Hi Gregg,
*se:get-property()* fuction can be used only to get user name at present
(se:get-property('$user')).
You should run the following query to retrieve available documents:
*doc('$documents')*
Ivan Shcheklein
Sedna Team
On Sat, Nov 7, 2009 at 10:06 AM, Gregg Williams <[email protected]>wrote:
> Hi! I'm a new Sedna user, programming in Scheme on a MacOS X computer.
> I'm having a problem accessing the se:get-property function, as
> described in http://modis.ispras.ru/sedna/progguide/ProgGuidesu8.html.
>
> I have a function that enables me to execute arbitrary XQuery query
> strings (it's a modification of a function known to work):
>
> ;--------------------------
> (define (infoml:run-XQuery-query2 the-query)
> (sedna:begin-transaction *infoml:Sedna-connection*)
> (let* ((prefix "declare namespace se = 'http://
> www.modis.ispras.ru/sedna' <http://www.modis.ispras.ru/sedna%27>;\n")
> (result (sedna:result->list
> (sedna:execute-query *infoml:Sedna-connection*
> (string-append prefix the-query)))))
> (sedna:end-transaction *infoml:Sedna-connection* 'COMMIT)
> result))(define (infoml:run-XQuery-query2 the-query)
> (sedna:begin-transaction *infoml:Sedna-connection*)
> (let* ((prefix "declare namespace se = 'http://
> www.modis.ispras.ru/sedna' <http://www.modis.ispras.ru/sedna%27>;\n")
> (result (sedna:result->list
> (sedna:execute-query *infoml:Sedna-connection*
> (string-append prefix the-query)))))
> (sedna:end-transaction *infoml:Sedna-connection* 'COMMIT)
> result))
> ;--------------------------
>
>
>
> When I execute various queries, I get two different error codes:
>
> ;--------------------------
> > (infoml:run-XQuery-query2 "se:get-property($documents as xs:string)
> as item();")
> uncaught exception: ((#<procedure:condition?> (exn message "Server
> reported of an error: SEDNA Message: ERROR XPST0003\nIt is a static
> error if an expression is not a valid instance of the grammar defined
> in A.1 EBNF.\nDetails: unexpected token: 'as', line: 2\n")))
>
> > (infoml:run-XQuery-query2 "se:get-property($documents);")
> uncaught exception: ((#<procedure:condition?> (exn message "Server
> reported of an error: SEDNA Message: ERROR XPST0003\nIt is a static
> error if an expression is not a valid instance of the grammar defined
> in A.1 EBNF.\nDetails: unexpected token: ';', line: 2\n")))
>
> > (infoml:run-XQuery-query2 "se:get-property($documents)")
> uncaught exception: ((#<procedure:condition?> (exn message "Server
> reported of an error: SEDNA Message: ERROR XPST0008\nIt is a static
> error if an expression refers to an element name, attribute name,
> schema type name, namespace prefix, or variable name that is not d...
>
> > (infoml:run-XQuery-query2 "se:get-property($documents)\n")
> uncaught exception: ((#<procedure:condition?> (exn message "Server
> reported of an error: SEDNA Message: ERROR XPST0008\nIt is a static
> error if an expression refers to an element name, attribute name,
> schema type name, namespace prefix, or variable name that is not d...
> ;--------------------------
>
>
>
> As you can see, I am unsure as to whether the query string needs to
> end with either a semicolon or "\n", but neither seems to be the root
> cause of the error.
>
> What am I doing wrong? Thank you for taking the time to respond.
>
> --Gregg
>
>
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