diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sqlalchemy/orm/strategies.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/strategies.py b/lib/sqlalchemy/orm/strategies.py index 27ad3d902..28759fb1b 100644 --- a/lib/sqlalchemy/orm/strategies.py +++ b/lib/sqlalchemy/orm/strategies.py @@ -740,14 +740,16 @@ class SubqueryLoader(AbstractRelationshipLoader): ("orig_query", SubqueryLoader), context.query) + subq_mapper = mapperutil._class_to_mapper(subq_path[0]) + # determine attributes of the leftmost mapper - if self.parent.isa(subq_path[0]) and self.key==subq_path[1]: + if self.parent.isa(subq_mapper) and self.key==subq_path[1]: leftmost_mapper, leftmost_prop = \ self.parent, self.parent_property else: leftmost_mapper, leftmost_prop = \ subq_path[0], \ - subq_path[0].get_property(subq_path[1]) + subq_mapper.get_property(subq_path[1]) leftmost_cols, remote_cols = self._local_remote_columns(leftmost_prop) leftmost_attr = [ |