006_add_home_zips.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 16 行

#---
# Excerpted from "Agile Web Development with Rails, 2nd Ed."
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
#---
class AddHomeZips < ActiveRecord::Migration
  def self.up
    Zip.create(:zip=>27514, :city=>"Chapel Hill", :state=>"NC") unless Zip.find_by_zip("27514")
    Zip.create(:zip=>27707, :city=>"Durham", :state=>"NC") unless Zip.find_by_zip("27707")
  end

  def self.down
    Zip.delete_all
  end
end