Problem with oxf:xmlFragment type in oxf:sql processor

> Hello,
>
> For few days I'm testing the OPS 3.0 in context of integration with Oracle 10g database. I've tried the following pipline in XPL Sandbox example application and recived such error:
>
> XForms error: Illegal XML type for SQL type: {http://www.orbeon.com/oxf/processors}xmlFragment, CLOB
>
> When xmlFragment is replaced with xs:String then an output stated below is generated.
>
> <rows>
>   <row>
> <CustomerContact><FirstName>first</FirstName><LastName>last</LastName><EmailAddress>[hidden email]</EmailAddress></CustomerContact>
>   </row>
> </rows>
>
> I'm interested in reciving formated xml from database CLOB/XmlType column insead of a plain text.
> Does someone have any idea how to resolve this issue?
>
> Best regards
> £ukasz
>
> Here is the pipeline definition:
>
> <p:config xmlns:p="http://www.orbeon.com/oxf/pipeline"
>           xmlns:sql="http://orbeon.org/oxf/xml/sql"
>           xmlns:xs="http://www.w3.org/2001/XMLSchema"
>           xmlns:oxf="http://www.orbeon.com/oxf/processors">
>
>   <p:param name="data" type="input"/>
>   <p:param name="data" type="output"/>
>
>   <p:processor name="oxf:sql">
>      <p:input name="config">
>         <sql:config>                
>             <sql:connection>
>                 <sql:datasource>myorbeon</sql:datasource>    <sql:execute xmlns:sql="http://orbeon.org/oxf/xml/sql">
>                         <sql:query>
>                            select * from orbeon_test
>                         </sql:query>
>
>                         <sql:result-set>
>                            <rows>
>                               <sql:row-iterator>
>                                   <row>
>                                      <sql:get-column-value type="oxf:xmlFragment" column="clob_col"/>
>                                     </row>
>                                 </sql:row-iterator>
>                             </rows>
>                             </sql:result-set>
>                         </sql:execute>                        
>                     </sql:connection>
>             </sql:config>
>         </p:input>
>         <p:output name="data" ref="data"/>
>     </p:processor>
>
> </p:config>
>
>
> ------------------------------------------------------------------------
>
>
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