Adding A New Data Column (not Derived) Midway Thru A Data Flow

Jan 5, 2006

I need to know what a table's max row Identity is part way thru a data flow. I can't get it at the beginning of the data flow. I need to either (1) add it to the data buffer part way thru or (2) set it into a package variable and then reference the var in a script component.

I've not found a way to add a database column to the data buffer without doing a lookup for each row (too slow and not appropriate here) or some goofy oledb source and then merge join into the data buffer on a contrived join.

I've read questions about referencing package vars in scripts but I can't get that to work. DTS.Variables("varname").Value isn't recognised when I code it up.

Anyone have an idea or solution for either one of these? If you're gonna explain the script code, please include the entire snipet including the INCLUDEs, etc.

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How To Assign User Variable Value To The Derived Column, In Data Flow Task

Dec 19, 2006

Hi:

In the derived column transformation editor, I have a Derived column name called FileGroupID. I would like to pass in a value for this column from a variable that I have set earlier in the scope. Can someone let me know, how to write the expression that does that and where do I specifiy that expression. I am thinking its the expression field in the derived column transformation editor. My main question is how to actually write the expression, what is the syntax to pull the variable value? Thanks.

MA2005

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SQL 2012 :: SSIS Data Flow Items Tab Missing For Adding Data Source / Destination

Apr 3, 2014

I need to see inside a SSIS 2012 project a new SSIS installed component, but in the SSDT 2010 I cannot see the SSIS Data Flow Items tab for adding data source/data destination respect to the choose toolbox items pane.

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Adding Decimal Value During Data Flow Task

Nov 19, 2006

Hi,

I have a flat file(pipe delimited), like below( only two rows shown)

1|001|B|C|002|A|003|

1|005|D|C|003|A|004|

I have to import column 2( that is 001), column 5 (that is 002), column 7(that is 003) from the above flat file to column in Database that has DataType Numeric DataTyp (4,3).

In the Database the columns shoule have values like(.001), (.002), (.007). I have used flat file source, Script component, and OleDbDesitnation in my DataFlow task.

In the script component, I have added a "." for each column as a string.

I cannot import to OldeDbDestination becuase of Data conversion issue.

Is there any way we can solve this..

Thank you.

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Adding The Data Flow Task Programmatically

Aug 1, 2007

Is it possible to add a Fuzzy Grouping Transformation in a Data flow task by Programmatically ? If it possible, what is the C# or VB .net code for that ?

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Adding Expression In Data Flow Task

Oct 9, 2006

Hi

I am trying to develop a data flow task in C#. I need to add an expression tab in the task where i can write expressions on the input columns and map it to outputs. Please let me know how to go about it. I am new to SSIS coding so dnt have much idea abt it.

Thanks in advance,

Vipul

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Adding A New Data Flow Item Calendar Transformer

Sep 25, 2007

http://www.microsoft.com/downloads/details.aspx?familyid=e603bde7-44bb-409a-890f-ed94a20b6710&displaylang=en#top

I've downloaded this and installed it but i seems to fail to get this item into my data flow items list. i've read the readme.txt but i think the part where they explain the build is poorly explained.
For example - Place gacutil.exe (packaged with Visual Studio) on the system path. --> wtf

Anyone can help me get this component in my visual studio working ?

Thanks

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Programmatically Adding A Script Component To Data Flow Task

Feb 2, 2007

Dear all,

I am developing tools for automatic creation of data warehouse tables, cubes and SSIS packages. Generating the SSIS Data Flows works very well using the SSIS components for OLE DB Source, Derived Column, Lookup and OLE DB Destination.

However for some of the advanced functionality I need to use Script Component. I have managed to add it in the Data Flow with all inputs and outputs, but how do I populate it with my code? I've seen there is a component property called "SourceCode" and one called "BinaryCode". The "SourceCode" contains the code, but also some extra metadata.

Questions:

Do you know if there is any programmatic support to generate the Source Code property with the metadata necessary?

Do you know how to compile the Source Code and generate the property BinaryCode?

Example from my code below:

// Create script component

IDTSComponentMetaData90 script = dataFlowTask.ComponentMetaDataCollection.New();

script.ComponentClassID = app.PipelineComponentInfos["Script Component"].CreationName;

CManagedComponentWrapper scriptWrapper = script.Instantiate();

script.InputCollection.New();

script.OutputCollection.New();

scriptWrapper.ProvideComponentProperties();

script.Name = "Logics";

// Create path

IDTSPath90 scriptPath = dataFlowTask.PathCollection.New();

scriptPath.AttachPathAndPropagateNotifications(lastComponent.OutputCollection[0], script.InputCollection[0]);

// Populate input and output columns

IDTSInput90 scriptInput = script.InputCollection[0];

IDTSVirtualInput90 scriptVInput = scriptInput.GetVirtualInput();

foreach (IDTSOutputColumn90 col in oledbSrc.OutputCollection[0].OutputColumnCollection)

{

scriptWrapper.SetUsageType(scriptInput.ID, scriptVInput, col.LineageID, DTSUsageType.UT_READONLY);

IDTSOutputColumn90 tmp = script.OutputCollection[0].OutputColumnCollection.New();

tmp.Name = col.Name;

tmp.SetDataTypeProperties(col.DataType, col.Length, col.Precision, col.Scale, col.CodePage);

}

// Make script asynchronous

script.OutputCollection[0].SynchronousInputID = 0;

Thanks for any assistance and Best Regards,

Johan Åhlén,
Business Intelligence consultant at IFS

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Data Problems With Derived Column

Feb 27, 2008

I am adding a new column with the derrived column data flow Transformation and am having a problem with it coming through as a deciaml format.
The destination column is set as "numeric(18, 9)" but no matter what i change the data type to in the transfomation editor it will only bring through the calculation as a whole number (IE it rounds the number up) The destination table shows the zero's after the "."

What do i need to do to get this coming through as a number with decimals

Heres the expression i am using
(PROG_CREDITS / (PROG_DURATION / 12)) / 120

Cheers

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Data Coversion Or Derived Column?

Apr 17, 2007

I have a numeric column with the following sample values in a source flat file:

240

6

48

310

55

I would like to dump them in a table (destination) as string with the length only 3 and in the following format "xxx" .

Data in the destination column will look like this after the transformation:

240

006

048

310

055

Thanks for your help!

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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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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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Data Conversion And Derived Column Issue

Jul 31, 2007

Hi all of you,

I think that I've done a big mess on my work... I've got plain file which must be loaded into a sql table. Up to there no problem, I use Derived Column due to columns needed be transformed with NULL, RIGHT, LEN, and so on...

But in this last package I've done half of work using Data Conversion but I've got five columns which would need be transformed but I don't know how can I do such thing. I can't connect a Derived Column from Flat File Source task, of course, it's already data conversion...

Let me know if you need further details.

Previously I think, silly idea, that it could be unified or better, that Data Conversion task allows me make transformations...

Thanks a lot for your ideas and thoughs,

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Derived Column Returning No Data On GetDate() Function

Aug 1, 2006

Hi all--I've got a derived column transformation where I am adding a field called Import_Date. I'm telling it to add as a new column and use the function "GetDate()" to populate the field. When I run the package, it returns NULL as the data value for all rows. Any idea why this might be happening?

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Integration Services :: Derived Column Expression - Manipulate Data

Jun 4, 2015

I have one column CandidatePlaced (Data type Boolean).

Using data conversion i changed data type to DT_WSTR and then i used derived column to manipulate the data. Ex. 1 = "Yes" and 0 = "No"

[Candidate Placed ?] == "1" ? "Yes" : "No"

But at end of result i got all the columns as No. Some should be Yes.

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Ho Do I Get The Details From A DTS Transform Data Task Into An SSIS Derived Column Transformation?

Mar 7, 2008

i have too many DTS packages to migrate to SSIS, and while examining a DTS package in BIDS (converted with the migration utility) i tried to edit the resulting migrated package, which opened the DTS interface with the two connection icons joined by the big fat arrow with a gear on it...not exactly what i had in mind, iow, it looks like SSIS on the outside, but its still DTS on the inside.
So I stripped out a series of components from a more complex package hoping that simplifying it would reveal the contents of old DTS Transformations tab at least partially set up in a Derived Column transformation.
Can i get there from here, or must i recreate every stinking definition in a derived column manually from the ground up?
thanks very much for your help

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Adding Implied Decimal Without A Derived Column From Flat File Datasource

Apr 18, 2007

We are importing Flat file data from our Mainframe system. We have a lot of money amounts coming in, but the mainframe does not store the decimals in the flat file. So for example a row in the file might look like this:

+0000007894-0000000563

Where the first value is $78.94 and the second value is -$5.63

Is there anyway to have the Flat file connection manager put in the decimal place for me, or do i have to create derived columns for each column and divide it by 100? There like 50-100 columns per file, so i'm looking for a better, quicker way.

Thanks in advance.

John

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REPLACE In Derived Column Transform Causing Repeat Data In Rows That Should Be Blank

Jul 25, 2006

W2k3 server, SQL 2005.
@@version = Microsoft SQL Server 2005 - 9.00.1399.06 (Intel X86)
Standard Edition on Windows NT 5.2
(Build 3790: Service Pack 1)

I have my first SSIS package almost working, but I'm having an odd problem and can't find any information to help resolve it.

I'm importing from a flat file (csv) to an existing table (append). I've got a Derived Column transformation in the middle to do some data cleanup. It's all working except for one little problem...

One of the transformations is 'REPLACE([Column 3],"^","; ")', output to a new column. (The input file has a field that uses carets as delimiters between an unknown number of items; I'm changing that to semicolons for easier reading.) Not all rows have data in this column, some will have one item, some will have multiple items.

The REPLACE works except that it fills in repeated data for all the blank rows.

Example:

Incoming data is:

1 Smith,Jane^Jones,Jane

2 Brown,John

3

4 Adams,James^Adams,Jim

5

6 White,Debra

Data inserted into the table is:

1 Smith,Jane; Jones,Jane

2 Brown,John

3 Brown,John

4 Adams,James; Adams,Jim

5 Adams,James; Adams,Jim

6 White,Debra

I've tried to use a Conditional to skip the empty rows, but I can't get that working at all (get syntax errors no matter what I put in).

Any suggestions on how to fix this would be most appreciated!

Thank you.

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One To Many Column Mapping In Data Flow Task

Sep 27, 2007

Hi,
Is there a way to accomplish one- many or many -one or many - many column mappings in the SSIS data flow task or using any other tasks. We were able to do this in DTS Transform data task. Also is it possible to edit the mapping like:
dest column1 = Right(dest column1, 3)

Thanks.

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Data Flow Transformation: Count And Sum The Column Value

Nov 8, 2007

Hi,

I have one data flow control. Source is SQL server and destination is flat file destination. I have one derived column placed in between these two. This functionality works fine. I would like to sum one column data and count total no. of columns and put it in global variable. How can I achieve it?

Thanks,

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How To Convert String Data Type To DateTime In Derived Column Control In SSIS Package

Jun 26, 2006

Hi ,

I am Using Derived column between Source and Destination Control. the Source input column PriceTime is String Data type. but in the Destination is should be a DATE TIME column. How to Convert this string to DateTime in the Derivied Column Control.

I already tried to in the Derived column control

PRICEDATETIME <add as new column> ((DT_DBTIMESTAMP)priceDateTime) database timestamp [DT_DBTIMESTAMP]

But still throwing Error showing type case probelm

Pls help me on this

Thanks & Regards

Jeyakumar.M

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Problem With NULLS In Data Flow Vs Identity Column

Dec 12, 2007

I'll preface this by saying I'm pretty new to SSIS; I'm coming over from Coldfusion and don't have much DTS experience to draw from either. That said....

I've got a package that I run to migrate data from a bunch of older databases into a "flat" new schema. The new schema is not identical to the old, in other words, so it's not a simple mapping of existing columns. All the data flow tasks have finally gotten to a working state, with much trial-and-error. Now, suddenly one of the tasks is throwing this error:
"...Cannot insert the value NULL into column 'the_id', table 'the_table'; column does not allow nulls. INSERT fails."

The column is an identity column in the new table; it is NOT NULL as it is the primary key. I've triple-checked that identity is on. Basically it's generated anew each time this package is run. In the data flow task, mappings are set to ignore for this column; also, Keep identity and Keep nulls are on (although since this column is not in the source I can't see how this affects anything.)

(***For anyone wondering why in the heck I'd need this column at all, offhand I can't recall if later tasks use it or not...I'm actually wondering if it's even needed in this read-only table if it's not used as a foreign key somewhere else...however, I'd like to figure out this issue regardless... )

I've had a hard time finding anyone with the same problem out there...usually people with NULL issues simply are trying to insert into a NOT NULL column. The big difference here is that the column is identity.

Thanks,
Rick

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How To Programmatically Set Column Mappings Of A Simple Data Flow Task?

Sep 4, 2007

Has anyone done this? I can't find anything in the documentation
that describes this. The closest I get is to the InnerObject property
of the TaskHost class. There is an example of programming a bulk
insert task. But I can't find anything on programmatically setting
the column mappings (source to dest) of a simple data flow task. Any
help is appreciated!

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Custom Data Flow Component Column Mapping Question

Feb 7, 2007

Hi,

I'm having my first go at developing a destination adapter which will send data to an update Web Service.

I've got some rather big gaps in my understanding. I've been following the various samples I've found on the net and have validated my mapping and picked up all the available column names and datatypes which are appearing in the Input and Output Properties tab of the Advanced Editor but I only have a tab for "Input Columns" and not "Column Mappings".

Which method defines the availble columns for the user to map?

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

cheers

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Adding A Data Column To An Existing Report!?!? Need Help...

Mar 13, 2008

Is it possible to add new data to an existing report. I already updated the SQL query, but the new data does not appear within the report. How can I modify the rows, columns and data fields???

Thanks in advance!

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Integration Services :: How To Declare Multiple Derived Column In SSIS Derived Column Task

Jul 22, 2015

how to declare multiple derived columns in SSIS Derived Column Task in one attempt.as i have around 150 columns coming from Flat file. I had created the required Expression in Excel and now i want add those in derived column task but its allowing only 1 expression at a time.

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Data Warehousing :: Adding A New Column From Table To View

Nov 2, 2015

I have a SQL VIEW with col1, col2, col3. I need to add a new column to the view col4 coming from a TABLE in SQL Server.

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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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Excel Destination Data Flow Component Shows No Sheet Name Or Output Column Names For Mappings

Mar 8, 2008

I have a data flow that consists of

OLE DB source which calls a stored proc that returns a result set

data conversion

Excel destination
I am in design mode in Business Intelligence studio. My excel destination (with an Excel Connection) shows no sheet name though I have an execute SQL task before the data flow to create the excel table called SHEET1. Needless to say, there are no output columns visible to do any mappings. I did go to the ExcelConnection to set the OpenRowset Property to SHEET1 but it seems to have no effect.

I can do the export in SQL Server Management studio and that works fine, but it is basic and does not meet my requirements. I have to customize the package to allow dynamic Excel filenames based on account names and have to split my result set into multiple excel sheets because excel 2003 has a max of 65536 rows per sheet. Also when I use the export wizard, I have the source as a table and eventually the source has to be a stored proc with input parms.

What am I missing or doing wrong? Thanks in advance

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Adding Static Column Of Data From Properties File To DB Import

Sep 4, 2007

Hey all-

I put togehter a package that opens a flat file, parses the data based on the semi-colon delimeter, and imports the rows into a database table. Thats the fun easy part.

What I cant figure out is how to add a variable that will hold a constant ID value that will be persisted with the same value to all rows inserted to the DB. Making the problem harder, I would like that this value be defined in a properties file or database table of some sort so that I can do a lookup based on the file name / location to find out what value should be used.

Any suggestions? I hope my explanation makes at least some sense - but basically I want to do a look up in a configuration of some sort, pull out a single value, and add it to a data import.

let the fun begin!!

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SQL Server 2008 :: Capture Database / Server Name In A Derived Column To Identify Source Of Data?

Feb 1, 2012

I am task with identifying the source database name, id, and server name for each staging table that I create. I need to add this to a derived column on all staging tables created from merging same tables on different servers together.

When doing a Merge Join, there is no way to identify the source of data so I would like to see if data came from one database more than the other servers or if their are duplicates across servers.

The thing that bugs me about SSIS Data Flow task is there is no way to do an easy Execute SQL Task after I select my ADO.NET Source to get this information because my connection string is dynamic and there is no way of know which data source is being picked up at runtime.

For Example I have Products table on Server 1 and 2:

Server 2 has more Products and would like to join the two together to create a staging table.

I want see the following:

Product ID, Product Name, Qty, Src_DB_ID, Src_DB_Name, Src_Server_Name
1 IPAD 1000 2, MyDB1, Server1
100 ASUS Pad 40 1, YourDB, Server2

get database name and server name in DATA FLOW only (without using a for each in Control Flow)

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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 doesn��t 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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