ABAP Select data from SAP table TTED_TAXSITU_COM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TTED_TAXSITU_COM
*  INTO TABLE @DATA(IT_TTED_TAXSITU_COM2).
*--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_TTED_TAXSITU_COM INDEX 1 INTO DATA(WA_TTED_TAXSITU_COM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TTED_TAXSITU_COM>-CLIENT = 1.
<TTED_TAXSITU_COM>-COUNTRY = 1.
<TTED_TAXSITU_COM>-DOCUMENTNAME = 1.
<TTED_TAXSITU_COM>-ITEMNODEID = 1.
<TTED_TAXSITU_COM>-TAXEVENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TTED_TAXSITU_COM-EXPORTINDICATOR, sy-vline,
  WA_TTED_TAXSITU_COM-FISCALCODE, sy-vline,
  WA_TTED_TAXSITU_COM-TAXFROM, sy-vline,
  WA_TTED_TAXSITU_COM-TAXTO, sy-vline,
  WA_TTED_TAXSITU_COM-TAXPROCEDURE, sy-vline,
  WA_TTED_TAXSITU_COM-DIRECTIONIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TTED_TAXSITU_COM 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_TTED_TAXSITU_COM 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_TTED_TAXSITU_COM INTO WA_TTED_TAXSITU_COM.


*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_TTED_TAXSITU_COM_STR, 
CLIENT TYPE STRING,
COUNTRY TYPE STRING,
DOCUMENTNAME TYPE STRING,
ITEMNODEID TYPE STRING,
TAXEVENT TYPE STRING,
EXPORTINDICATOR TYPE STRING,
FISCALCODE TYPE STRING,
TAXFROM TYPE STRING,
TAXTO TYPE STRING,
TAXPROCEDURE TYPE STRING,
DIRECTIONIND TYPE STRING,
DOCCURRENCY TYPE STRING,
COUNTRY1 TYPE STRING,
COMMUNITY TYPE STRING,
TAXREGION TYPE STRING,
JURISDICTIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TTED_TAXSITU_COM_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_TTED_TAXSITU_COM_STR-CLIENT sy-vline 
WA_TTED_TAXSITU_COM_STR-COUNTRY sy-vline 
WA_TTED_TAXSITU_COM_STR-DOCUMENTNAME sy-vline 
WA_TTED_TAXSITU_COM_STR-ITEMNODEID sy-vline 
WA_TTED_TAXSITU_COM_STR-TAXEVENT sy-vline 
WA_TTED_TAXSITU_COM_STR-EXPORTINDICATOR sy-vline 
WA_TTED_TAXSITU_COM_STR-FISCALCODE sy-vline 
WA_TTED_TAXSITU_COM_STR-TAXFROM sy-vline 
WA_TTED_TAXSITU_COM_STR-TAXTO sy-vline 
WA_TTED_TAXSITU_COM_STR-TAXPROCEDURE sy-vline 
WA_TTED_TAXSITU_COM_STR-DIRECTIONIND sy-vline 
WA_TTED_TAXSITU_COM_STR-DOCCURRENCY sy-vline 
WA_TTED_TAXSITU_COM_STR-COUNTRY1 sy-vline 
WA_TTED_TAXSITU_COM_STR-COMMUNITY sy-vline 
WA_TTED_TAXSITU_COM_STR-TAXREGION sy-vline 
WA_TTED_TAXSITU_COM_STR-JURISDICTIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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