由于您无法使用表格参数,因此请尝试传入CSV sting,并让存储过程将其拆分成行。
有很多方法可以在SQL Server中拆分字符串。本文介绍了几乎每一个方法的优点和缺点:
"Arrays and Lists in SQL Server 2005 and Beyond, When Table Value Parameters Do Not Cut it" by Erland Sommarskog
你需要创建一个分裂的功能。这是一个分裂的功能如何使用:
SELECT
*
FROM YourTable y
INNER JOIN dbo.yourSplitFunction(@Parameter) s ON y.ID=s.Value
I prefer the number table approach to split a string in TSQL但也有许多方法来拆分在SQL Server中的字符串,见前面的链接,这说明各的优点和缺点。
对于数字表的方法来工作,你需要做的这一次表的设置,这将创建一个包含从1到10000行的表Numbers
:
SELECT TOP 10000 IDENTITY(int,1,1) AS Number
INTO Numbers
FROM sys.objects s1
CROSS JOIN sys.objects s2
ALTER TABLE Numbers ADD CONSTRAINT PK_Numbers PRIMARY KEY CLUSTERED (Number)
一旦Numbers表格设置,创建此分割功能:
CREATE FUNCTION [dbo].[FN_ListToTable]
(
@SplitOn char(1) --REQUIRED, the character to split the @List string on
,@List varchar(8000)--REQUIRED, the list to split apart
)
RETURNS TABLE
AS
RETURN
( ----------------
--SINGLE QUERY-- --this will not return empty rows
----------------
SELECT
ListValue
FROM (SELECT
LTRIM(RTRIM(SUBSTRING(List2, number+1, CHARINDEX(@SplitOn, List2, number+1)-number - 1))) AS ListValue
FROM (
SELECT @SplitOn + @List + @SplitOn AS List2
) AS dt
INNER JOIN Numbers n ON n.Number < LEN(dt.List2)
WHERE SUBSTRING(List2, number, 1) = @SplitOn
) dt2
WHERE ListValue IS NOT NULL AND ListValue!=''
);
GO
您现在可以轻松地拆分CSV字符串转换成表格和加入或使用它,但是你需要:
CREATE PROCEDURE YourProcedure
(
@CSV_Param varchar(1000)
)
AS
--just an example of what you can do
UPDATE t
SET Col1=...
FROM dbo.FN_ListToTable(',',@CSV_Param) dt
INNER JOIN TBL_USERS t ON CAST(dt.value AS INT)=t.id
GO