Fixed SQL and mapping bugs.

layers/poi/class.sql

@@ -57,6 +57,7 @@ SELECT CASE class
            WHEN 'water_tower' then 900
            WHEN 'communications_tower' then 900
            WHEN 'wind_turbine' then 900
+           WHEN 'shelter' then 3000
            ELSE 1000
            END;
 $$ LANGUAGE SQL IMMUTABLE

layers/poi/layer.sql

@@ -56,7 +56,25 @@ SELECT osm_id_hash                                  AS osm_id,
        CASE WHEN indoor = TRUE THEN 1 END           AS indoor,
        row_number() OVER (
            PARTITION BY LabelGrid(geometry, 100 * pixel_width)
-           ORDER BY CASE WHEN name = '' THEN 2000 ELSE poi_class_rank(poi_class(subclass, mapping_key)) END ASC
+           ORDER BY
+           CASE
+            WHEN name = ''
+             THEN 2000
+            ELSE poi_class_rank(poi_class(
+                subclass,
+                mapping_key,
+                CASE
+                   WHEN subclass = 'information'
+                       THEN NULLIF(information, '')
+                   WHEN subclass = 'place_of_worship'
+                       THEN NULLIF(religion, '')
+                   WHEN subclass = 'pitch'
+                       THEN NULLIF(sport, '')
+                   WHEN subclass = 'generator' AND mapping_key = 'power'
+                       THEN NULLIF(source, '')
+                   ELSE subclass
+                END
+            )) END ASC
            )::int                                   AS "rank"
 FROM (
          -- etldoc: osm_poi_point ->  layer_poi:z12

layers/poi/poi.yaml

@@ -134,7 +134,7 @@ layer:
           __AND__:
             subclass: ['generator']
             subtype: ['wind']
-            mapping_key: 'aerialway'
+            mapping_key: ['power']
         communications_tower:
           subclass: ['communications_tower']
         water_tower:

test.sh

@@ -31,7 +31,7 @@ make download-${SOURCE} area="${AREA}"
 
 # Import (yes we're doing import borders twice, it crashes on first run, oddly enough)
 make import-osm
-make import-borders
+make import-borders || true
 make import-borders
 make import-wikidata
 make import-sql