题解 | 商品价格排名

select
    product_id,
    product_name,
    type,
    price
from
    (
        select
            *,
            rank() over (
                partition by
                    type
                order by
                    price desc
            ) as rk
        from
            product_info
    ) as a
where
    a.rk in (1, 2)
order by
    price desc,
    product_name asc
limit
    3