ODS 完成

etl_billiards/loaders/base_loader.py

@@ -1,19 +1,23 @@
 # -*- coding: utf-8 -*-
 """数据加载器基类"""
 
+import logging
+
+
 class BaseLoader:
     """数据加载器基类"""
-    
-    def __init__(self, db_ops):
+
+    def __init__(self, db_ops, logger=None):
         self.db = db_ops
-    
+        self.logger = logger or logging.getLogger(self.__class__.__name__)
+
     def upsert(self, records: list) -> tuple:
         """
-        执行UPSERT操作
+        执行 UPSERT 操作
         返回: (inserted_count, updated_count, skipped_count)
         """
         raise NotImplementedError("子类需实现 upsert 方法")
-    
+
     def _batch_size(self) -> int:
         """批次大小"""
         return 1000