如果我正确理解了您的问题,那么答案是肯定的,就在您已经说明的情况下。您可以使用以下条带将字符串转换为表格。如果您将返回表声明为表变量,那么您可以将它作为一个
DELETE where EXISTS(....)
Create function [dbo].[atf_BarListToTable]
(@list ntext)
RETURNS @tbl TABLE (ListPosn int IDENTITY(1, 1) NOT NULL,
SString VARCHAR(1028) NOT NULL) AS
BEGIN
DECLARE @pos int
DECLARE @textpos int
DECLARE @ChunkLength smallint
DECLARE @str nvarchar(4000)
DECLARE @tmpstr nvarchar(4000)
DECLARE @leftover nvarchar(4000)
SET @textpos = 1
SET @leftover = ''
WHILE @textpos <= datalength(@list) / 2
BEGIN
SET @ChunkLength = 4000 - datalength(@leftover) / 2
SET @tmpstr = ltrim(@leftover + substring(@list, @textpos, @ChunkLength))
SET @textpos = @textpos + @ChunkLength
SET @pos = charindex('|', @tmpstr)
WHILE @pos > 0
BEGIN
SET @str = substring(@tmpstr, 1, @pos - 1)
INSERT @tbl (SString) VALUES( @str)
SET @tmpstr = ltrim(substring(@tmpstr, @pos + 1, len(@tmpstr)))
SET @pos = charindex('|', @tmpstr)
END
SET @leftover = @tmpstr
END
IF ltrim(rtrim(@leftover)) <> ''
INSERT @tbl (SString) VALUES(@leftover)
RETURN
END