Aspect Service Definition Service Binding (Implementation) Purpose Lists which entities to expose Specifies how and in what format to expose File Type .srvcds .srvsbnd Output Logical definition Concrete, runnable OData service Required For Access? Not enough alone Needed to access via browser/API/UI Draft Support Not defined here Chosen in binding options
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ABAP Old vs New Syntax Cheat Sheet Assigning Value to a Variable *--Old Syntax DATA var1 TYPE char5. var1 = 'ABC'. *--New Syntax DATA(var1) = 'ABC'. 2. SELECT SINGLE INTO Work Area *--Old Syntax DATA wa TYPE ... SELECT SINGLE fld1 ...
Memory id is a place holder or memory location which stores the data. We need to specify the name of the memory location in a way to access it. In code below, the memory location is CID where the value of c ...
An interface in ABAP defines a contract that any implementing class must follow. It contains only declarations of: Methods (without implementation) Constants Types Attributes Interfaces do not contain implementation. Any class that implements an interface must provide the logic for all its methods. Feature Description No implementation Only method ...
AMDP (ABAP Managed Database Procedures) in CDS (Core Data Services) in SAP refers to a way to integrate native SQLScript (e.g., HANA procedures) directly within ABAP classes. It’s not a part of CDS views themselves, but is often used alongside ...
RAP is structured in 3 layers: 1. Data Modeling & Definition Layer Component Purpose CDS Data Model Defines entities and relationships (tables, views) CDS View Entities Provides the foundation for business objects Associations Represent relationships between entities Annotations Define metadata (UI, OData, behavior, etc.) 2. Business Service Provisioning Layer Component Purpose Behavior Definition (.behavior) Defines ...
AT SELECTION-SCREEN OUTPUT Purpose:This event is triggered before the selection screen is displayed to the user. Use Case:To modify the selection screen dynamically — for example, to hide/show fields, enable/disable them, or set default values based on conditions.
While ABAP classes can’t inherit from multiple classes, they can implement multiple interfaces, achieving interface-based multiple inheritance. INTERFACE if1. METHODS: method1. ENDINTERFACE. INTERFACE if2. METHODS: method2. ENDINTERFACE. CLASS my_class DEFINITION. PUBLIC SECTION. INTERFACES: if1, if2. ENDCLASS. CLASS my_class IMPLEMENTATION. METHOD if1~method1. WRITE: 'Method1 from IF1'. ENDMETHOD. METHOD if2~method2. WRITE: 'Method2 from IF2'. ENDMETHOD. ENDCLASS.