2016-10-06 18:19:00 +02:00

32 lines
703 B
SQL

CREATE OR REPLACE VIEW ne_10m_global_roads AS (
SELECT geom, scalerank, featurecla as featureclass, type
FROM ne_10m_roads WHERE continent <> 'North America'
UNION ALL
SELECT geom, scalerank, class as featureclass, type
FROM ne_10m_roads_north_america
);
CREATE OR REPLACE VIEW road_z4 AS (
SELECT *
FROM ne_10m_global_roads
WHERE scalerank <= 4
);
CREATE OR REPLACE VIEW road_z5 AS (
SELECT *
FROM ne_10m_global_roads
WHERE scalerank <= 5
);
CREATE OR REPLACE VIEW road_z6 AS (
SELECT *
FROM ne_10m_global_roads
WHERE scalerank <= 6
);
CREATE OR REPLACE VIEW road_z7 AS (
SELECT *
FROM ne_10m_global_roads
WHERE scalerank <= 7
);