kopia lustrzana https://github.com/openmaptiles/openmaptiles
21 wiersze
870 B
PL/PgSQL
21 wiersze
870 B
PL/PgSQL
-- etldoc: layer_aeroway[shape=record fillcolor=lightpink, style="rounded,filled",
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-- etldoc: label="layer_aeroway |<z12> z12|<z13> z13|<z14> z14" ];
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CREATE OR REPLACE FUNCTION layer_aeroway(bbox geometry, zoom_level int)
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RETURNS TABLE(geometry geometry, class text) AS $$
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SELECT geometry, aeroway AS class FROM (
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-- etldoc: aeroway_z12 -> layer_aeroway:z12
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SELECT geometry, aeroway
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FROM osm_aeroway_polygon_gen2 WHERE zoom_level = 12
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UNION ALL
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-- etldoc: aeroway_z13 -> layer_aeroway:z13
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SELECT geometry, aeroway
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FROM osm_aeroway_polygon_gen1 WHERE zoom_level = 13
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UNION ALL
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-- etldoc: aeroway_z14 -> layer_aeroway:z14_
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SELECT geometry, aeroway
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FROM osm_aeroway_polygon WHERE zoom_level >= 14
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) AS zoom_levels
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WHERE geometry && bbox;
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$$ LANGUAGE SQL IMMUTABLE;
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