ABAP Select data from SAP table IOUTREQITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IOUTREQITEM
*  INTO TABLE @DATA(IT_IOUTREQITEM2).
*--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_IOUTREQITEM INDEX 1 INTO DATA(WA_IOUTREQITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IOUTREQITEM>-MANDT = 1.
<IOUTREQITEM>-OUTPUTREQUESTITEMUUID = 1.
<IOUTREQITEM>-OUTPUTREQUESTUUID = 1.
<IOUTREQITEM>-OUTPUTCONTROLAPPLOBJECTTYPE = 1.
<IOUTREQITEM>-OUTPUTCONTROLAPPLICATIONOBJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IOUTREQITEM-OUTPUTREQUESTITEM, sy-vline,
  WA_IOUTREQITEM-OUTPUTREQUESTITEMSTATUS, sy-vline,
  WA_IOUTREQITEM-OUTPUTDOCUMENTTYPE, sy-vline,
  WA_IOUTREQITEM-RECIPIENT, sy-vline,
  WA_IOUTREQITEM-RECIPIENTROLE, sy-vline,
  WA_IOUTREQITEM-OUTPUTCHANNEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IOUTREQITEM 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_IOUTREQITEM 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_IOUTREQITEM INTO WA_IOUTREQITEM.


*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.

*Conversion exit ALPHA, internal->external for field OUTPUTREQUESTITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IOUTREQITEM-OUTPUTREQUESTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOUTREQITEM-OUTPUTREQUESTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECIPIENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IOUTREQITEM-RECIPIENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOUTREQITEM-RECIPIENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field FORMTEMPLATELANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_IOUTREQITEM-FORMTEMPLATELANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOUTREQITEM-FORMTEMPLATELANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field SENDEREMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_IOUTREQITEM-SENDEREMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOUTREQITEM-SENDEREMAILADDRESS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IOUTREQITEM_STR, 
MANDT TYPE STRING,
OUTPUTREQUESTITEMUUID TYPE STRING,
OUTPUTREQUESTUUID TYPE STRING,
OUTPUTCONTROLAPPLOBJECTTYPE TYPE STRING,
OUTPUTCONTROLAPPLICATIONOBJECT TYPE STRING,
OUTPUTREQUESTITEM TYPE STRING,
OUTPUTREQUESTITEMSTATUS TYPE STRING,
OUTPUTDOCUMENTTYPE TYPE STRING,
RECIPIENT TYPE STRING,
RECIPIENTROLE TYPE STRING,
OUTPUTCHANNEL TYPE STRING,
FORMTEMPLATE TYPE STRING,
FORMTEMPLATETYPE TYPE STRING,
FORMTEMPLATELANGUAGE TYPE STRING,
FORMTEMPLATECOUNTRY TYPE STRING,
SENDERORGANIZATIONALCENTER TYPE STRING,
SENDERORGANIZATIONALCENTERTYPE TYPE STRING,
SENDERORGANIZATIONALUNIT TYPE STRING,
SENDERORGANIZATIONALUNITTYPE TYPE STRING,
SENDERCOUNTRY TYPE STRING,
SENDEREMAILADDRESS TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
TOTALPAGENUMBER TYPE STRING,
ISCHANGEDOCUMENT TYPE STRING,
DISPATCHTIME TYPE STRING,
OUTPUTREQUESTITEMREFUUID TYPE STRING,
EMAILTEMPLATE TYPE STRING,
EMAILSUBJECTTEXT TYPE STRING,
EMAILBODYTEXT TYPE STRING,
PRINTQUEUE TYPE STRING,
PRINTCOPYNUMBER TYPE STRING,
PRINTINGMETHOD TYPE STRING,
XMLMESSAGE TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
KNOWLEDGEPROVIDEROBJECTCAT TYPE STRING,
KNOWLEDGEPROVIDEROBJECT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IOUTREQITEM_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_IOUTREQITEM_STR-MANDT sy-vline 
WA_IOUTREQITEM_STR-OUTPUTREQUESTITEMUUID sy-vline 
WA_IOUTREQITEM_STR-OUTPUTREQUESTUUID sy-vline 
WA_IOUTREQITEM_STR-OUTPUTCONTROLAPPLOBJECTTYPE sy-vline 
WA_IOUTREQITEM_STR-OUTPUTCONTROLAPPLICATIONOBJECT sy-vline 
WA_IOUTREQITEM_STR-OUTPUTREQUESTITEM sy-vline 
WA_IOUTREQITEM_STR-OUTPUTREQUESTITEMSTATUS sy-vline 
WA_IOUTREQITEM_STR-OUTPUTDOCUMENTTYPE sy-vline 
WA_IOUTREQITEM_STR-RECIPIENT sy-vline 
WA_IOUTREQITEM_STR-RECIPIENTROLE sy-vline 
WA_IOUTREQITEM_STR-OUTPUTCHANNEL sy-vline 
WA_IOUTREQITEM_STR-FORMTEMPLATE sy-vline 
WA_IOUTREQITEM_STR-FORMTEMPLATETYPE sy-vline 
WA_IOUTREQITEM_STR-FORMTEMPLATELANGUAGE sy-vline 
WA_IOUTREQITEM_STR-FORMTEMPLATECOUNTRY sy-vline 
WA_IOUTREQITEM_STR-SENDERORGANIZATIONALCENTER sy-vline 
WA_IOUTREQITEM_STR-SENDERORGANIZATIONALCENTERTYPE sy-vline 
WA_IOUTREQITEM_STR-SENDERORGANIZATIONALUNIT sy-vline 
WA_IOUTREQITEM_STR-SENDERORGANIZATIONALUNITTYPE sy-vline 
WA_IOUTREQITEM_STR-SENDERCOUNTRY sy-vline 
WA_IOUTREQITEM_STR-SENDEREMAILADDRESS sy-vline 
WA_IOUTREQITEM_STR-APPLICATIONLOGHANDLE sy-vline 
WA_IOUTREQITEM_STR-TOTALPAGENUMBER sy-vline 
WA_IOUTREQITEM_STR-ISCHANGEDOCUMENT sy-vline 
WA_IOUTREQITEM_STR-DISPATCHTIME sy-vline 
WA_IOUTREQITEM_STR-OUTPUTREQUESTITEMREFUUID sy-vline 
WA_IOUTREQITEM_STR-EMAILTEMPLATE sy-vline 
WA_IOUTREQITEM_STR-EMAILSUBJECTTEXT sy-vline 
WA_IOUTREQITEM_STR-EMAILBODYTEXT sy-vline 
WA_IOUTREQITEM_STR-PRINTQUEUE sy-vline 
WA_IOUTREQITEM_STR-PRINTCOPYNUMBER sy-vline 
WA_IOUTREQITEM_STR-PRINTINGMETHOD sy-vline 
WA_IOUTREQITEM_STR-XMLMESSAGE sy-vline 
WA_IOUTREQITEM_STR-CREATIONDATETIME sy-vline 
WA_IOUTREQITEM_STR-CREATEDBYUSER sy-vline 
WA_IOUTREQITEM_STR-LASTCHANGEDATETIME sy-vline 
WA_IOUTREQITEM_STR-LASTCHANGEDBYUSER sy-vline 
WA_IOUTREQITEM_STR-KNOWLEDGEPROVIDEROBJECTCAT sy-vline 
WA_IOUTREQITEM_STR-KNOWLEDGEPROVIDEROBJECT sy-vline      INTO ld_text SEPARATED BY SPACE.

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