ABAP Select data from SAP table V_5DCM_2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_5DCM_2 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_5DCM_2. 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_5DCM_2 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_5DCM_2 TYPE STANDARD TABLE OF V_5DCM_2,
      WA_V_5DCM_2 TYPE V_5DCM_2,
      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_5DCM_2> TYPE V_5DCM_2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_5DCM_2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_5DCM_2
  INTO TABLE IT_V_5DCM_2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_5DCM_2
*  INTO TABLE @DATA(IT_V_5DCM_22).
*--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_5DCM_2 INDEX 1 INTO DATA(WA_V_5DCM_22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_5DCM_2 ASSIGNING <V_5DCM_2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_5DCM_2>-MANDT = 1.
<V_5DCM_2>-ANTYP = 1.
<V_5DCM_2>-ANSPR = 1.
<V_5DCM_2>-MODBV = 1.
<V_5DCM_2>-ENDDA = 1.

ENDLOOP.

LOOP AT IT_V_5DCM_2 INTO WA_V_5DCM_2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_5DCM_2-BEGDA, sy-vline,
  WA_V_5DCM_2-ATEXT, sy-vline,
  WA_V_5DCM_2-MBVTX, sy-vline,
  WA_V_5DCM_2-VRFKO, sy-vline,
  WA_V_5DCM_2-KZVFK, sy-vline,
  WA_V_5DCM_2-VRFKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_5DCM_2 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_5DCM_2 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_5DCM_2 INTO WA_V_5DCM_2.


*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_5DCM_2_STR, 
MANDT TYPE STRING,
ANTYP TYPE STRING,
ANSPR TYPE STRING,
MODBV TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
ATEXT TYPE STRING,
MBVTX TYPE STRING,
VRFKO TYPE STRING,
KZVFK TYPE STRING,
VRFKZ TYPE STRING,
IDBEI TYPE STRING,
IDBTX TYPE STRING,
SPBAS TYPE STRING,
BBZRM TYPE STRING,
IDBAA TYPE STRING,
IDBEA TYPE STRING,
BEIMI TYPE STRING,
BEIMA TYPE STRING,
RDBAS TYPE STRING,
RDVBA TYPE STRING,
RDBEI TYPE STRING,
RDVBE TYPE STRING,
IDBAZ TYPE STRING,
TABBV TYPE STRING,
BAEIN TYPE STRING,
KZATM TYPE STRING,
IDVER TYPE STRING,
IDVTX TYPE STRING,
PLART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_5DCM_2_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_5DCM_2_STR-MANDT sy-vline 
WA_V_5DCM_2_STR-ANTYP sy-vline 
WA_V_5DCM_2_STR-ANSPR sy-vline 
WA_V_5DCM_2_STR-MODBV sy-vline 
WA_V_5DCM_2_STR-ENDDA sy-vline 
WA_V_5DCM_2_STR-BEGDA sy-vline 
WA_V_5DCM_2_STR-ATEXT sy-vline 
WA_V_5DCM_2_STR-MBVTX sy-vline 
WA_V_5DCM_2_STR-VRFKO sy-vline 
WA_V_5DCM_2_STR-KZVFK sy-vline 
WA_V_5DCM_2_STR-VRFKZ sy-vline 
WA_V_5DCM_2_STR-IDBEI sy-vline 
WA_V_5DCM_2_STR-IDBTX sy-vline 
WA_V_5DCM_2_STR-SPBAS sy-vline 
WA_V_5DCM_2_STR-BBZRM sy-vline 
WA_V_5DCM_2_STR-IDBAA sy-vline 
WA_V_5DCM_2_STR-IDBEA sy-vline 
WA_V_5DCM_2_STR-BEIMI sy-vline 
WA_V_5DCM_2_STR-BEIMA sy-vline 
WA_V_5DCM_2_STR-RDBAS sy-vline 
WA_V_5DCM_2_STR-RDVBA sy-vline 
WA_V_5DCM_2_STR-RDBEI sy-vline 
WA_V_5DCM_2_STR-RDVBE sy-vline 
WA_V_5DCM_2_STR-IDBAZ sy-vline 
WA_V_5DCM_2_STR-TABBV sy-vline 
WA_V_5DCM_2_STR-BAEIN sy-vline 
WA_V_5DCM_2_STR-KZATM sy-vline 
WA_V_5DCM_2_STR-IDVER sy-vline 
WA_V_5DCM_2_STR-IDVTX sy-vline 
WA_V_5DCM_2_STR-PLART sy-vline      INTO ld_text SEPARATED BY SPACE.

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