ABAP Select data from SAP table FIKZ_DI_SELLER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIKZ_DI_SELLER
*  INTO TABLE @DATA(IT_FIKZ_DI_SELLER2).
*--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_FIKZ_DI_SELLER INDEX 1 INTO DATA(WA_FIKZ_DI_SELLER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIKZ_DI_SELLER>-CONTROLLER = 1.
<FIKZ_DI_SELLER>-ADDRESS = 1.
<FIKZ_DI_SELLER>-BANK = 1.
<FIKZ_DI_SELLER>-BIK = 1.
<FIKZ_DI_SELLER>-CERTIFICATE_NUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIKZ_DI_SELLER-CERTIFICATE_SERIES, sy-vline,
  WA_FIKZ_DI_SELLER-DELIVERY_DOC_DATE, sy-vline,
  WA_FIKZ_DI_SELLER-DELIVERY_DOC_NUM, sy-vline,
  WA_FIKZ_DI_SELLER-IIK, sy-vline,
  WA_FIKZ_DI_SELLER-KBE, sy-vline,
  WA_FIKZ_DI_SELLER-NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIKZ_DI_SELLER 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_FIKZ_DI_SELLER 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_FIKZ_DI_SELLER INTO WA_FIKZ_DI_SELLER.


*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_FIKZ_DI_SELLER_STR, 
CONTROLLER TYPE STRING,
ADDRESS TYPE STRING,
BANK TYPE STRING,
BIK TYPE STRING,
CERTIFICATE_NUM TYPE STRING,
CERTIFICATE_SERIES TYPE STRING,
DELIVERY_DOC_DATE TYPE STRING,
DELIVERY_DOC_NUM TYPE STRING,
IIK TYPE STRING,
KBE TYPE STRING,
NAME TYPE STRING,
RNN TYPE STRING,
STATUSES TYPE STRING,
CONTROLLER TYPE STRING,
STATUS TYPE STRING,
TIN TYPE STRING,
TRAILER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIKZ_DI_SELLER_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_FIKZ_DI_SELLER_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_SELLER_STR-ADDRESS sy-vline 
WA_FIKZ_DI_SELLER_STR-BANK sy-vline 
WA_FIKZ_DI_SELLER_STR-BIK sy-vline 
WA_FIKZ_DI_SELLER_STR-CERTIFICATE_NUM sy-vline 
WA_FIKZ_DI_SELLER_STR-CERTIFICATE_SERIES sy-vline 
WA_FIKZ_DI_SELLER_STR-DELIVERY_DOC_DATE sy-vline 
WA_FIKZ_DI_SELLER_STR-DELIVERY_DOC_NUM sy-vline 
WA_FIKZ_DI_SELLER_STR-IIK sy-vline 
WA_FIKZ_DI_SELLER_STR-KBE sy-vline 
WA_FIKZ_DI_SELLER_STR-NAME sy-vline 
WA_FIKZ_DI_SELLER_STR-RNN sy-vline 
WA_FIKZ_DI_SELLER_STR-STATUSES sy-vline 
WA_FIKZ_DI_SELLER_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_SELLER_STR-STATUS sy-vline 
WA_FIKZ_DI_SELLER_STR-TIN sy-vline 
WA_FIKZ_DI_SELLER_STR-TRAILER sy-vline      INTO ld_text SEPARATED BY SPACE.

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