2 * Copyright (c) 2006 Teodor Sigaev <teodor@sigaev.ru>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 #include <sys/types.h>
37 #include <netinet/in.h>
42 typedef struct ftsMY {
46 MYSQL_STMT *prepareStmt;
51 execQuery(ftsDB *adb, char **words, int flags) {
52 ftsMY *db = (ftsMY*)adb;
53 static MYSQL_BIND datain, dataout;
55 static my_bool isnull, my_error;
56 static unsigned long length;
59 if ( db->prepareStmt == NULL ) {
60 db->prepareStmt = mysql_stmt_init(db->conn);
61 if ( db->prepareStmt == NULL )
62 fatal("mysql_stmt_init failed: %s\n", mysql_error(db->conn));
64 #define SEARCH_QUERY "SELECT count(*) FROM ftsbench WHERE MATCH(body) AGAINST ( ? IN BOOLEAN MODE);"
65 if ( mysql_stmt_prepare( db->prepareStmt, SEARCH_QUERY, strlen(SEARCH_QUERY) ) != 0 )
66 fatal("mysql_stmt_init failed: %s\n", mysql_error(db->conn));
68 if ( mysql_stmt_param_count(db->prepareStmt) != 1 )
69 fatal("mysql_stmt_param_count: invalid parameter count\n");
71 memset(&datain, 0, sizeof(MYSQL_BIND));
72 datain.buffer_type = MYSQL_TYPE_BLOB;
73 datain.length = (unsigned long*)&(db->b.strlen);
75 memset(&dataout, 0, sizeof(MYSQL_BIND));
76 dataout.buffer_type= MYSQL_TYPE_LONG;
77 dataout.buffer= (char *)&intout;
78 dataout.is_null= &isnull;
79 dataout.length= &length;
80 dataout.error= &my_error;
88 if ( db->flags & FLG_OR)
89 sb_add(&db->b, " ", 1);
91 sb_add(&db->b, " +", 2);
93 sb_add(&db->b, *words, -1);
97 datain.buffer = db->b.str;
98 datain.buffer_length = db->b.strlen;
100 if ( mysql_stmt_bind_param(db->prepareStmt, &datain) )
101 fatal("mysql_stmt_bind_param failed: %s\n", mysql_error(db->conn));
103 res = mysql_stmt_result_metadata(db->prepareStmt);
105 fatal("mysql_stmt_result_metadata failed: %s\n", mysql_error(db->conn));
107 if ( mysql_stmt_execute( db->prepareStmt ) )
108 fatal("mysql_stmt_execute failed: %s\n", mysql_error(db->conn));
110 if (mysql_stmt_bind_result( db->prepareStmt, &dataout))
111 fatal("mysql_stmt_bind_result failed: %s\n", mysql_error(db->conn));
113 if ( mysql_stmt_store_result( db->prepareStmt ) )
114 fatal("mysql_stmt_store_result failed: %s\n", mysql_error(db->conn));
116 if ( !mysql_stmt_fetch( db->prepareStmt) ) {
117 db->db.nres += intout;
119 fatal("mysql_stmt_fetch returns void result\n");
122 mysql_free_result(res);
124 pthread_mutex_lock(&(db->db.nqueryMutex));
126 pthread_mutex_unlock(&(db->db.nqueryMutex));
130 startCreateScheme(ftsDB *adb, int flags) {
131 ftsMY *db = (ftsMY*)adb;
134 if ( flags & FLG_FUNC )
135 report("Flag 'func' is ignored by MySQL\n");
137 if ( flags & (FLG_GIN | FLG_GIST) )
138 report("MySQL doesn't distinguish 'gin' and 'gist' flags\n");
140 if ( mysql_query(db->conn, "DROP TABLE IF EXISTS ftsbench CASCADE;")!= 0 )
141 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
143 if ( mysql_query(db->conn, "CREATE TABLE ftsbench (id int not null, body text) ENGINE MyISAM;")!= 0 )
144 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
148 finishCreateScheme(ftsDB *adb) {
149 ftsMY *db = (ftsMY*)adb;
151 if ( db->flags & (FLG_GIN | FLG_GIST) ) {
152 report("(create index, ");
154 if ( mysql_query(db->conn, "CREATE FULLTEXT INDEX fts ON ftsbench (body);")!= 0 )
155 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
161 if ( mysql_query(db->conn, "OPTIMIZE TABLE ftsbench;")!= 0 )
162 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
168 InsertRow(ftsDB *adb, int id, char *txt) {
169 ftsMY *db = (ftsMY*)adb;
170 static MYSQL_BIND data[2];
171 static unsigned long txtlen;
173 if ( db->prepareStmt == NULL ) {
174 db->prepareStmt = mysql_stmt_init(db->conn);
175 if ( db->prepareStmt == NULL )
176 fatal("mysql_stmt_init failed: %s\n", mysql_error(db->conn));
178 #define INSERT_QUERY "INSERT INTO ftsbench (id, body) VALUES ( ? , ? );"
179 if ( mysql_stmt_prepare( db->prepareStmt, INSERT_QUERY, strlen(INSERT_QUERY) ) != 0 )
180 fatal("mysql_stmt_init failed: %s\n", mysql_error(db->conn));
182 if ( mysql_stmt_param_count(db->prepareStmt) != 2 )
183 fatal("mysql_stmt_param_count: invalid parameter count\n");
185 memset(data, 0, sizeof(data));
186 data[0].buffer_type = MYSQL_TYPE_LONG;
187 data[1].buffer_type = MYSQL_TYPE_BLOB;
188 data[1].length = &txtlen;
192 data[0].buffer = &id;
194 txtlen = (unsigned long) strlen(txt);
195 data[1].buffer = txt;
196 data[1].buffer_length = txtlen;
198 if ( mysql_stmt_bind_param(db->prepareStmt, data) )
199 fatal("mysql_stmt_bind_param failed: %s\n", mysql_error(db->conn));
201 if ( mysql_stmt_execute( db->prepareStmt ) )
202 fatal("mysql_stmt_execute failed: %s\n", mysql_error(db->conn));
207 ftsMY *db = (ftsMY*)adb;
209 mysql_close(db->conn);
213 MYInit(char * connstr) {
214 ftsMY *db = (ftsMY*)malloc(sizeof(ftsMY));
216 memset(db,0,sizeof(ftsMY));
218 db->conn = mysql_init(NULL);
220 if ( !mysql_real_connect(db->conn, NULL, NULL, NULL, connstr, 0, NULL, 0) )
221 fatal("mysql_real_connect failed: %s\n", mysql_error(db->conn));
223 db->db.execQuery = execQuery;
224 db->db.startCreateScheme = startCreateScheme;
225 db->db.finishCreateScheme = finishCreateScheme;
226 db->db.InsertRow = InsertRow;
227 db->db.Close = Close;