Delete namedplace_country_guessing.sql

geocoder/namedplace/sql/namedplace_country_guessing.sql

@@ -1,35 +0,0 @@
--- Return a guess about the country where the places are located, if possible.
--- E.g: SELECT namedplace_guess_country(Array['granada', 'jaen', 'cordoba', 'madrid', 'valladolid']); => NULL
--- E.g: SELECT namedplace_guess_country(Array['granada', 'jaén', 'córdoba', 'madrid', 'valladolid', 'peligros'])); => 'ES'
-CREATE OR REPLACE FUNCTION namedplace_guess_country(places text[])
-RETURNS text AS $$
-DECLARE
-  country_code text;
-  threshold CONSTANT float := 0.8;
-  input_length integer := array_length(places, 1);
-BEGIN
-  BEGIN
-    WITH hist AS (
-        SELECT count(DISTINCT(lower(p.s), gp.iso2)) AS c, iso2
-        FROM global_cities_points_limited gp
-        inner join (SELECT unnest(places) AS s) p
-        ON (gp.lowername = lower(s))
-        GROUP BY iso2
-      ),
-      best_two AS (
-        SELECT iso2, c
-          FROM hist
-          WHERE c > input_length * threshold
-          ORDER BY c DESC
-          LIMIT 2
-      )
-    SELECT iso2 INTO STRICT country_code
-      FROM (SELECT iso2, c, max(c) over() AS maxcount FROM best_two) bt
-      WHERE bt.c = bt.maxcount;
-    EXCEPTION
-      WHEN NO_DATA_FOUND OR too_many_rows THEN
-        RETURN NULL;
-  END;
-  RETURN country_code;
-END;
-$$ LANGUAGE 'plpgsql' SECURITY DEFINER IMMUTABLE;