ABAP Select data from SAP table FKK_SUBSET_DFKKREP06 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_SUBSET_DFKKREP06 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 FKK_SUBSET_DFKKREP06. 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 FKK_SUBSET_DFKKREP06 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_FKK_SUBSET_DFKKREP06 TYPE STANDARD TABLE OF FKK_SUBSET_DFKKREP06,
      WA_FKK_SUBSET_DFKKREP06 TYPE FKK_SUBSET_DFKKREP06,
      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: <FKK_SUBSET_DFKKREP06> TYPE FKK_SUBSET_DFKKREP06.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKK_SUBSET_DFKKREP06.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKK_SUBSET_DFKKREP06
  INTO TABLE IT_FKK_SUBSET_DFKKREP06.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_SUBSET_DFKKREP06
*  INTO TABLE @DATA(IT_FKK_SUBSET_DFKKREP062).
*--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_FKK_SUBSET_DFKKREP06 INDEX 1 INTO DATA(WA_FKK_SUBSET_DFKKREP062).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKK_SUBSET_DFKKREP06 ASSIGNING <FKK_SUBSET_DFKKREP06>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_SUBSET_DFKKREP06>-OPBEL = 1.
<FKK_SUBSET_DFKKREP06>-OPUPK = 1.
<FKK_SUBSET_DFKKREP06>-GPART = 1.
<FKK_SUBSET_DFKKREP06>-VINFO = 1.
<FKK_SUBSET_DFKKREP06>-TZAHL = 1.

ENDLOOP.

LOOP AT IT_FKK_SUBSET_DFKKREP06 INTO WA_FKK_SUBSET_DFKKREP06.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_SUBSET_DFKKREP06-BUKRS, sy-vline,
  WA_FKK_SUBSET_DFKKREP06-BUPLA, sy-vline,
  WA_FKK_SUBSET_DFKKREP06-HKONT, sy-vline,
  WA_FKK_SUBSET_DFKKREP06-MWSKZ, sy-vline,
  WA_FKK_SUBSET_DFKKREP06-STRKZ, sy-vline,
  WA_FKK_SUBSET_DFKKREP06-STPRZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_SUBSET_DFKKREP06 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_FKK_SUBSET_DFKKREP06 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_FKK_SUBSET_DFKKREP06 INTO WA_FKK_SUBSET_DFKKREP06.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUBSET_DFKKREP06-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUBSET_DFKKREP06-OPBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUBSET_DFKKREP06-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUBSET_DFKKREP06-GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUBSET_DFKKREP06-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUBSET_DFKKREP06-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXBEL, internal->external for field XBLNR
CALL FUNCTION 'CONVERSION_EXIT_EXBEL_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUBSET_DFKKREP06-XBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUBSET_DFKKREP06-XBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUBSET_DFKKREP06-AUBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUBSET_DFKKREP06-AUBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_SUBSET_DFKKREP06-REFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_SUBSET_DFKKREP06-REFNR.
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_FKK_SUBSET_DFKKREP06_STR, 
OPBEL TYPE STRING,
OPUPK TYPE STRING,
GPART TYPE STRING,
VINFO TYPE STRING,
TZAHL TYPE STRING,
BUKRS TYPE STRING,
BUPLA TYPE STRING,
HKONT TYPE STRING,
MWSKZ TYPE STRING,
STRKZ TYPE STRING,
STPRZ TYPE STRING,
SBASH TYPE STRING,
SBASW TYPE STRING,
SBETH TYPE STRING,
SBETW TYPE STRING,
HWAER TYPE STRING,
TWAER TYPE STRING,
UBDAT TYPE STRING,
ULDAT TYPE STRING,
FAEDN TYPE STRING,
VMDAT TYPE STRING,
XBLNR TYPE STRING,
KTOSL TYPE STRING,
AUBEL TYPE STRING,
REFNR TYPE STRING,
XSTOR TYPE STRING,
GEBTH TYPE STRING,
GEBTW TYPE STRING,
EXBEL_BETRH TYPE STRING,
EXBEL_BETRW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_SUBSET_DFKKREP06_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_FKK_SUBSET_DFKKREP06_STR-OPBEL sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-OPUPK sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-GPART sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-VINFO sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-TZAHL sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-BUKRS sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-BUPLA sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-HKONT sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-MWSKZ sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-STRKZ sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-STPRZ sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-SBASH sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-SBASW sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-SBETH sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-SBETW sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-HWAER sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-TWAER sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-UBDAT sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-ULDAT sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-FAEDN sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-VMDAT sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-XBLNR sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-KTOSL sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-AUBEL sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-REFNR sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-XSTOR sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-GEBTH sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-GEBTW sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-EXBEL_BETRH sy-vline 
WA_FKK_SUBSET_DFKKREP06_STR-EXBEL_BETRW sy-vline      INTO ld_text SEPARATED BY SPACE.

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