ABAP Select data from SAP table FIBOE_DUNN_S_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIBOE_DUNN_S_HEADER
*  INTO TABLE @DATA(IT_FIBOE_DUNN_S_HEADER2).
*--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_FIBOE_DUNN_S_HEADER INDEX 1 INTO DATA(WA_FIBOE_DUNN_S_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIBOE_DUNN_S_HEADER>-ADRNR = 1.
<FIBOE_DUNN_S_HEADER>-LINE0 = 1.
<FIBOE_DUNN_S_HEADER>-LINE1 = 1.
<FIBOE_DUNN_S_HEADER>-LINE2 = 1.
<FIBOE_DUNN_S_HEADER>-LINE3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIBOE_DUNN_S_HEADER-LINE4, sy-vline,
  WA_FIBOE_DUNN_S_HEADER-LINE5, sy-vline,
  WA_FIBOE_DUNN_S_HEADER-LINE6, sy-vline,
  WA_FIBOE_DUNN_S_HEADER-LINE7, sy-vline,
  WA_FIBOE_DUNN_S_HEADER-LINE8, sy-vline,
  WA_FIBOE_DUNN_S_HEADER-LINE9, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIBOE_DUNN_S_HEADER 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_FIBOE_DUNN_S_HEADER 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_FIBOE_DUNN_S_HEADER INTO WA_FIBOE_DUNN_S_HEADER.


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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FIBOE_DUNN_S_HEADER-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIBOE_DUNN_S_HEADER-SPRAS.
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_FIBOE_DUNN_S_HEADER_STR, 
ADRNR TYPE STRING,
LINE0 TYPE STRING,
LINE1 TYPE STRING,
LINE2 TYPE STRING,
LINE3 TYPE STRING,
LINE4 TYPE STRING,
LINE5 TYPE STRING,
LINE6 TYPE STRING,
LINE7 TYPE STRING,
LINE8 TYPE STRING,
LINE9 TYPE STRING,
WMANLAUFD TYPE STRING,
VONDT TYPE STRING,
BISDT TYPE STRING,
FAELL TYPE STRING,
TXTKO TYPE STRING,
TXTFU TYPE STRING,
TXTUN TYPE STRING,
TXTAB TYPE STRING,
HEADER TYPE STRING,
FOOTER TYPE STRING,
SENDER TYPE STRING,
GREETINGS TYPE STRING,
LOGO TYPE STRING,
GRAPH TYPE STRING,
BUKRS TYPE STRING,
SALUT TYPE STRING,
FNAME TYPE STRING,
LNAME TYPE STRING,
NAMP1 TYPE STRING,
NAMP2 TYPE STRING,
ID_CODE TYPE STRING,
SPRAS TYPE STRING,
ABTEI TYPE STRING,
FUNCTION TYPE STRING,
KOSTL TYPE STRING,
ROOMN TYPE STRING,
BUILD TYPE STRING,
FLOOR_C TYPE STRING,
IH_MAIL TYPE STRING,
TELF1 TYPE STRING,
TEL_EXTEN1 TYPE STRING,
TELF2 TYPE STRING,
TEL_EXTEN2 TYPE STRING,
TELFX TYPE STRING,
FAX_EXTENS TYPE STRING,
INTAD TYPE STRING,
USRNAM TYPE STRING,
COUNTRY_TEL TYPE STRING,
TELNR_LONG TYPE STRING,
COUNTRY_FAX TYPE STRING,
FAXNR_LONG TYPE STRING,
COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIBOE_DUNN_S_HEADER_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_FIBOE_DUNN_S_HEADER_STR-ADRNR sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE0 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE1 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE2 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE3 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE4 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE5 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE6 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE7 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE8 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LINE9 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-WMANLAUFD sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-VONDT sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-BISDT sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-FAELL sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TXTKO sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TXTFU sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TXTUN sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TXTAB sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-HEADER sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-FOOTER sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-SENDER sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-GREETINGS sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LOGO sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-GRAPH sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-BUKRS sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-SALUT sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-FNAME sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-LNAME sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-NAMP1 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-NAMP2 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-ID_CODE sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-SPRAS sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-ABTEI sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-FUNCTION sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-KOSTL sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-ROOMN sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-BUILD sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-FLOOR_C sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-IH_MAIL sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TELF1 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TEL_EXTEN1 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TELF2 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TEL_EXTEN2 sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TELFX sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-FAX_EXTENS sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-INTAD sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-USRNAM sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-COUNTRY_TEL sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-TELNR_LONG sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-COUNTRY_FAX sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-FAXNR_LONG sy-vline 
WA_FIBOE_DUNN_S_HEADER_STR-COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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