ABAP Select data from SAP table BUKU_S_TVALXXPART into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUKU_S_TVALXXPART
*  INTO TABLE @DATA(IT_BUKU_S_TVALXXPART2).
*--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_BUKU_S_TVALXXPART INDEX 1 INTO DATA(WA_BUKU_S_TVALXXPART2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUKU_S_TVALXXPART>-TVAL01 = 1.
<BUKU_S_TVALXXPART>-TVAL02 = 1.
<BUKU_S_TVALXXPART>-TVAL03 = 1.
<BUKU_S_TVALXXPART>-TVAL04 = 1.
<BUKU_S_TVALXXPART>-TVAL05 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUKU_S_TVALXXPART-TVAL06, sy-vline,
  WA_BUKU_S_TVALXXPART-TVAL07, sy-vline,
  WA_BUKU_S_TVALXXPART-TVAL08, sy-vline,
  WA_BUKU_S_TVALXXPART-TVAL09, sy-vline,
  WA_BUKU_S_TVALXXPART-TVAL10, sy-vline,
  WA_BUKU_S_TVALXXPART-TVAL11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUKU_S_TVALXXPART 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_BUKU_S_TVALXXPART 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_BUKU_S_TVALXXPART INTO WA_BUKU_S_TVALXXPART.


*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_BUKU_S_TVALXXPART_STR, 
TVAL01 TYPE STRING,
TVAL02 TYPE STRING,
TVAL03 TYPE STRING,
TVAL04 TYPE STRING,
TVAL05 TYPE STRING,
TVAL06 TYPE STRING,
TVAL07 TYPE STRING,
TVAL08 TYPE STRING,
TVAL09 TYPE STRING,
TVAL10 TYPE STRING,
TVAL11 TYPE STRING,
TVAL12 TYPE STRING,
TVAL13 TYPE STRING,
TVAL14 TYPE STRING,
TVAL15 TYPE STRING,
TVAL16 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUKU_S_TVALXXPART_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_BUKU_S_TVALXXPART_STR-TVAL01 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL02 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL03 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL04 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL05 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL06 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL07 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL08 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL09 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL10 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL11 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL12 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL13 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL14 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL15 sy-vline 
WA_BUKU_S_TVALXXPART_STR-TVAL16 sy-vline      INTO ld_text SEPARATED BY SPACE.

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