ABAP Select data from SAP table FIKZ_MASTER_PART_COMMON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIKZ_MASTER_PART_COMMON 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_MASTER_PART_COMMON. 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_MASTER_PART_COMMON 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_MASTER_PART_COMMON TYPE STANDARD TABLE OF FIKZ_MASTER_PART_COMMON,
      WA_FIKZ_MASTER_PART_COMMON TYPE FIKZ_MASTER_PART_COMMON,
      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_MASTER_PART_COMMON> TYPE FIKZ_MASTER_PART_COMMON.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIKZ_MASTER_PART_COMMON
*  INTO TABLE @DATA(IT_FIKZ_MASTER_PART_COMMON2).
*--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_MASTER_PART_COMMON INDEX 1 INTO DATA(WA_FIKZ_MASTER_PART_COMMON2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIKZ_MASTER_PART_COMMON>-LINE_NO = 1.
<FIKZ_MASTER_PART_COMMON>-IIN_BIN = 1.
<FIKZ_MASTER_PART_COMMON>-RNN = 1.
<FIKZ_MASTER_PART_COMMON>-PAYER_NAME_1 = 1.
<FIKZ_MASTER_PART_COMMON>-PAYER_NAME_2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIKZ_MASTER_PART_COMMON-PAYER_NAME_3, sy-vline,
  WA_FIKZ_MASTER_PART_COMMON-TAX_YEAR, sy-vline,
  WA_FIKZ_MASTER_PART_COMMON-RETURN_TYPE, sy-vline,
  WA_FIKZ_MASTER_PART_COMMON-NOTIF_NUM, sy-vline,
  WA_FIKZ_MASTER_PART_COMMON-NOTIF_DATE, sy-vline,
  WA_FIKZ_MASTER_PART_COMMON-VAT_SERIES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIKZ_MASTER_PART_COMMON 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_MASTER_PART_COMMON 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_MASTER_PART_COMMON INTO WA_FIKZ_MASTER_PART_COMMON.


*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 GJAHR, internal->external for field TAX_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FIKZ_MASTER_PART_COMMON-TAX_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIKZ_MASTER_PART_COMMON-TAX_YEAR.
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_FIKZ_MASTER_PART_COMMON_STR, 
LINE_NO TYPE STRING,
IIN_BIN TYPE STRING,
RNN TYPE STRING,
PAYER_NAME_1 TYPE STRING,
PAYER_NAME_2 TYPE STRING,
PAYER_NAME_3 TYPE STRING,
TAX_YEAR TYPE STRING,
RETURN_TYPE TYPE STRING,
NOTIF_NUM TYPE STRING,
NOTIF_DATE TYPE STRING,
VAT_SERIES TYPE STRING,
VAT_NUMBER TYPE STRING,
APPDX1 TYPE STRING,
APPDX2 TYPE STRING,
APPDX3 TYPE STRING,
APPDX4 TYPE STRING,
APPDX5 TYPE STRING,
APPDX6 TYPE STRING,
APPDX7 TYPE STRING,
APPDX8 TYPE STRING,
APPDX9 TYPE STRING,
APPDX10 TYPE STRING,
APPDX11 TYPE STRING,
APPDX12 TYPE STRING,
TAXPAYER_SIGN TYPE STRING,
SUBMIT_DATE TYPE STRING,
TAXOFFICE_CODE TYPE STRING,
EXCHTYP TYPE STRING,
RECPTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIKZ_MASTER_PART_COMMON_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_MASTER_PART_COMMON_STR-LINE_NO sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-IIN_BIN sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-RNN sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-PAYER_NAME_1 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-PAYER_NAME_2 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-PAYER_NAME_3 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-TAX_YEAR sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-RETURN_TYPE sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-NOTIF_NUM sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-NOTIF_DATE sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-VAT_SERIES sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-VAT_NUMBER sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX1 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX2 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX3 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX4 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX5 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX6 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX7 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX8 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX9 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX10 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX11 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-APPDX12 sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-TAXPAYER_SIGN sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-SUBMIT_DATE sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-TAXOFFICE_CODE sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-EXCHTYP sy-vline 
WA_FIKZ_MASTER_PART_COMMON_STR-RECPTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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