openmaptiles/layers/poi/class.sql

43 wiersze
1.3 KiB
PL/PgSQL

CREATE OR REPLACE FUNCTION poi_class_rank(class text)
RETURNS int AS
$$
SELECT CASE class
WHEN 'hospital' THEN 20
WHEN 'railway' THEN 40
WHEN 'bus' THEN 50
WHEN 'attraction' THEN 70
WHEN 'harbor' THEN 75
WHEN 'college' THEN 80
WHEN 'school' THEN 85
WHEN 'stadium' THEN 90
WHEN 'zoo' THEN 95
WHEN 'town_hall' THEN 100
WHEN 'campsite' THEN 110
WHEN 'cemetery' THEN 115
WHEN 'park' THEN 120
WHEN 'library' THEN 130
WHEN 'police' THEN 135
WHEN 'post' THEN 140
WHEN 'golf' THEN 150
WHEN 'shop' THEN 400
WHEN 'grocery' THEN 500
WHEN 'fast_food' THEN 600
WHEN 'clothing_store' THEN 700
WHEN 'bar' THEN 800
ELSE 1000
END;
$$ LANGUAGE SQL IMMUTABLE
PARALLEL SAFE;
CREATE OR REPLACE FUNCTION poi_class(subclass text, mapping_key text)
RETURNS text AS
$$
SELECT CASE
-- Special case subclass collision between office=university and amenity=university
WHEN mapping_key = 'amenity' AND subclass = 'university' THEN 'college'
%%FIELD_MAPPING: class %%
ELSE subclass
END;
$$ LANGUAGE SQL IMMUTABLE
PARALLEL SAFE;