ABAP Select data from SAP table ICAMDRECDWTHOBJ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICAMDRECDWTHOBJ
*  INTO TABLE @DATA(IT_ICAMDRECDWTHOBJ2).
*--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_ICAMDRECDWTHOBJ INDEX 1 INTO DATA(WA_ICAMDRECDWTHOBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICAMDRECDWTHOBJ>-MANDT = 1.
<ICAMDRECDWTHOBJ>-CAMASTERDATADISTROBJECTTYPE = 1.
<ICAMDRECDWTHOBJ>-CAMASTERDATADISTROBJECT = 1.
<ICAMDRECDWTHOBJ>-CREATIONDATETIME = 1.
<ICAMDRECDWTHOBJ>-CARATINGAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICAMDRECDWTHOBJ-CAMASTERDATADISTROBJECTXML, sy-vline,
  WA_ICAMDRECDWTHOBJ-CAMASTERDATADISTROBJISOBSOLETE, sy-vline,
  WA_ICAMDRECDWTHOBJ-CAMASTERDATADISTROBJISPROCD, sy-vline,
  WA_ICAMDRECDWTHOBJ-CAMASTERDATADISTROBJECTREF, sy-vline,
  WA_ICAMDRECDWTHOBJ-CAMASTERDATADISTRRECDOBJTYPE, sy-vline,
  WA_ICAMDRECDWTHOBJ-CAMASTERDATADISTRRECORD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICAMDRECDWTHOBJ 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_ICAMDRECDWTHOBJ 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_ICAMDRECDWTHOBJ INTO WA_ICAMDRECDWTHOBJ.


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

*Conversion exit ALPHA, internal->external for field CAMASTERDATAPARENTDISTROBJREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICAMDRECDWTHOBJ-CAMASTERDATAPARENTDISTROBJREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICAMDRECDWTHOBJ-CAMASTERDATAPARENTDISTROBJREF.
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_ICAMDRECDWTHOBJ_STR, 
MANDT TYPE STRING,
CAMASTERDATADISTROBJECTTYPE TYPE STRING,
CAMASTERDATADISTROBJECT TYPE STRING,
CREATIONDATETIME TYPE STRING,
CARATINGAREA TYPE STRING,
CAMASTERDATADISTROBJECTXML TYPE STRING,
CAMASTERDATADISTROBJISOBSOLETE TYPE STRING,
CAMASTERDATADISTROBJISPROCD TYPE STRING,
CAMASTERDATADISTROBJECTREF TYPE STRING,
CAMASTERDATADISTRRECDOBJTYPE TYPE STRING,
CAMASTERDATADISTRRECORD TYPE STRING,
CAMASTERDATADISTRRECORDTYPE TYPE STRING,
CAMASTERDATADISTRISOBSOLETE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CAMSTRDATADISTRRECDEXECTDACTN TYPE STRING,
CAMASTERDATAPARENTDISTROBJTYPE TYPE STRING,
CAMASTERDATAPARENTDISTROBJREF TYPE STRING,
SYSTEMMESSAGETYPE TYPE STRING,
SYSTEMMESSAGECLASS TYPE STRING,
SYSTEMMESSAGENUMBER TYPE STRING,
SYSTEMMESSAGEVARIABLE1 TYPE STRING,
SYSTEMMESSAGEVARIABLE2 TYPE STRING,
SYSTEMMESSAGEVARIABLE3 TYPE STRING,
SYSTEMMESSAGEVARIABLE4 TYPE STRING,
SYSTEMMESSAGETEXT TYPE STRING,
SYSTEMMSGSARESTOREDSEPARATELY TYPE STRING,
CAMASTERDATADISTRHASRATINGAREA TYPE STRING,
CAMASTERDATADEPDNTDISTROBJTYPE TYPE STRING,
CAMASTERDATADEPDNTDISTROBJ TYPE STRING,
CAMASTERDATADISTRRATINGAREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICAMDRECDWTHOBJ_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_ICAMDRECDWTHOBJ_STR-MANDT sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTROBJECTTYPE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTROBJECT sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CREATIONDATETIME sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CARATINGAREA sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTROBJECTXML sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTROBJISOBSOLETE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTROBJISPROCD sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTROBJECTREF sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTRRECDOBJTYPE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTRRECORD sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTRRECORDTYPE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTRISOBSOLETE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CREATIONDATE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CREATIONTIME sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMSTRDATADISTRRECDEXECTDACTN sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATAPARENTDISTROBJTYPE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATAPARENTDISTROBJREF sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGETYPE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGECLASS sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGENUMBER sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGEVARIABLE1 sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGEVARIABLE2 sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGEVARIABLE3 sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGEVARIABLE4 sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMESSAGETEXT sy-vline 
WA_ICAMDRECDWTHOBJ_STR-SYSTEMMSGSARESTOREDSEPARATELY sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTRHASRATINGAREA sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADEPDNTDISTROBJTYPE sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADEPDNTDISTROBJ sy-vline 
WA_ICAMDRECDWTHOBJ_STR-CAMASTERDATADISTRRATINGAREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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