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SAP EWM Help Latest Questions

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: — ...

REDUCE is used to aggregate values like totals, counts, etc., in a clean, functional style. *&---------------------------------------------------------------------* *& Report  ZREP_LCLCLASS *& *&---------------------------------------------------------------------* *& *& *&---------------------------------------------------------------------* REPORT zrep_lclclass. 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: / 'Total Amount:', lv_total. Output: Total Amount: 500