Method: Mongoid::Dirty::InstanceMethods#attribute_was

Defined in:
lib/mongoid/dirty.rb

#attribute_was(name) ⇒ Object

Gets the old value for a specific field.

Example:

person = Person.new(:title => "Sir")
person.title = "Madam"
person.attribute_was("title") # "Sir"

Returns:

The old field value.



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# File 'lib/mongoid/dirty.rb', line 47

def attribute_was(name)
  change = modifications[name]
  change ? change[0] : nil
end