summaryrefslogtreecommitdiff
path: root/lib/sqlalchemy/orm/attributes.py
diff options
context:
space:
mode:
authorMike Bayer <mike_mp@zzzcomputing.com>2012-05-04 19:27:57 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2012-05-04 19:27:57 -0400
commit3757034d2de03f23dabb9456d773e34b8b09edb0 (patch)
tree0744209d92d0fda8344087a92dcec9f8ffb2d4c1 /lib/sqlalchemy/orm/attributes.py
parenta860d12a710e97b03f162336840a8b23a8aaf330 (diff)
downloadsqlalchemy-3757034d2de03f23dabb9456d773e34b8b09edb0.tar.gz
- [bug] Fixed issue in unit of work
whereby setting a non-None self-referential many-to-one relationship to None would fail to persist the change if the former value was not already loaded. [ticket:2477].
Diffstat (limited to 'lib/sqlalchemy/orm/attributes.py')
-rw-r--r--lib/sqlalchemy/orm/attributes.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/attributes.py b/lib/sqlalchemy/orm/attributes.py
index 7625ccead..00d640066 100644
--- a/lib/sqlalchemy/orm/attributes.py
+++ b/lib/sqlalchemy/orm/attributes.py
@@ -627,7 +627,7 @@ class ScalarObjectAttributeImpl(ScalarAttributeImpl):
if current is not None:
ret = [(instance_state(current), current)]
else:
- ret = []
+ ret = [(None, None)]
if self.key in state.committed_state:
original = state.committed_state[self.key]