[xquery-talk] get highest number
john.snelson at oracle.com
Wed May 14 15:24:01 PDT 2008
Michael Kay wrote:
>> this makes it slightly faster, but still takes around 30 seconds...
>> Then it is probably better to retieve all IDs and to process
>> the max value in my application afterwards.
> Or switch to a better XQuery processor. I find it hard to imagine why a
> product should take noticeably longer to evaluate max(//@id) than it takes
> to evaluate //@id.
I can imagine all sorts of reasons. Maybe //@id is an index lookup, but
max(//@id) involves looking up the value of the "id" attribute in the
What XQuery implementation is being used here?
John Snelson, Oracle Corporation http://snelson.org.uk/john
Berkeley DB XML: http://oracle.com/database/berkeley-db/xml
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