fuel/core — pull request #584 by crynobone (2011-10-16 13:28:23+00:00)
Title: Only unset $this->_config['connection'] if the connection is successful. 

Only unset $this->_config['connection'] if the connection is successful. This is to ensure any subsequent request occur (mostly Exception would exit but when \Database_Exception is catched by the Application for instance from Unit Testing) it generate a shitload of error