salix/db/routines/vn2008/functions/intrastat_neto.sql

21 lines
505 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn2008`.`intrastat_neto`(intINSTRASTAT INTEGER,intUNIDADES INTEGER)
RETURNS double
DETERMINISTIC
BEGIN
DECLARE n DOUBLE;
SELECT ROUND(intUNIDADES / (SUM(MEDIA) / COUNT(media)), 2) INTO n FROM
(SELECT *, unidades / neto MEDIA
FROM intrastat_data
WHERE intrastat_id = intINSTRASTAT AND neto
AND unidades > 0
ORDER BY odbc_date DESC
LIMIT 20) t;
-- JGF 01/06 per a evitar Kg en negatiu
RETURN n/2;
END$$
DELIMITER ;