diff options
-rw-r--r-- | activerecord/lib/active_record/associations/association_collection.rb | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb index 692badcc5c..f346a19a3a 100644 --- a/activerecord/lib/active_record/associations/association_collection.rb +++ b/activerecord/lib/active_record/associations/association_collection.rb @@ -397,10 +397,10 @@ module ActiveRecord @target = find_target.map do |f| i = @target.index(f) if i - t = @target.delete_at(i) - keys = ["id"] + t.changes.keys + (f.attribute_names - t.attribute_names) - t.attributes = f.attributes.except(*keys) - t + @target.delete_at(i).tap do |t| + keys = ["id"] + t.changes.keys + (f.attribute_names - t.attribute_names) + t.attributes = f.attributes.except(*keys) + end else f end |