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https://github.com/MariaDB/server.git
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75 lines
1.4 KiB
Text
75 lines
1.4 KiB
Text
drop table if exists t1;
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CREATE TABLE t1 (
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a int not null,
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b int not null,
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c int not null,
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primary key(a,b))
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partition by hash (a + 2)
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partitions 3
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(partition x1 tablespace ts1,
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partition x2 tablespace ts2,
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partition x3 tablespace ts3);
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insert into t1 values (1,1,1);
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insert into t1 values (2,1,1);
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insert into t1 values (3,1,1);
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insert into t1 values (4,1,1);
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insert into t1 values (5,1,1);
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select * from t1;
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a b c
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1 1 1
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4 1 1
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2 1 1
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5 1 1
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3 1 1
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update t1 set c=3 where b=1;
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select * from t1;
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a b c
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1 1 3
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4 1 3
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2 1 3
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5 1 3
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3 1 3
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select b from t1 where a=3;
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b
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1
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select b,c from t1 where a=1 AND b=1;
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b c
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1 3
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delete from t1 where a=1;
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delete from t1 where c=3;
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select * from t1;
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a b c
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ALTER TABLE t1
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partition by hash (a + 3)
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partitions 3
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(partition x1 tablespace ts1,
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partition x2 tablespace ts2,
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partition x3 tablespace ts3);
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select * from t1;
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a b c
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drop table t1;
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CREATE TABLE t1 (
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a int not null,
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b int not null,
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c int not null,
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primary key(a,b))
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partition by hash (a)
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(partition x1);
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drop table t1;
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CREATE TABLE t1 (
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a int not null,
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b int not null,
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c int not null,
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primary key(a,b))
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partition by key (a)
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(partition x1);
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drop table t1;
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CREATE TABLE t1 (f1 INTEGER, f2 char(20)) ENGINE = 'MYISAM' PARTITION BY HASH(f1) PARTITIONS 2;
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INSERT INTO t1 SET f1 = 0 - 1, f2 = '#######';
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select * from t1;
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f1 f2
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-1 #######
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drop table t1;
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CREATE TABLE t1 (s1 int) ENGINE=BLACKHOLE PARTITION BY HASH (s1);
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INSERT INTO t1 VALUES (0);
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DROP TABLE t1;
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