ABAP Select data from SAP table F50F into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP F50F 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 F50F. 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 F50F 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_F50F TYPE STANDARD TABLE OF F50F,
      WA_F50F TYPE F50F,
      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: <F50F> TYPE F50F.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_F50F.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM F50F
  INTO TABLE IT_F50F.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM F50F
*  INTO TABLE @DATA(IT_F50F2).
*--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_F50F INDEX 1 INTO DATA(WA_F50F2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_F50F ASSIGNING <F50F>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<F50F>-VRANL = 1.
<F50F>-BRANL = 1.
<F50F>-VBUDAT = 1.
<F50F>-BBUDAT = 1.
<F50F>-VSBEWART = 1.

ENDLOOP.

LOOP AT IT_F50F INTO WA_F50F.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_F50F-BSBEWART, sy-vline,
  WA_F50F-STIDAT, sy-vline,
  WA_F50F-VDMBTR, sy-vline,
  WA_F50F-BDMBTR, sy-vline,
  WA_F50F-TEXT01, sy-vline,
  WA_F50F-TEXT02, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_F50F 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_F50F 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_F50F INTO WA_F50F.


*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 VRANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_F50F-VRANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F50F-VRANL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BRANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_F50F-BRANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F50F-BRANL.
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_F50F_STR, 
VRANL TYPE STRING,
BRANL TYPE STRING,
VBUDAT TYPE STRING,
BBUDAT TYPE STRING,
VSBEWART TYPE STRING,
BSBEWART TYPE STRING,
STIDAT TYPE STRING,
VDMBTR TYPE STRING,
BDMBTR TYPE STRING,
TEXT01 TYPE STRING,
TEXT02 TYPE STRING,
TEXT03 TYPE STRING,
ZLSCH TYPE STRING,
VALUT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_F50F_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_F50F_STR-VRANL sy-vline 
WA_F50F_STR-BRANL sy-vline 
WA_F50F_STR-VBUDAT sy-vline 
WA_F50F_STR-BBUDAT sy-vline 
WA_F50F_STR-VSBEWART sy-vline 
WA_F50F_STR-BSBEWART sy-vline 
WA_F50F_STR-STIDAT sy-vline 
WA_F50F_STR-VDMBTR sy-vline 
WA_F50F_STR-BDMBTR sy-vline 
WA_F50F_STR-TEXT01 sy-vline 
WA_F50F_STR-TEXT02 sy-vline 
WA_F50F_STR-TEXT03 sy-vline 
WA_F50F_STR-ZLSCH sy-vline 
WA_F50F_STR-VALUT sy-vline      INTO ld_text SEPARATED BY SPACE.

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