ABAP Select data from SAP table DFKK_COL_TRIGGER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKK_COL_TRIGGER
*  INTO TABLE @DATA(IT_DFKK_COL_TRIGGER2).
*--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_DFKK_COL_TRIGGER INDEX 1 INTO DATA(WA_DFKK_COL_TRIGGER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKK_COL_TRIGGER>-MANDT = 1.
<DFKK_COL_TRIGGER>-KEYPP = 1.
<DFKK_COL_TRIGGER>-DOCUMENT_KEY = 1.
<DFKK_COL_TRIGGER>-OPBEL = 1.
<DFKK_COL_TRIGGER>-OPUPK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKK_COL_TRIGGER-OPUPW, sy-vline,
  WA_DFKK_COL_TRIGGER-OPUPZ, sy-vline,
  WA_DFKK_COL_TRIGGER-TIME_STAMP, sy-vline,
  WA_DFKK_COL_TRIGGER-STATE, sy-vline,
  WA_DFKK_COL_TRIGGER-GPART, sy-vline,
  WA_DFKK_COL_TRIGGER-VKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKK_COL_TRIGGER 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_DFKK_COL_TRIGGER 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_DFKK_COL_TRIGGER INTO WA_DFKK_COL_TRIGGER.


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

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

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

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

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKK_COL_TRIGGER-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKK_COL_TRIGGER-AUGBL.
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_DFKK_COL_TRIGGER_STR, 
MANDT TYPE STRING,
KEYPP TYPE STRING,
DOCUMENT_KEY TYPE STRING,
OPBEL TYPE STRING,
OPUPK TYPE STRING,
OPUPW TYPE STRING,
OPUPZ TYPE STRING,
TIME_STAMP TYPE STRING,
STATE TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
AUGRD TYPE STRING,
AUGBL TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
AUGBT TYPE STRING,
AUGWA TYPE STRING,
OBJECT_KEY TYPE STRING,
PROCESS TYPE STRING,
HERKF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKK_COL_TRIGGER_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_DFKK_COL_TRIGGER_STR-MANDT sy-vline 
WA_DFKK_COL_TRIGGER_STR-KEYPP sy-vline 
WA_DFKK_COL_TRIGGER_STR-DOCUMENT_KEY sy-vline 
WA_DFKK_COL_TRIGGER_STR-OPBEL sy-vline 
WA_DFKK_COL_TRIGGER_STR-OPUPK sy-vline 
WA_DFKK_COL_TRIGGER_STR-OPUPW sy-vline 
WA_DFKK_COL_TRIGGER_STR-OPUPZ sy-vline 
WA_DFKK_COL_TRIGGER_STR-TIME_STAMP sy-vline 
WA_DFKK_COL_TRIGGER_STR-STATE sy-vline 
WA_DFKK_COL_TRIGGER_STR-GPART sy-vline 
WA_DFKK_COL_TRIGGER_STR-VKONT sy-vline 
WA_DFKK_COL_TRIGGER_STR-VTREF sy-vline 
WA_DFKK_COL_TRIGGER_STR-SUBAP sy-vline 
WA_DFKK_COL_TRIGGER_STR-ERDAT sy-vline 
WA_DFKK_COL_TRIGGER_STR-ERNAM sy-vline 
WA_DFKK_COL_TRIGGER_STR-AEDAT sy-vline 
WA_DFKK_COL_TRIGGER_STR-AENAM sy-vline 
WA_DFKK_COL_TRIGGER_STR-AUGRD sy-vline 
WA_DFKK_COL_TRIGGER_STR-AUGBL sy-vline 
WA_DFKK_COL_TRIGGER_STR-BETRW sy-vline 
WA_DFKK_COL_TRIGGER_STR-WAERS sy-vline 
WA_DFKK_COL_TRIGGER_STR-AUGBT sy-vline 
WA_DFKK_COL_TRIGGER_STR-AUGWA sy-vline 
WA_DFKK_COL_TRIGGER_STR-OBJECT_KEY sy-vline 
WA_DFKK_COL_TRIGGER_STR-PROCESS sy-vline 
WA_DFKK_COL_TRIGGER_STR-HERKF sy-vline      INTO ld_text SEPARATED BY SPACE.

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