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-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb8
1 files changed, 6 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index 525ac65722..902ad8cb64 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -423,9 +423,13 @@ module ActiveRecord
raise NotImplementedError
end
+ def create_scope
+ scoped.scope_for_create.stringify_keys
+ end
+
def build_record(attributes, options)
- record = reflection.build_association
- record.assign_attributes(scoped.scope_for_create, :without_protection => true)
+ record = reflection.build_association(attributes, options)
+ record.assign_attributes(create_scope.except(*record.changed), :without_protection => true)
record.assign_attributes(attributes, options)
record
end