Merge pull request #152 from ludwigschubert/master

Only swap changed attributes which are persistable, i.e. are DB columns.
brendon · Jul 6, 2015 · bd87a59 · bd87a59
2 parents 5e3ceda + 20d9d0d
commit bd87a59
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/lib/acts_as_list/active_record/acts/list.rb b/lib/acts_as_list/active_record/acts/list.rb
@@ -461,8 +461,11 @@ def update_positions
 
           # Temporarily swap changes attributes with current attributes
           def swap_changed_attributes
-            @changed_attributes.each { |k, _| @changed_attributes[k], self[k] =
-              self[k], @changed_attributes[k] }
+            @changed_attributes.each do |k, _|
+              if self.class.column_names.include? k
+                @changed_attributes[k], self[k] = self[k], @changed_attributes[k]
+              end
+            end
           end
 
           def check_scope