首先,让我们使用 SQL 函数来执行分隔数据的拆分:
CREATE FUNCTION dbo.Split
(
@RowData nvarchar(2000),
@SplitOn nvarchar(5)
)
RETURNS @RtnValue table
(
Id int identity(1,1),
Data nvarchar(100)
)
AS
BEGIN
Declare @Cnt int
Set @Cnt = 1
While (Charindex(@SplitOn,@RowData)>0)
Begin
Insert Into @RtnValue (data)
Select
Data = ltrim(rtrim(Substring(@RowData,1,Charindex(@SplitOn,@RowData)-1)))
Set @RowData = Substring(@RowData,Charindex(@SplitOn,@RowData)+1,len(@RowData))
Set @Cnt = @Cnt + 1
End
Insert Into @RtnValue (data)
Select Data = ltrim(rtrim(@RowData))
Return
END
要使用它,您只需将分隔字符串和分隔符传递给函数,如下所示:
SELECT
*
FROM
TableName
WHERE
ColumnName IN (SELECT Data FROM dbo.Split(@DelimitedData, ','))
如果您仍然有问题,由于数据类型,请尝试:
SELECT
*
FROM
TableName
WHERE
ColumnName IN (SELECT CONVERT(int,Data) FROM dbo.Split(@DelimitedData, ','))