ABAP Select data from SAP table HRDESV_EE_S_DSLW_V09 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_EE_S_DSLW_V09 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_EE_S_DSLW_V09. 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_EE_S_DSLW_V09 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_EE_S_DSLW_V09 TYPE STANDARD TABLE OF HRDESV_EE_S_DSLW_V09,
      WA_HRDESV_EE_S_DSLW_V09 TYPE HRDESV_EE_S_DSLW_V09,
      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_EE_S_DSLW_V09> TYPE HRDESV_EE_S_DSLW_V09.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDESV_EE_S_DSLW_V09.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDESV_EE_S_DSLW_V09
  INTO TABLE IT_HRDESV_EE_S_DSLW_V09.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_EE_S_DSLW_V09
*  INTO TABLE @DATA(IT_HRDESV_EE_S_DSLW_V092).
*--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_EE_S_DSLW_V09 INDEX 1 INTO DATA(WA_HRDESV_EE_S_DSLW_V092).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDESV_EE_S_DSLW_V09 ASSIGNING <HRDESV_EE_S_DSLW_V09>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_EE_S_DSLW_V09>-VF = 1.
<HRDESV_EE_S_DSLW_V09>-BBNRAB = 1.
<HRDESV_EE_S_DSLW_V09>-BBNREP = 1.
<HRDESV_EE_S_DSLW_V09>-VERNR = 1.
<HRDESV_EE_S_DSLW_V09>-ED = 1.

ENDLOOP.

LOOP AT IT_HRDESV_EE_S_DSLW_V09 INTO WA_HRDESV_EE_S_DSLW_V09.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_EE_S_DSLW_V09-FEKZ, sy-vline,
  WA_HRDESV_EE_S_DSLW_V09-FEAN, sy-vline,
  WA_HRDESV_EE_S_DSLW_V09-VSNR, sy-vline,
  WA_HRDESV_EE_S_DSLW_V09-GBDT, sy-vline,
  WA_HRDESV_EE_S_DSLW_V09-BBNRVU, sy-vline,
  WA_HRDESV_EE_S_DSLW_V09-DSID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_EE_S_DSLW_V09 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_EE_S_DSLW_V09 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_EE_S_DSLW_V09 INTO WA_HRDESV_EE_S_DSLW_V09.


*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_EE_S_DSLW_V09_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,
GBDT TYPE STRING,
BBNRVU TYPE STRING,
DSID TYPE STRING,
PRODID TYPE STRING,
MODID TYPE STRING,
RESERVE TYPE STRING,
RESERVE2 TYPE STRING,
BBNRKK TYPE STRING,
BBNRST TYPE STRING,
EERUECK TYPE STRING,
ABGRD TYPE STRING,
KENNZST TYPE STRING,
MMNA TYPE STRING,
MMAN TYPE STRING,
MMAL TYPE STRING,
MMAE TYPE STRING,
MMZA TYPE STRING,
MMEE TYPE STRING,
MMAW TYPE STRING,
MMFR TYPE STRING,
MMUN TYPE STRING,
MMMU TYPE STRING,
MMVO TYPE STRING,
MMHE TYPE STRING,
MMBE TYPE STRING,
MMLT TYPE STRING,
MMSF TYPE STRING,
MMTK TYPE STRING,
MMAP TYPE STRING,
MMID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_EE_S_DSLW_V09_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_EE_S_DSLW_V09_STR-VF sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-BBNRAB sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-BBNREP sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-VERNR sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-ED sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-FEKZ sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-FEAN sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-VSNR sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-GBDT sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-BBNRVU sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-DSID sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-PRODID sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MODID sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-RESERVE sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-RESERVE2 sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-BBNRKK sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-BBNRST sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-EERUECK sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-ABGRD sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-KENNZST sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMNA sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMAN sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMAL sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMAE sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMZA sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMEE sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMAW sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMFR sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMUN sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMMU sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMVO sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMHE sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMBE sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMLT sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMSF sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMTK sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMAP sy-vline 
WA_HRDESV_EE_S_DSLW_V09_STR-MMID sy-vline      INTO ld_text SEPARATED BY SPACE.

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