插入除了一些列同一行的值

Question

我有一個這樣的表，但不只是5列（可能大於10）

ID | FileName | Type | Other1 | Other 2 
1  image1.eps  3   assff  12321 
2  image2.eps  3   asdfs  12321 
3  image3.eps  3   asdaf  24124 

而像這樣的查詢：

DECLARE @FileName NVARCHAR(2000) 
SET @FileName = 'image1.eps' 

INSERT INTO DigitalAssets 
VALUES(
    (SELECT max(ID)+1 FROM DigitalAssets) 
    ,(SUBSTRING(@FileName,0,LEN(@FileName)-4)+'.jpg') 
    ,(1) 
    ,(SELECT TOP 1 Other1 FROM DigitalAssets WHERE FileName = @FileName) 
    ,(SELECT TOP 1 Other2 FROM DigitalAssets WHERE FileName = @FileName) 
) 

現在我想創建一個存儲過程，該存儲過程將插入除id, filename, and type之外的相同值。我可以這樣做，但是列數太多（或者我只是懶惰）。什麼是正確的方法來做到這一點？

Answer 1

我懷疑你的ID已被設置爲其真實的身份。此代碼可能適用於您。

DECLARE @FileName NVARCHAR(2000) 
SET @FileName = 'image1.eps' 

INSERT INTO DigitalAssets([FileName], Type, Other1, Other2) 
SELECT SUBSTRING(@FileName,0,LEN(@FileName)-4)+'.jpg',1, Other1, Other2 
FROM DigitalAssets WHERE FileName = @FileName 

如果不是，你可以試試這個。

DECLARE @FileName NVARCHAR(2000) 
SET @FileName = 'image1.eps' 

INSERT INTO DigitalAssets(id, [FileName], Type, Other1, Other2) 
SELECT (SELECT id 
FROM DigitalAssets o1 
WHERE NOT EXISTS (SELECT 1 FROM DigitalAssets o2 WHERE o2.id > o1.id)) 
SUBSTRING(@FileName,0,LEN(@FileName)-4)+'.jpg',1, Other1, Other2 
FROM DigitalAssets WHERE FileName = @FileName