kopia lustrzana https://github.com/openmaptiles/openmaptiles
19 wiersze
608 B
PL/PgSQL
19 wiersze
608 B
PL/PgSQL
CREATE OR REPLACE FUNCTION place_class(place TEXT)
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RETURNS TEXT AS $$
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SELECT CASE
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WHEN place IN ('city', 'town', 'village', 'hamlet', 'isolated_dwelling') THEN 'settlement'
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WHEN place IN ('suburb', 'neighbourhood') THEN 'subregion'
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WHEN place IN ('locality', 'farm') THEN 'other'
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ELSE NULL
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END;
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$$ LANGUAGE SQL IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION normalize_capital_level(capital TEXT)
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RETURNS INT AS $$
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SELECT CASE
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WHEN capital IN ('yes', '2') THEN 2
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WHEN capital = '4' THEN 4
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ELSE NULL
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END;
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$$ LANGUAGE SQL IMMUTABLE STRICT;
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