20 lines
636 B
MySQL
20 lines
636 B
MySQL
|
CREATE OR REPLACE FUNCTION layer_outdoor_poi(bbox geometry, zoom_level int)
|
||
|
|
RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text, name text) AS $$
|
||
|
|
SELECT
|
||
|
|
osm_id * 10 + 1,
|
||
|
|
geometry,
|
||
|
|
CASE
|
||
|
|
WHEN subclass = 'memorial'
|
||
|
|
THEN 'subclass'
|
||
|
|
ELSE class
|
||
|
|
END AS class,
|
||
|
|
CASE
|
||
|
|
WHEN subclass = 'memorial'
|
||
|
|
THEN NULLIF(memorial, '')
|
||
|
|
ELSE subclass
|
||
|
|
END AS subclass,
|
||
|
|
NULLIF(name, '') AS name
|
||
|
|
FROM osm_exploration_point
|
||
|
|
WHERE zoom_level >= 14 AND geometry && bbox;
|
||
|
|
$$ LANGUAGE SQL IMMUTABLE;
|