ABAP Select data from SAP table WDFR_DISP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WDFR_DISP
*  INTO TABLE @DATA(IT_WDFR_DISP2).
*--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_WDFR_DISP INDEX 1 INTO DATA(WA_WDFR_DISP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WDFR_DISP>-MANDT = 1.
<WDFR_DISP>-FBELN = 1.
<WDFR_DISP>-IBELN = 1.
<WDFR_DISP>-WERKS = 1.
<WDFR_DISP>-TABIX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WDFR_DISP-VLFKZ, sy-vline,
  WA_WDFR_DISP-WVBUKRS, sy-vline,
  WA_WDFR_DISP-WVKORG, sy-vline,
  WA_WDFR_DISP-WVTWEG, sy-vline,
  WA_WDFR_DISP-WVSPART, sy-vline,
  WA_WDFR_DISP-WVLAND1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WDFR_DISP 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_WDFR_DISP 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_WDFR_DISP INTO WA_WDFR_DISP.


*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 ALPHA, internal->external for field FBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-FBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-FBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-IBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-IBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WVKUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-WVKUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-WVKUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WVLIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-WVLIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-WVLIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-SBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-SBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-ABELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-ABELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AKTBE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-AKTBE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-AKTBE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field I_BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-I_BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-I_BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-ALIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-ALIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ABSMEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-ABSMEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-ABSMEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field AMEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-AMEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-AMEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AKTMA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-AKTMA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-AKTMA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEBNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-DEBNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-DEBNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_WDFR_DISP-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WDFR_DISP-SPRAS.
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_WDFR_DISP_STR, 
MANDT TYPE STRING,
FBELN TYPE STRING,
IBELN TYPE STRING,
WERKS TYPE STRING,
TABIX TYPE STRING,
VLFKZ TYPE STRING,
WVBUKRS TYPE STRING,
WVKORG TYPE STRING,
WVTWEG TYPE STRING,
WVSPART TYPE STRING,
WVLAND1 TYPE STRING,
WVKUNNR TYPE STRING,
WVLIFNR TYPE STRING,
NAME1 TYPE STRING,
DISART TYPE STRING,
ABGART TYPE STRING,
AUFAR TYPE STRING,
APSTP TYPE STRING,
SBELN TYPE STRING,
ASTRA TYPE STRING,
ABELN TYPE STRING,
ABELP TYPE STRING,
LISTG TYPE STRING,
RUNDG TYPE STRING,
RESTV TYPE STRING,
AAVIT TYPE STRING,
BERMIMA TYPE STRING,
BSTGE TYPE STRING,
BEZCH TYPE STRING,
AFDTP TYPE STRING,
AFDAT TYPE STRING,
VKDTP TYPE STRING,
VKDAT TYPE STRING,
FBDAT TYPE STRING,
FUDAT TYPE STRING,
FLDAT TYPE STRING,
FBDTP TYPE STRING,
FUDTP TYPE STRING,
FLDTP TYPE STRING,
WBTYP TYPE STRING,
AKTBE TYPE STRING,
I_BELNR TYPE STRING,
I_POSNR TYPE STRING,
LEIND TYPE STRING,
LZEIT TYPE STRING,
ALIFNR TYPE STRING,
ABSMNG TYPE STRING,
ABSMEI TYPE STRING,
AMENGE TYPE STRING,
AMEINS TYPE STRING,
IA_SAMMELBEST TYPE STRING,
UPDKZ TYPE STRING,
BESKZ TYPE STRING,
SATKZ TYPE STRING,
AKTKZ TYPE STRING,
ABNKZ TYPE STRING,
EINDT TYPE STRING,
BESAB TYPE STRING,
BESBI TYPE STRING,
AINDT TYPE STRING,
ABGAB TYPE STRING,
ABGBI TYPE STRING,
AUSAB TYPE STRING,
AUSBI TYPE STRING,
LFDAT_AB TYPE STRING,
LFDAT_BI TYPE STRING,
UHRAB TYPE STRING,
UHRBI TYPE STRING,
DTIME TYPE STRING,
DHOUR TYPE STRING,
CD TYPE STRING,
FT TYPE STRING,
PA TYPE STRING,
CD_FT TYPE STRING,
CD_PA TYPE STRING,
KABE TYPE STRING,
BEBE TYPE STRING,
BRBE TYPE STRING,
OPTI TYPE STRING,
AVAIL TYPE STRING,
ROULE TYPE STRING,
STOCK TYPE STRING,
SAMKZ TYPE STRING,
LGORT TYPE STRING,
BBTYP TYPE STRING,
BBTEXT TYPE STRING,
MATKL TYPE STRING,
AKTMA TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
BEDAT TYPE STRING,
BSDAT TYPE STRING,
AVRULE TYPE STRING,
DEBNR TYPE STRING,
BUKRS TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
LAND1 TYPE STRING,
ERWSE TYPE STRING,
SPRAS TYPE STRING,
SAMANZ TYPE STRING,
VARANZ TYPE STRING,
LAGAB TYPE STRING,
LIVAR TYPE STRING,
VKERV TYPE STRING,
BSART TYPE STRING,
PSTYP TYPE STRING,
KNTTP TYPE STRING,
MISCH TYPE STRING,
BPROT TYPE STRING,
ABNER TYPE STRING,
ATPER TYPE STRING,
FVBER TYPE STRING,
UMSER TYPE STRING,
BVLER TYPE STRING,
UAVER TYPE STRING,
DIFER TYPE STRING,
INFER TYPE STRING,
KALER TYPE STRING,
SORER TYPE STRING,
TEXT_TITEL TYPE STRING,
TEXT_TITEL_40 TYPE STRING,
FBEZCH TYPE STRING,
ERDAT TYPE STRING,
AEDAT TYPE STRING,
ERNAM TYPE STRING,
AENAM TYPE STRING,
GEDAT TYPE STRING,
GETIME TYPE STRING,
KAPPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WDFR_DISP_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_WDFR_DISP_STR-MANDT sy-vline 
WA_WDFR_DISP_STR-FBELN sy-vline 
WA_WDFR_DISP_STR-IBELN sy-vline 
WA_WDFR_DISP_STR-WERKS sy-vline 
WA_WDFR_DISP_STR-TABIX sy-vline 
WA_WDFR_DISP_STR-VLFKZ sy-vline 
WA_WDFR_DISP_STR-WVBUKRS sy-vline 
WA_WDFR_DISP_STR-WVKORG sy-vline 
WA_WDFR_DISP_STR-WVTWEG sy-vline 
WA_WDFR_DISP_STR-WVSPART sy-vline 
WA_WDFR_DISP_STR-WVLAND1 sy-vline 
WA_WDFR_DISP_STR-WVKUNNR sy-vline 
WA_WDFR_DISP_STR-WVLIFNR sy-vline 
WA_WDFR_DISP_STR-NAME1 sy-vline 
WA_WDFR_DISP_STR-DISART sy-vline 
WA_WDFR_DISP_STR-ABGART sy-vline 
WA_WDFR_DISP_STR-AUFAR sy-vline 
WA_WDFR_DISP_STR-APSTP sy-vline 
WA_WDFR_DISP_STR-SBELN sy-vline 
WA_WDFR_DISP_STR-ASTRA sy-vline 
WA_WDFR_DISP_STR-ABELN sy-vline 
WA_WDFR_DISP_STR-ABELP sy-vline 
WA_WDFR_DISP_STR-LISTG sy-vline 
WA_WDFR_DISP_STR-RUNDG sy-vline 
WA_WDFR_DISP_STR-RESTV sy-vline 
WA_WDFR_DISP_STR-AAVIT sy-vline 
WA_WDFR_DISP_STR-BERMIMA sy-vline 
WA_WDFR_DISP_STR-BSTGE sy-vline 
WA_WDFR_DISP_STR-BEZCH sy-vline 
WA_WDFR_DISP_STR-AFDTP sy-vline 
WA_WDFR_DISP_STR-AFDAT sy-vline 
WA_WDFR_DISP_STR-VKDTP sy-vline 
WA_WDFR_DISP_STR-VKDAT sy-vline 
WA_WDFR_DISP_STR-FBDAT sy-vline 
WA_WDFR_DISP_STR-FUDAT sy-vline 
WA_WDFR_DISP_STR-FLDAT sy-vline 
WA_WDFR_DISP_STR-FBDTP sy-vline 
WA_WDFR_DISP_STR-FUDTP sy-vline 
WA_WDFR_DISP_STR-FLDTP sy-vline 
WA_WDFR_DISP_STR-WBTYP sy-vline 
WA_WDFR_DISP_STR-AKTBE sy-vline 
WA_WDFR_DISP_STR-I_BELNR sy-vline 
WA_WDFR_DISP_STR-I_POSNR sy-vline 
WA_WDFR_DISP_STR-LEIND sy-vline 
WA_WDFR_DISP_STR-LZEIT sy-vline 
WA_WDFR_DISP_STR-ALIFNR sy-vline 
WA_WDFR_DISP_STR-ABSMNG sy-vline 
WA_WDFR_DISP_STR-ABSMEI sy-vline 
WA_WDFR_DISP_STR-AMENGE sy-vline 
WA_WDFR_DISP_STR-AMEINS sy-vline 
WA_WDFR_DISP_STR-IA_SAMMELBEST sy-vline 
WA_WDFR_DISP_STR-UPDKZ sy-vline 
WA_WDFR_DISP_STR-BESKZ sy-vline 
WA_WDFR_DISP_STR-SATKZ sy-vline 
WA_WDFR_DISP_STR-AKTKZ sy-vline 
WA_WDFR_DISP_STR-ABNKZ sy-vline 
WA_WDFR_DISP_STR-EINDT sy-vline 
WA_WDFR_DISP_STR-BESAB sy-vline 
WA_WDFR_DISP_STR-BESBI sy-vline 
WA_WDFR_DISP_STR-AINDT sy-vline 
WA_WDFR_DISP_STR-ABGAB sy-vline 
WA_WDFR_DISP_STR-ABGBI sy-vline 
WA_WDFR_DISP_STR-AUSAB sy-vline 
WA_WDFR_DISP_STR-AUSBI sy-vline 
WA_WDFR_DISP_STR-LFDAT_AB sy-vline 
WA_WDFR_DISP_STR-LFDAT_BI sy-vline 
WA_WDFR_DISP_STR-UHRAB sy-vline 
WA_WDFR_DISP_STR-UHRBI sy-vline 
WA_WDFR_DISP_STR-DTIME sy-vline 
WA_WDFR_DISP_STR-DHOUR sy-vline 
WA_WDFR_DISP_STR-CD sy-vline 
WA_WDFR_DISP_STR-FT sy-vline 
WA_WDFR_DISP_STR-PA sy-vline 
WA_WDFR_DISP_STR-CD_FT sy-vline 
WA_WDFR_DISP_STR-CD_PA sy-vline 
WA_WDFR_DISP_STR-KABE sy-vline 
WA_WDFR_DISP_STR-BEBE sy-vline 
WA_WDFR_DISP_STR-BRBE sy-vline 
WA_WDFR_DISP_STR-OPTI sy-vline 
WA_WDFR_DISP_STR-AVAIL sy-vline 
WA_WDFR_DISP_STR-ROULE sy-vline 
WA_WDFR_DISP_STR-STOCK sy-vline 
WA_WDFR_DISP_STR-SAMKZ sy-vline 
WA_WDFR_DISP_STR-LGORT sy-vline 
WA_WDFR_DISP_STR-BBTYP sy-vline 
WA_WDFR_DISP_STR-BBTEXT sy-vline 
WA_WDFR_DISP_STR-MATKL sy-vline 
WA_WDFR_DISP_STR-AKTMA sy-vline 
WA_WDFR_DISP_STR-EKORG sy-vline 
WA_WDFR_DISP_STR-EKGRP sy-vline 
WA_WDFR_DISP_STR-BEDAT sy-vline 
WA_WDFR_DISP_STR-BSDAT sy-vline 
WA_WDFR_DISP_STR-AVRULE sy-vline 
WA_WDFR_DISP_STR-DEBNR sy-vline 
WA_WDFR_DISP_STR-BUKRS sy-vline 
WA_WDFR_DISP_STR-VKORG sy-vline 
WA_WDFR_DISP_STR-VTWEG sy-vline 
WA_WDFR_DISP_STR-SPART sy-vline 
WA_WDFR_DISP_STR-LAND1 sy-vline 
WA_WDFR_DISP_STR-ERWSE sy-vline 
WA_WDFR_DISP_STR-SPRAS sy-vline 
WA_WDFR_DISP_STR-SAMANZ sy-vline 
WA_WDFR_DISP_STR-VARANZ sy-vline 
WA_WDFR_DISP_STR-LAGAB sy-vline 
WA_WDFR_DISP_STR-LIVAR sy-vline 
WA_WDFR_DISP_STR-VKERV sy-vline 
WA_WDFR_DISP_STR-BSART sy-vline 
WA_WDFR_DISP_STR-PSTYP sy-vline 
WA_WDFR_DISP_STR-KNTTP sy-vline 
WA_WDFR_DISP_STR-MISCH sy-vline 
WA_WDFR_DISP_STR-BPROT sy-vline 
WA_WDFR_DISP_STR-ABNER sy-vline 
WA_WDFR_DISP_STR-ATPER sy-vline 
WA_WDFR_DISP_STR-FVBER sy-vline 
WA_WDFR_DISP_STR-UMSER sy-vline 
WA_WDFR_DISP_STR-BVLER sy-vline 
WA_WDFR_DISP_STR-UAVER sy-vline 
WA_WDFR_DISP_STR-DIFER sy-vline 
WA_WDFR_DISP_STR-INFER sy-vline 
WA_WDFR_DISP_STR-KALER sy-vline 
WA_WDFR_DISP_STR-SORER sy-vline 
WA_WDFR_DISP_STR-TEXT_TITEL sy-vline 
WA_WDFR_DISP_STR-TEXT_TITEL_40 sy-vline 
WA_WDFR_DISP_STR-FBEZCH sy-vline 
WA_WDFR_DISP_STR-ERDAT sy-vline 
WA_WDFR_DISP_STR-AEDAT sy-vline 
WA_WDFR_DISP_STR-ERNAM sy-vline 
WA_WDFR_DISP_STR-AENAM sy-vline 
WA_WDFR_DISP_STR-GEDAT sy-vline 
WA_WDFR_DISP_STR-GETIME sy-vline 
WA_WDFR_DISP_STR-KAPPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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