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re: NSUndoManager f@*#ing up Core Data database

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re: NSUndoManager f@*#ing up Core Data database

Subject: re: NSUndoManager f@*#ing up Core Data database
From: Ben Trumbull <email@hidden>
Date: Wed, 8 Oct 2008 13:23:21 -0700

Ruotger,

This has less to do with the undo manager itself, and more to do with event coalescing. You can set the undo manager for the MOC to nil, but this problem will happen elsewhere later, like -save: or - executeFetchRequest: or when you call -processPendingChanges yourself. This code is following the delete rules in your model for a deleted object to cascade the necessary relationship maintenance throughout the graph.

- Ben

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