annotate db/migrate/.svn/text-base/048_allow_null_version_effective_date.rb.svn-base @ 425:4ecbc22579e2 feature_36

started creating the show view for one publication

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