def results
      ActiveRecord::Base.connection.tables.each do |table|
        model = table.classify.constantize rescue next

        model.columns.each do |column|
          present = model.respond_to?(:nillify_attributes) && model.nillify_attributes.include?(column.name.to_sym)

          @results << [present, model.name, column.name] if include_column(column)
        end
      end

      @results
    end
def results
      ActiveRecord::Base.connection.tables.each do |table|
        model = table.classify.constantize rescue next

        model.columns.each do |column|
          present = model.respond_to?(:nillify_attributes) && model.nillify_attributes.include?(column.name.to_sym)

          @results << [present, model.name, column.name] if include_column(column)
        end
      end

      @results
    end
A nested array with one row for each column suitable for nillification.