ABAP Select data from SAP table FIWTUS_S_MISC_RECORD_A 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_MISC_RECORD_A 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_MISC_RECORD_A. 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_MISC_RECORD_A 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_MISC_RECORD_A TYPE STANDARD TABLE OF FIWTUS_S_MISC_RECORD_A,
      WA_FIWTUS_S_MISC_RECORD_A TYPE FIWTUS_S_MISC_RECORD_A,
      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_MISC_RECORD_A> TYPE FIWTUS_S_MISC_RECORD_A.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIWTUS_S_MISC_RECORD_A
*  INTO TABLE @DATA(IT_FIWTUS_S_MISC_RECORD_A2).
*--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_MISC_RECORD_A INDEX 1 INTO DATA(WA_FIWTUS_S_MISC_RECORD_A2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIWTUS_S_MISC_RECORD_A>-RECORD_TYPE = 1.
<FIWTUS_S_MISC_RECORD_A>-PAYMENT_YEAR = 1.
<FIWTUS_S_MISC_RECORD_A>-COMBINED_FEDERAL.STATE_FILER = 1.
<FIWTUS_S_MISC_RECORD_A>-BLANK1 = 1.
<FIWTUS_S_MISC_RECORD_A>-PAYERS_TAXPAYER_IDENTIFICATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIWTUS_S_MISC_RECORD_A-PAYER_NAME_CONTROL, sy-vline,
  WA_FIWTUS_S_MISC_RECORD_A-LAST_FILING_INDICATOR, sy-vline,
  WA_FIWTUS_S_MISC_RECORD_A-TYPE_OF_RETURN, sy-vline,
  WA_FIWTUS_S_MISC_RECORD_A-AMOUNT_CODES, sy-vline,
  WA_FIWTUS_S_MISC_RECORD_A-BLANK2, sy-vline,
  WA_FIWTUS_S_MISC_RECORD_A-ORIGINAL_FILE_INDICATOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIWTUS_S_MISC_RECORD_A 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_MISC_RECORD_A 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_MISC_RECORD_A INTO WA_FIWTUS_S_MISC_RECORD_A.


*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_MISC_RECORD_A_STR, 
RECORD_TYPE TYPE STRING,
PAYMENT_YEAR TYPE STRING,
COMBINED_FEDERAL.STATE_FILER TYPE STRING,
BLANK1 TYPE STRING,
PAYERS_TAXPAYER_IDENTIFICATION TYPE STRING,
PAYER_NAME_CONTROL TYPE STRING,
LAST_FILING_INDICATOR TYPE STRING,
TYPE_OF_RETURN TYPE STRING,
AMOUNT_CODES TYPE STRING,
BLANK2 TYPE STRING,
ORIGINAL_FILE_INDICATOR TYPE STRING,
REPLACEMENT_FILE TYPE STRING,
CORRECTION_FILE TYPE STRING,
BLANK3 TYPE STRING,
FOREIGN_ENTITY_INDICATOR TYPE STRING,
FIRST_PAYER_NAME_LINE TYPE STRING,
SECOND_PAYER_NAME_LINE TYPE STRING,
TRANSFER_AGENT_INDICATOR TYPE STRING,
PAYER_SHIPPING_ADDRESS TYPE STRING,
PAYER_CITY TYPE STRING,
PAYER_STATE TYPE STRING,
PAYER_ZIP_CODE TYPE STRING,
PAYERS_PHONE_NUMBER_&_EXTENTIO TYPE STRING,
BLANK4 TYPE STRING,
RECORD_SEQUENCE_NUMBER TYPE STRING,
BLANK5 TYPE STRING,
BLANK6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIWTUS_S_MISC_RECORD_A_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_MISC_RECORD_A_STR-RECORD_TYPE sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYMENT_YEAR sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-COMBINED_FEDERAL.STATE_FILER sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-BLANK1 sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYERS_TAXPAYER_IDENTIFICATION sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYER_NAME_CONTROL sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-LAST_FILING_INDICATOR sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-TYPE_OF_RETURN sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-AMOUNT_CODES sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-BLANK2 sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-ORIGINAL_FILE_INDICATOR sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-REPLACEMENT_FILE sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-CORRECTION_FILE sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-BLANK3 sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-FOREIGN_ENTITY_INDICATOR sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-FIRST_PAYER_NAME_LINE sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-SECOND_PAYER_NAME_LINE sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-TRANSFER_AGENT_INDICATOR sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYER_SHIPPING_ADDRESS sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYER_CITY sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYER_STATE sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYER_ZIP_CODE sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-PAYERS_PHONE_NUMBER_&_EXTENTIO sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-BLANK4 sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-RECORD_SEQUENCE_NUMBER sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-BLANK5 sy-vline 
WA_FIWTUS_S_MISC_RECORD_A_STR-BLANK6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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