view db/migrate/044_set_language_length_to_five.rb @ 447:565f82b8ff9c feature_36

added the uniq option to the publicatioin models to remove duplicate authors

class SetLanguageLengthToFive < ActiveRecord::Migration
  def self.up
    change_column :users, :language, :string, :limit => 5, :default => ""
  end

  def self.down
    raise IrreversibleMigration
  end
end