ABAP Select data from SAP table HRDESV_D3_S_DSME_V03 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_D3_S_DSME_V03 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 HRDESV_D3_S_DSME_V03. 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 HRDESV_D3_S_DSME_V03 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_HRDESV_D3_S_DSME_V03 TYPE STANDARD TABLE OF HRDESV_D3_S_DSME_V03,
      WA_HRDESV_D3_S_DSME_V03 TYPE HRDESV_D3_S_DSME_V03,
      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: <HRDESV_D3_S_DSME_V03> TYPE HRDESV_D3_S_DSME_V03.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDESV_D3_S_DSME_V03.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDESV_D3_S_DSME_V03
  INTO TABLE IT_HRDESV_D3_S_DSME_V03.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_D3_S_DSME_V03
*  INTO TABLE @DATA(IT_HRDESV_D3_S_DSME_V032).
*--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_HRDESV_D3_S_DSME_V03 INDEX 1 INTO DATA(WA_HRDESV_D3_S_DSME_V032).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDESV_D3_S_DSME_V03 ASSIGNING <HRDESV_D3_S_DSME_V03>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_D3_S_DSME_V03>-VF = 1.
<HRDESV_D3_S_DSME_V03>-BBNRAB = 1.
<HRDESV_D3_S_DSME_V03>-BBNREP = 1.
<HRDESV_D3_S_DSME_V03>-VERNR = 1.
<HRDESV_D3_S_DSME_V03>-ED = 1.

ENDLOOP.

LOOP AT IT_HRDESV_D3_S_DSME_V03 INTO WA_HRDESV_D3_S_DSME_V03.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_D3_S_DSME_V03-FEKZ, sy-vline,
  WA_HRDESV_D3_S_DSME_V03-FEAN, sy-vline,
  WA_HRDESV_D3_S_DSME_V03-VSNR, sy-vline,
  WA_HRDESV_D3_S_DSME_V03-RESERVE1, sy-vline,
  WA_HRDESV_D3_S_DSME_V03-BBNRVU, sy-vline,
  WA_HRDESV_D3_S_DSME_V03-AZVU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_D3_S_DSME_V03 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_HRDESV_D3_S_DSME_V03 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_HRDESV_D3_S_DSME_V03 INTO WA_HRDESV_D3_S_DSME_V03.


*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_HRDESV_D3_S_DSME_V03_STR, 
VF TYPE STRING,
BBNRAB TYPE STRING,
BBNREP TYPE STRING,
VERNR TYPE STRING,
ED TYPE STRING,
FEKZ TYPE STRING,
FEAN TYPE STRING,
VSNR TYPE STRING,
RESERVE1 TYPE STRING,
BBNRVU TYPE STRING,
AZVU TYPE STRING,
BBNRKK TYPE STRING,
AZKK TYPE STRING,
BBNRAS TYPE STRING,
PERSGR TYPE STRING,
GD TYPE STRING,
SASC TYPE STRING,
MMME TYPE STRING,
MMNA TYPE STRING,
MMGB TYPE STRING,
MMAN TYPE STRING,
MMEU TYPE STRING,
MMUV TYPE STRING,
MMKS TYPE STRING,
MMSV TYPE STRING,
MMVR TYPE STRING,
MMRG TYPE STRING,
KENNZUE TYPE STRING,
MMUEB TYPE STRING,
RESERVE2 TYPE STRING,
MMSO TYPE STRING,
KENNZSTA TYPE STRING,
RESERVE3 TYPE STRING,
RESERVE4 TYPE STRING,
MMKV TYPE STRING,
RESERVE5 TYPE STRING,
RESERVE6 TYPE STRING,
NEBENVERNR TYPE STRING,
PRODID TYPE STRING,
MODID TYPE STRING,
DSID TYPE STRING,
RESERVE7 TYPE STRING,
MMBF TYPE STRING,
RESERVE8 TYPE STRING,
RESERVE9 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_D3_S_DSME_V03_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_HRDESV_D3_S_DSME_V03_STR-VF sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-BBNRAB sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-BBNREP sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-VERNR sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-ED sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-FEKZ sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-FEAN sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-VSNR sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE1 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-BBNRVU sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-AZVU sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-BBNRKK sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-AZKK sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-BBNRAS sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-PERSGR sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-GD sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-SASC sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMME sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMNA sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMGB sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMAN sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMEU sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMUV sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMKS sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMSV sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMVR sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMRG sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-KENNZUE sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMUEB sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE2 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMSO sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-KENNZSTA sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE3 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE4 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMKV sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE5 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE6 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-NEBENVERNR sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-PRODID sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MODID sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-DSID sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE7 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-MMBF sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE8 sy-vline 
WA_HRDESV_D3_S_DSME_V03_STR-RESERVE9 sy-vline      INTO ld_text SEPARATED BY SPACE.

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