partition_order.result

开启mysql的远程连接的方法 mysql-noinstall-5.1.6-alpha-win32.zip

CREATE TABLE t1 (
a int not null,
b char(10) not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > 0 order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b varchar(10) not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > '0' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b varchar(10) not null,
primary key(a),
index (b(5)))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > '0' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b varchar(10) binary not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > '0' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b tinytext not null,
primary key(a),
index (b(10)))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > '0' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b text not null,
primary key(a),
index (b(10)))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > '0' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b mediumtext not null,
primary key(a),
index (b(10)))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > '0' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b longtext not null,
primary key(a),
index (b(10)))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b > '0' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b enum('1','2', '4', '5') not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b >= '1' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b set('1','2', '4', '5') not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '1');
INSERT into t1 values (2, '5');
INSERT into t1 values (30, '4');
INSERT into t1 values (35, '2');
select * from t1 force index (b) where b >= '1' order by b;
a	b
1	1
35	2
30	4
2	5
drop table t1;
CREATE TABLE t1 (
a int not null,
b date not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '2001-01-01');
INSERT into t1 values (2, '2005-01-01');
INSERT into t1 values (30, '2004-01-01');
INSERT into t1 values (35, '2002-01-01');
select * from t1 force index (b) where b > '2000-01-01' order by b;
a	b
1	2001-01-01
35	2002-01-01
30	2004-01-01
2	2005-01-01
drop table t1;
CREATE TABLE t1 (
a int not null,
b datetime not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '2001-01-01 00:00:00');
INSERT into t1 values (2, '2005-01-01 00:00:00');
INSERT into t1 values (30, '2004-01-01 00:00:00');
INSERT into t1 values (35, '2002-01-01 00:00:00');
select * from t1 force index (b) where b > '2000-01-01 00:00:00' order by b;
a	b
1	2001-01-01 00:00:00
35	2002-01-01 00:00:00
30	2004-01-01 00:00:00
2	2005-01-01 00:00:00
drop table t1;
CREATE TABLE t1 (
a int not null,
b timestamp not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '2001-01-01 00:00:00');
INSERT into t1 values (2, '2005-01-01 00:00:00');
INSERT into t1 values (30, '2004-01-01 00:00:00');
INSERT into t1 values (35, '2002-01-01 00:00:00');
select * from t1 force index (b) where b > '2000-01-01 00:00:00' order by b;
a	b
1	2001-01-01 00:00:00
35	2002-01-01 00:00:00
30	2004-01-01 00:00:00
2	2005-01-01 00:00:00
drop table t1;
CREATE TABLE t1 (
a int not null,
b time not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, '01:00:00');
INSERT into t1 values (2, '05:00:00');
INSERT into t1 values (30, '04:00:00');
INSERT into t1 values (35, '02:00:00');
select * from t1 force index (b) where b > '00:00:00' order by b;
a	b
1	01:00:00
35	02:00:00
30	04:00:00
2	05:00:00
drop table t1;
CREATE TABLE t1 (
a int not null,
b year not null,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, 2001);
INSERT into t1 values (2, 2005);
INSERT into t1 values (30, 2004);
INSERT into t1 values (35, 2002);
select * from t1 force index (b) where b > 2000 order by b;
a	b
1	2001
35	2002
30	2004
2	2005
drop table t1;
CREATE TABLE t1 (
a int not null,
b bit(5) not null,
c int,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, b'00001', NULL);
INSERT into t1 values (2, b'00101', 2);
INSERT into t1 values (30, b'00100', 2);
INSERT into t1 values (35, b'00010', NULL);
select a from t1 force index (b) where b > b'00000' order by b;
a
1
35
30
2
drop table t1;
CREATE TABLE t1 (
a int not null,
b bit(15) not null,
c int,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1,  b'000000000000001', NULL);
INSERT into t1 values (2,  b'001010000000101', 2);
INSERT into t1 values (30, b'001000000000100', 2);
INSERT into t1 values (35, b'000100000000010', NULL);
select a from t1 force index (b) where b > b'000000000000000' order by b;
a
1
35
30
2
drop table t1;
CREATE TABLE t1 (
a int not null,
b int,
primary key(a),
index (b))
partition by range (a)
partitions 2
(partition x1 values less than (25),
partition x2 values less than (100));
INSERT into t1 values (1, 1);
INSERT into t1 values (5, NULL);
INSERT into t1 values (2, 5);
INSERT into t1 values (30, 4);
INSERT into t1 values (35, 2);
INSERT into t1 values (40, NULL);
select * from t1 force index (b) where b < 10 OR b IS NULL order by b;
a	b
5	NULL
40	NULL
1	1
35	2
30	4
2	5
drop table t1;