Index: t3lib/class.t3lib_db.php
===================================================================
--- t3lib/class.t3lib_db.php	(revision 7331)
+++ t3lib/class.t3lib_db.php	(working copy)
@@ -1332,17 +1332,17 @@
 		}
 	}
 
+	/**
+	 * Checks if database is connected
+	 *
+	 * @return boolean
+	 */
+	public function isConnected() {
+		return is_resource($this->link);
+	}
 
 
 
-
-
-
-
-
-
-
-
 	/******************************
 	 *
 	 * Debugging
Index: typo3/sysext/dbal/class.ux_t3lib_db.php
===================================================================
--- typo3/sysext/dbal/class.ux_t3lib_db.php	(revision 7331)
+++ typo3/sysext/dbal/class.ux_t3lib_db.php	(working copy)
@@ -2432,6 +2432,25 @@
 	}
 
 	/**
+	 * Checks if database is connected
+	 *
+	 * @return boolean
+	 */
+	public function isConnected() {
+		$result = false;
+		switch ((string)$this->handlerCfg[$this->lastHandlerKey]['type']) {
+			case 'native':
+				$result = is_resource($this->link);
+				break;
+			case 'adodb':
+			case 'userdefined':
+				$result = is_object($this->handlerInstance[$this->lastHandlerKey]) && $this->handlerInstance[$this->lastHandlerKey]->isConnected();
+				break;
+		}
+		return $result;
+	}
+
+	/**
 	 * Initialize handler (connecting to database)
 	 *
 	 * @param	string		Handler key