diff options
Diffstat (limited to 'activerecord/lib/active_record/core.rb')
| -rw-r--r-- | activerecord/lib/active_record/core.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 366ebde418..d9cb14e4c6 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -310,6 +310,15 @@ module ActiveRecord @attributes.frozen? end + # Allows sort on objects + def <=>(other_object) + if other_object.is_a?(self.class) + self.to_key <=> other_object.to_key + else + super + end + end + # Returns +true+ if the record is read only. Records loaded through joins with piggy-back # attributes will be marked as read only since they cannot be saved. def readonly? |