Name: Complete ABAP
Brand: SAP
SKU: BOOK-SAPPRESS-EBOOK-2022-9781493223060

Language

🇺🇸 English

Publisher SAP PRESS

Year / Edition 2022 / 3

Pages 912

Authors Kiran Bandari

Complete ABAP

Get everything you need to code with ABAP, all in one place! Are you a beginner looking for a refresher on the basics? You'll get an overview of SAP architecture and learn syntax. Already an experienced programmer and looking to improve your ABAP skills? Dive right into modifications and code enhancements. Understand the programming environment and build reports, interfaces, and applications with this complete reference to coding with ABAP!

An everyday reference for ABAP programmers of all levels
Learn language elements, syntax, concepts, and more
Explore modularization, modifications, and enhancements
Updated for ABAP 2021

You'll learn about:

Everything ABAP:
Learn everything there is to know about ABAP. Start with keywords, syntax, tools, data types, and events. Then level up your skills for user interaction, exception handling, dialog and dynamic programming, and more.
Programming Techniques:
Get to know techniques like object-oriented and procedural programming and how they relate to ABAP. Master modularization, inheritance, and data encapsulation. Leverage existing features and functionality without having to reinvent the wheel!
Debugging and Testing:
Writing code is one thing—making it work is another. Learn how to debug code using the classic and new debuggers, and put your programs to the test using tools like ABAP Unit and the code inspector.

Key Highlights:

Architecture and environment
Syntax, keywords, structures, and tables
User interaction
Modularization
Persistent data
Dialog and dynamic programming
Reports and forms
Interface development
Modifications and enhancements
Debugging and testing

View Full Table of Contents

Acknowledgments
Preface
- Objective of This Book
- Target Audience
- Structure of This Book
1 Introduction to ERP and SAP
- 1.1 Historical Overview
- 1.2 Understanding an ERP System
  - 1.2.1 What Is ERP?
  - 1.2.2 ERP versus Non-ERP Systems
  - 1.2.3 Advantages of an ERP System
- 1.3 Introduction to SAP
  - 1.3.1 Modules in SAP
  - 1.3.2 Types of Users
  - 1.3.3 Role of an ABAP Consultant
  - 1.3.4 Changing and Adapting the Data Structure
- 1.4 ABAP Overview
  - 1.4.1 Types of Applications
  - 1.4.2 RICEF Overview
- 1.5 System Requirements
- 1.6 Summary
2 Architecture of an SAP System
- 2.1 Introduction to the Three-Tier Architecture
- 2.2 SAP Implementation Overview
  - 2.2.1 SAP GUI: Presentation Layer
  - 2.2.2 Application Servers and Message Servers: Application Layer
  - 2.2.3 Database Server/Relational Database Management System: Database Layer
  - 2.2.4 SAP HANA Introduction
- 2.3 Data Structures
  - 2.3.1 Client Overview
  - 2.3.2 Client-Specific Data and Cross-Client Data
  - 2.3.3 Repository
  - 2.3.4 Packages
  - 2.3.5 Transport Organizer
- 2.4 Summary
3 Introduction to the ABAP Environment
- 3.1 SAP Environment
  - 3.1.1 ABAP Programming Environment
  - 3.1.2 Logging On to the SAP Environment
  - 3.1.3 Elements of the SAP Screen
  - 3.1.4 Transaction Codes
  - 3.1.5 Opening and Navigating with Transactions
- 3.2 ABAP Workbench Overview
  - 3.2.1 ABAP Editor
  - 3.2.2 Function Builder
  - 3.2.3 Class Builder
  - 3.2.4 Screen Painter
  - 3.2.5 Menu Painter
  - 3.2.6 ABAP Data Dictionary
  - 3.2.7 Object Navigator
- 3.3 Eclipse IDE Overview
- 3.4 SAP Business Technology Platform, ABAP Environment
- 3.5 Summary
4 ABAP Programming Concepts
- 4.1 General Program Structure
  - 4.1.1 Global Declarations
  - 4.1.2 Procedural Area
- 4.2 ABAP Syntax
  - 4.2.1 Basic Syntax Rules
  - 4.2.2 Chained Statements
  - 4.2.3 Comment Lines
- 4.3 ABAP Keywords
- 4.4 Introduction to the TYPE Concept
  - 4.4.1 Data Types
  - 4.4.2 Data Elements
  - 4.4.3 Domains
  - 4.4.4 Data Objects
- 4.5 ABAP Statements
- 4.6 Creating Your First ABAP Program
- 4.7 Summary
5 Structures and Internal Tables
- 5.1 Defining Structures
  - 5.1.1 When to Define Structures
  - 5.1.2 Local Structures
  - 5.1.3 Global Structures
  - 5.1.4 Working with Structures
  - 5.1.5 Use Cases
- 5.2 Internal Tables
  - 5.2.1 Defining Internal Tables
  - 5.2.2 Types of Internal Tables
  - 5.2.3 Table Keys
  - 5.2.4 Working with Internal Tables
  - 5.2.5 Control Break Statements
- 5.3 Introduction to Open SQL Statements
  - 5.3.1 Database Overview
  - 5.3.2 Selecting Data from Database Tables
  - 5.3.3 Selecting Data from Multiple Tables
- 5.4 Processing Data from Databases via Internal Tables and Structures
- 5.5 Introduction to the Debugger
- 5.6 Practice
- 5.7 Summary
6 User Interaction
- 6.1 Selection Screen Overview
  - 6.1.1 PARAMETERS
  - 6.1.2 SELECT-OPTIONS
  - 6.1.3 SELECTION-SCREEN
  - 6.1.4 Selection Texts
- 6.2 Messages
  - 6.2.1 Types of Messages
  - 6.2.2 Messages Using Text Symbols
  - 6.2.3 Messages Using Message Classes
  - 6.2.4 Dynamic Messages
  - 6.2.5 Translation
- 6.3 Summary
7 Modularization Techniques
- 7.1 Modularization Overview
- 7.2 Program Structure
  - 7.2.1 Processing Blocks
  - 7.2.2 Event Blocks
  - 7.2.3 Dialog Modules
  - 7.2.4 Procedures
- 7.3 Events
  - 7.3.1 Program Constructor Events
  - 7.3.2 Reporting Events
  - 7.3.3 Selection Screen Events
  - 7.3.4 List Events
  - 7.3.5 Screen Events
- 7.4 Procedures
  - 7.4.1 Subroutines
  - 7.4.2 Function Modules
  - 7.4.3 Methods
- 7.5 Inline Declarations
  - 7.5.1 Assigning Values to Data Objects
  - 7.5.2 Using Inline Declarations with Table Work Areas
  - 7.5.3 Avoiding Helper Variables
  - 7.5.4 Declaring Actual Parameters
- 7.6 Summary
8 Object-Oriented ABAP
- 8.1 Procedural Programming versus Object-Oriented Programming
- 8.2 Principles of Object-Oriented Programming
  - 8.2.1 Attributes
  - 8.2.2 Static and Instance Components
  - 8.2.3 Methods
  - 8.2.4 Objects
  - 8.2.5 Constructor
- 8.3 Encapsulation
  - 8.3.1 Component Visibility
  - 8.3.2 Friends
  - 8.3.3 Implementation Hiding
- 8.4 Inheritance
  - 8.4.1 Defining Inheritance
  - 8.4.2 Abstract Classes and Methods
  - 8.4.3 Final Classes and Methods
  - 8.4.4 Composition
  - 8.4.5 Refactoring Assistant
- 8.5 Polymorphism
  - 8.5.1 Static and Dynamic Types
  - 8.5.2 Casting
  - 8.5.3 Dynamic Binding with the Call Method
  - 8.5.4 Interfaces
  - 8.5.5 Events
- 8.6 Working with the Extensible Markup Language
  - 8.6.1 XML Overview
  - 8.6.2 XML Processing Concepts
- 8.7 Summary
9 Exception Handling
- 9.1 Exceptions Overview
- 9.2 Procedural Exception Handling
  - 9.2.1 Maintaining Exceptions Using Function Modules
  - 9.2.2 Maintaining Exceptions Using Methods
  - 9.2.3 Maintaining Exceptions for Local Classes
- 9.3 Class-Based Exception Handling
  - 9.3.1 Raising Exceptions
  - 9.3.2 Catchable and Noncatchable Exceptions
  - 9.3.3 Defining Exception Classes Globally
  - 9.3.4 Defining Exception Classes Locally
- 9.4 Messages in Exception Classes
  - 9.4.1 Using the Online Text Repository
  - 9.4.2 Using Messages from a Message Class
  - 9.4.3 Using the MESSAGE Addition to Raise an Exception
- 9.5 Summary
10 ABAP Data Dictionary
- 10.1 Database Tables
  - 10.1.1 Creating a Database Table
  - 10.1.2 Indexes
  - 10.1.3 Table Maintenance Generator
  - 10.1.4 Foreign Keys
  - 10.1.5 Include Structure
  - 10.1.6 Append Structure
- 10.2 Views
  - 10.2.1 Database Views
  - 10.2.2 Projection Views
  - 10.2.3 Maintenance Views
  - 10.2.4 Help Views
  - 10.2.5 ABAP Core Data Services Views
- 10.3 Data Types
  - 10.3.1 Data Elements
  - 10.3.2 Structures
  - 10.3.3 Table Types
- 10.4 Type Groups
- 10.5 Domains
- 10.6 Search Helps
  - 10.6.1 Elementary Search Helps
  - 10.6.2 Collective Search Helps
  - 10.6.3 Assigning a Search Help
  - 10.6.4 Search Help Exits
- 10.7 Lock Objects
- 10.8 Summary
11 Persistent Data
- 11.1 Working with Data in Databases
  - 11.1.1 Open SQL
  - 11.1.2 Logical Unit of Work
- 11.2 ABAP Object Services
  - 11.2.1 Persistence Service Overview
  - 11.2.2 Building Persistent Classes
  - 11.2.3 Working with Persistent Objects
- 11.3 File Interfaces
  - 11.3.1 Working with Files in the Application Server
  - 11.3.2 Working with Files in the Presentation Layer
- 11.4 Data Clusters
  - 11.4.1 Exporting Data Clusters to Databases
  - 11.4.2 Importing Data Clusters
- 11.5 Security Concepts
- 11.6 Summary
12 Dialog Programming
- 12.1 Screen Events
- 12.2 Screen Elements and Flow Logic
  - 12.2.1 Components of a Dialog Program
  - 12.2.2 Screens
  - 12.2.3 Screen Elements
- 12.3 Basic Screen Elements
  - 12.3.1 Text Fields
  - 12.3.2 Checkboxes and Radio Buttons
  - 12.3.3 Push Buttons
- 12.4 Input/Output Fields
- 12.5 List Box
- 12.6 Table Controls
  - 12.6.1 Create a Table Control without a Wizard
  - 12.6.2 Create a Table Control with a Wizard
- 12.7 Tabstrip Controls
- 12.8 Subscreens
- 12.9 Working with Screens
  - 12.9.1 Screen Flow Logic
  - 12.9.2 GUI Status
  - 12.9.3 GUI Title
  - 12.9.4 Modifying Screen Fields Dynamically
  - 12.9.5 Field Help and Input Help
  - 12.9.6 Screen Sequence
  - 12.9.7 Assigning Transaction Codes
- 12.10 Control Framework
  - 12.10.1 Using Container Controls
  - 12.10.2 Implementing Custom Controls
- 12.11 Practice
  - 12.11.1 Application Flow
  - 12.11.2 Delete Functionality
  - 12.11.3 Validations and Autofills
- 12.12 Summary
13 List Screens
- 13.1 Program Types
  - 13.1.1 Executable Programs
  - 13.1.2 Module Pool Programs
  - 13.1.3 Function Groups
  - 13.1.4 Class Pools
  - 13.1.5 Interface Pools
  - 13.1.6 Subroutine Pools
  - 13.1.7 Type Pools
  - 13.1.8 Include Programs
- 13.2 Program Execution
  - 13.2.1 Executable Program Flow
  - 13.2.2 Module Pool Program Flow
  - 13.2.3 Calling Programs Internally
- 13.3 Memory Organization
- 13.4 List Events
  - 13.4.1 TOP-OF-PAGE
  - 13.4.2 END-OF-PAGE
  - 13.4.3 AT LINE-SELECTION
  - 13.4.4 AT USER-COMMAND
- 13.5 Basic Lists and Detail Lists
- 13.6 Classical Reports
- 13.7 Interactive Reports
  - 13.7.1 HIDE
  - 13.7.2 READ LINE
  - 13.7.3 GET CURSOR
  - 13.7.4 DESCRIBE LIST
- 13.8 Practice
- 13.9 Summary
14 Selection Screens
- 14.1 Defining Selection Screens
- 14.2 Selection Screen Events
- 14.3 Input Validations
- 14.4 Selection Screen Variants
  - 14.4.1 Creating a Variant
  - 14.4.2 Variant Attributes
  - 14.4.3 Table Variables from Table TVARVC
  - 14.4.4 Dynamic Date Calculation
  - 14.4.5 Dynamic Time Calculation
  - 14.4.6 User-Specific Variables
- 14.5 Executing Programs in the Background
- 14.6 Displaying and Hiding Screen Elements Dynamically
- 14.7 Calling Programs via Selection Screens
- 14.8 Summary
15 SAP List Viewer Reports
- 15.1 Standard ALV Reports Using the Reuse Library
  - 15.1.1 List and Grid Display: Simple Reports
  - 15.1.2 Block Display
  - 15.1.3 Hierarchical Sequential Display
- 15.2 Interactive Reports
  - 15.2.1 Loading a Custom GUI Status
  - 15.2.2 Reacting to User Actions
  - 15.2.3 Printing TOP-OF-PAGE
- 15.3 ALV Reports Using the Control Framework
- 15.4 ALV Object Model
  - 15.4.1 Table Display
  - 15.4.2 Hierarchical Display
  - 15.4.3 Tree Object Model
- 15.5 SAP List Viewer with Integrated Data Access
- 15.6 Summary
16 Dynamic Programming
- 16.1 Field Symbols
  - 16.1.1 Using Field Symbols to Make Programs Dynamic
  - 16.1.2 Defining Field Symbols
  - 16.1.3 Assigning a Data Object
  - 16.1.4 Checking If a Field Symbol Is Assigned
  - 16.1.5 Unassigning a Field Symbol
  - 16.1.6 Casting
- 16.2 Data References
  - 16.2.1 Defining Reference Variables
  - 16.2.2 Getting Data References
  - 16.2.3 Anonymous Data Objects
  - 16.2.4 Assignment between Reference Variables
- 16.3 Runtime Type Services
  - 16.3.1 Runtime Type Information
  - 16.3.2 Runtime Type Creation
- 16.4 Dynamic Token Specification
- 16.5 Dynamic Procedure Calls
- 16.6 Dynamic Program Generation
- 16.7 Summary
17 Debugging
- 17.1 Classic Debugger
  - 17.1.1 Activating and Using the Classic Debugger
  - 17.1.2 Field View
  - 17.1.3 Table View
  - 17.1.4 Breakpoints View
  - 17.1.5 Watchpoints View
  - 17.1.6 Calls View
  - 17.1.7 Overview View
  - 17.1.8 Settings View
  - 17.1.9 Additional Features
- 17.2 New Debugger
  - 17.2.1 User Interface and Tools
  - 17.2.2 Layout and Sessions
- 17.3 ABAP Managed Database Procedures Debugger
- 17.4 Using the Debugger to Troubleshoot
- 17.5 Using the Debugger as a Learning Tool
- 17.6 Summary
18 Forms
- 18.1 SAP Scripts
  - 18.1.1 Overview and Layout
  - 18.1.2 Creating the Form Layout
  - 18.1.3 Maintaining Window Details
  - 18.1.4 Processing Forms with Function Modules
- 18.2 Smart Forms
  - 18.2.1 Overview and Layout
  - 18.2.2 Maintaining the Global Settings
  - 18.2.3 Maintaining Elements
  - 18.2.4 Driver Program
- 18.3 SAP Interactive Forms by Adobe
  - 18.3.1 Form Interface
  - 18.3.2 Form Context and Layout
  - 18.3.3 Driver Program
  - 18.3.4 Downloading the Form as a PDF
- 18.4 Summary
19 Interfaces
- 19.1 Batch Data Communication
  - 19.1.1 Direct Input
  - 19.1.2 Batch Input
- 19.2 Business Application Programming Interfaces
  - 19.2.1 Business Object Types and Business Components
  - 19.2.2 BAPI Development via BAPI Explorer
  - 19.2.3 Standardized Business Application Programming Interfaces
  - 19.2.4 Standardized Parameters
  - 19.2.5 Implementing Business Application Programming Interfaces
- 19.3 EDI/ALE/IDocs
  - 19.3.1 Electronic Data Interchange
  - 19.3.2 Application Link Enabling
  - 19.3.3 Intermediate Documents
  - 19.3.4 System Configurations
  - 19.3.5 Inbound/Outbound Programs
- 19.4 Legacy System Migration Workbench
  - 19.4.1 Getting Started
  - 19.4.2 Migration Process Steps
- 19.5 Web Services
  - 19.5.1 Creating a Web Service
  - 19.5.2 Consuming Web Services
- 19.6 OData Services
  - 19.6.1 Data Model Definition
  - 19.6.2 Service Maintenance
  - 19.6.3 Service Implementation
- 19.7 Extensible Stylesheet Language Transformations
  - 19.7.1 Serialization
  - 19.7.2 Deserialization
- 19.8 XML and JSON Data Representation
- 19.9 WebSockets (ABAP Channels and Messages)
  - 19.9.1 Creating an ABAP Messaging Channel
  - 19.9.2 Creating a Producer Program
  - 19.9.3 Creating a Consumer Program
- 19.10 Summary
20 Modifications and Enhancements
- 20.1 Customization Overview
- 20.2 Modification Overview
- 20.3 Using the Modification Assistant
  - 20.3.1 Modifications to Programs
  - 20.3.2 Modifications to the Class Builder
  - 20.3.3 Modifications to the Screen Painter
  - 20.3.4 Modifications to the Menu Painter
  - 20.3.5 Modifications to the ABAP Data Dictionary
  - 20.3.6 Modifications to Function Modules
  - 20.3.7 Resetting to Original
- 20.4 Using the Modification Browser
- 20.5 Enhancements Overview
- 20.6 User Exits
- 20.7 Customer Exits
  - 20.7.1 Create a Customer Exit
  - 20.7.2 Function Module Exits
  - 20.7.3 Screen Exits
  - 20.7.4 Menu Exits
- 20.8 Business Add-Ins
  - 20.8.1 Overview
  - 20.8.2 Defining a BAdI
  - 20.8.3 Implementing a Business Add-In
  - 20.8.4 Implementing a Fallback Class
  - 20.8.5 Calling a Business Add-In
- 20.9 Enhancement Points
  - 20.9.1 Explicit Enhancements
  - 20.9.2 Implicit Enhancements
- 20.10 Business Transaction Events
  - 20.10.1 Implementing a Business Transaction Event
  - 20.10.2 Testing a Custom Function Module
- 20.11 Summary
21 Test and Analysis Tools
- 21.1 Overview of Tools
- 21.2 ABAP Unit
  - 21.2.1 Eliminating Dependencies
  - 21.2.2 Implementing Mock Objects
  - 21.2.3 Writing and Implementing Unit Tests
- 21.3 Code Inspector
- 21.4 Selectivity Analysis
- 21.5 Process Analysis
- 21.6 Memory Inspector
  - 21.6.1 Creating Memory Snapshots
  - 21.6.2 Comparing Memory Snapshots
- 21.7 Table Call Statistics
- 21.8 Performance Trace
  - 21.8.1 SQL Trace
  - 21.8.2 Remote Function Call Trace
  - 21.8.3 Enqueue Trace
  - 21.8.4 Buffer Trace
- 21.9 ABAP Trace/Runtime Analysis
  - 21.9.1 Running ABAP Trace
  - 21.9.2 Analyzing the Results
- 21.10 Single-Transaction Analysis
- 21.11 Dump Analysis
- 21.12 Summary
The Author
Index

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Complete ABAP

You'll learn about:

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Complete ABAP

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