--> keys <-- idfactura_detalle : 87||--> fields <-- descripcion (new)  : ECHTOL * 70 ML||cantidad (new)  : 2||precio_unitario (new)  : 820.00||subtotal (new)  : 1640.00||porcentaje_iva (new)  : 0||iva (new)  : 0||porcentaje_iibb (new)  : 0||iibb (new)  : 0||total (new)  : 1640.00||idfactura (new)  : 78||art_id (new)  : ||ctacte (new)  : 