ABAP Select data from SAP table FOAP_S_SAPMF02K_LIST1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FOAP_S_SAPMF02K_LIST1 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 FOAP_S_SAPMF02K_LIST1. 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 FOAP_S_SAPMF02K_LIST1 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_FOAP_S_SAPMF02K_LIST1 TYPE STANDARD TABLE OF FOAP_S_SAPMF02K_LIST1,
      WA_FOAP_S_SAPMF02K_LIST1 TYPE FOAP_S_SAPMF02K_LIST1,
      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: <FOAP_S_SAPMF02K_LIST1> TYPE FOAP_S_SAPMF02K_LIST1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FOAP_S_SAPMF02K_LIST1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FOAP_S_SAPMF02K_LIST1
  INTO TABLE IT_FOAP_S_SAPMF02K_LIST1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FOAP_S_SAPMF02K_LIST1
*  INTO TABLE @DATA(IT_FOAP_S_SAPMF02K_LIST12).
*--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_FOAP_S_SAPMF02K_LIST1 INDEX 1 INTO DATA(WA_FOAP_S_SAPMF02K_LIST12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FOAP_S_SAPMF02K_LIST1 ASSIGNING <FOAP_S_SAPMF02K_LIST1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FOAP_S_SAPMF02K_LIST1>-MANDT = 1.
<FOAP_S_SAPMF02K_LIST1>-LIFNR = 1.
<FOAP_S_SAPMF02K_LIST1>-CHECKBOX = 1.
<FOAP_S_SAPMF02K_LIST1>-LTSNR = 1.
<FOAP_S_SAPMF02K_LIST1>-WERKS = 1.

ENDLOOP.

LOOP AT IT_FOAP_S_SAPMF02K_LIST1 INTO WA_FOAP_S_SAPMF02K_LIST1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FOAP_S_SAPMF02K_LIST1-WAERS, sy-vline,
  WA_FOAP_S_SAPMF02K_LIST1-ZTERM, sy-vline,
  WA_FOAP_S_SAPMF02K_LIST1-INCO1, sy-vline,
  WA_FOAP_S_SAPMF02K_LIST1-INCO2, sy-vline,
  WA_FOAP_S_SAPMF02K_LIST1-MINBW, sy-vline,
  WA_FOAP_S_SAPMF02K_LIST1-KALSK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FOAP_S_SAPMF02K_LIST1 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_FOAP_S_SAPMF02K_LIST1 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_FOAP_S_SAPMF02K_LIST1 INTO WA_FOAP_S_SAPMF02K_LIST1.


*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.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FOAP_S_SAPMF02K_LIST1-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOAP_S_SAPMF02K_LIST1-LIFNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_FOAP_S_SAPMF02K_LIST1_STR, 
MANDT TYPE STRING,
LIFNR TYPE STRING,
CHECKBOX TYPE STRING,
LTSNR TYPE STRING,
WERKS TYPE STRING,
WAERS TYPE STRING,
ZTERM TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
MINBW TYPE STRING,
KALSK TYPE STRING,
MEPRF TYPE STRING,
BOPNR TYPE STRING,
VERKF TYPE STRING,
TELF1 TYPE STRING,
EIKTO TYPE STRING,
WEBRE TYPE STRING,
XERSY TYPE STRING,
XERSR TYPE STRING,
KZABS TYPE STRING,
KZAUT TYPE STRING,
BOLRE TYPE STRING,
BOIND TYPE STRING,
UMSAE TYPE STRING,
BLIND TYPE STRING,
KZRET TYPE STRING,
LEBRE TYPE STRING,
LFABC TYPE STRING,
EXPVZ TYPE STRING,
ZOLLA TYPE STRING,
SKRIT TYPE STRING,
PAPRF TYPE STRING,
XNBWY TYPE STRING,
NRGEW TYPE STRING,
PRFRE TYPE STRING,
AGREL TYPE STRING,
VSBED TYPE STRING,
EKGRP TYPE STRING,
PLIFZ TYPE STRING,
DISPO TYPE STRING,
MRPPP TYPE STRING,
LFRHY TYPE STRING,
BSTAE TYPE STRING,
RDPRF TYPE STRING,
MEGRU TYPE STRING,
ABUEB TYPE STRING,
LIPRE TYPE STRING,
LISER TYPE STRING,
LIBES TYPE STRING,
VENSL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FOAP_S_SAPMF02K_LIST1_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_FOAP_S_SAPMF02K_LIST1_STR-MANDT sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LIFNR sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-CHECKBOX sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LTSNR sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-WERKS sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-WAERS sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-ZTERM sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-INCO1 sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-INCO2 sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-MINBW sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-KALSK sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-MEPRF sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-BOPNR sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-VERKF sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-TELF1 sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-EIKTO sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-WEBRE sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-XERSY sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-XERSR sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-KZABS sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-KZAUT sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-BOLRE sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-BOIND sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-UMSAE sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-BLIND sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-KZRET sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LEBRE sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LFABC sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-EXPVZ sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-ZOLLA sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-SKRIT sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-PAPRF sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-XNBWY sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-NRGEW sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-PRFRE sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-AGREL sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-VSBED sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-EKGRP sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-PLIFZ sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-DISPO sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-MRPPP sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LFRHY sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-BSTAE sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-RDPRF sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-MEGRU sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-ABUEB sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LIPRE sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LISER sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-LIBES sy-vline 
WA_FOAP_S_SAPMF02K_LIST1_STR-VENSL sy-vline      INTO ld_text SEPARATED BY SPACE.

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