ABAP Select data from SAP table HRPAYSK_S_HD_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYSK_S_HD_DETAIL
*  INTO TABLE @DATA(IT_HRPAYSK_S_HD_DETAIL2).
*--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_HRPAYSK_S_HD_DETAIL INDEX 1 INTO DATA(WA_HRPAYSK_S_HD_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYSK_S_HD_DETAIL>-HPERN = 1.
<HRPAYSK_S_HD_DETAIL>-PAYER = 1.
<HRPAYSK_S_HD_DETAIL>-PERNR = 1.
<HRPAYSK_S_HD_DETAIL>-DISTI = 1.
<HRPAYSK_S_HD_DETAIL>-BASFA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYSK_S_HD_DETAIL-BASLM, sy-vline,
  WA_HRPAYSK_S_HD_DETAIL-BASOV, sy-vline,
  WA_HRPAYSK_S_HD_DETAIL-BASFI, sy-vline,
  WA_HRPAYSK_S_HD_DETAIL-RTEEE, sy-vline,
  WA_HRPAYSK_S_HD_DETAIL-CACEE, sy-vline,
  WA_HRPAYSK_S_HD_DETAIL-SUMBA_S, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYSK_S_HD_DETAIL 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_HRPAYSK_S_HD_DETAIL 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_HRPAYSK_S_HD_DETAIL INTO WA_HRPAYSK_S_HD_DETAIL.


*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_HRPAYSK_S_HD_DETAIL_STR, 
HPERN TYPE STRING,
PAYER TYPE STRING,
PERNR TYPE STRING,
DISTI TYPE STRING,
BASFA TYPE STRING,
BASLM TYPE STRING,
BASOV TYPE STRING,
BASFI TYPE STRING,
RTEEE TYPE STRING,
CACEE TYPE STRING,
SUMBA_S TYPE STRING,
SUMEE_S TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYSK_S_HD_DETAIL_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_HRPAYSK_S_HD_DETAIL_STR-HPERN sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-PAYER sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-PERNR sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-DISTI sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-BASFA sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-BASLM sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-BASOV sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-BASFI sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-RTEEE sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-CACEE sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-SUMBA_S sy-vline 
WA_HRPAYSK_S_HD_DETAIL_STR-SUMEE_S sy-vline      INTO ld_text SEPARATED BY SPACE.

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