1614a4656c
Simplify some of the OSM->OMT field value mappings using declarative syntax. This approach is not for all cases, but in many it removes the need of storing the same field in both the .yaml and .sql files. TODO: support more complex AND/OR cases
40 lines
1.2 KiB
PL/PgSQL
40 lines
1.2 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION poi_class_rank(class TEXT)
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RETURNS INT AS $$
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SELECT CASE class
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WHEN 'hospital' THEN 20
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WHEN 'railway' THEN 40
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WHEN 'bus' THEN 50
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WHEN 'attraction' THEN 70
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WHEN 'harbor' THEN 75
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WHEN 'college' THEN 80
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WHEN 'school' THEN 85
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WHEN 'stadium' THEN 90
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WHEN 'zoo' THEN 95
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WHEN 'town_hall' THEN 100
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WHEN 'campsite' THEN 110
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WHEN 'cemetery' THEN 115
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WHEN 'park' THEN 120
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WHEN 'library' THEN 130
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WHEN 'police' THEN 135
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WHEN 'post' THEN 140
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WHEN 'golf' THEN 150
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WHEN 'shop' THEN 400
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WHEN 'grocery' THEN 500
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WHEN 'fast_food' THEN 600
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WHEN 'clothing_store' THEN 700
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WHEN 'bar' THEN 800
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ELSE 1000
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END;
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$$ LANGUAGE SQL IMMUTABLE;
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CREATE OR REPLACE FUNCTION poi_class(subclass TEXT, mapping_key TEXT)
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RETURNS TEXT AS $$
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SELECT CASE
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%%FIELD_MAPPING: class %%
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WHEN (subclass = 'station' AND mapping_key = 'railway')
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OR (subclass IN ('halt', 'tram_stop', 'subway')) THEN 'railway'
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WHEN (subclass = 'station' AND mapping_key = 'aerialway') THEN 'aerialway'
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ELSE subclass
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END;
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$$ LANGUAGE SQL IMMUTABLE;
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