Show only Parent and 1st Child

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Show only Parent and 1st Child

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shanmugaraj
Posting Yak Master

219 Posts

Posted - 2014-01-10 : 05:32:23

I have data where i need to Show only Parent and 1st Child
====================
CREATE TABLES
====================
CREATE TABLE [dbo].[Travel_Master](
[Load_Id] [int] NULL,
[Mode_Id] [nchar](2) NULL,
[Mode_Info] [nchar](10) NULL,
[Has_Nodes] [nchar](3) NULL
) ON [PRIMARY]

CREATE TABLE [dbo].[Travel_Quantity](
[Load_Id] [int] NULL,
[Mode_Sno] [int] NULL,
[Mode_Id] [nchar](2) NULL,
[Mode_Parent_Sno] [int] NULL,
[QA] [numeric](18, 0) NULL
) ON [PRIMARY]

====================
INSERT DATA TABLE 1
====================
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'AP' ,'AIR' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'SE' ,'SEA' ,'Yes')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'SP' ,'SHIP' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'BT' ,'BOAT' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'RD' ,'ROAD' ,'Yes')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'BU' ,'BUS' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'CA' ,'CAR' ,'Yes')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'BI' ,'BIKE' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'CY' ,'CYCLE' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'TR' ,'TRAM' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'BM' ,'BMW' ,'Yes')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'AI' ,'AUDI' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'BMC' ,'BMW-C' ,'No')
INSERT INTO [dbo].[Travel_Master] ([Load_Id] ,[Mode_Id] ,[Mode_Info] ,[Has_Nodes]) VALUES ( 1,'BMS' ,'BMW-S' ,'No')

====================
INSERT DATA TABLE 2
====================

INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'1' ,'AP' ,'-1','4' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'2' ,'SE' ,'-1','2' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'3' ,'SP' ,'2','3' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'4' ,'BT' ,'2','4' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'5' ,'RD' ,'-1','2' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'6' ,'BU' ,'5','7' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'7' ,'CA' ,'5','3' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'8' ,'BI' ,'5','15' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'9' ,'CY' ,'5','2' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'10' ,'TR' ,'5','5' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'11' ,'BM' ,'7','6' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'12' ,'AI' ,'7','14' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'13' ,'BM' ,'11','6' )
INSERT INTO [Travel_Quantity]([Load_Id],[Mode_Sno],[Mode_Id],[Mode_Parent_Sno],[QA]) VALUES ( 1,'14' ,'AI' ,'12','14' )

====================
EXPECTED RESULT
====================

Mode_Info |Mode_Detail |QA
Air | |4
Sea | |2
SEA |SHIP |3
SEA |BOAT |4
ROAD| | 2
ROAD |BUS |7
ROAD |CAR |3
ROAD |BIKE |15
ROAD |CYCLE |2
ROAD |TRAM |5

THANKS
SHANMUGARAJ
nshanmugaraj@gmail.com

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2014-01-10 : 06:35:35

[code]

SELECT COALESCE(m1.Mode_Info,m.Mode_Info) ,CASE WHEN m1.Mode_Info IS NULL THEN '' ELSE m.Mode_Info END AS ModeDetails,
q.QA
FROM [Travel_Master] m
INNER JOIN [Travel_Quantity] q
ON q.Load_Id = m.Load_Id
AND q.Mode_Id = m.Mode_Id
LEFT JOIN [Travel_Quantity] q1
ON q1.Mode_Sno = q.Mode_Parent_Sno
LEFT JOIN [Travel_Master] m1
ON q1.Load_Id = m1.Load_Id
AND q1.Mode_Id = m1.Mode_Id
[/code]

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/
https://www.facebook.com/VmBlogs

shanmugaraj
Posting Yak Master

219 Posts

Posted - 2014-01-10 : 06:56:10

quote:
Originally posted by visakh16

SELECT COALESCE(m1.Mode_Info,m.Mode_Info) ,CASE WHEN m1.Mode_Info IS NULL THEN '' ELSE m.Mode_Info END AS ModeDetails,
q.QA
FROM [Travel_Master] m
INNER JOIN [Travel_Quantity] q
ON q.Load_Id = m.Load_Id
AND q.Mode_Id = m.Mode_Id
LEFT JOIN [Travel_Quantity] q1
ON q1.Mode_Sno = q.Mode_Parent_Sno
LEFT JOIN [Travel_Master] m1
ON q1.Load_Id = m1.Load_Id
AND q1.Mode_Id = m1.Mode_Id

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/
https://www.facebook.com/VmBlogs

Hivisakhm,
I am still getting the childrens.
Data displayed is 14 rows.
Expected 10 Rows.

THANKS
SHANMUGARAJ
nshanmugaraj@gmail.com

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2014-01-10 : 07:09:37

quote:
Originally posted by shanmugaraj

quote:
Originally posted by visakh16

SELECT COALESCE(m1.Mode_Info,m.Mode_Info) ,CASE WHEN m1.Mode_Info IS NULL THEN '' ELSE m.Mode_Info END AS ModeDetails,
q.QA
FROM [Travel_Master] m
INNER JOIN [Travel_Quantity] q
ON q.Load_Id = m.Load_Id
AND q.Mode_Id = m.Mode_Id
LEFT JOIN [Travel_Quantity] q1
ON q1.Mode_Sno = q.Mode_Parent_Sno
LEFT JOIN [Travel_Master] m1
ON q1.Load_Id = m1.Load_Id
AND q1.Mode_Id = m1.Mode_Id

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/
https://www.facebook.com/VmBlogs

Hivisakhm,
I am still getting the childrens.
Data displayed is 14 rows.
Expected 10 Rows.

THANKS
SHANMUGARAJ
nshanmugaraj@gmail.com

ok..so want to ignore child ones without parent
then here you go


SELECT ModeInfo,ModeDetails,QA
FROM
(
SELECT COALESCE(m1.Mode_Info,m.Mode_Info) AS ModeInfo,CASE WHEN m1.Mode_Info IS NULL THEN '' ELSE m.Mode_Info END AS ModeDetails,
q.QA,SUM(CASE WHEN m1.Mode_Info IS NULL THEN 1 ELSE 0 END) OVER (PARTITION BY COALESCE(m1.Mode_Info,m.Mode_Info)) AS Cnt
FROM [#Travel_Master] m
INNER JOIN [#Travel_Quantity] q
ON q.Load_Id = m.Load_Id
AND q.Mode_Id = m.Mode_Id
LEFT JOIN [#Travel_Quantity] q1
ON q1.Mode_Sno = q.Mode_Parent_Sno
LEFT JOIN [#Travel_Master] m1
ON q1.Load_Id = m1.Load_Id
AND q1.Mode_Id = m1.Mode_Id
)t
WHERE Cnt > 0

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/
https://www.facebook.com/VmBlogs

shanmugaraj
Posting Yak Master

219 Posts

Posted - 2014-01-10 : 07:34:45

Hi visakhm
Thanks. It works

THANKS
SHANMUGARAJ
nshanmugaraj@gmail.com

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2014-01-10 : 07:42:16

welcome

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/
https://www.facebook.com/VmBlogs

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