ABAP Select data from SAP table HRPAYAT_PAYROLL_SIMU_PERNR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYAT_PAYROLL_SIMU_PERNR 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_PAYROLL_SIMU_PERNR. 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_PAYROLL_SIMU_PERNR 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_PAYROLL_SIMU_PERNR TYPE STANDARD TABLE OF HRPAYAT_PAYROLL_SIMU_PERNR,
      WA_HRPAYAT_PAYROLL_SIMU_PERNR TYPE HRPAYAT_PAYROLL_SIMU_PERNR,
      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_PAYROLL_SIMU_PERNR> TYPE HRPAYAT_PAYROLL_SIMU_PERNR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYAT_PAYROLL_SIMU_PERNR
*  INTO TABLE @DATA(IT_HRPAYAT_PAYROLL_SIMU_PERNR2).
*--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_PAYROLL_SIMU_PERNR INDEX 1 INTO DATA(WA_HRPAYAT_PAYROLL_SIMU_PERNR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYAT_PAYROLL_SIMU_PERNR>-PERNR = 1.
<HRPAYAT_PAYROLL_SIMU_PERNR>-MASSN = 1.
<HRPAYAT_PAYROLL_SIMU_PERNR>-MASSG = 1.
<HRPAYAT_PAYROLL_SIMU_PERNR>-STAT1 = 1.
<HRPAYAT_PAYROLL_SIMU_PERNR>-STAT2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYAT_PAYROLL_SIMU_PERNR-STAT3, sy-vline,
  WA_HRPAYAT_PAYROLL_SIMU_PERNR-BUKRS, sy-vline,
  WA_HRPAYAT_PAYROLL_SIMU_PERNR-WERKS, sy-vline,
  WA_HRPAYAT_PAYROLL_SIMU_PERNR-PERSG, sy-vline,
  WA_HRPAYAT_PAYROLL_SIMU_PERNR-PERSK, sy-vline,
  WA_HRPAYAT_PAYROLL_SIMU_PERNR-VDSK1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYAT_PAYROLL_SIMU_PERNR 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_PAYROLL_SIMU_PERNR 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_PAYROLL_SIMU_PERNR INTO WA_HRPAYAT_PAYROLL_SIMU_PERNR.


*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 ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYAT_PAYROLL_SIMU_PERNR-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYAT_PAYROLL_SIMU_PERNR-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYAT_PAYROLL_SIMU_PERNR-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYAT_PAYROLL_SIMU_PERNR-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SGMNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYAT_PAYROLL_SIMU_PERNR-SGMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYAT_PAYROLL_SIMU_PERNR-SGMNT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYAT_PAYROLL_SIMU_PERNR-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYAT_PAYROLL_SIMU_PERNR-PABRJ.
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_HRPAYAT_PAYROLL_SIMU_PERNR_STR, 
PERNR TYPE STRING,
MASSN TYPE STRING,
MASSG TYPE STRING,
STAT1 TYPE STRING,
STAT2 TYPE STRING,
STAT3 TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
VDSK1 TYPE STRING,
GSBER TYPE STRING,
BTRTL TYPE STRING,
JUPER TYPE STRING,
ABKRS TYPE STRING,
ANSVH TYPE STRING,
KOSTL TYPE STRING,
ORGEH TYPE STRING,
PLANS TYPE STRING,
STELL TYPE STRING,
MSTBR TYPE STRING,
SACHA TYPE STRING,
SACHP TYPE STRING,
SACHZ TYPE STRING,
SNAME TYPE STRING,
ENAME TYPE STRING,
OTYPE TYPE STRING,
SBMOD TYPE STRING,
KOKRS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
SGMNT TYPE STRING,
BUDGET_PD TYPE STRING,
MASNG TYPE STRING,
STATU TYPE STRING,
XBWBK TYPE STRING,
KOKTL TYPE STRING,
XPGPK TYPE STRING,
SASBA TYPE STRING,
SASBP TYPE STRING,
SASBZ TYPE STRING,
DAYPS TYPE STRING,
EXPID TYPE STRING,
PAYTY TYPE STRING,
MOLGA TYPE STRING,
REPNAME TYPE STRING,
SELVARI TYPE STRING,
PABRP TYPE STRING,
PABRJ TYPE STRING,
COSTPLANNING TYPE STRING,
IPREL_REF TYPE STRING,
PAYACC_REF TYPE STRING,
RETCD TYPE STRING,
MSGTY TYPE STRING,
MSGTXT TYPE STRING,
APPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYAT_PAYROLL_SIMU_PERNR_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_PAYROLL_SIMU_PERNR_STR-PERNR sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-MASSN sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-MASSG sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-STAT1 sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-STAT2 sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-STAT3 sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-BUKRS sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-WERKS sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-PERSG sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-PERSK sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-VDSK1 sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-GSBER sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-BTRTL sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-JUPER sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-ABKRS sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-ANSVH sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-KOSTL sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-ORGEH sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-PLANS sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-STELL sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-MSTBR sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SACHA sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SACHP sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SACHZ sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SNAME sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-ENAME sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-OTYPE sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SBMOD sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-KOKRS sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-FISTL sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-GEBER sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-FKBER sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-GRANT_NBR sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SGMNT sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-BUDGET_PD sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-MASNG sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-STATU sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-XBWBK sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-KOKTL sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-XPGPK sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SASBA sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SASBP sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SASBZ sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-DAYPS sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-EXPID sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-PAYTY sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-MOLGA sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-REPNAME sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-SELVARI sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-PABRP sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-PABRJ sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-COSTPLANNING sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-IPREL_REF sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-PAYACC_REF sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-RETCD sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-MSGTY sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-MSGTXT sy-vline 
WA_HRPAYAT_PAYROLL_SIMU_PERNR_STR-APPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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