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Diffstat (limited to 'lib/sqlalchemy/orm/attributes.py')
| -rw-r--r-- | lib/sqlalchemy/orm/attributes.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/attributes.py b/lib/sqlalchemy/orm/attributes.py index 674c57fea..01f19d991 100644 --- a/lib/sqlalchemy/orm/attributes.py +++ b/lib/sqlalchemy/orm/attributes.py @@ -99,6 +99,8 @@ class QueryableAttribute( for base in manager._bases: if key in base: self.dispatch._update(base[key].dispatch) + if base[key].dispatch._active_history: + self.dispatch._active_history = True @util.memoized_property def _supports_population(self): |