Problem with Merge in database adapter

Question

Hi Everyone,
For my Bpel process I have the following:
1) File adapter
2) Receive activity
3) Transforms activity
4) Invoke activity
5) Database adapter
My Bpel process is working fine, no errors. It pick up the file ---> sends it to receive --> then transform the records --> then Invoke sends it to DB adapter to presist the records.
For the setting of my DB adapter, to preform an operation on my table I chose Insert or update option.
when running the same process multipul times my records in the table get duplicated. I dont understand why that is happening since I chose insert or update option in the DB adapter ??
How can I make my DB adapter overwrites the same records in the database if my file adapter picked up the same file that contains the same records ??
Thanks in Advanced,
AJ

Answer 1

Are you talking of a one off exercise, or is this something you want to happen every time a file is received.
Yes, what I mean if you want this as an on going step in your process then you would need to modify your existing process to add a new DB partnerlink that deletes the records. You could create a stored procedure that does both insert and delete if you only want one DB call though. This would replace your existing Db partner link that does the inserts.
cheers
James