Populate Flatfile Source From Variable
May 21, 2007
We are storing incoming flatfiles into a text field in a table and then we are processing this table on a regular basis. What I would like to do is to get this flatfile from the textfield and populate a flatfile source with it, but so far I have only been able to do that with XML files as there are no option for doing that with the flatfile source. Using the disk as a temporary storage for the flatfile is prohibited.
Does anyone have any suggestions on how to solve this?
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May 20, 2008
I am importing a flatfile and cannot seem to deal with an issue that seems quite simple.
The files have a header row with column names and those rows start with '#'
However sometimes this header row will also be present in the middle of the file.
The Source tries to parse this row and fails
Is there any way to tell the flafile source to skip rows that start with a particular character like comment rows?
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Apr 11, 2008
I have CSV file as source for SSIS package every time the filename will be changing like trd_1990M1_1990M12.csv,trd_1991M1_1991M12.csv , trd_1992M1_1992M12.csv etc.,
so it will vary as per user selection . i need to run the same SSIS package to execute the different file name with the same structure.
Please let me know the solution for that how to pass the file name dynamically to SSIS package.
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Sep 10, 2007
Hi i am trying to do a straight forward load from a Flatfile source , i have defined the columns according to the lenghts defined in the Data Dictionary Provided but when i am trying to run the Task i am encounterring this error
The column data for column "Column 20" overflowed the disk I/O buffer.
I tried to add another column 21 at the end and truncate or leave that column unmapped to destination but the same problem occurs for column 21 what should i do to over come this .
In case of Bad Data how to clean up the source.. Please help me with this
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Dec 8, 2006
I'm trying to Move data from a FlatFile Source to an SQL destination
row delimiter {LF}
Column Delimiter is "comma"
Number of columns in each row : say 7
Example Rows
Example 1:
1,1,1,1,1,1,1{LF}2,2,2,2,2,2,2{LF}3,3,3,3,3,3,3{LF}4,4,4,4,4,4,4{LF}
Example 2:
1,1,1,1{LF}2,2,2,2,2,2,2{LF}3,3,3,3{LF}4,4{LF}
There is no problem parsing Example 1:
With Example 2.
The Old DTS used to parse fine..when it encounters a row delimiter it fills the rest of the columns with null...
While the New SSIS flat File source is following column count in each row...and is considering " 1{LF}2" as column item rather than a row delimiter...
Is there any way around it or is it a bug?
Thanks for any help in advance
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Jun 20, 2007
Why does the raw file have an option for a variable path and the flat file destination does not? Not having this feature makes it impossible to work with variable environments. Please add this option to the Flatfile Destination.
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Jan 24, 2007
Hello, I wanted to do the following.
Copy a full directory from source to destination (Done)
then for each file on the destination directory,it must process that file and insert rows on the table.
So I created a foreach loop, and created a varriable aclled CURRENTFILENAME, and assigned it into the foreachloop to index 0.
Inside the foreachloop I created a dataflow task, in the dataflow task I dragged a flat file source and an oledb destination, but I noticed that the flat file source requires flat file manager, and the flat file manager requires a unique FILE NAME. I cant put this c:copia*.txt.
I took a loot at flat file source properties and it has associated the flat file manager, but I can not assign the filename to the variable from the foreach.
Any ideas please
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Dec 7, 2007
Hi,
I am new to SSIS programming and trying to export data from a flatfile source to SQL server destination table dynamically. I need to get the table schema info (column length, data type etc.) from SQL server table and then map the source columns from flatfile to destination table columns.
I am referring to one of the programming samples from Microsoft and another excellent article by Moim Hossain. Can someone help me understand how to map the Source columns to destination table columns depending on table schema? Please help.
Thanks
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Oct 24, 2006
During a dataflow - I like to populate a variable with True or False based on a value in one of the data records.
How do I do this excercise ?
if I use a script - can someone provide me with simple script on how to populate one variable ?
Thanks heaps
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Aug 10, 2007
Here's the WRONG way to do what I want. I need a way to populate a variable from the output of a dynamic query.
declare @TableName sysname
set @TableName = 'Customers'
delcare @Output bigint
declare @SQL varchar(max)
set @SQL = 'select top 1 RowID from ' + @TableName
select @Output =
EXEC (@SQL)
create function udf_GetDatabaseFingerPrint(
@DBID bigint
)
begin
returns bigint
as
declare @dbname sysname
, @iBig bigint
, @tSQL varchar(2000)
select @dbName = Name from Master.Dbo.Sysdatabases where DBID = @DBID
set @tSQL = 'select sum(Rows) from ' + @dbName + '.dbo.sysindexes'
set @iBig = exec(@tSQL)
return @iBig
end
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Nov 16, 2006
Hi
How can I populate values for package variables inside a data flow task? I could do this inside a script task in control tab, but how inside a data flow task?
Thanks
Ramani
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Apr 8, 2008
I am trying to populate a dropdownlist from a sql data source in my codebehind using c#. I thought I had the code correct but I keep getting the following error and I am stuck: "Only assignment, call, increment, decrement, and new object expressions can be used as a statement"
Here is the code:protected void populateOppNameList(){
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);SqlCommand cmd = new SqlCommand("SELECT empname FROM opportunity WHERE (username = " + userName + ")", conn);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
try
{
conn.Open();DataSet ds = new DataSet();DropDownList ddl_OppNames = (DropDownList)FormView1.FindControl("dropdownlist1");
ddl_OppNames.DataSource = ds;
ddl_OppNames.DataBind;}catch (Exception e)
{
}
finally
{if (conn != null) { conn.Close(); }
}
}
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Sep 10, 2007
Hi i am trying to do a straight forward load from a Flatfile source , i have defined the columns according to the lenghts defined in the Data Dictionary Provided but when i am trying to run the Task i am encounterring this error
The column data for column "Column 20" overflowed the disk I/O buffer.
I tried to add another column 21 at the end and truncate or leave that column unmapped to destination but the same problem occurs for column 21 what should i do to over come this .
In case of Bad Data how to clean up the source.. Please help me with this
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Nov 19, 2007
I am using a SqlDataSource in my form page to query the DB and populate a GridView. If for example the value of Cell (3) is "1" I want to display the values of two other fields, Cells (6) & (7) in two ASP BoundFields 4 and 5.
Then, When Cell(3) = "2" I want to compare two Cells (8) & (9) procede as above, placing those values in ASP BoundFields 4 and 5.
Ive tried using the code below to do the comparisons of all the fields that I am using and then not displaying them with "Visible=False" as I dont want all the fields to be visible... But this method has become quite cumbersome to manage.
Is there a better way to do this??
Thanks!
Protected Sub TestStatus_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.DataRow Then If e.Row.Cells(3).Text = 1 Then
e.Row.Cells(4).Text = "<font color=Green><b>" & e.Row.Cells(6).Text & "</b></font>" e.Row.Cells(5).Text = "<font color=Red><b>" & e.Row.Cells(7).Text & "</b></font>"
e.Row.Cells(6).Visible = False e.Row.Cells(7).Visible = False e.Row.Cells(8).Visible = False e.Row.Cells(9).Visible = False
End If
If e.Row.Cells(3).Text = 2 Then
e.Row.Cells(4).Text = "<font color=Orange><b>" & e.Row.Cells(8).Text & "</b></font>" e.Row.Cells(5).Text = "<font color=Blue><b>" & e.Row.Cells(9).Text & "</b></font>"
e.Row.Cells(6).Visible = False e.Row.Cells(7).Visible = False e.Row.Cells(8).Visible = False e.Row.Cells(9).Visible = False
End If End If End Sub
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Dec 20, 2005
Hi,
I want to transform an xml flow to an html flow. For this, I create an XmlDataDocument, I add on it, all that I want, and I store it in a file (in a dataflow task).
After that, in an xml task, I set the input properties like that:
Operation type: xslt
SourceType: File connection
Source: ras.xml
All works fine. But now, I want to use a variable to store my xml data. So, instead of storing my data in ras.xml, I store it in a variable like that:
Dim v As Microsoft.SqlServer.Dts.Runtime.Wrapper.IDTSVariables90
Me.VariableDispenser.LockOneForWrite("RAS", v)
v("RAS").Value = doc.OuterXml
v.Unlock()
and in the xml task, I set configuration like that:
Operation type: xslt
SourceType: Variable
Source: user::RAS
But when I execute, I got this following exception:
Error: 0xC002F304 at Format HTML Mail, XML Task: An error occurred with the following error message: "Root element is missing.".
Error: 0xC002928F at Format HTML Mail, XML Task: Property "New Source" has no source Xml text; Xml Text is either invalid, null or empty string.
Furthermore, when I want to debug it, in replacing the xml task, by a script task, I can see that in my RAS variable, I get the xml data which is well formed.
<?xml version="1.0" encoding="UTF-8"?>
<root> €¦
</root>
(When I store it in a file, I can see it in IE)
Have you got an idea ?
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Sep 29, 2006
Hi !
I have one Excel source with ... say 2 columns, I have an SQL Server destination with 3 columns.
I want the third column to be populated with a single value stored in a User::Variable.
Can someone help !
Jacques...
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May 11, 2012
So I have a Web Service that works just fine when I enter the parameter values myself. I get results and can parse it out, storing the results into a table. I even have it working in a "For Each Loop" for one of my variables.  The issue I have is that the Web Service accepts 3 variables, the first being an Array.  How can I populate the array variable for web service?
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Jan 22, 2008
Hello,
I am having a hard time setting the executable path for an Execute Process Task in SSIS. I have a variable that is initialized at package statup which holds the path to an executable in Windows. When I set the property "Executable" Path in an expression, I get a warning that the path for the executable is not set. One workaround was to try and initialize the variable with a bogus path with the hopes that the "correct" value will be written on run-time. NO LUCK. I still get the error and I cannot run the package until I put a static path.
Does anyone have a clue as to what is going on??
Mike
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Mar 17, 2007
There are 3 views in VS IDE, Designer, Code and Source. In source view, there are html codes, how do I add a variable into it ? For example: <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:JJConnectionString %>" SelectCommand="SELECT * FROM [Tbl]" ... How to change the SelectCommand to like:SelectCommand="SELECT * FROM [Tbl] WHERE [CREATEDBY] = '" & User.Identity.Name & "'" The User.Identity.Name is not valid in source view, but i need it to work, are there any way ?
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Jun 14, 2006
I have a SP that outputs a valid XML record set. Using a Execute SQL
Task, I can put the XML results into a string variable. When I try to
use the variable in an XML Source nothing happens and I get no error..
If I access the same XML from a file, I get the desired results.
Any ideas why?
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Apr 7, 2006
Hi all,
I am trying to have a DataReader Source that can run
a variable which I used to store the SQL statement. For example, I have:
Variable #1
Variable name: tablename
Data Type: string
Value: "name_of_table"
Variable #2
Variable name: sql_stmt
Data Type: string
Value: "SELECT * FROM " + @tablename
I want to use DataReader Source to run Variable #2 in the SqlCommand
that connects to an ODBC connection. If it is possible by any way,
please let me know. Thanks in advance.
Daren
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Sep 26, 2007
Hi,
I am using a table variable as a source in my OLE DB Source task ( I declare and populate this table variable from TSQL script) to load data in my destination table however the data gets lost after the task, ie I can preview the data from the OLEDB Source task but when I go to the next task which is multicast tranformation the data is lost, I have used data viewers to see the data but they dont have any rows, any help is appreciated.
Thanks
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Apr 15, 2008
I read several posts on this topic and I would like to confirm my understanding.
This question has to do with parameterizing the select statement in the OLE DB Source editor. Initially, I thought I could use Data access mode: SQL command, and somehow use a user variable in there to build my Select statement.
But in researching further, it looks like I need to store the entire SQL command in a one long string variable (let's call it A), where A is built off of another variable that has my parameter. I then use A in Data access mode: SQL command from variable.
Am I correct? And is there not a way to accomplish the samething with only one variable that is your parameter value?
It seems a bit clumsy to store the entire SQL expression in a string variable.
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Jan 22, 2007
I have a package-level variable [User::viewName], type = string, containing a view name. I want to setup an OLE DB source to use this variable value as the source, so Data access mode = "Table name or view name variable". The Variable name dropdown contains [User:viewName], so I select it. When I click OK to leave the edit dialog I get the error:
The variable User::viewName is required to be of type "VT_BSTR".
Only variables of type String occur in the Variable name dropdown; if I try changing it to a type other than string it doesn't occur in the dropdown. What is VT_BSTR and how can I change the variable type to it?
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Apr 10, 2008
Using Jamie's, John's and Rafae post i have got this far.
My scenario demands me to do an incremental load. So i have followed your article and have created a one variable 'vDate' (Dataflow Task, Datetime, 3/3/2008) and another variable SourceSQL (Dataflow Task, String). I have set this SourceSQL evaluation to True and have added this;
"select * from stagingperfdata where startdatetime = "+ (DT_WSTR,10) @[vDate].
I want to call this within a OLE DB source, so i select the data access method to SQL command from variable. My variable name is visible and i am able to select it and then save and debug. I also have a derived column transformation to increment the variable vDate by one day.
The flow is successful but there is no records written to the target.
I tried the same query (available in the variable's value column) in SSMS and it is retrieving 12 records.
I went back to the Ole Db source and wanted to preview the data, but i get "Query timeout expired (Microsoft SQL Native Client)" error.
Am i missing something fundamental?
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Aug 16, 2007
We can pass XML to the XML Source in a variable, but I haven't seen anywhere how much data can be passed this way? Is there a limit beyond the limits of system memory?
Also, what data types are valid for the variable? Just String?
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Apr 16, 2007
Hello. I€™m new to SSIS. This forum and Kirk Haselden€™s book are my teachers. I€™m having a hard time grasping something basic to get started defining a set of packages to automate the ETL process, however, and perhaps I€™m simply misunderstanding the best practices of SSIS.
I have source data in two different transactional databases, and use OleDb connection managers (and OleDb Source components in the Data Flow) to extract the data. I use a Script Task and several Lookup widgets in the Data Flow to transform the data, and output each to two different package-scope DataSet variables.
How do I join these two datasets in a third Data Flow task for loading into my data warehouse? It seems I can iterate through them in the Control Flow, but I can€™t write a query against them in the Data Flow, since there is no connection manager that allows me to €œconnect€? to a package-level variable. Should I instead be storing my extracted, transformed data in temporary database tables, and then joining these to do the final load?
Any advice greatly appreciated. Thanks in advance.
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Aug 17, 2007
Dear All,
I have created a DTS Package in Integration Services 2005.
Within the DTS Package declared a variable named xxx and passed a value 1234.
In the control flow i dropped a Data flow task and in the Property Expression Editor of DataFlow Task i defined
Property = [DataReader Source].[sqlCommand]
Expression = Variable name.
Now in the DataFlow Task Canvas dropped DataReaderSource.
How can i pass variable value to the SQLCommand ="Select * from table where name = Variable value.
regards
Sufian
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Aug 13, 2007
Is there a way to configure the XML source component to use a schema file whose filename is in a variable? Now I know it doesn't make any sense to have an XML source whose schema can vary, however, I have a parent package with a ton of child packages, all of which process the same XML input using the same schema. What I would like to do is for the parent to load the filename of the XML input file into a variable, and the filename of the XML schema file into another. Each child would have its XML source configured to pickup these variables from the parent, so that if the location or name of the schema changes, I don't have to edit each package one-by-one. However, it doesn't seem possible to specify anything but a filename for the schema. Any suggestions?
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Nov 17, 2006
Hi!
These problem does't look like a problem, but i am not able to solve it...
I have a stored procedure (in an Execute SQL-Task) what returns a few rows. These rows a written in an object variable. No problem.
Now i want to use these result set in a dataflow as source. How can i manage these?
1. Use a script task what returns the whole result set from the object variable? How?
2. Is there any other possibility to use the results of a stored procedure in the data flow?
All ideas are urgently welcome...
Torsten
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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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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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Nov 12, 2014
We have a job running the SSIS Package. I am working with that SSIS Package. The SSIS package has a script task. In the script task they used the variable of source path. I want to change the value of that variable (Need to modify the source path).
I modified the variable value in that package and in the config file but getting error message
Exception has been thrown by the target of an invocation.
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