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Sql 基于3列上的SELECT DISTINCT创建临时表,但有1个额外列_Sql_Sql Server_Distinct_Temp Tables - Fatal编程技术网

Sql 基于3列上的SELECT DISTINCT创建临时表,但有1个额外列

Sql 基于3列上的SELECT DISTINCT创建临时表,但有1个额外列,sql,sql-server,distinct,temp-tables,Sql,Sql Server,Distinct,Temp Tables,我需要制作一个临时文件,其中包含: 零件代码、变更日期、移动类型、数量 每个零件代码每个Movementtype都有多个MutationDate,最多可能有9个Movementtype 我需要得到每个零件代码的每个移动类型的最后一次变异日期以及与之相应的数量 零件代码为003307的示例 003307 2018-05-31 1 -100 003307 2018-06-11 2 -33 003307 2018-04-25 3 +25 依此类推,适用于所有9种移动类型 到目前为止我得到了什么: c

我需要制作一个临时文件,其中包含:

零件代码、变更日期、移动类型、数量

每个零件代码每个Movementtype都有多个MutationDate,最多可能有9个Movementtype 我需要得到每个零件代码的每个移动类型的最后一次变异日期以及与之相应的数量

零件代码为003307的示例

003307 2018-05-31 1 -100
003307 2018-06-11 2 -33
003307 2018-04-25 3 +25
依此类推,适用于所有9种移动类型

到目前为止我得到了什么:

create table #LMUT(
    MutationDate T_Date
    ,PartCode T_Code_Part
    ,CumInvQty T_Quantum_Qty10_3
    ,MovementType T_Type_PMOverInvt
    )

    insert #LMUT(
    MutationDate,
    Partcode,
    CumInvQty,
    MovementType)
    SELECT
    cast (max(MOV.MutationDate) as date)
    ,MOV.PartCode
    ,INV.MutationQty
    ,INV.PMOverInvtType
    FROM dbo.T_PartMovementMain as MOV
    inner join dbo.T_PartMovementOverInvt as INV on

INV.PMMainCode=MOV.PMMainCode
        WHERE
        MOV.PartMovementType = 1
        group by MOV.PartCode,INV.PMOverInvtType,INV.MutationQty,MOV.MutationDate

SELECT * FROM #LMUT where partcode='003007'
drop table #LMUT
结果:

    2016-12-06 00:00:00.000 003007 -24.000 2
    2016-09-29 00:00:00.000 003007 -24.000 2
    2016-11-09 00:00:00.000 003007 -24.000 2
    2016-11-22 00:00:00.000 003007 -24.000 2
    2016-10-26 00:00:00.000 003007 -24.000 2
    2016-09-12 00:00:00.000 003007 -42.000 2
    2016-10-13 00:00:00.000 003007 -24.000 2
    2016-12-03 00:00:00.000 003007 100.000 5
    2017-01-12 00:00:00.000 003007 -48.000 2
    2016-10-04 00:00:00.000 003007 306.000 7
3007    2   2017-01-12 00:00:00.000
3007    5   2016-12-03 00:00:00.000
3007    7   2016-10-04 00:00:00.000
不是我需要的,还有8次2型

我还试过什么:

SELECT distinct MOV.Partcode,INV.PMOverInvtType,mov.MutationDate
        FROM dbo.T_PartMovementMain as MOV
        inner join dbo.T_PartMovementOverInvt as INV on
        INV.PMMainCode=MOV.PMMainCode
        WHERE
        mov.MutationDate = (SELECT MAX (c.MutationDate) FROM
        dbo.T_PartMovementMain as c
        inner join dbo.T_PartMovementOverInvt as d on D.PMMainCode=c.PMMainCode
                             WHERE
                                     C.PartMovementType = 1 AND
                                     C.PartCode=mov.PartCode AND
                                     D.PMMainCode = C.PMMainCode AND
                                     D.PMOverInvtType=inv.PMOverInvtType                                     
                                    )        
         and MOV.PartMovementType = 1 and mov.partcode='003007'
        order by MOV.Partcode,INV.PMOverInvtType
结果:

    2016-12-06 00:00:00.000 003007 -24.000 2
    2016-09-29 00:00:00.000 003007 -24.000 2
    2016-11-09 00:00:00.000 003007 -24.000 2
    2016-11-22 00:00:00.000 003007 -24.000 2
    2016-10-26 00:00:00.000 003007 -24.000 2
    2016-09-12 00:00:00.000 003007 -42.000 2
    2016-10-13 00:00:00.000 003007 -24.000 2
    2016-12-03 00:00:00.000 003007 100.000 5
    2017-01-12 00:00:00.000 003007 -48.000 2
    2016-10-04 00:00:00.000 003007 306.000 7
3007    2   2017-01-12 00:00:00.000
3007    5   2016-12-03 00:00:00.000
3007    7   2016-10-04 00:00:00.000
这就是我想要的,但我也需要获得数量。

使用行数窗口功能

   with cte as

(         SELECT  MOV.*,INV.*,
          row_number() over(partition by INV.PMOverInvtType order by MOV.MutationDate desc)rn
            FROM dbo.T_PartMovementMain as MOV
            inner join dbo.T_PartMovementOverInvt as INV on
            INV.PMMainCode=MOV.PMMainCode
) select cte.* from cte where rn=1
这样解决:

  create table #LMUT(
   PartCode     T_Code_Part
   ,MovementType T_Type_PMOverInvt
   ,MutationDate T_Date 
   ,CumInvQty    T_Quantum_Qty10_3
   )

insert #LMUT(Partcode,MovementType,MutationDate,CumInvQty)
    select Artikel,Type,Datum,Aant
    from (
        SELECT  MOV.Partcode as Artikel,INV.PMOverInvtType as Type,mov.MutationDate as Datum,INV.MutationQty as Aant,
          row_number() over(partition by MOV.Partcode,INV.PMOverInvtType order by MOV.Partcode,INV.PMOverInvtType,MOV.MutationDate desc) rn
            FROM dbo.T_PartMovementMain as MOV
            inner join dbo.T_PartMovementOverInvt as INV on INV.PMMainCode=MOV.PMMainCode) cse
    where rn=1
select * from #LMUT  order by Partcode  
drop table #LMUT

它起作用了!谢谢。我从未听说过这个“with”函数和行号。cte为SELECT MOV.Partcode、INV.PMOVERINVTYPE、MOV.MutationDate、INV.MutationQty、MOV.Partcode的行号超额分配、MOV.Partcode的INV.PMOVERINVTYPE订单、INV.PMOVERINVTYPE、,MOV.MutationDate desc rn FROM dbo.T_PartMovementMain as MOV internal join dbo.T_PartMovementOverInvt as INV on INV.PMMainCode=MOV.PMMainCode选择cte.*从cte中,rn=1这是我现在使用的代码。