HA400 ABAP Programming for SAP HANA

Transcription

1 ABAP Programming for SAP HANA SAP HANA Course Version: 08 Course Duration: 3 Day(s) Publication Date: 2014 Publication Time:

2 Copyright Copyright SAP AG. All rights reserved. No part of this publication may be reproduced or transmitted in any form or for any purpose without the express permission of SAP AG. Additionally this publication and its contents are provided solely for your use, this publication and its contents may not be rented, transferred or sold without the express permission of SAP AG. The information contained herein may be changed without prior notice. Some software products marketed by SAP AG and its distributors contain proprietary software components of other software vendors. Trademarks Microsoft, WINDOWS, NT, EXCEL, Word, PowerPoint and SQL Server are registered trademarks of Microsoft Corporation. IBM, DB2, OS/2, DB2/6000, Parallel Sysplex, MVS/ESA, RS/6000, AIX, S/390, AS/400, OS/390, and OS/400 are registered trademarks of IBM Corporation. ORACLE is a registered trademark of ORACLE Corporation. INFORMIX -OnLine for SAP and INFORMIX Dynamic ServerTM are registered trademarks of Informix Software Incorporated. UNIX, X/Open, OSF/1, and Motif are registered trademarks of the Open Group. Citrix, the Citrix logo, ICA, Program Neighborhood, MetaFrame, WinFrame, VideoFrame, MultiWin and other Citrix product names referenced herein are trademarks of Citrix Systems, Inc. HTML, DHTML, XML, XHTML are trademarks or registered trademarks of W3C, World Wide Web Consortium, Massachusetts Institute of Technology. JAVA is a registered trademark of Sun Microsystems, Inc. JAVASCRIPT is a registered trademark of Sun Microsystems, Inc., used under license for technology invented and implemented by Netscape. SAP, SAP Logo, R/2, RIVA, R/3, SAP ArchiveLink, SAP Business Workflow, WebFlow, SAP EarlyWatch, BAPI, SAPPHIRE, Management Cockpit, mysap.com Logo and mysap.com are trademarks or registered trademarks of SAP AG in Germany and in several other countries all over the world. All other products mentioned are trademarks or registered trademarks of their respective companies. Disclaimer THESE MATERIALS ARE PROVIDED BY SAP ON AN "AS IS" BASIS, AND SAP EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, EXPRESS OR APPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO THESE MATERIALS AND THE SERVICE, INFORMATION, TEXT, GRAPHICS, LINKS, OR ANY OTHER MATERIALS AND PRODUCTS CONTAINED HEREIN. IN NO EVENT SHALL SAP BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES OF ANY KIND WHATSOEVER, INCLUDING WITHOUT LIMITATION LOST REVENUES OR LOST PROFITS, WHICH MAY RESULT FROM THE USE OF THESE MATERIALS OR INCLUDED SOFTWARE COMPONENTS. g

3 Contents Contents Course Overview... Course Goals... Course Objectives... v v v Unit 1: Introduction... 1 SAP HANA Basics and Technical Concepts... 1 Introduction to SAP HANA Studio... 1 Introduction to ABAP Development Tools (ADT)... 1 Introduction to the EPM Sample Application... 2 Unit 2: Taking ABAP to SAP HANA... 3 SAP HANA as Secondary Database Access via Open SQL... 3 Preparing for SAP HANA... 3 Guided Performance Analysis... 3 Performance Rules and Guidelines for SAP HANA... 4 Unit 3: Code-to-Data with SAP HANA as Secondary Database... 5 Classical Open SQL and Its Limitations... 5 ABAP Database Connectivity (ADBC)... 5 Native SQL Syntax... 5 Working with Views in SAP HANA Studio... 6 Consuming SAP HANA Views via Native SQL... 6 Working With Database Procedures in SAP HANA Studio... 6 Calling SAP HANA Procedures in ABAP... 6 Unit 4: Optimizing ABAP On Primary Database SAP HANA... 7 New Open SQL... 7 Core Data Services in ABAP... 7 Associations in Core Data Services... 7 Unit 5: Using ABAP-managed Database Procedures... 8 ABAP-Managed Database Procedures... 8 Debugging ABAP-managed Database Procedures... 8 Unit 6: SAP HANA Proxy Objects... 9 Accessing SAP HANA Views via ABAP Dictionary External Views... 9 Transport of SAP HANA Objects SAP AG. All rights reserved. iii

4 Contents Calling SAP HANA Procedures via ABAP Database Procedure Proxies.. 10 Unit 7: Advanced Topics...11 Using SAP HANA Full Text Search ABAP List Viewer (ALV) with Integrated Access to SAP HANA Unit 8: Case Study: Optimize a Report on Flight Customer Revenue Creating an Analytic View Unit 9: Appendix...13 Additional ABAP Language Enhancements SAP AG. All rights reserved. iv

5 Course Overview Course Overview Target Audience This course is intended for the following audiences: Developers and development consultants who need to write or review performance-optimized ABAP code for SAP HANA. Course Prerequisites Required Knowledge HA100 HANA Overview BC400 ABAP Workbench Fundamentals BC401 ABAP Objects Experience in ABAP Programing ( procedural and object oriented) Open SQL details (joins, views, aggregations) Recommended Knowledge HA150 SQL Basics for SAP HANA Course Goals This course will prepare the participant to: Develop and optimize ABAP applications that access data stored in the SAP HANA Database Course Objectives After completing this course, the participant will be able to: Understand the technical concepts of SAP HANA Understand how to optimize classic ABAP for SAP HANA Describe the use of analysis tools for performance optimization (Runtime Analysis, Code Inspector, SQL Trace, SQL Performance Tuning Worklist) Understand the SQL performance rules of ABAP for SAP HANA Access SAP HANA from ABAP using native SQL and ADBC (ABAP Database Connectivity) Use enhanced Open SQL Use Core Data Services in ABAP to define advanced views Call SAP HANA stored procedures in ABAP and embed stored procedures in ABAP Consume SAP HANA views in ABAP 2014 SAP AG. All rights reserved. v

6 Course Overview Create a simple SAP HANA view 2014 SAP AG. All rights reserved. vi

7 Unit 1 Introduction Unit Overview This unit is designed to teach the following topics: SAP HANA basics SAP HANA technical concepts Introduction to SAP HANA Studio Introduction to ABAP Development Tools Lesson: SAP HANA Basics and Technical Concepts Describe SAP HANA goals, technical innovations and challenges Understand the fundamental technical concepts of SAP HANA Explain the SAP HANA and ABAP evolution, architecture, and direction Determine if HANA s row store or column store is used for an ABAP transparent table, and which indices are used on HANA Lesson: Introduction to SAP HANA Studio Explain the central functions of HANA Studio Switch between different perspectives in the SAP HANA Studio Set up a connection to a SAP HANA database Understand schemata and tables in SAP HANA Studio Analyze the definition of tables in SAP HANA Studio Lesson: Introduction to ABAP Development Tools (ADT) Use the ABAP Development Tools in Eclipse 2014 SAP AG. All rights reserved. 1

8 Lesson: Introduction to the EPM Sample Application Describe the Enterprise Procurement Model business example Describe the Open Item Analytics sample applications and which computations it involves 2014 SAP AG. All rights reserved. 2

9 Unit 2 Taking ABAP to SAP HANA Unit Overview This unit is designed to teach the following topics: Access the SAP HANA Database using Open SQL and a secondary database connection Optimize Open SQL access to SAP HANA Performance rules and guidelines for SAP HANA Lesson: SAP HANA as Secondary Database Access via Open SQL Describe how to access the SAP HANA Database by using Open SQL and a secondary database connection Lesson: Preparing for SAP HANA Use Code Inspector (SCI) and ABAP Test Cockpit (ATC) to locate potential functional and performance issues. Use the ABAP Trace (SAT) and the ABAP Profiling perspective to measure and compare runtime consumption Lesson: Guided Performance Analysis Use the SQL Monitor (SQLM) to identify most important database access Use the Performance Tuning Worklist (SWLT) to combine static and dynamic performance analysis results Use SQL Trace (ST05) for in depth analysis of database accesses 2014 SAP AG. All rights reserved. 3

10 Lesson: Performance Rules and Guidelines for SAP HANA Understand the performance rules and guidelines for ABAP on SAP HANA 2014 SAP AG. All rights reserved. 4

11 Unit 3 Code-to-Data with SAP HANA as Secondary Database Unit Overview This unit is designed to teach the following topics: Optimizing ABAP applications using SAP HANA as a secondary database ABAP Database Connectivity (ADBC) Native SQL Syntax Finding and analyzing views in SAP HANA Studio Distinguishing features of different types of SAP HANA views Consuming SAP HANA views in a secondary SAP HANA database Working with database procedures stored on SAP HANA Consuming SAP HANA database procedures in a secondary SAP HANA database Lesson: Classical Open SQL and Its Limitations Explain Open SQL in the context of SAP HANA Know the limitations of classical Open SQL Lesson: ABAP Database Connectivity (ADBC) Understand ABAP Database Connectivity (ADBC) Use ADBC to execute native SQL statements Lesson: Native SQL Syntax Understand the main difference between native SQL Syntax and Open SQL Syntax 2014 SAP AG. All rights reserved. 5

12 Write syntactically correct Native SQL Statements Lesson: Working with Views in SAP HANA Studio Describe different approaches to moving data-intensive calculations into a secondary SAP HANA database Search for views in SAP HANA Studio Analyze the Definition of SAP HANA views Describe the different Types of SAP HANA views Test views with the data preview Lesson: Consuming SAP HANA Views via Native SQL Consume HANA views in ABAP Lesson: Working With Database Procedures in SAP HANA Studio Work with database procedures in SAP HANA Studio Lesson: Calling SAP HANA Procedures in ABAP Call SAP HANA procedures in ABAP 2014 SAP AG. All rights reserved. 6

13 Unit 4 Optimizing ABAP On Primary Database SAP HANA Unit Overview This unit is designed to teach the following topics: Using enhanced Open SQL to move calculations to the database Defining and using advanced views in ABAP using Core Data Services Lesson: New Open SQL Describe code-to-data approaches possible with ABAP 7.4 SP05 Use the new Open SQL syntax for simple SELECT statements Use expressions in Open SQL SELECT statements Lesson: Core Data Services in ABAP Define database views using Core Data Services (CDS) in ABAP Use expressions, joins and unions in CDS-based view definitions Use aggregation and grouping in CDS-based view definitions Use Open SQL to select data based on CDS views Lesson: Associations in Core Data Services Use associations in Core Data Services 2014 SAP AG. All rights reserved. 7

14 Unit 5 Using ABAP-managed Database Procedures Unit Overview This unit is designed to teach you the following topics: Developing SAP HANA database procedures embedded into ABAP code Calling such ABAP-managed database procedures Debugging ABAP-managed database procedures Lesson: ABAP-Managed Database Procedures Understand the benefits of using ABAP Managed Database Procedures Create ABAP-managed database procedures Call ABAP-managed database procedures in ABAP Lesson: Debugging ABAP-managed Database Procedures Describe the authorizations required and user accounts involved to debug ABAP-managed database procedures Debug ABAP-managed database procedures 2014 SAP AG. All rights reserved. 8

15 Unit 6 SAP HANA Proxy Objects Unit Overview This unit is designed to teach the following topics: Working with SAP HANA proxy objects to ease consumption of existing SAP HANA content Transporting existing SAP HANA content via an ABAP system Lesson: Accessing SAP HANA Views via ABAP Dictionary External Views Describe the bottom-up approaches to the code-to-data paradigm possible with ABAP 7.4 SP02 Create external views in the ABAP Dictionary Explain the mapping of SAP HANA data types and ABAP Dictionary types Adjust data type mappings Select from an external view with Open SQL Lesson: Transport of SAP HANA Objects Explain the use of Delivery Units Create delivery units and assign packages Explain the usage of HANA Transport Containers Create HANA Transport Containers and assign delivery units 2014 SAP AG. All rights reserved. 9

16 Lesson: Calling SAP HANA Procedures via ABAP Database Procedure Proxies Use database procedure proxies in ABAP SAP AG. All rights reserved. 10

17 Unit 7 Advanced Topics Unit Overview This unit is designed to teach you the following topics: Using SAP HANA fuzzy search in ABAP Enable type-ahead search for input fields SAP List Viewer (ALV) with integrated access to SAP HANA Lesson: Using SAP HANA Full Text Search Describe when fuzzy search can be used Configure a table column for fuzzy search Write a SELECT statement that uses fuzzy search Enable an input field on an SAP GUI screen for type-ahead with fuzzy search Lesson: ABAP List Viewer (ALV) with Integrated Access to SAP HANA Understand the benefits of SAP List Viewer (ALV) optimized for HANA Describe the differences between ALV for HANA and classical ALV Display data in ALV for HANA Use select options in the data retrieval of ALV for HANA Supply values for input parameters of external view 2014 SAP AG. All rights reserved. 11

18 Unit 8 Case Study: Optimize a Report on Flight Customer Revenue Unit Overview This unit is designed to give you an example on how a calculation intensive report on flight customer revenue can be optimized for SAP HANA. In a first step you will push down the currency conversion and aggregation onto the database layer by creating an analytic view. In a second step you will replace the classical ALV Grid Control with the new, ABAP List Viewer optimized for SAP HANA. Lesson: Creating an Analytic View Create an Analytic view 2014 SAP AG. All rights reserved. 12

19 Unit 9 Appendix Unit Overview This unit contains an optional lesson and exercises. They cover ABAP language enhancements that are especially useful when working with native SQL calls and ADBC. Lesson: Additional ABAP Language Enhancements Use inline data declarations in ABAP code Use string and table expressions in ABAP code 2014 SAP AG. All rights reserved. 13