/** * Set database name and optionally select that database. * * @param string $database_name * @param bool|true $select_database * @return $this * @throws ConnectionException */ public function &setDatabaseName($database_name, $select_database = true) { if (empty($select_database) || $this->link->select_db($database_name)) { $this->database_name = $database_name; } else { throw new ConnectionException("Failed to select database '{$database_name}'"); } return $this; }