ABAP Select data from SAP table ITOTORDAUTH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITOTORDAUTH
*  INTO TABLE @DATA(IT_ITOTORDAUTH2).
*--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_ITOTORDAUTH INDEX 1 INTO DATA(WA_ITOTORDAUTH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITOTORDAUTH>-MANDT = 1.
<ITOTORDAUTH>-DFSASSGMTUUID = 1.
<ITOTORDAUTH>-FORCEELEMENTORGSRCEID = 1.
<ITOTORDAUTH>-FLXBLMATLPLNGOBJECTID = 1.
<ITOTORDAUTH>-FLXBLMATLPLNGOBJVARIANTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITOTORDAUTH-DFSASSGMTUSAGETYPE, sy-vline,
  WA_ITOTORDAUTH-DFSASSGMTVALDTYSTRTDATE, sy-vline,
  WA_ITOTORDAUTH-DFSASSGMTVALDTYENDDATE, sy-vline,
  WA_ITOTORDAUTH-DFSASSGMTSTATUSCODE, sy-vline,
  WA_ITOTORDAUTH-ORDERQUANTITY, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_ITOTORDAUTH 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_ITOTORDAUTH 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_ITOTORDAUTH INTO WA_ITOTORDAUTH.


*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_ITOTORDAUTH_STR, 
MANDT TYPE STRING,
DFSASSGMTUUID TYPE STRING,
FORCEELEMENTORGSRCEID TYPE STRING,
FLXBLMATLPLNGOBJECTID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTID TYPE STRING,
DFSASSGMTUSAGETYPE TYPE STRING,
DFSASSGMTVALDTYSTRTDATE TYPE STRING,
DFSASSGMTVALDTYENDDATE TYPE STRING,
DFSASSGMTSTATUSCODE TYPE STRING,
ORDERQUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITOTORDAUTH_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_ITOTORDAUTH_STR-MANDT sy-vline 
WA_ITOTORDAUTH_STR-DFSASSGMTUUID sy-vline 
WA_ITOTORDAUTH_STR-FORCEELEMENTORGSRCEID sy-vline 
WA_ITOTORDAUTH_STR-FLXBLMATLPLNGOBJECTID sy-vline 
WA_ITOTORDAUTH_STR-FLXBLMATLPLNGOBJVARIANTID sy-vline 
WA_ITOTORDAUTH_STR-DFSASSGMTUSAGETYPE sy-vline 
WA_ITOTORDAUTH_STR-DFSASSGMTVALDTYSTRTDATE sy-vline 
WA_ITOTORDAUTH_STR-DFSASSGMTVALDTYENDDATE sy-vline 
WA_ITOTORDAUTH_STR-DFSASSGMTSTATUSCODE sy-vline 
WA_ITOTORDAUTH_STR-ORDERQUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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