ABAP Select data from SAP table FEB_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FEB_S
*  INTO TABLE @DATA(IT_FEB_S2).
*--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_FEB_S INDEX 1 INTO DATA(WA_FEB_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FEB_S>-FEBKO = 1.
<FEB_S>-AZIDT = 1.
<FEB_S>-EMKEY = 1.
<FEB_S>-VFDAT = 1.
<FEB_S>-WVDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FEB_S-WVTIM, sy-vline,
  WA_FEB_S-WVART, sy-vline,
  WA_FEB_S-HKONT, sy-vline,
  WA_FEB_S-KTONR, sy-vline,
  WA_FEB_S-KTOIH, sy-vline,
  WA_FEB_S-KTOSB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FEB_S 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_FEB_S 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_FEB_S INTO WA_FEB_S.


*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_FEB_S_STR, 
FEBKO TYPE STRING,
AZIDT TYPE STRING,
EMKEY TYPE STRING,
VFDAT TYPE STRING,
WVDAT TYPE STRING,
WVTIM TYPE STRING,
WVART TYPE STRING,
HKONT TYPE STRING,
KTONR TYPE STRING,
KTOIH TYPE STRING,
KTOSB TYPE STRING,
AZNUM TYPE STRING,
AZSNR TYPE STRING,
AZDAT TYPE STRING,
BUKRS TYPE STRING,
KTOPL TYPE STRING,
WAERS TYPE STRING,
SSTYP TYPE STRING,
SSVOZ TYPE STRING,
SSBTR TYPE STRING,
SUMSO TYPE STRING,
SUMHA TYPE STRING,
ESTYP TYPE STRING,
ESVOZ TYPE STRING,
ESBTR TYPE STRING,
ESDMB TYPE STRING,
BLAUF TYPE STRING,
ELAUF TYPE STRING,
HZINS TYPE STRING,
TEILN TYPE STRING,
BKTOA TYPE STRING,
ANZES TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
BKREF TYPE STRING,
DSART TYPE STRING,
XVERD TYPE STRING,
XBENR TYPE STRING,
XBTYP TYPE STRING,
SEQ_NUMBER TYPE STRING,
SEQ_STATUS TYPE STRING,
INPUT_FORMAT TYPE STRING,
SIBAN TYPE STRING,
BANKKEY TYPE STRING,
BANKACC TYPE STRING,
AZPGNO TYPE STRING,
FILEHASH TYPE STRING,
ITEMS_FEB TYPE STRING,
BALANCES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FEB_S_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_FEB_S_STR-FEBKO sy-vline 
WA_FEB_S_STR-AZIDT sy-vline 
WA_FEB_S_STR-EMKEY sy-vline 
WA_FEB_S_STR-VFDAT sy-vline 
WA_FEB_S_STR-WVDAT sy-vline 
WA_FEB_S_STR-WVTIM sy-vline 
WA_FEB_S_STR-WVART sy-vline 
WA_FEB_S_STR-HKONT sy-vline 
WA_FEB_S_STR-KTONR sy-vline 
WA_FEB_S_STR-KTOIH sy-vline 
WA_FEB_S_STR-KTOSB sy-vline 
WA_FEB_S_STR-AZNUM sy-vline 
WA_FEB_S_STR-AZSNR sy-vline 
WA_FEB_S_STR-AZDAT sy-vline 
WA_FEB_S_STR-BUKRS sy-vline 
WA_FEB_S_STR-KTOPL sy-vline 
WA_FEB_S_STR-WAERS sy-vline 
WA_FEB_S_STR-SSTYP sy-vline 
WA_FEB_S_STR-SSVOZ sy-vline 
WA_FEB_S_STR-SSBTR sy-vline 
WA_FEB_S_STR-SUMSO sy-vline 
WA_FEB_S_STR-SUMHA sy-vline 
WA_FEB_S_STR-ESTYP sy-vline 
WA_FEB_S_STR-ESVOZ sy-vline 
WA_FEB_S_STR-ESBTR sy-vline 
WA_FEB_S_STR-ESDMB sy-vline 
WA_FEB_S_STR-BLAUF sy-vline 
WA_FEB_S_STR-ELAUF sy-vline 
WA_FEB_S_STR-HZINS sy-vline 
WA_FEB_S_STR-TEILN sy-vline 
WA_FEB_S_STR-BKTOA sy-vline 
WA_FEB_S_STR-ANZES sy-vline 
WA_FEB_S_STR-HBKID sy-vline 
WA_FEB_S_STR-HKTID sy-vline 
WA_FEB_S_STR-BKREF sy-vline 
WA_FEB_S_STR-DSART sy-vline 
WA_FEB_S_STR-XVERD sy-vline 
WA_FEB_S_STR-XBENR sy-vline 
WA_FEB_S_STR-XBTYP sy-vline 
WA_FEB_S_STR-SEQ_NUMBER sy-vline 
WA_FEB_S_STR-SEQ_STATUS sy-vline 
WA_FEB_S_STR-INPUT_FORMAT sy-vline 
WA_FEB_S_STR-SIBAN sy-vline 
WA_FEB_S_STR-BANKKEY sy-vline 
WA_FEB_S_STR-BANKACC sy-vline 
WA_FEB_S_STR-AZPGNO sy-vline 
WA_FEB_S_STR-FILEHASH sy-vline 
WA_FEB_S_STR-ITEMS_FEB sy-vline 
WA_FEB_S_STR-BALANCES sy-vline      INTO ld_text SEPARATED BY SPACE.

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