ABAP Select data from SAP table HRPAYFR_S_PY_PAS_CVRX_ALV_56 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYFR_S_PY_PAS_CVRX_ALV_56 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 HRPAYFR_S_PY_PAS_CVRX_ALV_56. 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 HRPAYFR_S_PY_PAS_CVRX_ALV_56 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_HRPAYFR_S_PY_PAS_CVRX_ALV_56 TYPE STANDARD TABLE OF HRPAYFR_S_PY_PAS_CVRX_ALV_56,
      WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56 TYPE HRPAYFR_S_PY_PAS_CVRX_ALV_56,
      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: <HRPAYFR_S_PY_PAS_CVRX_ALV_56> TYPE HRPAYFR_S_PY_PAS_CVRX_ALV_56.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYFR_S_PY_PAS_CVRX_ALV_56.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYFR_S_PY_PAS_CVRX_ALV_56
  INTO TABLE IT_HRPAYFR_S_PY_PAS_CVRX_ALV_56.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYFR_S_PY_PAS_CVRX_ALV_56
*  INTO TABLE @DATA(IT_HRPAYFR_S_PY_PAS_CVRX_ALV_562).
*--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_HRPAYFR_S_PY_PAS_CVRX_ALV_56 INDEX 1 INTO DATA(WA_HRPAYFR_S_PY_PAS_CVRX_ALV_562).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYFR_S_PY_PAS_CVRX_ALV_56 ASSIGNING <HRPAYFR_S_PY_PAS_CVRX_ALV_56>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYFR_S_PY_PAS_CVRX_ALV_56>-PERNR = 1.
<HRPAYFR_S_PY_PAS_CVRX_ALV_56>-FPPER = 1.
<HRPAYFR_S_PY_PAS_CVRX_ALV_56>-FPBEG = 1.
<HRPAYFR_S_PY_PAS_CVRX_ALV_56>-FPEND = 1.
<HRPAYFR_S_PY_PAS_CVRX_ALV_56>-INPER = 1.

ENDLOOP.

LOOP AT IT_HRPAYFR_S_PY_PAS_CVRX_ALV_56 INTO WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56-IPEND, sy-vline,
  WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56-PASID, sy-vline,
  WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56-SPLT1, sy-vline,
  WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56-GRPY1, sy-vline,
  WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56-SPKEY, sy-vline,
  WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56-CATEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56 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_HRPAYFR_S_PY_PAS_CVRX_ALV_56 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_HRPAYFR_S_PY_PAS_CVRX_ALV_56 INTO WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56.


*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_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR, 
PERNR TYPE STRING,
FPPER TYPE STRING,
FPBEG TYPE STRING,
FPEND TYPE STRING,
INPER TYPE STRING,
IPEND TYPE STRING,
PASID TYPE STRING,
SPLT1 TYPE STRING,
GRPY1 TYPE STRING,
SPKEY TYPE STRING,
CATEG TYPE STRING,
RPMOI TYPE STRING,
RPTER TYPE STRING,
RPNET TYPE STRING,
RPANE TYPE STRING,
RPTAU TYPE STRING,
RPATA TYPE STRING,
RPMON TYPE STRING,
MPADE TYPE STRING,
RPADP TYPE STRING,
RPADT TYPE STRING,
DELTA TYPE STRING,
PAITD TYPE STRING,
RNFC TYPE STRING,
EXREF TYPE STRING,
BPAS TYPE STRING,
BREGU TYPE STRING,
BPADE TYPE STRING,
ETYPE TYPE STRING,
PATTP TYPE STRING,
RTYPE TYPE STRING,
RPNIR TYPE STRING,
RPABF TYPE STRING,
RPDAP TYPE STRING,
RPCRD TYPE STRING,
RPCCR TYPE STRING,
RPPNI TYPE STRING,
RPAFD TYPE STRING,
RPPAS TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_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_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-PERNR sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-FPPER sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-FPBEG sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-FPEND sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-INPER sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-IPEND sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-PASID sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-SPLT1 sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-GRPY1 sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-SPKEY sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-CATEG sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPMOI sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPTER sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPNET sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPANE sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPTAU sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPATA sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPMON sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-MPADE sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPADP sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPADT sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-DELTA sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-PAITD sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RNFC sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-EXREF sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-BPAS sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-BREGU sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-BPADE sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-ETYPE sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-PATTP sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RTYPE sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPNIR sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPABF sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPDAP sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPCRD sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPCCR sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPPNI sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPAFD sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-RPPAS sy-vline 
WA_HRPAYFR_S_PY_PAS_CVRX_ALV_56_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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