Core Data Services – Standard Utilities / Reports

Introduction:

CDS Views can be created and viewed only from ABAP Development Tools (ADT) .The objective of this blog is to list down some standard utilities related to CDS Views which would allow us to gain information on these views from SAP GUI.

These reports will be useful for users who are not having access to ADT tools or not able to access the system from ADT due to missing authorization.

Expose CDS Views as OData Service

In continuation to previous blog Core Data Services in ABAP in this blog I will show how to create CDS Views and step by step procedure to generate OData service using CDS Views.

There are 3 different ways you can expose CDS views as OData service:

1. Import DDIC structure using SEGW Netweaver Gateway service builder transaction.
2. Reference Data Source using SEGW Netweaver Gateway service builder transaction.
3. Using Generic Annotations. (@Odata.publish:true) 

First way is supported from SAP ABAP NW 7.40 SP5, Second and third ways are supported from SAP ABAP NW 7.50 and above. For first two ways SAP NW Gateway is used and for third type without use of SAP NW Gateway odata services can be created using annotations. Gateway is used only to add the service created using annotations.

In this blog I am going to show type one i.e how to generate OData service using import DDIC structure using SEGW service builder transaction.

Core Data Services in ABAP

Core Data services (CDS) are domain specific languages (DSL) and services for defining and consuming semantically rich data models in SAP HANA. They are integral part of SAP HANA, and can be leveraged in the ABAP stack.

Core Data Services are enhanced “view entities” in ABAP provides several advantages:.