Really only destroy associated records

lib/paranoia.rb

@@ -135,7 +135,10 @@ class ActiveRecord::Base
       end
       if dependent_reflections.any?
         dependent_reflections.each do |name, _|
-          self.send(name).unscoped.each(&:really_destroy!)
+          associated_records = self.send(name)
+          # Paranoid models will have this method, non-paranoid models will not
+          associated_records = associated_records.with_deleted if associated_records.respond_to?(:with_deleted)
+          associated_records.each(&:really_destroy!)
         end
       end
       destroy!

test/paranoia_test.rb

@@ -309,6 +309,17 @@ class ParanoiaTest < test_framework
     refute RelatedModel.unscoped.exists?(child.id)
   end
 
+  def test_real_destroy_dependent_destroy_after_normal_destroy_does_not_delete_other_children
+    parent_1 = ParentModel.create
+    child_1 = parent_1.very_related_models.create
+
+    parent_2 = ParentModel.create
+    child_2 = parent_2.very_related_models.create
+    parent_1.destroy
+    parent_1.really_destroy!
+    assert RelatedModel.unscoped.exists?(child_2.id)
+  end
+
   if ActiveRecord::VERSION::STRING < "4.1"
     def test_real_destroy
       model = ParanoidModel.new