find_nth

# File activerecord/lib/active_record/relation/finder_methods.rb, line 529
    def find_nth(index, offset = nil)
      # TODO: once the offset argument is removed we rely on offset_index
      # within find_nth_with_limit, rather than pass it in via
      # find_nth_with_limit_and_offset
      if offset
        ActiveSupport::Deprecation.warn(          Passing an offset argument to find_nth is deprecated,          please use Relation#offset instead..squish)
      end
      if loaded?
        @records[index]
      else
        offset ||= offset_index
        @offsets[offset + index] ||= find_nth_with_limit_and_offset(index, 1, offset: offset).first
      end
    end