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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
|
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
i int(10) unsigned not null auto_increment primary key,
a varchar(255) not null,
FULLTEXT KEY (a)
) ENGINE = INNODB;
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
select count(*) from t1 where match a against ('aaaxxx');
count(*)
260
select count(*) from t1 where match a against ('aaayyy');
count(*)
250
select count(*) from t1 where match a against ('aaazzz');
count(*)
255
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
260
select count(*) from t1 where match a against ('aaayyy' in boolean mode);
count(*)
250
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
255
select count(*) from t1 where match a against ('aaaxxx aaayyy aaazzz');
count(*)
765
select count(*) from t1 where match a against ('aaaxxx aaayyy aaazzz' in boolean mode);
count(*)
765
select count(*) from t1 where match a against ('aaax*' in boolean mode);
count(*)
260
select count(*) from t1 where match a against ('aaay*' in boolean mode);
count(*)
250
select count(*) from t1 where match a against ('aaa*' in boolean mode);
count(*)
765
insert t1 (a) values ('aaaxxx'),('aaayyy');
insert t1 (a) values ('aaazzz'),('aaazzz'),('aaazzz'),('aaazzz'),('aaazzz');
select count(*) from t1 where match a against ('aaaxxx');
count(*)
261
select count(*) from t1 where match a against ('aaayyy');
count(*)
251
select count(*) from t1 where match a against ('aaazzz');
count(*)
260
insert t1 (a) values ('aaaxxx 000000');
select count(*) from t1 where match a against ('000000');
count(*)
1
delete from t1 where match a against ('000000');
select count(*) from t1 where match a against ('000000');
count(*)
0
select count(*) from t1 where match a against ('aaaxxx');
count(*)
261
delete from t1 where match a against ('aaazzz');
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
261
select count(*) from t1 where match a against ('aaayyy' in boolean mode);
count(*)
251
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
0
select count(*) from t1 where a = 'aaaxxx';
count(*)
261
select count(*) from t1 where a = 'aaayyy';
count(*)
251
select count(*) from t1 where a = 'aaazzz';
count(*)
0
insert t1 (a) values ('aaaxxx 000000');
select count(*) from t1 where match a against ('000000');
count(*)
1
update t1 set a='aaazzz' where match a against ('000000');
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
261
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
1
update t1 set a='aaazzz' where a = 'aaaxxx';
update t1 set a='aaaxxx' where a = 'aaayyy';
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
251
select count(*) from t1 where match a against ('aaayyy' in boolean mode);
count(*)
0
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
262
drop table t1;
CREATE TABLE t1 (
i int(10) unsigned not null auto_increment primary key,
a varchar(255) not null,
FULLTEXT KEY (a)
) ENGINE = INNODB;
select count(*) from t1 where match a against ('aaaxxx');
count(*)
260
select count(*) from t1 where match a against ('aaayyy');
count(*)
250
select count(*) from t1 where match a against ('aaazzz');
count(*)
255
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
260
select count(*) from t1 where match a against ('aaayyy' in boolean mode);
count(*)
250
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
255
select count(*) from t1 where match a against ('aaaxxx aaayyy aaazzz');
count(*)
765
select count(*) from t1 where match a against ('aaaxxx aaayyy aaazzz' in boolean mode);
count(*)
765
select count(*) from t1 where match a against ('aaax*' in boolean mode);
count(*)
260
select count(*) from t1 where match a against ('aaay*' in boolean mode);
count(*)
250
select count(*) from t1 where match a against ('aaa*' in boolean mode);
count(*)
765
insert t1 (a) values ('aaaxxx'),('aaayyy');
insert t1 (a) values ('aaazzz'),('aaazzz'),('aaazzz'),('aaazzz'),('aaazzz');
select count(*) from t1 where match a against ('aaaxxx');
count(*)
261
select count(*) from t1 where match a against ('aaayyy');
count(*)
251
select count(*) from t1 where match a against ('aaazzz');
count(*)
260
insert t1 (a) values ('aaaxxx 000000');
select count(*) from t1 where match a against ('000000');
count(*)
1
delete from t1 where match a against ('000000');
select count(*) from t1 where match a against ('000000');
count(*)
0
select count(*) from t1 where match a against ('aaaxxx');
count(*)
261
delete from t1 where match a against ('aaazzz');
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
261
select count(*) from t1 where match a against ('aaayyy' in boolean mode);
count(*)
251
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
0
select count(*) from t1 where a = 'aaaxxx';
count(*)
261
select count(*) from t1 where a = 'aaayyy';
count(*)
251
select count(*) from t1 where a = 'aaazzz';
count(*)
0
insert t1 (a) values ('aaaxxx 000000');
select count(*) from t1 where match a against ('000000');
count(*)
1
update t1 set a='aaazzz' where match a against ('000000');
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
261
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
1
update t1 set a='aaazzz' where a = 'aaaxxx';
update t1 set a='aaaxxx' where a = 'aaayyy';
select count(*) from t1 where match a against ('aaaxxx' in boolean mode);
count(*)
251
select count(*) from t1 where match a against ('aaayyy' in boolean mode);
count(*)
0
select count(*) from t1 where match a against ('aaazzz' in boolean mode);
count(*)
262
drop table t1;
set names utf8;
create table t1(a text,fulltext(a)) ENGINE = INNODB collate=utf8_swedish_ci;
insert into t1 values('test test '),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test'),
('test'),('test'),('test'),('test'),('test'),('test'),('test'),('test');
delete from t1 limit 1;
truncate table t1;
insert into t1 values('ab c d');
update t1 set a='ab c d';
select * from t1 where match a against('ab c' in boolean mode);
a
select * from t1 where match a against('ab c' in boolean mode);
a
drop table t1;
set names latin1;
SET NAMES utf8;
CREATE TABLE t1(a VARCHAR(255), FULLTEXT(a)) ENGINE = INNODB DEFAULT CHARSET=utf8;
INSERT INTO t1 VALUES('„MySQL“');
SELECT a FROM t1 WHERE MATCH a AGAINST('“MySQL„' IN BOOLEAN MODE);
a
„MySQL“
DROP TABLE t1;
SET NAMES latin1;
CREATE TABLE t1 (
FTS_DOC_ID BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
id int(10) not null ,
first_name varchar(50) NOT NULL,
last_name varchar(50) NOT NULL,
PRIMARY KEY (FTS_DOC_ID),
UNIQUE KEY idx_1 (first_name, last_name),
FULLTEXT KEY `idx_2` (first_name)
) ENGINE=InnoDB;
INSERT INTO t1 (id, first_name, last_name) VALUES
(10, 'Bart', 'Simpson'),
(11, 'Homer', 'Simpson'),
(12, 'Marge', 'Simpson'),
(13, 'Lisa', 'Simpson'),
(14, 'Maggie', 'Simpson'),
(15, 'Ned', 'Flanders'),
(16, 'Nelson', 'Muntz');
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
SELECT fts_doc_id, first_name, last_name, MATCH(first_name) AGAINST('Homer' IN BOOLEAN MODE) AS score FROM t1;
fts_doc_id first_name last_name score
1 Bart Simpson 0
2 Homer Simpson 0.7141907215118408
4 Lisa Simpson 0
5 Maggie Simpson 0
3 Marge Simpson 0
6 Ned Flanders 0
7 Nelson Muntz 0
DROP TABLE t1;
|