feat(interaction): 支持游客互动与登录合并

sql/migrate-k105-anonymous-interactions.sql

@@ -0,0 +1,57 @@
+-- 非付费互动支持 deviceId 归属；登录时由应用事务合并到账号。
+
+ALTER TABLE content_like
+    ADD COLUMN IF NOT EXISTS device_id VARCHAR(128) NOT NULL DEFAULT '';
+ALTER TABLE content_like
+    ALTER COLUMN user_id DROP NOT NULL;
+DROP INDEX IF EXISTS uk_content_like;
+CREATE UNIQUE INDEX IF NOT EXISTS uk_content_like_user
+    ON content_like (user_id, target_type, target_id)
+    WHERE user_id IS NOT NULL;
+CREATE UNIQUE INDEX IF NOT EXISTS uk_content_like_device
+    ON content_like (device_id, target_type, target_id)
+    WHERE user_id IS NULL AND device_id <> '';
+CREATE INDEX IF NOT EXISTS idx_content_like_device
+    ON content_like (device_id, created_at DESC)
+    WHERE device_id <> '';
+
+ALTER TABLE user_favorite
+    ADD COLUMN IF NOT EXISTS device_id VARCHAR(128) NOT NULL DEFAULT '';
+ALTER TABLE user_favorite
+    ALTER COLUMN user_id DROP NOT NULL;
+DROP INDEX IF EXISTS uk_user_favorite;
+CREATE UNIQUE INDEX IF NOT EXISTS uk_user_favorite_user
+    ON user_favorite (user_id, drama_id)
+    WHERE user_id IS NOT NULL;
+CREATE UNIQUE INDEX IF NOT EXISTS uk_user_favorite_device
+    ON user_favorite (device_id, drama_id)
+    WHERE user_id IS NULL AND device_id <> '';
+CREATE INDEX IF NOT EXISTS idx_user_favorite_device
+    ON user_favorite (device_id, created_at DESC)
+    WHERE device_id <> '';
+
+ALTER TABLE content_comment
+    ADD COLUMN IF NOT EXISTS device_id VARCHAR(128) NOT NULL DEFAULT '';
+ALTER TABLE content_comment
+    ALTER COLUMN user_id DROP NOT NULL;
+CREATE INDEX IF NOT EXISTS idx_comment_device
+    ON content_comment (device_id, created_at DESC)
+    WHERE user_id IS NULL AND device_id <> '';
+CREATE UNIQUE INDEX IF NOT EXISTS uk_content_comment_user_content
+    ON content_comment (
+        user_id,
+        drama_id,
+        episode_id,
+        parent_id,
+        md5(content)
+    )
+    WHERE user_id IS NOT NULL AND deleted = 0 AND status <> 'deleted';
+CREATE UNIQUE INDEX IF NOT EXISTS uk_content_comment_device_content
+    ON content_comment (
+        device_id,
+        drama_id,
+        episode_id,
+        parent_id,
+        md5(content)
+    )
+    WHERE user_id IS NULL AND device_id <> '' AND deleted = 0 AND status <> 'deleted';