Hi all,
I've been looking through the documentation but not seeing (probably overlooking!) something on accessing paths in a database.
If I create a db from the following directory structure:
top-level/ dir-a/ sub-1/ file.xml sub-2/ file.xml dir-b/ sub-1/ file.xml sub-2/ file.xml dir-c/ ...etc... ...etc...
is there a way to selectively process based on the path `top-level/dir-a`? I've been attempting some things along the following:
for $doc in fn:collection('test-db') return switch(db:path($doc)) case fn:matches(.,'dir-a') return <something/> detault case <something-else/>
but db:path returns a sequence. I've also tried something similar with $paths in db:open('test-db', $paths) but have had some difficulties with that as well.
I've noticed a section on the Document Index [1], but I'm not sure how to access it.
Honestly, I'm not sure if that's even the best approach to handling the vague idea I have bouncing around in my head. From a "large" database with many paths, I'd like to be able to selectively apply certain queries to some and other queries to the remainder.
I hope that makes some sense. Thank you in advance for any pointers. Best, Bridger
Hi Bridger,
Sorry for letting you wait.
is there a way to selectively process based on the path `top-level/dir-a`?
This should work (as long as you have a static path pattern):
db:open('test-db', 'top-level/dir-a') collection('test-db/top-level/dir-a')
for $doc in fn:collection('test-db') return switch(db:path($doc)) case fn:matches(.,'dir-a') return <something/> detault case <something-else/>
but db:path returns a sequence.
Are you sure? This would be a bug then (the function is expected to always return a single string). Do you have a little example?
Cheers, Christian
basex-talk@mailman.uni-konstanz.de
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Bridger Dyson-Smith -
Christian Grün