Module: ActiveRecord::AttributeMethods::PrimaryKey

Extended by:: ActiveSupport::Concern

Defined in:: lib/active_record/attribute_methods/primary_key.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

#to_key ⇒ Object

Returns this record’s primary key value wrapped in an Array or nil if the record is a new_record?.

Instance Method Details

#to_key ⇒ `Object`

Returns this record’s primary key value wrapped in an Array or nil if the record is a new_record?



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# File 'lib/active_record/attribute_methods/primary_key.rb', line 8

def to_key
  new_record? ? nil : [ id ]
end