ABAP Select data from SAP table V_T5W1X_M into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T5W1X_M 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_T5W1X_M. 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_T5W1X_M 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_T5W1X_M TYPE STANDARD TABLE OF V_T5W1X_M,
      WA_V_T5W1X_M TYPE V_T5W1X_M,
      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_T5W1X_M> TYPE V_T5W1X_M.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T5W1X_M.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T5W1X_M
  INTO TABLE IT_V_T5W1X_M.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T5W1X_M
*  INTO TABLE @DATA(IT_V_T5W1X_M2).
*--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_T5W1X_M INDEX 1 INTO DATA(WA_V_T5W1X_M2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T5W1X_M ASSIGNING <V_T5W1X_M>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T5W1X_M>-MANDT = 1.
<V_T5W1X_M>-SVSPA = 1.
<V_T5W1X_M>-KVSCH = 1.
<V_T5W1X_M>-KVGES = 1.
<V_T5W1X_M>-BTRKL = 1.

ENDLOOP.

LOOP AT IT_V_T5W1X_M INTO WA_V_T5W1X_M.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T5W1X_M-MAXVA, sy-vline,
  WA_V_T5W1X_M-MAXAG, sy-vline,
  WA_V_T5W1X_M-ENDDA, sy-vline,
  WA_V_T5W1X_M-BEGDA, sy-vline,
  WA_V_T5W1X_M-MINVA, sy-vline,
  WA_V_T5W1X_M-MINAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T5W1X_M 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_T5W1X_M 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_T5W1X_M INTO WA_V_T5W1X_M.


*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_T5W1X_M_STR, 
MANDT TYPE STRING,
SVSPA TYPE STRING,
KVSCH TYPE STRING,
KVGES TYPE STRING,
BTRKL TYPE STRING,
MAXVA TYPE STRING,
MAXAG TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
MINVA TYPE STRING,
MINAG TYPE STRING,
BETRG TYPE STRING,
THRES TYPE STRING,
SITXT TYPE STRING,
SCTXT TYPE STRING,
CCTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T5W1X_M_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_T5W1X_M_STR-MANDT sy-vline 
WA_V_T5W1X_M_STR-SVSPA sy-vline 
WA_V_T5W1X_M_STR-KVSCH sy-vline 
WA_V_T5W1X_M_STR-KVGES sy-vline 
WA_V_T5W1X_M_STR-BTRKL sy-vline 
WA_V_T5W1X_M_STR-MAXVA sy-vline 
WA_V_T5W1X_M_STR-MAXAG sy-vline 
WA_V_T5W1X_M_STR-ENDDA sy-vline 
WA_V_T5W1X_M_STR-BEGDA sy-vline 
WA_V_T5W1X_M_STR-MINVA sy-vline 
WA_V_T5W1X_M_STR-MINAG sy-vline 
WA_V_T5W1X_M_STR-BETRG sy-vline 
WA_V_T5W1X_M_STR-THRES sy-vline 
WA_V_T5W1X_M_STR-SITXT sy-vline 
WA_V_T5W1X_M_STR-SCTXT sy-vline 
WA_V_T5W1X_M_STR-CCTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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