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|
drop table if exists t1;
create table t1 (a varchar(1500), b varchar(1570))
partition by list columns(a,b)
( partition p0 values in (('a','b')));
ERROR HY000: The total length of the partitioning fields is too large
create table t1 (a varchar(1023) character set utf8 collate utf8_spanish2_ci)
partition by range columns(a)
( partition p0 values less than ('CZ'),
partition p1 values less than ('CH'),
partition p2 values less than ('D'));
insert into t1 values ('czz'),('chi'),('ci'),('cg');
select * from t1 where a between 'cg' AND 'ci';
a
ci
cg
drop table t1;
set @@sql_mode=allow_invalid_dates;
create table t1 (a char, b char, c date)
partition by range columns (a,b,c)
( partition p0 values less than (0,0,to_days('3000-11-31')));
ERROR HY000: Partition column values of incorrect type
create table t1 (a char, b char, c date)
partition by range columns (a,b,c)
( partition p0 values less than (0,0,'3000-11-31'));
ERROR HY000: Partition column values of incorrect type
set @@sql_mode='';
create table t1 (a varchar(2) character set ucs2)
partition by list columns (a)
(partition p0 values in (0x2020),
partition p1 values in (''));
set names utf8;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(2) CHARACTER SET ucs2 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST COLUMNS(a)
(PARTITION p0 VALUES IN ('†') ENGINE = MyISAM,
PARTITION p1 VALUES IN ('') ENGINE = MyISAM) */
insert into t1 values ('');
insert into t1 values (_ucs2 0x2020);
drop table t1;
create table t1 (a int, b char(10), c varchar(25), d datetime)
partition by range columns(a,b,c,d)
subpartition by hash (to_seconds(d))
subpartitions 4
( partition p0 values less than (1, 0, MAXVALUE, '1900-01-01'),
partition p1 values less than (1, 'a', MAXVALUE, '1999-01-01'),
partition p2 values less than (1, 'a', MAXVALUE, MAXVALUE),
partition p3 values less than (1, MAXVALUE, MAXVALUE, MAXVALUE));
ERROR HY000: Partition column values of incorrect type
create table t1 (a int, b char(10), c varchar(25), d datetime)
partition by range columns(a,b,c,d)
subpartition by hash (to_seconds(d))
subpartitions 4
( partition p0 values less than (1, '0', MAXVALUE, '1900-01-01'),
partition p1 values less than (1, 'a', MAXVALUE, '1999-01-01'),
partition p2 values less than (1, 'a', MAXVALUE, MAXVALUE),
partition p3 values less than (1, MAXVALUE, MAXVALUE, MAXVALUE));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
partition_method partition_expression partition_description
RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01'
RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01'
RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01'
RANGE COLUMNS a,b,c,d 1,'0',MAXVALUE,'1900-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,'1999-01-01'
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,'a',MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE
RANGE COLUMNS a,b,c,d 1,MAXVALUE,MAXVALUE,MAXVALUE
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` char(10) DEFAULT NULL,
`c` varchar(25) DEFAULT NULL,
`d` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE COLUMNS(a,b,c,d)
SUBPARTITION BY HASH (to_seconds(d))
SUBPARTITIONS 4
(PARTITION p0 VALUES LESS THAN (1,'0',MAXVALUE,'1900-01-01') ENGINE = MyISAM,
PARTITION p1 VALUES LESS THAN (1,'a',MAXVALUE,'1999-01-01') ENGINE = MyISAM,
PARTITION p2 VALUES LESS THAN (1,'a',MAXVALUE,MAXVALUE) ENGINE = MyISAM,
PARTITION p3 VALUES LESS THAN (1,MAXVALUE,MAXVALUE,MAXVALUE) ENGINE = MyISAM) */
drop table t1;
create table t1 (a int, b int)
partition by range columns (a,b)
(partition p0 values less than (NULL, maxvalue));
ERROR HY000: Not allowed to use NULL value in VALUES LESS THAN
create table t1 (a int, b int)
partition by list columns(a,b)
( partition p0 values in ((maxvalue, 0)));
Got one of the listed errors
create table t1 (a int, b int)
partition by list columns (a,b)
( partition p0 values in ((0,0)));
alter table t1 add partition
(partition p1 values in (maxvalue, maxvalue));
Got one of the listed errors
drop table t1;
create table t1 (a int, b int)
partition by key (a,a);
ERROR HY000: Duplicate partition field name 'a'
create table t1 (a int, b int)
partition by list columns(a,a)
( partition p values in ((1,1)));
ERROR HY000: Duplicate partition field name 'a'
create table t1 (a int signed)
partition by list (a)
( partition p0 values in (1, 3, 5, 7, 9, NULL),
partition p1 values in (2, 4, 6, 8, 0));
insert into t1 values (NULL),(0),(1),(2),(2),(4),(4),(4),(8),(8);
select * from t1 where NULL <= a;
a
select * from t1 where a is null;
a
NULL
explain partitions select * from t1 where a is null;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 10 Using where
select * from t1 where a <= 1;
a
1
0
drop table t1;
create table t1 (a int signed)
partition by list columns(a)
( partition p0 values in (1, 3, 5, 7, 9, NULL),
partition p1 values in (2, 4, 6, 8, 0));
insert into t1 values (NULL),(0),(1),(2),(2),(4),(4),(4),(8),(8);
select * from t1 where a <= NULL;
a
select * from t1 where a is null;
a
NULL
explain partitions select * from t1 where a is null;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 2 Using where
select * from t1 where a <= 1;
a
1
0
drop table t1;
create table t1 (a int, b int)
partition by list columns(a,b)
( partition p0 values in ((1, NULL), (2, NULL), (NULL, NULL)),
partition p1 values in ((1,1), (2,2)),
partition p2 values in ((3, NULL), (NULL, 1)));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
partition_method partition_expression partition_description
LIST COLUMNS a,b (1,NULL),(2,NULL),(NULL,NULL)
LIST COLUMNS a,b (1,1),(2,2)
LIST COLUMNS a,b (3,NULL),(NULL,1)
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST COLUMNS(a,b)
(PARTITION p0 VALUES IN ((1,NULL),(2,NULL),(NULL,NULL)) ENGINE = MyISAM,
PARTITION p1 VALUES IN ((1,1),(2,2)) ENGINE = MyISAM,
PARTITION p2 VALUES IN ((3,NULL),(NULL,1)) ENGINE = MyISAM) */
insert into t1 values (3, NULL);
insert into t1 values (NULL, 1);
insert into t1 values (NULL, NULL);
insert into t1 values (1, NULL);
insert into t1 values (2, NULL);
insert into t1 values (1,1);
insert into t1 values (2,2);
select * from t1 where a = 1;
a b
1 NULL
1 1
select * from t1 where a = 2;
a b
2 NULL
2 2
select * from t1 where a > 8;
a b
select * from t1 where a not between 8 and 8;
a b
2 NULL
2 2
3 NULL
1 NULL
1 1
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST COLUMNS(a,b)
(PARTITION p0 VALUES IN ((1,NULL),(2,NULL),(NULL,NULL)) ENGINE = MyISAM,
PARTITION p1 VALUES IN ((1,1),(2,2)) ENGINE = MyISAM,
PARTITION p2 VALUES IN ((3,NULL),(NULL,1)) ENGINE = MyISAM) */
drop table t1;
create table t1 (a int)
partition by list (a)
( partition p0 values in (1),
partition p1 values in (1));
ERROR HY000: Multiple definition of same constant in list partitioning
create table t1 (a int)
partition by list (a)
( partition p0 values in (2, 1),
partition p1 values in (4, NULL, 3));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
partition_method partition_expression partition_description
LIST a 2,1
LIST a NULL,4,3
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (a)
(PARTITION p0 VALUES IN (2,1) ENGINE = MyISAM,
PARTITION p1 VALUES IN (NULL,4,3) ENGINE = MyISAM) */
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
insert into t1 values (4);
insert into t1 values (NULL);
insert into t1 values (5);
ERROR HY000: Table has no partition for value 5
drop table t1;
create table t1 (a int)
partition by list columns(a)
( partition p0 values in (2, 1),
partition p1 values in ((4), (NULL), (3)));
ERROR 42000: Row expressions in VALUES IN only allowed for multi-field column partitioning near '))' at line 4
create table t1 (a int)
partition by list columns(a)
( partition p0 values in (2, 1),
partition p1 values in (4, NULL, 3));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
partition_method partition_expression partition_description
LIST COLUMNS a 2,1
LIST COLUMNS a 4,NULL,3
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST COLUMNS(a)
(PARTITION p0 VALUES IN (2,1) ENGINE = MyISAM,
PARTITION p1 VALUES IN (4,NULL,3) ENGINE = MyISAM) */
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
insert into t1 values (4);
insert into t1 values (NULL);
insert into t1 values (5);
ERROR HY000: Table has no partition for value from column_list
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST COLUMNS(a)
(PARTITION p0 VALUES IN (2,1) ENGINE = MyISAM,
PARTITION p1 VALUES IN (4,NULL,3) ENGINE = MyISAM) */
drop table t1;
create table t1 (a int, b char(10), c varchar(5), d int)
partition by range columns(a,b,c)
subpartition by key (c,d)
subpartitions 3
( partition p0 values less than (1,'abc','abc'),
partition p1 values less than (2,'abc','abc'),
partition p2 values less than (3,'abc','abc'),
partition p3 values less than (4,'abc','abc'));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
partition_method partition_expression partition_description
RANGE COLUMNS a,b,c 1,'abc','abc'
RANGE COLUMNS a,b,c 1,'abc','abc'
RANGE COLUMNS a,b,c 1,'abc','abc'
RANGE COLUMNS a,b,c 2,'abc','abc'
RANGE COLUMNS a,b,c 2,'abc','abc'
RANGE COLUMNS a,b,c 2,'abc','abc'
RANGE COLUMNS a,b,c 3,'abc','abc'
RANGE COLUMNS a,b,c 3,'abc','abc'
RANGE COLUMNS a,b,c 3,'abc','abc'
RANGE COLUMNS a,b,c 4,'abc','abc'
RANGE COLUMNS a,b,c 4,'abc','abc'
RANGE COLUMNS a,b,c 4,'abc','abc'
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` char(10) DEFAULT NULL,
`c` varchar(5) DEFAULT NULL,
`d` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE COLUMNS(a,b,c)
SUBPARTITION BY KEY (c,d)
SUBPARTITIONS 3
(PARTITION p0 VALUES LESS THAN (1,'abc','abc') ENGINE = MyISAM,
PARTITION p1 VALUES LESS THAN (2,'abc','abc') ENGINE = MyISAM,
PARTITION p2 VALUES LESS THAN (3,'abc','abc') ENGINE = MyISAM,
PARTITION p3 VALUES LESS THAN (4,'abc','abc') ENGINE = MyISAM) */
insert into t1 values (1,'a','b',1),(2,'a','b',2),(3,'a','b',3);
insert into t1 values (1,'b','c',1),(2,'b','c',2),(3,'b','c',3);
insert into t1 values (1,'c','d',1),(2,'c','d',2),(3,'c','d',3);
insert into t1 values (1,'d','e',1),(2,'d','e',2),(3,'d','e',3);
select * from t1 where (a = 1 AND b < 'd' AND (c = 'b' OR (c = 'c' AND d = 1)) OR
(a = 1 AND b >= 'a' AND (c = 'c' OR (c = 'd' AND d = 2))));
a b c d
1 a b 1
1 b c 1
drop table t1;
create table t1 (a int, b varchar(2), c int)
partition by range columns (a, b, c)
(partition p0 values less than (1, 'A', 1),
partition p1 values less than (1, 'B', 1));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
partition_method partition_expression partition_description
RANGE COLUMNS a,b,c 1,'A',1
RANGE COLUMNS a,b,c 1,'B',1
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` varchar(2) DEFAULT NULL,
`c` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE COLUMNS(a,b,c)
(PARTITION p0 VALUES LESS THAN (1,'A',1) ENGINE = MyISAM,
PARTITION p1 VALUES LESS THAN (1,'B',1) ENGINE = MyISAM) */
insert into t1 values (1, 'A', 1);
explain partitions select * from t1 where a = 1 AND b <= 'A' and c = 1;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 system NULL NULL NULL NULL 1
select * from t1 where a = 1 AND b <= 'A' and c = 1;
a b c
1 A 1
drop table t1;
create table t1 (a char, b char, c char)
partition by list columns(a)
( partition p0 values in ('a'));
insert into t1 (a) values ('a');
select * from t1 where a = 'a';
a b c
a NULL NULL
drop table t1;
create table t1 (d time)
partition by range columns(d)
( partition p0 values less than ('2000-01-01'),
partition p1 values less than ('2040-01-01'));
ERROR HY000: Partition column values of incorrect type
create table t1 (d timestamp)
partition by range columns(d)
( partition p0 values less than ('2000-01-01'),
partition p1 values less than ('2040-01-01'));
ERROR HY000: Field 'd' is of a not allowed type for this type of partitioning
create table t1 (d bit(1))
partition by range columns(d)
( partition p0 values less than (0),
partition p1 values less than (1));
ERROR HY000: Field 'd' is of a not allowed type for this type of partitioning
create table t1 (a int, b int)
partition by range columns(a,b)
(partition p0 values less than (maxvalue, 10));
drop table t1;
create table t1 (d date)
partition by range columns(d)
( partition p0 values less than ('2000-01-01'),
partition p1 values less than ('2009-01-01'));
drop table t1;
create table t1 (d date)
partition by range columns(d)
( partition p0 values less than ('1999-01-01'),
partition p1 values less than ('2000-01-01'));
drop table t1;
create table t1 (d date)
partition by range columns(d)
( partition p0 values less than ('2000-01-01'),
partition p1 values less than ('3000-01-01'));
drop table t1;
create table t1 (a int, b int)
partition by range columns(a,b)
(partition p2 values less than (99,99),
partition p1 values less than (99,999));
insert into t1 values (99,998);
select * from t1 where b = 998;
a b
99 998
drop table t1;
create table t1 as select to_seconds(null) as to_seconds;
select data_type from information_schema.columns
where column_name='to_seconds';
data_type
int
drop table t1;
create table t1 (a int, b int)
partition by list columns(a,b)
(partition p0 values in ((maxvalue,maxvalue)));
ERROR 42000: Cannot use MAXVALUE as value in VALUES IN near 'maxvalue,maxvalue)))' at line 3
create table t1 (a int, b int)
partition by range columns(a,b)
(partition p0 values less than (maxvalue,maxvalue));
drop table t1;
create table t1 (a int)
partition by list columns(a)
(partition p0 values in (0));
select partition_method from information_schema.partitions where table_name='t1';
partition_method
LIST COLUMNS
drop table t1;
create table t1 (a char(6))
partition by range columns(a)
(partition p0 values less than ('H23456'),
partition p1 values less than ('M23456'));
insert into t1 values ('F23456');
select * from t1;
a
F23456
drop table t1;
create table t1 (a char(6))
partition by range columns(a)
(partition p0 values less than (H23456),
partition p1 values less than (M23456));
ERROR 42S22: Unknown column 'H23456' in 'field list'
create table t1 (a char(6))
partition by range columns(a)
(partition p0 values less than (23456),
partition p1 values less than (23456));
ERROR HY000: Partition column values of incorrect type
create table t1 (a int, b int)
partition by range columns(a,b)
(partition p0 values less than (10));
ERROR 42000: Inconsistency in usage of column lists for partitioning near '))' at line 3
create table t1 (a int, b int)
partition by range columns(a,b)
(partition p0 values less than (1,1,1);
ERROR HY000: Inconsistency in usage of column lists for partitioning
create table t1 (a int, b int)
partition by range columns(a,b)
(partition p0 values less than (1, 0),
partition p1 values less than (2, maxvalue),
partition p2 values less than (3, 3),
partition p3 values less than (10, maxvalue));
insert into t1 values (11,0);
ERROR HY000: Table has no partition for value from column_list
insert into t1 values (0,1),(1,1),(2,1),(3,1),(3,4),(4,9),(9,1);
select * from t1;
a b
0 1
1 1
2 1
3 1
3 4
4 9
9 1
alter table t1
partition by range columns(b,a)
(partition p0 values less than (1,2),
partition p1 values less than (3,3),
partition p2 values less than (9,5));
explain partitions select * from t1 where b < 2;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 ALL NULL NULL NULL NULL 7 Using where
select * from t1 where b < 2;
a b
0 1
1 1
2 1
3 1
9 1
explain partitions select * from t1 where b < 4;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1,p2 ALL NULL NULL NULL NULL 7 Using where
select * from t1 where b < 4;
a b
0 1
1 1
2 1
3 1
9 1
alter table t1 reorganize partition p1 into
(partition p11 values less than (2,2),
partition p12 values less than (3,3));
alter table t1 reorganize partition p0 into
(partition p01 values less than (0,3),
partition p02 values less than (1,1));
ERROR HY000: Reorganize of range partitions cannot change total ranges except for last partition where it can extend the range
alter table t1 reorganize partition p2 into
(partition p2 values less than(9,6,1));
ERROR HY000: Inconsistency in usage of column lists for partitioning
alter table t1 reorganize partition p2 into
(partition p2 values less than (10));
ERROR HY000: Inconsistency in usage of column lists for partitioning
alter table t1 reorganize partition p2 into
(partition p21 values less than (4,7),
partition p22 values less than (9,5));
explain partitions select * from t1 where b < 4;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p11,p12,p21 ALL NULL NULL NULL NULL 7 Using where
select * from t1 where b < 4;
a b
0 1
1 1
2 1
3 1
9 1
drop table t1;
create table t1 (a int, b int)
partition by list columns(a,b)
subpartition by hash (b)
subpartitions 2
(partition p0 values in ((0,0), (1,1)),
partition p1 values in ((1000,1000)));
insert into t1 values (1000,1000);
drop table t1;
create table t1 (a char, b char, c char)
partition by range columns(a,b,c)
( partition p0 values less than ('a','b','c'));
alter table t1 add partition
(partition p1 values less than ('b','c','d'));
drop table t1;
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