public function oci_lob_desc($type) {
		switch ($type) {
			case OCI_B_BFILE: $result = OCI_D_FILE; break;
			case OCI_B_CFILEE: $result = OCI_D_FILE; break;
			case OCI_B_CLOB:
			case SQLT_CLOB:
			case OCI_B_BLOB:
			case SQLT_BLOB: $result = OCI_D_LOB; break;
			case OCI_B_ROWID: $result = OCI_D_ROWID; break;
			default: $result = false; break;
		}

		return $result;
	}