ABAP Select data from SAP table HRPAY00_NTTSK into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAY00_NTTSK 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 HRPAY00_NTTSK. 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 HRPAY00_NTTSK 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_HRPAY00_NTTSK TYPE STANDARD TABLE OF HRPAY00_NTTSK,
      WA_HRPAY00_NTTSK TYPE HRPAY00_NTTSK,
      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: <HRPAY00_NTTSK> TYPE HRPAY00_NTTSK.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAY00_NTTSK.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAY00_NTTSK
  INTO TABLE IT_HRPAY00_NTTSK.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAY00_NTTSK
*  INTO TABLE @DATA(IT_HRPAY00_NTTSK2).
*--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_HRPAY00_NTTSK INDEX 1 INTO DATA(WA_HRPAY00_NTTSK2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAY00_NTTSK ASSIGNING <HRPAY00_NTTSK>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAY00_NTTSK>-MANDT = 1.
<HRPAY00_NTTSK>-GUID = 1.
<HRPAY00_NTTSK>-MOLGA = 1.
<HRPAY00_NTTSK>-AREA = 1.
<HRPAY00_NTTSK>-SUBAREA = 1.

ENDLOOP.

LOOP AT IT_HRPAY00_NTTSK INTO WA_HRPAY00_NTTSK.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAY00_NTTSK-PERNR, sy-vline,
  WA_HRPAY00_NTTSK-WERKS, sy-vline,
  WA_HRPAY00_NTTSK-BTRTL, sy-vline,
  WA_HRPAY00_NTTSK-CLGRP, sy-vline,
  WA_HRPAY00_NTTSK-CLUSR, sy-vline,
  WA_HRPAY00_NTTSK-ABKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAY00_NTTSK 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_HRPAY00_NTTSK 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_HRPAY00_NTTSK INTO WA_HRPAY00_NTTSK.


*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.

*Conversion exit GJAHR, internal->external for field PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAY00_NTTSK-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAY00_NTTSK-PABRJ.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HRPAY00_NTTSK_STR, 
MANDT TYPE STRING,
GUID TYPE STRING,
MOLGA TYPE STRING,
AREA TYPE STRING,
SUBAREA TYPE STRING,
PERNR TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
CLGRP TYPE STRING,
CLUSR TYPE STRING,
ABKRS TYPE STRING,
PABRJ TYPE STRING,
PABRP TYPE STRING,
ORGPRG TYPE STRING,
FOLUP TYPE STRING,
FRTXT TYPE STRING,
LLOCK TYPE STRING,
PMODE TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
STTSK TYPE STRING,
CPROG TYPE STRING,
GDATE TYPE STRING,
GTIME TYPE STRING,
UNAME TYPE STRING,
SYSID TYPE STRING,
SYMDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAY00_NTTSK_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_HRPAY00_NTTSK_STR-MANDT sy-vline 
WA_HRPAY00_NTTSK_STR-GUID sy-vline 
WA_HRPAY00_NTTSK_STR-MOLGA sy-vline 
WA_HRPAY00_NTTSK_STR-AREA sy-vline 
WA_HRPAY00_NTTSK_STR-SUBAREA sy-vline 
WA_HRPAY00_NTTSK_STR-PERNR sy-vline 
WA_HRPAY00_NTTSK_STR-WERKS sy-vline 
WA_HRPAY00_NTTSK_STR-BTRTL sy-vline 
WA_HRPAY00_NTTSK_STR-CLGRP sy-vline 
WA_HRPAY00_NTTSK_STR-CLUSR sy-vline 
WA_HRPAY00_NTTSK_STR-ABKRS sy-vline 
WA_HRPAY00_NTTSK_STR-PABRJ sy-vline 
WA_HRPAY00_NTTSK_STR-PABRP sy-vline 
WA_HRPAY00_NTTSK_STR-ORGPRG sy-vline 
WA_HRPAY00_NTTSK_STR-FOLUP sy-vline 
WA_HRPAY00_NTTSK_STR-FRTXT sy-vline 
WA_HRPAY00_NTTSK_STR-LLOCK sy-vline 
WA_HRPAY00_NTTSK_STR-PMODE sy-vline 
WA_HRPAY00_NTTSK_STR-MSGTY sy-vline 
WA_HRPAY00_NTTSK_STR-MSGID sy-vline 
WA_HRPAY00_NTTSK_STR-MSGNO sy-vline 
WA_HRPAY00_NTTSK_STR-MSGV1 sy-vline 
WA_HRPAY00_NTTSK_STR-MSGV2 sy-vline 
WA_HRPAY00_NTTSK_STR-MSGV3 sy-vline 
WA_HRPAY00_NTTSK_STR-MSGV4 sy-vline 
WA_HRPAY00_NTTSK_STR-STTSK sy-vline 
WA_HRPAY00_NTTSK_STR-CPROG sy-vline 
WA_HRPAY00_NTTSK_STR-GDATE sy-vline 
WA_HRPAY00_NTTSK_STR-GTIME sy-vline 
WA_HRPAY00_NTTSK_STR-UNAME sy-vline 
WA_HRPAY00_NTTSK_STR-SYSID sy-vline 
WA_HRPAY00_NTTSK_STR-SYMDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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