Fix merge of PR #747

2014-08-27 11:14:43 -05:00
parent 350465c25d c1b202c119
commit bce7ca7ac4
2 changed files with 4 additions and 1 deletions
--- a/mongoengine/document.py
+++ b/mongoengine/document.py
@@ -594,7 +594,9 @@ class Document(BaseDocument):
        index_cls = cls._meta.get('index_cls', True)

        collection = cls._get_collection()
-        if collection.read_preference > 1:
+        # 746: when connection is via mongos, the read preference is not necessarily an indication that
+        # this code runs on a secondary
+        if not collection.is_mongos and collection.read_preference > 1:
            return

        # determine if an index which we are creating includes