ABAP Select data from SAP table REEXC_PAYMENT_TERM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REEXC_PAYMENT_TERM table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to REEXC_PAYMENT_TERM. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the REEXC_PAYMENT_TERM table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_REEXC_PAYMENT_TERM TYPE STANDARD TABLE OF REEXC_PAYMENT_TERM,
      WA_REEXC_PAYMENT_TERM TYPE REEXC_PAYMENT_TERM,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <REEXC_PAYMENT_TERM> TYPE REEXC_PAYMENT_TERM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_REEXC_PAYMENT_TERM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM REEXC_PAYMENT_TERM
  INTO TABLE IT_REEXC_PAYMENT_TERM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REEXC_PAYMENT_TERM
*  INTO TABLE @DATA(IT_REEXC_PAYMENT_TERM2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_REEXC_PAYMENT_TERM INDEX 1 INTO DATA(WA_REEXC_PAYMENT_TERM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_REEXC_PAYMENT_TERM ASSIGNING <REEXC_PAYMENT_TERM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REEXC_PAYMENT_TERM>-MANDT = 1.
<REEXC_PAYMENT_TERM>-ZTERM = 1.
<REEXC_PAYMENT_TERM>-ZTAGG = 1.
<REEXC_PAYMENT_TERM>-ZDART = 1.
<REEXC_PAYMENT_TERM>-ZFAEL = 1.

ENDLOOP.

LOOP AT IT_REEXC_PAYMENT_TERM INTO WA_REEXC_PAYMENT_TERM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REEXC_PAYMENT_TERM-ZMONA, sy-vline,
  WA_REEXC_PAYMENT_TERM-ZTAG1, sy-vline,
  WA_REEXC_PAYMENT_TERM-ZPRZ1, sy-vline,
  WA_REEXC_PAYMENT_TERM-ZTAG2, sy-vline,
  WA_REEXC_PAYMENT_TERM-ZPRZ2, sy-vline,
  WA_REEXC_PAYMENT_TERM-ZTAG3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REEXC_PAYMENT_TERM you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_REEXC_PAYMENT_TERM TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_REEXC_PAYMENT_TERM INTO WA_REEXC_PAYMENT_TERM.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_REEXC_PAYMENT_TERM_STR, 
MANDT TYPE STRING,
ZTERM TYPE STRING,
ZTAGG TYPE STRING,
ZDART TYPE STRING,
ZFAEL TYPE STRING,
ZMONA TYPE STRING,
ZTAG1 TYPE STRING,
ZPRZ1 TYPE STRING,
ZTAG2 TYPE STRING,
ZPRZ2 TYPE STRING,
ZTAG3 TYPE STRING,
ZSTG1 TYPE STRING,
ZSMN1 TYPE STRING,
ZSTG2 TYPE STRING,
ZSMN2 TYPE STRING,
ZSTG3 TYPE STRING,
ZSMN3 TYPE STRING,
XZBRV TYPE STRING,
ZSCHF TYPE STRING,
XCHPB TYPE STRING,
TXN08 TYPE STRING,
ZLSCH TYPE STRING,
XCHPM TYPE STRING,
KOART TYPE STRING,
XSPLT TYPE STRING,
XSCRC TYPE STRING,
F_OBSOLETE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REEXC_PAYMENT_TERM_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_REEXC_PAYMENT_TERM_STR-MANDT sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZTERM sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZTAGG sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZDART sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZFAEL sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZMONA sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZTAG1 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZPRZ1 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZTAG2 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZPRZ2 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZTAG3 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZSTG1 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZSMN1 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZSTG2 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZSMN2 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZSTG3 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZSMN3 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-XZBRV sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZSCHF sy-vline 
WA_REEXC_PAYMENT_TERM_STR-XCHPB sy-vline 
WA_REEXC_PAYMENT_TERM_STR-TXN08 sy-vline 
WA_REEXC_PAYMENT_TERM_STR-ZLSCH sy-vline 
WA_REEXC_PAYMENT_TERM_STR-XCHPM sy-vline 
WA_REEXC_PAYMENT_TERM_STR-KOART sy-vline 
WA_REEXC_PAYMENT_TERM_STR-XSPLT sy-vline 
WA_REEXC_PAYMENT_TERM_STR-XSCRC sy-vline 
WA_REEXC_PAYMENT_TERM_STR-F_OBSOLETE sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.