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 sb_addchar(&db->b, ' ');
89 if ( db->flags & FLG_AND)
90 sb_addchar(&db->b, '+');
92 sb_add(&db->b, *words, -1);
96 datain.buffer = db->b.str;
97 datain.buffer_length = db->b.strlen;
99 if ( mysql_stmt_bind_param(db->prepareStmt, &datain) )
100 fatal("mysql_stmt_bind_param failed: %s\n", mysql_error(db->conn));
102 res = mysql_stmt_result_metadata(db->prepareStmt);
104 fatal("mysql_stmt_result_metadata failed: %s\n", mysql_error(db->conn));
106 if ( mysql_stmt_execute( db->prepareStmt ) )
107 fatal("mysql_stmt_execute failed: %s\n", mysql_error(db->conn));
109 if (mysql_stmt_bind_result( db->prepareStmt, &dataout))
110 fatal("mysql_stmt_bind_result failed: %s\n", mysql_error(db->conn));
112 if ( mysql_stmt_store_result( db->prepareStmt ) )
113 fatal("mysql_stmt_store_result failed: %s\n", mysql_error(db->conn));
115 if ( !mysql_stmt_fetch( db->prepareStmt) ) {
116 db->db.nres += intout;
118 fatal("mysql_stmt_fetch returns void result\n");
121 mysql_free_result(res);
123 pthread_mutex_lock(&(db->db.nqueryMutex));
125 pthread_mutex_unlock(&(db->db.nqueryMutex));
129 startCreateScheme(ftsDB *adb, int flags) {
130 ftsMY *db = (ftsMY*)adb;
133 if ( flags & FLG_FUNC )
134 report("Flag 'func' is ignored by MySQL\n");
136 if ( flags & (FLG_GIN | FLG_GIST) )
137 report("MySQL doesn't distinguish 'gin' and 'gist' flags\n");
139 if ( mysql_query(db->conn, "DROP TABLE IF EXISTS ftsbench CASCADE;")!= 0 )
140 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
142 if ( mysql_query(db->conn, "CREATE TABLE ftsbench (id int not null, body text) ENGINE MyISAM;")!= 0 )
143 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
147 finishCreateScheme(ftsDB *adb) {
148 ftsMY *db = (ftsMY*)adb;
150 if ( db->flags & (FLG_GIN | FLG_GIST) ) {
151 report("(create index, ");
153 if ( mysql_query(db->conn, "CREATE FULLTEXT INDEX fts ON ftsbench (body);")!= 0 )
154 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
160 if ( mysql_query(db->conn, "OPTIMIZE TABLE ftsbench;")!= 0 )
161 fatal("mysql_query failed: %s\n", mysql_error(db->conn));
167 InsertRow(ftsDB *adb, int id, char *txt) {
168 ftsMY *db = (ftsMY*)adb;
169 static MYSQL_BIND data[2];
170 static unsigned long txtlen;
172 if ( db->prepareStmt == NULL ) {
173 db->prepareStmt = mysql_stmt_init(db->conn);
174 if ( db->prepareStmt == NULL )
175 fatal("mysql_stmt_init failed: %s\n", mysql_error(db->conn));
177 #define INSERT_QUERY "INSERT INTO ftsbench (id, body) VALUES ( ? , ? );"
178 if ( mysql_stmt_prepare( db->prepareStmt, INSERT_QUERY, strlen(INSERT_QUERY) ) != 0 )
179 fatal("mysql_stmt_init failed: %s\n", mysql_error(db->conn));
181 if ( mysql_stmt_param_count(db->prepareStmt) != 2 )
182 fatal("mysql_stmt_param_count: invalid parameter count\n");
184 memset(data, 0, sizeof(data));
185 data[0].buffer_type = MYSQL_TYPE_LONG;
186 data[1].buffer_type = MYSQL_TYPE_BLOB;
187 data[1].length = &txtlen;
191 data[0].buffer = &id;
193 txtlen = (unsigned long) strlen(txt);
194 data[1].buffer = txt;
195 data[1].buffer_length = txtlen;
197 if ( mysql_stmt_bind_param(db->prepareStmt, data) )
198 fatal("mysql_stmt_bind_param failed: %s\n", mysql_error(db->conn));
200 if ( mysql_stmt_execute( db->prepareStmt ) )
201 fatal("mysql_stmt_execute failed: %s\n", mysql_error(db->conn));
206 ftsMY *db = (ftsMY*)adb;
208 mysql_close(db->conn);
212 MYInit(char * connstr) {
213 ftsMY *db = (ftsMY*)malloc(sizeof(ftsMY));
215 memset(db,0,sizeof(ftsMY));
217 db->conn = mysql_init(NULL);
219 if ( !mysql_real_connect(db->conn, NULL, NULL, NULL, connstr, 0, NULL, 0) )
220 fatal("mysql_real_connect failed: %s\n", mysql_error(db->conn));
222 db->db.execQuery = execQuery;
223 db->db.startCreateScheme = startCreateScheme;
224 db->db.finishCreateScheme = finishCreateScheme;
225 db->db.InsertRow = InsertRow;
226 db->db.Close = Close;