Hi Florent,
Have you looked into cts:element-query? You pass it a sub query that will be
constrained to the contents of an element with that name. Something like:
Cts:element-query(xs:Qname("foo"), cts:element-value-query(xs:QName('bar'),
'one'))
Note though: it is not identical; it also matches bar descendants that are not
direct child of foo.
Kind regards,
Geert
>
drs. G.P.H. (Geert) Josten
Consultant
Daidalos BV
Hoekeindsehof 1-4
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T +31 (0)10 850 1200
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mailto:geert.jos...@daidalos.nl
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> From: general-boun...@developer.marklogic.com
> [mailto:general-boun...@developer.marklogic.com] On Behalf Of
> Florent Georges
> Sent: vrijdag 12 november 2010 12:52
> To: MarkLogic General ML
> Subject: [MarkLogic Dev General] CTS search: using a precise path
>
> Hi,
>
> When using cts:element-value-query, we match any descendent
> of a given name. Is there any way to restrict the position
> of a matching element, e.g. to be a grand-child of a given child?
>
> Context and example: I am using a CTS search to search
> through the entire database. Let's say I have documents of the form:
>
> <doc>
> <foo>
> <bar>...</bar>
> </foo>
> <fooz>
> <baz>...</baz>
> </fooz>
> </doc>
>
> So if I want to get all doc elements where foo/bar is equal
> to 'one', I can use the following:
>
> cts:search(
> /doc/foo,
> cts:element-value-query(xs:QName('bar'), 'one'))/..
>
> If I want the doc elements where foo/bar is equal to 'one'
> and where fooz/baz is equal to 'two', I can use the following:
>
> cts:search(
> /doc,
> cts:and-query((
> cts:element-value-query(xs:QName('bar'), 'one'),
> cts:element-value-query(xs:QName('baz'), 'two'))))
>
> This search is fine as long as we have bar elements only at
> the exact position /doc/foo/bar, and as long as we have baz
> elements only at the position /doc/fooz/baz. If they can be
> at different locations, then the search will return false positive.
>
> I can of course filter them again using plain predicates,
> but that's really doing twice the same work and that works
> only if there are not 1 zillion false positive matches. So
> the questio
> is: is there anything equivalent to the following, to anchor
> exactly a match within its parent/ancestor:
>
> cts:search(
> /doc,
> cts:and-query((
> cts:path-value-query('foo/bar', 'one'),
> cts:path-value-query('fooz/baz', 'two'))))
>
> Regards,
>
> --
> Florent Georges
> http://fgeorges.org/
>
>
>
>
>
> _______________________________________________
> General mailing list
> General@developer.marklogic.com
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>
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