ABAP Select data from SAP table /CEECV/ROFI_VIES_STR_TAX_N_VAT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CEECV/ROFI_VIES_STR_TAX_N_VAT 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 /CEECV/ROFI_VIES_STR_TAX_N_VAT. 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 /CEECV/ROFI_VIES_STR_TAX_N_VAT 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_/CEECV/ROFI_VIES_STR_TAX_N_VAT TYPE STANDARD TABLE OF /CEECV/ROFI_VIES_STR_TAX_N_VAT,
      WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT TYPE /CEECV/ROFI_VIES_STR_TAX_N_VAT,
      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: </CEECV/ROFI_VIES_STR_TAX_N_VAT> TYPE /CEECV/ROFI_VIES_STR_TAX_N_VAT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /CEECV/ROFI_VIES_STR_TAX_N_VAT
  INTO TABLE IT_/CEECV/ROFI_VIES_STR_TAX_N_VAT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CEECV/ROFI_VIES_STR_TAX_N_VAT
*  INTO TABLE @DATA(IT_/CEECV/ROFI_VIES_STR_TAX_N_VAT2).
*--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_/CEECV/ROFI_VIES_STR_TAX_N_VAT INDEX 1 INTO DATA(WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/CEECV/ROFI_VIES_STR_TAX_N_VAT ASSIGNING </CEECV/ROFI_VIES_STR_TAX_N_VAT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CEECV/ROFI_VIES_STR_TAX_N_VAT>-OPER_TYPE = 1.
</CEECV/ROFI_VIES_STR_TAX_N_VAT>-PARTNER_TYPE = 1.
</CEECV/ROFI_VIES_STR_TAX_N_VAT>-PERIOD = 1.
</CEECV/ROFI_VIES_STR_TAX_N_VAT>-BLART = 1.
</CEECV/ROFI_VIES_STR_TAX_N_VAT>-DOC_NUMBER = 1.

ENDLOOP.

LOOP AT IT_/CEECV/ROFI_VIES_STR_TAX_N_VAT INTO WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-TAX_PERCT, sy-vline,
  WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-TAX_GROUP, sy-vline,
  WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-CAEN, sy-vline,
  WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-NRBF, sy-vline,
  WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-NRAMEF, sy-vline,
  WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-KUNNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT 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_/CEECV/ROFI_VIES_STR_TAX_N_VAT 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_/CEECV/ROFI_VIES_STR_TAX_N_VAT INTO WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT.


*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 ODNIT, internal->external for field DOC_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ODNIT_OUTPUT'
  EXPORTING
    input =                      WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-DOC_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-DOC_NUMBER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AD152, internal->external for field TAXATION_BASIS
CALL FUNCTION 'CONVERSION_EXIT_AD152_OUTPUT'
  EXPORTING
    input =                      WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-TAXATION_BASIS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-TAXATION_BASIS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AD152, internal->external for field VAT_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AD152_OUTPUT'
  EXPORTING
    input =                      WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-VAT_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT-VAT_AMOUNT.
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_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR, 
OPER_TYPE TYPE STRING,
PARTNER_TYPE TYPE STRING,
PERIOD TYPE STRING,
BLART TYPE STRING,
DOC_NUMBER TYPE STRING,
TAX_PERCT TYPE STRING,
TAX_GROUP TYPE STRING,
CAEN TYPE STRING,
NRBF TYPE STRING,
NRAMEF TYPE STRING,
KUNNR TYPE STRING,
VAT_REG_NO TYPE STRING,
COMPANY_NAME TYPE STRING,
TAXATION_BASIS TYPE STRING,
VAT_AMOUNT TYPE STRING,
WRBTR TYPE STRING,
NO_INV TYPE STRING,
TIP_DOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_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_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-OPER_TYPE sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-PARTNER_TYPE sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-PERIOD sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-BLART sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-DOC_NUMBER sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-TAX_PERCT sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-TAX_GROUP sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-CAEN sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-NRBF sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-NRAMEF sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-KUNNR sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-VAT_REG_NO sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-COMPANY_NAME sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-TAXATION_BASIS sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-VAT_AMOUNT sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-WRBTR sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-NO_INV sy-vline 
WA_/CEECV/ROFI_VIES_STR_TAX_N_VAT_STR-TIP_DOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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