Delta  enabled  generic data source not generating delta

Hi Experts,
I am simply clueless bt where I went wrong.Please have a look and explain.
I first created a z table in r\3 with one field as timestamp.
Then I created a delta enabled datasource for this table, in the delta enabled field I selected Timestamp.
Safety interval left blank.
Delta was chosen as "ADDITIVE DELTA".
After that I saved my data source and replicated the same in BI server.
Then I created an Infopackage to initialize the delta and then one more infopackege was created as delta .
Initialization was successfull.
Now I triggered the delta infopackage to bring delta to PSA
BUT
it does not bring the delta ,rather each time it brings in ALL records to PSA . This is the problem m facing .
PLEASE EXPLAIN ME IF YOU CAUGHT ANY MISTAKE IN THE ABOVE FOLLOWED STEPS.
waiting for reply
Manish Sharma

Hi Teja,
Thanks for your reply, I checked the same .
The initstate field has the value 'X'.
I checked in RSA3 but upon test extraction it says 0 records selected.
Pls investigate more on this.
Manish

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