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CREATE OR REPLACE FUNCTION geocode_location(
parsed NORM_ADDY,
restrict_geom geometry DEFAULT null,
OUT ADDY NORM_ADDY,
OUT GEOMOUT GEOMETRY,
OUT RATING INTEGER
) RETURNS SETOF RECORD
AS $_$
DECLARE
result RECORD;
in_statefp VARCHAR;
stmt VARCHAR;
var_debug boolean := false;
BEGIN
in_statefp := statefp FROM state WHERE state.stusps = parsed.stateAbbrev;
IF var_debug THEN
RAISE NOTICE 'geocode_location starting: %', clock_timestamp();
END IF;
FOR result IN
SELECT
coalesce(zip.city)::varchar as place,
zip.zip as zip,
ST_Centroid(zcta5.the_geom) as address_geom,
stusps as state,
100::integer + coalesce(levenshtein_ignore_case(coalesce(zip.city), parsed.location),0) as in_rating
FROM
zip_lookup_base zip
JOIN zcta5 ON (zip.zip = zcta5.zcta5ce AND zip.statefp = zcta5.statefp)
JOIN state ON (state.statefp=zip.statefp)
WHERE
parsed.zip = zip.zip OR
(soundex(zip.city) = soundex(parsed.location) and zip.statefp = in_statefp)
ORDER BY levenshtein_ignore_case(coalesce(zip.city), parsed.location), zip.zip
LOOP
ADDY.location := result.place;
ADDY.stateAbbrev := result.state;
ADDY.zip := result.zip;
ADDY.parsed := true;
GEOMOUT := result.address_geom;
RATING := result.in_rating;
RETURN NEXT;
IF RATING = 100 THEN
RETURN;
END IF;
END LOOP;
IF parsed.location IS NULL THEN
parsed.location := city FROM zip_lookup_base WHERE zip_lookup_base.zip = parsed.zip ORDER BY zip_lookup_base.zip LIMIT 1;
in_statefp := statefp FROM zip_lookup_base WHERE zip_lookup_base.zip = parsed.zip ORDER BY zip_lookup_base.zip LIMIT 1;
END IF;
stmt := 'SELECT '
|| ' pl.name as place, '
|| ' state.stusps as stateAbbrev, '
|| ' ST_Centroid(pl.the_geom) as address_geom, '
|| ' 100::integer + levenshtein_ignore_case(coalesce(pl.name), ' || quote_literal(coalesce(parsed.location,'')) || ') as in_rating '
|| ' FROM (SELECT * FROM place WHERE statefp = ' || quote_literal(coalesce(in_statefp,'')) || ' ' || COALESCE(' AND ST_Intersects(' || quote_literal(restrict_geom::text) || '::geometry, the_geom)', '') || ') AS pl '
|| ' INNER JOIN state ON(pl.statefp = state.statefp)'
|| ' WHERE soundex(pl.name) = soundex(' || quote_literal(coalesce(parsed.location,'')) || ') and pl.statefp = ' || quote_literal(COALESCE(in_statefp,''))
|| ' ORDER BY levenshtein_ignore_case(coalesce(pl.name), ' || quote_literal(coalesce(parsed.location,'')) || ');'
;
IF var_debug THEN
RAISE NOTICE 'geocode_location stmt: %', stmt;
END IF;
FOR result IN EXECUTE stmt
LOOP
ADDY.location := result.place;
ADDY.stateAbbrev := result.stateAbbrev;
ADDY.zip = parsed.zip;
ADDY.parsed := true;
GEOMOUT := result.address_geom;
RATING := result.in_rating;
RETURN NEXT;
IF RATING = 100 THEN
RETURN;
IF var_debug THEN
RAISE NOTICE 'geocode_location ending hit 100 rating result: %', clock_timestamp();
END IF;
END IF;
END LOOP;
IF var_debug THEN
RAISE NOTICE 'geocode_location ending: %', clock_timestamp();
END IF;
RETURN;
END;
$_$ LANGUAGE plpgsql STABLE COST 100;
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