mirror of
https://github.com/MariaDB/server.git
synced 2025-10-30 04:26:45 +03:00
72 lines
1.4 KiB
Plaintext
72 lines
1.4 KiB
Plaintext
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a int, b int, c int, d int, PRIMARY KEY(a,b,c))
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ENGINE = NDB
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PARTITION BY KEY (a,b);
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insert into t1 values (1,1,1,1);
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select * from t1;
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a b c d
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1 1 1 1
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update t1 set d = 2 where a = 1 and b = 1 and c = 1;
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select * from t1;
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a b c d
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1 1 1 2
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delete from t1;
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select * from t1;
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a b c d
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drop table t1;
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CREATE TABLE t1 (a int, b int, c int, d int, PRIMARY KEY(a,b))
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ENGINE = NDB
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PARTITION BY KEY (c);
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ERROR HY000: A PRIMARY KEY need to include all fields in the partition function
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CREATE TABLE t1 (a int, b int, c int, PRIMARY KEY(a,b))
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ENGINE = NDB
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PARTITION BY KEY (a);
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insert into t1 values
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(1,1,3),(1,2,3),(1,3,3),(1,4,3),(1,5,3),(1,6,3),
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(1,7,3),(1,8,3),(1,9,3),(1,10,3),(1,11,3),(1,12,3);
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select * from t1 order by b;
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a b c
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1 1 3
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1 2 3
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1 3 3
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1 4 3
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1 5 3
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1 6 3
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1 7 3
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1 8 3
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1 9 3
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1 10 3
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1 11 3
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1 12 3
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DROP TABLE t1;
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CREATE TABLE t1 (a INT, b CHAR(10) COLLATE latin1_bin, c INT, d INT,
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PRIMARY KEY USING HASH (a,b,c))
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ENGINE=NDB
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DEFAULT CHARSET=latin1
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PARTITION BY KEY (b);
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insert into t1 values (1,"a",1,1),(2,"a",1,1),(3,"a",1,1);
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-- t1 --
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Fragment type: 5
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K Value: 6
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Min load factor: 78
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Max load factor: 80
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Temporary table: no
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Number of attributes: 4
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Number of primary keys: 3
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Length of frm data: 301
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TableStatus: Retrieved
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-- Attributes --
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a Int PRIMARY KEY
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b Char(10;latin1_bin) PRIMARY KEY DISTRIBUTION KEY
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c Int PRIMARY KEY
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d Int NULL
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-- Indexes --
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PRIMARY KEY(a, b, c) - UniqueHashIndex
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NDBT_ProgramExit: 0 - OK
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DROP TABLE t1;
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