28 lines
1.3 KiB
PL/PgSQL
28 lines
1.3 KiB
PL/PgSQL
-- etldoc: layer_aeroway[shape=record fillcolor=lightpink, style="rounded,filled",
|
|
-- etldoc: label="layer_aeroway |<z11> z11|<z12> z12|<z13> z13|<z14_> z14+" ];
|
|
|
|
CREATE OR REPLACE FUNCTION layer_aeroway(bbox geometry, zoom_level int)
|
|
RETURNS TABLE(geometry geometry, class text) AS $$
|
|
SELECT geometry, aeroway AS class FROM (
|
|
-- etldoc: osm_aeroway_linestring -> layer_aeroway:z11
|
|
-- etldoc: osm_aeroway_linestring -> layer_aeroway:z12
|
|
-- etldoc: osm_aeroway_linestring -> layer_aeroway:z13
|
|
-- etldoc: osm_aeroway_linestring -> layer_aeroway:z14_
|
|
SELECT geometry, aeroway
|
|
FROM osm_aeroway_linestring WHERE zoom_level >= 11
|
|
UNION ALL
|
|
-- etldoc: osm_aeroway_polygon_gen2 -> layer_aeroway:z12
|
|
SELECT geometry, aeroway
|
|
FROM osm_aeroway_polygon_gen2 WHERE zoom_level = 12
|
|
UNION ALL
|
|
-- etldoc: osm_aeroway_polygon_gen1 -> layer_aeroway:z13
|
|
SELECT geometry, aeroway
|
|
FROM osm_aeroway_polygon_gen1 WHERE zoom_level = 13
|
|
UNION ALL
|
|
-- etldoc: osm_aeroway_polygon -> layer_aeroway:z14_
|
|
SELECT geometry, aeroway
|
|
FROM osm_aeroway_polygon WHERE zoom_level >= 14
|
|
) AS zoom_levels
|
|
WHERE geometry && bbox;
|
|
$$ LANGUAGE SQL IMMUTABLE;
|