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Re: key declarations (using a sequence constructor)

Subject: Re: key declarations (using a sequence constructor)
From: Martin Honnen <Martin.Honnen@xxxxxx>
Date: Wed, 07 Oct 2009 13:27:45 +0200
Re:  key declarations (using a sequence constructor)
Andy Chambers wrote:

It does, thanks.  So what do people usually do when they want to key
an element on multiple
attributes?  Do they just make a string with some kind of separator
breaking up the attributes?
Isn't there a chance of this failing if the character used for the
separator is used in one or more
of the attributes?

<xsl:key match="name"
              use="string-join((@oid, @parent-oid), '|')"/>

Do you want one key value that is the concatenation of the two attribute values?
Or do you want each attribute value to serve as a key?
In the latter case you can simply do
use="@oid, @parent-oid"

In the first case you will need to concatenate with a separator character which you know will not be in any attribute value.


	Martin Honnen

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