changes() — ActiveRecord::Dirty — Ruby on Rails 2.2.3

changes()

Map of changed attrs => [original value, new value].

person.changes # => {}
person.name = 'bob'
person.changes # => { 'name' => ['bill', 'bob'] }

Source

# File activerecord/lib/active_record/dirty.rb, line 73
    def changes
      changed.inject({}) { |h, attr| h[attr] = attribute_change(attr); h }
    end

Defined in activerecord/lib/active_record/dirty.rb line 73 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Dirty

Signature