module ActiveRecordPostgresEarthdistance::QueryMethods
Public Instance Methods
selecting_distance_from(lat, lng, name = "distance", include_default_columns = true)
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# File lib/activerecord-postgres-earthdistance/acts_as_geolocated.rb, line 96 def selecting_distance_from(lat, lng, name = "distance", include_default_columns = true) clone.tap do |relation| relation.joins!(through_table) values = [] if relation.select_values.empty? && include_default_columns values << relation.arel_table[Arel.star] end distances = Utils.earth_distance(through_table_klass, lat, lng, name) distances = Arel::Nodes::Multiplication.new( Utils.quote_value(1 / MILES_TO_METERS_FACTOR), distances ) if relation.distance_unit === :miles values << distances relation.select_values = values end end