Re: [xsl] a sorting conundrum

Subject: Re: [xsl] a sorting conundrum
From: Colin Paul Adams <colin@xxxxxxxxxxxxxxxxxx>
Date: 03 Mar 2005 19:54:28 +0000
>>>>> "Dimitre" == Dimitre Novatchev <dnovatchev@xxxxxxxxx> writes:

    Dimitre> If we want to have a more efficient variant of the above,
    Dimitre> which avoids the translate(), (and we assume an
    Dimitre> intelligent optimizer),

    Dimitre> then the following should be much more efficient:

    Dimitre> substring(., string-length(substring-before(.,' ')) +
    Dimitre> (string-length(substring-before(.,' ')) > 0) )

You can remove that assumption of an intelligent optimizer, by placing
the common sub-expression into a variable.
Colin Paul Adams
Preston Lancashire

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