5. How does the SAP ABAP OData service support the $filter operation

In the first four articles of this tutorial, we have used the transaction code SEGW to develop an OData service for book management, and successfully configured and deployed it to the ABAP system. You can use the following two links in SAP ABAPIn the Gateway Client, the metadata of the OData service and a hard-coded piece of book data are returned respectively.

• /sap/opu/odata/sap/ZBOOK_MANAGE_SRV/$metadata

• /sap/opu/odata/sap/ZBOOK_MANAGE_SRV/BookCollection

• 1. Create SAP OData project in SAP ABAP transaction code SEGW

• 2. Configure and test the OData service created by the transaction code SEGW in the SAP ABAP system

• 3. How to use the SAP ABAP OData service diagnostic tool/IWFND/ERROR_LOG

• 4. Implementation Guide for GET_ENTITYSET Method of SAP ABAP OData Service Data Provider Classp>

In this step, we will introduce how to implement the OData service