• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: Memory Management
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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
>
>
>
>
>
 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

  • Follow-Ups:
    • Re: Memory Management
      • From: Chuck Hill <email@hidden>
References: 
 >Re: Memory Management (From: Jeff Schmitz <email@hidden>)
 >Re: Memory Management (From: Andrew Lindesay <email@hidden>)
 >Re: Memory Management (From: Jeff Schmitz <email@hidden>)
 >Re: Memory Management (From: Lachlan Deck <email@hidden>)

  • Prev by Date: Re: NSData Character Stream
  • Next by Date: Re: WOInstaller was Linux installation Tutorial broken link
  • Previous by thread: Re: Memory Management
  • Next by thread: Re: Memory Management
  • Index(es):
    • Date
    • Thread