ABAP Select data from SAP table J_1UF_TAX_REGISTER_OUT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1UF_TAX_REGISTER_OUT 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_1UF_TAX_REGISTER_OUT. 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_1UF_TAX_REGISTER_OUT 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_1UF_TAX_REGISTER_OUT TYPE STANDARD TABLE OF J_1UF_TAX_REGISTER_OUT,
      WA_J_1UF_TAX_REGISTER_OUT TYPE J_1UF_TAX_REGISTER_OUT,
      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_1UF_TAX_REGISTER_OUT> TYPE J_1UF_TAX_REGISTER_OUT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1UF_TAX_REGISTER_OUT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1UF_TAX_REGISTER_OUT
  INTO TABLE IT_J_1UF_TAX_REGISTER_OUT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1UF_TAX_REGISTER_OUT
*  INTO TABLE @DATA(IT_J_1UF_TAX_REGISTER_OUT2).
*--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_1UF_TAX_REGISTER_OUT INDEX 1 INTO DATA(WA_J_1UF_TAX_REGISTER_OUT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1UF_TAX_REGISTER_OUT ASSIGNING <J_1UF_TAX_REGISTER_OUT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1UF_TAX_REGISTER_OUT>-GROUP = 1.
<J_1UF_TAX_REGISTER_OUT>-BUKRS = 1.
<J_1UF_TAX_REGISTER_OUT>-BELNR = 1.
<J_1UF_TAX_REGISTER_OUT>-GJAHR = 1.
<J_1UF_TAX_REGISTER_OUT>-IS_CLEARED = 1.

ENDLOOP.

LOOP AT IT_J_1UF_TAX_REGISTER_OUT INTO WA_J_1UF_TAX_REGISTER_OUT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1UF_TAX_REGISTER_OUT-AUGBL, sy-vline,
  WA_J_1UF_TAX_REGISTER_OUT-AUGDT, sy-vline,
  WA_J_1UF_TAX_REGISTER_OUT-STBLG, sy-vline,
  WA_J_1UF_TAX_REGISTER_OUT-STJAH, sy-vline,
  WA_J_1UF_TAX_REGISTER_OUT-DOC_TYPE, sy-vline,
  WA_J_1UF_TAX_REGISTER_OUT-DOC_SUBTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1UF_TAX_REGISTER_OUT 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_1UF_TAX_REGISTER_OUT 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_1UF_TAX_REGISTER_OUT INTO WA_J_1UF_TAX_REGISTER_OUT.


*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.

*Conversion exit ALPHA, internal->external for field GROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-GROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-GROUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-AUGBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STBLG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-STBLG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-STBLG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field STJAH
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-STJAH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-STJAH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR_I
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-DMBTR_I
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-DMBTR_I.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWBAS_I
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-HWBAS_I
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-HWBAS_I.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field MWSTS_I
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-MWSTS_I
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-MWSTS_I.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR_T
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-DMBTR_T
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-DMBTR_T.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWBAS_T
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-HWBAS_T
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-HWBAS_T.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field MWSTS_T
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-MWSTS_T
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-MWSTS_T.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR_D
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-DMBTR_D
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-DMBTR_D.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWBAS_D
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-HWBAS_D
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-HWBAS_D.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field MWSTS_D
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-MWSTS_D
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-MWSTS_D.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1UF_TAX_REGISTER_OUT-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1UF_TAX_REGISTER_OUT-VBELN.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_J_1UF_TAX_REGISTER_OUT_STR, 
GROUP TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
IS_CLEARED TYPE STRING,
AUGBL TYPE STRING,
AUGDT TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
DOC_TYPE TYPE STRING,
DOC_SUBTYPE TYPE STRING,
BUDAT TYPE STRING,
HWAER TYPE STRING,
DMBTR_I TYPE STRING,
HWBAS_I TYPE STRING,
MWSTS_I TYPE STRING,
DMBTR_T TYPE STRING,
HWBAS_T TYPE STRING,
MWSTS_T TYPE STRING,
DMBTR_D TYPE STRING,
HWBAS_D TYPE STRING,
MWSTS_D TYPE STRING,
WRONG_AMNT TYPE STRING,
INDEX_REC TYPE STRING,
BKTXT TYPE STRING,
XBLNR TYPE STRING,
KUNNR TYPE STRING,
VBELN TYPE STRING,
ZUONR TYPE STRING,
KUNNR_NAME TYPE STRING,
BSTAT TYPE STRING,
EXTCNUM TYPE STRING,
CNTDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1UF_TAX_REGISTER_OUT_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_1UF_TAX_REGISTER_OUT_STR-GROUP sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-BUKRS sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-BELNR sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-GJAHR sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-IS_CLEARED sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-AUGBL sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-AUGDT sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-STBLG sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-STJAH sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-DOC_TYPE sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-DOC_SUBTYPE sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-BUDAT sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-HWAER sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-DMBTR_I sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-HWBAS_I sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-MWSTS_I sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-DMBTR_T sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-HWBAS_T sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-MWSTS_T sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-DMBTR_D sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-HWBAS_D sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-MWSTS_D sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-WRONG_AMNT sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-INDEX_REC sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-BKTXT sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-XBLNR sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-KUNNR sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-VBELN sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-ZUONR sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-KUNNR_NAME sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-BSTAT sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-EXTCNUM sy-vline 
WA_J_1UF_TAX_REGISTER_OUT_STR-CNTDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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