ABAP Select data from SAP table FUCN_FIDOC_DETAIL_BOE_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FUCN_FIDOC_DETAIL_BOE_DATA
*  INTO TABLE @DATA(IT_FUCN_FIDOC_DETAIL_BOE_DATA2).
*--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_FUCN_FIDOC_DETAIL_BOE_DATA INDEX 1 INTO DATA(WA_FUCN_FIDOC_DETAIL_BOE_DATA2).


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

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

ENDLOOP.

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

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


*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_FUCN_FIDOC_DETAIL_BOE_DATA-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUCN_FIDOC_DETAIL_BOE_DATA-BELNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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