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From Peter Schröder <>
Subject AW: Datanode -> XML
Date Fri, 09 Mar 2007 10:33:59 GMT

as for your testing-idea. i think there is a test-library for xml-data driven testing, but
i cannot remember the name... 

-----Ursprüngliche Nachricht-----
Von: Aristedes Maniatis [] 
Gesendet: Freitag, 9. März 2007 11:25
Betreff: Datanode -> XML

I am looking at a way to export and import data from a Derby  
database. Built into Derby itself is a tool which exports CSV or tab  
delimited data, but this has a range of problems with binary data and  
with compatibility across platforms and different databases, as well  
as across upgrades of the schema.

Another option is to use Cayenne itself to perform the migration,  
with an XML dataNode as the repository for the data. I know that EOF  
does this sort of thing natively, but I don't believe XML datanodes  
are available in Cayenne. Has anyone attempted something similar with  
one of the JDBC-XML drivers (for example:

Speed is likely to be awful, but that is OK for this purpose. It also  
comes to mind that this approach might be a great way to write unit  
tests for our system, testing the code against a standard set of  
sample data.

Ari Maniatis

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