ABAP Select data from SAP table HRMS_BIW_PP2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRMS_BIW_PP2 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 HRMS_BIW_PP2. 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 HRMS_BIW_PP2 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_HRMS_BIW_PP2 TYPE STANDARD TABLE OF HRMS_BIW_PP2,
      WA_HRMS_BIW_PP2 TYPE HRMS_BIW_PP2,
      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: <HRMS_BIW_PP2> TYPE HRMS_BIW_PP2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRMS_BIW_PP2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRMS_BIW_PP2
  INTO TABLE IT_HRMS_BIW_PP2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRMS_BIW_PP2
*  INTO TABLE @DATA(IT_HRMS_BIW_PP22).
*--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_HRMS_BIW_PP2 INDEX 1 INTO DATA(WA_HRMS_BIW_PP22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRMS_BIW_PP2 ASSIGNING <HRMS_BIW_PP2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRMS_BIW_PP2>-DOCNUM = 1.
<HRMS_BIW_PP2>-DOCLIN = 1.
<HRMS_BIW_PP2>-TYPE = 1.
<HRMS_BIW_PP2>-BUKRS = 1.
<HRMS_BIW_PP2>-KTOPL = 1.

ENDLOOP.

LOOP AT IT_HRMS_BIW_PP2 INTO WA_HRMS_BIW_PP2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRMS_BIW_PP2-KOKRS, sy-vline,
  WA_HRMS_BIW_PP2-PERIV, sy-vline,
  WA_HRMS_BIW_PP2-FISCAL_YEAR, sy-vline,
  WA_HRMS_BIW_PP2-FISCAL_MONTH, sy-vline,
  WA_HRMS_BIW_PP2-BUDAT, sy-vline,
  WA_HRMS_BIW_PP2-HKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRMS_BIW_PP2 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_HRMS_BIW_PP2 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_HRMS_BIW_PP2 INTO WA_HRMS_BIW_PP2.


*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 GJAHR, internal->external for field FISCAL_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-FISCAL_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-FISCAL_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-FIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RCOMP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-RCOMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-RCOMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER_SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-PARTNER_SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-PARTNER_SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PART_PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-PART_PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-PART_PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER_GRANT_NB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRMS_BIW_PP2-PARTNER_GRANT_NB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRMS_BIW_PP2-PARTNER_GRANT_NB.
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_HRMS_BIW_PP2_STR, 
DOCNUM TYPE STRING,
DOCLIN TYPE STRING,
TYPE TYPE STRING,
BUKRS TYPE STRING,
KTOPL TYPE STRING,
KOKRS TYPE STRING,
PERIV TYPE STRING,
FISCAL_YEAR TYPE STRING,
FISCAL_MONTH TYPE STRING,
BUDAT TYPE STRING,
HKONT TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
GSBER TYPE STRING,
PERNR TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
KSTRG TYPE STRING,
POSNR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
LTLST TYPE STRING,
FIKRS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
WRBTR TYPE STRING,
WAERS TYPE STRING,
TRANSFERDATE TYPE STRING,
FIPEX TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
AWTYP_PRE TYPE STRING,
AWKEY_PRE TYPE STRING,
AWPOS_PRE TYPE STRING,
PRCTR TYPE STRING,
SEGMENT TYPE STRING,
RCOMP TYPE STRING,
PARTNER_BUS_AREA TYPE STRING,
PARTNER_SEGMENT TYPE STRING,
PART_PRCTR TYPE STRING,
PARTNER_FUND TYPE STRING,
PARTNER_GRANT_NB TYPE STRING,
BUDGET_PERIOD TYPE STRING,
P_BUDGET_PERIOD TYPE STRING,
ABPER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRMS_BIW_PP2_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_HRMS_BIW_PP2_STR-DOCNUM sy-vline 
WA_HRMS_BIW_PP2_STR-DOCLIN sy-vline 
WA_HRMS_BIW_PP2_STR-TYPE sy-vline 
WA_HRMS_BIW_PP2_STR-BUKRS sy-vline 
WA_HRMS_BIW_PP2_STR-KTOPL sy-vline 
WA_HRMS_BIW_PP2_STR-KOKRS sy-vline 
WA_HRMS_BIW_PP2_STR-PERIV sy-vline 
WA_HRMS_BIW_PP2_STR-FISCAL_YEAR sy-vline 
WA_HRMS_BIW_PP2_STR-FISCAL_MONTH sy-vline 
WA_HRMS_BIW_PP2_STR-BUDAT sy-vline 
WA_HRMS_BIW_PP2_STR-HKONT sy-vline 
WA_HRMS_BIW_PP2_STR-KUNNR sy-vline 
WA_HRMS_BIW_PP2_STR-LIFNR sy-vline 
WA_HRMS_BIW_PP2_STR-GSBER sy-vline 
WA_HRMS_BIW_PP2_STR-PERNR sy-vline 
WA_HRMS_BIW_PP2_STR-KOSTL sy-vline 
WA_HRMS_BIW_PP2_STR-AUFNR sy-vline 
WA_HRMS_BIW_PP2_STR-KSTRG sy-vline 
WA_HRMS_BIW_PP2_STR-POSNR sy-vline 
WA_HRMS_BIW_PP2_STR-NPLNR sy-vline 
WA_HRMS_BIW_PP2_STR-VORNR sy-vline 
WA_HRMS_BIW_PP2_STR-KDAUF sy-vline 
WA_HRMS_BIW_PP2_STR-KDPOS sy-vline 
WA_HRMS_BIW_PP2_STR-LTLST sy-vline 
WA_HRMS_BIW_PP2_STR-FIKRS sy-vline 
WA_HRMS_BIW_PP2_STR-FISTL sy-vline 
WA_HRMS_BIW_PP2_STR-GEBER sy-vline 
WA_HRMS_BIW_PP2_STR-MENGE sy-vline 
WA_HRMS_BIW_PP2_STR-MEINS sy-vline 
WA_HRMS_BIW_PP2_STR-WRBTR sy-vline 
WA_HRMS_BIW_PP2_STR-WAERS sy-vline 
WA_HRMS_BIW_PP2_STR-TRANSFERDATE sy-vline 
WA_HRMS_BIW_PP2_STR-FIPEX sy-vline 
WA_HRMS_BIW_PP2_STR-FKBER sy-vline 
WA_HRMS_BIW_PP2_STR-GRANT_NBR sy-vline 
WA_HRMS_BIW_PP2_STR-AWTYP_PRE sy-vline 
WA_HRMS_BIW_PP2_STR-AWKEY_PRE sy-vline 
WA_HRMS_BIW_PP2_STR-AWPOS_PRE sy-vline 
WA_HRMS_BIW_PP2_STR-PRCTR sy-vline 
WA_HRMS_BIW_PP2_STR-SEGMENT sy-vline 
WA_HRMS_BIW_PP2_STR-RCOMP sy-vline 
WA_HRMS_BIW_PP2_STR-PARTNER_BUS_AREA sy-vline 
WA_HRMS_BIW_PP2_STR-PARTNER_SEGMENT sy-vline 
WA_HRMS_BIW_PP2_STR-PART_PRCTR sy-vline 
WA_HRMS_BIW_PP2_STR-PARTNER_FUND sy-vline 
WA_HRMS_BIW_PP2_STR-PARTNER_GRANT_NB sy-vline 
WA_HRMS_BIW_PP2_STR-BUDGET_PERIOD sy-vline 
WA_HRMS_BIW_PP2_STR-P_BUDGET_PERIOD sy-vline 
WA_HRMS_BIW_PP2_STR-ABPER sy-vline      INTO ld_text SEPARATED BY SPACE.

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