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From Andrus Adamchik <>
Subject Re: Vertical inheritance
Date Sat, 05 Jun 2010 01:17:12 GMT
I suspected it all along - Cayenne 3.0 fully supports vertical  
inheritance, and we didn't even know that ourselves :-)

I just wrote a few tests using "single table inheritance with  
flattened attributes" approach. All of them passed without changing a  
single line of code in Cayenne. I am still going to test attribute  
overrides, and maybe a few odd relationship scenarios and we may need  
that performance optimization patch to scale to hundreds of  
subclasses, but... it just works the way it is.

Looks like we have a killer new feature to announce in 3.0.1 ;-)


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