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From Thomas Dudziak <to...@first.fhg.de>
Subject Re: Proposal to get rid of ojbConcreteClass
Date Sat, 07 Aug 2004 14:27:40 GMT
Brian McCallister wrote:

> +1 for selector element. It feels similar to how we do extents now.
> 
> Something to consider -- may be worth looking at how JDO 2.0 mapping  
> handles it.

It uses the same approach as we do: a discriminator column specifies the 
class that the row belongs to (see 15.7 Inheritance in JDO2 spec).

Tom

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