ABAP Select data from SAP table AFVGD_UPD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP AFVGD_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 AFVGD_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 AFVGD_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_AFVGD_UPD TYPE STANDARD TABLE OF AFVGD_UPD,
      WA_AFVGD_UPD TYPE AFVGD_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: <AFVGD_UPD> TYPE AFVGD_UPD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AFVGD_UPD
*  INTO TABLE @DATA(IT_AFVGD_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_AFVGD_UPD INDEX 1 INTO DATA(WA_AFVGD_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AFVGD_UPD>-AUFNR = 1.
<AFVGD_UPD>-VORNR = 1.
<AFVGD_UPD>-STEUS = 1.
<AFVGD_UPD>-WERKS = 1.
<AFVGD_UPD>-ARBPL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AFVGD_UPD-LTXA1, sy-vline,
  WA_AFVGD_UPD-PROJN, sy-vline,
  WA_AFVGD_UPD-ARBEI, sy-vline,
  WA_AFVGD_UPD-ARBEH, sy-vline,
  WA_AFVGD_UPD-INDET, sy-vline,
  WA_AFVGD_UPD-LARNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AFVGD_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_AFVGD_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_AFVGD_UPD INTO WA_AFVGD_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.

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_AFVGD_UPD-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AFVGD_UPD-VORNR.
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_AFVGD_UPD_STR, 
AUFNR TYPE STRING,
VORNR TYPE STRING,
STEUS TYPE STRING,
WERKS TYPE STRING,
ARBPL TYPE STRING,
LTXA1 TYPE STRING,
PROJN TYPE STRING,
ARBEI TYPE STRING,
ARBEH TYPE STRING,
INDET TYPE STRING,
LARNT TYPE STRING,
NPRIO TYPE STRING,
MLSTN TYPE STRING,
VERTL TYPE STRING,
ANZZL TYPE STRING,
PRZNT TYPE STRING,
AUFKT TYPE STRING,
KTSCH TYPE STRING,
DAUNO TYPE STRING,
DAUNE TYPE STRING,
DAUMI TYPE STRING,
DAUME TYPE STRING,
DDEHN TYPE STRING,
KALID TYPE STRING,
RSTRA TYPE STRING,
INFNR TYPE STRING,
LIFNR TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
MATKL TYPE STRING,
KONNR TYPE STRING,
KTPNR TYPE STRING,
PREIS TYPE STRING,
PEINH TYPE STRING,
WAERS TYPE STRING,
SAKTO TYPE STRING,
KZFIX TYPE STRING,
PLIFZ TYPE STRING,
LOSVG TYPE STRING,
LOSME TYPE STRING,
NO_DISP TYPE STRING,
SORTL TYPE STRING,
AFNAM TYPE STRING,
WEMPF TYPE STRING,
BEDNR TYPE STRING,
ABLAD TYPE STRING,
EINSA TYPE STRING,
EINSE TYPE STRING,
NTANF TYPE STRING,
NTANZ TYPE STRING,
NTEND TYPE STRING,
NTENZ TYPE STRING,
EWSTE TYPE STRING,
EWSTA TYPE STRING,
EWSTD TYPE STRING,
EWSTZ TYPE STRING,
EWEND TYPE STRING,
EWENZ TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
AENNR TYPE STRING,
RFPNT TYPE STRING,
KALSM TYPE STRING,
ZSCHL TYPE STRING,
TXJCD TYPE STRING,
SCOPE TYPE STRING,
PRKST TYPE STRING,
CLASF TYPE STRING,
ANFKO TYPE STRING,
FSAVD TYPE STRING,
FSAVZ TYPE STRING,
FSEDD TYPE STRING,
FSEDZ TYPE STRING,
SSAVD TYPE STRING,
SSAVZ TYPE STRING,
SSEDD TYPE STRING,
SSEDZ TYPE STRING,
PUFFR TYPE STRING,
SLWID TYPE STRING,
USR00 TYPE STRING,
USR01 TYPE STRING,
USR02 TYPE STRING,
USR03 TYPE STRING,
USR04 TYPE STRING,
USE04 TYPE STRING,
USR05 TYPE STRING,
USE05 TYPE STRING,
USR06 TYPE STRING,
USE06 TYPE STRING,
USR07 TYPE STRING,
USE07 TYPE STRING,
USR08 TYPE STRING,
USR09 TYPE STRING,
USR10 TYPE STRING,
USR11 TYPE STRING,
EWDAN TYPE STRING,
EWDNE TYPE STRING,
EWDAM TYPE STRING,
EWDME TYPE STRING,
MEINH TYPE STRING,
PUFGS TYPE STRING,
FPAVD TYPE STRING,
FPAVZ TYPE STRING,
FPEDD TYPE STRING,
FPEDZ TYPE STRING,
SPAVD TYPE STRING,
SPAVZ TYPE STRING,
SPEDD TYPE STRING,
SPEDZ TYPE STRING,
PUFFP TYPE STRING,
PUFGP TYPE STRING,
PERNR TYPE STRING,
FUNC_AREA TYPE STRING,
OFFSTB TYPE STRING,
EHOFFB TYPE STRING,
OFFSTE TYPE STRING,
EHOFFE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AFVGD_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_AFVGD_UPD_STR-AUFNR sy-vline 
WA_AFVGD_UPD_STR-VORNR sy-vline 
WA_AFVGD_UPD_STR-STEUS sy-vline 
WA_AFVGD_UPD_STR-WERKS sy-vline 
WA_AFVGD_UPD_STR-ARBPL sy-vline 
WA_AFVGD_UPD_STR-LTXA1 sy-vline 
WA_AFVGD_UPD_STR-PROJN sy-vline 
WA_AFVGD_UPD_STR-ARBEI sy-vline 
WA_AFVGD_UPD_STR-ARBEH sy-vline 
WA_AFVGD_UPD_STR-INDET sy-vline 
WA_AFVGD_UPD_STR-LARNT sy-vline 
WA_AFVGD_UPD_STR-NPRIO sy-vline 
WA_AFVGD_UPD_STR-MLSTN sy-vline 
WA_AFVGD_UPD_STR-VERTL sy-vline 
WA_AFVGD_UPD_STR-ANZZL sy-vline 
WA_AFVGD_UPD_STR-PRZNT sy-vline 
WA_AFVGD_UPD_STR-AUFKT sy-vline 
WA_AFVGD_UPD_STR-KTSCH sy-vline 
WA_AFVGD_UPD_STR-DAUNO sy-vline 
WA_AFVGD_UPD_STR-DAUNE sy-vline 
WA_AFVGD_UPD_STR-DAUMI sy-vline 
WA_AFVGD_UPD_STR-DAUME sy-vline 
WA_AFVGD_UPD_STR-DDEHN sy-vline 
WA_AFVGD_UPD_STR-KALID sy-vline 
WA_AFVGD_UPD_STR-RSTRA sy-vline 
WA_AFVGD_UPD_STR-INFNR sy-vline 
WA_AFVGD_UPD_STR-LIFNR sy-vline 
WA_AFVGD_UPD_STR-EKORG sy-vline 
WA_AFVGD_UPD_STR-EKGRP sy-vline 
WA_AFVGD_UPD_STR-MATKL sy-vline 
WA_AFVGD_UPD_STR-KONNR sy-vline 
WA_AFVGD_UPD_STR-KTPNR sy-vline 
WA_AFVGD_UPD_STR-PREIS sy-vline 
WA_AFVGD_UPD_STR-PEINH sy-vline 
WA_AFVGD_UPD_STR-WAERS sy-vline 
WA_AFVGD_UPD_STR-SAKTO sy-vline 
WA_AFVGD_UPD_STR-KZFIX sy-vline 
WA_AFVGD_UPD_STR-PLIFZ sy-vline 
WA_AFVGD_UPD_STR-LOSVG sy-vline 
WA_AFVGD_UPD_STR-LOSME sy-vline 
WA_AFVGD_UPD_STR-NO_DISP sy-vline 
WA_AFVGD_UPD_STR-SORTL sy-vline 
WA_AFVGD_UPD_STR-AFNAM sy-vline 
WA_AFVGD_UPD_STR-WEMPF sy-vline 
WA_AFVGD_UPD_STR-BEDNR sy-vline 
WA_AFVGD_UPD_STR-ABLAD sy-vline 
WA_AFVGD_UPD_STR-EINSA sy-vline 
WA_AFVGD_UPD_STR-EINSE sy-vline 
WA_AFVGD_UPD_STR-NTANF sy-vline 
WA_AFVGD_UPD_STR-NTANZ sy-vline 
WA_AFVGD_UPD_STR-NTEND sy-vline 
WA_AFVGD_UPD_STR-NTENZ sy-vline 
WA_AFVGD_UPD_STR-EWSTE sy-vline 
WA_AFVGD_UPD_STR-EWSTA sy-vline 
WA_AFVGD_UPD_STR-EWSTD sy-vline 
WA_AFVGD_UPD_STR-EWSTZ sy-vline 
WA_AFVGD_UPD_STR-EWEND sy-vline 
WA_AFVGD_UPD_STR-EWENZ sy-vline 
WA_AFVGD_UPD_STR-GSBER sy-vline 
WA_AFVGD_UPD_STR-PRCTR sy-vline 
WA_AFVGD_UPD_STR-AENNR sy-vline 
WA_AFVGD_UPD_STR-RFPNT sy-vline 
WA_AFVGD_UPD_STR-KALSM sy-vline 
WA_AFVGD_UPD_STR-ZSCHL sy-vline 
WA_AFVGD_UPD_STR-TXJCD sy-vline 
WA_AFVGD_UPD_STR-SCOPE sy-vline 
WA_AFVGD_UPD_STR-PRKST sy-vline 
WA_AFVGD_UPD_STR-CLASF sy-vline 
WA_AFVGD_UPD_STR-ANFKO sy-vline 
WA_AFVGD_UPD_STR-FSAVD sy-vline 
WA_AFVGD_UPD_STR-FSAVZ sy-vline 
WA_AFVGD_UPD_STR-FSEDD sy-vline 
WA_AFVGD_UPD_STR-FSEDZ sy-vline 
WA_AFVGD_UPD_STR-SSAVD sy-vline 
WA_AFVGD_UPD_STR-SSAVZ sy-vline 
WA_AFVGD_UPD_STR-SSEDD sy-vline 
WA_AFVGD_UPD_STR-SSEDZ sy-vline 
WA_AFVGD_UPD_STR-PUFFR sy-vline 
WA_AFVGD_UPD_STR-SLWID sy-vline 
WA_AFVGD_UPD_STR-USR00 sy-vline 
WA_AFVGD_UPD_STR-USR01 sy-vline 
WA_AFVGD_UPD_STR-USR02 sy-vline 
WA_AFVGD_UPD_STR-USR03 sy-vline 
WA_AFVGD_UPD_STR-USR04 sy-vline 
WA_AFVGD_UPD_STR-USE04 sy-vline 
WA_AFVGD_UPD_STR-USR05 sy-vline 
WA_AFVGD_UPD_STR-USE05 sy-vline 
WA_AFVGD_UPD_STR-USR06 sy-vline 
WA_AFVGD_UPD_STR-USE06 sy-vline 
WA_AFVGD_UPD_STR-USR07 sy-vline 
WA_AFVGD_UPD_STR-USE07 sy-vline 
WA_AFVGD_UPD_STR-USR08 sy-vline 
WA_AFVGD_UPD_STR-USR09 sy-vline 
WA_AFVGD_UPD_STR-USR10 sy-vline 
WA_AFVGD_UPD_STR-USR11 sy-vline 
WA_AFVGD_UPD_STR-EWDAN sy-vline 
WA_AFVGD_UPD_STR-EWDNE sy-vline 
WA_AFVGD_UPD_STR-EWDAM sy-vline 
WA_AFVGD_UPD_STR-EWDME sy-vline 
WA_AFVGD_UPD_STR-MEINH sy-vline 
WA_AFVGD_UPD_STR-PUFGS sy-vline 
WA_AFVGD_UPD_STR-FPAVD sy-vline 
WA_AFVGD_UPD_STR-FPAVZ sy-vline 
WA_AFVGD_UPD_STR-FPEDD sy-vline 
WA_AFVGD_UPD_STR-FPEDZ sy-vline 
WA_AFVGD_UPD_STR-SPAVD sy-vline 
WA_AFVGD_UPD_STR-SPAVZ sy-vline 
WA_AFVGD_UPD_STR-SPEDD sy-vline 
WA_AFVGD_UPD_STR-SPEDZ sy-vline 
WA_AFVGD_UPD_STR-PUFFP sy-vline 
WA_AFVGD_UPD_STR-PUFGP sy-vline 
WA_AFVGD_UPD_STR-PERNR sy-vline 
WA_AFVGD_UPD_STR-FUNC_AREA sy-vline 
WA_AFVGD_UPD_STR-OFFSTB sy-vline 
WA_AFVGD_UPD_STR-EHOFFB sy-vline 
WA_AFVGD_UPD_STR-OFFSTE sy-vline 
WA_AFVGD_UPD_STR-EHOFFE sy-vline      INTO ld_text SEPARATED BY SPACE.

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