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CREATE OR REPLACE FUNCTION geocode(
input VARCHAR, max_results integer DEFAULT 10,
restrict_geom geometry DEFAULT NULL,
OUT ADDY NORM_ADDY,
OUT GEOMOUT GEOMETRY,
OUT RATING INTEGER
) RETURNS SETOF RECORD
AS $_$
DECLARE
rec RECORD;
BEGIN
IF input IS NULL THEN
RETURN;
END IF;
-- Pass the input string into the address normalizer
ADDY := normalize_address(input);
IF NOT ADDY.parsed THEN
RETURN;
END IF;
/* FOR rec IN SELECT * FROM geocode(ADDY)
LOOP
ADDY := rec.addy;
GEOMOUT := rec.geomout;
RATING := rec.rating;
RETURN NEXT;
END LOOP;*/
RETURN QUERY SELECT g.addy, g.geomout, g.rating FROM geocode(ADDY, max_results, restrict_geom) As g ORDER BY g.rating;
END;
$_$ LANGUAGE plpgsql STABLE;
CREATE OR REPLACE FUNCTION geocode(
IN_ADDY NORM_ADDY,
max_results integer DEFAULT 10,
restrict_geom geometry DEFAULT null,
OUT ADDY NORM_ADDY,
OUT GEOMOUT GEOMETRY,
OUT RATING INTEGER
) RETURNS SETOF RECORD
AS $_$
DECLARE
rec RECORD;
BEGIN
IF NOT IN_ADDY.parsed THEN
RETURN;
END IF;
-- Go for the full monty if we've got enough info
IF IN_ADDY.streetName IS NOT NULL AND
(IN_ADDY.zip IS NOT NULL OR IN_ADDY.stateAbbrev IS NOT NULL) THEN
FOR rec IN
SELECT *
FROM
(SELECT
DISTINCT ON (
(a.addy).address,
(a.addy).predirabbrev,
(a.addy).streetname,
(a.addy).streettypeabbrev,
(a.addy).postdirabbrev,
(a.addy).internal,
(a.addy).location,
(a.addy).stateabbrev,
(a.addy).zip
)
*
FROM
tiger.geocode_address(IN_ADDY, max_results, restrict_geom) a
ORDER BY
(a.addy).address,
(a.addy).predirabbrev,
(a.addy).streetname,
(a.addy).streettypeabbrev,
(a.addy).postdirabbrev,
(a.addy).internal,
(a.addy).location,
(a.addy).stateabbrev,
(a.addy).zip,
a.rating
) as b
ORDER BY b.rating LIMIT max_results
LOOP
ADDY := rec.addy;
GEOMOUT := rec.geomout;
RATING := rec.rating;
RETURN NEXT;
IF RATING = 0 THEN
RETURN;
END IF;
END LOOP;
IF RATING IS NOT NULL THEN
RETURN;
END IF;
END IF;
-- No zip code, try state/location, need both or we'll get too much stuffs.
IF IN_ADDY.zip IS NOT NULL OR (IN_ADDY.stateAbbrev IS NOT NULL AND IN_ADDY.location IS NOT NULL) THEN
FOR rec in SELECT * FROM tiger.geocode_location(IN_ADDY, restrict_geom) As b ORDER BY b.rating LIMIT max_results
LOOP
ADDY := rec.addy;
GEOMOUT := rec.geomout;
RATING := rec.rating;
RETURN NEXT;
IF RATING = 100 THEN
RETURN;
END IF;
END LOOP;
END IF;
RETURN;
END;
$_$ LANGUAGE plpgsql STABLE
COST 1000;
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