diff options
Diffstat (limited to 'activerecord/lib/active_record/inheritance.rb')
| -rw-r--r-- | activerecord/lib/active_record/inheritance.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb index e630897a4b..13a8352f13 100644 --- a/activerecord/lib/active_record/inheritance.rb +++ b/activerecord/lib/active_record/inheritance.rb @@ -15,6 +15,9 @@ module ActiveRecord # and if the inheritance column is attr accessible, it initializes an # instance of the given subclass instead of the base class def new(*args, &block) + if abstract_class? || self == Base + raise NotImplementedError, "#{self} is an abstract class and can not be instantiated." + end if (attrs = args.first).is_a?(Hash) if subclass = subclass_from_attrs(attrs) return subclass.new(*args, &block) |