58 lines
1.3 KiB
TypeScript
58 lines
1.3 KiB
TypeScript
import { Client } from "https://deno.land/x/postgres@v0.19.3/mod.ts";
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import { VideoSnapshotType } from "lib/db/schema.d.ts";
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export async function getSongsNearMilestone(client: Client) {
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const queryResult = await client.queryObject<VideoSnapshotType>(`
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WITH max_views_per_aid AS (
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-- 找出每个 aid 的最大 views 值，并确保 aid 存在于 songs 表中
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SELECT
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vs.aid,
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MAX(vs.views) AS max_views
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FROM
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video_snapshot vs
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INNER JOIN
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songs s
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ON
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vs.aid = s.aid
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GROUP BY
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vs.aid
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),
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filtered_max_views AS (
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-- 筛选出满足条件的最大 views
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SELECT
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aid,
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max_views
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FROM
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max_views_per_aid
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WHERE
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(max_views >= 90000 AND max_views < 100000) OR
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(max_views >= 900000 AND max_views < 1000000)
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)
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-- 获取符合条件的完整行数据
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SELECT
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vs.*
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FROM
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video_snapshot vs
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INNER JOIN
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filtered_max_views fmv
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ON
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vs.aid = fmv.aid AND vs.views = fmv.max_views
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`);
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return queryResult.rows.map((row) => {
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return {
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...row,
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aid: Number(row.aid),
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}
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});
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}
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export async function getUnsnapshotedSongs(client: Client) {
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const queryResult = await client.queryObject<{aid: bigint}>(`
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SELECT DISTINCT s.aid
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FROM songs s
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LEFT JOIN video_snapshot v ON s.aid = v.aid
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WHERE v.aid IS NULL;
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`);
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return queryResult.rows.map(row => Number(row.aid));
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}
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