to_key

to_key()

Instance Public methods

Returns an Enumerable of all key attributes if any is set, regardless if the object is persisted or not. Returns nil if there are no key attributes.

class Person < ActiveRecord::Base
end

person = Person.create
person.to_key # => [1]

Links:

https://github.com/rails/rails/blob/7d196cf360321466c0eefc474bfad1be7e3ea7ab/activemodel/lib/active_model/conversion.rb#L51

doc_ruby_on_rails

2015-06-20 00:00:00

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