ABAP Select data from SAP table HRPAYFR_S_PMEF9_PER_PERIOD 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_PMEF9_PER_PERIOD 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_PMEF9_PER_PERIOD. 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_PMEF9_PER_PERIOD 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_PMEF9_PER_PERIOD TYPE STANDARD TABLE OF HRPAYFR_S_PMEF9_PER_PERIOD,
      WA_HRPAYFR_S_PMEF9_PER_PERIOD TYPE HRPAYFR_S_PMEF9_PER_PERIOD,
      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_PMEF9_PER_PERIOD> TYPE HRPAYFR_S_PMEF9_PER_PERIOD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYFR_S_PMEF9_PER_PERIOD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYFR_S_PMEF9_PER_PERIOD
  INTO TABLE IT_HRPAYFR_S_PMEF9_PER_PERIOD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYFR_S_PMEF9_PER_PERIOD
*  INTO TABLE @DATA(IT_HRPAYFR_S_PMEF9_PER_PERIOD2).
*--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_PMEF9_PER_PERIOD INDEX 1 INTO DATA(WA_HRPAYFR_S_PMEF9_PER_PERIOD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYFR_S_PMEF9_PER_PERIOD ASSIGNING <HRPAYFR_S_PMEF9_PER_PERIOD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYFR_S_PMEF9_PER_PERIOD>-BEGDA = 1.
<HRPAYFR_S_PMEF9_PER_PERIOD>-ENDDA = 1.
<HRPAYFR_S_PMEF9_PER_PERIOD>-BUKRS = 1.
<HRPAYFR_S_PMEF9_PER_PERIOD>-WERKS = 1.
<HRPAYFR_S_PMEF9_PER_PERIOD>-BTRTL = 1.

ENDLOOP.

LOOP AT IT_HRPAYFR_S_PMEF9_PER_PERIOD INTO WA_HRPAYFR_S_PMEF9_PER_PERIOD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYFR_S_PMEF9_PER_PERIOD-PERSG, sy-vline,
  WA_HRPAYFR_S_PMEF9_PER_PERIOD-PERSK, sy-vline,
  WA_HRPAYFR_S_PMEF9_PER_PERIOD-MOLGA, sy-vline,
  WA_HRPAYFR_S_PMEF9_PER_PERIOD-MASSN, sy-vline,
  WA_HRPAYFR_S_PMEF9_PER_PERIOD-MASSG, sy-vline,
  WA_HRPAYFR_S_PMEF9_PER_PERIOD-STELL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYFR_S_PMEF9_PER_PERIOD 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_PMEF9_PER_PERIOD 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_PMEF9_PER_PERIOD INTO WA_HRPAYFR_S_PMEF9_PER_PERIOD.


*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_HRPAYFR_S_PMEF9_PER_PERIOD-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYFR_S_PMEF9_PER_PERIOD-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_HRPAYFR_S_PMEF9_PER_PERIOD_STR, 
BEGDA TYPE STRING,
ENDDA TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
MOLGA TYPE STRING,
MASSN TYPE STRING,
MASSG TYPE STRING,
STELL TYPE STRING,
ANSVH TYPE STRING,
ORGEH TYPE STRING,
PLANS TYPE STRING,
KOSTL TYPE STRING,
CTTYP TYPE STRING,
TRFAR TYPE STRING,
TRFGB TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
TEILK TYPE STRING,
BSGRD TYPE STRING,
TPART TYPE STRING,
REGSS TYPE STRING,
REGAC TYPE STRING,
REGRT TYPE STRING,
REGNO TYPE STRING,
SCHKZ TYPE STRING,
ZTERF TYPE STRING,
EMPCT TYPE STRING,
ARBST TYPE STRING,
WOSTD TYPE STRING,
MOSTD TYPE STRING,
WKWDY TYPE STRING,
PERNR TYPE STRING,
KZTIM TYPE STRING,
CPPSD TYPE STRING,
PSSTT TYPE STRING,
PSADM TYPE STRING,
ORGAN TYPE STRING,
CORPS TYPE STRING,
GRADE TYPE STRING,
DIVGV TYPE STRING,
COLPH TYPE STRING,
CTFTE TYPE STRING,
MSTBR TYPE STRING,
COUMQ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYFR_S_PMEF9_PER_PERIOD_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_PMEF9_PER_PERIOD_STR-BEGDA sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-ENDDA sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-BUKRS sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-WERKS sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-BTRTL sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-PERSG sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-PERSK sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-MOLGA sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-MASSN sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-MASSG sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-STELL sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-ANSVH sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-ORGEH sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-PLANS sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-KOSTL sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-CTTYP sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-TRFAR sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-TRFGB sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-TRFGR sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-TRFST sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-TEILK sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-BSGRD sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-TPART sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-REGSS sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-REGAC sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-REGRT sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-REGNO sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-SCHKZ sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-ZTERF sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-EMPCT sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-ARBST sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-WOSTD sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-MOSTD sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-WKWDY sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-PERNR sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-KZTIM sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-CPPSD sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-PSSTT sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-PSADM sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-ORGAN sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-CORPS sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-GRADE sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-DIVGV sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-COLPH sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-CTFTE sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-MSTBR sy-vline 
WA_HRPAYFR_S_PMEF9_PER_PERIOD_STR-COUMQ sy-vline      INTO ld_text SEPARATED BY SPACE.

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