ABAP Select data from SAP table FVD_SEPA_NAD_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FVD_SEPA_NAD_DATA
*  INTO TABLE @DATA(IT_FVD_SEPA_NAD_DATA2).
*--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_FVD_SEPA_NAD_DATA INDEX 1 INTO DATA(WA_FVD_SEPA_NAD_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FVD_SEPA_NAD_DATA>-KUNNR = 1.
<FVD_SEPA_NAD_DATA>-BELNR = 1.
<FVD_SEPA_NAD_DATA>-BUZEI = 1.
<FVD_SEPA_NAD_DATA>-GJAHR = 1.
<FVD_SEPA_NAD_DATA>-BUDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FVD_SEPA_NAD_DATA-ZFBDT, sy-vline,
  WA_FVD_SEPA_NAD_DATA-ZLSCH_OLD, sy-vline,
  WA_FVD_SEPA_NAD_DATA-RBELKPFD, sy-vline,
  WA_FVD_SEPA_NAD_DATA-RPOSNR, sy-vline,
  WA_FVD_SEPA_NAD_DATA-SANLF, sy-vline,
  WA_FVD_SEPA_NAD_DATA-GSART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FVD_SEPA_NAD_DATA 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_FVD_SEPA_NAD_DATA 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_FVD_SEPA_NAD_DATA INTO WA_FVD_SEPA_NAD_DATA.


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

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

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

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

*Conversion exit ALPHA, internal->external for field RKLAMMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FVD_SEPA_NAD_DATA-RKLAMMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FVD_SEPA_NAD_DATA-RKLAMMER.
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_FVD_SEPA_NAD_DATA_STR, 
KUNNR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
GJAHR TYPE STRING,
BUDAT TYPE STRING,
ZFBDT TYPE STRING,
ZLSCH_OLD TYPE STRING,
RBELKPFD TYPE STRING,
RPOSNR TYPE STRING,
SANLF TYPE STRING,
GSART TYPE STRING,
PRODUCT_ID TYPE STRING,
RKLAMMER TYPE STRING,
FILL_TIMESTAMP TYPE STRING,
FILL_USER TYPE STRING,
FILL_RUNID TYPE STRING,
FILL_TCODE TYPE STRING,
CORR_TIMESTAMP TYPE STRING,
CORR_USER TYPE STRING,
CORR_RUNID TYPE STRING,
CORR_COLLECTION_DATE TYPE STRING,
REMOVE_TIMESTAMP TYPE STRING,
REMOVE_USER TYPE STRING,
REMOVE_RUNID TYPE STRING,
UZAWE_OLD TYPE STRING,
UZAWE_NEW TYPE STRING,
ZLSPR_OLD TYPE STRING,
FLG_COMPLETION TYPE STRING,
STATUS_REASON TYPE STRING,
STATUS_TIMESTAMP TYPE STRING,
STATUS_USER TYPE STRING,
STATUS_RUNID TYPE STRING,
STATUS_RSN_CUST TYPE STRING,
RPNSUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FVD_SEPA_NAD_DATA_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_FVD_SEPA_NAD_DATA_STR-KUNNR sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-BELNR sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-BUZEI sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-GJAHR sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-BUDAT sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-ZFBDT sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-ZLSCH_OLD sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-RBELKPFD sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-RPOSNR sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-SANLF sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-GSART sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-PRODUCT_ID sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-RKLAMMER sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-FILL_TIMESTAMP sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-FILL_USER sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-FILL_RUNID sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-FILL_TCODE sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-CORR_TIMESTAMP sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-CORR_USER sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-CORR_RUNID sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-CORR_COLLECTION_DATE sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-REMOVE_TIMESTAMP sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-REMOVE_USER sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-REMOVE_RUNID sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-UZAWE_OLD sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-UZAWE_NEW sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-ZLSPR_OLD sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-FLG_COMPLETION sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-STATUS_REASON sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-STATUS_TIMESTAMP sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-STATUS_USER sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-STATUS_RUNID sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-STATUS_RSN_CUST sy-vline 
WA_FVD_SEPA_NAD_DATA_STR-RPNSUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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