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Relational Operators for Character-Like Data Types

This example demonstrates the relational operators for character-like data types.

Other versions: 7.31 | 7.40 | 7.54

Source Code

    TYPES:
      BEGIN OF result,
        operand TYPE string,
        result  TYPE string,
        fdpos   TYPE sy-fdpos,
      END OF result.
    DATA results TYPE STANDARD TABLE OF result WITH EMPTY KEY.

    DATA: f1 TYPE c LENGTH 5 VALUE 'BD   ',
          f2 TYPE c LENGTH 5 VALUE 'ABCDE'.
    cl_demo_input=>new(
      )->add_field( CHANGING field = f1
      )->add_field( CHANGING field = f2 )->request( ).

    results = VALUE #( BASE results
     ( operand = 'CO'
       result     = COND #( WHEN f1 CO f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).
    results = VALUE #( BASE results
     ( operand = 'CN'
       result     = COND #( WHEN f1 CN f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).
    results = VALUE #( BASE results
     ( operand = 'CA'
       result     = COND #( WHEN f1 CA f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).
    results = VALUE #( BASE results
     ( operand = 'NA'
       result     = COND #( WHEN f1 NA f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).
    results = VALUE #( BASE results
     ( operand = 'CS'
       result     = COND #( WHEN f1 CS f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).
    results = VALUE #( BASE results
     ( operand = 'NS'
       result     = COND #( WHEN f1 NS f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).
    results = VALUE #( BASE results
     ( operand = 'CP'
       result     = COND #( WHEN f1 CP f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).
    results = VALUE #( BASE results
     ( operand = 'NP'
       result     = COND #( WHEN f1 NP f2 THEN abap_true )
       fdpos      = sy-fdpos ) ).

    cl_demo_output=>new(
      )->write( |'{ f1 WIDTH = 5 }' operand '{ f2 WIDTH = 5 }'|
      )->display( results ).

Description

Text fields with length 5 can be given different content and compared with each other using the available relational operators.