你知道爲什麼ELSE在我的代碼中很好嗎?最後ELSE。林試圖創建程序,但我有問題,如果子句if else else if sql
有人可以幫助我嗎?我知道解決方案與最大值的id和加1它不好,但它是暫時的。以後我會嘗試實施更好的辦法
CREATE PROCEDURE dodajAuto
(@marka VARCHAR,
@model VARCHAR,
@kolor VARCHAR,
@moc INT,
@dataProdukcji DATETIME,
@cena DECIMAL,
@typ VARCHAR,
@przebieg INT)
AS
BEGIN
DECLARE @tmpMarka VARCHAR = (SELECT MARKA FROM MARKA WHERE MARKA=MARKA)
DECLARE @tmpModel VARCHAR = (SELECT MODEL FROM MODEL WHERE MODEL=MODEL)
DECLARE @tmpIdModelu INT = (SELECT IDMODELU FROM MODEL WHERE MODEL=MODEL)
DECLARE @tmpIdMarki INT = (SELECT IDMARKI FROM MARKA WHERE MARKA=MARKA)
DECLARE @tmpLastIdSamochodu INT = (SELECT MAX(IDSAMOCHODU) FROM SAMOCHOD)
DECLARE @tmpLastIdModelu INT = (SELECT MAX(IDMODELU) FROM MODEL)
DECLARE @tmpLastIdMarki INT = (SELECT MAX(IDMARKI) FROM MARKA)
IF (@tmpMarka IS NOT NULL)
IF (@tmpModel IS NOT NULL)
INSERT INTO SAMOCHOD
VALUES (@tmpLastIdSamochodu+1, @tmpIdModelu, @kolor, @moc, @przebieg, @dataPRodukcji, @typ);
ELSE
INSERT INTO MODEL
VALUES (@tmpLastIdModelu+1, @tmpIdMarki, @model, @cena)
SET @tmpIdModelu = (SELECT IDMODELU FROM MODEL WHERE MODEL = MODEL)
INSERT INTO SAMOCHOD
VALUES (@tmpLastIdSamochodu+1, @tmpIdModelu, @kolor, @moc, @przebieg, @dataProdukcji, @typ);
ELSE --THIS IS WHERE SYNTAX IS HIGLIHTED,
INSERT INTO MARKA VALUES (@tmpLastIdMarki+1, @marka)
SET @tmpIdMarki = (SELECT IDMARKI FROM MARKA WHERE MARKA = MARKA)
INSERT INTO MODEL
VALUES (@tmpLastIdModelu+1, @tmpIdMarki, @model, @cena)
SET @tmpIdModelu = (SELECT IDMODELU FROM MODEL WHERE MODEL = MODEL)
INSERT INTO SAMOCHOD
VALUES (@tmpLastIdSamochodu+1, @tmpIdModelu, @kolor, @moc, @przebieg, @dataProdukcji, @typ);
您的代碼是沒有意義的。你有更大的問題,比如'MODEL = MODEL'。 –
另外,爲什麼在'IF-ELSE'中的'INSERT'語句末尾的';'塊? –
[不良習慣踢:聲明VARCHAR沒有(長度) - 亞倫伯特蘭](http://sqlblog.com/blogs/aaron_bertrand/archive/2009/10/09/bad-habits-to-kick-declaring-varchar-沒有length.aspx) – SqlZim