Contents

# Extends AR to add earthdistance functionality.
require "activerecord-postgres-earthdistance/acts_as_geolocated"
module ActiveRecord
  module ConnectionAdapters
    module SchemaStatements

      def add_earthdistance_index table_name, options = {}
        execute "CREATE INDEX %s_earthdistance_ix ON %s USING gist (ll_to_earth(%s, %s));" %
          [table_name, table_name, (options[:lat] || 'lat'), (options[:lng] || 'lng')]
      end

      def remove_earthdistance_index table_name
        execute "DROP INDEX %s_earthdistance_ix;" % [table_name]
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
activerecord-postgres-earthdistance-0.4.4	lib/activerecord-postgres-earthdistance/activerecord.rb
activerecord-postgres-earthdistance-0.4.3	lib/activerecord-postgres-earthdistance/activerecord.rb
activerecord-postgres-earthdistance-0.4.2	lib/activerecord-postgres-earthdistance/activerecord.rb
activerecord-postgres-earthdistance-0.4.1	lib/activerecord-postgres-earthdistance/activerecord.rb