/sap-abap

SAP ABAP Development Skill

Comprehensive ABAP development skill for SAP systems covering classic ABAP and modern ABAP Cloud development patterns.

Capability Index

Skill Overview

This skill provides extensive knowledge for ABAP development including:

• Internal Tables: Standard, sorted, hashed tables; keys; operations; LOOP, READ, MODIFY
• ABAP SQL: SELECT, INSERT, UPDATE, DELETE, JOINs, CTEs, hierarchies, aggregate functions
• Object-Oriented ABAP: Classes, interfaces, inheritance, polymorphism, design patterns
• Constructor Expressions: VALUE, NEW, CONV, CORRESPONDING, COND, SWITCH, REDUCE, FILTER
• Dynamic Programming: Field symbols, data references, RTTI, RTTC
• String Processing: String functions, templates, FIND, REPLACE, regex
• RAP (RESTful Application Programming Model): EML statements, BDEF, handler methods
• CDS View Entities: Annotations, associations, expressions
• ABAP Unit Testing: Test classes, assertions, test doubles
• Exception Handling: TRY-CATCH, exception classes, messages
• ABAP Cloud Development: Released APIs, restrictions, migration patterns
• Authorization: AUTHORITY-CHECK, CDS access control, DCL
• ABAP Dictionary: Data elements, domains, structures, table types
• Generative AI: ABAP AI SDK, LLM integration

Auto-Trigger Keywords

This skill activates when discussing:

ABAP Language

• ABAP, ABAP code, ABAP program, ABAP class, ABAP method
• DATA, TYPES, CONSTANTS, FIELD-SYMBOLS
• IF, CASE, LOOP, DO, WHILE, ENDLOOP, ENDIF
• SELECT, INSERT, UPDATE, DELETE, MODIFY
• TRY, CATCH, RAISE EXCEPTION, CLEANUP
• CLASS, INTERFACE, METHOD, ENDCLASS

Internal Tables

• internal table, itab, TABLE OF, STANDARD TABLE, SORTED TABLE, HASHED TABLE
• APPEND, INSERT, READ TABLE, MODIFY TABLE, DELETE
• LOOP AT, FIELD-SYMBOL, ASSIGNING, INTO
• table key, secondary key, WITH KEY
• FOR, REDUCE, FILTER
• GROUP BY, GROUP SIZE, WITHOUT MEMBERS

Constructor Expressions

• VALUE, NEW, CONV, CORRESPONDING, CAST, REF
• COND, SWITCH, EXACT
• REDUCE, FILTER, FOR
• constructor expression, inline declaration
• OPTIONAL, DEFAULT, BASE

Object Orientation

• ABAP OO, class definition, class implementation
• inheritance, INHERITING FROM, REDEFINITION
• interface, INTERFACES, ALIASES
• CREATE OBJECT, instantiation, factory method
• PUBLIC SECTION, PRIVATE SECTION, PROTECTED SECTION
• event, RAISE EVENT, SET HANDLER
• factory pattern, singleton, strategy pattern

RAP and Modern ABAP

• RAP, RESTful Application Programming Model
• EML, Entity Manipulation Language
• MODIFY ENTITIES, READ ENTITIES, COMMIT ENTITIES
• BDEF, behavior definition, handler method, saver method
• managed, unmanaged, draft
• %cid, %control, %tky, mapped, failed, reported
• global authorization, instance authorization

CDS Views

• CDS, Core Data Services, CDS view entity
• define view entity, association, composition
• annotation, @UI, @Semantics
• input parameter, $session
• DCL, access control, define role

ABAP SQL

• ABAP SQL, SELECT, FROM, WHERE, INTO TABLE
• INNER JOIN, LEFT OUTER JOIN, RIGHT OUTER JOIN
• GROUP BY, HAVING, ORDER BY
• aggregate function, COUNT, SUM, AVG, MIN, MAX
• FOR ALL ENTRIES, subquery, CTE
• HIERARCHY, HIERARCHY_DESCENDANTS, HIERARCHY_ANCESTORS

Dynamic Programming

• field symbol, ASSIGN, UNASSIGN, IS ASSIGNED
• data reference, REF TO, CREATE DATA, dereference
• RTTI, RTTC, cl_abap_typedescr, cl_abap_structdescr
• dynamic SQL, dynamic method call
• CASTING, BIT-NOT, BIT-AND

String Processing

• string, string template, string function
• FIND, REPLACE, CONCATENATE, SPLIT
• to_upper, to_lower, strlen, substring
• PCRE, regular expression, regex, pattern matching

Numeric Operations

• numeric, calculation, arithmetic
• cl_abap_bigint, cl_abap_rational
• ROUND, CEIL, FLOOR, TRUNC
• decfloat16, decfloat34
• ipow, sqrt, exp, log

Testing

• ABAP Unit, test class, FOR TESTING
• cl_abap_unit_assert, assert_equals
• test double, mock, stub, injection
• RISK LEVEL, DURATION

Exception Handling

• exception, TRY, CATCH, ENDTRY
• RAISE EXCEPTION, THROW
• cx_root, cx_static_check, cx_dynamic_check
• exception class, get_text

ABAP Cloud

• ABAP Cloud, ABAP for Cloud Development
• released API, XCO library
• SAP BTP ABAP Environment
• cloud-ready, upgrade-stable

Authorization

• AUTHORITY-CHECK, authorization object
• ACTVT, activity code
• access control, DCL, role
• pfcg_auth, aspect

ABAP Dictionary

• data element, domain, structure
• table type, database table
• DDIC, dictionary type
• CDS simple type, CDS enum

Generative AI

• AI SDK, generative AI, LLM
• cl_aic_islm_compl_api_factory
• intelligent scenario, prompt template
• Joule, ABAP AI

Errors and Debugging

• sy-subrc, sy-tabix, sy-index
• runtime error, dump, exception
• CX_SY_ZERODIVIDE, CX_SY_ITAB_LINE_NOT_FOUND
• debugging, breakpoint

Directory Structure

sap-abap/
├── SKILL.md                        # Main skill file with quick reference
├── README.md                       # This file (keywords for discoverability)
└── references/                     # Detailed reference files (28 files)
    ├── abap-dictionary.md          # DDIC objects, types
    ├── abap-sql.md                 # ABAP SQL comprehensive guide
    ├── amdp.md                     # ABAP Managed Database Procedures
    ├── authorization.md            # Authorization checks, DCL
    ├── bits-bytes.md               # Binary operations, CASTING
    ├── builtin-functions.md        # String, numeric, table functions
    ├── cds-views.md                # CDS view entities
    ├── cloud-development.md        # ABAP Cloud specifics
    ├── constructor-expressions.md  # Constructor operators
    ├── date-time.md                # Date, time, timestamps, XCO
    ├── design-patterns.md          # Factory, Singleton, Strategy
    ├── dynamic-programming.md      # RTTI, RTTC, field symbols
    ├── exceptions.md               # Exception handling
    ├── generative-ai.md            # AI SDK integration
    ├── internal-tables.md          # Complete table operations
    ├── numeric-operations.md       # Math functions, big integers
    ├── object-orientation.md       # OO programming patterns
    ├── performance.md              # Database, internal table optimization
    ├── program-flow.md             # IF, CASE, LOOP, DO, WHILE
    ├── rap-eml.md                  # RAP and EML reference
    ├── released-classes.md         # Released API catalog
    ├── sap-luw.md                  # Logical Unit of Work, transactions
    ├── sql-hierarchies.md          # CTE hierarchies, navigators
    ├── string-processing.md        # String functions and regex
    ├── table-grouping.md           # GROUP BY loops
    ├── unit-testing.md             # ABAP Unit framework
    ├── where-conditions.md         # WHERE clause patterns
    └── xml-json.md                 # XML/JSON processing

Usage

Ask Claude about any ABAP development topic:

• "How do I create a sorted internal table with multiple keys?"
• "What's the syntax for EML CREATE operations in RAP?"
• "Show me how to use CORRESPONDING with field mapping"
• "How do I handle exceptions in ABAP?"
• "What's the difference between ABAP Cloud and classic ABAP?"
• "How do I implement the factory pattern in ABAP?"
• "What are the released classes for date/time in ABAP Cloud?"
• "How do I integrate generative AI in ABAP?"

Source Documentation

Content based on official SAP ABAP Cheat Sheets:

• Repository: https://github.com/SAP-samples/abap-cheat-sheets
• SAP Help: https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm

Version

• Skill Version: 2.1.0
• Last Updated: 2025-11-23
• ABAP Release: Latest (7.5x / Cloud)
• Reference Files: 28
• Source Coverage: 91% (31 of 34 source files)

License

GPL-3.0 License - See LICENSE file in repository root.