myisam.test

来自「这是linux下运行的mysql软件包,可用于linux 下安装 php + m」· TEST 代码 · 共 827 行 · 第 1/3 页

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, "Sergei");
update t1 set b=repeat('a',256);
update t1 set i1=0, i2=0, i3=0, i4=0, i5=0, i6=0, i7=0;
check table t1;
delete from t1 where i8=1;
select i1,i2 from t1;
check table t1;
drop table t1;

#
# Test of REPAIR that once failed
#
CREATE TABLE `t1` (
  `post_id` mediumint(8) unsigned NOT NULL auto_increment,
  `topic_id` mediumint(8) unsigned NOT NULL default '0',
  `post_time` datetime NOT NULL default '0000-00-00 00:00:00',
  `post_text` text NOT NULL,
  `icon_url` varchar(10) NOT NULL default '',
  `sign` tinyint(1) unsigned NOT NULL default '0',
  `post_edit` varchar(150) NOT NULL default '',
  `poster_login` varchar(35) NOT NULL default '',
  `ip` varchar(15) NOT NULL default '',
  PRIMARY KEY  (`post_id`),
  KEY `post_time` (`post_time`),
  KEY `ip` (`ip`),
  KEY `poster_login` (`poster_login`),
  KEY `topic_id` (`topic_id`),
  FULLTEXT KEY `post_text` (`post_text`)
) ENGINE=MyISAM;

INSERT INTO t1 (post_text) VALUES ('ceci est un test'),('ceci est un test'),('ceci est un test'),('ceci est un test'),('ceci est un test');

REPAIR TABLE t1;
CHECK TABLE t1;
drop table t1;

#
# Test of creating table with too long key
#

--error 1071
CREATE TABLE t1 (a varchar(255), b varchar(255), c varchar(255), d varchar(255), e varchar(255), KEY t1 (a, b, c, d, e));
CREATE TABLE t1 (a varchar(255), b varchar(255), c varchar(255), d varchar(255), e varchar(255));
--error 1071
ALTER TABLE t1 ADD INDEX t1 (a, b, c, d, e);
DROP TABLE t1;

#
# Test of cardinality of keys with NULL
#

CREATE TABLE t1 (a int not null, b int, c int, key(b), key(c), key(a,b), key(c,a));
INSERT into t1 values (0, null, 0), (0, null, 1), (0, null, 2), (0, null,3), (1,1,4);
create table t2 (a int not null, b int, c int, key(b), key(c), key(a));
INSERT into t2 values (1,1,1), (2,2,2);
optimize table t1;
show index from t1;
explain select * from t1,t2 where t1.a=t2.a;
explain select * from t1,t2 force index(a) where t1.a=t2.a;
explain select * from t1 force index(a),t2 force index(a) where t1.a=t2.a;
explain select * from t1,t2 where t1.b=t2.b;
explain select * from t1,t2 force index(c) where t1.a=t2.a;
explain select * from t1 where a=0 or a=2;
explain select * from t1 force index (a) where a=0 or a=2;
explain select * from t1 where c=1;
explain select * from t1 use index() where c=1;
drop table t1,t2;

#
# Test bug when updating a split dynamic row where keys are not changed
#

create table t1 (a int not null auto_increment primary key, b varchar(255));
insert into t1 (b) values (repeat('a',100)),(repeat('b',100)),(repeat('c',100));
update t1 set b=repeat(left(b,1),200) where a=1;
delete from t1 where (a & 1)= 0;
update t1 set b=repeat('e',200) where a=1;
flush tables;
check table t1;

#
# check updating with keys
#

disable_query_log;
let $1 = 100;
while ($1)
{
  eval insert into t1 (b) values (repeat(char(($1 & 32)+65), $1));
  dec $1;
}
enable_query_log;
update t1 set b=repeat(left(b,1),255) where a between 1 and 5;
update t1 set b=repeat(left(b,1),10) where a between 32 and 43;
update t1 set b=repeat(left(b,1),2) where a between 64 and 66;
update t1 set b=repeat(left(b,1),65) where a between 67 and 70;
check table t1;
insert into t1 (b) values (repeat('z',100));
update t1 set b="test" where left(b,1) > 'n';
check table t1;
drop table t1;

#
# two bugs in myisam-space-stripping feature
#
create table t1 ( a text not null, key a (a(20)));
insert into t1 values ('aaa   '),('aaa'),('aa');
check table t1;
repair table t1;
select concat(a,'.') from t1 where a='aaa';
select concat(a,'.') from t1 where binary a='aaa';
update t1 set a='bbb' where a='aaa';
select concat(a,'.') from t1;
drop table t1;

#
# Third bug in the same code (BUG#2295)
#

create table t1(a text not null, b text not null, c text not null, index (a(10),b(10),c(10)));
insert into t1 values('807780', '477', '165');
insert into t1 values('807780', '477', '162');
insert into t1 values('807780', '472', '162');
select * from t1 where a='807780' and b='477' and c='165';
drop table t1;

#
# space-stripping in _mi_prefix_search: BUG#5284
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a varchar(150) NOT NULL, KEY (a)); 
INSERT t1 VALUES ("can \tcan"); 
INSERT t1 VALUES ("can   can"); 
INSERT t1 VALUES ("can"); 
SELECT * FROM t1;
CHECK TABLE t1;
DROP TABLE t1;

#
# Verify blob handling
#
create table t1 (a blob);
insert into t1 values('a '),('a');
select concat(a,'.') from t1 where a='a';
select concat(a,'.') from t1 where a='a ';
alter table t1 add key(a(2));
select concat(a,'.') from t1 where a='a';
select concat(a,'.') from t1 where a='a ';
drop table t1;

#
# Test text and unique
#
create table t1 (a int not null auto_increment primary key, b text not null, unique b (b(20)));
insert into t1 (b) values ('a'),('b'),('c');
select concat(b,'.') from t1;
update t1 set b='b ' where a=2;
--error 1062
update t1 set b='b  ' where a > 1;
--error 1062
insert into t1 (b) values ('b');
select * from t1;
delete from t1 where b='b';
select a,concat(b,'.') from t1;
drop table t1;

#
# Test keys with 0 segments. (Bug #3203)
#
create table t1 (a int not null);
create table t2 (a int not null, primary key (a));
insert into t1 values (1);
insert into t2 values (1),(2);
select sql_big_result distinct t1.a from t1,t2 order by t2.a;
select distinct t1.a from t1,t2 order by t2.a;
select sql_big_result distinct t1.a from t1,t2;
explain select sql_big_result distinct t1.a from t1,t2 order by t2.a;
explain select distinct t1.a from t1,t2 order by t2.a;
drop table t1,t2;

#
# Bug#14616 - Freshly imported table returns error 124 when using LIMIT
#
create table t1 (
  c1 varchar(32),
  key (c1)
) engine=myisam;
alter table t1 disable keys;
insert into t1 values ('a'), ('b');
select c1 from t1 order by c1 limit 1;
drop table t1;

#
# Test RTREE index
#
--error 1235, 1289
CREATE TABLE t1 (`a` int(11) NOT NULL default '0', `b` int(11) NOT NULL default '0', UNIQUE KEY `a` USING RTREE (`a`,`b`)) ENGINE=MyISAM;
# INSERT INTO t1 VALUES (1,1),(1,1);
# DELETE FROM rt WHERE a<1;
# DROP TABLE IF EXISTS t1;

create table t1 (a int, b varchar(200), c text not null) checksum=1;
create table t2 (a int, b varchar(200), c text not null) checksum=0;
insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, "");
insert t2 select * from t1;
checksum table t1, t2, t3 quick;
checksum table t1, t2, t3;
checksum table t1, t2, t3 extended;
#show table status;
drop table t1,t2;

create table t1 (a int, key (a));
show keys from t1;
alter table t1 disable keys;
show keys from t1;
create table t2 (a int);
let $i=1000;
set @@rand_seed1=31415926,@@rand_seed2=2718281828;
--disable_query_log
while ($i)
{
  dec $i;
  insert t2 values (rand()*100000);
}
--enable_query_log
insert t1 select * from t2;
show keys from t1;
alter table t1 enable keys;
show keys from t1;
alter table t1 engine=heap;
alter table t1 disable keys;
show keys from t1;
drop table t1,t2;

#
# index search for NULL in blob. Bug #4816
#
create table t1 ( a tinytext, b char(1), index idx (a(1),b) );
insert into t1 values (null,''), (null,'');
explain select count(*) from t1 where a is null;
select count(*) from t1 where a is null;
drop table t1;

#
# Bug #8306: TRUNCATE leads to index corruption 
#
create table t1 (c1 int, index(c1));
create table t2 (c1 int, index(c1)) engine=merge union=(t1);
insert into t1 values (1);
# Close all tables.
flush tables;
# Open t2 and (implicitly) t1.
select * from t2;
# Truncate after flush works (unless another threads reopens t2 in between).