diff options
Diffstat (limited to 'lib/sqlalchemy/ext/orderinglist.py')
| -rw-r--r-- | lib/sqlalchemy/ext/orderinglist.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/sqlalchemy/ext/orderinglist.py b/lib/sqlalchemy/ext/orderinglist.py index 67fda44c4..61155731c 100644 --- a/lib/sqlalchemy/ext/orderinglist.py +++ b/lib/sqlalchemy/ext/orderinglist.py @@ -119,7 +119,7 @@ start numbering at 1 or some other integer, provide ``count_from=1``. """ -from ..orm.collections import collection +from ..orm.collections import collection, collection_adapter from .. import util __all__ = ['ordering_list'] @@ -319,7 +319,10 @@ class OrderingList(list): def remove(self, entity): super(OrderingList, self).remove(entity) - self._reorder() + + adapter = collection_adapter(self) + if adapter and adapter._referenced_by_owner: + self._reorder() def pop(self, index=-1): entity = super(OrderingList, self).pop(index) |