kopia lustrzana https://github.com/openmaptiles/openmaptiles
26 wiersze
1.1 KiB
PL/PgSQL
26 wiersze
1.1 KiB
PL/PgSQL
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-- etldoc: layer_poi[shape=record fillcolor=lightpink, style="rounded,filled",
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-- etldoc: label="layer_poi | <z14_> z14_" ] ;
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CREATE OR REPLACE FUNCTION layer_poi(bbox geometry, zoom_level integer, pixel_width numeric)
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RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class text, subclass text, "rank" int) AS $$
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SELECT osm_id, geometry, NULLIF(name, '') AS name, NULLIF(name_en, '') AS name_en, poi_class(subclass) AS class, subclass,
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row_number() OVER (
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PARTITION BY LabelGrid(geometry, 100 * pixel_width)
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ORDER BY CASE WHEN name = '' THEN 2000 ELSE poi_class_rank(poi_class(subclass)) END ASC
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)::int AS "rank"
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FROM (
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-- etldoc: osm_poi_point -> layer_poi:z14
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SELECT * FROM osm_poi_point
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WHERE geometry && bbox
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AND zoom_level >= 14
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UNION ALL
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-- etldoc: osm_poi_polygon -> layer_poi:z14
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SELECT * FROM osm_poi_polygon
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WHERE geometry && bbox
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AND zoom_level >= 14
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) as poi_union
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ORDER BY "rank"
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;
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$$ LANGUAGE SQL IMMUTABLE;
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