----- Original Message ----- From: "Kimbro Staken" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, February 21, 2002 6:39 PM Subject: Re: QUERIES: NS-Attribute Predicates in the Root Node / Returning Attribute Nodes
> > On Wednesday, February 20, 2002, at 01:07 PM, Benjamin Hood wrote: > > > Hi, > > > > I am trying out Xindice rc 1.0 and have noticed that two types of XPath > > Queries aren't working for me: > > > > 1. Applying Predicates to the attributes of document root nodes: > > > > Not sure about this, may be a bug. > > > eg: /[EMAIL PROTECTED]:foo] > > > > returns nothing, whereas quering the root, > > > > ie / > > > > returns the expected document > > > > <root xmlns:foo="http://bar";> > > ....other nodes > > </root> > > > > This kind of predicate works fine on nodes other than the root. > > > > 2. Returning just the value of Attribute Nodes > > This is a known problem. You can work around it for now by retrieving the > node and extracting the attribute. You'll have the problem with any query > that returns an atomic value rather then a node of some type. Obvoiusly this would a quick solution, but I would be more interested in working on a more long term solution. Other than that, it's work that a backend should be doing. Maybe you could let me know where this has been implemented so that I could weigh up the option of fixing the problem on the xindice side.... > > > > > Using attributes as predicates works fine, > > > > eg //[EMAIL PROTECTED] > > or //[EMAIL PROTECTED]'someType'] > > > > > > But trying to just return the attribute axis doesn't seem to work: > > > > eg //*/@type > > > > I've also noticed that trying to return > > > > text() > > namespace() > > > > yields nothing. > > > > Does anybody know the trick? > > > > Cheers > > > > Ben > > > > > Kimbro Staken - http://www.kstaken.org - http://www.xmldatabases.org > Apache Xindice native XML database http://xml.apache.org > XML:DB Initiative http://www.xmldb.org > Senior Technologist (Your company name here) >
