• 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: Core Data: inverse relationship not updated until next Run Loop
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Core Data: inverse relationship not updated until next Run Loop


  • Subject: Re: Core Data: inverse relationship not updated until next Run Loop
  • From: Frank Illenberger <email@hidden>
  • Date: Fri, 12 Mar 2010 07:26:52 +0100

>> In using Core Data, I was under the impression that if I do this:
>>
>> [department addEmployeesObject:employee]  // department now has 1 employee
>> [moc deleteObject:employee]
>>
>> Then department will end up with no employees, assuming that the inverse
>> relationship is set correctly.
>>
>> But it turns out within the same run loop, if I inspect
>> [department.employees count], then the value is 1. But in the next run loop,
>> the value becomes 0, which is what it should be.
>>
>> Is my observation accurate or is something wrong?
>
> Deletes are propagated at the end of he current event, or at save time, depending how the MOC is configured.

But you can call [moc processPendingChanges] directly after the delete to propagate the changes immediately.

Frank
_______________________________________________

Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

  • Follow-Ups:
    • Re: Core Data: inverse relationship not updated until next Run Loop
      • From: Eric Lin <email@hidden>
References: 
 >Core Data: inverse relationship not updated until next Run Loop (From: Eric Lin <email@hidden>)
 >Re: Core Data: inverse relationship not updated until next Run Loop (From: Jim Correia <email@hidden>)

  • Prev by Date: Re: Better sorting using threads?
  • Next by Date: Re: NSServices - Validation bug
  • Previous by thread: Re: Core Data: inverse relationship not updated until next Run Loop
  • Next by thread: Re: Core Data: inverse relationship not updated until next Run Loop
  • Index(es):
    • Date
    • Thread