ABAP Select data from SAP table FKKOPBW_BASIC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKOPBW_BASIC
*  INTO TABLE @DATA(IT_FKKOPBW_BASIC2).
*--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_FKKOPBW_BASIC INDEX 1 INTO DATA(WA_FKKOPBW_BASIC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKOPBW_BASIC>-MANDT = 1.
<FKKOPBW_BASIC>-LAUFD = 1.
<FKKOPBW_BASIC>-LAUFI = 1.
<FKKOPBW_BASIC>-INTNR = 1.
<FKKOPBW_BASIC>-RECNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKOPBW_BASIC-KEYDT, sy-vline,
  WA_FKKOPBW_BASIC-RECCOUNT, sy-vline,
  WA_FKKOPBW_BASIC-BUKRS, sy-vline,
  WA_FKKOPBW_BASIC-GSBER, sy-vline,
  WA_FKKOPBW_BASIC-SPART, sy-vline,
  WA_FKKOPBW_BASIC-GPART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKOPBW_BASIC 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_FKKOPBW_BASIC 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_FKKOPBW_BASIC INTO WA_FKKOPBW_BASIC.


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

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

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

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FKKOPBW_BASIC-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKOPBW_BASIC-FIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKOPBW_BASIC-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKOPBW_BASIC-GRANT_NBR.
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_FKKOPBW_BASIC_STR, 
MANDT TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
INTNR TYPE STRING,
RECNO TYPE STRING,
KEYDT TYPE STRING,
RECCOUNT TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
SPART TYPE STRING,
GPART TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
VKONT TYPE STRING,
BUDAT TYPE STRING,
FAEDN TYPE STRING,
BETRH TYPE STRING,
HWAER TYPE STRING,
MAHNS TYPE STRING,
INKPS TYPE STRING,
MAHNV TYPE STRING,
ADDRNUMBER TYPE STRING,
POST_CODE1 TYPE STRING,
COUNTRY TYPE STRING,
DELAY TYPE STRING,
FIPEX TYPE STRING,
FISTL TYPE STRING,
FONDS TYPE STRING,
FKBER TYPE STRING,
MEASURE TYPE STRING,
GRANT_NBR TYPE STRING,
ORIGFIKRS TYPE STRING,
BUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKOPBW_BASIC_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_FKKOPBW_BASIC_STR-MANDT sy-vline 
WA_FKKOPBW_BASIC_STR-LAUFD sy-vline 
WA_FKKOPBW_BASIC_STR-LAUFI sy-vline 
WA_FKKOPBW_BASIC_STR-INTNR sy-vline 
WA_FKKOPBW_BASIC_STR-RECNO sy-vline 
WA_FKKOPBW_BASIC_STR-KEYDT sy-vline 
WA_FKKOPBW_BASIC_STR-RECCOUNT sy-vline 
WA_FKKOPBW_BASIC_STR-BUKRS sy-vline 
WA_FKKOPBW_BASIC_STR-GSBER sy-vline 
WA_FKKOPBW_BASIC_STR-SPART sy-vline 
WA_FKKOPBW_BASIC_STR-GPART sy-vline 
WA_FKKOPBW_BASIC_STR-BETRW sy-vline 
WA_FKKOPBW_BASIC_STR-WAERS sy-vline 
WA_FKKOPBW_BASIC_STR-VKONT sy-vline 
WA_FKKOPBW_BASIC_STR-BUDAT sy-vline 
WA_FKKOPBW_BASIC_STR-FAEDN sy-vline 
WA_FKKOPBW_BASIC_STR-BETRH sy-vline 
WA_FKKOPBW_BASIC_STR-HWAER sy-vline 
WA_FKKOPBW_BASIC_STR-MAHNS sy-vline 
WA_FKKOPBW_BASIC_STR-INKPS sy-vline 
WA_FKKOPBW_BASIC_STR-MAHNV sy-vline 
WA_FKKOPBW_BASIC_STR-ADDRNUMBER sy-vline 
WA_FKKOPBW_BASIC_STR-POST_CODE1 sy-vline 
WA_FKKOPBW_BASIC_STR-COUNTRY sy-vline 
WA_FKKOPBW_BASIC_STR-DELAY sy-vline 
WA_FKKOPBW_BASIC_STR-FIPEX sy-vline 
WA_FKKOPBW_BASIC_STR-FISTL sy-vline 
WA_FKKOPBW_BASIC_STR-FONDS sy-vline 
WA_FKKOPBW_BASIC_STR-FKBER sy-vline 
WA_FKKOPBW_BASIC_STR-MEASURE sy-vline 
WA_FKKOPBW_BASIC_STR-GRANT_NBR sy-vline 
WA_FKKOPBW_BASIC_STR-ORIGFIKRS sy-vline 
WA_FKKOPBW_BASIC_STR-BUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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