chore(sql): 清理历史遗留的剧级点赞数据

客户端点赞入口只作用于剧集,13 条 DRAMA 记录为旧模型遗留;
软删并同步校准 drama.like_count。
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Vicky authored and trae-solo-agent committed 2026-10-27 13:28:15 +08:00
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-- Author: fruit.com.cn
-- K109 清理历史遗留的「按整部剧点赞」数据。
-- 产品口径:收藏按剧,点赞与评论按集。客户端点赞入口只作用于当前剧集
-- (targetType = EPISODE),以下 DRAMA 记录均为 2026-10-21 15:49 之前的旧模型遗留。
BEGIN;
UPDATE content_like
SET deleted = 1
WHERE target_type = 'DRAMA' AND deleted = 0;
-- 剧级点赞数由这些行累加而来,随软删一并按实际剩余行数校准,避免详情页展示虚高数字。
UPDATE drama d
SET like_count = sub.cnt
FROM (
SELECT d2.id, COUNT(l.id) AS cnt
FROM drama d2
LEFT JOIN content_like l
ON l.target_type = 'DRAMA' AND l.target_id = d2.id AND l.deleted = 0
GROUP BY d2.id
) sub
WHERE d.id = sub.id AND d.like_count IS DISTINCT FROM sub.cnt;
COMMIT;