ABAP Select data from SAP table FIWTUS_S_K_RECORD_T into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIWTUS_S_K_RECORD_T
*  INTO TABLE @DATA(IT_FIWTUS_S_K_RECORD_T2).
*--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_FIWTUS_S_K_RECORD_T INDEX 1 INTO DATA(WA_FIWTUS_S_K_RECORD_T2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIWTUS_S_K_RECORD_T>-RECORD_TYPE = 1.
<FIWTUS_S_K_RECORD_T>-PAYMENT_YEAR = 1.
<FIWTUS_S_K_RECORD_T>-PRIOR_YEAR_DATA_INDICATOR = 1.
<FIWTUS_S_K_RECORD_T>-TRANSMITTERS_TIN = 1.
<FIWTUS_S_K_RECORD_T>-TRANSMITTER_CONTROL_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIWTUS_S_K_RECORD_T-BLANK1, sy-vline,
  WA_FIWTUS_S_K_RECORD_T-BLANK2, sy-vline,
  WA_FIWTUS_S_K_RECORD_T-TEST_FILE_INDICATOR, sy-vline,
  WA_FIWTUS_S_K_RECORD_T-FOREIGN_ENTITY_INDICATOR, sy-vline,
  WA_FIWTUS_S_K_RECORD_T-TRANSMITTER_NAME, sy-vline,
  WA_FIWTUS_S_K_RECORD_T-TRANSMITTER_NAME_CONTD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIWTUS_S_K_RECORD_T 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_FIWTUS_S_K_RECORD_T 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_FIWTUS_S_K_RECORD_T INTO WA_FIWTUS_S_K_RECORD_T.


*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_FIWTUS_S_K_RECORD_T_STR, 
RECORD_TYPE TYPE STRING,
PAYMENT_YEAR TYPE STRING,
PRIOR_YEAR_DATA_INDICATOR TYPE STRING,
TRANSMITTERS_TIN TYPE STRING,
TRANSMITTER_CONTROL_CODE TYPE STRING,
BLANK1 TYPE STRING,
BLANK2 TYPE STRING,
TEST_FILE_INDICATOR TYPE STRING,
FOREIGN_ENTITY_INDICATOR TYPE STRING,
TRANSMITTER_NAME TYPE STRING,
TRANSMITTER_NAME_CONTD TYPE STRING,
COMPANY_NAME TYPE STRING,
COMPANY_NAME_CONTD TYPE STRING,
COMPANY_MAILING_ADDRESS TYPE STRING,
COMPANY_CITY TYPE STRING,
COMPANY_STATE TYPE STRING,
COMPANY_ZIP_CODE TYPE STRING,
BLANK3 TYPE STRING,
TOTAL_NUMBER_OF_PAYEES TYPE STRING,
CONTACT_NAME TYPE STRING,
CONTACTS_PHONE_NUMBER_&_EXTEN TYPE STRING,
CONTACT_EMAIL_ADDRESS TYPE STRING,
BLANK4 TYPE STRING,
BLANK5 TYPE STRING,
BLANK6 TYPE STRING,
RECORD_SEQUENCE_NUMBER TYPE STRING,
BLANK7 TYPE STRING,
VENDOR_INDICATOR TYPE STRING,
VENDOR_NAME TYPE STRING,
VENDOR_MAILING_ADDRESS TYPE STRING,
VENDOR_CITY TYPE STRING,
VENDOR_STATE TYPE STRING,
VENDOR_ZIP_CODE TYPE STRING,
VENDOR_CONTACT_NAME TYPE STRING,
VENDOR_CONTACT_PHONE_NUMBER_&_ TYPE STRING,
BLANK8 TYPE STRING,
VENDOR_FOREIGN_ENTITIY_INDICAT TYPE STRING,
BLANK9 TYPE STRING,
BLANK10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIWTUS_S_K_RECORD_T_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_FIWTUS_S_K_RECORD_T_STR-RECORD_TYPE sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-PAYMENT_YEAR sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-PRIOR_YEAR_DATA_INDICATOR sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-TRANSMITTERS_TIN sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-TRANSMITTER_CONTROL_CODE sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK1 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK2 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-TEST_FILE_INDICATOR sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-FOREIGN_ENTITY_INDICATOR sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-TRANSMITTER_NAME sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-TRANSMITTER_NAME_CONTD sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-COMPANY_NAME sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-COMPANY_NAME_CONTD sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-COMPANY_MAILING_ADDRESS sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-COMPANY_CITY sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-COMPANY_STATE sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-COMPANY_ZIP_CODE sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK3 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-TOTAL_NUMBER_OF_PAYEES sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-CONTACT_NAME sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-CONTACTS_PHONE_NUMBER_&_EXTEN sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-CONTACT_EMAIL_ADDRESS sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK4 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK5 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK6 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-RECORD_SEQUENCE_NUMBER sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK7 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_INDICATOR sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_NAME sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_MAILING_ADDRESS sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_CITY sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_STATE sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_ZIP_CODE sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_CONTACT_NAME sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_CONTACT_PHONE_NUMBER_&_ sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK8 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-VENDOR_FOREIGN_ENTITIY_INDICAT sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK9 sy-vline 
WA_FIWTUS_S_K_RECORD_T_STR-BLANK10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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