ABAP Select data from SAP table PFI_HFICTAX0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFI_HFICTAX0 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 PFI_HFICTAX0. 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 PFI_HFICTAX0 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_PFI_HFICTAX0 TYPE STANDARD TABLE OF PFI_HFICTAX0,
      WA_PFI_HFICTAX0 TYPE PFI_HFICTAX0,
      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: <PFI_HFICTAX0> TYPE PFI_HFICTAX0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PFI_HFICTAX0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PFI_HFICTAX0
  INTO TABLE IT_PFI_HFICTAX0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFI_HFICTAX0
*  INTO TABLE @DATA(IT_PFI_HFICTAX02).
*--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_PFI_HFICTAX0 INDEX 1 INTO DATA(WA_PFI_HFICTAX02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PFI_HFICTAX0 ASSIGNING <PFI_HFICTAX0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFI_HFICTAX0>-TXRNO = 1.
<PFI_HFICTAX0>-BUKRS = 1.
<PFI_HFICTAX0>-WERKS = 1.
<PFI_HFICTAX0>-BTRTL = 1.
<PFI_HFICTAX0>-PERSG = 1.

ENDLOOP.

LOOP AT IT_PFI_HFICTAX0 INTO WA_PFI_HFICTAX0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFI_HFICTAX0-PERSK, sy-vline,
  WA_PFI_HFICTAX0-KOSTL, sy-vline,
  WA_PFI_HFICTAX0-ABKRS, sy-vline,
  WA_PFI_HFICTAX0-GSBER, sy-vline,
  WA_PFI_HFICTAX0-PERNR, sy-vline,
  WA_PFI_HFICTAX0-PERNR_TXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFI_HFICTAX0 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_PFI_HFICTAX0 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_PFI_HFICTAX0 INTO WA_PFI_HFICTAX0.


*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_PFI_HFICTAX0-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFI_HFICTAX0-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_PFI_HFICTAX0_STR, 
TXRNO TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
KOSTL TYPE STRING,
ABKRS TYPE STRING,
GSBER TYPE STRING,
PERNR TYPE STRING,
PERNR_TXT TYPE STRING,
PERID TYPE STRING,
BUKRS_TXT TYPE STRING,
WERKS_TXT TYPE STRING,
BTRTL_TXT TYPE STRING,
PERSG_TXT TYPE STRING,
PERSK_TXT TYPE STRING,
KOSTL_TXT TYPE STRING,
ABKRS_TXT TYPE STRING,
GSBER_TXT TYPE STRING,
COUNTER TYPE STRING,
PAYDT TYPE STRING,
BET01 TYPE STRING,
BET02 TYPE STRING,
BET03 TYPE STRING,
BET04 TYPE STRING,
BET05 TYPE STRING,
BET06 TYPE STRING,
BET07 TYPE STRING,
BET08 TYPE STRING,
BET09 TYPE STRING,
BET10 TYPE STRING,
BET11 TYPE STRING,
BET12 TYPE STRING,
BET13 TYPE STRING,
BET14 TYPE STRING,
BET15 TYPE STRING,
BET16 TYPE STRING,
BET17 TYPE STRING,
BET18 TYPE STRING,
BET19 TYPE STRING,
BET20 TYPE STRING,
BET21 TYPE STRING,
BET22 TYPE STRING,
BET23 TYPE STRING,
BET24 TYPE STRING,
BET25 TYPE STRING,
BET26 TYPE STRING,
BET27 TYPE STRING,
BET28 TYPE STRING,
BET29 TYPE STRING,
BET30 TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFI_HFICTAX0_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_PFI_HFICTAX0_STR-TXRNO sy-vline 
WA_PFI_HFICTAX0_STR-BUKRS sy-vline 
WA_PFI_HFICTAX0_STR-WERKS sy-vline 
WA_PFI_HFICTAX0_STR-BTRTL sy-vline 
WA_PFI_HFICTAX0_STR-PERSG sy-vline 
WA_PFI_HFICTAX0_STR-PERSK sy-vline 
WA_PFI_HFICTAX0_STR-KOSTL sy-vline 
WA_PFI_HFICTAX0_STR-ABKRS sy-vline 
WA_PFI_HFICTAX0_STR-GSBER sy-vline 
WA_PFI_HFICTAX0_STR-PERNR sy-vline 
WA_PFI_HFICTAX0_STR-PERNR_TXT sy-vline 
WA_PFI_HFICTAX0_STR-PERID sy-vline 
WA_PFI_HFICTAX0_STR-BUKRS_TXT sy-vline 
WA_PFI_HFICTAX0_STR-WERKS_TXT sy-vline 
WA_PFI_HFICTAX0_STR-BTRTL_TXT sy-vline 
WA_PFI_HFICTAX0_STR-PERSG_TXT sy-vline 
WA_PFI_HFICTAX0_STR-PERSK_TXT sy-vline 
WA_PFI_HFICTAX0_STR-KOSTL_TXT sy-vline 
WA_PFI_HFICTAX0_STR-ABKRS_TXT sy-vline 
WA_PFI_HFICTAX0_STR-GSBER_TXT sy-vline 
WA_PFI_HFICTAX0_STR-COUNTER sy-vline 
WA_PFI_HFICTAX0_STR-PAYDT sy-vline 
WA_PFI_HFICTAX0_STR-BET01 sy-vline 
WA_PFI_HFICTAX0_STR-BET02 sy-vline 
WA_PFI_HFICTAX0_STR-BET03 sy-vline 
WA_PFI_HFICTAX0_STR-BET04 sy-vline 
WA_PFI_HFICTAX0_STR-BET05 sy-vline 
WA_PFI_HFICTAX0_STR-BET06 sy-vline 
WA_PFI_HFICTAX0_STR-BET07 sy-vline 
WA_PFI_HFICTAX0_STR-BET08 sy-vline 
WA_PFI_HFICTAX0_STR-BET09 sy-vline 
WA_PFI_HFICTAX0_STR-BET10 sy-vline 
WA_PFI_HFICTAX0_STR-BET11 sy-vline 
WA_PFI_HFICTAX0_STR-BET12 sy-vline 
WA_PFI_HFICTAX0_STR-BET13 sy-vline 
WA_PFI_HFICTAX0_STR-BET14 sy-vline 
WA_PFI_HFICTAX0_STR-BET15 sy-vline 
WA_PFI_HFICTAX0_STR-BET16 sy-vline 
WA_PFI_HFICTAX0_STR-BET17 sy-vline 
WA_PFI_HFICTAX0_STR-BET18 sy-vline 
WA_PFI_HFICTAX0_STR-BET19 sy-vline 
WA_PFI_HFICTAX0_STR-BET20 sy-vline 
WA_PFI_HFICTAX0_STR-BET21 sy-vline 
WA_PFI_HFICTAX0_STR-BET22 sy-vline 
WA_PFI_HFICTAX0_STR-BET23 sy-vline 
WA_PFI_HFICTAX0_STR-BET24 sy-vline 
WA_PFI_HFICTAX0_STR-BET25 sy-vline 
WA_PFI_HFICTAX0_STR-BET26 sy-vline 
WA_PFI_HFICTAX0_STR-BET27 sy-vline 
WA_PFI_HFICTAX0_STR-BET28 sy-vline 
WA_PFI_HFICTAX0_STR-BET29 sy-vline 
WA_PFI_HFICTAX0_STR-BET30 sy-vline 
WA_PFI_HFICTAX0_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.