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David Carlisle writes:
personally I'd just use <xsl:sequence select="$s=$stops"/>
and leave it to the query optimiser to make this common requirement
efficient rather than using a more complicated idiom and then hoping
the query optimiser recognises it.
That is only 1ms faster on average that the "some $s . . ."
alternative, i.e. still more than a factor of 4 slower than the
fastest version.
I'll try Dimitri's binary version tomorrow. . .
ht
- --
Henry S. Thompson, School of Informatics, University of Edinburgh
10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 651-1426, e-mail:
ht(_at_)inf(_dot_)ed(_dot_)ac(_dot_)uk
URL: http://www.ltg.ed.ac.uk/~ht/
[mail from me _always_ has a .sig like this -- mail without it is forged spam]
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