Mastering SAP ABAP : a complete guide to developing fast, durable, and maintainable ABAP programs in SAP / Pawel Grzeskowiak, Wojciech Ciesielski, Wojciech Ćwik
Cover; Title Page; Copyright and Credits; Dedication; About Packt; Contributors; Table of Contents; Preface; Chapter 1: Creating Custom Code; Technical requirements; Making changes; Design thinking; BDUF/LDUF; Designing for quality and use; Designing the UI; Designing services; Designing the business logic; Designing the database; Agile principles; DevOps; Continuous delivery; Summary; Questions; Chapter 2: The Basic Structure of ABAP; Technical requirements; The Data Dictionary; Domains; Data elements; Structures; Search helps; Table types; Databases; Data declaration; Field symbol; Summary
QuestionsChapter 3: Database Access in ABAP; Technical requirements; Starting with OpenSQL; Basics; Possibilities with SELECT -- the first part of the SQL statement; Possibilities with INTO -- the third part of the SQL statement; The WHERE condition; How to see data selected from a database; More advanced possibilities in OpenSQL; WHERE conditions; Dynamic SELECT in WHERE; SINGLE FOR UPDATE; GROUP BY; ORDER BY; UP TO and ROWS; SELECT and ENDSELECT; FOR ALL ENTRIES; Subqueries; Reading data from several tables; Identifying and saving the changes; Creating datasets; Updating datasets
Deleting datasetsThe optimization of reading big datasets; The new SQL syntax; Inline declaration; SQL expression; Using the SQL Trace tool for performance analysis; Summary; Questions; Chapter 4: Import and Export to Document Formats; Technical requirements; Client-side file processing; Reading files from the local PC using gui_upload; Writing files to the local PC using gui_download; Server-side file processing; Basic transactions related to server-side files; Writing files to the application server; Reading files from the application server; Working with Microsoft Office files
Reading data from Microsoft ExcelSaving a table to a Microsoft Excel file; Working with Microsoft Word; Using DOI to integrate Microsoft Office applications into ABAP reports; Summary; Questions; Further reading; Chapter 5: Exposing Data to Print Forms; Technical requirements; Introduction to printouts in SAP; SAPScript -- the great-grandfather of all printouts; Creating our first SmartForm; Adobe Forms; Creating our first Adobe Form; Summary; Questions; Further reading; Chapter 6: ABAP and XML; Technical requirements; Using the CL_XML_DOCUMENT class for XML
Reading and parsing XML files to ABAPChanging XML data; Simple transformations in ABAP; Serialization using ST; Deserialization using ST; sXML library for XML and JSON; Converting XML to JSON; Summary; Questions; Further reading; Chapter 7: Building User Interfaces; Technical requirements; Classic DynPro; Screen painter; Selection screens; More advanced options of the selection screen; Checkbox; Radiobutton; Blocks in selection screens; Selection screen event model; ALV; Basics; Advanced capabilities of ALV sand screens; Zebra; Coloring; Event of an ALV, exemplified by a button click; Icons in the ALV
Summary
ABAP is an established and complex programming language in the IT industry. This book will give you confidence in using the latest ABAP programming techniques and applying legacy constructions with the help of practical examples
