Module: ActiveRecord::AttributeMethods::PrimaryKey

Extended by:

ActiveSupport::Concern

Defined in:

activerecord/lib/active_record/attribute_methods/primary_key.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary

• #to_key ⇒ Object

  Returns this record’s primary key value wrapped in an Array if one is available.

Methods included from ActiveSupport::Concern

append_features, extended, included

Instance Method Details

#to_key ⇒ Object

Returns this record’s primary key value wrapped in an Array if one is available

# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 7

def to_key
  key = send(self.class.primary_key)
  [key] if key
end