* -------------------------------------------------------------------- *
* File : lib-mysql3.php *
* -------------------------------------------------------------------- *
- * Short description : Database layer for MySQL +3.x server *
+ * Short description : Database layer for MySQL 3/4/5 server *
* -------------------------------------------------------------------- *
- * Kurzbeschreibung : Datenbankschicht fuer MySQL +3.x Server *
+ * Kurzbeschreibung : Datenbankschicht fuer MySQL 3/4/5 Server *
* -------------------------------------------------------------------- *
* $Revision:: $ *
* $Date:: $ *
* $Tag:: 0.2.1-FINAL $ *
* $Author:: $ *
- * Needs to be in all Files and every File needs "svn propset *
- * svn:keywords Date Revision" (autoprobset!) at least!!!!!! *
* -------------------------------------------------------------------- *
* Copyright (c) 2003 - 2009 by Roland Haeder *
* Copyright (c) 2009, 2010 by Mailer Developer Team *
// SQL queries
function SQL_QUERY ($sqlString, $F, $L, $enableCodes = true) {
- // Trim SQL string
- $sqlString = trim($sqlString);
+ // Do we have cache?
+ if (!isset($GLOBALS[__FUNCTION__][$sqlString])) {
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Called: ' . $sqlString);
+
+ // Trim SQL string
+ $sqlStringModified = trim($sqlString);
+
+ // Empty query string or link is not up?
+ if (empty($sqlStringModified)) {
+ // Empty SQL string!
+ debug_report_bug(__FUNCTION__, __LINE__, sprintf("SQL string is empty. Please fix this. file=%s, line=%s",
+ basename($F),
+ $L
+ ));
+ } elseif (!SQL_IS_LINK_UP()) {
+ // We should not quietly ignore this
+ debug_report_bug(__FUNCTION__, __LINE__, sprintf("Cannot query database: sqlString=%s,file=%s,line=%s",
+ $sqlStringModified,
+ basename($F),
+ $L
+ ));
+ }
- // Link is up?
- if (!SQL_IS_LINK_UP()) {
- // We should not quietly ignore this!
- debug_report_bug(__FUNCTION__, __LINE__, sprintf("Cannot query database: sqlString=%s,file=%s,line=%s",
- $sqlString,
- basename($F),
- $L
- ));
+ // Remove \t, \n and \r from queries they may confuse some MySQL versions
+ $sqlStringModified = str_replace("\t", ' ', str_replace("\n", ' ', str_replace("\r", ' ', $sqlStringModified)));
- // Return 'false' because it has failed
- return false;
- } elseif (empty($sqlString)) {
- // Empty SQL string!
- debug_report_bug(__FUNCTION__, __LINE__, sprintf("SQL string is empty. Please fix this. file=%s, line=%s",
- basename($F),
- $L
- ));
+ // Compile config entries out
+ $sqlStringModified = SQL_PREPARE_SQL_STRING($sqlStringModified, $enableCodes);
- // This is invalid, of course
- return false;
- }
+ // Cache it and remember as last SQL query
+ $GLOBALS[__FUNCTION__][$sqlString] = $sqlStringModified;
+ $GLOBALS['last_sql'] = $sqlStringModified;
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Stored cache: ' . $sqlStringModified);
+ } else {
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Cache used: ' . $sqlString);
- // Remove \t, \n and \r from queries they may confuse some MySQL version I have heard
- $sqlString = str_replace("\t", ' ', str_replace("\n", ' ', str_replace("\r", ' ', $sqlString)));
+ // Use cache (to save a lot function calls
+ $GLOBALS['last_sql'] = $GLOBALS[__FUNCTION__][$sqlString];
- // Compile config entries out
- $GLOBALS['last_sql'] = SQL_PREPARE_SQL_STRING($sqlString, $enableCodes);
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Cache is: ' . $sqlString);
+ }
// Starting time
$querytimeBefore = microtime(true);
// Run SQL command
- //* DEBUG: */ debugOutput('F=' . basename($F) . ',L=' . $L . 'sql=' . encodeEntities($GLOBALS['last_sql']));
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'F=' . basename($F) . ',L=' . $L . ',sql=' . $GLOBALS['last_sql']);
$result = mysql_query($GLOBALS['last_sql'], SQL_GET_LINK())
or debug_report_bug($F, $L, 'file='. basename($F) . ',line=' . $L . ':mysql_error()=' . mysql_error() . "\n".
'Query string:' . $GLOBALS['last_sql']);
- //* DEBUG: */ logDebugMessage($F, $L, 'sql=' . $GLOBALS['last_sql'] . ',affected=' . SQL_AFFECTEDROWS());
+ //* DEBUG: */ logDebugMessage($F, $L, 'sql=' . $GLOBALS['last_sql'] . ',affected=' . SQL_AFFECTEDROWS() . ',numRows='.(is_resource($result) ? SQL_NUMROWS($result) : gettype($result)));
// Calculate query time
$queryTime = microtime(true) - $querytimeBefore;
// Debug output
if ((!isCssOutputMode()) && (isDebugModeEnabled()) && (isSqlDebuggingEnabled())) {
- //
- // Debugging stuff...
- //
- $fp = fopen(getCachePath() . 'mysql.log', 'a') or debug_report_bug(__FUNCTION__, __LINE__, 'Cannot write mysql.log!');
+ // Is this the first call?
if (!isset($GLOBALS['sql_first_entry'])) {
// Write first entry
- fwrite($fp, 'Module=' . getModule() . "\n");
+ appendLineToFile(getCachePath() . 'mysql.log', 'Module=' . getModule());
$GLOBALS['sql_first_entry'] = true;
} // END - if
- fwrite($fp, $F . '(LINE=' . $L . '|NUM=' . SQL_NUMROWS($result) . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . $queryTime . '): ' . str_replace("\r", '', str_replace("\n", ' ', $GLOBALS['last_sql'])) . "\n");
- fclose($fp);
+
+ // Append debug line
+ appendLineToFile(getCachePath() . 'mysql.log', $F . '(LINE=' . $L . '|NUM=' . SQL_NUMROWS($result) . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . $queryTime . '): ' . str_replace("\r", '', str_replace("\n", ' ', $GLOBALS['last_sql'])));
} // END - if
// Count DB hits
}
// SQL fetch array
-function SQL_FETCHARRAY ($res, $nr=0) {
+function SQL_FETCHARRAY ($res) {
// Is a result resource set?
if ((!is_resource($res)) || (!SQL_IS_LINK_UP())) return false;
// Generate query
$query = call_user_func_array('sprintf', $dataSecured);
- // Debugging
- //
- //* DEBUG: */ $fp = fopen(getCachePath() . 'escape_debug.log', 'a') or debug_report_bug(__FUNCTION__, __LINE__, 'Cannot write debug.log!');
- //* DEBUG: */ fwrite($fp, $F . '(' . $L . '): ' . str_replace("\r", '', str_replace("\n", ' ', $eval)) . "\n");
- //* DEBUG: */ fclose($fp);
-
if ($run === true) {
// Run SQL query (default)
return SQL_QUERY($query, $F, $L);
$ret = escapeQuotes($str);
} elseif (function_exists('mysql_real_escape_string')) {
// The new and improved version
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str='.$str);
$ret = mysql_real_escape_string($str, SQL_GET_LINK());
} elseif (function_exists('mysql_escape_string')) {
// The obsolete function
$tableArray = explode(' ', $sql);
$tableName = str_replace('`', '', $tableArray[2]);
+ // Debug log
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ',tableName=' . $tableName);
+
// Shall we add/drop?
- if (((strpos($sql, 'ADD') !== false) || (strpos($sql, 'DROP') !== false)) && ($noIndex === true)) {
+ if (((strpos($sql, 'ADD') !== false) || (strpos($sql, 'DROP') !== false) || (strpos($sql, 'CHANGE') !== false)) && ($noIndex === true)) {
// Try two columns, one should fix
foreach (array(4,5) as $idx) {
+ // If an entry is not set, abort here
+ if (!isset($tableArray[$idx])) {
+ // Debug log this
+ logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ' is missing!');
+ break;
+ } // END - if
+
// And column name as well
$columnName = str_replace('`', '', $tableArray[$idx]);
$result = SQL_QUERY_ESC("SHOW COLUMNS FROM `%s` LIKE '%s'",
array($tableName, $columnName), __FUNCTION__, __LINE__);
- // Do we have no entry on ADD or an entry on DROP?
- // 123 4 4 3 3 4 4 32 23 4 4 3 3 4 4 321
- if (((SQL_HASZERONUMS($result)) && (strpos($sql, 'ADD') !== false)) || ((SQL_NUMROWS($result) == 1) && (strpos($sql, 'DROP') !== false))) {
+ // Debug log
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ',hasZeroNums=' . intval(SQL_HASZERONUMS($result)));
+
+ // Do we have no entry on ADD or an entry on DROP/CHANGE?
+ // 123 4 43 3 4 4 32 23 4 4 3 3 4 4 32 23 4 43 3 4 4 3 3 321
+ if (((SQL_HASZERONUMS($result)) && (strpos($sql, 'ADD') !== false)) || ((!SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) || ((!SQL_HASZERONUMS($result)) && (strpos($sql, 'CHANGE') !== false) && ($idx == 4))) {
// Do the query
//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Executing: ' . $sql);
$result = SQL_QUERY($sql, $F, $L, false);
// Skip further attempt(s)
break;
- } elseif ((((SQL_NUMROWS($result) == 1) && (strpos($sql, 'ADD') !== false)) || ((SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false))) && ($columnName != 'KEY')) {
+ // 1234 5 54 4 5 5 43 34 5 54 4 5 5 43 3 4 4 32 2 21
+ } elseif ((((!SQL_HASZERONUMS($result)) && (strpos($sql, 'ADD') !== false)) || ((!SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) || (strpos($sql, 'CHANGE') !== false)) && ($columnName != 'KEY')) {
// Abort here because it is alreay there
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Skipped: ' . $sql);
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Skipped: sql=' . $sql . ',columnName=' . $columnName . ',idx=' . $idx);
+ break;
+ } elseif ((SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) {
+ // Abort here because we tried to drop a column which is not there (never created maybe)
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'No drop: ' . $sql);
break;
} elseif ($columnName != 'KEY') {
- // Something didn't fit
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Possible problem: ' . $sql);
+ // Something didn't fit, we better log it
+ logDebugMessage(__FUNCTION__, __LINE__, 'Possible problem: ' . $sql . ',hasZeroNums=' . intval(SQL_HASZERONUMS($result)) . '');
}
} // END - foreach
} elseif ((getConfig('_TABLE_TYPE') == 'InnoDB') && (strpos($sql, 'FULLTEXT') !== false)) {
// Skip this query silently
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("Skipped FULLTEXT: sql=%s,file=%s,line=%s", $sql, $F, $L));
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("Skipped FULLTEXT: sql=%s,tableName=%s,hasZeroNums=%d,file=%s,line=%s", $sql, $tableName, intval((is_bool($result)) ? 0 : SQL_HASZERONUMS($result)), $F, $L));
} elseif ($noIndex === false) {
// And column name as well
- //* DEBUG: */ debugOutput(__LINE__.':tableArray=<pre>' . print_r($tableArray, true) . '</pre>');
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableArray=<pre>' . print_r($tableArray, true) . '</pre>');
$keyName = str_replace('`', '', $tableArray[5]);
// Is this "UNIQUE" or so? FULLTEXT has been handled the elseif() block above
// Walk through all
while ($content = SQL_FETCHARRAY($result)) {
// Is it found?
- //* DEBUG: */ debugOutput(__LINE__.':columnName='.$keyName.',content=<pre>' . print_r($content, true) . '</pre>');
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName='.$keyName.',content=<pre>' . print_r($content, true) . '</pre>');
if (($content['Key_name'] == $keyName) && ($tableArray[3] == 'ADD')) {
// Skip this query!
//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("ADD: Skiped: %s", $sql));
return (SQL_NUMROWS($result) === 0);
}
+// Wrapper function to make code more readable
+function SQL_HASZEROAFFECTED () {
+ // Just pass it through
+ return (SQL_AFFECTEDROWS() === 0);
+}
+
// Private function to prepare the SQL query string
function SQL_PREPARE_SQL_STRING ($sqlString, $enableCodes = true) {
// Is it already cached?