Re: [bdbxml] fn:id() problem

Tobias,

A document must have either a DTD or schema in
order to have an attribute that is an ID.

I do not know why this works with XMLSpy, unless they
implicitly cast all attributes named "id" to ID.

If you want good performance searching for attributes
in BDB XML, you can add an index on the id attribute
(in dbxml shell syntax):
dbxml> addIndex "" id edge-attribute-equality-string

Then you can query for it using normal attribute syntax.

Regards,

George

> Hi,
>
> I use PHP and have a problem with the fn:id() function. I always  
> get the
> error message "undefined context item in fn:id [err:F0N0001]". The  
> same
> query executes well in Altova XMLSpy, so I am confused.
>
> My code looks something like this:
> <root>
>    <child id="someid">
> 	<subchild />
>    </child>
>    <child id="someotherid">
> 	<subchild />
>    </child>
> </root>
>
> $manager = newXmlManager();
> $container = $manager->openContainer("container.dbxml");
>
> $results = $manager->query(
> "for \$x in collection('container.dbxml')//root
> return fn:id('someid')");
>
> What is wrong? Other XQueries work well, but not fn:id()...
>
> Thank you,
>   Tobias Neumann
>
>
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