ABAP Select data from SAP table VDAUSZ_FIELDS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VDAUSZ_FIELDS
*  INTO TABLE @DATA(IT_VDAUSZ_FIELDS2).
*--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_VDAUSZ_FIELDS INDEX 1 INTO DATA(WA_VDAUSZ_FIELDS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VDAUSZ_FIELDS>-RERF = 1.
<VDAUSZ_FIELDS>-DERF = 1.
<VDAUSZ_FIELDS>-TERF = 1.
<VDAUSZ_FIELDS>-REHER = 1.
<VDAUSZ_FIELDS>-RBEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VDAUSZ_FIELDS-DBEAR, sy-vline,
  WA_VDAUSZ_FIELDS-TBEAR, sy-vline,
  WA_VDAUSZ_FIELDS-RBHER, sy-vline,
  WA_VDAUSZ_FIELDS-SBEWART, sy-vline,
  WA_VDAUSZ_FIELDS-SANLF, sy-vline,
  WA_VDAUSZ_FIELDS-NAME1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VDAUSZ_FIELDS 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_VDAUSZ_FIELDS 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_VDAUSZ_FIELDS INTO WA_VDAUSZ_FIELDS.


*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 PARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VDAUSZ_FIELDS-PARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VDAUSZ_FIELDS-PARTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_VDAUSZ_FIELDS-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VDAUSZ_FIELDS-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RANL_REPLACE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VDAUSZ_FIELDS-RANL_REPLACE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VDAUSZ_FIELDS-RANL_REPLACE.
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_VDAUSZ_FIELDS_STR, 
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
SBEWART TYPE STRING,
SANLF TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
LAND1 TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
PSTL2 TYPE STRING,
PSKTO TYPE STRING,
BANKN TYPE STRING,
BANKL TYPE STRING,
BANKS TYPE STRING,
STCD1 TYPE STRING,
STCD2 TYPE STRING,
STKZU TYPE STRING,
STKZN TYPE STRING,
STKZA TYPE STRING,
REGIO TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
DTAWS TYPE STRING,
DTAMS TYPE STRING,
XCPDK TYPE STRING,
EMPFG TYPE STRING,
VCBTR TYPE STRING,
SCWHR TYPE STRING,
BHWHR TYPE STRING,
ZLSCH TYPE STRING,
PARTNR TYPE STRING,
SGTXT TYPE STRING,
BVTYP TYPE STRING,
SPRAS TYPE STRING,
ANRED TYPE STRING,
DDISPO TYPE STRING,
BUKRS_REPLACE TYPE STRING,
RANL_REPLACE TYPE STRING,
RBO TYPE STRING,
REMIT_INFO TYPE STRING,
IBAN TYPE STRING,
TRANSID TYPE STRING,
RETURNKEY TYPE STRING,
RETURNRSN TYPE STRING,
POREF TYPE STRING,
PIREF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VDAUSZ_FIELDS_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_VDAUSZ_FIELDS_STR-RERF sy-vline 
WA_VDAUSZ_FIELDS_STR-DERF sy-vline 
WA_VDAUSZ_FIELDS_STR-TERF sy-vline 
WA_VDAUSZ_FIELDS_STR-REHER sy-vline 
WA_VDAUSZ_FIELDS_STR-RBEAR sy-vline 
WA_VDAUSZ_FIELDS_STR-DBEAR sy-vline 
WA_VDAUSZ_FIELDS_STR-TBEAR sy-vline 
WA_VDAUSZ_FIELDS_STR-RBHER sy-vline 
WA_VDAUSZ_FIELDS_STR-SBEWART sy-vline 
WA_VDAUSZ_FIELDS_STR-SANLF sy-vline 
WA_VDAUSZ_FIELDS_STR-NAME1 sy-vline 
WA_VDAUSZ_FIELDS_STR-NAME2 sy-vline 
WA_VDAUSZ_FIELDS_STR-NAME3 sy-vline 
WA_VDAUSZ_FIELDS_STR-NAME4 sy-vline 
WA_VDAUSZ_FIELDS_STR-PSTLZ sy-vline 
WA_VDAUSZ_FIELDS_STR-ORT01 sy-vline 
WA_VDAUSZ_FIELDS_STR-LAND1 sy-vline 
WA_VDAUSZ_FIELDS_STR-STRAS sy-vline 
WA_VDAUSZ_FIELDS_STR-PFACH sy-vline 
WA_VDAUSZ_FIELDS_STR-PSTL2 sy-vline 
WA_VDAUSZ_FIELDS_STR-PSKTO sy-vline 
WA_VDAUSZ_FIELDS_STR-BANKN sy-vline 
WA_VDAUSZ_FIELDS_STR-BANKL sy-vline 
WA_VDAUSZ_FIELDS_STR-BANKS sy-vline 
WA_VDAUSZ_FIELDS_STR-STCD1 sy-vline 
WA_VDAUSZ_FIELDS_STR-STCD2 sy-vline 
WA_VDAUSZ_FIELDS_STR-STKZU sy-vline 
WA_VDAUSZ_FIELDS_STR-STKZN sy-vline 
WA_VDAUSZ_FIELDS_STR-STKZA sy-vline 
WA_VDAUSZ_FIELDS_STR-REGIO sy-vline 
WA_VDAUSZ_FIELDS_STR-BKONT sy-vline 
WA_VDAUSZ_FIELDS_STR-BKREF sy-vline 
WA_VDAUSZ_FIELDS_STR-DTAWS sy-vline 
WA_VDAUSZ_FIELDS_STR-DTAMS sy-vline 
WA_VDAUSZ_FIELDS_STR-XCPDK sy-vline 
WA_VDAUSZ_FIELDS_STR-EMPFG sy-vline 
WA_VDAUSZ_FIELDS_STR-VCBTR sy-vline 
WA_VDAUSZ_FIELDS_STR-SCWHR sy-vline 
WA_VDAUSZ_FIELDS_STR-BHWHR sy-vline 
WA_VDAUSZ_FIELDS_STR-ZLSCH sy-vline 
WA_VDAUSZ_FIELDS_STR-PARTNR sy-vline 
WA_VDAUSZ_FIELDS_STR-SGTXT sy-vline 
WA_VDAUSZ_FIELDS_STR-BVTYP sy-vline 
WA_VDAUSZ_FIELDS_STR-SPRAS sy-vline 
WA_VDAUSZ_FIELDS_STR-ANRED sy-vline 
WA_VDAUSZ_FIELDS_STR-DDISPO sy-vline 
WA_VDAUSZ_FIELDS_STR-BUKRS_REPLACE sy-vline 
WA_VDAUSZ_FIELDS_STR-RANL_REPLACE sy-vline 
WA_VDAUSZ_FIELDS_STR-RBO sy-vline 
WA_VDAUSZ_FIELDS_STR-REMIT_INFO sy-vline 
WA_VDAUSZ_FIELDS_STR-IBAN sy-vline 
WA_VDAUSZ_FIELDS_STR-TRANSID sy-vline 
WA_VDAUSZ_FIELDS_STR-RETURNKEY sy-vline 
WA_VDAUSZ_FIELDS_STR-RETURNRSN sy-vline 
WA_VDAUSZ_FIELDS_STR-POREF sy-vline 
WA_VDAUSZ_FIELDS_STR-PIREF sy-vline      INTO ld_text SEPARATED BY SPACE.

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