ABAP Select data from SAP table ARBFND_S_DTD_DDIC_OBJECTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARBFND_S_DTD_DDIC_OBJECTS
*  INTO TABLE @DATA(IT_ARBFND_S_DTD_DDIC_OBJECTS2).
*--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_ARBFND_S_DTD_DDIC_OBJECTS INDEX 1 INTO DATA(WA_ARBFND_S_DTD_DDIC_OBJECTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARBFND_S_DTD_DDIC_OBJECTS>-DTD = 1.
<ARBFND_S_DTD_DDIC_OBJECTS>-MSG_TYPE = 1.
<ARBFND_S_DTD_DDIC_OBJECTS>-DTD_ELEMENT_NS = 1.
<ARBFND_S_DTD_DDIC_OBJECTS>-DTD_ELEMENT_NAME = 1.
<ARBFND_S_DTD_DDIC_OBJECTS>-OBJ_KIND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARBFND_S_DTD_DDIC_OBJECTS-FIELD_INDEX, sy-vline,
  WA_ARBFND_S_DTD_DDIC_OBJECTS-DTD_NAME, sy-vline,
  WA_ARBFND_S_DTD_DDIC_OBJECTS-DTD_TYPE, sy-vline,
  WA_ARBFND_S_DTD_DDIC_OBJECTS-DDIC_TYPE, sy-vline,
  WA_ARBFND_S_DTD_DDIC_OBJECTS-DDIC_NAME, sy-vline,
  WA_ARBFND_S_DTD_DDIC_OBJECTS-REF_COUNTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARBFND_S_DTD_DDIC_OBJECTS 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_ARBFND_S_DTD_DDIC_OBJECTS 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_ARBFND_S_DTD_DDIC_OBJECTS INTO WA_ARBFND_S_DTD_DDIC_OBJECTS.


*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_ARBFND_S_DTD_DDIC_OBJECTS_STR, 
DTD TYPE STRING,
MSG_TYPE TYPE STRING,
DTD_ELEMENT_NS TYPE STRING,
DTD_ELEMENT_NAME TYPE STRING,
OBJ_KIND TYPE STRING,
FIELD_INDEX TYPE STRING,
DTD_NAME TYPE STRING,
DTD_TYPE TYPE STRING,
DDIC_TYPE TYPE STRING,
DDIC_NAME TYPE STRING,
REF_COUNTER TYPE STRING,
USED_BY_TTYP TYPE STRING,
FIELD_COUNTER TYPE STRING,
DTD_TYPE_NS TYPE STRING,
DTD_TYPE_NAME TYPE STRING,
DTD_TYPE_OBJ_KIND TYPE STRING,
INACTIVE TYPE STRING,
RECURRENT TYPE STRING,
ERROR TYPE STRING,
DELETE TYPE STRING,
LINE_COLOR TYPE STRING,
DEPTH TYPE STRING,
DTD_KIND TYPE STRING,
REQUIRED TYPE STRING,
PROPERTIES TYPE STRING,
CXML_VERSION TYPE STRING,
INCOMPATIBLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARBFND_S_DTD_DDIC_OBJECTS_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_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-MSG_TYPE sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_ELEMENT_NS sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_ELEMENT_NAME sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-OBJ_KIND sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-FIELD_INDEX sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_NAME sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_TYPE sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DDIC_TYPE sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DDIC_NAME sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-REF_COUNTER sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-USED_BY_TTYP sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-FIELD_COUNTER sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_TYPE_NS sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_TYPE_NAME sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_TYPE_OBJ_KIND sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-INACTIVE sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-RECURRENT sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-ERROR sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DELETE sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-LINE_COLOR sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DEPTH sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-DTD_KIND sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-REQUIRED sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-PROPERTIES sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-CXML_VERSION sy-vline 
WA_ARBFND_S_DTD_DDIC_OBJECTS_STR-INCOMPATIBLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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