fulltext.test

这是linux下运行的mysql软件包,可用于linux 下安装 php + mysql + apach 的网络配置

#
# Test of fulltext index
#

--disable_warnings
drop table if exists t1,t2,t3;
--enable_warnings

CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
                       ('Full-text indexes', 'are called collections'),
                          ('Only MyISAM tables','support collections'),
             ('Function MATCH ... AGAINST()','is used to do a search'),
        ('Full-text search in MySQL', 'implements vector space model');
SHOW INDEX FROM t1;

# nl search

select * from t1 where MATCH(a,b) AGAINST ("collections");
explain extended select * from t1 where MATCH(a,b) AGAINST ("collections");
select * from t1 where MATCH(a,b) AGAINST ("indexes");
select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
select * from t1 where MATCH(a,b) AGAINST ("only");

# query expansion

select * from t1 where MATCH(a,b) AGAINST ("collections" WITH QUERY EXPANSION);
select * from t1 where MATCH(a,b) AGAINST ("indexes" WITH QUERY EXPANSION);
select * from t1 where MATCH(a,b) AGAINST ("indexes collections" WITH QUERY EXPANSION);

# add_ft_keys() tests

explain select * from t1 where MATCH(a,b) AGAINST ("collections");
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>0;
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>1;
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>=0;
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>=1;
explain select * from t1 where 0<MATCH(a,b) AGAINST ("collections");
explain select * from t1 where 1<MATCH(a,b) AGAINST ("collections");
explain select * from t1 where 0<=MATCH(a,b) AGAINST ("collections");
explain select * from t1 where 1<=MATCH(a,b) AGAINST ("collections");
explain select * from t1 where MATCH(a,b) AGAINST ("collections")>0 and a like '%ll%';

# boolean search

select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
explain extended select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("support  collections" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("support +collections" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("sear*" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("+support +collections" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("+search" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("+search +(support vector)" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);
select *, MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE) as x from t1;
select *, MATCH(a,b) AGAINST("collections support" IN BOOLEAN MODE) as x from t1;

select * from t1 where MATCH a,b AGAINST ("+call* +coll*" IN BOOLEAN MODE);

select * from t1 where MATCH a,b AGAINST ('"support now"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"Now sUPPort"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"now   support"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"text search"  "now support"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"text search" -"now support"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"text search" +"now support"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"text i"' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('"xt indexes"' IN BOOLEAN MODE);

select * from t1 where MATCH a,b AGAINST ('+(support collections) +foobar*' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('+(+(support collections)) +foobar*' IN BOOLEAN MODE);
select * from t1 where MATCH a,b AGAINST ('+collections -supp* -foobar*' IN BOOLEAN MODE);

# bug#2708, bug#3870 crash

select * from t1 where MATCH a,b AGAINST('"space model' IN BOOLEAN MODE);
 
# boolean w/o index:

select * from t1 where MATCH a AGAINST ("search" IN BOOLEAN MODE);
select * from t1 where MATCH b AGAINST ("sear*" IN BOOLEAN MODE);

# UNION of fulltext's
select * from t1 where MATCH(a,b) AGAINST ("collections") UNION ALL select * from t1 where MATCH(a,b) AGAINST ("indexes");

#update/delete with fulltext index

delete from t1 where a like "MySQL%";
update t1 set a='some test foobar' where MATCH a,b AGAINST ('model');
delete from t1 where MATCH(a,b) AGAINST ("indexes");
select * from t1;
drop table t1;

#
# why to scan strings for trunc*
#
create table t1 (a varchar(200) not null, fulltext (a));
insert t1 values ("aaa10 bbb20"), ("aaa20 bbb15"), ("aaa30 bbb10");
select * from t1 where match a against ("+aaa* +bbb*" in boolean mode);
select * from t1 where match a against ("+aaa* +bbb1*" in boolean mode);
select * from t1 where match a against ("+aaa* +ccc*" in boolean mode);
select * from t1 where match a against ("+aaa10 +(bbb*)" in boolean mode);
select * from t1 where match a against ("+(+aaa* +bbb1*)" in boolean mode);
select * from t1 where match a against ("(+aaa* +bbb1*)" in boolean mode);
drop table t1;

#
# Check bug reported by Matthias Urlichs
#

CREATE TABLE t1 (
  id int(11),
  ticket int(11),
  KEY ti (id),
  KEY tit (ticket)
);
INSERT INTO t1 VALUES (2,3),(1,2);

CREATE TABLE t2 (
  ticket int(11),
  inhalt text,
  KEY tig (ticket),
  fulltext index tix (inhalt)
);
INSERT INTO t2 VALUES (1,'foo'),(2,'bar'),(3,'foobar');

select t1.id FROM t2 as ttxt,t1,t1 as ticket2
WHERE ticket2.id = ttxt.ticket AND t1.id = ticket2.ticket and
match(ttxt.inhalt) against ('foobar');

# In the following query MySQL didn't use the fulltext index
select ticket2.id FROM t2 as ttxt,t2 INNER JOIN t1 as ticket2 ON
ticket2.id = t2.ticket
WHERE ticket2.id = ticket2.ticket and match(ttxt.inhalt) against ('foobar');

INSERT INTO t1 VALUES (3,3);
select ticket2.id FROM t2 as ttxt,t2
INNER JOIN t1 as ticket2 ON ticket2.id = t2.ticket
WHERE ticket2.id = ticket2.ticket and
      match(ttxt.inhalt) against ('foobar');

# Check that we get 'fulltext' index in SHOW CREATE

show keys from t2;
show create table t2;

# check for bug reported by Stephan Skusa

select * from t2 where MATCH inhalt AGAINST (NULL);

# MATCH in HAVING (pretty useless, but still it should work)

select * from t2 where  MATCH inhalt AGAINST ('foobar');
select * from t2 having MATCH inhalt AGAINST ('foobar');

#
# check of fulltext errors
#

--error 1283
CREATE TABLE t3 (t int(11),i text,fulltext tix (t,i));
--error 1283
CREATE TABLE t3 (t int(11),i text,
                 j varchar(200) CHARACTER SET latin2,
                 fulltext tix (i,j));

CREATE TABLE t3 (
  ticket int(11),
  inhalt text,
  KEY tig (ticket),
  fulltext index tix (inhalt)
);

--error 1210
select * from t2 where MATCH inhalt AGAINST (t2.inhalt);
--error 1191
select * from t2 where MATCH ticket AGAINST ('foobar');
--error 1210
select * from t2,t3 where MATCH (t2.inhalt,t3.inhalt) AGAINST ('foobar');

drop table t1,t2,t3;

#
# three more bugtests
#

CREATE TABLE t1 (
  id int(11)  auto_increment,
  title varchar(100)  default '',
  PRIMARY KEY  (id),
  KEY ind5 (title)
) ENGINE=MyISAM;

CREATE FULLTEXT INDEX ft1 ON t1(title);
insert into t1 (title) values ('this is a test');
select * from t1 where match title against ('test' in boolean mode);
update t1 set title='this is A test' where id=1;
check table t1;
update t1 set title='this test once revealed a bug' where id=1;
select * from t1;
update t1 set title=NULL where id=1;

drop table t1;

# one more bug - const_table related

CREATE TABLE t1 (a int(11), b text, FULLTEXT KEY (b)) ENGINE=MyISAM;
insert into t1 values (1,"I wonder why the fulltext index doesnt work?");
SELECT * from t1 where MATCH (b) AGAINST ('apples');

insert into t1 values (2,"fullaaa fullzzz");
select * from t1 where match b against ('full*' in boolean mode);

drop table t1;
CREATE TABLE t1 ( id int(11) NOT NULL auto_increment primary key, mytext text NOT NULL, FULLTEXT KEY mytext (mytext)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'my small mouse'),(2,'la-la-la'),(3,'It is so funny'),(4,'MySQL Tutorial');
select 8 from t1;
drop table t1;

#
# Check bug reported by Julian Ladisch
# ERROR 1030: Got error 127 from table handler
#

create table t1 (a text, fulltext key (a));
insert into t1 values ('aaaa');
repair table t1;
select * from t1 where match (a) against ('aaaa');
drop table t1;

#
# bug #283 by jocelyn fournier <[e-mail]>
# FULLTEXT index on a TEXT filed converted to a CHAR field doesn't work anymore
# 

create table t1 ( ref_mag text not null, fulltext (ref_mag));
insert into t1 values ('test');
select ref_mag from t1 where match ref_mag against ('+test' in boolean mode);
alter table t1 change ref_mag ref_mag char (255) not null;
select ref_mag from t1 where match ref_mag against ('+test' in boolean mode);
drop table t1;

#
# bug #942: JOIN
#

create table t1 (t1_id int(11) primary key, name varchar(32));
insert into t1 values (1, 'data1');
insert into t1 values (2, 'data2');
create table t2 (t2_id int(11) primary key, t1_id int(11), name varchar(32));
insert into t2 values (1, 1, 'xxfoo');
insert into t2 values (2, 1, 'xxbar');
insert into t2 values (3, 1, 'xxbuz');
select * from t1 join t2 using(`t1_id`) where match (t1.name, t2.name) against('xxfoo' in boolean mode);

#
# Bug #7858: bug with many short (< ft_min_word_len) words in boolean search
#
select * from t2 where match name against ('*a*b*c*d*e*f*' in boolean mode);
drop table t1,t2;

#
# bug with repair-by-sort and incorrect records estimation
#

create table t1 (a text, fulltext key (a));
insert into t1 select "xxxx yyyy zzzz";
drop table t1;

#
# UTF8
#
SET NAMES latin1;
CREATE TABLE t1 (t text character set utf8 not null, fulltext(t));
INSERT t1 VALUES ('Mit freundlichem Gr