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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ATL/KPRCPTKP
*  INTO TABLE @DATA(IT_/ATL/KPRCPTKP2).
*--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/KPRCPTKP INDEX 1 INTO DATA(WA_/ATL/KPRCPTKP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ATL/KPRCPTKP>-MANDT = 1.
</ATL/KPRCPTKP>-ZBUKRS = 1.
</ATL/KPRCPTKP>-ZYEAR = 1.
</ATL/KPRCPTKP>-XBLNR = 1.
</ATL/KPRCPTKP>-ZYEAR1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ATL/KPRCPTKP-ZRCPNO, sy-vline,
  WA_/ATL/KPRCPTKP-ZPRINT, sy-vline,
  WA_/ATL/KPRCPTKP-ZDATE, sy-vline,
  WA_/ATL/KPRCPTKP-ZUSER, sy-vline,
  WA_/ATL/KPRCPTKP-ZUONR, sy-vline,
  WA_/ATL/KPRCPTKP-NAME1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ATL/KPRCPTKP 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/KPRCPTKP 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/KPRCPTKP INTO WA_/ATL/KPRCPTKP.


*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 ZYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPRCPTKP-ZYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPRCPTKP-ZYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ZYEAR1
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPRCPTKP-ZYEAR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPRCPTKP-ZYEAR1.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KPRCPTKP-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KPRCPTKP-HKONT.
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/KPRCPTKP_STR, 
MANDT TYPE STRING,
ZBUKRS TYPE STRING,
ZYEAR TYPE STRING,
XBLNR TYPE STRING,
ZYEAR1 TYPE STRING,
ZRCPNO TYPE STRING,
ZPRINT TYPE STRING,
ZDATE TYPE STRING,
ZUSER TYPE STRING,
ZUONR TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
LAND1 TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
PSTL2 TYPE STRING,
PSKTO TYPE STRING,
BANKN TYPE STRING,
BANKL TYPE STRING,
BANKS TYPE STRING,
STCD1 TYPE STRING,
STCD2 TYPE STRING,
STKZU TYPE STRING,
STKZA TYPE STRING,
REGIO TYPE STRING,
BKONT TYPE STRING,
DTAWS TYPE STRING,
DTAMS TYPE STRING,
XCPDK TYPE STRING,
EMPFG TYPE STRING,
STCEG TYPE STRING,
SPRAS TYPE STRING,
KOART TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
HKONT TYPE STRING,
ZTERMNAM TYPE STRING,
ZTERMNO TYPE STRING,
ZPROGVERS TYPE STRING,
ZRETFLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ATL/KPRCPTKP_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/KPRCPTKP_STR-MANDT sy-vline 
WA_/ATL/KPRCPTKP_STR-ZBUKRS sy-vline 
WA_/ATL/KPRCPTKP_STR-ZYEAR sy-vline 
WA_/ATL/KPRCPTKP_STR-XBLNR sy-vline 
WA_/ATL/KPRCPTKP_STR-ZYEAR1 sy-vline 
WA_/ATL/KPRCPTKP_STR-ZRCPNO sy-vline 
WA_/ATL/KPRCPTKP_STR-ZPRINT sy-vline 
WA_/ATL/KPRCPTKP_STR-ZDATE sy-vline 
WA_/ATL/KPRCPTKP_STR-ZUSER sy-vline 
WA_/ATL/KPRCPTKP_STR-ZUONR sy-vline 
WA_/ATL/KPRCPTKP_STR-NAME1 sy-vline 
WA_/ATL/KPRCPTKP_STR-NAME2 sy-vline 
WA_/ATL/KPRCPTKP_STR-NAME3 sy-vline 
WA_/ATL/KPRCPTKP_STR-NAME4 sy-vline 
WA_/ATL/KPRCPTKP_STR-PSTLZ sy-vline 
WA_/ATL/KPRCPTKP_STR-ORT01 sy-vline 
WA_/ATL/KPRCPTKP_STR-LAND1 sy-vline 
WA_/ATL/KPRCPTKP_STR-STRAS sy-vline 
WA_/ATL/KPRCPTKP_STR-PFACH sy-vline 
WA_/ATL/KPRCPTKP_STR-PSTL2 sy-vline 
WA_/ATL/KPRCPTKP_STR-PSKTO sy-vline 
WA_/ATL/KPRCPTKP_STR-BANKN sy-vline 
WA_/ATL/KPRCPTKP_STR-BANKL sy-vline 
WA_/ATL/KPRCPTKP_STR-BANKS sy-vline 
WA_/ATL/KPRCPTKP_STR-STCD1 sy-vline 
WA_/ATL/KPRCPTKP_STR-STCD2 sy-vline 
WA_/ATL/KPRCPTKP_STR-STKZU sy-vline 
WA_/ATL/KPRCPTKP_STR-STKZA sy-vline 
WA_/ATL/KPRCPTKP_STR-REGIO sy-vline 
WA_/ATL/KPRCPTKP_STR-BKONT sy-vline 
WA_/ATL/KPRCPTKP_STR-DTAWS sy-vline 
WA_/ATL/KPRCPTKP_STR-DTAMS sy-vline 
WA_/ATL/KPRCPTKP_STR-XCPDK sy-vline 
WA_/ATL/KPRCPTKP_STR-EMPFG sy-vline 
WA_/ATL/KPRCPTKP_STR-STCEG sy-vline 
WA_/ATL/KPRCPTKP_STR-SPRAS sy-vline 
WA_/ATL/KPRCPTKP_STR-KOART sy-vline 
WA_/ATL/KPRCPTKP_STR-KUNNR sy-vline 
WA_/ATL/KPRCPTKP_STR-LIFNR sy-vline 
WA_/ATL/KPRCPTKP_STR-HKONT sy-vline 
WA_/ATL/KPRCPTKP_STR-ZTERMNAM sy-vline 
WA_/ATL/KPRCPTKP_STR-ZTERMNO sy-vline 
WA_/ATL/KPRCPTKP_STR-ZPROGVERS sy-vline 
WA_/ATL/KPRCPTKP_STR-ZRETFLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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