method

ids_reader

rails latest stable - Class: ActiveRecord::Associations::CollectionAssociation

ids_reader()

public

Implements the ids reader method, e.g. foo.item_ids for Foo.has_many :items

# File activerecord/lib/active_record/associations/collection_association.rb, line 49
      def ids_reader
        if loaded?
          target.pluck(reflection.association_primary_key)
        elsif !target.empty?
          load_target.pluck(reflection.association_primary_key)
        else
          @association_ids ||= scope.pluck(reflection.association_primary_key)
        end
      end

ids_reader

Related methods