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From Stephen Winnall <>
Subject Cayenne, XML objects and JDBC 4
Date Fri, 12 Sep 2008 23:42:52 GMT
I have just discovered Cayenne and would love to use it for a project  
I am working on, but I can't find a way to do something which is  
essential for the project: I want to be able to store and manipulate  
XML objects in the database via JDBC 4. I'm currently using PostgreSQL  
8.3 and have managed to create an XML attribute in a table which other  
Java programs can access, but the Cayenne Modeller can't see it. I'm  
using the latest JDBC 4 from PostgreSQL (8.3-603), and SQuirreL-SQL  
and Aqua Data Studio can see the XML attribute. Cayenne Modeller  
3.0M4, using the same JDBC 4 JAR, cannot see the attribute. (Just to  
complete the picture, I'm running under Mac OS X 10.5 with Java 1.5).

Am I right in assuming that Cayenne has not yet implemented access to  
XML attributes? Is there a known timescale for remedying this? Or can  
someone point me at a dummy's guide to how to do it with Cayenne?

I was trying to decide whether to use Hibernate or iBatis when I  
discovered Cayenne. If Cayenne isn't going to support XML attributes  
via JDBC 4 in the short term I'll have to go back to one of the other  
two. With regret, be it said, because Cayenne seems to be a great  
little product.


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