Opening A Data Flow Tasks Forces A VSS Check Out

Mar 9, 2007

Hey all, is there any explanation why just opening a data flow task causes a VSS check out?

The issue with this is that I have multiple developers, and when one wants to look at a data flow task in a package already checked out, it generates multiple VS errors.

Not big on the priority list, (not as big as the modal dialog issue) but still a pain.



Thanks!

BobP

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Handle Tasks In Control Flow Tab From Data Flow Tab

Jan 17, 2008

Dear All!
My package has a Data Flow Task. In Data Flow Task, I use a Script Component and a OLE BD Destination to transform data from txt file to database.
Within Data Flow Task, I want to call File System Task to move file to a folder or any Task of "Control Flow" Tab. So, Does SSIS support this task? Please show me if any
Thanks

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BIDS Crashes After Opening A Data Flow

Mar 11, 2008



I have a package with numerous data flows in it. (I know - this is not recommended as a best practice.) Anyway, one of the Data Flows just started giving me some trouble. When I opened that particular Data Flow, then BIDS would crash. I tried loading the project again, and opening that Data Flow task, and it just kept crashing. I rebooted - same deal.

The Data Flow was itself very simple. There was an OLE DB Source, and OLE DB Destination, a conditional split, a derived column, a data conversion and a Lookup. Pretty routine stuff. Out of the blue really, and long after I created it - it just starting crashing BIDS when I opened it.

My solution was to copy the Data Flow control flow component and paste it back into the same package. This worked perfectly fine, and didn't see any issues after. So, apparently something in the meta data became corrupt, and caused it to crash.

Anyway, just curious if others have seen this behavior, but also wanted to post this as a solution in case someone else has the same problem.

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Cannot Load Data Flow Tasks

Aug 3, 2007

When I copy over an SSIS package I have been developing from my laptop to my desktop with Windows File Sharing (shared folders) across a home network, the moved package fails to load properly. I can see the Control Flow tasks but not the Data Flow tasks - they simply disappear! I have update the Connection Managers to point to the new machine, and tested them (OK).

Its the same as this issue posted here


And Here


Creating an empty package and clicking to create a new data flow cause this error:

TITLE: Microsoft Visual Studio
------------------------------

Failed to create the task.

------------------------------
ADDITIONAL INFORMATION:

The designer could not be initialized. Microsoft.DataTransformationServices.Design)



Seems the only way is to uninstall and reinstall Client Components.

How do I uninstall and reinstall Client Components? when I try to do that, SQL Server Setup tells me "None of the selected features can be installed or upgraded. Setup cannot procees since there is no effective change being made to the machine...."

I had selected "Workstation components, Books online and Development tools". This is already installed - so how I can reinstall it if I get this message above which does not let me proceed.


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Re : Enabling / Disabling Data Flow Tasks

Apr 17, 2006

Hello,



I have created around 10 seperate packages for our application data load. Now I am planning to create a master package (or a wrapper package) which will execute all the 10 packages (thru execute package task). Then I have a job which executes the master package at a given date and time.

Question : How can I enable / disable execution of each package within the master package depending upon a flag variable. The reason why I need this mechanism is if the flag = 0 then I don't want all 10 packages within master package to execute and if flag = 1 then master package execution should begin and subsequently execute all packages within that master package.





Thank you

Jatin Shah

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Maximum Data Flow Tasks Execution

Sep 10, 2006

Hi guys,

i got a foreach loop that has about 20 data flow tasks(same database connections but different extractions) but i notice that when i execute the project it only runs 4 data flow tasks at a time.



i know that there is an option for each data flow to set the "Engine Threads", but is there a way to set the thereads in a foreach loop or for the whole project so it will execute all data flow tasks in one go for each loop.



please help???

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Asynchronous Data Flow Tasks How To Run More Than 4 At A Time

Sep 25, 2006

Hi guys,

i have a for each loop and it has about 20 data flow tasks (simple data extractions). i notice when i run the package it only runs up to 4 data flow tasks at a time. others have to wait till one of the first 4 flows finishes.

i was wondering if there's a way to change the limit of how many data flow tasks can run at a time. is there a property some where ?

i know this will be stressfull to the server, but the server is well equiped with CPU power and memory, so performance will not be an issue.

any thoughts?

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Multiple Data Flow Tasks In One SSIS Package

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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Creating A Parameter File For The Data Flow Tasks ??? VerY Urgent

Jan 2, 2008



Hi,

I need to parameterize some values in the data flow so that i can chnage the values directly in parameter file and re run the data flow for new value in the passed in the parameter. This can be easy for other who do not know about the flow of data flow task as to where to change the variable/parameter.

How can this be accomplished. I want the data flow task to refer to this file before it starts executing and pick the appropriate value from the file.

Or is their any better way to accompalish what i want to do here in SSIS.???

tHNAKS FOR UR HELP FOLKS !!!

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SSIS Package Hangs In Data Flow, Magically Works After Opening And Closing Components

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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Integration Services :: Using Sensitive Project Parameters In Data Flow Tasks

Feb 11, 2014

I have a requirement to read an encrypted file as a data source. I am not allowed to save an unencrypted text file version on disc  at any time for any length of time, therefore I created a custom source component that reads an encrypted csv file, decrypts it, and then passes each row of data to the pipeline and ultimately to an ole data destination. Basically it is just a text file reader with an added class that adds functionality that decrypts the file before the component sets columns or reads rows. 

The custom component, “Encrypted File Source”, has a custom property “encryptionkey” with the encryption required flag set to true (code below) and is declared as eligible to be set in the expressions.

IDTSCustomProperty100 EncryptionKey = ComponentMetaData.CustomPropertyCollection.New();
            EncryptionKey.Name =
"EncryptionKey";
            EncryptionKey.Description =
"Secure String key value to decrypt the file";
            EncryptionKey.Value =
string.Empty;
            EncryptionKey.ExpressionType =
DTSCustomPropertyExpressionType.CPET_NOTIFY;
            EncryptionKey.EncryptionRequired =
true;

I want to be able to set the password for the encrypted file in the SQL Agent job that executes the SSIS project. This means I have an environment with a variable, “DataPassword”, that is set to sensitive.  It maps to a Project parameter in the SQL Agent job that is also set to sensitive.  And I now I want to access that sensitive Project Password inside my data flow, specifically in the Encrypted File source task that I created and set my EncryptionKey to that Project Parameter. 

The problem is that SSIS says. 

"expression cannot be evaluated.  ... The Expression will not be evaluated because it contains sensitive parameter value "$Project::DataFilePassord" . Verify that the expression is used properly and that it portects sensitive information"
((Microsoft.DataTransformationsServices.Controls) "<v:shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75"
path="m@4@5l@4@11@9@11@9@5xe" stroked="f">

[Code] ....

I am using SQL Server 2012, on a windows 7 box with VS2010 premium.

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Programmatically Iterating Tasks/components In The Data Flow Portion Of A Package.

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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Pass Data Between Two Data Flow Tasks

Jul 16, 2007

Hi Guys,



I have yet another question. How can i pass data b/w 2 data flow tasks? I'm trying to get some data from one sql server and then I want to pass this whole bunch of data to another data flow task which is going to get some data from second sql server. I would probably combine them using union all and then save that as a transaction in a third sql server?

Information regarding how to pass the data with some detailed discussion would be fine with me.



thanks

Gemma

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Integration Services :: Multiple Data Flow Tasks Within Foreach Loop Container

Nov 3, 2015

Suppose if I have a “Foreach Loop Container” that iterates over a list. Is it possible to execute different data flow tasks based on the input?

Example : List contains elements L1, L2 & L3.

ForEach Loop Container checks the input. If its L1 then it should execute DF Task1, If L2 then execute

DF Task2 and similarly for L3.

Is it possible to achieve this?

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How To Retrieve Connections Collection Inside Custom Data Flow Tasks (source/destination)

May 16, 2008

Hi,

How do I retrieve the connections (connection managers) collections from Custom Data Flow destination? ComponentMetadata.RuntimeConnectionCollection is empty. I would like to be able to access all the connections defined in the package from the custom data flow task.


I came across code in which it was possible to access the Connections collection using the IDtsConnectionService for custom task (destination). The custom task has access to serviceProvider, whcih can be used to get access to the IDtsConnectionService interface but not the custom data flow task.


Any help appreciated.


Thanks

Naveen

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Integration Services :: Execute Several Data-flow Tasks In Parallel And Write To Single Excel File?

Jul 2, 2015

Is it possible to do? I'm getting lock violations in I try to execute several tasks in parallel.

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Data Flow Task Empty After Check In

Dec 5, 2006

On my office PC I have a strange problem with Data Flow Tasks. When I check-in a package into Source Control (Team Foundation) I usually have some empty Data Flow Tasks in the packages...even if I haven't changed that Flow Task.

This is really frustrating cause when running the package all goes well, but after a whil you notice that some tables are empty.

Does anyone know what the problem is?

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How Can I Check Variables Comes From Data Flow In Predence Constraints And Conditional Transformation?

May 1, 2008



Hi,

I have Variable , data source and conditional transformation which checks the count(*) if the count == 0 then I connect an script component and change variable to false(initial it is True) and write into a log file...

Then I check that variable on predence constarint at workflow if variable==True then success. BUT
Whenever I run the package my dataflow gets green even the condition does not meet like count==0 . So
my variable's value is "False". Actually if the condition doesnt meet then my script shouldnt work.
Am I missing something???

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Integration Services :: Check Table For Existing Record Before Data Flow Task

Jun 1, 2015

Using SSIS 2012 (within Visual Studio) on Windows 7.

Before allowing my Data Flow task to fire, I'd like to check the target table (OLE DB Destination) for a specific date value in a specific field. I've seen how the Lookup Task is commonly used to check for dupes before inserting, but I'm not able to use that method because the data value I want to search the table for is contained in a Global Variable (let's say "MyVariableDate"). 

Is there any way to check for any records in a target table where Date1 = MyVariableDate (i.e. scanning the entire table for any occurrence of MyVariableDate in the Date1 field)?

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Integration Services :: How To Achieve Check Point Like Functionality In Data Flow Task Itself In SSIS

Jun 4, 2015

I have huge data and i am loading data from EXCEL to database table, after loading 80 percent data i am getting some error. My package got failed and it has lots of transformation and took around 6 hours to process completely because of that i don't want it to reload from start. if i run it again it should start from next record from where i got the error.

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How To Use Same Variable Between The Control Flow Tasks In SSIS 2005?

Apr 16, 2007

I want to get the start time of data load and end time after data load and store it in a table which has mapping_id , mapping_name,start_time,end_time.

i use ActiveXScript task to get the start time before data load and store the mapping_id in a global variable,then data flow transformation occurs.

i want to use a global variable to store the mapping id ,so that i can update the end time after data load with that variable.how to do this?

is there any other way, i can get the start and end time of data load (other than the logging information)?

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About Programmatically Disabling The Tasks, Manually Terminating Further Flow In A Package

Apr 19, 2007

Hi folks,

I have come across a situation where there 10 tasks. The second task on the flow is a script task which disables all further tasks based on a condition. I thought that the logic would be better if we force terminate the package successfully at this stage itself. How can this be done.



Thanks

Subhash Subramanyam

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Reuse Existing Data Flow Components In A Custom Data Flow Component

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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Integration Services :: Opening A Rowset For Failed - Check That Object Exists In Database

Mar 14, 2014

I have a SSIS package where im importing data from MS access database file .MDB. I chose Microsoft JET 4.0 OLEDB provider. When i select a table and preview the data, im getting the below error.

Error at Data Flow Task [OLE DB Source [1]]: SSIS Error Code DTS_E_OLEDBERROR.  An OLE DB error has occurred. Error code: 0x80040E09.

Error at Data Flow Task [OLE DB Source [1]]: Opening a rowset for "_tblDateDateEarnedMismatch" failed. Check that the object exists in the database.

But it is working for the other tables .

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How To Pass Parameter Froon Control Flow To Data Flow

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 doesnt have anything for mapping parameter.

Thanks in Advance





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HELP: How Do I Pass Variables From Control Flow To Data Flow

Mar 9, 2007

I have an Execute SQL Task that returns a Full Rowset from a SQL Server table and assigns it to a variable objRecs. I connect that to a foreach container with an ADO enumerator using objRecs variable and Rows in first table mode. I defined variables and mapped them to the columns.

I tested this by placing a Script task inside the foreach container and displaying the variables in a messagebox.

Now, for each row, I want to write a record to an MS Access table and then update a column back in the original SQL Server table where I retreived data in the Execute SQL task (i have the primary key). If I drop a Data Flow Task inside my foreach container, how do I pass the variables as input to an OLE DB Destination on the Data Flow?

Also, how would I update the original source table where source.id = objRects.id?

Thank you for your assistance. I have spent the day trying to figure this out (and thought it would be simple), but I am just not getting SSIS. Sorry if this has been covered.

Thanks,

Steve

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SSIS Variables Between Data Flow And Control Flow... How To????

May 17, 2007

Hi everyone,

Primary platform is 64 bit cluster.

How to move information allocated in SSIS variables from Data Flow to Control Flow layers??

We've got a SSIS package which load a value into a variable inside a Data Flow. Going back to Control Flow how could we retrive that value again????

Thanks in advance and regards,

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Is There A Way To Set A Variable In A Data Flow From A SQL Statement (like In Control Flow)

Jan 12, 2006

I'm currently setting variables at the package level with an ExecuteSQL task.  This works fine.  However, I'm now starting to think about restartability midway through a package.  It would be nice to have the variable(s) needed in a data flow set within the data flow so that I only have to restart that task. 

Is there a way to do that using an SQL statement as the source of the value in a data flow? 

OR, when using checkpoints will it save variable settings so that they are available when the package is restarted?  This would make my issue a moot point.

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Please Advise: Big Control Flow Or Big Data Flow

Jul 22, 2007

Hi all! I recently started working with SSIS and one of the things that is puzzling me the most is what's the best way to go:



A small control flow, with large data flow tasks
A control flow with more, but smaller, data flow tasksAny help will be greatly appreciated.
Thanks,
Ricardo

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Lookup Task Data Flow Transformation Causes Data Flow Task To Hang?

Dec 28, 2007

Hi,
I'm trying to implement an incremental data pull (Oracle to SQL) based on Andy's blog:
http://sqlblog.com/blogs/andy_leonard/archive/2007/07/09/ssis-design-pattern-incremental-loads.aspx

My development machine is decent: 1.86 GHz, Intel core 2 CPU, 3 GB of RAM.
However it seems the data flow task gets hung whenever I test the package against the ~6 million row source, as can be seen from these screenshots. I have no memory limitations on the lookup transformation. After the rows have been cached nothing happens. Memory for the dtsdebug process hovers around 1.8 GB and it uses 1-6 percent of CPU resources continuously. I am not using fast load to insert new records into my sql target table. (I am right clicking Sequence Container 3 and executing this container NOT the entire package in the screenshots)

http://i248.photobucket.com/albums/gg168/boston_sql92/1.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/2.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/3.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/4.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/5.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/6.jpg


The same package works fine against a similar test table with 150k rows.
http://i248.photobucket.com/albums/gg168/boston_sql92/7.jpg
http://i248.photobucket.com/albums/gg168/boston_sql92/8.jpg

The weird thing is it only takes 24 minutes for a full refresh of the entire source table from Oracle to the SQL target table.
Any hints,advice would be appreciated.

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SQL 2012 :: Cluster Install Forces Full Text Installation

Sep 14, 2015

We're having a bizarre issue with installing our SQL 2012 cluster. On the stand-alone instances, we're able to choose Replication and Data Quality Services from the Database Engine Services without choosing Full-Tex and Semantic Extractions for Search. But when installing the cluster, it won't let us choose the other two without it. In fact, if we click on either Replication or Data Quality, it auto-checks ALL of the features.

My coworker discovered this problem and I was able to replicate it. We're using the SP1 install msi.

Why this is happening with a cluster install but not a stand-alone install?

My install appears to be hanging at the as_cluster_ip_address_cluster_config_Cpu64 part and I'm wondering if it's because it's trying to install Full Text.

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May 20, 2015

I have multiple ODBC connection and how to check all connection automatically during routine check by using batch file.

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Sampling Data Set Via Integration Services Data Flow For Data Mining Models Without Saving Training And Test Data Set?

Nov 24, 2006

Hi, all here,

Thank you very much for your kind attention.

I am wondering if it is possible to use SSIS to sample data set to training set and test set directly to my data mining models without saving them somewhere as occupying too much space? Really need guidance for that.

Thank you very much in advance for any help.

With best regards,

Yours sincerely,

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