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Merge pull request #149 from CartoDB/iri/admin0_functions_revamp

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Adds function that lives in the database adm0
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Carla 2015-06-24 16:36:31 +02:00
commit c8bec1eee0
1 changed files with 14 additions and 0 deletions
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14
geocoder/admin0/sql/geocoder.sql
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@ -1,3 +1,4 @@
--- Geocoding function ---
--CREATE TYPE geocode_admin_v1 AS (q TEXT, geom GEOMETRY, success BOOLEAN);
CREATE OR REPLACE FUNCTION geocode_admin0_polygons(name text[])
@ -10,3 +11,16 @@ CREATE OR REPLACE FUNCTION geocode_admin0_polygons(name text[])
SELECT d.q, n.the_geom as geom, CASE WHEN s.adm0_a3 IS NULL then FALSE ELSE TRUE END AS success 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 LEFT OUTER JOIN ne_admin0_v3 n ON s.adm0_a3 = n.adm0_a3 GROUP BY d.q, n.the_geom, s.adm0_a3;
END
$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
--- Helper functions ---
-- admin0_synonym_lookup
CREATE OR REPLACE FUNCTION admin0_synonym_lookup(name text[])
RETURNS SETOF synonym_lookup_v1 AS $$
DECLARE
ret synonym_lookup_v1%rowtype;
BEGIN RETURN QUERY
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;
END
$$ LANGUAGE 'plpgsql' SECURITY DEFINER;