feat: 优化DB.py中的缓冲区逻辑，添加调试日志并移除冗余代码

DB.py

@@ -676,10 +676,10 @@ class DBSA:
     FLUSH_EVERY_ROWS = 100
     FLUSH_INTERVAL = 30
 
-    _buf_op: list = []
-    _buf_vid: list = []
-    _buf_payload: list = []
-    _last_flush: float = time.time()
+    _buf_op = []
+    _buf_vid = []
+    _buf_payload = []
+    _last_flush = time.time()
     _lock = threading.Lock()
 
     @staticmethod
@@ -713,12 +713,13 @@ class DBSA:
             "batch": data["batch"],
             "machine": data.get("machine_id", 0),
             "is_piracy": data.get("is_piracy", '3'),
-            "ts_status": 1,  # 默认值
+            "ts_status": 1,
         }
 
         vid_row = {
             "v_id": data["v_id"],
             "v_xid": data["v_xid"],
+            "rn": data["rn"],
             "v_name": data["v_name"],
             "title": data["title"],
             "link": data["link"],
@@ -739,16 +740,19 @@ class DBSA:
             "watch_number": data.get("view", 0),
             "follow_number": data.get("fans", 0),
             "video_number": data.get("videos", 0),
+            "ts_status": 1,
+            "is_repeat": 3,
         }
 
         with cls._lock:
             cls._buf_op.append(op_row)
             cls._buf_vid.append(vid_row)
             cls._buf_payload.append(data)
+            logger.debug(f"加入操作记录: {op_row}")
+            logger.debug(f"加入视频记录: {vid_row}")
 
-            buf_len = len(cls._buf_vid)
-            if buf_len >= cls.FLUSH_EVERY_ROWS or time.time() - cls._last_flush >= cls.FLUSH_INTERVAL:
-                logger.info("DBSA 落盘 ...")
+            if len(cls._buf_vid) >= cls.FLUSH_EVERY_ROWS or time.time() - cls._last_flush >= cls.FLUSH_INTERVAL:
+                logger.info("DBSA 落盘 (ROWS/TIME) ...")
                 cls.flush()
 
     @classmethod
@@ -765,9 +769,12 @@ class DBSA:
         if not op_rows and not vid_rows:
             return
 
-        # 写入作者表
-        authors_map = {}
+        logger.info("DBSA 开始 flush ...")
+        logger.debug(f"flush 操作记录数: {len(op_rows)}")
+        logger.debug(f"flush 视频记录数: {len(vid_rows)}")
+
         now_ts = int(time.time())
+        authors_map = {}
         for data in payloads:
             u_xid = data.get("u_xid")
             if not u_xid:
@@ -786,18 +793,20 @@ class DBSA:
             }
 
         author_rows = list(authors_map.values())
+        logger.debug(f"flush 作者记录数: {len(author_rows)}")
+
         if author_rows:
-            stmt_author = mysql_insert(video_author).values(author_rows)
-            upd_author = {
-                "u_name": stmt_author.inserted.u_name,
-                "u_pic": stmt_author.inserted.u_pic,
-                "follow_number": stmt_author.inserted.follow_number,
-                "v_number": stmt_author.inserted.v_number,
-                "pv_number": stmt_author.inserted.pv_number,
-                "b_number": stmt_author.inserted.b_number,
-                "update_time": stmt_author.inserted.update_time,
+            stmt = mysql_insert(video_author).values(author_rows)
+            upd = {
+                "u_name": stmt.inserted.u_name,
+                "u_pic": stmt.inserted.u_pic,
+                "follow_number": stmt.inserted.follow_number,
+                "v_number": stmt.inserted.v_number,
+                "pv_number": stmt.inserted.pv_number,
+                "b_number": stmt.inserted.b_number,
+                "update_time": stmt.inserted.update_time,
             }
-            ondup = stmt_author.on_duplicate_key_update(**upd_author)
+            ondup = stmt.on_duplicate_key_update(**upd)
             try:
                 cls._execute_with_deadlock_retry(ondup)
             except Exception as e:
@@ -805,7 +814,6 @@ class DBSA:
                 cls.push_record_many(payloads)
                 return
 
-        # 写入操作记录表
         try:
             stmt = video_op.insert().values(op_rows)
             with _engine.begin() as conn:
@@ -816,7 +824,6 @@ class DBSA:
             cls.push_record_many(payloads)
             return
 
-        # 写入视频表（注意不包含 is_repeat / ts_status / rn）
         try:
             stmt = mysql_insert(video).values(vid_rows)
             upd = {
@@ -832,39 +839,11 @@ class DBSA:
             ondup = stmt.on_duplicate_key_update(**upd)
             with _engine.begin() as conn:
                 conn.execute(ondup)
-            logger.info(
-                f"[DBSA] flush 完成：authors={len(author_rows)} 条, "
-                f"op={len(op_rows)} 条, video={len(vid_rows)} 条"
-            )
+            logger.info(f"[DBSA] flush 完成：authors={len(author_rows)} 条, op={len(op_rows)} 条, video={len(vid_rows)} 条")
         except Exception as e:
             logger.error(f"写视频表失败: {e}")
             cls.push_record_many(payloads)
 
-    @classmethod
-    def update_video_stats(cls, locator: dict, stats: dict) -> int:
-        v_xid = locator.get("v_xid")
-        if not v_xid:
-            raise ValueError("locator 必须包含 'v_xid'")
-
-        params = dict(stats)
-        params["updatetime"] = int(time.time())
-        valid_cols = set(video.c.keys())
-        filtered_params = {k: v for k, v in params.items() if k in valid_cols}
-
-        stmt = video.update().where(video.c.v_xid == v_xid).values(**filtered_params)
-        with _engine.begin() as conn:
-            result = conn.execute(stmt)
-        return result.rowcount
-
-    @classmethod
-    def update_video_stats_async(cls, locator: dict, stats: dict) -> None:
-        thread = threading.Thread(
-            target=cls.update_video_stats,
-            args=(locator, stats),
-            daemon=True
-        )
-        thread.start()
-
     @classmethod
     def _execute_with_deadlock_retry(cls, statement):
         for attempt in range(3):
@@ -877,4 +856,4 @@ class DBSA:
                 if code == 1213 and attempt < 2:
                     time.sleep(0.5 * (attempt + 1))
                     continue
-                raise
+                raise