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Update an existing Core Data store when the model changes?

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Update an existing Core Data store when the model changes?

Subject: Update an existing Core Data store when the model changes?
From: Daniel Thorpe <email@hidden>
Date: Wed, 4 Feb 2009 22:54:00 +0000

Hello everyone.

I'm currently developing a Core Data based app, which stores the results of some (relatively) computational intensive calculations as object attributes.

While Core Data is great, it really annoys me that I have to trash my current persistent store whenever I make a change to the data model. So, I'm wondering how feasible it would be to write a script that could "update" a store when the model changes. Sort of like the http://rentzsch.com/code/mogenerator_v1.10 script for creating NSManagedObject subclasses?

Anyone got any thoughts on that?

Cheers
Dan
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