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
|
# Truncate a fts table with hidden fts doc id index but without
# fts index, the hidden index should be kept.
--echo # Case 1 : CREATE FULLTEXT/ID + TRUNCATE
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
body TEXT,
FULLTEXT fidx(title, body)
) ENGINE=InnoDB;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
TRUNCATE TABLE articles;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles DROP KEY fidx;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
TRUNCATE TABLE articles;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
--error ER_FT_MATCHING_KEY_NOT_FOUND
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles ADD FULLTEXT KEY fidx(title, body);
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
DROP TABLE articles;
--echo # Case 2 : CREATE FULLTEXT/ID + ALTER + TRUNCATE
CREATE TABLE articles (
id INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
body TEXT
) ENGINE=InnoDB;
ALTER TABLE articles ADD FULLTEXT KEY fidx(title, body);
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
TRUNCATE TABLE articles;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles DROP KEY fidx;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
TRUNCATE TABLE articles;
--source include/restart_mysqld.inc
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
--error ER_FT_MATCHING_KEY_NOT_FOUND
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles ADD FULLTEXT KEY fidx(title, body);
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
DROP TABLE articles;
--echo # Case 3 : CREATE FULLTEXT + TRUNCATE
CREATE TABLE articles (
title VARCHAR(200),
body TEXT,
FULLTEXT fidx(title, body)
) ENGINE=InnoDB;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
TRUNCATE TABLE articles;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles DROP KEY fidx;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
TRUNCATE TABLE articles;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
--error ER_FT_MATCHING_KEY_NOT_FOUND
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles ADD FULLTEXT KEY fidx(title, body);
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
DROP TABLE articles;
--echo # Case 4 : CREATE FULLTEXT + ALTER + TRUNCATE
CREATE TABLE articles (
title VARCHAR(200),
body TEXT
) ENGINE=InnoDB;
ALTER TABLE articles ADD FULLTEXT KEY fidx(title, body);
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
TRUNCATE TABLE articles;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles DROP KEY fidx;
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
TRUNCATE TABLE articles;
--source include/restart_mysqld.inc
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
--error ER_FT_MATCHING_KEY_NOT_FOUND
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
ALTER TABLE articles ADD FULLTEXT KEY fidx(title, body);
INSERT INTO articles (title, body) VALUES
('MySQL Tutorial','DBMS stands for MySQL DataBase ...');
SELECT title, body FROM articles WHERE
MATCH(title, body) AGAINST('mysql');
DROP TABLE articles;
|
