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Pivot

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Topic

chriztoph
Posting Yak Master

184 Posts

Posted - 2012-12-21 : 03:11:35

Can someone fix this:

SELECT * FROM (SELECT reference, plateno FROM truck_booking_allocation WHERE plateno IS NOT NULL OR plateno <> '') TruckPlates
PIVOT(COUNT(plateno) FOR plateno
IN (STUFF((SELECT '],[' + plateno
FROM truck_booking_allocation
WHERE plateno IS NOT NULL AND LTRIM(plateno) <> ''
GROUP BY plateno
ORDER BY '],[' + CONVERT(VARCHAR(10), COUNT(plateno))
FOR XML PATH(''), 1, 2, '')) + ']')) AS PivotTable

Thanks in advance..

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-12-21 : 03:22:49

need to do it in two steps

see
http://beyondrelational.com/modules/2/blogs/70/posts/10840/dynamic-pivot-in-sql-server-2005.aspx

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

chriztoph
Posting Yak Master

184 Posts

Posted - 2012-12-21 : 03:37:22

DECLARE @columns VARCHAR(MAX)
DECLARE @convert VARCHAR(MAX)
SELECT @columns = STUFF((SELECT '],[' + plateno
FROM truck_booking_allocation
WHERE plateno IS NOT NULL AND LTRIM(plateno) <> ''
GROUP BY plateno
ORDER BY '],[' + CONVERT(VARCHAR(10), COUNT(plateno))
FOR XML PATH('')), 1, 2, '') + ']'

SET @convert = 'SELECT * FROM
(SELECT reference, plateno FROM truck_booking_allocation WHERE plateno IS NOT NULL OR plateno <> '''') TruckPlates
PIVOT(COUNT(plateno) FOR plateno
IN (' + @columns + ')) AS PivotTable'

EXEC (@convert)

I have this one and it works but I want to save it as view. how do I do that?

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-12-21 : 03:44:08

you cant save this as a view. Why not make it as a procedure instead?

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

chriztoph
Posting Yak Master

184 Posts

Posted - 2012-12-21 : 04:05:13

This is just my reference and I need to join it in my main table so that is why I want to make it as view.

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-12-21 : 04:12:16

ok then populate a temporary table with this dynamic query (use insert...exec or sp_executesql). then use that table to join to main table

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

chriztoph
Posting Yak Master

184 Posts

Posted - 2012-12-21 : 04:16:59

I'm sorry but how do i do that? the plateno is dynamic, it can grow.

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-12-21 : 04:22:58

you can create a table on the fly using SELECT...INTO

do something like


IF OBJECT_ID('tempdb..#YourTable') IS NOT NULL
 DROP TABLE #YourTable

DECLARE @columns VARCHAR(MAX)
DECLARE @convert VARCHAR(MAX)
SELECT @columns = STUFF((SELECT '],[' + plateno
FROM truck_booking_allocation
WHERE plateno IS NOT NULL AND LTRIM(plateno) <> ''
GROUP BY plateno
ORDER BY '],[' + CONVERT(VARCHAR(10), COUNT(plateno))
FOR XML PATH('')), 1, 2, '') + ']'

SET @convert = 'SELECT * INTO #YourTable FROM 
(SELECT reference, plateno FROM truck_booking_allocation WHERE plateno IS NOT NULL OR plateno <> '''') TruckPlates
PIVOT(COUNT(plateno) FOR plateno
IN (' + @columns + ')) AS PivotTable'

EXEC (@convert)

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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