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-rw-r--r--lib/sqlalchemy/orm/dynamic.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/dynamic.py b/lib/sqlalchemy/orm/dynamic.py
index c1dea95f1..64353cfaf 100644
--- a/lib/sqlalchemy/orm/dynamic.py
+++ b/lib/sqlalchemy/orm/dynamic.py
@@ -286,6 +286,12 @@ class AppenderMixin(object):
return query
+ def extend(self, iterator):
+ for item in iterator:
+ self.attr.append(
+ attributes.instance_state(self.instance),
+ attributes.instance_dict(self.instance), item, None)
+
def append(self, item):
self.attr.append(
attributes.instance_state(self.instance),