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4ec088f2e7
DEFAULT partition support added to LIST and LIST COLUMN partitioning. Partitions Prunning added for DEFAULT partititon.
1151 lines
27 KiB
Text
1151 lines
27 KiB
Text
create table t1 (a int, b int)
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PARTITION BY LIST (a)
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(
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PARTITION p2 VALUES IN (4,5,6),
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PARTITION p1 VALUES IN (1)
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)
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;
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insert into t1 values (10,10);
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ERROR HY000: Table has no partition for value 10
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drop table t1;
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create table t1 (a int, b int)
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PARTITION BY LIST (a)
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(
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PARTITION p2 VALUES IN (4,5,6),
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PARTITION p1 VALUES IN (1),
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PARTITION p0 DEFAULT
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY LIST (a)
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(PARTITION p2 VALUES IN (4,5,6) ENGINE = MyISAM,
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PARTITION p1 VALUES IN (1) ENGINE = MyISAM,
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PARTITION p0 DEFAULT ENGINE = MyISAM) */
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insert into t1 values (10,10);
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insert into t1 values (4,4);
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select * from t1;
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a b
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4 4
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10 10
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 0
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p2 1
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drop table t1;
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create table t1 (a int, b int)
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PARTITION BY LIST (a)
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(
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PARTITION p2 VALUES IN (4,5,6),
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PARTITION p1 VALUES IN (1),
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PARTITION p0 DEFAULT,
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PARTITION p3 DEFAULT
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)
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;
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ERROR HY000: Only one DEFAULT partition allowed
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create table t1 (a int, b int)
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PARTITION BY LIST (a)
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(
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PARTITION p0 DEFAULT,
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PARTITION p2 VALUES IN (4,5,6),
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PARTITION p1 VALUES IN (1),
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PARTITION p3 DEFAULT
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)
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;
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ERROR HY000: Only one DEFAULT partition allowed
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create table t1 (a int, b int)
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PARTITION BY LIST (a)
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(
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PARTITION p0 DEFAULT,
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PARTITION p2 VALUES IN (4,5,6),
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PARTITION p1 VALUES IN (1)
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY LIST (a)
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(PARTITION p0 DEFAULT ENGINE = MyISAM,
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PARTITION p2 VALUES IN (4,5,6) ENGINE = MyISAM,
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PARTITION p1 VALUES IN (1) ENGINE = MyISAM) */
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insert into t1 values (10,10);
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select * from t1;
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a b
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10 10
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 0
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p2 0
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drop table t1;
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create table t1 (a int, b int)
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PARTITION BY LIST (a)
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(
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PARTITION p0 DEFAULT,
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PARTITION p2 VALUES IN (4,5,6),
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PARTITION p1 VALUES IN (1, 0)
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY LIST (a)
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(PARTITION p0 DEFAULT ENGINE = MyISAM,
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PARTITION p2 VALUES IN (4,5,6) ENGINE = MyISAM,
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PARTITION p1 VALUES IN (1,0) ENGINE = MyISAM) */
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insert into t1 values (10,10);
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select * from t1;
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a b
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10 10
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 0
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p2 0
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drop table t1;
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create table t1 (a int, b int)
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PARTITION BY LIST COLUMNS(a,b)
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(
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PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)),
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PARTITION p1 VALUES IN ((1,1),(0,0)),
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PARTITION p0 DEFAULT
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50500 PARTITION BY LIST COLUMNS(a,b)
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(PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)) ENGINE = MyISAM,
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PARTITION p1 VALUES IN ((1,1),(0,0)) ENGINE = MyISAM,
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PARTITION p0 DEFAULT ENGINE = MyISAM) */
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insert into t1 values (10,10);
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select * from t1;
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a b
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10 10
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 0
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p2 0
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drop table t1;
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create table t1 (a int, b int)
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PARTITION BY LIST COLUMNS(a,b)
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(
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PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)),
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PARTITION p1 VALUES IN ((1,1),(0,0)),
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PARTITION p0 DEFAULT,
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PARTITION p3 DEFAULT
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)
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;
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ERROR HY000: Only one DEFAULT partition allowed
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create table t1 (a int, b int)
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PARTITION BY LIST COLUMNS(a,b)
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(
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PARTITION p0 DEFAULT,
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PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)),
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PARTITION p1 VALUES IN ((1,1),(0,0)),
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PARTITION p3 DEFAULT
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)
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;
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ERROR HY000: Only one DEFAULT partition allowed
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create table t1 (a int, b int)
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PARTITION BY LIST (a)
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(
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PARTITION p2 VALUES IN (4,5,6),
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PARTITION p1 VALUES IN (1,20),
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PARTITION p0 default
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY LIST (a)
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(PARTITION p2 VALUES IN (4,5,6) ENGINE = MyISAM,
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PARTITION p1 VALUES IN (1,20) ENGINE = MyISAM,
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PARTITION p0 DEFAULT ENGINE = MyISAM) */
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insert into t1 values (10,10);
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 0
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p2 0
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select * from t1 where a=10;
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a b
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10 10
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select * from t1 where a<=10;
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a b
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10 10
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select * from t1 where a<=20;
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a b
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10 10
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select * from t1 where a>=10;
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a b
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10 10
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select * from t1 where a>=5;
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a b
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10 10
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insert into t1 values (20,20),(5,5);
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 1
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p2 1
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select * from t1 where a=10;
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a b
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10 10
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select * from t1 where a<=10;
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a b
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5 5
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10 10
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select * from t1 where a<=20;
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a b
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5 5
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20 20
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10 10
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select * from t1 where a>=10;
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a b
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20 20
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10 10
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select * from t1 where a>=5;
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a b
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5 5
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20 20
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10 10
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explain partitions select * from t1 where a=10;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
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explain partitions select * from t1 where a=5;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
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select * from t1 where a=10 or a=5;
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a b
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5 5
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10 10
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explain partitions select * from t1 where a=10 or a=5;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p2,p0 ALL NULL NULL NULL NULL 2 Using where
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drop table t1;
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create table t1 (a int, b int)
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PARTITION BY LIST COLUMNS(a,b)
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(
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PARTITION p2 VALUES IN ((1,4),(2,5),(3,6),(5,5)),
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PARTITION p1 VALUES IN ((1,1),(20,20)),
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PARTITION p0 DEFAULT
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50500 PARTITION BY LIST COLUMNS(a,b)
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(PARTITION p2 VALUES IN ((1,4),(2,5),(3,6),(5,5)) ENGINE = MyISAM,
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PARTITION p1 VALUES IN ((1,1),(20,20)) ENGINE = MyISAM,
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PARTITION p0 DEFAULT ENGINE = MyISAM) */
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insert into t1 values (10,10);
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 0
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p2 0
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select * from t1 where a=10 and b=10;
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a b
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10 10
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explain partitions select * from t1 where a=10 and b=10;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
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select * from t1 where a=10;
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a b
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10 10
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explain partitions select * from t1 where a=10;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
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select * from t1 where a<=10;
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a b
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10 10
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select * from t1 where a>=10;
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a b
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10 10
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insert into t1 values (20,20),(5,5);
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 1
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p1 1
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p2 1
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select * from t1 where a=10 and b=10;
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a b
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10 10
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explain partitions select * from t1 where a=10 and b=10;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
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select * from t1 where a=10 and b=10 or a=20 and b=20;
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a b
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20 20
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10 10
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explain partitions select * from t1 where a=10 and b=10 or a=20 and b=20;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p1,p0 ALL NULL NULL NULL NULL 2 Using where
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drop table t1;
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create table t1 (a int, b int);
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insert into t1 values (10,10),(2,5),(0,0);
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select * from t1;
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a b
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10 10
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2 5
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0 0
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alter table t1
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PARTITION BY LIST (a+b)
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(
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PARTITION p2 VALUES IN (1,2,3,7),
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PARTITION p1 VALUES IN (21,0),
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PARTITION p0 DEFAULT
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY LIST (a+b)
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(PARTITION p2 VALUES IN (1,2,3,7) ENGINE = MyISAM,
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PARTITION p1 VALUES IN (21,0) ENGINE = MyISAM,
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PARTITION p0 DEFAULT ENGINE = MyISAM) */
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select * from t1;
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a b
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2 5
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0 0
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10 10
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explain partitions select * from t1 where a=2 and b=5;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
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explain partitions select * from t1 where a=10 and b=10;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
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drop table t1;
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create table t1 (a int, b int);
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insert into t1 values (10,10),(2,5),(0,0);
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select * from t1;
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a b
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10 10
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2 5
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0 0
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alter table t1
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PARTITION BY LIST (a+5)
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(
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PARTITION p2 VALUES IN (1,2,3,7),
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PARTITION p1 VALUES IN (0),
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PARTITION p0 DEFAULT
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)
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;
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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` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY LIST (a+5)
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(PARTITION p2 VALUES IN (1,2,3,7) ENGINE = MyISAM,
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PARTITION p1 VALUES IN (0) ENGINE = MyISAM,
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PARTITION p0 DEFAULT ENGINE = MyISAM) */
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select * from t1;
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a b
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2 5
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10 10
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0 0
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select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
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partition_name table_rows
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p0 2
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p1 0
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p2 1
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explain partitions select * from t1 where a>=2;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p2,p1,p0 ALL NULL NULL NULL NULL 3 Using where
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explain partitions select * from t1 where a>=2 and a<=3;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p2,p0 ALL NULL NULL NULL NULL 3 Using where
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explain partitions select * from t1 where a=10;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 2 Using where
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drop table t1;
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CREATE TABLE t1 (a DATE, KEY(a))
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PARTITION BY LIST (TO_DAYS(a))
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(PARTITION `pDEF` DEFAULT,
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PARTITION `p2001-01-01` VALUES IN (TO_DAYS('2001-01-01')),
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PARTITION `pNULL` VALUES IN (NULL),
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PARTITION `p0000-01-02` VALUES IN (TO_DAYS('0000-01-02')),
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PARTITION `p1001-01-01` VALUES IN (TO_DAYS('1001-01-01')));
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INSERT INTO t1 VALUES ('0000-00-00'), ('0000-01-02'), ('0001-01-01'),
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('1001-00-00'), ('1001-01-01'), ('1002-00-00'), ('2001-01-01');
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SELECT * FROM t1 WHERE a < '1001-01-01';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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1001-00-00
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SELECT * FROM t1 WHERE a <= '1001-01-01';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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1001-00-00
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1001-01-01
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SELECT * FROM t1 WHERE a >= '1001-01-01';
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a
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1001-01-01
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1002-00-00
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2001-01-01
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SELECT * FROM t1 WHERE a > '1001-01-01';
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a
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1002-00-00
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2001-01-01
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SELECT * FROM t1 WHERE a = '1001-01-01';
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a
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1001-01-01
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SELECT * FROM t1 WHERE a < '1001-00-00';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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SELECT * FROM t1 WHERE a <= '1001-00-00';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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1001-00-00
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SELECT * FROM t1 WHERE a >= '1001-00-00';
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a
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1001-00-00
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1001-01-01
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1002-00-00
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2001-01-01
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SELECT * FROM t1 WHERE a > '1001-00-00';
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a
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1001-01-01
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1002-00-00
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2001-01-01
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SELECT * FROM t1 WHERE a = '1001-00-00';
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a
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1001-00-00
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# Disabling warnings for the invalid date
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SELECT * FROM t1 WHERE a < '1999-02-31';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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1001-00-00
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1001-01-01
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1002-00-00
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SELECT * FROM t1 WHERE a <= '1999-02-31';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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1001-00-00
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1001-01-01
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1002-00-00
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SELECT * FROM t1 WHERE a >= '1999-02-31';
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a
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2001-01-01
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SELECT * FROM t1 WHERE a > '1999-02-31';
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a
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2001-01-01
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SELECT * FROM t1 WHERE a = '1999-02-31';
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a
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SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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1001-00-00
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1001-01-01
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1002-00-00
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SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01';
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a
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0000-00-00
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0000-01-02
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0001-01-01
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1001-00-00
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1001-01-01
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SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00';
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a
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1001-00-00
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1001-01-01
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1002-00-00
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SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01';
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a
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0001-01-01
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1001-00-00
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1001-01-01
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|
# test without index
|
|
ALTER TABLE t1 DROP KEY a;
|
|
SELECT * FROM t1 WHERE a < '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
SELECT * FROM t1 WHERE a <= '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a >= '1001-01-01';
|
|
a
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1001-01-01';
|
|
a
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1001-01-01';
|
|
a
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a < '1001-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
SELECT * FROM t1 WHERE a <= '1001-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
SELECT * FROM t1 WHERE a >= '1001-00-00';
|
|
a
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1001-00-00';
|
|
a
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1001-00-00';
|
|
a
|
|
1001-00-00
|
|
# Disabling warnings for the invalid date
|
|
SELECT * FROM t1 WHERE a < '1999-02-31';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a <= '1999-02-31';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a >= '1999-02-31';
|
|
a
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1999-02-31';
|
|
a
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1999-02-31';
|
|
a
|
|
SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00';
|
|
a
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01';
|
|
a
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
DROP TABLE t1;
|
|
# TO_SECONDS, test of LIST and index
|
|
CREATE TABLE t1 (a DATE, KEY(a))
|
|
PARTITION BY LIST (TO_SECONDS(a))
|
|
(PARTITION `pDEF` DEFAULT,
|
|
PARTITION `p2001-01-01` VALUES IN (TO_SECONDS('2001-01-01')),
|
|
PARTITION `pNULL` VALUES IN (NULL),
|
|
PARTITION `p0000-01-02` VALUES IN (TO_SECONDS('0000-01-02')),
|
|
PARTITION `p1001-01-01` VALUES IN (TO_SECONDS('1001-01-01')));
|
|
INSERT INTO t1 VALUES ('0000-00-00'), ('0000-01-02'), ('0001-01-01'),
|
|
('1001-00-00'), ('1001-01-01'), ('1002-00-00'), ('2001-01-01');
|
|
SELECT * FROM t1 WHERE a < '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
SELECT * FROM t1 WHERE a <= '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a >= '1001-01-01';
|
|
a
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1001-01-01';
|
|
a
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1001-01-01';
|
|
a
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a < '1001-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
SELECT * FROM t1 WHERE a <= '1001-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
SELECT * FROM t1 WHERE a >= '1001-00-00';
|
|
a
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1001-00-00';
|
|
a
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1001-00-00';
|
|
a
|
|
1001-00-00
|
|
# Disabling warnings for the invalid date
|
|
SELECT * FROM t1 WHERE a < '1999-02-31';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a <= '1999-02-31';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a >= '1999-02-31';
|
|
a
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1999-02-31';
|
|
a
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1999-02-31';
|
|
a
|
|
SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00';
|
|
a
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01';
|
|
a
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
# test without index
|
|
ALTER TABLE t1 DROP KEY a;
|
|
SELECT * FROM t1 WHERE a < '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
SELECT * FROM t1 WHERE a <= '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a >= '1001-01-01';
|
|
a
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1001-01-01';
|
|
a
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1001-01-01';
|
|
a
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a < '1001-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
SELECT * FROM t1 WHERE a <= '1001-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
SELECT * FROM t1 WHERE a >= '1001-00-00';
|
|
a
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1001-00-00';
|
|
a
|
|
1001-01-01
|
|
1002-00-00
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1001-00-00';
|
|
a
|
|
1001-00-00
|
|
# Disabling warnings for the invalid date
|
|
SELECT * FROM t1 WHERE a < '1999-02-31';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a <= '1999-02-31';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a >= '1999-02-31';
|
|
a
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a > '1999-02-31';
|
|
a
|
|
2001-01-01
|
|
SELECT * FROM t1 WHERE a = '1999-02-31';
|
|
a
|
|
SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01';
|
|
a
|
|
0000-00-00
|
|
0000-01-02
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00';
|
|
a
|
|
1001-00-00
|
|
1001-01-01
|
|
1002-00-00
|
|
SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01';
|
|
a
|
|
0001-01-01
|
|
1001-00-00
|
|
1001-01-01
|
|
DROP TABLE t1;
|
|
create table t1 (a int, b int);
|
|
insert into t1 values (10,10),(2,5),(0,0);
|
|
select * from t1;
|
|
a b
|
|
10 10
|
|
2 5
|
|
0 0
|
|
alter table t1
|
|
PARTITION BY LIST (a)
|
|
(
|
|
PARTITION p2 VALUES IN (1,2,3),
|
|
PARTITION p1 VALUES IN (20,0),
|
|
PARTITION p0 DEFAULT
|
|
)
|
|
;
|
|
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 (a)
|
|
(PARTITION p2 VALUES IN (1,2,3) ENGINE = MyISAM,
|
|
PARTITION p1 VALUES IN (20,0) ENGINE = MyISAM,
|
|
PARTITION p0 DEFAULT ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
2 5
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
p2 1
|
|
explain partitions select * from t1 where a=2 and b=5;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
|
|
explain partitions select * from t1 where a=10 and b=10;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
|
|
alter table t1
|
|
PARTITION BY LIST (a)
|
|
(
|
|
PARTITION p2 VALUES IN (1,2,3),
|
|
PARTITION p1 VALUES IN (20,0),
|
|
PARTITION p0 VALUES IN (10)
|
|
)
|
|
;
|
|
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 (a)
|
|
(PARTITION p2 VALUES IN (1,2,3) ENGINE = MyISAM,
|
|
PARTITION p1 VALUES IN (20,0) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN (10) ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
2 5
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
p2 1
|
|
explain partitions select * from t1 where a=2 and b=5;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
|
|
explain partitions select * from t1 where a=10 and b=10;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
|
|
alter table t1
|
|
PARTITION BY LIST (a)
|
|
(
|
|
PARTITION p2 DEFAULT,
|
|
PARTITION p1 VALUES IN (20,0),
|
|
PARTITION p0 VALUES IN (10)
|
|
)
|
|
;
|
|
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 (a)
|
|
(PARTITION p2 DEFAULT ENGINE = MyISAM,
|
|
PARTITION p1 VALUES IN (20,0) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN (10) ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
2 5
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
p2 1
|
|
explain partitions select * from t1 where a=2 and b=5;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
|
|
explain partitions select * from t1 where a=10 and b=10;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
|
|
alter table t1 drop partition p2;
|
|
ERROR HY000: Table has no partition for value 2
|
|
delete from t1 where a=2;
|
|
alter table t1 drop partition p2;
|
|
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 (a)
|
|
(PARTITION p1 VALUES IN (20,0) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN (10) ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
alter table t1 add partition (PARTITION pd DEFAULT);
|
|
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 (a)
|
|
(PARTITION p1 VALUES IN (20,0) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN (10) ENGINE = MyISAM,
|
|
PARTITION pd DEFAULT ENGINE = MyISAM) */
|
|
alter table t1 add partition (PARTITION pdd DEFAULT);
|
|
ERROR HY000: Only one DEFAULT partition allowed
|
|
alter table t1 drop partition pd;
|
|
alter table t1 add partition (PARTITION pdd DEFAULT,
|
|
PARTITION pd DEFAULT);
|
|
ERROR HY000: Only one DEFAULT partition allowed
|
|
drop table t1;
|
|
create table t1 (a int, b int);
|
|
insert into t1 values (10,10),(2,5),(0,0);
|
|
select * from t1;
|
|
a b
|
|
10 10
|
|
2 5
|
|
0 0
|
|
alter table t1
|
|
PARTITION BY LIST COLUMNS(a,b)
|
|
(
|
|
PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)),
|
|
PARTITION p1 VALUES IN ((1,1),(0,0)),
|
|
PARTITION p0 DEFAULT
|
|
)
|
|
;
|
|
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
|
|
/*!50500 PARTITION BY LIST COLUMNS(a,b)
|
|
(PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)) ENGINE = MyISAM,
|
|
PARTITION p1 VALUES IN ((1,1),(0,0)) ENGINE = MyISAM,
|
|
PARTITION p0 DEFAULT ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
2 5
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
p2 1
|
|
explain partitions select * from t1 where a=2 and b=5;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
|
|
explain partitions select * from t1 where a=10 and b=10;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
|
|
alter table t1
|
|
PARTITION BY LIST COLUMNS(a,b)
|
|
(
|
|
PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)),
|
|
PARTITION p1 VALUES IN ((1,1),(0,0)),
|
|
PARTITION p0 VALUES IN ((10,10))
|
|
)
|
|
;
|
|
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
|
|
/*!50500 PARTITION BY LIST COLUMNS(a,b)
|
|
(PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)) ENGINE = MyISAM,
|
|
PARTITION p1 VALUES IN ((1,1),(0,0)) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN ((10,10)) ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
2 5
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
p2 1
|
|
explain partitions select * from t1 where a=2 and b=5;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
|
|
explain partitions select * from t1 where a=10 and b=10;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
|
|
alter table t1
|
|
PARTITION BY LIST COLUMNS(a,b)
|
|
(
|
|
PARTITION p2 DEFAULT,
|
|
PARTITION p1 VALUES IN ((1,1),(0,0)),
|
|
PARTITION p0 VALUES IN ((10,10))
|
|
)
|
|
;
|
|
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
|
|
/*!50500 PARTITION BY LIST COLUMNS(a,b)
|
|
(PARTITION p2 DEFAULT ENGINE = MyISAM,
|
|
PARTITION p1 VALUES IN ((1,1),(0,0)) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN ((10,10)) ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
2 5
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
p2 1
|
|
explain partitions select * from t1 where a=2 and b=5;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
|
|
explain partitions select * from t1 where a=10 and b=10;
|
|
id select_type table partitions type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
|
|
alter table t1 drop partition p2;
|
|
ERROR HY000: Table has no partition for value from column_list
|
|
delete from t1 where a=2;
|
|
alter table t1 drop partition p2;
|
|
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
|
|
/*!50500 PARTITION BY LIST COLUMNS(a,b)
|
|
(PARTITION p1 VALUES IN ((1,1),(0,0)) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN ((10,10)) ENGINE = MyISAM) */
|
|
select * from t1;
|
|
a b
|
|
0 0
|
|
10 10
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 1
|
|
p1 1
|
|
alter table t1 add partition (PARTITION pd DEFAULT);
|
|
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
|
|
/*!50500 PARTITION BY LIST COLUMNS(a,b)
|
|
(PARTITION p1 VALUES IN ((1,1),(0,0)) ENGINE = MyISAM,
|
|
PARTITION p0 VALUES IN ((10,10)) ENGINE = MyISAM,
|
|
PARTITION pd DEFAULT ENGINE = MyISAM) */
|
|
alter table t1 add partition (PARTITION pdd DEFAULT);
|
|
ERROR HY000: Only one DEFAULT partition allowed
|
|
alter table t1 drop partition pd;
|
|
alter table t1 add partition (PARTITION pdd DEFAULT,
|
|
PARTITION pd DEFAULT);
|
|
ERROR HY000: Only one DEFAULT partition allowed
|
|
drop table t1;
|
|
create table t1 (a int)
|
|
PARTITION BY LIST (a)
|
|
(
|
|
PARTITION p2 VALUES IN (4,5,6),
|
|
PARTITION p1 VALUES IN (1),
|
|
PARTITION pd DEFAULT
|
|
)
|
|
;
|
|
insert into t1 values (1),(2),(3),(4);
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p1 1
|
|
p2 1
|
|
pd 2
|
|
alter table t1 add partition
|
|
(partition p0 VALUES IN (2,3));
|
|
select partition_name, table_rows from INFORMATION_SCHEMA.PARTITIONS where table_name='t1';
|
|
partition_name table_rows
|
|
p0 2
|
|
p1 1
|
|
p2 1
|
|
pd 0
|
|
drop table t1;
|
|
create table t1 (a int, b int)
|
|
PARTITION BY LIST COLUMNS(a,b)
|
|
(
|
|
PARTITION p0 DEFAULT,
|
|
PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)),
|
|
PARTITION p1 VALUES IN ((1,1),(0,0))
|
|
)
|
|
;
|
|
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
|
|
/*!50500 PARTITION BY LIST COLUMNS(a,b)
|
|
(PARTITION p0 DEFAULT ENGINE = MyISAM,
|
|
PARTITION p2 VALUES IN ((1,4),(2,5),(3,6)) ENGINE = MyISAM,
|
|
PARTITION p1 VALUES IN ((1,1),(0,0)) ENGINE = MyISAM) */
|
|
drop table t1;
|