view db/migrate/048_allow_null_version_effective_date.rb @ 127:32b5adec7422 cannam

Bug #51: make New Member box show matching users only when at least 2 characters have been typed in search (avoid really long results lists)

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