ABAP Select data from SAP table HRPAYUS_S_RPCPL1U0_ALV1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYUS_S_RPCPL1U0_ALV1 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 HRPAYUS_S_RPCPL1U0_ALV1. 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 HRPAYUS_S_RPCPL1U0_ALV1 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_HRPAYUS_S_RPCPL1U0_ALV1 TYPE STANDARD TABLE OF HRPAYUS_S_RPCPL1U0_ALV1,
      WA_HRPAYUS_S_RPCPL1U0_ALV1 TYPE HRPAYUS_S_RPCPL1U0_ALV1,
      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: <HRPAYUS_S_RPCPL1U0_ALV1> TYPE HRPAYUS_S_RPCPL1U0_ALV1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYUS_S_RPCPL1U0_ALV1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYUS_S_RPCPL1U0_ALV1
  INTO TABLE IT_HRPAYUS_S_RPCPL1U0_ALV1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYUS_S_RPCPL1U0_ALV1
*  INTO TABLE @DATA(IT_HRPAYUS_S_RPCPL1U0_ALV12).
*--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_HRPAYUS_S_RPCPL1U0_ALV1 INDEX 1 INTO DATA(WA_HRPAYUS_S_RPCPL1U0_ALV12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYUS_S_RPCPL1U0_ALV1 ASSIGNING <HRPAYUS_S_RPCPL1U0_ALV1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYUS_S_RPCPL1U0_ALV1>-PERNR = 1.
<HRPAYUS_S_RPCPL1U0_ALV1>-PERIDEXT = 1.
<HRPAYUS_S_RPCPL1U0_ALV1>-NAME = 1.
<HRPAYUS_S_RPCPL1U0_ALV1>-PERID = 1.
<HRPAYUS_S_RPCPL1U0_ALV1>-GRNUM = 1.

ENDLOOP.

LOOP AT IT_HRPAYUS_S_RPCPL1U0_ALV1 INTO WA_HRPAYUS_S_RPCPL1U0_ALV1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYUS_S_RPCPL1U0_ALV1-GCASE, sy-vline,
  WA_HRPAYUS_S_RPCPL1U0_ALV1-LIFNR, sy-vline,
  WA_HRPAYUS_S_RPCPL1U0_ALV1-ORDCD, sy-vline,
  WA_HRPAYUS_S_RPCPL1U0_ALV1-ORDTX, sy-vline,
  WA_HRPAYUS_S_RPCPL1U0_ALV1-RDATN, sy-vline,
  WA_HRPAYUS_S_RPCPL1U0_ALV1-REMST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYUS_S_RPCPL1U0_ALV1 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_HRPAYUS_S_RPCPL1U0_ALV1 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_HRPAYUS_S_RPCPL1U0_ALV1 INTO WA_HRPAYUS_S_RPCPL1U0_ALV1.


*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 PIDEX, internal->external for field PERIDEXT
CALL FUNCTION 'CONVERSION_EXIT_PIDEX_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYUS_S_RPCPL1U0_ALV1-PERIDEXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYUS_S_RPCPL1U0_ALV1-PERIDEXT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYUS_S_RPCPL1U0_ALV1-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYUS_S_RPCPL1U0_ALV1-LIFNR.
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_HRPAYUS_S_RPCPL1U0_ALV1_STR, 
PERNR TYPE STRING,
PERIDEXT TYPE STRING,
NAME TYPE STRING,
PERID TYPE STRING,
GRNUM TYPE STRING,
GCASE TYPE STRING,
LIFNR TYPE STRING,
ORDCD TYPE STRING,
ORDTX TYPE STRING,
RDATN TYPE STRING,
REMST TYPE STRING,
REMTX TYPE STRING,
RECDA TYPE STRING,
RTYPE TYPE STRING,
RTYTX TYPE STRING,
RCAMT TYPE STRING,
RBALN TYPE STRING,
TTD TYPE STRING,
YTD TYPE STRING,
PAREA TYPE STRING,
PSARE TYPE STRING,
PGRUP TYPE STRING,
PSGRP TYPE STRING,
PAYTY TYPE STRING,
CHECT TYPE STRING,
VBLNR TYPE STRING,
DUEDT TYPE STRING,
TABIX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYUS_S_RPCPL1U0_ALV1_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_HRPAYUS_S_RPCPL1U0_ALV1_STR-PERNR sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-PERIDEXT sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-NAME sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-PERID sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-GRNUM sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-GCASE sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-LIFNR sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-ORDCD sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-ORDTX sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-RDATN sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-REMST sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-REMTX sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-RECDA sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-RTYPE sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-RTYTX sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-RCAMT sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-RBALN sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-TTD sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-YTD sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-PAREA sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-PSARE sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-PGRUP sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-PSGRP sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-PAYTY sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-CHECT sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-VBLNR sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-DUEDT sy-vline 
WA_HRPAYUS_S_RPCPL1U0_ALV1_STR-TABIX sy-vline      INTO ld_text SEPARATED BY SPACE.

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