ABAP Select data from SAP table KKB_SUMM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KKB_SUMM
*  INTO TABLE @DATA(IT_KKB_SUMM2).
*--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_KKB_SUMM INDEX 1 INTO DATA(WA_KKB_SUMM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KKB_SUMM>-KEY = 1.
<KKB_SUMM>-LTEXT = 1.
<KKB_SUMM>-MATNR = 1.
<KKB_SUMM>-OBJNR = 1.
<KKB_SUMM>-AUFNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KKB_SUMM-WAERS, sy-vline,
  WA_KKB_SUMM-OBART, sy-vline,
  WA_KKB_SUMM-DATA_READ, sy-vline,
  WA_KKB_SUMM-DATA_MODIF, sy-vline,
  WA_KKB_SUMM-ISTWERTG, sy-vline,
  WA_KKB_SUMM-ISTWERTF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KKB_SUMM 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_KKB_SUMM 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_KKB_SUMM INTO WA_KKB_SUMM.


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

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

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_KKB_SUMM-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKB_SUMM-MEINH.
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_KKB_SUMM_STR, 
KEY TYPE STRING,
LTEXT TYPE STRING,
MATNR TYPE STRING,
OBJNR TYPE STRING,
AUFNR TYPE STRING,
WAERS TYPE STRING,
OBART TYPE STRING,
DATA_READ TYPE STRING,
DATA_MODIF TYPE STRING,
ISTWERTG TYPE STRING,
ISTWERTF TYPE STRING,
ISTWERTV TYPE STRING,
PLANWERTG TYPE STRING,
PLANWERTF TYPE STRING,
PLANWERTV TYPE STRING,
SOLLWERTG TYPE STRING,
WIP TYPE STRING,
RUECKKO TYPE STRING,
RUECKVE TYPE STRING,
ERGERL TYPE STRING,
ERLBEST TYPE STRING,
ERLUEB TYPE STRING,
KOUMS TYPE STRING,
BESTG TYPE STRING,
RUECKG TYPE STRING,
ERGEBNIS TYPE STRING,
RUECKPR TYPE STRING,
OBLIGO TYPE STRING,
PLANERL TYPE STRING,
ISTERL TYPE STRING,
PLANERL_G TYPE STRING,
ISTERL_G TYPE STRING,
PLANERLM TYPE STRING,
ISTERLM TYPE STRING,
PLANGEW TYPE STRING,
ISTGEW TYPE STRING,
PLANGEWPR TYPE STRING,
ISTGEWPR TYPE STRING,
PLANENTLG TYPE STRING,
PLANENTLF TYPE STRING,
PLANENTLV TYPE STRING,
ISTENTLG TYPE STRING,
ISTENTLF TYPE STRING,
ISTENTLV TYPE STRING,
PLANMENGE TYPE STRING,
ISTMENGE TYPE STRING,
MEINH TYPE STRING,
AMPEL_GESAMT TYPE STRING,
AMPEL_PLAN TYPE STRING,
AMPEL_SOLL TYPE STRING,
AMPEL_MENGE TYPE STRING,
AMPEL_GEWINN TYPE STRING,
AMPEL_ERLOES TYPE STRING,
ABWABPLKO TYPE STRING,
ABWABSOKO TYPE STRING,
ABWPRSOKO TYPE STRING,
ABWPRPLKO TYPE STRING,
ABWABMENGE TYPE STRING,
ABWPRMENGE TYPE STRING,
ISTLIEF_G TYPE STRING,
ISTLIEF_V TYPE STRING,
ISTLIEF_F TYPE STRING,
PLANLIEF_G TYPE STRING,
PLANLIEF_V TYPE STRING,
PLANLIEF_F TYPE STRING,
AUSSCH TYPE STRING,
KONTWERTG TYPE STRING,
KONTMENG_G TYPE STRING,
SOKO_KOST_A TYPE STRING,
SOKO_MENG_P TYPE STRING,
SOLLMENGE TYPE STRING,
SOKO_MENG_A TYPE STRING,
SOKO_KOST_P TYPE STRING,
ABWGES TYPE STRING,
ABWPREIS TYPE STRING,
ABWSTRUKT TYPE STRING,
ABWMENG TYPE STRING,
ABWEINS TYPE STRING,
ABWMISCHP TYPE STRING,
ABWVERRP TYPE STRING,
ABWVERM TYPE STRING,
ABWFIXKO TYPE STRING,
ABWREST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KKB_SUMM_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_KKB_SUMM_STR-KEY sy-vline 
WA_KKB_SUMM_STR-LTEXT sy-vline 
WA_KKB_SUMM_STR-MATNR sy-vline 
WA_KKB_SUMM_STR-OBJNR sy-vline 
WA_KKB_SUMM_STR-AUFNR sy-vline 
WA_KKB_SUMM_STR-WAERS sy-vline 
WA_KKB_SUMM_STR-OBART sy-vline 
WA_KKB_SUMM_STR-DATA_READ sy-vline 
WA_KKB_SUMM_STR-DATA_MODIF sy-vline 
WA_KKB_SUMM_STR-ISTWERTG sy-vline 
WA_KKB_SUMM_STR-ISTWERTF sy-vline 
WA_KKB_SUMM_STR-ISTWERTV sy-vline 
WA_KKB_SUMM_STR-PLANWERTG sy-vline 
WA_KKB_SUMM_STR-PLANWERTF sy-vline 
WA_KKB_SUMM_STR-PLANWERTV sy-vline 
WA_KKB_SUMM_STR-SOLLWERTG sy-vline 
WA_KKB_SUMM_STR-WIP sy-vline 
WA_KKB_SUMM_STR-RUECKKO sy-vline 
WA_KKB_SUMM_STR-RUECKVE sy-vline 
WA_KKB_SUMM_STR-ERGERL sy-vline 
WA_KKB_SUMM_STR-ERLBEST sy-vline 
WA_KKB_SUMM_STR-ERLUEB sy-vline 
WA_KKB_SUMM_STR-KOUMS sy-vline 
WA_KKB_SUMM_STR-BESTG sy-vline 
WA_KKB_SUMM_STR-RUECKG sy-vline 
WA_KKB_SUMM_STR-ERGEBNIS sy-vline 
WA_KKB_SUMM_STR-RUECKPR sy-vline 
WA_KKB_SUMM_STR-OBLIGO sy-vline 
WA_KKB_SUMM_STR-PLANERL sy-vline 
WA_KKB_SUMM_STR-ISTERL sy-vline 
WA_KKB_SUMM_STR-PLANERL_G sy-vline 
WA_KKB_SUMM_STR-ISTERL_G sy-vline 
WA_KKB_SUMM_STR-PLANERLM sy-vline 
WA_KKB_SUMM_STR-ISTERLM sy-vline 
WA_KKB_SUMM_STR-PLANGEW sy-vline 
WA_KKB_SUMM_STR-ISTGEW sy-vline 
WA_KKB_SUMM_STR-PLANGEWPR sy-vline 
WA_KKB_SUMM_STR-ISTGEWPR sy-vline 
WA_KKB_SUMM_STR-PLANENTLG sy-vline 
WA_KKB_SUMM_STR-PLANENTLF sy-vline 
WA_KKB_SUMM_STR-PLANENTLV sy-vline 
WA_KKB_SUMM_STR-ISTENTLG sy-vline 
WA_KKB_SUMM_STR-ISTENTLF sy-vline 
WA_KKB_SUMM_STR-ISTENTLV sy-vline 
WA_KKB_SUMM_STR-PLANMENGE sy-vline 
WA_KKB_SUMM_STR-ISTMENGE sy-vline 
WA_KKB_SUMM_STR-MEINH sy-vline 
WA_KKB_SUMM_STR-AMPEL_GESAMT sy-vline 
WA_KKB_SUMM_STR-AMPEL_PLAN sy-vline 
WA_KKB_SUMM_STR-AMPEL_SOLL sy-vline 
WA_KKB_SUMM_STR-AMPEL_MENGE sy-vline 
WA_KKB_SUMM_STR-AMPEL_GEWINN sy-vline 
WA_KKB_SUMM_STR-AMPEL_ERLOES sy-vline 
WA_KKB_SUMM_STR-ABWABPLKO sy-vline 
WA_KKB_SUMM_STR-ABWABSOKO sy-vline 
WA_KKB_SUMM_STR-ABWPRSOKO sy-vline 
WA_KKB_SUMM_STR-ABWPRPLKO sy-vline 
WA_KKB_SUMM_STR-ABWABMENGE sy-vline 
WA_KKB_SUMM_STR-ABWPRMENGE sy-vline 
WA_KKB_SUMM_STR-ISTLIEF_G sy-vline 
WA_KKB_SUMM_STR-ISTLIEF_V sy-vline 
WA_KKB_SUMM_STR-ISTLIEF_F sy-vline 
WA_KKB_SUMM_STR-PLANLIEF_G sy-vline 
WA_KKB_SUMM_STR-PLANLIEF_V sy-vline 
WA_KKB_SUMM_STR-PLANLIEF_F sy-vline 
WA_KKB_SUMM_STR-AUSSCH sy-vline 
WA_KKB_SUMM_STR-KONTWERTG sy-vline 
WA_KKB_SUMM_STR-KONTMENG_G sy-vline 
WA_KKB_SUMM_STR-SOKO_KOST_A sy-vline 
WA_KKB_SUMM_STR-SOKO_MENG_P sy-vline 
WA_KKB_SUMM_STR-SOLLMENGE sy-vline 
WA_KKB_SUMM_STR-SOKO_MENG_A sy-vline 
WA_KKB_SUMM_STR-SOKO_KOST_P sy-vline 
WA_KKB_SUMM_STR-ABWGES sy-vline 
WA_KKB_SUMM_STR-ABWPREIS sy-vline 
WA_KKB_SUMM_STR-ABWSTRUKT sy-vline 
WA_KKB_SUMM_STR-ABWMENG sy-vline 
WA_KKB_SUMM_STR-ABWEINS sy-vline 
WA_KKB_SUMM_STR-ABWMISCHP sy-vline 
WA_KKB_SUMM_STR-ABWVERRP sy-vline 
WA_KKB_SUMM_STR-ABWVERM sy-vline 
WA_KKB_SUMM_STR-ABWFIXKO sy-vline 
WA_KKB_SUMM_STR-ABWREST sy-vline      INTO ld_text SEPARATED BY SPACE.

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