> In Tiger that was the best means available, but if you're
targeting Leopard
there is a better option available:
Create your fetch request to fetch all instances of a given entity and
execute the fetch with countForFetchRequest:error: which will simply return
the number of instances/rows
On Apr 29, 2008, at 11:18 AM, Adam Swift wrote:
On Apr 29, 2008, at 9:03 AM, Steve Cronin wrote:
My question is: what is the most efficient fetch to pose given that
every fetch is IO.
A given entity might have a lot of records so an array COULD be an
unnecessarily large transaction...
> In Tiger that was the best means available, but if you're targeting Leopard
> there is a better option available:
>
> Create your fetch request to fetch all instances of a given entity and
> execute the fetch with countForFetchRequest:error: which will simply return
> the number of instances/ro
On Apr 29, 2008, at 9:03 AM, Steve Cronin wrote:
Folks;
I want to obtain a count of instances for a specific entity in
stored in Core Data (SQLite)
In the archive I find this:
FROM : mmalcolm crawford
DATE : Sun Apr 02 21:21:45 2006
On Apr 2, 2006, at 11:16 AM, Frederick C
> > My question is: what is the most efficient fetch to pose given that every
> > fetch is IO.
>
> Yes.
Sorry, I thought this was "is this the most efficient" ... Meaning:
mmalc's response of "Execute a fetch for the entity in which you're
interested, and count the returned array." is the m
> Execute a fetch for the entity in which you're interested, and count the
> returned array.
>
>
> My question is: what is the most efficient fetch to pose given that every
> fetch is IO.
Yes.
> A given entity might have a lot of records so an array COULD be an
> unnecessar
Folks;
I want to obtain a count of instances for a specific entity in stored
in Core Data (SQLite)
In the archive I find this:
FROM : mmalcolm crawford
DATE : Sun Apr 02 21:21:45 2006
On Apr 2, 2006, at 11:16 AM, Frederick C. Lee wrote:
> How do you count (or determine empty
