/**
  * @see MySQLDatabase::sendQuery()
  */
 public function sendQuery($query, $limit = 0, $offset = 0)
 {
     $startTime = microtime(true);
     $result = parent::sendQuery($query . ($limit > 0 ? " LIMIT " . $limit . " OFFSET " . $offset : ""));
     $endTime = microtime(true);
     $this->time += $endTime - $startTime;
     return $result;
 }