Initial attempt at moving forests with names into their own 'landmarks' layer. (this is heavely copied and pasted from POI)

layers/landmarks/lm_stop_agg.sql

@@ -0,0 +1,31 @@
+DROP MATERIALIZED VIEW IF EXISTS osm_lm_stop_centroid CASCADE;
+CREATE MATERIALIZED VIEW osm_lm_stop_centroid AS
+(
+SELECT uic_ref,
+       count(*)                                                        AS count,
+       CASE WHEN count(*) > 2 THEN ST_Centroid(ST_UNION(geometry)) END AS centroid
+FROM osm_lm_point
+WHERE nullif(uic_ref, '') IS NOT NULL
+  AND subclass IN ('bus_stop', 'bus_station', 'tram_stop', 'subway')
+GROUP BY uic_ref
+HAVING count(*) > 1
+    ) /* DELAY_MATERIALIZED_VIEW_CREATION */;
+
+DROP MATERIALIZED VIEW IF EXISTS osm_lm_stop_rank CASCADE;
+CREATE MATERIALIZED VIEW osm_lm_stop_rank AS
+(
+SELECT p.osm_id,
+-- 		p.uic_ref,
+-- 		p.subclass,
+       ROW_NUMBER()
+       OVER (
+           PARTITION BY p.uic_ref
+           ORDER BY
+               p.subclass :: public_transport_stop_type NULLS LAST,
+               ST_Distance(c.centroid, p.geometry)
+           ) AS rk
+FROM osm_lm_point p
+         INNER JOIN osm_lm_stop_centroid c ON (p.uic_ref = c.uic_ref)
+WHERE subclass IN ('bus_stop', 'bus_station', 'tram_stop', 'subway')
+ORDER BY p.uic_ref, rk
+    ) /* DELAY_MATERIALIZED_VIEW_CREATION */;