17 lines
793 B
PL/PgSQL
17 lines
793 B
PL/PgSQL
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-- etldoc: layer_water_name[shape=record fillcolor=lightpink, style="rounded,filled",
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-- etldoc: label="layer_water_name | <z9_13> z9_13 | <z14_> z14_" ] ;
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CREATE OR REPLACE FUNCTION layer_water_name(bbox geometry, zoom_level integer)
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RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, class text) AS $$
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-- etldoc: osm_water_lakeline -> layer_water_name:z9_13
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-- etldoc: osm_water_lakeline -> layer_water_name:z14_
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SELECT osm_id, geometry, name, name_en, 'lake'::text AS class
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FROM osm_water_lakeline
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WHERE geometry && bbox
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AND name <> ''
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AND ((zoom_level BETWEEN 9 AND 13 AND LineLabel(zoom_level, NULLIF(name, ''), geometry))
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OR (zoom_level >= 14))
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ORDER BY ST_Length(geometry) DESC;
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$$ LANGUAGE SQL IMMUTABLE;
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