+1 for a an element name (and attribute name, and namespace URI) lexicon.
---
Ron Hitchens {[email protected]} +44 7879 358212
On Jan 8, 2014, at 5:43 PM, Justin Makeig <[email protected]> wrote:
> Rachel,
> There’s currently no way to resolve such a query out of MarkLogic’s indexes.
> XPath can describe such queries
>
> //*[matches(local-name(.), "foo"]
>
> However, that won’t scale for a large database because that XPath will
> require reading the documents themselves, rather than an index, like you’d
> have with a word-query, for example. I’m tracking this request and other
> similar ones, but I can’t make any promises about if and when we might add
> this capability to the database.
>
> In the meantime, I’d suggest you do some sampling. Select a small(ish) number
> of documents, randomly or by some other query logic and do some XPath inquiry
> on that smaller set.
> Something like:
>
> distinct-values(
> cts:search(collection(), cts:and-query(()),
> ("unfiltered","score-random"))[1 to 100]
> //*[matches(local-name(.), "Address$")]/xdmp:path(.)
> )
>
> where I’m getting the distinct paths of all of the elements whose local names
> than end with the string “Address” (e.g. StreetAddress, FullAddress). Again,
> this type of query will be expensive on a large set of documents. I’ve
> limited my input to the first 100 randomly selected. If you have more smarts
> about the query you could do to select the universe of documents, even better
> (cts:and-query(()) means select everything).
>
> Justin
>
>
>
> On Jan 8, 2014, at 7:23 AM, Rachel Wilson <[email protected]>
> wrote:
>
>> Is there a way of listing all the paths to wildcarded element name? Either
>> using a FLOWR expression or cts:search.
>>
>> i.e. I would like to find all elements with a name that contains a
>> wildcarded string because I'm unsure of the name of an element or where it
>> is. And the most useful think I can think of to return would be the path to
>> all elements (or attributes?) that contain that string.
>>
>> I found this document that talks about name() vs local-name() or
>> node-name(), and these return a QName, and I found xdml:path which would
>> return a path given a node, so what I think I need is something like
>> node-name but returns the node which I could pass to xdml:path.
>>
>> Otherwise I'm aware of term lists and the universal index but I can't find
>> out how to query them. I guess I'm looking for something akin to the
>> USER_TAB_COLUMNS dictionary table in Oracle.
>>
>> Many thanks and happy new year,
>> Rachel
>>
>>
>> ----------------------------
>>
>> http://www.bbc.co.uk
>> This e-mail (and any attachments) is confidential and may contain personal
>> views which are not the views of the BBC unless specifically stated.
>> If you have received it in error, please delete it from your system.
>> Do not use, copy or disclose the information in any way nor act in reliance
>> on it and notify the sender immediately.
>> Please note that the BBC monitors e-mails sent or received.
>> Further communication will signify your consent to this.
>> ---------------------
>> _______________________________________________
>> General mailing list
>> [email protected]
>> http://developer.marklogic.com/mailman/listinfo/general
>
> _______________________________________________
> General mailing list
> [email protected]
> http://developer.marklogic.com/mailman/listinfo/general
_______________________________________________
General mailing list
[email protected]
http://developer.marklogic.com/mailman/listinfo/general
