1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
#
# Test of fulltext index
#
drop table if exists t1,t2,t3;
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');
# nl search
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");
# UNION of fulltext's
select * from t1 where MATCH(a,b) AGAINST ("collections") UNION ALL select * from t1 where MATCH(a,b) AGAINST ("indexes");
# boolean search
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 ('"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);
# 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);
#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;
#
# 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 t1.id FROM t2 as ttxt,t1 INNER JOIN t1 as ticket2 ON
ticket2.id = ttxt.ticket
WHERE t1.id = ticket2.ticket and match(ttxt.inhalt) against ('foobar');
INSERT INTO t1 VALUES (3,3);
select t1.id FROM t2 as ttxt,t1
INNER JOIN t1 as ticket2 ON ticket2.id = ttxt.ticket
WHERE t1.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
#
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),
FULLTEXT KEY FT1 (title)
) TYPE=MyISAM;
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)) TYPE=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)) TYPE=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;
|
