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	into rama.(none):/home/jimw/my/mysql-5.0-17608 include/my_base.h: Auto merged mysql-test/r/merge.result: Auto merged mysql-test/t/merge.test: Auto merged sql/ha_myisammrg.cc: Auto merged sql/handler.cc: Auto merged
		
			
				
	
	
		
			789 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			789 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| drop table if exists t1,t2,t3,t4,t5,t6;
 | |
| drop database if exists mysqltest;
 | |
| create table t1 (a int not null primary key auto_increment, message char(20));
 | |
| create table t2 (a int not null primary key auto_increment, message char(20));
 | |
| INSERT INTO t1 (message) VALUES ("Testing"),("table"),("t1");
 | |
| INSERT INTO t2 (message) VALUES ("Testing"),("table"),("t2");
 | |
| create table t3 (a int not null, b char(20), key(a)) engine=MERGE UNION=(t1,t2);
 | |
| select * from t3;
 | |
| a	b
 | |
| 1	Testing
 | |
| 2	table
 | |
| 3	t1
 | |
| 1	Testing
 | |
| 2	table
 | |
| 3	t2
 | |
| select * from t3 order by a desc;
 | |
| a	b
 | |
| 3	t1
 | |
| 3	t2
 | |
| 2	table
 | |
| 2	table
 | |
| 1	Testing
 | |
| 1	Testing
 | |
| drop table t3;
 | |
| insert into t1 select NULL,message from t2;
 | |
| insert into t2 select NULL,message from t1;
 | |
| insert into t1 select NULL,message from t2;
 | |
| insert into t2 select NULL,message from t1;
 | |
| insert into t1 select NULL,message from t2;
 | |
| insert into t2 select NULL,message from t1;
 | |
| insert into t1 select NULL,message from t2;
 | |
| insert into t2 select NULL,message from t1;
 | |
| insert into t1 select NULL,message from t2;
 | |
| insert into t2 select NULL,message from t1;
 | |
| insert into t1 select NULL,message from t2;
 | |
| create table t3 (a int not null, b char(20), key(a)) engine=MERGE UNION=(test.t1,test.t2);
 | |
| explain select * from t3 where a < 10;
 | |
| id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | |
| 1	SIMPLE	t3	range	a	a	4	NULL	18	Using where
 | |
| explain select * from t3 where a > 10 and a < 20;
 | |
| id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | |
| 1	SIMPLE	t3	range	a	a	4	NULL	17	Using where
 | |
| select * from t3 where a = 10;
 | |
| a	b
 | |
| 10	Testing
 | |
| 10	Testing
 | |
| select * from t3 where a < 10;
 | |
| a	b
 | |
| 1	Testing
 | |
| 1	Testing
 | |
| 2	table
 | |
| 2	table
 | |
| 3	t1
 | |
| 3	t2
 | |
| 4	Testing
 | |
| 4	Testing
 | |
| 5	table
 | |
| 5	table
 | |
| 6	t2
 | |
| 6	t1
 | |
| 7	Testing
 | |
| 7	Testing
 | |
| 8	table
 | |
| 8	table
 | |
| 9	t2
 | |
| 9	t2
 | |
| select * from t3 where a > 10 and a < 20;
 | |
| a	b
 | |
| 11	table
 | |
| 11	table
 | |
| 12	t1
 | |
| 12	t1
 | |
| 13	Testing
 | |
| 13	Testing
 | |
| 14	table
 | |
| 14	table
 | |
| 15	t2
 | |
| 15	t2
 | |
| 16	Testing
 | |
| 16	Testing
 | |
| 17	table
 | |
| 17	table
 | |
| 18	t2
 | |
| 18	t2
 | |
| 19	Testing
 | |
| 19	Testing
 | |
| explain select a from t3 order by a desc limit 10;
 | |
| id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 | |
| 1	SIMPLE	t3	index	NULL	a	4	NULL	1131	Using index
 | |
| select a from t3 order by a desc limit 10;
 | |
| a
 | |
| 699
 | |
| 698
 | |
| 697
 | |
| 696
 | |
| 695
 | |
| 694
 | |
| 693
 | |
| 692
 | |
| 691
 | |
| 690
 | |
| select a from t3 order by a desc limit 300,10;
 | |
| a
 | |
| 416
 | |
| 415
 | |
| 415
 | |
| 414
 | |
| 414
 | |
| 413
 | |
| 413
 | |
| 412
 | |
| 412
 | |
| 411
 | |
| delete from t3 where a=3;
 | |
| select * from t3 where a < 10;
 | |
| a	b
 | |
| 1	Testing
 | |
| 1	Testing
 | |
| 2	table
 | |
| 2	table
 | |
| 4	Testing
 | |
| 4	Testing
 | |
| 5	table
 | |
| 5	table
 | |
| 6	t2
 | |
| 6	t1
 | |
| 7	Testing
 | |
| 7	Testing
 | |
| 8	table
 | |
| 8	table
 | |
| 9	t2
 | |
| 9	t2
 | |
| delete from t3 where a >= 6 and a <= 8;
 | |
| select * from t3 where a < 10;
 | |
| a	b
 | |
| 1	Testing
 | |
| 1	Testing
 | |
| 2	table
 | |
| 2	table
 | |
| 4	Testing
 | |
| 4	Testing
 | |
| 5	table
 | |
| 5	table
 | |
| 9	t2
 | |
| 9	t2
 | |
| update t3 set a=3 where a=9;
 | |
| select * from t3 where a < 10;
 | |
| a	b
 | |
| 1	Testing
 | |
| 1	Testing
 | |
| 2	table
 | |
| 2	table
 | |
| 3	t2
 | |
| 3	t2
 | |
| 4	Testing
 | |
| 4	Testing
 | |
| 5	table
 | |
| 5	table
 | |
| update t3 set a=6 where a=7;
 | |
| select * from t3 where a < 10;
 | |
| a	b
 | |
| 1	Testing
 | |
| 1	Testing
 | |
| 2	table
 | |
| 2	table
 | |
| 3	t2
 | |
| 3	t2
 | |
| 4	Testing
 | |
| 4	Testing
 | |
| 5	table
 | |
| 5	table
 | |
| show create table t3;
 | |
| Table	Create Table
 | |
| t3	CREATE TABLE `t3` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` char(20) default NULL,
 | |
|   KEY `a` (`a`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
 | |
| create table t4 (a int not null, b char(10), key(a)) engine=MERGE UNION=(t1,t2);
 | |
| select * from t4;
 | |
| ERROR HY000: All tables in the MERGE table are not identically defined
 | |
| alter table t4 add column c int;
 | |
| ERROR HY000: All tables in the MERGE table are not identically defined
 | |
| create database mysqltest;
 | |
| create table mysqltest.t6 (a int not null primary key auto_increment, message char(20));
 | |
| create table t5 (a int not null, b char(20), key(a)) engine=MERGE UNION=(test.t1,mysqltest.t6);
 | |
| show create table t5;
 | |
| Table	Create Table
 | |
| t5	CREATE TABLE `t5` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` char(20) default NULL,
 | |
|   KEY `a` (`a`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`mysqltest`.`t6`)
 | |
| alter table t5 engine=myisam;
 | |
| drop table t5, mysqltest.t6;
 | |
| drop database mysqltest;
 | |
| drop table t4,t3,t1,t2;
 | |
| create table t1 (c char(10)) engine=myisam;
 | |
| create table t2 (c char(10)) engine=myisam;
 | |
| create table t3 (c char(10)) union=(t1,t2) engine=merge;
 | |
| insert into t1 (c) values ('test1');
 | |
| insert into t1 (c) values ('test1');
 | |
| insert into t1 (c) values ('test1');
 | |
| insert into t2 (c) values ('test2');
 | |
| insert into t2 (c) values ('test2');
 | |
| insert into t2 (c) values ('test2');
 | |
| select * from t3;
 | |
| c
 | |
| test1
 | |
| test1
 | |
| test1
 | |
| test2
 | |
| test2
 | |
| test2
 | |
| select * from t3;
 | |
| c
 | |
| test1
 | |
| test1
 | |
| test1
 | |
| test2
 | |
| test2
 | |
| test2
 | |
| delete from t3 where 1=1;
 | |
| select * from t3;
 | |
| c
 | |
| select * from t1;
 | |
| c
 | |
| drop table t3,t2,t1;
 | |
| CREATE TABLE t1 (incr int not null, othr int not null, primary key(incr));
 | |
| CREATE TABLE t2 (incr int not null, othr int not null, primary key(incr));
 | |
| CREATE TABLE t3 (incr int not null, othr int not null, primary key(incr))
 | |
| ENGINE=MERGE UNION=(t1,t2);
 | |
| SELECT * from t3;
 | |
| incr	othr
 | |
| INSERT INTO t1 VALUES ( 1,10),( 3,53),( 5,21),( 7,12),( 9,17);
 | |
| INSERT INTO t2 VALUES ( 2,24),( 4,33),( 6,41),( 8,26),( 0,32);
 | |
| INSERT INTO t1 VALUES (11,20),(13,43),(15,11),(17,22),(19,37);
 | |
| INSERT INTO t2 VALUES (12,25),(14,31),(16,42),(18,27),(10,30);
 | |
| SELECT * from t3 where incr in (1,2,3,4) order by othr;
 | |
| incr	othr
 | |
| 1	10
 | |
| 2	24
 | |
| 4	33
 | |
| 3	53
 | |
| alter table t3 UNION=(t1);
 | |
| select count(*) from t3;
 | |
| count(*)
 | |
| 10
 | |
| alter table t3 UNION=(t1,t2);
 | |
| select count(*) from t3;
 | |
| count(*)
 | |
| 20
 | |
| alter table t3 ENGINE=MYISAM;
 | |
| select count(*) from t3;
 | |
| count(*)
 | |
| 20
 | |
| drop table t3;
 | |
| CREATE TABLE t3 (incr int not null, othr int not null, primary key(incr))
 | |
| ENGINE=MERGE UNION=(t1,t2);
 | |
| show create table t3;
 | |
| Table	Create Table
 | |
| t3	CREATE TABLE `t3` (
 | |
|   `incr` int(11) NOT NULL,
 | |
|   `othr` int(11) NOT NULL,
 | |
|   PRIMARY KEY  (`incr`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
 | |
| alter table t3 drop primary key;
 | |
| show create table t3;
 | |
| Table	Create Table
 | |
| t3	CREATE TABLE `t3` (
 | |
|   `incr` int(11) NOT NULL,
 | |
|   `othr` int(11) NOT NULL
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
 | |
| drop table t3,t2,t1;
 | |
| create table t1 (a int not null, key(a)) engine=merge;
 | |
| select * from t1;
 | |
| a
 | |
| drop table t1;
 | |
| create table t1 (a int not null, b int not null, key(a,b));
 | |
| create table t2 (a int not null, b int not null, key(a,b));
 | |
| create table t3 (a int not null, b int not null, key(a,b)) ENGINE=MERGE UNION=(t1,t2);
 | |
| insert into t1 values (1,2),(2,1),(0,0),(4,4),(5,5),(6,6);
 | |
| insert into t2 values (1,1),(2,2),(0,0),(4,4),(5,5),(6,6);
 | |
| flush tables;
 | |
| select * from t3 where a=1 order by b limit 2;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| drop table t3,t1,t2;
 | |
| create table t1 (a int not null, b int not null auto_increment, primary key(a,b));
 | |
| create table t2 (a int not null, b int not null auto_increment, primary key(a,b));
 | |
| create table t3 (a int not null, b int not null, key(a,b)) UNION=(t1,t2) INSERT_METHOD=NO;
 | |
| create table t4 (a int not null, b int not null, key(a,b)) ENGINE=MERGE UNION=(t1,t2) INSERT_METHOD=NO;
 | |
| 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;
 | |
| 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;
 | |
| show create table t3;
 | |
| Table	Create Table
 | |
| t3	CREATE TABLE `t3` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` int(11) NOT NULL,
 | |
|   KEY `a` (`a`,`b`)
 | |
| ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 | |
| show create table t4;
 | |
| Table	Create Table
 | |
| t4	CREATE TABLE `t4` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` int(11) NOT NULL,
 | |
|   KEY `a` (`a`,`b`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`)
 | |
| show create table t5;
 | |
| Table	Create Table
 | |
| t5	CREATE TABLE `t5` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` int(11) NOT NULL auto_increment,
 | |
|   PRIMARY KEY  (`a`,`b`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=FIRST UNION=(`t1`,`t2`)
 | |
| show create table t6;
 | |
| Table	Create Table
 | |
| t6	CREATE TABLE `t6` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` int(11) NOT NULL auto_increment,
 | |
|   PRIMARY KEY  (`a`,`b`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=LAST UNION=(`t1`,`t2`)
 | |
| insert into t1 values (1,NULL),(1,NULL),(1,NULL),(1,NULL);
 | |
| insert into t2 values (2,NULL),(2,NULL),(2,NULL),(2,NULL);
 | |
| select * from t3 order by b,a limit 3;
 | |
| a	b
 | |
| select * from t4 order by b,a limit 3;
 | |
| a	b
 | |
| 1	1
 | |
| 2	1
 | |
| 1	2
 | |
| select * from t5 order by b,a limit 3,3;
 | |
| a	b
 | |
| 2	2
 | |
| 1	3
 | |
| 2	3
 | |
| select * from t6 order by b,a limit 6,3;
 | |
| a	b
 | |
| 1	4
 | |
| 2	4
 | |
| insert into t5 values (5,1),(5,2);
 | |
| insert into t6 values (6,1),(6,2);
 | |
| select * from t1 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 5	1
 | |
| 5	2
 | |
| select * from t2 order by a,b;
 | |
| a	b
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 6	1
 | |
| 6	2
 | |
| select * from t4 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 5	1
 | |
| 5	2
 | |
| 6	1
 | |
| 6	2
 | |
| insert into t3 values (3,1),(3,2),(3,3),(3,4);
 | |
| select * from t3 order by a,b;
 | |
| a	b
 | |
| 3	1
 | |
| 3	2
 | |
| 3	3
 | |
| 3	4
 | |
| alter table t4 UNION=(t1,t2,t3);
 | |
| show create table t4;
 | |
| Table	Create Table
 | |
| t4	CREATE TABLE `t4` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` int(11) NOT NULL,
 | |
|   KEY `a` (`a`,`b`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t1`,`t2`,`t3`)
 | |
| select * from t4 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 3	1
 | |
| 3	2
 | |
| 3	3
 | |
| 3	4
 | |
| 5	1
 | |
| 5	2
 | |
| 6	1
 | |
| 6	2
 | |
| alter table t4 INSERT_METHOD=FIRST;
 | |
| show create table t4;
 | |
| Table	Create Table
 | |
| t4	CREATE TABLE `t4` (
 | |
|   `a` int(11) NOT NULL,
 | |
|   `b` int(11) NOT NULL,
 | |
|   KEY `a` (`a`,`b`)
 | |
| ) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=FIRST UNION=(`t1`,`t2`,`t3`)
 | |
| insert into t4 values (4,1),(4,2);
 | |
| select * from t1 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 4	1
 | |
| 4	2
 | |
| 5	1
 | |
| 5	2
 | |
| select * from t2 order by a,b;
 | |
| a	b
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 6	1
 | |
| 6	2
 | |
| select * from t3 order by a,b;
 | |
| a	b
 | |
| 3	1
 | |
| 3	2
 | |
| 3	3
 | |
| 3	4
 | |
| select * from t4 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 3	1
 | |
| 3	2
 | |
| 3	3
 | |
| 3	4
 | |
| 4	1
 | |
| 4	2
 | |
| 5	1
 | |
| 5	2
 | |
| 6	1
 | |
| 6	2
 | |
| select * from t5 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 4	1
 | |
| 4	2
 | |
| 5	1
 | |
| 5	2
 | |
| 6	1
 | |
| 6	2
 | |
| select 1;
 | |
| 1
 | |
| 1
 | |
| insert into t5 values (1,NULL),(5,NULL);
 | |
| insert into t6 values (2,NULL),(6,NULL);
 | |
| select * from t1 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 1	5
 | |
| 4	1
 | |
| 4	2
 | |
| 5	1
 | |
| 5	2
 | |
| 5	3
 | |
| select * from t2 order by a,b;
 | |
| a	b
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 2	5
 | |
| 6	1
 | |
| 6	2
 | |
| 6	3
 | |
| select * from t5 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 1	5
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 2	5
 | |
| 4	1
 | |
| 4	2
 | |
| 5	1
 | |
| 5	2
 | |
| 5	3
 | |
| 6	1
 | |
| 6	2
 | |
| 6	3
 | |
| select * from t6 order by a,b;
 | |
| a	b
 | |
| 1	1
 | |
| 1	2
 | |
| 1	3
 | |
| 1	4
 | |
| 1	5
 | |
| 2	1
 | |
| 2	2
 | |
| 2	3
 | |
| 2	4
 | |
| 2	5
 | |
| 4	1
 | |
| 4	2
 | |
| 5	1
 | |
| 5	2
 | |
| 5	3
 | |
| 6	1
 | |
| 6	2
 | |
| 6	3
 | |
| insert into t1 values (99,NULL);
 | |
| select * from t4 where a+0 > 90;
 | |
| a	b
 | |
| 99	1
 | |
| insert t5 values (1,1);
 | |
| ERROR 23000: Duplicate entry '1-1' for key 1
 | |
| insert t6 values (2,1);
 | |
| ERROR 23000: Duplicate entry '2-1' for key 1
 | |
| insert t5 values (1,1) on duplicate key update b=b+10;
 | |
| 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	ref	PRIMARY,files	PRIMARY	35	const,const	1	Using where
 | |
| 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 (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
 |