[MarkLogic Dev General] Using xdmp:replace to replacing empty node?

[Eric Palmitesta]

Oh, forgot to mention, there's a library in the xquery commons written 
to operate on in-memory nodes:

http://xqzone.marklogic.com/svn/commons/trunk/memupdate/

EP

Eric Palmitesta wrote:
> I believe xdmp:node-replace only works on nodes in the database.  In 
> other words, this won't work...
> 
> let $x := <hello/>
> let $y := xdmp:node-replace($x, <goodbye/>)
> return $x
> 
> ...because I just constructed $x on the fly (in memory).
> 
> This will work, though:
> 
> let $x := doc('/path/to/file.xml')/xpath/to/hello
> (: assume $x is now <hello/> :)
> let $y := xdmp:node-replace($x, <goodbye/>)
> 
> Note xdmp:node-replace returns empty(), so in both cases $y will be (), 
> I'm just using it to do some work.
> 
> Cheers,
> 
> Eric
> 
> Schwartz, Christine wrote:
>> I wrote this post without enough coffee this morning.
>>
>> I meant xdmp:node-replace.
>>
>> Thanks,
>>  
>> Chris
>>
>> Christine Schwartz
>> Metadata Librarian
>> Princeton Theological Seminary Libraries
>>  
>>  
>> ________________________________________
>> From: general-bounces at developer.marklogic.com 
>> [mailto:general-bounces at developer.marklogic.com] On Behalf Of 
>> Schwartz, Christine
>> Sent: Wednesday, February 11, 2009 10:00 AM
>> To: general at developer.marklogic.com
>> Subject: [MarkLogic Dev General] Using xdmp:replace to replacing empty 
>> node?
>>
>> Hi,
>>
>> I am new to this list and new to XQuery and Mark Logic.
>>
>> Can I use xdmp:replace on an empty node: <dc:relation/>?
>>
>> I'm getting the error message "Cannot update constructed nodes."
>>
>> I've used this function before to without any problem.
>>
>> Thanks,
>>  
>> Chris
>>  
>> Christine Schwartz
>> Metadata Librarian
>> Princeton Theological Seminary Libraries
>> christine.schwartz at ptsem.edu
>> (609) 497-7938
>>
>>
>> _______________________________________________
>> General mailing list
>> General at developer.marklogic.com
>> http://xqzone.com/mailman/listinfo/general
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