view db/migrate/20101107130441_add_custom_fields_visible.rb @ 420:2008fa7fda29 bug_145

Track the project tree explicitly through recursive functions rather than using lft, rgt ordering.  Fixes #145

class AddCustomFieldsVisible < ActiveRecord::Migration
  def self.up
    add_column :custom_fields, :visible, :boolean, :null => false, :default => true
    CustomField.update_all("visible = #{CustomField.connection.quoted_true}")
  end

  def self.down
    remove_column :custom_fields, :visible
  end
end