ABAP Select data from SAP table FIWTIN_DEDUCTEE_RECXLS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIWTIN_DEDUCTEE_RECXLS
*  INTO TABLE @DATA(IT_FIWTIN_DEDUCTEE_RECXLS2).
*--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_FIWTIN_DEDUCTEE_RECXLS INDEX 1 INTO DATA(WA_FIWTIN_DEDUCTEE_RECXLS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIWTIN_DEDUCTEE_RECXLS>-SECTION = 1.
<FIWTIN_DEDUCTEE_RECXLS>-DDCTCD = 1.
<FIWTIN_DEDUCTEE_RECXLS>-EMPSRLNO = 1.
<FIWTIN_DEDUCTEE_RECXLS>-DDCTPAN = 1.
<FIWTIN_DEDUCTEE_RECXLS>-DEDUCTEE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIWTIN_DEDUCTEE_RECXLS-ADDRESSDED, sy-vline,
  WA_FIWTIN_DEDUCTEE_RECXLS-DEDUCTEEST, sy-vline,
  WA_FIWTIN_DEDUCTEE_RECXLS-DDTAMTPAID, sy-vline,
  WA_FIWTIN_DEDUCTEE_RECXLS-PAIDDATE, sy-vline,
  WA_FIWTIN_DEDUCTEE_RECXLS-TAXRATE, sy-vline,
  WA_FIWTIN_DEDUCTEE_RECXLS-GROSSUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIWTIN_DEDUCTEE_RECXLS 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_FIWTIN_DEDUCTEE_RECXLS 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_FIWTIN_DEDUCTEE_RECXLS INTO WA_FIWTIN_DEDUCTEE_RECXLS.


*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_FIWTIN_DEDUCTEE_RECXLS_STR, 
SECTION TYPE STRING,
DDCTCD TYPE STRING,
EMPSRLNO TYPE STRING,
DDCTPAN TYPE STRING,
DEDUCTEE TYPE STRING,
ADDRESSDED TYPE STRING,
DEDUCTEEST TYPE STRING,
DDTAMTPAID TYPE STRING,
PAIDDATE TYPE STRING,
TAXRATE TYPE STRING,
GROSSUP TYPE STRING,
AMTTDS TYPE STRING,
AMTSURC TYPE STRING,
AMTECESS TYPE STRING,
AMOUNT TYPE STRING,
TAXDATE TYPE STRING,
TAXDEPT TYPE STRING,
DEPODATE TYPE STRING,
BNKCODE TYPE STRING,
CHLNNO TYPE STRING,
CERTDT TYPE STRING,
CERTNO TYPE STRING,
RSNCD TYPE STRING,
BOOKENTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIWTIN_DEDUCTEE_RECXLS_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_FIWTIN_DEDUCTEE_RECXLS_STR-SECTION sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-DDCTCD sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-EMPSRLNO sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-DDCTPAN sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-DEDUCTEE sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-ADDRESSDED sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-DEDUCTEEST sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-DDTAMTPAID sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-PAIDDATE sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-TAXRATE sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-GROSSUP sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-AMTTDS sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-AMTSURC sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-AMTECESS sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-AMOUNT sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-TAXDATE sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-TAXDEPT sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-DEPODATE sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-BNKCODE sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-CHLNNO sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-CERTDT sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-CERTNO sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-RSNCD sy-vline 
WA_FIWTIN_DEDUCTEE_RECXLS_STR-BOOKENTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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