Pass Variable Value To DataReader Source
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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Feb 13, 2007
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.
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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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Nov 15, 2007
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
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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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May 3, 2007
In SSIS in Sql task we have option to pass parameter or variable..But in Data Flow Task when we use Data Reader Source using ADO.NET connection..There is no option to pass parameter or variable Or no option to receive a parameter or variable .
I am having a query were it need to pass a parameter.in sql task ...And Data Reader Source have to receive this parameter from sql task .
Sql Task finds a value of parameter and pass to DataReader Source in DataFlow Task .. ...
Please can any one help me to solve this problem of Receiving parameter or variable in DataReader Source using DAO.Net connection in DataFlow Task..thank you dilsa
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Aug 30, 2006
HI!
as far as I know from docs and forum datareader is for .NET data in memory. So if a use a complex dataflow to build up some data and want to use this in other dataflow componens - could i use data datareader source in the fist dataflow and then use a datareader souce in the second dataflow do read the inmemoty data from fist transform to do fursther cals ?
how to pass in memory data from one dataflow to the next one (i do not want to rebuild the logic in each dataflow to build up data data ?
Is there a way to do this ? and is the datareader the proper component ? (because its the one and only inmemory i guess, utherwise i need to write to temp table and read from temp table in next step) (I have only found examples fro .NET VB or C# programms to read a datareader, but how to do this in SSIS directly in the next dataflow?
THANKS, HANNES
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May 18, 2006
when I configurate the datareader source using the ODBC connection manager. it show the follow error message:
"Error at Data Flow Task[DataReader Source [562]]: Cannot acquire a managed connection from the run-time connection manager"
this ODBC is connect to IBM DB2.
Can anyone help on this?
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Nov 15, 2007
Hello,
I have a DataReader souce configured to an ADO.NET connection manager that uses a .NET ODBC Data Provider. The DSN configured in the connection manager uses the IBM DB2 ODBC Driver.
I have a package variable, the value of which I want to use in the WHERE clause of the query contained in the Data Reader source. The query is as follows:
SELECT
T1."IRK_ACCT_CD",
T1."IRK_COMPANY_NBR",
T1."IRK_ACCT_NAME",
T1."IRK_ADDRESS_1",
T1."IRK_ADDRESS_2",
T1."IRK_ADDRESS_3",
T1."IRK_STATE_CD",
T1."IRK_POSTAL_CD",
T1."IRK_AR_TYPE",
T2."RK502_ITEM_RE_NO",
T2."RK502_TRANS_CD",
T2."RK502_TRANS_TYPE",
T2."RK502_ITEM_AMT",
T2."RK502_ITEM_DT",
T2."RK502_PURCH_ORD_NO",
T2."RK502_GL_EFF"
FROM "CBDBOW"."IRK_RECORD" T1, "CBDBOW"."RK502_OPEN_ITEMS" T2
WHERE
T1."IRK_COMPANY_NBR" = T2."RK502_COMP_NO"
AND
T1."IRK_ACCT_NUMBER" = T2."RK502_ACCT_NO"
AND
T2."RK502_ITEM_DT" < ?
I'm not very sure as to how to map the package variable this way. I think for ODBC parameters, I need to represent the parameter with a question mark.
What else do I need to do to set this up?
Thank you for your help!
cdun2
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Mar 26, 2007
I have configured my DataReader to use an ADO.net (ODBC) connectivity (entered Select * from AMPFM) in Sqlcommand and can see my database columns listed in the Advanced Editor / Column mappings window. My process needs to perform a straight column to column population from AMPFM table into my dbo.visitfinancials table. How do I point the output to the above table?
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May 21, 2008
I have a problem with DataReaderSource.
I'm trying to get data from Notes table. I created a Connection manager
and the connection was successful. The SQLCommand in "Component properties"
tab is a simple "select * from <table_name>". When I switch to the
"Column mappings" tab, only the first column from the table is displayed.
Pressing the "Reftesh" button resulst in the following error:
Error at Data Flow Task {DTS.Pipeline]: The "output column <column_name> has a length that is not valid.
The length must be between 0 and 4000.
When I go to the "Input and Output Properties" tab, the DataType for the output column is not populated
and the error message "Error in Data Flow Task [DTS.Pipeline]: The output column <column_name> had an
invalid datatype (0) set."
The DataType property is not populated at all. Changing the data type to DT_STR results in error:
"Property value is not valid". Details: Error at Data Flow Task [DataReader Source]:
The data type of output columns on the component "DataReader Source" cannot be changed".
I read on a previous post to explicitly convert field , and tried to explicitly covnert the dataype on the field
in my query (ex. select convert(varchar(50) from fieldname)
It then gives foll err:
ERROR [42000] [Lotus][ODBC Lotus Notes]Incorect syntax near ','
[Lotus][ODBC Lotus Notes]Name, constant or expression expected.
Any idea on how to resolve this?
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Feb 12, 2008
Hi,
I am running an MDX query in SSIS but I don't know what is the best way of doing this, performance wise.
I know I can run the MDX query through an openquery in the OLEDB, and also run it through a Datareader, no openquery needed.
I know the datareader is slower in a normal basis due to .Net, but in this case the OLEDB is running an open query to a linked server which won't be fast like running a regular SQL.
If anyone knows which of this two run faster in this scenario I'll appretiate if you let me know.
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Mar 12, 2007
Greetings my SSIS friends,
Apologies for asking a similar question again but I am still non the wiser with this problem!
Let me explain to you my situation and the method I've adopted to try and solve it.
I have some source data residing in a SQL Server 6.5 database. The source data consists of a single table. For this example I will assume that my table contains only 2 columns, an ID column called result_ID and a Result_Name.
The idea is to retrieve new data each time the package is run. We will know this because the result_IDs in the source table will be greater than the maximum result_ID in my destination table . The way the package should work is like this :
1) Retrieve maximum result_ID from destination table
2) retrieve data from source table where result_ID > maximum result_ID from destination table.
My package consists of a
1) SQL Query Task which retrieves the maximum result_ID and places it in a user variable (type Int32).
2) A Data flow task with a Datareader source adapter which uses an expression to retrieve the data. My expression looks like this : "select * from result where result_id > " + (dt_str, 10, 1252) @[User::max_result_id]
When I run my package the first time all the rows are retrieved (as my destination table is empty to begin with). BUT when I run it the second time the same thing happens again!! All rows are retrieved.
I placed a breakpoint at the point where the variable gets populated with the maximum result_ID and true enough, the variable gets populated with the correct result_ID BUT then that variable gets reset to 0 in my expression!
This problem is driving me crazy! Has anybody out there experienced this kind of problem before?! What are the ways to solve it?!
Thanks for your help in advance.
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Oct 25, 2007
I get an error at the end of a 47 million row job when I use the datareader source. It goes through all the records and then the package fails. The error (DataReader Source [1]] Error: System.NullReferenceException: Object reference not set to an instance of an object. ) occurs at the datareader source. I suspect it's because my record set returns a null value at some point. Any ideas?
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Feb 27, 2008
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.
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Mar 2, 2006
Is there a way to control the types for output columns of a DataReader Source? It appears that any System.String will always come out as DT_WSTR. As I have my own managed provider, and I know what went in, I can say that really it should be DT_STR. The GetSchemaTable call from my provider will always say System.String as it does not have much choice, but GetSchemaTable does contain a ProviderType which is different for my DT_STR vs DT_WSTR, or rather when I want each. I think something like MappingFiles as used by the Wizard would work, but can I do anything today?
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Aug 25, 2007
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
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Feb 29, 2008
I have a package that runs every hour. It runs fine most of the time but once in a while
I get this not very helpful error message "the component 'xyz' is unable to process data" on DataReader Source component.
when i try to run it again on the same data it works fine. So i dont think it has to do with data.
Is there a way i can get more information on this error?
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Feb 24, 2006
I am trying to import data from an ODBC source using the Datareader but have come accross a problem, can anyone help?
Whenever I try to do a 'SELECT * FROM sometable' I get the following error:
Error at Data Flow Task [DTS.Pipeline]: The output column "notes" (521) has a length that is not valid. The length must be betewwn 0 and 4000
Most of the tables we require have this field.
Is there any way to by pass this error and import the field as DT_WSTR type and convert to DT_NTEXT?
Our original DTS package (2000) worked well but we would like to move forward.
Thanks in advance.
John
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Mar 21, 2008
I am trying to migrate data from MySQL 5.0 to SQL Server 2005. The MySQL database has a table which stores the profile description in different languages like (Arabic, Spanish etc). I use MySQL ODBC 5.1 driver for creating the ODBC connection and creating a ADO connection in SSIS using that ODBC. The datareader source connection is set to this ADO connection.
When I view the properties of columns in Datareader source it shows as Unicode, which is good. But when I migrtae to SQL Server 2005 I get junk data instead of the data in Arabic, Spanish etc.
Am I missing something or is there any other alternative to do the data transfer correctly?
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Mar 16, 2006
Hi,
I am trying to use the DataReader Source to import a table from a PostgresSQL database into a new table in SQL 2005 database. It works for all tables except one, which has over 80,000 records with long text columns. When I limit the import to fraction of records (3,000 to 4,000 records) it works fine but when I try to get all it generates the following errors:
Source: DataReader using ADO.NET and ODBC driver to access PostgresSQL table
Destination: OLE DB Destination - new table in SQL 2005
(BTW - successful import with DTS packagein SQL 2000)
---Errors
Error: 0x80070050 at Import File, DTS.Pipeline: The file exists.
Error: 0xC0048019 at Import File, DTS.Pipeline: The buffer manager could not get a temporary file name. The call to GetTempFileName failed.
Error: 0xC0048013 at Import File, DTS.Pipeline: The buffer manager could not create a temporary file on the path "C:Documents and SettingsmichaelshLocal SettingsTemp". The path will not be considered for temporary storage again.
Error: 0xC0047070 at Import File, DTS.Pipeline: The buffer manager cannot create a file to spool a long object on the directories named in the BLOBTempStoragePath property. Either an incorrect file name was provided, or there are no permissions.
Error: 0xC0209029 at Import File, DataReader Source - Articles [1]: The "component "DataReader Source - Articles" (1)" failed because error code 0x80004005 occurred, and the error row disposition on "output column "probsumm" (1639)" specifies failure on error. An error occurred on the specified object of the specified component.
Error: 0xC02090F5 at Import File, DataReader Source - Articles [1]: The component "DataReader Source - Articles" (1) was unable to process the data.
Error: 0xC0047038 at Import File, DTS.Pipeline: The PrimeOutput method on component "DataReader Source - Articles" (1) returned error code 0xC02090F5. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing.
---End
Any idea why it can't create a temp file or why it complains about the "The File exists", which file, where, etc. Any help or alternative suggestions are greatly appreciated. What I am missing or doing wrong here?
Best,
Michael Sh
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Dec 4, 2007
I'm attempting to iterate package components of a package created in the SSIS designer, but have run into a problem identifying the DataReader Source managed component.
For instance, if iterating the dataflow task components like so:
Application app = new Application();
MainPipe pipe = taskHost.InnerObject as MainPipe;
foreach (IDTSComponentMetaData90 component in pipe.ComponentMetaDataCollection)
{
if (component.ComponentClassID == app.PiplineComponentInfos["DataReader Source"].ID)
{
// THIS IS NEVER REACHED
}
}
The ComponentClassID of the component is a GUID, but the PipelineComponentInfo.ID AND PipelineComponentInfo.CreationName are both the fully qualified assembly name of the data reader source adapter, which is:
"Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter, Microsoft.SqlServer.ADONETSrc, Version=9.0.242.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"
From reading another post i attempted to get the ProgID of the component from the class ID (ole32 ProgIDfromCLSID) but that only yields a ProgID of DTS.ManagedComponentWrapper.1
How can I properly identify this type of dataflow component?
I am running SQL Server SP2 (Developer Edition) on XP Pro SP2.
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Nov 3, 2006
Hi,
I am trying to import data from Oracle RDB into SQL Server 2005 using SSIS. Created a ODBC data source to connect to Oracle and used DataReader Source component and ADO.net to connect to the ODBC data source.
Under the Component properties tab, the SQL Command looks something like this.
Select ID, ADDRESS, REVISED from ADDRESS
The data type for the source columns are Integer, Varchar(30) and DATE VMS.
Now when I look at the Input and Output properties window,
The External columns has the following data types.
ID - four-byte signed integer [DT_I4]
ADDRESS - Unicode string [DT_WSTR], length = 0
REVISED - database timestamp [DT_DBTIMESTAMP]
The Output columns has the following data types
ID - four-byte signed integer [DT_I4]
ADDRESS - Unicode string [DT_WSTR], length = 0
REVISED - database timestamp [DT_DBTIMESTAMP]
When I tried to change the length of the ADDRESS on the output column, I get the following error.
Error at Data Flow Task [DataReader Source [1]]: The data type of output columns on the component "DataReader Source" (1) cannot be changed.
Error at Data Flow Task [DataReader Source [1]]: System.Runtime.InteropServices.COMException (0xC020837D)
at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.SetOutputColumnDataTypeProperties(Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostSetOutputColumnDataTypeProperties(IDTSManagedComponentWrapper90 wrapper, Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
Is this the default length for the Unicode string type. I was not able to load the ADDRESS column as it gets truncated before I load it into destination. Even if I use Derived or Data Conversion transformation, the ADDRESS is getting truncated before it reaches this transformation.
Any thoughts.
Thanks,
SK
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Jan 17, 2007
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
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Nov 20, 2007
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
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Jan 13, 2006
Synopsis:
Attempting to create a data flow task to copy data from AS/400 (DB2) to SQL2005, using an existing System DSN ODBC connection defined on the SQL2005 host.
Problem:
When adding the DataReader Source component to the package, I cannot assign the Connection Manager. Designer issues the error message:
"The runtime connection manager with the ID "" cannot be found. Verify that the connection manager collection has a connection manager with that ID."
Editing the DataReaderSrc component shows only one row under the Connection Managers tab:
Name=IDbConnection
Connection Manager=blank
Description=Managed connection manager
The datareadersrc component editor displays the warning message: "Not all connection managers have been set. Set all connection managers.". Clicking the Refresh button causes the error message to be displayed "The runtime connection manager with the ID "" cannot be found. Verify that the connection manager collection has a connection manager with that ID."
I am prevented from assigning my Connection Manager object the DataReaderSrc.
The package already contains one Connect Manager object:
Provider: .Net Providers/Odbc Data Provider
System DSN
Test Connection operation succeeds
Any help would be appreciated.
Fraser.
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May 11, 2007
I want to import data from a remote MySql Database
So, I created an New Connection (ADO.Net), connection Test is successful but when I try to set the sql string in the advanced editor i get the following error:
Error at Data Flow Task [DataReader Source [2182]]: System.Data.Odbc.OdbcExeption: ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
ERROR [HY010][MySQL][ODBC 3.51 Driver][mysqld-4.1.10a]
......
bei System.Data.Odbc.OdbcDataReader.NextResult(Boolean.disposing, Boolean allresults)
bei System.Data.Odbc.OdbcDataReader.Close(Boolean Disposing)
bei System.Data.Odbc.OdbcDataReader.Close()
bei Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.ReinitializeMetaData()
bei Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.ReinitializeMetaData(IDTSManagedComponentWrapper90 wrapper)
the sql string is very simple, this should not be the problem:
SELECT Objektnr FROM m02a_tblObjektstamm
Thank you very much for your support
Martin
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Jun 20, 2006
Hi
I have an integration services script that was working ok until a recent database upgrade. When I run the script in gui debug mode it behaves as follows. The data flow reads in data from an oracle server table VALNREQ & then uses it to populate a sqlserver table (with a little manipulation of the fields in between). For some reason although it populates the destination table with the correct number of rows (& the data looks ok) it errors out with the messages listed below. The DataReader Source dataflow source box turns red & all the other boxes turn green including the destination one. I have run out of ideas ... any suggestions? Have I inadvertently changed a property without noticing? I can't see anything obvious & the input data itself looks clean enough.
Any pointers in the right direction would be great, thanks. I've been thrown in at the deep end with this s/w so I imagine there are a number of large gaps in my knowledge so apologies if there is a simple solution to this.
B
[DataReader Source VALNREQ [1]] Error: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.PrimeOutput(Int32 outputs, Int32[] outputIDs, PipelineBuffer[] buffers) at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostPrimeOutput(IDTSManagedComponentWrapper90 wrapper, Int32 outputs, Int32[] outputIDs, IDTSBuffer90[] buffers, IntPtr ppBufferWirePacket)
[DTS.Pipeline] Error: The PrimeOutput method on component "DataReader Source VALNREQ" (1) returned error code 0x80004003. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing.
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Sep 22, 2006
I'm trying to create a DataReader source object using a working ADO.NET Oracle Client connection object that exists in the connection manager.
Problem:
When I open the editor the DataReaderSrc component shows only one row under the Connection Managers tab:
Name=IDbConnection
Connection Manager=blank
Description=Managed connection manager
I cannot assign the ADO.NET connection (or any connections). I see a warning at the bottom of the Connection Managers tab:
"Not all connection managers have been set. Set all connection managers."
When I click refresh the warning message changes to:
"The runtime connection manager with the ID "" cannot be found. Verify that the connection manager collection has a connection manager with that ID."
I am prevented from removing the IDbConnection or assigning my Connection Manager object to the DataReader Source.
Thanks, -- Mike
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Apr 10, 2008
I have created an SSIS On my PC, That extracts data out of Lotusnotes. When I run it manaully from Visual studion-execute package, it works just fine.
However, when I go tO Management studio, chose the servername, then go to Stored Package-MSDB- And chose Packagename, and hit Run PKG from there, it gives me the error below. Server has 2005 AND IS WINDOWS 2003 OS.
The product level is insufficient for component "datareader source"
Can you tell me why the same pkg will work fine when executed from Visual studio-But when I go the run it from Storedpackages-MSDB-it fails.
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Apr 25, 2008
Hello,
I am having an issue when attempting to retrieve data from SPSS via a ADO.NETDBC Connection
using the DataReader source. What seems to be occurring is that the DataReader is reading a column that
has a length of 255 and what it is doing is taking the first 200 characters and starts repeating the
characters starting at character 201, in this way erasing any data held in positions 201 to 255.
Another way of saying this:
This statement returns data in the results but I have noticed the data is incorrect. It seems to only
be selecting the initial 200 characters of the 255 in the field. Then it starts to repeat the
first 200 characters again to complete the full selection of the 255 characters
Here is an example:
Instead of:
€œXXXXX changed my life before it got worse. It was very informative. They gave me the information. They left it up to me to ponder over it and make the decision on what I wanted to do. It informed me on what drugs do to your body and mind. I was stress€?
I end up getting:
€œXXXXX changed my life before it got worse. It was very informative. They gave me the information. They left it up to me to ponder over it and make the decision on what I wanted to do. It informed XXXXX changed my life before it got worse. It was very€?
Source Column Datatype that SSIS can see is of Unicode string [DT_WSTR] type. Also it correctly identifies
the length is 255 in both the External Column, and Output Column section.
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Feb 26, 2007
Hi There,
I am loading/executing packages from c# and I need to populate a temp table from user input and pass this table as a variable to the datareader source components sql command. I am using expression to build this query, but I am getting design time error when I have this command..
"select id, (SysDate + 28) as ExpiresDate from Table1 where id in (Select Id from" +@[User::Table2]+")"..
I have declared Table2 as a variable of type Object and I am creating Table2 in C# and I am assigning that Table to the user Table. But in the design mode, I am getting an error...expression cannot be evaluated.
Can anybody please tell me when I cannot do this?
Thanks,
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Aug 7, 2007
I am connecting to a MsAccess-database using ODBC. While developing the package we have changed mappings for this database. The ODBC was changed accordingly and the old definitions were deleted. However SSIS is still using the old ODBC-links even when deleting all existing connections and adding a new connection. Somehow the old settings have been saved and are being reused in the DataReader Source. If so where are they saved and how can I change/delete them ???? Note: I suspect the Server Explorer because every time I add a data connection using the ODBC, the Datareader Source starts using the wrong definition (even when Server Explorer uses the correct one).
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