Index: branches/5.1.x/core/kernel/db/db_connection.php
===================================================================
diff -u -N -r13750 -r14026
--- branches/5.1.x/core/kernel/db/db_connection.php	(.../db_connection.php)	(revision 13750)
+++ branches/5.1.x/core/kernel/db/db_connection.php	(.../db_connection.php)	(revision 14026)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_connection.php 13750 2010-06-09 20:01:41Z alex $
+* @version	$Id: db_connection.php 14026 2010-11-01 19:25:05Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -177,7 +177,7 @@
 		 */
 		function hasError()
 		{
-			return !($this->errorCode == 0);
+			return $this->errorCode != 0;
 		}
 
 		/**
@@ -233,7 +233,8 @@
 		function Connect($host, $user, $pass, $db, $force_new = false)
 		{
 			$func = $this->getMetaFunction('connect');
-			$this->connectionID = $func($host, $user, $pass, $force_new) or trigger_error("Database connection failed, please check your connection settings", defined('IS_INSTALL') && IS_INSTALL ? E_USER_WARNING : E_USER_ERROR);
+			$this->connectionID = $func($host, $user, $pass, $force_new);
+
 			if ($this->connectionID) {
 				if (defined('DBG_SQL_MODE')) {
 					$this->Query('SET sql_mode = \''.DBG_SQL_MODE.'\'');
@@ -244,13 +245,21 @@
 				}
 
 				$this->setDB($db);
-				$this->showError();
 			}
-			else {
-				// simulate error, becase php mysql client doesn't provide such information
-				$this->errorCode = 2003;
-				$this->errorMessage = "Can't connect to MySQL server on '$host' (113)";
+
+			// process error (fatal in most cases)
+			$func = $this->getMetaFunction('errno');
+			$this->errorCode = $this->connectionID ? $func($this->connectionID) : $func();
+
+			if ( !$this->hasError() ) {
+				return ;
 			}
+
+			$func = $this->getMetaFunction('error');
+			$this->errorMessage = $this->connectionID ? $func($this->connectionID) : $func();
+			$error_msg = 'Database connection failed, please check your connection settings.<br/>Error (' . $this->errorCode . '): ' . $this->errorMessage;
+			
+			trigger_error($error_msg, defined('IS_INSTALL') && IS_INSTALL ? E_USER_WARNING : E_USER_ERROR);
 		}
 
 		function ReConnect($host, $user, $pass, $db, $force_new = false)
@@ -269,20 +278,30 @@
 		function showError($sql = '')
 		{
 			$this->setError(0, ''); // reset error
-			if ($this->connectionID) {
-				$func = $this->getMetaFunction('errno'); $this->errorCode = $func($this->connectionID);
-				if ($this->hasError()) {
-					$func = $this->getMetaFunction('error'); $this->errorMessage = $func($this->connectionID);
-					if (is_array($this->errorHandler)) {
-						$func = $this->errorHandler[1];
-						$ret = $this->errorHandler[0]->$func($this->errorCode, $this->errorMessage, $sql);
-					}
-					else {
-						$func = $this->errorHandler;
-						$ret = $func($this->errorCode,$this->errorMessage,$sql);
-					}
-					if (!$ret) exit;
+
+			if (!$this->connectionID) {
+				return ;
+			}
+
+			$func = $this->getMetaFunction('errno');
+			$this->errorCode = $func($this->connectionID);
+
+			if ($this->hasError()) {
+				$func = $this->getMetaFunction('error');
+				$this->errorMessage = $func($this->connectionID);
+
+				if (is_array($this->errorHandler)) {
+					$func = $this->errorHandler[1];
+					$ret = $this->errorHandler[0]->$func($this->errorCode, $this->errorMessage, $sql);
 				}
+				else {
+					$func = $this->errorHandler;
+					$ret = $func($this->errorCode, $this->errorMessage, $sql);
+				}
+
+				if (!$ret) {
+					exit;
+				}
 			}
 		}
 
@@ -297,8 +316,9 @@
 		 */
 		function handleError($code, $msg, $sql)
 		{
-			echo '<b>Processing SQL</b>: '.$sql.'<br>';
-			echo '<b>Error ('.$code.'):</b> '.$msg.'<br>';
+			echo '<strong>Processing SQL</strong>: ' . $sql . '<br/>';
+			echo '<strong>Error (' . $code . '):</strong> ' . $msg . '<br/>';
+
 			return false;
 		}