ABAP Select data from SAP table HRDESV_EL_S_DBFA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_EL_S_DBFA 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_EL_S_DBFA. 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_EL_S_DBFA 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_EL_S_DBFA TYPE STANDARD TABLE OF HRDESV_EL_S_DBFA,
      WA_HRDESV_EL_S_DBFA TYPE HRDESV_EL_S_DBFA,
      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_EL_S_DBFA> TYPE HRDESV_EL_S_DBFA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_EL_S_DBFA
*  INTO TABLE @DATA(IT_HRDESV_EL_S_DBFA2).
*--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_EL_S_DBFA INDEX 1 INTO DATA(WA_HRDESV_EL_S_DBFA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_EL_S_DBFA>-NAME1FA = 1.
<HRDESV_EL_S_DBFA>-NAME2FA = 1.
<HRDESV_EL_S_DBFA>-NAME3FA = 1.
<HRDESV_EL_S_DBFA>-FIRMLDKZ = 1.
<HRDESV_EL_S_DBFA>-FIRMPLZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_EL_S_DBFA-FIRMORT, sy-vline,
  WA_HRDESV_EL_S_DBFA-FIRMSTR, sy-vline,
  WA_HRDESV_EL_S_DBFA-FIRMHAUSNR, sy-vline,
  WA_HRDESV_EL_S_DBFA-FIRMADRZU, sy-vline,
  WA_HRDESV_EL_S_DBFA-FIRMAP, sy-vline,
  WA_HRDESV_EL_S_DBFA-FIRMTEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_EL_S_DBFA 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_EL_S_DBFA 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_EL_S_DBFA INTO WA_HRDESV_EL_S_DBFA.


*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_EL_S_DBFA_STR, 
NAME1FA TYPE STRING,
NAME2FA TYPE STRING,
NAME3FA TYPE STRING,
FIRMLDKZ TYPE STRING,
FIRMPLZ TYPE STRING,
FIRMORT TYPE STRING,
FIRMSTR TYPE STRING,
FIRMHAUSNR TYPE STRING,
FIRMADRZU TYPE STRING,
FIRMAP TYPE STRING,
FIRMTEL TYPE STRING,
FIRMEMAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_EL_S_DBFA_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_EL_S_DBFA_STR-NAME1FA sy-vline 
WA_HRDESV_EL_S_DBFA_STR-NAME2FA sy-vline 
WA_HRDESV_EL_S_DBFA_STR-NAME3FA sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMLDKZ sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMPLZ sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMORT sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMSTR sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMHAUSNR sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMADRZU sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMAP sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMTEL sy-vline 
WA_HRDESV_EL_S_DBFA_STR-FIRMEMAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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