ABAP Select data from SAP table EDO_PL_CLASSIFIED_TAX_CATEGORY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDO_PL_CLASSIFIED_TAX_CATEGORY
*  INTO TABLE @DATA(IT_EDO_PL_CLASSIFIED_TAX_CATEGORY2).
*--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_EDO_PL_CLASSIFIED_TAX_CATEGORY INDEX 1 INTO DATA(WA_EDO_PL_CLASSIFIED_TAX_CATEGORY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDO_PL_CLASSIFIED_TAX_CATEGORY>-CONTROLLER = 1.
<EDO_PL_CLASSIFIED_TAX_CATEGORY>-ID = 1.
<EDO_PL_CLASSIFIED_TAX_CATEGORY>-CONTROLLER = 1.
<EDO_PL_CLASSIFIED_TAX_CATEGORY>-BASE = 1.
<EDO_PL_CLASSIFIED_TAX_CATEGORY>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDO_PL_CLASSIFIED_TAX_CATEGORY-BASE, sy-vline,
  WA_EDO_PL_CLASSIFIED_TAX_CATEGORY-CONTROLLER, sy-vline,
  WA_EDO_PL_CLASSIFIED_TAX_CATEGORY-SCHEME_ID, sy-vline,
  WA_EDO_PL_CLASSIFIED_TAX_CATEGORY-SCHEME_NAME, sy-vline,
  WA_EDO_PL_CLASSIFIED_TAX_CATEGORY-SCHEME_AGENCY_ID, sy-vline,
  WA_EDO_PL_CLASSIFIED_TAX_CATEGORY-SCHEME_AGENCY_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDO_PL_CLASSIFIED_TAX_CATEGORY 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_EDO_PL_CLASSIFIED_TAX_CATEGORY 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_EDO_PL_CLASSIFIED_TAX_CATEGORY INTO WA_EDO_PL_CLASSIFIED_TAX_CATEGORY.


*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_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR, 
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_NAME TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_NAME TYPE STRING,
SCHEME_VERSION_ID TYPE STRING,
SCHEME_DATA_URI TYPE STRING,
SCHEME_URI TYPE STRING,
CONTENT TYPE STRING,
PERCENT TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
FORMAT TYPE STRING,
CONTENT TYPE STRING,
TAX_SCHEME TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_NAME TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_NAME TYPE STRING,
SCHEME_VERSION_ID TYPE STRING,
SCHEME_DATA_URI TYPE STRING,
SCHEME_URI TYPE STRING,
CONTENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_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_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-BASE sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-BASE sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_NAME sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_AGENCY_ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_AGENCY_NAME sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_VERSION_ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_DATA_URI sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_URI sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTENT sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-PERCENT sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-BASE sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-BASE sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-FORMAT sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTENT sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-TAX_SCHEME sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-BASE sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-BASE sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTROLLER sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_NAME sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_AGENCY_ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_AGENCY_NAME sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_VERSION_ID sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_DATA_URI sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-SCHEME_URI sy-vline 
WA_EDO_PL_CLASSIFIED_TAX_CATEGORY_STR-CONTENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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