ABAP Select data from SAP table SIT2_D_BT_OG_HFD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SIT2_D_BT_OG_HFD 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 SIT2_D_BT_OG_HFD. 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 SIT2_D_BT_OG_HFD 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_SIT2_D_BT_OG_HFD TYPE STANDARD TABLE OF SIT2_D_BT_OG_HFD,
      WA_SIT2_D_BT_OG_HFD TYPE SIT2_D_BT_OG_HFD,
      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: <SIT2_D_BT_OG_HFD> TYPE SIT2_D_BT_OG_HFD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SIT2_D_BT_OG_HFD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SIT2_D_BT_OG_HFD
  INTO TABLE IT_SIT2_D_BT_OG_HFD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SIT2_D_BT_OG_HFD
*  INTO TABLE @DATA(IT_SIT2_D_BT_OG_HFD2).
*--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_SIT2_D_BT_OG_HFD INDEX 1 INTO DATA(WA_SIT2_D_BT_OG_HFD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SIT2_D_BT_OG_HFD ASSIGNING <SIT2_D_BT_OG_HFD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SIT2_D_BT_OG_HFD>-MANDT = 1.
<SIT2_D_BT_OG_HFD>-DRAFTUUID = 1.
<SIT2_D_BT_OG_HFD>-PARENTDRAFTUUID = 1.
<SIT2_D_BT_OG_HFD>-ROOTDRAFTUUID = 1.
<SIT2_D_BT_OG_HFD>-SITNBASETEMPLATEID = 1.

ENDLOOP.

LOOP AT IT_SIT2_D_BT_OG_HFD INTO WA_SIT2_D_BT_OG_HFD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SIT2_D_BT_OG_HFD-SITNBASETMPLOBJECTGROUPID, sy-vline,
  WA_SIT2_D_BT_OG_HFD-SITNOBJECTTYPE, sy-vline,
  WA_SIT2_D_BT_OG_HFD-SITNOBJECTFIELDNAME, sy-vline,
  WA_SIT2_D_BT_OG_HFD-SITNOBJECTTYPEFOREDIT, sy-vline,
  WA_SIT2_D_BT_OG_HFD-SITNOBJECTFIELDNAMEFOREDIT, sy-vline,
  WA_SIT2_D_BT_OG_HFD-SITNBASETMPLOBJGRPFIELDSCOPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SIT2_D_BT_OG_HFD 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_SIT2_D_BT_OG_HFD 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_SIT2_D_BT_OG_HFD INTO WA_SIT2_D_BT_OG_HFD.


*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_SIT2_D_BT_OG_HFD_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
ROOTDRAFTUUID TYPE STRING,
SITNBASETEMPLATEID TYPE STRING,
SITNBASETMPLOBJECTGROUPID TYPE STRING,
SITNOBJECTTYPE TYPE STRING,
SITNOBJECTFIELDNAME TYPE STRING,
SITNOBJECTTYPEFOREDIT TYPE STRING,
SITNOBJECTFIELDNAMEFOREDIT TYPE STRING,
SITNBASETMPLOBJGRPFIELDSCOPE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SIT2_D_BT_OG_HFD_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_SIT2_D_BT_OG_HFD_STR-MANDT sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-DRAFTUUID sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-PARENTDRAFTUUID sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-ROOTDRAFTUUID sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-SITNBASETEMPLATEID sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-SITNBASETMPLOBJECTGROUPID sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-SITNOBJECTTYPE sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-SITNOBJECTFIELDNAME sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-SITNOBJECTTYPEFOREDIT sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-SITNOBJECTFIELDNAMEFOREDIT sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-SITNBASETMPLOBJGRPFIELDSCOPE sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-HASACTIVEENTITY sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_SIT2_D_BT_OG_HFD_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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