12 lines
605 B
PL/PgSQL
12 lines
605 B
PL/PgSQL
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-- etldoc: layer_country[shape=record fillcolor=lightpink, style="rounded,filled",
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-- etldoc: label="layer_country | <zall> z0-z14_ " ] ;
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-- etldoc: osm_country_point -> layer_country
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CREATE OR REPLACE FUNCTION layer_country(bbox geometry, zoom_level int)
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RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, "rank" int) AS $$
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SELECT osm_id, geometry, name, COALESCE(NULLIF(name_en, ''), name) AS name_en, "rank" FROM osm_country_point
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WHERE geometry && bbox AND "rank" <= zoom_level AND name <> ''
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ORDER BY "rank" ASC, length(name) ASC;
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$$ LANGUAGE SQL IMMUTABLE;
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