Inhalt
... Structure of the Book ... 19
... Acknowledgments ... 22
1.1 ... Define the Data Model of the Application ... 24
1.2 ... Implement the Data Model of the Application ... 26
1.3 ... Summary ... 52
2.1 ... Overview of CDS Models ... 54
2.2 ... Overview of CDS View Syntax ... 58
2.3 ... Key Fields ... 61
2.4 ... Cast Operations ... 62
2.5 ... Typed Literals ... 64
2.6 ... Simple Types ... 66
2.7 ... Case Statements ... 68
2.8 ... Session Variables ... 69
2.9 ... Client Handling ... 71
2.10 ... Select Distinct Statements ... 72
2.11 ... Union Views ... 73
2.12 ... Intersect and Except Statements ... 79
2.13 ... Joins ... 81
2.14 ... SQL Aggregation Functions ... 87
2.15 ... Projection Fields ... 89
2.16 ... Parameters ... 91
2.17 ... Reference Fields ... 96
2.18 ... Conversion Functions for Currencies and Quantity Units ... 99
2.19 ... Provider Contracts ... 102
2.20 ... Entity Buffer Definitions ... 104
2.21 ... Summary ... 106
3.1 ... Define Associations ... 108
3.2 ... Expose Associations ... 111
3.3 ... Model Compositional Relations ... 111
3.4 ... Model M:N Relations ... 114
3.5 ... Project Associations ... 117
3.6 ... Use Associations in CDS Views ... 118
3.7 ... Use Associations in ABAP Code ... 129
3.8 ... Summary ... 129
4.1 ... Annotation Definitions ... 132
4.2 ... Effects of Annotations ... 143
4.3 ... Propagation Logic for Annotations ... 145
4.4 ... Metadata Extensions ... 155
4.5 ... Active Annotations ... 158
4.6 ... Summary ... 160
5.1 ... Fundamentals of Access Controls ... 162
5.2 ... Mode of Action of Access Controls ... 166
5.3 ... Implementation Patterns for Access Controls ... 171
5.4 ... Test Access Controls ... 207
5.5 ... Summary ... 210
6.1 ... Projection Views ... 212
6.2 ... Service Definitions ... 216
6.3 ... Service Bindings ... 221
6.4 ... Testing Business Services ... 230
6.5 ... Summary ... 233
7.1 ... Implementation of a CDS Table Function ... 236
7.2 ... Application Scenarios ... 244
7.3 ... Improve Performance and Avoid Errors ... 245
7.4 ... Summary ... 247
8.1 ... Application Architecture in SAP S/4HANA ... 250
8.2 ... Field Labels ... 253
8.3 ... Field Semantics ... 257
8.4 ... Foreign Key Relations ... 262
8.5 ... Text Relations ... 267
8.6 ... Composition Relations ... 270
8.7 ... Time-Dependent Data ... 272
8.8 ... Summary ... 274
9.1 ... Why a Virtual Data Model? ... 276
9.2 ... SAP Object Types and Object Node Types ... 277
9.3 ... Categories of CDS Entities in the Virtual Data Model ... 280
9.4 ... Naming in the Virtual Data Model ... 285
9.5 ... Basic Interface View for the Sales Order ... 288
9.6 ... Tips for Finding Virtual Data Model Views ... 295
9.7 ... Summary ... 301
10.1 ... Analytics in SAP S/4HANA ... 303
10.2 ... Analytical Views ... 305
10.3 ... Analytical Queries ... 325
10.4 ... Analytical Infrastructure ... 356
10.5 ... Summary ... 359
11.1 ... Transactional Applications ... 362
11.2 ... Transactional Infrastructure in SAP S/4HANA ... 363
11.3 ... Transactional Object Models ... 366
11.4 ... Behavior Definitions ... 372
11.5 ... Transactional Projection Object Models ... 467
11.6 ... Define Interface Behavior Definition ... 477
11.7 ... Define Projection Behavior Definition ... 484
11.8 ... Runtime Orchestration ... 492
11.9 ... SAP Fiori and OData Consumption ... 498
11.10 ... SAP Event Mesh and Local Event Handlers ... 510
11.11 ... Summary ... 513
12.1 ... Hierarchy Categories and Basics ... 516
12.2 ... Annotation-Based Parent-Child Hierarchies ... 517
12.3 ... CDS Hierarchies ... 526
12.4 ... Summary ... 548
13.1 ... Modeling Value Helps ... 550
13.2 ... Free-Text Search Functionality in OData Services ... 570
13.3 ... Enterprise Search Functionality ... 578
13.4 ... Summary ... 583
14.1 ... Stability Contracts ... 586
14.2 ... Lifecycle of Development Objects ... 590
14.3 ... Deprecation of Development Objects ... 592
14.4 ... Use of CDS Models and Supported Capabilities ... 594
14.5 ... Summary ... 598
15.1 ... Solution Variants and ABAP Language Versions ... 600
15.2 ... Stable CDS Extensions ... 602
15.3 ... Extensions of Transactional Models ... 615
15.4 ... Summary ... 628
16.1 ... Test Logic of Data Selections ... 631
16.2 ... Test Logic of Transactional Applications ... 658
16.3 ... Summary ... 670
17.1 ... Performance Aspects ... 671
17.2 ... Pitfalls ... 687
17.3 ... Troubleshoot Implementations of CDS Models ... 698
17.4 ... Troubleshoot Activation Issues ... 706
17.5 ... Examine ABAP RESTful Application Programming Model Applications ... 711
17.6 ... Summary ... 714
A ... CDS Annotation Reference ... 717
B ... Migration to the ABAP RESTful Application Programming Model ... 729
C ... The Authors ... 737
