mirror of
https://github.com/MariaDB/server.git
synced 2025-01-20 14:02:32 +01:00
80 lines
1.9 KiB
Text
80 lines
1.9 KiB
Text
DROP TABLE IF EXISTS t1;
|
|
CREATE TABLE t1 (a int, b int, c int, d int, PRIMARY KEY(a,b,c))
|
|
ENGINE = NDB
|
|
PARTITION BY KEY (a,b);
|
|
insert into t1 values (1,1,1,1);
|
|
select * from t1;
|
|
a b c d
|
|
1 1 1 1
|
|
update t1 set d = 2 where a = 1 and b = 1 and c = 1;
|
|
select * from t1;
|
|
a b c d
|
|
1 1 1 2
|
|
delete from t1;
|
|
select * from t1;
|
|
a b c d
|
|
drop table t1;
|
|
CREATE TABLE t1 (a int, b int, c int, d int, PRIMARY KEY(a,b))
|
|
ENGINE = NDB
|
|
PARTITION BY KEY (c);
|
|
ERROR HY000: A PRIMARY KEY need to include all fields in the partition function
|
|
CREATE TABLE t1 (a int, b int, c int, PRIMARY KEY(a,b))
|
|
ENGINE = NDB
|
|
PARTITION BY KEY (a);
|
|
insert into t1 values
|
|
(1,1,3),(1,2,3),(1,3,3),(1,4,3),(1,5,3),(1,6,3),
|
|
(1,7,3),(1,8,3),(1,9,3),(1,10,3),(1,11,3),(1,12,3);
|
|
select * from t1 order by b;
|
|
a b c
|
|
1 1 3
|
|
1 2 3
|
|
1 3 3
|
|
1 4 3
|
|
1 5 3
|
|
1 6 3
|
|
1 7 3
|
|
1 8 3
|
|
1 9 3
|
|
1 10 3
|
|
1 11 3
|
|
1 12 3
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (a INT, b CHAR(10) COLLATE latin1_bin, c INT, d INT,
|
|
PRIMARY KEY USING HASH (a,b,c))
|
|
ENGINE=NDB
|
|
DEFAULT CHARSET=latin1
|
|
PARTITION BY KEY (b);
|
|
insert into t1 values (1,"a",1,1),(2,"a",1,1),(3,"a",1,1);
|
|
-- t1 --
|
|
|
|
Fragment type: 5
|
|
K Value: 6
|
|
Min load factor: 78
|
|
Max load factor: 80
|
|
Temporary table: no
|
|
Number of attributes: 4
|
|
Number of primary keys: 3
|
|
Length of frm data: #
|
|
TableStatus: Retrieved
|
|
-- Attributes --
|
|
a Int PRIMARY KEY AT=FIXED ST=MEMORY
|
|
b Char(10;latin1_bin) PRIMARY KEY DISTRIBUTION KEY AT=FIXED ST=MEMORY
|
|
c Int PRIMARY KEY AT=FIXED ST=MEMORY
|
|
d Int NULL AT=FIXED ST=MEMORY
|
|
|
|
-- Indexes --
|
|
PRIMARY KEY(a, b, c) - UniqueHashIndex
|
|
|
|
|
|
NDBT_ProgramExit: 0 - OK
|
|
|
|
show create table t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`a` int(11) NOT NULL default '0',
|
|
`b` char(10) character set latin1 collate latin1_bin NOT NULL default '',
|
|
`c` int(11) NOT NULL default '0',
|
|
`d` int(11) default NULL,
|
|
PRIMARY KEY USING HASH (`a`,`b`,`c`)
|
|
) ENGINE=ndbcluster DEFAULT CHARSET=latin1 PARTITION BY KEY (b)
|
|
DROP TABLE t1;
|