mirror of
https://github.com/MariaDB/server.git
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851 lines
20 KiB
Plaintext
851 lines
20 KiB
Plaintext
drop table if exists t1,t2,t3,t4,t5,t6;
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drop database if exists mysqltest;
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create table t1 (a int not null primary key auto_increment, message char(20));
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create table t2 (a int not null primary key auto_increment, message char(20));
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INSERT INTO t1 (message) VALUES ("Testing"),("table"),("t1");
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INSERT INTO t2 (message) VALUES ("Testing"),("table"),("t2");
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create table t3 (a int not null, b char(20), key(a)) engine=MERGE UNION=(t1,t2);
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select * from t3;
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a b
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1 Testing
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2 table
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3 t1
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1 Testing
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2 table
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3 t2
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select * from t3 order by a desc;
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a b
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3 t1
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3 t2
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2 table
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2 table
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1 Testing
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1 Testing
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drop table t3;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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insert into t2 select NULL,message from t1;
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insert into t1 select NULL,message from t2;
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create table t3 (a int not null, b char(20), key(a)) engine=MERGE UNION=(test.t1,test.t2);
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explain select * from t3 where a < 10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 range a a 4 NULL 18 Using where
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explain select * from t3 where a > 10 and a < 20;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 range a a 4 NULL 17 Using where
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select * from t3 where a = 10;
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a b
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10 Testing
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10 Testing
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select * from t3 where a < 10;
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a b
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1 Testing
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1 Testing
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2 table
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2 table
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3 t1
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3 t2
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4 Testing
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4 Testing
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5 table
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5 table
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6 t2
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6 t1
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7 Testing
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7 Testing
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8 table
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8 table
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9 t2
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9 t2
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select * from t3 where a > 10 and a < 20;
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a b
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11 table
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11 table
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12 t1
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12 t1
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13 Testing
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13 Testing
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14 table
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14 table
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15 t2
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15 t2
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16 Testing
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16 Testing
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17 table
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17 table
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18 t2
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18 t2
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19 Testing
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19 Testing
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explain select a from t3 order by a desc limit 10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 index NULL a 4 NULL 1131 Using index
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select a from t3 order by a desc limit 10;
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a
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699
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698
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697
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696
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695
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694
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693
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692
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691
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690
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select a from t3 order by a desc limit 300,10;
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a
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416
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415
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415
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414
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414
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413
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413
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412
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412
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411
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delete from t3 where a=3;
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select * from t3 where a < 10;
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a b
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1 Testing
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1 Testing
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2 table
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2 table
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4 Testing
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4 Testing
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5 table
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5 table
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6 t2
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6 t1
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7 Testing
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7 Testing
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8 table
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8 table
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9 t2
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9 t2
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delete from t3 where a >= 6 and a <= 8;
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select * from t3 where a < 10;
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a b
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1 Testing
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1 Testing
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2 table
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2 table
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4 Testing
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4 Testing
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5 table
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5 table
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9 t2
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9 t2
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update t3 set a=3 where a=9;
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select * from t3 where a < 10;
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a b
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1 Testing
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1 Testing
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2 table
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2 table
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3 t2
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3 t2
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4 Testing
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4 Testing
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5 table
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5 table
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update t3 set a=6 where a=7;
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select * from t3 where a < 10;
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a b
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1 Testing
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1 Testing
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2 table
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2 table
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3 t2
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3 t2
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4 Testing
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4 Testing
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5 table
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5 table
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show create table t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`a` int(11) NOT NULL,
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`b` char(20) DEFAULT NULL,
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KEY `a` (`a`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
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create table t4 (a int not null, b char(10), key(a)) engine=MERGE UNION=(t1,t2);
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select * from t4;
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ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
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alter table t4 add column c int;
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ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
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flush tables;
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select * from t4;
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ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
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create database mysqltest;
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create table mysqltest.t6 (a int not null primary key auto_increment, message char(20));
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create table t5 (a int not null, b char(20), key(a)) engine=MERGE UNION=(test.t1,mysqltest.t6);
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show create table t5;
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Table Create Table
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t5 CREATE TABLE `t5` (
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`a` int(11) NOT NULL,
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`b` char(20) DEFAULT NULL,
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KEY `a` (`a`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`mysqltest`.`t6`)
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alter table t5 engine=myisam;
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drop table t5, mysqltest.t6;
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drop database mysqltest;
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drop table t4,t3,t1,t2;
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create table t1 (c char(10)) engine=myisam;
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create table t2 (c char(10)) engine=myisam;
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create table t3 (c char(10)) union=(t1,t2) engine=merge;
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insert into t1 (c) values ('test1');
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insert into t1 (c) values ('test1');
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insert into t1 (c) values ('test1');
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insert into t2 (c) values ('test2');
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insert into t2 (c) values ('test2');
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insert into t2 (c) values ('test2');
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select * from t3;
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c
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test1
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test1
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test1
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test2
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test2
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test2
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select * from t3;
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c
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test1
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test1
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test1
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test2
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test2
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test2
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delete from t3 where 1=1;
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select * from t3;
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c
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select * from t1;
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c
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drop table t3,t2,t1;
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CREATE TABLE t1 (incr int not null, othr int not null, primary key(incr));
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CREATE TABLE t2 (incr int not null, othr int not null, primary key(incr));
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CREATE TABLE t3 (incr int not null, othr int not null, primary key(incr))
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ENGINE=MERGE UNION=(t1,t2);
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SELECT * from t3;
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incr othr
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INSERT INTO t1 VALUES ( 1,10),( 3,53),( 5,21),( 7,12),( 9,17);
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INSERT INTO t2 VALUES ( 2,24),( 4,33),( 6,41),( 8,26),( 0,32);
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INSERT INTO t1 VALUES (11,20),(13,43),(15,11),(17,22),(19,37);
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INSERT INTO t2 VALUES (12,25),(14,31),(16,42),(18,27),(10,30);
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SELECT * from t3 where incr in (1,2,3,4) order by othr;
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incr othr
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1 10
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2 24
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4 33
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3 53
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alter table t3 UNION=(t1);
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select count(*) from t3;
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count(*)
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10
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alter table t3 UNION=(t1,t2);
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select count(*) from t3;
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count(*)
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20
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alter table t3 ENGINE=MYISAM;
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select count(*) from t3;
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count(*)
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20
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drop table t3;
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CREATE TABLE t3 (incr int not null, othr int not null, primary key(incr))
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ENGINE=MERGE UNION=(t1,t2);
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show create table t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`incr` int(11) NOT NULL,
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`othr` int(11) NOT NULL,
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PRIMARY KEY (`incr`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
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alter table t3 drop primary key;
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show create table t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`incr` int(11) NOT NULL,
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`othr` int(11) NOT NULL
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
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drop table t3,t2,t1;
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create table t1 (a int not null, key(a)) engine=merge;
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select * from t1;
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ERROR HY000: Got error 124 from storage engine
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drop table t1;
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create table t1 (a int not null, b int not null, key(a,b));
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create table t2 (a int not null, b int not null, key(a,b));
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create table t3 (a int not null, b int not null, key(a,b)) ENGINE=MERGE UNION=(t1,t2);
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insert into t1 values (1,2),(2,1),(0,0),(4,4),(5,5),(6,6);
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insert into t2 values (1,1),(2,2),(0,0),(4,4),(5,5),(6,6);
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flush tables;
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select * from t3 where a=1 order by b limit 2;
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a b
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1 1
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1 2
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drop table t3,t1,t2;
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create table t1 (a int not null, b int not null auto_increment, primary key(a,b));
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create table t2 (a int not null, b int not null auto_increment, primary key(a,b));
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create table t3 (a int not null, b int not null, key(a,b)) UNION=(t1,t2) INSERT_METHOD=NO;
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create table t4 (a int not null, b int not null, key(a,b)) ENGINE=MERGE UNION=(t1,t2) INSERT_METHOD=NO;
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create table t5 (a int not null, b int not null auto_increment, primary key(a,b)) ENGINE=MERGE UNION=(t1,t2) INSERT_METHOD=FIRST;
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create table t6 (a int not null, b int not null auto_increment, primary key(a,b)) ENGINE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;
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show create table t3;
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Table Create Table
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t3 CREATE TABLE `t3` (
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`a` int(11) NOT NULL,
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`b` int(11) NOT NULL,
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KEY `a` (`a`,`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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show create table t4;
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Table Create Table
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t4 CREATE TABLE `t4` (
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`a` int(11) NOT NULL,
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`b` int(11) NOT NULL,
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KEY `a` (`a`,`b`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
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show create table t5;
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Table Create Table
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t5 CREATE TABLE `t5` (
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`a` int(11) NOT NULL,
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`b` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`a`,`b`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=FIRST UNION=(`t1`,`t2`)
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show create table t6;
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Table Create Table
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t6 CREATE TABLE `t6` (
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`a` int(11) NOT NULL,
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`b` int(11) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`a`,`b`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=LAST UNION=(`t1`,`t2`)
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insert into t1 values (1,NULL),(1,NULL),(1,NULL),(1,NULL);
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insert into t2 values (2,NULL),(2,NULL),(2,NULL),(2,NULL);
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select * from t3 order by b,a limit 3;
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a b
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select * from t4 order by b,a limit 3;
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a b
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1 1
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2 1
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1 2
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select * from t5 order by b,a limit 3,3;
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a b
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2 2
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1 3
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2 3
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select * from t6 order by b,a limit 6,3;
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a b
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1 4
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2 4
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insert into t5 values (5,1),(5,2);
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insert into t6 values (6,1),(6,2);
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select * from t1 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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5 1
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5 2
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select * from t2 order by a,b;
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a b
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2 1
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2 2
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2 3
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2 4
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6 1
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6 2
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select * from t4 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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2 1
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2 2
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2 3
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2 4
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5 1
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5 2
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6 1
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6 2
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insert into t3 values (3,1),(3,2),(3,3),(3,4);
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select * from t3 order by a,b;
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a b
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3 1
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3 2
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3 3
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3 4
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alter table t4 UNION=(t1,t2,t3);
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show create table t4;
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Table Create Table
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t4 CREATE TABLE `t4` (
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`a` int(11) NOT NULL,
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`b` int(11) NOT NULL,
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KEY `a` (`a`,`b`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`,`t3`)
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select * from t4 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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2 1
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2 2
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2 3
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2 4
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3 1
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3 2
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3 3
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3 4
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5 1
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5 2
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6 1
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6 2
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alter table t4 INSERT_METHOD=FIRST;
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show create table t4;
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Table Create Table
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t4 CREATE TABLE `t4` (
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`a` int(11) NOT NULL,
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`b` int(11) NOT NULL,
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KEY `a` (`a`,`b`)
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) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=FIRST UNION=(`t1`,`t2`,`t3`)
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insert into t4 values (4,1),(4,2);
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select * from t1 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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4 1
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4 2
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5 1
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5 2
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select * from t2 order by a,b;
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a b
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2 1
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2 2
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2 3
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2 4
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6 1
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6 2
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select * from t3 order by a,b;
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a b
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3 1
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3 2
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3 3
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3 4
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select * from t4 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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2 1
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2 2
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2 3
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2 4
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3 1
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3 2
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3 3
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3 4
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4 1
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4 2
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5 1
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5 2
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6 1
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6 2
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select * from t5 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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2 1
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2 2
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2 3
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2 4
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4 1
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4 2
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5 1
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5 2
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6 1
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6 2
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select 1;
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1
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1
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insert into t5 values (1,NULL),(5,NULL);
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insert into t6 values (2,NULL),(6,NULL);
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select * from t1 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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1 5
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4 1
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4 2
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5 1
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5 2
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5 3
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select * from t2 order by a,b;
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a b
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2 1
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2 2
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2 3
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2 4
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2 5
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6 1
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6 2
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6 3
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select * from t5 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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1 5
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2 1
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2 2
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2 3
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2 4
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2 5
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4 1
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4 2
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5 1
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5 2
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5 3
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6 1
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6 2
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6 3
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select * from t6 order by a,b;
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a b
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1 1
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1 2
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1 3
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1 4
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1 5
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2 1
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2 2
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2 3
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2 4
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2 5
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4 1
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4 2
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5 1
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5 2
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5 3
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6 1
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6 2
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6 3
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insert into t1 values (99,NULL);
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select * from t4 where a+0 > 90;
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a b
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99 1
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insert t5 values (1,1);
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ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY'
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insert t6 values (2,1);
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ERROR 23000: Duplicate entry '2-1' for key 'PRIMARY'
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insert t5 values (1,1) on duplicate key update b=b+10;
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insert t6 values (2,1) on duplicate key update b=b+20;
|
|
select * from t5 where a < 3;
|
|
a b
|
|
1 2
|
|
1 3
|
|
1 4
|
|
1 5
|
|
1 11
|
|
2 2
|
|
2 3
|
|
2 4
|
|
2 5
|
|
2 21
|
|
drop table t6, t5, t4, t3, t2, t1;
|
|
CREATE TABLE t1 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES (1,1), (2,1);
|
|
CREATE TABLE t2 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) ENGINE=MyISAM;
|
|
INSERT INTO t2 VALUES (1,2), (2,2);
|
|
CREATE TABLE t3 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', KEY a (a,b)) ENGINE=MRG_MyISAM UNION=(t1,t2);
|
|
select max(b) from t3 where a = 2;
|
|
max(b)
|
|
2
|
|
select max(b) from t1 where a = 2;
|
|
max(b)
|
|
1
|
|
drop table t3,t1,t2;
|
|
create table t1 (a int not null);
|
|
create table t2 (a int not null);
|
|
insert into t1 values (1);
|
|
insert into t2 values (2);
|
|
create temporary table t3 (a int not null) ENGINE=MERGE UNION=(t1,t2);
|
|
select * from t3;
|
|
a
|
|
1
|
|
2
|
|
create temporary table t4 (a int not null);
|
|
create temporary table t5 (a int not null);
|
|
insert into t4 values (1);
|
|
insert into t5 values (2);
|
|
create temporary table t6 (a int not null) ENGINE=MERGE UNION=(t4,t5);
|
|
select * from t6;
|
|
a
|
|
1
|
|
2
|
|
drop table t6, t3, t1, t2, t4, t5;
|
|
CREATE TABLE t1 (
|
|
fileset_id tinyint(3) unsigned NOT NULL default '0',
|
|
file_code varchar(32) NOT NULL default '',
|
|
fileset_root_id tinyint(3) unsigned NOT NULL default '0',
|
|
PRIMARY KEY (fileset_id,file_code),
|
|
KEY files (fileset_id,fileset_root_id)
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES (2, '0000000111', 1), (2, '0000000112', 1), (2, '0000000113', 1),
|
|
(2, '0000000114', 1), (2, '0000000115', 1), (2, '0000000116', 1), (2, '0000000117', 1),
|
|
(2, '0000000118', 1), (2, '0000000119', 1), (2, '0000000120', 1);
|
|
CREATE TABLE t2 (
|
|
fileset_id tinyint(3) unsigned NOT NULL default '0',
|
|
file_code varchar(32) NOT NULL default '',
|
|
fileset_root_id tinyint(3) unsigned NOT NULL default '0',
|
|
PRIMARY KEY (fileset_id,file_code),
|
|
KEY files (fileset_id,fileset_root_id)
|
|
) ENGINE=MRG_MyISAM UNION=(t1);
|
|
EXPLAIN SELECT * FROM t2 IGNORE INDEX (files) WHERE fileset_id = 2
|
|
AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 range PRIMARY PRIMARY 35 NULL 5 Using where
|
|
EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
|
|
AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 range PRIMARY,files PRIMARY 35 NULL 5 Using where
|
|
EXPLAIN SELECT * FROM t1 WHERE fileset_id = 2
|
|
AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range PRIMARY,files PRIMARY 35 NULL 5 Using where
|
|
EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
|
|
AND file_code = '0000000115' LIMIT 1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t2 const PRIMARY,files PRIMARY 35 const,const 1
|
|
DROP TABLE t2, t1;
|
|
create table t1 (x int, y int, index xy(x, y));
|
|
create table t2 (x int, y int, index xy(x, y));
|
|
create table t3 (x int, y int, index xy(x, y)) engine=merge union=(t1,t2);
|
|
insert into t1 values(1, 2);
|
|
insert into t2 values(1, 3);
|
|
select * from t3 where x = 1 and y < 5 order by y;
|
|
x y
|
|
1 2
|
|
1 3
|
|
select * from t3 where x = 1 and y < 5 order by y desc;
|
|
x y
|
|
1 3
|
|
1 2
|
|
drop table t1,t2,t3;
|
|
create table t1 (a int);
|
|
create table t2 (a int);
|
|
insert into t1 values (0);
|
|
insert into t2 values (1);
|
|
create table t3 engine=merge union=(t1, t2) select * from t1;
|
|
ERROR HY000: You can't specify target table 't1' for update in FROM clause
|
|
create table t3 engine=merge union=(t1, t2) select * from t2;
|
|
ERROR HY000: You can't specify target table 't2' for update in FROM clause
|
|
create table t3 engine=merge union=(t1, t2) select (select max(a) from t2);
|
|
ERROR HY000: You can't specify target table 't2' for update in FROM clause
|
|
drop table t1, t2;
|
|
create table t1 (
|
|
a double(14,4),
|
|
b varchar(10),
|
|
index (a,b)
|
|
) engine=merge union=(t2,t3);
|
|
create table t2 (
|
|
a double(14,4),
|
|
b varchar(10),
|
|
index (a,b)
|
|
) engine=myisam;
|
|
create table t3 (
|
|
a double(14,4),
|
|
b varchar(10),
|
|
index (a,b)
|
|
) engine=myisam;
|
|
insert into t2 values ( null, '');
|
|
insert into t2 values ( 9999999999.999, '');
|
|
insert into t3 select * from t2;
|
|
select min(a), max(a) from t1;
|
|
min(a) max(a)
|
|
9999999999.9990 9999999999.9990
|
|
flush tables;
|
|
select min(a), max(a) from t1;
|
|
min(a) max(a)
|
|
9999999999.9990 9999999999.9990
|
|
drop table t1, t2, t3;
|
|
create table t1 (a int,b int,c int, index (a,b,c));
|
|
create table t2 (a int,b int,c int, index (a,b,c));
|
|
create table t3 (a int,b int,c int, index (a,b,c))
|
|
engine=merge union=(t1 ,t2);
|
|
insert into t1 (a,b,c) values (1,1,0),(1,2,0);
|
|
insert into t2 (a,b,c) values (1,1,1),(1,2,1);
|
|
explain select a,b,c from t3 force index (a) where a=1 order by a,b,c;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t3 ref a a 5 const 2 Using where; Using index
|
|
select a,b,c from t3 force index (a) where a=1 order by a,b,c;
|
|
a b c
|
|
1 1 0
|
|
1 1 1
|
|
1 2 0
|
|
1 2 1
|
|
explain select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t3 ref a a 5 const 2 Using where; Using index
|
|
select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
|
|
a b c
|
|
1 2 1
|
|
1 2 0
|
|
1 1 1
|
|
1 1 0
|
|
show index from t3;
|
|
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
|
|
t3 1 a 1 a A NULL NULL NULL YES BTREE
|
|
t3 1 a 2 b A NULL NULL NULL YES BTREE
|
|
t3 1 a 3 c A NULL NULL NULL YES BTREE
|
|
drop table t1, t2, t3;
|
|
CREATE TABLE t1 ( a INT AUTO_INCREMENT PRIMARY KEY, b VARCHAR(10), UNIQUE (b) )
|
|
ENGINE=MyISAM;
|
|
CREATE TABLE t2 ( a INT AUTO_INCREMENT, b VARCHAR(10), INDEX (a), INDEX (b) )
|
|
ENGINE=MERGE UNION (t1) INSERT_METHOD=FIRST;
|
|
INSERT INTO t2 (b) VALUES (1) ON DUPLICATE KEY UPDATE b=2;
|
|
INSERT INTO t2 (b) VALUES (1) ON DUPLICATE KEY UPDATE b=3;
|
|
SELECT b FROM t2;
|
|
b
|
|
3
|
|
DROP TABLE t1, t2;
|
|
create table t1(a int);
|
|
create table t2(a int);
|
|
insert into t1 values (1);
|
|
insert into t2 values (2);
|
|
create table t3 (a int) engine=merge union=(t1, t2) insert_method=first;
|
|
select * from t3;
|
|
a
|
|
1
|
|
2
|
|
insert t2 select * from t2;
|
|
select * from t2;
|
|
a
|
|
2
|
|
2
|
|
insert t3 select * from t1;
|
|
select * from t3;
|
|
a
|
|
1
|
|
1
|
|
2
|
|
2
|
|
insert t1 select * from t3;
|
|
select * from t1;
|
|
a
|
|
1
|
|
1
|
|
1
|
|
1
|
|
2
|
|
2
|
|
select * from t2;
|
|
a
|
|
2
|
|
2
|
|
select * from t3;
|
|
a
|
|
1
|
|
1
|
|
1
|
|
1
|
|
2
|
|
2
|
|
2
|
|
2
|
|
check table t1, t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
test.t2 check status OK
|
|
drop table t1, t2, t3;
|
|
CREATE TABLE t1(a INT);
|
|
INSERT INTO t1 VALUES(2),(1);
|
|
CREATE TABLE t2(a INT, KEY(a)) ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM t2 WHERE a=2;
|
|
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
|
|
DROP TABLE t1, t2;
|
|
CREATE TABLE t1(a INT) ENGINE=MEMORY;
|
|
CREATE TABLE t2(a INT) ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM t2;
|
|
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
|
|
DROP TABLE t1, t2;
|
|
CREATE TABLE t2(a INT) ENGINE=MERGE UNION=(t3);
|
|
SELECT * FROM t2;
|
|
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
|
|
DROP TABLE t2;
|
|
CREATE TABLE t1(a INT, b TEXT);
|
|
CREATE TABLE tm1(a TEXT, b INT) ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM tm1;
|
|
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
|
|
DROP TABLE t1, tm1;
|
|
CREATE TABLE t1(a SMALLINT, b SMALLINT);
|
|
CREATE TABLE tm1(a INT) ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM tm1;
|
|
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
|
|
DROP TABLE t1, tm1;
|
|
CREATE TABLE t1(a SMALLINT, b SMALLINT, KEY(a, b));
|
|
CREATE TABLE tm1(a SMALLINT, b SMALLINT, KEY(a)) ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM tm1;
|
|
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
|
|
DROP TABLE t1, tm1;
|
|
CREATE TABLE t1(a SMALLINT, b SMALLINT, KEY(b));
|
|
CREATE TABLE tm1(a SMALLINT, b SMALLINT, KEY(a)) ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM tm1;
|
|
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
|
|
DROP TABLE t1, tm1;
|
|
CREATE TABLE t1(c1 VARCHAR(1));
|
|
CREATE TABLE m1 LIKE t1;
|
|
ALTER TABLE m1 ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM m1;
|
|
c1
|
|
DROP TABLE t1, m1;
|
|
CREATE TABLE t1(c1 VARCHAR(4), c2 TINYINT, c3 TINYINT, c4 TINYINT,
|
|
c5 TINYINT, c6 TINYINT, c7 TINYINT, c8 TINYINT, c9 TINYINT);
|
|
CREATE TABLE m1 LIKE t1;
|
|
ALTER TABLE m1 ENGINE=MERGE UNION=(t1);
|
|
SELECT * FROM m1;
|
|
c1 c2 c3 c4 c5 c6 c7 c8 c9
|
|
DROP TABLE t1, m1;
|
|
CREATE TABLE t1 (a VARCHAR(255) CHARACTER SET latin1 COLLATE latin1_german2_ci,
|
|
b INT, INDEX(a,b));
|
|
CREATE TABLE t2 LIKE t1;
|
|
CREATE TABLE t3 LIKE t1;
|
|
ALTER TABLE t3 ENGINE=MERGE UNION=(t1,t2);
|
|
INSERT INTO t1 VALUES ('ss',1);
|
|
INSERT INTO t2 VALUES ('ss',2),(0xDF,2);
|
|
SELECT COUNT(*) FROM t3 WHERE a=0xDF AND b=2;
|
|
COUNT(*)
|
|
2
|
|
DROP TABLE t1,t2,t3;
|
|
create table t1 (b bit(1));
|
|
create table t2 (b bit(1));
|
|
create table tm (b bit(1)) engine = merge union = (t1,t2);
|
|
select * from tm;
|
|
b
|
|
drop table tm, t1, t2;
|
|
create table t1 (a int) insert_method = last engine = merge;
|
|
insert into t1 values (1);
|
|
ERROR HY000: Table 't1' is read only
|
|
create table t2 (a int) engine = myisam;
|
|
alter table t1 union (t2);
|
|
insert into t1 values (1);
|
|
alter table t1 insert_method = no;
|
|
insert into t1 values (1);
|
|
ERROR HY000: Table 't1' is read only
|
|
drop table t2;
|
|
drop table t1;
|
|
End of 5.0 tests
|