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RE: XPath perfomance in attributes or nodes?

Subject: RE: XPath perfomance in attributes or nodes?
From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx>
Date: Wed, 6 Mar 2002 16:12:59 -0000
xml in attributes or
The difference between your different approaches is almost certainly
negligible. Both will be much slower than using a key definition.

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx

> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Arjé Cahn
> Sent: 06 March 2002 10:39
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  XPath perfomance in attributes or nodes?
>
>
> Hi everyone,
>
> Does anyone have some solid performance figures on using
> XPath on attributes or nodes?
>
> For example, I have the following XML snippet:
>
> 	<projects>
> 		<project uid="{6A97F258-93A7-4C5E-B712-052130A5208C}">
>
> <uid>{6A97F258-93A7-4C5E-B712-052130A5208C}</uid>
> 			<name>The project</name>
> 			<description>This is the project</description>
> 			<startdate>01-01-2002</startdate>
> 		</project>
> 		<project uid="{6A97F258-93A7-4C5E-B712-052130A5208D}">
>
> <uid>{6A97F258-93A7-4C5E-B712-052130A5208D}</uid>
> 			<name>Another project</name>
> 			<description>This is another
> project</description>
> 			<startdate>02-02-2002</startdate>
> 		</project>
> 	</projects>
>
> And I want to select a <project>.
> Is it faster using XPath
> 	projects/project[uid='{6A97F258-93A7-4C5E-B712-052130A5208C}']
> or
> 	projects/project[@uid='{6A97F258-93A7-4C5E-B712-052130A5208C}']
> or even (but this is not always possible)
> 	projects/project[name='The project']
> ???
>
> I will have about 10000+ items.
>
> Regards,
>
> Arjé Cahn
>
>
> ---------------------------------------------------------
> Content Management Department
> Hippo Webworks
> Grasweg 35
> 1031 HW Amsterdam
> The Netherlands
> Tel  +31 (0)20 6345173
> Fax +31 (0)20 6345179
> arje(at)hippo(dot)nl / www.hippo.nl
>
>
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list
>


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