);
ALTER TABLE t3 CHANGE f1 f1 int AFTER f2, ALGORITHM=INPLACE;
CHECK TABLE t3;
Table Op Msg_type Msg_text
test.t3 check status OK
CREATE TABLE t4 (
f1 INT(11) NOT NULL,
f2 INT(11) NOT NULL
)
ENGINE=InnoDB
PARTITION BY HASH (MOD(f1,f2)) PARTITIONS 2;
INSERT INTO t4 VALUES (9585,5);
ALTER TABLE t4 CHANGE f1 f1 INT AFTER f2, ALGORITHM=INPLACE;
CHECK TABLE t4;
Table Op Msg_type Msg_text
test.t4 check status OK
CREATE TABLE t5 (
f1 INT,
f2 INT
)
ENGINE=InnoDB
PARTITION BY RANGE COLUMNS(f1,f2) (
PARTITION p0 VALUES LESS THAN (10000,12),
PARTITION p1 VALUES LESS THAN (MAXVALUE, MAXVALUE)
);
INSERT INTO t5 VALUES (1,20000);
ALTER TABLE t5 CHANGE f1 f1 INT AFTER f2, ALGORITHM=INPLACE;
CHECK TABLE t5;
Table Op Msg_type Msg_text
test.t5 check status OK
CREATE TABLE t6 (
a INT,
b INT
)
ENGINE=InnoDB
PARTITION BY RANGE COLUMNS(a,b)
SUBPARTITION BY KEY(a,b)
SUBPARTITIONS 2 (
PARTITION p0 VALUES LESS THAN (10000,12),
PARTITION p1 VALUES LESS THAN (MAXVALUE, MAXVALUE)
);
INSERT INTO t6 VALUES (9585,5);
ALTER TABLE t6 CHANGE a a INT AFTER b, ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
CREATE TABLE t7 (
f1 INT(11) NOT NULL,
f2 INT(11) NOT NULL,
f3 INT(11) NOT NULL,
f4 INT(11) NOT NULL,
f5 INT(11) NOT NULL
)
ENGINE=InnoDB
PARTITION BY KEY (f1,f5) PARTITIONS 2;
INSERT INTO t7 VALUES (9585,10,20,10,5);
ALTER TABLE t7 CHANGE f5 f5 INT AFTER f3, ALGORITHM=INPLACE;
CHECK TABLE t7;
Table Op Msg_type Msg_text
test.t7 check status OK
ALTER TABLE t7 CHANGE f5 f5 INT AFTER f2, ALGORITHM=INPLACE;
CHECK TABLE t7;
Table Op Msg_type Msg_text
test.t7 check status OK
ALTER TABLE t7 CHANGE f1 f1 INT AFTER f4, ALGORITHM=INPLACE;
ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
DROP TABLE t1,t2,t3,t4,t5,t6,t7;
# Coverage tests for Native InnoDB Partitioning
#
# Test enable/disable keys.
#
CREATE TABLE t1 (a int, b int, primary key (a), key (b))
ENGINE = InnoDB
PARTITION BY HASH (a) PARTITIONS 3;
INSERT INTO t1 VALUES (1,1),(2,1),(3,3),(4,1),(5,3),(6,1),(7,1),(8,1),(9,4),
(10,1),(11,3),(12,1),(13,3),(14,1),(15,1),(16,3),(17,1),(18,1),(19,1),(20,3);
EXPLAIN SELECT * FROM t1 WHERE b = 4;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 p0,p1,p2 ref b b 5 const 1 100.00 Using index
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`b` = 4)
ALTER TABLE t1 DISABLE KEYS;
Warnings:
Note 1031 Table storage engine for 't1' doesn't have this option
INSERT INTO t1 VALUES (21,1),(22,1),(23,3),(24,1);
EXPLAIN SELECT * FROM t1 WHERE b = 4;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 p0,p1,p2 ref b b 5 const 1 100.00 Using index
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`b` = 4)
ALTER TABLE t1 ENABLE KEYS;
Warnings:
Note 1031 Table storage engine for 't1' doesn't have this option
EXPLAIN SELECT * FROM t1 WHERE b = 4;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 p0,p1,p2 ref b b 5 const 1 100.00 Using index
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`b` = 4)
DROP TABLE t1;
#
# Test with different key sizes
#
CREATE TABLE t1
(a int NOT NULL,
b int NOT NULL,
c varchar(10) NOT NULL,
INDEX(a),
UNIQUE KEY (c(5), a, b)
)
ENGINE=InnoDB
PARTITION BY HASH (b) PARTITIONS 2;
SELECT * FROM t1 WHERE a = '92' AND c = '0.73';
a b c
SELECT * FROM t1 WHERE a = '1224';
a b c
DROP TABLE t1;
#
# Test with index_merge using PK
#
CREATE TABLE t1
(
a int NOT NULL,
b int NOT NULL DEFAULT 2,
c int NOT NULL DEFAULT 3,
PRIMARY KEY (a),
INDEX i2(b),
INDEX i3(c)
)
ENGINE = InnoDB
PARTITION BY HASH (a) PARTITIONS 3;
INSERT INTO t1 (a) VALUES (1),(2),(3),(4),(5),(6),(7),(8);
INSERT INTO t1 (a) SELECT a+8 FROM t1;
UPDATE t1 SET b=a,c=a;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
EXPLAIN SELECT * FROM t1 WHERE a=3 OR b=4;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 p0,p1,p2 index_merge PRIMARY,i2 PRIMARY,i2 4,4 NULL # 100.00 Using union(PRIMARY,i2); Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where ((`test`.`t1`.`a` = 3) or (`test`.`t1`.`b` = 4))
SELECT * FROM t1 WHERE a=3 OR b=4;
a b c
3 3 3
4 4 4
DROP TABLE t1;
#
# Test error handling in mysql_admin
#
CREATE TABLE t1 (a int)
PARTITION BY LINEAR HASH (a) PARTITIONS 8;
LOAD INDEX INTO CACHE t1 PARTITION (ALL);
Table Op Msg_type Msg_text
test.t1 preload_keys note The storage engine for the table doesn't support preload_keys
ALTER TABLE t1 COALESCE PARTITION 2;
DROP TABLE t1;
#
# Bug #17299181 CREATE_TIME AND UPDATE_TIME ARE
# WRONG FOR PARTITIONED TABLES
#
CREATE TABLE t1 (a int, PRIMARY KEY (a)) ENGINE=InnoDB
PARTITION BY HASH (a) PARTITIONS 2;
SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE
CREATE_TIME IS NOT NULL AND TABLE_NAME='t1';
COUNT(*)
1
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE
CREATE_TIME IS NOT NULL AND UPDATE_TIME IS NOT NULL
AND TABLE_NAME='t1';
COUNT(*)
1
DROP TABLE t1;
#
# Bug#20160327 OPTIMIZE TABLE REMOVES THE DATA DIRECTORY IN PARTITIONS
#
CREATE TABLE `t1` (
`f1` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
`f2` MEDIUMTEXT NOT NULL,
`f3` CHAR(100) NOT NULL,
`f4` TINYINT(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB AUTO_INCREMENT=0 DEFAULT CHARSET=latin1
PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir' ENGINE = InnoDB);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir/' ENGINE = InnoDB) */
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize, doing recreate + analyze instead
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir/' ENGINE = InnoDB) */
t1#p#p1.ibd
t1#p#p0.ibd
t1#p#p1.isl
t1.frm
ALTER TABLE t1 OPTIMIZE PARTITION p0;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize on partitions. All partitions will be rebuilt and analyzed.
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir/' ENGINE = InnoDB) */
t1#p#p1.ibd
t1#p#p0.ibd
t1#p#p1.isl
t1.frm
ALTER TABLE t1 OPTIMIZE PARTITION p1;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize on partitions. All partitions will be rebuilt and analyzed.
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir/' ENGINE = InnoDB) */
t1#p#p1.ibd
t1#p#p0.ibd
t1#p#p1.isl
t1.frm
ALTER TABLE t1 REBUILD PARTITION ALL;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir' ENGINE = InnoDB) */
t1#p#p1.ibd
t1#p#p0.ibd
t1#p#p1.isl
t1.frm
ALTER TABLE t1 ADD extracol VARCHAR(32) NULL;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
`extracol` varchar(32) DEFAULT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir' ENGINE = InnoDB) */
t1#p#p1.ibd
t1#p#p0.ibd
t1#p#p1.isl
t1.frm
DROP TABLE t1;
CREATE TABLESPACE ts1 ADD DATAFILE 'MYSQL_TMP_DIR/ts1.ibd' ENGINE=Innodb;
CREATE TABLE `t1` (
`f1` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
`f2` MEDIUMTEXT NOT NULL,
`f3` CHAR(100) NOT NULL,
`f4` TINYINT(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) TABLESPACE ts1 ENGINE=InnoDB AUTO_INCREMENT=0 DEFAULT CHARSET=latin1
PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_tblspc' ENGINE = InnoDB);
Warnings:
Warning 1681 'InnoDB : A table partition in a shared tablespace' is deprecated and will be removed in a future release.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) /*!50100 TABLESPACE `ts1` */ ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_tblspc/' ENGINE = InnoDB) */
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize, doing recreate + analyze instead
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) /*!50100 TABLESPACE `ts1` */ ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_tblspc/' ENGINE = InnoDB) */
ALTER TABLE t1 OPTIMIZE PARTITION p0;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize on partitions. All partitions will be rebuilt and analyzed.
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) /*!50100 TABLESPACE `ts1` */ ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_tblspc/' ENGINE = InnoDB) */
ALTER TABLE t1 OPTIMIZE PARTITION p1;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize on partitions. All partitions will be rebuilt and analyzed.
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f2` mediumtext NOT NULL,
`f3` char(100) NOT NULL,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) /*!50100 TABLESPACE `ts1` */ ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_tblspc/' ENGINE = InnoDB) */
DROP TABLE t1;
DROP TABLESPACE ts1;
CREATE TABLESPACE ts1 ADD DATAFILE 'MYSQL_TMP_DIR/ts1.ibd' ENGINE=Innodb;
CREATE TABLESPACE ts2 ADD DATAFILE 'MYSQL_TMP_DIR/ts2.ibd' ENGINE=Innodb;
CREATE TABLE `t1` (
`f1` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
`f4` TINYINT(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB AUTO_INCREMENT=0 DEFAULT CHARSET=latin1
PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE ts1 ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) TABLESPACE ts2 ENGINE = InnoDB);
Warnings:
Warning 1681 'InnoDB : A table partition in a shared tablespace' is deprecated and will be removed in a future release.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) TABLESPACE = `ts2` ENGINE = InnoDB) */
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize, doing recreate + analyze instead
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) TABLESPACE = `ts2` ENGINE = InnoDB) */
DROP TABLE t1;
DROP TABLESPACE ts1;
DROP TABLESPACE ts2;
CREATE TABLESPACE ts1 ADD DATAFILE 'MYSQL_TMP_DIR/ts1.ibd' ENGINE=Innodb;
CREATE TABLE `t1` (
`f1` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
`f4` TINYINT(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB AUTO_INCREMENT=0 DEFAULT CHARSET=latin1
PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE ts1 ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) TABLESPACE innodb_file_per_table DATA DIRECTORY='MYSQL_TMP_DIR/temp_dir' ENGINE = InnoDB,
PARTITION p2 VALUES IN (2) TABLESPACE innodb_file_per_table ENGINE = InnoDB,
PARTITION p3 VALUES IN (3) TABLESPACE innodb_system ENGINE = InnoDB);
Warnings:
Warning 1681 'InnoDB : A table partition in a shared tablespace' is deprecated and will be removed in a future release.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) TABLESPACE = `innodb_file_per_table` DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir/' ENGINE = InnoDB,
PARTITION p2 VALUES IN (2) TABLESPACE = `innodb_file_per_table` ENGINE = InnoDB,
PARTITION p3 VALUES IN (3) TABLESPACE = `innodb_system` ENGINE = InnoDB) */
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize note Table does not support optimize, doing recreate + analyze instead
test.t1 optimize status OK
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f1` int(10) unsigned NOT NULL AUTO_INCREMENT,
`f4` tinyint(1) unsigned NOT NULL,
PRIMARY KEY (`f1`,`f4`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (`f4`)
(PARTITION p0 VALUES IN (0) TABLESPACE = `ts1` ENGINE = InnoDB,
PARTITION p1 VALUES IN (1) TABLESPACE = `innodb_file_per_table` DATA DIRECTORY = 'MYSQL_TMP_DIR/temp_dir/' ENGINE = InnoDB,
PARTITION p2 VALUES IN (2) TABLESPACE = `innodb_file_per_table` ENGINE = InnoDB,
PARTITION p3 VALUES IN (3) TABLESPACE = `innodb_system` ENGINE = InnoDB) */
DROP TABLE t1;
DROP TABLESPACE ts1;
Bug #25942592 INNODB: FAILING ASSERTION: INDEX->PAGE != 0XFFFFFFFF
IN BTR0CUR.CC LINE 816
call mtr.add_suppression("Missing .ibd file for table");
CREATE TABLE t1(c1 INT,c2 CHAR (1),c3 DATE) ENGINE=InnoDB PARTITION BY HASH
(TO_DAYS(c3)) PARTITIONS 12;
ALTER TABLE t1 ADD INDEX(c1);
ALTER TABLE t1 DISCARD PARTITION p2 TABLESPACE;
SELECT COUNT(*)FROM t1,t1 AS b WHERE t1.c1=''AND t1.c2=b.c1;
ERROR HY000: Tablespace has been discarded for table 't1'
CREATE TABLE t2 (c1 int,c2 CHAR (1),c3 date,key(c1)) ENGINE=InnoDB
PARTITION BY RANGE (TO_DAYS(c3))
(
PARTITION p0 VALUES LESS THAN (TO_DAYS('1979-01-01')),
PARTITION p1 VALUES LESS THAN (TO_DAYS('1989-01-01')),
PARTITION p2 VALUES LESS THAN (TO_DAYS('1999-01-01'))
);
ALTER TABLE t2 DISCARD PARTITION p2 TABLESPACE;
SELECT COUNT(*)FROM t2,t2 AS b WHERE t2.c1=''AND t2.c2=b.c1;
ERROR HY000: Tablespace has been discarded for table 't2'
DROP TABLE t1,t2;
Bug #26034430 ASSERTION `PART_REC_BUF_PTR' FAILED.
CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL, c INT NOT NULL, PRIMARY KEY(a,b)) PARTITION BY RANGE (a)(PARTITION x1 VALUES LESS THAN (1));
SELECT * FROM t1 WHERE (a = 1 and b = 1 and c = 'b') OR (a > 2) ORDER BY a DESC;
a b c
CREATE TABLE t(id INT(11) UNSIGNED NOT NULL AUTO_INCREMENT, dttm DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, msg TEXT,PRIMARY KEY (id,dttm))ENGINE=INNODB DEFAULT CHARSET=UTF8MB4 ROW_FORMAT=DYNAMIC PARTITION BY RANGE COLUMNS(dttm) (PARTITION pf_201612 VALUES LESS THAN ('20170101') ENGINE = INNODB);
SELECT * FROM t WHERE dttm > '2017-01-19' ORDER BY id DESC;
id dttm msg
DROP TABLE t,t1;
Bug #26731025 INNODB PARTITION TABLE WILL LOCK INTO THE NEAR RECORD AS A CONDITION IN THE USE
create table test12 (name varchar(30),age bigint,grade bigint,date datetime
not null,partition_id int not null,
PRIMARY KEY (`name`,`PARTITION_ID`),
KEY `IDX_DATE` (`date`,`name`,`partition_id`),
KEY `IDX_AGE` (`age`,`partition_id`) ) PARTITION BY RANGE
COLUMNS(PARTITION_ID)
(PARTITION p0 VALUES LESS THAN (0) ENGINE = InnoDB,
PARTITION P1 VALUES LESS THAN (1) ENGINE = InnoDB,
PARTITION P2 VALUES LESS THAN (2) ENGINE = InnoDB,
PARTITION P3 VALUES LESS THAN (3) ENGINE = InnoDB,
PARTITION P4 VALUES LESS THAN (4) ENGINE = InnoDB,
PARTITION P5 VALUES LESS THAN (5) ENGINE = InnoDB,
PARTITION P6 VALUES LESS THAN (6) ENGINE = InnoDB,
PARTITION P7 VALUES LESS THAN (7) ENGINE = InnoDB,
PARTITION P8 VALUES LESS THAN (8) ENGINE = InnoDB,
PARTITION P9 VALUES LESS THAN (9) ENGINE = InnoDB);
insert into test12 values('Tom1',20,1,'2017-08-25
12:12:12',1),('Tom2',21,1,'2017-08-25 12:12:12',1),('Tom3',23,1,'2017-08-25
12:12:12',1);
begin;
update test12 set grade=3,date=now() where age=23 and
partition_id=1;
begin;
update test12 set grade=1,date=now() where age=21 and
partition_id=1;
begin;
update test12 set grade=0,date=now() where age=20 and
partition_id=1;
drop table test12;
Bug #26390658 RENAMING A PARTITIONED TABLE DOES NOT UPDATE
MYSQL.INNODB_TABLE_STATS.
CREATE DATABASE test_jfg;
CREATE TABLE test_jfg.test_jfg1 (id int(10) unsigned NOT NULL,PRIMARY
KEY (id)) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC;
CREATE TABLE test_jfg.test_jfg2 (id int(10) unsigned NOT NULL,PRIMARY
KEY (id)) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC
PARTITION BY RANGE ( id ) (PARTITION p1000 VALUES LESS THAN (1000)
ENGINE = InnoDB,PARTITION pmax VALUES LESS THAN MAXVALUE ENGINE =
InnoDB);
SELECT database_name, table_name FROM mysql.innodb_table_stats WHERE
database_name = 'test_jfg';
database_name table_name
test_jfg test_jfg1
test_jfg test_jfg2#P#p1000
test_jfg test_jfg2#P#pmax
RENAME TABLE test_jfg.test_jfg1 TO test_jfg.test_jfg11;
RENAME TABLE test_jfg.test_jfg2 TO test_jfg.test_jfg12;
SELECT database_name, table_name FROM mysql.innodb_table_stats WHERE
database_name = 'test_jfg';
database_name table_name
test_jfg test_jfg11
test_jfg test_jfg12#P#p1000
test_jfg test_jfg12#P#pmax
DROP DATABASE test_jfg;
#
# Bug#27073100: PARTITION UPDATE_TIME NOT CORRECT AFTER RESTART/REBUILD
#
# Set up.
CREATE TABLE t1 (fld1 INT(11) NOT NULL, fld2 INT(11) NOT NULL,
fld3 DATE NOT NULL, fld4 DATE NOT NULL,
PRIMARY KEY (fld1, fld3), KEY(fld1)) PARTITION
BY RANGE (YEAR(fld3))
(PARTITION p01 VALUES LESS THAN (1985) ENGINE = InnoDB,
PARTITION p02 VALUES LESS THAN (1986) ENGINE = InnoDB,
PARTITION p03 VALUES LESS THAN MAXVALUE ENGINE = InnoDB);
INSERT INTO t1 VALUES('11', '11111', '1984-11-16',
'2008-11-16'), ('12', '11112', '1985-11-16', '2008-11-16'),
('13', '11113', '1986-11-16', '2008-11-16');
# Fetch the count of 'update_time' which is not null.
SELECT TABLE_NAME, COUNT(UPDATE_TIME) FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1' ORDER BY
PARTITION_ORDINAL_POSITION;
TABLE_NAME COUNT(UPDATE_TIME)
t1 3
# Rebuild the table.
ALTER TABLE t1 ENGINE=INNODB;
# After table rebuild, the 'update_time' will be set to NULL.
# Hence the count would return 0.
SELECT TABLE_NAME, COUNT(UPDATE_TIME) FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1' ORDER BY
PARTITION_ORDINAL_POSITION;
TABLE_NAME COUNT(UPDATE_TIME)
t1 0
# Update the table where partition p02 is updated.
UPDATE t1 SET fld2 = 71000 WHERE fld1 = 12 AND fld3 = '1985-11-16';
# Without fix, the count for 'update_time' will be 2. After fix,
# it will be 1 since only partition 'p02' is updated.
SELECT TABLE_NAME, COUNT(UPDATE_TIME)
FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_SCHEMA = 'test' AND
TABLE_NAME = 't1' ORDER BY PARTITION_ORDINAL_POSITION;
TABLE_NAME COUNT(UPDATE_TIME)
t1 1
DROP TABLE t1;
BUG#26553164 - INNODB PARTITION TABLE HAS UNEXPECTED ROW LOCK
CREATE TABLE `t1` (
`id` int(11) NOT NULL,
`dt` datetime NOT NULL,
`data` varchar(10) DEFAULT NULL,
PRIMARY KEY (`id`,`dt`),
KEY `idx_dt` (`dt`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (to_days(dt))
(PARTITION p20170218 VALUES LESS THAN (736744) ENGINE = InnoDB,
PARTITION p20170219 VALUES LESS THAN (736745) ENGINE = InnoDB,
PARTITION pMax VALUES LESS THAN MAXVALUE ENGINE = InnoDB) */;
INSERT INTO t1 VALUES (1, '2018-04-25 10:18:00', '1');
INSERT INTO t1 VALUES (2, '2018-04-25 10:18:01', '2');
INSERT INTO t1 VALUES (3, '2018-04-25 10:18:02', '3');
SELECT * FROM t1;
id dt data
1 2018-04-25 10:18:00 1
2 2018-04-25 10:18:01 2
3 2018-04-25 10:18:02 3
begin;
UPDATE t1 SET data = '11' WHERE id = 1;
begin;
UPDATE t1 SET data = '22' WHERE id = 2;
commit;
SELECT * FROM t1;
id dt data
1 2018-04-25 10:18:00 11
2 2018-04-25 10:18:01 22
3 2018-04-25 10:18:02 3
DROP TABLE t1;