ABAP Select data from SAP table J_1UTAXHELP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1UTAXHELP 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 J_1UTAXHELP. 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 J_1UTAXHELP 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_J_1UTAXHELP TYPE STANDARD TABLE OF J_1UTAXHELP,
      WA_J_1UTAXHELP TYPE J_1UTAXHELP,
      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: <J_1UTAXHELP> TYPE J_1UTAXHELP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1UTAXHELP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1UTAXHELP
  INTO TABLE IT_J_1UTAXHELP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1UTAXHELP
*  INTO TABLE @DATA(IT_J_1UTAXHELP2).
*--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_J_1UTAXHELP INDEX 1 INTO DATA(WA_J_1UTAXHELP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1UTAXHELP ASSIGNING <J_1UTAXHELP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1UTAXHELP>-PAGE1 = 1.
<J_1UTAXHELP>-ROUND00 = 1.
<J_1UTAXHELP>-PAGE2 = 1.
<J_1UTAXHELP>-PAGED1 = 1.
<J_1UTAXHELP>-PAGED2 = 1.

ENDLOOP.

LOOP AT IT_J_1UTAXHELP INTO WA_J_1UTAXHELP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1UTAXHELP-PAGED3, sy-vline,
  WA_J_1UTAXHELP-PAGED4, sy-vline,
  WA_J_1UTAXHELP-PAGED5, sy-vline,
  WA_J_1UTAXHELP-PAGEDX, sy-vline,
  WA_J_1UTAXHELP-SCALE, sy-vline,
  WA_J_1UTAXHELP-TESTDECL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1UTAXHELP 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_J_1UTAXHELP 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_J_1UTAXHELP INTO WA_J_1UTAXHELP.


*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_J_1UTAXHELP_STR, 
PAGE1 TYPE STRING,
ROUND00 TYPE STRING,
PAGE2 TYPE STRING,
PAGED1 TYPE STRING,
PAGED2 TYPE STRING,
PAGED3 TYPE STRING,
PAGED4 TYPE STRING,
PAGED5 TYPE STRING,
PAGEDX TYPE STRING,
SCALE TYPE STRING,
TESTDECL TYPE STRING,
DECLDATE TYPE STRING,
DANNEX1 TYPE STRING,
DANNEX5 TYPE STRING,
D011012 TYPE STRING,
ENQUIRY TYPE STRING,
MANID TYPE STRING,
BUHID TYPE STRING,
DANNEX6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1UTAXHELP_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_J_1UTAXHELP_STR-PAGE1 sy-vline 
WA_J_1UTAXHELP_STR-ROUND00 sy-vline 
WA_J_1UTAXHELP_STR-PAGE2 sy-vline 
WA_J_1UTAXHELP_STR-PAGED1 sy-vline 
WA_J_1UTAXHELP_STR-PAGED2 sy-vline 
WA_J_1UTAXHELP_STR-PAGED3 sy-vline 
WA_J_1UTAXHELP_STR-PAGED4 sy-vline 
WA_J_1UTAXHELP_STR-PAGED5 sy-vline 
WA_J_1UTAXHELP_STR-PAGEDX sy-vline 
WA_J_1UTAXHELP_STR-SCALE sy-vline 
WA_J_1UTAXHELP_STR-TESTDECL sy-vline 
WA_J_1UTAXHELP_STR-DECLDATE sy-vline 
WA_J_1UTAXHELP_STR-DANNEX1 sy-vline 
WA_J_1UTAXHELP_STR-DANNEX5 sy-vline 
WA_J_1UTAXHELP_STR-D011012 sy-vline 
WA_J_1UTAXHELP_STR-ENQUIRY sy-vline 
WA_J_1UTAXHELP_STR-MANID sy-vline 
WA_J_1UTAXHELP_STR-BUHID sy-vline 
WA_J_1UTAXHELP_STR-DANNEX6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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