16 lines
588 B
PL/PgSQL
16 lines
588 B
PL/PgSQL
--CREATE TYPE synonym_lookup_v1 AS (q TEXT, adm0_a3 TEXT);
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--EXAMPLE
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-- SELECT (admin0_synonym_lookup(Array['United States', 'ESP'])).*
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CREATE OR REPLACE FUNCTION admin0_synonym_lookup(name text[])
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RETURNS SETOF synonym_lookup_v1 AS $$
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DECLARE
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ret synonym_lookup_v1%rowtype;
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BEGIN
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-- FOR ret IN
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RETURN QUERY
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SELECT d.q, s.adm0_a3 FROM (SELECT q, lower(regexp_replace(q, '[^a-zA-Z\u00C0-\u00ff]+', '', 'g'))::text x FROM (SELECT unnest(name) q) g) d LEFT OUTER JOIN admin0_synonyms s ON name_ = d.x GROUP BY d.q, s.adm0_a3;
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END
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$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
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