view db/migrate/.svn/text-base/20091205124427_add_versions_sharing.rb.svn-base @ 385:a6f8c0584a92 feature_36

using new bibtex parsing plugin; implementing multipage create bibtex form

class AddVersionsSharing < ActiveRecord::Migration
  def self.up
    add_column :versions, :sharing, :string, :default => 'none', :null => false
    add_index :versions, :sharing
  end

  def self.down
    remove_column :versions, :sharing
  end
end