ABAP Select data from SAP table HRPAYRU_S_RMS_CITAX_INCTAX 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_RMS_CITAX_INCTAX 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_RMS_CITAX_INCTAX. 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_RMS_CITAX_INCTAX 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_RMS_CITAX_INCTAX TYPE STANDARD TABLE OF HRPAYRU_S_RMS_CITAX_INCTAX,
      WA_HRPAYRU_S_RMS_CITAX_INCTAX TYPE HRPAYRU_S_RMS_CITAX_INCTAX,
      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_RMS_CITAX_INCTAX> TYPE HRPAYRU_S_RMS_CITAX_INCTAX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYRU_S_RMS_CITAX_INCTAX
*  INTO TABLE @DATA(IT_HRPAYRU_S_RMS_CITAX_INCTAX2).
*--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_RMS_CITAX_INCTAX INDEX 1 INTO DATA(WA_HRPAYRU_S_RMS_CITAX_INCTAX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYRU_S_RMS_CITAX_INCTAX>-PERAS = 1.
<HRPAYRU_S_RMS_CITAX_INCTAX>-TAX_AGENT = 1.
<HRPAYRU_S_RMS_CITAX_INCTAX>-INN = 1.
<HRPAYRU_S_RMS_CITAX_INCTAX>-KPP = 1.
<HRPAYRU_S_RMS_CITAX_INCTAX>-OKTMO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYRU_S_RMS_CITAX_INCTAX-EARN_MONTH, sy-vline,
  WA_HRPAYRU_S_RMS_CITAX_INCTAX-ACT_EARNING_DATE, sy-vline,
  WA_HRPAYRU_S_RMS_CITAX_INCTAX-INCOME_CODE, sy-vline,
  WA_HRPAYRU_S_RMS_CITAX_INCTAX-INCOME_CONDITION, sy-vline,
  WA_HRPAYRU_S_RMS_CITAX_INCTAX-AMOUNT, sy-vline,
  WA_HRPAYRU_S_RMS_CITAX_INCTAX-TAX_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYRU_S_RMS_CITAX_INCTAX 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_RMS_CITAX_INCTAX 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_RMS_CITAX_INCTAX INTO WA_HRPAYRU_S_RMS_CITAX_INCTAX.


*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_RMS_CITAX_INCTAX_STR, 
PERAS TYPE STRING,
TAX_AGENT TYPE STRING,
INN TYPE STRING,
KPP TYPE STRING,
OKTMO TYPE STRING,
EARN_MONTH TYPE STRING,
ACT_EARNING_DATE TYPE STRING,
INCOME_CODE TYPE STRING,
INCOME_CONDITION TYPE STRING,
AMOUNT TYPE STRING,
TAX_CODE TYPE STRING,
RATE TYPE STRING,
BASE TYPE STRING,
ACCRUED_TAX TYPE STRING,
WITHHELD_TAX TYPE STRING,
WITHHOLDING_DATE TYPE STRING,
TRANSFER_DUE TYPE STRING,
TRANSFERRED_TAX TYPE STRING,
PAYMORD TYPE STRING,
IN_PERIOD_END_DATE TYPE STRING,
TAX_SCALE TYPE STRING,
BCC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYRU_S_RMS_CITAX_INCTAX_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_RMS_CITAX_INCTAX_STR-PERAS sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-TAX_AGENT sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-INN sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-KPP sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-OKTMO sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-EARN_MONTH sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-ACT_EARNING_DATE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-INCOME_CODE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-INCOME_CONDITION sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-AMOUNT sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-TAX_CODE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-RATE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-BASE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-ACCRUED_TAX sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-WITHHELD_TAX sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-WITHHOLDING_DATE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-TRANSFER_DUE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-TRANSFERRED_TAX sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-PAYMORD sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-IN_PERIOD_END_DATE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-TAX_SCALE sy-vline 
WA_HRPAYRU_S_RMS_CITAX_INCTAX_STR-BCC sy-vline      INTO ld_text SEPARATED BY SPACE.

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