ABAP Select data from SAP table HRPAYUS_S_RPCPRRU0_CE_ALV 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_RPCPRRU0_CE_ALV 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_RPCPRRU0_CE_ALV. 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_RPCPRRU0_CE_ALV 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_RPCPRRU0_CE_ALV TYPE STANDARD TABLE OF HRPAYUS_S_RPCPRRU0_CE_ALV,
      WA_HRPAYUS_S_RPCPRRU0_CE_ALV TYPE HRPAYUS_S_RPCPRRU0_CE_ALV,
      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_RPCPRRU0_CE_ALV> TYPE HRPAYUS_S_RPCPRRU0_CE_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYUS_S_RPCPRRU0_CE_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYUS_S_RPCPRRU0_CE_ALV
  INTO TABLE IT_HRPAYUS_S_RPCPRRU0_CE_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYUS_S_RPCPRRU0_CE_ALV
*  INTO TABLE @DATA(IT_HRPAYUS_S_RPCPRRU0_CE_ALV2).
*--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_RPCPRRU0_CE_ALV INDEX 1 INTO DATA(WA_HRPAYUS_S_RPCPRRU0_CE_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYUS_S_RPCPRRU0_CE_ALV ASSIGNING <HRPAYUS_S_RPCPRRU0_CE_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYUS_S_RPCPRRU0_CE_ALV>-TXCMP = 1.
<HRPAYUS_S_RPCPRRU0_CE_ALV>-TAXAU = 1.
<HRPAYUS_S_RPCPRRU0_CE_ALV>-PERSN = 1.
<HRPAYUS_S_RPCPRRU0_CE_ALV>-PERNR = 1.
<HRPAYUS_S_RPCPRRU0_CE_ALV>-BTYPE = 1.

ENDLOOP.

LOOP AT IT_HRPAYUS_S_RPCPRRU0_CE_ALV INTO WA_HRPAYUS_S_RPCPRRU0_CE_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYUS_S_RPCPRRU0_CE_ALV-BTYPE1, sy-vline,
  WA_HRPAYUS_S_RPCPRRU0_CE_ALV-BOX, sy-vline,
  WA_HRPAYUS_S_RPCPRRU0_CE_ALV-TEXT, sy-vline,
  WA_HRPAYUS_S_RPCPRRU0_CE_ALV-PRD_STR, sy-vline,
  WA_HRPAYUS_S_RPCPRRU0_CE_ALV-PAYDT_STR, sy-vline,
  WA_HRPAYUS_S_RPCPRRU0_CE_ALV-BETRG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYUS_S_RPCPRRU0_CE_ALV 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_RPCPRRU0_CE_ALV 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_RPCPRRU0_CE_ALV INTO WA_HRPAYUS_S_RPCPRRU0_CE_ALV.


*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 PERSN
CALL FUNCTION 'CONVERSION_EXIT_PIDEX_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYUS_S_RPCPRRU0_CE_ALV-PERSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYUS_S_RPCPRRU0_CE_ALV-PERSN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYUS_S_RPCPRRU0_CE_ALV-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYUS_S_RPCPRRU0_CE_ALV-KOSTL.
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_RPCPRRU0_CE_ALV_STR, 
TXCMP TYPE STRING,
TAXAU TYPE STRING,
PERSN TYPE STRING,
PERNR TYPE STRING,
BTYPE TYPE STRING,
BTYPE1 TYPE STRING,
BOX TYPE STRING,
TEXT TYPE STRING,
PRD_STR TYPE STRING,
PAYDT_STR TYPE STRING,
BETRG TYPE STRING,
ANZHL TYPE STRING,
BETRG_M TYPE STRING,
ANZHL_M TYPE STRING,
BETRG_Q TYPE STRING,
ANZHL_Q TYPE STRING,
BETRG_Y TYPE STRING,
ANZHL_Y TYPE STRING,
WAERS TYPE STRING,
KOSTL TYPE STRING,
BUKRS TYPE STRING,
ABKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
STAT2 TYPE STRING,
BETRG_PPADJ TYPE STRING,
REMIT_TAXAU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYUS_S_RPCPRRU0_CE_ALV_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_RPCPRRU0_CE_ALV_STR-TXCMP sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-TAXAU sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-PERSN sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-PERNR sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BTYPE sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BTYPE1 sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BOX sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-TEXT sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-PRD_STR sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-PAYDT_STR sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BETRG sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-ANZHL sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BETRG_M sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-ANZHL_M sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BETRG_Q sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-ANZHL_Q sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BETRG_Y sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-ANZHL_Y sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-WAERS sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-KOSTL sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BUKRS sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-ABKRS sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-WERKS sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BTRTL sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-PERSG sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-PERSK sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-STAT2 sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-BETRG_PPADJ sy-vline 
WA_HRPAYUS_S_RPCPRRU0_CE_ALV_STR-REMIT_TAXAU sy-vline      INTO ld_text SEPARATED BY SPACE.

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