diff options
Diffstat (limited to 'lib/sqlalchemy/orm/strategy_options.py')
-rw-r--r-- | lib/sqlalchemy/orm/strategy_options.py | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/sqlalchemy/orm/strategy_options.py b/lib/sqlalchemy/orm/strategy_options.py index 276da2ae0..90e4e9661 100644 --- a/lib/sqlalchemy/orm/strategy_options.py +++ b/lib/sqlalchemy/orm/strategy_options.py @@ -364,6 +364,7 @@ class _UnboundLoad(Load): return None token = start_path[0] + if isinstance(token, util.string_types): entity = self._find_entity_basestring(query, token, raiseerr) elif isinstance(token, PropComparator): @@ -407,10 +408,18 @@ class _UnboundLoad(Load): # prioritize "first class" options over those # that were "links in the chain", e.g. "x" and "y" in # someload("x.y.z") versus someload("x") / someload("x.y") - if self._is_chain_link: - effective_path.setdefault(context, "loader", loader) + + if effective_path.is_token: + for path in effective_path.generate_for_superclasses(): + if self._is_chain_link: + path.setdefault(context, "loader", loader) + else: + path.set(context, "loader", loader) else: - effective_path.set(context, "loader", loader) + if self._is_chain_link: + effective_path.setdefault(context, "loader", loader) + else: + effective_path.set(context, "loader", loader) def _find_entity_prop_comparator(self, query, token, mapper, raiseerr): if _is_aliased_class(mapper): |