ABAP Select data from SAP table HRPAYAT_EKSA_INTERFACE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYAT_EKSA_INTERFACE
*  INTO TABLE @DATA(IT_HRPAYAT_EKSA_INTERFACE2).
*--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_HRPAYAT_EKSA_INTERFACE INDEX 1 INTO DATA(WA_HRPAYAT_EKSA_INTERFACE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYAT_EKSA_INTERFACE>-SELTAB = 1.
<HRPAYAT_EKSA_INTERFACE>-PAYROLL_RESULT = 1.
<HRPAYAT_EKSA_INTERFACE>-DETAIL = 1.
<HRPAYAT_EKSA_INTERFACE>-PERNR = 1.
<HRPAYAT_EKSA_INTERFACE>-NACHN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYAT_EKSA_INTERFACE-VORNA, sy-vline,
  WA_HRPAYAT_EKSA_INTERFACE-ETGTA, sy-vline,
  WA_HRPAYAT_EKSA_INTERFACE-VWGRP, sy-vline,
  WA_HRPAYAT_EKSA_INTERFACE-VWGRT, sy-vline,
  WA_HRPAYAT_EKSA_INTERFACE-VWGRJ, sy-vline,
  WA_HRPAYAT_EKSA_INTERFACE-FKTGR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYAT_EKSA_INTERFACE 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_HRPAYAT_EKSA_INTERFACE 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_HRPAYAT_EKSA_INTERFACE INTO WA_HRPAYAT_EKSA_INTERFACE.


*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_HRPAYAT_EKSA_INTERFACE_STR, 
SELTAB TYPE STRING,
PAYROLL_RESULT TYPE STRING,
DETAIL TYPE STRING,
PERNR TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
ETGTA TYPE STRING,
VWGRP TYPE STRING,
VWGRT TYPE STRING,
VWGRJ TYPE STRING,
FKTGR TYPE STRING,
GESCH TYPE STRING,
ANZDJ TYPE STRING,
ANZDA TYPE STRING,
ETBTR TYPE STRING,
BSGRD TYPE STRING,
ARBAN TYPE STRING,
STATU TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
FTEQU TYPE STRING,
TRFST TYPE STRING,
TRFGR TYPE STRING,
STELL TYPE STRING,
EXPOL TYPE STRING,
RELEV TYPE STRING,
DETAIL_LISTE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYAT_EKSA_INTERFACE_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_HRPAYAT_EKSA_INTERFACE_STR-SELTAB sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-PAYROLL_RESULT sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-DETAIL sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-PERNR sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-NACHN sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-VORNA sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-ETGTA sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-VWGRP sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-VWGRT sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-VWGRJ sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-FKTGR sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-GESCH sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-ANZDJ sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-ANZDA sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-ETBTR sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-BSGRD sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-ARBAN sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-STATU sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-BEGDA sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-ENDDA sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-FTEQU sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-TRFST sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-TRFGR sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-STELL sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-EXPOL sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-RELEV sy-vline 
WA_HRPAYAT_EKSA_INTERFACE_STR-DETAIL_LISTE sy-vline      INTO ld_text SEPARATED BY SPACE.

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