ABAP Select data from SAP table HRDESV_EL_S_DSVV_NOTIF_OLD 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_DSVV_NOTIF_OLD 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_DSVV_NOTIF_OLD. 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_DSVV_NOTIF_OLD 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_DSVV_NOTIF_OLD TYPE STANDARD TABLE OF HRDESV_EL_S_DSVV_NOTIF_OLD,
      WA_HRDESV_EL_S_DSVV_NOTIF_OLD TYPE HRDESV_EL_S_DSVV_NOTIF_OLD,
      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_DSVV_NOTIF_OLD> TYPE HRDESV_EL_S_DSVV_NOTIF_OLD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_EL_S_DSVV_NOTIF_OLD
*  INTO TABLE @DATA(IT_HRDESV_EL_S_DSVV_NOTIF_OLD2).
*--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_DSVV_NOTIF_OLD INDEX 1 INTO DATA(WA_HRDESV_EL_S_DSVV_NOTIF_OLD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_EL_S_DSVV_NOTIF_OLD>-GUID = 1.
<HRDESV_EL_S_DSVV_NOTIF_OLD>-DBNA = 1.
<HRDESV_EL_S_DSVV_NOTIF_OLD>-FMNA = 1.
<HRDESV_EL_S_DSVV_NOTIF_OLD>-VONA = 1.
<HRDESV_EL_S_DSVV_NOTIF_OLD>-VOSA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_EL_S_DSVV_NOTIF_OLD-NAZU, sy-vline,
  WA_HRDESV_EL_S_DSVV_NOTIF_OLD-TITEL, sy-vline,
  WA_HRDESV_EL_S_DSVV_NOTIF_OLD-RESERVE, sy-vline,
  WA_HRDESV_EL_S_DSVV_NOTIF_OLD-DBGB, sy-vline,
  WA_HRDESV_EL_S_DSVV_NOTIF_OLD-GBNA, sy-vline,
  WA_HRDESV_EL_S_DSVV_NOTIF_OLD-GBVOSA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_EL_S_DSVV_NOTIF_OLD 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_DSVV_NOTIF_OLD 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_DSVV_NOTIF_OLD INTO WA_HRDESV_EL_S_DSVV_NOTIF_OLD.


*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.

*Conversion exit GJAHR, internal->external for field PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRDESV_EL_S_DSVV_NOTIF_OLD-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRDESV_EL_S_DSVV_NOTIF_OLD-PABRJ.
WRITE:/ 'New Value:', ld_input.
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_DSVV_NOTIF_OLD_STR, 
GUID TYPE STRING,
DBNA TYPE STRING,
FMNA TYPE STRING,
VONA TYPE STRING,
VOSA TYPE STRING,
NAZU TYPE STRING,
TITEL TYPE STRING,
RESERVE TYPE STRING,
DBGB TYPE STRING,
GBNA TYPE STRING,
GBVOSA TYPE STRING,
GBNAZU TYPE STRING,
GBDT TYPE STRING,
GE TYPE STRING,
GBOT TYPE STRING,
DBAN TYPE STRING,
LDKZ TYPE STRING,
PLZ TYPE STRING,
ORT TYPE STRING,
STR TYPE STRING,
NR TYPE STRING,
ADRZU TYPE STRING,
STAT TYPE STRING,
PERNR TYPE STRING,
TYP TYPE STRING,
STATUS TYPE STRING,
MZBEG TYPE STRING,
MZEND TYPE STRING,
GUID_STORN TYPE STRING,
GUID_CNECT TYPE STRING,
DATUM TYPE STRING,
UZEIT TYPE STRING,
REPORT TYPE STRING,
EUSER TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
KKART TYPE STRING,
BTRNR TYPE STRING,
PABRP TYPE STRING,
PABRJ TYPE STRING,
ADATUM TYPE STRING,
HIST TYPE STRING,
DBFE TYPE STRING,
PERNR TYPE STRING,
PART TYPE STRING,
DSVV TYPE STRING,
VF TYPE STRING,
BBNRAB TYPE STRING,
BBNREP TYPE STRING,
VERNR TYPE STRING,
ED TYPE STRING,
FEKZ TYPE STRING,
FEAN TYPE STRING,
VSNRVFNR TYPE STRING,
RESERVE TYPE STRING,
BBNRVU TYPE STRING,
AZVU TYPE STRING,
BBNRKK TYPE STRING,
AZKK TYPE STRING,
BBNRAS TYPE STRING,
PERSGR TYPE STRING,
GD TYPE STRING,
SASC TYPE STRING,
BEAM TYPE STRING,
MONATBEG TYPE STRING,
MONATEND TYPE STRING,
BBNRALT TYPE STRING,
DSID TYPE STRING,
KENNZST TYPE STRING,
MMEN TYPE STRING,
MMNA TYPE STRING,
MMGB TYPE STRING,
MMAN TYPE STRING,
MMAG TYPE STRING,
MMAB TYPE STRING,
MMFZ TYPE STRING,
MMSE TYPE STRING,
MMSB TYPE STRING,
MMAS TYPE STRING,
MMZD TYPE STRING,
MMNB TYPE STRING,
MMHA TYPE STRING,
MMKE TYPE STRING,
RESERVE3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_EL_S_DSVV_NOTIF_OLD_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_DSVV_NOTIF_OLD_STR-GUID sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-DBNA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-FMNA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-VONA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-VOSA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-NAZU sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-TITEL sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-RESERVE sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-DBGB sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GBNA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GBVOSA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GBNAZU sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GBDT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GE sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GBOT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-DBAN sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-LDKZ sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-PLZ sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-ORT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-STR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-NR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-ADRZU sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-STAT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-PERNR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-TYP sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-STATUS sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MZBEG sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MZEND sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GUID_STORN sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GUID_CNECT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-DATUM sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-UZEIT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-REPORT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-EUSER sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-WERKS sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BTRTL sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-KKART sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BTRNR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-PABRP sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-PABRJ sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-ADATUM sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-HIST sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-DBFE sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-PERNR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-PART sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-DSVV sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-VF sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BBNRAB sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BBNREP sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-VERNR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-ED sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-FEKZ sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-FEAN sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-VSNRVFNR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-RESERVE sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BBNRVU sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-AZVU sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BBNRKK sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-AZKK sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BBNRAS sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-PERSGR sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-GD sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-SASC sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BEAM sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MONATBEG sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MONATEND sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-BBNRALT sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-DSID sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-KENNZST sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMEN sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMNA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMGB sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMAN sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMAG sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMAB sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMFZ sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMSE sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMSB sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMAS sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMZD sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMNB sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMHA sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-MMKE sy-vline 
WA_HRDESV_EL_S_DSVV_NOTIF_OLD_STR-RESERVE3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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