• To: Michael Kay <mike@s...>
• Subject: Re: XPath and XPattern (was Re: More on tamingSAX)
• From: Oleg Tkachenko <oleg@t...>
• Date: Thu, 23 Dec 2004 22:26:34 +0200
• Cc: 'David Megginson' <david.megginson@g...>, xml-dev@l...
• In-reply-to: <E1ChXnb-0004PJ-00@u...>
• Organization: Multiconn Technologies
• References: <E1ChXnb-0004PJ-00@u...>
• User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.7.3) Gecko/20040910

Michael Kay wrote:

> Uche: are your XPatterns full XSLT patterns? That is, can they include any
> XPath expression within a predicate? Or are they more like the subset of
> XPath used in XML Schema uniqueness constraints, which is designed for
> serial on-the-fly evaluation and doesn't allow predicates at all?

It would be really nice to have such streamable XPath subset strictly 
defined (and probably with different name). Many attempts to implement 
XPath in a streaming way, such as Microsoft's XPathReader [1] (which is 
actually used in Biztalk internally) are hardly widely usable primarily 
because of proprietary XPath subsetting.

[1] http://workspaces.gotdotnet.com/xpathreader
-- 
Oleg Tkachenko
http://blog.tkachenko.com
Multiconn Technologies, Israel

• Follow-Ups:
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    • From: Kevin Jones <kjouk@y...>
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    • From: Christian Nentwich <christian@s...>
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    • From: David Megginson <david.megginson@g...>

• References:
  • RE: XPath and XPattern (was Re: More on taming SAX)
    • From: "Michael Kay" <mike@s...>

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