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WL#3352, Introducing Column list partitioning, makes it possible to partition on most data types, makes it possible to prune on multi-field partitioning

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This commit is contained in:
Mikael Ronstrom
2009-09-15 17:07:52 +02:00
parent 905d715f10
commit 6942c25e73
27 changed files with 2235 additions and 760 deletions
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94
mysql-test/r/partition_range.result
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@ -1,6 +1,100 @@
drop table if exists t1, t2;
create table t1 (a int)
partition by range (a)
( partition p0 values less than (NULL),
partition p1 values less than (MAXVALUE));
ERROR 42000: Not allowed to use NULL value in VALUES LESS THAN near '),
partition p1 values less than (MAXVALUE))' at line 3
create table t1 (a datetime not null)
partition by range (TO_SECONDS(a))
( partition p0 VALUES LESS THAN (TO_SECONDS('2007-03-08 00:00:00')),
partition p1 VALUES LESS THAN (TO_SECONDS('2007-04-01 00:00:00')));
INSERT INTO t1 VALUES ('2007-03-01 12:00:00'), ('2007-03-07 12:00:00');
INSERT INTO t1 VALUES ('2007-03-08 12:00:00'), ('2007-03-15 12:00:00');
explain partitions select * from t1 where a < '2007-03-08 00:00:00';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t1 where a < '2007-03-08 00:00:01';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 ALL NULL NULL NULL NULL 4 Using where
explain partitions select * from t1 where a <= '2007-03-08 00:00:00';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 ALL NULL NULL NULL NULL 4 Using where
explain partitions select * from t1 where a <= '2007-03-07 23:59:59';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 4 Using where
explain partitions select * from t1 where a < '2007-03-07 23:59:59';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 4 Using where
drop table t1;
create table t1 (a date)
partition by range(to_seconds(a))
(partition p0 values less than (to_seconds('2004-01-01')),
partition p1 values less than (to_seconds('2005-01-01')));
insert into t1 values ('2003-12-30'),('2004-12-31');
select * from t1;
a
2003-12-30
2004-12-31
explain partitions select * from t1 where a <= '2003-12-31';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
select * from t1 where a <= '2003-12-31';
a
2003-12-30
explain partitions select * from t1 where a <= '2005-01-01';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 ALL NULL NULL NULL NULL 2 Using where
select * from t1 where a <= '2005-01-01';
a
2003-12-30
2004-12-31
drop table t1;
create table t1 (a datetime)
partition by range(to_seconds(a))
(partition p0 values less than (to_seconds('2004-01-01 12:00:00')),
partition p1 values less than (to_seconds('2005-01-01 12:00:00')));
insert into t1 values ('2004-01-01 11:59:29'),('2005-01-01 11:59:59');
select * from t1;
a
2004-01-01 11:59:29
2005-01-01 11:59:59
explain partitions select * from t1 where a <= '2004-01-01 11:59.59';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
select * from t1 where a <= '2004-01-01 11:59:59';
a
2004-01-01 11:59:29
explain partitions select * from t1 where a <= '2005-01-01';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 ALL NULL NULL NULL NULL 2 Using where
select * from t1 where a <= '2005-01-01';
a
2004-01-01 11:59:29
drop table t1;
create table t1 (a int, b char(20))
partition by range column_list(a,b)
(partition p0 values less than (1));
ERROR 42000: Inconsistency in usage of column lists for partitioning near '))' at line 3
create table t1 (a int, b char(20))
partition by range(a)
(partition p0 values less than (column_list(1,"b")));
ERROR HY000: Inconsistency in usage of column lists for partitioning
create table t1 (a int, b char(20))
partition by range(a)
(partition p0 values less than (column_list(1,"b")));
ERROR HY000: Inconsistency in usage of column lists for partitioning
create table t1 (a int, b char(20));
create global index inx on t1 (a,b)
partition by range (a)
(partition p0 values less than (1));
drop table t1;
create table t1 (a int, b char(20))
partition by range column_list(b)
(partition p0 values less than (column_list("b")));
drop table t1;
create table t1 (a int)
partition by range (a)
( partition p0 values less than (maxvalue));
alter table t1 add partition (partition p1 values less than (100000));
ERROR HY000: MAXVALUE can only be used in last partition definition