Re: [bdbxml] Modifier query

Hi Antony,

This error only occurs when you try to make a modification to a value 
that isn't a node. However, this could be a value selected by the 
expression you pass to the XmlModify::addAppendStep() method, not just 
the value that you pass into XmlModify::execute() - so maybe that is 
your problem?

John

Antony Grinyer wrote:
> Hi,
> 
> I'm trying to do a simple modification query using the 'addAppendStep'
> method of the DB XML modifier API. I've used this successfully in the
> past, however for a recent implementation, I keep getting this error:
> 
> Error: XmlModify::execute: Cannot perform a modification on an XmlValue
> that isn't either Node or Document type, errcode = INVALID_VALUE, error
> code 0
> 
> Does anyone know what this means? The XmlValue which is passed to the
> addAppendStep method is a simple well-formed document...I'm not sure why
> this isn't working when it has worked before. The errcode =
> INVALID_VALUE suggests that XML passed into the addAppendStep is
> invalid, but I can't see how as it's a simple well formed instance? Am I
> missing something here?
> 
> Any advice/help well very appreciated?
> Thanks,
> Ant
> 
> 
> 
> 
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-- 
John Snelson, Berkeley DB XML Engineer
Sleepycat Software, Inc
http://www.sleepycat.com

Contracted to Sleepycat through Parthenon Computing Ltd
http://blog.parthcomp.com/dbxml


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