RE: [xsl] Newbie Key Function issue

Subject: RE: [xsl] Newbie Key Function issue
From: Kurt Geiger <kgeiger@xxxxxxxxxxxxxx>
Date: Fri, 6 Jul 2001 11:09:05 -0400
Good Call on the $EntNode Variable. Much cleaner.  Thanks.  

-----Original Message-----
From: Thomas B. Passin [mailto:tpassin@xxxxxxxxxxxx]
Sent: Friday, July 06, 2001 11:04 AM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [xsl] Newbie Key Function issue

Chances are that what's slow is the '//Entity' construction, given that you
have a lot of Entities.  Rework that expression so that a complete path is
supplied, rather than "//", and see if that doesn't help.  Some processors
are slower than others at evaluating '//' - what are you using?

Also, I see that you use $EntNode/EntityType repeatedly.  Why not make that
a variable of its own so it doesn't need to be evaluated each time?

Tom P

[Kurt Geiger]

> I am using a stylsheet to produce a new XML file from a source file and
> during the transformation lookup nodes in an external document.  The Key
> function works well but it is so SLOWWWWWWWW.  Can anyone take a look
> and see if there is anyway to refine or filter my lookup in order to speed
> this process up??
> Any help would be great.
> I have the following key and reference document in my StyleSheet.
> <?xml version="1.0"?>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="";>
> <xsl:key name="ODCust" match="Entity" use="//Entity/EntityId/@value" />
> <xsl:variable name="CustFile" select="document('ODCust.xml')" />
> <xsl:output omit-xml-declaration="yes" />.......
> I supply the function with a value and change the context using
> <xsl:for-each .....>.
> <xsl:template name="Entities">
> <xsl:variable name = "keyValue" select="//Entity/EntityId" />
> <xsl:for-each select="$CustFile">
> <xsl:variable name="EntNode"
> select="key('ODCust', $keyValue[position()=1])" />
> <xsl:element name="EntityType" >
> <xsl:attribute
> name="value"><xsl:value-of
> select="$EntNode/EntityType/@value"/></xsl:attribute>
> <xsl:attribute
> name="type"><xsl:value-of
> select="$EntNode/EntityType/@type"/></xsl:attribute>
> <xsl:attribute
> name="id"><xsl:value-of select="$EntNode/EntityType/@id"/></xsl:attribute>
> <xsl:attribute
> name="label"><xsl:value-of
> select="$EntNode/EntityType/@label"/></xsl:attribute>
> <xsl:attribute
> name="turnaround"><xsl:value-of
> select="$EntNode/EntityType/@turnaround"/></xsl:attribute>
> <xsl:attribute name="min"
> ><xsl:value-of select="$EntNode/EntityType/@min"/></xsl:attribute>
> <xsl:attribute name="max"
> ><xsl:value-of select="$EntNode/EntityType/@max"/></xsl:attribute>
> <xsl:attribute
> name="elementid">0098</xsl:attribute>
> </xsl:element>
> <!---Bunch More Element Declarations Similar
> to Above etc... -->
> </xsl:for-each>
> </xsl:template>

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