2006-01-10 16:44:04 +01:00
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drop table if exists t1,t2,t3,t4;
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create table t1 (a int not null,b int not null,c int not null, primary key(a,b))
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partition by list (b*a)
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(partition x1 values in (1) tablespace ts1,
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partition x2 values in (3, 11, 5, 7) tablespace ts2,
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partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3);
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select * from information_schema.partitions where table_schema="test"
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and table_name="t1";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2007-06-06 14:47:02 +02:00
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NULL test t1 x1 NULL 1 NULL LIST NULL b*a NULL 1 0 0 0 # 1024 0 # # NULL NULL default ts1
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NULL test t1 x2 NULL 2 NULL LIST NULL b*a NULL 3,11,5,7 0 0 0 # 1024 0 # # NULL NULL default ts2
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NULL test t1 x3 NULL 3 NULL LIST NULL b*a NULL 16,8,24,27 0 0 0 # 1024 0 # # NULL NULL default ts3
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2006-01-10 16:44:04 +01:00
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create table t2 (a int not null,b int not null,c int not null, primary key(a,b))
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partition by range (a)
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partitions 3
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(partition x1 values less than (5) tablespace ts1,
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partition x2 values less than (10) tablespace ts2,
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partition x3 values less than maxvalue tablespace ts3);
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select * from information_schema.partitions where table_schema="test"
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and table_name="t2";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2007-06-06 14:47:02 +02:00
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NULL test t2 x1 NULL 1 NULL RANGE NULL a NULL 5 0 0 0 # 1024 0 # # NULL NULL default ts1
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NULL test t2 x2 NULL 2 NULL RANGE NULL a NULL 10 0 0 0 # 1024 0 # # NULL NULL default ts2
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NULL test t2 x3 NULL 3 NULL RANGE NULL a NULL MAXVALUE 0 0 0 # 1024 0 # # NULL NULL default ts3
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2006-01-10 16:44:04 +01:00
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create table t3 (f1 date)
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partition by hash(month(f1))
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partitions 3;
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select * from information_schema.partitions where table_schema="test"
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and table_name="t3";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2007-06-06 14:47:02 +02:00
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NULL test t3 p0 NULL 1 NULL HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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NULL test t3 p1 NULL 2 NULL HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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NULL test t3 p2 NULL 3 NULL HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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2006-01-10 16:44:04 +01:00
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create table t4 (f1 date, f2 int)
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partition by key(f1,f2)
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partitions 3;
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select * from information_schema.partitions where table_schema="test"
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and table_name="t4";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2007-06-06 14:47:02 +02:00
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NULL test t4 p0 NULL 1 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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NULL test t4 p1 NULL 2 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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NULL test t4 p2 NULL 3 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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2006-01-10 16:44:04 +01:00
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drop table t1,t2,t3,t4;
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create table t1 (a int not null,b int not null,c int not null,primary key (a,b))
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partition by range (a)
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subpartition by hash (a+b)
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( partition x1 values less than (1)
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( subpartition x11 tablespace t1,
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subpartition x12 tablespace t2),
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partition x2 values less than (5)
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( subpartition x21 tablespace t1,
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subpartition x22 tablespace t2)
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);
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create table t2 (a int not null,b int not null,c int not null,primary key (a,b))
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partition by range (a)
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subpartition by key (a)
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( partition x1 values less than (1)
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( subpartition x11 tablespace t1,
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subpartition x12 tablespace t2),
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partition x2 values less than (5)
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( subpartition x21 tablespace t1,
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subpartition x22 tablespace t2)
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);
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select * from information_schema.partitions where table_schema="test";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2007-06-06 14:47:02 +02:00
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NULL test t1 x1 x11 1 1 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default t1
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NULL test t1 x1 x12 1 2 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default t2
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NULL test t1 x2 x21 2 1 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default t1
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NULL test t1 x2 x22 2 2 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default t2
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NULL test t2 x1 x11 1 1 RANGE KEY a a 1 0 0 0 # 1024 0 # # NULL NULL default t1
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NULL test t2 x1 x12 1 2 RANGE KEY a a 1 0 0 0 # 1024 0 # # NULL NULL default t2
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NULL test t2 x2 x21 2 1 RANGE KEY a a 5 0 0 0 # 1024 0 # # NULL NULL default t1
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NULL test t2 x2 x22 2 2 RANGE KEY a a 5 0 0 0 # 1024 0 # # NULL NULL default t2
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2006-01-10 16:44:04 +01:00
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drop table t1,t2;
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create table t1 (
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a int not null,
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b int not null,
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c int not null,
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primary key (a,b))
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partition by range (a)
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subpartition by hash (a+b)
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( partition x1 values less than (1)
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( subpartition x11 tablespace t1 nodegroup 0,
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subpartition x12 tablespace t2 nodegroup 1),
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partition x2 values less than (5)
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( subpartition x21 tablespace t1 nodegroup 0,
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subpartition x22 tablespace t2 nodegroup 1)
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);
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select * from information_schema.partitions where table_schema="test";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2007-06-06 14:47:02 +02:00
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NULL test t1 x1 x11 1 1 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL 0 t1
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NULL test t1 x1 x12 1 2 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL 1 t2
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NULL test t1 x2 x21 2 1 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL 0 t1
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NULL test t1 x2 x22 2 2 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL 1 t2
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2006-01-10 16:44:04 +01:00
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show tables;
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Tables_in_test
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t1
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drop table t1;
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create table t1(f1 int, f2 int);
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select * from information_schema.partitions where table_schema="test";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2006-10-27 08:15:17 +02:00
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NULL test t1 NULL NULL NULL NULL NULL NULL NULL NULL NULL 0 0 0 # 1024 0 # # NULL NULL NULL
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2006-01-10 16:44:04 +01:00
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drop table t1;
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create table t1 (f1 date)
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partition by linear hash(month(f1))
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partitions 3;
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select * from information_schema.partitions where table_schema="test"
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and table_name="t1";
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME
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2007-06-06 14:47:02 +02:00
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NULL test t1 p0 NULL 1 NULL LINEAR HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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NULL test t1 p1 NULL 2 NULL LINEAR HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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NULL test t1 p2 NULL 3 NULL LINEAR HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL
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2006-01-10 16:44:04 +01:00
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drop table t1;
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2006-05-31 15:33:10 +02:00
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create table t1 (a int)
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PARTITION BY RANGE (a)
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SUBPARTITION BY LINEAR HASH (a)
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(PARTITION p0 VALUES LESS THAN (10));
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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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2008-11-04 08:43:21 +01:00
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY RANGE (a)
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SUBPARTITION BY LINEAR HASH (a)
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(PARTITION p0 VALUES LESS THAN (10) ENGINE = MyISAM) */
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2006-05-31 15:33:10 +02:00
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select SUBPARTITION_METHOD FROM information_schema.partitions WHERE
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table_schema="test" AND table_name="t1";
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SUBPARTITION_METHOD
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LINEAR HASH
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drop table t1;
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create table t1 (a int)
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PARTITION BY LIST (a)
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(PARTITION p0 VALUES IN
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(10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
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32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53));
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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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2008-11-04 08:43:21 +01:00
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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/*!50100 PARTITION BY LIST (a)
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(PARTITION p0 VALUES IN (10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53) ENGINE = MyISAM) */
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2006-05-31 15:33:10 +02:00
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SELECT PARTITION_DESCRIPTION FROM information_schema.partitions WHERE
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table_schema = "test" AND table_name = "t1";
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PARTITION_DESCRIPTION
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10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53
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drop table t1;
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2008-11-13 13:11:51 +01:00
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drop table if exists t1;
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create table t1 (f1 int key) partition by key(f1) partitions 2;
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select create_options from information_schema.tables where table_schema="test";
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create_options
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partitioned
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drop table t1;
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