a1.rb

class CityDocument < ActiveRecord::Base
	include PgSearch

	self.table_name  = 'city_document_view'
	self.primary_key = 'city_id'

	pg_search_scope :_not_so_expensive_search_with_coords, (lambda do |term, lat, lon|
	{
		query: term,

		##
		# not using :associated against anymore
		##
		against: {
			city_name:    'A',
			aliases:      'B',
			region_name:  'C',
			country_name: 'D'
		},
		ignoring: :accents,
		ranked_by: self.complext_script(lat, lon),
		order_with_rank: 'pg_search_rank DESC'
	}
end)

CityDocument._not_so_expensive_search_with_coords('london', 34.54426, -91.96903)