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Re: CoreData - Fast Deletion Of Thousands Of ManagedObjects?
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Re: CoreData - Fast Deletion Of Thousands Of ManagedObjects?


  • Subject: Re: CoreData - Fast Deletion Of Thousands Of ManagedObjects?
  • From: mmalcolm crawford <email@hidden>
  • Date: Tue, 20 Dec 2005 11:38:32 -0800


On Dec 20, 2005, at 11:30 AM, Justin Burns wrote:

SQLite has been entirely too slow for my tastes when trying to import a few tens of thousands of records, so I've switched back to using XML for most of my apps; I can generate a flat file of the 34k or so records in a few seconds, whereas SQLite was going to take an hour or more to import them.

See <http://developer.apple.com/documentation/Cocoa/Conceptual/ CoreData/Articles/cdImporting.html#//apple_ref/doc/uid/TP40003174> and <http://www.cocoabuilder.com/archive/message/cocoa/ 2005/12/20/152920>.

If data importing is taking as long as you state, it is likely that a different pattern would improve things substantially.

mmalc

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References: 
 >CoreData - Fast Deletion Of Thousands Of ManagedObjects? (From: Simon Liu <email@hidden>)
 >Re: CoreData - Fast Deletion Of Thousands Of ManagedObjects? (From: Justin Burns <email@hidden>)

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