ABAP Select data from SAP table /ATL/KPFI00004 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ATL/KPFI00004 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 /ATL/KPFI00004. 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 /ATL/KPFI00004 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_/ATL/KPFI00004 TYPE STANDARD TABLE OF /ATL/KPFI00004,
      WA_/ATL/KPFI00004 TYPE /ATL/KPFI00004,
      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: </ATL/KPFI00004> TYPE /ATL/KPFI00004.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/ATL/KPFI00004.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ATL/KPFI00004
  INTO TABLE IT_/ATL/KPFI00004.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ATL/KPFI00004
*  INTO TABLE @DATA(IT_/ATL/KPFI000042).
*--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_/ATL/KPFI00004 INDEX 1 INTO DATA(WA_/ATL/KPFI000042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ATL/KPFI00004 ASSIGNING </ATL/KPFI00004>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ATL/KPFI00004>-MANDT = 1.
</ATL/KPFI00004>-ZCRDNUM = 1.
</ATL/KPFI00004>-ZCDCRCODE = 1.
</ATL/KPFI00004>-ZBLDAT = 1.
</ATL/KPFI00004>-ZCOUPON = 1.

ENDLOOP.

LOOP AT IT_/ATL/KPFI00004 INTO WA_/ATL/KPFI00004.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ATL/KPFI00004-ZCOUNT, sy-vline,
  WA_/ATL/KPFI00004-BUKRS, sy-vline,
  WA_/ATL/KPFI00004-BELNR, sy-vline,
  WA_/ATL/KPFI00004-GJAHR, sy-vline,
  WA_/ATL/KPFI00004-BUZEI, sy-vline,
  WA_/ATL/KPFI00004-KUNNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ATL/KPFI00004 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_/ATL/KPFI00004 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_/ATL/KPFI00004 INTO WA_/ATL/KPFI00004.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ZKUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZKUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZKUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ZBELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZBELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZBELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ZGJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZGJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZGJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZFIRSTPM
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZFIRSTPM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZFIRSTPM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZRESTPM
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZRESTPM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZRESTPM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-BELNR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-BELNR2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR2
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-GJAHR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-GJAHR2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZFIRSTPM1
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZFIRSTPM1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZFIRSTPM1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZRESTPM1
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPFI00004-ZRESTPM1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPFI00004-ZRESTPM1.
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_/ATL/KPFI00004_STR, 
MANDT TYPE STRING,
ZCRDNUM TYPE STRING,
ZCDCRCODE TYPE STRING,
ZBLDAT TYPE STRING,
ZCOUPON TYPE STRING,
ZCOUNT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
HKONT TYPE STRING,
ZKUNNR TYPE STRING,
ZBUKRS TYPE STRING,
ZBELNR TYPE STRING,
ZGJAHR TYPE STRING,
ZBUZEI TYPE STRING,
ZAMOUNT TYPE STRING,
ZFIRSTPM TYPE STRING,
ZRESTPM TYPE STRING,
ZVALDAT TYPE STRING,
ZCRDPAY TYPE STRING,
ZCRDVDT TYPE STRING,
ZCRDATE TYPE STRING,
ZCREDIND TYPE STRING,
BUKRS2 TYPE STRING,
BELNR2 TYPE STRING,
GJAHR2 TYPE STRING,
BUZEI2 TYPE STRING,
ZBLDAT2 TYPE STRING,
ZCRDNAM TYPE STRING,
ZCRCDID TYPE STRING,
ZCRDTYPE TYPE STRING,
ZAKNNO TYPE STRING,
ZAKNRES TYPE STRING,
ZAKNBY TYPE STRING,
ZDOTYPE TYPE STRING,
ZCRDTYP TYPE STRING,
ZCRCDID1 TYPE STRING,
ZCRDTYPE1 TYPE STRING,
ZAKNNO1 TYPE STRING,
ZAKNRES1 TYPE STRING,
ZAKNBY1 TYPE STRING,
ZDOTYPE1 TYPE STRING,
ZCRDTYP1 TYPE STRING,
ZYMSGNO TYPE STRING,
ZYMSGNO1 TYPE STRING,
ZFIRSTPM1 TYPE STRING,
ZRESTPM1 TYPE STRING,
IDNUM_9 TYPE STRING,
CVVCVC TYPE STRING,
CRDNUML4 TYPE STRING,
CVVCVCOK TYPE STRING,
TURISTFL TYPE STRING,
TURISTVISA TYPE STRING,
STARUSAGE TYPE STRING,
CCBRAND TYPE STRING,
CLEARID TYPE STRING,
IDNUM_9ST TYPE STRING,
CVVCVCST TYPE STRING,
IDNUM_9ST1 TYPE STRING,
CVVCVCST1 TYPE STRING,
IDNUM_91 TYPE STRING,
CVVCVC1 TYPE STRING,
CRDNUML41 TYPE STRING,
CVVCVCOK1 TYPE STRING,
TURISTFL1 TYPE STRING,
TURISTVISA1 TYPE STRING,
STARUSAGE1 TYPE STRING,
CCBRAND1 TYPE STRING,
CLEARID1 TYPE STRING,
UMSKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ATL/KPFI00004_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_/ATL/KPFI00004_STR-MANDT sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDNUM sy-vline 
WA_/ATL/KPFI00004_STR-ZCDCRCODE sy-vline 
WA_/ATL/KPFI00004_STR-ZBLDAT sy-vline 
WA_/ATL/KPFI00004_STR-ZCOUPON sy-vline 
WA_/ATL/KPFI00004_STR-ZCOUNT sy-vline 
WA_/ATL/KPFI00004_STR-BUKRS sy-vline 
WA_/ATL/KPFI00004_STR-BELNR sy-vline 
WA_/ATL/KPFI00004_STR-GJAHR sy-vline 
WA_/ATL/KPFI00004_STR-BUZEI sy-vline 
WA_/ATL/KPFI00004_STR-KUNNR sy-vline 
WA_/ATL/KPFI00004_STR-LIFNR sy-vline 
WA_/ATL/KPFI00004_STR-HKONT sy-vline 
WA_/ATL/KPFI00004_STR-ZKUNNR sy-vline 
WA_/ATL/KPFI00004_STR-ZBUKRS sy-vline 
WA_/ATL/KPFI00004_STR-ZBELNR sy-vline 
WA_/ATL/KPFI00004_STR-ZGJAHR sy-vline 
WA_/ATL/KPFI00004_STR-ZBUZEI sy-vline 
WA_/ATL/KPFI00004_STR-ZAMOUNT sy-vline 
WA_/ATL/KPFI00004_STR-ZFIRSTPM sy-vline 
WA_/ATL/KPFI00004_STR-ZRESTPM sy-vline 
WA_/ATL/KPFI00004_STR-ZVALDAT sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDPAY sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDVDT sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDATE sy-vline 
WA_/ATL/KPFI00004_STR-ZCREDIND sy-vline 
WA_/ATL/KPFI00004_STR-BUKRS2 sy-vline 
WA_/ATL/KPFI00004_STR-BELNR2 sy-vline 
WA_/ATL/KPFI00004_STR-GJAHR2 sy-vline 
WA_/ATL/KPFI00004_STR-BUZEI2 sy-vline 
WA_/ATL/KPFI00004_STR-ZBLDAT2 sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDNAM sy-vline 
WA_/ATL/KPFI00004_STR-ZCRCDID sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDTYPE sy-vline 
WA_/ATL/KPFI00004_STR-ZAKNNO sy-vline 
WA_/ATL/KPFI00004_STR-ZAKNRES sy-vline 
WA_/ATL/KPFI00004_STR-ZAKNBY sy-vline 
WA_/ATL/KPFI00004_STR-ZDOTYPE sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDTYP sy-vline 
WA_/ATL/KPFI00004_STR-ZCRCDID1 sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDTYPE1 sy-vline 
WA_/ATL/KPFI00004_STR-ZAKNNO1 sy-vline 
WA_/ATL/KPFI00004_STR-ZAKNRES1 sy-vline 
WA_/ATL/KPFI00004_STR-ZAKNBY1 sy-vline 
WA_/ATL/KPFI00004_STR-ZDOTYPE1 sy-vline 
WA_/ATL/KPFI00004_STR-ZCRDTYP1 sy-vline 
WA_/ATL/KPFI00004_STR-ZYMSGNO sy-vline 
WA_/ATL/KPFI00004_STR-ZYMSGNO1 sy-vline 
WA_/ATL/KPFI00004_STR-ZFIRSTPM1 sy-vline 
WA_/ATL/KPFI00004_STR-ZRESTPM1 sy-vline 
WA_/ATL/KPFI00004_STR-IDNUM_9 sy-vline 
WA_/ATL/KPFI00004_STR-CVVCVC sy-vline 
WA_/ATL/KPFI00004_STR-CRDNUML4 sy-vline 
WA_/ATL/KPFI00004_STR-CVVCVCOK sy-vline 
WA_/ATL/KPFI00004_STR-TURISTFL sy-vline 
WA_/ATL/KPFI00004_STR-TURISTVISA sy-vline 
WA_/ATL/KPFI00004_STR-STARUSAGE sy-vline 
WA_/ATL/KPFI00004_STR-CCBRAND sy-vline 
WA_/ATL/KPFI00004_STR-CLEARID sy-vline 
WA_/ATL/KPFI00004_STR-IDNUM_9ST sy-vline 
WA_/ATL/KPFI00004_STR-CVVCVCST sy-vline 
WA_/ATL/KPFI00004_STR-IDNUM_9ST1 sy-vline 
WA_/ATL/KPFI00004_STR-CVVCVCST1 sy-vline 
WA_/ATL/KPFI00004_STR-IDNUM_91 sy-vline 
WA_/ATL/KPFI00004_STR-CVVCVC1 sy-vline 
WA_/ATL/KPFI00004_STR-CRDNUML41 sy-vline 
WA_/ATL/KPFI00004_STR-CVVCVCOK1 sy-vline 
WA_/ATL/KPFI00004_STR-TURISTFL1 sy-vline 
WA_/ATL/KPFI00004_STR-TURISTVISA1 sy-vline 
WA_/ATL/KPFI00004_STR-STARUSAGE1 sy-vline 
WA_/ATL/KPFI00004_STR-CCBRAND1 sy-vline 
WA_/ATL/KPFI00004_STR-CLEARID1 sy-vline 
WA_/ATL/KPFI00004_STR-UMSKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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