---- Postal Code Points table ---

-- Clear table

DELETE FROM zipcode_points;

-- Insert points

DELETE FROM zipcode_points;

INSERT INTO postal_code_points (the_geom, postal_code, adm0_a3) 
SELECT the_geom, zipcode,
		(
		SELECT country_decoder.iso3 FROM country_decoder 
		WHERE tmp_zipcode_points.iso2 = country_decoder.iso2
		)
FROM tmp_zipcode_points
);


-- Drops temporary table

DROP TABLE tmp_zipcode_points;

-- remove unusable rows
DELETE FROM postal_code_points WHERE the_geom IS NULL;