public function rewind(){
		try{
			$count = count($this);
		} catch(DriverException $e){
			$count = -1;
		}
		if($this->row !== null && $count > 0){
			try{
				$this->seek(0);
			} catch(DriverException $e){
				$clone = clone $this->result;
				$this->result->__destruct();
				$this->result = $clone;
				$this->pointer = 0;
				$this->row = $this->result->fetch();
			}
		} else{
			$this->pointer = 0;
			$this->row = $this->result->fetch();
		}
	}