ABAP Select data from SAP table CAUFVD_UPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAUFVD_UPD
*  INTO TABLE @DATA(IT_CAUFVD_UPD2).
*--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_CAUFVD_UPD INDEX 1 INTO DATA(WA_CAUFVD_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAUFVD_UPD>-DISPO = 1.
<CAUFVD_UPD>-KTEXT = 1.
<CAUFVD_UPD>-GSTRP = 1.
<CAUFVD_UPD>-GLTRP = 1.
<CAUFVD_UPD>-TERKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAUFVD_UPD-GSTPP, sy-vline,
  WA_CAUFVD_UPD-GLTPP, sy-vline,
  WA_CAUFVD_UPD-TRKZP, sy-vline,
  WA_CAUFVD_UPD-NAUTERM, sy-vline,
  WA_CAUFVD_UPD-NAUCOST, sy-vline,
  WA_CAUFVD_UPD-NO_DISP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAUFVD_UPD 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_CAUFVD_UPD 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_CAUFVD_UPD INTO WA_CAUFVD_UPD.


*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_CAUFVD_UPD_STR, 
DISPO TYPE STRING,
KTEXT TYPE STRING,
GSTRP TYPE STRING,
GLTRP TYPE STRING,
TERKZ TYPE STRING,
GSTPP TYPE STRING,
GLTPP TYPE STRING,
TRKZP TYPE STRING,
NAUTERM TYPE STRING,
NAUCOST TYPE STRING,
NO_DISP TYPE STRING,
PSPID TYPE STRING,
POSID TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
AUFNT TYPE STRING,
VORNT TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
SCOPE TYPE STRING,
TXJCD TYPE STRING,
PLGRP TYPE STRING,
AENNR TYPE STRING,
APRIO TYPE STRING,
AUFKT TYPE STRING,
KALSM TYPE STRING,
KLVARP TYPE STRING,
KLVARI TYPE STRING,
ZSCHL TYPE STRING,
BREAKS TYPE STRING,
KBED TYPE STRING,
WAERS TYPE STRING,
FUNC_AREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAUFVD_UPD_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_CAUFVD_UPD_STR-DISPO sy-vline 
WA_CAUFVD_UPD_STR-KTEXT sy-vline 
WA_CAUFVD_UPD_STR-GSTRP sy-vline 
WA_CAUFVD_UPD_STR-GLTRP sy-vline 
WA_CAUFVD_UPD_STR-TERKZ sy-vline 
WA_CAUFVD_UPD_STR-GSTPP sy-vline 
WA_CAUFVD_UPD_STR-GLTPP sy-vline 
WA_CAUFVD_UPD_STR-TRKZP sy-vline 
WA_CAUFVD_UPD_STR-NAUTERM sy-vline 
WA_CAUFVD_UPD_STR-NAUCOST sy-vline 
WA_CAUFVD_UPD_STR-NO_DISP sy-vline 
WA_CAUFVD_UPD_STR-PSPID sy-vline 
WA_CAUFVD_UPD_STR-POSID sy-vline 
WA_CAUFVD_UPD_STR-KDAUF sy-vline 
WA_CAUFVD_UPD_STR-KDPOS sy-vline 
WA_CAUFVD_UPD_STR-AUFNT sy-vline 
WA_CAUFVD_UPD_STR-VORNT sy-vline 
WA_CAUFVD_UPD_STR-GSBER sy-vline 
WA_CAUFVD_UPD_STR-PRCTR sy-vline 
WA_CAUFVD_UPD_STR-SCOPE sy-vline 
WA_CAUFVD_UPD_STR-TXJCD sy-vline 
WA_CAUFVD_UPD_STR-PLGRP sy-vline 
WA_CAUFVD_UPD_STR-AENNR sy-vline 
WA_CAUFVD_UPD_STR-APRIO sy-vline 
WA_CAUFVD_UPD_STR-AUFKT sy-vline 
WA_CAUFVD_UPD_STR-KALSM sy-vline 
WA_CAUFVD_UPD_STR-KLVARP sy-vline 
WA_CAUFVD_UPD_STR-KLVARI sy-vline 
WA_CAUFVD_UPD_STR-ZSCHL sy-vline 
WA_CAUFVD_UPD_STR-BREAKS sy-vline 
WA_CAUFVD_UPD_STR-KBED sy-vline 
WA_CAUFVD_UPD_STR-WAERS sy-vline 
WA_CAUFVD_UPD_STR-FUNC_AREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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