SQL语句实现Split并合并查询结果

IF EXISTS ( SELECT  *
FROM    dbo.sysobjects
WHERE   id = OBJECT_ID(N'[dbo].[f_splitSTR]')
AND xtype IN ( N'FN', N'IF', N'TF' ) )
DROP FUNCTION [dbo].[f_splitSTR];
GO
--方法1：循环截取法
CREATE FUNCTION f_splitSTR
(
@s VARCHAR(8000) ,   --待分拆的字符串
@split VARCHAR(10)     --数据分隔符
)
RETURNS @re TABLE ( col VARCHAR(100) )
AS
BEGIN
DECLARE @splitlen INT;
SET @splitlen = LEN(@split + 'a') - 2;
WHILE CHARINDEX(@split, @s) > 0
BEGIN
INSERT  @re
VALUES  ( LEFT(@s, CHARINDEX(@split, @s) - 1) );
SET @s = STUFF(@s, 1, CHARINDEX(@split, @s) + @splitlen, '');
END;
INSERT  @re
VALUES  ( @s );
RETURN;
END;
GO

SELECT* FROM BPM_EnterpriseOrgActivity e CROSS APPLY f_splitSTR(e.PaymentId,';')