ABAP Select data from SAP table HRPAYRU_S_ITTAX_LGART into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYRU_S_ITTAX_LGART
*  INTO TABLE @DATA(IT_HRPAYRU_S_ITTAX_LGART2).
*--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_HRPAYRU_S_ITTAX_LGART INDEX 1 INTO DATA(WA_HRPAYRU_S_ITTAX_LGART2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYRU_S_ITTAX_LGART>-SIGN = 1.
<HRPAYRU_S_ITTAX_LGART>-WTPRI = 1.
<HRPAYRU_S_ITTAX_LGART>-KBKPRI = 1.
<HRPAYRU_S_ITTAX_LGART>-PERAS = 1.
<HRPAYRU_S_ITTAX_LGART>-ABART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYRU_S_ITTAX_LGART-LGART, sy-vline,
  WA_HRPAYRU_S_ITTAX_LGART-APZNR, sy-vline,
  WA_HRPAYRU_S_ITTAX_LGART-CNTR1, sy-vline,
  WA_HRPAYRU_S_ITTAX_LGART-CNTR2, sy-vline,
  WA_HRPAYRU_S_ITTAX_LGART-CNTR3, sy-vline,
  WA_HRPAYRU_S_ITTAX_LGART-ALZNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYRU_S_ITTAX_LGART 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_HRPAYRU_S_ITTAX_LGART 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_HRPAYRU_S_ITTAX_LGART INTO WA_HRPAYRU_S_ITTAX_LGART.


*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_HRPAYRU_S_ITTAX_LGART_STR, 
SIGN TYPE STRING,
WTPRI TYPE STRING,
KBKPRI TYPE STRING,
PERAS TYPE STRING,
ABART TYPE STRING,
LGART TYPE STRING,
APZNR TYPE STRING,
CNTR1 TYPE STRING,
CNTR2 TYPE STRING,
CNTR3 TYPE STRING,
ALZNR TYPE STRING,
C1ZNR TYPE STRING,
BTZNR TYPE STRING,
ABZNR TYPE STRING,
V0TYP TYPE STRING,
V0ZNR TYPE STRING,
ZEINH TYPE STRING,
BETPE TYPE STRING,
ANZHL TYPE STRING,
BETRG TYPE STRING,
RTE_CURR TYPE STRING,
AMT_CURR TYPE STRING,
LGART_B TYPE STRING,
LGART1 TYPE STRING,
LGART2 TYPE STRING,
LGART3 TYPE STRING,
LGTAX TYPE STRING,
PAYDR TYPE STRING,
PAYDD TYPE STRING,
RESERVED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYRU_S_ITTAX_LGART_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_HRPAYRU_S_ITTAX_LGART_STR-SIGN sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-WTPRI sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-KBKPRI sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-PERAS sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-ABART sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-LGART sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-APZNR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-CNTR1 sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-CNTR2 sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-CNTR3 sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-ALZNR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-C1ZNR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-BTZNR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-ABZNR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-V0TYP sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-V0ZNR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-ZEINH sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-BETPE sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-ANZHL sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-BETRG sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-RTE_CURR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-AMT_CURR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-LGART_B sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-LGART1 sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-LGART2 sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-LGART3 sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-LGTAX sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-PAYDR sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-PAYDD sy-vline 
WA_HRPAYRU_S_ITTAX_LGART_STR-RESERVED sy-vline      INTO ld_text SEPARATED BY SPACE.

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