view db/migrate/20091017214519_add_missing_indexes_to_custom_values.rb @ 1087:74407a04925c issue_540

* (publication.rb) - fixed the acts_as_activity query (see diff to previous commit) - not returning duplicate results any longer; added the visible scope to the publication model;
* (init.rb) - created a new public permission - view_publication.

class AddMissingIndexesToCustomValues < ActiveRecord::Migration
  def self.up
    add_index :custom_values, :custom_field_id
  end

  def self.down
    remove_index :custom_values, :custom_field_id
  end
end