drop table if exists t1, t2;
#
#BUG 18618561: FAILED ALTER TABLE ENGINE CHANGE WITH PARTITIONS
#              CORRUPTS FRM
# After WL#8971, the test case was rewritten to use InnoDB.
CREATE TABLE t1 (fld1 INT PRIMARY KEY) ENGINE= INNODB PARTITION BY HASH(fld1)
PARTITIONS 5;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `fld1` int NOT NULL,
  PRIMARY KEY (`fld1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
/*!50100 PARTITION BY HASH (`fld1`)
PARTITIONS 5 */
ALTER TABLE t1 ENGINE= ARCHIVE;
ERROR 42000: The storage engine for the table doesn't support native partitioning
#After the patch, the ENGINE is correctly displayed as InnoDB
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `fld1` int NOT NULL,
  PRIMARY KEY (`fld1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
/*!50100 PARTITION BY HASH (`fld1`)
PARTITIONS 5 */
#Cleanup.
DROP TABLE t1;
#
# Bug#11763825/56590: PARTITIONS: FULLTEXT SEARCHES FAIL
# (bad/confusing error message)
# After WL#8971, the test case was rewritten to use InnoDB.
# The errors returned are  different.
#
CREATE TABLE t1
(a INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
b VARCHAR(200),
c TEXT)
ENGINE=InnoDB
PARTITION BY HASH(a) PARTITIONS 1;
CREATE FULLTEXT INDEX msg ON t1 (b, c);
ERROR HY000: The used table type doesn't support FULLTEXT indexes
DROP TABLE t1;
CREATE TABLE t1
(a INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
b VARCHAR(200),
c TEXT,
FULLTEXT (b, c))
ENGINE=InnoDB
PARTITION BY HASH(a) PARTITIONS 1;
ERROR HY000: The used table type doesn't support FULLTEXT indexes
#
# BUG#11933226 - 60681: CHECKSUM TABLE RETURNS 0 FOR PARTITIONED TABLE
# After WL#8971, the test case was rewritten to use InnoDB.
#
CREATE TABLE t1 (
i INT
)
ENGINE=InnoDB
PARTITION BY RANGE (i)
(PARTITION p3 VALUES LESS THAN (3),
PARTITION p5 VALUES LESS THAN (5),
PARTITION pMax VALUES LESS THAN MAXVALUE);
INSERT INTO t1 VALUES (1), (2), (3), (4), (5), (6);
CHECKSUM TABLE t1;
Table	Checksum
test.t1	2653438147
ALTER TABLE t1 CHECKSUM = 1;
CHECKSUM TABLE t1 EXTENDED;
Table	Checksum
test.t1	2653438147
CHECKSUM TABLE t1;
Table	Checksum
test.t1	2653438147
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci CHECKSUM=1
/*!50100 PARTITION BY RANGE (`i`)
(PARTITION p3 VALUES LESS THAN (3) ENGINE = InnoDB,
 PARTITION p5 VALUES LESS THAN (5) ENGINE = InnoDB,
 PARTITION pMax VALUES LESS THAN MAXVALUE ENGINE = InnoDB) */
DROP TABLE t1;
# Same test without partitioning
CREATE TABLE t1 (
i INT
) ENGINE=InnoDB;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
INSERT INTO t1 VALUES (1), (2), (3), (4), (5), (6);
CHECKSUM TABLE t1;
Table	Checksum
test.t1	2653438147
ALTER TABLE t1 CHECKSUM = 1;
CHECKSUM TABLE t1 EXTENDED;
Table	Checksum
test.t1	2653438147
CHECKSUM TABLE t1;
Table	Checksum
test.t1	2653438147
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci CHECKSUM=1
DROP TABLE t1;
#
# 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	263	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);
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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;
#
# 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 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` > 90)
EXPLAIN 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` >= 90)
EXPLAIN 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 90)
EXPLAIN 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 89)
EXPLAIN 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` >= 89)
EXPLAIN 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` > 89)
EXPLAIN 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 100)
EXPLAIN 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:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` >= 100)
EXPLAIN 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:
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=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_transaction_isolation := @@session.transaction_isolation;
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.transaction_isolation = @old_transaction_isolation;
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;
create table t1 (a int) engine=innodb partition by hash(a) ;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
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	utf8mb4_0900_ai_ci	NULL	partitioned	
drop table t1;
create table t1 (a int)
engine = innodb
partition by key (a);
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	0	#	#	0	0	#	NULL	#	#	NULL	utf8mb4_0900_ai_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	utf8mb4_0900_ai_ci	NULL	partitioned	
drop table t1;
create table t1 (a int auto_increment primary key)
engine = innodb
partition by key (a);
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	0	#	#	0	0	#	1	#	#	NULL	utf8mb4_0900_ai_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	utf8mb4_0900_ai_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	utf8mb4_0900_ai_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 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:
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 DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
/*!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 (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';
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 (prefixed columns are not considered).
# 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 NOT NULL,
  `b` int NOT NULL,
  PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
/*!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
# 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
ALTER TABLE t1 DISCARD TABLESPACE;
# List of files after DISCARD (no .cfg/.ibd files).
# 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
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;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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;
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 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' OR FALSE;
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);
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f1` int unsigned NOT NULL AUTO_INCREMENT,
  `f2` mediumtext NOT NULL,
  `f3` char(100) NOT NULL,
  `f4` tinyint 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 unsigned NOT NULL AUTO_INCREMENT,
  `f2` mediumtext NOT NULL,
  `f3` char(100) NOT NULL,
  `f4` tinyint 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
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 unsigned NOT NULL AUTO_INCREMENT,
  `f2` mediumtext NOT NULL,
  `f3` char(100) NOT NULL,
  `f4` tinyint 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
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 unsigned NOT NULL AUTO_INCREMENT,
  `f2` mediumtext NOT NULL,
  `f3` char(100) NOT NULL,
  `f4` tinyint 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
ALTER TABLE t1 REBUILD PARTITION ALL;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f1` int unsigned NOT NULL AUTO_INCREMENT,
  `f2` mediumtext NOT NULL,
  `f3` char(100) NOT NULL,
  `f4` tinyint 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
ALTER TABLE t1 ADD extracol VARCHAR(32) NULL;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f1` int unsigned NOT NULL AUTO_INCREMENT,
  `f2` mediumtext NOT NULL,
  `f3` char(100) NOT NULL,
  `f4` tinyint 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
DROP TABLE t1;

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
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'b'
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);
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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);
Warnings:
Warning	4095	Delimiter '\n' in position 10 in datetime value '2017-08-25
12:12:12' at row 1 is deprecated. Prefer the standard ' '.
Warning	4095	Delimiter '\n' in position 10 in datetime value '2017-08-25
12:12:12' at row 3 is deprecated. Prefer the standard ' '.
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#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);
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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 3. 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) */;
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
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;
#
# WL#1074 - Descending index support.
#
CREATE TABLE t1
(a VARCHAR(10),
b VARCHAR(10),
PRIMARY KEY (a DESC, b DESC),
KEY ab_asc (a ASC, b ASC),
KEY a_asc_b_desc (a ASC, b DESC),
key a_desc_b_asc (a DESC, b ASC))
ENGINE = InnoDB
PARTITION BY KEY (a, b) PARTITIONS 3;
INSERT INTO t1 VALUES ("0", "0"), ("1", "1"), ("2", "2"), ("3", "3"),
("4", "4"), ("55", "55"), ("54", "54"), ("1", "2"), ("1", "4"), ("1", "3"),
("55", "54"), ("0", "1");
ANALYZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
# Test non ordered index access
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`PRIMARY`);
a	b
0	0
0	1
1	1
1	2
1	3
1	4
2	2
3	3
4	4
54	54
55	54
55	55
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`ab_asc`);
a	b
0	0
0	1
1	1
1	2
1	3
1	4
2	2
3	3
4	4
54	54
55	54
55	55
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`a_asc_b_desc`);
a	b
0	0
0	1
1	1
1	2
1	3
1	4
2	2
3	3
4	4
54	54
55	54
55	55
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`a_desc_b_asc`);
a	b
0	0
0	1
1	1
1	2
1	3
1	4
2	2
3	3
4	4
54	54
55	54
55	55
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
# Test sorted index access
FLUSH STATUS;
SELECT * FROM t1 ORDER BY a DESC, b DESC;
a	b
55	55
55	54
54	54
4	4
3	3
2	2
1	4
1	3
1	2
1	1
0	1
0	0
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 ORDER BY a, b;
a	b
0	0
0	1
1	1
1	2
1	3
1	4
2	2
3	3
4	4
54	54
55	54
55	55
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 ORDER BY a, b DESC;
a	b
0	1
0	0
1	4
1	3
1	2
1	1
2	2
3	3
4	4
54	54
55	55
55	54
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 ORDER BY a DESC, b;
a	b
55	54
55	55
54	54
4	4
3	3
2	2
1	1
1	2
1	3
1	4
0	0
0	1
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
EXPLAIN FORMAT=JSON SELECT * FROM t1 ORDER BY a DESC, b DESC;
EXPLAIN
{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "X"
    },
    "ordering_operation": {
      "using_filesort": false,
      "table": {
        "table_name": "t1",
        "partitions": [
          "p0",
          "p1",
          "p2"
        ],
        "access_type": "index",
        "key": "PRIMARY",
        "used_key_parts": [
          "a",
          "b"
        ],
        "key_length": "84",
        "rows_examined_per_scan": "X",
        "rows_produced_per_join": "X",
        "filtered": "X",
        "using_index": true,
        "cost_info": {
          "read_cost": "X",
          "eval_cost": "X",
          "prefix_cost": "X",
          "data_read_per_join": "X"
        },
        "used_columns": [
          "a",
          "b"
        ]
      }
    }
  }
}
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` order by `test`.`t1`.`a` desc,`test`.`t1`.`b` desc
EXPLAIN FORMAT=JSON SELECT * FROM t1 ORDER BY a, b;
EXPLAIN
{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "X"
    },
    "ordering_operation": {
      "using_filesort": false,
      "table": {
        "table_name": "t1",
        "partitions": [
          "p0",
          "p1",
          "p2"
        ],
        "access_type": "index",
        "key": "ab_asc",
        "used_key_parts": [
          "a",
          "b"
        ],
        "key_length": "84",
        "rows_examined_per_scan": "X",
        "rows_produced_per_join": "X",
        "filtered": "X",
        "using_index": true,
        "cost_info": {
          "read_cost": "X",
          "eval_cost": "X",
          "prefix_cost": "X",
          "data_read_per_join": "X"
        },
        "used_columns": [
          "a",
          "b"
        ]
      }
    }
  }
}
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` order by `test`.`t1`.`a`,`test`.`t1`.`b`
EXPLAIN FORMAT=JSON SELECT * FROM t1 ORDER BY a, b DESC;
EXPLAIN
{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "X"
    },
    "ordering_operation": {
      "using_filesort": false,
      "table": {
        "table_name": "t1",
        "partitions": [
          "p0",
          "p1",
          "p2"
        ],
        "access_type": "index",
        "key": "a_asc_b_desc",
        "used_key_parts": [
          "a",
          "b"
        ],
        "key_length": "84",
        "rows_examined_per_scan": "X",
        "rows_produced_per_join": "X",
        "filtered": "X",
        "using_index": true,
        "cost_info": {
          "read_cost": "X",
          "eval_cost": "X",
          "prefix_cost": "X",
          "data_read_per_join": "X"
        },
        "used_columns": [
          "a",
          "b"
        ]
      }
    }
  }
}
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` order by `test`.`t1`.`a`,`test`.`t1`.`b` desc
EXPLAIN FORMAT=JSON SELECT * FROM t1 ORDER BY a DESC, b;
EXPLAIN
{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "X"
    },
    "ordering_operation": {
      "using_filesort": false,
      "table": {
        "table_name": "t1",
        "partitions": [
          "p0",
          "p1",
          "p2"
        ],
        "access_type": "index",
        "key": "a_desc_b_asc",
        "used_key_parts": [
          "a",
          "b"
        ],
        "key_length": "84",
        "rows_examined_per_scan": "X",
        "rows_produced_per_join": "X",
        "filtered": "X",
        "using_index": true,
        "cost_info": {
          "read_cost": "X",
          "eval_cost": "X",
          "prefix_cost": "X",
          "data_read_per_join": "X"
        },
        "used_columns": [
          "a",
          "b"
        ]
      }
    }
  }
}
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` order by `test`.`t1`.`a` desc,`test`.`t1`.`b`
# Test index access in different sort order
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`PRIMARY`) ORDER BY a, b;
a	b
0	0
0	1
1	1
1	2
1	3
1	4
2	2
3	3
4	4
54	54
55	54
55	55
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_key	3
Handler_read_last	3
Handler_read_prev	12
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`PRIMARY`) ORDER BY a DESC, b;
a	b
55	54
55	55
54	54
4	4
3	3
2	2
1	1
1	2
1	3
1	4
0	0
0	1
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`PRIMARY`) ORDER BY a, b DESC;
a	b
0	1
0	0
1	4
1	3
1	2
1	1
2	2
3	3
4	4
54	54
55	55
55	54
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
FLUSH STATUS;
SELECT * FROM t1 FORCE INDEX (`PRIMARY`) ORDER BY a DESC, b;
a	b
55	54
55	55
54	54
4	4
3	3
2	2
1	1
1	2
1	3
1	4
0	0
0	1
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	1
Handler_external_lock	2
Handler_read_first	3
Handler_read_key	3
Handler_read_next	12
EXPLAIN FORMAT=JSON SELECT * FROM t1 FORCE INDEX (`PRIMARY`) ORDER BY a, b;
EXPLAIN
{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "X"
    },
    "ordering_operation": {
      "using_filesort": false,
      "table": {
        "table_name": "t1",
        "partitions": [
          "p0",
          "p1",
          "p2"
        ],
        "access_type": "index",
        "key": "PRIMARY",
        "used_key_parts": [
          "a",
          "b"
        ],
        "key_length": "84",
        "rows_examined_per_scan": "X",
        "rows_produced_per_join": "X",
        "filtered": "X",
        "backward_index_scan": true,
        "using_index": true,
        "cost_info": {
          "read_cost": "X",
          "eval_cost": "X",
          "prefix_cost": "X",
          "data_read_per_join": "X"
        },
        "used_columns": [
          "a",
          "b"
        ]
      }
    }
  }
}
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` FORCE INDEX (PRIMARY) order by `test`.`t1`.`a`,`test`.`t1`.`b`
EXPLAIN FORMAT=JSON SELECT * FROM t1 FORCE INDEX (`PRIMARY`) ORDER BY a DESC, b;
EXPLAIN
{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "X"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "X"
      },
      "table": {
        "table_name": "t1",
        "partitions": [
          "p0",
          "p1",
          "p2"
        ],
        "access_type": "index",
        "key": "PRIMARY",
        "used_key_parts": [
          "a",
          "b"
        ],
        "key_length": "84",
        "rows_examined_per_scan": "X",
        "rows_produced_per_join": "X",
        "filtered": "X",
        "using_index": true,
        "cost_info": {
          "read_cost": "X",
          "eval_cost": "X",
          "prefix_cost": "X",
          "data_read_per_join": "X"
        },
        "used_columns": [
          "a",
          "b"
        ]
      }
    }
  }
}
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` FORCE INDEX (PRIMARY) order by `test`.`t1`.`a` desc,`test`.`t1`.`b`
EXPLAIN FORMAT=JSON SELECT * FROM t1 FORCE INDEX (`PRIMARY`) ORDER BY a, b DESC;
EXPLAIN
{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "X"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "X"
      },
      "table": {
        "table_name": "t1",
        "partitions": [
          "p0",
          "p1",
          "p2"
        ],
        "access_type": "index",
        "key": "PRIMARY",
        "used_key_parts": [
          "a",
          "b"
        ],
        "key_length": "84",
        "rows_examined_per_scan": "X",
        "rows_produced_per_join": "X",
        "filtered": "X",
        "using_index": true,
        "cost_info": {
          "read_cost": "X",
          "eval_cost": "X",
          "prefix_cost": "X",
          "data_read_per_join": "X"
        },
        "used_columns": [
          "a",
          "b"
        ]
      }
    }
  }
}
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` FORCE INDEX (PRIMARY) order by `test`.`t1`.`a`,`test`.`t1`.`b` desc
# Test HANDLER statements.
FLUSH STATUS;
HANDLER t1 OPEN;
HANDLER t1 READ `PRIMARY` FIRST;
a	b
55	55
HANDLER t1 READ `PRIMARY` NEXT;
a	b
55	54
HANDLER t1 READ `PRIMARY` NEXT;
a	b
54	54
HANDLER t1 READ `PRIMARY` NEXT;
a	b
4	4
HANDLER t1 READ `PRIMARY` NEXT;
a	b
3	3
HANDLER t1 READ `PRIMARY` LAST;
a	b
0	0
HANDLER t1 READ `PRIMARY` PREV;
a	b
0	1
HANDLER t1 READ `PRIMARY` PREV;
a	b
1	1
HANDLER t1 READ `PRIMARY` PREV;
a	b
1	2
HANDLER t1 READ ab_asc FIRST;
a	b
0	0
HANDLER t1 READ ab_asc NEXT;
a	b
0	1
HANDLER t1 READ ab_asc NEXT;
a	b
1	1
HANDLER t1 READ ab_asc NEXT;
a	b
1	2
HANDLER t1 READ ab_asc NEXT;
a	b
1	3
HANDLER t1 READ ab_asc LAST;
a	b
55	55
HANDLER t1 READ ab_asc PREV;
a	b
55	54
HANDLER t1 READ ab_asc PREV;
a	b
54	54
HANDLER t1 READ ab_asc PREV;
a	b
4	4
HANDLER t1 CLOSE;
SHOW STATUS WHERE Variable_name LIKE 'Handler%' AND Value >0;
Variable_name	Value
Handler_commit	18
Handler_external_lock	36
Handler_read_first	6
Handler_read_key	12
Handler_read_last	6
Handler_read_next	8
Handler_read_prev	6
DROP TABLE t1;