2 /************************************************************************
3 * MXChange v0.2.1 Start: 08/29/2004 *
4 * =============== Last change: 08/29/2004 *
6 * -------------------------------------------------------------------- *
7 * File : lib-mysql3.php *
8 * -------------------------------------------------------------------- *
9 * Short description : Database layer for MySQL +3.x server *
10 * -------------------------------------------------------------------- *
11 * Kurzbeschreibung : Datenbankschicht fuer MySQL +3.x Server *
12 * -------------------------------------------------------------------- *
14 * $Date:: 2009-03-06 20:24:32 +0100 (Fr, 06. Mär 2009) $ *
15 * $Tag:: 0.2.1-FINAL $ *
16 * $Author:: stelzi $ *
17 * Needs to be in all Files and every File needs "svn propset *
18 * svn:keywords Date Revision" (autoprobset!) at least!!!!!! *
19 * -------------------------------------------------------------------- *
20 * Copyright (c) 2003 - 2008 by Roland Haeder *
21 * For more information visit: http://www.mxchange.org *
23 * This program is free software; you can redistribute it and/or modify *
24 * it under the terms of the GNU General Public License as published by *
25 * the Free Software Foundation; either version 2 of the License, or *
26 * (at your option) any later version. *
28 * This program is distributed in the hope that it will be useful, *
29 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
30 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
31 * GNU General Public License for more details. *
33 * You should have received a copy of the GNU General Public License *
34 * along with this program; if not, write to the Free Software *
35 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
37 ************************************************************************/
39 // Some security stuff...
40 if (!defined('__SECURITY')) {
41 $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
46 function SQL_QUERY ($sql_string, $F, $L) {
48 if (!SQL_IS_LINK_UP()) return false;
50 // Remove \t, \n and \r from queries they may confuse some MySQL version I have heard
51 $sql_string = str_replace("\t", " ", str_replace("\n", " ", str_replace("\r", " ", $sql_string)));
53 // Replace {!_MYSQL_PREFIX!} with constant, closes #84. Thanks to profi-concept
54 $sql_string = str_replace("{!_MYSQL_PREFIX!}", constant('_MYSQL_PREFIX'), $sql_string);
56 // Replace {!_TABLE_TYPE!} with constant
57 $sql_string = str_replace("{!_TABLE_TYPE!}", constant('_TABLE_TYPE'), $sql_string);
60 $querytimeBefore = array_sum(explode(' ', microtime()));
63 //* DEBUG: */ echo $sql_string."<br />\n";
64 $result = mysql_query($sql_string, SQL_GET_LINK())
65 or addFatalMessage(__FUNCTION__, __LINE__, $F." (".$L."):".mysql_error()."<br />
70 $querytimeAfter = array_sum(explode(' ', microtime()));
72 // Calculate query time
73 $queryTime = $querytimeAfter - $querytimeBefore;
75 // Save last successfull query
76 setConfigEntry('db_last_query', $sql_string);
79 incrementConfigEntry('sql_count');
82 //* DEBUG: */ print "Query=<pre>".$sql_string."</pre>, affected=<strong>".SQL_AFFECTEDROWS()."</strong>, numrows=<strong>".SQL_NUMROWS($result)."</strong><br />\n";
83 if (($GLOBALS['output_mode'] != "1") && ($GLOBALS['output_mode'] != "-1") && (isDebugModeEnabled()) && (isBooleanConstantAndTrue('DEBUG_SQL'))) {
87 $fp = fopen(constant('PATH')."inc/cache/mysql.log", 'a') or mxchange_die("Cannot write mysql.log!");
88 if (!isset($GLOBALS['sql_first_entry'])) {
90 fwrite($fp, "Module=".$GLOBALS['module']."\n");
91 $GLOBALS['sql_first_entry'] = true;
93 fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."|QUERYTIME:".$queryTime."): ".str_replace('\r', "", str_replace('\n', " ", $sql_string))."\n");
98 if (!isConfigEntrySet('db_hits_run')) {
99 // Count in dummy variable
100 setConfigEntry('db_hits_run', 1);
102 // Count to config array
103 incrementConfigEntry('db_hits_run');
111 function SQL_NUMROWS ($result) {
112 // Is the result a valid resource?
113 if (is_resource($result)) {
114 // Get the count of rows from database
115 $lines = mysql_num_rows($result);
117 // Is the result empty? Then we have an error!
118 if (empty($lines)) $lines = 0;
120 // No resource given, no lines found!
127 function SQL_AFFECTEDROWS() {
128 // Valid link resource?
129 if (!SQL_IS_LINK_UP()) return false;
132 $lines = mysql_affected_rows(SQL_GET_LINK());
139 function SQL_FETCHROW($result) {
143 // Is a result resource set?
144 if (!is_resource($result)) return false;
146 $DATA = mysql_fetch_row($result);
151 function SQL_FETCHARRAY($res, $nr=0, $remove_numerical=true) {
152 // Is a result resource set?
153 if (!is_resource($res)) return false;
158 // Load row from database
159 $row = mysql_fetch_array($res);
161 // Return only arrays here
162 if (is_array($row)) {
163 // Shall we remove numerical data here automatically?
164 if ($remove_numerical) {
165 // So let's remove all numerical elements to save memory!
167 for ($idx = 0; $idx < ($max / 2); $idx++) {
176 // Return a false here...
182 function SQL_RESULT ($res, $row, $field) {
183 $result = mysql_result($res, $row, $field);
188 function SQL_CONNECT ($host, $login, $password, $F, $L) {
190 $connect = mysql_connect($host, $login, $password) or addFatalMessage(__FUNCTION__, __LINE__, $F." (".$L."):".mysql_error());
192 // Set the link resource
193 SQL_SET_LINK($connect);
196 // SQL select database
197 function SQL_SELECT_DB ($dbName, $F, $L) {
198 // Is there still a valid link? If not, skip it.
199 if (!SQL_IS_LINK_UP()) return false;
202 return mysql_select_db($dbName, SQL_GET_LINK()) or addFatalMessage(__FUNCTION__, __LINE__, $F." (".$L."):".mysql_error());
206 function SQL_CLOSE ($F, $L) {
207 if (!SQL_IS_LINK_UP()) {
212 // Do we need to update cache/db counter?
213 //* DEBUG: */ echo "DB=".getConfig('db_hits').",CACHE=".getConfig('cache_hits')."<br />\n";
214 if ((GET_EXT_VERSION("cache") >= "0.0.7") && (getConfig('db_hits') > 0) && (getConfig('cache_hits') > 0) && (isCacheInstanceValid())) {
216 incrementConfigEntry('db_hits', getConfig('db_hits_run'));
218 // Update counter for db/cache
219 UPDATE_CONFIG(array("db_hits", "cache_hits"), array(getConfig(('db_hits')), getConfig(('cache_hits'))));
222 // Close database link and forget the link
223 $close = mysql_close(SQL_GET_LINK()) or addFatalMessage(__FUNCTION__, __LINE__, $F." (".$L."):".mysql_error());
233 function SQL_FREERESULT ($result) {
234 if (!is_resource($result)) {
239 $res = mysql_free_result($result);
243 // SQL string escaping
244 function SQL_QUERY_ESC ($qstring, $data, $F, $L, $run=true, $strip=true) {
246 if (!SQL_IS_LINK_UP()) return false;
251 if ($strip === true) {
257 $eval = "\$query = sprintf(\"".$qstring."\"";
258 foreach ($data as $var) {
259 if ((!empty($var)) || ($var === 0)) {
260 $eval .= ", SQL_ESCAPE(\"".$var."\",true,".$strip.")";
269 //* DEBUG: */ $fp = fopen(constant('PATH')."inc/cache/escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
270 //* DEBUG: */ fwrite($fp, $F."(".$L."): ".str_replace("\r", "", str_replace("\n", " ", $eval))."\n");
271 //* DEBUG: */ fclose($fp);
276 // Was the eval() command fine?
277 if ($query == "failed") {
278 // Something went wrong?
279 debug_report_bug("eval={$eval}");
283 // Run SQL query (default)
284 return SQL_QUERY($query, $F, $L);
286 // Return secured string
291 // Get ID from last INSERT command
292 function SQL_INSERTID () {
293 if (!SQL_IS_LINK_UP()) return false;
294 return mysql_insert_id();
297 // Escape a string for the database
298 function SQL_ESCAPE ($str, $secureString=true, $strip=true) {
299 // Secure string first? (which is the default behaviour!)
302 $str = secureString($str, $strip);
305 if (!SQL_IS_LINK_UP()) {
306 // Fall-back to smartAddSlashes() when there is no link
307 return smartAddSlashes($str);
308 } elseif (function_exists('mysql_real_escape_string')) {
309 // The new and improved version
310 //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):str={$str}<br />\n";
311 return mysql_real_escape_string($str, SQL_GET_LINK());
312 } elseif (function_exists('mysql_escape_string')) {
313 // The obsolete function
314 return mysql_escape_string($str, SQL_GET_LINK());
316 // If nothing else works, fall back to smartAddSlashes()
317 return smartAddSlashes($str);
321 // SELECT query string from table, columns and so on... ;-)
322 function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id, $F, $L) {
323 // Is columns an array?
324 if (!is_array($columns)) {
326 trigger_error(sprintf("columns is not array. %s!=array", gettype($columns)));
329 // Prepare the SQL statement
330 $sql = "SELECT `".implode("`, `", $columns)."` FROM `{!_MYSQL_PREFIX!}_%s` WHERE ``='%s' LIMIT 1";
333 return SQL_QUERY_ESC($sql,
341 // ALTER TABLE wrapper function
342 function SQL_ALTER_TABLE ($sql, $F, $L) {
343 // This is the default result...
346 // Determine index/fulltext/unique word
347 // 12 3 3 2 2 3 3 2 2 3 3 21
348 $noIndex = ((eregi("INDEX", $sql) == false) && (eregi("FULLTEXT", $sql) == false) && (eregi("UNIQUE", $sql) == false));
350 // Shall we add/drop?
351 if (((eregi("ADD", $sql) > 0) || (eregi("DROP", $sql) > 0)) && ($noIndex)) {
352 // Extract table name
353 $tableArray = explode(" ", $sql);
354 $tableName = str_replace("`", "", $tableArray[2]);
356 // And column name as well
357 $columnName = str_replace("`", "", $tableArray[4]);
359 // Get column information
360 $result = SQL_QUERY_ESC("SHOW COLUMNS FROM %s LIKE '%s'",
361 array($tableName, $columnName), $F, $L);
363 // Do we have no entry on ADD or an entry on DROP?
364 // 123 4 4 3 3 4 4 32 23 4 4 3 3 4 4 321
365 if (((SQL_NUMROWS($result) == 0) && (eregi("ADD", $sql) > 0)) || ((SQL_NUMROWS($result) == 1) && (eregi("DROP", $sql) > 0))) {
367 $result = SQL_QUERY($sql, $F, $L, false);
370 // Send it to the SQL_QUERY() function
371 $result = SQL_QUERY($sql, $F, $L, false);
378 // Getter for SQL link
379 function SQL_GET_LINK () {
383 // Is it in the globals?
384 if (isset($GLOBALS['sql_link'])) {
386 $link = $GLOBALS['sql_link'];
394 function SQL_SET_LINK ($link) {
395 // Is this a resource or null?
396 if ((!is_resource($link)) && (!is_null($link))) {
397 // This should never happen!
398 trigger_error(sprintf("link is not resource or null. Type: %s", gettype($link)));
402 $GLOBALS['sql_link'] = $link;
405 // Checks if the link is up
406 function SQL_IS_LINK_UP () {
408 $link = SQL_GET_LINK();
411 return (is_resource($link));