尝试在SQL Server 2016中传递逗号分隔值时出错

CREATE FUNCTION dbo.SplitString 
(
    @string NVARCHAR(MAX), 
    @delimiter CHAR(1)
)
RETURNS @output TABLE(splitdata NVARCHAR(MAX))
BEGIN
    DECLARE @start INT, @end INT
    SELECT @start = 1, @end = CHARINDEX(@delimiter, @string)
    WHILE @start < LEN(@string) + 1 BEGIN
        IF @end = 0 
            SET @end = LEN(@string) + 1
    
        INSERT INTO @output (splitdata) 
        VALUES(SUBSTRING(@string, @start, @end - @start))
        SET @start = @end + 1
        SET @end = CHARINDEX(@delimiter, @string, @start)
        
    END
    RETURN
END

DECLARE @csvString NVARCHAR(MAX) = 'value1,value2,value3'
SELECT * FROM dbo.SplitString(@csvString, ',')

DECLARE @csvString NVARCHAR(MAX) = 'value1,value2,value3'
DECLARE @xml XML = CAST('<i>' + REPLACE(@csvString, ',', '</i><i>') + '</i>' AS XML)

SELECT 
    x.i.value('.', 'NVARCHAR(MAX)') AS value
FROM 
    @xml.nodes('//i') AS x(i)