ABAP Select data from SAP table CBELNODERELDX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CBELNODERELDX
*  INTO TABLE @DATA(IT_CBELNODERELDX2).
*--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_CBELNODERELDX INDEX 1 INTO DATA(WA_CBELNODERELDX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CBELNODERELDX>-MANDT = 1.
<CBELNODERELDX>-BUSEVTLOGOBJECTNODEID = 1.
<CBELNODERELDX>-BUSEVTLOGRELATEDOBJECTNODEID = 1.
<CBELNODERELDX>-SAPOBJECTTYPE = 1.
<CBELNODERELDX>-SAPOBJECTNODETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CBELNODERELDX-SAPBUSINESSOBJECTNODEKEY1, sy-vline,
  WA_CBELNODERELDX-SAPBUSINESSOBJECTNODEKEY2, sy-vline,
  WA_CBELNODERELDX-SAPBUSINESSOBJECTNODEKEY3, sy-vline,
  WA_CBELNODERELDX-SAPBUSINESSOBJECTNODEKEY4, sy-vline,
  WA_CBELNODERELDX-SAPBUSINESSOBJECTNODEKEY5, sy-vline,
  WA_CBELNODERELDX-SAPBUSINESSOBJECTNODEKEY6, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CBELNODERELDX 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_CBELNODERELDX 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_CBELNODERELDX INTO WA_CBELNODERELDX.


*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_CBELNODERELDX_STR, 
MANDT TYPE STRING,
BUSEVTLOGOBJECTNODEID TYPE STRING,
BUSEVTLOGRELATEDOBJECTNODEID TYPE STRING,
SAPOBJECTTYPE TYPE STRING,
SAPOBJECTNODETYPE TYPE STRING,
SAPBUSINESSOBJECTNODEKEY1 TYPE STRING,
SAPBUSINESSOBJECTNODEKEY2 TYPE STRING,
SAPBUSINESSOBJECTNODEKEY3 TYPE STRING,
SAPBUSINESSOBJECTNODEKEY4 TYPE STRING,
SAPBUSINESSOBJECTNODEKEY5 TYPE STRING,
SAPBUSINESSOBJECTNODEKEY6 TYPE STRING,
SAPBUSINESSOBJECTNODEKEY7 TYPE STRING,
RELATEDSAPOBJECTTYPE TYPE STRING,
RELATEDSAPOBJECTNODETYPE TYPE STRING,
BUSEVTLOGASSOCIATIONNAME TYPE STRING,
BUEVLGRELTDSAPBUSOBJNODEKEY1 TYPE STRING,
BUEVLGRELTDSAPBUSOBJNODEKEY2 TYPE STRING,
BUEVLGRELTDSAPBUSOBJNODEKEY3 TYPE STRING,
BUEVLGRELTDSAPBUSOBJNODEKEY4 TYPE STRING,
BUEVLGRELTDSAPBUSOBJNODEKEY5 TYPE STRING,
BUEVLGRELTDSAPBUSOBJNODEKEY6 TYPE STRING,
BUEVLGRELTDSAPBUSOBJNODEKEY7 TYPE STRING,
BUSEVTLOGRELATEDPROCISOUTDATED TYPE STRING,
BUSEVTLOGLASTCHANGEDDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CBELNODERELDX_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_CBELNODERELDX_STR-MANDT sy-vline 
WA_CBELNODERELDX_STR-BUSEVTLOGOBJECTNODEID sy-vline 
WA_CBELNODERELDX_STR-BUSEVTLOGRELATEDOBJECTNODEID sy-vline 
WA_CBELNODERELDX_STR-SAPOBJECTTYPE sy-vline 
WA_CBELNODERELDX_STR-SAPOBJECTNODETYPE sy-vline 
WA_CBELNODERELDX_STR-SAPBUSINESSOBJECTNODEKEY1 sy-vline 
WA_CBELNODERELDX_STR-SAPBUSINESSOBJECTNODEKEY2 sy-vline 
WA_CBELNODERELDX_STR-SAPBUSINESSOBJECTNODEKEY3 sy-vline 
WA_CBELNODERELDX_STR-SAPBUSINESSOBJECTNODEKEY4 sy-vline 
WA_CBELNODERELDX_STR-SAPBUSINESSOBJECTNODEKEY5 sy-vline 
WA_CBELNODERELDX_STR-SAPBUSINESSOBJECTNODEKEY6 sy-vline 
WA_CBELNODERELDX_STR-SAPBUSINESSOBJECTNODEKEY7 sy-vline 
WA_CBELNODERELDX_STR-RELATEDSAPOBJECTTYPE sy-vline 
WA_CBELNODERELDX_STR-RELATEDSAPOBJECTNODETYPE sy-vline 
WA_CBELNODERELDX_STR-BUSEVTLOGASSOCIATIONNAME sy-vline 
WA_CBELNODERELDX_STR-BUEVLGRELTDSAPBUSOBJNODEKEY1 sy-vline 
WA_CBELNODERELDX_STR-BUEVLGRELTDSAPBUSOBJNODEKEY2 sy-vline 
WA_CBELNODERELDX_STR-BUEVLGRELTDSAPBUSOBJNODEKEY3 sy-vline 
WA_CBELNODERELDX_STR-BUEVLGRELTDSAPBUSOBJNODEKEY4 sy-vline 
WA_CBELNODERELDX_STR-BUEVLGRELTDSAPBUSOBJNODEKEY5 sy-vline 
WA_CBELNODERELDX_STR-BUEVLGRELTDSAPBUSOBJNODEKEY6 sy-vline 
WA_CBELNODERELDX_STR-BUEVLGRELTDSAPBUSOBJNODEKEY7 sy-vline 
WA_CBELNODERELDX_STR-BUSEVTLOGRELATEDPROCISOUTDATED sy-vline 
WA_CBELNODERELDX_STR-BUSEVTLOGLASTCHANGEDDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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