Add agg_stop indicator to transit stations (POI)

layers/poi/update_poi_point.sql

@@ -21,6 +21,30 @@ $$ LANGUAGE plpgsql;
 
 SELECT update_osm_poi_point();
 
+CREATE OR REPLACE FUNCTION update_osm_poi_point_agg() RETURNS VOID AS $$
+BEGIN
+  UPDATE osm_poi_point p
+  SET agg_stop = CASE
+      WHEN p.subclass IN ('bus_stop', 'bus_station', 'tram_stop', 'subway')
+        THEN 1
+      ELSE NULL
+  END;
+
+  UPDATE osm_poi_point p
+    SET agg_stop = (
+      CASE
+        WHEN p.subclass IN ('bus_stop', 'bus_station', 'tram_stop', 'subway')
+            AND r.rk IS NULL OR r.rk = 1
+          THEN 1
+        ELSE NULL
+      END)
+    FROM osm_poi_stop_rank r
+    WHERE p.osm_id = r.osm_id
+  ;
+
+END;
+$$ LANGUAGE plpgsql;
+
 -- Handle updates
 
 CREATE SCHEMA IF NOT EXISTS poi_point;
@@ -38,6 +62,9 @@ CREATE OR REPLACE FUNCTION poi_point.refresh() RETURNS trigger AS
   BEGIN
     RAISE LOG 'Refresh poi_point';
     PERFORM update_osm_poi_point();
+    REFRESH MATERIALIZED VIEW osm_poi_stop_centroid;
+    REFRESH MATERIALIZED VIEW osm_poi_stop_rank;
+    PERFORM update_osm_poi_point_agg();
     DELETE FROM poi_point.updates;
     RETURN null;
   END;