ABAP Select data from SAP table REEX_DART_TAXCORR_RUN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REEX_DART_TAXCORR_RUN
*  INTO TABLE @DATA(IT_REEX_DART_TAXCORR_RUN2).
*--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_REEX_DART_TAXCORR_RUN INDEX 1 INTO DATA(WA_REEX_DART_TAXCORR_RUN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REEX_DART_TAXCORR_RUN>-MANDT = 1.
<REEX_DART_TAXCORR_RUN>-CALCRESULTGUID = 1.
<REEX_DART_TAXCORR_RUN>-INTRENO = 1.
<REEX_DART_TAXCORR_RUN>-TCKEYDATE = 1.
<REEX_DART_TAXCORR_RUN>-TCYEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REEX_DART_TAXCORR_RUN-TCMONTH, sy-vline,
  WA_REEX_DART_TAXCORR_RUN-TAXCODE, sy-vline,
  WA_REEX_DART_TAXCORR_RUN-CALCDATEFROM, sy-vline,
  WA_REEX_DART_TAXCORR_RUN-CALCDATETO, sy-vline,
  WA_REEX_DART_TAXCORR_RUN-TCCALCRESTYPE, sy-vline,
  WA_REEX_DART_TAXCORR_RUN-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REEX_DART_TAXCORR_RUN 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_REEX_DART_TAXCORR_RUN 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_REEX_DART_TAXCORR_RUN INTO WA_REEX_DART_TAXCORR_RUN.


*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_REEX_DART_TAXCORR_RUN_STR, 
MANDT TYPE STRING,
CALCRESULTGUID TYPE STRING,
INTRENO TYPE STRING,
TCKEYDATE TYPE STRING,
TCYEAR TYPE STRING,
TCMONTH TYPE STRING,
TAXCODE TYPE STRING,
CALCDATEFROM TYPE STRING,
CALCDATETO TYPE STRING,
TCCALCRESTYPE TYPE STRING,
CURRENCY TYPE STRING,
BASENETAMOUNT TYPE STRING,
BASETAXAMOUNT TYPE STRING,
BASEDEDTAXAMT TYPE STRING,
BASENONDEDTAXAMT TYPE STRING,
CALCDEDTAXAMT TYPE STRING,
CALCNONDEDTAXAMT TYPE STRING,
CALCOPTRATE TYPE STRING,
TCCALCYEARAMOUNT TYPE STRING,
TCCALCAMOUNT TYPE STRING,
TCPOSTAMOUNT TYPE STRING,
MINAMTLIMIT TYPE STRING,
ISEXTDATA TYPE STRING,
CALCGUID TYPE STRING,
IGNOREINCALC TYPE STRING,
AVGOPTRATE TYPE STRING,
ORIGINGUID TYPE STRING,
TCCALCTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REEX_DART_TAXCORR_RUN_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_REEX_DART_TAXCORR_RUN_STR-MANDT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CALCRESULTGUID sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-INTRENO sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCKEYDATE sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCYEAR sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCMONTH sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TAXCODE sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CALCDATEFROM sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CALCDATETO sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCCALCRESTYPE sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CURRENCY sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-BASENETAMOUNT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-BASETAXAMOUNT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-BASEDEDTAXAMT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-BASENONDEDTAXAMT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CALCDEDTAXAMT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CALCNONDEDTAXAMT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CALCOPTRATE sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCCALCYEARAMOUNT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCCALCAMOUNT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCPOSTAMOUNT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-MINAMTLIMIT sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-ISEXTDATA sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-CALCGUID sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-IGNOREINCALC sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-AVGOPTRATE sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-ORIGINGUID sy-vline 
WA_REEX_DART_TAXCORR_RUN_STR-TCCALCTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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