async def resellerDiscountAdd(ns={}):
    """
    add reseller discount
      `id` VARCHAR(32)   comment 'id',
      `resellerid` VARCHAR(32)   comment '分销商id',
      `productid` VARCHAR(32)   comment '产品id',
      `discount` double(18,2)   comment '折扣率',
      `income_pzt` double(18,2)   comment '收入百分比',
      `start_date` date   comment '起效日期',
      `end_date` date   comment '失效日期',
    :param ns:
    :return:
    """
    ns['id'] = uuid()
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        try:
            ns_exists_discount = {
                'resellerid': ns.get('resellerid'),
                'productid': ns.get('productid'),
                'sort': ['start_date']
            }
            ns['del_flg'] = 0
            same_productid = await sor.R('rp_discount', ns_exists_discount)
            insert_date = datetime.datetime.strptime(ns['start_date'], '%Y-%m-%d').date()
            for index, prd in enumerate(same_productid):
                start_date = datetime.datetime.strptime(prd['start_date'], '%Y-%m-%d').date()
                end_date = datetime.datetime.strptime(prd['end_date'], '%Y-%m-%d').date()
                if index == 0 and insert_date < start_date:
                    ns['end_date'] = start_date
                    await sor.C('rp_discount', ns)
                    break
                if index == len(same_productid) - 1 and insert_date > start_date:
                    prd['end_date'] = ns.get('start_date')
                    await sor.U('rp_discount', prd)
                    ns['end_date'] = '9999-12-31'
                    await sor.C('rp_discount', ns)
                    break
                if start_date < insert_date < end_date:
                    ns['end_date'] = prd.get('end_date')
                    prd['end_date'] = ns.get('start_date')
                    await sor.U('rp_discount', prd)
                    await sor.C('rp_discount', ns)
                    break
                if start_date == insert_date:
                    return {
                        "status": False,
                        "msg": "Warning: The current date has already been configured"
                    }
            if not same_productid:
                ns['end_date'] = '9999-12-31'
                await sor.C('rp_discount', ns)

            return {
                "status": True,
                "msg": "reseller discount add success"
            }
        except Exception as e:
            return {
                "status": False,
                "msg": "reseller discount add failed"
            }
	

ret = await resellerDiscountAdd(params_kw)
return ret