How can I pass a variable to a DataReader in a DataFlow task?
My SqlCommand for the DataReader is:
SELECT CustName, CustCode FROM Customers WHERE CustCode = '?'
The DataFlow task is nested in a ForEach loop. I confirmed that the variable is changing with each loop by using a ScriptTaks and a message box. However, the DataReader SqlCommand does not seem to be updating.
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
Dear Friends,
I have to import dBASE files to SQL Server. For this I have created one ODBC connection manager for those dBASE files. This I have to set for DataReader Source. But I am unable to configure the DataReader Source.
So, Please tell me how to configure DataReader Source for ODBC connection Manager.
Eagerly waiting for your valuable reply............
Santosh
INDIA
I am using a parameterized select query as displayed below to fetch values from source.
SELECT A.Account_GUID,
M.Merchant_GUID,
H.Household_GUID,
B.BankAU_GUID,
SR.SalesRep_GUID,
E.Entitlement_GUID,
I.Income_GUID,
Exp.Expense_GUID,
SP.Sales_Product_GUID,
P.Product_cd,
SUM(S.Sales) AS Monthly_gross_MC_VI_amt,
SUM(S.Sales) - SUM(S.[Returns]) AS Monthly_net_MC_VI_amt,
SUM(S.SaleTxns) AS Monthly_gross_MC_VI_tran_cnt,
SUM(S.SaleTxns) - SUM(S.ReturnTxns) AS Monthly_net_MC_VI_tran_cnt
FROM Account AS A
LEFT OUTER JOIN dbKAIExtract.dbo.tblSales_STG AS S
ON A.Account_No = S.AccountNo
And S.BucketNo = ? And S.ProductCode in ('01','02')
LEFT OUTER JOIN Merchant AS M
ON A.Account_No = M.Account_no
INNER JOIN SalesRep AS SR
ON SR.Rep_SSN = isnull(A.rep_SSN,'000000000')
INNER JOIN Household AS H
ON A.Account_No = H.Account_no
LEFT OUTER JOIN BankAU AS B
ON A.Assigned_AU = B.AU_No
LEFT OUTER JOIN SalesProduct AS SP
ON A.Account_No = SP.Account_no
And SP.Reporting_Interval_Id = ?
LEFT OUTER JOIN Entitlement AS E
ON E.Account_no = A.Account_No
AND SP.Product_Cd = E.Entitlement_Card_Type
LEFT OUTER JOIN Income AS I
ON I.Account_no = A.Account_No
And I.Reporting_Interval_Id = ?
LEFT OUTER JOIN Expense AS Exp
ON Exp.Account_no = A.Account_No
And EXP.Reporting_Interval_Id = ?
LEFT OUTER JOIN Product AS P
ON P.Product_cd = SP.Product_cd
WHERE (A.current_ind = 1)
AND (SR.current_ind = 1)
GROUP BY A.Account_GUID,
M.Merchant_GUID,
H.Household_GUID,
B.BankAU_GUID,
SR.SalesRep_GUID,
E.Entitlement_GUID,
I.Income_GUID,
Exp.Expense_GUID,
SP.Sales_Product_GUID,
P.Product_cd
My problem is, I am not able to assign any variables to parameterized query. Can any body guide how to assign respective variables to the parameterized query. I have the above query as a part of OLE DB Source step within Data flow task.
Thank you
Jatin
1 :Control Flow Excute SQL task: Truncate Table
2: Dataflow Task: Datareader--Script componant--OLE DB Destination (SQL Server 2005--a single table --always around 600,000 rows)
How do I set up a transaction where if there is a failure the Truncate Table command will roll back---and the OLE Destination (A single SQL Server table) will be left the same as before the load started.
Another question with that volume of data --600,000 rows will a truncate table be pratical in a transaction
Any ides welcome
thanks in advance
David
An Execute SQL task takes 1 min to run a statement "insert into Mytable select * from view_using_joins"
Output: 10,225 rows affected.
But a Dataflow task configured to fetch data from the same view_using_joins into MyTable takes hours to do the same.
Could you please explain why is it so ?
Thanks
Subhash Subramanyam
I'm new to SSIS, but have been programming in SQL and ASP.Net for several years. In Visual Studio 2005 Team Edition I've created an SSIS that imports data from a flat file into the database. The original process worked, but did not check the creation date of the import file. I've been asked to add logic that will check that date and verify that it's more recent than a value stored in the database before the import process executes.
Here are the task steps.
[Execute SQL Task] - Run a stored procedure that checks to see if the import is running. If so, stop execution. Otherwise, proceed to the next step.
[Execute SQL Task] - Log an entry to a table indicating that the import has started.
[Script Task] - Get the create date for the current flat file via the reference provided in the file connection manager. Assign that date to a global value (FileCreateDate) and pass it to the next step. This works.
[Execute SQL Task] - Compare this file date with the last file create date in the database. This is where the process breaks. This step depends on 2 variables defined at a global level. The first is FileCreateDate, which gets set in step 3. The second is a global variable named IsNewFile. That variable needs to be set in this step based on what the stored procedure this step calls finds out on the database. Precedence constraints direct behavior to the next proper node according to the TRUE/FALSE setting of IsNewFile.
If IsNewFile is FALSE, direct the process to a step that enters a log entry to a table and conclude execution of the SSIS.
If IsNewFile is TRUE, proceed with the import. There are 5 other subsequent steps that follow this decision, but since those work they are not relevant to this post.
Here is the stored procedure that Step 4 is calling. You can see that I experimented with using and not using the OUTPUT option. I really don't care if it returns the value as an OUTPUT or as a field in a recordset. All I care about is getting that value back from the stored procedure so this node in the decision tree can point the flow in the correct direction.
CREATE PROCEDURE [dbo].[p_CheckImportFileCreateDate]
/*
The SSIS package passes the FileCreateDate parameter to this procedure, which then compares that parameter with the date saved in tbl_ImportFileCreateDate.
If the date is newer (or if there is no date), it updates the field in that table and returns a TRUE IsNewFile bit value in a recordset.
Otherwise it returns a FALSE value in the IsNewFile column.
Example:
exec p_CheckImportFileCreateDate 'GL Account Import', '2/27/2008 9:24 AM', 0
*/
@ProcessName varchar(50)
, @FileCreateDate datetime
, @IsNewFile bit OUTPUT
AS
SET NOCOUNT ON
--DECLARE @IsNewFile bit
DECLARE @CreateDateInTable datetime
SELECT @CreateDateInTable = FileCreateDate FROM tbl_ImportFileCreateDate WHERE ProcessName = @ProcessName
IF EXISTS (SELECT ProcessName FROM tbl_ImportFileCreateDate WHERE ProcessName = @ProcessName)
BEGIN
-- The process exists in tbl_ImportFileCreateDate. Compare the create dates.
IF (@FileCreateDate > @CreateDateInTable)
BEGIN
-- This is a newer file date. Update the table and set @IsNewFile to TRUE.
UPDATE tbl_ImportFileCreateDate
SET FileCreateDate = @FileCreateDate
WHERE ProcessName = @ProcessName
SET @IsNewFile = 1
END
ELSE
BEGIN
-- The file date is the same or older.
SET @IsNewFile = 0
END
END
ELSE
BEGIN
-- This is a new process for tbl_ImportFileCreateDate. Add a record to that table and set @IsNewFile to TRUE.
INSERT INTO tbl_ImportFileCreateDate (ProcessName, FileCreateDate)
VALUES (@ProcessName, @FileCreateDate)
SET @IsNewFile = 1
END
SELECT @IsNewFile
The relevant Global Variables in the package are defined as follows:
Name : Scope : Date Type : Value
FileCreateDate : (Package Name) : DateType : 1/1/2000
IsNewFile : (Package Name) : Boolean : False
Setting the properties in the "Execute SQL Task Editor" has been the difficult part of this. Here are the settings.
General
Name = Compare Last File Create Date
Description = Compares the create date of the current file with a value in tbl_ImportFileCreateDate.
TimeOut = 0
CodePage = 1252
ResultSet = None
ConnectionType = OLE DB
Connection = MyServerDataBase
SQLSourceType = Direct input
IsQueryStoredProcedure = False
BypassPrepare = True
I tried several SQL statements, suspecting it's a syntax issue. All of these failed, but with different error messages. These are the 2 most recent attempts based on posts I was able to locate.
SQLStatement = exec ? = dbo.p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
SQLStatement = exec p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
Parameter Mapping
Variable Name = User::FileCreateDate, Direction = Input, DataType = DATE, Parameter Name = 0, Parameter Size = -1
Variable Name = User::IsNewFile, Direction = Output, DataType = BYTE, Parameter Name = 1, Parameter Size = -1
Result Set is empty.
Expressions is empty.
When I run this in debug mode with this SQL statement ...
exec ? = dbo.p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
... the following error message appears.
SSIS package "MyPackage.dtsx" starting.
Information: 0x4004300A at Import data from flat file to tbl_GLImport, DTS.Pipeline: Validation phase is beginning.
Error: 0xC002F210 at Compare Last File Create Date, Execute SQL Task: Executing the query "exec ? = dbo.p_CheckImportFileCreateDate 'GL Account Import', ?, ? output" failed with the following error: "No value given for one or more required parameters.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
Task failed: Compare Last File Create Date
Warning: 0x80019002 at GLImport: SSIS Warning Code DTS_W_MAXIMUMERRORCOUNTREACHED. The Execution method succeeded, but the number of errors raised (1) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "MyPackage.dtsx" finished: Failure.
When the above is run tbl_ImportFileCreateDate does not get updated, so it's failing at some point when calling the procedure.
When I run this in debug mode with this SQL statement ...
exec p_CheckImportFileCreateDate 'GL Account Import', ?, ? output
... the tbl_ImportFileCreateDate table gets updated. So I know that data piece is working, but then it fails with the following message.
SSIS package "MyPackage.dtsx" starting.
Information: 0x4004300A at Import data from flat file to tbl_GLImport, DTS.Pipeline: Validation phase is beginning.
Error: 0xC001F009 at GLImport: The type of the value being assigned to variable "User::IsNewFile" differs from the current variable type. Variables may not change type during execution. Variable types are strict, except for variables of type Object.
Error: 0xC002F210 at Compare Last File Create Date, Execute SQL Task: Executing the query "exec p_CheckImportFileCreateDate 'GL Account Import', ?, ? output" failed with the following error: "The type of the value being assigned to variable "User::IsNewFile" differs from the current variable type. Variables may not change type during execution. Variable types are strict, except for variables of type Object.
". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
Task failed: Compare Last File Create Date
Warning: 0x80019002 at GLImport: SSIS Warning Code DTS_W_MAXIMUMERRORCOUNTREACHED. The Execution method succeeded, but the number of errors raised (3) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "MyPackage.dtsx" finished: Failure.
The IsNewFile global variable is scoped at the package level and has a Boolean data type, and the Output parameter in the stored procedure is defined as a Bit. So what gives?
The "Possible Failure Reasons" message is so generic that it's been useless to me. And I've been unable to find any examples online that explain how to do what I'm attempting. This would seem to be a very common task. My suspicion is that one or more of the settings in that Execute SQL Task node is bad. Or that there is some cryptic, undocumented reason that this is failing.
Thanks for your help.
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
I'm attempting to configure a DataReader's SqlCommand text to use a package-level variable and I'm having trouble. I've read about using the "sql command from variable" option but although I see that during the configuration of Ole DB source, I don't see the same option for DataReader source. Viewing the properties of the DataReader and selecting the SqlCommand property does have button to configure the value but only displays a string value editor window. (I was hoping for the expression editor.)
The configured connection to the DataReader uses the odbc Data Provider (under .Net providers). I'm connecting to mySql, if that matters.
What I'm looking to do is to use a variable in the where clause of the DataReader's SqlCommand. Any hints how to accomplish this or other ideas would be greatly appreciated.
Thanks
Hello,
I'm trying to set the SQLCommand of a DataReader with a string variable (at the DataFlow Task level), and I'm having some problems. The source is a DB2 table. The destination is an MS Excel file. Here is what I have:
1. A variable named SQLStatementDataFlow of type String. EvaluateAsExpression is set to True, and the SQL statement in the expression evaluates without a problem.
2. In the Expression property of the DataFlow Task, I have the [SqlCommand] property configured with the variable.
First, in the component properties of the DataReader, what kind of SQLCommand do I set up here if the DataFlow SQLCommand is configured to use a variable?
Thank you for your help!
cdun2
Hi Pals,
Here is my scenario in my ETL process, I have one DataFlow task.
Assuming that i have 10 clean records in my source database and i need to load all the 10 recs into my target table.
IS there any means of cross checking the no of rows from source table and number of rows loaded into my target table.
Any suggestions are greatly appreciated.
Thanks & Regards.
Dear friends,
Someone told me that I couldnt update the global variavel inside a dataflow... but i need to have some solution to do that... :-(
I crate my identity column manually based on a global variable... and it works perfect, but in one dataflow I have to insert 2 times in the some table... so... in the second time my identity will be GlobalVariavel + increment of the first time rows inserted...
how can I save this increment in the dataflow? How can I count the rows inserted in the first time do use it in the second time i save Data to the some table??
Thanks
Is it possible to update the value of a user defined variable within the DataFLow in SSIS. I am aware you can update a variable using a script task in the Control Flow, but how about the DataFlow?
Thanks for any help in advance.
Hi:
I am getting the following error when I start debugging my Package, I am not sure what this is related to, but basically, input (datatype is a int, and its mapped to a column which is also int), so I am not sure whats happening here. The input column is actually a derived column, and its set as a 4 byte un-signed int, please advice on where should I start looking to troubleshoot this issue. This loanapplicationid is actually a user variable that is utilized by other tasks in my control flow as well:
Error: 0xC020901C at InsertApplicationCL5, OLE DB Destination [16]: There was an error with input column "LoanApplicationID" (1161) on input "OLE DB Destination Input" (29). The column status returned was: "The value violated the integrity constraints for the column.".
Hello all,
I got a text file with two columns. and I need to generate a integer key automatically with the row number (or any distinct number, I thought row number will be OK). and when I make the data flow task to import this text file into a raw file I need to get the unique rownumber as Id.
How can I make this in the data flow tak??
regards,
I written a SSIS package to import a table from one database to another database. I used dataflow task with oledb source and oledb destination with fastload. For 2 million records its taking 5 min . The same import using DTS I am getting in 2 mins. DTS package is more faster than SSIS package ?. any reasons why SSIS is taking more time?
View 4 Replies View RelatedNeed help regarding ssis dataflow task
I need to create a ssis package. I want to import the data from a flat file to a table.
Lets say, the table has 5 columns -- col1, col2, col3, col4 , col5.(Assume that all columns can be NULLABLE) The datafile contains the data related to only three columns say col1, col2, col3. So when I use dataflow task to import the data from the file to the table, I will only get three columns, col1, col2, col3. Columns col4, col5 will be NULL.
However, I want to populate columns col4, col5 with some values which are stored in the variable.
IS there any way to do this??
Any help would be appreciated.
Thanks
I want to be able to loop through a view and execute a dataflow task for each record. I would like to pass the value of a column to the dataflow task to be used as a parameter in a data reader.
How can I do this?
Hi,
I am getting data from an external source. External data has a column called "Type". I have a variable in my package which contains the list of types as shown below:
Filtered_type_List = 2,4,8,10,11
If this variable(Filtered_type_List) is blank, then I need all the data from the external source and if it is not blank then I only need the records matching to his list. How can I implement this in DataFlow Task?
Thanks
In the control flow I have an "Execute SQL Task" that executes a stored procedure. The stored procedure returns a result set of about 2000 rows of data into a package variable that has been typed as Object to contain the data.
What I have not been able to figure out is how to access the rows of data (in the package variable) from within a data flow task. There does not seem to be a data flow source task to perform that operation.
What am I missing that would make this easy?
...cordell...
Does anyone know how I can use a user variable in a sqlcommand in a Datareader source with an ODBC connection as the source?
I am storing a date value in a user variable(Date) I fill with a SQL Task and then want to use the value in the sqlcommand I use in the Datareader Source. It won't let me use the @variablename in the sql command.
Can anyone help with some advice on how I can make this work?
Appreciate any help I can get.
Thank you
Hello,
Newbee here
64 bit SQL 2005 running on Windows Server 2003 X64
I have an exececute SQL task (in the control flow obviously)
SELECT MAX(last_update) AS OrdersLastUpdateFROM orders
This task executes successfully and I can see that my user variable called "User:tmOrdersLastUpdate" populates correctly in the "variables" pane.. ALL GOOD.
The next step of the Control flow is a dataflow task
Details
DataFlow Source = DataReader Source (MySQL .NET connector)
DataFlow Dest = local SQL Server OLE DB.
In the DataFlow Source the DataReader SQLCommand property is
Select * from orders where last_update >= @User:tmOrdersLastUpdate
I've tried every conceivable permutation and I can't get SSIS to itnerpret the variable as such...it always gets passed to the server as a literal.
How do I pass a user-defined global variable to the WHERE clause in a DataRader object?
Thanks
I have debugged a Control Flow script task and everything went as expected. I put a breakpoint somewhere in my script code, press F5 and execution will break there.
View 15 Replies View RelatedHi All,
I want to show the error message during Data Flow In SSIS, if an error would occur. I am able to redirect the row in file but i want to display the error like "Error : Its Not Set".
Is it possible? if please help me.
Hi,
In terms of data flow tasks, when say we load text files into databases.
Is it possible to have it in a way so that if a certain record (line in the text file) fails to load due to watever reason, it gets written to another table, but the rest of the records still get loaded?
I try to do so and end up with the whole data flow task failing and it stalls at the record that had the error and doesn't seem to continue forward.
I just used the red arrow (on failure) and put that to another SQL destination object. But yeah that didnt work.
If someone has a better way of doing so, would be awesome if you can share that.
Cheers
Hello, to give you a background on where I'm coming from:
I have an SSIS Package with a global String variable that has an sql statement. so it says something like: "Select * from MyTable "
I than have a SQL Script Task where I append a WHERE Statement to my string.
Than in the Dataflow Task when I select the source database, I run command from Variable.
When I run the package I get an error that my string is too long. My string is about 750 characters that I'm trying to pass through.
Is there some limitation to this?
I have ran the raw SQL Command in the SQL manager and it runs fine. I have built a million of these packages, just not one with such a large string.
If it is the case that it is just too long, is there a work around to that?
Thanks,
Rusty.
I have a problem whit loading XML-files into SQL server.
I iterate over the XML-files with the "for each file" component and use the XML source within a Data flow task. This works great until the file count got bigger. After say 1000 files the XML source returns error 0x8007000E. I think this means out of memory. Does anyone have an idea how to solv this. The load must be able to handle up to 5000 files in one batch.
Does anyone know how to create an eventhandler for a dataflow task specific events (OnPipelinePostEndOfRowset, OnPipelineRowsSent, etc.)? These events are available for logging via the standard logging infrastructure, but there seems to no eventhandler for them.
The reason I'm interested is that parsing information logged by these events using builtin log providers is not easy (eg., the number of rows sent gets burried somewhere in the message column (i'm using sql provider). I'd like to capture this information and record it cleanly in a custom ssis metadata database i'm building. Any ideas are welcome. Thanks.
-alex
Maybe I am mistaken ( most likely ). But I am missing a dataflow task, which would do something similar like Throw Execption.
The project I am currently working on needs to validate a lot of different data. And sometimes incorrect data ( corrupted, incomplete or unexepected ) is coming from the source system. In case of this I need to trigger an error and discard the complete row or batch depending on the situation.
For example:
In our source system we have some flag fields. And certain combinations of flags are not logical (business rules) but the system allows data to be inputted in this unlogical ways. And because we are creating the system I am expecting some combinations flags which are allowed but not properly defined in the specification.
So when I use a conditional split, I want the default output to trigger an error instead of an output.
I am trying to use an XML Source on xml data from an XML webservice, I am putting the document into a variable the trying to import the data from there with the XML Source, but I am getting an error telling me that truncation occured
The Error is "[XML Source [1]] Error: The "component "XML Source" (1)" failed because truncation occurred, and the truncation row disposition on "output column "linking" (1579)" specifies failure on truncation. A truncation error occurred on the specified object of the specified component."
The linking column mensioned in the error is sometime quite a long string but there is nowhere in the XML Source editor to change the size.
HELP!
HI, I have to copy tables (approx. 60) content from one database to another using SSIS. I know that I can call an execute SQL task to execute an INSERT INTO <target table> SELECT * FROM <source table>.
I was wondering if I could use a single dataflow and change its source and target transform data source to do the same as above. In a script component, is it possible to load a package and modify its dataflow to simulate the INSERT INTO <target table> SELECT * FROM <source table>?
Thank you,
Ccote
I was using the code in this thread (http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1371094&SiteID=1) to create a console application which can build the SSIS package dynamically and run the package.
If the source column and destination column names are of different cases then the application was failing during the mapping. So I modified the for each loop like below. Still this is not a fool proof method, this will work as long as all characters in the column names are upper or lower.
for eg., Source column = empl_id, Destination column = EMPL_ID, in this case the below code will work. if the source column or destination column is Empl_Id, then the below mapping will fail.
Code Block
foreach (IDTSVirtualInputColumn90 vColumn in vInput.VirtualInputColumnCollection)
{
IDTSInputColumn90 vCol = destnDesignTime.SetUsageType(input.ID, vInput, vColumn.LineageID, DTSUsageType.UT_READWRITE);
try
{
destnDesignTime.MapInputColumn(input.ID, vCol.ID, input.ExternalMetadataColumnCollection[vColumn.Name.ToLower()].ID);
}
catch
{
destnDesignTime.MapInputColumn(input.ID, vCol.ID, input.ExternalMetadataColumnCollection[vColumn.Name.ToUpper()].ID);
}
}
So how can I map the columns irrespective of the cases?
Thanks
Hi,
I have a package in which i have programatically created dataflow task. It used to work fine but now it fails with series of errors out of which one is below
Error 30002: Type 'MainPipe' is not defined. Line 63 Columns 33-40 Line Text: Dim DataFlowTask As MainPipe = CType(DataFlowTaskHost.InnerObject, MainPipe)
It seems all the function and classes referd from following dlls is not working:
Microsoft.SqlServer.DTSRuntimeWrap.dll
Microsoft.SqlServer.DTSPipelineWrap.dll
I say so because i get the following error also:
Error 30652: Reference required to assembly 'Microsoft.SqlServer.DTSRuntimeWrap, Version=9.0.242.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91' containing the type 'Microsoft.SqlServer.Dts.Runtime.Wrapper.IDTSConnectionManager90'. Add one to your project. Line 86 Columns 33-64 Line Text: DtsConvert.ToConnectionManager90(ChildPackage.Connections(""Source"")) These dlls are in GAC and in C:Program FilesMicrosoft SQL Server90SDKAssemblies with same version but still it gives above error.
Thanks
Mohit