ABAP Select data from SAP table HRPAYDETM01_ABWKO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYDETM01_ABWKO 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 HRPAYDETM01_ABWKO. 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 HRPAYDETM01_ABWKO 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_HRPAYDETM01_ABWKO TYPE STANDARD TABLE OF HRPAYDETM01_ABWKO,
      WA_HRPAYDETM01_ABWKO TYPE HRPAYDETM01_ABWKO,
      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: <HRPAYDETM01_ABWKO> TYPE HRPAYDETM01_ABWKO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYDETM01_ABWKO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYDETM01_ABWKO
  INTO TABLE IT_HRPAYDETM01_ABWKO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYDETM01_ABWKO
*  INTO TABLE @DATA(IT_HRPAYDETM01_ABWKO2).
*--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_HRPAYDETM01_ABWKO INDEX 1 INTO DATA(WA_HRPAYDETM01_ABWKO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYDETM01_ABWKO ASSIGNING <HRPAYDETM01_ABWKO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYDETM01_ABWKO>-KTART = 1.
<HRPAYDETM01_ABWKO>-KTTEXT = 1.
<HRPAYDETM01_ABWKO>-BEGDA = 1.
<HRPAYDETM01_ABWKO>-ENDDA = 1.
<HRPAYDETM01_ABWKO>-DESTA = 1.

ENDLOOP.

LOOP AT IT_HRPAYDETM01_ABWKO INTO WA_HRPAYDETM01_ABWKO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYDETM01_ABWKO-DEEND, sy-vline,
  WA_HRPAYDETM01_ABWKO-ENTITLE, sy-vline,
  WA_HRPAYDETM01_ABWKO-DEDUCT, sy-vline,
  WA_HRPAYDETM01_ABWKO-ORDERED, sy-vline,
  WA_HRPAYDETM01_ABWKO-REDUCED, sy-vline,
  WA_HRPAYDETM01_ABWKO-REDUCED2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYDETM01_ABWKO 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_HRPAYDETM01_ABWKO 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_HRPAYDETM01_ABWKO INTO WA_HRPAYDETM01_ABWKO.


*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_HRPAYDETM01_ABWKO_STR, 
KTART TYPE STRING,
KTTEXT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
DESTA TYPE STRING,
DEEND TYPE STRING,
ENTITLE TYPE STRING,
DEDUCT TYPE STRING,
ORDERED TYPE STRING,
REDUCED TYPE STRING,
REDUCED2 TYPE STRING,
REST TYPE STRING,
REST2 TYPE STRING,
QUOUN TYPE STRING,
QUOUN_ISOCODE TYPE STRING,
UNTEXT TYPE STRING,
INFTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYDETM01_ABWKO_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_HRPAYDETM01_ABWKO_STR-KTART sy-vline 
WA_HRPAYDETM01_ABWKO_STR-KTTEXT sy-vline 
WA_HRPAYDETM01_ABWKO_STR-BEGDA sy-vline 
WA_HRPAYDETM01_ABWKO_STR-ENDDA sy-vline 
WA_HRPAYDETM01_ABWKO_STR-DESTA sy-vline 
WA_HRPAYDETM01_ABWKO_STR-DEEND sy-vline 
WA_HRPAYDETM01_ABWKO_STR-ENTITLE sy-vline 
WA_HRPAYDETM01_ABWKO_STR-DEDUCT sy-vline 
WA_HRPAYDETM01_ABWKO_STR-ORDERED sy-vline 
WA_HRPAYDETM01_ABWKO_STR-REDUCED sy-vline 
WA_HRPAYDETM01_ABWKO_STR-REDUCED2 sy-vline 
WA_HRPAYDETM01_ABWKO_STR-REST sy-vline 
WA_HRPAYDETM01_ABWKO_STR-REST2 sy-vline 
WA_HRPAYDETM01_ABWKO_STR-QUOUN sy-vline 
WA_HRPAYDETM01_ABWKO_STR-QUOUN_ISOCODE sy-vline 
WA_HRPAYDETM01_ABWKO_STR-UNTEXT sy-vline 
WA_HRPAYDETM01_ABWKO_STR-INFTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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