ABAP Select data from SAP table KKA0100 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP KKA0100 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 KKA0100. 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 KKA0100 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_KKA0100 TYPE STANDARD TABLE OF KKA0100,
      WA_KKA0100 TYPE KKA0100,
      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: <KKA0100> TYPE KKA0100.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_KKA0100.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM KKA0100
  INTO TABLE IT_KKA0100.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KKA0100
*  INTO TABLE @DATA(IT_KKA01002).
*--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_KKA0100 INDEX 1 INTO DATA(WA_KKA01002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_KKA0100 ASSIGNING <KKA0100>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KKA0100>-BIS_ABGR_M = 1.
<KKA0100>-BIS_ABGR_J = 1.
<KKA0100>-AUFNR = 1.
<KKA0100>-KOKRS = 1.
<KKA0100>-VERSN = 1.

ENDLOOP.

LOOP AT IT_KKA0100 INTO WA_KKA0100.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KKA0100-MATNR, sy-vline,
  WA_KKA0100-PROCNR, sy-vline,
  WA_KKA0100-PROCTXT, sy-vline,
  WA_KKA0100-VERID, sy-vline,
  WA_KKA0100-PWERK, sy-vline,
  WA_KKA0100-SAFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KKA0100 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_KKA0100 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_KKA0100 INTO WA_KKA0100.


*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 BIS_ABGR_J
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-BIS_ABGR_J
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-BIS_ABGR_J.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERSN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-VERSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-VERSN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-SAFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-SAFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PRJID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-PRJID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-PRJID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field KDU_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-KDU_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-KDU_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOART_TECH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KKA0100-KOART_TECH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKA0100-KOART_TECH.
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_KKA0100_STR, 
BIS_ABGR_M TYPE STRING,
BIS_ABGR_J TYPE STRING,
AUFNR TYPE STRING,
KOKRS TYPE STRING,
VERSN TYPE STRING,
MATNR TYPE STRING,
PROCNR TYPE STRING,
PROCTXT TYPE STRING,
VERID TYPE STRING,
PWERK TYPE STRING,
SAFNR TYPE STRING,
PRJID TYPE STRING,
POSID TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
KSTRG TYPE STRING,
KTRTEXT TYPE STRING,
MASCH_LOE TYPE STRING,
MAN_LOE TYPE STRING,
MANV_LOE TYPE STRING,
MASCH_DP_LOE TYPE STRING,
PROTOKOLL TYPE STRING,
NUR_MANUEL TYPE STRING,
KDU_GJAHR TYPE STRING,
KDU_MONAT TYPE STRING,
BATCH TYPE STRING,
TESTL TYPE STRING,
FEHLA TYPE STRING,
INFOP TYPE STRING,
PROTS TYPE STRING,
VERTX TYPE STRING,
IKOSA TYPE STRING,
IPAUF TYPE STRING,
IFAUF TYPE STRING,
MAXAN TYPE STRING,
EXCEP TYPE STRING,
WIP0A TYPE STRING,
CCCUR TYPE STRING,
2CURR TYPE STRING,
AMPEL TYPE STRING,
MSGMX TYPE STRING,
ARBVO TYPE STRING,
AVARI TYPE STRING,
VARTEXT TYPE STRING,
AINFO TYPE STRING,
XBKAT TYPE STRING,
PLAN_ABGR TYPE STRING,
VALUTYP_0 TYPE STRING,
VALUTYP_1 TYPE STRING,
VALUTYP_2 TYPE STRING,
KOART_TECH TYPE STRING,
VERW_VSN_A TYPE STRING,
VERW_VSN_B TYPE STRING,
VERW_VSN_C TYPE STRING,
EBBEW_Z TYPE STRING,
EBBEW_S TYPE STRING,
STATTEXT0 TYPE STRING,
STATTEXT1 TYPE STRING,
STATTEXT2 TYPE STRING,
STATLANG0 TYPE STRING,
BEWTEXT TYPE STRING,
GEWBSM TYPE STRING,
GEWBSC TYPE STRING,
GEWBSE TYPE STRING,
ABARTTXT TYPE STRING,
WKOK TYPE STRING,
WBUK TYPE STRING,
WIPEL_K TYPE STRING,
WIPEL_P TYPE STRING,
WIPEL_M TYPE STRING,
WIPEL_E TYPE STRING,
OBJLIST TYPE STRING,
KOKRW TYPE STRING,
INCOCOMB TYPE STRING,
INCACOMB TYPE STRING,
INCNCOMB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KKA0100_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_KKA0100_STR-BIS_ABGR_M sy-vline 
WA_KKA0100_STR-BIS_ABGR_J sy-vline 
WA_KKA0100_STR-AUFNR sy-vline 
WA_KKA0100_STR-KOKRS sy-vline 
WA_KKA0100_STR-VERSN sy-vline 
WA_KKA0100_STR-MATNR sy-vline 
WA_KKA0100_STR-PROCNR sy-vline 
WA_KKA0100_STR-PROCTXT sy-vline 
WA_KKA0100_STR-VERID sy-vline 
WA_KKA0100_STR-PWERK sy-vline 
WA_KKA0100_STR-SAFNR sy-vline 
WA_KKA0100_STR-PRJID sy-vline 
WA_KKA0100_STR-POSID sy-vline 
WA_KKA0100_STR-VBELN sy-vline 
WA_KKA0100_STR-POSNR sy-vline 
WA_KKA0100_STR-KSTRG sy-vline 
WA_KKA0100_STR-KTRTEXT sy-vline 
WA_KKA0100_STR-MASCH_LOE sy-vline 
WA_KKA0100_STR-MAN_LOE sy-vline 
WA_KKA0100_STR-MANV_LOE sy-vline 
WA_KKA0100_STR-MASCH_DP_LOE sy-vline 
WA_KKA0100_STR-PROTOKOLL sy-vline 
WA_KKA0100_STR-NUR_MANUEL sy-vline 
WA_KKA0100_STR-KDU_GJAHR sy-vline 
WA_KKA0100_STR-KDU_MONAT sy-vline 
WA_KKA0100_STR-BATCH sy-vline 
WA_KKA0100_STR-TESTL sy-vline 
WA_KKA0100_STR-FEHLA sy-vline 
WA_KKA0100_STR-INFOP sy-vline 
WA_KKA0100_STR-PROTS sy-vline 
WA_KKA0100_STR-VERTX sy-vline 
WA_KKA0100_STR-IKOSA sy-vline 
WA_KKA0100_STR-IPAUF sy-vline 
WA_KKA0100_STR-IFAUF sy-vline 
WA_KKA0100_STR-MAXAN sy-vline 
WA_KKA0100_STR-EXCEP sy-vline 
WA_KKA0100_STR-WIP0A sy-vline 
WA_KKA0100_STR-CCCUR sy-vline 
WA_KKA0100_STR-2CURR sy-vline 
WA_KKA0100_STR-AMPEL sy-vline 
WA_KKA0100_STR-MSGMX sy-vline 
WA_KKA0100_STR-ARBVO sy-vline 
WA_KKA0100_STR-AVARI sy-vline 
WA_KKA0100_STR-VARTEXT sy-vline 
WA_KKA0100_STR-AINFO sy-vline 
WA_KKA0100_STR-XBKAT sy-vline 
WA_KKA0100_STR-PLAN_ABGR sy-vline 
WA_KKA0100_STR-VALUTYP_0 sy-vline 
WA_KKA0100_STR-VALUTYP_1 sy-vline 
WA_KKA0100_STR-VALUTYP_2 sy-vline 
WA_KKA0100_STR-KOART_TECH sy-vline 
WA_KKA0100_STR-VERW_VSN_A sy-vline 
WA_KKA0100_STR-VERW_VSN_B sy-vline 
WA_KKA0100_STR-VERW_VSN_C sy-vline 
WA_KKA0100_STR-EBBEW_Z sy-vline 
WA_KKA0100_STR-EBBEW_S sy-vline 
WA_KKA0100_STR-STATTEXT0 sy-vline 
WA_KKA0100_STR-STATTEXT1 sy-vline 
WA_KKA0100_STR-STATTEXT2 sy-vline 
WA_KKA0100_STR-STATLANG0 sy-vline 
WA_KKA0100_STR-BEWTEXT sy-vline 
WA_KKA0100_STR-GEWBSM sy-vline 
WA_KKA0100_STR-GEWBSC sy-vline 
WA_KKA0100_STR-GEWBSE sy-vline 
WA_KKA0100_STR-ABARTTXT sy-vline 
WA_KKA0100_STR-WKOK sy-vline 
WA_KKA0100_STR-WBUK sy-vline 
WA_KKA0100_STR-WIPEL_K sy-vline 
WA_KKA0100_STR-WIPEL_P sy-vline 
WA_KKA0100_STR-WIPEL_M sy-vline 
WA_KKA0100_STR-WIPEL_E sy-vline 
WA_KKA0100_STR-OBJLIST sy-vline 
WA_KKA0100_STR-KOKRW sy-vline 
WA_KKA0100_STR-INCOCOMB sy-vline 
WA_KKA0100_STR-INCACOMB sy-vline 
WA_KKA0100_STR-INCNCOMB sy-vline      INTO ld_text SEPARATED BY SPACE.

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