Mapping Package Variables To A SQL Query In An OLEDB Source Component

Nov 2, 2006

Learning how to use SSIS...

I have a data flow that uses an OLEDB Source Component to read data from a table. The data access mode is SQL Command. The SQL Command is:

select lpartid, iCallNum, sql_uid_stamp
from call where sql_uid_stamp not in (select sql_uid_stamp from import_callcompare)

I wanted to add additional clauses to the where clause.

The problem is that I want to add to this SQL Command the ability to have it use a package variable that at the time of the package execution uses the variable value.

The package variable is called [User::Date_BeginningYesterday]

select lpartid, iCallNum, sql_uid_stamp
from call where sql_uid_stamp not in (select sql_uid_stamp from import_callcompare) and record_modified < [User::Date_BeginningYesterday]

I have looked at various forum message and been through the BOL but seem to missing something to make this work properly.

http://msdn2.microsoft.com/en-us/library/ms139904.aspx

The article, is the closest I have (what I belive) come to finding a solution. I am sure the solution is so easy that it is staring me in the face and I just don't see it. Thank you for your assistance.

...cordell...

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Problem With Excel Source To OLEDB Mapping

Nov 26, 2007

Hi,

I have an Excel source, which I have hooked up to a Data Conversion task. I have defined "Output Aliases" for all my columns in the Data Conversion task.

However, when I try to map the columns from the Data Conversion task to the table columns, there is a list of column names, which do not correspond to the names I defined as "Output Aliases."

For example, one of the Output Aliases is "col1." However, when I go to map it, the column name is not "col1" but "My Excel file.col1".

Why is this happening? I have not had this problem before.

Thanks

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Apr 29, 2008

I am debugging a Data Flow task in my SSIS package. When I run the package in debug mode, one of the OLEDB Data Sources turns red. I have rerouted all Error Output to a flat file, and put a Data Viewer on that path: no rows get sent. When I click the Preview button on this component in Design mode, I see the expected data and get no error messages. The connection does a simple table access...no SQL command. I don't see anything different between this component and other OLEDB sources in the same package that don't trigger any errors. I've tried dropping and re-creating the component with the same results.

What else can I do to debug this?

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Jul 31, 2006

Hi,

I have created lastUpdatedDate variable on package level. I have run a sql task and store a date in that variable.

now i am trying to pass that variable as parameter to oledb source connection (using command). it seems that we cant pass parameter in any sub query or derived table in query. its only working in outer query as soon as we place ? in WHERE clause of inner query it start throwing an 'Syntax Error' error saying that connection provider might not support that.

any idea ?????

I dont want to use command variables as my query is going to be quite big.

Note : I have tried Sql Server Native and OLEDB provider for sql server and this behaviour is seems to be constant in both.

Thanks,

Furrukh baig

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Script Component As Source: The Collection Of Variables Locked For Read Access Is Not Available At This Point.

Jan 17, 2008

Hello, I am trying to configure a Script Component as a data source. Although this should be a simple exercise, I am running into a problem.

My control flow contains a Foreach Loop with a file iterator. The Directory Expression of the Foreach Loop Editor is supplied by an expression mapped to a package level variable called inputdirectory. The FileNameRetrieval Expression is mapped to a package scoped variable called filename.

My data flow is encapsulated by the Foreach Loop, and contains a Script Component as Source for the Data Flow Source, and a Flat File for the Data Flow Destination. The contents of the Script Designer are as follows:




Code Block
Imports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
Imports Microsoft.SqlServer.Dts.Runtime.Wrapper
Imports System.IO
Public Class ScriptMain

Inherits UserComponent
Dim thisFileDate As Date
Dim thisFileName As String
Dim thisFilePath As String
Public Overrides Sub CreateNewOutputRows()

thisFileName = ReadOnlyVariables("filename").Value.ToString()
thisFilePath = ReadOnlyVariables("inputdirectory").Value.ToString()
thisFileDate = File.GetCreationTime(thisFilePath & "" & thisFileName)
FileSpecBuffer.AddRow()
FileSpecBuffer.FileName = thisFileName
FileSpecBuffer.FullPath = thisFilePath & "" & thisFileName
FileSpecBuffer.CreateDate = thisFileDate
End Sub
End Class






When I debug the package, I get the following error:

The collection of variables locked for read access is not available at this point.

at Microsoft.SqlServer.Dts.Pipeline.ScriptComponent.get_ReadOnlyVariables()

at ScriptComponent_67311120e6eb4162a3ea1f70847f04de.ScriptMain.CreateNewOutputRows()

at ScriptComponent_67311120e6eb4162a3ea1f70847f04de.UserComponent.PrimeOutput(Int32 Outputs, Int32[] OutputIDs, PipelineBuffer[] Buffers)

at Microsoft.SqlServer.Dts.Pipeline.ScriptComponentHost.PrimeOutput(Int32 outputs, Int32[] outputIDs, PipelineBuffer[] buffers)

My googlefu fails me at reconciling this. I have read various posts about changing the line ReadOnlyVariables("filename").Value to ReadWriteVariables("filename").Value, and handling the buffer assignment in PostExecute. The problem is that all examples shown are either for Script Component as Destination or Script Component as Transformation. I have tried playing with the Custom Properties in the Script Commponent set the ReadOnlyVariables and ReadWriteVariables, using a PreExecute method, a PostExecute method, all with different errors returning. I'm at a loss here. Could anybody provide me with a simple working example so that I can correctly populate my output buffer in the context of Script Component as Source?


I fully understand that I could just run a Script Task Using System.IO.Directory, and System.IO.File, but I really want to make this package work in the manner I've described. Any help would be appreciated.

Thanks,

John T

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Feb 27, 2006

I am trying to reference a package level variable in a script component (in the Code) and am unable to do so successfully. I have it listed as a ReadOnlyVariables in the custom properties of the script component, however unable to reference it in the code.

Any help will be appreciated.

Thanks,

Andy.

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Oct 26, 2006

Hi

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Thanks

Mani





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Jun 8, 2006

Hi All,

Another requirement has cropped up with regard to picking up connection settings for data sources from an external File.

My source and target are both in SQL Server. What i need is that if my source or target changes I should just change my external file and same should reflect in my package.

How can I accomplish it? Please suggest some solution.

Thanks in advance.

Regards,

Aman Anand

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The Component Metadata For Component DataReader Source (1113) Could Not Be Upgraded To The Newer Version Of The Component.

Oct 26, 2007

Hello,

I have a package that has a data lfow task. this task imports data from a db2 database (using the IBM Ole DB provider fro db2) and adds it to sql server database table. This package was created on the server. then though version control (using TFS source control) I check out the package on my local machine. and when I open the package I get the foll 3 errors.

Error 1 Validation error. Import Account Num from BMGP_BDR: DTS.Pipeline: The component metadata for "component "DataReader Source" (1113)" could not be upgraded to the newer version of the component. The PerformUpgrade method failed.

Error 2 Error loading BMAG Download Xref Tables - bmag.dtsx: Microsoft.SqlServer.Dts.Pipeline.ComponentVersionMismatchException: The version of component "DataReader Source" (1113) is not compatible with this version of the DataFlow. [[The version or pipeline version or both for the specified component is higher than the current version. This package was probably created on a new version of DTS or the component than is installed on the current PC.]] at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostCheckAndPerformUpgrade(IDTSManagedComponentWrapper90 wrapper, Int32 lPipelineVersion)

Error 3 Error loading BMAG Download Xref Tables - bmag.dtsx: The component metadata for "component "DataReader Source" (1113)" could not be upgraded to the newer version of the component. The PerformUpgrade method failed.


Please advice.
Thank you.





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Using Stored Procedure As OLE DB Source With Parameters From Package Variables

Apr 4, 2006

Hi Guys,

(I have searched this forum extensively, but still can't find the solution to this problem)

Here it is:

I have step in my ETL process that gets facts from another database. Here is how I set it up:

1) I have to package variables called User::startDate and User::endDate of data type datetime

2) Two separate Execute SQL Tasks populate those variables with appropriate dates (this works fine)

3) Then I have a Data Flow Task with OLE DB source that uses a call to a sproc of the form "exec ETL_GetMyData @startDate = ?, @endDate = ?" with parameters mapped accordingly (0 -> User::startDate, 1 -> User::endDate)

When I run this I get an error 0xC0207014: "The SQL command requires a parameter named "@startDate", which is not found in the parameter mapping."

It is true that the sproc in fact requires @startDate and @endDate parameters, so next thing I tried to do is call the sproc the following way: "exec ETL_GetMyData @startDate = ?, @endDate = ?"

To no avail. It gives me the same error. Incidentally, when I hard code both dates like "exec ETL_GetMyData '2006-04-01', '2006-04-02'" everything works well.

Also, I want to mention that in the first two cases, I get an error right in the editor. When I try to parse the statement it gives me "Invalid parameter number" message.

This has been such a pain in my neck. I've waisted the whole day trying to monkey with the various parts of package/statements to get this to work and it still doesn't. I dont' want to say anything about Integration Services design right now, but you probably know what I'm thinking...

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The Component Metadata For Component DataReader Source Could Not Be Upgraded To The Newer Version Of The Component.

Jan 23, 2007

Hi,

I have a package which reads an Access file from a folder. My connection manager to this file is .NET providers for OledbMicrosoft Jet 4.0 OLE DB Provider.

Package works from my computer. But when I execute it on the server as a SQL Agent job, I get







The component metadata for "component "DataReader Source" (1) could not be upgraded to the newer version of the component. The PerformUpgrade method failed.  

I copied the mdb file to a folder on the server which my packages have no problem reading data from.

My packages run under the same domain account as defined in proxies.

Appreciate a help.

Gulden

 

 

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1 How to get the desired output colums into Excel file without having 'copy of column/unwanted columns' in destination file.

2. How to override the existing file in excel destination.

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Jan 10, 2012

I am putting the below query in a OLEDB SOURCE through a variable (it is a select statement with a where clause from one date to another).

"select TestRecordtype, request_id from department
where LOAD_TMSTP between
(select max(END_TMSTP) LOG) and
(TO_DATE("+RIGHT("0" + (DT_STR,4,1252)DATEPART( "dd" , @[System:tartTime] ), 2) + "-"
+RIGHT("0" + (DT_STR,4,1252)DATEPART( "mm" , @[System:tartTime] ), 2) + "-"
+RIGHT("0" + (DT_STR,4,1252)DATEPART( "yy" , @[System:tartTime] ), 2) + " "
+RIGHT("0" + (DT_STR,4,1252)DATEPART( "hh" , @[System:tartTime] ), 2) + "."
+RIGHT("0" + (DT_STR,4,1252)DATEPART( "mi" , @[System:tartTime] ), 2) + "."
+RIGHT("0" + (DT_STR,4,1252)DATEPART( "ss" , @[System:tartTime] ), 2) +",'DD-MM-YY HH24.MI.SS')) "

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Jul 5, 2006

Provider cannot derive parameter information and SetParameterInfo has not been called. (Microsoft OLE DB Provider for Oracle)


I am getting the above error while opening the parameter box at OLEDB source for Oracle using SQL command option at Data Access Mode?? Can you any one please help me in this regard and trouble shoot this problem..

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Mar 23, 2006

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Integration Services is running the whole query when validating. how can I disable this validation or better make it validate properly.

thanks

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May 10, 2006



Hi

in the acquireconnection method Using the below statment I can get a connection Object

oledbConnection = cmado.AcquireConnection(transaction) as OleDbConnection;

from the connection object I can get the connectionstring from the object by calling

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How to get the password Information, I need that information since I will use that info to make OCI calls to fetch the data from the Oracle database in m,y custome source component.

any help is much appriciated

thanks in advance.

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SSIS OLEDB Data Source Query Parameters Connect To Oracle

Oct 26, 2007

Hi,

I'm trying to use query parameters with an Oracle OLEDB Source in a data

flow task and I'm having problems.

I've tried formatting the query each of the following ways...

--

select

frq_code,

frq_name,

update_frq,

uptime_frq

from frequency_bcs

where update_frq > ?

and update_frq <= ?

--

Parameters cannot be extracted from the SQL command. The provider might not

help to parse parameter information from the command. In that case, use the

"SQL command from variable" access mode, in which the entire SQL command is

stored in a variable.

Additional information

---> Provider cannot derive parameter information and SetParameterInfo has

not been called. (Microsoft OLE DB Provider for Oracle).

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Apr 26, 2007

Hi,



Urgent Help required..........

Can anyone explain me steps how to parameterized query to send oracle.

If you know any other control which help to do this rather than OLEDB source.

Please let me know.



THanks

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Oct 10, 2006

Hi all,

I got an error when i do an OLE db Source pointing to an sql 2000 database and executing a sql query inside the OLE Source. The ole source will point to an OLE DB destination which is an sql 2005 database.

But i got the below error:

Error at Data Flow Task [OLE DB Destination [245]]: the column firstname cannot be processed because more than one code page (936 and 1252) are specified for it.

Error at Data Flow Task [DTS.Pipeline]: "component "OLE DB destination" (245)" failed validation and returned validation status "VS_ISBROKEN".

Error at Data Flow Task [DTS.Pipeline]: One or more component failed validation.

Error at Data Flow TaSK: There were errors during task validation.

(Microsoft.DataTransformationServices.VsIntegration)



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Complication - When Mapping Columns To OLEDB Destination In C#

Aug 28, 2007



Hi ,

I have a Package Consisting of the following (tried to portray the flow below)

1) OLE DB Source (Which I set the sql command for in code)


|
/
2) Rowcount Transform (Counts the Source Records)

|
/
3) Derived Column (Adds An AuditJobID ,ExecutionStartDate)


|
/
4) Conditional Split (Splits New and Updated Record - My Implementation of SCD)





/
/ /
5) Rowcount Transform (Counts the New Records) Rowcount Transform (Counts Update Records)




/
/ /
6) OLEDB Destination OLEDB Update Command

I am trying to map the columns in the "OLEDB Destination" with c# ,with the following


IDTSInput90 input = oledbDestination.InputCollection[0];

IDTSVirtualInput90 vInput = input.GetVirtualInput();

As soon as I call the input.GetVirtualInput(); method I get a com exception ,Seem that I am missing a

VirtualInputColumnCollection on the component ,but can't seem to figure out why.



When I drop the all the other components and only keep the OLEDb Source and OLEDB Destination with a flow between them , the call to input.GetVirtualInput() doe not fail with a com exception and I can mapping normally

I really need some guidance on the above.

Regards
Cedric

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Feb 7, 2006

Does anyone know how to get destination coulmns to show up in the advanced editor for a custom component? I have a custom flat file destination component that builds the output based on a specific layout. It works as long as the upstream column names match my output names. What I want is to allow non-matching columns to be mapped by the user as they can in a stock flat file destination. The closest that I have been able to come is to get the "column mappings" tab to show up and populate the "Available Input Columns" by setting ExternalmetadataColumnCollection.IsUsed to true on the input. The problem is that the "Available destination columns" box is always empty. I have tried the IsUsed property on the output and pretty much every other property that I could find. On the Input and Output properties all of my columns show up under the output as both External and Output columns. Is there a separate collection for "destination" columns that I can't find? It's getting a little frustrating, is this something that can be done or do I have to write a custom UI to make it happen?

Thanks!
Harry

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Feb 3, 2006

As mentioned in a previous posting, I have an in-line table valued UDF with three input parameters. I can set this up as an OLEDB Datasource  SQL Command Text with parameter markers (i.e. "?") and test it successfully in the Generic Query Builder. The parameter markers are correctly associated with the input parameters of the UDF and the parameters can be entered at execution time into a parameters table.

So near and yet so far. When I attempt to map the parameter markers with Package Variables there is an error message saying the the parameter details cannot be retrieved from the function. If the function was in a foriegn (e.g. Oracle) database I might accept this as just one of those things but this is a SQL 2005 database and compatability should be complete. Add to this that the Generic Query Builder has no problem with the same UDF and nor does Reporting Services and I have to assume that this is a bug plain and simple.

The only solution that I have seen suggested is to embed the SQL Command text in a Package Variable and change it at execution time but I regard this as a second rate solution.

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May 25, 2005

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Oct 3, 2006

I have an Execute SQL Task1 that executes an extraction stored proc (say spe). spe returns a rowset that has 25 columns. For each row in the rowset, a load stored proc (say spl) has to be executed (spl is executed using Execute SQL Task2). spl has 25 input parameters that match the 25 columns returned by spe (the column names returned by spe and input parameter names of spl are exactly same). To achieve this, in Execute SQL Task1, I had to specify a variable in the Result Set (say User::resultset). After declaring 25 variables, in the foreach loop editor, I had to specify the Variable Mappings of these 25 variables to the column indices of the rowset returned by spe. After this, in Execute SQL Task 2 I had to specify in the Parameter Mapping the mapping between the 25 variable names and 25 parameter names of spl. You can understand that it is cumbersome to define all these mappings manually, especially when there are a lot of variables involved.
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One more problem that I am facing :-
In this package we are having a dataflow control which returns a recordset destination which has a column named ID(in the Input/output tab it is showing its datatype as DT_I8).This recordset is passed to a foreach container control through User::ID variable which is defined as Int64.
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Can anyone please provide a solution to this ?

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Feb 7, 2007

Hi,

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Let me know if I haven't given enough information.

cheers

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Oct 10, 2007

I created a Stored Proc to compute all the data I need to export to a CSV file.
I use the provider MS OLE DB Provider for SQL Server.
It's a very simple package with a single Data Flow Task.
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There are no params.

This Stored Proc is using table variables to compute the data.
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There are no fields at all shown in the mapping screen.

I tried to replace the Stored Proc by a version which only returns fields and no data.
Then the mapping would work just fine.
The package is then compiling and working fine.
But everytime I put back the real stored proc, even without changing the SQL Command, the SSIS execution breaks at execution.
It keeps saying :

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My guess is that SSIS doesn't wait the 10 secs and thinks the Stored Proc is not returning anything.
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Thanks,

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Aug 8, 2007



Hello,
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Thanks,
awiora

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Feb 21, 2007

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Hi
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Sep 4, 2006

Hi,

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João





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Jan 24, 2006

Hi,

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It seems it does not get the values passed in for those variables. I deployed the package to a sql server.

are there any grammar errors here? I copied it from dtexecui. It worked inside Dtexecui not in dos command.

exec xp_cmdshell 'dtexec /SQL "LoadExcelDB" /SERVER test /USER *** /PASSWORD ****

/MAXCONCURRENT " -1 " /CHECKPOINTING OFF /REPORTING EW

/LOGGER "{6AA833A1-E4B2-4431-831B-DE695049DC61}";"Test.SuperBowl"

/Set Package.Variables[User::varExcelFileName].Properties[Value];"TestAdHocLayer"

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/Set Package.Variables[User::varExcelFileFullPath].Value;"D: estshareTestAdHocLayer.xls"

/Set Package.Variables[User::varDestinationTableName].Value;"FeaturesTmp"

/Set Package.Variables[User::varPreSQLAction].Value;"delete from FeaturesTmp"

'



thanks,



Guangming

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