Session description:
In this session, we explore how to build custom CDS entities in ABAP RAP backed by a fully custom query implementation using the IF_RAP_QUERY_PROVIDER interface. We walk through how to programmatically handle incoming request parameters such as filtering, sorting, and paging (top/skip) within the SELECT method, and demonstrate how to define and resolve associations to enable $expand capabilities for OData consumers. By the end, attendees will know how to take full control over data retrieval in RAP while still adhering to the framework’s contract — ideal for scenarios involving legacy APIs, external data sources, or complex custom logic.
