zoukankan      html  css  js  c++  java
  • 查询结果合并用逗号分隔

    ERP导入基础资料需要将货品尺码横排并用逗号分隔

    方式一

    DECLARE @WZ1 VARCHAR
    SET @WZ1='1'
    SELECT DISTINCT STUFF((SELECT ',' + GGDM + QUOTENAME(ggmc) FROM guige2 WHERE GGWZ1=@WZ1 FOR XML PATH('')),1,1,'')
    FROM   GUIGE2 AS g
    WHERE g.GGWZ1=@WZ1

    方式二

    DECLARE @str VARCHAR(MAX)
    SET @str=''
    SELECT @str += ',' + GGDM + QUOTENAME(GGMC) FROM GUIGE2 WHERE GGWZ1='1'
    SELECT STUFF(@str,1,1,'')

    方式三

    declare @str varchar(MAX)
    select @str = case isnull(@str, '') when '' then '' else @str + ',' end +GGDM + QUOTENAME(GGMC) FROM GUIGE2 WHERE GGWZ1='1'
    select @str

     案例

    SELECT vsm.SPDM AS 商品代码,
           vsm.SPMC AS 商品名称,
           (
               SELECT STUFF((SELECT  DISTINCT ',' + GG1DM + QUOTENAME(GG1MC) FROM VW_ShangpinMX WHERE SPDM=vsm.SPDM FOR XML PATH('')),1,1,'') 
           ) AS 颜色明细,
           (
               SELECT STUFF((SELECT DISTINCT ',' + GG2DM + QUOTENAME(GG2MC) FROM VW_ShangpinMX  WHERE SPDM=vsm.SPDM FOR XML PATH('')),1,1,'')
           ) AS 尺码明细
    FROM   VW_ShangpinMX AS vsm
    WHERE  vsm.SPDM LIKE '23%'  --减少数据量做了查询限制
    GROUP BY vsm.SPDM,vsm.SPMC
    ORDER BY vsm.SPDM

  • 相关阅读:
    工厂模式
    Bootstrap 日历
    处理乱码
    Eclipse常用快捷键
    C#_XML与Object转换
    jQuery选择函数
    Bootstrap如何正确引用字体图标
    js上拉加载、下拉刷新的插件
    js通用对象数组冒牌排序
    关于js跨域
  • 原文地址:https://www.cnblogs.com/liessay/p/8073326.html
Copyright © 2011-2022 走看看