1
Syntaxe sage, ce qui ne va pas avec la requête suivante:Déclencheurs MySQL insérer dans une autre table
-- Trigger DDL Statements
DELIMITER $$
USE `mydb`$$
DROP TRIGGER IF EXISTS annual_scenario;
CREATE TRIGGER annual_scenario
AFTER INSERT ON quote FOR EACH ROW
BEGIN
SET @annual_date = (SELECT NEW.date - INTERVAL 1 YEAR);
SET @annual = (SELECT COUNT(DISTINCT Q.date)
FROM quote Q, instrument I
WHERE Q.date = I.date
AND Q.ticker = I.date
AND Q.market = I.date
AND I.type != 'bank'
AND Q.date = @annual_date
AND Q.ticker = NEW.ticker
AND Q.market = NEW.market
);
SET @annual_close = (SELECT Q.close
FROM quote Q
WHERE Q.ticker = NEW.ticker
AND Q.date = @annual_date
AND Q.market = NEW.market
);
SET @ratio = (NEW.close/@annual_close);
IF @annual = 1 THEN
INSERT INTO
scenario(period,ticker,date_1,date_2,close_1,close_2,ratio)
VALUES('annual',NEW.ticker,NEW.date,@annual_date,NEW.close,@annual_close,@ratio);
ENDIF
END $$
DELIMITER ;
Il génère l'erreur suivante:
Error Code: 1064
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'CREATE TRIGGER annual_scenario
AFTER INSERT ON quote FOR EACH ROW
BEGIN
SE' at line 2
Ce que je suis en train de faire est de vérifier si chaque année renvoie 1 puis j'insérerais un nouvel enregistrement dans le scénario de table avec les valeurs correspondantes.