ABAP Select data from SAP table HRPAYDECI_UREGELN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYDECI_UREGELN
*  INTO TABLE @DATA(IT_HRPAYDECI_UREGELN2).
*--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_HRPAYDECI_UREGELN INDEX 1 INTO DATA(WA_HRPAYDECI_UREGELN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYDECI_UREGELN>-MANDT = 1.
<HRPAYDECI_UREGELN>-MOPGK = 1.
<HRPAYDECI_UREGELN>-MOZKO = 1.
<HRPAYDECI_UREGELN>-KTGRP = 1.
<HRPAYDECI_UREGELN>-KTART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYDECI_UREGELN-VORLG, sy-vline,
  WA_HRPAYDECI_UREGELN-UTAGE, sy-vline,
  WA_HRPAYDECI_UREGELN-UDIVS, sy-vline,
  WA_HRPAYDECI_UREGELN-EGRGL, sy-vline,
  WA_HRPAYDECI_UREGELN-EGPRZ, sy-vline,
  WA_HRPAYDECI_UREGELN-LGAEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYDECI_UREGELN 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_HRPAYDECI_UREGELN 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_HRPAYDECI_UREGELN INTO WA_HRPAYDECI_UREGELN.


*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_HRPAYDECI_UREGELN_STR, 
MANDT TYPE STRING,
MOPGK TYPE STRING,
MOZKO TYPE STRING,
KTGRP TYPE STRING,
KTART TYPE STRING,
VORLG TYPE STRING,
UTAGE TYPE STRING,
UDIVS TYPE STRING,
EGRGL TYPE STRING,
EGPRZ TYPE STRING,
LGAEG TYPE STRING,
GREGL TYPE STRING,
GPRZS TYPE STRING,
GBTRG TYPE STRING,
LGAGD TYPE STRING,
ABWKA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYDECI_UREGELN_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_HRPAYDECI_UREGELN_STR-MANDT sy-vline 
WA_HRPAYDECI_UREGELN_STR-MOPGK sy-vline 
WA_HRPAYDECI_UREGELN_STR-MOZKO sy-vline 
WA_HRPAYDECI_UREGELN_STR-KTGRP sy-vline 
WA_HRPAYDECI_UREGELN_STR-KTART sy-vline 
WA_HRPAYDECI_UREGELN_STR-VORLG sy-vline 
WA_HRPAYDECI_UREGELN_STR-UTAGE sy-vline 
WA_HRPAYDECI_UREGELN_STR-UDIVS sy-vline 
WA_HRPAYDECI_UREGELN_STR-EGRGL sy-vline 
WA_HRPAYDECI_UREGELN_STR-EGPRZ sy-vline 
WA_HRPAYDECI_UREGELN_STR-LGAEG sy-vline 
WA_HRPAYDECI_UREGELN_STR-GREGL sy-vline 
WA_HRPAYDECI_UREGELN_STR-GPRZS sy-vline 
WA_HRPAYDECI_UREGELN_STR-GBTRG sy-vline 
WA_HRPAYDECI_UREGELN_STR-LGAGD sy-vline 
WA_HRPAYDECI_UREGELN_STR-ABWKA sy-vline      INTO ld_text SEPARATED BY SPACE.

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