diff options
Diffstat (limited to 'lib/sqlalchemy/orm/query.py')
| -rw-r--r-- | lib/sqlalchemy/orm/query.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/query.py b/lib/sqlalchemy/orm/query.py index e257a1cbe..208c7372b 100644 --- a/lib/sqlalchemy/orm/query.py +++ b/lib/sqlalchemy/orm/query.py @@ -414,7 +414,7 @@ class Query(object): raise exceptions.ArgumentError("Unknown lockmode '%s'" % lockmode) if self.mapper.single and self.mapper.polymorphic_on is not None and self.mapper.polymorphic_identity is not None: - whereclause = sql.and_(whereclause, self.mapper.polymorphic_on==self.mapper.polymorphic_identity) + whereclause = sql.and_(whereclause, self.mapper.polymorphic_on.in_(*[m.polymorphic_identity for m in self.mapper.polymorphic_iterator()])) alltables = [] for l in [sql_util.TableFinder(x) for x in from_obj]: |