gistfile1.rb

  def self.load_from_csv
    columns = column_names.reject{|c| ["created_at", "updated_at", "id"].include?(c)}
    values = []
    FasterCSV.foreach("#{Rails.root}/db/data/my_file.csv", :headers => true) do |row|
      values << row
    end
    import(columns, values, :validate => false, :on_duplicate_key_update => [:field_one, :field_two])
  end