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src.bluestatic.org Git - isso.git/blob - db_mysql.php
2 /*=====================================================================*\
3 || ###################################################################
4 || # Iris Studios Shared Object Framework [#]version[#]
5 || # Copyright ©2002-[#]year[#] Iris Studios, Inc.
7 || # This program is free software; you can redistribute it and/or modify
8 || # it under the terms of the GNU General Public License as published by
9 || # the Free Software Foundation; version [#]gpl[#] of the License.
11 || # This program is distributed in the hope that it will be useful, but
12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 || # You should have received a copy of the GNU General Public License along
17 || # with this program; if not, write to the Free Software Foundation, Inc.,
18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
19 || ###################################################################
20 \*=====================================================================*/
23 * MySQL Database Abstraction Layer
29 $OBJECT = 'MySQL Database Abstraction Layer';
30 $CLASS = 'MySQL_Database_Driver';
34 * MySQL Database Abstraction Layer
36 * This framework is a function wrapper for MySQL functions so we can have
37 * better error reporting and query reporting.
39 * @author Iris Studios, Inc.
40 * @copyright Copyright ©2002 - [#]year[#], Iris Studios, Inc.
45 class MySQL_Database_Driver
48 * Framework registry object
54 * Database that is used in the application
60 * Determines whether or not errors should be shown
66 * Current error number
72 * Description of current error
78 * Currend open MySQL connexion
90 * Current query string
96 * History of all executed queryies
99 var $history = array();
104 function MySQL_Database_Driver($registry)
106 $this->registry
= $registry;
110 * Connect to a the specified database
112 * @param string Server name
113 * @param string User name
114 * @param string Password
115 * @param bool Use p-connect?
117 * @return bool Result of connect
119 function connect($server, $user, $password, $pconnect)
121 if ($this->link_id
== 0)
125 $this->link_id
= @mysql_pconnect($server, $user, $password);
129 $this->link_id
= @mysql_connect($server, $user, $password);
132 if ($this->link_id
== false)
134 $this->error('Link-Id == false, cannot connect');
138 if (@mysql_select_db($this->database
, $this->link_id
))
144 $this->error('Cannot use the database \'' . $this->database
. '\'');
151 * Send a query to MySQL
153 * @param string Query string
155 * @return integer Resource ID for query
157 function query($query_str)
159 $this->query_id
= @mysql_query($query_str, $this->link_id
);
160 $this->query_str
= $query_str;
161 $this->history
[] = $this->query_str
;
163 if (defined('ISSO_SHOW_QUERIES_LIVE'))
165 if (constant('ISSO_SHOW_QUERIES_LIVE'))
167 print($this->query_str
. '<hr />');
171 if (!$this->query_id
)
173 $this->error('Invalid SQL query');
176 return $this->query_id
;
180 * Escape a string depending on character set
182 * @param string String to be escaped
184 * @return string Escaped string
186 function escape_string($string)
188 return @mysql_real_escape_string($string, $this->link_id
);
192 * Fetch the query result as an array
194 * @param integer Query ID
196 * @return array A row of the query result
198 function fetch_array($query_id)
200 return @mysql_fetch_array($query_id, MYSQL_ASSOC
);
204 * Fetch the query result as an object
206 * @param integer Query ID
208 * @return object An object with the query result
210 function fetch_object($query_id)
212 return @mysql_fetch_object($query_id);
216 * Free the current MySQL query result
218 * @param integer Query ID
220 function free_result($query_id)
222 @mysql_free_result($query_id);
224 $this->query_str
= '';
228 * Send a MySQL query and return the first row of the results
230 * @param string Query string
231 * @param string Result return function (in the database layer)
233 * @return mixed Results in variable formats
235 function query_first($query_str, $callback = 'fetch_array')
237 $resource = $this->query($query_str);
238 $return = $this->$callback($resource);
239 $this->free_result($resource);
244 * Fetch the unique ID of the record just inserted
246 * @return integer MySQL insert ID
250 return @mysql_insert_id($this->link_id
);
254 * Fetch the number of rows in the result
256 * @param integer Query ID
258 * @return integer Number of MySQL rows
260 function num_rows($query_id)
262 return @mysql_num_rows($query_id);
266 * Fetch the number of rows affected by the query
268 * @param integer Query ID
270 * @return integer Number of affected rows
272 function affected_rows($query_id)
274 return @mysql_affected_rows($this->link_id
);
278 * MySQL error wrapper for ISSO::_message()
280 * @param string User defined error message
282 function error($message)
290 $this->error_no
= mysql_errno($this->link_id
);
291 $this->error_str
= mysql_error($this->link_id
);
294 $style['code'] = 'font-family: \'Courier New\', Courier, mono; font-size: 11px;';
296 $message_prepped = "<blockquote>\n<p>";
297 $message_prepped .= "\n\t» <strong>Query:</strong>\n<br /> <pre style=\"$style[code]\">" . $this->query_str
."</pre>\n<br />";
298 $message_prepped .= "\n\t» <strong>Error Number:</strong> <span style=\"$style[code]\">" . $this->error_no
. "</span>\n<br />";
299 $message_prepped .= "\n\t» <strong>Error Message:</strong> <span style=\"$style[code]\">" . $this->error_str
. "</span>\n<br />";
300 $message_prepped .= "\n\t» <strong>Additional Notes:</strong> <span style=\"$style[code]\">" . $message . "</span>\n<br />";
301 $message_prepped .= "\n\t» <strong>File:</strong> <span style=\"$style[code]\">" . $_SERVER['PHP_SELF'] . "</span>\n";
302 $message_prepped .= "\n</p>\n</blockquote>";
304 $_isso->_message('Database Error in `<em>' . $_isso->application
. '</em>`', $message_prepped, 3);
310 /*=====================================================================*\
311 || ###################################################################
314 || ###################################################################
315 \*=====================================================================*/