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2323882 - delta of Generic Datasoure ALE-delta for ODP doesn't work

Symptom

Generic datasource is created based on a certain table, and set delta as ALE change pointers.

It is automatically released for ODP according to SAP Note 2232584.

After activation and delta initialization(subscription by ODP API), message type is genereated correctly, and when change happens to the change object, change pointer could be written into table BDCP2 correctly as expected.

However, the next delta would not work,

1) it could probably fetch all the data, including the initial data, together with the newlly change data.

or 

2) issues error such as

"Error with extractor call RSA3_GEN_GET_DATA"

"An exception with the type CX_SY_DYNAMIC_OSQL_SEMANTICS occurred, but was neither handled locally, nor declared in a RAISING.."


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Environment

Source system for BW

Product

SAP NetWeaver 7.4 ; SAP NetWeaver 7.5

Keywords

KBA , BC-BW-ODP , Operational Data Provisioning (ODP) and Delta Queue (ODQ) , Problem

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