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Fix always wetland subclass

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This commit is contained in:
Lukas Martinelli 2016-11-30 09:09:12 +00:00
parent 9ba6a0bb0f
commit dd0ba38633
1 changed files with 4 additions and 1 deletions
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5
layers/landcover/landcover.sql
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@ -83,7 +83,10 @@ CREATE OR REPLACE FUNCTION layer_landcover(bbox geometry, zoom_level int)
RETURNS TABLE(osm_id bigint, geometry geometry, class text, subclass text) AS $$
SELECT osm_id, geometry,
landcover_class(landuse, "natural", leisure, wetland) AS class,
COALESCE(NULLIF("natural", ''), NULLIF(landuse, ''), NULLIF('wetland', '')) AS subclass
COALESCE(
NULLIF("natural", ''), NULLIF(landuse, ''),
NULLIF(leisure, ''), NULLIF(wetland, '')
) AS subclass
FROM (
-- etldoc: landcover_z0 -> layer_landcover:z0
SELECT * FROM landcover_z0