map_key_with_value

# File activerecord/lib/active_record/insert_all.rb, line 55
    def map_key_with_value
      inserts.map do |attributes|
        attributes = attributes.stringify_keys
        attributes.merge!(scope_attributes) if scope_attributes

        verify_attributes(attributes)

        keys.map do |key|
          yield key, attributes[key]
        end
      end
    end