SQL行列转换——商品SKU颜色尺码合并

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create procedure proc_GoodsSkuCombine
as
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N‘[dbo].[GoodsTemp1]‘) AND type in (N‘U‘))
DROP TABLE [dbo].GoodsTemp1


;with roy as
(select Number,ColorName,SizeName,row=row_number()over(partition by Number,ColorName order by Number,ColorName ) from V_JSKC_BySKU)
,Roy2 as
(select Number,ColorName,
cast(SizeName as nvarchar(100))SizeName,row from Roy where row=1
union all
select a.Number,a.ColorName,
cast(b.SizeName+‘,‘+a.SizeName as nvarchar(100)),a.row from Roy a join Roy2 b
on a.Number=b.Number and a.ColorName=b.ColorName and a.row=b.row+1)
select Number,ColorName,SizeName
into GoodsTemp1
from Roy2 a
where row=(select max(row) from roy where Number=a.Number and ColorName=a.ColorName) order by Number,ColorName option (MAXRECURSION 0)


IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N‘[dbo].[GoodsTemp2]‘) AND type in (N‘U‘))
DROP TABLE [dbo].GoodsTemp2


;with roy as
(select Number,ColorName,SizeName,row=row_number()over(partition by Number order by Number ) from GoodsTemp1)
,Roy2 as
(select Number,SizeName,
cast(ColorName as nvarchar(100))ColorName,row from Roy where row=1
union all
select a.Number,a.SizeName,
cast(b.ColorName+‘,‘+a.ColorName as nvarchar(100)),a.row from Roy a join Roy2 b
on a.Number=b.Number and a.row=b.row+1)
select Number,ColorName,SizeName
into GoodsTemp2
from Roy2 a
where row=(select max(row) from roy where Number=a.Number ) order by Number option (MAXRECURSION 0)

SQL行列转换——商品SKU颜色尺码合并

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原文地址：http://www.cnblogs.com/souga/p/5802304.html