# File lib/stella/core_ext.rb, line 344
  def to_a
    field_names.collect { |field| 
      v = send(field) 
      if v.nil?
        field_types[field] == String ? 'unknown' : 0.0
      else
        field_types[field] == Float ? v.fineround : v
      end
    }
  end