ndb_partition_key.result 4.68 KB
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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 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
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Length of frm data: #
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Row Checksum: 1
Row GCI: 1
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TableStatus: Retrieved
-- Attributes -- 
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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
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-- Indexes -- 
PRIMARY KEY(a, b, c) - UniqueHashIndex


NDBT_ProgramExit: 0 - OK

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show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
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  `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,
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  PRIMARY KEY USING HASH (`a`,`b`,`c`)
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) ENGINE=ndbcluster DEFAULT CHARSET=latin1 PARTITION BY KEY (b) 
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DROP TABLE t1;
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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
PARTITION BY KEY(a)
(PARTITION p0 ENGINE = NDB, PARTITION p1 ENGINE = NDB);
drop table t1;
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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 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 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 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 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 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 PARTITION BY KEY () 
alter table t1
partition by key(a)
(partition p0 engine=ndb, partition p1);
ERROR HY000: The mix of handlers in the partitions is not allowed in this version of MySQL
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 PARTITION BY KEY (a) (PARTITION p0  ENGINE = ndbcluster, PARTITION p1  ENGINE = ndbcluster)
drop table t1;
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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;