ABAP Select data from SAP table /DMBE/S_IHEADER_EXT_DRAFT_TP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /DMBE/S_IHEADER_EXT_DRAFT_TP 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 /DMBE/S_IHEADER_EXT_DRAFT_TP. 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 /DMBE/S_IHEADER_EXT_DRAFT_TP 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_/DMBE/S_IHEADER_EXT_DRAFT_TP TYPE STANDARD TABLE OF /DMBE/S_IHEADER_EXT_DRAFT_TP,
      WA_/DMBE/S_IHEADER_EXT_DRAFT_TP TYPE /DMBE/S_IHEADER_EXT_DRAFT_TP,
      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: </DMBE/S_IHEADER_EXT_DRAFT_TP> TYPE /DMBE/S_IHEADER_EXT_DRAFT_TP.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /DMBE/S_IHEADER_EXT_DRAFT_TP
  INTO TABLE IT_/DMBE/S_IHEADER_EXT_DRAFT_TP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /DMBE/S_IHEADER_EXT_DRAFT_TP
*  INTO TABLE @DATA(IT_/DMBE/S_IHEADER_EXT_DRAFT_TP2).
*--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_/DMBE/S_IHEADER_EXT_DRAFT_TP INDEX 1 INTO DATA(WA_/DMBE/S_IHEADER_EXT_DRAFT_TP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/DMBE/S_IHEADER_EXT_DRAFT_TP ASSIGNING </DMBE/S_IHEADER_EXT_DRAFT_TP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</DMBE/S_IHEADER_EXT_DRAFT_TP>-KEY = 1.
</DMBE/S_IHEADER_EXT_DRAFT_TP>-PARENT_KEY = 1.
</DMBE/S_IHEADER_EXT_DRAFT_TP>-ROOT_KEY = 1.
</DMBE/S_IHEADER_EXT_DRAFT_TP>-DEALUUID = 1.
</DMBE/S_IHEADER_EXT_DRAFT_TP>-SEQUENCE = 1.

ENDLOOP.

LOOP AT IT_/DMBE/S_IHEADER_EXT_DRAFT_TP INTO WA_/DMBE/S_IHEADER_EXT_DRAFT_TP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/DMBE/S_IHEADER_EXT_DRAFT_TP-EXTENSIONTYPE, sy-vline,
  WA_/DMBE/S_IHEADER_EXT_DRAFT_TP-DELETED, sy-vline,
  WA_/DMBE/S_IHEADER_EXT_DRAFT_TP-ACTIVEUUID, sy-vline,
  WA_/DMBE/S_IHEADER_EXT_DRAFT_TP-HASACTIVEENTITY, sy-vline,
  WA_/DMBE/S_IHEADER_EXT_DRAFT_TP-INTERNALCOMPANY, sy-vline,
  WA_/DMBE/S_IHEADER_EXT_DRAFT_TP-BUYINGCOMPANY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/DMBE/S_IHEADER_EXT_DRAFT_TP 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_/DMBE/S_IHEADER_EXT_DRAFT_TP 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_/DMBE/S_IHEADER_EXT_DRAFT_TP INTO WA_/DMBE/S_IHEADER_EXT_DRAFT_TP.


*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_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
DEALUUID TYPE STRING,
SEQUENCE TYPE STRING,
EXTENSIONTYPE TYPE STRING,
DELETED TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
INTERNALCOMPANY TYPE STRING,
BUYINGCOMPANY TYPE STRING,
SELLINGCOMPANY TYPE STRING,
PRODUCTTYPE TYPE STRING,
DEALTYPE TYPE STRING,
TRANSACTIONTYPE TYPE STRING,
DEALBLOCKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_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_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-KEY sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-PARENT_KEY sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-ROOT_KEY sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-DEALUUID sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-SEQUENCE sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-EXTENSIONTYPE sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-DELETED sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-ACTIVEUUID sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-HASACTIVEENTITY sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-INTERNALCOMPANY sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-BUYINGCOMPANY sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-SELLINGCOMPANY sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-PRODUCTTYPE sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-DEALTYPE sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-TRANSACTIONTYPE sy-vline 
WA_/DMBE/S_IHEADER_EXT_DRAFT_TP_STR-DEALBLOCKED sy-vline      INTO ld_text SEPARATED BY SPACE.

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