Tuesday, June 7, 2011

Dynamically Changing Flatfile Name

How to change Target file name with session run time


If your Infa is 8.x later ver.. then you can go ahead as Swetha suggested..
> Add 'FileName' port to your target definition as a new port.
> and set  the Date Format setting for that Port in Properties..
> You can Derive one o/p port in Exp-tr with correct datatype and precision
> O_FileName :  'Tgt_File_'||TO_CHAR(SESSSTARTTIME,'DD/MM/YYYY HH24:MI')||'.csv'
Here Instead of using  'Sysdate' better to use SESSSTARTTIME .

Another way is....

> In the Workflow create a Workflow variable $$Se_End_Time
> In the Data Flow.. create Session task and Assignment Task .. and connect them
> In the assignment task / Expressions /
$$Se_End_Time   =  TO_CHAR($Session_Name.EndTime,'DD-MM-YYYY')

> Create a Parameter file
[Folder_Name.WF:wkf_Name.ST:session_Name]
$FileName=Tgt_File_
$DatePart=$$Se_End_Time


In the above file ..
> $$Se_End_Time is the Workflow variable....

In the Session Properties...
> Output FileName :  $FileName$DatePart .csv
> and set the parameter file path ...


-- Ram

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