fixup: add indexes for latitude/longitude

lib/arrow/gtfs/stop.ex

@@ -91,9 +91,10 @@ defmodule Arrow.Gtfs.Stop do
     from(s in Arrow.Gtfs.Stop,
       where:
         s.lat <= ^lat + @latitude_degrees_per_mile and
-          s.lat >= ^lat - @latitude_degrees_per_mile and
-          s.lon <= ^lon + @longitude_degrees_per_mile and
-          s.lon >= ^lon - @latitude_degrees_per_mile
+        s.lat >= ^lat - @latitude_degrees_per_mile and
+        s.lon <= ^lon + @longitude_degrees_per_mile and
+        s.lon >= ^lon - @latitude_degrees_per_mile and
+        s.vehicle_type == :bus  
     )
     |> Repo.all()
   end

priv/repo/migrations/20241219160941_add_indexes_lat_lon.exs

@@ -0,0 +1,8 @@
+defmodule Arrow.Repo.Migrations.AddIndexesLatLon do
+  use Ecto.Migration
+
+  def change do
+    create index(:gtfs_stops, [:lat, :lon, :vehicle_type, :id])
+    create index(:stops, [:stop_lat, :stop_lon, :stop_id])
+  end
+end

priv/repo/structure.sql

@@ -1381,6 +1381,13 @@ CREATE INDEX disruption_notes_disruption_id_index ON public.disruption_notes USI
 CREATE INDEX disruption_trip_short_names_disruption_id_index ON public.disruption_trip_short_names USING btree (disruption_revision_id);
 
 
+--
+-- Name: gtfs_stops_lat_lon_vehicle_type_id_index; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX gtfs_stops_lat_lon_vehicle_type_id_index ON public.gtfs_stops USING btree (lat, lon, vehicle_type, id);
+
+
 --
 -- Name: oban_jobs_args_index; Type: INDEX; Schema: public; Owner: -
 --
@@ -1444,6 +1451,13 @@ CREATE UNIQUE INDEX shuttles_shuttle_name_index ON public.shuttles USING btree (
 CREATE UNIQUE INDEX stops_stop_id_index ON public.stops USING btree (stop_id);
 
 
+--
+-- Name: stops_stop_lat_stop_lon_stop_id_index; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX stops_stop_lat_stop_lon_stop_id_index ON public.stops USING btree (stop_lat, stop_lon, stop_id);
+
+
 --
 -- Name: unique_disruption_weekday; Type: INDEX; Schema: public; Owner: -
 --
@@ -1761,3 +1775,4 @@ INSERT INTO public."schema_migrations" (version) VALUES (20241029192033);
 INSERT INTO public."schema_migrations" (version) VALUES (20241030181351);
 INSERT INTO public."schema_migrations" (version) VALUES (20241209204043);
 INSERT INTO public."schema_migrations" (version) VALUES (20241210155455);
+INSERT INTO public."schema_migrations" (version) VALUES (20241219160941);