Variable Value: How Do I Set It From Value In Flat File At Runtime
Jan 10, 2007
I have a number of DTS packages I am trying to convert and am totally new to Integration Services.
I have a flat file that I reference to get a date that I use in some SQL statements in the package. It seems like the best way to do this would be to create a variable to hold the date and set it at run time from the flat file. I've been searching the documentation and the forum and can't figure out how to do this. This is so basic that I feel like an idiot putting it on the forum but I need some help. This whole Integration Services thing is a big shift from DTS (which I eventually became pretty good at) Now I'm back to ground zero.
Any help would be appreciated. If you can direct me to any basic training resources that would be cool too.
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Jun 29, 2006
I need to add the current date to the end of the filename of a flat file at runtime.
This was previously done with ActiveX script in SQL Server 2000.
oConn = DTSGlobalVariables.Parent.Connections("FlatFileConnectionManagerName")
oConn.DataSource = sNewFileName
oConn = Nothing
I would really appreciate if someone could give me some information on how to achieve this in SQL Server 2005.
Thanks in advance!
Regards,
Sara
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Jul 19, 2006
I have been working with flat file connection managers for a while now, and I have found it very useful to set properties on all types of SSIS objects using expressions that are set to SSIS package variables.
We have recently moved towards using a centralized application configuration infrastructure, so we are now loading up all application configuration information from our own system -- it's actually based off of the 2.0 ConfigurationManager.
I have developed a custom control flow task that will retrieve all of the SSIS variable information from our own application configuration system and set all of the SSIS variables as the first step in a package.
When I have been using this to set the SSIS Variables which are used in expressions for the HeaderRowsToSkip and DataRowsToSkip (there may be others, but I have not tested them yet) properties of flat file connection managers, these values are not being used -- instead it is using the values for the variables that are defined in the package itself (i.e. the default values that I set up in BIDS when developing the package). The ConnectionString property on the flat file connection manager does not exhibit this behavior.
Can anyone provide any insight on this? Is this a bug in SSIS, or is there something that I am missing here?
Thanks in advance.
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Dec 21, 2006
Hi all
I have a flat file.I am trying to set the value for the property "HeaderRowsToSkip" during runtime.I have set an expression for this in my "flat file connection manager". But this is not working.The connection manager is not able to take the value during runtime.
My expression is as follows:
DataRowsToSkip : @[user:: Var]
where "Var" is my variable which gets the value from the rowcount component and trying to set it back to the "HeaderRowsToskip" property.
I ve even tried setting the value to the "HeaderRowsToSkip" property in the expression builder.
Its not working....
Can anyone help me out in solving this????
Thanks in advance
Regards
Suganya
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May 29, 2008
Hi,
I'm attempting to use a variable to define the file name in my flat file connection (for error files in my SSIS package).
I have it defined as follows:
@[User::ValidRootFolder]ConditionConditionSourceError.csv
However it throws an error 'the filename, directory name, or volume label syntax is incorrect'.
If I put the value of the variable in explicitly it works, so I know my variable name is correct - am I just not calling the variable properly?
Thanks
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Nov 26, 2007
I have a simple CSV/XLS dump that i need to put up on the server. I would need to create a file output daily and need a variable name to identify them easily.
I have the problem of naming it in the "connection string" easily and i have tried variables and expressions too.
I am new to this so please need help.
Thanks
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May 8, 2008
Hi,
How can I write the value of a variable to a flat file in SSIS?
In particular, I'm creating a flat file I'm storing the data of a table. I'd like to add a header that displays the value of a variable that contains the record count. How can I do that?
Thanks in advance,
Che
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Mar 7, 2007
I am trying to make a SSIS package that will loop trough all files in a directory and load information from them.
I can do this with Raw File Sources since they allow me to use a variable name as the file path, but I cant seem to do the same with Flat File Sources. Is there a way to change the connection to a Flat File Source on each iteration of a loop? Actually, if this is possible with all types of file sources (like excel files) I would love to know about it too.
I was thinking about renaming the file through a script task but that does not seem like the most elegant solution so decided to see if some one here knows of a more proper way before I go that direction.
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Nov 6, 2006
Hi,
I'm relatively new to SSIS and I've been tinkering with the XML and Flat File sources.
I noticed that in the XML source it is possible to tell SSIS to read the XML data from a variable. I didn't see a similar option for the Flat File source.
Does anyone know if it is possible to read flat file data from a variable when using the Flat File source?
Thanks,
-dhideal
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Oct 3, 2007
Hi,
Here is my problem :
I work on a SSIS package with SQL SERVER 2005
I need to extract data from a table and put these data in csv files
But... the flat files name should be dynamic and assigned by a variable ...
Here's an example of my table :
Column header :
Id, Name, Number
1 TOM 22
2 TOTO 44
3 SAM 44
4 RADIO 55
I expect to have 3 csv files :
USER_22.csv
USER_44.csv
USER_55.csv
for example : USER_44.csv contains :
2;TOTO;44
3;SAM;44
if there's 50 different number, i expect 50 files
can i do that in a dataflow ?
thanks for answering
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Oct 7, 2007
I have a few flat files that will be retrieved from some SFTP server. One of the flat file will act as a terminal file where it will specify the total number of records expected in each other the flat file.
Data in the terminal.txt
FileName TotalRecords
File1 1000
File2 1500
File3 2000
So, before transforming the data from the flat file sources into the target destination, i wish to do a row count checking for each of the flat file source to make sure that the number of records in the flat file source is tally with the number of records specify in the terminal.txt file. I'm able to get the number of records in each of the flat file by using the RowCount component but don't know how to get the data out from the terminal.txt file in order to make a rowcount comparison.
Can any1 help me on this? Or is there any other way we can do to make sure that the flat file source is alright before proceeding with the data transformation task?
Thanks!
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Jun 12, 2007
Hey all!
Okay, can I assign line x of a flat file to a variable, parse that line, do my data transformations, and then move on to line x+1?
Any thoughts?
In other words, I'm looking at using a for loop to cycle through a flat file. I have the for loop set up, and the counter's iterating correctly. How do I point at a particular line in a flat file?
Thanks for any suggestions!
Jim Work
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Jun 13, 2007
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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Apr 11, 2008
I'm doing a simple ETL that reads a database table and dumps the content to a text file. The text file will be named Employee.txt. This file name will remain the same across my environments, but I may want to vary the directory location to where I want this file dumped.
So, I defined an environment variable called "DataTargetDir" in all my environments. Now, I want to utilize this variable in the "File name:" box within the Flat File Connection Manager Editor. How do I do this? I'm thinking I can write something like "%DataTargetDir%Employee.txt" in the "File name:" box, but it's not working.
Am I approaching this the right way?
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May 28, 2009
I have a requirement wherein I have to setup the flat file connection manager to accept columns on fly. Meaning I want to retrieve list of columns/column count from the database when the package is run and set the connection manager with those many columns.
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Sep 3, 2007
Hi,
I am migrating one of my DTS package to SSIS.
My task is to read the filename from a database table and transfer the flat file data in to a table.
In SSIS,I am able to fetch the file name using a Data Reader Source; but how to pass this fileName parameter to Flat File Source ?
In DTS I have used ActiveX script to pass filename variable as flatfilecon.Source.
Any help ?
Thanks,
Ravi
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Jul 16, 2015
Public Class ScriptMain
Inherits UserComponent
Dim smpid As String
Dim Prdt As String
Dim rcnt As Int64
[code]...
Using the Vb script above I am expecting to read the first row from a flat file source and transferring the data into two variable using script component.
SQL server 2008.
Script task Custom Properties:
Script Task Input Columns:
I get the following errors one after the other:"The collection of variables locked for read and write access is not available outside of PostExecute." "Object reference not set to an instance of an object."
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Feb 26, 2007
I am writing a package that will process delimited flat files that will come in one of a few different versions. Within each flat file, the number of delimited columns will be the same, but each version of the file has a different number of columns. I have tried configuring the flat file data source to expect the version with the largest number of columns, but it will then throw away rows that have less than this number of columns (warning: There is a partial row at the end of the file).
Is it possible to use a single flat file data source that will work with all of the different width files?
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Aug 4, 2015
I am creating one SSIS package where my source is oracle. I have transferred the data from Oracle to flat file as per client requirement.I have to create single package for 2 country 1 is US and another is CANADA Columns are below
ZONE_ID,
ZONE_NAME
Zone Id having data like 10001,10002,10003,20001,2002,2003
Where zone_id start with 1000 is US Zone and Zone_Id start with 2000 is Canada Zone.
For US:
1. Load geography data from DB tables into flat files
2. Load geography data from flat files to Spectrum DB tables
For Canada:
1. Load geography data from DB tables into flat files
2. Load geography data from flat files to Spectrum DB tables
Now I want to look from flat file if Zone_id start with 1000 then it must go to US_DFT and if Zone_id start with 2000 then it must go to CANADA_DFT.
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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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Oct 18, 2007
Hello!
I'm using SQL Server 2000.
I have a variable which contains the name of another variable scoped in my stored procedure. I need to get the value of that other variable, namely:
DECLARE @operation VARCHAR(3)
DECLARE @parameterValue VARCHAR(50)
SELECT @operation='DIS'
CREATE table #myTable(value VARCHAR(20))
INSERT into #myTable values('@operation')
SELECT top 1 @parameterValue = value from #myTable
-- Now @parameterValue is assigned the string '@operation'
-- Here I need some way to retrieve the value of the @operation variable I declared before (in fact
-- another process writes into the table I retrieved the value from), in this case 'DIS'
DROP TABLE #myTable
I've tried several ways, but didn't succeed yet!
Please tell me there's a way to solve my problem!!!
Thank you very much in advance!
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Dec 27, 2006
Hi,
I have a situation where a tab limited text file is used to populate a sql server table.
The tab limited text file comes from a third party vendor. There are fixed number of columns we need to export to the sql server table. However the third party may add colums in the text file. Whenenver the text file has an added column (which we dont need to import) the build fails since the flat file connection manager does not create the metadata for it again. The problem goes away where I press the button "Reset Columns" since it builds the metadata then. Since we need to build the tables everyday we cannot automate it using SSIS because the metadata does not change automatically. Is there a way out in SSIS?
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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?
Any inputs will be appreciated.
M.Shah
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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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Feb 11, 2008
First, a couple of important bits of information. Until last week, I had never touched SISS, and therefore, I know very little about it. I just never had the need to use it...until now. I was able to convert my first 3 flat files to SQL2005 tables by right clicking on "SISS Package" and choosing "SISS Import and Export Wizard". That is the extent of my knowledge! So please, please, please be patient with me and be as descriptive as possible.
I thought I could attach some sample files to this post, but it doesn't look like I can. I'll just paste the information below in two separate code boxes. The first code box is the flat file specifications and the second one is a sample single line flat file similar to what I'm dealing with (the real flat file is over 2 gigs).
My questions are below the sample files.
Code Snippet
Record Length 400
Positions Length FieldName
Record Type 01
1,2 L=2 Record Type (Always "01")
3,12 L=10 Site Name
13,19 L=7 Account Number
20,29 L=10 Sub Account
30,35 L=6 Balance
36,37 L=1 Active
37,41 L=5 Filler
Record Type 02
1,2 L=2 Record Type (Always "02")
3,4 L=2 State
5,30 L=26 Address
31,41 L=11 Filler
Record Type 03
1,2 L=2 Record Type (Always "03")
3,6 L=4 Coder
7,20 L=14 Locator ID
21,22 L=2 Age
23,41 L=19 Filler
Record Type 04
1,2 L=2 Record Type (Always "04")
3,9 L=7 Process
10,19 L=10 Client
20,26 L=6 DOB
26,41 L=16 Filler
Record Type 05
1,2 L=2 Record Type (Always "05")
3,16 L=14 Guarantor
17,22 L=6 Guar Account
23,23 L=1 Active Guar
**There can be multiple 05 records, one for each Guarantor on the account**
and the single line flat file...
Code Snippet
01Site1 12345 0000098765 Y 02NY1155 12th Street 03ELL 0522071678 29 04TestingSmith,Paul071678 05Smith, Jane 445978N 05Smith, Julie 445989N 05Smith, Jenny 445915N 01Site2 12346 0000098766 N 02MN615 Woodland Ct 04InfoJones,Chris 012001 01Site3 12347 0000098767 Y 02IN89 Jade Street 03OWB 6429051282 25 04Screen New,Katie 879500
As you can see, each entry could have any number of records and multiples of some of the record types, with one exception, every entry must have a "01" record and can only have one "01" record. Oh, and each record has a length of 400.
I need to get this information into a SQL 2005 database so I can create a front end for accessing the data. Originally, I wanted one line for each account and have null values listed for entries that don't have a specific record. Now that I've looked at the data again, that doesn't look like a good idea. I think a better way to do it would be to create 5 different tables, one for each record type. However, records 2 through 5 don't have anything I can make a primary key. So here are my questions...
Is it possible to make 5 tables from this one file, one table for each of the record types?
If so, can I copy the Account number in record 01, position 13-19 in each of the subsequent record types (that way I could link the tables as needed)?
Can this be done using the SISS Import and Export Wizard to create the package? If not, I'm going to need some very basic step by step instructions on how to create the package.
Is SISS the best way to do this conversion or is there another program that would be better to use?
I know this is a huge question and I appreciate the help of anyone who boldly decides to help me! Thank you in advance and I welcome anyone's suggestions!
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May 20, 2007
I'm trying to create a custom data flow transformation, I need to set the value of a user variable which will be used by a downstream component(for example: a data flow destination) at runtime, is this possible? If possible, in which method should I do that? Thanks.
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Oct 19, 2007
Hi,
I am relatively new to SSIS.
Please advice me on how to change the value of a variable during runtime.
i.e. user should be able to key in the value.
Regards,
Jiju
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Mar 20, 2008
Hi,
1 20031012121212 200 (recordtype, CreationDateTime(YYYYMMDDHHMISS), Rec_Count) -- Header records
2 ABCD, XYZ, 9999, 999999999, 1234 ---- Detailed Record
2 ABCD, XYZ, 9999, 999999999, 1234 ---- Detailed Record
For the above given sample data I am having two outputs at Condition Split (based on the recordtype). I want to store the 1st record datetime value into a variable and then I want to use that variable value into 2nd and 3rd row.
Basically, detailed records would be stored into the database not the header record. Is there any way I can use the variable while doing processing for 2nd and 3rd records.
Please suggest me.
Regards,
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Feb 28, 2007
Greetings all,
Apologies if this question has been asked in the past but how I display the valuw of a variable during runtime?
Thanks for your help in advance.
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Nov 14, 2007
Is there a quick and easy way, other than scripting a MsgBox(), to show the value of a package variable while the package is running?
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Apr 12, 2007
Hiya guys,
The question:
Can I design data flows with an XML Source pointing to file system xml files, and but run them against variables? I can see the properties at design time (Accessmode=0,1,2; XMLDataVar="User::XMLData), but the XMLSource object doesn't appear to have expressions enabled to change this at runtime, nor do these properties seem to be exposed to configurations.
The scenario:
I have a package that reads through (potentially thousands) of XML files, and having identified the embedded message "type", transforms them via XSLT to an easier XML format (XML Datasource can't cope well with multiple namespaces etc). Then send this the new file off to a type specific dataflow task to send contents to database.
For performance (and other) reasons I'd rather XSLT to a single shared variable and use this variable as the XML source in the data flows (Rather than writing out to the filesystem [via xslt] and immediately reading it back in each time [via datasource]).
But designing the data flow task using a variable as xml source is frustrating for a bunch of reasons - not the least being:
(a) The variable needs to be populated with sample xml data at design time. But this could only ever match one dataflow at a time (fine at run time, but painful at designtime - leading to validation errors popping up all around the place.)
Yes I could have a seperate variable for each xmlsource - but that just makes things more complicated up front and also leaves me with 20+ large, type specific, xml variables floating around at runtime of which only one is ever being used per import - which just doesn't feel right to me.
(b) populating the variable with sample xml at design time is painful due to it being a string - and not accepting hard returns etc that are in text files, design time changes etc)
Using a file XML source at design time is infinitely easier, when I get a design time change - I can just amend the XSLT and run the appropriate task to produce a sample XML file to design against.
Any ideas?
Ta.
Gus.
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Feb 15, 2006
All,
I need to pass a variable to get source data from Oracle on OLE DB source. The variable is defined by an Execute SQL task (previous step) on the control flow and it is a package level variable.
In the data flow, OLE DB source using €˜SQL command from variable€™. The variable sql command works when it just: Select *from table
But I need the variable SQL command like this:
Select * from table where last_modified_date > ? - - variable1
the variable1 is defined by anther Execute SQL task at runtime
Can someone give some light on this?
Many thanks
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Mar 13, 2006
How can I take this example Flat file and parse out each section to a new flat file? Each section starts with HD (header row)
http://www.webfound.net/flat_file_example.txt
e.g. an example output file based on above (cutting out the first section) would be:
http://www.webfound.net/flatfile_output.txt
Also, I'll need to grab a certain value in each header row (certain position in the 100 byte header row) to use that as part of the filename that's outputed. I assume it would be better to insert these rows into a temp table then somehow do a search on a specific position in the row...but that's impossible? The other route is to insert each row into a temp table separated out by fields but that is going to be too combursome because we have several formats to determine separation of fields based on the row type so I'd have to create many temp tables and many components in SSIS when all we want to do is again:
1) output each group (broken by each header row) into it's own txt file
2) use a field in the header row as part of the name of the output txt file (e.g. look at the first row, whcih is a header row in flat_file_example. txt. I want to grab the text 'AR10' and use that as part of the filename that I create
Any suggestions on how to approach this whole process in SSIS...the simplest approach that will work ?
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