diff options
Diffstat (limited to 'lib/sqlalchemy')
| -rw-r--r-- | lib/sqlalchemy/orm/interfaces.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/interfaces.py b/lib/sqlalchemy/orm/interfaces.py index 299ccaaaf..b3b8d612d 100644 --- a/lib/sqlalchemy/orm/interfaces.py +++ b/lib/sqlalchemy/orm/interfaces.py @@ -522,7 +522,8 @@ class StrategizedProperty(MapperProperty): @classmethod def strategy_for(cls, **kw): def decorate(dec_cls): - dec_cls._strategy_keys = [] + if not hasattr(dec_cls, '_strategy_keys'): + dec_cls._strategy_keys = [] key = tuple(sorted(kw.items())) cls._all_strategies[cls][key] = dec_cls dec_cls._strategy_keys.append(key) |