Re: Setting up horizontal inheritance
Re: Setting up horizontal inheritance
- Subject: Re: Setting up horizontal inheritance
- From: Ken Anderson <email@hidden>
- Date: Mon, 3 Nov 2008 08:51:43 -0500
On Nov 3, 2008, at 12:29 AM, Chuck Hill wrote:
I've made Person abstract in the model. I've deleted the redundant
EO (AMUserPreference), and UserPreference (which is in the same
framework as Person) points to the abstract Person entity. I no
longer generate a 'person' table, as I won't be instantiating Person.
That might be a bad idea. Some databases ( FrontBase) need this
base table for PK generation.
Seriously? I would consider that a serious flaw. PK generation
should always happen at the abstract level... You're saying that in
FrontBase, you can't have primary keys based in an abstract entity??
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