ABAP Select data from SAP table AFVGD_UPDATE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP AFVGD_UPDATE 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_UPDATE. 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_UPDATE 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_UPDATE TYPE STANDARD TABLE OF AFVGD_UPDATE,
      WA_AFVGD_UPDATE TYPE AFVGD_UPDATE,
      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_UPDATE> TYPE AFVGD_UPDATE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AFVGD_UPDATE
*  INTO TABLE @DATA(IT_AFVGD_UPDATE2).
*--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_UPDATE INDEX 1 INTO DATA(WA_AFVGD_UPDATE2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AFVGD_UPDATE-LTXA1, sy-vline,
  WA_AFVGD_UPDATE-LIFNR, sy-vline,
  WA_AFVGD_UPDATE-PREIS, sy-vline,
  WA_AFVGD_UPDATE-PEINH, sy-vline,
  WA_AFVGD_UPDATE-SAKTO, sy-vline,
  WA_AFVGD_UPDATE-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AFVGD_UPDATE 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_UPDATE 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_UPDATE INTO WA_AFVGD_UPDATE.


*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_AFVGD_UPDATE_STR, 
AUFNR TYPE STRING,
VORNR TYPE STRING,
STEUS TYPE STRING,
ARBPL TYPE STRING,
WERKS TYPE STRING,
LTXA1 TYPE STRING,
LIFNR TYPE STRING,
PREIS TYPE STRING,
PEINH TYPE STRING,
SAKTO TYPE STRING,
WAERS TYPE STRING,
INFNR TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
MATKL TYPE STRING,
DDEHN TYPE STRING,
ANZZL TYPE STRING,
PRZNT TYPE STRING,
MLSTN TYPE STRING,
LARNT TYPE STRING,
PRKST TYPE STRING,
PSPID TYPE STRING,
PROJN TYPE STRING,
KALID TYPE STRING,
VERTL TYPE STRING,
NPRIO TYPE STRING,
TXJCD TYPE STRING,
SCOPE TYPE STRING,
PRCTR TYPE STRING,
NO_DISP TYPE STRING,
CLASF TYPE STRING,
MEINH TYPE STRING,
PLIFZ TYPE STRING,
DAUNO TYPE STRING,
DAUNE TYPE STRING,
DAUMI TYPE STRING,
DAUME TYPE STRING,
EINSA TYPE STRING,
EINSE TYPE STRING,
ARBEI TYPE STRING,
ARBEH 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,
PUFGS TYPE STRING,
NTANF TYPE STRING,
NTANZ TYPE STRING,
NTEND TYPE STRING,
NTENZ 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,
EWSTE TYPE STRING,
EWSTA TYPE STRING,
EWSTD TYPE STRING,
EWSTZ TYPE STRING,
EWEND TYPE STRING,
EWENZ 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,
OFFSTB TYPE STRING,
EHOFFB TYPE STRING,
OFFSTE TYPE STRING,
EHOFFE TYPE STRING,
FUNC_AREA TYPE STRING,
PERNR TYPE STRING,
RFPNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AFVGD_UPDATE_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_UPDATE_STR-AUFNR sy-vline 
WA_AFVGD_UPDATE_STR-VORNR sy-vline 
WA_AFVGD_UPDATE_STR-STEUS sy-vline 
WA_AFVGD_UPDATE_STR-ARBPL sy-vline 
WA_AFVGD_UPDATE_STR-WERKS sy-vline 
WA_AFVGD_UPDATE_STR-LTXA1 sy-vline 
WA_AFVGD_UPDATE_STR-LIFNR sy-vline 
WA_AFVGD_UPDATE_STR-PREIS sy-vline 
WA_AFVGD_UPDATE_STR-PEINH sy-vline 
WA_AFVGD_UPDATE_STR-SAKTO sy-vline 
WA_AFVGD_UPDATE_STR-WAERS sy-vline 
WA_AFVGD_UPDATE_STR-INFNR sy-vline 
WA_AFVGD_UPDATE_STR-EKORG sy-vline 
WA_AFVGD_UPDATE_STR-EKGRP sy-vline 
WA_AFVGD_UPDATE_STR-MATKL sy-vline 
WA_AFVGD_UPDATE_STR-DDEHN sy-vline 
WA_AFVGD_UPDATE_STR-ANZZL sy-vline 
WA_AFVGD_UPDATE_STR-PRZNT sy-vline 
WA_AFVGD_UPDATE_STR-MLSTN sy-vline 
WA_AFVGD_UPDATE_STR-LARNT sy-vline 
WA_AFVGD_UPDATE_STR-PRKST sy-vline 
WA_AFVGD_UPDATE_STR-PSPID sy-vline 
WA_AFVGD_UPDATE_STR-PROJN sy-vline 
WA_AFVGD_UPDATE_STR-KALID sy-vline 
WA_AFVGD_UPDATE_STR-VERTL sy-vline 
WA_AFVGD_UPDATE_STR-NPRIO sy-vline 
WA_AFVGD_UPDATE_STR-TXJCD sy-vline 
WA_AFVGD_UPDATE_STR-SCOPE sy-vline 
WA_AFVGD_UPDATE_STR-PRCTR sy-vline 
WA_AFVGD_UPDATE_STR-NO_DISP sy-vline 
WA_AFVGD_UPDATE_STR-CLASF sy-vline 
WA_AFVGD_UPDATE_STR-MEINH sy-vline 
WA_AFVGD_UPDATE_STR-PLIFZ sy-vline 
WA_AFVGD_UPDATE_STR-DAUNO sy-vline 
WA_AFVGD_UPDATE_STR-DAUNE sy-vline 
WA_AFVGD_UPDATE_STR-DAUMI sy-vline 
WA_AFVGD_UPDATE_STR-DAUME sy-vline 
WA_AFVGD_UPDATE_STR-EINSA sy-vline 
WA_AFVGD_UPDATE_STR-EINSE sy-vline 
WA_AFVGD_UPDATE_STR-ARBEI sy-vline 
WA_AFVGD_UPDATE_STR-ARBEH sy-vline 
WA_AFVGD_UPDATE_STR-FSAVD sy-vline 
WA_AFVGD_UPDATE_STR-FSAVZ sy-vline 
WA_AFVGD_UPDATE_STR-FSEDD sy-vline 
WA_AFVGD_UPDATE_STR-FSEDZ sy-vline 
WA_AFVGD_UPDATE_STR-SSAVD sy-vline 
WA_AFVGD_UPDATE_STR-SSAVZ sy-vline 
WA_AFVGD_UPDATE_STR-SSEDD sy-vline 
WA_AFVGD_UPDATE_STR-SSEDZ sy-vline 
WA_AFVGD_UPDATE_STR-PUFFR sy-vline 
WA_AFVGD_UPDATE_STR-PUFGS sy-vline 
WA_AFVGD_UPDATE_STR-NTANF sy-vline 
WA_AFVGD_UPDATE_STR-NTANZ sy-vline 
WA_AFVGD_UPDATE_STR-NTEND sy-vline 
WA_AFVGD_UPDATE_STR-NTENZ sy-vline 
WA_AFVGD_UPDATE_STR-SLWID sy-vline 
WA_AFVGD_UPDATE_STR-USR00 sy-vline 
WA_AFVGD_UPDATE_STR-USR01 sy-vline 
WA_AFVGD_UPDATE_STR-USR02 sy-vline 
WA_AFVGD_UPDATE_STR-USR03 sy-vline 
WA_AFVGD_UPDATE_STR-USR04 sy-vline 
WA_AFVGD_UPDATE_STR-USE04 sy-vline 
WA_AFVGD_UPDATE_STR-USR05 sy-vline 
WA_AFVGD_UPDATE_STR-USE05 sy-vline 
WA_AFVGD_UPDATE_STR-USR06 sy-vline 
WA_AFVGD_UPDATE_STR-USE06 sy-vline 
WA_AFVGD_UPDATE_STR-USR07 sy-vline 
WA_AFVGD_UPDATE_STR-USE07 sy-vline 
WA_AFVGD_UPDATE_STR-USR08 sy-vline 
WA_AFVGD_UPDATE_STR-USR09 sy-vline 
WA_AFVGD_UPDATE_STR-USR10 sy-vline 
WA_AFVGD_UPDATE_STR-USR11 sy-vline 
WA_AFVGD_UPDATE_STR-EWDAN sy-vline 
WA_AFVGD_UPDATE_STR-EWDNE sy-vline 
WA_AFVGD_UPDATE_STR-EWDAM sy-vline 
WA_AFVGD_UPDATE_STR-EWDME sy-vline 
WA_AFVGD_UPDATE_STR-EWSTE sy-vline 
WA_AFVGD_UPDATE_STR-EWSTA sy-vline 
WA_AFVGD_UPDATE_STR-EWSTD sy-vline 
WA_AFVGD_UPDATE_STR-EWSTZ sy-vline 
WA_AFVGD_UPDATE_STR-EWEND sy-vline 
WA_AFVGD_UPDATE_STR-EWENZ sy-vline 
WA_AFVGD_UPDATE_STR-FPAVD sy-vline 
WA_AFVGD_UPDATE_STR-FPAVZ sy-vline 
WA_AFVGD_UPDATE_STR-FPEDD sy-vline 
WA_AFVGD_UPDATE_STR-FPEDZ sy-vline 
WA_AFVGD_UPDATE_STR-SPAVD sy-vline 
WA_AFVGD_UPDATE_STR-SPAVZ sy-vline 
WA_AFVGD_UPDATE_STR-SPEDD sy-vline 
WA_AFVGD_UPDATE_STR-SPEDZ sy-vline 
WA_AFVGD_UPDATE_STR-PUFFP sy-vline 
WA_AFVGD_UPDATE_STR-OFFSTB sy-vline 
WA_AFVGD_UPDATE_STR-EHOFFB sy-vline 
WA_AFVGD_UPDATE_STR-OFFSTE sy-vline 
WA_AFVGD_UPDATE_STR-EHOFFE sy-vline 
WA_AFVGD_UPDATE_STR-FUNC_AREA sy-vline 
WA_AFVGD_UPDATE_STR-PERNR sy-vline 
WA_AFVGD_UPDATE_STR-RFPNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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