ABAP Select data from SAP table HCMFAB_S_PERS_UI0021_27 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HCMFAB_S_PERS_UI0021_27 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 HCMFAB_S_PERS_UI0021_27. 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 HCMFAB_S_PERS_UI0021_27 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_HCMFAB_S_PERS_UI0021_27 TYPE STANDARD TABLE OF HCMFAB_S_PERS_UI0021_27,
      WA_HCMFAB_S_PERS_UI0021_27 TYPE HCMFAB_S_PERS_UI0021_27,
      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: <HCMFAB_S_PERS_UI0021_27> TYPE HCMFAB_S_PERS_UI0021_27.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMFAB_S_PERS_UI0021_27.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMFAB_S_PERS_UI0021_27
  INTO TABLE IT_HCMFAB_S_PERS_UI0021_27.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMFAB_S_PERS_UI0021_27
*  INTO TABLE @DATA(IT_HCMFAB_S_PERS_UI0021_272).
*--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_HCMFAB_S_PERS_UI0021_27 INDEX 1 INTO DATA(WA_HCMFAB_S_PERS_UI0021_272).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMFAB_S_PERS_UI0021_27 ASSIGNING <HCMFAB_S_PERS_UI0021_27>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMFAB_S_PERS_UI0021_27>-OBJECT_KEY = 1.
<HCMFAB_S_PERS_UI0021_27>-PERNR = 1.
<HCMFAB_S_PERS_UI0021_27>-AEDTM = 1.
<HCMFAB_S_PERS_UI0021_27>-UNAME = 1.
<HCMFAB_S_PERS_UI0021_27>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMFAB_S_PERS_UI0021_27 INTO WA_HCMFAB_S_PERS_UI0021_27.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMFAB_S_PERS_UI0021_27-SPRTX, sy-vline,
  WA_HCMFAB_S_PERS_UI0021_27-ITBLD, sy-vline,
  WA_HCMFAB_S_PERS_UI0021_27-ITXEX, sy-vline,
  WA_HCMFAB_S_PERS_UI0021_27-BEGDA, sy-vline,
  WA_HCMFAB_S_PERS_UI0021_27-ENDDA, sy-vline,
  WA_HCMFAB_S_PERS_UI0021_27-FAMSA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMFAB_S_PERS_UI0021_27 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_HCMFAB_S_PERS_UI0021_27 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_HCMFAB_S_PERS_UI0021_27 INTO WA_HCMFAB_S_PERS_UI0021_27.


*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 PDATE, internal->external for field FGBDT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_HCMFAB_S_PERS_UI0021_27-FGBDT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMFAB_S_PERS_UI0021_27-FGBDT.
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_HCMFAB_S_PERS_UI0021_27_STR, 
OBJECT_KEY TYPE STRING,
PERNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
SPRPS TYPE STRING,
SPRTX TYPE STRING,
ITBLD TYPE STRING,
ITXEX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
FAMSA TYPE STRING,
STEXT TYPE STRING,
OBJPS TYPE STRING,
FANAM TYPE STRING,
FAVOR TYPE STRING,
FGBNA TYPE STRING,
FINIT TYPE STRING,
FANAT TYPE STRING,
FANAT_TXT TYPE STRING,
FANA2 TYPE STRING,
FANA2_TXT TYPE STRING,
FANA3 TYPE STRING,
FANA3_TXT TYPE STRING,
FGBDT TYPE STRING,
FGBOT TYPE STRING,
GBDEP TYPE STRING,
GBDEP_TXT TYPE STRING,
FGBLD TYPE STRING,
FGBLD_TXT TYPE STRING,
FAMST TYPE STRING,
FTEXT TYPE STRING,
SEPDT TYPE STRING,
FASAR TYPE STRING,
STEX2 TYPE STRING,
FASIN TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
ERBNR TYPE STRING,
OCCUP TYPE STRING,
OCTXT TYPE STRING,
EAMES TYPE STRING,
PERCT TYPE STRING,
ERNAM TYPE STRING,
FASEX TYPE STRING,
FASEXT TYPE STRING,
EGAGA TYPE STRING,
ANTXT TYPE STRING,
MOLGA TYPE STRING,
ICTY1 TYPE STRING,
ICTX1 TYPE STRING,
ICNM1 TYPE STRING,
AUTH1 TYPE STRING,
FPDT1 TYPE STRING,
EXPD1 TYPE STRING,
IDCT1 TYPE STRING,
IDCT1_TXT TYPE STRING,
ISCT1 TYPE STRING,
ISCT1_TXT TYPE STRING,
ICTY2 TYPE STRING,
ICTX2 TYPE STRING,
ICNM2 TYPE STRING,
AUTH2 TYPE STRING,
FPDT2 TYPE STRING,
EXPD2 TYPE STRING,
IDCT2 TYPE STRING,
IDCT2_TXT TYPE STRING,
ISCT2 TYPE STRING,
ISCT2_TXT TYPE STRING,
NAMT1 TYPE STRING,
NMTX1 TYPE STRING,
VORN1 TYPE STRING,
NACH1 TYPE STRING,
NAMT2 TYPE STRING,
NMTX2 TYPE STRING,
VORN2 TYPE STRING,
NACH2 TYPE STRING,
NAME2 TYPE STRING,
STRAS TYPE STRING,
LOCAT TYPE STRING,
ORT01 TYPE STRING,
COUNC TYPE STRING,
COUNC_TXT TYPE STRING,
STATE TYPE STRING,
BEZEI02 TYPE STRING,
STATE_TXT TYPE STRING,
LAND1 TYPE STRING,
LAND1_TXT TYPE STRING,
COM01 TYPE STRING,
COMTYTXT01 TYPE STRING,
NUM01 TYPE STRING,
COM02 TYPE STRING,
COMTYTXT02 TYPE STRING,
NUM02 TYPE STRING,
COMTYTXT03 TYPE STRING,
COM03 TYPE STRING,
NUM03 TYPE STRING,
COM04 TYPE STRING,
COMTYTXT04 TYPE STRING,
NUM04 TYPE STRING,
COM05 TYPE STRING,
COMTYTXT05 TYPE STRING,
NUM05 TYPE STRING,
COM06 TYPE STRING,
COMTYTXT06 TYPE STRING,
NUM06 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMFAB_S_PERS_UI0021_27_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_HCMFAB_S_PERS_UI0021_27_STR-OBJECT_KEY sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-PERNR sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-AEDTM sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-UNAME sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-SPRPS sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-SPRTX sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ITBLD sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ITXEX sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-BEGDA sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ENDDA sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FAMSA sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-STEXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-OBJPS sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FANAM sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FAVOR sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FGBNA sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FINIT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FANAT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FANAT_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FANA2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FANA2_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FANA3 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FANA3_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FGBDT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FGBOT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-GBDEP sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-GBDEP_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FGBLD sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FGBLD_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FAMST sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FTEXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-SEPDT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FASAR sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-STEX2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FASIN sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-BETRG sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-WAERS sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ERBNR sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-OCCUP sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-OCTXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-EAMES sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-PERCT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ERNAM sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FASEX sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FASEXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-EGAGA sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ANTXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-MOLGA sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ICTY1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ICTX1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ICNM1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-AUTH1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FPDT1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-EXPD1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-IDCT1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-IDCT1_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ISCT1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ISCT1_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ICTY2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ICTX2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ICNM2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-AUTH2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-FPDT2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-EXPD2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-IDCT2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-IDCT2_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ISCT2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ISCT2_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NAMT1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NMTX1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-VORN1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NACH1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NAMT2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NMTX2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-VORN2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NACH2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NAME2 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-STRAS sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-LOCAT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-ORT01 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COUNC sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COUNC_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-STATE sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-BEZEI02 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-STATE_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-LAND1 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-LAND1_TXT sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COM01 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COMTYTXT01 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NUM01 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COM02 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COMTYTXT02 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NUM02 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COMTYTXT03 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COM03 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NUM03 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COM04 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COMTYTXT04 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NUM04 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COM05 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COMTYTXT05 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NUM05 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COM06 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-COMTYTXT06 sy-vline 
WA_HCMFAB_S_PERS_UI0021_27_STR-NUM06 sy-vline      INTO ld_text SEPARATED BY SPACE.

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