Method: Dynamoid::Dirty#previous_changes

Defined in:

lib/dynamoid/dirty.rb

#previous_changes ⇒ Object

Returns a hash of attributes that were changed before the model was saved.

person.name # => "bob"
person.name = 'robert'
person.save
person.previous_changes # => {"name" => ["bob", "robert"]}

# File 'lib/dynamoid/dirty.rb', line 112

def previous_changes
  @previously_changed ||= ActiveSupport::HashWithIndifferentAccess.new
end