On 03 Mar 2005 19:54:28 +0000, Colin Paul Adams
<colin(_at_)colina(_dot_)demon(_dot_)co(_dot_)uk> wrote:
"Dimitre" == Dimitre Novatchev <dnovatchev(_at_)gmail(_dot_)com> 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.
Not in this case -- it is not possible to have an xsl:variable as a
preceding-sibling of an xsl:sort.
Sorry.
Cheers,
Dimitre
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