view db/migrate/048_allow_null_version_effective_date.rb @ 573:aed210f6095b feature_36

Layout changes for publication edit page.  Still requires correct authorships number in heading, and for the new authorship to be added in its proper place.

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