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authorDiana Clarke <diana.joan.clarke@gmail.com>2016-04-05 18:58:21 -0400
committerDiana Clarke <diana.joan.clarke@gmail.com>2016-04-05 18:58:21 -0400
commit0f502fa418e32177ae139afb7a816ff849baeef5 (patch)
tree86b8976d11669f94828631a67d5f565cac765a8f /lib/sqlalchemy/orm/properties.py
parentfdb6ab6a1d5d55d900c388e039835c6433032977 (diff)
downloadsqlalchemy-pr/256.tar.gz
- don't load deferred columns on unexpire for merge with load=False,pr/256
fixes #3488 Co-Authored-By: Mike Bayer <mike_mp@zzzcomputing.com>
Diffstat (limited to 'lib/sqlalchemy/orm/properties.py')
-rw-r--r--lib/sqlalchemy/orm/properties.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/properties.py b/lib/sqlalchemy/orm/properties.py
index 8197e041f..f3dce7541 100644
--- a/lib/sqlalchemy/orm/properties.py
+++ b/lib/sqlalchemy/orm/properties.py
@@ -218,7 +218,8 @@ class ColumnProperty(StrategizedProperty):
impl = dest_state.get_impl(self.key)
impl.set(dest_state, dest_dict, value, None)
elif dest_state.has_identity and self.key not in dest_dict:
- dest_state._expire_attributes(dest_dict, [self.key])
+ dest_state._expire_attributes(
+ dest_dict, [self.key], no_loader=True)
class Comparator(util.MemoizedSlots, PropComparator):
"""Produce boolean, comparison, and other operators for