db/migrate/033_change_diary_entries_language.rb

   1 class ChangeDiaryEntriesLanguage < ActiveRecord::Migration[4.2]
   2   def self.up
   3     remove_column "diary_entries", "language"
   4     add_column "diary_entries", "language_code", :string, :null => false, :default => "en"
   5   end
   6
   7   def self.down
   8     remove_column "diary_entries", "language_code"
   9     add_column "diary_entries", "language", :string, :limit => 3
  10   end
  11 end