From 884324b8fdf5b5f61391af15237a3648cb22e484 Mon Sep 17 00:00:00 2001
From: Vicky <10212746+haifeng-jiang@user.noreply.gitee.com>
Date: Tue, 27 Oct 2026 13:28:15 +0800
Subject: [PATCH] =?UTF-8?q?chore(sql):=20=E6=B8=85=E7=90=86=E5=8E=86?=
 =?UTF-8?q?=E5=8F=B2=E9=81=97=E7=95=99=E7=9A=84=E5=89=A7=E7=BA=A7=E7=82=B9?=
 =?UTF-8?q?=E8=B5=9E=E6=95=B0=E6=8D=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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。
---
 ...migrate-k109-legacy-drama-like-cleanup.sql | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 sql/migrate-k109-legacy-drama-like-cleanup.sql

diff --git a/sql/migrate-k109-legacy-drama-like-cleanup.sql b/sql/migrate-k109-legacy-drama-like-cleanup.sql
new file mode 100644
index 0000000..90c01fe
--- /dev/null
+++ b/sql/migrate-k109-legacy-drama-like-cleanup.sql
@@ -0,0 +1,23 @@
+-- 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;