ABAP Select data from SAP table RFKIP_GRP_DAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFKIP_GRP_DAT
*  INTO TABLE @DATA(IT_RFKIP_GRP_DAT2).
*--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_RFKIP_GRP_DAT INDEX 1 INTO DATA(WA_RFKIP_GRP_DAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFKIP_GRP_DAT>-PDTYP = 1.
<RFKIP_GRP_DAT>-GPARV = 1.
<RFKIP_GRP_DAT>-VKONV = 1.
<RFKIP_GRP_DAT>-PDREF = 1.
<RFKIP_GRP_DAT>-EIGBV = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFKIP_GRP_DAT-PYMET, sy-vline,
  WA_RFKIP_GRP_DAT-BKVID, sy-vline,
  WA_RFKIP_GRP_DAT-MNDID, sy-vline,
  WA_RFKIP_GRP_DAT-CCARD_ID, sy-vline,
  WA_RFKIP_GRP_DAT-PYBUK, sy-vline,
  WA_RFKIP_GRP_DAT-BETRW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFKIP_GRP_DAT 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_RFKIP_GRP_DAT 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_RFKIP_GRP_DAT INTO WA_RFKIP_GRP_DAT.


*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_RFKIP_GRP_DAT-GPARV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKIP_GRP_DAT-GPARV.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field FDGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFKIP_GRP_DAT-FDGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKIP_GRP_DAT-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_RFKIP_GRP_DAT_STR, 
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_RFKIP_GRP_DAT_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_RFKIP_GRP_DAT_STR-PDTYP sy-vline 
WA_RFKIP_GRP_DAT_STR-GPARV sy-vline 
WA_RFKIP_GRP_DAT_STR-VKONV sy-vline 
WA_RFKIP_GRP_DAT_STR-PDREF sy-vline 
WA_RFKIP_GRP_DAT_STR-EIGBV sy-vline 
WA_RFKIP_GRP_DAT_STR-PYMET sy-vline 
WA_RFKIP_GRP_DAT_STR-BKVID sy-vline 
WA_RFKIP_GRP_DAT_STR-MNDID sy-vline 
WA_RFKIP_GRP_DAT_STR-CCARD_ID sy-vline 
WA_RFKIP_GRP_DAT_STR-PYBUK sy-vline 
WA_RFKIP_GRP_DAT_STR-BETRW sy-vline 
WA_RFKIP_GRP_DAT_STR-WAERS sy-vline 
WA_RFKIP_GRP_DAT_STR-ERNAM sy-vline 
WA_RFKIP_GRP_DAT_STR-ERDAT sy-vline 
WA_RFKIP_GRP_DAT_STR-ERTIM sy-vline 
WA_RFKIP_GRP_DAT_STR-AENAM sy-vline 
WA_RFKIP_GRP_DAT_STR-AEDAT sy-vline 
WA_RFKIP_GRP_DAT_STR-AETIM sy-vline 
WA_RFKIP_GRP_DAT_STR-DOC1T sy-vline 
WA_RFKIP_GRP_DAT_STR-DOC1R sy-vline 
WA_RFKIP_GRP_DAT_STR-LAUFD sy-vline 
WA_RFKIP_GRP_DAT_STR-LAUFI sy-vline 
WA_RFKIP_GRP_DAT_STR-C4EYE sy-vline 
WA_RFKIP_GRP_DAT_STR-DTAWS sy-vline 
WA_RFKIP_GRP_DAT_STR-DTAMS sy-vline 
WA_RFKIP_GRP_DAT_STR-TXTSL sy-vline 
WA_RFKIP_GRP_DAT_STR-TXERG sy-vline 
WA_RFKIP_GRP_DAT_STR-STAIP sy-vline 
WA_RFKIP_GRP_DAT_STR-AUSFD sy-vline 
WA_RFKIP_GRP_DAT_STR-PYTXT sy-vline 
WA_RFKIP_GRP_DAT_STR-XFINI sy-vline 
WA_RFKIP_GRP_DAT_STR-VALTO sy-vline 
WA_RFKIP_GRP_DAT_STR-PYTYP sy-vline 
WA_RFKIP_GRP_DAT_STR-FDGRP sy-vline 
WA_RFKIP_GRP_DAT_STR-FDLEV sy-vline 
WA_RFKIP_GRP_DAT_STR-FDZTG sy-vline 
WA_RFKIP_GRP_DAT_STR-FDWBT sy-vline 
WA_RFKIP_GRP_DAT_STR-SPZAH sy-vline 
WA_RFKIP_GRP_DAT_STR-BETRH sy-vline 
WA_RFKIP_GRP_DAT_STR-HERKF sy-vline 
WA_RFKIP_GRP_DAT_STR-CCINS sy-vline 
WA_RFKIP_GRP_DAT_STR-CCNUM sy-vline 
WA_RFKIP_GRP_DAT_STR-CCFOL sy-vline 
WA_RFKIP_GRP_DAT_STR-DATAB sy-vline 
WA_RFKIP_GRP_DAT_STR-DATBI sy-vline 
WA_RFKIP_GRP_DAT_STR-CCNAME sy-vline 
WA_RFKIP_GRP_DAT_STR-AUNUM sy-vline 
WA_RFKIP_GRP_DAT_STR-AUDAT sy-vline 
WA_RFKIP_GRP_DAT_STR-AUTIM sy-vline 
WA_RFKIP_GRP_DAT_STR-AUTRA sy-vline 
WA_RFKIP_GRP_DAT_STR-CGUID sy-vline 
WA_RFKIP_GRP_DAT_STR-ENCTP sy-vline 
WA_RFKIP_GRP_DAT_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.