ABAP Select data from SAP table FKC_MIG_DUN_BONIDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKC_MIG_DUN_BONIDATA
*  INTO TABLE @DATA(IT_FKC_MIG_DUN_BONIDATA2).
*--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_FKC_MIG_DUN_BONIDATA INDEX 1 INTO DATA(WA_FKC_MIG_DUN_BONIDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKC_MIG_DUN_BONIDATA>-GPART = 1.
<FKC_MIG_DUN_BONIDATA>-VKONT = 1.
<FKC_MIG_DUN_BONIDATA>-BONMA = 1.
<FKC_MIG_DUN_BONIDATA>-BONVH = 1.
<FKC_MIG_DUN_BONIDATA>-BMADT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKC_MIG_DUN_BONIDATA-AUSDT, sy-vline,
  WA_FKC_MIG_DUN_BONIDATA-FRDAT, sy-vline,
  WA_FKC_MIG_DUN_BONIDATA-MGE1M, sy-vline,
  WA_FKC_MIG_DUN_BONIDATA-MG1BL, sy-vline,
  WA_FKC_MIG_DUN_BONIDATA-MGE2M, sy-vline,
  WA_FKC_MIG_DUN_BONIDATA-MG2BL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKC_MIG_DUN_BONIDATA 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_FKC_MIG_DUN_BONIDATA 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_FKC_MIG_DUN_BONIDATA INTO WA_FKC_MIG_DUN_BONIDATA.


*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_FKC_MIG_DUN_BONIDATA-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_MIG_DUN_BONIDATA-GPART.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field MG1BL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_MIG_DUN_BONIDATA-MG1BL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_MIG_DUN_BONIDATA-MG1BL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MG2BL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_MIG_DUN_BONIDATA-MG2BL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_MIG_DUN_BONIDATA-MG2BL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MG3BL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_MIG_DUN_BONIDATA-MG3BL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_MIG_DUN_BONIDATA-MG3BL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MIBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_MIG_DUN_BONIDATA-MIBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_MIG_DUN_BONIDATA-MIBEL.
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_FKC_MIG_DUN_BONIDATA_STR, 
GPART TYPE STRING,
VKONT TYPE STRING,
BONMA TYPE STRING,
BONVH TYPE STRING,
BMADT TYPE STRING,
AUSDT TYPE STRING,
FRDAT TYPE STRING,
MGE1M TYPE STRING,
MG1BL TYPE STRING,
MGE2M TYPE STRING,
MG2BL TYPE STRING,
MGE3M TYPE STRING,
MG3BL TYPE STRING,
MINTM TYPE STRING,
MIBEL TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKC_MIG_DUN_BONIDATA_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_FKC_MIG_DUN_BONIDATA_STR-GPART sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-VKONT sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-BONMA sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-BONVH sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-BMADT sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-AUSDT sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-FRDAT sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MGE1M sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MG1BL sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MGE2M sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MG2BL sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MGE3M sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MG3BL sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MINTM sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-MIBEL sy-vline 
WA_FKC_MIG_DUN_BONIDATA_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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