ABAP Select data from SAP table KOGA 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 KOGA 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 KOGA. 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 KOGA 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_KOGA TYPE STANDARD TABLE OF KOGA,
      WA_KOGA TYPE KOGA,
      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: <KOGA> TYPE KOGA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KOGA
*  INTO TABLE @DATA(IT_KOGA2).
*--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_KOGA INDEX 1 INTO DATA(WA_KOGA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KOGA>-MANDT = 1.
<KOGA>-GATYP = 1.
<KOGA>-VKORG = 1.
<KOGA>-VTWEG = 1.
<KOGA>-SPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KOGA-KUNNR, sy-vline,
  WA_KOGA-KDGRP, sy-vline,
  WA_KOGA-KONDA, sy-vline,
  WA_KOGA-KONDM, sy-vline,
  WA_KOGA-MATNR, sy-vline,
  WA_KOGA-CHARG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KOGA 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_KOGA 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_KOGA INTO WA_KOGA.


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

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

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

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

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KOGA-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOGA-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KOGA-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOGA-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EAN11, internal->external for field EAN11
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_KOGA-EAN11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOGA-EAN11.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN3, internal->external for field STOFF
CALL FUNCTION 'CONVERSION_EXIT_MATN3_OUTPUT'
  EXPORTING
    input =                      WA_KOGA-STOFF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOGA-STOFF.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_KOGA-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOGA-STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_KOGA-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOGA-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field IDNRK
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_KOGA-IDNRK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOGA-IDNRK.
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_KOGA_STR, 
MANDT TYPE STRING,
GATYP TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
KUNNR TYPE STRING,
KDGRP TYPE STRING,
KONDA TYPE STRING,
KONDM TYPE STRING,
MATNR TYPE STRING,
CHARG TYPE STRING,
PRODH TYPE STRING,
ALAND TYPE STRING,
LLAND TYPE STRING,
REGIO TYPE STRING,
LIFNR TYPE STRING,
MATKL TYPE STRING,
EKORG TYPE STRING,
WERKS TYPE STRING,
WAGRP TYPE STRING,
GSBER TYPE STRING,
AUART TYPE STRING,
AUTYP TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
BUKRS TYPE STRING,
MTART TYPE STRING,
VARCOND TYPE STRING,
VGART TYPE STRING,
BLART TYPE STRING,
BLAUM TYPE STRING,
BWART TYPE STRING,
SOBKZ TYPE STRING,
SHKZG TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
INSMK TYPE STRING,
VBTYP TYPE STRING,
TRVOG TYPE STRING,
VBKLA TYPE STRING,
VBKLT TYPE STRING,
KVGR1 TYPE STRING,
KVGR2 TYPE STRING,
KVGR3 TYPE STRING,
KVGR4 TYPE STRING,
KVGR5 TYPE STRING,
PSTYV TYPE STRING,
POSAR TYPE STRING,
ATPKZ TYPE STRING,
KTGRM TYPE STRING,
NUMTP TYPE STRING,
EAN11 TYPE STRING,
EXPKZ TYPE STRING,
VKBUR TYPE STRING,
MVGR1 TYPE STRING,
MVGR2 TYPE STRING,
MVGR3 TYPE STRING,
MVGR4 TYPE STRING,
MVGR5 TYPE STRING,
BSTYP TYPE STRING,
BSART TYPE STRING,
PSTYP TYPE STRING,
GWLDT TYPE STRING,
GWLEN TYPE STRING,
BRSCH TYPE STRING,
KONZS TYPE STRING,
KTOKD TYPE STRING,
KUKLA TYPE STRING,
DEAR1 TYPE STRING,
DEAR2 TYPE STRING,
DEAR3 TYPE STRING,
DEAR4 TYPE STRING,
DEAR5 TYPE STRING,
BRAN1 TYPE STRING,
BRAN2 TYPE STRING,
BRAN3 TYPE STRING,
BRAN4 TYPE STRING,
BRAN5 TYPE STRING,
KATR1 TYPE STRING,
KATR2 TYPE STRING,
KATR3 TYPE STRING,
KATR4 TYPE STRING,
KATR5 TYPE STRING,
KATR6 TYPE STRING,
KATR7 TYPE STRING,
KATR8 TYPE STRING,
KATR9 TYPE STRING,
KATR10 TYPE STRING,
STKZN TYPE STRING,
STOFF TYPE STRING,
KTOKK TYPE STRING,
SERNR TYPE STRING,
EQUNR TYPE STRING,
EQTYP TYPE STRING,
EQART TYPE STRING,
SUBMT TYPE STRING,
HEQUI TYPE STRING,
STLAN TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
POSNR TYPE STRING,
STLKN TYPE STRING,
IDNRK TYPE STRING,
POSTP TYPE STRING,
SANFE TYPE STRING,
SANIN TYPE STRING,
SANKO TYPE STRING,
SANVS TYPE STRING,
STKKZ TYPE STRING,
OBJTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KOGA_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_KOGA_STR-MANDT sy-vline 
WA_KOGA_STR-GATYP sy-vline 
WA_KOGA_STR-VKORG sy-vline 
WA_KOGA_STR-VTWEG sy-vline 
WA_KOGA_STR-SPART sy-vline 
WA_KOGA_STR-KUNNR sy-vline 
WA_KOGA_STR-KDGRP sy-vline 
WA_KOGA_STR-KONDA sy-vline 
WA_KOGA_STR-KONDM sy-vline 
WA_KOGA_STR-MATNR sy-vline 
WA_KOGA_STR-CHARG sy-vline 
WA_KOGA_STR-PRODH sy-vline 
WA_KOGA_STR-ALAND sy-vline 
WA_KOGA_STR-LLAND sy-vline 
WA_KOGA_STR-REGIO sy-vline 
WA_KOGA_STR-LIFNR sy-vline 
WA_KOGA_STR-MATKL sy-vline 
WA_KOGA_STR-EKORG sy-vline 
WA_KOGA_STR-WERKS sy-vline 
WA_KOGA_STR-WAGRP sy-vline 
WA_KOGA_STR-GSBER sy-vline 
WA_KOGA_STR-AUART sy-vline 
WA_KOGA_STR-AUTYP sy-vline 
WA_KOGA_STR-KOKRS sy-vline 
WA_KOGA_STR-KOSTL sy-vline 
WA_KOGA_STR-BUKRS sy-vline 
WA_KOGA_STR-MTART sy-vline 
WA_KOGA_STR-VARCOND sy-vline 
WA_KOGA_STR-VGART sy-vline 
WA_KOGA_STR-BLART sy-vline 
WA_KOGA_STR-BLAUM sy-vline 
WA_KOGA_STR-BWART sy-vline 
WA_KOGA_STR-SOBKZ sy-vline 
WA_KOGA_STR-SHKZG sy-vline 
WA_KOGA_STR-ANLN1 sy-vline 
WA_KOGA_STR-ANLN2 sy-vline 
WA_KOGA_STR-INSMK sy-vline 
WA_KOGA_STR-VBTYP sy-vline 
WA_KOGA_STR-TRVOG sy-vline 
WA_KOGA_STR-VBKLA sy-vline 
WA_KOGA_STR-VBKLT sy-vline 
WA_KOGA_STR-KVGR1 sy-vline 
WA_KOGA_STR-KVGR2 sy-vline 
WA_KOGA_STR-KVGR3 sy-vline 
WA_KOGA_STR-KVGR4 sy-vline 
WA_KOGA_STR-KVGR5 sy-vline 
WA_KOGA_STR-PSTYV sy-vline 
WA_KOGA_STR-POSAR sy-vline 
WA_KOGA_STR-ATPKZ sy-vline 
WA_KOGA_STR-KTGRM sy-vline 
WA_KOGA_STR-NUMTP sy-vline 
WA_KOGA_STR-EAN11 sy-vline 
WA_KOGA_STR-EXPKZ sy-vline 
WA_KOGA_STR-VKBUR sy-vline 
WA_KOGA_STR-MVGR1 sy-vline 
WA_KOGA_STR-MVGR2 sy-vline 
WA_KOGA_STR-MVGR3 sy-vline 
WA_KOGA_STR-MVGR4 sy-vline 
WA_KOGA_STR-MVGR5 sy-vline 
WA_KOGA_STR-BSTYP sy-vline 
WA_KOGA_STR-BSART sy-vline 
WA_KOGA_STR-PSTYP sy-vline 
WA_KOGA_STR-GWLDT sy-vline 
WA_KOGA_STR-GWLEN sy-vline 
WA_KOGA_STR-BRSCH sy-vline 
WA_KOGA_STR-KONZS sy-vline 
WA_KOGA_STR-KTOKD sy-vline 
WA_KOGA_STR-KUKLA sy-vline 
WA_KOGA_STR-DEAR1 sy-vline 
WA_KOGA_STR-DEAR2 sy-vline 
WA_KOGA_STR-DEAR3 sy-vline 
WA_KOGA_STR-DEAR4 sy-vline 
WA_KOGA_STR-DEAR5 sy-vline 
WA_KOGA_STR-BRAN1 sy-vline 
WA_KOGA_STR-BRAN2 sy-vline 
WA_KOGA_STR-BRAN3 sy-vline 
WA_KOGA_STR-BRAN4 sy-vline 
WA_KOGA_STR-BRAN5 sy-vline 
WA_KOGA_STR-KATR1 sy-vline 
WA_KOGA_STR-KATR2 sy-vline 
WA_KOGA_STR-KATR3 sy-vline 
WA_KOGA_STR-KATR4 sy-vline 
WA_KOGA_STR-KATR5 sy-vline 
WA_KOGA_STR-KATR6 sy-vline 
WA_KOGA_STR-KATR7 sy-vline 
WA_KOGA_STR-KATR8 sy-vline 
WA_KOGA_STR-KATR9 sy-vline 
WA_KOGA_STR-KATR10 sy-vline 
WA_KOGA_STR-STKZN sy-vline 
WA_KOGA_STR-STOFF sy-vline 
WA_KOGA_STR-KTOKK sy-vline 
WA_KOGA_STR-SERNR sy-vline 
WA_KOGA_STR-EQUNR sy-vline 
WA_KOGA_STR-EQTYP sy-vline 
WA_KOGA_STR-EQART sy-vline 
WA_KOGA_STR-SUBMT sy-vline 
WA_KOGA_STR-HEQUI sy-vline 
WA_KOGA_STR-STLAN sy-vline 
WA_KOGA_STR-STLTY sy-vline 
WA_KOGA_STR-STLNR sy-vline 
WA_KOGA_STR-POSNR sy-vline 
WA_KOGA_STR-STLKN sy-vline 
WA_KOGA_STR-IDNRK sy-vline 
WA_KOGA_STR-POSTP sy-vline 
WA_KOGA_STR-SANFE sy-vline 
WA_KOGA_STR-SANIN sy-vline 
WA_KOGA_STR-SANKO sy-vline 
WA_KOGA_STR-SANVS sy-vline 
WA_KOGA_STR-STKKZ sy-vline 
WA_KOGA_STR-OBJTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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