Improve perf of Doc.save by preventing a full to_mongo() call just to get the created variable

2019-05-08 23:45:35 +02:00
parent 1907133f99
commit 9ae8fe7c2d
4 changed files with 89 additions and 34 deletions
--- a/mongoengine/base/document.py
+++ b/mongoengine/base/document.py
@@ -293,8 +293,7 @@ class BaseDocument(object):
        """
        Return as SON data ready for use with MongoDB.
        """
-        if not fields:
-            fields = []
+        fields = fields or []

        data = SON()
        data['_id'] = None