而不必逗號分隔列表的我會創建一個單獨的參數爲每個列並使其默認值設置爲NULL,並在代碼更新什麼,如果它的空或插入0。事情是這樣的....
CREATE PROCEDURE usp_UserPermissions
@UserID INT
,@Update INT = NULL --<-- Make default values NULL
,@Delete INT = NULL
,@Read INT = NULL
,@Write INT = NULL
,@Access INT = NULL
AS
BEGIN
SET NOCOUNT ON;
Declare @t TABLE (UserID INT, [Update] INT,[Read] INT
,[Write] INT,[Delete] INT,[Access] INT)
INSERT INTO @t (Userid, [Update],[Read],[Write],[Delete],[Access])
VALUES (@UserID , @Update , @Read, @Write , @Delete, @Access)
IF EXISTS (SELECT 1 FROM UserPermission WHERE UserID = @UserID)
BEGIN
UPDATE up -- Only update if a value was provided else update to itself
SET up.[Read] = ISNULL(t.[Read] , up.[Read])
,up.[Write] = ISNULL(t.[Write] , up.[Write])
,up.[Update] = ISNULL(t.[Update] , up.[Update])
,up.[Delete] = ISNULL(t.[Delete] , up.[Delete])
,up.[Access] = ISNULL(t.[Access] , up.[Access])
FROM UserPermission up
INNER JOIN @t t ON up.UserID = t.UserID
END
ELSE
BEGIN
-- if already no row exists for that User add a row
-- If no value was passed for a column add 0 as default
INSERT INTO UserPermission (Userid, [Update],[Read],[Write],[Delete],[Access])
SELECT Userid
, ISNULL([Update], 0)
, ISNULL([Read], 0)
, ISNULL([Write], 0)
, ISNULL([Delete], 0)
, ISNULL([Access], 0)
FROM @t
END
END
顯示您的代碼。 – Han
樣本數據和預期結果將會更有幫助。另外添加你到目前爲止嘗試的查詢 –
可能想要使用像'MERGE' – scsimon