ryxeo-glpi-git / htdocs / inc / dbmysql.class.php @ 1c14bcc4
Historique | Voir | Annoter | Télécharger (8,29 ko)
1 | 1c14bcc4 | Eric Seigne | <?php
|
---|---|---|---|
2 | /*
|
||
3 | * @version $Id: dbmysql.class.php 7876 2009-01-23 15:50:37Z moyo $
|
||
4 | -------------------------------------------------------------------------
|
||
5 | GLPI - Gestionnaire Libre de Parc Informatique
|
||
6 | Copyright (C) 2003-2009 by the INDEPNET Development Team.
|
||
7 | |||
8 | http://indepnet.net/ http://glpi-project.org
|
||
9 | -------------------------------------------------------------------------
|
||
10 | |||
11 | LICENSE
|
||
12 | |||
13 | This file is part of GLPI.
|
||
14 | |||
15 | GLPI is free software; you can redistribute it and/or modify
|
||
16 | it under the terms of the GNU General Public License as published by
|
||
17 | the Free Software Foundation; either version 2 of the License, or
|
||
18 | (at your option) any later version.
|
||
19 | |||
20 | GLPI is distributed in the hope that it will be useful,
|
||
21 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
23 | GNU General Public License for more details.
|
||
24 | |||
25 | You should have received a copy of the GNU General Public License
|
||
26 | along with GLPI; if not, write to the Free Software
|
||
27 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
28 | --------------------------------------------------------------------------
|
||
29 | */
|
||
30 | |||
31 | if (!defined('GLPI_ROOT')){ |
||
32 | die("Sorry. You can't access directly to this file"); |
||
33 | } |
||
34 | |||
35 | /**
|
||
36 | * Database class for Mysql
|
||
37 | */
|
||
38 | class DBmysql { |
||
39 | |||
40 | //! Database Host
|
||
41 | var $dbhost = ""; |
||
42 | //! Database User
|
||
43 | var $dbuser = ""; |
||
44 | //! Database Password
|
||
45 | var $dbpassword = ""; |
||
46 | //! Default Database
|
||
47 | var $dbdefault = ""; |
||
48 | //! Database Handler
|
||
49 | var $dbh; |
||
50 | //! Database Error
|
||
51 | var $error = 0; |
||
52 | |||
53 | /// Slave management
|
||
54 | var $slave = false; |
||
55 | /** Is it a first connection ?
|
||
56 | * Indicates if the first connection attempt is successful or not
|
||
57 | * if first attempt fail -> display a warning which indicates
|
||
58 | * that glpi is in readonly
|
||
59 | */
|
||
60 | var $first_connection = true; |
||
61 | /// Is connected to the DB ?
|
||
62 | var $connected = false; |
||
63 | |||
64 | /**
|
||
65 | * Constructor / Connect to the MySQL Database
|
||
66 | *
|
||
67 | * Use dbhost, dbuser, dbpassword and dbdefault
|
||
68 | * Die if connection or database selection failed
|
||
69 | *
|
||
70 | * @return nothing
|
||
71 | */
|
||
72 | function DBmysql(){ |
||
73 | $this->connected=false; |
||
74 | $this->dbh = @mysql_connect($this->dbhost, $this->dbuser, rawurldecode($this->dbpassword)) or $this->error = 1; |
||
75 | if ($this->dbh){ |
||
76 | @mysql_query("SET NAMES '" . (isset($this->dbenc) ? $this->dbenc : "utf8") . "'",$this->dbh); |
||
77 | $select= mysql_select_db($this->dbdefault) or $this->error = 1; |
||
78 | if ($select){ // select ok |
||
79 | $this->connected=true; |
||
80 | }else{ // select wrong |
||
81 | $this->connected=false; |
||
82 | } |
||
83 | } else {
|
||
84 | $this->connected=false; |
||
85 | } |
||
86 | } |
||
87 | /**
|
||
88 | * Execute a MySQL query
|
||
89 | * @param $query Query to execute
|
||
90 | * @return Query result handler
|
||
91 | */
|
||
92 | function query($query) { |
||
93 | global $CFG_GLPI,$DEBUG_SQL,$SQL_TOTAL_REQUEST; |
||
94 | |||
95 | if ($CFG_GLPI["debug"]) { |
||
96 | if ($CFG_GLPI["debug_sql"]){ |
||
97 | $SQL_TOTAL_REQUEST++;
|
||
98 | $DEBUG_SQL["queries"][$SQL_TOTAL_REQUEST]=$query; |
||
99 | |||
100 | if ($CFG_GLPI["debug_profile"]){ |
||
101 | $TIMER=new Script_Timer; |
||
102 | $TIMER->Start_Timer(); |
||
103 | } |
||
104 | } |
||
105 | } |
||
106 | |||
107 | //mysql_ping($this->dbh);
|
||
108 | $res=@mysql_query($query,$this->dbh); |
||
109 | |||
110 | if (!$res) { |
||
111 | $this->DBmysql(); |
||
112 | $res=mysql_query($query,$this->dbh); |
||
113 | |||
114 | if (!$res) { |
||
115 | $error = "*** MySQL query error : \n***\nSQL: ".addslashes($query)."\nError: ". mysql_error()."\n"; |
||
116 | if (function_exists("debug_backtrace")) { |
||
117 | $error .= "Backtrace :\n"; |
||
118 | $traces=debug_backtrace(); |
||
119 | foreach ($traces as $trace) { |
||
120 | $error .= $trace["file"] . ":" . $trace["line"] . "\t\t" |
||
121 | . (isset($trace["class"]) ? $trace["class"] : "") |
||
122 | . (isset($trace["type"]) ? $trace["type"] : "") |
||
123 | . (isset($trace["function"]) ? $trace["function"]."()" : "") |
||
124 | . "\n";
|
||
125 | } |
||
126 | } else {
|
||
127 | $error .= "Script: " ; |
||
128 | } |
||
129 | $error .= $_SERVER["SCRIPT_FILENAME"]. "\n"; |
||
130 | logInFile("sql-errors",$error); |
||
131 | |||
132 | if ($CFG_GLPI["debug"]&&$CFG_GLPI["debug_sql"]){ |
||
133 | $DEBUG_SQL["errors"][$SQL_TOTAL_REQUEST]=$this->error(); |
||
134 | } |
||
135 | } |
||
136 | } |
||
137 | |||
138 | if ($CFG_GLPI["debug"]) { |
||
139 | if ($CFG_GLPI["debug_profile"]&&$CFG_GLPI["debug_sql"]){ |
||
140 | $TIME=$TIMER->Get_Time(); |
||
141 | $DEBUG_SQL["times"][$SQL_TOTAL_REQUEST]=$TIME; |
||
142 | } |
||
143 | } |
||
144 | |||
145 | return $res; |
||
146 | } |
||
147 | /**
|
||
148 | * Give result from a mysql result
|
||
149 | * @param $result MySQL result handler
|
||
150 | * @param $i Row to give
|
||
151 | * @param $field Field to give
|
||
152 | * @return Value of the Row $i and the Field $field of the Mysql $result
|
||
153 | */
|
||
154 | function result($result, $i, $field) { |
||
155 | $value=get_magic_quotes_runtime()?stripslashes_deep(mysql_result($result, $i, $field)):mysql_result($result, $i, $field); |
||
156 | return $value; |
||
157 | } |
||
158 | /**
|
||
159 | * Give number of rows of a Mysql result
|
||
160 | * @param $result MySQL result handler
|
||
161 | * @return number of rows
|
||
162 | */
|
||
163 | function numrows($result) { |
||
164 | return mysql_num_rows($result); |
||
165 | } |
||
166 | /**
|
||
167 | * Fetch array of the next row of a Mysql query
|
||
168 | * @param $result MySQL result handler
|
||
169 | * @return result array
|
||
170 | */
|
||
171 | function fetch_array($result) { |
||
172 | $value=get_magic_quotes_runtime()?stripslashes_deep(mysql_fetch_array($result)):mysql_fetch_array($result); |
||
173 | return $value; |
||
174 | } |
||
175 | /**
|
||
176 | * Fetch row of the next row of a Mysql query
|
||
177 | * @param $result MySQL result handler
|
||
178 | * @return result row
|
||
179 | */
|
||
180 | function fetch_row($result) { |
||
181 | $value=get_magic_quotes_runtime()?stripslashes_deep(mysql_fetch_row($result)):mysql_fetch_row($result); |
||
182 | return $value; |
||
183 | } |
||
184 | /**
|
||
185 | * Fetch assoc of the next row of a Mysql query
|
||
186 | * @param $result MySQL result handler
|
||
187 | * @return result associative array
|
||
188 | */
|
||
189 | function fetch_assoc($result) { |
||
190 | $value=get_magic_quotes_runtime()?stripslashes_deep(mysql_fetch_assoc($result)):mysql_fetch_assoc($result); |
||
191 | return $value; |
||
192 | } |
||
193 | /**
|
||
194 | * Move current pointer of a Mysql result to the specific row
|
||
195 | * @param $result MySQL result handler
|
||
196 | * @param $num row to move current pointer
|
||
197 | * @return boolean
|
||
198 | */
|
||
199 | function data_seek($result,$num){ |
||
200 | return mysql_data_seek ($result,$num); |
||
201 | } |
||
202 | /**
|
||
203 | * Give ID of the last insert item by Mysql
|
||
204 | * @return item ID
|
||
205 | */
|
||
206 | function insert_id() { |
||
207 | return mysql_insert_id($this->dbh); |
||
208 | } |
||
209 | /**
|
||
210 | * Give number of fields of a Mysql result
|
||
211 | * @param $result MySQL result handler
|
||
212 | * @return number of fields
|
||
213 | */
|
||
214 | function num_fields($result) { |
||
215 | return mysql_num_fields($result); |
||
216 | } |
||
217 | /**
|
||
218 | * Give name of a field of a Mysql result
|
||
219 | * @param $result MySQL result handler
|
||
220 | * @param $nb number of column of the field
|
||
221 | * @return name of the field
|
||
222 | */
|
||
223 | function field_name($result,$nb){ |
||
224 | return mysql_field_name($result,$nb); |
||
225 | } |
||
226 | /**
|
||
227 | * Get flags of a field of a mysql result
|
||
228 | * @param $result MySQL result handler
|
||
229 | * @param $field field name
|
||
230 | * @return flags of the field
|
||
231 | */
|
||
232 | function field_flags($result,$field){ |
||
233 | return mysql_field_flags($result,$field); |
||
234 | } |
||
235 | /**
|
||
236 | * List tables in database
|
||
237 | * @param $table table name condition (glpi_% as default to retrieve only glpi tables)
|
||
238 | * @return list of tables
|
||
239 | */
|
||
240 | function list_tables($table="glpi_%") { |
||
241 | return $this->query("SHOW TABLES LIKE '".$table."'"); |
||
242 | } |
||
243 | /**
|
||
244 | * List fields of a table
|
||
245 | * @param $table table name condition
|
||
246 | * @return list of fields
|
||
247 | */
|
||
248 | function list_fields($table) { |
||
249 | $result = $this->query("SHOW COLUMNS FROM `$table`"); |
||
250 | if ($result) { |
||
251 | if ($this->numrows($result) > 0) { |
||
252 | while ($data = mysql_fetch_assoc($result)){ |
||
253 | $ret[$data["Field"]]= $data; |
||
254 | } |
||
255 | return $ret; |
||
256 | } else return array(); |
||
257 | } else return false; |
||
258 | |||
259 | |||
260 | } |
||
261 | /**
|
||
262 | * Get number of affected rows in previous MySQL operation
|
||
263 | * @return number of affected rows on success, and -1 if the last query failed.
|
||
264 | */
|
||
265 | function affected_rows() { |
||
266 | return mysql_affected_rows($this->dbh); |
||
267 | } |
||
268 | /**
|
||
269 | * Free result memory
|
||
270 | * @param $result MySQL result handler
|
||
271 | * @return Returns TRUE on success or FALSE on failure.
|
||
272 | */
|
||
273 | function free_result($result) { |
||
274 | return mysql_free_result($result); |
||
275 | } |
||
276 | /**
|
||
277 | * Returns the numerical value of the error message from previous MySQL operation
|
||
278 | * @return error number from the last MySQL function, or 0 (zero) if no error occurred.
|
||
279 | */
|
||
280 | function errno(){ |
||
281 | return mysql_errno($this->dbh); |
||
282 | } |
||
283 | |||
284 | /**
|
||
285 | * Returns the text of the error message from previous MySQL operation
|
||
286 | * @return error text from the last MySQL function, or '' (empty string) if no error occurred.
|
||
287 | */
|
||
288 | function error(){ |
||
289 | return mysql_error($this->dbh); |
||
290 | } |
||
291 | /**
|
||
292 | * Close MySQL connection
|
||
293 | * @return TRUE on success or FALSE on failure.
|
||
294 | */
|
||
295 | function close(){ |
||
296 | return @mysql_close($this->dbh); |
||
297 | } |
||
298 | |||
299 | /**
|
||
300 | * is a slave database ?
|
||
301 | * @return boolean
|
||
302 | */
|
||
303 | function isSlave(){ |
||
304 | return $this->slave; |
||
305 | } |
||
306 | } |
||
307 | ?> |