ABAP Select data from SAP table KOND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KOND
*  INTO TABLE @DATA(IT_KOND2).
*--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_KOND INDEX 1 INTO DATA(WA_KOND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KOND>-MANDT = 1.
<KOND>-KNUMD = 1.
<KOND>-ZUSKO = 1.
<KOND>-KSCHL = 1.
<KOND>-ERNAM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KOND-ERDAT, sy-vline,
  WA_KOND-KNUMB, sy-vline,
  WA_KOND-KNUMK, sy-vline,
  WA_KOND-KNUMT, sy-vline,
  WA_KOND-KNUMS, sy-vline,
  WA_KOND-KNUM1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KOND 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_KOND 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_KOND INTO WA_KOND.


*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 CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_KOND-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOND-KMEIN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KOND-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOND-LIFNR.
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_KOND_STR, 
MANDT TYPE STRING,
KNUMD TYPE STRING,
ZUSKO TYPE STRING,
KSCHL TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
KNUMB TYPE STRING,
KNUMK TYPE STRING,
KNUMT TYPE STRING,
KNUMS TYPE STRING,
KNUM1 TYPE STRING,
STFKZ TYPE STRING,
KZBZG TYPE STRING,
KONBE TYPE STRING,
KNUM2 TYPE STRING,
STFK2 TYPE STRING,
KZBZ2 TYPE STRING,
KONB2 TYPE STRING,
KRECH TYPE STRING,
KONWA TYPE STRING,
KMEIN TYPE STRING,
KPEIN TYPE STRING,
KUMZA TYPE STRING,
KUMNE TYPE STRING,
KWAEH TYPE STRING,
KSKTO TYPE STRING,
KNTYP TYPE STRING,
KMWST TYPE STRING,
KSTAT TYPE STRING,
KNPRS TYPE STRING,
KRUEK TYPE STRING,
KRELI TYPE STRING,
KMANU TYPE STRING,
KGRPE TYPE STRING,
KAUFT TYPE STRING,
MXWRT TYPE STRING,
GKWRT TYPE STRING,
PKWRT TYPE STRING,
FKWRT TYPE STRING,
RSWRT TYPE STRING,
UKBAS TYPE STRING,
PRBAS TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
KONKZ TYPE STRING,
KZNEP TYPE STRING,
KOUPD TYPE STRING,
STBAS TYPE STRING,
KOBAS TYPE STRING,
GRUMS TYPE STRING,
MAXRA TYPE STRING,
AUBET TYPE STRING,
ABRBG TYPE STRING,
ABREN TYPE STRING,
KWRTA TYPE STRING,
KWRTR TYPE STRING,
KVSL1 TYPE STRING,
KVSL2 TYPE STRING,
KSTBS TYPE STRING,
KBETR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KOND_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_KOND_STR-MANDT sy-vline 
WA_KOND_STR-KNUMD sy-vline 
WA_KOND_STR-ZUSKO sy-vline 
WA_KOND_STR-KSCHL sy-vline 
WA_KOND_STR-ERNAM sy-vline 
WA_KOND_STR-ERDAT sy-vline 
WA_KOND_STR-KNUMB sy-vline 
WA_KOND_STR-KNUMK sy-vline 
WA_KOND_STR-KNUMT sy-vline 
WA_KOND_STR-KNUMS sy-vline 
WA_KOND_STR-KNUM1 sy-vline 
WA_KOND_STR-STFKZ sy-vline 
WA_KOND_STR-KZBZG sy-vline 
WA_KOND_STR-KONBE sy-vline 
WA_KOND_STR-KNUM2 sy-vline 
WA_KOND_STR-STFK2 sy-vline 
WA_KOND_STR-KZBZ2 sy-vline 
WA_KOND_STR-KONB2 sy-vline 
WA_KOND_STR-KRECH sy-vline 
WA_KOND_STR-KONWA sy-vline 
WA_KOND_STR-KMEIN sy-vline 
WA_KOND_STR-KPEIN sy-vline 
WA_KOND_STR-KUMZA sy-vline 
WA_KOND_STR-KUMNE sy-vline 
WA_KOND_STR-KWAEH sy-vline 
WA_KOND_STR-KSKTO sy-vline 
WA_KOND_STR-KNTYP sy-vline 
WA_KOND_STR-KMWST sy-vline 
WA_KOND_STR-KSTAT sy-vline 
WA_KOND_STR-KNPRS sy-vline 
WA_KOND_STR-KRUEK sy-vline 
WA_KOND_STR-KRELI sy-vline 
WA_KOND_STR-KMANU sy-vline 
WA_KOND_STR-KGRPE sy-vline 
WA_KOND_STR-KAUFT sy-vline 
WA_KOND_STR-MXWRT sy-vline 
WA_KOND_STR-GKWRT sy-vline 
WA_KOND_STR-PKWRT sy-vline 
WA_KOND_STR-FKWRT sy-vline 
WA_KOND_STR-RSWRT sy-vline 
WA_KOND_STR-UKBAS sy-vline 
WA_KOND_STR-PRBAS sy-vline 
WA_KOND_STR-KUNNR sy-vline 
WA_KOND_STR-LIFNR sy-vline 
WA_KOND_STR-KONKZ sy-vline 
WA_KOND_STR-KZNEP sy-vline 
WA_KOND_STR-KOUPD sy-vline 
WA_KOND_STR-STBAS sy-vline 
WA_KOND_STR-KOBAS sy-vline 
WA_KOND_STR-GRUMS sy-vline 
WA_KOND_STR-MAXRA sy-vline 
WA_KOND_STR-AUBET sy-vline 
WA_KOND_STR-ABRBG sy-vline 
WA_KOND_STR-ABREN sy-vline 
WA_KOND_STR-KWRTA sy-vline 
WA_KOND_STR-KWRTR sy-vline 
WA_KOND_STR-KVSL1 sy-vline 
WA_KOND_STR-KVSL2 sy-vline 
WA_KOND_STR-KSTBS sy-vline 
WA_KOND_STR-KBETR sy-vline      INTO ld_text SEPARATED BY SPACE.

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