Data Flow Contains No Components After Package Save Operation And Reopening Solution
Jul 25, 2007
I have Data Flow task that contains 50 components.
My computer configuration: 1 GB RAM Microsoft Windows Server 2003
Periodicaly when i try to save package after making some changes Out of memory ... exceptions message box appears , and soon after this Not fatal error occurs ... message box shows . If i close solution and open it again all my 50 components disappears --instead I see clear list, and all my work losen.
Such "Not fatal errors" making hell out of job -- every time I need to change package i must add package to archive!!!
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Mar 6, 2007
HI All,
In several threads there has been discussion regarding adding connection managers to a package's data flow, etc. My challenge is that I have a large solution that contains many packages, and I need to change the connection manager linked to the data flow in all of the packages. When the solution was initially designed, data sources were used, and it has become a tedious maintenance issue to keep those in sync. We want to use a standard OLEDB connection manager, but adding a connection manager to each package and editing the corresponding data flow tasks in each package to use that new connection manager is a daunting task. I've coded a .Net module to access the packages, remove the old connection manager (data source) and add the new OLEDB data source. However, as I traverse the objects in the package hierarchy, when I come to the data flow object, the innerobject is not a dts object, but rather a _com object.. I can't seem to find any documentation/examples as to how to iterate the tasks within a data flow and change the connection manager. If you have any information, that would be quite helpful. If you reply with a code sample, if you would be so kind as to relate it to one of the sample packages provided with SSIS so I can run it, that would be great.
Thank you.
Steve.
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Mar 29, 2007
I created a SSIS package and several data flow componenets for this package.
What does strategy exist to deploy SSIS package and data flow components into a enterparise server?
Thanks in advance.
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Nov 2, 2006
We're experiencing a problem where intermittently our SSIS packages will hang. There are no log errors or events in the event viewer. It will happen whether the package is executed from the SQL Job Agent or run from BIDs. When running from BIDs it appears to hang inside one of the data flows (several parallel pipes with sorts, merge joins etc...). It appears to hang in multiple pipes within the data flow component. The problem is reproducable, we just kill it and re-run, and it appears to hang in the same places.
Now here's the odd thing: as we simply open and close some of the components in the pipe line after the place it hangs, a subsequent run will go further in the pipeline before hanging. If we open and close all the components after the point it initially hung, the data flow will run fine, from there on out. When I say "open and close" I mean no changes are made, we simply double-click the component, like a merge join, then click 'close.'
To me this does not seem like a memory problem but likely something is wrong with the metadata, where opening a component and closing it somehow alters the metadata to "right it".
This seems to occur intermittently after we make modifications to the package. It's like if you make any mod, even unrelated to the data flow, you then have to go through and open and close every component in your package to ensure it will work. Again, no errors or warnings are fired.
Has anyone seen this type of problem?
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Sep 7, 2006
Everything I've read says that custom data flow components are built by inheriting from the Microsoft.SqlServer.Dts.Pipeline.PipelineComponent class.
But the stock components such as the Derived Column data flow transformation must each be implemented by their own class. So how do I base my custom components on those classes? The documentation for the PipelineComponent class doesn't list any such subclasses.
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Aug 29, 2007
Hello,
Is it possible to use existing data flow components (Merge Join, aggregation,...) in a custom data flow component?
Thanks,
Yoann
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Nov 1, 2006
Does anyone know a good place to download (or even purchase) custom data flow components?
Some ideas I've had (and I'm sure I'm not the first):
Transformations:
Filter
Sometimes I just want to filter out certain rows.
Unicode Converter
Convert all unicode columns in place.
Sequence Column
Adds a column with a sequence of numbers. Or perhaps even random numbers.
GUID Column
Adds a column with a GUID.
Destinations:
Garbage
Would act as a visual indicator in the designer that these rows are being discarded. You could add a data viewer right before it too.
Log File
Good for redirected error rows, writes them to various log files.
Email
Along the same lines as Log File, but sends off all the rows in a single email. Great for day to day things. Nothing too critical.
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Nov 15, 2007
Hello everyone,
I am developing an SSIS solution where the Data Flow task extracts data from a source csv file, then performs several transformations on the source data and then starts inserting the cleansed data into several destination tables.
The Data Flow task is getting too large!
Question:
Is there a way (best practice) for grouping components in the Data Flow - similar to the Container concept in the Control Flow?
I know this question sounds too luxurious, but I really loose the overall picture, when the Data Flow canvas gets too crowded.
Thank you in advance.
Samar
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Sep 29, 2007
Hi,
I have a SSIS Package which I would like to modify using SSIS API. I need to put new component between some two existing data flow's components. During this process I need to disconnect two data flow's components using SSIS API. How can I do that?
Thanks,
Rafal
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Mar 29, 2007
I've been having an issue with the integration of a third-party DLL into a custom data flow component.
The company sent me a C# project that generates a simple console application. The project includes a class that calls their DLL with DllImport. The console application runs fine.
I created a stand-alone class using the C# class they sent to expose the methods of their DLL. In my custom component, I'm referencing this class to pass data to and from their DLL.
The first method from that stand-alone class that my component encounters simply gets their installation path from the registry and does not use DllImport. That path retrieval works fine. The next method calls a function that is declared with DllImport. Each time the call fails with "System.DllNotFoundException = {"Unable to load DLL AMZip.dll': Exception from HRESULT: 0xE06D7363"}".
I've copied this DLL to countless locations (e.g., the PipelineComponents directory, the project/solution bin directory) and included these paths in all manner of path variables.
What am I missing here? Their DLL is not strong named (does this matter since I'm using DllImport?), my stand-alone class is, and of course, the custom component itself is. I appreciate the help.
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Mar 20, 2007
Good morning, all,
I am working on importing an Excel workbook, saved as multiple CSV flat files, that has both group level data and related detail row on the same sheet. I have been able to import the group data into a table. As part of the Data Flow task, I want to be able to save the key value for the group, which I will use when I insert the detail rows.
My Data Flow has the following components: The flat file with the data, which goes to a derived column transformation to strip out extraneous dashes, which leads to the OLEDB Destination component.
I want to save the value as a package level variable, so that I can reference it in another dataflow.
Is this possible, and if so, at what point do I save the value?
Thanks,
Kathryn
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Feb 14, 2007
Hello
Kindly i need support in this issue, i create task flow import from flat file and store in database but i need to save all result for task into specific table
Like Record count transferred
Destination table name
Time ..........etc
thanks
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Jun 2, 2006
Hi,
I'm just starting off in SSIS and have a question that I can't find an answer to...
I'm loading in a number of files (in separate Data Flows) and performing some transformations on them before merging them back together. What I'm not sure about is what I should be doing with the data at the end of each of my "Import Data From XXXX Flat File" Data Flows. Am I better off using OLE DB Destinations (or SQL Server Destinations) and saving this intermediate data to temporary tables, or am I better off using a Raw File Destinations and saving this intermediate data to files? Or is there, perhaps, a better option that I'm currently unaware of?
If the Raw File Destination is the way to go, then isn't there a maintenance issue with cleaning up all the files created? And will there not be a management issue to ensure that there is sufficient disc space available on the drive you are saving to?
I'm a bit confused and overwhelmed by SSIS at the moment, so any help would be much appreciated!
Thanks in advance,
Lawrie.
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Jun 3, 2014
I would like to fetch the data flow component name while package is executing. Since system variable named [System::SourceName] only fetches name of the control flow tasks? Is there a way to capture them?
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Feb 9, 2007
Hi,
My scenario:
I have a master securities table which has 7 fields. As a part of the daily process I am uploading flat files into database tables. The flat files contains the master(static) security data as well as the analytics(transaction) data. I need to
1) separate the master (static) data from the flat files,
2) check whether that data is present in the master table, if not then insert that data into the master table
3) If data present then move that existing record to an history table and then update the main master table.
All the 7 fields need to be checked to uniquely identify a single record in the master table.
How can this be done? Whether we can us a combination of data flow items or write a sql procedure to do all this.
Thanks in advance for your help.
Regards,
$wapnil
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Dec 15, 2005
hello ,
I want to download data from an AS/400 to a SQL 2005 Database.
Within Sql server 2000 it was possible to do more than 1 transformation with just 1 source connenction and 1 destination.
In SSIS I have created:
- new solution
- data source
- Data source viewer ( I made named queries to format the data as i want it to be in Sql)
Although it is possible to view the named query data it does not seem to be possible to import the data in the data viewer into my sql 2005 database. (For each dataflow I have to define each query again)
I have added the data source in the connection manager.
Also I am searching to import more than 1 file in 1 package !
I can use however a Dts-2000 package but why then use SQL server 2005
Hope somebody can help me
Regard,
Ronny
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Aug 4, 2006
In SQL Management Studio Express, is there any wany to save the "solution" consisting of the set of queries that I have open at a point in time?
I generally have 10 views I switch back and forth between to monitor a bunch of data load processes, and it would be helpful to be able to return to the same setup next time I login.
TIA,
-- VPDJ
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Apr 17, 2008
In my control flow, I have a container which contains an Execute SQL Task, and then upon success, a Data Flow Task. The SQL Task truncates my datamart table. In the data flow task, I execute a stored procedure (through a variable) that populates that same datamart table. I can execute the stored procedure's select statement in Management Studio with no problems in about ten seconds. However, in the SSIS package, the SQL task completes successfully, and then it hangs indefinitely on the data flow step. In the Data Flow tab, none of the boxes are even turning yellow. Why won't it complete? When I move the Exec SQL Task to another container, the package executes fine, but it should be in the Load Phase container.
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Jul 26, 2006
Hi all...
I'm creating a SSIS in the designer view of SQL Server BI Dev. Studio (SQL Server 2005)
I need to import a whole table from MS Access into my local SQL Server.(this task will be performed weekly, so once working I'll schedule a job for it)
I've created a 'FILE' connection to MS Access in the 'Connection Managers'.
When I'm on the 'Data Flow' tab I can't find a Data Flow Item to use as a MS Access connection.
(available on the 'Data Flow Sources' are only: DataReader, Excel, Flat File, OLE DB, Raw File and XML Sources)
What am I doing wrong/missing?
Thanks for your help.
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Jul 14, 2006
Hello.
I am using the "SSIS Log Provider for SQL Server" to log events to a table for "OnError" and "OnPostExecute" events of a package. This works as expected and provides a nice clean output on the execution steps of the package.
I am curious as to why I do not see any detail for any/all tasks that fall under the "Data Flow" section of the package though. For instance, on my "Control Flow" tab, I added a "Data Flow" task that simply loads a few tables from a target to destination server. However, there is nothing shown in the logging output. Just that a Data Flow task was initiated. And when I'm configuring this logging under "SSIS-->Logging" in the checkbox area on the left, you cannot "drill into" data flow steps.
Is there a reason why there is no detailed logging for Data Flow tasks? Would getting to that require me to create a custom log provider?
Thanks for the help.
Greg
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Mar 13, 2007
Hi Everyone,
In the data flow task, i have done a group by and now i have a single row.... I want to assign the value in this row to a package variable.... Without using the script component .......Any suggestions ??
Regards,
Manu
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Jul 25, 2007
What are the advantages and disadvantages of having multiple data flow tasks in one SSIS package?
Is this a good idea at all considering the workflow may be similar now but may change in the future? Should it be left as one data flow per package?
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Mar 10, 2008
Hi
Is there any task which helps up to update data inside the data flow task or any method to do the same.....
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Apr 10, 2008
Hi, this is my first post and I'm relatively new to SSIS so please go easy on me.
Without going into too much detail about it, I've set up a simple SSIS package which does this in a nutshell:
Foreach loop picks up all *.xls files in a given folder
1 - Puts the name of the current spreadsheet into a variable
2 - File System Task copies the current spreadsheet ("abc.xls") to a file called "work.xls"
3 - Data Flow task performs data extraction on "work.xls" and puts it into a SQL server database
4 - File System Task moves "abc.xls" into a "success" folder
Continues with loop - move onto next spreadsheet
This works fine, so long as the spreadsheets all have the same number of columns.
As soon as one of them has a column missing (believe me, this will happen - we're dealing with users here) the package falls over at step 3.
When the package comes across an erroneous spreadsheet, what I'd like to do is move the offending file to a failure folder (making step 4 either a success or failure file move) and carry on with the next one.
I know that you can have an error path (the red line) from any step within the dataflow task, but this doesn't help me because the error lies in the structure of the spreadsheet and not the contents.
I've already come up with a work around whereby each file is moved into the failures folder just after step 2, then moved from the failures folder into the success folder at step 4.
This almost gives me what I want, although of course the package still falls over whenever it encounters a dodgy looking spreadsheet.
Is there any way that I can get the package to do what I'm after?
Many thanks,
Simon
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Jul 25, 2007
I am using SSIS to populate a star schema.
The issue is in the data flow for loading and setting the Fact table dimension keys (the dimensions are all loaded fine). After 16 rather pedestrian Lookup Transformations, I have an escalating problem adding additional Lookup transforms to the Data Flow. The problem is not in execution; the problem is adding more transforms in design mode.
Lookup # Fields in Data Flow Time to validate that lookup
<17 47 Sub-second
17 48 2 sec
18 49 4 sec
19 50 8 sec
20 51 16 sec
21 52 32 sec
22 53 64 sec
While I€™m intrigued by the mathematical progression that is forming here, the issue is that I have at least 6 more Lookups to perform. I hope you can see my dilemma.
I have gone to where it takes a little over 4 minutes each to validate the lookup transform and its associated Derived Column transform and Union transform (Total 12 Minutes). Not only does this add up to many idle minutes to each design step, BUT it breaks the debugger as it pre-validates the ENTIRE data flow before it ever switches into debugging mode.
Some notes:
1. It doesn€™t matter what order the Lookup transforms occur in, the timings are exactly the same.
2. I tried many Data Flow execution optimizations, but they don€™t improve the validation times (or even get a chance to improve the execution times!)
I realize this may be somewhat of a unique problem.
Thanks for any help you are able to lend.
-Dave
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Sep 28, 2005
In my Script Component properties I have included "ClientReportGroupId" as a ReadWrite variable. This variable is declared as a Package Variable.
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Jul 10, 2006
I have a Data Flow Script Component(Destination Type) and in the properties I have a read/write variable called User::giRowCount
User::giRowCount is populated by a Row Count Component previously in the Data Flow.
After reading http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=97494&SiteID=1 it is very clear that you can actually only use variables in the PostExecute of a Data Flow Script Component or you will get an error
"Microsoft.SqlServer.Dts.Pipeline.ReadWriteVariablesNotAvailableException: The collection of variables locked for read and write access is not available outside of PostExecute."
What I need to do is actually create a file in the PreExecute and write the number of records = User::giRowCount as second line as part of the header, I also need to parse a read/write variable such as gsFilename to save me hardcoding the path
(Me.Variables.gsFilename.ToString),(Me.Variables.giRowCount.ToString)
-they must go in the PreExecute sub --workarounds please-here is the complete script component that creates a file with header, data and trailer --Is there any workaround
Thanks in advance Dave
Imports System
Imports System.Data
Imports System.Math
Imports System.IO
Imports System.Text
Imports System.Configuration
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
Imports Microsoft.SqlServer.Dts.Runtime.Wrapper
Public Class ScriptMain
Inherits UserComponent
'Dim fs As FileStream
Dim fileName As String = "F:FilePickUpMyfilename.csv"
'Dim fileName = (Me.Variables.gsFilename.ToString)
Dim myFile As FileInfo = New FileInfo(fileName)
Dim sw As StreamWriter = myFile.CreateText
Dim sbRecord As StringBuilder = New StringBuilder
Public Overrides Sub PreExecute()
sbRecord.Append("RECORD_START").Append(vbNewLine)
End Sub
Public Overrides Sub ParsedInput_ProcessInputRow(ByVal Row As ParsedInputBuffer)
sbRecord.Append(Row.ProjectID.ToString)
sbRecord.Append(Row.TransactionRefNum.ToString)
sbRecord.Append(Row.BillToCustomerNum.ToString)
sbRecord.Append(Row.BillToAccountNum.ToString)
sbRecord.Append(Row.BillToLineNum.ToString)
sbRecord.Append(Row.BillToReassignmentNum.ToString)
sbRecord.Append(Row.ChargeCode.ToString)
sbRecord.Append(Row.NotificationMethod.ToString)
sbRecord.Append(Row.AdjustmentAmount.ToString)
sbRecord.Append(Row.AdjustmentDate.ToString)
sbRecord.Append(Row.ReparationGivenFlag)
sbRecord.Append(Row.BillingSystemProcessingErrorCode.ToString).Append(vbNewLine)
End Sub
Public Overrides Sub PostExecute()
sbRecord.Append("RECORD_COUNT").Append((vbTab))
sbRecord.Append(Me.Variables.giRowCount.ToString).Append(vbNewLine)
sbRecord.Append("RECORD_END").Append(vbNewLine)
'Now write to file before next record extract
sw.Write(sbRecord.ToString)
'Clear contents of String Builder
sbRecord.Remove(0, sbRecord.Length)
'Close file
sw.Close()
End Sub
End Class
Has anyone got a workaround
thanks in advance
Dave
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Sep 25, 2015
I have created an event that contains a Data flow tasks with OLE DB source & Excel Destination.
This event is executed/triggered based on an execute SQL task failure in the control flow Sequence container.
However, when I execute the Data Flow task of the Event Handler, it runs successfully but fails when I execute the whole package.
I get the below error message:
[OLE DB Source [21]] Error: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. Â The AcquireConnection method call to the connection manager "TK463DW" failed with error code 0xC0202009. Â There may be error messages posted before this with more information on why the AcquireConnection method call failed.
I have tried setting the property 'DelayValidation' to 'True' on all the Control Flow and Data Flow tasks on the package and on the Event Handler, but still I could not fix this.Not sure What I am missing.Â
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Aug 29, 2007
Hi,
I have a multiple package solution that I've deployed using the manifest file produced with the development environment. If I need to make a change to a single package, how do I then deploy this package? Is it a case of rebuilding the entire solution and re-running the manifest file, or is there a simpler way?
Any help would be much appreciated, cheers.
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May 8, 2008
hi in my package, some sql operations need the special user name and admin privilage. so how do i create my ssis package so that when it executes it takes the given username and password from the table in some database.
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Feb 14, 2006
Hi, All,
I need to pass a parameter from control flow to data flow. The data flow will use this parameter to get data from a Oracle source.
I have an Execute SQL task in control flow to assign value to the Parameter, next step is a data flow which will need take a parameter in the SQL statement to query the Oracle source,
The SQL Looks like this:
select * from ccst_acctsys_account
where to_char(LAST_MODIFIED_DATE, 'YYYYMMDD') >?
THe problem is the OLE DB source Edit doesn€™t have anything for mapping parameter.
Thanks in Advance
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Oct 16, 2007
Help ... i'm lost
I have one custom dataflow component in assembly A with version 1.1.0.0 used in many packages.
The component is now in assembly A with version 1.2.0.0 but not changed.
There is aniway to have those packaged configured in order to automaticaly be upgrated to use the new version of the component?
I tried (in this order):
- set the property "UpdateObjects" to true on package (while version 1.1.0.0 was available in GAC) and saved package.
- unistalled the version 1.1.0.0 from GAC.
- tried to reopen package with "Reload and Upgrade" option.
NO SUCCESS
I know that can be an brute way to do it, meaning replace as text in xml ... but i try to find a solution not this stupid "workaround"
Many thanx for any suggestions!
Catalin
PS: Excuse my english.
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Nov 6, 2007
is there a way to avoid closing and reopening tabs in mgt studio when one task conflicts with another? For instance, I sometime look at a stored proc by scripting it as a create to a new query window. If I need to alter the db it is on, in a way that conflicts with a separate connection that is looking at a stored proc, I have to close the tab in which I was viewing the sp, run the alter, close that tab and then rescript the sp as a create in a new window.
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