Re: optimization of complex XPath

to my mind using Native XML Database is best solution for this case -
see http://exist-db.org (for example)

2010/11/19 Wolfgang Laun <wolfgang.laun@xxxxxxxxx>:
> On 19 November 2010 11:19, Graydon <graydon@xxxxxxxxx> wrote:
>>
>> I am reluctant to approach the problem with xsl:key because I have about
>> 90,000 individual files in a complex directory structure and I would
>> need a key over all of them, rather than each of them.
>>
>> Since far as I know -- and happy to be wrong! -- I can't declare a key
>> over a collection, so this approach would require concatenating all of
>> the files together.  Which is certainly doable but also inherently
>> sluggish.
>>
>
> So the initially posted loop will have to be extended to iterate over
> 90,000 files...?
> -W