ABAP Select data from SAP table DFKKBIEDRWOTC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKBIEDRWOTC
*  INTO TABLE @DATA(IT_DFKKBIEDRWOTC2).
*--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_DFKKBIEDRWOTC INDEX 1 INTO DATA(WA_DFKKBIEDRWOTC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKBIEDRWOTC>-MANDT = 1.
<DFKKBIEDRWOTC>-BILLACCREF = 1.
<DFKKBIEDRWOTC>-EDRUUID = 1.
<DFKKBIEDRWOTC>-EVENTTIME = 1.
<DFKKBIEDRWOTC>-EDRTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKBIEDRWOTC-EDRAMOUNT, sy-vline,
  WA_DFKKBIEDRWOTC-EDRCURR, sy-vline,
  WA_DFKKBIEDRWOTC-BILLINGOBJECT, sy-vline,
  WA_DFKKBIEDRWOTC-EMISSCLASS, sy-vline,
  WA_DFKKBIEDRWOTC-AXLECLASS, sy-vline,
  WA_DFKKBIEDRWOTC-BILLACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKBIEDRWOTC 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_DFKKBIEDRWOTC 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_DFKKBIEDRWOTC INTO WA_DFKKBIEDRWOTC.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DFKKBIEDRWOTC_STR, 
MANDT TYPE STRING,
BILLACCREF TYPE STRING,
EDRUUID TYPE STRING,
EVENTTIME TYPE STRING,
EDRTYPE TYPE STRING,
EDRAMOUNT TYPE STRING,
EDRCURR TYPE STRING,
BILLINGOBJECT TYPE STRING,
EMISSCLASS TYPE STRING,
AXLECLASS TYPE STRING,
BILLACCOUNT TYPE STRING,
LOADTIME TYPE STRING,
PROCESSED TYPE STRING,
SOURCE TYPE STRING,
REASON TYPE STRING,
CRNAME TYPE STRING,
CRTIMESTAMP TYPE STRING,
CHNAME TYPE STRING,
CHTIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKBIEDRWOTC_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_DFKKBIEDRWOTC_STR-MANDT sy-vline 
WA_DFKKBIEDRWOTC_STR-BILLACCREF sy-vline 
WA_DFKKBIEDRWOTC_STR-EDRUUID sy-vline 
WA_DFKKBIEDRWOTC_STR-EVENTTIME sy-vline 
WA_DFKKBIEDRWOTC_STR-EDRTYPE sy-vline 
WA_DFKKBIEDRWOTC_STR-EDRAMOUNT sy-vline 
WA_DFKKBIEDRWOTC_STR-EDRCURR sy-vline 
WA_DFKKBIEDRWOTC_STR-BILLINGOBJECT sy-vline 
WA_DFKKBIEDRWOTC_STR-EMISSCLASS sy-vline 
WA_DFKKBIEDRWOTC_STR-AXLECLASS sy-vline 
WA_DFKKBIEDRWOTC_STR-BILLACCOUNT sy-vline 
WA_DFKKBIEDRWOTC_STR-LOADTIME sy-vline 
WA_DFKKBIEDRWOTC_STR-PROCESSED sy-vline 
WA_DFKKBIEDRWOTC_STR-SOURCE sy-vline 
WA_DFKKBIEDRWOTC_STR-REASON sy-vline 
WA_DFKKBIEDRWOTC_STR-CRNAME sy-vline 
WA_DFKKBIEDRWOTC_STR-CRTIMESTAMP sy-vline 
WA_DFKKBIEDRWOTC_STR-CHNAME sy-vline 
WA_DFKKBIEDRWOTC_STR-CHTIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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