新手——剛開始研究BOM，不對之處還望各位博友不吝賜教

1、創建BOM父項表?? ?——FID,FItemID

create table HWbom ( FId int identity(1,1), FItemID int )

2、創建BOM子項表?? ?——FID,FOrgID,FParentID,FLevel,FSN,FItemID,FQty,FBOMInterID,FEntryID

create table HWbomchild (FID int identity(1,1),FOrgID int,FParentID int,FLevel int,FSN nvarchar(200),FItemID int,FQty decimal(28,19),FBOMInterID int,FEntryID int )

3、將父項BOM對應的物料內碼插入父項表（可帶條件）

--t_ICItem——物料表 --t_item——基礎資料主表 --icbom——BOM表 --ICBOMGROUP——BOM組別表--物料表FErpClsID 物料屬性（1-外購,2-自制,3-委外加工,5-虛擬件） --基礎資料主表 fdeleted 是否刪除（0，未刪除） --基礎資料主表 FItemClassID 對應編碼： --1-客戶 --2-部門 --3-職員 --4-商品 --5-倉位 --7-單位 --8-供應商 --基礎資料主表 FDetail 是否明細（1，明細）-- delete from HWbom INSERT INTO HWbom ( FItemID ) SELECT t.Fitemid FROMt_ICItem t --71615INNER JOIN t_item t5 ON t5.FItemID = t.FitemidLEFT JOIN icbom t6 ON t6.fitemid= t.FitemidLEFT JOIN ICBOMGROUP t7 ON t7.finterid= t6.fparentid WHEREt.FErpClsID IN ( 1, 2, 3, 5 ) --2代表自制件，3代表委外件，5代表虛擬件AND t5.FItemClassID= 4 AND t5.FDeleted= 0 AND t5.FDetail= 1 --類型是4（商品），未刪除，明細是1 --and t5.fnumber in('物料編碼1','物料編碼2') --可根據需要限定BOM范圍ORDER BYt.fnumber

4、根據父項表數據，將數據插入子項表，為后續卷算做準備

INSERT INTO HWbomchild ( FOrgID, FParentID, FSN, FItemID, FQty, FBOMInterID, FEntryID, FLevel ) SELECTFId,- 1 AS FParentID,'001',u1.FItemID,1 AS Fqty,t1.FInterID AS FBOMInterID,- 1 AS FEntryID,0 FROMHWbom u1LEFT JOIN ICBOM t1 ON u1.FItemID= t1.FItemID AND t1.FUseStatus= 1072

5、BOM卷算

DECLARE@LEVEL INT SET @LEVEL = 1WHILEEXISTS ( SELECT 1 FROM HWbomchild WHERE FLevel = @LEVEL - 1 AND FItemID IN ( SELECT Fitemid FROM icbom WHERE FUseStatus = 1072 ) ) AND @LEVEL < 20 BEGININSERT INTO HWbomchild ( FOrgID, FParentID, FSN, FItemID, FQty, FBOMInterID, FEntryID, FLevel ) SELECTu1.FOrgID,u1.FID,u1.FSN+ '.' + RIGHT ( '000' + CONVERT ( nvarchar ( 50 ), t2.Fentryid ), 3 ),t2.Fitemid,u1.FQty* ( t2.FQty/ t1.FQty ) / ( 1-t2.FScrap/ 100 ),t2.FInterID,t2.FEntryID,@LEVEL FROMHWbomchild u1INNER JOIN icbom t1 ON u1.FItemID= t1.FItemIDINNER JOIN ICBOMChild t2 ON t2.FInterID= t1.FInterID WHEREu1.FLevel=@LEVEL - 1 AND t1.FUseStatus= 1072 SET @LEVEL =@LEVEL + 1 END

6、最終BOM展開數據檢索

SELECTt2.FModel 專機號,t4.FBOMNumber BOM編號,t2.FNumber 產品代碼,t2.FName 產品名稱,t1.FSN 序號,t3.FNumber 材料代碼,t3.FName 材料名稱,t3.FModel 材料規格,t1.FQty 產品用量,yy.fname 材料屬性,t5.FQty 單位用量,t5.FScrap 損耗率,t6.FName AS 是否跳層,t5.FNote 備注,t5.FPositionNo 位置號 FROMHWbom u1INNER JOIN HWbomchild t1 ON u1.FId= t1.FOrgIDINNER JOIN t_icitem t2 ON t2.FItemID= u1.FItemIDINNER JOIN t_ICItem t3 ON t3.FItemID= t1.FItemIDLEFT JOIN ICBOM t4 ON t4.FInterID= t1.FBOMInterIDLEFT JOIN ICBOMChild t5 ON t5.FInterID= t1.FBOMInterID AND t5.FEntryID= t1.FEntryIDLEFT JOIN t_SubMessage t6 ON t6.FInterID= t4.FBOMSkipINNER JOIN t_SubMessage yy ON yy.FInterID= t3.FErpClsID where t2.FModel='EYY33/04/S.515' AND T4.FUseStatus = 1072 and t4.FBomType <> 3 --FBomType；0-普通,1-配置類,2-生產規劃類,3-客戶BOM,4-特征類 -- and t4.fitemid=t2.fitemid -- and t4.FBOMNumber = 'BOM019979'order by u1.FId,t1.FSN

7、最后清空父項表和子項表數據

TRUNCATE TABLE HWbom --清空附表數據 TRUNCATE TABLE HWbomchild --清空子表數據

8、如果不再使用，可以將這兩個表刪除

DROP TABLE HWbom --刪除父表 DROP TABLE HWbomchild --刪除子表

9、依據BOM號或規格型號查詢某bom所有層級物料價格——注意這只能查詢出BOM字表單層級的

在以上1-8以需求選取基礎上創建一個定時任務每天實時同步BOM，其中的參數如下，注釋的為依據BOM查詢，第一條為規格型號查詢

AND t2.FModel='ATD60L/19.300.E01'
-- and t4.fitemid=t2.fitemid
-- and t4.FBOMNumber = 'BOM019979'

with bb as( ( select t2.FModel 專機號, t4.FBOMNumber BOM編號, t2.FNumber 產品代碼, t2.FName 產品名稱, t1.FSN 序號, t3.FNumber 材料代碼, t3.FName 材料名稱,t3.FModel 材料規格 ,t1.FQty 產品用量,yy.fname 材料屬性, t5.FQty 單位用量, t5.FScrap 損耗率, t6.FName as 是否跳層, t5.FNote 備注, t5.FPositionNo 位置號from HWbom u1 inner join HWbomchild t1 on u1.FId=t1.FOrgID inner join t_icitem t2 on t2.FItemID=u1.FItemID inner join t_ICItem t3 on t3.FItemID=t1.FItemID left join ICBOM t4 on t4.FInterID=t1.FBOMInterID left join ICBOMChild t5 on t5.FInterID=t1.FBOMInterID and t5.FEntryID=t1.FEntryID left join t_SubMessage t6 on t6.FInterID=t4.FBOMSkip inner join t_SubMessage yy on yy.FInterID=t3.FErpClsID --left join pp on pp.FNumber=t3.FNumber where T4.FUseStatus = 1072 and t4.FBomType <> 3 --FBomType；0-普通,1-配置類,2-生產規劃類,3-客戶BOM,4-特征類 AND t2.FModel='ATD60L/19.300.E01' -- and t4.fitemid=t2.fitemid -- and t4.FBOMNumber = 'BOM019979' )) select bb.*,pp.FName,pp.FPrice from bb left join ( select zz.* from( SELECT v1.FNumber AS FSupplyNumber,t1.FModel,v1.FName, u1.FPrice, t1.FNumber AS FItemNumber, u1.FLastModifiedDate, t1.FName AS FItemName, row_number ( ) OVER ( partition BY t1.FNumber,v1.FNumber ORDER BY u1.FLastModifiedDate DESC ) Suquence FROM t_SupplyEntry u1 INNER JOIN t_Supplier v1 ON u1.FSupID=v1.FItemIDINNER JOIN t_Supply u2 ON u1.FSupID = u2.FSupID AND u1.FItemID=u2.FItemID AND u1.FPType=u2.FPTypeINNER JOIN t_ICItem t1 ON u2.FItemID = t1.FItemIDINNER JOIN t_MeasureUnit t2 ON u1.FUnitID = t2.FItemIDINNER JOIN t_Currency t3 ON u1.FCyID = t3.FCurrencyIDINNER JOIN t_Currency u3 ON u3.FCurrencyID = u2.FCurrencyIDLEFT JOIN ICSupOperation t7 on u1.FEntryID=t7.FIDLEFT JOIN t_item t5 ON t1.FParentID=t5.FItemIDLEFT JOIN t_User U ON u1.FLastModifiedBy = U.FUserIDLEFT JOIN t_SubMessage t8 ON t7.FOpID=t8.FInterIDLEFT JOIN t_User uu ON uu.FUserID <> 0 AND u1.FCheckerID = uu.FUserIDWHERE v1.FStatus<>1074 and u1.FPType = '1')zzwhere zz.Suquence=1 )pp on bb.材料代碼=pp.FItemNumber

10、若要實現多級展開需要捋順BOM的層級邏輯關系

BOM主表與子表之間可能只是存儲了一層的關聯關系；通過BOM主子表關聯出來這一層后，這一層中所包含的物料很可能是個組件對應的是另一個BOM需要對它進行再次的展開

通過關聯關系將子表中對應的物料id查詢出，可再通過關聯關系查詢出對應物料的用料信息，價格信息

因為每個物料對應的BOM很可能是不一致的所以多級展開無法使用BOM進行查詢，此處我使用的是規格型號，可自己再往上加條件

with bb as( select distinct cc.FItemID from HWbomchild cc inner join t_ICItem t3 on t3.FItemID=cc.FItemID where cc.FBOMInterID in( selectdistinct t1.FBOMInterIDfrom HWbom u1 inner join HWbomchild t1 on u1.FId=t1.FOrgID inner join t_icitem t2 on t2.FItemID=u1.FItemID inner join t_ICItem t3 on t3.FItemID=t1.FItemID left join ICBOM t4 on t4.FInterID=t1.FBOMInterID left join ICBOMChild t5 on t5.FInterID=t1.FBOMInterID and t5.FEntryID=t1.FEntryID --添加與BOM分組表關聯 left join t_SubMessage t6 on t6.FInterID=t4.FBOMSkip inner join t_SubMessage yy on yy.FInterID=t3.FErpClsID --left join pp on pp.FNumber=t3.FNumber where T4.FUseStatus = 1072 and t4.FBomType <> 3 --FBomType；0-普通,1-配置類,2-生產規劃類,3-客戶BOM,4-特征類 AND t2.FModel='ADW77K') ) select aa.FItemID,aa.FModel,aa.FName,aa.FNumber,aa.FDeleted,aa.FErpClsID,FUnitID,FUseState,aa.FFullName from bb left join t_ICItem aa on aa.FItemID = bb.FItemID left join ( select zz.* from( SELECT v1.FNumber AS FSupplyNumber,t1.FModel,v1.FName, u1.FPrice, t1.FNumber AS FItemNumber, u1.FLastModifiedDate, t1.FName AS FItemName, row_number ( ) OVER ( partition BY t1.FNumber,v1.FNumber ORDER BY u1.FLastModifiedDate DESC ) Suquence FROM t_SupplyEntry u1 INNER JOIN t_Supplier v1 ON u1.FSupID=v1.FItemIDINNER JOIN t_Supply u2 ON u1.FSupID = u2.FSupID AND u1.FItemID=u2.FItemID AND u1.FPType=u2.FPTypeINNER JOIN t_ICItem t1 ON u2.FItemID = t1.FItemIDINNER JOIN t_MeasureUnit t2 ON u1.FUnitID = t2.FItemIDINNER JOIN t_Currency t3 ON u1.FCyID = t3.FCurrencyIDINNER JOIN t_Currency u3 ON u3.FCurrencyID = u2.FCurrencyIDLEFT JOIN ICSupOperation t7 on u1.FEntryID=t7.FIDLEFT JOIN t_item t5 ON t1.FParentID=t5.FItemIDLEFT JOIN t_User U ON u1.FLastModifiedBy = U.FUserIDLEFT JOIN t_SubMessage t8 ON t7.FOpID=t8.FInterIDLEFT JOIN t_User uu ON uu.FUserID <> 0 AND u1.FCheckerID = uu.FUserIDWHERE v1.FStatus<>1074 and u1.FPType = '1')zzwhere zz.Suquence=1 )pp on aa.FNumber=pp.FItemNumber

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