HCI - Not overwrite one attribute

Hi all,

Using HCI, I want to update most attributes from my Master Data on a monthly basis.

But for some other attributes of the same Master Data, I want to keep the values stored in IBP.

For example, in Master Data Product, I don't want to overwrite the attribute ABC classification (which was previously calculated by the IBP operator).

My first idea was to not map this attribute in my integration flow with an insert_update job but, even so, the values are overwritten with a Null.

The only option I can see is :

1) Export IBP Master Data into a flat file

2) Run my insert_update job using my flat file in a lookup to map this particular attribute.

Would anyone have a better idea how to do this?

Thanks and regards,

Pierre