modify topic transfer

libs/table_scan.py

@@ -149,6 +149,7 @@ class TableSlicerChunk(ITableChunk):
 class TableSlicer(object):
 
     def __init__(self, queryset, chunk_size=None, chunk_count=None, sep_list=None):
+        try:
             logging.info("duan add,before assert queryset")
             assert isinstance(queryset, models.QuerySet)
 
@@ -165,6 +166,8 @@ class TableSlicer(object):
             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")
 
+
+            logging.info("duan add,sep_list:%s" % str(sep_list))
             if sep_list is not None:
                 sep_list = list(sep_list)
             else:
@@ -181,6 +184,8 @@ class TableSlicer(object):
             self._model = queryset.model
             self._query = queryset.query
             self._sep_list = [None] + sep_list + [None]
+        except:
+            logging.error("catch exception,err_msg:%s" % traceback.format_exc())
 
 
     def chunks(self):