ABAP Select data from SAP table HRDESV_BD_S_DSBD_LOG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_BD_S_DSBD_LOG 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_BD_S_DSBD_LOG. 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_BD_S_DSBD_LOG 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_BD_S_DSBD_LOG TYPE STANDARD TABLE OF HRDESV_BD_S_DSBD_LOG,
      WA_HRDESV_BD_S_DSBD_LOG TYPE HRDESV_BD_S_DSBD_LOG,
      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_BD_S_DSBD_LOG> TYPE HRDESV_BD_S_DSBD_LOG.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_BD_S_DSBD_LOG
*  INTO TABLE @DATA(IT_HRDESV_BD_S_DSBD_LOG2).
*--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_BD_S_DSBD_LOG INDEX 1 INTO DATA(WA_HRDESV_BD_S_DSBD_LOG2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_BD_S_DSBD_LOG-BBNRBS, sy-vline,
  WA_HRDESV_BD_S_DSBD_LOG-BBNRAS, sy-vline,
  WA_HRDESV_BD_S_DSBD_LOG-GD, sy-vline,
  WA_HRDESV_BD_S_DSBD_LOG-GD_BEZ, sy-vline,
  WA_HRDESV_BD_S_DSBD_LOG-NAME1, sy-vline,
  WA_HRDESV_BD_S_DSBD_LOG-NAME2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_BD_S_DSBD_LOG 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_BD_S_DSBD_LOG 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_BD_S_DSBD_LOG INTO WA_HRDESV_BD_S_DSBD_LOG.


*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_BD_S_DSBD_LOG_STR, 
VF TYPE STRING,
BBNRAB TYPE STRING,
BBNREP TYPE STRING,
VERNR TYPE STRING,
ED TYPE STRING,
BBNRBS TYPE STRING,
BBNRAS TYPE STRING,
GD TYPE STRING,
GD_BEZ TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
PLZZU TYPE STRING,
ORT TYPE STRING,
STR TYPE STRING,
HNR TYPE STRING,
PLZPO TYPE STRING,
POSTFACH TYPE STRING,
RUHEND TYPE STRING,
RUHEND_BEZ TYPE STRING,
BBNRME TYPE STRING,
ANRAP TYPE STRING,
NAMEAP TYPE STRING,
TELAP TYPE STRING,
FAXAP TYPE STRING,
EMAILAP TYPE STRING,
AZVU TYPE STRING,
DSID TYPE STRING,
BBNRKK TYPE STRING,
MMKA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_BD_S_DSBD_LOG_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_BD_S_DSBD_LOG_STR-VF sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-BBNRAB sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-BBNREP sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-VERNR sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-ED sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-BBNRBS sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-BBNRAS sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-GD sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-GD_BEZ sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-NAME1 sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-NAME2 sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-NAME3 sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-PLZZU sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-ORT sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-STR sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-HNR sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-PLZPO sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-POSTFACH sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-RUHEND sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-RUHEND_BEZ sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-BBNRME sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-ANRAP sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-NAMEAP sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-TELAP sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-FAXAP sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-EMAILAP sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-AZVU sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-DSID sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-BBNRKK sy-vline 
WA_HRDESV_BD_S_DSBD_LOG_STR-MMKA sy-vline      INTO ld_text SEPARATED BY SPACE.

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