diff options
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
| -rw-r--r-- | activerecord/lib/active_record/base.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index ebea4252f9..fd52038647 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -1811,6 +1811,15 @@ MSG @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 + nil + end + end + # Backport dup from 1.9 so that initialize_dup() gets called unless Object.respond_to?(:initialize_dup) def dup # :nodoc: |