view db/migrate/048_allow_null_version_effective_date.rb @ 693:5163e3ec00b8 feature_36

Feature #293 - The publications index page now has links to both users/authors show pages.

class AllowNullVersionEffectiveDate < ActiveRecord::Migration
  def self.up
    change_column :versions, :effective_date, :date, :default => nil, :null => true
  end

  def self.down
    raise IrreversibleMigration
  end
end