ABAP Select data from SAP table DFKKCMBRFTRACE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKCMBRFTRACE
*  INTO TABLE @DATA(IT_DFKKCMBRFTRACE2).
*--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_DFKKCMBRFTRACE INDEX 1 INTO DATA(WA_DFKKCMBRFTRACE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKCMBRFTRACE>-MANDT = 1.
<DFKKCMBRFTRACE>-LAUFD = 1.
<DFKKCMBRFTRACE>-LAUFI = 1.
<DFKKCMBRFTRACE>-GPART = 1.
<DFKKCMBRFTRACE>-VKONTGRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKCMBRFTRACE-VTREFGRP, sy-vline,
  WA_DFKKCMBRFTRACE-ITEMGRP, sy-vline,
  WA_DFKKCMBRFTRACE-GRPFIELD, sy-vline,
  WA_DFKKCMBRFTRACE-TRACE_ID, sy-vline,
  WA_DFKKCMBRFTRACE-STRAT, sy-vline,
  WA_DFKKCMBRFTRACE-STEP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKCMBRFTRACE 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_DFKKCMBRFTRACE 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_DFKKCMBRFTRACE INTO WA_DFKKCMBRFTRACE.


*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 GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKCMBRFTRACE-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKCMBRFTRACE-GPART.
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_DFKKCMBRFTRACE_STR, 
MANDT TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
GPART TYPE STRING,
VKONTGRP TYPE STRING,
VTREFGRP TYPE STRING,
ITEMGRP TYPE STRING,
GRPFIELD TYPE STRING,
TRACE_ID TYPE STRING,
STRAT TYPE STRING,
STEP TYPE STRING,
PARENT_TRACE_ID TYPE STRING,
STACK_LEVEL TYPE STRING,
EVENT_ID TYPE STRING,
ICON TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_LTXT TYPE STRING,
ID TYPE STRING,
APPLCLASS TYPE STRING,
SUBEVENT TYPE STRING,
RUNTIME TYPE STRING,
START_AT TYPE STRING,
STOP_AT TYPE STRING,
RESULT_TYPE TYPE STRING,
RESULT_TYPE_LTXT TYPE STRING,
RESULT_VALUE TYPE STRING,
RESULT_CURR TYPE STRING,
SHORT TYPE STRING,
BUFFER_STATUS TYPE STRING,
TRACE_UUID TYPE STRING,
JSON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKCMBRFTRACE_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_DFKKCMBRFTRACE_STR-MANDT sy-vline 
WA_DFKKCMBRFTRACE_STR-LAUFD sy-vline 
WA_DFKKCMBRFTRACE_STR-LAUFI sy-vline 
WA_DFKKCMBRFTRACE_STR-GPART sy-vline 
WA_DFKKCMBRFTRACE_STR-VKONTGRP sy-vline 
WA_DFKKCMBRFTRACE_STR-VTREFGRP sy-vline 
WA_DFKKCMBRFTRACE_STR-ITEMGRP sy-vline 
WA_DFKKCMBRFTRACE_STR-GRPFIELD sy-vline 
WA_DFKKCMBRFTRACE_STR-TRACE_ID sy-vline 
WA_DFKKCMBRFTRACE_STR-STRAT sy-vline 
WA_DFKKCMBRFTRACE_STR-STEP sy-vline 
WA_DFKKCMBRFTRACE_STR-PARENT_TRACE_ID sy-vline 
WA_DFKKCMBRFTRACE_STR-STACK_LEVEL sy-vline 
WA_DFKKCMBRFTRACE_STR-EVENT_ID sy-vline 
WA_DFKKCMBRFTRACE_STR-ICON sy-vline 
WA_DFKKCMBRFTRACE_STR-CATEGORY sy-vline 
WA_DFKKCMBRFTRACE_STR-CATEGORY_LTXT sy-vline 
WA_DFKKCMBRFTRACE_STR-ID sy-vline 
WA_DFKKCMBRFTRACE_STR-APPLCLASS sy-vline 
WA_DFKKCMBRFTRACE_STR-SUBEVENT sy-vline 
WA_DFKKCMBRFTRACE_STR-RUNTIME sy-vline 
WA_DFKKCMBRFTRACE_STR-START_AT sy-vline 
WA_DFKKCMBRFTRACE_STR-STOP_AT sy-vline 
WA_DFKKCMBRFTRACE_STR-RESULT_TYPE sy-vline 
WA_DFKKCMBRFTRACE_STR-RESULT_TYPE_LTXT sy-vline 
WA_DFKKCMBRFTRACE_STR-RESULT_VALUE sy-vline 
WA_DFKKCMBRFTRACE_STR-RESULT_CURR sy-vline 
WA_DFKKCMBRFTRACE_STR-SHORT sy-vline 
WA_DFKKCMBRFTRACE_STR-BUFFER_STATUS sy-vline 
WA_DFKKCMBRFTRACE_STR-TRACE_UUID sy-vline 
WA_DFKKCMBRFTRACE_STR-JSON sy-vline      INTO ld_text SEPARATED BY SPACE.

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