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629697e594
Reduced the precision of the test numbers. Not all platforms could reproduce the exact numbers. mysql-test/r/merge.result: Bug#9112 - Merge table with composite index producing invalid results with some queries The new test result
299 lines
10 KiB
Text
299 lines
10 KiB
Text
#
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# test of MERGE TABLES
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#
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drop table if exists t1,t2,t3,t4,t5,t6;
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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)) type=MERGE UNION=(t1,t2);
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select * from t3;
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select * from t3 order by a desc;
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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)) type=MERGE UNION=(test.t1,test.t2);
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explain select * from t3 where a < 10;
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explain select * from t3 where a > 10 and a < 20;
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select * from t3 where a = 10;
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select * from t3 where a < 10;
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select * from t3 where a > 10 and a < 20;
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explain select a from t3 order by a desc limit 10;
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select a from t3 order by a desc limit 10;
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select a from t3 order by a desc limit 300,10;
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delete from t3 where a=3;
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select * from t3 where a < 10;
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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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update t3 set a=3 where a=9;
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select * from t3 where a < 10;
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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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show create table t3;
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# The following should give errors
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create table t4 (a int not null, b char(10), key(a)) type=MERGE UNION=(t1,t2);
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--error 1016
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select * from t4;
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--error 1212
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create table t5 (a int not null, b char(10), key(a)) type=MERGE UNION=(test.t1,test_2.t2);
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# Because of windows, it's important that we drop the merge tables first!
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drop table if exists t5,t4,t3,t1,t2;
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create table t1 (c char(10)) type=myisam;
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create table t2 (c char(10)) type=myisam;
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create table t3 (c char(10)) union=(t1,t2) type=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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select * from t3;
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delete from t3 where 1=1;
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select * from t3;
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select * from t1;
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drop table t3,t2,t1;
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#
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# Test 2
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#
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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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TYPE=MERGE UNION=(t1,t2);
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SELECT * from t3;
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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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alter table t3 UNION=(t1);
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select count(*) from t3;
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alter table t3 UNION=(t1,t2);
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select count(*) from t3;
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alter table t3 TYPE=MYISAM;
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select count(*) from t3;
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# Test that ALTER TABLE rembers the old UNION
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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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TYPE=MERGE UNION=(t1,t2);
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show create table t3;
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alter table t3 drop primary key;
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show create table t3;
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drop table t3,t2,t1;
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#
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# Test table without unions
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#
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create table t1 (a int not null, key(a)) type=merge;
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select * from t1;
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drop table t1;
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#
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# Bug found by Monty.
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#
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drop table if exists t3, t2, 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)) TYPE=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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drop table t3,t1,t2;
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#
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# [phi] testing INSERT_METHOD stuff
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#
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drop table if exists t6, t5, t4, t3, t2, t1;
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# first testing of common stuff with new parameters
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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)) TYPE=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)) TYPE=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)) TYPE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;
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show create table t3;
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show create table t4;
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show create table t5;
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show create table t6;
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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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select * from t4 order by b,a limit 3;
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select * from t5 order by b,a limit 3,3;
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select * from t6 order by b,a limit 6,3;
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# now testing inserts and where the data gets written
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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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select * from t2 order by a,b;
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select * from t4 order by a,b;
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# preperation for next test
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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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# now testing whether options are kept by alter table
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alter table t4 UNION=(t1,t2,t3);
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show create table t4;
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select * from t4 order by a,b;
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# testing switching off insert method and inserts again
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alter table t4 INSERT_METHOD=FIRST;
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show create table t4;
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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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select * from t2 order by a,b;
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select * from t3 order by a,b;
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select * from t4 order by a,b;
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select * from t5 order by a,b;
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# auto_increment
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select 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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select * from t2 order by a,b;
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select * from t5 order by a,b;
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select * from t6 order by a,b;
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drop table if exists t6, t5, t4, t3, t2, t1;
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CREATE TABLE t1 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) TYPE=MyISAM;
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INSERT INTO t1 VALUES (1,1), (2,1);
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CREATE TABLE t2 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) TYPE=MyISAM;
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INSERT INTO t2 VALUES (1,2), (2,2);
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CREATE TABLE t ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', KEY a (a,b)) TYPE=MRG_MyISAM UNION=(t1,t2);
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select max(b) from t where a = 2;
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select max(b) from t1 where a = 2;
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drop table if exists t,t1,t2;
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#
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# temporary merge tables
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#
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drop table if exists t1, t2, t3, t4, t5, t6;
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create table t1 (a int not null);
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create table t2 (a int not null);
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insert into t1 values (1);
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insert into t2 values (2);
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create temporary table t3 (a int not null) TYPE=MERGE UNION=(t1,t2);
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select * from t3;
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create temporary table t4 (a int not null);
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create temporary table t5 (a int not null);
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insert into t4 values (1);
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insert into t5 values (2);
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create temporary table t6 (a int not null) TYPE=MERGE UNION=(t4,t5);
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select * from t6;
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drop table if exists t6, t5, t4, t3, t2, t1;
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#
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# testing merge::records_in_range and optimizer
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#
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DROP TABLE IF EXISTS t1, t2;
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CREATE TABLE t1 (
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fileset_id tinyint(3) unsigned NOT NULL default '0',
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file_code varchar(32) NOT NULL default '',
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fileset_root_id tinyint(3) unsigned NOT NULL default '0',
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PRIMARY KEY (fileset_id,file_code),
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KEY files (fileset_id,fileset_root_id)
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) TYPE=MyISAM;
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INSERT INTO t1 VALUES (2, '0000000111', 1), (2, '0000000112', 1), (2, '0000000113', 1),
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(2, '0000000114', 1), (2, '0000000115', 1), (2, '0000000116', 1), (2, '0000000117', 1),
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(2, '0000000118', 1), (2, '0000000119', 1), (2, '0000000120', 1);
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CREATE TABLE t2 (
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fileset_id tinyint(3) unsigned NOT NULL default '0',
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file_code varchar(32) NOT NULL default '',
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fileset_root_id tinyint(3) unsigned NOT NULL default '0',
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PRIMARY KEY (fileset_id,file_code),
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KEY files (fileset_id,fileset_root_id)
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) TYPE=MRG_MyISAM UNION=(t1);
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EXPLAIN SELECT * FROM t2 IGNORE INDEX (files) WHERE fileset_id = 2
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AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
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EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
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AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
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EXPLAIN SELECT * FROM t1 WHERE fileset_id = 2
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AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
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EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
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AND file_code = '0000000115' LIMIT 1;
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DROP TABLE IF EXISTS t1, t2;
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#
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# Test of ORDER BY DESC on key (Bug #515)
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#
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create table t1 (x int, y int, index xy(x, y));
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create table t2 (x int, y int, index xy(x, y));
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create table t3 (x int, y int, index xy(x, y)) type=merge union=(t1,t2);
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insert into t1 values(1, 2);
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insert into t2 values(1, 3);
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select * from t3 where x = 1 and y < 5 order by y;
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# Bug is that followng query returns empty set while it must be same as above
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select * from t3 where x = 1 and y < 5 order by y desc;
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drop table t1,t2,t3;
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#
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# Bug#5232: CREATE TABLE ... SELECT
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#
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create table t1 (a int);
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create table t2 (a int);
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insert into t1 values (0);
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insert into t2 values (1);
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--error 1093
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create table t3 engine=merge union=(t1, t2) select * from t1;
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--error 1093
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create table t3 engine=merge union=(t1, t2) select * from t2;
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drop table t1, t2;
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#
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# Bug#9112 - Merge table with composite index producing invalid results with some queries
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# This test case will fail only without the bugfix and some
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# non-deterministic circumstances. It depends on properly initialized
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# "un-initialized" memory. At the time it happens with a standard
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# non-debug build. But there is no guarantee that this will be always so.
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#
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create table t1 (
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a double(14,4),
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b varchar(10),
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index (a,b)
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) engine=merge union=(t2,t3);
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create table t2 (
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a double(14,4),
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b varchar(10),
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index (a,b)
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) engine=myisam;
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create table t3 (
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a double(14,4),
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b varchar(10),
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index (a,b)
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) engine=myisam;
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insert into t2 values ( null, '');
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insert into t2 values ( 9999999999.9999, '');
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insert into t3 select * from t2;
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select min(a), max(a) from t1;
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flush tables;
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select min(a), max(a) from t1;
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drop table t1, t2, t3;
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