Index: branches/5.2.x/core/kernel/db/i_db_connection.php
===================================================================
diff -u -r16662 -r16710
--- branches/5.2.x/core/kernel/db/i_db_connection.php	(.../i_db_connection.php)	(revision 16662)
+++ branches/5.2.x/core/kernel/db/i_db_connection.php	(.../i_db_connection.php)	(revision 16710)
@@ -259,4 +259,14 @@
 		 * @access public
 		 */
 		public function getSlaveLag();
+
+		/**
+		 * Sets an error handler.
+		 *
+		 * @param callable $error_handler Error handler.
+		 *
+		 * @return void
+		 */
+		public function setErrorHandler(callable $error_handler);
+
 	}