ABAP Select data from SAP table BBKPF_FM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBKPF_FM
*  INTO TABLE @DATA(IT_BBKPF_FM2).
*--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_BBKPF_FM INDEX 1 INTO DATA(WA_BBKPF_FM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBKPF_FM>-STYPE = 1.
<BBKPF_FM>-TCODE = 1.
<BBKPF_FM>-BLDAT = 1.
<BBKPF_FM>-BLART = 1.
<BBKPF_FM>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBKPF_FM-BUDAT, sy-vline,
  WA_BBKPF_FM-MONAT, sy-vline,
  WA_BBKPF_FM-WAERS, sy-vline,
  WA_BBKPF_FM-KURSF, sy-vline,
  WA_BBKPF_FM-BELNR, sy-vline,
  WA_BBKPF_FM-WWERT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BBKPF_FM 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_BBKPF_FM 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_BBKPF_FM INTO WA_BBKPF_FM.


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

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

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

*Conversion exit ALPHA, internal->external for field DBBLG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBKPF_FM-DBBLG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBKPF_FM-DBBLG.
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_BBKPF_FM_STR, 
STYPE TYPE STRING,
TCODE TYPE STRING,
BLDAT TYPE STRING,
BLART TYPE STRING,
BUKRS TYPE STRING,
BUDAT TYPE STRING,
MONAT TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
BELNR TYPE STRING,
WWERT TYPE STRING,
XBLNR TYPE STRING,
BVORG TYPE STRING,
BKTXT TYPE STRING,
PARGB TYPE STRING,
AUGLV TYPE STRING,
VBUND TYPE STRING,
XMWST TYPE STRING,
DOCID TYPE STRING,
BARCD TYPE STRING,
STODT TYPE STRING,
BRNCH TYPE STRING,
NUMPG TYPE STRING,
STGRD TYPE STRING,
KURSF_M TYPE STRING,
AUGTX TYPE STRING,
XPRFG TYPE STRING,
PSOTY TYPE STRING,
PSOAK TYPE STRING,
PSOKS TYPE STRING,
PSOSG TYPE STRING,
PSOFN TYPE STRING,
LOTKZ TYPE STRING,
XLOTE TYPE STRING,
PSODT TYPE STRING,
PSOTM TYPE STRING,
DBBLG TYPE STRING,
LOTEXNO TYPE STRING,
SENDE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBKPF_FM_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_BBKPF_FM_STR-STYPE sy-vline 
WA_BBKPF_FM_STR-TCODE sy-vline 
WA_BBKPF_FM_STR-BLDAT sy-vline 
WA_BBKPF_FM_STR-BLART sy-vline 
WA_BBKPF_FM_STR-BUKRS sy-vline 
WA_BBKPF_FM_STR-BUDAT sy-vline 
WA_BBKPF_FM_STR-MONAT sy-vline 
WA_BBKPF_FM_STR-WAERS sy-vline 
WA_BBKPF_FM_STR-KURSF sy-vline 
WA_BBKPF_FM_STR-BELNR sy-vline 
WA_BBKPF_FM_STR-WWERT sy-vline 
WA_BBKPF_FM_STR-XBLNR sy-vline 
WA_BBKPF_FM_STR-BVORG sy-vline 
WA_BBKPF_FM_STR-BKTXT sy-vline 
WA_BBKPF_FM_STR-PARGB sy-vline 
WA_BBKPF_FM_STR-AUGLV sy-vline 
WA_BBKPF_FM_STR-VBUND sy-vline 
WA_BBKPF_FM_STR-XMWST sy-vline 
WA_BBKPF_FM_STR-DOCID sy-vline 
WA_BBKPF_FM_STR-BARCD sy-vline 
WA_BBKPF_FM_STR-STODT sy-vline 
WA_BBKPF_FM_STR-BRNCH sy-vline 
WA_BBKPF_FM_STR-NUMPG sy-vline 
WA_BBKPF_FM_STR-STGRD sy-vline 
WA_BBKPF_FM_STR-KURSF_M sy-vline 
WA_BBKPF_FM_STR-AUGTX sy-vline 
WA_BBKPF_FM_STR-XPRFG sy-vline 
WA_BBKPF_FM_STR-PSOTY sy-vline 
WA_BBKPF_FM_STR-PSOAK sy-vline 
WA_BBKPF_FM_STR-PSOKS sy-vline 
WA_BBKPF_FM_STR-PSOSG sy-vline 
WA_BBKPF_FM_STR-PSOFN sy-vline 
WA_BBKPF_FM_STR-LOTKZ sy-vline 
WA_BBKPF_FM_STR-XLOTE sy-vline 
WA_BBKPF_FM_STR-PSODT sy-vline 
WA_BBKPF_FM_STR-PSOTM sy-vline 
WA_BBKPF_FM_STR-DBBLG sy-vline 
WA_BBKPF_FM_STR-LOTEXNO sy-vline 
WA_BBKPF_FM_STR-SENDE sy-vline      INTO ld_text SEPARATED BY SPACE.

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