The Official ABAP" Reference

Transcription

1 Horst Keller The Official ABAP" Reference Volume II Galileo Press Bonn Boston

2 PART 10 User Dialogs 33.1 SAP GUI Dynpro Fields Dynpro Flow and Dynpro Sequences Statements in the Dynpro Flow Logic Event Blocks of the Dynpro Flow Logic Calling Dialog Modules Controlling Data Transfer and Flow Logic Processing Chains Table Controls Subscreens, Tabstrip, and Splitter Controls ABAP Statements for Dynpros Calling a Dynpro Sequence Setting the GUI Status Determining the GUI Status Setting the GUI Title Suppressing the Display Reading Attributes of Screen Elements Modifying Attributes of Screen Elements Setting the Cursor Evaluating the Cursor Position Declaring Controls Initializing Table Control Exiting Step-Loop Processing Holding Input Data Setting the Next Dynpro Leaving a Dynpro 881 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^K^^^^^^^^^^t^^wl fcm^^s^mmiimi^sm^ais^^^^^^^^^^^^^h^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^m 34.1 Creating Selection Screens Creating Selection Screens Laying Out Selection Screens

3 Adopting Elements of Other Selection Screens Defining Parameters Data Type of the Parameter Attributes of Screen Elements Attributes of the Value and Passing of Values Defining Selection Criteria Data Type of the low and high Columns Attributes of Screen Elements Attributes of the Value and Passing of Values Addition for Selection Screens of Logical Databases Calling Selection Screens Call via SUBMIT Call via Report Transaction Call via Dialog Transaction Call in the Program Selection-Screen Processing Selection Screen Events PBO Passing Individual Data Passing a Multiple Selection Block Transfer Passing the Data of a Radio Button Group Overall Transfer POH and POV Exit Command Free Selections Free Selections in Logical Databases Free Selections in Any Programs Properties of Classic Lists Lists in ABAP Programs Basic List Details Lists Structure of a List Print Lists Lists and ABAP Objects

4 35.2 Creating Lists Writing Lists Output Length in Lists Processing the Output Formatting the Output Automatic Line Elements List Elements Creating Blank Lines Creating Horizontal Lines Formatting List Sections Controlling Blank Lines Positioning the List Cursor Vertically Positioning the List Cursor Horizontally Fixed Area When Scrolling Horizontally Page Breaks and Print Lists Conditional Page Break Storing Variables in the List Level Processing Lists in the List Buffer Reading List Lines Modifying Scrolling List Lines 993 Lists Reading List Attributes Displaying Lists Calling Basic Lists Leaving the List Display Displaying a List in the Dialog Window GUI Status of a Screen List Title of a Screen List Positioning the Cursor on the List Evaluating the List at the Cursor Position Printing Lists Switching Printing On and Off Print List Levels and Spool Requests Print Parameters Print Control Printing Screen Lists Event Blocks for List Events Events during List Creation

5 Events after User Actions in Displayed Lists Triggering List Events from the Program Storing Messages Behavior of Messages Messages in List Processing Messages in Dialog Processing Messages in Control Processing Messages in Batch Input Messages in Background Processing Messages during Updates Messages Messages in Conversion Routines 1041 in Procedures Messages in RFC Processing Messages in HTTP Servers Sending Messages Specifying a Message Specifying a Character String Message Options 1049 PART 11 Processing External Data ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Database Tables Relational Databases Indexes of Database Tables Open SQL Environment of Open SQL Read Accesses Write Accesses Work Areas for Open SQL Streaming and Locators for Open SQL Treatable Exceptions Object Services Persistence Service

6 Transaction Service Query Service Native SQL Integrating Native SQL Host Variables Cursor Processing Calling Stored Procedures Defining a Database Connection Treatable Exceptions ADBC Executing SQL Statements Preparing SQL Statements Database Connections Exception Class for ADBC Creating Data Clusters Defining Data Clusters Specifying the Memory Medium Treatable Exceptions INDX-Like Database Tables SQL Access to Data Clusters Reading Data Clusters Specifying the Source Specifying the Memory Medium Conversion Additions Text Language Rule Treatable Exceptions Importing the Directory Deleting Data Clusters Deleting Data Clusters in the ABAP Memory System Classes for Data Clusters Properties of the File Interface Addressing Files Authorizations for Accessing Files

7 Locks File Interface and Unicode Opening a File Specifying the Access Type Specifying the Storage Type Specifying the Position Operating System-Dependent Additions Error Handling Treatable Exceptions Writing a File Specifying Lengths Defining the Line End Marker Treatable Exceptions Reading a File Specifying the Maximum Length Determining the Length Read Treatable Exceptions Determining File Attributes Determining the Position Determining Attributes Treatable Exceptions Changing File Attributes Specifying the Position Changing Attributes Treatable Exceptions Changing the File Size 39.8 Closing a File Deleting a File 1238 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 40.1 Database LUW Database Commit Database Rollback Database Commits/Rollbacks for a Database 40.2 SAP LUW Connection Registering Update Function Modules

8 Registering Subroutines Executing an SAP Commit Executing an SAP Rollback Activating a Local Update Database Locks Setting Database Locks Types of Database Locks Isolation Level Deadlock Releasing Database Locks SAP Locks Setting and Checking SAP Locks Releasing SAP Locks Authorizations 1256 PART 12 Program Parameters WmK^^^^^^^^^^^^^^^^^sS^k^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^SSm 41.1 SPA/GPA Parameters SPA/GPA Parameters and ABAP Programs Administrating SPA/GPA Parameters SPA/GPA Parameters and Dynpro Fields Setting SPA/GPA Parameters Reading SPA/GPA Parameters 1265 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 42.1 Text Pools Text Environment Text Environment in Unicode Systems Text Environment in non-unicode Systems Setting the Text Environment Determining the Text Environment Formatting Settings Country-Specific Formats Setting Formatting Settings

9 43.1 System Fields for Date and Time Time Stamps Properties of Time Stamps Creating Current Time Stamp Converting Time Stamp Into Local Time Converting Local Time Into a Time Stamp 1289 PART 13 Program Processing 44.1 Checkpoints Assertions Breakpoints Logpoints Runtime Measurement Relative Program Runtime Setting the Time Resolution Class for Runtime Measurements Runtime Analysis Source Code Dynamic Subroutine Pool Reading a Program Syntax Check Creating or Overwriting a Program Calling the ABAP Editor Text Elements Reading a Text Pool Creating or Overwriting a Text Pool

10 PART 14 Data and Communication interfaces ks^s^^^^^i^^^^^^s^^^^^^^^^^^s^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^s^^^s 46.1 Properties of an RFC RFC Interface RFC Language Elements RFC Destination RFC Context RFC Protocol RFC Exceptions RFC System Fields RFC Authorizations RFC Trust Relationships RFC Dialog Interactions RFC Restrictions Remote Function Call Synchronous Remote Function Call Asynchronous Remote Function Call Background RFC Transactional Remote Function Call XSL Transformations Simple Transformations Canonical XML Representation General Format Mapping ABAP Data Types Calling a Transformation Transformation Source Transformation Result Transformation Parameters Transformation Options Treatable Exceptions 1390 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^a 48.1 Creating an Automation Object Calling an Automation Method

11 ' Contents 48.3 Determining the Attributes of an Automation Object Changing the Attributes of an Automation Object Releasing an Automation Object 1400 PART 15 Enhancements E^^^^^^^^^^^^^H^^^^^^^K-.>"«< 'v ' '-i'-fc.'-. ->;;vr.-.-itxj.-'-.- ''JmUhI 49.1 Implicit Enhancement Options Explicit Enhancement Options Enhancement Option for Point Enhancement Option for Section Enhancement Implementation 1409 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^s 50.1 Creating a BAdI Object Specifying Filter Values Specifying the Context Treatable Exceptions Calling BAdl Methods 1416 PART 16 Obsolete Statements ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^H 51.1 Obsolete Statement Structures Obsolete Pseudo Comments Pseudo Comments for the Extended Program Check Pseudo Comments for Test Classes Obsolete Deactivation of the Program Check 1423 i»mti imii T3nii'i rnfnrbri i j m i,. imbs! 52.1 Obsolete Subroutines Creating a Subroutine Defining a Subroutine in Parts Obsolete Function Module Parameters Declaring Table Parameters

12 Obsolete Typing Global Parameters Obsolete Temporary Storage 1435 pjtbpq^^^^^na 53.1 Obsolete Type Definitions Implicit Type Specifications Unnecessary Length Specifications Anonymous Components Obsolete Declaration and Loading Loading a Type Group Loading a Class or Interface Declaring a Data Object Obsolete Interface Work Areas Common Data Area Additional Table Work Area Obsolete Internal Tables Internal Tables with Header Line Obsolete Declaration of Any Line Types Explicit Declaration of a Header Line Obsolete Declaration of Structured Line Types Obsolete Declaration of Ranges Tables Obsolete Field Symbols Obsolete Typing Obsolete Casting Obsolete Type Reference Obsolete Dialog Modules Suppressing the initial Screen Batch Input Session Parameter Passing Obsolete Function Module Exit Obsolete Function Module Exception Obsolete External Subroutine Call

13 55.5 Obsolete Exiting Obsolete Exiting of Called Programs Obsolete Exiting of Any Processing Blocks 1463 ^^^^M^^3B^S^^3^^^^8m^^^^^^lM''" :- - i. i XmmJI 56.1 Obsolete Logical Expressions Obsolete Relational Operators Obsolete Short Form for Selection Table Obsolete Check of Output Parameters Obsolete Control Structures Obsolete Statements in Case Distinctions Obsolete Branching Obsolete Unconditional Loop Processing Obsolete Conditional Loop Processing Obsolete Exception Handling 1472 ^^^^^^^^^^^^^^S Bill 57.1 Obsolete Percentaged Subfield Obsolete Conversion Obsolete Casting Obsolete Dynamic Memory Area Obsolete Initialization 1478 ^^^^^^^^^^^^^^^^^^^^^ffi--.;.. _.^^^^^^^^^^^^^ Obsolete Addition of Field Sequences Calculating Component by Component 1481 ^^^^^^^S^^^^S^^^^^^^H^^^^^^EJ^^^^H^^^^^^^^^^S si 59.1 Obsolete Search Obsolete Replacement Obsolete Translation Code Page and Number Format Forming Complement on Nine of a Date

14 ^^^H^^3^^^^^^^^^^^^^SM^^^^^^^^^3i^^^^^^^^^^^^^^^^^^^^^^^^^^B 60.1 Obsolete Short Forms Obsolete Key Specifications No Specification Specifying a Subfield of a Line Specifying the Entire Line Obsolete Search Obsolete Assignment of Formatted Character Strings Obsolete Short Form of a Special Statement Obsolete Deletion 1500 I *J K*l^rVin 1^jfl^Wnr:- - -"A--MJH 61.1 Obsolete Dynpro Flow Logic Database Access Checking Values in the Flow Logic Obsolete Subscreen Enhancement Obsolete Step Loop Processing Obsolete List Processing Obsolete Formatting Obsolete Calculations Obsolete List Event Obsolete Printing Obsolete Text Editor Obsolete Database Accesses Obsolete Short Forms in Open SQL Obsolete Cursor Processing in Native SQL Obsolete Access Statements Obsolete Data Cluster Accesses Obsolete Short Forms Obsolete Implicit ID Obsolete Implicit Work Area Obsolete ID Obsolete Contexts Buffering of Contexts Creating Instances of Contexts

15 Providing Contexts with Key Values Querying Contexts Obsolete Logical Databases Interface Work Areas for Logical Databases Statements in Logical Databases Statements for Logical Databases Function Module for Logical Databases Obsolete XML Handling Obsolete CPI-C Interface Obsolete JavaScript Processing 1546 A ABAP Memory Organization 1549 A.1 General Memory Organization 1549 A.1.1 Application Server 1549 A.1.2 User Session 1549 A.1.3 Main Session 1550 A.1.4 Internal Session 1550 A. 2 Programs in the Internal Session 1551 A.2.1 Program Groups 1551 A.2.2 Data Objects 1552 A.2.3 Instances of Classes 1553 A.2.4 Interface Work Areas 1553 A.2.5 Dynpros, Lists, and GUI Status 1553 B Memory Management of Deep Data Objects 1555 B. 1 Memory Requirement of Deep Data Objects 1556 B.2 Maximum Size of Dynamic Data Objects 1557 B.3 Sharing between Dynamic Data Objects 1558 C ABAP Glossary 1561 Index