salix/db/routines/vn/procedures/zone_getPostalCode.sql

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`zone_getPostalCode`(vSelf INT)
BEGIN
/**
 * Devuelve los códigos postales incluidos en una zona
 */
	DECLARE vGeoFk INT DEFAULT NULL;

	CREATE OR REPLACE TEMPORARY TABLE tmp.zoneNodes (
		geoFk INT,
		name VARCHAR(100),
		parentFk INT,
		sons INT,
		isChecked BOOL DEFAULT 0,
		zoneFk INT,
		PRIMARY KEY zoneNodesPk (zoneFk, geoFk),
		INDEX(geoFk))
		ENGINE = MEMORY;

	CALL zone_getLeaves(vSelf, NULL , NULL, TRUE);

	UPDATE tmp.zoneNodes
		SET isChecked = 0
		WHERE parentFk IS NULL;

	myLoop: LOOP
		SET vGeoFk = NULL;
		SELECT geoFk INTO vGeoFk
			FROM tmp.zoneNodes
			WHERE NOT isChecked
			LIMIT 1;

		CALL zone_getLeaves(vSelf, vGeoFk, NULL, TRUE);
		UPDATE tmp.zoneNodes
			SET isChecked = TRUE
			WHERE geoFk = vGeoFk;

		IF vGeoFk IS NULL THEN
			LEAVE myLoop;
		END IF;
	END LOOP;

	DELETE FROM tmp.zoneNodes
		WHERE sons > 0;
END$$
DELIMITER ;