############ Это, ска, работает ##############
class Product < ActiveRecord::Base
  include PgSearch

  pg_search_scope :search_by_spare_and_manufacturer,
    using: {
      tsearch: {prefix: true}
    },
    associated_against: {
      spare: [:name, :article],
      manufacturer: [:name],
    }
end
class Manufacturer < ActiveRecord::Base
  include PgSearch
  multisearchable against: :name
end
class Spare < ActiveRecord::Base
  include PgSearch
  multisearchable against: [:article, :name]
end

### А это нет >< ################
class Order < ActiveRecord::Base
  include PgSearch
  multisearchable against: :order_num
  pg_search_scope :search_order,
    against: :order_num,
    using: {
      tsearch: {prefix: true}
    },
    associated_against: {
      # natural_person: [:fio, :phone],
      car: [:number, :vin, :year],
      # legal_person: [:name, :phone, :inn, :kpp],
      # mark: [:name],
      # trademark: [:name]
    }
end
class Car < ActiveRecord::Base
  include PgSearch
  multisearchable against: [:number, :vin, :year]
end