method

association_primary_key

v4.2.9 - Show latest stable - Class: ActiveRecord::Reflection::AssociationReflection

association_primary_key(klass = nil)

public

klass option is necessary to support loading polymorphic associations

# File activerecord/lib/active_record/reflection.rb, line 338
      def association_primary_key(klass = nil)
        options[:primary_key] || primary_key(klass || self.klass)
      end

association_primary_key

Related methods