ABAP Select data from SAP table HRPAYIT_S_CUR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYIT_S_CUR
*  INTO TABLE @DATA(IT_HRPAYIT_S_CUR2).
*--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_HRPAYIT_S_CUR INDEX 1 INTO DATA(WA_HRPAYIT_S_CUR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYIT_S_CUR>-PERNR = 1.
<HRPAYIT_S_CUR>-SUBTY = 1.
<HRPAYIT_S_CUR>-HEIRN = 1.
<HRPAYIT_S_CUR>-SEQNO = 1.
<HRPAYIT_S_CUR>-PARTN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYIT_S_CUR-LINEN, sy-vline,
  WA_HRPAYIT_S_CUR-CODEN, sy-vline,
  WA_HRPAYIT_S_CUR-ORIGN, sy-vline,
  WA_HRPAYIT_S_CUR-BETRG, sy-vline,
  WA_HRPAYIT_S_CUR-VALUE, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYIT_S_CUR 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_HRPAYIT_S_CUR 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_HRPAYIT_S_CUR INTO WA_HRPAYIT_S_CUR.


*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_HRPAYIT_S_CUR_STR, 
PERNR TYPE STRING,
SUBTY TYPE STRING,
HEIRN TYPE STRING,
SEQNO TYPE STRING,
PARTN TYPE STRING,
LINEN TYPE STRING,
CODEN TYPE STRING,
ORIGN TYPE STRING,
BETRG TYPE STRING,
VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYIT_S_CUR_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_HRPAYIT_S_CUR_STR-PERNR sy-vline 
WA_HRPAYIT_S_CUR_STR-SUBTY sy-vline 
WA_HRPAYIT_S_CUR_STR-HEIRN sy-vline 
WA_HRPAYIT_S_CUR_STR-SEQNO sy-vline 
WA_HRPAYIT_S_CUR_STR-PARTN sy-vline 
WA_HRPAYIT_S_CUR_STR-LINEN sy-vline 
WA_HRPAYIT_S_CUR_STR-CODEN sy-vline 
WA_HRPAYIT_S_CUR_STR-ORIGN sy-vline 
WA_HRPAYIT_S_CUR_STR-BETRG sy-vline 
WA_HRPAYIT_S_CUR_STR-VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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