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Home » SQL Server 2008 » SQL Server 2008 - General » Recursive CTE for BOM Structures
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SteveEClarke
Posted Tuesday, September 11, 2012 7:58 AM
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Hi Guys,

I am exploring the possibility of changing an inherited stored procedure to use Recursive CTE.

Basically I have 2 tables - "InventoryMaster" and "Bomstructure" - the BomStructure contains "ParentPart, Component, QtyPer, RouteNo"

The first stored procedure calls a second ;

// ------------------------
// BuildBOM1
// ------------------------


SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER OFF
GO

ALTER PROCEDURE [dbo].[BuildBom1]
AS
IF (SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_NAME = 'BOMTable') = 0
BEGIN

CREATE TABLE BOMTable(
TopLevel [char] (30) NULL ,
Parent_Rev [char] (10) NULL ,
Level [int] NULL ,
Assembly [char] (30) NULL ,
Component [char] (30) NULL ,
Component_Rev [char] (10) null,
QtyPer [decimal](12, 6) NULL ,
Route [char] (1) NULL
)
PRINT 'New table BOMTable added'
END

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[BOMTable]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
delete from [BOMTable]

DECLARE @StockCode CHAR(30)

DECLARE MY_CURSOR CURSOR LOCAL FOR
SELECT StockCode from InvMaster
--where
--( PartCategory = 'M' or PartCategory = 'G' ) and ComponentCount > 0 and
--StockCode not in (select distinct Component from BomStructure)
OPEN MY_CURSOR
FETCH NEXT FROM MY_CURSOR into
@StockCode
WHILE @@FETCH_STATUS = 0
BEGIN

--Route '0'
exec BuildBom2 @StockCode,@StockCode, '0' ,0

--Route '1'
exec BuildBom2 @StockCode,@StockCode, '1' ,0

--Route '2'
exec BuildBom2 @StockCode,@StockCode, '2' ,0

--Route '3'
exec BuildBom2 @StockCode,@StockCode, '3' ,0


FETCH NEXT FROM MY_CURSOR into
@StockCode
END
CLOSE MY_CURSOR
DEALLOCATE MY_CURSOR

select * from BOMTable
//------------------------------------------------------------------------------------ End of Procedure

//--------------------------------------------------
// BuildBOM2
// --------------------------------------------------
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

ALTER PROCEDURE [dbo].[BuildBom2] @TOPLevel CHAR(30), @AtLevel CHAR(30), @Route CHAR(1), @Level int
AS
SET @Level = @Level + 1
DECLARE @ParentPart CHAR(30), @Component CHAR(30), @QtyPer Float

DECLARE MY_CURSOR CURSOR LOCAL FOR
SELECT ParentPart, Component, QtyPer, Route
from BomStructure
where ParentPart = @AtLevel AND
Route = @Route
OPEN MY_CURSOR
FETCH NEXT FROM MY_CURSOR into
@ParentPart, @Component, @QtyPer, @Route
WHILE @@FETCH_STATUS = 0
BEGIN
Insert into BOMTable (TopLevel, Assembly,Component,QtyPer,Route,Level)
values (@TOPLevel,@ParentPart, @Component, @QtyPer, @Route,@Level)
EXEC BuildBom2 @TOPLevel, @Component, @Route, @Level
FETCH NEXT FROM MY_CURSOR into
@ParentPart, @Component, @QtyPer,@Route
END
CLOSE MY_CURSOR
DEALLOCATE MY_CURSOR


/* End of Procedure */
Post #1357435
Lynn Pettis
Posted Tuesday, September 11, 2012 8:02 AM


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SteveEClarke (9/11/2012)
Hi Guys,

I am exploring the possibility of changing an inherited stored procedure to use Recursive CTE.

Basically I have 2 tables - "InventoryMaster" and "Bomstructure" - the BomStructure contains "ParentPart, Component, QtyPer, RouteNo"

The first stored procedure calls a second ;

// ------------------------
// BuildBOM1
// ------------------------


SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER OFF
GO

ALTER PROCEDURE [dbo].[BuildBom1]
AS
IF (SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_NAME = 'BOMTable') = 0
BEGIN

CREATE TABLE BOMTable(
TopLevel [char] (30) NULL ,
Parent_Rev [char] (10) NULL ,
Level [int] NULL ,
Assembly [char] (30) NULL ,
Component [char] (30) NULL ,
Component_Rev [char] (10) null,
QtyPer [decimal](12, 6) NULL ,
Route [char] (1) NULL
)
PRINT 'New table BOMTable added'
END

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[BOMTable]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
delete from [BOMTable]

DECLARE @StockCode CHAR(30)

DECLARE MY_CURSOR CURSOR LOCAL FOR
SELECT StockCode from InvMaster
--where
--( PartCategory = 'M' or PartCategory = 'G' ) and ComponentCount > 0 and
--StockCode not in (select distinct Component from BomStructure)
OPEN MY_CURSOR
FETCH NEXT FROM MY_CURSOR into
@StockCode
WHILE @@FETCH_STATUS = 0
BEGIN

--Route '0'
exec BuildBom2 @StockCode,@StockCode, '0' ,0

--Route '1'
exec BuildBom2 @StockCode,@StockCode, '1' ,0

--Route '2'
exec BuildBom2 @StockCode,@StockCode, '2' ,0

--Route '3'
exec BuildBom2 @StockCode,@StockCode, '3' ,0


FETCH NEXT FROM MY_CURSOR into
@StockCode
END
CLOSE MY_CURSOR
DEALLOCATE MY_CURSOR

select * from BOMTable
//------------------------------------------------------------------------------------ End of Procedure

//--------------------------------------------------
// BuildBOM2
// --------------------------------------------------
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

ALTER PROCEDURE [dbo].[BuildBom2] @TOPLevel CHAR(30), @AtLevel CHAR(30), @Route CHAR(1), @Level int
AS
SET @Level = @Level + 1
DECLARE @ParentPart CHAR(30), @Component CHAR(30), @QtyPer Float

DECLARE MY_CURSOR CURSOR LOCAL FOR
SELECT ParentPart, Component, QtyPer, Route
from BomStructure
where ParentPart = @AtLevel AND
Route = @Route
OPEN MY_CURSOR
FETCH NEXT FROM MY_CURSOR into
@ParentPart, @Component, @QtyPer, @Route
WHILE @@FETCH_STATUS = 0
BEGIN
Insert into BOMTable (TopLevel, Assembly,Component,QtyPer,Route,Level)
values (@TOPLevel,@ParentPart, @Component, @QtyPer, @Route,@Level)
EXEC BuildBom2 @TOPLevel, @Component, @Route, @Level
FETCH NEXT FROM MY_CURSOR into
@ParentPart, @Component, @QtyPer,@Route
END
CLOSE MY_CURSOR
DEALLOCATE MY_CURSOR


/* End of Procedure */


It would help if you posted the DDL for the tables, some sample data for the tables (as a series of insert into statements), and the expecte results based on the sample data you provide.


Lynn Pettis

For better assistance in answering your questions, click here
For tips to get better help with Performance Problems, click here
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Post #1357437
SteveEClarke
Posted Tuesday, September 11, 2012 8:05 AM
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.
Post #1357439
Lynn Pettis
Posted Tuesday, September 11, 2012 8:13 AM


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SteveEClarke (9/11/2012)
Ths is the actual resultset ( from current SP's )

TopLevel Level Assembly Component QtyPer Route
CD150M-BS-020 1 CD150M-BS-020 CD150-CI-ACW-16 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 11-0386-0115 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 12-0282-3065 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 11-0259-0125 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 12-0283-0115 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0430-8412 4.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 43-0763-9912 10.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0445-8132 6.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0435-8412 4.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 12-0284-0115 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1004-4112 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-0620-9913 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-0700-4112 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 41-0586-9911 1.000000 0
CD150M-BS-020 3 41-0586-9911 41-0230-9912 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1445-9912 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1446-9912 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 28-0255-8011 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1036-4112 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 41-0241-6112 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 43-1506-8112 2.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 54-1131-9912 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0230-3612 4.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0201-6162 4.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 21-0230-0115 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 23-0586-9923 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0320-8412 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0301-8762 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0330-8418 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0301-8172 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0440-8132 6.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0401-8762 12.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0401-8182 12.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 33-0644-8132 8.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 33-0601-8762 8.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 33-0601-8182 8.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 47-0148-7913 1.000000 0
CD150M-BS-020 3 47-0148-7913 47-0332-6113 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 35-0420-8412 2.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1034-5413 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1034-5423 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1034-5433 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 38-1034-5443 2.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 36-0646-6513 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 36-0646-6523 1.000000 0
CD150M-BS-020 2 CD150-CI-ACW-16 36-0646-6533 1.000000 0
CD150M-BS-020 1 CD150M-BS-020 MA1242 1.000000 0
CD150M-BS-020 2 MA1242 13-0174-0215 1.000000 0
CD150M-BS-020 2 MA1242 16-0400-8041 1.000000 0
CD150M-BS-020 2 MA1242 39-0069-9912 2.000000 0
CD150M-BS-020 2 MA1242 13-0172-8811 1.000000 0
CD150M-BS-020 2 MA1242 41-0232-9912 1.000000 0
CD150M-BS-020 2 MA1242 38-0809-4112 2.000000 0
CD150M-BS-020 2 MA1242 13-0173-0115 1.000000 0
CD150M-BS-020 2 MA1242 35-0225-8412 3.000000 0
CD150M-BS-020 2 MA1242 35-0201-8762 3.000000 0
CD150M-BS-020 2 MA1242 51-0003-9912 1.000000 0
CD150M-BS-020 2 MA1242 51-0010-9912 1.000000 0
CD150M-BS-020 2 MA1242 43-1048-9912 1.000000 0
CD150M-BS-020 2 MA1242 43-1788-9912 1.000000 0
CD150M-BS-020 2 MA1242 38-1033-4112 1.000000 0
CD150M-BS-020 2 MA1242 45-0281-8812/170 1.000000 0
CD150M-BS-020 3 45-0281-8812/170 45-0281-8812 0.200000 0
CD150M-BS-020 2 MA1242 36-0650-9913 1.000000 0
CD150M-BS-020 2 MA1242 36-0650-9923 1.000000 0
CD150M-BS-020 2 MA1242 36-0650-9933 1.000000 0
CD150M-BS-020 2 MA1242 36-0650-9943 2.000000 0
CD150M-BS-020 2 MA1242 36-0650-9953 1.000000 0
CD150M-BS-020 2 MA1242 43-0733-9912 1.000000 0
CD150M-BS-020 1 CD150M-BS-020 V150-14 1.000000 0
CD150M-BS-020 2 V150-14 23-0590-0125 1.000000 0
CD150M-BS-020 2 V150-14 39-0652-1213 1.000000 0
CD150M-BS-020 2 V150-14 23-0591-4113 1.000000 0
CD150M-BS-020 2 V150-14 33-9560-8132 4.000000 0
CD150M-BS-020 2 V150-14 33-0501-8182 4.000000 0
CD150M-BS-020 2 V150-14 35-0501-8762 4.000000 0
CD150M-BS-020 2 V150-14 23-0592-0125 1.000000 0
CD150M-BS-020 2 V150-14 38-0961-4112 1.000000 0
CD150M-BS-020 2 V150-14 33-9540-8132 4.000000 0
CD150M-BS-020 2 V150-14 28-0130-9912 4.000000 0
CD150M-BS-020 2 V150-14 54-0923-9912 1.000000 0
CD150M-BS-020 2 V150-14 33-0648-8132 8.000000 0
CD150M-BS-020 2 V150-14 33-0601-8182 8.000000 0
CD150M-BS-020 2 V150-14 33-0601-8762 8.000000 0
CD150M-BS-020 1 CD150M-BS-020 EP25-27 1.000000 0
CD150M-BS-020 2 EP25-27 23-0568-2016 1.000000 0
CD150M-BS-020 2 EP25-27 23-0571-2016 1.000000 0
CD150M-BS-020 2 EP25-27 38-1013-4112 1.000000 0
CD150M-BS-020 2 EP25-27 38-1014-4112 1.000000 0
CD150M-BS-020 2 EP25-27 23-0570-2011 1.000000 0
CD150M-BS-020 2 EP25-27 23-0567-2011 1.000000 0
CD150M-BS-020 2 EP25-27 23-0412-2011 1.000000 0
CD150M-BS-020 2 EP25-27 39-0641-4113 1.000000 0
CD150M-BS-020 1 CD150M-BS-020 AC150-49 1.000000 0
CD150M-BS-020 2 AC150-49 49-0523-9912 1.000000 0
CD150M-BS-020 2 AC150-49 38-1071-5613 1.000000 0
CD150M-BS-020 2 AC150-49 35-0330-8412 4.000000 0
CD150M-BS-020 2 AC150-49 35-0301-8762 8.000000 0
CD150M-BS-020 2 AC150-49 26-1114-9912 1.000000 0
CD150M-BS-020 2 AC150-49 26-1263-9912 1.000000 0
CD150M-BS-020 2 AC150-49 26-1305-9915 1.000000 0
CD150M-BS-020 2 AC150-49 26-1407-9912 1.000000 0
CD150M-BS-020 2 AC150-49 33-0701-8762 1.000000 0
CD150M-BS-020 2 AC150-49 54-0925-9915 1.000000 0
CD150M-BS-020 3 54-0925-9915 54-0556-9912 1.000000 0
CD150M-BS-020 2 AC150-49 27-2806-8211 1.000000 0
CD150M-BS-020 2 AC150-49 43-1204-7015 1.000000 0
CD150M-BS-020 3 43-1204-7015 43-1204-7004 1.000000 0
CD150M-BS-020 2 AC150-49 43-1483-8112 1.000000 0
CD150M-BS-020 2 AC150-49 43-0718-9913 1.000000 0
CD150M-BS-020 2 AC150-49 43-1632-8112 1.000000 0
CD150M-BS-020 2 AC150-49 27-2805-9821 1.000000 0
CD150M-BS-020 2 AC150-49 35-0399-8402/110 4.000000 0
CD150M-BS-020 2 AC150-49 27-2775-8515 1.000000 0
CD150M-BS-020 2 AC150-49 35-0345-8132 4.000000 0
CD150M-BS-020 2 AC150-49 35-0112-8412 2.000000 0
CD150M-BS-020 2 AC150-49 35-0101-8182 1.000000 0
CD150M-BS-020 2 AC150-49 35-0101-8762 2.000000 0
CD150M-BS-020 2 AC150-49 54-0923-9912 1.000000 0
CD150M-BS-020 2 AC150-49 43-0686-9912 1.000000 0
CD150M-BS-020 2 AC150-49 27-3613-6513 1.000000 0
CD150M-BS-020 2 AC150-49 27-3613-6523 1.000000 0
CD150M-BS-020 2 AC150-49 27-3613-6533 1.000000 0
CD150M-BS-020 2 AC150-49 43-1473-8112 1.000000 0
CD150M-BS-020 2 AC150-49 43-0733-9912 1.000000 0
CD150M-BS-020 1 CD150M-BS-020 SUPP-20 1.000000 0
CD150M-BS-020 2 SUPP-20 27-2796-8211 1.000000 0
CD150M-BS-020 2 SUPP-20 35-0335-8412 2.000000 0
CD150M-BS-020 2 SUPP-20 35-0301-8182 2.000000 0
CD150M-BS-020 2 SUPP-20 35-0301-8762 2.000000 0
CD150M-BS-020 1 CD150M-BS-020 ACC-L-26 1.000000 0
CD150M-BS-020 2 ACC-L-26 47-0344-7911 1.000000 0
CD150M-BS-020 3 47-0344-7911 47-0332-6113 1.000000 0
CD150M-BS-020 1 CD150M-BS-020 ACC-L-23 1.000000 0
CD150M-BS-020 2 ACC-L-23 34-0721-9912 4.000000 0


Not much help. Need the DDL (CREATE TABLE statements) for the the source tables. Some sample data (as a series of INSERT INTO statements) for each table. Expected results based on the sample data you provide.


Lynn Pettis

For better assistance in answering your questions, click here
For tips to get better help with Performance Problems, click here
For Running Totals and its variations, click here or when working with partitioned tables
For more about Tally Tables, click here
For more about Cross Tabs and Pivots, click here and here
Managing Transaction Logs

SQL Musings from the Desert Fountain Valley SQL (My Mirror Blog)
Post #1357449
SteveEClarke
Posted Tuesday, September 11, 2012 9:26 AM
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Ok - sorry about this ....

data to be populated - Master table - InvSteve, link to BomSteve

drop table InvSteve
go
drop table BomSteve
go

create table InvSteve
(
StockCode [char] (30) NULL,
Rev [char] (2) NULL
)

Insert into InvSteve (StockCode, Rev)
SELECT 'CD150M-BS-020','A'
UNION ALL
SELECT 'Test_Part_2','B'
UNION ALL
SELECT 'Test_Part_3','XX'

--------------------------------

create table BomSteve
(
ParentPart [char] (30) NULL,
Component [char] (30) NULL,
QtyPer [decimal] (12,6) NULL,
Route [char] (1) NULL
)

Insert into BomSteve (ParentPart, Component, QtyPer, Route )
SELECT 'CD150M-BS-020','CD150-CI-ACW-16',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','11-0386-0115',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','12-0282-3065',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','11-0259-0125',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','12-0283-0115',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','35-0430-8412',4.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','43-0763-9912',10.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','35-0445-8132',6.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','35-0435-8412',4.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','12-0284-0115',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-1004-4112',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-0620-9913',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-0700-4112',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','41-0586-9911',1.000000, 0
UNION ALL
SELECT '41-0586-9911','41-0230-9912',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-1445-9912',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-1446-9912',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','28-0255-8011',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','33-0601-8762',8.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','33-0601-8182',8.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','47-0148-7913',1.000000, 0
UNION ALL
SELECT '47-0148-7913','47-0332-6113',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-1034-5413',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-1034-5423',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-1034-5433',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','38-1034-5443',2.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','36-0646-6513',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','36-0646-6523',1.000000, 0
UNION ALL
SELECT 'CD150-CI-ACW-16','36-0646-6533',1.000000, 0
UNION ALL
SELECT 'CD150M-BS-020','SUPP-20',1.000000, 0
UNION ALL
SELECT 'SUPP-20','27-2796-8211',1.000000, 0
UNION ALL
SELECT 'SUPP-20','35-0335-8412',2.000000, 0
UNION ALL
SELECT 'SUPP-20','35-0301-8182',2.000000, 0
UNION ALL
SELECT 'SUPP-20','35-0301-8762',2.000000, 0
UNION ALL
SELECT 'CD150M-BS-020','ACC-L-26',1.000000, 0
UNION ALL
SELECT 'ACC-L-26','47-0344-7911',1.000000, 0
UNION ALL
SELECT '47-0344-7911','47-0332-6113',1.000000, 0
UNION ALL
SELECT 'CD150M-BS-020','ACC-L-23',1.000000, 0
UNION ALL
SELECT 'ACC-L-23','34-0721-9912',4.000000, 0
UNION ALL
SELECT 'Test_Part_2','Test_Part_3',99, 1
UNION ALL
SELECT 'Test_Part_3','NO_MORE_COMPONENTS',14,1

---------------------------------------------------
Post #1357519
Lynn Pettis
Posted Tuesday, September 11, 2012 10:20 AM


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Now, based on the data above, what is the expected output?


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Post #1357566
Luis Cazares
Posted Tuesday, September 11, 2012 12:54 PM


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I'm not sure if this gives the correct results. I can't compare it to anything but it should give you something to start with.

;WITH Sample AS(
	SELECT	I.StockCode, 
		B.ParentPart, 
		B.Component, 
		B.QtyPer, 
		B.Route, 
		0 AS [level]
	from #BomSteve B
	JOIN #InvSteve I ON I.StockCode = B.ParentPart
	UNION ALL
	SELECT	s.StockCode, 
		B.ParentPart, 
		B.Component, 
		B.QtyPer, 
		B.Route, 
		s.[level] + 1 AS [level]
	from Sample s
	JOIN #BomSteve B ON s.Component = B.ParentPart
	)
SELECT *
FROM Sample
ORDER BY StockCode, [level], ParentPart, Component

Luis C.
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Post #1357637
SteveEClarke
Posted Wednesday, September 12, 2012 1:17 AM
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Brilliant - that is exactly what I was after.

Thank you for your assistance
Post #1357813
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