ABAP Select data from SAP table E1HRFI2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1HRFI2 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 E1HRFI2. 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 E1HRFI2 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_E1HRFI2 TYPE STANDARD TABLE OF E1HRFI2,
      WA_E1HRFI2 TYPE E1HRFI2,
      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: <E1HRFI2> TYPE E1HRFI2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1HRFI2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1HRFI2
  INTO TABLE IT_E1HRFI2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1HRFI2
*  INTO TABLE @DATA(IT_E1HRFI22).
*--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_E1HRFI2 INDEX 1 INTO DATA(WA_E1HRFI22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1HRFI2 ASSIGNING <E1HRFI2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1HRFI2>-BUZEI = 1.
<E1HRFI2>-BUZID = 1.
<E1HRFI2>-AUGDT = 1.
<E1HRFI2>-AUGCP = 1.
<E1HRFI2>-AUGBL = 1.

ENDLOOP.

LOOP AT IT_E1HRFI2 INTO WA_E1HRFI2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1HRFI2-BSCHL, sy-vline,
  WA_E1HRFI2-KOART, sy-vline,
  WA_E1HRFI2-SHKZG, sy-vline,
  WA_E1HRFI2-GSBER, sy-vline,
  WA_E1HRFI2-PARGB, sy-vline,
  WA_E1HRFI2-MWSKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1HRFI2 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_E1HRFI2 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_E1HRFI2 INTO WA_E1HRFI2.


*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_E1HRFI2_STR, 
BUZEI TYPE STRING,
BUZID TYPE STRING,
AUGDT TYPE STRING,
AUGCP TYPE STRING,
AUGBL TYPE STRING,
BSCHL TYPE STRING,
KOART TYPE STRING,
SHKZG TYPE STRING,
GSBER TYPE STRING,
PARGB TYPE STRING,
MWSKZ TYPE STRING,
DMBTR TYPE STRING,
DMBE2 TYPE STRING,
DMBE3 TYPE STRING,
WRBTR TYPE STRING,
KZBTR TYPE STRING,
PSWBT TYPE STRING,
PSWSL TYPE STRING,
HWBAS TYPE STRING,
FWBAS TYPE STRING,
MWART TYPE STRING,
KTOSL TYPE STRING,
VALUT TYPE STRING,
ZUONR TYPE STRING,
SGTXT TYPE STRING,
VBUND TYPE STRING,
BEWAR TYPE STRING,
VORGN TYPE STRING,
FDLEV TYPE STRING,
FDGRP TYPE STRING,
FDTAG TYPE STRING,
KOKRS TYPE STRING,
TXGRP TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
VBELN TYPE STRING,
VBEL2 TYPE STRING,
POSN2 TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ANBWA TYPE STRING,
BZDAT TYPE STRING,
PERNR TYPE STRING,
XUMSW TYPE STRING,
XSKRL TYPE STRING,
XAUTO TYPE STRING,
SAKNR TYPE STRING,
HKONT TYPE STRING,
ABPER TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
ERFMG TYPE STRING,
ERFME TYPE STRING,
BPMNG TYPE STRING,
BPRME TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ZEKKN TYPE STRING,
BWKEY TYPE STRING,
BWTAR TYPE STRING,
BUSTW TYPE STRING,
BUALT TYPE STRING,
TBTKZ TYPE STRING,
STCEG TYPE STRING,
RSTGR TYPE STRING,
PRCTR TYPE STRING,
VNAME TYPE STRING,
RECID TYPE STRING,
EGRUP TYPE STRING,
VPTNR TYPE STRING,
VERTT TYPE STRING,
VERTN TYPE STRING,
VBEWA TYPE STRING,
TXJCD TYPE STRING,
IMKEY TYPE STRING,
DABRZ TYPE STRING,
FIPOS TYPE STRING,
KSTRG TYPE STRING,
NPLNR TYPE STRING,
AUFPL TYPE STRING,
APLZL TYPE STRING,
PROJK TYPE STRING,
PAOBJNR TYPE STRING,
BTYPE TYPE STRING,
ETYPE TYPE STRING,
XEGDR TYPE STRING,
HRKFT TYPE STRING,
LOKKT TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
STBUK TYPE STRING,
ALTKT TYPE STRING,
PPRCT TYPE STRING,
XREF1 TYPE STRING,
XREF2 TYPE STRING,
KBLNR TYPE STRING,
KBLPOS TYPE STRING,
FKBER TYPE STRING,
OBZEI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1HRFI2_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_E1HRFI2_STR-BUZEI sy-vline 
WA_E1HRFI2_STR-BUZID sy-vline 
WA_E1HRFI2_STR-AUGDT sy-vline 
WA_E1HRFI2_STR-AUGCP sy-vline 
WA_E1HRFI2_STR-AUGBL sy-vline 
WA_E1HRFI2_STR-BSCHL sy-vline 
WA_E1HRFI2_STR-KOART sy-vline 
WA_E1HRFI2_STR-SHKZG sy-vline 
WA_E1HRFI2_STR-GSBER sy-vline 
WA_E1HRFI2_STR-PARGB sy-vline 
WA_E1HRFI2_STR-MWSKZ sy-vline 
WA_E1HRFI2_STR-DMBTR sy-vline 
WA_E1HRFI2_STR-DMBE2 sy-vline 
WA_E1HRFI2_STR-DMBE3 sy-vline 
WA_E1HRFI2_STR-WRBTR sy-vline 
WA_E1HRFI2_STR-KZBTR sy-vline 
WA_E1HRFI2_STR-PSWBT sy-vline 
WA_E1HRFI2_STR-PSWSL sy-vline 
WA_E1HRFI2_STR-HWBAS sy-vline 
WA_E1HRFI2_STR-FWBAS sy-vline 
WA_E1HRFI2_STR-MWART sy-vline 
WA_E1HRFI2_STR-KTOSL sy-vline 
WA_E1HRFI2_STR-VALUT sy-vline 
WA_E1HRFI2_STR-ZUONR sy-vline 
WA_E1HRFI2_STR-SGTXT sy-vline 
WA_E1HRFI2_STR-VBUND sy-vline 
WA_E1HRFI2_STR-BEWAR sy-vline 
WA_E1HRFI2_STR-VORGN sy-vline 
WA_E1HRFI2_STR-FDLEV sy-vline 
WA_E1HRFI2_STR-FDGRP sy-vline 
WA_E1HRFI2_STR-FDTAG sy-vline 
WA_E1HRFI2_STR-KOKRS sy-vline 
WA_E1HRFI2_STR-TXGRP sy-vline 
WA_E1HRFI2_STR-KOSTL sy-vline 
WA_E1HRFI2_STR-AUFNR sy-vline 
WA_E1HRFI2_STR-VBELN sy-vline 
WA_E1HRFI2_STR-VBEL2 sy-vline 
WA_E1HRFI2_STR-POSN2 sy-vline 
WA_E1HRFI2_STR-ANLN1 sy-vline 
WA_E1HRFI2_STR-ANLN2 sy-vline 
WA_E1HRFI2_STR-ANBWA sy-vline 
WA_E1HRFI2_STR-BZDAT sy-vline 
WA_E1HRFI2_STR-PERNR sy-vline 
WA_E1HRFI2_STR-XUMSW sy-vline 
WA_E1HRFI2_STR-XSKRL sy-vline 
WA_E1HRFI2_STR-XAUTO sy-vline 
WA_E1HRFI2_STR-SAKNR sy-vline 
WA_E1HRFI2_STR-HKONT sy-vline 
WA_E1HRFI2_STR-ABPER sy-vline 
WA_E1HRFI2_STR-MATNR sy-vline 
WA_E1HRFI2_STR-WERKS sy-vline 
WA_E1HRFI2_STR-MENGE sy-vline 
WA_E1HRFI2_STR-MEINS sy-vline 
WA_E1HRFI2_STR-ERFMG sy-vline 
WA_E1HRFI2_STR-ERFME sy-vline 
WA_E1HRFI2_STR-BPMNG sy-vline 
WA_E1HRFI2_STR-BPRME sy-vline 
WA_E1HRFI2_STR-EBELN sy-vline 
WA_E1HRFI2_STR-EBELP sy-vline 
WA_E1HRFI2_STR-ZEKKN sy-vline 
WA_E1HRFI2_STR-BWKEY sy-vline 
WA_E1HRFI2_STR-BWTAR sy-vline 
WA_E1HRFI2_STR-BUSTW sy-vline 
WA_E1HRFI2_STR-BUALT sy-vline 
WA_E1HRFI2_STR-TBTKZ sy-vline 
WA_E1HRFI2_STR-STCEG sy-vline 
WA_E1HRFI2_STR-RSTGR sy-vline 
WA_E1HRFI2_STR-PRCTR sy-vline 
WA_E1HRFI2_STR-VNAME sy-vline 
WA_E1HRFI2_STR-RECID sy-vline 
WA_E1HRFI2_STR-EGRUP sy-vline 
WA_E1HRFI2_STR-VPTNR sy-vline 
WA_E1HRFI2_STR-VERTT sy-vline 
WA_E1HRFI2_STR-VERTN sy-vline 
WA_E1HRFI2_STR-VBEWA sy-vline 
WA_E1HRFI2_STR-TXJCD sy-vline 
WA_E1HRFI2_STR-IMKEY sy-vline 
WA_E1HRFI2_STR-DABRZ sy-vline 
WA_E1HRFI2_STR-FIPOS sy-vline 
WA_E1HRFI2_STR-KSTRG sy-vline 
WA_E1HRFI2_STR-NPLNR sy-vline 
WA_E1HRFI2_STR-AUFPL sy-vline 
WA_E1HRFI2_STR-APLZL sy-vline 
WA_E1HRFI2_STR-PROJK sy-vline 
WA_E1HRFI2_STR-PAOBJNR sy-vline 
WA_E1HRFI2_STR-BTYPE sy-vline 
WA_E1HRFI2_STR-ETYPE sy-vline 
WA_E1HRFI2_STR-XEGDR sy-vline 
WA_E1HRFI2_STR-HRKFT sy-vline 
WA_E1HRFI2_STR-LOKKT sy-vline 
WA_E1HRFI2_STR-FISTL sy-vline 
WA_E1HRFI2_STR-GEBER sy-vline 
WA_E1HRFI2_STR-STBUK sy-vline 
WA_E1HRFI2_STR-ALTKT sy-vline 
WA_E1HRFI2_STR-PPRCT sy-vline 
WA_E1HRFI2_STR-XREF1 sy-vline 
WA_E1HRFI2_STR-XREF2 sy-vline 
WA_E1HRFI2_STR-KBLNR sy-vline 
WA_E1HRFI2_STR-KBLPOS sy-vline 
WA_E1HRFI2_STR-FKBER sy-vline 
WA_E1HRFI2_STR-OBZEI sy-vline      INTO ld_text SEPARATED BY SPACE.

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