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466 lines
11 KiB
Text
466 lines
11 KiB
Text
create table t1 (a float not null, primary key(a)) engine='MYISAM'
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partition by key (a) (
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partition pa1 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=20 min_rows=2,
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partition pa2 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=30 min_rows=3,
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partition pa3 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=30 min_rows=4,
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partition pa4 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=40 min_rows=2);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` float NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 DATA DIRECTORY='/tmp/' INDEX DIRECTORY='/tmp/' /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM) */
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insert into t1 values (-3.402823466E+38), (3.402823466E+38), (-1.5), (-1), (0), (1), (1.5);
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select * from t1;
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a
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-3.40282e+38
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-1.5
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-1
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0
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1
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1.5
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3.40282e+38
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select * from t1 where a=1.5;
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a
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1.5
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delete from t1 where a=1.5;
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select * from t1;
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a
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-3.40282e+38
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-1.5
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-1
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0
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1
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3.40282e+38
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drop table t1;
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create table t2 (a float not null, primary key(a)) engine='MYISAM'
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partition by key (a) partitions 10;
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` float NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 10 */
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insert into t2 values (-3.402823466E+38), (-3.402823466E+37), (-123.456), (0), (1234546.789), (123.456), (1.5);
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select * from t2;
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a
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-3.40282e+38
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-3.40282e+37
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-123.456
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0
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1.5
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123.456
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1.23455e+06
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select * from t2 where a=123.456;
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a
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delete from t2 where a=123.456;
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select * from t2;
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a
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-3.40282e+38
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-3.40282e+37
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-123.456
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0
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1.5
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123.456
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1.23455e+06
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select * from t2 where a=1.5;
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a
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1.5
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delete from t2 where a=1.5;
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select * from t2;
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a
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-3.40282e+38
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-3.40282e+37
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-123.456
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0
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123.456
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1.23455e+06
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delete from t2;
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16384*3 inserts;
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select count(*) from t2;
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count(*)
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49152
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drop table t2;
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create table t3 (a float not null, primary key(a)) engine='MYISAM'
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partition by range (cast(floor(a) as signed)) subpartition by key (a) subpartitions 3 (
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partition pa1 values less than (3),
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partition pa3 values less than (6),
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partition pa10 values less than (10)
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);
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show create table t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`a` float NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (cast(floor(a) as signed)) SUBPARTITION BY KEY (a) SUBPARTITIONS 3 (PARTITION pa1 VALUES LESS THAN (3) ENGINE = MyISAM, PARTITION pa3 VALUES LESS THAN (6) ENGINE = MyISAM, PARTITION pa10 VALUES LESS THAN (10) ENGINE = MyISAM) */
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9*3 inserts;
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insert into t3 values (9);
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insert into t3 values (9+0.33);
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insert into t3 values (9+0.75);
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insert into t3 values (8);
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insert into t3 values (8+0.33);
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insert into t3 values (8+0.75);
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insert into t3 values (7);
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insert into t3 values (7+0.33);
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insert into t3 values (7+0.75);
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insert into t3 values (6);
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insert into t3 values (6+0.33);
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insert into t3 values (6+0.75);
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insert into t3 values (5);
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insert into t3 values (5+0.33);
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insert into t3 values (5+0.75);
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insert into t3 values (4);
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insert into t3 values (4+0.33);
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insert into t3 values (4+0.75);
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insert into t3 values (3);
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insert into t3 values (3+0.33);
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insert into t3 values (3+0.75);
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insert into t3 values (2);
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insert into t3 values (2+0.33);
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insert into t3 values (2+0.75);
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insert into t3 values (1);
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insert into t3 values (1+0.33);
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insert into t3 values (1+0.75);
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select count(*) from t3;
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count(*)
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27
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select * from t3;
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a
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1
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1.33
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1.75
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2
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2.33
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2.75
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3
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3.33
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3.75
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4
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4.33
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4.75
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5
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5.33
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5.75
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6
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6.33
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6.75
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7
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7.33
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7.75
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8
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8.33
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8.75
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9
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9.33
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9.75
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drop table t3;
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create table t4 (a float not null, primary key(a)) engine='MYISAM'
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partition by list (cast(floor(a) as signed)) subpartition by key (a) subpartitions 3 (
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partition pa1 values in (1,2,3),
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partition pa3 values in (4,5,6),
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partition pa10 values in (7,8,9,10)
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);
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show create table t4;
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Table Create Table
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t4 CREATE TABLE `t4` (
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`a` float NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY LIST (cast(floor(a) as signed)) SUBPARTITION BY KEY (a) SUBPARTITIONS 3 (PARTITION pa1 VALUES IN (1,2,3) ENGINE = MyISAM, PARTITION pa3 VALUES IN (4,5,6) ENGINE = MyISAM, PARTITION pa10 VALUES IN (7,8,9,10) ENGINE = MyISAM) */
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9*3 inserts;
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insert into t4 values (9);
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insert into t4 values (9+0.33);
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insert into t4 values (9+0.75);
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insert into t4 values (8);
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insert into t4 values (8+0.33);
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insert into t4 values (8+0.75);
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insert into t4 values (7);
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insert into t4 values (7+0.33);
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insert into t4 values (7+0.75);
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insert into t4 values (6);
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insert into t4 values (6+0.33);
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insert into t4 values (6+0.75);
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insert into t4 values (5);
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insert into t4 values (5+0.33);
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insert into t4 values (5+0.75);
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insert into t4 values (4);
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insert into t4 values (4+0.33);
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insert into t4 values (4+0.75);
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insert into t4 values (3);
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insert into t4 values (3+0.33);
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insert into t4 values (3+0.75);
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insert into t4 values (2);
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insert into t4 values (2+0.33);
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insert into t4 values (2+0.75);
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insert into t4 values (1);
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insert into t4 values (1+0.33);
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insert into t4 values (1+0.75);
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select count(*) from t4;
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count(*)
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27
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select * from t4;
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a
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1
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1.33
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1.75
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2
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2.33
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2.75
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3
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3.33
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3.75
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4
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4.33
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4.75
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5
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5.33
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5.75
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6
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6.33
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6.75
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7
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7.33
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7.75
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8
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8.33
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8.75
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9
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9.33
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9.75
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drop table t4;
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create table t1 (a double not null, primary key(a)) engine='MYISAM'
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partition by key (a) (
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partition pa1 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=20 min_rows=2,
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partition pa2 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=30 min_rows=3,
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partition pa3 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=30 min_rows=4,
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partition pa4 DATA DIRECTORY =
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'/tmp' INDEX DIRECTORY =
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'/tmp' max_rows=40 min_rows=2);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` double NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 DATA DIRECTORY='/tmp/' INDEX DIRECTORY='/tmp/' /*!50100 PARTITION BY KEY (a) (PARTITION pa1 MAX_ROWS = 20 MIN_ROWS = 2 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM, PARTITION pa2 MAX_ROWS = 30 MIN_ROWS = 3 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM, PARTITION pa3 MAX_ROWS = 30 MIN_ROWS = 4 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM, PARTITION pa4 MAX_ROWS = 40 MIN_ROWS = 2 DATA DIRECTORY = '/tmp' INDEX DIRECTORY = '/tmp' ENGINE = MyISAM) */
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insert into t1 values (-2.2250738585072014E+208), (-2.2250738585072014E-208), (-1.5), (-1), (0), (1.5), (1234.567), (2.2250738585072014E+208);
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select * from t1;
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a
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-2.2250738585072e+208
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-1.5
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-1
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-2.2250738585072e-208
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0
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1.5
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1234.567
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2.2250738585072e+208
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select * from t1 where a=1.5;
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a
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1.5
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delete from t1 where a=1.5;
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select * from t1;
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a
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-2.2250738585072e+208
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-1.5
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-1
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-2.2250738585072e-208
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0
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1234.567
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2.2250738585072e+208
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drop table t1;
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create table t2 (a double not null, primary key(a)) engine='MYISAM'
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partition by key (a) partitions 10;
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`a` double NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 10 */
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insert into t2 values (-2.2250738585072014E+208), (-2.2250738585072014E-208), (-1.5), (-1), (0), (1.5), (1234.567), (2.2250738585072014E+208);
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select * from t2;
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a
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-2.2250738585072e+208
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-1.5
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-1
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-2.2250738585072e-208
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0
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1.5
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1234.567
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2.2250738585072e+208
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select * from t2 where a=1234.567;
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a
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1234.567
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delete from t2 where a=1234.567;
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select * from t2;
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a
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-2.2250738585072e+208
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-1.5
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-1
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-2.2250738585072e-208
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0
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1.5
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2.2250738585072e+208
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delete from t2;
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16384*3 inserts;
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select count(*) from t2;
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count(*)
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49152
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drop table t2;
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create table t3 (a double not null, primary key(a)) engine='MYISAM'
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partition by range (cast(floor(a) as signed)) subpartition by key (a) subpartitions 3 (
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partition pa1 values less than (3),
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partition pa3 values less than (6),
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partition pa10 values less than (10)
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);
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show create table t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`a` double NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (cast(floor(a) as signed)) SUBPARTITION BY KEY (a) SUBPARTITIONS 3 (PARTITION pa1 VALUES LESS THAN (3) ENGINE = MyISAM, PARTITION pa3 VALUES LESS THAN (6) ENGINE = MyISAM, PARTITION pa10 VALUES LESS THAN (10) ENGINE = MyISAM) */
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9*3 inserts;
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insert into t3 values (9);
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insert into t3 values (9+0.33);
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insert into t3 values (9+0.75);
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insert into t3 values (8);
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insert into t3 values (8+0.33);
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insert into t3 values (8+0.75);
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insert into t3 values (7);
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insert into t3 values (7+0.33);
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insert into t3 values (7+0.75);
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insert into t3 values (6);
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insert into t3 values (6+0.33);
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insert into t3 values (6+0.75);
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insert into t3 values (5);
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insert into t3 values (5+0.33);
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insert into t3 values (5+0.75);
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insert into t3 values (4);
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insert into t3 values (4+0.33);
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insert into t3 values (4+0.75);
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insert into t3 values (3);
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insert into t3 values (3+0.33);
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insert into t3 values (3+0.75);
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insert into t3 values (2);
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insert into t3 values (2+0.33);
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insert into t3 values (2+0.75);
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insert into t3 values (1);
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insert into t3 values (1+0.33);
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insert into t3 values (1+0.75);
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select count(*) from t3;
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count(*)
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27
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select * from t3;
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a
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1
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1.33
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1.75
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2
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2.33
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2.75
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3
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3.33
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3.75
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4
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4.33
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4.75
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5
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5.33
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5.75
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6
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6.33
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6.75
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7
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7.33
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7.75
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8
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8.33
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8.75
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9
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9.33
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9.75
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drop table t3;
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create table t4 (a double not null, primary key(a)) engine='MYISAM'
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partition by list (cast(floor(a) as signed)) subpartition by key (a) subpartitions 3 (
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partition pa1 values in (1,2,3),
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partition pa3 values in (4,5,6),
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partition pa10 values in (7,8,9,10)
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);
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show create table t4;
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Table Create Table
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t4 CREATE TABLE `t4` (
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`a` double NOT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY LIST (cast(floor(a) as signed)) SUBPARTITION BY KEY (a) SUBPARTITIONS 3 (PARTITION pa1 VALUES IN (1,2,3) ENGINE = MyISAM, PARTITION pa3 VALUES IN (4,5,6) ENGINE = MyISAM, PARTITION pa10 VALUES IN (7,8,9,10) ENGINE = MyISAM) */
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9*3 inserts;
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insert into t4 values (9);
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insert into t4 values (9+0.33);
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insert into t4 values (9+0.75);
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insert into t4 values (8);
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insert into t4 values (8+0.33);
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insert into t4 values (8+0.75);
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insert into t4 values (7);
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insert into t4 values (7+0.33);
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insert into t4 values (7+0.75);
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insert into t4 values (6);
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insert into t4 values (6+0.33);
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insert into t4 values (6+0.75);
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insert into t4 values (5);
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insert into t4 values (5+0.33);
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insert into t4 values (5+0.75);
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insert into t4 values (4);
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insert into t4 values (4+0.33);
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insert into t4 values (4+0.75);
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insert into t4 values (3);
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insert into t4 values (3+0.33);
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insert into t4 values (3+0.75);
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insert into t4 values (2);
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insert into t4 values (2+0.33);
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insert into t4 values (2+0.75);
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insert into t4 values (1);
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insert into t4 values (1+0.33);
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insert into t4 values (1+0.75);
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select count(*) from t4;
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count(*)
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27
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select * from t4;
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a
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1
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1.33
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1.75
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2
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2.33
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2.75
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3
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3.33
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3.75
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4
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4.33
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4.75
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5
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5.33
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5.75
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6
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6.33
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6.75
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7
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7.33
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7.75
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8
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8.33
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8.75
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9
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9.33
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9.75
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drop table t4;
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