Writing Byte Stream To Flat File Destination (ebcdic)
Nov 9, 2007
Hello all,
I was trying to run a test to write a ebcdic file out with a comp - 3 number (testing this for other people) and have run into a problem writing the string out to the flat file destination. I have the following script component:
Code Block
' Microsoft SQL Server Integration Services user script component
' This is your new script component in Microsoft Visual Basic .NET
' ScriptMain is the entrypoint class for script components
Imports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
Imports Microsoft.SqlServer.Dts.Runtime.Wrapper
Public Class ScriptMain
Inherits UserComponent
Public Overrides Sub CreateNewOutputRows()
'
' Add rows by calling AddRow method on member variable called "Buffer"
' E.g., MyOutputBuffer.AddRow() if your output was named "My Output"
'
Output0Buffer.AddRow()
Dim myByteArray() As Byte = {&H12, &H34, &H56, &H7F}
Output0Buffer.myByteStream = myByteArray
Output0Buffer.myString = "ABCD"
Output0Buffer.myString2 = "B123"
myByteArray = Nothing
End Sub
End Class
I have added myByteStream as a DT_BYTES length 4, myString as (DT_STR, 4, 37) and myString2 as (DT_STR, 4, 37) to the output 0 buffer.
I then add a flat file destination with code set 37 (ebcdic us / canda) with the corresponding columns using fixed width.
When i place a dataviewer on the line between the two the output looks as I expect ("0x12 0x34 0x56 0x7F", "ABCD", "B123"). However, when it gets to the flat file destination it errors out with the following:
Code Block
[Flat File Destination [54]] Error: Data conversion failed. The data conversion for column "myByteStream" returned status value 4 and status text "Text was truncated or one or more characters had no match in the target code page.".
If i increase the size of the byte stream (say, to 50) the error goes away but I am left with the string "1234567F" instead of the appropriate hex values. Any clues on how to go about this? I obviously don't care if it gets transferred to "readable" text as this is supposed to be a binary stream, thus the no match in target page seems superfulous but is probably what is causing the problems.
NOTE: this is relating to the following thread (http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2300539&SiteID=1) in that I am trying to determine why these people are not seeing the "UseBinaryFormat" when importing an EBCDIC file (i see this fine when i use an ftp'd file, but it auto converts to ascii) with comp-3 values. I also see the "UseBinaryFormat" when I am importing a regular EBCDIC file which I create that has no import errors with zoned decimals.
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Sep 18, 2006
I'm unable to figure out how to write a column header to my flat file destination. My source is a OLE DB SQL query and I need the column names as a header row in my text file destination. This seems easy but the closet I can find is hardcoding the column header row in the header property. Is this the only option?
Thanks
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Aug 24, 2007
Hi,
I am testing SSIS and have created a Flat File Destination. I defined the Flat File Connection as New for the first time and it worked fine. Now, I would like to go back and modify the Flat File Connection in the Flat File Destination Editor, but it allows only to create a New connection rather allowing me to edit the existing one. For testing, I can go back and create a new connection, but if my connection had 50-100 columns then it would be an issue to re-create it from scratch.
Did someone else faced this issue?
Thanks,
AQ
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May 11, 2006
I am transferring data from an OLEDB source to a Flat File Destination and I want the column width for all of the output columns to 30 (max width amongst the columns selected), but that is not refected in the Fixed Width Flat File that got created. The outputcolumnwidth seems to be the same as the inputcolumnwidth. Is there any other setting that I am possibly missing or is this a possible defect?
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Nov 10, 2006
Hi all,
I m using SSIS and i am transfering the data from Flat File Source to the OLE DB destination File. The source file contain some corrupt data which i am transfering to the other Flat file destination file.
Debugging is succesful but i am not getting any error output in the Flat file destination file.
i had done exactly which is written in the msdn tutorial of SSIS.
Plz tell me why i am not getting the error output in the destination flat file?
thanx
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Dec 18, 2007
Hi
I have a data flow task where I have to write to a flat file. It works fine for me. But the thing is next timeI run the package it must write the data in the OLDEB source to a different copy. Usually the data is overwritten or appended to already existing data. What I want is everytime the package is run the data must be written to a different copy.
Thanks
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Jul 11, 2007
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I guess in essence, the question is how do i directly write lines of 'text' (from say a variable) into a flat file.
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Apr 27, 2006
I'm doing a test package which reads a flat file, makes an adjustment using the derived column task and writes to the same flat file. But, the read locks the flat file, so the write can't access it. Any ideas for a resolution?
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Dave
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Dec 19, 2007
Hi,
I am writing to a flat file. When the data is written to a flat file the columns have to be tilde seperated i.e ~.
What I am doing is I am taking a destintaion text file and having all the columns as tild seperated. Is there any way I can
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Lastly I want the columns to have a width that is fixed.
How I can do this.
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Dec 2, 2006
I'm writing to a flat file destination (CSV file) which contains 2 header rows, lets call it Col1 and Col2.
For some reason, the header rows seem to get duplicated in the output - i.e.
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Is there any way to resolve this?
I don't want the file to be overwritten everytime since its used for record-keeping purposes.
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Oct 30, 2006
I am trying to export data from a query in SQL Server 2005 SSIS to a flat file destination. Everything works fine except the rows returned from my query are written to the flat file in one long string (i.e., without line breaks). I have tried appending a new line character to the rows returned from the query but that only throws an error when the package is executed. My rows returned from the query are 133 characters wide (essentially only one column per row) so I have set the properties accordingly for a fixed width file format with 133 character wide rows.
Any suggestions or ideas on how to correct this would be greatly appreciated.
Thank you,
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Jul 24, 2015
Need to know how I can get the dynamic filename created in the FlatFile destination for insert into a package audit table?
Scenario: Have created a package that successfully outputs Dynamiclly named flat files { Format: C:Test’Comms_File_’ + ‘User::FileNumber’+’_’+Date +’.txt’
E.g.: Comms_File_1_20150724.txt, Comms_File_2_20150724.txt etc} using Foreach Loop Container :
* Enumerator Set to: “Foreach ADO Enumerator” with the ADO object source variable selected to identify how many total loop iterations there are i.e. Let’s say 4 thus 4 files to be created
*Variable Mappings : added the User::FileNumber – indicates which file number current loop iteration is i.e. 1,2,3,4
For the DataFlow task have a OLDBSource and a FlatFile Destination where Flat File ConnectionString is set up as:
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All this successfully creates these 4 files:
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Now the QUESTION is how do I get these filenames as I need to insert them into a DB Audittable. The audit table looks like this:
CREATE TABLE dbo.MMMAudit
(
AuditID INT IDENTITY(1, 1) NOT NULL,
PackageName VARCHAR(100) NULL,
FileName VARCHAR(100) NULL,
LoadTime DATETIME NULL,
NumberofRecords INT NULL
)
To save the Filename & how many records in each file in our Audit Table, am using an Execute SQL Task and configuring it as this:
Execute SQL Task
Parameter mapping - Mapped the User Variable (RecordsInserted) and System Variable( PackageName) to Insert statement as shown below
SQLStatement: INSERT INTO [dbo].[MMMAudit] (
PackageName,NumerofRecords,LoadTime)
(?,?.GETDATE)
Again this all works terrific & populates the dbo.MMMAudit table as shown below BUT I also need to insert the respsctive file name – How do I do that?
AuditID PackageName FileName NumberOfRecords
1 MMM NULL 12
2 MMM NULL 23
3 MMM NULL 14
4 MMM NULL 1
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Apr 6, 2015
I am running my package in sql server 2012, in which i am giving network path for flat file destination. And its working fine. But if i give m local path, its giving me error " cannot open data file" ...
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Aug 30, 2007
Flat file is the source for to load the data into a table. I am using "Derived Column Component" for the data validation.
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It works fine except the following the issue.
Issue:
The derived columun value (that cause an error) is not get inserted into the Flat File
Scenario:
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Mar 19, 2007
I have a set of parent/child records that need to be exported to a space delimited Flat File. Each parent record must be followed by 3 child records, each on their own line with different format.
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Sep 21, 2006
Hi Folks,
I would like to write my table to a delimited file but I seem to have no choice but to use comma as the delimiter. Is there any way I can choose the delimiter ?
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Apr 18, 2007
Hi,
I am trying to write to a fixed format flat file using Flat File Destination Data Flow Component. I have all required information gathered from more than one sources. But when I tried to format the columns to a big string that will make up one line in the flat file, I could not figure out how to do that. Couple of issues that I am facing are:
How to padd different columns? For example, One interger column has could be 1 to 10 character long in my case. When I convert to string, dont know how to padd the remaining characters i.e. if the value of integer is '1234', it should be written to file as '1234 ' . Which transformation is best in this case, if available?
How to convert T-SQL datetime to a specific date and time format to write in the flate file? I have to write these date formats depending upon one of the parameters passed.
Also, I dont want to put a delimiter at the end of each column, just the new line characters at the end of each record.
Some of the columns has some unwanted characters (like new line characters) how to find them and remove them from the string.
Can we directly write columns to a specific position in the flat file? e.g. col 1 a position 1 and col2 starts at postion 20 etc.
Your co-operation will be appreciated.
Thanks,
Paraclete
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Jul 5, 2007
Hi,
How can I check if my Flat File Destinatino is empty or not?
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Any ideas?
Thank you.
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Apr 17, 2008
Hello friends,
I have the following (simplified):
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3. Case Good -> Writes to Good Flat File (with timestamp in the title)
4. Case Error -> Writes to Error Flat File (with timestamp in the title)
Most job runs have no errors but the error file is created as a zero byte file anyway. If there are no error records I don't want the error file created. How might I accomplish this?
Thanks
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I have a variable defined as "Country". Based on the value, the header row printed needs to be different.
I've already created a 'HeaderRow' variable that I'm able to set using a script task. But how can you set the Header text value at run time from the variable? There is no expression defined for the Header with the Flat File Destination object, and when I attempt to reference the HeaderRow variable as the Header text, the variable name is printed as the header.
Another approach I tried was to write the Header Row separately through another data flow task, but the issue here is: what is the input source when all you have is a Country variable?
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Jun 29, 2007
Hi,
I have created a package and when i was trying to configure a flat file destination, i am getting the following error:
===================================
The component could not be added to the Data Flow task.
Could not initialize the component. There is a potential problem in the ProvideComponentProperties method. (Microsoft Visual Studio)
===================================
Error at Extract Test Flat File [DTS.Pipeline]: The module containing "component "" (245)" cannot be located, even though it is registered.
===================================
Exception from HRESULT: 0xC0048021 (Microsoft.SqlServer.DTSPipelineWrap)
------------------------------
Program Location:
at Microsoft.SqlServer.Dts.Pipeline.Wrapper.CManagedComponentWrapperClass.ProvideComponentProperties()
at Microsoft.DataTransformationServices.Design.PipelineTaskDesigner.AddNewComponent(String clsid, Boolean throwOnError)
Please advise.
Thanks & Regards,
Deepak
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May 4, 2007
Hi,
I am trying to access from OLE DB source. And based on one of the columns, I need to write the data to a Flat File Destination.
For Example,
CustID, ProductID, Product Name, Product Description
Say I am going to write to a different Flat File for every product. So if there are 10 products in the data. There should be 10 Flat Files. Also the file name should include the Product Name And Product ID.
It is being done in a single Data Flow Task.
Right now the Property Expression for the File Name is which is not working)
Code Snippet@DestFolder + [Data Conversion].ProductID + @TodaysDate + ".txt"
The ProductIDs are in the ascending order. Any help or guidance?
Thanks
-Leo
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Apr 17, 2008
Anyone knows how to give the name of a flat file specifying today's week number??
filename_ww
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Mar 11, 2008
i am trying to load almost 15 csv files to my oledb destination can i use for each container to map the source columns dynamically to destination table during data flow task
FLAT FILE SOURCE ------------------------------------ > OLEDB DESTINATION
1.Product.csv Product Table (Different mappings between columns)
2.Depot.csv
...
....
No.of columns also differ in csv files...
P.S. : Dont ask to me to do individual data flow task for each csv files.
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Jul 10, 2006
I have a database app, and we're implementing various data export features using SSIS.
Basically, it's a couple of straight extracts of various recordsets/views, etc. to CSV (flat files) from our SQL Server 2005 database, so I'm creating an SSIS package for each of these datasets.
So far, so good, but my problem comes here: My requirements call for users to select from a list of available columns the fields that they want to include in their exported file. Then, the package should run, but only output the columns specified by the user.
Does anyone have any idea as to the best way to accomplish this? To recap, at design time, I know which columns the users will have to choose from, but at run time, they will specify the columns to export to the flat file.
Any help or guidance here is greatly appreciated
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Jan 4, 2006
Here's what I want to do -
Dynamically load a flat file from a dynamic source table-
The source table metadata is known via the SYSOBJECTS and SYSCOLUMNS tables- I can pull the column names, type and lengths from these tables based on the table name. (my goal is pretty simple- pull data from a table in our database, and save it down to a flat file)
Would this be enough to dynamically create the destination flat file? If so, how do I do it?
Thanks
-rob
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Oct 16, 2007
Hi,
I have a dataflow task with two components: OLE DB source --> Flat File destination
In the OLE DB source, I am accessing a view, not a table.
However, when I attempt to map the view's input columns to the flat file destination columns, the screen is completely blank. There's none of the usual drop downs that let you select the column name, nor can I drag and drop the input column from the upper pane to the lower pane.
Is there a trick to doing this?
Thanks
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Jun 6, 2007
Attempting to write to a flat file, I get the following Warning then Errors:
~~~~~~~~~~~~~~~~~~
Warning: 0x80070005 at Data Flow Task, Detail to dat File Writer [54]: Access is denied.
Error: 0xC020200E at Data Flow Task, Detail to dat File Writer [54]: Cannot open the datafile "DetailOutWhat_1.dat".
Error: 0xC004701A at Data Flow Task, DTS.Pipeline: component "Detail to dat File Writer" (54) failed the pre-execute phase and returned error code 0xC020200E.
~~~~~~~~~~~~~~~~~~~
There should be no reason that this project can't open DetailOutWhat_1.dat, as it has successfully done it earlier today...
UNRELATED: Is it possible to comment out a transform or destination file while in the Designer View?
Thanks!
Jim Work
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May 29, 2006
Currently we're working on an SSIS package to extract data from a SQL Server database to several fixed width flat files.
Some of the data needs to be formatted/converted in a certain way
DateTimes need to be formatted in ISO8601Booleans need to be 0/1 instead of False/True...Has anybody any idea what the preferred approach (best practice) would be to do these conversions?Convert everything in the select query? What about readability of your query?
Do it somewhere in the package? If so, how?....
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Jul 24, 2006
Hi
I am trying to use a conditional split task so that I can check for specific fields. If the value doesn't exist I am piping the records to a derived field task, where I add an error. I then try to send these records to a flat file destination so that I can keep track of them. However, when I execute the SSIS data flow task I get the following error
[Log Invalid Records [5496]] Warning: The process cannot access the file because it is being used by another process.
This file isn't being used by any other process as far as I can tell, and the only process using it is the SSIS task trying to write to it.
If anyone has any ideas, then I would really really appreciate it
Thanks
Darrell
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