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RE: XPath perfomance in attributes or nodes?
- From: "Michael Kay" <michael dot h dot kay at ntlworld dot com>
- To: <xsl-list at lists dot mulberrytech dot com>
- Date: Wed, 6 Mar 2002 16:12:59 -0000
- Subject: RE: [xsl] XPath perfomance in attributes or nodes?
- Reply-to: xsl-list at lists dot mulberrytech dot com
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@ntlworld.com
work: Michael.Kay@softwareag.com
> -----Original Message-----
> From: owner-xsl-list@lists.mulberrytech.com
> [mailto:owner-xsl-list@lists.mulberrytech.com]On Behalf Of Arjé Cahn
> Sent: 06 March 2002 10:39
> To: xsl-list@lists.mulberrytech.com
> Subject: [xsl] 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
>
>
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