async def getcp_discountrecord(ns):
    """
        查看历史客户折扣
    """
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        if ns:
            ns['del_flg'] = '0'
            ns['sort'] = 'start_date desc'
            cp_discount = await sor.R('discount', ns)
            ns.pop('id')
            ns['customerid'] = cp_discount[0]['customerid']
            ns['productid'] = cp_discount[0]['productid']
            cp_discount = await sor.R('discount', ns)
            return {'status': True, 'data': cp_discount}
        return {'status': False, 'msg': '获取失败'}

ret = await getcp_discountrecord(params_kw)
return ret