ABAP Select data from SAP table VTVDETA_DE_CONVERT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VTVDETA_DE_CONVERT 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_DE_CONVERT. 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_DE_CONVERT 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_DE_CONVERT TYPE STANDARD TABLE OF VTVDETA_DE_CONVERT,
      WA_VTVDETA_DE_CONVERT TYPE VTVDETA_DE_CONVERT,
      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_DE_CONVERT> TYPE VTVDETA_DE_CONVERT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTVDETA_DE_CONVERT
*  INTO TABLE @DATA(IT_VTVDETA_DE_CONVERT2).
*--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_DE_CONVERT INDEX 1 INTO DATA(WA_VTVDETA_DE_CONVERT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTVDETA_DE_CONVERT>-MANDT = 1.
<VTVDETA_DE_CONVERT>-BUKRS = 1.
<VTVDETA_DE_CONVERT>-RPORTB = 1.
<VTVDETA_DE_CONVERT>-RANTYP = 1.
<VTVDETA_DE_CONVERT>-RFHA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTVDETA_DE_CONVERT-SANLF, sy-vline,
  WA_VTVDETA_DE_CONVERT-GSART, sy-vline,
  WA_VTVDETA_DE_CONVERT-SFGTYP, sy-vline,
  WA_VTVDETA_DE_CONVERT-SFHAART, sy-vline,
  WA_VTVDETA_DE_CONVERT-SAKTIV, sy-vline,
  WA_VTVDETA_DE_CONVERT-RREFKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTVDETA_DE_CONVERT 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_DE_CONVERT 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_DE_CONVERT INTO WA_VTVDETA_DE_CONVERT.


*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_DE_CONVERT-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTVDETA_DE_CONVERT-RFHA.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field DGJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VTVDETA_DE_CONVERT-DGJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTVDETA_DE_CONVERT-DGJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTVDETA_DE_CONVERT-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTVDETA_DE_CONVERT-BELNR.
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_DE_CONVERT_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RPORTB TYPE STRING,
RANTYP TYPE STRING,
RFHA TYPE STRING,
SANLF TYPE STRING,
GSART TYPE STRING,
SFGTYP TYPE STRING,
SFHAART TYPE STRING,
SAKTIV TYPE STRING,
RREFKONT TYPE STRING,
FINPROJ TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
SFGZUSTT TYPE STRING,
RDEALER TYPE STRING,
NORDEXT TYPE STRING,
ZUOND TYPE STRING,
REFER TYPE STRING,
MERKM TYPE STRING,
SPUTCALL TYPE STRING,
PARTNR TYPE STRING,
SBEWART TYPE STRING,
SBEWEBE TYPE STRING,
SBFREI TYPE STRING,
DBUDAT TYPE STRING,
DGJAHR TYPE STRING,
DMONAT TYPE STRING,
DFAELL TYPE STRING,
RPZAHL TYPE STRING,
RAHABKI TYPE STRING,
RAHKTID TYPE STRING,
RPBANK TYPE STRING,
LAND1 TYPE STRING,
WAERS TYPE STRING,
ZLSCH TYPE STRING,
SSIGN TYPE STRING,
RKONDGR TYPE STRING,
SBWHR TYPE STRING,
WZBETR TYPE STRING,
SPLWHR TYPE STRING,
WGSCHFT1 TYPE STRING,
WGSCHFT2 TYPE STRING,
SUWHR TYPE STRING,
SZART TYPE STRING,
SPAYRQ TYPE STRING,
PRKEY TYPE STRING,
BELNR TYPE STRING,
AWKEY TYPE STRING,
BZBETR TYPE STRING,
BHWBETR TYPE STRING,
EHBETR TYPE STRING,
EEBETR TYPE STRING,
D_BNOMBW TYPE STRING,
D_BNOMBW1 TYPE STRING,
D_BNOMBW2 TYPE STRING,
D_AKTBWBW TYPE STRING,
D_AKTBWHW TYPE STRING,
D_PASBWBW TYPE STRING,
D_PASBWHW TYPE STRING,
D_BEW_PAS_OPR TYPE STRING,
D_BEW_PAS_OPR_HW TYPE STRING,
D_FXBEW_PAS_OPR_HW TYPE STRING,
D_BEW_AKT_OPR TYPE STRING,
D_BEW_AKT_OPR_HW TYPE STRING,
D_FXBEW_AKT_OPR_HW TYPE STRING,
PABGERFBW TYPE STRING,
PABGERFPL TYPE STRING,
PABGERFHW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTVDETA_DE_CONVERT_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_DE_CONVERT_STR-MANDT sy-vline 
WA_VTVDETA_DE_CONVERT_STR-BUKRS sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RPORTB sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RANTYP sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RFHA sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SANLF sy-vline 
WA_VTVDETA_DE_CONVERT_STR-GSART sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SFGTYP sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SFHAART sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SAKTIV sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RREFKONT sy-vline 
WA_VTVDETA_DE_CONVERT_STR-FINPROJ sy-vline 
WA_VTVDETA_DE_CONVERT_STR-DBLFZ sy-vline 
WA_VTVDETA_DE_CONVERT_STR-DELFZ sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SFGZUSTT sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RDEALER sy-vline 
WA_VTVDETA_DE_CONVERT_STR-NORDEXT sy-vline 
WA_VTVDETA_DE_CONVERT_STR-ZUOND sy-vline 
WA_VTVDETA_DE_CONVERT_STR-REFER sy-vline 
WA_VTVDETA_DE_CONVERT_STR-MERKM sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SPUTCALL sy-vline 
WA_VTVDETA_DE_CONVERT_STR-PARTNR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SBEWART sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SBEWEBE sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SBFREI sy-vline 
WA_VTVDETA_DE_CONVERT_STR-DBUDAT sy-vline 
WA_VTVDETA_DE_CONVERT_STR-DGJAHR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-DMONAT sy-vline 
WA_VTVDETA_DE_CONVERT_STR-DFAELL sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RPZAHL sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RAHABKI sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RAHKTID sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RPBANK sy-vline 
WA_VTVDETA_DE_CONVERT_STR-LAND1 sy-vline 
WA_VTVDETA_DE_CONVERT_STR-WAERS sy-vline 
WA_VTVDETA_DE_CONVERT_STR-ZLSCH sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SSIGN sy-vline 
WA_VTVDETA_DE_CONVERT_STR-RKONDGR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SBWHR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-WZBETR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SPLWHR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-WGSCHFT1 sy-vline 
WA_VTVDETA_DE_CONVERT_STR-WGSCHFT2 sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SUWHR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SZART sy-vline 
WA_VTVDETA_DE_CONVERT_STR-SPAYRQ sy-vline 
WA_VTVDETA_DE_CONVERT_STR-PRKEY sy-vline 
WA_VTVDETA_DE_CONVERT_STR-BELNR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-AWKEY sy-vline 
WA_VTVDETA_DE_CONVERT_STR-BZBETR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-BHWBETR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-EHBETR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-EEBETR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_BNOMBW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_BNOMBW1 sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_BNOMBW2 sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_AKTBWBW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_AKTBWHW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_PASBWBW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_PASBWHW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_BEW_PAS_OPR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_BEW_PAS_OPR_HW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_FXBEW_PAS_OPR_HW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_BEW_AKT_OPR sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_BEW_AKT_OPR_HW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-D_FXBEW_AKT_OPR_HW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-PABGERFBW sy-vline 
WA_VTVDETA_DE_CONVERT_STR-PABGERFPL sy-vline 
WA_VTVDETA_DE_CONVERT_STR-PABGERFHW sy-vline      INTO ld_text SEPARATED BY SPACE.

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