Bring back None check

man-group · Dec 23, 2024 · adee4d7 · adee4d7
1 parent fef67be
commit adee4d7
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/python/arcticdb/version_store/_store.py b/python/arcticdb/version_store/_store.py
@@ -1706,8 +1706,10 @@ def _postprocess_df_with_only_rowcount_idx(self, read_result, row_range):
         )
 
     def _resolve_empty_columns(self, columns, implement_read_index):
-        is_columns_empty = (isinstance(columns, list) and len(columns) == 0) or (
-            isinstance(columns, np.ndarray) and columns.size == 0
+        is_columns_empty = (
+            columns is None
+            or (isinstance(columns, list) and len(columns) == 0)
+            or (isinstance(columns, np.ndarray) and columns.size == 0)
         )
         if not implement_read_index and is_columns_empty:
             columns = None