ABAP Select data from SAP table FOAP_S_RFKUML00_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_RFKUML00_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_RFKUML00_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_RFKUML00_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_RFKUML00_LIST1 TYPE STANDARD TABLE OF FOAP_S_RFKUML00_LIST1,
      WA_FOAP_S_RFKUML00_LIST1 TYPE FOAP_S_RFKUML00_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_RFKUML00_LIST1> TYPE FOAP_S_RFKUML00_LIST1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FOAP_S_RFKUML00_LIST1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FOAP_S_RFKUML00_LIST1
  INTO TABLE IT_FOAP_S_RFKUML00_LIST1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FOAP_S_RFKUML00_LIST1
*  INTO TABLE @DATA(IT_FOAP_S_RFKUML00_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_RFKUML00_LIST1 INDEX 1 INTO DATA(WA_FOAP_S_RFKUML00_LIST12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FOAP_S_RFKUML00_LIST1 ASSIGNING <FOAP_S_RFKUML00_LIST1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FOAP_S_RFKUML00_LIST1>-BUKRS = 1.
<FOAP_S_RFKUML00_LIST1>-LIFNR = 1.
<FOAP_S_RFKUML00_LIST1>-AKONT = 1.
<FOAP_S_RFKUML00_LIST1>-NAME = 1.
<FOAP_S_RFKUML00_LIST1>-LAND1 = 1.

ENDLOOP.

LOOP AT IT_FOAP_S_RFKUML00_LIST1 INTO WA_FOAP_S_RFKUML00_LIST1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FOAP_S_RFKUML00_LIST1-PSTLZ, sy-vline,
  WA_FOAP_S_RFKUML00_LIST1-ORT01, sy-vline,
  WA_FOAP_S_RFKUML00_LIST1-STREET, sy-vline,
  WA_FOAP_S_RFKUML00_LIST1-REGIO, sy-vline,
  WA_FOAP_S_RFKUML00_LIST1-CURRENCY, sy-vline,
  WA_FOAP_S_RFKUML00_LIST1-UMSTZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FOAP_S_RFKUML00_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_RFKUML00_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_RFKUML00_LIST1 INTO WA_FOAP_S_RFKUML00_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_RFKUML00_LIST1-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOAP_S_RFKUML00_LIST1-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FOAP_S_RFKUML00_LIST1-AKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOAP_S_RFKUML00_LIST1-AKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field UMSTZ
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FOAP_S_RFKUML00_LIST1-UMSTZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOAP_S_RFKUML00_LIST1-UMSTZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field CPDUMSATZ
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FOAP_S_RFKUML00_LIST1-CPDUMSATZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOAP_S_RFKUML00_LIST1-CPDUMSATZ.
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_RFKUML00_LIST1_STR, 
BUKRS TYPE STRING,
LIFNR TYPE STRING,
AKONT TYPE STRING,
NAME TYPE STRING,
LAND1 TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
STREET TYPE STRING,
REGIO TYPE STRING,
CURRENCY TYPE STRING,
UMSTZ TYPE STRING,
CPDUMSATZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FOAP_S_RFKUML00_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_RFKUML00_LIST1_STR-BUKRS sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-LIFNR sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-AKONT sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-NAME sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-LAND1 sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-PSTLZ sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-ORT01 sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-STREET sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-REGIO sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-CURRENCY sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-UMSTZ sy-vline 
WA_FOAP_S_RFKUML00_LIST1_STR-CPDUMSATZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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