ABAP Select data from SAP table IAUTHVARINFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IAUTHVARINFO
*  INTO TABLE @DATA(IT_IAUTHVARINFO2).
*--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_IAUTHVARINFO INDEX 1 INTO DATA(WA_IAUTHVARINFO2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IAUTHVARINFO-DFSASSGMTVALDTYSTRTDATE, sy-vline,
  WA_IAUTHVARINFO-DFSASSGMTVALDTYENDDATE, sy-vline,
  WA_IAUTHVARINFO-DFSASSGMTSTATUSCODE, sy-vline,
  WA_IAUTHVARINFO-DFSASSGMTISUSEDFORMASSMATLPLNG, sy-vline,
  WA_IAUTHVARINFO-FLXBLMATLPLNGOBJECTUUID, sy-vline,
  WA_IAUTHVARINFO-FLXBLMATLPLNGOBJVARIANTUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IAUTHVARINFO 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_IAUTHVARINFO 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_IAUTHVARINFO INTO WA_IAUTHVARINFO.


*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_IAUTHVARINFO_STR, 
MANDT TYPE STRING,
DFSASSGMTUUID TYPE STRING,
FORCEELEMENTORGSRCEID TYPE STRING,
FLXBLMATLPLNGOBJECTID TYPE STRING,
DFSASSGMTUSAGETYPE TYPE STRING,
DFSASSGMTVALDTYSTRTDATE TYPE STRING,
DFSASSGMTVALDTYENDDATE TYPE STRING,
DFSASSGMTSTATUSCODE TYPE STRING,
DFSASSGMTISUSEDFORMASSMATLPLNG TYPE STRING,
FLXBLMATLPLNGOBJECTUUID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTUUID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTID TYPE STRING,
DFSASSGMTSOURCETYPE TYPE STRING,
DFSASSGMTCORRECTIONVALUE TYPE STRING,
DFSASSGMTPRIORITY TYPE STRING,
DFSASSGMTTYPE TYPE STRING,
DFSASSGMTMATERIALWEIGHTINGRATE TYPE STRING,
DFSASSGMTSOURCEOBJECTTYPE TYPE STRING,
DFSASSGMTNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMINNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMAXNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMATERIALINDICATORCODE TYPE STRING,
DFSASSGMTMATERIALINDICATORDESC TYPE STRING,
DFSASSGMTMATERIALINDICATORTYPE TYPE STRING,
DFSASSGMTMATERIALCATEGORY TYPE STRING,
DFSASSGMTMATERIALCATEGORYDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IAUTHVARINFO_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_IAUTHVARINFO_STR-MANDT sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTUUID sy-vline 
WA_IAUTHVARINFO_STR-FORCEELEMENTORGSRCEID sy-vline 
WA_IAUTHVARINFO_STR-FLXBLMATLPLNGOBJECTID sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTUSAGETYPE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTVALDTYSTRTDATE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTVALDTYENDDATE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTSTATUSCODE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTISUSEDFORMASSMATLPLNG sy-vline 
WA_IAUTHVARINFO_STR-FLXBLMATLPLNGOBJECTUUID sy-vline 
WA_IAUTHVARINFO_STR-FLXBLMATLPLNGOBJVARIANTUUID sy-vline 
WA_IAUTHVARINFO_STR-FLXBLMATLPLNGOBJVARIANTID sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTSOURCETYPE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTCORRECTIONVALUE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTPRIORITY sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTTYPE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMATERIALWEIGHTINGRATE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTSOURCEOBJECTTYPE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTNMBROFASSGDMATL sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMINNMBROFASSGDMATL sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMAXNMBROFASSGDMATL sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMATERIALINDICATORCODE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMATERIALINDICATORDESC sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMATERIALINDICATORTYPE sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMATERIALCATEGORY sy-vline 
WA_IAUTHVARINFO_STR-DFSASSGMTMATERIALCATEGORYDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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