DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` FUNCTION `vn`.`client_getGeo`(vSelf INT)
	RETURNS int(11)
	DETERMINISTIC
BEGIN
/**
 * Returns the geo for the passed client.
 *
 * @param vSelf The address id
 * @return The geo id
 */
 	DECLARE vGeoFk INT;

	SELECT p.geoFk INTO vGeoFk
		FROM client c
			JOIN town t ON t.provinceFk = c.provinceFk
			JOIN postCode p ON p.townFk = t.id
				AND p.`code` = c.postcode
		WHERE c.id = vSelf
		ORDER BY (c.city SOUNDS LIKE t.`name`) DESC
		LIMIT 1;

	RETURN vGeoFk;
END$$
DELIMITER ;