merge.test
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上传日期:2022-05-23
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文件大小:12k
- #
- # test of MERGE TABLES
- #
- --disable_warnings
- drop table if exists t1,t2,t3,t4,t5,t6;
- drop database if exists mysqltest;
- --enable_warnings
- 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;
- select * from t3 order by a desc;
- 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;
- explain select * from t3 where a > 10 and a < 20;
- select * from t3 where a = 10;
- select * from t3 where a < 10;
- select * from t3 where a > 10 and a < 20;
- explain select a from t3 order by a desc limit 10;
- select a from t3 order by a desc limit 10;
- select a from t3 order by a desc limit 300,10;
- delete from t3 where a=3;
- select * from t3 where a < 10;
- delete from t3 where a >= 6 and a <= 8;
- select * from t3 where a < 10;
- update t3 set a=3 where a=9;
- select * from t3 where a < 10;
- update t3 set a=6 where a=7;
- select * from t3 where a < 10;
- show create table t3;
- # The following should give errors
- create table t4 (a int not null, b char(10), key(a)) engine=MERGE UNION=(t1,t2);
- --error 1016
- select * from t4;
- --error 1016
- alter table t4 add column c int;
- #
- # Test tables in different databases
- #
- 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;
- alter table t5 engine=myisam;
- drop table t5, mysqltest.t6;
- drop database mysqltest;
- # Because of windows, it's important that we drop the merge tables first!
- 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;
- select * from t3;
- delete from t3 where 1=1;
- select * from t3;
- select * from t1;
- drop table t3,t2,t1;
- #
- # Test 2
- #
- 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;
- 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;
- alter table t3 UNION=(t1);
- select count(*) from t3;
- alter table t3 UNION=(t1,t2);
- select count(*) from t3;
- alter table t3 ENGINE=MYISAM;
- select count(*) from t3;
- # Test that ALTER TABLE rembers the old UNION
- 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;
- alter table t3 drop primary key;
- show create table t3;
- drop table t3,t2,t1;
- #
- # Test table without unions
- #
- create table t1 (a int not null, key(a)) engine=merge;
- select * from t1;
- drop table t1;
- #
- # Bug in flush tables combined with MERGE tables
- #
- 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;
- drop table t3,t1,t2;
- #
- # [phi] testing INSERT_METHOD stuff
- #
- # first testing of common stuff with new parameters
- 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;
- show create table t4;
- show create table t5;
- show create table t6;
- 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;
- select * from t4 order by b,a limit 3;
- select * from t5 order by b,a limit 3,3;
- select * from t6 order by b,a limit 6,3;
- # now testing inserts and where the data gets written
- insert into t5 values (5,1),(5,2);
- insert into t6 values (6,1),(6,2);
- select * from t1 order by a,b;
- select * from t2 order by a,b;
- select * from t4 order by a,b;
- # preperation for next test
- insert into t3 values (3,1),(3,2),(3,3),(3,4);
- select * from t3 order by a,b;
- # now testing whether options are kept by alter table
- alter table t4 UNION=(t1,t2,t3);
- show create table t4;
- select * from t4 order by a,b;
- # testing switching off insert method and inserts again
- alter table t4 INSERT_METHOD=FIRST;
- show create table t4;
- insert into t4 values (4,1),(4,2);
- select * from t1 order by a,b;
- select * from t2 order by a,b;
- select * from t3 order by a,b;
- select * from t4 order by a,b;
- select * from t5 order by a,b;
- # auto_increment
- select 1;
- insert into t5 values (1,NULL),(5,NULL);
- insert into t6 values (2,NULL),(6,NULL);
- select * from t1 order by a,b;
- select * from t2 order by a,b;
- select * from t5 order by a,b;
- select * from t6 order by a,b;
- insert into t1 values (99,NULL);
- select * from t4 where a+0 > 90;
- # bug#4008 - cannot determine a unique key that caused "dupl. key error"
- --error 1062
- insert t5 values (1,1);
- --error 1062
- insert t6 values (2,1);
- 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;
- 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;
- select max(b) from t1 where a = 2;
- drop table t3,t1,t2;
- #
- # temporary merge tables
- #
- 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;
- 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;
- drop table t6, t3, t1, t2, t4, t5;
- #
- # testing merge::records_in_range and optimizer
- #
- 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;
- EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
- AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
- EXPLAIN SELECT * FROM t1 WHERE fileset_id = 2
- AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
- EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
- AND file_code = '0000000115' LIMIT 1;
- DROP TABLE t2, t1;
- #
- # Test of ORDER BY DESC on key (Bug #515)
- #
- 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;
- # Bug is that followng query returns empty set while it must be same as above
- select * from t3 where x = 1 and y < 5 order by y desc;
- drop table t1,t2,t3;
- #
- # Bug#5232: CREATE TABLE ... SELECT
- #
- create table t1 (a int);
- create table t2 (a int);
- insert into t1 values (0);
- insert into t2 values (1);
- --error 1093
- create table t3 engine=merge union=(t1, t2) select * from t1;
- --error 1093
- create table t3 engine=merge union=(t1, t2) select * from t2;
- drop table t1, t2;
- #
- # Bug#9112 - Merge table with composite index producing invalid results with some queries
- # This test case will fail only without the bugfix and some
- # non-deterministic circumstances. It depends on properly initialized
- # "un-initialized" memory. At the time it happens with a standard
- # non-debug build. But there is no guarantee that this will be always so.
- #
- 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;
- flush tables;
- select min(a), max(a) from t1;
- drop table t1, t2, t3;
- # BUG#6699 : no sorting on 'ref' retrieval
- 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;
- select a,b,c from t3 force index (a) where a=1 order by a,b,c;
- # this actually wasn't affected:
- explain select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
- select a,b,c from t3 force index (a) where a=1 order by a desc, b desc, c desc;
- # BUG#7377 SHOW index on MERGE table crashes debug server
- show index from t3;
- drop table t1, t2, t3;
- #
- # Bug#10400 - Improperly-defined MERGE table crashes with INSERT ... ON DUPLICATE KEY UPDATE
- #
- 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;
- DROP TABLE t1, t2;
- # End of 4.1 tests