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Re: Setting up horizontal inheritance
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Re: Setting up horizontal inheritance


  • Subject: Re: Setting up horizontal inheritance
  • From: Paul Hoadley <email@hidden>
  • Date: Sat, 1 Nov 2008 15:09:35 +1030

After finding "Subclass Entity" in Entity Modeler, and re-making the child entity specifying horizontal inheritance, this question remains:

On 01/11/2008, at 11:19 AM, Paul Hoadley wrote:

2. Practical WebObjects (p. 32) states that horizontal inheritance "puts a complete copy of each entity into a separate table". Does EOF do this for me? That is, if I use _AMPerson.createAMPerson(), does EOF put a row in the 'amperson' table, and a corresponding row in the 'person' table?

I've just used _AMPerson.createAMPerson() to create a new AMPerson. There's a new row in 'amperson', and nothing in 'person'. Have I misunderstood "complete copy" here? That is, should there be a corresponding new row in 'person', or not?



-- Paul.

w  http://logicsquad.net/
h  http://paul.hoadley.name/


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References: 
 >Setting up horizontal inheritance (From: Paul Hoadley <email@hidden>)

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