ABAP Select data from SAP table HRDEZS_DSVZ_V03 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDEZS_DSVZ_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 HRDEZS_DSVZ_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 HRDEZS_DSVZ_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_HRDEZS_DSVZ_V03 TYPE STANDARD TABLE OF HRDEZS_DSVZ_V03,
      WA_HRDEZS_DSVZ_V03 TYPE HRDEZS_DSVZ_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: <HRDEZS_DSVZ_V03> TYPE HRDEZS_DSVZ_V03.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDEZS_DSVZ_V03.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDEZS_DSVZ_V03
  INTO TABLE IT_HRDEZS_DSVZ_V03.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDEZS_DSVZ_V03
*  INTO TABLE @DATA(IT_HRDEZS_DSVZ_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_HRDEZS_DSVZ_V03 INDEX 1 INTO DATA(WA_HRDEZS_DSVZ_V032).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDEZS_DSVZ_V03 ASSIGNING <HRDEZS_DSVZ_V03>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDEZS_DSVZ_V03>-DSVZ_KE = 1.
<HRDEZS_DSVZ_V03>-DSVZ_VF = 1.
<HRDEZS_DSVZ_V03>-DSVZ_BBNRAB = 1.
<HRDEZS_DSVZ_V03>-DSVZ_BBNREP = 1.
<HRDEZS_DSVZ_V03>-DSVZ_VERNR = 1.

ENDLOOP.

LOOP AT IT_HRDEZS_DSVZ_V03 INTO WA_HRDEZS_DSVZ_V03.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDEZS_DSVZ_V03-DSVZ_ED, sy-vline,
  WA_HRDEZS_DSVZ_V03-DSVZ_FEKZ, sy-vline,
  WA_HRDEZS_DSVZ_V03-DSVZ_FEAN, sy-vline,
  WA_HRDEZS_DSVZ_V03-DSVZ_RESERVE1, sy-vline,
  WA_HRDEZS_DSVZ_V03-DSVZ_BBNRVU, sy-vline,
  WA_HRDEZS_DSVZ_V03-DSVZ_AZVU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDEZS_DSVZ_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_HRDEZS_DSVZ_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_HRDEZS_DSVZ_V03 INTO WA_HRDEZS_DSVZ_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_HRDEZS_DSVZ_V03_STR, 
DSVZ_KE TYPE STRING,
DSVZ_VF TYPE STRING,
DSVZ_BBNRAB TYPE STRING,
DSVZ_BBNREP TYPE STRING,
DSVZ_VERNR TYPE STRING,
DSVZ_ED TYPE STRING,
DSVZ_FEKZ TYPE STRING,
DSVZ_FEAN TYPE STRING,
DSVZ_RESERVE1 TYPE STRING,
DSVZ_BBNRVU TYPE STRING,
DSVZ_AZVU TYPE STRING,
DSVZ_BBNRKK TYPE STRING,
DSVZ_AZKK TYPE STRING,
DSVZ_BBNRAS TYPE STRING,
DSVZ_RESERVE2 TYPE STRING,
DSVZ_GD TYPE STRING,
DSVZ_PRODID TYPE STRING,
DSVZ_MODID TYPE STRING,
DSVZ_DSID TYPE STRING,
DSVZ_RESERVE3 TYPE STRING,
DSVZ_MMZK TYPE STRING,
DSVZ_MMNA TYPE STRING,
DSVZ_MMGA TYPE STRING,
DSVZ_MMKZ TYPE STRING,
DSVZ_MMAN TYPE STRING,
DSVZ_RESERVE5 TYPE STRING,
DSVZ_VSNR TYPE STRING,
DSVZ_RESERVE4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDEZS_DSVZ_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_HRDEZS_DSVZ_V03_STR-DSVZ_KE sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_VF sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_BBNRAB sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_BBNREP sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_VERNR sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_ED sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_FEKZ sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_FEAN sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_RESERVE1 sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_BBNRVU sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_AZVU sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_BBNRKK sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_AZKK sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_BBNRAS sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_RESERVE2 sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_GD sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_PRODID sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_MODID sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_DSID sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_RESERVE3 sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_MMZK sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_MMNA sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_MMGA sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_MMKZ sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_MMAN sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_RESERVE5 sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_VSNR sy-vline 
WA_HRDEZS_DSVZ_V03_STR-DSVZ_RESERVE4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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