Re: Wonder PK id in the EOModel
Re: Wonder PK id in the EOModel
- Subject: Re: Wonder PK id in the EOModel
- From: Gustavo Pizano <email@hidden>
- Date: Thu, 20 Mar 2008 18:27:46 -0500
Im changing id to documentID... to make a better name..
On Mar 20, 2008, at 4:52 PM, Mike Schrag wrote:
I c that Wonder gives me an id as Pk, but in the model I have te
follwoing, something similar to what David showed in the screencast
Entity Modeler just has some enhancements when it sees that you are
using Wonder. The automatic "id" column generation is just one of
them. If you have some other primary key, you can delete the
default one, or rename it if you want.
(Using the folloing names just to follow the project statement)
Table : Person
Atributes: document
phone
address
I don't know what "document" is relative to a Person in your model,
but it sounds suspiciously NOT like a primary key of Person. Maybe
that's a FOREIGN key to a document table? Every entity in EOF must
have one (or more) primary keys, and those primary keys must be
_immutable_. "document" sounds neither like a candidate key nor
does it sound immutable, but you'd have to make that call given the
better knowledge of your model.
Yes the document its inmutable, so Iwill put documentID as the PK and
take out the id auto generated, I was wondering if after I need that
documentID for any reason to show in a UI will I be able to get it
easly? my mind map is that i will have to fetch a Person given a
documentID ( which is unique) ..
Gus
ms
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