kopia lustrzana https://github.com/openmaptiles/openmaptiles
74 wiersze
2.9 KiB
PL/PgSQL
74 wiersze
2.9 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 | <z12> z12 | <z13> z13 | <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, name_de text, tags hstore, class text, subclass text, agg_stop integer, layer integer, level integer, indoor integer, "rank" int) AS $$
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SELECT osm_id_hash AS osm_id, geometry, NULLIF(name, '') AS name,
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COALESCE(NULLIF(name_en, ''), name) AS name_en,
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COALESCE(NULLIF(name_de, ''), name, name_en) AS name_de,
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tags,
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poi_class(subclass, mapping_key) AS class,
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CASE
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WHEN subclass = 'information'
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THEN NULLIF(information, '')
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WHEN subclass = 'place_of_worship'
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THEN NULLIF(religion, '')
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WHEN subclass = 'pitch'
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THEN NULLIF(sport, '')
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ELSE subclass
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END AS subclass,
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agg_stop,
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NULLIF(layer, 0) AS layer,
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"level",
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CASE WHEN indoor=TRUE THEN 1 ELSE NULL END as indoor,
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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, mapping_key)) END ASC
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)::int AS "rank"
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FROM (
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-- etldoc: osm_poi_point -> layer_poi:z12
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-- etldoc: osm_poi_point -> layer_poi:z13
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SELECT *,
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osm_id*10 AS osm_id_hash FROM osm_poi_point
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WHERE geometry && bbox
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AND zoom_level BETWEEN 12 AND 13
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AND ((subclass='station' AND mapping_key = 'railway')
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OR subclass IN ('halt', 'ferry_terminal'))
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UNION ALL
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-- etldoc: osm_poi_point -> layer_poi:z14_
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SELECT *,
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osm_id*10 AS osm_id_hash 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:z12
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-- etldoc: osm_poi_polygon -> layer_poi:z13
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SELECT *,
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NULL::INTEGER AS agg_stop,
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CASE WHEN osm_id<0 THEN -osm_id*10+4
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ELSE osm_id*10+1
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END AS osm_id_hash
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FROM osm_poi_polygon
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WHERE geometry && bbox
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AND zoom_level BETWEEN 12 AND 13
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AND ((subclass='station' AND mapping_key = 'railway')
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OR subclass IN ('halt', 'ferry_terminal'))
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UNION ALL
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-- etldoc: osm_poi_polygon -> layer_poi:z14_
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SELECT *,
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NULL::INTEGER AS agg_stop,
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CASE WHEN osm_id<0 THEN -osm_id*10+4
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ELSE osm_id*10+1
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END AS osm_id_hash
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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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