ABAP Select data from SAP table E1FAGLKPF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1FAGLKPF 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 E1FAGLKPF. 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 E1FAGLKPF 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_E1FAGLKPF TYPE STANDARD TABLE OF E1FAGLKPF,
      WA_E1FAGLKPF TYPE E1FAGLKPF,
      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: <E1FAGLKPF> TYPE E1FAGLKPF.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1FAGLKPF.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1FAGLKPF
  INTO TABLE IT_E1FAGLKPF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1FAGLKPF
*  INTO TABLE @DATA(IT_E1FAGLKPF2).
*--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_E1FAGLKPF INDEX 1 INTO DATA(WA_E1FAGLKPF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1FAGLKPF ASSIGNING <E1FAGLKPF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1FAGLKPF>-BUKRS = 1.
<E1FAGLKPF>-BELNR = 1.
<E1FAGLKPF>-GJAHR = 1.
<E1FAGLKPF>-BLART = 1.
<E1FAGLKPF>-BLDAT = 1.

ENDLOOP.

LOOP AT IT_E1FAGLKPF INTO WA_E1FAGLKPF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1FAGLKPF-BUDAT, sy-vline,
  WA_E1FAGLKPF-MONAT, sy-vline,
  WA_E1FAGLKPF-WWERT, sy-vline,
  WA_E1FAGLKPF-USNAM, sy-vline,
  WA_E1FAGLKPF-TCODE, sy-vline,
  WA_E1FAGLKPF-BVORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1FAGLKPF 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_E1FAGLKPF 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_E1FAGLKPF INTO WA_E1FAGLKPF.


*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_E1FAGLKPF_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BLART TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
MONAT TYPE STRING,
WWERT TYPE STRING,
USNAM TYPE STRING,
TCODE TYPE STRING,
BVORG TYPE STRING,
XBLNR TYPE STRING,
BKTXT TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
GLVOR TYPE STRING,
AWTYP TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
FIKRS TYPE STRING,
HWAER TYPE STRING,
HWAE2 TYPE STRING,
HWAE3 TYPE STRING,
KURS2 TYPE STRING,
KURS3 TYPE STRING,
BASW2 TYPE STRING,
BASW3 TYPE STRING,
UMRD2 TYPE STRING,
UMRD3 TYPE STRING,
CURT2 TYPE STRING,
CURT3 TYPE STRING,
AUSBK TYPE STRING,
AWSYS TYPE STRING,
LOTKZ TYPE STRING,
BUKRS_SND TYPE STRING,
FILTER TYPE STRING,
KURSF_M TYPE STRING,
KURS2_M TYPE STRING,
KURS3_M TYPE STRING,
BSTAT TYPE STRING,
BRNCH TYPE STRING,
NUMPG TYPE STRING,
ADISC TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
AWTYP_REV TYPE STRING,
AWREF_REV TYPE STRING,
AWORG_REV TYPE STRING,
XREF1_HD TYPE STRING,
XREF2_HD TYPE STRING,
XBLNR_LONG TYPE STRING,
RLDNR TYPE STRING,
LDGRP TYPE STRING,
ALE_RUNID TYPE STRING,
STGRD TYPE STRING,
RESERVE TYPE STRING,
VATDATE TYPE STRING,
TCODE_LONG TYPE STRING,
SUBSET TYPE STRING,
RESERVE02 TYPE STRING,
RESERVE03 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1FAGLKPF_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_E1FAGLKPF_STR-BUKRS sy-vline 
WA_E1FAGLKPF_STR-BELNR sy-vline 
WA_E1FAGLKPF_STR-GJAHR sy-vline 
WA_E1FAGLKPF_STR-BLART sy-vline 
WA_E1FAGLKPF_STR-BLDAT sy-vline 
WA_E1FAGLKPF_STR-BUDAT sy-vline 
WA_E1FAGLKPF_STR-MONAT sy-vline 
WA_E1FAGLKPF_STR-WWERT sy-vline 
WA_E1FAGLKPF_STR-USNAM sy-vline 
WA_E1FAGLKPF_STR-TCODE sy-vline 
WA_E1FAGLKPF_STR-BVORG sy-vline 
WA_E1FAGLKPF_STR-XBLNR sy-vline 
WA_E1FAGLKPF_STR-BKTXT sy-vline 
WA_E1FAGLKPF_STR-WAERS sy-vline 
WA_E1FAGLKPF_STR-KURSF sy-vline 
WA_E1FAGLKPF_STR-GLVOR sy-vline 
WA_E1FAGLKPF_STR-AWTYP sy-vline 
WA_E1FAGLKPF_STR-AWREF sy-vline 
WA_E1FAGLKPF_STR-AWORG sy-vline 
WA_E1FAGLKPF_STR-FIKRS sy-vline 
WA_E1FAGLKPF_STR-HWAER sy-vline 
WA_E1FAGLKPF_STR-HWAE2 sy-vline 
WA_E1FAGLKPF_STR-HWAE3 sy-vline 
WA_E1FAGLKPF_STR-KURS2 sy-vline 
WA_E1FAGLKPF_STR-KURS3 sy-vline 
WA_E1FAGLKPF_STR-BASW2 sy-vline 
WA_E1FAGLKPF_STR-BASW3 sy-vline 
WA_E1FAGLKPF_STR-UMRD2 sy-vline 
WA_E1FAGLKPF_STR-UMRD3 sy-vline 
WA_E1FAGLKPF_STR-CURT2 sy-vline 
WA_E1FAGLKPF_STR-CURT3 sy-vline 
WA_E1FAGLKPF_STR-AUSBK sy-vline 
WA_E1FAGLKPF_STR-AWSYS sy-vline 
WA_E1FAGLKPF_STR-LOTKZ sy-vline 
WA_E1FAGLKPF_STR-BUKRS_SND sy-vline 
WA_E1FAGLKPF_STR-FILTER sy-vline 
WA_E1FAGLKPF_STR-KURSF_M sy-vline 
WA_E1FAGLKPF_STR-KURS2_M sy-vline 
WA_E1FAGLKPF_STR-KURS3_M sy-vline 
WA_E1FAGLKPF_STR-BSTAT sy-vline 
WA_E1FAGLKPF_STR-BRNCH sy-vline 
WA_E1FAGLKPF_STR-NUMPG sy-vline 
WA_E1FAGLKPF_STR-ADISC sy-vline 
WA_E1FAGLKPF_STR-STBLG sy-vline 
WA_E1FAGLKPF_STR-STJAH sy-vline 
WA_E1FAGLKPF_STR-AWTYP_REV sy-vline 
WA_E1FAGLKPF_STR-AWREF_REV sy-vline 
WA_E1FAGLKPF_STR-AWORG_REV sy-vline 
WA_E1FAGLKPF_STR-XREF1_HD sy-vline 
WA_E1FAGLKPF_STR-XREF2_HD sy-vline 
WA_E1FAGLKPF_STR-XBLNR_LONG sy-vline 
WA_E1FAGLKPF_STR-RLDNR sy-vline 
WA_E1FAGLKPF_STR-LDGRP sy-vline 
WA_E1FAGLKPF_STR-ALE_RUNID sy-vline 
WA_E1FAGLKPF_STR-STGRD sy-vline 
WA_E1FAGLKPF_STR-RESERVE sy-vline 
WA_E1FAGLKPF_STR-VATDATE sy-vline 
WA_E1FAGLKPF_STR-TCODE_LONG sy-vline 
WA_E1FAGLKPF_STR-SUBSET sy-vline 
WA_E1FAGLKPF_STR-RESERVE02 sy-vline 
WA_E1FAGLKPF_STR-RESERVE03 sy-vline      INTO ld_text SEPARATED BY SPACE.

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