view db/migrate/048_allow_null_version_effective_date.rb @ 661:6246ad0f9e98 feature_36

More adjustments to ensure search results box is empty when editing, and to ensure it has a minimum width in both new and edit modes. Also a text update

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