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   Re: [xml-dev] Streaming XML (WAS: More on taming SAX (was Re: [xml-dev]A

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Michael Champion wrote:

> I'm not sure how that will ever
> change; for example, people are still fiddling with their SQL code and
> table organizations to get optimal performance rather than simply
> trusting the implementations. Why will that be different for
> XPath/XQuery?

I believe Daniela's point is that people shouldn't come up with 
home-brewed XML processing engines nowadays just as nobody's writing 
home-brewed database engines anymore. XML processing shouldn't be a 
matter of art, while it shouldn't perform poorly by default neither.

Imagine a guy who only wants to rename some elements in an XML document. 
SAX filter/custom XmlReader is one way to go, 10-lines XSLT stylesheet 
is another one (and a better one as being declarative).
The sad thing is that XSLT impementations currently aren't smart enough 
to realize that such XML transformation can be done in a streaming way, 
so XSLT way's perf will be definitely worse and XSLT will definitely be 
the one to blame.

Oleg Tkachenko
Multiconn Technologies, Israel


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