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
|
SET @optimize=@@GLOBAL.INNODB_OPTIMIZE_FULLTEXT_ONLY;
SET GLOBAL INNODB_OPTIMIZE_FULLTEXT_ONLY=1;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
content TEXT
) ENGINE= InnoDB;
SET STATEMENT debug_dbug='+d,innodb_report_deadlock' FOR
CREATE FULLTEXT INDEX idx ON articles (title, content);
ERROR HY000: Got error 11 "Resource temporarily unavailable" from storage engine InnoDB
CREATE FULLTEXT INDEX idx ON articles (title, content);
INSERT INTO articles (title, content) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...'),
('How To Use MySQL Well','After you went through a ...'),
('Optimizing MySQL','In this tutorial we will show ...'),
('1001 MySQL Tricks','How to use full-text search engine'),
('Go MySQL Tricks','How to use full text search engine');
SET @aux=@@GLOBAL.innodb_ft_aux_table;
SET GLOBAL innodb_ft_aux_table='test/articles';
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 4 4 1 4 0
after 2 2 1 2 22
database 1 1 1 1 37
dbms 1 1 1 1 15
engine 4 5 2 4 46
engine 4 5 2 5 44
full 4 5 2 4 29
full 4 5 2 5 27
mysql 1 5 5 1 0
mysql 1 5 5 1 31
mysql 1 5 5 2 11
mysql 1 5 5 3 11
mysql 1 5 5 4 5
mysql 1 5 5 5 3
optimizing 3 3 1 3 0
search 4 5 2 4 39
search 4 5 2 5 37
show 3 3 1 3 42
stands 1 1 1 1 20
text 4 5 2 4 34
text 4 5 2 5 32
through 2 2 1 2 37
tricks 4 5 2 4 11
tricks 4 5 2 5 9
tutorial 1 3 2 1 6
tutorial 1 3 2 3 25
use 2 5 3 2 7
use 2 5 3 4 25
use 2 5 3 5 23
well 2 2 1 2 17
went 2 2 1 2 32
you 2 2 1 2 28
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 4 4 1 4 0
after 2 2 1 2 22
database 1 1 1 1 37
dbms 1 1 1 1 15
engine 4 5 2 4 46
engine 4 5 2 5 44
full 4 5 2 4 29
full 4 5 2 5 27
mysql 1 5 5 1 0
mysql 1 5 5 1 31
mysql 1 5 5 2 11
mysql 1 5 5 3 11
mysql 1 5 5 4 5
mysql 1 5 5 5 3
optimizing 3 3 1 3 0
search 4 5 2 4 39
search 4 5 2 5 37
show 3 3 1 3 42
stands 1 1 1 1 20
text 4 5 2 4 34
text 4 5 2 5 32
through 2 2 1 2 37
tricks 4 5 2 4 11
tricks 4 5 2 5 9
tutorial 1 3 2 1 6
tutorial 1 3 2 3 25
use 2 5 3 2 7
use 2 5 3 4 25
use 2 5 3 5 23
well 2 2 1 2 17
went 2 2 1 2 32
you 2 2 1 2 28
SET @save_dbug=@@debug_dbug;
SET debug_dbug='+d,fts_instrument_result_cache_limit';
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 4 4 1 4 0
after 2 2 1 2 22
database 1 1 1 1 37
dbms 1 1 1 1 15
engine 4 5 2 4 46
engine 4 5 2 5 44
full 4 5 2 4 29
full 4 5 2 5 27
mysql 1 5 5 1 0
mysql 1 5 5 1 31
mysql 1 5 5 2 11
mysql 1 5 5 3 11
mysql 1 5 5 4 5
mysql 1 5 5 5 3
optimizing 3 3 1 3 0
search 4 5 2 4 39
search 4 5 2 5 37
show 3 3 1 3 42
stands 1 1 1 1 20
text 4 5 2 4 34
text 4 5 2 5 32
through 2 2 1 2 37
tricks 4 5 2 4 11
tricks 4 5 2 5 9
tutorial 1 3 2 1 6
tutorial 1 3 2 3 25
use 2 5 3 2 7
use 2 5 3 4 25
use 2 5 3 5 23
well 2 2 1 2 17
went 2 2 1 2 32
you 2 2 1 2 28
SET debug_dbug=@save_dbug;
DROP TABLE articles;
SET GLOBAL innodb_ft_result_cache_limit=default;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
content TEXT
) ENGINE= InnoDB;
CREATE FULLTEXT INDEX idx_t ON articles (title);
CREATE FULLTEXT INDEX idx_c ON articles (content);
INSERT INTO articles (title, content) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...'),
('How To Use MySQL Well','After you went through a ...'),
('Optimizing MySQL','In this tutorial we will show ...'),
('1001 MySQL Tricks','How to use full-text search engine'),
('Go MySQL Tricks','How to use full text search engine');
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
SET GLOBAL innodb_ft_aux_table='test/articles';
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 4 4 1 4 0
mysql 1 5 5 1 0
mysql 1 5 5 2 11
mysql 1 5 5 3 11
mysql 1 5 5 4 5
mysql 1 5 5 5 3
optimizing 3 3 1 3 0
tricks 4 5 2 4 11
tricks 4 5 2 5 9
tutorial 1 1 1 1 6
use 2 2 1 2 7
well 2 2 1 2 17
after 2 2 1 2 0
database 1 1 1 1 22
dbms 1 1 1 1 0
engine 4 5 2 4 28
engine 4 5 2 5 28
full 4 5 2 4 11
full 4 5 2 5 11
mysql 1 1 1 1 16
search 4 5 2 4 21
search 4 5 2 5 21
show 3 3 1 3 25
stands 1 1 1 1 5
text 4 5 2 4 16
text 4 5 2 5 16
through 2 2 1 2 15
tutorial 3 3 1 3 8
use 4 5 2 4 7
use 4 5 2 5 7
went 2 2 1 2 10
you 2 2 1 2 6
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
1001 4 4 1 4 0
mysql 1 5 5 1 0
mysql 1 5 5 2 11
mysql 1 5 5 3 11
mysql 1 5 5 4 5
mysql 1 5 5 5 3
optimizing 3 3 1 3 0
tricks 4 5 2 4 11
tricks 4 5 2 5 9
tutorial 1 1 1 1 6
use 2 2 1 2 7
well 2 2 1 2 17
after 2 2 1 2 0
database 1 1 1 1 22
dbms 1 1 1 1 0
engine 4 5 2 4 28
engine 4 5 2 5 28
full 4 5 2 4 11
full 4 5 2 5 11
mysql 1 1 1 1 16
search 4 5 2 4 21
search 4 5 2 5 21
show 3 3 1 3 25
stands 1 1 1 1 5
text 4 5 2 4 16
text 4 5 2 5 16
through 2 2 1 2 15
tutorial 3 3 1 3 8
use 4 5 2 4 7
use 4 5 2 5 7
went 2 2 1 2 10
you 2 2 1 2 6
DROP TABLE articles;
SET NAMES utf8;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200)
) ENGINE=InnoDB DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE FULLTEXT INDEX idx ON articles (title);
INSERT INTO articles (title) VALUES
('相亲相爱'),('怜香惜爱'),('充满可爱'),('爱恨交织');
SET GLOBAL innodb_ft_aux_table="test/articles";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
充满可爱 3 3 1 3 0
怜香惜爱 2 2 1 2 0
爱恨交织 4 4 1 4 0
相亲相爱 1 1 1 1 0
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
充满可爱 3 3 1 3 0
怜香惜爱 2 2 1 2 0
爱恨交织 4 4 1 4 0
相亲相爱 1 1 1 1 0
DROP TABLE articles;
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200)
) ENGINE=InnoDB DEFAULT CHARACTER SET gb2312 COLLATE gb2312_chinese_ci;
CREATE FULLTEXT INDEX idx ON articles (title);
INSERT INTO articles (title) VALUES
('相亲相爱'),('怜香惜爱'),('充满可爱'),('爱恨交织');
SET GLOBAL innodb_ft_aux_table="test/articles";
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_CACHE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
爱恨交织 4 4 1 4 0
充满可爱 3 3 1 3 0
怜香惜爱 2 2 1 2 0
相亲相爱 1 1 1 1 0
OPTIMIZE TABLE articles;
Table Op Msg_type Msg_text
test.articles optimize status OK
SELECT * FROM INFORMATION_SCHEMA.INNODB_FT_INDEX_TABLE;
WORD FIRST_DOC_ID LAST_DOC_ID DOC_COUNT DOC_ID POSITION
怜香惜爱 2 2 1 2 0
充满可爱 3 3 1 3 0
相亲相爱 1 1 1 1 0
爱恨交织 4 4 1 4 0
DROP TABLE articles;
SET GLOBAL innodb_ft_aux_table=@aux;
SET GLOBAL INNODB_OPTIMIZE_FULLTEXT_ONLY=@optimize;
|
