Re: Shared CoreData DataModel and DB file..
Re: Shared CoreData DataModel and DB file..
- Subject: Re: Shared CoreData DataModel and DB file..
- From: Robert Monaghan <email@hidden>
- Date: Mon, 28 Dec 2009 10:19:44 -0800
Nice! I suspected as much.
So, I should implement a file lock mechanism, as well, then. I have every reason to believe that people would use the database file over a network filesystem.
bob..
On Dec 28, 2009, at 10:09 AM, Mike Abdullah wrote:
> Yes. If you use the SQLite store, it automatically uses filesystem locking. Indeed, that is how CalendarStore and AddressBook operate under the hood these days I believe.
>
> The major caveat is that the locking doesn't work if the file is accessed from two different filesystems. i.e. a local file which another machine is also trying to access over the network at the same time.
>
> Mike.
>
> On 28 Dec 2009, at 17:50, Robert Monaghan wrote:
>
>> Is it possible to share a DataModel and resulting db file between 2 apps?
>> If so, what sort of pitfalls are present?
>>
>> I want to create an App that creates the DB file, and a plugin for another App, that reads the database file.
>>
>> Thanks!
>>
>> bob..
>>
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