Re: Memory Management
Re: Memory Management
- Subject: Re: Memory Management
- From: Jeff Schmitz <email@hidden>
- Date: Wed, 04 Mar 2009 08:18:34 -0600
I am actually using ERXBatchFetchUtilities. e.g.
ERXBatchFetchUtilities.batchFetch(pool.entries(), Entry.GAME.append(Game.TEAM_POPUPS));
Is that the same thing, or something different? Is raw row fetching likely to be even faster?
Thanks!
Jeff
On Sunday, March 01, 2009, at 09:55PM, "Lachlan Deck" <email@hidden> wrote:
>On 02/03/2009, at 2:30 PM, Jeff Schmitz wrote:
>
>> Maybe it's not as hard as it sounds? Keep in mind that right now
>> when you say "Load the list of EO's into memory to be processed as
>> raw-rows with the PK in the raw rows." I have NO idea what you're
>> talking about.
>
>When you set the flag on the fetch spec to fetch raw rows the pk keys
>are included in the results. e.g., if your primary key is called 'id'
>then:
>rawResultRow.objectForKey("id") will get your pk value.
>
>You can use the editing context (and EOUtilities) to turn the raw row
>back into a regular eo.
>
>Now .. you might also want to have a look at Wonder's
>ERXFetchSpecificationBatchIterator.
>
>e.g.,
>ERXFetchSpecificationBatchIterator iter = new
>ERXFetchSpecificationBatchIterator(someRegularFetchSpec, ec,
>yourBatchSize);
>while (iter.hasNext()) {
> NSArray stuff = iter.nextBatch();
> // do stuff
> ec.saveChanges();
> iter.setEditingContext(ERXEC.newEditingContext());
>}
>
>with regards,
>--
>
>Lachlan Deck
>
>
>
>
>
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