view db/migrate/048_allow_null_version_effective_date.rb @ 113:cede720e8f53 live

* Move tip of the day to the right column (now there is more in the left one)

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