diff options
Diffstat (limited to 'lib/sqlalchemy/orm/attributes.py')
| -rw-r--r-- | lib/sqlalchemy/orm/attributes.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/attributes.py b/lib/sqlalchemy/orm/attributes.py index 949eafca4..da9d62d13 100644 --- a/lib/sqlalchemy/orm/attributes.py +++ b/lib/sqlalchemy/orm/attributes.py @@ -143,6 +143,12 @@ class QueryableAttribute(interfaces._MappedAttribute, def __clause_element__(self): return self.comparator.__clause_element__() + def _query_clause_element(self): + """like __clause_element__(), but called specifically + by :class:`.Query` to allow special behavior.""" + + return self.comparator._query_clause_element() + def of_type(self, cls): return QueryableAttribute( self.class_, @@ -153,7 +159,7 @@ class QueryableAttribute(interfaces._MappedAttribute, of_type=cls) def label(self, name): - return self.__clause_element__().label(name) + return self._query_clause_element().label(name) def operate(self, op, *other, **kwargs): return op(self.comparator, *other, **kwargs) |