ABAP Select data from SAP table DFKKIP_GRP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKIP_GRP
*  INTO TABLE @DATA(IT_DFKKIP_GRP2).
*--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_DFKKIP_GRP INDEX 1 INTO DATA(WA_DFKKIP_GRP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKIP_GRP>-MANDT = 1.
<DFKKIP_GRP>-PDKEY = 1.
<DFKKIP_GRP>-PDTYP = 1.
<DFKKIP_GRP>-GPARV = 1.
<DFKKIP_GRP>-VKONV = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKIP_GRP-PDREF, sy-vline,
  WA_DFKKIP_GRP-EIGBV, sy-vline,
  WA_DFKKIP_GRP-PYMET, sy-vline,
  WA_DFKKIP_GRP-BKVID, sy-vline,
  WA_DFKKIP_GRP-MNDID, sy-vline,
  WA_DFKKIP_GRP-CCARD_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKIP_GRP 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_DFKKIP_GRP 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_DFKKIP_GRP INTO WA_DFKKIP_GRP.


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

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

*Conversion exit ALPHA, internal->external for field FDGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKIP_GRP-FDGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKIP_GRP-FDGRP.
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_DFKKIP_GRP_STR, 
MANDT TYPE STRING,
PDKEY TYPE STRING,
PDTYP TYPE STRING,
GPARV TYPE STRING,
VKONV TYPE STRING,
PDREF TYPE STRING,
EIGBV TYPE STRING,
PYMET TYPE STRING,
BKVID TYPE STRING,
MNDID TYPE STRING,
CCARD_ID TYPE STRING,
PYBUK TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
DOC1T TYPE STRING,
DOC1R TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
C4EYE TYPE STRING,
DTAWS TYPE STRING,
DTAMS TYPE STRING,
TXTSL TYPE STRING,
TXERG TYPE STRING,
STAIP TYPE STRING,
AUSFD TYPE STRING,
PYTXT TYPE STRING,
XFINI TYPE STRING,
VALTO TYPE STRING,
PYTYP TYPE STRING,
FDGRP TYPE STRING,
FDLEV TYPE STRING,
FDZTG TYPE STRING,
FDWBT TYPE STRING,
SPZAH TYPE STRING,
BETRH TYPE STRING,
HERKF TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
CCFOL TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
CCNAME TYPE STRING,
AUNUM TYPE STRING,
AUDAT TYPE STRING,
AUTIM TYPE STRING,
AUTRA TYPE STRING,
CGUID TYPE STRING,
ENCTP TYPE STRING,
SKTOW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKIP_GRP_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_DFKKIP_GRP_STR-MANDT sy-vline 
WA_DFKKIP_GRP_STR-PDKEY sy-vline 
WA_DFKKIP_GRP_STR-PDTYP sy-vline 
WA_DFKKIP_GRP_STR-GPARV sy-vline 
WA_DFKKIP_GRP_STR-VKONV sy-vline 
WA_DFKKIP_GRP_STR-PDREF sy-vline 
WA_DFKKIP_GRP_STR-EIGBV sy-vline 
WA_DFKKIP_GRP_STR-PYMET sy-vline 
WA_DFKKIP_GRP_STR-BKVID sy-vline 
WA_DFKKIP_GRP_STR-MNDID sy-vline 
WA_DFKKIP_GRP_STR-CCARD_ID sy-vline 
WA_DFKKIP_GRP_STR-PYBUK sy-vline 
WA_DFKKIP_GRP_STR-BETRW sy-vline 
WA_DFKKIP_GRP_STR-WAERS sy-vline 
WA_DFKKIP_GRP_STR-ERNAM sy-vline 
WA_DFKKIP_GRP_STR-ERDAT sy-vline 
WA_DFKKIP_GRP_STR-ERTIM sy-vline 
WA_DFKKIP_GRP_STR-AENAM sy-vline 
WA_DFKKIP_GRP_STR-AEDAT sy-vline 
WA_DFKKIP_GRP_STR-AETIM sy-vline 
WA_DFKKIP_GRP_STR-DOC1T sy-vline 
WA_DFKKIP_GRP_STR-DOC1R sy-vline 
WA_DFKKIP_GRP_STR-LAUFD sy-vline 
WA_DFKKIP_GRP_STR-LAUFI sy-vline 
WA_DFKKIP_GRP_STR-C4EYE sy-vline 
WA_DFKKIP_GRP_STR-DTAWS sy-vline 
WA_DFKKIP_GRP_STR-DTAMS sy-vline 
WA_DFKKIP_GRP_STR-TXTSL sy-vline 
WA_DFKKIP_GRP_STR-TXERG sy-vline 
WA_DFKKIP_GRP_STR-STAIP sy-vline 
WA_DFKKIP_GRP_STR-AUSFD sy-vline 
WA_DFKKIP_GRP_STR-PYTXT sy-vline 
WA_DFKKIP_GRP_STR-XFINI sy-vline 
WA_DFKKIP_GRP_STR-VALTO sy-vline 
WA_DFKKIP_GRP_STR-PYTYP sy-vline 
WA_DFKKIP_GRP_STR-FDGRP sy-vline 
WA_DFKKIP_GRP_STR-FDLEV sy-vline 
WA_DFKKIP_GRP_STR-FDZTG sy-vline 
WA_DFKKIP_GRP_STR-FDWBT sy-vline 
WA_DFKKIP_GRP_STR-SPZAH sy-vline 
WA_DFKKIP_GRP_STR-BETRH sy-vline 
WA_DFKKIP_GRP_STR-HERKF sy-vline 
WA_DFKKIP_GRP_STR-CCINS sy-vline 
WA_DFKKIP_GRP_STR-CCNUM sy-vline 
WA_DFKKIP_GRP_STR-CCFOL sy-vline 
WA_DFKKIP_GRP_STR-DATAB sy-vline 
WA_DFKKIP_GRP_STR-DATBI sy-vline 
WA_DFKKIP_GRP_STR-CCNAME sy-vline 
WA_DFKKIP_GRP_STR-AUNUM sy-vline 
WA_DFKKIP_GRP_STR-AUDAT sy-vline 
WA_DFKKIP_GRP_STR-AUTIM sy-vline 
WA_DFKKIP_GRP_STR-AUTRA sy-vline 
WA_DFKKIP_GRP_STR-CGUID sy-vline 
WA_DFKKIP_GRP_STR-ENCTP sy-vline 
WA_DFKKIP_GRP_STR-SKTOW sy-vline      INTO ld_text SEPARATED BY SPACE.

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