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Re: Problems using ozone as a xml repository
On Thu, 07 Dec 2000, Mamei Marco wrote:
> Hi,
> I would like to use ozone as a xml repository to hold a lot of xml document.
> In order to perform xpath query on the whole archive I would like to create
> a BIG xml document structured like this one:
> <repository>
> <doc>
> .....
> </doc>
> ....
> <doc>
> .....
> </doc>
>
> </repository>
>
> Is is the right method to procede or is there a better approach?
Prowler (http://infozone-group.org) does exactly this. But it is probably to
big for what you are trying to do. So yes, your approach might work well.
> I know that DOM standard libraries require to load completely the document
> in ram, so a document like the one I would like to create
> cannot be handled in such way. Is ozone able to manipulate a file bigger
> than the ram available?
Yes.
>
> I tryed to implement the previous idea, but I had some problems:
> I stored in the db a document like this one:
>
> <xml version="1.0">
> <repository>
> </repositiry>
>
> then I tryed to add other docs by Xupdate command. I used the following
> Xupdate query:
>
> <lexus:modifications version="1.0"
> xmlns:lexus="http://www.xmldb.org/xupdate">
> <lexus:append select="/xmlrepository" child="last()">
> <lexus:element name="article">
> .........
> </lexus:element>
> </lexus:append>
> </lexus:modifications>
>
> Now the first time it works, then it overwrites the previously written
> article.
> What is wrong with this Xupdate?
I will check this and back to you.
Falko
--
______________________________________________________________________
Falko Braeutigam mailto:falko@smb-tec.com
SMB GmbH http://www.smb-tec.com