modify topic transfer

libs/table_scan.py

@@ -149,12 +149,21 @@ class TableSlicerChunk(ITableChunk):
 class TableSlicer(object):
 
     def __init__(self, queryset, chunk_size=None, chunk_count=None, sep_list=None):
+        logging.info("duan add,before assert queryset")
         assert isinstance(queryset, models.QuerySet)
+
+        logging.info("duan add,before assert chunk_size")
         assert chunk_size is None or isinstance(chunk_size, six.integer_types)
+
+        logging.info("duan add,before assert chunk_count")
         assert chunk_count is None or isinstance(chunk_count, six.integer_types)
+
+        logging.info("duan add,before assert sep_list")
         assert sep_list is None or isinstance(sep_list, list)
 
+        logging.info("duan add,before assert chunk_size")
         assert (chunk_size is not None) + (chunk_count is not None) + (sep_list is not None) == 1
+        logging.info("duan add,after assert chunk_size")
 
         if sep_list is not None:
             sep_list = list(sep_list)