Carga de fixtures csv con campos NULL

import.rake

# Adaptación del código de Emili Parreño para cargar fixtures csv [1]
# con la gema fastercsv para los campos NULL [2]
# [1] http://gist.github.com/151213
# [2] http://www.kahfei.com/?p=32

require 'fastercsv'

namespace :db do
  namespace :import do

    task :sections => :environment do
      puts "Importando secciones de la aplicación..."
      FasterCSV.foreach(Rails.root + "/db/import/sections.csv") do |row|
        record = Section.new(
          :name => row[0],
          :section_id => row[1],
          :section_order => row[2]
        )
        record.save
      end
    end

    task :all => :environment do
      Rake::Task['db:import:sections'].execute
    end
  end
end