path: root/mysql-test/t/partition.test

#--disable_abort_on_error
#
# Simple test for the partition storage engine
# taken from the select test.
#
# Last update:
# 2007-10-22 mleich  - Move ARCHIVE, BLACKHOLE and CSV related sub tests to
#                      new tests. Reason: All these might be not available.
#                    - Minor cleanup
#
--source include/have_partition.inc

--disable_warnings
drop table if exists t1, t2;
--enable_warnings

--echo #
--echo # Bug#59297: Can't find record in 'tablename' on update inner join
--echo #

CREATE TABLE t1 (
a char(2) NOT NULL,
b char(2) NOT NULL,
c int(10) unsigned NOT NULL,
d varchar(255) DEFAULT NULL,
e varchar(1000) DEFAULT NULL,
PRIMARY KEY (a, b, c),
KEY (a),
KEY (a, b)
)
/*!50100 PARTITION BY KEY (a)
PARTITIONS 20 */;

INSERT INTO t1 (a, b, c, d, e) VALUES
('07', '03', 343, '1', '07_03_343'),
('01', '04', 343, '2', '01_04_343'),
('01', '06', 343, '3', '01_06_343'),
('01', '07', 343, '4', '01_07_343'),
('01', '08', 343, '5', '01_08_343'),
('01', '09', 343, '6', '01_09_343'),
('03', '03', 343, '7', '03_03_343'),
('03', '06', 343, '8', '03_06_343'),
('03', '07', 343, '9', '03_07_343'),
('04', '03', 343, '10', '04_03_343'),
('04', '06', 343, '11', '04_06_343'),
('05', '03', 343, '12', '05_03_343'),
('11', '03', 343, '13', '11_03_343'),
('11', '04', 343, '14', '11_04_343')
;

UPDATE t1 AS A,
(SELECT '03' AS a, '06' AS b, 343 AS c, 'last' AS d) AS B
SET A.e = B.d  
WHERE A.a = '03'  
AND A.b = '06' 
AND A.c = 343;

DROP TABLE t1;

--echo #
--echo # Bug#57113: ha_partition::extra(ha_extra_function):
--echo #            Assertion `m_extra_cache' failed
CREATE TABLE t1
(id INT NOT NULL PRIMARY KEY,
 name VARCHAR(16) NOT NULL,
 year YEAR,
 INDEX name (name(8))
)
PARTITION BY HASH(id) PARTITIONS 2;

INSERT INTO t1 VALUES ( 1, 'FooBar', '1924' );

CREATE TABLE t2 (id INT);

INSERT INTO t2 VALUES (1),(2);

UPDATE t1, t2 SET t1.year = '1955' WHERE t1.name = 'FooBar';

DROP TABLE t1, t2;


--echo #
--echo # Bug#55458: Partitioned MyISAM table gets crashed by multi-table update 
--echo #
CREATE TABLE t1 (
  `id` int NOT NULL,
  `user_num` int DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1,8601);
INSERT INTO t1 VALUES (2,8601);
INSERT INTO t1 VALUES (3,8601);
INSERT INTO t1 VALUES (4,8601);
CREATE TABLE t2 (
  `id` int(11) NOT NULL,
  `user_num` int DEFAULT NULL,
  `name` varchar(64) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM CHARSET=latin1
PARTITION BY HASH (id)
PARTITIONS 2;
INSERT INTO t2 VALUES (1,8601,'John');
INSERT INTO t2 VALUES (2,8601,'JS');
INSERT INTO t2 VALUES (3,8601,'John S');

UPDATE t1, t2 SET t2.name = 'John Smith' WHERE t1.user_num = t2.user_num;

DROP TABLE t1, t2;
#
# Bug#48276: can't add column if subpartition exists
CREATE TABLE t1 (a INT, b INT)
PARTITION BY LIST (a)
SUBPARTITION BY HASH (b)
(PARTITION p1 VALUES IN (1));
ALTER TABLE t1 ADD COLUMN c INT;
DROP TABLE t1;

#
# Bug#46639: 1030 (HY000): Got error 124 from storage engine on
# INSERT ... SELECT ...
CREATE TABLE t1 (
  a int NOT NULL,
  b int NOT NULL);

CREATE TABLE t2 (
  a int NOT NULL,
  b int NOT NULL,
  INDEX(b)
)
PARTITION BY HASH(a) PARTITIONS 2;

INSERT INTO t1 VALUES (399, 22);
INSERT INTO t2 VALUES (1, 22), (1, 42);

INSERT INTO t2 SELECT 1, 399 FROM t2, t1
WHERE t1.b = t2.b;

DROP TABLE t1, t2;

#
# Bug#46478: timestamp field incorrectly defaulted when partition is reorganized
#
CREATE TABLE t1 (
  a timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  b varchar(10),
  PRIMARY KEY (a)
)
PARTITION BY RANGE (UNIX_TIMESTAMP(a)) (
 PARTITION p1 VALUES LESS THAN (1199134800),
 PARTITION pmax VALUES LESS THAN MAXVALUE
);

INSERT INTO t1 VALUES ('2007-07-30 17:35:48', 'p1');
INSERT INTO t1 VALUES ('2009-07-14 17:35:55', 'pmax');
INSERT INTO t1 VALUES ('2009-09-21 17:31:42', 'pmax');

SELECT * FROM t1;
ALTER TABLE t1 REORGANIZE PARTITION pmax INTO (
 PARTITION p3 VALUES LESS THAN (1247688000),
 PARTITION pmax VALUES LESS THAN MAXVALUE);
SELECT * FROM t1;
SHOW CREATE TABLE t1;
DROP TABLE t1;

#
# Bug#45904: Error when CHARSET=utf8 and subpartitioning
#
create table t1 (a int NOT NULL, b varchar(5) NOT NULL)
default charset=utf8
partition by list (a)
subpartition by key (b)
(partition p0 values in (1),
 partition p1 values in (2));
drop table t1;

#
# Bug#44059: rec_per_key on empty partition gives weird optimiser results
#
create table t1 (a int, b int, key(a))
partition by list (a)
( partition p0 values in (1),
  partition p1 values in (2));
insert into t1 values (1,1),(2,1),(2,2),(2,3);
show indexes from t1;
analyze table t1;
show indexes from t1;
drop table t1;

#
# Bug#36001: Partitions: spelling and using some error messages
#
--error ER_FOREIGN_KEY_ON_PARTITIONED
CREATE TABLE t1 (a INT, FOREIGN KEY (a) REFERENCES t0 (a))
ENGINE=MyISAM
PARTITION BY HASH (a);

#
# Bug#40954: Crash if range search and order by.
#
CREATE TABLE t1 (
  pk INT NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (pk)
)
/*!50100 PARTITION BY HASH (pk)
PARTITIONS 2 */;
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1 WHERE pk < 0 ORDER BY pk;
DROP TABLE t1;

#
# Bug#40494: Crash MYSQL server crashes on range access with partitioning
#            and order by
#
CREATE TABLE t1 (a INT NOT NULL, KEY(a))
PARTITION BY RANGE(a)
(PARTITION p1 VALUES LESS THAN (200), PARTITION pmax VALUES LESS THAN MAXVALUE);
INSERT INTO t1 VALUES (2), (40), (40), (70), (60), (90), (199);
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95 ORDER BY a ASC;
--sorted_result
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95;
INSERT INTO t1 VALUES (200), (250), (210);
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220 ORDER BY a ASC;
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220 ORDER BY a ASC;
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95 ORDER BY a DESC;
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220 ORDER BY a DESC;
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220 ORDER BY a DESC;
--sorted_result
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220;
--sorted_result
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220;
--sorted_result
SELECT a FROM t1 WHERE a BETWEEN 60 AND 95;
--sorted_result
SELECT a FROM t1 WHERE a BETWEEN 60 AND 220;
--sorted_result
SELECT a FROM t1 WHERE a BETWEEN 200 AND 220;
DROP TABLE t1;

#
# Bug35931: Index search may return duplicates
#
CREATE TABLE t1 (
  a INT NOT NULL,   
  b MEDIUMINT NOT NULL,   
  c INT NOT NULL,
  KEY b (b)
) ENGINE=MyISAM
PARTITION BY LIST (a) (
  PARTITION p0 VALUES IN (1) 
);
INSERT INTO t1 VALUES (1,1,0), (1,1,1), (1,1,2), (1,1,53), (1,1,4), (1,1,5),
(1,1,6), (1,1,7), (1,1,8), (1,1,9), (1,1,10), (1,1,11), (1,1,12), (1,1,13),
(1,1,14), (1,1,15), (1,1,16), (1,1,67), (1,1,18), (1,1,19), (1,1,20), (1,1,21),
(1,1,22), (1,1,23), (1,1,24), (1,1,75), (1,1,26), (1,1,27), (1,1,128),
(1,1,79), (1,1,30), (1,1,31), (1,1,32), (1,1,33), (1,1,34), (1,1,85), (1,1,36),
(1,1,37), (1,1,38), (1,1,39), (1,1,40), (1,1,241), (1,1,42), (1,1,43),
(1,1,44), (1,1,45), (1,1,46), (1,1,147), (1,1,48), (1,1,49), (1,2,0), (1,2,1),
(1,2,2), (1,2,3), (1,2,4), (1,2,5), (1,2,6), (1,2,7), (1,2,8), (1,2,9),
(1,2,10), (1,2,11), (1,2,12), (1,2,13), (1,2,14), (1,2,15), (1,2,16), (1,2,17),
(1,2,18), (1,2,19), (1,2,20), (1,2,21), (1,2,22), (1,2,23), (1,2,24), (1,2,25),
(1,2,26), (1,2,27), (1,2,28), (1,2,29), (1,2,30), (1,2,31), (1,2,32), (1,2,33),
(1,2,34), (1,2,35), (1,2,36), (1,2,37), (1,2,38), (1,2,39), (1,2,40), (1,2,41),
(1,2,42), (1,2,43), (1,2,44), (1,2,45), (1,2,46), (1,2,47), (1,2,48), (1,2,49),
(1,6,0), (1,6,1), (1,6,2), (1,6,3), (1,6,4), (1,6,5), (1,6,6), (1,6,7),
(1,6,8), (1,6,9), (1,6,10), (1,6,11), (1,6,12), (1,6,13), (1,6,14), (1,6,15),
(1,6,16), (1,6,17), (1,6,18), (1,6,19), (1,6,20), (1,6,21), (1,6,22), (1,6,23),
(1,6,24), (1,6,25), (1,6,26), (1,6,27), (1,6,28), (1,6,29), (1,6,30), (1,6,31),
(1,6,32), (1,6,33), (1,6,34), (1,6,35), (1,6,36), (1,6,37), (1,6,38), (1,6,39),
(1,6,40), (1,6,41), (1,6,42), (1,6,43), (1,6,44), (1,6,45), (1,6,46), (1,6,47),
(1,6,48), (1,6,49), (1,7,0), (1,7,1), (1,7,2), (1,7,3), (1,7,4), (1,7,5),
(1,7,6), (1,7,7), (1,7,8), (1,7,9), (1,7,10), (1,7,11), (1,7,12), (1,7,13),
(1,7,14), (1,7,15), (1,7,16), (1,7,17), (1,7,18), (1,7,19), (1,7,20), (1,7,21),
(1,7,22), (1,7,23), (1,7,24), (1,7,25), (1,7,26), (1,7,27), (1,7,28), (1,7,29),
  (1,7,30), (1,7,31), (1,7,32), (1,7,33), (1,7,34), (1,7,35), (1,7,38), (1,7,39),
(1,7,90), (1,7,41), (1,7,43), (1,7,48), (1,7,49), (1,9,0), (1,9,1), (1,9,2),
(1,9,3), (1,9,4), (1,9,5), (1,9,6), (1,9,7), (1,9,8), (1,9,9), (1,9,10),
(1,9,11), (1,9,12), (1,9,13), (1,9,14), (1,9,15), (1,9,16), (1,9,17), (1,9,18),
(1,9,19), (1,9,20), (1,9,21), (1,9,22), (1,9,23), (1,9,24), (1,9,25), (1,9,26),
(1,9,29), (1,9,32), (1,9,35), (1,9,38), (1,10,0), (1,10,1), (1,10,2), (1,10,3),
(1,10,4), (1,10,5), (1,10,6), (1,10,7), (1,10,8), (1,10,9), (1,10,10),
(1,10,11), (1,10,13), (1,10,14), (1,10,15), (1,10,16), (1,10,17), (1,10,18),
(1,10,22), (1,10,24), (1,10,25), (1,10,26), (1,10,28), (1,10,131), (1,10,33),
(1,10,84), (1,10,35), (1,10,40), (1,10,42), (1,10,49), (1,11,0), (1,11,1),
(1,11,2), (1,11,3), (1,11,4), (1,11,5), (1,11,6), (1,11,7), (1,11,8), (1,11,9),
(1,11,10), (1,11,11), (1,11,12), (1,11,13), (1,11,14), (1,11,15), (1,11,16),
(1,11,17), (1,11,18), (1,11,19), (1,11,20), (1,11,21), (1,11,22), (1,11,23),
(1,11,24), (1,11,25), (1,11,26), (1,11,27), (1,11,28), (1,11,30), (1,11,31),
(1,11,32), (1,11,33), (1,11,34), (1,11,35), (1,11,37), (1,11,39), (1,11,40),
(1,11,42), (1,11,44), (1,11,45), (1,11,47), (1,11,48), (1,14,104), (1,14,58),
(1,14,12), (1,14,13), (1,14,15), (1,14,16), (1,14,17), (1,14,34), (1,15,0),
(1,15,1), (1,15,2), (1,15,3), (1,15,4), (1,15,5), (1,15,7), (1,15,9),
(1,15,15), (1,15,27), (1,15,49), (1,16,0), (1,16,1), (1,16,3), (1,17,4),
(1,19,1);
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
ALTER TABLE t1 DROP INDEX b;
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
ALTER TABLE t1 ENGINE = Memory;
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
ALTER TABLE t1 ADD INDEX b USING HASH (b);
SELECT COUNT(*) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
SELECT SUM(c) FROM t1 WHERE b NOT IN ( 1,2,6,7,9,10,11 );
DROP TABLE t1;

# Bug#37327 Range scan on partitioned table returns duplicate rows
# (Duplicate of Bug#35931)
CREATE TABLE `t1` (
  `c1` int(11) DEFAULT NULL,
  KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;

CREATE TABLE `t2` (
  `c1` int(11) DEFAULT NULL,
  KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (c1) (PARTITION a VALUES LESS THAN (100) ENGINE = MyISAM, PARTITION b VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */;

INSERT INTO `t1` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
INSERT INTO `t2` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);

EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);

FLUSH STATUS;
SELECT c1 FROM t1 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
SHOW STATUS LIKE 'Handler_read_%';

EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);

FLUSH STATUS;
SELECT c1 FROM t2 WHERE (c1 > 10 AND c1 < 13) OR (c1 > 17 AND c1 < 20);
SHOW STATUS LIKE 'Handler_read_%';
DROP TABLE t1,t2;

# Bug#37329 Range scan on partitioned tables shows higher Handler_read_next
# (marked as duplicate of Bug#35931)
CREATE TABLE `t1` (
  `c1` int(11) DEFAULT NULL,
  KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;

CREATE TABLE `t2` (
  `c1` int(11) DEFAULT NULL,
  KEY `c1` (`c1`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (c1)
(PARTITION a VALUES LESS THAN (100) ENGINE = MyISAM,
 PARTITION b VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */;

INSERT INTO `t1` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
INSERT INTO `t2` VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);

EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 2 AND c1 < 5);

FLUSH STATUS;
SELECT c1 FROM t1 WHERE (c1 > 2 AND c1 < 5);
SHOW STATUS LIKE 'Handler_read_%';

EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 2 AND c1 < 5);

FLUSH STATUS;
SELECT c1 FROM t2 WHERE (c1 > 2 AND c1 < 5);
SHOW STATUS LIKE 'Handler_read_%';

EXPLAIN PARTITIONS SELECT c1 FROM t1 WHERE (c1 > 12 AND c1 < 15);

FLUSH STATUS;
SELECT c1 FROM t1 WHERE (c1 > 12 AND c1 < 15);
SHOW STATUS LIKE 'Handler_read_%';

EXPLAIN PARTITIONS SELECT c1 FROM t2 WHERE (c1 > 12 AND c1 < 15);

FLUSH STATUS;
SELECT c1 FROM t2 WHERE (c1 > 12 AND c1 < 15);
SHOW STATUS LIKE 'Handler_read_%';
DROP TABLE t1,t2;

--error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
create table t1 (a int) partition by list ((a/3)*10 div 1)
(partition p0 values in (0), partition p1 values in (1));

#
# Bug #30695: An apostrophe ' in the comment of the ADD PARTITION causes the Server to crash.
#
# To verify the fix for crashing (on unix-type OS)
# uncomment the exec and error rows!

CREATE TABLE t1 (
    d DATE NOT NULL
)
PARTITION BY RANGE( YEAR(d) ) (
    PARTITION p0 VALUES LESS THAN (1960),
    PARTITION p1 VALUES LESS THAN (1970),
    PARTITION p2 VALUES LESS THAN (1980),
    PARTITION p3 VALUES LESS THAN (1990)
);

ALTER TABLE t1 ADD PARTITION (
PARTITION `p5` VALUES LESS THAN (2010)
COMMENT 'APSTART \' APEND'
);
#--exec sed 's/APSTART \\/APSTART  /' var/master-data/test/t1.frm > tmpt1.frm && mv tmpt1.frm var/master-data/test/t1.frm
#--error ER_PARSE_ERROR
SELECT * FROM t1 LIMIT 1;

DROP TABLE t1;

#
# Bug 30878: crashing when alter an auto_increment non partitioned
#            table to partitioned

create table t1 (id int auto_increment, s1 int, primary key (id));

insert into t1 values (null,1);
insert into t1 values (null,6);

-- sorted_result
select * from t1;

alter table t1 partition by range (id) (
  partition p0 values less than (3),
  partition p1 values less than maxvalue
);

drop table t1;

#
# Bug 15890: Strange number of partitions accepted
#
-- error ER_PARSE_ERROR
create table t1 (a int)
partition by key(a)
partitions 0.2+e1;
-- error ER_PARSE_ERROR
create table t1 (a int)
partition by key(a)
partitions -1;
-- error ER_PARSE_ERROR
create table t1 (a int)
partition by key(a)
partitions 1.5;
-- error ER_PARSE_ERROR
create table t1 (a int)
partition by key(a)
partitions 1e+300;

#
# Bug 19309 Partitions: Crash if double procedural alter
#
create table t1 (a int)
partition by list (a)
(partition p0 values in (1));

create procedure pz()
alter table t1 engine = myisam;

call pz();
call pz();
drop procedure pz;
drop table t1;

#
# BUG 16002: Handle unsigned integer functions properly
#
--error ER_PARSE_ERROR
create table t1 (a bigint)
partition by range (a)
(partition p0 values less than (0xFFFFFFFFFFFFFFFF),
 partition p1 values less than (10));
--error ER_PARSE_ERROR
create table t1 (a bigint)
partition by list (a)
(partition p0 values in (0xFFFFFFFFFFFFFFFF),
 partition p1 values in (10));

create table t1 (a bigint unsigned)
partition by range (a)
(partition p0 values less than (100),
 partition p1 values less than MAXVALUE);
insert into t1 values (1);
drop table t1;

create table t1 (a bigint unsigned)
partition by hash (a);
insert into t1 values (0xFFFFFFFFFFFFFFFD);
insert into t1 values (0xFFFFFFFFFFFFFFFE);
select * from t1 where (a + 1) < 10;
select * from t1 where (a + 1) > 10;
drop table t1;

#
# Added test case
#
create table t1 (a int)
partition by key(a)
(partition p0 engine = MEMORY);
drop table t1;

#
# BUG 19067 ALTER TABLE .. ADD PARTITION for subpartitioned table crashes
#
create table t1 (a int)
partition by range (a)
subpartition by key (a)
(partition p0 values less than (1));
alter table t1 add partition (partition p1 values less than (2));
show create table t1;
alter table t1 reorganize partition p1 into (partition p1 values less than (3));
show create table t1;
drop table t1;

#
# Partition by key no partition defined => OK
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a);

#
# Bug 13323: Select count(*) on empty table returns 2
#
select count(*) from t1;

#
# Test SHOW CREATE TABLE
#
show create table t1;

drop table t1;
#
# Partition by key no partition, list of fields
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a, b);

drop table t1;
#
# Partition by key specified 3 partitions and defined 3 => ok
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1, partition x2, partition x3);

drop table t1;
#
# Partition by key specifying nodegroup
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1 nodegroup 0,
 partition x2 nodegroup 1,
 partition x3 nodegroup 2);

drop table t1;
#
# Partition by key specifying engine
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1 engine myisam,
 partition x2 engine myisam,
 partition x3 engine myisam);

drop table t1;
#
# Partition by key specifying tablespace
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by key (a)
partitions 3
(partition x1 tablespace ts1,
 partition x2 tablespace ts2,
 partition x3 tablespace ts3);

CREATE TABLE t2 LIKE t1;

drop table t2;
drop table t1;

#
# Partition by key list, basic
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by list (a)
partitions 3
(partition x1 values in (1,2,9,4) tablespace ts1,
 partition x2 values in (3, 11, 5, 7) tablespace ts2,
 partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);

drop table t1;
#
# Partition by key list, list function
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by list (b*a)
partitions 3
(partition x1 values in (1,2,9,4) tablespace ts1,
 partition x2 values in (3, 11, 5, 7) tablespace ts2,
 partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);

drop table t1;

#
# Partition by key list, list function, no spec of #partitions
#
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by list (b*a)
(partition x1 values in (1) tablespace ts1,
 partition x2 values in (3, 11, 5, 7) tablespace ts2,
 partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);

drop table t1;

#
# Bug 13154: Insert crashes due to bad calculation of partition id
#            for PARTITION BY KEY and SUBPARTITION BY KEY
#
CREATE TABLE t1 (
a int not null)
partition by key(a);

LOCK TABLES t1 WRITE;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
insert into t1 values (4);
UNLOCK TABLES;

drop table t1;

#
# Bug #13644 DROP PARTITION NULL's DATE column
#
CREATE TABLE t1 (a int, name VARCHAR(50), purchased DATE)
PARTITION BY RANGE (a)
(PARTITION p0 VALUES LESS THAN (3),
 PARTITION p1 VALUES LESS THAN (7),
 PARTITION p2 VALUES LESS THAN (9),
 PARTITION p3 VALUES LESS THAN (11));
INSERT INTO t1 VALUES
(1, 'desk organiser', '2003-10-15'),
(2, 'CD player', '1993-11-05'),
(3, 'TV set', '1996-03-10'),
(4, 'bookcase', '1982-01-10'),
(5, 'exercise bike', '2004-05-09'),
(6, 'sofa', '1987-06-05'),
(7, 'popcorn maker', '2001-11-22'),
(8, 'acquarium', '1992-08-04'),
(9, 'study desk', '1984-09-16'),
(10, 'lava lamp', '1998-12-25');

SELECT * from t1 ORDER BY a;
ALTER TABLE t1 DROP PARTITION p0;
SELECT * from t1 ORDER BY a;

drop table t1;

#
# Bug #13442; Truncate Partitioned table doesn't work
#

CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION p0 VALUES IN (1,2,3), PARTITION p1 VALUES IN (4,5,6));

insert into t1 values (1),(2),(3),(4),(5),(6);
select * from t1;
truncate t1;
select * from t1;
truncate t1;
select * from t1;
drop table t1;

#
# Bug #13445 Partition by KEY method crashes server
#
CREATE TABLE t1 (a int, b int, primary key(a,b))
PARTITION BY KEY(b,a) PARTITIONS 4;

insert into t1 values (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6);
select * from t1 where a = 4;

drop table t1;

#
# Bug#22351 - handler::index_next_same() call to key_cmp_if_same()
#             uses the wrong buffer
#
CREATE TABLE t1 (c1 INT, c2 INT, PRIMARY KEY USING BTREE (c1,c2)) ENGINE=MEMORY
  PARTITION BY KEY(c2,c1) PARTITIONS 4;
INSERT INTO t1 VALUES (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6);
SELECT * FROM t1 WHERE c1 = 4;
DROP TABLE t1;

#
# Bug #13438: Engine clause in PARTITION clause causes crash
#
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
PARTITIONS 1
(PARTITION x1 VALUES IN (1) ENGINE=MEMORY);

show create table t1;
drop table t1;

#
# Bug #13440: REPLACE causes crash in partitioned table
#
CREATE TABLE t1 (a int, unique(a))
PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (10), PARTITION x2 VALUES IN (20));

--error ER_NO_PARTITION_FOR_GIVEN_VALUE 
REPLACE t1 SET a = 4;
drop table t1;

#
# Bug #14365: Crash if value too small in list partitioned table
#
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (2), PARTITION x2 VALUES IN (3));

insert into t1 values (2), (3);
--error ER_NO_PARTITION_FOR_GIVEN_VALUE
insert into t1 values (4);
--error ER_NO_PARTITION_FOR_GIVEN_VALUE
insert into t1 values (1);
drop table t1;

#
# Bug 14327: PARTITIONS clause gets lost in SHOW CREATE TABLE
#
CREATE TABLE t1 (a int)
PARTITION BY HASH(a)
PARTITIONS 5;

SHOW CREATE TABLE t1;

drop table t1;

#
# Bug #13446: Update to value outside of list values doesn't give error
#
CREATE TABLE t1 (a int)
PARTITION BY RANGE (a)
(PARTITION x1 VALUES LESS THAN (2));

insert into t1 values (1);
--error ER_NO_PARTITION_FOR_GIVEN_VALUE
update t1 set a = 5;

drop table t1;

#
# Bug #13441: Analyze on partitioned table didn't work
#
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (10), PARTITION x2 VALUES IN (20));

analyze table t1;

drop table t1;

#
# BUG 15221 (Cannot reorganize with the same name)
#
create table t1
(a int)
partition by range (a)
  ( partition p0 values less than(10),
    partition p1 values less than (20),
    partition p2 values less than (25));

alter table t1 reorganize partition p2 into (partition p2 values less than (30));
show create table t1;
drop table t1;

CREATE TABLE t1 (a int, b int)
PARTITION BY RANGE (a)
(PARTITION x0 VALUES LESS THAN (2),
 PARTITION x1 VALUES LESS THAN (4),
 PARTITION x2 VALUES LESS THAN (6),
 PARTITION x3 VALUES LESS THAN (8),
 PARTITION x4 VALUES LESS THAN (10),
 PARTITION x5 VALUES LESS THAN (12),
 PARTITION x6 VALUES LESS THAN (14),
 PARTITION x7 VALUES LESS THAN (16),
 PARTITION x8 VALUES LESS THAN (18),
 PARTITION x9 VALUES LESS THAN (20));

ALTER TABLE t1 REORGANIZE PARTITION x0,x1,x2 INTO
(PARTITION x1 VALUES LESS THAN (6));
show create table t1;
drop table t1;

# Testcase for BUG#15819
create table t1 (a int not null, b int not null) partition by LIST (a+b) (
  partition p0 values in (12),
  partition p1 values in (14)
);
--error ER_NO_PARTITION_FOR_GIVEN_VALUE
insert into t1 values (10,1);

drop table t1;

#
# Bug#16901 Partitions: crash, SELECT, column of part.
#           function=first column of primary key
#
create table t1 (f1 integer,f2 integer, f3 varchar(10), primary key(f1,f2))
partition by range(f1) subpartition by hash(f2) subpartitions 2
(partition p1 values less than (0),
 partition p2 values less than (2),
 partition p3 values less than (2147483647));

insert into t1 values(10,10,'10');
insert into t1 values(2,2,'2');
select * from t1 where f1 = 2;
drop table t1;

#
# Bug #16907 Partitions: crash, SELECT goes into last partition, UNIQUE INDEX
#
create table t1 (f1 integer,f2 integer, unique index(f1))
partition by range(f1 div 2)
subpartition by hash(f1) subpartitions 2
(partition partb values less than (2),
partition parte values less than (4),
partition partf values less than (10000));
insert into t1 values(10,1);
select * from t1 where f1 = 10;
drop table t1;

#
# Bug #16775: Wrong engine type stored for subpartition
#
set session storage_engine= 'memory';
create table t1 (f_int1 int(11) default null) engine = memory
  partition by range (f_int1) subpartition by hash (f_int1)
  (partition part1 values less than (1000)
   (subpartition subpart11 engine = memory));
drop table t1;
set session storage_engine='myisam';

#
# Bug #16782: Crash using REPLACE on table with primary key
#
create table t1 (f_int1 integer, f_int2 integer, primary key (f_int1))
  partition by hash(f_int1) partitions 2;
insert into t1 values (1,1),(2,2);
replace into t1 values (1,1),(2,2);
drop table t1;

#
# Bug #17169: Partitions: out of memory if add partition and unique
#
create table t1 (s1 int, unique (s1)) partition by list (s1) (partition x1 VALUES in (10), partition x2 values in (20));
alter table t1 add partition (partition x3 values in (30));
drop table t1;

#
# Bug #17754 Change to explicit removal of partitioning scheme
# Also added a number of tests to ensure that proper engine is
# choosen in all kinds of scenarios.
#

create table t1 (a int)
partition by key(a)
partitions 2
(partition p0 engine=myisam, partition p1 engine=myisam);
show create table t1;

alter table t1;
show create table t1;

alter table t1 engine=myisam;
show create table t1;

alter table t1 engine=heap;
show create table t1;

alter table t1 remove partitioning;
show create table t1;

drop table t1;

create table t1 (a int)
engine=myisam
partition by key(a)
partitions 2
(partition p0 engine=myisam, partition p1 engine=myisam);
show create table t1;

alter table t1 add column b int remove partitioning;
show create table t1;

alter table t1
engine=myisam
partition by key(a)
(partition p0 engine=myisam, partition p1);
show create table t1;

alter table t1
engine=heap
partition by key(a)
(partition p0, partition p1 engine=heap);
show create table t1;

alter table t1 engine=myisam, add column c int remove partitioning;
show create table t1;

alter table t1
engine=heap
partition by key (a)
(partition p0, partition p1);
show create table t1;

alter table t1
partition by key (a)
(partition p0, partition p1);
show create table t1;

alter table t1
engine=heap
partition by key (a)
(partition p0, partition p1);
show create table t1;

# Since alter, it already have ENGINE=HEAP from before on table level
# -> OK
alter table t1
partition by key(a)
(partition p0, partition p1 engine=heap);

# Since alter, it already have ENGINE=HEAP from before on table level
# -> OK
alter table t1
partition by key(a)
(partition p0 engine=heap, partition p1);

--error ER_MIX_HANDLER_ERROR
alter table t1
engine=heap
partition by key (a)
(partition p0 engine=heap, partition p1 engine=myisam);

--error ER_MIX_HANDLER_ERROR
alter table t1
partition by key (a)
(partition p0 engine=heap, partition p1 engine=myisam);

drop table t1;

# Bug #17432: Partition functions containing NULL values should return
#             LONGLONG_MIN
#
CREATE TABLE t1 (
 f_int1 INTEGER, f_int2 INTEGER,
 f_char1 CHAR(10), f_char2 CHAR(10), f_charbig VARCHAR(1000)
 )
 PARTITION BY RANGE(f_int1 DIV 2)
 SUBPARTITION BY HASH(f_int1)
 SUBPARTITIONS 2
 (PARTITION parta VALUES LESS THAN (0),
  PARTITION partb VALUES LESS THAN (5),
  PARTITION parte VALUES LESS THAN (10),
  PARTITION partf VALUES LESS THAN (2147483647));
INSERT INTO t1 SET f_int1 = NULL , f_int2 = -20, f_char1 = CAST(-20 AS CHAR),
                   f_char2 = CAST(-20 AS CHAR), f_charbig = '#NULL#';
SELECT * FROM t1 WHERE f_int1 IS NULL;
SELECT * FROM t1;
drop table t1;

#
# Bug 17430: Crash when SELECT * from t1 where field IS NULL
#

CREATE TABLE t1 (
 f_int1 INTEGER, f_int2 INTEGER,
 f_char1 CHAR(10), f_char2 CHAR(10), f_charbig VARCHAR(1000)  )
 PARTITION BY LIST(MOD(f_int1,2))
 SUBPARTITION BY KEY(f_int1)
 (PARTITION part1 VALUES IN (-1) (SUBPARTITION sp1, SUBPARTITION sp2),
  PARTITION part2 VALUES IN (0) (SUBPARTITION sp3, SUBPARTITION sp5),
  PARTITION part3 VALUES IN (1) (SUBPARTITION sp4, SUBPARTITION sp6));

INSERT INTO t1 SET f_int1 = 2, f_int2 = 2, f_char1 = '2', f_char2 = '2', f_charbig = '===2===';
INSERT INTO t1 SET f_int1 = 2, f_int2 = 2, f_char1 = '2', f_char2 = '2', f_charbig = '===2===';

SELECT * FROM t1 WHERE f_int1  IS NULL;
drop table t1;

#
# Bug#14363 Partitions: failure if create in stored procedure
#
delimiter //;

create procedure p ()
begin
create table t1 (s1 mediumint,s2 mediumint)
partition by list (s2)
(partition p1 values in (0),
 partition p2 values in (1));
end//

call p()//
drop procedure p//
drop table t1;

create procedure p ()
begin
create table t1 (a int not null,b int not null,c int not null,primary key (a,b))
partition by range (a)
subpartition by hash (a+b)
(partition x1 values less than (1)
 (subpartition x11,
  subpartition x12),
 partition x2 values less than (5)
 (subpartition x21,
  subpartition x22));
end//

call p()//
drop procedure p//
drop table t1//
delimiter ;//

#
# Bug #15447  Partitions: NULL is treated as zero
#

# NULL for RANGE partition
create table t1 (a int,b int,c int,key(a,b))
partition by range (a)
partitions 3
(partition x1 values less than (0) tablespace ts1,
 partition x2 values less than (10) tablespace ts2,
 partition x3 values less than maxvalue tablespace ts3);

insert into t1 values (NULL, 1, 1);
insert into t1 values (0, 1, 1);
insert into t1 values (12, 1, 1);

select partition_name, partition_description, table_rows
from information_schema.partitions where table_schema ='test';
drop table t1;

# NULL for LIST partition
--error ER_MULTIPLE_DEF_CONST_IN_LIST_PART_ERROR
create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11,12),
 partition x234 values in (1 ,NULL, NULL));

--error ER_MULTIPLE_DEF_CONST_IN_LIST_PART_ERROR
create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11, NULL),
 partition x234 values in (1 ,NULL));

create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11, 12),
 partition x234 values in (5, 1));
--error ER_NO_PARTITION_FOR_GIVEN_VALUE
insert into t1 values (NULL,1,1);
drop table t1;

create table t1 (a int,b int, c int)
partition by list(a)
partitions 2
(partition x123 values in (11, 12),
 partition x234 values in (NULL, 1));

insert into t1 values (11,1,6);
insert into t1 values (NULL,1,1);

select partition_name, partition_description, table_rows
from information_schema.partitions where table_schema ='test';
drop table t1;

#
# BUG 17947 Crash with REBUILD PARTITION
#
create table t1 (a int)
partition by list (a)
(partition p0 values in (1));

--error ER_PARSE_ERROR
alter table t1 rebuild partition;

drop table t1;

#
# BUG 15253 Insert that should fail doesn't
#
create table t1 (a int)
partition by list (a)
(partition p0 values in (5));

--error ER_NO_PARTITION_FOR_GIVEN_VALUE
insert into t1 values (0);

drop table t1;

#
# BUG #16370 Subpartitions names not shown in SHOW CREATE TABLE output
#
create table t1 (a int)
partition by range (a) subpartition by hash (a)
(partition p0 values less than (100));

show create table t1;
alter table t1 add partition (partition p1 values less than (200)
(subpartition subpart21));

show create table t1;

drop table t1;

create table t1 (a int)
partition by key (a);

show create table t1;
alter table t1 add partition (partition p1);
show create table t1;

drop table t1;

#
# BUG 15407 Crash with subpartition
#
--error ER_PARSE_ERROR
create table t1 (a int, b int)
partition by range (a)
subpartition by hash(a)
(partition p0 values less than (0) (subpartition sp0),
 partition p1 values less than (1));

--error ER_PARSE_ERROR
create table t1 (a int, b int)
partition by range (a)
subpartition by hash(a)
(partition p0 values less than (0),
 partition p1 values less than (1) (subpartition sp0));

#
# Bug 46354 Crash with subpartition
#
--error ER_PARSE_ERROR
create table t1 (a int, b int)
partition by list (a)
subpartition by hash(a)
(partition p0 values in (0),
 partition p1 values in (1) (subpartition sp0));


#
# BUG 15961 No error when subpartition defined without subpartition by clause
#
--error ER_SUBPARTITION_ERROR
create table t1 (a int)
partition by hash (a)
(partition p0 (subpartition sp0));

#
# Bug 17127 
#
create table t1 (a int)
partition by range (a)
(partition p0 values less than (1));

--error ER_PARTITION_WRONG_VALUES_ERROR
alter table t1 add partition (partition p1 values in (2));
--error ER_PARTITION_REQUIRES_VALUES_ERROR
alter table t1 add partition (partition p1);

drop table t1;

create table t1 (a int)
partition by list (a)
(partition p0 values in (1));

--error ER_PARTITION_WRONG_VALUES_ERROR
alter table t1 add partition (partition p1 values less than (2));
--error ER_PARTITION_REQUIRES_VALUES_ERROR
alter table t1 add partition (partition p1);

drop table t1;

create table t1 (a int)
partition by hash (a)
(partition p0);

--error ER_PARTITION_WRONG_VALUES_ERROR
alter table t1 add partition (partition p1 values less than (2));
--error ER_PARTITION_WRONG_VALUES_ERROR
alter table t1 add partition (partition p1 values in (2));

drop table t1;

#
# BUG 17947 Crash with REBUILD PARTITION
#
create table t1 (a int)
partition by list (a)
(partition p0 values in (1));

--error ER_PARSE_ERROR
alter table t1 rebuild partition;

drop table t1;

#
# Bug #14526: Partitions: indexed searches fail
#
create table t2 (s1 int not null auto_increment, primary key (s1)) partition by list (s1) (partition p1 values in (1),partition p2 values in (2),partition p3 values in (3),partition p4 values in (4));
insert into t2 values (null),(null),(null);
select * from t2;
select * from t2 where s1 < 2;
update t2 set s1 = s1 + 1 order by s1 desc;
select * from t2 where s1 < 3;
select * from t2 where s1 = 2;
drop table t2;

#
# Bug #17497: Partitions: crash if add partition on temporary table
#
--error ER_PARTITION_NO_TEMPORARY
create temporary table t1 (a int) partition by hash(a);

#
# Bug #17097: Partitions: failing ADD PRIMARY KEY leads to temporary rotten
# metadata,crash
#
create table t1 (a int, b int) partition by list (a)
  (partition p1 values in (1), partition p2 values in (2));
--error ER_UNIQUE_KEY_NEED_ALL_FIELDS_IN_PF
alter table t1 add primary key (b);
show create table t1;
drop table t1;

############################################
#
# Author: Mikael Ronstrom
# Date:   2006-03-01
# Purpose
# Bug 17772: Crash at ALTER TABLE with rename
#            and add column + comment on
#            partitioned table
#
############################################
create table t1 (a int unsigned not null auto_increment primary key)
partition by key(a);
alter table t1 rename t2, add c char(10), comment "no comment";
show create table t2;

drop table t2;

#
# Bug#15336 Partitions: crash if create table as select
#
create table t1 (f1 int) partition by hash (f1) as select 1;
drop table t1;

#
# bug #14350 Partitions: crash if prepared statement
#
prepare stmt1 from 'create table t1 (s1 int) partition by hash (s1)';
execute stmt1;
--error ER_TABLE_EXISTS_ERROR
execute stmt1;
drop table t1;

#
# bug 17290 SP with delete, create and rollback to save point causes MySQLD core
#
delimiter |;
eval CREATE PROCEDURE test.p1(IN i INT)
BEGIN
  DECLARE CONTINUE HANDLER FOR sqlexception BEGIN END;
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1 (num INT,PRIMARY KEY(num));
  START TRANSACTION;
    INSERT INTO t1 VALUES(i);
    savepoint t1_save;
    INSERT INTO t1 VALUES (14);
    ROLLBACK to savepoint t1_save;
    COMMIT;
END|
delimiter ;|
CALL test.p1(12);
CALL test.p1(13);
drop table t1;
drop procedure test.p1;

#
# Bug 13520: Problem with delimiters in COMMENT DATA DIRECTORY ..
#
CREATE TABLE t1 (a int not null)
partition by key(a)
(partition p0 COMMENT='first partition');
drop table t1;

#
# Bug 13433: Problem with delimited identifiers
#
CREATE TABLE t1 (`a b` int not null)
partition by key(`a b`);
drop table t1;

CREATE TABLE t1 (`a b` int not null)
partition by hash(`a b`);
drop table t1;

#
# Bug#18053 Partitions: crash if null
# Bug#18070 Partitions: wrong result on WHERE ... IS NULL
#
create table t1 (f1 integer) partition by range(f1)
(partition p1 values less than (0), partition p2 values less than (10));
insert into t1 set f1 = null;
select * from t1 where f1 is null;
explain partitions select * from t1 where f1 is null;
drop table t1;

create table t1 (f1 integer) partition by list(f1)
(partition p1 values in (1), partition p2 values in (null));
insert into t1 set f1 = null;
insert into t1 set f1 = 1;
select * from t1 where f1 is null or f1 = 1;
drop table t1;

create table t1 (f1 smallint)
partition by list (f1) (partition p0 values in (null));
insert into t1 values (null);
select * from t1 where f1 is null;
select * from t1 where f1 < 1;
select * from t1 where f1 <= NULL;
select * from t1 where f1 < NULL;
select * from t1 where f1 >= NULL;
select * from t1 where f1 > NULL;
select * from t1 where f1 > 1;
drop table t1;

create table t1 (f1 smallint)
partition by range (f1) (partition p0 values less than (0));
insert into t1 values (null);
select * from t1 where f1 is null;
drop table t1;

create table t1 (f1 integer) partition by list(f1)
(
 partition p1 values in (1),
 partition p2 values in (NULL),
 partition p3 values in (2),
 partition p4 values in (3),
 partition p5 values in (4)
);

insert into t1 values (1),(2),(3),(4),(null);
select * from t1 where f1 < 3;
explain partitions select * from t1 where f1 < 3;
select * from t1 where f1 is null;
explain partitions select * from t1 where f1 is null;
drop table t1;

create table t1 (f1 int) partition by list(f1 div 2)
(
 partition p1 values in (1),
 partition p2 values in (NULL),
 partition p3 values in (2),
 partition p4 values in (3),
 partition p5 values in (4)
);

insert into t1 values (2),(4),(6),(8),(null);
select * from t1 where f1 < 3;
explain partitions select * from t1 where f1 < 3;
select * from t1 where f1 is null;
explain partitions select * from t1 where f1 is null;
drop table t1;

create table t1 (a int) partition by LIST(a) (
  partition pn values in (NULL),
  partition p0 values in (0),
  partition p1 values in (1),
  partition p2 values in (2)
);
insert into t1 values (NULL),(0),(1),(2);
select * from t1 where a is null or a < 2;
explain partitions select * from t1 where a is null or a < 2;
select * from t1 where a is null or a < 0 or a > 1;
explain partitions select * from t1 where a is null or a < 0 or a > 1;
drop table t1;

#
#Bug# 17631 SHOW TABLE STATUS reports wrong engine
#
CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY, name VARCHAR(20)) 
ENGINE=MyISAM DEFAULT CHARSET=latin1
PARTITION BY RANGE(id)
(PARTITION p0  VALUES LESS THAN (10) ENGINE = MyISAM,
PARTITION p1 VALUES LESS THAN (20) ENGINE = MyISAM,
PARTITION p2 VALUES LESS THAN (30) ENGINE = MyISAM);
--replace_column 6 0 7 0 8 0 9 0 12 NULL 13 NULL 14 NULL
SHOW TABLE STATUS;
DROP TABLE t1;

#
#BUG 16002 Erroneus handling of unsigned partition functions
#
--error ER_PARTITION_CONST_DOMAIN_ERROR
create table t1 (a bigint unsigned)
partition by list (a)
(partition p0 values in (0-1));

create table t1 (a bigint unsigned)
partition by range (a)
(partition p0 values less than (10));

--error ER_NO_PARTITION_FOR_GIVEN_VALUE
insert into t1 values (0xFFFFFFFFFFFFFFFF);

drop table t1;

#
#BUG 18750 Problems with partition names
#
create table t1 (a int)
partition by list (a)
(partition `s1 s2` values in (0));
drop table t1;

create table t1 (a int)
partition by list (a)
(partition `7` values in (0));
drop table t1;

--error ER_WRONG_PARTITION_NAME
create table t1 (a int)
partition by list (a)
(partition `s1 s2 ` values in (0));

--error ER_WRONG_PARTITION_NAME
create table t1 (a int)
partition by list (a)
subpartition by hash (a)
(partition p1 values in (0) (subpartition `p1 p2 `));

#
# BUG 18752 SHOW CREATE TABLE doesn't show NULL value in SHOW CREATE TABLE
#
CREATE TABLE t1 (a int)
PARTITION BY LIST (a)
(PARTITION p0 VALUES IN (NULL));
SHOW CREATE TABLE t1;
DROP TABLE t1;

--error ER_PARSE_ERROR
CREATE TABLE t1 (a int)
PARTITION BY RANGE(a)
(PARTITION p0 VALUES LESS THAN (NULL));

#
# Bug#18753 Partitions: auto_increment fails
#
create table t1 (s1 int auto_increment primary key)
partition by list (s1)
(partition p1 values in (1),
 partition p2 values in (2),
 partition p3 values in (3));
insert into t1 values (null);
insert into t1 values (null);
insert into t1 values (null);
select auto_increment from information_schema.tables where table_name='t1';
select * from t1;
drop table t1;

#
# BUG 19140 Partitions: Create index for partitioned table crashes
#
create table t1 (a int) engine=memory
partition by key(a);
insert into t1 values (1);
create index inx1 on t1(a);
drop table t1;

#
# Bug 19695 Partitions: SHOW CREATE TABLE shows table options even when it
#                       shouldn't
#
create table t1 (a int)
PARTITION BY KEY (a)
(PARTITION p0);
set session sql_mode='no_table_options';
show create table t1;
set session sql_mode='';
drop table t1;

#
# BUG 19304 Partitions: MERGE handler not allowed in partitioned tables
#
--error ER_PARTITION_MERGE_ERROR
create table t1 (a int)
partition by key (a)
(partition p0 engine = MERGE);

#
# BUG 19062 Partition clause ignored if CREATE TABLE ... AS SELECT ...;
#
create table t1 (a varchar(1))
partition by key (a)
as select 'a';

show create table t1;
drop table t1;

#
# BUG 19501 Partitions: SHOW TABLE STATUS shows wrong Data_free
#
CREATE TABLE t1 (a int) ENGINE = MYISAM PARTITION BY KEY(a);
INSERT into t1 values (1), (2);
--replace_column 9 0 12 NULL 13 NULL 14 NULL
SHOW TABLE STATUS;
DELETE from t1 where a = 1;
--replace_column 9 0 12 NULL 13 NULL 14 NULL
SHOW TABLE STATUS;
ALTER TABLE t1 OPTIMIZE PARTITION p0;
--replace_column 12 NULL 13 NULL 14 NULL
SHOW TABLE STATUS;
DROP TABLE t1;

#
# BUG 19502: ENABLE/DISABLE Keys don't work for partitioned tables
#
CREATE TABLE t1 (a int, index(a)) PARTITION BY KEY(a);
ALTER TABLE t1 DISABLE KEYS;
ALTER TABLE t1 ENABLE KEYS;
DROP TABLE t1;

#
# Bug 17455 Partitions: Wrong message and error when using Repair/Optimize
#                       table on partitioned table
# (added check/analyze for gcov of Bug#20129)
create table t1 (a int)
engine=MEMORY
partition by key (a);

REPAIR TABLE t1;
OPTIMIZE TABLE t1;
CHECK TABLE t1;
ANALYZE TABLE t1;

drop table t1;

#
#BUG 17138 Problem with stored procedure and analyze partition
#
--disable_warnings
drop procedure if exists mysqltest_1;
--enable_warnings

create table t1 (a int)
partition by list (a)
(partition p0 values in (0));

insert into t1 values (0);
delimiter //;

create procedure mysqltest_1 ()
begin
  begin
    declare continue handler for sqlexception begin end;
    update ignore t1 set a = 1 where a = 0;
  end;
  prepare stmt1 from 'alter table t1';
  execute stmt1;
end//

call mysqltest_1()//
delimiter ;//
drop table t1;
drop procedure mysqltest_1;

#
# Bug 20583 Partitions: Crash using index_last
#
create table t1 (a int, index(a))
partition by hash(a);
insert into t1 values (1),(2);
select * from t1 ORDER BY a DESC;
drop table t1;

#
# Bug 21388: Bigint fails to find record
#
create table t1 (a bigint unsigned not null, primary key(a))
engine = myisam
partition by key (a)
partitions 10;

show create table t1;
insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE),
(18446744073709551613), (18446744073709551612);
select * from t1;
select * from t1 where a = 18446744073709551615;
delete from t1 where a = 18446744073709551615;
select * from t1;
drop table t1;

#
# Bug 24502 reorganize partition closes connection
#
CREATE TABLE t1 (
  num int(11) NOT NULL, cs int(11) NOT NULL)
PARTITION BY RANGE (num) SUBPARTITION BY HASH (
cs) SUBPARTITIONS 2 (PARTITION p_X VALUES LESS THAN MAXVALUE);

ALTER TABLE t1 
REORGANIZE PARTITION p_X INTO ( 
    PARTITION p_100 VALUES LESS THAN (100), 
    PARTITION p_X VALUES LESS THAN MAXVALUE 
    );

drop table t1;

#
# Bug #24186 (nested query across partitions returns fewer records)
#

CREATE TABLE t2 (
  taken datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  id int(11) NOT NULL DEFAULT '0',
  PRIMARY KEY (id,taken),
  KEY taken (taken)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;

INSERT INTO t2 VALUES 
('2006-09-27 21:50:01',16421),
('2006-10-02 21:50:01',16421),
('2006-09-27 21:50:01',19092),
('2006-09-28 21:50:01',19092),
('2006-09-29 21:50:01',19092),
('2006-09-30 21:50:01',19092),
('2006-10-01 21:50:01',19092),
('2006-10-02 21:50:01',19092),
('2006-09-27 21:50:01',22589),
('2006-09-29 21:50:01',22589);

CREATE TABLE t1 (
  id int(8) NOT NULL,
  PRIMARY KEY (id)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;

INSERT INTO t1 VALUES 
(16421),
(19092),
(22589);

CREATE TABLE t4 (
  taken datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  id int(11) NOT NULL DEFAULT '0',
  PRIMARY KEY (id,taken),
  KEY taken (taken)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 
PARTITION BY RANGE (to_days(taken)) 
(
PARTITION p01 VALUES LESS THAN (732920) , 
PARTITION p02 VALUES LESS THAN (732950) , 
PARTITION p03 VALUES LESS THAN MAXVALUE ) ;

INSERT INTO t4 select * from t2;

set @f_date='2006-09-28';
set @t_date='2006-10-02';

SELECT t1.id AS MyISAM_part
FROM t1
WHERE t1.id IN (
    SELECT distinct id
    FROM t4
    WHERE taken BETWEEN @f_date AND date_add(@t_date, INTERVAL 1 DAY))
ORDER BY t1.id
;

drop table t1, t2, t4;

CREATE TABLE t1 (
  taken datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  id int(11) NOT NULL DEFAULT '0',
  status varchar(20) NOT NULL DEFAULT '',
  PRIMARY KEY (id,taken)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
PARTITION BY RANGE (to_days(taken))
(
PARTITION p15 VALUES LESS THAN (732950) ,
PARTITION p16 VALUES LESS THAN MAXVALUE ) ;


INSERT INTO t1 VALUES
('2006-09-27 21:50:01',22589,'Open'),
('2006-09-29 21:50:01',22589,'Verified');

DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (
  id int(8) NOT NULL,
  severity tinyint(4) NOT NULL DEFAULT '0',
  priority tinyint(4) NOT NULL DEFAULT '0',
  status varchar(20) DEFAULT NULL,
  alien tinyint(4) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;

INSERT INTO t2 VALUES
(22589,1,1,'Need Feedback',0);

SELECT t2.id FROM t2 WHERE t2.id IN (SELECT id FROM t1 WHERE status = 'Verified');

drop table t1, t2;

#
# Bug #27123 partition + on duplicate key update + varchar = Can't find record in <table> 
#
create table t1 (c1 varchar(255),c2 tinyint,primary key(c1))
   partition by key (c1) partitions 10 ;
insert into t1 values ('aaa','1') on duplicate key update c2 = c2 + 1;
insert into t1 values ('aaa','1') on duplicate key update c2 = c2 + 1;
select * from t1;
drop table t1;

#
# Bug #28005 Partitions: can't use -9223372036854775808 
#

create table t1 (s1 bigint) partition by list (s1) (partition p1 values in (-9223372036854775808));
drop table t1;

#
# Bug #28806: Running SHOW TABLE STATUS during high INSERT load crashes server
#
create table t1(a int auto_increment, b int, primary key (b, a)) 
  partition by hash(b) partitions 2;
insert into t1 values (null, 1);
--replace_column 9 0 12 NULL 13 NULL 14 NULL
show table status;
drop table t1;

create table t1(a int auto_increment primary key)
  partition by key(a) partitions 2;
insert into t1 values (null), (null), (null);
--replace_column 9 0 12 NULL 13 NULL 14 NULL
show table status;
drop table t1;
# Bug #28488: Incorrect information in file: './test/t1_test#.frm'
#

CREATE TABLE t1(a INT NOT NULL, b TINYBLOB, KEY(a))
  PARTITION BY RANGE(a) ( PARTITION p0 VALUES LESS THAN (32));
INSERT INTO t1 VALUES (1, REPEAT('a', 10));
INSERT INTO t1 SELECT a + 1, b FROM t1;
INSERT INTO t1 SELECT a + 2, b FROM t1;
INSERT INTO t1 SELECT a + 4, b FROM t1;
INSERT INTO t1 SELECT a + 8, b FROM t1;

ALTER TABLE t1 ADD PARTITION (PARTITION p1 VALUES LESS THAN (64));
ALTER TABLE t1 DROP PARTITION p1;

DROP TABLE t1;

#
# Bug #30484: Partitions: crash with self-referencing trigger
#

create table t (s1 int) engine=myisam partition by key (s1);
create trigger t_ad after delete on t for each row insert into t values (old.s1);
insert into t values (1);
drop table t;

#
# Bug #27084 partitioning by list seems failing when using case 
# BUG #18198: Case no longer supported, test case removed
#

create table t2 (b int);
--error ER_BAD_FIELD_ERROR
create table t1 (b int)
PARTITION BY RANGE (t2.b) (
  PARTITION p1 VALUES LESS THAN (10),
  PARTITION p2 VALUES LESS THAN (20)
) select * from t2;
create table t1 (a int)
PARTITION BY RANGE (b) (
  PARTITION p1 VALUES LESS THAN (10),
  PARTITION p2 VALUES LESS THAN (20)
) select * from t2;
show create table t1;
drop table t1, t2;

#
# Bug #32067 Partitions: crash with timestamp column
#  this bug occurs randomly on some UPDATE statement
#  with the '1032: Can't find record in 't1'' error

create table t1
 (s1 timestamp on update current_timestamp, s2 int)
 partition by key(s1) partitions 3;

insert into t1 values (null,null);
--disable_query_log
begin;
let $cnt= 1000;
while ($cnt)
{
  update t1 set s2 = 1;
  update t1 set s2 = 2;
  dec $cnt;
}
commit;
--enable_query_log

drop table t1;

#
# BUG#32772: partition crash 1: enum column
#
# Note that month(int_col) is disallowed after bug#54483.
create table t1 (
  c0 int,
  c1 bigint,
  c2 set('sweet'),
  key (c2,c1,c0), 
  key(c0)
) engine=myisam partition by hash (c0) partitions 5;

--disable_warnings
insert ignore into t1 set c0 = -6502262, c1 = 3992917, c2 = 35019;
insert ignore into t1 set c0 = 241221, c1 = -6862346, c2 = 56644;
--enable_warnings
# This must not fail assert:
select c1 from t1 group by (select c0 from t1 limit 1);
drop table t1;

# Bug #30495: optimize table t1,t2,t3 extended errors
# (added more maintenace commands for Bug#20129
CREATE TABLE t1(a int)
PARTITION BY RANGE (a) (
  PARTITION p1 VALUES LESS THAN (10),
  PARTITION p2 VALUES LESS THAN (20)
);
--error ER_PARSE_ERROR
ALTER TABLE t1 OPTIMIZE PARTITION p1 EXTENDED;
--error ER_PARSE_ERROR
ALTER TABLE t1 ANALYZE PARTITION p1 EXTENDED;
ALTER TABLE t1 ANALYZE PARTITION p1;
ALTER TABLE t1 CHECK PARTITION p1;
ALTER TABLE t1 REPAIR PARTITION p1;
ALTER TABLE t1 OPTIMIZE PARTITION p1;
DROP TABLE t1;

#
# Bug #29258: Partitions: search fails for maximum unsigned bigint
#
CREATE TABLE t1 (s1 BIGINT UNSIGNED)
  PARTITION BY RANGE (s1) (
  PARTITION p0 VALUES LESS THAN (0), 
  PARTITION p1 VALUES LESS THAN (1), 
  PARTITION p2 VALUES LESS THAN (18446744073709551615)
);
INSERT INTO t1 VALUES (0), (18446744073709551614);
--error ER_NO_PARTITION_FOR_GIVEN_VALUE
INSERT INTO t1 VALUES (18446744073709551615);
DROP TABLE t1;

CREATE TABLE t1 (s1 BIGINT UNSIGNED)
 PARTITION BY RANGE (s1) (
  PARTITION p0 VALUES LESS THAN (0),
  PARTITION p1 VALUES LESS THAN (1),
  PARTITION p2 VALUES LESS THAN (18446744073709551614),
  PARTITION p3 VALUES LESS THAN MAXVALUE
);
INSERT INTO t1 VALUES (-1), (0), (18446744073709551613), 
  (18446744073709551614), (18446744073709551615);
SELECT * FROM t1;
SELECT * FROM t1 WHERE s1 = 0;
SELECT * FROM t1 WHERE s1 = 18446744073709551614;
SELECT * FROM t1 WHERE s1 = 18446744073709551615;
DROP TABLE t1;

CREATE TABLE t1 (s1 BIGINT UNSIGNED)  
 PARTITION BY RANGE (s1) (
  PARTITION p0 VALUES LESS THAN (0),
  PARTITION p1 VALUES LESS THAN (1),
  PARTITION p2 VALUES LESS THAN (18446744073709551615),
  PARTITION p3 VALUES LESS THAN MAXVALUE
);
DROP TABLE t1;

#
# Bug #31890 Partitions: ORDER BY DESC in InnoDB not working
#

CREATE TABLE t1
(int_column INT, char_column CHAR(5),
PRIMARY KEY(char_column,int_column))
PARTITION BY KEY(char_column,int_column)
PARTITIONS 101;
INSERT INTO t1 (int_column, char_column) VALUES
(      39868 ,'zZZRW'),       
(     545592 ,'zZzSD'),       
(       4936 ,'zzzsT'),       
(       9274 ,'ZzZSX'),       
(     970185 ,'ZZzTN'),       
(     786036 ,'zZzTO'),       
(      37240 ,'zZzTv'),       
(     313801 ,'zzzUM'),       
(     782427 ,'ZZZva'),       
(     907955 ,'zZZvP'),       
(     453491 ,'zzZWV'),       
(     756594 ,'ZZZXU'),       
(     718061 ,'ZZzZH');       
SELECT * FROM t1 ORDER BY char_column DESC;
DROP TABLE t1;

#
# Bug #32247 Test reports wrong value of "AUTO_INCREMENT" (on a partitioned InnoDB table)
#

CREATE TABLE t1(id MEDIUMINT NOT NULL AUTO_INCREMENT,
                user CHAR(25), PRIMARY KEY(id))
                   PARTITION BY RANGE(id)
                   SUBPARTITION BY hash(id) subpartitions 2
                   (PARTITION pa1 values less than (10),
                    PARTITION pa2 values less than (20),
                    PARTITION pa11 values less than MAXVALUE);
--disable_query_log
let $n= 15;
begin;
while ($n)
{
  insert into t1 (user) values ('mysql');
  dec $n;
}
commit;
--enable_query_log
show create table t1;
drop table t1;

#
# Bug #38272 timestamps fields incorrectly defaulted on update accross partitions.
#

CREATE TABLE  t1 (
  `ID` bigint(20) NOT NULL AUTO_INCREMENT,
  `createdDate` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `number` int,
  PRIMARY KEY (`ID`, number)
)
PARTITION BY RANGE (number) (
    PARTITION p0 VALUES LESS THAN (6),
    PARTITION p1 VALUES LESS THAN (11)
);

create table t2 (
  `ID` bigint(20),
  `createdDate` TIMESTAMP,
  `number` int
);

INSERT INTO t1 SET number=1;
insert into t2 select * from t1;
SELECT SLEEP(1);
UPDATE t1 SET number=6;
select count(*) from t1, t2 where t1.createdDate = t2.createdDate;

drop table t1, t2;

#
# Bug #38083 Error-causing row inserted into partitioned table despite error
#
SET @orig_sql_mode = @@SQL_MODE;
SET SQL_MODE='STRICT_ALL_TABLES,ERROR_FOR_DIVISION_BY_ZERO';
CREATE TABLE t1 (c1 INT)
       PARTITION BY LIST(1 DIV c1) (
       PARTITION p0 VALUES IN (NULL),
       PARTITION p1 VALUES IN (1)
     );
 
-- error ER_DIVISION_BY_ZERO
INSERT INTO t1 VALUES (0);
SELECT * FROM t1;
TRUNCATE t1;
-- error ER_DIVISION_BY_ZERO
INSERT INTO t1 VALUES (NULL), (0), (1), (2);
SELECT * FROM t1;
DROP TABLE t1;
SET SQL_MODE= @orig_sql_mode;



#
# Bug #38005 Partitions: error with insert select
#

create table t1 (s1 int) partition by hash(s1) partitions 2;
create index i on t1 (s1);
insert into t1 values (1);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
select * from t1;
drop table t1;

create table t1 (s1 int) partition by range(s1) 
        (partition pa1 values less than (10),
         partition pa2 values less than MAXVALUE);
create index i on t1 (s1);
insert into t1 values (1);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
select * from t1;
drop table t1;

create table t1 (s1 int) partition by range(s1) 
        (partition pa1 values less than (10),
         partition pa2 values less than MAXVALUE);
create index i on t1 (s1);
insert into t1 values (20);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
select * from t1;
drop table t1;

create table t1 (s1 int) partition by range(s1) 
        (partition pa1 values less than (10),
         partition pa2 values less than MAXVALUE);
create index i on t1 (s1);
insert into t1 values (1), (2), (3), (4), (5), (6), (7), (8);
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1;
insert into t1 select s1 from t1 order by s1 desc;
insert into t1 select s1 from t1 where s1=3;
select count(*) from t1;
drop table t1;


--echo #
--echo # Bug#42944: partition not pruned correctly
--echo #
CREATE TABLE t1 (a int) PARTITION BY RANGE (a)
  (PARTITION p0 VALUES LESS THAN (100),
   PARTITION p1 VALUES LESS THAN (200),
   PARTITION p2 VALUES LESS THAN (300),
   PARTITION p3 VALUES LESS THAN MAXVALUE);
INSERT INTO t1 VALUES (10), (100), (200), (300), (400);
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a>=200;
DROP TABLE t1;

#
# Bug#44821: select distinct on partitioned table returns wrong results
#
CREATE TABLE t1 ( a INT, b INT, c INT, KEY bc(b, c) )
PARTITION BY KEY (a, b) PARTITIONS 3
;

INSERT INTO t1 VALUES
(17, 1, -8),
(3,  1, -7),
(23, 1, -6),
(22, 1, -5),
(11, 1, -4),
(21, 1, -3),
(19, 1, -2),
(30, 1, -1),

(20, 1, 1),
(16, 1, 2),
(18, 1, 3),
(9,  1, 4),
(15, 1, 5),
(28, 1, 6),
(29, 1, 7),
(25, 1, 8),
(10, 1, 9),
(13, 1, 10),
(27, 1, 11),
(24, 1, 12),
(12, 1, 13),
(26, 1, 14),
(14, 1, 15)
;

SELECT b, c FROM t1 WHERE b = 1 GROUP BY b, c;

EXPLAIN
SELECT b, c FROM t1 WHERE b = 1 GROUP BY b, c;

DROP TABLE t1;

--echo #
--echo # Bug #45807: crash accessing partitioned table and sql_mode 
--echo #   contains ONLY_FULL_GROUP_BY
--echo # Bug#46923: select count(*) from partitioned table fails with
--echo # ONLY_FULL_GROUP_BY
--echo #

SET SESSION SQL_MODE='ONLY_FULL_GROUP_BY';
CREATE TABLE t1(id INT,KEY(id)) ENGINE=MYISAM 
  PARTITION BY HASH(id) PARTITIONS 2;
SELECT COUNT(*) FROM t1;
DROP TABLE t1;
SET SESSION SQL_MODE=DEFAULT;


--echo #
--echo # BUG#45816 - assertion failure with index containing double 
--echo #             column on partitioned table
--echo #

CREATE TABLE t1 (
  a INT DEFAULT NULL,
  b DOUBLE DEFAULT NULL,
  c INT DEFAULT NULL,
  KEY idx2(b,a)
) PARTITION BY HASH(c) PARTITIONS 3;

INSERT INTO t1 VALUES (6,8,9);
INSERT INTO t1 VALUES (6,8,10);

SELECT  1 FROM t1 JOIN t1 AS t2 USING (a) FOR UPDATE;

DROP TABLE t1;

--echo #
--echo # BUG#51868 - crash with myisam_use_mmap and partitioned myisam tables
--echo #
SET GLOBAL myisam_use_mmap=1;
CREATE TABLE t1(a INT) PARTITION BY HASH(a) PARTITIONS 1;
INSERT INTO t1 VALUES(0);
FLUSH TABLE t1;
TRUNCATE TABLE t1;
INSERT INTO t1 VALUES(0);
DROP TABLE t1;
SET GLOBAL myisam_use_mmap=default;

--echo End of 5.1 tests


--echo #
--echo # BUG#598247: partition.test produces valgrind errors in 5.3-based branches
--echo #
CREATE TABLE t1 (
  a INT DEFAULT NULL,
  b DOUBLE DEFAULT NULL,
  c INT DEFAULT NULL,
  KEY idx2(b,a)
) engine=myisam PARTITION BY HASH(c) PARTITIONS 3;

INSERT INTO t1 VALUES (6,8,9);
INSERT INTO t1 VALUES (6,8,10);

SELECT 1 FROM t1 JOIN t1 AS t2 USING (a);

drop table t1;