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Re: Core Data: Dual-Inverse Relation Possible in Modeler?

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Re: Core Data: Dual-Inverse Relation Possible in Modeler?

Subject: Re: Core Data: Dual-Inverse Relation Possible in Modeler?
From: Scott Ellsworth <email@hidden>
Date: Fri, 21 Oct 2005 11:28:10 -0700


On Oct 20, 2005, at 11:01 PM, email@hidden wrote:

At 19:17, mmalcolm crawford wrote:
On Oct 20, 2005, at 7:10 PM, email@hidden wrote:
As an example, there are a bunch of fighters, they have a to-many relation called "Enemies,"

You actually have two relationships here, believe it or not, for each person. There is an 'hatesMe' relationship and its inverse 'iHate' relationship. This covers the case where Batman hates Nightman, and Nightman hates TriangleMan, but TriangleMan does not hate Batman.

Scott
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References:  
  >Core Data: Dual-Inverse Relation Possible in Modeler? (From: email@hidden)
  >Re: Core Data: Dual-Inverse Relation Possible in Modeler? (From: mmalcolm crawford <email@hidden>)
  >Re: Core Data: Dual-Inverse Relation Possible in Modeler? (From: email@hidden)




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