ABAP Select data from SAP table V_T5N5D_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T5N5D_S 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 V_T5N5D_S. 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 V_T5N5D_S 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_V_T5N5D_S TYPE STANDARD TABLE OF V_T5N5D_S,
      WA_V_T5N5D_S TYPE V_T5N5D_S,
      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: <V_T5N5D_S> TYPE V_T5N5D_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T5N5D_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T5N5D_S
  INTO TABLE IT_V_T5N5D_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T5N5D_S
*  INTO TABLE @DATA(IT_V_T5N5D_S2).
*--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_V_T5N5D_S INDEX 1 INTO DATA(WA_V_T5N5D_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T5N5D_S ASSIGNING <V_T5N5D_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T5N5D_S>-MANDT = 1.
<V_T5N5D_S>-JUPER = 1.
<V_T5N5D_S>-INSTL = 1.
<V_T5N5D_S>-PERNR = 1.
<V_T5N5D_S>-MELDA = 1.

ENDLOOP.

LOOP AT IT_V_T5N5D_S INTO WA_V_T5N5D_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T5N5D_S-STATU, sy-vline,
  WA_V_T5N5D_S-MELDB, sy-vline,
  WA_V_T5N5D_S-PERSR, sy-vline,
  WA_V_T5N5D_S-MSVRC, sy-vline,
  WA_V_T5N5D_S-VERZR, sy-vline,
  WA_V_T5N5D_S-BEGDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T5N5D_S 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_V_T5N5D_S 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_V_T5N5D_S INTO WA_V_T5N5D_S.


*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_V_T5N5D_S_STR, 
MANDT TYPE STRING,
JUPER TYPE STRING,
INSTL TYPE STRING,
PERNR TYPE STRING,
MELDA TYPE STRING,
STATU TYPE STRING,
MELDB TYPE STRING,
PERSR TYPE STRING,
MSVRC TYPE STRING,
VERZR TYPE STRING,
BEGDA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T5N5D_S_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_V_T5N5D_S_STR-MANDT sy-vline 
WA_V_T5N5D_S_STR-JUPER sy-vline 
WA_V_T5N5D_S_STR-INSTL sy-vline 
WA_V_T5N5D_S_STR-PERNR sy-vline 
WA_V_T5N5D_S_STR-MELDA sy-vline 
WA_V_T5N5D_S_STR-STATU sy-vline 
WA_V_T5N5D_S_STR-MELDB sy-vline 
WA_V_T5N5D_S_STR-PERSR sy-vline 
WA_V_T5N5D_S_STR-MSVRC sy-vline 
WA_V_T5N5D_S_STR-VERZR sy-vline 
WA_V_T5N5D_S_STR-BEGDA sy-vline      INTO ld_text SEPARATED BY SPACE.

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