sql 多列 分隔

[再来壹串]

GO
IF OBJECT_ID('tempdb..#a') IS NOT NULL DROP TABLE #a
CREATE TABLE #a(ids1 NVARCHAR(22),ids2 NVARCHAR(22))
GO
INSERT INTO #a(ids1,ids2)
SELECT '1,2,3,4','a,b,c,d' UNION ALL
SELECT '一,二,三,四','A,B,C,D' 
GO
SELECT * FROM #a

SELECT a.val,b.val FROM (
	SELECT a.value AS val,ROW_NUMBER()OVER(ORDER BY a.value) AS row FROM #a tba
	CROSS APPLY dbo.Split(tba.ids1,',')a 
)a LEFT JOIN (
	SELECT a.value AS val,ROW_NUMBER()OVER(ORDER BY a.value) AS row FROM #a tba
	CROSS APPLY dbo.Split(tba.ids2,',')a
)b ON a.row = b.row


/*

(2 行受影响)
ids1                   ids2
---------------------- ----------------------
1,2,3,4                a,b,c,d
一,二,三,四                A,B,C,D

(2 行受影响)

我想把上面的结果集转换成下面这样，怎么弄？

val val
-----
1 a
2 A
3 B
4 b
二 c
三 C
四 D
一 d

(8 行受影响)

*/

[-Tracy-McGrady-]

http://bbs.csdn.net/topics/390599689 yong spt_values

[唐诗三百首]

CREATE TABLE #a(ids1 NVARCHAR(22),ids2 NVARCHAR(22))

INSERT INTO #a(ids1,ids2)
SELECT '1,2,3,4','a,b,c,d' UNION ALL
SELECT '一,二,三,四','A,B,C,D' 


select x.val1,y.val2 from
(select substring(a.ids1,b.number,charindex(',',a.ids1+',',b.number)-b.number) 'val1',
       row_number() over(order by getdate()) 'rn'
 from #a a,master..spt_values b
 where b.type='P' and b.number between 1 and len(a.ids1)
 and substring(','+a.ids1,b.number,1)=',') x
inner join
(select substring(a.ids2,c.number,charindex(',',a.ids2+',',c.number)-c.number) 'val2',
       row_number() over(order by getdate()) 'rn'
 from #a a,master..spt_values c
 where c.type='P' and c.number between 1 and len(a.ids2)
 and substring(','+a.ids2,c.number,1)=',') y on x.rn=y.rn

/*
val1                   val2
---------------------- ----------------------
1                      a
2                      b
3                      c
4                      d
一                      A
二                      B
三                      C
四                      D

(8 row(s) affected)
*/

[Landa_Jimmy]

GO
IF OBJECT_ID('tempdb..#a') IS NOT NULL DROP TABLE #a
CREATE TABLE #a(ids1 NVARCHAR(22),ids2 NVARCHAR(22))
GO
INSERT INTO #a(ids1,ids2)
SELECT '1,2,3,4','a,b,c,d' UNION ALL
SELECT '一,二,三,四','A,B,C,D' 
GO
 SELECT * FROM #a



;with cte as
(
	select ids1+','as ids1,ids2+',' as ids2
	from #a
)
,cte1 as
(
	select left(ids1,charindex(',',ids1)-1) as val,
	       right(ids1,len(ids1)-charindex(',',ids1)) as result,
		   left(ids2,charindex(',',ids2)-1) as val2,
	       right(ids2,len(ids2)-charindex(',',ids2)) as result2
	from cte
	union all
	select left(result,charindex(',',result)-1) as val,
	       right(result,len(result)-charindex(',',result)) as result,
		   left(result2,charindex(',',result2)-1) as val2,
	       right(result2,len(result2)-charindex(',',result2)) as result2
	from cte1
	where len(result)>1 and len(result2)>1
)
select val,val2 from cte1
order by val
-------------------------------------------------------------
val                     val2
----------------------- -----------------------
1                       a
2                       b
3                       c
4                       d
二                       B
三                       C
四                       D
一                       A

(8 行受影响)

[再来壹串]

good