ABAP Select data from SAP table KOKS into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP KOKS 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 KOKS. 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 KOKS 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_KOKS TYPE STANDARD TABLE OF KOKS,
      WA_KOKS TYPE KOKS,
      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: <KOKS> TYPE KOKS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KOKS
*  INTO TABLE @DATA(IT_KOKS2).
*--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_KOKS INDEX 1 INTO DATA(WA_KOKS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KOKS>-MANDT = 1.
<KOKS>-KOART = 1.
<KOKS>-BUKRS = 1.
<KOKS>-KONTO = 1.
<KOKS>-EMPFG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KOKS-SAART, sy-vline,
  WA_KOKS-ALTKZ, sy-vline,
  WA_KOKS-ALTKT, sy-vline,
  WA_KOKS-ANRED, sy-vline,
  WA_KOKS-NAME1, sy-vline,
  WA_KOKS-NAME2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KOKS 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_KOKS 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_KOKS INTO WA_KOKS.


*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 KONTO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KOKS-KONTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOKS-KONTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit AU152, internal->external for field KLIMG
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_KOKS-KLIMG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOKS-KLIMG.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AU152, internal->external for field KLIMK
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_KOKS-KLIMK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOKS-KLIMK.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field FDGRV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KOKS-FDGRV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOKS-FDGRV.
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_KOKS_STR, 
MANDT TYPE STRING,
KOART TYPE STRING,
BUKRS TYPE STRING,
KONTO TYPE STRING,
EMPFG TYPE STRING,
SAART TYPE STRING,
ALTKZ TYPE STRING,
ALTKT TYPE STRING,
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
LAND1 TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
PSTL2 TYPE STRING,
ORT02 TYPE STRING,
REGIO TYPE STRING,
COUNC TYPE STRING,
CITYC TYPE STRING,
XCPDK TYPE STRING,
XZEMP TYPE STRING,
BLNKZ TYPE STRING,
KTOKS TYPE STRING,
KTOKK TYPE STRING,
KTOKD TYPE STRING,
BANKN TYPE STRING,
BANKL TYPE STRING,
BANKS TYPE STRING,
BANKA TYPE STRING,
PSKTO TYPE STRING,
BKONT TYPE STRING,
BANKP TYPE STRING,
SWIFT TYPE STRING,
KNRZA TYPE STRING,
BRSCH TYPE STRING,
KONZS TYPE STRING,
KDNRE TYPE STRING,
TELF1 TYPE STRING,
TELX1 TYPE STRING,
TELFX TYPE STRING,
TELTX TYPE STRING,
DATLT TYPE STRING,
TELBX TYPE STRING,
SORTL TYPE STRING,
WAERS TYPE STRING,
SPRAS TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
KLIMG TYPE STRING,
BBBNR TYPE STRING,
BBSNR TYPE STRING,
BUBKZ TYPE STRING,
STCD1 TYPE STRING,
STCD2 TYPE STRING,
FISKN TYPE STRING,
STKZU TYPE STRING,
STKZA TYPE STRING,
ESRNR TYPE STRING,
AKONT TYPE STRING,
BEGRU TYPE STRING,
EIKTO TYPE STRING,
ERNAM TYPE STRING,
ZUAWA TYPE STRING,
ZWELS TYPE STRING,
ZAMIM TYPE STRING,
ZTERM TYPE STRING,
ZAHLS TYPE STRING,
MAHNS TYPE STRING,
KLIMK TYPE STRING,
VZSKZ TYPE STRING,
ZINDT TYPE STRING,
ZINRT TYPE STRING,
DATLZ TYPE STRING,
VBUND TYPE STRING,
BUSAB TYPE STRING,
KNRZE TYPE STRING,
PERRN TYPE STRING,
WAKON TYPE STRING,
MSCHL TYPE STRING,
WEBTR TYPE STRING,
REMIT TYPE STRING,
FDGRV TYPE STRING,
QSZNR TYPE STRING,
QSZDT TYPE STRING,
VRSNR TYPE STRING,
REPRF TYPE STRING,
DTAWS TYPE STRING,
DTAMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KOKS_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_KOKS_STR-MANDT sy-vline 
WA_KOKS_STR-KOART sy-vline 
WA_KOKS_STR-BUKRS sy-vline 
WA_KOKS_STR-KONTO sy-vline 
WA_KOKS_STR-EMPFG sy-vline 
WA_KOKS_STR-SAART sy-vline 
WA_KOKS_STR-ALTKZ sy-vline 
WA_KOKS_STR-ALTKT sy-vline 
WA_KOKS_STR-ANRED sy-vline 
WA_KOKS_STR-NAME1 sy-vline 
WA_KOKS_STR-NAME2 sy-vline 
WA_KOKS_STR-PSTLZ sy-vline 
WA_KOKS_STR-ORT01 sy-vline 
WA_KOKS_STR-LAND1 sy-vline 
WA_KOKS_STR-STRAS sy-vline 
WA_KOKS_STR-PFACH sy-vline 
WA_KOKS_STR-PSTL2 sy-vline 
WA_KOKS_STR-ORT02 sy-vline 
WA_KOKS_STR-REGIO sy-vline 
WA_KOKS_STR-COUNC sy-vline 
WA_KOKS_STR-CITYC sy-vline 
WA_KOKS_STR-XCPDK sy-vline 
WA_KOKS_STR-XZEMP sy-vline 
WA_KOKS_STR-BLNKZ sy-vline 
WA_KOKS_STR-KTOKS sy-vline 
WA_KOKS_STR-KTOKK sy-vline 
WA_KOKS_STR-KTOKD sy-vline 
WA_KOKS_STR-BANKN sy-vline 
WA_KOKS_STR-BANKL sy-vline 
WA_KOKS_STR-BANKS sy-vline 
WA_KOKS_STR-BANKA sy-vline 
WA_KOKS_STR-PSKTO sy-vline 
WA_KOKS_STR-BKONT sy-vline 
WA_KOKS_STR-BANKP sy-vline 
WA_KOKS_STR-SWIFT sy-vline 
WA_KOKS_STR-KNRZA sy-vline 
WA_KOKS_STR-BRSCH sy-vline 
WA_KOKS_STR-KONZS sy-vline 
WA_KOKS_STR-KDNRE sy-vline 
WA_KOKS_STR-TELF1 sy-vline 
WA_KOKS_STR-TELX1 sy-vline 
WA_KOKS_STR-TELFX sy-vline 
WA_KOKS_STR-TELTX sy-vline 
WA_KOKS_STR-DATLT sy-vline 
WA_KOKS_STR-TELBX sy-vline 
WA_KOKS_STR-SORTL sy-vline 
WA_KOKS_STR-WAERS sy-vline 
WA_KOKS_STR-SPRAS sy-vline 
WA_KOKS_STR-LIFNR sy-vline 
WA_KOKS_STR-KUNNR sy-vline 
WA_KOKS_STR-KLIMG sy-vline 
WA_KOKS_STR-BBBNR sy-vline 
WA_KOKS_STR-BBSNR sy-vline 
WA_KOKS_STR-BUBKZ sy-vline 
WA_KOKS_STR-STCD1 sy-vline 
WA_KOKS_STR-STCD2 sy-vline 
WA_KOKS_STR-FISKN sy-vline 
WA_KOKS_STR-STKZU sy-vline 
WA_KOKS_STR-STKZA sy-vline 
WA_KOKS_STR-ESRNR sy-vline 
WA_KOKS_STR-AKONT sy-vline 
WA_KOKS_STR-BEGRU sy-vline 
WA_KOKS_STR-EIKTO sy-vline 
WA_KOKS_STR-ERNAM sy-vline 
WA_KOKS_STR-ZUAWA sy-vline 
WA_KOKS_STR-ZWELS sy-vline 
WA_KOKS_STR-ZAMIM sy-vline 
WA_KOKS_STR-ZTERM sy-vline 
WA_KOKS_STR-ZAHLS sy-vline 
WA_KOKS_STR-MAHNS sy-vline 
WA_KOKS_STR-KLIMK sy-vline 
WA_KOKS_STR-VZSKZ sy-vline 
WA_KOKS_STR-ZINDT sy-vline 
WA_KOKS_STR-ZINRT sy-vline 
WA_KOKS_STR-DATLZ sy-vline 
WA_KOKS_STR-VBUND sy-vline 
WA_KOKS_STR-BUSAB sy-vline 
WA_KOKS_STR-KNRZE sy-vline 
WA_KOKS_STR-PERRN sy-vline 
WA_KOKS_STR-WAKON sy-vline 
WA_KOKS_STR-MSCHL sy-vline 
WA_KOKS_STR-WEBTR sy-vline 
WA_KOKS_STR-REMIT sy-vline 
WA_KOKS_STR-FDGRV sy-vline 
WA_KOKS_STR-QSZNR sy-vline 
WA_KOKS_STR-QSZDT sy-vline 
WA_KOKS_STR-VRSNR sy-vline 
WA_KOKS_STR-REPRF sy-vline 
WA_KOKS_STR-DTAWS sy-vline 
WA_KOKS_STR-DTAMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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