Re: nsarraycontroller, bindings and big databases
Re: nsarraycontroller, bindings and big databases
- Subject: Re: nsarraycontroller, bindings and big databases
- From: Justin Drury <email@hidden>
- Date: Wed, 15 Feb 2006 08:11:53 -0500
You should look at
http://developer.apple.com/documentation/Cocoa/Conceptual/
KeyValueCoding/Concepts/Compliant.html#//apple_ref/doc/uid/20002172
Ensuring KVC Compliance.
-------------------------------------
Specifically you still use an NSArrayControler but use -countOf<Key>
and -objectIn<Key>AtIndex. (Substitute <Key>)
I ran into the same thing and for "testing" purposes, created an
NSDictionary of the current Row from the database and returning it in
my objectInRecordAtIndex method. Although this leaked memory(I
posted about this on this list), and I had to implement a workaround...
Hope that helps
Justin
------------------------------
Message: 18
Date: Wed, 15 Feb 2006 12:40:31 +0100
From: "Joris Mans" <email@hidden>
Subject: Re: nsarraycontroller, bindings and big databases
To: Aur?lien Hugel? <email@hidden>
Cc: Cocoa-dev <email@hidden>
Message-ID: <005501c63224$a540d9e0$email@hidden>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=response
What do you mean by "firing faults"? (I am no expert on core data
because i
cannot use it for reasons cited below).
I think you didnt understand the question completely.
The amount of data in my tables is just too big to load in memory
at once
and I cannot use core data because i am interfacing with a PostgreSQL
database on a server. Just think of the database containing too
much data to
fit in a reasonable amount of memory. How can we handle this
problem with
bindings?
Joris
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