Package For Unknown Number Of Sources

Nov 21, 2007



Hi,

I need to write a SSIS package. The source are in a Windows folder where there are a variable number of text files. These text files may vary in number everyday, How can i write a package for variable number of sources.

Please respond.

Thanks,
Swapna

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Sum Up An Unknown Number Of Records

Mar 19, 2007

With this algorithm you can sum up an unkown number of records, so that an aggregation matches a fixed value.
If there is not an exakt match available, the algorithm returns the nearest possible value!-- Initialize the search parameter
DECLARE@WantedValue INT

SET@WantedValue = 349

-- Stage the source data
DECLARE@Data TABLE
(
RecID INT IDENTITY(1, 1) PRIMARY KEY CLUSTERED,
MaxItems INT,
CurrentItems INT DEFAULT 0,
FaceValue INT,
BestUnder INT DEFAULT 0,
BestOver INT DEFAULT 1
)

-- Aggregate the source data
INSERT@Data
(
MaxItems,
FaceValue
)
SELECTCOUNT(*),
Qty
FROM(
SELECT 899 AS Qty UNION ALL
SELECT 100 UNION ALL
SELECT 95 UNION ALL
SELECT 50 UNION ALL
SELECT 55 UNION ALL
SELECT 40 UNION ALL
SELECT 5 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 50 UNION ALL
SELECT 250 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 90 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 50 UNION ALL
SELECT 350 UNION ALL
SELECT 450 UNION ALL
SELECT 450 UNION ALL
SELECT 100 UNION ALL
SELECT 100 UNION ALL
SELECT 50 UNION ALL
SELECT 50 UNION ALL
SELECT 50 UNION ALL
SELECT 1 UNION ALL
SELECT 10 UNION ALL
SELECT 1
) AS d
GROUP BYQty
ORDER BYQty DESC

-- Declare some control variables
DECLARE@CurrentSum INT,
@BestUnder INT,
@BestOver INT,
@RecID INT

-- If productsum is less than or equal to the wanted sum, select all items!
IF (SELECT SUM(MaxItems * FaceValue) FROM @Data) <= @WantedValue
BEGIN
SELECTMaxItems AS Items,
FaceValue
FROM@Data

RETURN
END

-- Delete all unworkable FaceValues
DELETE
FROM@Data
WHEREFaceValue > (SELECT MIN(FaceValue) FROM @Data WHERE FaceValue >= @WantedValue)

-- Update MaxItems to a proper value
UPDATE@Data
SETMaxItems =CASE
WHEN 1 + (@WantedValue - 1) / FaceValue < MaxItems THEN 1 + (@WantedValue - 1) / FaceValue
ELSE MaxItems
END

-- Update BestOver to a proper value
UPDATE@Data
SETBestOver = MaxItems

-- Initialize the control mechanism
SELECT@RecID = MIN(RecID),
@BestUnder = 0,
@BestOver = SUM(BestOver * FaceValue)
FROM@Data

-- Do the loop!
WHILE @RecID IS NOT NULL
BEGIN
-- Reset all "bits" not incremented
UPDATE@Data
SETCurrentItems = 0
WHERERecID < @RecID

-- Increment the current "bit"
UPDATE@Data
SETCurrentItems = CurrentItems + 1
WHERERecID = @RecID

-- Get the current sum
SELECT@CurrentSum = SUM(CurrentItems * FaceValue)
FROM@Data
WHERECurrentItems > 0

-- Stop here if the current sum is equal to the sum we want
IF @CurrentSum = @WantedValue
BREAK
ELSE
-- Update the current BestUnder if previous BestUnder is less
IF @CurrentSum > @BestUnder AND @CurrentSum < @WantedValue
BEGIN
UPDATE@Data
SETBestUnder = CurrentItems

SET@BestUnder = @CurrentSum
END
ELSE
-- Update the current BestOver if previous BestOver is more
IF @CurrentSum > @WantedValue AND @CurrentSum < @BestOver
BEGIN
UPDATE@Data
SETBestOver = CurrentItems

SET@BestOver = @CurrentSum
END

-- Find the next proper "bit" to increment
SELECT@RecID = MIN(RecID)
FROM@Data
WHERECurrentItems < MaxItems
END

-- Now we have to investigate which type of sum to return
IF @RecID IS NULL
IF @WantedValue - @BestUnder < @BestOver - @WantedValue
-- If BestUnder is closer to the sum we want, choose that
SELECTBestUnder AS Items,
FaceValue
FROM@Data
WHEREBestUnder > 0
ELSE
-- If BestOver is closer to the sum we want, choose that
SELECTBestOver AS Items,
FaceValue
FROM@Data
WHEREBestOver > 0
ELSE
-- We have an exact match
SELECTCurrentItems AS Items,
FaceValue
FROM@Data
WHERECurrentItems > 0With references to
http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=73540
http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=73610
http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=78015
http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=79505


Peter Larsson
Helsingborg, Sweden

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Using the following tables and data---

CREATE TABLE tblRiskReviewHistory(RiskReviewID int, RiskReviewHistoryID int, Name nvarchar(20), Description nvarchar(50), Date date)
INSERT tblRiskReviewHistory(RiskReviewID, RiskReviewHistoryID, Name, Description, Date)
VALUES(1,1,'Customer A','Profile Assessment','01/01/2015'),
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[Code] ...

And currently outputs;

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Customer A Profile Assessment 01/01/2015

How complex is the structure?

Customer A
Profile Assessment
01/01/2015
The total value of assets?
Less than GBP 1 million

Customer A
Profile Assessment
01/01/2015
The volume of transactions undertaken?
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[Code] ....

However, I would like it to output;

Name
Description
Date
How complex is the structure?
The total value of assets?
The volume of transactions undertaken?
How was the client introduced?
Where does the Customer reside?

[Code] ....

The number of questions are unknown for each RiskReviewID and they can be added to in the future.

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hi all,



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My Problem:

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It is very important for me to have the original line number from inside the source file for each record. The rowcount transform doesn't fit in for this task, because it accumulates all rows until the end of the dataflow.

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Hi,


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3 mySqlCmd = New SqlCommand(strMySqlCmd, mySqlCon)
4
5 mySqlCon.Open()
6 myDataReader = mySqlCmd.ExecuteReader()
7
8 If myDataReader.Read() = True Then
9
10
11 webPwdMd5 = System.Web.Security.FormsAuthentication. _
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13
14 If webPwdMd5 = myDataReader.Item("password") Then
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protected void Button4_Click(object sender, EventArgs e)
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string selectedItem = DropDownList1.SelectedItem.Text;
if (selectedItem == "zezo")
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/*
(
@parameter1 int = 5,
@parameter2 datatype OUTPUT
)
*/
AS
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************************
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Server Error in '/NTSOLUTIONS' Application.
--------------------------------------------------------------------------------

Must declare the scalar variable "@maxcount".
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Must declare the scalar variable "@maxcount".

Source Error:


*********************************************
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It has nothing to do with security in any way: The package actually succeeds!! (no onErrorEvent is thrown, no Error or whatsoever is logged). The only logging I get is this:

#Fields: event,computer,operator,source,sourceid,executionid,starttime,endtime,datacode,databytes,message
PackageStart,KMAUSQL01SRV,NT AUTHORITYNETWORK SERVICE,Test,{3790FAE9-8300-4374-B2B7-6A630A508ED9},{E15D1815-1123-42D5-9D32-75B0237660A3},23.08.2006 17:18:02,23.08.2006 17:18:02,0,0x,Beginning of package execution.

PackageEnd,KMAUSQL01SRV,NT AUTHORITYNETWORK SERVICE,Test,{3790FAE9-8300-4374-B2B7-6A630A508ED9},{E15D1815-1123-42D5-9D32-75B0237660A3},23.08.2006 17:18:24,23.08.2006 17:18:24,0,0x,End of package execution.





PackageStart -> PackageEnd .... And in Fact the package DOES exactly do what it should! Just that it throws this error anyway!



What can I do to even trace down where the error occurs?? Not to mention fix it?

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I don€™t know if this is the case but I need some help. We have itanium server with Microsoft SQL Server 2005 - 9.00.3054.00 (Intel IA-64) Mar 23 2007 18:42:19 Copyright (c) 1988-2005 Microsoft Corporation Standard Edition (64-bit) on Windows NT 5.2 (Build 3790: Service Pack 2).


We has had lot of problem with that the sqlserver.exe process hangs 100% cpu. It€™s totally non responsive I€™m not even able to contact the server with DAC. The general solution has been just kill the process. Not nice.


https://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=440746&SiteID=17


The log is full of those
Date,Source,Severity,Message
08/16/2007 09:00:38,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/16/2007 08:55:17,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/15/2007 13:06:09,spid4s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/14/2007 10:07:08,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/09/2007 11:07:29,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/06/2007 09:41:13,spid2s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/06/2007 09:14:50,spid2s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/06/2007 08:54:38,spid2s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/06/2007 08:24:59,spid2s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/03/2007 11:09:54,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
08/01/2007 12:30:56,spid2s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/31/2007 10:16:45,spid2s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/30/2007 10:44:22,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/24/2007 01:03:36,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/23/2007 01:02:33,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/16/2007 12:27:52,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/16/2007 12:25:12,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/16/2007 11:54:07,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/16/2007 11:44:16,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/14/2007 01:04:15,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/12/2007 06:18:51,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/12/2007 06:06:49,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/10/2007 13:20:08,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/10/2007 13:10:43,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/09/2007 10:36:27,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/09/2007 10:28:46,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/06/2007 10:12:20,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/06/2007 10:09:39,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/06/2007 10:06:19,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/06/2007 10:01:28,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/06/2007 01:17:08,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/06/2007 01:13:47,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/04/2007 10:41:06,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/03/2007 10:24:24,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
07/03/2007 01:22:44,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.
06/28/2007 01:03:03,spid3s,Unknown,LazyWriter: warning<c/> no free buffers found.


LazyWriter: warning, no free buffers found.



We used to solution to set a fixed as told in the post above and after that the problem went away. At least for the last 4 days.


Is this LazyWriter not fixed in SP2 for itanium or what?

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------------------------------
Microsoft SQL Server 2005 Setup

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Error message: Unknown error 0x80131501
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