public function bindColumn($column, &$param, $type = PDO::PARAM_STR, $maxlen = -1, $driverdata = null) {
		$type = $this->removeBitFlag($$type, PDO::PARAM_INPUT_OUTPUT);
		$ociParamType = $this->pdo2OciParamConst($type);
		// LOBs
		if ($lob_desc = $this->oci_lob_desc($ociParamType)) {
			$this->_lobs[$this->_lobsCount]['type'] = $ociParamType;
			$this->_lobs[$this->_lobsCount]['lob'] = @oci_new_descriptor($this->ociPdoAdapter->getOciConnection(), $lob_desc);
			$res = $this->_lobs[$this->_lobsCount]['lob'];
			$this->checkError($res);
			$res = @oci_define_by_name($this->stmt, $column, $this->_lobs[$this->_lobsCount]['lob'], $ociParamType);
			$this->checkError($res);
			$this->_lobs[$this->_lobsCount]['var'] = $param;
			$this->_lobs[$this->_lobsCount]['input'] = false;

			$this->_lobsCount++;
		}
		else {
			$res = @oci_define_by_name($this->stmt, $column, $param, $ociParamType);
			$this->checkError($res);
		}

		return $res;
	}