89cbf27c98
1. Add new field "class" into mountain_peak layer, which is original value of "natural" tag 2. Reformat layer.sql
54 lines
1.6 KiB
PL/PgSQL
54 lines
1.6 KiB
PL/PgSQL
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-- etldoc: layer_mountain_peak[shape=record fillcolor=lightpink,
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-- etldoc: style="rounded,filled", label="layer_mountain_peak | <z7_> z7+" ] ;
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CREATE OR REPLACE FUNCTION layer_mountain_peak(
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bbox geometry,
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zoom_level integer,
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pixel_width numeric)
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RETURNS TABLE(
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osm_id bigint,
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geometry geometry,
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name text,
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name_en text,
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name_de text,
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class text,
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tags hstore,
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ele int,
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ele_ft int,
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"rank" int) AS
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$$
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-- etldoc: osm_peak_point -> layer_mountain_peak:z7_
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SELECT
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osm_id,
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geometry,
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name,
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name_en,
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name_de,
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tags -> 'natural' AS class,
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tags,
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ele::int,
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ele_ft::int,
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rank::int FROM (
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SELECT osm_id, geometry, 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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substring(ele from E'^(-?\\d+)(\\D|$)')::int AS ele,
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round(substring(ele from E'^(-?\\d+)(\\D|$)')::int*3.2808399)::int AS ele_ft,
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row_number() OVER (
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PARTITION BY LabelGrid(geometry, 100 * pixel_width)
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ORDER BY (
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substring(ele from E'^(-?\\d+)(\\D|$)')::int +
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(CASE WHEN NULLIF(wikipedia, '') is not null THEN 10000 ELSE 0 END) +
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(CASE WHEN NULLIF(name, '') is not null THEN 10000 ELSE 0 END)
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) DESC
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)::int AS "rank"
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FROM osm_peak_point
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WHERE geometry && bbox AND ele is not null AND ele ~ E'^-?\\d+'
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) AS ranked_peaks
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WHERE zoom_level >= 7 AND (rank <= 5 OR zoom_level >= 14)
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ORDER BY "rank" ASC;
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$$ LANGUAGE SQL IMMUTABLE;
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