ABAP Select data from SAP table DTFITX_4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DTFITX_4 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 DTFITX_4. 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 DTFITX_4 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_DTFITX_4 TYPE STANDARD TABLE OF DTFITX_4,
      WA_DTFITX_4 TYPE DTFITX_4,
      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: <DTFITX_4> TYPE DTFITX_4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DTFITX_4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DTFITX_4
  INTO TABLE IT_DTFITX_4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DTFITX_4
*  INTO TABLE @DATA(IT_DTFITX_42).
*--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_DTFITX_4 INDEX 1 INTO DATA(WA_DTFITX_42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DTFITX_4 ASSIGNING <DTFITX_4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DTFITX_4>-BUKRS = 1.
<DTFITX_4>-UMKRS = 1.
<DTFITX_4>-FISCPER = 1.
<DTFITX_4>-FISCVAR = 1.
<DTFITX_4>-BELNR = 1.

ENDLOOP.

LOOP AT IT_DTFITX_4 INTO WA_DTFITX_4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DTFITX_4-BUZEI, sy-vline,
  WA_DTFITX_4-KTOPL, sy-vline,
  WA_DTFITX_4-BLART, sy-vline,
  WA_DTFITX_4-BLDAT, sy-vline,
  WA_DTFITX_4-BUDAT, sy-vline,
  WA_DTFITX_4-CPUDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DTFITX_4 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_DTFITX_4 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_DTFITX_4 INTO WA_DTFITX_4.


*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 PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-FISCPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field PSATZ
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-PSATZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-PSATZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-HWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-HWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-FWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-FWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-HWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-HWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-TKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-TKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field H2BAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-H2BAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-H2BAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field H3BAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-H3BAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-H3BAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field H2STE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-H2STE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-H2STE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field H3STE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-H3STE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-H3STE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field LWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-LWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-LWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field LWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_DTFITX_4-LWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFITX_4-LWSTE.
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_DTFITX_4_STR, 
BUKRS TYPE STRING,
UMKRS TYPE STRING,
FISCPER TYPE STRING,
FISCVAR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
KTOPL TYPE STRING,
BLART TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
CPUDT TYPE STRING,
XBLNR TYPE STRING,
WAERS TYPE STRING,
MLDWAER TYPE STRING,
VATTAXGROUP TYPE STRING,
PSATZ TYPE STRING,
KONWA TYPE STRING,
STMELDETYP TYPE STRING,
HWBAS TYPE STRING,
FWBAS TYPE STRING,
HWSTE TYPE STRING,
FWSTE TYPE STRING,
MARK_NAF TYPE STRING,
TKONT TYPE STRING,
LOHNIND TYPE STRING,
STCEG TYPE STRING,
XEGDR TYPE STRING,
EGRKZ TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
LSTML TYPE STRING,
BUPLA TYPE STRING,
EGBLD TYPE STRING,
EGLLD TYPE STRING,
VATDATE TYPE STRING,
H2BAS TYPE STRING,
H3BAS TYPE STRING,
H2STE TYPE STRING,
H3STE TYPE STRING,
HWAE2 TYPE STRING,
HWAE3 TYPE STRING,
KSCHL TYPE STRING,
TXGRP TYPE STRING,
STGRP TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
GJAHR TYPE STRING,
HKONT TYPE STRING,
KBETR TYPE STRING,
KTOSL TYPE STRING,
LWBAS TYPE STRING,
LWSTE TYPE STRING,
MANDT TYPE STRING,
MONAT TYPE STRING,
MWSKZ TYPE STRING,
SHKZG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DTFITX_4_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_DTFITX_4_STR-BUKRS sy-vline 
WA_DTFITX_4_STR-UMKRS sy-vline 
WA_DTFITX_4_STR-FISCPER sy-vline 
WA_DTFITX_4_STR-FISCVAR sy-vline 
WA_DTFITX_4_STR-BELNR sy-vline 
WA_DTFITX_4_STR-BUZEI sy-vline 
WA_DTFITX_4_STR-KTOPL sy-vline 
WA_DTFITX_4_STR-BLART sy-vline 
WA_DTFITX_4_STR-BLDAT sy-vline 
WA_DTFITX_4_STR-BUDAT sy-vline 
WA_DTFITX_4_STR-CPUDT sy-vline 
WA_DTFITX_4_STR-XBLNR sy-vline 
WA_DTFITX_4_STR-WAERS sy-vline 
WA_DTFITX_4_STR-MLDWAER sy-vline 
WA_DTFITX_4_STR-VATTAXGROUP sy-vline 
WA_DTFITX_4_STR-PSATZ sy-vline 
WA_DTFITX_4_STR-KONWA sy-vline 
WA_DTFITX_4_STR-STMELDETYP sy-vline 
WA_DTFITX_4_STR-HWBAS sy-vline 
WA_DTFITX_4_STR-FWBAS sy-vline 
WA_DTFITX_4_STR-HWSTE sy-vline 
WA_DTFITX_4_STR-FWSTE sy-vline 
WA_DTFITX_4_STR-MARK_NAF sy-vline 
WA_DTFITX_4_STR-TKONT sy-vline 
WA_DTFITX_4_STR-LOHNIND sy-vline 
WA_DTFITX_4_STR-STCEG sy-vline 
WA_DTFITX_4_STR-XEGDR sy-vline 
WA_DTFITX_4_STR-EGRKZ sy-vline 
WA_DTFITX_4_STR-KUNNR sy-vline 
WA_DTFITX_4_STR-LIFNR sy-vline 
WA_DTFITX_4_STR-LSTML sy-vline 
WA_DTFITX_4_STR-BUPLA sy-vline 
WA_DTFITX_4_STR-EGBLD sy-vline 
WA_DTFITX_4_STR-EGLLD sy-vline 
WA_DTFITX_4_STR-VATDATE sy-vline 
WA_DTFITX_4_STR-H2BAS sy-vline 
WA_DTFITX_4_STR-H3BAS sy-vline 
WA_DTFITX_4_STR-H2STE sy-vline 
WA_DTFITX_4_STR-H3STE sy-vline 
WA_DTFITX_4_STR-HWAE2 sy-vline 
WA_DTFITX_4_STR-HWAE3 sy-vline 
WA_DTFITX_4_STR-KSCHL sy-vline 
WA_DTFITX_4_STR-TXGRP sy-vline 
WA_DTFITX_4_STR-STGRP sy-vline 
WA_DTFITX_4_STR-AWTYP sy-vline 
WA_DTFITX_4_STR-AWKEY sy-vline 
WA_DTFITX_4_STR-GJAHR sy-vline 
WA_DTFITX_4_STR-HKONT sy-vline 
WA_DTFITX_4_STR-KBETR sy-vline 
WA_DTFITX_4_STR-KTOSL sy-vline 
WA_DTFITX_4_STR-LWBAS sy-vline 
WA_DTFITX_4_STR-LWSTE sy-vline 
WA_DTFITX_4_STR-MANDT sy-vline 
WA_DTFITX_4_STR-MONAT sy-vline 
WA_DTFITX_4_STR-MWSKZ sy-vline 
WA_DTFITX_4_STR-SHKZG sy-vline      INTO ld_text SEPARATED BY SPACE.

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