Remove trailing space and commented out code

docker-compose.yml

@@ -1,11 +1,9 @@
 version: "2"
-volumes:
-  pgdata:
 services:
   postgres:
     image: "openmaptiles/postgis:2.2"
     volumes:
-     - pgdata:/var/lib/postgresql/data
+     - ./pgdata:/var/lib/postgresql/data
     ports:
      - "5432"
     env_file: .env

layers/poi/layer.sql

@@ -1,5 +1,5 @@
 
--- etldoc: layer_poi[shape=record fillcolor=lightpink, style="rounded,filled",  
+-- etldoc: layer_poi[shape=record fillcolor=lightpink, style="rounded,filled",
 -- etldoc:     label="layer_poi | <z14_> z14_" ] ;
 
 CREATE OR REPLACE FUNCTION layer_poi(bbox geometry, zoom_level integer, pixel_width numeric)
@@ -10,19 +10,17 @@ RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class t
             ORDER BY poi_class_rank(poi_class(subclass)) ASC,
                      length(name) DESC NULLS LAST
         )::int AS "rank"
-    FROM (    
+    FROM (
-        -- etldoc: osm_poi_point ->  layer_poi:z14_        
+        -- etldoc: osm_poi_point ->  layer_poi:z14
         SELECT * FROM osm_poi_point
             WHERE geometry && bbox
                 AND zoom_level >= 14
-                -- AND name <> ''
         UNION ALL
-        -- etldoc: osm_poi_polygon ->  layer_poi:z14_        
+        -- etldoc: osm_poi_polygon ->  layer_poi:z14
         SELECT * FROM osm_poi_polygon
             WHERE geometry && bbox
                 AND zoom_level >= 14
-                -- AND name <> ''    
+        ) as poi_union
-        ) as poi_union 
     ORDER BY "rank"
     ;
 $$ LANGUAGE SQL IMMUTABLE;