ABAP Select data from SAP table HRDEVERS01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDEVERS01 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 HRDEVERS01. 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 HRDEVERS01 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_HRDEVERS01 TYPE STANDARD TABLE OF HRDEVERS01,
      WA_HRDEVERS01 TYPE HRDEVERS01,
      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: <HRDEVERS01> TYPE HRDEVERS01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDEVERS01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDEVERS01
  INTO TABLE IT_HRDEVERS01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDEVERS01
*  INTO TABLE @DATA(IT_HRDEVERS012).
*--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_HRDEVERS01 INDEX 1 INTO DATA(WA_HRDEVERS012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDEVERS01 ASSIGNING <HRDEVERS01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDEVERS01>-ERHEBUNGSJAHR = 1.
<HRDEVERS01>-LANDNUMMER = 1.
<HRDEVERS01>-BESCHBEREICH = 1.
<HRDEVERS01>-BERICHTSSTELLENNR = 1.
<HRDEVERS01>-LFDNR = 1.

ENDLOOP.

LOOP AT IT_HRDEVERS01 INTO WA_HRDEVERS01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDEVERS01-FRUEHERES_DV, sy-vline,
  WA_HRDEVERS01-RECHTSGRUNDLAGE, sy-vline,
  WA_HRDEVERS01-VERSORGUNGSART, sy-vline,
  WA_HRDEVERS01-GEBURTSMONAT, sy-vline,
  WA_HRDEVERS01-GEBURTSJAHR, sy-vline,
  WA_HRDEVERS01-GESCHLECHT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDEVERS01 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_HRDEVERS01 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_HRDEVERS01 INTO WA_HRDEVERS01.


*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_HRDEVERS01_STR, 
ERHEBUNGSJAHR TYPE STRING,
LANDNUMMER TYPE STRING,
BESCHBEREICH TYPE STRING,
BERICHTSSTELLENNR TYPE STRING,
LFDNR TYPE STRING,
FRUEHERES_DV TYPE STRING,
RECHTSGRUNDLAGE TYPE STRING,
VERSORGUNGSART TYPE STRING,
GEBURTSMONAT TYPE STRING,
GEBURTSJAHR TYPE STRING,
GESCHLECHT TYPE STRING,
FAMILIENSTAND TYPE STRING,
BESOLDUNGSGRUPPE TYPE STRING,
VOMHUNDERTSATZ TYPE STRING,
GEMEINDESCHLUESSEL TYPE STRING,
BESTAND TYPE STRING,
BEGINN_ZAHLUNG TYPE STRING,
BEGINN_ANSPRUCH TYPE STRING,
GRUND TYPE STRING,
VORJAHR_LAUFEND TYPE STRING,
VORJAHR_EINMAL TYPE STRING,
VERSORGUNG_JANUAR TYPE STRING,
FAMZUSCHLAG_KINDER TYPE STRING,
ZUSCHLAG_KINDERERZ TYPE STRING,
MONAT_SOZAHLUNG TYPE STRING,
ZUSCHLAG_50B TYPE STRING,
ZUSCHLAG_50C TYPE STRING,
ZUSCHLAG_50D TYPE STRING,
EINGABEFELD28 TYPE STRING,
ZUSCHLAG_50E TYPE STRING,
RUHENSBETRG_53 TYPE STRING,
RUHENSBETRG_54 TYPE STRING,
RUHENSBETRAG TYPE STRING,
RUHENSBETRG_56 TYPE STRING,
RENTEN TYPE STRING,
VERSORGUNGSABSCHLAG TYPE STRING,
MINDESTVERSORGUNG TYPE STRING,
POSTLEITZAHL TYPE STRING,
GEMEINDENAME TYPE STRING,
BUNDLAND TYPE STRING,
LEERFELD TYPE STRING,
WERKS_SUM TYPE STRING,
BTRTL_SUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDEVERS01_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_HRDEVERS01_STR-ERHEBUNGSJAHR sy-vline 
WA_HRDEVERS01_STR-LANDNUMMER sy-vline 
WA_HRDEVERS01_STR-BESCHBEREICH sy-vline 
WA_HRDEVERS01_STR-BERICHTSSTELLENNR sy-vline 
WA_HRDEVERS01_STR-LFDNR sy-vline 
WA_HRDEVERS01_STR-FRUEHERES_DV sy-vline 
WA_HRDEVERS01_STR-RECHTSGRUNDLAGE sy-vline 
WA_HRDEVERS01_STR-VERSORGUNGSART sy-vline 
WA_HRDEVERS01_STR-GEBURTSMONAT sy-vline 
WA_HRDEVERS01_STR-GEBURTSJAHR sy-vline 
WA_HRDEVERS01_STR-GESCHLECHT sy-vline 
WA_HRDEVERS01_STR-FAMILIENSTAND sy-vline 
WA_HRDEVERS01_STR-BESOLDUNGSGRUPPE sy-vline 
WA_HRDEVERS01_STR-VOMHUNDERTSATZ sy-vline 
WA_HRDEVERS01_STR-GEMEINDESCHLUESSEL sy-vline 
WA_HRDEVERS01_STR-BESTAND sy-vline 
WA_HRDEVERS01_STR-BEGINN_ZAHLUNG sy-vline 
WA_HRDEVERS01_STR-BEGINN_ANSPRUCH sy-vline 
WA_HRDEVERS01_STR-GRUND sy-vline 
WA_HRDEVERS01_STR-VORJAHR_LAUFEND sy-vline 
WA_HRDEVERS01_STR-VORJAHR_EINMAL sy-vline 
WA_HRDEVERS01_STR-VERSORGUNG_JANUAR sy-vline 
WA_HRDEVERS01_STR-FAMZUSCHLAG_KINDER sy-vline 
WA_HRDEVERS01_STR-ZUSCHLAG_KINDERERZ sy-vline 
WA_HRDEVERS01_STR-MONAT_SOZAHLUNG sy-vline 
WA_HRDEVERS01_STR-ZUSCHLAG_50B sy-vline 
WA_HRDEVERS01_STR-ZUSCHLAG_50C sy-vline 
WA_HRDEVERS01_STR-ZUSCHLAG_50D sy-vline 
WA_HRDEVERS01_STR-EINGABEFELD28 sy-vline 
WA_HRDEVERS01_STR-ZUSCHLAG_50E sy-vline 
WA_HRDEVERS01_STR-RUHENSBETRG_53 sy-vline 
WA_HRDEVERS01_STR-RUHENSBETRG_54 sy-vline 
WA_HRDEVERS01_STR-RUHENSBETRAG sy-vline 
WA_HRDEVERS01_STR-RUHENSBETRG_56 sy-vline 
WA_HRDEVERS01_STR-RENTEN sy-vline 
WA_HRDEVERS01_STR-VERSORGUNGSABSCHLAG sy-vline 
WA_HRDEVERS01_STR-MINDESTVERSORGUNG sy-vline 
WA_HRDEVERS01_STR-POSTLEITZAHL sy-vline 
WA_HRDEVERS01_STR-GEMEINDENAME sy-vline 
WA_HRDEVERS01_STR-BUNDLAND sy-vline 
WA_HRDEVERS01_STR-LEERFELD sy-vline 
WA_HRDEVERS01_STR-WERKS_SUM sy-vline 
WA_HRDEVERS01_STR-BTRTL_SUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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