ABAP Select data from SAP table HRDESV_BN_BWXX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_BN_BWXX 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_BN_BWXX. 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_BN_BWXX 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_BN_BWXX TYPE STANDARD TABLE OF HRDESV_BN_BWXX,
      WA_HRDESV_BN_BWXX TYPE HRDESV_BN_BWXX,
      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_BN_BWXX> TYPE HRDESV_BN_BWXX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_BN_BWXX
*  INTO TABLE @DATA(IT_HRDESV_BN_BWXX2).
*--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_BN_BWXX INDEX 1 INTO DATA(WA_HRDESV_BN_BWXX2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_BN_BWXX-ED, sy-vline,
  WA_HRDESV_BN_BWXX-FEKZ, sy-vline,
  WA_HRDESV_BN_BWXX-FEAN, sy-vline,
  WA_HRDESV_BN_BWXX-DSID, sy-vline,
  WA_HRDESV_BN_BWXX-AZKK, sy-vline,
  WA_HRDESV_BN_BWXX-KEART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_BN_BWXX 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_BN_BWXX 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_BN_BWXX INTO WA_HRDESV_BN_BWXX.


*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_BN_BWXX_STR, 
KE TYPE STRING,
VF TYPE STRING,
BBNRAB TYPE STRING,
BBNREP TYPE STRING,
VERNR TYPE STRING,
ED TYPE STRING,
FEKZ TYPE STRING,
FEAN TYPE STRING,
DSID TYPE STRING,
AZKK TYPE STRING,
KEART TYPE STRING,
KEINSBN TYPE STRING,
KEKORR TYPE STRING,
BBNRAG TYPE STRING,
ZRBEG TYPE STRING,
ZREND TYPE STRING,
VZKV1 TYPE STRING,
KVBEITR1 TYPE STRING,
VZKV2 TYPE STRING,
KVBEITR2 TYPE STRING,
VZKV3 TYPE STRING,
KVBEITR3 TYPE STRING,
VZPV TYPE STRING,
PVBEITR TYPE STRING,
VZRV1 TYPE STRING,
RVBEITR1 TYPE STRING,
VZAV1 TYPE STRING,
AVBEITR1 TYPE STRING,
VZRV3 TYPE STRING,
RVBEITR3 TYPE STRING,
VZINSG TYPE STRING,
INSGU TYPE STRING,
VZAV2 TYPE STRING,
AVBEITR2 TYPE STRING,
VZU1 TYPE STRING,
U1 TYPE STRING,
VZU2 TYPE STRING,
U2 TYPE STRING,
VZKV6 TYPE STRING,
KVBEITR6 TYPE STRING,
VZRV5 TYPE STRING,
RVBEITR5 TYPE STRING,
VZZWS TYPE STRING,
ZWS TYPE STRING,
VZKVF TYPE STRING,
KVBEITRF TYPE STRING,
VZPVF TYPE STRING,
PVBEITRF TYPE STRING,
VZERSTU1 TYPE STRING,
ERSTAAG TYPE STRING,
VZBEITR2 TYPE STRING,
BEITR2 TYPE STRING,
VZBEITR3 TYPE STRING,
BEITR3 TYPE STRING,
VZSUM TYPE STRING,
SUMME TYPE STRING,
VZKV1SA TYPE STRING,
KVBEITR1SA TYPE STRING,
VZKV3SA TYPE STRING,
KVBEITR3SA TYPE STRING,
VZKVFSA TYPE STRING,
KVBEITRFSA TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
STR TYPE STRING,
LDKZ TYPE STRING,
PLZ TYPE STRING,
ORT TYPE STRING,
ABRECHN1 TYPE STRING,
ABRECHN2 TYPE STRING,
ORDN TYPE STRING,
VAMM TYPE STRING,
BEITRSA TYPE STRING,
BEITRSE TYPE STRING,
BEITRSH TYPE STRING,
KENNZRK TYPE STRING,
KENNZUML TYPE STRING,
LFDNR TYPE STRING,
WG TYPE STRING,
VZEPST TYPE STRING,
BTEPST TYPE STRING,
STNR TYPE STRING,
VZZBP TYPE STRING,
ZBP TYPE STRING,
VZZBF TYPE STRING,
ZBF TYPE STRING,
DSID32 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_BN_BWXX_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_BN_BWXX_STR-KE sy-vline 
WA_HRDESV_BN_BWXX_STR-VF sy-vline 
WA_HRDESV_BN_BWXX_STR-BBNRAB sy-vline 
WA_HRDESV_BN_BWXX_STR-BBNREP sy-vline 
WA_HRDESV_BN_BWXX_STR-VERNR sy-vline 
WA_HRDESV_BN_BWXX_STR-ED sy-vline 
WA_HRDESV_BN_BWXX_STR-FEKZ sy-vline 
WA_HRDESV_BN_BWXX_STR-FEAN sy-vline 
WA_HRDESV_BN_BWXX_STR-DSID sy-vline 
WA_HRDESV_BN_BWXX_STR-AZKK sy-vline 
WA_HRDESV_BN_BWXX_STR-KEART sy-vline 
WA_HRDESV_BN_BWXX_STR-KEINSBN sy-vline 
WA_HRDESV_BN_BWXX_STR-KEKORR sy-vline 
WA_HRDESV_BN_BWXX_STR-BBNRAG sy-vline 
WA_HRDESV_BN_BWXX_STR-ZRBEG sy-vline 
WA_HRDESV_BN_BWXX_STR-ZREND sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKV1 sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITR1 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKV2 sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITR2 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKV3 sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITR3 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZPV sy-vline 
WA_HRDESV_BN_BWXX_STR-PVBEITR sy-vline 
WA_HRDESV_BN_BWXX_STR-VZRV1 sy-vline 
WA_HRDESV_BN_BWXX_STR-RVBEITR1 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZAV1 sy-vline 
WA_HRDESV_BN_BWXX_STR-AVBEITR1 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZRV3 sy-vline 
WA_HRDESV_BN_BWXX_STR-RVBEITR3 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZINSG sy-vline 
WA_HRDESV_BN_BWXX_STR-INSGU sy-vline 
WA_HRDESV_BN_BWXX_STR-VZAV2 sy-vline 
WA_HRDESV_BN_BWXX_STR-AVBEITR2 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZU1 sy-vline 
WA_HRDESV_BN_BWXX_STR-U1 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZU2 sy-vline 
WA_HRDESV_BN_BWXX_STR-U2 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKV6 sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITR6 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZRV5 sy-vline 
WA_HRDESV_BN_BWXX_STR-RVBEITR5 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZZWS sy-vline 
WA_HRDESV_BN_BWXX_STR-ZWS sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKVF sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITRF sy-vline 
WA_HRDESV_BN_BWXX_STR-VZPVF sy-vline 
WA_HRDESV_BN_BWXX_STR-PVBEITRF sy-vline 
WA_HRDESV_BN_BWXX_STR-VZERSTU1 sy-vline 
WA_HRDESV_BN_BWXX_STR-ERSTAAG sy-vline 
WA_HRDESV_BN_BWXX_STR-VZBEITR2 sy-vline 
WA_HRDESV_BN_BWXX_STR-BEITR2 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZBEITR3 sy-vline 
WA_HRDESV_BN_BWXX_STR-BEITR3 sy-vline 
WA_HRDESV_BN_BWXX_STR-VZSUM sy-vline 
WA_HRDESV_BN_BWXX_STR-SUMME sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKV1SA sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITR1SA sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKV3SA sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITR3SA sy-vline 
WA_HRDESV_BN_BWXX_STR-VZKVFSA sy-vline 
WA_HRDESV_BN_BWXX_STR-KVBEITRFSA sy-vline 
WA_HRDESV_BN_BWXX_STR-NAME1 sy-vline 
WA_HRDESV_BN_BWXX_STR-NAME2 sy-vline 
WA_HRDESV_BN_BWXX_STR-STR sy-vline 
WA_HRDESV_BN_BWXX_STR-LDKZ sy-vline 
WA_HRDESV_BN_BWXX_STR-PLZ sy-vline 
WA_HRDESV_BN_BWXX_STR-ORT sy-vline 
WA_HRDESV_BN_BWXX_STR-ABRECHN1 sy-vline 
WA_HRDESV_BN_BWXX_STR-ABRECHN2 sy-vline 
WA_HRDESV_BN_BWXX_STR-ORDN sy-vline 
WA_HRDESV_BN_BWXX_STR-VAMM sy-vline 
WA_HRDESV_BN_BWXX_STR-BEITRSA sy-vline 
WA_HRDESV_BN_BWXX_STR-BEITRSE sy-vline 
WA_HRDESV_BN_BWXX_STR-BEITRSH sy-vline 
WA_HRDESV_BN_BWXX_STR-KENNZRK sy-vline 
WA_HRDESV_BN_BWXX_STR-KENNZUML sy-vline 
WA_HRDESV_BN_BWXX_STR-LFDNR sy-vline 
WA_HRDESV_BN_BWXX_STR-WG sy-vline 
WA_HRDESV_BN_BWXX_STR-VZEPST sy-vline 
WA_HRDESV_BN_BWXX_STR-BTEPST sy-vline 
WA_HRDESV_BN_BWXX_STR-STNR sy-vline 
WA_HRDESV_BN_BWXX_STR-VZZBP sy-vline 
WA_HRDESV_BN_BWXX_STR-ZBP sy-vline 
WA_HRDESV_BN_BWXX_STR-VZZBF sy-vline 
WA_HRDESV_BN_BWXX_STR-ZBF sy-vline 
WA_HRDESV_BN_BWXX_STR-DSID32 sy-vline      INTO ld_text SEPARATED BY SPACE.

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