请教一个关于 sql server 多对多核销的问题 - V2EX
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yixuling
V2EX    数据库

请教一个关于 sql server 多对多核销的问题

  •  1
     
  •   yixuling 2022-12-20 15:06:07 +08:00 1452 次点击
    这是一个创建于 1105 天前的主题,其中的信息可能已经有所发展或是发生改变。

    目前有 BOM 和领料,需要根据 BOM 的需求数量,根据先进先出的原则,BOM 用了哪些领料,也就是列出那些领料对应哪条 BOM ,以及用掉多少,目前能想到的方案是用游标逐行判单,记录核销数量,但在数据量比较大的情况下,执行效率十分低,是否有比较高效的解决方案。

    IF OBJECT_ID('tempdb.dbo.#BOM') IS NOT NULL DROP TABLE #BOM CREATE TABLE #BOM ( in_Code NVARCHAR(60), in_Date DATETIME, Orders NVARCHAR(60), BOM_materials NVARCHAR(60), in_Qty DECIMAL(18,4) ) INSERT INTO #BOM (in_Code, in_Date, Orders, BOM_materials, in_Qty) VALUES (N'RK0001', '2022-03-08', N'A01', N'L01', 50), (N'RK0001', '2022-03-08', N'A01', N'L02', 30), (N'RK0002', '2022-03-15', N'A01', N'L01', 50) SELECT * FROM #BOM 
    in_Code in_Date Orders BOM_materials in_Qty
    RK0001 2022-03-05 A01 L01 50
    RK0001 2022-03-05 A01 L02 30
    RK0002 2022-03-18 A01 L01 50
    IF OBJECT_ID('tempdb.dbo.#picking') IS NOT NULL DROP TABLE #picking CREATE TABLE #picking ( out_Code NVARCHAR(60), out_Date DATETIME, Orders NVARCHAR(60), materials NVARCHAR(60), out_Qty DECIMAL(18,4), out_ID BIGINT ) INSERT INTO #picking (out_Code, out_Date, Orders, materials, out_Qty, out_ID) VALUES (N'CK0001', '2022-01-08', N'A01', N'L01', 90, 1), (N'CK0002', '2022-01-20', N'A01', N'L01', 70, 2), (N'CK0003', '2022-01-30', N'A01', N'L02', 10, 3) SELECT * FROM #picking 
    out_Code out_Date Orders materials out_Qty out_ID
    CK0001 2022-01-08 A01 L01 90 1
    CK0002 2022-01-20 A01 L01 70 2
    CK0003 2022-01-30 A01 L02 10 3

    期望结果

    in_Code in_Date Orders BOM_materials in_Qty out_Code out_Qty need_Qty out_id
    RK0001 2022-03-05 A01 L01 50 CK0001 90 50 1
    RK0001 2022-03-05 A01 L02 30 CK0003 10 10 3
    RK0002 2022-03-18 A01 L01 50 CK0001 90 40 1
    RK0002 2022-03-18 A01 L01 50 CK0002 70 10 2
    xuanbg
        1
    xuanbg  
       2022-12-21 00:08:19 +08:00
    完全看不懂。。。

    BOM 没有对应的工艺配料表?没有下料单?没有材料出库单?没有成品入库单?你这个期望结果财务能用?
    tkhlo
        2
    tkhlo  
       2022-12-21 10:46:20 +08:00
    这是先进先出计算利润的方法,看下有没有参考价值:

    select identity(int,1,1) ID,* into #1 from Tin order by 品种,时间
    select 品种,sum(数量) 数量 into #2 from Tout group by 品种

    select 品种,sum(数量) 数量,sum(数量*价格) 金额
    from (
    select a.品种,
    (case when (select sum(数量) from #1 where ID<=a.ID and 品种=a.品种)<= b.数量 then 0 else
    (case when (select isnull(sum(数量),0) from #1 where ID<a.ID and 品种=a.品种)<= b.数量 then
    (select sum(数量) from #1 where ID<=a.ID and 品种=a.品种)-b.数量 else a.数量 end) end) 数量,
    价格
    from #1 a,#2 b
    where a.品种=b.品种) a
    group by 品种
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