FIELD-SYMBOLS are like pointers in other programming languages. They don’t store data themselves but rather point to memory locations dynamically. This is especially useful when you don’t know the field or structure you’re working with until runtime. Step 1: Declare an ...
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The Enhancement Category in SAP defines how a structure or table can be enhanced with custom fields by a developer or customer without breaking system integrity or compatibility. In SE11, when you create or display a table or structure, under the ...
Buffering in SAP refers to storing table data in application server memory to reduce repeated database access. It enhances performance by retrieving frequently accessed data from memory instead of querying the database every time. Why Buffer Tables? Speeds up data ...
1. SELECTION-SCREEN BEGIN OF SCREEN As already explained, this defines a custom screen (like a subscreen or popup), which you can call dynamically using CALL SELECTION-SCREEN. SELECTION-SCREEN BEGIN OF SCREEN <screen_number> [AS SUBSCREEN|AS WINDOW] [TITLE <text>]. ... fields ...
Classical Reports in ABAP use a sequence of predefined events during program execution. These events let you structure your code based on data fetching, formatting, and output rendering. Event Description LOAD-OF-PROGRAM Triggered once when the program is loaded into memory (before anything else) INITIALIZATION Called before ...
Common Methods to Remove Leading Zeros in ABAP WRITE statement with NO-ZERO When outputting with WRITE, you can suppress leading zeros like this: code: DATA: lv_num TYPE n LENGTH 10 VALUE ‘0000123456’. WRITE lv_num NO-ZERO. ” Output: 123456 SHIFT statement You can shift the contents to the ...
Joins combine rows from two or more tables based on a related column, usually a key field. ABAP supports various join types (INNER JOIN, LEFT OUTER JOIN, etc.) mostly used inside Open SQL queries. How to Use Joins: SELECT a~vbeln, a~erdat, b~posnr, b~matnr
A Search Help provides F4 help to fields in screens and reports. Types: Elementary Search Help – based on a single table/view. Collective Search Help – combines multiple elementary search helps.
The Table Maintenance Generator allows authorized users or support staff to: Maintain data in custom or standard tables without writing ABAP code. Provide a standardized UI for table maintenance. Enforce data consistency and validation through events and screen logic. Use Case Description Maintain custom config tables Enter ...
You can build a new internal table with only selected entries and fields like this: *&---------------------------------------------------------------------* *& Report ZREP_LCLCLASS *&---------------------------------------------------------------------* *& Demonstrates modern ABAP syntax: REDUCE, FILTER, FOR expressions *&---------------------------------------------------------------------* REPORT zrep_lclclass. *---------------------------- * Example 1: REDUCE Operator *---------------------------- TYPES: BEGIN OF ty_order, id TYPE i, amount TYPE i, END OF ty_order. DATA: lt_orders TYPE STANDARD TABLE OF ty_order WITH EMPTY KEY, lv_total TYPE i. lt_orders = VALUE #( ( id = 1 amount = 100 ) ( id = 2 amount = 250 ) ( id = 3 amount = 150 ) ). lv_total = REDUCE i( INIT sum = 0 FOR order IN lt_orders NEXT sum = sum + order-amount ). WRITE: / '--- REDUCE Example ---', / 'Total Amount:', lv_total. *---------------------------- * Example 2: FILTER Operator *---------------------------- TYPES: BEGIN OF ty_user, name TYPE string, status TYPE string, END OF ty_user. DATA: lt_users TYPE STANDARD TABLE OF ty_user WITH EMPTY KEY, lt_active_users TYPE STANDARD TABLE OF ty_user WITH EMPTY KEY. lt_users = VALUE #( ( name = 'Alice' status = 'ACTIVE' ) ( name = 'Bob' status = 'INACTIVE' ) ( name = 'Charlie' status = 'ACTIVE' ) ). lt_active_users = FILTER #( lt_users WHERE status = 'ACTIVE' ). WRITE: / '--- FILTER Example ---'. LOOP AT lt_active_users INTO DATA(user). WRITE: / user-name, user-status. ENDLOOP. *------------------------------------------------------ * Example 3: FOR Expression - Extract Specific Fields *------------------------------------------------------ DATA: lt_names TYPE STANDARD TABLE OF string WITH EMPTY KEY. lt_names = VALUE string_table( FOR user IN lt_users WHERE ( status = 'ACTIVE' ) ( user-name ) ). WRITE: / '--- FOR Expression Example ---'. LOOP AT lt_names INTO DATA(name). WRITE: / name. ENDLOOP. This creates a new string table containing only the names of users whose status = 'ACTIVE'—short, clean, and readable. Output: — ...