ABAP Select data from SAP table RDFSSCNTSKFEREL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RDFSSCNTSKFEREL
*  INTO TABLE @DATA(IT_RDFSSCNTSKFEREL2).
*--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_RDFSSCNTSKFEREL INDEX 1 INTO DATA(WA_RDFSSCNTSKFEREL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RDFSSCNTSKFEREL>-MANDT = 1.
<RDFSSCNTSKFEREL>-DFSSCENARIOALTVTASKRELSHPUUID = 1.
<RDFSSCNTSKFEREL>-DFSSCENARIOALTVTASKUUID = 1.
<RDFSSCNTSKFEREL>-DFSSCENARIOALTVUUID = 1.
<RDFSSCNTSKFEREL>-DFSSCENARIOUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RDFSSCNTSKFEREL-DFSSCENARIOALTVTASKRELSHPTYPE, sy-vline,
  WA_RDFSSCNTSKFEREL-FORCEELEMENTORGUUID, sy-vline,
  WA_RDFSSCNTSKFEREL-FORCEELEMENTORGID, sy-vline,
  WA_RDFSSCNTSKFEREL-FRCELMNTORGNAME, sy-vline,
  WA_RDFSSCNTSKFEREL-DFSSCENALTVTSKRELSHPCRTNDTETME, sy-vline,
  WA_RDFSSCNTSKFEREL-DFSSCENALTVTSKRELSHPCRTEDBYUSR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RDFSSCNTSKFEREL 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_RDFSSCNTSKFEREL 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_RDFSSCNTSKFEREL INTO WA_RDFSSCNTSKFEREL.


*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_RDFSSCNTSKFEREL_STR, 
MANDT TYPE STRING,
DFSSCENARIOALTVTASKRELSHPUUID TYPE STRING,
DFSSCENARIOALTVTASKUUID TYPE STRING,
DFSSCENARIOALTVUUID TYPE STRING,
DFSSCENARIOUUID TYPE STRING,
DFSSCENARIOALTVTASKRELSHPTYPE TYPE STRING,
FORCEELEMENTORGUUID TYPE STRING,
FORCEELEMENTORGID TYPE STRING,
FRCELMNTORGNAME TYPE STRING,
DFSSCENALTVTSKRELSHPCRTNDTETME TYPE STRING,
DFSSCENALTVTSKRELSHPCRTEDBYUSR TYPE STRING,
DFSSCENTSKRELSHPLASTCHGDDTETME TYPE STRING,
DFSSCENTASKRELSHPLASTCHGDBYUSR TYPE STRING,
FORCEELEMENTSEMANTICOBJECT TYPE STRING,
DFSSCENARIOLASTCHGDDTETME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RDFSSCNTSKFEREL_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_RDFSSCNTSKFEREL_STR-MANDT sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENARIOALTVTASKRELSHPUUID sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENARIOALTVTASKUUID sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENARIOALTVUUID sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENARIOUUID sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENARIOALTVTASKRELSHPTYPE sy-vline 
WA_RDFSSCNTSKFEREL_STR-FORCEELEMENTORGUUID sy-vline 
WA_RDFSSCNTSKFEREL_STR-FORCEELEMENTORGID sy-vline 
WA_RDFSSCNTSKFEREL_STR-FRCELMNTORGNAME sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENALTVTSKRELSHPCRTNDTETME sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENALTVTSKRELSHPCRTEDBYUSR sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENTSKRELSHPLASTCHGDDTETME sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENTASKRELSHPLASTCHGDBYUSR sy-vline 
WA_RDFSSCNTSKFEREL_STR-FORCEELEMENTSEMANTICOBJECT sy-vline 
WA_RDFSSCNTSKFEREL_STR-DFSSCENARIOLASTCHGDDTETME sy-vline      INTO ld_text SEPARATED BY SPACE.

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