Reject columns which exceed a particular length during OWB flat file import

Hi,
I have a file in csv format. This file has a lot of columns out of which i need to use only a few. I created a file in OWB using the given csv file using the file import wizard. I am using this file to create an external table.
The import is working fine, But the problem is that certain columns (which are not required to be processed) have very huge data. This is leading to rejection of certain rows (when i deploy the external table) which have valid data for the required columns, but too huge data was columns which i do not need.
But these rows must not be rejected.
I wanted to know if there any way by which we can truncate/ insert null in these unwanted columns (either during flat file import / or during creation of external table), so that the row is taken in partially(with the wanted columns)?
Thanks a lot!
NS

Hi Julie,
As Jim posted, you could try a RAW file instead of a CSV file. In SSIS, the Raw File destination writes raw data to a file. Because the format of the data is native to the destination, the data requires no translation and little parsing. So does the Raw
File source. Besides, the Raw File destination/source can improve the package performance because they write data more quickly than other destinations such as the Flat File, the OLE DB, and Recordset destinations.
References:
http://www.katieandemil.com/ssis-raw-file-source-example-ssis-2012
http://www.jasonstrate.com/2011/01/31-days-of-ssis-raw-files-are-awesome-131/
Regards,
Mike Yin
TechNet Community Support

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