题解 | 每个月Top3的周杰伦歌曲

select
    month,
    ranking,
    song_name,
    play_pv
from
    (
        select
            month,
            row_number() over (
                partition by
                    month
                order by
                    play_pv desc,
                    t.song_id asc
            ) as ranking,
            song_name,
            play_pv
        from
            (
                select
                    month(fdate) as month,
                    count(*) as play_pv,
                    pl.song_id
                from
                    play_log pl
                    inner join song_info si on pl.song_id = si.song_id
                    inner join user_info ui on ui.user_id = pl.user_id
                where
                    year(fdate) = 2022
                    and age >= 18
                    and age <= 25
                    and singer_name = "周杰伦"
                group by
                    month(fdate),
                    pl.song_id
            ) as t
            inner join song_info si on si.song_id = t.song_id
    ) as t
where
    ranking <= 3;