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drop table if exists t1;
#
# Bug#62505: ALTER TABLE ADD PARTITION fails for LIST partitions with
# more than 16 items
#
CREATE TABLE t1 (a INT);
# SUCCESS with 20 items because this is initial partitioning action
# (The parser already knows that it is only on column)
ALTER TABLE t1
PARTITION BY LIST(a)
(PARTITION p1 VALUES IN (1,2,3,4,5,6,7,8,9,10,
11,12,13,14,15,16,17,18,19,20));
# BUG: FAILED, because number of items > 16 during partition add
# (The parser do not know how many columns the table is partitioned on)
ALTER TABLE t1 ADD PARTITION
(PARTITION p2 VALUES IN (21,22,23,24,25,26,27,28,29,30,
31,32,33,34,35,36,37,38,39,40));
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (a)
(PARTITION p1 VALUES IN (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) ENGINE = InnoDB,
PARTITION p2 VALUES IN (21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40) ENGINE = InnoDB) */
# Test with single column LIST COLUMNS too
ALTER TABLE t1
PARTITION BY LIST COLUMNS (a)
(PARTITION p1 VALUES IN (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20));
ALTER TABLE t1 ADD PARTITION
(PARTITION p2 VALUES IN ((71),(72),(73),(74),(75),(76),(77),(78),(79),(80),
(81),(82),(83),(84),(85),(86),(87),(88),(89),(90)));
ERROR 42000: Row expressions in VALUES IN only allowed for multi-field column partitioning near '))' at line 3
ALTER TABLE t1 ADD PARTITION
(PARTITION p2 VALUES IN (21,22,23,24,25,26,27,28,29,30,
31,32,33,34,35,36,37,38,39,40));
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50500 PARTITION BY LIST COLUMNS(a)
(PARTITION p1 VALUES IN (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20) ENGINE = InnoDB,
PARTITION p2 VALUES IN (21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40) ENGINE = InnoDB) */
DROP TABLE t1;
# Test with two columns in LIST COLUMNS partitioning
CREATE TABLE t1
(a INT,
b CHAR(2))
PARTITION BY LIST COLUMNS (a, b)
(PARTITION p0_a VALUES IN
((0, "a0"), (0, "a1"), (0, "a2"), (0, "a3"), (0, "a4"), (0, "a5"), (0, "a6"),
(0, "a7"), (0, "a8"), (0, "a9"), (0, "aa"), (0, "ab"), (0, "ac"), (0, "ad"),
(0, "ae"), (0, "af"), (0, "ag"), (0, "ah"), (0, "ai"), (0, "aj"), (0, "ak"),
(0, "al")));
ALTER TABLE t1 ADD PARTITION
(PARTITION p1_a VALUES IN
((1, "a0"), (1, "a1"), (1, "a2"), (1, "a3"), (1, "a4"), (1, "a5"), (1, "a6"),
(1, "a7"), (1, "a8"), (1, "a9"), (1, "aa"), (1, "ab"), (1, "ac"), (1, "ad"),
(1, "ae"), (1, "af"), (1, "ag"), (1, "ah"), (1, "ai"), (1, "aj"), (1, "ak"),
(1, "al")));
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` char(2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50500 PARTITION BY LIST COLUMNS(a,b)
(PARTITION p0_a VALUES IN ((0,'a0'),(0,'a1'),(0,'a2'),(0,'a3'),(0,'a4'),(0,'a5'),(0,'a6'),(0,'a7'),(0,'a8'),(0,'a9'),(0,'aa'),(0,'ab'),(0,'ac'),(0,'ad'),(0,'ae'),(0,'af'),(0,'ag'),(0,'ah'),(0,'ai'),(0,'aj'),(0,'ak'),(0,'al')) ENGINE = InnoDB,
PARTITION p1_a VALUES IN ((1,'a0'),(1,'a1'),(1,'a2'),(1,'a3'),(1,'a4'),(1,'a5'),(1,'a6'),(1,'a7'),(1,'a8'),(1,'a9'),(1,'aa'),(1,'ab'),(1,'ac'),(1,'ad'),(1,'ae'),(1,'af'),(1,'ag'),(1,'ah'),(1,'ai'),(1,'aj'),(1,'ak'),(1,'al')) ENGINE = InnoDB) */
# Test of the parser for '('
ALTER TABLE t1 ADD PARTITION
(PARTITION p2_a VALUES IN
(((1 + 1), "a0"), (2, "a1"), (2, "a2"), (2, "a3"), (2, "a4"), (2, "a5"),
(2, "a6"), (2, "a7"), (2, "a8"), (2, "a9"), (2, "aa"), (2, "ab"), (2, "ac"),
(2, "ad"), (2, "ae"), (2, "af"), (2, "ag"), (2, "ah"), (2, "ai"), (2, "aj"),
(2, "ak"), (2, "al")));
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` char(2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50500 PARTITION BY LIST COLUMNS(a,b)
(PARTITION p0_a VALUES IN ((0,'a0'),(0,'a1'),(0,'a2'),(0,'a3'),(0,'a4'),(0,'a5'),(0,'a6'),(0,'a7'),(0,'a8'),(0,'a9'),(0,'aa'),(0,'ab'),(0,'ac'),(0,'ad'),(0,'ae'),(0,'af'),(0,'ag'),(0,'ah'),(0,'ai'),(0,'aj'),(0,'ak'),(0,'al')) ENGINE = InnoDB,
PARTITION p1_a VALUES IN ((1,'a0'),(1,'a1'),(1,'a2'),(1,'a3'),(1,'a4'),(1,'a5'),(1,'a6'),(1,'a7'),(1,'a8'),(1,'a9'),(1,'aa'),(1,'ab'),(1,'ac'),(1,'ad'),(1,'ae'),(1,'af'),(1,'ag'),(1,'ah'),(1,'ai'),(1,'aj'),(1,'ak'),(1,'al')) ENGINE = InnoDB,
PARTITION p2_a VALUES IN ((2,'a0'),(2,'a1'),(2,'a2'),(2,'a3'),(2,'a4'),(2,'a5'),(2,'a6'),(2,'a7'),(2,'a8'),(2,'a9'),(2,'aa'),(2,'ab'),(2,'ac'),(2,'ad'),(2,'ae'),(2,'af'),(2,'ag'),(2,'ah'),(2,'ai'),(2,'aj'),(2,'ak'),(2,'al')) ENGINE = InnoDB) */
ALTER TABLE t1 ADD PARTITION
(PARTITION p3_a VALUES IN ((1 + 1 + 1), "a0"));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '"a0"))' at line 2
ALTER TABLE t1 ADD PARTITION
(PARTITION p3_a VALUES IN (1 + 1 + 1, "a0"));
ERROR HY000: Inconsistency in usage of column lists for partitioning
# Test with 3 columns when it only has 2.
ALTER TABLE t1 ADD PARTITION
(PARTITION p3_a VALUES IN ((3, "a1", 0), (3, "a2", 0)));
ERROR HY000: Inconsistency in usage of column lists for partitioning
ALTER TABLE t1 ADD PARTITION
(PARTITION p3_a VALUES IN ((1 + 1 + 1, "a0")));
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` char(2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50500 PARTITION BY LIST COLUMNS(a,b)
(PARTITION p0_a VALUES IN ((0,'a0'),(0,'a1'),(0,'a2'),(0,'a3'),(0,'a4'),(0,'a5'),(0,'a6'),(0,'a7'),(0,'a8'),(0,'a9'),(0,'aa'),(0,'ab'),(0,'ac'),(0,'ad'),(0,'ae'),(0,'af'),(0,'ag'),(0,'ah'),(0,'ai'),(0,'aj'),(0,'ak'),(0,'al')) ENGINE = InnoDB,
PARTITION p1_a VALUES IN ((1,'a0'),(1,'a1'),(1,'a2'),(1,'a3'),(1,'a4'),(1,'a5'),(1,'a6'),(1,'a7'),(1,'a8'),(1,'a9'),(1,'aa'),(1,'ab'),(1,'ac'),(1,'ad'),(1,'ae'),(1,'af'),(1,'ag'),(1,'ah'),(1,'ai'),(1,'aj'),(1,'ak'),(1,'al')) ENGINE = InnoDB,
PARTITION p2_a VALUES IN ((2,'a0'),(2,'a1'),(2,'a2'),(2,'a3'),(2,'a4'),(2,'a5'),(2,'a6'),(2,'a7'),(2,'a8'),(2,'a9'),(2,'aa'),(2,'ab'),(2,'ac'),(2,'ad'),(2,'ae'),(2,'af'),(2,'ag'),(2,'ah'),(2,'ai'),(2,'aj'),(2,'ak'),(2,'al')) ENGINE = InnoDB,
PARTITION p3_a VALUES IN ((3,'a0')) ENGINE = InnoDB) */
# Test with more than 16 columns (cause of regression)
ALTER TABLE t1 ADD PARTITION
(PARTITION part_2 VALUES IN ((21 ,22, 23, 24, 25, 26, 27, 28, 29, 30,
31 ,32, 33, 34, 35, 36, 37, 38, 39, 40),
(41 ,42, 43, 44, 45, 46, 47, 48, 49, 50,
51 ,52, 53, 54, 55, 56, 57, 58, 59, 60)));
ERROR 42000: Row expressions in VALUES IN only allowed for multi-field column partitioning near '))' at line 5
ALTER TABLE t1 ADD PARTITION
(PARTITION part_2 VALUES IN (21 ,22, 23, 24, 25, 26, 27, 28, 29, 30,
31 ,32, 33, 34, 35, 36, 37, 38, 39, 40));
ERROR HY000: Inconsistency in usage of column lists for partitioning
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` char(2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50500 PARTITION BY LIST COLUMNS(a,b)
(PARTITION p0_a VALUES IN ((0,'a0'),(0,'a1'),(0,'a2'),(0,'a3'),(0,'a4'),(0,'a5'),(0,'a6'),(0,'a7'),(0,'a8'),(0,'a9'),(0,'aa'),(0,'ab'),(0,'ac'),(0,'ad'),(0,'ae'),(0,'af'),(0,'ag'),(0,'ah'),(0,'ai'),(0,'aj'),(0,'ak'),(0,'al')) ENGINE = InnoDB,
PARTITION p1_a VALUES IN ((1,'a0'),(1,'a1'),(1,'a2'),(1,'a3'),(1,'a4'),(1,'a5'),(1,'a6'),(1,'a7'),(1,'a8'),(1,'a9'),(1,'aa'),(1,'ab'),(1,'ac'),(1,'ad'),(1,'ae'),(1,'af'),(1,'ag'),(1,'ah'),(1,'ai'),(1,'aj'),(1,'ak'),(1,'al')) ENGINE = InnoDB,
PARTITION p2_a VALUES IN ((2,'a0'),(2,'a1'),(2,'a2'),(2,'a3'),(2,'a4'),(2,'a5'),(2,'a6'),(2,'a7'),(2,'a8'),(2,'a9'),(2,'aa'),(2,'ab'),(2,'ac'),(2,'ad'),(2,'ae'),(2,'af'),(2,'ag'),(2,'ah'),(2,'ai'),(2,'aj'),(2,'ak'),(2,'al')) ENGINE = InnoDB,
PARTITION p3_a VALUES IN ((3,'a0')) ENGINE = InnoDB) */
DROP TABLE t1;
create table t1 (a int unsigned)
partition by list (a)
(partition p0 values in (0),
partition p1 values in (1),
partition pnull values in (null),
partition p2 values in (2));
insert into t1 values (null),(0),(1),(2);
select * from t1 where a < 2;
a
0
1
select * from t1 where a <= 0;
a
0
select * from t1 where a < 1;
a
0
select * from t1 where a > 0;
a
1
2
select * from t1 where a > 1;
a
2
select * from t1 where a >= 0;
a
0
1
2
select * from t1 where a >= 1;
a
1
2
select * from t1 where a is null;
a
NULL
select * from t1 where a is not null;
a
0
1
2
select * from t1 where a is null or a > 0;
a
1
NULL
2
drop table t1;
create table t1 (a int unsigned, b int)
partition by list (a)
subpartition by hash (b)
subpartitions 2
(partition p0 values in (0),
partition p1 values in (1),
partition pnull values in (null, 2),
partition p3 values in (3));
select partition_method, partition_expression, partition_description
from information_schema.partitions where table_name = "t1";
partition_method partition_expression partition_description
LIST a 0
LIST a 0
LIST a 1
LIST a 1
LIST a NULL,2
LIST a NULL,2
LIST a 3
LIST a 3
insert into t1 values (0,0),(0,1),(1,0),(1,1),(null,0),(null,1);
insert into t1 values (2,0),(2,1),(3,0),(3,1);
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
explain partitions select * from t1 where a is null;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 pnull_pnullsp0,pnull_pnullsp1 ALL NULL NULL NULL NULL 4 25.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where isnull(`test`.`t1`.`a`)
select * from t1 where a is null;
a b
NULL 0
NULL 1
explain partitions select * from t1 where a = 2;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 pnull_pnullsp0,pnull_pnullsp1 ALL NULL NULL NULL NULL 4 25.00 Using where
Warnings:
Warning 1681 'PARTITIONS' is deprecated and will be removed in a future release.
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`a` = 2)
select * from t1 where a = 2;
a b
2 0
2 1
select * from t1 where a <= 0;
a b
0 0
0 1
select * from t1 where a < 3;
a b
0 0
0 1
1 0
1 1
2 0
2 1
select * from t1 where a >= 1 or a is null;
a b
1 0
1 1
NULL 0
2 0
NULL 1
2 1
3 0
3 1
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null)
partition by list(a)
partitions 2
(partition x123 values in (1,5,6),
partition x234 values in (4,7,8));
INSERT into t1 VALUES (1,1,1);
INSERT into t1 VALUES (2,1,1);
ERROR HY000: Table has no partition for value 2
INSERT into t1 VALUES (3,1,1);
ERROR HY000: Table has no partition for value 3
INSERT into t1 VALUES (4,1,1);
INSERT into t1 VALUES (5,1,1);
INSERT into t1 VALUES (6,1,1);
INSERT into t1 VALUES (7,1,1);
INSERT into t1 VALUES (8,1,1);
INSERT into t1 VALUES (9,1,1);
ERROR HY000: Table has no partition for value 9
INSERT into t1 VALUES (1,2,1);
INSERT into t1 VALUES (1,3,1);
INSERT into t1 VALUES (1,4,1);
INSERT into t1 VALUES (7,2,1);
INSERT into t1 VALUES (7,3,1);
INSERT into t1 VALUES (7,4,1);
SELECT * from t1;
a b c
1 1 1
5 1 1
6 1 1
1 2 1
1 3 1
1 4 1
4 1 1
7 1 1
8 1 1
7 2 1
7 3 1
7 4 1
SELECT * from t1 WHERE a=1;
a b c
1 1 1
1 2 1
1 3 1
1 4 1
SELECT * from t1 WHERE a=7;
a b c
7 1 1
7 2 1
7 3 1
7 4 1
SELECT * from t1 WHERE b=2;
a b c
1 2 1
7 2 1
UPDATE t1 SET a=8 WHERE a=7 AND b=3;
SELECT * from t1;
a b c
1 1 1
5 1 1
6 1 1
1 2 1
1 3 1
1 4 1
4 1 1
7 1 1
8 1 1
7 2 1
8 3 1
7 4 1
UPDATE t1 SET a=8 WHERE a=5 AND b=1;
SELECT * from t1;
a b c
1 1 1
6 1 1
1 2 1
1 3 1
1 4 1
4 1 1
7 1 1
8 1 1
7 2 1
8 3 1
7 4 1
8 1 1
DELETE from t1 WHERE a=8;
SELECT * from t1;
a b c
1 1 1
6 1 1
1 2 1
1 3 1
1 4 1
4 1 1
7 1 1
7 2 1
7 4 1
DELETE from t1 WHERE a=2;
SELECT * from t1;
a b c
1 1 1
6 1 1
1 2 1
1 3 1
1 4 1
4 1 1
7 1 1
7 2 1
7 4 1
DELETE from t1 WHERE a=5 OR a=6;
SELECT * from t1;
a b c
1 1 1
1 2 1
1 3 1
1 4 1
4 1 1
7 1 1
7 2 1
7 4 1
ALTER TABLE t1
partition by list(a)
partitions 2
(partition x123 values in (1,5,6),
partition x234 values in (4,7,8));
SELECT * from t1;
a b c
1 1 1
1 2 1
1 3 1
1 4 1
4 1 1
7 1 1
7 2 1
7 4 1
INSERT into t1 VALUES (6,2,1);
INSERT into t1 VALUES (2,2,1);
ERROR HY000: Table has no partition for value 2
drop table t1;
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key (a,b))
partition by list (a)
subpartition by hash (a+b)
( partition x1 values in (1,2,3)
( subpartition x11 nodegroup 0,
subpartition x12 nodegroup 1),
partition x2 values in (4,5,6)
( subpartition x21 nodegroup 0,
subpartition x22 nodegroup 1)
);
INSERT into t1 VALUES (1,1,1);
INSERT into t1 VALUES (4,1,1);
INSERT into t1 VALUES (7,1,1);
ERROR HY000: Table has no partition for value 7
UPDATE t1 SET a=5 WHERE a=1;
SELECT * from t1;
a b c
5 1 1
4 1 1
UPDATE t1 SET a=6 WHERE a=4;
SELECT * from t1;
a b c
5 1 1
6 1 1
DELETE from t1 WHERE a=6;
SELECT * from t1;
a b c
5 1 1
drop table t1;
CREATE TABLESPACE ts1 ADD DATAFILE 'ts1.ibd';
CREATE TABLE t1 (
a int not null,
b int not null,
c int not null,
primary key(a,b))
partition by list (a)
(partition x1 values in (1,2,9,4) tablespace ts1);
Warnings:
Warning 1681 'InnoDB : A table partition in a shared tablespace' is deprecated and will be removed in a future release.
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) NOT NULL,
`c` int(11) NOT NULL,
PRIMARY KEY (`a`,`b`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LIST (a)
(PARTITION x1 VALUES IN (1,2,9,4) TABLESPACE = `ts1` ENGINE = InnoDB) */
drop table t1;
DROP TABLESPACE ts1;
CREATE TABLE t1 (s1 int) PARTITION BY LIST (s1)
(PARTITION p1 VALUES IN (1),
PARTITION p2 VALUES IN (2),
PARTITION p3 VALUES IN (3),
PARTITION p4 VALUES IN (4),
PARTITION p5 VALUES IN (5));
INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
SELECT COUNT(*) FROM t1 WHERE s1 < 3;
COUNT(*)
2
DROP TABLE t1;
create table t1 (a int auto_increment primary key)
auto_increment=100
partition by list (a)
(partition p0 values in (1, 100));
create index inx on t1 (a);
insert into t1 values (null);
select * from t1;
a
100
drop table t1;
create table t1 (a char(1))
partition by list (ascii(ucase(a)))
(partition p1 values in (2));
ERROR HY000: This partition function is not allowed