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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 must include all columns in the table's partitioning 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
select max(b) from t1 where a = 1;
max(b)
12
select b from t1 where a = 1 order by b desc;
b
12
11
10
9
8
7
6
5
4
3
2
1
DROP TABLE t1;
CREATE TABLE t1 (a INT, b CHAR(10) COLLATE latin1_bin, c INT, d INT,
PRIMARY KEY (a,b,c) USING HASH)
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: #
Row Checksum: 1
Row GCI: 1
SingleUserMode: 0
ForceVarPart: 1
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 (`a`,`b`,`c`) USING HASH
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (b) */
DROP TABLE t1;
CREATE TABLE t1 (a int not null primary key)
PARTITION BY KEY(a)
(PARTITION p0 ENGINE = NDB, PARTITION p1 ENGINE = NDB);
drop table t1;
CREATE TABLE t1 (a int not null primary key);
ALTER TABLE t1
ENGINE = NDB
PARTITION BY KEY(a)
(PARTITION p0 ENGINE = NDB, PARTITION p1 ENGINE = NDB);
drop table t1;
CREATE TABLE t1 (a int not null primary key) ENGINE = NDB;
ALTER TABLE t1
PARTITION BY KEY(a)
(PARTITION p0 ENGINE = NDB, PARTITION p1 ENGINE = NDB);
drop table t1;
create table t1 (a int)
engine=ndb
partition by key(a)
(partition p0, partition p1);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = ndbcluster,
PARTITION p1 ENGINE = ndbcluster) */
alter table t1 engine=heap;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = MEMORY,
PARTITION p1 ENGINE = MEMORY) */
alter table t1 engine=ndb;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = ndbcluster,
PARTITION p1 ENGINE = ndbcluster) */
alter table t1 engine=heap remove partitioning;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
alter table t1 engine=ndb
partition by key(a)
(partition p0, partition p1 engine = ndb);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = ndbcluster,
PARTITION p1 ENGINE = ndbcluster) */
alter table t1
partition by key (a)
(partition p0 engine=ndb, partition p1 engine=ndb);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = ndbcluster,
PARTITION p1 ENGINE = ndbcluster) */
alter table t1 remove partitioning;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
alter table t1
partition by key(a)
(partition p0 engine=ndb, partition p1);
alter table t1
engine=ndb
partition by key(a)
(partition p0 engine=ndb, partition p1 engine = ndb);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (a)
(PARTITION p0 ENGINE = ndbcluster,
PARTITION p1 ENGINE = ndbcluster) */
drop table t1;
CREATE TABLE t1 (
c1 MEDIUMINT NOT NULL AUTO_INCREMENT,
c2 TEXT NOT NULL,
c3 INT NOT NULL,
c4 BIT NOT NULL,
c5 FLOAT,
c6 VARCHAR(255),
c7 TIMESTAMP,
PRIMARY KEY(c1,c3))
ENGINE=NDB
PARTITION BY KEY(c3) PARTITIONS 5;
ALTER TABLE t1 COALESCE PARTITION 4;
DROP TABLE t1;
CREATE TABLE t1 (a int primary key)
ENGINE=NDB
PARTITION BY KEY(a);
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze note The storage engine for the table doesn't support analyze
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize note The storage engine for the table doesn't support optimize
REPAIR TABLE t1;
Table Op Msg_type Msg_text
test.t1 repair note The storage engine for the table doesn't support repair
ALTER TABLE t1 OPTIMIZE PARTITION p0;
Table Op Msg_type Msg_text
test.t1 optimize note The storage engine for the table doesn't support optimize
ALTER TABLE t1 CHECK PARTITION p0;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
ALTER TABLE t1 REPAIR PARTITION p0;
Table Op Msg_type Msg_text
test.t1 repair note The storage engine for the table doesn't support repair
ALTER TABLE t1 ANALYZE PARTITION p0;
Table Op Msg_type Msg_text
test.t1 analyze note The storage engine for the table doesn't support analyze
ALTER TABLE t1 REBUILD PARTITION p0;
ERROR HY000: Table storage engine for 't1' doesn't have this option
DROP TABLE t1;
CREATE TABLE t1 (
c1 MEDIUMINT NOT NULL AUTO_INCREMENT,
c2 TEXT NOT NULL,
c3 INT NOT NULL,
PRIMARY KEY(c1,c3))
ENGINE=NDB
PARTITION BY KEY(c3) PARTITIONS 5;
ALTER TABLE t1 ADD COLUMN c4 INT AFTER c1;
DROP TABLE t1;
CREATE TABLE t1 (
c1 MEDIUMINT NOT NULL AUTO_INCREMENT,
c2 TEXT NOT NULL,
c3 INT NOT NULL,
PRIMARY KEY(c1,c3))
ENGINE=NDB
PARTITION BY KEY(c3)
(PARTITION p0 NODEGROUP 0, PARTITION p1 NODEGROUP 0);
ALTER TABLE t1 ADD COLUMN c4 INT AFTER c1;
SELECT NODEGROUP,PARTITION_NAME FROM information_schema.partitions WHERE
table_name = "t1";
NODEGROUP PARTITION_NAME
0 p0
0 p1
DROP TABLE t1;
CREATE TABLE t1 (
a tinyint unsigned NOT NULL,
b bigint(20) unsigned NOT NULL,
c char(12),
PRIMARY KEY (a,b)
) ENGINE ndb DEFAULT CHARSET=latin1 PARTITION BY KEY (a);
insert into t1 values(1,1,'1'), (2,2,'2'), (3,3,'3'), (4,4,'4'), (5,5,'5');
select * from t1 where a = 1;
a b c
1 1 1
select * from t1 where a = 2;
a b c
2 2 2
select * from t1 where a = 3;
a b c
3 3 3
select * from t1 where a = 4;
a b c
4 4 4
select * from t1 where a = 5;
a b c
5 5 5
delete from t1 where a = 1;
select * from t1 order by 1;
a b c
2 2 2
3 3 3
4 4 4
5 5 5
delete from t1 where a = 2;
select * from t1 order by 1;
a b c
3 3 3
4 4 4
5 5 5
delete from t1 where a = 3;
select * from t1 order by 1;
a b c
4 4 4
5 5 5
delete from t1 where a = 4;
select * from t1 order by 1;
a b c
5 5 5
delete from t1 where a = 5;
select * from t1 order by 1;
a b c
drop table t1;
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