ABAP Select data from SAP table HRDEBW_DSLW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDEBW_DSLW
*  INTO TABLE @DATA(IT_HRDEBW_DSLW2).
*--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_HRDEBW_DSLW INDEX 1 INTO DATA(WA_HRDEBW_DSLW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDEBW_DSLW>-KE = 1.
<HRDEBW_DSLW>-VF = 1.
<HRDEBW_DSLW>-BBNRAB = 1.
<HRDEBW_DSLW>-BBNREP = 1.
<HRDEBW_DSLW>-VERNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDEBW_DSLW-ED, sy-vline,
  WA_HRDEBW_DSLW-FEKZ, sy-vline,
  WA_HRDEBW_DSLW-FEAN, sy-vline,
  WA_HRDEBW_DSLW-KVNR, sy-vline,
  WA_HRDEBW_DSLW-BBNRVU, sy-vline,
  WA_HRDEBW_DSLW-AZVU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDEBW_DSLW 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_HRDEBW_DSLW 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_HRDEBW_DSLW INTO WA_HRDEBW_DSLW.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HRDEBW_DSLW_STR, 
KE TYPE STRING,
VF TYPE STRING,
BBNRAB TYPE STRING,
BBNREP TYPE STRING,
VERNR TYPE STRING,
ED TYPE STRING,
FEKZ TYPE STRING,
FEAN TYPE STRING,
KVNR TYPE STRING,
BBNRVU TYPE STRING,
AZVU TYPE STRING,
BBNRKK TYPE STRING,
AZKK TYPE STRING,
BBNRAS TYPE STRING,
GD TYPE STRING,
MMME TYPE STRING,
MMNA TYPE STRING,
MMAN TYPE STRING,
MMKI TYPE STRING,
MMMU TYPE STRING,
MMVO TYPE STRING,
GBDT TYPE STRING,
KNZST TYPE STRING,
MMAL TYPE STRING,
MMAE TYPE STRING,
MMZK TYPE STRING,
MMZE TYPE STRING,
MMFZ TYPE STRING,
MMFR TYPE STRING,
MMUN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDEBW_DSLW_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_HRDEBW_DSLW_STR-KE sy-vline 
WA_HRDEBW_DSLW_STR-VF sy-vline 
WA_HRDEBW_DSLW_STR-BBNRAB sy-vline 
WA_HRDEBW_DSLW_STR-BBNREP sy-vline 
WA_HRDEBW_DSLW_STR-VERNR sy-vline 
WA_HRDEBW_DSLW_STR-ED sy-vline 
WA_HRDEBW_DSLW_STR-FEKZ sy-vline 
WA_HRDEBW_DSLW_STR-FEAN sy-vline 
WA_HRDEBW_DSLW_STR-KVNR sy-vline 
WA_HRDEBW_DSLW_STR-BBNRVU sy-vline 
WA_HRDEBW_DSLW_STR-AZVU sy-vline 
WA_HRDEBW_DSLW_STR-BBNRKK sy-vline 
WA_HRDEBW_DSLW_STR-AZKK sy-vline 
WA_HRDEBW_DSLW_STR-BBNRAS sy-vline 
WA_HRDEBW_DSLW_STR-GD sy-vline 
WA_HRDEBW_DSLW_STR-MMME sy-vline 
WA_HRDEBW_DSLW_STR-MMNA sy-vline 
WA_HRDEBW_DSLW_STR-MMAN sy-vline 
WA_HRDEBW_DSLW_STR-MMKI sy-vline 
WA_HRDEBW_DSLW_STR-MMMU sy-vline 
WA_HRDEBW_DSLW_STR-MMVO sy-vline 
WA_HRDEBW_DSLW_STR-GBDT sy-vline 
WA_HRDEBW_DSLW_STR-KNZST sy-vline 
WA_HRDEBW_DSLW_STR-MMAL sy-vline 
WA_HRDEBW_DSLW_STR-MMAE sy-vline 
WA_HRDEBW_DSLW_STR-MMZK sy-vline 
WA_HRDEBW_DSLW_STR-MMZE sy-vline 
WA_HRDEBW_DSLW_STR-MMFZ sy-vline 
WA_HRDEBW_DSLW_STR-MMFR sy-vline 
WA_HRDEBW_DSLW_STR-MMUN sy-vline      INTO ld_text SEPARATED BY SPACE.

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