ABAP Select data from SAP table IAUTHACACP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IAUTHACACP
*  INTO TABLE @DATA(IT_IAUTHACACP2).
*--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_IAUTHACACP INDEX 1 INTO DATA(WA_IAUTHACACP2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IAUTHACACP-DFSASSGMTVALDTYSTRTDATE, sy-vline,
  WA_IAUTHACACP-DFSASSGMTVALDTYENDDATE, sy-vline,
  WA_IAUTHACACP-DFSASSGMTSTATUSCODE, sy-vline,
  WA_IAUTHACACP-FLXBLMATLPLNGOBJDESCRIPTION, sy-vline,
  WA_IAUTHACACP-DFSASSGMTUUID, sy-vline,
  WA_IAUTHACACP-FLXBLMATLPLNGOBJECTUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IAUTHACACP 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_IAUTHACACP 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_IAUTHACACP INTO WA_IAUTHACACP.


*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_IAUTHACACP_STR, 
MANDT TYPE STRING,
DFSASSGMTNODE TYPE STRING,
FORCEELEMENTORGSRCEID TYPE STRING,
FLXBLMATLPLNGOBJECTID TYPE STRING,
DFSASSGMTUSAGETYPE TYPE STRING,
DFSASSGMTVALDTYSTRTDATE TYPE STRING,
DFSASSGMTVALDTYENDDATE TYPE STRING,
DFSASSGMTSTATUSCODE TYPE STRING,
FLXBLMATLPLNGOBJDESCRIPTION TYPE STRING,
DFSASSGMTUUID TYPE STRING,
FLXBLMATLPLNGOBJECTUUID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTUUID TYPE STRING,
DFSASSGMTSOURCETYPE TYPE STRING,
DFSASSGMTTYPE TYPE STRING,
DFSASSGMTNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMAXNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMINNMBROFASSGDMATL TYPE STRING,
FRCELMNTORGPLNGSTATUS TYPE STRING,
FRCELMNTORGNAME TYPE STRING,
FRCELMNTORGSTOCKPLANT TYPE STRING,
FRCELMNTORGSTOCKSTORAGELOC TYPE STRING,
ACTUALFLXMTPLOBJVARAVAILVAL TYPE STRING,
GOODSISSUEQTYINBASEUNIT TYPE STRING,
ACTUALFLXMTPLOBJVARINSTDVAL TYPE STRING,
REQUESTEDQUANTITY TYPE STRING,
ORDERQUANTITY TYPE STRING,
AUTHZDACTLCOMPRNSTSCRITICALITY TYPE STRING,
AUTHZDACTLCOMPRNSTSDESCRIPTION TYPE STRING,
SYSTEMSTATUSNAME TYPE STRING,
FRCELMNTORGPLNGSTATUSNAME TYPE STRING,
DFSASSGMTCORRECTIONVALUE TYPE STRING,
ADJUSTEDAUTHZDNMBROFASSGDMATL TYPE STRING,
DIFFBTWNACTUALANDAUTHORIZEDVAL TYPE STRING,
DFSASSGMTMATERIALCATEGORY TYPE STRING,
DFSASSGMTMATERIALCATEGORYDESC TYPE STRING,
DFSASSGMTMATERIALINDICATORCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IAUTHACACP_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_IAUTHACACP_STR-MANDT sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTNODE sy-vline 
WA_IAUTHACACP_STR-FORCEELEMENTORGSRCEID sy-vline 
WA_IAUTHACACP_STR-FLXBLMATLPLNGOBJECTID sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTUSAGETYPE sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTVALDTYSTRTDATE sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTVALDTYENDDATE sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTSTATUSCODE sy-vline 
WA_IAUTHACACP_STR-FLXBLMATLPLNGOBJDESCRIPTION sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTUUID sy-vline 
WA_IAUTHACACP_STR-FLXBLMATLPLNGOBJECTUUID sy-vline 
WA_IAUTHACACP_STR-FLXBLMATLPLNGOBJVARIANTID sy-vline 
WA_IAUTHACACP_STR-FLXBLMATLPLNGOBJVARIANTUUID sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTSOURCETYPE sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTTYPE sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTNMBROFASSGDMATL sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTMAXNMBROFASSGDMATL sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTMINNMBROFASSGDMATL sy-vline 
WA_IAUTHACACP_STR-FRCELMNTORGPLNGSTATUS sy-vline 
WA_IAUTHACACP_STR-FRCELMNTORGNAME sy-vline 
WA_IAUTHACACP_STR-FRCELMNTORGSTOCKPLANT sy-vline 
WA_IAUTHACACP_STR-FRCELMNTORGSTOCKSTORAGELOC sy-vline 
WA_IAUTHACACP_STR-ACTUALFLXMTPLOBJVARAVAILVAL sy-vline 
WA_IAUTHACACP_STR-GOODSISSUEQTYINBASEUNIT sy-vline 
WA_IAUTHACACP_STR-ACTUALFLXMTPLOBJVARINSTDVAL sy-vline 
WA_IAUTHACACP_STR-REQUESTEDQUANTITY sy-vline 
WA_IAUTHACACP_STR-ORDERQUANTITY sy-vline 
WA_IAUTHACACP_STR-AUTHZDACTLCOMPRNSTSCRITICALITY sy-vline 
WA_IAUTHACACP_STR-AUTHZDACTLCOMPRNSTSDESCRIPTION sy-vline 
WA_IAUTHACACP_STR-SYSTEMSTATUSNAME sy-vline 
WA_IAUTHACACP_STR-FRCELMNTORGPLNGSTATUSNAME sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTCORRECTIONVALUE sy-vline 
WA_IAUTHACACP_STR-ADJUSTEDAUTHZDNMBROFASSGDMATL sy-vline 
WA_IAUTHACACP_STR-DIFFBTWNACTUALANDAUTHORIZEDVAL sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTMATERIALCATEGORY sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTMATERIALCATEGORYDESC sy-vline 
WA_IAUTHACACP_STR-DFSASSGMTMATERIALINDICATORCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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