diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_set.rb')
-rw-r--r-- | activerecord/lib/active_record/attribute_set.rb | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/attribute_set.rb b/activerecord/lib/active_record/attribute_set.rb index ee278388a4..026b3cf014 100644 --- a/activerecord/lib/active_record/attribute_set.rb +++ b/activerecord/lib/active_record/attribute_set.rb @@ -60,8 +60,14 @@ module ActiveRecord super end + def deep_dup + dup.tap do |copy| + copy.instance_variable_set(:@attributes, attributes.deep_dup) + end + end + def initialize_dup(_) - @attributes = attributes.deep_dup + @attributes = attributes.dup super end |