Merge pull request #36 from yfilali/master

Adding iterable and length to SQLAlchemyConnectionField

Author: syrusakbary

graphene_sqlalchemy/fields.py

@@ -28,7 +28,7 @@ def connection_resolver(cls, resolver, connection, model, root, args, context, i
             _len = iterable.count()
         else:
             _len = len(iterable)
-        return connection_from_list_slice(
+        connection = connection_from_list_slice(
             iterable,
             args,
             slice_start=0,
@@ -38,6 +38,9 @@ def connection_resolver(cls, resolver, connection, model, root, args, context, i
             pageinfo_type=PageInfo,
             edge_type=connection.Edge,
         )
+        connection.iterable = iterable
+        connection.length = _len
+        return connection
 
     def get_resolver(self, parent_resolver):
         return partial(self.connection_resolver, parent_resolver, self.type, self.model)