ABAP Select data from SAP table HRDESV_A1_S_DXAV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_A1_S_DXAV 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_A1_S_DXAV. 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_A1_S_DXAV 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_A1_S_DXAV TYPE STANDARD TABLE OF HRDESV_A1_S_DXAV,
      WA_HRDESV_A1_S_DXAV TYPE HRDESV_A1_S_DXAV,
      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_A1_S_DXAV> TYPE HRDESV_A1_S_DXAV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDESV_A1_S_DXAV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDESV_A1_S_DXAV
  INTO TABLE IT_HRDESV_A1_S_DXAV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_A1_S_DXAV
*  INTO TABLE @DATA(IT_HRDESV_A1_S_DXAV2).
*--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_A1_S_DXAV INDEX 1 INTO DATA(WA_HRDESV_A1_S_DXAV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDESV_A1_S_DXAV ASSIGNING <HRDESV_A1_S_DXAV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_A1_S_DXAV>-VERNR = 1.
<HRDESV_A1_S_DXAV>-BBNRAB = 1.
<HRDESV_A1_S_DXAV>-BBNREP = 1.
<HRDESV_A1_S_DXAV>-ED = 1.
<HRDESV_A1_S_DXAV>-DSID = 1.

ENDLOOP.

LOOP AT IT_HRDESV_A1_S_DXAV INTO WA_HRDESV_A1_S_DXAV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_A1_S_DXAV-KENNZST, sy-vline,
  WA_HRDESV_A1_S_DXAV-DSID_URSPRUNG, sy-vline,
  WA_HRDESV_A1_S_DXAV-VORGID, sy-vline,
  WA_HRDESV_A1_S_DXAV-PRODID, sy-vline,
  WA_HRDESV_A1_S_DXAV-MODID, sy-vline,
  WA_HRDESV_A1_S_DXAV-AZVU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_A1_S_DXAV 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_A1_S_DXAV 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_A1_S_DXAV INTO WA_HRDESV_A1_S_DXAV.


*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_A1_S_DXAV_STR, 
VERNR TYPE STRING,
BBNRAB TYPE STRING,
BBNREP TYPE STRING,
ED TYPE STRING,
DSID TYPE STRING,
KENNZST TYPE STRING,
DSID_URSPRUNG TYPE STRING,
VORGID TYPE STRING,
PRODID TYPE STRING,
MODID TYPE STRING,
AZVU TYPE STRING,
GESCHLECHT TYPE STRING,
VORNAME TYPE STRING,
FAMILIENNAME TYPE STRING,
VORSATZ TYPE STRING,
ZUSATZ TYPE STRING,
TITEL TYPE STRING,
VSNR TYPE STRING,
GEBNAME TYPE STRING,
GEBDATUM TYPE STRING,
GEBORT TYPE STRING,
GEBLAND TYPE STRING,
SASC TYPE STRING,
KZ_ANTRAG_PFL TYPE STRING,
KZ_ANGABEN TYPE STRING,
KZ_INFO_1 TYPE STRING,
KZ_INFO_2 TYPE STRING,
KZ_INFO_3 TYPE STRING,
KZ_INFO_4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_A1_S_DXAV_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_A1_S_DXAV_STR-VERNR sy-vline 
WA_HRDESV_A1_S_DXAV_STR-BBNRAB sy-vline 
WA_HRDESV_A1_S_DXAV_STR-BBNREP sy-vline 
WA_HRDESV_A1_S_DXAV_STR-ED sy-vline 
WA_HRDESV_A1_S_DXAV_STR-DSID sy-vline 
WA_HRDESV_A1_S_DXAV_STR-KENNZST sy-vline 
WA_HRDESV_A1_S_DXAV_STR-DSID_URSPRUNG sy-vline 
WA_HRDESV_A1_S_DXAV_STR-VORGID sy-vline 
WA_HRDESV_A1_S_DXAV_STR-PRODID sy-vline 
WA_HRDESV_A1_S_DXAV_STR-MODID sy-vline 
WA_HRDESV_A1_S_DXAV_STR-AZVU sy-vline 
WA_HRDESV_A1_S_DXAV_STR-GESCHLECHT sy-vline 
WA_HRDESV_A1_S_DXAV_STR-VORNAME sy-vline 
WA_HRDESV_A1_S_DXAV_STR-FAMILIENNAME sy-vline 
WA_HRDESV_A1_S_DXAV_STR-VORSATZ sy-vline 
WA_HRDESV_A1_S_DXAV_STR-ZUSATZ sy-vline 
WA_HRDESV_A1_S_DXAV_STR-TITEL sy-vline 
WA_HRDESV_A1_S_DXAV_STR-VSNR sy-vline 
WA_HRDESV_A1_S_DXAV_STR-GEBNAME sy-vline 
WA_HRDESV_A1_S_DXAV_STR-GEBDATUM sy-vline 
WA_HRDESV_A1_S_DXAV_STR-GEBORT sy-vline 
WA_HRDESV_A1_S_DXAV_STR-GEBLAND sy-vline 
WA_HRDESV_A1_S_DXAV_STR-SASC sy-vline 
WA_HRDESV_A1_S_DXAV_STR-KZ_ANTRAG_PFL sy-vline 
WA_HRDESV_A1_S_DXAV_STR-KZ_ANGABEN sy-vline 
WA_HRDESV_A1_S_DXAV_STR-KZ_INFO_1 sy-vline 
WA_HRDESV_A1_S_DXAV_STR-KZ_INFO_2 sy-vline 
WA_HRDESV_A1_S_DXAV_STR-KZ_INFO_3 sy-vline 
WA_HRDESV_A1_S_DXAV_STR-KZ_INFO_4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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