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How to populate an array and compare the data

Posted on 2008-10-09
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Last Modified: 2012-05-05
Hi all,

Im wondering how/where (withing the custom code?) im able to fill an array with data.  What im doing is retrieving postal codes from clients and stripping the first 3 characters and trying to put those values into an array.  With this array i will then compare each value against a string value (will be a list of all Alberta's postal codes) and keep a count so i can then display the number of clients from that certain area of Alberta.

eg.  The array will contain thousands of postal codes (T2W, T0E, T0L, etc...) and then compare it to a string (such as T2W) and i would like it to return the total number within the array that are T2W.

Im just trying to figure out how im able to create the array within SSRS and populate it, then pass the array to another method or procedure that does the string comparison and returns a count value.

This may not be explained very well but any help is greatly appreciated.

Thanks!
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Question by:agilebiz
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Expert Comment

by:timberbt
Comment Utility
If you're really just looking to get a list or a count, why not do it all in SQL?   Could you provide a sample table structure that you're pulling from?   Should be a pretty trivial query after that if I understand correctly.
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Expert Comment

by:timberbt
Comment Utility
Something like this maybe....
DECLARE @SearchString VARCHAR(3)

SELECT @SearchString='T2W'
 

DECLARE @PostalCodes TABLE

(

	Code VARCHAR(6)

	)

	

INSERT @PostalCodes VALUES ('T0E123')

INSERT @PostalCodes VALUES ('T0E124')

INSERT @PostalCodes VALUES ('T2W123')

INSERT @PostalCodes VALUES ('T0L123')

INSERT @PostalCodes VALUES ('T0E125')

INSERT @PostalCodes VALUES ('T2Wzzz')

INSERT @PostalCodes VALUES ('T0L456')
 

--List matching codes

SELECT * FROM @PostalCodes

WHERE

	LEFT(Code,3) = @SearchString
 

--Get a count of matching codes

SELECT COUNT(1) AS [MatchingCount] FROM @PostalCodes

WHERE

	LEFT(Code,3) = @SearchString

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Author Comment

by:agilebiz
Comment Utility
My search string will be every postal code in alberta.  Basically the company wants to see how many clients came from each area of Alberta.  There are 150 differnt postal codes in Alberta so ill need to iterate through each and spit out the number of clients per area in alberta.  Attached is my select statement.  

Basically what they got me doing is retreiving the number of clients who contacted this company via certain referral methods (ie. Yellow pages, Friend, etc)  In my report i have it displaying the different types of referral sources as well as the different postal codes of the clients who contacted them (with out duplicates).  Where im having troubles is displaying the total number of referrals per postal location.

What im looking for:

Referral Source         Location              Total Referrals
Yellow Pages               T2W                           5
                                      L0E                            2
etc..
Friends                        T7E                              1
etc..
etc..
SELECT     dbo.tlkpReferralSource.refPK, dbo.tlkpReferralSource.refDescription, dbo.tblBankruptsAddress.addPostalCode, dbo.tblBankrupts.banBankruptPK

FROM         dbo.tblBankrupts INNER JOIN

                      dbo.tlkpReferralSource ON dbo.tblBankrupts.banReferralSource = dbo.tlkpReferralSource.refDescription INNER JOIN

                      dbo.tblBankruptsDates ON dbo.tblBankrupts.banBankruptPK = dbo.tblBankruptsDates.datBankruptPK INNER JOIN

                      dbo.tblBankruptsAddress ON dbo.tblBankrupts.banBankruptPK = dbo.tblBankruptsAddress.addBankruptPK

WHERE     (dbo.tblBankruptsDates.datInsolvency >= @startDate) AND (dbo.tblBankruptsDates.datInsolvency <= @endDate)

GROUP BY dbo.tlkpReferralSource.refPK, dbo.tlkpReferralSource.refDescription, dbo.tblBankruptsAddress.addPostalCode, 

                      dbo.tblBankrupts.banBankruptPK

ORDER BY dbo.tlkpReferralSource.refPK

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Author Comment

by:agilebiz
Comment Utility
Excuse my inability to really explain what im asking for, i have very limited knowledge in SSRS.
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Accepted Solution

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timberbt earned 500 total points
Comment Utility
Okay so you hae multiples... this is showing just locations, but I still say SQL is the right place to handle this...

Something with output more like this...
DECLARE @SearchString VARCHAR(3)

SELECT  @SearchString = 'T2W'

 

DECLARE @PostalCodes TABLE ( Code VARCHAR(6) )

        

INSERT  @PostalCodes

VALUES  ( 'T0E123' )

INSERT  @PostalCodes

VALUES  ( 'T0E124' )

INSERT  @PostalCodes

VALUES  ( 'T2W123' )

INSERT  @PostalCodes

VALUES  ( 'T0L123' )

INSERT  @PostalCodes

VALUES  ( 'T0E125' )

INSERT  @PostalCodes

VALUES  ( 'T2Wzzz' )

INSERT  @PostalCodes

VALUES  ( 'T0L456' )
 

SELECT  b.code,

        COUNT(1) [MatchingCount]

FROM    @PostalCodes a

        JOIN ( SELECT DISTINCT

                        LEFT(Code, 3) AS [Code]

               FROM     @PostalCodes

             ) b ON LEFT(a.Code, 3) = b.Code

GROUP BY b.Code

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Author Comment

by:agilebiz
Comment Utility
I will give this a shot and get back to you. Thanks
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Expert Comment

by:timberbt
Comment Utility
No problem.  It looks like you'll have to work a couple tables into that join, but doing the subselect with the distinct filter on the first 3 character of the postal code sounds like what you need.   Enjoy!

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Expert Comment

by:timberbt
Comment Utility
All done and working?
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Author Comment

by:agilebiz
Comment Utility
Sorry timberbt, we have decided to go with a more graphical representation of the data using mappoint, although this was helpful, Thank you.
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