ABAP Select data from SAP table KKB_GLOBAL_OBJECT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP KKB_GLOBAL_OBJECT 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_GLOBAL_OBJECT. 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_GLOBAL_OBJECT 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_GLOBAL_OBJECT TYPE STANDARD TABLE OF KKB_GLOBAL_OBJECT,
      WA_KKB_GLOBAL_OBJECT TYPE KKB_GLOBAL_OBJECT,
      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_GLOBAL_OBJECT> TYPE KKB_GLOBAL_OBJECT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KKB_GLOBAL_OBJECT
*  INTO TABLE @DATA(IT_KKB_GLOBAL_OBJECT2).
*--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_GLOBAL_OBJECT INDEX 1 INTO DATA(WA_KKB_GLOBAL_OBJECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KKB_GLOBAL_OBJECT>-AUFNR = 1.
<KKB_GLOBAL_OBJECT>-POSNR = 1.
<KKB_GLOBAL_OBJECT>-PINCL = 1.
<KKB_GLOBAL_OBJECT>-KSTRG = 1.
<KKB_GLOBAL_OBJECT>-SMATN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KKB_GLOBAL_OBJECT-MATNR, sy-vline,
  WA_KKB_GLOBAL_OBJECT-WERKS, sy-vline,
  WA_KKB_GLOBAL_OBJECT-KLVAR, sy-vline,
  WA_KKB_GLOBAL_OBJECT-TVERS, sy-vline,
  WA_KKB_GLOBAL_OBJECT-KADKY, sy-vline,
  WA_KKB_GLOBAL_OBJECT-KALNR_BA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KKB_GLOBAL_OBJECT 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_GLOBAL_OBJECT 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_GLOBAL_OBJECT INTO WA_KKB_GLOBAL_OBJECT.


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

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

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

*Conversion exit ALPHA, internal->external for field PRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KKB_GLOBAL_OBJECT-PRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KKB_GLOBAL_OBJECT-PRZNR.
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_GLOBAL_OBJECT_STR, 
AUFNR TYPE STRING,
POSNR TYPE STRING,
PINCL TYPE STRING,
KSTRG TYPE STRING,
SMATN TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
KLVAR TYPE STRING,
TVERS TYPE STRING,
KADKY TYPE STRING,
KALNR_BA TYPE STRING,
PROCNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
ROLLD TYPE STRING,
KOSTL TYPE STRING,
OINCL TYPE STRING,
NINCL TYPE STRING,
HIART TYPE STRING,
HIEID TYPE STRING,
VARHI TYPE STRING,
PRZNR TYPE STRING,
PERBZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KKB_GLOBAL_OBJECT_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_GLOBAL_OBJECT_STR-AUFNR sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-POSNR sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-PINCL sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-KSTRG sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-SMATN sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-MATNR sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-WERKS sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-KLVAR sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-TVERS sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-KADKY sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-KALNR_BA sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-PROCNR sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-KDAUF sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-KDPOS sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-ROLLD sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-KOSTL sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-OINCL sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-NINCL sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-HIART sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-HIEID sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-VARHI sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-PRZNR sy-vline 
WA_KKB_GLOBAL_OBJECT_STR-PERBZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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