ABAP Select data from SAP table VTVDETA_MR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTVDETA_MR
*  INTO TABLE @DATA(IT_VTVDETA_MR2).
*--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_VTVDETA_MR INDEX 1 INTO DATA(WA_VTVDETA_MR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTVDETA_MR>-MANDT = 1.
<VTVDETA_MR>-BUKRS = 1.
<VTVDETA_MR>-RPORTB = 1.
<VTVDETA_MR>-WAERS = 1.
<VTVDETA_MR>-RLDEPO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTVDETA_MR-SANLF, sy-vline,
  WA_VTVDETA_MR-GSART, sy-vline,
  WA_VTVDETA_MR-LAND1, sy-vline,
  WA_VTVDETA_MR-AUSWT, sy-vline,
  WA_VTVDETA_MR-WBARWER, sy-vline,
  WA_VTVDETA_MR-SZENARI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTVDETA_MR 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_VTVDETA_MR 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_VTVDETA_MR INTO WA_VTVDETA_MR.


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

*Conversion exit ALPHA, internal->external for field RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTVDETA_MR-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTVDETA_MR-RANL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RANLVD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTVDETA_MR-RANLVD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTVDETA_MR-RANLVD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTVDETA_MR-PARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTVDETA_MR-PARTNR.
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_VTVDETA_MR_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RPORTB TYPE STRING,
WAERS TYPE STRING,
RLDEPO TYPE STRING,
SANLF TYPE STRING,
GSART TYPE STRING,
LAND1 TYPE STRING,
AUSWT TYPE STRING,
WBARWER TYPE STRING,
SZENARI TYPE STRING,
RFHA TYPE STRING,
RANL TYPE STRING,
SARCHIV TYPE STRING,
RANLVD TYPE STRING,
PARTNR TYPE STRING,
DELFZ TYPE STRING,
HORIZONT TYPE STRING,
AKTUDAT TYPE STRING,
RANTYP_R TYPE STRING,
RREFKONT_R TYPE STRING,
SPUTCALL TYPE STRING,
DDISPO TYPE STRING,
GLIED TYPE STRING,
BARWERT TYPE STRING,
CASHFL TYPE STRING,
VALBP TYPE STRING,
FXEXPOSURE TYPE STRING,
CFWAERS TYPE STRING,
PKOND TYPE STRING,
CASHFL_AW TYPE STRING,
FXEXPOSURE_AW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTVDETA_MR_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_VTVDETA_MR_STR-MANDT sy-vline 
WA_VTVDETA_MR_STR-BUKRS sy-vline 
WA_VTVDETA_MR_STR-RPORTB sy-vline 
WA_VTVDETA_MR_STR-WAERS sy-vline 
WA_VTVDETA_MR_STR-RLDEPO sy-vline 
WA_VTVDETA_MR_STR-SANLF sy-vline 
WA_VTVDETA_MR_STR-GSART sy-vline 
WA_VTVDETA_MR_STR-LAND1 sy-vline 
WA_VTVDETA_MR_STR-AUSWT sy-vline 
WA_VTVDETA_MR_STR-WBARWER sy-vline 
WA_VTVDETA_MR_STR-SZENARI sy-vline 
WA_VTVDETA_MR_STR-RFHA sy-vline 
WA_VTVDETA_MR_STR-RANL sy-vline 
WA_VTVDETA_MR_STR-SARCHIV sy-vline 
WA_VTVDETA_MR_STR-RANLVD sy-vline 
WA_VTVDETA_MR_STR-PARTNR sy-vline 
WA_VTVDETA_MR_STR-DELFZ sy-vline 
WA_VTVDETA_MR_STR-HORIZONT sy-vline 
WA_VTVDETA_MR_STR-AKTUDAT sy-vline 
WA_VTVDETA_MR_STR-RANTYP_R sy-vline 
WA_VTVDETA_MR_STR-RREFKONT_R sy-vline 
WA_VTVDETA_MR_STR-SPUTCALL sy-vline 
WA_VTVDETA_MR_STR-DDISPO sy-vline 
WA_VTVDETA_MR_STR-GLIED sy-vline 
WA_VTVDETA_MR_STR-BARWERT sy-vline 
WA_VTVDETA_MR_STR-CASHFL sy-vline 
WA_VTVDETA_MR_STR-VALBP sy-vline 
WA_VTVDETA_MR_STR-FXEXPOSURE sy-vline 
WA_VTVDETA_MR_STR-CFWAERS sy-vline 
WA_VTVDETA_MR_STR-PKOND sy-vline 
WA_VTVDETA_MR_STR-CASHFL_AW sy-vline 
WA_VTVDETA_MR_STR-FXEXPOSURE_AW sy-vline      INTO ld_text SEPARATED BY SPACE.

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