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Before I go to write my data to my coredata I call
[self deleteAllObjects:@"MyEntity"];
But this seems to iterate through every single object and delete them which seems abit slow. I was wondering if there is a better / quicker way of doing this.
I have checked out the coredata notes on the developer site.. but thats the only function I can find for deleting entries out of your entity.
Since iterating is expensive, there are quicker ways. You can check these answers that have been discussed on SO before here, here and here.