ABAP Select data from SAP table FUDS_BSED_EX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FUDS_BSED_EX
*  INTO TABLE @DATA(IT_FUDS_BSED_EX2).
*--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_FUDS_BSED_EX INDEX 1 INTO DATA(WA_FUDS_BSED_EX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FUDS_BSED_EX>-MANDT = 1.
<FUDS_BSED_EX>-BUKRS = 1.
<FUDS_BSED_EX>-BELNR = 1.
<FUDS_BSED_EX>-GJAHR = 1.
<FUDS_BSED_EX>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FUDS_BSED_EX-WELGF, sy-vline,
  WA_FUDS_BSED_EX-WSTKZ, sy-vline,
  WA_FUDS_BSED_EX-WSTHW, sy-vline,
  WA_FUDS_BSED_EX-WSTFW, sy-vline,
  WA_FUDS_BSED_EX-WINHW, sy-vline,
  WA_FUDS_BSED_EX-WINFW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FUDS_BSED_EX 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_FUDS_BSED_EX 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_FUDS_BSED_EX INTO WA_FUDS_BSED_EX.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_BSED_EX-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_BSED_EX-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WSTHW
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_BSED_EX-WSTHW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_BSED_EX-WSTHW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WSTFW
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_BSED_EX-WSTFW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_BSED_EX-WSTFW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WINHW
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_BSED_EX-WINHW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_BSED_EX-WINHW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WINFW
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_BSED_EX-WINFW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_BSED_EX-WINFW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VENDR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_BSED_EX-VENDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_BSED_EX-VENDR.
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_FUDS_BSED_EX_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
WELGF TYPE STRING,
WSTKZ TYPE STRING,
WSTHW TYPE STRING,
WSTFW TYPE STRING,
WINHW TYPE STRING,
WINFW TYPE STRING,
WMWKZ TYPE STRING,
WDATE TYPE STRING,
WVERD TYPE STRING,
WEVWV TYPE STRING,
WBANK TYPE STRING,
WNAME TYPE STRING,
WLZBP TYPE STRING,
WORT1 TYPE STRING,
WBZOG TYPE STRING,
WORT2 TYPE STRING,
DISKT TYPE STRING,
DISKP TYPE STRING,
XAKTZ TYPE STRING,
REGIO TYPE STRING,
WSTAT TYPE STRING,
WGBKZ TYPE STRING,
XSIWE TYPE STRING,
BUPLA TYPE STRING,
SECCO TYPE STRING,
PORTF TYPE STRING,
BOENO TYPE STRING,
BANK TYPE STRING,
ACCOU TYPE STRING,
VENDR TYPE STRING,
_DATAAGING TYPE STRING,
XVERIFDOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FUDS_BSED_EX_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_FUDS_BSED_EX_STR-MANDT sy-vline 
WA_FUDS_BSED_EX_STR-BUKRS sy-vline 
WA_FUDS_BSED_EX_STR-BELNR sy-vline 
WA_FUDS_BSED_EX_STR-GJAHR sy-vline 
WA_FUDS_BSED_EX_STR-BUZEI sy-vline 
WA_FUDS_BSED_EX_STR-WELGF sy-vline 
WA_FUDS_BSED_EX_STR-WSTKZ sy-vline 
WA_FUDS_BSED_EX_STR-WSTHW sy-vline 
WA_FUDS_BSED_EX_STR-WSTFW sy-vline 
WA_FUDS_BSED_EX_STR-WINHW sy-vline 
WA_FUDS_BSED_EX_STR-WINFW sy-vline 
WA_FUDS_BSED_EX_STR-WMWKZ sy-vline 
WA_FUDS_BSED_EX_STR-WDATE sy-vline 
WA_FUDS_BSED_EX_STR-WVERD sy-vline 
WA_FUDS_BSED_EX_STR-WEVWV sy-vline 
WA_FUDS_BSED_EX_STR-WBANK sy-vline 
WA_FUDS_BSED_EX_STR-WNAME sy-vline 
WA_FUDS_BSED_EX_STR-WLZBP sy-vline 
WA_FUDS_BSED_EX_STR-WORT1 sy-vline 
WA_FUDS_BSED_EX_STR-WBZOG sy-vline 
WA_FUDS_BSED_EX_STR-WORT2 sy-vline 
WA_FUDS_BSED_EX_STR-DISKT sy-vline 
WA_FUDS_BSED_EX_STR-DISKP sy-vline 
WA_FUDS_BSED_EX_STR-XAKTZ sy-vline 
WA_FUDS_BSED_EX_STR-REGIO sy-vline 
WA_FUDS_BSED_EX_STR-WSTAT sy-vline 
WA_FUDS_BSED_EX_STR-WGBKZ sy-vline 
WA_FUDS_BSED_EX_STR-XSIWE sy-vline 
WA_FUDS_BSED_EX_STR-BUPLA sy-vline 
WA_FUDS_BSED_EX_STR-SECCO sy-vline 
WA_FUDS_BSED_EX_STR-PORTF sy-vline 
WA_FUDS_BSED_EX_STR-BOENO sy-vline 
WA_FUDS_BSED_EX_STR-BANK sy-vline 
WA_FUDS_BSED_EX_STR-ACCOU sy-vline 
WA_FUDS_BSED_EX_STR-VENDR sy-vline 
WA_FUDS_BSED_EX_STR-_DATAAGING sy-vline 
WA_FUDS_BSED_EX_STR-XVERIFDOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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